From 3e082a910d217b2e7b186077ebf5a1126a68c62f Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Thu, 28 Sep 2006 15:19:20 -0600 Subject: [SCSI] Add ability to scan scsi busses asynchronously Since it often takes around 20-30 seconds to scan a scsi bus, it's highly advantageous to do this in parallel with other things. The bulk of this patch is ensuring that devices don't change numbering, and that all devices are discovered prior to trying to start init. For those who build SCSI as modules, there's a new scsi_wait_scan module that will ensure all bus scans are finished. This patch only handles drivers which call scsi_scan_host. Fibre Channel, SAS, SATA, USB and Firewire all need additional work. Signed-off-by: Matthew Wilcox Signed-off-by: James Bottomley --- drivers/scsi/Makefile | 2 + drivers/scsi/scsi_priv.h | 3 + drivers/scsi/scsi_scan.c | 203 ++++++++++++++++++++++++++++++++++++++++-- drivers/scsi/scsi_wait_scan.c | 31 +++++++ 4 files changed, 233 insertions(+), 6 deletions(-) create mode 100644 drivers/scsi/scsi_wait_scan.c (limited to 'drivers') diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index bcca39c3bcb..a0a77fde370 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -141,6 +141,8 @@ obj-$(CONFIG_CHR_DEV_SCH) += ch.o # This goes last, so that "real" scsi devices probe earlier obj-$(CONFIG_SCSI_DEBUG) += scsi_debug.o +obj-$(CONFIG_SCSI) += scsi_wait_scan.o + scsi_mod-y += scsi.o hosts.o scsi_ioctl.o constants.o \ scsicam.o scsi_error.o scsi_lib.o \ scsi_scan.o scsi_sysfs.o \ diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 5d023d44e5e..f458c2f686d 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -39,6 +39,9 @@ static inline void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) { }; #endif +/* scsi_scan.c */ +int scsi_complete_async_scans(void); + /* scsi_devinfo.c */ extern int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index fd9e281c3bf..148e24cc322 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -29,7 +29,9 @@ #include #include #include -#include +#include +#include +#include #include #include @@ -87,6 +89,11 @@ module_param_named(max_luns, max_scsi_luns, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(max_luns, "last scsi LUN (should be between 1 and 2^32-1)"); +static char scsi_scan_type[6] = "sync"; + +module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO); +MODULE_PARM_DESC(scan, "sync, async or none"); + /* * max_scsi_report_luns: the maximum number of LUNS that will be * returned from the REPORT LUNS command. 8 times this value must @@ -108,6 +115,68 @@ MODULE_PARM_DESC(inq_timeout, "Timeout (in seconds) waiting for devices to answer INQUIRY." " Default is 5. Some non-compliant devices need more."); +static DEFINE_SPINLOCK(async_scan_lock); +static LIST_HEAD(scanning_hosts); + +struct async_scan_data { + struct list_head list; + struct Scsi_Host *shost; + struct completion prev_finished; +}; + +/** + * scsi_complete_async_scans - Wait for asynchronous scans to complete + * + * Asynchronous scans add themselves to the scanning_hosts list. Once + * that list is empty, we know that the scans are complete. Rather than + * waking up periodically to check the state of the list, we pretend to be + * a scanning task by adding ourselves at the end of the list and going to + * sleep. When the task before us wakes us up, we take ourselves off the + * list and return. + */ +int scsi_complete_async_scans(void) +{ + struct async_scan_data *data; + + do { + if (list_empty(&scanning_hosts)) + return 0; + /* If we can't get memory immediately, that's OK. Just + * sleep a little. Even if we never get memory, the async + * scans will finish eventually. + */ + data = kmalloc(sizeof(*data), GFP_KERNEL); + if (!data) + msleep(1); + } while (!data); + + data->shost = NULL; + init_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + /* Check that there's still somebody else on the list */ + if (list_empty(&scanning_hosts)) + goto done; + list_add_tail(&data->list, &scanning_hosts); + spin_unlock(&async_scan_lock); + + printk(KERN_INFO "scsi: waiting for bus probes to complete ...\n"); + wait_for_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + list_del(&data->list); + done: + spin_unlock(&async_scan_lock); + + kfree(data); + return 0; +} + +#ifdef MODULE +/* Only exported for the benefit of scsi_wait_scan */ +EXPORT_SYMBOL_GPL(scsi_complete_async_scans); +#endif + /** * scsi_unlock_floptical - unlock device via a special MODE SENSE command * @sdev: scsi device to send command to @@ -619,7 +688,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, * SCSI_SCAN_LUN_PRESENT: a new scsi_device was allocated and initialized **/ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, - int *bflags) + int *bflags, int async) { /* * XXX do not save the inquiry, since it can change underneath us, @@ -795,7 +864,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, * register it and tell the rest of the kernel * about it. */ - if (scsi_sysfs_add_sdev(sdev) != 0) + if (!async && scsi_sysfs_add_sdev(sdev) != 0) return SCSI_SCAN_NO_RESPONSE; return SCSI_SCAN_LUN_PRESENT; @@ -964,7 +1033,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget, goto out_free_result; } - res = scsi_add_lun(sdev, result, &bflags); + res = scsi_add_lun(sdev, result, &bflags, shost->async_scan); if (res == SCSI_SCAN_LUN_PRESENT) { if (bflags & BLIST_KEY) { sdev->lockable = 0; @@ -1464,6 +1533,9 @@ void scsi_scan_target(struct device *parent, unsigned int channel, { struct Scsi_Host *shost = dev_to_shost(parent); + if (!shost->async_scan) + scsi_complete_async_scans(); + mutex_lock(&shost->scan_mutex); if (scsi_host_scan_allowed(shost)) __scsi_scan_target(parent, channel, id, lun, rescan); @@ -1509,6 +1581,9 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel, "%s: <%u:%u:%u>\n", __FUNCTION__, channel, id, lun)); + if (!shost->async_scan) + scsi_complete_async_scans(); + if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) || ((id != SCAN_WILD_CARD) && (id >= shost->max_id)) || ((lun != SCAN_WILD_CARD) && (lun > shost->max_lun))) @@ -1529,14 +1604,130 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel, return 0; } +static void scsi_sysfs_add_devices(struct Scsi_Host *shost) +{ + struct scsi_device *sdev; + shost_for_each_device(sdev, shost) { + if (scsi_sysfs_add_sdev(sdev) != 0) + scsi_destroy_sdev(sdev); + } +} + +/** + * scsi_prep_async_scan - prepare for an async scan + * @shost: the host which will be scanned + * Returns: a cookie to be passed to scsi_finish_async_scan() + * + * Tells the midlayer this host is going to do an asynchronous scan. + * It reserves the host's position in the scanning list and ensures + * that other asynchronous scans started after this one won't affect the + * ordering of the discovered devices. + */ +struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) +{ + struct async_scan_data *data; + + if (strncmp(scsi_scan_type, "sync", 4) == 0) + return NULL; + + if (shost->async_scan) { + printk("%s called twice for host %d", __FUNCTION__, + shost->host_no); + dump_stack(); + return NULL; + } + + data = kmalloc(sizeof(*data), GFP_KERNEL); + if (!data) + goto err; + data->shost = scsi_host_get(shost); + if (!data->shost) + goto err; + init_completion(&data->prev_finished); + + spin_lock(&async_scan_lock); + shost->async_scan = 1; + if (list_empty(&scanning_hosts)) + complete(&data->prev_finished); + list_add_tail(&data->list, &scanning_hosts); + spin_unlock(&async_scan_lock); + + return data; + + err: + kfree(data); + return NULL; +} + +/** + * scsi_finish_async_scan - asynchronous scan has finished + * @data: cookie returned from earlier call to scsi_prep_async_scan() + * + * All the devices currently attached to this host have been found. + * This function announces all the devices it has found to the rest + * of the system. + */ +void scsi_finish_async_scan(struct async_scan_data *data) +{ + struct Scsi_Host *shost; + + if (!data) + return; + + shost = data->shost; + if (!shost->async_scan) { + printk("%s called twice for host %d", __FUNCTION__, + shost->host_no); + dump_stack(); + return; + } + + wait_for_completion(&data->prev_finished); + + scsi_sysfs_add_devices(shost); + + spin_lock(&async_scan_lock); + shost->async_scan = 0; + list_del(&data->list); + if (!list_empty(&scanning_hosts)) { + struct async_scan_data *next = list_entry(scanning_hosts.next, + struct async_scan_data, list); + complete(&next->prev_finished); + } + spin_unlock(&async_scan_lock); + + scsi_host_put(shost); + kfree(data); +} + +static int do_scan_async(void *_data) +{ + struct async_scan_data *data = _data; + scsi_scan_host_selected(data->shost, SCAN_WILD_CARD, SCAN_WILD_CARD, + SCAN_WILD_CARD, 0); + + scsi_finish_async_scan(data); + return 0; +} + /** * scsi_scan_host - scan the given adapter * @shost: adapter to scan **/ void scsi_scan_host(struct Scsi_Host *shost) { - scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, - SCAN_WILD_CARD, 0); + struct async_scan_data *data; + + if (strncmp(scsi_scan_type, "none", 4) == 0) + return; + + data = scsi_prep_async_scan(shost); + if (!data) { + scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, + SCAN_WILD_CARD, 0); + return; + } + kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no); } EXPORT_SYMBOL(scsi_scan_host); diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c new file mode 100644 index 00000000000..8a636103083 --- /dev/null +++ b/drivers/scsi/scsi_wait_scan.c @@ -0,0 +1,31 @@ +/* + * scsi_wait_scan.c + * + * Copyright (C) 2006 James Bottomley + * + * This is a simple module to wait until all the async scans are + * complete. The idea is to use it in initrd/initramfs scripts. You + * modprobe it after all the modprobes of the root SCSI drivers and it + * will wait until they have all finished scanning their busses before + * allowing the boot to proceed + */ + +#include +#include "scsi_priv.h" + +static int __init wait_scan_init(void) +{ + scsi_complete_async_scans(); + return 0; +} + +static void __exit wait_scan_exit(void) +{ +} + +MODULE_DESCRIPTION("SCSI wait for scans"); +MODULE_AUTHOR("James Bottomley"); +MODULE_LICENSE("GPL"); + +late_initcall(wait_scan_init); +module_exit(wait_scan_exit); -- cgit v1.2.3 From 50dd096973f1d95aa03c6a6d9e148d706b62b68e Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Sun, 1 Oct 2006 00:28:50 +0200 Subject: ACPI: Remove unnecessary from/to-void* and to-void casts in drivers/acpi Signed-off-by: Jan Engelhardt Signed-off-by: Len Brown --- drivers/acpi/ac.c | 6 ++-- drivers/acpi/acpi_memhotplug.c | 2 +- drivers/acpi/asus_acpi.c | 7 ++--- drivers/acpi/battery.c | 22 +++++++------- drivers/acpi/button.c | 8 ++--- drivers/acpi/container.c | 2 +- drivers/acpi/dock.c | 6 ++-- drivers/acpi/ec.c | 12 ++++---- drivers/acpi/fan.c | 6 ++-- drivers/acpi/glue.c | 4 +-- drivers/acpi/hotkey.c | 5 ++-- drivers/acpi/i2c_ec.c | 2 +- drivers/acpi/ibm_acpi.c | 6 ++-- drivers/acpi/numa.c | 2 +- drivers/acpi/osl.c | 4 +-- drivers/acpi/pci_bind.c | 4 +-- drivers/acpi/pci_irq.c | 2 +- drivers/acpi/pci_link.c | 8 ++--- drivers/acpi/pci_root.c | 4 +-- drivers/acpi/power.c | 6 ++-- drivers/acpi/processor_core.c | 10 +++---- drivers/acpi/processor_idle.c | 14 ++++----- drivers/acpi/processor_perflib.c | 10 +++---- drivers/acpi/processor_thermal.c | 6 ++-- drivers/acpi/processor_throttling.c | 6 ++-- drivers/acpi/sbs.c | 24 +++++++-------- drivers/acpi/tables.c | 2 +- drivers/acpi/thermal.c | 30 +++++++++---------- drivers/acpi/utils.c | 4 +-- drivers/acpi/video.c | 59 +++++++++++++++++-------------------- 30 files changed, 138 insertions(+), 145 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 11abc7bf777..46e58663dcb 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -109,7 +109,7 @@ static struct proc_dir_entry *acpi_ac_dir; static int acpi_ac_seq_show(struct seq_file *seq, void *offset) { - struct acpi_ac *ac = (struct acpi_ac *)seq->private; + struct acpi_ac *ac = seq->private; if (!ac) @@ -187,7 +187,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device) static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_ac *ac = (struct acpi_ac *)data; + struct acpi_ac *ac = data; struct acpi_device *device = NULL; @@ -269,7 +269,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - ac = (struct acpi_ac *)acpi_driver_data(device); + ac = acpi_driver_data(device); status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, acpi_ac_notify); diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 98099de59b4..13687835c46 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -427,7 +427,7 @@ static int acpi_memory_device_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - mem_device = (struct acpi_memory_device *)acpi_driver_data(device); + mem_device = acpi_driver_data(device); kfree(mem_device); return 0; diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index e9ee4c52a5f..f7db8ea7ac0 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -1128,7 +1128,7 @@ static int asus_hotk_get_info(void) if (ACPI_FAILURE(status)) printk(KERN_WARNING " Couldn't get the DSDT table header\n"); else - asus_info = (struct acpi_table_header *)dsdt.pointer; + asus_info = dsdt.pointer; /* We have to write 0 on init this far for all ASUS models */ if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { @@ -1150,7 +1150,7 @@ static int asus_hotk_get_info(void) * asus_model_match() and try something completely different. */ if (buffer.pointer) { - model = (union acpi_object *)buffer.pointer; + model = buffer.pointer; switch (model->type) { case ACPI_TYPE_STRING: string = model->string.pointer; @@ -1245,8 +1245,7 @@ static int asus_hotk_add(struct acpi_device *device) printk(KERN_NOTICE "Asus Laptop ACPI Extras version %s\n", ASUS_ACPI_VERSION); - hotk = - (struct asus_hotk *)kmalloc(sizeof(struct asus_hotk), GFP_KERNEL); + hotk = kmalloc(sizeof(struct asus_hotk), GFP_KERNEL); if (!hotk) return -ENOMEM; memset(hotk, 0, sizeof(struct asus_hotk)); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 9810e2a55d0..adb0d272573 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -147,7 +147,7 @@ acpi_battery_get_info(struct acpi_battery *battery, return -ENODEV; } - package = (union acpi_object *)buffer.pointer; + package = buffer.pointer; /* Extract Package Data */ @@ -177,7 +177,7 @@ acpi_battery_get_info(struct acpi_battery *battery, kfree(buffer.pointer); if (!result) - (*bif) = (struct acpi_battery_info *)data.pointer; + (*bif) = data.pointer; return result; } @@ -207,7 +207,7 @@ acpi_battery_get_status(struct acpi_battery *battery, return -ENODEV; } - package = (union acpi_object *)buffer.pointer; + package = buffer.pointer; /* Extract Package Data */ @@ -237,7 +237,7 @@ acpi_battery_get_status(struct acpi_battery *battery, kfree(buffer.pointer); if (!result) - (*bst) = (struct acpi_battery_status *)data.pointer; + (*bst) = data.pointer; return result; } @@ -332,7 +332,7 @@ static struct proc_dir_entry *acpi_battery_dir; static int acpi_battery_read_info(struct seq_file *seq, void *offset) { int result = 0; - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct acpi_battery *battery = seq->private; struct acpi_battery_info *bif = NULL; char *units = "?"; @@ -416,7 +416,7 @@ static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) static int acpi_battery_read_state(struct seq_file *seq, void *offset) { int result = 0; - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct acpi_battery *battery = seq->private; struct acpi_battery_status *bst = NULL; char *units = "?"; @@ -492,7 +492,7 @@ static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) { - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct acpi_battery *battery = seq->private; char *units = "?"; @@ -529,8 +529,8 @@ acpi_battery_write_alarm(struct file *file, { int result = 0; char alarm_string[12] = { '\0' }; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_battery *battery = (struct acpi_battery *)m->private; + struct seq_file *m = file->private_data; + struct acpi_battery *battery = m->private; if (!battery || (count > sizeof(alarm_string) - 1)) @@ -656,7 +656,7 @@ static int acpi_battery_remove_fs(struct acpi_device *device) static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_battery *battery = (struct acpi_battery *)data; + struct acpi_battery *battery = data; struct acpi_device *device = NULL; @@ -740,7 +740,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - battery = (struct acpi_battery *)acpi_driver_data(device); + battery = acpi_driver_data(device); status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 5ef885e82c7..fe914ebc4bb 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -109,7 +109,7 @@ static struct proc_dir_entry *acpi_button_dir; static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_button *button = (struct acpi_button *)seq->private; + struct acpi_button *button = seq->private; if (!button || !button->device) @@ -128,7 +128,7 @@ static int acpi_button_info_open_fs(struct inode *inode, struct file *file) static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) { - struct acpi_button *button = (struct acpi_button *)seq->private; + struct acpi_button *button = seq->private; acpi_status status; unsigned long state; @@ -253,7 +253,7 @@ static int acpi_button_remove_fs(struct acpi_device *device) static void acpi_button_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_button *button = (struct acpi_button *)data; + struct acpi_button *button = data; if (!button || !button->device) @@ -275,7 +275,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) static acpi_status acpi_button_notify_fixed(void *data) { - struct acpi_button *button = (struct acpi_button *)data; + struct acpi_button *button = data; if (!button) diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 871aa520ece..a1538178946 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -117,7 +117,7 @@ static int acpi_container_remove(struct acpi_device *device, int type) acpi_status status = AE_OK; struct acpi_container *pc = NULL; - pc = (struct acpi_container *)acpi_driver_data(device); + pc = acpi_driver_data(device); kfree(pc); return status; } diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 578b99b71d9..3c3dee844df 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -524,7 +524,7 @@ EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device); */ static void dock_notify(acpi_handle handle, u32 event, void *data) { - struct dock_station *ds = (struct dock_station *)data; + struct dock_station *ds = data; switch (event) { case ACPI_NOTIFY_BUS_CHECK: @@ -587,7 +587,7 @@ find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv) { acpi_status status; acpi_handle tmp; - struct dock_station *ds = (struct dock_station *)context; + struct dock_station *ds = context; struct dock_dependent_device *dd; status = acpi_bus_get_ejd(handle, &tmp); @@ -702,7 +702,7 @@ static int dock_remove(void) static acpi_status find_dock(acpi_handle handle, u32 lvl, void *context, void **rv) { - int *count = (int *)context; + int *count = context; acpi_status status = AE_OK; if (is_dock(handle)) { diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index e5d79636285..d560b5e8dd3 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -716,7 +716,7 @@ static void acpi_ec_gpe_poll_query(void *ec_cxt) } static void acpi_ec_gpe_intr_query(void *ec_cxt) { - union acpi_ec *ec = (union acpi_ec *)ec_cxt; + union acpi_ec *ec = ec_cxt; u32 value; int result = -ENODATA; static char object_name[5] = { '_', 'Q', '0', '0', '\0' }; @@ -752,7 +752,7 @@ static u32 acpi_ec_gpe_handler(void *data) static u32 acpi_ec_gpe_poll_handler(void *data) { acpi_status status = AE_OK; - union acpi_ec *ec = (union acpi_ec *)data; + union acpi_ec *ec = data; if (!ec) return ACPI_INTERRUPT_NOT_HANDLED; @@ -770,7 +770,7 @@ static u32 acpi_ec_gpe_intr_handler(void *data) { acpi_status status = AE_OK; u32 value; - union acpi_ec *ec = (union acpi_ec *)data; + union acpi_ec *ec = data; if (!ec) return ACPI_INTERRUPT_NOT_HANDLED; @@ -848,7 +848,7 @@ acpi_ec_space_handler(u32 function, return AE_BAD_PARAMETER; } - ec = (union acpi_ec *)handler_context; + ec = handler_context; next_byte: switch (function) { @@ -905,7 +905,7 @@ static struct proc_dir_entry *acpi_ec_dir; static int acpi_ec_read_info(struct seq_file *seq, void *offset) { - union acpi_ec *ec = (union acpi_ec *)seq->private; + union acpi_ec *ec = seq->private; if (!ec) @@ -1136,7 +1136,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type) static acpi_status acpi_ec_io_ports(struct acpi_resource *resource, void *context) { - union acpi_ec *ec = (union acpi_ec *)context; + union acpi_ec *ec = context; struct acpi_generic_address *addr; if (resource->type != ACPI_RESOURCE_TYPE_IO) { diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 045c89477e5..c413e69fea8 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -99,8 +99,8 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, size_t count, loff_t * ppos) { int result = 0; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_fan *fan = (struct acpi_fan *)m->private; + struct seq_file *m = file->private_data; + struct acpi_fan *fan = m->private; char state_string[12] = { '\0' }; @@ -229,7 +229,7 @@ static int acpi_fan_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - fan = (struct acpi_fan *)acpi_driver_data(device); + fan = acpi_driver_data(device); acpi_fan_remove_fs(device); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 10f160dc75b..ba5686fa475 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -96,7 +96,7 @@ struct acpi_find_pci_root { static acpi_status do_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) { - unsigned long *busnr = (unsigned long *)data; + unsigned long *busnr = data; struct acpi_resource_address64 address; if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 && @@ -217,7 +217,7 @@ do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv) acpi_status status; struct acpi_device_info *info; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - struct acpi_find_child *find = (struct acpi_find_child *)context; + struct acpi_find_child *find = context; status = acpi_get_object_info(handle, &buffer); if (ACPI_SUCCESS(status)) { diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c index 1ba2db67186..8edfb92f7ed 100644 --- a/drivers/acpi/hotkey.c +++ b/drivers/acpi/hotkey.c @@ -265,8 +265,7 @@ static char *format_result(union acpi_object *object) static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) { - struct acpi_polling_hotkey *poll_hotkey = - (struct acpi_polling_hotkey *)seq->private; + struct acpi_polling_hotkey *poll_hotkey = seq->private; char *buf; @@ -577,7 +576,7 @@ init_poll_hotkey_device(union acpi_hotkey *key, char **config_entry, if (ACPI_FAILURE(status)) goto do_fail_zero; key->poll_hotkey.poll_result = - (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); + kmalloc(sizeof(union acpi_object), GFP_KERNEL); if (!key->poll_hotkey.poll_result) goto do_fail_zero; return AE_OK; diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c index 6342e612c20..82e3e64483f 100644 --- a/drivers/acpi/i2c_ec.c +++ b/drivers/acpi/i2c_ec.c @@ -393,7 +393,7 @@ static void __exit acpi_ec_hc_exit(void) struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device) { - return ((struct acpi_ec_hc *)acpi_driver_data(device->parent)); + return acpi_driver_data(device->parent); } EXPORT_SYMBOL(acpi_get_ec_hc); diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 15fc12482ba..6fbb4204889 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1721,7 +1721,7 @@ static struct ibm_struct ibms[] = { static int dispatch_read(char *page, char **start, off_t off, int count, int *eof, void *data) { - struct ibm_struct *ibm = (struct ibm_struct *)data; + struct ibm_struct *ibm = data; int len; if (!ibm || !ibm->read) @@ -1746,7 +1746,7 @@ static int dispatch_read(char *page, char **start, off_t off, int count, static int dispatch_write(struct file *file, const char __user * userbuf, unsigned long count, void *data) { - struct ibm_struct *ibm = (struct ibm_struct *)data; + struct ibm_struct *ibm = data; char *kernbuf; int ret; @@ -1775,7 +1775,7 @@ static int dispatch_write(struct file *file, const char __user * userbuf, static void dispatch_notify(acpi_handle handle, u32 event, void *data) { - struct ibm_struct *ibm = (struct ibm_struct *)data; + struct ibm_struct *ibm = data; if (!ibm || !ibm->notify) return; diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index e5e448edca4..bd96a704592 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -248,7 +248,7 @@ int acpi_get_pxm(acpi_handle h) handle = phandle; status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm); if (ACPI_SUCCESS(status)) - return (int)pxm; + return pxm; status = acpi_get_parent(handle, &phandle); } while (ACPI_SUCCESS(status)); return -1; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 068fe4f100b..2ed2d701f6e 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -569,7 +569,7 @@ static void acpi_os_execute_deferred(void *context) struct acpi_os_dpc *dpc = NULL; - dpc = (struct acpi_os_dpc *)context; + dpc = context; if (!dpc) { printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); return; @@ -1060,7 +1060,7 @@ acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache) acpi_status acpi_os_purge_cache(acpi_cache_t * cache) { - (void)kmem_cache_shrink(cache); + kmem_cache_shrink(cache); return (AE_OK); } diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c index 1e2ae6e7a7e..70b440f3f26 100644 --- a/drivers/acpi/pci_bind.c +++ b/drivers/acpi/pci_bind.c @@ -281,7 +281,7 @@ int acpi_pci_unbind(struct acpi_device *device) if (!device || !device->parent) return -EINVAL; - pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); @@ -332,7 +332,7 @@ acpi_pci_bind_root(struct acpi_device *device, struct acpi_buffer buffer = { 0, NULL }; - pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index feda0341f5a..226892eaf98 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -161,7 +161,7 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus) static int first_time = 1; - pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); + pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 7f3e7e77e79..6718198bfae 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -103,7 +103,7 @@ DEFINE_MUTEX(acpi_link_lock); static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) { - struct acpi_pci_link *link = (struct acpi_pci_link *)context; + struct acpi_pci_link *link = context; u32 i = 0; @@ -613,7 +613,7 @@ acpi_pci_link_allocate_irq(acpi_handle handle, return -1; } - link = (struct acpi_pci_link *)acpi_driver_data(device); + link = acpi_driver_data(device); if (!link) { printk(KERN_ERR PREFIX "Invalid link context\n"); return -1; @@ -668,7 +668,7 @@ int acpi_pci_link_free_irq(acpi_handle handle) return -1; } - link = (struct acpi_pci_link *)acpi_driver_data(device); + link = acpi_driver_data(device); if (!link) { printk(KERN_ERR PREFIX "Invalid link context\n"); return -1; @@ -808,7 +808,7 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - link = (struct acpi_pci_link *)acpi_driver_data(device); + link = acpi_driver_data(device); mutex_lock(&acpi_link_lock); list_del(&link->node); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 0984a1ee24e..03e03741c14 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -119,7 +119,7 @@ EXPORT_SYMBOL(acpi_pci_unregister_driver); static acpi_status get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data) { - int *busnr = (int *)data; + int *busnr = data; struct acpi_resource_address64 address; if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 && @@ -331,7 +331,7 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - root = (struct acpi_pci_root *)acpi_driver_data(device); + root = acpi_driver_data(device); kfree(root); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index fec225d1b6b..e9dab54bd54 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -108,7 +108,7 @@ acpi_power_get_context(acpi_handle handle, return result; } - *resource = (struct acpi_power_resource *)acpi_driver_data(device); + *resource = acpi_driver_data(device); if (!resource) return -ENODEV; @@ -445,7 +445,7 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset) struct acpi_power_resource *resource = NULL; - resource = (struct acpi_power_resource *)seq->private; + resource = seq->private; if (!resource) goto end; @@ -593,7 +593,7 @@ static int acpi_power_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - resource = (struct acpi_power_resource *)acpi_driver_data(device); + resource = acpi_driver_data(device); acpi_power_remove_fs(device); diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index b13d64415b7..44c624bd40c 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -277,7 +277,7 @@ static struct proc_dir_entry *acpi_processor_dir = NULL; static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_processor *pr = (struct acpi_processor *)seq->private; + struct acpi_processor *pr = seq->private; if (!pr) @@ -542,12 +542,12 @@ static int acpi_processor_start(struct acpi_device *device) * Don't trust it blindly */ if (processor_device_array[pr->id] != NULL && - processor_device_array[pr->id] != (void *)device) { + processor_device_array[pr->id] != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id" "for the processor\n"); return -ENODEV; } - processor_device_array[pr->id] = (void *)device; + processor_device_array[pr->id] = device; processors[pr->id] = pr; @@ -578,7 +578,7 @@ static int acpi_processor_start(struct acpi_device *device) static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_processor *pr = (struct acpi_processor *)data; + struct acpi_processor *pr = data; struct acpi_device *device = NULL; @@ -637,7 +637,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - pr = (struct acpi_processor *)acpi_driver_data(device); + pr = acpi_driver_data(device); if (pr->id >= NR_CPUS) { kfree(pr); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 0a395fca843..4504684671f 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -671,7 +671,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) return -ENODEV; } - cst = (union acpi_object *)buffer.pointer; + cst = buffer.pointer; /* There must be at least 2 elements */ if (!cst || (cst->type != ACPI_TYPE_PACKAGE) || cst->package.count < 2) { @@ -700,14 +700,14 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) memset(&cx, 0, sizeof(cx)); - element = (union acpi_object *)&(cst->package.elements[i]); + element = &(cst->package.elements[i]); if (element->type != ACPI_TYPE_PACKAGE) continue; if (element->package.count != 4) continue; - obj = (union acpi_object *)&(element->package.elements[0]); + obj = &(element->package.elements[0]); if (obj->type != ACPI_TYPE_BUFFER) continue; @@ -722,7 +722,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) 0 : reg->address; /* There should be an easy way to extract an integer... */ - obj = (union acpi_object *)&(element->package.elements[1]); + obj = &(element->package.elements[1]); if (obj->type != ACPI_TYPE_INTEGER) continue; @@ -735,13 +735,13 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) if ((cx.type < ACPI_STATE_C2) || (cx.type > ACPI_STATE_C3)) continue; - obj = (union acpi_object *)&(element->package.elements[2]); + obj = &(element->package.elements[2]); if (obj->type != ACPI_TYPE_INTEGER) continue; cx.latency = obj->integer.value; - obj = (union acpi_object *)&(element->package.elements[3]); + obj = &(element->package.elements[3]); if (obj->type != ACPI_TYPE_INTEGER) continue; @@ -1004,7 +1004,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) { - struct acpi_processor *pr = (struct acpi_processor *)seq->private; + struct acpi_processor *pr = seq->private; unsigned int i; diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 7ba5e49ab30..39fdbcc37d4 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -238,7 +238,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) return -ENODEV; } - pss = (union acpi_object *)buffer.pointer; + pss = buffer.pointer; if (!pss || (pss->type != ACPI_TYPE_PACKAGE)) { printk(KERN_ERR PREFIX "Invalid _PSS data\n"); result = -EFAULT; @@ -412,7 +412,7 @@ static struct file_operations acpi_processor_perf_fops = { static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset) { - struct acpi_processor *pr = (struct acpi_processor *)seq->private; + struct acpi_processor *pr = seq->private; int i; @@ -453,8 +453,8 @@ acpi_processor_write_performance(struct file *file, size_t count, loff_t * data) { int result = 0; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_processor *pr = (struct acpi_processor *)m->private; + struct seq_file *m = file->private_data; + struct acpi_processor *pr = m->private; struct acpi_processor_performance *perf; char state_string[12] = { '\0' }; unsigned int new_state = 0; @@ -553,7 +553,7 @@ static int acpi_processor_get_psd(struct acpi_processor *pr) return -ENODEV; } - psd = (union acpi_object *) buffer.pointer; + psd = buffer.pointer; if (!psd || (psd->type != ACPI_TYPE_PACKAGE)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n")); result = -EFAULT; diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index ef5e0f6efdb..40fecd67ad8 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -208,7 +208,7 @@ int acpi_processor_set_thermal_limit(acpi_handle handle, int type) if (result) return result; - pr = (struct acpi_processor *)acpi_driver_data(device); + pr = acpi_driver_data(device); if (!pr) return -ENODEV; @@ -348,8 +348,8 @@ static ssize_t acpi_processor_write_limit(struct file * file, size_t count, loff_t * data) { int result = 0; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_processor *pr = (struct acpi_processor *)m->private; + struct seq_file *m = file->private_data; + struct acpi_processor *pr = m->private; char limit_string[25] = { '\0' }; int px = 0; int tx = 0; diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index d044ec519db..0ec7dcde006 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -259,7 +259,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) static int acpi_processor_throttling_seq_show(struct seq_file *seq, void *offset) { - struct acpi_processor *pr = (struct acpi_processor *)seq->private; + struct acpi_processor *pr = seq->private; int i = 0; int result = 0; @@ -307,8 +307,8 @@ static ssize_t acpi_processor_write_throttling(struct file * file, size_t count, loff_t * data) { int result = 0; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_processor *pr = (struct acpi_processor *)m->private; + struct seq_file *m = file->private_data; + struct acpi_processor *pr = m->private; char state_string[12] = { '\0' }; diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 62bef0b3b61..c6a819adcc9 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -923,7 +923,7 @@ static struct proc_dir_entry *acpi_battery_dir = NULL; static int acpi_battery_read_info(struct seq_file *seq, void *offset) { - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct acpi_battery *battery = seq->private; int cscale; int result = 0; @@ -1076,7 +1076,7 @@ static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) { - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct acpi_battery *battery = seq->private; int result = 0; int cscale; @@ -1125,8 +1125,8 @@ static ssize_t acpi_battery_write_alarm(struct file *file, const char __user * buffer, size_t count, loff_t * ppos) { - struct seq_file *seq = (struct seq_file *)file->private_data; - struct acpi_battery *battery = (struct acpi_battery *)seq->private; + struct seq_file *seq = file->private_data; + struct acpi_battery *battery = seq->private; char alarm_string[12] = { '\0' }; int result, old_alarm, new_alarm; @@ -1160,14 +1160,14 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer, if (result) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_battery_set_alarm() failed\n")); - (void)acpi_battery_set_alarm(battery, old_alarm); + acpi_battery_set_alarm(battery, old_alarm); goto end; } result = acpi_battery_get_alarm(battery); if (result) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_battery_get_alarm() failed\n")); - (void)acpi_battery_set_alarm(battery, old_alarm); + acpi_battery_set_alarm(battery, old_alarm); goto end; } @@ -1217,7 +1217,7 @@ static struct proc_dir_entry *acpi_ac_dir = NULL; static int acpi_ac_read_state(struct seq_file *seq, void *offset) { - struct acpi_sbs *sbs = (struct acpi_sbs *)seq->private; + struct acpi_sbs *sbs = seq->private; int result; if (sbs->zombie) { @@ -1302,7 +1302,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) battery->init_state = 1; } - (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); + sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); result = acpi_sbs_generic_add_fs(&battery->battery_entry, acpi_battery_dir, @@ -1485,7 +1485,7 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type) } if (old_battery_present != new_battery_present) { - (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); + sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); result = acpi_sbs_generate_event(sbs->device, ACPI_SBS_BATTERY_NOTIFY_STATUS, new_battery_present, @@ -1498,7 +1498,7 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type) } } if (old_remaining_capacity != battery->state.remaining_capacity) { - (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); + sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id); result = acpi_sbs_generate_event(sbs->device, ACPI_SBS_BATTERY_NOTIFY_STATUS, new_battery_present, @@ -1659,7 +1659,7 @@ static int acpi_sbs_add(struct acpi_device *device) init_timer(&sbs->update_timer); if (update_mode == QUEUE_UPDATE_MODE) { status = acpi_os_execute(OSL_GPE_HANDLER, - acpi_sbs_update_queue, (void *)sbs); + acpi_sbs_update_queue, sbs); if (status != AE_OK) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_os_execute() failed\n")); @@ -1685,7 +1685,7 @@ static int acpi_sbs_add(struct acpi_device *device) int acpi_sbs_remove(struct acpi_device *device, int type) { - struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device); + struct acpi_sbs *sbs = acpi_driver_data(device); int id; if (!device || !sbs) { diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index bfb3bfcf9e9..ffa30c9fccb 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -228,7 +228,7 @@ void acpi_table_print_madt_entry(acpi_table_entry_header * header) static int acpi_table_compute_checksum(void *table_pointer, unsigned long length) { - u8 *p = (u8 *) table_pointer; + u8 *p = table_pointer; unsigned long remains = length; unsigned long sum = 0; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 5753d06b786..4d75085ca2d 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -663,7 +663,7 @@ static void acpi_thermal_run(unsigned long data) static void acpi_thermal_check(void *data) { int result = 0; - struct acpi_thermal *tz = (struct acpi_thermal *)data; + struct acpi_thermal *tz = data; unsigned long sleep_time = 0; int i = 0; struct acpi_thermal_state state; @@ -778,7 +778,7 @@ static struct proc_dir_entry *acpi_thermal_dir; static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) { - struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; + struct acpi_thermal *tz = seq->private; if (!tz) @@ -813,7 +813,7 @@ static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file) static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) { int result = 0; - struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; + struct acpi_thermal *tz = seq->private; if (!tz) @@ -837,7 +837,7 @@ static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file) static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) { - struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; + struct acpi_thermal *tz = seq->private; int i = 0; int j = 0; @@ -893,8 +893,8 @@ acpi_thermal_write_trip_points(struct file *file, const char __user * buffer, size_t count, loff_t * ppos) { - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_thermal *tz = (struct acpi_thermal *)m->private; + struct seq_file *m = file->private_data; + struct acpi_thermal *tz = m->private; char *limit_string; int num, critical, hot, passive; @@ -953,7 +953,7 @@ acpi_thermal_write_trip_points(struct file *file, static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) { - struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; + struct acpi_thermal *tz = seq->private; if (!tz) @@ -984,8 +984,8 @@ acpi_thermal_write_cooling_mode(struct file *file, const char __user * buffer, size_t count, loff_t * ppos) { - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_thermal *tz = (struct acpi_thermal *)m->private; + struct seq_file *m = file->private_data; + struct acpi_thermal *tz = m->private; int result = 0; char mode_string[12] = { '\0' }; @@ -1014,7 +1014,7 @@ acpi_thermal_write_cooling_mode(struct file *file, static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) { - struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; + struct acpi_thermal *tz = seq->private; if (!tz) @@ -1043,8 +1043,8 @@ acpi_thermal_write_polling(struct file *file, const char __user * buffer, size_t count, loff_t * ppos) { - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_thermal *tz = (struct acpi_thermal *)m->private; + struct seq_file *m = file->private_data; + struct acpi_thermal *tz = m->private; int result = 0; char polling_string[12] = { '\0' }; int seconds = 0; @@ -1170,7 +1170,7 @@ static int acpi_thermal_remove_fs(struct acpi_device *device) static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_thermal *tz = (struct acpi_thermal *)data; + struct acpi_thermal *tz = data; struct acpi_device *device = NULL; @@ -1324,7 +1324,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - tz = (struct acpi_thermal *)acpi_driver_data(device); + tz = acpi_driver_data(device); /* avoid timer adding new defer task */ tz->zombie = 1; @@ -1364,7 +1364,7 @@ static int acpi_thermal_resume(struct acpi_device *device, int state) if (!device || !acpi_driver_data(device)) return -EINVAL; - tz = (struct acpi_thermal *)acpi_driver_data(device); + tz = acpi_driver_data(device); acpi_thermal_get_temperature(tz); diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index d0d84c43a9d..91fed70a65a 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -83,7 +83,7 @@ acpi_extract_package(union acpi_object *package, return AE_BAD_DATA; } - format_string = (char *)format->pointer; + format_string = format->pointer; /* * Calculate size_required. @@ -361,7 +361,7 @@ acpi_evaluate_reference(acpi_handle handle, if (ACPI_FAILURE(status)) goto end; - package = (union acpi_object *)buffer.pointer; + package = buffer.pointer; if ((buffer.length == 0) || !package) { printk(KERN_ERR PREFIX "No return object (len %X ptr %p)\n", diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 56666a98247..53a9eb015d6 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -386,7 +386,7 @@ acpi_video_device_EDID(struct acpi_video_device *device, if (ACPI_FAILURE(status)) return -ENODEV; - obj = (union acpi_object *)buffer.pointer; + obj = buffer.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER) *edid = obj; @@ -654,8 +654,7 @@ static struct proc_dir_entry *acpi_video_dir; static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_device *dev = - (struct acpi_video_device *)seq->private; + struct acpi_video_device *dev = seq->private; if (!dev) @@ -688,8 +687,7 @@ acpi_video_device_info_open_fs(struct inode *inode, struct file *file) static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset) { int status; - struct acpi_video_device *dev = - (struct acpi_video_device *)seq->private; + struct acpi_video_device *dev = seq->private; unsigned long state; @@ -727,8 +725,8 @@ acpi_video_device_write_state(struct file *file, size_t count, loff_t * data) { int status; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_video_device *dev = (struct acpi_video_device *)m->private; + struct seq_file *m = file->private_data; + struct acpi_video_device *dev = m->private; char str[12] = { 0 }; u32 state = 0; @@ -754,8 +752,7 @@ acpi_video_device_write_state(struct file *file, static int acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_device *dev = - (struct acpi_video_device *)seq->private; + struct acpi_video_device *dev = seq->private; int i; @@ -784,8 +781,8 @@ acpi_video_device_write_brightness(struct file *file, const char __user * buffer, size_t count, loff_t * data) { - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_video_device *dev = (struct acpi_video_device *)m->private; + struct seq_file *m = file->private_data; + struct acpi_video_device *dev = m->private; char str[4] = { 0 }; unsigned int level = 0; int i; @@ -817,8 +814,7 @@ acpi_video_device_write_brightness(struct file *file, static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_device *dev = - (struct acpi_video_device *)seq->private; + struct acpi_video_device *dev = seq->private; int status; int i; union acpi_object *edid = NULL; @@ -866,7 +862,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) if (!device) return -ENODEV; - vid_dev = (struct acpi_video_device *)acpi_driver_data(device); + vid_dev = acpi_driver_data(device); if (!vid_dev) return -ENODEV; @@ -931,7 +927,7 @@ static int acpi_video_device_remove_fs(struct acpi_device *device) { struct acpi_video_device *vid_dev; - vid_dev = (struct acpi_video_device *)acpi_driver_data(device); + vid_dev = acpi_driver_data(device); if (!vid_dev || !vid_dev->video || !vid_dev->video->dir) return -ENODEV; @@ -950,7 +946,7 @@ static int acpi_video_device_remove_fs(struct acpi_device *device) /* video bus */ static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; + struct acpi_video_bus *video = seq->private; if (!video) @@ -975,7 +971,7 @@ static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file) static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; + struct acpi_video_bus *video = seq->private; if (!video) @@ -995,7 +991,7 @@ static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file) static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; + struct acpi_video_bus *video = seq->private; unsigned long options; int status; @@ -1033,7 +1029,7 @@ acpi_video_bus_POST_info_open_fs(struct inode *inode, struct file *file) static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; + struct acpi_video_bus *video = seq->private; int status; unsigned long id; @@ -1054,7 +1050,7 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) static int acpi_video_bus_DOS_seq_show(struct seq_file *seq, void *offset) { - struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; + struct acpi_video_bus *video = seq->private; seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting); @@ -1079,8 +1075,8 @@ acpi_video_bus_write_POST(struct file *file, size_t count, loff_t * data) { int status; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_video_bus *video = (struct acpi_video_bus *)m->private; + struct seq_file *m = file->private_data; + struct acpi_video_bus *video = m->private; char str[12] = { 0 }; unsigned long opt, options; @@ -1119,8 +1115,8 @@ acpi_video_bus_write_DOS(struct file *file, size_t count, loff_t * data) { int status; - struct seq_file *m = (struct seq_file *)file->private_data; - struct acpi_video_bus *video = (struct acpi_video_bus *)m->private; + struct seq_file *m = file->private_data; + struct acpi_video_bus *video = m->private; char str[12] = { 0 }; unsigned long opt; @@ -1150,7 +1146,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) struct acpi_video_bus *video; - video = (struct acpi_video_bus *)acpi_driver_data(device); + video = acpi_driver_data(device); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), @@ -1226,7 +1222,7 @@ static int acpi_video_bus_remove_fs(struct acpi_device *device) struct acpi_video_bus *video; - video = (struct acpi_video_bus *)acpi_driver_data(device); + video = acpi_driver_data(device); if (acpi_device_dir(device)) { remove_proc_entry("info", acpi_device_dir(device)); @@ -1403,7 +1399,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) return status; } - dod = (union acpi_object *)buffer.pointer; + dod = buffer.pointer; if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) { ACPI_EXCEPTION((AE_INFO, status, "Invalid _DOD data")); status = -EFAULT; @@ -1426,7 +1422,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) count = 0; for (i = 0; i < dod->package.count; i++) { - obj = (union acpi_object *)&dod->package.elements[i]; + obj = &dod->package.elements[i]; if (obj->type != ACPI_TYPE_INTEGER) { printk(KERN_ERR PREFIX "Invalid _DOD data\n"); @@ -1612,7 +1608,7 @@ static int acpi_video_bus_stop_devices(struct acpi_video_bus *video) static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_video_bus *video = (struct acpi_video_bus *)data; + struct acpi_video_bus *video = data; struct acpi_device *device = NULL; printk("video bus notify\n"); @@ -1654,8 +1650,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_video_device *video_device = - (struct acpi_video_device *)data; + struct acpi_video_device *video_device = data; struct acpi_device *device = NULL; @@ -1757,7 +1752,7 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) if (!device || !acpi_driver_data(device)) return -EINVAL; - video = (struct acpi_video_bus *)acpi_driver_data(device); + video = acpi_driver_data(device); acpi_video_bus_stop_devices(video); -- cgit v1.2.3 From 789fc0adbaf3a3ca95a3894aedacfc01863e8ae3 Mon Sep 17 00:00:00 2001 From: Sven Anders & Marcus Junker Date: Thu, 24 Aug 2006 17:11:50 +0200 Subject: [WATCHDOG] NS pc87413-wdt Watchdog driver New watchdog driver for the NS pc87413-wdt Watchdog Timer. Signed-off-by: Sven Anders Signed-off-by: Marcus Junker Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/Kconfig | 14 + drivers/char/watchdog/Makefile | 1 + drivers/char/watchdog/pc87413_wdt.c | 610 ++++++++++++++++++++++++++++++++++++ 3 files changed, 625 insertions(+) create mode 100644 drivers/char/watchdog/pc87413_wdt.c (limited to 'drivers') diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index 0187b118532..d3e99982b69 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -363,6 +363,20 @@ config SCx200_WDT If compiled as a module, it will be called scx200_wdt. +config PC87413_WDT + tristate "NS PC87413 watchdog" + depends on WATCHDOG && X86 + ---help--- + This is the driver for the hardware watchdog on the PC87413 chipset + This watchdog simply watches your kernel to make sure it doesn't + freeze, and if it does, it reboots your computer after a certain + amount of time. + + To compile this driver as a module, choose M here: the + module will be called pc87413_wdt. + + Most people will say N. + config 60XX_WDT tristate "SBC-60XX Watchdog Timer" depends on WATCHDOG && X86 diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index 36440497047..e6a9f6f1d4b 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -50,6 +50,7 @@ obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o +obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o obj-$(CONFIG_SBC8360_WDT) += sbc8360.o obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o diff --git a/drivers/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c new file mode 100644 index 00000000000..a6d42cf385e --- /dev/null +++ b/drivers/char/watchdog/pc87413_wdt.c @@ -0,0 +1,610 @@ +/* + * NS pc87413-wdt Watchdog Timer driver for Linux 2.6.x.x + * + * This code is based on wdt.c with original copyright + * + * (C) Copyright 2006 Marcus Junker, + * and Sven Anders, + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Neither Marcus Junker, Sven Anders nor ANDURAS AG + * admit liability nor provide warranty for any of this software. + * This material is provided "AS-IS" and at no charge. + * + * Release 1.00. + * + */ + + +/* #define DEBUG 1 */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#define WATCHDOG_NAME "pc87413 WDT" +#define PFX WATCHDOG_NAME ": " +#define DPFX WATCHDOG_NAME " - DEBUG: " + +#define WDT_INDEX_IO_PORT (io+0) /* */ +#define WDT_DATA_IO_PORT (WDT_INDEX_IO_PORT+1) +#define SWC_LDN 0x04 +#define SIOCFG2 0x22 /* Serial IO register */ +#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */ +#define WDTO 0x11 /* Watchdog timeout register */ +#define WDCFG 0x12 /* Watchdog config register */ + +#define WD_TIMEOUT 1 /* minutes (1 ... 255) */ + + +static int pc87413_is_open=0; + +/* + * You must set these - there is no sane way to probe for this board. + * You can use pc87413=x to set these now. + */ + + + +/** + * module_params + * + * Setup options. The board isn't really probe-able so we have to + * get the user to tell us the configuration. + */ + +static int io=0x2E; /* Normally used addres on Portwell Boards */ +module_param(io, int, 0); +MODULE_PARM_DESC(wdt_io, WATCHDOG_NAME " io port (default 0x2E)"); + +static int timeout = WD_TIMEOUT; /* in minutes */ +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes. 1<= timeout <=63, default=" __MODULE_STRING(WD_TIMEOUT) "."); + + +/****************************************** + * Helper functions + ******************************************/ + +static void +pc87413_select_wdt_out (void) +{ + + unsigned int cr_data=0; + + /* Select multiple pin,pin55,as WDT output */ + + outb_p(SIOCFG2, WDT_INDEX_IO_PORT); + + cr_data = inb (WDT_DATA_IO_PORT); + + cr_data |= 0x80; /* Set Bit7 to 1*/ + outb_p(SIOCFG2, WDT_INDEX_IO_PORT); + + outb_p(cr_data, WDT_DATA_IO_PORT); + + + #ifdef DEBUG + printk(KERN_INFO DPFX "Select multiple pin,pin55,as WDT output: Bit7 to 1: %d\n", cr_data); + #endif +} + +static void +pc87413_enable_swc(void) +{ + + unsigned int cr_data=0; + + /* Step 2: Enable SWC functions */ + + outb_p(0x07, WDT_INDEX_IO_PORT); /* Point SWC_LDN (LDN=4) */ + outb_p(SWC_LDN, WDT_DATA_IO_PORT); + + outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */ + cr_data = inb (WDT_DATA_IO_PORT); + cr_data |= 0x01; /* Set Bit0 to 1 */ + outb_p(0x30, WDT_INDEX_IO_PORT); + outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */ + + #ifdef DEBUG + printk(KERN_INFO DPFX "pc87413 - Enable SWC functions\n"); + #endif +} + +static unsigned int +pc87413_get_swc_base(void) +{ + unsigned int swc_base_addr = 0; + unsigned char addr_l, addr_h = 0; + + /* Step 3: Read SWC I/O Base Address */ + + outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */ + addr_h = inb (WDT_DATA_IO_PORT); + + outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */ + + addr_l = inb (WDT_DATA_IO_PORT); + + + swc_base_addr = (addr_h << 8) + addr_l; + + #ifdef DEBUG + printk(KERN_INFO DPFX "Read SWC I/O Base Address: low %d, high %d, res %d\n", addr_l, addr_h, swc_base_addr); + #endif + + return swc_base_addr; +} + +static void +pc87413_swc_bank3(unsigned int swc_base_addr) +{ + /* Step 4: Select Bank3 of SWC */ + + outb_p (inb (swc_base_addr + 0x0f) | 0x03, swc_base_addr + 0x0f); + + #ifdef DEBUG + printk(KERN_INFO DPFX "Select Bank3 of SWC\n"); + #endif + +} + +static void +pc87413_programm_wdto (unsigned int swc_base_addr, char pc87413_time) +{ + /* Step 5: Programm WDTO, Twd. */ + + outb_p (pc87413_time, swc_base_addr + WDTO); + + #ifdef DEBUG + printk(KERN_INFO DPFX "Set WDTO to %d minutes\n", pc87413_time); + #endif +} + +static void +pc87413_enable_wden (unsigned int swc_base_addr) +{ + /* Step 6: Enable WDEN */ + + outb_p(inb (swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL); + + #ifdef DEBUG + printk(KERN_INFO DPFX "Enable WDEN\n"); + #endif +} + +static void +pc87413_enable_sw_wd_tren (unsigned int swc_base_addr) +{ + /* Enable SW_WD_TREN */ + + outb_p(inb (swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG); + + #ifdef DEBUG + printk(KERN_INFO DPFX "Enable SW_WD_TREN\n"); + #endif +} + +static void +pc87413_disable_sw_wd_tren (unsigned int swc_base_addr) +{ + /* Disable SW_WD_TREN */ + + outb_p(inb (swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG); + + #ifdef DEBUG + printk(KERN_INFO DPFX "pc87413 - Disable SW_WD_TREN\n"); + #endif +} + + +static void +pc87413_enable_sw_wd_trg (unsigned int swc_base_addr) +{ + + /* Enable SW_WD_TRG */ + + outb_p(inb (swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL); + + #ifdef DEBUG + printk(KERN_INFO DPFX "pc87413 - Enable SW_WD_TRG\n"); + #endif +} + +static void +pc87413_disable_sw_wd_trg (unsigned int swc_base_addr) +{ + + /* Disable SW_WD_TRG */ + + outb_p(inb (swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL); + + #ifdef DEBUG + printk(KERN_INFO DPFX "Disable SW_WD_TRG\n"); + #endif +} + + + +static void +pc87413_disable(void) +{ + unsigned int swc_base_addr; + + pc87413_select_wdt_out(); + pc87413_enable_swc(); + swc_base_addr = pc87413_get_swc_base(); + pc87413_swc_bank3(swc_base_addr); + pc87413_disable_sw_wd_tren(swc_base_addr); + pc87413_disable_sw_wd_trg(swc_base_addr); + pc87413_programm_wdto(swc_base_addr, 0); +} + + +static void +pc87413_refresh(char pc87413_time) +{ + unsigned int swc_base_addr; + + pc87413_select_wdt_out(); + pc87413_enable_swc(); + swc_base_addr = pc87413_get_swc_base(); + pc87413_swc_bank3(swc_base_addr); + pc87413_disable_sw_wd_tren(swc_base_addr); + pc87413_disable_sw_wd_trg(swc_base_addr); + pc87413_programm_wdto(swc_base_addr, pc87413_time); + pc87413_enable_wden(swc_base_addr); + pc87413_enable_sw_wd_tren(swc_base_addr); + pc87413_enable_sw_wd_trg(swc_base_addr); +} + + +static void +pc87413_enable(char pc87413_time) +{ + unsigned int swc_base_addr; + + pc87413_select_wdt_out(); + pc87413_enable_swc(); + swc_base_addr = pc87413_get_swc_base(); + pc87413_swc_bank3(swc_base_addr); + pc87413_programm_wdto(swc_base_addr, pc87413_time); + pc87413_enable_wden(swc_base_addr); + pc87413_enable_sw_wd_tren(swc_base_addr); + pc87413_enable_sw_wd_trg(swc_base_addr); + +} + + +/******************************************* + * Kernel methods. + *******************************************/ + + +/** + * pc87413_status: + * + * Extract the status information from a WDT watchdog device. There are + * several board variants so we have to know which bits are valid. Some + * bits default to one and some to zero in order to be maximally painful. + * + * we then map the bits onto the status ioctl flags. + */ + +static int pc87413_status(void) +{ + /* Not supported */ + + return 1; +} + +static long long pc87413_llseek(struct file *file, long long offset, int origin) +{ + return -ESPIPE; +} + +/** + * pc87413_write: + * @file: file handle to the watchdog + * @buf: buffer to write (unused as data does not matter here + * @count: count of bytes + * @ppos: pointer to the position to write. No seeks allowed + * + * A write to a watchdog device is defined as a keepalive signal. Any + * write of data will do, as we we don't define content meaning. + */ + +static ssize_t +pc87413_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos) +{ + if (count) { + pc87413_refresh (WD_TIMEOUT); + #ifdef DEBUG + printk(KERN_INFO DPFX "Write\n"); + #endif + } + return count; +} + +/* + * Read reports the temperature in degrees Fahrenheit. + */ +static ssize_t +pc87413_read(struct file *file, char *buf, size_t count, loff_t *ptr) +{ + +// char timeout; +// +// outb_p(0x08, WDT_EFER); /* Select locical device 8 */ +// outb_p(0x0F6, WDT_EFER); /* Select CRF6 */ +// timeout = inb(WDT_EFDR); /* Read Timeout counter from CRF6 */ + + +// if(copy_to_user(buf,&timeout,1)) +// return -EFAULT; + return 1; + + +} + + /** + * pc87413_ioctl: + * @inode: inode of the device + * @file: file handle to the device + * @cmd: watchdog command + * @arg: argument pointer + * + * The watchdog API defines a common set of functions for all watchdogs + * according to their available features. We only actually usefully support + * querying capabilities and current status. + */ + +static int +pc87413_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg) +{ + static struct watchdog_info ident= + { + .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE, + .firmware_version = 1, + .identity = "pc87413(HF/F)" + }; + + ident.options=1; /* Mask down to the card we have */ + + switch(cmd) + { + default: + return -ENOIOCTLCMD; + case WDIOC_GETSUPPORT: + return copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))?-EFAULT:0; + case WDIOC_GETSTATUS: + return put_user(pc87413_status(),(int *)arg); + case WDIOC_GETBOOTSTATUS: + return put_user(0, (int *)arg); + case WDIOC_KEEPALIVE: + pc87413_refresh(WD_TIMEOUT); + #ifdef DEBUG + printk(KERN_INFO DPFX "keepalive\n"); + #endif + return 0; + } +} + +/** + * pc87413_open: + * @inode: inode of device + * @file: file handle to device + * + * One of our two misc devices has been opened. The watchdog device is + * single open and on opening we load the counters. Counter zero is a + * 100Hz cascade, into counter 1 which downcounts to reboot. When the + * counter triggers counter 2 downcounts the length of the reset pulse + * which set set to be as long as possible. + */ + +static int +pc87413_open(struct inode *inode, struct file *file) +{ + switch(MINOR(inode->i_rdev)) + { + case WATCHDOG_MINOR: + if(pc87413_is_open) + return -EBUSY; + /* + * Activate + */ + + pc87413_is_open=1; + pc87413_refresh(WD_TIMEOUT); + #ifdef DEBUG + printk(KERN_INFO DPFX "Open\n"); + #endif + return 0; + case TEMP_MINOR: + return 0; + default: + return -ENODEV; + } +} + +/** + * pc87413_close: + * @inode: inode to board + * @file: file handle to board + * + * The watchdog has a configurable API. There is a religious dispute + * between people who want their watchdog to be able to shut down and + * those who want to be sure if the watchdog manager dies the machine + * reboots. In the former case we disable the counters, in the latter + * case you have to open it again very soon. + */ + +static int +pc87413_release(struct inode *inode, struct file *file) +{ + if(MINOR(inode->i_rdev)==WATCHDOG_MINOR) + { +#ifndef CONFIG_WATCHDOG_NOWAYOUT + pc87413_disable(); +#endif + pc87413_is_open=0; + #ifdef DEBUG + printk(KERN_INFO DPFX "Release\n"); + #endif + } + return 0; +} + +/** + * notify_sys: + * @this: our notifier block + * @code: the event being reported + * @unused: unused + * + * Our notifier is called on system shutdowns. We want to turn the card + * off at reboot otherwise the machine will reboot again during memory + * test or worse yet during the following fsck. This would suck, in fact + * trust me - if it happens it does suck. + */ + +static int +pc87413_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + if(code==SYS_DOWN || code==SYS_HALT) + { + /* Turn the card off */ + pc87413_disable(); + } + return NOTIFY_DONE; +} + + +/***************************************************** + * Kernel Interfaces + *****************************************************/ + + +static struct file_operations pc87413_fops = { + .owner = THIS_MODULE, + .llseek = pc87413_llseek, + .read = pc87413_read, + .write = pc87413_write, + .ioctl = pc87413_ioctl, + .open = pc87413_open, + .release = pc87413_release, +}; + +static struct miscdevice pc87413_miscdev= +{ + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &pc87413_fops +}; + +/* + * The WDT card needs to learn about soft shutdowns in order to + * turn the timebomb registers off. + */ + +static struct notifier_block pc87413_notifier= +{ + pc87413_notify_sys, + NULL, + 0 +}; + + +/** + * pc87413_exit: + * + * Unload the watchdog. You cannot do this with any file handles open. + * If your watchdog is set to continue ticking on close and you unload + * it, well it keeps ticking. We won't get the interrupt but the board + * will not touch PC memory so all is fine. You just have to load a new + * module in 60 seconds or reboot. + */ + +static void +pc87413_exit(void) +{ + pc87413_disable(); + misc_deregister(&pc87413_miscdev); + unregister_reboot_notifier(&pc87413_notifier); + /* release_region(io,2); */ +} + + +/** + * pc87413_init: + * + * Set up the WDT watchdog board. All we have to do is grab the + * resources we require and bitch if anyone beat us to them. + * The open() function will actually kick the board off. + */ + +static int +pc87413_init(void) +{ + int ret; + + printk(KERN_INFO PFX "Version 1.00 at io 0x%X\n", WDT_INDEX_IO_PORT); + + + /* request_region(io, 2, "pc87413"); */ + + + ret = register_reboot_notifier(&pc87413_notifier); + if (ret != 0) { + printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", + ret); + } + + + + ret = misc_register(&pc87413_miscdev); + + if (ret != 0) { + printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", + WATCHDOG_MINOR, ret); + unregister_reboot_notifier(&pc87413_notifier); + return ret; + } + + printk (KERN_INFO PFX "initialized. timeout=%d min \n", timeout); + + + pc87413_enable(WD_TIMEOUT); + + return 0; +} + + +module_init(pc87413_init); +module_exit(pc87413_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Marcus Junker , Sven Anders "); +MODULE_DESCRIPTION("PC87413 WDT driver"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); + -- cgit v1.2.3 From dfde5d62ed9b28b0bda676c16e8cb635df244ef2 Mon Sep 17 00:00:00 2001 From: Venkatesh Pallipadi Date: Tue, 3 Oct 2006 12:38:45 -0700 Subject: [CPUFREQ][8/8] acpi-cpufreq: Add support for freq feedback from hardware MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable ondemand governor and acpi-cpufreq to use IA32_APERF and IA32_MPERF MSR to get active frequency feedback for the last sampling interval. This will make ondemand take right frequency decisions when hardware coordination of frequency is going on. Without APERF/MPERF, ondemand can take wrong decision at times due to underlying hardware coordination or TM2. Example: * CPU 0 and CPU 1 are hardware cooridnated. * CPU 1 running at highest frequency. * CPU 0 was running at highest freq. Now ondemand reduces it to some intermediate frequency based on utilization. * Due to underlying hardware coordination with other CPU 1, CPU 0 continues to run at highest frequency (as long as other CPU is at highest). * When ondemand samples CPU 0 again next time, without actual frequency feedback from APERF/MPERF, it will think that previous frequency change was successful and can go to wrong target frequency. This is because it thinks that utilization it has got this sampling interval is when running at intermediate frequency, rather than actual highest frequency. More information about IA32_APERF IA32_MPERF MSR: Refer to IA-32 Intel® Architecture Software Developer's Manual at http://developer.intel.com Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq.c | 20 ++++++++++++++++++++ drivers/cpufreq/cpufreq_ondemand.c | 9 ++++++++- 2 files changed, 28 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 86e69b7f912..56c433e64d5 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1274,6 +1274,26 @@ int cpufreq_driver_target(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_driver_target); +int cpufreq_driver_getavg(struct cpufreq_policy *policy) +{ + int ret = 0; + + policy = cpufreq_cpu_get(policy->cpu); + if (!policy) + return -EINVAL; + + mutex_lock(&policy->lock); + + if (cpu_online(policy->cpu) && cpufreq_driver->getavg) + ret = cpufreq_driver->getavg(policy->cpu); + + mutex_unlock(&policy->lock); + + cpufreq_cpu_put(policy); + return ret; +} +EXPORT_SYMBOL_GPL(cpufreq_driver_getavg); + /* * Locking: Must be called with the lock_cpu_hotplug() lock held * when "event" is CPUFREQ_GOV_LIMITS diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index bf8aa45d4f0..291cfe9400a 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -393,8 +393,15 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * policy. To be safe, we focus 10 points under the threshold. */ if (load < (dbs_tuners_ins.up_threshold - 10)) { - unsigned int freq_next = (policy->cur * load) / + unsigned int freq_next, freq_cur; + + freq_cur = cpufreq_driver_getavg(policy); + if (!freq_cur) + freq_cur = policy->cur; + + freq_next = (freq_cur * load) / (dbs_tuners_ins.up_threshold - 10); + if (!dbs_tuners_ins.powersave_bias) { __cpufreq_driver_target(policy, freq_next, CPUFREQ_RELATION_L); -- cgit v1.2.3 From 965a3d447276491b7ed053b25679c062beb04194 Mon Sep 17 00:00:00 2001 From: Martin Bligh Date: Fri, 20 Oct 2006 14:30:26 -0700 Subject: ACPI: avoid gcc warnings in ACPI mutex debug code 32bit vs 64 bit issues. sizeof(sizeof) and sizeof(pointer) is variable, but we're trying to print it as unsigned int or u32. Casts to unsigned long are used because type acpi_thread_id can be any one of typedef u64 acpi_native_uint; typedef u32 acpi_native_uint; typedef u16 acpi_native_uint; #define acpi_thread_id struct task_struct * Signed-off-by: Martin J. Bligh Acked-by: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/executer/exmutex.c | 6 +++--- drivers/acpi/utilities/utdebug.c | 5 +++-- drivers/acpi/utilities/utmutex.c | 16 +++++++++------- 3 files changed, 15 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index 3a39c2e8e10..bf90f04f2c6 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -266,10 +266,10 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, walk_state->thread->thread_id) && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) { ACPI_ERROR((AE_INFO, - "Thread %X cannot release Mutex [%4.4s] acquired by thread %X", - (u32) walk_state->thread->thread_id, + "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", + (unsigned long)walk_state->thread->thread_id, acpi_ut_get_node_name(obj_desc->mutex.node), - (u32) obj_desc->mutex.owner_thread->thread_id)); + (unsigned long)obj_desc->mutex.owner_thread->thread_id)); return_ACPI_STATUS(AE_AML_NOT_OWNER); } diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index bb1eaf9aa65..9e9054e155c 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -180,8 +180,9 @@ acpi_ut_debug_print(u32 requested_debug_level, if (thread_id != acpi_gbl_prev_thread_id) { if (ACPI_LV_THREADS & acpi_dbg_level) { acpi_os_printf - ("\n**** Context Switch from TID %X to TID %X ****\n\n", - (u32) acpi_gbl_prev_thread_id, (u32) thread_id); + ("\n**** Context Switch from TID %lX to TID %lX ****\n\n", + (unsigned long) acpi_gbl_prev_thread_id, + (unsigned long) thread_id); } acpi_gbl_prev_thread_id = thread_id; diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index c39062a047c..180e73ceb6e 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -243,23 +243,24 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) #endif ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X attempting to acquire Mutex [%s]\n", - (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); + "Thread %lX attempting to acquire Mutex [%s]\n", + (unsigned long) this_thread_id, + acpi_ut_get_mutex_name(mutex_id))); status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X acquired Mutex [%s]\n", - (u32) this_thread_id, + "Thread %lX acquired Mutex [%s]\n", + (unsigned long) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); acpi_gbl_mutex_info[mutex_id].use_count++; acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id; } else { ACPI_EXCEPTION((AE_INFO, status, - "Thread %X could not acquire Mutex [%X]", - (u32) this_thread_id, mutex_id)); + "Thread %lX could not acquire Mutex [%X]", + (unsigned long) this_thread_id, mutex_id)); } return (status); @@ -285,7 +286,8 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) this_thread_id = acpi_os_get_thread_id(); ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X releasing Mutex [%s]\n", (u32) this_thread_id, + "Thread %lX releasing Mutex [%s]\n", + (unsigned long) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { -- cgit v1.2.3 From 914f7c31b0bea0ccf3bf474d0b99d803f7985097 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Fri, 20 Oct 2006 14:31:00 -0700 Subject: [CPUFREQ] handle sysfs errors Signed-off-by: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_conservative.c | 10 +++++++++- drivers/cpufreq/cpufreq_ondemand.c | 12 +++++++++++- drivers/cpufreq/cpufreq_userspace.c | 11 +++++++++-- 3 files changed, 29 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index c4c578defab..8fe13ec1e50 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -453,6 +453,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int cpu = policy->cpu; struct cpu_dbs_info_s *this_dbs_info; unsigned int j; + int rc; this_dbs_info = &per_cpu(cpu_dbs_info, cpu); @@ -469,6 +470,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, break; mutex_lock(&dbs_mutex); + + rc = sysfs_create_group(&policy->kobj, &dbs_attr_group); + if (rc) { + mutex_unlock(&dbs_mutex); + return rc; + } + for_each_cpu_mask(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; j_dbs_info = &per_cpu(cpu_dbs_info, j); @@ -481,7 +489,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, this_dbs_info->enable = 1; this_dbs_info->down_skip = 0; this_dbs_info->requested_freq = policy->cur; - sysfs_create_group(&policy->kobj, &dbs_attr_group); + dbs_enable++; /* * Start the timerschedule work, when this governor diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 291cfe9400a..cbde076b571 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -473,6 +473,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int cpu = policy->cpu; struct cpu_dbs_info_s *this_dbs_info; unsigned int j; + int rc; this_dbs_info = &per_cpu(cpu_dbs_info, cpu); @@ -501,6 +502,16 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return -ENOSPC; } } + + rc = sysfs_create_group(&policy->kobj, &dbs_attr_group); + if (rc) { + if (dbs_enable == 1) + destroy_workqueue(kondemand_wq); + dbs_enable--; + mutex_unlock(&dbs_mutex); + return rc; + } + for_each_cpu_mask(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; j_dbs_info = &per_cpu(cpu_dbs_info, j); @@ -510,7 +521,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, j_dbs_info->prev_cpu_wall = get_jiffies_64(); } this_dbs_info->enable = 1; - sysfs_create_group(&policy->kobj, &dbs_attr_group); /* * Start the timerschedule work, when this governor * is used for first time diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index a06c204589c..2a4eb0bfaf3 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -131,19 +131,26 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy, unsigned int event) { unsigned int cpu = policy->cpu; + int rc = 0; + switch (event) { case CPUFREQ_GOV_START: if (!cpu_online(cpu)) return -EINVAL; BUG_ON(!policy->cur); mutex_lock(&userspace_mutex); + rc = sysfs_create_file (&policy->kobj, + &freq_attr_scaling_setspeed.attr); + if (rc) + goto start_out; + cpu_is_managed[cpu] = 1; cpu_min_freq[cpu] = policy->min; cpu_max_freq[cpu] = policy->max; cpu_cur_freq[cpu] = policy->cur; cpu_set_freq[cpu] = policy->cur; - sysfs_create_file (&policy->kobj, &freq_attr_scaling_setspeed.attr); dprintk("managing cpu %u started (%u - %u kHz, currently %u kHz)\n", cpu, cpu_min_freq[cpu], cpu_max_freq[cpu], cpu_cur_freq[cpu]); +start_out: mutex_unlock(&userspace_mutex); break; case CPUFREQ_GOV_STOP: @@ -180,7 +187,7 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy, mutex_unlock(&userspace_mutex); break; } - return 0; + return rc; } -- cgit v1.2.3 From 8acb025085aa88c41063bfa0f2c3b4d0a3f2ef11 Mon Sep 17 00:00:00 2001 From: Holger Macht Date: Fri, 20 Oct 2006 14:30:28 -0700 Subject: ACPI: ibm_acpi: Add support for the generic backlight device Add support for the generic backlight interface below /sys/class/backlight. The patch keeps the procfs brightness handling for backward compatibility. Add two generic functions brightness_get and brightness_set to be used both by the procfs related and the sysfs related methods. [apw@shadowen.org: backlight users need to select BACKLIGHT_CLASS_DEVICE] Signed-off-by: Holger Macht Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/Kconfig | 1 + drivers/acpi/ibm_acpi.c | 75 ++++++++++++++++++++++++++++++++++++++++--------- 2 files changed, 62 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 0f9d4be7ed7..bc58a3b18e0 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -200,6 +200,7 @@ config ACPI_ASUS config ACPI_IBM tristate "IBM ThinkPad Laptop Extras" depends on X86 + select BACKLIGHT_CLASS_DEVICE ---help--- This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds support for Fn-Fx key combinations, Bluetooth control, video diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 003a9876c96..cd8722e4157 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -78,6 +78,7 @@ #include #include #include +#include #include #include @@ -243,6 +244,8 @@ struct ibm_struct { static struct proc_dir_entry *proc_dir = NULL; +static struct backlight_device *ibm_backlight_device; + #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) @@ -1381,12 +1384,22 @@ static int ecdump_write(char *buf) static int brightness_offset = 0x31; +static int brightness_get(struct backlight_device *bd) +{ + u8 level; + if (!acpi_ec_read(brightness_offset, &level)) + return -EIO; + + level &= 0x7; + return level; +} + static int brightness_read(char *p) { int len = 0; - u8 level; + int level; - if (!acpi_ec_read(brightness_offset, &level)) { + if ((level = brightness_get(NULL)) < 0) { len += sprintf(p + len, "level:\t\tunreadable\n"); } else { len += sprintf(p + len, "level:\t\t%d\n", level & 0x7); @@ -1401,16 +1414,34 @@ static int brightness_read(char *p) #define BRIGHTNESS_UP 4 #define BRIGHTNESS_DOWN 5 -static int brightness_write(char *buf) +static int brightness_set(int value) { int cmos_cmd, inc, i; - u8 level; + int current_value = brightness_get(NULL); + + value &= 7; + + cmos_cmd = value > current_value ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; + inc = value > current_value ? 1 : -1; + for (i = current_value; i != value; i += inc) { + if (!cmos_eval(cmos_cmd)) + return -EIO; + if (!acpi_ec_write(brightness_offset, i + inc)) + return -EIO; + } + + return 0; +} + +static int brightness_write(char *buf) +{ + int level; int new_level; char *cmd; while ((cmd = next_cmd(&buf))) { - if (!acpi_ec_read(brightness_offset, &level)) - return -EIO; + if ((level = brightness_get(NULL)) < 0) + return level; level &= 7; if (strlencmp(cmd, "up") == 0) { @@ -1423,19 +1454,17 @@ static int brightness_write(char *buf) } else return -EINVAL; - cmos_cmd = new_level > level ? BRIGHTNESS_UP : BRIGHTNESS_DOWN; - inc = new_level > level ? 1 : -1; - for (i = level; i != new_level; i += inc) { - if (!cmos_eval(cmos_cmd)) - return -EIO; - if (!acpi_ec_write(brightness_offset, i + inc)) - return -EIO; - } + brightness_set(new_level); } return 0; } +static int brightness_update_status(struct backlight_device *bd) +{ + return brightness_set(bd->props->brightness); +} + static int volume_offset = 0x30; static int volume_read(char *p) @@ -1963,10 +1992,20 @@ IBM_PARAM(brightness); IBM_PARAM(volume); IBM_PARAM(fan); +static struct backlight_properties ibm_backlight_data = { + .owner = THIS_MODULE, + .get_brightness = brightness_get, + .update_status = brightness_update_status, + .max_brightness = 7, +}; + static void acpi_ibm_exit(void) { int i; + if (ibm_backlight_device) + backlight_device_unregister(ibm_backlight_device); + for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) ibm_exit(&ibms[i]); @@ -2034,6 +2073,14 @@ static int __init acpi_ibm_init(void) } } + ibm_backlight_device = backlight_device_register("ibm", NULL, + &ibm_backlight_data); + if (IS_ERR(ibm_backlight_device)) { + printk(IBM_ERR "Could not register ibm backlight device\n"); + ibm_backlight_device = NULL; + acpi_ibm_exit(); + } + return 0; } -- cgit v1.2.3 From 2039a6eb72d4b5d0dd71de5c4dff5db129848c44 Mon Sep 17 00:00:00 2001 From: Holger Macht Date: Fri, 20 Oct 2006 14:30:29 -0700 Subject: ACPI: asus_acpi: Add support for the generic backlight device Add support for the generic backlight interface below /sys/class/backlight. Keep the procfs brightness handling for backward compatibility. [apw@shadowen.org: backlight users need to select BACKLIGHT_CLASS_DEVICE] Signed-off-by: Holger Macht Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/Kconfig | 1 + drivers/acpi/asus_acpi.c | 62 +++++++++++++++++++++++++++++++++++------------- 2 files changed, 47 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index bc58a3b18e0..9b64c4e6c63 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -172,6 +172,7 @@ config ACPI_NUMA config ACPI_ASUS tristate "ASUS/Medion Laptop Extras" depends on X86 + select BACKLIGHT_CLASS_DEVICE ---help--- This driver provides support for extra features of ACPI-compatible ASUS laptops. As some of Medion laptops are made by ASUS, it may also diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index c7ac9297a20..bf7bc25e680 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include #include @@ -402,6 +403,8 @@ static struct model_data model_conf[END_MODEL] = { /* procdir we use */ static struct proc_dir_entry *asus_proc_dir; +static struct backlight_device *asus_backlight_device; + /* * This header is made available to allow proper configuration given model, * revision number , ... this info cannot go in struct asus_hotk because it is @@ -779,7 +782,7 @@ proc_write_lcd(struct file *file, const char __user * buffer, return rv; } -static int read_brightness(void) +static int read_brightness(struct backlight_device *bd) { int value; @@ -801,9 +804,10 @@ static int read_brightness(void) /* * Change the brightness level */ -static void set_brightness(int value) +static int set_brightness(int value) { acpi_status status = 0; + int ret = 0; /* SPLV laptop */ if (hotk->methods->brightness_set) { @@ -811,11 +815,12 @@ static void set_brightness(int value) value, NULL)) printk(KERN_WARNING "Asus ACPI: Error changing brightness\n"); - return; + ret = -EIO; + goto out; } /* No SPLV method if we are here, act as appropriate */ - value -= read_brightness(); + value -= read_brightness(NULL); while (value != 0) { status = acpi_evaluate_object(NULL, (value > 0) ? hotk->methods->brightness_up : @@ -825,15 +830,22 @@ static void set_brightness(int value) if (ACPI_FAILURE(status)) printk(KERN_WARNING "Asus ACPI: Error changing brightness\n"); + ret = -EIO; } - return; +out: + return ret; +} + +static int set_brightness_status(struct backlight_device *bd) +{ + return set_brightness(bd->props->brightness); } static int proc_read_brn(char *page, char **start, off_t off, int count, int *eof, void *data) { - return sprintf(page, "%d\n", read_brightness()); + return sprintf(page, "%d\n", read_brightness(NULL)); } static int @@ -1333,6 +1345,26 @@ static int asus_hotk_remove(struct acpi_device *device, int type) return 0; } +static struct backlight_properties asus_backlight_data = { + .owner = THIS_MODULE, + .get_brightness = read_brightness, + .update_status = set_brightness_status, + .max_brightness = 15, +}; + +static void __exit asus_acpi_exit(void) +{ + if (asus_backlight_device) + backlight_device_unregister(asus_backlight_device); + + acpi_bus_unregister_driver(&asus_hotk_driver); + remove_proc_entry(PROC_ASUS, acpi_root_dir); + + kfree(asus_info); + + return; +} + static int __init asus_acpi_init(void) { int result; @@ -1370,17 +1402,15 @@ static int __init asus_acpi_init(void) return result; } - return 0; -} - -static void __exit asus_acpi_exit(void) -{ - acpi_bus_unregister_driver(&asus_hotk_driver); - remove_proc_entry(PROC_ASUS, acpi_root_dir); - - kfree(asus_info); + asus_backlight_device = backlight_device_register("asus", NULL, + &asus_backlight_data); + if (IS_ERR(asus_backlight_device)) { + printk(KERN_ERR "Could not register asus backlight device\n"); + asus_backlight_device = NULL; + asus_acpi_exit(); + } - return; + return 0; } module_init(asus_acpi_init); -- cgit v1.2.3 From c92635572489b810d03acdf03f61bf6dd1af5433 Mon Sep 17 00:00:00 2001 From: Holger Macht Date: Fri, 20 Oct 2006 14:30:29 -0700 Subject: ACPI: toshiba_acpi: Add support for the generic backlight device Add support for the generic backlight interface below /sys/class/backlight. Keep the procfs brightness handling for backward compatibility. To achive this, add two generic functions get_lcd and set_lcd to be used both by the procfs related and the sysfs related methods. [apw@shadowen.org: backlight users need to select BACKLIGHT_CLASS_DEVICE] Signed-off-by: Holger Macht Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/Kconfig | 1 + drivers/acpi/toshiba_acpi.c | 88 +++++++++++++++++++++++++++++++++------------ 2 files changed, 66 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 9b64c4e6c63..59f9def2172 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -227,6 +227,7 @@ config ACPI_IBM_DOCK config ACPI_TOSHIBA tristate "Toshiba Laptop Extras" depends on X86 + select BACKLIGHT_CLASS_DEVICE ---help--- This driver adds support for access to certain system settings on "legacy free" Toshiba laptops. These laptops can be recognized by diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index 7fe0b7ae973..2f35f891593 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -41,6 +41,8 @@ #include #include #include +#include + #include #include @@ -210,6 +212,7 @@ static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result) } static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ; +static struct backlight_device *toshiba_backlight_device; static int force_fan; static int last_key_event; static int key_event_valid; @@ -271,14 +274,23 @@ dispatch_write(struct file *file, const char __user * buffer, return result; } -static char *read_lcd(char *p) +static int get_lcd(struct backlight_device *bd) { u32 hci_result; u32 value; hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result); if (hci_result == HCI_SUCCESS) { - value = value >> HCI_LCD_BRIGHTNESS_SHIFT; + return (value >> HCI_LCD_BRIGHTNESS_SHIFT); + } else + return -EFAULT; +} + +static char *read_lcd(char *p) +{ + int value = get_lcd(NULL); + + if (value >= 0) { p += sprintf(p, "brightness: %d\n", value); p += sprintf(p, "brightness_levels: %d\n", HCI_LCD_BRIGHTNESS_LEVELS); @@ -289,22 +301,34 @@ static char *read_lcd(char *p) return p; } +static int set_lcd(int value) +{ + u32 hci_result; + + value = value << HCI_LCD_BRIGHTNESS_SHIFT; + hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result); + if (hci_result != HCI_SUCCESS) + return -EFAULT; + + return 0; +} + +static int set_lcd_status(struct backlight_device *bd) +{ + return set_lcd(bd->props->brightness); +} + static unsigned long write_lcd(const char *buffer, unsigned long count) { int value; - u32 hci_result; + int ret = count; if (sscanf(buffer, " brightness : %i", &value) == 1 && - value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) { - value = value << HCI_LCD_BRIGHTNESS_SHIFT; - hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result); - if (hci_result != HCI_SUCCESS) - return -EFAULT; - } else { - return -EINVAL; - } - - return count; + value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) + ret = set_lcd(value); + else + ret = -EINVAL; + return ret; } static char *read_video(char *p) @@ -506,6 +530,26 @@ static acpi_status __exit remove_device(void) return AE_OK; } +static struct backlight_properties toshiba_backlight_data = { + .owner = THIS_MODULE, + .get_brightness = get_lcd, + .update_status = set_lcd_status, + .max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1, +}; + +static void __exit toshiba_acpi_exit(void) +{ + if (toshiba_backlight_device) + backlight_device_unregister(toshiba_backlight_device); + + remove_device(); + + if (toshiba_proc_dir) + remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); + + return; +} + static int __init toshiba_acpi_init(void) { acpi_status status = AE_OK; @@ -546,17 +590,15 @@ static int __init toshiba_acpi_init(void) remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); } - return (ACPI_SUCCESS(status)) ? 0 : -ENODEV; -} - -static void __exit toshiba_acpi_exit(void) -{ - remove_device(); - - if (toshiba_proc_dir) - remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); + toshiba_backlight_device = backlight_device_register("toshiba", NULL, + &toshiba_backlight_data); + if (IS_ERR(toshiba_backlight_device)) { + printk(KERN_ERR "Could not register toshiba backlight device\n"); + toshiba_backlight_device = NULL; + toshiba_acpi_exit(); + } - return; + return (ACPI_SUCCESS(status)) ? 0 : -ENODEV; } module_init(toshiba_acpi_init); -- cgit v1.2.3 From 00b3b3e6605d7446cd410c7c9bb98f5336a15ca1 Mon Sep 17 00:00:00 2001 From: Sven Anders & Marcus Junker Date: Mon, 16 Oct 2006 18:18:09 +0200 Subject: [WATCHDOG] NS pc87413-wdt Watchdog driver v1.1 Change the driver for proper spin_locking, remove the TEMP_MINOR stuff, make sure the device works as a Virtual File System that is non_seekable, ... Signed-off-by: Sven Anders Signed-off-by: Marcus Junker Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/pc87413_wdt.c | 634 +++++++++++++++++++----------------- 1 file changed, 330 insertions(+), 304 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c index a6d42cf385e..4d5612146cd 100644 --- a/drivers/char/watchdog/pc87413_wdt.c +++ b/drivers/char/watchdog/pc87413_wdt.c @@ -1,27 +1,23 @@ /* * NS pc87413-wdt Watchdog Timer driver for Linux 2.6.x.x * - * This code is based on wdt.c with original copyright + * This code is based on wdt.c with original copyright. * - * (C) Copyright 2006 Marcus Junker, - * and Sven Anders, + * (C) Copyright 2006 Sven Anders, + * and Marcus Junker, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * Neither Marcus Junker, Sven Anders nor ANDURAS AG + * Neither Sven Anders, Marcus Junker nor ANDURAS AG * admit liability nor provide warranty for any of this software. * This material is provided "AS-IS" and at no charge. * - * Release 1.00. - * + * Release 1.1 */ - -/* #define DEBUG 1 */ - #include #include #include @@ -41,57 +37,44 @@ #include #include -#define WATCHDOG_NAME "pc87413 WDT" -#define PFX WATCHDOG_NAME ": " -#define DPFX WATCHDOG_NAME " - DEBUG: " - -#define WDT_INDEX_IO_PORT (io+0) /* */ -#define WDT_DATA_IO_PORT (WDT_INDEX_IO_PORT+1) -#define SWC_LDN 0x04 -#define SIOCFG2 0x22 /* Serial IO register */ -#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */ -#define WDTO 0x11 /* Watchdog timeout register */ -#define WDCFG 0x12 /* Watchdog config register */ - -#define WD_TIMEOUT 1 /* minutes (1 ... 255) */ +/* #define DEBUG 1 */ +#define DEFAULT_TIMEOUT 1 /* 1 minute */ +#define MAX_TIMEOUT 255 -static int pc87413_is_open=0; +#define VERSION "1.1" +#define MODNAME "pc87413 WDT" +#define PFX MODNAME ": " +#define DPFX MODNAME " - DEBUG: " -/* - * You must set these - there is no sane way to probe for this board. - * You can use pc87413=x to set these now. - */ +#define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */ +#define WDT_DATA_IO_PORT (WDT_INDEX_IO_PORT+1) +#define SWC_LDN 0x04 +#define SIOCFG2 0x22 /* Serial IO register */ +#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */ +#define WDTO 0x11 /* Watchdog timeout register */ +#define WDCFG 0x12 /* Watchdog config register */ +static int io = 0x2E; /* Address used on Portwell Boards */ +static int timeout = DEFAULT_TIMEOUT; /* timeout value */ +static unsigned long timer_enabled = 0; /* is the timer enabled? */ -/** - * module_params - * - * Setup options. The board isn't really probe-able so we have to - * get the user to tell us the configuration. - */ +static char expect_close; /* is the close expected? */ -static int io=0x2E; /* Normally used addres on Portwell Boards */ -module_param(io, int, 0); -MODULE_PARM_DESC(wdt_io, WATCHDOG_NAME " io port (default 0x2E)"); +static spinlock_t io_lock; /* to guard the watchdog from io races */ -static int timeout = WD_TIMEOUT; /* in minutes */ -module_param(timeout, int, 0); -MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes. 1<= timeout <=63, default=" __MODULE_STRING(WD_TIMEOUT) "."); +static int nowayout = WATCHDOG_NOWAYOUT; +/* -- Low level function ----------------------------------------*/ -/****************************************** - * Helper functions - ******************************************/ +/* Select pins for Watchdog output */ -static void -pc87413_select_wdt_out (void) +static inline void pc87413_select_wdt_out (void) { + unsigned int cr_data = 0; - unsigned int cr_data=0; - - /* Select multiple pin,pin55,as WDT output */ + /* Step 1: Select multiple pin,pin55,as WDT output */ outb_p(SIOCFG2, WDT_INDEX_IO_PORT); @@ -102,17 +85,17 @@ pc87413_select_wdt_out (void) outb_p(cr_data, WDT_DATA_IO_PORT); - - #ifdef DEBUG - printk(KERN_INFO DPFX "Select multiple pin,pin55,as WDT output: Bit7 to 1: %d\n", cr_data); - #endif +#ifdef DEBUG + printk(KERN_INFO DPFX "Select multiple pin,pin55,as WDT output:" + " Bit7 to 1: %d\n", cr_data); +#endif } -static void -pc87413_enable_swc(void) -{ +/* Enable SWC functions */ - unsigned int cr_data=0; +static inline void pc87413_enable_swc(void) +{ + unsigned int cr_data=0; /* Step 2: Enable SWC functions */ @@ -120,150 +103,162 @@ pc87413_enable_swc(void) outb_p(SWC_LDN, WDT_DATA_IO_PORT); outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */ - cr_data = inb (WDT_DATA_IO_PORT); + cr_data = inb(WDT_DATA_IO_PORT); cr_data |= 0x01; /* Set Bit0 to 1 */ outb_p(0x30, WDT_INDEX_IO_PORT); outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */ - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "pc87413 - Enable SWC functions\n"); - #endif +#endif } -static unsigned int -pc87413_get_swc_base(void) +/* Read SWC I/O base address */ + +static inline unsigned int pc87413_get_swc_base(void) { - unsigned int swc_base_addr = 0; - unsigned char addr_l, addr_h = 0; + unsigned int swc_base_addr = 0; + unsigned char addr_l, addr_h = 0; /* Step 3: Read SWC I/O Base Address */ outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */ - addr_h = inb (WDT_DATA_IO_PORT); + addr_h = inb(WDT_DATA_IO_PORT); outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */ - addr_l = inb (WDT_DATA_IO_PORT); - + addr_l = inb(WDT_DATA_IO_PORT); swc_base_addr = (addr_h << 8) + addr_l; - #ifdef DEBUG - printk(KERN_INFO DPFX "Read SWC I/O Base Address: low %d, high %d, res %d\n", addr_l, addr_h, swc_base_addr); - #endif +#ifdef DEBUG + printk(KERN_INFO DPFX "Read SWC I/O Base Address: low %d, high %d," + " res %d\n", addr_l, addr_h, swc_base_addr); +#endif return swc_base_addr; } -static void -pc87413_swc_bank3(unsigned int swc_base_addr) +/* Select Bank 3 of SWC */ + +static inline void pc87413_swc_bank3(unsigned int swc_base_addr) { /* Step 4: Select Bank3 of SWC */ - outb_p (inb (swc_base_addr + 0x0f) | 0x03, swc_base_addr + 0x0f); + outb_p(inb(swc_base_addr + 0x0f) | 0x03, swc_base_addr + 0x0f); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "Select Bank3 of SWC\n"); - #endif - +#endif } -static void -pc87413_programm_wdto (unsigned int swc_base_addr, char pc87413_time) +/* Set watchdog timeout to x minutes */ + +static inline void pc87413_programm_wdto(unsigned int swc_base_addr, + char pc87413_time) { /* Step 5: Programm WDTO, Twd. */ - outb_p (pc87413_time, swc_base_addr + WDTO); + outb_p(pc87413_time, swc_base_addr + WDTO); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "Set WDTO to %d minutes\n", pc87413_time); - #endif +#endif } -static void -pc87413_enable_wden (unsigned int swc_base_addr) +/* Enable WDEN */ + +static inline void pc87413_enable_wden(unsigned int swc_base_addr) { /* Step 6: Enable WDEN */ outb_p(inb (swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "Enable WDEN\n"); - #endif +#endif } -static void -pc87413_enable_sw_wd_tren (unsigned int swc_base_addr) +/* Enable SW_WD_TREN */ +static inline void pc87413_enable_sw_wd_tren(unsigned int swc_base_addr) { /* Enable SW_WD_TREN */ outb_p(inb (swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "Enable SW_WD_TREN\n"); - #endif +#endif } -static void -pc87413_disable_sw_wd_tren (unsigned int swc_base_addr) +/* Disable SW_WD_TREN */ + +static inline void pc87413_disable_sw_wd_tren(unsigned int swc_base_addr) { /* Disable SW_WD_TREN */ outb_p(inb (swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "pc87413 - Disable SW_WD_TREN\n"); - #endif +#endif } +/* Enable SW_WD_TRG */ -static void -pc87413_enable_sw_wd_trg (unsigned int swc_base_addr) +static inline void pc87413_enable_sw_wd_trg(unsigned int swc_base_addr) { - /* Enable SW_WD_TRG */ outb_p(inb (swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "pc87413 - Enable SW_WD_TRG\n"); - #endif +#endif } -static void -pc87413_disable_sw_wd_trg (unsigned int swc_base_addr) -{ +/* Disable SW_WD_TRG */ +static inline void pc87413_disable_sw_wd_trg(unsigned int swc_base_addr) +{ /* Disable SW_WD_TRG */ outb_p(inb (swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL); - #ifdef DEBUG +#ifdef DEBUG printk(KERN_INFO DPFX "Disable SW_WD_TRG\n"); - #endif +#endif } +/* -- Higher level functions ------------------------------------*/ +/* Enable the watchdog */ -static void -pc87413_disable(void) +static void pc87413_enable(void) { - unsigned int swc_base_addr; + unsigned int swc_base_addr; + + spin_lock(&io_lock); pc87413_select_wdt_out(); pc87413_enable_swc(); swc_base_addr = pc87413_get_swc_base(); pc87413_swc_bank3(swc_base_addr); - pc87413_disable_sw_wd_tren(swc_base_addr); - pc87413_disable_sw_wd_trg(swc_base_addr); - pc87413_programm_wdto(swc_base_addr, 0); + pc87413_programm_wdto(swc_base_addr, timeout); + pc87413_enable_wden(swc_base_addr); + pc87413_enable_sw_wd_tren(swc_base_addr); + pc87413_enable_sw_wd_trg(swc_base_addr); + + spin_unlock(&io_lock); } +/* Disable the watchdog */ -static void -pc87413_refresh(char pc87413_time) +static void pc87413_disable(void) { - unsigned int swc_base_addr; + unsigned int swc_base_addr; + + spin_lock(&io_lock); pc87413_select_wdt_out(); pc87413_enable_swc(); @@ -271,102 +266,144 @@ pc87413_refresh(char pc87413_time) pc87413_swc_bank3(swc_base_addr); pc87413_disable_sw_wd_tren(swc_base_addr); pc87413_disable_sw_wd_trg(swc_base_addr); - pc87413_programm_wdto(swc_base_addr, pc87413_time); - pc87413_enable_wden(swc_base_addr); - pc87413_enable_sw_wd_tren(swc_base_addr); - pc87413_enable_sw_wd_trg(swc_base_addr); + pc87413_programm_wdto(swc_base_addr, 0); + + spin_unlock(&io_lock); } +/* Refresh the watchdog */ -static void -pc87413_enable(char pc87413_time) +static void pc87413_refresh(void) { - unsigned int swc_base_addr; + unsigned int swc_base_addr; + + spin_lock(&io_lock); pc87413_select_wdt_out(); pc87413_enable_swc(); swc_base_addr = pc87413_get_swc_base(); pc87413_swc_bank3(swc_base_addr); - pc87413_programm_wdto(swc_base_addr, pc87413_time); + pc87413_disable_sw_wd_tren(swc_base_addr); + pc87413_disable_sw_wd_trg(swc_base_addr); + pc87413_programm_wdto(swc_base_addr, timeout); pc87413_enable_wden(swc_base_addr); pc87413_enable_sw_wd_tren(swc_base_addr); pc87413_enable_sw_wd_trg(swc_base_addr); + spin_unlock(&io_lock); } +/* -- File operations -------------------------------------------*/ + +/** + * pc87413_open: + * @inode: inode of device + * @file: file handle to device + * + */ + +static int pc87413_open(struct inode *inode, struct file *file) +{ + /* /dev/watchdog can only be opened once */ + + if (test_and_set_bit(0, &timer_enabled)) + return -EBUSY; + + if (nowayout) + __module_get(THIS_MODULE); -/******************************************* - * Kernel methods. - *******************************************/ + /* Reload and activate timer */ + pc87413_refresh(); + printk(KERN_INFO MODNAME "Watchdog enabled. Timeout set to" + " %d minute(s).\n", timeout); + + return nonseekable_open(inode, file); +} /** - * pc87413_status: - * - * Extract the status information from a WDT watchdog device. There are - * several board variants so we have to know which bits are valid. Some - * bits default to one and some to zero in order to be maximally painful. + * pc87413_release: + * @inode: inode to board + * @file: file handle to board * - * we then map the bits onto the status ioctl flags. + * The watchdog has a configurable API. There is a religious dispute + * between people who want their watchdog to be able to shut down and + * those who want to be sure if the watchdog manager dies the machine + * reboots. In the former case we disable the counters, in the latter + * case you have to open it again very soon. */ -static int pc87413_status(void) +static int pc87413_release(struct inode *inode, struct file *file) { - /* Not supported */ + /* Shut off the timer. */ + + if (expect_close == 42) { + pc87413_disable(); + printk(KERN_INFO MODNAME "Watchdog disabled," + " sleeping again...\n"); + } else { + printk(KERN_CRIT MODNAME "Unexpected close, not stopping" + " watchdog!\n"); + pc87413_refresh(); + } + + clear_bit(0, &timer_enabled); + expect_close = 0; - return 1; + return 0; } -static long long pc87413_llseek(struct file *file, long long offset, int origin) +/** + * pc87413_status: + * + * return, if the watchdog is enabled (timeout is set...) + */ + + +static int pc87413_status(void) { - return -ESPIPE; + return 1; /* currently not supported */ } /** * pc87413_write: * @file: file handle to the watchdog - * @buf: buffer to write (unused as data does not matter here - * @count: count of bytes + * @data: data buffer to write + * @len: length in bytes * @ppos: pointer to the position to write. No seeks allowed * * A write to a watchdog device is defined as a keepalive signal. Any * write of data will do, as we we don't define content meaning. */ -static ssize_t -pc87413_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos) +static ssize_t pc87413_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) { - if (count) { - pc87413_refresh (WD_TIMEOUT); - #ifdef DEBUG - printk(KERN_INFO DPFX "Write\n"); - #endif + /* See if we got the magic character 'V' and reload the timer */ + if (len) { + if (!nowayout) { + size_t i; + + /* reset expect flag */ + expect_close = 0; + + /* scan to see whether or not we got the magic character */ + for (i = 0; i != len; i++) { + char c; + if (get_user(c, data+i)) + return -EFAULT; + if (c == 'V') + expect_close = 42; + } + } + + /* someone wrote to us, we should reload the timer */ + pc87413_refresh(); } - return count; -} - -/* - * Read reports the temperature in degrees Fahrenheit. - */ -static ssize_t -pc87413_read(struct file *file, char *buf, size_t count, loff_t *ptr) -{ - -// char timeout; -// -// outb_p(0x08, WDT_EFER); /* Select locical device 8 */ -// outb_p(0x0F6, WDT_EFER); /* Select CRF6 */ -// timeout = inb(WDT_EFDR); /* Read Timeout counter from CRF6 */ - - -// if(copy_to_user(buf,&timeout,1)) -// return -EFAULT; - return 1; - - + return len; } - /** +/** * pc87413_ioctl: * @inode: inode of the device * @file: file handle to the device @@ -378,103 +415,92 @@ pc87413_read(struct file *file, char *buf, size_t count, loff_t *ptr) * querying capabilities and current status. */ -static int -pc87413_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static int pc87413_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) { - static struct watchdog_info ident= - { - .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE, - .firmware_version = 1, - .identity = "pc87413(HF/F)" + int new_timeout; + + union { + struct watchdog_info __user *ident; + int __user *i; + } uarg; + + static struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING | + WDIOF_SETTIMEOUT | + WDIOF_MAGICCLOSE, + .firmware_version = 1, + .identity = "PC87413(HF/F) watchdog" }; - ident.options=1; /* Mask down to the card we have */ + uarg.i = (int __user *)arg; - switch(cmd) - { + switch(cmd) { default: - return -ENOIOCTLCMD; + return -ENOTTY; + case WDIOC_GETSUPPORT: - return copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))?-EFAULT:0; + return copy_to_user(uarg.ident, &ident, + sizeof(ident)) ? -EFAULT : 0; + case WDIOC_GETSTATUS: - return put_user(pc87413_status(),(int *)arg); + return put_user(pc87413_status(), uarg.i); + case WDIOC_GETBOOTSTATUS: - return put_user(0, (int *)arg); + return put_user(0, uarg.i); + case WDIOC_KEEPALIVE: - pc87413_refresh(WD_TIMEOUT); - #ifdef DEBUG - printk(KERN_INFO DPFX "keepalive\n"); - #endif + pc87413_refresh(); +#ifdef DEBUG + printk(KERN_INFO DPFX "keepalive\n"); +#endif return 0; - } -} -/** - * pc87413_open: - * @inode: inode of device - * @file: file handle to device - * - * One of our two misc devices has been opened. The watchdog device is - * single open and on opening we load the counters. Counter zero is a - * 100Hz cascade, into counter 1 which downcounts to reboot. When the - * counter triggers counter 2 downcounts the length of the reset pulse - * which set set to be as long as possible. - */ + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, uarg.i)) + return -EFAULT; -static int -pc87413_open(struct inode *inode, struct file *file) -{ - switch(MINOR(inode->i_rdev)) - { - case WATCHDOG_MINOR: - if(pc87413_is_open) - return -EBUSY; - /* - * Activate - */ - - pc87413_is_open=1; - pc87413_refresh(WD_TIMEOUT); - #ifdef DEBUG - printk(KERN_INFO DPFX "Open\n"); - #endif - return 0; - case TEMP_MINOR: - return 0; - default: - return -ENODEV; - } -} + // the API states this is given in secs + new_timeout /= 60; -/** - * pc87413_close: - * @inode: inode to board - * @file: file handle to board - * - * The watchdog has a configurable API. There is a religious dispute - * between people who want their watchdog to be able to shut down and - * those who want to be sure if the watchdog manager dies the machine - * reboots. In the former case we disable the counters, in the latter - * case you have to open it again very soon. - */ + if (new_timeout < 0 || new_timeout > MAX_TIMEOUT) + return -EINVAL; -static int -pc87413_release(struct inode *inode, struct file *file) -{ - if(MINOR(inode->i_rdev)==WATCHDOG_MINOR) - { -#ifndef CONFIG_WATCHDOG_NOWAYOUT - pc87413_disable(); -#endif - pc87413_is_open=0; - #ifdef DEBUG - printk(KERN_INFO DPFX "Release\n"); - #endif + timeout = new_timeout; + pc87413_refresh(); + + // fall through and return the new timeout... + + case WDIOC_GETTIMEOUT: + + new_timeout = timeout * 60; + + return put_user(new_timeout, uarg.i); + + case WDIOC_SETOPTIONS: + { + int options, retval = -EINVAL; + + if (get_user(options, uarg.i)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) { + pc87413_disable(); + retval = 0; + } + + if (options & WDIOS_ENABLECARD) { + pc87413_enable(); + retval = 0; + } + + return retval; + } } - return 0; } +/* -- Notifier funtions -----------------------------------------*/ + /** * notify_sys: * @this: our notifier block @@ -487,11 +513,11 @@ pc87413_release(struct inode *inode, struct file *file) * trust me - if it happens it does suck. */ -static int -pc87413_notify_sys(struct notifier_block *this, unsigned long code, - void *unused) +static int pc87413_notify_sys(struct notifier_block *this, + unsigned long code, + void *unused) { - if(code==SYS_DOWN || code==SYS_HALT) + if (code == SYS_DOWN || code == SYS_HALT) { /* Turn the card off */ pc87413_disable(); @@ -499,112 +525,112 @@ pc87413_notify_sys(struct notifier_block *this, unsigned long code, return NOTIFY_DONE; } - -/***************************************************** - * Kernel Interfaces - *****************************************************/ - +/* -- Module's structures ---------------------------------------*/ static struct file_operations pc87413_fops = { .owner = THIS_MODULE, - .llseek = pc87413_llseek, - .read = pc87413_read, + .llseek = no_llseek, .write = pc87413_write, .ioctl = pc87413_ioctl, .open = pc87413_open, .release = pc87413_release, }; -static struct miscdevice pc87413_miscdev= +static struct notifier_block pc87413_notifier = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &pc87413_fops + .notifier_call = pc87413_notify_sys, }; -/* - * The WDT card needs to learn about soft shutdowns in order to - * turn the timebomb registers off. - */ - -static struct notifier_block pc87413_notifier= +static struct miscdevice pc87413_miscdev= { - pc87413_notify_sys, - NULL, - 0 + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &pc87413_fops }; +/* -- Module init functions -------------------------------------*/ /** - * pc87413_exit: - * - * Unload the watchdog. You cannot do this with any file handles open. - * If your watchdog is set to continue ticking on close and you unload - * it, well it keeps ticking. We won't get the interrupt but the board - * will not touch PC memory so all is fine. You just have to load a new - * module in 60 seconds or reboot. - */ - -static void -pc87413_exit(void) -{ - pc87413_disable(); - misc_deregister(&pc87413_miscdev); - unregister_reboot_notifier(&pc87413_notifier); - /* release_region(io,2); */ -} - - -/** - * pc87413_init: + * pc87413_init: module's "constructor" * * Set up the WDT watchdog board. All we have to do is grab the * resources we require and bitch if anyone beat us to them. * The open() function will actually kick the board off. */ -static int -pc87413_init(void) +static int __init pc87413_init(void) { int ret; - printk(KERN_INFO PFX "Version 1.00 at io 0x%X\n", WDT_INDEX_IO_PORT); + spin_lock_init(&io_lock); + printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n", WDT_INDEX_IO_PORT); /* request_region(io, 2, "pc87413"); */ - ret = register_reboot_notifier(&pc87413_notifier); if (ret != 0) { - printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", - ret); + printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", + ret); } - - ret = misc_register(&pc87413_miscdev); if (ret != 0) { - printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", - WATCHDOG_MINOR, ret); + printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", + WATCHDOG_MINOR, ret); unregister_reboot_notifier(&pc87413_notifier); return ret; } - printk (KERN_INFO PFX "initialized. timeout=%d min \n", timeout); + printk(KERN_INFO PFX "initialized. timeout=%d min \n", timeout); - - pc87413_enable(WD_TIMEOUT); + pc87413_enable(); return 0; } +/** + * pc87413_exit: module's "destructor" + * + * Unload the watchdog. You cannot do this with any file handles open. + * If your watchdog is set to continue ticking on close and you unload + * it, well it keeps ticking. We won't get the interrupt but the board + * will not touch PC memory so all is fine. You just have to load a new + * module in 60 seconds or reboot. + */ + +static void __exit pc87413_exit(void) +{ + /* Stop the timer before we leave */ + if (!nowayout) + { + pc87413_disable(); + printk(KERN_INFO MODNAME "Watchdog disabled.\n"); + } + + misc_deregister(&pc87413_miscdev); + unregister_reboot_notifier(&pc87413_notifier); + /* release_region(io,2); */ + + printk(MODNAME " watchdog component driver removed.\n"); +} module_init(pc87413_init); module_exit(pc87413_exit); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Marcus Junker , Sven Anders "); +MODULE_AUTHOR("Sven Anders , Marcus Junker ,"); MODULE_DESCRIPTION("PC87413 WDT driver"); +MODULE_LICENSE("GPL"); + MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); +module_param(io, int, 0); +MODULE_PARM_DESC(wdt_io, MODNAME " I/O port (default: " __MODULE_STRING(io) ")."); + +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes (default=" __MODULE_STRING(timeout) ")."); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"); + -- cgit v1.2.3 From 0835caa2bf1933d5f41fd98e469107f4c00d547f Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Mon, 23 Oct 2006 18:21:52 +0200 Subject: [WATCHDOG] NS pc87413-wdt Watchdog driver - fixes Some small fixes: * the status should return 0 and not 1 (1 means: * wdt_io is not a module-param, io is. Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/pc87413_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c index 4d5612146cd..bd7727ba1ad 100644 --- a/drivers/char/watchdog/pc87413_wdt.c +++ b/drivers/char/watchdog/pc87413_wdt.c @@ -362,7 +362,7 @@ static int pc87413_release(struct inode *inode, struct file *file) static int pc87413_status(void) { - return 1; /* currently not supported */ + return 0; /* currently not supported */ } /** @@ -626,7 +626,7 @@ MODULE_LICENSE("GPL"); MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); module_param(io, int, 0); -MODULE_PARM_DESC(wdt_io, MODNAME " I/O port (default: " __MODULE_STRING(io) ")."); +MODULE_PARM_DESC(io, MODNAME " I/O port (default: " __MODULE_STRING(io) ")."); module_param(timeout, int, 0); MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes (default=" __MODULE_STRING(timeout) ")."); -- cgit v1.2.3 From 616362de2fe224512fe105aec08f19f5470afb01 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 27 Oct 2006 01:47:34 -0400 Subject: ACPI: make ec_transaction not extern Fix sparse warning: drivers/acpi/ec.c:372:12: warning: function 'ec_transaction' with external linkage has definition Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Len Brown --- drivers/acpi/ec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index e6d4b084dca..7aa600794ae 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -369,7 +369,7 @@ int ec_write(u8 addr, u8 val) EXPORT_SYMBOL(ec_write); -extern int ec_transaction(u8 command, +int ec_transaction(u8 command, const u8 *wdata, unsigned wdata_len, u8 *rdata, unsigned rdata_len) { -- cgit v1.2.3 From 2f000f5c153e984d5c166e42a9d38113de8693b3 Mon Sep 17 00:00:00 2001 From: "Chen, Justin" Date: Tue, 10 Oct 2006 17:07:00 -0400 Subject: ACPI: optimize pci_rootbridge search acpi_get_pci_rootbridge_handle() walks the ACPI name space searching for seg, bus and the PCI_ROOT_HID_STRING -- returning the handle as soon as if find the match. But the current codes always parses through the whole namespace because the user_function find_pci_rootbridge() returns status=AE_OK when it finds the match. Make the find_pci_rootbridge() return AE_CTRL_TERMINATE when it finds the match. This reduces the ACPI namespace walk for acpi_get_pci_rootbridge_handle(). Signed-off-by: Justin Chen Signed-off-by: Len Brown --- drivers/acpi/glue.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 10f160dc75b..ba8fe83c629 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -189,8 +189,12 @@ find_pci_rootbridge(acpi_handle handle, u32 lvl, void *context, void **rv) bus = tmp; if (seg == find->seg && bus == find->bus) + { find->handle = handle; - status = AE_OK; + status = AE_CTRL_TERMINATE; + } + else + status = AE_OK; exit: kfree(buffer.pointer); return status; -- cgit v1.2.3 From fd0c5eca447254682a8372bc73b6bdcc16bf6777 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 27 Oct 2006 17:20:42 -0700 Subject: [WATCHDOG] config.h removal config.h got removed Signed-off-by: Wim Van Sebroeck Signed-off-by: Andrew Morton --- drivers/char/watchdog/pc87413_wdt.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c index bd7727ba1ad..1d447e32af4 100644 --- a/drivers/char/watchdog/pc87413_wdt.c +++ b/drivers/char/watchdog/pc87413_wdt.c @@ -18,7 +18,6 @@ * Release 1.1 */ -#include #include #include #include -- cgit v1.2.3 From 58c6570add83e30c0905885171fbffc134441165 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Sun, 29 Oct 2006 03:43:19 +0900 Subject: [WATCHDOG] sc1200wdt.c pnp unregister fix. If no devices found or invalid parameter is specified, scl200wdt_pnp_driver is left unregistered. It breaks global list of pnp drivers. Signed-off-by: Akinobu Mita Signed-off-by: Wim Van Sebroeck Signed-off-by: Andrew Morton --- drivers/char/watchdog/sc1200wdt.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c index d8d0f28e0ac..e3239833e4b 100644 --- a/drivers/char/watchdog/sc1200wdt.c +++ b/drivers/char/watchdog/sc1200wdt.c @@ -392,7 +392,7 @@ static int __init sc1200wdt_init(void) if (io == -1) { printk(KERN_ERR PFX "io parameter must be specified\n"); ret = -EINVAL; - goto out_clean; + goto out_pnp; } #if defined CONFIG_PNP @@ -405,7 +405,7 @@ static int __init sc1200wdt_init(void) if (!request_region(io, io_len, SC1200_MODULE_NAME)) { printk(KERN_ERR PFX "Unable to register IO port %#x\n", io); ret = -EBUSY; - goto out_clean; + goto out_pnp; } ret = sc1200wdt_probe(); @@ -435,6 +435,11 @@ out_rbt: out_io: release_region(io, io_len); +out_pnp: +#if defined CONFIG_PNP + if (isapnp) + pnp_unregister_driver(&scl200wdt_pnp_driver); +#endif goto out_clean; } -- cgit v1.2.3 From 8b0dc866dd9b8d10a53cb3537385a51b7ee54b62 Mon Sep 17 00:00:00 2001 From: Kristen Carlson Accardi Date: Mon, 30 Oct 2006 11:18:45 -0800 Subject: ACPI: dock: use mutex instead of spinlock http://bugzilla.kernel.org/show_bug.cgi?id=7303 Use a mutex instead of a spinlock for locking the hotplug list because we need to call into the ACPI subsystem which might sleep. Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 578b99b71d9..c7df2a1ea9d 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -44,7 +44,7 @@ struct dock_station { unsigned long last_dock_time; u32 flags; spinlock_t dd_lock; - spinlock_t hp_lock; + struct mutex hp_lock; struct list_head dependent_devices; struct list_head hotplug_devices; }; @@ -114,9 +114,9 @@ static void dock_add_hotplug_device(struct dock_station *ds, struct dock_dependent_device *dd) { - spin_lock(&ds->hp_lock); + mutex_lock(&ds->hp_lock); list_add_tail(&dd->hotplug_list, &ds->hotplug_devices); - spin_unlock(&ds->hp_lock); + mutex_unlock(&ds->hp_lock); } /** @@ -130,9 +130,9 @@ static void dock_del_hotplug_device(struct dock_station *ds, struct dock_dependent_device *dd) { - spin_lock(&ds->hp_lock); + mutex_lock(&ds->hp_lock); list_del(&dd->hotplug_list); - spin_unlock(&ds->hp_lock); + mutex_unlock(&ds->hp_lock); } /** @@ -295,7 +295,7 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event) { struct dock_dependent_device *dd; - spin_lock(&ds->hp_lock); + mutex_lock(&ds->hp_lock); /* * First call driver specific hotplug functions @@ -317,7 +317,7 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event) else dock_create_acpi_device(dd->handle); } - spin_unlock(&ds->hp_lock); + mutex_unlock(&ds->hp_lock); } static void dock_event(struct dock_station *ds, u32 event, int num) @@ -625,7 +625,7 @@ static int dock_add(acpi_handle handle) INIT_LIST_HEAD(&dock_station->dependent_devices); INIT_LIST_HEAD(&dock_station->hotplug_devices); spin_lock_init(&dock_station->dd_lock); - spin_lock_init(&dock_station->hp_lock); + mutex_init(&dock_station->hp_lock); ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list); /* Find dependent devices */ -- cgit v1.2.3 From 1447190e39847cc2cc8a826e7061989c83ff4362 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 2 Nov 2006 23:26:55 -0500 Subject: Input: add comments to input_{allocate|free}_device() Hopefully this will stop people from using input_free_device() incorrectly. Signed-off-by: Dmitry Torokhov --- drivers/input/input.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/input/input.c b/drivers/input/input.c index 1c8c8a5bc4a..7cf2b4f603a 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -37,7 +37,7 @@ static struct input_handler *input_table[8]; /** * input_event() - report new input event - * @handle: device that generated the event + * @dev: device that generated the event * @type: type of the event * @code: event code * @value: value of the event @@ -900,6 +900,15 @@ struct class input_class = { }; EXPORT_SYMBOL_GPL(input_class); +/** + * input_allocate_device - allocate memory for new input device + * + * Returns prepared struct input_dev or NULL. + * + * NOTE: Use input_free_device() to free devices that have not been + * registered; input_unregister_device() should be used for already + * registered devices. + */ struct input_dev *input_allocate_device(void) { struct input_dev *dev; @@ -919,6 +928,20 @@ struct input_dev *input_allocate_device(void) } EXPORT_SYMBOL(input_allocate_device); +/** + * input_free_device - free memory occupied by input_dev structure + * @dev: input device to free + * + * This function should only be used if input_register_device() + * was not called yet or if it failed. Once device was registered + * use input_unregister_device() and memory will be freed once last + * refrence to the device is dropped. + * + * Device should be allocated by input_allocate_device(). + * + * NOTE: If there are references to the input device then memory + * will not be freed until last reference is dropped. + */ void input_free_device(struct input_dev *dev) { if (dev) { -- cgit v1.2.3 From 6a89bc0004c8d9400439db6167c9887456d5d18d Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Thu, 2 Nov 2006 23:27:11 -0500 Subject: Input: lightning - return proper error codes from l4_init() Signed-off-by: Akinobu Mita Signed-off-by: Dmitry Torokhov --- drivers/input/gameport/lightning.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/input/gameport/lightning.c b/drivers/input/gameport/lightning.c index d65d8108025..6b4d4561d46 100644 --- a/drivers/input/gameport/lightning.c +++ b/drivers/input/gameport/lightning.c @@ -309,7 +309,7 @@ static int __init l4_init(void) int i, cards = 0; if (!request_region(L4_PORT, 1, "lightning")) - return -1; + return -EBUSY; for (i = 0; i < 2; i++) if (l4_add_card(i) == 0) @@ -319,7 +319,7 @@ static int __init l4_init(void) if (!cards) { release_region(L4_PORT, 1); - return -1; + return -ENODEV; } return 0; -- cgit v1.2.3 From 1ea2a69d54f40ecebf594ce5abfa02d53682df8a Mon Sep 17 00:00:00 2001 From: Marton Nemeth Date: Thu, 2 Nov 2006 23:27:21 -0500 Subject: Input: serio - rearrange serio_bus initialization Initialize serio_bus structure at compile time instead of at runtime in serio_init(). Signed-off-by: Marton Nemeth Signed-off-by: Dmitry Torokhov --- drivers/input/serio/serio.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 211943f85cb..3cb99d454ec 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -784,12 +784,6 @@ static int serio_driver_remove(struct device *dev) return 0; } -static struct bus_type serio_bus = { - .name = "serio", - .probe = serio_driver_probe, - .remove = serio_driver_remove, -}; - static void serio_add_driver(struct serio_driver *drv) { int error; @@ -946,15 +940,21 @@ irqreturn_t serio_interrupt(struct serio *serio, return ret; } +static struct bus_type serio_bus = { + .name = "serio", + .dev_attrs = serio_device_attrs, + .drv_attrs = serio_driver_attrs, + .match = serio_bus_match, + .uevent = serio_uevent, + .probe = serio_driver_probe, + .remove = serio_driver_remove, + .resume = serio_resume, +}; + static int __init serio_init(void) { int error; - serio_bus.dev_attrs = serio_device_attrs; - serio_bus.drv_attrs = serio_driver_attrs; - serio_bus.match = serio_bus_match; - serio_bus.uevent = serio_uevent; - serio_bus.resume = serio_resume; error = bus_register(&serio_bus); if (error) { printk(KERN_ERR "serio: failed to register serio bus, error: %d\n", error); -- cgit v1.2.3 From b187dd7b5231bb359f587bf4d276ffd467ebc884 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 2 Nov 2006 23:27:30 -0500 Subject: Input: gameport - rearrange gameport_bus initialization Initialize gameport_bus structure at compile time instead of at runtime in gameport_init(). Signed-off-by: Dmitry Torokhov --- drivers/input/gameport/gameport.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index a0af97efe6a..bba5894fcec 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -730,12 +730,6 @@ static int gameport_driver_remove(struct device *dev) return 0; } -static struct bus_type gameport_bus = { - .name = "gameport", - .probe = gameport_driver_probe, - .remove = gameport_driver_remove, -}; - static void gameport_add_driver(struct gameport_driver *drv) { int error; @@ -781,6 +775,15 @@ static int gameport_bus_match(struct device *dev, struct device_driver *drv) return !gameport_drv->ignore; } +static struct bus_type gameport_bus = { + .name = "gameport", + .dev_attrs = gameport_device_attrs, + .drv_attrs = gameport_driver_attrs, + .match = gameport_bus_match, + .probe = gameport_driver_probe, + .remove = gameport_driver_remove, +}; + static void gameport_set_drv(struct gameport *gameport, struct gameport_driver *drv) { mutex_lock(&gameport->drv_mutex); @@ -790,7 +793,6 @@ static void gameport_set_drv(struct gameport *gameport, struct gameport_driver * int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode) { - if (gameport->open) { if (gameport->open(gameport, mode)) { return -1; @@ -818,9 +820,6 @@ static int __init gameport_init(void) { int error; - gameport_bus.dev_attrs = gameport_device_attrs; - gameport_bus.drv_attrs = gameport_driver_attrs; - gameport_bus.match = gameport_bus_match; error = bus_register(&gameport_bus); if (error) { printk(KERN_ERR "gameport: failed to register gameport bus, error: %d\n", error); -- cgit v1.2.3 From 15e9acb83c299963490b1f12d46498ae257d8f4e Mon Sep 17 00:00:00 2001 From: Greg Chandler Date: Thu, 2 Nov 2006 23:27:38 -0500 Subject: Input: lifebook - add Hitachi Flora-IE 55mi tablet DMI signature This adds another DMI detected touchscreen. It is exactly the same driver as the existing ones, but this allows it to be detected on the Hitachi Flora-IE 55mi tablet. The original Midori drivers are "abeo antiquus". This should allow new life for these machines. Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/lifebook.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers') diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index c57e8853b94..ab924484241 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -21,6 +21,12 @@ #include "lifebook.h" static struct dmi_system_id lifebook_dmi_table[] = { + { + .ident = "FLORA-ie 55mi", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), + }, + }, { .ident = "LifeBook B", .matches = { -- cgit v1.2.3 From b1b2965057700d6dc9e1f986e8f7743b95ead424 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 2 Nov 2006 23:27:44 -0500 Subject: Input: lifebook - learn about hard tabs Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/lifebook.c | 88 +++++++++++++++++++++--------------------- 1 file changed, 43 insertions(+), 45 deletions(-) (limited to 'drivers') diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index ab924484241..29542f0631c 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -21,53 +21,51 @@ #include "lifebook.h" static struct dmi_system_id lifebook_dmi_table[] = { - { - .ident = "FLORA-ie 55mi", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), - }, - }, - { - .ident = "LifeBook B", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"), - }, - }, - { - .ident = "Lifebook B", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), - }, - }, - { - .ident = "Lifebook B213x/B2150", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), - }, - }, - { - .ident = "Zephyr", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"), - }, - }, - { - .ident = "CF-18", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), - }, - }, - { - .ident = "Lifebook B142", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), - }, - - }, - { } + { + .ident = "FLORA-ie 55mi", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), + }, + }, + { + .ident = "LifeBook B", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"), + }, + }, + { + .ident = "Lifebook B", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), + }, + }, + { + .ident = "Lifebook B213x/B2150", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), + }, + }, + { + .ident = "Zephyr", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"), + }, + }, + { + .ident = "CF-18", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), + }, + }, + { + .ident = "Lifebook B142", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), + }, + }, + { } }; - static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse) { unsigned char *packet = psmouse->packet; -- cgit v1.2.3 From f4e3c711b31cea401b03ce39d4b5f1a30279094c Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 2 Nov 2006 23:27:49 -0500 Subject: Input: i8042 - remove unneeded call to i8042_interrupt() Remove call to i8042_interrupt() from i8042_aux_write(). According to Vojtech it may cause problems with older controllers if it is called right after real interrupt. Also it is not needed anymore since we register IRQs early and not waiting for serio ports to be opened. Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 7e3141f37e3..d365f227ac5 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -255,25 +255,10 @@ static int i8042_kbd_write(struct serio *port, unsigned char c) static int i8042_aux_write(struct serio *serio, unsigned char c) { struct i8042_port *port = serio->port_data; - int retval; - -/* - * Send the byte out. - */ - - if (port->mux == -1) - retval = i8042_command(&c, I8042_CMD_AUX_SEND); - else - retval = i8042_command(&c, I8042_CMD_MUX_SEND + port->mux); -/* - * Make sure the interrupt happens and the character is received even - * in the case the IRQ isn't wired, so that we can receive further - * characters later. - */ - - i8042_interrupt(0, NULL); - return retval; + return i8042_command(&c, port->mux == -1 ? + I8042_CMD_AUX_SEND : + I8042_CMD_MUX_SEND + port->mux); } /* -- cgit v1.2.3 From 8dd51650baf0861b0a73acb2c08bb944aa45bc61 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 2 Nov 2006 23:34:09 -0500 Subject: Input: ads7846 - handle errors from sysfs Add sysfs error handling and switch to using attribute groups to simplify it. Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ads7846.c | 95 ++++++++++++++++++++++++------------- 1 file changed, 61 insertions(+), 34 deletions(-) (limited to 'drivers') diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f56d6a0f062..8f56af8cd7a 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -76,6 +76,7 @@ struct ads7846 { char phys[32]; struct spi_device *spi; + struct attribute_group *attr_group; u16 model; u16 vref_delay_usecs; u16 x_plate_ohms; @@ -317,6 +318,48 @@ static ssize_t ads7846_disable_store(struct device *dev, static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store); +static struct attribute *ads7846_attributes[] = { + &dev_attr_temp0.attr, + &dev_attr_temp1.attr, + &dev_attr_vbatt.attr, + &dev_attr_vaux.attr, + &dev_attr_pen_down.attr, + &dev_attr_disable.attr, + NULL, +}; + +static struct attribute_group ads7846_attr_group = { + .attrs = ads7846_attributes, +}; + +/* + * ads7843/7845 don't have temperature sensors, and + * use the other sensors a bit differently too + */ + +static struct attribute *ads7843_attributes[] = { + &dev_attr_vbatt.attr, + &dev_attr_vaux.attr, + &dev_attr_pen_down.attr, + &dev_attr_disable.attr, + NULL, +}; + +static struct attribute_group ads7843_attr_group = { + .attrs = ads7843_attributes, +}; + +static struct attribute *ads7845_attributes[] = { + &dev_attr_vaux.attr, + &dev_attr_pen_down.attr, + &dev_attr_disable.attr, + NULL, +}; + +static struct attribute_group ads7845_attr_group = { + .attrs = ads7845_attributes, +}; + /*--------------------------------------------------------------------------*/ /* @@ -788,38 +831,30 @@ static int __devinit ads7846_probe(struct spi_device *spi) (void) ads7846_read12_ser(&spi->dev, READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON); - /* ads7843/7845 don't have temperature sensors, and - * use the other sensors a bit differently too - */ - if (ts->model == 7846) { - device_create_file(&spi->dev, &dev_attr_temp0); - device_create_file(&spi->dev, &dev_attr_temp1); + switch (ts->model) { + case 7846: + ts->attr_group = &ads7846_attr_group; + break; + case 7845: + ts->attr_group = &ads7845_attr_group; + break; + default: + ts->attr_group = &ads7843_attr_group; + break; } - if (ts->model != 7845) - device_create_file(&spi->dev, &dev_attr_vbatt); - device_create_file(&spi->dev, &dev_attr_vaux); - - device_create_file(&spi->dev, &dev_attr_pen_down); - - device_create_file(&spi->dev, &dev_attr_disable); + err = sysfs_create_group(&spi->dev.kobj, ts->attr_group); + if (err) + goto err_free_irq; err = input_register_device(input_dev); if (err) - goto err_remove_attr; + goto err_remove_attr_group; return 0; - err_remove_attr: - device_remove_file(&spi->dev, &dev_attr_disable); - device_remove_file(&spi->dev, &dev_attr_pen_down); - if (ts->model == 7846) { - device_remove_file(&spi->dev, &dev_attr_temp1); - device_remove_file(&spi->dev, &dev_attr_temp0); - } - if (ts->model != 7845) - device_remove_file(&spi->dev, &dev_attr_vbatt); - device_remove_file(&spi->dev, &dev_attr_vaux); - + err_remove_attr_group: + sysfs_remove_group(&spi->dev.kobj, ts->attr_group); + err_free_irq: free_irq(spi->irq, ts); err_free_mem: input_free_device(input_dev); @@ -835,15 +870,7 @@ static int __devexit ads7846_remove(struct spi_device *spi) ads7846_suspend(spi, PMSG_SUSPEND); - device_remove_file(&spi->dev, &dev_attr_disable); - device_remove_file(&spi->dev, &dev_attr_pen_down); - if (ts->model == 7846) { - device_remove_file(&spi->dev, &dev_attr_temp1); - device_remove_file(&spi->dev, &dev_attr_temp0); - } - if (ts->model != 7845) - device_remove_file(&spi->dev, &dev_attr_vbatt); - device_remove_file(&spi->dev, &dev_attr_vaux); + sysfs_remove_group(&spi->dev.kobj, ts->attr_group); free_irq(ts->spi->irq, ts); /* suspend left the IRQ disabled */ -- cgit v1.2.3 From 8ff22ea7d29d99b3dbec08fd541eb406c6775ec1 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 2 Nov 2006 23:59:30 -0500 Subject: Input: trackpoint - handle sysfs errors Also use kzalloc instead of kcalloc since we are allocating single object. Signed-off-by: Jeff Garzik Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/trackpoint.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index ae5871a0e06..9ab5b5ea809 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -293,6 +293,7 @@ int trackpoint_detect(struct psmouse *psmouse, int set_properties) struct ps2dev *ps2dev = &psmouse->ps2dev; unsigned char firmware_id; unsigned char button_info; + int error; if (trackpoint_start_protocol(psmouse, &firmware_id)) return -1; @@ -305,7 +306,7 @@ int trackpoint_detect(struct psmouse *psmouse, int set_properties) button_info = 0; } - psmouse->private = priv = kcalloc(1, sizeof(struct trackpoint_data), GFP_KERNEL); + psmouse->private = priv = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL); if (!priv) return -1; @@ -318,7 +319,14 @@ int trackpoint_detect(struct psmouse *psmouse, int set_properties) trackpoint_defaults(priv); trackpoint_sync(psmouse); - sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group); + error = sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group); + if (error) { + printk(KERN_ERR + "trackpoint.c: failed to create sysfs attributes, error: %d\n", + error); + kfree(priv); + return -1; + } printk(KERN_INFO "IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n", firmware_id, (button_info & 0xf0) >> 4, button_info & 0x0f); -- cgit v1.2.3 From 0fea0e9a9c72dab526447895605fc236c87c2726 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 2 Nov 2006 23:59:40 -0500 Subject: Input: logips2pp - handle sysfs errors Signed-off-by: Jeff Garzik Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/logips2pp.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c index 8a4f862709e..d3ddea26b8c 100644 --- a/drivers/input/mouse/logips2pp.c +++ b/drivers/input/mouse/logips2pp.c @@ -328,6 +328,7 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties) unsigned char model, buttons; const struct ps2pp_info *model_info; int use_ps2pp = 0; + int error; param[0] = 0; ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); @@ -393,8 +394,14 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties) psmouse->set_resolution = ps2pp_set_resolution; psmouse->disconnect = ps2pp_disconnect; - device_create_file(&psmouse->ps2dev.serio->dev, - &psmouse_attr_smartscroll.dattr); + error = device_create_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_smartscroll.dattr); + if (error) { + printk(KERN_ERR + "logips2pp.c: failed to create smartscroll " + "sysfs attribute, error: %d\n", error); + return -1; + } } } -- cgit v1.2.3 From 28af24bb8470c7d0573b703a2955548b73a6c066 Mon Sep 17 00:00:00 2001 From: Dave Jones Date: Fri, 3 Nov 2006 15:13:27 -0500 Subject: [AGPGART] Fix up misprogrammed bridges with incorrect AGPv2 rates. Some dumb bridges are programmed to disobey the AGP2 spec. This is likely a BIOS misprogramming rather than poweron default, or it would be a lot more common. AGPv2 spec 6.1.9 states: "The RATE field indicates the data transfer rates supported by this device. A.G.P. devices must report all that apply." Fix them up as best we can. This will prevent errors like.. agpgart: Found an AGP 3.5 compliant device at 0000:00:00.0. agpgart: req mode 1f000201 bridge_agpstat 1f000a14 vga_agpstat 2f000217. agpgart: Device is in legacy mode, falling back to 2.x agpgart: Putting AGP V2 device at 0000:00:00.0 into 0x mode agpgart: Putting AGP V2 device at 0000:01:00.0 into 0x mode agpgart: Putting AGP V2 device at 0000:01:00.1 into 0x mode https://bugs.freedesktop.org/show_bug.cgi?id=8816 Signed-off-by: Dave Jones --- drivers/char/agp/generic.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'drivers') diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index c3920016168..ca4629f66d1 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -419,6 +419,31 @@ static void agp_v2_parse_one(u32 *requested_mode, u32 *bridge_agpstat, u32 *vga_ *requested_mode &= ~AGP2_RESERVED_MASK; } + /* + * Some dumb bridges are programmed to disobey the AGP2 spec. + * This is likely a BIOS misprogramming rather than poweron default, or + * it would be a lot more common. + * https://bugs.freedesktop.org/show_bug.cgi?id=8816 + * AGPv2 spec 6.1.9 states: + * The RATE field indicates the data transfer rates supported by this + * device. A.G.P. devices must report all that apply. + * Fix them up as best we can. + */ + switch (*bridge_agpstat & 7) { + case 4: + *bridge_agpstat |= (AGPSTAT2_2X | AGPSTAT2_1X); + printk(KERN_INFO PFX "BIOS bug. AGP bridge claims to only support x4 rate" + "Fixing up support for x2 & x1\n"); + break; + case 2: + *bridge_agpstat |= AGPSTAT2_1X; + printk(KERN_INFO PFX "BIOS bug. AGP bridge claims to only support x2 rate" + "Fixing up support for x1\n"); + break; + default: + break; + } + /* Check the speed bits make sense. Only one should be set. */ tmp = *requested_mode & 7; switch (tmp) { -- cgit v1.2.3 From e52b29c2a637f6854d71a45646d7283d984a6dad Mon Sep 17 00:00:00 2001 From: Brandon Philips Date: Sat, 4 Nov 2006 22:09:08 -0500 Subject: Input: drivers/char/keyboard.c - small cleanup in k_cur() To save a char pointer in the final assembly change to alternate string form. Signed-off-by: Brandon Philips Signed-off-by: Dmitry Torokhov --- drivers/char/keyboard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 20b6c8b3024..7a6c1c0b7a9 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -710,7 +710,7 @@ static void k_fn(struct vc_data *vc, unsigned char value, char up_flag) static void k_cur(struct vc_data *vc, unsigned char value, char up_flag) { - static const char *cur_chars = "BDCA"; + static const char cur_chars[] = "BDCA"; if (up_flag) return; -- cgit v1.2.3 From 41ad5fbabda0c3930136bb40cfc7a0c23013365f Mon Sep 17 00:00:00 2001 From: Anssi Hannula Date: Sat, 4 Nov 2006 22:49:53 -0500 Subject: Input: HID - add a quirk for the Logitech USB Receiver Logitech USB Receiver (046d:c101) has two interfaces. The first one contains fields from HID_UP_KEYBOARD and HID_UP_LED, and the other one contains fields from HID_UP_CONSUMER and HID_UP_LOGIVENDOR. This device is used with multiple wireless Logitech products, including UltraX Media Remote. All fields on both interfaces are either keys or leds. All fields in the first interface are marked as Absolute, while the fields in the second interface are marked as Relative. Marking the keys as relative causes hidinput_hid_event() to send release events right after key press events. The device has EV_REP set, so the userspace expects the device to send repeat events if a key is held down. However, as hidinput_hid_event() sends release events immediately, repeat events are not sent at all. In fact, the userspace has no way of knowing if a key is being held down. Fix this by adding a quirk for 046d:c101 which changes relative keys to absolute ones. Signed-off-by: Anssi Hannula Signed-off-by: Dmitry Torokhov --- drivers/usb/input/hid-core.c | 7 ++++++- drivers/usb/input/hid-input.c | 4 ++++ drivers/usb/input/hid.h | 1 + 3 files changed, 11 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 6daf85c6eee..6095d9cedb7 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1643,6 +1643,9 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_AIRCABLE 0x16CA #define USB_DEVICE_ID_AIRCABLE1 0x1502 +#define USB_VENDOR_ID_LOGITECH 0x046d +#define USB_DEVICE_ID_LOGITECH_USB_RECEIVER 0xc101 + /* * Alphabetically sorted blacklist by quirk type. */ @@ -1811,7 +1814,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, - + + { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS }, + { 0, 0 } }; diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c index 9a808a3b4d3..c8ce65c70a4 100644 --- a/drivers/usb/input/hid-input.c +++ b/drivers/usb/input/hid-input.c @@ -564,6 +564,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) goto ignore; + if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && + usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) + field->flags &= ~HID_MAIN_ITEM_RELATIVE; + set_bit(usage->type, input->evbit); while (usage->code <= max && test_and_set_bit(usage->code, bit)) diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index 9b50effef75..8aa9ec08e8a 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -260,6 +260,7 @@ struct hid_item { #define HID_QUIRK_POWERBOOK_HAS_FN 0x00001000 #define HID_QUIRK_POWERBOOK_FN_ON 0x00002000 #define HID_QUIRK_INVERT_HWHEEL 0x00004000 +#define HID_QUIRK_BAD_RELATIVE_KEYS 0x00008000 /* * This is the global environment of the parser. This information is -- cgit v1.2.3 From 2b03b60e6b8635fffdd15d5d24943950f2bbf96e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 5 Nov 2006 22:39:56 -0500 Subject: Input: keyboards - handle errors when registering input devices Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/amikbd.c | 22 +++-- drivers/input/keyboard/atkbd.c | 159 +++++++++++++++++++++++++++++------- drivers/input/keyboard/corgikbd.c | 17 ++-- drivers/input/keyboard/lkkbd.c | 14 ++-- drivers/input/keyboard/locomokbd.c | 28 ++++--- drivers/input/keyboard/maple_keyb.c | 14 +++- drivers/input/keyboard/newtonkbd.c | 14 ++-- drivers/input/keyboard/spitzkbd.c | 24 +++--- drivers/input/keyboard/sunkbd.c | 20 +++-- drivers/input/keyboard/xtkbd.c | 14 ++-- 10 files changed, 234 insertions(+), 92 deletions(-) (limited to 'drivers') diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c index 8abdbd0ee8f..16583d71753 100644 --- a/drivers/input/keyboard/amikbd.c +++ b/drivers/input/keyboard/amikbd.c @@ -190,7 +190,7 @@ static int __init amikbd_init(void) int i, j; if (!AMIGAHW_PRESENT(AMI_KEYBOARD)) - return -EIO; + return -ENODEV; if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb")) return -EBUSY; @@ -198,8 +198,8 @@ static int __init amikbd_init(void) amikbd_dev = input_allocate_device(); if (!amikbd_dev) { printk(KERN_ERR "amikbd: not enough memory for input device\n"); - release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100); - return -ENOMEM; + err = -ENOMEM; + goto fail1; } amikbd_dev->name = "Amiga Keyboard"; @@ -231,10 +231,22 @@ static int __init amikbd_init(void) memcpy(key_maps[i], temp_map, sizeof(temp_map)); } ciaa.cra &= ~0x41; /* serial data in, turn off TA */ - request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", amikbd_interrupt); + if (request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", + amikbd_interrupt)) { + err = -EBUSY; + goto fail2; + } + + err = input_register_device(amikbd_dev); + if (err) + goto fail3; - input_register_device(amikbd_dev); return 0; + + fail3: free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt); + fail2: input_free_device(amikbd_dev); + fail1: release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100); + return err; } static void __exit amikbd_exit(void) diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index cbb93669d1c..73c6946b2d9 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -939,7 +939,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv) atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); dev = input_allocate_device(); if (!atkbd || !dev) - goto fail; + goto fail1; atkbd->dev = dev; ps2_init(&atkbd->ps2dev, serio); @@ -967,14 +967,13 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; if (atkbd->write) { if (atkbd_probe(atkbd)) { - serio_close(serio); err = -ENODEV; - goto fail; + goto fail3; } atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); @@ -988,16 +987,22 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv) atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); + err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); + if (err) + goto fail3; atkbd_enable(atkbd); - input_register_device(atkbd->dev); + err = input_register_device(atkbd->dev); + if (err) + goto fail4; return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(dev); + fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(dev); kfree(atkbd); return err; } @@ -1133,9 +1138,11 @@ static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) { - struct input_dev *new_dev; + struct input_dev *old_dev, *new_dev; unsigned long value; char *rest; + int err; + unsigned char old_extra, old_set; if (!atkbd->write) return -EIO; @@ -1147,17 +1154,36 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t coun if (atkbd->extra != value) { /* * Since device's properties will change we need to - * unregister old device. But allocate new one first - * to make sure we have it. + * unregister old device. But allocate and register + * new one first to make sure we have it. */ - if (!(new_dev = input_allocate_device())) + old_dev = atkbd->dev; + old_extra = atkbd->extra; + old_set = atkbd->set; + + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; - input_unregister_device(atkbd->dev); + atkbd->dev = new_dev; atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); atkbd_activate(atkbd); + atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); + } return count; } @@ -1169,23 +1195,41 @@ static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) { - struct input_dev *new_dev; + struct input_dev *old_dev, *new_dev; unsigned long value; char *rest; + int err; + unsigned char old_scroll; value = simple_strtoul(buf, &rest, 10); if (*rest || value > 1) return -EINVAL; if (atkbd->scroll != value) { - if (!(new_dev = input_allocate_device())) + old_dev = atkbd->dev; + old_scroll = atkbd->scroll; + + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; - input_unregister_device(atkbd->dev); + atkbd->dev = new_dev; atkbd->scroll = value; atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->scroll = old_scroll; + atkbd->dev = old_dev; + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } @@ -1197,9 +1241,11 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) { - struct input_dev *new_dev; + struct input_dev *old_dev, *new_dev; unsigned long value; char *rest; + int err; + unsigned char old_set, old_extra; if (!atkbd->write) return -EIO; @@ -1209,15 +1255,32 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) return -EINVAL; if (atkbd->set != value) { - if (!(new_dev = input_allocate_device())) + old_dev = atkbd->dev; + old_extra = atkbd->extra; + old_set = atkbd->set; + + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; - input_unregister_device(atkbd->dev); + atkbd->dev = new_dev; atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); atkbd_activate(atkbd); atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); - input_register_device(atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); + atkbd_set_keycode_table(atkbd); + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } @@ -1229,9 +1292,11 @@ static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) { - struct input_dev *new_dev; + struct input_dev *old_dev, *new_dev; unsigned long value; char *rest; + int err; + unsigned char old_softrepeat, old_softraw; if (!atkbd->write) return -EIO; @@ -1241,15 +1306,32 @@ static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t return -EINVAL; if (atkbd->softrepeat != value) { - if (!(new_dev = input_allocate_device())) + old_dev = atkbd->dev; + old_softrepeat = atkbd->softrepeat; + old_softraw = atkbd->softraw; + + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; - input_unregister_device(atkbd->dev); + atkbd->dev = new_dev; atkbd->softrepeat = value; if (atkbd->softrepeat) atkbd->softraw = 1; atkbd_set_device_attrs(atkbd); - input_register_device(atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->softrepeat = old_softrepeat; + atkbd->softraw = old_softraw; + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } @@ -1262,22 +1344,39 @@ static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) { - struct input_dev *new_dev; + struct input_dev *old_dev, *new_dev; unsigned long value; char *rest; + int err; + unsigned char old_softraw; value = simple_strtoul(buf, &rest, 10); if (*rest || value > 1) return -EINVAL; if (atkbd->softraw != value) { - if (!(new_dev = input_allocate_device())) + old_dev = atkbd->dev; + old_softraw = atkbd->softraw; + + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; - input_unregister_device(atkbd->dev); + atkbd->dev = new_dev; atkbd->softraw = value; atkbd_set_device_attrs(atkbd); - input_register_device(atkbd->dev); + + err = input_register_device(atkbd->dev); + if (err) { + input_free_device(new_dev); + + atkbd->dev = old_dev; + atkbd->softraw = old_softraw; + atkbd_set_device_attrs(atkbd); + + return err; + } + input_unregister_device(old_dev); } return count; } diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c index befdd6006b5..1016c94e65d 100644 --- a/drivers/input/keyboard/corgikbd.c +++ b/drivers/input/keyboard/corgikbd.c @@ -291,15 +291,12 @@ static int __init corgikbd_probe(struct platform_device *pdev) { struct corgikbd *corgikbd; struct input_dev *input_dev; - int i; + int i, err = -ENOMEM; corgikbd = kzalloc(sizeof(struct corgikbd), GFP_KERNEL); input_dev = input_allocate_device(); - if (!corgikbd || !input_dev) { - kfree(corgikbd); - input_free_device(input_dev); - return -ENOMEM; - } + if (!corgikbd || !input_dev) + goto fail; platform_set_drvdata(pdev, corgikbd); @@ -341,7 +338,9 @@ static int __init corgikbd_probe(struct platform_device *pdev) set_bit(SW_TABLET_MODE, input_dev->swbit); set_bit(SW_HEADPHONE_INSERT, input_dev->swbit); - input_register_device(corgikbd->input); + err = input_register_device(corgikbd->input); + if (err) + goto fail; mod_timer(&corgikbd->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL)); @@ -362,6 +361,10 @@ static int __init corgikbd_probe(struct platform_device *pdev) pxa_gpio_mode(CORGI_GPIO_AK_INT | GPIO_IN); return 0; + + fail: input_free_device(input_dev); + kfree(corgikbd); + return err; } static int corgikbd_remove(struct platform_device *pdev) diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c index 708d5a1bc3d..0067c1fe3d4 100644 --- a/drivers/input/keyboard/lkkbd.c +++ b/drivers/input/keyboard/lkkbd.c @@ -651,7 +651,7 @@ lkkbd_connect (struct serio *serio, struct serio_driver *drv) input_dev = input_allocate_device (); if (!lk || !input_dev) { err = -ENOMEM; - goto fail; + goto fail1; } lk->serio = serio; @@ -696,15 +696,19 @@ lkkbd_connect (struct serio *serio, struct serio_driver *drv) err = serio_open (serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device (lk->dev); + if (err) + goto fail3; - input_register_device (lk->dev); lk->serio->write (lk->serio, LK_CMD_POWERCYCLE_RESET); return 0; - fail: serio_set_drvdata (serio, NULL); - input_free_device (input_dev); + fail3: serio_close (serio); + fail2: serio_set_drvdata (serio, NULL); + fail1: input_free_device (input_dev); kfree (lk); return err; } diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c index 5788dbc317b..2ade5186cc4 100644 --- a/drivers/input/keyboard/locomokbd.c +++ b/drivers/input/keyboard/locomokbd.c @@ -193,22 +193,22 @@ static int locomokbd_probe(struct locomo_dev *dev) { struct locomokbd *locomokbd; struct input_dev *input_dev; - int i, ret; + int i, err; locomokbd = kzalloc(sizeof(struct locomokbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!locomokbd || !input_dev) { - ret = -ENOMEM; - goto free; + err = -ENOMEM; + goto err_free_mem; } /* try and claim memory region */ if (!request_mem_region((unsigned long) dev->mapbase, dev->length, LOCOMO_DRIVER_NAME(dev))) { - ret = -EBUSY; + err = -EBUSY; printk(KERN_ERR "locomokbd: Can't acquire access to io memory for keyboard\n"); - goto free; + goto err_free_mem; } locomokbd->ldev = dev; @@ -244,24 +244,28 @@ static int locomokbd_probe(struct locomo_dev *dev) clear_bit(0, input_dev->keybit); /* attempt to get the interrupt */ - ret = request_irq(dev->irq[0], locomokbd_interrupt, 0, "locomokbd", locomokbd); - if (ret) { + err = request_irq(dev->irq[0], locomokbd_interrupt, 0, "locomokbd", locomokbd); + if (err) { printk(KERN_ERR "locomokbd: Can't get irq for keyboard\n"); - goto out; + goto err_release_region; } - input_register_device(locomokbd->input); + err = input_register_device(locomokbd->input); + if (err) + goto err_free_irq; return 0; -out: + err_free_irq: + free_irq(dev->irq[0], locomokbd); + err_release_region: release_mem_region((unsigned long) dev->mapbase, dev->length); locomo_set_drvdata(dev, NULL); -free: + err_free_mem: input_free_device(input_dev); kfree(locomokbd); - return ret; + return err; } static int locomokbd_remove(struct locomo_dev *dev) diff --git a/drivers/input/keyboard/maple_keyb.c b/drivers/input/keyboard/maple_keyb.c index cc6aaf9e85b..99836b3af47 100644 --- a/drivers/input/keyboard/maple_keyb.c +++ b/drivers/input/keyboard/maple_keyb.c @@ -94,13 +94,13 @@ static int dc_kbd_connect(struct maple_device *dev) struct input_dev *input_dev; unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]); int i; + int err; dev->private_data = kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!kbd || !input_dev) { - kfree(kbd); - input_free_device(input_dev); - return -ENOMEM; + err = -ENOMEM; + goto fail; } kbd->dev = input_dev; @@ -113,10 +113,16 @@ static int dc_kbd_connect(struct maple_device *dev) set_bit(dc_kbd_keycode[i], input_dev->keybit); clear_bit(0, input_dev->keybit); - input_register_device(kbd->dev); + err = input_register_device(kbd->dev); + if (err) + goto fail; maple_getcond_callback(dev, dc_kbd_callback, 1, MAPLE_FUNC_KEYBOARD); return 0; + + fail: input_free_device(input_dev); + kfree(kbd); + return err; } diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c index 9282e4e082b..33e813948d6 100644 --- a/drivers/input/keyboard/newtonkbd.c +++ b/drivers/input/keyboard/newtonkbd.c @@ -91,7 +91,7 @@ static int nkbd_connect(struct serio *serio, struct serio_driver *drv) nkbd = kzalloc(sizeof(struct nkbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!nkbd || !input_dev) - goto fail; + goto fail1; nkbd->serio = serio; nkbd->dev = input_dev; @@ -119,13 +119,17 @@ static int nkbd_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(nkbd->dev); + if (err) + goto fail3; - input_register_device(nkbd->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(nkbd); return err; } diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c index 28b2748e82d..8a2166c77ff 100644 --- a/drivers/input/keyboard/spitzkbd.c +++ b/drivers/input/keyboard/spitzkbd.c @@ -346,17 +346,12 @@ static int __init spitzkbd_probe(struct platform_device *dev) { struct spitzkbd *spitzkbd; struct input_dev *input_dev; - int i; + int i, err = -ENOMEM; spitzkbd = kzalloc(sizeof(struct spitzkbd), GFP_KERNEL); - if (!spitzkbd) - return -ENOMEM; - input_dev = input_allocate_device(); - if (!input_dev) { - kfree(spitzkbd); - return -ENOMEM; - } + if (!spitzkbd || !input_dev) + goto fail; platform_set_drvdata(dev, spitzkbd); strcpy(spitzkbd->phys, "spitzkbd/input0"); @@ -400,7 +395,9 @@ static int __init spitzkbd_probe(struct platform_device *dev) set_bit(SW_TABLET_MODE, input_dev->swbit); set_bit(SW_HEADPHONE_INSERT, input_dev->swbit); - input_register_device(input_dev); + err = input_register_device(input_dev); + if (err) + goto fail; mod_timer(&spitzkbd->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL)); @@ -434,13 +431,15 @@ static int __init spitzkbd_probe(struct platform_device *dev) request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd SWB", spitzkbd); - request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr, + request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "Spitzkbd HP", spitzkbd); - printk(KERN_INFO "input: Spitz Keyboard Registered\n"); - return 0; + + fail: input_free_device(input_dev); + kfree(spitzkbd); + return err; } static int spitzkbd_remove(struct platform_device *dev) @@ -474,6 +473,7 @@ static struct platform_driver spitzkbd_driver = { .resume = spitzkbd_resume, .driver = { .name = "spitz-keyboard", + .owner = THIS_MODULE, }, }; diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index cac4781103c..d1b62f77a71 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -243,7 +243,7 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) sunkbd = kzalloc(sizeof(struct sunkbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!sunkbd || !input_dev) - goto fail; + goto fail1; sunkbd->serio = serio; sunkbd->dev = input_dev; @@ -255,11 +255,11 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; if (sunkbd_initialize(sunkbd) < 0) { - serio_close(serio); - goto fail; + err = -ENODEV; + goto fail3; } snprintf(sunkbd->name, sizeof(sunkbd->name), "Sun Type %d keyboard", sunkbd->type); @@ -287,11 +287,17 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) clear_bit(0, input_dev->keybit); sunkbd_enable(sunkbd, 1); - input_register_device(sunkbd->dev); + + err = input_register_device(sunkbd->dev); + if (err) + goto fail4; + return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail4: sunkbd_enable(sunkbd, 0); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(sunkbd); return err; } diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c index 8c11dc93545..b53f7163858 100644 --- a/drivers/input/keyboard/xtkbd.c +++ b/drivers/input/keyboard/xtkbd.c @@ -95,7 +95,7 @@ static int xtkbd_connect(struct serio *serio, struct serio_driver *drv) xtkbd = kmalloc(sizeof(struct xtkbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!xtkbd || !input_dev) - goto fail; + goto fail1; xtkbd->serio = serio; xtkbd->dev = input_dev; @@ -124,13 +124,17 @@ static int xtkbd_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(xtkbd->dev); + if (err) + goto fail3; - input_register_device(xtkbd->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(xtkbd); return err; } -- cgit v1.2.3 From 52c1f5704d7555a16641429b2e7af5d26d7b119a Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 5 Nov 2006 22:40:03 -0500 Subject: Input: touchscreens - handle errors when registering input devices Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/corgi_ts.c | 30 ++++++++++++++++++------------ drivers/input/touchscreen/gunze.c | 14 +++++++++----- drivers/input/touchscreen/hp680_ts_input.c | 29 +++++++++++++++++++---------- drivers/input/touchscreen/mk712.c | 26 ++++++++++++++------------ drivers/input/touchscreen/mtouch.c | 13 ++++++++----- 5 files changed, 68 insertions(+), 44 deletions(-) (limited to 'drivers') diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c index 66121f6a89a..e2945582828 100644 --- a/drivers/input/touchscreen/corgi_ts.c +++ b/drivers/input/touchscreen/corgi_ts.c @@ -175,17 +175,19 @@ static int read_xydata(struct corgi_ts *corgi_ts) static void new_data(struct corgi_ts *corgi_ts) { + struct input_dev *dev = corgi_ts->input; + if (corgi_ts->power_mode != PWR_MODE_ACTIVE) return; if (!corgi_ts->tc.pressure && corgi_ts->pendown == 0) return; - input_report_abs(corgi_ts->input, ABS_X, corgi_ts->tc.x); - input_report_abs(corgi_ts->input, ABS_Y, corgi_ts->tc.y); - input_report_abs(corgi_ts->input, ABS_PRESSURE, corgi_ts->tc.pressure); - input_report_key(corgi_ts->input, BTN_TOUCH, (corgi_ts->pendown != 0)); - input_sync(corgi_ts->input); + input_report_abs(dev, ABS_X, corgi_ts->tc.x); + input_report_abs(dev, ABS_Y, corgi_ts->tc.y); + input_report_abs(dev, ABS_PRESSURE, corgi_ts->tc.pressure); + input_report_key(dev, BTN_TOUCH, corgi_ts->pendown); + input_sync(dev); } static void ts_interrupt_main(struct corgi_ts *corgi_ts, int isTimer) @@ -219,12 +221,14 @@ static void ts_interrupt_main(struct corgi_ts *corgi_ts, int isTimer) static void corgi_ts_timer(unsigned long data) { struct corgi_ts *corgits_data = (struct corgi_ts *) data; + ts_interrupt_main(corgits_data, 1); } static irqreturn_t ts_interrupt(int irq, void *dev_id) { struct corgi_ts *corgits_data = dev_id; + ts_interrupt_main(corgits_data, 0); return IRQ_HANDLED; } @@ -272,7 +276,7 @@ static int __init corgits_probe(struct platform_device *pdev) corgi_ts = kzalloc(sizeof(struct corgi_ts), GFP_KERNEL); input_dev = input_allocate_device(); if (!corgi_ts || !input_dev) - goto fail; + goto fail1; platform_set_drvdata(pdev, corgi_ts); @@ -281,7 +285,7 @@ static int __init corgits_probe(struct platform_device *pdev) if (corgi_ts->irq_gpio < 0) { err = -ENODEV; - goto fail; + goto fail1; } corgi_ts->input = input_dev; @@ -319,10 +323,12 @@ static int __init corgits_probe(struct platform_device *pdev) if (request_irq(corgi_ts->irq_gpio, ts_interrupt, IRQF_DISABLED, "ts", corgi_ts)) { err = -EBUSY; - goto fail; + goto fail1; } - input_register_device(corgi_ts->input); + err = input_register_device(corgi_ts->input); + if (err) + goto fail2; corgi_ts->power_mode = PWR_MODE_ACTIVE; @@ -331,17 +337,17 @@ static int __init corgits_probe(struct platform_device *pdev) return 0; - fail: input_free_device(input_dev); + fail2: free_irq(corgi_ts->irq_gpio, corgi_ts); + fail1: input_free_device(input_dev); kfree(corgi_ts); return err; - } static int corgits_remove(struct platform_device *pdev) { struct corgi_ts *corgi_ts = platform_get_drvdata(pdev); - free_irq(corgi_ts->irq_gpio, NULL); + free_irq(corgi_ts->irq_gpio, corgi_ts); del_timer_sync(&corgi_ts->timer); corgi_ts->machinfo->put_hsync(); input_unregister_device(corgi_ts->input); diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c index 817c2198933..44f397fff71 100644 --- a/drivers/input/touchscreen/gunze.c +++ b/drivers/input/touchscreen/gunze.c @@ -123,7 +123,7 @@ static int gunze_connect(struct serio *serio, struct serio_driver *drv) input_dev = input_allocate_device(); if (!gunze || !input_dev) { err = -ENOMEM; - goto fail; + goto fail1; } gunze->serio = serio; @@ -146,13 +146,17 @@ static int gunze_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(gunze->dev); + if (err) + goto fail3; - input_register_device(gunze->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(gunze); return err; } diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c index 58fca316786..24908747274 100644 --- a/drivers/input/touchscreen/hp680_ts_input.c +++ b/drivers/input/touchscreen/hp680_ts_input.c @@ -76,38 +76,47 @@ static irqreturn_t hp680_ts_interrupt(int irq, void *dev) static int __init hp680_ts_init(void) { + int err; + hp680_ts_dev = input_allocate_device(); if (!hp680_ts_dev) return -ENOMEM; hp680_ts_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY); - hp680_ts_dev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y); hp680_ts_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH); - hp680_ts_dev->absmin[ABS_X] = HP680_TS_ABS_X_MIN; - hp680_ts_dev->absmin[ABS_Y] = HP680_TS_ABS_Y_MIN; - hp680_ts_dev->absmax[ABS_X] = HP680_TS_ABS_X_MAX; - hp680_ts_dev->absmax[ABS_Y] = HP680_TS_ABS_Y_MAX; + input_set_abs_params(hp680_ts_dev, ABS_X, + HP680_TS_ABS_X_MIN, HP680_TS_ABS_X_MAX, 0, 0); + input_set_abs_params(hp680_ts_dev, ABS_Y, + HP680_TS_ABS_Y_MIN, HP680_TS_ABS_Y_MAX, 0, 0); hp680_ts_dev->name = "HP Jornada touchscreen"; hp680_ts_dev->phys = "hp680_ts/input0"; - input_register_device(hp680_ts_dev); - if (request_irq(HP680_TS_IRQ, hp680_ts_interrupt, IRQF_DISABLED, MODNAME, 0) < 0) { printk(KERN_ERR "hp680_touchscreen.c: Can't allocate irq %d\n", HP680_TS_IRQ); - input_unregister_device(hp680_ts_dev); - return -EBUSY; + err = -EBUSY; + goto fail1; } + err = input_register_device(hp680_ts_dev); + if (err) + goto fail2; + return 0; + + fail2: free_irq(HP680_TS_IRQ, NULL); + cancel_delayed_work(&work); + flush_scheduled_work(); + fail1: input_free_device(hp680_ts_dev); + return err; } static void __exit hp680_ts_exit(void) { - free_irq(HP680_TS_IRQ, 0); + free_irq(HP680_TS_IRQ, NULL); cancel_delayed_work(&work); flush_scheduled_work(); input_unregister_device(hp680_ts_dev); diff --git a/drivers/input/touchscreen/mk712.c b/drivers/input/touchscreen/mk712.c index 4cbcaa6a71e..44140feeffc 100644 --- a/drivers/input/touchscreen/mk712.c +++ b/drivers/input/touchscreen/mk712.c @@ -96,15 +96,13 @@ static irqreturn_t mk712_interrupt(int irq, void *dev_id) goto end; } - if (~status & MK712_STATUS_TOUCH) - { + if (~status & MK712_STATUS_TOUCH) { debounce = 1; input_report_key(mk712_dev, BTN_TOUCH, 0); goto end; } - if (debounce) - { + if (debounce) { debounce = 0; goto end; } @@ -113,8 +111,7 @@ static irqreturn_t mk712_interrupt(int irq, void *dev_id) input_report_abs(mk712_dev, ABS_X, last_x); input_report_abs(mk712_dev, ABS_Y, last_y); -end: - + end: last_x = inw(mk712_io + MK712_X) & 0x0fff; last_y = inw(mk712_io + MK712_Y) & 0x0fff; input_sync(mk712_dev); @@ -169,13 +166,14 @@ static int __init mk712_init(void) (inw(mk712_io + MK712_STATUS) & 0xf333)) { printk(KERN_WARNING "mk712: device not present\n"); err = -ENODEV; - goto fail; + goto fail1; } - if (!(mk712_dev = input_allocate_device())) { + mk712_dev = input_allocate_device(); + if (!mk712_dev) { printk(KERN_ERR "mk712: not enough memory\n"); err = -ENOMEM; - goto fail; + goto fail1; } mk712_dev->name = "ICS MicroClock MK712 TouchScreen"; @@ -196,13 +194,17 @@ static int __init mk712_init(void) if (request_irq(mk712_irq, mk712_interrupt, 0, "mk712", mk712_dev)) { printk(KERN_WARNING "mk712: unable to get IRQ\n"); err = -EBUSY; - goto fail; + goto fail1; } - input_register_device(mk712_dev); + err = input_register_device(mk712_dev); + if (err) + goto fail2; + return 0; - fail: input_free_device(mk712_dev); + fail2: free_irq(mk712_irq, mk712_dev); + fail1: input_free_device(mk712_dev); release_region(mk712_io, 8); return err; } diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c index 3b4c61664b6..c66b399774f 100644 --- a/drivers/input/touchscreen/mtouch.c +++ b/drivers/input/touchscreen/mtouch.c @@ -137,7 +137,7 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv) input_dev = input_allocate_device(); if (!mtouch || !input_dev) { err = -ENOMEM; - goto fail; + goto fail1; } mtouch->serio = serio; @@ -160,14 +160,17 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; - input_register_device(mtouch->dev); + err = input_register_device(mtouch->dev); + if (err) + goto fail3; return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(mtouch); return err; } -- cgit v1.2.3 From 127278ce2254c61f1346500374d61e33f74a8729 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 5 Nov 2006 22:40:09 -0500 Subject: Input: joysticks - handle errors when registering input devices Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/adi.c | 10 +++++++++- drivers/input/joystick/amijoy.c | 6 +++++- drivers/input/joystick/analog.c | 10 ++++++++-- drivers/input/joystick/cobra.c | 7 +++++-- drivers/input/joystick/gf2k.c | 4 +++- drivers/input/joystick/grip_mp.c | 13 +++++++++++-- drivers/input/joystick/guillemot.c | 4 +++- drivers/input/joystick/iforce/iforce-main.c | 17 ++++++++++------- drivers/input/joystick/iforce/iforce-serio.c | 20 +++++++++----------- drivers/input/joystick/interact.c | 4 +++- drivers/input/joystick/magellan.c | 14 +++++++++----- drivers/input/joystick/spaceball.c | 14 +++++++++----- drivers/input/joystick/spaceorb.c | 14 +++++++++----- drivers/input/joystick/stinger.c | 14 +++++++++----- drivers/input/joystick/twidjoy.c | 14 +++++++++----- drivers/input/joystick/warrior.c | 14 +++++++++----- 16 files changed, 120 insertions(+), 59 deletions(-) (limited to 'drivers') diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c index 704bf70f1db..6279ced8a35 100644 --- a/drivers/input/joystick/adi.c +++ b/drivers/input/joystick/adi.c @@ -521,11 +521,19 @@ static int adi_connect(struct gameport *gameport, struct gameport_driver *drv) for (i = 0; i < 2; i++) if (port->adi[i].length > 0) { adi_init_center(port->adi + i); - input_register_device(port->adi[i].dev); + err = input_register_device(port->adi[i].dev); + if (err) + goto fail3; } return 0; + fail3: while (--i >= 0) { + if (port->adi[i].length > 0) { + input_unregister_device(port->adi[i].dev); + port->adi[i].dev = NULL; + } + } fail2: for (i = 0; i < 2; i++) if (port->adi[i].dev) input_free_device(port->adi[i].dev); diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c index 650acf3a30b..e608691b5a6 100644 --- a/drivers/input/joystick/amijoy.c +++ b/drivers/input/joystick/amijoy.c @@ -147,7 +147,11 @@ static int __init amijoy_init(void) amijoy_dev[i]->absmax[ABS_X + j] = 1; } - input_register_device(amijoy_dev[i]); + err = input_register_device(amijoy_dev[i]); + if (err) { + input_free_device(amijoy_dev[i]); + goto fail; + } } return 0; diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c index e9a02db36ec..7ef68456d7d 100644 --- a/drivers/input/joystick/analog.c +++ b/drivers/input/joystick/analog.c @@ -434,6 +434,7 @@ static int analog_init_device(struct analog_port *port, struct analog *analog, i { struct input_dev *input_dev; int i, j, t, v, w, x, y, z; + int error; analog_name(analog); snprintf(analog->phys, sizeof(analog->phys), @@ -505,7 +506,11 @@ static int analog_init_device(struct analog_port *port, struct analog *analog, i analog_decode(analog, port->axes, port->initial, port->buttons); - input_register_device(analog->dev); + error = input_register_device(analog->dev); + if (error) { + input_free_device(analog->dev); + return error; + } return 0; } @@ -668,7 +673,8 @@ static int analog_connect(struct gameport *gameport, struct gameport_driver *drv return 0; fail3: while (--i >= 0) - input_unregister_device(port->analog[i].dev); + if (port->analog[i].mask) + input_unregister_device(port->analog[i].dev); fail2: gameport_close(gameport); fail1: gameport_set_drvdata(gameport, NULL); kfree(port); diff --git a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c index d5e42eb88a2..034ec39c251 100644 --- a/drivers/input/joystick/cobra.c +++ b/drivers/input/joystick/cobra.c @@ -223,12 +223,15 @@ static int cobra_connect(struct gameport *gameport, struct gameport_driver *drv) for (j = 0; cobra_btn[j]; j++) set_bit(cobra_btn[j], input_dev->keybit); - input_register_device(cobra->dev[i]); + err = input_register_device(cobra->dev[i]); + if (err) + goto fail4; } return 0; - fail3: for (i = 0; i < 2; i++) + fail4: input_free_device(cobra->dev[i]); + fail3: while (--i >= 0) if (cobra->dev[i]) input_unregister_device(cobra->dev[i]); fail2: gameport_close(gameport); diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c index e4a699f6ec8..bacbab5d1b6 100644 --- a/drivers/input/joystick/gf2k.c +++ b/drivers/input/joystick/gf2k.c @@ -341,7 +341,9 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv) input_dev->absflat[gf2k_abs[i]] = (i < 2) ? 24 : 0; } - input_register_device(gf2k->dev); + err = input_register_device(gf2k->dev); + if (err) + goto fail2; return 0; diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c index 62438944a69..8120a9c4077 100644 --- a/drivers/input/joystick/grip_mp.c +++ b/drivers/input/joystick/grip_mp.c @@ -423,7 +423,10 @@ static int get_and_decode_packet(struct grip_mp *grip, int flags) if (!port->registered) { dbg("New Grip pad in multiport slot %d.\n", slot); - register_slot(slot, grip); + if (register_slot(slot, grip)) { + port->mode = GRIP_MODE_RESET; + port->dirty = 0; + } } return flags; } @@ -585,6 +588,7 @@ static int register_slot(int slot, struct grip_mp *grip) struct grip_port *port = grip->port[slot]; struct input_dev *input_dev; int j, t; + int err; port->dev = input_dev = input_allocate_device(); if (!input_dev) @@ -610,7 +614,12 @@ static int register_slot(int slot, struct grip_mp *grip) if (t > 0) set_bit(t, input_dev->keybit); - input_register_device(port->dev); + err = input_register_device(port->dev); + if (err) { + input_free_device(port->dev); + return err; + } + port->registered = 1; if (port->dirty) /* report initial state, if any */ diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c index 840ed9b512b..dbc5d92858b 100644 --- a/drivers/input/joystick/guillemot.c +++ b/drivers/input/joystick/guillemot.c @@ -250,7 +250,9 @@ static int guillemot_connect(struct gameport *gameport, struct gameport_driver * for (i = 0; (t = guillemot->type->btn[i]) >= 0; i++) set_bit(t, input_dev->keybit); - input_register_device(guillemot->dev); + err = input_register_device(guillemot->dev); + if (err) + goto fail2; return 0; diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c index 24c684bc633..706e0aea793 100644 --- a/drivers/input/joystick/iforce/iforce-main.c +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -325,8 +325,8 @@ int iforce_init_device(struct iforce *iforce) if (i == 20) { /* 5 seconds */ printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n"); - input_free_device(input_dev); - return -ENODEV; + error = -ENODEV; + goto fail; } /* @@ -439,10 +439,8 @@ int iforce_init_device(struct iforce *iforce) set_bit(iforce->type->ff[i], input_dev->ffbit); error = input_ff_create(input_dev, ff_effects); - if (error) { - input_free_device(input_dev); - return error; - } + if (error) + goto fail; ff = input_dev->ff; ff->upload = iforce_upload_effect; @@ -455,11 +453,16 @@ int iforce_init_device(struct iforce *iforce) * Register input device. */ - input_register_device(iforce->dev); + error = input_register_device(iforce->dev); + if (error) + goto fail; printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open); return 0; + + fail: input_free_device(input_dev); + return error; } static int __init iforce_init(void) diff --git a/drivers/input/joystick/iforce/iforce-serio.c b/drivers/input/joystick/iforce/iforce-serio.c index ca08f45c204..ec4be535f48 100644 --- a/drivers/input/joystick/iforce/iforce-serio.c +++ b/drivers/input/joystick/iforce/iforce-serio.c @@ -141,21 +141,19 @@ static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv) serio_set_drvdata(serio, iforce); err = serio_open(serio, drv); - if (err) { - serio_set_drvdata(serio, NULL); - kfree(iforce); - return err; - } + if (err) + goto fail1; err = iforce_init_device(iforce); - if (err) { - serio_close(serio); - serio_set_drvdata(serio, NULL); - kfree(iforce); - return -ENODEV; - } + if (err) + goto fail2; return 0; + + fail2: serio_close(serio); + fail1: serio_set_drvdata(serio, NULL); + kfree(iforce); + return err; } static void iforce_serio_disconnect(struct serio *serio) diff --git a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c index bbfeb9c59b8..fec8b3d0967 100644 --- a/drivers/input/joystick/interact.c +++ b/drivers/input/joystick/interact.c @@ -283,7 +283,9 @@ static int interact_connect(struct gameport *gameport, struct gameport_driver *d for (i = 0; (t = interact_type[interact->type].btn[i]) >= 0; i++) set_bit(t, input_dev->keybit); - input_register_device(interact->dev); + err = input_register_device(interact->dev); + if (err) + goto fail2; return 0; diff --git a/drivers/input/joystick/magellan.c b/drivers/input/joystick/magellan.c index e3d19444ba2..d512b0a0282 100644 --- a/drivers/input/joystick/magellan.c +++ b/drivers/input/joystick/magellan.c @@ -157,7 +157,7 @@ static int magellan_connect(struct serio *serio, struct serio_driver *drv) magellan = kzalloc(sizeof(struct magellan), GFP_KERNEL); input_dev = input_allocate_device(); if (!magellan || !input_dev) - goto fail; + goto fail1; magellan->dev = input_dev; snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys); @@ -183,13 +183,17 @@ static int magellan_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(magellan->dev); + if (err) + goto fail3; - input_register_device(magellan->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(magellan); return err; } diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c index 2a9808cf826..9b3597343c1 100644 --- a/drivers/input/joystick/spaceball.c +++ b/drivers/input/joystick/spaceball.c @@ -215,7 +215,7 @@ static int spaceball_connect(struct serio *serio, struct serio_driver *drv) spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL); input_dev = input_allocate_device(); if (!spaceball || !input_dev) - goto fail; + goto fail1; spaceball->dev = input_dev; snprintf(spaceball->phys, sizeof(spaceball->phys), "%s/input0", serio->phys); @@ -252,13 +252,17 @@ static int spaceball_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(spaceball->dev); + if (err) + goto fail3; - input_register_device(spaceball->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(spaceball); return err; } diff --git a/drivers/input/joystick/spaceorb.c b/drivers/input/joystick/spaceorb.c index c4db0247c5f..ea9d51e70a1 100644 --- a/drivers/input/joystick/spaceorb.c +++ b/drivers/input/joystick/spaceorb.c @@ -172,7 +172,7 @@ static int spaceorb_connect(struct serio *serio, struct serio_driver *drv) spaceorb = kzalloc(sizeof(struct spaceorb), GFP_KERNEL); input_dev = input_allocate_device(); if (!spaceorb || !input_dev) - goto fail; + goto fail1; spaceorb->dev = input_dev; snprintf(spaceorb->phys, sizeof(spaceorb->phys), "%s/input0", serio->phys); @@ -198,13 +198,17 @@ static int spaceorb_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(spaceorb->dev); + if (err) + goto fail3; - input_register_device(spaceorb->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(spaceorb); return err; } diff --git a/drivers/input/joystick/stinger.c b/drivers/input/joystick/stinger.c index 1ffb0322331..b51a4a4c7f6 100644 --- a/drivers/input/joystick/stinger.c +++ b/drivers/input/joystick/stinger.c @@ -143,7 +143,7 @@ static int stinger_connect(struct serio *serio, struct serio_driver *drv) stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL); input_dev = input_allocate_device(); if (!stinger || !input_dev) - goto fail; + goto fail1; stinger->dev = input_dev; snprintf(stinger->phys, sizeof(stinger->phys), "%s/serio0", serio->phys); @@ -168,13 +168,17 @@ static int stinger_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(stinger->dev); + if (err) + goto fail3; - input_register_device(stinger->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(stinger); return err; } diff --git a/drivers/input/joystick/twidjoy.c b/drivers/input/joystick/twidjoy.c index 49085df2d63..3c1c83e8609 100644 --- a/drivers/input/joystick/twidjoy.c +++ b/drivers/input/joystick/twidjoy.c @@ -194,7 +194,7 @@ static int twidjoy_connect(struct serio *serio, struct serio_driver *drv) twidjoy = kzalloc(sizeof(struct twidjoy), GFP_KERNEL); input_dev = input_allocate_device(); if (!twidjoy || !input_dev) - goto fail; + goto fail1; twidjoy->dev = input_dev; snprintf(twidjoy->phys, sizeof(twidjoy->phys), "%s/input0", serio->phys); @@ -221,13 +221,17 @@ static int twidjoy_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(twidjoy->dev); + if (err) + goto fail3; - input_register_device(twidjoy->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(twidjoy); return err; } diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c index 35edea1ab95..1e4828b9a1a 100644 --- a/drivers/input/joystick/warrior.c +++ b/drivers/input/joystick/warrior.c @@ -149,7 +149,7 @@ static int warrior_connect(struct serio *serio, struct serio_driver *drv) warrior = kzalloc(sizeof(struct warrior), GFP_KERNEL); input_dev = input_allocate_device(); if (!warrior || !input_dev) - goto fail; + goto fail1; warrior->dev = input_dev; snprintf(warrior->phys, sizeof(warrior->phys), "%s/input0", serio->phys); @@ -176,13 +176,17 @@ static int warrior_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; + + err = input_register_device(warrior->dev); + if (err) + goto fail3; - input_register_device(warrior->dev); return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(warrior); return err; } -- cgit v1.2.3 From 721556150e397f606a3f029736d77a27503f94e2 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 5 Nov 2006 22:40:19 -0500 Subject: Input: mice - handle errors when registering input devices Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/amimouse.c | 11 ++++- drivers/input/mouse/inport.c | 23 ++++++++--- drivers/input/mouse/logibm.c | 24 ++++++++--- drivers/input/mouse/pc110pad.c | 26 ++++++++---- drivers/input/mouse/psmouse-base.c | 84 ++++++++++++++++++++++++++------------ drivers/input/mouse/rpcmouse.c | 20 +++++++-- drivers/input/mouse/sermouse.c | 13 +++--- drivers/input/mouse/vsxxxaa.c | 13 +++--- 8 files changed, 154 insertions(+), 60 deletions(-) (limited to 'drivers') diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c index 599a7b2dc51..239a0e16d91 100644 --- a/drivers/input/mouse/amimouse.c +++ b/drivers/input/mouse/amimouse.c @@ -95,10 +95,13 @@ static void amimouse_close(struct input_dev *dev) static int __init amimouse_init(void) { + int err; + if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_MOUSE)) return -ENODEV; - if (!(amimouse_dev = input_allocate_device())) + amimouse_dev = input_allocate_device(); + if (!amimouse_dev) return -ENOMEM; amimouse_dev->name = "Amiga mouse"; @@ -114,7 +117,11 @@ static int __init amimouse_init(void) amimouse_dev->open = amimouse_open; amimouse_dev->close = amimouse_close; - input_register_device(amimouse_dev); + err = input_register_device(amimouse_dev); + if (err) { + input_free_device(amimouse_dev); + return err; + } return 0; } diff --git a/drivers/input/mouse/inport.c b/drivers/input/mouse/inport.c index e1252fa9a10..13dd96785e3 100644 --- a/drivers/input/mouse/inport.c +++ b/drivers/input/mouse/inport.c @@ -135,6 +135,7 @@ static void inport_close(struct input_dev *dev) static int __init inport_init(void) { unsigned char a, b, c; + int err; if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) { printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE); @@ -145,15 +146,16 @@ static int __init inport_init(void) b = inb(INPORT_SIGNATURE_PORT); c = inb(INPORT_SIGNATURE_PORT); if (a == b || a != c) { - release_region(INPORT_BASE, INPORT_EXTENT); printk(KERN_ERR "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE); - return -ENODEV; + err = -ENODEV; + goto err_release_region; } - if (!(inport_dev = input_allocate_device())) { + inport_dev = input_allocate_device(); + if (!inport_dev) { printk(KERN_ERR "inport.c: Not enough memory for input device\n"); - release_region(INPORT_BASE, INPORT_EXTENT); - return -ENOMEM; + err = -ENOMEM; + goto err_release_region; } inport_dev->name = INPORT_NAME; @@ -174,9 +176,18 @@ static int __init inport_init(void) outb(INPORT_REG_MODE, INPORT_CONTROL_PORT); outb(INPORT_MODE_BASE, INPORT_DATA_PORT); - input_register_device(inport_dev); + err = input_register_device(inport_dev); + if (err) + goto err_free_dev; return 0; + + err_free_dev: + input_free_device(inport_dev); + err_release_region: + release_region(INPORT_BASE, INPORT_EXTENT); + + return err; } static void __exit inport_exit(void) diff --git a/drivers/input/mouse/logibm.c b/drivers/input/mouse/logibm.c index 8e9c2f3d69a..db205995bff 100644 --- a/drivers/input/mouse/logibm.c +++ b/drivers/input/mouse/logibm.c @@ -124,6 +124,8 @@ static void logibm_close(struct input_dev *dev) static int __init logibm_init(void) { + int err; + if (!request_region(LOGIBM_BASE, LOGIBM_EXTENT, "logibm")) { printk(KERN_ERR "logibm.c: Can't allocate ports at %#x\n", LOGIBM_BASE); return -EBUSY; @@ -134,18 +136,19 @@ static int __init logibm_init(void) udelay(100); if (inb(LOGIBM_SIGNATURE_PORT) != LOGIBM_SIGNATURE_BYTE) { - release_region(LOGIBM_BASE, LOGIBM_EXTENT); printk(KERN_ERR "logibm.c: Didn't find Logitech busmouse at %#x\n", LOGIBM_BASE); - return -ENODEV; + err = -ENODEV; + goto err_release_region; } outb(LOGIBM_DEFAULT_MODE, LOGIBM_CONFIG_PORT); outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT); - if (!(logibm_dev = input_allocate_device())) { + logibm_dev = input_allocate_device(); + if (!logibm_dev) { printk(KERN_ERR "logibm.c: Not enough memory for input device\n"); - release_region(LOGIBM_BASE, LOGIBM_EXTENT); - return -ENOMEM; + err = -ENOMEM; + goto err_release_region; } logibm_dev->name = "Logitech bus mouse"; @@ -162,9 +165,18 @@ static int __init logibm_init(void) logibm_dev->open = logibm_open; logibm_dev->close = logibm_close; - input_register_device(logibm_dev); + err = input_register_device(logibm_dev); + if (err) + goto err_free_dev; return 0; + + err_free_dev: + input_free_device(logibm_dev); + err_release_region: + release_region(LOGIBM_BASE, LOGIBM_EXTENT); + + return err; } static void __exit logibm_exit(void) diff --git a/drivers/input/mouse/pc110pad.c b/drivers/input/mouse/pc110pad.c index 8c075aa7223..f155c1fea04 100644 --- a/drivers/input/mouse/pc110pad.c +++ b/drivers/input/mouse/pc110pad.c @@ -108,6 +108,7 @@ static int pc110pad_open(struct input_dev *dev) static int __init pc110pad_init(void) { struct pci_dev *dev; + int err; dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL); if (dev) { @@ -124,16 +125,16 @@ static int __init pc110pad_init(void) outb(PC110PAD_OFF, pc110pad_io + 2); if (request_irq(pc110pad_irq, pc110pad_interrupt, 0, "pc110pad", NULL)) { - release_region(pc110pad_io, 4); printk(KERN_ERR "pc110pad: Unable to get irq %d.\n", pc110pad_irq); - return -EBUSY; + err = -EBUSY; + goto err_release_region; } - if (!(pc110pad_dev = input_allocate_device())) { - free_irq(pc110pad_irq, NULL); - release_region(pc110pad_io, 4); + pc110pad_dev = input_allocate_device(); + if (!pc110pad_dev) { printk(KERN_ERR "pc110pad: Not enough memory.\n"); - return -ENOMEM; + err = -ENOMEM; + goto err_free_irq; } pc110pad_dev->name = "IBM PC110 TouchPad"; @@ -153,9 +154,20 @@ static int __init pc110pad_init(void) pc110pad_dev->open = pc110pad_open; pc110pad_dev->close = pc110pad_close; - input_register_device(pc110pad_dev); + err = input_register_device(pc110pad_dev); + if (err) + goto err_free_dev; return 0; + + err_free_dev: + input_free_device(pc110pad_dev); + err_free_irq: + free_irq(pc110pad_irq, NULL); + err_release_region: + release_region(pc110pad_io, 4); + + return err; } static void __exit pc110pad_exit(void) diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 6f9b2c7cc9c..9144df65e70 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1102,7 +1102,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) { struct psmouse *psmouse, *parent = NULL; struct input_dev *input_dev; - int retval = -ENOMEM; + int retval = 0, error = -ENOMEM; mutex_lock(&psmouse_mutex); @@ -1118,7 +1118,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) psmouse = kzalloc(sizeof(struct psmouse), GFP_KERNEL); input_dev = input_allocate_device(); if (!psmouse || !input_dev) - goto out; + goto err_free; ps2_init(&psmouse->ps2dev, serio); INIT_WORK(&psmouse->resync_work, psmouse_resync, psmouse); @@ -1129,14 +1129,13 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) serio_set_drvdata(serio, psmouse); - retval = serio_open(serio, drv); - if (retval) - goto out; + error = serio_open(serio, drv); + if (error) + goto err_clear_drvdata; if (psmouse_probe(psmouse) < 0) { - serio_close(serio); - retval = -ENODEV; - goto out; + error = -ENODEV; + goto err_close_serio; } psmouse->rate = psmouse_rate; @@ -1150,30 +1149,44 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); psmouse_initialize(psmouse); - input_register_device(psmouse->dev); + error = input_register_device(psmouse->dev); + if (error) + goto err_protocol_disconnect; if (parent && parent->pt_activate) parent->pt_activate(parent); - sysfs_create_group(&serio->dev.kobj, &psmouse_attribute_group); + error = sysfs_create_group(&serio->dev.kobj, &psmouse_attribute_group); + if (error) + goto err_pt_deactivate; psmouse_activate(psmouse); - retval = 0; - -out: - if (retval) { - serio_set_drvdata(serio, NULL); - input_free_device(input_dev); - kfree(psmouse); - } - + out: /* If this is a pass-through port the parent needs to be re-activated */ if (parent) psmouse_activate(parent); mutex_unlock(&psmouse_mutex); return retval; + + err_pt_deactivate: + if (parent && parent->pt_deactivate) + parent->pt_deactivate(parent); + err_protocol_disconnect: + if (psmouse->disconnect) + psmouse->disconnect(psmouse); + psmouse_set_state(psmouse, PSMOUSE_IGNORE); + err_close_serio: + serio_close(serio); + err_clear_drvdata: + serio_set_drvdata(serio, NULL); + err_free: + input_free_device(input_dev); + kfree(psmouse); + + retval = error; + goto out; } @@ -1365,17 +1378,20 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co { struct serio *serio = psmouse->ps2dev.serio; struct psmouse *parent = NULL; - struct input_dev *new_dev; - const struct psmouse_protocol *proto; + struct input_dev *old_dev, *new_dev; + const struct psmouse_protocol *proto, *old_proto; + int error; int retry = 0; - if (!(proto = psmouse_protocol_by_name(buf, count))) + proto = psmouse_protocol_by_name(buf, count); + if (!proto) return -EINVAL; if (psmouse->type == proto->type) return count; - if (!(new_dev = input_allocate_device())) + new_dev = input_allocate_device(); + if (!new_dev) return -ENOMEM; while (serio->child) { @@ -1408,11 +1424,13 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co parent->pt_deactivate(parent); } + old_dev = psmouse->dev; + old_proto = psmouse_protocol_by_type(psmouse->type); + if (psmouse->disconnect) psmouse->disconnect(psmouse); psmouse_set_state(psmouse, PSMOUSE_IGNORE); - input_unregister_device(psmouse->dev); psmouse->dev = new_dev; psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); @@ -1426,7 +1444,23 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co psmouse_initialize(psmouse); psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); - input_register_device(psmouse->dev); + error = input_register_device(psmouse->dev); + if (error) { + if (psmouse->disconnect) + psmouse->disconnect(psmouse); + + psmouse_set_state(psmouse, PSMOUSE_IGNORE); + input_free_device(new_dev); + psmouse->dev = old_dev; + psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); + psmouse_switch_protocol(psmouse, old_proto); + psmouse_initialize(psmouse); + psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); + + return error; + } + + input_unregister_device(old_dev); if (parent && parent->pt_activate) parent->pt_activate(parent); diff --git a/drivers/input/mouse/rpcmouse.c b/drivers/input/mouse/rpcmouse.c index ea046856961..fbdcfd8eb4e 100644 --- a/drivers/input/mouse/rpcmouse.c +++ b/drivers/input/mouse/rpcmouse.c @@ -66,7 +66,10 @@ static irqreturn_t rpcmouse_irq(int irq, void *dev_id) static int __init rpcmouse_init(void) { - if (!(rpcmouse_dev = input_allocate_device())) + int err; + + rpcmouse_dev = input_allocate_device(); + if (!rpcmouse_dev) return -ENOMEM; rpcmouse_dev->name = "Acorn RiscPC Mouse"; @@ -85,13 +88,22 @@ static int __init rpcmouse_init(void) if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, IRQF_SHARED, "rpcmouse", rpcmouse_dev)) { printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n"); - input_free_device(rpcmouse_dev); - return -EBUSY; + err = -EBUSY; + goto err_free_dev; } - input_register_device(rpcmouse_dev); + err = input_register_device(rpcmouse_dev); + if (err) + goto err_free_irq; return 0; + + err_free_irq: + free_irq(IRQ_VSYNCPULSE, rpcmouse_dev); + err_free_dev: + input_free_device(rpcmouse_dev); + + return err; } static void __exit rpcmouse_exit(void) diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c index 2a272c5daf0..10b51e7f01f 100644 --- a/drivers/input/mouse/sermouse.c +++ b/drivers/input/mouse/sermouse.c @@ -246,7 +246,7 @@ static int sermouse_connect(struct serio *serio, struct serio_driver *drv) sermouse = kzalloc(sizeof(struct sermouse), GFP_KERNEL); input_dev = input_allocate_device(); if (!sermouse || !input_dev) - goto fail; + goto fail1; sermouse->dev = input_dev; snprintf(sermouse->phys, sizeof(sermouse->phys), "%s/input0", serio->phys); @@ -275,14 +275,17 @@ static int sermouse_connect(struct serio *serio, struct serio_driver *drv) err = serio_open(serio, drv); if (err) - goto fail; + goto fail2; - input_register_device(sermouse->dev); + err = input_register_device(sermouse->dev); + if (err) + goto fail3; return 0; - fail: serio_set_drvdata(serio, NULL); - input_free_device(input_dev); + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); kfree(sermouse); return err; } diff --git a/drivers/input/mouse/vsxxxaa.c b/drivers/input/mouse/vsxxxaa.c index ffdb50eee93..ffd0d6624a8 100644 --- a/drivers/input/mouse/vsxxxaa.c +++ b/drivers/input/mouse/vsxxxaa.c @@ -497,7 +497,7 @@ vsxxxaa_connect (struct serio *serio, struct serio_driver *drv) mouse = kzalloc (sizeof (struct vsxxxaa), GFP_KERNEL); input_dev = input_allocate_device (); if (!mouse || !input_dev) - goto fail; + goto fail1; mouse->dev = input_dev; mouse->serio = serio; @@ -527,7 +527,7 @@ vsxxxaa_connect (struct serio *serio, struct serio_driver *drv) err = serio_open (serio, drv); if (err) - goto fail; + goto fail2; /* * Request selftest. Standard packet format and differential @@ -535,12 +535,15 @@ vsxxxaa_connect (struct serio *serio, struct serio_driver *drv) */ serio->write (serio, 'T'); /* Test */ - input_register_device (input_dev); + err = input_register_device (input_dev); + if (err) + goto fail3; return 0; - fail: serio_set_drvdata (serio, NULL); - input_free_device (input_dev); + fail3: serio_close (serio); + fail2: serio_set_drvdata (serio, NULL); + fail1: input_free_device (input_dev); kfree (mouse); return err; } -- cgit v1.2.3 From 6b15484ccb91e85100cf164067bf3bc6c5038726 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Thu, 2 Nov 2006 13:13:22 +0100 Subject: ACPI: Get rid of 'unused variable' warning in acpi_ev_global_lock_handler() Fix this warning : drivers/acpi/events/evmisc.c: In function `acpi_ev_global_lock_handler': drivers/acpi/events/evmisc.c:334: warning: unused variable `status' Signed-off-by: Jesper Juhl Signed-off-by: Len Brown --- drivers/acpi/events/evmisc.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index ee2a10bf907..bf63edc6608 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -331,7 +331,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context) static u32 acpi_ev_global_lock_handler(void *context) { u8 acquired = FALSE; - acpi_status status; /* * Attempt to get the lock -- cgit v1.2.3 From b7b09b1cdf4de7e28424250972d4a5526e5bdfb9 Mon Sep 17 00:00:00 2001 From: Satoru Takeuchi Date: Thu, 2 Nov 2006 19:08:57 +0900 Subject: ACPI: update comment Fixing wrong description for acpi_gpe_sleep_prepare(). acpi_gpe_sleep_prepare() had only used on power off and was changed to also used on entering some sleep state. However its description isn't changed yet. Signed-off-by: Satoru Takeuchi Signed-off-by: Len Brown --- drivers/acpi/sleep/wakeup.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index af1dbabaf0b..fab8f2694f0 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c @@ -183,11 +183,11 @@ late_initcall(acpi_wakeup_device_init); #endif /* - * Disable all wakeup GPEs before power off. - * + * Disable all wakeup GPEs before entering requested sleep state. + * @sleep_state: ACPI state * Since acpi_enter_sleep_state() will disable all * RUNTIME GPEs, we simply mark all GPES that - * are not enabled for wakeup from S5 as RUNTIME. + * are not enabled for wakeup from requested state as RUNTIME. */ void acpi_gpe_sleep_prepare(u32 sleep_state) { -- cgit v1.2.3 From e08f5f5bb5dfaaa28d69ffe37eb774533297657f Mon Sep 17 00:00:00 2001 From: Gautham R Shenoy Date: Thu, 26 Oct 2006 16:20:58 +0530 Subject: [CPUFREQ] Fix coding style issues in cpufreq. Clean up cpufreq subsystem to fix coding style issues and to improve the readability. Signed-off-by: Gautham R Shenoy Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq.c | 136 ++++++++++++++++++++++----------- drivers/cpufreq/cpufreq_conservative.c | 23 ++++-- drivers/cpufreq/cpufreq_ondemand.c | 12 ++- drivers/cpufreq/cpufreq_performance.c | 9 ++- drivers/cpufreq/cpufreq_powersave.c | 9 ++- drivers/cpufreq/cpufreq_stats.c | 11 +-- drivers/cpufreq/freq_table.c | 28 ++++--- 7 files changed, 150 insertions(+), 78 deletions(-) (limited to 'drivers') diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 56c433e64d5..0c18ac2fe7c 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -29,7 +29,8 @@ #include #include -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "cpufreq-core", msg) +#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, \ + "cpufreq-core", msg) /** * The "cpufreq driver" - the arch- or hardware-dependent low @@ -41,7 +42,8 @@ static struct cpufreq_policy *cpufreq_cpu_data[NR_CPUS]; static DEFINE_SPINLOCK(cpufreq_driver_lock); /* internal prototypes */ -static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event); +static int __cpufreq_governor(struct cpufreq_policy *policy, + unsigned int event); static void handle_update(void *data); /** @@ -151,7 +153,8 @@ static void cpufreq_debug_disable_ratelimit(void) spin_unlock_irqrestore(&disable_ratelimit_lock, flags); } -void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt, ...) +void cpufreq_debug_printk(unsigned int type, const char *prefix, + const char *fmt, ...) { char s[256]; va_list args; @@ -161,7 +164,8 @@ void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt WARN_ON(!prefix); if (type & debug) { spin_lock_irqsave(&disable_ratelimit_lock, flags); - if (!disable_ratelimit && debug_ratelimit && !printk_ratelimit()) { + if (!disable_ratelimit && debug_ratelimit + && !printk_ratelimit()) { spin_unlock_irqrestore(&disable_ratelimit_lock, flags); return; } @@ -182,10 +186,12 @@ EXPORT_SYMBOL(cpufreq_debug_printk); module_param(debug, uint, 0644); -MODULE_PARM_DESC(debug, "CPUfreq debugging: add 1 to debug core, 2 to debug drivers, and 4 to debug governors."); +MODULE_PARM_DESC(debug, "CPUfreq debugging: add 1 to debug core," + " 2 to debug drivers, and 4 to debug governors."); module_param(debug_ratelimit, uint, 0644); -MODULE_PARM_DESC(debug_ratelimit, "CPUfreq debugging: set to 0 to disable ratelimiting."); +MODULE_PARM_DESC(debug_ratelimit, "CPUfreq debugging:" + " set to 0 to disable ratelimiting."); #else /* !CONFIG_CPU_FREQ_DEBUG */ @@ -219,17 +225,23 @@ static void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) if (!l_p_j_ref_freq) { l_p_j_ref = loops_per_jiffy; l_p_j_ref_freq = ci->old; - dprintk("saving %lu as reference value for loops_per_jiffy; freq is %u kHz\n", l_p_j_ref, l_p_j_ref_freq); + dprintk("saving %lu as reference value for loops_per_jiffy;" + "freq is %u kHz\n", l_p_j_ref, l_p_j_ref_freq); } if ((val == CPUFREQ_PRECHANGE && ci->old < ci->new) || (val == CPUFREQ_POSTCHANGE && ci->old > ci->new) || (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) { - loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq, ci->new); - dprintk("scaling loops_per_jiffy to %lu for frequency %u kHz\n", loops_per_jiffy, ci->new); + loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq, + ci->new); + dprintk("scaling loops_per_jiffy to %lu" + "for frequency %u kHz\n", loops_per_jiffy, ci->new); } } #else -static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) { return; } +static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) +{ + return; +} #endif @@ -316,7 +328,8 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy, if (!strnicmp(str_governor, "performance", CPUFREQ_NAME_LEN)) { *policy = CPUFREQ_POLICY_PERFORMANCE; err = 0; - } else if (!strnicmp(str_governor, "powersave", CPUFREQ_NAME_LEN)) { + } else if (!strnicmp(str_governor, "powersave", + CPUFREQ_NAME_LEN)) { *policy = CPUFREQ_POLICY_POWERSAVE; err = 0; } @@ -328,7 +341,8 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy, t = __find_governor(str_governor); if (t == NULL) { - char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", str_governor); + char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", + str_governor); if (name) { int ret; @@ -361,7 +375,8 @@ extern struct sysdev_class cpu_sysdev_class; /** - * cpufreq_per_cpu_attr_read() / show_##file_name() - print out cpufreq information + * cpufreq_per_cpu_attr_read() / show_##file_name() - + * print out cpufreq information * * Write out information from cpufreq_driver->policy[cpu]; object must be * "unsigned int". @@ -380,7 +395,8 @@ show_one(scaling_min_freq, min); show_one(scaling_max_freq, max); show_one(scaling_cur_freq, cur); -static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy); +static int __cpufreq_set_policy(struct cpufreq_policy *data, + struct cpufreq_policy *policy); /** * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access @@ -416,7 +432,8 @@ store_one(scaling_max_freq,max); /** * show_cpuinfo_cur_freq - current CPU frequency as detected by hardware */ -static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, char *buf) +static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, + char *buf) { unsigned int cur_freq = cpufreq_get(policy->cpu); if (!cur_freq) @@ -428,7 +445,8 @@ static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, char *buf) /** * show_scaling_governor - show the current policy for the specified CPU */ -static ssize_t show_scaling_governor (struct cpufreq_policy * policy, char *buf) +static ssize_t show_scaling_governor (struct cpufreq_policy * policy, + char *buf) { if(policy->policy == CPUFREQ_POLICY_POWERSAVE) return sprintf(buf, "powersave\n"); @@ -458,7 +476,8 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy, if (ret != 1) return -EINVAL; - if (cpufreq_parse_governor(str_governor, &new_policy.policy, &new_policy.governor)) + if (cpufreq_parse_governor(str_governor, &new_policy.policy, + &new_policy.governor)) return -EINVAL; lock_cpu_hotplug(); @@ -474,7 +493,10 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy, unlock_cpu_hotplug(); - return ret ? ret : count; + if (ret) + return ret; + else + return count; } /** @@ -488,7 +510,7 @@ static ssize_t show_scaling_driver (struct cpufreq_policy * policy, char *buf) /** * show_scaling_available_governors - show the available CPUfreq governors */ -static ssize_t show_scaling_available_governors (struct cpufreq_policy * policy, +static ssize_t show_scaling_available_governors (struct cpufreq_policy *policy, char *buf) { ssize_t i = 0; @@ -574,7 +596,11 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf) policy = cpufreq_cpu_get(policy->cpu); if (!policy) return -EINVAL; - ret = fattr->show ? fattr->show(policy,buf) : -EIO; + if (fattr->show) + ret = fattr->show(policy, buf); + else + ret = -EIO; + cpufreq_cpu_put(policy); return ret; } @@ -588,7 +614,11 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr, policy = cpufreq_cpu_get(policy->cpu); if (!policy) return -EINVAL; - ret = fattr->store ? fattr->store(policy,buf,count) : -EIO; + if (fattr->store) + ret = fattr->store(policy, buf, count); + else + ret = -EIO; + cpufreq_cpu_put(policy); return ret; } @@ -911,7 +941,8 @@ static void handle_update(void *data) * We adjust to current frequency first, and need to clean up later. So either call * to cpufreq_update_policy() or schedule handle_update()). */ -static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigned int new_freq) +static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, + unsigned int new_freq) { struct cpufreq_freqs freqs; @@ -936,16 +967,16 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigne unsigned int cpufreq_quick_get(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - unsigned int ret = 0; + unsigned int ret_freq = 0; if (policy) { mutex_lock(&policy->lock); - ret = policy->cur; + ret_freq = policy->cur; mutex_unlock(&policy->lock); cpufreq_cpu_put(policy); } - return (ret); + return (ret_freq); } EXPORT_SYMBOL(cpufreq_quick_get); @@ -959,7 +990,7 @@ EXPORT_SYMBOL(cpufreq_quick_get); unsigned int cpufreq_get(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - unsigned int ret = 0; + unsigned int ret_freq = 0; if (!policy) return 0; @@ -969,12 +1000,14 @@ unsigned int cpufreq_get(unsigned int cpu) mutex_lock(&policy->lock); - ret = cpufreq_driver->get(cpu); + ret_freq = cpufreq_driver->get(cpu); - if (ret && policy->cur && !(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) { - /* verify no discrepancy between actual and saved value exists */ - if (unlikely(ret != policy->cur)) { - cpufreq_out_of_sync(cpu, policy->cur, ret); + if (ret_freq && policy->cur && + !(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) { + /* verify no discrepancy between actual and + saved value exists */ + if (unlikely(ret_freq != policy->cur)) { + cpufreq_out_of_sync(cpu, policy->cur, ret_freq); schedule_work(&policy->update); } } @@ -984,7 +1017,7 @@ unsigned int cpufreq_get(unsigned int cpu) out: cpufreq_cpu_put(policy); - return (ret); + return (ret_freq); } EXPORT_SYMBOL(cpufreq_get); @@ -996,7 +1029,7 @@ EXPORT_SYMBOL(cpufreq_get); static int cpufreq_suspend(struct sys_device * sysdev, pm_message_t pmsg) { int cpu = sysdev->id; - unsigned int ret = 0; + int ret = 0; unsigned int cur_freq = 0; struct cpufreq_policy *cpu_policy; @@ -1078,7 +1111,7 @@ out: static int cpufreq_resume(struct sys_device * sysdev) { int cpu = sysdev->id; - unsigned int ret = 0; + int ret = 0; struct cpufreq_policy *cpu_policy; dprintk("resuming cpu %u\n", cpu); @@ -1299,17 +1332,20 @@ EXPORT_SYMBOL_GPL(cpufreq_driver_getavg); * when "event" is CPUFREQ_GOV_LIMITS */ -static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event) +static int __cpufreq_governor(struct cpufreq_policy *policy, + unsigned int event) { int ret; if (!try_module_get(policy->governor->owner)) return -EINVAL; - dprintk("__cpufreq_governor for CPU %u, event %u\n", policy->cpu, event); + dprintk("__cpufreq_governor for CPU %u, event %u\n", + policy->cpu, event); ret = policy->governor->governor(policy, event); - /* we keep one module reference alive for each CPU governed by this CPU */ + /* we keep one module reference alive for + each CPU governed by this CPU */ if ((event != CPUFREQ_GOV_START) || ret) module_put(policy->governor->owner); if ((event == CPUFREQ_GOV_STOP) && !ret) @@ -1385,9 +1421,12 @@ EXPORT_SYMBOL(cpufreq_get_policy); /* + * data : current policy. + * policy : policy to be set. * Locking: Must be called with the lock_cpu_hotplug() lock held */ -static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy) +static int __cpufreq_set_policy(struct cpufreq_policy *data, + struct cpufreq_policy *policy) { int ret = 0; @@ -1395,7 +1434,8 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli dprintk("setting new policy for CPU %u: %u - %u kHz\n", policy->cpu, policy->min, policy->max); - memcpy(&policy->cpuinfo, &data->cpuinfo, sizeof(struct cpufreq_cpuinfo)); + memcpy(&policy->cpuinfo, &data->cpuinfo, + sizeof(struct cpufreq_cpuinfo)); if (policy->min > data->min && policy->min > policy->max) { ret = -EINVAL; @@ -1428,7 +1468,8 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli data->min = policy->min; data->max = policy->max; - dprintk("new min and max freqs are %u - %u kHz\n", data->min, data->max); + dprintk("new min and max freqs are %u - %u kHz\n", + data->min, data->max); if (cpufreq_driver->setpolicy) { data->policy = policy->policy; @@ -1449,10 +1490,12 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli data->governor = policy->governor; if (__cpufreq_governor(data, CPUFREQ_GOV_START)) { /* new governor failed, so re-start old one */ - dprintk("starting governor %s failed\n", data->governor->name); + dprintk("starting governor %s failed\n", + data->governor->name); if (old_gov) { data->governor = old_gov; - __cpufreq_governor(data, CPUFREQ_GOV_START); + __cpufreq_governor(data, + CPUFREQ_GOV_START); } ret = -EINVAL; goto error_out; @@ -1542,7 +1585,8 @@ int cpufreq_update_policy(unsigned int cpu) data->cur = policy.cur; } else { if (data->cur != policy.cur) - cpufreq_out_of_sync(cpu, data->cur, policy.cur); + cpufreq_out_of_sync(cpu, data->cur, + policy.cur); } } @@ -1646,8 +1690,10 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) /* if all ->init() calls failed, unregister */ if (ret) { - dprintk("no CPU initialized for driver %s\n", driver_data->name); - sysdev_driver_unregister(&cpu_sysdev_class, &cpufreq_sysdev_driver); + dprintk("no CPU initialized for driver %s\n", + driver_data->name); + sysdev_driver_unregister(&cpu_sysdev_class, + &cpufreq_sysdev_driver); spin_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver = NULL; diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 8fe13ec1e50..29905b4bf8c 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -44,15 +44,17 @@ * latency of the processor. The governor will work on any processor with * transition latency <= 10mS, using appropriate sampling * rate. - * For CPUs with transition latency > 10mS (mostly drivers with CPUFREQ_ETERNAL) - * this governor will not work. + * For CPUs with transition latency > 10mS (mostly drivers + * with CPUFREQ_ETERNAL), this governor will not work. * All times here are in uS. */ static unsigned int def_sampling_rate; #define MIN_SAMPLING_RATE_RATIO (2) /* for correct statistics, we need at least 10 ticks between each measure */ -#define MIN_STAT_SAMPLING_RATE (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) -#define MIN_SAMPLING_RATE (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) +#define MIN_STAT_SAMPLING_RATE \ + (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) +#define MIN_SAMPLING_RATE \ + (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) #define MAX_SAMPLING_RATE (500 * def_sampling_rate) #define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER (1000) #define DEF_SAMPLING_DOWN_FACTOR (1) @@ -103,11 +105,16 @@ static struct dbs_tuners dbs_tuners_ins = { static inline unsigned int get_cpu_idle_time(unsigned int cpu) { - return kstat_cpu(cpu).cpustat.idle + + unsigned int add_nice = 0, ret; + + if (dbs_tuners_ins.ignore_nice) + add_nice = kstat_cpu(cpu).cpustat.nice; + + ret = kstat_cpu(cpu).cpustat.idle + kstat_cpu(cpu).cpustat.iowait + - ( dbs_tuners_ins.ignore_nice ? - kstat_cpu(cpu).cpustat.nice : - 0); + add_nice; + + return ret; } /************************** sysfs interface ************************/ diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index cbde076b571..048ec8b1f40 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -41,8 +41,10 @@ static unsigned int def_sampling_rate; #define MIN_SAMPLING_RATE_RATIO (2) /* for correct statistics, we need at least 10 ticks between each measure */ -#define MIN_STAT_SAMPLING_RATE (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) -#define MIN_SAMPLING_RATE (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) +#define MIN_STAT_SAMPLING_RATE \ + (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) +#define MIN_SAMPLING_RATE \ + (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) #define MAX_SAMPLING_RATE (500 * def_sampling_rate) #define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER (1000) #define TRANSITION_LATENCY_LIMIT (10 * 1000) @@ -202,7 +204,8 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused, ret = sscanf(buf, "%u", &input); mutex_lock(&dbs_mutex); - if (ret != 1 || input > MAX_SAMPLING_RATE || input < MIN_SAMPLING_RATE) { + if (ret != 1 || input > MAX_SAMPLING_RATE + || input < MIN_SAMPLING_RATE) { mutex_unlock(&dbs_mutex); return -EINVAL; } @@ -496,7 +499,8 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, if (dbs_enable == 1) { kondemand_wq = create_workqueue("kondemand"); if (!kondemand_wq) { - printk(KERN_ERR "Creation of kondemand failed\n"); + printk(KERN_ERR + "Creation of kondemand failed\n"); dbs_enable--; mutex_unlock(&dbs_mutex); return -ENOSPC; diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c index de91e3371ef..e8e1451ef1c 100644 --- a/drivers/cpufreq/cpufreq_performance.c +++ b/drivers/cpufreq/cpufreq_performance.c @@ -15,7 +15,8 @@ #include #include -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "performance", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "performance", msg) static int cpufreq_governor_performance(struct cpufreq_policy *policy, @@ -24,8 +25,10 @@ static int cpufreq_governor_performance(struct cpufreq_policy *policy, switch (event) { case CPUFREQ_GOV_START: case CPUFREQ_GOV_LIMITS: - dprintk("setting to %u kHz because of event %u\n", policy->max, event); - __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H); + dprintk("setting to %u kHz because of event %u\n", + policy->max, event); + __cpufreq_driver_target(policy, policy->max, + CPUFREQ_RELATION_H); break; default: break; diff --git a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c index 0a2596044e6..13fe06b94b0 100644 --- a/drivers/cpufreq/cpufreq_powersave.c +++ b/drivers/cpufreq/cpufreq_powersave.c @@ -15,7 +15,8 @@ #include #include -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "powersave", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "powersave", msg) static int cpufreq_governor_powersave(struct cpufreq_policy *policy, unsigned int event) @@ -23,8 +24,10 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy, switch (event) { case CPUFREQ_GOV_START: case CPUFREQ_GOV_LIMITS: - dprintk("setting to %u kHz because of event %u\n", policy->min, event); - __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L); + dprintk("setting to %u kHz because of event %u\n", + policy->min, event); + __cpufreq_driver_target(policy, policy->min, + CPUFREQ_RELATION_L); break; default: break; diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index c2ecc599dc5..6742b1adf2c 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -351,8 +351,8 @@ __init cpufreq_stats_init(void) register_hotcpu_notifier(&cpufreq_stat_cpu_notifier); for_each_online_cpu(cpu) { - cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, CPU_ONLINE, - (void *)(long)cpu); + cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, + CPU_ONLINE, (void *)(long)cpu); } return 0; } @@ -368,14 +368,15 @@ __exit cpufreq_stats_exit(void) unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier); lock_cpu_hotplug(); for_each_online_cpu(cpu) { - cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, CPU_DEAD, - (void *)(long)cpu); + cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, + CPU_DEAD, (void *)(long)cpu); } unlock_cpu_hotplug(); } MODULE_AUTHOR ("Zou Nan hai "); -MODULE_DESCRIPTION ("'cpufreq_stats' - A driver to export cpufreq stats through sysfs filesystem"); +MODULE_DESCRIPTION ("'cpufreq_stats' - A driver to export cpufreq stats" + "through sysfs filesystem"); MODULE_LICENSE ("GPL"); module_init(cpufreq_stats_init); diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index 551f4ccf87f..e7490925fdc 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -9,7 +9,8 @@ #include #include -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "freq-table", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "freq-table", msg) /********************************************************************* * FREQUENCY TABLE HELPERS * @@ -29,7 +30,8 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, continue; } - dprintk("table entry %u: %u kHz, %u index\n", i, freq, table[i].index); + dprintk("table entry %u: %u kHz, %u index\n", + i, freq, table[i].index); if (freq < min_freq) min_freq = freq; if (freq > max_freq) @@ -54,13 +56,14 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, unsigned int i; unsigned int count = 0; - dprintk("request for verification of policy (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu); + dprintk("request for verification of policy (%u - %u kHz) for cpu %u\n", + policy->min, policy->max, policy->cpu); if (!cpu_online(policy->cpu)) return -EINVAL; - cpufreq_verify_within_limits(policy, - policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { unsigned int freq = table[i].frequency; @@ -75,10 +78,11 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, if (!count) policy->max = next_larger; - cpufreq_verify_within_limits(policy, - policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); - dprintk("verification lead to (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu); + dprintk("verification lead to (%u - %u kHz) for cpu %u\n", + policy->min, policy->max, policy->cpu); return 0; } @@ -101,7 +105,8 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy, }; unsigned int i; - dprintk("request for target %u kHz (relation: %u) for cpu %u\n", target_freq, relation, policy->cpu); + dprintk("request for target %u kHz (relation: %u) for cpu %u\n", + target_freq, relation, policy->cpu); switch (relation) { case CPUFREQ_RELATION_H: @@ -192,7 +197,10 @@ static ssize_t show_available_freqs (struct cpufreq_policy *policy, char *buf) } struct freq_attr cpufreq_freq_attr_scaling_available_freqs = { - .attr = { .name = "scaling_available_frequencies", .mode = 0444, .owner=THIS_MODULE }, + .attr = { .name = "scaling_available_frequencies", + .mode = 0444, + .owner=THIS_MODULE + }, .show = show_available_freqs, }; EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs); -- cgit v1.2.3 From eb5d5829b368c5e32f248a70797bee5a414a2ef0 Mon Sep 17 00:00:00 2001 From: Sergey Vlasov Date: Thu, 9 Nov 2006 00:34:27 -0500 Subject: Input: psmouse - fix attribute access on 64-bit systems psmouse_show_int_attr() and psmouse_set_int_attr() were accessing unsigned int fields as unsigned long, which gave garbage on x86_64. Signed-off-by: Sergey Vlasov Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/psmouse-base.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 9144df65e70..58beca99a9c 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1349,14 +1349,14 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev static ssize_t psmouse_show_int_attr(struct psmouse *psmouse, void *offset, char *buf) { - unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset); + unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset); - return sprintf(buf, "%lu\n", *field); + return sprintf(buf, "%u\n", *field); } static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const char *buf, size_t count) { - unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset); + unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset); unsigned long value; char *rest; @@ -1364,6 +1364,9 @@ static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const if (*rest) return -EINVAL; + if ((unsigned int)value != value) + return -EINVAL; + *field = value; return count; -- cgit v1.2.3 From c0968f0ea21d10b6720246e1e96bd6a7a161964d Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 9 Nov 2006 00:40:13 -0500 Subject: ACPI: button: register with input layer In addition to signalling button/lid events through /proc/acpi/event, create separate input devices and report KEY_POWER, KEY_SLEEP and SW_LID through input layer. Also remove unnecessary casts and variable initializations, clean up formatting. Sleep button may autorepeat but userspace will have to filter duplicate sleep requests anyway (and discard unprocessed events right after wakeup). Unlike /proc/acpi/event interface input device corresponding to LID switch reports true lid state instead of just a counter. SW_LID is active when lid is closed. The driver now depends on CONFIG_INPUT. Signed-off-by: Dmitry Torokhov Signed-off-by: Len Brown --- drivers/acpi/Kconfig | 1 + drivers/acpi/button.c | 223 +++++++++++++++++++++++++++++++------------------- 2 files changed, 139 insertions(+), 85 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 0f9d4be7ed7..0ed80122967 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -97,6 +97,7 @@ config ACPI_BATTERY config ACPI_BUTTON tristate "Button" + depends on INPUT default y help This driver handles events on the power, sleep and lid buttons. diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 5ef885e82c7..ac860583c20 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -62,7 +63,7 @@ #define _COMPONENT ACPI_BUTTON_COMPONENT ACPI_MODULE_NAME("acpi_button") - MODULE_AUTHOR("Paul Diefenbaugh"); +MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION(ACPI_BUTTON_DRIVER_NAME); MODULE_LICENSE("GPL"); @@ -78,12 +79,14 @@ static struct acpi_driver acpi_button_driver = { .ops = { .add = acpi_button_add, .remove = acpi_button_remove, - }, + }, }; struct acpi_button { struct acpi_device *device; /* Fixed button kludge */ - u8 type; + unsigned int type; + struct input_dev *input; + char phys[32]; /* for input device */ unsigned long pushed; }; @@ -109,8 +112,7 @@ static struct proc_dir_entry *acpi_button_dir; static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) { - struct acpi_button *button = (struct acpi_button *)seq->private; - + struct acpi_button *button = seq->private; if (!button || !button->device) return 0; @@ -128,22 +130,17 @@ static int acpi_button_info_open_fs(struct inode *inode, struct file *file) static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) { - struct acpi_button *button = (struct acpi_button *)seq->private; + struct acpi_button *button = seq->private; acpi_status status; unsigned long state; - if (!button || !button->device) return 0; status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state); - if (ACPI_FAILURE(status)) { - seq_printf(seq, "state: unsupported\n"); - } else { - seq_printf(seq, "state: %s\n", - (state ? "open" : "closed")); - } - + seq_printf(seq, "state: %s\n", + ACPI_FAILURE(status) ? "unsupported" : + (state ? "open" : "closed")); return 0; } @@ -159,8 +156,7 @@ static struct proc_dir_entry *acpi_lid_dir; static int acpi_button_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - struct acpi_button *button = NULL; - + struct acpi_button *button; if (!device || !acpi_driver_data(device)) return -EINVAL; @@ -228,10 +224,8 @@ static int acpi_button_add_fs(struct acpi_device *device) static int acpi_button_remove_fs(struct acpi_device *device) { - struct acpi_button *button = NULL; - + struct acpi_button *button = acpi_driver_data(device); - button = acpi_driver_data(device); if (acpi_device_dir(device)) { if (button->type == ACPI_BUTTON_TYPE_LID) remove_proc_entry(ACPI_BUTTON_FILE_STATE, @@ -253,14 +247,34 @@ static int acpi_button_remove_fs(struct acpi_device *device) static void acpi_button_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_button *button = (struct acpi_button *)data; - + struct acpi_button *button = data; + struct input_dev *input; if (!button || !button->device) return; switch (event) { case ACPI_BUTTON_NOTIFY_STATUS: + input = button->input; + + if (button->type == ACPI_BUTTON_TYPE_LID) { + struct acpi_handle *handle = button->device->handle; + unsigned long state; + + if (!ACPI_FAILURE(acpi_evaluate_integer(handle, "_LID", + NULL, &state))) + input_report_switch(input, SW_LID, !state); + + } else { + int keycode = test_bit(KEY_SLEEP, input->keybit) ? + KEY_SLEEP : KEY_POWER; + + input_report_key(input, keycode, 1); + input_sync(input); + input_report_key(input, keycode, 0); + } + input_sync(input); + acpi_bus_generate_event(button->device, event, ++button->pushed); break; @@ -275,8 +289,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) static acpi_status acpi_button_notify_fixed(void *data) { - struct acpi_button *button = (struct acpi_button *)data; - + struct acpi_button *button = data; if (!button) return AE_BAD_PARAMETER; @@ -286,24 +299,75 @@ static acpi_status acpi_button_notify_fixed(void *data) return AE_OK; } -static int acpi_button_add(struct acpi_device *device) +static int acpi_button_install_notify_handlers(struct acpi_button *button) { - int result = 0; - acpi_status status = AE_OK; - struct acpi_button *button = NULL; + acpi_status status; + switch (button->type) { + case ACPI_BUTTON_TYPE_POWERF: + status = + acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_button_notify_fixed, + button); + break; + case ACPI_BUTTON_TYPE_SLEEPF: + status = + acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_button_notify_fixed, + button); + break; + default: + status = acpi_install_notify_handler(button->device->handle, + ACPI_DEVICE_NOTIFY, + acpi_button_notify, + button); + break; + } + + return ACPI_FAILURE(status) ? -ENODEV : 0; +} + +static void acpi_button_remove_notify_handlers(struct acpi_button *button) +{ + switch (button->type) { + case ACPI_BUTTON_TYPE_POWERF: + acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_button_notify_fixed); + break; + case ACPI_BUTTON_TYPE_SLEEPF: + acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_button_notify_fixed); + break; + default: + acpi_remove_notify_handler(button->device->handle, + ACPI_DEVICE_NOTIFY, + acpi_button_notify); + break; + } +} + +static int acpi_button_add(struct acpi_device *device) +{ + int error; + struct acpi_button *button; + struct input_dev *input; if (!device) return -EINVAL; - button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL); + button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL); if (!button) return -ENOMEM; - memset(button, 0, sizeof(struct acpi_button)); button->device = device; acpi_driver_data(device) = button; + button->input = input = input_allocate_device(); + if (!input) { + error = -ENOMEM; + goto err_free_button; + } + /* * Determine the button type (via hid), as fixed-feature buttons * need to be handled a bit differently than generic-space. @@ -338,39 +402,48 @@ static int acpi_button_add(struct acpi_device *device) } else { printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", acpi_device_hid(device)); - result = -ENODEV; - goto end; + error = -ENODEV; + goto err_free_input; } - result = acpi_button_add_fs(device); - if (result) - goto end; + error = acpi_button_add_fs(device); + if (error) + goto err_free_input; + + error = acpi_button_install_notify_handlers(button); + if (error) + goto err_remove_fs; + + snprintf(button->phys, sizeof(button->phys), + "%s/button/input0", acpi_device_hid(device)); + + input->name = acpi_device_name(device); + input->phys = button->phys; + input->id.bustype = BUS_HOST; + input->id.product = button->type; switch (button->type) { + case ACPI_BUTTON_TYPE_POWER: case ACPI_BUTTON_TYPE_POWERF: - status = - acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_button_notify_fixed, - button); + input->evbit[0] = BIT(EV_KEY); + set_bit(KEY_POWER, input->keybit); break; + + case ACPI_BUTTON_TYPE_SLEEP: case ACPI_BUTTON_TYPE_SLEEPF: - status = - acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_button_notify_fixed, - button); + input->evbit[0] = BIT(EV_KEY); + set_bit(KEY_SLEEP, input->keybit); break; - default: - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_button_notify, - button); + + case ACPI_BUTTON_TYPE_LID: + input->evbit[0] = BIT(EV_SW); + set_bit(SW_LID, input->swbit); break; } - if (ACPI_FAILURE(status)) { - result = -ENODEV; - goto end; - } + error = input_register_device(input); + if (error) + goto err_remove_handlers; if (device->wakeup.flags.valid) { /* Button's GPE is run-wake GPE */ @@ -385,47 +458,31 @@ static int acpi_button_add(struct acpi_device *device) printk(KERN_INFO PREFIX "%s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); - end: - if (result) { - acpi_button_remove_fs(device); - kfree(button); - } + return 0; - return result; + err_remove_handlers: + acpi_button_remove_notify_handlers(button); + err_remove_fs: + acpi_button_remove_fs(device); + err_free_input: + input_free_device(input); + err_free_button: + kfree(button); + return error; } static int acpi_button_remove(struct acpi_device *device, int type) { - acpi_status status = 0; - struct acpi_button *button = NULL; - + struct acpi_button *button; if (!device || !acpi_driver_data(device)) return -EINVAL; button = acpi_driver_data(device); - /* Unregister for device notifications. */ - switch (button->type) { - case ACPI_BUTTON_TYPE_POWERF: - status = - acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_button_notify_fixed); - break; - case ACPI_BUTTON_TYPE_SLEEPF: - status = - acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_button_notify_fixed); - break; - default: - status = acpi_remove_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_button_notify); - break; - } - + acpi_button_remove_notify_handlers(button); acpi_button_remove_fs(device); - + input_unregister_device(button->input); kfree(button); return 0; @@ -433,8 +490,7 @@ static int acpi_button_remove(struct acpi_device *device, int type) static int __init acpi_button_init(void) { - int result = 0; - + int result; acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) @@ -451,7 +507,6 @@ static int __init acpi_button_init(void) static void __exit acpi_button_exit(void) { - acpi_bus_unregister_driver(&acpi_button_driver); if (acpi_power_dir) @@ -461,8 +516,6 @@ static void __exit acpi_button_exit(void) if (acpi_lid_dir) remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir); remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - - return; } module_init(acpi_button_init); -- cgit v1.2.3 From e033351d5359f348d2913eb83fbb37023d8f21af Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Sun, 12 Nov 2006 18:05:09 +0100 Subject: [WATCHDOG] Add iTCO vendor specific support Add vendor specific support to the intel TCO timer based watchdog devices. At this moment we only have additional support for some SuperMicro Inc. motherboards. Signed-off-by: Robert Seretny Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/Kconfig | 8 + drivers/char/watchdog/Makefile | 2 +- drivers/char/watchdog/iTCO_vendor_support.c | 307 ++++++++++++++++++++++++++++ drivers/char/watchdog/iTCO_wdt.c | 29 ++- 4 files changed, 342 insertions(+), 4 deletions(-) create mode 100644 drivers/char/watchdog/iTCO_vendor_support.c (limited to 'drivers') diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index d3e99982b69..a52ecad7d56 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -340,6 +340,14 @@ config ITCO_WDT To compile this driver as a module, choose M here: the module will be called iTCO_wdt. +config ITCO_VENDOR_SUPPORT + bool "Intel TCO Timer/Watchdog Specific Vendor Support" + depends on ITCO_WDT + ---help--- + Add vendor specific support to the intel TCO timer based watchdog + devices. At this moment we only have additional support for some + SuperMicro Inc. motherboards. + config SC1200_WDT tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog" depends on WATCHDOG && X86 diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index e6a9f6f1d4b..81abdfa10a0 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -47,7 +47,7 @@ obj-$(CONFIG_IBMASR) += ibmasr.o obj-$(CONFIG_WAFER_WDT) += wafer5823wdt.o obj-$(CONFIG_I6300ESB_WDT) += i6300esb.o obj-$(CONFIG_I8XX_TCO) += i8xx_tco.o -obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o +obj-$(CONFIG_ITCO_WDT) += iTCO_wdt.o iTCO_vendor_support.o obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o diff --git a/drivers/char/watchdog/iTCO_vendor_support.c b/drivers/char/watchdog/iTCO_vendor_support.c new file mode 100644 index 00000000000..41508399009 --- /dev/null +++ b/drivers/char/watchdog/iTCO_vendor_support.c @@ -0,0 +1,307 @@ +/* + * intel TCO vendor specific watchdog driver support + * + * (c) Copyright 2006 Wim Van Sebroeck . + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Neither Wim Van Sebroeck nor Iguana vzw. admit liability nor + * provide warranty for any of this software. This material is + * provided "AS-IS" and at no charge. + */ + +/* + * Includes, defines, variables, module parameters, ... + */ + +/* Module and version information */ +#define DRV_NAME "iTCO_vendor_support" +#define DRV_VERSION "1.01" +#define DRV_RELDATE "11-Nov-2006" +#define PFX DRV_NAME ": " + +/* Includes */ +#include /* For module specific items */ +#include /* For new moduleparam's */ +#include /* For standard types (like size_t) */ +#include /* For the -ENODEV/... values */ +#include /* For printk/panic/... */ +#include /* For __init/__exit/... */ +#include /* For io-port access */ + +#include /* For inb/outb/... */ + +/* iTCO defines */ +#define SMI_EN acpibase + 0x30 /* SMI Control and Enable Register */ +#define TCOBASE acpibase + 0x60 /* TCO base address */ +#define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */ + +/* List of vendor support modes */ +#define SUPERMICRO_OLD_BOARD 1 /* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */ +#define SUPERMICRO_NEW_BOARD 2 /* SuperMicro Pentium 4 / Xeon 4 / EMT64T Era Systems */ + +static int vendorsupport = 0; +module_param(vendorsupport, int, 0); +MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (none), 1=SuperMicro Pent3, 2=SuperMicro Pent4+"); + +/* + * Vendor Specific Support + */ + +/* + * Vendor Support: 1 + * Board: Super Micro Computer Inc. 370SSE+-OEM1/P3TSSE + * iTCO chipset: ICH2 + * + * Code contributed by: R. Seretny + * Documentation obtained by R. Seretny from SuperMicro Technical Support + * + * To enable Watchdog function: + * BIOS setup -> Power -> TCO Logic SMI Enable -> Within5Minutes + * This setting enables SMI to clear the watchdog expired flag. + * If BIOS or CPU fail which may cause SMI hang, then system will + * reboot. When application starts to use watchdog function, + * application has to take over the control from SMI. + * + * For P3TSSE, J36 jumper needs to be removed to enable the Watchdog + * function. + * + * Note: The system will reboot when Expire Flag is set TWICE. + * So, if the watchdog timer is 20 seconds, then the maximum hang + * time is about 40 seconds, and the minimum hang time is about + * 20.6 seconds. + */ + +static void supermicro_old_pre_start(unsigned long acpibase) +{ + unsigned long val32; + + val32 = inl(SMI_EN); + val32 &= 0xffffdfff; /* Turn off SMI clearing watchdog */ + outl(val32, SMI_EN); /* Needed to activate watchdog */ +} + +static void supermicro_old_pre_stop(unsigned long acpibase) +{ + unsigned long val32; + + val32 = inl(SMI_EN); + val32 &= 0x00002000; /* Turn on SMI clearing watchdog */ + outl(val32, SMI_EN); /* Needed to deactivate watchdog */ +} + +static void supermicro_old_pre_keepalive(unsigned long acpibase) +{ + /* Reload TCO Timer (done in iTCO_wdt_keepalive) + */ + /* Clear "Expire Flag" (Bit 3 of TC01_STS register) */ + outb(0x08, TCO1_STS); +} + +/* + * Vendor Support: 2 + * Board: Super Micro Computer Inc. P4SBx, P4DPx + * iTCO chipset: ICH4 + * + * Code contributed by: R. Seretny + * Documentation obtained by R. Seretny from SuperMicro Technical Support + * + * To enable Watchdog function: + * 1. BIOS + * For P4SBx: + * BIOS setup -> Advanced -> Integrated Peripherals -> Watch Dog Feature + * For P4DPx: + * BIOS setup -> Advanced -> I/O Device Configuration -> Watch Dog + * This setting enables or disables Watchdog function. When enabled, the + * default watchdog timer is set to be 5 minutes (about 4’35â€). It is + * enough to load and run the OS. The application (service or driver) has + * to take over the control once OS is running up and before watchdog + * expires. + * + * 2. JUMPER + * For P4SBx: JP39 + * For P4DPx: JP37 + * This jumper is used for safety. Closed is enabled. This jumper + * prevents user enables watchdog in BIOS by accident. + * + * To enable Watch Dog function, both BIOS and JUMPER must be enabled. + * + * The documentation lists motherboards P4SBx and P4DPx series as of + * 20-March-2002. However, this code works flawlessly with much newer + * motherboards, such as my X6DHR-8G2 (SuperServer 6014H-82). + * + * The original iTCO driver as written does not actually reset the + * watchdog timer on these machines, as a result they reboot after five + * minutes. + * + * NOTE: You may leave the Watchdog function disabled in the SuperMicro + * BIOS to avoid a "boot-race"... This driver will enable watchdog + * functionality even if it's disabled in the BIOS once the /dev/watchdog + * file is opened. + */ + +/* I/O Port's */ +#define SM_REGINDEX 0x2e /* SuperMicro ICH4+ Register Index */ +#define SM_DATAIO 0x2f /* SuperMicro ICH4+ Register Data I/O */ + +/* Control Register's */ +#define SM_CTLPAGESW 0x07 /* SuperMicro ICH4+ Control Page Switch */ +#define SM_CTLPAGE 0x08 /* SuperMicro ICH4+ Control Page Num */ + +#define SM_WATCHENABLE 0x30 /* Watchdog enable: Bit 0: 0=off, 1=on */ + +#define SM_WATCHPAGE 0x87 /* Watchdog unlock control page */ + +#define SM_ENDWATCH 0xAA /* Watchdog lock control page */ + +#define SM_COUNTMODE 0xf5 /* Watchdog count mode select */ + /* (Bit 3: 0 = seconds, 1 = minutes */ + +#define SM_WATCHTIMER 0xf6 /* 8-bits, Watchdog timer counter (RW) */ + +#define SM_RESETCONTROL 0xf7 /* Watchdog reset control */ + /* Bit 6: timer is reset by kbd interrupt */ + /* Bit 7: timer is reset by mouse interrupt */ + +static void supermicro_new_unlock_watchdog(void) +{ + outb(SM_WATCHPAGE, SM_REGINDEX); /* Write 0x87 to port 0x2e twice */ + outb(SM_WATCHPAGE, SM_REGINDEX); + + outb(SM_CTLPAGESW, SM_REGINDEX); /* Switch to watchdog control page */ + outb(SM_CTLPAGE, SM_DATAIO); +} + +static void supermicro_new_lock_watchdog(void) +{ + outb(SM_ENDWATCH, SM_REGINDEX); +} + +static void supermicro_new_pre_start(unsigned int heartbeat) +{ + unsigned int val; + + supermicro_new_unlock_watchdog(); + + /* Watchdog timer setting needs to be in seconds*/ + outb(SM_COUNTMODE, SM_REGINDEX); + val = inb(SM_DATAIO); + val &= 0xF7; + outb(val, SM_DATAIO); + + /* Write heartbeat interval to WDOG */ + outb (SM_WATCHTIMER, SM_REGINDEX); + outb((heartbeat & 255), SM_DATAIO); + + /* Make sure keyboard/mouse interrupts don't interfere */ + outb(SM_RESETCONTROL, SM_REGINDEX); + val = inb(SM_DATAIO); + val &= 0x3f; + outb(val, SM_DATAIO); + + /* enable watchdog by setting bit 0 of Watchdog Enable to 1 */ + outb(SM_WATCHENABLE, SM_REGINDEX); + val = inb(SM_DATAIO); + val |= 0x01; + outb(val, SM_DATAIO); + + supermicro_new_lock_watchdog(); +} + +static void supermicro_new_pre_stop(void) +{ + unsigned int val; + + supermicro_new_unlock_watchdog(); + + /* disable watchdog by setting bit 0 of Watchdog Enable to 0 */ + outb(SM_WATCHENABLE, SM_REGINDEX); + val = inb(SM_DATAIO); + val &= 0xFE; + outb(val, SM_DATAIO); + + supermicro_new_lock_watchdog(); +} + +static void supermicro_new_pre_set_heartbeat(unsigned int heartbeat) +{ + supermicro_new_unlock_watchdog(); + + /* reset watchdog timeout to heartveat value */ + outb(SM_WATCHTIMER, SM_REGINDEX); + outb((heartbeat & 255), SM_DATAIO); + + supermicro_new_lock_watchdog(); +} + +/* + * Generic Support Functions + */ + +void iTCO_vendor_pre_start(unsigned long acpibase, + unsigned int heartbeat) +{ + if (vendorsupport == SUPERMICRO_OLD_BOARD) + supermicro_old_pre_start(acpibase); + else if (vendorsupport == SUPERMICRO_NEW_BOARD) + supermicro_new_pre_start(heartbeat); +} +EXPORT_SYMBOL(iTCO_vendor_pre_start); + +void iTCO_vendor_pre_stop(unsigned long acpibase) +{ + if (vendorsupport == SUPERMICRO_OLD_BOARD) + supermicro_old_pre_stop(acpibase); + else if (vendorsupport == SUPERMICRO_NEW_BOARD) + supermicro_new_pre_stop(); +} +EXPORT_SYMBOL(iTCO_vendor_pre_stop); + +void iTCO_vendor_pre_keepalive(unsigned long acpibase, unsigned int heartbeat) +{ + if (vendorsupport == SUPERMICRO_OLD_BOARD) + supermicro_old_pre_keepalive(acpibase); + else if (vendorsupport == SUPERMICRO_NEW_BOARD) + supermicro_new_pre_set_heartbeat(heartbeat); +} +EXPORT_SYMBOL(iTCO_vendor_pre_keepalive); + +void iTCO_vendor_pre_set_heartbeat(unsigned int heartbeat) +{ + if (vendorsupport == SUPERMICRO_NEW_BOARD) + supermicro_new_pre_set_heartbeat(heartbeat); +} +EXPORT_SYMBOL(iTCO_vendor_pre_set_heartbeat); + +int iTCO_vendor_check_noreboot_on(void) +{ + switch(vendorsupport) { + case SUPERMICRO_OLD_BOARD: + return 0; + default: + return 1; + } +} +EXPORT_SYMBOL(iTCO_vendor_check_noreboot_on); + +static int __init iTCO_vendor_init_module(void) +{ + printk (KERN_INFO PFX "vendor-support=%d\n", vendorsupport); + return 0; +} + +static void __exit iTCO_vendor_exit_module(void) +{ + printk (KERN_INFO PFX "Module Unloaded\n"); +} + +module_init(iTCO_vendor_init_module); +module_exit(iTCO_vendor_exit_module); + +MODULE_AUTHOR("Wim Van Sebroeck , R. Seretny "); +MODULE_DESCRIPTION("Intel TCO Vendor Specific WatchDog Timer Driver Support"); +MODULE_VERSION(DRV_VERSION); +MODULE_LICENSE("GPL"); + diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c index b6f29cb8bd3..7eac922df86 100644 --- a/drivers/char/watchdog/iTCO_wdt.c +++ b/drivers/char/watchdog/iTCO_wdt.c @@ -48,8 +48,8 @@ /* Module and version information */ #define DRV_NAME "iTCO_wdt" -#define DRV_VERSION "1.00" -#define DRV_RELDATE "08-Oct-2006" +#define DRV_VERSION "1.01" +#define DRV_RELDATE "11-Nov-2006" #define PFX DRV_NAME ": " /* Includes */ @@ -189,6 +189,21 @@ static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"); +/* iTCO Vendor Specific Support hooks */ +#ifdef CONFIG_ITCO_VENDOR_SUPPORT +extern void iTCO_vendor_pre_start(unsigned long, unsigned int); +extern void iTCO_vendor_pre_stop(unsigned long); +extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int); +extern void iTCO_vendor_pre_set_heartbeat(unsigned int); +extern int iTCO_vendor_check_noreboot_on(void); +#else +#define iTCO_vendor_pre_start(acpibase, heartbeat) {} +#define iTCO_vendor_pre_stop(acpibase) {} +#define iTCO_vendor_pre_keepalive(acpibase,heartbeat) {} +#define iTCO_vendor_pre_set_heartbeat(heartbeat) {} +#define iTCO_vendor_check_noreboot_on() 1 /* 1=check noreboot; 0=don't check */ +#endif + /* * Some TCO specific functions */ @@ -249,6 +264,8 @@ static int iTCO_wdt_start(void) spin_lock(&iTCO_wdt_private.io_lock); + iTCO_vendor_pre_start(iTCO_wdt_private.ACPIBASE, heartbeat); + /* disable chipset's NO_REBOOT bit */ if (iTCO_wdt_unset_NO_REBOOT_bit()) { printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n"); @@ -273,6 +290,8 @@ static int iTCO_wdt_stop(void) spin_lock(&iTCO_wdt_private.io_lock); + iTCO_vendor_pre_stop(iTCO_wdt_private.ACPIBASE); + /* Bit 11: TCO Timer Halt -> 1 = The TCO timer is disabled */ val = inw(TCO1_CNT); val |= 0x0800; @@ -293,6 +312,8 @@ static int iTCO_wdt_keepalive(void) { spin_lock(&iTCO_wdt_private.io_lock); + iTCO_vendor_pre_keepalive(iTCO_wdt_private.ACPIBASE, heartbeat); + /* Reload the timer by writing to the TCO Timer Counter register */ if (iTCO_wdt_private.iTCO_version == 2) { outw(0x01, TCO_RLD); @@ -319,6 +340,8 @@ static int iTCO_wdt_set_heartbeat(int t) ((iTCO_wdt_private.iTCO_version == 1) && (tmrval > 0x03f))) return -EINVAL; + iTCO_vendor_pre_set_heartbeat(tmrval); + /* Write new heartbeat to watchdog */ if (iTCO_wdt_private.iTCO_version == 2) { spin_lock(&iTCO_wdt_private.io_lock); @@ -569,7 +592,7 @@ static int iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent, } /* Check chipset's NO_REBOOT bit */ - if (iTCO_wdt_unset_NO_REBOOT_bit()) { + if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) { printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n"); ret = -ENODEV; /* Cannot reset NO_REBOOT bit */ goto out; -- cgit v1.2.3 From 74a9d5f1d140adbeadd5ef319f162903090c3b83 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 3 Nov 2006 09:52:49 +0100 Subject: [PATCH] Remove inclusion of asm/processor.h in via82cxxx.c There is some PPC_CHRP specific code in drivers/ide/pci/via82cxxx.c, so #ifdef on CONFIG_PPC_CHRP instead of CONFIG_PPC_MULTIPLATFORM. Signed-off-by: Sascha Hauer Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/ide/pci/via82cxxx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 2af634d7acf..eb7ab112c05 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -35,7 +35,7 @@ #include #include -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_CHRP #include #endif @@ -442,7 +442,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif) hwif->speedproc = &via_set_drive; -#if defined(CONFIG_PPC_CHRP) && defined(CONFIG_PPC32) +#ifdef CONFIG_PPC_CHRP if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) { hwif->irq = hwif->channel ? 15 : 14; } -- cgit v1.2.3 From bfaadcadc9549c7e296e37a0cfe306704e8df739 Mon Sep 17 00:00:00 2001 From: "s.hauer@pengutronix.de" Date: Thu, 2 Nov 2006 13:55:57 +0100 Subject: [PATCH] Replace CONFIG_PPC_MULTIPLATFORM with CONFIG_PPC_PMAC in tulip driver Replace CONFIG_PPC_MULTIPLATFORM with CONFIG_PPC_PMAC in drivers/net/tulip/de4x5.c. It is needed for a pmac specific hook but has nothing with to do with PPC_MULTIPLATFORM. Signed-off-by: Sascha Hauer Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/net/tulip/de4x5.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c index 3f4b6408b75..4b3cd3d8b62 100644 --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -473,9 +473,9 @@ #include #include #include -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PMAC #include -#endif /* CONFIG_PPC_MULTIPLATFORM */ +#endif /* CONFIG_PPC_PMAC */ #include "de4x5.h" @@ -4151,7 +4151,7 @@ get_hw_addr(struct net_device *dev) /* If possible, try to fix a broken card - SMC only so far */ srom_repair(dev, broken); -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PMAC /* ** If the address starts with 00 a0, we have to bit-reverse ** each byte of the address. @@ -4168,7 +4168,7 @@ get_hw_addr(struct net_device *dev) dev->dev_addr[i] = ((x & 0x55) << 1) + ((x & 0xaa) >> 1); } } -#endif /* CONFIG_PPC_MULTIPLATFORM */ +#endif /* CONFIG_PPC_PMAC */ /* Test for a bad enet address */ status = test_bad_enet(dev, status); -- cgit v1.2.3 From a9b14973a8c42b2aecc968851372203c6567e196 Mon Sep 17 00:00:00 2001 From: Andy Fleming Date: Thu, 19 Oct 2006 19:52:26 -0500 Subject: [PATCH] Slight refactor of interrupt mapping for FSL parts * Cleaned up interrupt mapping a little by adding a helper function which parses the irq out of the device-tree, and puts it into a resource. * Changed the arch/ppc platform files to specify PHY_POLL, instead of -1 * Changed the fixed phy to use PHY_IGNORE_INTERRUPT * Added ethtool.h and mii.h to phy.h includes Signed-off-by: Paul Mackerras --- drivers/net/phy/fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/phy/fixed.c b/drivers/net/phy/fixed.c index f14e99276db..096d4a100bf 100644 --- a/drivers/net/phy/fixed.c +++ b/drivers/net/phy/fixed.c @@ -254,7 +254,7 @@ static int fixed_mdio_register_device(int number, int speed, int duplex) goto device_create_fail; } - phydev->irq = -1; + phydev->irq = PHY_IGNORE_INTERRUPT; phydev->dev.bus = &mdio_bus_type; if(number) -- cgit v1.2.3 From b4d38e38e66f8e1b32a1b1c00e533175314c8d56 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 11 Oct 2006 16:48:28 -0400 Subject: [SCSI] Reduce polling in sd.c If a drive reports that no media is present, there's no point in continuing to ask it about media status. This patch (as696) cuts the TUR polling short as soon as the drive reports no media instead of going a full 3 iterations. Signed-off-by: Alan Stern Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 84ff203ffed..152f4ff4ed7 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1051,6 +1051,14 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname) &sshdr, SD_TIMEOUT, SD_MAX_RETRIES); + /* + * If the drive has indicated to us that it + * doesn't have any media in it, don't bother + * with any more polling. + */ + if (media_not_present(sdkp, &sshdr)) + return; + if (the_result) sense_valid = scsi_sense_valid(&sshdr); retries++; @@ -1059,14 +1067,6 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname) ((driver_byte(the_result) & DRIVER_SENSE) && sense_valid && sshdr.sense_key == UNIT_ATTENTION))); - /* - * If the drive has indicated to us that it doesn't have - * any media in it, don't bother with any of the rest of - * this crap. - */ - if (media_not_present(sdkp, &sshdr)) - return; - if ((driver_byte(the_result) & DRIVER_SENSE) == 0) { /* no sense, TUR either succeeded or failed * with a status error */ -- cgit v1.2.3 From f456393e195e0aa16029985f63cd93b601a0d315 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 30 Oct 2006 15:18:39 -0800 Subject: [SCSI] libsas: modify error handler to use scsi_eh_* functions This patch adds an EH done queue to sas_ha, converts the error handling strategy function and the sas_scsi_task_done functions in libsas to use the scsi_eh_* commands for error'd commands, and adds checks for the INITIATOR_ABORTED flag so that we do the right thing if a sas_task has been aborted by the initiator. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_init.c | 2 ++ drivers/scsi/libsas/sas_scsi_host.c | 29 +++++++++++++++++++++++++---- 2 files changed, 27 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index c836a237fb7..a2b479a6590 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -112,6 +112,8 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) } } + INIT_LIST_HEAD(&sas_ha->eh_done_q); + return 0; Undo_ports: diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index e46e79355b7..6a97b07849b 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include "../scsi_sas_internal.h" @@ -46,6 +47,7 @@ static void sas_scsi_task_done(struct sas_task *task) { struct task_status_struct *ts = &task->task_status; struct scsi_cmnd *sc = task->uldd_task; + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host); unsigned ts_flags = task->task_state_flags; int hs = 0, stat = 0; @@ -116,7 +118,7 @@ static void sas_scsi_task_done(struct sas_task *task) sas_free_task(task); /* This is very ugly but this is how SCSI Core works. */ if (ts_flags & SAS_TASK_STATE_ABORTED) - scsi_finish_command(sc); + scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q); else sc->scsi_done(sc); } @@ -307,6 +309,15 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task) spin_unlock_irqrestore(&core->task_queue_lock, flags); } + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: task 0x%p already aborted\n", + __FUNCTION__, task); + return TASK_IS_ABORTED; + } + spin_unlock_irqrestore(&task->task_state_lock, flags); + for (i = 0; i < 5; i++) { SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task); res = si->dft->lldd_abort_task(task); @@ -409,13 +420,16 @@ Again: SAS_DPRINTK("going over list...\n"); list_for_each_entry_safe(cmd, n, &error_q, eh_entry) { struct sas_task *task = TO_SAS_TASK(cmd); + list_del_init(&cmd->eh_entry); + if (!task) { + SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__); + continue; + } SAS_DPRINTK("trying to find task 0x%p\n", task); - list_del_init(&cmd->eh_entry); res = sas_scsi_find_task(task); cmd->eh_eflags = 0; - shost->host_failed--; switch (res) { case TASK_IS_DONE: @@ -491,6 +505,7 @@ Again: } } out: + scsi_eh_flush_done_q(&ha->eh_done_q); SAS_DPRINTK("--- Exit %s\n", __FUNCTION__); return; clear_q: @@ -508,12 +523,18 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) unsigned long flags; if (!task) { - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", + SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n", cmd, task); return EH_HANDLED; } spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: " + "EH_NOT_HANDLED\n", cmd, task); + return EH_NOT_HANDLED; + } if (task->task_state_flags & SAS_TASK_STATE_DONE) { spin_unlock_irqrestore(&task->task_state_lock, flags); SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", -- cgit v1.2.3 From 79a5eb609b74e7b3638861c41b98eafa74920a1f Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 30 Oct 2006 15:18:50 -0800 Subject: [SCSI] libsas: add sas_abort_task This patch adds an external function, sas_abort_task, to enable LLDDs to abort sas_tasks. It also adds a work_struct so that the actual work of aborting a task can be shifted from tasklet context (in the LLDD) onto the scsi_host's workqueue. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_scsi_host.c | 60 +++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 6a97b07849b..c5fd3752272 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -33,6 +33,7 @@ #include #include #include "../scsi_sas_internal.h" +#include "../scsi_transport_api.h" #include #include @@ -798,6 +799,64 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha) spin_unlock_irqrestore(&core->task_queue_lock, flags); } +static int do_sas_task_abort(struct sas_task *task) +{ + struct scsi_cmnd *sc = task->uldd_task; + struct sas_internal *si = + to_sas_internal(task->dev->port->ha->core.shost->transportt); + unsigned long flags; + int res; + + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: Task %p already aborted.\n", __FUNCTION__, + task); + return 0; + } + + task->task_state_flags |= SAS_TASK_INITIATOR_ABORTED; + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + task->task_state_flags |= SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + if (!si->dft->lldd_abort_task) + return -ENODEV; + + res = si->dft->lldd_abort_task(task); + if ((task->task_state_flags & SAS_TASK_STATE_DONE) || + (res == TMF_RESP_FUNC_COMPLETE)) + { + /* SMP commands don't have scsi_cmds(?) */ + if (!sc) { + task->task_done(task); + return 0; + } + scsi_req_abort_cmd(sc); + scsi_schedule_eh(sc->device->host); + return 0; + } + + spin_lock_irqsave(&task->task_state_lock, flags); + task->task_state_flags &= ~SAS_TASK_INITIATOR_ABORTED; + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + return -EAGAIN; +} + +void sas_task_abort(struct sas_task *task) +{ + int i; + + for (i = 0; i < 5; i++) + if (!do_sas_task_abort(task)) + return; + + SAS_DPRINTK("%s: Could not kill task!\n", __FUNCTION__); +} + EXPORT_SYMBOL_GPL(sas_queuecommand); EXPORT_SYMBOL_GPL(sas_target_alloc); EXPORT_SYMBOL_GPL(sas_slave_configure); @@ -805,3 +864,4 @@ EXPORT_SYMBOL_GPL(sas_slave_destroy); EXPORT_SYMBOL_GPL(sas_change_queue_depth); EXPORT_SYMBOL_GPL(sas_change_queue_type); EXPORT_SYMBOL_GPL(sas_bios_param); +EXPORT_SYMBOL_GPL(sas_task_abort); -- cgit v1.2.3 From fe4a36cf652031d2744a536ba5121032840380cb Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Mon, 30 Oct 2006 15:18:56 -0800 Subject: [SCSI] aic94xx: handle REQ_TASK_ABORT This patch straightens out the code that distinguishes the various escb opcodes in escb_tasklet_complete so that they can be handled correctly. It also provides all the necessary code to create a workqueue item that tells libsas to abort a sas_task. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_scb.c | 83 ++++++++++++++++++++++++++++++-------- 1 file changed, 66 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index 7ee49b51b72..1911c5d1787 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -25,6 +25,7 @@ */ #include +#include #include "aic94xx.h" #include "aic94xx_reg.h" @@ -342,6 +343,18 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id) } } +/* start up the ABORT TASK tmf... */ +static void task_kill_later(struct asd_ascb *ascb) +{ + struct asd_ha_struct *asd_ha = ascb->ha; + struct sas_ha_struct *sas_ha = &asd_ha->sas_ha; + struct Scsi_Host *shost = sas_ha->core.shost; + struct sas_task *task = ascb->uldd_task; + + INIT_WORK(&task->abort_work, (void (*)(void *))sas_task_abort, task); + queue_work(shost->work_q, &task->abort_work); +} + static void escb_tasklet_complete(struct asd_ascb *ascb, struct done_list_struct *dl) { @@ -368,6 +381,58 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, ascb->scb->header.opcode); } + /* Catch these before we mask off the sb_opcode bits */ + switch (sb_opcode) { + case REQ_TASK_ABORT: { + struct asd_ascb *a, *b; + u16 tc_abort; + + tc_abort = *((u16*)(&dl->status_block[1])); + tc_abort = le16_to_cpu(tc_abort); + + ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n", + __FUNCTION__, dl->status_block[3]); + + /* Find the pending task and abort it. */ + list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) + if (a->tc_index == tc_abort) { + task_kill_later(a); + break; + } + goto out; + } + case REQ_DEVICE_RESET: { + struct asd_ascb *a, *b; + u16 conn_handle; + + conn_handle = *((u16*)(&dl->status_block[1])); + conn_handle = le16_to_cpu(conn_handle); + + ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __FUNCTION__, + dl->status_block[3]); + + /* Kill all pending tasks and reset the device */ + list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { + struct sas_task *task = a->uldd_task; + struct domain_device *dev = task->dev; + u16 x; + + x = *((u16*)(&dev->lldd_dev)); + if (x == conn_handle) + task_kill_later(a); + } + + /* FIXME: Reset device port (huh?) */ + goto out; + } + case SIGNAL_NCQ_ERROR: + ASD_DPRINTK("%s: SIGNAL_NCQ_ERROR\n", __FUNCTION__); + goto out; + case CLEAR_NCQ_ERROR: + ASD_DPRINTK("%s: CLEAR_NCQ_ERROR\n", __FUNCTION__); + goto out; + } + sb_opcode &= ~DL_PHY_MASK; switch (sb_opcode) { @@ -397,22 +462,6 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, sas_phy_disconnected(sas_phy); sas_ha->notify_port_event(sas_phy, PORTE_TIMER_EVENT); break; - case REQ_TASK_ABORT: - ASD_DPRINTK("%s: phy%d: REQ_TASK_ABORT\n", __FUNCTION__, - phy_id); - break; - case REQ_DEVICE_RESET: - ASD_DPRINTK("%s: phy%d: REQ_DEVICE_RESET\n", __FUNCTION__, - phy_id); - break; - case SIGNAL_NCQ_ERROR: - ASD_DPRINTK("%s: phy%d: SIGNAL_NCQ_ERROR\n", __FUNCTION__, - phy_id); - break; - case CLEAR_NCQ_ERROR: - ASD_DPRINTK("%s: phy%d: CLEAR_NCQ_ERROR\n", __FUNCTION__, - phy_id); - break; default: ASD_DPRINTK("%s: phy%d: unknown event:0x%x\n", __FUNCTION__, phy_id, sb_opcode); @@ -432,7 +481,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, break; } - +out: asd_invalidate_edb(ascb, edb); } -- cgit v1.2.3 From 2dc611de5a3fd955cd0298c50691d4c05046db97 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 4 Nov 2006 20:04:21 +0100 Subject: [SCSI] use one-element sg list in scsi_send_eh_cmnd scsi_send_eh_cmnd is the last user of non-sg commands currently. This patch switches it to a one-element SG list. Also updates the kerneldoc comment for scsi_send_eh_cmnd to reflect reality while we're at it. Test on my mptsas card, but this should get testing with as many drivers as possible. Signed-off-by: Christoph Hellwig Signed-off-by: James Bottomley --- drivers/scsi/scsi_error.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index aff1b0cfd4b..2ecb6ff4244 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -453,9 +453,18 @@ static void scsi_eh_done(struct scsi_cmnd *scmd) } /** - * scsi_send_eh_cmnd - send a cmd to a device as part of error recovery. - * @scmd: SCSI Cmd to send. - * @timeout: Timeout for cmd. + * scsi_send_eh_cmnd - submit a scsi command as part of error recory + * @scmd: SCSI command structure to hijack + * @cmnd: CDB to send + * @cmnd_size: size in bytes of @cmnd + * @timeout: timeout for this request + * @copy_sense: request sense data if set to 1 + * + * This function is used to send a scsi command down to a target device + * as part of the error recovery process. If @copy_sense is 0 the command + * sent must be one that does not transfer any data. If @copy_sense is 1 + * the command must be REQUEST_SENSE and this functions copies out the + * sense buffer it got into @scmd->sense_buffer. * * Return value: * SUCCESS or FAILED or NEEDS_RETRY @@ -469,6 +478,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, DECLARE_COMPLETION_ONSTACK(done); unsigned long timeleft; unsigned long flags; + struct scatterlist sgl; unsigned char old_cmnd[MAX_COMMAND_SIZE]; enum dma_data_direction old_data_direction; unsigned short old_use_sg; @@ -500,19 +510,24 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, if (shost->hostt->unchecked_isa_dma) gfp_mask |= __GFP_DMA; - scmd->sc_data_direction = DMA_FROM_DEVICE; - scmd->request_bufflen = 252; - scmd->request_buffer = kzalloc(scmd->request_bufflen, gfp_mask); - if (!scmd->request_buffer) + sgl.page = alloc_page(gfp_mask); + if (!sgl.page) return FAILED; + sgl.offset = 0; + sgl.length = 252; + + scmd->sc_data_direction = DMA_FROM_DEVICE; + scmd->request_bufflen = sgl.length; + scmd->request_buffer = &sgl; + scmd->use_sg = 1; } else { scmd->request_buffer = NULL; scmd->request_bufflen = 0; scmd->sc_data_direction = DMA_NONE; + scmd->use_sg = 0; } scmd->underflow = 0; - scmd->use_sg = 0; scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); if (sdev->scsi_level <= SCSI_2) @@ -583,7 +598,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, memcpy(scmd->sense_buffer, scmd->request_buffer, sizeof(scmd->sense_buffer)); } - kfree(scmd->request_buffer); + __free_page(sgl.page); } -- cgit v1.2.3 From 3b00315799d78f76531b71435fbc2643cd71ae4c Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 4 Nov 2006 20:10:55 +0100 Subject: [SCSI] untangle scsi_prep_fn I wanted to add some BUG checks to scsi_prep_fn to make sure no one sends us a non-sg command, but this function is a horrible mess. So I decided to detangle the function and document what the valid cases are. While doing that I found that REQ_TYPE_SPECIAL commands aren't used by the SCSI layer anymore and we can get rid of the code handling them. The new structure of scsi_prep_fn is: (1) check if we're allowed to send this command (2) big switch on cmd_type. For the two valid types call into a function to set the command up, else error (3) code to handle error cases Because FS and BLOCK_PC commands are handled entirely separate after the patch this introduces a tiny amount of code duplication. This improves readabiulity though and will help to avoid the bidi command overhead for FS commands so it's a good thing. I've tested this on both sata and mptsas. Signed-off-by: Christoph Hellwig Signed-off-by: James Bottomley --- drivers/scsi/scsi_lib.c | 313 +++++++++++++++++++++++++----------------------- 1 file changed, 166 insertions(+), 147 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 743f67ed764..ee35a62bb7a 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -995,25 +995,14 @@ static int scsi_init_io(struct scsi_cmnd *cmd) int count; /* - * if this is a rq->data based REQ_BLOCK_PC, setup for a non-sg xfer - */ - if (blk_pc_request(req) && !req->bio) { - cmd->request_bufflen = req->data_len; - cmd->request_buffer = req->data; - req->buffer = req->data; - cmd->use_sg = 0; - return 0; - } - - /* - * we used to not use scatter-gather for single segment request, + * We used to not use scatter-gather for single segment request, * but now we do (it makes highmem I/O easier to support without * kmapping pages) */ cmd->use_sg = req->nr_phys_segments; /* - * if sg table allocation fails, requeue request later. + * If sg table allocation fails, requeue request later. */ sgpnt = scsi_alloc_sgtable(cmd, GFP_ATOMIC); if (unlikely(!sgpnt)) { @@ -1021,24 +1010,21 @@ static int scsi_init_io(struct scsi_cmnd *cmd) return BLKPREP_DEFER; } + req->buffer = NULL; cmd->request_buffer = (char *) sgpnt; - cmd->request_bufflen = req->nr_sectors << 9; if (blk_pc_request(req)) cmd->request_bufflen = req->data_len; - req->buffer = NULL; + else + cmd->request_bufflen = req->nr_sectors << 9; /* * Next, walk the list, and fill in the addresses and sizes of * each segment. */ count = blk_rq_map_sg(req->q, req, cmd->request_buffer); - - /* - * mapped well, send it off - */ if (likely(count <= cmd->use_sg)) { cmd->use_sg = count; - return 0; + return BLKPREP_OK; } printk(KERN_ERR "Incorrect number of segments after building list\n"); @@ -1068,6 +1054,27 @@ static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk, return -EOPNOTSUPP; } +static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev, + struct request *req) +{ + struct scsi_cmnd *cmd; + + if (!req->special) { + cmd = scsi_get_command(sdev, GFP_ATOMIC); + if (unlikely(!cmd)) + return NULL; + req->special = cmd; + } else { + cmd = req->special; + } + + /* pull a tag out of the request if we have one */ + cmd->tag = req->tag; + cmd->request = req; + + return cmd; +} + static void scsi_blk_pc_done(struct scsi_cmnd *cmd) { BUG_ON(!blk_pc_request(cmd->request)); @@ -1080,9 +1087,37 @@ static void scsi_blk_pc_done(struct scsi_cmnd *cmd) scsi_io_completion(cmd, cmd->request_bufflen); } -static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd) +static int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req) { - struct request *req = cmd->request; + struct scsi_cmnd *cmd; + + cmd = scsi_get_cmd_from_req(sdev, req); + if (unlikely(!cmd)) + return BLKPREP_DEFER; + + /* + * BLOCK_PC requests may transfer data, in which case they must + * a bio attached to them. Or they might contain a SCSI command + * that does not transfer data, in which case they may optionally + * submit a request without an attached bio. + */ + if (req->bio) { + int ret; + + BUG_ON(!req->nr_phys_segments); + + ret = scsi_init_io(cmd); + if (unlikely(ret)) + return ret; + } else { + BUG_ON(req->data_len); + BUG_ON(req->data); + + cmd->request_bufflen = 0; + cmd->request_buffer = NULL; + cmd->use_sg = 0; + req->buffer = NULL; + } BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd)); memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd)); @@ -1098,154 +1133,138 @@ static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd) cmd->allowed = req->retries; cmd->timeout_per_command = req->timeout; cmd->done = scsi_blk_pc_done; + return BLKPREP_OK; } -static int scsi_prep_fn(struct request_queue *q, struct request *req) +/* + * Setup a REQ_TYPE_FS command. These are simple read/write request + * from filesystems that still need to be translated to SCSI CDBs from + * the ULD. + */ +static int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req) { - struct scsi_device *sdev = q->queuedata; struct scsi_cmnd *cmd; - int specials_only = 0; + struct scsi_driver *drv; + int ret; /* - * Just check to see if the device is online. If it isn't, we - * refuse to process any commands. The device must be brought - * online before trying any recovery commands + * Filesystem requests must transfer data. */ - if (unlikely(!scsi_device_online(sdev))) { - sdev_printk(KERN_ERR, sdev, - "rejecting I/O to offline device\n"); - goto kill; - } - if (unlikely(sdev->sdev_state != SDEV_RUNNING)) { - /* OK, we're not in a running state don't prep - * user commands */ - if (sdev->sdev_state == SDEV_DEL) { - /* Device is fully deleted, no commands - * at all allowed down */ - sdev_printk(KERN_ERR, sdev, - "rejecting I/O to dead device\n"); - goto kill; - } - /* OK, we only allow special commands (i.e. not - * user initiated ones */ - specials_only = sdev->sdev_state; + BUG_ON(!req->nr_phys_segments); + + cmd = scsi_get_cmd_from_req(sdev, req); + if (unlikely(!cmd)) + return BLKPREP_DEFER; + + ret = scsi_init_io(cmd); + if (unlikely(ret)) + return ret; + + /* + * Initialize the actual SCSI command for this request. + */ + drv = *(struct scsi_driver **)req->rq_disk->private_data; + if (unlikely(!drv->init_command(cmd))) { + scsi_release_buffers(cmd); + scsi_put_command(cmd); + return BLKPREP_KILL; } + return BLKPREP_OK; +} + +static int scsi_prep_fn(struct request_queue *q, struct request *req) +{ + struct scsi_device *sdev = q->queuedata; + int ret = BLKPREP_OK; + /* - * Find the actual device driver associated with this command. - * The SPECIAL requests are things like character device or - * ioctls, which did not originate from ll_rw_blk. Note that - * the special field is also used to indicate the cmd for - * the remainder of a partially fulfilled request that can - * come up when there is a medium error. We have to treat - * these two cases differently. We differentiate by looking - * at request->cmd, as this tells us the real story. + * If the device is not in running state we will reject some + * or all commands. */ - if (blk_special_request(req) && req->special) - cmd = req->special; - else if (blk_pc_request(req) || blk_fs_request(req)) { - if (unlikely(specials_only) && !(req->cmd_flags & REQ_PREEMPT)){ - if (specials_only == SDEV_QUIESCE || - specials_only == SDEV_BLOCK) - goto defer; - + if (unlikely(sdev->sdev_state != SDEV_RUNNING)) { + switch (sdev->sdev_state) { + case SDEV_OFFLINE: + /* + * If the device is offline we refuse to process any + * commands. The device must be brought online + * before trying any recovery commands. + */ sdev_printk(KERN_ERR, sdev, - "rejecting I/O to device being removed\n"); - goto kill; + "rejecting I/O to offline device\n"); + ret = BLKPREP_KILL; + break; + case SDEV_DEL: + /* + * If the device is fully deleted, we refuse to + * process any commands as well. + */ + sdev_printk(KERN_ERR, sdev, + "rejecting I/O to dead device\n"); + ret = BLKPREP_KILL; + break; + case SDEV_QUIESCE: + case SDEV_BLOCK: + /* + * If the devices is blocked we defer normal commands. + */ + if (!(req->cmd_flags & REQ_PREEMPT)) + ret = BLKPREP_DEFER; + break; + default: + /* + * For any other not fully online state we only allow + * special commands. In particular any user initiated + * command is not allowed. + */ + if (!(req->cmd_flags & REQ_PREEMPT)) + ret = BLKPREP_KILL; + break; } - - /* - * Now try and find a command block that we can use. - */ - if (!req->special) { - cmd = scsi_get_command(sdev, GFP_ATOMIC); - if (unlikely(!cmd)) - goto defer; - } else - cmd = req->special; - - /* pull a tag out of the request if we have one */ - cmd->tag = req->tag; - } else { - blk_dump_rq_flags(req, "SCSI bad req"); - goto kill; + + if (ret != BLKPREP_OK) + goto out; } - - /* note the overloading of req->special. When the tag - * is active it always means cmd. If the tag goes - * back for re-queueing, it may be reset */ - req->special = cmd; - cmd->request = req; - - /* - * FIXME: drop the lock here because the functions below - * expect to be called without the queue lock held. Also, - * previously, we dequeued the request before dropping the - * lock. We hope REQ_STARTED prevents anything untoward from - * happening now. - */ - if (blk_fs_request(req) || blk_pc_request(req)) { - int ret; + switch (req->cmd_type) { + case REQ_TYPE_BLOCK_PC: + ret = scsi_setup_blk_pc_cmnd(sdev, req); + break; + case REQ_TYPE_FS: + ret = scsi_setup_fs_cmnd(sdev, req); + break; + default: /* - * This will do a couple of things: - * 1) Fill in the actual SCSI command. - * 2) Fill in any other upper-level specific fields - * (timeout). + * All other command types are not supported. * - * If this returns 0, it means that the request failed - * (reading past end of disk, reading offline device, - * etc). This won't actually talk to the device, but - * some kinds of consistency checking may cause the - * request to be rejected immediately. + * Note that these days the SCSI subsystem does not use + * REQ_TYPE_SPECIAL requests anymore. These are only used + * (directly or via blk_insert_request) by non-SCSI drivers. */ + blk_dump_rq_flags(req, "SCSI bad req"); + ret = BLKPREP_KILL; + break; + } - /* - * This sets up the scatter-gather table (allocating if - * required). - */ - ret = scsi_init_io(cmd); - switch(ret) { - /* For BLKPREP_KILL/DEFER the cmd was released */ - case BLKPREP_KILL: - goto kill; - case BLKPREP_DEFER: - goto defer; - } - + out: + switch (ret) { + case BLKPREP_KILL: + req->errors = DID_NO_CONNECT << 16; + break; + case BLKPREP_DEFER: /* - * Initialize the actual SCSI command for this request. + * If we defer, the elv_next_request() returns NULL, but the + * queue must be restarted, so we plug here if no returning + * command will automatically do that. */ - if (blk_pc_request(req)) { - scsi_setup_blk_pc_cmnd(cmd); - } else if (req->rq_disk) { - struct scsi_driver *drv; - - drv = *(struct scsi_driver **)req->rq_disk->private_data; - if (unlikely(!drv->init_command(cmd))) { - scsi_release_buffers(cmd); - scsi_put_command(cmd); - goto kill; - } - } + if (sdev->device_busy == 0) + blk_plug_device(q); + break; + default: + req->cmd_flags |= REQ_DONTPREP; } - /* - * The request is now prepped, no need to come back here - */ - req->cmd_flags |= REQ_DONTPREP; - return BLKPREP_OK; - - defer: - /* If we defer, the elv_next_request() returns NULL, but the - * queue must be restarted, so we plug here if no returning - * command will automatically do that. */ - if (sdev->device_busy == 0) - blk_plug_device(q); - return BLKPREP_DEFER; - kill: - req->errors = DID_NO_CONNECT << 16; - return BLKPREP_KILL; + return ret; } /* -- cgit v1.2.3 From 4f777ed26086452737ea52597cf8de26137090d5 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sat, 4 Nov 2006 20:11:36 +0100 Subject: [SCSI] kill scsi_assign_lock scsi_assign_lock has been unused for a long time and is a bad idea in general, so kill it. Signed-off-by: Christoph Hellwig Signed-off-by: James Bottomley --- drivers/scsi/hosts.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 68ef1636678..2ffdc9e0532 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -301,8 +301,8 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) if (!shost) return NULL; - spin_lock_init(&shost->default_lock); - scsi_assign_lock(shost, &shost->default_lock); + shost->host_lock = &shost->default_lock; + spin_lock_init(shost->host_lock); shost->shost_state = SHOST_CREATED; INIT_LIST_HEAD(&shost->__devices); INIT_LIST_HEAD(&shost->__targets); -- cgit v1.2.3 From fd44bab5c709bbcd30fbebe9ad45a76c58cd32a7 Mon Sep 17 00:00:00 2001 From: Luben Tuikov Date: Wed, 15 Nov 2006 12:47:08 -0800 Subject: [SCSI] sd: clearer output of disk cache state Signed-off-by: Luben Tuikov Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 152f4ff4ed7..f6a452846fa 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1467,7 +1467,6 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr); if (scsi_status_is_good(res)) { - int ct = 0; int offset = data.header_length + data.block_descriptor_length; if (offset >= SD_BUF_SIZE - 2) { @@ -1496,11 +1495,13 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, sdkp->DPOFUA = 0; } - ct = sdkp->RCD + 2*sdkp->WCE; - - printk(KERN_NOTICE "SCSI device %s: drive cache: %s%s\n", - diskname, sd_cache_types[ct], - sdkp->DPOFUA ? " w/ FUA" : ""); + printk(KERN_NOTICE "SCSI device %s: " + "write cache: %s, read cache: %s, %s\n", + diskname, + sdkp->WCE ? "enabled" : "disabled", + sdkp->RCD ? "disabled" : "enabled", + sdkp->DPOFUA ? "supports DPO and FUA" + : "doesn't support DPO or FUA"); return; } -- cgit v1.2.3 From 42252854011b31fe63ffeca44ac941e6fe8277ae Mon Sep 17 00:00:00 2001 From: Kai Makisara Date: Tue, 7 Nov 2006 21:56:38 +0200 Subject: [SCSI] st: log message changes Printk -> sdev_printk change originally from Luben Tuikov . Loglevel changes prompted by Matthew Wilcox . Signed-off-by: Kai Makisara Signed-off-by: James Bottomley --- drivers/scsi/st.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 3babdc76b3f..febfac97ad3 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -9,7 +9,7 @@ Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky, Michael Schaefer, J"org Weule, and Eric Youngdale. - Copyright 1992 - 2005 Kai Makisara + Copyright 1992 - 2006 Kai Makisara email Kai.Makisara@kolumbus.fi Some small formal changes - aeb, 950809 @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch Devfs support */ -static const char *verstr = "20050830"; +static const char *verstr = "20061107"; #include @@ -999,7 +999,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp) STp->min_block = ((STp->buffer)->b_data[4] << 8) | (STp->buffer)->b_data[5]; if ( DEB( debugging || ) !STp->inited) - printk(KERN_WARNING + printk(KERN_INFO "%s: Block limits %d - %d bytes.\n", name, STp->min_block, STp->max_block); } else { @@ -1221,7 +1221,7 @@ static int st_flush(struct file *filp, fl_owner_t id) } DEBC( if (STp->nbr_requests) - printk(KERN_WARNING "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n", + printk(KERN_DEBUG "%s: Number of r/w requests %d, dio used in %d, pages %d (%d).\n", name, STp->nbr_requests, STp->nbr_dio, STp->nbr_pages, STp->nbr_combinable)); if (STps->rw == ST_WRITING && !STp->pos_unknown) { @@ -4053,11 +4053,11 @@ static int st_probe(struct device *dev) goto out_free_tape; } - sdev_printk(KERN_WARNING, SDp, + sdev_printk(KERN_NOTICE, SDp, "Attached scsi tape %s\n", tape_name(tpnt)); - printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n", - tape_name(tpnt), tpnt->try_dio ? "yes" : "no", - queue_dma_alignment(SDp->request_queue) + 1); + sdev_printk(KERN_INFO, SDp, "%s: try direct i/o: %s (alignment %d B)\n", + tape_name(tpnt), tpnt->try_dio ? "yes" : "no", + queue_dma_alignment(SDp->request_queue) + 1); return 0; -- cgit v1.2.3 From 08157cd0787004e2ebf9ee8cc92257244da53848 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 8 Nov 2006 19:56:19 -0800 Subject: [SCSI] SCSI/aha1740: handle SCSI API errors Signed-off-by: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/aha1740.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index c3c38a7e8d3..d7af9c63a04 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -586,7 +586,7 @@ static struct scsi_host_template aha1740_template = { static int aha1740_probe (struct device *dev) { - int slotbase; + int slotbase, rc; unsigned int irq_level, irq_type, translation; struct Scsi_Host *shpnt; struct aha1740_hostdata *host; @@ -641,10 +641,16 @@ static int aha1740_probe (struct device *dev) } eisa_set_drvdata (edev, shpnt); - scsi_add_host (shpnt, dev); /* XXX handle failure */ + + rc = scsi_add_host (shpnt, dev); + if (rc) + goto err_irq; + scsi_scan_host (shpnt); return 0; + err_irq: + free_irq(irq_level, shpnt); err_unmap: dma_unmap_single (&edev->dev, host->ecb_dma_addr, sizeof (host->ecb), DMA_BIDIRECTIONAL); -- cgit v1.2.3 From bf4713418b9d8543e7b64bf6c742f1959828033e Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 8 Nov 2006 19:56:24 -0800 Subject: [SCSI] revert "[SCSI] ips soft lockup during reset/initialization" Revert 15084a4a63bc300c18b28a8a9afac870c552abce - it caused a scheduling-inside-spinlock bug. Cc: Nishanth Aravamudan Cc: Nick Piggin Cc: Jack Hammer Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/ips.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index f06a06ae609..8b704f73055 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -5001,7 +5001,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 45) @@ -5027,7 +5027,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 240) @@ -5045,7 +5045,7 @@ ips_init_copperhead(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) @@ -5095,7 +5095,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 45) @@ -5121,7 +5121,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (j >= 240) @@ -5139,7 +5139,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) @@ -5191,7 +5191,7 @@ ips_init_morpheus(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 45) { @@ -5217,7 +5217,7 @@ ips_init_morpheus(ips_ha_t * ha) if (Post != 0x4F00) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 120) { @@ -5247,7 +5247,7 @@ ips_init_morpheus(ips_ha_t * ha) break; /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); } if (i >= 240) { @@ -5307,12 +5307,12 @@ ips_reset_copperhead(ips_ha_t * ha) outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); outb(0, ha->io_addr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); if ((*ha->func.init) (ha)) break; @@ -5352,12 +5352,12 @@ ips_reset_copperhead_memio(ips_ha_t * ha) writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); writeb(0, ha->mem_ptr + IPS_REG_SCPR); /* Delay for 1 Second */ - msleep(IPS_ONE_SEC); + MDELAY(IPS_ONE_SEC); if ((*ha->func.init) (ha)) break; @@ -5398,7 +5398,7 @@ ips_reset_morpheus(ips_ha_t * ha) writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR); /* Delay for 5 Seconds */ - msleep(5 * IPS_ONE_SEC); + MDELAY(5 * IPS_ONE_SEC); /* Do a PCI config read to wait for adapter */ pci_read_config_byte(ha->pcidev, 4, &junk); -- cgit v1.2.3 From db3a8815fb03f9985713b4ab29e208b7074f939c Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 8 Nov 2006 19:56:20 -0800 Subject: [SCSI] minor bug fixes and cleanups BusLogic: use kzalloc(), remove cast to/from void* aic7xxx_old: fix typo in cast NCR53c406a: ifdef out static built code fd_mcs: ifdef out static built code ncr53c8xx: ifdef out static built code Signed-off-by: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/BusLogic.c | 12 ++++++------ drivers/scsi/NCR53c406a.c | 5 +++++ drivers/scsi/fd_mcs.c | 2 ++ drivers/scsi/ncr53c8xx.c | 19 +++++++++++-------- 4 files changed, 24 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index 7c59bba9879..689dc4cc789 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2186,21 +2186,21 @@ static int __init BusLogic_init(void) if (BusLogic_ProbeOptions.NoProbe) return -ENODEV; - BusLogic_ProbeInfoList = (struct BusLogic_ProbeInfo *) - kmalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_ATOMIC); + BusLogic_ProbeInfoList = + kzalloc(BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo), GFP_KERNEL); if (BusLogic_ProbeInfoList == NULL) { BusLogic_Error("BusLogic: Unable to allocate Probe Info List\n", NULL); return -ENOMEM; } - memset(BusLogic_ProbeInfoList, 0, BusLogic_MaxHostAdapters * sizeof(struct BusLogic_ProbeInfo)); - PrototypeHostAdapter = (struct BusLogic_HostAdapter *) - kmalloc(sizeof(struct BusLogic_HostAdapter), GFP_ATOMIC); + + PrototypeHostAdapter = + kzalloc(sizeof(struct BusLogic_HostAdapter), GFP_KERNEL); if (PrototypeHostAdapter == NULL) { kfree(BusLogic_ProbeInfoList); BusLogic_Error("BusLogic: Unable to allocate Prototype " "Host Adapter\n", NULL); return -ENOMEM; } - memset(PrototypeHostAdapter, 0, sizeof(struct BusLogic_HostAdapter)); + #ifdef MODULE if (BusLogic != NULL) BusLogic_Setup(BusLogic); diff --git a/drivers/scsi/NCR53c406a.c b/drivers/scsi/NCR53c406a.c index d4613815f68..8578555d58f 100644 --- a/drivers/scsi/NCR53c406a.c +++ b/drivers/scsi/NCR53c406a.c @@ -220,9 +220,11 @@ static void *addresses[] = { static unsigned short ports[] = { 0x230, 0x330, 0x280, 0x290, 0x330, 0x340, 0x300, 0x310, 0x348, 0x350 }; #define PORT_COUNT ARRAY_SIZE(ports) +#ifndef MODULE /* possible interrupt channels */ static unsigned short intrs[] = { 10, 11, 12, 15 }; #define INTR_COUNT ARRAY_SIZE(intrs) +#endif /* !MODULE */ /* signatures for NCR 53c406a based controllers */ #if USE_BIOS @@ -605,6 +607,7 @@ static int NCR53c406a_release(struct Scsi_Host *shost) return 0; } +#ifndef MODULE /* called from init/main.c */ static int __init NCR53c406a_setup(char *str) { @@ -661,6 +664,8 @@ static int __init NCR53c406a_setup(char *str) __setup("ncr53c406a=", NCR53c406a_setup); +#endif /* !MODULE */ + static const char *NCR53c406a_info(struct Scsi_Host *SChost) { DEB(printk("NCR53c406a_info called\n")); diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index ef8285c326e..668569e8856 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -294,6 +294,7 @@ static struct Scsi_Host *hosts[FD_MAX_HOSTS + 1] = { NULL }; static int user_fifo_count = 0; static int user_fifo_size = 0; +#ifndef MODULE static int __init fd_mcs_setup(char *str) { static int done_setup = 0; @@ -311,6 +312,7 @@ static int __init fd_mcs_setup(char *str) } __setup("fd_mcs=", fd_mcs_setup); +#endif /* !MODULE */ static void print_banner(struct Scsi_Host *shpnt) { diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 6cc2bc2f62b..5a88fa0b2fc 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -589,10 +589,12 @@ static int __map_scsi_sg_data(struct device *dev, struct scsi_cmnd *cmd) static struct ncr_driver_setup driver_setup = SCSI_NCR_DRIVER_SETUP; +#ifndef MODULE #ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT static struct ncr_driver_setup driver_safe_setup __initdata = SCSI_NCR_DRIVER_SAFE_SETUP; #endif +#endif /* !MODULE */ #define initverbose (driver_setup.verbose) #define bootverbose (np->verbose) @@ -641,6 +643,13 @@ static struct ncr_driver_setup #define OPT_IARB 26 #endif +#ifdef MODULE +#define ARG_SEP ' ' +#else +#define ARG_SEP ',' +#endif + +#ifndef MODULE static char setup_token[] __initdata = "tags:" "mpar:" "spar:" "disc:" @@ -660,12 +669,6 @@ static char setup_token[] __initdata = #endif ; /* DONNOT REMOVE THIS ';' */ -#ifdef MODULE -#define ARG_SEP ' ' -#else -#define ARG_SEP ',' -#endif - static int __init get_setup_token(char *p) { char *cur = setup_token; @@ -682,7 +685,6 @@ static int __init get_setup_token(char *p) return 0; } - static int __init sym53c8xx__setup(char *str) { #ifdef SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT @@ -804,6 +806,7 @@ static int __init sym53c8xx__setup(char *str) #endif /* SCSI_NCR_BOOT_COMMAND_LINE_SUPPORT */ return 1; } +#endif /* !MODULE */ /*=================================================================== ** @@ -8321,12 +8324,12 @@ char *ncr53c8xx; /* command line passed by insmod */ module_param(ncr53c8xx, charp, 0); #endif +#ifndef MODULE static int __init ncr53c8xx_setup(char *str) { return sym53c8xx__setup(str); } -#ifndef MODULE __setup("ncr53c8xx=", ncr53c8xx_setup); #endif -- cgit v1.2.3 From e5f82ab8342b527231cfcccde1fe265666e86b7b Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 8 Nov 2006 19:55:50 -0800 Subject: [SCSI] qla2xxx: make some functions static This patch makes some needlessly global functions static. Signed-off-by: Adrian Bunk Acked-by: Andrew Vasquez Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_os.c | 12 ++++++------ drivers/scsi/qla2xxx/qla_sup.c | 8 ++++---- 2 files changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 3f20d765563..5e70c49fdf8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -274,7 +274,7 @@ qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) return str; } -char * +static char * qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) { char un_str[10]; @@ -312,7 +312,7 @@ qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) return (str); } -char * +static char * qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) { sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, @@ -621,7 +621,7 @@ qla2x00_block_error_handler(struct scsi_cmnd *cmnd) * Note: * Only return FAILED if command not returned by firmware. **************************************************************************/ -int +static int qla2xxx_eh_abort(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -758,7 +758,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) * SUCCESS/FAILURE (defined as macro in scsi.h). * **************************************************************************/ -int +static int qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -889,7 +889,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) * SUCCESS/FAILURE (defined as macro in scsi.h). * **************************************************************************/ -int +static int qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); @@ -950,7 +950,7 @@ eh_bus_reset_done: * * Note: **************************************************************************/ -int +static int qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *ha = to_qla_host(cmd->device->host); diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index c71dbd5bd54..15390ad8745 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -449,7 +449,7 @@ nvram_data_to_access_addr(uint32_t naddr) return FARX_ACCESS_NVRAM_DATA | naddr; } -uint32_t +static uint32_t qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr) { int rval; @@ -490,7 +490,7 @@ qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, return dwptr; } -int +static int qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data) { int rval; @@ -512,7 +512,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data) return rval; } -void +static void qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id, uint8_t *flash_id) { @@ -537,7 +537,7 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id, } } -int +static int qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, uint32_t dwords) { -- cgit v1.2.3 From 297295ae6653af1356dd35a8edc411e2715aec57 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 8 Nov 2006 19:56:26 -0800 Subject: [SCSI] ips: fix soft lockup during reset initialization Resetting the adapter causes the ServeRAID driver to exceed the max time allowed by the softlock watchdog. Resetting the hardware can easily require 30 or more seconds. To avoid the "BUG: soft lockup detected on CPU#0!" result, this patch adds a touch_nmi_watchdog() to the driver's MDELAY macro. Cc: Nishanth Aravamudan Cc: Nick Piggin Acked-by: Jack Hammer Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/ips.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h index 34680f3dd45..b726dcc424b 100644 --- a/drivers/scsi/ips.h +++ b/drivers/scsi/ips.h @@ -51,6 +51,7 @@ #define _IPS_H_ #include +#include #include #include @@ -116,9 +117,11 @@ dev_printk(level , &((pcidev)->dev) , format , ## arg) #endif - #ifndef MDELAY - #define MDELAY mdelay - #endif + #define MDELAY(n) \ + do { \ + mdelay(n); \ + touch_nmi_watchdog(); \ + } while (0) #ifndef min #define min(x,y) ((x) < (y) ? x : y) -- cgit v1.2.3 From 667c667f86c87cd4f72296d650e5e65f2d89cb31 Mon Sep 17 00:00:00 2001 From: Henne Date: Wed, 8 Nov 2006 19:56:28 -0800 Subject: [SCSI] scsi: t128 scsi_cmnd convertion Changes the obsolete Scsi_Cmnd to struct scsi_cmnd and remove the trailing whitespaces. Signed-off-by: Henrik Kretzschmar Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/t128.h | 39 ++++++++++++++++++++------------------- 1 file changed, 20 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/t128.h b/drivers/scsi/t128.h index 646e840266e..76a069b7ac0 100644 --- a/drivers/scsi/t128.h +++ b/drivers/scsi/t128.h @@ -8,20 +8,20 @@ * drew@colorado.edu * +1 (303) 440-4894 * - * DISTRIBUTION RELEASE 3. + * DISTRIBUTION RELEASE 3. * - * For more information, please consult + * For more information, please consult * * Trantor Systems, Ltd. * T128/T128F/T228 SCSI Host Adapter * Hardware Specifications - * - * Trantor Systems, Ltd. + * + * Trantor Systems, Ltd. * 5415 Randall Place * Fremont, CA 94538 * 1+ (415) 770-1400, FAX 1+ (415) 770-9910 - * - * and + * + * and * * NCR 5380 Family * SCSI Protocol Controller @@ -48,15 +48,15 @@ #define TDEBUG_TRANSFER 0x2 /* - * The trantor boards are memory mapped. They use an NCR5380 or + * The trantor boards are memory mapped. They use an NCR5380 or * equivalent (my sample board had part second sourced from ZILOG). - * NCR's recommended "Pseudo-DMA" architecture is used, where + * NCR's recommended "Pseudo-DMA" architecture is used, where * a PAL drives the DMA signals on the 5380 allowing fast, blind - * transfers with proper handshaking. + * transfers with proper handshaking. */ /* - * Note : a boot switch is provided for the purpose of informing the + * Note : a boot switch is provided for the purpose of informing the * firmware to boot or not boot from attached SCSI devices. So, I imagine * there are fewer people who've yanked the ROM like they do on the Seagate * to make bootup faster, and I'll probably use this for autodetection. @@ -92,19 +92,20 @@ #define T_DATA_REG_OFFSET 0x1e00 /* rw 512 bytes long */ #ifndef ASM -static int t128_abort(Scsi_Cmnd *); +static int t128_abort(struct scsi_cmnd *); static int t128_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int t128_detect(struct scsi_host_template *); -static int t128_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); -static int t128_bus_reset(Scsi_Cmnd *); +static int t128_queue_command(struct scsi_cmnd *, + void (*done)(struct scsi_cmnd *)); +static int t128_bus_reset(struct scsi_cmnd *); #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE -#define CAN_QUEUE 32 +#define CAN_QUEUE 32 #endif #ifndef HOSTS_C @@ -120,7 +121,7 @@ static int t128_bus_reset(Scsi_Cmnd *); #define T128_address(reg) (base + T_5380_OFFSET + ((reg) * 0x20)) -#if !(TDEBUG & TDEBUG_TRANSFER) +#if !(TDEBUG & TDEBUG_TRANSFER) #define NCR5380_read(reg) readb(T128_address(reg)) #define NCR5380_write(reg, value) writeb((value),(T128_address(reg))) #else @@ -129,7 +130,7 @@ static int t128_bus_reset(Scsi_Cmnd *); , instance->hostno, (reg), T128_address(reg))), readb(T128_address(reg))) #define NCR5380_write(reg, value) { \ - printk("scsi%d : write %02x to register %d at address %08x\n", \ + printk("scsi%d : write %02x to register %d at address %08x\n", \ instance->hostno, (value), (reg), T128_address(reg)); \ writeb((value), (T128_address(reg))); \ } @@ -142,10 +143,10 @@ static int t128_bus_reset(Scsi_Cmnd *); #define NCR5380_bus_reset t128_bus_reset #define NCR5380_proc_info t128_proc_info -/* 15 14 12 10 7 5 3 +/* 15 14 12 10 7 5 3 1101 0100 1010 1000 */ - -#define T128_IRQS 0xc4a8 + +#define T128_IRQS 0xc4a8 #endif /* else def HOSTS_C */ #endif /* ndef ASM */ -- cgit v1.2.3 From 504fb37a0801d843bc1907c1a1f9c719c3509863 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 9 Nov 2006 10:09:35 +0100 Subject: [SCSI] fix module unload induced compile warning Signed-off-by: Ingo Molnar Signed-off-by: James Bottomley --- drivers/scsi/scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index c59f31533ab..780d6dc92b4 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -871,9 +871,9 @@ EXPORT_SYMBOL(scsi_device_get); */ void scsi_device_put(struct scsi_device *sdev) { +#ifdef CONFIG_MODULE_UNLOAD struct module *module = sdev->host->hostt->module; -#ifdef CONFIG_MODULE_UNLOAD /* The module refcount will be zero if scsi_device_get() * was called from a module removal routine */ if (module && module_refcount(module) != 0) -- cgit v1.2.3 From 00081d3729a450c37afb01c01528f4f305806d86 Mon Sep 17 00:00:00 2001 From: Jason Parekh Date: Fri, 17 Nov 2006 01:05:58 -0500 Subject: Input: appletouch - verious updates for MacBooks Change a bit the finger detection method used by the appletouch driver to reduce touchpad "jumpiness": - Adjust the method for detecting multiple fingers. Previously, it recognized a new finger when a low sensor reading is followed by a high sensor reading. The new method checks for 'humps' in the sensor readings, so there doesn't necessarily have to be a low sensor between two high sensors for two fingers to be triggered. This allows detecting presence of two fingers on the touchpad even when they touch each other. - Change absolute coordinate calculation to us to get rid of "jumps". Instead of using full value from a sensor once it passes the threshold subtract theshold value from the reading. - Allow adjusting threshold value via module parameter. The patch doesn't seem to affect the Powerbooks but does greatly improve the touchpad behaviour on the MacBooks. Signed-off-by: Jason Parekh Signed-off-by: Stelian Pop Signed-off-by: Dmitry Torokhov --- drivers/usb/input/appletouch.c | 47 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c index 4c213513484..4825db4b256 100644 --- a/drivers/usb/input/appletouch.c +++ b/drivers/usb/input/appletouch.c @@ -154,6 +154,13 @@ MODULE_AUTHOR("Johannes Berg, Stelian Pop, Frank Arnold, Michael Hanselmann"); MODULE_DESCRIPTION("Apple PowerBooks USB touchpad driver"); MODULE_LICENSE("GPL"); +/* + * Make the threshold a module parameter + */ +static int threshold = ATP_THRESHOLD; +module_param(threshold, int, 0644); +MODULE_PARM_DESC(threshold, "Discards any change in data from a sensor (trackpad has hundreds of these sensors) less than this value"); + static int debug = 1; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Activate debugging output"); @@ -183,16 +190,48 @@ static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact, int i; /* values to calculate mean */ int pcum = 0, psum = 0; + int is_increasing = 0; *fingers = 0; for (i = 0; i < nb_sensors; i++) { - if (xy_sensors[i] < ATP_THRESHOLD) + if (xy_sensors[i] < threshold) { + if (is_increasing) + is_increasing = 0; + continue; - if ((i - 1 < 0) || (xy_sensors[i - 1] < ATP_THRESHOLD)) + } + + /* + * Makes the finger detection more versatile. For example, + * two fingers with no gap will be detected. Also, my + * tests show it less likely to have intermittent loss + * of multiple finger readings while moving around (scrolling). + * + * Changes the multiple finger detection to counting humps on + * sensors (transitions from nonincreasing to increasing) + * instead of counting transitions from low sensors (no + * finger reading) to high sensors (finger above + * sensor) + * + * - Jason Parekh + */ + if (i < 1 || (!is_increasing && xy_sensors[i - 1] < xy_sensors[i])) { (*fingers)++; - pcum += xy_sensors[i] * i; - psum += xy_sensors[i]; + is_increasing = 1; + } else if (i > 0 && xy_sensors[i - 1] >= xy_sensors[i]) { + is_increasing = 0; + } + + /* + * Subtracts threshold so a high sensor that just passes the threshold + * won't skew the calculated absolute coordinate. Fixes an issue + * where slowly moving the mouse would occassionaly jump a number of + * pixels (let me restate--slowly moving the mouse makes this issue + * most apparent). + */ + pcum += (xy_sensors[i] - threshold) * i; + psum += (xy_sensors[i] - threshold); } if (psum > 0) { -- cgit v1.2.3 From 009ad0e7b43d6cabd74e47db6180f14315b71417 Mon Sep 17 00:00:00 2001 From: Julien BLACHE Date: Fri, 17 Nov 2006 01:06:13 -0500 Subject: Input: appletouch - add Geyser IV support The new Core2 Duo MacBook Pro has a new keyboard+trackpad named "Geyser IV". According to the Info.plist in the OS X kext, it looks like the Geyser IV trackpad is identical to the Geyser III trackpad: same IOClass (AppleUSBGrIIITrackpad), same acceleration tables. Signed-off-by: Julien BLACHE Signed-off-by: Dmitry Torokhov --- drivers/usb/input/appletouch.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c index 4825db4b256..69c445620f1 100644 --- a/drivers/usb/input/appletouch.c +++ b/drivers/usb/input/appletouch.c @@ -47,6 +47,14 @@ #define GEYSER3_ISO_PRODUCT_ID 0x0218 #define GEYSER3_JIS_PRODUCT_ID 0x0219 +/* + * Geyser IV: same as Geyser III according to Info.plist in AppleUSBTrackpad.kext + * -> same IOClass (AppleUSBGrIIITrackpad), same acceleration tables + */ +#define GEYSER4_ANSI_PRODUCT_ID 0x021A +#define GEYSER4_ISO_PRODUCT_ID 0x021B +#define GEYSER4_JIS_PRODUCT_ID 0x021C + #define ATP_DEVICE(prod) \ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ USB_DEVICE_ID_MATCH_INT_CLASS | \ @@ -68,10 +76,16 @@ static struct usb_device_id atp_table [] = { { ATP_DEVICE(GEYSER_ISO_PRODUCT_ID) }, { ATP_DEVICE(GEYSER_JIS_PRODUCT_ID) }, + /* Core Duo MacBook & MacBook Pro */ { ATP_DEVICE(GEYSER3_ANSI_PRODUCT_ID) }, { ATP_DEVICE(GEYSER3_ISO_PRODUCT_ID) }, { ATP_DEVICE(GEYSER3_JIS_PRODUCT_ID) }, + /* Core2 Duo MacBook & MacBook Pro */ + { ATP_DEVICE(GEYSER4_ANSI_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER4_ISO_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER4_JIS_PRODUCT_ID) }, + /* Terminating entry */ { } }; @@ -108,7 +122,7 @@ MODULE_DEVICE_TABLE (usb, atp_table); */ #define ATP_THRESHOLD 5 -/* MacBook Pro (Geyser 3) initialization constants */ +/* MacBook Pro (Geyser 3 & 4) initialization constants */ #define ATP_GEYSER3_MODE_READ_REQUEST_ID 1 #define ATP_GEYSER3_MODE_WRITE_REQUEST_ID 9 #define ATP_GEYSER3_MODE_REQUEST_VALUE 0x300 @@ -181,7 +195,10 @@ static inline int atp_is_geyser_3(struct atp *dev) return (productId == GEYSER3_ANSI_PRODUCT_ID) || (productId == GEYSER3_ISO_PRODUCT_ID) || - (productId == GEYSER3_JIS_PRODUCT_ID); + (productId == GEYSER3_JIS_PRODUCT_ID) || + (productId == GEYSER4_ANSI_PRODUCT_ID) || + (productId == GEYSER4_ISO_PRODUCT_ID) || + (productId == GEYSER4_JIS_PRODUCT_ID); } static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact, -- cgit v1.2.3 From e5d9832c207f952e15ccddda5f2d52c94036acd7 Mon Sep 17 00:00:00 2001 From: Julien BLACHE Date: Fri, 17 Nov 2006 01:06:25 -0500 Subject: Input: appletouch - use canonical names in USB IDs Small readability improvement for appletouch: use canonical names instead of raw USB IDs for some of the devices. Signed-off-by: Julien BLACHE Signed-off-by: Dmitry Torokhov --- drivers/usb/input/appletouch.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c index 69c445620f1..c77291d3d06 100644 --- a/drivers/usb/input/appletouch.c +++ b/drivers/usb/input/appletouch.c @@ -38,14 +38,21 @@ #define APPLE_VENDOR_ID 0x05AC /* These names come from Info.plist in AppleUSBTrackpad.kext */ -#define GEYSER_ANSI_PRODUCT_ID 0x0214 -#define GEYSER_ISO_PRODUCT_ID 0x0215 -#define GEYSER_JIS_PRODUCT_ID 0x0216 +#define FOUNTAIN_ANSI_PRODUCT_ID 0x020E +#define FOUNTAIN_ISO_PRODUCT_ID 0x020F + +#define FOUNTAIN_TP_ONLY_PRODUCT_ID 0x030A + +#define GEYSER1_TP_ONLY_PRODUCT_ID 0x030B + +#define GEYSER_ANSI_PRODUCT_ID 0x0214 +#define GEYSER_ISO_PRODUCT_ID 0x0215 +#define GEYSER_JIS_PRODUCT_ID 0x0216 /* MacBook devices */ -#define GEYSER3_ANSI_PRODUCT_ID 0x0217 -#define GEYSER3_ISO_PRODUCT_ID 0x0218 -#define GEYSER3_JIS_PRODUCT_ID 0x0219 +#define GEYSER3_ANSI_PRODUCT_ID 0x0217 +#define GEYSER3_ISO_PRODUCT_ID 0x0218 +#define GEYSER3_JIS_PRODUCT_ID 0x0219 /* * Geyser IV: same as Geyser III according to Info.plist in AppleUSBTrackpad.kext @@ -66,10 +73,10 @@ /* table of devices that work with this driver */ static struct usb_device_id atp_table [] = { - { ATP_DEVICE(0x020E) }, - { ATP_DEVICE(0x020F) }, - { ATP_DEVICE(0x030A) }, - { ATP_DEVICE(0x030B) }, + { ATP_DEVICE(FOUNTAIN_ANSI_PRODUCT_ID) }, + { ATP_DEVICE(FOUNTAIN_ISO_PRODUCT_ID) }, + { ATP_DEVICE(FOUNTAIN_TP_ONLY_PRODUCT_ID) }, + { ATP_DEVICE(GEYSER1_TP_ONLY_PRODUCT_ID) }, /* PowerBooks Oct 2005 */ { ATP_DEVICE(GEYSER_ANSI_PRODUCT_ID) }, -- cgit v1.2.3 From 5b44f1aaee7e3b24f6e21662d7fef1534111a2df Mon Sep 17 00:00:00 2001 From: Stelian Pop Date: Fri, 17 Nov 2006 01:06:36 -0500 Subject: Input: MAC mouse button emulation - relax dependencies Mouse button emulation for the one-button mouse Apple machines isn't restricted to older ADB based machines. There are PPC Powerbooks where the keyboard and the mouse are no longer on the ADB bus but regular USB, and users still like (and need) to be able to emulate the middle mouse button with F11 and the right mouse button with F12. Signed-off-by: Dmitry Torokhov --- drivers/macintosh/Kconfig | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 7f8477d3a66..31015d55d35 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -162,7 +162,6 @@ config INPUT_ADBHID config MAC_EMUMOUSEBTN bool "Support for mouse button 2+3 emulation" - depends on INPUT_ADBHID help This provides generic support for emulating the 2nd and 3rd mouse button with keypresses. If you say Y here, the emulation is still -- cgit v1.2.3 From 6c595fb12fa6c1fe382cc086fdade4acd93c643f Mon Sep 17 00:00:00 2001 From: Marton Nemeth Date: Fri, 17 Nov 2006 01:06:54 -0500 Subject: Input: mousedev - remap BTN_FORWARD from BTN_LEFT to BTN_MIDDLE In mousedev the BTN_LEFT and BTN_FORWARD were mapped to mouse button 0, causing that the user space program cannot distinguish between them through /dev/input/mice. All mice have BTN_LEFT, but not all have BTN_MIDDLE (e.g. Clevo D410J laptop). Mapping BTN_FORWARD to mouse button 2 makes the BTN_FORWARD button useful on this laptop. Signed-off-by: Marton Nemeth Signed-off-by: Dmitry Torokhov --- drivers/input/mousedev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index a22a74a2a3d..664bcc8116f 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -196,12 +196,12 @@ static void mousedev_key_event(struct mousedev *mousedev, unsigned int code, int switch (code) { case BTN_TOUCH: case BTN_0: - case BTN_FORWARD: case BTN_LEFT: index = 0; break; case BTN_STYLUS: case BTN_1: case BTN_RIGHT: index = 1; break; case BTN_2: + case BTN_FORWARD: case BTN_STYLUS2: case BTN_MIDDLE: index = 2; break; case BTN_3: -- cgit v1.2.3 From a216a4b6e6f1fdfd3d1f20f03d9d45f05a63d643 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 17 Nov 2006 01:07:06 -0500 Subject: Input: i8042 - fix shutdown issue on some boxes with active MUXes MUX error handling has a workaround for KBCs that get confused which port data came from and signal MUXERR while data is actually good. Unfortunately this workaround hurts with KBCs that signal timeouts as 0xfc (spec says that only 0xfd, 0xfe and 0xff are alowed with MUXERR) since it causes endless attempts to rescan i8042 serio ports. The solution is to treat 0xfc as timeout (0xfe). Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index d365f227ac5..debe9445488 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -322,23 +322,27 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id) dfl = 0; if (str & I8042_STR_MUXERR) { dbg("MUX error, status is %02x, data is %02x", str, data); - switch (data) { - default: /* * When MUXERR condition is signalled the data register can only contain * 0xfd, 0xfe or 0xff if implementation follows the spec. Unfortunately - * it is not always the case. Some KBC just get confused which port the - * data came from and signal error leaving the data intact. They _do not_ - * revert to legacy mode (actually I've never seen KBC reverting to legacy - * mode yet, when we see one we'll add proper handling). - * Anyway, we will assume that the data came from the same serio last byte + * it is not always the case. Some KBCs also report 0xfc when there is + * nothing connected to the port while others sometimes get confused which + * port the data came from and signal error leaving the data intact. They + * _do not_ revert to legacy mode (actually I've never seen KBC reverting + * to legacy mode yet, when we see one we'll add proper handling). + * Anyway, we process 0xfc, 0xfd, 0xfe and 0xff as timeouts, and for the + * rest assume that the data came from the same serio last byte * was transmitted (if transmission happened not too long ago). */ + + switch (data) { + default: if (time_before(jiffies, last_transmit + HZ/10)) { str = last_str; break; } /* fall through - report timeout */ + case 0xfc: case 0xfd: case 0xfe: dfl = SERIO_TIMEOUT; data = 0xfe; break; case 0xff: dfl = SERIO_PARITY; data = 0xfe; break; -- cgit v1.2.3 From f40219bf936bb677566f42758d505e27fad0908e Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Fri, 17 Nov 2006 01:07:26 -0500 Subject: Input: add Philips UCB1400 touchscreen driver Signed-off-by: Nicolas Pitre Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/Kconfig | 15 + drivers/input/touchscreen/Makefile | 1 + drivers/input/touchscreen/ucb1400_ts.c | 579 +++++++++++++++++++++++++++++++++ 3 files changed, 595 insertions(+) create mode 100644 drivers/input/touchscreen/ucb1400_ts.c (limited to 'drivers') diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 9418bbe4707..29ca0ab0acb 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -144,4 +144,19 @@ config TOUCHSCREEN_TOUCHWIN To compile this driver as a module, choose M here: the module will be called touchwin. +config TOUCHSCREEN_UCB1400 + tristate "Philips UCB1400 touchscreen" + select SND_AC97_BUS + help + This enables support for the Philips UCB1400 touchscreen interface. + The UCB1400 is an AC97 audio codec. The touchscreen interface + will be initialized only after the ALSA subsystem has been + brought up and the UCB1400 detected. You therefore have to + configure ALSA support as well (either built-in or modular, + independently of whether this driver is itself built-in or + modular) for this driver to work. + + To compile this driver as a module, choose M here: the + module will be called ucb1400_ts. + endif diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 1abb8f10d60..30e6e2217a1 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -15,3 +15,4 @@ obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o +obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c new file mode 100644 index 00000000000..6ef08369f65 --- /dev/null +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -0,0 +1,579 @@ +/* + * Philips UCB1400 touchscreen driver + * + * Author: Nicolas Pitre + * Created: September 25, 2006 + * Copyright: MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This code is heavily based on ucb1x00-*.c copyrighted by Russell King + * covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has + * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + + +/* + * Interesting UCB1400 AC-link registers + */ + +#define UCB_IE_RIS 0x5e +#define UCB_IE_FAL 0x60 +#define UCB_IE_STATUS 0x62 +#define UCB_IE_CLEAR 0x62 +#define UCB_IE_ADC (1 << 11) +#define UCB_IE_TSPX (1 << 12) + +#define UCB_TS_CR 0x64 +#define UCB_TS_CR_TSMX_POW (1 << 0) +#define UCB_TS_CR_TSPX_POW (1 << 1) +#define UCB_TS_CR_TSMY_POW (1 << 2) +#define UCB_TS_CR_TSPY_POW (1 << 3) +#define UCB_TS_CR_TSMX_GND (1 << 4) +#define UCB_TS_CR_TSPX_GND (1 << 5) +#define UCB_TS_CR_TSMY_GND (1 << 6) +#define UCB_TS_CR_TSPY_GND (1 << 7) +#define UCB_TS_CR_MODE_INT (0 << 8) +#define UCB_TS_CR_MODE_PRES (1 << 8) +#define UCB_TS_CR_MODE_POS (2 << 8) +#define UCB_TS_CR_BIAS_ENA (1 << 11) +#define UCB_TS_CR_TSPX_LOW (1 << 12) +#define UCB_TS_CR_TSMX_LOW (1 << 13) + +#define UCB_ADC_CR 0x66 +#define UCB_ADC_SYNC_ENA (1 << 0) +#define UCB_ADC_VREFBYP_CON (1 << 1) +#define UCB_ADC_INP_TSPX (0 << 2) +#define UCB_ADC_INP_TSMX (1 << 2) +#define UCB_ADC_INP_TSPY (2 << 2) +#define UCB_ADC_INP_TSMY (3 << 2) +#define UCB_ADC_INP_AD0 (4 << 2) +#define UCB_ADC_INP_AD1 (5 << 2) +#define UCB_ADC_INP_AD2 (6 << 2) +#define UCB_ADC_INP_AD3 (7 << 2) +#define UCB_ADC_EXT_REF (1 << 5) +#define UCB_ADC_START (1 << 7) +#define UCB_ADC_ENA (1 << 15) + +#define UCB_ADC_DATA 0x68 +#define UCB_ADC_DAT_VALID (1 << 15) +#define UCB_ADC_DAT_VALUE(x) ((x) & 0x3ff) + +#define UCB_ID 0x7e +#define UCB_ID_1400 0x4304 + + +struct ucb1400 { + ac97_t *ac97; + struct input_dev *ts_idev; + + int irq; + + wait_queue_head_t ts_wait; + struct task_struct *ts_task; + + unsigned int irq_pending; /* not bit field shared */ + unsigned int ts_restart:1; + unsigned int adcsync:1; +}; + +static int adcsync; + +static inline u16 ucb1400_reg_read(struct ucb1400 *ucb, u16 reg) +{ + return ucb->ac97->bus->ops->read(ucb->ac97, reg); +} + +static inline void ucb1400_reg_write(struct ucb1400 *ucb, u16 reg, u16 val) +{ + ucb->ac97->bus->ops->write(ucb->ac97, reg, val); +} + +static inline void ucb1400_adc_enable(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA); +} + +static unsigned int ucb1400_adc_read(struct ucb1400 *ucb, u16 adc_channel) +{ + unsigned int val; + + if (ucb->adcsync) + adc_channel |= UCB_ADC_SYNC_ENA; + + ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel); + ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel | UCB_ADC_START); + + for (;;) { + val = ucb1400_reg_read(ucb, UCB_ADC_DATA); + if (val & UCB_ADC_DAT_VALID) + break; + /* yield to other processes */ + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(1); + } + + return UCB_ADC_DAT_VALUE(val); +} + +static inline void ucb1400_adc_disable(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_ADC_CR, 0); +} + +/* Switch to interrupt mode. */ +static inline void ucb1400_ts_mode_int(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND | + UCB_TS_CR_MODE_INT); +} + +/* + * Switch to pressure mode, and read pressure. We don't need to wait + * here, since both plates are being driven. + */ +static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY); +} + +/* + * Switch to X position mode and measure Y plate. We switch the plate + * configuration in pressure mode, then switch to position mode. This + * gives a faster response time. Even so, we need to wait about 55us + * for things to stabilise. + */ +static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA); + + udelay(55); + + return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY); +} + +/* + * Switch to Y position mode and measure X plate. We switch the plate + * configuration in pressure mode, then switch to position mode. This + * gives a faster response time. Even so, we need to wait about 55us + * for things to stabilise. + */ +static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW | + UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA); + + udelay(55); + + return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPX); +} + +/* + * Switch to X plate resistance mode. Set MX to ground, PX to + * supply. Measure current. + */ +static inline unsigned int ucb1400_ts_read_xres(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + return ucb1400_adc_read(ucb, 0); +} + +/* + * Switch to Y plate resistance mode. Set MY to ground, PY to + * supply. Measure current. + */ +static inline unsigned int ucb1400_ts_read_yres(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_TS_CR, + UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW | + UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA); + return ucb1400_adc_read(ucb, 0); +} + +static inline int ucb1400_ts_pen_down(struct ucb1400 *ucb) +{ + unsigned short val = ucb1400_reg_read(ucb, UCB_TS_CR); + return (val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW)); +} + +static inline void ucb1400_ts_irq_enable(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_IE_CLEAR, UCB_IE_TSPX); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0); + ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_TSPX); +} + +static inline void ucb1400_ts_irq_disable(struct ucb1400 *ucb) +{ + ucb1400_reg_write(ucb, UCB_IE_FAL, 0); +} + +static void ucb1400_ts_evt_add(struct input_dev *idev, u16 pressure, u16 x, u16 y) +{ + input_report_abs(idev, ABS_X, x); + input_report_abs(idev, ABS_Y, y); + input_report_abs(idev, ABS_PRESSURE, pressure); + input_sync(idev); +} + +static void ucb1400_ts_event_release(struct input_dev *idev) +{ + input_report_abs(idev, ABS_PRESSURE, 0); + input_sync(idev); +} + +static void ucb1400_handle_pending_irq(struct ucb1400 *ucb) +{ + unsigned int isr; + + isr = ucb1400_reg_read(ucb, UCB_IE_STATUS); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, isr); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0); + + if (isr & UCB_IE_TSPX) + ucb1400_ts_irq_disable(ucb); + else + printk(KERN_ERR "ucb1400: unexpected IE_STATUS = %#x\n", isr); + + enable_irq(ucb->irq); +} + +static int ucb1400_ts_thread(void *_ucb) +{ + struct ucb1400 *ucb = _ucb; + struct task_struct *tsk = current; + int valid = 0; + + tsk->policy = SCHED_FIFO; + tsk->rt_priority = 1; + + while (!kthread_should_stop()) { + unsigned int x, y, p; + long timeout; + + ucb->ts_restart = 0; + + if (ucb->irq_pending) { + ucb->irq_pending = 0; + ucb1400_handle_pending_irq(ucb); + } + + ucb1400_adc_enable(ucb); + x = ucb1400_ts_read_xpos(ucb); + y = ucb1400_ts_read_ypos(ucb); + p = ucb1400_ts_read_pressure(ucb); + ucb1400_adc_disable(ucb); + + /* Switch back to interrupt mode. */ + ucb1400_ts_mode_int(ucb); + + msleep(10); + + if (ucb1400_ts_pen_down(ucb)) { + ucb1400_ts_irq_enable(ucb); + + /* + * If we spat out a valid sample set last time, + * spit out a "pen off" sample here. + */ + if (valid) { + ucb1400_ts_event_release(ucb->ts_idev); + valid = 0; + } + + timeout = MAX_SCHEDULE_TIMEOUT; + } else { + valid = 1; + ucb1400_ts_evt_add(ucb->ts_idev, p, x, y); + timeout = msecs_to_jiffies(10); + } + + wait_event_interruptible_timeout(ucb->ts_wait, + ucb->irq_pending || ucb->ts_restart || kthread_should_stop(), + timeout); + try_to_freeze(); + } + + /* Send the "pen off" if we are stopping with the pen still active */ + if (valid) + ucb1400_ts_event_release(ucb->ts_idev); + + ucb->ts_task = NULL; + return 0; +} + +/* + * A restriction with interrupts exists when using the ucb1400, as + * the codec read/write routines may sleep while waiting for codec + * access completion and uses semaphores for access control to the + * AC97 bus. A complete codec read cycle could take anywhere from + * 60 to 100uSec so we *definitely* don't want to spin inside the + * interrupt handler waiting for codec access. So, we handle the + * interrupt by scheduling a RT kernel thread to run in process + * context instead of interrupt context. + */ +static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid) +{ + struct ucb1400 *ucb = devid; + + if (irqnr == ucb->irq) { + disable_irq(ucb->irq); + ucb->irq_pending = 1; + wake_up(&ucb->ts_wait); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + +static int ucb1400_ts_open(struct input_dev *idev) +{ + struct ucb1400 *ucb = idev->private; + int ret = 0; + + BUG_ON(ucb->ts_task); + + ucb->ts_task = kthread_run(ucb1400_ts_thread, ucb, "UCB1400_ts"); + if (IS_ERR(ucb->ts_task)) { + ret = PTR_ERR(ucb->ts_task); + ucb->ts_task = NULL; + } + + return ret; +} + +static void ucb1400_ts_close(struct input_dev *idev) +{ + struct ucb1400 *ucb = idev->private; + + if (ucb->ts_task) + kthread_stop(ucb->ts_task); + + ucb1400_ts_irq_disable(ucb); + ucb1400_reg_write(ucb, UCB_TS_CR, 0); +} + +#ifdef CONFIG_PM +static int ucb1400_ts_resume(struct device *dev) +{ + struct ucb1400 *ucb = dev_get_drvdata(dev); + + if (ucb->ts_task) { + /* + * Restart the TS thread to ensure the + * TS interrupt mode is set up again + * after sleep. + */ + ucb->ts_restart = 1; + wake_up(&ucb->ts_wait); + } + return 0; +} +#else +#define ucb1400_ts_resume NULL +#endif + +#ifndef NO_IRQ +#define NO_IRQ 0 +#endif + +/* + * Try to probe our interrupt, rather than relying on lots of + * hard-coded machine dependencies. + */ +static int ucb1400_detect_irq(struct ucb1400 *ucb) +{ + unsigned long mask, timeout; + + mask = probe_irq_on(); + if (!mask) { + probe_irq_off(mask); + return -EBUSY; + } + + /* Enable the ADC interrupt. */ + ucb1400_reg_write(ucb, UCB_IE_RIS, UCB_IE_ADC); + ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_ADC); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0); + + /* Cause an ADC interrupt. */ + ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA); + ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START); + + /* Wait for the conversion to complete. */ + timeout = jiffies + HZ/2; + while (!(ucb1400_reg_read(ucb, UCB_ADC_DATA) & UCB_ADC_DAT_VALID)) { + cpu_relax(); + if (time_after(jiffies, timeout)) { + printk(KERN_ERR "ucb1400: timed out in IRQ probe\n"); + probe_irq_off(mask); + return -ENODEV; + } + } + ucb1400_reg_write(ucb, UCB_ADC_CR, 0); + + /* Disable and clear interrupt. */ + ucb1400_reg_write(ucb, UCB_IE_RIS, 0); + ucb1400_reg_write(ucb, UCB_IE_FAL, 0); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff); + ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0); + + /* Read triggered interrupt. */ + ucb->irq = probe_irq_off(mask); + if (ucb->irq < 0 || ucb->irq == NO_IRQ) + return -ENODEV; + + return 0; +} + +static int ucb1400_ts_probe(struct device *dev) +{ + struct ucb1400 *ucb; + struct input_dev *idev; + int error, id, x_res, y_res; + + ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL); + idev = input_allocate_device(); + if (!ucb || !idev) { + error = -ENOMEM; + goto err_free_devs; + } + + ucb->ts_idev = idev; + ucb->adcsync = adcsync; + ucb->ac97 = to_ac97_t(dev); + init_waitqueue_head(&ucb->ts_wait); + + id = ucb1400_reg_read(ucb, UCB_ID); + if (id != UCB_ID_1400) { + error = -ENODEV; + goto err_free_devs; + } + + error = ucb1400_detect_irq(ucb); + if (error) { + printk(KERN_ERR "UCB1400: IRQ probe failed\n"); + goto err_free_devs; + } + + error = request_irq(ucb->irq, ucb1400_hard_irq, IRQF_TRIGGER_RISING, + "UCB1400", ucb); + if (error) { + printk(KERN_ERR "ucb1400: unable to grab irq%d: %d\n", + ucb->irq, error); + goto err_free_devs; + } + printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq); + + idev->private = ucb; + idev->cdev.dev = dev; + idev->name = "UCB1400 touchscreen interface"; + idev->id.vendor = ucb1400_reg_read(ucb, AC97_VENDOR_ID1); + idev->id.product = id; + idev->open = ucb1400_ts_open; + idev->close = ucb1400_ts_close; + idev->evbit[0] = BIT(EV_ABS); + + ucb1400_adc_enable(ucb); + x_res = ucb1400_ts_read_xres(ucb); + y_res = ucb1400_ts_read_yres(ucb); + ucb1400_adc_disable(ucb); + printk(KERN_DEBUG "UCB1400: x/y = %d/%d\n", x_res, y_res); + + input_set_abs_params(idev, ABS_X, 0, x_res, 0, 0); + input_set_abs_params(idev, ABS_Y, 0, y_res, 0, 0); + input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0); + + error = input_register_device(idev); + if (error) + goto err_free_irq; + + dev_set_drvdata(dev, ucb); + return 0; + + err_free_irq: + free_irq(ucb->irq, ucb); + err_free_devs: + input_free_device(idev); + kfree(ucb); + return error; +} + +static int ucb1400_ts_remove(struct device *dev) +{ + struct ucb1400 *ucb = dev_get_drvdata(dev); + + free_irq(ucb->irq, ucb); + input_unregister_device(ucb->ts_idev); + dev_set_drvdata(dev, NULL); + kfree(ucb); + return 0; +} + +static struct device_driver ucb1400_ts_driver = { + .owner = THIS_MODULE, + .bus = &ac97_bus_type, + .probe = ucb1400_ts_probe, + .remove = ucb1400_ts_remove, + .resume = ucb1400_ts_resume, +}; + +static int __init ucb1400_ts_init(void) +{ + return driver_register(&ucb1400_ts_driver); +} + +static void __exit ucb1400_ts_exit(void) +{ + driver_unregister(&ucb1400_ts_driver); +} + +module_param(adcsync, int, 0444); + +module_init(ucb1400_ts_init); +module_exit(ucb1400_ts_exit); + +MODULE_DESCRIPTION("Philips UCB1400 touchscreen driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 9d92fe17b652f5496c97bc83fdfe925f3182f602 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 17 Nov 2006 01:07:39 -0500 Subject: Input: serio - remove serio_unregister_port_delayed() Now that i8042 reserves IRQs early there are no more users of this function and it should be removed. Signed-off-by: Dmitry Torokhov --- drivers/input/serio/serio.c | 18 ------------------ 1 file changed, 18 deletions(-) (limited to 'drivers') diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 3cb99d454ec..cd55ddb7df4 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -44,7 +44,6 @@ EXPORT_SYMBOL(serio_interrupt); EXPORT_SYMBOL(__serio_register_port); EXPORT_SYMBOL(serio_unregister_port); EXPORT_SYMBOL(serio_unregister_child_port); -EXPORT_SYMBOL(__serio_unregister_port_delayed); EXPORT_SYMBOL(__serio_register_driver); EXPORT_SYMBOL(serio_unregister_driver); EXPORT_SYMBOL(serio_open); @@ -64,7 +63,6 @@ static struct bus_type serio_bus; static void serio_add_driver(struct serio_driver *drv); static void serio_add_port(struct serio *serio); -static void serio_destroy_port(struct serio *serio); static void serio_reconnect_port(struct serio *serio); static void serio_disconnect_port(struct serio *serio); @@ -173,7 +171,6 @@ enum serio_event_type { SERIO_RESCAN, SERIO_RECONNECT, SERIO_REGISTER_PORT, - SERIO_UNREGISTER_PORT, SERIO_REGISTER_DRIVER, }; @@ -307,11 +304,6 @@ static void serio_handle_event(void) serio_add_port(event->object); break; - case SERIO_UNREGISTER_PORT: - serio_disconnect_port(event->object); - serio_destroy_port(event->object); - break; - case SERIO_RECONNECT: serio_reconnect_port(event->object); break; @@ -716,16 +708,6 @@ void serio_unregister_child_port(struct serio *serio) mutex_unlock(&serio_mutex); } -/* - * Submits register request to kseriod for subsequent execution. - * Can be used when it is not obvious whether the serio_mutex is - * taken or not and when delayed execution is feasible. - */ -void __serio_unregister_port_delayed(struct serio *serio, struct module *owner) -{ - serio_queue_event(serio, owner, SERIO_UNREGISTER_PORT); -} - /* * Serio driver operations -- cgit v1.2.3 From 825d3748c1b5f9272e4f9769f1c2da85174ece28 Mon Sep 17 00:00:00 2001 From: Thomas Koeller Date: Mon, 14 Aug 2006 21:55:29 +0200 Subject: [WATCHDOG] MIPS RM9000 on-chip watchdog device This is a driver for the on-chip watchdog device found on some MIPS RM9000 processors. Signed-off-by: Thomas Koeller Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/Kconfig | 10 + drivers/char/watchdog/Makefile | 1 + drivers/char/watchdog/rm9k_wdt.c | 431 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 442 insertions(+) create mode 100644 drivers/char/watchdog/rm9k_wdt.c (limited to 'drivers') diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index a52ecad7d56..ea09d0c974e 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -575,6 +575,16 @@ config INDYDOG timer expired and no process has written to /dev/watchdog during that time. +config WDT_RM9K_GPI + tristate "RM9000/GPI hardware watchdog" + depends on WATCHDOG && CPU_RM9000 + help + Watchdog implementation using the GPI hardware found on + PMC-Sierra RM9xxx CPUs. + + To compile this driver as a module, choose M here: the + module will be called rm9k_wdt. + # S390 Architecture config ZVM_WATCHDOG diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index 81abdfa10a0..2cd8ff8d10a 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -73,6 +73,7 @@ obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o # MIPS Architecture obj-$(CONFIG_INDYDOG) += indydog.o +obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o # S390 Architecture diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c new file mode 100644 index 00000000000..8cd12ab9bff --- /dev/null +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -0,0 +1,431 @@ +/* + * Watchdog implementation for GPI h/w found on PMC-Sierra RM9xxx + * chips. + * + * Copyright (C) 2004 by Basler Vision Technologies AG + * Author: Thomas Koeller + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + + +#define CLOCK 125000000 +#define MAX_TIMEOUT_SECONDS 32 +#define CPCCR 0x0080 +#define CPGIG1SR 0x0044 +#define CPGIG1ER 0x0054 + + + +/* Function prototypes */ +static int __init wdt_gpi_probe(struct device *); +static int __exit wdt_gpi_remove(struct device *); +static void wdt_gpi_set_timeout(unsigned int); +static int wdt_gpi_open(struct inode *, struct file *); +static int wdt_gpi_release(struct inode *, struct file *); +static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, loff_t *); +static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long); +static const struct resource *wdt_gpi_get_resource(struct platform_device *, const char *, unsigned int); +static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); +static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); + + + + +static const char wdt_gpi_name[] = "wdt_gpi"; +static atomic_t opencnt; +static int expect_close; +static int locked = 0; + + + +/* These are set from device resources */ +static void __iomem * wd_regs; +static unsigned int wd_irq, wd_ctr; + + + +/* Module arguments */ +static int timeout = MAX_TIMEOUT_SECONDS; +module_param(timeout, int, 0444); +static unsigned long resetaddr = 0xbffdc200; +module_param(resetaddr, ulong, 0444); +static unsigned long flagaddr = 0xbffdc104; +module_param(flagaddr, ulong, 0444); +static int powercycle = 0; +module_param(powercycle, bool, 0444); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, 0444); + + + +static struct file_operations fops = { + .owner = THIS_MODULE, + .open = wdt_gpi_open, + .release = wdt_gpi_release, + .write = wdt_gpi_write, + .unlocked_ioctl = wdt_gpi_ioctl, +}; + +static struct miscdevice miscdev = { + .minor = WATCHDOG_MINOR, + .name = wdt_gpi_name, + .fops = &fops, +}; + +static struct device_driver wdt_gpi_driver = { + .name = (char *) wdt_gpi_name, + .bus = &platform_bus_type, + .owner = THIS_MODULE, + .probe = wdt_gpi_probe, + .remove = __exit_p(wdt_gpi_remove), + .shutdown = NULL, + .suspend = NULL, + .resume = NULL, +}; + +static struct notifier_block wdt_gpi_shutdown = { + .notifier_call = wdt_gpi_notify, +}; + + + +static const struct resource * +wdt_gpi_get_resource(struct platform_device *pdv, const char *name, + unsigned int type) +{ + char buf[80]; + if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf) + return NULL; + return platform_get_resource_byname(pdv, type, buf); +} + + + +/* No hotplugging on the platform bus - use __init */ +static int __init wdt_gpi_probe(struct device *dev) +{ + int res; + struct platform_device * const pdv = to_platform_device(dev); + const struct resource + * const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS, + IORESOURCE_MEM), + * const ri = wdt_gpi_get_resource(pdv, WDT_RESOURCE_IRQ, + IORESOURCE_IRQ), + * const rc = wdt_gpi_get_resource(pdv, WDT_RESOURCE_COUNTER, + 0); + + if (unlikely(!rr || !ri || !rc)) + return -ENXIO; + + wd_regs = ioremap_nocache(rr->start, rr->end + 1 - rr->start); + if (unlikely(!wd_regs)) + return -ENOMEM; + wd_irq = ri->start; + wd_ctr = rc->start; + res = misc_register(&miscdev); + if (res) + iounmap(wd_regs); + else + register_reboot_notifier(&wdt_gpi_shutdown); + return res; +} + + + +static int __exit wdt_gpi_remove(struct device *dev) +{ + int res; + + unregister_reboot_notifier(&wdt_gpi_shutdown); + res = misc_deregister(&miscdev); + iounmap(wd_regs); + wd_regs = NULL; + return res; +} + + +static void wdt_gpi_set_timeout(unsigned int to) +{ + u32 reg; + const u32 wdval = (to * CLOCK) & ~0x0000000f; + + lock_titan_regs(); + reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); + titan_writel(reg, CPCCR); + wmb(); + __raw_writel(wdval, wd_regs + 0x0000); + wmb(); + titan_writel(reg | (0x2 << (wd_ctr * 4)), CPCCR); + wmb(); + titan_writel(reg | (0x5 << (wd_ctr * 4)), CPCCR); + iob(); + unlock_titan_regs(); +} + + + +static int wdt_gpi_open(struct inode *i, struct file *f) +{ + int res; + u32 reg; + + if (unlikely(0 > atomic_dec_if_positive(&opencnt))) + return -EBUSY; + + expect_close = 0; + if (locked) { + module_put(THIS_MODULE); + free_irq(wd_irq, &miscdev); + locked = 0; + } + + res = request_irq(wd_irq, wdt_gpi_irqhdl, SA_SHIRQ | SA_INTERRUPT, + wdt_gpi_name, &miscdev); + if (unlikely(res)) + return res; + + wdt_gpi_set_timeout(timeout); + + lock_titan_regs(); + reg = titan_readl(CPGIG1ER); + titan_writel(reg | (0x100 << wd_ctr), CPGIG1ER); + iob(); + unlock_titan_regs(); + + printk(KERN_INFO "%s: watchdog started, timeout = %u seconds\n", + wdt_gpi_name, timeout); + return 0; +} + + + +static int wdt_gpi_release(struct inode *i, struct file *f) +{ + if (nowayout) { + printk(KERN_NOTICE "%s: no way out - watchdog left running\n", + wdt_gpi_name); + __module_get(THIS_MODULE); + locked = 1; + } else { + if (expect_close) { + u32 reg; + + lock_titan_regs(); + reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); + titan_writel(reg, CPCCR); + reg = titan_readl(CPGIG1ER); + titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); + iob(); + unlock_titan_regs(); + free_irq(wd_irq, &miscdev); + printk(KERN_INFO "%s: watchdog stopped\n", wdt_gpi_name); + } else { + printk(KERN_NOTICE "%s: unexpected close() -" + " watchdog left running\n", + wdt_gpi_name); + wdt_gpi_set_timeout(timeout); + __module_get(THIS_MODULE); + locked = 1; + } + } + + atomic_inc(&opencnt); + return 0; +} + + + +static ssize_t +wdt_gpi_write(struct file *f, const char __user *d, size_t s, loff_t *o) +{ + char val; + + wdt_gpi_set_timeout(timeout); + expect_close = (s > 0) && !get_user(val, d) && (val == 'V'); + return s ? 1 : 0; +} + + + +static long +wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) +{ + long res = -ENOTTY; + const long size = _IOC_SIZE(cmd); + int stat; + static struct watchdog_info wdinfo = { + .identity = "RM9xxx/GPI watchdog", + .firmware_version = 0, + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING + }; + + if (unlikely(_IOC_TYPE(cmd) != WATCHDOG_IOCTL_BASE)) + return -ENOTTY; + + if ((_IOC_DIR(cmd) & _IOC_READ) + && !access_ok(VERIFY_WRITE, arg, size)) + return -EFAULT; + + if ((_IOC_DIR(cmd) & _IOC_WRITE) + && !access_ok(VERIFY_READ, arg, size)) + return -EFAULT; + + expect_close = 0; + + switch (cmd) { + case WDIOC_GETSUPPORT: + wdinfo.options = nowayout ? + WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING : + WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE; + res = __copy_to_user((void __user *)arg, &wdinfo, size) ? + -EFAULT : size; + break; + + case WDIOC_GETSTATUS: + break; + + case WDIOC_GETBOOTSTATUS: + stat = (*(volatile char *) flagaddr & 0x01) + ? WDIOF_CARDRESET : 0; + res = __copy_to_user((void __user *)arg, &stat, size) ? + -EFAULT : size; + break; + + case WDIOC_SETOPTIONS: + break; + + case WDIOC_KEEPALIVE: + wdt_gpi_set_timeout(timeout); + res = size; + break; + + case WDIOC_SETTIMEOUT: + { + int val; + if (unlikely(__copy_from_user(&val, (const void __user *) arg, + size))) { + res = -EFAULT; + break; + } + + if (val > 32) + val = 32; + timeout = val; + wdt_gpi_set_timeout(val); + res = size; + printk("%s: timeout set to %u seconds\n", + wdt_gpi_name, timeout); + } + break; + + case WDIOC_GETTIMEOUT: + res = __copy_to_user((void __user *) arg, &timeout, size) ? + -EFAULT : size; + break; + } + + return res; +} + + + + +static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) +{ + if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) + return IRQ_NONE; + __raw_writel(0x1, wd_regs + 0x0008); + + + printk(KERN_WARNING "%s: watchdog expired - resetting system\n", + wdt_gpi_name); + + *(volatile char *) flagaddr |= 0x01; + *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2; + iob(); + while (1) + cpu_relax(); +} + + + +static int +wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) +{ + if(code == SYS_DOWN || code == SYS_HALT) { + u32 reg; + + lock_titan_regs(); + reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); + titan_writel(reg, CPCCR); + reg = titan_readl(CPGIG1ER); + titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); + iob(); + unlock_titan_regs(); + } + return NOTIFY_DONE; +} + + + +static int __init wdt_gpi_init_module(void) +{ + atomic_set(&opencnt, 1); + if (timeout > MAX_TIMEOUT_SECONDS) + timeout = MAX_TIMEOUT_SECONDS; + return driver_register(&wdt_gpi_driver); +} + + + +static void __exit wdt_gpi_cleanup_module(void) +{ + driver_unregister(&wdt_gpi_driver); +} + +module_init(wdt_gpi_init_module); +module_exit(wdt_gpi_cleanup_module); + + + +MODULE_AUTHOR("Thomas Koeller "); +MODULE_DESCRIPTION("Basler eXcite watchdog driver for gpi devices"); +MODULE_VERSION("0.1"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); +MODULE_PARM_DESC(resetaddr, "Address to write to to force a reset"); +MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); +MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); -- cgit v1.2.3 From cd57eeab7c4c108ce6e84545bdf37ae91b930781 Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Fri, 17 Nov 2006 21:51:35 +0100 Subject: [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 1 Locate parameter descriptions close to parameter definition - not in bottom of file. Signed-off-by: Sam Ravnborg Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index 8cd12ab9bff..da3fc63bca6 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -45,7 +45,6 @@ #define CPGIG1ER 0x0054 - /* Function prototypes */ static int __init wdt_gpi_probe(struct device *); static int __exit wdt_gpi_remove(struct device *); @@ -59,33 +58,37 @@ static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); - - static const char wdt_gpi_name[] = "wdt_gpi"; static atomic_t opencnt; static int expect_close; static int locked = 0; - /* These are set from device resources */ static void __iomem * wd_regs; static unsigned int wd_irq, wd_ctr; - /* Module arguments */ static int timeout = MAX_TIMEOUT_SECONDS; module_param(timeout, int, 0444); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); + static unsigned long resetaddr = 0xbffdc200; module_param(resetaddr, ulong, 0444); +MODULE_PARM_DESC(resetaddr, "Address to write to to force a reset"); + static unsigned long flagaddr = 0xbffdc104; module_param(flagaddr, ulong, 0444); +MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); + static int powercycle = 0; module_param(powercycle, bool, 0444); +MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, bool, 0444); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); @@ -424,8 +427,4 @@ MODULE_DESCRIPTION("Basler eXcite watchdog driver for gpi devices"); MODULE_VERSION("0.1"); MODULE_LICENSE("GPL"); MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); -MODULE_PARM_DESC(resetaddr, "Address to write to to force a reset"); -MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); -MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); + -- cgit v1.2.3 From 97846e3ccbcbcc966e23a91b0d190efd1f889c9b Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Fri, 17 Nov 2006 23:15:48 +0100 Subject: [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 2 Reorganize source code so that it is structured as follows: - Function prototypes - Local variables - Module arguments - Interrupt handler - Watchdog functions - /dev/watchdog operations - Shutdown notifier - Kernel interfaces - Init & exit procedures - Device driver init & exit Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 216 ++++++++++++++++++--------------------- 1 file changed, 101 insertions(+), 115 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index da3fc63bca6..1aad9138f71 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -46,8 +46,7 @@ /* Function prototypes */ -static int __init wdt_gpi_probe(struct device *); -static int __exit wdt_gpi_remove(struct device *); +static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); static void wdt_gpi_set_timeout(unsigned int); static int wdt_gpi_open(struct inode *, struct file *); static int wdt_gpi_release(struct inode *, struct file *); @@ -55,7 +54,8 @@ static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, loff_t static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long); static const struct resource *wdt_gpi_get_resource(struct platform_device *, const char *, unsigned int); static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); -static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); +static int __init wdt_gpi_probe(struct device *); +static int __exit wdt_gpi_remove(struct device *); static const char wdt_gpi_name[] = "wdt_gpi"; @@ -91,93 +91,26 @@ module_param(nowayout, bool, 0444); MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); - -static struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct device_driver wdt_gpi_driver = { - .name = (char *) wdt_gpi_name, - .bus = &platform_bus_type, - .owner = THIS_MODULE, - .probe = wdt_gpi_probe, - .remove = __exit_p(wdt_gpi_remove), - .shutdown = NULL, - .suspend = NULL, - .resume = NULL, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - - -static const struct resource * -wdt_gpi_get_resource(struct platform_device *pdv, const char *name, - unsigned int type) -{ - char buf[80]; - if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf) - return NULL; - return platform_get_resource_byname(pdv, type, buf); -} - - - -/* No hotplugging on the platform bus - use __init */ -static int __init wdt_gpi_probe(struct device *dev) +/* Interrupt handler */ +static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) { - int res; - struct platform_device * const pdv = to_platform_device(dev); - const struct resource - * const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS, - IORESOURCE_MEM), - * const ri = wdt_gpi_get_resource(pdv, WDT_RESOURCE_IRQ, - IORESOURCE_IRQ), - * const rc = wdt_gpi_get_resource(pdv, WDT_RESOURCE_COUNTER, - 0); - - if (unlikely(!rr || !ri || !rc)) - return -ENXIO; - - wd_regs = ioremap_nocache(rr->start, rr->end + 1 - rr->start); - if (unlikely(!wd_regs)) - return -ENOMEM; - wd_irq = ri->start; - wd_ctr = rc->start; - res = misc_register(&miscdev); - if (res) - iounmap(wd_regs); - else - register_reboot_notifier(&wdt_gpi_shutdown); - return res; -} - + if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) + return IRQ_NONE; + __raw_writel(0x1, wd_regs + 0x0008); -static int __exit wdt_gpi_remove(struct device *dev) -{ - int res; + printk(KERN_WARNING "%s: watchdog expired - resetting system\n", + wdt_gpi_name); - unregister_reboot_notifier(&wdt_gpi_shutdown); - res = misc_deregister(&miscdev); - iounmap(wd_regs); - wd_regs = NULL; - return res; + *(volatile char *) flagaddr |= 0x01; + *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2; + iob(); + while (1) + cpu_relax(); } +/* Watchdog functions */ static void wdt_gpi_set_timeout(unsigned int to) { u32 reg; @@ -197,7 +130,7 @@ static void wdt_gpi_set_timeout(unsigned int to) } - +/* /dev/watchdog operations */ static int wdt_gpi_open(struct inode *i, struct file *f) { int res; @@ -231,8 +164,6 @@ static int wdt_gpi_open(struct inode *i, struct file *f) return 0; } - - static int wdt_gpi_release(struct inode *i, struct file *f) { if (nowayout) { @@ -267,8 +198,6 @@ static int wdt_gpi_release(struct inode *i, struct file *f) return 0; } - - static ssize_t wdt_gpi_write(struct file *f, const char __user *d, size_t s, loff_t *o) { @@ -279,8 +208,6 @@ wdt_gpi_write(struct file *f, const char __user *d, size_t s, loff_t *o) return s ? 1 : 0; } - - static long wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) { @@ -362,27 +289,7 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) } - - -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) -{ - if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) - return IRQ_NONE; - __raw_writel(0x1, wd_regs + 0x0008); - - - printk(KERN_WARNING "%s: watchdog expired - resetting system\n", - wdt_gpi_name); - - *(volatile char *) flagaddr |= 0x01; - *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2; - iob(); - while (1) - cpu_relax(); -} - - - +/* Shutdown notifier*/ static int wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) { @@ -401,6 +308,89 @@ wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) } +/* Kernel interfaces */ +static struct file_operations fops = { + .owner = THIS_MODULE, + .open = wdt_gpi_open, + .release = wdt_gpi_release, + .write = wdt_gpi_write, + .unlocked_ioctl = wdt_gpi_ioctl, +}; + +static struct miscdevice miscdev = { + .minor = WATCHDOG_MINOR, + .name = wdt_gpi_name, + .fops = &fops, +}; + +static struct notifier_block wdt_gpi_shutdown = { + .notifier_call = wdt_gpi_notify, +}; + + +/* Init & exit procedures */ +static const struct resource * +wdt_gpi_get_resource(struct platform_device *pdv, const char *name, + unsigned int type) +{ + char buf[80]; + if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf) + return NULL; + return platform_get_resource_byname(pdv, type, buf); +} + +/* No hotplugging on the platform bus - use __init */ +static int __init wdt_gpi_probe(struct device *dev) +{ + int res; + struct platform_device * const pdv = to_platform_device(dev); + const struct resource + * const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS, + IORESOURCE_MEM), + * const ri = wdt_gpi_get_resource(pdv, WDT_RESOURCE_IRQ, + IORESOURCE_IRQ), + * const rc = wdt_gpi_get_resource(pdv, WDT_RESOURCE_COUNTER, + 0); + + if (unlikely(!rr || !ri || !rc)) + return -ENXIO; + + wd_regs = ioremap_nocache(rr->start, rr->end + 1 - rr->start); + if (unlikely(!wd_regs)) + return -ENOMEM; + wd_irq = ri->start; + wd_ctr = rc->start; + res = misc_register(&miscdev); + if (res) + iounmap(wd_regs); + else + register_reboot_notifier(&wdt_gpi_shutdown); + return res; +} + +static int __exit wdt_gpi_remove(struct device *dev) +{ + int res; + + unregister_reboot_notifier(&wdt_gpi_shutdown); + res = misc_deregister(&miscdev); + iounmap(wd_regs); + wd_regs = NULL; + return res; +} + + +/* Device driver init & exit */ +static struct device_driver wdt_gpi_driver = { + .name = (char *) wdt_gpi_name, + .bus = &platform_bus_type, + .owner = THIS_MODULE, + .probe = wdt_gpi_probe, + .remove = __exit_p(wdt_gpi_remove), + .shutdown = NULL, + .suspend = NULL, + .resume = NULL, +}; static int __init wdt_gpi_init_module(void) { @@ -410,8 +400,6 @@ static int __init wdt_gpi_init_module(void) return driver_register(&wdt_gpi_driver); } - - static void __exit wdt_gpi_cleanup_module(void) { driver_unregister(&wdt_gpi_driver); @@ -420,8 +408,6 @@ static void __exit wdt_gpi_cleanup_module(void) module_init(wdt_gpi_init_module); module_exit(wdt_gpi_cleanup_module); - - MODULE_AUTHOR("Thomas Koeller "); MODULE_DESCRIPTION("Basler eXcite watchdog driver for gpi devices"); MODULE_VERSION("0.1"); -- cgit v1.2.3 From 414a675964e5636b53b37827b646138f166507d3 Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Fri, 17 Nov 2006 23:36:08 +0100 Subject: [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 3 Move start and stop code into seperate functions Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 56 +++++++++++++++++++++------------------- 1 file changed, 29 insertions(+), 27 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index 1aad9138f71..22aab8703ed 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -111,6 +111,30 @@ static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) /* Watchdog functions */ +static void wdt_gpi_start(void) +{ + u32 reg; + + lock_titan_regs(); + reg = titan_readl(CPGIG1ER); + titan_writel(reg | (0x100 << wd_ctr), CPGIG1ER); + iob(); + unlock_titan_regs(); +} + +static void wdt_gpi_stop(void) +{ + u32 reg; + + lock_titan_regs(); + reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); + titan_writel(reg, CPCCR); + reg = titan_readl(CPGIG1ER); + titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); + iob(); + unlock_titan_regs(); +} + static void wdt_gpi_set_timeout(unsigned int to) { u32 reg; @@ -134,7 +158,6 @@ static void wdt_gpi_set_timeout(unsigned int to) static int wdt_gpi_open(struct inode *i, struct file *f) { int res; - u32 reg; if (unlikely(0 > atomic_dec_if_positive(&opencnt))) return -EBUSY; @@ -152,12 +175,7 @@ static int wdt_gpi_open(struct inode *i, struct file *f) return res; wdt_gpi_set_timeout(timeout); - - lock_titan_regs(); - reg = titan_readl(CPGIG1ER); - titan_writel(reg | (0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); + wdt_gpi_start(); printk(KERN_INFO "%s: watchdog started, timeout = %u seconds\n", wdt_gpi_name, timeout); @@ -173,15 +191,7 @@ static int wdt_gpi_release(struct inode *i, struct file *f) locked = 1; } else { if (expect_close) { - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - reg = titan_readl(CPGIG1ER); - titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); + wdt_gpi_stop(); free_irq(wd_irq, &miscdev); printk(KERN_INFO "%s: watchdog stopped\n", wdt_gpi_name); } else { @@ -293,17 +303,9 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) static int wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) { - if(code == SYS_DOWN || code == SYS_HALT) { - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - reg = titan_readl(CPGIG1ER); - titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); - } + if (code == SYS_DOWN || code == SYS_HALT) + wdt_gpi_stop(); + return NOTIFY_DONE; } -- cgit v1.2.3 From d5d06ff7f181c06ef8c94b353ae3fef8f06b3085 Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Fri, 17 Nov 2006 23:50:06 +0100 Subject: [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 4 a number of small patches: - include notifier.h include file - re-arrange prototype functions - remove =0 initializations - change printk logging levels to what's used in other drivers - /dev/watchdog is a VFS so use nonseekable_open - Style: Instead of "if (constant op function_or_variable)" we prefer "if (function_or_variable op constant)" - arg is a __user pointer - use MAX_TIMEOUT_SECONDS instead of 32 in WDIOC_SETTIMEOUT Signed-off-by: Randy Dunlap Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 42 +++++++++++++++++++++------------------- 1 file changed, 22 insertions(+), 20 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index 22aab8703ed..ec3909371c2 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -47,13 +48,15 @@ /* Function prototypes */ static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); +static void wdt_gpi_start(void); +static void wdt_gpi_stop(void); static void wdt_gpi_set_timeout(unsigned int); static int wdt_gpi_open(struct inode *, struct file *); static int wdt_gpi_release(struct inode *, struct file *); static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, loff_t *); static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long); -static const struct resource *wdt_gpi_get_resource(struct platform_device *, const char *, unsigned int); static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); +static const struct resource *wdt_gpi_get_resource(struct platform_device *, const char *, unsigned int); static int __init wdt_gpi_probe(struct device *); static int __exit wdt_gpi_remove(struct device *); @@ -61,7 +64,7 @@ static int __exit wdt_gpi_remove(struct device *); static const char wdt_gpi_name[] = "wdt_gpi"; static atomic_t opencnt; static int expect_close; -static int locked = 0; +static int locked; /* These are set from device resources */ @@ -82,7 +85,7 @@ static unsigned long flagaddr = 0xbffdc104; module_param(flagaddr, ulong, 0444); MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); -static int powercycle = 0; +static int powercycle; module_param(powercycle, bool, 0444); MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); @@ -99,7 +102,7 @@ static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) __raw_writel(0x1, wd_regs + 0x0008); - printk(KERN_WARNING "%s: watchdog expired - resetting system\n", + printk(KERN_CRIT "%s: watchdog expired - resetting system\n", wdt_gpi_name); *(volatile char *) flagaddr |= 0x01; @@ -155,11 +158,11 @@ static void wdt_gpi_set_timeout(unsigned int to) /* /dev/watchdog operations */ -static int wdt_gpi_open(struct inode *i, struct file *f) +static int wdt_gpi_open(struct inode *inode, struct file *file) { int res; - if (unlikely(0 > atomic_dec_if_positive(&opencnt))) + if (unlikely(atomic_dec_if_positive(&opencnt) < 0)) return -EBUSY; expect_close = 0; @@ -179,13 +182,13 @@ static int wdt_gpi_open(struct inode *i, struct file *f) printk(KERN_INFO "%s: watchdog started, timeout = %u seconds\n", wdt_gpi_name, timeout); - return 0; + return nonseekable_open(inode, file); } -static int wdt_gpi_release(struct inode *i, struct file *f) +static int wdt_gpi_release(struct inode *inode, struct file *file) { if (nowayout) { - printk(KERN_NOTICE "%s: no way out - watchdog left running\n", + printk(KERN_INFO "%s: no way out - watchdog left running\n", wdt_gpi_name); __module_get(THIS_MODULE); locked = 1; @@ -195,7 +198,7 @@ static int wdt_gpi_release(struct inode *i, struct file *f) free_irq(wd_irq, &miscdev); printk(KERN_INFO "%s: watchdog stopped\n", wdt_gpi_name); } else { - printk(KERN_NOTICE "%s: unexpected close() -" + printk(KERN_CRIT "%s: unexpected close() -" " watchdog left running\n", wdt_gpi_name); wdt_gpi_set_timeout(timeout); @@ -224,6 +227,7 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) long res = -ENOTTY; const long size = _IOC_SIZE(cmd); int stat; + void __user *argp = (void __user *)arg; static struct watchdog_info wdinfo = { .identity = "RM9xxx/GPI watchdog", .firmware_version = 0, @@ -248,8 +252,7 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) wdinfo.options = nowayout ? WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING : WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE; - res = __copy_to_user((void __user *)arg, &wdinfo, size) ? - -EFAULT : size; + res = __copy_to_user(argp, &wdinfo, size) ? -EFAULT : size; break; case WDIOC_GETSTATUS: @@ -258,7 +261,7 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) case WDIOC_GETBOOTSTATUS: stat = (*(volatile char *) flagaddr & 0x01) ? WDIOF_CARDRESET : 0; - res = __copy_to_user((void __user *)arg, &stat, size) ? + res = __copy_to_user(argp, &stat, size) ? -EFAULT : size; break; @@ -273,24 +276,23 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) case WDIOC_SETTIMEOUT: { int val; - if (unlikely(__copy_from_user(&val, (const void __user *) arg, - size))) { + if (unlikely(__copy_from_user(&val, argp, size))) { res = -EFAULT; break; } - if (val > 32) - val = 32; + if (val > MAX_TIMEOUT_SECONDS) + val = MAX_TIMEOUT_SECONDS; timeout = val; wdt_gpi_set_timeout(val); res = size; - printk("%s: timeout set to %u seconds\n", + printk(KERN_INFO "%s: timeout set to %u seconds\n", wdt_gpi_name, timeout); } break; case WDIOC_GETTIMEOUT: - res = __copy_to_user((void __user *) arg, &timeout, size) ? + res = __copy_to_user(argp, &timeout, size) ? -EFAULT : size; break; } @@ -299,7 +301,7 @@ wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) } -/* Shutdown notifier*/ +/* Shutdown notifier */ static int wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) { -- cgit v1.2.3 From 52bad64d95bd89e08c49ec5a071fa6dcbe5a1a9c Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 22 Nov 2006 14:54:01 +0000 Subject: WorkStruct: Separate delayable and non-delayable events. Separate delayable work items from non-delayable work items be splitting them into a separate structure (delayed_work), which incorporates a work_struct and the timer_list removed from work_struct. The work_struct struct is huge, and this limits it's usefulness. On a 64-bit architecture it's nearly 100 bytes in size. This reduces that by half for the non-delayable type of event. Signed-Off-By: David Howells --- drivers/ata/libata-core.c | 11 ++++------- drivers/ata/libata-eh.c | 2 +- drivers/char/random.c | 2 +- drivers/char/tty_io.c | 2 +- 4 files changed, 7 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 915a55a6cc1..0bb4b4dced7 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -937,12 +937,9 @@ void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *), void *data, if (ap->pflags & ATA_PFLAG_FLUSH_PORT_TASK) return; - PREPARE_WORK(&ap->port_task, fn, data); + PREPARE_DELAYED_WORK(&ap->port_task, fn, data); - if (!delay) - rc = queue_work(ata_wq, &ap->port_task); - else - rc = queue_delayed_work(ata_wq, &ap->port_task, delay); + rc = queue_delayed_work(ata_wq, &ap->port_task, delay); /* rc == 0 means that another user is using port task */ WARN_ON(rc == 0); @@ -5320,8 +5317,8 @@ void ata_port_init(struct ata_port *ap, struct ata_host *host, ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN; #endif - INIT_WORK(&ap->port_task, NULL, NULL); - INIT_WORK(&ap->hotplug_task, ata_scsi_hotplug, ap); + INIT_DELAYED_WORK(&ap->port_task, NULL, NULL); + INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug, ap); INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan, ap); INIT_LIST_HEAD(&ap->eh_done_q); init_waitqueue_head(&ap->eh_wait_q); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 02b2b2787d9..9f6b7cc74fd 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -332,7 +332,7 @@ void ata_scsi_error(struct Scsi_Host *host) if (ap->pflags & ATA_PFLAG_LOADING) ap->pflags &= ~ATA_PFLAG_LOADING; else if (ap->pflags & ATA_PFLAG_SCSI_HOTPLUG) - queue_work(ata_aux_wq, &ap->hotplug_task); + queue_delayed_work(ata_aux_wq, &ap->hotplug_task, 0); if (ap->pflags & ATA_PFLAG_RECOVERED) ata_port_printk(ap, KERN_INFO, "EH complete\n"); diff --git a/drivers/char/random.c b/drivers/char/random.c index eb6b13f4211..f2ab61f3e8a 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1424,7 +1424,7 @@ static unsigned int ip_cnt; static void rekey_seq_generator(void *private_); -static DECLARE_WORK(rekey_work, rekey_seq_generator, NULL); +static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator, NULL); /* * Lock avoidance: diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e90ea39c7c4..7297acfe520 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3580,7 +3580,7 @@ static void initialize_tty_struct(struct tty_struct *tty) tty->overrun_time = jiffies; tty->buf.head = tty->buf.tail = NULL; tty_buffer_init(tty); - INIT_WORK(&tty->buf.work, flush_to_ldisc, tty); + INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc, tty); init_MUTEX(&tty->buf.pty_sem); mutex_init(&tty->termios_mutex); init_waitqueue_head(&tty->write_wait); -- cgit v1.2.3 From 6bb49e5965c1fc399b4d3cd2b5cf2da535b330c0 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 22 Nov 2006 14:54:45 +0000 Subject: WorkStruct: Typedef the work function prototype Define a type for the work function prototype. It's not only kept in the work_struct struct, it's also passed as an argument to several functions. This makes it easier to change it. Signed-Off-By: David Howells --- drivers/block/floppy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9e6d3a87cbe..5a14fac13b1 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -996,7 +996,7 @@ static DECLARE_WORK(floppy_work, NULL, NULL); static void schedule_bh(void (*handler) (void)) { - PREPARE_WORK(&floppy_work, (void (*)(void *))handler, NULL); + PREPARE_WORK(&floppy_work, (work_func_t)handler, NULL); schedule_work(&floppy_work); } @@ -1008,7 +1008,7 @@ static void cancel_activity(void) spin_lock_irqsave(&floppy_lock, flags); do_floppy = NULL; - PREPARE_WORK(&floppy_work, (void *)empty, NULL); + PREPARE_WORK(&floppy_work, (work_func_t)empty, NULL); del_timer(&fd_timer); spin_unlock_irqrestore(&floppy_lock, flags); } -- cgit v1.2.3 From 365970a1ea76d81cb1ad2f652acb605f06dae256 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 22 Nov 2006 14:54:49 +0000 Subject: WorkStruct: Merge the pending bit into the wq_data pointer Reclaim a word from the size of the work_struct by folding the pending bit and the wq_data pointer together. This shouldn't cause misalignment problems as all pointers should be at least 4-byte aligned. Signed-Off-By: David Howells --- drivers/block/floppy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 5a14fac13b1..aa1eb4466f9 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1868,7 +1868,7 @@ static void show_floppy(void) printk("fdc_busy=%lu\n", fdc_busy); if (do_floppy) printk("do_floppy=%p\n", do_floppy); - if (floppy_work.pending) + if (work_pending(&floppy_work)) printk("floppy_work.func=%p\n", floppy_work.func); if (timer_pending(&fd_timer)) printk("fd_timer.function=%p\n", fd_timer.function); @@ -4498,7 +4498,7 @@ static void floppy_release_irq_and_dma(void) printk("floppy timer still active:%s\n", timeout_message); if (timer_pending(&fd_timer)) printk("auxiliary floppy timer still active\n"); - if (floppy_work.pending) + if (work_pending(&floppy_work)) printk("work still pending\n"); #endif old_fdc = fdc; -- cgit v1.2.3 From 65f27f38446e1976cc98fd3004b110fedcddd189 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 22 Nov 2006 14:55:48 +0000 Subject: WorkStruct: Pass the work_struct pointer instead of context data Pass the work_struct pointer to the work function rather than context data. The work function can use container_of() to work out the data. For the cases where the container of the work_struct may go away the moment the pending bit is cleared, it is made possible to defer the release of the structure by deferring the clearing of the pending bit. To make this work, an extra flag is introduced into the management side of the work_struct. This governs auto-release of the structure upon execution. Ordinarily, the work queue executor would release the work_struct for further scheduling or deallocation by clearing the pending bit prior to jumping to the work function. This means that, unless the driver makes some guarantee itself that the work_struct won't go away, the work function may not access anything else in the work_struct or its container lest they be deallocated.. This is a problem if the auxiliary data is taken away (as done by the last patch). However, if the pending bit is *not* cleared before jumping to the work function, then the work function *may* access the work_struct and its container with no problems. But then the work function must itself release the work_struct by calling work_release(). In most cases, automatic release is fine, so this is the default. Special initiators exist for the non-auto-release case (ending in _NAR). Signed-Off-By: David Howells --- drivers/acpi/osl.c | 25 ++++++++----------------- drivers/ata/libata-core.c | 20 +++++++++++--------- drivers/ata/libata-scsi.c | 14 ++++++++------ drivers/ata/libata.h | 4 ++-- drivers/block/floppy.c | 6 +++--- drivers/char/random.c | 6 +++--- drivers/char/sysrq.c | 4 ++-- drivers/char/tty_io.c | 31 +++++++++++++++++-------------- drivers/char/vt.c | 6 +++--- drivers/cpufreq/cpufreq.c | 10 ++++++---- drivers/input/keyboard/atkbd.c | 6 +++--- drivers/input/serio/libps2.c | 6 +++--- drivers/net/e1000/e1000_main.c | 10 +++++----- drivers/pci/pcie/aer/aerdrv.c | 2 +- drivers/pci/pcie/aer/aerdrv.h | 2 +- drivers/pci/pcie/aer/aerdrv_core.c | 8 ++++---- drivers/scsi/scsi_scan.c | 7 ++++--- drivers/scsi/scsi_sysfs.c | 10 +++++----- 18 files changed, 89 insertions(+), 88 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 068fe4f100b..02b30ae6a68 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -50,6 +50,7 @@ ACPI_MODULE_NAME("osl") struct acpi_os_dpc { acpi_osd_exec_callback function; void *context; + struct work_struct work; }; #ifdef CONFIG_ACPI_CUSTOM_DSDT @@ -564,12 +565,9 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */ acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number); } -static void acpi_os_execute_deferred(void *context) +static void acpi_os_execute_deferred(struct work_struct *work) { - struct acpi_os_dpc *dpc = NULL; - - - dpc = (struct acpi_os_dpc *)context; + struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work); if (!dpc) { printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); return; @@ -602,7 +600,6 @@ acpi_status acpi_os_execute(acpi_execute_type type, { acpi_status status = AE_OK; struct acpi_os_dpc *dpc; - struct work_struct *task; ACPI_FUNCTION_TRACE("os_queue_for_execution"); @@ -615,28 +612,22 @@ acpi_status acpi_os_execute(acpi_execute_type type, /* * Allocate/initialize DPC structure. Note that this memory will be - * freed by the callee. The kernel handles the tq_struct list in a + * freed by the callee. The kernel handles the work_struct list in a * way that allows us to also free its memory inside the callee. * Because we may want to schedule several tasks with different * parameters we can't use the approach some kernel code uses of - * having a static tq_struct. - * We can save time and code by allocating the DPC and tq_structs - * from the same memory. + * having a static work_struct. */ - dpc = - kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct), - GFP_ATOMIC); + dpc = kmalloc(sizeof(struct acpi_os_dpc), GFP_ATOMIC); if (!dpc) return_ACPI_STATUS(AE_NO_MEMORY); dpc->function = function; dpc->context = context; - task = (void *)(dpc + 1); - INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc); - - if (!queue_work(kacpid_wq, task)) { + INIT_WORK(&dpc->work, acpi_os_execute_deferred); + if (!queue_work(kacpid_wq, &dpc->work)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Call to queue_work() failed.\n")); kfree(dpc); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 0bb4b4dced7..b5f2da6ac80 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -914,7 +914,7 @@ static unsigned int ata_id_xfermask(const u16 *id) * ata_port_queue_task - Queue port_task * @ap: The ata_port to queue port_task for * @fn: workqueue function to be scheduled - * @data: data value to pass to workqueue function + * @data: data for @fn to use * @delay: delay time for workqueue function * * Schedule @fn(@data) for execution after @delay jiffies using @@ -929,7 +929,7 @@ static unsigned int ata_id_xfermask(const u16 *id) * LOCKING: * Inherited from caller. */ -void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *), void *data, +void ata_port_queue_task(struct ata_port *ap, work_func_t fn, void *data, unsigned long delay) { int rc; @@ -937,7 +937,8 @@ void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *), void *data, if (ap->pflags & ATA_PFLAG_FLUSH_PORT_TASK) return; - PREPARE_DELAYED_WORK(&ap->port_task, fn, data); + PREPARE_DELAYED_WORK(&ap->port_task, fn); + ap->port_task_data = data; rc = queue_delayed_work(ata_wq, &ap->port_task, delay); @@ -4292,10 +4293,11 @@ fsm_start: return poll_next; } -static void ata_pio_task(void *_data) +static void ata_pio_task(struct work_struct *work) { - struct ata_queued_cmd *qc = _data; - struct ata_port *ap = qc->ap; + struct ata_port *ap = + container_of(work, struct ata_port, port_task.work); + struct ata_queued_cmd *qc = ap->port_task_data; u8 status; int poll_next; @@ -5317,9 +5319,9 @@ void ata_port_init(struct ata_port *ap, struct ata_host *host, ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN; #endif - INIT_DELAYED_WORK(&ap->port_task, NULL, NULL); - INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug, ap); - INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan, ap); + INIT_DELAYED_WORK(&ap->port_task, NULL); + INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug); + INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan); INIT_LIST_HEAD(&ap->eh_done_q); init_waitqueue_head(&ap->eh_wait_q); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 5c1fc467fc7..c872b324dbd 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3079,7 +3079,7 @@ static void ata_scsi_remove_dev(struct ata_device *dev) /** * ata_scsi_hotplug - SCSI part of hotplug - * @data: Pointer to ATA port to perform SCSI hotplug on + * @work: Pointer to ATA port to perform SCSI hotplug on * * Perform SCSI part of hotplug. It's executed from a separate * workqueue after EH completes. This is necessary because SCSI @@ -3089,9 +3089,10 @@ static void ata_scsi_remove_dev(struct ata_device *dev) * LOCKING: * Kernel thread context (may sleep). */ -void ata_scsi_hotplug(void *data) +void ata_scsi_hotplug(struct work_struct *work) { - struct ata_port *ap = data; + struct ata_port *ap = + container_of(work, struct ata_port, hotplug_task.work); int i; if (ap->pflags & ATA_PFLAG_UNLOADING) { @@ -3190,7 +3191,7 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, /** * ata_scsi_dev_rescan - initiate scsi_rescan_device() - * @data: Pointer to ATA port to perform scsi_rescan_device() + * @work: Pointer to ATA port to perform scsi_rescan_device() * * After ATA pass thru (SAT) commands are executed successfully, * libata need to propagate the changes to SCSI layer. This @@ -3200,9 +3201,10 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, * LOCKING: * Kernel thread context (may sleep). */ -void ata_scsi_dev_rescan(void *data) +void ata_scsi_dev_rescan(struct work_struct *work) { - struct ata_port *ap = data; + struct ata_port *ap = + container_of(work, struct ata_port, scsi_rescan_task); struct ata_device *dev; unsigned int i; diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 0ed263be652..7e0f3aff873 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -81,7 +81,7 @@ extern struct scsi_transport_template ata_scsi_transport_template; extern void ata_scsi_scan_host(struct ata_port *ap); extern int ata_scsi_offline_dev(struct ata_device *dev); -extern void ata_scsi_hotplug(void *data); +extern void ata_scsi_hotplug(struct work_struct *work); extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf, unsigned int buflen); @@ -111,7 +111,7 @@ extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args, unsigned int (*actor) (struct ata_scsi_args *args, u8 *rbuf, unsigned int buflen)); extern void ata_schedule_scsi_eh(struct Scsi_Host *shost); -extern void ata_scsi_dev_rescan(void *data); +extern void ata_scsi_dev_rescan(struct work_struct *work); extern int ata_bus_probe(struct ata_port *ap); /* libata-eh.c */ diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index aa1eb4466f9..3f1b38276e9 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -992,11 +992,11 @@ static void empty(void) { } -static DECLARE_WORK(floppy_work, NULL, NULL); +static DECLARE_WORK(floppy_work, NULL); static void schedule_bh(void (*handler) (void)) { - PREPARE_WORK(&floppy_work, (work_func_t)handler, NULL); + PREPARE_WORK(&floppy_work, (work_func_t)handler); schedule_work(&floppy_work); } @@ -1008,7 +1008,7 @@ static void cancel_activity(void) spin_lock_irqsave(&floppy_lock, flags); do_floppy = NULL; - PREPARE_WORK(&floppy_work, (work_func_t)empty, NULL); + PREPARE_WORK(&floppy_work, (work_func_t)empty); del_timer(&fd_timer); spin_unlock_irqrestore(&floppy_lock, flags); } diff --git a/drivers/char/random.c b/drivers/char/random.c index f2ab61f3e8a..fa764688cad 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1422,9 +1422,9 @@ static struct keydata { static unsigned int ip_cnt; -static void rekey_seq_generator(void *private_); +static void rekey_seq_generator(struct work_struct *work); -static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator, NULL); +static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator); /* * Lock avoidance: @@ -1438,7 +1438,7 @@ static DECLARE_DELAYED_WORK(rekey_work, rekey_seq_generator, NULL); * happen, and even if that happens only a not perfectly compliant * ISN is generated, nothing fatal. */ -static void rekey_seq_generator(void *private_) +static void rekey_seq_generator(struct work_struct *work) { struct keydata *keyptr = &ip_keydata[1 ^ (ip_cnt & 1)]; diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 5f49280779f..c64f5bcff94 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -219,13 +219,13 @@ static struct sysrq_key_op sysrq_term_op = { .enable_mask = SYSRQ_ENABLE_SIGNAL, }; -static void moom_callback(void *ignored) +static void moom_callback(struct work_struct *ignored) { out_of_memory(&NODE_DATA(0)->node_zonelists[ZONE_NORMAL], GFP_KERNEL, 0); } -static DECLARE_WORK(moom_work, moom_callback, NULL); +static DECLARE_WORK(moom_work, moom_callback); static void sysrq_handle_moom(int key, struct tty_struct *tty) { diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 7297acfe520..83e9e7d9b58 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1254,7 +1254,7 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush); /** * do_tty_hangup - actual handler for hangup events - * @data: tty device + * @work: tty device * * This can be called by the "eventd" kernel thread. That is process * synchronous but doesn't hold any locks, so we need to make sure we @@ -1274,9 +1274,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush); * tasklist_lock to walk task list for hangup event * */ -static void do_tty_hangup(void *data) +static void do_tty_hangup(struct work_struct *work) { - struct tty_struct *tty = (struct tty_struct *) data; + struct tty_struct *tty = + container_of(work, struct tty_struct, hangup_work); struct file * cons_filp = NULL; struct file *filp, *f = NULL; struct task_struct *p; @@ -1433,7 +1434,7 @@ void tty_vhangup(struct tty_struct * tty) printk(KERN_DEBUG "%s vhangup...\n", tty_name(tty, buf)); #endif - do_tty_hangup((void *) tty); + do_tty_hangup(&tty->hangup_work); } EXPORT_SYMBOL(tty_vhangup); @@ -3304,12 +3305,13 @@ int tty_ioctl(struct inode * inode, struct file * file, * Nasty bug: do_SAK is being called in interrupt context. This can * deadlock. We punt it up to process context. AKPM - 16Mar2001 */ -static void __do_SAK(void *arg) +static void __do_SAK(struct work_struct *work) { + struct tty_struct *tty = + container_of(work, struct tty_struct, SAK_work); #ifdef TTY_SOFT_SAK tty_hangup(tty); #else - struct tty_struct *tty = arg; struct task_struct *g, *p; int session; int i; @@ -3388,7 +3390,7 @@ void do_SAK(struct tty_struct *tty) { if (!tty) return; - PREPARE_WORK(&tty->SAK_work, __do_SAK, tty); + PREPARE_WORK(&tty->SAK_work, __do_SAK); schedule_work(&tty->SAK_work); } @@ -3396,7 +3398,7 @@ EXPORT_SYMBOL(do_SAK); /** * flush_to_ldisc - * @private_: tty structure passed from work queue. + * @work: tty structure passed from work queue. * * This routine is called out of the software interrupt to flush data * from the buffer chain to the line discipline. @@ -3406,9 +3408,10 @@ EXPORT_SYMBOL(do_SAK); * receive_buf method is single threaded for each tty instance. */ -static void flush_to_ldisc(void *private_) +static void flush_to_ldisc(struct work_struct *work) { - struct tty_struct *tty = (struct tty_struct *) private_; + struct tty_struct *tty = + container_of(work, struct tty_struct, buf.work.work); unsigned long flags; struct tty_ldisc *disc; struct tty_buffer *tbuf, *head; @@ -3553,7 +3556,7 @@ void tty_flip_buffer_push(struct tty_struct *tty) spin_unlock_irqrestore(&tty->buf.lock, flags); if (tty->low_latency) - flush_to_ldisc((void *) tty); + flush_to_ldisc(&tty->buf.work.work); else schedule_delayed_work(&tty->buf.work, 1); } @@ -3580,17 +3583,17 @@ static void initialize_tty_struct(struct tty_struct *tty) tty->overrun_time = jiffies; tty->buf.head = tty->buf.tail = NULL; tty_buffer_init(tty); - INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc, tty); + INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc); init_MUTEX(&tty->buf.pty_sem); mutex_init(&tty->termios_mutex); init_waitqueue_head(&tty->write_wait); init_waitqueue_head(&tty->read_wait); - INIT_WORK(&tty->hangup_work, do_tty_hangup, tty); + INIT_WORK(&tty->hangup_work, do_tty_hangup); mutex_init(&tty->atomic_read_lock); mutex_init(&tty->atomic_write_lock); spin_lock_init(&tty->read_lock); INIT_LIST_HEAD(&tty->tty_files); - INIT_WORK(&tty->SAK_work, NULL, NULL); + INIT_WORK(&tty->SAK_work, NULL); } /* diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 8e4413f6fba..8ee04adc37f 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -155,7 +155,7 @@ static void con_flush_chars(struct tty_struct *tty); static void set_vesa_blanking(char __user *p); static void set_cursor(struct vc_data *vc); static void hide_cursor(struct vc_data *vc); -static void console_callback(void *ignored); +static void console_callback(struct work_struct *ignored); static void blank_screen_t(unsigned long dummy); static void set_palette(struct vc_data *vc); @@ -174,7 +174,7 @@ static int vesa_blank_mode; /* 0:none 1:suspendV 2:suspendH 3:powerdown */ static int blankinterval = 10*60*HZ; static int vesa_off_interval; -static DECLARE_WORK(console_work, console_callback, NULL); +static DECLARE_WORK(console_work, console_callback); /* * fg_console is the current virtual console, @@ -2154,7 +2154,7 @@ out: * with other console code and prevention of re-entrancy is * ensured with console_sem. */ -static void console_callback(void *ignored) +static void console_callback(struct work_struct *ignored) { acquire_console_sem(); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index dd0c2623e27..7a7c6e6dfe4 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -42,7 +42,7 @@ static DEFINE_SPINLOCK(cpufreq_driver_lock); /* internal prototypes */ static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event); -static void handle_update(void *data); +static void handle_update(struct work_struct *work); /** * Two notifier lists: the "policy" list is involved in the @@ -665,7 +665,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev) mutex_init(&policy->lock); mutex_lock(&policy->lock); init_completion(&policy->kobj_unregister); - INIT_WORK(&policy->update, handle_update, (void *)(long)cpu); + INIT_WORK(&policy->update, handle_update); /* call driver. From then on the cpufreq must be able * to accept all calls to ->verify and ->setpolicy for this CPU @@ -895,9 +895,11 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev) } -static void handle_update(void *data) +static void handle_update(struct work_struct *work) { - unsigned int cpu = (unsigned int)(long)data; + struct cpufreq_policy *policy = + container_of(work, struct cpufreq_policy, update); + unsigned int cpu = policy->cpu; dprintk("handle_update for cpu %u called\n", cpu); cpufreq_update_policy(cpu); } diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index cbb93669d1c..8451b29a3db 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -567,9 +567,9 @@ static int atkbd_set_leds(struct atkbd *atkbd) * interrupt context. */ -static void atkbd_event_work(void *data) +static void atkbd_event_work(struct work_struct *work) { - struct atkbd *atkbd = data; + struct atkbd *atkbd = container_of(work, struct atkbd, event_work); mutex_lock(&atkbd->event_mutex); @@ -943,7 +943,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv) atkbd->dev = dev; ps2_init(&atkbd->ps2dev, serio); - INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd); + INIT_WORK(&atkbd->event_work, atkbd_event_work); mutex_init(&atkbd->event_mutex); switch (serio->id.type) { diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index e5b1b60757b..b3e84d3bb7f 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -251,9 +251,9 @@ EXPORT_SYMBOL(ps2_command); * ps2_schedule_command(), to a PS/2 device (keyboard, mouse, etc.) */ -static void ps2_execute_scheduled_command(void *data) +static void ps2_execute_scheduled_command(struct work_struct *work) { - struct ps2work *ps2work = data; + struct ps2work *ps2work = container_of(work, struct ps2work, work); ps2_command(ps2work->ps2dev, ps2work->param, ps2work->command); kfree(ps2work); @@ -278,7 +278,7 @@ int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int comman ps2work->ps2dev = ps2dev; ps2work->command = command; memcpy(ps2work->param, param, send); - INIT_WORK(&ps2work->work, ps2_execute_scheduled_command, ps2work); + INIT_WORK(&ps2work->work, ps2_execute_scheduled_command); if (!schedule_work(&ps2work->work)) { kfree(ps2work); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 726ec5e88ab..03294400bc9 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -183,7 +183,7 @@ void e1000_set_ethtool_ops(struct net_device *netdev); static void e1000_enter_82542_rst(struct e1000_adapter *adapter); static void e1000_leave_82542_rst(struct e1000_adapter *adapter); static void e1000_tx_timeout(struct net_device *dev); -static void e1000_reset_task(struct net_device *dev); +static void e1000_reset_task(struct work_struct *work); static void e1000_smartspeed(struct e1000_adapter *adapter); static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb); @@ -908,8 +908,7 @@ e1000_probe(struct pci_dev *pdev, adapter->phy_info_timer.function = &e1000_update_phy_info; adapter->phy_info_timer.data = (unsigned long) adapter; - INIT_WORK(&adapter->reset_task, - (void (*)(void *))e1000_reset_task, netdev); + INIT_WORK(&adapter->reset_task, e1000_reset_task); e1000_check_options(adapter); @@ -3154,9 +3153,10 @@ e1000_tx_timeout(struct net_device *netdev) } static void -e1000_reset_task(struct net_device *netdev) +e1000_reset_task(struct work_struct *work) { - struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_adapter *adapter = + container_of(work, struct e1000_adapter, reset_task); e1000_reinit_locked(adapter); } diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 04c43ef529a..55866b6b26f 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -160,7 +160,7 @@ static struct aer_rpc* aer_alloc_rpc(struct pcie_device *dev) rpc->e_lock = SPIN_LOCK_UNLOCKED; rpc->rpd = dev; - INIT_WORK(&rpc->dpc_handler, aer_isr, (void *)dev); + INIT_WORK(&rpc->dpc_handler, aer_isr); rpc->prod_idx = rpc->cons_idx = 0; mutex_init(&rpc->rpc_mutex); init_waitqueue_head(&rpc->wait_release); diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index daf0cad88fc..3c0a58f64dd 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -118,7 +118,7 @@ extern struct bus_type pcie_port_bus_type; extern void aer_enable_rootport(struct aer_rpc *rpc); extern void aer_delete_rootport(struct aer_rpc *rpc); extern int aer_init(struct pcie_device *dev); -extern void aer_isr(void *context); +extern void aer_isr(struct work_struct *work); extern void aer_print_error(struct pci_dev *dev, struct aer_err_info *info); extern int aer_osc_setup(struct pci_dev *dev); diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 1c7e660d653..08e13033ced 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -690,14 +690,14 @@ static void aer_isr_one_error(struct pcie_device *p_device, /** * aer_isr - consume errors detected by root port - * @context: pointer to a private data of pcie device + * @work: definition of this work item * * Invoked, as DPC, when root port records new detected error **/ -void aer_isr(void *context) +void aer_isr(struct work_struct *work) { - struct pcie_device *p_device = (struct pcie_device *) context; - struct aer_rpc *rpc = get_service_data(p_device); + struct aer_rpc *rpc = container_of(work, struct aer_rpc, dpc_handler); + struct pcie_device *p_device = rpc->rpd; struct aer_err_source *e_src; mutex_lock(&rpc->rpc_mutex); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 94a274645f6..d3c5e964c96 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -362,9 +362,10 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, goto retry; } -static void scsi_target_reap_usercontext(void *data) +static void scsi_target_reap_usercontext(struct work_struct *work) { - struct scsi_target *starget = data; + struct scsi_target *starget = + container_of(work, struct scsi_target, ew.work); struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); unsigned long flags; @@ -400,7 +401,7 @@ void scsi_target_reap(struct scsi_target *starget) starget->state = STARGET_DEL; spin_unlock_irqrestore(shost->host_lock, flags); execute_in_process_context(scsi_target_reap_usercontext, - starget, &starget->ew); + &starget->ew); return; } diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index e1a91665d1c..259c90cfa36 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -218,16 +218,16 @@ static void scsi_device_cls_release(struct class_device *class_dev) put_device(&sdev->sdev_gendev); } -static void scsi_device_dev_release_usercontext(void *data) +static void scsi_device_dev_release_usercontext(struct work_struct *work) { - struct device *dev = data; struct scsi_device *sdev; struct device *parent; struct scsi_target *starget; unsigned long flags; - parent = dev->parent; - sdev = to_scsi_device(dev); + sdev = container_of(work, struct scsi_device, ew.work); + + parent = sdev->sdev_gendev.parent; starget = to_scsi_target(parent); spin_lock_irqsave(sdev->host->host_lock, flags); @@ -258,7 +258,7 @@ static void scsi_device_dev_release_usercontext(void *data) static void scsi_device_dev_release(struct device *dev) { struct scsi_device *sdp = to_scsi_device(dev); - execute_in_process_context(scsi_device_dev_release_usercontext, dev, + execute_in_process_context(scsi_device_dev_release_usercontext, &sdp->ew); } -- cgit v1.2.3 From c4028958b6ecad064b1a6303a6a5906d4fe48d73 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 22 Nov 2006 14:57:56 +0000 Subject: WorkStruct: make allyesconfig Fix up for make allyesconfig. Signed-Off-By: David Howells --- drivers/atm/idt77252.c | 9 +- drivers/block/aoe/aoe.h | 2 +- drivers/block/aoe/aoecmd.c | 4 +- drivers/block/aoe/aoedev.c | 2 +- drivers/block/paride/pd.c | 8 +- drivers/block/paride/pseudo.h | 10 +- drivers/block/sx8.c | 7 +- drivers/block/ub.c | 8 +- drivers/bluetooth/bcm203x.c | 7 +- drivers/char/cyclades.c | 9 +- drivers/char/drm/via_dmablit.c | 6 +- drivers/char/epca.c | 8 +- drivers/char/esp.c | 14 +- drivers/char/genrtc.c | 4 +- drivers/char/hvsi.c | 16 +- drivers/char/ip2/i2lib.c | 12 +- drivers/char/ip2/ip2main.c | 23 +-- drivers/char/isicom.c | 12 +- drivers/char/moxa.c | 8 +- drivers/char/mxser.c | 9 +- drivers/char/pcmcia/synclink_cs.c | 8 +- drivers/char/sonypi.c | 4 +- drivers/char/specialix.c | 14 +- drivers/char/synclink.c | 9 +- drivers/char/synclink_gt.c | 10 +- drivers/char/synclinkmp.c | 8 +- drivers/char/tpm/tpm.c | 6 +- drivers/connector/cn_queue.c | 8 +- drivers/connector/connector.c | 31 ++-- drivers/cpufreq/cpufreq_conservative.c | 7 +- drivers/cpufreq/cpufreq_ondemand.c | 28 +-- drivers/i2c/chips/ds1374.c | 12 +- drivers/ieee1394/hosts.c | 9 +- drivers/ieee1394/hosts.h | 2 +- drivers/ieee1394/sbp2.c | 28 +-- drivers/ieee1394/sbp2.h | 2 +- drivers/infiniband/core/addr.c | 6 +- drivers/infiniband/core/cache.c | 7 +- drivers/infiniband/core/cm.c | 19 +-- drivers/infiniband/core/cma.c | 10 +- drivers/infiniband/core/iwcm.c | 7 +- drivers/infiniband/core/mad.c | 25 +-- drivers/infiniband/core/mad_priv.h | 2 +- drivers/infiniband/core/mad_rmpp.c | 18 +- drivers/infiniband/core/sa_query.c | 10 +- drivers/infiniband/core/uverbs_mem.c | 7 +- drivers/infiniband/hw/ipath/ipath_user_pages.c | 7 +- drivers/infiniband/hw/mthca/mthca_catas.c | 4 +- drivers/infiniband/ulp/ipoib/ipoib.h | 16 +- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 25 +-- drivers/infiniband/ulp/ipoib/ipoib_main.c | 10 +- drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 22 ++- drivers/infiniband/ulp/iser/iser_verbs.c | 10 +- drivers/infiniband/ulp/srp/ib_srp.c | 7 +- drivers/input/keyboard/lkkbd.c | 6 +- drivers/input/keyboard/sunkbd.c | 6 +- drivers/input/mouse/psmouse-base.c | 7 +- drivers/isdn/act2000/capi.c | 4 +- drivers/isdn/act2000/capi.h | 2 +- drivers/isdn/act2000/module.c | 18 +- drivers/isdn/capi/kcapi.c | 14 +- drivers/isdn/hisax/amd7930_fn.c | 7 +- drivers/isdn/hisax/config.c | 9 +- drivers/isdn/hisax/hfc4s8s_l1.c | 5 +- drivers/isdn/hisax/hfc_2bds0.c | 9 +- drivers/isdn/hisax/hfc_pci.c | 6 +- drivers/isdn/hisax/hfc_sx.c | 6 +- drivers/isdn/hisax/icc.c | 6 +- drivers/isdn/hisax/isac.c | 6 +- drivers/isdn/hisax/isar.c | 6 +- drivers/isdn/hisax/isdnl1.c | 6 +- drivers/isdn/hisax/w6692.c | 6 +- drivers/isdn/i4l/isdn_net.c | 6 +- drivers/isdn/pcbit/drv.c | 4 +- drivers/isdn/pcbit/layer2.c | 6 +- drivers/isdn/pcbit/pcbit.h | 2 + drivers/macintosh/smu.c | 4 +- drivers/md/dm-crypt.c | 8 +- drivers/md/dm-mpath.c | 18 +- drivers/md/dm-raid1.c | 4 +- drivers/md/dm-snap.c | 9 +- drivers/md/kcopyd.c | 4 +- drivers/media/dvb/b2c2/flexcop-pci.c | 9 +- drivers/media/dvb/cinergyT2/cinergyT2.c | 18 +- drivers/media/dvb/dvb-core/dvb_net.c | 19 ++- drivers/media/dvb/dvb-usb/dvb-usb-remote.c | 7 +- drivers/media/dvb/dvb-usb/dvb-usb.h | 2 +- drivers/media/video/cpia_pp.c | 20 ++- drivers/media/video/cx88/cx88-input.c | 6 +- drivers/media/video/ir-kbd-i2c.c | 6 +- drivers/media/video/pvrusb2/pvrusb2-context.c | 13 +- drivers/media/video/saa6588.c | 6 +- drivers/media/video/saa7134/saa7134-empress.c | 9 +- drivers/message/fusion/mptfc.c | 14 +- drivers/message/fusion/mptlan.c | 29 ++-- drivers/message/fusion/mptsas.c | 25 +-- drivers/message/fusion/mptspi.c | 14 +- drivers/message/i2o/driver.c | 2 +- drivers/message/i2o/exec-osm.c | 13 +- drivers/message/i2o/i2o_block.c | 15 +- drivers/message/i2o/i2o_block.h | 2 +- drivers/misc/tifm_7xx1.c | 18 +- drivers/mmc/mmc.c | 14 +- drivers/mmc/mmc.h | 2 +- drivers/mmc/mmc_sysfs.c | 10 +- drivers/mmc/tifm_sd.c | 28 +-- drivers/net/8139too.c | 26 +-- drivers/net/bnx2.c | 6 +- drivers/net/cassini.c | 6 +- drivers/net/chelsio/common.h | 2 +- drivers/net/chelsio/cxgb2.c | 16 +- drivers/net/e100.c | 8 +- drivers/net/ehea/ehea_main.c | 9 +- drivers/net/hamradio/baycom_epp.c | 14 +- drivers/net/irda/mcs7780.c | 6 +- drivers/net/irda/sir-dev.h | 2 +- drivers/net/irda/sir_dev.c | 8 +- drivers/net/iseries_veth.c | 12 +- drivers/net/ixgb/ixgb_main.c | 10 +- drivers/net/myri10ge/myri10ge.c | 7 +- drivers/net/ns83820.c | 10 +- drivers/net/pcmcia/xirc2ps_cs.c | 12 +- drivers/net/phy/phy.c | 9 +- drivers/net/plip.c | 38 +++-- drivers/net/qla3xxx.c | 20 ++- drivers/net/qla3xxx.h | 4 +- drivers/net/r8169.c | 23 ++- drivers/net/s2io.c | 16 +- drivers/net/s2io.h | 2 +- drivers/net/sis190.c | 13 +- drivers/net/skge.c | 15 +- drivers/net/skge.h | 2 +- drivers/net/spider_net.c | 9 +- drivers/net/sungem.c | 6 +- drivers/net/tg3.c | 6 +- drivers/net/tlan.c | 23 ++- drivers/net/tlan.h | 1 + drivers/net/tulip/21142.c | 7 +- drivers/net/tulip/timer.c | 7 +- drivers/net/tulip/tulip.h | 7 +- drivers/net/tulip/tulip_core.c | 3 +- drivers/net/wan/pc300_tty.c | 23 +-- drivers/net/wireless/bcm43xx/bcm43xx.h | 2 +- drivers/net/wireless/bcm43xx/bcm43xx_main.c | 20 ++- drivers/net/wireless/hostap/hostap.h | 2 +- drivers/net/wireless/hostap/hostap_ap.c | 19 ++- drivers/net/wireless/hostap/hostap_hw.c | 21 +-- drivers/net/wireless/hostap/hostap_info.c | 6 +- drivers/net/wireless/hostap/hostap_main.c | 8 +- drivers/net/wireless/ipw2100.c | 47 ++--- drivers/net/wireless/ipw2100.h | 10 +- drivers/net/wireless/ipw2200.c | 227 ++++++++++++++----------- drivers/net/wireless/ipw2200.h | 16 +- drivers/net/wireless/orinoco.c | 28 +-- drivers/net/wireless/prism54/isl_ioctl.c | 8 +- drivers/net/wireless/prism54/isl_ioctl.h | 4 +- drivers/net/wireless/prism54/islpci_dev.c | 5 +- drivers/net/wireless/prism54/islpci_eth.c | 4 +- drivers/net/wireless/prism54/islpci_eth.h | 2 +- drivers/net/wireless/prism54/islpci_mgt.c | 2 +- drivers/net/wireless/zd1211rw/zd_mac.c | 7 +- drivers/net/wireless/zd1211rw/zd_mac.h | 2 +- drivers/oprofile/cpu_buffer.c | 9 +- drivers/oprofile/cpu_buffer.h | 2 +- drivers/pci/hotplug/shpchp.h | 4 +- drivers/pci/hotplug/shpchp_core.c | 2 +- drivers/pci/hotplug/shpchp_ctrl.c | 19 ++- drivers/pcmcia/ds.c | 7 +- drivers/rtc/rtc-dev.c | 7 +- drivers/scsi/NCR5380.c | 11 +- drivers/scsi/NCR5380.h | 4 +- drivers/scsi/aha152x.c | 4 +- drivers/scsi/imm.c | 12 +- drivers/scsi/ipr.c | 9 +- drivers/scsi/libiscsi.c | 7 +- drivers/scsi/libsas/sas_discover.c | 22 ++- drivers/scsi/libsas/sas_event.c | 14 +- drivers/scsi/libsas/sas_init.c | 6 +- drivers/scsi/libsas/sas_internal.h | 12 +- drivers/scsi/libsas/sas_phy.c | 45 +++-- drivers/scsi/libsas/sas_port.c | 30 ++-- drivers/scsi/ppa.c | 12 +- drivers/scsi/qla4xxx/ql4_os.c | 7 +- drivers/scsi/scsi_transport_fc.c | 60 +++---- drivers/scsi/scsi_transport_iscsi.c | 8 +- drivers/scsi/scsi_transport_spi.c | 7 +- drivers/spi/spi_bitbang.c | 7 +- drivers/usb/atm/cxacru.c | 12 +- drivers/usb/atm/speedtch.c | 15 +- drivers/usb/atm/ueagle-atm.c | 6 +- drivers/usb/class/cdc-acm.c | 6 +- drivers/usb/core/hub.c | 18 +- drivers/usb/core/hub.h | 2 +- drivers/usb/core/message.c | 7 +- drivers/usb/core/usb.c | 9 +- drivers/usb/gadget/ether.c | 6 +- drivers/usb/host/u132-hcd.c | 62 +++---- drivers/usb/input/hid-core.c | 7 +- drivers/usb/misc/ftdi-elan.c | 86 +++------- drivers/usb/misc/phidgetkit.c | 21 ++- drivers/usb/misc/phidgetmotorcontrol.c | 11 +- drivers/usb/net/kaweth.c | 9 +- drivers/usb/net/pegasus.c | 6 +- drivers/usb/net/pegasus.h | 2 +- drivers/usb/net/usbnet.c | 7 +- drivers/usb/serial/aircable.c | 13 +- drivers/usb/serial/digi_acceleport.c | 14 +- drivers/usb/serial/ftdi_sio.c | 19 ++- drivers/usb/serial/keyspan_pda.c | 22 ++- drivers/usb/serial/usb-serial.c | 7 +- drivers/usb/serial/whiteheat.c | 15 +- drivers/video/console/fbcon.c | 6 +- 212 files changed, 1434 insertions(+), 1180 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 87b17c33b3f..f4078612194 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -135,7 +135,7 @@ static int idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags); static int idt77252_proc_read(struct atm_dev *dev, loff_t * pos, char *page); -static void idt77252_softint(void *dev_id); +static void idt77252_softint(struct work_struct *work); static struct atmdev_ops idt77252_ops = @@ -2866,9 +2866,10 @@ out: } static void -idt77252_softint(void *dev_id) +idt77252_softint(struct work_struct *work) { - struct idt77252_dev *card = dev_id; + struct idt77252_dev *card = + container_of(work, struct idt77252_dev, tqueue); u32 stat; int done; @@ -3697,7 +3698,7 @@ idt77252_init_one(struct pci_dev *pcidev, const struct pci_device_id *id) card->pcidev = pcidev; sprintf(card->name, "idt77252-%d", card->index); - INIT_WORK(&card->tqueue, idt77252_softint, (void *)card); + INIT_WORK(&card->tqueue, idt77252_softint); membase = pci_resource_start(pcidev, 1); srambase = pci_resource_start(pcidev, 2); diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h index 6d111228cfa..2308e83e5f3 100644 --- a/drivers/block/aoe/aoe.h +++ b/drivers/block/aoe/aoe.h @@ -159,7 +159,7 @@ void aoecmd_work(struct aoedev *d); void aoecmd_cfg(ushort aoemajor, unsigned char aoeminor); void aoecmd_ata_rsp(struct sk_buff *); void aoecmd_cfg_rsp(struct sk_buff *); -void aoecmd_sleepwork(void *vp); +void aoecmd_sleepwork(struct work_struct *); struct sk_buff *new_skb(ulong); int aoedev_init(void); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 8a13b1af8ba..97f7f535f41 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -408,9 +408,9 @@ rexmit_timer(ulong vp) /* this function performs work that has been deferred until sleeping is OK */ void -aoecmd_sleepwork(void *vp) +aoecmd_sleepwork(struct work_struct *work) { - struct aoedev *d = (struct aoedev *) vp; + struct aoedev *d = container_of(work, struct aoedev, work); if (d->flags & DEVFL_GDALLOC) aoeblk_gdalloc(d); diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index 6125921bbec..05a97197c91 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -88,7 +88,7 @@ aoedev_newdev(ulong nframes) kfree(d); return NULL; } - INIT_WORK(&d->work, aoecmd_sleepwork, d); + INIT_WORK(&d->work, aoecmd_sleepwork); spin_lock_init(&d->lock); init_timer(&d->timer); d->timer.data = (ulong) d; diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index 40a11e56797..9d9bff23f42 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -352,19 +352,19 @@ static enum action (*phase)(void); static void run_fsm(void); -static void ps_tq_int( void *data); +static void ps_tq_int(struct work_struct *work); -static DECLARE_WORK(fsm_tq, ps_tq_int, NULL); +static DECLARE_DELAYED_WORK(fsm_tq, ps_tq_int); static void schedule_fsm(void) { if (!nice) - schedule_work(&fsm_tq); + schedule_delayed_work(&fsm_tq, 0); else schedule_delayed_work(&fsm_tq, nice-1); } -static void ps_tq_int(void *data) +static void ps_tq_int(struct work_struct *work) { run_fsm(); } diff --git a/drivers/block/paride/pseudo.h b/drivers/block/paride/pseudo.h index 932342d7a8e..bc370329414 100644 --- a/drivers/block/paride/pseudo.h +++ b/drivers/block/paride/pseudo.h @@ -35,7 +35,7 @@ #include #include -static void ps_tq_int( void *data); +static void ps_tq_int(struct work_struct *work); static void (* ps_continuation)(void); static int (* ps_ready)(void); @@ -45,7 +45,7 @@ static int ps_nice = 0; static DEFINE_SPINLOCK(ps_spinlock __attribute__((unused))); -static DECLARE_WORK(ps_tq, ps_tq_int, NULL); +static DECLARE_DELAYED_WORK(ps_tq, ps_tq_int); static void ps_set_intr(void (*continuation)(void), int (*ready)(void), @@ -63,14 +63,14 @@ static void ps_set_intr(void (*continuation)(void), if (!ps_tq_active) { ps_tq_active = 1; if (!ps_nice) - schedule_work(&ps_tq); + schedule_delayed_work(&ps_tq, 0); else schedule_delayed_work(&ps_tq, ps_nice-1); } spin_unlock_irqrestore(&ps_spinlock,flags); } -static void ps_tq_int(void *data) +static void ps_tq_int(struct work_struct *work) { void (*con)(void); unsigned long flags; @@ -92,7 +92,7 @@ static void ps_tq_int(void *data) } ps_tq_active = 1; if (!ps_nice) - schedule_work(&ps_tq); + schedule_delayed_work(&ps_tq, 0); else schedule_delayed_work(&ps_tq, ps_nice-1); spin_unlock_irqrestore(&ps_spinlock,flags); diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 47d6975268f..54509eb3391 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -1244,9 +1244,10 @@ out: return IRQ_RETVAL(handled); } -static void carm_fsm_task (void *_data) +static void carm_fsm_task (struct work_struct *work) { - struct carm_host *host = _data; + struct carm_host *host = + container_of(work, struct carm_host, fsm_task); unsigned long flags; unsigned int state; int rc, i, next_dev; @@ -1619,7 +1620,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) host->pdev = pdev; host->flags = pci_dac ? FL_DAC : 0; spin_lock_init(&host->lock); - INIT_WORK(&host->fsm_task, carm_fsm_task, host); + INIT_WORK(&host->fsm_task, carm_fsm_task); init_completion(&host->probe_comp); for (i = 0; i < ARRAY_SIZE(host->req); i++) diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 0d5c73f0726..2098eff91e1 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -376,7 +376,7 @@ static int ub_submit_clear_stall(struct ub_dev *sc, struct ub_scsi_cmd *cmd, int stalled_pipe); static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd); static void ub_reset_enter(struct ub_dev *sc, int try); -static void ub_reset_task(void *arg); +static void ub_reset_task(struct work_struct *work); static int ub_sync_tur(struct ub_dev *sc, struct ub_lun *lun); static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun, struct ub_capacity *ret); @@ -1558,9 +1558,9 @@ static void ub_reset_enter(struct ub_dev *sc, int try) schedule_work(&sc->reset_work); } -static void ub_reset_task(void *arg) +static void ub_reset_task(struct work_struct *work) { - struct ub_dev *sc = arg; + struct ub_dev *sc = container_of(work, struct ub_dev, reset_work); unsigned long flags; struct list_head *p; struct ub_lun *lun; @@ -2179,7 +2179,7 @@ static int ub_probe(struct usb_interface *intf, usb_init_urb(&sc->work_urb); tasklet_init(&sc->tasklet, ub_scsi_action, (unsigned long)sc); atomic_set(&sc->poison, 0); - INIT_WORK(&sc->reset_work, ub_reset_task, sc); + INIT_WORK(&sc->reset_work, ub_reset_task); init_waitqueue_head(&sc->reset_wait); init_timer(&sc->work_timer); diff --git a/drivers/bluetooth/bcm203x.c b/drivers/bluetooth/bcm203x.c index 516751754aa..9256985cbe3 100644 --- a/drivers/bluetooth/bcm203x.c +++ b/drivers/bluetooth/bcm203x.c @@ -157,9 +157,10 @@ static void bcm203x_complete(struct urb *urb) } } -static void bcm203x_work(void *user_data) +static void bcm203x_work(struct work_struct *work) { - struct bcm203x_data *data = user_data; + struct bcm203x_data *data = + container_of(work, struct bcm203x_data, work); if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0) BT_ERR("Can't submit URB"); @@ -246,7 +247,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id release_firmware(firmware); - INIT_WORK(&data->work, bcm203x_work, (void *) data); + INIT_WORK(&data->work, bcm203x_work); usb_set_intfdata(intf, data); diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index e608dadece2..acb2de5e3a9 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -926,9 +926,10 @@ cy_sched_event(struct cyclades_port *info, int event) * had to poll every port to see if that port needed servicing. */ static void -do_softint(void *private_) +do_softint(struct work_struct *work) { - struct cyclades_port *info = (struct cyclades_port *) private_; + struct cyclades_port *info = + container_of(work, struct cyclades_port, tqueue); struct tty_struct *tty; tty = info->tty; @@ -5328,7 +5329,7 @@ cy_init(void) info->blocked_open = 0; info->default_threshold = 0; info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint, info); + INIT_WORK(&info->tqueue, do_softint); init_waitqueue_head(&info->open_wait); init_waitqueue_head(&info->close_wait); init_waitqueue_head(&info->shutdown_wait); @@ -5403,7 +5404,7 @@ cy_init(void) info->blocked_open = 0; info->default_threshold = 0; info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint, info); + INIT_WORK(&info->tqueue, do_softint); init_waitqueue_head(&info->open_wait); init_waitqueue_head(&info->close_wait); init_waitqueue_head(&info->shutdown_wait); diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 60c1695db30..806f9ce5f47 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -500,9 +500,9 @@ via_dmablit_timer(unsigned long data) static void -via_dmablit_workqueue(void *data) +via_dmablit_workqueue(struct work_struct *work) { - drm_via_blitq_t *blitq = (drm_via_blitq_t *) data; + drm_via_blitq_t *blitq = container_of(work, drm_via_blitq_t, wq); drm_device_t *dev = blitq->dev; unsigned long irqsave; drm_via_sg_info_t *cur_sg; @@ -571,7 +571,7 @@ via_init_dmablit(drm_device_t *dev) DRM_INIT_WAITQUEUE(blitq->blit_queue + j); } DRM_INIT_WAITQUEUE(&blitq->busy_queue); - INIT_WORK(&blitq->wq, via_dmablit_workqueue, blitq); + INIT_WORK(&blitq->wq, via_dmablit_workqueue); init_timer(&blitq->poll_timer); blitq->poll_timer.function = &via_dmablit_timer; blitq->poll_timer.data = (unsigned long) blitq; diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 706733c0b36..7c71eb77980 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -200,7 +200,7 @@ static int pc_ioctl(struct tty_struct *, struct file *, static int info_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long); static void pc_set_termios(struct tty_struct *, struct termios *); -static void do_softint(void *); +static void do_softint(struct work_struct *work); static void pc_stop(struct tty_struct *); static void pc_start(struct tty_struct *); static void pc_throttle(struct tty_struct * tty); @@ -1505,7 +1505,7 @@ static void post_fep_init(unsigned int crd) ch->brdchan = bc; ch->mailbox = gd; - INIT_WORK(&ch->tqueue, do_softint, ch); + INIT_WORK(&ch->tqueue, do_softint); ch->board = &boards[crd]; spin_lock_irqsave(&epca_lock, flags); @@ -2566,9 +2566,9 @@ static void pc_set_termios(struct tty_struct *tty, struct termios *old_termios) /* --------------------- Begin do_softint ----------------------- */ -static void do_softint(void *private_) +static void do_softint(struct work_struct *work) { /* Begin do_softint */ - struct channel *ch = (struct channel *) private_; + struct channel *ch = container_of(work, struct channel, tqueue); /* Called in response to a modem change event */ if (ch && ch->magic == EPCA_MAGIC) { /* Begin EPCA_MAGIC */ struct tty_struct *tty = ch->tty; diff --git a/drivers/char/esp.c b/drivers/char/esp.c index 15a4ea89632..93b55196251 100644 --- a/drivers/char/esp.c +++ b/drivers/char/esp.c @@ -723,9 +723,10 @@ static irqreturn_t rs_interrupt_single(int irq, void *dev_id) * ------------------------------------------------------------------- */ -static void do_softint(void *private_) +static void do_softint(struct work_struct *work) { - struct esp_struct *info = (struct esp_struct *) private_; + struct esp_struct *info = + container_of(work, struct esp_struct, tqueue); struct tty_struct *tty; tty = info->tty; @@ -746,9 +747,10 @@ static void do_softint(void *private_) * do_serial_hangup() -> tty->hangup() -> esp_hangup() * */ -static void do_serial_hangup(void *private_) +static void do_serial_hangup(struct work_struct *work) { - struct esp_struct *info = (struct esp_struct *) private_; + struct esp_struct *info = + container_of(work, struct esp_struct, tqueue_hangup); struct tty_struct *tty; tty = info->tty; @@ -2501,8 +2503,8 @@ static int __init espserial_init(void) info->magic = ESP_MAGIC; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; - INIT_WORK(&info->tqueue, do_softint, info); - INIT_WORK(&info->tqueue_hangup, do_serial_hangup, info); + INIT_WORK(&info->tqueue, do_softint); + INIT_WORK(&info->tqueue_hangup, do_serial_hangup); info->config.rx_timeout = rx_timeout; info->config.flow_on = flow_on; info->config.flow_off = flow_off; diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c index 817dc409ac2..23b25ada65e 100644 --- a/drivers/char/genrtc.c +++ b/drivers/char/genrtc.c @@ -102,7 +102,7 @@ static void gen_rtc_interrupt(unsigned long arg); * Routine to poll RTC seconds field for change as often as possible, * after first RTC_UIE use timer to reduce polling */ -static void genrtc_troutine(void *data) +static void genrtc_troutine(struct work_struct *work) { unsigned int tmp = get_rtc_ss(); @@ -255,7 +255,7 @@ static inline int gen_set_rtc_irq_bit(unsigned char bit) irq_active = 1; stop_rtc_timers = 0; lostint = 0; - INIT_WORK(&genrtc_task, genrtc_troutine, NULL); + INIT_WORK(&genrtc_task, genrtc_troutine); oldsecs = get_rtc_ss(); init_timer(&timer_task); diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 2cf63e7305a..82a41d5b4ed 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -69,7 +69,7 @@ #define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) struct hvsi_struct { - struct work_struct writer; + struct delayed_work writer; struct work_struct handshaker; wait_queue_head_t emptyq; /* woken when outbuf is emptied */ wait_queue_head_t stateq; /* woken when HVSI state changes */ @@ -744,9 +744,10 @@ static int hvsi_handshake(struct hvsi_struct *hp) return 0; } -static void hvsi_handshaker(void *arg) +static void hvsi_handshaker(struct work_struct *work) { - struct hvsi_struct *hp = (struct hvsi_struct *)arg; + struct hvsi_struct *hp = + container_of(work, struct hvsi_struct, handshaker); if (hvsi_handshake(hp) >= 0) return; @@ -951,9 +952,10 @@ static void hvsi_push(struct hvsi_struct *hp) } /* hvsi_write_worker will keep rescheduling itself until outbuf is empty */ -static void hvsi_write_worker(void *arg) +static void hvsi_write_worker(struct work_struct *work) { - struct hvsi_struct *hp = (struct hvsi_struct *)arg; + struct hvsi_struct *hp = + container_of(work, struct hvsi_struct, writer.work); unsigned long flags; #ifdef DEBUG static long start_j = 0; @@ -1287,8 +1289,8 @@ static int __init hvsi_console_init(void) } hp = &hvsi_ports[hvsi_count]; - INIT_WORK(&hp->writer, hvsi_write_worker, hp); - INIT_WORK(&hp->handshaker, hvsi_handshaker, hp); + INIT_DELAYED_WORK(&hp->writer, hvsi_write_worker); + INIT_WORK(&hp->handshaker, hvsi_handshaker); init_waitqueue_head(&hp->emptyq); init_waitqueue_head(&hp->stateq); spin_lock_init(&hp->lock); diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c index 54d93f0345e..c213fdbdb2b 100644 --- a/drivers/char/ip2/i2lib.c +++ b/drivers/char/ip2/i2lib.c @@ -84,8 +84,8 @@ static void iiSendPendingMail(i2eBordStrPtr); static void serviceOutgoingFifo(i2eBordStrPtr); // Functions defined in ip2.c as part of interrupt handling -static void do_input(void *); -static void do_status(void *); +static void do_input(struct work_struct *); +static void do_status(struct work_struct *); //*************** //* Debug Data * @@ -331,8 +331,8 @@ i2InitChannels ( i2eBordStrPtr pB, int nChannels, i2ChanStrPtr pCh) pCh->ClosingWaitTime = 30*HZ; // Initialize task queue objects - INIT_WORK(&pCh->tqueue_input, do_input, pCh); - INIT_WORK(&pCh->tqueue_status, do_status, pCh); + INIT_WORK(&pCh->tqueue_input, do_input); + INIT_WORK(&pCh->tqueue_status, do_status); #ifdef IP2DEBUG_TRACE pCh->trace = ip2trace; @@ -1573,7 +1573,7 @@ i2StripFifo(i2eBordStrPtr pB) #ifdef USE_IQ schedule_work(&pCh->tqueue_input); #else - do_input(pCh); + do_input(&pCh->tqueue_input); #endif // Note we do not need to maintain any flow-control credits at this @@ -1810,7 +1810,7 @@ i2StripFifo(i2eBordStrPtr pB) #ifdef USE_IQ schedule_work(&pCh->tqueue_status); #else - do_status(pCh); + do_status(&pCh->tqueue_status); #endif } } diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index a3f32d46d2f..cda2459c1d6 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -189,12 +189,12 @@ static int ip2_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear); static void set_irq(int, int); -static void ip2_interrupt_bh(i2eBordStrPtr pB); +static void ip2_interrupt_bh(struct work_struct *work); static irqreturn_t ip2_interrupt(int irq, void *dev_id); static void ip2_poll(unsigned long arg); static inline void service_all_boards(void); -static void do_input(void *p); -static void do_status(void *p); +static void do_input(struct work_struct *); +static void do_status(struct work_struct *); static void ip2_wait_until_sent(PTTY,int); @@ -918,7 +918,7 @@ ip2_init_board( int boardnum ) pCh++; } ex_exit: - INIT_WORK(&pB->tqueue_interrupt, (void(*)(void*)) ip2_interrupt_bh, pB); + INIT_WORK(&pB->tqueue_interrupt, ip2_interrupt_bh); return; err_release_region: @@ -1125,8 +1125,8 @@ service_all_boards(void) /******************************************************************************/ -/* Function: ip2_interrupt_bh(pB) */ -/* Parameters: pB - pointer to the board structure */ +/* Function: ip2_interrupt_bh(work) */ +/* Parameters: work - pointer to the board structure */ /* Returns: Nothing */ /* */ /* Description: */ @@ -1135,8 +1135,9 @@ service_all_boards(void) /* */ /******************************************************************************/ static void -ip2_interrupt_bh(i2eBordStrPtr pB) +ip2_interrupt_bh(struct work_struct *work) { + i2eBordStrPtr pB = container_of(work, i2eBordStr, tqueue_interrupt); // pB better well be set or we have a problem! We can only get // here from the IMMEDIATE queue. Here, we process the boards. // Checking pB doesn't cost much and it saves us from the sanity checkers. @@ -1245,9 +1246,9 @@ ip2_poll(unsigned long arg) ip2trace (ITRC_NO_PORT, ITRC_INTR, ITRC_RETURN, 0 ); } -static void do_input(void *p) +static void do_input(struct work_struct *work) { - i2ChanStrPtr pCh = p; + i2ChanStrPtr pCh = container_of(work, i2ChanStr, tqueue_input); unsigned long flags; ip2trace(CHANN, ITRC_INPUT, 21, 0 ); @@ -1279,9 +1280,9 @@ static inline void isig(int sig, struct tty_struct *tty, int flush) } } -static void do_status(void *p) +static void do_status(struct work_struct *work) { - i2ChanStrPtr pCh = p; + i2ChanStrPtr pCh = container_of(work, i2ChanStr, tqueue_status); int status; status = i2GetStatus( pCh, (I2_BRK|I2_PAR|I2_FRA|I2_OVR) ); diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 58c955e390b..1637c1d9a4b 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -530,9 +530,9 @@ sched_again: /* Interrupt handlers */ -static void isicom_bottomhalf(void *data) +static void isicom_bottomhalf(struct work_struct *work) { - struct isi_port *port = (struct isi_port *) data; + struct isi_port *port = container_of(work, struct isi_port, bh_tqueue); struct tty_struct *tty = port->tty; if (!tty) @@ -1474,9 +1474,9 @@ static void isicom_start(struct tty_struct *tty) } /* hangup et all */ -static void do_isicom_hangup(void *data) +static void do_isicom_hangup(struct work_struct *work) { - struct isi_port *port = data; + struct isi_port *port = container_of(work, struct isi_port, hangup_tq); struct tty_struct *tty; tty = port->tty; @@ -1966,8 +1966,8 @@ static int __devinit isicom_setup(void) port->channel = channel; port->close_delay = 50 * HZ/100; port->closing_wait = 3000 * HZ/100; - INIT_WORK(&port->hangup_tq, do_isicom_hangup, port); - INIT_WORK(&port->bh_tqueue, isicom_bottomhalf, port); + INIT_WORK(&port->hangup_tq, do_isicom_hangup); + INIT_WORK(&port->bh_tqueue, isicom_bottomhalf); port->status = 0; init_waitqueue_head(&port->open_wait); init_waitqueue_head(&port->close_wait); diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 96cb1f07332..2d025a9fd14 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -222,7 +222,7 @@ static struct semaphore moxaBuffSem; /* * static functions: */ -static void do_moxa_softint(void *); +static void do_moxa_softint(struct work_struct *); static int moxa_open(struct tty_struct *, struct file *); static void moxa_close(struct tty_struct *, struct file *); static int moxa_write(struct tty_struct *, const unsigned char *, int); @@ -363,7 +363,7 @@ static int __init moxa_init(void) for (i = 0, ch = moxaChannels; i < MAX_PORTS; i++, ch++) { ch->type = PORT_16550A; ch->port = i; - INIT_WORK(&ch->tqueue, do_moxa_softint, ch); + INIT_WORK(&ch->tqueue, do_moxa_softint); ch->tty = NULL; ch->close_delay = 5 * HZ / 10; ch->closing_wait = 30 * HZ; @@ -509,9 +509,9 @@ static void __exit moxa_exit(void) module_init(moxa_init); module_exit(moxa_exit); -static void do_moxa_softint(void *private_) +static void do_moxa_softint(struct work_struct *work) { - struct moxa_str *ch = (struct moxa_str *) private_; + struct moxa_str *ch = container_of(work, struct moxa_str, tqueue); struct tty_struct *tty; if (ch && (tty = ch->tty)) { diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 048d91142c1..5ed2486b758 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -389,7 +389,7 @@ static int mxser_init(void); /* static void mxser_poll(unsigned long); */ static int mxser_get_ISA_conf(int, struct mxser_hwconf *); static int mxser_get_PCI_conf(int, int, int, struct mxser_hwconf *); -static void mxser_do_softint(void *); +static void mxser_do_softint(struct work_struct *); static int mxser_open(struct tty_struct *, struct file *); static void mxser_close(struct tty_struct *, struct file *); static int mxser_write(struct tty_struct *, const unsigned char *, int); @@ -590,7 +590,7 @@ static int mxser_initbrd(int board, struct mxser_hwconf *hwconf) info->custom_divisor = hwconf->baud_base[i] * 16; info->close_delay = 5 * HZ / 10; info->closing_wait = 30 * HZ; - INIT_WORK(&info->tqueue, mxser_do_softint, info); + INIT_WORK(&info->tqueue, mxser_do_softint); info->normal_termios = mxvar_sdriver->init_termios; init_waitqueue_head(&info->open_wait); init_waitqueue_head(&info->close_wait); @@ -917,9 +917,10 @@ static int mxser_init(void) return 0; } -static void mxser_do_softint(void *private_) +static void mxser_do_softint(struct work_struct *work) { - struct mxser_struct *info = private_; + struct mxser_struct *info = + container_of(work, struct mxser_struct, tqueue); struct tty_struct *tty; tty = info->tty; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 1a0bc30b79d..e4d950072b5 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -421,7 +421,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id); /* * Bottom half interrupt handlers */ -static void bh_handler(void* Context); +static void bh_handler(struct work_struct *work); static void bh_transmit(MGSLPC_INFO *info); static void bh_status(MGSLPC_INFO *info); @@ -547,7 +547,7 @@ static int mgslpc_probe(struct pcmcia_device *link) memset(info, 0, sizeof(MGSLPC_INFO)); info->magic = MGSLPC_MAGIC; - INIT_WORK(&info->task, bh_handler, info); + INIT_WORK(&info->task, bh_handler); info->max_frame_size = 4096; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; @@ -842,9 +842,9 @@ static int bh_action(MGSLPC_INFO *info) return rc; } -static void bh_handler(void* Context) +static void bh_handler(struct work_struct *work) { - MGSLPC_INFO *info = (MGSLPC_INFO*)Context; + MGSLPC_INFO *info = container_of(work, MGSLPC_INFO, task); int action; if (!info) diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index c084149153d..fc87070f186 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -765,7 +765,7 @@ static void sonypi_setbluetoothpower(u8 state) sonypi_device.bluetooth_power = state; } -static void input_keyrelease(void *data) +static void input_keyrelease(struct work_struct *work) { struct sonypi_keypress kp; @@ -1412,7 +1412,7 @@ static int __devinit sonypi_probe(struct platform_device *dev) goto err_inpdev_unregister; } - INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL); + INIT_WORK(&sonypi_device.input_work, input_keyrelease); } sonypi_enable(0); diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 7e1bd9562c2..99137ab66b6 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -2261,9 +2261,10 @@ static void sx_start(struct tty_struct * tty) * do_sx_hangup() -> tty->hangup() -> sx_hangup() * */ -static void do_sx_hangup(void *private_) +static void do_sx_hangup(struct work_struct *work) { - struct specialix_port *port = (struct specialix_port *) private_; + struct specialix_port *port = + container_of(work, struct specialix_port, tqueue_hangup); struct tty_struct *tty; func_enter(); @@ -2336,9 +2337,10 @@ static void sx_set_termios(struct tty_struct * tty, struct termios * old_termios } -static void do_softint(void *private_) +static void do_softint(struct work_struct *work) { - struct specialix_port *port = (struct specialix_port *) private_; + struct specialix_port *port = + container_of(work, struct specialix_port, tqueue); struct tty_struct *tty; func_enter(); @@ -2411,8 +2413,8 @@ static int sx_init_drivers(void) memset(sx_port, 0, sizeof(sx_port)); for (i = 0; i < SX_NPORT * SX_NBOARD; i++) { sx_port[i].magic = SPECIALIX_MAGIC; - INIT_WORK(&sx_port[i].tqueue, do_softint, &sx_port[i]); - INIT_WORK(&sx_port[i].tqueue_hangup, do_sx_hangup, &sx_port[i]); + INIT_WORK(&sx_port[i].tqueue, do_softint); + INIT_WORK(&sx_port[i].tqueue_hangup, do_sx_hangup); sx_port[i].close_delay = 50 * HZ/100; sx_port[i].closing_wait = 3000 * HZ/100; init_waitqueue_head(&sx_port[i].open_wait); diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 06784adcc35..147c30da81e 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -802,7 +802,7 @@ static int save_tx_buffer_request(struct mgsl_struct *info,const char *Buffer, u /* * Bottom half interrupt handlers */ -static void mgsl_bh_handler(void* Context); +static void mgsl_bh_handler(struct work_struct *work); static void mgsl_bh_receive(struct mgsl_struct *info); static void mgsl_bh_transmit(struct mgsl_struct *info); static void mgsl_bh_status(struct mgsl_struct *info); @@ -1071,9 +1071,10 @@ static int mgsl_bh_action(struct mgsl_struct *info) /* * Perform bottom half processing of work items queued by ISR. */ -static void mgsl_bh_handler(void* Context) +static void mgsl_bh_handler(struct work_struct *work) { - struct mgsl_struct *info = (struct mgsl_struct*)Context; + struct mgsl_struct *info = + container_of(work, struct mgsl_struct, task); int action; if (!info) @@ -4337,7 +4338,7 @@ static struct mgsl_struct* mgsl_allocate_device(void) } else { memset(info, 0, sizeof(struct mgsl_struct)); info->magic = MGSL_MAGIC; - INIT_WORK(&info->task, mgsl_bh_handler, info); + INIT_WORK(&info->task, mgsl_bh_handler); info->max_frame_size = 4096; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index d4334c79f8d..07f34d43dc7 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -485,7 +485,7 @@ static void enable_loopback(struct slgt_info *info); static void set_rate(struct slgt_info *info, u32 data_rate); static int bh_action(struct slgt_info *info); -static void bh_handler(void* context); +static void bh_handler(struct work_struct *work); static void bh_transmit(struct slgt_info *info); static void isr_serial(struct slgt_info *info); static void isr_rdma(struct slgt_info *info); @@ -1878,9 +1878,9 @@ static int bh_action(struct slgt_info *info) /* * perform bottom half processing */ -static void bh_handler(void* context) +static void bh_handler(struct work_struct *work) { - struct slgt_info *info = context; + struct slgt_info *info = container_of(work, struct slgt_info, task); int action; if (!info) @@ -3326,7 +3326,7 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev } else { memset(info, 0, sizeof(struct slgt_info)); info->magic = MGSL_MAGIC; - INIT_WORK(&info->task, bh_handler, info); + INIT_WORK(&info->task, bh_handler); info->max_frame_size = 4096; info->raw_rx_size = DMABUFSIZE; info->close_delay = 5*HZ/10; @@ -4799,6 +4799,6 @@ static void rx_timeout(unsigned long context) spin_lock_irqsave(&info->lock, flags); info->pending_bh |= BH_RECEIVE; spin_unlock_irqrestore(&info->lock, flags); - bh_handler(info); + bh_handler(&info->task); } diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 3e932b68137..13a57245cf2 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -602,7 +602,7 @@ static void enable_loopback(SLMP_INFO *info, int enable); static void set_rate(SLMP_INFO *info, u32 data_rate); static int bh_action(SLMP_INFO *info); -static void bh_handler(void* Context); +static void bh_handler(struct work_struct *work); static void bh_receive(SLMP_INFO *info); static void bh_transmit(SLMP_INFO *info); static void bh_status(SLMP_INFO *info); @@ -2063,9 +2063,9 @@ int bh_action(SLMP_INFO *info) /* Perform bottom half processing of work items queued by ISR. */ -void bh_handler(void* Context) +void bh_handler(struct work_struct *work) { - SLMP_INFO *info = (SLMP_INFO*)Context; + SLMP_INFO *info = container_of(work, SLMP_INFO, task); int action; if (!info) @@ -3805,7 +3805,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev) } else { memset(info, 0, sizeof(SLMP_INFO)); info->magic = MGSL_MAGIC; - INIT_WORK(&info->task, bh_handler, info); + INIT_WORK(&info->task, bh_handler); info->max_frame_size = 4096; info->close_delay = 5*HZ/10; info->closing_wait = 30*HZ; diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 6ad2d3bb945..36f91a65527 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -325,9 +325,9 @@ static void user_reader_timeout(unsigned long ptr) schedule_work(&chip->work); } -static void timeout_work(void *ptr) +static void timeout_work(struct work_struct *work) { - struct tpm_chip *chip = ptr; + struct tpm_chip *chip = container_of(work, struct tpm_chip, work); down(&chip->buffer_mutex); atomic_set(&chip->data_pending, 0); @@ -1105,7 +1105,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend init_MUTEX(&chip->tpm_mutex); INIT_LIST_HEAD(&chip->list); - INIT_WORK(&chip->work, timeout_work, chip); + INIT_WORK(&chip->work, timeout_work); init_timer(&chip->user_read_timer); chip->user_read_timer.function = user_reader_timeout; diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 05f8ce2cfb4..b418b16e910 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -31,9 +31,11 @@ #include #include -void cn_queue_wrapper(void *data) +void cn_queue_wrapper(struct work_struct *work) { - struct cn_callback_data *d = data; + struct cn_callback_entry *cbq = + container_of(work, struct cn_callback_entry, work.work); + struct cn_callback_data *d = &cbq->data; d->callback(d->callback_priv); @@ -57,7 +59,7 @@ static struct cn_callback_entry *cn_queue_alloc_callback_entry(char *name, struc memcpy(&cbq->id.id, id, sizeof(struct cb_id)); cbq->data.callback = callback; - INIT_WORK(&cbq->work, &cn_queue_wrapper, &cbq->data); + INIT_DELAYED_WORK(&cbq->work, &cn_queue_wrapper); return cbq; } diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index b49bacfd8de..5e7cd45d10e 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -135,40 +135,39 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v spin_lock_bh(&dev->cbdev->queue_lock); list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) { if (cn_cb_equal(&__cbq->id.id, &msg->id)) { - if (likely(!test_bit(0, &__cbq->work.pending) && + if (likely(!test_bit(WORK_STRUCT_PENDING, + &__cbq->work.work.management) && __cbq->data.ddata == NULL)) { __cbq->data.callback_priv = msg; __cbq->data.ddata = data; __cbq->data.destruct_data = destruct_data; - if (queue_work(dev->cbdev->cn_queue, - &__cbq->work)) + if (queue_delayed_work( + dev->cbdev->cn_queue, + &__cbq->work, 0)) err = 0; } else { - struct work_struct *w; struct cn_callback_data *d; - w = kzalloc(sizeof(*w) + sizeof(*d), GFP_ATOMIC); - if (w) { - d = (struct cn_callback_data *)(w+1); - + __cbq = kzalloc(sizeof(*__cbq), GFP_ATOMIC); + if (__cbq) { + d = &__cbq->data; d->callback_priv = msg; d->callback = __cbq->data.callback; d->ddata = data; d->destruct_data = destruct_data; - d->free = w; + d->free = __cbq; - INIT_LIST_HEAD(&w->entry); - w->pending = 0; - w->func = &cn_queue_wrapper; - w->data = d; - init_timer(&w->timer); + INIT_DELAYED_WORK(&__cbq->work, + &cn_queue_wrapper); - if (queue_work(dev->cbdev->cn_queue, w)) + if (queue_delayed_work( + dev->cbdev->cn_queue, + &__cbq->work, 0)) err = 0; else { - kfree(w); + kfree(__cbq); err = -EINVAL; } } else diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index c4c578defab..5ef5ede5b88 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -59,7 +59,7 @@ static unsigned int def_sampling_rate; #define MAX_SAMPLING_DOWN_FACTOR (10) #define TRANSITION_LATENCY_LIMIT (10 * 1000) -static void do_dbs_timer(void *data); +static void do_dbs_timer(struct work_struct *work); struct cpu_dbs_info_s { struct cpufreq_policy *cur_policy; @@ -82,7 +82,7 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */ * is recursive for the same process. -Venki */ static DEFINE_MUTEX (dbs_mutex); -static DECLARE_WORK (dbs_work, do_dbs_timer, NULL); +static DECLARE_DELAYED_WORK(dbs_work, do_dbs_timer); struct dbs_tuners { unsigned int sampling_rate; @@ -420,7 +420,7 @@ static void dbs_check_cpu(int cpu) } } -static void do_dbs_timer(void *data) +static void do_dbs_timer(struct work_struct *work) { int i; lock_cpu_hotplug(); @@ -435,7 +435,6 @@ static void do_dbs_timer(void *data) static inline void dbs_timer_init(void) { - INIT_WORK(&dbs_work, do_dbs_timer, NULL); schedule_delayed_work(&dbs_work, usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); return; diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index bf8aa45d4f0..e1cc5113c2a 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -47,13 +47,17 @@ static unsigned int def_sampling_rate; #define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER (1000) #define TRANSITION_LATENCY_LIMIT (10 * 1000) -static void do_dbs_timer(void *data); +static void do_dbs_timer(struct work_struct *work); + +/* Sampling types */ +enum dbs_sample {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE}; struct cpu_dbs_info_s { cputime64_t prev_cpu_idle; cputime64_t prev_cpu_wall; struct cpufreq_policy *cur_policy; - struct work_struct work; + struct delayed_work work; + enum dbs_sample sample_type; unsigned int enable; struct cpufreq_frequency_table *freq_table; unsigned int freq_lo; @@ -407,30 +411,31 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) } } -/* Sampling types */ -enum {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE}; - -static void do_dbs_timer(void *data) +static void do_dbs_timer(struct work_struct *work) { unsigned int cpu = smp_processor_id(); struct cpu_dbs_info_s *dbs_info = &per_cpu(cpu_dbs_info, cpu); + enum dbs_sample sample_type = dbs_info->sample_type; /* We want all CPUs to do sampling nearly on same jiffy */ int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate); + + /* Permit rescheduling of this work item */ + work_release(work); + delay -= jiffies % delay; if (!dbs_info->enable) return; /* Common NORMAL_SAMPLE setup */ - INIT_WORK(&dbs_info->work, do_dbs_timer, (void *)DBS_NORMAL_SAMPLE); + dbs_info->sample_type = DBS_NORMAL_SAMPLE; if (!dbs_tuners_ins.powersave_bias || - (unsigned long) data == DBS_NORMAL_SAMPLE) { + sample_type == DBS_NORMAL_SAMPLE) { lock_cpu_hotplug(); dbs_check_cpu(dbs_info); unlock_cpu_hotplug(); if (dbs_info->freq_lo) { /* Setup timer for SUB_SAMPLE */ - INIT_WORK(&dbs_info->work, do_dbs_timer, - (void *)DBS_SUB_SAMPLE); + dbs_info->sample_type = DBS_SUB_SAMPLE; delay = dbs_info->freq_hi_jiffies; } } else { @@ -449,7 +454,8 @@ static inline void dbs_timer_init(unsigned int cpu) delay -= jiffies % delay; ondemand_powersave_bias_init(); - INIT_WORK(&dbs_info->work, do_dbs_timer, NULL); + INIT_DELAYED_WORK_NAR(&dbs_info->work, do_dbs_timer); + dbs_info->sample_type = DBS_NORMAL_SAMPLE; queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work, delay); } diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c index 4630f1969a0..15edf40828b 100644 --- a/drivers/i2c/chips/ds1374.c +++ b/drivers/i2c/chips/ds1374.c @@ -140,12 +140,14 @@ ulong ds1374_get_rtc_time(void) return t1; } -static void ds1374_set_work(void *arg) +static ulong new_time; + +static void ds1374_set_work(struct work_struct *work) { ulong t1, t2; int limit = 10; /* arbitrary retry limit */ - t1 = *(ulong *) arg; + t1 = new_time; mutex_lock(&ds1374_mutex); @@ -167,11 +169,9 @@ static void ds1374_set_work(void *arg) "can't confirm time set from rtc chip\n"); } -static ulong new_time; - static struct workqueue_struct *ds1374_workqueue; -static DECLARE_WORK(ds1374_work, ds1374_set_work, &new_time); +static DECLARE_WORK(ds1374_work, ds1374_set_work); int ds1374_set_rtc_time(ulong nowtime) { @@ -180,7 +180,7 @@ int ds1374_set_rtc_time(ulong nowtime) if (in_interrupt()) queue_work(ds1374_workqueue, &ds1374_work); else - ds1374_set_work(&new_time); + ds1374_set_work(NULL); return 0; } diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index d90a3a1898c..8f4378a1631 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -31,9 +31,10 @@ #include "config_roms.h" -static void delayed_reset_bus(void * __reset_info) +static void delayed_reset_bus(struct work_struct *work) { - struct hpsb_host *host = (struct hpsb_host*)__reset_info; + struct hpsb_host *host = + container_of(work, struct hpsb_host, delayed_reset.work); int generation = host->csr.generation + 1; /* The generation field rolls over to 2 rather than 0 per IEEE @@ -145,7 +146,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, atomic_set(&h->generation, 0); - INIT_WORK(&h->delayed_reset, delayed_reset_bus, h); + INIT_DELAYED_WORK(&h->delayed_reset, delayed_reset_bus); init_timer(&h->timeout); h->timeout.data = (unsigned long) h; @@ -234,7 +235,7 @@ int hpsb_update_config_rom_image(struct hpsb_host *host) * Config ROM in the near future. */ reset_delay = HZ; - PREPARE_WORK(&host->delayed_reset, delayed_reset_bus, host); + PREPARE_DELAYED_WORK(&host->delayed_reset, delayed_reset_bus); schedule_delayed_work(&host->delayed_reset, reset_delay); return 0; diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h index bc6dbfadb89..d553e38c954 100644 --- a/drivers/ieee1394/hosts.h +++ b/drivers/ieee1394/hosts.h @@ -62,7 +62,7 @@ struct hpsb_host { struct class_device class_dev; int update_config_rom; - struct work_struct delayed_reset; + struct delayed_work delayed_reset; unsigned int config_roms; struct list_head addr_space; diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 6986ac18828..cd156d4e779 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -493,20 +493,25 @@ static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id, scsi_unblock_requests(scsi_id->scsi_host); } -static void sbp2util_write_orb_pointer(void *p) +static void sbp2util_write_orb_pointer(struct work_struct *work) { + struct scsi_id_instance_data *scsi_id = + container_of(work, struct scsi_id_instance_data, + protocol_work.work); quadlet_t data[2]; - data[0] = ORB_SET_NODE_ID( - ((struct scsi_id_instance_data *)p)->hi->host->node_id); - data[1] = ((struct scsi_id_instance_data *)p)->last_orb_dma; + data[0] = ORB_SET_NODE_ID(scsi_id->hi->host->node_id); + data[1] = scsi_id->last_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - sbp2util_notify_fetch_agent(p, SBP2_ORB_POINTER_OFFSET, data, 8); + sbp2util_notify_fetch_agent(scsi_id, SBP2_ORB_POINTER_OFFSET, data, 8); } -static void sbp2util_write_doorbell(void *p) +static void sbp2util_write_doorbell(struct work_struct *work) { - sbp2util_notify_fetch_agent(p, SBP2_DOORBELL_OFFSET, NULL, 4); + struct scsi_id_instance_data *scsi_id = + container_of(work, struct scsi_id_instance_data, + protocol_work.work); + sbp2util_notify_fetch_agent(scsi_id, SBP2_DOORBELL_OFFSET, NULL, 4); } /* @@ -843,7 +848,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud INIT_LIST_HEAD(&scsi_id->scsi_list); spin_lock_init(&scsi_id->sbp2_command_orb_lock); atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); - INIT_WORK(&scsi_id->protocol_work, NULL, NULL); + INIT_DELAYED_WORK(&scsi_id->protocol_work, NULL); ud->device.driver_data = scsi_id; @@ -2047,11 +2052,10 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, * We do not accept new commands until the job is over. */ scsi_block_requests(scsi_id->scsi_host); - PREPARE_WORK(&scsi_id->protocol_work, + PREPARE_DELAYED_WORK(&scsi_id->protocol_work, last_orb ? sbp2util_write_doorbell: - sbp2util_write_orb_pointer, - scsi_id); - schedule_work(&scsi_id->protocol_work); + sbp2util_write_orb_pointer); + schedule_delayed_work(&scsi_id->protocol_work, 0); } } diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index abbe48e646c..1b16d6b9cf1 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -348,7 +348,7 @@ struct scsi_id_instance_data { unsigned workarounds; atomic_t state; - struct work_struct protocol_work; + struct delayed_work protocol_work; }; /* For use in scsi_id_instance_data.state */ diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index e11187ecc93..84b2f5cb372 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -55,11 +55,11 @@ struct addr_req { int status; }; -static void process_req(void *data); +static void process_req(struct work_struct *work); static DEFINE_MUTEX(lock); static LIST_HEAD(req_list); -static DECLARE_WORK(work, process_req, NULL); +static DECLARE_DELAYED_WORK(work, process_req); static struct workqueue_struct *addr_wq; void rdma_addr_register_client(struct rdma_addr_client *client) @@ -215,7 +215,7 @@ out: return ret; } -static void process_req(void *data) +static void process_req(struct work_struct *work) { struct addr_req *req, *temp_req; struct sockaddr_in *src_in, *dst_in; diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 20e9f64e67a..98272fbbfb3 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -285,9 +285,10 @@ err: kfree(tprops); } -static void ib_cache_task(void *work_ptr) +static void ib_cache_task(struct work_struct *_work) { - struct ib_update_work *work = work_ptr; + struct ib_update_work *work = + container_of(_work, struct ib_update_work, work); ib_cache_update(work->device, work->port_num); kfree(work); @@ -306,7 +307,7 @@ static void ib_cache_event(struct ib_event_handler *handler, event->event == IB_EVENT_CLIENT_REREGISTER) { work = kmalloc(sizeof *work, GFP_ATOMIC); if (work) { - INIT_WORK(&work->work, ib_cache_task, work); + INIT_WORK(&work->work, ib_cache_task); work->device = event->device; work->port_num = event->element.port_num; schedule_work(&work->work); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 25b1018a476..e1990f531d0 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -101,7 +101,7 @@ struct cm_av { }; struct cm_work { - struct work_struct work; + struct delayed_work work; struct list_head list; struct cm_port *port; struct ib_mad_recv_wc *mad_recv_wc; /* Received MADs */ @@ -161,7 +161,7 @@ struct cm_id_private { atomic_t work_count; }; -static void cm_work_handler(void *data); +static void cm_work_handler(struct work_struct *work); static inline void cm_deref_id(struct cm_id_private *cm_id_priv) { @@ -669,8 +669,7 @@ static struct cm_timewait_info * cm_create_timewait_info(__be32 local_id) return ERR_PTR(-ENOMEM); timewait_info->work.local_id = local_id; - INIT_WORK(&timewait_info->work.work, cm_work_handler, - &timewait_info->work); + INIT_DELAYED_WORK(&timewait_info->work.work, cm_work_handler); timewait_info->work.cm_event.event = IB_CM_TIMEWAIT_EXIT; return timewait_info; } @@ -2987,9 +2986,9 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent, } } -static void cm_work_handler(void *data) +static void cm_work_handler(struct work_struct *_work) { - struct cm_work *work = data; + struct cm_work *work = container_of(_work, struct cm_work, work.work); int ret; switch (work->cm_event.event) { @@ -3079,12 +3078,12 @@ int ib_cm_establish(struct ib_cm_id *cm_id) * we need to find the cm_id once we're in the context of the * worker thread, rather than holding a reference on it. */ - INIT_WORK(&work->work, cm_work_handler, work); + INIT_DELAYED_WORK(&work->work, cm_work_handler); work->local_id = cm_id->local_id; work->remote_id = cm_id->remote_id; work->mad_recv_wc = NULL; work->cm_event.event = IB_CM_USER_ESTABLISHED; - queue_work(cm.wq, &work->work); + queue_delayed_work(cm.wq, &work->work, 0); out: return ret; } @@ -3146,11 +3145,11 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, return; } - INIT_WORK(&work->work, cm_work_handler, work); + INIT_DELAYED_WORK(&work->work, cm_work_handler); work->cm_event.event = event; work->mad_recv_wc = mad_recv_wc; work->port = (struct cm_port *)mad_agent->context; - queue_work(cm.wq, &work->work); + queue_delayed_work(cm.wq, &work->work, 0); } static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 845090b0859..189f73f3f72 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1341,9 +1341,9 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, return (id_priv->query_id < 0) ? id_priv->query_id : 0; } -static void cma_work_handler(void *data) +static void cma_work_handler(struct work_struct *_work) { - struct cma_work *work = data; + struct cma_work *work = container_of(_work, struct cma_work, work); struct rdma_id_private *id_priv = work->id; int destroy = 0; @@ -1374,7 +1374,7 @@ static int cma_resolve_ib_route(struct rdma_id_private *id_priv, int timeout_ms) return -ENOMEM; work->id = id_priv; - INIT_WORK(&work->work, cma_work_handler, work); + INIT_WORK(&work->work, cma_work_handler); work->old_state = CMA_ROUTE_QUERY; work->new_state = CMA_ROUTE_RESOLVED; work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; @@ -1431,7 +1431,7 @@ static int cma_resolve_iw_route(struct rdma_id_private *id_priv, int timeout_ms) return -ENOMEM; work->id = id_priv; - INIT_WORK(&work->work, cma_work_handler, work); + INIT_WORK(&work->work, cma_work_handler); work->old_state = CMA_ROUTE_QUERY; work->new_state = CMA_ROUTE_RESOLVED; work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; @@ -1585,7 +1585,7 @@ static int cma_resolve_loopback(struct rdma_id_private *id_priv) } work->id = id_priv; - INIT_WORK(&work->work, cma_work_handler, work); + INIT_WORK(&work->work, cma_work_handler); work->old_state = CMA_ADDR_QUERY; work->new_state = CMA_ADDR_RESOLVED; work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED; diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index c3fb304a4e8..9bfa785252d 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -828,9 +828,10 @@ static int process_event(struct iwcm_id_private *cm_id_priv, * thread asleep on the destroy_comp list vs. an object destroyed * here synchronously when the last reference is removed. */ -static void cm_work_handler(void *arg) +static void cm_work_handler(struct work_struct *_work) { - struct iwcm_work *work = arg, lwork; + struct iwcm_work lwork, *work = + container_of(_work, struct iwcm_work, work); struct iwcm_id_private *cm_id_priv = work->cm_id; unsigned long flags; int empty; @@ -899,7 +900,7 @@ static int cm_event_handler(struct iw_cm_id *cm_id, goto out; } - INIT_WORK(&work->work, cm_work_handler, work); + INIT_WORK(&work->work, cm_work_handler); work->cm_id = cm_id_priv; work->event = *iw_event; diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index a72bcea46ff..5a54ac35e96 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -65,8 +65,8 @@ static struct ib_mad_agent_private *find_mad_agent( static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info, struct ib_mad_private *mad); static void cancel_mads(struct ib_mad_agent_private *mad_agent_priv); -static void timeout_sends(void *data); -static void local_completions(void *data); +static void timeout_sends(struct work_struct *work); +static void local_completions(struct work_struct *work); static int add_nonoui_reg_req(struct ib_mad_reg_req *mad_reg_req, struct ib_mad_agent_private *agent_priv, u8 mgmt_class); @@ -356,10 +356,9 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device, INIT_LIST_HEAD(&mad_agent_priv->wait_list); INIT_LIST_HEAD(&mad_agent_priv->done_list); INIT_LIST_HEAD(&mad_agent_priv->rmpp_list); - INIT_WORK(&mad_agent_priv->timed_work, timeout_sends, mad_agent_priv); + INIT_DELAYED_WORK(&mad_agent_priv->timed_work, timeout_sends); INIT_LIST_HEAD(&mad_agent_priv->local_list); - INIT_WORK(&mad_agent_priv->local_work, local_completions, - mad_agent_priv); + INIT_WORK(&mad_agent_priv->local_work, local_completions); atomic_set(&mad_agent_priv->refcount, 1); init_completion(&mad_agent_priv->comp); @@ -2198,12 +2197,12 @@ static void mad_error_handler(struct ib_mad_port_private *port_priv, /* * IB MAD completion callback */ -static void ib_mad_completion_handler(void *data) +static void ib_mad_completion_handler(struct work_struct *work) { struct ib_mad_port_private *port_priv; struct ib_wc wc; - port_priv = (struct ib_mad_port_private *)data; + port_priv = container_of(work, struct ib_mad_port_private, work); ib_req_notify_cq(port_priv->cq, IB_CQ_NEXT_COMP); while (ib_poll_cq(port_priv->cq, 1, &wc) == 1) { @@ -2324,7 +2323,7 @@ void ib_cancel_mad(struct ib_mad_agent *mad_agent, } EXPORT_SYMBOL(ib_cancel_mad); -static void local_completions(void *data) +static void local_completions(struct work_struct *work) { struct ib_mad_agent_private *mad_agent_priv; struct ib_mad_local_private *local; @@ -2334,7 +2333,8 @@ static void local_completions(void *data) struct ib_wc wc; struct ib_mad_send_wc mad_send_wc; - mad_agent_priv = (struct ib_mad_agent_private *)data; + mad_agent_priv = + container_of(work, struct ib_mad_agent_private, local_work); spin_lock_irqsave(&mad_agent_priv->lock, flags); while (!list_empty(&mad_agent_priv->local_list)) { @@ -2434,14 +2434,15 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr) return ret; } -static void timeout_sends(void *data) +static void timeout_sends(struct work_struct *work) { struct ib_mad_agent_private *mad_agent_priv; struct ib_mad_send_wr_private *mad_send_wr; struct ib_mad_send_wc mad_send_wc; unsigned long flags, delay; - mad_agent_priv = (struct ib_mad_agent_private *)data; + mad_agent_priv = container_of(work, struct ib_mad_agent_private, + timed_work.work); mad_send_wc.vendor_err = 0; spin_lock_irqsave(&mad_agent_priv->lock, flags); @@ -2799,7 +2800,7 @@ static int ib_mad_port_open(struct ib_device *device, ret = -ENOMEM; goto error8; } - INIT_WORK(&port_priv->work, ib_mad_completion_handler, port_priv); + INIT_WORK(&port_priv->work, ib_mad_completion_handler); spin_lock_irqsave(&ib_mad_port_list_lock, flags); list_add_tail(&port_priv->port_list, &ib_mad_port_list); diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index d06b59083f6..d5548e73e06 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -102,7 +102,7 @@ struct ib_mad_agent_private { struct list_head send_list; struct list_head wait_list; struct list_head done_list; - struct work_struct timed_work; + struct delayed_work timed_work; unsigned long timeout; struct list_head local_list; struct work_struct local_work; diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c index 1ef79d015a1..3663fd7022b 100644 --- a/drivers/infiniband/core/mad_rmpp.c +++ b/drivers/infiniband/core/mad_rmpp.c @@ -45,8 +45,8 @@ enum rmpp_state { struct mad_rmpp_recv { struct ib_mad_agent_private *agent; struct list_head list; - struct work_struct timeout_work; - struct work_struct cleanup_work; + struct delayed_work timeout_work; + struct delayed_work cleanup_work; struct completion comp; enum rmpp_state state; spinlock_t lock; @@ -233,9 +233,10 @@ static void nack_recv(struct ib_mad_agent_private *agent, } } -static void recv_timeout_handler(void *data) +static void recv_timeout_handler(struct work_struct *work) { - struct mad_rmpp_recv *rmpp_recv = data; + struct mad_rmpp_recv *rmpp_recv = + container_of(work, struct mad_rmpp_recv, timeout_work.work); struct ib_mad_recv_wc *rmpp_wc; unsigned long flags; @@ -254,9 +255,10 @@ static void recv_timeout_handler(void *data) ib_free_recv_mad(rmpp_wc); } -static void recv_cleanup_handler(void *data) +static void recv_cleanup_handler(struct work_struct *work) { - struct mad_rmpp_recv *rmpp_recv = data; + struct mad_rmpp_recv *rmpp_recv = + container_of(work, struct mad_rmpp_recv, cleanup_work.work); unsigned long flags; spin_lock_irqsave(&rmpp_recv->agent->lock, flags); @@ -285,8 +287,8 @@ create_rmpp_recv(struct ib_mad_agent_private *agent, rmpp_recv->agent = agent; init_completion(&rmpp_recv->comp); - INIT_WORK(&rmpp_recv->timeout_work, recv_timeout_handler, rmpp_recv); - INIT_WORK(&rmpp_recv->cleanup_work, recv_cleanup_handler, rmpp_recv); + INIT_DELAYED_WORK(&rmpp_recv->timeout_work, recv_timeout_handler); + INIT_DELAYED_WORK(&rmpp_recv->cleanup_work, recv_cleanup_handler); spin_lock_init(&rmpp_recv->lock); rmpp_recv->state = RMPP_STATE_ACTIVE; atomic_set(&rmpp_recv->refcount, 1); diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 1706d3c7e95..e45afba7534 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -360,9 +360,10 @@ static void free_sm_ah(struct kref *kref) kfree(sm_ah); } -static void update_sm_ah(void *port_ptr) +static void update_sm_ah(struct work_struct *work) { - struct ib_sa_port *port = port_ptr; + struct ib_sa_port *port = + container_of(work, struct ib_sa_port, update_task); struct ib_sa_sm_ah *new_ah, *old_ah; struct ib_port_attr port_attr; struct ib_ah_attr ah_attr; @@ -992,8 +993,7 @@ static void ib_sa_add_one(struct ib_device *device) if (IS_ERR(sa_dev->port[i].agent)) goto err; - INIT_WORK(&sa_dev->port[i].update_task, - update_sm_ah, &sa_dev->port[i]); + INIT_WORK(&sa_dev->port[i].update_task, update_sm_ah); } ib_set_client_data(device, &sa_client, sa_dev); @@ -1010,7 +1010,7 @@ static void ib_sa_add_one(struct ib_device *device) goto err; for (i = 0; i <= e - s; ++i) - update_sm_ah(&sa_dev->port[i]); + update_sm_ah(&sa_dev->port[i].update_task); return; diff --git a/drivers/infiniband/core/uverbs_mem.c b/drivers/infiniband/core/uverbs_mem.c index efe147dbeb4..db12cc0841d 100644 --- a/drivers/infiniband/core/uverbs_mem.c +++ b/drivers/infiniband/core/uverbs_mem.c @@ -179,9 +179,10 @@ void ib_umem_release(struct ib_device *dev, struct ib_umem *umem) up_write(¤t->mm->mmap_sem); } -static void ib_umem_account(void *work_ptr) +static void ib_umem_account(struct work_struct *_work) { - struct ib_umem_account_work *work = work_ptr; + struct ib_umem_account_work *work = + container_of(_work, struct ib_umem_account_work, work); down_write(&work->mm->mmap_sem); work->mm->locked_vm -= work->diff; @@ -216,7 +217,7 @@ void ib_umem_release_on_close(struct ib_device *dev, struct ib_umem *umem) return; } - INIT_WORK(&work->work, ib_umem_account, work); + INIT_WORK(&work->work, ib_umem_account); work->mm = mm; work->diff = PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT; diff --git a/drivers/infiniband/hw/ipath/ipath_user_pages.c b/drivers/infiniband/hw/ipath/ipath_user_pages.c index 413754b1d8a..8536aeb96af 100644 --- a/drivers/infiniband/hw/ipath/ipath_user_pages.c +++ b/drivers/infiniband/hw/ipath/ipath_user_pages.c @@ -214,9 +214,10 @@ struct ipath_user_pages_work { unsigned long num_pages; }; -static void user_pages_account(void *ptr) +static void user_pages_account(struct work_struct *_work) { - struct ipath_user_pages_work *work = ptr; + struct ipath_user_pages_work *work = + container_of(_work, struct ipath_user_pages_work, work); down_write(&work->mm->mmap_sem); work->mm->locked_vm -= work->num_pages; @@ -242,7 +243,7 @@ void ipath_release_user_pages_on_close(struct page **p, size_t num_pages) goto bail; - INIT_WORK(&work->work, user_pages_account, work); + INIT_WORK(&work->work, user_pages_account); work->mm = mm; work->num_pages = num_pages; diff --git a/drivers/infiniband/hw/mthca/mthca_catas.c b/drivers/infiniband/hw/mthca/mthca_catas.c index cd044ea2dfa..e948158a28d 100644 --- a/drivers/infiniband/hw/mthca/mthca_catas.c +++ b/drivers/infiniband/hw/mthca/mthca_catas.c @@ -57,7 +57,7 @@ static int catas_reset_disable; module_param_named(catas_reset_disable, catas_reset_disable, int, 0644); MODULE_PARM_DESC(catas_reset_disable, "disable reset on catastrophic event if nonzero"); -static void catas_reset(void *work_ptr) +static void catas_reset(struct work_struct *work) { struct mthca_dev *dev, *tmpdev; LIST_HEAD(tlist); @@ -203,7 +203,7 @@ void mthca_stop_catas_poll(struct mthca_dev *dev) int __init mthca_catas_init(void) { - INIT_WORK(&catas_work, catas_reset, NULL); + INIT_WORK(&catas_work, catas_reset); catas_wq = create_singlethread_workqueue("mthca_catas"); if (!catas_wq) diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 0b8a79d53a0..3b2ee0eba05 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -136,11 +136,11 @@ struct ipoib_dev_priv { struct list_head multicast_list; struct rb_root multicast_tree; - struct work_struct pkey_task; - struct work_struct mcast_task; + struct delayed_work pkey_task; + struct delayed_work mcast_task; struct work_struct flush_task; struct work_struct restart_task; - struct work_struct ah_reap_task; + struct delayed_work ah_reap_task; struct ib_device *ca; u8 port; @@ -254,13 +254,13 @@ int ipoib_add_pkey_attr(struct net_device *dev); void ipoib_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_ah *address, u32 qpn); -void ipoib_reap_ah(void *dev_ptr); +void ipoib_reap_ah(struct work_struct *work); void ipoib_flush_paths(struct net_device *dev); struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port); -void ipoib_ib_dev_flush(void *dev); +void ipoib_ib_dev_flush(struct work_struct *work); void ipoib_ib_dev_cleanup(struct net_device *dev); int ipoib_ib_dev_open(struct net_device *dev); @@ -271,10 +271,10 @@ int ipoib_ib_dev_stop(struct net_device *dev); int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); void ipoib_dev_cleanup(struct net_device *dev); -void ipoib_mcast_join_task(void *dev_ptr); +void ipoib_mcast_join_task(struct work_struct *work); void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); -void ipoib_mcast_restart_task(void *dev_ptr); +void ipoib_mcast_restart_task(struct work_struct *work); int ipoib_mcast_start_thread(struct net_device *dev); int ipoib_mcast_stop_thread(struct net_device *dev, int flush); @@ -312,7 +312,7 @@ void ipoib_event(struct ib_event_handler *handler, int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey); int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); -void ipoib_pkey_poll(void *dev); +void ipoib_pkey_poll(struct work_struct *work); int ipoib_pkey_dev_delay_open(struct net_device *dev); #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 8bf5e9ec7c9..f10fba5d326 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -400,10 +400,11 @@ static void __ipoib_reap_ah(struct net_device *dev) spin_unlock_irq(&priv->tx_lock); } -void ipoib_reap_ah(void *dev_ptr) +void ipoib_reap_ah(struct work_struct *work) { - struct net_device *dev = dev_ptr; - struct ipoib_dev_priv *priv = netdev_priv(dev); + struct ipoib_dev_priv *priv = + container_of(work, struct ipoib_dev_priv, ah_reap_task.work); + struct net_device *dev = priv->dev; __ipoib_reap_ah(dev); @@ -613,10 +614,11 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port) return 0; } -void ipoib_ib_dev_flush(void *_dev) +void ipoib_ib_dev_flush(struct work_struct *work) { - struct net_device *dev = (struct net_device *)_dev; - struct ipoib_dev_priv *priv = netdev_priv(dev), *cpriv; + struct ipoib_dev_priv *cpriv, *priv = + container_of(work, struct ipoib_dev_priv, flush_task); + struct net_device *dev = priv->dev; if (!test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags) ) { ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_INITIALIZED not set.\n"); @@ -638,14 +640,14 @@ void ipoib_ib_dev_flush(void *_dev) */ if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) { ipoib_ib_dev_up(dev); - ipoib_mcast_restart_task(dev); + ipoib_mcast_restart_task(&priv->restart_task); } mutex_lock(&priv->vlan_mutex); /* Flush any child interfaces too */ list_for_each_entry(cpriv, &priv->child_intfs, list) - ipoib_ib_dev_flush(cpriv->dev); + ipoib_ib_dev_flush(&cpriv->flush_task); mutex_unlock(&priv->vlan_mutex); } @@ -672,10 +674,11 @@ void ipoib_ib_dev_cleanup(struct net_device *dev) * change async notification is available. */ -void ipoib_pkey_poll(void *dev_ptr) +void ipoib_pkey_poll(struct work_struct *work) { - struct net_device *dev = dev_ptr; - struct ipoib_dev_priv *priv = netdev_priv(dev); + struct ipoib_dev_priv *priv = + container_of(work, struct ipoib_dev_priv, pkey_task.work); + struct net_device *dev = priv->dev; ipoib_pkey_dev_check_presence(dev); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 85522daeb94..71114a8c12b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -933,11 +933,11 @@ static void ipoib_setup(struct net_device *dev) INIT_LIST_HEAD(&priv->dead_ahs); INIT_LIST_HEAD(&priv->multicast_list); - INIT_WORK(&priv->pkey_task, ipoib_pkey_poll, priv->dev); - INIT_WORK(&priv->mcast_task, ipoib_mcast_join_task, priv->dev); - INIT_WORK(&priv->flush_task, ipoib_ib_dev_flush, priv->dev); - INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task, priv->dev); - INIT_WORK(&priv->ah_reap_task, ipoib_reap_ah, priv->dev); + INIT_DELAYED_WORK(&priv->pkey_task, ipoib_pkey_poll); + INIT_DELAYED_WORK(&priv->mcast_task, ipoib_mcast_join_task); + INIT_WORK(&priv->flush_task, ipoib_ib_dev_flush); + INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task); + INIT_DELAYED_WORK(&priv->ah_reap_task, ipoib_reap_ah); } struct ipoib_dev_priv *ipoib_intf_alloc(const char *name) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 3faa1820f0e..f0a4fac1a21 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -399,7 +399,8 @@ static void ipoib_mcast_join_complete(int status, mcast->backoff = 1; mutex_lock(&mcast_mutex); if (test_bit(IPOIB_MCAST_RUN, &priv->flags)) - queue_work(ipoib_workqueue, &priv->mcast_task); + queue_delayed_work(ipoib_workqueue, + &priv->mcast_task, 0); mutex_unlock(&mcast_mutex); complete(&mcast->done); return; @@ -435,7 +436,8 @@ static void ipoib_mcast_join_complete(int status, if (test_bit(IPOIB_MCAST_RUN, &priv->flags)) { if (status == -ETIMEDOUT) - queue_work(ipoib_workqueue, &priv->mcast_task); + queue_delayed_work(ipoib_workqueue, &priv->mcast_task, + 0); else queue_delayed_work(ipoib_workqueue, &priv->mcast_task, mcast->backoff * HZ); @@ -517,10 +519,11 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast, mcast->query_id = ret; } -void ipoib_mcast_join_task(void *dev_ptr) +void ipoib_mcast_join_task(struct work_struct *work) { - struct net_device *dev = dev_ptr; - struct ipoib_dev_priv *priv = netdev_priv(dev); + struct ipoib_dev_priv *priv = + container_of(work, struct ipoib_dev_priv, mcast_task.work); + struct net_device *dev = priv->dev; if (!test_bit(IPOIB_MCAST_RUN, &priv->flags)) return; @@ -610,7 +613,7 @@ int ipoib_mcast_start_thread(struct net_device *dev) mutex_lock(&mcast_mutex); if (!test_and_set_bit(IPOIB_MCAST_RUN, &priv->flags)) - queue_work(ipoib_workqueue, &priv->mcast_task); + queue_delayed_work(ipoib_workqueue, &priv->mcast_task, 0); mutex_unlock(&mcast_mutex); spin_lock_irq(&priv->lock); @@ -818,10 +821,11 @@ void ipoib_mcast_dev_flush(struct net_device *dev) } } -void ipoib_mcast_restart_task(void *dev_ptr) +void ipoib_mcast_restart_task(struct work_struct *work) { - struct net_device *dev = dev_ptr; - struct ipoib_dev_priv *priv = netdev_priv(dev); + struct ipoib_dev_priv *priv = + container_of(work, struct ipoib_dev_priv, restart_task); + struct net_device *dev = priv->dev; struct dev_mc_list *mclist; struct ipoib_mcast *mcast, *tmcast; LIST_HEAD(remove_list); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 18a00003499..693b7700289 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -48,7 +48,7 @@ static void iser_cq_tasklet_fn(unsigned long data); static void iser_cq_callback(struct ib_cq *cq, void *cq_context); -static void iser_comp_error_worker(void *data); +static void iser_comp_error_worker(struct work_struct *work); static void iser_cq_event_callback(struct ib_event *cause, void *context) { @@ -480,8 +480,7 @@ int iser_conn_init(struct iser_conn **ibconn) init_waitqueue_head(&ib_conn->wait); atomic_set(&ib_conn->post_recv_buf_count, 0); atomic_set(&ib_conn->post_send_buf_count, 0); - INIT_WORK(&ib_conn->comperror_work, iser_comp_error_worker, - ib_conn); + INIT_WORK(&ib_conn->comperror_work, iser_comp_error_worker); INIT_LIST_HEAD(&ib_conn->conn_list); spin_lock_init(&ib_conn->lock); @@ -754,9 +753,10 @@ int iser_post_send(struct iser_desc *tx_desc) return ret_val; } -static void iser_comp_error_worker(void *data) +static void iser_comp_error_worker(struct work_struct *work) { - struct iser_conn *ib_conn = data; + struct iser_conn *ib_conn = + container_of(work, struct iser_conn, comperror_work); /* getting here when the state is UP means that the conn is being * * terminated asynchronously from the iSCSI layer's perspective. */ diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 4b09147f438..214f66195af 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -390,9 +390,10 @@ static void srp_disconnect_target(struct srp_target_port *target) wait_for_completion(&target->done); } -static void srp_remove_work(void *target_ptr) +static void srp_remove_work(struct work_struct *work) { - struct srp_target_port *target = target_ptr; + struct srp_target_port *target = + container_of(work, struct srp_target_port, work); spin_lock_irq(target->scsi_host->host_lock); if (target->state != SRP_TARGET_DEAD) { @@ -575,7 +576,7 @@ err: spin_lock_irq(target->scsi_host->host_lock); if (target->state == SRP_TARGET_CONNECTING) { target->state = SRP_TARGET_DEAD; - INIT_WORK(&target->work, srp_remove_work, target); + INIT_WORK(&target->work, srp_remove_work); schedule_work(&target->work); } spin_unlock_irq(target->scsi_host->host_lock); diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c index 979b93e33da..b7f049b45b6 100644 --- a/drivers/input/keyboard/lkkbd.c +++ b/drivers/input/keyboard/lkkbd.c @@ -572,9 +572,9 @@ lkkbd_event (struct input_dev *dev, unsigned int type, unsigned int code, * were in. */ static void -lkkbd_reinit (void *data) +lkkbd_reinit (struct work_struct *work) { - struct lkkbd *lk = data; + struct lkkbd *lk = container_of(work, struct lkkbd, tq); int division; unsigned char leds_on = 0; unsigned char leds_off = 0; @@ -651,7 +651,7 @@ lkkbd_connect (struct serio *serio, struct serio_driver *drv) lk->serio = serio; lk->dev = input_dev; - INIT_WORK (&lk->tq, lkkbd_reinit, lk); + INIT_WORK (&lk->tq, lkkbd_reinit); lk->bell_volume = bell_volume; lk->keyclick_volume = keyclick_volume; lk->ctrlclick_volume = ctrlclick_volume; diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index cac4781103c..6cd887c5eb0 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -208,9 +208,9 @@ static int sunkbd_initialize(struct sunkbd *sunkbd) * were in. */ -static void sunkbd_reinit(void *data) +static void sunkbd_reinit(struct work_struct *work) { - struct sunkbd *sunkbd = data; + struct sunkbd *sunkbd = container_of(work, struct sunkbd, tq); wait_event_interruptible_timeout(sunkbd->wait, sunkbd->reset >= 0, HZ); @@ -248,7 +248,7 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv) sunkbd->serio = serio; sunkbd->dev = input_dev; init_waitqueue_head(&sunkbd->wait); - INIT_WORK(&sunkbd->tq, sunkbd_reinit, sunkbd); + INIT_WORK(&sunkbd->tq, sunkbd_reinit); snprintf(sunkbd->phys, sizeof(sunkbd->phys), "%s/input0", serio->phys); serio_set_drvdata(serio, sunkbd); diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 6f9b2c7cc9c..52bb2226ce2 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -888,9 +888,10 @@ static int psmouse_poll(struct psmouse *psmouse) * psmouse_resync() attempts to re-validate current protocol. */ -static void psmouse_resync(void *p) +static void psmouse_resync(struct work_struct *work) { - struct psmouse *psmouse = p, *parent = NULL; + struct psmouse *parent = NULL, *psmouse = + container_of(work, struct psmouse, resync_work); struct serio *serio = psmouse->ps2dev.serio; psmouse_ret_t rc = PSMOUSE_GOOD_DATA; int failed = 0, enabled = 0; @@ -1121,7 +1122,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) goto out; ps2_init(&psmouse->ps2dev, serio); - INIT_WORK(&psmouse->resync_work, psmouse_resync, psmouse); + INIT_WORK(&psmouse->resync_work, psmouse_resync); psmouse->dev = input_dev; snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys); diff --git a/drivers/isdn/act2000/capi.c b/drivers/isdn/act2000/capi.c index 6ae6eb32211..946c38cf6f8 100644 --- a/drivers/isdn/act2000/capi.c +++ b/drivers/isdn/act2000/capi.c @@ -627,8 +627,10 @@ handle_ack(act2000_card *card, act2000_chan *chan, __u8 blocknr) { } void -actcapi_dispatch(act2000_card *card) +actcapi_dispatch(struct work_struct *work) { + struct act2000_card *card = + container_of(work, struct act2000_card, rcv_tq); struct sk_buff *skb; actcapi_msg *msg; __u16 ccmd; diff --git a/drivers/isdn/act2000/capi.h b/drivers/isdn/act2000/capi.h index 49f453c53c6..e55f6a931f6 100644 --- a/drivers/isdn/act2000/capi.h +++ b/drivers/isdn/act2000/capi.h @@ -356,7 +356,7 @@ extern int actcapi_connect_req(act2000_card *, act2000_chan *, char *, char, int extern void actcapi_select_b2_protocol_req(act2000_card *, act2000_chan *); extern void actcapi_disconnect_b3_req(act2000_card *, act2000_chan *); extern void actcapi_connect_resp(act2000_card *, act2000_chan *, __u8); -extern void actcapi_dispatch(act2000_card *); +extern void actcapi_dispatch(struct work_struct *); #ifdef DEBUG_MSG extern void actcapi_debug_msg(struct sk_buff *skb, int); #else diff --git a/drivers/isdn/act2000/module.c b/drivers/isdn/act2000/module.c index d89dcde4ead..90593e2ef87 100644 --- a/drivers/isdn/act2000/module.c +++ b/drivers/isdn/act2000/module.c @@ -192,8 +192,11 @@ act2000_set_msn(act2000_card *card, char *eazmsn) } static void -act2000_transmit(struct act2000_card *card) +act2000_transmit(struct work_struct *work) { + struct act2000_card *card = + container_of(work, struct act2000_card, snd_tq); + switch (card->bus) { case ACT2000_BUS_ISA: act2000_isa_send(card); @@ -207,8 +210,11 @@ act2000_transmit(struct act2000_card *card) } static void -act2000_receive(struct act2000_card *card) +act2000_receive(struct work_struct *work) { + struct act2000_card *card = + container_of(work, struct act2000_card, poll_tq); + switch (card->bus) { case ACT2000_BUS_ISA: act2000_isa_receive(card); @@ -227,7 +233,7 @@ act2000_poll(unsigned long data) act2000_card * card = (act2000_card *)data; unsigned long flags; - act2000_receive(card); + act2000_receive(&card->poll_tq); spin_lock_irqsave(&card->lock, flags); mod_timer(&card->ptimer, jiffies+3); spin_unlock_irqrestore(&card->lock, flags); @@ -578,9 +584,9 @@ act2000_alloccard(int bus, int port, int irq, char *id) skb_queue_head_init(&card->sndq); skb_queue_head_init(&card->rcvq); skb_queue_head_init(&card->ackq); - INIT_WORK(&card->snd_tq, (void *) (void *) act2000_transmit, card); - INIT_WORK(&card->rcv_tq, (void *) (void *) actcapi_dispatch, card); - INIT_WORK(&card->poll_tq, (void *) (void *) act2000_receive, card); + INIT_WORK(&card->snd_tq, act2000_transmit); + INIT_WORK(&card->rcv_tq, actcapi_dispatch); + INIT_WORK(&card->poll_tq, act2000_receive); init_timer(&card->ptimer); card->interface.owner = THIS_MODULE; card->interface.channels = ACT2000_BCH; diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 8c4fcb9027b..783a2552631 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -208,9 +208,10 @@ static void notify_down(u32 contr) } } -static void notify_handler(void *data) +static void notify_handler(struct work_struct *work) { - struct capi_notifier *np = data; + struct capi_notifier *np = + container_of(work, struct capi_notifier, work); switch (np->cmd) { case KCI_CONTRUP: @@ -235,7 +236,7 @@ static int notify_push(unsigned int cmd, u32 controller, u16 applid, u32 ncci) if (!np) return -ENOMEM; - INIT_WORK(&np->work, notify_handler, np); + INIT_WORK(&np->work, notify_handler); np->cmd = cmd; np->controller = controller; np->applid = applid; @@ -248,10 +249,11 @@ static int notify_push(unsigned int cmd, u32 controller, u16 applid, u32 ncci) /* -------- Receiver ------------------------------------------ */ -static void recv_handler(void *_ap) +static void recv_handler(struct work_struct *work) { struct sk_buff *skb; - struct capi20_appl *ap = (struct capi20_appl *) _ap; + struct capi20_appl *ap = + container_of(work, struct capi20_appl, recv_work); if ((!ap) || (ap->release_in_progress)) return; @@ -527,7 +529,7 @@ u16 capi20_register(struct capi20_appl *ap) ap->callback = NULL; init_MUTEX(&ap->recv_sem); skb_queue_head_init(&ap->recv_queue); - INIT_WORK(&ap->recv_work, recv_handler, (void *)ap); + INIT_WORK(&ap->recv_work, recv_handler); ap->release_in_progress = 0; write_unlock_irqrestore(&application_lock, flags); diff --git a/drivers/isdn/hisax/amd7930_fn.c b/drivers/isdn/hisax/amd7930_fn.c index bec59010bc6..3b19caeba25 100644 --- a/drivers/isdn/hisax/amd7930_fn.c +++ b/drivers/isdn/hisax/amd7930_fn.c @@ -232,9 +232,10 @@ Amd7930_new_ph(struct IsdnCardState *cs) static void -Amd7930_bh(struct IsdnCardState *cs) +Amd7930_bh(struct work_struct *work) { - + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); struct PStack *stptr; if (!cs) @@ -789,7 +790,7 @@ Amd7930_init(struct IsdnCardState *cs) void __devinit setup_Amd7930(struct IsdnCardState *cs) { - INIT_WORK(&cs->tqueue, (void *)(void *) Amd7930_bh, cs); + INIT_WORK(&cs->tqueue, Amd7930_bh); cs->dbusytimer.function = (void *) dbusy_timer_handler; cs->dbusytimer.data = (long) cs; init_timer(&cs->dbusytimer); diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c index 785b08554fc..cede72cdbb3 100644 --- a/drivers/isdn/hisax/config.c +++ b/drivers/isdn/hisax/config.c @@ -1137,7 +1137,6 @@ static int checkcard(int cardnr, char *id, int *busy_flag, struct module *lockow cs->tx_skb = NULL; cs->tx_cnt = 0; cs->event = 0; - cs->tqueue.data = cs; skb_queue_head_init(&cs->rq); skb_queue_head_init(&cs->sq); @@ -1554,7 +1553,7 @@ static void hisax_b_l2l1(struct PStack *st, int pr, void *arg); static int hisax_cardmsg(struct IsdnCardState *cs, int mt, void *arg); static int hisax_bc_setstack(struct PStack *st, struct BCState *bcs); static void hisax_bc_close(struct BCState *bcs); -static void hisax_bh(struct IsdnCardState *cs); +static void hisax_bh(struct work_struct *work); static void EChannel_proc_rcv(struct hisax_d_if *d_if); int hisax_register(struct hisax_d_if *hisax_d_if, struct hisax_b_if *b_if[], @@ -1586,7 +1585,7 @@ int hisax_register(struct hisax_d_if *hisax_d_if, struct hisax_b_if *b_if[], hisax_d_if->cs = cs; cs->hw.hisax_d_if = hisax_d_if; cs->cardmsg = hisax_cardmsg; - INIT_WORK(&cs->tqueue, (void *)(void *)hisax_bh, cs); + INIT_WORK(&cs->tqueue, hisax_bh); cs->channel[0].d_st->l2.l2l1 = hisax_d_l2l1; for (i = 0; i < 2; i++) { cs->bcs[i].BC_SetStack = hisax_bc_setstack; @@ -1618,8 +1617,10 @@ static void hisax_sched_event(struct IsdnCardState *cs, int event) schedule_work(&cs->tqueue); } -static void hisax_bh(struct IsdnCardState *cs) +static void hisax_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); struct PStack *st; int pr; diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c index d852c9d998b..de9b1a4d6ba 100644 --- a/drivers/isdn/hisax/hfc4s8s_l1.c +++ b/drivers/isdn/hisax/hfc4s8s_l1.c @@ -1083,8 +1083,9 @@ tx_b_frame(struct hfc4s8s_btype *bch) /* bottom half handler for interrupt */ /*************************************/ static void -hfc4s8s_bh(hfc4s8s_hw * hw) +hfc4s8s_bh(struct work_struct *work) { + hfc4s8s_hw *hw = container_of(work, hfc4s8s_hw, tqueue); u_char b; struct hfc4s8s_l1 *l1p; volatile u_char *fifo_stat; @@ -1550,7 +1551,7 @@ setup_instance(hfc4s8s_hw * hw) goto out; } - INIT_WORK(&hw->tqueue, (void *) (void *) hfc4s8s_bh, hw); + INIT_WORK(&hw->tqueue, hfc4s8s_bh); if (request_irq (hw->irq, hfc4s8s_interrupt, IRQF_SHARED, hw->card_name, hw)) { diff --git a/drivers/isdn/hisax/hfc_2bds0.c b/drivers/isdn/hisax/hfc_2bds0.c index 6360e821472..8d9864453a2 100644 --- a/drivers/isdn/hisax/hfc_2bds0.c +++ b/drivers/isdn/hisax/hfc_2bds0.c @@ -549,10 +549,11 @@ setstack_2b(struct PStack *st, struct BCState *bcs) } static void -hfcd_bh(struct IsdnCardState *cs) +hfcd_bh(struct work_struct *work) { - if (!cs) - return; + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); + if (test_and_clear_bit(D_L1STATECHANGE, &cs->event)) { switch (cs->dc.hfcd.ph_state) { case (0): @@ -1072,5 +1073,5 @@ set_cs_func(struct IsdnCardState *cs) cs->dbusytimer.function = (void *) hfc_dbusy_timer; cs->dbusytimer.data = (long) cs; init_timer(&cs->dbusytimer); - INIT_WORK(&cs->tqueue, (void *)(void *) hfcd_bh, cs); + INIT_WORK(&cs->tqueue, hfcd_bh); } diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c index 93f60b56351..5db0a85b827 100644 --- a/drivers/isdn/hisax/hfc_pci.c +++ b/drivers/isdn/hisax/hfc_pci.c @@ -1506,8 +1506,10 @@ setstack_2b(struct PStack *st, struct BCState *bcs) /* handle L1 state changes */ /***************************/ static void -hfcpci_bh(struct IsdnCardState *cs) +hfcpci_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); u_long flags; // struct PStack *stptr; @@ -1722,7 +1724,7 @@ setup_hfcpci(struct IsdnCard *card) Write_hfc(cs, HFCPCI_INT_M2, cs->hw.hfcpci.int_m2); /* At this point the needed PCI config is done */ /* fifos are still not enabled */ - INIT_WORK(&cs->tqueue, (void *)(void *) hfcpci_bh, cs); + INIT_WORK(&cs->tqueue, hfcpci_bh); cs->setstack_d = setstack_hfcpci; cs->BC_Send_Data = &hfcpci_send_data; cs->readisac = NULL; diff --git a/drivers/isdn/hisax/hfc_sx.c b/drivers/isdn/hisax/hfc_sx.c index 954d1536db1..4fd09d21a27 100644 --- a/drivers/isdn/hisax/hfc_sx.c +++ b/drivers/isdn/hisax/hfc_sx.c @@ -1251,8 +1251,10 @@ setstack_2b(struct PStack *st, struct BCState *bcs) /* handle L1 state changes */ /***************************/ static void -hfcsx_bh(struct IsdnCardState *cs) +hfcsx_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); u_long flags; if (!cs) @@ -1499,7 +1501,7 @@ setup_hfcsx(struct IsdnCard *card) cs->dbusytimer.function = (void *) hfcsx_dbusy_timer; cs->dbusytimer.data = (long) cs; init_timer(&cs->dbusytimer); - INIT_WORK(&cs->tqueue, (void *)(void *) hfcsx_bh, cs); + INIT_WORK(&cs->tqueue, hfcsx_bh); cs->readisac = NULL; cs->writeisac = NULL; cs->readisacfifo = NULL; diff --git a/drivers/isdn/hisax/icc.c b/drivers/isdn/hisax/icc.c index da706925d54..682cac32f25 100644 --- a/drivers/isdn/hisax/icc.c +++ b/drivers/isdn/hisax/icc.c @@ -77,8 +77,10 @@ icc_new_ph(struct IsdnCardState *cs) } static void -icc_bh(struct IsdnCardState *cs) +icc_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); struct PStack *stptr; if (!cs) @@ -674,7 +676,7 @@ clear_pending_icc_ints(struct IsdnCardState *cs) void __devinit setup_icc(struct IsdnCardState *cs) { - INIT_WORK(&cs->tqueue, (void *)(void *) icc_bh, cs); + INIT_WORK(&cs->tqueue, icc_bh); cs->dbusytimer.function = (void *) dbusy_timer_handler; cs->dbusytimer.data = (long) cs; init_timer(&cs->dbusytimer); diff --git a/drivers/isdn/hisax/isac.c b/drivers/isdn/hisax/isac.c index 282f349408b..4e9f23803da 100644 --- a/drivers/isdn/hisax/isac.c +++ b/drivers/isdn/hisax/isac.c @@ -81,8 +81,10 @@ isac_new_ph(struct IsdnCardState *cs) } static void -isac_bh(struct IsdnCardState *cs) +isac_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); struct PStack *stptr; if (!cs) @@ -674,7 +676,7 @@ clear_pending_isac_ints(struct IsdnCardState *cs) void __devinit setup_isac(struct IsdnCardState *cs) { - INIT_WORK(&cs->tqueue, (void *)(void *) isac_bh, cs); + INIT_WORK(&cs->tqueue, isac_bh); cs->dbusytimer.function = (void *) dbusy_timer_handler; cs->dbusytimer.data = (long) cs; init_timer(&cs->dbusytimer); diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c index 674af673ff9..6f1a6583b17 100644 --- a/drivers/isdn/hisax/isar.c +++ b/drivers/isdn/hisax/isar.c @@ -437,8 +437,10 @@ extern void BChannel_bh(struct BCState *); #define B_LL_OK 10 static void -isar_bh(struct BCState *bcs) +isar_bh(struct work_struct *work) { + struct BCState *bcs = container_of(work, struct BCState, tqueue); + BChannel_bh(bcs); if (test_and_clear_bit(B_LL_NOCARRIER, &bcs->event)) ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_NOCARR); @@ -1580,7 +1582,7 @@ isar_setup(struct IsdnCardState *cs) cs->bcs[i].mode = 0; cs->bcs[i].hw.isar.dpath = i + 1; modeisar(&cs->bcs[i], 0, 0); - INIT_WORK(&cs->bcs[i].tqueue, (void *)(void *) isar_bh, &cs->bcs[i]); + INIT_WORK(&cs->bcs[i].tqueue, isar_bh); } } diff --git a/drivers/isdn/hisax/isdnl1.c b/drivers/isdn/hisax/isdnl1.c index bab35688648..a14204ec88e 100644 --- a/drivers/isdn/hisax/isdnl1.c +++ b/drivers/isdn/hisax/isdnl1.c @@ -315,8 +315,10 @@ BChannel_proc_ack(struct BCState *bcs) } void -BChannel_bh(struct BCState *bcs) +BChannel_bh(struct work_struct *work) { + struct BCState *bcs = container_of(work, struct BCState, tqueue); + if (!bcs) return; if (test_and_clear_bit(B_RCVBUFREADY, &bcs->event)) @@ -362,7 +364,7 @@ init_bcstate(struct IsdnCardState *cs, int bc) bcs->cs = cs; bcs->channel = bc; - INIT_WORK(&bcs->tqueue, (void *)(void *) BChannel_bh, bcs); + INIT_WORK(&bcs->tqueue, BChannel_bh); spin_lock_init(&bcs->aclock); bcs->BC_SetStack = NULL; bcs->BC_Close = NULL; diff --git a/drivers/isdn/hisax/w6692.c b/drivers/isdn/hisax/w6692.c index 1655341797a..3aeceaf9769 100644 --- a/drivers/isdn/hisax/w6692.c +++ b/drivers/isdn/hisax/w6692.c @@ -101,8 +101,10 @@ W6692_new_ph(struct IsdnCardState *cs) } static void -W6692_bh(struct IsdnCardState *cs) +W6692_bh(struct work_struct *work) { + struct IsdnCardState *cs = + container_of(work, struct IsdnCardState, tqueue); struct PStack *stptr; if (!cs) @@ -1070,7 +1072,7 @@ setup_w6692(struct IsdnCard *card) id_list[cs->subtyp].card_name, cs->irq, cs->hw.w6692.iobase); - INIT_WORK(&cs->tqueue, (void *)(void *) W6692_bh, cs); + INIT_WORK(&cs->tqueue, W6692_bh); cs->readW6692 = &ReadW6692; cs->writeW6692 = &WriteW6692; cs->readisacfifo = &ReadISACfifo; diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 1f8d6ae66b4..2e4daebfb7e 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -984,9 +984,9 @@ void isdn_net_write_super(isdn_net_local *lp, struct sk_buff *skb) /* * called from tq_immediate */ -static void isdn_net_softint(void *private) +static void isdn_net_softint(struct work_struct *work) { - isdn_net_local *lp = private; + isdn_net_local *lp = container_of(work, isdn_net_local, tqueue); struct sk_buff *skb; spin_lock_bh(&lp->xmit_lock); @@ -2596,7 +2596,7 @@ isdn_net_new(char *name, struct net_device *master) netdev->local->netdev = netdev; netdev->local->next = netdev->local; - INIT_WORK(&netdev->local->tqueue, (void *)(void *) isdn_net_softint, netdev->local); + INIT_WORK(&netdev->local->tqueue, isdn_net_softint); spin_lock_init(&netdev->local->xmit_lock); netdev->local->isdn_device = -1; diff --git a/drivers/isdn/pcbit/drv.c b/drivers/isdn/pcbit/drv.c index 6ead5e1508b..1966f3410a1 100644 --- a/drivers/isdn/pcbit/drv.c +++ b/drivers/isdn/pcbit/drv.c @@ -68,8 +68,6 @@ static void pcbit_set_msn(struct pcbit_dev *dev, char *list); static int pcbit_check_msn(struct pcbit_dev *dev, char *msn); -extern void pcbit_deliver(void * data); - int pcbit_init_dev(int board, int mem_base, int irq) { struct pcbit_dev *dev; @@ -129,7 +127,7 @@ int pcbit_init_dev(int board, int mem_base, int irq) memset(dev->b2, 0, sizeof(struct pcbit_chan)); dev->b2->id = 1; - INIT_WORK(&dev->qdelivery, pcbit_deliver, dev); + INIT_WORK(&dev->qdelivery, pcbit_deliver); /* * interrupts diff --git a/drivers/isdn/pcbit/layer2.c b/drivers/isdn/pcbit/layer2.c index 937fd212038..0c9f6df873f 100644 --- a/drivers/isdn/pcbit/layer2.c +++ b/drivers/isdn/pcbit/layer2.c @@ -67,7 +67,6 @@ extern void pcbit_l3_receive(struct pcbit_dev *dev, ulong msg, * Prototypes */ -void pcbit_deliver(void *data); static void pcbit_transmit(struct pcbit_dev *dev); static void pcbit_recv_ack(struct pcbit_dev *dev, unsigned char ack); @@ -299,11 +298,12 @@ pcbit_transmit(struct pcbit_dev *dev) */ void -pcbit_deliver(void *data) +pcbit_deliver(struct work_struct *work) { struct frame_buf *frame; unsigned long flags, msg; - struct pcbit_dev *dev = (struct pcbit_dev *) data; + struct pcbit_dev *dev = + container_of(work, struct pcbit_dev, qdelivery); spin_lock_irqsave(&dev->lock, flags); diff --git a/drivers/isdn/pcbit/pcbit.h b/drivers/isdn/pcbit/pcbit.h index 388bacefd23..19c18e88ff1 100644 --- a/drivers/isdn/pcbit/pcbit.h +++ b/drivers/isdn/pcbit/pcbit.h @@ -166,4 +166,6 @@ struct pcbit_ioctl { #define L2_RUNNING 5 #define L2_ERROR 6 +extern void pcbit_deliver(struct work_struct *work); + #endif diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index ade25b3fbb3..4871158aca3 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -600,7 +600,7 @@ core_initcall(smu_late_init); * sysfs visibility */ -static void smu_expose_childs(void *unused) +static void smu_expose_childs(struct work_struct *unused) { struct device_node *np; @@ -610,7 +610,7 @@ static void smu_expose_childs(void *unused) &smu->of_dev->dev); } -static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs, NULL); +static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs); static int smu_platform_probe(struct of_device* dev, const struct of_device_id *match) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 08a40f4e4f6..ed2d4ef27fd 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -458,11 +458,11 @@ static void dec_pending(struct crypt_io *io, int error) * interrupt context. */ static struct workqueue_struct *_kcryptd_workqueue; -static void kcryptd_do_work(void *data); +static void kcryptd_do_work(struct work_struct *work); static void kcryptd_queue_io(struct crypt_io *io) { - INIT_WORK(&io->work, kcryptd_do_work, io); + INIT_WORK(&io->work, kcryptd_do_work); queue_work(_kcryptd_workqueue, &io->work); } @@ -618,9 +618,9 @@ static void process_read_endio(struct crypt_io *io) dec_pending(io, crypt_convert(cc, &ctx)); } -static void kcryptd_do_work(void *data) +static void kcryptd_do_work(struct work_struct *work) { - struct crypt_io *io = data; + struct crypt_io *io = container_of(work, struct crypt_io, work); if (io->post_process) process_read_endio(io); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index d754e0bc6e9..e77ee6fd104 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -104,8 +104,8 @@ typedef int (*action_fn) (struct pgpath *pgpath); static kmem_cache_t *_mpio_cache; struct workqueue_struct *kmultipathd; -static void process_queued_ios(void *data); -static void trigger_event(void *data); +static void process_queued_ios(struct work_struct *work); +static void trigger_event(struct work_struct *work); /*----------------------------------------------- @@ -173,8 +173,8 @@ static struct multipath *alloc_multipath(struct dm_target *ti) INIT_LIST_HEAD(&m->priority_groups); spin_lock_init(&m->lock); m->queue_io = 1; - INIT_WORK(&m->process_queued_ios, process_queued_ios, m); - INIT_WORK(&m->trigger_event, trigger_event, m); + INIT_WORK(&m->process_queued_ios, process_queued_ios); + INIT_WORK(&m->trigger_event, trigger_event); m->mpio_pool = mempool_create_slab_pool(MIN_IOS, _mpio_cache); if (!m->mpio_pool) { kfree(m); @@ -379,9 +379,10 @@ static void dispatch_queued_ios(struct multipath *m) } } -static void process_queued_ios(void *data) +static void process_queued_ios(struct work_struct *work) { - struct multipath *m = (struct multipath *) data; + struct multipath *m = + container_of(work, struct multipath, process_queued_ios); struct hw_handler *hwh = &m->hw_handler; struct pgpath *pgpath = NULL; unsigned init_required = 0, must_queue = 1; @@ -421,9 +422,10 @@ out: * An event is triggered whenever a path is taken out of use. * Includes path failure and PG bypass. */ -static void trigger_event(void *data) +static void trigger_event(struct work_struct *work) { - struct multipath *m = (struct multipath *) data; + struct multipath *m = + container_of(work, struct multipath, trigger_event); dm_table_event(m->ti->table); } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 48a653b3f51..fc8cbb168e3 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -883,7 +883,7 @@ static void do_mirror(struct mirror_set *ms) do_writes(ms, &writes); } -static void do_work(void *ignored) +static void do_work(struct work_struct *ignored) { struct mirror_set *ms; @@ -1269,7 +1269,7 @@ static int __init dm_mirror_init(void) dm_dirty_log_exit(); return r; } - INIT_WORK(&_kmirrord_work, do_work, NULL); + INIT_WORK(&_kmirrord_work, do_work); r = dm_register_target(&mirror_target); if (r < 0) { diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 5281e009407..91c7aa1fed0 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -40,7 +40,7 @@ #define SNAPSHOT_PAGES 256 struct workqueue_struct *ksnapd; -static void flush_queued_bios(void *data); +static void flush_queued_bios(struct work_struct *work); struct pending_exception { struct exception e; @@ -528,7 +528,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) } bio_list_init(&s->queued_bios); - INIT_WORK(&s->queued_bios_work, flush_queued_bios, s); + INIT_WORK(&s->queued_bios_work, flush_queued_bios); /* Add snapshot to the list of snapshots for this origin */ /* Exceptions aren't triggered till snapshot_resume() is called */ @@ -603,9 +603,10 @@ static void flush_bios(struct bio *bio) } } -static void flush_queued_bios(void *data) +static void flush_queued_bios(struct work_struct *work) { - struct dm_snapshot *s = (struct dm_snapshot *) data; + struct dm_snapshot *s = + container_of(work, struct dm_snapshot, queued_bios_work); struct bio *queued_bios; unsigned long flags; diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index f1db6eff485..b3c01496c73 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -417,7 +417,7 @@ static int process_jobs(struct list_head *jobs, int (*fn) (struct kcopyd_job *)) /* * kcopyd does this every time it's woken up. */ -static void do_work(void *ignored) +static void do_work(struct work_struct *ignored) { /* * The order that these are called is *very* important. @@ -628,7 +628,7 @@ static int kcopyd_init(void) } kcopyd_clients++; - INIT_WORK(&_kcopyd_work, do_work, NULL); + INIT_WORK(&_kcopyd_work, do_work); mutex_unlock(&kcopyd_init_lock); return 0; } diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c index 06893243f3d..6e166801505 100644 --- a/drivers/media/dvb/b2c2/flexcop-pci.c +++ b/drivers/media/dvb/b2c2/flexcop-pci.c @@ -63,7 +63,7 @@ struct flexcop_pci { unsigned long last_irq; - struct work_struct irq_check_work; + struct delayed_work irq_check_work; struct flexcop_device *fc_dev; }; @@ -97,9 +97,10 @@ static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_regi return 0; } -static void flexcop_pci_irq_check_work(void *data) +static void flexcop_pci_irq_check_work(struct work_struct *work) { - struct flexcop_pci *fc_pci = data; + struct flexcop_pci *fc_pci = + container_of(work, struct flexcop_pci, irq_check_work.work); struct flexcop_device *fc = fc_pci->fc_dev; flexcop_ibi_value v = fc->read_ibi_reg(fc,sram_dest_reg_714); @@ -371,7 +372,7 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e if ((ret = flexcop_pci_dma_init(fc_pci)) != 0) goto err_fc_exit; - INIT_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work, fc_pci); + INIT_DELAYED_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work); return ret; diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index ff7d4f56ced..dd0bcbe140b 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -127,7 +127,7 @@ struct cinergyt2 { struct dvbt_set_parameters_msg param; struct dvbt_get_status_msg status; - struct work_struct query_work; + struct delayed_work query_work; wait_queue_head_t poll_wq; int pending_fe_events; @@ -141,7 +141,7 @@ struct cinergyt2 { #ifdef ENABLE_RC struct input_dev *rc_input_dev; char phys[64]; - struct work_struct rc_query_work; + struct delayed_work rc_query_work; int rc_input_event; u32 rc_last_code; unsigned long last_event_jiffies; @@ -724,9 +724,10 @@ static struct dvb_device cinergyt2_fe_template = { #ifdef ENABLE_RC -static void cinergyt2_query_rc (void *data) +static void cinergyt2_query_rc (struct work_struct *work) { - struct cinergyt2 *cinergyt2 = data; + struct cinergyt2 *cinergyt2 = + container_of(work, struct cinergyt2, rc_query_work.work); char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS }; struct cinergyt2_rc_event rc_events[12]; int n, len, i; @@ -807,7 +808,7 @@ static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys)); cinergyt2->rc_input_event = KEY_MAX; cinergyt2->rc_last_code = ~0; - INIT_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc, cinergyt2); + INIT_DELAYED_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc); input_dev->name = DRIVER_NAME " remote control"; input_dev->phys = cinergyt2->phys; @@ -848,9 +849,10 @@ static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { } #endif /* ENABLE_RC */ -static void cinergyt2_query (void *data) +static void cinergyt2_query (struct work_struct *work) { - struct cinergyt2 *cinergyt2 = (struct cinergyt2 *) data; + struct cinergyt2 *cinergyt2 = + container_of(work, struct cinergyt2, query_work.work); char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS }; struct dvbt_get_status_msg *s = &cinergyt2->status; uint8_t lock_bits; @@ -894,7 +896,7 @@ static int cinergyt2_probe (struct usb_interface *intf, mutex_init(&cinergyt2->sem); init_waitqueue_head (&cinergyt2->poll_wq); - INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2); + INIT_DELAYED_WORK(&cinergyt2->query_work, cinergyt2_query); cinergyt2->udev = interface_to_usbdev(intf); cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 8859ab74f0f..ebf4dc5190f 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c @@ -127,6 +127,7 @@ struct dvb_net_priv { int in_use; struct net_device_stats stats; u16 pid; + struct net_device *net; struct dvb_net *host; struct dmx_demux *demux; struct dmx_section_feed *secfeed; @@ -1123,10 +1124,11 @@ static int dvb_set_mc_filter (struct net_device *dev, struct dev_mc_list *mc) } -static void wq_set_multicast_list (void *data) +static void wq_set_multicast_list (struct work_struct *work) { - struct net_device *dev = data; - struct dvb_net_priv *priv = dev->priv; + struct dvb_net_priv *priv = + container_of(work, struct dvb_net_priv, set_multicast_list_wq); + struct net_device *dev = priv->net; dvb_net_feed_stop(dev); priv->rx_mode = RX_MODE_UNI; @@ -1167,9 +1169,11 @@ static void dvb_net_set_multicast_list (struct net_device *dev) } -static void wq_restart_net_feed (void *data) +static void wq_restart_net_feed (struct work_struct *work) { - struct net_device *dev = data; + struct dvb_net_priv *priv = + container_of(work, struct dvb_net_priv, restart_net_feed_wq); + struct net_device *dev = priv->net; if (netif_running(dev)) { dvb_net_feed_stop(dev); @@ -1276,6 +1280,7 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype) dvbnet->device[if_num] = net; priv = net->priv; + priv->net = net; priv->demux = dvbnet->demux; priv->pid = pid; priv->rx_mode = RX_MODE_UNI; @@ -1284,8 +1289,8 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype) priv->feedtype = feedtype; reset_ule(priv); - INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list, net); - INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed, net); + INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list); + INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed); mutex_init(&priv->mutex); net->base_addr = pid; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c index 0a3a0b6c235..794e4471561 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c @@ -13,9 +13,10 @@ * * TODO: Fix the repeat rate of the input device. */ -static void dvb_usb_read_remote_control(void *data) +static void dvb_usb_read_remote_control(struct work_struct *work) { - struct dvb_usb_device *d = data; + struct dvb_usb_device *d = + container_of(work, struct dvb_usb_device, rc_query_work.work); u32 event; int state; @@ -128,7 +129,7 @@ int dvb_usb_remote_init(struct dvb_usb_device *d) input_register_device(d->rc_input_dev); - INIT_WORK(&d->rc_query_work, dvb_usb_read_remote_control, d); + INIT_DELAYED_WORK(&d->rc_query_work, dvb_usb_read_remote_control); info("schedule remote query interval to %d msecs.", d->props.rc_interval); schedule_delayed_work(&d->rc_query_work,msecs_to_jiffies(d->props.rc_interval)); diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h index 376c45a8e77..0d721731a52 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb.h @@ -369,7 +369,7 @@ struct dvb_usb_device { /* remote control */ struct input_dev *rc_input_dev; char rc_phys[64]; - struct work_struct rc_query_work; + struct delayed_work rc_query_work; u32 last_event; int last_state; diff --git a/drivers/media/video/cpia_pp.c b/drivers/media/video/cpia_pp.c index 41f4b8d1755..b12cec94f4c 100644 --- a/drivers/media/video/cpia_pp.c +++ b/drivers/media/video/cpia_pp.c @@ -82,6 +82,8 @@ struct pp_cam_entry { struct pardevice *pdev; struct parport *port; struct work_struct cb_task; + void (*cb_func)(void *cbdata); + void *cb_data; int open_count; wait_queue_head_t wq_stream; /* image state flags */ @@ -130,6 +132,20 @@ static void cpia_parport_disable_irq( struct parport *port ) { #define PARPORT_CHUNK_SIZE PAGE_SIZE +static void cpia_pp_run_callback(struct work_struct *work) +{ + void (*cb_func)(void *cbdata); + void *cb_data; + struct pp_cam_entry *cam; + + cam = container_of(work, struct pp_cam_entry, cb_task); + cb_func = cam->cb_func; + cb_data = cam->cb_data; + work_release(work); + + cb_func(cb_data); +} + /**************************************************************************** * * CPiA-specific low-level parport functions for nibble uploads @@ -664,7 +680,9 @@ static int cpia_pp_registerCallback(void *privdata, void (*cb)(void *cbdata), vo int retval = 0; if(cam->port->irq != PARPORT_IRQ_NONE) { - INIT_WORK(&cam->cb_task, cb, cbdata); + cam->cb_func = cb; + cam->cb_data = cbdata; + INIT_WORK_NAR(&cam->cb_task, cpia_pp_run_callback); } else { retval = -1; } diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 57e1c024a54..e60a0a52e4b 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -145,9 +145,9 @@ static void ir_timer(unsigned long data) schedule_work(&ir->work); } -static void cx88_ir_work(void *data) +static void cx88_ir_work(struct work_struct *work) { - struct cx88_IR *ir = data; + struct cx88_IR *ir = container_of(work, struct cx88_IR, work); unsigned long timeout; cx88_ir_handle_key(ir); @@ -308,7 +308,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) core->ir = ir; if (ir->polling) { - INIT_WORK(&ir->work, cx88_ir_work, ir); + INIT_WORK(&ir->work, cx88_ir_work); init_timer(&ir->timer); ir->timer.function = ir_timer; ir->timer.data = (unsigned long)ir; diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index 1457b160222..ab87e7bfe84 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -268,9 +268,9 @@ static void ir_timer(unsigned long data) schedule_work(&ir->work); } -static void ir_work(void *data) +static void ir_work(struct work_struct *work) { - struct IR_i2c *ir = data; + struct IR_i2c *ir = container_of(work, struct IR_i2c, work); ir_key_poll(ir); mod_timer(&ir->timer, jiffies+HZ/10); } @@ -400,7 +400,7 @@ static int ir_attach(struct i2c_adapter *adap, int addr, ir->input->name,ir->input->phys,adap->name); /* start polling via eventd */ - INIT_WORK(&ir->work, ir_work, ir); + INIT_WORK(&ir->work, ir_work); init_timer(&ir->timer); ir->timer.function = ir_timer; ir->timer.data = (unsigned long)ir; diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c index f129f316d20..cf129746205 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-context.c +++ b/drivers/media/video/pvrusb2/pvrusb2-context.c @@ -45,16 +45,21 @@ static void pvr2_context_trigger_poll(struct pvr2_context *mp) } -static void pvr2_context_poll(struct pvr2_context *mp) +static void pvr2_context_poll(struct work_struct *work) { + struct pvr2_context *mp = + container_of(work, struct pvr2_context, workpoll); pvr2_context_enter(mp); do { pvr2_hdw_poll(mp->hdw); } while (0); pvr2_context_exit(mp); } -static void pvr2_context_setup(struct pvr2_context *mp) +static void pvr2_context_setup(struct work_struct *work) { + struct pvr2_context *mp = + container_of(work, struct pvr2_context, workinit); + pvr2_context_enter(mp); do { if (!pvr2_hdw_dev_ok(mp->hdw)) break; pvr2_hdw_setup(mp->hdw); @@ -92,8 +97,8 @@ struct pvr2_context *pvr2_context_create( } mp->workqueue = create_singlethread_workqueue("pvrusb2"); - INIT_WORK(&mp->workinit,(void (*)(void*))pvr2_context_setup,mp); - INIT_WORK(&mp->workpoll,(void (*)(void*))pvr2_context_poll,mp); + INIT_WORK(&mp->workinit, pvr2_context_setup); + INIT_WORK(&mp->workpoll, pvr2_context_poll); queue_work(mp->workqueue,&mp->workinit); done: return mp; diff --git a/drivers/media/video/saa6588.c b/drivers/media/video/saa6588.c index a81285ca7d5..8ba05c214ca 100644 --- a/drivers/media/video/saa6588.c +++ b/drivers/media/video/saa6588.c @@ -322,9 +322,9 @@ static void saa6588_timer(unsigned long data) schedule_work(&s->work); } -static void saa6588_work(void *data) +static void saa6588_work(struct work_struct *work) { - struct saa6588 *s = (struct saa6588 *)data; + struct saa6588 *s = container_of(work, struct saa6588, work); saa6588_i2c_poll(s); mod_timer(&s->timer, jiffies + msecs_to_jiffies(20)); @@ -417,7 +417,7 @@ static int saa6588_attach(struct i2c_adapter *adap, int addr, int kind) saa6588_configure(s); /* start polling via eventd */ - INIT_WORK(&s->work, saa6588_work, s); + INIT_WORK(&s->work, saa6588_work); init_timer(&s->timer); s->timer.function = saa6588_timer; s->timer.data = (unsigned long)s; diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 65d044086ce..daaae870a2c 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -343,9 +343,10 @@ static struct video_device saa7134_empress_template = .minor = -1, }; -static void empress_signal_update(void* data) +static void empress_signal_update(struct work_struct *work) { - struct saa7134_dev* dev = (struct saa7134_dev*) data; + struct saa7134_dev* dev = + container_of(work, struct saa7134_dev, empress_workqueue); if (dev->nosignal) { dprintk("no video signal\n"); @@ -378,7 +379,7 @@ static int empress_init(struct saa7134_dev *dev) "%s empress (%s)", dev->name, saa7134_boards[dev->board].name); - INIT_WORK(&dev->empress_workqueue, empress_signal_update, (void*) dev); + INIT_WORK(&dev->empress_workqueue, empress_signal_update); err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER, empress_nr[dev->nr]); @@ -399,7 +400,7 @@ static int empress_init(struct saa7134_dev *dev) sizeof(struct saa7134_buf), dev); - empress_signal_update(dev); + empress_signal_update(&dev->empress_workqueue); return 0; } diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 1dd49177315..ef2b55e1991 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -1018,9 +1018,10 @@ mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) } static void -mptfc_setup_reset(void *arg) +mptfc_setup_reset(struct work_struct *work) { - MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + MPT_ADAPTER *ioc = + container_of(work, MPT_ADAPTER, fc_setup_reset_work); u64 pn; struct mptfc_rport_info *ri; @@ -1043,9 +1044,10 @@ mptfc_setup_reset(void *arg) } static void -mptfc_rescan_devices(void *arg) +mptfc_rescan_devices(struct work_struct *work) { - MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + MPT_ADAPTER *ioc = + container_of(work, MPT_ADAPTER, fc_rescan_work); int ii; u64 pn; struct mptfc_rport_info *ri; @@ -1154,8 +1156,8 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) } spin_lock_init(&ioc->fc_rescan_work_lock); - INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc); - INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset, (void *)ioc); + INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); + INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); spin_lock_irqsave(&ioc->FreeQlock, flags); diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c index 314c3a27585..b7c4407c5e3 100644 --- a/drivers/message/fusion/mptlan.c +++ b/drivers/message/fusion/mptlan.c @@ -111,7 +111,8 @@ struct mpt_lan_priv { u32 total_received; struct net_device_stats stats; /* Per device statistics */ - struct work_struct post_buckets_task; + struct delayed_work post_buckets_task; + struct net_device *dev; unsigned long post_buckets_active; }; @@ -132,7 +133,7 @@ static int lan_reply (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, static int mpt_lan_open(struct net_device *dev); static int mpt_lan_reset(struct net_device *dev); static int mpt_lan_close(struct net_device *dev); -static void mpt_lan_post_receive_buckets(void *dev_id); +static void mpt_lan_post_receive_buckets(struct mpt_lan_priv *priv); static void mpt_lan_wake_post_buckets_task(struct net_device *dev, int priority); static int mpt_lan_receive_post_turbo(struct net_device *dev, u32 tmsg); @@ -345,7 +346,7 @@ mpt_lan_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) priv->mpt_rxfidx[++priv->mpt_rxfidx_tail] = i; spin_unlock_irqrestore(&priv->rxfidx_lock, flags); } else { - mpt_lan_post_receive_buckets(dev); + mpt_lan_post_receive_buckets(priv); netif_wake_queue(dev); } @@ -441,7 +442,7 @@ mpt_lan_open(struct net_device *dev) dlprintk((KERN_INFO MYNAM "/lo: Finished initializing RcvCtl\n")); - mpt_lan_post_receive_buckets(dev); + mpt_lan_post_receive_buckets(priv); printk(KERN_INFO MYNAM ": %s/%s: interface up & active\n", IOC_AND_NETDEV_NAMES_s_s(dev)); @@ -854,7 +855,7 @@ mpt_lan_wake_post_buckets_task(struct net_device *dev, int priority) if (test_and_set_bit(0, &priv->post_buckets_active) == 0) { if (priority) { - schedule_work(&priv->post_buckets_task); + schedule_delayed_work(&priv->post_buckets_task, 0); } else { schedule_delayed_work(&priv->post_buckets_task, 1); dioprintk((KERN_INFO MYNAM ": post_buckets queued on " @@ -1188,10 +1189,9 @@ mpt_lan_receive_post_reply(struct net_device *dev, /* Simple SGE's only at the moment */ static void -mpt_lan_post_receive_buckets(void *dev_id) +mpt_lan_post_receive_buckets(struct mpt_lan_priv *priv) { - struct net_device *dev = dev_id; - struct mpt_lan_priv *priv = dev->priv; + struct net_device *dev = priv->dev; MPT_ADAPTER *mpt_dev = priv->mpt_dev; MPT_FRAME_HDR *mf; LANReceivePostRequest_t *pRecvReq; @@ -1335,6 +1335,13 @@ out: clear_bit(0, &priv->post_buckets_active); } +static void +mpt_lan_post_receive_buckets_work(struct work_struct *work) +{ + mpt_lan_post_receive_buckets(container_of(work, struct mpt_lan_priv, + post_buckets_task.work)); +} + /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ static struct net_device * mpt_register_lan_device (MPT_ADAPTER *mpt_dev, int pnum) @@ -1350,11 +1357,13 @@ mpt_register_lan_device (MPT_ADAPTER *mpt_dev, int pnum) priv = netdev_priv(dev); + priv->dev = dev; priv->mpt_dev = mpt_dev; priv->pnum = pnum; - memset(&priv->post_buckets_task, 0, sizeof(struct work_struct)); - INIT_WORK(&priv->post_buckets_task, mpt_lan_post_receive_buckets, dev); + memset(&priv->post_buckets_task, 0, sizeof(priv->post_buckets_task)); + INIT_DELAYED_WORK(&priv->post_buckets_task, + mpt_lan_post_receive_buckets_work); priv->post_buckets_active = 0; dlprintk((KERN_INFO MYNAM "@%d: bucketlen = %d\n", diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index b752a479f6d..4f0c530e47b 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -2006,9 +2006,10 @@ __mptsas_discovery_work(MPT_ADAPTER *ioc) *(Mutex LOCKED) */ static void -mptsas_discovery_work(void * arg) +mptsas_discovery_work(struct work_struct *work) { - struct mptsas_discovery_event *ev = arg; + struct mptsas_discovery_event *ev = + container_of(work, struct mptsas_discovery_event, work); MPT_ADAPTER *ioc = ev->ioc; mutex_lock(&ioc->sas_discovery_mutex); @@ -2068,9 +2069,9 @@ mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id) * Work queue thread to clear the persitency table */ static void -mptsas_persist_clear_table(void * arg) +mptsas_persist_clear_table(struct work_struct *work) { - MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + MPT_ADAPTER *ioc = container_of(work, MPT_ADAPTER, sas_persist_task); mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT); } @@ -2093,9 +2094,10 @@ mptsas_reprobe_target(struct scsi_target *starget, int uld_attach) * Work queue thread to handle SAS hotplug events */ static void -mptsas_hotplug_work(void *arg) +mptsas_hotplug_work(struct work_struct *work) { - struct mptsas_hotplug_event *ev = arg; + struct mptsas_hotplug_event *ev = + container_of(work, struct mptsas_hotplug_event, work); MPT_ADAPTER *ioc = ev->ioc; struct mptsas_phyinfo *phy_info; struct sas_rphy *rphy; @@ -2341,7 +2343,7 @@ mptsas_send_sas_event(MPT_ADAPTER *ioc, break; } - INIT_WORK(&ev->work, mptsas_hotplug_work, ev); + INIT_WORK(&ev->work, mptsas_hotplug_work); ev->ioc = ioc; ev->handle = le16_to_cpu(sas_event_data->DevHandle); ev->parent_handle = @@ -2366,7 +2368,7 @@ mptsas_send_sas_event(MPT_ADAPTER *ioc, * Persistent table is full. */ INIT_WORK(&ioc->sas_persist_task, - mptsas_persist_clear_table, (void *)ioc); + mptsas_persist_clear_table); schedule_work(&ioc->sas_persist_task); break; case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: @@ -2395,7 +2397,7 @@ mptsas_send_raid_event(MPT_ADAPTER *ioc, return; } - INIT_WORK(&ev->work, mptsas_hotplug_work, ev); + INIT_WORK(&ev->work, mptsas_hotplug_work); ev->ioc = ioc; ev->id = raid_event_data->VolumeID; ev->event_type = MPTSAS_IGNORE_EVENT; @@ -2474,7 +2476,7 @@ mptsas_send_discovery_event(MPT_ADAPTER *ioc, ev = kzalloc(sizeof(*ev), GFP_ATOMIC); if (!ev) return; - INIT_WORK(&ev->work, mptsas_discovery_work, ev); + INIT_WORK(&ev->work, mptsas_discovery_work); ev->ioc = ioc; schedule_work(&ev->work); }; @@ -2511,8 +2513,7 @@ mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) break; case MPI_EVENT_PERSISTENT_TABLE_FULL: INIT_WORK(&ioc->sas_persist_task, - mptsas_persist_clear_table, - (void *)ioc); + mptsas_persist_clear_table); schedule_work(&ioc->sas_persist_task); break; case MPI_EVENT_SAS_DISCOVERY: diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index e4cc3dd5fc9..f422c0d0621 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -646,9 +646,10 @@ struct work_queue_wrapper { int disk; }; -static void mpt_work_wrapper(void *data) +static void mpt_work_wrapper(struct work_struct *work) { - struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data; + struct work_queue_wrapper *wqw = + container_of(work, struct work_queue_wrapper, work); struct _MPT_SCSI_HOST *hd = wqw->hd; struct Scsi_Host *shost = hd->ioc->sh; struct scsi_device *sdev; @@ -695,7 +696,7 @@ static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) disk); return; } - INIT_WORK(&wqw->work, mpt_work_wrapper, wqw); + INIT_WORK(&wqw->work, mpt_work_wrapper); wqw->hd = hd; wqw->disk = disk; @@ -784,9 +785,10 @@ MODULE_DEVICE_TABLE(pci, mptspi_pci_table); * renegotiate for a given target */ static void -mptspi_dv_renegotiate_work(void *data) +mptspi_dv_renegotiate_work(struct work_struct *work) { - struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data; + struct work_queue_wrapper *wqw = + container_of(work, struct work_queue_wrapper, work); struct _MPT_SCSI_HOST *hd = wqw->hd; struct scsi_device *sdev; @@ -804,7 +806,7 @@ mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) if (!wqw) return; - INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work, wqw); + INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); wqw->hd = hd; schedule_work(&wqw->work); diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c index 64130227574..7fc7399bd2e 100644 --- a/drivers/message/i2o/driver.c +++ b/drivers/message/i2o/driver.c @@ -232,7 +232,7 @@ int i2o_driver_dispatch(struct i2o_controller *c, u32 m) break; } - INIT_WORK(&evt->work, (void (*)(void *))drv->event, evt); + INIT_WORK(&evt->work, drv->event); queue_work(drv->event_queue, &evt->work); return 1; } diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index a2350640384..9e529d8dd5c 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -371,8 +371,10 @@ static int i2o_exec_remove(struct device *dev) * new LCT and if the buffer for the LCT was to small sends a LCT NOTIFY * again, otherwise send LCT NOTIFY to get informed on next LCT change. */ -static void i2o_exec_lct_modified(struct i2o_exec_lct_notify_work *work) +static void i2o_exec_lct_modified(struct work_struct *_work) { + struct i2o_exec_lct_notify_work *work = + container_of(_work, struct i2o_exec_lct_notify_work, work); u32 change_ind = 0; struct i2o_controller *c = work->c; @@ -439,8 +441,7 @@ static int i2o_exec_reply(struct i2o_controller *c, u32 m, work->c = c; - INIT_WORK(&work->work, (void (*)(void *))i2o_exec_lct_modified, - work); + INIT_WORK(&work->work, i2o_exec_lct_modified); queue_work(i2o_exec_driver.event_queue, &work->work); return 1; } @@ -460,13 +461,15 @@ static int i2o_exec_reply(struct i2o_controller *c, u32 m, /** * i2o_exec_event - Event handling function - * @evt: Event which occurs + * @work: Work item in occurring event * * Handles events send by the Executive device. At the moment does not do * anything useful. */ -static void i2o_exec_event(struct i2o_event *evt) +static void i2o_exec_event(struct work_struct *work) { + struct i2o_event *evt = container_of(work, struct i2o_event, work); + if (likely(evt->i2o_dev)) osm_debug("Event received from device: %d\n", evt->i2o_dev->lct_data.tid); diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index eaba81bf2ec..70ae0025332 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -419,16 +419,18 @@ static int i2o_block_prep_req_fn(struct request_queue *q, struct request *req) /** * i2o_block_delayed_request_fn - delayed request queue function - * delayed_request: the delayed request with the queue to start + * @work: the delayed request with the queue to start * * If the request queue is stopped for a disk, and there is no open * request, a new event is created, which calls this function to start * the queue after I2O_BLOCK_REQUEST_TIME. Otherwise the queue will never * be started again. */ -static void i2o_block_delayed_request_fn(void *delayed_request) +static void i2o_block_delayed_request_fn(struct work_struct *work) { - struct i2o_block_delayed_request *dreq = delayed_request; + struct i2o_block_delayed_request *dreq = + container_of(work, struct i2o_block_delayed_request, + work.work); struct request_queue *q = dreq->queue; unsigned long flags; @@ -538,8 +540,9 @@ static int i2o_block_reply(struct i2o_controller *c, u32 m, return 1; }; -static void i2o_block_event(struct i2o_event *evt) +static void i2o_block_event(struct work_struct *work) { + struct i2o_event *evt = container_of(work, struct i2o_event, work); osm_debug("event received\n"); kfree(evt); }; @@ -938,8 +941,8 @@ static void i2o_block_request_fn(struct request_queue *q) continue; dreq->queue = q; - INIT_WORK(&dreq->work, i2o_block_delayed_request_fn, - dreq); + INIT_DELAYED_WORK(&dreq->work, + i2o_block_delayed_request_fn); if (!queue_delayed_work(i2o_block_driver.event_queue, &dreq->work, diff --git a/drivers/message/i2o/i2o_block.h b/drivers/message/i2o/i2o_block.h index 4fdaa5bda41..d9fdc95b440 100644 --- a/drivers/message/i2o/i2o_block.h +++ b/drivers/message/i2o/i2o_block.h @@ -96,7 +96,7 @@ struct i2o_block_request { /* I2O Block device delayed request */ struct i2o_block_delayed_request { - struct work_struct work; + struct delayed_work work; struct request_queue *queue; }; diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 1ba8754e938..2ab7add78f9 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -33,9 +33,10 @@ static void tifm_7xx1_eject(struct tifm_adapter *fm, struct tifm_dev *sock) spin_unlock_irqrestore(&fm->lock, flags); } -static void tifm_7xx1_remove_media(void *adapter) +static void tifm_7xx1_remove_media(struct work_struct *work) { - struct tifm_adapter *fm = adapter; + struct tifm_adapter *fm = + container_of(work, struct tifm_adapter, media_remover); unsigned long flags; int cnt; struct tifm_dev *sock; @@ -169,9 +170,10 @@ tifm_7xx1_sock_addr(char __iomem *base_addr, unsigned int sock_num) return base_addr + ((sock_num + 1) << 10); } -static void tifm_7xx1_insert_media(void *adapter) +static void tifm_7xx1_insert_media(struct work_struct *work) { - struct tifm_adapter *fm = adapter; + struct tifm_adapter *fm = + container_of(work, struct tifm_adapter, media_inserter); unsigned long flags; tifm_media_id media_id; char *card_name = "xx"; @@ -261,7 +263,7 @@ static int tifm_7xx1_suspend(struct pci_dev *dev, pm_message_t state) spin_unlock_irqrestore(&fm->lock, flags); flush_workqueue(fm->wq); - tifm_7xx1_remove_media(fm); + tifm_7xx1_remove_media(&fm->media_remover); pci_set_power_state(dev, PCI_D3hot); pci_disable_device(dev); @@ -328,8 +330,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev, if (!fm->sockets) goto err_out_free; - INIT_WORK(&fm->media_inserter, tifm_7xx1_insert_media, fm); - INIT_WORK(&fm->media_remover, tifm_7xx1_remove_media, fm); + INIT_WORK(&fm->media_inserter, tifm_7xx1_insert_media); + INIT_WORK(&fm->media_remover, tifm_7xx1_remove_media); fm->eject = tifm_7xx1_eject; pci_set_drvdata(dev, fm); @@ -384,7 +386,7 @@ static void tifm_7xx1_remove(struct pci_dev *dev) flush_workqueue(fm->wq); - tifm_7xx1_remove_media(fm); + tifm_7xx1_remove_media(&fm->media_remover); writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE); free_irq(dev->irq, fm); diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 766bc54406e..21fd39e4a20 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1165,18 +1165,16 @@ static void mmc_setup(struct mmc_host *host) */ void mmc_detect_change(struct mmc_host *host, unsigned long delay) { - if (delay) - mmc_schedule_delayed_work(&host->detect, delay); - else - mmc_schedule_work(&host->detect); + mmc_schedule_delayed_work(&host->detect, delay); } EXPORT_SYMBOL(mmc_detect_change); -static void mmc_rescan(void *data) +static void mmc_rescan(struct work_struct *work) { - struct mmc_host *host = data; + struct mmc_host *host = + container_of(work, struct mmc_host, detect.work); struct list_head *l, *n; unsigned char power_mode; @@ -1259,7 +1257,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) spin_lock_init(&host->lock); init_waitqueue_head(&host->wq); INIT_LIST_HEAD(&host->cards); - INIT_WORK(&host->detect, mmc_rescan, host); + INIT_DELAYED_WORK(&host->detect, mmc_rescan); /* * By default, hosts do not support SGIO or large requests. @@ -1357,7 +1355,7 @@ EXPORT_SYMBOL(mmc_suspend_host); */ int mmc_resume_host(struct mmc_host *host) { - mmc_rescan(host); + mmc_rescan(&host->detect.work); return 0; } diff --git a/drivers/mmc/mmc.h b/drivers/mmc/mmc.h index cd5e0ab3d84..149affe0b68 100644 --- a/drivers/mmc/mmc.h +++ b/drivers/mmc/mmc.h @@ -20,6 +20,6 @@ void mmc_remove_host_sysfs(struct mmc_host *host); void mmc_free_host_sysfs(struct mmc_host *host); int mmc_schedule_work(struct work_struct *work); -int mmc_schedule_delayed_work(struct work_struct *work, unsigned long delay); +int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay); void mmc_flush_scheduled_work(void); #endif diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c index 10cc9734eaa..fd9a5fc6db7 100644 --- a/drivers/mmc/mmc_sysfs.c +++ b/drivers/mmc/mmc_sysfs.c @@ -320,18 +320,10 @@ void mmc_free_host_sysfs(struct mmc_host *host) static struct workqueue_struct *workqueue; -/* - * Internal function. Schedule work in the MMC work queue. - */ -int mmc_schedule_work(struct work_struct *work) -{ - return queue_work(workqueue, work); -} - /* * Internal function. Schedule delayed work in the MMC work queue. */ -int mmc_schedule_delayed_work(struct work_struct *work, unsigned long delay) +int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay) { return queue_delayed_work(workqueue, work, delay); } diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c index 0fdc55b08a6..e846499a004 100644 --- a/drivers/mmc/tifm_sd.c +++ b/drivers/mmc/tifm_sd.c @@ -99,7 +99,7 @@ struct tifm_sd { struct mmc_request *req; struct work_struct cmd_handler; - struct work_struct abort_handler; + struct delayed_work abort_handler; wait_queue_head_t can_eject; size_t written_blocks; @@ -496,9 +496,9 @@ err_out: mmc_request_done(mmc, mrq); } -static void tifm_sd_end_cmd(void *data) +static void tifm_sd_end_cmd(struct work_struct *work) { - struct tifm_sd *host = data; + struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); struct tifm_dev *sock = host->dev; struct mmc_host *mmc = tifm_get_drvdata(sock); struct mmc_request *mrq; @@ -608,9 +608,9 @@ err_out: mmc_request_done(mmc, mrq); } -static void tifm_sd_end_cmd_nodma(void *data) +static void tifm_sd_end_cmd_nodma(struct work_struct *work) { - struct tifm_sd *host = (struct tifm_sd*)data; + struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); struct tifm_dev *sock = host->dev; struct mmc_host *mmc = tifm_get_drvdata(sock); struct mmc_request *mrq; @@ -661,11 +661,14 @@ static void tifm_sd_end_cmd_nodma(void *data) mmc_request_done(mmc, mrq); } -static void tifm_sd_abort(void *data) +static void tifm_sd_abort(struct work_struct *work) { + struct tifm_sd *host = + container_of(work, struct tifm_sd, abort_handler.work); + printk(KERN_ERR DRIVER_NAME ": card failed to respond for a long period of time"); - tifm_eject(((struct tifm_sd*)data)->dev); + tifm_eject(host->dev); } static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) @@ -762,9 +765,9 @@ static struct mmc_host_ops tifm_sd_ops = { .get_ro = tifm_sd_ro }; -static void tifm_sd_register_host(void *data) +static void tifm_sd_register_host(struct work_struct *work) { - struct tifm_sd *host = (struct tifm_sd*)data; + struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler); struct tifm_dev *sock = host->dev; struct mmc_host *mmc = tifm_get_drvdata(sock); unsigned long flags; @@ -772,8 +775,7 @@ static void tifm_sd_register_host(void *data) spin_lock_irqsave(&sock->lock, flags); host->flags |= HOST_REG; PREPARE_WORK(&host->cmd_handler, - no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd, - data); + no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd); spin_unlock_irqrestore(&sock->lock, flags); dev_dbg(&sock->dev, "adding host\n"); mmc_add_host(mmc); @@ -799,8 +801,8 @@ static int tifm_sd_probe(struct tifm_dev *sock) host->dev = sock; host->clk_div = 61; init_waitqueue_head(&host->can_eject); - INIT_WORK(&host->cmd_handler, tifm_sd_register_host, host); - INIT_WORK(&host->abort_handler, tifm_sd_abort, host); + INIT_WORK(&host->cmd_handler, tifm_sd_register_host); + INIT_DELAYED_WORK(&host->abort_handler, tifm_sd_abort); tifm_set_drvdata(sock, mmc); sock->signal_irq = tifm_sd_signal_irq; diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index d02ed51abfc..931028f672d 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -594,7 +594,7 @@ struct rtl8139_private { u32 rx_config; struct rtl_extra_stats xstats; - struct work_struct thread; + struct delayed_work thread; struct mii_if_info mii; unsigned int regs_len; @@ -636,8 +636,8 @@ static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); static void rtl8139_set_rx_mode (struct net_device *dev); static void __set_rx_mode (struct net_device *dev); static void rtl8139_hw_start (struct net_device *dev); -static void rtl8139_thread (void *_data); -static void rtl8139_tx_timeout_task(void *_data); +static void rtl8139_thread (struct work_struct *work); +static void rtl8139_tx_timeout_task(struct work_struct *work); static const struct ethtool_ops rtl8139_ethtool_ops; /* write MMIO register, with flush */ @@ -1010,7 +1010,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev, (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); spin_lock_init (&tp->lock); spin_lock_init (&tp->rx_lock); - INIT_WORK(&tp->thread, rtl8139_thread, dev); + INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); tp->mii.dev = dev; tp->mii.mdio_read = mdio_read; tp->mii.mdio_write = mdio_write; @@ -1596,15 +1596,16 @@ static inline void rtl8139_thread_iter (struct net_device *dev, RTL_R8 (Config1)); } -static void rtl8139_thread (void *_data) +static void rtl8139_thread (struct work_struct *work) { - struct net_device *dev = _data; - struct rtl8139_private *tp = netdev_priv(dev); + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; unsigned long thr_delay = next_tick; if (tp->watchdog_fired) { tp->watchdog_fired = 0; - rtl8139_tx_timeout_task(_data); + rtl8139_tx_timeout_task(work); } else if (rtnl_trylock()) { rtl8139_thread_iter (dev, tp, tp->mmio_addr); rtnl_unlock (); @@ -1646,10 +1647,11 @@ static inline void rtl8139_tx_clear (struct rtl8139_private *tp) /* XXX account for unsent Tx packets in tp->stats.tx_dropped */ } -static void rtl8139_tx_timeout_task (void *_data) +static void rtl8139_tx_timeout_task (struct work_struct *work) { - struct net_device *dev = _data; - struct rtl8139_private *tp = netdev_priv(dev); + struct rtl8139_private *tp = + container_of(work, struct rtl8139_private, thread.work); + struct net_device *dev = tp->mii.dev; void __iomem *ioaddr = tp->mmio_addr; int i; u8 tmp8; @@ -1695,7 +1697,7 @@ static void rtl8139_tx_timeout (struct net_device *dev) struct rtl8139_private *tp = netdev_priv(dev); if (!tp->have_thread) { - INIT_WORK(&tp->thread, rtl8139_tx_timeout_task, dev); + INIT_DELAYED_WORK(&tp->thread, rtl8139_tx_timeout_task); schedule_delayed_work(&tp->thread, next_tick); } else tp->watchdog_fired = 1; diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 01b76d3aa42..b12cc4596b8 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -4339,9 +4339,9 @@ bnx2_open(struct net_device *dev) } static void -bnx2_reset_task(void *data) +bnx2_reset_task(struct work_struct *work) { - struct bnx2 *bp = data; + struct bnx2 *bp = container_of(work, struct bnx2, reset_task); if (!netif_running(bp->dev)) return; @@ -5630,7 +5630,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->pdev = pdev; spin_lock_init(&bp->phy_lock); - INIT_WORK(&bp->reset_task, bnx2_reset_task, bp); + INIT_WORK(&bp->reset_task, bnx2_reset_task); dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); mem_len = MB_GET_CID_ADDR(17); diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 521c5b71023..fe08f384549 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -4066,9 +4066,9 @@ static int cas_alloc_rxds(struct cas *cp) return 0; } -static void cas_reset_task(void *data) +static void cas_reset_task(struct work_struct *work) { - struct cas *cp = (struct cas *) data; + struct cas *cp = container_of(work, struct cas, reset_task); #if 0 int pending = atomic_read(&cp->reset_task_pending); #else @@ -5006,7 +5006,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev, atomic_set(&cp->reset_task_pending_spare, 0); atomic_set(&cp->reset_task_pending_mtu, 0); #endif - INIT_WORK(&cp->reset_task, cas_reset_task, cp); + INIT_WORK(&cp->reset_task, cas_reset_task); /* Default link parameters */ if (link_mode >= 0 && link_mode <= 6) diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index 5d9dd14427c..8b1bedbce0d 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -209,7 +209,7 @@ struct adapter { struct peespi *espi; struct port_info port[MAX_NPORTS]; - struct work_struct stats_update_task; + struct delayed_work stats_update_task; struct timer_list stats_update_timer; struct semaphore mib_mutex; diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index ad7ff9641a7..f607cc6a276 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -927,10 +927,11 @@ static void t1_netpoll(struct net_device *dev) * Periodic accumulation of MAC statistics. This is used only if the MAC * does not have any other way to prevent stats counter overflow. */ -static void mac_stats_task(void *data) +static void mac_stats_task(struct work_struct *work) { int i; - struct adapter *adapter = data; + struct adapter *adapter = + container_of(work, struct adapter, stats_update_task.work); for_each_port(adapter, i) { struct port_info *p = &adapter->port[i]; @@ -951,9 +952,10 @@ static void mac_stats_task(void *data) /* * Processes elmer0 external interrupts in process context. */ -static void ext_intr_task(void *data) +static void ext_intr_task(struct work_struct *work) { - struct adapter *adapter = data; + struct adapter *adapter = + container_of(work, struct adapter, ext_intr_handler_task); elmer0_ext_intr_handler(adapter); @@ -1087,9 +1089,9 @@ static int __devinit init_one(struct pci_dev *pdev, spin_lock_init(&adapter->async_lock); INIT_WORK(&adapter->ext_intr_handler_task, - ext_intr_task, adapter); - INIT_WORK(&adapter->stats_update_task, mac_stats_task, - adapter); + ext_intr_task); + INIT_DELAYED_WORK(&adapter->stats_update_task, + mac_stats_task); #ifdef work_struct init_timer(&adapter->stats_update_timer); adapter->stats_update_timer.function = mac_stats_timer; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 19ab3441269..e7737d02bb0 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2102,9 +2102,10 @@ static void e100_tx_timeout(struct net_device *netdev) schedule_work(&nic->tx_timeout_task); } -static void e100_tx_timeout_task(struct net_device *netdev) +static void e100_tx_timeout_task(struct work_struct *work) { - struct nic *nic = netdev_priv(netdev); + struct nic *nic = container_of(work, struct nic, tx_timeout_task); + struct net_device *netdev = nic->netdev; DPRINTK(TX_ERR, DEBUG, "scb.status=0x%02X\n", readb(&nic->csr->scb.status)); @@ -2637,8 +2638,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, nic->blink_timer.function = e100_blink_led; nic->blink_timer.data = (unsigned long)nic; - INIT_WORK(&nic->tx_timeout_task, - (void (*)(void *))e100_tx_timeout_task, netdev); + INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task); if((err = e100_alloc(nic))) { DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n"); diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 6ad69610141..83fa32f7239 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -2224,11 +2224,12 @@ static int ehea_stop(struct net_device *dev) return ret; } -static void ehea_reset_port(void *data) +static void ehea_reset_port(struct work_struct *work) { int ret; - struct net_device *dev = data; - struct ehea_port *port = netdev_priv(dev); + struct ehea_port *port = + container_of(work, struct ehea_port, reset_task); + struct net_device *dev = port->netdev; port->resets++; down(&port->port_lock); @@ -2379,7 +2380,7 @@ static int ehea_setup_single_port(struct ehea_port *port, dev->tx_timeout = &ehea_tx_watchdog; dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT; - INIT_WORK(&port->reset_task, ehea_reset_port, dev); + INIT_WORK(&port->reset_task, ehea_reset_port); ehea_set_ethtool_ops(dev); diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c index 1ed9cccd3c1..3c33d6f6a6a 100644 --- a/drivers/net/hamradio/baycom_epp.c +++ b/drivers/net/hamradio/baycom_epp.c @@ -168,8 +168,9 @@ struct baycom_state { int magic; struct pardevice *pdev; + struct net_device *dev; unsigned int work_running; - struct work_struct run_work; + struct delayed_work run_work; unsigned int modem; unsigned int bitrate; unsigned char stat; @@ -659,16 +660,18 @@ static int receive(struct net_device *dev, int cnt) #define GETTICK(x) #endif /* __i386__ */ -static void epp_bh(struct net_device *dev) +static void epp_bh(struct work_struct *work) { + struct net_device *dev; struct baycom_state *bc; struct parport *pp; unsigned char stat; unsigned char tmp[2]; unsigned int time1 = 0, time2 = 0, time3 = 0; int cnt, cnt2; - - bc = netdev_priv(dev); + + bc = container_of(work, struct baycom_state, run_work.work); + dev = bc->dev; if (!bc->work_running) return; baycom_int_freq(bc); @@ -889,7 +892,7 @@ static int epp_open(struct net_device *dev) return -EBUSY; } dev->irq = /*pp->irq*/ 0; - INIT_WORK(&bc->run_work, (void *)(void *)epp_bh, dev); + INIT_DELAYED_WORK(&bc->run_work, epp_bh); bc->work_running = 1; bc->modem = EPP_CONVENTIONAL; if (eppconfig(bc)) @@ -1213,6 +1216,7 @@ static void __init baycom_epp_dev_setup(struct net_device *dev) /* * initialize part of the baycom_state struct */ + bc->dev = dev; bc->magic = BAYCOM_MAGIC; bc->cfg.fclk = 19666600; bc->cfg.bps = 9600; diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c index b32c52ed19d..f0c61f3b2a8 100644 --- a/drivers/net/irda/mcs7780.c +++ b/drivers/net/irda/mcs7780.c @@ -560,9 +560,9 @@ static inline int mcs_find_endpoints(struct mcs_cb *mcs, return ret; } -static void mcs_speed_work(void *arg) +static void mcs_speed_work(struct work_struct *work) { - struct mcs_cb *mcs = arg; + struct mcs_cb *mcs = container_of(work, struct mcs_cb, work); struct net_device *netdev = mcs->netdev; mcs_speed_change(mcs); @@ -927,7 +927,7 @@ static int mcs_probe(struct usb_interface *intf, irda_qos_bits_to_value(&mcs->qos); /* Speed change work initialisation*/ - INIT_WORK(&mcs->work, mcs_speed_work, mcs); + INIT_WORK(&mcs->work, mcs_speed_work); /* Override the network functions we need to use */ ndev->hard_start_xmit = mcs_hard_xmit; diff --git a/drivers/net/irda/sir-dev.h b/drivers/net/irda/sir-dev.h index 9fa294a546d..2a57bc67ce3 100644 --- a/drivers/net/irda/sir-dev.h +++ b/drivers/net/irda/sir-dev.h @@ -22,7 +22,7 @@ struct sir_fsm { struct semaphore sem; - struct work_struct work; + struct delayed_work work; unsigned state, substate; int param; int result; diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index 3b5854d10c1..17b0c3ab620 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -100,9 +100,9 @@ static int sirdev_tx_complete_fsm(struct sir_dev *dev) * Both must be unlocked/restarted on completion - but only on final exit. */ -static void sirdev_config_fsm(void *data) +static void sirdev_config_fsm(struct work_struct *work) { - struct sir_dev *dev = data; + struct sir_dev *dev = container_of(work, struct sir_dev, fsm.work.work); struct sir_fsm *fsm = &dev->fsm; int next_state; int ret = -1; @@ -309,8 +309,8 @@ int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned par fsm->param = param; fsm->result = 0; - INIT_WORK(&fsm->work, sirdev_config_fsm, dev); - queue_work(irda_sir_wq, &fsm->work); + INIT_DELAYED_WORK(&fsm->work, sirdev_config_fsm); + queue_delayed_work(irda_sir_wq, &fsm->work, 0); return 0; } diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c index 2284e2ce169..d6f4f185bf3 100644 --- a/drivers/net/iseries_veth.c +++ b/drivers/net/iseries_veth.c @@ -166,7 +166,7 @@ struct veth_msg { struct veth_lpar_connection { HvLpIndex remote_lp; - struct work_struct statemachine_wq; + struct delayed_work statemachine_wq; struct veth_msg *msgs; int num_events; struct veth_cap_data local_caps; @@ -456,7 +456,7 @@ static struct kobj_type veth_port_ktype = { static inline void veth_kick_statemachine(struct veth_lpar_connection *cnx) { - schedule_work(&cnx->statemachine_wq); + schedule_delayed_work(&cnx->statemachine_wq, 0); } static void veth_take_cap(struct veth_lpar_connection *cnx, @@ -638,9 +638,11 @@ static int veth_process_caps(struct veth_lpar_connection *cnx) } /* FIXME: The gotos here are a bit dubious */ -static void veth_statemachine(void *p) +static void veth_statemachine(struct work_struct *work) { - struct veth_lpar_connection *cnx = (struct veth_lpar_connection *)p; + struct veth_lpar_connection *cnx = + container_of(work, struct veth_lpar_connection, + statemachine_wq.work); int rlp = cnx->remote_lp; int rc; @@ -827,7 +829,7 @@ static int veth_init_connection(u8 rlp) cnx->remote_lp = rlp; spin_lock_init(&cnx->lock); - INIT_WORK(&cnx->statemachine_wq, veth_statemachine, cnx); + INIT_DELAYED_WORK(&cnx->statemachine_wq, veth_statemachine); init_timer(&cnx->ack_timer); cnx->ack_timer.function = veth_timed_ack; diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index e09f575a3a3..d1ebb91ed27 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -106,7 +106,7 @@ static boolean_t ixgb_clean_rx_irq(struct ixgb_adapter *adapter); static void ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter); void ixgb_set_ethtool_ops(struct net_device *netdev); static void ixgb_tx_timeout(struct net_device *dev); -static void ixgb_tx_timeout_task(struct net_device *dev); +static void ixgb_tx_timeout_task(struct work_struct *work); static void ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); static void ixgb_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); @@ -489,8 +489,7 @@ ixgb_probe(struct pci_dev *pdev, adapter->watchdog_timer.function = &ixgb_watchdog; adapter->watchdog_timer.data = (unsigned long)adapter; - INIT_WORK(&adapter->tx_timeout_task, - (void (*)(void *))ixgb_tx_timeout_task, netdev); + INIT_WORK(&adapter->tx_timeout_task, ixgb_tx_timeout_task); strcpy(netdev->name, "eth%d"); if((err = register_netdev(netdev))) @@ -1493,9 +1492,10 @@ ixgb_tx_timeout(struct net_device *netdev) } static void -ixgb_tx_timeout_task(struct net_device *netdev) +ixgb_tx_timeout_task(struct work_struct *work) { - struct ixgb_adapter *adapter = netdev_priv(netdev); + struct ixgb_adapter *adapter = + container_of(work, struct ixgb_adapter, tx_timeout_task); adapter->tx_timeout_count++; ixgb_down(adapter, TRUE); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 806081b5973..98703e086ee 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -2615,9 +2615,10 @@ static u32 myri10ge_read_reboot(struct myri10ge_priv *mgp) * This watchdog is used to check whether the board has suffered * from a parity error and needs to be recovered. */ -static void myri10ge_watchdog(void *arg) +static void myri10ge_watchdog(struct work_struct *work) { - struct myri10ge_priv *mgp = arg; + struct myri10ge_priv *mgp = + container_of(work, struct myri10ge_priv, watchdog_work); u32 reboot; int status; u16 cmd, vendor; @@ -2887,7 +2888,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) (unsigned long)mgp); SET_ETHTOOL_OPS(netdev, &myri10ge_ethtool_ops); - INIT_WORK(&mgp->watchdog_work, myri10ge_watchdog, mgp); + INIT_WORK(&mgp->watchdog_work, myri10ge_watchdog); status = register_netdev(netdev); if (status != 0) { dev_err(&pdev->dev, "register_netdev failed: %d\n", status); diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index b0127c71a5b..312e0e33171 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -427,6 +427,7 @@ struct ns83820 { u8 __iomem *base; struct pci_dev *pci_dev; + struct net_device *ndev; #ifdef NS83820_VLAN_ACCEL_SUPPORT struct vlan_group *vlgrp; @@ -631,10 +632,10 @@ static void fastcall rx_refill_atomic(struct net_device *ndev) } /* REFILL */ -static inline void queue_refill(void *_dev) +static inline void queue_refill(struct work_struct *work) { - struct net_device *ndev = _dev; - struct ns83820 *dev = PRIV(ndev); + struct ns83820 *dev = container_of(work, struct ns83820, tq_refill); + struct net_device *ndev = dev->ndev; rx_refill(ndev, GFP_KERNEL); if (dev->rx_info.up) @@ -1841,6 +1842,7 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_ ndev = alloc_etherdev(sizeof(struct ns83820)); dev = PRIV(ndev); + dev->ndev = ndev; err = -ENOMEM; if (!dev) goto out; @@ -1853,7 +1855,7 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_ SET_MODULE_OWNER(ndev); SET_NETDEV_DEV(ndev, &pci_dev->dev); - INIT_WORK(&dev->tq_refill, queue_refill, ndev); + INIT_WORK(&dev->tq_refill, queue_refill); tasklet_init(&dev->rx_tasklet, rx_action, (unsigned long)ndev); err = pci_enable_device(pci_dev); diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index f3914f58d67..5de8850f232 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -332,6 +332,7 @@ static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id); */ typedef struct local_info_t { + struct net_device *dev; struct pcmcia_device *p_dev; dev_node_t node; struct net_device_stats stats; @@ -353,7 +354,7 @@ typedef struct local_info_t { */ static int do_start_xmit(struct sk_buff *skb, struct net_device *dev); static void do_tx_timeout(struct net_device *dev); -static void xirc2ps_tx_timeout_task(void *data); +static void xirc2ps_tx_timeout_task(struct work_struct *work); static struct net_device_stats *do_get_stats(struct net_device *dev); static void set_addresses(struct net_device *dev); static void set_multicast_list(struct net_device *dev); @@ -567,6 +568,7 @@ xirc2ps_probe(struct pcmcia_device *link) if (!dev) return -ENOMEM; local = netdev_priv(dev); + local->dev = dev; local->p_dev = link; link->priv = dev; @@ -591,7 +593,7 @@ xirc2ps_probe(struct pcmcia_device *link) #ifdef HAVE_TX_TIMEOUT dev->tx_timeout = do_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; - INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task, dev); + INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task); #endif return xirc2ps_config(link); @@ -1344,9 +1346,11 @@ xirc2ps_interrupt(int irq, void *dev_id) /*====================================================================*/ static void -xirc2ps_tx_timeout_task(void *data) +xirc2ps_tx_timeout_task(struct work_struct *work) { - struct net_device *dev = data; + local_info_t *local = + container_of(work, local_info_t, tx_timeout_task); + struct net_device *dev = local->dev; /* reset the card */ do_reset(dev,1); dev->trans_start = jiffies; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 3af9fcf76c8..a443976d5dc 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -394,7 +394,7 @@ out_unlock: EXPORT_SYMBOL(phy_start_aneg); -static void phy_change(void *data); +static void phy_change(struct work_struct *work); static void phy_timer(unsigned long data); /* phy_start_machine: @@ -549,7 +549,7 @@ int phy_start_interrupts(struct phy_device *phydev) { int err = 0; - INIT_WORK(&phydev->phy_queue, phy_change, phydev); + INIT_WORK(&phydev->phy_queue, phy_change); if (request_irq(phydev->irq, phy_interrupt, IRQF_SHARED, @@ -585,10 +585,11 @@ EXPORT_SYMBOL(phy_stop_interrupts); /* Scheduled by the phy_interrupt/timer to handle PHY changes */ -static void phy_change(void *data) +static void phy_change(struct work_struct *work) { int err; - struct phy_device *phydev = data; + struct phy_device *phydev = + container_of(work, struct phy_device, phy_queue); err = phy_disable_interrupts(phydev); diff --git a/drivers/net/plip.c b/drivers/net/plip.c index 71afb274498..6bb085f5443 100644 --- a/drivers/net/plip.c +++ b/drivers/net/plip.c @@ -138,9 +138,9 @@ static const unsigned int net_debug = NET_DEBUG; #define PLIP_NIBBLE_WAIT 3000 /* Bottom halves */ -static void plip_kick_bh(struct net_device *dev); -static void plip_bh(struct net_device *dev); -static void plip_timer_bh(struct net_device *dev); +static void plip_kick_bh(struct work_struct *work); +static void plip_bh(struct work_struct *work); +static void plip_timer_bh(struct work_struct *work); /* Interrupt handler */ static void plip_interrupt(int irq, void *dev_id); @@ -207,9 +207,10 @@ struct plip_local { struct net_local { struct net_device_stats enet_stats; + struct net_device *dev; struct work_struct immediate; - struct work_struct deferred; - struct work_struct timer; + struct delayed_work deferred; + struct delayed_work timer; struct plip_local snd_data; struct plip_local rcv_data; struct pardevice *pardev; @@ -306,11 +307,11 @@ plip_init_netdev(struct net_device *dev) nl->nibble = PLIP_NIBBLE_WAIT; /* Initialize task queue structures */ - INIT_WORK(&nl->immediate, (void (*)(void *))plip_bh, dev); - INIT_WORK(&nl->deferred, (void (*)(void *))plip_kick_bh, dev); + INIT_WORK(&nl->immediate, plip_bh); + INIT_DELAYED_WORK(&nl->deferred, plip_kick_bh); if (dev->irq == -1) - INIT_WORK(&nl->timer, (void (*)(void *))plip_timer_bh, dev); + INIT_DELAYED_WORK(&nl->timer, plip_timer_bh); spin_lock_init(&nl->lock); } @@ -319,9 +320,10 @@ plip_init_netdev(struct net_device *dev) This routine is kicked by do_timer(). Request `plip_bh' to be invoked. */ static void -plip_kick_bh(struct net_device *dev) +plip_kick_bh(struct work_struct *work) { - struct net_local *nl = netdev_priv(dev); + struct net_local *nl = + container_of(work, struct net_local, deferred.work); if (nl->is_deferred) schedule_work(&nl->immediate); @@ -362,9 +364,9 @@ static const plip_func connection_state_table[] = /* Bottom half handler of PLIP. */ static void -plip_bh(struct net_device *dev) +plip_bh(struct work_struct *work) { - struct net_local *nl = netdev_priv(dev); + struct net_local *nl = container_of(work, struct net_local, immediate); struct plip_local *snd = &nl->snd_data; struct plip_local *rcv = &nl->rcv_data; plip_func f; @@ -372,20 +374,21 @@ plip_bh(struct net_device *dev) nl->is_deferred = 0; f = connection_state_table[nl->connection]; - if ((r = (*f)(dev, nl, snd, rcv)) != OK - && (r = plip_bh_timeout_error(dev, nl, snd, rcv, r)) != OK) { + if ((r = (*f)(nl->dev, nl, snd, rcv)) != OK + && (r = plip_bh_timeout_error(nl->dev, nl, snd, rcv, r)) != OK) { nl->is_deferred = 1; schedule_delayed_work(&nl->deferred, 1); } } static void -plip_timer_bh(struct net_device *dev) +plip_timer_bh(struct work_struct *work) { - struct net_local *nl = netdev_priv(dev); + struct net_local *nl = + container_of(work, struct net_local, timer.work); if (!(atomic_read (&nl->kill_timer))) { - plip_interrupt (-1, dev); + plip_interrupt (-1, nl->dev); schedule_delayed_work(&nl->timer, 1); } @@ -1284,6 +1287,7 @@ static void plip_attach (struct parport *port) } nl = netdev_priv(dev); + nl->dev = dev; nl->pardev = parport_register_device(port, name, plip_preempt, plip_wakeup, plip_interrupt, 0, dev); diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c index ec640f6229a..d79d141a601 100644 --- a/drivers/net/qla3xxx.c +++ b/drivers/net/qla3xxx.c @@ -2008,7 +2008,7 @@ static irqreturn_t ql3xxx_isr(int irq, void *dev_id) "%s: Another function issued a reset to the " "chip. ISR value = %x.\n", ndev->name, value); } - queue_work(qdev->workqueue, &qdev->reset_work); + queue_delayed_work(qdev->workqueue, &qdev->reset_work, 0); spin_unlock(&qdev->adapter_lock); } else if (value & ISP_IMR_DISABLE_CMPL_INT) { ql_disable_interrupts(qdev); @@ -3182,11 +3182,13 @@ static void ql3xxx_tx_timeout(struct net_device *ndev) /* * Wake up the worker to process this event. */ - queue_work(qdev->workqueue, &qdev->tx_timeout_work); + queue_delayed_work(qdev->workqueue, &qdev->tx_timeout_work, 0); } -static void ql_reset_work(struct ql3_adapter *qdev) +static void ql_reset_work(struct work_struct *work) { + struct ql3_adapter *qdev = + container_of(work, struct ql3_adapter, reset_work.work); struct net_device *ndev = qdev->ndev; u32 value; struct ql_tx_buf_cb *tx_cb; @@ -3278,9 +3280,12 @@ static void ql_reset_work(struct ql3_adapter *qdev) } } -static void ql_tx_timeout_work(struct ql3_adapter *qdev) +static void ql_tx_timeout_work(struct work_struct *work) { - ql_cycle_adapter(qdev,QL_DO_RESET); + struct ql3_adapter *qdev = + container_of(work, struct ql3_adapter, tx_timeout_work.work); + + ql_cycle_adapter(qdev, QL_DO_RESET); } static void ql_get_board_info(struct ql3_adapter *qdev) @@ -3459,9 +3464,8 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev, netif_stop_queue(ndev); qdev->workqueue = create_singlethread_workqueue(ndev->name); - INIT_WORK(&qdev->reset_work, (void (*)(void *))ql_reset_work, qdev); - INIT_WORK(&qdev->tx_timeout_work, - (void (*)(void *))ql_tx_timeout_work, qdev); + INIT_DELAYED_WORK(&qdev->reset_work, ql_reset_work); + INIT_DELAYED_WORK(&qdev->tx_timeout_work, ql_tx_timeout_work); init_timer(&qdev->adapter_timer); qdev->adapter_timer.function = ql3xxx_timer; diff --git a/drivers/net/qla3xxx.h b/drivers/net/qla3xxx.h index 65da2c0bfda..ea94de7fd07 100644 --- a/drivers/net/qla3xxx.h +++ b/drivers/net/qla3xxx.h @@ -1186,8 +1186,8 @@ struct ql3_adapter { u32 numPorts; struct net_device_stats stats; struct workqueue_struct *workqueue; - struct work_struct reset_work; - struct work_struct tx_timeout_work; + struct delayed_work reset_work; + struct delayed_work tx_timeout_work; u32 max_frame_size; }; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 27f90b2139c..1f9663a7082 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -424,6 +424,7 @@ struct ring_info { struct rtl8169_private { void __iomem *mmio_addr; /* memory map physical address */ struct pci_dev *pci_dev; /* Index of PCI device */ + struct net_device *dev; struct net_device_stats stats; /* statistics of net device */ spinlock_t lock; /* spin lock flag */ u32 msg_enable; @@ -455,7 +456,7 @@ struct rtl8169_private { void (*phy_reset_enable)(void __iomem *); unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); - struct work_struct task; + struct delayed_work task; unsigned wol_enabled : 1; }; @@ -1492,6 +1493,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); tp = netdev_priv(dev); + tp->dev = dev; tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); /* enable device (incl. PCI PM wakeup and hotplug setup) */ @@ -1764,7 +1766,7 @@ static int rtl8169_open(struct net_device *dev) if (retval < 0) goto err_free_rx; - INIT_WORK(&tp->task, NULL, dev); + INIT_DELAYED_WORK(&tp->task, NULL); rtl8169_hw_start(dev); @@ -2087,11 +2089,11 @@ static void rtl8169_tx_clear(struct rtl8169_private *tp) tp->cur_tx = tp->dirty_tx = 0; } -static void rtl8169_schedule_work(struct net_device *dev, void (*task)(void *)) +static void rtl8169_schedule_work(struct net_device *dev, work_func_t task) { struct rtl8169_private *tp = netdev_priv(dev); - PREPARE_WORK(&tp->task, task, dev); + PREPARE_DELAYED_WORK(&tp->task, task); schedule_delayed_work(&tp->task, 4); } @@ -2110,9 +2112,11 @@ static void rtl8169_wait_for_quiescence(struct net_device *dev) netif_poll_enable(dev); } -static void rtl8169_reinit_task(void *_data) +static void rtl8169_reinit_task(struct work_struct *work) { - struct net_device *dev = _data; + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; int ret; if (netif_running(dev)) { @@ -2135,10 +2139,11 @@ static void rtl8169_reinit_task(void *_data) } } -static void rtl8169_reset_task(void *_data) +static void rtl8169_reset_task(struct work_struct *work) { - struct net_device *dev = _data; - struct rtl8169_private *tp = netdev_priv(dev); + struct rtl8169_private *tp = + container_of(work, struct rtl8169_private, task.work); + struct net_device *dev = tp->dev; if (!netif_running(dev)) return; diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 33569ec9dbf..250cdbeefdf 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -5872,9 +5872,9 @@ static void s2io_tasklet(unsigned long dev_addr) * Description: Sets the link status for the adapter */ -static void s2io_set_link(unsigned long data) +static void s2io_set_link(struct work_struct *work) { - nic_t *nic = (nic_t *) data; + nic_t *nic = container_of(work, nic_t, set_link_task); struct net_device *dev = nic->dev; XENA_dev_config_t __iomem *bar0 = nic->bar0; register u64 val64; @@ -6379,10 +6379,10 @@ static int s2io_card_up(nic_t * sp) * spin lock. */ -static void s2io_restart_nic(unsigned long data) +static void s2io_restart_nic(struct work_struct *work) { - struct net_device *dev = (struct net_device *) data; - nic_t *sp = dev->priv; + nic_t *sp = container_of(work, nic_t, rst_timer_task); + struct net_device *dev = sp->dev; s2io_card_down(sp); if (s2io_card_up(sp)) { @@ -6992,10 +6992,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) dev->tx_timeout = &s2io_tx_watchdog; dev->watchdog_timeo = WATCH_DOG_TIMEOUT; - INIT_WORK(&sp->rst_timer_task, - (void (*)(void *)) s2io_restart_nic, dev); - INIT_WORK(&sp->set_link_task, - (void (*)(void *)) s2io_set_link, sp); + INIT_WORK(&sp->rst_timer_task, s2io_restart_nic); + INIT_WORK(&sp->set_link_task, s2io_set_link); pci_save_state(sp->pdev); diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 12b719f4d00..3b0bafd273c 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -1000,7 +1000,7 @@ s2io_msix_fifo_handle(int irq, void *dev_id); static irqreturn_t s2io_isr(int irq, void *dev_id); static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag); static const struct ethtool_ops netdev_ethtool_ops; -static void s2io_set_link(unsigned long data); +static void s2io_set_link(struct work_struct *work); static int s2io_set_swapper(nic_t * sp); static void s2io_card_down(nic_t *nic); static int s2io_card_up(nic_t *nic); diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index aaba458584f..b70ed79d412 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -280,6 +280,7 @@ enum sis190_feature { struct sis190_private { void __iomem *mmio_addr; struct pci_dev *pci_dev; + struct net_device *dev; struct net_device_stats stats; spinlock_t lock; u32 rx_buf_sz; @@ -897,10 +898,11 @@ static void sis190_hw_start(struct net_device *dev) netif_start_queue(dev); } -static void sis190_phy_task(void * data) +static void sis190_phy_task(struct work_struct *work) { - struct net_device *dev = data; - struct sis190_private *tp = netdev_priv(dev); + struct sis190_private *tp = + container_of(work, struct sis190_private, phy_task); + struct net_device *dev = tp->dev; void __iomem *ioaddr = tp->mmio_addr; int phy_id = tp->mii_if.phy_id; u16 val; @@ -1047,7 +1049,7 @@ static int sis190_open(struct net_device *dev) if (rc < 0) goto err_free_rx_1; - INIT_WORK(&tp->phy_task, sis190_phy_task, dev); + INIT_WORK(&tp->phy_task, sis190_phy_task); sis190_request_timer(dev); @@ -1436,6 +1438,7 @@ static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev) SET_NETDEV_DEV(dev, &pdev->dev); tp = netdev_priv(dev); + tp->dev = dev; tp->msg_enable = netif_msg_init(debug.msg_enable, SIS190_MSG_DEFAULT); rc = pci_enable_device(pdev); @@ -1798,7 +1801,7 @@ static int __devinit sis190_init_one(struct pci_dev *pdev, sis190_init_rxfilter(dev); - INIT_WORK(&tp->phy_task, sis190_phy_task, dev); + INIT_WORK(&tp->phy_task, sis190_phy_task); dev->open = sis190_open; dev->stop = sis190_close; diff --git a/drivers/net/skge.c b/drivers/net/skge.c index b2949035f66..3b67614372a 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -1327,10 +1327,11 @@ static void xm_check_link(struct net_device *dev) * Since internal PHY is wired to a level triggered pin, can't * get an interrupt when carrier is detected. */ -static void xm_link_timer(void *arg) +static void xm_link_timer(struct work_struct *work) { - struct net_device *dev = arg; - struct skge_port *skge = netdev_priv(arg); + struct skge_port *skge = + container_of(work, struct skge_port, link_thread.work); + struct net_device *dev = skge->netdev; struct skge_hw *hw = skge->hw; int port = skge->port; @@ -3072,9 +3073,9 @@ static void skge_error_irq(struct skge_hw *hw) * because accessing phy registers requires spin wait which might * cause excess interrupt latency. */ -static void skge_extirq(void *arg) +static void skge_extirq(struct work_struct *work) { - struct skge_hw *hw = arg; + struct skge_hw *hw = container_of(work, struct skge_hw, phy_work); int port; mutex_lock(&hw->phy_mutex); @@ -3456,7 +3457,7 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, skge->port = port; /* Only used for Genesis XMAC */ - INIT_WORK(&skge->link_thread, xm_link_timer, dev); + INIT_DELAYED_WORK(&skge->link_thread, xm_link_timer); if (hw->chip_id != CHIP_ID_GENESIS) { dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; @@ -3543,7 +3544,7 @@ static int __devinit skge_probe(struct pci_dev *pdev, hw->pdev = pdev; mutex_init(&hw->phy_mutex); - INIT_WORK(&hw->phy_work, skge_extirq, hw); + INIT_WORK(&hw->phy_work, skge_extirq); spin_lock_init(&hw->hw_lock); hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); diff --git a/drivers/net/skge.h b/drivers/net/skge.h index 537c0aaa1db..23e5275d920 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -2456,7 +2456,7 @@ struct skge_port { struct net_device_stats net_stats; - struct work_struct link_thread; + struct delayed_work link_thread; enum pause_control flow_control; enum pause_status flow_status; u8 rx_csum; diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 418138dd6c6..f88fcac0e46 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1945,10 +1945,11 @@ spider_net_stop(struct net_device *netdev) * called as task when tx hangs, resets interface (if interface is up) */ static void -spider_net_tx_timeout_task(void *data) +spider_net_tx_timeout_task(struct work_struct *work) { - struct net_device *netdev = data; - struct spider_net_card *card = netdev_priv(netdev); + struct spider_net_card *card = + container_of(work, struct spider_net_card, tx_timeout_task); + struct net_device *netdev = card->netdev; if (!(netdev->flags & IFF_UP)) goto out; @@ -2122,7 +2123,7 @@ spider_net_alloc_card(void) card = netdev_priv(netdev); card->netdev = netdev; card->msg_enable = SPIDER_NET_DEFAULT_MSG; - INIT_WORK(&card->tx_timeout_task, spider_net_tx_timeout_task, netdev); + INIT_WORK(&card->tx_timeout_task, spider_net_tx_timeout_task); init_waitqueue_head(&card->waitq); atomic_set(&card->tx_timeout_task_counter, 0); diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 253e96e7ad2..004d651681a 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2281,9 +2281,9 @@ static void gem_do_stop(struct net_device *dev, int wol) } } -static void gem_reset_task(void *data) +static void gem_reset_task(struct work_struct *work) { - struct gem *gp = (struct gem *) data; + struct gem *gp = container_of(work, struct gem, reset_task); mutex_lock(&gp->pm_mutex); @@ -3043,7 +3043,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev, gp->link_timer.function = gem_link_timer; gp->link_timer.data = (unsigned long) gp; - INIT_WORK(&gp->reset_task, gem_reset_task, gp); + INIT_WORK(&gp->reset_task, gem_reset_task); gp->lstate = link_down; gp->timer_ticks = 0; diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index c20bb998e0e..d9123c9adc1 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3654,9 +3654,9 @@ static void tg3_poll_controller(struct net_device *dev) } #endif -static void tg3_reset_task(void *_data) +static void tg3_reset_task(struct work_struct *work) { - struct tg3 *tp = _data; + struct tg3 *tp = container_of(work, struct tg3, reset_task); unsigned int restart_timer; tg3_full_lock(tp, 0); @@ -11734,7 +11734,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, #endif spin_lock_init(&tp->lock); spin_lock_init(&tp->indirect_lock); - INIT_WORK(&tp->reset_task, tg3_reset_task, tp); + INIT_WORK(&tp->reset_task, tg3_reset_task); tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len); if (tp->regs == 0UL) { diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index e14f5a00f65..f85f0025112 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -296,6 +296,7 @@ static void TLan_SetMulticastList( struct net_device *); static int TLan_ioctl( struct net_device *dev, struct ifreq *rq, int cmd); static int TLan_probe1( struct pci_dev *pdev, long ioaddr, int irq, int rev, const struct pci_device_id *ent); static void TLan_tx_timeout( struct net_device *dev); +static void TLan_tx_timeout_work(struct work_struct *work); static int tlan_init_one( struct pci_dev *pdev, const struct pci_device_id *ent); static u32 TLan_HandleInvalid( struct net_device *, u16 ); @@ -562,6 +563,7 @@ static int __devinit TLan_probe1(struct pci_dev *pdev, priv = netdev_priv(dev); priv->pciDev = pdev; + priv->dev = dev; /* Is this a PCI device? */ if (pdev) { @@ -634,7 +636,7 @@ static int __devinit TLan_probe1(struct pci_dev *pdev, /* This will be used when we get an adapter error from * within our irq handler */ - INIT_WORK(&priv->tlan_tqueue, (void *)(void*)TLan_tx_timeout, dev); + INIT_WORK(&priv->tlan_tqueue, TLan_tx_timeout_work); spin_lock_init(&priv->lock); @@ -1040,6 +1042,25 @@ static void TLan_tx_timeout(struct net_device *dev) } + /*************************************************************** + * TLan_tx_timeout_work + * + * Returns: nothing + * + * Params: + * work work item of device which timed out + * + **************************************************************/ + +static void TLan_tx_timeout_work(struct work_struct *work) +{ + TLanPrivateInfo *priv = + container_of(work, TLanPrivateInfo, tlan_tqueue); + + TLan_tx_timeout(priv->dev); +} + + /*************************************************************** * TLan_StartTx diff --git a/drivers/net/tlan.h b/drivers/net/tlan.h index a44e2f2ef62..41ce0b66593 100644 --- a/drivers/net/tlan.h +++ b/drivers/net/tlan.h @@ -170,6 +170,7 @@ typedef u8 TLanBuffer[TLAN_MAX_FRAME_SIZE]; typedef struct tlan_private_tag { struct net_device *nextDevice; struct pci_dev *pciDev; + struct net_device *dev; void *dmaStorage; dma_addr_t dmaStorageDMA; unsigned int dmaSize; diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c index fa3a2bb105a..942b839ccc5 100644 --- a/drivers/net/tulip/21142.c +++ b/drivers/net/tulip/21142.c @@ -26,10 +26,11 @@ static u16 t21142_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, }; /* Handle the 21143 uniquely: do autoselect with NWay, not the EEPROM list of available transceivers. */ -void t21142_media_task(void *data) +void t21142_media_task(struct work_struct *work) { - struct net_device *dev = data; - struct tulip_private *tp = netdev_priv(dev); + struct tulip_private *tp = + container_of(work, struct tulip_private, media_work); + struct net_device *dev = tp->dev; void __iomem *ioaddr = tp->base_addr; int csr12 = ioread32(ioaddr + CSR12); int next_tick = 60*HZ; diff --git a/drivers/net/tulip/timer.c b/drivers/net/tulip/timer.c index 066e5d6bcbd..df326fe1cc8 100644 --- a/drivers/net/tulip/timer.c +++ b/drivers/net/tulip/timer.c @@ -18,10 +18,11 @@ #include "tulip.h" -void tulip_media_task(void *data) +void tulip_media_task(struct work_struct *work) { - struct net_device *dev = data; - struct tulip_private *tp = netdev_priv(dev); + struct tulip_private *tp = + container_of(work, struct tulip_private, media_work); + struct net_device *dev = tp->dev; void __iomem *ioaddr = tp->base_addr; u32 csr12 = ioread32(ioaddr + CSR12); int next_tick = 2*HZ; diff --git a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h index ad107f45c7b..25f25da7691 100644 --- a/drivers/net/tulip/tulip.h +++ b/drivers/net/tulip/tulip.h @@ -44,7 +44,7 @@ struct tulip_chip_table { int valid_intrs; /* CSR7 interrupt enable settings */ int flags; void (*media_timer) (unsigned long); - void (*media_task) (void *); + work_func_t media_task; }; @@ -392,6 +392,7 @@ struct tulip_private { int csr12_shadow; int pad0; /* Used for 8-byte alignment */ struct work_struct media_work; + struct net_device *dev; }; @@ -406,7 +407,7 @@ struct eeprom_fixup { /* 21142.c */ extern u16 t21142_csr14[]; -void t21142_media_task(void *data); +void t21142_media_task(struct work_struct *work); void t21142_start_nway(struct net_device *dev); void t21142_lnk_change(struct net_device *dev, int csr5); @@ -444,7 +445,7 @@ void pnic_lnk_change(struct net_device *dev, int csr5); void pnic_timer(unsigned long data); /* timer.c */ -void tulip_media_task(void *data); +void tulip_media_task(struct work_struct *work); void mxic_timer(unsigned long data); void comet_timer(unsigned long data); diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index 0aee618f883..5a35354aa52 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1367,6 +1367,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, * it is zeroed and aligned in alloc_etherdev */ tp = netdev_priv(dev); + tp->dev = dev; tp->rx_ring = pci_alloc_consistent(pdev, sizeof(struct tulip_rx_desc) * RX_RING_SIZE + @@ -1389,7 +1390,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, tp->timer.data = (unsigned long)dev; tp->timer.function = tulip_tbl[tp->chip_id].media_timer; - INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task, dev); + INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task); dev->base_addr = (unsigned long)ioaddr; diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index 931cbdf6d79..b2a23aed442 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -125,8 +125,8 @@ static int cpc_tty_write_room(struct tty_struct *tty); static int cpc_tty_chars_in_buffer(struct tty_struct *tty); static void cpc_tty_flush_buffer(struct tty_struct *tty); static void cpc_tty_hangup(struct tty_struct *tty); -static void cpc_tty_rx_work(void *data); -static void cpc_tty_tx_work(void *data); +static void cpc_tty_rx_work(struct work_struct *work); +static void cpc_tty_tx_work(struct work_struct *work); static int cpc_tty_send_to_card(pc300dev_t *dev,void *buf, int len); static void cpc_tty_trace(pc300dev_t *dev, char* buf, int len, char rxtx); static void cpc_tty_signal_off(pc300dev_t *pc300dev, unsigned char); @@ -261,8 +261,8 @@ void cpc_tty_init(pc300dev_t *pc300dev) cpc_tty->tty_minor = port + CPC_TTY_MINOR_START; cpc_tty->pc300dev = pc300dev; - INIT_WORK(&cpc_tty->tty_tx_work, cpc_tty_tx_work, (void *)cpc_tty); - INIT_WORK(&cpc_tty->tty_rx_work, cpc_tty_rx_work, (void *)port); + INIT_WORK(&cpc_tty->tty_tx_work, cpc_tty_tx_work); + INIT_WORK(&cpc_tty->tty_rx_work, cpc_tty_rx_work); cpc_tty->buf_rx.first = cpc_tty->buf_rx.last = NULL; @@ -659,21 +659,23 @@ static void cpc_tty_hangup(struct tty_struct *tty) * o call the line disc. read * o free memory */ -static void cpc_tty_rx_work(void * data) +static void cpc_tty_rx_work(struct work_struct *work) { + st_cpc_tty_area *cpc_tty; unsigned long port; int i, j; - st_cpc_tty_area *cpc_tty; volatile st_cpc_rx_buf *buf; char flags=0,flg_rx=1; struct tty_ldisc *ld; if (cpc_tty_cnt == 0) return; - for (i=0; (i < 4) && flg_rx ; i++) { flg_rx = 0; - port = (unsigned long)data; + + cpc_tty = container_of(work, st_cpc_tty_area, tty_rx_work); + port = cpc_tty - cpc_tty_area; + for (j=0; j < CPC_TTY_NPORTS; j++) { cpc_tty = &cpc_tty_area[port]; @@ -882,9 +884,10 @@ void cpc_tty_receive(pc300dev_t *pc300dev) * o if need call line discipline wakeup * o call wake_up_interruptible */ -static void cpc_tty_tx_work(void *data) +static void cpc_tty_tx_work(struct work_struct *work) { - st_cpc_tty_area *cpc_tty = (st_cpc_tty_area *) data; + st_cpc_tty_area *cpc_tty = + container_of(work, st_cpc_tty_area, tty_tx_work); struct tty_struct *tty; CPC_TTY_DBG("%s: cpc_tty_tx_work init\n",cpc_tty->name); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index d6a8bf09878..fbc0c087f53 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -787,7 +787,7 @@ struct bcm43xx_private { struct tasklet_struct isr_tasklet; /* Periodic tasks */ - struct work_struct periodic_work; + struct delayed_work periodic_work; unsigned int periodic_state; struct work_struct restart_work; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index a1b783813d8..728a9b789fd 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -3177,9 +3177,10 @@ static int estimate_periodic_work_badness(unsigned int state) return badness; } -static void bcm43xx_periodic_work_handler(void *d) +static void bcm43xx_periodic_work_handler(struct work_struct *work) { - struct bcm43xx_private *bcm = d; + struct bcm43xx_private *bcm = + container_of(work, struct bcm43xx_private, periodic_work.work); struct net_device *net_dev = bcm->net_dev; unsigned long flags; u32 savedirqs = 0; @@ -3242,11 +3243,11 @@ void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) { - struct work_struct *work = &(bcm->periodic_work); + struct delayed_work *work = &bcm->periodic_work; assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - INIT_WORK(work, bcm43xx_periodic_work_handler, bcm); - schedule_work(work); + INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler); + schedule_delayed_work(work, 0); } static void bcm43xx_security_init(struct bcm43xx_private *bcm) @@ -3598,7 +3599,7 @@ static int bcm43xx_init_board(struct bcm43xx_private *bcm) bcm43xx_periodic_tasks_setup(bcm); /*FIXME: This should be handled by softmac instead. */ - schedule_work(&bcm->softmac->associnfo.work); + schedule_delayed_work(&bcm->softmac->associnfo.work, 0); out: mutex_unlock(&(bcm)->mutex); @@ -4149,9 +4150,10 @@ static void __devexit bcm43xx_remove_one(struct pci_dev *pdev) /* Hard-reset the chip. Do not call this directly. * Use bcm43xx_controller_restart() */ -static void bcm43xx_chip_reset(void *_bcm) +static void bcm43xx_chip_reset(struct work_struct *work) { - struct bcm43xx_private *bcm = _bcm; + struct bcm43xx_private *bcm = + container_of(work, struct bcm43xx_private, restart_work); struct bcm43xx_phyinfo *phy; int err = -ENODEV; @@ -4178,7 +4180,7 @@ void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) return; printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); - INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset, bcm); + INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset); schedule_work(&bcm->restart_work); } diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h index e663518bd57..e89c890d16f 100644 --- a/drivers/net/wireless/hostap/hostap.h +++ b/drivers/net/wireless/hostap/hostap.h @@ -35,7 +35,7 @@ int hostap_80211_get_hdrlen(u16 fc); struct net_device_stats *hostap_get_stats(struct net_device *dev); void hostap_setup_dev(struct net_device *dev, local_info_t *local, int main_dev); -void hostap_set_multicast_list_queue(void *data); +void hostap_set_multicast_list_queue(struct work_struct *work); int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked); int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked); void hostap_cleanup(local_info_t *local); diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index ba13125024c..08bc57a4b89 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -49,10 +49,10 @@ MODULE_PARM_DESC(autom_ap_wds, "Add WDS connections to other APs " static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta); static void hostap_event_expired_sta(struct net_device *dev, struct sta_info *sta); -static void handle_add_proc_queue(void *data); +static void handle_add_proc_queue(struct work_struct *work); #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static void handle_wds_oper_queue(void *data); +static void handle_wds_oper_queue(struct work_struct *work); static void prism2_send_mgmt(struct net_device *dev, u16 type_subtype, char *body, int body_len, u8 *addr, u16 tx_cb_idx); @@ -807,7 +807,7 @@ void hostap_init_data(local_info_t *local) INIT_LIST_HEAD(&ap->sta_list); /* Initialize task queue structure for AP management */ - INIT_WORK(&local->ap->add_sta_proc_queue, handle_add_proc_queue, ap); + INIT_WORK(&local->ap->add_sta_proc_queue, handle_add_proc_queue); ap->tx_callback_idx = hostap_tx_callback_register(local, hostap_ap_tx_cb, ap); @@ -815,7 +815,7 @@ void hostap_init_data(local_info_t *local) printk(KERN_WARNING "%s: failed to register TX callback for " "AP\n", local->dev->name); #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - INIT_WORK(&local->ap->wds_oper_queue, handle_wds_oper_queue, local); + INIT_WORK(&local->ap->wds_oper_queue, handle_wds_oper_queue); ap->tx_callback_auth = hostap_tx_callback_register(local, hostap_ap_tx_cb_auth, ap); @@ -1062,9 +1062,10 @@ static int prism2_sta_proc_read(char *page, char **start, off_t off, } -static void handle_add_proc_queue(void *data) +static void handle_add_proc_queue(struct work_struct *work) { - struct ap_data *ap = (struct ap_data *) data; + struct ap_data *ap = container_of(work, struct ap_data, + add_sta_proc_queue); struct sta_info *sta; char name[20]; struct add_sta_proc_data *entry, *prev; @@ -1952,9 +1953,11 @@ static void handle_pspoll(local_info_t *local, #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static void handle_wds_oper_queue(void *data) +static void handle_wds_oper_queue(struct work_struct *work) { - local_info_t *local = data; + struct ap_data *ap = container_of(work, struct ap_data, + wds_oper_queue); + local_info_t *local = ap->local; struct wds_oper_data *entry, *prev; spin_lock_bh(&local->lock); diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index ed00ebb6e7f..c19e68636a1 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -1645,9 +1645,9 @@ static void prism2_schedule_reset(local_info_t *local) /* Called only as scheduled task after noticing card timeout in interrupt * context */ -static void handle_reset_queue(void *data) +static void handle_reset_queue(struct work_struct *work) { - local_info_t *local = (local_info_t *) data; + local_info_t *local = container_of(work, local_info_t, reset_queue); printk(KERN_DEBUG "%s: scheduled card reset\n", local->dev->name); prism2_hw_reset(local->dev); @@ -2896,9 +2896,10 @@ static void hostap_passive_scan(unsigned long data) /* Called only as a scheduled task when communications quality values should * be updated. */ -static void handle_comms_qual_update(void *data) +static void handle_comms_qual_update(struct work_struct *work) { - local_info_t *local = data; + local_info_t *local = + container_of(work, local_info_t, comms_qual_update); prism2_update_comms_qual(local->dev); } @@ -3050,9 +3051,9 @@ static int prism2_set_tim(struct net_device *dev, int aid, int set) } -static void handle_set_tim_queue(void *data) +static void handle_set_tim_queue(struct work_struct *work) { - local_info_t *local = (local_info_t *) data; + local_info_t *local = container_of(work, local_info_t, set_tim_queue); struct set_tim_data *entry; u16 val; @@ -3209,15 +3210,15 @@ prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, local->scan_channel_mask = 0xffff; /* Initialize task queue structures */ - INIT_WORK(&local->reset_queue, handle_reset_queue, local); + INIT_WORK(&local->reset_queue, handle_reset_queue); INIT_WORK(&local->set_multicast_list_queue, - hostap_set_multicast_list_queue, local->dev); + hostap_set_multicast_list_queue); - INIT_WORK(&local->set_tim_queue, handle_set_tim_queue, local); + INIT_WORK(&local->set_tim_queue, handle_set_tim_queue); INIT_LIST_HEAD(&local->set_tim_list); spin_lock_init(&local->set_tim_lock); - INIT_WORK(&local->comms_qual_update, handle_comms_qual_update, local); + INIT_WORK(&local->comms_qual_update, handle_comms_qual_update); /* Initialize tasklets for handling hardware IRQ related operations * outside hw IRQ handler */ diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c index 50f72d831cf..5fd2b1ad7f5 100644 --- a/drivers/net/wireless/hostap/hostap_info.c +++ b/drivers/net/wireless/hostap/hostap_info.c @@ -474,9 +474,9 @@ static void handle_info_queue_scanresults(local_info_t *local) /* Called only as scheduled task after receiving info frames (used to avoid * pending too much time in HW IRQ handler). */ -static void handle_info_queue(void *data) +static void handle_info_queue(struct work_struct *work) { - local_info_t *local = (local_info_t *) data; + local_info_t *local = container_of(work, local_info_t, info_queue); if (test_and_clear_bit(PRISM2_INFO_PENDING_LINKSTATUS, &local->pending_info)) @@ -493,7 +493,7 @@ void hostap_info_init(local_info_t *local) { skb_queue_head_init(&local->info_list); #ifndef PRISM2_NO_STATION_MODES - INIT_WORK(&local->info_queue, handle_info_queue, local); + INIT_WORK(&local->info_queue, handle_info_queue); #endif /* PRISM2_NO_STATION_MODES */ } diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 53374fcba77..0796be9d9e7 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -767,14 +767,14 @@ static int prism2_set_mac_address(struct net_device *dev, void *p) /* TODO: to be further implemented as soon as Prism2 fully supports * GroupAddresses and correct documentation is available */ -void hostap_set_multicast_list_queue(void *data) +void hostap_set_multicast_list_queue(struct work_struct *work) { - struct net_device *dev = (struct net_device *) data; + local_info_t *local = + container_of(work, local_info_t, set_multicast_list_queue); + struct net_device *dev = local->dev; struct hostap_interface *iface; - local_info_t *local; iface = netdev_priv(dev); - local = iface->local; if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, local->is_promisc)) { printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 4e4eaa2a99c..0f554373a60 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -316,7 +316,7 @@ static void ipw2100_release_firmware(struct ipw2100_priv *priv, struct ipw2100_fw *fw); static int ipw2100_ucode_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw); -static void ipw2100_wx_event_work(struct ipw2100_priv *priv); +static void ipw2100_wx_event_work(struct work_struct *work); static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev); static struct iw_handler_def ipw2100_wx_handler_def; @@ -679,7 +679,8 @@ static void schedule_reset(struct ipw2100_priv *priv) queue_delayed_work(priv->workqueue, &priv->reset_work, priv->reset_backoff * HZ); else - queue_work(priv->workqueue, &priv->reset_work); + queue_delayed_work(priv->workqueue, &priv->reset_work, + 0); if (priv->reset_backoff < MAX_RESET_BACKOFF) priv->reset_backoff++; @@ -1873,8 +1874,10 @@ static void ipw2100_down(struct ipw2100_priv *priv) netif_stop_queue(priv->net_dev); } -static void ipw2100_reset_adapter(struct ipw2100_priv *priv) +static void ipw2100_reset_adapter(struct work_struct *work) { + struct ipw2100_priv *priv = + container_of(work, struct ipw2100_priv, reset_work.work); unsigned long flags; union iwreq_data wrqu = { .ap_addr = { @@ -2071,9 +2074,9 @@ static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status) return; if (priv->status & STATUS_SECURITY_UPDATED) - queue_work(priv->workqueue, &priv->security_work); + queue_delayed_work(priv->workqueue, &priv->security_work, 0); - queue_work(priv->workqueue, &priv->wx_event_work); + queue_delayed_work(priv->workqueue, &priv->wx_event_work, 0); } static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status) @@ -5524,8 +5527,11 @@ static int ipw2100_configure_security(struct ipw2100_priv *priv, int batch_mode) return err; } -static void ipw2100_security_work(struct ipw2100_priv *priv) +static void ipw2100_security_work(struct work_struct *work) { + struct ipw2100_priv *priv = + container_of(work, struct ipw2100_priv, security_work.work); + /* If we happen to have reconnected before we get a chance to * process this, then update the security settings--which causes * a disassociation to occur */ @@ -5748,7 +5754,7 @@ static int ipw2100_set_address(struct net_device *dev, void *p) priv->reset_backoff = 0; mutex_unlock(&priv->action_mutex); - ipw2100_reset_adapter(priv); + ipw2100_reset_adapter(&priv->reset_work.work); return 0; done: @@ -5923,9 +5929,10 @@ static const struct ethtool_ops ipw2100_ethtool_ops = { .get_drvinfo = ipw_ethtool_get_drvinfo, }; -static void ipw2100_hang_check(void *adapter) +static void ipw2100_hang_check(struct work_struct *work) { - struct ipw2100_priv *priv = adapter; + struct ipw2100_priv *priv = + container_of(work, struct ipw2100_priv, hang_check.work); unsigned long flags; u32 rtc = 0xa5a5a5a5; u32 len = sizeof(rtc); @@ -5965,9 +5972,10 @@ static void ipw2100_hang_check(void *adapter) spin_unlock_irqrestore(&priv->low_lock, flags); } -static void ipw2100_rf_kill(void *adapter) +static void ipw2100_rf_kill(struct work_struct *work) { - struct ipw2100_priv *priv = adapter; + struct ipw2100_priv *priv = + container_of(work, struct ipw2100_priv, rf_kill.work); unsigned long flags; spin_lock_irqsave(&priv->low_lock, flags); @@ -6117,14 +6125,11 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, priv->workqueue = create_workqueue(DRV_NAME); - INIT_WORK(&priv->reset_work, - (void (*)(void *))ipw2100_reset_adapter, priv); - INIT_WORK(&priv->security_work, - (void (*)(void *))ipw2100_security_work, priv); - INIT_WORK(&priv->wx_event_work, - (void (*)(void *))ipw2100_wx_event_work, priv); - INIT_WORK(&priv->hang_check, ipw2100_hang_check, priv); - INIT_WORK(&priv->rf_kill, ipw2100_rf_kill, priv); + INIT_DELAYED_WORK(&priv->reset_work, ipw2100_reset_adapter); + INIT_DELAYED_WORK(&priv->security_work, ipw2100_security_work); + INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work); + INIT_DELAYED_WORK(&priv->hang_check, ipw2100_hang_check); + INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill); tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) ipw2100_irq_tasklet, (unsigned long)priv); @@ -8290,8 +8295,10 @@ static struct iw_handler_def ipw2100_wx_handler_def = { .get_wireless_stats = ipw2100_wx_wireless_stats, }; -static void ipw2100_wx_event_work(struct ipw2100_priv *priv) +static void ipw2100_wx_event_work(struct work_struct *work) { + struct ipw2100_priv *priv = + container_of(work, struct ipw2100_priv, wx_event_work.work); union iwreq_data wrqu; int len = ETH_ALEN; diff --git a/drivers/net/wireless/ipw2100.h b/drivers/net/wireless/ipw2100.h index 55b7227198d..de7d384d38a 100644 --- a/drivers/net/wireless/ipw2100.h +++ b/drivers/net/wireless/ipw2100.h @@ -583,11 +583,11 @@ struct ipw2100_priv { struct tasklet_struct irq_tasklet; struct workqueue_struct *workqueue; - struct work_struct reset_work; - struct work_struct security_work; - struct work_struct wx_event_work; - struct work_struct hang_check; - struct work_struct rf_kill; + struct delayed_work reset_work; + struct delayed_work security_work; + struct delayed_work wx_event_work; + struct delayed_work hang_check; + struct delayed_work rf_kill; u32 interrupts; int tx_interrupts; diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 1f742814a01..587a0918fa5 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -187,9 +187,9 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *); static void ipw_rx_queue_free(struct ipw_priv *, struct ipw_rx_queue *); static void ipw_rx_queue_replenish(void *); static int ipw_up(struct ipw_priv *); -static void ipw_bg_up(void *); +static void ipw_bg_up(struct work_struct *work); static void ipw_down(struct ipw_priv *); -static void ipw_bg_down(void *); +static void ipw_bg_down(struct work_struct *work); static int ipw_config(struct ipw_priv *); static int init_supported_rates(struct ipw_priv *priv, struct ipw_supported_rates *prates); @@ -862,11 +862,12 @@ static void ipw_led_link_on(struct ipw_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static void ipw_bg_led_link_on(void *data) +static void ipw_bg_led_link_on(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, led_link_on.work); mutex_lock(&priv->mutex); - ipw_led_link_on(data); + ipw_led_link_on(priv); mutex_unlock(&priv->mutex); } @@ -906,11 +907,12 @@ static void ipw_led_link_off(struct ipw_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static void ipw_bg_led_link_off(void *data) +static void ipw_bg_led_link_off(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, led_link_off.work); mutex_lock(&priv->mutex); - ipw_led_link_off(data); + ipw_led_link_off(priv); mutex_unlock(&priv->mutex); } @@ -985,11 +987,12 @@ static void ipw_led_activity_off(struct ipw_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } -static void ipw_bg_led_activity_off(void *data) +static void ipw_bg_led_activity_off(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, led_act_off.work); mutex_lock(&priv->mutex); - ipw_led_activity_off(data); + ipw_led_activity_off(priv); mutex_unlock(&priv->mutex); } @@ -2228,11 +2231,12 @@ static void ipw_adapter_restart(void *adapter) } } -static void ipw_bg_adapter_restart(void *data) +static void ipw_bg_adapter_restart(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, adapter_restart); mutex_lock(&priv->mutex); - ipw_adapter_restart(data); + ipw_adapter_restart(priv); mutex_unlock(&priv->mutex); } @@ -2249,11 +2253,12 @@ static void ipw_scan_check(void *data) } } -static void ipw_bg_scan_check(void *data) +static void ipw_bg_scan_check(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, scan_check.work); mutex_lock(&priv->mutex); - ipw_scan_check(data); + ipw_scan_check(priv); mutex_unlock(&priv->mutex); } @@ -3831,17 +3836,19 @@ static int ipw_disassociate(void *data) return 1; } -static void ipw_bg_disassociate(void *data) +static void ipw_bg_disassociate(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, disassociate); mutex_lock(&priv->mutex); - ipw_disassociate(data); + ipw_disassociate(priv); mutex_unlock(&priv->mutex); } -static void ipw_system_config(void *data) +static void ipw_system_config(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, system_config); #ifdef CONFIG_IPW2200_PROMISCUOUS if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) { @@ -4208,11 +4215,12 @@ static void ipw_gather_stats(struct ipw_priv *priv) IPW_STATS_INTERVAL); } -static void ipw_bg_gather_stats(void *data) +static void ipw_bg_gather_stats(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, gather_stats.work); mutex_lock(&priv->mutex); - ipw_gather_stats(data); + ipw_gather_stats(priv); mutex_unlock(&priv->mutex); } @@ -4268,8 +4276,8 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv, if (!(priv->status & STATUS_ROAMING)) { priv->status |= STATUS_ROAMING; if (!(priv->status & STATUS_SCANNING)) - queue_work(priv->workqueue, - &priv->request_scan); + queue_delayed_work(priv->workqueue, + &priv->request_scan, 0); } return; } @@ -4607,8 +4615,8 @@ static void ipw_rx_notification(struct ipw_priv *priv, #ifdef CONFIG_IPW2200_MONITOR if (priv->ieee->iw_mode == IW_MODE_MONITOR) { priv->status |= STATUS_SCAN_FORCED; - queue_work(priv->workqueue, - &priv->request_scan); + queue_delayed_work(priv->workqueue, + &priv->request_scan, 0); break; } priv->status &= ~STATUS_SCAN_FORCED; @@ -4631,8 +4639,8 @@ static void ipw_rx_notification(struct ipw_priv *priv, /* Don't schedule if we aborted the scan */ priv->status &= ~STATUS_ROAMING; } else if (priv->status & STATUS_SCAN_PENDING) - queue_work(priv->workqueue, - &priv->request_scan); + queue_delayed_work(priv->workqueue, + &priv->request_scan, 0); else if (priv->config & CFG_BACKGROUND_SCAN && priv->status & STATUS_ASSOCIATED) queue_delayed_work(priv->workqueue, @@ -5055,11 +5063,12 @@ static void ipw_rx_queue_replenish(void *data) ipw_rx_queue_restock(priv); } -static void ipw_bg_rx_queue_replenish(void *data) +static void ipw_bg_rx_queue_replenish(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, rx_replenish); mutex_lock(&priv->mutex); - ipw_rx_queue_replenish(data); + ipw_rx_queue_replenish(priv); mutex_unlock(&priv->mutex); } @@ -5489,9 +5498,10 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv, return 1; } -static void ipw_merge_adhoc_network(void *data) +static void ipw_merge_adhoc_network(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, merge_networks); struct ieee80211_network *network = NULL; struct ipw_network_match match = { .network = priv->assoc_network @@ -5948,11 +5958,12 @@ static void ipw_adhoc_check(void *data) priv->assoc_request.beacon_interval); } -static void ipw_bg_adhoc_check(void *data) +static void ipw_bg_adhoc_check(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, adhoc_check.work); mutex_lock(&priv->mutex); - ipw_adhoc_check(data); + ipw_adhoc_check(priv); mutex_unlock(&priv->mutex); } @@ -6299,19 +6310,26 @@ done: return err; } -static int ipw_request_passive_scan(struct ipw_priv *priv) { - return ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE); +static void ipw_request_passive_scan(struct work_struct *work) +{ + struct ipw_priv *priv = + container_of(work, struct ipw_priv, request_passive_scan); + ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE); } -static int ipw_request_scan(struct ipw_priv *priv) { - return ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE); +static void ipw_request_scan(struct work_struct *work) +{ + struct ipw_priv *priv = + container_of(work, struct ipw_priv, request_scan.work); + ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE); } -static void ipw_bg_abort_scan(void *data) +static void ipw_bg_abort_scan(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, abort_scan); mutex_lock(&priv->mutex); - ipw_abort_scan(data); + ipw_abort_scan(priv); mutex_unlock(&priv->mutex); } @@ -7084,9 +7102,10 @@ static int ipw_qos_set_tx_queue_command(struct ipw_priv *priv, /* * background support to run QoS activate functionality */ -static void ipw_bg_qos_activate(void *data) +static void ipw_bg_qos_activate(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, qos_activate); if (priv == NULL) return; @@ -7394,11 +7413,12 @@ static void ipw_roam(void *data) priv->status &= ~STATUS_ROAMING; } -static void ipw_bg_roam(void *data) +static void ipw_bg_roam(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, roam); mutex_lock(&priv->mutex); - ipw_roam(data); + ipw_roam(priv); mutex_unlock(&priv->mutex); } @@ -7479,8 +7499,8 @@ static int ipw_associate(void *data) &priv->request_scan, SCAN_INTERVAL); else - queue_work(priv->workqueue, - &priv->request_scan); + queue_delayed_work(priv->workqueue, + &priv->request_scan, 0); } return 0; @@ -7491,11 +7511,12 @@ static int ipw_associate(void *data) return 1; } -static void ipw_bg_associate(void *data) +static void ipw_bg_associate(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, associate); mutex_lock(&priv->mutex); - ipw_associate(data); + ipw_associate(priv); mutex_unlock(&priv->mutex); } @@ -9410,7 +9431,7 @@ static int ipw_wx_set_scan(struct net_device *dev, IPW_DEBUG_WX("Start scan\n"); - queue_work(priv->workqueue, &priv->request_scan); + queue_delayed_work(priv->workqueue, &priv->request_scan, 0); return 0; } @@ -10547,11 +10568,12 @@ static void ipw_rf_kill(void *adapter) spin_unlock_irqrestore(&priv->lock, flags); } -static void ipw_bg_rf_kill(void *data) +static void ipw_bg_rf_kill(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, rf_kill.work); mutex_lock(&priv->mutex); - ipw_rf_kill(data); + ipw_rf_kill(priv); mutex_unlock(&priv->mutex); } @@ -10582,11 +10604,12 @@ static void ipw_link_up(struct ipw_priv *priv) queue_delayed_work(priv->workqueue, &priv->request_scan, HZ); } -static void ipw_bg_link_up(void *data) +static void ipw_bg_link_up(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, link_up); mutex_lock(&priv->mutex); - ipw_link_up(data); + ipw_link_up(priv); mutex_unlock(&priv->mutex); } @@ -10606,15 +10629,16 @@ static void ipw_link_down(struct ipw_priv *priv) if (!(priv->status & STATUS_EXIT_PENDING)) { /* Queue up another scan... */ - queue_work(priv->workqueue, &priv->request_scan); + queue_delayed_work(priv->workqueue, &priv->request_scan, 0); } } -static void ipw_bg_link_down(void *data) +static void ipw_bg_link_down(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, link_down); mutex_lock(&priv->mutex); - ipw_link_down(data); + ipw_link_down(priv); mutex_unlock(&priv->mutex); } @@ -10626,38 +10650,30 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv) init_waitqueue_head(&priv->wait_command_queue); init_waitqueue_head(&priv->wait_state); - INIT_WORK(&priv->adhoc_check, ipw_bg_adhoc_check, priv); - INIT_WORK(&priv->associate, ipw_bg_associate, priv); - INIT_WORK(&priv->disassociate, ipw_bg_disassociate, priv); - INIT_WORK(&priv->system_config, ipw_system_config, priv); - INIT_WORK(&priv->rx_replenish, ipw_bg_rx_queue_replenish, priv); - INIT_WORK(&priv->adapter_restart, ipw_bg_adapter_restart, priv); - INIT_WORK(&priv->rf_kill, ipw_bg_rf_kill, priv); - INIT_WORK(&priv->up, (void (*)(void *))ipw_bg_up, priv); - INIT_WORK(&priv->down, (void (*)(void *))ipw_bg_down, priv); - INIT_WORK(&priv->request_scan, - (void (*)(void *))ipw_request_scan, priv); - INIT_WORK(&priv->request_passive_scan, - (void (*)(void *))ipw_request_passive_scan, priv); - INIT_WORK(&priv->gather_stats, - (void (*)(void *))ipw_bg_gather_stats, priv); - INIT_WORK(&priv->abort_scan, (void (*)(void *))ipw_bg_abort_scan, priv); - INIT_WORK(&priv->roam, ipw_bg_roam, priv); - INIT_WORK(&priv->scan_check, ipw_bg_scan_check, priv); - INIT_WORK(&priv->link_up, (void (*)(void *))ipw_bg_link_up, priv); - INIT_WORK(&priv->link_down, (void (*)(void *))ipw_bg_link_down, priv); - INIT_WORK(&priv->led_link_on, (void (*)(void *))ipw_bg_led_link_on, - priv); - INIT_WORK(&priv->led_link_off, (void (*)(void *))ipw_bg_led_link_off, - priv); - INIT_WORK(&priv->led_act_off, (void (*)(void *))ipw_bg_led_activity_off, - priv); - INIT_WORK(&priv->merge_networks, - (void (*)(void *))ipw_merge_adhoc_network, priv); + INIT_DELAYED_WORK(&priv->adhoc_check, ipw_bg_adhoc_check); + INIT_WORK(&priv->associate, ipw_bg_associate); + INIT_WORK(&priv->disassociate, ipw_bg_disassociate); + INIT_WORK(&priv->system_config, ipw_system_config); + INIT_WORK(&priv->rx_replenish, ipw_bg_rx_queue_replenish); + INIT_WORK(&priv->adapter_restart, ipw_bg_adapter_restart); + INIT_DELAYED_WORK(&priv->rf_kill, ipw_bg_rf_kill); + INIT_WORK(&priv->up, ipw_bg_up); + INIT_WORK(&priv->down, ipw_bg_down); + INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan); + INIT_WORK(&priv->request_passive_scan, ipw_request_passive_scan); + INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats); + INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan); + INIT_WORK(&priv->roam, ipw_bg_roam); + INIT_DELAYED_WORK(&priv->scan_check, ipw_bg_scan_check); + INIT_WORK(&priv->link_up, ipw_bg_link_up); + INIT_WORK(&priv->link_down, ipw_bg_link_down); + INIT_DELAYED_WORK(&priv->led_link_on, ipw_bg_led_link_on); + INIT_DELAYED_WORK(&priv->led_link_off, ipw_bg_led_link_off); + INIT_DELAYED_WORK(&priv->led_act_off, ipw_bg_led_activity_off); + INIT_WORK(&priv->merge_networks, ipw_merge_adhoc_network); #ifdef CONFIG_IPW2200_QOS - INIT_WORK(&priv->qos_activate, (void (*)(void *))ipw_bg_qos_activate, - priv); + INIT_WORK(&priv->qos_activate, ipw_bg_qos_activate); #endif /* CONFIG_IPW2200_QOS */ tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) @@ -11190,7 +11206,8 @@ static int ipw_up(struct ipw_priv *priv) /* If configure to try and auto-associate, kick * off a scan. */ - queue_work(priv->workqueue, &priv->request_scan); + queue_delayed_work(priv->workqueue, + &priv->request_scan, 0); return 0; } @@ -11211,11 +11228,12 @@ static int ipw_up(struct ipw_priv *priv) return -EIO; } -static void ipw_bg_up(void *data) +static void ipw_bg_up(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, up); mutex_lock(&priv->mutex); - ipw_up(data); + ipw_up(priv); mutex_unlock(&priv->mutex); } @@ -11282,11 +11300,12 @@ static void ipw_down(struct ipw_priv *priv) ipw_led_radio_off(priv); } -static void ipw_bg_down(void *data) +static void ipw_bg_down(struct work_struct *work) { - struct ipw_priv *priv = data; + struct ipw_priv *priv = + container_of(work, struct ipw_priv, down); mutex_lock(&priv->mutex); - ipw_down(data); + ipw_down(priv); mutex_unlock(&priv->mutex); } diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index dad5eedefbf..626a240a87d 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -1290,21 +1290,21 @@ struct ipw_priv { struct workqueue_struct *workqueue; - struct work_struct adhoc_check; + struct delayed_work adhoc_check; struct work_struct associate; struct work_struct disassociate; struct work_struct system_config; struct work_struct rx_replenish; - struct work_struct request_scan; + struct delayed_work request_scan; struct work_struct request_passive_scan; struct work_struct adapter_restart; - struct work_struct rf_kill; + struct delayed_work rf_kill; struct work_struct up; struct work_struct down; - struct work_struct gather_stats; + struct delayed_work gather_stats; struct work_struct abort_scan; struct work_struct roam; - struct work_struct scan_check; + struct delayed_work scan_check; struct work_struct link_up; struct work_struct link_down; @@ -1319,9 +1319,9 @@ struct ipw_priv { u32 led_ofdm_on; u32 led_ofdm_off; - struct work_struct led_link_on; - struct work_struct led_link_off; - struct work_struct led_act_off; + struct delayed_work led_link_on; + struct delayed_work led_link_off; + struct delayed_work led_act_off; struct work_struct merge_networks; struct ipw_cmd_log *cmdlog; diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index 336cabac13b..936c888e03e 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -980,9 +980,11 @@ static void print_linkstatus(struct net_device *dev, u16 status) } /* Search scan results for requested BSSID, join it if found */ -static void orinoco_join_ap(struct net_device *dev) +static void orinoco_join_ap(struct work_struct *work) { - struct orinoco_private *priv = netdev_priv(dev); + struct orinoco_private *priv = + container_of(work, struct orinoco_private, join_work); + struct net_device *dev = priv->ndev; struct hermes *hw = &priv->hw; int err; unsigned long flags; @@ -1055,9 +1057,11 @@ static void orinoco_join_ap(struct net_device *dev) } /* Send new BSSID to userspace */ -static void orinoco_send_wevents(struct net_device *dev) +static void orinoco_send_wevents(struct work_struct *work) { - struct orinoco_private *priv = netdev_priv(dev); + struct orinoco_private *priv = + container_of(work, struct orinoco_private, wevent_work); + struct net_device *dev = priv->ndev; struct hermes *hw = &priv->hw; union iwreq_data wrqu; int err; @@ -1864,9 +1868,11 @@ __orinoco_set_multicast_list(struct net_device *dev) /* This must be called from user context, without locks held - use * schedule_work() */ -static void orinoco_reset(struct net_device *dev) +static void orinoco_reset(struct work_struct *work) { - struct orinoco_private *priv = netdev_priv(dev); + struct orinoco_private *priv = + container_of(work, struct orinoco_private, reset_work); + struct net_device *dev = priv->ndev; struct hermes *hw = &priv->hw; int err; unsigned long flags; @@ -2434,9 +2440,9 @@ struct net_device *alloc_orinocodev(int sizeof_card, priv->hw_unavailable = 1; /* orinoco_init() must clear this * before anything else touches the * hardware */ - INIT_WORK(&priv->reset_work, (void (*)(void *))orinoco_reset, dev); - INIT_WORK(&priv->join_work, (void (*)(void *))orinoco_join_ap, dev); - INIT_WORK(&priv->wevent_work, (void (*)(void *))orinoco_send_wevents, dev); + INIT_WORK(&priv->reset_work, orinoco_reset); + INIT_WORK(&priv->join_work, orinoco_join_ap); + INIT_WORK(&priv->wevent_work, orinoco_send_wevents); netif_carrier_off(dev); priv->last_linkstatus = 0xffff; @@ -3608,7 +3614,7 @@ static int orinoco_ioctl_reset(struct net_device *dev, printk(KERN_DEBUG "%s: Forcing reset!\n", dev->name); /* Firmware reset */ - orinoco_reset(dev); + orinoco_reset(&priv->reset_work); } else { printk(KERN_DEBUG "%s: Force scheduling reset!\n", dev->name); @@ -4154,7 +4160,7 @@ static int orinoco_ioctl_commit(struct net_device *dev, return 0; if (priv->broken_disableport) { - orinoco_reset(dev); + orinoco_reset(&priv->reset_work); return 0; } diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 286325ca329..e7700b4257e 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -158,8 +158,9 @@ prism54_mib_init(islpci_private *priv) * schedule_work(), thus we can as well use sleeping semaphore * locking */ void -prism54_update_stats(islpci_private *priv) +prism54_update_stats(struct work_struct *work) { + islpci_private *priv = container_of(work, islpci_private, stats_work); char *data; int j; struct obj_bss bss, *bss2; @@ -2494,9 +2495,10 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, * interrupt context, no locks held. */ void -prism54_process_trap(void *data) +prism54_process_trap(struct work_struct *work) { - struct islpci_mgmtframe *frame = data; + struct islpci_mgmtframe *frame = + container_of(work, struct islpci_mgmtframe, ws); struct net_device *ndev = frame->ndev; enum oid_num_t n = mgt_oidtonum(frame->header->oid); diff --git a/drivers/net/wireless/prism54/isl_ioctl.h b/drivers/net/wireless/prism54/isl_ioctl.h index 65f33acd0a4..0802fa64996 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.h +++ b/drivers/net/wireless/prism54/isl_ioctl.h @@ -32,12 +32,12 @@ void prism54_mib_init(islpci_private *); struct iw_statistics *prism54_get_wireless_stats(struct net_device *); -void prism54_update_stats(islpci_private *); +void prism54_update_stats(struct work_struct *); void prism54_acl_init(struct islpci_acl *); void prism54_acl_clean(struct islpci_acl *); -void prism54_process_trap(void *); +void prism54_process_trap(struct work_struct *); void prism54_wpa_bss_ie_init(islpci_private *priv); void prism54_wpa_bss_ie_clean(islpci_private *priv); diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index ec1c00f19eb..e35fcb2543c 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -861,11 +861,10 @@ islpci_setup(struct pci_dev *pdev) priv->state_off = 1; /* initialize workqueue's */ - INIT_WORK(&priv->stats_work, - (void (*)(void *)) prism54_update_stats, priv); + INIT_WORK(&priv->stats_work, prism54_update_stats); priv->stats_timestamp = 0; - INIT_WORK(&priv->reset_task, islpci_do_reset_and_wake, priv); + INIT_WORK(&priv->reset_task, islpci_do_reset_and_wake); priv->reset_task_pending = 0; /* allocate various memory areas */ diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index a8261d8454d..103a3787773 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -482,9 +482,9 @@ islpci_eth_receive(islpci_private *priv) } void -islpci_do_reset_and_wake(void *data) +islpci_do_reset_and_wake(struct work_struct *work) { - islpci_private *priv = (islpci_private *) data; + islpci_private *priv = container_of(work, islpci_private, reset_task); islpci_reset(priv, 1); netif_wake_queue(priv->ndev); priv->reset_task_pending = 0; diff --git a/drivers/net/wireless/prism54/islpci_eth.h b/drivers/net/wireless/prism54/islpci_eth.h index bc9d7a60b8d..99d37eda9f0 100644 --- a/drivers/net/wireless/prism54/islpci_eth.h +++ b/drivers/net/wireless/prism54/islpci_eth.h @@ -68,6 +68,6 @@ void islpci_eth_cleanup_transmit(islpci_private *, isl38xx_control_block *); int islpci_eth_transmit(struct sk_buff *, struct net_device *); int islpci_eth_receive(islpci_private *); void islpci_eth_tx_timeout(struct net_device *); -void islpci_do_reset_and_wake(void *data); +void islpci_do_reset_and_wake(struct work_struct *); #endif /* _ISL_GEN_H */ diff --git a/drivers/net/wireless/prism54/islpci_mgt.c b/drivers/net/wireless/prism54/islpci_mgt.c index 2e061a80b29..656ec9fa712 100644 --- a/drivers/net/wireless/prism54/islpci_mgt.c +++ b/drivers/net/wireless/prism54/islpci_mgt.c @@ -387,7 +387,7 @@ islpci_mgt_receive(struct net_device *ndev) /* Create work to handle trap out of interrupt * context. */ - INIT_WORK(&frame->ws, prism54_process_trap, frame); + INIT_WORK(&frame->ws, prism54_process_trap); schedule_work(&frame->ws); } else { diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index a7d29bddb29..5e4f4b70737 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -1090,9 +1090,10 @@ void zd_dump_rx_status(const struct rx_status *status) #define LINK_LED_WORK_DELAY HZ -static void link_led_handler(void *p) +static void link_led_handler(struct work_struct *work) { - struct zd_mac *mac = p; + struct zd_mac *mac = + container_of(work, struct zd_mac, housekeeping.link_led_work.work); struct zd_chip *chip = &mac->chip; struct ieee80211softmac_device *sm = ieee80211_priv(mac->netdev); int is_associated; @@ -1113,7 +1114,7 @@ static void link_led_handler(void *p) static void housekeeping_init(struct zd_mac *mac) { - INIT_WORK(&mac->housekeeping.link_led_work, link_led_handler, mac); + INIT_DELAYED_WORK(&mac->housekeeping.link_led_work, link_led_handler); } static void housekeeping_enable(struct zd_mac *mac) diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index b8ea3de7924..7957cac3de2 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -121,7 +121,7 @@ enum mac_flags { }; struct housekeeping { - struct work_struct link_led_work; + struct delayed_work link_led_work; }; #define ZD_MAC_STATS_BUFFER_SIZE 16 diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index fc4bc9b94c7..a83c3db7d18 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -29,7 +29,7 @@ struct oprofile_cpu_buffer cpu_buffer[NR_CPUS] __cacheline_aligned; -static void wq_sync_buffer(void *); +static void wq_sync_buffer(struct work_struct *work); #define DEFAULT_TIMER_EXPIRE (HZ / 10) static int work_enabled; @@ -65,7 +65,7 @@ int alloc_cpu_buffers(void) b->sample_received = 0; b->sample_lost_overflow = 0; b->cpu = i; - INIT_WORK(&b->work, wq_sync_buffer, b); + INIT_DELAYED_WORK(&b->work, wq_sync_buffer); } return 0; @@ -282,9 +282,10 @@ void oprofile_add_trace(unsigned long pc) * By using schedule_delayed_work_on and then schedule_delayed_work * we guarantee this will stay on the correct cpu */ -static void wq_sync_buffer(void * data) +static void wq_sync_buffer(struct work_struct *work) { - struct oprofile_cpu_buffer * b = data; + struct oprofile_cpu_buffer * b = + container_of(work, struct oprofile_cpu_buffer, work.work); if (b->cpu != smp_processor_id()) { printk("WQ on CPU%d, prefer CPU%d\n", smp_processor_id(), b->cpu); diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index 09abb80e057..49900d9e323 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -43,7 +43,7 @@ struct oprofile_cpu_buffer { unsigned long sample_lost_overflow; unsigned long backtrace_aborted; int cpu; - struct work_struct work; + struct delayed_work work; } ____cacheline_aligned; extern struct oprofile_cpu_buffer cpu_buffer[]; diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h index ea2087c3414..50757695844 100644 --- a/drivers/pci/hotplug/shpchp.h +++ b/drivers/pci/hotplug/shpchp.h @@ -70,7 +70,7 @@ struct slot { struct hotplug_slot *hotplug_slot; struct list_head slot_list; char name[SLOT_NAME_SIZE]; - struct work_struct work; /* work for button event */ + struct delayed_work work; /* work for button event */ struct mutex lock; }; @@ -187,7 +187,7 @@ extern int shpchp_configure_device(struct slot *p_slot); extern int shpchp_unconfigure_device(struct slot *p_slot); extern void shpchp_remove_ctrl_files(struct controller *ctrl); extern void cleanup_slots(struct controller *ctrl); -extern void queue_pushbutton_work(void *data); +extern void queue_pushbutton_work(struct work_struct *work); #ifdef CONFIG_ACPI diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index 235c18a2239..4eac85b3d90 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -159,7 +159,7 @@ static int init_slots(struct controller *ctrl) goto error_info; slot->number = sun; - INIT_WORK(&slot->work, queue_pushbutton_work, slot); + INIT_DELAYED_WORK(&slot->work, queue_pushbutton_work); /* register this slot with the hotplug pci core */ hotplug_slot->private = slot; diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index c39901dbff2..158ac783609 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -36,7 +36,7 @@ #include "../pci.h" #include "shpchp.h" -static void interrupt_event_handler(void *data); +static void interrupt_event_handler(struct work_struct *work); static int shpchp_enable_slot(struct slot *p_slot); static int shpchp_disable_slot(struct slot *p_slot); @@ -50,7 +50,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) info->event_type = event_type; info->p_slot = p_slot; - INIT_WORK(&info->work, interrupt_event_handler, info); + INIT_WORK(&info->work, interrupt_event_handler); schedule_work(&info->work); @@ -408,9 +408,10 @@ struct pushbutton_work_info { * Handles all pending events and exits. * */ -static void shpchp_pushbutton_thread(void *data) +static void shpchp_pushbutton_thread(struct work_struct *work) { - struct pushbutton_work_info *info = data; + struct pushbutton_work_info *info = + container_of(work, struct pushbutton_work_info, work); struct slot *p_slot = info->p_slot; mutex_lock(&p_slot->lock); @@ -436,9 +437,9 @@ static void shpchp_pushbutton_thread(void *data) kfree(info); } -void queue_pushbutton_work(void *data) +void queue_pushbutton_work(struct work_struct *work) { - struct slot *p_slot = data; + struct slot *p_slot = container_of(work, struct slot, work.work); struct pushbutton_work_info *info; info = kmalloc(sizeof(*info), GFP_KERNEL); @@ -447,7 +448,7 @@ void queue_pushbutton_work(void *data) return; } info->p_slot = p_slot; - INIT_WORK(&info->work, shpchp_pushbutton_thread, info); + INIT_WORK(&info->work, shpchp_pushbutton_thread); mutex_lock(&p_slot->lock); switch (p_slot->state) { @@ -541,9 +542,9 @@ static void handle_button_press_event(struct slot *p_slot) } } -static void interrupt_event_handler(void *data) +static void interrupt_event_handler(struct work_struct *work) { - struct event_info *info = data; + struct event_info *info = container_of(work, struct event_info, work); struct slot *p_slot = info->p_slot; mutex_lock(&p_slot->lock); diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index a20d84d707d..e469a46a388 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -698,9 +698,10 @@ static int pcmcia_card_add(struct pcmcia_socket *s) } -static void pcmcia_delayed_add_pseudo_device(void *data) +static void pcmcia_delayed_add_pseudo_device(struct work_struct *work) { - struct pcmcia_socket *s = data; + struct pcmcia_socket *s = + container_of(work, struct pcmcia_socket, device_add); pcmcia_device_add(s, 0); s->pcmcia_state.device_add_pending = 0; } @@ -1246,7 +1247,7 @@ static int __devinit pcmcia_bus_add_socket(struct class_device *class_dev, init_waitqueue_head(&socket->queue); #endif INIT_LIST_HEAD(&socket->devices_list); - INIT_WORK(&socket->device_add, pcmcia_delayed_add_pseudo_device, socket); + INIT_WORK(&socket->device_add, pcmcia_delayed_add_pseudo_device); memset(&socket->pcmcia_state, 0, sizeof(u8)); socket->device_count = 0; diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 583789c66cd..dcf5f86461f 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -53,9 +53,10 @@ static int rtc_dev_open(struct inode *inode, struct file *file) * Routine to poll RTC seconds field for change as often as possible, * after first RTC_UIE use timer to reduce polling */ -static void rtc_uie_task(void *data) +static void rtc_uie_task(struct work_struct *work) { - struct rtc_device *rtc = data; + struct rtc_device *rtc = + container_of(work, struct rtc_device, uie_task); struct rtc_time tm; int num = 0; int err; @@ -398,7 +399,7 @@ static int rtc_dev_add_device(struct class_device *class_dev, spin_lock_init(&rtc->irq_lock); init_waitqueue_head(&rtc->irq_queue); #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL - INIT_WORK(&rtc->uie_task, rtc_uie_task, rtc); + INIT_WORK(&rtc->uie_task, rtc_uie_task); setup_timer(&rtc->uie_timer, rtc_uie_timer, (unsigned long)rtc); #endif diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index a6aa9107288..bb3cb336054 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -849,7 +849,7 @@ static int __devinit NCR5380_init(struct Scsi_Host *instance, int flags) hostdata->issue_queue = NULL; hostdata->disconnected_queue = NULL; - INIT_WORK(&hostdata->coroutine, NCR5380_main, hostdata); + INIT_DELAYED_WORK(&hostdata->coroutine, NCR5380_main); #ifdef NCR5380_STATS for (i = 0; i < 8; ++i) { @@ -1016,7 +1016,7 @@ static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) /* Run the coroutine if it isn't already running. */ /* Kick off command processing */ - schedule_work(&hostdata->coroutine); + schedule_delayed_work(&hostdata->coroutine, 0); return 0; } @@ -1033,9 +1033,10 @@ static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) * host lock and called routines may take the isa dma lock. */ -static void NCR5380_main(void *p) +static void NCR5380_main(struct work_struct *work) { - struct NCR5380_hostdata *hostdata = p; + struct NCR5380_hostdata *hostdata = + container_of(work, struct NCR5380_hostdata, coroutine.work); struct Scsi_Host *instance = hostdata->host; Scsi_Cmnd *tmp, *prev; int done; @@ -1221,7 +1222,7 @@ static irqreturn_t NCR5380_intr(int irq, void *dev_id) } /* if BASR_IRQ */ spin_unlock_irqrestore(instance->host_lock, flags); if(!done) - schedule_work(&hostdata->coroutine); + schedule_delayed_work(&hostdata->coroutine, 0); } while (!done); return IRQ_HANDLED; } diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index 1bc73de496b..713a108c02e 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -271,7 +271,7 @@ struct NCR5380_hostdata { unsigned long time_expires; /* in jiffies, set prior to sleeping */ int select_time; /* timer in select for target response */ volatile Scsi_Cmnd *selecting; - struct work_struct coroutine; /* our co-routine */ + struct delayed_work coroutine; /* our co-routine */ #ifdef NCR5380_STATS unsigned timebase; /* Base for time calcs */ long time_read[8]; /* time to do reads */ @@ -298,7 +298,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance); #ifndef DONT_USE_INTR static irqreturn_t NCR5380_intr(int irq, void *dev_id); #endif -static void NCR5380_main(void *ptr); +static void NCR5380_main(struct work_struct *work); static void NCR5380_print_options(struct Scsi_Host *instance); #ifdef NDEBUG static void NCR5380_print_phase(struct Scsi_Host *instance); diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index 306f46b85a5..0cec742d12e 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -1443,7 +1443,7 @@ static struct work_struct aha152x_tq; * Run service completions on the card with interrupts enabled. * */ -static void run(void) +static void run(struct work_struct *work) { struct aha152x_hostdata *hd; @@ -1499,7 +1499,7 @@ static irqreturn_t intr(int irqno, void *dev_id) HOSTDATA(shpnt)->service=1; /* Poke the BH handler */ - INIT_WORK(&aha152x_tq, (void *) run, NULL); + INIT_WORK(&aha152x_tq, run); schedule_work(&aha152x_tq); } DO_UNLOCK(flags); diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index e31f6122106..0464c182c57 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -36,7 +36,7 @@ typedef struct { int base_hi; /* Hi Base address for ECP-ISA chipset */ int mode; /* Transfer mode */ struct scsi_cmnd *cur_cmd; /* Current queued command */ - struct work_struct imm_tq; /* Polling interrupt stuff */ + struct delayed_work imm_tq; /* Polling interrupt stuff */ unsigned long jstart; /* Jiffies at start */ unsigned failed:1; /* Failure flag */ unsigned dp:1; /* Data phase present */ @@ -733,9 +733,9 @@ static int imm_completion(struct scsi_cmnd *cmd) * the scheduler's task queue to generate a stream of call-backs and * complete the request when the drive is ready. */ -static void imm_interrupt(void *data) +static void imm_interrupt(struct work_struct *work) { - imm_struct *dev = (imm_struct *) data; + imm_struct *dev = container_of(work, imm_struct, imm_tq.work); struct scsi_cmnd *cmd = dev->cur_cmd; struct Scsi_Host *host = cmd->device->host; unsigned long flags; @@ -745,7 +745,6 @@ static void imm_interrupt(void *data) return; } if (imm_engine(dev, cmd)) { - INIT_WORK(&dev->imm_tq, imm_interrupt, (void *) dev); schedule_delayed_work(&dev->imm_tq, 1); return; } @@ -953,8 +952,7 @@ static int imm_queuecommand(struct scsi_cmnd *cmd, cmd->result = DID_ERROR << 16; /* default return code */ cmd->SCp.phase = 0; /* bus free */ - INIT_WORK(&dev->imm_tq, imm_interrupt, dev); - schedule_work(&dev->imm_tq); + schedule_delayed_work(&dev->imm_tq, 0); imm_pb_claim(dev); @@ -1225,7 +1223,7 @@ static int __imm_attach(struct parport *pb) else ports = 8; - INIT_WORK(&dev->imm_tq, imm_interrupt, dev); + INIT_DELAYED_WORK(&dev->imm_tq, imm_interrupt); err = -ENOMEM; host = scsi_host_alloc(&imm_template, sizeof(imm_struct *)); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2dde821025f..d51c3e764bb 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -2093,7 +2093,7 @@ static void ipr_release_dump(struct kref *kref) /** * ipr_worker_thread - Worker thread - * @data: ioa config struct + * @work: ioa config struct * * Called at task level from a work thread. This function takes care * of adding and removing device from the mid-layer as configuration @@ -2102,13 +2102,14 @@ static void ipr_release_dump(struct kref *kref) * Return value: * nothing **/ -static void ipr_worker_thread(void *data) +static void ipr_worker_thread(struct work_struct *work) { unsigned long lock_flags; struct ipr_resource_entry *res; struct scsi_device *sdev; struct ipr_dump *dump; - struct ipr_ioa_cfg *ioa_cfg = data; + struct ipr_ioa_cfg *ioa_cfg = + container_of(work, struct ipr_ioa_cfg, work_q); u8 bus, target, lun; int did_work; @@ -6926,7 +6927,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, INIT_LIST_HEAD(&ioa_cfg->hostrcb_pending_q); INIT_LIST_HEAD(&ioa_cfg->free_res_q); INIT_LIST_HEAD(&ioa_cfg->used_res_q); - INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread, ioa_cfg); + INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread); init_waitqueue_head(&ioa_cfg->reset_wait_q); ioa_cfg->sdt_state = INACTIVE; if (ipr_enable_cache) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 5d886218948..e11b23c641e 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -719,9 +719,10 @@ again: return rc; } -static void iscsi_xmitworker(void *data) +static void iscsi_xmitworker(struct work_struct *work) { - struct iscsi_conn *conn = data; + struct iscsi_conn *conn = + container_of(work, struct iscsi_conn, xmitwork); int rc; /* * serialize Xmit worker on a per-connection basis. @@ -1512,7 +1513,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, uint32_t conn_idx) if (conn->mgmtqueue == ERR_PTR(-ENOMEM)) goto mgmtqueue_alloc_fail; - INIT_WORK(&conn->xmitwork, iscsi_xmitworker, conn); + INIT_WORK(&conn->xmitwork, iscsi_xmitworker); /* allocate login_mtask used for the login/text sequences */ spin_lock_bh(&session->lock); diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index d977bd492d8..fb7df7b7581 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -647,10 +647,12 @@ void sas_unregister_domain_devices(struct asd_sas_port *port) * Discover process only interrogates devices in order to discover the * domain. */ -static void sas_discover_domain(void *data) +static void sas_discover_domain(struct work_struct *work) { int error = 0; - struct asd_sas_port *port = data; + struct sas_discovery_event *ev = + container_of(work, struct sas_discovery_event, work); + struct asd_sas_port *port = ev->port; sas_begin_event(DISCE_DISCOVER_DOMAIN, &port->disc.disc_event_lock, &port->disc.pending); @@ -692,10 +694,12 @@ static void sas_discover_domain(void *data) current->pid, error); } -static void sas_revalidate_domain(void *data) +static void sas_revalidate_domain(struct work_struct *work) { int res = 0; - struct asd_sas_port *port = data; + struct sas_discovery_event *ev = + container_of(work, struct sas_discovery_event, work); + struct asd_sas_port *port = ev->port; sas_begin_event(DISCE_REVALIDATE_DOMAIN, &port->disc.disc_event_lock, &port->disc.pending); @@ -722,7 +726,7 @@ int sas_discover_event(struct asd_sas_port *port, enum discover_event ev) BUG_ON(ev >= DISC_NUM_EVENTS); sas_queue_event(ev, &disc->disc_event_lock, &disc->pending, - &disc->disc_work[ev], port->ha->core.shost); + &disc->disc_work[ev].work, port->ha->core.shost); return 0; } @@ -737,13 +741,15 @@ void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port) { int i; - static void (*sas_event_fns[DISC_NUM_EVENTS])(void *) = { + static const work_func_t sas_event_fns[DISC_NUM_EVENTS] = { [DISCE_DISCOVER_DOMAIN] = sas_discover_domain, [DISCE_REVALIDATE_DOMAIN] = sas_revalidate_domain, }; spin_lock_init(&disc->disc_event_lock); disc->pending = 0; - for (i = 0; i < DISC_NUM_EVENTS; i++) - INIT_WORK(&disc->disc_work[i], sas_event_fns[i], port); + for (i = 0; i < DISC_NUM_EVENTS; i++) { + INIT_WORK(&disc->disc_work[i].work, sas_event_fns[i]); + disc->disc_work[i].port = port; + } } diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c index 19110ed1c89..d83392ee682 100644 --- a/drivers/scsi/libsas/sas_event.c +++ b/drivers/scsi/libsas/sas_event.c @@ -31,7 +31,7 @@ static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event) BUG_ON(event >= HA_NUM_EVENTS); sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending, - &sas_ha->ha_events[event], sas_ha->core.shost); + &sas_ha->ha_events[event].work, sas_ha->core.shost); } static void notify_port_event(struct asd_sas_phy *phy, enum port_event event) @@ -41,7 +41,7 @@ static void notify_port_event(struct asd_sas_phy *phy, enum port_event event) BUG_ON(event >= PORT_NUM_EVENTS); sas_queue_event(event, &ha->event_lock, &phy->port_events_pending, - &phy->port_events[event], ha->core.shost); + &phy->port_events[event].work, ha->core.shost); } static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event) @@ -51,12 +51,12 @@ static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event) BUG_ON(event >= PHY_NUM_EVENTS); sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending, - &phy->phy_events[event], ha->core.shost); + &phy->phy_events[event].work, ha->core.shost); } int sas_init_events(struct sas_ha_struct *sas_ha) { - static void (*sas_ha_event_fns[HA_NUM_EVENTS])(void *) = { + static const work_func_t sas_ha_event_fns[HA_NUM_EVENTS] = { [HAE_RESET] = sas_hae_reset, }; @@ -64,8 +64,10 @@ int sas_init_events(struct sas_ha_struct *sas_ha) spin_lock_init(&sas_ha->event_lock); - for (i = 0; i < HA_NUM_EVENTS; i++) - INIT_WORK(&sas_ha->ha_events[i], sas_ha_event_fns[i], sas_ha); + for (i = 0; i < HA_NUM_EVENTS; i++) { + INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]); + sas_ha->ha_events[i].ha = sas_ha; + } sas_ha->notify_ha_event = notify_ha_event; sas_ha->notify_port_event = notify_port_event; diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index c836a237fb7..7b4e9169f44 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -65,9 +65,11 @@ void sas_hash_addr(u8 *hashed, const u8 *sas_addr) /* ---------- HA events ---------- */ -void sas_hae_reset(void *data) +void sas_hae_reset(struct work_struct *work) { - struct sas_ha_struct *ha = data; + struct sas_ha_event *ev = + container_of(work, struct sas_ha_event, work); + struct sas_ha_struct *ha = ev->ha; sas_begin_event(HAE_RESET, &ha->event_lock, &ha->pending); diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index bffcee47492..137d7e496b6 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -60,11 +60,11 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha); void sas_deform_port(struct asd_sas_phy *phy); -void sas_porte_bytes_dmaed(void *); -void sas_porte_broadcast_rcvd(void *); -void sas_porte_link_reset_err(void *); -void sas_porte_timer_event(void *); -void sas_porte_hard_reset(void *); +void sas_porte_bytes_dmaed(struct work_struct *work); +void sas_porte_broadcast_rcvd(struct work_struct *work); +void sas_porte_link_reset_err(struct work_struct *work); +void sas_porte_timer_event(struct work_struct *work); +void sas_porte_hard_reset(struct work_struct *work); int sas_notify_lldd_dev_found(struct domain_device *); void sas_notify_lldd_dev_gone(struct domain_device *); @@ -75,7 +75,7 @@ int sas_smp_get_phy_events(struct sas_phy *phy); struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); -void sas_hae_reset(void *); +void sas_hae_reset(struct work_struct *work); static inline void sas_queue_event(int event, spinlock_t *lock, unsigned long *pending, diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c index 9340cdbae4a..b459c4b635b 100644 --- a/drivers/scsi/libsas/sas_phy.c +++ b/drivers/scsi/libsas/sas_phy.c @@ -30,9 +30,11 @@ /* ---------- Phy events ---------- */ -static void sas_phye_loss_of_signal(void *data) +static void sas_phye_loss_of_signal(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PHYE_LOSS_OF_SIGNAL, &phy->ha->event_lock, &phy->phy_events_pending); @@ -40,18 +42,22 @@ static void sas_phye_loss_of_signal(void *data) sas_deform_port(phy); } -static void sas_phye_oob_done(void *data) +static void sas_phye_oob_done(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PHYE_OOB_DONE, &phy->ha->event_lock, &phy->phy_events_pending); phy->error = 0; } -static void sas_phye_oob_error(void *data) +static void sas_phye_oob_error(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct asd_sas_port *port = phy->port; struct sas_internal *i = @@ -80,9 +86,11 @@ static void sas_phye_oob_error(void *data) } } -static void sas_phye_spinup_hold(void *data) +static void sas_phye_spinup_hold(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; struct sas_ha_struct *sas_ha = phy->ha; struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); @@ -100,14 +108,14 @@ int sas_register_phys(struct sas_ha_struct *sas_ha) { int i; - static void (*sas_phy_event_fns[PHY_NUM_EVENTS])(void *) = { + static const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS] = { [PHYE_LOSS_OF_SIGNAL] = sas_phye_loss_of_signal, [PHYE_OOB_DONE] = sas_phye_oob_done, [PHYE_OOB_ERROR] = sas_phye_oob_error, [PHYE_SPINUP_HOLD] = sas_phye_spinup_hold, }; - static void (*sas_port_event_fns[PORT_NUM_EVENTS])(void *) = { + static const work_func_t sas_port_event_fns[PORT_NUM_EVENTS] = { [PORTE_BYTES_DMAED] = sas_porte_bytes_dmaed, [PORTE_BROADCAST_RCVD] = sas_porte_broadcast_rcvd, [PORTE_LINK_RESET_ERR] = sas_porte_link_reset_err, @@ -122,13 +130,18 @@ int sas_register_phys(struct sas_ha_struct *sas_ha) phy->error = 0; INIT_LIST_HEAD(&phy->port_phy_el); - for (k = 0; k < PORT_NUM_EVENTS; k++) - INIT_WORK(&phy->port_events[k], sas_port_event_fns[k], - phy); + for (k = 0; k < PORT_NUM_EVENTS; k++) { + INIT_WORK(&phy->port_events[k].work, + sas_port_event_fns[k]); + phy->port_events[k].phy = phy; + } + + for (k = 0; k < PHY_NUM_EVENTS; k++) { + INIT_WORK(&phy->phy_events[k].work, + sas_phy_event_fns[k]); + phy->phy_events[k].phy = phy; + } - for (k = 0; k < PHY_NUM_EVENTS; k++) - INIT_WORK(&phy->phy_events[k], sas_phy_event_fns[k], - phy); phy->port = NULL; phy->ha = sas_ha; spin_lock_init(&phy->frame_rcvd_lock); diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index 253cdcf306a..971c37ceecb 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -181,9 +181,11 @@ void sas_deform_port(struct asd_sas_phy *phy) /* ---------- SAS port events ---------- */ -void sas_porte_bytes_dmaed(void *data) +void sas_porte_bytes_dmaed(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PORTE_BYTES_DMAED, &phy->ha->event_lock, &phy->port_events_pending); @@ -191,11 +193,13 @@ void sas_porte_bytes_dmaed(void *data) sas_form_port(phy); } -void sas_porte_broadcast_rcvd(void *data) +void sas_porte_broadcast_rcvd(struct work_struct *work) { + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; unsigned long flags; u32 prim; - struct asd_sas_phy *phy = data; sas_begin_event(PORTE_BROADCAST_RCVD, &phy->ha->event_lock, &phy->port_events_pending); @@ -208,9 +212,11 @@ void sas_porte_broadcast_rcvd(void *data) sas_discover_event(phy->port, DISCE_REVALIDATE_DOMAIN); } -void sas_porte_link_reset_err(void *data) +void sas_porte_link_reset_err(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PORTE_LINK_RESET_ERR, &phy->ha->event_lock, &phy->port_events_pending); @@ -218,9 +224,11 @@ void sas_porte_link_reset_err(void *data) sas_deform_port(phy); } -void sas_porte_timer_event(void *data) +void sas_porte_timer_event(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PORTE_TIMER_EVENT, &phy->ha->event_lock, &phy->port_events_pending); @@ -228,9 +236,11 @@ void sas_porte_timer_event(void *data) sas_deform_port(phy); } -void sas_porte_hard_reset(void *data) +void sas_porte_hard_reset(struct work_struct *work) { - struct asd_sas_phy *phy = data; + struct asd_sas_event *ev = + container_of(work, struct asd_sas_event, work); + struct asd_sas_phy *phy = ev->phy; sas_begin_event(PORTE_HARD_RESET, &phy->ha->event_lock, &phy->port_events_pending); diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 89a2a9f11e4..584ba4d6e03 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -31,7 +31,7 @@ typedef struct { int base; /* Actual port address */ int mode; /* Transfer mode */ struct scsi_cmnd *cur_cmd; /* Current queued command */ - struct work_struct ppa_tq; /* Polling interrupt stuff */ + struct delayed_work ppa_tq; /* Polling interrupt stuff */ unsigned long jstart; /* Jiffies at start */ unsigned long recon_tmo; /* How many usecs to wait for reconnection (6th bit) */ unsigned int failed:1; /* Failure flag */ @@ -627,9 +627,9 @@ static int ppa_completion(struct scsi_cmnd *cmd) * the scheduler's task queue to generate a stream of call-backs and * complete the request when the drive is ready. */ -static void ppa_interrupt(void *data) +static void ppa_interrupt(struct work_struct *work) { - ppa_struct *dev = (ppa_struct *) data; + ppa_struct *dev = container_of(work, ppa_struct, ppa_tq.work); struct scsi_cmnd *cmd = dev->cur_cmd; if (!cmd) { @@ -637,7 +637,6 @@ static void ppa_interrupt(void *data) return; } if (ppa_engine(dev, cmd)) { - dev->ppa_tq.data = (void *) dev; schedule_delayed_work(&dev->ppa_tq, 1); return; } @@ -822,8 +821,7 @@ static int ppa_queuecommand(struct scsi_cmnd *cmd, cmd->result = DID_ERROR << 16; /* default return code */ cmd->SCp.phase = 0; /* bus free */ - dev->ppa_tq.data = dev; - schedule_work(&dev->ppa_tq); + schedule_delayed_work(&dev->ppa_tq, 0); ppa_pb_claim(dev); @@ -1086,7 +1084,7 @@ static int __ppa_attach(struct parport *pb) else ports = 8; - INIT_WORK(&dev->ppa_tq, ppa_interrupt, dev); + INIT_DELAYED_WORK(&dev->ppa_tq, ppa_interrupt); err = -ENOMEM; host = scsi_host_alloc(&ppa_template, sizeof(ppa_struct *)); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 5b8db610953..bbbc9d039ba 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1011,9 +1011,10 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, * the mid-level tries to sleep when it reaches the driver threshold * "host->can_queue". This can cause a panic if we were in our interrupt code. **/ -static void qla4xxx_do_dpc(void *data) +static void qla4xxx_do_dpc(struct work_struct *work) { - struct scsi_qla_host *ha = (struct scsi_qla_host *) data; + struct scsi_qla_host *ha = + container_of(work, struct scsi_qla_host, dpc_work); struct ddb_entry *ddb_entry, *dtemp; DEBUG2(printk("scsi%ld: %s: DPC handler waking up.\n", @@ -1315,7 +1316,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, ret = -ENODEV; goto probe_failed; } - INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc, ha); + INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); ret = request_irq(pdev->irq, qla4xxx_intr_handler, SA_INTERRUPT|SA_SHIRQ, "qla4xxx", ha); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 38c215a78f6..3571ce8934e 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -241,9 +241,9 @@ fc_bitfield_name_search(remote_port_roles, fc_remote_port_role_names) #define FC_MGMTSRVR_PORTID 0x00000a -static void fc_timeout_deleted_rport(void *data); -static void fc_timeout_fail_rport_io(void *data); -static void fc_scsi_scan_rport(void *data); +static void fc_timeout_deleted_rport(struct work_struct *work); +static void fc_timeout_fail_rport_io(struct work_struct *work); +static void fc_scsi_scan_rport(struct work_struct *work); /* * Attribute counts pre object type... @@ -1613,7 +1613,7 @@ fc_flush_work(struct Scsi_Host *shost) * 1 on success / 0 already queued / < 0 for error **/ static int -fc_queue_devloss_work(struct Scsi_Host *shost, struct work_struct *work, +fc_queue_devloss_work(struct Scsi_Host *shost, struct delayed_work *work, unsigned long delay) { if (unlikely(!fc_host_devloss_work_q(shost))) { @@ -1625,9 +1625,6 @@ fc_queue_devloss_work(struct Scsi_Host *shost, struct work_struct *work, return -EINVAL; } - if (delay == 0) - return queue_work(fc_host_devloss_work_q(shost), work); - return queue_delayed_work(fc_host_devloss_work_q(shost), work, delay); } @@ -1712,12 +1709,13 @@ EXPORT_SYMBOL(fc_remove_host); * fc_starget_delete - called to delete the scsi decendents of an rport * (target and all sdevs) * - * @data: remote port to be operated on. + * @work: remote port to be operated on. **/ static void -fc_starget_delete(void *data) +fc_starget_delete(struct work_struct *work) { - struct fc_rport *rport = (struct fc_rport *)data; + struct fc_rport *rport = + container_of(work, struct fc_rport, stgt_delete_work); struct Scsi_Host *shost = rport_to_shost(rport); unsigned long flags; struct fc_internal *i = to_fc_internal(shost->transportt); @@ -1751,12 +1749,13 @@ fc_starget_delete(void *data) /** * fc_rport_final_delete - finish rport termination and delete it. * - * @data: remote port to be deleted. + * @work: remote port to be deleted. **/ static void -fc_rport_final_delete(void *data) +fc_rport_final_delete(struct work_struct *work) { - struct fc_rport *rport = (struct fc_rport *)data; + struct fc_rport *rport = + container_of(work, struct fc_rport, rport_delete_work); struct device *dev = &rport->dev; struct Scsi_Host *shost = rport_to_shost(rport); struct fc_internal *i = to_fc_internal(shost->transportt); @@ -1770,7 +1769,7 @@ fc_rport_final_delete(void *data) /* Delete SCSI target and sdevs */ if (rport->scsi_target_id != -1) - fc_starget_delete(data); + fc_starget_delete(&rport->stgt_delete_work); else if (i->f->dev_loss_tmo_callbk) i->f->dev_loss_tmo_callbk(rport); else if (i->f->terminate_rport_io) @@ -1829,11 +1828,11 @@ fc_rport_create(struct Scsi_Host *shost, int channel, rport->channel = channel; rport->fast_io_fail_tmo = -1; - INIT_WORK(&rport->dev_loss_work, fc_timeout_deleted_rport, rport); - INIT_WORK(&rport->fail_io_work, fc_timeout_fail_rport_io, rport); - INIT_WORK(&rport->scan_work, fc_scsi_scan_rport, rport); - INIT_WORK(&rport->stgt_delete_work, fc_starget_delete, rport); - INIT_WORK(&rport->rport_delete_work, fc_rport_final_delete, rport); + INIT_DELAYED_WORK(&rport->dev_loss_work, fc_timeout_deleted_rport); + INIT_DELAYED_WORK(&rport->fail_io_work, fc_timeout_fail_rport_io); + INIT_WORK(&rport->scan_work, fc_scsi_scan_rport); + INIT_WORK(&rport->stgt_delete_work, fc_starget_delete); + INIT_WORK(&rport->rport_delete_work, fc_rport_final_delete); spin_lock_irqsave(shost->host_lock, flags); @@ -1963,7 +1962,7 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, } if (match) { - struct work_struct *work = + struct delayed_work *work = &rport->dev_loss_work; memcpy(&rport->node_name, &ids->node_name, @@ -2267,12 +2266,13 @@ EXPORT_SYMBOL(fc_remote_port_rolechg); * was a SCSI target (thus was blocked), and failed * to return in the alloted time. * - * @data: rport target that failed to reappear in the alloted time. + * @work: rport target that failed to reappear in the alloted time. **/ static void -fc_timeout_deleted_rport(void *data) +fc_timeout_deleted_rport(struct work_struct *work) { - struct fc_rport *rport = (struct fc_rport *)data; + struct fc_rport *rport = + container_of(work, struct fc_rport, dev_loss_work.work); struct Scsi_Host *shost = rport_to_shost(rport); struct fc_host_attrs *fc_host = shost_to_fc_host(shost); unsigned long flags; @@ -2366,15 +2366,16 @@ fc_timeout_deleted_rport(void *data) * fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a * disconnected SCSI target. * - * @data: rport to terminate io on. + * @work: rport to terminate io on. * * Notes: Only requests the failure of the io, not that all are flushed * prior to returning. **/ static void -fc_timeout_fail_rport_io(void *data) +fc_timeout_fail_rport_io(struct work_struct *work) { - struct fc_rport *rport = (struct fc_rport *)data; + struct fc_rport *rport = + container_of(work, struct fc_rport, fail_io_work.work); struct Scsi_Host *shost = rport_to_shost(rport); struct fc_internal *i = to_fc_internal(shost->transportt); @@ -2387,12 +2388,13 @@ fc_timeout_fail_rport_io(void *data) /** * fc_scsi_scan_rport - called to perform a scsi scan on a remote port. * - * @data: remote port to be scanned. + * @work: remote port to be scanned. **/ static void -fc_scsi_scan_rport(void *data) +fc_scsi_scan_rport(struct work_struct *work) { - struct fc_rport *rport = (struct fc_rport *)data; + struct fc_rport *rport = + container_of(work, struct fc_rport, scan_work); struct Scsi_Host *shost = rport_to_shost(rport); unsigned long flags; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 9b25124a989..9c22f134271 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -234,9 +234,11 @@ static int iscsi_user_scan(struct Scsi_Host *shost, uint channel, return 0; } -static void session_recovery_timedout(void *data) +static void session_recovery_timedout(struct work_struct *work) { - struct iscsi_cls_session *session = data; + struct iscsi_cls_session *session = + container_of(work, struct iscsi_cls_session, + recovery_work.work); dev_printk(KERN_INFO, &session->dev, "iscsi: session recovery timed " "out after %d secs\n", session->recovery_tmo); @@ -276,7 +278,7 @@ iscsi_alloc_session(struct Scsi_Host *shost, session->transport = transport; session->recovery_tmo = 120; - INIT_WORK(&session->recovery_work, session_recovery_timedout, session); + INIT_DELAYED_WORK(&session->recovery_work, session_recovery_timedout); INIT_LIST_HEAD(&session->host_list); INIT_LIST_HEAD(&session->sess_list); diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 9f070f0d0f2..3fded483146 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -964,9 +964,10 @@ struct work_queue_wrapper { }; static void -spi_dv_device_work_wrapper(void *data) +spi_dv_device_work_wrapper(struct work_struct *work) { - struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data; + struct work_queue_wrapper *wqw = + container_of(work, struct work_queue_wrapper, work); struct scsi_device *sdev = wqw->sdev; kfree(wqw); @@ -1006,7 +1007,7 @@ spi_schedule_dv_device(struct scsi_device *sdev) return; } - INIT_WORK(&wqw->work, spi_dv_device_work_wrapper, wqw); + INIT_WORK(&wqw->work, spi_dv_device_work_wrapper); wqw->sdev = sdev; schedule_work(&wqw->work); diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index a23862ef72b..08c1c57c612 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -265,9 +265,10 @@ static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t) * Drivers can provide word-at-a-time i/o primitives, or provide * transfer-at-a-time ones to leverage dma or fifo hardware. */ -static void bitbang_work(void *_bitbang) +static void bitbang_work(struct work_struct *work) { - struct spi_bitbang *bitbang = _bitbang; + struct spi_bitbang *bitbang = + container_of(work, struct spi_bitbang, work); unsigned long flags; spin_lock_irqsave(&bitbang->lock, flags); @@ -456,7 +457,7 @@ int spi_bitbang_start(struct spi_bitbang *bitbang) if (!bitbang->master || !bitbang->chipselect) return -EINVAL; - INIT_WORK(&bitbang->work, bitbang_work, bitbang); + INIT_WORK(&bitbang->work, bitbang_work); spin_lock_init(&bitbang->lock); INIT_LIST_HEAD(&bitbang->queue); diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index e6565633ba0..3dfa3e40e14 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -158,7 +158,7 @@ struct cxacru_data { const struct cxacru_modem_type *modem_type; int line_status; - struct work_struct poll_work; + struct delayed_work poll_work; /* contol handles */ struct mutex cm_serialize; @@ -347,7 +347,7 @@ static int cxacru_card_status(struct cxacru_data *instance) return 0; } -static void cxacru_poll_status(struct cxacru_data *instance); +static void cxacru_poll_status(struct work_struct *work); static int cxacru_atm_start(struct usbatm_data *usbatm_instance, struct atm_dev *atm_dev) @@ -376,12 +376,14 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance, } /* Start status polling */ - cxacru_poll_status(instance); + cxacru_poll_status(&instance->poll_work.work); return 0; } -static void cxacru_poll_status(struct cxacru_data *instance) +static void cxacru_poll_status(struct work_struct *work) { + struct cxacru_data *instance = + container_of(work, struct cxacru_data, poll_work.work); u32 buf[CXINF_MAX] = {}; struct usbatm_data *usbatm = instance->usbatm; struct atm_dev *atm_dev = usbatm->atm_dev; @@ -720,7 +722,7 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, mutex_init(&instance->cm_serialize); - INIT_WORK(&instance->poll_work, (void *)cxacru_poll_status, instance); + INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status); usbatm_instance->driver_data = instance; diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index c870c804470..7ed34bb1c50 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -142,7 +142,7 @@ struct speedtch_instance_data { struct speedtch_params params; /* set in probe, constant afterwards */ - struct work_struct status_checker; + struct delayed_work status_checker; unsigned char last_status; @@ -498,8 +498,11 @@ static int speedtch_start_synchro(struct speedtch_instance_data *instance) return ret; } -static void speedtch_check_status(struct speedtch_instance_data *instance) +static void speedtch_check_status(struct work_struct *work) { + struct speedtch_instance_data *instance = + container_of(work, struct speedtch_instance_data, + status_checker.work); struct usbatm_data *usbatm = instance->usbatm; struct atm_dev *atm_dev = usbatm->atm_dev; unsigned char *buf = instance->scratch_buffer; @@ -576,7 +579,7 @@ static void speedtch_status_poll(unsigned long data) { struct speedtch_instance_data *instance = (void *)data; - schedule_work(&instance->status_checker); + schedule_delayed_work(&instance->status_checker, 0); /* The following check is racy, but the race is harmless */ if (instance->poll_delay < MAX_POLL_DELAY) @@ -596,7 +599,7 @@ static void speedtch_resubmit_int(unsigned long data) if (int_urb) { ret = usb_submit_urb(int_urb, GFP_ATOMIC); if (!ret) - schedule_work(&instance->status_checker); + schedule_delayed_work(&instance->status_checker, 0); else { atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); @@ -640,7 +643,7 @@ static void speedtch_handle_int(struct urb *int_urb) if ((int_urb = instance->int_urb)) { ret = usb_submit_urb(int_urb, GFP_ATOMIC); - schedule_work(&instance->status_checker); + schedule_delayed_work(&instance->status_checker, 0); if (ret < 0) { atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); goto fail; @@ -855,7 +858,7 @@ static int speedtch_bind(struct usbatm_data *usbatm, usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); - INIT_WORK(&instance->status_checker, (void *)speedtch_check_status, instance); + INIT_DELAYED_WORK(&instance->status_checker, speedtch_check_status); instance->status_checker.timer.function = speedtch_status_poll; instance->status_checker.timer.data = (unsigned long)instance; diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index f6b9f7e1f71..e39bb09f5af 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -658,9 +658,9 @@ static int request_dsp(struct uea_softc *sc) /* * The uea_load_page() function must be called within a process context */ -static void uea_load_page(void *xsc) +static void uea_load_page(struct work_struct *work) { - struct uea_softc *sc = xsc; + struct uea_softc *sc = container_of(work, struct uea_softc, task); u16 pageno = sc->pageno; u16 ovl = sc->ovl; struct block_info bi; @@ -1352,7 +1352,7 @@ static int uea_boot(struct uea_softc *sc) uea_enters(INS_TO_USBDEV(sc)); - INIT_WORK(&sc->task, uea_load_page, sc); + INIT_WORK(&sc->task, uea_load_page); init_waitqueue_head(&sc->sync_q); init_waitqueue_head(&sc->cmv_ack_wait); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 9a9012fd284..6408e10fdbf 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -421,9 +421,9 @@ static void acm_write_bulk(struct urb *urb) schedule_work(&acm->work); } -static void acm_softint(void *private) +static void acm_softint(struct work_struct *work) { - struct acm *acm = private; + struct acm *acm = container_of(work, struct acm, work); dbg("Entering acm_softint."); if (!ACM_READY(acm)) @@ -927,7 +927,7 @@ skip_normal_probe: acm->rx_buflimit = num_rx_buf; acm->urb_task.func = acm_rx_tasklet; acm->urb_task.data = (unsigned long) acm; - INIT_WORK(&acm->work, acm_softint, acm); + INIT_WORK(&acm->work, acm_softint); spin_lock_init(&acm->throttle_lock); spin_lock_init(&acm->write_lock); spin_lock_init(&acm->read_lock); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index ba165aff9ea..ad0ffbe8f7d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -167,9 +167,10 @@ static void set_port_led( #define LED_CYCLE_PERIOD ((2*HZ)/3) -static void led_work (void *__hub) +static void led_work (struct work_struct *work) { - struct usb_hub *hub = __hub; + struct usb_hub *hub = + container_of(work, struct usb_hub, leds.work); struct usb_device *hdev = hub->hdev; unsigned i; unsigned changed = 0; @@ -351,9 +352,10 @@ hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt) * talking to TTs must queue control transfers (not just bulk and iso), so * both can talk to the same hub concurrently. */ -static void hub_tt_kevent (void *arg) +static void hub_tt_kevent (struct work_struct *work) { - struct usb_hub *hub = arg; + struct usb_hub *hub = + container_of(work, struct usb_hub, tt.kevent); unsigned long flags; spin_lock_irqsave (&hub->tt.lock, flags); @@ -641,7 +643,7 @@ static int hub_configure(struct usb_hub *hub, spin_lock_init (&hub->tt.lock); INIT_LIST_HEAD (&hub->tt.clear_list); - INIT_WORK (&hub->tt.kevent, hub_tt_kevent, hub); + INIT_WORK (&hub->tt.kevent, hub_tt_kevent); switch (hdev->descriptor.bDeviceProtocol) { case 0: break; @@ -880,7 +882,7 @@ descriptor_error: INIT_LIST_HEAD(&hub->event_list); hub->intfdev = &intf->dev; hub->hdev = hdev; - INIT_WORK(&hub->leds, led_work, hub); + INIT_DELAYED_WORK(&hub->leds, led_work); usb_set_intfdata (intf, hub); @@ -2281,7 +2283,7 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) /* hub LEDs are probably harder to miss than syslog */ if (hub->has_indicators) { hub->indicator[port1-1] = INDICATOR_GREEN_BLINK; - schedule_work (&hub->leds); + schedule_delayed_work (&hub->leds, 0); } } kfree(qual); @@ -2455,7 +2457,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (hub->has_indicators) { hub->indicator[port1-1] = INDICATOR_AMBER_BLINK; - schedule_work (&hub->leds); + schedule_delayed_work (&hub->leds, 0); } status = -ENOTCONN; /* Don't retry */ goto loop_disable; diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 0f8e82a4d48..035d3ef3588 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -230,7 +230,7 @@ struct usb_hub { unsigned has_indicators:1; enum hub_led_mode indicator[USB_MAXCHILDREN]; - struct work_struct leds; + struct delayed_work leds; }; #endif /* __LINUX_HUB_H */ diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 7729c074488..89572bc021b 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1501,9 +1501,10 @@ struct set_config_request { }; /* Worker routine for usb_driver_set_configuration() */ -static void driver_set_config_work(void *_req) +static void driver_set_config_work(struct work_struct *work) { - struct set_config_request *req = _req; + struct set_config_request *req = + container_of(work, struct set_config_request, work); usb_lock_device(req->udev); usb_set_configuration(req->udev, req->config); @@ -1541,7 +1542,7 @@ int usb_driver_set_configuration(struct usb_device *udev, int config) return -ENOMEM; req->udev = udev; req->config = config; - INIT_WORK(&req->work, driver_set_config_work, req); + INIT_WORK(&req->work, driver_set_config_work); usb_get_dev(udev); if (!schedule_work(&req->work)) { diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 467cb02832f..ab2f68fc7d2 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -210,9 +210,10 @@ static void ksuspend_usb_cleanup(void) #ifdef CONFIG_USB_SUSPEND /* usb_autosuspend_work - callback routine to autosuspend a USB device */ -static void usb_autosuspend_work(void *_udev) +static void usb_autosuspend_work(struct work_struct *work) { - struct usb_device *udev = _udev; + struct usb_device *udev = + container_of(work, struct usb_device, autosuspend.work); usb_pm_lock(udev); udev->auto_pm = 1; @@ -222,7 +223,7 @@ static void usb_autosuspend_work(void *_udev) #else -static void usb_autosuspend_work(void *_udev) +static void usb_autosuspend_work(struct work_struct *work) {} #endif @@ -304,7 +305,7 @@ usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1) #ifdef CONFIG_PM mutex_init(&dev->pm_mutex); - INIT_WORK(&dev->autosuspend, usb_autosuspend_work, dev); + INIT_DELAYED_WORK(&dev->autosuspend, usb_autosuspend_work); #endif return dev; } diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 1c17d26d03b..107119c5430 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1833,9 +1833,9 @@ static void rx_fill (struct eth_dev *dev, gfp_t gfp_flags) spin_unlock_irqrestore(&dev->req_lock, flags); } -static void eth_work (void *_dev) +static void eth_work (struct work_struct *work) { - struct eth_dev *dev = _dev; + struct eth_dev *dev = container_of(work, struct eth_dev, work); if (test_and_clear_bit (WORK_RX_MEMORY, &dev->todo)) { if (netif_running (dev->net)) @@ -2398,7 +2398,7 @@ autoconf_fail: dev = netdev_priv(net); spin_lock_init (&dev->lock); spin_lock_init (&dev->req_lock); - INIT_WORK (&dev->work, eth_work, dev); + INIT_WORK (&dev->work, eth_work); INIT_LIST_HEAD (&dev->tx_reqs); INIT_LIST_HEAD (&dev->rx_reqs); diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 32c635ecbf3..4f95a249c91 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -163,7 +163,7 @@ struct u132_endp { u16 queue_next; struct urb *urb_list[ENDP_QUEUE_SIZE]; struct list_head urb_more; - struct work_struct scheduler; + struct delayed_work scheduler; }; struct u132_ring { unsigned in_use:1; @@ -171,7 +171,7 @@ struct u132_ring { u8 number; struct u132 *u132; struct u132_endp *curr_endp; - struct work_struct scheduler; + struct delayed_work scheduler; }; #define OHCI_QUIRK_AMD756 0x01 #define OHCI_QUIRK_SUPERIO 0x02 @@ -198,7 +198,7 @@ struct u132 { u32 hc_roothub_portstatus[MAX_ROOT_PORTS]; int flags; unsigned long next_statechange; - struct work_struct monitor; + struct delayed_work monitor; int num_endpoints; struct u132_addr addr[MAX_U132_ADDRS]; struct u132_udev udev[MAX_U132_UDEVS]; @@ -314,7 +314,7 @@ static void u132_ring_requeue_work(struct u132 *u132, struct u132_ring *ring, if (delta > 0) { if (queue_delayed_work(workqueue, &ring->scheduler, delta)) return; - } else if (queue_work(workqueue, &ring->scheduler)) + } else if (queue_delayed_work(workqueue, &ring->scheduler, 0)) return; kref_put(&u132->kref, u132_hcd_delete); return; @@ -393,12 +393,8 @@ static inline void u132_endp_init_kref(struct u132 *u132, static void u132_endp_queue_work(struct u132 *u132, struct u132_endp *endp, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(workqueue, &endp->scheduler, delta)) - kref_get(&endp->kref); - } else if (queue_work(workqueue, &endp->scheduler)) - kref_get(&endp->kref); - return; + if (queue_delayed_work(workqueue, &endp->scheduler, delta)) + kref_get(&endp->kref); } static void u132_endp_cancel_work(struct u132 *u132, struct u132_endp *endp) @@ -414,24 +410,14 @@ static inline void u132_monitor_put_kref(struct u132 *u132) static void u132_monitor_queue_work(struct u132 *u132, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(workqueue, &u132->monitor, delta)) { - kref_get(&u132->kref); - } - } else if (queue_work(workqueue, &u132->monitor)) - kref_get(&u132->kref); - return; + if (queue_delayed_work(workqueue, &u132->monitor, delta)) + kref_get(&u132->kref); } static void u132_monitor_requeue_work(struct u132 *u132, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(workqueue, &u132->monitor, delta)) - return; - } else if (queue_work(workqueue, &u132->monitor)) - return; - kref_put(&u132->kref, u132_hcd_delete); - return; + if (!queue_delayed_work(workqueue, &u132->monitor, delta)) + kref_put(&u132->kref, u132_hcd_delete); } static void u132_monitor_cancel_work(struct u132 *u132) @@ -493,9 +479,9 @@ static int read_roothub_info(struct u132 *u132) return 0; } -static void u132_hcd_monitor_work(void *data) +static void u132_hcd_monitor_work(struct work_struct *work) { - struct u132 *u132 = data; + struct u132 *u132 = container_of(work, struct u132, monitor.work); if (u132->going > 1) { dev_err(&u132->platform_dev->dev, "device has been removed %d\n" , u132->going); @@ -1319,15 +1305,14 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf, } } -static void u132_hcd_ring_work_scheduler(void *data); -static void u132_hcd_endp_work_scheduler(void *data); /* * this work function is only executed from the work queue * */ -static void u132_hcd_ring_work_scheduler(void *data) +static void u132_hcd_ring_work_scheduler(struct work_struct *work) { - struct u132_ring *ring = data; + struct u132_ring *ring = + container_of(work, struct u132_ring, scheduler.work); struct u132 *u132 = ring->u132; down(&u132->scheduler_lock); if (ring->in_use) { @@ -1386,10 +1371,11 @@ static void u132_hcd_ring_work_scheduler(void *data) } } -static void u132_hcd_endp_work_scheduler(void *data) +static void u132_hcd_endp_work_scheduler(struct work_struct *work) { struct u132_ring *ring; - struct u132_endp *endp = data; + struct u132_endp *endp = + container_of(work, struct u132_endp, scheduler.work); struct u132 *u132 = endp->u132; down(&u132->scheduler_lock); ring = endp->ring; @@ -1947,7 +1933,7 @@ static int create_endpoint_and_queue_int(struct u132 *u132, if (!endp) { return -ENOMEM; } - INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)endp); + INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler); spin_lock_init(&endp->queue_lock.slock); INIT_LIST_HEAD(&endp->urb_more); ring = endp->ring = &u132->ring[0]; @@ -2036,7 +2022,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132, if (!endp) { return -ENOMEM; } - INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)endp); + INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler); spin_lock_init(&endp->queue_lock.slock); INIT_LIST_HEAD(&endp->urb_more); endp->dequeueing = 0; @@ -2121,7 +2107,7 @@ static int create_endpoint_and_queue_control(struct u132 *u132, if (!endp) { return -ENOMEM; } - INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)endp); + INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler); spin_lock_init(&endp->queue_lock.slock); INIT_LIST_HEAD(&endp->urb_more); ring = endp->ring = &u132->ring[0]; @@ -3100,10 +3086,10 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev) ring->number = rings + 1; ring->length = 0; ring->curr_endp = NULL; - INIT_WORK(&ring->scheduler, u132_hcd_ring_work_scheduler, - (void *)ring); + INIT_DELAYED_WORK(&ring->scheduler, + u132_hcd_ring_work_scheduler); } down(&u132->sw_lock); - INIT_WORK(&u132->monitor, u132_hcd_monitor_work, (void *)u132); + INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work); while (ports-- > 0) { struct u132_port *port = &u132->port[ports]; port->u132 = u132; diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 6d08a3bcc95..ebc9e823a46 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -969,9 +969,10 @@ static void hid_retry_timeout(unsigned long _hid) } /* Workqueue routine to reset the device */ -static void hid_reset(void *_hid) +static void hid_reset(struct work_struct *work) { - struct hid_device *hid = (struct hid_device *) _hid; + struct hid_device *hid = + container_of(work, struct hid_device, reset_work); int rc_lock, rc; dev_dbg(&hid->intf->dev, "resetting device\n"); @@ -2015,7 +2016,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) init_waitqueue_head(&hid->wait); - INIT_WORK(&hid->reset_work, hid_reset, hid); + INIT_WORK(&hid->reset_work, hid_reset); setup_timer(&hid->io_retry, hid_retry_timeout, (unsigned long) hid); spin_lock_init(&hid->inlock); diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 9b591b8b936..e4e2cf2ba91 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -156,9 +156,9 @@ struct usb_ftdi { struct usb_device *udev; struct usb_interface *interface; struct usb_class_driver *class; - struct work_struct status_work; - struct work_struct command_work; - struct work_struct respond_work; + struct delayed_work status_work; + struct delayed_work command_work; + struct delayed_work respond_work; struct u132_platform_data platform_data; struct resource resources[0]; struct platform_device platform_dev; @@ -210,23 +210,14 @@ static void ftdi_elan_init_kref(struct usb_ftdi *ftdi) static void ftdi_status_requeue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(status_queue, &ftdi->status_work, delta)) - return; - } else if (queue_work(status_queue, &ftdi->status_work)) - return; - kref_put(&ftdi->kref, ftdi_elan_delete); - return; + if (!queue_delayed_work(status_queue, &ftdi->status_work, delta)) + kref_put(&ftdi->kref, ftdi_elan_delete); } static void ftdi_status_queue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(status_queue, &ftdi->status_work, delta)) - kref_get(&ftdi->kref); - } else if (queue_work(status_queue, &ftdi->status_work)) - kref_get(&ftdi->kref); - return; + if (queue_delayed_work(status_queue, &ftdi->status_work, delta)) + kref_get(&ftdi->kref); } static void ftdi_status_cancel_work(struct usb_ftdi *ftdi) @@ -237,25 +228,14 @@ static void ftdi_status_cancel_work(struct usb_ftdi *ftdi) static void ftdi_command_requeue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(command_queue, &ftdi->command_work, - delta)) - return; - } else if (queue_work(command_queue, &ftdi->command_work)) - return; - kref_put(&ftdi->kref, ftdi_elan_delete); - return; + if (!queue_delayed_work(command_queue, &ftdi->command_work, delta)) + kref_put(&ftdi->kref, ftdi_elan_delete); } static void ftdi_command_queue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(command_queue, &ftdi->command_work, - delta)) - kref_get(&ftdi->kref); - } else if (queue_work(command_queue, &ftdi->command_work)) - kref_get(&ftdi->kref); - return; + if (queue_delayed_work(command_queue, &ftdi->command_work, delta)) + kref_get(&ftdi->kref); } static void ftdi_command_cancel_work(struct usb_ftdi *ftdi) @@ -267,25 +247,14 @@ static void ftdi_command_cancel_work(struct usb_ftdi *ftdi) static void ftdi_response_requeue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(respond_queue, &ftdi->respond_work, - delta)) - return; - } else if (queue_work(respond_queue, &ftdi->respond_work)) - return; - kref_put(&ftdi->kref, ftdi_elan_delete); - return; + if (!queue_delayed_work(respond_queue, &ftdi->respond_work, delta)) + kref_put(&ftdi->kref, ftdi_elan_delete); } static void ftdi_respond_queue_work(struct usb_ftdi *ftdi, unsigned int delta) { - if (delta > 0) { - if (queue_delayed_work(respond_queue, &ftdi->respond_work, - delta)) - kref_get(&ftdi->kref); - } else if (queue_work(respond_queue, &ftdi->respond_work)) - kref_get(&ftdi->kref); - return; + if (queue_delayed_work(respond_queue, &ftdi->respond_work, delta)) + kref_get(&ftdi->kref); } static void ftdi_response_cancel_work(struct usb_ftdi *ftdi) @@ -475,9 +444,11 @@ static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi) return; } -static void ftdi_elan_command_work(void *data) +static void ftdi_elan_command_work(struct work_struct *work) { - struct usb_ftdi *ftdi = data; + struct usb_ftdi *ftdi = + container_of(work, struct usb_ftdi, command_work.work); + if (ftdi->disconnected > 0) { ftdi_elan_put_kref(ftdi); return; @@ -500,9 +471,10 @@ static void ftdi_elan_kick_respond_queue(struct usb_ftdi *ftdi) return; } -static void ftdi_elan_respond_work(void *data) +static void ftdi_elan_respond_work(struct work_struct *work) { - struct usb_ftdi *ftdi = data; + struct usb_ftdi *ftdi = + container_of(work, struct usb_ftdi, respond_work.work); if (ftdi->disconnected > 0) { ftdi_elan_put_kref(ftdi); return; @@ -534,9 +506,10 @@ static void ftdi_elan_respond_work(void *data) * after the FTDI has been synchronized * */ -static void ftdi_elan_status_work(void *data) +static void ftdi_elan_status_work(struct work_struct *work) { - struct usb_ftdi *ftdi = data; + struct usb_ftdi *ftdi = + container_of(work, struct usb_ftdi, status_work.work); int work_delay_in_msec = 0; if (ftdi->disconnected > 0) { ftdi_elan_put_kref(ftdi); @@ -2691,12 +2664,9 @@ static int ftdi_elan_probe(struct usb_interface *interface, ftdi->class = NULL; dev_info(&ftdi->udev->dev, "USB FDTI=%p ELAN interface %d now a" "ctivated\n", ftdi, iface_desc->desc.bInterfaceNumber); - INIT_WORK(&ftdi->status_work, ftdi_elan_status_work, - (void *)ftdi); - INIT_WORK(&ftdi->command_work, ftdi_elan_command_work, - (void *)ftdi); - INIT_WORK(&ftdi->respond_work, ftdi_elan_respond_work, - (void *)ftdi); + INIT_DELAYED_WORK(&ftdi->status_work, ftdi_elan_status_work); + INIT_DELAYED_WORK(&ftdi->command_work, ftdi_elan_command_work); + INIT_DELAYED_WORK(&ftdi->respond_work, ftdi_elan_respond_work); ftdi_status_queue_work(ftdi, msecs_to_jiffies(3 *1000)); return 0; } else { diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index abb4dcd811a..33e716c6a79 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -81,8 +81,8 @@ struct interfacekit { unsigned char *data; dma_addr_t data_dma; - struct work_struct do_notify; - struct work_struct do_resubmit; + struct delayed_work do_notify; + struct delayed_work do_resubmit; unsigned long input_events; unsigned long sensor_events; }; @@ -374,7 +374,7 @@ static void interfacekit_irq(struct urb *urb) } if (kit->input_events || kit->sensor_events) - schedule_work(&kit->do_notify); + schedule_delayed_work(&kit->do_notify, 0); resubmit: status = usb_submit_urb(urb, SLAB_ATOMIC); @@ -384,9 +384,10 @@ resubmit: kit->udev->devpath, status); } -static void do_notify(void *data) +static void do_notify(struct work_struct *work) { - struct interfacekit *kit = data; + struct interfacekit *kit = + container_of(work, struct interfacekit, do_notify.work); int i; char sysfs_file[8]; @@ -405,9 +406,11 @@ static void do_notify(void *data) } } -static void do_resubmit(void *data) +static void do_resubmit(struct work_struct *work) { - set_outputs(data); + struct interfacekit *kit = + container_of(work, struct interfacekit, do_resubmit.work); + set_outputs(kit); } #define show_set_output(value) \ @@ -575,8 +578,8 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic kit->udev = usb_get_dev(dev); kit->intf = intf; - INIT_WORK(&kit->do_notify, do_notify, kit); - INIT_WORK(&kit->do_resubmit, do_resubmit, kit); + INIT_DELAYED_WORK(&kit->do_notify, do_notify); + INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit); usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, interfacekit_irq, kit, endpoint->bInterval); diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 5c780cab92e..0385ffcc741 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -41,7 +41,7 @@ struct motorcontrol { unsigned char *data; dma_addr_t data_dma; - struct work_struct do_notify; + struct delayed_work do_notify; unsigned long input_events; unsigned long speed_events; unsigned long exceed_events; @@ -148,7 +148,7 @@ static void motorcontrol_irq(struct urb *urb) set_bit(1, &mc->exceed_events); if (mc->input_events || mc->exceed_events || mc->speed_events) - schedule_work(&mc->do_notify); + schedule_delayed_work(&mc->do_notify, 0); resubmit: status = usb_submit_urb(urb, SLAB_ATOMIC); @@ -159,9 +159,10 @@ resubmit: mc->udev->devpath, status); } -static void do_notify(void *data) +static void do_notify(struct work_struct *work) { - struct motorcontrol *mc = data; + struct motorcontrol *mc = + container_of(work, struct motorcontrol, do_notify.work); int i; char sysfs_file[8]; @@ -348,7 +349,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic mc->udev = usb_get_dev(dev); mc->intf = intf; mc->acceleration[0] = mc->acceleration[1] = 10; - INIT_WORK(&mc->do_notify, do_notify, mc); + INIT_DELAYED_WORK(&mc->do_notify, do_notify); usb_fill_int_urb(mc->irq, mc->udev, pipe, mc->data, maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, motorcontrol_irq, mc, endpoint->bInterval); diff --git a/drivers/usb/net/kaweth.c b/drivers/usb/net/kaweth.c index 7c906a43e49..fa78326d0bf 100644 --- a/drivers/usb/net/kaweth.c +++ b/drivers/usb/net/kaweth.c @@ -222,7 +222,7 @@ struct kaweth_device int suspend_lowmem_ctrl; int linkstate; int opened; - struct work_struct lowmem_work; + struct delayed_work lowmem_work; struct usb_device *dev; struct net_device *net; @@ -530,9 +530,10 @@ resubmit: kaweth_resubmit_int_urb(kaweth, GFP_ATOMIC); } -static void kaweth_resubmit_tl(void *d) +static void kaweth_resubmit_tl(struct work_struct *work) { - struct kaweth_device *kaweth = (struct kaweth_device *)d; + struct kaweth_device *kaweth = + container_of(work, struct kaweth_device, lowmem_work.work); if (IS_BLOCKED(kaweth->status)) return; @@ -1126,7 +1127,7 @@ err_fw: /* kaweth is zeroed as part of alloc_netdev */ - INIT_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl, (void *)kaweth); + INIT_DELAYED_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl); SET_MODULE_OWNER(netdev); diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index 33abbd2176b..78cf6f09128 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -1280,9 +1280,9 @@ static inline void setup_pegasus_II(pegasus_t * pegasus) static struct workqueue_struct *pegasus_workqueue = NULL; #define CARRIER_CHECK_DELAY (2 * HZ) -static void check_carrier(void *data) +static void check_carrier(struct work_struct *work) { - pegasus_t *pegasus = data; + pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); set_carrier(pegasus->net); if (!(pegasus->flags & PEGASUS_UNPLUG)) { queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, @@ -1318,7 +1318,7 @@ static int pegasus_probe(struct usb_interface *intf, tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus); - INIT_WORK(&pegasus->carrier_check, check_carrier, pegasus); + INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); pegasus->intf = intf; pegasus->usb = dev; diff --git a/drivers/usb/net/pegasus.h b/drivers/usb/net/pegasus.h index 006438069b6..98f6898cae1 100644 --- a/drivers/usb/net/pegasus.h +++ b/drivers/usb/net/pegasus.h @@ -95,7 +95,7 @@ typedef struct pegasus { int dev_index; int intr_interval; struct tasklet_struct rx_tl; - struct work_struct carrier_check; + struct delayed_work carrier_check; struct urb *ctrl_urb, *rx_urb, *tx_urb, *intr_urb; struct sk_buff *rx_pool[RX_SKBS]; struct sk_buff *rx_skb; diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c index 760b5327b81..79b5474fe23 100644 --- a/drivers/usb/net/usbnet.c +++ b/drivers/usb/net/usbnet.c @@ -782,9 +782,10 @@ static struct ethtool_ops usbnet_ethtool_ops = { * especially now that control transfers can be queued. */ static void -kevent (void *data) +kevent (struct work_struct *work) { - struct usbnet *dev = data; + struct usbnet *dev = + container_of(work, struct usbnet, kevent); int status; /* usb_clear_halt() needs a thread context */ @@ -1146,7 +1147,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) skb_queue_head_init (&dev->done); dev->bh.func = usbnet_bh; dev->bh.data = (unsigned long) dev; - INIT_WORK (&dev->kevent, kevent, dev); + INIT_WORK (&dev->kevent, kevent); dev->delay.function = usbnet_bh; dev->delay.data = (unsigned long) dev; init_timer (&dev->delay); diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 81227550913..2a4ac9bd6a3 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -92,6 +92,7 @@ struct aircable_private { struct circ_buf *rx_buf; /* read buffer */ int rx_flags; /* for throttilng */ struct work_struct rx_work; /* work cue for the receiving line */ + struct usb_serial_port *port; /* USB port with which associated */ }; /* Private methods */ @@ -251,10 +252,11 @@ static void aircable_send(struct usb_serial_port *port) schedule_work(&port->work); } -static void aircable_read(void *params) +static void aircable_read(struct work_struct *work) { - struct usb_serial_port *port = params; - struct aircable_private *priv = usb_get_serial_port_data(port); + struct aircable_private *priv = + container_of(work, struct aircable_private, rx_work); + struct usb_serial_port *port = priv->port; struct tty_struct *tty; unsigned char *data; int count; @@ -348,7 +350,8 @@ static int aircable_attach (struct usb_serial *serial) } priv->rx_flags &= ~(THROTTLED | ACTUALLY_THROTTLED); - INIT_WORK(&priv->rx_work, aircable_read, port); + priv->port = port; + INIT_WORK(&priv->rx_work, aircable_read); usb_set_serial_port_data(serial->port[0], priv); @@ -515,7 +518,7 @@ static void aircable_read_bulk_callback(struct urb *urb) package_length - shift); } } - aircable_read(port); + aircable_read(&priv->rx_work); } /* Schedule the next read _if_ we are still open */ diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index bdb58100fc1..fd159b040bf 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -430,13 +430,14 @@ struct digi_port { int dp_in_close; /* close in progress */ wait_queue_head_t dp_close_wait; /* wait queue for close */ struct work_struct dp_wakeup_work; + struct usb_serial_port *dp_port; }; /* Local Function Declarations */ static void digi_wakeup_write( struct usb_serial_port *port ); -static void digi_wakeup_write_lock(void *); +static void digi_wakeup_write_lock(struct work_struct *work); static int digi_write_oob_command( struct usb_serial_port *port, unsigned char *buf, int count, int interruptible ); static int digi_write_inb_command( struct usb_serial_port *port, @@ -598,11 +599,12 @@ static inline long cond_wait_interruptible_timeout_irqrestore( * on writes. */ -static void digi_wakeup_write_lock(void *arg) +static void digi_wakeup_write_lock(struct work_struct *work) { - struct usb_serial_port *port = arg; + struct digi_port *priv = + container_of(work, struct digi_port, dp_wakeup_work); + struct usb_serial_port *port = priv->dp_port; unsigned long flags; - struct digi_port *priv = usb_get_serial_port_data(port); spin_lock_irqsave( &priv->dp_port_lock, flags ); @@ -1702,8 +1704,8 @@ dbg( "digi_startup: TOP" ); init_waitqueue_head( &priv->dp_flush_wait ); priv->dp_in_close = 0; init_waitqueue_head( &priv->dp_close_wait ); - INIT_WORK(&priv->dp_wakeup_work, - digi_wakeup_write_lock, serial->port[i]); + INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock); + priv->dp_port = serial->port[i]; /* initialize write wait queue for this port */ init_waitqueue_head( &serial->port[i]->write_wait ); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c186b4e73c7..88ed5c1d236 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -559,7 +559,8 @@ struct ftdi_private { char prev_status, diff_status; /* Used for TIOCMIWAIT */ __u8 rx_flags; /* receive state flags (throttling) */ spinlock_t rx_lock; /* spinlock for receive state */ - struct work_struct rx_work; + struct delayed_work rx_work; + struct usb_serial_port *port; int rx_processed; unsigned long rx_bytes; @@ -593,7 +594,7 @@ static int ftdi_write_room (struct usb_serial_port *port); static int ftdi_chars_in_buffer (struct usb_serial_port *port); static void ftdi_write_bulk_callback (struct urb *urb); static void ftdi_read_bulk_callback (struct urb *urb); -static void ftdi_process_read (void *param); +static void ftdi_process_read (struct work_struct *work); static void ftdi_set_termios (struct usb_serial_port *port, struct termios * old); static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file); static int ftdi_tiocmset (struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear); @@ -1201,7 +1202,8 @@ static int ftdi_sio_attach (struct usb_serial *serial) port->read_urb->transfer_buffer_length = BUFSZ; } - INIT_WORK(&priv->rx_work, ftdi_process_read, port); + INIT_DELAYED_WORK(&priv->rx_work, ftdi_process_read); + priv->port = port; /* Free port's existing write urb and transfer buffer. */ if (port->write_urb) { @@ -1641,17 +1643,18 @@ static void ftdi_read_bulk_callback (struct urb *urb) priv->rx_bytes += countread; spin_unlock_irqrestore(&priv->rx_lock, flags); - ftdi_process_read(port); + ftdi_process_read(&priv->rx_work.work); } /* ftdi_read_bulk_callback */ -static void ftdi_process_read (void *param) +static void ftdi_process_read (struct work_struct *work) { /* ftdi_process_read */ - struct usb_serial_port *port = (struct usb_serial_port*)param; + struct ftdi_private *priv = + container_of(work, struct ftdi_private, rx_work.work); + struct usb_serial_port *port = priv->port; struct urb *urb; struct tty_struct *tty; - struct ftdi_private *priv; char error_flag; unsigned char *data; @@ -2180,7 +2183,7 @@ static void ftdi_unthrottle (struct usb_serial_port *port) spin_unlock_irqrestore(&priv->rx_lock, flags); if (actually_throttled) - schedule_work(&priv->rx_work); + schedule_delayed_work(&priv->rx_work, 0); } static int __init ftdi_init (void) diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 909005107ea..e09a0bfe623 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -120,6 +120,8 @@ struct keyspan_pda_private { int tx_throttled; struct work_struct wakeup_work; struct work_struct unthrottle_work; + struct usb_serial *serial; + struct usb_serial_port *port; }; @@ -175,9 +177,11 @@ static struct usb_device_id id_table_fake_xircom [] = { }; #endif -static void keyspan_pda_wakeup_write( struct usb_serial_port *port ) +static void keyspan_pda_wakeup_write(struct work_struct *work) { - + struct keyspan_pda_private *priv = + container_of(work, struct keyspan_pda_private, wakeup_work); + struct usb_serial_port *port = priv->port; struct tty_struct *tty = port->tty; /* wake up port processes */ @@ -187,8 +191,11 @@ static void keyspan_pda_wakeup_write( struct usb_serial_port *port ) tty_wakeup(tty); } -static void keyspan_pda_request_unthrottle( struct usb_serial *serial ) +static void keyspan_pda_request_unthrottle(struct work_struct *work) { + struct keyspan_pda_private *priv = + container_of(work, struct keyspan_pda_private, unthrottle_work); + struct usb_serial *serial = priv->serial; int result; dbg(" request_unthrottle"); @@ -765,11 +772,10 @@ static int keyspan_pda_startup (struct usb_serial *serial) return (1); /* error */ usb_set_serial_port_data(serial->port[0], priv); init_waitqueue_head(&serial->port[0]->write_wait); - INIT_WORK(&priv->wakeup_work, (void *)keyspan_pda_wakeup_write, - (void *)(serial->port[0])); - INIT_WORK(&priv->unthrottle_work, - (void *)keyspan_pda_request_unthrottle, - (void *)(serial)); + INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write); + INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle); + priv->serial = serial; + priv->port = serial->port[0]; return (0); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8006e51c34b..2cfba8488a9 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -533,9 +533,10 @@ void usb_serial_port_softint(struct usb_serial_port *port) schedule_work(&port->work); } -static void usb_serial_port_work(void *private) +static void usb_serial_port_work(struct work_struct *work) { - struct usb_serial_port *port = private; + struct usb_serial_port *port = + container_of(work, struct usb_serial_port, work); struct tty_struct *tty; dbg("%s - port %d", __FUNCTION__, port->number); @@ -799,7 +800,7 @@ int usb_serial_probe(struct usb_interface *interface, port->serial = serial; spin_lock_init(&port->lock); mutex_init(&port->mutex); - INIT_WORK(&port->work, usb_serial_port_work, port); + INIT_WORK(&port->work, usb_serial_port_work); serial->port[i] = port; } diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 4d1cd7aeccd..154c7d29059 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -227,6 +227,7 @@ struct whiteheat_private { struct list_head rx_urbs_submitted; struct list_head rx_urb_q; struct work_struct rx_work; + struct usb_serial_port *port; struct list_head tx_urbs_free; struct list_head tx_urbs_submitted; }; @@ -241,7 +242,7 @@ static void command_port_read_callback(struct urb *urb); static int start_port_read(struct usb_serial_port *port); static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb, struct list_head *head); static struct list_head *list_first(struct list_head *head); -static void rx_data_softint(void *private); +static void rx_data_softint(struct work_struct *work); static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize); static int firm_open(struct usb_serial_port *port); @@ -424,7 +425,8 @@ static int whiteheat_attach (struct usb_serial *serial) spin_lock_init(&info->lock); info->flags = 0; info->mcr = 0; - INIT_WORK(&info->rx_work, rx_data_softint, port); + INIT_WORK(&info->rx_work, rx_data_softint); + info->port = port; INIT_LIST_HEAD(&info->rx_urbs_free); INIT_LIST_HEAD(&info->rx_urbs_submitted); @@ -949,7 +951,7 @@ static void whiteheat_unthrottle (struct usb_serial_port *port) spin_unlock_irqrestore(&info->lock, flags); if (actually_throttled) - rx_data_softint(port); + rx_data_softint(&info->rx_work); return; } @@ -1400,10 +1402,11 @@ static struct list_head *list_first(struct list_head *head) } -static void rx_data_softint(void *private) +static void rx_data_softint(struct work_struct *work) { - struct usb_serial_port *port = (struct usb_serial_port *)private; - struct whiteheat_private *info = usb_get_serial_port_data(port); + struct whiteheat_private *info = + container_of(work, struct whiteheat_private, rx_work); + struct usb_serial_port *port = info->port; struct tty_struct *tty = port->tty; struct whiteheat_urb_wrap *wrap; struct urb *urb; diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 302174b8e47..31f476a6479 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -383,9 +383,9 @@ static void fbcon_update_softback(struct vc_data *vc) softback_top = 0; } -static void fb_flashcursor(void *private) +static void fb_flashcursor(struct work_struct *work) { - struct fb_info *info = private; + struct fb_info *info = container_of(work, struct fb_info, queue); struct fbcon_ops *ops = info->fbcon_par; struct display *p; struct vc_data *vc = NULL; @@ -442,7 +442,7 @@ static void fbcon_add_cursor_timer(struct fb_info *info) if ((!info->queue.func || info->queue.func == fb_flashcursor) && !(ops->flags & FBCON_FLAGS_CURSOR_TIMER)) { if (!info->queue.func) - INIT_WORK(&info->queue, fb_flashcursor, info); + INIT_WORK(&info->queue, fb_flashcursor); init_timer(&ops->cursor_timer); ops->cursor_timer.function = cursor_timer_handler; -- cgit v1.2.3 From dea22214790d1306f3a3444db13d2c726037b189 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Tue, 7 Nov 2006 17:28:55 -0800 Subject: [PATCH] aic94xx: handle REQ_DEVICE_RESET This patch implements a REQ_DEVICE_RESET handler for the aic94xx driver. Like the earlier REQ_TASK_ABORT patch, this patch defers the device reset to the Scsi_Host's workqueue, which has the added benefit of ensuring that the device reset does not happen at the same time that the abort tmfs are being processed. After the phy reset, the busted drive should go away and be re-detected later, which is indeed what I've seen on both a x260 and a x206m. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_scb.c | 51 ++++++++++++++++++++++++++++++++----- drivers/scsi/libsas/sas_init.c | 2 +- drivers/scsi/libsas/sas_scsi_host.c | 1 + 3 files changed, 46 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index 1911c5d1787..a014418d670 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -343,6 +343,27 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id) } } +/* hard reset a phy later */ +static void do_phy_reset_later(void *data) +{ + struct sas_phy *sas_phy = data; + int error; + + ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__, + sas_phy->identify.phy_identifier); + /* Reset device port */ + error = sas_phy_reset(sas_phy, 1); + if (error) + ASD_DPRINTK("%s: Hard reset of phy %d failed (%d).\n", + __FUNCTION__, sas_phy->identify.phy_identifier, error); +} + +static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost) +{ + INIT_WORK(&sas_phy->reset_work, do_phy_reset_later, sas_phy); + queue_work(shost->work_q, &sas_phy->reset_work); +} + /* start up the ABORT TASK tmf... */ static void task_kill_later(struct asd_ascb *ascb) { @@ -402,7 +423,9 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, goto out; } case REQ_DEVICE_RESET: { - struct asd_ascb *a, *b; + struct Scsi_Host *shost = sas_ha->core.shost; + struct sas_phy *dev_phy; + struct asd_ascb *a; u16 conn_handle; conn_handle = *((u16*)(&dl->status_block[1])); @@ -412,17 +435,31 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, dl->status_block[3]); /* Kill all pending tasks and reset the device */ - list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) { - struct sas_task *task = a->uldd_task; - struct domain_device *dev = task->dev; + dev_phy = NULL; + list_for_each_entry(a, &asd_ha->seq.pend_q, list) { + struct sas_task *task; + struct domain_device *dev; u16 x; - x = *((u16*)(&dev->lldd_dev)); - if (x == conn_handle) + task = a->uldd_task; + if (!task) + continue; + dev = task->dev; + + x = (u16)dev->lldd_dev; + if (x == conn_handle) { + dev_phy = dev->port->phy; task_kill_later(a); + } } - /* FIXME: Reset device port (huh?) */ + /* Reset device port */ + if (!dev_phy) { + ASD_DPRINTK("%s: No pending commands; can't reset.\n", + __FUNCTION__); + goto out; + } + phy_reset_later(dev_phy, shost); goto out; } case SIGNAL_NCQ_ERROR: diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index a2b479a6590..0fb347b4b1a 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -144,7 +144,7 @@ static int sas_get_linkerrors(struct sas_phy *phy) return sas_smp_get_phy_events(phy); } -static int sas_phy_reset(struct sas_phy *phy, int hard_reset) +int sas_phy_reset(struct sas_phy *phy, int hard_reset) { int ret; enum phy_func reset_type; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index c5fd3752272..e064aac06b9 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -865,3 +865,4 @@ EXPORT_SYMBOL_GPL(sas_change_queue_depth); EXPORT_SYMBOL_GPL(sas_change_queue_type); EXPORT_SYMBOL_GPL(sas_bios_param); EXPORT_SYMBOL_GPL(sas_task_abort); +EXPORT_SYMBOL_GPL(sas_phy_reset); -- cgit v1.2.3 From 7b4feee973ca7be63345b92a987ef7ef879b179b Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Tue, 14 Nov 2006 18:02:07 -0800 Subject: [PATCH] aic94xx: delete ascb timers when freeing queues When the aic94xx driver creates ascbs, each ascb is initialized with a timeout timer. If there are any ascbs left over when the driver is being torn down, these timers need to be deleted. In particular, we seem to hit this case when ascbs are issued yet never end up on the done list. Right now there's a sequencer bug that results in this happening every so often. CONTROL PHY commands are typically sent when things are really messed up with the sequencer; however, any other leftover ascb should produce loud warnings. Signed-off-by: Darrick J. Wong Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_init.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index 99743ca29ca..3a5bbba3976 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -724,6 +724,15 @@ static void asd_free_queues(struct asd_ha_struct *asd_ha) list_for_each_safe(pos, n, &pending) { struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); + /* + * Delete unexpired ascb timers. This may happen if we issue + * a CONTROL PHY scb to an adapter and rmmod before the scb + * times out. Apparently we don't wait for the CONTROL PHY + * to complete, so it doesn't matter if we kill the timer. + */ + del_timer_sync(&ascb->timer); + WARN_ON(ascb->scb->header.opcode != CONTROL_PHY); + list_del_init(pos); ASD_DPRINTK("freeing from pending\n"); asd_ascb_free(ascb); -- cgit v1.2.3 From f26b90440cd74c78fe10c9bd5160809704a9627c Mon Sep 17 00:00:00 2001 From: David C Somayajulu Date: Wed, 15 Nov 2006 16:41:09 -0800 Subject: [PATCH] qla4xxx: bug fix: driver hardware semaphore needs to be grabbed before soft reset On qla4xxx, the driver needs to grab the drvr semaphore provided by the hardware, prior to issuing a reset. This patches takes care of a couple of places where it was not being done. In addition there is minor clean up. Signed-off-by: David Somayajulu Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_glbl.h | 1 + drivers/scsi/qla4xxx/ql4_init.c | 2 +- drivers/scsi/qla4xxx/ql4_os.c | 42 +++++++++++--------------------------- drivers/scsi/qla4xxx/ql4_version.h | 7 +------ 4 files changed, 15 insertions(+), 37 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index 1b221ff0f6f..eeefdcb1edb 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -8,6 +8,7 @@ #ifndef __QLA4x_GBL_H #define __QLA4x_GBL_H +int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a); int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port); int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb); int qla4xxx_initialize_adapter(struct scsi_qla_host * ha, diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index bb3a1c11f44..9e81b810dc8 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -978,7 +978,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) return status; } -static int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) +int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a) { #define QL4_LOCK_DRVR_WAIT 300 #define QL4_LOCK_DRVR_SLEEP 100 diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 5b8db610953..bab434ee774 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -919,18 +919,11 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha, if (status == QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", ha->host_no, __func__)); - status = qla4xxx_soft_reset(ha); - } - /* FIXMEkaren: Do we want to keep interrupts enabled and process - AENs after soft reset */ - - /* If firmware (SOFT) reset failed, or if all outstanding - * commands have not returned, then do a HARD reset. - */ - if (status == QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s - Performing hard reset..\n", - ha->host_no, __func__)); - status = qla4xxx_hard_reset(ha); + qla4xxx_flush_active_srbs(ha); + if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) + status = qla4xxx_soft_reset(ha); + else + status = QLA_ERROR; } /* Flush any pending ddb changed AENs */ @@ -1016,13 +1009,9 @@ static void qla4xxx_do_dpc(void *data) struct scsi_qla_host *ha = (struct scsi_qla_host *) data; struct ddb_entry *ddb_entry, *dtemp; - DEBUG2(printk("scsi%ld: %s: DPC handler waking up.\n", - ha->host_no, __func__)); - - DEBUG2(printk("scsi%ld: %s: ha->flags = 0x%08lx\n", - ha->host_no, __func__, ha->flags)); - DEBUG2(printk("scsi%ld: %s: ha->dpc_flags = 0x%08lx\n", - ha->host_no, __func__, ha->dpc_flags)); + DEBUG2(printk("scsi%ld: %s: DPC handler waking up." + "flags = 0x%08lx, dpc_flags = 0x%08lx\n", + ha->host_no, __func__, ha->flags, ha->dpc_flags)); /* Initialization not yet finished. Don't do anything yet. */ if (!test_bit(AF_INIT_DONE, &ha->flags)) @@ -1032,16 +1021,8 @@ static void qla4xxx_do_dpc(void *data) test_bit(DPC_RESET_HA, &ha->dpc_flags) || test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) { - if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags)) - /* - * dg 09/23 Never initialize ddb list - * once we up and running - * qla4xxx_recover_adapter(ha, - * REBUILD_DDB_LIST); - */ - qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST); - - if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) + if (test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) || + test_bit(DPC_RESET_HA, &ha->dpc_flags)) qla4xxx_recover_adapter(ha, PRESERVE_DDB_LIST); if (test_and_clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { @@ -1122,7 +1103,8 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha) destroy_workqueue(ha->dpc_thread); /* Issue Soft Reset to put firmware in unknown state */ - qla4xxx_soft_reset(ha); + if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) + qla4xxx_soft_reset(ha); /* Remove timer thread, if present */ if (ha->timer_active) diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index b3fe7e68988..d05048b4e88 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,9 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.00.05b9-k" - -#define QL4_DRIVER_MAJOR_VER 5 -#define QL4_DRIVER_MINOR_VER 0 -#define QL4_DRIVER_PATCH_VER 5 -#define QL4_DRIVER_BETA_VER 9 +#define QLA4XXX_DRIVER_VERSION "5.00.06-k" -- cgit v1.2.3 From e138a5d2356729b8752e88520cc1525fae9794ac Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Wed, 22 Nov 2006 11:54:15 -0600 Subject: [SCSI] aic94xx: fix pointer to integer conversion warning Signed-off-by: James Bottomley --- drivers/scsi/aic94xx/aic94xx_scb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index a014418d670..52c6ea4fbf7 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -446,7 +446,7 @@ static void escb_tasklet_complete(struct asd_ascb *ascb, continue; dev = task->dev; - x = (u16)dev->lldd_dev; + x = (unsigned long)dev->lldd_dev; if (x == conn_handle) { dev_phy = dev->port->phy; task_kill_later(a); -- cgit v1.2.3 From d915058f48745c0d5c4582566e5aa63867264f81 Mon Sep 17 00:00:00 2001 From: David C Somayajulu Date: Wed, 15 Nov 2006 17:38:40 -0800 Subject: [SCSI] qla4xxx: add support for qla4032 This patch provides the following: 1. adds support for the next version of Qlogic's iSCSI HBA, qla4032 (PCI Device ID 4032). 2. removes dead code related to topcat chip and renames qla4010_soft_reset to qla4xxx_soft_reset (minor changes). Signed-off-by: David Somayajulu Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_dbg.c | 4 +- drivers/scsi/qla4xxx/ql4_def.h | 105 ++++++++++++++++++++----------------- drivers/scsi/qla4xxx/ql4_fw.h | 7 ++- drivers/scsi/qla4xxx/ql4_glbl.h | 2 +- drivers/scsi/qla4xxx/ql4_init.c | 45 ++++------------ drivers/scsi/qla4xxx/ql4_inline.h | 4 +- drivers/scsi/qla4xxx/ql4_iocb.c | 6 +++ drivers/scsi/qla4xxx/ql4_isr.c | 1 + drivers/scsi/qla4xxx/ql4_nvram.c | 6 +-- drivers/scsi/qla4xxx/ql4_nvram.h | 4 +- drivers/scsi/qla4xxx/ql4_os.c | 75 +++----------------------- drivers/scsi/qla4xxx/ql4_version.h | 2 +- 12 files changed, 98 insertions(+), 163 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c index 752031fadfe..7b4e077a39c 100644 --- a/drivers/scsi/qla4xxx/ql4_dbg.c +++ b/drivers/scsi/qla4xxx/ql4_dbg.c @@ -71,7 +71,7 @@ void __dump_registers(struct scsi_qla_host *ha) readw(&ha->reg->u1.isp4010.nvram)); } - else if (is_qla4022(ha)) { + else if (is_qla4022(ha) | is_qla4032(ha)) { printk(KERN_INFO "0x%02X intr_mask = 0x%08X\n", (uint8_t) offsetof(struct isp_reg, u1.isp4022.intr_mask), @@ -119,7 +119,7 @@ void __dump_registers(struct scsi_qla_host *ha) readw(&ha->reg->u2.isp4010.port_err_status)); } - else if (is_qla4022(ha)) { + else if (is_qla4022(ha) | is_qla4032(ha)) { printk(KERN_INFO "Page 0 Registers:\n"); printk(KERN_INFO "0x%02X ext_hw_conf = 0x%08X\n", (uint8_t) offsetof(struct isp_reg, diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index a7f6c7b1c59..4249e52a559 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -40,7 +40,11 @@ #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022 -#endif /* */ +#endif + +#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032 +#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032 +#endif #define QLA_SUCCESS 0 #define QLA_ERROR 1 @@ -277,7 +281,6 @@ struct scsi_qla_host { #define AF_INTERRUPTS_ON 6 /* 0x00000040 Not Used */ #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */ #define AF_LINK_UP 8 /* 0x00000100 */ -#define AF_TOPCAT_CHIP_PRESENT 9 /* 0x00000200 */ #define AF_IRQ_ATTACHED 10 /* 0x00000400 */ #define AF_ISNS_CMD_IN_PROCESS 12 /* 0x00001000 */ #define AF_ISNS_CMD_DONE 13 /* 0x00002000 */ @@ -317,16 +320,17 @@ struct scsi_qla_host { /* NVRAM registers */ struct eeprom_data *nvram; spinlock_t hardware_lock ____cacheline_aligned; - spinlock_t list_lock; uint32_t eeprom_cmd_data; /* Counters for general statistics */ + uint64_t isr_count; uint64_t adapter_error_count; uint64_t device_error_count; uint64_t total_io_count; uint64_t total_mbytes_xferred; uint64_t link_failure_count; uint64_t invalid_crc_count; + uint32_t bytes_xfered; uint32_t spurious_int_count; uint32_t aborted_io_count; uint32_t io_timeout_count; @@ -438,6 +442,11 @@ static inline int is_qla4022(struct scsi_qla_host *ha) return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022; } +static inline int is_qla4032(struct scsi_qla_host *ha) +{ + return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032; +} + static inline int adapter_up(struct scsi_qla_host *ha) { return (test_bit(AF_ONLINE, &ha->flags) != 0) && @@ -451,58 +460,58 @@ static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u1.isp4022.semaphore : - &ha->reg->u1.isp4010.nvram); + return (is_qla4010(ha) ? + &ha->reg->u1.isp4010.nvram : + &ha->reg->u1.isp4022.semaphore); } static inline void __iomem* isp_nvram(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u1.isp4022.nvram : - &ha->reg->u1.isp4010.nvram); + return (is_qla4010(ha) ? + &ha->reg->u1.isp4010.nvram : + &ha->reg->u1.isp4022.nvram); } static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.ext_hw_conf : - &ha->reg->u2.isp4010.ext_hw_conf); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.ext_hw_conf : + &ha->reg->u2.isp4022.p0.ext_hw_conf); } static inline void __iomem* isp_port_status(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_status : - &ha->reg->u2.isp4010.port_status); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_status : + &ha->reg->u2.isp4022.p0.port_status); } static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_ctrl : - &ha->reg->u2.isp4010.port_ctrl); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_ctrl : + &ha->reg->u2.isp4022.p0.port_ctrl); } static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.port_err_status : - &ha->reg->u2.isp4010.port_err_status); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.port_err_status : + &ha->reg->u2.isp4022.p0.port_err_status); } static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - &ha->reg->u2.isp4022.p0.gp_out : - &ha->reg->u2.isp4010.gp_out); + return (is_qla4010(ha) ? + &ha->reg->u2.isp4010.gp_out : + &ha->reg->u2.isp4022.p0.gp_out); } static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha) { - return (is_qla4022(ha) ? - offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2 : - offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2); + return (is_qla4010(ha) ? + offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 : + offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2); } int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); @@ -511,59 +520,59 @@ int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); static inline int ql4xxx_lock_flash(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, + QL4010_FLASH_SEM_BITS); + else return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 13); - else - return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, - QL4010_FLASH_SEM_BITS); } static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); } static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, + QL4010_NVRAM_SEM_BITS); + else return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 10); - else - return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, - QL4010_NVRAM_SEM_BITS); } static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); } static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a) { - if (is_qla4022(a)) + if (is_qla4010(a)) + return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, + QL4010_DRVR_SEM_BITS); + else return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK, (QL4022_RESOURCE_BITS_BASE_CODE | (a->mac_index)) << 1); - else - return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, - QL4010_DRVR_SEM_BITS); } static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a) { - if (is_qla4022(a)) - ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); - else + if (is_qla4010(a)) ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK); + else + ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); } /*---------------------------------------------------------------------------*/ diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index 427489de64b..4eea8c57191 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -296,7 +296,6 @@ static inline uint32_t clr_rmask(uint32_t val) /* ISP Semaphore definitions */ /* ISP General Purpose Output definitions */ -#define GPOR_TOPCAT_RESET 0x00000004 /* shadow registers (DMA'd from HA to system memory. read only) */ struct shadow_regs { @@ -339,10 +338,13 @@ union external_hw_config_reg { /* Mailbox command definitions */ #define MBOX_CMD_ABOUT_FW 0x0009 #define MBOX_CMD_LUN_RESET 0x0016 +#define MBOX_CMD_GET_MANAGEMENT_DATA 0x001E #define MBOX_CMD_GET_FW_STATUS 0x001F #define MBOX_CMD_SET_ISNS_SERVICE 0x0021 #define ISNS_DISABLE 0 #define ISNS_ENABLE 1 +#define MBOX_CMD_COPY_FLASH 0x0024 +#define MBOX_CMD_WRITE_FLASH 0x0025 #define MBOX_CMD_READ_FLASH 0x0026 #define MBOX_CMD_CLEAR_DATABASE_ENTRY 0x0031 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT 0x0056 @@ -360,10 +362,13 @@ union external_hw_config_reg { #define DDB_DS_SESSION_FAILED 0x06 #define DDB_DS_LOGIN_IN_PROCESS 0x07 #define MBOX_CMD_GET_FW_STATE 0x0069 +#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A +#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087 /* Mailbox 1 */ #define FW_STATE_READY 0x0000 #define FW_STATE_CONFIG_WAIT 0x0001 +#define FW_STATE_WAIT_LOGIN 0x0002 #define FW_STATE_ERROR 0x0004 #define FW_STATE_DHCP_IN_PROGRESS 0x0008 diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index eeefdcb1edb..2122967bbf0 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -76,4 +76,4 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host * ha, extern int ql4xextended_error_logging; extern int ql4xdiscoverywait; extern int ql4xdontresethba; -#endif /* _QLA4x_GBL_H */ +#endif /* _QLA4x_GBL_H */ diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 9e81b810dc8..cc210f297a7 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -259,10 +259,16 @@ static int qla4xxx_fw_ready(struct scsi_qla_host *ha) "seconds expired= %d\n", ha->host_no, __func__, ha->firmware_state, ha->addl_fw_state, timeout_count)); + if (is_qla4032(ha) && + !(ha->addl_fw_state & FW_ADDSTATE_LINK_UP) && + (timeout_count < ADAPTER_INIT_TOV - 5)) { + break; + } + msleep(1000); } /* end of for */ - if (timeout_count <= 0) + if (timeout_count == 0) DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n", ha->host_no, __func__)); @@ -806,32 +812,6 @@ int qla4xxx_relogin_device(struct scsi_qla_host *ha, return QLA_SUCCESS; } -/** - * qla4010_get_topcat_presence - check if it is QLA4040 TopCat Chip - * @ha: Pointer to host adapter structure. - * - **/ -static int qla4010_get_topcat_presence(struct scsi_qla_host *ha) -{ - unsigned long flags; - uint16_t topcat; - - if (ql4xxx_lock_nvram(ha) != QLA_SUCCESS) - return QLA_ERROR; - spin_lock_irqsave(&ha->hardware_lock, flags); - topcat = rd_nvram_word(ha, offsetof(struct eeprom_data, - isp4010.topcat)); - spin_unlock_irqrestore(&ha->hardware_lock, flags); - - if ((topcat & TOPCAT_MASK) == TOPCAT_PRESENT) - set_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags); - else - clear_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags); - ql4xxx_unlock_nvram(ha); - return QLA_SUCCESS; -} - - static int qla4xxx_config_nvram(struct scsi_qla_host *ha) { unsigned long flags; @@ -866,7 +846,7 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha) /* set defaults */ if (is_qla4010(ha)) extHwConfig.Asuint32_t = 0x1912; - else if (is_qla4022(ha)) + else if (is_qla4022(ha) | is_qla4032(ha)) extHwConfig.Asuint32_t = 0x0023; } DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", @@ -927,7 +907,7 @@ static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host *ha) spin_lock_irqsave(&ha->hardware_lock, flags); writel(jiffies, &ha->reg->mailbox[7]); - if (is_qla4022(ha)) + if (is_qla4022(ha) | is_qla4032(ha)) writel(set_rmask(NVR_WRITE_ENABLE), &ha->reg->u1.isp4022.nvram); @@ -1018,12 +998,7 @@ static int qla4xxx_start_firmware(struct scsi_qla_host *ha) int soft_reset = 1; int config_chip = 0; - if (is_qla4010(ha)){ - if (qla4010_get_topcat_presence(ha) != QLA_SUCCESS) - return QLA_ERROR; - } - - if (is_qla4022(ha)) + if (is_qla4022(ha) | is_qla4032(ha)) ql4xxx_set_mac_number(ha); if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) diff --git a/drivers/scsi/qla4xxx/ql4_inline.h b/drivers/scsi/qla4xxx/ql4_inline.h index 0d61797af7d..6375eb017dd 100644 --- a/drivers/scsi/qla4xxx/ql4_inline.h +++ b/drivers/scsi/qla4xxx/ql4_inline.h @@ -38,7 +38,7 @@ qla4xxx_lookup_ddb_by_fw_index(struct scsi_qla_host *ha, uint32_t fw_ddb_index) static inline void __qla4xxx_enable_intrs(struct scsi_qla_host *ha) { - if (is_qla4022(ha)) { + if (is_qla4022(ha) | is_qla4032(ha)) { writel(set_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); @@ -52,7 +52,7 @@ __qla4xxx_enable_intrs(struct scsi_qla_host *ha) static inline void __qla4xxx_disable_intrs(struct scsi_qla_host *ha) { - if (is_qla4022(ha)) { + if (is_qla4022(ha) | is_qla4032(ha)) { writel(clr_rmask(IMR_SCSI_INTR_ENABLE), &ha->reg->u1.isp4022.intr_mask); readl(&ha->reg->u1.isp4022.intr_mask); diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index c0a254b89a3..d41ce380eed 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -294,6 +294,12 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) cmd_entry->control_flags = CF_WRITE; else if (cmd->sc_data_direction == DMA_FROM_DEVICE) cmd_entry->control_flags = CF_READ; + + ha->bytes_xfered += cmd->request_bufflen; + if (ha->bytes_xfered & ~0xFFFFF){ + ha->total_mbytes_xferred += ha->bytes_xfered >> 20; + ha->bytes_xfered &= 0xFFFFF; + } } /* Set tagged queueing control flags */ diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 1e283321a59..ef975e0dc87 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -627,6 +627,7 @@ irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id) spin_lock_irqsave(&ha->hardware_lock, flags); + ha->isr_count++; /* * Repeatedly service interrupts up to a maximum of * MAX_REQS_SERVICED_PER_INTR diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c index e3957ca5b64..fc502039540 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.c +++ b/drivers/scsi/qla4xxx/ql4_nvram.c @@ -9,13 +9,13 @@ static inline int eeprom_size(struct scsi_qla_host *ha) { - return is_qla4022(ha) ? FM93C86A_SIZE_16 : FM93C66A_SIZE_16; + return is_qla4010(ha) ? FM93C66A_SIZE_16 : FM93C86A_SIZE_16; } static inline int eeprom_no_addr_bits(struct scsi_qla_host *ha) { - return is_qla4022(ha) ? FM93C86A_NO_ADDR_BITS_16 : - FM93C56A_NO_ADDR_BITS_16; + return is_qla4010(ha) ? FM93C56A_NO_ADDR_BITS_16 : + FM93C86A_NO_ADDR_BITS_16 ; } static inline int eeprom_no_data_bits(struct scsi_qla_host *ha) diff --git a/drivers/scsi/qla4xxx/ql4_nvram.h b/drivers/scsi/qla4xxx/ql4_nvram.h index 08e2aed8c6c..b47b4fc59d8 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.h +++ b/drivers/scsi/qla4xxx/ql4_nvram.h @@ -134,9 +134,7 @@ struct eeprom_data { u16 phyConfig; /* x36 */ #define PHY_CONFIG_PHY_ADDR_MASK 0x1f #define PHY_CONFIG_ENABLE_FW_MANAGEMENT_MASK 0x20 - u16 topcat; /* x38 */ -#define TOPCAT_PRESENT 0x0100 -#define TOPCAT_MASK 0xFF00 + u16 reserved_56; /* x38 */ #define EEPROM_UNUSED_1_SIZE 2 u8 unused_1[EEPROM_UNUSED_1_SIZE]; /* x3A */ diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index bab434ee774..db9d88e7bee 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -708,10 +708,10 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) } /** - * qla4010_soft_reset - performs soft reset. + * qla4xxx_soft_reset - performs soft reset. * @ha: Pointer to host adapter structure. **/ -static int qla4010_soft_reset(struct scsi_qla_host *ha) +int qla4xxx_soft_reset(struct scsi_qla_host *ha) { uint32_t max_wait_time; unsigned long flags = 0; @@ -816,29 +816,6 @@ static int qla4010_soft_reset(struct scsi_qla_host *ha) return status; } -/** - * qla4xxx_topcat_reset - performs hard reset of TopCat Chip. - * @ha: Pointer to host adapter structure. - **/ -static int qla4xxx_topcat_reset(struct scsi_qla_host *ha) -{ - unsigned long flags; - - ql4xxx_lock_nvram(ha); - spin_lock_irqsave(&ha->hardware_lock, flags); - writel(set_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha)); - readl(isp_gp_out(ha)); - mdelay(1); - - writel(clr_rmask(GPOR_TOPCAT_RESET), isp_gp_out(ha)); - readl(isp_gp_out(ha)); - spin_unlock_irqrestore(&ha->hardware_lock, flags); - mdelay(2523); - - ql4xxx_unlock_nvram(ha); - return QLA_SUCCESS; -} - /** * qla4xxx_flush_active_srbs - returns all outstanding i/o requests to O.S. * @ha: Pointer to host adapter structure. @@ -866,26 +843,6 @@ static void qla4xxx_flush_active_srbs(struct scsi_qla_host *ha) } -/** - * qla4xxx_hard_reset - performs HBA Hard Reset - * @ha: Pointer to host adapter structure. - **/ -static int qla4xxx_hard_reset(struct scsi_qla_host *ha) -{ - /* The QLA4010 really doesn't have an equivalent to a hard reset */ - qla4xxx_flush_active_srbs(ha); - if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) { - int status = QLA_ERROR; - - if ((qla4010_soft_reset(ha) == QLA_SUCCESS) && - (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) && - (qla4010_soft_reset(ha) == QLA_SUCCESS)) - status = QLA_SUCCESS; - return status; - } else - return qla4010_soft_reset(ha); -} - /** * qla4xxx_recover_adapter - recovers adapter after a fatal error * @ha: Pointer to host adapter structure. @@ -1243,7 +1200,6 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, init_waitqueue_head(&ha->mailbox_wait_queue); spin_lock_init(&ha->hardware_lock); - spin_lock_init(&ha->list_lock); /* Allocate dma buffers */ if (qla4xxx_mem_alloc(ha)) { @@ -1449,27 +1405,6 @@ struct srb * qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t in return srb; } -/** - * qla4xxx_soft_reset - performs a SOFT RESET of hba. - * @ha: Pointer to host adapter structure. - **/ -int qla4xxx_soft_reset(struct scsi_qla_host *ha) -{ - - DEBUG2(printk(KERN_WARNING "scsi%ld: %s: chip reset!\n", ha->host_no, - __func__)); - if (test_bit(AF_TOPCAT_CHIP_PRESENT, &ha->flags)) { - int status = QLA_ERROR; - - if ((qla4010_soft_reset(ha) == QLA_SUCCESS) && - (qla4xxx_topcat_reset(ha) == QLA_SUCCESS) && - (qla4010_soft_reset(ha) == QLA_SUCCESS) ) - status = QLA_SUCCESS; - return status; - } else - return qla4010_soft_reset(ha); -} - /** * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware * @ha: actual ha whose done queue will contain the comd returned by firmware. @@ -1668,6 +1603,12 @@ static struct pci_device_id qla4xxx_pci_tbl[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, + { + .vendor = PCI_VENDOR_ID_QLOGIC, + .device = PCI_DEVICE_ID_QLOGIC_ISP4032, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, {0, 0}, }; MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index d05048b4e88..454e19c8ad6 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,4 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.00.06-k" +#define QLA4XXX_DRIVER_VERSION "5.00.07-k" -- cgit v1.2.3 From b448de473139e40a9ecc4e34946ffec5a65807ec Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 20 Nov 2006 03:23:49 +0100 Subject: [SCSI] megaraid_sas: make 2 functions static This patch makes two needlessly global functions static. Signed-off-by: Adrian Bunk Acked-by: "Patro, Sumant" Signed-off-by: James Bottomley --- drivers/scsi/megaraid/megaraid_sas.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 7e4262f2af9..046223b4ae5 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -517,7 +517,7 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp, * Returns the number of frames required for numnber of sge's (sge_count) */ -u32 megasas_get_frame_count(u8 sge_count) +static u32 megasas_get_frame_count(u8 sge_count) { int num_cnt; int sge_bytes; @@ -1733,7 +1733,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance, * * Tasklet to complete cmds */ -void megasas_complete_cmd_dpc(unsigned long instance_addr) +static void megasas_complete_cmd_dpc(unsigned long instance_addr) { u32 producer; u32 consumer; -- cgit v1.2.3 From 7feb6b3fbb48ceaceb7a66a9784106abef48e454 Mon Sep 17 00:00:00 2001 From: David C Somayajulu Date: Mon, 20 Nov 2006 16:20:22 -0800 Subject: [SCSI] qla4xxx: fix for timing issue for nvram accesses. This patch fixes a timing issue related to nvram accesses in qla4xxx driver for some cpu/slot speed combination. Signed-off-by: David Somayajulu Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_nvram.c | 64 ++++++++++++++++++++++------------------ 1 file changed, 36 insertions(+), 28 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c index fc502039540..58afd135aa1 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.c +++ b/drivers/scsi/qla4xxx/ql4_nvram.c @@ -7,6 +7,13 @@ #include "ql4_def.h" +static inline void eeprom_cmd(uint32_t cmd, struct scsi_qla_host *ha) +{ + writel(cmd, isp_nvram(ha)); + readl(isp_nvram(ha)); + udelay(1); +} + static inline int eeprom_size(struct scsi_qla_host *ha) { return is_qla4010(ha) ? FM93C66A_SIZE_16 : FM93C86A_SIZE_16; @@ -28,8 +35,7 @@ static int fm93c56a_select(struct scsi_qla_host * ha) DEBUG5(printk(KERN_ERR "fm93c56a_select:\n")); ha->eeprom_cmd_data = AUBURN_EEPROM_CS_1 | 0x000f0000; - writel(ha->eeprom_cmd_data, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data, ha); return 1; } @@ -41,12 +47,13 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) int previousBit; /* Clock in a zero, then do the start bit. */ - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1, ha); + + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | AUBURN_EEPROM_DO_1 | + AUBURN_EEPROM_CLK_FALL, ha); + mask = 1 << (FM93C56A_CMD_BITS - 1); /* Force the previous data bit to be different. */ @@ -60,14 +67,14 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) * If the bit changed, then change the DO state to * match. */ - writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha); previousBit = dataBit; } - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL, ha); + cmd = cmd << 1; } mask = 1 << (eeprom_no_addr_bits(ha) - 1); @@ -82,14 +89,15 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) * If the bit changed, then change the DO state to * match. */ - writel(ha->eeprom_cmd_data | dataBit, isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit, ha); + previousBit = dataBit; } - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | dataBit | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | dataBit | + AUBURN_EEPROM_CLK_FALL, ha); + addr = addr << 1; } return 1; @@ -98,8 +106,7 @@ static int fm93c56a_cmd(struct scsi_qla_host * ha, int cmd, int addr) static int fm93c56a_deselect(struct scsi_qla_host * ha) { ha->eeprom_cmd_data = AUBURN_EEPROM_CS_0 | 0x000f0000; - writel(ha->eeprom_cmd_data, isp_nvram(ha)); - readl(isp_nvram(ha)); + eeprom_cmd(ha->eeprom_cmd_data, ha); return 1; } @@ -112,12 +119,13 @@ static int fm93c56a_datain(struct scsi_qla_host * ha, unsigned short *value) /* Read the data bits * The first bit is a dummy. Clock right over it. */ for (i = 0; i < eeprom_no_data_bits(ha); i++) { - writel(ha->eeprom_cmd_data | - AUBURN_EEPROM_CLK_RISE, isp_nvram(ha)); - writel(ha->eeprom_cmd_data | - AUBURN_EEPROM_CLK_FALL, isp_nvram(ha)); - dataBit = - (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0; + eeprom_cmd(ha->eeprom_cmd_data | + AUBURN_EEPROM_CLK_RISE, ha); + eeprom_cmd(ha->eeprom_cmd_data | + AUBURN_EEPROM_CLK_FALL, ha); + + dataBit = (readw(isp_nvram(ha)) & AUBURN_EEPROM_DI_1) ? 1 : 0; + data = (data << 1) | dataBit; } -- cgit v1.2.3 From 73d98ff0fa8d9074792b7273f57d9f92810104c6 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:27:58 -0600 Subject: [SCSI] ipr: SATA reset - wait for host reset completion If an ipr adapter hits a fatal microcode error requiring a reset while a SATA device is going through EH, it can result in a command getting issued to the ipr adapter while it is getting reset, which can cause PCI bus errors. Wait for any outstanding adapter reset to finish prior to issuing a SATA device reset. Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2dde821025f..c983f0f0758 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3573,6 +3573,12 @@ static int ipr_sata_reset(struct ata_port *ap, unsigned int *classes) ENTER; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + } + res = sata_port->res; if (res) { rc = ipr_device_reset(ioa_cfg, res); @@ -4776,6 +4782,12 @@ static void ipr_ata_post_internal(struct ata_queued_cmd *qc) unsigned long flags; spin_lock_irqsave(ioa_cfg->host->host_lock, flags); + while(ioa_cfg->in_reset_reload) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + spin_lock_irqsave(ioa_cfg->host->host_lock, flags); + } + list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { if (ipr_cmd->qc == qc) { ipr_device_reset(ioa_cfg, sata_port->res); -- cgit v1.2.3 From 04d9768ff8847b0ae8c41ac3cfb3c5bb2e31699a Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:04 -0600 Subject: [SCSI] ipr: Stop issuing cancel all to disk arrays The ipr disk array devices do not support a cancel all requests primitive, so change the ipr driver to never send it. Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c983f0f0758..244173adf8b 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3776,7 +3776,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) */ if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) return FAILED; - if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res))) + if (!res || !ipr_is_gscsi(res)) return FAILED; list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { -- cgit v1.2.3 From 60e7486b190998745b548599c843f090d5624ae3 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:10 -0600 Subject: [SCSI] ipr: PCI IDs for new SAS adapters Adds PCI IDs for some new ipr SAS adapters. Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 18 +++++++++++++++++- drivers/scsi/ipr.h | 6 ++++++ 2 files changed, 23 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 244173adf8b..f1e01b6ff7c 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -98,7 +98,7 @@ static DEFINE_SPINLOCK(ipr_driver_lock); /* This table describes the differences between DMA controller chips */ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { - { /* Gemstone, Citrine, and Obsidian */ + { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ .mailbox = 0x0042C, .cache_line_size = 0x20, { @@ -135,6 +135,7 @@ static const struct ipr_chip_t ipr_chip[] = { { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] } }; @@ -7363,12 +7364,24 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B8, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, @@ -7378,6 +7391,9 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, { } }; MODULE_DEVICE_TABLE(pci, ipr_pci_table); diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 6d035283af0..75669251fb6 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -54,6 +54,8 @@ */ #define IPR_NUM_BASE_CMD_BLKS 100 +#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339 + #define IPR_SUBS_DEV_ID_2780 0x0264 #define IPR_SUBS_DEV_ID_5702 0x0266 #define IPR_SUBS_DEV_ID_5703 0x0278 @@ -66,7 +68,11 @@ #define IPR_SUBS_DEV_ID_571F 0x02D5 #define IPR_SUBS_DEV_ID_572A 0x02C1 #define IPR_SUBS_DEV_ID_572B 0x02C2 +#define IPR_SUBS_DEV_ID_572F 0x02C3 #define IPR_SUBS_DEV_ID_575B 0x030D +#define IPR_SUBS_DEV_ID_575C 0x0338 +#define IPR_SUBS_DEV_ID_57B7 0x0360 +#define IPR_SUBS_DEV_ID_57B8 0x02C2 #define IPR_NAME "ipr" -- cgit v1.2.3 From efbbdd846d41221396c094ff6df35246bdcf889e Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:16 -0600 Subject: [SCSI] ipr: Set default ipr Kconfig values Both SCSI_IPR_TRACE and SCSI_IPR_DUMP should be defaulted to yes when SCSI_IPR is enabled. Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 9540eb8efdc..5881464a938 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1026,6 +1026,7 @@ config SCSI_IPR config SCSI_IPR_TRACE bool "enable driver internal trace" depends on SCSI_IPR + default y help If you say Y here, the driver will trace all commands issued to the adapter. Performance impact is minimal. Trace can be @@ -1034,6 +1035,7 @@ config SCSI_IPR_TRACE config SCSI_IPR_DUMP bool "enable adapter dump support" depends on SCSI_IPR + default y help If you say Y here, the driver will support adapter crash dump. If you enable this support, the iprdump daemon can be used -- cgit v1.2.3 From 7402ecef94f416dcf03af7435c404a4079683d96 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:23 -0600 Subject: [SCSI] ipr: Remove ipr_scsi_timed_out Remove ipr's usage of the scsi transport eh_timed_out for handling SATA timeouts. This was only needed in order to set some flags on the qc prior to calling ata_do_eh. Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 40 ++++------------------------------------ 1 file changed, 4 insertions(+), 36 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index f1e01b6ff7c..e32c3f8848b 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -79,7 +79,6 @@ #include #include #include -#include #include "ipr.h" /* @@ -3643,6 +3642,10 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) { if (ipr_cmd->scsi_cmd) ipr_cmd->done = ipr_scsi_eh_done; + if (ipr_cmd->qc && !(ipr_cmd->qc->flags & ATA_QCFLAG_FAILED)) { + ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; + ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; + } } } @@ -4655,40 +4658,6 @@ static const char * ipr_ioa_info(struct Scsi_Host *host) return buffer; } -/** - * ipr_scsi_timed_out - Handle scsi command timeout - * @scsi_cmd: scsi command struct - * - * Return value: - * EH_NOT_HANDLED - **/ -enum scsi_eh_timer_return ipr_scsi_timed_out(struct scsi_cmnd *scsi_cmd) -{ - struct ipr_ioa_cfg *ioa_cfg; - struct ipr_cmnd *ipr_cmd; - unsigned long flags; - - ENTER; - spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags); - ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata; - - list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { - if (ipr_cmd->qc && ipr_cmd->qc->scsicmd == scsi_cmd) { - ipr_cmd->qc->err_mask |= AC_ERR_TIMEOUT; - ipr_cmd->qc->flags |= ATA_QCFLAG_FAILED; - break; - } - } - - spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags); - LEAVE; - return EH_NOT_HANDLED; -} - -static struct scsi_transport_template ipr_transport_template = { - .eh_timed_out = ipr_scsi_timed_out -}; - static struct scsi_host_template driver_template = { .module = THIS_MODULE, .name = "IPR", @@ -7030,7 +6999,6 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, ioa_cfg = (struct ipr_ioa_cfg *)host->hostdata; memset(ioa_cfg, 0, sizeof(struct ipr_ioa_cfg)); - host->transportt = &ipr_transport_template; ata_host_init(&ioa_cfg->ata_host, &pdev->dev, sata_port_info.flags, &ipr_sata_ops); -- cgit v1.2.3 From 9d66bdf81f97673b6e330a26438fcaea38c26cd5 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:29 -0600 Subject: [SCSI] ipr: Remove debug trace points from dump code Remove some debug trace points that clutter up the log when ipr debugging is turned on. Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index e32c3f8848b..e53cfbd0e07 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -2969,7 +2969,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) struct ipr_dump *dump; unsigned long lock_flags = 0; - ENTER; dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); if (!dump) { @@ -2996,7 +2995,6 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - LEAVE; return 0; } -- cgit v1.2.3 From 49dc6a18185c12bae4980d17512fbe54ca6bae54 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:35 -0600 Subject: [SCSI] ipr: Add support for logging SAS fabric errors Adds support for logging SAS fabric errors logged by the ipr firmware. Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 225 +++++++++++++++++++++++++++++++++++++++++++++++++++-- drivers/scsi/ipr.h | 72 +++++++++++++++++ 2 files changed, 290 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index e53cfbd0e07..94345e79ef1 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -1321,6 +1321,219 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, offsetof(struct ipr_hostrcb_type_07_error, data))); } +static const struct { + u8 active; + char *desc; +} path_active_desc[] = { + { IPR_PATH_NO_INFO, "Path" }, + { IPR_PATH_ACTIVE, "Active path" }, + { IPR_PATH_NOT_ACTIVE, "Inactive path" } +}; + +static const struct { + u8 state; + char *desc; +} path_state_desc[] = { + { IPR_PATH_STATE_NO_INFO, "has no path state information available" }, + { IPR_PATH_HEALTHY, "is healthy" }, + { IPR_PATH_DEGRADED, "is degraded" }, + { IPR_PATH_FAILED, "is failed" } +}; + +/** + * ipr_log_fabric_path - Log a fabric path error + * @hostrcb: hostrcb struct + * @fabric: fabric descriptor + * + * Return value: + * none + **/ +static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb, + struct ipr_hostrcb_fabric_desc *fabric) +{ + int i, j; + u8 path_state = fabric->path_state; + u8 active = path_state & IPR_PATH_ACTIVE_MASK; + u8 state = path_state & IPR_PATH_STATE_MASK; + + for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) { + if (path_active_desc[i].active != active) + continue; + + for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) { + if (path_state_desc[j].state != state) + continue; + + if (fabric->cascaded_expander == 0xff && fabric->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port); + } else if (fabric->cascaded_expander == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Phy=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->phy); + } else if (fabric->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->cascaded_expander); + } else { + ipr_hcam_err(hostrcb, "%s %s: IOA Port=%d, Cascade=%d, Phy=%d\n", + path_active_desc[i].desc, path_state_desc[j].desc, + fabric->ioa_port, fabric->cascaded_expander, fabric->phy); + } + return; + } + } + + ipr_err("Path state=%02X IOA Port=%d Cascade=%d Phy=%d\n", path_state, + fabric->ioa_port, fabric->cascaded_expander, fabric->phy); +} + +static const struct { + u8 type; + char *desc; +} path_type_desc[] = { + { IPR_PATH_CFG_IOA_PORT, "IOA port" }, + { IPR_PATH_CFG_EXP_PORT, "Expander port" }, + { IPR_PATH_CFG_DEVICE_PORT, "Device port" }, + { IPR_PATH_CFG_DEVICE_LUN, "Device LUN" } +}; + +static const struct { + u8 status; + char *desc; +} path_status_desc[] = { + { IPR_PATH_CFG_NO_PROB, "Functional" }, + { IPR_PATH_CFG_DEGRADED, "Degraded" }, + { IPR_PATH_CFG_FAILED, "Failed" }, + { IPR_PATH_CFG_SUSPECT, "Suspect" }, + { IPR_PATH_NOT_DETECTED, "Missing" }, + { IPR_PATH_INCORRECT_CONN, "Incorrectly connected" } +}; + +static const char *link_rate[] = { + "unknown", + "disabled", + "phy reset problem", + "spinup hold", + "port selector", + "unknown", + "unknown", + "unknown", + "1.5Gbps", + "3.0Gbps", + "unknown", + "unknown", + "unknown", + "unknown", + "unknown", + "unknown" +}; + +/** + * ipr_log_path_elem - Log a fabric path element. + * @hostrcb: hostrcb struct + * @cfg: fabric path element struct + * + * Return value: + * none + **/ +static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb, + struct ipr_hostrcb_config_element *cfg) +{ + int i, j; + u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK; + u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK; + + if (type == IPR_PATH_CFG_NOT_EXIST) + return; + + for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) { + if (path_type_desc[i].type != type) + continue; + + for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) { + if (path_status_desc[j].status != status) + continue; + + if (type == IPR_PATH_CFG_IOA_PORT) { + ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, WWN=%08X%08X\n", + path_status_desc[j].desc, path_type_desc[i].desc, + cfg->phy, link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else { + if (cfg->cascaded_expander == 0xff && cfg->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Link rate=%s, WWN=%08X%08X\n", + path_status_desc[j].desc, path_type_desc[i].desc, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else if (cfg->cascaded_expander == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Phy=%d, Link rate=%s, " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else if (cfg->phy == 0xff) { + ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Link rate=%s, " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->cascaded_expander, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } else { + ipr_hcam_err(hostrcb, "%s %s: Cascade=%d, Phy=%d, Link rate=%s " + "WWN=%08X%08X\n", path_status_desc[j].desc, + path_type_desc[i].desc, cfg->cascaded_expander, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + } + } + return; + } + } + + ipr_hcam_err(hostrcb, "Path element=%02X: Cascade=%d Phy=%d Link rate=%s " + "WWN=%08X%08X\n", cfg->type_status, cfg->cascaded_expander, cfg->phy, + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); +} + +/** + * ipr_log_fabric_error - Log a fabric error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + struct ipr_hostrcb_type_20_error *error; + struct ipr_hostrcb_fabric_desc *fabric; + struct ipr_hostrcb_config_element *cfg; + int i, add_len; + + error = &hostrcb->hcam.u.error.u.type_20_error; + error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + ipr_hcam_err(hostrcb, "%s\n", error->failure_reason); + + add_len = be32_to_cpu(hostrcb->hcam.length) - + (offsetof(struct ipr_hostrcb_error, u) + + offsetof(struct ipr_hostrcb_type_20_error, desc)); + + for (i = 0, fabric = error->desc; i < error->num_entries; i++) { + ipr_log_fabric_path(hostrcb, fabric); + for_each_fabric_cfg(fabric, cfg) + ipr_log_path_elem(hostrcb, cfg); + + add_len -= be16_to_cpu(fabric->length); + fabric = (struct ipr_hostrcb_fabric_desc *) + ((unsigned long)fabric + be16_to_cpu(fabric->length)); + } + + ipr_log_hex_data((u32 *)fabric, add_len); +} + /** * ipr_log_generic_error - Log an adapter error. * @ioa_cfg: ioa config struct @@ -1394,13 +1607,7 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, if (!ipr_error_table[error_index].log_hcam) return; - if (ipr_is_device(&hostrcb->hcam.u.error.failing_dev_res_addr)) { - ipr_ra_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr, - "%s\n", ipr_error_table[error_index].error); - } else { - dev_err(&ioa_cfg->pdev->dev, "%s\n", - ipr_error_table[error_index].error); - } + ipr_hcam_err(hostrcb, "%s\n", ipr_error_table[error_index].error); /* Set indication we have logged an error */ ioa_cfg->errors_logged++; @@ -1437,6 +1644,9 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, case IPR_HOST_RCB_OVERLAY_ID_17: ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); break; + case IPR_HOST_RCB_OVERLAY_ID_20: + ipr_log_fabric_error(ioa_cfg, hostrcb); + break; case IPR_HOST_RCB_OVERLAY_ID_1: case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: default: @@ -6812,6 +7022,7 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) ioa_cfg->hostrcb[i]->hostrcb_dma = ioa_cfg->hostrcb_dma[i] + offsetof(struct ipr_hostrcb, hcam); + ioa_cfg->hostrcb[i]->ioa_cfg = ioa_cfg; list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 75669251fb6..44b15e4b6ed 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -737,6 +737,64 @@ struct ipr_hostrcb_type_17_error { u32 data[476]; }__attribute__((packed, aligned (4))); +struct ipr_hostrcb_config_element { + u8 type_status; +#define IPR_PATH_CFG_TYPE_MASK 0xF0 +#define IPR_PATH_CFG_NOT_EXIST 0x00 +#define IPR_PATH_CFG_IOA_PORT 0x10 +#define IPR_PATH_CFG_EXP_PORT 0x20 +#define IPR_PATH_CFG_DEVICE_PORT 0x30 +#define IPR_PATH_CFG_DEVICE_LUN 0x40 + +#define IPR_PATH_CFG_STATUS_MASK 0x0F +#define IPR_PATH_CFG_NO_PROB 0x00 +#define IPR_PATH_CFG_DEGRADED 0x01 +#define IPR_PATH_CFG_FAILED 0x02 +#define IPR_PATH_CFG_SUSPECT 0x03 +#define IPR_PATH_NOT_DETECTED 0x04 +#define IPR_PATH_INCORRECT_CONN 0x05 + + u8 cascaded_expander; + u8 phy; + u8 link_rate; +#define IPR_PHY_LINK_RATE_MASK 0x0F + + __be32 wwid[2]; +}__attribute__((packed, aligned (4))); + +struct ipr_hostrcb_fabric_desc { + __be16 length; + u8 ioa_port; + u8 cascaded_expander; + u8 phy; + u8 path_state; +#define IPR_PATH_ACTIVE_MASK 0xC0 +#define IPR_PATH_NO_INFO 0x00 +#define IPR_PATH_ACTIVE 0x40 +#define IPR_PATH_NOT_ACTIVE 0x80 + +#define IPR_PATH_STATE_MASK 0x0F +#define IPR_PATH_STATE_NO_INFO 0x00 +#define IPR_PATH_HEALTHY 0x01 +#define IPR_PATH_DEGRADED 0x02 +#define IPR_PATH_FAILED 0x03 + + __be16 num_entries; + struct ipr_hostrcb_config_element elem[1]; +}__attribute__((packed, aligned (4))); + +#define for_each_fabric_cfg(fabric, cfg) \ + for (cfg = (fabric)->elem; \ + cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \ + cfg++) + +struct ipr_hostrcb_type_20_error { + u8 failure_reason[64]; + u8 reserved[3]; + u8 num_entries; + struct ipr_hostrcb_fabric_desc desc[1]; +}__attribute__((packed, aligned (4))); + struct ipr_hostrcb_error { __be32 failing_dev_ioasc; struct ipr_res_addr failing_dev_res_addr; @@ -753,6 +811,7 @@ struct ipr_hostrcb_error { struct ipr_hostrcb_type_13_error type_13_error; struct ipr_hostrcb_type_14_error type_14_error; struct ipr_hostrcb_type_17_error type_17_error; + struct ipr_hostrcb_type_20_error type_20_error; } u; }__attribute__((packed, aligned (4))); @@ -792,6 +851,7 @@ struct ipr_hcam { #define IPR_HOST_RCB_OVERLAY_ID_14 0x14 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17 +#define IPR_HOST_RCB_OVERLAY_ID_20 0x20 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF u8 reserved1[3]; @@ -811,6 +871,7 @@ struct ipr_hostrcb { struct ipr_hcam hcam; dma_addr_t hostrcb_dma; struct list_head queue; + struct ipr_ioa_cfg *ioa_cfg; }; /* IPR smart dump table structures */ @@ -1289,6 +1350,17 @@ struct ipr_ucode_image_header { } \ } +#define ipr_hcam_err(hostrcb, fmt, ...) \ +{ \ + if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \ + ipr_ra_err((hostrcb)->ioa_cfg, \ + (hostrcb)->hcam.u.error.failing_dev_res_addr, \ + fmt, ##__VA_ARGS__); \ + } else { \ + dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \ + } \ +} + #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\ __FILE__, __FUNCTION__, __LINE__) -- cgit v1.2.3 From ac719abab0fbe2b83dc99351f6605645aef814ab Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:42 -0600 Subject: [SCSI] ipr: Reduce default error log size Since the default error log size has increased on SAS adapters, prevent ipr from logging this additional data unless requested to do so by the user set log level in order to prevent flooding the logs. Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 14 +++++++++----- drivers/scsi/ipr.h | 1 + 2 files changed, 10 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 94345e79ef1..3c32e08e71c 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -1249,19 +1249,23 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, /** * ipr_log_hex_data - Log additional hex IOA error data. + * @ioa_cfg: ioa config struct * @data: IOA error data * @len: data length * * Return value: * none **/ -static void ipr_log_hex_data(u32 *data, int len) +static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len) { int i; if (len == 0) return; + if (ioa_cfg->log_level <= IPR_DEFAULT_LOG_LEVEL) + len = min_t(int, len, IPR_DEFAULT_MAX_ERROR_DUMP); + for (i = 0; i < len / 4; i += 4) { ipr_err("%08X: %08X %08X %08X %08X\n", i*4, be32_to_cpu(data[i]), @@ -1290,7 +1294,7 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("%s\n", error->failure_reason); ipr_err("Remote Adapter VPD:\n"); ipr_log_ext_vpd(&error->vpd); - ipr_log_hex_data(error->data, + ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + offsetof(struct ipr_hostrcb_type_17_error, data))); @@ -1315,7 +1319,7 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("%s\n", error->failure_reason); ipr_err("Remote Adapter VPD:\n"); ipr_log_vpd(&error->vpd); - ipr_log_hex_data(error->data, + ipr_log_hex_data(ioa_cfg, error->data, be32_to_cpu(hostrcb->hcam.length) - (offsetof(struct ipr_hostrcb_error, u) + offsetof(struct ipr_hostrcb_type_07_error, data))); @@ -1531,7 +1535,7 @@ static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, ((unsigned long)fabric + be16_to_cpu(fabric->length)); } - ipr_log_hex_data((u32 *)fabric, add_len); + ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len); } /** @@ -1545,7 +1549,7 @@ static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg, static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, struct ipr_hostrcb *hostrcb) { - ipr_log_hex_data(hostrcb->hcam.u.raw.data, + ipr_log_hex_data(ioa_cfg, hostrcb->hcam.u.raw.data, be32_to_cpu(hostrcb->hcam.length)); } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 44b15e4b6ed..397e502bd0f 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -104,6 +104,7 @@ #define IPR_IOASC_IOA_WAS_RESET 0x10000001 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002 +#define IPR_DEFAULT_MAX_ERROR_DUMP 984 #define IPR_NUM_LOG_HCAMS 2 #define IPR_NUM_CFG_CHG_HCAMS 2 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS) -- cgit v1.2.3 From bd705f2d43d34c0309dfa48117bed7167024247b Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 21 Nov 2006 10:28:48 -0600 Subject: [SCSI] ipr: Make ipr_ioctl static This patch makes ipr_ioctl static. Signed-off-by: Adrian Bunk Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ipr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 3c32e08e71c..2d83fbb806a 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -4837,7 +4837,7 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd, * Return value: * 0 on success / other on failure **/ -int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) +static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { struct ipr_resource_entry *res; -- cgit v1.2.3 From 51d23da95c3b71ce70587af8fc8244a05722c191 Mon Sep 17 00:00:00 2001 From: Brian King Date: Tue, 21 Nov 2006 10:28:55 -0600 Subject: [SCSI] ipr: Driver version 2.3.0 Bump driver version. Signed-off-by: James Bottomley --- drivers/scsi/ipr.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 397e502bd0f..9f62a1d4d51 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -37,8 +37,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.2.0" -#define IPR_DRIVER_DATE "(September 25, 2006)" +#define IPR_DRIVER_VERSION "2.3.0" +#define IPR_DRIVER_DATE "(November 8, 2006)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding -- cgit v1.2.3 From 33524b70e8f3dd55a4ba78ad81742c7814e7b0ed Mon Sep 17 00:00:00 2001 From: Mark Haverkamp Date: Tue, 21 Nov 2006 10:40:08 -0800 Subject: [SCSI] aacraid: Detect Blinkled at startup Received from Mark Salyzyn: Blinkled at startup is useful for catching Adapters in a lot of pain, in a BlinkLED assert, quickly; rather than waiting several minutes for commands to timeout. Signed-off-by: Mark Haverkamp Signed-off-by: James Bottomley --- drivers/scsi/aacraid/commsup.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 19e42ac07cb..0fd462a876f 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -518,6 +518,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, */ unsigned long count = 36000000L; /* 3 minutes */ while (down_trylock(&fibptr->event_wait)) { + int blink; if (--count == 0) { spin_lock_irqsave(q->lock, qflags); q->numpending--; @@ -530,6 +531,14 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } return -ETIMEDOUT; } + if ((blink = aac_adapter_check_health(dev)) > 0) { + if (wait == -1) { + printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n" + "Usually a result of a serious unrecoverable hardware problem\n", + blink); + } + return -EFAULT; + } udelay(5); } } else if (down_interruptible(&fibptr->event_wait)) { -- cgit v1.2.3 From d18b448fc2caf0d719bd4bd34fb1856be89c8ef7 Mon Sep 17 00:00:00 2001 From: Mark Haverkamp Date: Tue, 21 Nov 2006 10:40:31 -0800 Subject: [SCSI] aacraid: Abort management FIBs Received from Mark Salyzyn: Add code to abort outstanding management ioctl fibs when the blinkLED recovery is performed. This code is 'clunky' and does not have any real feedback in that the reset could progress before the user application has gotten it's notification of command completion. We put a schedule() call to delay just the right amount for most cases, because we tried a spin and still managed to find cases where we would spin forever waiting for the management application to acknowledge the impending doom surrounding the cause of the BlinkLED. Will cause an oops in the context of the management application if we proceed too quickly. I view this as the lesser of many evils since currently if there are outstanding management ioctls during a need to reset/recover the adapter, the management application just locks up and waits forever. The best practices fix for this problem not going to be simple or easy (at least the fixes I imagine today); and we found a balance between the needs of the driver to proceed, and the applications that locked or confused that would hold back the driver. I just do not like the idea of a kernel oops in an application to deal with low priority, sluggish or misbehaving applications. Signed-off-by: Mark Haverkamp Signed-off-by: James Bottomley --- drivers/scsi/aacraid/commsup.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 0fd462a876f..4893a6d06a3 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1102,6 +1102,20 @@ static int _aac_reset_adapter(struct aac_dev *aac) goto out; } + /* + * Loop through the fibs, close the synchronous FIBS + */ + for (index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) { + struct fib *fib = &aac->fibs[index]; + if (!(fib->hw_fib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && + (fib->hw_fib->header.XferState & cpu_to_le32(ResponseExpected))) { + unsigned long flagv; + spin_lock_irqsave(&fib->event_lock, flagv); + up(&fib->event_wait); + spin_unlock_irqrestore(&fib->event_lock, flagv); + schedule(); + } + } index = aac->cardtype; /* -- cgit v1.2.3 From 902762831c0068ba0c8c8fca801e505a9881aa01 Mon Sep 17 00:00:00 2001 From: Mark Haverkamp Date: Tue, 21 Nov 2006 10:40:50 -0800 Subject: [SCSI] aacraid: Driver version update Received from Mark Salyzyn: Version patch, update to reflect a rough estimate of the Adaptec build (2423) that coincides with the sources on kernel.org. Signed-off-by: Mark Haverkamp Signed-off-by: James Bottomley --- drivers/scsi/aacraid/aacraid.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index eb3ed91bac7..4f8b4c53d43 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -11,8 +11,8 @@ *----------------------------------------------------------------------------*/ #ifndef AAC_DRIVER_BUILD -# define AAC_DRIVER_BUILD 2409 -# define AAC_DRIVER_BRANCH "-mh2" +# define AAC_DRIVER_BUILD 2423 +# define AAC_DRIVER_BRANCH "-mh3" #endif #define MAXIMUM_NUM_CONTAINERS 32 -- cgit v1.2.3 From 21db1882f79a1ad5977cae6766376a63f60ec414 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Wed, 22 Nov 2006 13:24:52 -0700 Subject: [SCSI] Add Kconfig option for asynchronous SCSI scanning Without this patch, the user has to add a kernel command line parameter to get asynchronous SCSI scanning. Now they can select the default at compile time and still override it at boot time if they need to. Signed-off-by: Matthew Wilcox Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 17 +++++++++++++++++ drivers/scsi/scsi_scan.c | 8 +++++++- 2 files changed, 24 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 5881464a938..8442be1bb16 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -216,6 +216,23 @@ config SCSI_LOGGING there should be no noticeable performance impact as long as you have logging turned off. +config SCSI_SCAN_ASYNC + bool "Asynchronous SCSI scanning" + depends on SCSI + help + The SCSI subsystem can probe for devices while the rest of the + system continues booting, and even probe devices on different + busses in parallel, leading to a significant speed-up. + If you have built SCSI as modules, enabling this option can + be a problem as the devices may not have been found by the + time your system expects them to have been. You can load the + scsi_wait_scan module to ensure that all scans have completed. + If you build your SCSI drivers into the kernel, then everything + will work fine if you say Y here. + + You can override this choice by specifying scsi_mod.scan="sync" + or "async" on the kernel's command line. + menu "SCSI Transports" depends on SCSI diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index aa1b1e0e9d2..d91d268dd33 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -89,7 +89,13 @@ module_param_named(max_luns, max_scsi_luns, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(max_luns, "last scsi LUN (should be between 1 and 2^32-1)"); -static char scsi_scan_type[6] = "sync"; +#ifdef CONFIG_SCSI_SCAN_ASYNC +#define SCSI_SCAN_TYPE_DEFAULT "async" +#else +#define SCSI_SCAN_TYPE_DEFAULT "sync" +#endif + +static char scsi_scan_type[6] = SCSI_SCAN_TYPE_DEFAULT; module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO); MODULE_PARM_DESC(scan, "sync, async or none"); -- cgit v1.2.3 From 93b45af5c6b9d41bbe9da11442291ac4eefc15b4 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Wed, 22 Nov 2006 13:24:53 -0700 Subject: [SCSI] fix missing check for no scanning Drivers that called scsi_scan_target() instead of scsi_scan_host() were still adding devices; this needs to be under the control of userspace, not the driver. Signed-off-by: Matthew Wilcox Signed-off-by: James Bottomley --- drivers/scsi/scsi_scan.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index d91d268dd33..3ccaa4be92d 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1549,6 +1549,9 @@ void scsi_scan_target(struct device *parent, unsigned int channel, { struct Scsi_Host *shost = dev_to_shost(parent); + if (strncmp(scsi_scan_type, "none", 4) == 0) + return; + if (!shost->async_scan) scsi_complete_async_scans(); -- cgit v1.2.3 From 1aa8fab2acf1cb8b341131b726773fcff0abc707 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Wed, 22 Nov 2006 13:24:54 -0700 Subject: [SCSI] Make scsi_scan_host work for drivers which find their own targets If a driver can find its own targets, it can now fill in scan_finished and (optionally) scan_start in the scsi_host_template. Then, when it calls scsi_scan_host(), it will be called back (from a thread if asynchronous discovery is enabled), first to start the scan, and then at intervals to check if the scan is completed. Also make scsi_prep_async_scan and scsi_finish_async_scan static. Signed-off-by: Matthew Wilcox Signed-off-by: James Bottomley --- drivers/scsi/scsi_scan.c | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 3ccaa4be92d..4d656148bd6 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1642,7 +1642,7 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost) * that other asynchronous scans started after this one won't affect the * ordering of the discovered devices. */ -struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) +static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) { struct async_scan_data *data; @@ -1686,7 +1686,7 @@ struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost) * This function announces all the devices it has found to the rest * of the system. */ -void scsi_finish_async_scan(struct async_scan_data *data) +static void scsi_finish_async_scan(struct async_scan_data *data) { struct Scsi_Host *shost; @@ -1719,12 +1719,25 @@ void scsi_finish_async_scan(struct async_scan_data *data) kfree(data); } -static int do_scan_async(void *_data) +static void do_scsi_scan_host(struct Scsi_Host *shost) { - struct async_scan_data *data = _data; - scsi_scan_host_selected(data->shost, SCAN_WILD_CARD, SCAN_WILD_CARD, + if (shost->hostt->scan_finished) { + unsigned long start = jiffies; + if (shost->hostt->scan_start) + shost->hostt->scan_start(shost); + + while (!shost->hostt->scan_finished(shost, jiffies - start)) + msleep(10); + } else { + scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, SCAN_WILD_CARD, 0); + } +} +static int do_scan_async(void *_data) +{ + struct async_scan_data *data = _data; + do_scsi_scan_host(data->shost); scsi_finish_async_scan(data); return 0; } @@ -1742,10 +1755,10 @@ void scsi_scan_host(struct Scsi_Host *shost) data = scsi_prep_async_scan(shost); if (!data) { - scsi_scan_host_selected(shost, SCAN_WILD_CARD, SCAN_WILD_CARD, - SCAN_WILD_CARD, 0); + do_scsi_scan_host(shost); return; } + kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no); } EXPORT_SYMBOL(scsi_scan_host); -- cgit v1.2.3 From d19044c32baadeb80e135027124a9e845c6f057c Mon Sep 17 00:00:00 2001 From: Andrew Vasquez Date: Wed, 22 Nov 2006 08:22:19 -0800 Subject: [SCSI] qla2xxx: defer topology discovery to DPC thread during initialization. Modify intialization semantics: - perform basic hardware configuration only (as usual) - allocate resources - load and execute firmware - defer link (transport) negotiations to the DPC thread - again the code in qla2x00_initialize_adapter() to stall probe() completion was needed for legacy-style scanning. - DPC thread stalls until probe() complete. - before probe() completes, set DPC flags to perform loop-resync logic (similar to what's done during cable-insertion/removal). Benefits: user does not have to wait 20+ seconds in case the FC cable is unplugged during driver load, code consolidation (removal of redundant link negotiation logic during initialize_adaoter()), and finilly, the driver no longer needs to defer the fc_remote_port_add() calls to hold off lun-scanning prior to returning from the probe() function. Signed-off-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_init.c | 94 ++++------------------------------------- drivers/scsi/qla2xxx/qla_os.c | 29 +++---------- 2 files changed, 16 insertions(+), 107 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 08cb5e3fb55..a823f0bc519 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -59,9 +59,6 @@ int qla2x00_initialize_adapter(scsi_qla_host_t *ha) { int rval; - uint8_t restart_risc = 0; - uint8_t retry; - uint32_t wait_time; /* Clear adapter flags. */ ha->flags.online = 0; @@ -104,87 +101,15 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha) qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); - retry = 10; - /* - * Try to configure the loop. - */ - do { - restart_risc = 0; - - /* If firmware needs to be loaded */ - if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { - if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { - rval = qla2x00_setup_chip(ha); - } - } - - if (rval == QLA_SUCCESS && - (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { -check_fw_ready_again: - /* - * Wait for a successful LIP up to a maximum - * of (in seconds): RISC login timeout value, - * RISC retry count value, and port down retry - * value OR a minimum of 4 seconds OR If no - * cable, only 5 seconds. - */ - rval = qla2x00_fw_ready(ha); - if (rval == QLA_SUCCESS) { - clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); - - /* Issue a marker after FW becomes ready. */ - qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); - - /* - * Wait at most MAX_TARGET RSCNs for a stable - * link. - */ - wait_time = 256; - do { - clear_bit(LOOP_RESYNC_NEEDED, - &ha->dpc_flags); - rval = qla2x00_configure_loop(ha); - - if (test_and_clear_bit(ISP_ABORT_NEEDED, - &ha->dpc_flags)) { - restart_risc = 1; - break; - } - - /* - * If loop state change while we were - * discoverying devices then wait for - * LIP to complete - */ - - if (atomic_read(&ha->loop_state) != - LOOP_READY && retry--) { - goto check_fw_ready_again; - } - wait_time--; - } while (!atomic_read(&ha->loop_down_timer) && - retry && - wait_time && - (test_bit(LOOP_RESYNC_NEEDED, - &ha->dpc_flags))); - - if (wait_time == 0) - rval = QLA_FUNCTION_FAILED; - } else if (ha->device_flags & DFLG_NO_CABLE) - /* If no cable, then all is good. */ - rval = QLA_SUCCESS; - } - } while (restart_risc && retry--); - - if (rval == QLA_SUCCESS) { - clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); - qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); - ha->marker_needed = 0; - - ha->flags.online = 1; - } else { - DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); + if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { + rval = ha->isp_ops.chip_diag(ha); + if (rval) + return (rval); + rval = qla2x00_setup_chip(ha); + if (rval) + return (rval); } + rval = qla2x00_init_rings(ha); return (rval); } @@ -2208,8 +2133,7 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) atomic_set(&fcport->state, FCS_ONLINE); - if (ha->flags.init_done) - qla2x00_reg_remote_port(ha, fcport); + qla2x00_reg_remote_port(ha, fcport); } void diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 3eb4cd2cbc7..1cc8febcbad 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1377,10 +1377,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) struct Scsi_Host *host; scsi_qla_host_t *ha; unsigned long flags = 0; - unsigned long wait_switch = 0; char pci_info[20]; char fw_str[30]; - fc_port_t *fcport; struct scsi_host_template *sht; if (pci_enable_device(pdev)) @@ -1631,24 +1629,15 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->isp_ops.enable_intrs(ha); - /* v2.19.5b6 */ - /* - * Wait around max loop_reset_delay secs for the devices to come - * on-line. We don't want Linux scanning before we are ready. - * - */ - for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); - time_before(jiffies,wait_switch) && - !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) - && (ha->device_flags & SWITCH_FOUND) ;) { - - qla2x00_check_fabric_devices(ha); - - msleep(10); - } - pci_set_drvdata(pdev, ha); + + /* Start link scan. */ + set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); + set_bit(RSCN_UPDATE, &ha->dpc_flags); ha->flags.init_done = 1; + ha->flags.online = 1; + num_hosts++; ret = scsi_add_host(host, &pdev->dev); @@ -1669,10 +1658,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str)); - /* Go with fc_rport registration. */ - list_for_each_entry(fcport, &ha->fcports, list) - qla2x00_reg_remote_port(ha, fcport); - return 0; probe_failed: -- cgit v1.2.3 From 1e99e33ad94aa363e01cdfc2fc9df93338907fe6 Mon Sep 17 00:00:00 2001 From: Andrew Vasquez Date: Wed, 22 Nov 2006 08:24:48 -0800 Subject: [SCSI] qla2xxx: add asynchronous scsi scanning support. Signed-off-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_os.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1cc8febcbad..cbe0cad83b6 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -95,6 +95,8 @@ MODULE_PARM_DESC(ql2xqfullrampup, */ static int qla2xxx_slave_configure(struct scsi_device * device); static int qla2xxx_slave_alloc(struct scsi_device *); +static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); +static void qla2xxx_scan_start(struct Scsi_Host *); static void qla2xxx_slave_destroy(struct scsi_device *); static int qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)); @@ -124,6 +126,8 @@ static struct scsi_host_template qla2x00_driver_template = { .slave_alloc = qla2xxx_slave_alloc, .slave_destroy = qla2xxx_slave_destroy, + .scan_finished = qla2xxx_scan_finished, + .scan_start = qla2xxx_scan_start, .change_queue_depth = qla2x00_change_queue_depth, .change_queue_type = qla2x00_change_queue_type, .this_id = -1, @@ -1366,6 +1370,29 @@ qla24xx_disable_intrs(scsi_qla_host_t *ha) spin_unlock_irqrestore(&ha->hardware_lock, flags); } +static void +qla2xxx_scan_start(struct Scsi_Host *shost) +{ + scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; + + set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); + set_bit(RSCN_UPDATE, &ha->dpc_flags); +} + +static int +qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata; + + if (!ha->host) + return 1; + if (time > ha->loop_reset_delay * HZ) + return 1; + + return atomic_read(&ha->loop_state) == LOOP_READY; +} + /* * PCI driver interface */ @@ -1631,10 +1658,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, ha); - /* Start link scan. */ - set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); - set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); - set_bit(RSCN_UPDATE, &ha->dpc_flags); ha->flags.init_done = 1; ha->flags.online = 1; @@ -1644,6 +1667,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) if (ret) goto probe_failed; + scsi_scan_host(host); + qla2x00_alloc_sysfs_attr(ha); qla2x00_init_host_attr(ha); -- cgit v1.2.3 From ed7b1f6d6ea1054ea4fe293a7fd8015fc3803d93 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 23 Nov 2006 23:34:49 -0500 Subject: Input: serio - make serio_register_driver() return errors Perform actual driver registration right in serio_register_driver() instead of offloading it to kseriod and return proper error code to callers if driver registration fails. Note that driver <-> port matching is still done by kseriod to speed up boot process since probing for PS/2 mice and keyboards is pretty slow. Signed-off-by: Dmitry Torokhov --- drivers/input/serio/serio.c | 107 ++++++++++++++++++++++++++++++-------------- 1 file changed, 74 insertions(+), 33 deletions(-) (limited to 'drivers') diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index cd55ddb7df4..8c717042f61 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -44,7 +44,7 @@ EXPORT_SYMBOL(serio_interrupt); EXPORT_SYMBOL(__serio_register_port); EXPORT_SYMBOL(serio_unregister_port); EXPORT_SYMBOL(serio_unregister_child_port); -EXPORT_SYMBOL(__serio_register_driver); +EXPORT_SYMBOL(serio_register_driver); EXPORT_SYMBOL(serio_unregister_driver); EXPORT_SYMBOL(serio_open); EXPORT_SYMBOL(serio_close); @@ -61,10 +61,10 @@ static LIST_HEAD(serio_list); static struct bus_type serio_bus; -static void serio_add_driver(struct serio_driver *drv); static void serio_add_port(struct serio *serio); static void serio_reconnect_port(struct serio *serio); static void serio_disconnect_port(struct serio *serio); +static void serio_attach_driver(struct serio_driver *drv); static int serio_connect_driver(struct serio *serio, struct serio_driver *drv) { @@ -168,10 +168,10 @@ static void serio_find_driver(struct serio *serio) */ enum serio_event_type { - SERIO_RESCAN, - SERIO_RECONNECT, + SERIO_RESCAN_PORT, + SERIO_RECONNECT_PORT, SERIO_REGISTER_PORT, - SERIO_REGISTER_DRIVER, + SERIO_ATTACH_DRIVER, }; struct serio_event { @@ -186,11 +186,12 @@ static LIST_HEAD(serio_event_list); static DECLARE_WAIT_QUEUE_HEAD(serio_wait); static struct task_struct *serio_task; -static void serio_queue_event(void *object, struct module *owner, - enum serio_event_type event_type) +static int serio_queue_event(void *object, struct module *owner, + enum serio_event_type event_type) { unsigned long flags; struct serio_event *event; + int retval = 0; spin_lock_irqsave(&serio_event_lock, flags); @@ -209,24 +210,34 @@ static void serio_queue_event(void *object, struct module *owner, } } - if ((event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC))) { - if (!try_module_get(owner)) { - printk(KERN_WARNING "serio: Can't get module reference, dropping event %d\n", event_type); - kfree(event); - goto out; - } - - event->type = event_type; - event->object = object; - event->owner = owner; + event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC); + if (!event) { + printk(KERN_ERR + "serio: Not enough memory to queue event %d\n", + event_type); + retval = -ENOMEM; + goto out; + } - list_add_tail(&event->node, &serio_event_list); - wake_up(&serio_wait); - } else { - printk(KERN_ERR "serio: Not enough memory to queue event %d\n", event_type); + if (!try_module_get(owner)) { + printk(KERN_WARNING + "serio: Can't get module reference, dropping event %d\n", + event_type); + kfree(event); + retval = -EINVAL; + goto out; } + + event->type = event_type; + event->object = object; + event->owner = owner; + + list_add_tail(&event->node, &serio_event_list); + wake_up(&serio_wait); + out: spin_unlock_irqrestore(&serio_event_lock, flags); + return retval; } static void serio_free_event(struct serio_event *event) @@ -304,17 +315,17 @@ static void serio_handle_event(void) serio_add_port(event->object); break; - case SERIO_RECONNECT: + case SERIO_RECONNECT_PORT: serio_reconnect_port(event->object); break; - case SERIO_RESCAN: + case SERIO_RESCAN_PORT: serio_disconnect_port(event->object); serio_find_driver(event->object); break; - case SERIO_REGISTER_DRIVER: - serio_add_driver(event->object); + case SERIO_ATTACH_DRIVER: + serio_attach_driver(event->object); break; default: @@ -666,12 +677,12 @@ static void serio_disconnect_port(struct serio *serio) void serio_rescan(struct serio *serio) { - serio_queue_event(serio, NULL, SERIO_RESCAN); + serio_queue_event(serio, NULL, SERIO_RESCAN_PORT); } void serio_reconnect(struct serio *serio) { - serio_queue_event(serio, NULL, SERIO_RECONNECT); + serio_queue_event(serio, NULL, SERIO_RECONNECT_PORT); } /* @@ -766,22 +777,52 @@ static int serio_driver_remove(struct device *dev) return 0; } -static void serio_add_driver(struct serio_driver *drv) +static void serio_attach_driver(struct serio_driver *drv) { int error; - error = driver_register(&drv->driver); + error = driver_attach(&drv->driver); if (error) - printk(KERN_ERR - "serio: driver_register() failed for %s, error: %d\n", + printk(KERN_WARNING + "serio: driver_attach() failed for %s with error %d\n", drv->driver.name, error); } -void __serio_register_driver(struct serio_driver *drv, struct module *owner) +int serio_register_driver(struct serio_driver *drv) { + int manual_bind = drv->manual_bind; + int error; + drv->driver.bus = &serio_bus; - serio_queue_event(drv, owner, SERIO_REGISTER_DRIVER); + /* + * Temporarily disable automatic binding because probing + * takes long time and we are better off doing it in kseriod + */ + drv->manual_bind = 1; + + error = driver_register(&drv->driver); + if (error) { + printk(KERN_ERR + "serio: driver_register() failed for %s, error: %d\n", + drv->driver.name, error); + return error; + } + + /* + * Restore original bind mode and let kseriod bind the + * driver to free ports + */ + if (!manual_bind) { + drv->manual_bind = 0; + error = serio_queue_event(drv, NULL, SERIO_ATTACH_DRIVER); + if (error) { + driver_unregister(&drv->driver); + return error; + } + } + + return 0; } void serio_unregister_driver(struct serio_driver *drv) -- cgit v1.2.3 From 153a9df01c0d1ecdc56161c7a0f830325145dd64 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Thu, 23 Nov 2006 23:35:10 -0500 Subject: Input: handle serio_register_driver() errors Signed-off-by: Akinobu Mita Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/iforce/iforce-main.c | 14 +++++++++++--- drivers/input/joystick/magellan.c | 3 +-- drivers/input/joystick/spaceball.c | 3 +-- drivers/input/joystick/spaceorb.c | 3 +-- drivers/input/joystick/stinger.c | 3 +-- drivers/input/joystick/twidjoy.c | 3 +-- drivers/input/joystick/warrior.c | 3 +-- drivers/input/keyboard/atkbd.c | 3 +-- drivers/input/keyboard/hil_kbd.c | 3 +-- drivers/input/keyboard/lkkbd.c | 3 +-- drivers/input/keyboard/newtonkbd.c | 3 +-- drivers/input/keyboard/stowaway.c | 3 +-- drivers/input/keyboard/sunkbd.c | 3 +-- drivers/input/keyboard/xtkbd.c | 3 +-- drivers/input/mouse/hil_ptr.c | 3 +-- drivers/input/mouse/psmouse-base.c | 8 ++++++-- drivers/input/mouse/sermouse.c | 3 +-- drivers/input/mouse/vsxxxaa.c | 3 +-- drivers/input/serio/serio_raw.c | 3 +-- drivers/input/touchscreen/elo.c | 3 +-- drivers/input/touchscreen/gunze.c | 3 +-- drivers/input/touchscreen/h3600_ts_input.c | 3 +-- drivers/input/touchscreen/mtouch.c | 3 +-- drivers/input/touchscreen/penmount.c | 3 +-- drivers/input/touchscreen/touchright.c | 3 +-- drivers/input/touchscreen/touchwin.c | 3 +-- 26 files changed, 41 insertions(+), 53 deletions(-) (limited to 'drivers') diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c index 706e0aea793..3393a37fec3 100644 --- a/drivers/input/joystick/iforce/iforce-main.c +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -467,13 +467,21 @@ int iforce_init_device(struct iforce *iforce) static int __init iforce_init(void) { + int err = 0; + #ifdef CONFIG_JOYSTICK_IFORCE_USB - usb_register(&iforce_usb_driver); + err = usb_register(&iforce_usb_driver); + if (err) + return err; #endif #ifdef CONFIG_JOYSTICK_IFORCE_232 - serio_register_driver(&iforce_serio_drv); + err = serio_register_driver(&iforce_serio_drv); +#ifdef CONFIG_JOYSTICK_IFORCE_USB + if (err) + usb_deregister(&iforce_usb_driver); #endif - return 0; +#endif + return err; } static void __exit iforce_exit(void) diff --git a/drivers/input/joystick/magellan.c b/drivers/input/joystick/magellan.c index d512b0a0282..4112789f119 100644 --- a/drivers/input/joystick/magellan.c +++ b/drivers/input/joystick/magellan.c @@ -231,8 +231,7 @@ static struct serio_driver magellan_drv = { static int __init magellan_init(void) { - serio_register_driver(&magellan_drv); - return 0; + return serio_register_driver(&magellan_drv); } static void __exit magellan_exit(void) diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c index 9b3597343c1..08bf113e62e 100644 --- a/drivers/input/joystick/spaceball.c +++ b/drivers/input/joystick/spaceball.c @@ -300,8 +300,7 @@ static struct serio_driver spaceball_drv = { static int __init spaceball_init(void) { - serio_register_driver(&spaceball_drv); - return 0; + return serio_register_driver(&spaceball_drv); } static void __exit spaceball_exit(void) diff --git a/drivers/input/joystick/spaceorb.c b/drivers/input/joystick/spaceorb.c index ea9d51e70a1..c9c79211af7 100644 --- a/drivers/input/joystick/spaceorb.c +++ b/drivers/input/joystick/spaceorb.c @@ -246,8 +246,7 @@ static struct serio_driver spaceorb_drv = { static int __init spaceorb_init(void) { - serio_register_driver(&spaceorb_drv); - return 0; + return serio_register_driver(&spaceorb_drv); } static void __exit spaceorb_exit(void) diff --git a/drivers/input/joystick/stinger.c b/drivers/input/joystick/stinger.c index b51a4a4c7f6..ecb0916215f 100644 --- a/drivers/input/joystick/stinger.c +++ b/drivers/input/joystick/stinger.c @@ -216,8 +216,7 @@ static struct serio_driver stinger_drv = { static int __init stinger_init(void) { - serio_register_driver(&stinger_drv); - return 0; + return serio_register_driver(&stinger_drv); } static void __exit stinger_exit(void) diff --git a/drivers/input/joystick/twidjoy.c b/drivers/input/joystick/twidjoy.c index 3c1c83e8609..9cf17d6ced8 100644 --- a/drivers/input/joystick/twidjoy.c +++ b/drivers/input/joystick/twidjoy.c @@ -269,8 +269,7 @@ static struct serio_driver twidjoy_drv = { static int __init twidjoy_init(void) { - serio_register_driver(&twidjoy_drv); - return 0; + return serio_register_driver(&twidjoy_drv); } static void __exit twidjoy_exit(void) diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c index 1e4828b9a1a..29d339acf43 100644 --- a/drivers/input/joystick/warrior.c +++ b/drivers/input/joystick/warrior.c @@ -224,8 +224,7 @@ static struct serio_driver warrior_drv = { static int __init warrior_init(void) { - serio_register_driver(&warrior_drv); - return 0; + return serio_register_driver(&warrior_drv); } static void __exit warrior_exit(void) diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 73c6946b2d9..498e64a00e3 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -1389,8 +1389,7 @@ static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) static int __init atkbd_init(void) { - serio_register_driver(&atkbd_drv); - return 0; + return serio_register_driver(&atkbd_drv); } static void __exit atkbd_exit(void) diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index e774dd31e99..7cc9728b04d 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -381,8 +381,7 @@ struct serio_driver hil_kbd_serio_drv = { static int __init hil_kbd_init(void) { - serio_register_driver(&hil_kbd_serio_drv); - return 0; + return serio_register_driver(&hil_kbd_serio_drv); } static void __exit hil_kbd_exit(void) diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c index 0067c1fe3d4..1789785813e 100644 --- a/drivers/input/keyboard/lkkbd.c +++ b/drivers/input/keyboard/lkkbd.c @@ -758,8 +758,7 @@ static struct serio_driver lkkbd_drv = { static int __init lkkbd_init (void) { - serio_register_driver(&lkkbd_drv); - return 0; + return serio_register_driver(&lkkbd_drv); } static void __exit diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c index 33e813948d6..aa29b50765c 100644 --- a/drivers/input/keyboard/newtonkbd.c +++ b/drivers/input/keyboard/newtonkbd.c @@ -169,8 +169,7 @@ static struct serio_driver nkbd_drv = { static int __init nkbd_init(void) { - serio_register_driver(&nkbd_drv); - return 0; + return serio_register_driver(&nkbd_drv); } static void __exit nkbd_exit(void) diff --git a/drivers/input/keyboard/stowaway.c b/drivers/input/keyboard/stowaway.c index e60937d17b1..f7b5c5b8145 100644 --- a/drivers/input/keyboard/stowaway.c +++ b/drivers/input/keyboard/stowaway.c @@ -173,8 +173,7 @@ static struct serio_driver skbd_drv = { static int __init skbd_init(void) { - serio_register_driver(&skbd_drv); - return 0; + return serio_register_driver(&skbd_drv); } static void __exit skbd_exit(void) diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c index d1b62f77a71..d6ab6d4b1fa 100644 --- a/drivers/input/keyboard/sunkbd.c +++ b/drivers/input/keyboard/sunkbd.c @@ -352,8 +352,7 @@ static struct serio_driver sunkbd_drv = { static int __init sunkbd_init(void) { - serio_register_driver(&sunkbd_drv); - return 0; + return serio_register_driver(&sunkbd_drv); } static void __exit sunkbd_exit(void) diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c index b53f7163858..a8209343213 100644 --- a/drivers/input/keyboard/xtkbd.c +++ b/drivers/input/keyboard/xtkbd.c @@ -174,8 +174,7 @@ static struct serio_driver xtkbd_drv = { static int __init xtkbd_init(void) { - serio_register_driver(&xtkbd_drv); - return 0; + return serio_register_driver(&xtkbd_drv); } static void __exit xtkbd_exit(void) diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c index 4f2b503c1ac..bfb174fe323 100644 --- a/drivers/input/mouse/hil_ptr.c +++ b/drivers/input/mouse/hil_ptr.c @@ -417,8 +417,7 @@ static struct serio_driver hil_ptr_serio_driver = { static int __init hil_ptr_init(void) { - serio_register_driver(&hil_ptr_serio_driver); - return 0; + return serio_register_driver(&hil_ptr_serio_driver); } static void __exit hil_ptr_exit(void) diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 58beca99a9c..e626b1e737f 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1524,15 +1524,19 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp) static int __init psmouse_init(void) { + int err; + kpsmoused_wq = create_singlethread_workqueue("kpsmoused"); if (!kpsmoused_wq) { printk(KERN_ERR "psmouse: failed to create kpsmoused workqueue\n"); return -ENOMEM; } - serio_register_driver(&psmouse_drv); + err = serio_register_driver(&psmouse_drv); + if (err) + destroy_workqueue(kpsmoused_wq); - return 0; + return err; } static void __exit psmouse_exit(void) diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c index 10b51e7f01f..a85d74710b4 100644 --- a/drivers/input/mouse/sermouse.c +++ b/drivers/input/mouse/sermouse.c @@ -351,8 +351,7 @@ static struct serio_driver sermouse_drv = { static int __init sermouse_init(void) { - serio_register_driver(&sermouse_drv); - return 0; + return serio_register_driver(&sermouse_drv); } static void __exit sermouse_exit(void) diff --git a/drivers/input/mouse/vsxxxaa.c b/drivers/input/mouse/vsxxxaa.c index ffd0d6624a8..c3d64fcc858 100644 --- a/drivers/input/mouse/vsxxxaa.c +++ b/drivers/input/mouse/vsxxxaa.c @@ -574,8 +574,7 @@ static struct serio_driver vsxxxaa_drv = { static int __init vsxxxaa_init (void) { - serio_register_driver(&vsxxxaa_drv); - return 0; + return serio_register_driver(&vsxxxaa_drv); } static void __exit diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index ba2a2035d64..0e343a6cacc 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -389,8 +389,7 @@ static struct serio_driver serio_raw_drv = { static int __init serio_raw_init(void) { - serio_register_driver(&serio_raw_drv); - return 0; + return serio_register_driver(&serio_raw_drv); } static void __exit serio_raw_exit(void) diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c index 913e1b73bb0..9d61cd133d0 100644 --- a/drivers/input/touchscreen/elo.c +++ b/drivers/input/touchscreen/elo.c @@ -397,8 +397,7 @@ static struct serio_driver elo_drv = { static int __init elo_init(void) { - serio_register_driver(&elo_drv); - return 0; + return serio_register_driver(&elo_drv); } static void __exit elo_exit(void) diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c index 44f397fff71..9157eb148e8 100644 --- a/drivers/input/touchscreen/gunze.c +++ b/drivers/input/touchscreen/gunze.c @@ -194,8 +194,7 @@ static struct serio_driver gunze_drv = { static int __init gunze_init(void) { - serio_register_driver(&gunze_drv); - return 0; + return serio_register_driver(&gunze_drv); } static void __exit gunze_exit(void) diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c index d9e61ee05ea..c4116d4f64e 100644 --- a/drivers/input/touchscreen/h3600_ts_input.c +++ b/drivers/input/touchscreen/h3600_ts_input.c @@ -478,8 +478,7 @@ static struct serio_driver h3600ts_drv = { static int __init h3600ts_init(void) { - serio_register_driver(&h3600ts_drv); - return 0; + return serio_register_driver(&h3600ts_drv); } static void __exit h3600ts_exit(void) diff --git a/drivers/input/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c index c66b399774f..c3c2d735d0e 100644 --- a/drivers/input/touchscreen/mtouch.c +++ b/drivers/input/touchscreen/mtouch.c @@ -208,8 +208,7 @@ static struct serio_driver mtouch_drv = { static int __init mtouch_init(void) { - serio_register_driver(&mtouch_drv); - return 0; + return serio_register_driver(&mtouch_drv); } static void __exit mtouch_exit(void) diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c index 6c7d0c2c76c..bd2767991ae 100644 --- a/drivers/input/touchscreen/penmount.c +++ b/drivers/input/touchscreen/penmount.c @@ -171,8 +171,7 @@ static struct serio_driver pm_drv = { static int __init pm_init(void) { - serio_register_driver(&pm_drv); - return 0; + return serio_register_driver(&pm_drv); } static void __exit pm_exit(void) diff --git a/drivers/input/touchscreen/touchright.c b/drivers/input/touchscreen/touchright.c index c74f74e57af..35ba46c6ad2 100644 --- a/drivers/input/touchscreen/touchright.c +++ b/drivers/input/touchscreen/touchright.c @@ -182,8 +182,7 @@ static struct serio_driver tr_drv = { static int __init tr_init(void) { - serio_register_driver(&tr_drv); - return 0; + return serio_register_driver(&tr_drv); } static void __exit tr_exit(void) diff --git a/drivers/input/touchscreen/touchwin.c b/drivers/input/touchscreen/touchwin.c index 9911820fa2f..4dc073dacab 100644 --- a/drivers/input/touchscreen/touchwin.c +++ b/drivers/input/touchscreen/touchwin.c @@ -189,8 +189,7 @@ static struct serio_driver tw_drv = { static int __init tw_init(void) { - serio_register_driver(&tw_drv); - return 0; + return serio_register_driver(&tw_drv); } static void __exit tw_exit(void) -- cgit v1.2.3 From f9705fcb9887fcff364a0c8dffbac693aa221d4f Mon Sep 17 00:00:00 2001 From: Nicolas Bellido Date: Fri, 24 Nov 2006 00:42:50 -0500 Subject: Input: add driver for keyboard on AAED-2000 development board (ARM) The keyboard is connected via GPIOs to the processor, and scanned using a column sample register. The hardware provides no debouncing mechanism, so the state of the keys is read KBDSCAN_STABLE_COUNT times before being reported to the input layer. The status of the keys needs to be polled because there is no interrupt hooked to the lines. A workqueue is used for this. Signed-off-by: Nicolas Bellido Y Ortega Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/Kconfig | 11 ++ drivers/input/keyboard/Makefile | 1 + drivers/input/keyboard/aaed2000_kbd.c | 203 ++++++++++++++++++++++++++++++++++ 3 files changed, 215 insertions(+) create mode 100644 drivers/input/keyboard/aaed2000_kbd.c (limited to 'drivers') diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 81a333f7301..049f2f544e7 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -203,4 +203,15 @@ config KEYBOARD_OMAP To compile this driver as a module, choose M here: the module will be called omap-keypad. +config KEYBOARD_AAED2000 + tristate "AAED-2000 keyboard" + depends on MACH_AAED2000 + default y + help + Say Y here to enable the keyboard on the Agilent AAED-2000 + development board. + + To compile this driver as a module, choose M here: the + module will be called aaed2000_kbd. + endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 4c79e7bc9d0..56879790734 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -17,4 +17,5 @@ obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o +obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o diff --git a/drivers/input/keyboard/aaed2000_kbd.c b/drivers/input/keyboard/aaed2000_kbd.c new file mode 100644 index 00000000000..65fcb6af63a --- /dev/null +++ b/drivers/input/keyboard/aaed2000_kbd.c @@ -0,0 +1,203 @@ +/* + * Keyboard driver for the AAED-2000 dev board + * + * Copyright (c) 2006 Nicolas Bellido Y Ortega + * + * Based on corgikbd.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define KB_ROWS 12 +#define KB_COLS 8 +#define KB_ROWMASK(r) (1 << (r)) +#define SCANCODE(r,c) (((c) * KB_ROWS) + (r)) +#define NR_SCANCODES (KB_COLS * KB_ROWS) + +#define SCAN_INTERVAL (50) /* ms */ +#define KB_ACTIVATE_DELAY (20) /* us */ + +static unsigned char aaedkbd_keycode[NR_SCANCODES] = { + KEY_9, KEY_0, KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, 0, KEY_SPACE, KEY_KP6, 0, KEY_KPDOT, 0, 0, + KEY_K, KEY_M, KEY_O, KEY_DOT, KEY_SLASH, 0, KEY_F, 0, 0, 0, KEY_LEFTSHIFT, 0, + KEY_I, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE, KEY_BACKSLASH, 0, 0, 0, 0, 0, KEY_RIGHTSHIFT, 0, + KEY_8, KEY_L, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_ENTER, 0, 0, 0, 0, 0, 0, 0, + KEY_J, KEY_H, KEY_B, KEY_KP8, KEY_KP4, 0, KEY_C, KEY_D, KEY_S, KEY_A, 0, KEY_CAPSLOCK, + KEY_Y, KEY_U, KEY_N, KEY_T, 0, 0, KEY_R, KEY_E, KEY_W, KEY_Q, 0, KEY_TAB, + KEY_7, KEY_6, KEY_G, 0, KEY_5, 0, KEY_4, KEY_3, KEY_2, KEY_1, 0, KEY_GRAVE, + 0, 0, KEY_COMMA, 0, KEY_KP2, 0, KEY_V, KEY_LEFTALT, KEY_X, KEY_Z, 0, KEY_LEFTCTRL +}; + +struct aaedkbd { + unsigned char keycode[ARRAY_SIZE(aaedkbd_keycode)]; + struct input_dev *input; + struct work_struct workq; + int kbdscan_state[KB_COLS]; + int kbdscan_count[KB_COLS]; +}; + +#define KBDSCAN_STABLE_COUNT 2 + +static void aaedkbd_report_col(struct aaedkbd *aaedkbd, + unsigned int col, unsigned int rowd) +{ + unsigned int scancode, pressed; + unsigned int row; + + for (row = 0; row < KB_ROWS; row++) { + scancode = SCANCODE(row, col); + pressed = rowd & KB_ROWMASK(row); + + input_report_key(aaedkbd->input, aaedkbd->keycode[scancode], pressed); + } +} + +/* Scan the hardware keyboard and push any changes up through the input layer */ +static void aaedkbd_work(void *data) +{ + struct aaedkbd *aaedkbd = data; + unsigned int col, rowd; + + col = 0; + do { + AAEC_GPIO_KSCAN = col + 8; + udelay(KB_ACTIVATE_DELAY); + rowd = AAED_EXT_GPIO & AAED_EGPIO_KBD_SCAN; + + if (rowd != aaedkbd->kbdscan_state[col]) { + aaedkbd->kbdscan_count[col] = 0; + aaedkbd->kbdscan_state[col] = rowd; + } else if (++aaedkbd->kbdscan_count[col] >= KBDSCAN_STABLE_COUNT) { + aaedkbd_report_col(aaedkbd, col, rowd); + col++; + } + } while (col < KB_COLS); + + AAEC_GPIO_KSCAN = 0x07; + input_sync(aaedkbd->input); + + schedule_delayed_work(&aaedkbd->workq, msecs_to_jiffies(SCAN_INTERVAL)); +} + +static int aaedkbd_open(struct input_dev *indev) +{ + struct aaedkbd *aaedkbd = indev->private; + + schedule_delayed_work(&aaedkbd->workq, msecs_to_jiffies(SCAN_INTERVAL)); + + return 0; +} + +static void aaedkbd_close(struct input_dev *indev) +{ + struct aaedkbd *aaedkbd = indev->private; + + cancel_delayed_work(&aaedkbd->workq); + flush_scheduled_work(); +} + +static int __devinit aaedkbd_probe(struct platform_device *pdev) +{ + struct aaedkbd *aaedkbd; + struct input_dev *input_dev; + int i; + int error; + + aaedkbd = kzalloc(sizeof(struct aaedkbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!aaedkbd || !input_dev) { + error = -ENOMEM; + goto fail; + } + + platform_set_drvdata(pdev, aaedkbd); + + aaedkbd->input = input_dev; + + /* Init keyboard rescan workqueue */ + INIT_WORK(&aaedkbd->workq, aaedkbd_work, aaedkbd); + + memcpy(aaedkbd->keycode, aaedkbd_keycode, sizeof(aaedkbd->keycode)); + + input_dev->name = "AAED-2000 Keyboard"; + input_dev->phys = "aaedkbd/input0"; + input_dev->id.bustype = BUS_HOST; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->cdev.dev = &pdev->dev; + input_dev->private = aaedkbd; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + input_dev->keycode = aaedkbd->keycode; + input_dev->keycodesize = sizeof(unsigned char); + input_dev->keycodemax = ARRAY_SIZE(aaedkbd_keycode); + + for (i = 0; i < ARRAY_SIZE(aaedkbd_keycode); i++) + set_bit(aaedkbd->keycode[i], input_dev->keybit); + clear_bit(0, input_dev->keybit); + + input_dev->open = aaedkbd_open; + input_dev->close = aaedkbd_close; + + error = input_register_device(aaedkbd->input); + if (error) + goto fail; + + return 0; + + fail: kfree(aaedkbd); + input_free_device(input_dev); + return error; +} + +static int __devexit aaedkbd_remove(struct platform_device *pdev) +{ + struct aaedkbd *aaedkbd = platform_get_drvdata(pdev); + + input_unregister_device(aaedkbd->input); + kfree(aaedkbd); + + return 0; +} + +static struct platform_driver aaedkbd_driver = { + .probe = aaedkbd_probe, + .remove = __devexit_p(aaedkbd_remove), + .driver = { + .name = "aaed2000-keyboard", + }, +}; + +static int __init aaedkbd_init(void) +{ + return platform_driver_register(&aaedkbd_driver); +} + +static void __exit aaedkbd_exit(void) +{ + platform_driver_unregister(&aaedkbd_driver); +} + +module_init(aaedkbd_init); +module_exit(aaedkbd_exit); + +MODULE_AUTHOR("Nicolas Bellido Y Ortega"); +MODULE_DESCRIPTION("AAED-2000 Keyboard Driver"); +MODULE_LICENSE("GPLv2"); -- cgit v1.2.3 From e4477d2d1bc3e6c76e83926f7fa8c8f94ba42615 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 24 Nov 2006 00:43:09 -0500 Subject: Input: add to kernel-api docbook Add input subsystem to kernel-api docbook. Enhance some function and parameter comments. Signed-off-by: Randy Dunlap Signed-off-by: Dmitry Torokhov --- drivers/input/ff-core.c | 4 ++-- drivers/input/ff-memless.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 35656cadc91..783b3412cea 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -203,7 +203,7 @@ static int erase_effect(struct input_dev *dev, int effect_id, } /** - * input_ff_erase - erase an effect from device + * input_ff_erase - erase a force-feedback effect from device * @dev: input device to erase effect from * @effect_id: id of the ffect to be erased * @file: purported owner of the request @@ -347,7 +347,7 @@ EXPORT_SYMBOL_GPL(input_ff_create); /** * input_ff_free() - frees force feedback portion of input device - * @dev: input device supporintg force feedback + * @dev: input device supporting force feedback * * This function is only needed in error path as input core will * automatically free force feedback structures when device is diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index cd8b7297e6d..eba18b6ac5e 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -460,7 +460,7 @@ static void ml_ff_destroy(struct ff_device *ff) } /** - * input_ff_create_memless() - create memoryless FF device + * input_ff_create_memless() - create memoryless force-feedback device * @dev: input device supporting force-feedback * @data: driver-specific data to be passed into @play_effect * @play_effect: driver-specific method for playing FF effect -- cgit v1.2.3 From 4bdbd2807deeccc0793d57fb5120d7a53f2c0b3c Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 24 Nov 2006 00:43:22 -0500 Subject: Input: handle errors from input_register_device in drivers/macintosh Signed-off-by: Dmitry Torokhov --- drivers/macintosh/adbhid.c | 10 +++++++--- drivers/macintosh/mac_hid.c | 8 ++++++-- 2 files changed, 13 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index 5066e7a8ea9..1c7d6f221b5 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -689,7 +689,6 @@ adbhid_input_register(int id, int default_id, int original_handler_id, if (!hid || !input_dev) { err = -ENOMEM; goto fail; - } sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); @@ -807,7 +806,9 @@ adbhid_input_register(int id, int default_id, int original_handler_id, input_dev->keycode = hid->keycode; - input_register_device(input_dev); + err = input_register_device(input_dev); + if (err) + goto fail; if (default_id == ADB_KEYBOARD) { /* HACK WARNING!! This should go away as soon there is an utility @@ -820,7 +821,10 @@ adbhid_input_register(int id, int default_id, int original_handler_id, return 0; fail: input_free_device(input_dev); - kfree(hid); + if (hid) { + kfree(hid->keycode); + kfree(hid); + } adbhid[id] = NULL; return err; } diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c index 6b129eef798..ee6b4ca6913 100644 --- a/drivers/macintosh/mac_hid.c +++ b/drivers/macintosh/mac_hid.c @@ -106,6 +106,8 @@ EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons); static int emumousebtn_input_register(void) { + int ret; + emumousebtn = input_allocate_device(); if (!emumousebtn) return -ENOMEM; @@ -120,9 +122,11 @@ static int emumousebtn_input_register(void) emumousebtn->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); emumousebtn->relbit[0] = BIT(REL_X) | BIT(REL_Y); - input_register_device(emumousebtn); + ret = input_register_device(emumousebtn); + if (ret) + input_free_device(emumousebtn); - return 0; + return ret; } int __init mac_hid_init(void) -- cgit v1.2.3 From 84ad58e4efcf80c154f693d4cc8f5c913511b760 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 19 Nov 2006 18:53:43 -0800 Subject: [SCSI] initio: fix section mismatches with HOTPLUG=n WARNING: drivers/scsi/initio.o - Section mismatch: reference to .init.data: from .text between 'i91u_detect' (at offset 0x26e8) and 'i91uSCBPost' WARNING: drivers/scsi/initio.o - Section mismatch: reference to .init.data:i91u_pci_devices from .text between 'i91u_detect' (at offset 0x26ef) and 'i91uSCBPost' Signed-off-by: Randy Dunlap Signed-off-by: James Bottomley --- drivers/scsi/initio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index afed293dd7b..f160357e37a 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -170,7 +170,7 @@ static int setup_debug = 0; static void i91uSCBPost(BYTE * pHcb, BYTE * pScb); /* PCI Devices supported by this driver */ -static struct pci_device_id i91u_pci_devices[] __devinitdata = { +static struct pci_device_id i91u_pci_devices[] = { { PCI_VENDOR_ID_INIT, I950_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_INIT, I940_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_INIT, I935_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, -- cgit v1.2.3 From b58d91547fb17c65ad621f3f98b1f2c228c812a5 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 16 Nov 2006 19:24:10 +0900 Subject: [SCSI] export scsi-ml functions needed by tgt_scsi_lib and its LLDs This patch contains the needed changes to the scsi-ml for the target mode support. Note, per the last review we moved almost all the fields we added to the scsi_cmnd to our internal data structure which we are going to try and kill off when we can replace it with support from other parts of the kernel. The one field we left on was the offset variable. This is needed to handle the case where the target gets request that is so large that it cannot execute it in one dma operation. So max_secotors or a segment limit may limit the size of the transfer. In this case our tgt core code will break up the command into managable transfers and send them to the LLD one at a time. The offset is then used to tell the LLD where in the command we are at. Is there another field on the scsi_cmd for that? Signed-off-by: Mike Christie Signed-off-by: FUJITA Tomonori Signed-off-by: James Bottomley --- drivers/scsi/hosts.c | 4 ++++ drivers/scsi/scsi.c | 43 ++++++++++++++++++++++++++----------------- drivers/scsi/scsi_lib.c | 33 ++++++++++++++++++++++++--------- 3 files changed, 54 insertions(+), 26 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 2ffdc9e0532..38c3a291efa 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -263,6 +263,10 @@ static void scsi_host_dev_release(struct device *dev) kthread_stop(shost->ehandler); if (shost->work_q) destroy_workqueue(shost->work_q); + if (shost->uspace_req_q) { + kfree(shost->uspace_req_q->queuedata); + scsi_free_queue(shost->uspace_req_q); + } scsi_destroy_command_freelist(shost); if (shost->bqt) diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 780d6dc92b4..fafc00deaad 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -156,8 +156,7 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = { static DEFINE_MUTEX(host_cmd_pool_mutex); -static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, - gfp_t gfp_mask) +struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask) { struct scsi_cmnd *cmd; @@ -178,6 +177,7 @@ static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, return cmd; } +EXPORT_SYMBOL_GPL(__scsi_get_command); /* * Function: scsi_get_command() @@ -214,9 +214,29 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask) put_device(&dev->sdev_gendev); return cmd; -} +} EXPORT_SYMBOL(scsi_get_command); +void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd, + struct device *dev) +{ + unsigned long flags; + + /* changing locks here, don't need to restore the irq state */ + spin_lock_irqsave(&shost->free_list_lock, flags); + if (unlikely(list_empty(&shost->free_list))) { + list_add(&cmd->list, &shost->free_list); + cmd = NULL; + } + spin_unlock_irqrestore(&shost->free_list_lock, flags); + + if (likely(cmd != NULL)) + kmem_cache_free(shost->cmd_pool->slab, cmd); + + put_device(dev); +} +EXPORT_SYMBOL(__scsi_put_command); + /* * Function: scsi_put_command() * @@ -231,26 +251,15 @@ EXPORT_SYMBOL(scsi_get_command); void scsi_put_command(struct scsi_cmnd *cmd) { struct scsi_device *sdev = cmd->device; - struct Scsi_Host *shost = sdev->host; unsigned long flags; - + /* serious error if the command hasn't come from a device list */ spin_lock_irqsave(&cmd->device->list_lock, flags); BUG_ON(list_empty(&cmd->list)); list_del_init(&cmd->list); - spin_unlock(&cmd->device->list_lock); - /* changing locks here, don't need to restore the irq state */ - spin_lock(&shost->free_list_lock); - if (unlikely(list_empty(&shost->free_list))) { - list_add(&cmd->list, &shost->free_list); - cmd = NULL; - } - spin_unlock_irqrestore(&shost->free_list_lock, flags); + spin_unlock_irqrestore(&cmd->device->list_lock, flags); - if (likely(cmd != NULL)) - kmem_cache_free(shost->cmd_pool->slab, cmd); - - put_device(&sdev->sdev_gendev); + __scsi_put_command(cmd->device->host, cmd, &sdev->sdev_gendev); } EXPORT_SYMBOL(scsi_put_command); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 2f12f9f12fc..fb616c69151 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -704,7 +704,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate, return NULL; } -static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) +struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask) { struct scsi_host_sg_pool *sgp; struct scatterlist *sgl; @@ -745,7 +745,9 @@ static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_m return sgl; } -static void scsi_free_sgtable(struct scatterlist *sgl, int index) +EXPORT_SYMBOL(scsi_alloc_sgtable); + +void scsi_free_sgtable(struct scatterlist *sgl, int index) { struct scsi_host_sg_pool *sgp; @@ -755,6 +757,8 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index) mempool_free(sgl, sgp->pool); } +EXPORT_SYMBOL(scsi_free_sgtable); + /* * Function: scsi_release_buffers() * @@ -1567,29 +1571,40 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost) } EXPORT_SYMBOL(scsi_calculate_bounce_limit); -struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) +struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost, + request_fn_proc *request_fn) { - struct Scsi_Host *shost = sdev->host; struct request_queue *q; - q = blk_init_queue(scsi_request_fn, NULL); + q = blk_init_queue(request_fn, NULL); if (!q) return NULL; - blk_queue_prep_rq(q, scsi_prep_fn); - blk_queue_max_hw_segments(q, shost->sg_tablesize); blk_queue_max_phys_segments(q, SCSI_MAX_PHYS_SEGMENTS); blk_queue_max_sectors(q, shost->max_sectors); blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost)); blk_queue_segment_boundary(q, shost->dma_boundary); - blk_queue_issue_flush_fn(q, scsi_issue_flush_fn); - blk_queue_softirq_done(q, scsi_softirq_done); if (!shost->use_clustering) clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags); return q; } +EXPORT_SYMBOL(__scsi_alloc_queue); + +struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) +{ + struct request_queue *q; + + q = __scsi_alloc_queue(sdev->host, scsi_request_fn); + if (!q) + return NULL; + + blk_queue_prep_rq(q, scsi_prep_fn); + blk_queue_issue_flush_fn(q, scsi_issue_flush_fn); + blk_queue_softirq_done(q, scsi_softirq_done); + return q; +} void scsi_free_queue(struct request_queue *q) { -- cgit v1.2.3 From 5a55c2596f55e3a60f7502d0dfcfa0d20241e5ac Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 16 Nov 2006 19:24:13 +0900 Subject: [SCSI] scsi tgt: scsi target lib functionality The core scsi target lib functions. TODO: - mv md/dm-bio-list.h to linux/bio-list.h so md and us do not have to do that weird include. - convert scsi_tgt_cmd's work struct to James's execute code. And try to kill our scsi_tgt_cmd. - add host state checking. We do refcouting so hotplug is partially supported, but we need to add state checking to make it easier on the LLD. Signed-off-by: Mike Christie Signed-off-by: FUJITA Tomonori Signed-off-by: James Bottomley --- drivers/scsi/scsi_tgt_lib.c | 742 +++++++++++++++++++++++++++++++++++++++++++ drivers/scsi/scsi_tgt_priv.h | 25 ++ 2 files changed, 767 insertions(+) create mode 100644 drivers/scsi/scsi_tgt_lib.c create mode 100644 drivers/scsi/scsi_tgt_priv.h (limited to 'drivers') diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c new file mode 100644 index 00000000000..39da5cd6fb6 --- /dev/null +++ b/drivers/scsi/scsi_tgt_lib.c @@ -0,0 +1,742 @@ +/* + * SCSI target lib functions + * + * Copyright (C) 2005 Mike Christie + * Copyright (C) 2005 FUJITA Tomonori + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include <../drivers/md/dm-bio-list.h> + +#include "scsi_tgt_priv.h" + +static struct workqueue_struct *scsi_tgtd; +static kmem_cache_t *scsi_tgt_cmd_cache; + +/* + * TODO: this struct will be killed when the block layer supports large bios + * and James's work struct code is in + */ +struct scsi_tgt_cmd { + /* TODO replace work with James b's code */ + struct work_struct work; + /* TODO replace the lists with a large bio */ + struct bio_list xfer_done_list; + struct bio_list xfer_list; + + struct list_head hash_list; + struct request *rq; + u64 tag; + + void *buffer; + unsigned bufflen; +}; + +#define TGT_HASH_ORDER 4 +#define cmd_hashfn(tag) hash_long((unsigned long) (tag), TGT_HASH_ORDER) + +struct scsi_tgt_queuedata { + struct Scsi_Host *shost; + struct list_head cmd_hash[1 << TGT_HASH_ORDER]; + spinlock_t cmd_hash_lock; +}; + +/* + * Function: scsi_host_get_command() + * + * Purpose: Allocate and setup a scsi command block and blk request + * + * Arguments: shost - scsi host + * data_dir - dma data dir + * gfp_mask- allocator flags + * + * Returns: The allocated scsi command structure. + * + * This should be called by target LLDs to get a command. + */ +struct scsi_cmnd *scsi_host_get_command(struct Scsi_Host *shost, + enum dma_data_direction data_dir, + gfp_t gfp_mask) +{ + int write = (data_dir == DMA_TO_DEVICE); + struct request *rq; + struct scsi_cmnd *cmd; + struct scsi_tgt_cmd *tcmd; + + /* Bail if we can't get a reference to the device */ + if (!get_device(&shost->shost_gendev)) + return NULL; + + tcmd = kmem_cache_alloc(scsi_tgt_cmd_cache, GFP_ATOMIC); + if (!tcmd) + goto put_dev; + + rq = blk_get_request(shost->uspace_req_q, write, gfp_mask); + if (!rq) + goto free_tcmd; + + cmd = __scsi_get_command(shost, gfp_mask); + if (!cmd) + goto release_rq; + + memset(cmd, 0, sizeof(*cmd)); + cmd->sc_data_direction = data_dir; + cmd->jiffies_at_alloc = jiffies; + cmd->request = rq; + + rq->special = cmd; + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_flags |= REQ_TYPE_BLOCK_PC; + rq->end_io_data = tcmd; + + bio_list_init(&tcmd->xfer_list); + bio_list_init(&tcmd->xfer_done_list); + tcmd->rq = rq; + + return cmd; + +release_rq: + blk_put_request(rq); +free_tcmd: + kmem_cache_free(scsi_tgt_cmd_cache, tcmd); +put_dev: + put_device(&shost->shost_gendev); + return NULL; + +} +EXPORT_SYMBOL_GPL(scsi_host_get_command); + +/* + * Function: scsi_host_put_command() + * + * Purpose: Free a scsi command block + * + * Arguments: shost - scsi host + * cmd - command block to free + * + * Returns: Nothing. + * + * Notes: The command must not belong to any lists. + */ +void scsi_host_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd) +{ + struct request_queue *q = shost->uspace_req_q; + struct request *rq = cmd->request; + struct scsi_tgt_cmd *tcmd = rq->end_io_data; + unsigned long flags; + + kmem_cache_free(scsi_tgt_cmd_cache, tcmd); + + spin_lock_irqsave(q->queue_lock, flags); + __blk_put_request(q, rq); + spin_unlock_irqrestore(q->queue_lock, flags); + + __scsi_put_command(shost, cmd, &shost->shost_gendev); +} +EXPORT_SYMBOL_GPL(scsi_host_put_command); + +static void scsi_unmap_user_pages(struct scsi_tgt_cmd *tcmd) +{ + struct bio *bio; + + /* must call bio_endio in case bio was bounced */ + while ((bio = bio_list_pop(&tcmd->xfer_done_list))) { + bio_endio(bio, bio->bi_size, 0); + bio_unmap_user(bio); + } + + while ((bio = bio_list_pop(&tcmd->xfer_list))) { + bio_endio(bio, bio->bi_size, 0); + bio_unmap_user(bio); + } +} + +static void cmd_hashlist_del(struct scsi_cmnd *cmd) +{ + struct request_queue *q = cmd->request->q; + struct scsi_tgt_queuedata *qdata = q->queuedata; + unsigned long flags; + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + list_del(&tcmd->hash_list); + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); +} + +static void scsi_tgt_cmd_destroy(void *data) +{ + struct scsi_cmnd *cmd = data; + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction, + rq_data_dir(cmd->request)); + /* + * We fix rq->cmd_flags here since when we told bio_map_user + * to write vm for WRITE commands, blk_rq_bio_prep set + * rq_data_dir the flags to READ. + */ + if (cmd->sc_data_direction == DMA_TO_DEVICE) + cmd->request->cmd_flags |= REQ_RW; + else + cmd->request->cmd_flags &= ~REQ_RW; + + scsi_unmap_user_pages(tcmd); + scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd); +} + +static void init_scsi_tgt_cmd(struct request *rq, struct scsi_tgt_cmd *tcmd, + u64 tag) +{ + struct scsi_tgt_queuedata *qdata = rq->q->queuedata; + unsigned long flags; + struct list_head *head; + + tcmd->tag = tag; + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + head = &qdata->cmd_hash[cmd_hashfn(tag)]; + list_add(&tcmd->hash_list, head); + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); +} + +/* + * scsi_tgt_alloc_queue - setup queue used for message passing + * shost: scsi host + * + * This should be called by the LLD after host allocation. + * And will be released when the host is released. + */ +int scsi_tgt_alloc_queue(struct Scsi_Host *shost) +{ + struct scsi_tgt_queuedata *queuedata; + struct request_queue *q; + int err, i; + + /* + * Do we need to send a netlink event or should uspace + * just respond to the hotplug event? + */ + q = __scsi_alloc_queue(shost, NULL); + if (!q) + return -ENOMEM; + + queuedata = kzalloc(sizeof(*queuedata), GFP_KERNEL); + if (!queuedata) { + err = -ENOMEM; + goto cleanup_queue; + } + queuedata->shost = shost; + q->queuedata = queuedata; + + /* + * this is a silly hack. We should probably just queue as many + * command as is recvd to userspace. uspace can then make + * sure we do not overload the HBA + */ + q->nr_requests = shost->hostt->can_queue; + /* + * We currently only support software LLDs so this does + * not matter for now. Do we need this for the cards we support? + * If so we should make it a host template value. + */ + blk_queue_dma_alignment(q, 0); + shost->uspace_req_q = q; + + for (i = 0; i < ARRAY_SIZE(queuedata->cmd_hash); i++) + INIT_LIST_HEAD(&queuedata->cmd_hash[i]); + spin_lock_init(&queuedata->cmd_hash_lock); + + return 0; + +cleanup_queue: + blk_cleanup_queue(q); + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_alloc_queue); + +void scsi_tgt_free_queue(struct Scsi_Host *shost) +{ + int i; + unsigned long flags; + struct request_queue *q = shost->uspace_req_q; + struct scsi_cmnd *cmd; + struct scsi_tgt_queuedata *qdata = q->queuedata; + struct scsi_tgt_cmd *tcmd, *n; + LIST_HEAD(cmds); + + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + + for (i = 0; i < ARRAY_SIZE(qdata->cmd_hash); i++) { + list_for_each_entry_safe(tcmd, n, &qdata->cmd_hash[i], + hash_list) { + list_del(&tcmd->hash_list); + list_add(&tcmd->hash_list, &cmds); + } + } + + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); + + while (!list_empty(&cmds)) { + tcmd = list_entry(cmds.next, struct scsi_tgt_cmd, hash_list); + list_del(&tcmd->hash_list); + cmd = tcmd->rq->special; + + shost->hostt->eh_abort_handler(cmd); + scsi_tgt_cmd_destroy(cmd); + } +} +EXPORT_SYMBOL_GPL(scsi_tgt_free_queue); + +struct Scsi_Host *scsi_tgt_cmd_to_host(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_queuedata *queue = cmd->request->q->queuedata; + return queue->shost; +} +EXPORT_SYMBOL_GPL(scsi_tgt_cmd_to_host); + +/* + * scsi_tgt_queue_command - queue command for userspace processing + * @cmd: scsi command + * @scsilun: scsi lun + * @tag: unique value to identify this command for tmf + */ +int scsi_tgt_queue_command(struct scsi_cmnd *cmd, struct scsi_lun *scsilun, + u64 tag) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + int err; + + init_scsi_tgt_cmd(cmd->request, tcmd, tag); + err = scsi_tgt_uspace_send_cmd(cmd, scsilun, tag); + if (err) + cmd_hashlist_del(cmd); + + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_queue_command); + +/* + * This is run from a interrpt handler normally and the unmap + * needs process context so we must queue + */ +static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + + dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + + scsi_tgt_uspace_send_status(cmd, tcmd->tag); + INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy, cmd); + queue_work(scsi_tgtd, &tcmd->work); +} + +static int __scsi_tgt_transfer_response(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + int err; + + dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + + err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done); + switch (err) { + case SCSI_MLQUEUE_HOST_BUSY: + case SCSI_MLQUEUE_DEVICE_BUSY: + return -EAGAIN; + } + + return 0; +} + +static void scsi_tgt_transfer_response(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + int err; + + err = __scsi_tgt_transfer_response(cmd); + if (!err) + return; + + cmd->result = DID_BUS_BUSY << 16; + err = scsi_tgt_uspace_send_status(cmd, tcmd->tag); + if (err <= 0) + /* the eh will have to pick this up */ + printk(KERN_ERR "Could not send cmd %p status\n", cmd); +} + +static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) +{ + struct request *rq = cmd->request; + struct scsi_tgt_cmd *tcmd = rq->end_io_data; + int count; + + cmd->use_sg = rq->nr_phys_segments; + cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask); + if (!cmd->request_buffer) + return -ENOMEM; + + cmd->request_bufflen = rq->data_len; + + dprintk("cmd %p addr %p cnt %d %lu\n", cmd, tcmd->buffer, cmd->use_sg, + rq_data_dir(rq)); + count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer); + if (likely(count <= cmd->use_sg)) { + cmd->use_sg = count; + return 0; + } + + eprintk("cmd %p addr %p cnt %d\n", cmd, tcmd->buffer, cmd->use_sg); + scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len); + return -EINVAL; +} + +/* TODO: test this crap and replace bio_map_user with new interface maybe */ +static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd, + int rw) +{ + struct request_queue *q = cmd->request->q; + struct request *rq = cmd->request; + void *uaddr = tcmd->buffer; + unsigned int len = tcmd->bufflen; + struct bio *bio; + int err; + + while (len > 0) { + dprintk("%lx %u\n", (unsigned long) uaddr, len); + bio = bio_map_user(q, NULL, (unsigned long) uaddr, len, rw); + if (IS_ERR(bio)) { + err = PTR_ERR(bio); + dprintk("fail to map %lx %u %d %x\n", + (unsigned long) uaddr, len, err, cmd->cmnd[0]); + goto unmap_bios; + } + + uaddr += bio->bi_size; + len -= bio->bi_size; + + /* + * The first bio is added and merged. We could probably + * try to add others using scsi_merge_bio() but for now + * we keep it simple. The first bio should be pretty large + * (either hitting the 1 MB bio pages limit or a queue limit) + * already but for really large IO we may want to try and + * merge these. + */ + if (!rq->bio) { + blk_rq_bio_prep(q, rq, bio); + rq->data_len = bio->bi_size; + } else + /* put list of bios to transfer in next go around */ + bio_list_add(&tcmd->xfer_list, bio); + } + + cmd->offset = 0; + err = scsi_tgt_init_cmd(cmd, GFP_KERNEL); + if (err) + goto unmap_bios; + + return 0; + +unmap_bios: + if (rq->bio) { + bio_unmap_user(rq->bio); + while ((bio = bio_list_pop(&tcmd->xfer_list))) + bio_unmap_user(bio); + } + + return err; +} + +static int scsi_tgt_transfer_data(struct scsi_cmnd *); + +static void scsi_tgt_data_transfer_done(struct scsi_cmnd *cmd) +{ + struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + struct bio *bio; + int err; + + /* should we free resources here on error ? */ + if (cmd->result) { +send_uspace_err: + err = scsi_tgt_uspace_send_status(cmd, tcmd->tag); + if (err <= 0) + /* the tgt uspace eh will have to pick this up */ + printk(KERN_ERR "Could not send cmd %p status\n", cmd); + return; + } + + dprintk("cmd %p request_bufflen %u bufflen %u\n", + cmd, cmd->request_bufflen, tcmd->bufflen); + + scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len); + bio_list_add(&tcmd->xfer_done_list, cmd->request->bio); + + tcmd->buffer += cmd->request_bufflen; + cmd->offset += cmd->request_bufflen; + + if (!tcmd->xfer_list.head) { + scsi_tgt_transfer_response(cmd); + return; + } + + dprintk("cmd2 %p request_bufflen %u bufflen %u\n", + cmd, cmd->request_bufflen, tcmd->bufflen); + + bio = bio_list_pop(&tcmd->xfer_list); + BUG_ON(!bio); + + blk_rq_bio_prep(cmd->request->q, cmd->request, bio); + cmd->request->data_len = bio->bi_size; + err = scsi_tgt_init_cmd(cmd, GFP_ATOMIC); + if (err) { + cmd->result = DID_ERROR << 16; + goto send_uspace_err; + } + + if (scsi_tgt_transfer_data(cmd)) { + cmd->result = DID_NO_CONNECT << 16; + goto send_uspace_err; + } +} + +static int scsi_tgt_transfer_data(struct scsi_cmnd *cmd) +{ + int err; + struct Scsi_Host *host = scsi_tgt_cmd_to_host(cmd); + + err = host->hostt->transfer_data(cmd, scsi_tgt_data_transfer_done); + switch (err) { + case SCSI_MLQUEUE_HOST_BUSY: + case SCSI_MLQUEUE_DEVICE_BUSY: + return -EAGAIN; + default: + return 0; + } +} + +static int scsi_tgt_copy_sense(struct scsi_cmnd *cmd, unsigned long uaddr, + unsigned len) +{ + char __user *p = (char __user *) uaddr; + + if (copy_from_user(cmd->sense_buffer, p, + min_t(unsigned, SCSI_SENSE_BUFFERSIZE, len))) { + printk(KERN_ERR "Could not copy the sense buffer\n"); + return -EIO; + } + return 0; +} + +static int scsi_tgt_abort_cmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd) +{ + int err; + + err = shost->hostt->eh_abort_handler(cmd); + if (err) + eprintk("fail to abort %p\n", cmd); + + scsi_tgt_cmd_destroy(cmd); + return err; +} + +static struct request *tgt_cmd_hash_lookup(struct request_queue *q, u64 tag) +{ + struct scsi_tgt_queuedata *qdata = q->queuedata; + struct request *rq = NULL; + struct list_head *head; + struct scsi_tgt_cmd *tcmd; + unsigned long flags; + + head = &qdata->cmd_hash[cmd_hashfn(tag)]; + spin_lock_irqsave(&qdata->cmd_hash_lock, flags); + list_for_each_entry(tcmd, head, hash_list) { + if (tcmd->tag == tag) { + rq = tcmd->rq; + list_del(&tcmd->hash_list); + break; + } + } + spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); + + return rq; +} + +int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len, + unsigned long uaddr, u8 rw) +{ + struct Scsi_Host *shost; + struct scsi_cmnd *cmd; + struct request *rq; + struct scsi_tgt_cmd *tcmd; + int err = 0; + + dprintk("%d %llu %d %u %lx %u\n", host_no, (unsigned long long) tag, + result, len, uaddr, rw); + + /* TODO: replace with a O(1) alg */ + shost = scsi_host_lookup(host_no); + if (IS_ERR(shost)) { + printk(KERN_ERR "Could not find host no %d\n", host_no); + return -EINVAL; + } + + if (!shost->uspace_req_q) { + printk(KERN_ERR "Not target scsi host %d\n", host_no); + goto done; + } + + rq = tgt_cmd_hash_lookup(shost->uspace_req_q, tag); + if (!rq) { + printk(KERN_ERR "Could not find tag %llu\n", + (unsigned long long) tag); + err = -EINVAL; + goto done; + } + cmd = rq->special; + + dprintk("cmd %p result %d len %d bufflen %u %lu %x\n", cmd, + result, len, cmd->request_bufflen, rq_data_dir(rq), cmd->cmnd[0]); + + if (result == TASK_ABORTED) { + scsi_tgt_abort_cmd(shost, cmd); + goto done; + } + /* + * store the userspace values here, the working values are + * in the request_* values + */ + tcmd = cmd->request->end_io_data; + tcmd->buffer = (void *)uaddr; + tcmd->bufflen = len; + cmd->result = result; + + if (!tcmd->bufflen || cmd->request_buffer) { + err = __scsi_tgt_transfer_response(cmd); + goto done; + } + + /* + * TODO: Do we need to handle case where request does not + * align with LLD. + */ + err = scsi_map_user_pages(rq->end_io_data, cmd, rw); + if (err) { + eprintk("%p %d\n", cmd, err); + err = -EAGAIN; + goto done; + } + + /* userspace failure */ + if (cmd->result) { + if (status_byte(cmd->result) == CHECK_CONDITION) + scsi_tgt_copy_sense(cmd, uaddr, len); + err = __scsi_tgt_transfer_response(cmd); + goto done; + } + /* ask the target LLD to transfer the data to the buffer */ + err = scsi_tgt_transfer_data(cmd); + +done: + scsi_host_put(shost); + return err; +} + +int scsi_tgt_tsk_mgmt_request(struct Scsi_Host *shost, int function, u64 tag, + struct scsi_lun *scsilun, void *data) +{ + int err; + + /* TODO: need to retry if this fails. */ + err = scsi_tgt_uspace_send_tsk_mgmt(shost->host_no, function, + tag, scsilun, data); + if (err < 0) + eprintk("The task management request lost!\n"); + return err; +} +EXPORT_SYMBOL_GPL(scsi_tgt_tsk_mgmt_request); + +int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result) +{ + struct Scsi_Host *shost; + int err = -EINVAL; + + dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid); + + shost = scsi_host_lookup(host_no); + if (IS_ERR(shost)) { + printk(KERN_ERR "Could not find host no %d\n", host_no); + return err; + } + + if (!shost->uspace_req_q) { + printk(KERN_ERR "Not target scsi host %d\n", host_no); + goto done; + } + + err = shost->hostt->tsk_mgmt_response(mid, result); +done: + scsi_host_put(shost); + return err; +} + +static int __init scsi_tgt_init(void) +{ + int err; + + scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd", + sizeof(struct scsi_tgt_cmd), + 0, 0, NULL, NULL); + if (!scsi_tgt_cmd_cache) + return -ENOMEM; + + scsi_tgtd = create_workqueue("scsi_tgtd"); + if (!scsi_tgtd) { + err = -ENOMEM; + goto free_kmemcache; + } + + err = scsi_tgt_if_init(); + if (err) + goto destroy_wq; + + return 0; + +destroy_wq: + destroy_workqueue(scsi_tgtd); +free_kmemcache: + kmem_cache_destroy(scsi_tgt_cmd_cache); + return err; +} + +static void __exit scsi_tgt_exit(void) +{ + destroy_workqueue(scsi_tgtd); + scsi_tgt_if_exit(); + kmem_cache_destroy(scsi_tgt_cmd_cache); +} + +module_init(scsi_tgt_init); +module_exit(scsi_tgt_exit); + +MODULE_DESCRIPTION("SCSI target core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/scsi_tgt_priv.h b/drivers/scsi/scsi_tgt_priv.h new file mode 100644 index 00000000000..84488c51ff6 --- /dev/null +++ b/drivers/scsi/scsi_tgt_priv.h @@ -0,0 +1,25 @@ +struct scsi_cmnd; +struct scsi_lun; +struct Scsi_Host; +struct task_struct; + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) + +#define dprintk(fmt, args...) +/* #define dprintk eprintk */ + +extern void scsi_tgt_if_exit(void); +extern int scsi_tgt_if_init(void); + +extern int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, + u64 tag); +extern int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag); +extern int scsi_tgt_kspace_exec(int host_no, u64 tag, int result, u32 len, + unsigned long uaddr, u8 rw); +extern int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag, + struct scsi_lun *scsilun, void *data); +extern int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 mid, int result); -- cgit v1.2.3 From 97f78759ea1cb7d27b61095582de78b8e7486e85 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 16 Nov 2006 19:24:16 +0900 Subject: [SCSI] scsi tgt: scsi target user and kernel communication interface The user-space daemon and tgt kernel module need bi-directional kernel/user high-performance interface, however, mainline provides no standard interface like that. This patch adds shared memory interface between kernel and user spaces like some other drivers do by using own character device. The user-space daemon and tgt kernel module creates shared memory via mmap and use it like ring buffer. poll (kernel to user) and write (user to kernel) system calls are used for notification. Signed-off-by: FUJITA Tomonori Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_tgt_if.c | 350 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 350 insertions(+) create mode 100644 drivers/scsi/scsi_tgt_if.c (limited to 'drivers') diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c new file mode 100644 index 00000000000..28fd2223765 --- /dev/null +++ b/drivers/scsi/scsi_tgt_if.c @@ -0,0 +1,350 @@ +/* + * SCSI target kernel/user interface functions + * + * Copyright (C) 2005 FUJITA Tomonori + * Copyright (C) 2005 Mike Christie + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "scsi_tgt_priv.h" + +struct tgt_ring { + u32 tr_idx; + unsigned long tr_pages[TGT_RING_PAGES]; + spinlock_t tr_lock; +}; + +/* tx_ring : kernel->user, rx_ring : user->kernel */ +static struct tgt_ring tx_ring, rx_ring; +static DECLARE_WAIT_QUEUE_HEAD(tgt_poll_wait); + +static inline void tgt_ring_idx_inc(struct tgt_ring *ring) +{ + if (ring->tr_idx == TGT_MAX_EVENTS - 1) + ring->tr_idx = 0; + else + ring->tr_idx++; +} + +static struct tgt_event *tgt_head_event(struct tgt_ring *ring, u32 idx) +{ + u32 pidx, off; + + pidx = idx / TGT_EVENT_PER_PAGE; + off = idx % TGT_EVENT_PER_PAGE; + + return (struct tgt_event *) + (ring->tr_pages[pidx] + sizeof(struct tgt_event) * off); +} + +static int tgt_uspace_send_event(u32 type, struct tgt_event *p) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &tx_ring; + unsigned long flags; + int err = 0; + + spin_lock_irqsave(&ring->tr_lock, flags); + + ev = tgt_head_event(ring, ring->tr_idx); + if (!ev->hdr.status) + tgt_ring_idx_inc(ring); + else + err = -BUSY; + + spin_unlock_irqrestore(&ring->tr_lock, flags); + + if (err) + return err; + + memcpy(ev, p, sizeof(*ev)); + ev->hdr.type = type; + mb(); + ev->hdr.status = 1; + + flush_dcache_page(virt_to_page(ev)); + + wake_up_interruptible(&tgt_poll_wait); + + return 0; +} + +int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, struct scsi_lun *lun, u64 tag) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.cmd_req.host_no = shost->host_no; + ev.p.cmd_req.data_len = cmd->request_bufflen; + memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb)); + memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun)); + ev.p.cmd_req.attribute = cmd->tag; + ev.p.cmd_req.tag = tag; + + dprintk("%p %d %u %x %llx\n", cmd, shost->host_no, + ev.p.cmd_req.data_len, cmd->tag, + (unsigned long long) ev.p.cmd_req.tag); + + err = tgt_uspace_send_event(TGT_KEVENT_CMD_REQ, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +int scsi_tgt_uspace_send_status(struct scsi_cmnd *cmd, u64 tag) +{ + struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.cmd_done.host_no = shost->host_no; + ev.p.cmd_done.tag = tag; + ev.p.cmd_done.result = cmd->result; + + dprintk("%p %d %llu %u %x\n", cmd, shost->host_no, + (unsigned long long) ev.p.cmd_req.tag, + ev.p.cmd_req.data_len, cmd->tag); + + err = tgt_uspace_send_event(TGT_KEVENT_CMD_DONE, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +int scsi_tgt_uspace_send_tsk_mgmt(int host_no, int function, u64 tag, + struct scsi_lun *scsilun, void *data) +{ + struct tgt_event ev; + int err; + + memset(&ev, 0, sizeof(ev)); + ev.p.tsk_mgmt_req.host_no = host_no; + ev.p.tsk_mgmt_req.function = function; + ev.p.tsk_mgmt_req.tag = tag; + memcpy(ev.p.tsk_mgmt_req.lun, scsilun, sizeof(ev.p.tsk_mgmt_req.lun)); + ev.p.tsk_mgmt_req.mid = (u64) (unsigned long) data; + + dprintk("%d %x %llx %llx\n", host_no, function, (unsigned long long) tag, + (unsigned long long) ev.p.tsk_mgmt_req.mid); + + err = tgt_uspace_send_event(TGT_KEVENT_TSK_MGMT_REQ, &ev); + if (err) + eprintk("tx buf is full, could not send\n"); + + return err; +} + +static int event_recv_msg(struct tgt_event *ev) +{ + int err = 0; + + switch (ev->hdr.type) { + case TGT_UEVENT_CMD_RSP: + err = scsi_tgt_kspace_exec(ev->p.cmd_rsp.host_no, + ev->p.cmd_rsp.tag, + ev->p.cmd_rsp.result, + ev->p.cmd_rsp.len, + ev->p.cmd_rsp.uaddr, + ev->p.cmd_rsp.rw); + break; + case TGT_UEVENT_TSK_MGMT_RSP: + err = scsi_tgt_kspace_tsk_mgmt(ev->p.tsk_mgmt_rsp.host_no, + ev->p.tsk_mgmt_rsp.mid, + ev->p.tsk_mgmt_rsp.result); + break; + default: + eprintk("unknown type %d\n", ev->hdr.type); + err = -EINVAL; + } + + return err; +} + +static ssize_t tgt_write(struct file *file, const char __user * buffer, + size_t count, loff_t * ppos) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &rx_ring; + + while (1) { + ev = tgt_head_event(ring, ring->tr_idx); + /* do we need this? */ + flush_dcache_page(virt_to_page(ev)); + + if (!ev->hdr.status) + break; + + tgt_ring_idx_inc(ring); + event_recv_msg(ev); + ev->hdr.status = 0; + }; + + return count; +} + +static unsigned int tgt_poll(struct file * file, struct poll_table_struct *wait) +{ + struct tgt_event *ev; + struct tgt_ring *ring = &tx_ring; + unsigned long flags; + unsigned int mask = 0; + u32 idx; + + poll_wait(file, &tgt_poll_wait, wait); + + spin_lock_irqsave(&ring->tr_lock, flags); + + idx = ring->tr_idx ? ring->tr_idx - 1 : TGT_MAX_EVENTS - 1; + ev = tgt_head_event(ring, idx); + if (ev->hdr.status) + mask |= POLLIN | POLLRDNORM; + + spin_unlock_irqrestore(&ring->tr_lock, flags); + + return mask; +} + +static int uspace_ring_map(struct vm_area_struct *vma, unsigned long addr, + struct tgt_ring *ring) +{ + int i, err; + + for (i = 0; i < TGT_RING_PAGES; i++) { + struct page *page = virt_to_page(ring->tr_pages[i]); + err = vm_insert_page(vma, addr, page); + if (err) + return err; + addr += PAGE_SIZE; + } + + return 0; +} + +static int tgt_mmap(struct file *filp, struct vm_area_struct *vma) +{ + unsigned long addr; + int err; + + if (vma->vm_pgoff) + return -EINVAL; + + if (vma->vm_end - vma->vm_start != TGT_RING_SIZE * 2) { + eprintk("mmap size must be %lu, not %lu \n", + TGT_RING_SIZE * 2, vma->vm_end - vma->vm_start); + return -EINVAL; + } + + addr = vma->vm_start; + err = uspace_ring_map(vma, addr, &tx_ring); + if (err) + return err; + err = uspace_ring_map(vma, addr + TGT_RING_SIZE, &rx_ring); + + return err; +} + +static int tgt_open(struct inode *inode, struct file *file) +{ + tx_ring.tr_idx = rx_ring.tr_idx = 0; + + return 0; +} + +static struct file_operations tgt_fops = { + .owner = THIS_MODULE, + .open = tgt_open, + .poll = tgt_poll, + .write = tgt_write, + .mmap = tgt_mmap, +}; + +static struct miscdevice tgt_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "tgt", + .fops = &tgt_fops, +}; + +static void tgt_ring_exit(struct tgt_ring *ring) +{ + int i; + + for (i = 0; i < TGT_RING_PAGES; i++) + free_page(ring->tr_pages[i]); +} + +static int tgt_ring_init(struct tgt_ring *ring) +{ + int i; + + spin_lock_init(&ring->tr_lock); + + for (i = 0; i < TGT_RING_PAGES; i++) { + ring->tr_pages[i] = get_zeroed_page(GFP_KERNEL); + if (!ring->tr_pages[i]) { + eprintk("out of memory\n"); + return -ENOMEM; + } + } + + return 0; +} + +void scsi_tgt_if_exit(void) +{ + tgt_ring_exit(&tx_ring); + tgt_ring_exit(&rx_ring); + misc_deregister(&tgt_miscdev); +} + +int scsi_tgt_if_init(void) +{ + int err; + + err = tgt_ring_init(&tx_ring); + if (err) + return err; + + err = tgt_ring_init(&rx_ring); + if (err) + goto free_tx_ring; + + err = misc_register(&tgt_miscdev); + if (err) + goto free_rx_ring; + + return 0; +free_rx_ring: + tgt_ring_exit(&rx_ring); +free_tx_ring: + tgt_ring_exit(&tx_ring); + + return err; +} -- cgit v1.2.3 From 0d2db302f95747908123e56fa8659c7eb2eb7498 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 16 Nov 2006 19:24:18 +0900 Subject: [SCSI] scsi-ml: Makefile and Kconfig changes for tgt Makefile and Kconfig for tgt. Signed-off-by: Mike Christie Signed-off-by: FUJITA Tomonori Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 7 +++++++ drivers/scsi/Makefile | 3 +++ 2 files changed, 10 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8442be1bb16..1301d5222c0 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -29,6 +29,13 @@ config SCSI However, do not compile this as a module if your root file system (the one containing the directory /) is located on a SCSI device. +config SCSI_TGT + tristate "SCSI target support" + depends on SCSI && EXPERIMENTAL + ---help--- + If you want to use SCSI target mode drivers enable this option. + If you choose M, the module will be called scsi_tgt. + config SCSI_NETLINK bool default n diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index a0a77fde370..8f86c1b96ff 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -21,6 +21,7 @@ CFLAGS_seagate.o = -DARBITRATE -DPARITY -DSEAGATE_USE_ASM subdir-$(CONFIG_PCMCIA) += pcmcia obj-$(CONFIG_SCSI) += scsi_mod.o +obj-$(CONFIG_SCSI_TGT) += scsi_tgt.o obj-$(CONFIG_RAID_ATTRS) += raid_class.o @@ -151,6 +152,8 @@ scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o +scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o + sd_mod-objs := sd.o sr_mod-objs := sr.o sr_ioctl.o sr_vendor.o ncr53c8xx-flags-$(CONFIG_SCSI_ZALON) \ -- cgit v1.2.3 From a68077defb3337342981a0d3a4df3380496a8a87 Mon Sep 17 00:00:00 2001 From: Ulrich Kunitz Date: Wed, 22 Nov 2006 00:06:06 +0000 Subject: [PATCH] zd1211rw: Fix of a locking bug This patch fixes the bug as reported in the kernel bug tracker under the id 7244. The bug was simply that the interrupt lock has been locked outside an interrupt without blocking the interrupt. Signed-off-by: Ulrich Kunitz Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 3faaeb2b7c8..a15b0954924 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -366,15 +366,6 @@ error: return r; } -static void disable_read_regs_int(struct zd_usb *usb) -{ - struct zd_usb_interrupt *intr = &usb->intr; - - spin_lock(&intr->lock); - intr->read_regs_enabled = 0; - spin_unlock(&intr->lock); -} - #define urb_dev(urb) (&(urb)->dev->dev) static inline void handle_regs_int(struct urb *urb) @@ -1156,10 +1147,19 @@ static void prepare_read_regs_int(struct zd_usb *usb) { struct zd_usb_interrupt *intr = &usb->intr; - spin_lock(&intr->lock); + spin_lock_irq(&intr->lock); intr->read_regs_enabled = 1; INIT_COMPLETION(intr->read_regs.completion); - spin_unlock(&intr->lock); + spin_unlock_irq(&intr->lock); +} + +static void disable_read_regs_int(struct zd_usb *usb) +{ + struct zd_usb_interrupt *intr = &usb->intr; + + spin_lock_irq(&intr->lock); + intr->read_regs_enabled = 0; + spin_unlock_irq(&intr->lock); } static int get_results(struct zd_usb *usb, u16 *values, @@ -1171,7 +1171,7 @@ static int get_results(struct zd_usb *usb, u16 *values, struct read_regs_int *rr = &intr->read_regs; struct usb_int_regs *regs = (struct usb_int_regs *)rr->buffer; - spin_lock(&intr->lock); + spin_lock_irq(&intr->lock); r = -EIO; /* The created block size seems to be larger than expected. @@ -1204,7 +1204,7 @@ static int get_results(struct zd_usb *usb, u16 *values, r = 0; error_unlock: - spin_unlock(&intr->lock); + spin_unlock_irq(&intr->lock); return r; } -- cgit v1.2.3 From a88556a4b24baff99f5d2a2a05202c4aca44ea05 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Tue, 28 Nov 2006 14:16:37 -0500 Subject: Revert "[PATCH] zd1211rw: Removed unneeded packed attributes" This reverts commit 4e1bbd846d00a245dcf78b6b331d8a9afed8e6d7. Quoth Daniel Drake : "A user reported that commit 4e1bbd846d00a245dcf78b6b331d8a9afed8e6d7 (Remove unneeded packed attributes) breaks the zd1211rw driver on ARM." Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_ieee80211.h | 2 +- drivers/net/wireless/zd1211rw/zd_mac.c | 2 +- drivers/net/wireless/zd1211rw/zd_mac.h | 4 ++-- drivers/net/wireless/zd1211rw/zd_usb.h | 14 +++++++------- 4 files changed, 11 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.h b/drivers/net/wireless/zd1211rw/zd_ieee80211.h index f63245b0d96..36329890dfe 100644 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.h +++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.h @@ -64,7 +64,7 @@ struct cck_plcp_header { u8 service; __le16 length; __le16 crc16; -}; +} __attribute__((packed)); static inline u8 zd_cck_plcp_header_rate(const struct cck_plcp_header *header) { diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index a7d29bddb29..e5fedf968c1 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -721,7 +721,7 @@ struct zd_rt_hdr { u8 rt_rate; u16 rt_channel; u16 rt_chbitmask; -}; +} __attribute__((packed)); static void fill_rt_header(void *buffer, struct zd_mac *mac, const struct ieee80211_rx_stats *stats, diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index b8ea3de7924..e4dd40a6fec 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -82,7 +82,7 @@ struct zd_ctrlset { struct rx_length_info { __le16 length[3]; __le16 tag; -}; +} __attribute__((packed)); #define RX_LENGTH_INFO_TAG 0x697e @@ -93,7 +93,7 @@ struct rx_status { u8 signal_quality_ofdm; u8 decryption_type; u8 frame_status; -}; +} __attribute__((packed)); /* rx_status field decryption_type */ #define ZD_RX_NO_WEP 0 diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h index e81a2d3cfff..317d37c3667 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.h +++ b/drivers/net/wireless/zd1211rw/zd_usb.h @@ -74,17 +74,17 @@ enum control_requests { struct usb_req_read_regs { __le16 id; __le16 addr[0]; -}; +} __attribute__((packed)); struct reg_data { __le16 addr; __le16 value; -}; +} __attribute__((packed)); struct usb_req_write_regs { __le16 id; struct reg_data reg_writes[0]; -}; +} __attribute__((packed)); enum { RF_IF_LE = 0x02, @@ -101,7 +101,7 @@ struct usb_req_rfwrite { /* RF2595: 24 */ __le16 bit_values[0]; /* (CR203 & ~(RF_IF_LE | RF_CLK | RF_DATA)) | (bit ? RF_DATA : 0) */ -}; +} __attribute__((packed)); /* USB interrupt */ @@ -118,12 +118,12 @@ enum usb_int_flags { struct usb_int_header { u8 type; /* must always be 1 */ u8 id; -}; +} __attribute__((packed)); struct usb_int_regs { struct usb_int_header hdr; struct reg_data regs[0]; -}; +} __attribute__((packed)); struct usb_int_retry_fail { struct usb_int_header hdr; @@ -131,7 +131,7 @@ struct usb_int_retry_fail { u8 _dummy; u8 addr[ETH_ALEN]; u8 ibss_wakeup_dest; -}; +} __attribute__((packed)); struct read_regs_int { struct completion completion; -- cgit v1.2.3 From 41669553353554211310cdb23079d58af1fda41e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 29 Nov 2006 11:33:14 +0900 Subject: [PATCH] ahci: ignore PORT_IRQ_IF_ERR on JMB controllers JMicron AHCI controllers set PORT_IRQ_IF_ERR on device errors. The IRQ status bit indicates interface error or protocol mismatch and ahci driver interprets it into AC_ERR_ATA_BUS. So, whenever an ATAPI device raises check condition, ahci interprets it as ATA bus error and thus resets it which, in turn, raises check condition thus creating a reset loop and rendering the device unuseable. This patch makes JMB controllers ignore PORT_IRQ_IF_ERR when interpreting error condition. Signed-off-by: Tejun Heo Cc: Justin Tsai --- drivers/ata/ahci.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index f510e1196dc..bddb14e91d3 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -78,6 +78,7 @@ enum { board_ahci = 0, board_ahci_vt8251 = 1, + board_ahci_ign_iferr = 2, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -168,6 +169,7 @@ enum { /* ap->flags bits */ AHCI_FLAG_RESET_NEEDS_CLO = (1 << 24), AHCI_FLAG_NO_NCQ = (1 << 25), + AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 26), /* ignore IRQ_IF_ERR */ }; struct ahci_cmd_hdr { @@ -295,6 +297,17 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = 0x7f, /* udma0-6 ; FIXME */ .port_ops = &ahci_ops, }, + /* board_ahci_ign_iferr */ + { + .sht = &ahci_sht, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | + ATA_FLAG_SKIP_D2H_BSY | + AHCI_FLAG_IGN_IRQ_IF_ERR, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = 0x7f, /* udma0-6 ; FIXME */ + .port_ops = &ahci_ops, + }, }; static const struct pci_device_id ahci_pci_tbl[] = { @@ -327,11 +340,11 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */ /* JMicron */ - { PCI_VDEVICE(JMICRON, 0x2360), board_ahci }, /* JMicron JMB360 */ - { PCI_VDEVICE(JMICRON, 0x2361), board_ahci }, /* JMicron JMB361 */ - { PCI_VDEVICE(JMICRON, 0x2363), board_ahci }, /* JMicron JMB363 */ - { PCI_VDEVICE(JMICRON, 0x2365), board_ahci }, /* JMicron JMB365 */ - { PCI_VDEVICE(JMICRON, 0x2366), board_ahci }, /* JMicron JMB366 */ + { PCI_VDEVICE(JMICRON, 0x2360), board_ahci_ign_iferr }, /* JMB360 */ + { PCI_VDEVICE(JMICRON, 0x2361), board_ahci_ign_iferr }, /* JMB361 */ + { PCI_VDEVICE(JMICRON, 0x2363), board_ahci_ign_iferr }, /* JMB363 */ + { PCI_VDEVICE(JMICRON, 0x2365), board_ahci_ign_iferr }, /* JMB365 */ + { PCI_VDEVICE(JMICRON, 0x2366), board_ahci_ign_iferr }, /* JMB366 */ /* ATI */ { PCI_VDEVICE(ATI, 0x4380), board_ahci }, /* ATI SB600 non-raid */ @@ -980,6 +993,10 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat) /* analyze @irq_stat */ ata_ehi_push_desc(ehi, "irq_stat 0x%08x", irq_stat); + /* some controllers set IRQ_IF_ERR on device errors, ignore it */ + if (ap->flags & AHCI_FLAG_IGN_IRQ_IF_ERR) + irq_stat &= ~PORT_IRQ_IF_ERR; + if (irq_stat & PORT_IRQ_TF_ERR) err_mask |= AC_ERR_DEV; -- cgit v1.2.3 From afdfe899e6420eac6c5eb3bc8c89456dff38d40e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 29 Nov 2006 11:26:47 +0900 Subject: [PATCH] libata: add missing sht->slave_destroy Many LLDs are missing sht->slave_destroy. The method is mandatory to support device warm unplugging (echo 1 > /sys/.../delete). Without it, libata might access released scsi device. Signed-off-by: Tejun Heo --- drivers/ata/ata_generic.c | 1 + drivers/ata/pata_ali.c | 1 + drivers/ata/pata_amd.c | 1 + drivers/ata/pata_artop.c | 1 + drivers/ata/pata_atiixp.c | 1 + drivers/ata/pata_cmd64x.c | 1 + drivers/ata/pata_cs5520.c | 1 + drivers/ata/pata_cs5530.c | 1 + drivers/ata/pata_cs5535.c | 1 + drivers/ata/pata_cypress.c | 1 + drivers/ata/pata_efar.c | 1 + drivers/ata/pata_hpt366.c | 1 + drivers/ata/pata_hpt37x.c | 1 + drivers/ata/pata_hpt3x2n.c | 1 + drivers/ata/pata_hpt3x3.c | 1 + drivers/ata/pata_isapnp.c | 1 + drivers/ata/pata_it821x.c | 1 + drivers/ata/pata_jmicron.c | 1 + drivers/ata/pata_legacy.c | 1 + drivers/ata/pata_mpiix.c | 1 + drivers/ata/pata_netcell.c | 1 + drivers/ata/pata_ns87410.c | 1 + drivers/ata/pata_oldpiix.c | 1 + drivers/ata/pata_opti.c | 1 + drivers/ata/pata_optidma.c | 1 + drivers/ata/pata_pcmcia.c | 1 + drivers/ata/pata_pdc2027x.c | 1 + drivers/ata/pata_pdc202xx_old.c | 1 + drivers/ata/pata_qdi.c | 1 + drivers/ata/pata_radisys.c | 1 + drivers/ata/pata_rz1000.c | 1 + drivers/ata/pata_sc1200.c | 1 + drivers/ata/pata_serverworks.c | 1 + drivers/ata/pata_sil680.c | 1 + drivers/ata/pata_sis.c | 1 + drivers/ata/pata_sl82c105.c | 1 + drivers/ata/pata_triflex.c | 1 + drivers/ata/pata_via.c | 1 + 38 files changed, 38 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 377425e7139..4a80ff9312b 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -116,6 +116,7 @@ static struct scsi_host_template generic_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 1d695df5860..64eed99f681 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -346,6 +346,7 @@ static struct scsi_host_template ali_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 5c47a9e0e0c..8be46a63af7 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -333,6 +333,7 @@ static struct scsi_host_template amd_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 96a098020a8..2cd30761ca1 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -314,6 +314,7 @@ static struct scsi_host_template artop_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 1ce28d2125f..4e1d3b59adb 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -216,6 +216,7 @@ static struct scsi_host_template atiixp_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index b9bbd1d454b..29a60df465d 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -275,6 +275,7 @@ static struct scsi_host_template cmd64x_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 2cd3c0ff76d..33d2b88f9c7 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -166,6 +166,7 @@ static struct scsi_host_template cs5520_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index a07cc81ef79..981f4922346 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -180,6 +180,7 @@ static struct scsi_host_template cs5530_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index f8def3f9c61..8dafa4a49fd 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -184,6 +184,7 @@ static struct scsi_host_template cs5535_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 247b43608b1..5a0b811907e 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -135,6 +135,7 @@ static struct scsi_host_template cy82c693_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index ef18c60fe14..755f79279de 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -233,6 +233,7 @@ static struct scsi_host_template efar_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 6d3e4c0f15f..c0e150a9586 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -329,6 +329,7 @@ static struct scsi_host_template hpt36x_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index fce3fcdc7e7..1eeb16f0fb0 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -775,6 +775,7 @@ static struct scsi_host_template hpt37x_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 58cfb2bc809..47d7664e9ee 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -341,6 +341,7 @@ static struct scsi_host_template hpt3x2n_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index 3334d72e251..d216cc564b5 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -118,6 +118,7 @@ static struct scsi_host_template hpt3x3_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c index 640b8b0954f..40ca2b82b7f 100644 --- a/drivers/ata/pata_isapnp.c +++ b/drivers/ata/pata_isapnp.c @@ -34,6 +34,7 @@ static struct scsi_host_template isapnp_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 18ff3e59a89..7f68f14be6f 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -675,6 +675,7 @@ static struct scsi_host_template it821x_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 52a2bdf3c38..0210b10d49c 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -136,6 +136,7 @@ static struct scsi_host_template jmicron_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 10231ef731d..b39078b2a47 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -135,6 +135,7 @@ static struct scsi_host_template legacy_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index 9dfe3e9abea..e00d406bfdf 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -166,6 +166,7 @@ static struct scsi_host_template mpiix_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index f5672de99c2..1963a4d3587 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -62,6 +62,7 @@ static struct scsi_host_template netcell_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c index 2a3dbeed89b..7ec800f00ec 100644 --- a/drivers/ata/pata_ns87410.c +++ b/drivers/ata/pata_ns87410.c @@ -156,6 +156,7 @@ static struct scsi_host_template ns87410_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index fc947dfecd7..8837256632e 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -231,6 +231,7 @@ static struct scsi_host_template oldpiix_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c index a7320ba1557..c6319cf50de 100644 --- a/drivers/ata/pata_opti.c +++ b/drivers/ata/pata_opti.c @@ -202,6 +202,7 @@ static struct scsi_host_template opti_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index c6906b4215d..2f4770cce04 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -359,6 +359,7 @@ static struct scsi_host_template optidma_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index e93ea2702c7..999922de476 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -69,6 +69,7 @@ static struct scsi_host_template pcmcia_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index d894d9918b1..beb6d10a234 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -141,6 +141,7 @@ static struct scsi_host_template pdc2027x_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index 5ba9eb20a6c..6baf51b2fda 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -269,6 +269,7 @@ static struct scsi_host_template pdc_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index 2c3cc0ccc60..314938dea1f 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -164,6 +164,7 @@ static struct scsi_host_template qdi_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index 1af83d7694d..048c2bb21ef 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -227,6 +227,7 @@ static struct scsi_host_template radisys_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c index 4533b6357d9..e4e5ea423fe 100644 --- a/drivers/ata/pata_rz1000.c +++ b/drivers/ata/pata_rz1000.c @@ -90,6 +90,7 @@ static struct scsi_host_template rz1000_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index 067d9d223e3..0c75dae7476 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -193,6 +193,7 @@ static struct scsi_host_template sc1200_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 5bbf76ec14a..be7f60efcb6 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -325,6 +325,7 @@ static struct scsi_host_template serverworks_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 4a2b72b4be8..11942fd03b5 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -225,6 +225,7 @@ static struct scsi_host_template sil680_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index b9ffafb4198..91e85f90941 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -545,6 +545,7 @@ static struct scsi_host_template sis_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 08a6dc88676..dc1cfc6d805 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -237,6 +237,7 @@ static struct scsi_host_template sl82c105_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index 9640f80e8b0..bfda1f7e760 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -192,6 +192,7 @@ static struct scsi_host_template triflex_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 1e7be9eee9c..c5f1616d224 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -295,6 +295,7 @@ static struct scsi_host_template via_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; -- cgit v1.2.3 From e82153b54d75af31d5d4a84efe441e5719f34cfc Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Mon, 16 Oct 2006 10:09:01 +0530 Subject: RDMA/cma: Optimize cma_bind_loopback() to check for empty list Optimize to test for an empty list first. This ends up simplifying the code too. Signed-off-by: Krishna Kumar Acked-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/cma.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 845090b0859..4975d8154a7 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1481,19 +1481,18 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv) u8 p; mutex_lock(&lock); + if (list_empty(&dev_list)) { + ret = -ENODEV; + goto out; + } list_for_each_entry(cma_dev, &dev_list, list) for (p = 1; p <= cma_dev->device->phys_port_cnt; ++p) - if (!ib_query_port (cma_dev->device, p, &port_attr) && + if (!ib_query_port(cma_dev->device, p, &port_attr) && port_attr.state == IB_PORT_ACTIVE) goto port_found; - if (!list_empty(&dev_list)) { - p = 1; - cma_dev = list_entry(dev_list.next, struct cma_device, list); - } else { - ret = -ENODEV; - goto out; - } + p = 1; + cma_dev = list_entry(dev_list.next, struct cma_device, list); port_found: ret = ib_get_cached_gid(cma_dev->device, p, 0, &gid); -- cgit v1.2.3 From e4022274cf8df1f78f9e20ba7e199a9edf655422 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Mon, 16 Oct 2006 10:09:08 +0530 Subject: RDMA/cma: Remove redundant check in cma_add_one Remove redundant check of node_guid in cma_add_one(). Signed-off-by: Krishna Kumar Acked-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/cma.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 4975d8154a7..9aba4ea9493 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2122,8 +2122,6 @@ static void cma_add_one(struct ib_device *device) cma_dev->device = device; cma_dev->node_guid = device->node_guid; - if (!cma_dev->node_guid) - goto err; init_completion(&cma_dev->comp); atomic_set(&cma_dev->refcount, 1); @@ -2135,9 +2133,6 @@ static void cma_add_one(struct ib_device *device) list_for_each_entry(id_priv, &listen_any_list, list) cma_listen_on_dev(id_priv, cma_dev); mutex_unlock(&lock); - return; -err: - kfree(cma_dev); } static int cma_remove_id_dev(struct rdma_id_private *id_priv) -- cgit v1.2.3 From f115db4803effd8207c3169590fb3f13336a4093 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Tue, 17 Oct 2006 10:09:09 +0530 Subject: RDMA/addr: Use time_after_eq() instead of time_after() in queue_req() In queue_req(), use time_after_eq() instead of time_after() for following reasons : - Improves insert time if multiple entries with same time are present. - set_timeout need not be called if entry with same time is added to the list (and that happens to be the entry with the smallest time), saving atomic/locking operations. - Earlier entries with same time are deleted first (fifo). Signed-off-by: Krishna Kumar Acked-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/addr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index e11187ecc93..a68d7c7df4c 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -139,7 +139,7 @@ static void queue_req(struct addr_req *req) mutex_lock(&lock); list_for_each_entry_reverse(temp_req, &req_list, list) { - if (time_after(req->timeout, temp_req->timeout)) + if (time_after_eq(req->timeout, temp_req->timeout)) break; } -- cgit v1.2.3 From a1a733f65b091fdad3d0783e648c92b491933ab6 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Tue, 17 Oct 2006 10:09:11 +0530 Subject: RDMA/cma: Rewrite cma_req_handler() to encapsulate common code Rewrite cma_req_handler error handling case to encapsulate common code. Signed-off-by: Krishna Kumar Acked-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/cma.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 9aba4ea9493..b449e26b84d 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -935,13 +935,8 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) mutex_lock(&lock); ret = cma_acquire_dev(conn_id); mutex_unlock(&lock); - if (ret) { - ret = -ENODEV; - cma_exch(conn_id, CMA_DESTROYING); - cma_release_remove(conn_id); - rdma_destroy_id(&conn_id->id); - goto out; - } + if (ret) + goto release_conn_id; conn_id->cm_id.ib = cm_id; cm_id->context = conn_id; @@ -951,13 +946,17 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) ret = cma_notify_user(conn_id, RDMA_CM_EVENT_CONNECT_REQUEST, 0, ib_event->private_data + offset, IB_CM_REQ_PRIVATE_DATA_SIZE - offset); - if (ret) { - /* Destroy the CM ID by returning a non-zero value. */ - conn_id->cm_id.ib = NULL; - cma_exch(conn_id, CMA_DESTROYING); - cma_release_remove(conn_id); - rdma_destroy_id(&conn_id->id); - } + if (!ret) + goto out; + + /* Destroy the CM ID by returning a non-zero value. */ + conn_id->cm_id.ib = NULL; + +release_conn_id: + cma_exch(conn_id, CMA_DESTROYING); + cma_release_remove(conn_id); + rdma_destroy_id(&conn_id->id); + out: cma_release_remove(listen_id); return ret; -- cgit v1.2.3 From bed8bdfddd851657cf9e5fd16bb44abb02ae7f42 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Mon, 23 Oct 2006 22:17:21 +0200 Subject: IB: kmemdup() cleanup Replace open coded kmemdup() to save some screen space, and allow inlining/not inlining to be triggered by gcc. Signed-off-by: Eric Sesterhenn Signed-off-by: Roland Dreier --- drivers/infiniband/core/cm.c | 3 +-- drivers/infiniband/core/iwcm.c | 3 +-- drivers/infiniband/core/ucm.c | 6 ++---- drivers/infiniband/hw/mthca/mthca_provider.c | 3 +-- 4 files changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 25b1018a476..82bc83bacea 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -240,11 +240,10 @@ static void * cm_copy_private_data(const void *private_data, if (!private_data || !private_data_len) return NULL; - data = kmalloc(private_data_len, GFP_KERNEL); + data = kmemdup(private_data, private_data_len, GFP_KERNEL); if (!data) return ERR_PTR(-ENOMEM); - memcpy(data, private_data, private_data_len); return data; } diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index c3fb304a4e8..2bbcfa5c6e2 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -140,10 +140,9 @@ static int copy_private_data(struct iwcm_id_private *cm_id_priv, { void *p; - p = kmalloc(event->private_data_len, GFP_ATOMIC); + p = kmemdup(event->private_data, event->private_data_len, GFP_ATOMIC); if (!p) return -ENOMEM; - memcpy(p, event->private_data, event->private_data_len); event->private_data = p; return 0; } diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index ad4f4d5c292..b4894ba223b 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -328,20 +328,18 @@ static int ib_ucm_event_process(struct ib_cm_event *evt, } if (uvt->data_len) { - uvt->data = kmalloc(uvt->data_len, GFP_KERNEL); + uvt->data = kmemdup(evt->private_data, uvt->data_len, GFP_KERNEL); if (!uvt->data) goto err1; - memcpy(uvt->data, evt->private_data, uvt->data_len); uvt->resp.present |= IB_UCM_PRES_DATA; } if (uvt->info_len) { - uvt->info = kmalloc(uvt->info_len, GFP_KERNEL); + uvt->info = kmemdup(info, uvt->info_len, GFP_KERNEL); if (!uvt->info) goto err2; - memcpy(uvt->info, info, uvt->info_len); uvt->resp.present |= IB_UCM_PRES_INFO; } return 0; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index fc67f780581..21422a3336a 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -1100,11 +1100,10 @@ static struct ib_fmr *mthca_alloc_fmr(struct ib_pd *pd, int mr_access_flags, struct mthca_fmr *fmr; int err; - fmr = kmalloc(sizeof *fmr, GFP_KERNEL); + fmr = kmemdup(fmr_attr, sizeof *fmr, GFP_KERNEL); if (!fmr) return ERR_PTR(-ENOMEM); - memcpy(&fmr->attr, fmr_attr, sizeof *fmr_attr); err = mthca_fmr_alloc(to_mdev(pd->device), to_mpd(pd)->pd_num, convert_access(mr_access_flags), fmr); -- cgit v1.2.3 From e31353eaeca736981ec13b46089d30147342b28b Mon Sep 17 00:00:00 2001 From: Dotan Barak Date: Tue, 24 Oct 2006 13:35:27 -0700 Subject: RDMA/cm: Remove setting local write as part of QP access flags The qp_access_flags are for remote access permissions only, so IB_ACCESS_LOCAL_WRITE is an invalid value. Remove it from the values set by cm_init_qp_init_attr() and cma_init_ib_qp(). Signed-off-by: Dotan Barak Signed-off-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/cm.c | 3 +-- drivers/infiniband/core/cma.c | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 82bc83bacea..78d9c0c3314 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3172,8 +3172,7 @@ static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, case IB_CM_ESTABLISHED: *qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; - qp_attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE; + qp_attr->qp_access_flags = IB_ACCESS_REMOTE_WRITE; if (cm_id_priv->responder_resources) qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_ATOMIC; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index b449e26b84d..cf48f269743 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -344,7 +344,7 @@ static int cma_init_ib_qp(struct rdma_id_private *id_priv, struct ib_qp *qp) return ret; qp_attr.qp_state = IB_QPS_INIT; - qp_attr.qp_access_flags = IB_ACCESS_LOCAL_WRITE; + qp_attr.qp_access_flags = 0; qp_attr.port_num = id_priv->id.port_num; return ib_modify_qp(qp, &qp_attr, IB_QP_STATE | IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT); -- cgit v1.2.3 From 3c8edf0eca2e47340c960b2f27c659c097118ffe Mon Sep 17 00:00:00 2001 From: Arne Redlich Date: Wed, 15 Nov 2006 12:43:00 +0100 Subject: IB/srp: Increase supported CDB size Set the Scsi_Host's max_cmd_len from 12 (default) to 16 for SRP. Otherwise scsi_dispatch_cmd() won't pass down certain commands such as READ CAPACITY 16, required for supporting disks > 2TB. Signed-off-by: Arne Redlich Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/srp/ib_srp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 4b09147f438..613be2ef9c5 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1716,7 +1716,8 @@ static ssize_t srp_create_target(struct class_device *class_dev, if (!target_host) return -ENOMEM; - target_host->max_lun = SRP_MAX_LUN; + target_host->max_lun = SRP_MAX_LUN; + target_host->max_cmd_len = sizeof ((struct srp_cmd *) (void *) 0L)->cdb; target = host_to_target(target_host); -- cgit v1.2.3 From f4f3d0f0ece2527184b6c91afa1196a27a5bfaf5 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 29 Nov 2006 15:33:06 -0800 Subject: IB/mthca: Fix section mismatches Commit b3b30f5e ("IB/mthca: Recover from catastrophic errors") introduced some section mismatch breakage, because the error recovery code tears down and reinitializes the device, which calls into lots of code originally marked __devinit and __devexit from regular .text. Fix this by getting rid of these now-incorrect section markers. Reported by Randy Dunlap . Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_av.c | 3 +-- drivers/infiniband/hw/mthca/mthca_cq.c | 3 +-- drivers/infiniband/hw/mthca/mthca_eq.c | 21 ++++++++++----------- drivers/infiniband/hw/mthca/mthca_mad.c | 2 +- drivers/infiniband/hw/mthca/mthca_main.c | 29 ++++++++++++++--------------- drivers/infiniband/hw/mthca/mthca_mcg.c | 3 +-- drivers/infiniband/hw/mthca/mthca_mr.c | 5 ++--- drivers/infiniband/hw/mthca/mthca_pd.c | 3 +-- drivers/infiniband/hw/mthca/mthca_qp.c | 3 +-- drivers/infiniband/hw/mthca/mthca_srq.c | 2 +- 10 files changed, 33 insertions(+), 41 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c index 69599455aca..57cdc1bc5f5 100644 --- a/drivers/infiniband/hw/mthca/mthca_av.c +++ b/drivers/infiniband/hw/mthca/mthca_av.c @@ -33,7 +33,6 @@ * $Id: mthca_av.c 1349 2004-12-16 21:09:43Z roland $ */ -#include #include #include @@ -323,7 +322,7 @@ int mthca_ah_query(struct ib_ah *ibah, struct ib_ah_attr *attr) return 0; } -int __devinit mthca_init_av_table(struct mthca_dev *dev) +int mthca_init_av_table(struct mthca_dev *dev) { int err; diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 149b3690123..283d50b76c3 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -36,7 +36,6 @@ * $Id: mthca_cq.c 1369 2004-12-20 16:17:07Z roland $ */ -#include #include #include @@ -970,7 +969,7 @@ void mthca_free_cq(struct mthca_dev *dev, mthca_free_mailbox(dev, mailbox); } -int __devinit mthca_init_cq_table(struct mthca_dev *dev) +int mthca_init_cq_table(struct mthca_dev *dev) { int err; diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index e284e0613a9..8ec9fa1ff9e 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -33,7 +33,6 @@ * $Id: mthca_eq.c 1382 2004-12-24 02:21:02Z roland $ */ -#include #include #include #include @@ -479,10 +478,10 @@ static irqreturn_t mthca_arbel_msi_x_interrupt(int irq, void *eq_ptr) return IRQ_HANDLED; } -static int __devinit mthca_create_eq(struct mthca_dev *dev, - int nent, - u8 intr, - struct mthca_eq *eq) +static int mthca_create_eq(struct mthca_dev *dev, + int nent, + u8 intr, + struct mthca_eq *eq) { int npages; u64 *dma_list = NULL; @@ -664,9 +663,9 @@ static void mthca_free_irqs(struct mthca_dev *dev) dev->eq_table.eq + i); } -static int __devinit mthca_map_reg(struct mthca_dev *dev, - unsigned long offset, unsigned long size, - void __iomem **map) +static int mthca_map_reg(struct mthca_dev *dev, + unsigned long offset, unsigned long size, + void __iomem **map) { unsigned long base = pci_resource_start(dev->pdev, 0); @@ -691,7 +690,7 @@ static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset, iounmap(map); } -static int __devinit mthca_map_eq_regs(struct mthca_dev *dev) +static int mthca_map_eq_regs(struct mthca_dev *dev) { if (mthca_is_memfree(dev)) { /* @@ -781,7 +780,7 @@ static void mthca_unmap_eq_regs(struct mthca_dev *dev) } } -int __devinit mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt) +int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt) { int ret; u8 status; @@ -825,7 +824,7 @@ void mthca_unmap_eq_icm(struct mthca_dev *dev) __free_page(dev->eq_table.icm_page); } -int __devinit mthca_init_eq_table(struct mthca_dev *dev) +int mthca_init_eq_table(struct mthca_dev *dev) { int err; u8 status; diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 45e106f1480..acfa41d968e 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -317,7 +317,7 @@ err: return ret; } -void __devexit mthca_free_agents(struct mthca_dev *dev) +void mthca_free_agents(struct mthca_dev *dev) { struct ib_mad_agent *agent; int p, q; diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index 47ea0214836..0491ec7a7c0 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -98,7 +98,7 @@ static struct mthca_profile default_profile = { .uarc_size = 1 << 18, /* Arbel only */ }; -static int __devinit mthca_tune_pci(struct mthca_dev *mdev) +static int mthca_tune_pci(struct mthca_dev *mdev) { int cap; u16 val; @@ -143,7 +143,7 @@ static int __devinit mthca_tune_pci(struct mthca_dev *mdev) return 0; } -static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) +static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) { int err; u8 status; @@ -255,7 +255,7 @@ static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim return 0; } -static int __devinit mthca_init_tavor(struct mthca_dev *mdev) +static int mthca_init_tavor(struct mthca_dev *mdev) { u8 status; int err; @@ -333,7 +333,7 @@ err_disable: return err; } -static int __devinit mthca_load_fw(struct mthca_dev *mdev) +static int mthca_load_fw(struct mthca_dev *mdev) { u8 status; int err; @@ -379,10 +379,10 @@ err_free: return err; } -static int __devinit mthca_init_icm(struct mthca_dev *mdev, - struct mthca_dev_lim *dev_lim, - struct mthca_init_hca_param *init_hca, - u64 icm_size) +static int mthca_init_icm(struct mthca_dev *mdev, + struct mthca_dev_lim *dev_lim, + struct mthca_init_hca_param *init_hca, + u64 icm_size) { u64 aux_pages; u8 status; @@ -575,7 +575,7 @@ static void mthca_free_icms(struct mthca_dev *mdev) mthca_free_icm(mdev, mdev->fw.arbel.aux_icm); } -static int __devinit mthca_init_arbel(struct mthca_dev *mdev) +static int mthca_init_arbel(struct mthca_dev *mdev) { struct mthca_dev_lim dev_lim; struct mthca_profile profile; @@ -683,7 +683,7 @@ static void mthca_close_hca(struct mthca_dev *mdev) mthca_SYS_DIS(mdev, &status); } -static int __devinit mthca_init_hca(struct mthca_dev *mdev) +static int mthca_init_hca(struct mthca_dev *mdev) { u8 status; int err; @@ -720,7 +720,7 @@ err_close: return err; } -static int __devinit mthca_setup_hca(struct mthca_dev *dev) +static int mthca_setup_hca(struct mthca_dev *dev) { int err; u8 status; @@ -875,8 +875,7 @@ err_uar_table_free: return err; } -static int __devinit mthca_request_regions(struct pci_dev *pdev, - int ddr_hidden) +static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden) { int err; @@ -928,7 +927,7 @@ static void mthca_release_regions(struct pci_dev *pdev, MTHCA_HCR_SIZE); } -static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev) +static int mthca_enable_msi_x(struct mthca_dev *mdev) { struct msix_entry entries[3]; int err; @@ -1213,7 +1212,7 @@ int __mthca_restart_one(struct pci_dev *pdev) } static int __devinit mthca_init_one(struct pci_dev *pdev, - const struct pci_device_id *id) + const struct pci_device_id *id) { static int mthca_version_printed = 0; int ret; diff --git a/drivers/infiniband/hw/mthca/mthca_mcg.c b/drivers/infiniband/hw/mthca/mthca_mcg.c index 47ca8a9b724..a8ad072be07 100644 --- a/drivers/infiniband/hw/mthca/mthca_mcg.c +++ b/drivers/infiniband/hw/mthca/mthca_mcg.c @@ -32,7 +32,6 @@ * $Id: mthca_mcg.c 1349 2004-12-16 21:09:43Z roland $ */ -#include #include #include @@ -371,7 +370,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) return err; } -int __devinit mthca_init_mcg_table(struct mthca_dev *dev) +int mthca_init_mcg_table(struct mthca_dev *dev) { int err; int table_size = dev->limits.num_mgms + dev->limits.num_amgms; diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index a486dec1707..f71ffa88db3 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -34,7 +34,6 @@ */ #include -#include #include #include "mthca_dev.h" @@ -135,7 +134,7 @@ static void mthca_buddy_free(struct mthca_buddy *buddy, u32 seg, int order) spin_unlock(&buddy->lock); } -static int __devinit mthca_buddy_init(struct mthca_buddy *buddy, int max_order) +static int mthca_buddy_init(struct mthca_buddy *buddy, int max_order) { int i, s; @@ -759,7 +758,7 @@ void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr) *(u8 *) fmr->mem.arbel.mpt = MTHCA_MPT_STATUS_SW; } -int __devinit mthca_init_mr_table(struct mthca_dev *dev) +int mthca_init_mr_table(struct mthca_dev *dev) { unsigned long addr; int err, i; diff --git a/drivers/infiniband/hw/mthca/mthca_pd.c b/drivers/infiniband/hw/mthca/mthca_pd.c index 59df51614c8..c1e950764bd 100644 --- a/drivers/infiniband/hw/mthca/mthca_pd.c +++ b/drivers/infiniband/hw/mthca/mthca_pd.c @@ -34,7 +34,6 @@ * $Id: mthca_pd.c 1349 2004-12-16 21:09:43Z roland $ */ -#include #include #include "mthca_dev.h" @@ -69,7 +68,7 @@ void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd) mthca_free(&dev->pd_table.alloc, pd->pd_num); } -int __devinit mthca_init_pd_table(struct mthca_dev *dev) +int mthca_init_pd_table(struct mthca_dev *dev) { return mthca_alloc_init(&dev->pd_table.alloc, dev->limits.num_pds, diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 6a7822e0fc1..33e3ba7937f 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -35,7 +35,6 @@ * $Id: mthca_qp.c 1355 2004-12-17 15:23:43Z roland $ */ -#include #include #include @@ -2241,7 +2240,7 @@ void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send, *new_wqe = 0; } -int __devinit mthca_init_qp_table(struct mthca_dev *dev) +int mthca_init_qp_table(struct mthca_dev *dev) { int err; u8 status; diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index f5d7677d107..58fcf5a691e 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -715,7 +715,7 @@ int mthca_max_srq_sge(struct mthca_dev *dev) sizeof (struct mthca_data_seg)); } -int __devinit mthca_init_srq_table(struct mthca_dev *dev) +int mthca_init_srq_table(struct mthca_dev *dev) { int err; -- cgit v1.2.3 From 29666128a22ddc78b3e393674ef69462835db43f Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 29 Nov 2006 15:33:07 -0800 Subject: RDMA/amso1100: Fix section mismatches The amso1100 driver was missing a couple of __devinit/__devexit annotations for init/cleanup functions that are called from __devinit/__devexit functions. Reported by Randy Dunlap . Signed-off-by: Roland Dreier --- drivers/infiniband/hw/amso1100/c2_rnic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index 623dc95f91d..1687c511cb2 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -441,7 +441,7 @@ static int c2_rnic_close(struct c2_dev *c2dev) * involves initalizing the various limits and resouce pools that * comprise the RNIC instance. */ -int c2_rnic_init(struct c2_dev *c2dev) +int __devinit c2_rnic_init(struct c2_dev *c2dev) { int err; u32 qsize, msgsize; @@ -611,7 +611,7 @@ int c2_rnic_init(struct c2_dev *c2dev) /* * Called by c2_remove to cleanup the RNIC resources. */ -void c2_rnic_term(struct c2_dev *c2dev) +void __devexit c2_rnic_term(struct c2_dev *c2dev) { /* Close the open adapter instance */ -- cgit v1.2.3 From 53533e16b1d94ff71cb013497938976906d9d504 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 29 Nov 2006 15:33:07 -0800 Subject: IB/ipath: Fix typo in pma_counter_select subscript The array has only 5 entries, so [5] should have been [4]. Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index a5456108dba..acdee33ee1f 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1487,7 +1487,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd) idev->pma_counter_select[1] = IB_PMA_PORT_RCV_DATA; idev->pma_counter_select[2] = IB_PMA_PORT_XMIT_PKTS; idev->pma_counter_select[3] = IB_PMA_PORT_RCV_PKTS; - idev->pma_counter_select[5] = IB_PMA_PORT_XMIT_WAIT; + idev->pma_counter_select[4] = IB_PMA_PORT_XMIT_WAIT; idev->link_width_enabled = 3; /* 1x or 4x */ /* Snapshot current HW counters to "clear" them. */ -- cgit v1.2.3 From e54f81889cd5228e7087637c377d76301c7c5663 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 29 Nov 2006 15:33:07 -0800 Subject: IB: Convert kmem_cache_t -> struct kmem_cache Signed-off-by: Roland Dreier --- drivers/infiniband/core/mad.c | 2 +- drivers/infiniband/hw/amso1100/c2.h | 2 +- drivers/infiniband/ulp/iser/iscsi_iser.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index a72bcea46ff..3f9c16232c4 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -46,7 +46,7 @@ MODULE_DESCRIPTION("kernel IB MAD API"); MODULE_AUTHOR("Hal Rosenstock"); MODULE_AUTHOR("Sean Hefty"); -static kmem_cache_t *ib_mad_cache; +static struct kmem_cache *ib_mad_cache; static struct list_head ib_mad_port_list; static u32 ib_mad_client_id = 0; diff --git a/drivers/infiniband/hw/amso1100/c2.h b/drivers/infiniband/hw/amso1100/c2.h index 1b17dcdd050..04a9db5de88 100644 --- a/drivers/infiniband/hw/amso1100/c2.h +++ b/drivers/infiniband/hw/amso1100/c2.h @@ -302,7 +302,7 @@ struct c2_dev { unsigned long pa; /* PA device memory */ void **qptr_array; - kmem_cache_t *host_msg_cache; + struct kmem_cache *host_msg_cache; struct list_head cca_link; /* adapter list */ struct list_head eh_wakeup_list; /* event wakeup list */ diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 9c53916f28c..234e5b061a7 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -283,7 +283,7 @@ struct iser_global { struct mutex connlist_mutex; struct list_head connlist; /* all iSER IB connections */ - kmem_cache_t *desc_cache; + struct kmem_cache *desc_cache; }; extern struct iser_global ig; -- cgit v1.2.3 From 33ba0fa9f315ce32fbb86fa671c131f5355b52a1 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Thu, 9 Nov 2006 09:30:34 +0530 Subject: RDMA/iwcm: Fix memory corruption bug in cm_work_handler() Possible memory corruption scenario: after putting the work entry back on the work_free_list, we call process_event() which dereferences work->event, which could have been modified to another value meanwhile. Signed-off-by: Krishna Kumar Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/core/iwcm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 2bbcfa5c6e2..22d498c9a68 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -829,7 +829,8 @@ static int process_event(struct iwcm_id_private *cm_id_priv, */ static void cm_work_handler(void *arg) { - struct iwcm_work *work = arg, lwork; + struct iwcm_work *work = arg; + struct iw_cm_event levent; struct iwcm_id_private *cm_id_priv = work->cm_id; unsigned long flags; int empty; @@ -842,11 +843,11 @@ static void cm_work_handler(void *arg) struct iwcm_work, list); list_del_init(&work->list); empty = list_empty(&cm_id_priv->work_list); - lwork = *work; + levent = work->event; put_work(work); spin_unlock_irqrestore(&cm_id_priv->lock, flags); - ret = process_event(cm_id_priv, &work->event); + ret = process_event(cm_id_priv, &levent); if (ret) { set_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags); destroy_cm_id(&cm_id_priv->id); -- cgit v1.2.3 From 83b96586239bf6c719ff640341e1cf83e4a7c046 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Thu, 9 Nov 2006 09:30:41 +0530 Subject: RDMA/iwcm: Fix memory leak If we get IW_CM_EVENT_CONNECT_REQUEST message and encounter an error (not in the LISTEN state, cannot create an id, cannot alloc work_entry, etc), then the memory allocated by cm_event_handler() in the event->private_data gets leaked. Since cm_work_handler has already put the event on the work_free_list, this allocated memory is leaked. High backlog value can allow DoS attacks. Signed-off-by: Krishna Kumar Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/core/iwcm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 22d498c9a68..0cfd7848dd3 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -619,7 +619,7 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv, spin_lock_irqsave(&listen_id_priv->lock, flags); if (listen_id_priv->state != IW_CM_STATE_LISTEN) { spin_unlock_irqrestore(&listen_id_priv->lock, flags); - return; + goto out; } spin_unlock_irqrestore(&listen_id_priv->lock, flags); @@ -628,7 +628,7 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv, listen_id_priv->id.context); /* If the cm_id could not be created, ignore the request */ if (IS_ERR(cm_id)) - return; + goto out; cm_id->provider_data = iw_event->provider_data; cm_id->local_addr = iw_event->local_addr; @@ -641,7 +641,7 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv, if (ret) { iw_cm_reject(cm_id, NULL, 0); iw_destroy_cm_id(cm_id); - return; + goto out; } /* Call the client CM handler */ @@ -653,6 +653,7 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv, kfree(cm_id); } +out: if (iw_event->private_data_len) kfree(iw_event->private_data); } -- cgit v1.2.3 From 13fccdb380f88770f05b922c273d907aecda7c12 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Thu, 9 Nov 2006 09:30:43 +0530 Subject: RDMA/iwcm: Remove unnecessary initializations Signed-off-by: Krishna Kumar Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/core/iwcm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 0cfd7848dd3..b02e54136ac 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -407,7 +407,7 @@ int iw_cm_listen(struct iw_cm_id *cm_id, int backlog) { struct iwcm_id_private *cm_id_priv; unsigned long flags; - int ret = 0; + int ret; cm_id_priv = container_of(cm_id, struct iwcm_id_private, id); @@ -534,7 +534,7 @@ EXPORT_SYMBOL(iw_cm_accept); int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param) { struct iwcm_id_private *cm_id_priv; - int ret = 0; + int ret; unsigned long flags; struct ib_qp *qp; @@ -674,7 +674,7 @@ static int cm_conn_est_handler(struct iwcm_id_private *cm_id_priv, struct iw_cm_event *iw_event) { unsigned long flags; - int ret = 0; + int ret; spin_lock_irqsave(&cm_id_priv->lock, flags); @@ -704,7 +704,7 @@ static int cm_conn_rep_handler(struct iwcm_id_private *cm_id_priv, struct iw_cm_event *iw_event) { unsigned long flags; - int ret = 0; + int ret; spin_lock_irqsave(&cm_id_priv->lock, flags); /* -- cgit v1.2.3 From 715a588f420936ecdb813c4fcd40dff7a16b1638 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Thu, 9 Nov 2006 09:30:45 +0530 Subject: RDMA/iwcm: Remove unnecessary function argument Remove unnecessary cm_id_priv argument to copy_private_data(), and change text to reflect the code. Fix couple of typos in comments. Signed-off-by: Krishna Kumar Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/core/iwcm.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index b02e54136ac..54faa033d89 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -80,7 +80,7 @@ struct iwcm_work { * 1) in the event upcall, cm_event_handler(), for a listening cm_id. If * the backlog is exceeded, then no more connection request events will * be processed. cm_event_handler() returns -ENOMEM in this case. Its up - * to the provider to reject the connectino request. + * to the provider to reject the connection request. * 2) in the connection request workqueue handler, cm_conn_req_handler(). * If work elements cannot be allocated for the new connect request cm_id, * then IWCM will call the provider reject method. This is ok since @@ -131,12 +131,11 @@ static int alloc_work_entries(struct iwcm_id_private *cm_id_priv, int count) } /* - * Save private data from incoming connection requests in the - * cm_id_priv so the low level driver doesn't have to. Adjust + * Save private data from incoming connection requests to + * iw_cm_event, so the low level driver doesn't have to. Adjust * the event ptr to point to the local copy. */ -static int copy_private_data(struct iwcm_id_private *cm_id_priv, - struct iw_cm_event *event) +static int copy_private_data(struct iw_cm_event *event) { void *p; @@ -242,7 +241,7 @@ static int iwcm_modify_qp_sqd(struct ib_qp *qp) /* * CM_ID <-- CLOSING * - * Block if a passive or active connection is currenlty being processed. Then + * Block if a passive or active connection is currently being processed. Then * process the event as follows: * - If we are ESTABLISHED, move to CLOSING and modify the QP state * based on the abrupt flag @@ -907,7 +906,7 @@ static int cm_event_handler(struct iw_cm_id *cm_id, if ((work->event.event == IW_CM_EVENT_CONNECT_REQUEST || work->event.event == IW_CM_EVENT_CONNECT_REPLY) && work->event.private_data_len) { - ret = copy_private_data(cm_id_priv, &work->event); + ret = copy_private_data(&work->event); if (ret) { put_work(work); goto out; -- cgit v1.2.3 From 9ab1ffa8775d9c677b1301cccce8a7d91e5163d0 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Thu, 9 Nov 2006 09:30:48 +0530 Subject: RDMA/iwcm: Fix comment for iwcm_deref_id() to match code In iwcm_deref_id(), the comment says : "If the last reference is being removed and iw_destroy_cm_id is waiting, wake up the waiting thread". The second part of the comment, "and iw_destroy_cm_id is waiting," is wrong, since this function either wakes the waiter already waiting in iwcm_deref_id, or enables it (so that when wait_for_completion() is performed later, it will immediately return). Signed-off-by: Krishna Kumar Acked-by: Steve Wise Signed-off-by: Roland Dreier --- drivers/infiniband/core/iwcm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 54faa033d89..cf797d7aea0 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -147,8 +147,9 @@ static int copy_private_data(struct iw_cm_event *event) } /* - * Release a reference on cm_id. If the last reference is being removed - * and iw_destroy_cm_id is waiting, wake up the waiting thread. + * Release a reference on cm_id. If the last reference is being + * released, enable the waiting thread (in iw_destroy_cm_id) to + * get woken up, and return 1 if a thread is already waiting. */ static int iwcm_deref_id(struct iwcm_id_private *cm_id_priv) { -- cgit v1.2.3 From 2771e9ed4702e46c3f4c305eb2e047c251c2ad2b Mon Sep 17 00:00:00 2001 From: Hoang-Nam Nguyen Date: Mon, 20 Nov 2006 23:54:12 +0100 Subject: IB/ehca: Use WQE offset instead of WQE addr for pending work reqs This is a patch for ehca to fix a bug in prepare_sqe_to_rts(), which used WQE address to iterate pending work requests. This might cause an access violation since the queue pages can not be assumed to follow each other consecutively. Thus, this patch introduces a few queue functions to determine WQE offset based on its address and uses WQE offset to iterate the pending work requests. Signed-off-by: Hoang-Nam Nguyen Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/ehca_main.c | 4 ++-- drivers/infiniband/hw/ehca/ehca_qp.c | 22 +++++++++------------- drivers/infiniband/hw/ehca/ipz_pt_fn.c | 13 +++++++++++++ drivers/infiniband/hw/ehca/ipz_pt_fn.h | 15 +++++++++++++++ 4 files changed, 39 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index 01f5aa9cb56..3d1c1c53503 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -52,7 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Christoph Raisch "); MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver"); -MODULE_VERSION("SVNEHCA_0018"); +MODULE_VERSION("SVNEHCA_0019"); int ehca_open_aqp1 = 0; int ehca_debug_level = 0; @@ -790,7 +790,7 @@ int __init ehca_module_init(void) int ret; printk(KERN_INFO "eHCA Infiniband Device Driver " - "(Rel.: SVNEHCA_0018)\n"); + "(Rel.: SVNEHCA_0019)\n"); idr_init(&ehca_qp_idr); idr_init(&ehca_cq_idr); spin_lock_init(&ehca_qp_idr_lock); diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index cf3e50ee2d0..8682aa50c70 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -732,8 +732,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, u64 h_ret; struct ipz_queue *squeue; void *bad_send_wqe_p, *bad_send_wqe_v; - void *squeue_start_p, *squeue_end_p; - void *squeue_start_v, *squeue_end_v; + u64 q_ofs; struct ehca_wqe *wqe; int qp_num = my_qp->ib_qp.qp_num; @@ -755,26 +754,23 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, if (ehca_debug_level) ehca_dmp(bad_send_wqe_v, 32, "qp_num=%x bad_wqe", qp_num); squeue = &my_qp->ipz_squeue; - squeue_start_p = (void*)virt_to_abs(ipz_qeit_calc(squeue, 0L)); - squeue_end_p = squeue_start_p+squeue->queue_length; - squeue_start_v = abs_to_virt((u64)squeue_start_p); - squeue_end_v = abs_to_virt((u64)squeue_end_p); - ehca_dbg(&shca->ib_device, "qp_num=%x squeue_start_v=%p squeue_end_v=%p", - qp_num, squeue_start_v, squeue_end_v); + if (ipz_queue_abs_to_offset(squeue, (u64)bad_send_wqe_p, &q_ofs)) { + ehca_err(&shca->ib_device, "failed to get wqe offset qp_num=%x" + " bad_send_wqe_p=%p", qp_num, bad_send_wqe_p); + return -EFAULT; + } /* loop sets wqe's purge bit */ - wqe = (struct ehca_wqe*)bad_send_wqe_v; + wqe = (struct ehca_wqe*)ipz_qeit_calc(squeue, q_ofs); *bad_wqe_cnt = 0; while (wqe->optype != 0xff && wqe->wqef != 0xff) { if (ehca_debug_level) ehca_dmp(wqe, 32, "qp_num=%x wqe", qp_num); wqe->nr_of_data_seg = 0; /* suppress data access */ wqe->wqef = WQEF_PURGE; /* WQE to be purged */ - wqe = (struct ehca_wqe*)((u8*)wqe+squeue->qe_size); + q_ofs = ipz_queue_advance_offset(squeue, q_ofs); + wqe = (struct ehca_wqe*)ipz_qeit_calc(squeue, q_ofs); *bad_wqe_cnt = (*bad_wqe_cnt)+1; - if ((void*)wqe >= squeue_end_v) { - wqe = squeue_start_v; - } } /* * bad wqe will be reprocessed and ignored when pol_cq() is called, diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c index e028ff1588c..bf7a40088f6 100644 --- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c +++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c @@ -70,6 +70,19 @@ void *ipz_qeit_eq_get_inc(struct ipz_queue *queue) return ret; } +int ipz_queue_abs_to_offset(struct ipz_queue *queue, u64 addr, u64 *q_offset) +{ + int i; + for (i = 0; i < queue->queue_length / queue->pagesize; i++) { + u64 page = (u64)virt_to_abs(queue->queue_pages[i]); + if (addr >= page && addr < page + queue->pagesize) { + *q_offset = addr - page + i * queue->pagesize; + return 0; + } + } + return -EINVAL; +} + int ipz_queue_ctor(struct ipz_queue *queue, const u32 nr_of_pages, const u32 pagesize, const u32 qe_size, const u32 nr_of_sg) diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/infiniband/hw/ehca/ipz_pt_fn.h index 2f13509d525..dc3bda2634b 100644 --- a/drivers/infiniband/hw/ehca/ipz_pt_fn.h +++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.h @@ -150,6 +150,21 @@ static inline void *ipz_qeit_reset(struct ipz_queue *queue) return ipz_qeit_get(queue); } +/* + * return the q_offset corresponding to an absolute address + */ +int ipz_queue_abs_to_offset(struct ipz_queue *queue, u64 addr, u64 *q_offset); + +/* + * return the next queue offset. don't modify the queue. + */ +static inline u64 ipz_queue_advance_offset(struct ipz_queue *queue, u64 offset) +{ + offset += queue->qe_size; + if (offset >= queue->queue_length) offset = 0; + return offset; +} + /* struct generic page table */ struct ipz_pt { u64 entries[EHCA_PT_ENTRIES]; -- cgit v1.2.3 From 7013696a5f5ccd0d847d5e8b841d0b0b312277c8 Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Sun, 26 Nov 2006 09:10:19 +0200 Subject: IB/mthca: Fix initial SRQ logsize for mem-free HCAs When initializing an mthca SRQ, the log_srq_size field should be the log of the number of SRQ WQEs, not the log of the number of bytes in the SRQ. This affects only mthca drivers for memfree HCAs which set the initial srq wqe counter (in the SW2HW transition) to a non-zero value. Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mthca/mthca_srq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index 58fcf5a691e..34d2c476896 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -120,7 +120,7 @@ static void mthca_arbel_init_srq_context(struct mthca_dev *dev, memset(context, 0, sizeof *context); - logsize = long_log2(srq->max) + srq->wqe_shift; + logsize = long_log2(srq->max); context->state_logsize_srqn = cpu_to_be32(logsize << 24 | srq->srqn); context->lkey = cpu_to_be32(srq->mr.ibmr.lkey); context->db_index = cpu_to_be32(srq->db_index); -- cgit v1.2.3 From c9edea298e52faeb0d4ae875cb712a5d69ba1966 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Fri, 24 Nov 2006 16:03:48 +0530 Subject: RDMA/amso1100: Prevent deadlock in destroy QP It is possible to swap the CQs used for send_cq and recv_cq when creating two different QPs. If these two QPs are then destroyed at the same time, an AB-BA deadlock can occur because the CQ locks are taken our of order. Fix this by always taking CQ locks in a fixed order. Signed-off-by: Krishna Kumar Signed-off-by: Roland Dreier --- drivers/infiniband/hw/amso1100/c2_qp.c | 36 ++++++++++++++++++++++++++-------- 1 file changed, 28 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c index 5bcf697aa33..179d005ed4a 100644 --- a/drivers/infiniband/hw/amso1100/c2_qp.c +++ b/drivers/infiniband/hw/amso1100/c2_qp.c @@ -564,6 +564,32 @@ int c2_alloc_qp(struct c2_dev *c2dev, return err; } +static inline void c2_lock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq) +{ + if (send_cq == recv_cq) + spin_lock_irq(&send_cq->lock); + else if (send_cq > recv_cq) { + spin_lock_irq(&send_cq->lock); + spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING); + } else { + spin_lock_irq(&recv_cq->lock); + spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING); + } +} + +static inline void c2_unlock_cqs(struct c2_cq *send_cq, struct c2_cq *recv_cq) +{ + if (send_cq == recv_cq) + spin_unlock_irq(&send_cq->lock); + else if (send_cq > recv_cq) { + spin_unlock(&recv_cq->lock); + spin_unlock_irq(&send_cq->lock); + } else { + spin_unlock(&send_cq->lock); + spin_unlock_irq(&recv_cq->lock); + } +} + void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp) { struct c2_cq *send_cq; @@ -576,15 +602,9 @@ void c2_free_qp(struct c2_dev *c2dev, struct c2_qp *qp) * Lock CQs here, so that CQ polling code can do QP lookup * without taking a lock. */ - spin_lock_irq(&send_cq->lock); - if (send_cq != recv_cq) - spin_lock(&recv_cq->lock); - + c2_lock_cqs(send_cq, recv_cq); c2_free_qpn(c2dev, qp->qpn); - - if (send_cq != recv_cq) - spin_unlock(&recv_cq->lock); - spin_unlock_irq(&send_cq->lock); + c2_unlock_cqs(send_cq, recv_cq); /* * Destory qp in the rnic... -- cgit v1.2.3 From c78bb8442b14ee6704bdb323111ffa874d4bfdaa Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Fri, 24 Nov 2006 16:02:34 +0530 Subject: RDMA/addr: Fix some cancellation problems in process_req() Fix following problems in process_req() relating to cancellation: - Function is wrongly doing another addr_remote() when cancelled, which is not required. - Make failure reporting immediate by using time_after_eq(). - On cancellation, -ETIMEDOUT was returned to the callback routine instead of the more appropriate -ECANCELLED (users getting notified may want to print/return this status, eg ucma_event_handler). Signed-off-by: Krishna Kumar Signed-off-by: Roland Dreier --- drivers/infiniband/core/addr.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index a68d7c7df4c..15ba51806ff 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -225,17 +225,16 @@ static void process_req(void *data) mutex_lock(&lock); list_for_each_entry_safe(req, temp_req, &req_list, list) { - if (req->status) { + if (req->status == -ENODATA) { src_in = (struct sockaddr_in *) &req->src_addr; dst_in = (struct sockaddr_in *) &req->dst_addr; req->status = addr_resolve_remote(src_in, dst_in, req->addr); + if (req->status && time_after_eq(jiffies, req->timeout)) + req->status = -ETIMEDOUT; + else if (req->status == -ENODATA) + continue; } - if (req->status && time_after(jiffies, req->timeout)) - req->status = -ETIMEDOUT; - else if (req->status == -ENODATA) - continue; - list_del(&req->list); list_add_tail(&req->list, &done_list); } -- cgit v1.2.3 From 04699a1f8634a4e89c71b22050b599c72126fa96 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 29 Nov 2006 15:33:09 -0800 Subject: RDMA/addr: list_move() cleanups Replace a couple list_del()/list_add() combos with list_move(). Signed-off-by: Roland Dreier --- drivers/infiniband/core/addr.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 15ba51806ff..7767a11b689 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -235,8 +235,7 @@ static void process_req(void *data) else if (req->status == -ENODATA) continue; } - list_del(&req->list); - list_add_tail(&req->list, &done_list); + list_move_tail(&req->list, &done_list); } if (!list_empty(&req_list)) { @@ -346,8 +345,7 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr) if (req->addr == addr) { req->status = -ECANCELED; req->timeout = jiffies; - list_del(&req->list); - list_add(&req->list, &req_list); + list_move(&req->list, &req_list); set_timeout(req->timeout); break; } -- cgit v1.2.3 From d2fcea7d68473b8bb3e0addb4926c87e2217ca83 Mon Sep 17 00:00:00 2001 From: Vu Pham Date: Tue, 21 Nov 2006 14:14:10 -0800 Subject: IB/srp: Fix memory leak on reconnect SRP reallocates the IU buffers for tx_ring and rx_ring without freeing the old buffers when it reconnects to a target. Fix this by keeping the old IU buffers around. Signed-off-by: Vu Pham Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/srp/ib_srp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 613be2ef9c5..64ab5fc7cca 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1176,9 +1176,11 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) break; } - target->status = srp_alloc_iu_bufs(target); - if (target->status) - break; + if (!target->rx_ring[0]) { + target->status = srp_alloc_iu_bufs(target); + if (target->status) + break; + } qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL); if (!qp_attr) { -- cgit v1.2.3 From 2745b5b713bf3457d8977c62dc2b3aa61f4a14b0 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 16 Nov 2006 14:16:47 +0200 Subject: IPoIB: Fix skb leak when freeing neighbour ipoib_neigh_free() is sometimes called while neighbour is still alive, so it might still have queued skbs. Fix skb leak in this case. Signed-off-by: Michael S. Tsirkin Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/ipoib/ipoib.h | 2 +- drivers/infiniband/ulp/ipoib/ipoib_main.c | 19 +++++++++++++------ drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 2 +- 3 files changed, 15 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 0b8a79d53a0..f2b61851a49 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -233,7 +233,7 @@ static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) } struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh); -void ipoib_neigh_free(struct ipoib_neigh *neigh); +void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh); extern struct workqueue_struct *ipoib_workqueue; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 85522daeb94..5ba3154320b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -264,7 +264,7 @@ static void path_free(struct net_device *dev, struct ipoib_path *path) if (neigh->ah) ipoib_put_ah(neigh->ah); - ipoib_neigh_free(neigh); + ipoib_neigh_free(dev, neigh); } spin_unlock_irqrestore(&priv->lock, flags); @@ -525,10 +525,11 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) ipoib_send(dev, skb, path->ah, IPOIB_QPN(skb->dst->neighbour->ha)); } else { neigh->ah = NULL; - __skb_queue_tail(&neigh->queue, skb); if (!path->query && path_rec_start(dev, path)) goto err_list; + + __skb_queue_tail(&neigh->queue, skb); } spin_unlock(&priv->lock); @@ -538,7 +539,7 @@ err_list: list_del(&neigh->list); err_path: - ipoib_neigh_free(neigh); + ipoib_neigh_free(dev, neigh); ++priv->stats.tx_dropped; dev_kfree_skb_any(skb); @@ -655,7 +656,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) */ ipoib_put_ah(neigh->ah); list_del(&neigh->list); - ipoib_neigh_free(neigh); + ipoib_neigh_free(dev, neigh); spin_unlock(&priv->lock); ipoib_path_lookup(skb, dev); goto out; @@ -786,7 +787,7 @@ static void ipoib_neigh_destructor(struct neighbour *n) if (neigh->ah) ah = neigh->ah; list_del(&neigh->list); - ipoib_neigh_free(neigh); + ipoib_neigh_free(n->dev, neigh); } spin_unlock_irqrestore(&priv->lock, flags); @@ -809,9 +810,15 @@ struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neighbour) return neigh; } -void ipoib_neigh_free(struct ipoib_neigh *neigh) +void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh) { + struct ipoib_dev_priv *priv = netdev_priv(dev); + struct sk_buff *skb; *to_ipoib_neigh(neigh->neighbour) = NULL; + while ((skb = __skb_dequeue(&neigh->queue))) { + ++priv->stats.tx_dropped; + dev_kfree_skb_any(skb); + } kfree(neigh); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 3faa1820f0e..d282d65e3ee 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -114,7 +114,7 @@ static void ipoib_mcast_free(struct ipoib_mcast *mcast) */ if (neigh->ah) ipoib_put_ah(neigh->ah); - ipoib_neigh_free(neigh); + ipoib_neigh_free(dev, neigh); } spin_unlock_irqrestore(&priv->lock, flags); -- cgit v1.2.3 From e1444b5a163e81138754cab27c4fa1637b5a2239 Mon Sep 17 00:00:00 2001 From: Sean Hefty Date: Tue, 28 Nov 2006 14:57:13 -0800 Subject: IB/cm: Fix automatic path migration support The ib_cm_establish() function is replaced with a more generic ib_cm_notify(). This routine is used to notify the CM that failover has occurred, so that future CM messages (LAP, DREQ) reach the remote CM. (Currently, we continue to use the original path) This bumps the userspace CM ABI. New alternate path information is captured when a LAP message is sent or received. This allows QP attributes to be initialized for the user when a new path is loaded after failover occurs. Signed-off-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/cm.c | 115 ++++++++++++++++++++++++++++++++---------- drivers/infiniband/core/ucm.c | 12 ++--- 2 files changed, 94 insertions(+), 33 deletions(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 78d9c0c3314..e5dc4530808 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -147,12 +147,12 @@ struct cm_id_private { __be32 rq_psn; int timeout_ms; enum ib_mtu path_mtu; + __be16 pkey; u8 private_data_len; u8 max_cm_retries; u8 peer_to_peer; u8 responder_resources; u8 initiator_depth; - u8 local_ack_timeout; u8 retry_count; u8 rnr_retry_count; u8 service_timeout; @@ -690,7 +690,7 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) * timewait before notifying the user that we've exited timewait. */ cm_id_priv->id.state = IB_CM_TIMEWAIT; - wait_time = cm_convert_to_ms(cm_id_priv->local_ack_timeout); + wait_time = cm_convert_to_ms(cm_id_priv->av.packet_life_time + 1); queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, msecs_to_jiffies(wait_time)); cm_id_priv->timewait_info = NULL; @@ -1009,6 +1009,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id, cm_id_priv->responder_resources = param->responder_resources; cm_id_priv->retry_count = param->retry_count; cm_id_priv->path_mtu = param->primary_path->mtu; + cm_id_priv->pkey = param->primary_path->pkey; cm_id_priv->qp_type = param->qp_type; ret = cm_alloc_msg(cm_id_priv, &cm_id_priv->msg); @@ -1023,8 +1024,6 @@ int ib_send_cm_req(struct ib_cm_id *cm_id, cm_id_priv->local_qpn = cm_req_get_local_qpn(req_msg); cm_id_priv->rq_psn = cm_req_get_starting_psn(req_msg); - cm_id_priv->local_ack_timeout = - cm_req_get_primary_local_ack_timeout(req_msg); spin_lock_irqsave(&cm_id_priv->lock, flags); ret = ib_post_send_mad(cm_id_priv->msg, NULL); @@ -1409,9 +1408,8 @@ static int cm_req_handler(struct cm_work *work) cm_id_priv->initiator_depth = cm_req_get_resp_res(req_msg); cm_id_priv->responder_resources = cm_req_get_init_depth(req_msg); cm_id_priv->path_mtu = cm_req_get_path_mtu(req_msg); + cm_id_priv->pkey = req_msg->pkey; cm_id_priv->sq_psn = cm_req_get_starting_psn(req_msg); - cm_id_priv->local_ack_timeout = - cm_req_get_primary_local_ack_timeout(req_msg); cm_id_priv->retry_count = cm_req_get_retry_count(req_msg); cm_id_priv->rnr_retry_count = cm_req_get_rnr_retry_count(req_msg); cm_id_priv->qp_type = cm_req_get_qp_type(req_msg); @@ -1715,7 +1713,7 @@ static int cm_establish_handler(struct cm_work *work) unsigned long flags; int ret; - /* See comment in ib_cm_establish about lookup. */ + /* See comment in cm_establish about lookup. */ cm_id_priv = cm_acquire_id(work->local_id, work->remote_id); if (!cm_id_priv) return -EINVAL; @@ -2401,11 +2399,16 @@ int ib_send_cm_lap(struct ib_cm_id *cm_id, cm_id_priv = container_of(cm_id, struct cm_id_private, id); spin_lock_irqsave(&cm_id_priv->lock, flags); if (cm_id->state != IB_CM_ESTABLISHED || - cm_id->lap_state != IB_CM_LAP_IDLE) { + (cm_id->lap_state != IB_CM_LAP_UNINIT && + cm_id->lap_state != IB_CM_LAP_IDLE)) { ret = -EINVAL; goto out; } + ret = cm_init_av_by_path(alternate_path, &cm_id_priv->alt_av); + if (ret) + goto out; + ret = cm_alloc_msg(cm_id_priv, &msg); if (ret) goto out; @@ -2430,7 +2433,8 @@ out: spin_unlock_irqrestore(&cm_id_priv->lock, flags); } EXPORT_SYMBOL(ib_send_cm_lap); -static void cm_format_path_from_lap(struct ib_sa_path_rec *path, +static void cm_format_path_from_lap(struct cm_id_private *cm_id_priv, + struct ib_sa_path_rec *path, struct cm_lap_msg *lap_msg) { memset(path, 0, sizeof *path); @@ -2442,10 +2446,10 @@ static void cm_format_path_from_lap(struct ib_sa_path_rec *path, path->hop_limit = lap_msg->alt_hop_limit; path->traffic_class = cm_lap_get_traffic_class(lap_msg); path->reversible = 1; - /* pkey is same as in REQ */ + path->pkey = cm_id_priv->pkey; path->sl = cm_lap_get_sl(lap_msg); path->mtu_selector = IB_SA_EQ; - /* mtu is same as in REQ */ + path->mtu = cm_id_priv->path_mtu; path->rate_selector = IB_SA_EQ; path->rate = cm_lap_get_packet_rate(lap_msg); path->packet_life_time_selector = IB_SA_EQ; @@ -2471,7 +2475,7 @@ static int cm_lap_handler(struct cm_work *work) param = &work->cm_event.param.lap_rcvd; param->alternate_path = &work->path[0]; - cm_format_path_from_lap(param->alternate_path, lap_msg); + cm_format_path_from_lap(cm_id_priv, param->alternate_path, lap_msg); work->cm_event.private_data = &lap_msg->private_data; spin_lock_irqsave(&cm_id_priv->lock, flags); @@ -2479,6 +2483,7 @@ static int cm_lap_handler(struct cm_work *work) goto unlock; switch (cm_id_priv->id.lap_state) { + case IB_CM_LAP_UNINIT: case IB_CM_LAP_IDLE: break; case IB_CM_MRA_LAP_SENT: @@ -2501,6 +2506,10 @@ static int cm_lap_handler(struct cm_work *work) cm_id_priv->id.lap_state = IB_CM_LAP_RCVD; cm_id_priv->tid = lap_msg->hdr.tid; + cm_init_av_for_response(work->port, work->mad_recv_wc->wc, + work->mad_recv_wc->recv_buf.grh, + &cm_id_priv->av); + cm_init_av_by_path(param->alternate_path, &cm_id_priv->alt_av); ret = atomic_inc_and_test(&cm_id_priv->work_count); if (!ret) list_add_tail(&work->list, &cm_id_priv->work_list); @@ -3039,7 +3048,7 @@ static void cm_work_handler(void *data) cm_free_work(work); } -int ib_cm_establish(struct ib_cm_id *cm_id) +static int cm_establish(struct ib_cm_id *cm_id) { struct cm_id_private *cm_id_priv; struct cm_work *work; @@ -3087,7 +3096,44 @@ int ib_cm_establish(struct ib_cm_id *cm_id) out: return ret; } -EXPORT_SYMBOL(ib_cm_establish); + +static int cm_migrate(struct ib_cm_id *cm_id) +{ + struct cm_id_private *cm_id_priv; + unsigned long flags; + int ret = 0; + + cm_id_priv = container_of(cm_id, struct cm_id_private, id); + spin_lock_irqsave(&cm_id_priv->lock, flags); + if (cm_id->state == IB_CM_ESTABLISHED && + (cm_id->lap_state == IB_CM_LAP_UNINIT || + cm_id->lap_state == IB_CM_LAP_IDLE)) { + cm_id->lap_state = IB_CM_LAP_IDLE; + cm_id_priv->av = cm_id_priv->alt_av; + } else + ret = -EINVAL; + spin_unlock_irqrestore(&cm_id_priv->lock, flags); + + return ret; +} + +int ib_cm_notify(struct ib_cm_id *cm_id, enum ib_event_type event) +{ + int ret; + + switch (event) { + case IB_EVENT_COMM_EST: + ret = cm_establish(cm_id); + break; + case IB_EVENT_PATH_MIG: + ret = cm_migrate(cm_id); + break; + default: + ret = -EINVAL; + } + return ret; +} +EXPORT_SYMBOL(ib_cm_notify); static void cm_recv_handler(struct ib_mad_agent *mad_agent, struct ib_mad_recv_wc *mad_recv_wc) @@ -3220,6 +3266,9 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv, if (cm_id_priv->alt_av.ah_attr.dlid) { *qp_attr_mask |= IB_QP_ALT_PATH; qp_attr->alt_port_num = cm_id_priv->alt_av.port->port_num; + qp_attr->alt_pkey_index = cm_id_priv->alt_av.pkey_index; + qp_attr->alt_timeout = + cm_id_priv->alt_av.packet_life_time + 1; qp_attr->alt_ah_attr = cm_id_priv->alt_av.ah_attr; } ret = 0; @@ -3246,19 +3295,31 @@ static int cm_init_qp_rts_attr(struct cm_id_private *cm_id_priv, case IB_CM_REP_SENT: case IB_CM_MRA_REP_RCVD: case IB_CM_ESTABLISHED: - *qp_attr_mask = IB_QP_STATE | IB_QP_SQ_PSN; - qp_attr->sq_psn = be32_to_cpu(cm_id_priv->sq_psn); - if (cm_id_priv->qp_type == IB_QPT_RC) { - *qp_attr_mask |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | - IB_QP_RNR_RETRY | - IB_QP_MAX_QP_RD_ATOMIC; - qp_attr->timeout = cm_id_priv->local_ack_timeout; - qp_attr->retry_cnt = cm_id_priv->retry_count; - qp_attr->rnr_retry = cm_id_priv->rnr_retry_count; - qp_attr->max_rd_atomic = cm_id_priv->initiator_depth; - } - if (cm_id_priv->alt_av.ah_attr.dlid) { - *qp_attr_mask |= IB_QP_PATH_MIG_STATE; + if (cm_id_priv->id.lap_state == IB_CM_LAP_UNINIT) { + *qp_attr_mask = IB_QP_STATE | IB_QP_SQ_PSN; + qp_attr->sq_psn = be32_to_cpu(cm_id_priv->sq_psn); + if (cm_id_priv->qp_type == IB_QPT_RC) { + *qp_attr_mask |= IB_QP_TIMEOUT | IB_QP_RETRY_CNT | + IB_QP_RNR_RETRY | + IB_QP_MAX_QP_RD_ATOMIC; + qp_attr->timeout = + cm_id_priv->av.packet_life_time + 1; + qp_attr->retry_cnt = cm_id_priv->retry_count; + qp_attr->rnr_retry = cm_id_priv->rnr_retry_count; + qp_attr->max_rd_atomic = + cm_id_priv->initiator_depth; + } + if (cm_id_priv->alt_av.ah_attr.dlid) { + *qp_attr_mask |= IB_QP_PATH_MIG_STATE; + qp_attr->path_mig_state = IB_MIG_REARM; + } + } else { + *qp_attr_mask = IB_QP_ALT_PATH | IB_QP_PATH_MIG_STATE; + qp_attr->alt_port_num = cm_id_priv->alt_av.port->port_num; + qp_attr->alt_pkey_index = cm_id_priv->alt_av.pkey_index; + qp_attr->alt_timeout = + cm_id_priv->alt_av.packet_life_time + 1; + qp_attr->alt_ah_attr = cm_id_priv->alt_av.ah_attr; qp_attr->path_mig_state = IB_MIG_REARM; } ret = 0; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index b4894ba223b..1f4f2d2cfa2 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -683,11 +683,11 @@ out: return result; } -static ssize_t ib_ucm_establish(struct ib_ucm_file *file, - const char __user *inbuf, - int in_len, int out_len) +static ssize_t ib_ucm_notify(struct ib_ucm_file *file, + const char __user *inbuf, + int in_len, int out_len) { - struct ib_ucm_establish cmd; + struct ib_ucm_notify cmd; struct ib_ucm_context *ctx; int result; @@ -698,7 +698,7 @@ static ssize_t ib_ucm_establish(struct ib_ucm_file *file, if (IS_ERR(ctx)) return PTR_ERR(ctx); - result = ib_cm_establish(ctx->cm_id); + result = ib_cm_notify(ctx->cm_id, (enum ib_event_type) cmd.event); ib_ucm_ctx_put(ctx); return result; } @@ -1105,7 +1105,7 @@ static ssize_t (*ucm_cmd_table[])(struct ib_ucm_file *file, [IB_USER_CM_CMD_DESTROY_ID] = ib_ucm_destroy_id, [IB_USER_CM_CMD_ATTR_ID] = ib_ucm_attr_id, [IB_USER_CM_CMD_LISTEN] = ib_ucm_listen, - [IB_USER_CM_CMD_ESTABLISH] = ib_ucm_establish, + [IB_USER_CM_CMD_NOTIFY] = ib_ucm_notify, [IB_USER_CM_CMD_SEND_REQ] = ib_ucm_send_req, [IB_USER_CM_CMD_SEND_REP] = ib_ucm_send_rep, [IB_USER_CM_CMD_SEND_RTU] = ib_ucm_send_rtu, -- cgit v1.2.3 From f469b2626f48829c06e40ac799c1edf62b12048e Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Wed, 29 Nov 2006 15:33:10 -0800 Subject: IB/ucm: Fix deadlock in cleanup ib_ucm_cleanup_events() holds file_mutex while calling ib_destroy_cm_id(). This can deadlock since ib_destroy_cm_id() flushes event handlers, and ib_ucm_event_handler() needs file_mutex, too. Therefore, drop the file_mutex during the call to ib_destroy_cm_id(). Signed-off-by: Michael S. Tsirkin Signed-off-by: Roland Dreier --- drivers/infiniband/core/ucm.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 1f4f2d2cfa2..f15220a0ee7 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -161,12 +161,14 @@ static void ib_ucm_cleanup_events(struct ib_ucm_context *ctx) struct ib_ucm_event, ctx_list); list_del(&uevent->file_list); list_del(&uevent->ctx_list); + mutex_unlock(&ctx->file->file_mutex); /* clear incoming connections. */ if (ib_ucm_new_cm_id(uevent->resp.event)) ib_destroy_cm_id(uevent->cm_id); kfree(uevent); + mutex_lock(&ctx->file->file_mutex); } mutex_unlock(&ctx->file->file_mutex); } -- cgit v1.2.3 From 3cb2fccc5f48a4d6269dfd00b4db570fca2a04d5 Mon Sep 17 00:00:00 2001 From: Matt LaPlante Date: Thu, 30 Nov 2006 05:22:59 +0100 Subject: Fix misc Kconfig typos Fix various Kconfig typos. Signed-off-by: Matt LaPlante Acked-by: Randy Dunlap Signed-off-by: Adrian Bunk --- drivers/char/Kconfig | 2 +- drivers/media/video/Kconfig | 2 +- drivers/mtd/maps/Kconfig | 2 +- drivers/net/Kconfig | 4 ++-- drivers/net/phy/Kconfig | 4 ++-- drivers/pci/Kconfig | 2 +- drivers/spi/Kconfig | 2 +- drivers/usb/host/Kconfig | 2 +- 8 files changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 2af12fc4511..ad8b537ad47 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -994,7 +994,7 @@ config HPET help If you say Y here, you will have a miscdevice named "/dev/hpet/". Each open selects one of the timers supported by the HPET. The timers are - non-periodioc and/or periodic. + non-periodic and/or periodic. config HPET_RTC_IRQ bool "HPET Control RTC IRQ" if !HPET_EMULATE_RTC diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index bf267552941..b8fde5cf473 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -24,7 +24,7 @@ config VIDEO_HELPER_CHIPS_AUTO decode audio/video standards. This option will autoselect all pertinent modules to each selected video module. - Unselect this only if you know exaclty what you are doing, since + Unselect this only if you know exactly what you are doing, since it may break support on some boards. In doubt, say Y. diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 24747bdc3e1..d132ed571f1 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -607,7 +607,7 @@ config MTD_BAST_MAXSIZE default "4" config MTD_SHARP_SL - bool "ROM maped on Sharp SL Series" + bool "ROM mapped on Sharp SL Series" depends on MTD && ARCH_PXA help This enables access to the flash chip on the Sharp SL Series of PDAs. diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6e863aa9894..b6c70c58ae9 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -32,7 +32,7 @@ config IFB tristate "Intermediate Functional Block support" depends on NET_CLS_ACT ---help--- - This is an intermidiate driver that allows sharing of + This is an intermediate driver that allows sharing of resources. To compile this driver as a module, choose M here: the module will be called ifb. If you want to use more than one ifb @@ -2136,7 +2136,7 @@ config SK98LIN This driver supports the original Yukon chipset. A cleaner driver is also available (skge) which seems to work better than this one. - This driver does not support the newer Yukon2 chipset. A seperate + This driver does not support the newer Yukon2 chipset. A separate driver, sky2, is provided to support Yukon2-based adapters. The following adapters are supported by this driver: diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index b79ec0d7480..ecb61f876f2 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -61,8 +61,8 @@ config FIXED_PHY depends on PHYLIB ---help--- Adds the driver to PHY layer to cover the boards that do not have any PHY bound, - but with the ability to manipulate with speed/link in software. The relavant MII - speed/duplex parameters could be effectively handled in user-specified fuction. + but with the ability to manipulate the speed/link in software. The relevant MII + speed/duplex parameters could be effectively handled in a user-specified function. Currently tested with mpc866ads. config FIXED_MII_10_FDX diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 5f1b9f58070..d0ba112355c 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -27,7 +27,7 @@ config PCI_MULTITHREAD_PROBE smaller speedup on single processor machines. But it can also cause lots of bad things to happen. A number - of PCI drivers can not properly handle running in this way, + of PCI drivers cannot properly handle running in this way, some will just not work properly at all, while others might decide to blow up power supplies with a huge load all at once, so use this option at your own risk. diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 23334c8bc4c..d895a1adb42 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -16,7 +16,7 @@ config SPI controller and a chipselect. Most SPI slaves don't support dynamic device discovery; some are even write-only or read-only. - SPI is widely used by microcontollers to talk with sensors, + SPI is widely used by microcontrollers to talk with sensors, eeprom and flash memory, codecs and various other controller chips, analog to digital (and d-to-a) converters, and more. MMC and SD cards can be accessed using SPI protocol; and for diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index cf10cbc98f8..cc60759083b 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -153,7 +153,7 @@ config USB_U132_HCD adapter will *NOT* work with PC cards that do not contain an OHCI controller. - For those PC cards that contain multiple OHCI controllers only ther + For those PC cards that contain multiple OHCI controllers only the first one is used. The driver consists of two modules, the "ftdi-elan" module is a -- cgit v1.2.3 From 0779bf2d2ecc4d9b1e9437ae659f50e6776a7666 Mon Sep 17 00:00:00 2001 From: Matt LaPlante Date: Thu, 30 Nov 2006 05:24:39 +0100 Subject: Fix misc .c/.h comment typos Fix various .c/.h typos in comments (no code changes). Signed-off-by: Matt LaPlante Signed-off-by: Adrian Bunk --- drivers/atm/iphase.c | 2 +- drivers/char/rio/riocmd.c | 2 +- drivers/char/rio/rioinit.c | 2 +- drivers/char/rio/rioparam.c | 6 +++--- drivers/ide/ide-floppy.c | 2 +- drivers/isdn/hardware/eicon/os_4bri.c | 2 +- drivers/isdn/hisax/hfc4s8s_l1.h | 2 +- drivers/media/dvb/ttpci/budget-patch.c | 8 ++++---- drivers/net/e100.c | 2 +- drivers/net/e1000/e1000_hw.c | 2 +- drivers/net/sk98lin/h/skdrv2nd.h | 2 +- drivers/net/sk98lin/skdim.c | 4 ++-- drivers/net/wireless/ipw2200.c | 4 ++-- drivers/parisc/ccio-dma.c | 2 +- drivers/parisc/iosapic.c | 6 +++--- drivers/pci/hotplug/ibmphp_hpc.c | 2 +- drivers/s390/net/claw.h | 2 +- drivers/scsi/aic94xx/aic94xx_reg_def.h | 2 +- drivers/scsi/aic94xx/aic94xx_sds.c | 4 ++-- drivers/scsi/ncr53c8xx.c | 14 +++++++------- drivers/scsi/ncr53c8xx.h | 6 +++--- drivers/usb/host/u132-hcd.c | 6 +++--- drivers/usb/misc/usb_u132.h | 2 +- drivers/usb/serial/digi_acceleport.c | 2 +- 24 files changed, 44 insertions(+), 44 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 9ed1c60048f..bb7ef570514 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -305,7 +305,7 @@ static void clear_lockup (struct atm_vcc *vcc, IADEV *dev) { ** | R | NZ | 5-bit exponent | 9-bit mantissa | ** +----+----+------------------+-------------------------------+ ** -** R = reserverd (written as 0) +** R = reserved (written as 0) ** NZ = 0 if 0 cells/sec; 1 otherwise ** ** if NZ = 1, rate = 1.mmmmmmmmm x 2^(eeeee) cells/sec diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c index 4df6ab2206a..167ebc84e8d 100644 --- a/drivers/char/rio/riocmd.c +++ b/drivers/char/rio/riocmd.c @@ -922,7 +922,7 @@ int RIOUnUse(unsigned long iPortP, struct CmdBlk *CmdBlkP) ** ** Packet is an actual packet structure to be filled in with the packet ** information associated with the command. You need to fill in everything, -** as the command processore doesn't process the command packet in any way. +** as the command processor doesn't process the command packet in any way. ** ** The PreFuncP is called before the packet is enqueued on the host rup. ** PreFuncP is called as (*PreFuncP)(PreArg, CmdBlkP);. PreFuncP must diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c index 99f3df02b61..0794844369d 100644 --- a/drivers/char/rio/rioinit.c +++ b/drivers/char/rio/rioinit.c @@ -222,7 +222,7 @@ int RIOBoardTest(unsigned long paddr, void __iomem *caddr, unsigned char type, i ** which value will be written into memory. ** Call with op set to zero means that the RAM will not be read and checked ** before it is written. -** Call with op not zero, and the RAM will be read and compated with val[op-1] +** Call with op not zero and the RAM will be read and compared with val[op-1] ** to check that the data from the previous phase was retained. */ diff --git a/drivers/char/rio/rioparam.c b/drivers/char/rio/rioparam.c index 1066d976070..bb498d24adc 100644 --- a/drivers/char/rio/rioparam.c +++ b/drivers/char/rio/rioparam.c @@ -87,8 +87,8 @@ static char *_rioparam_c_sccs_ = "@(#)rioparam.c 1.3"; ** command bit set onto the port. The command bit is in the len field, ** and gets ORed in with the actual byte count. ** -** When you send a packet with the command bit set, then the first -** data byte ( data[0] ) is interpretted as the command to execute. +** When you send a packet with the command bit set the first +** data byte (data[0]) is interpreted as the command to execute. ** It also governs what data structure overlay should accompany the packet. ** Commands are defined in cirrus/cirrus.h ** @@ -103,7 +103,7 @@ static char *_rioparam_c_sccs_ = "@(#)rioparam.c 1.3"; ** ** Most commands do not use the remaining bytes in the data array. The ** exceptions are OPEN MOPEN and CONFIG. (NB. As with the SI CONFIG and -** OPEN are currently analagous). With these three commands the following +** OPEN are currently analogous). With these three commands the following ** 11 data bytes are all used to pass config information such as baud rate etc. ** The fields are also defined in cirrus.h. Some contain straightforward ** information such as the transmit XON character. Two contain the transmit and diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 8ccee9c769f..e3a267622bb 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1635,7 +1635,7 @@ static int idefloppy_begin_format(ide_drive_t *drive, int __user *arg) /* ** Get ATAPI_FORMAT_UNIT progress indication. ** -** Userland gives a pointer to an int. The int is set to a progresss +** Userland gives a pointer to an int. The int is set to a progress ** indicator 0-65536, with 65536=100%. ** ** If the drive does not support format progress indication, we just check diff --git a/drivers/isdn/hardware/eicon/os_4bri.c b/drivers/isdn/hardware/eicon/os_4bri.c index 11e6f937c1e..7b4ec3f60db 100644 --- a/drivers/isdn/hardware/eicon/os_4bri.c +++ b/drivers/isdn/hardware/eicon/os_4bri.c @@ -464,7 +464,7 @@ int diva_4bri_init_card(diva_os_xdi_adapter_t * a) /* ** Cleanup function will be called for master adapter only -** this is garanteed by design: cleanup callback is set +** this is guaranteed by design: cleanup callback is set ** by master adapter only */ static int diva_4bri_cleanup_adapter(diva_os_xdi_adapter_t * a) diff --git a/drivers/isdn/hisax/hfc4s8s_l1.h b/drivers/isdn/hisax/hfc4s8s_l1.h index e8f9c077fa8..9d5d2a56b4e 100644 --- a/drivers/isdn/hisax/hfc4s8s_l1.h +++ b/drivers/isdn/hisax/hfc4s8s_l1.h @@ -16,7 +16,7 @@ /* * include Genero generated HFC-4S/8S header file hfc48scu.h -* for comlete register description. This will define _HFC48SCU_H_ +* for complete register description. This will define _HFC48SCU_H_ * to prevent redefinitions */ diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c index fc1267b8c89..9a155396d6a 100644 --- a/drivers/media/dvb/ttpci/budget-patch.c +++ b/drivers/media/dvb/ttpci/budget-patch.c @@ -500,14 +500,14 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte /* New design (By Emard) ** this rps1 code will copy internal HS event to GPIO3 pin. -** GPIO3 is in budget-patch hardware connectd to port B VSYNC +** GPIO3 is in budget-patch hardware connected to port B VSYNC ** HS is an internal event of 7146, accessible with RPS ** and temporarily raised high every n lines ** (n in defined in the RPS_THRESH1 counter threshold) ** I think HS is raised high on the beginning of the n-th line ** and remains high until this n-th line that triggered -** it is completely received. When the receiption of n-th line +** it is completely received. When the reception of n-th line ** ends, HS is lowered. ** To transmit data over DMA, 7146 needs changing state at @@ -541,7 +541,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte ** hardware debug note: a working budget card (including budget patch) ** with vpeirq() interrupt setup in mode "0x90" (every 64K) will ** generate 3 interrupts per 25-Hz DMA frame of 2*188*512 bytes -** and that means 3*25=75 Hz of interrupt freqency, as seen by +** and that means 3*25=75 Hz of interrupt frequency, as seen by ** watch cat /proc/interrupts ** ** If this frequency is 3x lower (and data received in the DMA @@ -550,7 +550,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte ** this means VSYNC line is not connected in the hardware. ** (check soldering pcb and pins) ** The same behaviour of missing VSYNC can be duplicated on budget -** cards, by seting DD1_INIT trigger mode 7 in 3rd nibble. +** cards, by setting DD1_INIT trigger mode 7 in 3rd nibble. */ // Setup RPS1 "program" (p35) diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 19ab3441269..3a8df479cbd 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1215,7 +1215,7 @@ static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb * the literal in the instruction before the code is loaded, the * driver can change the algorithm. * -* INTDELAY - This loads the dead-man timer with its inital value. +* INTDELAY - This loads the dead-man timer with its initial value. * When this timer expires the interrupt is asserted, and the * timer is reset each time a new packet is received. (see * BUNDLEMAX below to set the limit on number of chained packets) diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 65077f39da6..796c4f7d426 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -3868,7 +3868,7 @@ e1000_phy_hw_reset(struct e1000_hw *hw) * * hw - Struct containing variables accessed by shared code * -* Sets bit 15 of the MII Control regiser +* Sets bit 15 of the MII Control register ******************************************************************************/ int32_t e1000_phy_reset(struct e1000_hw *hw) diff --git a/drivers/net/sk98lin/h/skdrv2nd.h b/drivers/net/sk98lin/h/skdrv2nd.h index 778d9e618eb..3fa67171e83 100644 --- a/drivers/net/sk98lin/h/skdrv2nd.h +++ b/drivers/net/sk98lin/h/skdrv2nd.h @@ -160,7 +160,7 @@ struct s_IOCTL { /* ** Interim definition of SK_DRV_TIMER placed in this file until -** common modules have boon finallized +** common modules have been finalized */ #define SK_DRV_TIMER 11 #define SK_DRV_MODERATION_TIMER 1 diff --git a/drivers/net/sk98lin/skdim.c b/drivers/net/sk98lin/skdim.c index 07c1b4c8699..37ce03fb8de 100644 --- a/drivers/net/sk98lin/skdim.c +++ b/drivers/net/sk98lin/skdim.c @@ -252,7 +252,7 @@ SkDimEnableModerationIfNeeded(SK_AC *pAC) { /******************************************************************************* ** Function : SkDimDisplayModerationSettings -** Description : Displays the current settings regaring interrupt moderation +** Description : Displays the current settings regarding interrupt moderation ** Programmer : Ralph Roesler ** Last Modified: 22-mar-03 ** Returns : void (!) @@ -510,7 +510,7 @@ EnableIntMod(SK_AC *pAC) { /******************************************************************************* ** Function : DisableIntMod() -** Description : Disbles the interrupt moderation independent of what inter- +** Description : Disables the interrupt moderation independent of what inter- ** rupts are running or not ** Programmer : Ralph Roesler ** Last Modified: 23-mar-03 diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 1f742814a01..72120d5c2f7 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -6920,8 +6920,8 @@ static int ipw_qos_association(struct ipw_priv *priv, } /* -* handling the beaconing responces. if we get different QoS setting -* of the network from the the associated setting adjust the QoS +* handling the beaconing responses. if we get different QoS setting +* off the network from the associated setting, adjust the QoS * setting */ static int ipw_qos_association_resp(struct ipw_priv *priv, diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 68cb3a08005..fe3f5f5365c 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -486,7 +486,7 @@ typedef unsigned long space_t; ** This bit tells U2 to do R/M/W for partial cachelines. "Streaming" ** data can avoid this if the mapping covers full cache lines. ** o STOP_MOST is needed for atomicity across cachelines. -** Apperently only "some EISA devices" need this. +** Apparently only "some EISA devices" need this. ** Using CONFIG_ISA is hack. Only the IOA with EISA under it needs ** to use this hint iff the EISA devices needs this feature. ** According to the U2 ERS, STOP_MOST enabled pages hurt performance. diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index c2949b4367e..12bab64a62a 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -50,12 +50,12 @@ ** ** PA Firmware ** ----------- -** PA-RISC platforms have two fundementally different types of firmware. +** PA-RISC platforms have two fundamentally different types of firmware. ** For PCI devices, "Legacy" PDC initializes the "INTERRUPT_LINE" register ** and BARs similar to a traditional PC BIOS. ** The newer "PAT" firmware supports PDC calls which return tables. -** PAT firmware only initializes PCI Console and Boot interface. -** With these tables, the OS can progam all other PCI devices. +** PAT firmware only initializes the PCI Console and Boot interface. +** With these tables, the OS can program all other PCI devices. ** ** One such PAT PDC call returns the "Interrupt Routing Table" (IRT). ** The IRT maps each PCI slot's INTA-D "output" line to an I/O SAPIC diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c index c3ac98a0a6a..f55ac3885cb 100644 --- a/drivers/pci/hotplug/ibmphp_hpc.c +++ b/drivers/pci/hotplug/ibmphp_hpc.c @@ -531,7 +531,7 @@ static u8 hpc_readcmdtoindex (u8 cmd, u8 index) * * Action: issue a READ command to HPC * -* Input: pslot - can not be NULL for READ_ALLSTAT +* Input: pslot - cannot be NULL for READ_ALLSTAT * pstatus - can be NULL for READ_ALLSTAT * * Return 0 or error codes diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h index 969be465309..1ee9a6f0654 100644 --- a/drivers/s390/net/claw.h +++ b/drivers/s390/net/claw.h @@ -29,7 +29,7 @@ #define CLAW_COMPLETE 0xff /* flag to indicate i/o completed */ /*-----------------------------------------------------* -* CLAW control comand code * +* CLAW control command code * *------------------------------------------------------*/ #define SYSTEM_VALIDATE_REQUEST 0x01 /* System Validate request */ diff --git a/drivers/scsi/aic94xx/aic94xx_reg_def.h b/drivers/scsi/aic94xx/aic94xx_reg_def.h index b79f45f3ad4..a11f4e6d8bd 100644 --- a/drivers/scsi/aic94xx/aic94xx_reg_def.h +++ b/drivers/scsi/aic94xx/aic94xx_reg_def.h @@ -2000,7 +2000,7 @@ * The host accesses this scratch in a different manner from the * central sequencer. The sequencer has to use CSEQ registers CSCRPAGE * and CMnSCRPAGE to access the scratch memory. A flat mapping of the - * scratch memory is avaliable for software convenience and to prevent + * scratch memory is available for software convenience and to prevent * corruption while the sequencer is running. This memory is mapped * onto addresses 800h - BFFh, total of 400h bytes. * diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index de7c04d4254..e5a0ec37e95 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c @@ -64,7 +64,7 @@ struct asd_ocm_dir { #define OCM_INIT_DIR_ENTRIES 5 /*************************************************************************** -* OCM dircetory default +* OCM directory default ***************************************************************************/ static struct asd_ocm_dir OCMDirInit = { @@ -73,7 +73,7 @@ static struct asd_ocm_dir OCMDirInit = }; /*************************************************************************** -* OCM dircetory Entries default +* OCM directory Entries default ***************************************************************************/ static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] = { diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 6cc2bc2f62b..adb8eb4f5fd 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -185,7 +185,7 @@ static inline struct list_head *ncr_list_pop(struct list_head *head) ** power of 2 cache line size. ** Enhanced in linux-2.3.44 to provide a memory pool ** per pcidev to support dynamic dma mapping. (I would -** have preferred a real bus astraction, btw). +** have preferred a real bus abstraction, btw). ** **========================================================== */ @@ -1438,7 +1438,7 @@ struct head { ** The first four bytes (scr_st[4]) are used inside the script by ** "COPY" commands. ** Because source and destination must have the same alignment -** in a DWORD, the fields HAVE to be at the choosen offsets. +** in a DWORD, the fields HAVE to be at the chosen offsets. ** xerr_st 0 (0x34) scratcha ** sync_st 1 (0x05) sxfer ** wide_st 3 (0x03) scntl3 @@ -1498,7 +1498,7 @@ struct head { ** the DSA (data structure address) register points ** to this substructure of the ccb. ** This substructure contains the header with -** the script-processor-changable data and +** the script-processor-changeable data and ** data blocks for the indirect move commands. ** **---------------------------------------------------------- @@ -5107,7 +5107,7 @@ void ncr_complete (struct ncb *np, struct ccb *cp) /* ** This CCB has been skipped by the NCR. -** Queue it in the correponding unit queue. +** Queue it in the corresponding unit queue. */ static void ncr_ccb_skipped(struct ncb *np, struct ccb *cp) { @@ -5896,8 +5896,8 @@ static void ncr_log_hard_error(struct ncb *np, u16 sist, u_char dstat) ** ** In normal cases, interrupt conditions occur one at a ** time. The ncr is able to stack in some extra registers -** other interrupts that will occurs after the first one. -** But severall interrupts may occur at the same time. +** other interrupts that will occur after the first one. +** But, several interrupts may occur at the same time. ** ** We probably should only try to deal with the normal ** case, but it seems that multiple interrupts occur in @@ -6796,7 +6796,7 @@ void ncr_int_sir (struct ncb *np) ** The host status field is set to HS_NEGOTIATE to mark this ** situation. ** -** If the target doesn't answer this message immidiately +** If the target doesn't answer this message immediately ** (as required by the standard), the SIR_NEGO_FAIL interrupt ** will be raised eventually. ** The handler removes the HS_NEGOTIATE status, and sets the diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h index cb8b7701431..b39357d9af8 100644 --- a/drivers/scsi/ncr53c8xx.h +++ b/drivers/scsi/ncr53c8xx.h @@ -218,7 +218,7 @@ ** Same as option 1, but also deal with ** misconfigured interrupts. ** -** - Edge triggerred instead of level sensitive. +** - Edge triggered instead of level sensitive. ** - No interrupt line connected. ** - IRQ number misconfigured. ** @@ -549,7 +549,7 @@ struct ncr_driver_setup { /* ** Initial setup. -** Can be overriden at startup by a command line. +** Can be overridden at startup by a command line. */ #define SCSI_NCR_DRIVER_SETUP \ { \ @@ -1093,7 +1093,7 @@ struct scr_tblsel { **----------------------------------------------------------- ** On 810A, 860, 825A, 875, 895 and 896 chips the content ** of SFBR register can be used as data (SCR_SFBR_DATA). -** The 896 has additionnal IO registers starting at +** The 896 has additional IO registers starting at ** offset 0x80. Bit 7 of register offset is stored in ** bit 7 of the SCRIPTS instruction first DWORD. **----------------------------------------------------------- diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 32c635ecbf3..a00d1595656 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -211,7 +211,7 @@ int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, u8 addressofs, int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, u8 addressofs, u8 width, u32 data); /* -* these can not be inlines because we need the structure offset!! +* these cannot be inlines because we need the structure offset!! * Does anyone have a better way????? */ #define u132_read_pcimem(u132, member, data) \ @@ -3045,7 +3045,7 @@ static struct hc_driver u132_hc_driver = { * This function may be called by the USB core whilst the "usb_all_devices_rwsem" * is held for writing, thus this module must not call usb_remove_hcd() * synchronously - but instead should immediately stop activity to the -* device and ansynchronously call usb_remove_hcd() +* device and asynchronously call usb_remove_hcd() */ static int __devexit u132_remove(struct platform_device *pdev) { @@ -3241,7 +3241,7 @@ static int u132_resume(struct platform_device *pdev) #define u132_resume NULL #endif /* -* this driver is loaded explicitely by ftdi_u132 +* this driver is loaded explicitly by ftdi_u132 * * the platform_driver struct is static because it is per type of module */ diff --git a/drivers/usb/misc/usb_u132.h b/drivers/usb/misc/usb_u132.h index 551ba8906d6..5b5a3e621da 100644 --- a/drivers/usb/misc/usb_u132.h +++ b/drivers/usb/misc/usb_u132.h @@ -52,7 +52,7 @@ * the kernel to load the "u132-hcd" module. * * The "ftdi-u132" module provides the interface to the inserted -* PC card and the "u132-hcd" module uses the API to send and recieve +* PC card and the "u132-hcd" module uses the API to send and receive * data. The API features call-backs, so that part of the "u132-hcd" * module code will run in the context of one of the kernel threads * of the "ftdi-u132" module. diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index bdb58100fc1..5e3ac281a2f 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -157,7 +157,7 @@ * to TASK_RUNNING will be lost and write_chan's subsequent call to * schedule() will never return (unless it catches a signal). * This race condition occurs because write_bulk_callback() (and thus -* the wakeup) are called asynchonously from an interrupt, rather than +* the wakeup) are called asynchronously from an interrupt, rather than * from the scheduler. We can avoid the race by calling the wakeup * from the scheduler queue and that's our fix: Now, at the end of * write_bulk_callback() we queue up a wakeup call on the scheduler -- cgit v1.2.3 From 5d9a276a3eb073251737cb92b790bfdb9f0b9139 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Thu, 30 Nov 2006 05:26:46 +0100 Subject: BUG_ON conversion for drivers/media/video/pwc/pwc-if.c This patch converts a if () BUG(); construct to BUG_ON(); which occupies less space, uses unlikely and is safer when BUG() is disabled. Signed-off-by: Eric Sesterhenn Signed-off-by: Adrian Bunk --- drivers/media/video/pwc/pwc-if.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 46c11483088..e8db6e58d39 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -1095,8 +1095,7 @@ static int pwc_video_open(struct inode *inode, struct file *file) PWC_DEBUG_OPEN(">> video_open called(vdev = 0x%p).\n", vdev); pdev = (struct pwc_device *)vdev->priv; - if (pdev == NULL) - BUG(); + BUG_ON(!pdev); if (pdev->vopen) { PWC_DEBUG_OPEN("I'm busy, someone is using the device.\n"); return -EBUSY; -- cgit v1.2.3 From d99c5909859625f3c9c6dfee6caa3b2a7c0ef163 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Thu, 30 Nov 2006 05:27:38 +0100 Subject: BUG_ON conversion for drivers/mmc/omap.c This patch converts a if () BUG(); construct to BUG_ON(); which occupies less space, uses unlikely and is safer when BUG() is disabled. Signed-off-by: Eric Sesterhenn Signed-off-by: Adrian Bunk --- drivers/mmc/omap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 762fa289589..d593ef342e7 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -640,8 +640,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data) } /* Max limit for DMA frame count is 0xffff */ - if (unlikely(count > 0xffff)) - BUG(); + BUG_ON(count > 0xffff); OMAP_MMC_WRITE(host->base, BUF, buf); omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S16, -- cgit v1.2.3 From 03a67a46af8647b2c7825107045ecae641e103d3 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 30 Nov 2006 05:32:19 +0100 Subject: Fix typos in doc and comments Changes persistant -> persistent. www.dictionary.com does not know persistant (with an A), but should it be one of those things you can spell in more than one correct way, let me know. Signed-off-by: Jan Engelhardt Signed-off-by: Adrian Bunk --- drivers/message/fusion/mptbase.c | 2 +- drivers/mtd/maps/cfi_flagadm.c | 2 +- drivers/pci/Kconfig | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index e5c72719deb..051b7c5b8f0 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -6185,7 +6185,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) "Abort", /* 12h */ "IO Not Yet Executed", /* 13h */ "IO Executed", /* 14h */ - "Persistant Reservation Out Not Affiliation Owner", /* 15h */ + "Persistent Reservation Out Not Affiliation Owner", /* 15h */ "Open Transmit DMA Abort", /* 16h */ "IO Device Missing Delay Retry", /* 17h */ NULL, /* 18h */ diff --git a/drivers/mtd/maps/cfi_flagadm.c b/drivers/mtd/maps/cfi_flagadm.c index 92b5d883d7b..65e5ee55201 100644 --- a/drivers/mtd/maps/cfi_flagadm.c +++ b/drivers/mtd/maps/cfi_flagadm.c @@ -80,7 +80,7 @@ struct mtd_partition flagadm_parts[] = { .size = FLASH_PARTITION2_SIZE }, { - .name = "Persistant storage", + .name = "Persistent storage", .offset = FLASH_PARTITION3_ADDR, .size = FLASH_PARTITION3_SIZE } diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index d0ba112355c..3cfb0a3575e 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -34,7 +34,7 @@ config PCI_MULTITHREAD_PROBE It is very unwise to use this option if you are not using a boot process that can handle devices being created in any - order. A program that can create persistant block and network + order. A program that can create persistent block and network device names (like udev) is a good idea if you wish to use this option. -- cgit v1.2.3 From 6b44d4e69c6144d0df71ab47ec90d2009237d48f Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 30 Nov 2006 05:33:40 +0100 Subject: Fix typos in drivers/isdn/hisax/isdnl2.c Changes persistant -> persistent in actual C code. (part 1 changed docs/comments). Compile-tested. Signed-off-by: Jan Engelhardt Signed-off-by: Adrian Bunk --- drivers/isdn/hisax/isdnl2.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/isdn/hisax/isdnl2.c b/drivers/isdn/hisax/isdnl2.c index 6d043172555..cd3b5ad5349 100644 --- a/drivers/isdn/hisax/isdnl2.c +++ b/drivers/isdn/hisax/isdnl2.c @@ -1442,7 +1442,7 @@ l2_tei_remove(struct FsmInst *fi, int event, void *arg) } static void -l2_st14_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st14_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1453,7 +1453,7 @@ l2_st14_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_st5_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st5_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1466,7 +1466,7 @@ l2_st5_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_st6_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st6_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1477,7 +1477,7 @@ l2_st6_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1612,14 +1612,14 @@ static struct FsmNode L2FnList[] __initdata = {ST_L2_6, EV_L2_FRAME_ERROR, l2_frame_error}, {ST_L2_7, EV_L2_FRAME_ERROR, l2_frame_error_reest}, {ST_L2_8, EV_L2_FRAME_ERROR, l2_frame_error_reest}, - {ST_L2_1, EV_L1_DEACTIVATE, l2_st14_persistant_da}, + {ST_L2_1, EV_L1_DEACTIVATE, l2_st14_persistent_da}, {ST_L2_2, EV_L1_DEACTIVATE, l2_st24_tei_remove}, {ST_L2_3, EV_L1_DEACTIVATE, l2_st3_tei_remove}, - {ST_L2_4, EV_L1_DEACTIVATE, l2_st14_persistant_da}, - {ST_L2_5, EV_L1_DEACTIVATE, l2_st5_persistant_da}, - {ST_L2_6, EV_L1_DEACTIVATE, l2_st6_persistant_da}, - {ST_L2_7, EV_L1_DEACTIVATE, l2_persistant_da}, - {ST_L2_8, EV_L1_DEACTIVATE, l2_persistant_da}, + {ST_L2_4, EV_L1_DEACTIVATE, l2_st14_persistent_da}, + {ST_L2_5, EV_L1_DEACTIVATE, l2_st5_persistent_da}, + {ST_L2_6, EV_L1_DEACTIVATE, l2_st6_persistent_da}, + {ST_L2_7, EV_L1_DEACTIVATE, l2_persistent_da}, + {ST_L2_8, EV_L1_DEACTIVATE, l2_persistent_da}, }; #define L2_FN_COUNT (sizeof(L2FnList)/sizeof(struct FsmNode)) -- cgit v1.2.3 From f2b67c7945e8d709444884633670fef498218639 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 29 Nov 2006 17:10:38 +0000 Subject: [PATCH] drivers/net: SAA9730: Fix build error Confusingly NET_PCI is also set for for non-PCI EISA configurations where building this driver will result in a build error due to a reference to pci_release_regions. While at it, remove the EXPERIMENTAL - in all its uglyness and despite the sincerest attempts of the buggy hardware the driver is known to work. Also limit the driver to the Atlas board - the only known system to ever use the SAA9730 before Phillips ended the short live of the SAA9730. Signed-off-by: Ralf Baechle Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6e863aa9894..30ae712dff7 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1769,8 +1769,8 @@ config VIA_RHINE_NAPI information. config LAN_SAA9730 - bool "Philips SAA9730 Ethernet support (EXPERIMENTAL)" - depends on NET_PCI && EXPERIMENTAL && MIPS + bool "Philips SAA9730 Ethernet support" + depends on NET_PCI && PCI && MIPS_ATLAS help The SAA9730 is a combined multimedia and peripheral controller used in thin clients, Internet access terminals, and diskless -- cgit v1.2.3 From 418e8f3d7ef4a30d4b5c84440641c9792a7f83f1 Mon Sep 17 00:00:00 2001 From: Laurent Riffard Date: Sat, 18 Nov 2006 12:03:04 +0100 Subject: [PATCH] bonding: fix an oops when slave device does not provide get_stats Bonding driver unconditionnaly dereference get_stats function pointer for each of its slave device. This patch - adds a check for NULL dev->get_stats pointer in bond_get_stats - prints a notice when the bonding device enslave a device without get_stats function. Signed-off-by: Laurent Riffard Signed-off-by: Jeff Garzik --- drivers/net/bonding/bond_main.c | 63 +++++++++++++++++++++++------------------ 1 file changed, 36 insertions(+), 27 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 17a461152d3..488d8ed9e74 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1336,6 +1336,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) goto err_undo_flags; } + if (slave_dev->get_stats == NULL) { + printk(KERN_NOTICE DRV_NAME + ": %s: the driver for slave device %s does not provide " + "get_stats function, network statistics will be " + "inaccurate.\n", bond_dev->name, slave_dev->name); + } + new_slave = kmalloc(sizeof(struct slave), GFP_KERNEL); if (!new_slave) { res = -ENOMEM; @@ -3605,33 +3612,35 @@ static struct net_device_stats *bond_get_stats(struct net_device *bond_dev) read_lock_bh(&bond->lock); bond_for_each_slave(bond, slave, i) { - sstats = slave->dev->get_stats(slave->dev); - - stats->rx_packets += sstats->rx_packets; - stats->rx_bytes += sstats->rx_bytes; - stats->rx_errors += sstats->rx_errors; - stats->rx_dropped += sstats->rx_dropped; - - stats->tx_packets += sstats->tx_packets; - stats->tx_bytes += sstats->tx_bytes; - stats->tx_errors += sstats->tx_errors; - stats->tx_dropped += sstats->tx_dropped; - - stats->multicast += sstats->multicast; - stats->collisions += sstats->collisions; - - stats->rx_length_errors += sstats->rx_length_errors; - stats->rx_over_errors += sstats->rx_over_errors; - stats->rx_crc_errors += sstats->rx_crc_errors; - stats->rx_frame_errors += sstats->rx_frame_errors; - stats->rx_fifo_errors += sstats->rx_fifo_errors; - stats->rx_missed_errors += sstats->rx_missed_errors; - - stats->tx_aborted_errors += sstats->tx_aborted_errors; - stats->tx_carrier_errors += sstats->tx_carrier_errors; - stats->tx_fifo_errors += sstats->tx_fifo_errors; - stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors; - stats->tx_window_errors += sstats->tx_window_errors; + if (slave->dev->get_stats) { + sstats = slave->dev->get_stats(slave->dev); + + stats->rx_packets += sstats->rx_packets; + stats->rx_bytes += sstats->rx_bytes; + stats->rx_errors += sstats->rx_errors; + stats->rx_dropped += sstats->rx_dropped; + + stats->tx_packets += sstats->tx_packets; + stats->tx_bytes += sstats->tx_bytes; + stats->tx_errors += sstats->tx_errors; + stats->tx_dropped += sstats->tx_dropped; + + stats->multicast += sstats->multicast; + stats->collisions += sstats->collisions; + + stats->rx_length_errors += sstats->rx_length_errors; + stats->rx_over_errors += sstats->rx_over_errors; + stats->rx_crc_errors += sstats->rx_crc_errors; + stats->rx_frame_errors += sstats->rx_frame_errors; + stats->rx_fifo_errors += sstats->rx_fifo_errors; + stats->rx_missed_errors += sstats->rx_missed_errors; + + stats->tx_aborted_errors += sstats->tx_aborted_errors; + stats->tx_carrier_errors += sstats->tx_carrier_errors; + stats->tx_fifo_errors += sstats->tx_fifo_errors; + stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors; + stats->tx_window_errors += sstats->tx_window_errors; + } } read_unlock_bh(&bond->lock); -- cgit v1.2.3 From 9c434f5e2181097e1d22d9b3e381ca6d693e5188 Mon Sep 17 00:00:00 2001 From: James K Lewis Date: Fri, 17 Nov 2006 14:39:36 -0800 Subject: [PATCH] Spidernet: remove ETH_ZLEN check in earlier patch In an earlier patch, code was added to pad packets that were less that ETH_ZLEN (60) bytes using the skb_pad function. This has caused hangs when accessing certain NFS mounted file systems. This patch removes the check and solves the NFS problem. The driver, with this patch, has been tested extensively. Please apply. Signed-off-by: James K Lewis Cc: Stephen Hemminger Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/spider_net.c | 18 +++++------------- drivers/net/spider_net.h | 2 +- 2 files changed, 6 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 418138dd6c6..9dd282346e1 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -644,20 +644,12 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, struct spider_net_descr *descr; dma_addr_t buf; unsigned long flags; - int length; - length = skb->len; - if (length < ETH_ZLEN) { - if (skb_pad(skb, ETH_ZLEN-length)) - return 0; - length = ETH_ZLEN; - } - - buf = pci_map_single(card->pdev, skb->data, length, PCI_DMA_TODEVICE); + buf = pci_map_single(card->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); if (pci_dma_mapping_error(buf)) { if (netif_msg_tx_err(card) && net_ratelimit()) pr_err("could not iommu-map packet (%p, %i). " - "Dropping packet\n", skb->data, length); + "Dropping packet\n", skb->data, skb->len); card->spider_stats.tx_iommu_map_error++; return -ENOMEM; } @@ -667,7 +659,7 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, card->tx_chain.head = descr->next; descr->buf_addr = buf; - descr->buf_size = length; + descr->buf_size = skb->len; descr->next_descr_addr = 0; descr->skb = skb; descr->data_status = 0; @@ -802,8 +794,8 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal) /* unmap the skb */ if (skb) { - int len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; - pci_unmap_single(card->pdev, buf_addr, len, PCI_DMA_TODEVICE); + pci_unmap_single(card->pdev, buf_addr, skb->len, + PCI_DMA_TODEVICE); dev_kfree_skb(skb); } } diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index b3b46119b42..cb85cbb3d92 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -24,7 +24,7 @@ #ifndef _SPIDER_NET_H #define _SPIDER_NET_H -#define VERSION "1.1 A" +#define VERSION "1.5 A" #include "sungem_phy.h" -- cgit v1.2.3 From 7bd54c863608a460e72aa0e57170cffb6bc62110 Mon Sep 17 00:00:00 2001 From: Linas Vepstas Date: Fri, 17 Nov 2006 14:39:40 -0800 Subject: [PATCH] spidernet: poor network performance Correct a problem seen on later kernels running the NetPIPE application. Specifically, NetPIPE would begin running very slowly at the 1533 packet size. It was determined that Spidernet slowed with an idle DMA engine. Signed-off-by: James K Lewis Signed-off-by: Linas Vepstas Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/spider_net.c | 2 +- drivers/net/spider_net.h | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 9dd282346e1..cef7e6671c4 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1633,7 +1633,7 @@ spider_net_enable_card(struct spider_net_card *card) SPIDER_NET_INT2_MASK_VALUE); spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR, - SPIDER_NET_GDTBSTA | SPIDER_NET_GDTDCEIDIS); + SPIDER_NET_GDTBSTA); } /** diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index cb85cbb3d92..3e196df2979 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -24,7 +24,7 @@ #ifndef _SPIDER_NET_H #define _SPIDER_NET_H -#define VERSION "1.5 A" +#define VERSION "1.6 A" #include "sungem_phy.h" @@ -217,8 +217,7 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_GDTBSTA 0x00000300 #define SPIDER_NET_GDTDCEIDIS 0x00000002 #define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \ - SPIDER_NET_GDTBSTA | \ - SPIDER_NET_GDTDCEIDIS + SPIDER_NET_GDTBSTA #define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003 @@ -328,7 +327,8 @@ enum spider_net_int2_status { SPIDER_NET_GRISPDNGINT }; -#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) ) +#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GDTFDCINT) | \ + (1 << SPIDER_NET_GDTDCEINT) ) /* We rely on flagged descriptor interrupts */ #define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) ) -- cgit v1.2.3 From 9e1402ab89623f08c8dc06ec395e3214e1ec7848 Mon Sep 17 00:00:00 2001 From: "George G. Davis" Date: Thu, 16 Nov 2006 14:50:14 -0500 Subject: [PATCH] Fix an offset error when reading the CS89x0 ADD_PORT register Fix an offset error when reading the CS89x0 ADD_PORT register. Signed-off-by: George G. Davis Signed-off-by: Jeff Garzik --- drivers/net/cs89x0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index 4ffc9b44a8e..dec70c2b374 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -588,10 +588,10 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) goto out2; } } - printk(KERN_DEBUG "PP_addr at %x[%x]: 0x%x\n", - ioaddr, ADD_PORT, readword(ioaddr, ADD_PORT)); ioaddr &= ~3; + printk(KERN_DEBUG "PP_addr at %x[%x]: 0x%x\n", + ioaddr, ADD_PORT, readword(ioaddr, ADD_PORT)); writeword(ioaddr, ADD_PORT, PP_ChipID); tmp = readword(ioaddr, DATA_PORT); -- cgit v1.2.3 From beea494d5e09f9e2172894ec84324b94244826a9 Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 7 Nov 2006 21:03:20 +0000 Subject: [ARM] Remove EEPROM slave emulation from i2c-pxa driver. The i2c-pxa driver should not contain EEPROM slave-mode emulation; this is something the platform should provide where required. Remove it. Signed-off-by: Russell King --- drivers/i2c/busses/i2c-pxa.c | 131 +------------------------------------------ 1 file changed, 1 insertion(+), 130 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index c95a6c15416..c3b1567c852 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -357,133 +357,6 @@ static void i2c_pxa_reset(struct pxa_i2c *i2c) #ifdef CONFIG_I2C_PXA_SLAVE -/* - * I2C EEPROM emulation. - */ -static struct i2c_eeprom_emu eeprom = { - .size = I2C_EEPROM_EMU_SIZE, - .watch = LIST_HEAD_INIT(eeprom.watch), -}; - -struct i2c_eeprom_emu *i2c_pxa_get_eeprom(void) -{ - return &eeprom; -} - -int i2c_eeprom_emu_addwatcher(struct i2c_eeprom_emu *emu, void *data, - unsigned int addr, unsigned int size, - struct i2c_eeprom_emu_watcher *watcher) -{ - struct i2c_eeprom_emu_watch *watch; - unsigned long flags; - - if (addr + size > emu->size) - return -EINVAL; - - watch = kmalloc(sizeof(struct i2c_eeprom_emu_watch), GFP_KERNEL); - if (watch) { - watch->start = addr; - watch->end = addr + size - 1; - watch->ops = watcher; - watch->data = data; - - local_irq_save(flags); - list_add(&watch->node, &emu->watch); - local_irq_restore(flags); - } - - return watch ? 0 : -ENOMEM; -} - -void i2c_eeprom_emu_delwatcher(struct i2c_eeprom_emu *emu, void *data, - struct i2c_eeprom_emu_watcher *watcher) -{ - struct i2c_eeprom_emu_watch *watch, *n; - unsigned long flags; - - list_for_each_entry_safe(watch, n, &emu->watch, node) { - if (watch->ops == watcher && watch->data == data) { - local_irq_save(flags); - list_del(&watch->node); - local_irq_restore(flags); - kfree(watch); - } - } -} - -static void i2c_eeprom_emu_event(void *ptr, i2c_slave_event_t event) -{ - struct i2c_eeprom_emu *emu = ptr; - - eedbg(3, "i2c_eeprom_emu_event: %d\n", event); - - switch (event) { - case I2C_SLAVE_EVENT_START_WRITE: - emu->seen_start = 1; - eedbg(2, "i2c_eeprom: write initiated\n"); - break; - - case I2C_SLAVE_EVENT_START_READ: - emu->seen_start = 0; - eedbg(2, "i2c_eeprom: read initiated\n"); - break; - - case I2C_SLAVE_EVENT_STOP: - emu->seen_start = 0; - eedbg(2, "i2c_eeprom: received stop\n"); - break; - - default: - eedbg(0, "i2c_eeprom: unhandled event\n"); - break; - } -} - -static int i2c_eeprom_emu_read(void *ptr) -{ - struct i2c_eeprom_emu *emu = ptr; - int ret; - - ret = emu->bytes[emu->ptr]; - emu->ptr = (emu->ptr + 1) % emu->size; - - return ret; -} - -static void i2c_eeprom_emu_write(void *ptr, unsigned int val) -{ - struct i2c_eeprom_emu *emu = ptr; - struct i2c_eeprom_emu_watch *watch; - - if (emu->seen_start != 0) { - eedbg(2, "i2c_eeprom_emu_write: setting ptr %02x\n", val); - emu->ptr = val; - emu->seen_start = 0; - return; - } - - emu->bytes[emu->ptr] = val; - - eedbg(1, "i2c_eeprom_emu_write: ptr=0x%02x, val=0x%02x\n", - emu->ptr, val); - - list_for_each_entry(watch, &emu->watch, node) { - if (!watch->ops || !watch->ops->write) - continue; - if (watch->start <= emu->ptr && watch->end >= emu->ptr) - watch->ops->write(watch->data, emu->ptr, val); - } - - emu->ptr = (emu->ptr + 1) % emu->size; -} - -struct i2c_slave_client eeprom_client = { - .data = &eeprom, - .event = i2c_eeprom_emu_event, - .read = i2c_eeprom_emu_read, - .write = i2c_eeprom_emu_write -}; - /* * PXA I2C Slave mode */ @@ -963,11 +836,9 @@ static int i2c_pxa_probe(struct platform_device *dev) i2c->slave_addr = I2C_PXA_SLAVE_ADDR; #ifdef CONFIG_I2C_PXA_SLAVE - i2c->slave = &eeprom_client; if (plat) { i2c->slave_addr = plat->slave_addr; - if (plat->slave) - i2c->slave = plat->slave; + i2c->slave = plat->slave; } #endif -- cgit v1.2.3 From 96b13f5c074fab56797109aedacc2405544d6f95 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 30 Nov 2006 14:04:49 +0000 Subject: [ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King --- drivers/amba/bus.c | 113 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 65 insertions(+), 48 deletions(-) (limited to 'drivers') diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 9e3e2a69c03..fd5475071ac 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -80,12 +80,38 @@ static int amba_resume(struct device *dev) return ret; } +#define amba_attr_func(name,fmt,arg...) \ +static ssize_t name##_show(struct device *_dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct amba_device *dev = to_amba_device(_dev); \ + return sprintf(buf, fmt, arg); \ +} + +#define amba_attr(name,fmt,arg...) \ +amba_attr_func(name,fmt,arg) \ +static DEVICE_ATTR(name, S_IRUGO, name##_show, NULL) + +amba_attr_func(id, "%08x\n", dev->periphid); +amba_attr(irq0, "%u\n", dev->irq[0]); +amba_attr(irq1, "%u\n", dev->irq[1]); +amba_attr_func(resource, "\t%016llx\t%016llx\t%016lx\n", + (unsigned long long)dev->res.start, (unsigned long long)dev->res.end, + dev->res.flags); + +static struct device_attribute amba_dev_attrs[] = { + __ATTR_RO(id), + __ATTR_RO(resource), + __ATTR_NULL, +}; + /* * Primecells are part of the Advanced Microcontroller Bus Architecture, * so we call the bus "amba". */ static struct bus_type amba_bustype = { .name = "amba", + .dev_attrs = amba_dev_attrs, .match = amba_match, .uevent = amba_uevent, .suspend = amba_suspend, @@ -169,21 +195,6 @@ static void amba_device_release(struct device *dev) kfree(d); } -#define amba_attr(name,fmt,arg...) \ -static ssize_t show_##name(struct device *_dev, struct device_attribute *attr, char *buf) \ -{ \ - struct amba_device *dev = to_amba_device(_dev); \ - return sprintf(buf, fmt, arg); \ -} \ -static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) - -amba_attr(id, "%08x\n", dev->periphid); -amba_attr(irq0, "%u\n", dev->irq[0]); -amba_attr(irq1, "%u\n", dev->irq[1]); -amba_attr(resource, "\t%016llx\t%016llx\t%016lx\n", - (unsigned long long)dev->res.start, (unsigned long long)dev->res.end, - dev->res.flags); - /** * amba_device_register - register an AMBA device * @dev: AMBA device to register @@ -208,40 +219,46 @@ int amba_device_register(struct amba_device *dev, struct resource *parent) dev_warn(&dev->dev, "coherent dma mask is unset\n"); ret = request_resource(parent, &dev->res); - if (ret == 0) { - tmp = ioremap(dev->res.start, SZ_4K); - if (!tmp) { - ret = -ENOMEM; - goto out; - } - - for (pid = 0, i = 0; i < 4; i++) - pid |= (readl(tmp + 0xfe0 + 4 * i) & 255) << (i * 8); - for (cid = 0, i = 0; i < 4; i++) - cid |= (readl(tmp + 0xff0 + 4 * i) & 255) << (i * 8); - - iounmap(tmp); - - if (cid == 0xb105f00d) - dev->periphid = pid; - - if (dev->periphid) - ret = device_register(&dev->dev); - else - ret = -ENODEV; - - if (ret == 0) { - device_create_file(&dev->dev, &dev_attr_id); - if (dev->irq[0] != NO_IRQ) - device_create_file(&dev->dev, &dev_attr_irq0); - if (dev->irq[1] != NO_IRQ) - device_create_file(&dev->dev, &dev_attr_irq1); - device_create_file(&dev->dev, &dev_attr_resource); - } else { - out: - release_resource(&dev->res); - } + if (ret) + goto err_out; + + tmp = ioremap(dev->res.start, SZ_4K); + if (!tmp) { + ret = -ENOMEM; + goto err_release; } + + for (pid = 0, i = 0; i < 4; i++) + pid |= (readl(tmp + 0xfe0 + 4 * i) & 255) << (i * 8); + for (cid = 0, i = 0; i < 4; i++) + cid |= (readl(tmp + 0xff0 + 4 * i) & 255) << (i * 8); + + iounmap(tmp); + + if (cid == 0xb105f00d) + dev->periphid = pid; + + if (!dev->periphid) { + ret = -ENODEV; + goto err_release; + } + + ret = device_register(&dev->dev); + if (ret) + goto err_release; + + if (dev->irq[0] != NO_IRQ) + ret = device_create_file(&dev->dev, &dev_attr_irq0); + if (ret == 0 && dev->irq[1] != NO_IRQ) + ret = device_create_file(&dev->dev, &dev_attr_irq1); + if (ret == 0) + return ret; + + device_unregister(&dev->dev); + + err_release: + release_resource(&dev->res); + err_out: return ret; } -- cgit v1.2.3 From 79da7a610a1f81b51a1a77e2ac27438d7a5c5124 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Thu, 30 Nov 2006 11:58:14 +0100 Subject: [ARM] 3947/1: AT91: cpu_is_XXX macro's This patch replaces the arch_identify() in system.h with a set of cpu_is_XXX() macro's. This allows for compile-time checking of the target AT91 processor. Original patch from David Brownell. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- drivers/serial/atmel_serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 391a1f4167a..877876e866e 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -138,7 +138,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) unsigned int mode; #ifdef CONFIG_ARM - if (arch_identify() == ARCH_ID_AT91RM9200) { + if (cpu_is_at91rm9200()) { /* * AT91RM9200 Errata #39: RTS0 is not internally connected to PA21. * We need to drive the pin manually. -- cgit v1.2.3 From 55d8baee4a0b4709061104f7a56f53a310de76ac Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Thu, 30 Nov 2006 17:16:43 +0100 Subject: [ARM] 3954/1: AT91: Update drivers for new headers This patch updates the drivers (and other files) which include the hardware headers. This fixes the breakage introduced in patches 3950/1 and 3951/1 (those patches were getting big). The AVR32 architecture uses the same serial driver and had its own copy of at91rm9200_pdc.h. Renamed it to at91_pdc.h Signed-off-by: Andrew Victor Signed-off-by: Russell King --- drivers/char/watchdog/at91rm9200_wdt.c | 1 + drivers/mmc/at91_mci.c | 4 ++-- drivers/pcmcia/at91_cf.c | 2 +- drivers/serial/atmel_serial.c | 2 +- 4 files changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91rm9200_wdt.c index 4e7a1145e78..cb86967e2c5 100644 --- a/drivers/char/watchdog/at91rm9200_wdt.c +++ b/drivers/char/watchdog/at91rm9200_wdt.c @@ -21,6 +21,7 @@ #include #include #include +#include #define WDT_DEFAULT_TIME 5 /* seconds */ diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c index 494b23fb0a0..41761f7189a 100644 --- a/drivers/mmc/at91_mci.c +++ b/drivers/mmc/at91_mci.c @@ -73,8 +73,8 @@ #include #include #include -#include -#include +#include +#include #define DRIVER_NAME "at91_mci" diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index 3bcb7dc3299..69796670351 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -23,9 +23,9 @@ #include #include -#include #include #include +#include /* diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 877876e866e..f930df042f9 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -36,9 +36,9 @@ #include -#include #include #include +#include #ifdef CONFIG_ARM #include #include -- cgit v1.2.3 From 0e75f9063f5c55fb0b0b546a7c356f8ec186825e Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Fri, 1 Dec 2006 10:40:55 +0100 Subject: [PATCH] block: support larger block pc requests This patch modifies blk_rq_map/unmap_user() and the cdrom and scsi_ioctl.c users so that it supports requests larger than bio by chaining them together. Signed-off-by: Mike Christie Signed-off-by: Jens Axboe --- drivers/cdrom/cdrom.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 7ea0f48f8fa..2df5cf4ec74 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2133,16 +2133,14 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, rq->timeout = 60 * HZ; bio = rq->bio; - if (rq->bio) - blk_queue_bounce(q, &rq->bio); - if (blk_execute_rq(q, cdi->disk, rq, 0)) { struct request_sense *s = rq->sense; ret = -EIO; cdi->last_sense = s->sense_key; } - if (blk_rq_unmap_user(bio, len)) + rq->bio = bio; + if (blk_rq_unmap_user(rq)) ret = -EFAULT; if (ret) -- cgit v1.2.3 From 58a0cd7887cd689ae42540dd12b3b3131abfbe6c Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Fri, 1 Dec 2006 14:51:13 +0100 Subject: [ARM] 3963/1: AT91: Update configuration files A number of configuration file changes. These are mainly to replace references to ARCH_AT91RM9200 and ARCH_AT91SAM9261 with the common/generic ARCH_AT91. That way we don't need to mention every specific AT91 processor explicitly. Also adds the configuration option for AT91SAM9260-EK and AT91SAM9261-EK boards. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- drivers/mmc/Kconfig | 8 ++++---- drivers/mmc/Makefile | 2 +- drivers/usb/Kconfig | 2 +- drivers/usb/gadget/Kconfig | 2 +- drivers/usb/host/ohci-hcd.c | 5 ++--- 5 files changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index ea41852ec8c..fbef8da6004 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -91,11 +91,11 @@ config MMC_AU1X If unsure, say N. -config MMC_AT91RM9200 - tristate "AT91RM9200 SD/MMC Card Interface support" - depends on ARCH_AT91RM9200 && MMC +config MMC_AT91 + tristate "AT91 SD/MMC Card Interface support" + depends on ARCH_AT91 && MMC help - This selects the AT91RM9200 MCI controller. + This selects the AT91 MCI controller. If unsure, say N. diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index acfd4de0aba..83ffb9326a5 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -22,7 +22,7 @@ obj-$(CONFIG_MMC_SDHCI) += sdhci.o obj-$(CONFIG_MMC_WBSD) += wbsd.o obj-$(CONFIG_MMC_AU1X) += au1xmmc.o obj-$(CONFIG_MMC_OMAP) += omap.o -obj-$(CONFIG_MMC_AT91RM9200) += at91_mci.o +obj-$(CONFIG_MMC_AT91) += at91_mci.o obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o mmc_core-y := mmc.o mmc_sysfs.o diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index f9b1719b9a3..9980a4ddfed 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -24,7 +24,7 @@ config USB_ARCH_HAS_OHCI default y if ARCH_S3C2410 default y if PXA27x default y if ARCH_EP93XX - default y if (ARCH_AT91RM9200 || ARCH_AT91SAM9261) + default y if ARCH_AT91 default y if ARCH_PNX4008 # PPC: default y if STB03xxx diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index bbbc82a8336..4097a86c4b5 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -189,7 +189,7 @@ config USB_OTG config USB_GADGET_AT91 boolean "AT91 USB Device Port" - depends on ARCH_AT91RM9200 + depends on ARCH_AT91 select USB_GADGET_SELECTED help Many Atmel AT91 processors (such as the AT91RM2000) have a diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ea4714e557e..4776b3bdf9c 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -935,7 +935,7 @@ MODULE_LICENSE ("GPL"); #include "ohci-ppc-soc.c" #endif -#if defined(CONFIG_ARCH_AT91RM9200) || defined(CONFIG_ARCH_AT91SAM9261) +#ifdef CONFIG_ARCH_AT91 #include "ohci-at91.c" #endif @@ -952,8 +952,7 @@ MODULE_LICENSE ("GPL"); || defined (CONFIG_ARCH_EP93XX) \ || defined (CONFIG_SOC_AU1X00) \ || defined (CONFIG_USB_OHCI_HCD_PPC_SOC) \ - || defined (CONFIG_ARCH_AT91RM9200) \ - || defined (CONFIG_ARCH_AT91SAM9261) \ + || defined (CONFIG_ARCH_AT91) \ || defined (CONFIG_ARCH_PNX4008) \ ) #error "missing bus glue for ohci-hcd" -- cgit v1.2.3 From 87598a2bd4c4ed19b91ef163f76297f305007304 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 13 Nov 2006 20:23:52 +0100 Subject: mmc: remove kernel_thread() Replace kernel_thread() with kthread_run()/kthread_stop(). Signed-off-by: Christoph Hellwig Signed-off-by: Pierre Ossman --- drivers/mmc/mmc_queue.c | 41 ++++++++++++++--------------------------- drivers/mmc/mmc_queue.h | 3 +-- 2 files changed, 15 insertions(+), 29 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 4ccdd82b680..4e6a534e91d 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -10,13 +10,13 @@ */ #include #include +#include #include #include #include "mmc_queue.h" -#define MMC_QUEUE_EXIT (1 << 0) -#define MMC_QUEUE_SUSPENDED (1 << 1) +#define MMC_QUEUE_SUSPENDED (1 << 0) /* * Prepare a MMC request. Essentially, this means passing the @@ -59,7 +59,6 @@ static int mmc_queue_thread(void *d) { struct mmc_queue *mq = d; struct request_queue *q = mq->queue; - DECLARE_WAITQUEUE(wait, current); /* * Set iothread to ensure that we aren't put to sleep by @@ -67,12 +66,7 @@ static int mmc_queue_thread(void *d) */ current->flags |= PF_MEMALLOC|PF_NOFREEZE; - daemonize("mmcqd"); - - complete(&mq->thread_complete); - down(&mq->thread_sem); - add_wait_queue(&mq->thread_wq, &wait); do { struct request *req = NULL; @@ -84,7 +78,7 @@ static int mmc_queue_thread(void *d) spin_unlock_irq(q->queue_lock); if (!req) { - if (mq->flags & MMC_QUEUE_EXIT) + if (kthread_should_stop()) break; up(&mq->thread_sem); schedule(); @@ -95,10 +89,8 @@ static int mmc_queue_thread(void *d) mq->issue_fn(mq, req); } while (1); - remove_wait_queue(&mq->thread_wq, &wait); up(&mq->thread_sem); - complete_and_exit(&mq->thread_complete, 0); return 0; } @@ -113,7 +105,7 @@ static void mmc_request(request_queue_t *q) struct mmc_queue *mq = q->queuedata; if (!mq->req) - wake_up(&mq->thread_wq); + wake_up_process(mq->thread); } /** @@ -152,36 +144,31 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock GFP_KERNEL); if (!mq->sg) { ret = -ENOMEM; - goto cleanup; + goto cleanup_queue; } - init_completion(&mq->thread_complete); - init_waitqueue_head(&mq->thread_wq); init_MUTEX(&mq->thread_sem); - ret = kernel_thread(mmc_queue_thread, mq, CLONE_KERNEL); - if (ret >= 0) { - wait_for_completion(&mq->thread_complete); - init_completion(&mq->thread_complete); - ret = 0; - goto out; + mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd"); + if (IS_ERR(mq->thread)) { + ret = PTR_ERR(mq->thread); + goto free_sg; } - cleanup: + return 0; + + free_sg: kfree(mq->sg); mq->sg = NULL; - + cleanup_queue: blk_cleanup_queue(mq->queue); - out: return ret; } EXPORT_SYMBOL(mmc_init_queue); void mmc_cleanup_queue(struct mmc_queue *mq) { - mq->flags |= MMC_QUEUE_EXIT; - wake_up(&mq->thread_wq); - wait_for_completion(&mq->thread_complete); + kthread_stop(mq->thread); kfree(mq->sg); mq->sg = NULL; diff --git a/drivers/mmc/mmc_queue.h b/drivers/mmc/mmc_queue.h index 7182d2f69b4..c9f139e764f 100644 --- a/drivers/mmc/mmc_queue.h +++ b/drivers/mmc/mmc_queue.h @@ -6,8 +6,7 @@ struct task_struct; struct mmc_queue { struct mmc_card *card; - struct completion thread_complete; - wait_queue_head_t thread_wq; + struct task_struct *thread; struct semaphore thread_sem; unsigned int flags; struct request *req; -- cgit v1.2.3 From ab7aefd0b38297e6d2d71f43e8f81f9f4a36cdae Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 12 Nov 2006 17:55:30 -0800 Subject: mmc: constify mmc_host_ops vectors Now that mmc_host_ops can be constified, update the various drivers to constify those method tables and shrink the writable data segment. Signed-off-by: David Brownell Signed-off-by: Pierre Ossman --- drivers/mmc/at91_mci.c | 2 +- drivers/mmc/au1xmmc.c | 2 +- drivers/mmc/imxmmc.c | 2 +- drivers/mmc/mmci.c | 2 +- drivers/mmc/omap.c | 2 +- drivers/mmc/pxamci.c | 2 +- drivers/mmc/sdhci.c | 2 +- drivers/mmc/wbsd.c | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c index 494b23fb0a0..6495cd8a930 100644 --- a/drivers/mmc/at91_mci.c +++ b/drivers/mmc/at91_mci.c @@ -793,7 +793,7 @@ int at91_mci_get_ro(struct mmc_host *mmc) return read_only; } -static struct mmc_host_ops at91_mci_ops = { +static const struct mmc_host_ops at91_mci_ops = { .request = at91_mci_request, .set_ios = at91_mci_set_ios, .get_ro = at91_mci_get_ro, diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 53ffcbb14a9..447fba5825f 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -875,7 +875,7 @@ static void au1xmmc_init_dma(struct au1xmmc_host *host) host->rx_chan = rxchan; } -struct mmc_host_ops au1xmmc_ops = { +struct const mmc_host_ops au1xmmc_ops = { .request = au1xmmc_request, .set_ios = au1xmmc_set_ios, }; diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c index 659d4a822cc..06e7fcd1922 100644 --- a/drivers/mmc/imxmmc.c +++ b/drivers/mmc/imxmmc.c @@ -877,7 +877,7 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } } -static struct mmc_host_ops imxmci_ops = { +static const struct mmc_host_ops imxmci_ops = { .request = imxmci_request, .set_ios = imxmci_set_ios, }; diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index 828503c4ee6..e9b80e92026 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -443,7 +443,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } } -static struct mmc_host_ops mmci_ops = { +static const struct mmc_host_ops mmci_ops = { .request = mmci_request, .set_ios = mmci_set_ios, }; diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 762fa289589..895d4879027 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -960,7 +960,7 @@ static int mmc_omap_get_ro(struct mmc_host *mmc) return host->wp_pin && omap_get_gpio_datain(host->wp_pin); } -static struct mmc_host_ops mmc_omap_ops = { +static const struct mmc_host_ops mmc_omap_ops = { .request = mmc_omap_request, .set_ios = mmc_omap_set_ios, .get_ro = mmc_omap_get_ro, diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c index a526698b8c9..471e9f4e053 100644 --- a/drivers/mmc/pxamci.c +++ b/drivers/mmc/pxamci.c @@ -393,7 +393,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) host->clkrt, host->cmdat); } -static struct mmc_host_ops pxamci_ops = { +static const struct mmc_host_ops pxamci_ops = { .request = pxamci_request, .get_ro = pxamci_get_ro, .set_ios = pxamci_set_ios, diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 9a7d39b7cdb..54990ed2677 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -784,7 +784,7 @@ static int sdhci_get_ro(struct mmc_host *mmc) return !(present & SDHCI_WRITE_PROTECT); } -static struct mmc_host_ops sdhci_ops = { +static const struct mmc_host_ops sdhci_ops = { .request = sdhci_request, .set_ios = sdhci_set_ios, .get_ro = sdhci_get_ro, diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index ced309b37a8..7e040eb18ff 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -1021,7 +1021,7 @@ static int wbsd_get_ro(struct mmc_host *mmc) return csr & WBSD_WRPT; } -static struct mmc_host_ops wbsd_ops = { +static const struct mmc_host_ops wbsd_ops = { .request = wbsd_request, .set_ios = wbsd_set_ios, .get_ro = wbsd_get_ro, -- cgit v1.2.3 From 89783b1e44d3a6fc63be911468e09494ebbba3e3 Mon Sep 17 00:00:00 2001 From: "Juha Yrjola juha.yrjola" Date: Sat, 11 Nov 2006 23:36:01 +0100 Subject: Replace base with virt_base and phys_base This patch is part of Juha Yrjola's earlier patch to replace base with virt_base and phys_base Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Juha Yrjola solidboot.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 895d4879027..4bf7df8c427 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -60,8 +60,9 @@ struct mmc_omap_host { unsigned char id; /* 16xx chips have 2 MMC blocks */ struct clk * iclk; struct clk * fclk; - struct resource *res; - void __iomem *base; + struct resource *mem_res; + void __iomem *virt_base; + unsigned int phys_base; int irq; unsigned char bus_mode; unsigned char hw_bus_mode; @@ -354,9 +355,9 @@ mmc_omap_xfer_data(struct mmc_omap_host *host, int write) host->data->bytes_xfered += n; if (write) { - __raw_writesw(host->base + OMAP_MMC_REG_DATA, host->buffer, n); + __raw_writesw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n); } else { - __raw_readsw(host->base + OMAP_MMC_REG_DATA, host->buffer, n); + __raw_readsw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n); } } @@ -581,7 +582,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data) int dst_port = 0; int sync_dev = 0; - data_addr = io_v2p((u32) host->base) + OMAP_MMC_REG_DATA; + data_addr = host->phys_base + OMAP_MMC_REG_DATA; frame = data->blksz; count = sg_dma_len(sg); @@ -1001,7 +1002,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->dma_timer.data = (unsigned long) host; host->id = pdev->id; - host->res = r; + host->mem_res = r; host->irq = irq; if (cpu_is_omap24xx()) { @@ -1032,7 +1033,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->dma_ch = -1; host->irq = pdev->resource[1].start; - host->base = (void __iomem*)IO_ADDRESS(r->start); + host->phys_base = host->mem_res->start; + host->virt_base = (void __iomem *) IO_ADDRESS(host->phys_base); mmc->ops = &mmc_omap_ops; mmc->f_min = 400000; -- cgit v1.2.3 From 3342ee8bfa9c4453208766eb8ad61ef65241a091 Mon Sep 17 00:00:00 2001 From: "Juha Yrjola juha.yrjola" Date: Sat, 11 Nov 2006 23:36:52 +0100 Subject: Change OMAP_MMC_{READ,WRITE} macros to use the host pointer This patch is part of Juha Yrjola's earlier patch to change OMAP_MMC_{READ,WRITE} macros to use the host pointer Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Juha Yrjola solidboot.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 90 +++++++++++++++++++++++++++--------------------------- drivers/mmc/omap.h | 4 +-- 2 files changed, 47 insertions(+), 47 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 4bf7df8c427..efd14cf60f8 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -192,16 +192,16 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd) clk_enable(host->fclk); - OMAP_MMC_WRITE(host->base, CTO, 200); - OMAP_MMC_WRITE(host->base, ARGL, cmd->arg & 0xffff); - OMAP_MMC_WRITE(host->base, ARGH, cmd->arg >> 16); - OMAP_MMC_WRITE(host->base, IE, + OMAP_MMC_WRITE(host, CTO, 200); + OMAP_MMC_WRITE(host, ARGL, cmd->arg & 0xffff); + OMAP_MMC_WRITE(host, ARGH, cmd->arg >> 16); + OMAP_MMC_WRITE(host, IE, OMAP_MMC_STAT_A_EMPTY | OMAP_MMC_STAT_A_FULL | OMAP_MMC_STAT_CMD_CRC | OMAP_MMC_STAT_CMD_TOUT | OMAP_MMC_STAT_DATA_CRC | OMAP_MMC_STAT_DATA_TOUT | OMAP_MMC_STAT_END_OF_CMD | OMAP_MMC_STAT_CARD_ERR | OMAP_MMC_STAT_END_OF_DATA); - OMAP_MMC_WRITE(host->base, CMD, cmdreg); + OMAP_MMC_WRITE(host, CMD, cmdreg); } static void @@ -297,22 +297,22 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd) if (cmd->flags & MMC_RSP_136) { /* response type 2 */ cmd->resp[3] = - OMAP_MMC_READ(host->base, RSP0) | - (OMAP_MMC_READ(host->base, RSP1) << 16); + OMAP_MMC_READ(host, RSP0) | + (OMAP_MMC_READ(host, RSP1) << 16); cmd->resp[2] = - OMAP_MMC_READ(host->base, RSP2) | - (OMAP_MMC_READ(host->base, RSP3) << 16); + OMAP_MMC_READ(host, RSP2) | + (OMAP_MMC_READ(host, RSP3) << 16); cmd->resp[1] = - OMAP_MMC_READ(host->base, RSP4) | - (OMAP_MMC_READ(host->base, RSP5) << 16); + OMAP_MMC_READ(host, RSP4) | + (OMAP_MMC_READ(host, RSP5) << 16); cmd->resp[0] = - OMAP_MMC_READ(host->base, RSP6) | - (OMAP_MMC_READ(host->base, RSP7) << 16); + OMAP_MMC_READ(host, RSP6) | + (OMAP_MMC_READ(host, RSP7) << 16); } else { /* response types 1, 1b, 3, 4, 5, 6 */ cmd->resp[0] = - OMAP_MMC_READ(host->base, RSP6) | - (OMAP_MMC_READ(host->base, RSP7) << 16); + OMAP_MMC_READ(host, RSP6) | + (OMAP_MMC_READ(host, RSP7) << 16); } } @@ -387,11 +387,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) int transfer_error; if (host->cmd == NULL && host->data == NULL) { - status = OMAP_MMC_READ(host->base, STAT); + status = OMAP_MMC_READ(host, STAT); dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status); if (status != 0) { - OMAP_MMC_WRITE(host->base, STAT, status); - OMAP_MMC_WRITE(host->base, IE, 0); + OMAP_MMC_WRITE(host, STAT, status); + OMAP_MMC_WRITE(host, IE, 0); } return IRQ_HANDLED; } @@ -400,8 +400,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) end_transfer = 0; transfer_error = 0; - while ((status = OMAP_MMC_READ(host->base, STAT)) != 0) { - OMAP_MMC_WRITE(host->base, STAT, status); + while ((status = OMAP_MMC_READ(host, STAT)) != 0) { + OMAP_MMC_WRITE(host, STAT, status); #ifdef CONFIG_MMC_DEBUG dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ", status, host->cmd != NULL ? host->cmd->opcode : -1); @@ -471,8 +471,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) if (status & OMAP_MMC_STAT_CARD_ERR) { if (host->cmd && host->cmd->opcode == MMC_STOP_TRANSMISSION) { - u32 response = OMAP_MMC_READ(host->base, RSP6) - | (OMAP_MMC_READ(host->base, RSP7) << 16); + u32 response = OMAP_MMC_READ(host, RSP6) + | (OMAP_MMC_READ(host, RSP7) << 16); /* STOP sometimes sets must-ignore bits */ if (!(response & (R1_CC_ERROR | R1_ILLEGAL_COMMAND @@ -644,7 +644,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data) if (unlikely(count > 0xffff)) BUG(); - OMAP_MMC_WRITE(host->base, BUF, buf); + OMAP_MMC_WRITE(host, BUF, buf); omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S16, frame, count, OMAP_DMA_SYNC_FRAME, sync_dev, 0); @@ -729,11 +729,11 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques { u16 reg; - reg = OMAP_MMC_READ(host->base, SDIO); + reg = OMAP_MMC_READ(host, SDIO); reg &= ~(1 << 5); - OMAP_MMC_WRITE(host->base, SDIO, reg); + OMAP_MMC_WRITE(host, SDIO, reg); /* Set maximum timeout */ - OMAP_MMC_WRITE(host->base, CTO, 0xff); + OMAP_MMC_WRITE(host, CTO, 0xff); } static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req) @@ -747,14 +747,14 @@ static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_reque timeout = req->data->timeout_clks + req->data->timeout_ns / 500; /* Check if we need to use timeout multiplier register */ - reg = OMAP_MMC_READ(host->base, SDIO); + reg = OMAP_MMC_READ(host, SDIO); if (timeout > 0xffff) { reg |= (1 << 5); timeout /= 1024; } else reg &= ~(1 << 5); - OMAP_MMC_WRITE(host->base, SDIO, reg); - OMAP_MMC_WRITE(host->base, DTO, timeout); + OMAP_MMC_WRITE(host, SDIO, reg); + OMAP_MMC_WRITE(host, DTO, timeout); } static void @@ -766,9 +766,9 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) host->data = data; if (data == NULL) { - OMAP_MMC_WRITE(host->base, BLEN, 0); - OMAP_MMC_WRITE(host->base, NBLK, 0); - OMAP_MMC_WRITE(host->base, BUF, 0); + OMAP_MMC_WRITE(host, BLEN, 0); + OMAP_MMC_WRITE(host, NBLK, 0); + OMAP_MMC_WRITE(host, BUF, 0); host->dma_in_use = 0; set_cmd_timeout(host, req); return; @@ -777,8 +777,8 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) block_size = data->blksz; - OMAP_MMC_WRITE(host->base, NBLK, data->blocks - 1); - OMAP_MMC_WRITE(host->base, BLEN, block_size - 1); + OMAP_MMC_WRITE(host, NBLK, data->blocks - 1); + OMAP_MMC_WRITE(host, BLEN, block_size - 1); set_data_timeout(host, req); /* cope with calling layer confusion; it issues "single @@ -820,7 +820,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) /* Revert to PIO? */ if (!use_dma) { - OMAP_MMC_WRITE(host->base, BUF, 0x1f1f); + OMAP_MMC_WRITE(host, BUF, 0x1f1f); host->total_bytes_left = data->blocks * block_size; host->sg_len = sg_len; mmc_omap_sg_to_buf(host); @@ -872,8 +872,8 @@ static void mmc_omap_power(struct mmc_omap_host *host, int on) /* GPIO 4 of TPS65010 sends SD_EN signal */ tps65010_set_gpio_out_value(GPIO4, HIGH); else if (cpu_is_omap24xx()) { - u16 reg = OMAP_MMC_READ(host->base, CON); - OMAP_MMC_WRITE(host->base, CON, reg | (1 << 11)); + u16 reg = OMAP_MMC_READ(host, CON); + OMAP_MMC_WRITE(host, CON, reg | (1 << 11)); } else if (host->power_pin >= 0) omap_set_gpio_dataout(host->power_pin, 1); @@ -885,8 +885,8 @@ static void mmc_omap_power(struct mmc_omap_host *host, int on) else if (machine_is_omap_h3()) tps65010_set_gpio_out_value(GPIO4, LOW); else if (cpu_is_omap24xx()) { - u16 reg = OMAP_MMC_READ(host->base, CON); - OMAP_MMC_WRITE(host->base, CON, reg & ~(1 << 11)); + u16 reg = OMAP_MMC_READ(host, CON); + OMAP_MMC_WRITE(host, CON, reg & ~(1 << 11)); } else if (host->power_pin >= 0) omap_set_gpio_dataout(host->power_pin, 0); @@ -942,14 +942,14 @@ static void mmc_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) * which results in the while loop below getting stuck. * Writing to the CON register twice seems to do the trick. */ for (i = 0; i < 2; i++) - OMAP_MMC_WRITE(host->base, CON, dsor); + OMAP_MMC_WRITE(host, CON, dsor); if (ios->power_mode == MMC_POWER_UP) { /* Send clock cycles, poll completion */ - OMAP_MMC_WRITE(host->base, IE, 0); - OMAP_MMC_WRITE(host->base, STAT, 0xffff); - OMAP_MMC_WRITE(host->base, CMD, 1<<7); - while (0 == (OMAP_MMC_READ(host->base, STAT) & 1)); - OMAP_MMC_WRITE(host->base, STAT, 1); + OMAP_MMC_WRITE(host, IE, 0); + OMAP_MMC_WRITE(host, STAT, 0xffff); + OMAP_MMC_WRITE(host, CMD, 1<<7); + while (0 == (OMAP_MMC_READ(host, STAT) & 1)); + OMAP_MMC_WRITE(host, STAT, 1); } clk_disable(host->fclk); } diff --git a/drivers/mmc/omap.h b/drivers/mmc/omap.h index c954d355a5e..11bf2ee32d6 100644 --- a/drivers/mmc/omap.h +++ b/drivers/mmc/omap.h @@ -41,8 +41,8 @@ #define OMAP_MMC_STAT_CARD_BUSY (1 << 2) #define OMAP_MMC_STAT_END_OF_CMD (1 << 0) -#define OMAP_MMC_READ(base, reg) __raw_readw((base) + OMAP_MMC_REG_##reg) -#define OMAP_MMC_WRITE(base, reg, val) __raw_writew((val), (base) + OMAP_MMC_REG_##reg) +#define OMAP_MMC_READ(host, reg) __raw_readw((host)->virt_base + OMAP_MMC_REG_##reg) +#define OMAP_MMC_WRITE(host, reg, val) __raw_writew((val), (host)->virt_base + OMAP_MMC_REG_##reg) /* * Command types -- cgit v1.2.3 From 0551f4df35694c7f89e00da461d7bee9769f016f Mon Sep 17 00:00:00 2001 From: "Juha Yrjola juha.yrjola" Date: Sat, 11 Nov 2006 23:38:36 +0100 Subject: Move register definitions away from the header file This patch is part of Juha Yrjola's earlier patch to move register definitions away from the header file and the header file is removed. Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Juha Yrjola solidboot.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++- drivers/mmc/omap.h | 55 ------------------------------------------------------ 2 files changed, 51 insertions(+), 56 deletions(-) delete mode 100644 drivers/mmc/omap.h (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index efd14cf60f8..827753c1857 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -38,7 +38,57 @@ #include #include -#include "omap.h" +#define OMAP_MMC_REG_CMD 0x00 +#define OMAP_MMC_REG_ARGL 0x04 +#define OMAP_MMC_REG_ARGH 0x08 +#define OMAP_MMC_REG_CON 0x0c +#define OMAP_MMC_REG_STAT 0x10 +#define OMAP_MMC_REG_IE 0x14 +#define OMAP_MMC_REG_CTO 0x18 +#define OMAP_MMC_REG_DTO 0x1c +#define OMAP_MMC_REG_DATA 0x20 +#define OMAP_MMC_REG_BLEN 0x24 +#define OMAP_MMC_REG_NBLK 0x28 +#define OMAP_MMC_REG_BUF 0x2c +#define OMAP_MMC_REG_SDIO 0x34 +#define OMAP_MMC_REG_REV 0x3c +#define OMAP_MMC_REG_RSP0 0x40 +#define OMAP_MMC_REG_RSP1 0x44 +#define OMAP_MMC_REG_RSP2 0x48 +#define OMAP_MMC_REG_RSP3 0x4c +#define OMAP_MMC_REG_RSP4 0x50 +#define OMAP_MMC_REG_RSP5 0x54 +#define OMAP_MMC_REG_RSP6 0x58 +#define OMAP_MMC_REG_RSP7 0x5c +#define OMAP_MMC_REG_IOSR 0x60 +#define OMAP_MMC_REG_SYSC 0x64 +#define OMAP_MMC_REG_SYSS 0x68 + +#define OMAP_MMC_STAT_CARD_ERR (1 << 14) +#define OMAP_MMC_STAT_CARD_IRQ (1 << 13) +#define OMAP_MMC_STAT_OCR_BUSY (1 << 12) +#define OMAP_MMC_STAT_A_EMPTY (1 << 11) +#define OMAP_MMC_STAT_A_FULL (1 << 10) +#define OMAP_MMC_STAT_CMD_CRC (1 << 8) +#define OMAP_MMC_STAT_CMD_TOUT (1 << 7) +#define OMAP_MMC_STAT_DATA_CRC (1 << 6) +#define OMAP_MMC_STAT_DATA_TOUT (1 << 5) +#define OMAP_MMC_STAT_END_BUSY (1 << 4) +#define OMAP_MMC_STAT_END_OF_DATA (1 << 3) +#define OMAP_MMC_STAT_CARD_BUSY (1 << 2) +#define OMAP_MMC_STAT_END_OF_CMD (1 << 0) + +#define OMAP_MMC_READ(host, reg) __raw_readw((host)->virt_base + OMAP_MMC_REG_##reg) +#define OMAP_MMC_WRITE(host, reg, val) __raw_writew((val), (host)->virt_base + OMAP_MMC_REG_##reg) + +/* + * Command types + */ +#define OMAP_MMC_CMDTYPE_BC 0 +#define OMAP_MMC_CMDTYPE_BCR 1 +#define OMAP_MMC_CMDTYPE_AC 2 +#define OMAP_MMC_CMDTYPE_ADTC 3 + #define DRIVER_NAME "mmci-omap" #define RSP_TYPE(x) ((x) & ~(MMC_RSP_BUSY|MMC_RSP_OPCODE)) diff --git a/drivers/mmc/omap.h b/drivers/mmc/omap.h deleted file mode 100644 index 11bf2ee32d6..00000000000 --- a/drivers/mmc/omap.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef DRIVERS_MEDIA_MMC_OMAP_H -#define DRIVERS_MEDIA_MMC_OMAP_H - -#define OMAP_MMC_REG_CMD 0x00 -#define OMAP_MMC_REG_ARGL 0x04 -#define OMAP_MMC_REG_ARGH 0x08 -#define OMAP_MMC_REG_CON 0x0c -#define OMAP_MMC_REG_STAT 0x10 -#define OMAP_MMC_REG_IE 0x14 -#define OMAP_MMC_REG_CTO 0x18 -#define OMAP_MMC_REG_DTO 0x1c -#define OMAP_MMC_REG_DATA 0x20 -#define OMAP_MMC_REG_BLEN 0x24 -#define OMAP_MMC_REG_NBLK 0x28 -#define OMAP_MMC_REG_BUF 0x2c -#define OMAP_MMC_REG_SDIO 0x34 -#define OMAP_MMC_REG_REV 0x3c -#define OMAP_MMC_REG_RSP0 0x40 -#define OMAP_MMC_REG_RSP1 0x44 -#define OMAP_MMC_REG_RSP2 0x48 -#define OMAP_MMC_REG_RSP3 0x4c -#define OMAP_MMC_REG_RSP4 0x50 -#define OMAP_MMC_REG_RSP5 0x54 -#define OMAP_MMC_REG_RSP6 0x58 -#define OMAP_MMC_REG_RSP7 0x5c -#define OMAP_MMC_REG_IOSR 0x60 -#define OMAP_MMC_REG_SYSC 0x64 -#define OMAP_MMC_REG_SYSS 0x68 - -#define OMAP_MMC_STAT_CARD_ERR (1 << 14) -#define OMAP_MMC_STAT_CARD_IRQ (1 << 13) -#define OMAP_MMC_STAT_OCR_BUSY (1 << 12) -#define OMAP_MMC_STAT_A_EMPTY (1 << 11) -#define OMAP_MMC_STAT_A_FULL (1 << 10) -#define OMAP_MMC_STAT_CMD_CRC (1 << 8) -#define OMAP_MMC_STAT_CMD_TOUT (1 << 7) -#define OMAP_MMC_STAT_DATA_CRC (1 << 6) -#define OMAP_MMC_STAT_DATA_TOUT (1 << 5) -#define OMAP_MMC_STAT_END_BUSY (1 << 4) -#define OMAP_MMC_STAT_END_OF_DATA (1 << 3) -#define OMAP_MMC_STAT_CARD_BUSY (1 << 2) -#define OMAP_MMC_STAT_END_OF_CMD (1 << 0) - -#define OMAP_MMC_READ(host, reg) __raw_readw((host)->virt_base + OMAP_MMC_REG_##reg) -#define OMAP_MMC_WRITE(host, reg, val) __raw_writew((val), (host)->virt_base + OMAP_MMC_REG_##reg) - -/* - * Command types - */ -#define OMAP_MMC_CMDTYPE_BC 0 -#define OMAP_MMC_CMDTYPE_BCR 1 -#define OMAP_MMC_CMDTYPE_AC 2 -#define OMAP_MMC_CMDTYPE_ADTC 3 - -#endif -- cgit v1.2.3 From 81ca70343f4d85637ac19b529dbcccd1db69a41d Mon Sep 17 00:00:00 2001 From: "Juha Yrjola juha.yrjola" Date: Sat, 11 Nov 2006 23:39:20 +0100 Subject: Platform device error handling cleanup This patch is part of Juha Yrjola's earlier patch to add platform device error handling and a BUG_ON to verify if host == NULL Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Juha Yrjola solidboot.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 100 +++++++++++++++++++++++++++++++---------------------- 1 file changed, 59 insertions(+), 41 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 827753c1857..d46fd02ba0d 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -1022,25 +1022,29 @@ static int __init mmc_omap_probe(struct platform_device *pdev) struct omap_mmc_conf *minfo = pdev->dev.platform_data; struct mmc_host *mmc; struct mmc_omap_host *host = NULL; - struct resource *r; + struct resource *res; int ret = 0; int irq; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + if (minfo == NULL) { + dev_err(&pdev->dev, "platform data missing\n"); + return -ENXIO; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!r || irq < 0) + if (res == NULL || irq < 0) return -ENXIO; - r = request_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start + 1, - pdev->name); - if (!r) + res = request_mem_region(res->start, res->end - res->start + 1, + pdev->name); + if (res == NULL) return -EBUSY; mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev); - if (!mmc) { + if (mmc == NULL) { ret = -ENOMEM; - goto out; + goto err_free_mem_region; } host = mmc_priv(mmc); @@ -1052,13 +1056,13 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->dma_timer.data = (unsigned long) host; host->id = pdev->id; - host->mem_res = r; + host->mem_res = res; host->irq = irq; if (cpu_is_omap24xx()) { host->iclk = clk_get(&pdev->dev, "mmc_ick"); if (IS_ERR(host->iclk)) - goto out; + goto err_free_mmc_host; clk_enable(host->iclk); } @@ -1069,7 +1073,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) if (IS_ERR(host->fclk)) { ret = PTR_ERR(host->fclk); - goto out; + goto err_free_iclk; } /* REVISIT: @@ -1082,7 +1086,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->use_dma = 1; host->dma_ch = -1; - host->irq = pdev->resource[1].start; + host->irq = irq; host->phys_base = host->mem_res->start; host->virt_base = (void __iomem *) IO_ADDRESS(host->phys_base); @@ -1108,20 +1112,18 @@ static int __init mmc_omap_probe(struct platform_device *pdev) if ((ret = omap_request_gpio(host->power_pin)) != 0) { dev_err(mmc_dev(host->mmc), "Unable to get GPIO pin for MMC power\n"); - goto out; + goto err_free_fclk; } omap_set_gpio_direction(host->power_pin, 0); } ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host); if (ret) - goto out; + goto err_free_power_gpio; host->dev = &pdev->dev; platform_set_drvdata(pdev, host); - mmc_add_host(mmc); - if (host->switch_pin >= 0) { INIT_WORK(&host->switch_work, mmc_omap_switch_handler, host); init_timer(&host->switch_timer); @@ -1159,10 +1161,11 @@ static int __init mmc_omap_probe(struct platform_device *pdev) schedule_work(&host->switch_work); } -no_switch: + mmc_add_host(mmc); + return 0; -out: +no_switch: /* FIXME: Free other resources too. */ if (host) { if (host->iclk && !IS_ERR(host->iclk)) @@ -1171,6 +1174,20 @@ out: clk_put(host->fclk); mmc_free_host(host->mmc); } +err_free_power_gpio: + if (host->power_pin >= 0) + omap_free_gpio(host->power_pin); +err_free_fclk: + clk_put(host->fclk); +err_free_iclk: + if (host->iclk != NULL) { + clk_disable(host->iclk); + clk_put(host->iclk); + } +err_free_mmc_host: + mmc_free_host(host->mmc); +err_free_mem_region: + release_mem_region(res->start, res->end - res->start + 1); return ret; } @@ -1180,30 +1197,31 @@ static int mmc_omap_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - if (host) { - mmc_remove_host(host->mmc); - free_irq(host->irq, host); - - if (host->power_pin >= 0) - omap_free_gpio(host->power_pin); - if (host->switch_pin >= 0) { - device_remove_file(&pdev->dev, &dev_attr_enable_poll); - device_remove_file(&pdev->dev, &dev_attr_cover_switch); - free_irq(OMAP_GPIO_IRQ(host->switch_pin), host); - omap_free_gpio(host->switch_pin); - host->switch_pin = -1; - del_timer_sync(&host->switch_timer); - flush_scheduled_work(); - } - if (host->iclk && !IS_ERR(host->iclk)) - clk_put(host->iclk); - if (host->fclk && !IS_ERR(host->fclk)) - clk_put(host->fclk); - mmc_free_host(host->mmc); + BUG_ON(host == NULL); + + mmc_remove_host(host->mmc); + free_irq(host->irq, host); + + if (host->power_pin >= 0) + omap_free_gpio(host->power_pin); + if (host->switch_pin >= 0) { + device_remove_file(&pdev->dev, &dev_attr_enable_poll); + device_remove_file(&pdev->dev, &dev_attr_cover_switch); + free_irq(OMAP_GPIO_IRQ(host->switch_pin), host); + omap_free_gpio(host->switch_pin); + host->switch_pin = -1; + del_timer_sync(&host->switch_timer); + flush_scheduled_work(); } + if (host->iclk && !IS_ERR(host->iclk)) + clk_put(host->iclk); + if (host->fclk && !IS_ERR(host->fclk)) + clk_put(host->fclk); release_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start + 1); + pdev->resource[0].end - pdev->resource[0].start + 1); + + mmc_free_host(host->mmc); return 0; } -- cgit v1.2.3 From f4204fdf05e70cdbff1f657e3ed78eddd3d6267f Mon Sep 17 00:00:00 2001 From: Tony Lindgren tony Date: Sat, 11 Nov 2006 23:41:54 +0100 Subject: Add MMC_CAP_{MULTIWRITE,BYTEBLOCK} flags This patch is part of Tony Lindgren's earlier patch to add MMC_CAP_{MULTIWRITE,BYTEBLOCK} flags in omap.c Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Tony Lindgren atomide.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index d46fd02ba0d..4e46750e8d0 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -1094,7 +1094,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) mmc->f_min = 400000; mmc->f_max = 24000000; mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34; - mmc->caps = MMC_CAP_BYTEBLOCK; + mmc->caps = MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK; if (minfo->wire4) mmc->caps |= MMC_CAP_4_BIT_DATA; -- cgit v1.2.3 From c5cb431d27237937e1b04a888bf2f8863f06fa2d Mon Sep 17 00:00:00 2001 From: "Juha Yrjola juha.yrjola" Date: Sat, 11 Nov 2006 23:42:39 +0100 Subject: Make general code cleanups This patch is part of Juha Yrjola's and Komal Shah's earlier patch to make general code cleanups Signed-off-by: Carlos Eduardo Aguiar indt.org.br> Signed-off-by: Juha Yrjola solidboot.com> Signed-off-by: Komal Shah yahoo.com> Signed-off-by: Pierre Ossman --- drivers/mmc/omap.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 4e46750e8d0..f8830c52760 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -581,12 +581,6 @@ static void mmc_omap_switch_timer(unsigned long arg) schedule_work(&host->switch_work); } -/* FIXME: Handle card insertion and removal properly. Maybe use a mask - * for MMC state? */ -static void mmc_omap_switch_callback(unsigned long data, u8 mmc_mask) -{ -} - static void mmc_omap_switch_handler(void *data) { struct mmc_omap_host *host = (struct mmc_omap_host *) data; @@ -824,7 +818,6 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) return; } - block_size = data->blksz; OMAP_MMC_WRITE(host, NBLK, data->blocks - 1); @@ -896,7 +889,6 @@ static void mmc_omap_request(struct mmc_host *mmc, struct mmc_request *req) static void innovator_fpga_socket_power(int on) { #if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX) - if (on) { fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3), OMAP1510_FPGA_POWER); @@ -978,7 +970,7 @@ static void mmc_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) case MMC_POWER_UP: case MMC_POWER_ON: mmc_omap_power(host, 1); - dsor |= 1<<11; + dsor |= 1 << 11; break; } @@ -997,8 +989,8 @@ static void mmc_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) /* Send clock cycles, poll completion */ OMAP_MMC_WRITE(host, IE, 0); OMAP_MMC_WRITE(host, STAT, 0xffff); - OMAP_MMC_WRITE(host, CMD, 1<<7); - while (0 == (OMAP_MMC_READ(host, STAT) & 1)); + OMAP_MMC_WRITE(host, CMD, 1 << 7); + while ((OMAP_MMC_READ(host, STAT) & 1) == 0); OMAP_MMC_WRITE(host, STAT, 1); } clk_disable(host->fclk); @@ -1093,7 +1085,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) mmc->ops = &mmc_omap_ops; mmc->f_min = 400000; mmc->f_max = 24000000; - mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34; + mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; mmc->caps = MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK; if (minfo->wire4) -- cgit v1.2.3 From 9c9c26188ff9fa5f44ba5a00e01b54b539f83d1d Mon Sep 17 00:00:00 2001 From: Marcin Juszkiewicz Date: Thu, 16 Nov 2006 22:39:10 +0100 Subject: trivial change for mmc/Kconfig: MMC_PXA does not mean only PXA255 PXA MMC driver supports not only PXA255 but also PXA250 and newer ones Signed-off-by: Marcin Juszkiewicz Signed-off-by: Pierre Ossman --- drivers/mmc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index ea41852ec8c..f4f8ccaf545 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -40,7 +40,7 @@ config MMC_ARMMMCI If unsure, say N. config MMC_PXA - tristate "Intel PXA255 Multimedia Card Interface support" + tristate "Intel PXA25x/26x/27x Multimedia Card Interface support" depends on ARCH_PXA && MMC help This selects the Intel(R) PXA(R) Multimedia card Interface. -- cgit v1.2.3 From bce40a36de574376f41f1ff3c4d212a7da2a3c90 Mon Sep 17 00:00:00 2001 From: Philip Langdale Date: Sat, 21 Oct 2006 12:35:02 +0200 Subject: [PATCH] mmc: Add support for mmc v4 high speed mode This adds support for the high-speed modes defined by mmc v4 (assuming the host controller is up to it). On a TI sdhci controller, it improves read speed from 1.3MBps to 2.3MBps. The TI controller can only go up to 24MHz, but everything helps. Another person has taken this basic patch and used it on a Nokia 770 to get a bigger boost because that controller can run at 48MHZ. Signed-off-by: Philip Langdale Signed-off-by: Pierre Ossman --- drivers/mmc/mmc.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 119 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 766bc54406e..2d5b93000de 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -4,6 +4,7 @@ * Copyright (C) 2003-2004 Russell King, All Rights Reserved. * SD support Copyright (C) 2004 Ian Molton, All Rights Reserved. * SD support Copyright (C) 2005 Pierre Ossman, All Rights Reserved. + * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -953,6 +954,114 @@ static void mmc_read_csds(struct mmc_host *host) } } +static void mmc_process_ext_csds(struct mmc_host *host) +{ + int err; + struct mmc_card *card; + + struct mmc_request mrq; + struct mmc_command cmd; + struct mmc_data data; + + struct scatterlist sg; + + /* + * As the ext_csd is so large and mostly unused, we don't store the + * raw block in mmc_card. + */ + u8 *ext_csd; + ext_csd = kmalloc(512, GFP_KERNEL); + if (!ext_csd) { + printk("%s: could not allocate a buffer to receive the ext_csd." + "mmc v4 cards will be treated as v3.\n", + mmc_hostname(host)); + return; + } + + list_for_each_entry(card, &host->cards, node) { + if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT)) + continue; + if (mmc_card_sd(card)) + continue; + if (card->csd.mmca_vsn < CSD_SPEC_VER_4) + continue; + + err = mmc_select_card(host, card); + if (err != MMC_ERR_NONE) { + mmc_card_set_dead(card); + continue; + } + + memset(&cmd, 0, sizeof(struct mmc_command)); + + cmd.opcode = MMC_SEND_EXT_CSD; + cmd.arg = 0; + cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; + + memset(&data, 0, sizeof(struct mmc_data)); + + mmc_set_data_timeout(&data, card, 0); + + data.blksz = 512; + data.blocks = 1; + data.flags = MMC_DATA_READ; + data.sg = &sg; + data.sg_len = 1; + + memset(&mrq, 0, sizeof(struct mmc_request)); + + mrq.cmd = &cmd; + mrq.data = &data; + + sg_init_one(&sg, ext_csd, 512); + + mmc_wait_for_req(host, &mrq); + + if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { + mmc_card_set_dead(card); + continue; + } + + switch (ext_csd[EXT_CSD_CARD_TYPE]) { + case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26: + card->ext_csd.hs_max_dtr = 52000000; + break; + case EXT_CSD_CARD_TYPE_26: + card->ext_csd.hs_max_dtr = 26000000; + break; + default: + /* MMC v4 spec says this cannot happen */ + printk("%s: card is mmc v4 but doesn't support " + "any high-speed modes.\n", + mmc_hostname(card->host)); + mmc_card_set_bad(card); + continue; + } + + /* Activate highspeed support. */ + cmd.opcode = MMC_SWITCH; + cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) | + (EXT_CSD_HS_TIMING << 16) | + (1 << 8) | + EXT_CSD_CMD_SET_NORMAL; + cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; + + err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES); + if (err != MMC_ERR_NONE) { + printk("%s: failed to switch card to mmc v4 " + "high-speed mode.\n", + mmc_hostname(card->host)); + continue; + } + + mmc_card_set_highspeed(card); + } + + kfree(ext_csd); + + mmc_deselect_cards(host); +} + static void mmc_read_scrs(struct mmc_host *host) { int err; @@ -1031,8 +1140,14 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host) unsigned int max_dtr = host->f_max; list_for_each_entry(card, &host->cards, node) - if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr) - max_dtr = card->csd.max_dtr; + if (!mmc_card_dead(card)) { + if (mmc_card_highspeed(card)) { + if (max_dtr > card->ext_csd.hs_max_dtr) + max_dtr = card->ext_csd.hs_max_dtr; + } else if (max_dtr > card->csd.max_dtr) { + max_dtr = card->csd.max_dtr; + } + } pr_debug("%s: selected %d.%03dMHz transfer rate\n", mmc_hostname(host), @@ -1152,6 +1267,8 @@ static void mmc_setup(struct mmc_host *host) if (host->mode == MMC_MODE_SD) mmc_read_scrs(host); + else + mmc_process_ext_csds(host); } -- cgit v1.2.3 From e45a1bd20fa5b920901879e85cdf5eda21f78d7c Mon Sep 17 00:00:00 2001 From: Philip Langdale Date: Sun, 29 Oct 2006 10:14:19 +0100 Subject: mmc: Add support for mmc v4 wide-bus modes This change adds support for the mmc4 4-bit wide-bus mode. The mmc4 spec defines 8-bit and 4-bit transfer modes. As we do not support any 8-bit hardware, this patch only adds support for the 4-bit mode, but it can easily be built upon when the time comes. The 4-bit mode is electrically compatible with SD's 4-bit mode but the procedure for turning it on is different. This patch implements only the essential parts of the procedure as defined by the spec. Two additional steps are recommended but not compulsory. I am documenting them here so that there's a record. 1) A bus-test mechanism is implemented using dedicated mmc commands which allow for testing the functionality of the data bus at the electrical level. This is pretty paranoid and they way the commands work is not compatible with the mmc subsystem (they don't set valid CRC values). 2) MMC v4 cards can indicate they would like to draw more than the default amount of current in wide-bus modes. We currently will never switch the card into a higher draw mode. Supposedly, allowing the card to draw more current will let it perform better, but the specs seem to indicate that the card will function correctly without the mode change. Empirical testing supports this interpretation. Signed-off-by: Philip Langdale Signed-off-by: Pierre Ossman --- drivers/mmc/mmc.c | 51 +++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 37 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 2d5b93000de..1593a6a632c 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -397,23 +397,23 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card) return err; /* - * Default bus width is 1 bit. - */ - host->ios.bus_width = MMC_BUS_WIDTH_1; - - /* - * We can only change the bus width of the selected - * card so therefore we have to put the handling + * We can only change the bus width of SD cards when + * they are selected so we have to put the handling * here. + * + * The card is in 1 bit mode by default so + * we only need to change if it supports the + * wider version. */ - if (host->caps & MMC_CAP_4_BIT_DATA) { + if (mmc_card_sd(card) && + (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { + /* - * The card is in 1 bit mode by default so - * we only need to change if it supports the - * wider version. - */ - if (mmc_card_sd(card) && - (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { + * Default bus width is 1 bit. + */ + host->ios.bus_width = MMC_BUS_WIDTH_1; + + if (host->caps & MMC_CAP_4_BIT_DATA) { struct mmc_command cmd; cmd.opcode = SD_APP_SET_BUS_WIDTH; cmd.arg = SD_BUS_WIDTH_4; @@ -1055,6 +1055,29 @@ static void mmc_process_ext_csds(struct mmc_host *host) } mmc_card_set_highspeed(card); + + /* Check for host support for wide-bus modes. */ + if (!(host->caps & MMC_CAP_4_BIT_DATA)) { + continue; + } + + /* Activate 4-bit support. */ + cmd.opcode = MMC_SWITCH; + cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) | + (EXT_CSD_BUS_WIDTH << 16) | + (EXT_CSD_BUS_WIDTH_4 << 8) | + EXT_CSD_CMD_SET_NORMAL; + cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; + + err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES); + if (err != MMC_ERR_NONE) { + printk("%s: failed to switch card to " + "mmc v4 4-bit bus mode.\n", + mmc_hostname(card->host)); + continue; + } + + host->ios.bus_width = MMC_BUS_WIDTH_4; } kfree(ext_csd); -- cgit v1.2.3 From 73778120c4088a0a7b59c4c378904f7a230b4820 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 22 Oct 2006 22:13:10 +0200 Subject: mmc: Fix mmc_delay() function Several fixes for mmc_delay(): * Repair if-clause that was supposed to detect sub-hz delays. * Change yield() to cond_resched() as yield() no longer has the semantics we desire. * mmc_delay() is used to guarantee protocol delays, so we cannot return early (i.e. use _interruptable). Based on patch by Amol Lad. Signed-off-by: Pierre Ossman --- drivers/mmc/mmc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 1593a6a632c..82b7643c165 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -454,11 +454,11 @@ static void mmc_deselect_cards(struct mmc_host *host) static inline void mmc_delay(unsigned int ms) { - if (ms < HZ / 1000) { - yield(); + if (ms < 1000 / HZ) { + cond_resched(); mdelay(ms); } else { - msleep_interruptible (ms); + msleep(ms); } } -- cgit v1.2.3 From 7ccd266e676a3f0c6f8f897f58b684cac3dd1650 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Wed, 8 Nov 2006 23:03:10 +0100 Subject: mmc: Support for high speed SD cards Modern SD cards support a clock speed of 50 MHz. Make sure we test for this capability and do the song and dance required to activate it. Activating high speed support actually modifies the TRAN_SPEED field of the CSD. But as the spec says that the cards must report 50 MHz, we might as well skip re-reading the CSD. Signed-off-by: Pierre Ossman --- drivers/mmc/mmc.c | 122 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 118 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 82b7643c165..9d190022a49 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1157,6 +1157,116 @@ static void mmc_read_scrs(struct mmc_host *host) mmc_deselect_cards(host); } +static void mmc_read_switch_caps(struct mmc_host *host) +{ + int err; + struct mmc_card *card; + struct mmc_request mrq; + struct mmc_command cmd; + struct mmc_data data; + unsigned char *status; + struct scatterlist sg; + + status = kmalloc(64, GFP_KERNEL); + if (!status) { + printk(KERN_WARNING "%s: Unable to allocate buffer for " + "reading switch capabilities.\n", + mmc_hostname(host)); + return; + } + + list_for_each_entry(card, &host->cards, node) { + if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT)) + continue; + if (!mmc_card_sd(card)) + continue; + if (card->scr.sda_vsn < SCR_SPEC_VER_1) + continue; + + err = mmc_select_card(host, card); + if (err != MMC_ERR_NONE) { + mmc_card_set_dead(card); + continue; + } + + memset(&cmd, 0, sizeof(struct mmc_command)); + + cmd.opcode = SD_SWITCH; + cmd.arg = 0x00FFFFF1; + cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; + + memset(&data, 0, sizeof(struct mmc_data)); + + mmc_set_data_timeout(&data, card, 0); + + data.blksz = 64; + data.blocks = 1; + data.flags = MMC_DATA_READ; + data.sg = &sg; + data.sg_len = 1; + + memset(&mrq, 0, sizeof(struct mmc_request)); + + mrq.cmd = &cmd; + mrq.data = &data; + + sg_init_one(&sg, status, 64); + + mmc_wait_for_req(host, &mrq); + + if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { + mmc_card_set_dead(card); + continue; + } + + if (status[13] & 0x02) + card->sw_caps.hs_max_dtr = 50000000; + + memset(&cmd, 0, sizeof(struct mmc_command)); + + cmd.opcode = SD_SWITCH; + cmd.arg = 0x80FFFFF1; + cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; + + memset(&data, 0, sizeof(struct mmc_data)); + + mmc_set_data_timeout(&data, card, 0); + + data.blksz = 64; + data.blocks = 1; + data.flags = MMC_DATA_READ; + data.sg = &sg; + data.sg_len = 1; + + memset(&mrq, 0, sizeof(struct mmc_request)); + + mrq.cmd = &cmd; + mrq.data = &data; + + sg_init_one(&sg, status, 64); + + mmc_wait_for_req(host, &mrq); + + if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) { + mmc_card_set_dead(card); + continue; + } + + if ((status[16] & 0xF) != 1) { + printk(KERN_WARNING "%s: Problem switching card " + "into high-speed mode!\n", + mmc_hostname(host)); + continue; + } + + mmc_card_set_highspeed(card); + } + + kfree(status); + + mmc_deselect_cards(host); +} + static unsigned int mmc_calculate_clock(struct mmc_host *host) { struct mmc_card *card; @@ -1164,9 +1274,12 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host) list_for_each_entry(card, &host->cards, node) if (!mmc_card_dead(card)) { - if (mmc_card_highspeed(card)) { + if (mmc_card_highspeed(card) && mmc_card_sd(card)) { + if (max_dtr > card->sw_caps.hs_max_dtr) + max_dtr = card->sw_caps.hs_max_dtr; + } else if (mmc_card_highspeed(card) && !mmc_card_sd(card)) { if (max_dtr > card->ext_csd.hs_max_dtr) - max_dtr = card->ext_csd.hs_max_dtr; + max_dtr = card->ext_csd.hs_max_dtr; } else if (max_dtr > card->csd.max_dtr) { max_dtr = card->csd.max_dtr; } @@ -1288,9 +1401,10 @@ static void mmc_setup(struct mmc_host *host) mmc_read_csds(host); - if (host->mode == MMC_MODE_SD) + if (host->mode == MMC_MODE_SD) { mmc_read_scrs(host); - else + mmc_read_switch_caps(host); + } else mmc_process_ext_csds(host); } -- cgit v1.2.3 From 077df884835ebf2b5db16aacd9a24691d89902a0 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Wed, 8 Nov 2006 23:06:35 +0100 Subject: mmc: sdhci high speed support The SDHCI spec implies that is is incorrect to set a clock frequency above 25 MHz without setting the high speed bit. Signed-off-by: Pierre Ossman --- drivers/mmc/sdhci.c | 15 +++++++++++++++ drivers/mmc/sdhci.h | 2 ++ 2 files changed, 17 insertions(+) (limited to 'drivers') diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 54990ed2677..cd98117632d 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -616,6 +616,7 @@ static void sdhci_finish_command(struct sdhci_host *host) static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) { int div; + u8 ctrl; u16 clk; unsigned long timeout; @@ -624,6 +625,13 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); + ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL); + if (clock > 25000000) + ctrl |= SDHCI_CTRL_HISPD; + else + ctrl &= ~SDHCI_CTRL_HISPD; + writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); + if (clock == 0) goto out; @@ -1291,6 +1299,13 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) else if (caps & SDHCI_CAN_VDD_180) mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19; + if ((host->max_clk > 25000000) && !(caps & SDHCI_CAN_DO_HISPD)) { + printk(KERN_ERR "%s: Controller reports > 25 MHz base clock," + " but no high speed support.\n", + host->slot_descr); + mmc->f_max = 25000000; + } + if (mmc->ocr_avail == 0) { printk(KERN_ERR "%s: Hardware doesn't report any " "support voltages.\n", host->slot_descr); diff --git a/drivers/mmc/sdhci.h b/drivers/mmc/sdhci.h index 72a67937afe..f9d1a0a6f03 100644 --- a/drivers/mmc/sdhci.h +++ b/drivers/mmc/sdhci.h @@ -71,6 +71,7 @@ #define SDHCI_HOST_CONTROL 0x28 #define SDHCI_CTRL_LED 0x01 #define SDHCI_CTRL_4BITBUS 0x02 +#define SDHCI_CTRL_HISPD 0x04 #define SDHCI_POWER_CONTROL 0x29 #define SDHCI_POWER_ON 0x01 @@ -138,6 +139,7 @@ #define SDHCI_CLOCK_BASE_SHIFT 8 #define SDHCI_MAX_BLOCK_MASK 0x00030000 #define SDHCI_MAX_BLOCK_SHIFT 16 +#define SDHCI_CAN_DO_HISPD 0x00200000 #define SDHCI_CAN_DO_DMA 0x00400000 #define SDHCI_CAN_VDD_330 0x01000000 #define SDHCI_CAN_VDD_300 0x02000000 -- cgit v1.2.3 From 89b4e133afea9fce333054b94d89953583a55c19 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Tue, 14 Nov 2006 22:08:16 +0100 Subject: mmc: Flush block queue when removing card After mmc_block's remove function has exited, we must not touch the card structure in any way. This means we not only must remove the gendisk, we must also flush out any remaning requests already queued up. We previously removed the disk, but didn't flush it, causing oops:es when removing a card in the middle of a transfer. Signed-off-by: Pierre Ossman --- drivers/mmc/mmc_block.c | 8 +++----- drivers/mmc/mmc_queue.c | 22 ++++++++++++++++++++++ 2 files changed, 25 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index f9027c8db79..5025abebfc8 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -83,7 +83,6 @@ static void mmc_blk_put(struct mmc_blk_data *md) md->usage--; if (md->usage == 0) { put_disk(md->disk); - mmc_cleanup_queue(&md->queue); kfree(md); } mutex_unlock(&open_lock); @@ -553,12 +552,11 @@ static void mmc_blk_remove(struct mmc_card *card) if (md) { int devidx; + /* Stop new requests from getting into the queue */ del_gendisk(md->disk); - /* - * I think this is needed. - */ - md->disk->queue = NULL; + /* Then flush out any already in there */ + mmc_cleanup_queue(&md->queue); devidx = md->disk->first_minor >> MMC_SHIFT; __clear_bit(devidx, dev_use); diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 4e6a534e91d..5fa72ccb4fe 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -103,6 +103,19 @@ static int mmc_queue_thread(void *d) static void mmc_request(request_queue_t *q) { struct mmc_queue *mq = q->queuedata; + struct request *req; + int ret; + + if (!mq) { + printk(KERN_ERR "MMC: killing requests for dead queue\n"); + while ((req = elv_next_request(q)) != NULL) { + do { + ret = end_that_request_chunk(req, 0, + req->current_nr_sectors << 9); + } while (ret); + } + return; + } if (!mq->req) wake_up_process(mq->thread); @@ -168,6 +181,15 @@ EXPORT_SYMBOL(mmc_init_queue); void mmc_cleanup_queue(struct mmc_queue *mq) { + request_queue_t *q = mq->queue; + unsigned long flags; + + /* Mark that we should start throwing out stragglers */ + spin_lock_irqsave(q->queue_lock, flags); + q->queuedata = NULL; + spin_unlock_irqrestore(q->queue_lock, flags); + + /* Then terminate our worker thread */ kthread_stop(mq->thread); kfree(mq->sg); -- cgit v1.2.3 From 8b7feff881b7e9f065ddd718a6841121207c3c19 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Tue, 14 Nov 2006 22:13:13 +0100 Subject: mmc: correct request error handling We need to jump to the part of just flushing the request when we cannot claim the bus. Sending commands to a bus we do not own will give unpredictable results. Signed-off-by: Pierre Ossman --- drivers/mmc/mmc_block.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index 5025abebfc8..87713572293 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -224,10 +224,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_blk_data *md = mq->data; struct mmc_card *card = md->queue.card; struct mmc_blk_request brq; - int ret; + int ret = 1; if (mmc_card_claim_host(card)) - goto cmd_err; + goto flush_queue; do { struct mmc_command cmd; @@ -344,8 +344,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) return 1; cmd_err: - ret = 1; - /* * If this is an SD card and we're writing, we can first * mark the known good sectors as ok. @@ -379,6 +377,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) mmc_card_release_host(card); +flush_queue: spin_lock_irq(&md->lock); while (ret) { ret = end_that_request_chunk(req, 0, -- cgit v1.2.3 From 437052516779fea608261a50682b124315f48f01 Mon Sep 17 00:00:00 2001 From: "inaky@linux.intel.com" Date: Wed, 11 Oct 2006 20:05:58 -0700 Subject: usb/hub: allow hubs up to 31 children Current Wireless USB host hardware (Intel i1480 for example) allows up to 22 devices to connect, thus bringing up the max number of children in the WUSB Host Controller to 22 'fake' ports. Upcoming hardware might raise that limit. Makes almost no difference to go to 31, as the bit arrays are byte-aligned (plus an extra bit in general), so 22 bits fit in 4 bytes as 31 do. As well, the only other array that depends on USB_MAXCHILDREN is 'struct usb_hub->indicator'. By declaring it 'u8' instead of 'enum hub_led_mode', we reduce the size of each entry from 4 bytes (in i386) to 1, which will add as we when are doubling USB_MAXCHILDREN (with 16 the size of that array is 64 bytes, with 31 would be 128; by using u8 that goes down to 31 bytes). Signed-off-by: Inaky Perez-Gonzalez Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hub.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 0f8e82a4d48..1b05994de4d 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -229,7 +229,7 @@ struct usb_hub { unsigned resume_root_hub:1; unsigned has_indicators:1; - enum hub_led_mode indicator[USB_MAXCHILDREN]; + u8 indicator[USB_MAXCHILDREN]; struct work_struct leds; }; -- cgit v1.2.3 From 88fafff9d73c0a506c0b08e7cd637c89d8b604e1 Mon Sep 17 00:00:00 2001 From: "inaky@linux.intel.com" Date: Wed, 11 Oct 2006 20:05:59 -0700 Subject: usb hub: fix root hub code so it takes more than 15 devices per root hub Wireless USB Host Controllers accept a large number of devices per host, which shows up as a large number of ports in its root hub. When the number of ports in a hub device goes over 16, the activation of the hub fails with the cryptic message in klogd. hub 2-0:1.0: activate --> -22 Following this further, it was seen that: hub_probe() hub_configure() generates pipe number pseudo allocates buffer 'maxp' bytes in size using usb_maxpacket() The endpoint descriptor for a root hub interrupt endpoint is declared in drivers/usb/core/hcd.c:hs_rh_config_descriptor and declares it to be size two (supporting 15 devices max). hub_activate() usb_hcd_submit_urb() rh_urb_enqueue() urb->pipe is neither int nor ctl, so it errors out rh_queue_status() Returns -EINVAL because the buffer length is smaller than the minimum needed to report all the hub port bits as in accordance with USB2.0[11.12.3]. There has to be trunc((PORTS + 1 + 7) / 8) bytes of space at least. Alan Stern confirmed that the reason for reading maxpktsize and not the right amount is because some hubs are known to return more data and thus cause overflow. So this patch simply changes the code to make the interrupt endpoint's max packet size be at least the minimum required by USB_MAXCHILDREN (instead of a fixed magic number) and add documentation for that. This way we are always ahead of the limit. Signed-off-by: Inaky Perez-Gonzalez Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 4 +++- drivers/usb/core/hub.c | 7 ++++++- 2 files changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index afa2dd20332..10064af65d1 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -256,7 +256,9 @@ static const u8 hs_rh_config_descriptor [] = { 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 0x03, /* __u8 ep_bmAttributes; Interrupt */ - 0x02, 0x00, /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */ + /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) + * see hub.c:hub_configure() for details. */ + (USB_MAXCHILDREN + 1 + 7) / 8, 0x00, 0x0c /* __u8 ep_bInterval; (256ms -- usb 2.0 spec) */ }; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index ba165aff9ea..c91745def9e 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -759,7 +759,12 @@ static int hub_configure(struct usb_hub *hub, dev_dbg(hub_dev, "%sover-current condition exists\n", (hubstatus & HUB_STATUS_OVERCURRENT) ? "" : "no "); - /* set up the interrupt endpoint */ + /* set up the interrupt endpoint + * We use the EP's maxpacket size instead of (PORTS+1+7)/8 + * bytes as USB2.0[11.12.3] says because some hubs are known + * to send more data (and thus cause overflow). For root hubs, + * maxpktsize is defined in hcd.c's fake endpoint descriptors + * to be big enough for at least USB_MAXCHILDREN ports. */ pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress); maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe)); -- cgit v1.2.3 From 6d8fc4d28deaf828606c19fb743fbe94aeab4caf Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 18 Oct 2006 12:35:24 -0400 Subject: USB HID: Handle STALL on interrupt endpoint The USB HID driver doesn't include any code to handle a STALL on the interrupt endpoint. While this may be uncommon, it does happen sometimes. This patch (as805) adds a fix. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/hid-core.c | 39 ++++++++++++++++++++++++++------------- drivers/usb/input/hid.h | 1 + 2 files changed, 27 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 6d08a3bcc95..5de931cf4cf 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -968,20 +968,29 @@ static void hid_retry_timeout(unsigned long _hid) hid_io_error(hid); } -/* Workqueue routine to reset the device */ +/* Workqueue routine to reset the device or clear a halt */ static void hid_reset(void *_hid) { struct hid_device *hid = (struct hid_device *) _hid; - int rc_lock, rc; - - dev_dbg(&hid->intf->dev, "resetting device\n"); - rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf); - if (rc_lock >= 0) { - rc = usb_reset_composite_device(hid->dev, hid->intf); - if (rc_lock) - usb_unlock_device(hid->dev); + int rc_lock, rc = 0; + + if (test_bit(HID_CLEAR_HALT, &hid->iofl)) { + dev_dbg(&hid->intf->dev, "clear halt\n"); + rc = usb_clear_halt(hid->dev, hid->urbin->pipe); + clear_bit(HID_CLEAR_HALT, &hid->iofl); + hid_start_in(hid); + } + + else if (test_bit(HID_RESET_PENDING, &hid->iofl)) { + dev_dbg(&hid->intf->dev, "resetting device\n"); + rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf); + if (rc_lock >= 0) { + rc = usb_reset_composite_device(hid->dev, hid->intf); + if (rc_lock) + usb_unlock_device(hid->dev); + } + clear_bit(HID_RESET_PENDING, &hid->iofl); } - clear_bit(HID_RESET_PENDING, &hid->iofl); switch (rc) { case 0: @@ -1023,9 +1032,8 @@ static void hid_io_error(struct hid_device *hid) /* Retries failed, so do a port reset */ if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) { - if (schedule_work(&hid->reset_work)) - goto done; - clear_bit(HID_RESET_PENDING, &hid->iofl); + schedule_work(&hid->reset_work); + goto done; } } @@ -1049,6 +1057,11 @@ static void hid_irq_in(struct urb *urb) hid->retry_delay = 0; hid_input_report(HID_INPUT_REPORT, urb, 1); break; + case -EPIPE: /* stall */ + clear_bit(HID_IN_RUNNING, &hid->iofl); + set_bit(HID_CLEAR_HALT, &hid->iofl); + schedule_work(&hid->reset_work); + return; case -ECONNRESET: /* unlink */ case -ENOENT: case -ESHUTDOWN: /* unplug */ diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index 0e76e6dcac3..2a9bf07944c 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -385,6 +385,7 @@ struct hid_control_fifo { #define HID_IN_RUNNING 3 #define HID_RESET_PENDING 4 #define HID_SUSPENDED 5 +#define HID_CLEAR_HALT 6 struct hid_input { struct list_head list; -- cgit v1.2.3 From 93c8bf45e083b89dffe3a708363c15c1b220c723 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 18 Oct 2006 16:41:51 -0400 Subject: USB core: don't match interface descriptors for vendor-specific devices This patch (as804) makes USB driver matching ignore the interface class, subclass, and protocol if the device class is Vendor Specific. Drivers can override this policy by specifying a Vendor ID as part of the match; then vendor-specific matches are allowed. Linus Walleij has reported a problem this patch fixes. When a particular mass-storage device is switched from mass-storage mode to Media Transfer Protocol, the interface class remains set to mass-storage and usb-storage binds to it erroneously, even though the device class changes to Vendor-Specific. This may cause a problem for some drivers until their match records can be updated to include Vendor IDs. But if it does, then those records were broken to begin with. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 113e484c763..401d76f1341 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -408,6 +408,16 @@ static int usb_match_one_id(struct usb_interface *interface, (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) return 0; + /* The interface class, subclass, and protocol should never be + * checked for a match if the device class is Vendor Specific, + * unless the match record specifies the Vendor ID. */ + if (dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC && + !(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && + (id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS | + USB_DEVICE_ID_MATCH_INT_SUBCLASS | + USB_DEVICE_ID_MATCH_INT_PROTOCOL))) + return 0; + if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) && (id->bInterfaceClass != intf->desc.bInterfaceClass)) return 0; @@ -476,7 +486,17 @@ static int usb_match_one_id(struct usb_interface *interface, * most general; they let drivers bind to any interface on a * multiple-function device. Use the USB_INTERFACE_INFO * macro, or its siblings, to match class-per-interface style - * devices (as recorded in bDeviceClass). + * devices (as recorded in bInterfaceClass). + * + * Note that an entry created by USB_INTERFACE_INFO won't match + * any interface if the device class is set to Vendor-Specific. + * This is deliberate; according to the USB spec the meanings of + * the interface class/subclass/protocol for these devices are also + * vendor-specific, and hence matching against a standard product + * class wouldn't work anyway. If you really want to use an + * interface-based match for such a device, create a match record + * that also specifies the vendor ID. (Unforunately there isn't a + * standard macro for creating records like this.) * * Within those groups, remember that not all combinations are * meaningful. For example, don't give a product version range -- cgit v1.2.3 From b1878440d46a0dc357ed5c9687c534e20955e940 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Tue, 24 Oct 2006 12:02:31 -0400 Subject: USB: ohci-hcd: fix compiler warning This patch (as806) fixes a compiler warning when ohci-hcd is built with CONFIG_PM turned off. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hub.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 6995ea36f2e..99357b99d13 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -50,6 +50,10 @@ static void ohci_rhsc_enable (struct usb_hcd *hcd) static void dl_done_list (struct ohci_hcd *); static void finish_unlinks (struct ohci_hcd *, u16); +#ifdef CONFIG_PM +static int ohci_restart(struct ohci_hcd *ohci); +#endif + static int ohci_rh_suspend (struct ohci_hcd *ohci, int autostop) __releases(ohci->lock) __acquires(ohci->lock) @@ -132,8 +136,6 @@ static inline struct ed *find_head (struct ed *ed) return ed; } -static int ohci_restart (struct ohci_hcd *ohci); - /* caller has locked the root hub */ static int ohci_rh_resume (struct ohci_hcd *ohci) __releases(ohci->lock) -- cgit v1.2.3 From 052ac01aeb84d8427ba8ac3d70991ac01b009b59 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 27 Oct 2006 10:33:11 -0400 Subject: USB: OHCI: disable RHSC inside interrupt handler This patch (as808b) moves the Root Hub Status Change interrupt-disable code in ohci-hcd back into the interrupt handler proper, to avoid the chance of adverse interactions with mediocre hardware implementations. It also deletes the root-hub status timer from within the interrupt-enable routine. There's no need to poll for status any more once interrupts are re-enabled. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hcd.c | 10 ++++++++++ drivers/usb/host/ohci-hub.c | 24 ++++++++---------------- 2 files changed, 18 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ea4714e557e..a95275a401b 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -729,6 +729,16 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) ohci->next_statechange = jiffies + STATECHANGE_DELAY; ohci_writel(ohci, OHCI_INTR_RD | OHCI_INTR_RHSC, ®s->intrstatus); + + /* NOTE: Vendors didn't always make the same implementation + * choices for RHSC. Many followed the spec; RHSC triggers + * on an edge, like setting and maybe clearing a port status + * change bit. With others it's level-triggered, active + * until khubd clears all the port status change bits. We'll + * always disable it here and rely on polling until khubd + * re-enables it. + */ + ohci_writel(ohci, OHCI_INTR_RHSC, ®s->intrdisable); usb_hcd_poll_rh_status(hcd); } diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 99357b99d13..1e5ed3bb1a9 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -41,7 +41,11 @@ static void ohci_rhsc_enable (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); - ohci_writel (ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable); + spin_lock_irq(&ohci->lock); + if (!ohci->autostop) + del_timer(&hcd->rh_timer); /* Prevent next poll */ + ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable); + spin_unlock_irq(&ohci->lock); } #define OHCI_SCHED_ENABLES \ @@ -348,7 +352,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); int i, changed = 0, length = 1; - int any_connected = 0, rhsc_enabled = 1; + int any_connected = 0; unsigned long flags; spin_lock_irqsave (&ohci->lock, flags); @@ -389,19 +393,6 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) } } - /* NOTE: vendors didn't always make the same implementation - * choices for RHSC. Sometimes it triggers on an edge (like - * setting and maybe clearing a port status change bit); and - * it's level-triggered on other silicon, active until khubd - * clears all active port status change bits. If it's still - * set (level-triggered) we must disable it and rely on - * polling until khubd re-enables it. - */ - if (ohci_readl (ohci, &ohci->regs->intrstatus) & OHCI_INTR_RHSC) { - ohci_writel (ohci, OHCI_INTR_RHSC, &ohci->regs->intrdisable); - (void) ohci_readl (ohci, &ohci->regs->intrdisable); - rhsc_enabled = 0; - } hcd->poll_rh = 1; /* carry out appropriate state changes */ @@ -412,7 +403,8 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) * and RHSC is enabled */ if (!ohci->autostop) { if (any_connected) { - if (rhsc_enabled) + if (ohci_readl(ohci, &ohci->regs->intrenable) & + OHCI_INTR_RHSC) hcd->poll_rh = 0; } else { ohci->autostop = 1; -- cgit v1.2.3 From 5d7efe5b3768bf53df9b87380ea68baacf11f933 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Thu, 26 Oct 2006 21:06:24 +0200 Subject: USB: kmemdup() cleanup in drivers/usb/ replace open coded kmemdup() to save some screen space, and allow inlining/not inlining to be triggered by gcc. Signed-off-by: Eric Sesterhenn Signed-off-by: Greg Kroah-Hartman --- drivers/usb/atm/ueagle-atm.c | 10 +++------- drivers/usb/misc/emi26.c | 3 +-- drivers/usb/misc/emi62.c | 3 +-- drivers/usb/serial/ezusb.c | 3 +-- drivers/usb/serial/ipw.c | 3 +-- 5 files changed, 7 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index f6b9f7e1f71..c137c041f7a 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -401,9 +401,8 @@ static int uea_send_modem_cmd(struct usb_device *usb, int ret = -ENOMEM; u8 *xfer_buff; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(buff, size, GFP_KERNEL); if (xfer_buff) { - memcpy(xfer_buff, buff, size); ret = usb_control_msg(usb, usb_sndctrlpipe(usb, 0), LOAD_INTERNAL, @@ -595,14 +594,12 @@ static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) u8 *xfer_buff; int bytes_read; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(data, size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } - memcpy(xfer_buff, data, size); - ret = usb_bulk_msg(sc->usb_dev, usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), xfer_buff, size, &bytes_read, BULK_TIMEOUT); @@ -765,12 +762,11 @@ static int uea_request(struct uea_softc *sc, u8 *xfer_buff; int ret = -ENOMEM; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(data, size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } - memcpy(xfer_buff, data, size); ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), UCDC_SEND_ENCAPSULATED_COMMAND, diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index 1fd9cb85f4c..5c0a26cbd12 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -53,13 +53,12 @@ static void __exit emi26_exit (void); static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; - unsigned char *buffer = kmalloc (length, GFP_KERNEL); + unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); if (!buffer) { err("emi26: kmalloc(%d) failed.", length); return -ENOMEM; } - memcpy (buffer, data, length); /* Note: usb_control_msg returns negative value on error or length of the * data that was written! */ result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index fe351371f27..23153eac0df 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -61,13 +61,12 @@ static void __exit emi62_exit (void); static int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; - unsigned char *buffer = kmalloc (length, GFP_KERNEL); + unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); if (!buffer) { err("emi62: kmalloc(%d) failed.", length); return -ENOMEM; } - memcpy (buffer, data, length); /* Note: usb_control_msg returns negative value on error or length of the * data that was written! */ result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c index 5169c2d154a..97ee718b1da 100644 --- a/drivers/usb/serial/ezusb.c +++ b/drivers/usb/serial/ezusb.c @@ -31,12 +31,11 @@ int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *da return -ENODEV; } - transfer_buffer = kmalloc (length, GFP_KERNEL); + transfer_buffer = kmemdup(data, length, GFP_KERNEL); if (!transfer_buffer) { dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__, length); return -ENOMEM; } - memcpy (transfer_buffer, data, length); result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), bRequest, 0x40, address, 0, transfer_buffer, length, 3000); kfree (transfer_buffer); return result; diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 2a4bb66691a..d3b9a351cef 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -206,10 +206,9 @@ static int ipw_open(struct usb_serial_port *port, struct file *filp) dbg("%s", __FUNCTION__); - buf_flow_init = kmalloc(16, GFP_KERNEL); + buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL); if (!buf_flow_init) return -ENOMEM; - memcpy(buf_flow_init, buf_flow_static, 16); if (port->tty) port->tty->low_latency = 1; -- cgit v1.2.3 From 565402baee99096da4d79209e450fe42d379a0ca Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Fri, 27 Oct 2006 10:35:01 -0400 Subject: USB: OHCI: remove stale testing code from root-hub resume This patch (as811) removes some stale testing code from the root-hub resume routine in ohci-hcd. It also adds a spin_lock_irq() call that inadvertently got left out of an error pathway. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hub.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 1e5ed3bb1a9..dcf9eb60132 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -204,18 +204,6 @@ __acquires(ohci->lock) goto skip_resume; spin_unlock_irq (&ohci->lock); - temp = ohci->num_ports; - while (temp--) { - u32 stat = ohci_readl (ohci, - &ohci->regs->roothub.portstatus [temp]); - - /* force global, not selective, resume */ - if (!(stat & RH_PS_PSS)) - continue; - ohci_writel (ohci, RH_PS_POCI, - &ohci->regs->roothub.portstatus [temp]); - } - /* Some controllers (lucent erratum) need extra-long delays */ msleep (20 /* usb 11.5.1.10 */ + 12 /* 32 msec counter */ + 1); @@ -223,6 +211,7 @@ __acquires(ohci->lock) temp &= OHCI_CTRL_HCFS; if (temp != OHCI_USB_RESUME) { ohci_err (ohci, "controller won't resume\n"); + spin_lock_irq(&ohci->lock); return -EBUSY; } -- cgit v1.2.3 From 377f13bf95b64cf5fb0fad0bf2b94106ad868562 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:45 -0300 Subject: USB: aircable: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/aircable.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 81227550913..8554c1a7b9f 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -305,9 +305,7 @@ static int aircable_probe(struct usb_serial *serial, for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { endpoint = &iface_desc->endpoint[i].desc; - if (((endpoint->bEndpointAddress & 0x80) == 0x00) && - ((endpoint->bmAttributes & 3) == 0x02)) { - /* we found our bulk out endpoint */ + if (usb_endpoint_is_bulk_out(endpoint)) { dbg("found bulk out on endpoint %d", i); ++num_bulk_out; } -- cgit v1.2.3 From 16f96376174bfbcb1b40734f83f5701161a5e63b Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:46 -0300 Subject: USB: appledisplay: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/appledisplay.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 6b23a1def9f..ba30ca6a14a 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -216,10 +216,7 @@ static int appledisplay_probe(struct usb_interface *iface, iface_desc = iface->cur_altsetting; for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { endpoint = &iface_desc->endpoint[i].desc; - if (!int_in_endpointAddr && - (endpoint->bEndpointAddress & USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_INT)) { + if (!int_in_endpointAddr && usb_endpoint_is_int_in(endpoint)) { /* we found an interrupt in endpoint */ int_in_endpointAddr = endpoint->bEndpointAddress; break; -- cgit v1.2.3 From b333d5bfd7d3791f91c678f3f5033c82b1e2b46f Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:47 -0300 Subject: USB: cdc_ether: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/cdc_ether.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/net/cdc_ether.c b/drivers/usb/net/cdc_ether.c index f6971b88349..44a91547146 100644 --- a/drivers/usb/net/cdc_ether.c +++ b/drivers/usb/net/cdc_ether.c @@ -200,8 +200,7 @@ next_desc: dev->status = &info->control->cur_altsetting->endpoint [0]; desc = &dev->status->desc; - if (desc->bmAttributes != USB_ENDPOINT_XFER_INT - || !(desc->bEndpointAddress & USB_DIR_IN) + if (!usb_endpoint_is_int_in(desc) || (le16_to_cpu(desc->wMaxPacketSize) < sizeof(struct usb_cdc_notification)) || !desc->bInterval) { -- cgit v1.2.3 From 45aea704d12d05f06b3f82974aa1438460f42398 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:48 -0300 Subject: USB: cdc-acm: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 9a9012fd284..ec3438dc8ee 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -892,7 +892,7 @@ skip_normal_probe: /* workaround for switched endpoints */ - if ((epread->bEndpointAddress & USB_DIR_IN) != USB_DIR_IN) { + if (!usb_endpoint_dir_in(epread)) { /* descriptors are swapped */ struct usb_endpoint_descriptor *t; dev_dbg(&intf->dev,"The data interface has switched endpoints"); -- cgit v1.2.3 From 87ad46c94ec74f1750764c12744410ed524f9900 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:49 -0300 Subject: USB: devices: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/devices.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 3538c2fdadf..ea398e5d50a 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -175,12 +175,13 @@ static char *usb_dump_endpoint_descriptor ( ) { char dir, unit, *type; - unsigned interval, in, bandwidth = 1; + unsigned interval, bandwidth = 1; if (start > end) return start; - in = (desc->bEndpointAddress & USB_DIR_IN); - dir = in ? 'I' : 'O'; + + dir = usb_endpoint_dir_in(desc) ? 'I' : 'O'; + if (speed == USB_SPEED_HIGH) { switch (le16_to_cpu(desc->wMaxPacketSize) & (0x03 << 11)) { case 1 << 11: bandwidth = 2; break; @@ -204,7 +205,7 @@ static char *usb_dump_endpoint_descriptor ( break; case USB_ENDPOINT_XFER_BULK: type = "Bulk"; - if (speed == USB_SPEED_HIGH && !in) /* uframes per NAK */ + if (speed == USB_SPEED_HIGH && dir == 'O') /* uframes per NAK */ interval = desc->bInterval; else interval = 0; -- cgit v1.2.3 From 2ae7745beac6de54a47ed19fe441f1d45aa96172 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:50 -0300 Subject: USB: ftdi-elan: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/ftdi-elan.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 9b591b8b936..0e8ee2dea88 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -2633,10 +2633,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; if (!ftdi->bulk_in_endpointAddr && - ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_IN) && ((endpoint->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) - { + usb_endpoint_is_bulk_in(endpoint)) { buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); ftdi->bulk_in_size = buffer_size; ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress; @@ -2649,10 +2646,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, } } if (!ftdi->bulk_out_endpointAddr && - ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_OUT) && ((endpoint->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) - { + usb_endpoint_is_bulk_out(endpoint)) { ftdi->bulk_out_endpointAddr = endpoint->bEndpointAddress; } -- cgit v1.2.3 From 0f12aa03972e797129c79a236d2872f2ee5d25b6 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:51 -0300 Subject: USB: hid-core: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/hid-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 5de931cf4cf..2c12b04da11 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1998,7 +1998,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0) interval = hid_mousepoll_interval; - if (endpoint->bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(endpoint)) { if (hid->urbin) continue; if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL))) -- cgit v1.2.3 From a7dc218b8f61d58fcf27ee5650e340d7baff74c4 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:52 -0300 Subject: USB: idmouse: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/idmouse.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 8e6e195a22b..c5fee0033a8 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -350,11 +350,7 @@ static int idmouse_probe(struct usb_interface *interface, /* set up the endpoint information - use only the first bulk-in endpoint */ endpoint = &iface_desc->endpoint[0].desc; - if (!dev->bulk_in_endpointAddr - && (endpoint->bEndpointAddress & USB_DIR_IN) - && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK)) { - + if (!dev->bulk_in_endpointAddr && usb_endpoint_is_bulk_in(endpoint)) { /* we found a bulk in endpoint */ dev->orig_bi_size = le16_to_cpu(endpoint->wMaxPacketSize); dev->bulk_in_size = 0x200; /* works _much_ faster */ -- cgit v1.2.3 From 4f1f1ddd73d04e8d41c010934d81122d1a632e4e Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:53 -0300 Subject: USB: kobil_sct: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/kobil_sct.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index ff03331e0bc..8dd2afa2fca 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -185,13 +185,11 @@ static int kobil_startup (struct usb_serial *serial) for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { endpoint = &altsetting->endpoint[i]; - if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) && - ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { + if (usb_endpoint_is_int_out(&endpoint->desc)) { dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress); priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress; } - if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && - ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { + if (usb_endpoint_is_int_in(&endpoint->desc)) { dbg("%s Found interrupt in endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress); priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress; } -- cgit v1.2.3 From 240661c55646401df64411e04ba5833c411c42bc Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:54 -0300 Subject: USB: legousbtower: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/legousbtower.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 27089497e71..f8611997bd7 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -898,14 +898,11 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; - if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { - dev->interrupt_in_endpoint = endpoint; - } - - if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { - dev->interrupt_out_endpoint = endpoint; + if (usb_endpoint_xfer_int(endpoint)) { + if (usb_endpoint_dir_in(endpoint)) + dev->interrupt_in_endpoint = endpoint; + else + dev->interrupt_out_endpoint = endpoint; } } if(dev->interrupt_in_endpoint == NULL) { -- cgit v1.2.3 From 66722a194ef96a09ac12d0fe2f9e206f86c29c9f Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:55 -0300 Subject: USB: onetouch: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/onetouch.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 3baf448e300..3a158d58441 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -142,10 +142,7 @@ int onetouch_connect_input(struct us_data *ss) return -ENODEV; endpoint = &interface->endpoint[2].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); -- cgit v1.2.3 From 8419404949488bba4504005c0d1180fb07bef740 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:56 -0300 Subject: USB: phidgetkit: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/phidgetkit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index abb4dcd811a..0dc0d034cc9 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -551,7 +551,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & 0x80)) + if (!usb_endpoint_dir_in(endpoint)) return -ENODEV; /* * bmAttributes -- cgit v1.2.3 From a742e5a7fc5b179e2482b85e875fc99192cead74 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:57 -0300 Subject: USB: phidgetmotorcontrol: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/phidgetmotorcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 5c780cab92e..7702a4f7b08 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -323,7 +323,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & 0x80)) + if (!usb_endpoint_dir_in(endpoint)) return -ENODEV; /* -- cgit v1.2.3 From c5dd1f94246acdf6be6796db47efba8b2a93f93e Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:58 -0300 Subject: USB: speedtch: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/atm/speedtch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index c870c804470..a823486495c 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -834,8 +834,8 @@ static int speedtch_bind(struct usbatm_data *usbatm, const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; if ((endpoint_desc->bEndpointAddress == target_address)) { - use_isoc = (endpoint_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC; + use_isoc = + usb_endpoint_xfer_isoc(endpoint_desc); break; } } -- cgit v1.2.3 From a20c314412b9e9e029a73dbb4dd951e36499eb58 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:02:59 -0300 Subject: USB: usbkbd: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/usbkbd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index c73285cf855..b6c2ba7e05a 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -236,9 +236,7 @@ static int usb_kbd_probe(struct usb_interface *iface, return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); -- cgit v1.2.3 From 30f36ef922201cd085a598a6274ee18a360635ea Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:03:00 -0300 Subject: USB: usbmouse: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/usbmouse.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c index cbbbea332ed..68a55642c08 100644 --- a/drivers/usb/input/usbmouse.c +++ b/drivers/usb/input/usbmouse.c @@ -126,9 +126,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); -- cgit v1.2.3 From fc6e2544bdb1e7cb9f7ccbb16c268d61743b123c Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:03:01 -0300 Subject: USB: usbnet: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/usbnet.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c index 760b5327b81..7672e11c94c 100644 --- a/drivers/usb/net/usbnet.c +++ b/drivers/usb/net/usbnet.c @@ -116,7 +116,7 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) e = alt->endpoint + ep; switch (e->desc.bmAttributes) { case USB_ENDPOINT_XFER_INT: - if (!(e->desc.bEndpointAddress & USB_DIR_IN)) + if (!usb_endpoint_dir_in(&e->desc)) continue; intr = 1; /* FALLTHROUGH */ @@ -125,7 +125,7 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) default: continue; } - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!intr && !in) in = e; else if (intr && !status) -- cgit v1.2.3 From 4d823dd21d81c29a83a4672ac92e449fc5fa5cca Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:03:02 -0300 Subject: USB: usbtest: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/usbtest.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 7c2cbdf81d2..194065dbb51 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -138,7 +138,7 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) default: continue; } - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!in) in = e; } else { @@ -147,7 +147,7 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) } continue; try_iso: - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!iso_in) iso_in = e; } else { -- cgit v1.2.3 From 0472074748444529188c77f62f0714f9ff7d7556 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:03:03 -0300 Subject: USB: storage: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/usb.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index b8d6031b097..b401084b3d2 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -740,18 +740,16 @@ static int get_pipes(struct us_data *us) ep = &altsetting->endpoint[i].desc; /* Is it a BULK endpoint? */ - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK) { + if (usb_endpoint_xfer_bulk(ep)) { /* BULK in or out? */ - if (ep->bEndpointAddress & USB_DIR_IN) + if (usb_endpoint_dir_in(ep)) ep_in = ep; else ep_out = ep; } /* Is it an interrupt endpoint? */ - else if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT) { + else if (usb_endpoint_xfer_int(ep)) { ep_int = ep; } } -- cgit v1.2.3 From 6f7cd44162ca1bffd54f4090e67b9810bacb5d25 Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Thu, 26 Oct 2006 13:03:04 -0300 Subject: USB: yealink: Use usb_endpoint_* functions Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/yealink.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 905bf639825..2268ca311ad 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -859,10 +859,8 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) interface = intf->cur_altsetting; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -EIO; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) - return -EIO; + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; yld = kzalloc(sizeof(struct yealink_dev), GFP_KERNEL); if (!yld) -- cgit v1.2.3 From 0c1ac4f25f894f9df0ffe9b912c165fb6a185a3c Mon Sep 17 00:00:00 2001 From: "Luiz Fernando N. Capitulino" Date: Mon, 30 Oct 2006 14:53:03 -0300 Subject: USB: makes usb_endpoint_* functions inline. We have no benefits of having the usb_endpoint_* functions as functions, but making them inline saves text and data segment sizes: text data bss dec hex filename 14893634 3108770 1108840 19111244 1239d4c vmlinux.func 14893185 3108566 1108840 19110591 1239abf vmlinux.inline This is the result of a 2.6.19-rc3 kernel compiled with GCC 4.1.1 without CONFIG_MODULES, CONFIG_CC_OPTIMIZE_FOR_SIZE, CONFIG_REGPARM options set. USB support is fully enabled (while most of the other drivers are not), and that kernel has most of the USB code ported to use the endpoint functions. That happens because a call to those functions are expensive (in terms of bytes), while the function's size is smaller or have the same 'size' of the call. Signed-off-by: Luiz Fernando N. Capitulino Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/usb.c | 144 ------------------------------------------------- 1 file changed, 144 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 467cb02832f..a83c2d5065c 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -537,138 +537,6 @@ int usb_get_current_frame_number(struct usb_device *dev) return usb_hcd_get_frame_number (dev); } -/** - * usb_endpoint_dir_in - check if the endpoint has IN direction - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type IN, otherwise it returns false. - */ -int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); -} - -/** - * usb_endpoint_dir_out - check if the endpoint has OUT direction - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type OUT, otherwise it returns false. - */ -int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); -} - -/** - * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type bulk, otherwise it returns false. - */ -int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK); -} - -/** - * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type interrupt, otherwise it returns - * false. - */ -int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_INT); -} - -/** - * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type isochronous, otherwise it returns - * false. - */ -int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC); -} - -/** - * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has bulk transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has bulk transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd)); -} - -/** - * usb_endpoint_is_int_in - check if the endpoint is interrupt IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has interrupt transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has interrupt transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd)); -} - -/** - * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has isochronous transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has isochronous transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd)); -} - /*-------------------------------------------------------------------*/ /* * __usb_get_extra_descriptor() finds a descriptor of specific type in the @@ -1102,18 +970,6 @@ EXPORT_SYMBOL(__usb_get_extra_descriptor); EXPORT_SYMBOL(usb_find_device); EXPORT_SYMBOL(usb_get_current_frame_number); -EXPORT_SYMBOL_GPL(usb_endpoint_dir_in); -EXPORT_SYMBOL_GPL(usb_endpoint_dir_out); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_bulk); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_int); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_isoc); -EXPORT_SYMBOL_GPL(usb_endpoint_is_bulk_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_bulk_out); -EXPORT_SYMBOL_GPL(usb_endpoint_is_int_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_int_out); -EXPORT_SYMBOL_GPL(usb_endpoint_is_isoc_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_isoc_out); - EXPORT_SYMBOL (usb_buffer_alloc); EXPORT_SYMBOL (usb_buffer_free); -- cgit v1.2.3 From af4f76066d0fcb215ae389b8839d7ae37ce0e28b Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 30 Oct 2006 17:06:45 -0500 Subject: USB: autosuspend code consolidation This patch (as813) gathers together common code for USB interface autosuspend/autoresume. It also adds some simple checking at the time an autosuspend request is made, to see whether the request will fail. This way we don't add a workqueue entry when it would end up doing nothing. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 112 +++++++++++++++++++++++++++------------------- 1 file changed, 67 insertions(+), 45 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 401d76f1341..ca0e40ed2b7 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -940,6 +940,36 @@ done: return status; } +/* Internal routine to check whether we may autosuspend a device. */ +static int autosuspend_check(struct usb_device *udev) +{ + int i; + struct usb_interface *intf; + + /* For autosuspend, fail fast if anything is in use. + * Also fail if any interfaces require remote wakeup but it + * isn't available. */ + udev->do_remote_wakeup = device_may_wakeup(&udev->dev); + if (udev->pm_usage_cnt > 0) + return -EBUSY; + if (udev->actconfig) { + for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { + intf = udev->actconfig->interface[i]; + if (!is_active(intf)) + continue; + if (intf->pm_usage_cnt > 0) + return -EBUSY; + if (intf->needs_remote_wakeup && + !udev->do_remote_wakeup) { + dev_dbg(&udev->dev, "remote wakeup needed " + "for autosuspend\n"); + return -EOPNOTSUPP; + } + } + } + return 0; +} + /** * usb_suspend_both - suspend a USB device and its interfaces * @udev: the usb_device to suspend @@ -991,28 +1021,10 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg) udev->do_remote_wakeup = device_may_wakeup(&udev->dev); - /* For autosuspend, fail fast if anything is in use. - * Also fail if any interfaces require remote wakeup but it - * isn't available. */ if (udev->auto_pm) { - if (udev->pm_usage_cnt > 0) - return -EBUSY; - if (udev->actconfig) { - for (; i < udev->actconfig->desc.bNumInterfaces; i++) { - intf = udev->actconfig->interface[i]; - if (!is_active(intf)) - continue; - if (intf->pm_usage_cnt > 0) - return -EBUSY; - if (intf->needs_remote_wakeup && - !udev->do_remote_wakeup) { - dev_dbg(&udev->dev, - "remote wakeup needed for autosuspend\n"); - return -EOPNOTSUPP; - } - } - i = 0; - } + status = autosuspend_check(udev); + if (status < 0) + return status; } /* Suspend all the interfaces and then udev itself */ @@ -1151,7 +1163,7 @@ void usb_autosuspend_device(struct usb_device *udev, int dec_usage_cnt) { usb_pm_lock(udev); udev->pm_usage_cnt -= dec_usage_cnt; - if (udev->pm_usage_cnt <= 0) + if (autosuspend_check(udev) == 0) queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, USB_AUTOSUSPEND_DELAY); usb_pm_unlock(udev); @@ -1200,6 +1212,33 @@ int usb_autoresume_device(struct usb_device *udev, int inc_usage_cnt) return status; } +/* Internal routine to adjust an interface's usage counter and change + * its device's autosuspend state. + */ +static int usb_autopm_do_interface(struct usb_interface *intf, + int inc_usage_cnt) +{ + struct usb_device *udev = interface_to_usbdev(intf); + int status = 0; + + usb_pm_lock(udev); + if (intf->condition == USB_INTERFACE_UNBOUND) + status = -ENODEV; + else { + intf->pm_usage_cnt += inc_usage_cnt; + if (inc_usage_cnt >= 0 && intf->pm_usage_cnt > 0) { + udev->auto_pm = 1; + status = usb_resume_both(udev); + if (status != 0) + intf->pm_usage_cnt -= inc_usage_cnt; + } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) + queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, + USB_AUTOSUSPEND_DELAY); + } + usb_pm_unlock(udev); + return status; +} + /** * usb_autopm_put_interface - decrement a USB interface's PM-usage counter * @intf: the usb_interface whose counter should be decremented @@ -1233,17 +1272,11 @@ int usb_autoresume_device(struct usb_device *udev, int inc_usage_cnt) */ void usb_autopm_put_interface(struct usb_interface *intf) { - struct usb_device *udev = interface_to_usbdev(intf); + int status; - usb_pm_lock(udev); - if (intf->condition != USB_INTERFACE_UNBOUND && - --intf->pm_usage_cnt <= 0) { - queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); - } - usb_pm_unlock(udev); - // dev_dbg(&intf->dev, "%s: cnt %d\n", - // __FUNCTION__, intf->pm_usage_cnt); + status = usb_autopm_do_interface(intf, -1); + // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", + // __FUNCTION__, status, intf->pm_usage_cnt); } EXPORT_SYMBOL_GPL(usb_autopm_put_interface); @@ -1280,20 +1313,9 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface); */ int usb_autopm_get_interface(struct usb_interface *intf) { - struct usb_device *udev = interface_to_usbdev(intf); - int status; + int status; - usb_pm_lock(udev); - if (intf->condition == USB_INTERFACE_UNBOUND) - status = -ENODEV; - else { - ++intf->pm_usage_cnt; - udev->auto_pm = 1; - status = usb_resume_both(udev); - if (status != 0) - --intf->pm_usage_cnt; - } - usb_pm_unlock(udev); + status = usb_autopm_do_interface(intf, 1); // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", // __FUNCTION__, status, intf->pm_usage_cnt); return status; -- cgit v1.2.3 From 692a186c9d5f12d43cef28d40c25247dc4f302f0 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 30 Oct 2006 17:07:51 -0500 Subject: USB: expand autosuspend/autoresume API This patch (as814) adds usb_autopm_set_interface() to the autosuspend API. It also provides convenient wrapper routines, usb_autopm_enable() and usb_autopm_disable(), for drivers that want to specify directly whether autosuspend should be allowed. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index ca0e40ed2b7..204495fa6b3 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1322,6 +1322,28 @@ int usb_autopm_get_interface(struct usb_interface *intf) } EXPORT_SYMBOL_GPL(usb_autopm_get_interface); +/** + * usb_autopm_set_interface - set a USB interface's autosuspend state + * @intf: the usb_interface whose state should be set + * + * This routine sets the autosuspend state of @intf's device according + * to @intf's usage counter, which the caller must have set previously. + * If the counter is <= 0, the device is autosuspended (if it isn't + * already suspended and if nothing else prevents the autosuspend). If + * the counter is > 0, the device is autoresumed (if it isn't already + * awake). + */ +int usb_autopm_set_interface(struct usb_interface *intf) +{ + int status; + + status = usb_autopm_do_interface(intf, 0); + // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", + // __FUNCTION__, status, intf->pm_usage_cnt); + return status; +} +EXPORT_SYMBOL_GPL(usb_autopm_set_interface); + #endif /* CONFIG_USB_SUSPEND */ static int usb_suspend(struct device *dev, pm_message_t message) -- cgit v1.2.3 From b4ee4a2309c9f811457ce44962eed753e451dc11 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Thu, 9 Nov 2006 22:02:37 +0100 Subject: USB: net1080: Fix && typos Fix STATUS_PACKETS_* macros, where "&&" was mistakenly used where "&" should have. Signed-off-by: Jean Delvare Acked-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/net1080.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/net/net1080.c b/drivers/usb/net/net1080.c index ce00de8f13a..a77410562e1 100644 --- a/drivers/usb/net/net1080.c +++ b/drivers/usb/net/net1080.c @@ -237,12 +237,12 @@ static inline void nc_dump_usbctl(struct usbnet *dev, u16 usbctl) #define STATUS_CONN_OTHER (1 << 14) #define STATUS_SUSPEND_OTHER (1 << 13) #define STATUS_MAILBOX_OTHER (1 << 12) -#define STATUS_PACKETS_OTHER(n) (((n) >> 8) && 0x03) +#define STATUS_PACKETS_OTHER(n) (((n) >> 8) & 0x03) #define STATUS_CONN_THIS (1 << 6) #define STATUS_SUSPEND_THIS (1 << 5) #define STATUS_MAILBOX_THIS (1 << 4) -#define STATUS_PACKETS_THIS(n) (((n) >> 0) && 0x03) +#define STATUS_PACKETS_THIS(n) (((n) >> 0) & 0x03) #define STATUS_UNSPEC_MASK 0x0c8c #define STATUS_NOISE_MASK ((u16)~(0x0303|STATUS_UNSPEC_MASK)) -- cgit v1.2.3 From 1bb5f66bb3b6c2fd7eec1cdfee9cf3f68ef83487 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 6 Nov 2006 11:56:13 -0500 Subject: USB: Move private hub declarations out of public header file This patch (as809b) moves the declaration of the hub driver's private data structure from hub.h into the hub.c source file. Lots of other files import hub.h; they have no need to know about the details of the hub driver's private data. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hub.c | 42 ++++++++++++++++++++++++++++++++++++++++++ drivers/usb/core/hub.h | 41 ----------------------------------------- 2 files changed, 42 insertions(+), 41 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index c91745def9e..c961a32f317 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -31,6 +31,48 @@ #include "hcd.h" #include "hub.h" +struct usb_hub { + struct device *intfdev; /* the "interface" device */ + struct usb_device *hdev; + struct urb *urb; /* for interrupt polling pipe */ + + /* buffer for urb ... with extra space in case of babble */ + char (*buffer)[8]; + dma_addr_t buffer_dma; /* DMA address for buffer */ + union { + struct usb_hub_status hub; + struct usb_port_status port; + } *status; /* buffer for status reports */ + + int error; /* last reported error */ + int nerrors; /* track consecutive errors */ + + struct list_head event_list; /* hubs w/data or errs ready */ + unsigned long event_bits[1]; /* status change bitmask */ + unsigned long change_bits[1]; /* ports with logical connect + status change */ + unsigned long busy_bits[1]; /* ports being reset or + resumed */ +#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */ +#error event_bits[] is too short! +#endif + + struct usb_hub_descriptor *descriptor; /* class descriptor */ + struct usb_tt tt; /* Transaction Translator */ + + unsigned mA_per_port; /* current for each child */ + + unsigned limited_power:1; + unsigned quiescing:1; + unsigned activating:1; + unsigned resume_root_hub:1; + + unsigned has_indicators:1; + u8 indicator[USB_MAXCHILDREN]; + struct work_struct leds; +}; + + /* Protect struct usb_device->state and ->children members * Note: Both are also protected by ->dev.sem, except that ->state can * change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */ diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 1b05994de4d..cf9559c6c9b 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -192,45 +192,4 @@ struct usb_tt_clear { extern void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe); -struct usb_hub { - struct device *intfdev; /* the "interface" device */ - struct usb_device *hdev; - struct urb *urb; /* for interrupt polling pipe */ - - /* buffer for urb ... with extra space in case of babble */ - char (*buffer)[8]; - dma_addr_t buffer_dma; /* DMA address for buffer */ - union { - struct usb_hub_status hub; - struct usb_port_status port; - } *status; /* buffer for status reports */ - - int error; /* last reported error */ - int nerrors; /* track consecutive errors */ - - struct list_head event_list; /* hubs w/data or errs ready */ - unsigned long event_bits[1]; /* status change bitmask */ - unsigned long change_bits[1]; /* ports with logical connect - status change */ - unsigned long busy_bits[1]; /* ports being reset or - resumed */ -#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */ -#error event_bits[] is too short! -#endif - - struct usb_hub_descriptor *descriptor; /* class descriptor */ - struct usb_tt tt; /* Transaction Translator */ - - unsigned mA_per_port; /* current for each child */ - - unsigned limited_power:1; - unsigned quiescing:1; - unsigned activating:1; - unsigned resume_root_hub:1; - - unsigned has_indicators:1; - u8 indicator[USB_MAXCHILDREN]; - struct work_struct leds; -}; - #endif /* __LINUX_HUB_H */ -- cgit v1.2.3 From d8126a0c23b95d8f49a8f4b49191691f9a09ae4a Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 12 Nov 2006 18:09:44 -0800 Subject: usb/gadget/ether.c minor manycast tweaks Minor cleanup/clarification in the ethernet gadget driver, using standard calls to test for Ethernet multicast and broadcast addresses. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/ether.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 1c17d26d03b..3bd1dfe565c 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1894,13 +1894,13 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net) if (!eth_is_promisc (dev)) { u8 *dest = skb->data; - if (dest [0] & 0x01) { + if (is_multicast_ether_addr(dest)) { u16 type; /* ignores USB_CDC_PACKET_TYPE_MULTICAST and host * SET_ETHERNET_MULTICAST_FILTERS requests */ - if (memcmp (dest, net->broadcast, ETH_ALEN) == 0) + if (is_broadcast_ether_addr(dest)) type = USB_CDC_PACKET_TYPE_BROADCAST; else type = USB_CDC_PACKET_TYPE_ALL_MULTICAST; -- cgit v1.2.3 From d5ec1686ba96eb75e132196c486cc0521b00f12c Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 14 Nov 2006 10:06:17 -0800 Subject: USB: resume_device symbol conflict Several functions in USB core overlap with global functions. The linker appears to do the right thing, but it is bad practice and makes debugging harder. Signed-off-by: Stephen Hemminger Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 204495fa6b3..44dd6103fb4 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -810,7 +810,7 @@ EXPORT_SYMBOL_GPL_FUTURE(usb_deregister); #ifdef CONFIG_PM /* Caller has locked udev's pm_mutex */ -static int suspend_device(struct usb_device *udev, pm_message_t msg) +static int usb_suspend_device(struct usb_device *udev, pm_message_t msg) { struct usb_device_driver *udriver; int status = 0; @@ -837,7 +837,7 @@ done: } /* Caller has locked udev's pm_mutex */ -static int resume_device(struct usb_device *udev) +static int usb_resume_device(struct usb_device *udev) { struct usb_device_driver *udriver; int status = 0; @@ -863,7 +863,7 @@ done: } /* Caller has locked intf's usb_device's pm mutex */ -static int suspend_interface(struct usb_interface *intf, pm_message_t msg) +static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg) { struct usb_driver *driver; int status = 0; @@ -900,7 +900,7 @@ done: } /* Caller has locked intf's usb_device's pm_mutex */ -static int resume_interface(struct usb_interface *intf) +static int usb_resume_interface(struct usb_interface *intf) { struct usb_driver *driver; int status = 0; @@ -1031,19 +1031,19 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg) if (udev->actconfig) { for (; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; - status = suspend_interface(intf, msg); + status = usb_suspend_interface(intf, msg); if (status != 0) break; } } if (status == 0) - status = suspend_device(udev, msg); + status = usb_suspend_device(udev, msg); /* If the suspend failed, resume interfaces that did get suspended */ if (status != 0) { while (--i >= 0) { intf = udev->actconfig->interface[i]; - resume_interface(intf); + usb_resume_interface(intf); } /* If the suspend succeeded, propagate it up the tree */ @@ -1109,14 +1109,14 @@ int usb_resume_both(struct usb_device *udev) status = -EHOSTUNREACH; } if (status == 0) - status = resume_device(udev); + status = usb_resume_device(udev); if (parent) usb_pm_unlock(parent); } else { /* Needed only for setting udev->dev.power.power_state.event * and for possible debugging message. */ - status = resume_device(udev); + status = usb_resume_device(udev); } /* Now the parent won't suspend until we are finished */ @@ -1124,7 +1124,7 @@ int usb_resume_both(struct usb_device *udev) if (status == 0 && udev->actconfig) { for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; - resume_interface(intf); + usb_resume_interface(intf); } } -- cgit v1.2.3 From 54c9b2266f83dfc3d6c538417564dc74266f4dd9 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 20 Nov 2006 03:23:58 +0100 Subject: USB: make drivers/usb/input/wacom_sys.c:wacom_sys_irq() static This patch makes the needlessly global wacom_sys_irq() static. Signed-off-by: Adrian Bunk Signed-off-by: Ping Cheng Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/wacom.h | 1 - drivers/usb/input/wacom_sys.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/wacom.h b/drivers/usb/input/wacom.h index 1cf08f02c50..d85abfc5ab5 100644 --- a/drivers/usb/input/wacom.h +++ b/drivers/usb/input/wacom.h @@ -110,7 +110,6 @@ struct wacom_combo { }; extern int wacom_wac_irq(struct wacom_wac * wacom_wac, void * wcombo); -extern void wacom_sys_irq(struct urb *urb); extern void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data); extern void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data); extern void wacom_report_key(void *wcombo, unsigned int key_type, int key_data); diff --git a/drivers/usb/input/wacom_sys.c b/drivers/usb/input/wacom_sys.c index 3498b893b53..e7cc20ab815 100644 --- a/drivers/usb/input/wacom_sys.c +++ b/drivers/usb/input/wacom_sys.c @@ -42,7 +42,7 @@ static struct input_dev * get_input_dev(struct wacom_combo *wcombo) return wcombo->wacom->dev; } -void wacom_sys_irq(struct urb *urb) +static void wacom_sys_irq(struct urb *urb) { struct wacom *wacom = urb->context; struct wacom_combo wcombo; -- cgit v1.2.3 From ad0327d680734b76c33f5438cd656bdfd26f5f5b Mon Sep 17 00:00:00 2001 From: "daniel@centurion.net.nz" Date: Sat, 11 Nov 2006 15:47:52 +1300 Subject: USB: airprime: New device ID Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/airprime.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c index 7f5d546da39..96c73726d74 100644 --- a/drivers/usb/serial/airprime.c +++ b/drivers/usb/serial/airprime.c @@ -19,6 +19,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */ { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */ + { USB_DEVICE(0x1410, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ { USB_DEVICE(0x1410, 0x1100) }, /* ExpressCard34 Qualcomm 3G CDMA */ { }, }; -- cgit v1.2.3 From 1f54a6ae79ab4369f17d6bc86eaff3125395af9c Mon Sep 17 00:00:00 2001 From: Oleg Verych Date: Fri, 17 Nov 2006 08:21:27 +0000 Subject: usb-serial: ti_usb, TI ez430 development tool ID usb-serial: ti_usb, TI ez430 development tool ID Signed-off-by: Oleg Verych Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ti_usb_3410_5052.c | 2 ++ drivers/usb/serial/ti_usb_3410_5052.h | 1 + 2 files changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 07400c0c8a8..bbbb993447b 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -228,6 +228,7 @@ static int product_5052_count; /* null entry */ static struct usb_device_id ti_id_table_3410[1+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, }; static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { @@ -239,6 +240,7 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { static struct usb_device_id ti_id_table_combined[] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index 02c1aeb9e1b..b5541bf991b 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -28,6 +28,7 @@ /* Vendor and product ids */ #define TI_VENDOR_ID 0x0451 #define TI_3410_PRODUCT_ID 0x3410 +#define TI_3410_EZ430_ID 0xF430 /* TI ez430 development tool */ #define TI_5052_BOOT_PRODUCT_ID 0x5052 /* no EEPROM, no firmware */ #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */ #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */ -- cgit v1.2.3 From 444f4f91fda54bea57a0e31098a75f54548e8b28 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Thu, 16 Nov 2006 16:38:57 +0100 Subject: USB: pwc-if loop fix We should free urbs starting at [i-1] not [i]. Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/pwc/pwc-if.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 46c11483088..83739b213e7 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -866,11 +866,10 @@ int pwc_isoc_init(struct pwc_device *pdev) } if (ret) { /* De-allocate in reverse order */ - while (i >= 0) { + while (i--) { if (pdev->sbuf[i].urb != NULL) usb_free_urb(pdev->sbuf[i].urb); pdev->sbuf[i].urb = NULL; - i--; } return ret; } -- cgit v1.2.3 From 6265d62f31e42cc839f929439a95f602d70d6bf7 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:02 +0100 Subject: usb: pcwd_usb free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/char/watchdog/pcwd_usb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index bda45334d80..e275dd4a705 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -561,8 +561,7 @@ static struct notifier_block usb_pcwd_notifier = { */ static inline void usb_pcwd_delete (struct usb_pcwd_private *usb_pcwd) { - if (usb_pcwd->intr_urb != NULL) - usb_free_urb (usb_pcwd->intr_urb); + usb_free_urb(usb_pcwd->intr_urb); if (usb_pcwd->intr_buffer != NULL) usb_buffer_free(usb_pcwd->udev, usb_pcwd->intr_size, usb_pcwd->intr_buffer, usb_pcwd->intr_dma); -- cgit v1.2.3 From 8f21d119f457ece27a69ac1dadd655deee6f2a20 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:09 +0100 Subject: usb: iforce-usb free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/input/joystick/iforce/iforce-usb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 105112fb7b5..80cdebcbcb9 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -178,9 +178,9 @@ static int iforce_usb_probe(struct usb_interface *intf, fail: if (iforce) { - if (iforce->irq) usb_free_urb(iforce->irq); - if (iforce->out) usb_free_urb(iforce->out); - if (iforce->ctrl) usb_free_urb(iforce->ctrl); + usb_free_urb(iforce->irq); + usb_free_urb(iforce->out); + usb_free_urb(iforce->ctrl); kfree(iforce); } -- cgit v1.2.3 From ead54fcd6a6ffc0c45e318ffe8872d228bdff0e5 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:17 +0100 Subject: usb: usb-gigaset free kill urb cleanup - usb_free_urb() cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/isdn/gigaset/usb-gigaset.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index 4ffa9eb1c28..5ebf49ac9b2 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -815,14 +815,11 @@ static int gigaset_probe(struct usb_interface *interface, return 0; error: - if (ucs->read_urb) - usb_kill_urb(ucs->read_urb); + usb_kill_urb(ucs->read_urb); kfree(ucs->bulk_out_buffer); - if (ucs->bulk_out_urb != NULL) - usb_free_urb(ucs->bulk_out_urb); + usb_free_urb(ucs->bulk_out_urb); kfree(cs->inbuf[0].rcvbuf); - if (ucs->read_urb != NULL) - usb_free_urb(ucs->read_urb); + usb_free_urb(ucs->read_urb); usb_set_intfdata(interface, NULL); ucs->read_urb = ucs->bulk_out_urb = NULL; cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL; @@ -850,11 +847,9 @@ static void gigaset_disconnect(struct usb_interface *interface) usb_kill_urb(ucs->bulk_out_urb); /* FIXME: only if active? */ kfree(ucs->bulk_out_buffer); - if (ucs->bulk_out_urb != NULL) - usb_free_urb(ucs->bulk_out_urb); + usb_free_urb(ucs->bulk_out_urb); kfree(cs->inbuf[0].rcvbuf); - if (ucs->read_urb != NULL) - usb_free_urb(ucs->read_urb); + usb_free_urb(ucs->read_urb); ucs->read_urb = ucs->bulk_out_urb = NULL; cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL; -- cgit v1.2.3 From 4064fe43e8bf6cfe7fc6fadfbccc7fe1fbb1f0c1 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:22 +0100 Subject: usb: cinergyT2 free kill urb cleanup - usb_free_urb() cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/dvb/cinergyT2/cinergyT2.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index ff7d4f56ced..55bc891768c 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -275,8 +275,7 @@ static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2) int i; for (i=0; istream_urb[i]) - usb_free_urb(cinergyt2->stream_urb[i]); + usb_free_urb(cinergyt2->stream_urb[i]); usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, cinergyt2->streambuf, cinergyt2->streambuf_dmahandle); @@ -320,8 +319,7 @@ static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2) cinergyt2_control_stream_transfer(cinergyt2, 0); for (i=0; istream_urb[i]) - usb_kill_urb(cinergyt2->stream_urb[i]); + usb_kill_urb(cinergyt2->stream_urb[i]); } static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2) -- cgit v1.2.3 From 5d02d027ac2e7778011fa833b3efa50b72a23dcd Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:27 +0100 Subject: usb: ttusb_dec free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/dvb/ttusb-dec/ttusb_dec.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index a1c9fa9919e..8135f3e76ae 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1135,8 +1135,7 @@ static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) dprintk("%s\n", __FUNCTION__); for (i = 0; i < ISO_BUF_COUNT; i++) - if (dec->iso_urb[i]) - usb_free_urb(dec->iso_urb[i]); + usb_free_urb(dec->iso_urb[i]); pci_free_consistent(NULL, ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * -- cgit v1.2.3 From 5e55d2cea80254faa6ba5c13f3053070db57b63f Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:31 +0100 Subject: usb: pvrusb2-hdw free unlink urb cleanup - usb_free_urb() cleanup - usb_unlink_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index f920e0ccacd..1f787333d18 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1953,8 +1953,8 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, return hdw; fail: if (hdw) { - if (hdw->ctl_read_urb) usb_free_urb(hdw->ctl_read_urb); - if (hdw->ctl_write_urb) usb_free_urb(hdw->ctl_write_urb); + usb_free_urb(hdw->ctl_read_urb); + usb_free_urb(hdw->ctl_write_urb); if (hdw->ctl_read_buffer) kfree(hdw->ctl_read_buffer); if (hdw->ctl_write_buffer) kfree(hdw->ctl_write_buffer); if (hdw->controls) kfree(hdw->controls); @@ -2575,12 +2575,10 @@ static void pvr2_ctl_timeout(unsigned long data) struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) { hdw->ctl_timeout_flag = !0; - if (hdw->ctl_write_pend_flag && hdw->ctl_write_urb) { + if (hdw->ctl_write_pend_flag) usb_unlink_urb(hdw->ctl_write_urb); - } - if (hdw->ctl_read_pend_flag && hdw->ctl_read_urb) { + if (hdw->ctl_read_pend_flag) usb_unlink_urb(hdw->ctl_read_urb); - } } } -- cgit v1.2.3 From 4c6f7d4a889ad997483a4c0318111b4a506f0fe3 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:50 +0100 Subject: usb: pvrusb2-io free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/pvrusb2/pvrusb2-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c index 70aa63eba0c..57fb3203354 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-io.c +++ b/drivers/media/video/pvrusb2/pvrusb2-io.c @@ -289,7 +289,7 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp) pvr2_buffer_set_none(bp); bp->signature = 0; bp->stream = NULL; - if (bp->purb) usb_free_urb(bp->purb); + usb_free_urb(bp->purb); pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/" " bufferDone %p",bp); } -- cgit v1.2.3 From 90b2625a5159607e37871cd75370c189fc22d208 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:55 +0100 Subject: usb: pwc-if free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/pwc/pwc-if.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 83739b213e7..62070b9049e 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -867,8 +867,7 @@ int pwc_isoc_init(struct pwc_device *pdev) if (ret) { /* De-allocate in reverse order */ while (i--) { - if (pdev->sbuf[i].urb != NULL) - usb_free_urb(pdev->sbuf[i].urb); + usb_free_urb(pdev->sbuf[i].urb); pdev->sbuf[i].urb = NULL; } return ret; -- cgit v1.2.3 From 14d2707b80d6a9d1e8e92718885f99b77531b339 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:34:59 +0100 Subject: usb: sn9c102_core free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/sn9c102/sn9c102_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 42fb60d985b..18458d46c0f 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -775,7 +775,7 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) return 0; free_urbs: - for (i = 0; (i < SN9C102_URBS) && cam->urb[i]; i++) + for (i = 0; i < SN9C102_URBS; i++) usb_free_urb(cam->urb[i]); free_buffers: -- cgit v1.2.3 From 926b1e90093688d91cbc358e5339ad2861c86e46 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:02 +0100 Subject: usb: quickcam_messenger free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/usbvideo/quickcam_messenger.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c index 9a26b9484aa..bbf2beeeb44 100644 --- a/drivers/media/video/usbvideo/quickcam_messenger.c +++ b/drivers/media/video/usbvideo/quickcam_messenger.c @@ -190,8 +190,7 @@ static int qcm_alloc_int_urb(struct qcm *cam) static void qcm_free_int(struct qcm *cam) { - if (cam->button_urb) - usb_free_urb(cam->button_urb); + usb_free_urb(cam->button_urb); } #endif /* CONFIG_INPUT */ -- cgit v1.2.3 From 8563650da0fb2df5755ea133d5fb182ded9d2ae8 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:12 +0100 Subject: usb: zc0301_core free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/zc0301/zc0301_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c index 5b556342442..52d0f759ee0 100644 --- a/drivers/media/video/zc0301/zc0301_core.c +++ b/drivers/media/video/zc0301/zc0301_core.c @@ -489,7 +489,7 @@ static int zc0301_start_transfer(struct zc0301_device* cam) return 0; free_urbs: - for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++) + for (i = 0; i < ZC0301_URBS; i++) usb_free_urb(cam->urb[i]); free_buffers: -- cgit v1.2.3 From 8fd31e1d85d5c13c1273013067474ebb73ad6fd1 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:38 +0100 Subject: usb: irda-usb free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/net/irda/irda-usb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 14bda765c2f..6e95645e724 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1793,10 +1793,8 @@ err_out_3: err_out_2: usb_free_urb(self->tx_urb); err_out_1: - for (i = 0; i < self->max_rx_urb; i++) { - if (self->rx_urb[i]) - usb_free_urb(self->rx_urb[i]); - } + for (i = 0; i < self->max_rx_urb; i++) + usb_free_urb(self->rx_urb[i]); free_netdev(net); err_out: return ret; -- cgit v1.2.3 From f988f272fe8de462045e9f298e5b7f1e39b2e53a Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:42 +0100 Subject: usb: zd1201 free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/zd1201.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 36b29ff0581..6cb66a356c9 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -1828,10 +1828,8 @@ err_start: /* Leave the device in reset state */ zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); err_zd: - if (zd->tx_urb) - usb_free_urb(zd->tx_urb); - if (zd->rx_urb) - usb_free_urb(zd->rx_urb); + usb_free_urb(zd->tx_urb); + usb_free_urb(zd->rx_urb); kfree(zd); return err; } -- cgit v1.2.3 From 459f836a612d28f224dbbc306ab63187014a6503 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:46 +0100 Subject: usb: ati_remote free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/ati_remote.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c index 787b847d38c..ff23318dc30 100644 --- a/drivers/usb/input/ati_remote.c +++ b/drivers/usb/input/ati_remote.c @@ -630,11 +630,8 @@ static int ati_remote_alloc_buffers(struct usb_device *udev, */ static void ati_remote_free_buffers(struct ati_remote *ati_remote) { - if (ati_remote->irq_urb) - usb_free_urb(ati_remote->irq_urb); - - if (ati_remote->out_urb) - usb_free_urb(ati_remote->out_urb); + usb_free_urb(ati_remote->irq_urb); + usb_free_urb(ati_remote->out_urb); usb_buffer_free(ati_remote->udev, DATA_BUFSIZE, ati_remote->inbuf, ati_remote->inbuf_dma); -- cgit v1.2.3 From 2381526a793582ad18b30af0e3013ccad1a8bcdb Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:50 +0100 Subject: usb: ati_remote2 free urb cleanup Hello, - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/ati_remote2.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/ati_remote2.c b/drivers/usb/input/ati_remote2.c index f982a2b4a7f..83f1f79db7c 100644 --- a/drivers/usb/input/ati_remote2.c +++ b/drivers/usb/input/ati_remote2.c @@ -372,8 +372,7 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) int i; for (i = 0; i < 2; i++) { - if (ar2->urb[i]) - usb_free_urb(ar2->urb[i]); + usb_free_urb(ar2->urb[i]); if (ar2->buf[i]) usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); -- cgit v1.2.3 From 6f07429fa295a04e06c93601e6c597e7a6d95495 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:54 +0100 Subject: usb: hid-core free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/hid-core.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 2c12b04da11..f7a67c4db51 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -2080,13 +2080,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) return hid; fail: - - if (hid->urbin) - usb_free_urb(hid->urbin); - if (hid->urbout) - usb_free_urb(hid->urbout); - if (hid->urbctrl) - usb_free_urb(hid->urbctrl); + usb_free_urb(hid->urbin); + usb_free_urb(hid->urbout); + usb_free_urb(hid->urbctrl); hid_free_buffers(dev, hid); hid_free_device(hid); @@ -2117,8 +2113,7 @@ static void hid_disconnect(struct usb_interface *intf) usb_free_urb(hid->urbin); usb_free_urb(hid->urbctrl); - if (hid->urbout) - usb_free_urb(hid->urbout); + usb_free_urb(hid->urbout); hid_free_buffers(hid->dev, hid); hid_free_device(hid); -- cgit v1.2.3 From 4ba0b2ed583b80cb26b9c8d8a8b418f677ec4a83 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:35:58 +0100 Subject: usb: usbkbd free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/usbkbd.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index b6c2ba7e05a..dac88640eab 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -208,10 +208,8 @@ static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd) static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd) { - if (kbd->irq) - usb_free_urb(kbd->irq); - if (kbd->led) - usb_free_urb(kbd->led); + usb_free_urb(kbd->irq); + usb_free_urb(kbd->led); if (kbd->new) usb_buffer_free(dev, 8, kbd->new, kbd->new_dma); if (kbd->cr) -- cgit v1.2.3 From 2891a51cc27e0eed9474668b58e4f587b9f36694 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:03 +0100 Subject: usb: auerswald free kill urb cleanup - usb_free_urb() cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/auerswald.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index e4971d6aaaf..c703f73e165 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -704,9 +704,7 @@ static void auerbuf_free (pauerbuf_t bp) { kfree(bp->bufp); kfree(bp->dr); - if (bp->urbp) { - usb_free_urb(bp->urbp); - } + usb_free_urb(bp->urbp); kfree(bp); } @@ -1155,8 +1153,7 @@ static void auerswald_int_release (pauerswald_t cp) dbg ("auerswald_int_release"); /* stop the int endpoint */ - if (cp->inturbp) - usb_kill_urb (cp->inturbp); + usb_kill_urb (cp->inturbp); /* deallocate memory */ auerswald_int_free (cp); -- cgit v1.2.3 From f53510e8c49d00085a820ae98ca4753d4487dbad Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:14 +0100 Subject: usb: legousbtower free kill urb cleanup Hello, - usb_free_urb() cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/legousbtower.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index f8611997bd7..5dce797bddb 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -317,12 +317,8 @@ static inline void tower_delete (struct lego_usb_tower *dev) tower_abort_transfers (dev); /* free data structures */ - if (dev->interrupt_in_urb != NULL) { - usb_free_urb (dev->interrupt_in_urb); - } - if (dev->interrupt_out_urb != NULL) { - usb_free_urb (dev->interrupt_out_urb); - } + usb_free_urb(dev->interrupt_in_urb); + usb_free_urb(dev->interrupt_out_urb); kfree (dev->read_buffer); kfree (dev->interrupt_in_buffer); kfree (dev->interrupt_out_buffer); @@ -502,15 +498,11 @@ static void tower_abort_transfers (struct lego_usb_tower *dev) if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; mb(); - if (dev->interrupt_in_urb != NULL && dev->udev) { + if (dev->udev) usb_kill_urb (dev->interrupt_in_urb); - } - } - if (dev->interrupt_out_busy) { - if (dev->interrupt_out_urb != NULL && dev->udev) { - usb_kill_urb (dev->interrupt_out_urb); - } } + if (dev->interrupt_out_busy && dev->udev) + usb_kill_urb(dev->interrupt_out_urb); exit: dbg(2, "%s: leave", __FUNCTION__); -- cgit v1.2.3 From df43121463d2e6dde9f7e40a7720e111e4cc600e Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:07 +0100 Subject: usb: phidgetkit free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/phidgetkit.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index 0dc0d034cc9..9110793f81d 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -650,8 +650,7 @@ out2: device_remove_file(kit->dev, &dev_output_attrs[i]); out: if (kit) { - if (kit->irq) - usb_free_urb(kit->irq); + usb_free_urb(kit->irq); if (kit->data) usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); if (kit->dev) -- cgit v1.2.3 From 5483eb1300fc052c294a9dac57d5bf6653126efd Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:18 +0100 Subject: usb: phidgetmotorcontrol free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/phidgetmotorcontrol.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 7702a4f7b08..c3469b0a67c 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -392,8 +392,7 @@ out2: device_remove_file(mc->dev, &dev_attrs[i]); out: if (mc) { - if (mc->irq) - usb_free_urb(mc->irq); + usb_free_urb(mc->irq); if (mc->data) usb_buffer_free(dev, URB_INT_SIZE, mc->data, mc->data_dma); if (mc->dev) -- cgit v1.2.3 From 794c944ecd468ddf8a571bd37ab7b21035965f91 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:25 +0100 Subject: usb: ftdi_sio kill urb cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c186b4e73c7..89ce2775be1 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1388,8 +1388,7 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp) flush_scheduled_work(); /* shutdown our bulk read */ - if (port->read_urb) - usb_kill_urb(port->read_urb); + usb_kill_urb(port->read_urb); } /* ftdi_close */ -- cgit v1.2.3 From c69694b779714b751a326d1b886087322001e86f Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:22 +0100 Subject: usb: catc free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/catc.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/net/catc.c b/drivers/usb/net/catc.c index f740325abac..907b820a5fa 100644 --- a/drivers/usb/net/catc.c +++ b/drivers/usb/net/catc.c @@ -786,14 +786,10 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id if ((!catc->ctrl_urb) || (!catc->tx_urb) || (!catc->rx_urb) || (!catc->irq_urb)) { err("No free urbs available."); - if (catc->ctrl_urb) - usb_free_urb(catc->ctrl_urb); - if (catc->tx_urb) - usb_free_urb(catc->tx_urb); - if (catc->rx_urb) - usb_free_urb(catc->rx_urb); - if (catc->irq_urb) - usb_free_urb(catc->irq_urb); + usb_free_urb(catc->ctrl_urb); + usb_free_urb(catc->tx_urb); + usb_free_urb(catc->rx_urb); + usb_free_urb(catc->irq_urb); free_netdev(netdev); return -ENOMEM; } -- cgit v1.2.3 From 9a25f44f91b621f49b459687ae49d4fed4423d0e Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:29 +0100 Subject: usb: io_edgeport kill urb cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/io_edgeport.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 91bd3014ef1..d06547a13f2 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1038,9 +1038,7 @@ static void edge_close (struct usb_serial_port *port, struct file * filp) edge_port->open = FALSE; edge_port->openPending = FALSE; - if (edge_port->write_urb) { - usb_kill_urb(edge_port->write_urb); - } + usb_kill_urb(edge_port->write_urb); if (edge_port->write_urb) { /* if this urb had a transfer buffer already (old transfer) free it */ -- cgit v1.2.3 From 1cadc1378fe9cdee9515842a4bf9f42228448ad2 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:34 +0100 Subject: usb: keyspan free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/keyspan.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 53be824eb1b..7639652cec4 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2306,22 +2306,16 @@ static void keyspan_shutdown (struct usb_serial *serial) } /* Now free them */ - if (s_priv->instat_urb) - usb_free_urb(s_priv->instat_urb); - if (s_priv->glocont_urb) - usb_free_urb(s_priv->glocont_urb); + usb_free_urb(s_priv->instat_urb); + usb_free_urb(s_priv->glocont_urb); for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); - if (p_priv->inack_urb) - usb_free_urb(p_priv->inack_urb); - if (p_priv->outcont_urb) - usb_free_urb(p_priv->outcont_urb); + usb_free_urb(p_priv->inack_urb); + usb_free_urb(p_priv->outcont_urb); for (j = 0; j < 2; j++) { - if (p_priv->in_urbs[j]) - usb_free_urb(p_priv->in_urbs[j]); - if (p_priv->out_urbs[j]) - usb_free_urb(p_priv->out_urbs[j]); + usb_free_urb(p_priv->in_urbs[j]); + usb_free_urb(p_priv->out_urbs[j]); } } -- cgit v1.2.3 From 5505c2261eb5e7a6ff851afbe7f77d54d960e83b Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:38 +0100 Subject: usb: kobil_sct kill urb cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/kobil_sct.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 8dd2afa2fca..237289920f0 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -353,8 +353,7 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp) usb_free_urb( port->write_urb ); port->write_urb = NULL; } - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); } -- cgit v1.2.3 From 73135bb9154f9565e8ae294ffa73f9e871d72b47 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:42 +0100 Subject: usb: mct_u232 free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/mct_u232.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index b7582cc496d..a906e500a02 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -358,10 +358,8 @@ static int mct_u232_startup (struct usb_serial *serial) /* Puh, that's dirty */ port = serial->port[0]; rport = serial->port[1]; - if (port->read_urb) { - /* No unlinking, it wasn't submitted yet. */ - usb_free_urb(port->read_urb); - } + /* No unlinking, it wasn't submitted yet. */ + usb_free_urb(port->read_urb); port->read_urb = rport->interrupt_in_urb; rport->interrupt_in_urb = NULL; port->read_urb->context = port; -- cgit v1.2.3 From 9aac10ff1d9a228d05491f68f933cf6a41b9debc Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:46 +0100 Subject: usb: navman kill urb cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/navman.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index 0610409a656..054abee8165 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -95,8 +95,7 @@ static void navman_close(struct usb_serial_port *port, struct file *filp) { dbg("%s - port %d", __FUNCTION__, port->number); - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); } static int navman_write(struct usb_serial_port *port, -- cgit v1.2.3 From 95d4316654a7e09778ebf81e03cab7040ecca1b0 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:51 +0100 Subject: usb: usb-serial free urb cleanup - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/usb-serial.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8006e51c34b..c1257d5292f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -952,32 +952,28 @@ probe_error: port = serial->port[i]; if (!port) continue; - if (port->read_urb) - usb_free_urb (port->read_urb); + usb_free_urb(port->read_urb); kfree(port->bulk_in_buffer); } for (i = 0; i < num_bulk_out; ++i) { port = serial->port[i]; if (!port) continue; - if (port->write_urb) - usb_free_urb (port->write_urb); + usb_free_urb(port->write_urb); kfree(port->bulk_out_buffer); } for (i = 0; i < num_interrupt_in; ++i) { port = serial->port[i]; if (!port) continue; - if (port->interrupt_in_urb) - usb_free_urb (port->interrupt_in_urb); + usb_free_urb(port->interrupt_in_urb); kfree(port->interrupt_in_buffer); } for (i = 0; i < num_interrupt_out; ++i) { port = serial->port[i]; if (!port) continue; - if (port->interrupt_out_urb) - usb_free_urb (port->interrupt_out_urb); + usb_free_urb(port->interrupt_out_urb); kfree(port->interrupt_out_buffer); } -- cgit v1.2.3 From bcb54a54033ff9359cf64e4283e4f4b92bf9132f Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 8 Nov 2006 15:36:55 +0100 Subject: usb: visor kill urb cleanup - usb_kill_urb() cleanup Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/visor.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index befe2e11a04..eef5eaa5fa0 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -348,8 +348,7 @@ static void visor_close (struct usb_serial_port *port, struct file * filp) /* shutdown our urbs */ usb_kill_urb(port->read_urb); - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); /* Try to send shutdown message, if the device is gone, this will just fail. */ transfer_buffer = kmalloc (0x12, GFP_KERNEL); -- cgit v1.2.3 From 1b7be3c066ae9238996a7a861b39b0bfd5860735 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 6 Nov 2006 12:05:00 -0500 Subject: OHCI: change priority level of resume log message All the other root-hub suspend or resume log messages, in ohci-hcd or any of the other host controller drivers, use the debug priority level. This patch (as815) makes the one single exception behave like all the rest. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index dcf9eb60132..4c9492779ed 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -175,7 +175,7 @@ __acquires(ohci->lock) break; case OHCI_USB_RESUME: /* HCFS changes sometime after INTR_RD */ - ohci_info(ohci, "%swakeup\n", + ohci_dbg(ohci, "%swakeup root hub\n", autostopped ? "auto-" : ""); break; case OHCI_USB_OPER: -- cgit v1.2.3 From 7a5c7b42d3c7b1e0085d48414ee73003d3888d1f Mon Sep 17 00:00:00 2001 From: Naranjo Manuel Francisco Date: Wed, 15 Nov 2006 15:14:27 -0300 Subject: USB: fix aircable.c: inconsequent NULL checking > 2006/11/11, Adrian Bunk : > > The Coverity checker spotted the following in > > drivers/usb/serial/aircable.c: > > > > <-- snip --> > > > > ... > > static void aircable_read(void *params) > > { > > ... Hi everyone, Sorry for the long time response but here is the patch, I think this way should work, if anyone has any suggestion let me know. What I do now is, in case I don't have the tty available I reschedule the work, I have tried it and it works with no problem, I even tried removing the device, and didn't find anything strange. Signed-off-by: Naranjo Manuel Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/aircable.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 8554c1a7b9f..b1b5707bc99 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -270,8 +270,11 @@ static void aircable_read(void *params) */ tty = port->tty; - if (!tty) + if (!tty) { schedule_work(&priv->rx_work); + err("%s - No tty available", __FUNCTION__); + return ; + } count = min(64, serial_buf_data_avail(priv->rx_buf)); -- cgit v1.2.3 From db063507b40664de33a61161c90358fe6fc9565a Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 13 Nov 2006 15:02:04 -0500 Subject: USB core: fix compiler warning about usb_autosuspend_work This patch (as821) fixes a compiler warning when CONFIG_PM isn't on ("usb_autosuspend_work" defined but not used). Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/usb.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index a83c2d5065c..81cb52564e6 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -200,13 +200,6 @@ static void ksuspend_usb_cleanup(void) destroy_workqueue(ksuspend_usb_wq); } -#else - -#define ksuspend_usb_init() 0 -#define ksuspend_usb_cleanup() do {} while (0) - -#endif - #ifdef CONFIG_USB_SUSPEND /* usb_autosuspend_work - callback routine to autosuspend a USB device */ @@ -225,7 +218,14 @@ static void usb_autosuspend_work(void *_udev) static void usb_autosuspend_work(void *_udev) {} -#endif +#endif /* CONFIG_USB_SUSPEND */ + +#else + +#define ksuspend_usb_init() 0 +#define ksuspend_usb_cleanup() do {} while (0) + +#endif /* CONFIG_PM */ /** * usb_alloc_dev - usb device constructor (usbcore-internal) -- cgit v1.2.3 From 49314378ac9b76c40f221e3e5aed866e912e7e99 Mon Sep 17 00:00:00 2001 From: Jaco Kroon Date: Wed, 15 Nov 2006 01:02:08 -0800 Subject: USB: add Digitech USB-Storage to unusual_devs.h The mass storage device from Digitech designed for Flash Cards, as found on (for example) the GNX4 device has issues with residue, similar to the bug report at http://kerneltrap.org/node/6297. This patch adds the faulty storage device to unusual_devs.h, this not only reduces the noise in dmesg but also increases the transfer speeds by a factor of 7x for me (89kB/s -> 637kB/s). T: Bus=02 Lev=02 Prnt=02 Port=01 Cnt=02 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1210 ProdID=0003 Rev= 1.00 S: Manufacturer=DigiTech HMG S: Product=DigiTech Mass Storage C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms Signed-off-by: Jaco Kroon Signed-off-by: Phil Dibowitz Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/unusual_devs.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index efb047f431e..db8b26012c7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1318,6 +1318,16 @@ UNUSUAL_DEV( 0x1019, 0x0c55, 0x0000, 0x0110, US_SC_DEVICE, US_PR_DEVICE, usb_stor_ucr61s2b_init, 0 ), +/* Reported by Jaco Kroon + * The usb-storage module found on the Digitech GNX4 (and supposedly other + * devices) misbehaves and causes a bunch of invalid I/O errors. + */ +UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, + "Digitech HMG", + "DigiTech Mass Storage", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_RESIDUE ), + /* Reported by Vilius Bilinkevicius Date: Fri, 17 Nov 2006 11:53:23 +0100 Subject: usb: microtek possible memleak fix Possible memleak fix on error path. The changes: - out_kfree2 and out_free_urb replaced - missing scsi_host_put() added Here it goes: Signed-off-by: Mariusz Kozlowski Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/image/microtek.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 3038ed0700d..8ccddf74534 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -796,7 +796,7 @@ static int mts_usb_probe(struct usb_interface *intf, new_desc->context.scsi_status = kmalloc(1, GFP_KERNEL); if (!new_desc->context.scsi_status) - goto out_kfree2; + goto out_free_urb; new_desc->usb_dev = dev; new_desc->usb_intf = intf; @@ -822,18 +822,20 @@ static int mts_usb_probe(struct usb_interface *intf, new_desc->host = scsi_host_alloc(&mts_scsi_host_template, sizeof(new_desc)); if (!new_desc->host) - goto out_free_urb; + goto out_kfree2; new_desc->host->hostdata[0] = (unsigned long)new_desc; if (scsi_add_host(new_desc->host, NULL)) { err_retval = -EIO; - goto out_free_urb; + goto out_host_put; } scsi_scan_host(new_desc->host); usb_set_intfdata(intf, new_desc); return 0; + out_host_put: + scsi_host_put(new_desc->host); out_kfree2: kfree(new_desc->context.scsi_status); out_free_urb: -- cgit v1.2.3 From 1f26e28d3e32339ca683f087cd55a70e2befc333 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 16 Nov 2006 10:16:00 -0500 Subject: USB: net2280: don't send unwanted zero-length packets The net2280 driver is too eager to send zero-length packets when IN tokens are received on ep0. No such packet should be sent (the driver should NAK) before the gadget driver has queued the proper response. Otherwise deferred responses are impossible. This patch (as823) makes net2280 avoid sending ZLPs for IN transfers on ep0 until a response has been submitted, and avoids stalling when an OUT packet is received before a request has been submitted for an OUT transfer on ep0. Signed-off-by: Alan Stern Cc: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/net2280.c | 8 ++++++-- drivers/usb/gadget/net2280.h | 3 ++- 2 files changed, 8 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 3acc896a5d4..0b590831582 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -1040,6 +1040,7 @@ net2280_queue (struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) } /* else the irq handler advances the queue. */ + ep->responded = 1; if (req) list_add_tail (&req->queue, &ep->queue); done: @@ -2188,7 +2189,8 @@ static void handle_ep_small (struct net2280_ep *ep) ep->stopped = 1; set_halt (ep); mode = 2; - } else if (!req && !ep->stopped) + } else if (ep->responded && + !req && !ep->stopped) write_fifo (ep, NULL); } } else { @@ -2203,7 +2205,7 @@ static void handle_ep_small (struct net2280_ep *ep) } else if (((t & (1 << DATA_OUT_PING_TOKEN_INTERRUPT)) && req && req->req.actual == req->req.length) - || !req) { + || (ep->responded && !req)) { ep->dev->protocol_stall = 1; set_halt (ep); ep->stopped = 1; @@ -2469,6 +2471,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat) /* we made the hardware handle most lowlevel requests; * everything else goes uplevel to the gadget code. */ + ep->responded = 1; switch (u.r.bRequest) { case USB_REQ_GET_STATUS: { struct net2280_ep *e; @@ -2537,6 +2540,7 @@ delegate: u.r.bRequestType, u.r.bRequest, w_value, w_index, w_length, readl (&ep->regs->ep_cfg)); + ep->responded = 0; spin_unlock (&dev->lock); tmp = dev->driver->setup (&dev->gadget, &u.r); spin_lock (&dev->lock); diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h index 957d6df3401..44ca139983d 100644 --- a/drivers/usb/gadget/net2280.h +++ b/drivers/usb/gadget/net2280.h @@ -110,7 +110,8 @@ struct net2280_ep { out_overflow : 1, stopped : 1, is_in : 1, - is_iso : 1; + is_iso : 1, + responded : 1; }; static inline void allow_status (struct net2280_ep *ep) -- cgit v1.2.3 From f0d7f27351058284f62ab4848909373c2d1f5ce8 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Thu, 16 Nov 2006 23:56:15 -0800 Subject: USB: EHCI hooks for high speed electrical tests EHCI hooks for high speed electrical tests of the root hub ports. The expectation is that a usermode program actually triggers the test, making the same control request it would make for an external hub. Tests for peripheral upstream ports would issue a different request. In all cases, the hardware needs re-initialization before it could be used "normally" again (e.g. unplug/replug, rmmod/modprobe). Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hub.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 1b20722c102..7c170a29f95 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -319,6 +319,7 @@ static int ehci_hub_control ( u32 temp, status; unsigned long flags; int retval = 0; + unsigned selector; /* * FIXME: support SetPortFeatures USB_PORT_FEAT_INDICATOR. @@ -506,6 +507,8 @@ static int ehci_hub_control ( } break; case SetPortFeature: + selector = wIndex >> 8; + wIndex &= 0xff; if (!wIndex || wIndex > ports) goto error; wIndex--; @@ -559,6 +562,22 @@ static int ehci_hub_control ( } writel (temp, &ehci->regs->port_status [wIndex]); break; + + /* For downstream facing ports (these): one hub port is put + * into test mode according to USB2 11.24.2.13, then the hub + * must be reset (which for root hub now means rmmod+modprobe, + * or else system reboot). See EHCI 2.3.9 and 4.14 for info + * about the EHCI-specific stuff. + */ + case USB_PORT_FEAT_TEST: + if (!selector || selector > 5) + goto error; + ehci_quiesce(ehci); + ehci_halt(ehci); + temp |= selector << 16; + writel (temp, &ehci->regs->port_status [wIndex]); + break; + default: goto error; } -- cgit v1.2.3 From 93f1a47c4af34c4ee014b3d2aae70089b3b69f72 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Thu, 16 Nov 2006 23:34:58 -0800 Subject: USB: add ehci_hcd.ignore_oc parameter Certain boards seem to like to issue false overcurrent notifications, for example on ports that don't have anything connected to them. This looks like a hardware error, at the level of noise to those ports' overcurrent input signals (or non-debounced VBUS comparators). This surfaces to users as truly massive amounts of syslog spam from khubd (which is appropriate for real hardware problems, except for the volume from multiple ports). Using this new "ignore_oc" flag helps such systems work more sanely, by preventing such indications from getting to khubd (and spam syslog). The downside is of course that true overcurrent errors will be masked; they'll appear as spontaneous disconnects, without the diagnostics that will let users troubleshoot issues like short circuited cables. Note that the bulk of these reports seem to be with VIA southbridges, but I think some were with Intel ones. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 10 ++++++++-- drivers/usb/host/ehci-hub.c | 18 +++++++++++++++--- 2 files changed, 23 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 9030994aba9..f2ceb5fdbeb 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -126,6 +126,11 @@ static unsigned park = 0; module_param (park, uint, S_IRUGO); MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets"); +/* for flakey hardware, ignore overcurrent indicators */ +static int ignore_oc = 0; +module_param (ignore_oc, bool, S_IRUGO); +MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); + #define INTR_MASK (STS_IAA | STS_FATAL | STS_PCD | STS_ERR | STS_INT) /*-------------------------------------------------------------------------*/ @@ -541,9 +546,10 @@ static int ehci_run (struct usb_hcd *hcd) temp = HC_VERSION(readl (&ehci->caps->hc_capbase)); ehci_info (ehci, - "USB %x.%x started, EHCI %x.%02x, driver %s\n", + "USB %x.%x started, EHCI %x.%02x, driver %s%s\n", ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), - temp >> 8, temp & 0xff, DRIVER_VERSION); + temp >> 8, temp & 0xff, DRIVER_VERSION, + ignore_oc ? ", overcurrent ignored" : ""); writel (INTR_MASK, &ehci->regs->intr_enable); /* Turn On Interrupts */ diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 7c170a29f95..0a56dfa2745 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -218,6 +218,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp, status = 0; + u32 mask; int ports, i, retval = 1; unsigned long flags; @@ -233,6 +234,18 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) retval++; } + /* Some boards (mostly VIA?) report bogus overcurrent indications, + * causing massive log spam unless we completely ignore them. It + * may be relevant that VIA VT8235 controlers, where PORT_POWER is + * always set, seem to clear PORT_OCC and PORT_CSC when writing to + * PORT_POWER; that's surprising, but maybe within-spec. + */ + if (!ignore_oc) + mask = PORT_CSC | PORT_PEC | PORT_OCC; + else + mask = PORT_CSC | PORT_PEC; + // PORT_RESUME from hardware ~= PORT_STAT_C_SUSPEND + /* no hub change reports (bit 0) for now (power, ...) */ /* port N changes (bit N)? */ @@ -250,8 +263,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) } if (!(temp & PORT_CONNECT)) ehci->reset_done [i] = 0; - if ((temp & (PORT_CSC | PORT_PEC | PORT_OCC)) != 0 - // PORT_STAT_C_SUSPEND? + if ((temp & mask) != 0 || ((temp & PORT_RESUME) != 0 && time_after (jiffies, ehci->reset_done [i]))) { @@ -418,7 +430,7 @@ static int ehci_hub_control ( status |= 1 << USB_PORT_FEAT_C_CONNECTION; if (temp & PORT_PEC) status |= 1 << USB_PORT_FEAT_C_ENABLE; - if (temp & PORT_OCC) + if ((temp & PORT_OCC) && !ignore_oc) status |= 1 << USB_PORT_FEAT_C_OVER_CURRENT; /* whoever resumes must GetPortStatus to complete it!! */ -- cgit v1.2.3 From 2e46b74852446404d64b0b00ce872724bfa627ab Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Fri, 17 Nov 2006 17:49:22 +0100 Subject: usb: cypress_m8 init error path fix If at some point cypress_init() fails deregister only the resources that were registered until that point. Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/cypress_m8.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index f2e89a08365..093f303b318 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -1684,15 +1684,14 @@ static int __init cypress_init(void) info(DRIVER_DESC " " DRIVER_VERSION); return 0; + failed_usb_register: - usb_deregister(&cypress_driver); -failed_ca42v2_register: usb_serial_deregister(&cypress_ca42v2_device); -failed_hidcom_register: +failed_ca42v2_register: usb_serial_deregister(&cypress_hidcom_device); -failed_em_register: +failed_hidcom_register: usb_serial_deregister(&cypress_earthmate_device); - +failed_em_register: return retval; } -- cgit v1.2.3 From 27a3de4cfc3508b30803b7350ca6385b3c53f223 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 20 Nov 2006 03:23:54 +0100 Subject: USB: make drivers/usb/host/u132-hcd.c:u132_hcd_wait static This patch makes the needlessly global "u132_hcd_wait" static. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/u132-hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 32c635ecbf3..5b06e2e8662 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -71,7 +71,7 @@ static int distrust_firmware = 1; module_param(distrust_firmware, bool, 0); MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" "t setup"); -DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); +static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); /* * u132_module_lock exists to protect access to global variables * -- cgit v1.2.3 From 9ce8540c884c19c0f5f38c9e85d4bdc192baf321 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 20 Nov 2006 03:24:44 +0100 Subject: USB: ftdi-elan.c: fixes and cleanups This patch contains the following possible cleanups: - make the needlessly global ftdi_release_platform_dev() static - remove the unused usb_ftdi_elan_read_reg() - proper prototypes for the following functions: - usb_ftdi_elan_read_pcimem() - usb_ftdi_elan_write_pcimem() Note that the misplaced prototypes for the latter ones in drivers/usb/host/u132-hcd.c were buggy. Depending on the calling convention of the architecture calling one of them could have turned your stack into garbage. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/u132-hcd.c | 6 +----- drivers/usb/misc/ftdi-elan.c | 10 +--------- drivers/usb/misc/usb_u132.h | 4 ++++ 3 files changed, 6 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 5b06e2e8662..87106085a98 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -205,11 +205,7 @@ struct u132 { struct u132_port port[MAX_U132_PORTS]; struct u132_endp *endp[MAX_U132_ENDPS]; }; -int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data); -int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, u8 addressofs, - u8 width, u32 *data); -int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, u8 addressofs, - u8 width, u32 data); + /* * these can not be inlines because we need the structure offset!! * Does anyone have a better way????? diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 0e8ee2dea88..cb0ba3107d7 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -303,7 +303,7 @@ void ftdi_elan_gone_away(struct platform_device *pdev) EXPORT_SYMBOL_GPL(ftdi_elan_gone_away); -void ftdi_release_platform_dev(struct device *dev) +static void ftdi_release_platform_dev(struct device *dev) { dev->parent = NULL; } @@ -1426,14 +1426,6 @@ static int ftdi_elan_read_reg(struct usb_ftdi *ftdi, u32 *data) } } -int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data) -{ - struct usb_ftdi *ftdi = platform_device_to_usb_ftdi(pdev); - return ftdi_elan_read_reg(ftdi, data); -} - - -EXPORT_SYMBOL_GPL(usb_ftdi_elan_read_reg); static int ftdi_elan_read_config(struct usb_ftdi *ftdi, int config_offset, u8 width, u32 *data) { diff --git a/drivers/usb/misc/usb_u132.h b/drivers/usb/misc/usb_u132.h index 551ba8906d6..fbb52b21349 100644 --- a/drivers/usb/misc/usb_u132.h +++ b/drivers/usb/misc/usb_u132.h @@ -95,3 +95,7 @@ int usb_ftdi_elan_edset_setup(struct platform_device *pdev, u8 ed_number, int halted, int skipped, int actual, int non_null)); int usb_ftdi_elan_edset_flush(struct platform_device *pdev, u8 ed_number, void *endp); +int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, int mem_offset, + u8 width, u32 *data); +int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, int mem_offset, + u8 width, u32 data); -- cgit v1.2.3 From 24ced062a2965645d651ff92bc93b2c1f926474e Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Fri, 17 Nov 2006 22:50:15 +0100 Subject: usbtouchscreen: add support for DMC TSC-10/25 devices Adds support for the DMC TSC-10 and TSC-25 usb touchscreen controllers. Signed-off-by: Holger Schurig Signed-off-by: Daniel Ritz Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/Kconfig | 6 +++ drivers/usb/input/usbtouchscreen.c | 96 +++++++++++++++++++++++++++++++++++++- 2 files changed, 101 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig index 20db36448ab..661af7aa623 100644 --- a/drivers/usb/input/Kconfig +++ b/drivers/usb/input/Kconfig @@ -221,6 +221,7 @@ config USB_TOUCHSCREEN - ITM - some other eTurboTouch - Gunze AHL61 + - DMC TSC-10/25 Have a look at for a usage description and the required user-space stuff. @@ -258,6 +259,11 @@ config USB_TOUCHSCREEN_GUNZE bool "Gunze AHL61 device support" if EMBEDDED depends on USB_TOUCHSCREEN +config USB_TOUCHSCREEN_DMC_TSC10 + default y + bool "DMC TSC-10/25 device support" if EMBEDDED + depends on USB_TOUCHSCREEN + config USB_YEALINK tristate "Yealink usb-p1k voip phone" depends on USB && INPUT && EXPERIMENTAL diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c index 933ceddf3de..49704d4ed0e 100644 --- a/drivers/usb/input/usbtouchscreen.c +++ b/drivers/usb/input/usbtouchscreen.c @@ -8,6 +8,7 @@ * - PanJit TouchSet * - eTurboTouch * - Gunze AHL61 + * - DMC TSC-10/25 * * Copyright (C) 2004-2006 by Daniel Ritz * Copyright (C) by Todd E. Johnson (mtouchusb.c) @@ -30,6 +31,8 @@ * - ITM parts are from itmtouch.c * - 3M parts are from mtouchusb.c * - PanJit parts are from an unmerged driver by Lanslott Gish + * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged + * driver from Marius Vollmer * *****************************************************************************/ @@ -44,7 +47,7 @@ #include -#define DRIVER_VERSION "v0.4" +#define DRIVER_VERSION "v0.5" #define DRIVER_AUTHOR "Daniel Ritz " #define DRIVER_DESC "USB Touchscreen Driver" @@ -103,6 +106,7 @@ enum { DEVTYPE_ITM, DEVTYPE_ETURBO, DEVTYPE_GUNZE, + DEVTYPE_DMC_TSC10, }; static struct usb_device_id usbtouch_devices[] = { @@ -139,6 +143,10 @@ static struct usb_device_id usbtouch_devices[] = { {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE}, #endif +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10}, +#endif + {} }; @@ -312,6 +320,80 @@ static int gunze_read_data(unsigned char *pkt, int *x, int *y, int *touch, int * } #endif +/***************************************************************************** + * DMC TSC-10/25 Part + * + * Documentation about the controller and it's protocol can be found at + * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf + * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf + */ +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + +/* supported data rates. currently using 130 */ +#define TSC10_RATE_POINT 0x50 +#define TSC10_RATE_30 0x40 +#define TSC10_RATE_50 0x41 +#define TSC10_RATE_80 0x42 +#define TSC10_RATE_100 0x43 +#define TSC10_RATE_130 0x44 +#define TSC10_RATE_150 0x45 + +/* commands */ +#define TSC10_CMD_RESET 0x55 +#define TSC10_CMD_RATE 0x05 +#define TSC10_CMD_DATA1 0x01 + +static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) +{ + struct usb_device *dev = usbtouch->udev; + int ret; + unsigned char buf[2]; + + /* reset */ + buf[0] = buf[1] = 0xFF; + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_RESET, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + if (buf[0] != 0x06 || buf[1] != 0x00) + return -ENODEV; + + /* set coordinate output rate */ + buf[0] = buf[1] = 0xFF; + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_RATE, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + if (buf[0] != 0x06 || buf[1] != 0x00) + return -ENODEV; + + /* start sending data */ + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_DATA1, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + + return 0; +} + + +static int dmc_tsc10_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *press) +{ + *x = ((pkt[2] & 0x03) << 8) | pkt[1]; + *y = ((pkt[4] & 0x03) << 8) | pkt[3]; + *touch = pkt[0] & 0x01; + + return 1; +} +#endif + + /***************************************************************************** * the different device descriptors */ @@ -389,6 +471,18 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .read_data = gunze_read_data, }, #endif + +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + [DEVTYPE_DMC_TSC10] = { + .min_xc = 0x0, + .max_xc = 0x03ff, + .min_yc = 0x0, + .max_yc = 0x03ff, + .rept_size = 5, + .init = dmc_tsc10_init, + .read_data = dmc_tsc10_read_data, + }, +#endif }; -- cgit v1.2.3 From 827982c577cddbe50b2120e577a60f6376716900 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 20 Nov 2006 11:38:57 -0800 Subject: USB: pxa2xx_udc recognizes ixp425 rev b0 chip Make the pxa2xx_udc driver recognize a newer revision of the IXP425 chip. Signed-off-by: Milan Svoboda Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/pxa2xx_udc.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c index 671c24bc6d7..1ed506e9598 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa2xx_udc.c @@ -2472,6 +2472,7 @@ static struct pxa2xx_udc memory = { #define PXA210_B1 0x00000123 #define PXA210_B0 0x00000122 #define IXP425_A0 0x000001c1 +#define IXP425_B0 0x000001f1 #define IXP465_AD 0x00000200 /* @@ -2509,6 +2510,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) break; #elif defined(CONFIG_ARCH_IXP4XX) case IXP425_A0: + case IXP425_B0: case IXP465_AD: dev->has_cfr = 1; out_dma = 0; -- cgit v1.2.3 From 7481bb8a7f2fd6b411764e0dc91713b1a58fce4c Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 20 Nov 2006 11:41:39 -0800 Subject: USB: lh7a40x_udc remove double declaration Remove minor double-declaration goof. Signed-off-by: Milan Svoboda Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/lh7a40x_udc.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c index 179259664c1..4a991564a03 100644 --- a/drivers/usb/gadget/lh7a40x_udc.c +++ b/drivers/usb/gadget/lh7a40x_udc.c @@ -83,7 +83,6 @@ static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t); static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *); static int lh7a40x_set_halt(struct usb_ep *ep, int); static int lh7a40x_fifo_status(struct usb_ep *ep); -static int lh7a40x_fifo_status(struct usb_ep *ep); static void lh7a40x_fifo_flush(struct usb_ep *ep); static void lh7a40x_ep0_kick(struct lh7a40x_udc *dev, struct lh7a40x_ep *ep); static void lh7a40x_handle_ep0(struct lh7a40x_udc *dev, u32 intr); -- cgit v1.2.3 From 8bb22d2bdaac415965e7be1af8da2b8f3ee35f31 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 21 Nov 2006 22:02:54 +0100 Subject: USB: make drivers/usb/core/driver.c:usb_device_match() static usb_device_match() can now become static. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 44dd6103fb4..40c1bf09b2b 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -525,7 +525,7 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface, } EXPORT_SYMBOL_GPL_FUTURE(usb_match_id); -int usb_device_match(struct device *dev, struct device_driver *drv) +static int usb_device_match(struct device *dev, struct device_driver *drv) { /* devices and interfaces are handled separately */ if (is_usb_device(dev)) { -- cgit v1.2.3 From 54ecf1fba683f779a1b36abed9c843decafc7d5b Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Mon, 6 Nov 2006 17:37:20 +0100 Subject: USB: idmouse cleanup Just digging through code and found these needless variable initializations. So here is the patch. Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/idmouse.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index c5fee0033a8..c9418535bef 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -125,12 +125,12 @@ static DEFINE_MUTEX(disconnect_mutex); static int idmouse_create_image(struct usb_idmouse *dev) { - int bytes_read = 0; - int bulk_read = 0; - int result = 0; + int bytes_read; + int bulk_read; + int result; memcpy(dev->bulk_in_buffer, HEADER, sizeof(HEADER)-1); - bytes_read += sizeof(HEADER)-1; + bytes_read = sizeof(HEADER)-1; /* reset the device and set a fast blink rate */ result = ftip_command(dev, FTIP_RELEASE, 0, 0); @@ -208,9 +208,9 @@ static inline void idmouse_delete(struct usb_idmouse *dev) static int idmouse_open(struct inode *inode, struct file *file) { - struct usb_idmouse *dev = NULL; + struct usb_idmouse *dev; struct usb_interface *interface; - int result = 0; + int result; /* prevent disconnects */ mutex_lock(&disconnect_mutex); @@ -305,7 +305,7 @@ static ssize_t idmouse_read(struct file *file, char __user *buffer, size_t count loff_t * ppos) { struct usb_idmouse *dev; - int result = 0; + int result; dev = (struct usb_idmouse *) file->private_data; @@ -329,7 +329,7 @@ static int idmouse_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(interface); - struct usb_idmouse *dev = NULL; + struct usb_idmouse *dev; struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; int result; -- cgit v1.2.3 From afd21ee5abd0fef567dbfa234099304886ff83ce Mon Sep 17 00:00:00 2001 From: Julien BLACHE Date: Wed, 15 Nov 2006 00:00:17 -0500 Subject: USB: hid-core: canonical defines for Apple USB device IDs Use canonical defines for the Apple USB device IDs. Also add the Geyser IV devices missing in my previous patch. Signed-off-by: Julien BLACHE Acked-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/usb/input/hid-core.c | 37 ++++++++++++++++++++++++++----------- 1 file changed, 26 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index f7a67c4db51..a49644b7c58 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1640,6 +1640,19 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_APPLE 0x05ac #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f +#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214 +#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215 +#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216 +#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217 +#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218 +#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219 +#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a +#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b +#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c +#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a +#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 @@ -1807,17 +1820,19 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION }, - { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x021B, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE }, -- cgit v1.2.3 From 7ac9da10af7ffd94cfd07e097b93d588bbd32b75 Mon Sep 17 00:00:00 2001 From: Burman Yan Date: Wed, 22 Nov 2006 20:54:38 +0200 Subject: USB serial: replace kmalloc+memset with kzalloc Replace kmalloc+memset with kzalloc Signed-off-by: Yan Burman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ark3116.c | 3 +-- drivers/usb/serial/console.c | 6 ++---- drivers/usb/serial/garmin_gps.c | 3 +-- drivers/usb/serial/mos7840.c | 3 +-- drivers/usb/serial/ti_usb_3410_5052.c | 3 +-- 5 files changed, 6 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index ca52f12f0e2..863966c1c5a 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -85,10 +85,9 @@ static int ark3116_attach(struct usb_serial *serial) int i; for (i = 0; i < serial->num_ports; ++i) { - priv = kmalloc(sizeof (struct ark3116_private), GFP_KERNEL); + priv = kzalloc(sizeof(struct ark3116_private), GFP_KERNEL); if (!priv) goto cleanup; - memset(priv, 0x00, sizeof (struct ark3116_private)); spin_lock_init(&priv->lock); usb_set_serial_port_data(serial->port[i], priv); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 3a9073dbfe6..7167728d764 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -166,19 +166,17 @@ static int usb_console_setup(struct console *co, char *options) if (serial->type->set_termios) { /* build up a fake tty structure so that the open call has something * to look at to get the cflag value */ - tty = kmalloc (sizeof (*tty), GFP_KERNEL); + tty = kzalloc(sizeof(*tty), GFP_KERNEL); if (!tty) { err ("no more memory"); return -ENOMEM; } - termios = kmalloc (sizeof (*termios), GFP_KERNEL); + termios = kzalloc(sizeof(*termios), GFP_KERNEL); if (!termios) { err ("no more memory"); kfree (tty); return -ENOMEM; } - memset (tty, 0x00, sizeof(*tty)); - memset (termios, 0x00, sizeof(*termios)); termios->c_cflag = cflag; tty->termios = termios; port->tty = tty; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 4543152a996..6530d391ebe 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1523,12 +1523,11 @@ static int garmin_attach (struct usb_serial *serial) dbg("%s", __FUNCTION__); - garmin_data_p = kmalloc (sizeof(struct garmin_data), GFP_KERNEL); + garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL); if (garmin_data_p == NULL) { dev_err(&port->dev, "%s - Out of memory\n", __FUNCTION__); return -ENOMEM; } - memset (garmin_data_p, 0, sizeof(struct garmin_data)); init_timer(&garmin_data_p->timer); spin_lock_init(&garmin_data_p->lock); INIT_LIST_HEAD(&garmin_data_p->pktlist); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 5b71962d035..02c89e10b2c 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2596,12 +2596,11 @@ static int mos7840_startup(struct usb_serial *serial) /* set up port private structures */ for (i = 0; i < serial->num_ports; ++i) { - mos7840_port = kmalloc(sizeof(struct moschip_port), GFP_KERNEL); + mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL); if (mos7840_port == NULL) { err("%s - Out of memory", __FUNCTION__); return -ENOMEM; } - memset(mos7840_port, 0, sizeof(struct moschip_port)); /* Initialize all port interrupt end point to port 0 int endpoint * * Our device has only one interrupt end point comman to all port */ diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index bbbb993447b..ae98d8cbdbb 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -461,13 +461,12 @@ static int ti_startup(struct usb_serial *serial) /* set up port structures */ for (i = 0; i < serial->num_ports; ++i) { - tport = kmalloc(sizeof(struct ti_port), GFP_KERNEL); + tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL); if (tport == NULL) { dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__); status = -ENOMEM; goto free_tports; } - memset(tport, 0, sizeof(struct ti_port)); spin_lock_init(&tport->tp_lock); tport->tp_uart_base_addr = (i == 0 ? TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR); tport->tp_flags = low_latency ? ASYNC_LOW_LATENCY : 0; -- cgit v1.2.3 From 8feabf70f51f3f6772e2beda608a0ebca1dbf46a Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 24 Nov 2006 03:24:03 +0100 Subject: USB: build the appledisplay driver We do already have both the code and a config option, so why not build this driver? ;-) Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/Makefile | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 11dc59540cd..2cba07d3197 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -4,6 +4,7 @@ # obj-$(CONFIG_USB_ADUTUX) += adutux.o +obj-$(CONFIG_USB_APPLEDISPLAY) += appledisplay.o obj-$(CONFIG_USB_AUERSWALD) += auerswald.o obj-$(CONFIG_USB_CYPRESS_CY7C63)+= cypress_cy7c63.o obj-$(CONFIG_USB_CYTHERM) += cytherm.o -- cgit v1.2.3 From 9aa742ef7c1a7ff8e6df92a93ce3688e99fa66e3 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 23 Nov 2006 12:45:31 +0100 Subject: USB: endianness fix for asix.c the latest update for asix.c reverted some endianness fixes. This reinstates them. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/asix.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index 881841e600d..95e682e2c9d 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -249,9 +249,9 @@ asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; req->bRequest = cmd; - req->wValue = value; - req->wIndex = index; - req->wLength = size; + req->wValue = cpu_to_le16(value); + req->wIndex = cpu_to_le16(index); + req->wLength = cpu_to_le16(size); usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), -- cgit v1.2.3 From 10c8211c634f759633ffcdc3b0e2913963b32abc Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 23 Nov 2006 15:40:17 +0100 Subject: USB: pegasus error path not resetting task's state there is an error path in the pegasus driver which can leave the task in TASK_UNINTERRUPTIBLE. Depending on when it schedules next, this can be bad. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/net/pegasus.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index 33abbd2176b..69eb0db399d 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -163,6 +163,7 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size, /* using ATOMIC, we'd never wake up if we slept */ if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + set_current_state(TASK_RUNNING); if (ret == -ENODEV) netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) -- cgit v1.2.3 From 7e27780ffdf5fcf8675dfb278ca316a1f2b7e179 Mon Sep 17 00:00:00 2001 From: Sarah Bailey Date: Sat, 18 Nov 2006 22:30:16 -0800 Subject: USB: added dynamic major number for USB endpoints This patch is an update for Greg K-H's proposed usbfs2: http://sourceforge.net/mailarchive/message.php?msg_id=19295229 It creates a dynamic major for USB endpoints and fixes the endpoint minor calculation. Signed-off-by: Sarah Bailey Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/endpoint.c | 98 +++++++++++++++++++++++++++++++++++++++------ 1 file changed, 85 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index 3b2d137912b..c505b767cee 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -10,15 +10,20 @@ */ #include +#include +#include #include #include "usb.h" -/* endpoint stuff */ +#define MAX_ENDPOINT_MINORS (64*128*32) +static int usb_endpoint_major; +static DEFINE_IDR(endpoint_idr); struct ep_device { struct usb_endpoint_descriptor *desc; struct usb_device *udev; struct device dev; + int minor; }; #define to_ep_device(_dev) \ container_of(_dev, struct ep_device, dev) @@ -152,6 +157,55 @@ static struct attribute_group ep_dev_attr_grp = { .attrs = ep_dev_attrs, }; +static int usb_endpoint_major_init(void) +{ + dev_t dev; + int error; + + error = alloc_chrdev_region(&dev, 0, MAX_ENDPOINT_MINORS, + "usb_endpoint"); + if (error) { + err("unable to get a dynamic major for usb endpoints"); + return error; + } + usb_endpoint_major = MAJOR(dev); + + return error; +} + +static void usb_endpoint_major_cleanup(void) +{ + unregister_chrdev_region(MKDEV(usb_endpoint_major, 0), + MAX_ENDPOINT_MINORS); +} + +static int endpoint_get_minor(struct ep_device *ep_dev) +{ + static DEFINE_MUTEX(minor_lock); + int retval = -ENOMEM; + int id; + + mutex_lock(&minor_lock); + if (idr_pre_get(&endpoint_idr, GFP_KERNEL) == 0) + goto exit; + + retval = idr_get_new(&endpoint_idr, ep_dev, &id); + if (retval < 0) { + if (retval == -EAGAIN) + retval = -ENOMEM; + goto exit; + } + ep_dev->minor = id & MAX_ID_MASK; +exit: + mutex_unlock(&minor_lock); + return retval; +} + +static void endpoint_free_minor(struct ep_device *ep_dev) +{ + idr_remove(&endpoint_idr, ep_dev->minor); +} + static struct endpoint_class { struct kref kref; struct class *class; @@ -176,11 +230,20 @@ static int init_endpoint_class(void) ep_class->class = class_create(THIS_MODULE, "usb_endpoint"); if (IS_ERR(ep_class->class)) { result = IS_ERR(ep_class->class); - kfree(ep_class); - ep_class = NULL; - goto exit; + goto class_create_error; } + result = usb_endpoint_major_init(); + if (result) + goto endpoint_major_error; + + goto exit; + +endpoint_major_error: + class_destroy(ep_class->class); +class_create_error: + kfree(ep_class); + ep_class = NULL; exit: return result; } @@ -191,6 +254,7 @@ static void release_endpoint_class(struct kref *kref) class_destroy(ep_class->class); kfree(ep_class); ep_class = NULL; + usb_endpoint_major_cleanup(); } static void destroy_endpoint_class(void) @@ -213,7 +277,6 @@ int usb_create_ep_files(struct device *parent, { char name[8]; struct ep_device *ep_dev; - int minor; int retval; retval = init_endpoint_class(); @@ -226,12 +289,16 @@ int usb_create_ep_files(struct device *parent, goto error_alloc; } - /* fun calculation to determine the minor of this endpoint */ - minor = (((udev->bus->busnum - 1) * 128) * 16) + (udev->devnum - 1); + retval = endpoint_get_minor(ep_dev); + if (retval) { + dev_err(parent, "can not allocate minor number for %s", + ep_dev->dev.bus_id); + goto error_register; + } ep_dev->desc = &endpoint->desc; ep_dev->udev = udev; - ep_dev->dev.devt = MKDEV(442, minor); // FIXME fake number... + ep_dev->dev.devt = MKDEV(usb_endpoint_major, ep_dev->minor); ep_dev->dev.class = ep_class->class; ep_dev->dev.parent = parent; ep_dev->dev.release = ep_device_release; @@ -241,7 +308,7 @@ int usb_create_ep_files(struct device *parent, retval = device_register(&ep_dev->dev); if (retval) - goto error_register; + goto error_chrdev; retval = sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp); if (retval) goto error_group; @@ -261,6 +328,9 @@ error_group: destroy_endpoint_class(); return retval; +error_chrdev: + endpoint_free_minor(ep_dev); + error_register: kfree(ep_dev); error_alloc: @@ -271,14 +341,16 @@ exit: void usb_remove_ep_files(struct usb_host_endpoint *endpoint) { + struct ep_device *ep_dev = endpoint->ep_dev; - if (endpoint->ep_dev) { + if (ep_dev) { char name[8]; sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress); - sysfs_remove_link(&endpoint->ep_dev->dev.parent->kobj, name); - sysfs_remove_group(&endpoint->ep_dev->dev.kobj, &ep_dev_attr_grp); - device_unregister(&endpoint->ep_dev->dev); + sysfs_remove_link(&ep_dev->dev.parent->kobj, name); + sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp); + endpoint_free_minor(ep_dev); + device_unregister(&ep_dev->dev); endpoint->ep_dev = NULL; destroy_endpoint_class(); } -- cgit v1.2.3 From 958e8741bf9ff5d0f0b82b7cef578e96c764a288 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 9 Apr 2002 12:14:34 -0700 Subject: USB: add driver for the USB debug devices It's a simple usb-serial driver that just creates a tty device to read and write from. Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/Kconfig | 11 +++++++ drivers/usb/serial/Makefile | 1 + drivers/usb/serial/usb_debug.c | 65 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 77 insertions(+) create mode 100644 drivers/usb/serial/usb_debug.c (limited to 'drivers') diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 2a8dd4cc943..2f4d303ee36 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -554,6 +554,17 @@ config USB_SERIAL_OMNINET To compile this driver as a module, choose M here: the module will be called omninet. +config USB_SERIAL_DEBUG + tristate "USB Debugging Device" + depends on USB_SERIAL + help + Say Y here if you have a USB debugging device used to recieve + debugging data from another machine. The most common of these + devices is the NetChip TurboCONNECT device. + + To compile this driver as a module, choose M here: the + module will be called usb-debug. + config USB_EZUSB bool depends on USB_SERIAL_KEYSPAN_PDA || USB_SERIAL_XIRCOM || USB_SERIAL_KEYSPAN || USB_SERIAL_WHITEHEAT diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index a5047dc599b..61166ad450e 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_USB_SERIAL_BELKIN) += belkin_sa.o obj-$(CONFIG_USB_SERIAL_CP2101) += cp2101.o obj-$(CONFIG_USB_SERIAL_CYBERJACK) += cyberjack.o obj-$(CONFIG_USB_SERIAL_CYPRESS_M8) += cypress_m8.o +obj-$(CONFIG_USB_SERIAL_DEBUG) += usb_debug.o obj-$(CONFIG_USB_SERIAL_DIGI_ACCELEPORT) += digi_acceleport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT) += io_edgeport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += io_ti.o diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c new file mode 100644 index 00000000000..257a5e43687 --- /dev/null +++ b/drivers/usb/serial/usb_debug.c @@ -0,0 +1,65 @@ +/* + * USB Debug cable driver + * + * Copyright (C) 2006 Greg Kroah-Hartman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include + +static struct usb_device_id id_table [] = { + { USB_DEVICE(0x0525, 0x127a) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +static struct usb_driver debug_driver = { + .name = "debug", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, + .no_dynamic_id = 1, +}; + +static struct usb_serial_driver debug_device = { + .driver = { + .owner = THIS_MODULE, + .name = "debug", + }, + .id_table = id_table, + .num_interrupt_in = NUM_DONT_CARE, + .num_bulk_in = NUM_DONT_CARE, + .num_bulk_out = NUM_DONT_CARE, + .num_ports = 1, +}; + +static int __init debug_init(void) +{ + int retval; + + retval = usb_serial_register(&debug_device); + if (retval) + return retval; + retval = usb_register(&debug_driver); + if (retval) + usb_serial_deregister(&debug_device); + return retval; +} + +static void __exit debug_exit(void) +{ + usb_deregister(&debug_driver); + usb_serial_deregister(&debug_device); +} + +module_init(debug_init); +module_exit(debug_exit); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From c066475e1fe3b3afbd613ddf5f1eca9be4fb6de0 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 11 Aug 2006 01:55:12 -0700 Subject: USB: create a new thread for every USB device found during the probe sequence Might speed up some systems. If nothing else, a bad driver should not take the whole USB subsystem down with it. Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/Kconfig | 15 +++++++++ drivers/usb/core/hub.c | 81 +++++++++++++++++++++++++++++++++++------------- 2 files changed, 74 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index 6e3b5358a76..f8324d8d06a 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -72,6 +72,21 @@ config USB_SUSPEND If you are unsure about this, say N here. +config USB_MULTITHREAD_PROBE + bool "USB Multi-threaded probe (EXPERIMENTAL)" + depends on USB && EXPERIMENTAL + default n + help + Say Y here if you want the USB core to spawn a new thread for + every USB device that is probed. This can cause a small speedup + in boot times on systems with a lot of different USB devices. + + This option should be safe to enable, but if any odd probing + problems are found, please disable it, or dynamically turn it + off in the /sys/module/usbcore/parameters/multithread_probe + file + + When in doubt, say N. config USB_OTG bool diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index c961a32f317..f6e69218058 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -87,6 +87,16 @@ static DECLARE_WAIT_QUEUE_HEAD(khubd_wait); static struct task_struct *khubd_task; +/* multithreaded probe logic */ +static int multithread_probe = +#ifdef CONFIG_USB_MULTITHREAD_PROBE + 1; +#else + 0; +#endif +module_param(multithread_probe, bool, S_IRUGO); +MODULE_PARM_DESC(multithread_probe, "Run each USB device probe in a new thread"); + /* cycle leds on hubs that aren't blinking for attention */ static int blinkenlights = 0; module_param (blinkenlights, bool, S_IRUGO); @@ -1238,29 +1248,17 @@ static inline void show_string(struct usb_device *udev, char *id, char *string) static int __usb_port_suspend(struct usb_device *, int port1); #endif -/** - * usb_new_device - perform initial device setup (usbcore-internal) - * @udev: newly addressed device (in ADDRESS state) - * - * This is called with devices which have been enumerated, but not yet - * configured. The device descriptor is available, but not descriptors - * for any device configuration. The caller must have locked either - * the parent hub (if udev is a normal device) or else the - * usb_bus_list_lock (if udev is a root hub). The parent's pointer to - * udev has already been installed, but udev is not yet visible through - * sysfs or other filesystem code. - * - * Returns 0 for success (device is configured and listed, with its - * interfaces, in sysfs); else a negative errno value. - * - * This call is synchronous, and may not be used in an interrupt context. - * - * Only the hub driver or root-hub registrar should ever call this. - */ -int usb_new_device(struct usb_device *udev) +static int __usb_new_device(void *void_data) { + struct usb_device *udev = void_data; int err; + /* Lock ourself into memory in order to keep a probe sequence + * sleeping in a new thread from allowing us to be unloaded. + */ + if (!try_module_get(THIS_MODULE)) + return -EINVAL; + err = usb_get_configuration(udev); if (err < 0) { dev_err(&udev->dev, "can't read configurations, error %d\n", @@ -1356,13 +1354,52 @@ int usb_new_device(struct usb_device *udev) goto fail; } - return 0; +exit: + module_put(THIS_MODULE); + return err; fail: usb_set_device_state(udev, USB_STATE_NOTATTACHED); - return err; + goto exit; } +/** + * usb_new_device - perform initial device setup (usbcore-internal) + * @udev: newly addressed device (in ADDRESS state) + * + * This is called with devices which have been enumerated, but not yet + * configured. The device descriptor is available, but not descriptors + * for any device configuration. The caller must have locked either + * the parent hub (if udev is a normal device) or else the + * usb_bus_list_lock (if udev is a root hub). The parent's pointer to + * udev has already been installed, but udev is not yet visible through + * sysfs or other filesystem code. + * + * The return value for this function depends on if the + * multithread_probe variable is set or not. If it's set, it will + * return a if the probe thread was successfully created or not. If the + * variable is not set, it will return if the device is configured + * properly or not. interfaces, in sysfs); else a negative errno value. + * + * This call is synchronous, and may not be used in an interrupt context. + * + * Only the hub driver or root-hub registrar should ever call this. + */ +int usb_new_device(struct usb_device *udev) +{ + struct task_struct *probe_task; + int ret = 0; + + if (multithread_probe) { + probe_task = kthread_run(__usb_new_device, udev, + "usb-probe-%s", udev->devnum); + if (IS_ERR(probe_task)) + ret = PTR_ERR(probe_task); + } else + ret = __usb_new_device(udev); + + return ret; +} static int hub_port_status(struct usb_hub *hub, int port1, u16 *status, u16 *change) -- cgit v1.2.3 From 8c03356a559ced6fa78931f498193f776d67e445 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 9 Nov 2006 14:42:16 -0500 Subject: EHCI: Fix root-hub and port suspend/resume problems This patch (as738b) fixes numerous problems in the controller/root-hub suspend/resume/remote-wakeup support in ehci-hcd: The bus_resume() routine should wake up only the ports that were suspended by bus_suspend(). Ports that were already suspended should remain that way. The interrupt mask is used to detect loss of power in the bus_resume() routine (if the mask is 0 then power was lost). However bus_suspend() always sets the mask to 0. Instead the mask should retain its normal value, with port-change-detect interrupts disabled if remote wakeup is turned off. The interrupt mask should be reset to its correct value at the end of bus_resume() regardless of whether power was lost. bus_resume() reinitializes the operational registers if power was lost. However those registers are not in the aux power well, hence they can lose their values whenever the controller is put into D3. They should always be reinitialized. When a port-change interrupt occurs and the root hub is suspended, the interrupt handler should request a root-hub resume instead of starting up the controller all by itself. There's no need for the interrupt handler to request a root-hub resume every time a suspended port sends a remote-wakeup request. The pci_resume() method doesn't need to check for connected ports when deciding whether or not to reset the controller. It can make that decision based on whether Vaux power was maintained. Even when the controller does not need to be reset, pci_resume() must undo the effect of pci_suspend() by re-enabling the interrupt mask. If power was lost, pci_resume() must not call ehci_run(). At this point the root hub is still supposed to be suspended, not running. It's enough to rewrite the command register and set the configured_flag. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 6 ++-- drivers/usb/host/ehci-hub.c | 67 ++++++++++++++++++++++++++++----------------- drivers/usb/host/ehci-pci.c | 40 +++++++++++---------------- drivers/usb/host/ehci.h | 1 + 4 files changed, 61 insertions(+), 53 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index f2ceb5fdbeb..025d3331368 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -619,9 +619,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) unsigned i = HCS_N_PORTS (ehci->hcs_params); /* resume root hub? */ - status = readl (&ehci->regs->command); - if (!(status & CMD_RUN)) - writel (status | CMD_RUN, &ehci->regs->command); + if (!(readl(&ehci->regs->command) & CMD_RUN)) + usb_hcd_resume_root_hub(hcd); while (i--) { int pstatus = readl (&ehci->regs->port_status [i]); @@ -638,7 +637,6 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) */ ehci->reset_done [i] = jiffies + msecs_to_jiffies (20); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); - usb_hcd_resume_root_hub(hcd); } } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 0a56dfa2745..bfe5f307cba 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -34,6 +34,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); int port; + int mask; if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -51,14 +52,25 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci->reclaim_ready = 1; ehci_work(ehci); - /* suspend any active/unsuspended ports, maybe allow wakeup */ + /* Unlike other USB host controller types, EHCI doesn't have + * any notion of "global" or bus-wide suspend. The driver has + * to manually suspend all the active unsuspended ports, and + * then manually resume them in the bus_resume() routine. + */ + ehci->bus_suspended = 0; while (port--) { u32 __iomem *reg = &ehci->regs->port_status [port]; u32 t1 = readl (reg) & ~PORT_RWC_BITS; u32 t2 = t1; - if ((t1 & PORT_PE) && !(t1 & PORT_OWNER)) + /* keep track of which ports we suspend */ + if ((t1 & PORT_PE) && !(t1 & PORT_OWNER) && + !(t1 & PORT_SUSPEND)) { t2 |= PORT_SUSPEND; + set_bit(port, &ehci->bus_suspended); + } + + /* enable remote wakeup on all ports */ if (device_may_wakeup(&hcd->self.root_hub->dev)) t2 |= PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E; else @@ -76,6 +88,13 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci_halt (ehci); hcd->state = HC_STATE_SUSPENDED; + /* allow remote wakeup */ + mask = INTR_MASK; + if (!device_may_wakeup(&hcd->self.root_hub->dev)) + mask &= ~STS_PCD; + writel(mask, &ehci->regs->intr_enable); + readl(&ehci->regs->intr_enable); + ehci->next_statechange = jiffies + msecs_to_jiffies(10); spin_unlock_irq (&ehci->lock); return 0; @@ -88,7 +107,6 @@ static int ehci_bus_resume (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp; int i; - int intr_enable; if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -100,31 +118,30 @@ static int ehci_bus_resume (struct usb_hcd *hcd) * the last user of the controller, not reset/pm hardware keeping * state we gave to it. */ + temp = readl(&ehci->regs->intr_enable); + ehci_dbg(ehci, "resume root hub%s\n", temp ? "" : " after power loss"); - /* re-init operational registers in case we lost power */ - if (readl (&ehci->regs->intr_enable) == 0) { - /* at least some APM implementations will try to deliver - * IRQs right away, so delay them until we're ready. - */ - intr_enable = 1; - writel (0, &ehci->regs->segment); - writel (ehci->periodic_dma, &ehci->regs->frame_list); - writel ((u32)ehci->async->qh_dma, &ehci->regs->async_next); - } else - intr_enable = 0; - ehci_dbg(ehci, "resume root hub%s\n", - intr_enable ? " after power loss" : ""); + /* at least some APM implementations will try to deliver + * IRQs right away, so delay them until we're ready. + */ + writel(0, &ehci->regs->intr_enable); + + /* re-init operational registers */ + writel(0, &ehci->regs->segment); + writel(ehci->periodic_dma, &ehci->regs->frame_list); + writel((u32) ehci->async->qh_dma, &ehci->regs->async_next); /* restore CMD_RUN, framelist size, and irq threshold */ writel (ehci->command, &ehci->regs->command); - /* take ports out of suspend */ + /* manually resume the ports we suspended during bus_suspend() */ i = HCS_N_PORTS (ehci->hcs_params); while (i--) { temp = readl (&ehci->regs->port_status [i]); temp &= ~(PORT_RWC_BITS | PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E); - if (temp & PORT_SUSPEND) { + if (test_bit(i, &ehci->bus_suspended) && + (temp & PORT_SUSPEND)) { ehci->reset_done [i] = jiffies + msecs_to_jiffies (20); temp |= PORT_RESUME; } @@ -134,11 +151,12 @@ static int ehci_bus_resume (struct usb_hcd *hcd) mdelay (20); while (i--) { temp = readl (&ehci->regs->port_status [i]); - if ((temp & PORT_SUSPEND) == 0) - continue; - temp &= ~(PORT_RWC_BITS | PORT_RESUME); - writel (temp, &ehci->regs->port_status [i]); - ehci_vdbg (ehci, "resumed port %d\n", i + 1); + if (test_bit(i, &ehci->bus_suspended) && + (temp & PORT_SUSPEND)) { + temp &= ~(PORT_RWC_BITS | PORT_RESUME); + writel (temp, &ehci->regs->port_status [i]); + ehci_vdbg (ehci, "resumed port %d\n", i + 1); + } } (void) readl (&ehci->regs->command); @@ -157,8 +175,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) hcd->state = HC_STATE_RUNNING; /* Now we can safely re-enable irqs */ - if (intr_enable) - writel (INTR_MASK, &ehci->regs->intr_enable); + writel(INTR_MASK, &ehci->regs->intr_enable); spin_unlock_irq (&ehci->lock); return 0; diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index e51c1ed81ac..4bc7970ba3e 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -257,9 +257,7 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message) static int ehci_pci_resume(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - unsigned port; struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - int retval = -EINVAL; // maybe restore FLADJ @@ -269,27 +267,19 @@ static int ehci_pci_resume(struct usb_hcd *hcd) /* Mark hardware accessible again as we are out of D3 state by now */ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - /* If CF is clear, we lost PCI Vaux power and need to restart. */ - if (readl(&ehci->regs->configured_flag) != FLAG_CF) - goto restart; - - /* If any port is suspended (or owned by the companion), - * we know we can/must resume the HC (and mustn't reset it). - * We just defer that to the root hub code. + /* If CF is still set, we maintained PCI Vaux power. + * Just undo the effect of ehci_pci_suspend(). */ - for (port = HCS_N_PORTS(ehci->hcs_params); port > 0; ) { - u32 status; - port--; - status = readl(&ehci->regs->port_status [port]); - if (!(status & PORT_POWER)) - continue; - if (status & (PORT_SUSPEND | PORT_RESUME | PORT_OWNER)) { - usb_hcd_resume_root_hub(hcd); - return 0; - } + if (readl(&ehci->regs->configured_flag) == FLAG_CF) { + int mask = INTR_MASK; + + if (!device_may_wakeup(&hcd->self.root_hub->dev)) + mask &= ~STS_PCD; + writel(mask, &ehci->regs->intr_enable); + readl(&ehci->regs->intr_enable); + return 0; } -restart: ehci_dbg(ehci, "lost power, restarting\n"); usb_root_hub_lost_power(hcd->self.root_hub); @@ -307,13 +297,15 @@ restart: ehci_work(ehci); spin_unlock_irq(&ehci->lock); - /* restart; khubd will disconnect devices */ - retval = ehci_run(hcd); - /* here we "know" root ports should always stay powered */ ehci_port_power(ehci, 1); - return retval; + writel(ehci->command, &ehci->regs->command); + writel(FLAG_CF, &ehci->regs->configured_flag); + readl(&ehci->regs->command); /* unblock posted writes */ + + hcd->state = HC_STATE_SUSPENDED; + return 0; } #endif diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bbc3082a73d..74dbc6c8228 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -74,6 +74,7 @@ struct ehci_hcd { /* one per controller */ /* per root hub port */ unsigned long reset_done [EHCI_MAX_ROOT_PORTS]; + unsigned long bus_suspended; /* per-HC memory pools (could be per-bus, but ...) */ struct dma_pool *qh_pool; /* qh per active urb */ -- cgit v1.2.3 From 40f122f343797d02390c5a157372cac0c5b50bb7 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 9 Nov 2006 14:44:33 -0500 Subject: USB: Add autosuspend support to the hub driver This patch (as742b) adds autosuspend/autoresume support to the USB hub driver. The largest aspect of the change is that we no longer need a special flag for root hubs that want to be resumed. Now every hub is autoresumed whenever khubd needs to access it. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hub.c | 45 ++++++++++++++++++++++++++------------------- 1 file changed, 26 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index f6e69218058..55812a5ac66 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -65,7 +65,6 @@ struct usb_hub { unsigned limited_power:1; unsigned quiescing:1; unsigned activating:1; - unsigned resume_root_hub:1; unsigned has_indicators:1; u8 indicator[USB_MAXCHILDREN]; @@ -328,6 +327,9 @@ static void kick_khubd(struct usb_hub *hub) { unsigned long flags; + /* Suppress autosuspend until khubd runs */ + to_usb_interface(hub->intfdev)->pm_usage_cnt = 1; + spin_lock_irqsave(&hub_event_lock, flags); if (list_empty(&hub->event_list)) { list_add_tail(&hub->event_list, &hub_event_list); @@ -509,7 +511,6 @@ static void hub_quiesce(struct usb_hub *hub) /* (nonblocking) khubd and related activity won't re-trigger */ hub->quiescing = 1; hub->activating = 0; - hub->resume_root_hub = 0; /* (blocking) stop khubd and related activity */ usb_kill_urb(hub->urb); @@ -525,7 +526,7 @@ static void hub_activate(struct usb_hub *hub) hub->quiescing = 0; hub->activating = 1; - hub->resume_root_hub = 0; + status = usb_submit_urb(hub->urb, GFP_NOIO); if (status < 0) dev_err(hub->intfdev, "activate --> %d\n", status); @@ -940,6 +941,7 @@ descriptor_error: INIT_WORK(&hub->leds, led_work, hub); usb_set_intfdata (intf, hub); + intf->needs_remote_wakeup = 1; if (hdev->speed == USB_SPEED_HIGH) highspeed_hubs++; @@ -1938,6 +1940,8 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) } } + dev_dbg(&intf->dev, "%s\n", __FUNCTION__); + /* "global suspend" of the downstream HC-to-USB interface */ if (!hdev->parent) { struct usb_bus *bus = hdev->bus; @@ -1960,10 +1964,12 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) static int hub_resume(struct usb_interface *intf) { - struct usb_device *hdev = interface_to_usbdev(intf); struct usb_hub *hub = usb_get_intfdata (intf); + struct usb_device *hdev = hub->hdev; int status; + dev_dbg(&intf->dev, "%s\n", __FUNCTION__); + /* "global resume" of the downstream HC-to-USB interface */ if (!hdev->parent) { struct usb_bus *bus = hdev->bus; @@ -2002,7 +2008,6 @@ void usb_resume_root_hub(struct usb_device *hdev) { struct usb_hub *hub = hdev_to_hub(hdev); - hub->resume_root_hub = 1; kick_khubd(hub); } @@ -2639,16 +2644,13 @@ static void hub_events(void) intf = to_usb_interface(hub->intfdev); hub_dev = &intf->dev; - i = hub->resume_root_hub; - - dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x%s\n", + dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n", hdev->state, hub->descriptor ? hub->descriptor->bNbrPorts : 0, /* NOTE: expects max 15 ports... */ (u16) hub->change_bits[0], - (u16) hub->event_bits[0], - i ? ", resume root" : ""); + (u16) hub->event_bits[0]); usb_get_intf(intf); spin_unlock_irq(&hub_event_lock); @@ -2669,16 +2671,16 @@ static void hub_events(void) goto loop; } - /* Is this is a root hub wanting to reactivate the downstream - * ports? If so, be sure the interface resumes even if its - * stub "device" node was never suspended. - */ - if (i) - usb_autoresume_device(hdev, 0); + /* Autoresume */ + ret = usb_autopm_get_interface(intf); + if (ret) { + dev_dbg(hub_dev, "Can't autoresume: %d\n", ret); + goto loop; + } - /* If this is an inactive or suspended hub, do nothing */ + /* If this is an inactive hub, do nothing */ if (hub->quiescing) - goto loop; + goto loop_autopm; if (hub->error) { dev_dbg (hub_dev, "resetting for error %d\n", @@ -2688,7 +2690,7 @@ static void hub_events(void) if (ret) { dev_dbg (hub_dev, "error resetting hub: %d\n", ret); - goto loop; + goto loop_autopm; } hub->nerrors = 0; @@ -2816,6 +2818,10 @@ static void hub_events(void) if (!hdev->parent && !hub->busy_bits[0]) usb_enable_root_hub_irq(hdev->bus); +loop_autopm: + /* Allow autosuspend if we're not going to run again */ + if (list_empty(&hub->event_list)) + usb_autopm_enable(intf); loop: usb_unlock_device(hdev); usb_put_intf(intf); @@ -2857,6 +2863,7 @@ static struct usb_driver hub_driver = { .post_reset = hub_post_reset, .ioctl = hub_ioctl, .id_table = hub_id_table, + .supports_autosuspend = 1, }; int usb_hub_init(void) -- cgit v1.2.3 From 1f9fc882d92f3ff390455836f98d7ddc36d4e4c3 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 20 Nov 2006 11:06:59 -0500 Subject: OHCI: make autostop conditional on CONFIG_PM Unlike UHCI, OHCI does not exert any DMA load on the system when no devices are connected. Consequently there is no advantage to doing an autostop other than the power savings, so we shouldn't compile the necessary code unless CONFIG_PM is enabled. This patch (as820) makes the root-hub suspend and resume routines conditional on CONFIG_PM. It also prevents autostop from activating if the device_may_wakeup flag isn't set; some people use this flag to alert the driver about Resume-Detect bugs in the hardware. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-hub.c | 133 ++++++++++++++++++++++++++------------------ 1 file changed, 79 insertions(+), 54 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 4c9492779ed..2441642cb7b 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -56,7 +56,6 @@ static void finish_unlinks (struct ohci_hcd *, u16); #ifdef CONFIG_PM static int ohci_restart(struct ohci_hcd *ohci); -#endif static int ohci_rh_suspend (struct ohci_hcd *ohci, int autostop) __releases(ohci->lock) @@ -187,7 +186,6 @@ __acquires(ohci->lock) ohci_dbg (ohci, "lost power\n"); status = -EBUSY; } -#ifdef CONFIG_PM if (status == -EBUSY) { if (!autostopped) { spin_unlock_irq (&ohci->lock); @@ -197,7 +195,6 @@ __acquires(ohci->lock) } return status; } -#endif if (status != -EINPROGRESS) return status; if (autostopped) @@ -291,8 +288,6 @@ skip_resume: return 0; } -#ifdef CONFIG_PM - static int ohci_bus_suspend (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); @@ -330,6 +325,83 @@ static int ohci_bus_resume (struct usb_hcd *hcd) return rc; } +/* Carry out polling-, autostop-, and autoresume-related state changes */ +static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, + int any_connected) +{ + int poll_rh = 1; + + switch (ohci->hc_control & OHCI_CTRL_HCFS) { + + case OHCI_USB_OPER: + /* keep on polling until we know a device is connected + * and RHSC is enabled */ + if (!ohci->autostop) { + if (any_connected || + !device_may_wakeup(&ohci_to_hcd(ohci) + ->self.root_hub->dev)) { + if (ohci_readl(ohci, &ohci->regs->intrenable) & + OHCI_INTR_RHSC) + poll_rh = 0; + } else { + ohci->autostop = 1; + ohci->next_statechange = jiffies + HZ; + } + + /* if no devices have been attached for one second, autostop */ + } else { + if (changed || any_connected) { + ohci->autostop = 0; + ohci->next_statechange = jiffies + + STATECHANGE_DELAY; + } else if (time_after_eq(jiffies, + ohci->next_statechange) + && !ohci->ed_rm_list + && !(ohci->hc_control & + OHCI_SCHED_ENABLES)) { + ohci_rh_suspend(ohci, 1); + } + } + break; + + /* if there is a port change, autostart or ask to be resumed */ + case OHCI_USB_SUSPEND: + case OHCI_USB_RESUME: + if (changed) { + if (ohci->autostop) + ohci_rh_resume(ohci); + else + usb_hcd_resume_root_hub(ohci_to_hcd(ohci)); + } else { + /* everything is idle, no need for polling */ + poll_rh = 0; + } + break; + } + return poll_rh; +} + +#else /* CONFIG_PM */ + +static inline int ohci_rh_resume(struct ohci_hcd *ohci) +{ + return 0; +} + +/* Carry out polling-related state changes. + * autostop isn't used when CONFIG_PM is turned off. + */ +static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, + int any_connected) +{ + int poll_rh = 1; + + /* keep on polling until RHSC is enabled */ + if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC) + poll_rh = 0; + return poll_rh; +} + #endif /* CONFIG_PM */ /*-------------------------------------------------------------------------*/ @@ -382,55 +454,8 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) } } - hcd->poll_rh = 1; - - /* carry out appropriate state changes */ - switch (ohci->hc_control & OHCI_CTRL_HCFS) { - - case OHCI_USB_OPER: - /* keep on polling until we know a device is connected - * and RHSC is enabled */ - if (!ohci->autostop) { - if (any_connected) { - if (ohci_readl(ohci, &ohci->regs->intrenable) & - OHCI_INTR_RHSC) - hcd->poll_rh = 0; - } else { - ohci->autostop = 1; - ohci->next_statechange = jiffies + HZ; - } - - /* if no devices have been attached for one second, autostop */ - } else { - if (changed || any_connected) { - ohci->autostop = 0; - ohci->next_statechange = jiffies + - STATECHANGE_DELAY; - } else if (device_may_wakeup(&hcd->self.root_hub->dev) - && time_after_eq(jiffies, - ohci->next_statechange) - && !ohci->ed_rm_list - && !(ohci->hc_control & - OHCI_SCHED_ENABLES)) { - ohci_rh_suspend (ohci, 1); - } - } - break; - - /* if there is a port change, autostart or ask to be resumed */ - case OHCI_USB_SUSPEND: - case OHCI_USB_RESUME: - if (changed) { - if (ohci->autostop) - ohci_rh_resume (ohci); - else - usb_hcd_resume_root_hub (hcd); - } else { - /* everything is idle, no need for polling */ - hcd->poll_rh = 0; - } - break; - } + hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed, + any_connected); done: spin_unlock_irqrestore (&ohci->lock, flags); -- cgit v1.2.3 From ce3615879ae85373c03744b45b7c2d7ae5e29b2a Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 20 Nov 2006 11:12:22 -0500 Subject: USB: struct usb_device: change flag to bitflag This patch (as816) changes an existing flag in the usb_device structure to a bitflag, preparing the way for more bitflags to come in the future. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/message.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 7729c074488..5684d872292 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -764,7 +764,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) err = -EINVAL; goto errout; } else { - dev->have_langid = -1; + dev->have_langid = 1; dev->string_langid = tbuf[2] | (tbuf[3]<< 8); /* always use the first langid listed */ dev_dbg (&dev->dev, "default language 0x%04x\n", -- cgit v1.2.3 From d25450c68767481f7c9cc4823a6da8235db40be6 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 20 Nov 2006 11:14:30 -0500 Subject: USB hub: simplify remote-wakeup handling This patch (as817) simplifies the remote-wakeup processing in the hub driver. Now instead of using a specialized code path, it relies on the standard USB resume routines. The hub_port_resume() function does an initial get_port_status() to see whether the port has already resumed itself (as it does when a remote-wakeup request is sent). This will slow down handling of other resume events slightly, but not enough to matter. The patch also changes the hub_port_status() routine, making it return an error if a short reply is received. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hub.c | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 55812a5ac66..46df5e60764 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1409,10 +1409,12 @@ static int hub_port_status(struct usb_hub *hub, int port1, int ret; ret = get_port_status(hub->hdev, port1, &hub->status->port); - if (ret < 0) + if (ret < 4) { dev_err (hub->intfdev, "%s failed (err = %d)\n", __FUNCTION__, ret); - else { + if (ret >= 0) + ret = -EIO; + } else { *status = le16_to_cpu(hub->status->port.wPortStatus); *change = le16_to_cpu(hub->status->port.wPortChange); ret = 0; @@ -1760,6 +1762,12 @@ static int hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) { int status; + u16 portchange, portstatus; + + /* Skip the initial Clear-Suspend step for a remote wakeup */ + status = hub_port_status(hub, port1, &portstatus, &portchange); + if (status == 0 && !(portstatus & USB_PORT_STAT_SUSPEND)) + goto SuspendCleared; // dev_dbg(hub->intfdev, "resume port %d\n", port1); @@ -1773,9 +1781,6 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) "can't resume port %d, status %d\n", port1, status); } else { - u16 devstatus; - u16 portchange; - /* drive resume for at least 20 msec */ if (udev) dev_dbg(&udev->dev, "usb %sresume\n", @@ -1790,16 +1795,15 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) * stop resume signaling. Then finish the resume * sequence. */ - devstatus = portchange = 0; - status = hub_port_status(hub, port1, - &devstatus, &portchange); + status = hub_port_status(hub, port1, &portstatus, &portchange); +SuspendCleared: if (status < 0 - || (devstatus & LIVE_FLAGS) != LIVE_FLAGS - || (devstatus & USB_PORT_STAT_SUSPEND) != 0 + || (portstatus & LIVE_FLAGS) != LIVE_FLAGS + || (portstatus & USB_PORT_STAT_SUSPEND) != 0 ) { dev_dbg(hub->intfdev, "port %d status %04x.%04x after resume, %d\n", - port1, portchange, devstatus, status); + port1, portchange, portstatus, status); if (status >= 0) status = -ENODEV; } else { @@ -1860,23 +1864,16 @@ static int remote_wakeup(struct usb_device *udev) { int status = 0; - /* All this just to avoid sending a port-resume message - * to the parent hub! */ - usb_lock_device(udev); - usb_pm_lock(udev); if (udev->state == USB_STATE_SUSPENDED) { dev_dbg(&udev->dev, "usb %sresume\n", "wakeup-"); - /* TRSMRCY = 10 msec */ - msleep(10); - status = finish_port_resume(udev); + status = usb_autoresume_device(udev, 1); + + /* Give the interface drivers a chance to do something, + * then autosuspend the device again. */ if (status == 0) - udev->dev.power.power_state.event = PM_EVENT_ON; + usb_autosuspend_device(udev, 1); } - usb_pm_unlock(udev); - - if (status == 0) - usb_autoresume_device(udev, 0); usb_unlock_device(udev); return status; } -- cgit v1.2.3 From ee49fb5dc89d34f1794ac9362fa97c1a640f7ddd Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 22 Nov 2006 16:55:54 -0500 Subject: USB: keep count of unsuspended children This patch (as818b) simplifies autosuspend processing by keeping track of the number of unsuspended children of each USB hub. This will permit us to avoid a good deal of unnecessary work all the time; we will no longer have to create a bunch of workqueue entries to carry out autosuspend requests, only to have them fail because one of the hub's children isn't suspended. The basic idea is simple. There already is a usage counter in the usb_device structure for preventing autosuspends. The patch just increments that counter for every unsuspended child. There's only one tricky part: When a device disconnects we need to remember whether it was suspended at the time (leave the counter alone) or not (decrement the counter). Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 34 +++++++++++++++++++++++----------- drivers/usb/core/hub.c | 14 ++++++++++++++ 2 files changed, 37 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 40c1bf09b2b..0fa15bd62c4 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1048,7 +1048,7 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg) /* If the suspend succeeded, propagate it up the tree */ } else if (parent) - usb_autosuspend_device(parent, 0); + usb_autosuspend_device(parent, 1); // dev_dbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status); return status; @@ -1096,9 +1096,25 @@ int usb_resume_both(struct usb_device *udev) /* Propagate the resume up the tree, if necessary */ if (udev->state == USB_STATE_SUSPENDED) { if (parent) { - usb_pm_lock(parent); - parent->auto_pm = 1; - status = usb_resume_both(parent); + status = usb_autoresume_device(parent, 1); + if (status == 0) { + status = usb_resume_device(udev); + if (status) { + usb_autosuspend_device(parent, 1); + + /* It's possible usb_resume_device() + * failed after the port was + * unsuspended, causing udev to be + * logically disconnected. We don't + * want usb_disconnect() to autosuspend + * the parent again, so tell it that + * udev disconnected while still + * suspended. */ + if (udev->state == + USB_STATE_NOTATTACHED) + udev->discon_suspended = 1; + } + } } else { /* We can't progagate beyond the USB subsystem, @@ -1107,11 +1123,9 @@ int usb_resume_both(struct usb_device *udev) if (udev->dev.parent->power.power_state.event != PM_EVENT_ON) status = -EHOSTUNREACH; - } - if (status == 0) - status = usb_resume_device(udev); - if (parent) - usb_pm_unlock(parent); + else + status = usb_resume_device(udev); + } } else { /* Needed only for setting udev->dev.power.power_state.event @@ -1119,8 +1133,6 @@ int usb_resume_both(struct usb_device *udev) status = usb_resume_device(udev); } - /* Now the parent won't suspend until we are finished */ - if (status == 0 && udev->actconfig) { for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 46df5e60764..e46d38b1824 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1039,6 +1039,8 @@ static void recursively_mark_NOTATTACHED(struct usb_device *udev) if (udev->children[i]) recursively_mark_NOTATTACHED(udev->children[i]); } + if (udev->state == USB_STATE_SUSPENDED) + udev->discon_suspended = 1; udev->state = USB_STATE_NOTATTACHED; } @@ -1228,6 +1230,14 @@ void usb_disconnect(struct usb_device **pdev) *pdev = NULL; spin_unlock_irq(&device_state_lock); + /* Decrement the parent's count of unsuspended children */ + if (udev->parent) { + usb_pm_lock(udev); + if (!udev->discon_suspended) + usb_autosuspend_device(udev->parent, 1); + usb_pm_unlock(udev); + } + put_device(&udev->dev); } @@ -1356,6 +1366,10 @@ static int __usb_new_device(void *void_data) goto fail; } + /* Increment the parent's count of unsuspended children */ + if (udev->parent) + usb_autoresume_device(udev->parent, 1); + exit: module_put(THIS_MODULE); return err; -- cgit v1.2.3 From 94fcda1f8ab5e0cacc381c5ca1cc9aa6ad523576 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 20 Nov 2006 11:38:46 -0500 Subject: usbcore: remove unused argument in autosuspend Thanks to several earlier patches, usb_autosuspend_device() and usb_autoresume_device() are never called with a second argument other than 1. This patch (as819) removes the now-redundant argument. It also consolidates some common code between those two routines, putting it into a new subroutine called usb_autopm_do_device(). And it includes a sizable kerneldoc update for the affected functions. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/devio.c | 4 +- drivers/usb/core/driver.c | 102 +++++++++++++++++++++++++-------------------- drivers/usb/core/hub.c | 12 +++--- drivers/usb/core/message.c | 6 +-- drivers/usb/core/usb.h | 9 ++-- 5 files changed, 71 insertions(+), 62 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index fed92be63b5..3ed4cb2d56d 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -561,7 +561,7 @@ static int usbdev_open(struct inode *inode, struct file *file) dev = inode->i_private; if (!dev) goto out; - ret = usb_autoresume_device(dev, 1); + ret = usb_autoresume_device(dev); if (ret) goto out; @@ -609,7 +609,7 @@ static int usbdev_release(struct inode *inode, struct file *file) releaseintf(ps, ifnum); } destroy_all_async(ps); - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); usb_unlock_device(dev); usb_put_dev(dev); put_pid(ps->disc_pid); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 0fa15bd62c4..d6eb5ce1dd1 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -205,7 +205,7 @@ static int usb_probe_interface(struct device *dev) if (id) { dev_dbg(dev, "%s - got id\n", __FUNCTION__); - error = usb_autoresume_device(udev, 1); + error = usb_autoresume_device(udev); if (error) return error; @@ -229,7 +229,7 @@ static int usb_probe_interface(struct device *dev) } else intf->condition = USB_INTERFACE_BOUND; - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); } return error; @@ -247,7 +247,7 @@ static int usb_unbind_interface(struct device *dev) /* Autoresume for set_interface call below */ udev = interface_to_usbdev(intf); - error = usb_autoresume_device(udev, 1); + error = usb_autoresume_device(udev); /* release all urbs for this interface */ usb_disable_interface(interface_to_usbdev(intf), intf); @@ -265,7 +265,7 @@ static int usb_unbind_interface(struct device *dev) intf->needs_remote_wakeup = 0; if (!error) - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); return 0; } @@ -940,6 +940,8 @@ done: return status; } +#ifdef CONFIG_USB_SUSPEND + /* Internal routine to check whether we may autosuspend a device. */ static int autosuspend_check(struct usb_device *udev) { @@ -970,6 +972,12 @@ static int autosuspend_check(struct usb_device *udev) return 0; } +#else + +#define autosuspend_check(udev) 0 + +#endif + /** * usb_suspend_both - suspend a USB device and its interfaces * @udev: the usb_device to suspend @@ -1048,7 +1056,7 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg) /* If the suspend succeeded, propagate it up the tree */ } else if (parent) - usb_autosuspend_device(parent, 1); + usb_autosuspend_device(parent); // dev_dbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status); return status; @@ -1096,11 +1104,11 @@ int usb_resume_both(struct usb_device *udev) /* Propagate the resume up the tree, if necessary */ if (udev->state == USB_STATE_SUSPENDED) { if (parent) { - status = usb_autoresume_device(parent, 1); + status = usb_autoresume_device(parent); if (status == 0) { status = usb_resume_device(udev); if (status) { - usb_autosuspend_device(parent, 1); + usb_autosuspend_device(parent); /* It's possible usb_resume_device() * failed after the port was @@ -1146,39 +1154,53 @@ int usb_resume_both(struct usb_device *udev) #ifdef CONFIG_USB_SUSPEND +/* Internal routine to adjust a device's usage counter and change + * its autosuspend state. + */ +static int usb_autopm_do_device(struct usb_device *udev, int inc_usage_cnt) +{ + int status = 0; + + usb_pm_lock(udev); + udev->pm_usage_cnt += inc_usage_cnt; + WARN_ON(udev->pm_usage_cnt < 0); + if (inc_usage_cnt >= 0 && udev->pm_usage_cnt > 0) { + udev->auto_pm = 1; + status = usb_resume_both(udev); + if (status != 0) + udev->pm_usage_cnt -= inc_usage_cnt; + } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) + queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, + USB_AUTOSUSPEND_DELAY); + usb_pm_unlock(udev); + return status; +} + /** * usb_autosuspend_device - delayed autosuspend of a USB device and its interfaces * @udev: the usb_device to autosuspend - * @dec_usage_cnt: flag to decrement @udev's PM-usage counter * * This routine should be called when a core subsystem is finished using * @udev and wants to allow it to autosuspend. Examples would be when * @udev's device file in usbfs is closed or after a configuration change. * - * @dec_usage_cnt should be 1 if the subsystem previously incremented - * @udev's usage counter (such as by passing 1 to usb_autoresume_device); - * otherwise it should be 0. - * - * If the usage counter for @udev or any of its active interfaces is greater - * than 0, the autosuspend request will not be queued. (If an interface - * driver does not support autosuspend then its usage counter is permanently - * positive.) Likewise, if an interface driver requires remote-wakeup - * capability during autosuspend but remote wakeup is disabled, the - * autosuspend will fail. + * @udev's usage counter is decremented. If it or any of the usage counters + * for an active interface is greater than 0, no autosuspend request will be + * queued. (If an interface driver does not support autosuspend then its + * usage counter is permanently positive.) Furthermore, if an interface + * driver requires remote-wakeup capability during autosuspend but remote + * wakeup is disabled, the autosuspend will fail. * * Often the caller will hold @udev's device lock, but this is not * necessary. * * This routine can run only in process context. */ -void usb_autosuspend_device(struct usb_device *udev, int dec_usage_cnt) +void usb_autosuspend_device(struct usb_device *udev) { - usb_pm_lock(udev); - udev->pm_usage_cnt -= dec_usage_cnt; - if (autosuspend_check(udev) == 0) - queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); - usb_pm_unlock(udev); + int status; + + status = usb_autopm_do_device(udev, -1); // dev_dbg(&udev->dev, "%s: cnt %d\n", // __FUNCTION__, udev->pm_usage_cnt); } @@ -1186,39 +1208,27 @@ void usb_autosuspend_device(struct usb_device *udev, int dec_usage_cnt) /** * usb_autoresume_device - immediately autoresume a USB device and its interfaces * @udev: the usb_device to autoresume - * @inc_usage_cnt: flag to increment @udev's PM-usage counter * * This routine should be called when a core subsystem wants to use @udev - * and needs to guarantee that it is not suspended. In addition, the - * caller can prevent @udev from being autosuspended subsequently. (Note - * that this will not prevent suspend events originating in the PM core.) - * Examples would be when @udev's device file in usbfs is opened (autosuspend - * should be prevented until the file is closed) or when a remote-wakeup - * request is received (later autosuspends should not be prevented). + * and needs to guarantee that it is not suspended. No autosuspend will + * occur until usb_autosuspend_device is called. (Note that this will not + * prevent suspend events originating in the PM core.) Examples would be + * when @udev's device file in usbfs is opened or when a remote-wakeup + * request is received. * - * @inc_usage_cnt should be 1 to increment @udev's usage counter and prevent - * autosuspends. This prevention will persist until the usage counter is - * decremented again (such as by passing 1 to usb_autosuspend_device). - * Otherwise @inc_usage_cnt should be 0 to leave the usage counter unchanged. - * Regardless, if the autoresume fails then the usage counter is not - * incremented. + * @udev's usage counter is incremented to prevent subsequent autosuspends. + * However if the autoresume fails then the usage counter is re-decremented. * * Often the caller will hold @udev's device lock, but this is not * necessary (and attempting it might cause deadlock). * * This routine can run only in process context. */ -int usb_autoresume_device(struct usb_device *udev, int inc_usage_cnt) +int usb_autoresume_device(struct usb_device *udev) { int status; - usb_pm_lock(udev); - udev->pm_usage_cnt += inc_usage_cnt; - udev->auto_pm = 1; - status = usb_resume_both(udev); - if (status != 0) - udev->pm_usage_cnt -= inc_usage_cnt; - usb_pm_unlock(udev); + status = usb_autopm_do_device(udev, 1); // dev_dbg(&udev->dev, "%s: status %d cnt %d\n", // __FUNCTION__, status, udev->pm_usage_cnt); return status; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index e46d38b1824..0ce393eb3c4 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1234,7 +1234,7 @@ void usb_disconnect(struct usb_device **pdev) if (udev->parent) { usb_pm_lock(udev); if (!udev->discon_suspended) - usb_autosuspend_device(udev->parent, 1); + usb_autosuspend_device(udev->parent); usb_pm_unlock(udev); } @@ -1368,7 +1368,7 @@ static int __usb_new_device(void *void_data) /* Increment the parent's count of unsuspended children */ if (udev->parent) - usb_autoresume_device(udev->parent, 1); + usb_autoresume_device(udev->parent); exit: module_put(THIS_MODULE); @@ -1881,12 +1881,12 @@ static int remote_wakeup(struct usb_device *udev) usb_lock_device(udev); if (udev->state == USB_STATE_SUSPENDED) { dev_dbg(&udev->dev, "usb %sresume\n", "wakeup-"); - status = usb_autoresume_device(udev, 1); + status = usb_autoresume_device(udev); /* Give the interface drivers a chance to do something, * then autosuspend the device again. */ if (status == 0) - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); } usb_unlock_device(udev); return status; @@ -3099,7 +3099,7 @@ int usb_reset_composite_device(struct usb_device *udev, } /* Prevent autosuspend during the reset */ - usb_autoresume_device(udev, 1); + usb_autoresume_device(udev); if (iface && iface->condition != USB_INTERFACE_BINDING) iface = NULL; @@ -3142,7 +3142,7 @@ int usb_reset_composite_device(struct usb_device *udev, } } - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); return ret; } EXPORT_SYMBOL(usb_reset_composite_device); diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 5684d872292..29b0fa9ff9d 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1398,7 +1398,7 @@ free_interfaces: } /* Wake up the device so we can send it the Set-Config request */ - ret = usb_autoresume_device(dev, 1); + ret = usb_autoresume_device(dev); if (ret) goto free_interfaces; @@ -1421,7 +1421,7 @@ free_interfaces: dev->actconfig = cp; if (!cp) { usb_set_device_state(dev, USB_STATE_ADDRESS); - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); goto free_interfaces; } usb_set_device_state(dev, USB_STATE_CONFIGURED); @@ -1490,7 +1490,7 @@ free_interfaces: usb_create_sysfs_intf_files (intf); } - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); return 0; } diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 13322e33f91..17830a81be1 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -64,14 +64,13 @@ static inline void usb_pm_unlock(struct usb_device *udev) {} #define USB_AUTOSUSPEND_DELAY (HZ*2) -extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt); -extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt); +extern void usb_autosuspend_device(struct usb_device *udev); +extern int usb_autoresume_device(struct usb_device *udev); #else -#define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0) -static inline int usb_autoresume_device(struct usb_device *udev, - int inc_busy_cnt) +#define usb_autosuspend_device(udev) do {} while (0) +static inline int usb_autoresume_device(struct usb_device *udev) { return 0; } -- cgit v1.2.3 From 009af1ff78bfc30b9a27807dd0207fc32848218a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 27 Oct 2006 16:12:30 -0700 Subject: PCI: Let PCI_MULTITHREAD_PROBE not be broken It's not really broken, but people keep running into other problems caused by it. Re-enable it so that the drivers get stress tested. Signed-off-by: Greg Kroah-Hartman --- drivers/pci/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 5f1b9f58070..ecc50db8585 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -19,7 +19,7 @@ config PCI_MSI config PCI_MULTITHREAD_PROBE bool "PCI Multi-threaded probe (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL && BROKEN + depends on PCI && EXPERIMENTAL help Say Y here if you want the PCI core to spawn a new thread for every PCI device that is probed. This can cause a huge -- cgit v1.2.3 From e65e5fb5ceb02aaea7b65bf8b3b0d0c9057718b6 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 7 Nov 2006 18:21:21 +1100 Subject: PCI: Make some MSI-X #defines generic Move some MSI-X #defines into pci_regs.h so they can be used outside of drivers/pci. Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- drivers/pci/msi.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index f0cca1772f9..3898f523714 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -6,14 +6,6 @@ #ifndef MSI_H #define MSI_H -/* - * MSI-X Address Register - */ -#define PCI_MSIX_FLAGS_QSIZE 0x7FF -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) -#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) -#define PCI_MSIX_FLAGS_BITMASK (1 << 0) - #define PCI_MSIX_ENTRY_SIZE 16 #define PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET 0 #define PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET 4 -- cgit v1.2.3 From cc692a5f1e9816671b77da77c6d6c463156ba1c7 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 8 Nov 2006 16:17:15 -0800 Subject: PCI: save/restore PCI-X state Shouldn't PCI-X state be saved/restored? No device really needs this right now. qla24xx (fc HBA) and mthca (infiniband) don't do suspend, and sky2 resets its tweaks when links are brought up. Signed-off-by: Stephen Hemminger Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'drivers') diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a544997399b..0eaf381ae93 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -490,6 +490,47 @@ static void pci_restore_pcie_state(struct pci_dev *dev) kfree(save_state); } + +static int pci_save_pcix_state(struct pci_dev *dev) +{ + int pos, i = 0; + struct pci_cap_saved_state *save_state; + u16 *cap; + + pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); + if (pos <= 0) + return 0; + + save_state = kzalloc(sizeof(*save_state) + sizeof(u16), GFP_KERNEL); + if (!save_state) { + dev_err(&dev->dev, "Out of memory in pci_save_pcie_state\n"); + return -ENOMEM; + } + cap = (u16 *)&save_state->data[0]; + + pci_read_config_word(dev, pos + PCI_X_CMD, &cap[i++]); + pci_add_saved_cap(dev, save_state); + return 0; +} + +static void pci_restore_pcix_state(struct pci_dev *dev) +{ + int i = 0, pos; + struct pci_cap_saved_state *save_state; + u16 *cap; + + save_state = pci_find_saved_cap(dev, PCI_CAP_ID_PCIX); + pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); + if (!save_state || pos <= 0) + return; + cap = (u16 *)&save_state->data[0]; + + pci_write_config_word(dev, pos + PCI_X_CMD, cap[i++]); + pci_remove_saved_cap(save_state); + kfree(save_state); +} + + /** * pci_save_state - save the PCI configuration space of a device before suspending * @dev: - PCI device that we're dealing with @@ -507,6 +548,8 @@ pci_save_state(struct pci_dev *dev) return i; if ((i = pci_save_pcie_state(dev)) != 0) return i; + if ((i = pci_save_pcix_state(dev)) != 0) + return i; return 0; } @@ -538,6 +581,7 @@ pci_restore_state(struct pci_dev *dev) dev->saved_config_space[i]); } } + pci_restore_pcix_state(dev); pci_restore_msi_state(dev); pci_restore_msix_state(dev); return 0; -- cgit v1.2.3 From 368c73d4f689dae0807d0a2aa74c61fd2b9b075f Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 4 Oct 2006 00:41:26 +0100 Subject: PCI: quirks: fix the festering mess that claims to handle IDE quirks The number of permutations of crap we do is amazing and almost all of it has the wrong effect in 2.6. At the heart of this is the PCI SFF magic which says that compatibility mode PCI IDE controllers use ISA IRQ routing and hard coded addresses not the BAR values. The old quirks variously clears them, sets them, adjusts them and then IDE ignores the result. In order to drive all this garbage out and to do it portably we need to handle the SFF rules directly and properly. Because we know the device BAR 0-3 are not used in compatibility mode we load them with the values that are implied (and indeed which many controllers actually thoughtfully put there in this mode anyway). This removes special cases in the IDE layer and libata which now knows that bar 0/1/2/3 always contain the correct address. It means our resource allocation map is accurate from boot, not "mostly accurate" after ide is loaded, and it shoots lots of code. There is also lots more code and magic constant knowledge to shoot once this is in and settled. Been in my test tree for a while both with drivers/ide and with libata. Wants some -mm shakedown in case I've missed something dumb or there are corner cases lurking. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/pci/probe.c | 27 ++++++++++++++++++++++++ drivers/pci/quirks.c | 59 +++------------------------------------------------- 2 files changed, 30 insertions(+), 56 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index e159d660449..0eeac60042b 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -679,6 +679,33 @@ static int pci_setup_device(struct pci_dev * dev) pci_read_bases(dev, 6, PCI_ROM_ADDRESS); pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &dev->subsystem_vendor); pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &dev->subsystem_device); + + /* + * Do the ugly legacy mode stuff here rather than broken chip + * quirk code. Legacy mode ATA controllers have fixed + * addresses. These are not always echoed in BAR0-3, and + * BAR0-3 in a few cases contain junk! + */ + if (class == PCI_CLASS_STORAGE_IDE) { + u8 progif; + pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); + if ((progif & 1) == 0) { + dev->resource[0].start = 0x1F0; + dev->resource[0].end = 0x1F7; + dev->resource[0].flags = IORESOURCE_IO; + dev->resource[1].start = 0x3F6; + dev->resource[1].end = 0x3F6; + dev->resource[1].flags = IORESOURCE_IO; + } + if ((progif & 4) == 0) { + dev->resource[2].start = 0x170; + dev->resource[2].end = 0x177; + dev->resource[2].flags = IORESOURCE_IO; + dev->resource[3].start = 0x376; + dev->resource[3].end = 0x376; + dev->resource[3].flags = IORESOURCE_IO; + } + } break; case PCI_HEADER_TYPE_BRIDGE: /* bridge header */ diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 5b448381169..9ca9b9bf616 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -796,56 +796,6 @@ static void __init quirk_mediagx_master(struct pci_dev *dev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master ); -/* - * As per PCI spec, ignore base address registers 0-3 of the IDE controllers - * running in Compatible mode (bits 0 and 2 in the ProgIf for primary and - * secondary channels respectively). If the device reports Compatible mode - * but does use BAR0-3 for address decoding, we assume that firmware has - * programmed these BARs with standard values (0x1f0,0x3f4 and 0x170,0x374). - * Exceptions (if they exist) must be handled in chip/architecture specific - * fixups. - * - * Note: for non x86 people. You may need an arch specific quirk to handle - * moving IDE devices to native mode as well. Some plug in card devices power - * up in compatible mode and assume the BIOS will adjust them. - * - * Q: should we load the 0x1f0,0x3f4 into the registers or zap them as - * we do now ? We don't want is pci_enable_device to come along - * and assign new resources. Both approaches work for that. - */ -static void __devinit quirk_ide_bases(struct pci_dev *dev) -{ - struct resource *res; - int first_bar = 2, last_bar = 0; - - if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) - return; - - res = &dev->resource[0]; - - /* primary channel: ProgIf bit 0, BAR0, BAR1 */ - if (!(dev->class & 1) && (res[0].flags || res[1].flags)) { - res[0].start = res[0].end = res[0].flags = 0; - res[1].start = res[1].end = res[1].flags = 0; - first_bar = 0; - last_bar = 1; - } - - /* secondary channel: ProgIf bit 2, BAR2, BAR3 */ - if (!(dev->class & 4) && (res[2].flags || res[3].flags)) { - res[2].start = res[2].end = res[2].flags = 0; - res[3].start = res[3].end = res[3].flags = 0; - last_bar = 3; - } - - if (!last_bar) - return; - - printk(KERN_INFO "PCI: Ignoring BAR%d-%d of IDE controller %s\n", - first_bar, last_bar, pci_name(dev)); -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, quirk_ide_bases); - /* * Ensure C0 rev restreaming is off. This is normally done by * the BIOS but in the odd case it is not the results are corruption @@ -880,11 +830,10 @@ static void __devinit quirk_svwks_csb5ide(struct pci_dev *pdev) prog &= ~5; pdev->class &= ~5; pci_write_config_byte(pdev, PCI_CLASS_PROG, prog); - /* need to re-assign BARs for compat mode */ - quirk_ide_bases(pdev); + /* PCI layer will sort out resources */ } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, quirk_svwks_csb5ide ); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, quirk_svwks_csb5ide ); /* * Intel 82801CAM ICH3-M datasheet says IDE modes must be the same @@ -900,11 +849,9 @@ static void __init quirk_ide_samemode(struct pci_dev *pdev) prog &= ~5; pdev->class &= ~5; pci_write_config_byte(pdev, PCI_CLASS_PROG, prog); - /* need to re-assign BARs for compat mode */ - quirk_ide_bases(pdev); } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_samemode); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_samemode); /* This was originally an Alpha specific thing, but it really fits here. * The i82375 PCI/EISA bridge appears as non-classified. Fix that. -- cgit v1.2.3 From ebf5a24829def5d066922ceebde61dd57fdc6b1e Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Tue, 10 Oct 2006 08:01:20 -0600 Subject: PCI: Use pci_generic_prep_mwi on sparc64 The setting of the CACHE_LINE_SIZE register in sparc64's pci initialisation code isn't quite adequate as the device may have incompatible requirements. The generic code tests for this, so switch sparc64 over to using it. Since sparc64 has different L1 cache line size and PCI cache line size, it would need to override the generic code like i386 and ia64 do. We know what the cache line size is at compile time though, so introduce a new optional constant PCI_CACHE_LINE_BYTES. Signed-off-by: Matthew Wilcox Signed-off-by: David Miller Acked-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 0eaf381ae93..bc88c30a418 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -876,8 +876,14 @@ pci_set_master(struct pci_dev *dev) } #ifndef HAVE_ARCH_PCI_MWI + +#ifndef PCI_CACHE_LINE_BYTES +#define PCI_CACHE_LINE_BYTES L1_CACHE_BYTES +#endif + /* This can be overridden by arch code. */ -u8 pci_cache_line_size = L1_CACHE_BYTES >> 2; +/* Don't forget this is measured in 32-bit words, not bytes */ +u8 pci_cache_line_size = PCI_CACHE_LINE_BYTES / 4; /** * pci_generic_prep_mwi - helper function for pci_set_mwi -- cgit v1.2.3 From edb2d97eb57b7a21c9256260562de6a65dda86cc Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Tue, 10 Oct 2006 08:01:21 -0600 Subject: PCI: Replace HAVE_ARCH_PCI_MWI with PCI_DISABLE_MWI pSeries is the only architecture left using HAVE_ARCH_PCI_MWI and it's really inappropriate for its needs. It really wants to disable MWI altogether. So here are a pair of stub implementations for pci_set_mwi and pci_clear_mwi. Also rename pci_generic_prep_mwi to pci_set_cacheline_size since that better reflects what it does. Signed-off-by: Matthew Wilcox Cc: Paul Mackerras Acked-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci.c | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index bc88c30a418..427991741cf 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -875,7 +875,17 @@ pci_set_master(struct pci_dev *dev) pcibios_set_master(dev); } -#ifndef HAVE_ARCH_PCI_MWI +#ifdef PCI_DISABLE_MWI +int pci_set_mwi(struct pci_dev *dev) +{ + return 0; +} + +void pci_clear_mwi(struct pci_dev *dev) +{ +} + +#else #ifndef PCI_CACHE_LINE_BYTES #define PCI_CACHE_LINE_BYTES L1_CACHE_BYTES @@ -886,17 +896,17 @@ pci_set_master(struct pci_dev *dev) u8 pci_cache_line_size = PCI_CACHE_LINE_BYTES / 4; /** - * pci_generic_prep_mwi - helper function for pci_set_mwi - * @dev: the PCI device for which MWI is enabled + * pci_set_cacheline_size - ensure the CACHE_LINE_SIZE register is programmed + * @dev: the PCI device for which MWI is to be enabled * - * Helper function for generic implementation of pcibios_prep_mwi - * function. Originally copied from drivers/net/acenic.c. + * Helper function for pci_set_mwi. + * Originally copied from drivers/net/acenic.c. * Copyright 1998-2001 by Jes Sorensen, . * * RETURNS: An appropriate -ERRNO error value on error, or zero for success. */ static int -pci_generic_prep_mwi(struct pci_dev *dev) +pci_set_cacheline_size(struct pci_dev *dev) { u8 cacheline_size; @@ -922,7 +932,6 @@ pci_generic_prep_mwi(struct pci_dev *dev) return -EINVAL; } -#endif /* !HAVE_ARCH_PCI_MWI */ /** * pci_set_mwi - enables memory-write-invalidate PCI transaction @@ -940,12 +949,7 @@ pci_set_mwi(struct pci_dev *dev) int rc; u16 cmd; -#ifdef HAVE_ARCH_PCI_MWI - rc = pcibios_prep_mwi(dev); -#else - rc = pci_generic_prep_mwi(dev); -#endif - + rc = pci_set_cacheline_size(dev); if (rc) return rc; @@ -976,6 +980,7 @@ pci_clear_mwi(struct pci_dev *dev) pci_write_config_word(dev, PCI_COMMAND, cmd); } } +#endif /* ! PCI_DISABLE_MWI */ /** * pci_intx - enables/disables PCI INTx for device dev -- cgit v1.2.3 From 9f581f162e2b304be25dee49bf3945d4ed65dfb6 Mon Sep 17 00:00:00 2001 From: John Keller Date: Wed, 4 Oct 2006 16:49:35 -0500 Subject: Altix: SN ACPI hotplug support. A few minor changes to the way slot/device fixup is done. No need to be calling sn_pci_controller_fixup(), as a root bus cannot be hotplugged. Signed-off-by: John Keller Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/sgi_hotplug.c | 35 +++++++++++++---------------------- 1 file changed, 13 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index b62ad31a973..5d188c55838 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -205,21 +205,6 @@ static struct hotplug_slot * sn_hp_destroy(void) return bss_hotplug_slot; } -static void sn_bus_alloc_data(struct pci_dev *dev) -{ - struct pci_bus *subordinate_bus; - struct pci_dev *child; - - sn_pci_fixup_slot(dev); - - /* Recursively sets up the sn_irq_info structs */ - if (dev->subordinate) { - subordinate_bus = dev->subordinate; - list_for_each_entry(child, &subordinate_bus->devices, bus_list) - sn_bus_alloc_data(child); - } -} - static void sn_bus_free_data(struct pci_dev *dev) { struct pci_bus *subordinate_bus; @@ -337,6 +322,11 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot, return rc; } +/* + * Power up and configure the slot via a SAL call to PROM. + * Scan slot (and any children), do any platform specific fixup, + * and find device driver. + */ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) { struct slot *slot = bss_hotplug_slot->private; @@ -345,6 +335,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) int func, num_funcs; int new_ppb = 0; int rc; + void pcibios_fixup_device_resources(struct pci_dev *); /* Serialize the Linux PCI infrastructure */ mutex_lock(&sn_hotplug_mutex); @@ -367,9 +358,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) return -ENODEV; } - sn_pci_controller_fixup(pci_domain_nr(slot->pci_bus), - slot->pci_bus->number, - slot->pci_bus); /* * Map SN resources for all functions on the card * to the Linux PCI interface and tell the drivers @@ -380,6 +368,13 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) PCI_DEVFN(slot->device_num + 1, PCI_FUNC(func))); if (dev) { + /* Need to do slot fixup on PPB before fixup of children + * (PPB's pcidev_info needs to be in pcidev_info list + * before child's SN_PCIDEV_INFO() call to setup + * pdi_host_pcidev_info). + */ + pcibios_fixup_device_resources(dev); + sn_pci_fixup_slot(dev); if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { unsigned char sec_bus; pci_read_config_byte(dev, PCI_SECONDARY_BUS, @@ -387,12 +382,8 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) new_bus = pci_add_new_bus(dev->bus, dev, sec_bus); pci_scan_child_bus(new_bus); - sn_pci_controller_fixup(pci_domain_nr(new_bus), - new_bus->number, - new_bus); new_ppb = 1; } - sn_bus_alloc_data(dev); pci_dev_put(dev); } } -- cgit v1.2.3 From a2302c68d923537436b1114aa207787c1a31bd50 Mon Sep 17 00:00:00 2001 From: John Keller Date: Wed, 4 Oct 2006 16:49:52 -0500 Subject: Altix: Initial ACPI support - ROM shadowing. Support a shadowed ROM when running with an ACPI capable PROM. Define a new dev.resource flag IORESOURCE_ROM_BIOS_COPY to describe the case of a BIOS shadowed ROM, which can then be used to avoid pci_map_rom() making an unneeded call to pci_enable_rom(). Signed-off-by: John Keller Signed-off-by: Greg Kroah-Hartman --- drivers/pci/rom.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index e1dcefc69bb..d087e081771 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -81,7 +81,8 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) start = (loff_t)0xC0000; *size = 0x20000; /* cover C000:0 through E000:0 */ } else { - if (res->flags & IORESOURCE_ROM_COPY) { + if (res->flags & + (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) { *size = pci_resource_len(pdev, PCI_ROM_RESOURCE); return (void __iomem *)(unsigned long) pci_resource_start(pdev, PCI_ROM_RESOURCE); @@ -165,7 +166,8 @@ void __iomem *pci_map_rom_copy(struct pci_dev *pdev, size_t *size) if (!rom) return NULL; - if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW)) + if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW | + IORESOURCE_ROM_BIOS_COPY)) return rom; res->start = (unsigned long)kmalloc(*size, GFP_KERNEL); @@ -191,7 +193,7 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom) { struct resource *res = &pdev->resource[PCI_ROM_RESOURCE]; - if (res->flags & IORESOURCE_ROM_COPY) + if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) return; iounmap(rom); @@ -215,6 +217,7 @@ void pci_remove_rom(struct pci_dev *pdev) sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr); if (!(res->flags & (IORESOURCE_ROM_ENABLE | IORESOURCE_ROM_SHADOW | + IORESOURCE_ROM_BIOS_COPY | IORESOURCE_ROM_COPY))) pci_disable_rom(pdev); } -- cgit v1.2.3 From 467c442f092e22acf86a3b4ad4863d097d7257da Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 30 Oct 2006 13:07:58 -0800 Subject: acpiphp: fix use of list_for_each macro This patch fixes invalid usage of list_for_each() list_for_each (node, &bridge_list) { bridge = (struct acpiphp_bridge *)node; ... } This code works while the member of list node is located at the head of struct acpiphp_bridge. Signed-off-by: Akinobu Mita Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/acpiphp_glue.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 16167b01626..0b9d0db1590 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -1693,14 +1693,10 @@ void __exit acpiphp_glue_exit(void) */ int __init acpiphp_get_num_slots(void) { - struct list_head *node; struct acpiphp_bridge *bridge; - int num_slots; - - num_slots = 0; + int num_slots = 0; - list_for_each (node, &bridge_list) { - bridge = (struct acpiphp_bridge *)node; + list_for_each_entry (bridge, &bridge_list, list) { dbg("Bus %04x:%02x has %d slot%s\n", pci_domain_nr(bridge->pci_bus), bridge->pci_bus->number, bridge->nr_slots, -- cgit v1.2.3 From 0a9dee2739fd4385e83c3316e3f3bee641796638 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 30 Oct 2006 13:08:04 -0800 Subject: acpiphp: fix missing acpiphp_glue_exit() acpiphp_glue_exit() needs to be called to unwind when no slots found. (It fixes data corruption when reloading acpiphp driver with no such devices) Signed-off-by: Akinobu Mita Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/acpiphp_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index c57d9d5ce84..c8b69074114 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -303,8 +303,10 @@ static int __init init_acpi(void) /* read initial number of slots */ if (!retval) { num_slots = acpiphp_get_num_slots(); - if (num_slots == 0) + if (num_slots == 0) { + acpiphp_glue_exit(); retval = -ENODEV; + } } return retval; -- cgit v1.2.3 From 0dcb2b7e722f62b886f28b01150860de67d219fa Mon Sep 17 00:00:00 2001 From: Kristen Carlson Accardi Date: Mon, 30 Oct 2006 13:08:12 -0800 Subject: pci: clear osc support flags if no _OSC method So it looks like pci aer code will call pci_osc_support_set to tell the firmware about OSC_EXT_PCI_CONFIG_SUPPORT flag. that causes ctrlset_buf[OSC_SUPPORT_TYPE] to evaluate to true when pciehp calls pci_osc_control_set() is called (to attempt to use OSC to gain native pcie control from firmware), regardless of whether or not _OSC was actually successfully executed. That causes this section of code: if (ctrlset_buf[OSC_SUPPORT_TYPE] && ((global_ctrlsets & ctrlset) != ctrlset)) { return AE_SUPPORT; } to be hit. This patch will reset the OSC_SUPPORT_TYPE field if _OSC fails, and then would allow pciehp to go ahead and try to run _OSC again. Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci-acpi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index bb7456c1dba..a064f36a080 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -36,6 +36,7 @@ acpi_query_osc ( struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *out_obj; u32 osc_dw0; + acpi_status *ret_status = (acpi_status *)retval; /* Setting up input parameters */ @@ -56,6 +57,7 @@ acpi_query_osc ( if (ACPI_FAILURE (status)) { printk(KERN_DEBUG "Evaluate _OSC Set fails. Status = 0x%04x\n", status); + *ret_status = status; return status; } out_obj = output.pointer; @@ -90,6 +92,7 @@ acpi_query_osc ( query_osc_out: kfree(output.pointer); + *ret_status = status; return status; } @@ -166,6 +169,7 @@ run_osc_out: acpi_status pci_osc_support_set(u32 flags) { u32 temp; + acpi_status retval; if (!(flags & OSC_SUPPORT_MASKS)) { return AE_TYPE; @@ -179,9 +183,13 @@ acpi_status pci_osc_support_set(u32 flags) acpi_get_devices ( PCI_ROOT_HID_STRING, acpi_query_osc, ctrlset_buf, - NULL ); + (void **) &retval ); ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE; ctrlset_buf[OSC_CONTROL_TYPE] = temp; + if (ACPI_FAILURE(retval)) { + /* no osc support at all */ + ctrlset_buf[OSC_SUPPORT_TYPE] = 0; + } return AE_OK; } EXPORT_SYMBOL(pci_osc_support_set); -- cgit v1.2.3 From 50bf14b3ff05fb6e10688021b96f95d30a300f8d Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 8 Nov 2006 19:53:59 -0800 Subject: pci: fix __pci_register_driver error handling __pci_register_driver() error path forgot to unwind. driver_unregister() needs to be called when pci_create_newid_file() failed. Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci-driver.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 194f1d21d3d..84ec9c8f670 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -445,9 +445,12 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner) /* register with core */ error = driver_register(&drv->driver); + if (error) + return error; - if (!error) - error = pci_create_newid_file(drv); + error = pci_create_newid_file(drv); + if (error) + driver_unregister(&drv->driver); return error; } -- cgit v1.2.3 From 7ea7e98fd8d02351c43ef4ab35d70f3aaa26c31d Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Thu, 19 Oct 2006 09:41:28 -0600 Subject: PCI: Block on access to temporarily unavailable pci device The existing implementation of pci_block_user_cfg_access() was recently criticised for providing out of date information and for returning errors on write, which applications won't be expecting. This reimplementation uses a global wait queue and a bit per device. I've open-coded prepare_to_wait() / finish_wait() as I could optimise it significantly by knowing that the pci_lock protected us at all points. It looked a bit funny to be doing a spin_unlock_irqsave(); schedule(), so I used spin_lock_irq() for the _user versions of pci_read_config and pci_write_config. Not carrying a flags pointer around made the code much less nasty. Attempts to block an already blocked device hit a BUG() and attempts to unblock an already unblocked device hit a WARN(). If we need to block access to a device from userspace, it's because it's unsafe for even another bit of the kernel to access the device. An attempt to block a device for a second time means we're about to access the device to perform some other operation, which could provoke undefined behaviour from the device. Signed-off-by: Matthew Wilcox Acked-by: Adam Belay Acked-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/pci/access.c | 75 ++++++++++++++++++++++++++++++++-------------------- 1 file changed, 47 insertions(+), 28 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/access.c b/drivers/pci/access.c index ea16805a153..73a58c73d52 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -1,6 +1,7 @@ #include #include #include +#include #include "pci.h" @@ -63,30 +64,42 @@ EXPORT_SYMBOL(pci_bus_write_config_byte); EXPORT_SYMBOL(pci_bus_write_config_word); EXPORT_SYMBOL(pci_bus_write_config_dword); -static u32 pci_user_cached_config(struct pci_dev *dev, int pos) -{ - u32 data; +/* + * The following routines are to prevent the user from accessing PCI config + * space when it's unsafe to do so. Some devices require this during BIST and + * we're required to prevent it during D-state transitions. + * + * We have a bit per device to indicate it's blocked and a global wait queue + * for callers to sleep on until devices are unblocked. + */ +static DECLARE_WAIT_QUEUE_HEAD(pci_ucfg_wait); - data = dev->saved_config_space[pos/sizeof(dev->saved_config_space[0])]; - data >>= (pos % sizeof(dev->saved_config_space[0])) * 8; - return data; +static noinline void pci_wait_ucfg(struct pci_dev *dev) +{ + DECLARE_WAITQUEUE(wait, current); + + __add_wait_queue(&pci_ucfg_wait, &wait); + do { + set_current_state(TASK_UNINTERRUPTIBLE); + spin_unlock_irq(&pci_lock); + schedule(); + spin_lock_irq(&pci_lock); + } while (dev->block_ucfg_access); + __remove_wait_queue(&pci_ucfg_wait, &wait); } #define PCI_USER_READ_CONFIG(size,type) \ int pci_user_read_config_##size \ (struct pci_dev *dev, int pos, type *val) \ { \ - unsigned long flags; \ int ret = 0; \ u32 data = -1; \ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \ - spin_lock_irqsave(&pci_lock, flags); \ - if (likely(!dev->block_ucfg_access)) \ - ret = dev->bus->ops->read(dev->bus, dev->devfn, \ + spin_lock_irq(&pci_lock); \ + if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev); \ + ret = dev->bus->ops->read(dev->bus, dev->devfn, \ pos, sizeof(type), &data); \ - else if (pos < sizeof(dev->saved_config_space)) \ - data = pci_user_cached_config(dev, pos); \ - spin_unlock_irqrestore(&pci_lock, flags); \ + spin_unlock_irq(&pci_lock); \ *val = (type)data; \ return ret; \ } @@ -95,14 +108,13 @@ int pci_user_read_config_##size \ int pci_user_write_config_##size \ (struct pci_dev *dev, int pos, type val) \ { \ - unsigned long flags; \ int ret = -EIO; \ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \ - spin_lock_irqsave(&pci_lock, flags); \ - if (likely(!dev->block_ucfg_access)) \ - ret = dev->bus->ops->write(dev->bus, dev->devfn, \ + spin_lock_irq(&pci_lock); \ + if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev); \ + ret = dev->bus->ops->write(dev->bus, dev->devfn, \ pos, sizeof(type), val); \ - spin_unlock_irqrestore(&pci_lock, flags); \ + spin_unlock_irq(&pci_lock); \ return ret; \ } @@ -117,21 +129,23 @@ PCI_USER_WRITE_CONFIG(dword, u32) * pci_block_user_cfg_access - Block userspace PCI config reads/writes * @dev: pci device struct * - * This function blocks any userspace PCI config accesses from occurring. - * When blocked, any writes will be bit bucketed and reads will return the - * data saved using pci_save_state for the first 64 bytes of config - * space and return 0xff for all other config reads. - **/ + * When user access is blocked, any reads or writes to config space will + * sleep until access is unblocked again. We don't allow nesting of + * block/unblock calls. + */ void pci_block_user_cfg_access(struct pci_dev *dev) { unsigned long flags; + int was_blocked; - pci_save_state(dev); - - /* spinlock to synchronize with anyone reading config space now */ spin_lock_irqsave(&pci_lock, flags); + was_blocked = dev->block_ucfg_access; dev->block_ucfg_access = 1; spin_unlock_irqrestore(&pci_lock, flags); + + /* If we BUG() inside the pci_lock, we're guaranteed to hose + * the machine */ + BUG_ON(was_blocked); } EXPORT_SYMBOL_GPL(pci_block_user_cfg_access); @@ -140,14 +154,19 @@ EXPORT_SYMBOL_GPL(pci_block_user_cfg_access); * @dev: pci device struct * * This function allows userspace PCI config accesses to resume. - **/ + */ void pci_unblock_user_cfg_access(struct pci_dev *dev) { unsigned long flags; - /* spinlock to synchronize with anyone reading saved config space */ spin_lock_irqsave(&pci_lock, flags); + + /* This indicates a problem in the caller, but we don't need + * to kill them, unlike a double-block above. */ + WARN_ON(!dev->block_ucfg_access); + dev->block_ucfg_access = 0; + wake_up_all(&pci_ucfg_wait); spin_unlock_irqrestore(&pci_lock, flags); } EXPORT_SYMBOL_GPL(pci_unblock_user_cfg_access); -- cgit v1.2.3 From bae94d02371c402408a4edfb95e71e88dbd3e973 Mon Sep 17 00:00:00 2001 From: Inaky Perez-Gonzalez Date: Wed, 22 Nov 2006 12:40:31 -0800 Subject: PCI: switch pci_{enable,disable}_device() to be nestable Changes the pci_{enable,disable}_device() functions to work in a nested basis, so that eg, three calls to enable_device() require three calls to disable_device(). The reason for this is to simplify PCI drivers for multi-interface/capability devices. These are devices that cram more than one interface in a single function. A relevant example of that is the Wireless [USB] Host Controller Interface (similar to EHCI) [see http://www.intel.com/technology/comms/wusb/whci.htm]. In these kind of devices, multiple interfaces are accessed through a single bar and IRQ line. For that, the drivers map only the smallest area of the bar to access their register banks and use shared IRQ handlers. However, because the order at which those drivers load cannot be known ahead of time, the sequence in which the calls to pci_enable_device() and pci_disable_device() cannot be predicted. Thus: 1. driverA starts pci_enable_device() 2. driverB starts pci_enable_device() 3. driverA shutdown pci_disable_device() 4. driverB shutdown pci_disable_device() between steps 3 and 4, driver B would loose access to it's device, even if it didn't intend to. By using this modification, the device won't be disabled until all the callers to enable() have called disable(). This is implemented by replacing 'struct pci_dev->is_enabled' from a bitfield to an atomic use count. Each caller to enable increments it, each caller to disable decrements it. When the count increments from 0 to 1, __pci_enable_device() is called to actually enable the device. When it drops to zero, pci_disable_device() actually does the disabling. We keep the backend __pci_enable_device() for pci_default_resume() to use and also change the sysfs method implementation, so that userspace enabling/disabling the device doesn't disable it one time too much. Signed-off-by: Inaky Perez-Gonzalez Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci-driver.c | 4 ++-- drivers/pci/pci-sysfs.c | 33 +++++++++++++++++++++------------ drivers/pci/pci.c | 40 +++++++++++++++++++++++++++++++++------- drivers/pci/pci.h | 1 + 4 files changed, 57 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 84ec9c8f670..e5ae3a0c13b 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -329,8 +329,8 @@ static int pci_default_resume(struct pci_dev *pci_dev) /* restore the PCI config space */ pci_restore_state(pci_dev); /* if the device was enabled before suspend, reenable */ - if (pci_dev->is_enabled) - retval = pci_enable_device(pci_dev); + if (atomic_read(&pci_dev->enable_cnt)) + retval = __pci_enable_device(pci_dev); /* if the device was busmaster before the suspend, make it busmaster again */ if (pci_dev->is_busmaster) pci_set_master(pci_dev); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index f952bfea48a..7a94076752d 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -42,7 +42,6 @@ pci_config_attr(subsystem_vendor, "0x%04x\n"); pci_config_attr(subsystem_device, "0x%04x\n"); pci_config_attr(class, "0x%06x\n"); pci_config_attr(irq, "%u\n"); -pci_config_attr(is_enabled, "%u\n"); static ssize_t broken_parity_status_show(struct device *dev, struct device_attribute *attr, @@ -112,26 +111,36 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8), (u8)(pci_dev->class)); } -static ssize_t -is_enabled_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) + +static ssize_t is_enabled_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { + ssize_t result = -EINVAL; struct pci_dev *pdev = to_pci_dev(dev); - int retval = 0; /* this can crash the machine when done on the "wrong" device */ if (!capable(CAP_SYS_ADMIN)) return count; - if (*buf == '0') - pci_disable_device(pdev); + if (*buf == '0') { + if (atomic_read(&pdev->enable_cnt) != 0) + pci_disable_device(pdev); + else + result = -EIO; + } else if (*buf == '1') + result = pci_enable_device(pdev); + + return result < 0 ? result : count; +} - if (*buf == '1') - retval = pci_enable_device(pdev); +static ssize_t is_enabled_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pci_dev *pdev; - if (retval) - return retval; - return count; + pdev = to_pci_dev (dev); + return sprintf (buf, "%u\n", atomic_read(&pdev->enable_cnt)); } static ssize_t diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 427991741cf..5a14b73cf3a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -612,29 +612,50 @@ pci_enable_device_bars(struct pci_dev *dev, int bars) } /** - * pci_enable_device - Initialize device before it's used by a driver. + * __pci_enable_device - Initialize device before it's used by a driver. * @dev: PCI device to be initialized * * Initialize device before it's used by a driver. Ask low-level code * to enable I/O and memory. Wake up the device if it was suspended. * Beware, this function can fail. + * + * Note this function is a backend and is not supposed to be called by + * normal code, use pci_enable_device() instead. */ int -pci_enable_device(struct pci_dev *dev) +__pci_enable_device(struct pci_dev *dev) { int err; - if (dev->is_enabled) - return 0; - err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); if (err) return err; pci_fixup_device(pci_fixup_enable, dev); - dev->is_enabled = 1; return 0; } +/** + * pci_enable_device - Initialize device before it's used by a driver. + * @dev: PCI device to be initialized + * + * Initialize device before it's used by a driver. Ask low-level code + * to enable I/O and memory. Wake up the device if it was suspended. + * Beware, this function can fail. + * + * Note we don't actually enable the device many times if we call + * this function repeatedly (we just increment the count). + */ +int pci_enable_device(struct pci_dev *dev) +{ + int result; + if (atomic_add_return(1, &dev->enable_cnt) > 1) + return 0; /* already enabled */ + result = __pci_enable_device(dev); + if (result < 0) + atomic_dec(&dev->enable_cnt); + return result; +} + /** * pcibios_disable_device - disable arch specific PCI resources for device dev * @dev: the PCI device to disable @@ -651,12 +672,18 @@ void __attribute__ ((weak)) pcibios_disable_device (struct pci_dev *dev) {} * * Signal to the system that the PCI device is not in use by the system * anymore. This only involves disabling PCI bus-mastering, if active. + * + * Note we don't actually disable the device until all callers of + * pci_device_enable() have called pci_device_disable(). */ void pci_disable_device(struct pci_dev *dev) { u16 pci_command; + if (atomic_sub_return(1, &dev->enable_cnt) != 0) + return; + if (dev->msi_enabled) disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI), PCI_CAP_ID_MSI); @@ -672,7 +699,6 @@ pci_disable_device(struct pci_dev *dev) dev->is_busmaster = 0; pcibios_disable_device(dev); - dev->is_enabled = 0; } /** diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 6bf327db5c5..398852f526a 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -1,5 +1,6 @@ /* Functions internal to the PCI core code */ +extern int __must_check __pci_enable_device(struct pci_dev *); extern int pci_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size); extern int pci_create_sysfs_dev_files(struct pci_dev *pdev); -- cgit v1.2.3 From 95ddc5f25590e31843a09357365d5cbc6ec978db Mon Sep 17 00:00:00 2001 From: Inaky Perez-Gonzalez Date: Wed, 22 Nov 2006 12:40:32 -0800 Subject: PCI: pci_{enable,disable}_device() nestable ports Change drivers/message/i20 pci driver to simply do a nestable enable()/disable() instead of checking for it. Signed-off-by: Inaky Perez-Gonzalez Signed-off-by: Greg Kroah-Hartman --- drivers/message/i2o/pci.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 62f1ac08332..8287f95c8c4 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -320,7 +320,6 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, struct i2o_controller *c; int rc; struct pci_dev *i960 = NULL; - int enabled = pdev->is_enabled; printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n"); @@ -330,12 +329,11 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, return -ENODEV; } - if (!enabled) - if ((rc = pci_enable_device(pdev))) { - printk(KERN_WARNING "i2o: couldn't enable device %s\n", - pci_name(pdev)); - return rc; - } + if ((rc = pci_enable_device(pdev))) { + printk(KERN_WARNING "i2o: couldn't enable device %s\n", + pci_name(pdev)); + return rc; + } if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_WARNING "i2o: no suitable DMA found for %s\n", @@ -442,8 +440,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, i2o_iop_free(c); disable: - if (!enabled) - pci_disable_device(pdev); + pci_disable_device(pdev); return rc; } -- cgit v1.2.3 From adbc2a102252994c36102008293b52760613d6c3 Mon Sep 17 00:00:00 2001 From: Jason Gaston Date: Wed, 22 Nov 2006 15:19:12 -0800 Subject: i2c-i801: SMBus patch for Intel ICH9 This updated patch adds the Intel ICH9 LPC and SMBus Controller DID's. Thi= s patch relies on the irq ICH9 patch to pci_ids.h. Signed-off-by: Jason Gaston Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/Kconfig | 1 + drivers/i2c/busses/i2c-i801.c | 2 ++ 2 files changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 510816c16da..04bee524e31 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -125,6 +125,7 @@ config I2C_I801 ICH7 ESB2 ICH8 + ICH9 This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index bbb2fbee836..c7be2fdbd86 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -33,6 +33,7 @@ ICH7 27DA ESB2 269B ICH8 283E + ICH9 2930 This driver supports several versions of Intel's I/O Controller Hubs (ICH). For SMBus support, they are similar to the PIIX4 and are part of Intel's '810' and other chipsets. @@ -457,6 +458,7 @@ static struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_17) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_17) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_5) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_6) }, { 0, } }; -- cgit v1.2.3 From ac9e98918776d8fa6dc38bfa6d298a7dbcbac2cb Mon Sep 17 00:00:00 2001 From: Rolf Eike Beer Date: Mon, 13 Nov 2006 15:12:45 -0800 Subject: PCI: Change memory allocation for acpiphp slots Change memory allocation for acpiphp slots Change the "struct slot" that acpiphp uses for managing it's slots to directly contain the memory for the needed struct hotplug_slot_info and the slot's name. This way we need only two memory allocations per slot instead of four. While we are at it: make_slot_name() is just a wrapper around snprintf() knowing the right arguments to call it. Since the function makes just one function call and is only called from one place I inlined it by hand. Finally this fixes a possible bug waiting for someone to hit it. There were two unused local variables in acpiphp_register_hotplug_slot(). gcc did not find them because they were used in memory allocations with sizeof(*var). They had the same types as the target of the allocation, but nevertheless this was just weird. Signed-off-by: Rolf Eike Beer Acked-by: Matthew Wilcox Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/acpiphp.h | 4 ++-- drivers/pci/hotplug/acpiphp_core.c | 35 +++++------------------------------ 2 files changed, 7 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 59c5b242d86..ddbadd95387 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -62,10 +62,10 @@ struct acpiphp_slot; struct slot { struct hotplug_slot *hotplug_slot; struct acpiphp_slot *acpi_slot; + struct hotplug_slot_info info; + char name[SLOT_NAME_SIZE]; }; - - /** * struct acpiphp_bridge - PCI bridge information * diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index c8b69074114..40c79b03c7e 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -312,18 +312,6 @@ static int __init init_acpi(void) return retval; } - -/** - * make_slot_name - make a slot name that appears in pcihpfs - * @slot: slot to name - * - */ -static void make_slot_name(struct slot *slot) -{ - snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%u", - slot->acpi_slot->sun); -} - /** * release_slot - free up the memory used by a slot * @hotplug_slot: slot to free @@ -334,8 +322,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot) dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); - kfree(slot->hotplug_slot->info); - kfree(slot->hotplug_slot->name); kfree(slot->hotplug_slot); kfree(slot); } @@ -344,26 +330,19 @@ static void release_slot(struct hotplug_slot *hotplug_slot) int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot) { struct slot *slot; - struct hotplug_slot *hotplug_slot; - struct hotplug_slot_info *hotplug_slot_info; int retval = -ENOMEM; slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) goto error; - slot->hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL); + slot->hotplug_slot = kzalloc(sizeof(*slot->hotplug_slot), GFP_KERNEL); if (!slot->hotplug_slot) goto error_slot; - slot->hotplug_slot->info = kzalloc(sizeof(*hotplug_slot_info), - GFP_KERNEL); - if (!slot->hotplug_slot->info) - goto error_hpslot; + slot->hotplug_slot->info = &slot->info; - slot->hotplug_slot->name = kzalloc(SLOT_NAME_SIZE, GFP_KERNEL); - if (!slot->hotplug_slot->name) - goto error_info; + slot->hotplug_slot->name = slot->name; slot->hotplug_slot->private = slot; slot->hotplug_slot->release = &release_slot; @@ -378,21 +357,17 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot) slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN; acpiphp_slot->slot = slot; - make_slot_name(slot); + snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun); retval = pci_hp_register(slot->hotplug_slot); if (retval) { err("pci_hp_register failed with error %d\n", retval); - goto error_name; + goto error_hpslot; } info("Slot [%s] registered\n", slot->hotplug_slot->name); return 0; -error_name: - kfree(slot->hotplug_slot->name); -error_info: - kfree(slot->hotplug_slot->info); error_hpslot: kfree(slot->hotplug_slot); error_slot: -- cgit v1.2.3 From a57ed79ef1b71f6da44ebeabb41d019d172fb261 Mon Sep 17 00:00:00 2001 From: John Rose Date: Mon, 13 Nov 2006 15:12:52 -0800 Subject: PCI: rpaphp: change device tree examination Change the criterion that RPA PCI Hotplug and RPA DLPAR use when determining the hotplug capabilities of a given device node. The "device_type" property is less consistent than "name" across PCI nodes on newer hardware. Signed-off-by: John Rose Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/rpadlpar_core.c | 2 +- drivers/pci/hotplug/rpaphp_core.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 46825fee3ae..72383467a0d 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -63,7 +63,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name, char *type; int rc; - while ((np = of_find_node_by_type(np, "pci"))) { + while ((np = of_find_node_by_name(np, "pci"))) { rc = rpaphp_get_drc_props(np, NULL, &name, &type, NULL); if (rc == 0) if (!strcmp(drc_name, name) && !strcmp(drc_type, type)) diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index 141486df235..71a2cb8baa4 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -356,7 +356,7 @@ static int __init rpaphp_init(void) info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); init_MUTEX(&rpaphp_sem); - while ((dn = of_find_node_by_type(dn, "pci"))) + while ((dn = of_find_node_by_name(dn, "pci"))) rpaphp_add_slot(dn); return 0; -- cgit v1.2.3 From 407f452b05f9e5d019c07077d05238bca1b45c4c Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Mon, 13 Nov 2006 15:13:00 -0800 Subject: pciehp: remove unnecessary free_irq This patch fixes the problem that the following error messages is reported when pciehp driver is rmmoded. Trying to free already-free IRQ XX The cause of this problem is that pciehp driver is doing unknown 2nd free_irq at driver unloading. This patch removes this unknown 2nd free_irq call. Note: The pciehp driver should be adapted to standard device driver mode. Signed-off-by: Kenji Kaneshige Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/pciehp_core.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index f93e81e2d2c..f13f31323e8 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -521,14 +521,9 @@ static void __exit unload_pciehpd(void) } -static int hpdriver_context = 0; - static void pciehp_remove (struct pcie_device *device) { - printk("%s ENTRY\n", __FUNCTION__); - printk("%s -> Call free_irq for irq = %d\n", - __FUNCTION__, device->irq); - free_irq(device->irq, &hpdriver_context); + /* XXX - Needs to be adapted to device driver model */ } #ifdef CONFIG_PM -- cgit v1.2.3 From 9d167dc367f22c07285137370816b83b4be9c697 Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Mon, 13 Nov 2006 15:13:09 -0800 Subject: pciehp: remove unnecessary pci_disable_msi This patch fixes the problem that "irq XX: nobody cared" kernel oops is reported when pciehp is once rmmoded and insmoded again. The cause of this problem is pciehp driver calls pci_disable_msi() at controller release time, even though it must be done by PCI Express Port Bus driver. This patch removes unnecessary pci_disable_msi() call from pciehp driver. Signed-off-by: Kenji Kaneshige Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/pciehp_hpc.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 1c551c697c3..6d3f580f266 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -718,8 +718,6 @@ static void hpc_release_ctlr(struct controller *ctrl) if (php_ctlr->irq) { free_irq(php_ctlr->irq, ctrl); php_ctlr->irq = 0; - if (!pcie_mch_quirk) - pci_disable_msi(php_ctlr->pci_dev); } } if (php_ctlr->pci_dev) -- cgit v1.2.3 From b0d974e90d6f9fbf3a926defbbc76543cff74426 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 17 Nov 2006 02:19:25 +0100 Subject: PCI: ibmphp_pci.c: fix NULL dereference The correct order is: NULL check before dereference Spotted by the Coverity checker. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/ibmphp_pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c index d87a9e3eaee..d8f05d7a3c7 100644 --- a/drivers/pci/hotplug/ibmphp_pci.c +++ b/drivers/pci/hotplug/ibmphp_pci.c @@ -1371,12 +1371,12 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function) } bus = ibmphp_find_res_bus (sec_number); - debug ("bus->busno is %x\n", bus->busno); - debug ("sec_number is %x\n", sec_number); if (!bus) { err ("cannot find Bus structure for the bridged device\n"); return -EINVAL; } + debug("bus->busno is %x\n", bus->busno); + debug("sec_number is %x\n", sec_number); ibmphp_remove_bus (bus, busno); -- cgit v1.2.3 From 116af378201ef793424cd10508ccf18b06d8a021 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 25 Oct 2006 13:44:59 +1000 Subject: Driver core: add notification of bus events I finally did as you suggested and added the notifier to the struct bus_type itself. There are still problems to be expected is something attaches to a bus type where the code can hook in different struct device sub-classes (which is imho a big bogosity but I won't even try to argue that case now) but it will solve nicely a number of issues I've had so far. That also means that clients interested in registering for such notifications have to do it before devices are added and after bus types are registered. Fortunately, most bus types that matter for the various usage scenarios I have in mind are registerd at postcore_initcall time, which means I have a really nice spot at arch_initcall time to add my notifiers. There are 4 notifications provided. Device being added (before hooked to the bus) and removed (failure of previous case or after being unhooked from the bus), along with driver being bound to a device and about to be unbound. The usage I have for these are: - The 2 first ones are used to maintain a struct device_ext that is hooked to struct device.firmware_data. This structure contains for now a pointer to the Open Firmware node related to the device (if any), the NUMA node ID (for quick access to it) and the DMA operations pointers & iommu table instance for DMA to/from this device. For bus types I own (like IBM VIO or EBUS), I just maintain that structure directly from the bus code when creating the devices. But for bus types managed by generic code like PCI or platform (actually, of_platform which is a variation of platform linked to Open Firmware device-tree), I need this notifier. - The other two ones have a completely different usage scenario. I have cases where multiple devices and their drivers depend on each other. For example, the IBM EMAC network driver needs to attach to a MAL DMA engine which is a separate device, and a PHY interface which is also a separate device. They are all of_platform_device's (well, about to be with my upcoming patches) but there is no say in what precise order the core will "probe" them and instanciate the various modules. The solution I found for that is to have the drivers for emac to use multithread_probe, and wait for a driver to be bound to the target MAL and PHY control devices (the device-tree contains reference to the MAL and PHY interface nodes, which I can then match to of_platform_devices). Right now, I've been polling, but with that notifier, I can more cleanly wait (with a timeout of course). Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 14 ++++++++++++++ drivers/base/core.c | 12 ++++++++++++ drivers/base/dd.c | 10 ++++++++++ 3 files changed, 36 insertions(+) (limited to 'drivers') diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 7d8a7ce73fb..ed3e8a2be64 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -724,6 +724,8 @@ int bus_register(struct bus_type * bus) { int retval; + BLOCKING_INIT_NOTIFIER_HEAD(&bus->bus_notifier); + retval = kobject_set_name(&bus->subsys.kset.kobj, "%s", bus->name); if (retval) goto out; @@ -782,6 +784,18 @@ void bus_unregister(struct bus_type * bus) subsystem_unregister(&bus->subsys); } +int bus_register_notifier(struct bus_type *bus, struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&bus->bus_notifier, nb); +} +EXPORT_SYMBOL_GPL(bus_register_notifier); + +int bus_unregister_notifier(struct bus_type *bus, struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&bus->bus_notifier, nb); +} +EXPORT_SYMBOL_GPL(bus_unregister_notifier); + int __init buses_init(void) { return subsystem_register(&bus_subsys); diff --git a/drivers/base/core.c b/drivers/base/core.c index 002fde46d38..d4f35d8902a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include @@ -428,6 +429,11 @@ int device_add(struct device *dev) if (platform_notify) platform_notify(dev); + /* notify clients of device entry (new way) */ + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_ADD_DEVICE, dev); + dev->uevent_attr.attr.name = "uevent"; dev->uevent_attr.attr.mode = S_IWUSR; if (dev->driver) @@ -504,6 +510,9 @@ int device_add(struct device *dev) BusError: device_pm_remove(dev); PMError: + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_DEL_DEVICE, dev); device_remove_groups(dev); GroupError: device_remove_attrs(dev); @@ -622,6 +631,9 @@ void device_del(struct device * dev) */ if (platform_notify_remove) platform_notify_remove(dev); + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_DEL_DEVICE, dev); bus_remove_device(dev); device_pm_remove(dev); kobject_uevent(&dev->kobj, KOBJ_REMOVE); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index c5d6bb4290a..9c88b1e34bc 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -52,6 +52,11 @@ int device_bind_driver(struct device *dev) pr_debug("bound device '%s' to driver '%s'\n", dev->bus_id, dev->driver->name); + + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_BOUND_DRIVER, dev); + klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices); ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, kobject_name(&dev->kobj)); @@ -288,6 +293,11 @@ static void __device_release_driver(struct device * dev) sysfs_remove_link(&dev->kobj, "driver"); klist_remove(&dev->knode_driver); + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_UNBIND_DRIVER, + dev); + if (dev->bus && dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) -- cgit v1.2.3 From 1901fb2604fbcd53201f38725182ea807581159e Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Sat, 7 Oct 2006 21:55:55 +0200 Subject: Driver core: fix "driver" symlink timing Create the "driver" link before the child device may be created by the probing logic. This makes it possible for userspace (udev), to determine the driver property of the parent device, at the time the child device is created. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/dd.c | 82 +++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 52 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 9c88b1e34bc..510e7884975 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -26,28 +26,12 @@ #define to_drv(node) container_of(node, struct device_driver, kobj.entry) -/** - * device_bind_driver - bind a driver to one device. - * @dev: device. - * - * Allow manual attachment of a driver to a device. - * Caller must have already set @dev->driver. - * - * Note that this does not modify the bus reference count - * nor take the bus's rwsem. Please verify those are accounted - * for before calling this. (It is ok to call with no other effort - * from a driver's probe() method.) - * - * This function must be called with @dev->sem held. - */ -int device_bind_driver(struct device *dev) +static void driver_bound(struct device *dev) { - int ret; - if (klist_node_attached(&dev->knode_driver)) { printk(KERN_WARNING "%s: device %s already bound\n", __FUNCTION__, kobject_name(&dev->kobj)); - return 0; + return; } pr_debug("bound device '%s' to driver '%s'\n", @@ -58,6 +42,12 @@ int device_bind_driver(struct device *dev) BUS_NOTIFY_BOUND_DRIVER, dev); klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices); +} + +static int driver_sysfs_add(struct device *dev) +{ + int ret; + ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, kobject_name(&dev->kobj)); if (ret == 0) { @@ -70,6 +60,36 @@ int device_bind_driver(struct device *dev) return ret; } +static void driver_sysfs_remove(struct device *dev) +{ + struct device_driver *drv = dev->driver; + + if (drv) { + sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); + sysfs_remove_link(&dev->kobj, "driver"); + } +} + +/** + * device_bind_driver - bind a driver to one device. + * @dev: device. + * + * Allow manual attachment of a driver to a device. + * Caller must have already set @dev->driver. + * + * Note that this does not modify the bus reference count + * nor take the bus's rwsem. Please verify those are accounted + * for before calling this. (It is ok to call with no other effort + * from a driver's probe() method.) + * + * This function must be called with @dev->sem held. + */ +int device_bind_driver(struct device *dev) +{ + driver_bound(dev); + return driver_sysfs_add(dev); +} + struct stupid_thread_structure { struct device_driver *drv; struct device *dev; @@ -90,30 +110,32 @@ static int really_probe(void *void_data) drv->bus->name, drv->name, dev->bus_id); dev->driver = drv; + if (driver_sysfs_add(dev)) { + printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", + __FUNCTION__, dev->bus_id); + goto probe_failed; + } + if (dev->bus->probe) { ret = dev->bus->probe(dev); - if (ret) { - dev->driver = NULL; + if (ret) goto probe_failed; - } } else if (drv->probe) { ret = drv->probe(dev); - if (ret) { - dev->driver = NULL; + if (ret) goto probe_failed; - } - } - if (device_bind_driver(dev)) { - printk(KERN_ERR "%s: device_bind_driver(%s) failed\n", - __FUNCTION__, dev->bus_id); - /* How does undo a ->probe? We're screwed. */ } + + driver_bound(dev); ret = 1; pr_debug("%s: Bound Device %s to Driver %s\n", drv->bus->name, dev->bus_id, drv->name); goto done; probe_failed: + driver_sysfs_remove(dev); + dev->driver = NULL; + if (ret == -ENODEV || ret == -ENXIO) { /* Driver matched, but didn't support device * or device not found. @@ -289,7 +311,7 @@ static void __device_release_driver(struct device * dev) drv = dev->driver; if (drv) { get_driver(drv); - sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); + driver_sysfs_remove(dev); sysfs_remove_link(&dev->kobj, "driver"); klist_remove(&dev->knode_driver); -- cgit v1.2.3 From f0ee61a6cecd100301a60d99feb187776533b2a2 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 23 Oct 2006 10:40:54 -0700 Subject: Driver Core: Move virtual_device_parent() to core.c It doesn't need to be global or in device.h Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/class.c | 17 ----------------- drivers/base/core.c | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/base/class.c b/drivers/base/class.c index 0ff267a248d..2e705f6abb4 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -893,23 +893,6 @@ void class_interface_unregister(struct class_interface *class_intf) class_put(parent); } -int virtual_device_parent(struct device *dev) -{ - if (!dev->class) - return -ENODEV; - - if (!dev->class->virtual_dir) { - static struct kobject *virtual_dir = NULL; - - if (!virtual_dir) - virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual"); - dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name); - } - - dev->kobj.parent = dev->class->virtual_dir; - return 0; -} - int __init classes_init(void) { int retval; diff --git a/drivers/base/core.c b/drivers/base/core.c index d4f35d8902a..dbcd40b987d 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -384,6 +384,23 @@ void device_initialize(struct device *dev) device_init_wakeup(dev, 0); } +static int virtual_device_parent(struct device *dev) +{ + if (!dev->class) + return -ENODEV; + + if (!dev->class->virtual_dir) { + static struct kobject *virtual_dir = NULL; + + if (!virtual_dir) + virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual"); + dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name); + } + + dev->kobj.parent = dev->class->virtual_dir; + return 0; +} + /** * device_add - add device to device hierarchy. * @dev: device. -- cgit v1.2.3 From 40fa54226f518a9bc97ed1d711c0016e416e3782 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 24 Oct 2006 00:37:58 +0100 Subject: Driver core: make old versions of udev work properly If CONFIG_SYSFS_DEPRECATED is enabled, old versions of udev will work properly with devices that are associated with a class. Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 59 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 45 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index dbcd40b987d..8f8347b9197 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -384,6 +384,19 @@ void device_initialize(struct device *dev) device_init_wakeup(dev, 0); } +#ifdef CONFIG_SYSFS_DEPRECATED +int setup_parent(struct device *dev, struct device *parent) +{ + /* Set the parent to the class, not the parent device */ + /* this keeps sysfs from having a symlink to make old udevs happy */ + if (dev->class) + dev->kobj.parent = &dev->class->subsys.kset.kobj; + else if (parent) + dev->kobj.parent = &parent->kobj; + + return 0; +} +#else static int virtual_device_parent(struct device *dev) { if (!dev->class) @@ -401,6 +414,22 @@ static int virtual_device_parent(struct device *dev) return 0; } +int setup_parent(struct device *dev, struct device *parent) +{ + int error; + + /* if this is a class device, and has no parent, create one */ + if ((dev->class) && (parent == NULL)) { + error = virtual_device_parent(dev); + if (error) + return error; + } else if (parent) + dev->kobj.parent = &parent->kobj; + + return 0; +} +#endif + /** * device_add - add device to device hierarchy. * @dev: device. @@ -423,23 +452,18 @@ int device_add(struct device *dev) if (!dev || !strlen(dev->bus_id)) goto Error; - /* if this is a class device, and has no parent, create one */ - if ((dev->class) && (dev->parent == NULL)) { - error = virtual_device_parent(dev); - if (error) - goto Error; - } + pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id); parent = get_device(dev->parent); - pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id); + error = setup_parent(dev, parent); + if (error) + goto Error; /* first, register with generic layer. */ kobject_set_name(&dev->kobj, "%s", dev->bus_id); - if (parent) - dev->kobj.parent = &parent->kobj; - - if ((error = kobject_add(&dev->kobj))) + error = kobject_add(&dev->kobj); + if (error) goto Error; /* notify platform of device entry */ @@ -484,8 +508,11 @@ int device_add(struct device *dev) if (dev->class) { sysfs_create_link(&dev->kobj, &dev->class->subsys.kset.kobj, "subsystem"); - sysfs_create_link(&dev->class->subsys.kset.kobj, &dev->kobj, - dev->bus_id); + /* If this is not a "fake" compatible device, then create the + * symlink from the class to the device. */ + if (dev->kobj.parent != &dev->class->subsys.kset.kobj) + sysfs_create_link(&dev->class->subsys.kset.kobj, + &dev->kobj, dev->bus_id); if (parent) { sysfs_create_link(&dev->kobj, &dev->parent->kobj, "device"); class_name = make_class_name(dev->class->name, &dev->kobj); @@ -623,7 +650,11 @@ void device_del(struct device * dev) } if (dev->class) { sysfs_remove_link(&dev->kobj, "subsystem"); - sysfs_remove_link(&dev->class->subsys.kset.kobj, dev->bus_id); + /* If this is not a "fake" compatible device, remove the + * symlink from the class to the device. */ + if (dev->kobj.parent != &dev->class->subsys.kset.kobj) + sysfs_remove_link(&dev->class->subsys.kset.kobj, + dev->bus_id); class_name = make_class_name(dev->class->name, &dev->kobj); if (parent) { sysfs_remove_link(&dev->kobj, "device"); -- cgit v1.2.3 From b9cafc7d5b8af0c71896f60dfcff40c71bd38a9a Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 14 Sep 2006 11:23:28 +0200 Subject: CONFIG_SYSFS_DEPRECATED - bus symlinks Turn off the bus symlinks if CONFIG_SYSFS_DEPRECATED is enabled Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/base/bus.c b/drivers/base/bus.c index ed3e8a2be64..472810f8e6e 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -355,6 +355,21 @@ static void device_remove_attrs(struct bus_type * bus, struct device * dev) } } +#ifdef CONFIG_SYSFS_DEPRECATED +static int make_deprecated_bus_links(struct device *dev) +{ + return sysfs_create_link(&dev->kobj, + &dev->bus->subsys.kset.kobj, "bus"); +} + +static void remove_deprecated_bus_links(struct device *dev) +{ + sysfs_remove_link(&dev->kobj, "bus"); +} +#else +static inline int make_deprecated_bus_links(struct device *dev) { return 0; } +static inline void remove_deprecated_bus_links(struct device *dev) { } +#endif /** * bus_add_device - add device to bus @@ -381,8 +396,7 @@ int bus_add_device(struct device * dev) &dev->bus->subsys.kset.kobj, "subsystem"); if (error) goto out_subsys; - error = sysfs_create_link(&dev->kobj, - &dev->bus->subsys.kset.kobj, "bus"); + error = make_deprecated_bus_links(dev); if (error) goto out_deprecated; } @@ -436,7 +450,7 @@ void bus_remove_device(struct device * dev) { if (dev->bus) { sysfs_remove_link(&dev->kobj, "subsystem"); - sysfs_remove_link(&dev->kobj, "bus"); + remove_deprecated_bus_links(dev); sysfs_remove_link(&dev->bus->devices.kobj, dev->bus_id); device_remove_attrs(dev->bus, dev); if (dev->is_registered) { -- cgit v1.2.3 From 99ef3ef8d5f2f5b5312627127ad63df27c0d0d05 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 14 Sep 2006 11:23:28 +0200 Subject: CONFIG_SYSFS_DEPRECATED - device symlinks Turn off device symlinks CONFIG_SYSFS_DEPRECATED is enabled. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index 8f8347b9197..b565b7e9d40 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -513,11 +513,13 @@ int device_add(struct device *dev) if (dev->kobj.parent != &dev->class->subsys.kset.kobj) sysfs_create_link(&dev->class->subsys.kset.kobj, &dev->kobj, dev->bus_id); +#ifdef CONFIG_SYSFS_DEPRECATED if (parent) { sysfs_create_link(&dev->kobj, &dev->parent->kobj, "device"); class_name = make_class_name(dev->class->name, &dev->kobj); sysfs_create_link(&dev->parent->kobj, &dev->kobj, class_name); } +#endif } if ((error = device_add_attrs(dev))) @@ -639,7 +641,6 @@ void put_device(struct device * dev) void device_del(struct device * dev) { struct device * parent = dev->parent; - char *class_name = NULL; struct class_interface *class_intf; if (parent) @@ -655,12 +656,16 @@ void device_del(struct device * dev) if (dev->kobj.parent != &dev->class->subsys.kset.kobj) sysfs_remove_link(&dev->class->subsys.kset.kobj, dev->bus_id); - class_name = make_class_name(dev->class->name, &dev->kobj); +#ifdef CONFIG_SYSFS_DEPRECATED if (parent) { - sysfs_remove_link(&dev->kobj, "device"); + char *class_name = make_class_name(dev->class->name, + &dev->kobj); sysfs_remove_link(&dev->parent->kobj, class_name); + kfree(class_name); + sysfs_remove_link(&dev->kobj, "device"); } - kfree(class_name); +#endif + down(&dev->class->sem); /* notify any interfaces that the device is now gone */ list_for_each_entry(class_intf, &dev->class->interfaces, node) @@ -869,8 +874,10 @@ int device_rename(struct device *dev, char *new_name) pr_debug("DEVICE: renaming '%s' to '%s'\n", dev->bus_id, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if ((dev->class) && (dev->parent)) old_class_name = make_class_name(dev->class->name, &dev->kobj); +#endif if (dev->class) { old_symlink_name = kmalloc(BUS_ID_SIZE, GFP_KERNEL); @@ -885,6 +892,7 @@ int device_rename(struct device *dev, char *new_name) error = kobject_rename(&dev->kobj, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (old_class_name) { new_class_name = make_class_name(dev->class->name, &dev->kobj); if (new_class_name) { @@ -893,6 +901,8 @@ int device_rename(struct device *dev, char *new_name) sysfs_remove_link(&dev->parent->kobj, old_class_name); } } +#endif + if (dev->class) { sysfs_remove_link(&dev->class->subsys.kset.kobj, old_symlink_name); -- cgit v1.2.3 From a87cb2ac4a78c590583b52a3ed196adc6c25b6c9 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 14 Sep 2006 11:23:28 +0200 Subject: CONFIG_SYSFS_DEPRECATED - PHYSDEV* uevent variables Disable the PHYSDEV* uevent variables if CONFIG_SYSFS_DEPRECATED is enabled. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index b565b7e9d40..f544adc5a5e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -154,20 +154,24 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp, "MINOR=%u", MINOR(dev->devt)); } +#ifdef CONFIG_SYSFS_DEPRECATED /* add bus name (same as SUBSYSTEM, deprecated) */ if (dev->bus) add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "PHYSDEVBUS=%s", dev->bus->name); +#endif /* add driver name (PHYSDEV* values are deprecated)*/ if (dev->driver) { add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "DRIVER=%s", dev->driver->name); +#ifdef CONFIG_SYSFS_DEPRECATED add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "PHYSDEVDRIVER=%s", dev->driver->name); +#endif } /* terminate, set to next free slot, shrink available space */ -- cgit v1.2.3 From 805fab474ed75f9603dbde6fa74a2976868b4bd2 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Thu, 14 Sep 2006 11:23:28 +0200 Subject: CONFIG_SYSFS_DEPRECATED - class symlinks Turn off class symlinks CONFIG_SYSFS_DEPRECATED is enabled. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/class.c | 149 +++++++++++++++++++++++++++++++++------------------ 1 file changed, 98 insertions(+), 51 deletions(-) (limited to 'drivers') diff --git a/drivers/base/class.c b/drivers/base/class.c index 2e705f6abb4..f098881f45b 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -352,6 +352,92 @@ static const char *class_uevent_name(struct kset *kset, struct kobject *kobj) return class_dev->class->name; } +#ifdef CONFIG_SYSFS_DEPRECATED +char *make_class_name(const char *name, struct kobject *kobj) +{ + char *class_name; + int size; + + size = strlen(name) + strlen(kobject_name(kobj)) + 2; + + class_name = kmalloc(size, GFP_KERNEL); + if (!class_name) + return ERR_PTR(-ENOMEM); + + strcpy(class_name, name); + strcat(class_name, ":"); + strcat(class_name, kobject_name(kobj)); + return class_name; +} + +static int deprecated_class_uevent(char **envp, int num_envp, int *cur_index, + char *buffer, int buffer_size, + int *cur_len, + struct class_device *class_dev) +{ + struct device *dev = class_dev->dev; + char *path; + + if (!dev) + return 0; + + /* add device, backing this class device (deprecated) */ + path = kobject_get_path(&dev->kobj, GFP_KERNEL); + + add_uevent_var(envp, num_envp, cur_index, buffer, buffer_size, + cur_len, "PHYSDEVPATH=%s", path); + kfree(path); + + if (dev->bus) + add_uevent_var(envp, num_envp, cur_index, + buffer, buffer_size, cur_len, + "PHYSDEVBUS=%s", dev->bus->name); + + if (dev->driver) + add_uevent_var(envp, num_envp, cur_index, + buffer, buffer_size, cur_len, + "PHYSDEVDRIVER=%s", dev->driver->name); + return 0; +} + +static int make_deprecated_class_device_links(struct class_device *class_dev) +{ + char *class_name; + int error; + + if (!class_dev->dev) + return 0; + + class_name = make_class_name(class_dev->class->name, &class_dev->kobj); + error = sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj, + class_name); + kfree(class_name); + return error; +} + +static void remove_deprecated_class_device_links(struct class_device *class_dev) +{ + char *class_name; + + if (!class_dev->dev) + return; + + class_name = make_class_name(class_dev->class->name, &class_dev->kobj); + sysfs_remove_link(&class_dev->dev->kobj, class_name); + kfree(class_name); +} +#else +static inline int deprecated_class_uevent(char **envp, int num_envp, + int *cur_index, char *buffer, + int buffer_size, int *cur_len, + struct class_device *class_dev) +{ return 0; } +static inline int make_deprecated_class_device_links(struct class_device *cd) +{ return 0; } +static void remove_deprecated_class_device_links(struct class_device *cd) +{ } +#endif + static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, int num_envp, char *buffer, int buffer_size) { @@ -362,25 +448,8 @@ static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, pr_debug("%s - name = %s\n", __FUNCTION__, class_dev->class_id); - if (class_dev->dev) { - /* add device, backing this class device (deprecated) */ - struct device *dev = class_dev->dev; - char *path = kobject_get_path(&dev->kobj, GFP_KERNEL); - - add_uevent_var(envp, num_envp, &i, buffer, buffer_size, - &length, "PHYSDEVPATH=%s", path); - kfree(path); - - if (dev->bus) - add_uevent_var(envp, num_envp, &i, - buffer, buffer_size, &length, - "PHYSDEVBUS=%s", dev->bus->name); - - if (dev->driver) - add_uevent_var(envp, num_envp, &i, - buffer, buffer_size, &length, - "PHYSDEVDRIVER=%s", dev->driver->name); - } + deprecated_class_uevent(envp, num_envp, &i, buffer, buffer_size, + &length, class_dev); if (MAJOR(class_dev->devt)) { add_uevent_var(envp, num_envp, &i, @@ -506,29 +575,11 @@ void class_device_initialize(struct class_device *class_dev) INIT_LIST_HEAD(&class_dev->node); } -char *make_class_name(const char *name, struct kobject *kobj) -{ - char *class_name; - int size; - - size = strlen(name) + strlen(kobject_name(kobj)) + 2; - - class_name = kmalloc(size, GFP_KERNEL); - if (!class_name) - return ERR_PTR(-ENOMEM); - - strcpy(class_name, name); - strcat(class_name, ":"); - strcat(class_name, kobject_name(kobj)); - return class_name; -} - int class_device_add(struct class_device *class_dev) { struct class *parent_class = NULL; struct class_device *parent_class_dev = NULL; struct class_interface *class_intf; - char *class_name = NULL; int error = -EINVAL; class_dev = class_device_get(class_dev); @@ -599,19 +650,17 @@ int class_device_add(struct class_device *class_dev) goto out5; if (class_dev->dev) { - class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); error = sysfs_create_link(&class_dev->kobj, &class_dev->dev->kobj, "device"); if (error) goto out6; - error = sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj, - class_name); - if (error) - goto out7; } error = class_device_add_groups(class_dev); + if (error) + goto out7; + + error = make_deprecated_class_device_links(class_dev); if (error) goto out8; @@ -629,8 +678,7 @@ int class_device_add(struct class_device *class_dev) goto out1; out8: - if (class_dev->dev) - sysfs_remove_link(&class_dev->kobj, class_name); + class_device_remove_groups(class_dev); out7: if (class_dev->dev) sysfs_remove_link(&class_dev->kobj, "device"); @@ -649,7 +697,6 @@ int class_device_add(struct class_device *class_dev) class_put(parent_class); out1: class_device_put(class_dev); - kfree(class_name); return error; } @@ -726,7 +773,6 @@ void class_device_del(struct class_device *class_dev) struct class *parent_class = class_dev->class; struct class_device *parent_device = class_dev->parent; struct class_interface *class_intf; - char *class_name = NULL; if (parent_class) { down(&parent_class->sem); @@ -738,10 +784,8 @@ void class_device_del(struct class_device *class_dev) } if (class_dev->dev) { - class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); + remove_deprecated_class_device_links(class_dev); sysfs_remove_link(&class_dev->kobj, "device"); - sysfs_remove_link(&class_dev->dev->kobj, class_name); } sysfs_remove_link(&class_dev->kobj, "subsystem"); class_device_remove_file(class_dev, &class_dev->uevent_attr); @@ -755,7 +799,6 @@ void class_device_del(struct class_device *class_dev) class_device_put(parent_device); class_put(parent_class); - kfree(class_name); } void class_device_unregister(struct class_device *class_dev) @@ -804,14 +847,17 @@ int class_device_rename(struct class_device *class_dev, char *new_name) pr_debug("CLASS: renaming '%s' to '%s'\n", class_dev->class_id, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (class_dev->dev) old_class_name = make_class_name(class_dev->class->name, &class_dev->kobj); +#endif strlcpy(class_dev->class_id, new_name, KOBJ_NAME_LEN); error = kobject_rename(&class_dev->kobj, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (class_dev->dev) { new_class_name = make_class_name(class_dev->class->name, &class_dev->kobj); @@ -819,6 +865,7 @@ int class_device_rename(struct class_device *class_dev, char *new_name) new_class_name); sysfs_remove_link(&class_dev->dev->kobj, old_class_name); } +#endif class_device_put(class_dev); kfree(old_class_name); -- cgit v1.2.3 From 805952a889c4d0fdab23307c14c5ce9571f81233 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 Aug 2006 22:19:37 -0700 Subject: Driver core: convert vt code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/char/vt.c | 81 +++++++++++++++++++++++++++---------------------------- 1 file changed, 39 insertions(+), 42 deletions(-) (limited to 'drivers') diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 8e4413f6fba..87587b4385a 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -112,7 +112,7 @@ struct con_driver { const struct consw *con; const char *desc; - struct class_device *class_dev; + struct device *dev; int node; int first; int last; @@ -3023,10 +3023,10 @@ static inline int vt_unbind(struct con_driver *con) } #endif /* CONFIG_VT_HW_CONSOLE_BINDING */ -static ssize_t store_bind(struct class_device *class_device, +static ssize_t store_bind(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); int bind = simple_strtoul(buf, NULL, 0); if (bind) @@ -3037,17 +3037,19 @@ static ssize_t store_bind(struct class_device *class_device, return count; } -static ssize_t show_bind(struct class_device *class_device, char *buf) +static ssize_t show_bind(struct device *dev, struct device_attribute *attr, + char *buf) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); int bind = con_is_bound(con->con); return snprintf(buf, PAGE_SIZE, "%i\n", bind); } -static ssize_t show_name(struct class_device *class_device, char *buf) +static ssize_t show_name(struct device *dev, struct device_attribute *attr, + char *buf) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%s %s\n", (con->flag & CON_DRIVER_FLAG_MODULE) ? "(M)" : "(S)", @@ -3055,43 +3057,40 @@ static ssize_t show_name(struct class_device *class_device, char *buf) } -static struct class_device_attribute class_device_attrs[] = { +static struct device_attribute device_attrs[] = { __ATTR(bind, S_IRUGO|S_IWUSR, show_bind, store_bind), __ATTR(name, S_IRUGO, show_name, NULL), }; -static int vtconsole_init_class_device(struct con_driver *con) +static int vtconsole_init_device(struct con_driver *con) { int i; int error = 0; con->flag |= CON_DRIVER_FLAG_ATTR; - class_set_devdata(con->class_dev, con); - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { - error = class_device_create_file(con->class_dev, - &class_device_attrs[i]); + dev_set_drvdata(con->dev, con); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) { + error = device_create_file(con->dev, &device_attrs[i]); if (error) break; } if (error) { while (--i >= 0) - class_device_remove_file(con->class_dev, - &class_device_attrs[i]); + device_remove_file(con->dev, &device_attrs[i]); con->flag &= ~CON_DRIVER_FLAG_ATTR; } return error; } -static void vtconsole_deinit_class_device(struct con_driver *con) +static void vtconsole_deinit_device(struct con_driver *con) { int i; if (con->flag & CON_DRIVER_FLAG_ATTR) { - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_remove_file(con->class_dev, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) + device_remove_file(con->dev, &device_attrs[i]); con->flag &= ~CON_DRIVER_FLAG_ATTR; } } @@ -3179,18 +3178,17 @@ int register_con_driver(const struct consw *csw, int first, int last) if (retval) goto err; - con_driver->class_dev = class_device_create(vtconsole_class, NULL, - MKDEV(0, con_driver->node), - NULL, "vtcon%i", - con_driver->node); + con_driver->dev = device_create(vtconsole_class, NULL, + MKDEV(0, con_driver->node), + "vtcon%i", con_driver->node); - if (IS_ERR(con_driver->class_dev)) { - printk(KERN_WARNING "Unable to create class_device for %s; " + if (IS_ERR(con_driver->dev)) { + printk(KERN_WARNING "Unable to create device for %s; " "errno = %ld\n", con_driver->desc, - PTR_ERR(con_driver->class_dev)); - con_driver->class_dev = NULL; + PTR_ERR(con_driver->dev)); + con_driver->dev = NULL; } else { - vtconsole_init_class_device(con_driver); + vtconsole_init_device(con_driver); } err: @@ -3226,12 +3224,12 @@ int unregister_con_driver(const struct consw *csw) if (con_driver->con == csw && con_driver->flag & CON_DRIVER_FLAG_MODULE) { - vtconsole_deinit_class_device(con_driver); - class_device_destroy(vtconsole_class, - MKDEV(0, con_driver->node)); + vtconsole_deinit_device(con_driver); + device_destroy(vtconsole_class, + MKDEV(0, con_driver->node)); con_driver->con = NULL; con_driver->desc = NULL; - con_driver->class_dev = NULL; + con_driver->dev = NULL; con_driver->node = 0; con_driver->flag = 0; con_driver->first = 0; @@ -3289,19 +3287,18 @@ static int __init vtconsole_class_init(void) for (i = 0; i < MAX_NR_CON_DRIVER; i++) { struct con_driver *con = ®istered_con_driver[i]; - if (con->con && !con->class_dev) { - con->class_dev = - class_device_create(vtconsole_class, NULL, - MKDEV(0, con->node), NULL, - "vtcon%i", con->node); + if (con->con && !con->dev) { + con->dev = device_create(vtconsole_class, NULL, + MKDEV(0, con->node), + "vtcon%i", con->node); - if (IS_ERR(con->class_dev)) { + if (IS_ERR(con->dev)) { printk(KERN_WARNING "Unable to create " - "class_device for %s; errno = %ld\n", - con->desc, PTR_ERR(con->class_dev)); - con->class_dev = NULL; + "device for %s; errno = %ld\n", + con->desc, PTR_ERR(con->dev)); + con->dev = NULL; } else { - vtconsole_init_class_device(con); + vtconsole_init_device(con); } } } -- cgit v1.2.3 From cd15422b9f39155e2d9ea56ae95c6f62aa5df42e Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 Aug 2006 22:19:37 -0700 Subject: Driver core: convert vc code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/char/vc_screen.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index bd7a98c6ea7..f442b574b44 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -476,16 +476,16 @@ static struct class *vc_class; void vcs_make_sysfs(struct tty_struct *tty) { - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), - NULL, "vcs%u", tty->index + 1); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), - NULL, "vcsa%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), + "vcs%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), + "vcsa%u", tty->index + 1); } void vcs_remove_sysfs(struct tty_struct *tty) { - class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1)); - class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129)); + device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1)); + device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129)); } int __init vcs_init(void) @@ -494,7 +494,7 @@ int __init vcs_init(void) panic("unable to get major %d for vcs device", VCS_MAJOR); vc_class = class_create(THIS_MODULE, "vc"); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), "vcs"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), "vcsa"); return 0; } -- cgit v1.2.3 From 94fbcded4ea0dc14cbfb222a5c68372f150d1476 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 27 Jul 2006 16:16:04 -0700 Subject: Driver core: change misc class_devices to be real devices This also ment that some of the misc drivers had to also be fixed up as they were assuming the device was a class_device. Signed-off-by: Greg Kroah-Hartman --- drivers/char/hw_random/core.c | 38 +++++++++++++++++++------------------- drivers/char/misc.c | 13 ++++--------- drivers/char/tpm/tpm.c | 2 +- drivers/input/serio/serio_raw.c | 2 +- 4 files changed, 25 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 154a81d328c..ebace201bec 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -162,7 +162,8 @@ static struct miscdevice rng_miscdev = { }; -static ssize_t hwrng_attr_current_store(struct class_device *class, +static ssize_t hwrng_attr_current_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) { int err; @@ -192,7 +193,8 @@ static ssize_t hwrng_attr_current_store(struct class_device *class, return err ? : len; } -static ssize_t hwrng_attr_current_show(struct class_device *class, +static ssize_t hwrng_attr_current_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err; @@ -210,7 +212,8 @@ static ssize_t hwrng_attr_current_show(struct class_device *class, return ret; } -static ssize_t hwrng_attr_available_show(struct class_device *class, +static ssize_t hwrng_attr_available_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err; @@ -234,20 +237,18 @@ static ssize_t hwrng_attr_available_show(struct class_device *class, return ret; } -static CLASS_DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, - hwrng_attr_current_show, - hwrng_attr_current_store); -static CLASS_DEVICE_ATTR(rng_available, S_IRUGO, - hwrng_attr_available_show, - NULL); +static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, + hwrng_attr_current_show, + hwrng_attr_current_store); +static DEVICE_ATTR(rng_available, S_IRUGO, + hwrng_attr_available_show, + NULL); static void unregister_miscdev(void) { - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_available); - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_current); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); misc_deregister(&rng_miscdev); } @@ -258,20 +259,19 @@ static int register_miscdev(void) err = misc_register(&rng_miscdev); if (err) goto out; - err = class_device_create_file(rng_miscdev.class, - &class_device_attr_rng_current); + err = device_create_file(rng_miscdev.this_device, + &dev_attr_rng_current); if (err) goto err_misc_dereg; - err = class_device_create_file(rng_miscdev.class, - &class_device_attr_rng_available); + err = device_create_file(rng_miscdev.this_device, + &dev_attr_rng_available); if (err) goto err_remove_current; out: return err; err_remove_current: - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_current); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); err_misc_dereg: misc_deregister(&rng_miscdev); goto out; diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 62ebe09656e..7a484fc7cb9 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -169,11 +169,6 @@ fail: return err; } -/* - * TODO for 2.7: - * - add a struct kref to struct miscdevice and make all usages of - * them dynamic. - */ static struct class *misc_class; static const struct file_operations misc_fops = { @@ -228,10 +223,10 @@ int misc_register(struct miscdevice * misc) misc_minors[misc->minor >> 3] |= 1 << (misc->minor & 7); dev = MKDEV(MISC_MAJOR, misc->minor); - misc->class = class_device_create(misc_class, NULL, dev, misc->dev, + misc->this_device = device_create(misc_class, misc->parent, dev, "%s", misc->name); - if (IS_ERR(misc->class)) { - err = PTR_ERR(misc->class); + if (IS_ERR(misc->this_device)) { + err = PTR_ERR(misc->this_device); goto out; } @@ -264,7 +259,7 @@ int misc_deregister(struct miscdevice * misc) down(&misc_sem); list_del(&misc->list); - class_device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor)); + device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor)); if (i < DYNAMIC_MINORS && i>0) { misc_minors[i>>3] &= ~(1 << (misc->minor & 7)); } diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 6ad2d3bb945..6e1329d404d 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1130,7 +1130,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num); chip->vendor.miscdev.name = devname; - chip->vendor.miscdev.dev = dev; + chip->vendor.miscdev.parent = dev; chip->dev = get_device(dev); if (misc_register(&chip->vendor.miscdev)) { diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index ba2a2035d64..7c8d0399ae8 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -297,7 +297,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) serio_raw->dev.minor = PSMOUSE_MINOR; serio_raw->dev.name = serio_raw->name; - serio_raw->dev.dev = &serio->dev; + serio_raw->dev.parent = &serio->dev; serio_raw->dev.fops = &serio_raw_fops; err = misc_register(&serio_raw->dev); -- cgit v1.2.3 From 01107d343076c34b9e1ce5d073292bd7f3097fda Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 Aug 2006 22:19:37 -0700 Subject: Driver core: convert tty core to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Also fixes up the isdn drivers that were putting something in the class device's directory. Signed-off-by: Greg Kroah-Hartman --- drivers/char/tty_io.c | 19 ++++++++++--------- drivers/isdn/gigaset/common.c | 2 +- drivers/isdn/gigaset/gigaset.h | 2 +- drivers/isdn/gigaset/interface.c | 10 +++++----- drivers/isdn/gigaset/proc.c | 19 ++++++++++--------- 5 files changed, 27 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e90ea39c7c4..50dc49205a2 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3612,7 +3612,8 @@ static struct class *tty_class; * This field is optional, if there is no known struct device * for this tty device it can be set to NULL safely. * - * Returns a pointer to the class device (or ERR_PTR(-EFOO) on error). + * Returns a pointer to the struct device for this tty device + * (or ERR_PTR(-EFOO) on error). * * This call is required to be made to register an individual tty device * if the tty driver's flags have the TTY_DRIVER_DYNAMIC_DEV bit set. If @@ -3622,8 +3623,8 @@ static struct class *tty_class; * Locking: ?? */ -struct class_device *tty_register_device(struct tty_driver *driver, - unsigned index, struct device *device) +struct device *tty_register_device(struct tty_driver *driver, unsigned index, + struct device *device) { char name[64]; dev_t dev = MKDEV(driver->major, driver->minor_start) + index; @@ -3639,7 +3640,7 @@ struct class_device *tty_register_device(struct tty_driver *driver, else tty_line_name(driver, index, name); - return class_device_create(tty_class, NULL, dev, device, "%s", name); + return device_create(tty_class, device, dev, name); } /** @@ -3655,7 +3656,7 @@ struct class_device *tty_register_device(struct tty_driver *driver, void tty_unregister_device(struct tty_driver *driver, unsigned index) { - class_device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); + device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); } EXPORT_SYMBOL(tty_register_device); @@ -3895,20 +3896,20 @@ static int __init tty_init(void) if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0) panic("Couldn't register /dev/tty driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), "tty"); cdev_init(&console_cdev, &console_fops); if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0) panic("Couldn't register /dev/console driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, "console"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), "console"); #ifdef CONFIG_UNIX98_PTYS cdev_init(&ptmx_cdev, &ptmx_fops); if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) panic("Couldn't register /dev/ptmx driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), "ptmx"); #endif #ifdef CONFIG_VT @@ -3916,7 +3917,7 @@ static int __init tty_init(void) if (cdev_add(&vc0_cdev, MKDEV(TTY_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) panic("Couldn't register /dev/tty0 driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); + device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), "tty0"); vty_init(); #endif diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index 5800beeebb8..defd5743dba 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -702,7 +702,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, cs->open_count = 0; cs->dev = NULL; cs->tty = NULL; - cs->class = NULL; + cs->tty_dev = NULL; cs->cidmode = cidmode != 0; //if(onechannel) { //FIXME diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 884bd72c1bf..06298cc52bf 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -444,7 +444,7 @@ struct cardstate { struct gigaset_driver *driver; unsigned minor_index; struct device *dev; - struct class_device *class; + struct device *tty_dev; const struct gigaset_ops *ops; diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index 596f3aebe2f..7edea015867 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -625,13 +625,13 @@ void gigaset_if_init(struct cardstate *cs) return; tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs); - cs->class = tty_register_device(drv->tty, cs->minor_index, NULL); + cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL); - if (!IS_ERR(cs->class)) - class_set_devdata(cs->class, cs); + if (!IS_ERR(cs->tty_dev)) + dev_set_drvdata(cs->tty_dev, cs); else { warn("could not register device to the tty subsystem"); - cs->class = NULL; + cs->tty_dev = NULL; } } @@ -645,7 +645,7 @@ void gigaset_if_free(struct cardstate *cs) tasklet_disable(&cs->if_wake_tasklet); tasklet_kill(&cs->if_wake_tasklet); - cs->class = NULL; + cs->tty_dev = NULL; tty_unregister_device(drv->tty, cs->minor_index); } diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index 9ad840e95db..e767afa55ab 100644 --- a/drivers/isdn/gigaset/proc.c +++ b/drivers/isdn/gigaset/proc.c @@ -16,11 +16,12 @@ #include "gigaset.h" #include -static ssize_t show_cidmode(struct class_device *class, char *buf) +static ssize_t show_cidmode(struct device *dev, + struct device_attribute *attr, char *buf) { int ret; unsigned long flags; - struct cardstate *cs = class_get_devdata(class); + struct cardstate *cs = dev_get_drvdata(dev); spin_lock_irqsave(&cs->lock, flags); ret = sprintf(buf, "%u\n", cs->cidmode); @@ -29,10 +30,10 @@ static ssize_t show_cidmode(struct class_device *class, char *buf) return ret; } -static ssize_t set_cidmode(struct class_device *class, +static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct cardstate *cs = class_get_devdata(class); + struct cardstate *cs = dev_get_drvdata(dev); long int value; char *end; @@ -64,25 +65,25 @@ static ssize_t set_cidmode(struct class_device *class, return count; } -static CLASS_DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode); +static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode); /* free sysfs for device */ void gigaset_free_dev_sysfs(struct cardstate *cs) { - if (!cs->class) + if (!cs->tty_dev) return; gig_dbg(DEBUG_INIT, "removing sysfs entries"); - class_device_remove_file(cs->class, &class_device_attr_cidmode); + device_remove_file(cs->tty_dev, &dev_attr_cidmode); } /* initialize sysfs for device */ void gigaset_init_dev_sysfs(struct cardstate *cs) { - if (!cs->class) + if (!cs->tty_dev) return; gig_dbg(DEBUG_INIT, "setting up sysfs"); - if (class_device_create_file(cs->class, &class_device_attr_cidmode)) + if (device_create_file(cs->tty_dev, &dev_attr_cidmode)) dev_err(cs->dev, "could not create sysfs attribute\n"); } -- cgit v1.2.3 From 38ca6c34d385f143027ff40dd271c61adcc9b23c Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 7 Aug 2006 22:19:37 -0700 Subject: Driver core: convert raw device code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/char/raw.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 89b718e326e..3b32313f6eb 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -127,9 +127,9 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), - NULL, "raw%d", rq->raw_minor); + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + "raw%d", rq->raw_minor); } /* @@ -200,7 +200,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, if (rq.block_major == 0 && rq.block_minor == 0) { /* unbind */ rawdev->binding = NULL; - class_device_destroy(raw_class, + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq.raw_minor)); } else { rawdev->binding = bdget(dev); @@ -283,7 +283,7 @@ static int __init raw_init(void) ret = PTR_ERR(raw_class); goto error_region; } - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl"); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); return 0; @@ -295,7 +295,7 @@ error: static void __exit raw_exit(void) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); + device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); class_destroy(raw_class); cdev_del(&raw_cdev); unregister_chrdev_region(MKDEV(RAW_MAJOR, 0), MAX_RAW_MINORS); -- cgit v1.2.3 From ac11d0601bbe73c92e31b393eeb1225593788d4c Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 3 Jul 2006 13:46:24 -0700 Subject: I2C: convert i2c-dev to use struct device instead of struct class_device As class_device is going away eventually... Cc: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/i2c-dev.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 3f869033ed7..94a4e9a3013 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -42,7 +42,7 @@ static struct i2c_driver i2cdev_driver; struct i2c_dev { struct list_head list; struct i2c_adapter *adap; - struct class_device *class_dev; + struct device *dev; }; #define I2C_MINORS 256 @@ -92,15 +92,16 @@ static void return_i2c_dev(struct i2c_dev *i2c_dev) spin_unlock(&i2c_dev_list_lock); } -static ssize_t show_adapter_name(struct class_device *class_dev, char *buf) +static ssize_t show_adapter_name(struct device *dev, + struct device_attribute *attr, char *buf) { - struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(class_dev->devt)); + struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt)); if (!i2c_dev) return -ENODEV; return sprintf(buf, "%s\n", i2c_dev->adap->name); } -static CLASS_DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL); +static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL); static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count, loff_t *offset) @@ -413,15 +414,14 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) return PTR_ERR(i2c_dev); /* register this i2c device with the driver core */ - i2c_dev->class_dev = class_device_create(i2c_dev_class, NULL, - MKDEV(I2C_MAJOR, adap->nr), - &adap->dev, "i2c-%d", - adap->nr); - if (!i2c_dev->class_dev) { + i2c_dev->dev = device_create(i2c_dev_class, &adap->dev, + MKDEV(I2C_MAJOR, adap->nr), + "i2c-%d", adap->nr); + if (!i2c_dev->dev) { res = -ENODEV; goto error; } - res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name); + res = device_create_file(i2c_dev->dev, &dev_attr_name); if (res) goto error_destroy; @@ -429,7 +429,7 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) adap->name, adap->nr); return 0; error_destroy: - class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); + device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); error: return_i2c_dev(i2c_dev); kfree(i2c_dev); @@ -444,9 +444,9 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap) if (!i2c_dev) /* attach_adapter must have failed */ return 0; - class_device_remove_file(i2c_dev->class_dev, &class_device_attr_name); + device_remove_file(i2c_dev->dev, &dev_attr_name); return_i2c_dev(i2c_dev); - class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); + device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); kfree(i2c_dev); pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name); -- cgit v1.2.3 From 9a6a2a5e0b57d25c1bf6eb9b8c958940e156b059 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 12 Sep 2006 17:00:10 +0200 Subject: Driver core: convert PPP code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/net/ppp_generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index f5802e7b08e..c6de566188e 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -860,7 +860,7 @@ static int __init ppp_init(void) err = PTR_ERR(ppp_class); goto out_chrdev; } - class_device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), NULL, "ppp"); + device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), "ppp"); } out: @@ -2675,7 +2675,7 @@ static void __exit ppp_cleanup(void) cardmap_destroy(&all_ppp_units); if (unregister_chrdev(PPP_MAJOR, "ppp") != 0) printk(KERN_ERR "PPP: failed to unregister PPP device\n"); - class_device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0)); + device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0)); class_destroy(ppp_class); } -- cgit v1.2.3 From 04880edae5e1027d61241beb5ac37b520755f2ab Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 12 Sep 2006 17:00:10 +0200 Subject: Driver core: convert ppdev code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/char/ppdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index efc485edad1..c1e3dd837fc 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -752,13 +752,13 @@ static const struct file_operations pp_fops = { static void pp_attach(struct parport *port) { - class_device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number), - NULL, "parport%d", port->number); + device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number), + "parport%d", port->number); } static void pp_detach(struct parport *port) { - class_device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number)); + device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number)); } static struct parport_driver pp_driver = { -- cgit v1.2.3 From fcaf71fd51f9cfc504455d3e19ec242e4b2073ed Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 12 Sep 2006 17:00:10 +0200 Subject: Driver core: convert mmc code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/mmc_queue.c | 4 ++-- drivers/mmc/mmc_sysfs.c | 20 ++++++++++---------- drivers/mmc/wbsd.c | 6 +++--- 3 files changed, 15 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 4ccdd82b680..61a1de85cb2 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -130,8 +130,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock u64 limit = BLK_BOUNCE_HIGH; int ret; - if (host->dev->dma_mask && *host->dev->dma_mask) - limit = *host->dev->dma_mask; + if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) + limit = *mmc_dev(host)->dma_mask; mq->card = card; mq->queue = blk_init_queue(mmc_request, lock); diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c index 10cc9734eaa..ac532963604 100644 --- a/drivers/mmc/mmc_sysfs.c +++ b/drivers/mmc/mmc_sysfs.c @@ -199,7 +199,7 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host) memset(card, 0, sizeof(struct mmc_card)); card->host = host; device_initialize(&card->dev); - card->dev.parent = card->host->dev; + card->dev.parent = mmc_dev(host); card->dev.bus = &mmc_bus_type; card->dev.release = mmc_release_card; } @@ -242,7 +242,7 @@ void mmc_remove_card(struct mmc_card *card) } -static void mmc_host_classdev_release(struct class_device *dev) +static void mmc_host_classdev_release(struct device *dev) { struct mmc_host *host = cls_dev_to_mmc_host(dev); kfree(host); @@ -250,7 +250,7 @@ static void mmc_host_classdev_release(struct class_device *dev) static struct class mmc_host_class = { .name = "mmc_host", - .release = mmc_host_classdev_release, + .dev_release = mmc_host_classdev_release, }; static DEFINE_IDR(mmc_host_idr); @@ -267,10 +267,10 @@ struct mmc_host *mmc_alloc_host_sysfs(int extra, struct device *dev) if (host) { memset(host, 0, sizeof(struct mmc_host) + extra); - host->dev = dev; - host->class_dev.dev = host->dev; + host->parent = dev; + host->class_dev.parent = dev; host->class_dev.class = &mmc_host_class; - class_device_initialize(&host->class_dev); + device_initialize(&host->class_dev); } return host; @@ -292,10 +292,10 @@ int mmc_add_host_sysfs(struct mmc_host *host) if (err) return err; - snprintf(host->class_dev.class_id, BUS_ID_SIZE, + snprintf(host->class_dev.bus_id, BUS_ID_SIZE, "mmc%d", host->index); - return class_device_add(&host->class_dev); + return device_add(&host->class_dev); } /* @@ -303,7 +303,7 @@ int mmc_add_host_sysfs(struct mmc_host *host) */ void mmc_remove_host_sysfs(struct mmc_host *host) { - class_device_del(&host->class_dev); + device_del(&host->class_dev); spin_lock(&mmc_host_lock); idr_remove(&mmc_host_idr, host->index); @@ -315,7 +315,7 @@ void mmc_remove_host_sysfs(struct mmc_host *host) */ void mmc_free_host_sysfs(struct mmc_host *host) { - class_device_put(&host->class_dev); + put_device(&host->class_dev); } static struct workqueue_struct *workqueue; diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index ced309b37a8..682e62b0b09 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -1488,7 +1488,7 @@ static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma) /* * Translate the address to a physical address. */ - host->dma_addr = dma_map_single(host->mmc->dev, host->dma_buffer, + host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); /* @@ -1512,7 +1512,7 @@ kfree: */ BUG_ON(1); - dma_unmap_single(host->mmc->dev, host->dma_addr, + dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); host->dma_addr = (dma_addr_t)NULL; @@ -1530,7 +1530,7 @@ err: static void __devexit wbsd_release_dma(struct wbsd_host *host) { if (host->dma_addr) { - dma_unmap_single(host->mmc->dev, host->dma_addr, + dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); } kfree(host->dma_buffer); -- cgit v1.2.3 From e55c8790d40fdbc6887b4e3e52afefe4b03f1311 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 14 Sep 2006 07:30:59 -0700 Subject: Driver core: convert firmware code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/base/firmware_class.c | 119 ++++++++++++++++++++---------------------- 1 file changed, 57 insertions(+), 62 deletions(-) (limited to 'drivers') diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 14615694ae9..4bad2870c48 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -21,6 +21,8 @@ #include #include "base.h" +#define to_dev(obj) container_of(obj, struct device, kobj) + MODULE_AUTHOR("Manuel Estrada Sainz "); MODULE_DESCRIPTION("Multi purpose firmware loading support"); MODULE_LICENSE("GPL"); @@ -86,12 +88,12 @@ firmware_timeout_store(struct class *class, const char *buf, size_t count) static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store); -static void fw_class_dev_release(struct class_device *class_dev); +static void fw_dev_release(struct device *dev); -static int firmware_class_uevent(struct class_device *class_dev, char **envp, - int num_envp, char *buffer, int buffer_size) +static int firmware_uevent(struct device *dev, char **envp, int num_envp, + char *buffer, int buffer_size) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int i = 0, len = 0; if (!test_bit(FW_STATUS_READY, &fw_priv->status)) @@ -110,21 +112,21 @@ static int firmware_class_uevent(struct class_device *class_dev, char **envp, static struct class firmware_class = { .name = "firmware", - .uevent = firmware_class_uevent, - .release = fw_class_dev_release, + .dev_uevent = firmware_uevent, + .dev_release = fw_dev_release, }; -static ssize_t -firmware_loading_show(struct class_device *class_dev, char *buf) +static ssize_t firmware_loading_show(struct device *dev, + struct device_attribute *attr, char *buf) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int loading = test_bit(FW_STATUS_LOADING, &fw_priv->status); return sprintf(buf, "%d\n", loading); } /** * firmware_loading_store - set value in the 'loading' control file - * @class_dev: class_device pointer + * @dev: device pointer * @buf: buffer to scan for loading control value * @count: number of bytes in @buf * @@ -134,11 +136,11 @@ firmware_loading_show(struct class_device *class_dev, char *buf) * 0: Conclude the load and hand the data to the driver code. * -1: Conclude the load with an error and discard any written data. **/ -static ssize_t -firmware_loading_store(struct class_device *class_dev, - const char *buf, size_t count) +static ssize_t firmware_loading_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int loading = simple_strtol(buf, NULL, 10); switch (loading) { @@ -174,15 +176,14 @@ firmware_loading_store(struct class_device *class_dev, return count; } -static CLASS_DEVICE_ATTR(loading, 0644, - firmware_loading_show, firmware_loading_store); +static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store); static ssize_t firmware_data_read(struct kobject *kobj, char *buffer, loff_t offset, size_t count) { - struct class_device *class_dev = to_class_dev(kobj); - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct device *dev = to_dev(kobj); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); struct firmware *fw; ssize_t ret_count = count; @@ -234,7 +235,7 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size) /** * firmware_data_write - write method for firmware - * @kobj: kobject for the class_device + * @kobj: kobject for the device * @buffer: buffer being written * @offset: buffer offset for write in total data store area * @count: buffer size @@ -246,8 +247,8 @@ static ssize_t firmware_data_write(struct kobject *kobj, char *buffer, loff_t offset, size_t count) { - struct class_device *class_dev = to_class_dev(kobj); - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct device *dev = to_dev(kobj); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); struct firmware *fw; ssize_t retval; @@ -280,13 +281,12 @@ static struct bin_attribute firmware_attr_data_tmpl = { .write = firmware_data_write, }; -static void -fw_class_dev_release(struct class_device *class_dev) +static void fw_dev_release(struct device *dev) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); kfree(fw_priv); - kfree(class_dev); + kfree(dev); module_put(THIS_MODULE); } @@ -298,26 +298,23 @@ firmware_class_timeout(u_long data) fw_load_abort(fw_priv); } -static inline void -fw_setup_class_device_id(struct class_device *class_dev, struct device *dev) +static inline void fw_setup_device_id(struct device *f_dev, struct device *dev) { /* XXX warning we should watch out for name collisions */ - strlcpy(class_dev->class_id, dev->bus_id, BUS_ID_SIZE); + strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE); } -static int -fw_register_class_device(struct class_device **class_dev_p, - const char *fw_name, struct device *device) +static int fw_register_device(struct device **dev_p, const char *fw_name, + struct device *device) { int retval; struct firmware_priv *fw_priv = kzalloc(sizeof(*fw_priv), GFP_KERNEL); - struct class_device *class_dev = kzalloc(sizeof(*class_dev), - GFP_KERNEL); + struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL); - *class_dev_p = NULL; + *dev_p = NULL; - if (!fw_priv || !class_dev) { + if (!fw_priv || !f_dev) { printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__); retval = -ENOMEM; goto error_kfree; @@ -331,55 +328,54 @@ fw_register_class_device(struct class_device **class_dev_p, fw_priv->timeout.data = (u_long) fw_priv; init_timer(&fw_priv->timeout); - fw_setup_class_device_id(class_dev, device); - class_dev->dev = device; - class_dev->class = &firmware_class; - class_set_devdata(class_dev, fw_priv); - retval = class_device_register(class_dev); + fw_setup_device_id(f_dev, device); + f_dev->parent = device; + f_dev->class = &firmware_class; + dev_set_drvdata(f_dev, fw_priv); + retval = device_register(f_dev); if (retval) { - printk(KERN_ERR "%s: class_device_register failed\n", + printk(KERN_ERR "%s: device_register failed\n", __FUNCTION__); goto error_kfree; } - *class_dev_p = class_dev; + *dev_p = f_dev; return 0; error_kfree: kfree(fw_priv); - kfree(class_dev); + kfree(f_dev); return retval; } -static int -fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p, - const char *fw_name, struct device *device, int uevent) +static int fw_setup_device(struct firmware *fw, struct device **dev_p, + const char *fw_name, struct device *device, + int uevent) { - struct class_device *class_dev; + struct device *f_dev; struct firmware_priv *fw_priv; int retval; - *class_dev_p = NULL; - retval = fw_register_class_device(&class_dev, fw_name, device); + *dev_p = NULL; + retval = fw_register_device(&f_dev, fw_name, device); if (retval) goto out; /* Need to pin this module until class device is destroyed */ __module_get(THIS_MODULE); - fw_priv = class_get_devdata(class_dev); + fw_priv = dev_get_drvdata(f_dev); fw_priv->fw = fw; - retval = sysfs_create_bin_file(&class_dev->kobj, &fw_priv->attr_data); + retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data); if (retval) { printk(KERN_ERR "%s: sysfs_create_bin_file failed\n", __FUNCTION__); goto error_unreg; } - retval = class_device_create_file(class_dev, - &class_device_attr_loading); + retval = device_create_file(f_dev, &dev_attr_loading); if (retval) { - printk(KERN_ERR "%s: class_device_create_file failed\n", + printk(KERN_ERR "%s: device_create_file failed\n", __FUNCTION__); goto error_unreg; } @@ -388,11 +384,11 @@ fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p, set_bit(FW_STATUS_READY, &fw_priv->status); else set_bit(FW_STATUS_READY_NOHOTPLUG, &fw_priv->status); - *class_dev_p = class_dev; + *dev_p = f_dev; goto out; error_unreg: - class_device_unregister(class_dev); + device_unregister(f_dev); out: return retval; } @@ -401,7 +397,7 @@ static int _request_firmware(const struct firmware **firmware_p, const char *name, struct device *device, int uevent) { - struct class_device *class_dev; + struct device *f_dev; struct firmware_priv *fw_priv; struct firmware *firmware; int retval; @@ -417,12 +413,11 @@ _request_firmware(const struct firmware **firmware_p, const char *name, goto out; } - retval = fw_setup_class_device(firmware, &class_dev, name, device, - uevent); + retval = fw_setup_device(firmware, &f_dev, name, device, uevent); if (retval) goto error_kfree_fw; - fw_priv = class_get_devdata(class_dev); + fw_priv = dev_get_drvdata(f_dev); if (uevent) { if (loading_timeout > 0) { @@ -430,7 +425,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, add_timer(&fw_priv->timeout); } - kobject_uevent(&class_dev->kobj, KOBJ_ADD); + kobject_uevent(&f_dev->kobj, KOBJ_ADD); wait_for_completion(&fw_priv->completion); set_bit(FW_STATUS_DONE, &fw_priv->status); del_timer_sync(&fw_priv->timeout); @@ -445,7 +440,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, } fw_priv->fw = NULL; mutex_unlock(&fw_lock); - class_device_unregister(class_dev); + device_unregister(f_dev); goto out; error_kfree_fw: -- cgit v1.2.3 From 78cde0887930f5d11a56fc51b013f2672fba0e6f Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 14 Sep 2006 07:30:59 -0700 Subject: Driver core: convert fb code to use struct device Converts from using struct "class_device" to "struct device" making everything show up properly in /sys/devices/ with symlinks from the /sys/class directory. Signed-off-by: Greg Kroah-Hartman --- drivers/video/fbmem.c | 16 ++--- drivers/video/fbsysfs.c | 163 +++++++++++++++++++++++++++--------------------- 2 files changed, 99 insertions(+), 80 deletions(-) (limited to 'drivers') diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 93ffcdd95f5..e973a87fbb0 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1296,14 +1296,14 @@ register_framebuffer(struct fb_info *fb_info) break; fb_info->node = i; - fb_info->class_device = class_device_create(fb_class, NULL, MKDEV(FB_MAJOR, i), - fb_info->device, "fb%d", i); - if (IS_ERR(fb_info->class_device)) { + fb_info->dev = device_create(fb_class, fb_info->device, + MKDEV(FB_MAJOR, i), "fb%d", i); + if (IS_ERR(fb_info->dev)) { /* Not fatal */ - printk(KERN_WARNING "Unable to create class_device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->class_device)); - fb_info->class_device = NULL; + printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev)); + fb_info->dev = NULL; } else - fb_init_class_device(fb_info); + fb_init_device(fb_info); if (fb_info->pixmap.addr == NULL) { fb_info->pixmap.addr = kmalloc(FBPIXMAPSIZE, GFP_KERNEL); @@ -1356,8 +1356,8 @@ unregister_framebuffer(struct fb_info *fb_info) fb_destroy_modelist(&fb_info->modelist); registered_fb[i]=NULL; num_registered_fb--; - fb_cleanup_class_device(fb_info); - class_device_destroy(fb_class, MKDEV(FB_MAJOR, i)); + fb_cleanup_device(fb_info); + device_destroy(fb_class, MKDEV(FB_MAJOR, i)); event.info = fb_info; fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event); return 0; diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index d3a50417ed9..323bdf6fc7d 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL(framebuffer_alloc); * * @info: frame buffer info structure * - * Drop the reference count of the class_device embedded in the + * Drop the reference count of the device embedded in the * framebuffer info structure. * */ @@ -120,10 +120,10 @@ static int mode_string(char *buf, unsigned int offset, m, mode->xres, mode->yres, v, mode->refresh); } -static ssize_t store_mode(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_mode(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); char mstr[100]; struct fb_var_screeninfo var; struct fb_modelist *modelist; @@ -151,9 +151,10 @@ static ssize_t store_mode(struct class_device *class_device, const char * buf, return -EINVAL; } -static ssize_t show_mode(struct class_device *class_device, char *buf) +static ssize_t show_mode(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); if (!fb_info->mode) return 0; @@ -161,10 +162,11 @@ static ssize_t show_mode(struct class_device *class_device, char *buf) return mode_string(buf, 0, fb_info->mode); } -static ssize_t store_modes(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_modes(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); LIST_HEAD(old_list); int i = count / sizeof(struct fb_videomode); @@ -186,9 +188,10 @@ static ssize_t store_modes(struct class_device *class_device, const char * buf, return 0; } -static ssize_t show_modes(struct class_device *class_device, char *buf) +static ssize_t show_modes(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); unsigned int i; struct list_head *pos; struct fb_modelist *modelist; @@ -203,10 +206,10 @@ static ssize_t show_modes(struct class_device *class_device, char *buf) return i; } -static ssize_t store_bpp(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_bpp(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char ** last = NULL; int err; @@ -218,16 +221,18 @@ static ssize_t store_bpp(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_bpp(struct class_device *class_device, char *buf) +static ssize_t show_bpp(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); } -static ssize_t store_rotate(struct class_device *class_device, const char *buf, - size_t count) +static ssize_t store_rotate(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char **last = NULL; int err; @@ -242,17 +247,19 @@ static ssize_t store_rotate(struct class_device *class_device, const char *buf, } -static ssize_t show_rotate(struct class_device *class_device, char *buf) +static ssize_t show_rotate(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); } -static ssize_t store_virtual(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_virtual(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -269,23 +276,26 @@ static ssize_t store_virtual(struct class_device *class_device, return count; } -static ssize_t show_virtual(struct class_device *class_device, char *buf) +static ssize_t show_virtual(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, fb_info->var.yres_virtual); } -static ssize_t show_stride(struct class_device *class_device, char *buf) +static ssize_t show_stride(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); } -static ssize_t store_blank(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_blank(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); char *last = NULL; int err; @@ -299,42 +309,48 @@ static ssize_t store_blank(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_blank(struct class_device *class_device, char *buf) +static ssize_t show_blank(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_console(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_console(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t show_console(struct class_device *class_device, char *buf) +static ssize_t show_console(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_cursor(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_cursor(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t show_cursor(struct class_device *class_device, char *buf) +static ssize_t show_cursor(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_pan(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_pan(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -355,24 +371,27 @@ static ssize_t store_pan(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_pan(struct class_device *class_device, char *buf) +static ssize_t show_pan(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, fb_info->var.xoffset); } -static ssize_t show_name(struct class_device *class_device, char *buf) +static ssize_t show_name(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); } -static ssize_t store_fbstate(struct class_device *class_device, - const char *buf, size_t count) +static ssize_t store_fbstate(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); u32 state; char *last = NULL; @@ -385,17 +404,19 @@ static ssize_t store_fbstate(struct class_device *class_device, return count; } -static ssize_t show_fbstate(struct class_device *class_device, char *buf) +static ssize_t show_fbstate(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); } #ifdef CONFIG_FB_BACKLIGHT -static ssize_t store_bl_curve(struct class_device *class_device, - const char *buf, size_t count) +static ssize_t store_bl_curve(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); u8 tmp_curve[FB_BACKLIGHT_LEVELS]; unsigned int i; @@ -432,9 +453,10 @@ static ssize_t store_bl_curve(struct class_device *class_device, return count; } -static ssize_t show_bl_curve(struct class_device *class_device, char *buf) +static ssize_t show_bl_curve(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); ssize_t len = 0; unsigned int i; @@ -465,7 +487,7 @@ static ssize_t show_bl_curve(struct class_device *class_device, char *buf) /* When cmap is added back in it should be a binary attribute * not a text one. Consideration should also be given to converting * fbdev to use configfs instead of sysfs */ -static struct class_device_attribute class_device_attrs[] = { +static struct device_attribute device_attrs[] = { __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp), __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank), __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console), @@ -483,17 +505,16 @@ static struct class_device_attribute class_device_attrs[] = { #endif }; -int fb_init_class_device(struct fb_info *fb_info) +int fb_init_device(struct fb_info *fb_info) { int i, error = 0; - class_set_devdata(fb_info->class_device, fb_info); + dev_set_drvdata(fb_info->dev, fb_info); fb_info->class_flag |= FB_SYSFS_FLAG_ATTR; - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { - error = class_device_create_file(fb_info->class_device, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) { + error = device_create_file(fb_info->dev, &device_attrs[i]); if (error) break; @@ -501,22 +522,20 @@ int fb_init_class_device(struct fb_info *fb_info) if (error) { while (--i >= 0) - class_device_remove_file(fb_info->class_device, - &class_device_attrs[i]); + device_remove_file(fb_info->dev, &device_attrs[i]); fb_info->class_flag &= ~FB_SYSFS_FLAG_ATTR; } return 0; } -void fb_cleanup_class_device(struct fb_info *fb_info) +void fb_cleanup_device(struct fb_info *fb_info) { unsigned int i; if (fb_info->class_flag & FB_SYSFS_FLAG_ATTR) { - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_remove_file(fb_info->class_device, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) + device_remove_file(fb_info->dev, &device_attrs[i]); fb_info->class_flag &= ~FB_SYSFS_FLAG_ATTR; } -- cgit v1.2.3 From ebf644c4623bc3eb57683199cd2b9080028b0f6f Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 25 Jul 2006 17:13:31 -0700 Subject: Driver core: change mem class_devices to be real devices Signed-off-by: Greg Kroah-Hartman --- drivers/char/mem.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 55473371b7c..e67eef4867b 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -980,10 +980,10 @@ static int __init chr_dev_init(void) mem_class = class_create(THIS_MODULE, "mem"); for (i = 0; i < ARRAY_SIZE(devlist); i++) - class_device_create(mem_class, NULL, - MKDEV(MEM_MAJOR, devlist[i].minor), - NULL, devlist[i].name); - + device_create(mem_class, NULL, + MKDEV(MEM_MAJOR, devlist[i].minor), + devlist[i].name); + return 0; } -- cgit v1.2.3 From 465ae641e4a3e5028aa9c85d3843259aa28a22ce Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sat, 11 Nov 2006 17:18:42 +1100 Subject: ACPI: Change ACPI to use dev_archdata instead of firmware_data Change ACPI to use dev_archdata instead of firmware_data This patch changes ACPI to use the new dev_archdata on i386, x86_64 and ia64 (is there any other arch using ACPI ?) to store it's acpi_handle. It also removes the firmware_data field from struct device as this was the only user. Only build-tested on x86 Signed-off-by: Benjamin Herrenschmidt Cc: Len Brown Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/glue.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 10f160dc75b..a2f46d587d5 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -267,9 +267,9 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) { acpi_status status; - if (dev->firmware_data) { + if (dev->archdata.acpi_handle) { printk(KERN_WARNING PREFIX - "Drivers changed 'firmware_data' for %s\n", dev->bus_id); + "Drivers changed 'acpi_handle' for %s\n", dev->bus_id); return -EINVAL; } get_device(dev); @@ -278,25 +278,26 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) put_device(dev); return -EINVAL; } - dev->firmware_data = handle; + dev->archdata.acpi_handle = handle; return 0; } static int acpi_unbind_one(struct device *dev) { - if (!dev->firmware_data) + if (!dev->archdata.acpi_handle) return 0; - if (dev == acpi_get_physical_device(dev->firmware_data)) { + if (dev == acpi_get_physical_device(dev->archdata.acpi_handle)) { /* acpi_get_physical_device increase refcnt by one */ put_device(dev); - acpi_detach_data(dev->firmware_data, acpi_glue_data_handler); - dev->firmware_data = NULL; + acpi_detach_data(dev->archdata.acpi_handle, + acpi_glue_data_handler); + dev->archdata.acpi_handle = NULL; /* acpi_bind_one increase refcnt by one */ put_device(dev); } else { printk(KERN_ERR PREFIX - "Oops, 'firmware_data' corrupt for %s\n", dev->bus_id); + "Oops, 'acpi_handle' corrupt for %s\n", dev->bus_id); } return 0; } @@ -328,7 +329,8 @@ static int acpi_platform_notify(struct device *dev) if (!ret) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_get_name(dev->firmware_data, ACPI_FULL_PATHNAME, &buffer); + acpi_get_name(dev->archdata.acpi_handle, + ACPI_FULL_PATHNAME, &buffer); DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer); kfree(buffer.pointer); } else -- cgit v1.2.3 From 289535334646796fe41f199718e4a731f7411a92 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Wed, 8 Nov 2006 19:46:14 -0800 Subject: Driver core: Call platform_notify_remove later Move the call to platform_notify_remove() to after the call to bus_remove_device(), where it belongs. It's bogus to notify the platform of removal while drivers are still attached to the device and possibly still operating since the platform might use this callback to tear down some resources used by the driver (ACPI bits, iommu table, ...) Signed-off-by: Benjamin Herrenschmidt Cc: "Brown, Len" Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index f544adc5a5e..5d11bbdfbd2 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -682,6 +682,7 @@ void device_del(struct device * dev) device_remove_file(dev, &dev->uevent_attr); device_remove_groups(dev); device_remove_attrs(dev); + bus_remove_device(dev); /* Notify the platform of the removal, in case they * need to do anything... @@ -691,7 +692,6 @@ void device_del(struct device * dev) if (dev->bus) blocking_notifier_call_chain(&dev->bus->bus_notifier, BUS_NOTIFY_DEL_DEVICE, dev); - bus_remove_device(dev); device_pm_remove(dev); kobject_uevent(&dev->kobj, KOBJ_REMOVE); kobject_del(&dev->kobj); -- cgit v1.2.3 From 06a4bcae1ff2cd5f6f42bd74add85ec785a26343 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 8 Nov 2006 19:46:09 -0800 Subject: cpu topology: consider sysfs_create_group return value Take return value of sysfs_create_group() into account. That function got called in case of CPU_ONLINE notification. Since callbacks are not allowed to fail on CPU_ONLINE notification do the sysfs group creation on CPU_UP_PREPARE notification. Also remember if creation succeeded in a bitmask. So it's possible to know whether it's legal to call sysfs_remove_group or not. In addition some other minor stuff: - since CPU_UP_PREPARE might fail add CPU_UP_CANCELED handling as well. - use hotcpu_notifier instead of register_hotcpu_notifier. - #ifdef code that isn't needed in the !CONFIG_HOTPLUG_CPU case. Signed-off-by: Heiko Carstens Acked-by: Cornelia Huck Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/base/topology.c | 55 ++++++++++++++++++++++++++++--------------------- 1 file changed, 32 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 28dccb730af..3d12b85b096 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -94,54 +94,63 @@ static struct attribute_group topology_attr_group = { .name = "topology" }; +static cpumask_t topology_dev_map = CPU_MASK_NONE; + /* Add/Remove cpu_topology interface for CPU device */ -static int __cpuinit topology_add_dev(struct sys_device * sys_dev) +static int __cpuinit topology_add_dev(unsigned int cpu) { - return sysfs_create_group(&sys_dev->kobj, &topology_attr_group); + int rc; + struct sys_device *sys_dev = get_cpu_sysdev(cpu); + + rc = sysfs_create_group(&sys_dev->kobj, &topology_attr_group); + if (!rc) + cpu_set(cpu, topology_dev_map); + return rc; } -static int __cpuinit topology_remove_dev(struct sys_device * sys_dev) +#ifdef CONFIG_HOTPLUG_CPU +static void __cpuinit topology_remove_dev(unsigned int cpu) { + struct sys_device *sys_dev = get_cpu_sysdev(cpu); + + if (!cpu_isset(cpu, topology_dev_map)) + return; + cpu_clear(cpu, topology_dev_map); sysfs_remove_group(&sys_dev->kobj, &topology_attr_group); - return 0; } static int __cpuinit topology_cpu_callback(struct notifier_block *nfb, - unsigned long action, void *hcpu) + unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long)hcpu; - struct sys_device *sys_dev; + int rc = 0; - sys_dev = get_cpu_sysdev(cpu); switch (action) { - case CPU_ONLINE: - topology_add_dev(sys_dev); + case CPU_UP_PREPARE: + rc = topology_add_dev(cpu); break; + case CPU_UP_CANCELED: case CPU_DEAD: - topology_remove_dev(sys_dev); + topology_remove_dev(cpu); break; } - return NOTIFY_OK; + return rc ? NOTIFY_BAD : NOTIFY_OK; } - -static struct notifier_block __cpuinitdata topology_cpu_notifier = -{ - .notifier_call = topology_cpu_callback, -}; +#endif static int __cpuinit topology_sysfs_init(void) { - int i; + int cpu; + int rc; - for_each_online_cpu(i) { - topology_cpu_callback(&topology_cpu_notifier, CPU_ONLINE, - (void *)(long)i); + for_each_online_cpu(cpu) { + rc = topology_add_dev(cpu); + if (rc) + return rc; } - - register_hotcpu_notifier(&topology_cpu_notifier); + hotcpu_notifier(topology_cpu_callback, 0); return 0; } device_initcall(topology_sysfs_init); - -- cgit v1.2.3 From 5ab699810d46011ad2195c5916f3cbc684bfe3ee Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Thu, 16 Nov 2006 15:42:07 +0100 Subject: driver core: Introduce device_find_child(). Introduce device_find_child() to match device_for_each_child(). Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index 5d11bbdfbd2..a29e6854546 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -750,12 +750,45 @@ int device_for_each_child(struct device * parent, void * data, return error; } +/** + * device_find_child - device iterator for locating a particular device. + * @parent: parent struct device + * @data: Data to pass to match function + * @match: Callback function to check device + * + * This is similar to the device_for_each_child() function above, but it + * returns a reference to a device that is 'found' for later use, as + * determined by the @match callback. + * + * The callback should return 0 if the device doesn't match and non-zero + * if it does. If the callback returns non-zero and a reference to the + * current device can be obtained, this function will return to the caller + * and not iterate over any more devices. + */ +struct device * device_find_child(struct device *parent, void *data, + int (*match)(struct device *, void *)) +{ + struct klist_iter i; + struct device *child; + + if (!parent) + return NULL; + + klist_iter_init(&parent->klist_children, &i); + while ((child = next_device(&i))) + if (match(child, data) && get_device(child)) + break; + klist_iter_exit(&i); + return child; +} + int __init devices_init(void) { return subsystem_register(&devices_subsys); } EXPORT_SYMBOL_GPL(device_for_each_child); +EXPORT_SYMBOL_GPL(device_find_child); EXPORT_SYMBOL_GPL(device_initialize); EXPORT_SYMBOL_GPL(device_add); -- cgit v1.2.3 From af9e0765362151b27372c14d9d6dc417184182d3 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 17 Nov 2006 02:19:44 +0100 Subject: Driver core: make drivers/base/core.c:setup_parent() static This patch makes the needlessly global setup_parent() static. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index a29e6854546..75b45a10935 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -389,7 +389,7 @@ void device_initialize(struct device *dev) } #ifdef CONFIG_SYSFS_DEPRECATED -int setup_parent(struct device *dev, struct device *parent) +static int setup_parent(struct device *dev, struct device *parent) { /* Set the parent to the class, not the parent device */ /* this keeps sysfs from having a symlink to make old udevs happy */ @@ -418,7 +418,7 @@ static int virtual_device_parent(struct device *dev) return 0; } -int setup_parent(struct device *dev, struct device *parent) +static int setup_parent(struct device *dev, struct device *parent) { int error; -- cgit v1.2.3 From 8a82472f86bf693b8e91ed56c9ca4f62fbbdcfa3 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 20 Nov 2006 17:07:51 +0100 Subject: driver core: Introduce device_move(): move a device to a new parent. Provide a function device_move() to move a device to a new parent device. Add auxilliary functions kobject_move() and sysfs_move_dir(). kobject_move() generates a new uevent of type KOBJ_MOVE, containing the previous path (DEVPATH_OLD) in addition to the usual values. For this, a new interface kobject_uevent_env() is created that allows to add further environmental data to the uevent at the kobject layer. Signed-off-by: Cornelia Huck Acked-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index 75b45a10935..e4eaf46c4d9 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -955,3 +955,95 @@ int device_rename(struct device *dev, char *new_name) return error; } + + +static int device_move_class_links(struct device *dev, + struct device *old_parent, + struct device *new_parent) +{ +#ifdef CONFIG_SYSFS_DEPRECATED + int error; + char *class_name; + + class_name = make_class_name(dev->class->name, &dev->kobj); + if (!class_name) { + error = PTR_ERR(class_name); + class_name = NULL; + goto out; + } + if (old_parent) { + sysfs_remove_link(&dev->kobj, "device"); + sysfs_remove_link(&old_parent->kobj, class_name); + } + error = sysfs_create_link(&dev->kobj, &new_parent->kobj, "device"); + if (error) + goto out; + error = sysfs_create_link(&new_parent->kobj, &dev->kobj, class_name); + if (error) + sysfs_remove_link(&dev->kobj, "device"); +out: + kfree(class_name); + return error; +#else + return 0; +#endif +} + +/** + * device_move - moves a device to a new parent + * @dev: the pointer to the struct device to be moved + * @new_parent: the new parent of the device + */ +int device_move(struct device *dev, struct device *new_parent) +{ + int error; + struct device *old_parent; + + dev = get_device(dev); + if (!dev) + return -EINVAL; + + if (!device_is_registered(dev)) { + error = -EINVAL; + goto out; + } + new_parent = get_device(new_parent); + if (!new_parent) { + error = -EINVAL; + goto out; + } + pr_debug("DEVICE: moving '%s' to '%s'\n", dev->bus_id, + new_parent->bus_id); + error = kobject_move(&dev->kobj, &new_parent->kobj); + if (error) { + put_device(new_parent); + goto out; + } + old_parent = dev->parent; + dev->parent = new_parent; + if (old_parent) + klist_del(&dev->knode_parent); + klist_add_tail(&dev->knode_parent, &new_parent->klist_children); + if (!dev->class) + goto out_put; + error = device_move_class_links(dev, old_parent, new_parent); + if (error) { + /* We ignore errors on cleanup since we're hosed anyway... */ + device_move_class_links(dev, new_parent, old_parent); + if (!kobject_move(&dev->kobj, &old_parent->kobj)) { + klist_del(&dev->knode_parent); + if (old_parent) + klist_add_tail(&dev->knode_parent, + &old_parent->klist_children); + } + put_device(new_parent); + goto out; + } +out_put: + put_device(old_parent); +out: + put_device(dev); + return error; +} + +EXPORT_SYMBOL_GPL(device_move); -- cgit v1.2.3 From acf02d23b96efa92e7cff05987122ceeb37dd075 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 22 Nov 2006 17:49:39 +0100 Subject: driver core: Use klist_remove() in device_move() As pointed out by Alan Stern, device_move needs to use klist_remove which waits until removal is complete. Signed-off-by: Cornelia Huck Cc: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index e4eaf46c4d9..e4b530ef757 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1022,7 +1022,7 @@ int device_move(struct device *dev, struct device *new_parent) old_parent = dev->parent; dev->parent = new_parent; if (old_parent) - klist_del(&dev->knode_parent); + klist_remove(&dev->knode_parent); klist_add_tail(&dev->knode_parent, &new_parent->klist_children); if (!dev->class) goto out_put; @@ -1031,7 +1031,7 @@ int device_move(struct device *dev, struct device *new_parent) /* We ignore errors on cleanup since we're hosed anyway... */ device_move_class_links(dev, new_parent, old_parent); if (!kobject_move(&dev->kobj, &old_parent->kobj)) { - klist_del(&dev->knode_parent); + klist_remove(&dev->knode_parent); if (old_parent) klist_add_tail(&dev->knode_parent, &old_parent->klist_children); -- cgit v1.2.3 From c67334fbdfbba533af767610cf3fde8a49710e62 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Thu, 16 Nov 2006 23:28:47 -0800 Subject: Driver core: platform_driver_probe(), can save codespace This defines a new platform_driver_probe() method allowing the driver's probe() method, and its support code+data, to safely live in __init sections for typical system configurations. Many system-on-chip processors could benefit from this API, to the tune of recovering hundreds to thousands of bytes per driver. That's memory which is currently wasted holding code which can never be called after system startup, yet can not be removed. It can't be removed because of the linkage requirement that pointers to init section code (like, ideally, probe support) must not live in other sections (like driver method tables) after those pointers would be invalid. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/base/platform.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) (limited to 'drivers') diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 940ce41f188..d1df4a08792 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -388,6 +388,11 @@ static int platform_drv_probe(struct device *_dev) return drv->probe(dev); } +static int platform_drv_probe_fail(struct device *_dev) +{ + return -ENXIO; +} + static int platform_drv_remove(struct device *_dev) { struct platform_driver *drv = to_platform_driver(_dev->driver); @@ -451,6 +456,49 @@ void platform_driver_unregister(struct platform_driver *drv) } EXPORT_SYMBOL_GPL(platform_driver_unregister); +/** + * platform_driver_probe - register driver for non-hotpluggable device + * @drv: platform driver structure + * @probe: the driver probe routine, probably from an __init section + * + * Use this instead of platform_driver_register() when you know the device + * is not hotpluggable and has already been registered, and you want to + * remove its run-once probe() infrastructure from memory after the driver + * has bound to the device. + * + * One typical use for this would be with drivers for controllers integrated + * into system-on-chip processors, where the controller devices have been + * configured as part of board setup. + * + * Returns zero if the driver registered and bound to a device, else returns + * a negative error code and with the driver not registered. + */ +int platform_driver_probe(struct platform_driver *drv, + int (*probe)(struct platform_device *)) +{ + int retval, code; + + /* temporary section violation during probe() */ + drv->probe = probe; + retval = code = platform_driver_register(drv); + + /* Fixup that section violation, being paranoid about code scanning + * the list of drivers in order to probe new devices. Check to see + * if the probe was successful, and make sure any forced probes of + * new devices fail. + */ + spin_lock(&platform_bus_type.klist_drivers.k_lock); + drv->probe = NULL; + if (code == 0 && list_empty(&drv->driver.klist_devices.k_list)) + retval = -ENODEV; + drv->driver.probe = platform_drv_probe_fail; + spin_unlock(&platform_bus_type.klist_drivers.k_lock); + + if (code != retval) + platform_driver_unregister(drv); + return retval; +} +EXPORT_SYMBOL_GPL(platform_driver_probe); /* modalias support enables more hands-off userspace setup: * (a) environment variable lets new-style hotplug events work once system is -- cgit v1.2.3 From 7e45b0e5f6f68d04311ba7813f5f5457c9119640 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 29 Sep 2006 18:30:05 +0100 Subject: [PATCH] libata: Winbond support Winbond 83759A support in non-multichip mode (afaik nobody ever used multichip mode anyway). The 83759 is not supported by this driver as it is already handled elsewhere and doens't use the same interfaces. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/Kconfig | 7 ++ drivers/ata/Makefile | 1 + drivers/ata/pata_winbond.c | 306 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 314 insertions(+) create mode 100644 drivers/ata/pata_winbond.c (limited to 'drivers') diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 03f6338acc8..b38e2c325ea 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -483,6 +483,13 @@ config PATA_WINBOND If unsure, say N. +config PATA_WINBOND_VLB + tristate "Winbond W83759A VLB PATA support (Experimental)" + depends on ISA && EXPERIMENTAL + help + Support for the Winbond W83759A controller on Vesa Local Bus + systems. + endif endmenu diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 72243a677f9..ff6c6db22ba 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o obj-$(CONFIG_PATA_SIL680) += pata_sil680.o obj-$(CONFIG_PATA_VIA) += pata_via.o obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o +obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o obj-$(CONFIG_PATA_SIS) += pata_sis.o obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o # Should be last but one libata driver diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c new file mode 100644 index 00000000000..48941d0757e --- /dev/null +++ b/drivers/ata/pata_winbond.c @@ -0,0 +1,306 @@ +/* + * pata_winbond.c - Winbond VLB ATA controllers + * (C) 2006 Red Hat + * + * Support for the Winbond 83759A when operating in advanced mode. + * Multichip mode is not currently supported. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "pata_winbond" +#define DRV_VERSION "0.0.1" + +#define NR_HOST 4 /* Two winbond controllers, two channels each */ + +struct winbond_data { + unsigned long config; + struct platform_device *platform_dev; +}; + +static struct ata_host *winbond_host[NR_HOST]; +static struct winbond_data winbond_data[NR_HOST]; +static int nr_winbond_host; + +#ifdef MODULE +static int probe_winbond = 1; +#else +static int probe_winbond; +#endif + +static spinlock_t winbond_lock = SPIN_LOCK_UNLOCKED; + +static void winbond_writecfg(unsigned long port, u8 reg, u8 val) +{ + unsigned long flags; + spin_lock_irqsave(&winbond_lock, flags); + outb(reg, port + 0x01); + outb(val, port + 0x02); + spin_unlock_irqrestore(&winbond_lock, flags); +} + +static u8 winbond_readcfg(unsigned long port, u8 reg) +{ + u8 val; + + unsigned long flags; + spin_lock_irqsave(&winbond_lock, flags); + outb(reg, port + 0x01); + val = inb(port + 0x02); + spin_unlock_irqrestore(&winbond_lock, flags); + + return val; +} + +static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + struct ata_timing t; + struct winbond_data *winbond = ap->host->private_data; + int active, recovery; + u8 reg; + int timing = 0x88 + (ap->port_no * 4) + (adev->devno * 2); + + reg = winbond_readcfg(winbond->config, 0x81); + + /* Get the timing data in cycles */ + if (reg & 0x40) /* Fast VLB bus, assume 50MHz */ + ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); + else + ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); + + active = (FIT(t.active, 3, 17) - 1) & 0x0F; + recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F; + timing = (active << 4) | recovery; + winbond_writecfg(winbond->config, timing, reg); + + /* Load the setup timing */ + + reg = 0x35; + if (adev->class != ATA_DEV_ATA) + reg |= 0x08; /* FIFO off */ + if (!ata_pio_need_iordy(adev)) + reg |= 0x02; /* IORDY off */ + reg |= (FIT(t.setup, 0, 3) << 6); + winbond_writecfg(winbond->config, timing + 1, reg); +} + + +static void winbond_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) +{ + struct ata_port *ap = adev->ap; + int slop = buflen & 3; + + if (ata_id_has_dword_io(adev->id)) { + if (write_data) + outsl(ap->ioaddr.data_addr, buf, buflen >> 2); + else + insl(ap->ioaddr.data_addr, buf, buflen >> 2); + + if (unlikely(slop)) { + u32 pad; + if (write_data) { + memcpy(&pad, buf + buflen - slop, slop); + outl(le32_to_cpu(pad), ap->ioaddr.data_addr); + } else { + pad = cpu_to_le16(inl(ap->ioaddr.data_addr)); + memcpy(buf + buflen - slop, &pad, slop); + } + } + } else + ata_pio_data_xfer(adev, buf, buflen, write_data); +} + +static struct scsi_host_template winbond_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + .bios_param = ata_std_bios_param, +}; + +static struct ata_port_operations winbond_port_ops = { + .port_disable = ata_port_disable, + .set_piomode = winbond_set_piomode, + + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .data_xfer = winbond_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + + .port_start = ata_port_start, + .port_stop = ata_port_stop, + .host_stop = ata_host_stop +}; + +/** + * winbond_init_one - attach a winbond interface + * @type: Type to display + * @io: I/O port start + * @irq: interrupt line + * @fast: True if on a > 33Mhz VLB + * + * Register a VLB bus IDE interface. Such interfaces are PIO and we + * assume do not support IRQ sharing. + */ + +static __init int winbond_init_one(unsigned long port) +{ + struct ata_probe_ent ae; + struct platform_device *pdev; + int ret; + u8 reg; + int i; + + reg = winbond_readcfg(port, 0x81); + reg |= 0x80; /* jumpered mode off */ + winbond_writecfg(port, 0x81, reg); + reg = winbond_readcfg(port, 0x83); + reg |= 0xF0; /* local control */ + winbond_writecfg(port, 0x83, reg); + reg = winbond_readcfg(port, 0x85); + reg |= 0xF0; /* programmable timing */ + winbond_writecfg(port, 0x85, reg); + + reg = winbond_readcfg(port, 0x81); + + if (!(reg & 0x03)) /* Disabled */ + return 0; + + for (i = 0; i < 2 ; i ++) { + + if (reg & (1 << i)) { + /* + * Fill in a probe structure first of all + */ + + pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0); + if (pdev == NULL) + return -ENOMEM; + + memset(&ae, 0, sizeof(struct ata_probe_ent)); + INIT_LIST_HEAD(&ae.node); + ae.dev = &pdev->dev; + + ae.port_ops = &winbond_port_ops; + ae.pio_mask = 0x1F; + + ae.sht = &winbond_sht; + + ae.n_ports = 1; + ae.irq = 14 + i; + ae.irq_flags = 0; + ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; + ae.port[0].cmd_addr = 0x1F0 - (0x80 * i); + ae.port[0].altstatus_addr = ae.port[0].cmd_addr + 0x0206; + ae.port[0].ctl_addr = ae.port[0].altstatus_addr; + ata_std_ports(&ae.port[0]); + /* + * Hook in a private data structure per channel + */ + ae.private_data = &winbond_data[nr_winbond_host]; + winbond_data[nr_winbond_host].config = port; + winbond_data[nr_winbond_host].platform_dev = pdev; + + ret = ata_device_add(&ae); + if (ret == 0) { + platform_device_unregister(pdev); + return -ENODEV; + } + winbond_host[nr_winbond_host++] = dev_get_drvdata(&pdev->dev); + } + } + + return 0; +} + +/** + * winbond_init - attach winbond interfaces + * + * Attach winbond IDE interfaces by scanning the ports it may occupy. + */ + +static __init int winbond_init(void) +{ + static const unsigned long config[2] = { 0x130, 0x1B0 }; + + int ct = 0; + int i; + + if (probe_winbond == 0) + return -ENODEV; + + /* + * Check both base addresses + */ + + for (i = 0; i < 2; i++) { + if (probe_winbond & (1< Date: Tue, 10 Oct 2006 14:28:12 -0700 Subject: [PATCH] pci_module_init convertion in ata_generic.c pci_module_init convertion in ata_generic.c. Signed-off-by: Henrik Kretzschmar Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/ata_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 4a80ff9312b..a44c20c0c75 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -231,7 +231,7 @@ static struct pci_driver ata_generic_pci_driver = { static int __init ata_generic_init(void) { - return pci_module_init(&ata_generic_pci_driver); + return pci_register_driver(&ata_generic_pci_driver); } -- cgit v1.2.3 From 2f27ce03628acdb81ead4abe914c713e04a3229e Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 10 Oct 2006 14:28:12 -0700 Subject: [PATCH] pci_module_init-convertion-in-ata_genericc fix Acked-by: Alan Cox but please apply as follows to keep revision id straight Cc: Henrik Kretzschmar Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/ata_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index a44c20c0c75..1b9ba4dfac6 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -26,7 +26,7 @@ #include #define DRV_NAME "ata_generic" -#define DRV_VERSION "0.2.6" +#define DRV_VERSION "0.2.7" /* * A generic parallel ATA driver using libata -- cgit v1.2.3 From fc085150b491bfc186efbca90a14cf907a3060a9 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 10 Oct 2006 14:28:11 -0700 Subject: [PATCH] libata: add 40pin "short" cable support, honour drive side speed detection [deweerdt@free.fr: build fix] Signed-off-by: Alan Cox Signed-off-by: Frederik Deweerdt Cc: Tejun Heo Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 31 ++++++++++++++++++++++++++++++- drivers/ata/libata-core.c | 7 +++++++ drivers/ata/pata_ali.c | 2 +- 3 files changed, 38 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 720174d628f..14b726b9f98 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -93,7 +93,7 @@ #include #define DRV_NAME "ata_piix" -#define DRV_VERSION "2.00ac6" +#define DRV_VERSION "2.00ac7" enum { PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ @@ -571,6 +571,23 @@ module_param(force_pcs, int, 0444); MODULE_PARM_DESC(force_pcs, "force honoring or ignoring PCS to work around " "device mis-detection (0=default, 1=ignore PCS, 2=honor PCS)"); +struct ich_laptop { + u16 device; + u16 subvendor; + u16 subdevice; +}; + +/* + * List of laptops that use short cables rather than 80 wire + */ + +static const struct ich_laptop ich_laptop[] = { + /* devid, subvendor, subdev */ + { 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */ + /* end marker */ + { 0, } +}; + /** * piix_pata_cbl_detect - Probe host controller cable detect info * @ap: Port for which cable detect info is desired @@ -585,12 +602,24 @@ MODULE_PARM_DESC(force_pcs, "force honoring or ignoring PCS to work around " static void ich_pata_cbl_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); + const struct ich_laptop *lap = &ich_laptop[0]; u8 tmp, mask; /* no 80c support in host controller? */ if ((ap->udma_mask & ~ATA_UDMA_MASK_40C) == 0) goto cbl40; + /* Check for specials - Acer Aspire 5602WLMi */ + while (lap->device) { + if (lap->device == pdev->device && + lap->subvendor == pdev->subsystem_vendor && + lap->subdevice == pdev->subsystem_device) { + ap->cbl = ATA_CBL_PATA40_SHORT; + return; + } + lap++; + } + /* check BIOS cable detect results */ mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC; pci_read_config_byte(pdev, PIIX_IOCFG, &tmp); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 915a55a6cc1..b896119cccd 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3119,6 +3119,13 @@ static void ata_dev_xfermask(struct ata_device *dev) */ if (ap->cbl == ATA_CBL_PATA40) xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA); + /* Apply drive side cable rule. Unknown or 80 pin cables reported + * host side are checked drive side as well. Cases where we know a + * 40wire cable is used safely for 80 are not checked here. + */ + if (ata_drive_40wire(dev->id) && (ap->cbl == ATA_CBL_PATA_UNK || ap->cbl == ATA_CBL_PATA80)) + xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA); + xfer_mask &= ata_pack_xfermask(dev->pio_mask, dev->mwdma_mask, dev->udma_mask); diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 64eed99f681..e6d2b840e87 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -78,7 +78,7 @@ static int ali_c2_cable_detect(struct ata_port *ap) implement the detect logic */ if (ali_cable_override(pdev)) - return ATA_CBL_PATA80; + return ATA_CBL_PATA40_SHORT; /* Host view cable detect 0x4A bit 0 primary bit 1 secondary Bit set for 40 pin */ -- cgit v1.2.3 From 72dc6794fcd7642200a87bf18e3a43e676314b63 Mon Sep 17 00:00:00 2001 From: Henrik Kretzschmar Date: Tue, 10 Oct 2006 14:29:24 -0700 Subject: [PATCH] pci_module_init() conversion for pata_pdc2027x pci_module_init() conversion for pata_pdc2027x Signed-off-by: Henrik Kretzschmar Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/pata_pdc2027x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index beb6d10a234..ef854299989 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -854,7 +854,7 @@ static void __devexit pdc2027x_remove_one(struct pci_dev *pdev) */ static int __init pdc2027x_init(void) { - return pci_module_init(&pdc2027x_pci_driver); + return pci_register_driver(&pdc2027x_pci_driver); } /** -- cgit v1.2.3 From 75742cb41e4b5c7913f385b9688aad69c9fa7ada Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 16 Oct 2006 16:40:06 +0100 Subject: [PATCH] pata_marvell: Marvell 6101/6145 PATA driver This is a legacy mode PATA driver for the 6101/45 and will also drive the SATA ports 1 & 2 in legacy mode as well if desired. Tested and confirmed working by users. The chip supports AHCI type behaviour for SATA and has a more advanced PATA interface as well so this driver will get it working but not get best performance for now. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/Kconfig | 9 ++ drivers/ata/Makefile | 1 + drivers/ata/pata_marvell.c | 221 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 231 insertions(+) create mode 100644 drivers/ata/pata_marvell.c (limited to 'drivers') diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index b38e2c325ea..9b07e70bee7 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -328,6 +328,15 @@ config PATA_TRIFLEX If unsure, say N. +config PATA_MARVELL + tristate "Marvell PATA support via legacy mode" + depends on PCI + help + This option enables limited support for the Marvell 88SE6145 ATA + controller. + + If unsure, say N. + config PATA_MPIIX tristate "Intel PATA MPIIX support" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index ff6c6db22ba..ceba7d824a6 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_PATA_NETCELL) += pata_netcell.o obj-$(CONFIG_PATA_NS87410) += pata_ns87410.o obj-$(CONFIG_PATA_OPTI) += pata_opti.o obj-$(CONFIG_PATA_OPTIDMA) += pata_optidma.o +obj-$(CONFIG_PATA_MARVELL) += pata_marvell.o obj-$(CONFIG_PATA_MPIIX) += pata_mpiix.o obj-$(CONFIG_PATA_OLDPIIX) += pata_oldpiix.o obj-$(CONFIG_PATA_PCMCIA) += pata_pcmcia.o diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c new file mode 100644 index 00000000000..2b8e00cb7b9 --- /dev/null +++ b/drivers/ata/pata_marvell.c @@ -0,0 +1,221 @@ +/* + * Marvell PATA driver. + * + * For the moment we drive the PATA port in legacy mode. That + * isn't making full use of the device functionality but it is + * easy to get working. + * + * (c) 2006 Red Hat + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "pata_marvell" +#define DRV_VERSION "0.0.4t" + +/** + * marvell_pre_reset - check for 40/80 pin + * @ap: Port + * + * Perform the PATA port setup we need. + */ + +static int marvell_pre_reset(struct ata_port *ap) +{ + struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u32 devices; + unsigned long bar5; + void __iomem *barp; + int i; + + /* Check if our port is enabled */ + + bar5 = pci_resource_start(pdev, 5); + barp = ioremap(bar5, 0x10); + if (barp == NULL) + return -ENOMEM; + printk("BAR5:"); + for(i = 0; i <= 0x0F; i++) + printk("%02X:%02X ", i, readb(barp + i)); + printk("\n"); + + devices = readl(barp + 0x0C); + iounmap(barp); + + if (pdev->device == 0x6145 && ap->port_no == 0 && !(devices & 0x10)) /* PATA enable ? */ + return -ENOENT; + + /* Cable type */ + switch(ap->port_no) + { + case 0: + /* Might be backward, docs unclear */ + if(inb(ap->ioaddr.bmdma_addr + 1) & 1) + ap->cbl = ATA_CBL_PATA80; + else + ap->cbl = ATA_CBL_PATA40; + + case 1: /* Legacy SATA port */ + ap->cbl = ATA_CBL_SATA; + break; + } + return ata_std_prereset(ap); +} + +/** + * marvell_error_handler - Setup and error handler + * @ap: Port to handle + * + * LOCKING: + * None (inherited from caller). + */ + +static void marvell_error_handler(struct ata_port *ap) +{ + return ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, NULL, ata_std_postreset); +} + +/* No PIO or DMA methods needed for this device */ + +static struct scsi_host_template marvell_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + /* Use standard CHS mapping rules */ + .bios_param = ata_std_bios_param, +}; + +static const struct ata_port_operations marvell_ops = { + .port_disable = ata_port_disable, + + /* Task file is PCI ATA format, use helpers */ + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = marvell_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + + /* BMDMA handling is PCI ATA format, use helpers */ + .bmdma_setup = ata_bmdma_setup, + .bmdma_start = ata_bmdma_start, + .bmdma_stop = ata_bmdma_stop, + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .data_xfer = ata_pio_data_xfer, + + /* Timeout handling */ + .eng_timeout = ata_eng_timeout, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + + /* Generic PATA PCI ATA helpers */ + .port_start = ata_port_start, + .port_stop = ata_port_stop, + .host_stop = ata_host_stop, +}; + + +/** + * marvell_init_one - Register Marvell ATA PCI device with kernel services + * @pdev: PCI device to register + * @ent: Entry in marvell_pci_tbl matching with @pdev + * + * Called from kernel PCI layer. + * + * LOCKING: + * Inherited from PCI layer (may sleep). + * + * RETURNS: + * Zero on success, or -ERRNO value. + */ + +static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *id) +{ + static struct ata_port_info info = { + .sht = &marvell_sht, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = 0x3f, + + .port_ops = &marvell_ops, + }; + static struct ata_port_info info_sata = { + .sht = &marvell_sht, + /* Slave possible as its magically mapped not real */ + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = 0x7f, + + .port_ops = &marvell_ops, + }; + struct ata_port_info *port_info[2] = { &info, &info_sata }; + int n_port = 2; + + if (pdev->device == 0x6101) + n_port = 1; + + return ata_pci_init_one(pdev, port_info, n_port); +} + +static const struct pci_device_id marvell_pci_tbl[] = { + { PCI_DEVICE(0x11AB, 0x6101), }, + { PCI_DEVICE(0x11AB, 0x6145), }, + { } /* terminate list */ +}; + +static struct pci_driver marvell_pci_driver = { + .name = DRV_NAME, + .id_table = marvell_pci_tbl, + .probe = marvell_init_one, + .remove = ata_pci_remove_one, +}; + +static int __init marvell_init(void) +{ + return pci_register_driver(&marvell_pci_driver); +} + +static void __exit marvell_exit(void) +{ + pci_unregister_driver(&marvell_pci_driver); +} + +module_init(marvell_init); +module_exit(marvell_exit); + +MODULE_AUTHOR("Alan Cox"); +MODULE_DESCRIPTION("SCSI low-level driver for Marvell ATA in legacy mode"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, marvell_pci_tbl); +MODULE_VERSION(DRV_VERSION); + -- cgit v1.2.3 From 6e9d8629b5503175a4425722a1ef13eed232c650 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sat, 21 Oct 2006 15:54:13 -0400 Subject: [libata] pata_marvell: minor and trivial cleanups - use pci_iomap() [Alan, version 0.0.5t] - fix Alan's version 0.0.5t change - line length, trailing whitespace, case indentation cleanups - don't use deprecated ->eng_timeout() in a driver that uses new EH Signed-off-by: Jeff Garzik --- drivers/ata/pata_marvell.c | 43 +++++++++++++++++++++---------------------- 1 file changed, 21 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 2b8e00cb7b9..1ea64075c78 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -20,7 +20,7 @@ #include #define DRV_NAME "pata_marvell" -#define DRV_VERSION "0.0.4t" +#define DRV_VERSION "0.0.5u" /** * marvell_pre_reset - check for 40/80 pin @@ -33,14 +33,12 @@ static int marvell_pre_reset(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 devices; - unsigned long bar5; void __iomem *barp; int i; /* Check if our port is enabled */ - bar5 = pci_resource_start(pdev, 5); - barp = ioremap(bar5, 0x10); + barp = pci_iomap(pdev, 5, 0x10); if (barp == NULL) return -ENOMEM; printk("BAR5:"); @@ -49,24 +47,25 @@ static int marvell_pre_reset(struct ata_port *ap) printk("\n"); devices = readl(barp + 0x0C); - iounmap(barp); + pci_iounmap(pdev, barp); - if (pdev->device == 0x6145 && ap->port_no == 0 && !(devices & 0x10)) /* PATA enable ? */ + if ((pdev->device == 0x6145) && (ap->port_no == 0) && + (!(devices & 0x10))) /* PATA enable ? */ return -ENOENT; /* Cable type */ switch(ap->port_no) { - case 0: - /* Might be backward, docs unclear */ - if(inb(ap->ioaddr.bmdma_addr + 1) & 1) - ap->cbl = ATA_CBL_PATA80; - else - ap->cbl = ATA_CBL_PATA40; - - case 1: /* Legacy SATA port */ - ap->cbl = ATA_CBL_SATA; - break; + case 0: + /* Might be backward, docs unclear */ + if (inb(ap->ioaddr.bmdma_addr + 1) & 1) + ap->cbl = ATA_CBL_PATA80; + else + ap->cbl = ATA_CBL_PATA40; + + case 1: /* Legacy SATA port */ + ap->cbl = ATA_CBL_SATA; + break; } return ata_std_prereset(ap); } @@ -81,7 +80,8 @@ static int marvell_pre_reset(struct ata_port *ap) static void marvell_error_handler(struct ata_port *ap) { - return ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, NULL, ata_std_postreset); + return ata_bmdma_drive_eh(ap, marvell_pre_reset, ata_std_softreset, + NULL, ata_std_postreset); } /* No PIO or DMA methods needed for this device */ @@ -130,7 +130,6 @@ static const struct ata_port_operations marvell_ops = { .data_xfer = ata_pio_data_xfer, /* Timeout handling */ - .eng_timeout = ata_eng_timeout, .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, @@ -159,7 +158,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i { static struct ata_port_info info = { .sht = &marvell_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, .mwdma_mask = 0x07, @@ -170,7 +169,7 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i static struct ata_port_info info_sata = { .sht = &marvell_sht, /* Slave possible as its magically mapped not real */ - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, .mwdma_mask = 0x07, @@ -180,10 +179,10 @@ static int marvell_init_one (struct pci_dev *pdev, const struct pci_device_id *i }; struct ata_port_info *port_info[2] = { &info, &info_sata }; int n_port = 2; - + if (pdev->device == 0x6101) n_port = 1; - + return ata_pci_init_one(pdev, port_info, n_port); } -- cgit v1.2.3 From fbbb262d9ea9bdbd79d7058271560e9990bc62d3 Mon Sep 17 00:00:00 2001 From: Robert Hancock Date: Fri, 27 Oct 2006 19:08:41 -0700 Subject: [PATCH] sata_nv ADMA/NCQ support for nForce4 This patch adds support for ADMA mode on NVIDIA nForce4 (CK804/MCP04) SATA controllers to the sata_nv driver. Benefits of ADMA mode include: - NCQ support - Reduced CPU overhead (controller DMAs command information from memory instead of them being pushed in by the CPU) - Full 64-bit DMA support ADMA mode is enabled by default in this version. To disable it, set the module parameter adma_enabled=0. Signed-off-by: Robert Hancock Cc: Jeff Garzik Cc: Tejun Heo Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/libata-sff.c | 2 +- drivers/ata/sata_nv.c | 934 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 924 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 7645f2b30cc..e178d6ae8b8 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -732,7 +732,7 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, qc->tf.protocol == ATA_PROT_ATAPI_DMA)) { u8 host_stat; - host_stat = ata_bmdma_status(ap); + host_stat = ap->ops->bmdma_status(ap); ata_ehi_push_desc(&ehc->i, "BMDMA stat 0x%x", host_stat); diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index d65ebfd7c7b..e5615be2156 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -29,6 +29,11 @@ * NV-specific details such as register offsets, SATA phy location, * hotplug info, etc. * + * CK804/MCP04 controllers support an alternate programming interface + * similar to the ADMA specification (with some modifications). + * This allows the use of NCQ. Non-DMA-mapped ATA commands are still + * sent through the legacy interface. + * */ #include @@ -40,10 +45,13 @@ #include #include #include +#include #include #define DRV_NAME "sata_nv" -#define DRV_VERSION "2.0" +#define DRV_VERSION "3.1" + +#define NV_ADMA_DMA_BOUNDARY 0xffffffffUL enum { NV_PORTS = 2, @@ -78,8 +86,137 @@ enum { // For PCI config register 20 NV_MCP_SATA_CFG_20 = 0x50, NV_MCP_SATA_CFG_20_SATA_SPACE_EN = 0x04, + NV_MCP_SATA_CFG_20_PORT0_EN = (1 << 17), + NV_MCP_SATA_CFG_20_PORT1_EN = (1 << 16), + NV_MCP_SATA_CFG_20_PORT0_PWB_EN = (1 << 14), + NV_MCP_SATA_CFG_20_PORT1_PWB_EN = (1 << 12), + + NV_ADMA_MAX_CPBS = 32, + NV_ADMA_CPB_SZ = 128, + NV_ADMA_APRD_SZ = 16, + NV_ADMA_SGTBL_LEN = (1024 - NV_ADMA_CPB_SZ) / + NV_ADMA_APRD_SZ, + NV_ADMA_SGTBL_TOTAL_LEN = NV_ADMA_SGTBL_LEN + 5, + NV_ADMA_SGTBL_SZ = NV_ADMA_SGTBL_LEN * NV_ADMA_APRD_SZ, + NV_ADMA_PORT_PRIV_DMA_SZ = NV_ADMA_MAX_CPBS * + (NV_ADMA_CPB_SZ + NV_ADMA_SGTBL_SZ), + + /* BAR5 offset to ADMA general registers */ + NV_ADMA_GEN = 0x400, + NV_ADMA_GEN_CTL = 0x00, + NV_ADMA_NOTIFIER_CLEAR = 0x30, + + /* BAR5 offset to ADMA ports */ + NV_ADMA_PORT = 0x480, + + /* size of ADMA port register space */ + NV_ADMA_PORT_SIZE = 0x100, + + /* ADMA port registers */ + NV_ADMA_CTL = 0x40, + NV_ADMA_CPB_COUNT = 0x42, + NV_ADMA_NEXT_CPB_IDX = 0x43, + NV_ADMA_STAT = 0x44, + NV_ADMA_CPB_BASE_LOW = 0x48, + NV_ADMA_CPB_BASE_HIGH = 0x4C, + NV_ADMA_APPEND = 0x50, + NV_ADMA_NOTIFIER = 0x68, + NV_ADMA_NOTIFIER_ERROR = 0x6C, + + /* NV_ADMA_CTL register bits */ + NV_ADMA_CTL_HOTPLUG_IEN = (1 << 0), + NV_ADMA_CTL_CHANNEL_RESET = (1 << 5), + NV_ADMA_CTL_GO = (1 << 7), + NV_ADMA_CTL_AIEN = (1 << 8), + NV_ADMA_CTL_READ_NON_COHERENT = (1 << 11), + NV_ADMA_CTL_WRITE_NON_COHERENT = (1 << 12), + + /* CPB response flag bits */ + NV_CPB_RESP_DONE = (1 << 0), + NV_CPB_RESP_ATA_ERR = (1 << 3), + NV_CPB_RESP_CMD_ERR = (1 << 4), + NV_CPB_RESP_CPB_ERR = (1 << 7), + + /* CPB control flag bits */ + NV_CPB_CTL_CPB_VALID = (1 << 0), + NV_CPB_CTL_QUEUE = (1 << 1), + NV_CPB_CTL_APRD_VALID = (1 << 2), + NV_CPB_CTL_IEN = (1 << 3), + NV_CPB_CTL_FPDMA = (1 << 4), + + /* APRD flags */ + NV_APRD_WRITE = (1 << 1), + NV_APRD_END = (1 << 2), + NV_APRD_CONT = (1 << 3), + + /* NV_ADMA_STAT flags */ + NV_ADMA_STAT_TIMEOUT = (1 << 0), + NV_ADMA_STAT_HOTUNPLUG = (1 << 1), + NV_ADMA_STAT_HOTPLUG = (1 << 2), + NV_ADMA_STAT_CPBERR = (1 << 4), + NV_ADMA_STAT_SERROR = (1 << 5), + NV_ADMA_STAT_CMD_COMPLETE = (1 << 6), + NV_ADMA_STAT_IDLE = (1 << 8), + NV_ADMA_STAT_LEGACY = (1 << 9), + NV_ADMA_STAT_STOPPED = (1 << 10), + NV_ADMA_STAT_DONE = (1 << 12), + NV_ADMA_STAT_ERR = NV_ADMA_STAT_CPBERR | + NV_ADMA_STAT_TIMEOUT, + + /* port flags */ + NV_ADMA_PORT_REGISTER_MODE = (1 << 0), + +}; + +/* ADMA Physical Region Descriptor - one SG segment */ +struct nv_adma_prd { + __le64 addr; + __le32 len; + u8 flags; + u8 packet_len; + __le16 reserved; +}; + +enum nv_adma_regbits { + CMDEND = (1 << 15), /* end of command list */ + WNB = (1 << 14), /* wait-not-BSY */ + IGN = (1 << 13), /* ignore this entry */ + CS1n = (1 << (4 + 8)), /* std. PATA signals follow... */ + DA2 = (1 << (2 + 8)), + DA1 = (1 << (1 + 8)), + DA0 = (1 << (0 + 8)), +}; + +/* ADMA Command Parameter Block + The first 5 SG segments are stored inside the Command Parameter Block itself. + If there are more than 5 segments the remainder are stored in a separate + memory area indicated by next_aprd. */ +struct nv_adma_cpb { + u8 resp_flags; /* 0 */ + u8 reserved1; /* 1 */ + u8 ctl_flags; /* 2 */ + /* len is length of taskfile in 64 bit words */ + u8 len; /* 3 */ + u8 tag; /* 4 */ + u8 next_cpb_idx; /* 5 */ + __le16 reserved2; /* 6-7 */ + __le16 tf[12]; /* 8-31 */ + struct nv_adma_prd aprd[5]; /* 32-111 */ + __le64 next_aprd; /* 112-119 */ + __le64 reserved3; /* 120-127 */ }; + +struct nv_adma_port_priv { + struct nv_adma_cpb *cpb; + dma_addr_t cpb_dma; + struct nv_adma_prd *aprd; + dma_addr_t aprd_dma; + u8 flags; +}; + +#define NV_ADMA_CHECK_INTR(GCTL, PORT) ((GCTL) & ( 1 << (19 + (12 * (PORT))))) + static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); static void nv_ck804_host_stop(struct ata_host *host); static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance); @@ -93,13 +230,27 @@ static void nv_nf2_thaw(struct ata_port *ap); static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); static void nv_error_handler(struct ata_port *ap); +static int nv_adma_slave_config(struct scsi_device *sdev); +static void nv_adma_qc_prep(struct ata_queued_cmd *qc); +static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc); +static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance); +static void nv_adma_irq_clear(struct ata_port *ap); +static int nv_adma_port_start(struct ata_port *ap); +static void nv_adma_port_stop(struct ata_port *ap); +static void nv_adma_error_handler(struct ata_port *ap); +static void nv_adma_host_stop(struct ata_host *host); +static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc); +static void nv_adma_bmdma_start(struct ata_queued_cmd *qc); +static void nv_adma_bmdma_stop(struct ata_queued_cmd *qc); +static u8 nv_adma_bmdma_status(struct ata_port *ap); enum nv_host_type { GENERIC, NFORCE2, NFORCE3 = NFORCE2, /* NF2 == NF3 as far as sata_nv is concerned */ - CK804 + CK804, + ADMA }; static const struct pci_device_id nv_pci_tbl[] = { @@ -160,6 +311,25 @@ static struct scsi_host_template nv_sht = { .bios_param = ata_std_bios_param, }; +static struct scsi_host_template nv_adma_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = NV_ADMA_MAX_CPBS, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = NV_ADMA_DMA_BOUNDARY, + .slave_configure = nv_adma_slave_config, + .slave_destroy = ata_scsi_slave_destroy, + .bios_param = ata_std_bios_param, +}; + static const struct ata_port_operations nv_generic_ops = { .port_disable = ata_port_disable, .tf_load = ata_tf_load, @@ -241,6 +411,33 @@ static const struct ata_port_operations nv_ck804_ops = { .host_stop = nv_ck804_host_stop, }; +static const struct ata_port_operations nv_adma_ops = { + .port_disable = ata_port_disable, + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .exec_command = ata_exec_command, + .check_status = ata_check_status, + .dev_select = ata_std_dev_select, + .bmdma_setup = nv_adma_bmdma_setup, + .bmdma_start = nv_adma_bmdma_start, + .bmdma_stop = nv_adma_bmdma_stop, + .bmdma_status = nv_adma_bmdma_status, + .qc_prep = nv_adma_qc_prep, + .qc_issue = nv_adma_qc_issue, + .freeze = nv_ck804_freeze, + .thaw = nv_ck804_thaw, + .error_handler = nv_adma_error_handler, + .post_internal_cmd = nv_adma_bmdma_stop, + .data_xfer = ata_mmio_data_xfer, + .irq_handler = nv_adma_interrupt, + .irq_clear = nv_adma_irq_clear, + .scr_read = nv_scr_read, + .scr_write = nv_scr_write, + .port_start = nv_adma_port_start, + .port_stop = nv_adma_port_stop, + .host_stop = nv_adma_host_stop, +}; + static struct ata_port_info nv_port_info[] = { /* generic */ { @@ -269,6 +466,16 @@ static struct ata_port_info nv_port_info[] = { .udma_mask = NV_UDMA_MASK, .port_ops = &nv_ck804_ops, }, + /* ADMA */ + { + .sht = &nv_adma_sht, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_MMIO | ATA_FLAG_NCQ, + .pio_mask = NV_PIO_MASK, + .mwdma_mask = NV_MWDMA_MASK, + .udma_mask = NV_UDMA_MASK, + .port_ops = &nv_adma_ops, + }, }; MODULE_AUTHOR("NVIDIA"); @@ -277,6 +484,614 @@ MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, nv_pci_tbl); MODULE_VERSION(DRV_VERSION); +static int adma_enabled = 1; + +static int nv_adma_slave_config(struct scsi_device *sdev) +{ + struct ata_port *ap = ata_shost_to_port(sdev->host); + u64 bounce_limit; + unsigned long segment_boundary; + unsigned short sg_tablesize; + int rc; + + rc = ata_scsi_slave_config(sdev); + + if (sdev->id >= ATA_MAX_DEVICES || sdev->channel || sdev->lun) + /* Not a proper libata device, ignore */ + return rc; + + if (ap->device[sdev->id].class == ATA_DEV_ATAPI) { + /* + * NVIDIA reports that ADMA mode does not support ATAPI commands. + * Therefore ATAPI commands are sent through the legacy interface. + * However, the legacy interface only supports 32-bit DMA. + * Restrict DMA parameters as required by the legacy interface + * when an ATAPI device is connected. + */ + bounce_limit = ATA_DMA_MASK; + segment_boundary = ATA_DMA_BOUNDARY; + /* Subtract 1 since an extra entry may be needed for padding, see + libata-scsi.c */ + sg_tablesize = LIBATA_MAX_PRD - 1; + } + else { + bounce_limit = *ap->dev->dma_mask; + segment_boundary = NV_ADMA_DMA_BOUNDARY; + sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN; + } + + blk_queue_bounce_limit(sdev->request_queue, bounce_limit); + blk_queue_segment_boundary(sdev->request_queue, segment_boundary); + blk_queue_max_hw_segments(sdev->request_queue, sg_tablesize); + ata_port_printk(ap, KERN_INFO, + "bounce limit 0x%llX, segment boundary 0x%lX, hw segs %hu\n", + (unsigned long long)bounce_limit, segment_boundary, sg_tablesize); + return rc; +} + +static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, u16 *cpb) +{ + unsigned int idx = 0; + + cpb[idx++] = cpu_to_le16((ATA_REG_DEVICE << 8) | tf->device | WNB); + + if ((tf->flags & ATA_TFLAG_LBA48) == 0) { + cpb[idx++] = cpu_to_le16(IGN); + cpb[idx++] = cpu_to_le16(IGN); + cpb[idx++] = cpu_to_le16(IGN); + cpb[idx++] = cpu_to_le16(IGN); + cpb[idx++] = cpu_to_le16(IGN); + } + else { + cpb[idx++] = cpu_to_le16((ATA_REG_ERR << 8) | tf->hob_feature); + cpb[idx++] = cpu_to_le16((ATA_REG_NSECT << 8) | tf->hob_nsect); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAL << 8) | tf->hob_lbal); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAM << 8) | tf->hob_lbam); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAH << 8) | tf->hob_lbah); + } + cpb[idx++] = cpu_to_le16((ATA_REG_ERR << 8) | tf->feature); + cpb[idx++] = cpu_to_le16((ATA_REG_NSECT << 8) | tf->nsect); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAL << 8) | tf->lbal); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAM << 8) | tf->lbam); + cpb[idx++] = cpu_to_le16((ATA_REG_LBAH << 8) | tf->lbah); + + cpb[idx++] = cpu_to_le16((ATA_REG_CMD << 8) | tf->command | CMDEND); + + return idx; +} + +static inline void __iomem *__nv_adma_ctl_block(void __iomem *mmio, + unsigned int port_no) +{ + mmio += NV_ADMA_PORT + port_no * NV_ADMA_PORT_SIZE; + return mmio; +} + +static inline void __iomem *nv_adma_ctl_block(struct ata_port *ap) +{ + return __nv_adma_ctl_block(ap->host->mmio_base, ap->port_no); +} + +static inline void __iomem *nv_adma_gen_block(struct ata_port *ap) +{ + return (ap->host->mmio_base + NV_ADMA_GEN); +} + +static inline void __iomem *nv_adma_notifier_clear_block(struct ata_port *ap) +{ + return (nv_adma_gen_block(ap) + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no)); +} + +static void nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) +{ + struct nv_adma_port_priv *pp = ap->private_data; + int complete = 0, have_err = 0; + u16 flags = pp->cpb[cpb_num].resp_flags; + + VPRINTK("CPB %d, flags=0x%x\n", cpb_num, flags); + + if (flags & NV_CPB_RESP_DONE) { + VPRINTK("CPB flags done, flags=0x%x\n", flags); + complete = 1; + } + if (flags & NV_CPB_RESP_ATA_ERR) { + ata_port_printk(ap, KERN_ERR, "CPB flags ATA err, flags=0x%x\n", flags); + have_err = 1; + complete = 1; + } + if (flags & NV_CPB_RESP_CMD_ERR) { + ata_port_printk(ap, KERN_ERR, "CPB flags CMD err, flags=0x%x\n", flags); + have_err = 1; + complete = 1; + } + if (flags & NV_CPB_RESP_CPB_ERR) { + ata_port_printk(ap, KERN_ERR, "CPB flags CPB err, flags=0x%x\n", flags); + have_err = 1; + complete = 1; + } + if(complete || force_err) + { + struct ata_queued_cmd *qc = ata_qc_from_tag(ap, cpb_num); + if(likely(qc)) { + u8 ata_status = 0; + /* Only use the ATA port status for non-NCQ commands. + For NCQ commands the current status may have nothing to do with + the command just completed. */ + if(qc->tf.protocol != ATA_PROT_NCQ) + ata_status = readb(nv_adma_ctl_block(ap) + (ATA_REG_STATUS * 4)); + + if(have_err || force_err) + ata_status |= ATA_ERR; + + qc->err_mask |= ac_err_mask(ata_status); + DPRINTK("Completing qc from tag %d with err_mask %u\n",cpb_num, + qc->err_mask); + ata_qc_complete(qc); + } + } +} + +static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) +{ + struct ata_host *host = dev_instance; + int i, handled = 0; + + spin_lock(&host->lock); + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + + if (ap && !(ap->flags & ATA_FLAG_DISABLED)) { + struct nv_adma_port_priv *pp = ap->private_data; + void __iomem *mmio = nv_adma_ctl_block(ap); + u16 status; + u32 gen_ctl; + int have_global_err = 0; + u32 notifier, notifier_error; + + /* if in ATA register mode, use standard ata interrupt handler */ + if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) { + struct ata_queued_cmd *qc; + VPRINTK("in ATA register mode\n"); + qc = ata_qc_from_tag(ap, ap->active_tag); + if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) + handled += ata_host_intr(ap, qc); + else { + /* No request pending? Clear interrupt status + anyway, in case there's one pending. */ + ap->ops->check_status(ap); + handled++; + } + continue; + } + + notifier = readl(mmio + NV_ADMA_NOTIFIER); + notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); + + gen_ctl = readl(nv_adma_gen_block(ap) + NV_ADMA_GEN_CTL); + + /* Seems necessary to clear notifiers even when they were 0. + Otherwise we seem to stop receiving further interrupts. + Unsure why. */ + writel(notifier | notifier_error, nv_adma_notifier_clear_block(ap)); + + if( !NV_ADMA_CHECK_INTR(gen_ctl, ap->port_no) && !notifier && + !notifier_error) + /* Nothing to do */ + continue; + + status = readw(mmio + NV_ADMA_STAT); + + /* Clear status. Ensure the controller sees the clearing before we start + looking at any of the CPB statuses, so that any CPB completions after + this point in the handler will raise another interrupt. */ + writew(status, mmio + NV_ADMA_STAT); + readw(mmio + NV_ADMA_STAT); /* flush posted write */ + rmb(); + + /* freeze if hotplugged */ + if (unlikely(status & (NV_ADMA_STAT_HOTPLUG | NV_ADMA_STAT_HOTUNPLUG))) { + ata_port_printk(ap, KERN_NOTICE, "Hotplug event, freezing\n"); + ata_port_freeze(ap); + handled++; + continue; + } + + if (status & NV_ADMA_STAT_TIMEOUT) { + ata_port_printk(ap, KERN_ERR, "timeout, stat=0x%x\n", status); + have_global_err = 1; + } + if (status & NV_ADMA_STAT_CPBERR) { + ata_port_printk(ap, KERN_ERR, "CPB error, stat=0x%x\n", status); + have_global_err = 1; + } + if ((status & NV_ADMA_STAT_DONE) || have_global_err) { + /** Check CPBs for completed commands */ + + if(ata_tag_valid(ap->active_tag)) + /* Non-NCQ command */ + nv_adma_check_cpb(ap, ap->active_tag, have_global_err || + (notifier_error & (1 << ap->active_tag))); + else { + int pos; + u32 active = ap->sactive; + while( (pos = ffs(active)) ) { + pos--; + nv_adma_check_cpb(ap, pos, have_global_err || + (notifier_error & (1 << pos)) ); + active &= ~(1 << pos ); + } + } + } + + handled++; /* irq handled if we got here */ + } + } + + spin_unlock(&host->lock); + + return IRQ_RETVAL(handled); +} + +static void nv_adma_irq_clear(struct ata_port *ap) +{ + void __iomem *mmio = nv_adma_ctl_block(ap); + u16 status = readw(mmio + NV_ADMA_STAT); + u32 notifier = readl(mmio + NV_ADMA_NOTIFIER); + u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); + + /* clear ADMA status */ + writew(status, mmio + NV_ADMA_STAT); + writel(notifier | notifier_error, + nv_adma_notifier_clear_block(ap)); + + /** clear legacy status */ + ap->flags &= ~ATA_FLAG_MMIO; + ata_bmdma_irq_clear(ap); + ap->flags |= ATA_FLAG_MMIO; +} + +static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + + if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) { + WARN_ON(1); + return; + } + + qc->ap->flags &= ~ATA_FLAG_MMIO; + ata_bmdma_setup(qc); + qc->ap->flags |= ATA_FLAG_MMIO; +} + +static void nv_adma_bmdma_start(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + + if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) { + WARN_ON(1); + return; + } + + qc->ap->flags &= ~ATA_FLAG_MMIO; + ata_bmdma_start(qc); + qc->ap->flags |= ATA_FLAG_MMIO; +} + +static void nv_adma_bmdma_stop(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + + if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) + return; + + qc->ap->flags &= ~ATA_FLAG_MMIO; + ata_bmdma_stop(qc); + qc->ap->flags |= ATA_FLAG_MMIO; +} + +static u8 nv_adma_bmdma_status(struct ata_port *ap) +{ + u8 status; + struct nv_adma_port_priv *pp = ap->private_data; + + WARN_ON(pp->flags & NV_ADMA_PORT_REGISTER_MODE); + + ap->flags &= ~ATA_FLAG_MMIO; + status = ata_bmdma_status(ap); + ap->flags |= ATA_FLAG_MMIO; + return status; +} + +static void nv_adma_register_mode(struct ata_port *ap) +{ + void __iomem *mmio = nv_adma_ctl_block(ap); + struct nv_adma_port_priv *pp = ap->private_data; + u16 tmp; + + if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) + return; + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + + pp->flags |= NV_ADMA_PORT_REGISTER_MODE; +} + +static void nv_adma_mode(struct ata_port *ap) +{ + void __iomem *mmio = nv_adma_ctl_block(ap); + struct nv_adma_port_priv *pp = ap->private_data; + u16 tmp; + + if (!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) + return; + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + + pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE; +} + +static int nv_adma_port_start(struct ata_port *ap) +{ + struct device *dev = ap->host->dev; + struct nv_adma_port_priv *pp; + int rc; + void *mem; + dma_addr_t mem_dma; + void __iomem *mmio = nv_adma_ctl_block(ap); + u16 tmp; + + VPRINTK("ENTER\n"); + + rc = ata_port_start(ap); + if (rc) + return rc; + + pp = kzalloc(sizeof(*pp), GFP_KERNEL); + if (!pp) { + rc = -ENOMEM; + goto err_out; + } + + mem = dma_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, + &mem_dma, GFP_KERNEL); + + if (!mem) { + rc = -ENOMEM; + goto err_out_kfree; + } + memset(mem, 0, NV_ADMA_PORT_PRIV_DMA_SZ); + + /* + * First item in chunk of DMA memory: + * 128-byte command parameter block (CPB) + * one for each command tag + */ + pp->cpb = mem; + pp->cpb_dma = mem_dma; + + writel(mem_dma & 0xFFFFFFFF, mmio + NV_ADMA_CPB_BASE_LOW); + writel((mem_dma >> 16 ) >> 16, mmio + NV_ADMA_CPB_BASE_HIGH); + + mem += NV_ADMA_MAX_CPBS * NV_ADMA_CPB_SZ; + mem_dma += NV_ADMA_MAX_CPBS * NV_ADMA_CPB_SZ; + + /* + * Second item: block of ADMA_SGTBL_LEN s/g entries + */ + pp->aprd = mem; + pp->aprd_dma = mem_dma; + + ap->private_data = pp; + + /* clear any outstanding interrupt conditions */ + writew(0xffff, mmio + NV_ADMA_STAT); + + /* initialize port variables */ + pp->flags = NV_ADMA_PORT_REGISTER_MODE; + + /* clear CPB fetch count */ + writew(0, mmio + NV_ADMA_CPB_COUNT); + + /* clear GO for register mode */ + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + udelay(1); + writew(tmp & ~NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + + return 0; + +err_out_kfree: + kfree(pp); +err_out: + ata_port_stop(ap); + return rc; +} + +static void nv_adma_port_stop(struct ata_port *ap) +{ + struct device *dev = ap->host->dev; + struct nv_adma_port_priv *pp = ap->private_data; + void __iomem *mmio = nv_adma_ctl_block(ap); + + VPRINTK("ENTER\n"); + + writew(0, mmio + NV_ADMA_CTL); + + ap->private_data = NULL; + dma_free_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, pp->cpb, pp->cpb_dma); + kfree(pp); + ata_port_stop(ap); +} + + +static void nv_adma_setup_port(struct ata_probe_ent *probe_ent, unsigned int port) +{ + void __iomem *mmio = probe_ent->mmio_base; + struct ata_ioports *ioport = &probe_ent->port[port]; + + VPRINTK("ENTER\n"); + + mmio += NV_ADMA_PORT + port * NV_ADMA_PORT_SIZE; + + ioport->cmd_addr = (unsigned long) mmio; + ioport->data_addr = (unsigned long) mmio + (ATA_REG_DATA * 4); + ioport->error_addr = + ioport->feature_addr = (unsigned long) mmio + (ATA_REG_ERR * 4); + ioport->nsect_addr = (unsigned long) mmio + (ATA_REG_NSECT * 4); + ioport->lbal_addr = (unsigned long) mmio + (ATA_REG_LBAL * 4); + ioport->lbam_addr = (unsigned long) mmio + (ATA_REG_LBAM * 4); + ioport->lbah_addr = (unsigned long) mmio + (ATA_REG_LBAH * 4); + ioport->device_addr = (unsigned long) mmio + (ATA_REG_DEVICE * 4); + ioport->status_addr = + ioport->command_addr = (unsigned long) mmio + (ATA_REG_STATUS * 4); + ioport->altstatus_addr = + ioport->ctl_addr = (unsigned long) mmio + 0x20; +} + +static int nv_adma_host_init(struct ata_probe_ent *probe_ent) +{ + struct pci_dev *pdev = to_pci_dev(probe_ent->dev); + unsigned int i; + u32 tmp32; + + VPRINTK("ENTER\n"); + + /* enable ADMA on the ports */ + pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, &tmp32); + tmp32 |= NV_MCP_SATA_CFG_20_PORT0_EN | + NV_MCP_SATA_CFG_20_PORT0_PWB_EN | + NV_MCP_SATA_CFG_20_PORT1_EN | + NV_MCP_SATA_CFG_20_PORT1_PWB_EN; + + pci_write_config_dword(pdev, NV_MCP_SATA_CFG_20, tmp32); + + for (i = 0; i < probe_ent->n_ports; i++) + nv_adma_setup_port(probe_ent, i); + + for (i = 0; i < probe_ent->n_ports; i++) { + void __iomem *mmio = __nv_adma_ctl_block(probe_ent->mmio_base, i); + u16 tmp; + + /* enable interrupt, clear reset if not already clear */ + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); + } + + return 0; +} + +static void nv_adma_fill_aprd(struct ata_queued_cmd *qc, + struct scatterlist *sg, + int idx, + struct nv_adma_prd *aprd) +{ + u32 flags; + + memset(aprd, 0, sizeof(struct nv_adma_prd)); + + flags = 0; + if (qc->tf.flags & ATA_TFLAG_WRITE) + flags |= NV_APRD_WRITE; + if (idx == qc->n_elem - 1) + flags |= NV_APRD_END; + else if (idx != 4) + flags |= NV_APRD_CONT; + + aprd->addr = cpu_to_le64(((u64)sg_dma_address(sg))); + aprd->len = cpu_to_le32(((u32)sg_dma_len(sg))); /* len in bytes */ + aprd->flags = cpu_to_le32(flags); +} + +static void nv_adma_fill_sg(struct ata_queued_cmd *qc, struct nv_adma_cpb *cpb) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + unsigned int idx; + struct nv_adma_prd *aprd; + struct scatterlist *sg; + + VPRINTK("ENTER\n"); + + idx = 0; + + ata_for_each_sg(sg, qc) { + aprd = (idx < 5) ? &cpb->aprd[idx] : &pp->aprd[NV_ADMA_SGTBL_LEN * qc->tag + (idx-5)]; + nv_adma_fill_aprd(qc, sg, idx, aprd); + idx++; + } + if (idx > 5) + cpb->next_aprd = cpu_to_le64(((u64)(pp->aprd_dma + NV_ADMA_SGTBL_SZ * qc->tag))); +} + +static void nv_adma_qc_prep(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + struct nv_adma_cpb *cpb = &pp->cpb[qc->tag]; + u8 ctl_flags = NV_CPB_CTL_CPB_VALID | + NV_CPB_CTL_APRD_VALID | + NV_CPB_CTL_IEN; + + VPRINTK("qc->flags = 0x%lx\n", qc->flags); + + if (!(qc->flags & ATA_QCFLAG_DMAMAP) || + qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + ata_qc_prep(qc); + return; + } + + memset(cpb, 0, sizeof(struct nv_adma_cpb)); + + cpb->len = 3; + cpb->tag = qc->tag; + cpb->next_cpb_idx = 0; + + /* turn on NCQ flags for NCQ commands */ + if (qc->tf.protocol == ATA_PROT_NCQ) + ctl_flags |= NV_CPB_CTL_QUEUE | NV_CPB_CTL_FPDMA; + + nv_adma_tf_to_cpb(&qc->tf, cpb->tf); + + nv_adma_fill_sg(qc, cpb); + + /* Be paranoid and don't let the device see NV_CPB_CTL_CPB_VALID until we are + finished filling in all of the contents */ + wmb(); + cpb->ctl_flags = ctl_flags; +} + +static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc) +{ + void __iomem *mmio = nv_adma_ctl_block(qc->ap); + + VPRINTK("ENTER\n"); + + if (!(qc->flags & ATA_QCFLAG_DMAMAP) || + qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + /* use ATA register mode */ + VPRINTK("no dmamap or ATAPI, using ATA register mode: 0x%lx\n", qc->flags); + nv_adma_register_mode(qc->ap); + return ata_qc_issue_prot(qc); + } else + nv_adma_mode(qc->ap); + + /* write append register, command tag in lower 8 bits + and (number of cpbs to append -1) in top 8 bits */ + wmb(); + writew(qc->tag, mmio + NV_ADMA_APPEND); + + DPRINTK("Issued tag %u\n",qc->tag); + + return 0; +} + static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; @@ -466,6 +1281,56 @@ static void nv_error_handler(struct ata_port *ap) nv_hardreset, ata_std_postreset); } +static void nv_adma_error_handler(struct ata_port *ap) +{ + struct nv_adma_port_priv *pp = ap->private_data; + if(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) { + void __iomem *mmio = nv_adma_ctl_block(ap); + int i; + u16 tmp; + + u32 notifier = readl(mmio + NV_ADMA_NOTIFIER); + u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); + u32 gen_ctl = readl(nv_adma_gen_block(ap) + NV_ADMA_GEN_CTL); + u32 status = readw(mmio + NV_ADMA_STAT); + + ata_port_printk(ap, KERN_ERR, "EH in ADMA mode, notifier 0x%X " + "notifier_error 0x%X gen_ctl 0x%X status 0x%X\n", + notifier, notifier_error, gen_ctl, status); + + for( i=0;icpb[i]; + if( cpb->ctl_flags || cpb->resp_flags ) + ata_port_printk(ap, KERN_ERR, + "CPB %d: ctl_flags 0x%x, resp_flags 0x%x\n", + i, cpb->ctl_flags, cpb->resp_flags); + } + + /* Push us back into port register mode for error handling. */ + nv_adma_register_mode(ap); + + ata_port_printk(ap, KERN_ERR, "Resetting port\n"); + + /* Mark all of the CPBs as invalid to prevent them from being executed */ + for( i=0;icpb[i].ctl_flags &= ~NV_CPB_CTL_CPB_VALID; + + /* clear CPB fetch count */ + writew(0, mmio + NV_ADMA_CPB_COUNT); + + /* Reset channel */ + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + udelay(1); + writew(tmp & ~NV_ADMA_CTL_CHANNEL_RESET, mmio + NV_ADMA_CTL); + readl( mmio + NV_ADMA_CTL ); /* flush posted write */ + } + + ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, + nv_hardreset, ata_std_postreset); +} + static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version = 0; @@ -475,6 +1340,8 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) int rc; u32 bar; unsigned long base; + unsigned long type = ent->driver_data; + int mask_set = 0; // Make sure this is a SATA controller by counting the number of bars // (NVIDIA SATA controllers will always have six bars). Otherwise, @@ -483,7 +1350,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_resource_start(pdev, bar) == 0) return -ENODEV; - if (!printed_version++) + if ( !printed_version++) dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); rc = pci_enable_device(pdev); @@ -496,16 +1363,26 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_disable; } - rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); - if (rc) - goto err_out_regions; - rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); - if (rc) - goto err_out_regions; + if(type >= CK804 && adma_enabled) { + dev_printk(KERN_NOTICE, &pdev->dev, "Using ADMA mode\n"); + type = ADMA; + if(!pci_set_dma_mask(pdev, DMA_64BIT_MASK) && + !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) + mask_set = 1; + } + + if(!mask_set) { + rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); + if (rc) + goto err_out_regions; + rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); + if (rc) + goto err_out_regions; + } rc = -ENOMEM; - ppi[0] = ppi[1] = &nv_port_info[ent->driver_data]; + ppi[0] = ppi[1] = &nv_port_info[type]; probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY); if (!probe_ent) goto err_out_regions; @@ -522,7 +1399,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->port[1].scr_addr = base + NV_PORT1_SCR_REG_OFFSET; /* enable SATA space for CK804 */ - if (ent->driver_data == CK804) { + if (type >= CK804) { u8 regval; pci_read_config_byte(pdev, NV_MCP_SATA_CFG_20, ®val); @@ -532,6 +1409,12 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); + if (type == ADMA) { + rc = nv_adma_host_init(probe_ent); + if (rc) + goto err_out_iounmap; + } + rc = ata_device_add(probe_ent); if (rc != NV_PORTS) goto err_out_iounmap; @@ -566,6 +1449,33 @@ static void nv_ck804_host_stop(struct ata_host *host) ata_pci_host_stop(host); } +static void nv_adma_host_stop(struct ata_host *host) +{ + struct pci_dev *pdev = to_pci_dev(host->dev); + int i; + u32 tmp32; + + for (i = 0; i < host->n_ports; i++) { + void __iomem *mmio = __nv_adma_ctl_block(host->mmio_base, i); + u16 tmp; + + /* disable interrupt */ + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp & ~NV_ADMA_CTL_AIEN, mmio + NV_ADMA_CTL); + } + + /* disable ADMA on the ports */ + pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, &tmp32); + tmp32 &= ~(NV_MCP_SATA_CFG_20_PORT0_EN | + NV_MCP_SATA_CFG_20_PORT0_PWB_EN | + NV_MCP_SATA_CFG_20_PORT1_EN | + NV_MCP_SATA_CFG_20_PORT1_PWB_EN); + + pci_write_config_dword(pdev, NV_MCP_SATA_CFG_20, tmp32); + + nv_ck804_host_stop(host); +} + static int __init nv_init(void) { return pci_register_driver(&nv_pci_driver); @@ -578,3 +1488,5 @@ static void __exit nv_exit(void) module_init(nv_init); module_exit(nv_exit); +module_param_named(adma, adma_enabled, bool, 0444); +MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: true)"); -- cgit v1.2.3 From 6919a0a6cfdad9e83d02cef5973826acd416560c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 27 Oct 2006 19:08:46 -0700 Subject: [PATCH] libata: Revamp blacklist support to allow multiple kinds of blacklisting flaws Signed-off-by: Alan Cox Cc: Jeff Garzik Cc: Tejun Heo Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 123 ++++++++++++++++++++++++++++------------------ 1 file changed, 75 insertions(+), 48 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b896119cccd..b4fbfebafd2 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1345,7 +1345,10 @@ static void ata_dev_config_ncq(struct ata_device *dev, desc[0] = '\0'; return; } - + if (ata_device_blacklisted(dev) & ATA_HORKAGE_NONCQ) { + snprintf(desc, desc_sz, "NCQ (not used)"); + return; + } if (ap->flags & ATA_FLAG_NCQ) { hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1); dev->flags |= ATA_DFLAG_NCQ; @@ -3014,37 +3017,55 @@ int ata_dev_revalidate(struct ata_device *dev, int post_reset) return rc; } -static const char * const ata_dma_blacklist [] = { - "WDC AC11000H", NULL, - "WDC AC22100H", NULL, - "WDC AC32500H", NULL, - "WDC AC33100H", NULL, - "WDC AC31600H", NULL, - "WDC AC32100H", "24.09P07", - "WDC AC23200L", "21.10N21", - "Compaq CRD-8241B", NULL, - "CRD-8400B", NULL, - "CRD-8480B", NULL, - "CRD-8482B", NULL, - "CRD-84", NULL, - "SanDisk SDP3B", NULL, - "SanDisk SDP3B-64", NULL, - "SANYO CD-ROM CRD", NULL, - "HITACHI CDR-8", NULL, - "HITACHI CDR-8335", NULL, - "HITACHI CDR-8435", NULL, - "Toshiba CD-ROM XM-6202B", NULL, - "TOSHIBA CD-ROM XM-1702BC", NULL, - "CD-532E-A", NULL, - "E-IDE CD-ROM CR-840", NULL, - "CD-ROM Drive/F5A", NULL, - "WPI CDD-820", NULL, - "SAMSUNG CD-ROM SC-148C", NULL, - "SAMSUNG CD-ROM SC", NULL, - "SanDisk SDP3B-64", NULL, - "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL, - "_NEC DV5800A", NULL, - "SAMSUNG CD-ROM SN-124", "N001" +struct ata_blacklist_entry { + const char *model_num; + const char *model_rev; + unsigned long horkage; +}; + +static const struct ata_blacklist_entry ata_device_blacklist [] = { + /* Devices with DMA related problems under Linux */ + { "WDC AC11000H", NULL, ATA_HORKAGE_NODMA }, + { "WDC AC22100H", NULL, ATA_HORKAGE_NODMA }, + { "WDC AC32500H", NULL, ATA_HORKAGE_NODMA }, + { "WDC AC33100H", NULL, ATA_HORKAGE_NODMA }, + { "WDC AC31600H", NULL, ATA_HORKAGE_NODMA }, + { "WDC AC32100H", "24.09P07", ATA_HORKAGE_NODMA }, + { "WDC AC23200L", "21.10N21", ATA_HORKAGE_NODMA }, + { "Compaq CRD-8241B", NULL, ATA_HORKAGE_NODMA }, + { "CRD-8400B", NULL, ATA_HORKAGE_NODMA }, + { "CRD-8480B", NULL, ATA_HORKAGE_NODMA }, + { "CRD-8482B", NULL, ATA_HORKAGE_NODMA }, + { "CRD-84", NULL, ATA_HORKAGE_NODMA }, + { "SanDisk SDP3B", NULL, ATA_HORKAGE_NODMA }, + { "SanDisk SDP3B-64", NULL, ATA_HORKAGE_NODMA }, + { "SANYO CD-ROM CRD", NULL, ATA_HORKAGE_NODMA }, + { "HITACHI CDR-8", NULL, ATA_HORKAGE_NODMA }, + { "HITACHI CDR-8335", NULL, ATA_HORKAGE_NODMA }, + { "HITACHI CDR-8435", NULL, ATA_HORKAGE_NODMA }, + { "Toshiba CD-ROM XM-6202B", NULL, ATA_HORKAGE_NODMA }, + { "TOSHIBA CD-ROM XM-1702BC", NULL, ATA_HORKAGE_NODMA }, + { "CD-532E-A", NULL, ATA_HORKAGE_NODMA }, + { "E-IDE CD-ROM CR-840",NULL, ATA_HORKAGE_NODMA }, + { "CD-ROM Drive/F5A", NULL, ATA_HORKAGE_NODMA }, + { "WPI CDD-820", NULL, ATA_HORKAGE_NODMA }, + { "SAMSUNG CD-ROM SC-148C", NULL, ATA_HORKAGE_NODMA }, + { "SAMSUNG CD-ROM SC", NULL, ATA_HORKAGE_NODMA }, + { "SanDisk SDP3B-64", NULL, ATA_HORKAGE_NODMA }, + { "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,ATA_HORKAGE_NODMA }, + { "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA }, + { "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA }, + + /* Devices we expect to fail diagnostics */ + + /* Devices where NCQ should be avoided */ + /* NCQ is slow */ + { "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ }, + + /* Devices with NCQ limits */ + + /* End Marker */ + { } }; static int ata_strim(char *s, size_t len) @@ -3059,20 +3080,12 @@ static int ata_strim(char *s, size_t len) return len; } -static int ata_dma_blacklisted(const struct ata_device *dev) +unsigned long ata_device_blacklisted(const struct ata_device *dev) { unsigned char model_num[40]; unsigned char model_rev[16]; unsigned int nlen, rlen; - int i; - - /* We don't support polling DMA. - * DMA blacklist those ATAPI devices with CDB-intr (and use PIO) - * if the LLDD handles only interrupts in the HSM_ST_LAST state. - */ - if ((dev->ap->flags & ATA_FLAG_PIO_POLLING) && - (dev->flags & ATA_DFLAG_CDB_INTR)) - return 1; + const struct ata_blacklist_entry *ad = ata_device_blacklist; ata_id_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); @@ -3081,17 +3094,30 @@ static int ata_dma_blacklisted(const struct ata_device *dev) nlen = ata_strim(model_num, sizeof(model_num)); rlen = ata_strim(model_rev, sizeof(model_rev)); - for (i = 0; i < ARRAY_SIZE(ata_dma_blacklist); i += 2) { - if (!strncmp(ata_dma_blacklist[i], model_num, nlen)) { - if (ata_dma_blacklist[i+1] == NULL) - return 1; - if (!strncmp(ata_dma_blacklist[i], model_rev, rlen)) - return 1; + while (ad->model_num) { + if (!strncmp(ad->model_num, model_num, nlen)) { + if (ad->model_rev == NULL) + return ad->horkage; + if (!strncmp(ad->model_rev, model_rev, rlen)) + return ad->horkage; } + ad++; } return 0; } +static int ata_dma_blacklisted(const struct ata_device *dev) +{ + /* We don't support polling DMA. + * DMA blacklist those ATAPI devices with CDB-intr (and use PIO) + * if the LLDD handles only interrupts in the HSM_ST_LAST state. + */ + if ((dev->ap->flags & ATA_FLAG_PIO_POLLING) && + (dev->flags & ATA_DFLAG_CDB_INTR)) + return 1; + return (ata_device_blacklisted(dev) & ATA_HORKAGE_NODMA) ? 1 : 0; +} + /** * ata_dev_xfermask - Compute supported xfermask of the given device * @dev: Device to compute xfermask for @@ -6153,6 +6179,7 @@ EXPORT_SYMBOL_GPL(ata_host_suspend); EXPORT_SYMBOL_GPL(ata_host_resume); EXPORT_SYMBOL_GPL(ata_id_string); EXPORT_SYMBOL_GPL(ata_id_c_string); +EXPORT_SYMBOL_GPL(ata_device_blacklisted); EXPORT_SYMBOL_GPL(ata_scsi_simulate); EXPORT_SYMBOL_GPL(ata_pio_need_iordy); -- cgit v1.2.3 From a20c9e820864e18b59d2a4f2f04e8b6053986c95 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 27 Oct 2006 19:08:48 -0700 Subject: [PATCH] ata: Generic platform_device libata driver needs a changelog Signed-off-by: Paul Mundt Acked-by: Russell King Cc: Jeff Garzik Cc: Tejun Heo Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/ata/Kconfig | 9 ++ drivers/ata/Makefile | 1 + drivers/ata/pata_platform.c | 295 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 305 insertions(+) create mode 100644 drivers/ata/pata_platform.c (limited to 'drivers') diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 9b07e70bee7..98d0f01c90e 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -499,6 +499,15 @@ config PATA_WINBOND_VLB Support for the Winbond W83759A controller on Vesa Local Bus systems. +config PATA_PLATFORM + tristate "Generic platform device PATA support" + depends on EMBEDDED + help + This option enables support for generic directly connected ATA + devices commonly found on embedded systems. + + If unsure, say N. + endif endmenu diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index ceba7d824a6..f2b3ea2d15d 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o obj-$(CONFIG_PATA_SIS) += pata_sis.o obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o +obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o # Should be last but one libata driver obj-$(CONFIG_ATA_GENERIC) += ata_generic.o # Should be last libata driver diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c new file mode 100644 index 00000000000..63d6687f0ba --- /dev/null +++ b/drivers/ata/pata_platform.c @@ -0,0 +1,295 @@ +/* + * Generic platform device PATA driver + * + * Copyright (C) 2006 Paul Mundt + * + * Based on pata_pcmcia: + * + * Copyright 2005-2006 Red Hat Inc , all rights reserved. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "pata_platform" +#define DRV_VERSION "0.1.2" + +static int pio_mask = 1; + +/* + * Provide our own set_mode() as we don't want to change anything that has + * already been configured.. + */ +static void pata_platform_set_mode(struct ata_port *ap) +{ + int i; + + for (i = 0; i < ATA_MAX_DEVICES; i++) { + struct ata_device *dev = &ap->device[i]; + + if (ata_dev_enabled(dev)) { + /* We don't really care */ + dev->pio_mode = dev->xfer_mode = XFER_PIO_0; + dev->xfer_shift = ATA_SHIFT_PIO; + dev->flags |= ATA_DFLAG_PIO; + } + } +} + +static void pata_platform_host_stop(struct ata_host *host) +{ + int i; + + /* + * Unmap the bases for MMIO + */ + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + + if (ap->flags & ATA_FLAG_MMIO) { + iounmap((void __iomem *)ap->ioaddr.ctl_addr); + iounmap((void __iomem *)ap->ioaddr.cmd_addr); + } + } +} + +static struct scsi_host_template pata_platform_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + .bios_param = ata_std_bios_param, +}; + +static struct ata_port_operations pata_platform_port_ops = { + .set_mode = pata_platform_set_mode, + + .port_disable = ata_port_disable, + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = ata_bmdma_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .data_xfer = ata_pio_data_xfer_noirq, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + + .port_start = ata_port_start, + .port_stop = ata_port_stop, + .host_stop = pata_platform_host_stop +}; + +static void pata_platform_setup_port(struct ata_ioports *ioaddr, + struct pata_platform_info *info) +{ + unsigned int shift = 0; + + /* Fixup the port shift for platforms that need it */ + if (info && info->ioport_shift) + shift = info->ioport_shift; + + ioaddr->data_addr = ioaddr->cmd_addr + (ATA_REG_DATA << shift); + ioaddr->error_addr = ioaddr->cmd_addr + (ATA_REG_ERR << shift); + ioaddr->feature_addr = ioaddr->cmd_addr + (ATA_REG_FEATURE << shift); + ioaddr->nsect_addr = ioaddr->cmd_addr + (ATA_REG_NSECT << shift); + ioaddr->lbal_addr = ioaddr->cmd_addr + (ATA_REG_LBAL << shift); + ioaddr->lbam_addr = ioaddr->cmd_addr + (ATA_REG_LBAM << shift); + ioaddr->lbah_addr = ioaddr->cmd_addr + (ATA_REG_LBAH << shift); + ioaddr->device_addr = ioaddr->cmd_addr + (ATA_REG_DEVICE << shift); + ioaddr->status_addr = ioaddr->cmd_addr + (ATA_REG_STATUS << shift); + ioaddr->command_addr = ioaddr->cmd_addr + (ATA_REG_CMD << shift); +} + +/** + * pata_platform_probe - attach a platform interface + * @pdev: platform device + * + * Register a platform bus IDE interface. Such interfaces are PIO and we + * assume do not support IRQ sharing. + * + * Platform devices are expected to contain 3 resources per port: + * + * - I/O Base (IORESOURCE_IO or IORESOURCE_MEM) + * - CTL Base (IORESOURCE_IO or IORESOURCE_MEM) + * - IRQ (IORESOURCE_IRQ) + * + * If the base resources are both mem types, the ioremap() is handled + * here. For IORESOURCE_IO, it's assumed that there's no remapping + * necessary. + */ +static int __devinit pata_platform_probe(struct platform_device *pdev) +{ + struct resource *io_res, *ctl_res; + struct ata_probe_ent ae; + unsigned int mmio; + int ret; + + /* + * Simple resource validation .. + */ + if (unlikely(pdev->num_resources != 3)) { + dev_err(&pdev->dev, "invalid number of resources\n"); + return -EINVAL; + } + + /* + * Get the I/O base first + */ + io_res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (io_res == NULL) { + io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(io_res == NULL)) + return -EINVAL; + } + + /* + * Then the CTL base + */ + ctl_res = platform_get_resource(pdev, IORESOURCE_IO, 1); + if (ctl_res == NULL) { + ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (unlikely(ctl_res == NULL)) + return -EINVAL; + } + + /* + * Check for MMIO + */ + mmio = (( io_res->flags == IORESOURCE_MEM) && + (ctl_res->flags == IORESOURCE_MEM)); + + /* + * Now that that's out of the way, wire up the port.. + */ + memset(&ae, 0, sizeof(struct ata_probe_ent)); + INIT_LIST_HEAD(&ae.node); + ae.dev = &pdev->dev; + ae.port_ops = &pata_platform_port_ops; + ae.sht = &pata_platform_sht; + ae.n_ports = 1; + ae.pio_mask = pio_mask; + ae.irq = platform_get_irq(pdev, 0); + ae.irq_flags = 0; + ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST; + + /* + * Handle the MMIO case + */ + if (mmio) { + ae.port_flags |= ATA_FLAG_MMIO; + + ae.port[0].cmd_addr = (unsigned long)ioremap(io_res->start, + io_res->end - io_res->start + 1); + if (unlikely(!ae.port[0].cmd_addr)) { + dev_err(&pdev->dev, "failed to remap IO base\n"); + return -ENXIO; + } + + ae.port[0].ctl_addr = (unsigned long)ioremap(ctl_res->start, + ctl_res->end - ctl_res->start + 1); + if (unlikely(!ae.port[0].ctl_addr)) { + dev_err(&pdev->dev, "failed to remap CTL base\n"); + ret = -ENXIO; + goto bad_remap; + } + } else { + ae.port[0].cmd_addr = io_res->start; + ae.port[0].ctl_addr = ctl_res->start; + } + + ae.port[0].altstatus_addr = ae.port[0].ctl_addr; + + pata_platform_setup_port(&ae.port[0], pdev->dev.platform_data); + + if (unlikely(ata_device_add(&ae) == 0)) { + ret = -ENODEV; + goto add_failed; + } + + return 0; + +add_failed: + if (ae.port[0].ctl_addr && mmio) + iounmap((void __iomem *)ae.port[0].ctl_addr); +bad_remap: + if (ae.port[0].cmd_addr && mmio) + iounmap((void __iomem *)ae.port[0].cmd_addr); + + return ret; +} + +/** + * pata_platform_remove - unplug a platform interface + * @pdev: platform device + * + * A platform bus ATA device has been unplugged. Perform the needed + * cleanup. Also called on module unload for any active devices. + */ +static int __devexit pata_platform_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct ata_host *host = dev_get_drvdata(dev); + + ata_host_remove(host); + dev_set_drvdata(dev, NULL); + + return 0; +} + +static struct platform_driver pata_platform_driver = { + .probe = pata_platform_probe, + .remove = __devexit_p(pata_platform_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init pata_platform_init(void) +{ + return platform_driver_register(&pata_platform_driver); +} + +static void __exit pata_platform_exit(void) +{ + platform_driver_unregister(&pata_platform_driver); +} +module_init(pata_platform_init); +module_exit(pata_platform_exit); + +module_param(pio_mask, int, 0); + +MODULE_AUTHOR("Paul Mundt"); +MODULE_DESCRIPTION("low-level driver for platform device ATA"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); -- cgit v1.2.3 From d1adc1bbd6dde3e05a91e2d3e6ab42d202ea61d5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 9 Oct 2006 18:32:15 +0900 Subject: [PATCH] libata: handle 0xff status properly libata waits for !BSY even when the status register reports 0xff. This causes long boot delays when D8 isn't pulled down properly. This patch does the followings. * don't wait if status register is 0xff in all wait functions * make ata_busy_sleep() return 0 on success and -errno on failure. -ENODEV is returned on 0xff status and -EBUSY on other failures. * make ata_bus_softreset() succeed on 0xff status. 0xff status is not reset failure. It indicates no device. This removes unnecessary retries on such ports. Note that the code change assumes unoccupied port reporting 0xff status does not produce valid device signature. Signed-off-by: Tejun Heo Cc: Joe Jin Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b4fbfebafd2..d2336673601 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2328,11 +2328,14 @@ static inline void ata_tf_to_host(struct ata_port *ap, * Sleep until ATA Status register bit BSY clears, * or a timeout occurs. * - * LOCKING: None. + * LOCKING: + * Kernel thread context (may sleep). + * + * RETURNS: + * 0 on success, -errno otherwise. */ - -unsigned int ata_busy_sleep (struct ata_port *ap, - unsigned long tmout_pat, unsigned long tmout) +int ata_busy_sleep(struct ata_port *ap, + unsigned long tmout_pat, unsigned long tmout) { unsigned long timer_start, timeout; u8 status; @@ -2340,27 +2343,32 @@ unsigned int ata_busy_sleep (struct ata_port *ap, status = ata_busy_wait(ap, ATA_BUSY, 300); timer_start = jiffies; timeout = timer_start + tmout_pat; - while ((status & ATA_BUSY) && (time_before(jiffies, timeout))) { + while (status != 0xff && (status & ATA_BUSY) && + time_before(jiffies, timeout)) { msleep(50); status = ata_busy_wait(ap, ATA_BUSY, 3); } - if (status & ATA_BUSY) + if (status != 0xff && (status & ATA_BUSY)) ata_port_printk(ap, KERN_WARNING, "port is slow to respond, please be patient " "(Status 0x%x)\n", status); timeout = timer_start + tmout; - while ((status & ATA_BUSY) && (time_before(jiffies, timeout))) { + while (status != 0xff && (status & ATA_BUSY) && + time_before(jiffies, timeout)) { msleep(50); status = ata_chk_status(ap); } + if (status == 0xff) + return -ENODEV; + if (status & ATA_BUSY) { ata_port_printk(ap, KERN_ERR, "port failed to respond " "(%lu secs, Status 0x%x)\n", tmout / HZ, status); - return 1; + return -EBUSY; } return 0; @@ -2451,10 +2459,8 @@ static unsigned int ata_bus_softreset(struct ata_port *ap, * the bus shows 0xFF because the odd clown forgets the D7 * pulldown resistor. */ - if (ata_check_status(ap) == 0xFF) { - ata_port_printk(ap, KERN_ERR, "SRST failed (status 0xFF)\n"); - return AC_ERR_OTHER; - } + if (ata_check_status(ap) == 0xFF) + return 0; ata_bus_post_reset(ap, devmask); -- cgit v1.2.3 From 90088bb41200b4da962282dfd45db82544adac3b Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 9 Oct 2006 11:10:26 +0900 Subject: [PATCH] libata: move ata_irq_on() into libata-sff.c ata_irq_on() isn't used outside of libata core layer. The function is TF/SFF interface specific but currently used by core path with some hack too. Move it from include/linux/libata.h to drivers/ata/libata-sff.c. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-sff.c | 29 +++++++++++++++++++++++++++++ drivers/ata/libata.h | 3 +++ 2 files changed, 32 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index e178d6ae8b8..37471d3c1c2 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -38,6 +38,35 @@ #include "libata.h" +/** + * ata_irq_on - Enable interrupts on a port. + * @ap: Port on which interrupts are enabled. + * + * Enable interrupts on a legacy IDE device using MMIO or PIO, + * wait for idle, clear any pending interrupts. + * + * LOCKING: + * Inherited from caller. + */ +u8 ata_irq_on(struct ata_port *ap) +{ + struct ata_ioports *ioaddr = &ap->ioaddr; + u8 tmp; + + ap->ctl &= ~ATA_NIEN; + ap->last_ctl = ap->ctl; + + if (ap->flags & ATA_FLAG_MMIO) + writeb(ap->ctl, (void __iomem *) ioaddr->ctl_addr); + else + outb(ap->ctl, ioaddr->ctl_addr); + tmp = ata_wait_idle(ap); + + ap->ops->irq_clear(ap); + + return tmp; +} + /** * ata_tf_load_pio - send taskfile registers to host controller * @ap: Port to which output is sent diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 0ed263be652..c83300055ec 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -120,4 +120,7 @@ extern void ata_scsi_error(struct Scsi_Host *host); extern void ata_port_wait_eh(struct ata_port *ap); extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc); +/* libata-sff.c */ +extern u8 ata_irq_on(struct ata_port *ap); + #endif /* __LIBATA_H__ */ -- cgit v1.2.3 From 722420fe6e2ab63bebc5a9ea346016b59076d75d Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 28 Sep 2006 17:49:22 +0900 Subject: [PATCH] sata_nv: SRST sometimes fails after hotplug, use HRST_TO_RESUME NV controllers sometimes fail to perform softreset after hotplug. Make it use hardreset to resume link. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_nv.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index e5615be2156..a5771010761 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -442,7 +442,8 @@ static struct ata_port_info nv_port_info[] = { /* generic */ { .sht = &nv_sht, - .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_HRST_TO_RESUME, .pio_mask = NV_PIO_MASK, .mwdma_mask = NV_MWDMA_MASK, .udma_mask = NV_UDMA_MASK, @@ -451,7 +452,8 @@ static struct ata_port_info nv_port_info[] = { /* nforce2/3 */ { .sht = &nv_sht, - .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_HRST_TO_RESUME, .pio_mask = NV_PIO_MASK, .mwdma_mask = NV_MWDMA_MASK, .udma_mask = NV_UDMA_MASK, @@ -460,7 +462,8 @@ static struct ata_port_info nv_port_info[] = { /* ck804 */ { .sht = &nv_sht, - .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_HRST_TO_RESUME, .pio_mask = NV_PIO_MASK, .mwdma_mask = NV_MWDMA_MASK, .udma_mask = NV_UDMA_MASK, -- cgit v1.2.3 From 309afcb5c87b5a41da51cc0c36f61c0e0d43ca9a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sat, 30 Sep 2006 18:07:17 +0900 Subject: [PATCH] libata: make user scan wait for scan to complete Make user scan wait for scan to complete. This way user can wait for warm plug request to complete and is prevented from causing EH event storm by repetitively issuing scan request while EH is in progress. Signed-off-by: Tejun Heo Cc: Fajun Chen Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 47ea111d5ac..6b2553dae48 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3182,10 +3182,12 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, rc = -EINVAL; } - if (rc == 0) + if (rc == 0) { ata_port_schedule_eh(ap); - - spin_unlock_irqrestore(ap->lock, flags); + spin_unlock_irqrestore(ap->lock, flags); + ata_port_wait_eh(ap); + } else + spin_unlock_irqrestore(ap->lock, flags); return rc; } -- cgit v1.2.3 From 28c8f3b4f9ec9a5acffdc846effb0695839ecf37 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 16 Oct 2006 08:47:18 +0900 Subject: [PATCH] sata_sil24: rename PMP related constants Rename PMP related constants for consistency. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_sil24.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 169e200a6a7..64882585a9e 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -100,10 +100,10 @@ enum { */ PORT_REGS_SIZE = 0x2000, - PORT_LRAM = 0x0000, /* 31 LRAM slots and PM regs */ + PORT_LRAM = 0x0000, /* 31 LRAM slots and PMP regs */ PORT_LRAM_SLOT_SZ = 0x0080, /* 32 bytes PRB + 2 SGE, ACT... */ - PORT_PM = 0x0f80, /* 8 bytes PM * 16 (128 bytes) */ + PORT_PMP = 0x0f80, /* 8 bytes PMP * 16 (128 bytes) */ /* 32 bit regs */ PORT_CTRL_STAT = 0x1000, /* write: ctrl-set, read: stat */ PORT_CTRL_CLR = 0x1004, /* write: ctrl-clear */ @@ -139,9 +139,9 @@ enum { PORT_CS_INIT = (1 << 2), /* port initialize */ PORT_CS_IRQ_WOC = (1 << 3), /* interrupt write one to clear */ PORT_CS_CDB16 = (1 << 5), /* 0=12b cdb, 1=16b cdb */ - PORT_CS_RESUME = (1 << 6), /* port resume */ + PORT_CS_PMP_RESUME = (1 << 6), /* PMP resume */ PORT_CS_32BIT_ACTV = (1 << 10), /* 32-bit activation */ - PORT_CS_PM_EN = (1 << 13), /* port multiplier enable */ + PORT_CS_PMP_EN = (1 << 13), /* port multiplier enable */ PORT_CS_RDY = (1 << 31), /* port ready to accept commands */ /* PORT_IRQ_STAT/ENABLE_SET/CLR */ @@ -562,7 +562,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class) /* do SRST */ prb->ctrl = cpu_to_le16(PRB_CTRL_SRST); - prb->fis[1] = 0; /* no PM yet */ + prb->fis[1] = 0; /* no PMP yet */ writel((u32)paddr, port + PORT_CMD_ACTIVATE); writel((u64)paddr >> 32, port + PORT_CMD_ACTIVATE + 4); @@ -1050,7 +1050,8 @@ static void sil24_init_controller(struct pci_dev *pdev, int n_ports, writel(PORT_CS_32BIT_ACTV, port + PORT_CTRL_CLR); /* Clear port multiplier enable and resume bits */ - writel(PORT_CS_PM_EN | PORT_CS_RESUME, port + PORT_CTRL_CLR); + writel(PORT_CS_PMP_EN | PORT_CS_PMP_RESUME, + port + PORT_CTRL_CLR); } /* Turn on interrupts */ -- cgit v1.2.3 From c0c559083a084f9a19443d522b7d95a33701505a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 16 Oct 2006 08:47:18 +0900 Subject: [PATCH] sata_sil24: add PMP related constants Add PMP related constants. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_sil24.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 64882585a9e..5aa288d2fb8 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -104,6 +104,10 @@ enum { PORT_LRAM_SLOT_SZ = 0x0080, /* 32 bytes PRB + 2 SGE, ACT... */ PORT_PMP = 0x0f80, /* 8 bytes PMP * 16 (128 bytes) */ + PORT_PMP_STATUS = 0x0000, /* port device status offset */ + PORT_PMP_QACTIVE = 0x0004, /* port device QActive offset */ + PORT_PMP_SIZE = 0x0008, /* 8 bytes per PMP */ + /* 32 bit regs */ PORT_CTRL_STAT = 0x1000, /* write: ctrl-set, read: stat */ PORT_CTRL_CLR = 0x1004, /* write: ctrl-clear */ @@ -126,6 +130,7 @@ enum { PORT_PHY_CFG = 0x1050, PORT_SLOT_STAT = 0x1800, PORT_CMD_ACTIVATE = 0x1c00, /* 64 bit cmd activate * 31 (248 bytes) */ + PORT_CONTEXT = 0x1e04, PORT_EXEC_DIAG = 0x1e00, /* 32bit exec diag * 16 (64 bytes, 0-10 used on 3124) */ PORT_PSD_DIAG = 0x1e40, /* 32bit psd diag * 16 (64 bytes, 0-8 used on 3124) */ PORT_SCONTROL = 0x1f00, -- cgit v1.2.3 From 4aeb0e3283351351a5381a495ea24537f3bc21cb Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 17:58:33 +0900 Subject: [PATCH] ahci: kill AHCI_FLAG_RESET_NEEDS_CLO Now that ahci_softreset() is fixed to automatically perform CLO if BSY/DRQ is set on entry, AHCI_FLAG_RESET_NEEDS_CLO is redundant. Kill it. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index bddb14e91d3..413270b2c79 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -167,9 +167,8 @@ enum { AHCI_FLAG_MSI = (1 << 0), /* ap->flags bits */ - AHCI_FLAG_RESET_NEEDS_CLO = (1 << 24), - AHCI_FLAG_NO_NCQ = (1 << 25), - AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 26), /* ignore IRQ_IF_ERR */ + AHCI_FLAG_NO_NCQ = (1 << 24), + AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */ }; struct ahci_cmd_hdr { @@ -291,8 +290,7 @@ static const struct ata_port_info ahci_port_info[] = { .sht = &ahci_sht, .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - ATA_FLAG_SKIP_D2H_BSY | - AHCI_FLAG_RESET_NEEDS_CLO | AHCI_FLAG_NO_NCQ, + ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_NO_NCQ, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ .port_ops = &ahci_ops, @@ -729,17 +727,6 @@ static int ahci_clo(struct ata_port *ap) return 0; } -static int ahci_prereset(struct ata_port *ap) -{ - if ((ap->flags & AHCI_FLAG_RESET_NEEDS_CLO) && - (ata_busy_wait(ap, ATA_BUSY, 1000) & ATA_BUSY)) { - /* ATA_BUSY hasn't cleared, so send a CLO */ - ahci_clo(ap); - } - - return ata_std_prereset(ap); -} - static int ahci_softreset(struct ata_port *ap, unsigned int *class) { struct ahci_port_priv *pp = ap->private_data; @@ -1196,7 +1183,7 @@ static void ahci_error_handler(struct ata_port *ap) } /* perform recovery */ - ata_do_eh(ap, ahci_prereset, ahci_softreset, ahci_hardreset, + ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_hardreset, ahci_postreset); } -- cgit v1.2.3 From b6103f6d1659e2024776bc759d28613fb36344a8 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 17:59:53 +0900 Subject: [PATCH] libata: separate out and export sata_port_hardreset() Separate out sata_port_hardreset() from sata_std_hardreset(). This will be used by LLD hardreset implementation and later by PMP. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 52 ++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 42 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d2336673601..315f46841f6 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2786,9 +2786,9 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes) } /** - * sata_std_hardreset - reset host port via SATA phy reset + * sata_port_hardreset - reset port via SATA phy reset * @ap: port to reset - * @class: resulting class of attached device + * @timing: timing parameters { interval, duratinon, timeout } in msec * * SATA phy-reset host port using DET bits of SControl register. * @@ -2798,10 +2798,8 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes) * RETURNS: * 0 on success, -errno otherwise. */ -int sata_std_hardreset(struct ata_port *ap, unsigned int *class) +int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing) { - struct ata_eh_context *ehc = &ap->eh_context; - const unsigned long *timing = sata_ehc_deb_timing(ehc); u32 scontrol; int rc; @@ -2814,24 +2812,24 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class) * and Sil3124. */ if ((rc = sata_scr_read(ap, SCR_CONTROL, &scontrol))) - return rc; + goto out; scontrol = (scontrol & 0x0f0) | 0x304; if ((rc = sata_scr_write(ap, SCR_CONTROL, scontrol))) - return rc; + goto out; sata_set_spd(ap); } /* issue phy wake/reset */ if ((rc = sata_scr_read(ap, SCR_CONTROL, &scontrol))) - return rc; + goto out; scontrol = (scontrol & 0x0f0) | 0x301; if ((rc = sata_scr_write_flush(ap, SCR_CONTROL, scontrol))) - return rc; + goto out; /* Couldn't find anything in SATA I/II specs, but AHCI-1.1 * 10.4.2 says at least 1 ms. @@ -2839,7 +2837,40 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class) msleep(1); /* bring phy back */ - sata_phy_resume(ap, timing); + rc = sata_phy_resume(ap, timing); + out: + DPRINTK("EXIT, rc=%d\n", rc); + return rc; +} + +/** + * sata_std_hardreset - reset host port via SATA phy reset + * @ap: port to reset + * @class: resulting class of attached device + * + * SATA phy-reset host port using DET bits of SControl register, + * wait for !BSY and classify the attached device. + * + * LOCKING: + * Kernel thread context (may sleep) + * + * RETURNS: + * 0 on success, -errno otherwise. + */ +int sata_std_hardreset(struct ata_port *ap, unsigned int *class) +{ + const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context); + int rc; + + DPRINTK("ENTER\n"); + + /* do hardreset */ + rc = sata_port_hardreset(ap, timing); + if (rc) { + ata_port_printk(ap, KERN_ERR, + "COMRESET failed (errno=%d)\n", rc); + return rc; + } /* TODO: phy layer with polling, timeouts, etc. */ if (ata_port_offline(ap)) { @@ -6159,6 +6190,7 @@ EXPORT_SYMBOL_GPL(__sata_phy_reset); EXPORT_SYMBOL_GPL(ata_bus_reset); EXPORT_SYMBOL_GPL(ata_std_prereset); EXPORT_SYMBOL_GPL(ata_std_softreset); +EXPORT_SYMBOL_GPL(sata_port_hardreset); EXPORT_SYMBOL_GPL(sata_std_hardreset); EXPORT_SYMBOL_GPL(ata_std_postreset); EXPORT_SYMBOL_GPL(ata_dev_classify); -- cgit v1.2.3 From ad616ffbda8caf3ce76d2b43027e789d732abf48 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 18:00:24 +0900 Subject: [PATCH] ahci: update ahci-vt8251 reset sequence ahci-vt8251 * requires hardreset after PHY status change * doesn't clear BSY on signature FIS after hardreset * needs SError cleared for the port to operate after hardreset This patch implements ahci_vt8251_hardreset() and sets ATA_FLAG_HRST_TO_RESUME to handle the above behaviors. This fixes EH including hotplug on vt8251. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 76 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 413270b2c79..8a1f4f059a4 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -215,6 +215,7 @@ static u8 ahci_check_status(struct ata_port *ap); static void ahci_freeze(struct ata_port *ap); static void ahci_thaw(struct ata_port *ap); static void ahci_error_handler(struct ata_port *ap); +static void ahci_vt8251_error_handler(struct ata_port *ap); static void ahci_post_internal_cmd(struct ata_queued_cmd *qc); static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg); static int ahci_port_resume(struct ata_port *ap); @@ -274,6 +275,37 @@ static const struct ata_port_operations ahci_ops = { .port_stop = ahci_port_stop, }; +static const struct ata_port_operations ahci_vt8251_ops = { + .port_disable = ata_port_disable, + + .check_status = ahci_check_status, + .check_altstatus = ahci_check_status, + .dev_select = ata_noop_dev_select, + + .tf_read = ahci_tf_read, + + .qc_prep = ahci_qc_prep, + .qc_issue = ahci_qc_issue, + + .irq_handler = ahci_interrupt, + .irq_clear = ahci_irq_clear, + + .scr_read = ahci_scr_read, + .scr_write = ahci_scr_write, + + .freeze = ahci_freeze, + .thaw = ahci_thaw, + + .error_handler = ahci_vt8251_error_handler, + .post_internal_cmd = ahci_post_internal_cmd, + + .port_suspend = ahci_port_suspend, + .port_resume = ahci_port_resume, + + .port_start = ahci_port_start, + .port_stop = ahci_port_stop, +}; + static const struct ata_port_info ahci_port_info[] = { /* board_ahci */ { @@ -290,10 +322,11 @@ static const struct ata_port_info ahci_port_info[] = { .sht = &ahci_sht, .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_NO_NCQ, + ATA_FLAG_SKIP_D2H_BSY | + ATA_FLAG_HRST_TO_RESUME | AHCI_FLAG_NO_NCQ, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ - .port_ops = &ahci_ops, + .port_ops = &ahci_vt8251_ops, }, /* board_ahci_ign_iferr */ { @@ -864,6 +897,31 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class) return rc; } +static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class) +{ + void __iomem *mmio = ap->host->mmio_base; + void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); + int rc; + + DPRINTK("ENTER\n"); + + ahci_stop_engine(port_mmio); + + rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->eh_context)); + + /* vt8251 needs SError cleared for the port to operate */ + ahci_scr_write(ap, SCR_ERROR, ahci_scr_read(ap, SCR_ERROR)); + + ahci_start_engine(port_mmio); + + DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); + + /* vt8251 doesn't clear BSY on signature FIS reception, + * request follow-up softreset. + */ + return rc ?: -EAGAIN; +} + static void ahci_postreset(struct ata_port *ap, unsigned int *class) { void __iomem *port_mmio = (void __iomem *) ap->ioaddr.cmd_addr; @@ -1187,6 +1245,22 @@ static void ahci_error_handler(struct ata_port *ap) ahci_postreset); } +static void ahci_vt8251_error_handler(struct ata_port *ap) +{ + void __iomem *mmio = ap->host->mmio_base; + void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); + + if (!(ap->pflags & ATA_PFLAG_FROZEN)) { + /* restart engine */ + ahci_stop_engine(port_mmio); + ahci_start_engine(port_mmio); + } + + /* perform recovery */ + ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_vt8251_hardreset, + ahci_postreset); +} + static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; -- cgit v1.2.3 From efdaedc443e935eda82e9e78a6e65d1f993d242f Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 18:38:52 +0900 Subject: [PATCH] libata: implement ATA_EHI_PRINTINFO Implement ehi flag ATA_EHI_PRINTINFO. This flag is set when device configuration needs to print out device info. This used to be handled by @print_info argument to ata_dev_configure() but LLDs also need to know about it in ->dev_config() callback. This patch replaces @print_info w/ ATA_EHI_PRINTINFO and make sata_sil print workaround messages only on the initial configuration. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 10 ++++++---- drivers/ata/libata-eh.c | 7 +++++-- drivers/ata/libata.h | 2 +- drivers/ata/sata_sil.c | 11 +++++++---- 4 files changed, 19 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 315f46841f6..e294731a7ed 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1377,7 +1377,6 @@ static void ata_set_port_max_cmd_len(struct ata_port *ap) /** * ata_dev_configure - Configure the specified ATA/ATAPI device * @dev: Target device to configure - * @print_info: Enable device info printout * * Configure @dev according to @dev->id. Generic and low-level * driver specific fixups are also applied. @@ -1388,9 +1387,10 @@ static void ata_set_port_max_cmd_len(struct ata_port *ap) * RETURNS: * 0 on success, -errno otherwise */ -int ata_dev_configure(struct ata_device *dev, int print_info) +int ata_dev_configure(struct ata_device *dev) { struct ata_port *ap = dev->ap; + int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO; const u16 *id = dev->id; unsigned int xfer_mask; char revbuf[7]; /* XYZ-99\0 */ @@ -1638,7 +1638,9 @@ int ata_bus_probe(struct ata_port *ap) if (rc) goto fail; - rc = ata_dev_configure(dev, 1); + ap->eh_context.i.flags |= ATA_EHI_PRINTINFO; + rc = ata_dev_configure(dev); + ap->eh_context.i.flags &= ~ATA_EHI_PRINTINFO; if (rc) goto fail; } @@ -3045,7 +3047,7 @@ int ata_dev_revalidate(struct ata_device *dev, int post_reset) memcpy(dev->id, id, sizeof(id[0]) * ATA_ID_WORDS); /* configure device according to the new ID */ - rc = ata_dev_configure(dev, 0); + rc = ata_dev_configure(dev); if (rc == 0) return 0; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 02b2b2787d9..7c446442616 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1661,8 +1661,11 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, dev->class = ehc->classes[dev->devno]; rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); - if (rc == 0) - rc = ata_dev_configure(dev, 1); + if (rc == 0) { + ehc->i.flags |= ATA_EHI_PRINTINFO; + rc = ata_dev_configure(dev); + ehc->i.flags &= ~ATA_EHI_PRINTINFO; + } if (rc) { dev->class = ATA_DEV_UNKNOWN; diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index c83300055ec..e4ffb2e3899 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -54,7 +54,7 @@ extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, int post_reset, u16 *id); extern int ata_dev_revalidate(struct ata_device *dev, int post_reset); -extern int ata_dev_configure(struct ata_device *dev, int print_info); +extern int ata_dev_configure(struct ata_device *dev); extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index ca8d9931247..f844a1faba1 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -534,6 +534,7 @@ static void sil_thaw(struct ata_port *ap) */ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) { + int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO; unsigned int n, quirks = 0; unsigned char model_num[41]; @@ -549,16 +550,18 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) if (slow_down || ((ap->flags & SIL_FLAG_MOD15WRITE) && (quirks & SIL_QUIRK_MOD15WRITE))) { - ata_dev_printk(dev, KERN_INFO, "applying Seagate errata fix " - "(mod15write workaround)\n"); + if (print_info) + ata_dev_printk(dev, KERN_INFO, "applying Seagate " + "errata fix (mod15write workaround)\n"); dev->max_sectors = 15; return; } /* limit to udma5 */ if (quirks & SIL_QUIRK_UDMA5MAX) { - ata_dev_printk(dev, KERN_INFO, - "applying Maxtor errata fix %s\n", model_num); + if (print_info) + ata_dev_printk(dev, KERN_INFO, "applying Maxtor " + "errata fix %s\n", model_num); dev->udma_mask &= ATA_UDMA5; return; } -- cgit v1.2.3 From baa1e78a834c917984a4659fd282f712c17ee3bf Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 18:39:27 +0900 Subject: [PATCH] libata: implement ATA_EHI_SETMODE and ATA_EHI_POST_SETMODE libata EH used to perform ata_set_mode() iff the EH session performed reset as indicated by ATA_EHI_DID_RESET. This is incorrect because ->dev_config() called by revalidation is allowed to modify transfer mode which ata_set_mode() should take care of. This patch implements the following two flags. * ATA_EHI_SETMODE: set during EH to schedule ata_set_mode(). Both new device attachment and revalidation set this flag. * ATA_EHI_POST_SETMODE: set while the device is revalidated after ata_set_mode(). Post-setmode revalidation is different from initial configuaration and EH revalidation in that ->dev_config() is not allowed tune transfer mode. LLD can use this flag to determine whether it's allowed to tune transfer mode. Note that POST_SETMODE ->dev_config() is guaranteed to be preceded by non-POST_SETMODE ->dev_config(). Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 3 +++ drivers/ata/libata-eh.c | 13 +++++++++++-- 2 files changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index e294731a7ed..5028396029b 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2158,6 +2158,7 @@ int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0) static int ata_dev_set_mode(struct ata_device *dev) { + struct ata_eh_context *ehc = &dev->ap->eh_context; unsigned int err_mask; int rc; @@ -2172,7 +2173,9 @@ static int ata_dev_set_mode(struct ata_device *dev) return -EIO; } + ehc->i.flags |= ATA_EHI_POST_SETMODE; rc = ata_dev_revalidate(dev, 0); + ehc->i.flags &= ~ATA_EHI_POST_SETMODE; if (rc) return rc; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 7c446442616..477648801a6 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1653,6 +1653,11 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, ata_eh_done(ap, dev, ATA_EH_REVALIDATE); + /* Configuration may have changed, reconfigure + * transfer mode. + */ + ehc->i.flags |= ATA_EHI_SETMODE; + /* schedule the scsi_rescan_device() here */ queue_work(ata_aux_wq, &(ap->scsi_rescan_task)); } else if (dev->class == ATA_DEV_UNKNOWN && @@ -1675,6 +1680,9 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, spin_lock_irqsave(ap->lock, flags); ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; spin_unlock_irqrestore(ap->lock, flags); + + /* new device discovered, configure transfer mode */ + ehc->i.flags |= ATA_EHI_SETMODE; } } @@ -1990,13 +1998,14 @@ static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, if (rc) goto dev_fail; - /* configure transfer mode if the port has been reset */ - if (ehc->i.flags & ATA_EHI_DID_RESET) { + /* configure transfer mode if necessary */ + if (ehc->i.flags & ATA_EHI_SETMODE) { rc = ata_set_mode(ap, &dev); if (rc) { down_xfermask = 1; goto dev_fail; } + ehc->i.flags &= ~ATA_EHI_SETMODE; } /* suspend devices */ -- cgit v1.2.3 From 914ed354b373680b648d913161cca6f742f32791 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 1 Nov 2006 18:39:55 +0900 Subject: [PATCH] libata: move dev->max_sectors configuration into ata_dev_configure() Move dev->max_sectors configuration from ata_scsi_dev_config() to ata_dev_configure(). * more consistent. * allows LLDs to peek at the default dev->max_sectors value. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 5 +++++ drivers/ata/libata-scsi.c | 19 +++---------------- 2 files changed, 8 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 5028396029b..f531a89c26c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1533,6 +1533,11 @@ int ata_dev_configure(struct ata_device *dev) cdb_intr_string); } + /* determine max_sectors */ + dev->max_sectors = ATA_MAX_SECTORS; + if (dev->flags & ATA_DFLAG_LBA48) + dev->max_sectors = ATA_MAX_SECTORS_LBA48; + if (dev->horkage & ATA_HORKAGE_DIAGNOSTIC) { /* Let the user know. We don't want to disallow opens for rescue purposes, or in case the vendor is just a blithering diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 6b2553dae48..f13dd07a533 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -807,23 +807,10 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) static void ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) { - unsigned int max_sectors; + /* configure max sectors */ + blk_queue_max_sectors(sdev->request_queue, dev->max_sectors); - /* TODO: 2048 is an arbitrary number, not the - * hardware maximum. This should be increased to - * 65534 when Jens Axboe's patch for dynamically - * determining max_sectors is merged. - */ - max_sectors = ATA_MAX_SECTORS; - if (dev->flags & ATA_DFLAG_LBA48) - max_sectors = ATA_MAX_SECTORS_LBA48; - if (dev->max_sectors) - max_sectors = dev->max_sectors; - - blk_queue_max_sectors(sdev->request_queue, max_sectors); - - /* - * SATA DMA transfers must be multiples of 4 byte, so + /* SATA DMA transfers must be multiples of 4 byte, so * we need to pad ATAPI transfers using an extra sg. * Decrement max hw segments accordingly. */ -- cgit v1.2.3 From 415ae2b5c03b6ed1a041a473885e502d297e1d37 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 1 Nov 2006 05:10:42 -0500 Subject: [libata] ahci: Match PCI class code for AHCI Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 8a1f4f059a4..bc6599e4f47 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -403,6 +403,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 966 */ { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */ + /* Generic, PCI class code for AHCI */ + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + 0x010601, 0xffffff, board_ahci }, + { } /* terminate list */ }; -- cgit v1.2.3 From ada406c8246b0792afe4d7f8ae7606093052de87 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 3 Nov 2006 13:18:06 +0000 Subject: [PATCH] pdc202xx_old: Fix name clashes with PA-RISC pdc_* functions are part of the global namespace for the PDC on PA-RISC systems and this means our choice of pdc_ causes collisions between the PDC globals and our static functions. Rename them to pdc202xx where they are for both 2024x and 2026x. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_pdc202xx_old.c | 58 ++++++++++++++++++++--------------------- 1 file changed, 29 insertions(+), 29 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index 6baf51b2fda..ed8d98557f1 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -21,7 +21,7 @@ #include #define DRV_NAME "pata_pdc202xx_old" -#define DRV_VERSION "0.2.1" +#define DRV_VERSION "0.2.2" /** * pdc2024x_pre_reset - probe begin @@ -63,7 +63,7 @@ static void pdc2026x_error_handler(struct ata_port *ap) } /** - * pdc_configure_piomode - set chip PIO timing + * pdc202xx_configure_piomode - set chip PIO timing * @ap: ATA interface * @adev: ATA device * @pio: PIO mode @@ -73,7 +73,7 @@ static void pdc2026x_error_handler(struct ata_port *ap) * versa */ -static void pdc_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio) +static void pdc202xx_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int port = 0x60 + 4 * ap->port_no + 2 * adev->devno; @@ -98,7 +98,7 @@ static void pdc_configure_piomode(struct ata_port *ap, struct ata_device *adev, } /** - * pdc_set_piomode - set initial PIO mode data + * pdc202xx_set_piomode - set initial PIO mode data * @ap: ATA interface * @adev: ATA device * @@ -106,13 +106,13 @@ static void pdc_configure_piomode(struct ata_port *ap, struct ata_device *adev, * but we want to set the PIO timing by default. */ -static void pdc_set_piomode(struct ata_port *ap, struct ata_device *adev) +static void pdc202xx_set_piomode(struct ata_port *ap, struct ata_device *adev) { - pdc_configure_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); + pdc202xx_configure_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); } /** - * pdc_configure_dmamode - set DMA mode in chip + * pdc202xx_configure_dmamode - set DMA mode in chip * @ap: ATA interface * @adev: ATA device * @@ -120,7 +120,7 @@ static void pdc_set_piomode(struct ata_port *ap, struct ata_device *adev) * to occur. */ -static void pdc_set_dmamode(struct ata_port *ap, struct ata_device *adev) +static void pdc202xx_set_dmamode(struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int port = 0x60 + 4 * ap->port_no + 2 * adev->devno; @@ -184,7 +184,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) /* The DMA clocks may have been trashed by a reset. FIXME: make conditional and move to qc_issue ? */ - pdc_set_dmamode(ap, qc->dev); + pdc202xx_set_dmamode(ap, qc->dev); /* Cases the state machine will not complete correctly without help */ if ((tf->flags & ATA_TFLAG_LBA48) || tf->protocol == ATA_PROT_ATAPI_DMA) @@ -254,7 +254,7 @@ static void pdc2026x_dev_config(struct ata_port *ap, struct ata_device *adev) adev->max_sectors = 256; } -static struct scsi_host_template pdc_sht = { +static struct scsi_host_template pdc202xx_sht = { .module = THIS_MODULE, .name = DRV_NAME, .ioctl = ata_scsi_ioctl, @@ -275,8 +275,8 @@ static struct scsi_host_template pdc_sht = { static struct ata_port_operations pdc2024x_port_ops = { .port_disable = ata_port_disable, - .set_piomode = pdc_set_piomode, - .set_dmamode = pdc_set_dmamode, + .set_piomode = pdc202xx_set_piomode, + .set_dmamode = pdc202xx_set_dmamode, .mode_filter = ata_pci_default_filter, .tf_load = ata_tf_load, .tf_read = ata_tf_read, @@ -308,8 +308,8 @@ static struct ata_port_operations pdc2024x_port_ops = { static struct ata_port_operations pdc2026x_port_ops = { .port_disable = ata_port_disable, - .set_piomode = pdc_set_piomode, - .set_dmamode = pdc_set_dmamode, + .set_piomode = pdc202xx_set_piomode, + .set_dmamode = pdc202xx_set_dmamode, .mode_filter = ata_pci_default_filter, .tf_load = ata_tf_load, .tf_read = ata_tf_read, @@ -340,11 +340,11 @@ static struct ata_port_operations pdc2026x_port_ops = { .host_stop = ata_host_stop }; -static int pdc_init_one(struct pci_dev *dev, const struct pci_device_id *id) +static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id) { static struct ata_port_info info[3] = { { - .sht = &pdc_sht, + .sht = &pdc202xx_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, .mwdma_mask = 0x07, @@ -352,7 +352,7 @@ static int pdc_init_one(struct pci_dev *dev, const struct pci_device_id *id) .port_ops = &pdc2024x_port_ops }, { - .sht = &pdc_sht, + .sht = &pdc202xx_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, .mwdma_mask = 0x07, @@ -360,7 +360,7 @@ static int pdc_init_one(struct pci_dev *dev, const struct pci_device_id *id) .port_ops = &pdc2026x_port_ops }, { - .sht = &pdc_sht, + .sht = &pdc202xx_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, .pio_mask = 0x1f, .mwdma_mask = 0x07, @@ -386,7 +386,7 @@ static int pdc_init_one(struct pci_dev *dev, const struct pci_device_id *id) return ata_pci_init_one(dev, port_info, 2); } -static const struct pci_device_id pdc[] = { +static const struct pci_device_id pdc202xx[] = { { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20246), 0 }, { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20262), 1 }, { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20263), 1 }, @@ -396,28 +396,28 @@ static const struct pci_device_id pdc[] = { { }, }; -static struct pci_driver pdc_pci_driver = { +static struct pci_driver pdc202xx_pci_driver = { .name = DRV_NAME, - .id_table = pdc, - .probe = pdc_init_one, + .id_table = pdc202xx, + .probe = pdc202xx_init_one, .remove = ata_pci_remove_one }; -static int __init pdc_init(void) +static int __init pdc202xx_init(void) { - return pci_register_driver(&pdc_pci_driver); + return pci_register_driver(&pdc202xx_pci_driver); } -static void __exit pdc_exit(void) +static void __exit pdc202xx_exit(void) { - pci_unregister_driver(&pdc_pci_driver); + pci_unregister_driver(&pdc202xx_pci_driver); } MODULE_AUTHOR("Alan Cox"); MODULE_DESCRIPTION("low-level driver for Promise 2024x and 20262-20267"); MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(pci, pdc); +MODULE_DEVICE_TABLE(pci, pdc202xx); MODULE_VERSION(DRV_VERSION); -module_init(pdc_init); -module_exit(pdc_exit); +module_init(pdc202xx_init); +module_exit(pdc202xx_exit); -- cgit v1.2.3 From 98fa4b60c673526fdd478d9719e41cd9e2b84986 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 2 Nov 2006 12:17:23 +0900 Subject: [PATCH] ahci: preserve PORTS_IMPL over host resets Instead of writing 0xf blindly, preserve the content of write-once PORTS_IMPL register over host resets. This patch is taken from Jeff Garzik's AHCI init update patch. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index bc6599e4f47..f2277be70c0 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -421,6 +421,11 @@ static struct pci_driver ahci_pci_driver = { }; +static inline int ahci_nr_ports(u32 cap) +{ + return (cap & 0x1f) + 1; +} + static inline unsigned long ahci_port_base_ul (unsigned long base, unsigned int port) { return base + 0x100 + (port * 0x80); @@ -630,11 +635,12 @@ static int ahci_deinit_port(void __iomem *port_mmio, u32 cap, const char **emsg) static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev) { - u32 cap_save, tmp; + u32 cap_save, impl_save, tmp; cap_save = readl(mmio + HOST_CAP); cap_save &= ( (1<<28) | (1<<17) ); cap_save |= (1 << 27); + impl_save = readl(mmio + HOST_PORTS_IMPL); /* global controller reset */ tmp = readl(mmio + HOST_CTL); @@ -655,10 +661,21 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev) return -EIO; } + /* turn on AHCI mode */ writel(HOST_AHCI_EN, mmio + HOST_CTL); (void) readl(mmio + HOST_CTL); /* flush */ + + /* These write-once registers are normally cleared on reset. + * Restore BIOS values... which we HOPE were present before + * reset. + */ + if (!impl_save) { + impl_save = (1 << ahci_nr_ports(cap_save)) - 1; + dev_printk(KERN_WARNING, &pdev->dev, + "PORTS_IMPL is zero, forcing 0x%x\n", impl_save); + } writel(cap_save, mmio + HOST_CAP); - writel(0xf, mmio + HOST_PORTS_IMPL); + writel(impl_save, mmio + HOST_PORTS_IMPL); (void) readl(mmio + HOST_PORTS_IMPL); /* flush */ if (pdev->vendor == PCI_VENDOR_ID_INTEL) { @@ -1467,7 +1484,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) hpriv->cap = readl(mmio + HOST_CAP); hpriv->port_map = readl(mmio + HOST_PORTS_IMPL); - probe_ent->n_ports = (hpriv->cap & 0x1f) + 1; + probe_ent->n_ports = ahci_nr_ports(hpriv->cap); VPRINTK("cap 0x%x port_map 0x%x n_ports %d\n", hpriv->cap, hpriv->port_map, probe_ent->n_ports); -- cgit v1.2.3 From 4adccf6f447dfa7af6f3af7e12f87829a6fac8dd Mon Sep 17 00:00:00 2001 From: Uwe Koziolek Date: Wed, 8 Nov 2006 09:57:00 +0100 Subject: [PATCH] sata_sis: slave support on SiS965 SiS965 and SiS180 chips must support slave mode, SiS965L and SiS964 chips must not support slave mode. SCR_STATUS for SATA ports in powerdown state fixed. Now returning 0x0113 instead of 0x0117. Avoids problem on detecting sata_sis controller. Signed-off-by: Uwe Koziolek Signed-off-by: Jeff Garzik --- drivers/ata/sata_sis.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index 9d1235ba06b..9c25a1e9173 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -173,7 +173,7 @@ static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) pci_read_config_dword(pdev, cfg_addr+0x10, &val2); - return val|val2; + return (val|val2) & 0xfffffffb; /* avoid problems with powerdowned ports */ } static void sis_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val) @@ -212,7 +212,7 @@ static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg) if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED)) val2 = inl(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10); - return val | val2; + return (val | val2) & 0xfffffffb; } static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) @@ -239,7 +239,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) static int printed_version; struct ata_probe_ent *probe_ent = NULL; int rc; - u32 genctl; + u32 genctl, val; struct ata_port_info pi = sis_port_info, *ppi[2] = { &pi, &pi }; int pci_dev_busy = 0; u8 pmr; @@ -285,17 +285,24 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) if (ent->device != 0x182) { if ((pmr & SIS_PMR_COMBINED) == 0) { dev_printk(KERN_INFO, &pdev->dev, - "Detected SiS 180/181 chipset in SATA mode\n"); + "Detected SiS 180/181/964 chipset in SATA mode\n"); port2_start = 64; } else { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 180/181 chipset in combined mode\n"); port2_start=0; + pi.flags |= ATA_FLAG_SLAVE_POSS; } } else { - dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182 chipset\n"); + pci_read_config_dword ( pdev, 0x6C, &val); + if (val & (1L << 31)) { + dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965 chipset\n"); + pi.flags |= ATA_FLAG_SLAVE_POSS; + } + else + dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182/965L chipset\n"); port2_start = 0x20; } -- cgit v1.2.3 From 0df0d0a0ea9ffcee4e56f96cd9d9e32b0644eb21 Mon Sep 17 00:00:00 2001 From: Alessandro Zummo Date: Tue, 14 Nov 2006 13:43:21 -0500 Subject: [libata] ARM: add ixp4xx PATA driver Signed-off-by: Alessandro Zummo Signed-off-by: Jeff Garzik --- drivers/ata/Kconfig | 10 ++ drivers/ata/Makefile | 1 + drivers/ata/pata_ixp4xx_cf.c | 271 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 282 insertions(+) create mode 100644 drivers/ata/pata_ixp4xx_cf.c (limited to 'drivers') diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 98d0f01c90e..984ab284382 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -508,6 +508,16 @@ config PATA_PLATFORM If unsure, say N. +config PATA_IXP4XX_CF + tristate "IXP4XX Compact Flash support" + depends on ARCH_IXP4XX + help + This option enables support for a Compact Flash connected on + the ixp4xx expansion bus. This driver had been written for + Loft/Avila boards in mind but can work with others. + + If unsure, say N. + endif endmenu diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index f2b3ea2d15d..bc3d81ae757 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_PATA_WINBOND) += pata_sl82c105.o obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o obj-$(CONFIG_PATA_SIS) += pata_sis.o obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o +obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o # Should be last but one libata driver obj-$(CONFIG_ATA_GENERIC) += ata_generic.o diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c new file mode 100644 index 00000000000..d2268bfe6f5 --- /dev/null +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -0,0 +1,271 @@ +/* + * ixp4xx PATA/Compact Flash driver + * Copyright (c) 2006 Tower Technologies + * Author: Alessandro Zummo + * + * An ATA driver to handle a Compact Flash connected + * to the ixp4xx expansion bus in TrueIDE mode. The CF + * must have it chip selects connected to two CS lines + * on the ixp4xx. The interrupt line is optional, if not + * specified the driver will run in polling mode. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "pata_ixp4xx_cf" +#define DRV_VERSION "0.1.1" + +static void ixp4xx_set_mode(struct ata_port *ap) +{ + int i; + + for (i = 0; i < ATA_MAX_DEVICES; i++) { + struct ata_device *dev = &ap->device[i]; + if (ata_dev_enabled(dev)) { + dev->pio_mode = XFER_PIO_0; + dev->xfer_mode = XFER_PIO_0; + dev->xfer_shift = ATA_SHIFT_PIO; + dev->flags |= ATA_DFLAG_PIO; + } + } +} + +static void ixp4xx_phy_reset(struct ata_port *ap) +{ + ap->cbl = ATA_CBL_PATA40; + ata_port_probe(ap); + ata_bus_reset(ap); +} + +static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf, + unsigned int buflen, int write_data) +{ + unsigned int i; + unsigned int words = buflen >> 1; + u16 *buf16 = (u16 *) buf; + struct ata_port *ap = adev->ap; + void __iomem *mmio = (void __iomem *)ap->ioaddr.data_addr; + struct ixp4xx_pata_data *data = ap->host->dev->platform_data; + + /* set the expansion bus in 16bit mode and restore + * 8 bit mode after the transaction. + */ + *data->cs0_cfg &= ~(0x01); + udelay(100); + + /* Transfer multiple of 2 bytes */ + if (write_data) { + for (i = 0; i < words; i++) + writew(buf16[i], mmio); + } else { + for (i = 0; i < words; i++) + buf16[i] = readw(mmio); + } + + /* Transfer trailing 1 byte, if any. */ + if (unlikely(buflen & 0x01)) { + u16 align_buf[1] = { 0 }; + unsigned char *trailing_buf = buf + buflen - 1; + + if (write_data) { + memcpy(align_buf, trailing_buf, 1); + writew(align_buf[0], mmio); + } else { + align_buf[0] = readw(mmio); + memcpy(trailing_buf, align_buf, 1); + } + } + + udelay(100); + *data->cs0_cfg |= 0x01; +} + +static void ixp4xx_irq_clear(struct ata_port *ap) +{ +} + +static void ixp4xx_host_stop (struct ata_host *host) +{ + struct ixp4xx_pata_data *data = host->dev->platform_data; + + iounmap(data->cs0); + iounmap(data->cs1); +} + +static struct scsi_host_template ixp4xx_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .max_sectors = ATA_MAX_SECTORS, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, + .proc_name = DRV_NAME, + .dma_boundary = ATA_DMA_BOUNDARY, + .slave_configure = ata_scsi_slave_config, + .bios_param = ata_std_bios_param, +}; + +static struct ata_port_operations ixp4xx_port_ops = { + .set_mode = ixp4xx_set_mode, + .mode_filter = ata_pci_default_filter, + + .port_disable = ata_port_disable, + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .eng_timeout = ata_eng_timeout, + .data_xfer = ixp4xx_mmio_data_xfer, + + .irq_handler = ata_interrupt, + .irq_clear = ixp4xx_irq_clear, + + .port_start = ata_port_start, + .port_stop = ata_port_stop, + .host_stop = ixp4xx_host_stop, + + .phy_reset = ixp4xx_phy_reset, +}; + +static void ixp4xx_setup_port(struct ata_ioports *ioaddr, + struct ixp4xx_pata_data *data) +{ + ioaddr->cmd_addr = (unsigned long) data->cs0; + ioaddr->altstatus_addr = (unsigned long) data->cs1 + 0x06; + ioaddr->ctl_addr = (unsigned long) data->cs1 + 0x06; + + ata_std_ports(ioaddr); + +#ifndef __ARMEB__ + + /* adjust the addresses to handle the address swizzling of the + * ixp4xx in little endian mode. + */ + + ioaddr->data_addr ^= 0x02; + ioaddr->cmd_addr ^= 0x03; + ioaddr->altstatus_addr ^= 0x03; + ioaddr->ctl_addr ^= 0x03; + ioaddr->error_addr ^= 0x03; + ioaddr->feature_addr ^= 0x03; + ioaddr->nsect_addr ^= 0x03; + ioaddr->lbal_addr ^= 0x03; + ioaddr->lbam_addr ^= 0x03; + ioaddr->lbah_addr ^= 0x03; + ioaddr->device_addr ^= 0x03; + ioaddr->status_addr ^= 0x03; + ioaddr->command_addr ^= 0x03; +#endif +} + +static __devinit int ixp4xx_pata_probe(struct platform_device *pdev) +{ + int ret; + unsigned int irq; + struct resource *cs0, *cs1; + struct ata_probe_ent ae; + + struct ixp4xx_pata_data *data = pdev->dev.platform_data; + + cs0 = platform_get_resource(pdev, IORESOURCE_MEM, 0); + cs1 = platform_get_resource(pdev, IORESOURCE_MEM, 1); + + if (!cs0 || !cs1) + return -EINVAL; + + pdev->dev.coherent_dma_mask = DMA_32BIT_MASK; + + data->cs0 = ioremap(cs0->start, 0x1000); + data->cs1 = ioremap(cs1->start, 0x1000); + + irq = platform_get_irq(pdev, 0); + if (irq) + set_irq_type(irq, IRQT_HIGH); + + /* Setup expansion bus chip selects */ + *data->cs0_cfg = data->cs0_bits; + *data->cs1_cfg = data->cs1_bits; + + memset(&ae, 0, sizeof(struct ata_probe_ent)); + INIT_LIST_HEAD(&ae.node); + + ae.dev = &pdev->dev; + ae.port_ops = &ixp4xx_port_ops; + ae.sht = &ixp4xx_sht; + ae.n_ports = 1; + ae.pio_mask = 0x1f; /* PIO4 */ + ae.irq = irq; + ae.irq_flags = 0; + ae.port_flags = ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY + | ATA_FLAG_NO_ATAPI | ATA_FLAG_SRST; + + /* run in polling mode if no irq has been assigned */ + if (!irq) + ae.port_flags |= ATA_FLAG_PIO_POLLING; + + ixp4xx_setup_port(&ae.port[0], data); + + dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); + + ret = ata_device_add(&ae); + if (ret == 0) + return -ENODEV; + + return 0; +} + +static __devexit int ixp4xx_pata_remove(struct platform_device *dev) +{ + struct ata_host *host = platform_get_drvdata(dev); + + ata_host_remove(host); + platform_set_drvdata(dev, NULL); + + return 0; +} + +static struct platform_driver ixp4xx_pata_platform_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = ixp4xx_pata_probe, + .remove = __devexit_p(ixp4xx_pata_remove), +}; + +static int __init ixp4xx_pata_init(void) +{ + return platform_driver_register(&ixp4xx_pata_platform_driver); +} + +static void __exit ixp4xx_pata_exit(void) +{ + platform_driver_unregister(&ixp4xx_pata_platform_driver); +} + +MODULE_AUTHOR("Alessandro Zummo "); +MODULE_DESCRIPTION("low-level driver for ixp4xx Compact Flash PATA"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +module_init(ixp4xx_pata_init); +module_exit(ixp4xx_pata_exit); -- cgit v1.2.3 From 648a88be4a016d2637ace3ae74b85a0512255ee8 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 9 Nov 2006 15:08:40 +0900 Subject: [PATCH] ahci: honor PORTS_IMPL on ICH8s Some ICH8s use non-linear port mapping. ahci driver didn't use to honor PORTS_IMPL and this made ports after hole nonfunctional. This patch makes ahci mark those ports as dummy and properly initialize all the implemented ports after the dummies. As it's unknown whether other AHCIs implement PORTS_IMPL register properly, new board id board_ahci_pi is added and selectively applied to ICH8s. All other AHCIs continue to use linear mapping regardless of PORTS_IMPL value. Signed-off-by: Tejun Heo Cc: Robin H. Johnson Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 95 ++++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 67 insertions(+), 28 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index f2277be70c0..af3565d1fef 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -53,6 +53,7 @@ enum { AHCI_PCI_BAR = 5, + AHCI_MAX_PORTS = 32, AHCI_MAX_SG = 168, /* hardware max is 64K */ AHCI_DMA_BOUNDARY = 0xffffffff, AHCI_USE_CLUSTERING = 0, @@ -77,8 +78,9 @@ enum { RX_FIS_UNK = 0x60, /* offset of Unknown FIS data */ board_ahci = 0, - board_ahci_vt8251 = 1, - board_ahci_ign_iferr = 2, + board_ahci_pi = 1, + board_ahci_vt8251 = 2, + board_ahci_ign_iferr = 3, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -169,6 +171,7 @@ enum { /* ap->flags bits */ AHCI_FLAG_NO_NCQ = (1 << 24), AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */ + AHCI_FLAG_HONOR_PI = (1 << 26), /* honor PORTS_IMPL */ }; struct ahci_cmd_hdr { @@ -317,6 +320,16 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = 0x7f, /* udma0-6 ; FIXME */ .port_ops = &ahci_ops, }, + /* board_ahci_pi */ + { + .sht = &ahci_sht, + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | + ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_HONOR_PI, + .pio_mask = 0x1f, /* pio0-4 */ + .udma_mask = 0x7f, /* udma0-6 ; FIXME */ + .port_ops = &ahci_ops, + }, /* board_ahci_vt8251 */ { .sht = &ahci_sht, @@ -353,22 +366,22 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */ { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */ { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */ - { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */ - { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */ - { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x2821), board_ahci_pi }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2822), board_ahci_pi }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2824), board_ahci_pi }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2829), board_ahci_pi }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x282a), board_ahci_pi }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x2922), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2923), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2924), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2925), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2927), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2929), board_ahci_pi }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292a), board_ahci_pi }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292b), board_ahci_pi }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292f), board_ahci_pi }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x294d), board_ahci_pi }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x294e), board_ahci_pi }, /* ICH9M */ /* JMicron */ { PCI_VDEVICE(JMICRON, 0x2360), board_ahci_ign_iferr }, /* JMB360 */ @@ -691,7 +704,8 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev) } static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev, - int n_ports, u32 cap) + int n_ports, unsigned int port_flags, + struct ahci_host_priv *hpriv) { int i, rc; u32 tmp; @@ -700,13 +714,12 @@ static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev, void __iomem *port_mmio = ahci_port_base(mmio, i); const char *emsg = NULL; -#if 0 /* BIOSen initialize this incorrectly */ - if (!(hpriv->port_map & (1 << i))) + if ((port_flags & AHCI_FLAG_HONOR_PI) && + !(hpriv->port_map & (1 << i))) continue; -#endif /* make sure port is not active */ - rc = ahci_deinit_port(port_mmio, cap, &emsg); + rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg); if (rc) dev_printk(KERN_WARNING, &pdev->dev, "%s (%d)\n", emsg, rc); @@ -1363,7 +1376,8 @@ static int ahci_pci_device_resume(struct pci_dev *pdev) if (rc) return rc; - ahci_init_controller(mmio, pdev, host->n_ports, hpriv->cap); + ahci_init_controller(mmio, pdev, host->n_ports, + host->ports[0]->flags, hpriv); } ata_host_resume(host); @@ -1475,7 +1489,7 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) struct ahci_host_priv *hpriv = probe_ent->private_data; struct pci_dev *pdev = to_pci_dev(probe_ent->dev); void __iomem *mmio = probe_ent->mmio_base; - unsigned int i, using_dac; + unsigned int i, cap_n_ports, using_dac; int rc; rc = ahci_reset_controller(mmio, pdev); @@ -1484,10 +1498,34 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) hpriv->cap = readl(mmio + HOST_CAP); hpriv->port_map = readl(mmio + HOST_PORTS_IMPL); - probe_ent->n_ports = ahci_nr_ports(hpriv->cap); + cap_n_ports = ahci_nr_ports(hpriv->cap); VPRINTK("cap 0x%x port_map 0x%x n_ports %d\n", - hpriv->cap, hpriv->port_map, probe_ent->n_ports); + hpriv->cap, hpriv->port_map, cap_n_ports); + + if (probe_ent->port_flags & AHCI_FLAG_HONOR_PI) { + unsigned int n_ports = cap_n_ports; + u32 port_map = hpriv->port_map; + int max_port = 0; + + for (i = 0; i < AHCI_MAX_PORTS && n_ports; i++) { + if (port_map & (1 << i)) { + n_ports--; + port_map &= ~(1 << i); + max_port = i; + } else + probe_ent->dummy_port_mask |= 1 << i; + } + + if (n_ports || port_map) + dev_printk(KERN_WARNING, &pdev->dev, + "nr_ports (%u) and implemented port map " + "(0x%x) don't match\n", + cap_n_ports, hpriv->port_map); + + probe_ent->n_ports = max_port + 1; + } else + probe_ent->n_ports = cap_n_ports; using_dac = hpriv->cap & HOST_CAP_64; if (using_dac && @@ -1519,7 +1557,8 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent) for (i = 0; i < probe_ent->n_ports; i++) ahci_setup_port(&probe_ent->port[i], (unsigned long) mmio, i); - ahci_init_controller(mmio, pdev, probe_ent->n_ports, hpriv->cap); + ahci_init_controller(mmio, pdev, probe_ent->n_ports, + probe_ent->port_flags, hpriv); pci_set_master(pdev); -- cgit v1.2.3 From 6fc49adb9417b9c793e8f88d485387bb89ceb733 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sat, 11 Nov 2006 20:10:45 +0900 Subject: [PATCH] libata: use FLUSH_EXT only when driver is larger than LBA28 limit Many drives support LBA48 even when its capacity is smaller than 1<<28, as LBA48 is required for many functionalities. FLUSH_EXT is mandatory for drives w/ LBA48 support. Interestingly, at least one of such drives (ST960812A) has problems dealing with FLUSH_EXT. It eventually completes the command but takes around 7 seconds to finish in many cases thus drastically slowing down IO transactions. This seems to be a firmware bug which sneaked into production probably because no other ATA driver including linux IDE issues FLUSH_EXT to drives which report support for LBA48 & FLUSH_EXT but is smaller than 1<<28 blocks. This patch adds ATA_DFLAG_FLUSH_EXT which is set iff the drive supports LBA48 & FLUSH_EXT and is larger than LBA28 limit. Both cache flush paths are updated to issue FLUSH_EXT only when the flag is set. Note that the changed behavior is more inline with the rest of libata. libata prefers shorter commands whenever possible. Signed-off-by: Tejun Heo Cc: Danny Kukawka Cc: Stefan Seyfried Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 6 +++++- drivers/ata/libata-scsi.c | 3 +-- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f531a89c26c..d94b8a02c34 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1457,6 +1457,10 @@ int ata_dev_configure(struct ata_device *dev) if (ata_id_has_lba48(id)) { dev->flags |= ATA_DFLAG_LBA48; lba_desc = "LBA48"; + + if (dev->n_sectors >= (1UL << 28) && + ata_id_has_flush_ext(id)) + dev->flags |= ATA_DFLAG_FLUSH_EXT; } /* config NCQ */ @@ -5128,7 +5132,7 @@ int ata_flush_cache(struct ata_device *dev) if (!ata_try_flush_cache(dev)) return 0; - if (ata_id_has_flush_ext(dev->id)) + if (dev->flags & ATA_DFLAG_FLUSH_EXT) cmd = ATA_CMD_FLUSH_EXT; else cmd = ATA_CMD_FLUSH; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index f13dd07a533..7a55c2e4ea6 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1027,8 +1027,7 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc, const u8 *scs tf->flags |= ATA_TFLAG_DEVICE; tf->protocol = ATA_PROT_NODATA; - if ((qc->dev->flags & ATA_DFLAG_LBA48) && - (ata_id_has_flush_ext(qc->dev->id))) + if (qc->dev->flags & ATA_DFLAG_FLUSH_EXT) tf->command = ATA_CMD_FLUSH_EXT; else tf->command = ATA_CMD_FLUSH; -- cgit v1.2.3 From b3362f88a8f938fb700fdedf074ec222cba7cf83 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Nov 2006 18:08:10 +0900 Subject: [PATCH] ata_piix: clean up port flags * move common flags into PIIX_PATA_FLAGS and PIIX_SATA_FLAGS * kill unnecessary ATA_FLAG_SRST Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 14b726b9f98..90ac33a7bdc 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -106,6 +106,9 @@ enum { PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */ PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */ + PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS, + PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR, + /* combined mode. if set, PATA is channel 0. * if clear, PATA is channel 1. */ @@ -438,7 +441,7 @@ static struct ata_port_info piix_port_info[] = { /* piix_pata_33: 0: PIIX3 or 4 at 33MHz */ { .sht = &piix_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ .udma_mask = ATA_UDMA_MASK_40C, @@ -448,7 +451,7 @@ static struct ata_port_info piix_port_info[] = { /* ich_pata_33: 1 ICH0 - ICH at 33Mhz*/ { .sht = &piix_sht, - .flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, + .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio 0-4 */ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ .udma_mask = ATA_UDMA2, /* UDMA33 */ @@ -457,7 +460,7 @@ static struct ata_port_info piix_port_info[] = { /* ich_pata_66: 2 ICH controllers up to 66MHz */ { .sht = &piix_sht, - .flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, + .flags = PIIX_PATA_FLAGS, .pio_mask = 0x1f, /* pio 0-4 */ .mwdma_mask = 0x06, /* MWDMA0 is broken on chip */ .udma_mask = ATA_UDMA4, @@ -467,7 +470,7 @@ static struct ata_port_info piix_port_info[] = { /* ich_pata_100: 3 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS | PIIX_FLAG_CHECKINTR, + .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x06, /* mwdma1-2 */ .udma_mask = ATA_UDMA5, /* udma0-5 */ @@ -477,7 +480,7 @@ static struct ata_port_info piix_port_info[] = { /* ich_pata_133: 4 ICH with full UDMA6 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS | PIIX_FLAG_CHECKINTR, + .flags = PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR, .pio_mask = 0x1f, /* pio 0-4 */ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ .udma_mask = ATA_UDMA6, /* UDMA133 */ @@ -487,8 +490,7 @@ static struct ata_port_info piix_port_info[] = { /* ich5_sata: 5 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR | - PIIX_FLAG_IGNORE_PCS, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 */ @@ -498,8 +500,7 @@ static struct ata_port_info piix_port_info[] = { /* i6300esb_sata: 6 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | - PIIX_FLAG_CHECKINTR | PIIX_FLAG_IGNORE_PCS, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 */ @@ -509,8 +510,7 @@ static struct ata_port_info piix_port_info[] = { /* ich6_sata: 7 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | - PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR, + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 */ @@ -520,8 +520,7 @@ static struct ata_port_info piix_port_info[] = { /* ich6_sata_ahci: 8 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | - PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR | + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ @@ -532,8 +531,7 @@ static struct ata_port_info piix_port_info[] = { /* ich6m_sata_ahci: 9 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | - PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR | + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ @@ -544,8 +542,7 @@ static struct ata_port_info piix_port_info[] = { /* ich8_sata_ahci: 10 */ { .sht = &piix_sht, - .flags = ATA_FLAG_SATA | - PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR | + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | PIIX_FLAG_AHCI, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ -- cgit v1.2.3 From bff0464769f2a1bd348265de704471747378e247 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Nov 2006 18:08:10 +0900 Subject: [PATCH] libata: convert @post_reset to @flags in ata_dev_read_id() Make ata_dev_read_id() take @flags instead of @post_reset. Currently there is only one flag defined - ATA_READID_POSTRESET, which is equivalent to @post_reset. This is preparation for polling presence detection. Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 17 +++++++++-------- drivers/ata/libata-eh.c | 11 +++++++---- drivers/ata/libata.h | 9 +++++++-- 3 files changed, 23 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d94b8a02c34..090abe44382 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1224,7 +1224,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) * ata_dev_read_id - Read ID data from the specified device * @dev: target device * @p_class: pointer to class of the target device (may be changed) - * @post_reset: is this read ID post-reset? + * @flags: ATA_READID_* flags * @id: buffer to read IDENTIFY data into * * Read ID data from the specified device. ATA_CMD_ID_ATA is @@ -1239,7 +1239,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) * 0 on success, -errno otherwise. */ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, - int post_reset, u16 *id) + unsigned int flags, u16 *id) { struct ata_port *ap = dev->ap; unsigned int class = *p_class; @@ -1294,7 +1294,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, goto err_out; } - if (post_reset && class == ATA_DEV_ATA) { + if ((flags & ATA_READID_POSTRESET) && class == ATA_DEV_ATA) { /* * The exact sequence expected by certain pre-ATA4 drives is: * SRST RESET @@ -1314,7 +1314,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, /* current CHS translation info (id[53-58]) might be * changed. reread the identify device info. */ - post_reset = 0; + flags &= ~ATA_READID_POSTRESET; goto retry; } } @@ -1643,7 +1643,8 @@ int ata_bus_probe(struct ata_port *ap) if (!ata_dev_enabled(dev)) continue; - rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); + rc = ata_dev_read_id(dev, &dev->class, ATA_READID_POSTRESET, + dev->id); if (rc) goto fail; @@ -3023,7 +3024,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, /** * ata_dev_revalidate - Revalidate ATA device * @dev: device to revalidate - * @post_reset: is this revalidation after reset? + * @readid_flags: read ID flags * * Re-read IDENTIFY page and make sure @dev is still attached to * the port. @@ -3034,7 +3035,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, * RETURNS: * 0 on success, negative errno otherwise */ -int ata_dev_revalidate(struct ata_device *dev, int post_reset) +int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags) { unsigned int class = dev->class; u16 *id = (void *)dev->ap->sector_buf; @@ -3046,7 +3047,7 @@ int ata_dev_revalidate(struct ata_device *dev, int post_reset) } /* read ID data */ - rc = ata_dev_read_id(dev, &class, post_reset, id); + rc = ata_dev_read_id(dev, &class, readid_flags, id); if (rc) goto fail; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 477648801a6..755fc68b537 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1634,11 +1634,14 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, DPRINTK("ENTER\n"); for (i = 0; i < ATA_MAX_DEVICES; i++) { - unsigned int action; + unsigned int action, readid_flags = 0; dev = &ap->device[i]; action = ata_eh_dev_action(dev); + if (ehc->i.flags & ATA_EHI_DID_RESET) + readid_flags |= ATA_READID_POSTRESET; + if (action & ATA_EH_REVALIDATE && ata_dev_ready(dev)) { if (ata_port_offline(ap)) { rc = -EIO; @@ -1646,8 +1649,7 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, } ata_eh_about_to_do(ap, dev, ATA_EH_REVALIDATE); - rc = ata_dev_revalidate(dev, - ehc->i.flags & ATA_EHI_DID_RESET); + rc = ata_dev_revalidate(dev, readid_flags); if (rc) break; @@ -1665,7 +1667,8 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, ata_class_enabled(ehc->classes[dev->devno])) { dev->class = ehc->classes[dev->devno]; - rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); + rc = ata_dev_read_id(dev, &dev->class, readid_flags, + dev->id); if (rc == 0) { ehc->i.flags |= ATA_EHI_PRINTINFO; rc = ata_dev_configure(dev); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index e4ffb2e3899..bb98390aa01 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -39,6 +39,11 @@ struct ata_scsi_args { }; /* libata-core.c */ +enum { + /* flags for ata_dev_read_id() */ + ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */ +}; + extern struct workqueue_struct *ata_aux_wq; extern int atapi_enabled; extern int atapi_dmadir; @@ -52,8 +57,8 @@ extern unsigned ata_exec_internal(struct ata_device *dev, int dma_dir, void *buf, unsigned int buflen); extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, - int post_reset, u16 *id); -extern int ata_dev_revalidate(struct ata_device *dev, int post_reset); + unsigned int flags, u16 *id); +extern int ata_dev_revalidate(struct ata_device *dev, unsigned int flags); extern int ata_dev_configure(struct ata_device *dev); extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); -- cgit v1.2.3 From 55a8e2c83ce50548dfef74bb19dfe2b809cb3099 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Nov 2006 18:08:10 +0900 Subject: [PATCH] libata: implement presence detection via polling IDENTIFY On some controllers (ICHs in piix mode), there is *NO* reliable way to determine device presence other than issuing IDENTIFY and see how the transaction proceeds by watching the TF status register. libata acted this way before irq-pio and phantom devices caused very little problem but now that IDENTIFY is performed using IRQ drive PIO, such phantom devices now result in multiple 30sec timeouts during boot. This patch implements ATA_FLAG_DETECT_POLLING. If a LLD sets this flag, libata core issues the initial IDENTIFY in polling mode and if the initial data transfer fails w/ HSM violation, the port is considered to be empty thus replicating the old libata and IDE behavior. Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 19 +++++++++++++++++-- drivers/ata/libata-eh.c | 23 ++++++++++++++++++----- drivers/ata/libata.h | 2 ++ 3 files changed, 37 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 090abe44382..21f8d61e587 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1272,9 +1272,20 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, tf.protocol = ATA_PROT_PIO; + /* presence detection using polling IDENTIFY? */ + if (flags & ATA_READID_DETECT) + tf.flags |= ATA_TFLAG_POLLING; + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_FROM_DEVICE, id, sizeof(id[0]) * ATA_ID_WORDS); if (err_mask) { + if ((flags & ATA_READID_DETECT) && + (err_mask & AC_ERR_NODEV_HINT)) { + DPRINTK("ata%u.%d: NODEV after polling detection\n", + ap->id, dev->devno); + return -ENOENT; + } + rc = -EIO; reason = "I/O error"; goto err_out; @@ -4285,8 +4296,12 @@ fsm_start: /* device stops HSM for abort/error */ qc->err_mask |= AC_ERR_DEV; else - /* HSM violation. Let EH handle this */ - qc->err_mask |= AC_ERR_HSM; + /* HSM violation. Let EH handle this. + * Phantom devices also trigger this + * condition. Mark hint. + */ + qc->err_mask |= AC_ERR_HSM | + AC_ERR_NODEV_HINT; ap->hsm_task_state = HSM_ST_ERR; goto fsm_start; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 755fc68b537..e69f3df2ea3 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1667,12 +1667,23 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, ata_class_enabled(ehc->classes[dev->devno])) { dev->class = ehc->classes[dev->devno]; + if (ap->flags & ATA_FLAG_DETECT_POLLING) + readid_flags |= ATA_READID_DETECT; + rc = ata_dev_read_id(dev, &dev->class, readid_flags, dev->id); if (rc == 0) { ehc->i.flags |= ATA_EHI_PRINTINFO; rc = ata_dev_configure(dev); ehc->i.flags &= ~ATA_EHI_PRINTINFO; + } else if (rc == -ENOENT) { + /* IDENTIFY was issued to non-existent + * device. No need to reset. Just + * thaw and kill the device. + */ + ata_eh_thaw_port(ap); + dev->class = ATA_DEV_UNKNOWN; + rc = 0; } if (rc) { @@ -1680,12 +1691,14 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, break; } - spin_lock_irqsave(ap->lock, flags); - ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; - spin_unlock_irqrestore(ap->lock, flags); + if (ata_dev_enabled(dev)) { + spin_lock_irqsave(ap->lock, flags); + ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; + spin_unlock_irqrestore(ap->lock, flags); - /* new device discovered, configure transfer mode */ - ehc->i.flags |= ATA_EHI_SETMODE; + /* new device discovered, configure xfermode */ + ehc->i.flags |= ATA_EHI_SETMODE; + } } } diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index bb98390aa01..be2ac39f013 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -42,6 +42,8 @@ struct ata_scsi_args { enum { /* flags for ata_dev_read_id() */ ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */ + ATA_READID_DETECT = (1 << 1), /* perform presence detection + * using polling IDENTIFY */ }; extern struct workqueue_struct *ata_aux_wq; -- cgit v1.2.3 From 228c1590be39872022006ab81fda112a4f35ce47 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Nov 2006 18:08:10 +0900 Subject: [PATCH] ata_piix: apply device detection via polling IDENTIFY PATA PIIX uses reset signature + TF r/w test for device presence detection, which doesn't always work. It sometimes reports phantom device which results in IDENTIFY timeouts. SATA PIIX uses some combination of PCS + reset signature + TF r/w test for device presence detection. No combination satifies all and for some controllers, there doesn't seem to be any combination which works reliably. This patch makes both PATA and SATA piix's use reset signature + TF r/w + polling IDENTIFY for device detection. This is what the old libata (before irq-pio and new EH) did and what IDE does. This patch also removes now obsolete PIIX_FLAG_IGNORE_PCS, force_pcs and related code. Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 104 +++---------------------------------------------- 1 file changed, 6 insertions(+), 98 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 90ac33a7bdc..7bf238638e8 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -101,13 +101,13 @@ enum { ICH5_PCS = 0x92, /* port control and status */ PIIX_SCC = 0x0A, /* sub-class code register */ - PIIX_FLAG_IGNORE_PCS = (1 << 25), /* ignore PCS present bits */ PIIX_FLAG_SCR = (1 << 26), /* SCR available */ PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */ PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */ - PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS, - PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR, + PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS | ATA_FLAG_DETECT_POLLING, + PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR | + ATA_FLAG_DETECT_POLLING, /* combined mode. if set, PATA is channel 0. * if clear, PATA is channel 1. @@ -490,7 +490,7 @@ static struct ata_port_info piix_port_info[] = { /* ich5_sata: 5 */ { .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS, + .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 */ @@ -500,7 +500,7 @@ static struct ata_port_info piix_port_info[] = { /* i6300esb_sata: 6 */ { .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS, + .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 */ @@ -563,11 +563,6 @@ MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, piix_pci_tbl); MODULE_VERSION(DRV_VERSION); -static int force_pcs = 0; -module_param(force_pcs, int, 0444); -MODULE_PARM_DESC(force_pcs, "force honoring or ignoring PCS to work around " - "device mis-detection (0=default, 1=ignore PCS, 2=honor PCS)"); - struct ich_laptop { u16 device; u16 subvendor; @@ -685,84 +680,9 @@ static void ich_pata_error_handler(struct ata_port *ap) ata_std_postreset); } -/** - * piix_sata_present_mask - determine present mask for SATA host controller - * @ap: Target port - * - * Reads SATA PCI device's PCI config register Port Configuration - * and Status (PCS) to determine port and device availability. - * - * LOCKING: - * None (inherited from caller). - * - * RETURNS: - * determined present_mask - */ -static unsigned int piix_sata_present_mask(struct ata_port *ap) -{ - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - struct piix_host_priv *hpriv = ap->host->private_data; - const unsigned int *map = hpriv->map; - int base = 2 * ap->port_no; - unsigned int present_mask = 0; - int port, i; - u16 pcs; - - pci_read_config_word(pdev, ICH5_PCS, &pcs); - DPRINTK("ata%u: ENTER, pcs=0x%x base=%d\n", ap->id, pcs, base); - - for (i = 0; i < 2; i++) { - port = map[base + i]; - if (port < 0) - continue; - if ((ap->flags & PIIX_FLAG_IGNORE_PCS) || - (pcs & 1 << (hpriv->map_db->present_shift + port))) - present_mask |= 1 << i; - } - - DPRINTK("ata%u: LEAVE, pcs=0x%x present_mask=0x%x\n", - ap->id, pcs, present_mask); - - return present_mask; -} - -/** - * piix_sata_softreset - reset SATA host port via ATA SRST - * @ap: port to reset - * @classes: resulting classes of attached devices - * - * Reset SATA host port via ATA SRST. On controllers with - * reliable PCS present bits, the bits are used to determine - * device presence. - * - * LOCKING: - * Kernel thread context (may sleep) - * - * RETURNS: - * 0 on success, -errno otherwise. - */ -static int piix_sata_softreset(struct ata_port *ap, unsigned int *classes) -{ - unsigned int present_mask; - int i, rc; - - present_mask = piix_sata_present_mask(ap); - - rc = ata_std_softreset(ap, classes); - if (rc) - return rc; - - for (i = 0; i < ATA_MAX_DEVICES; i++) { - if (!(present_mask & (1 << i))) - classes[i] = ATA_DEV_NONE; - } - - return 0; -} - static void piix_sata_error_handler(struct ata_port *ap) { - ata_bmdma_drive_eh(ap, ata_std_prereset, piix_sata_softreset, NULL, + ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL, ata_std_postreset); } @@ -1077,18 +997,6 @@ static void __devinit piix_init_pcs(struct pci_dev *pdev, pci_write_config_word(pdev, ICH5_PCS, new_pcs); msleep(150); } - - if (force_pcs == 1) { - dev_printk(KERN_INFO, &pdev->dev, - "force ignoring PCS (0x%x)\n", new_pcs); - pinfo[0].flags |= PIIX_FLAG_IGNORE_PCS; - pinfo[1].flags |= PIIX_FLAG_IGNORE_PCS; - } else if (force_pcs == 2) { - dev_printk(KERN_INFO, &pdev->dev, - "force honoring PCS (0x%x)\n", new_pcs); - pinfo[0].flags &= ~PIIX_FLAG_IGNORE_PCS; - pinfo[1].flags &= ~PIIX_FLAG_IGNORE_PCS; - } } static void __devinit piix_init_sata_map(struct pci_dev *pdev, -- cgit v1.2.3 From 5e56a37c3706498b25049bb556928c461875250f Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Nov 2006 18:08:10 +0900 Subject: [PATCH] ata_piix: strip now unneded MAP related stuff Now that PCS isn't used for device detection anymore... * esb_sata is identical to ich5_sata * no reason to know present_shift * no reason to store map_db in host private area The MAP table itself is left because it can be used for SCR access. Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 39 ++++++++++----------------------------- 1 file changed, 10 insertions(+), 29 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 7bf238638e8..788a269206e 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -125,11 +125,10 @@ enum { ich_pata_100 = 3, /* ICH up to UDMA 100 */ ich_pata_133 = 4, /* ICH up to UDMA 133 */ ich5_sata = 5, - esb_sata = 6, - ich6_sata = 7, - ich6_sata_ahci = 8, - ich6m_sata_ahci = 9, - ich8_sata_ahci = 10, + ich6_sata = 6, + ich6_sata_ahci = 7, + ich6m_sata_ahci = 8, + ich8_sata_ahci = 9, /* constants for mapping table */ P0 = 0, /* port 0 */ @@ -146,13 +145,11 @@ enum { struct piix_map_db { const u32 mask; const u16 port_enable; - const int present_shift; const int map[][4]; }; struct piix_host_priv { const int *map; - const struct piix_map_db *map_db; }; static int piix_init_one (struct pci_dev *pdev, @@ -217,9 +214,9 @@ static const struct pci_device_id piix_pci_tbl[] = { /* 82801EB (ICH5) */ { 0x8086, 0x24df, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, /* 6300ESB (ICH5 variant with broken PCS present bits) */ - { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata }, + { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, /* 6300ESB pretending RAID */ - { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata }, + { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, /* 82801FB/FW (ICH6/ICH6W) */ { 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata }, /* 82801FR/FRW (ICH6R/ICH6RW) */ @@ -370,7 +367,6 @@ static const struct ata_port_operations piix_sata_ops = { static const struct piix_map_db ich5_map_db = { .mask = 0x7, .port_enable = 0x3, - .present_shift = 4, .map = { /* PM PS SM SS MAP */ { P0, NA, P1, NA }, /* 000b */ @@ -387,7 +383,6 @@ static const struct piix_map_db ich5_map_db = { static const struct piix_map_db ich6_map_db = { .mask = 0x3, .port_enable = 0xf, - .present_shift = 4, .map = { /* PM PS SM SS MAP */ { P0, P2, P1, P3 }, /* 00b */ @@ -400,7 +395,6 @@ static const struct piix_map_db ich6_map_db = { static const struct piix_map_db ich6m_map_db = { .mask = 0x3, .port_enable = 0x5, - .present_shift = 4, /* Map 01b isn't specified in the doc but some notebooks use * it anyway. MAP 01b have been spotted on both ICH6M and @@ -418,7 +412,6 @@ static const struct piix_map_db ich6m_map_db = { static const struct piix_map_db ich8_map_db = { .mask = 0x3, .port_enable = 0x3, - .present_shift = 8, .map = { /* PM PS SM SS MAP */ { P0, P2, P1, P3 }, /* 00b (hardwired when in AHCI) */ @@ -430,7 +423,6 @@ static const struct piix_map_db ich8_map_db = { static const struct piix_map_db *piix_map_db_table[] = { [ich5_sata] = &ich5_map_db, - [esb_sata] = &ich5_map_db, [ich6_sata] = &ich6_map_db, [ich6_sata_ahci] = &ich6_map_db, [ich6m_sata_ahci] = &ich6m_map_db, @@ -497,17 +489,7 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, - /* i6300esb_sata: 6 */ - { - .sht = &piix_sht, - .flags = PIIX_SATA_FLAGS, - .pio_mask = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma0-2 */ - .udma_mask = 0x7f, /* udma0-6 */ - .port_ops = &piix_sata_ops, - }, - - /* ich6_sata: 7 */ + /* ich6_sata: 6 */ { .sht = &piix_sht, .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR, @@ -517,7 +499,7 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, - /* ich6_sata_ahci: 8 */ + /* ich6_sata_ahci: 7 */ { .sht = &piix_sht, .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | @@ -528,7 +510,7 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, - /* ich6m_sata_ahci: 9 */ + /* ich6m_sata_ahci: 8 */ { .sht = &piix_sht, .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | @@ -539,7 +521,7 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, - /* ich8_sata_ahci: 10 */ + /* ich8_sata_ahci: 9 */ { .sht = &piix_sht, .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR | @@ -1046,7 +1028,6 @@ static void __devinit piix_init_sata_map(struct pci_dev *pdev, "invalid MAP value %u\n", map_value); hpriv->map = map; - hpriv->map_db = map_db; } /** -- cgit v1.2.3 From 8a93758170a58b5afe3e45d7d5bebbdd401a24c2 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:36:12 +0900 Subject: [PATCH] libata: improve failed qc reporting Improve failed qc reporting. The original message didn't include the actual command nor full error status and it was necessary to temporarily patch the code to find out exactly which command is causing problem. This patch makes EH report full command and result TFs along with data direction and length. This change will make bug reports more useful. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-eh.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index e69f3df2ea3..3771eb83875 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1433,16 +1433,38 @@ static void ata_eh_report(struct ata_port *ap) } for (tag = 0; tag < ATA_MAX_QUEUE; tag++) { + static const char *dma_str[] = { + [DMA_BIDIRECTIONAL] = "bidi", + [DMA_TO_DEVICE] = "out", + [DMA_FROM_DEVICE] = "in", + [DMA_NONE] = "", + }; struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag); + struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf; + unsigned int nbytes; if (!(qc->flags & ATA_QCFLAG_FAILED) || !qc->err_mask) continue; - ata_dev_printk(qc->dev, KERN_ERR, "tag %d cmd 0x%x " - "Emask 0x%x stat 0x%x err 0x%x (%s)\n", - qc->tag, qc->tf.command, qc->err_mask, - qc->result_tf.command, qc->result_tf.feature, - ata_err_string(qc->err_mask)); + nbytes = qc->nbytes; + if (!nbytes) + nbytes = qc->nsect << 9; + + ata_dev_printk(qc->dev, KERN_ERR, + "cmd %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x " + "tag %d data %u %s\n " + "res %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x " + "Emask 0x%x (%s)\n", + cmd->command, cmd->feature, cmd->nsect, + cmd->lbal, cmd->lbam, cmd->lbah, + cmd->hob_feature, cmd->hob_nsect, + cmd->hob_lbal, cmd->hob_lbam, cmd->hob_lbah, + cmd->device, qc->tag, nbytes, dma_str[qc->dma_dir], + res->command, res->feature, res->nsect, + res->lbal, res->lbam, res->lbah, + res->hob_feature, res->hob_nsect, + res->hob_lbal, res->hob_lbam, res->hob_lbah, + res->device, qc->err_mask, ata_err_string(qc->err_mask)); } } -- cgit v1.2.3 From 61c0596c5fbef99df5518ae449be4ab49a2c2233 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:35:43 +0900 Subject: [PATCH] libata: trivial updates to ata_sg_init_one() There's no need to memset &qc->sgent manually, sg_init_one() clears sgent inside it. Also, kill not-so-necessary sg local variable. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 21f8d61e587..a52c0719883 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3491,19 +3491,15 @@ void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen) { - struct scatterlist *sg; - qc->flags |= ATA_QCFLAG_SINGLE; - memset(&qc->sgent, 0, sizeof(qc->sgent)); qc->__sg = &qc->sgent; qc->n_elem = 1; qc->orig_n_elem = 1; qc->buf_virt = buf; qc->nbytes = buflen; - sg = qc->__sg; - sg_init_one(sg, buf, buflen); + sg_init_one(&qc->sgent, buf, buflen); } /** -- cgit v1.2.3 From 39599a5334decc2669ba794fb0ccd2b112ef1ba4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:37:35 +0900 Subject: [PATCH] libata: sync result_tf.flags w/ command tf.flags libata didn't initialize result_tf.flags which indicates transfer type (RW/FUA) and address type (CHS/LBA/LBA48). ata_gen_fixed_sense() assumed result_tf.flags equals command tf.flags and failed to report the first failed block to SCSI layer because zero tf flags indicates CHS and bad block reporting for CHS is not implemented. Implement fill_result_tf() which sets result_tf.flags to command tf.flags and use it to fill result_tf. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a52c0719883..13dcef809e5 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4536,6 +4536,14 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) qc->complete_fn(qc); } +static void fill_result_tf(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + + ap->ops->tf_read(ap, &qc->result_tf); + qc->result_tf.flags = qc->tf.flags; +} + /** * ata_qc_complete - Complete an active ATA command * @qc: Command to complete @@ -4573,7 +4581,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) if (unlikely(qc->flags & ATA_QCFLAG_FAILED)) { if (!ata_tag_internal(qc->tag)) { /* always fill result TF for failed qc */ - ap->ops->tf_read(ap, &qc->result_tf); + fill_result_tf(qc); ata_qc_schedule_eh(qc); return; } @@ -4581,7 +4589,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) /* read result TF if requested */ if (qc->flags & ATA_QCFLAG_RESULT_TF) - ap->ops->tf_read(ap, &qc->result_tf); + fill_result_tf(qc); __ata_qc_complete(qc); } else { @@ -4590,7 +4598,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc) /* read result TF if failed or requested */ if (qc->err_mask || qc->flags & ATA_QCFLAG_RESULT_TF) - ap->ops->tf_read(ap, &qc->result_tf); + fill_result_tf(qc); __ata_qc_complete(qc); } -- cgit v1.2.3 From f38621b3109068adc8430bc2d170ccea59df4261 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:37:35 +0900 Subject: [PATCH] libata: fix passthru sense data header sb[7] should contain the length of whole information sense data descriptor while desc[1] should contain the number of following bytes in the descriptor. ie. 14 for sb[7] but 12 for desc[1]. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 7a55c2e4ea6..87f82827c1b 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -713,12 +713,9 @@ void ata_gen_ata_desc_sense(struct ata_queued_cmd *qc) desc[0] = 0x09; - /* - * Set length of additional sense data. - * Since we only populate descriptor 0, the total - * length is the same (fixed) length as descriptor 0. - */ - desc[1] = sb[7] = 14; + /* set length of additional sense data */ + sb[7] = 14; + desc[1] = 12; /* * Copy registers into sense buffer. -- cgit v1.2.3 From 750426aa1ad1ddd1fa8bb4ed531a7956f3b9a27c Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:37:35 +0900 Subject: [PATCH] libata: cosmetic changes to sense generation functions * s/ata_gen_ata_desc_sense/ata_gen_passthru_sense/ * s/ata_gen_fixed_sense/ata_gen_ata_sense/ * make both functions static * neither function has locking requirement, change it to None. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 87f82827c1b..6626ee1d57d 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -671,7 +671,7 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, } /* - * ata_gen_ata_desc_sense - Generate check condition sense block. + * ata_gen_passthru_sense - Generate check condition sense block. * @qc: Command that completed. * * This function is specific to the ATA descriptor format sense @@ -681,9 +681,9 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, * block. Clear sense key, ASC & ASCQ if there is no error. * * LOCKING: - * spin_lock_irqsave(host lock) + * None. */ -void ata_gen_ata_desc_sense(struct ata_queued_cmd *qc) +static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) { struct scsi_cmnd *cmd = qc->scsicmd; struct ata_taskfile *tf = &qc->result_tf; @@ -743,16 +743,16 @@ void ata_gen_ata_desc_sense(struct ata_queued_cmd *qc) } /** - * ata_gen_fixed_sense - generate a SCSI fixed sense block + * ata_gen_ata_sense - generate a SCSI fixed sense block * @qc: Command that we are erroring out * * Leverage ata_to_sense_error() to give us the codes. Fit our * LBA in here if there's room. * * LOCKING: - * inherited from caller + * None. */ -void ata_gen_fixed_sense(struct ata_queued_cmd *qc) +static void ata_gen_ata_sense(struct ata_queued_cmd *qc) { struct scsi_cmnd *cmd = qc->scsicmd; struct ata_taskfile *tf = &qc->result_tf; @@ -1460,7 +1460,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) */ if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) && ((cdb[2] & 0x20) || need_sense)) { - ata_gen_ata_desc_sense(qc); + ata_gen_passthru_sense(qc); } else { if (!need_sense) { cmd->result = SAM_STAT_GOOD; @@ -1471,7 +1471,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) * good for smaller LBA (and maybe CHS?) * devices. */ - ata_gen_fixed_sense(qc); + ata_gen_ata_sense(qc); } } @@ -2302,7 +2302,7 @@ static void atapi_sense_complete(struct ata_queued_cmd *qc) * a sense descriptors, since that's only * correct for ATA, not ATAPI */ - ata_gen_ata_desc_sense(qc); + ata_gen_passthru_sense(qc); } qc->scsidone(qc->scsicmd); @@ -2377,7 +2377,7 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) * sense descriptors, since that's only * correct for ATA, not ATAPI */ - ata_gen_ata_desc_sense(qc); + ata_gen_passthru_sense(qc); } /* SCSI EH automatically locks door if sdev->locked is @@ -2410,7 +2410,7 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) * a sense descriptors, since that's only * correct for ATA, not ATAPI */ - ata_gen_ata_desc_sense(qc); + ata_gen_passthru_sense(qc); } else { u8 *scsicmd = cmd->cmnd; -- cgit v1.2.3 From 35b649fe2587b2e569c17c022ba3506ba441b6a2 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:37:35 +0900 Subject: [PATCH] libata: implement ata_tf_read_block() Implement ata_tf_read_block(). Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 43 +++++++++++++++++++++++++++++++++++++++++++ drivers/ata/libata.h | 1 + 2 files changed, 44 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 13dcef809e5..3fd7c793270 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -239,6 +239,49 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc) return -1; } +/** + * ata_tf_read_block - Read block address from ATA taskfile + * @tf: ATA taskfile of interest + * @dev: ATA device @tf belongs to + * + * LOCKING: + * None. + * + * Read block address from @tf. This function can handle all + * three address formats - LBA, LBA48 and CHS. tf->protocol and + * flags select the address format to use. + * + * RETURNS: + * Block address read from @tf. + */ +u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev) +{ + u64 block = 0; + + if (tf->flags & ATA_TFLAG_LBA) { + if (tf->flags & ATA_TFLAG_LBA48) { + block |= (u64)tf->hob_lbah << 40; + block |= (u64)tf->hob_lbam << 32; + block |= tf->hob_lbal << 24; + } else + block |= (tf->device & 0xf) << 24; + + block |= tf->lbah << 16; + block |= tf->lbam << 8; + block |= tf->lbal; + } else { + u32 cyl, head, sect; + + cyl = tf->lbam | (tf->lbah << 8); + head = tf->device & 0xf; + sect = tf->lbal; + + block = (cyl * dev->heads + head) * dev->sectors + sect; + } + + return block; +} + /** * ata_pack_xfermask - Pack pio, mwdma and udma masks into xfer_mask * @pio_mask: pio_mask diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index be2ac39f013..2d532da8c39 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -52,6 +52,7 @@ extern int atapi_dmadir; extern int libata_fua; extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc); +extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); extern void ata_dev_disable(struct ata_device *dev); extern void ata_port_flush_task(struct ata_port *ap); extern unsigned ata_exec_internal(struct ata_device *dev, -- cgit v1.2.3 From d25614bad6eec8fb80f3ef5bffbf720ebb7d2412 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:37:35 +0900 Subject: [PATCH] libata: improve SCSI sense data generation Update ata_gen_ata_sense() to use desc format sense data to report the first failed block. The first failed block is read from result_tf using ata_tf_read_block() which can handle all three address formats. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 46 +++++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 6626ee1d57d..56d7e1ea9d7 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -746,53 +746,53 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) * ata_gen_ata_sense - generate a SCSI fixed sense block * @qc: Command that we are erroring out * - * Leverage ata_to_sense_error() to give us the codes. Fit our - * LBA in here if there's room. + * Generate sense block for a failed ATA command @qc. Descriptor + * format is used to accomodate LBA48 block address. * * LOCKING: * None. */ static void ata_gen_ata_sense(struct ata_queued_cmd *qc) { + struct ata_device *dev = qc->dev; struct scsi_cmnd *cmd = qc->scsicmd; struct ata_taskfile *tf = &qc->result_tf; unsigned char *sb = cmd->sense_buffer; + unsigned char *desc = sb + 8; int verbose = qc->ap->ops->error_handler == NULL; + u64 block; memset(sb, 0, SCSI_SENSE_BUFFERSIZE); cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; - /* - * Use ata_to_sense_error() to map status register bits + /* sense data is current and format is descriptor */ + sb[0] = 0x72; + + /* Use ata_to_sense_error() to map status register bits * onto sense key, asc & ascq. */ if (qc->err_mask || tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { ata_to_sense_error(qc->ap->id, tf->command, tf->feature, - &sb[2], &sb[12], &sb[13], verbose); - sb[2] &= 0x0f; + &sb[1], &sb[2], &sb[3], verbose); + sb[1] &= 0x0f; } - sb[0] = 0x70; - sb[7] = 0x0a; + block = ata_tf_read_block(&qc->result_tf, dev); - if (tf->flags & ATA_TFLAG_LBA48) { - /* TODO: find solution for LBA48 descriptors */ - } + /* information sense data descriptor */ + sb[7] = 12; + desc[0] = 0x00; + desc[1] = 10; - else if (tf->flags & ATA_TFLAG_LBA) { - /* A small (28b) LBA will fit in the 32b info field */ - sb[0] |= 0x80; /* set valid bit */ - sb[3] = tf->device & 0x0f; - sb[4] = tf->lbah; - sb[5] = tf->lbam; - sb[6] = tf->lbal; - } - - else { - /* TODO: C/H/S */ - } + desc[2] |= 0x80; /* valid */ + desc[6] = block >> 40; + desc[7] = block >> 32; + desc[8] = block >> 24; + desc[9] = block >> 16; + desc[10] = block >> 8; + desc[11] = block; } static void ata_scsi_sdev_config(struct scsi_device *sdev) -- cgit v1.2.3 From 46b027cc30b6f6571191826afc718fa942403fc8 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Tue, 14 Nov 2006 14:46:17 -0500 Subject: [libata] sata_promise: fix TBG mode register offset Fixes crashes on sparc, and may correct weird behavior reported on occasions, because we were never programming this register correctly (or at all). Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 72eda5160fa..9c4389b5689 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -46,15 +46,14 @@ #include "sata_promise.h" #define DRV_NAME "sata_promise" -#define DRV_VERSION "1.04" +#define DRV_VERSION "1.05" enum { PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */ - PDC_TBG_MODE = 0x41, /* TBG mode */ + PDC_TBG_MODE = 0x41C, /* TBG mode */ PDC_FLASH_CTL = 0x44, /* Flash control register */ - PDC_PCI_CTL = 0x48, /* PCI control and status register */ PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */ PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */ PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */ -- cgit v1.2.3 From b2d1eee1e99e15a80fa9623724d6861a81d2aba4 Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Wed, 22 Nov 2006 22:00:15 +0100 Subject: [PATCH] sata_promise fixes and updates This patch updates the sata_promise driver as follows: - Correct typo in definition of PDC_TBG_MODE: it's at 0x41C not 0x41 in first-generation chips. This error caused PCI access alignment exceptions on SPARC64, and on all platforms it disabled the expected initialisation of TBG mode. - Add flags field to struct pdc_host_priv. Define PDC_FLAG_GEN_II and use it to distinguish first- and second-generation chips. - Prevent the FLASH_CTL FIFO_SHD bit from being set to 1 on second- generation chips. This matches Promises' ulsata2 driver. - Prevent TBG mode and SLEW rate initialisation in second-generation chips. These two registers have moved, TBG mode has been redefined, and Promise's ulsata2 driver no longer attempts to initialise them. - Correct PCI device table so devices 0x3570, 0x3571, and 0x3d73 are marked as 2057x (2nd gen) not 2037x (1st gen). - Correct PCI device table so device 0x3d17 is marked as 40518 (2nd gen 4 ports) not 20319 (1st gen 4 ports). - Correct pdc_ata_init_one() to treat 20771 as a second-generation chip. Tested on 0x3d75 (2nd gen), 0x3d73 (2nd gen), and 0x3373 (1st gen) chips. The information comes from the newly uploaded Promise SATA HW specs, Promise's ultra and ulsata2 drivers, and debugging on 3d75/3d73/3373 chips. hp->hotplug_offset could now be removed and its value recomputed in pdc_host_init() using hp->flags, but that would be a cleanup not a functional change, so I'm ignoring it for now. Signed-off-by: Mikael Pettersson Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 9c4389b5689..8daf5d67dfe 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -52,13 +52,13 @@ enum { PDC_PKT_SUBMIT = 0x40, /* Command packet pointer addr */ PDC_INT_SEQMASK = 0x40, /* Mask of asserted SEQ INTs */ - PDC_TBG_MODE = 0x41C, /* TBG mode */ PDC_FLASH_CTL = 0x44, /* Flash control register */ PDC_GLOBAL_CTL = 0x48, /* Global control/status (per port) */ PDC_CTLSTAT = 0x60, /* IDE control and status (per port) */ PDC_SATA_PLUG_CSR = 0x6C, /* SATA Plug control/status reg */ PDC2_SATA_PLUG_CSR = 0x60, /* SATAII Plug control/status reg */ - PDC_SLEW_CTL = 0x470, /* slew rate control reg */ + PDC_TBG_MODE = 0x41C, /* TBG mode (not SATAII) */ + PDC_SLEW_CTL = 0x470, /* slew rate control reg (not SATAII) */ PDC_ERR_MASK = (1<<19) | (1<<20) | (1<<21) | (1<<22) | (1<<8) | (1<<9) | (1<<10), @@ -77,6 +77,9 @@ enum { PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST | ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING, + + /* hp->flags bits */ + PDC_FLAG_GEN_II = (1 << 0), }; @@ -86,6 +89,7 @@ struct pdc_port_priv { }; struct pdc_host_priv { + unsigned long flags; int hotplug_offset; }; @@ -234,20 +238,20 @@ static const struct ata_port_info pdc_port_info[] = { static const struct pci_device_id pdc_ata_pci_tbl[] = { { PCI_VDEVICE(PROMISE, 0x3371), board_2037x }, - { PCI_VDEVICE(PROMISE, 0x3570), board_2037x }, - { PCI_VDEVICE(PROMISE, 0x3571), board_2037x }, { PCI_VDEVICE(PROMISE, 0x3373), board_2037x }, { PCI_VDEVICE(PROMISE, 0x3375), board_2037x }, { PCI_VDEVICE(PROMISE, 0x3376), board_2037x }, + { PCI_VDEVICE(PROMISE, 0x3570), board_2057x }, + { PCI_VDEVICE(PROMISE, 0x3571), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3574), board_2057x }, + { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x }, - { PCI_VDEVICE(PROMISE, 0x3d73), board_2037x }, { PCI_VDEVICE(PROMISE, 0x3318), board_20319 }, { PCI_VDEVICE(PROMISE, 0x3319), board_20319 }, { PCI_VDEVICE(PROMISE, 0x3515), board_20319 }, { PCI_VDEVICE(PROMISE, 0x3519), board_20319 }, - { PCI_VDEVICE(PROMISE, 0x3d17), board_20319 }, + { PCI_VDEVICE(PROMISE, 0x3d17), board_40518 }, { PCI_VDEVICE(PROMISE, 0x3d18), board_40518 }, { PCI_VDEVICE(PROMISE, 0x6629), board_20619 }, @@ -639,9 +643,11 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) * "TODO: figure out why we do this" */ - /* change FIFO_SHD to 8 dwords, enable BMR_BURST */ + /* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */ tmp = readl(mmio + PDC_FLASH_CTL); - tmp |= 0x12000; /* bit 16 (fifo 8 dw) and 13 (bmr burst?) */ + tmp |= 0x02000; /* bit 13 (enable bmr burst) */ + if (!(hp->flags & PDC_FLAG_GEN_II)) + tmp |= 0x10000; /* bit 16 (fifo threshold at 8 dw) */ writel(tmp, mmio + PDC_FLASH_CTL); /* clear plug/unplug flags for all ports */ @@ -652,6 +658,10 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) tmp = readl(mmio + hotplug_offset); writel(tmp | 0xff0000, mmio + hotplug_offset); + /* don't initialise TBG or SLEW on 2nd generation chips */ + if (hp->flags & PDC_FLAG_GEN_II) + return; + /* reduce TBG clock to 133 Mhz. */ tmp = readl(mmio + PDC_TBG_MODE); tmp &= ~0x30000; /* clear bit 17, 16*/ @@ -745,6 +755,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e /* notice 4-port boards */ switch (board_idx) { case board_40518: + hp->flags |= PDC_FLAG_GEN_II; /* Override hotplug offset for SATAII150 */ hp->hotplug_offset = PDC2_SATA_PLUG_CSR; /* Fall through */ @@ -758,15 +769,14 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->port[3].scr_addr = base + 0x700; break; case board_2057x: + case board_20771: + hp->flags |= PDC_FLAG_GEN_II; /* Override hotplug offset for SATAII150 */ hp->hotplug_offset = PDC2_SATA_PLUG_CSR; /* Fall through */ case board_2037x: probe_ent->n_ports = 2; break; - case board_20771: - probe_ent->n_ports = 2; - break; case board_20619: probe_ent->n_ports = 4; -- cgit v1.2.3 From 54083f114efad2d4fa993c52024f8973c70b9edb Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 15 Nov 2006 16:17:13 +0000 Subject: [PATCH] pata_hpt366 enablebits More enablebits Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_hpt366.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index c0e150a9586..c15c8dc3a6d 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -27,7 +27,7 @@ #include #define DRV_NAME "pata_hpt366" -#define DRV_VERSION "0.5" +#define DRV_VERSION "0.5.1" struct hpt_clock { u8 xfer_speed; @@ -222,9 +222,17 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed) static int hpt36x_pre_reset(struct ata_port *ap) { + static const struct pci_bits hpt36x_enable_bits[] = { + { 0x50, 1, 0x04, 0x04 }, + { 0x54, 1, 0x04, 0x04 } + }; + u8 ata66; struct pci_dev *pdev = to_pci_dev(ap->host->dev); + if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no])) + return -ENOENT; + pci_read_config_byte(pdev, 0x5A, &ata66); if (ata66 & (1 << ap->port_no)) ap->cbl = ATA_CBL_PATA40; -- cgit v1.2.3 From f7e37ba83fd3e92411dfc97d08eaf9d85dfac2ee Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:21:03 +0000 Subject: [PATCH] pata_cs5530: suspend/resume support The 5530 needs various set up performing both at init time and resume time. To keep the code clean the common setup code is moved into a new function and called from both handlers. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_cs5530.c | 99 +++++++++++++++++++++++++++++------------------ 1 file changed, 62 insertions(+), 37 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index 981f4922346..265012b16bb 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -35,7 +35,7 @@ #include #define DRV_NAME "pata_cs5530" -#define DRV_VERSION "0.6" +#define DRV_VERSION "0.7.1" /** * cs5530_set_piomode - PIO setup @@ -182,6 +182,8 @@ static struct scsi_host_template cs5530_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations cs5530_port_ops = { @@ -239,38 +241,18 @@ static int cs5530_is_palmax(void) return 0; } + /** - * cs5530_init_one - Initialise a CS5530 - * @dev: PCI device - * @id: Entry in match table + * cs5530_init_chip - Chipset init * - * Install a driver for the newly found CS5530 companion chip. Most of - * this is just housekeeping. We have to set the chip up correctly and - * turn off various bits of emulation magic. + * Perform the chip initialisation work that is shared between both + * setup and resume paths */ - -static int cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id) + +static int cs5530_init_chip(void) { - int compiler_warning_pointless_fix; - struct pci_dev *master_0 = NULL, *cs5530_0 = NULL; - static struct ata_port_info info = { - .sht = &cs5530_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, - .udma_mask = 0x07, - .port_ops = &cs5530_port_ops - }; - /* The docking connector doesn't do UDMA, and it seems not MWDMA */ - static struct ata_port_info info_palmax_secondary = { - .sht = &cs5530_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, - .pio_mask = 0x1f, - .port_ops = &cs5530_port_ops - }; - static struct ata_port_info *port_info[2] = { &info, &info }; + struct pci_dev *master_0 = NULL, *cs5530_0 = NULL, *dev = NULL; - dev = NULL; while ((dev = pci_get_device(PCI_VENDOR_ID_CYRIX, PCI_ANY_ID, dev)) != NULL) { switch (dev->device) { case PCI_DEVICE_ID_CYRIX_PCI_MASTER: @@ -291,7 +273,7 @@ static int cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id) } pci_set_master(cs5530_0); - compiler_warning_pointless_fix = pci_set_mwi(cs5530_0); + pci_set_mwi(cs5530_0); /* * Set PCI CacheLineSize to 16-bytes: @@ -339,13 +321,7 @@ static int cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id) pci_dev_put(master_0); pci_dev_put(cs5530_0); - - if (cs5530_is_palmax()) - port_info[1] = &info_palmax_secondary; - - /* Now kick off ATA set up */ - return ata_pci_init_one(dev, port_info, 2); - + return 0; fail_put: if (master_0) pci_dev_put(master_0); @@ -354,6 +330,53 @@ fail_put: return -ENODEV; } +/** + * cs5530_init_one - Initialise a CS5530 + * @dev: PCI device + * @id: Entry in match table + * + * Install a driver for the newly found CS5530 companion chip. Most of + * this is just housekeeping. We have to set the chip up correctly and + * turn off various bits of emulation magic. + */ + +static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id) +{ + static struct ata_port_info info = { + .sht = &cs5530_sht, + .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = 0x07, + .port_ops = &cs5530_port_ops + }; + /* The docking connector doesn't do UDMA, and it seems not MWDMA */ + static struct ata_port_info info_palmax_secondary = { + .sht = &cs5530_sht, + .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .pio_mask = 0x1f, + .port_ops = &cs5530_port_ops + }; + static struct ata_port_info *port_info[2] = { &info, &info }; + + /* Chip initialisation */ + if (cs5530_init_chip()) + return -ENODEV; + + if (cs5530_is_palmax()) + port_info[1] = &info_palmax_secondary; + + /* Now kick off ATA set up */ + return ata_pci_init_one(pdev, port_info, 2); +} + +static int cs5530_reinit_one(struct pci_dev *pdev) +{ + /* If we fail on resume we are doomed */ + BUG_ON(cs5530_init_chip()); + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id cs5530[] = { { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), }, @@ -364,7 +387,9 @@ static struct pci_driver cs5530_pci_driver = { .name = DRV_NAME, .id_table = cs5530, .probe = cs5530_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = cs5530_reinit_one, }; static int __init cs5530_init(void) -- cgit v1.2.3 From d39ca896fb9a25f80465d3e52872cf5c510762a8 Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:18:30 +0000 Subject: [PATCH] pata_jmicron: fix JMB368 support, add suspend/resume handling This (and the pci resume quirk code) get the JMicron controllers to resume properly. Without this patch the drive mapping changes when you suspend/resume which is not good at all.... Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_jmicron.c | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 0210b10d49c..c9f0a543b27 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -19,7 +19,7 @@ #include #define DRV_NAME "pata_jmicron" -#define DRV_VERSION "0.1.2" +#define DRV_VERSION "0.1.4" typedef enum { PORT_PATA0 = 0, @@ -213,12 +213,11 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i /* FIXME: We may want a way to override this in future */ pci_write_config_byte(pdev, 0x41, 0xa1); - } - - /* PATA controller is fn 1, AHCI is fn 0 */ - if (PCI_FUNC(pdev->devfn) != 1) - return -ENODEV; + /* PATA controller is fn 1, AHCI is fn 0 */ + if (PCI_FUNC(pdev->devfn) != 1) + return -ENODEV; + } if ( id->driver_data == 365 || id->driver_data == 366) { /* The 365/66 have two PATA channels, redirect the second */ pci_read_config_dword(pdev, 0x80, ®); @@ -229,6 +228,27 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i return ata_pci_init_one(pdev, port_info, 2); } +static int jmicron_reinit_one(struct pci_dev *pdev) +{ + u32 reg; + + switch(pdev->device) { + case PCI_DEVICE_ID_JMICRON_JMB368: + break; + case PCI_DEVICE_ID_JMICRON_JMB365: + case PCI_DEVICE_ID_JMICRON_JMB366: + /* Restore mapping or disks swap and boy does it get ugly */ + pci_read_config_dword(pdev, 0x80, ®); + reg |= (1 << 24); /* IDE1 to PATA IDE secondary */ + pci_write_config_dword(pdev, 0x80, reg); + /* Fall through */ + default: + /* Make sure AHCI is turned back on */ + pci_write_config_byte(pdev, 0x41, 0xa1); + } + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id jmicron_pci_tbl[] = { { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB361), 361}, { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB363), 363}, @@ -244,6 +264,8 @@ static struct pci_driver jmicron_pci_driver = { .id_table = jmicron_pci_tbl, .probe = jmicron_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = jmicron_reinit_one, }; static int __init jmicron_init(void) -- cgit v1.2.3 From 34d8dfb1e6b51dbd6eefcb449b531c7ee773664c Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:26:06 +0000 Subject: [PATCH] pata_ali: suspend/resume support Various chipset functions must be reprogrammed on a resume from RAM, without this things like ATAPI DMA stop working on resume with some chipset variants. Split the chipset programming and init time method selection into two functions. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_ali.c | 135 ++++++++++++++++++++++++++++++------------------- 1 file changed, 84 insertions(+), 51 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index e6d2b840e87..ae6d573574c 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -34,7 +34,7 @@ #include #define DRV_NAME "pata_ali" -#define DRV_VERSION "0.6.6" +#define DRV_VERSION "0.7.1" /* * Cable special cases @@ -348,6 +348,8 @@ static struct scsi_host_template ali_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; /* @@ -497,6 +499,69 @@ static struct ata_port_operations ali_c5_port_ops = { .host_stop = ata_host_stop }; + +/** + * ali_init_chipset - chip setup function + * @pdev: PCI device of ATA controller + * + * Perform the setup on the device that must be done both at boot + * and at resume time. + */ + +static void ali_init_chipset(struct pci_dev *pdev) +{ + u8 rev, tmp; + struct pci_dev *north, *isa_bridge; + + pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); + + /* + * The chipset revision selects the driver operations and + * mode data. + */ + + if (rev >= 0x20 && rev < 0xC2) { + /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ + pci_read_config_byte(pdev, 0x4B, &tmp); + /* Clear CD-ROM DMA write bit */ + tmp &= 0x7F; + pci_write_config_byte(pdev, 0x4B, tmp); + } else if (rev >= 0xC2) { + /* Enable cable detection logic */ + pci_read_config_byte(pdev, 0x4B, &tmp); + pci_write_config_byte(pdev, 0x4B, tmp | 0x08); + } + north = pci_get_slot(pdev->bus, PCI_DEVFN(0,0)); + isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); + + if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { + /* Configure the ALi bridge logic. For non ALi rely on BIOS. + Set the south bridge enable bit */ + pci_read_config_byte(isa_bridge, 0x79, &tmp); + if (rev == 0xC2) + pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); + else if (rev > 0xC2) + pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); + } + if (rev >= 0x20) { + /* + * CD_ROM DMA on (0x53 bit 0). Enable this even if we want + * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control + * via 0x54/55. + */ + pci_read_config_byte(pdev, 0x53, &tmp); + if (rev <= 0x20) + tmp &= ~0x02; + if (rev >= 0xc7) + tmp |= 0x03; + else + tmp |= 0x01; /* CD_ROM enable for DMA */ + pci_write_config_byte(pdev, 0x53, tmp); + } + pci_dev_put(isa_bridge); + pci_dev_put(north); + ata_pci_clear_simplex(pdev); +} /** * ali_init_one - discovery callback * @pdev: PCI device ID @@ -570,7 +635,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) static struct ata_port_info *port_info[2]; u8 rev, tmp; - struct pci_dev *north, *isa_bridge; + struct pci_dev *isa_bridge; pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); @@ -582,11 +647,6 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (rev < 0x20) { port_info[0] = port_info[1] = &info_early; } else if (rev < 0xC2) { - /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ - pci_read_config_byte(pdev, 0x4B, &tmp); - /* Clear CD-ROM DMA write bit */ - tmp &= 0x7F; - pci_write_config_byte(pdev, 0x4B, tmp); port_info[0] = port_info[1] = &info_20; } else if (rev == 0xC2) { port_info[0] = port_info[1] = &info_c2; @@ -597,54 +657,25 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } else port_info[0] = port_info[1] = &info_c5; - if (rev >= 0xC2) { - /* Enable cable detection logic */ - pci_read_config_byte(pdev, 0x4B, &tmp); - pci_write_config_byte(pdev, 0x4B, tmp | 0x08); - } - - north = pci_get_slot(pdev->bus, PCI_DEVFN(0,0)); + ali_init_chipset(pdev); + isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); - - if (north && north->vendor == PCI_VENDOR_ID_AL) { - /* Configure the ALi bridge logic. For non ALi rely on BIOS. - Set the south bridge enable bit */ - pci_read_config_byte(isa_bridge, 0x79, &tmp); - if (rev == 0xC2) - pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); - else if (rev > 0xC2) - pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); + if (isa_bridge && rev >= 0x20 && rev < 0xC2) { + /* Are we paired with a UDMA capable chip */ + pci_read_config_byte(isa_bridge, 0x5E, &tmp); + if ((tmp & 0x1E) == 0x12) + port_info[0] = port_info[1] = &info_20_udma; + pci_dev_put(isa_bridge); } - - if (rev >= 0x20) { - if (rev < 0xC2) { - /* Are we paired with a UDMA capable chip */ - pci_read_config_byte(isa_bridge, 0x5E, &tmp); - if ((tmp & 0x1E) == 0x12) - port_info[0] = port_info[1] = &info_20_udma; - } - /* - * CD_ROM DMA on (0x53 bit 0). Enable this even if we want - * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control - * via 0x54/55. - */ - pci_read_config_byte(pdev, 0x53, &tmp); - if (rev <= 0x20) - tmp &= ~0x02; - if (rev >= 0xc7) - tmp |= 0x03; - else - tmp |= 0x01; /* CD_ROM enable for DMA */ - pci_write_config_byte(pdev, 0x53, tmp); - } - - pci_dev_put(isa_bridge); - pci_dev_put(north); - - ata_pci_clear_simplex(pdev); return ata_pci_init_one(pdev, port_info, 2); } +static int ali_reinit_one(struct pci_dev *pdev) +{ + ali_init_chipset(pdev); + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id ali[] = { { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), }, { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), }, @@ -656,7 +687,9 @@ static struct pci_driver ali_pci_driver = { .name = DRV_NAME, .id_table = ali, .probe = ali_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ali_reinit_one, }; static int __init ali_init(void) -- cgit v1.2.3 From ad4a42d287546888349ad24d351673a59f429ee8 Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:23:37 +0000 Subject: [PATCH] pata_rz1000: Force readahead off on resume The RZ1000 is a generic device except that it has a readahead fifo flaw that corrupts. We force this off at init time but we want to be paranoid and force it off at resume as well. I don't know of any actual hardware that supports both RZ1000 and suspend to RAM but given its a disk muncher better safe than sorry. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_rz1000.c | 48 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c index e4e5ea423fe..21567aba82d 100644 --- a/drivers/ata/pata_rz1000.c +++ b/drivers/ata/pata_rz1000.c @@ -21,7 +21,7 @@ #include #define DRV_NAME "pata_rz1000" -#define DRV_VERSION "0.2.2" +#define DRV_VERSION "0.2.3" /** @@ -92,6 +92,8 @@ static struct scsi_host_template rz1000_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations rz1000_port_ops = { @@ -129,6 +131,19 @@ static struct ata_port_operations rz1000_port_ops = { .host_stop = ata_host_stop }; +static int rz1000_fifo_disable(struct pci_dev *pdev) +{ + u16 reg; + /* Be exceptionally paranoid as we must be sure to apply the fix */ + if (pci_read_config_word(pdev, 0x40, ®) != 0) + return -1; + reg &= 0xDFFF; + if (pci_write_config_word(pdev, 0x40, reg) != 0) + return -1; + printk(KERN_INFO DRV_NAME ": disabled chipset readahead.\n"); + return 0; +} + /** * rz1000_init_one - Register RZ1000 ATA PCI device with kernel services * @pdev: PCI device to register @@ -143,7 +158,6 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en { static int printed_version; struct ata_port_info *port_info[2]; - u16 reg; static struct ata_port_info info = { .sht = &rz1000_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, @@ -154,23 +168,25 @@ static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *en if (!printed_version++) printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n"); - /* Be exceptionally paranoid as we must be sure to apply the fix */ - if (pci_read_config_word(pdev, 0x40, ®) != 0) - goto fail; - reg &= 0xDFFF; - if (pci_write_config_word(pdev, 0x40, reg) != 0) - goto fail; - printk(KERN_INFO DRV_NAME ": disabled chipset readahead.\n"); - - port_info[0] = &info; - port_info[1] = &info; - return ata_pci_init_one(pdev, port_info, 2); -fail: + if (rz1000_fifo_disable(pdev) == 0) { + port_info[0] = &info; + port_info[1] = &info; + return ata_pci_init_one(pdev, port_info, 2); + } printk(KERN_ERR DRV_NAME ": failed to disable read-ahead on chipset..\n"); /* Not safe to use so skip */ return -ENODEV; } +static int rz1000_reinit_one(struct pci_dev *pdev) +{ + /* If this fails on resume (which is a "cant happen" case), we + must stop as any progress risks data loss */ + if (rz1000_fifo_disable(pdev)) + panic("rz1000 fifo"); + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id pata_rz1000[] = { { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000), }, { PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001), }, @@ -182,7 +198,9 @@ static struct pci_driver rz1000_pci_driver = { .name = DRV_NAME, .id_table = pata_rz1000, .probe = rz1000_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = rz1000_reinit_one, }; static int __init rz1000_init(void) -- cgit v1.2.3 From 8550c1637ba7dd96a76353eb52d31088f9c2f5fe Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:28:41 +0000 Subject: [PATCH] pata_sil680 suspend/resume The SI680 can come back from s2ram with the clocks disabled (crash time) or wrong (ugly as this can cause CRC errors, and in theory corruption). On a resume we must put the clock back. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_sil680.c | 82 +++++++++++++++++++++++++++++++---------------- 1 file changed, 55 insertions(+), 27 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 11942fd03b5..5d3b42ec8e4 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -33,7 +33,7 @@ #include #define DRV_NAME "pata_sil680" -#define DRV_VERSION "0.3.2" +#define DRV_VERSION "0.4.1" /** * sil680_selreg - return register base @@ -263,32 +263,20 @@ static struct ata_port_operations sil680_port_ops = { .host_stop = ata_host_stop }; -static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id) +/** + * sil680_init_chip - chip setup + * @pdev: PCI device + * + * Perform all the chip setup which must be done both when the device + * is powered up on boot and when we resume in case we resumed from RAM. + * Returns the final clock settings. + */ + +static u8 sil680_init_chip(struct pci_dev *pdev) { - static struct ata_port_info info = { - .sht = &sil680_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, - .udma_mask = 0x7f, - .port_ops = &sil680_port_ops - }; - static struct ata_port_info info_slow = { - .sht = &sil680_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, - .udma_mask = 0x3f, - .port_ops = &sil680_port_ops - }; - static struct ata_port_info *port_info[2] = {&info, &info}; - static int printed_version; u32 class_rev = 0; u8 tmpbyte = 0; - if (!printed_version++) - dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); - pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); class_rev &= 0xff; /* FIXME: double check */ @@ -323,8 +311,6 @@ static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_read_config_byte(pdev, 0x8A, &tmpbyte); printk(KERN_INFO "sil680: BA5_EN = %d clock = %02X\n", tmpbyte & 1, tmpbyte & 0x30); - if ((tmpbyte & 0x30) == 0) - port_info[0] = port_info[1] = &info_slow; pci_write_config_byte(pdev, 0xA1, 0x72); pci_write_config_word(pdev, 0xA2, 0x328A); @@ -343,11 +329,51 @@ static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id) case 0x20: printk(KERN_INFO "sil680: Using PCI clock.\n");break; /* This last case is _NOT_ ok */ case 0x30: printk(KERN_ERR "sil680: Clock disabled ?\n"); - return -EIO; + } + return tmpbyte & 0x30; +} + +static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id) +{ + static struct ata_port_info info = { + .sht = &sil680_sht, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = 0x7f, + .port_ops = &sil680_port_ops + }; + static struct ata_port_info info_slow = { + .sht = &sil680_sht, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = 0x3f, + .port_ops = &sil680_port_ops + }; + static struct ata_port_info *port_info[2] = {&info, &info}; + static int printed_version; + + if (!printed_version++) + dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); + + switch(sil680_init_chip(pdev)) + { + case 0: + port_info[0] = port_info[1] = &info_slow; + break; + case 0x30: + return -ENODEV; } return ata_pci_init_one(pdev, port_info, 2); } +static int sil680_reinit_one(struct pci_dev *pdev) +{ + sil680_init_chip(pdev); + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id sil680[] = { { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_680), }, @@ -358,7 +384,9 @@ static struct pci_driver sil680_pci_driver = { .name = DRV_NAME, .id_table = sil680, .probe = sil680_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = sil680_reinit_one, }; static int __init sil680_init(void) -- cgit v1.2.3 From 30ced0f0d211999f316930eff7287aa5a9995bef Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 16:57:36 +0000 Subject: [PATCH] PATA libata: suspend/resume simple cases This patch adds the suspend/resume callbacks for drivers which don't need any additional help (beyond the pci resume quirk patch I posted earlier anyway). Also bring version numbers back inline with master copies. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/ata_generic.c | 8 ++++++-- drivers/ata/pata_atiixp.c | 8 ++++++-- drivers/ata/pata_cs5535.c | 6 +++++- drivers/ata/pata_cypress.c | 8 ++++++-- drivers/ata/pata_efar.c | 6 +++++- drivers/ata/pata_marvell.c | 6 +++++- drivers/ata/pata_mpiix.c | 8 ++++++-- drivers/ata/pata_netcell.c | 6 +++++- drivers/ata/pata_ns87410.c | 8 ++++++-- drivers/ata/pata_oldpiix.c | 4 ++++ drivers/ata/pata_opti.c | 33 ++++++--------------------------- drivers/ata/pata_optidma.c | 8 ++++++-- drivers/ata/pata_radisys.c | 4 ++++ drivers/ata/pata_sc1200.c | 8 ++++++-- drivers/ata/pata_triflex.c | 8 ++++++-- 15 files changed, 82 insertions(+), 47 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 1b9ba4dfac6..c7e8f033125 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -26,7 +26,7 @@ #include #define DRV_NAME "ata_generic" -#define DRV_VERSION "0.2.7" +#define DRV_VERSION "0.2.10" /* * A generic parallel ATA driver using libata @@ -118,6 +118,8 @@ static struct scsi_host_template generic_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations generic_port_ops = { @@ -226,7 +228,9 @@ static struct pci_driver ata_generic_pci_driver = { .name = DRV_NAME, .id_table = ata_generic, .probe = ata_generic_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init ata_generic_init(void) diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 4e1d3b59adb..7d9e391b0d1 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -22,7 +22,7 @@ #include #define DRV_NAME "pata_atiixp" -#define DRV_VERSION "0.4.3" +#define DRV_VERSION "0.4.4" enum { ATIIXP_IDE_PIO_TIMING = 0x40, @@ -218,6 +218,8 @@ static struct scsi_host_template atiixp_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations atiixp_port_ops = { @@ -281,7 +283,9 @@ static struct pci_driver atiixp_pci_driver = { .name = DRV_NAME, .id_table = atiixp, .probe = atiixp_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .resume = ata_pci_device_resume, + .suspend = ata_pci_device_suspend, }; static int __init atiixp_init(void) diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 8dafa4a49fd..38c00f62876 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -39,7 +39,7 @@ #include #define DRV_NAME "cs5535" -#define DRV_VERSION "0.2.10" +#define DRV_VERSION "0.2.11" /* * The Geode (Aka Athlon GX now) uses an internal MSR based @@ -186,6 +186,8 @@ static struct scsi_host_template cs5535_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations cs5535_port_ops = { @@ -269,6 +271,8 @@ static struct pci_driver cs5535_pci_driver = { .id_table = cs5535, .probe = cs5535_init_one, .remove = ata_pci_remove_one + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init cs5535_init(void) diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 5a0b811907e..6352bc7df60 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -18,7 +18,7 @@ #include #define DRV_NAME "pata_cypress" -#define DRV_VERSION "0.1.2" +#define DRV_VERSION "0.1.4" /* here are the offset definitions for the registers */ @@ -137,6 +137,8 @@ static struct scsi_host_template cy82c693_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations cy82c693_port_ops = { @@ -204,7 +206,9 @@ static struct pci_driver cy82c693_pci_driver = { .name = DRV_NAME, .id_table = cy82c693, .probe = cy82c693_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init cy82c693_init(void) diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 755f79279de..56589834483 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -22,7 +22,7 @@ #include #define DRV_NAME "pata_efar" -#define DRV_VERSION "0.4.2" +#define DRV_VERSION "0.4.3" /** * efar_pre_reset - check for 40/80 pin @@ -235,6 +235,8 @@ static struct scsi_host_template efar_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations efar_ops = { @@ -316,6 +318,8 @@ static struct pci_driver efar_pci_driver = { .id_table = efar_pci_tbl, .probe = efar_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init efar_init(void) diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 1ea64075c78..a5953c38926 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -20,7 +20,7 @@ #include #define DRV_NAME "pata_marvell" -#define DRV_VERSION "0.0.5u" +#define DRV_VERSION "0.1.1" /** * marvell_pre_reset - check for 40/80 pin @@ -103,6 +103,8 @@ static struct scsi_host_template marvell_sht = { .slave_configure = ata_scsi_slave_config, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations marvell_ops = { @@ -197,6 +199,8 @@ static struct pci_driver marvell_pci_driver = { .id_table = marvell_pci_tbl, .probe = marvell_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init marvell_init(void) diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index e00d406bfdf..752a7418ed5 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -35,7 +35,7 @@ #include #define DRV_NAME "pata_mpiix" -#define DRV_VERSION "0.7.2" +#define DRV_VERSION "0.7.3" enum { IDETIM = 0x6C, /* IDE control register */ @@ -168,6 +168,8 @@ static struct scsi_host_template mpiix_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations mpiix_port_ops = { @@ -285,7 +287,9 @@ static struct pci_driver mpiix_pci_driver = { .name = DRV_NAME, .id_table = mpiix, .probe = mpiix_init_one, - .remove = mpiix_remove_one + .remove = mpiix_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init mpiix_init(void) diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index 1963a4d3587..956616789ba 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -16,7 +16,7 @@ #include #define DRV_NAME "pata_netcell" -#define DRV_VERSION "0.1.5" +#define DRV_VERSION "0.1.6" /** * netcell_probe_init - check for 40/80 pin @@ -65,6 +65,8 @@ static struct scsi_host_template netcell_sht = { .slave_destroy = ata_scsi_slave_destroy, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations netcell_ops = { @@ -153,6 +155,8 @@ static struct pci_driver netcell_pci_driver = { .id_table = netcell_pci_tbl, .probe = netcell_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init netcell_init(void) diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c index 7ec800f00ec..428e6b511a2 100644 --- a/drivers/ata/pata_ns87410.c +++ b/drivers/ata/pata_ns87410.c @@ -28,7 +28,7 @@ #include #define DRV_NAME "pata_ns87410" -#define DRV_VERSION "0.4.2" +#define DRV_VERSION "0.4.3" /** * ns87410_pre_reset - probe begin @@ -158,6 +158,8 @@ static struct scsi_host_template ns87410_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations ns87410_port_ops = { @@ -210,7 +212,9 @@ static struct pci_driver ns87410_pci_driver = { .name = DRV_NAME, .id_table = ns87410, .probe = ns87410_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init ns87410_init(void) diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 8837256632e..1283fb71bd5 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -233,6 +233,8 @@ static struct scsi_host_template oldpiix_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations oldpiix_pata_ops = { @@ -314,6 +316,8 @@ static struct pci_driver oldpiix_pci_driver = { .id_table = oldpiix_pci_tbl, .probe = oldpiix_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init oldpiix_init(void) diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c index c6319cf50de..66f561db2ab 100644 --- a/drivers/ata/pata_opti.c +++ b/drivers/ata/pata_opti.c @@ -34,7 +34,7 @@ #include #define DRV_NAME "pata_opti" -#define DRV_VERSION "0.2.5" +#define DRV_VERSION "0.2.7" enum { READ_REG = 0, /* index of Read cycle timing register */ @@ -109,30 +109,6 @@ static void opti_write_reg(struct ata_port *ap, u8 val, int reg) outb(0x83, regio + 2); } -#if 0 -/** - * opti_read_reg - control register read - * @ap: ATA port - * @reg: control register number - * - * The Opti uses magic 'trapdoor' register accesses to do configuration - * rather than using PCI space as other controllers do. The double inw - * on the error register activates configuration mode. We can then read - * the control register - */ - -static u8 opti_read_reg(struct ata_port *ap, int reg) -{ - unsigned long regio = ap->ioaddr.cmd_addr; - u8 ret; - inw(regio + 1); - inw(regio + 1); - outb(3, regio + 2); - ret = inb(regio + reg); - outb(0x83, regio + 2); -} -#endif - /** * opti_set_piomode - set initial PIO mode data * @ap: ATA interface @@ -204,12 +180,13 @@ static struct scsi_host_template opti_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations opti_port_ops = { .port_disable = ata_port_disable, .set_piomode = opti_set_piomode, -/* .set_dmamode = opti_set_dmamode, */ .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -267,7 +244,9 @@ static struct pci_driver opti_pci_driver = { .name = DRV_NAME, .id_table = opti, .probe = opti_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init opti_init(void) diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index 2f4770cce04..d898e42f99e 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -33,7 +33,7 @@ #include #define DRV_NAME "pata_optidma" -#define DRV_VERSION "0.2.2" +#define DRV_VERSION "0.2.3" enum { READ_REG = 0, /* index of Read cycle timing register */ @@ -361,6 +361,8 @@ static struct scsi_host_template optidma_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations optidma_port_ops = { @@ -522,7 +524,9 @@ static struct pci_driver optidma_pci_driver = { .name = DRV_NAME, .id_table = optidma, .probe = optidma_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init optidma_init(void) diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index 048c2bb21ef..5fe7ffce528 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -229,6 +229,8 @@ static struct scsi_host_template radisys_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations radisys_pata_ops = { @@ -311,6 +313,8 @@ static struct pci_driver radisys_pci_driver = { .id_table = radisys_pci_tbl, .probe = radisys_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init radisys_init(void) diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index 0c75dae7476..0c5393a7397 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -40,7 +40,7 @@ #include #define DRV_NAME "sc1200" -#define DRV_VERSION "0.2.3" +#define DRV_VERSION "0.2.4" #define SC1200_REV_A 0x00 #define SC1200_REV_B1 0x01 @@ -195,6 +195,8 @@ static struct scsi_host_template sc1200_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations sc1200_port_ops = { @@ -264,7 +266,9 @@ static struct pci_driver sc1200_pci_driver = { .name = DRV_NAME, .id_table = sc1200, .probe = sc1200_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init sc1200_init(void) diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index bfda1f7e760..ece9cb7c2f4 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -43,7 +43,7 @@ #include #define DRV_NAME "pata_triflex" -#define DRV_VERSION "0.2.5" +#define DRV_VERSION "0.2.7" /** * triflex_prereset - probe begin @@ -194,6 +194,8 @@ static struct scsi_host_template triflex_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations triflex_port_ops = { @@ -258,7 +260,9 @@ static struct pci_driver triflex_pci_driver = { .name = DRV_NAME, .id_table = triflex, .probe = triflex_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init triflex_init(void) -- cgit v1.2.3 From 8501120f1df1aa6abe38b51ab91df08ccaa1b971 Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 17:01:06 +0000 Subject: [PATCH] pata_cs5520: resume support The CS5520 doesn't need much help to resume but we do need to restore pcicfg which may have been reset to the BIOS default which is sometimes incorrect. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_cs5520.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 33d2b88f9c7..f839c0304b3 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -41,7 +41,7 @@ #include #define DRV_NAME "pata_cs5520" -#define DRV_VERSION "0.6.2" +#define DRV_VERSION "0.6.3" struct pio_clocks { @@ -168,6 +168,8 @@ static struct scsi_host_template cs5520_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations cs5520_port_ops = { @@ -297,6 +299,22 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev) dev_set_drvdata(dev, NULL); } +/** + * cs5520_reinit_one - device resume + * @pdev: PCI device + * + * Do any reconfiguration work needed by a resume from RAM. We need + * to restore DMA mode support on BIOSen which disabled it + */ + +static int cs5520_reinit_one(struct pci_dev *pdev) +{ + u8 pcicfg; + pci_read_config_byte(pdev, 0x60, &pcicfg); + if ((pcicfg & 0x40) == 0) + pci_write_config_byte(pdev, 0x60, pcicfg | 0x40); + return ata_pci_device_resume(pdev); +} /* For now keep DMA off. We can set it for all but A rev CS5510 once the core ATA code can handle it */ @@ -311,7 +329,9 @@ static struct pci_driver cs5520_pci_driver = { .name = DRV_NAME, .id_table = pata_cs5520, .probe = cs5520_init_one, - .remove = cs5520_remove_one + .remove = cs5520_remove_one, + .suspend = ata_pci_device_suspend, + .resume = cs5520_reinit_one, }; static int __init cs5520_init(void) -- cgit v1.2.3 From 7f72a379146913dc5f2751383722cdedb8998bc9 Mon Sep 17 00:00:00 2001 From: Alan Date: Wed, 22 Nov 2006 16:59:07 +0000 Subject: [PATCH] pata_cmd64x: suspend/resume On a resume of the CMD64x we must restore MRDMODE and latency if the BIOS didn't get them right originally. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_cmd64x.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 29a60df465d..3376f3f4bad 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -31,7 +31,7 @@ #include #define DRV_NAME "pata_cmd64x" -#define DRV_VERSION "0.2.1" +#define DRV_VERSION "0.2.2" /* * CMD64x specific registers definition. @@ -277,6 +277,8 @@ static struct scsi_host_template cmd64x_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations cmd64x_port_ops = { @@ -469,6 +471,20 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +static int cmd64x_reinit_one(struct pci_dev *pdev) +{ + u8 mrdmode; + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64); + pci_read_config_byte(pdev, MRDMODE, &mrdmode); + mrdmode &= ~ 0x30; /* IRQ set up */ + mrdmode |= 0x02; /* Memory read line enable */ + pci_write_config_byte(pdev, MRDMODE, mrdmode); +#ifdef CONFIG_PPC + pci_write_config_byte(pdev, UDIDETCR0, 0xF0); +#endif + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id cmd64x[] = { { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_643), 0 }, { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_646), 1 }, @@ -482,7 +498,9 @@ static struct pci_driver cmd64x_pci_driver = { .name = DRV_NAME, .id_table = cmd64x, .probe = cmd64x_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = cmd64x_reinit_one, }; static int __init cmd64x_init(void) -- cgit v1.2.3 From 38e0d56e67849720d306e2d7cd1a2793deec9644 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:16:35 +0000 Subject: [PATCH] pata_serverworks suspend/resume The Serverworks chips need various fixups doing on a resume from RAM. Conveniently the needed functions were already split out ready for re-use Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_serverworks.c | 32 ++++++++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index be7f60efcb6..0fa803e6399 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -41,7 +41,7 @@ #include #define DRV_NAME "pata_serverworks" -#define DRV_VERSION "0.3.7" +#define DRV_VERSION "0.3.9" #define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ #define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ @@ -327,6 +327,8 @@ static struct scsi_host_template serverworks_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations serverworks_osb4_port_ops = { @@ -554,6 +556,30 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id return ata_pci_init_one(pdev, port_info, ports); } +static int serverworks_reinit_one(struct pci_dev *pdev) +{ + /* Force master latency timer to 64 PCI clocks */ + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); + + switch (pdev->device) + { + case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: + serverworks_fixup_osb4(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: + ata_pci_clear_simplex(pdev); + /* fall through */ + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: + serverworks_fixup_csb(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: + serverworks_fixup_ht1000(pdev); + break; + } + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id serverworks[] = { { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0}, { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2}, @@ -568,7 +594,9 @@ static struct pci_driver serverworks_pci_driver = { .name = DRV_NAME, .id_table = serverworks, .probe = serverworks_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = serverworks_reinit_one, }; static int __init serverworks_init(void) -- cgit v1.2.3 From f535d53f3f8bc8243ad2167d7127f6efba9b46cb Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:14:36 +0000 Subject: [PATCH] pata_it821x: Suspend/Resume support If you are using the noraid option then after a suspend/resume sequence we need to reset the card back out of raid mode again. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_it821x.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 7f68f14be6f..d57ac741cc0 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -80,7 +80,7 @@ #define DRV_NAME "pata_it821x" -#define DRV_VERSION "0.3.2" +#define DRV_VERSION "0.3.3" struct it821x_dev { @@ -677,6 +677,8 @@ static struct scsi_host_template it821x_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations it821x_smart_port_ops = { @@ -809,6 +811,14 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +static int it821x_reinit_one(struct pci_dev *pdev) +{ + /* Resume - turn raid back off if need be */ + if (it8212_noraid) + it821x_disable_raid(pdev); + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id it821x[] = { { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8211), }, { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8212), }, @@ -820,7 +830,9 @@ static struct pci_driver it821x_pci_driver = { .name = DRV_NAME, .id_table = it821x, .probe = it821x_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = it821x_reinit_one, }; static int __init it821x_init(void) -- cgit v1.2.3 From c304193a005b5262671c1389b1cae96d7afc952a Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:21:24 +0000 Subject: [PATCH] pata_amd: suspend/resume Early AMD chips require FIFO and/or simplex flag clearing work on resume from RAM. Most devices need no help Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_amd.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 8be46a63af7..d9571206e58 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -25,7 +25,7 @@ #include #define DRV_NAME "pata_amd" -#define DRV_VERSION "0.2.4" +#define DRV_VERSION "0.2.7" /** * timing_setup - shared timing computation and load @@ -335,6 +335,8 @@ static struct scsi_host_template amd_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations amd33_port_ops = { @@ -662,6 +664,23 @@ static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +static int amd_reinit_one(struct pci_dev *pdev) +{ + if (pdev->vendor == PCI_VENDOR_ID_AMD) { + u8 fifo; + pci_read_config_byte(pdev, 0x41, &fifo); + if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411) + /* FIFO is broken */ + pci_write_config_byte(pdev, 0x41, fifo & 0x0F); + else + pci_write_config_byte(pdev, 0x41, fifo | 0xF0); + if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 || + pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401) + ata_pci_clear_simplex(pdev); + } + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id amd[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 }, @@ -689,7 +708,9 @@ static struct pci_driver amd_pci_driver = { .name = DRV_NAME, .id_table = amd, .probe = amd_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = amd_reinit_one, }; static int __init amd_init(void) -- cgit v1.2.3 From 627d2d3261a42c9b5b0a02a1f8d0ae5414729cb9 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:19:36 +0000 Subject: [PATCH] pata_via suspend/resume support The major VIA issues were handled by the quirks update for resume quirks. The ATA driver also has to do some work however when resuming from RAM. Certain chips need the FIFO reconfiguring, and the 66MHz clock setup updating. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_via.c | 94 ++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 76 insertions(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index c5f1616d224..489bd5796e7 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -60,7 +60,7 @@ #include #define DRV_NAME "pata_via" -#define DRV_VERSION "0.1.14" +#define DRV_VERSION "0.2.0" /* * The following comes directly from Vojtech Pavlik's ide/pci/via82cxxx @@ -297,6 +297,8 @@ static struct scsi_host_template via_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations via_port_ops = { @@ -369,9 +371,43 @@ static struct ata_port_operations via_port_ops_noirq = { .host_stop = ata_host_stop }; +/** + * via_config_fifo - set up the FIFO + * @pdev: PCI device + * @flags: configuration flags + * + * Set the FIFO properties for this device if neccessary. Used both on + * set up and on and the resume path + */ + +static void via_config_fifo(struct pci_dev *pdev, unsigned int flags) +{ + u8 enable; + + /* 0x40 low bits indicate enabled channels */ + pci_read_config_byte(pdev, 0x40 , &enable); + enable &= 3; + + if (flags & VIA_SET_FIFO) { + u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20}; + u8 fifo; + + pci_read_config_byte(pdev, 0x43, &fifo); + + /* Clear PREQ# until DDACK# for errata */ + if (flags & VIA_BAD_PREQ) + fifo &= 0x7F; + else + fifo &= 0x9f; + /* Turn on FIFO for enabled channels */ + fifo |= fifo_setting[enable]; + pci_write_config_byte(pdev, 0x43, fifo); + } +} + /** * via_init_one - discovery callback - * @pdev: PCI device ID + * @pdev: PCI device * @id: PCI table info * * A VIA IDE interface has been discovered. Figure out what revision @@ -471,21 +507,8 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } /* Initialise the FIFO for the enabled channels. */ - if (config->flags & VIA_SET_FIFO) { - u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20}; - u8 fifo; - - pci_read_config_byte(pdev, 0x43, &fifo); - - /* Clear PREQ# until DDACK# for errata */ - if (config->flags & VIA_BAD_PREQ) - fifo &= 0x7F; - else - fifo &= 0x9f; - /* Turn on FIFO for enabled channels */ - fifo |= fifo_setting[enable]; - pci_write_config_byte(pdev, 0x43, fifo); - } + via_config_fifo(pdev, config->flags); + /* Clock set up */ switch(config->flags & VIA_UDMA) { case VIA_UDMA_NONE: @@ -529,6 +552,39 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +/** + * via_reinit_one - reinit after resume + * @pdev; PCI device + * + * Called when the VIA PATA device is resumed. We must then + * reconfigure the fifo and other setup we may have altered. In + * addition the kernel needs to have the resume methods on PCI + * quirk supported. + */ + +static int via_reinit_one(struct pci_dev *pdev) +{ + u32 timing; + struct ata_host *host = dev_get_drvdata(&pdev->dev); + const struct via_isa_bridge *config = host->private_data; + + via_config_fifo(pdev, config->flags); + + if ((config->flags & VIA_UDMA) == VIA_UDMA_66) { + /* The 66 MHz devices require we enable the clock */ + pci_read_config_dword(pdev, 0x50, &timing); + timing |= 0x80008; + pci_write_config_dword(pdev, 0x50, timing); + } + if (config->flags & VIA_BAD_CLK66) { + /* Disable the 66MHz clock on problem devices */ + pci_read_config_dword(pdev, 0x50, &timing); + timing &= ~0x80008; + pci_write_config_dword(pdev, 0x50, timing); + } + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), }, { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), }, @@ -542,7 +598,9 @@ static struct pci_driver via_pci_driver = { .name = DRV_NAME, .id_table = via, .probe = via_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = via_reinit_one, }; static int __init via_init(void) -- cgit v1.2.3 From aa54ab1eff30f1e5859acf4e15f0730288373ee5 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:24:15 +0000 Subject: [PATCH] hpt36x: Suspend/resume support Another chipset which needs some reconfiguration after a resume. All the chip setup is moved to a new function called in both setup and resume. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_hpt366.c | 49 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index c15c8dc3a6d..25d3cd7e74f 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -27,7 +27,7 @@ #include #define DRV_NAME "pata_hpt366" -#define DRV_VERSION "0.5.1" +#define DRV_VERSION "0.5.3" struct hpt_clock { u8 xfer_speed; @@ -339,6 +339,8 @@ static struct scsi_host_template hpt36x_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; /* @@ -380,6 +382,27 @@ static struct ata_port_operations hpt366_port_ops = { .host_stop = ata_host_stop }; +/** + * hpt36x_init_chipset - common chip setup + * @dev: PCI device + * + * Perform the chip setup work that must be done at both init and + * resume time + */ + +static void hpt36x_init_chipset(struct pci_dev *dev) +{ + u8 drive_fast; + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); + pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); + pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); + + pci_read_config_byte(dev, 0x51, &drive_fast); + if (drive_fast & 0x80) + pci_write_config_byte(dev, 0x51, drive_fast & ~0x80); +} + /** * hpt36x_init_one - Initialise an HPT366/368 * @dev: PCI device @@ -415,7 +438,6 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) u32 class_rev; u32 reg1; - u8 drive_fast; pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); class_rev &= 0xFF; @@ -425,14 +447,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) if (class_rev > 2) return -ENODEV; - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); - pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); - pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); - - pci_read_config_byte(dev, 0x51, &drive_fast); - if (drive_fast & 0x80) - pci_write_config_byte(dev, 0x51, drive_fast & ~0x80); + hpt36x_init_chipset(dev); pci_read_config_dword(dev, 0x40, ®1); @@ -453,9 +468,15 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) return ata_pci_init_one(dev, port_info, 2); } +static int hpt36x_reinit_one(struct pci_dev *dev) +{ + hpt36x_init_chipset(dev); + return ata_pci_device_resume(dev); +} + + static const struct pci_device_id hpt36x[] = { { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT366), }, - { }, }; @@ -463,7 +484,9 @@ static struct pci_driver hpt36x_pci_driver = { .name = DRV_NAME, .id_table = hpt36x, .probe = hpt36x_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = hpt36x_reinit_one, }; static int __init hpt36x_init(void) @@ -471,13 +494,11 @@ static int __init hpt36x_init(void) return pci_register_driver(&hpt36x_pci_driver); } - static void __exit hpt36x_exit(void) { pci_unregister_driver(&hpt36x_pci_driver); } - MODULE_AUTHOR("Alan Cox"); MODULE_DESCRIPTION("low-level driver for the Highpoint HPT366/368"); MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 62d64ae0ec76360736c9dc4ca2067ae8de0ba9f2 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:27:20 +0000 Subject: [PATCH] pata : more drivers that need only standard suspend and resume Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_pdc202xx_old.c | 8 ++++++-- drivers/ata/pata_sis.c | 6 +++++- 2 files changed, 11 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index ed8d98557f1..81a134cca3c 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -21,7 +21,7 @@ #include #define DRV_NAME "pata_pdc202xx_old" -#define DRV_VERSION "0.2.2" +#define DRV_VERSION "0.2.3" /** * pdc2024x_pre_reset - probe begin @@ -271,6 +271,8 @@ static struct scsi_host_template pdc202xx_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations pdc2024x_port_ops = { @@ -400,7 +402,9 @@ static struct pci_driver pdc202xx_pci_driver = { .name = DRV_NAME, .id_table = pdc202xx, .probe = pdc202xx_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init pdc202xx_init(void) diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 91e85f90941..695e571540c 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -34,7 +34,7 @@ #include #define DRV_NAME "pata_sis" -#define DRV_VERSION "0.4.4" +#define DRV_VERSION "0.4.5" struct sis_chipset { u16 device; /* PCI host ID */ @@ -547,6 +547,8 @@ static struct scsi_host_template sis_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static const struct ata_port_operations sis_133_ops = { @@ -1000,6 +1002,8 @@ static struct pci_driver sis_pci_driver = { .id_table = sis_pci_tbl, .probe = sis_init_one, .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = ata_pci_device_resume, }; static int __init sis_init(void) -- cgit v1.2.3 From aff0df0593f4beea42800115c0658f58c03dfe9f Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:25:51 +0000 Subject: [PATCH] pata_hpt3x3: suspend/resume support Again split the chipset init away and call it both on resume and on setup Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_hpt3x3.c | 46 ++++++++++++++++++++++++++++++++++------------ 1 file changed, 34 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index d216cc564b5..e9fb029f28b 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -23,7 +23,7 @@ #include #define DRV_NAME "pata_hpt3x3" -#define DRV_VERSION "0.4.1" +#define DRV_VERSION "0.4.2" static int hpt3x3_probe_init(struct ata_port *ap) { @@ -120,6 +120,8 @@ static struct scsi_host_template hpt3x3_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations hpt3x3_port_ops = { @@ -157,6 +159,27 @@ static struct ata_port_operations hpt3x3_port_ops = { .host_stop = ata_host_stop }; +/** + * hpt3x3_init_chipset - chip setup + * @dev: PCI device + * + * Perform the setup required at boot and on resume. + */ + +static void hpt3x3_init_chipset(struct pci_dev *dev) +{ + u16 cmd; + /* Initialize the board */ + pci_write_config_word(dev, 0x80, 0x00); + /* Check if it is a 343 or a 363. 363 has COMMAND_MEMORY set */ + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (cmd & PCI_COMMAND_MEMORY) + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); + else + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); +} + + /** * hpt3x3_init_one - Initialise an HPT343/363 * @dev: PCI device @@ -178,21 +201,18 @@ static int hpt3x3_init_one(struct pci_dev *dev, const struct pci_device_id *id) .port_ops = &hpt3x3_port_ops }; static struct ata_port_info *port_info[2] = { &info, &info }; - u16 cmd; - - /* Initialize the board */ - pci_write_config_word(dev, 0x80, 0x00); - /* Check if it is a 343 or a 363. 363 has COMMAND_MEMORY set */ - pci_read_config_word(dev, PCI_COMMAND, &cmd); - if (cmd & PCI_COMMAND_MEMORY) - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); - else - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); + hpt3x3_init_chipset(dev); /* Now kick off ATA set up */ return ata_pci_init_one(dev, port_info, 2); } +static int hpt3x3_reinit_one(struct pci_dev *dev) +{ + hpt3x3_init_chipset(dev); + return ata_pci_device_resume(dev); +} + static const struct pci_device_id hpt3x3[] = { { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), }, @@ -203,7 +223,9 @@ static struct pci_driver hpt3x3_pci_driver = { .name = DRV_NAME, .id_table = hpt3x3, .probe = hpt3x3_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = hpt3x3_reinit_one, }; static int __init hpt3x3_init(void) -- cgit v1.2.3 From 099156db555aabf54dc80b40abb628ce35d90065 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 27 Nov 2006 16:37:52 +0000 Subject: [PATCH] pata_marvell: merge Mandriva patches Correct and complete the Marvell PATA cable detection logic. From: Arnaud Patard Signed-off-by: Arnaud Patard Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_marvell.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index a5953c38926..25f7a79a8e2 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -57,11 +57,11 @@ static int marvell_pre_reset(struct ata_port *ap) switch(ap->port_no) { case 0: - /* Might be backward, docs unclear */ if (inb(ap->ioaddr.bmdma_addr + 1) & 1) - ap->cbl = ATA_CBL_PATA80; - else ap->cbl = ATA_CBL_PATA40; + else + ap->cbl = ATA_CBL_PATA80; + break; case 1: /* Legacy SATA port */ ap->cbl = ATA_CBL_SATA; -- cgit v1.2.3 From 2dec7555e6bf2772749113ea0ad454fcdb8cf861 Mon Sep 17 00:00:00 2001 From: Robert Hancock Date: Sun, 26 Nov 2006 14:20:19 -0600 Subject: [PATCH] sata_nv: fix ATAPI in ADMA mode The attached patch against 2.6.19-rc6-mm1 fixes some problems in sata_nv with ATAPI devices on controllers running in ADMA mode. Some of the logic in the nv_adma_bmdma_* functions was inverted causing a bunch of warnings and caused those functions not to work properly. Also, when an ATAPI device is connected, we need to use the legacy DMA engine. The code now disables the PCI configuration register bits for ADMA so that this works, and ensures that no ATAPI DMA commands go through until this is done. Fixes Bugzilla http://bugzilla.kernel.org/show_bug.cgi?id=7538 Signed-off-by: Robert Hancock Signed-off-by: Jeff Garzik --- drivers/ata/sata_nv.c | 318 +++++++++++++++++++++++++++++--------------------- 1 file changed, 188 insertions(+), 130 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index a5771010761..27d2225c908 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -49,7 +49,7 @@ #include #define DRV_NAME "sata_nv" -#define DRV_VERSION "3.1" +#define DRV_VERSION "3.2" #define NV_ADMA_DMA_BOUNDARY 0xffffffffUL @@ -165,6 +165,7 @@ enum { /* port flags */ NV_ADMA_PORT_REGISTER_MODE = (1 << 0), + NV_ADMA_ATAPI_SETUP_COMPLETE = (1 << 1), }; @@ -231,6 +232,7 @@ static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); static void nv_error_handler(struct ata_port *ap); static int nv_adma_slave_config(struct scsi_device *sdev); +static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc); static void nv_adma_qc_prep(struct ata_queued_cmd *qc); static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc); static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance); @@ -415,6 +417,7 @@ static const struct ata_port_operations nv_adma_ops = { .port_disable = ata_port_disable, .tf_load = ata_tf_load, .tf_read = ata_tf_read, + .check_atapi_dma = nv_adma_check_atapi_dma, .exec_command = ata_exec_command, .check_status = ata_check_status, .dev_select = ata_std_dev_select, @@ -489,13 +492,71 @@ MODULE_VERSION(DRV_VERSION); static int adma_enabled = 1; +static inline void __iomem *__nv_adma_ctl_block(void __iomem *mmio, + unsigned int port_no) +{ + mmio += NV_ADMA_PORT + port_no * NV_ADMA_PORT_SIZE; + return mmio; +} + +static inline void __iomem *nv_adma_ctl_block(struct ata_port *ap) +{ + return __nv_adma_ctl_block(ap->host->mmio_base, ap->port_no); +} + +static inline void __iomem *nv_adma_gen_block(struct ata_port *ap) +{ + return (ap->host->mmio_base + NV_ADMA_GEN); +} + +static inline void __iomem *nv_adma_notifier_clear_block(struct ata_port *ap) +{ + return (nv_adma_gen_block(ap) + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no)); +} + +static void nv_adma_register_mode(struct ata_port *ap) +{ + void __iomem *mmio = nv_adma_ctl_block(ap); + struct nv_adma_port_priv *pp = ap->private_data; + u16 tmp; + + if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) + return; + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + + pp->flags |= NV_ADMA_PORT_REGISTER_MODE; +} + +static void nv_adma_mode(struct ata_port *ap) +{ + void __iomem *mmio = nv_adma_ctl_block(ap); + struct nv_adma_port_priv *pp = ap->private_data; + u16 tmp; + + if (!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) + return; + + WARN_ON(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE); + + tmp = readw(mmio + NV_ADMA_CTL); + writew(tmp | NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + + pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE; +} + static int nv_adma_slave_config(struct scsi_device *sdev) { struct ata_port *ap = ata_shost_to_port(sdev->host); + struct nv_adma_port_priv *pp = ap->private_data; + struct pci_dev *pdev = to_pci_dev(ap->host->dev); u64 bounce_limit; unsigned long segment_boundary; unsigned short sg_tablesize; int rc; + int adma_enable; + u32 current_reg, new_reg, config_mask; rc = ata_scsi_slave_config(sdev); @@ -516,13 +577,40 @@ static int nv_adma_slave_config(struct scsi_device *sdev) /* Subtract 1 since an extra entry may be needed for padding, see libata-scsi.c */ sg_tablesize = LIBATA_MAX_PRD - 1; + + /* Since the legacy DMA engine is in use, we need to disable ADMA + on the port. */ + adma_enable = 0; + nv_adma_register_mode(ap); } else { bounce_limit = *ap->dev->dma_mask; segment_boundary = NV_ADMA_DMA_BOUNDARY; sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN; + adma_enable = 1; } - + + pci_read_config_dword(pdev, NV_MCP_SATA_CFG_20, ¤t_reg); + + if(ap->port_no == 1) + config_mask = NV_MCP_SATA_CFG_20_PORT1_EN | + NV_MCP_SATA_CFG_20_PORT1_PWB_EN; + else + config_mask = NV_MCP_SATA_CFG_20_PORT0_EN | + NV_MCP_SATA_CFG_20_PORT0_PWB_EN; + + if(adma_enable) { + new_reg = current_reg | config_mask; + pp->flags &= ~NV_ADMA_ATAPI_SETUP_COMPLETE; + } + else { + new_reg = current_reg & ~config_mask; + pp->flags |= NV_ADMA_ATAPI_SETUP_COMPLETE; + } + + if(current_reg != new_reg) + pci_write_config_dword(pdev, NV_MCP_SATA_CFG_20, new_reg); + blk_queue_bounce_limit(sdev->request_queue, bounce_limit); blk_queue_segment_boundary(sdev->request_queue, segment_boundary); blk_queue_max_hw_segments(sdev->request_queue, sg_tablesize); @@ -532,7 +620,13 @@ static int nv_adma_slave_config(struct scsi_device *sdev) return rc; } -static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, u16 *cpb) +static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc) +{ + struct nv_adma_port_priv *pp = qc->ap->private_data; + return !(pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE); +} + +static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, __le16 *cpb) { unsigned int idx = 0; @@ -563,33 +657,11 @@ static unsigned int nv_adma_tf_to_cpb(struct ata_taskfile *tf, u16 *cpb) return idx; } -static inline void __iomem *__nv_adma_ctl_block(void __iomem *mmio, - unsigned int port_no) -{ - mmio += NV_ADMA_PORT + port_no * NV_ADMA_PORT_SIZE; - return mmio; -} - -static inline void __iomem *nv_adma_ctl_block(struct ata_port *ap) -{ - return __nv_adma_ctl_block(ap->host->mmio_base, ap->port_no); -} - -static inline void __iomem *nv_adma_gen_block(struct ata_port *ap) -{ - return (ap->host->mmio_base + NV_ADMA_GEN); -} - -static inline void __iomem *nv_adma_notifier_clear_block(struct ata_port *ap) -{ - return (nv_adma_gen_block(ap) + NV_ADMA_NOTIFIER_CLEAR + (4 * ap->port_no)); -} - static void nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) { struct nv_adma_port_priv *pp = ap->private_data; int complete = 0, have_err = 0; - u16 flags = pp->cpb[cpb_num].resp_flags; + u8 flags = pp->cpb[cpb_num].resp_flags; VPRINTK("CPB %d, flags=0x%x\n", cpb_num, flags); @@ -634,15 +706,48 @@ static void nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) } } +static int nv_host_intr(struct ata_port *ap, u8 irq_stat) +{ + struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); + int handled; + + /* freeze if hotplugged */ + if (unlikely(irq_stat & (NV_INT_ADDED | NV_INT_REMOVED))) { + ata_port_freeze(ap); + return 1; + } + + /* bail out if not our interrupt */ + if (!(irq_stat & NV_INT_DEV)) + return 0; + + /* DEV interrupt w/ no active qc? */ + if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { + ata_check_status(ap); + return 1; + } + + /* handle interrupt */ + handled = ata_host_intr(ap, qc); + if (unlikely(!handled)) { + /* spurious, clear it */ + ata_check_status(ap); + } + + return 1; +} + static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; int i, handled = 0; + u32 notifier_clears[2]; spin_lock(&host->lock); for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; + notifier_clears[i] = 0; if (ap && !(ap->flags & ATA_FLAG_DISABLED)) { struct nv_adma_port_priv *pp = ap->private_data; @@ -654,30 +759,18 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) /* if in ATA register mode, use standard ata interrupt handler */ if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) { - struct ata_queued_cmd *qc; - VPRINTK("in ATA register mode\n"); - qc = ata_qc_from_tag(ap, ap->active_tag); - if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) - handled += ata_host_intr(ap, qc); - else { - /* No request pending? Clear interrupt status - anyway, in case there's one pending. */ - ap->ops->check_status(ap); - handled++; - } + u8 irq_stat = readb(host->mmio_base + NV_INT_STATUS_CK804) + >> (NV_INT_PORT_SHIFT * i); + handled += nv_host_intr(ap, irq_stat); continue; } notifier = readl(mmio + NV_ADMA_NOTIFIER); notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); + notifier_clears[i] = notifier | notifier_error; gen_ctl = readl(nv_adma_gen_block(ap) + NV_ADMA_GEN_CTL); - /* Seems necessary to clear notifiers even when they were 0. - Otherwise we seem to stop receiving further interrupts. - Unsure why. */ - writel(notifier | notifier_error, nv_adma_notifier_clear_block(ap)); - if( !NV_ADMA_CHECK_INTR(gen_ctl, ap->port_no) && !notifier && !notifier_error) /* Nothing to do */ @@ -730,6 +823,15 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) handled++; /* irq handled if we got here */ } } + + if(notifier_clears[0] || notifier_clears[1]) { + /* Note: Both notifier clear registers must be written + if either is set, even if one is zero, according to NVIDIA. */ + writel(notifier_clears[0], + nv_adma_notifier_clear_block(host->ports[0])); + writel(notifier_clears[1], + nv_adma_notifier_clear_block(host->ports[1])); + } spin_unlock(&host->lock); @@ -742,6 +844,7 @@ static void nv_adma_irq_clear(struct ata_port *ap) u16 status = readw(mmio + NV_ADMA_STAT); u32 notifier = readl(mmio + NV_ADMA_NOTIFIER); u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR); + unsigned long dma_stat_addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; /* clear ADMA status */ writew(status, mmio + NV_ADMA_STAT); @@ -749,92 +852,76 @@ static void nv_adma_irq_clear(struct ata_port *ap) nv_adma_notifier_clear_block(ap)); /** clear legacy status */ - ap->flags &= ~ATA_FLAG_MMIO; - ata_bmdma_irq_clear(ap); - ap->flags |= ATA_FLAG_MMIO; + outb(inb(dma_stat_addr), dma_stat_addr); } static void nv_adma_bmdma_setup(struct ata_queued_cmd *qc) { - struct nv_adma_port_priv *pp = qc->ap->private_data; + struct ata_port *ap = qc->ap; + unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); + struct nv_adma_port_priv *pp = ap->private_data; + u8 dmactl; - if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) { + if(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) { WARN_ON(1); return; } - qc->ap->flags &= ~ATA_FLAG_MMIO; - ata_bmdma_setup(qc); - qc->ap->flags |= ATA_FLAG_MMIO; + /* load PRD table addr. */ + outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + + /* specify data direction, triple-check start bit is clear */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); + if (!rw) + dmactl |= ATA_DMA_WR; + + outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + + /* issue r/w command */ + ata_exec_command(ap, &qc->tf); } static void nv_adma_bmdma_start(struct ata_queued_cmd *qc) { - struct nv_adma_port_priv *pp = qc->ap->private_data; + struct ata_port *ap = qc->ap; + struct nv_adma_port_priv *pp = ap->private_data; + u8 dmactl; - if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) { + if(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) { WARN_ON(1); return; } - qc->ap->flags &= ~ATA_FLAG_MMIO; - ata_bmdma_start(qc); - qc->ap->flags |= ATA_FLAG_MMIO; + /* start host DMA transaction */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + outb(dmactl | ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); } static void nv_adma_bmdma_stop(struct ata_queued_cmd *qc) { - struct nv_adma_port_priv *pp = qc->ap->private_data; - - if(pp->flags & NV_ADMA_PORT_REGISTER_MODE) - return; - - qc->ap->flags &= ~ATA_FLAG_MMIO; - ata_bmdma_stop(qc); - qc->ap->flags |= ATA_FLAG_MMIO; -} - -static u8 nv_adma_bmdma_status(struct ata_port *ap) -{ - u8 status; - struct nv_adma_port_priv *pp = ap->private_data; - - WARN_ON(pp->flags & NV_ADMA_PORT_REGISTER_MODE); - - ap->flags &= ~ATA_FLAG_MMIO; - status = ata_bmdma_status(ap); - ap->flags |= ATA_FLAG_MMIO; - return status; -} - -static void nv_adma_register_mode(struct ata_port *ap) -{ - void __iomem *mmio = nv_adma_ctl_block(ap); + struct ata_port *ap = qc->ap; struct nv_adma_port_priv *pp = ap->private_data; - u16 tmp; - if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) + if(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) return; - tmp = readw(mmio + NV_ADMA_CTL); - writew(tmp & ~NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + /* clear start/stop bit */ + outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - pp->flags |= NV_ADMA_PORT_REGISTER_MODE; + /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ + ata_altstatus(ap); /* dummy read */ } -static void nv_adma_mode(struct ata_port *ap) +static u8 nv_adma_bmdma_status(struct ata_port *ap) { - void __iomem *mmio = nv_adma_ctl_block(ap); struct nv_adma_port_priv *pp = ap->private_data; - u16 tmp; - - if (!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)) - return; - tmp = readw(mmio + NV_ADMA_CTL); - writew(tmp | NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL); + WARN_ON(!(pp->flags & NV_ADMA_PORT_REGISTER_MODE)); - pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE; + return inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); } static int nv_adma_port_start(struct ata_port *ap) @@ -997,7 +1084,7 @@ static void nv_adma_fill_aprd(struct ata_queued_cmd *qc, int idx, struct nv_adma_prd *aprd) { - u32 flags; + u8 flags; memset(aprd, 0, sizeof(struct nv_adma_prd)); @@ -1011,7 +1098,7 @@ static void nv_adma_fill_aprd(struct ata_queued_cmd *qc, aprd->addr = cpu_to_le64(((u64)sg_dma_address(sg))); aprd->len = cpu_to_le32(((u32)sg_dma_len(sg))); /* len in bytes */ - aprd->flags = cpu_to_le32(flags); + aprd->flags = flags; } static void nv_adma_fill_sg(struct ata_queued_cmd *qc, struct nv_adma_cpb *cpb) @@ -1045,7 +1132,8 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) VPRINTK("qc->flags = 0x%lx\n", qc->flags); if (!(qc->flags & ATA_QCFLAG_DMAMAP) || - qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) { + nv_adma_register_mode(qc->ap); ata_qc_prep(qc); return; } @@ -1072,12 +1160,13 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc) static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc) { + struct nv_adma_port_priv *pp = qc->ap->private_data; void __iomem *mmio = nv_adma_ctl_block(qc->ap); VPRINTK("ENTER\n"); if (!(qc->flags & ATA_QCFLAG_DMAMAP) || - qc->tf.protocol == ATA_PROT_ATAPI_DMA) { + (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)) { /* use ATA register mode */ VPRINTK("no dmamap or ATAPI, using ATA register mode: 0x%lx\n", qc->flags); nv_adma_register_mode(qc->ap); @@ -1128,37 +1217,6 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance) return IRQ_RETVAL(handled); } -static int nv_host_intr(struct ata_port *ap, u8 irq_stat) -{ - struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); - int handled; - - /* freeze if hotplugged */ - if (unlikely(irq_stat & (NV_INT_ADDED | NV_INT_REMOVED))) { - ata_port_freeze(ap); - return 1; - } - - /* bail out if not our interrupt */ - if (!(irq_stat & NV_INT_DEV)) - return 0; - - /* DEV interrupt w/ no active qc? */ - if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) { - ata_check_status(ap); - return 1; - } - - /* handle interrupt */ - handled = ata_host_intr(ap, qc); - if (unlikely(!handled)) { - /* spurious, clear it */ - ata_check_status(ap); - } - - return 1; -} - static irqreturn_t nv_do_interrupt(struct ata_host *host, u8 irq_stat) { int i, handled = 0; -- cgit v1.2.3 From 664e8503fee2f299d0f96eaab0f5f8fae8fad325 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 20 Nov 2006 16:05:34 +0900 Subject: [PATCH] libata: print cdb[0] in failed qc report Print cdb[0] in failed qc report. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/libata-eh.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 3771eb83875..5aa7f0907e8 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1452,14 +1452,15 @@ static void ata_eh_report(struct ata_port *ap) ata_dev_printk(qc->dev, KERN_ERR, "cmd %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x " - "tag %d data %u %s\n " + "tag %d cdb 0x%x data %u %s\n " "res %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x " "Emask 0x%x (%s)\n", cmd->command, cmd->feature, cmd->nsect, cmd->lbal, cmd->lbam, cmd->lbah, cmd->hob_feature, cmd->hob_nsect, cmd->hob_lbal, cmd->hob_lbam, cmd->hob_lbah, - cmd->device, qc->tag, nbytes, dma_str[qc->dma_dir], + cmd->device, qc->tag, qc->cdb[0], nbytes, + dma_str[qc->dma_dir], res->command, res->feature, res->nsect, res->lbal, res->lbam, res->lbah, res->hob_feature, res->hob_nsect, -- cgit v1.2.3 From c4b41c9f077392803cd548000f3a2312dcd4a122 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Tue, 3 Oct 2006 16:18:13 +0100 Subject: [PATCH] 2.6.18: sb1250-mac: Broadcom PHY support This patch adds support for interrupt-driven operation of the Broadcom Gigabit Ethernet PHYs. I have included device IDs for the parts used on Broadcom SiByte evaluation boards; more can be added as a need arises. They are apparently generally software-compatible with one another. Signed-off-by: Maciej W. Rozycki patch-mips-2.6.18-20060920-broadcom-phy-15 Signed-off-by: Jeff Garzik --- drivers/net/phy/Kconfig | 6 ++ drivers/net/phy/Makefile | 1 + drivers/net/phy/broadcom.c | 175 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 182 insertions(+) create mode 100644 drivers/net/phy/broadcom.c (limited to 'drivers') diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index ecb61f876f2..f994f129f3d 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -56,6 +56,12 @@ config SMSC_PHY ---help--- Currently supports the LAN83C185 PHY +config BROADCOM_PHY + tristate "Drivers for Broadcom PHYs" + depends on PHYLIB + ---help--- + Currently supports the BCM5411, BCM5421 and BCM5461 PHYs. + config FIXED_PHY tristate "Drivers for PHY emulation on fixed speed/link" depends on PHYLIB diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 320f8323123..bcd1efbd2a1 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -10,4 +10,5 @@ obj-$(CONFIG_LXT_PHY) += lxt.o obj-$(CONFIG_QSEMI_PHY) += qsemi.o obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o +obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_FIXED_PHY) += fixed.o diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c new file mode 100644 index 00000000000..29666c85ed5 --- /dev/null +++ b/drivers/net/phy/broadcom.c @@ -0,0 +1,175 @@ +/* + * drivers/net/phy/broadcom.c + * + * Broadcom BCM5411, BCM5421 and BCM5461 Gigabit Ethernet + * transceivers. + * + * Copyright (c) 2006 Maciej W. Rozycki + * + * Inspired by code written by Amy Fong. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include +#include + +#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */ +#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */ +#define MII_BCM54XX_ECR_IF 0x0800 /* Interrupt force */ + +#define MII_BCM54XX_ESR 0x11 /* BCM54xx extended status register */ +#define MII_BCM54XX_ESR_IS 0x1000 /* Interrupt status */ + +#define MII_BCM54XX_ISR 0x1a /* BCM54xx interrupt status register */ +#define MII_BCM54XX_IMR 0x1b /* BCM54xx interrupt mask register */ +#define MII_BCM54XX_INT_CRCERR 0x0001 /* CRC error */ +#define MII_BCM54XX_INT_LINK 0x0002 /* Link status changed */ +#define MII_BCM54XX_INT_SPEED 0x0004 /* Link speed change */ +#define MII_BCM54XX_INT_DUPLEX 0x0008 /* Duplex mode changed */ +#define MII_BCM54XX_INT_LRS 0x0010 /* Local receiver status changed */ +#define MII_BCM54XX_INT_RRS 0x0020 /* Remote receiver status changed */ +#define MII_BCM54XX_INT_SSERR 0x0040 /* Scrambler synchronization error */ +#define MII_BCM54XX_INT_UHCD 0x0080 /* Unsupported HCD negotiated */ +#define MII_BCM54XX_INT_NHCD 0x0100 /* No HCD */ +#define MII_BCM54XX_INT_NHCDL 0x0200 /* No HCD link */ +#define MII_BCM54XX_INT_ANPR 0x0400 /* Auto-negotiation page received */ +#define MII_BCM54XX_INT_LC 0x0800 /* All counters below 128 */ +#define MII_BCM54XX_INT_HC 0x1000 /* Counter above 32768 */ +#define MII_BCM54XX_INT_MDIX 0x2000 /* MDIX status change */ +#define MII_BCM54XX_INT_PSERR 0x4000 /* Pair swap error */ + +MODULE_DESCRIPTION("Broadcom PHY driver"); +MODULE_AUTHOR("Maciej W. Rozycki"); +MODULE_LICENSE("GPL"); + +static int bcm54xx_config_init(struct phy_device *phydev) +{ + int reg, err; + + reg = phy_read(phydev, MII_BCM54XX_ECR); + if (reg < 0) + return reg; + + /* Mask interrupts globally. */ + reg |= MII_BCM54XX_ECR_IM; + err = phy_write(phydev, MII_BCM54XX_ECR, reg); + if (err < 0) + return err; + + /* Unmask events we are interested in. */ + reg = ~(MII_BCM54XX_INT_DUPLEX | + MII_BCM54XX_INT_SPEED | + MII_BCM54XX_INT_LINK); + err = phy_write(phydev, MII_BCM54XX_IMR, reg); + if (err < 0) + return err; + return 0; +} + +static int bcm54xx_ack_interrupt(struct phy_device *phydev) +{ + int reg; + + /* Clear pending interrupts. */ + reg = phy_read(phydev, MII_BCM54XX_ISR); + if (reg < 0) + return reg; + + return 0; +} + +static int bcm54xx_config_intr(struct phy_device *phydev) +{ + int reg, err; + + reg = phy_read(phydev, MII_BCM54XX_ECR); + if (reg < 0) + return reg; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + reg &= ~MII_BCM54XX_ECR_IM; + else + reg |= MII_BCM54XX_ECR_IM; + + err = phy_write(phydev, MII_BCM54XX_ECR, reg); + return err; +} + +static struct phy_driver bcm5411_driver = { + .phy_id = 0x00206070, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5411", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +static struct phy_driver bcm5421_driver = { + .phy_id = 0x002060e0, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5421", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +static struct phy_driver bcm5461_driver = { + .phy_id = 0x002060c0, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5461", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +static int __init broadcom_init(void) +{ + int ret; + + ret = phy_driver_register(&bcm5411_driver); + if (ret) + goto out_5411; + ret = phy_driver_register(&bcm5421_driver); + if (ret) + goto out_5421; + ret = phy_driver_register(&bcm5461_driver); + if (ret) + goto out_5461; + return ret; + +out_5461: + phy_driver_unregister(&bcm5421_driver); +out_5421: + phy_driver_unregister(&bcm5411_driver); +out_5411: + return ret; +} + +static void __exit broadcom_exit(void) +{ + phy_driver_unregister(&bcm5461_driver); + phy_driver_unregister(&bcm5421_driver); + phy_driver_unregister(&bcm5411_driver); +} + +module_init(broadcom_init); +module_exit(broadcom_exit); -- cgit v1.2.3 From 3c3070d713d798f7f9e7ee3614e49b47655d14d8 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Tue, 3 Oct 2006 16:18:35 +0100 Subject: [PATCH] 2.6.18: sb1250-mac: Phylib IRQ handling fixes This patch fixes a couple of problems discovered with interrupt handling in the phylib core, namely: 1. The driver uses timer and workqueue calls, but does not include nor . 2. The driver uses schedule_work() for handling interrupts, but does not make sure any pending work scheduled thus has been completed before driver's structures get freed from memory. This is especially important as interrupts may keep arriving if the line is shared with another PHY. The solution is to ignore phy_interrupt() calls if the reported device has already been halted and calling flush_scheduled_work() from phy_stop_interrupts() (but guarded with current_is_keventd() in case the function has been called through keventd from the MAC device's close call to avoid a deadlock on the netlink lock). Signed-off-by: Maciej W. Rozycki patch-mips-2.6.18-20060920-phy-irq-16 Signed-off-by: Jeff Garzik --- drivers/net/phy/phy.c | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 3af9fcf76c8..95f0419ba21 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -7,6 +7,7 @@ * Author: Andy Fleming * * Copyright (c) 2004 Freescale Semiconductor, Inc. + * Copyright (c) 2006 Maciej W. Rozycki * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -32,6 +33,8 @@ #include #include #include +#include +#include #include #include @@ -484,6 +487,9 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) { struct phy_device *phydev = phy_dat; + if (PHY_HALTED == phydev->state) + return IRQ_NONE; /* It can't be ours. */ + /* The MDIO bus is not allowed to be written in interrupt * context, so we need to disable the irq here. A work * queue will write the PHY to disable and clear the @@ -577,6 +583,13 @@ int phy_stop_interrupts(struct phy_device *phydev) if (err) phy_error(phydev); + /* + * Finish any pending work; we might have been scheduled + * to be called from keventd ourselves, though. + */ + if (!current_is_keventd()) + flush_scheduled_work(); + free_irq(phydev->irq, phydev); return err; @@ -603,7 +616,8 @@ static void phy_change(void *data) enable_irq(phydev->irq); /* Reenable interrupts */ - err = phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED); + if (PHY_HALTED != phydev->state) + err = phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED); if (err) goto irq_enable_err; @@ -624,18 +638,24 @@ void phy_stop(struct phy_device *phydev) if (PHY_HALTED == phydev->state) goto out_unlock; - if (phydev->irq != PHY_POLL) { - /* Clear any pending interrupts */ - phy_clear_interrupt(phydev); + phydev->state = PHY_HALTED; + if (phydev->irq != PHY_POLL) { /* Disable PHY Interrupts */ phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED); - } - phydev->state = PHY_HALTED; + /* Clear any pending interrupts */ + phy_clear_interrupt(phydev); + } out_unlock: spin_unlock(&phydev->lock); + + /* + * Cannot call flush_scheduled_work() here as desired because + * of rtnl_lock(), but PHY_HALTED shall guarantee phy_change() + * will not reenable interrupts. + */ } -- cgit v1.2.3 From a189317fa0e9d425cd3a4c248b06f96d876cf7fd Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Tue, 10 Oct 2006 14:33:27 -0700 Subject: [PATCH] forcedeth: power management support Tobias Diedrich sayeth: Vanilla forcedeth doesn't seem to support suspend and an ifdown/up-cycle is needed to get it working again after suspend. Francois Romieu's "Awfully experimental" patch is working just fine for me (with message signalled interrupts disabled) and has survived quite a few suspend/resume cycles. So I'd very much like to see (at least partial, with msi disabled) suspend support for forcedeth in mainline. (Addresses http://bugzilla.kernel.org/show_bug.cgi?id=6398) Cc: Francois Romieu Cc; Jeff Garzik Cc: Manfred Spraul Cc: Ayaz Abdulla Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/forcedeth.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 46 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index c5ed635bce3..87af5e497c5 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -4603,6 +4603,50 @@ static void __devexit nv_remove(struct pci_dev *pci_dev) pci_set_drvdata(pci_dev, NULL); } +#ifdef CONFIG_PM +static int nv_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct fe_priv *np = netdev_priv(dev); + + if (!netif_running(dev)) + goto out; + + netif_device_detach(dev); + + // Gross. + nv_close(dev); + + pci_save_state(pdev); + pci_enable_wake(pdev, pci_choose_state(pdev, state), np->wolenabled); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); +out: + return 0; +} + +static int nv_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + int rc = 0; + + if (!netif_running(dev)) + goto out; + + netif_device_attach(dev); + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + pci_enable_wake(pdev, PCI_D0, 0); + + rc = nv_open(dev); +out: + return rc; +} +#else +#define nv_suspend NULL +#define nv_resume NULL +#endif /* CONFIG_PM */ + static struct pci_device_id pci_tbl[] = { { /* nForce Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_1), @@ -4704,9 +4748,10 @@ static struct pci_driver driver = { .id_table = pci_tbl, .probe = nv_probe, .remove = __devexit_p(nv_remove), + .suspend = nv_suspend, + .resume = nv_resume, }; - static int __init init_nic(void) { printk(KERN_INFO "forcedeth.c: Reverse Engineered nForce ethernet driver. Version %s.\n", FORCEDETH_VERSION); -- cgit v1.2.3 From 107ce6d21b746f33f85f4385b9802b3ae928f876 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Tue, 10 Oct 2006 14:33:28 -0700 Subject: [PATCH] Remove unnecessary check in drivers/net/depca.c This was spotted by coverity (cid #793). All callers dereference dev before calling this functions, and we dereference it earlier in the function, when initializing lp. Signed-off-by: Eric Sesterhenn Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/depca.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/net/depca.c b/drivers/net/depca.c index f87f6e3dc72..5113eef755b 100644 --- a/drivers/net/depca.c +++ b/drivers/net/depca.c @@ -1252,24 +1252,22 @@ static void set_multicast_list(struct net_device *dev) struct depca_private *lp = (struct depca_private *) dev->priv; u_long ioaddr = dev->base_addr; - if (dev) { - netif_stop_queue(dev); - while (lp->tx_old != lp->tx_new); /* Wait for the ring to empty */ - - STOP_DEPCA; /* Temporarily stop the depca. */ - depca_init_ring(dev); /* Initialize the descriptor rings */ + netif_stop_queue(dev); + while (lp->tx_old != lp->tx_new); /* Wait for the ring to empty */ - if (dev->flags & IFF_PROMISC) { /* Set promiscuous mode */ - lp->init_block.mode |= PROM; - } else { - SetMulticastFilter(dev); - lp->init_block.mode &= ~PROM; /* Unset promiscuous mode */ - } + STOP_DEPCA; /* Temporarily stop the depca. */ + depca_init_ring(dev); /* Initialize the descriptor rings */ - LoadCSRs(dev); /* Reload CSR3 */ - InitRestartDepca(dev); /* Resume normal operation. */ - netif_start_queue(dev); /* Unlock the TX ring */ + if (dev->flags & IFF_PROMISC) { /* Set promiscuous mode */ + lp->init_block.mode |= PROM; + } else { + SetMulticastFilter(dev); + lp->init_block.mode &= ~PROM; /* Unset promiscuous mode */ } + + LoadCSRs(dev); /* Reload CSR3 */ + InitRestartDepca(dev); /* Resume normal operation. */ + netif_start_queue(dev); /* Unlock the TX ring */ } /* -- cgit v1.2.3 From 83717cf054214d144165c576cba6362d07fc6656 Mon Sep 17 00:00:00 2001 From: Henrik Kretzschmar Date: Tue, 10 Oct 2006 14:33:29 -0700 Subject: [PATCH] pci_module_init() convertion in olympic.c pci_module_init() convertion in olympic.c Signed-off-by: Henrik Kretzschmar Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/tokenring/olympic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c index cd142d0302b..8f4ecc1109c 100644 --- a/drivers/net/tokenring/olympic.c +++ b/drivers/net/tokenring/olympic.c @@ -1771,7 +1771,7 @@ static struct pci_driver olympic_driver = { static int __init olympic_pci_init(void) { - return pci_module_init (&olympic_driver) ; + return pci_register_driver(&olympic_driver) ; } static void __exit olympic_pci_cleanup(void) -- cgit v1.2.3 From 24b46a0f0a9a736f125141f271102f70c2612a9f Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 5 Oct 2006 10:16:23 -0700 Subject: [PATCH] sk98lin: ethtool register dump Add support for dumping the registers in the deprecated sk98lin driver. This is allows for easier comparison with settings in new skge driver. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sk98lin/skethtool.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'drivers') diff --git a/drivers/net/sk98lin/skethtool.c b/drivers/net/sk98lin/skethtool.c index e5cb5b548b8..36460694eb8 100644 --- a/drivers/net/sk98lin/skethtool.c +++ b/drivers/net/sk98lin/skethtool.c @@ -581,6 +581,30 @@ static int setRxCsum(struct net_device *dev, u32 data) return 0; } +static int getRegsLen(struct net_device *dev) +{ + return 0x4000; +} + +/* + * Returns copy of whole control register region + * Note: skip RAM address register because accessing it will + * cause bus hangs! + */ +static void getRegs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + DEV_NET *pNet = netdev_priv(dev); + const void __iomem *io = pNet->pAC->IoBase; + + regs->version = 1; + memset(p, 0, regs->len); + memcpy_fromio(p, io, B3_RAM_ADDR); + + memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, + regs->len - B3_RI_WTO_R1); +} + const struct ethtool_ops SkGeEthtoolOps = { .get_settings = getSettings, .set_settings = setSettings, @@ -599,4 +623,6 @@ const struct ethtool_ops SkGeEthtoolOps = { .set_tx_csum = setTxCsum, .get_rx_csum = getRxCsum, .set_rx_csum = setRxCsum, + .get_regs = getRegs, + .get_regs_len = getRegsLen, }; -- cgit v1.2.3 From 865f3b2b6ac578a061c823bec5baf00ad04cbd8c Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 5 Oct 2006 10:21:26 -0700 Subject: [PATCH] sk98lin: MII ioctl support Add MII ioctl support to the deprecated sk98lin driver. This allows comparison with skge driver's PHY settings. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sk98lin/skge.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) (limited to 'drivers') diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index d4913c3de2a..a5d41ebc9fb 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -113,6 +113,7 @@ #include #include #include +#include #include "h/skdrv1st.h" #include "h/skdrv2nd.h" @@ -2843,6 +2844,56 @@ unsigned long Flags; /* for spin lock */ return(&pAC->stats); } /* SkGeStats */ +/* + * Basic MII register access + */ +static int SkGeMiiIoctl(struct net_device *dev, + struct mii_ioctl_data *data, int cmd) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + SK_IOC IoC = pAC->IoBase; + int Port = pNet->PortNr; + SK_GEPORT *pPrt = &pAC->GIni.GP[Port]; + unsigned long Flags; + int err = 0; + int reg = data->reg_num & 0x1f; + SK_U16 val = data->val_in; + + if (!netif_running(dev)) + return -ENODEV; /* Phy still in reset */ + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + switch(cmd) { + case SIOCGMIIPHY: + data->phy_id = pPrt->PhyAddr; + + /* fallthru */ + case SIOCGMIIREG: + if (pAC->GIni.GIGenesis) + SkXmPhyRead(pAC, IoC, Port, reg, &val); + else + SkGmPhyRead(pAC, IoC, Port, reg, &val); + + data->val_out = val; + break; + + case SIOCSMIIREG: + if (!capable(CAP_NET_ADMIN)) + err = -EPERM; + + else if (pAC->GIni.GIGenesis) + SkXmPhyWrite(pAC, IoC, Port, reg, val); + else + SkGmPhyWrite(pAC, IoC, Port, reg, val); + break; + default: + err = -EOPNOTSUPP; + } + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + return err; +} + /***************************************************************************** * @@ -2876,6 +2927,9 @@ int HeaderLength = sizeof(SK_U32) + sizeof(SK_U32); pNet = netdev_priv(dev); pAC = pNet->pAC; + if (cmd == SIOCGMIIPHY || cmd == SIOCSMIIREG || cmd == SIOCGMIIREG) + return SkGeMiiIoctl(dev, if_mii(rq), cmd); + if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) { return -EFAULT; } -- cgit v1.2.3 From 6c3561b0c1b64c8f0d1419f3909ab29f0eb98906 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 10 Oct 2006 00:19:36 +0100 Subject: [PATCH] beginning of 8390 fixes - generic and arm/etherh etherh and a handful of other odd drivers use different macros when building 8390.c. Since we generate a single 8390.o and then link with it, in any config with both oddball and normal 8390-based driver we will end up with breakage in at least one of them. Solution: take most of 8390.c into lib8390.c and have 8390.c, etherh.c and the rest of oddballs #include it. Helper macros are taken from 8390.h to whoever includes lib8390.c. That way odd drivers get separate instances of compiled 8390 stuff and stop stepping on each other's toes. 8390.h gets cleaned up - we don't have the cascade of ifdefs in there and are left with the stuff that can be used by any 8390-based driver. Current problems are exactly because of that cascade - we attempt to choose the set of helpers by looking at config and that, of course, doesn't work well when we have several sets needed by various drivers in our config. Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- drivers/net/8390.c | 1080 +-------------------------------------------- drivers/net/8390.h | 29 +- drivers/net/Makefile | 1 - drivers/net/arm/etherh.c | 27 +- drivers/net/lib8390.c | 1097 ++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 1135 insertions(+), 1099 deletions(-) create mode 100644 drivers/net/lib8390.c (limited to 'drivers') diff --git a/drivers/net/8390.c b/drivers/net/8390.c index 3d1c599ac3c..a82807641dc 100644 --- a/drivers/net/8390.c +++ b/drivers/net/8390.c @@ -1,1104 +1,40 @@ -/* 8390.c: A general NS8390 ethernet driver core for linux. */ -/* - Written 1992-94 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - - This is the chip-specific code for many 8390-based ethernet adaptors. - This is not a complete driver, it must be combined with board-specific - code such as ne.c, wd.c, 3c503.c, etc. - - Seeing how at least eight drivers use this code, (not counting the - PCMCIA ones either) it is easy to break some card by what seems like - a simple innocent change. Please contact me or Donald if you think - you have found something that needs changing. -- PG - - - Changelog: - - Paul Gortmaker : remove set_bit lock, other cleanups. - Paul Gortmaker : add ei_get_8390_hdr() so we can pass skb's to - ei_block_input() for eth_io_copy_and_sum(). - Paul Gortmaker : exchange static int ei_pingpong for a #define, - also add better Tx error handling. - Paul Gortmaker : rewrite Rx overrun handling as per NS specs. - Alexey Kuznetsov : use the 8390's six bit hash multicast filter. - Paul Gortmaker : tweak ANK's above multicast changes a bit. - Paul Gortmaker : update packet statistics for v2.1.x - Alan Cox : support arbitary stupid port mappings on the - 68K Macintosh. Support >16bit I/O spaces - Paul Gortmaker : add kmod support for auto-loading of the 8390 - module by all drivers that require it. - Alan Cox : Spinlocking work, added 'BUG_83C690' - Paul Gortmaker : Separate out Tx timeout code from Tx path. - Paul Gortmaker : Remove old unused single Tx buffer code. - Hayato Fujiwara : Add m32r support. - Paul Gortmaker : use skb_padto() instead of stack scratch area - - Sources: - The National Semiconductor LAN Databook, and the 3Com 3c503 databook. - - */ +/* 8390 core for usual drivers */ static const char version[] = "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#define NS8390_CORE -#include "8390.h" - -#define BUG_83C690 - -/* These are the operational function interfaces to board-specific - routines. - void reset_8390(struct net_device *dev) - Resets the board associated with DEV, including a hardware reset of - the 8390. This is only called when there is a transmit timeout, and - it is always followed by 8390_init(). - void block_output(struct net_device *dev, int count, const unsigned char *buf, - int start_page) - Write the COUNT bytes of BUF to the packet buffer at START_PAGE. The - "page" value uses the 8390's 256-byte pages. - void get_8390_hdr(struct net_device *dev, struct e8390_hdr *hdr, int ring_page) - Read the 4 byte, page aligned 8390 header. *If* there is a - subsequent read, it will be of the rest of the packet. - void block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) - Read COUNT bytes from the packet buffer into the skb data area. Start - reading from RING_OFFSET, the address as the 8390 sees it. This will always - follow the read of the 8390 header. -*/ -#define ei_reset_8390 (ei_local->reset_8390) -#define ei_block_output (ei_local->block_output) -#define ei_block_input (ei_local->block_input) -#define ei_get_8390_hdr (ei_local->get_8390_hdr) - -/* use 0 for production, 1 for verification, >2 for debug */ -#ifndef ei_debug -int ei_debug = 1; -#endif - -/* Index to functions. */ -static void ei_tx_intr(struct net_device *dev); -static void ei_tx_err(struct net_device *dev); -static void ei_tx_timeout(struct net_device *dev); -static void ei_receive(struct net_device *dev); -static void ei_rx_overrun(struct net_device *dev); - -/* Routines generic to NS8390-based boards. */ -static void NS8390_trigger_send(struct net_device *dev, unsigned int length, - int start_page); -static void set_multicast_list(struct net_device *dev); -static void do_set_multicast_list(struct net_device *dev); - -/* - * SMP and the 8390 setup. - * - * The 8390 isnt exactly designed to be multithreaded on RX/TX. There is - * a page register that controls bank and packet buffer access. We guard - * this with ei_local->page_lock. Nobody should assume or set the page other - * than zero when the lock is not held. Lock holders must restore page 0 - * before unlocking. Even pure readers must take the lock to protect in - * page 0. - * - * To make life difficult the chip can also be very slow. We therefore can't - * just use spinlocks. For the longer lockups we disable the irq the device - * sits on and hold the lock. We must hold the lock because there is a dual - * processor case other than interrupts (get stats/set multicast list in - * parallel with each other and transmit). - * - * Note: in theory we can just disable the irq on the card _but_ there is - * a latency on SMP irq delivery. So we can easily go "disable irq" "sync irqs" - * enter lock, take the queued irq. So we waddle instead of flying. - * - * Finally by special arrangement for the purpose of being generally - * annoying the transmit function is called bh atomic. That places - * restrictions on the user context callers as disable_irq won't save - * them. - */ - - +#include "lib8390.c" -/** - * ei_open - Open/initialize the board. - * @dev: network device to initialize - * - * This routine goes all-out, setting everything - * up anew at each open, even though many of these registers should only - * need to be set once at boot. - */ int ei_open(struct net_device *dev) { - unsigned long flags; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - - /* The card I/O part of the driver (e.g. 3c503) can hook a Tx timeout - wrapper that does e.g. media check & then calls ei_tx_timeout. */ - if (dev->tx_timeout == NULL) - dev->tx_timeout = ei_tx_timeout; - if (dev->watchdog_timeo <= 0) - dev->watchdog_timeo = TX_TIMEOUT; - - /* - * Grab the page lock so we own the register set, then call - * the init function. - */ - - spin_lock_irqsave(&ei_local->page_lock, flags); - NS8390_init(dev, 1); - /* Set the flag before we drop the lock, That way the IRQ arrives - after its set and we get no silly warnings */ - netif_start_queue(dev); - spin_unlock_irqrestore(&ei_local->page_lock, flags); - ei_local->irqlock = 0; - return 0; + return __ei_open(dev); } -/** - * ei_close - shut down network device - * @dev: network device to close - * - * Opposite of ei_open(). Only used when "ifconfig down" is done. - */ int ei_close(struct net_device *dev) { - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - unsigned long flags; - - /* - * Hold the page lock during close - */ - - spin_lock_irqsave(&ei_local->page_lock, flags); - NS8390_init(dev, 0); - spin_unlock_irqrestore(&ei_local->page_lock, flags); - netif_stop_queue(dev); - return 0; -} - -/** - * ei_tx_timeout - handle transmit time out condition - * @dev: network device which has apparently fallen asleep - * - * Called by kernel when device never acknowledges a transmit has - * completed (or failed) - i.e. never posted a Tx related interrupt. - */ - -void ei_tx_timeout(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - int txsr, isr, tickssofar = jiffies - dev->trans_start; - unsigned long flags; - -#if defined(CONFIG_M32R) && defined(CONFIG_SMP) - unsigned long icucr; - - local_irq_save(flags); - icucr = inl(M32R_ICU_CR1_PORTL); - icucr |= M32R_ICUCR_ISMOD11; - outl(icucr, M32R_ICU_CR1_PORTL); - local_irq_restore(flags); -#endif - ei_local->stat.tx_errors++; - - spin_lock_irqsave(&ei_local->page_lock, flags); - txsr = inb(e8390_base+EN0_TSR); - isr = inb(e8390_base+EN0_ISR); - spin_unlock_irqrestore(&ei_local->page_lock, flags); - - printk(KERN_DEBUG "%s: Tx timed out, %s TSR=%#2x, ISR=%#2x, t=%d.\n", - dev->name, (txsr & ENTSR_ABT) ? "excess collisions." : - (isr) ? "lost interrupt?" : "cable problem?", txsr, isr, tickssofar); - - if (!isr && !ei_local->stat.tx_packets) - { - /* The 8390 probably hasn't gotten on the cable yet. */ - ei_local->interface_num ^= 1; /* Try a different xcvr. */ - } - - /* Ugly but a reset can be slow, yet must be protected */ - - disable_irq_nosync_lockdep(dev->irq); - spin_lock(&ei_local->page_lock); - - /* Try to restart the card. Perhaps the user has fixed something. */ - ei_reset_8390(dev); - NS8390_init(dev, 1); - - spin_unlock(&ei_local->page_lock); - enable_irq_lockdep(dev->irq); - netif_wake_queue(dev); -} - -/** - * ei_start_xmit - begin packet transmission - * @skb: packet to be sent - * @dev: network device to which packet is sent - * - * Sends a packet to an 8390 network device. - */ - -static int ei_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - int send_length = skb->len, output_page; - unsigned long flags; - char buf[ETH_ZLEN]; - char *data = skb->data; - - if (skb->len < ETH_ZLEN) { - memset(buf, 0, ETH_ZLEN); /* more efficient than doing just the needed bits */ - memcpy(buf, data, skb->len); - send_length = ETH_ZLEN; - data = buf; - } - - /* Mask interrupts from the ethercard. - SMP: We have to grab the lock here otherwise the IRQ handler - on another CPU can flip window and race the IRQ mask set. We end - up trashing the mcast filter not disabling irqs if we don't lock */ - - spin_lock_irqsave(&ei_local->page_lock, flags); - outb_p(0x00, e8390_base + EN0_IMR); - spin_unlock_irqrestore(&ei_local->page_lock, flags); - - - /* - * Slow phase with lock held. - */ - - disable_irq_nosync_lockdep_irqsave(dev->irq, &flags); - - spin_lock(&ei_local->page_lock); - - ei_local->irqlock = 1; - - /* - * We have two Tx slots available for use. Find the first free - * slot, and then perform some sanity checks. With two Tx bufs, - * you get very close to transmitting back-to-back packets. With - * only one Tx buf, the transmitter sits idle while you reload the - * card, leaving a substantial gap between each transmitted packet. - */ - - if (ei_local->tx1 == 0) - { - output_page = ei_local->tx_start_page; - ei_local->tx1 = send_length; - if (ei_debug && ei_local->tx2 > 0) - printk(KERN_DEBUG "%s: idle transmitter tx2=%d, lasttx=%d, txing=%d.\n", - dev->name, ei_local->tx2, ei_local->lasttx, ei_local->txing); - } - else if (ei_local->tx2 == 0) - { - output_page = ei_local->tx_start_page + TX_PAGES/2; - ei_local->tx2 = send_length; - if (ei_debug && ei_local->tx1 > 0) - printk(KERN_DEBUG "%s: idle transmitter, tx1=%d, lasttx=%d, txing=%d.\n", - dev->name, ei_local->tx1, ei_local->lasttx, ei_local->txing); - } - else - { /* We should never get here. */ - if (ei_debug) - printk(KERN_DEBUG "%s: No Tx buffers free! tx1=%d tx2=%d last=%d\n", - dev->name, ei_local->tx1, ei_local->tx2, ei_local->lasttx); - ei_local->irqlock = 0; - netif_stop_queue(dev); - outb_p(ENISR_ALL, e8390_base + EN0_IMR); - spin_unlock(&ei_local->page_lock); - enable_irq_lockdep_irqrestore(dev->irq, &flags); - ei_local->stat.tx_errors++; - return 1; - } - - /* - * Okay, now upload the packet and trigger a send if the transmitter - * isn't already sending. If it is busy, the interrupt handler will - * trigger the send later, upon receiving a Tx done interrupt. - */ - - ei_block_output(dev, send_length, data, output_page); - - if (! ei_local->txing) - { - ei_local->txing = 1; - NS8390_trigger_send(dev, send_length, output_page); - dev->trans_start = jiffies; - if (output_page == ei_local->tx_start_page) - { - ei_local->tx1 = -1; - ei_local->lasttx = -1; - } - else - { - ei_local->tx2 = -1; - ei_local->lasttx = -2; - } - } - else ei_local->txqueue++; - - if (ei_local->tx1 && ei_local->tx2) - netif_stop_queue(dev); - else - netif_start_queue(dev); - - /* Turn 8390 interrupts back on. */ - ei_local->irqlock = 0; - outb_p(ENISR_ALL, e8390_base + EN0_IMR); - - spin_unlock(&ei_local->page_lock); - enable_irq_lockdep_irqrestore(dev->irq, &flags); - - dev_kfree_skb (skb); - ei_local->stat.tx_bytes += send_length; - - return 0; + return __ei_close(dev); } -/** - * ei_interrupt - handle the interrupts from an 8390 - * @irq: interrupt number - * @dev_id: a pointer to the net_device - * - * Handle the ether interface interrupts. We pull packets from - * the 8390 via the card specific functions and fire them at the networking - * stack. We also handle transmit completions and wake the transmit path if - * necessary. We also update the counters and do other housekeeping as - * needed. - */ - irqreturn_t ei_interrupt(int irq, void *dev_id) { - struct net_device *dev = dev_id; - long e8390_base; - int interrupts, nr_serviced = 0; - struct ei_device *ei_local; - - e8390_base = dev->base_addr; - ei_local = netdev_priv(dev); - - /* - * Protect the irq test too. - */ - - spin_lock(&ei_local->page_lock); - - if (ei_local->irqlock) - { -#if 1 /* This might just be an interrupt for a PCI device sharing this line */ - /* The "irqlock" check is only for testing. */ - printk(ei_local->irqlock - ? "%s: Interrupted while interrupts are masked! isr=%#2x imr=%#2x.\n" - : "%s: Reentering the interrupt handler! isr=%#2x imr=%#2x.\n", - dev->name, inb_p(e8390_base + EN0_ISR), - inb_p(e8390_base + EN0_IMR)); -#endif - spin_unlock(&ei_local->page_lock); - return IRQ_NONE; - } - - /* Change to page 0 and read the intr status reg. */ - outb_p(E8390_NODMA+E8390_PAGE0, e8390_base + E8390_CMD); - if (ei_debug > 3) - printk(KERN_DEBUG "%s: interrupt(isr=%#2.2x).\n", dev->name, - inb_p(e8390_base + EN0_ISR)); - - /* !!Assumption!! -- we stay in page 0. Don't break this. */ - while ((interrupts = inb_p(e8390_base + EN0_ISR)) != 0 - && ++nr_serviced < MAX_SERVICE) - { - if (!netif_running(dev)) { - printk(KERN_WARNING "%s: interrupt from stopped card\n", dev->name); - /* rmk - acknowledge the interrupts */ - outb_p(interrupts, e8390_base + EN0_ISR); - interrupts = 0; - break; - } - if (interrupts & ENISR_OVER) - ei_rx_overrun(dev); - else if (interrupts & (ENISR_RX+ENISR_RX_ERR)) - { - /* Got a good (?) packet. */ - ei_receive(dev); - } - /* Push the next to-transmit packet through. */ - if (interrupts & ENISR_TX) - ei_tx_intr(dev); - else if (interrupts & ENISR_TX_ERR) - ei_tx_err(dev); - - if (interrupts & ENISR_COUNTERS) - { - ei_local->stat.rx_frame_errors += inb_p(e8390_base + EN0_COUNTER0); - ei_local->stat.rx_crc_errors += inb_p(e8390_base + EN0_COUNTER1); - ei_local->stat.rx_missed_errors+= inb_p(e8390_base + EN0_COUNTER2); - outb_p(ENISR_COUNTERS, e8390_base + EN0_ISR); /* Ack intr. */ - } - - /* Ignore any RDC interrupts that make it back to here. */ - if (interrupts & ENISR_RDC) - { - outb_p(ENISR_RDC, e8390_base + EN0_ISR); - } - - outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base + E8390_CMD); - } - - if (interrupts && ei_debug) - { - outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base + E8390_CMD); - if (nr_serviced >= MAX_SERVICE) - { - /* 0xFF is valid for a card removal */ - if(interrupts!=0xFF) - printk(KERN_WARNING "%s: Too much work at interrupt, status %#2.2x\n", - dev->name, interrupts); - outb_p(ENISR_ALL, e8390_base + EN0_ISR); /* Ack. most intrs. */ - } else { - printk(KERN_WARNING "%s: unknown interrupt %#2x\n", dev->name, interrupts); - outb_p(0xff, e8390_base + EN0_ISR); /* Ack. all intrs. */ - } - } - spin_unlock(&ei_local->page_lock); - return IRQ_RETVAL(nr_serviced > 0); + return __ei_interrupt(irq, dev_id); } #ifdef CONFIG_NET_POLL_CONTROLLER void ei_poll(struct net_device *dev) { - disable_irq_lockdep(dev->irq); - ei_interrupt(dev->irq, dev); - enable_irq_lockdep(dev->irq); + __ei_poll(dev); } #endif -/** - * ei_tx_err - handle transmitter error - * @dev: network device which threw the exception - * - * A transmitter error has happened. Most likely excess collisions (which - * is a fairly normal condition). If the error is one where the Tx will - * have been aborted, we try and send another one right away, instead of - * letting the failed packet sit and collect dust in the Tx buffer. This - * is a much better solution as it avoids kernel based Tx timeouts, and - * an unnecessary card reset. - * - * Called with lock held. - */ - -static void ei_tx_err(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - unsigned char txsr = inb_p(e8390_base+EN0_TSR); - unsigned char tx_was_aborted = txsr & (ENTSR_ABT+ENTSR_FU); - -#ifdef VERBOSE_ERROR_DUMP - printk(KERN_DEBUG "%s: transmitter error (%#2x): ", dev->name, txsr); - if (txsr & ENTSR_ABT) - printk("excess-collisions "); - if (txsr & ENTSR_ND) - printk("non-deferral "); - if (txsr & ENTSR_CRS) - printk("lost-carrier "); - if (txsr & ENTSR_FU) - printk("FIFO-underrun "); - if (txsr & ENTSR_CDH) - printk("lost-heartbeat "); - printk("\n"); -#endif - - outb_p(ENISR_TX_ERR, e8390_base + EN0_ISR); /* Ack intr. */ - - if (tx_was_aborted) - ei_tx_intr(dev); - else - { - ei_local->stat.tx_errors++; - if (txsr & ENTSR_CRS) ei_local->stat.tx_carrier_errors++; - if (txsr & ENTSR_CDH) ei_local->stat.tx_heartbeat_errors++; - if (txsr & ENTSR_OWC) ei_local->stat.tx_window_errors++; - } -} - -/** - * ei_tx_intr - transmit interrupt handler - * @dev: network device for which tx intr is handled - * - * We have finished a transmit: check for errors and then trigger the next - * packet to be sent. Called with lock held. - */ - -static void ei_tx_intr(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - int status = inb(e8390_base + EN0_TSR); - - outb_p(ENISR_TX, e8390_base + EN0_ISR); /* Ack intr. */ - - /* - * There are two Tx buffers, see which one finished, and trigger - * the send of another one if it exists. - */ - ei_local->txqueue--; - - if (ei_local->tx1 < 0) - { - if (ei_local->lasttx != 1 && ei_local->lasttx != -1) - printk(KERN_ERR "%s: bogus last_tx_buffer %d, tx1=%d.\n", - ei_local->name, ei_local->lasttx, ei_local->tx1); - ei_local->tx1 = 0; - if (ei_local->tx2 > 0) - { - ei_local->txing = 1; - NS8390_trigger_send(dev, ei_local->tx2, ei_local->tx_start_page + 6); - dev->trans_start = jiffies; - ei_local->tx2 = -1, - ei_local->lasttx = 2; - } - else ei_local->lasttx = 20, ei_local->txing = 0; - } - else if (ei_local->tx2 < 0) - { - if (ei_local->lasttx != 2 && ei_local->lasttx != -2) - printk("%s: bogus last_tx_buffer %d, tx2=%d.\n", - ei_local->name, ei_local->lasttx, ei_local->tx2); - ei_local->tx2 = 0; - if (ei_local->tx1 > 0) - { - ei_local->txing = 1; - NS8390_trigger_send(dev, ei_local->tx1, ei_local->tx_start_page); - dev->trans_start = jiffies; - ei_local->tx1 = -1; - ei_local->lasttx = 1; - } - else - ei_local->lasttx = 10, ei_local->txing = 0; - } -// else printk(KERN_WARNING "%s: unexpected TX-done interrupt, lasttx=%d.\n", -// dev->name, ei_local->lasttx); - - /* Minimize Tx latency: update the statistics after we restart TXing. */ - if (status & ENTSR_COL) - ei_local->stat.collisions++; - if (status & ENTSR_PTX) - ei_local->stat.tx_packets++; - else - { - ei_local->stat.tx_errors++; - if (status & ENTSR_ABT) - { - ei_local->stat.tx_aborted_errors++; - ei_local->stat.collisions += 16; - } - if (status & ENTSR_CRS) - ei_local->stat.tx_carrier_errors++; - if (status & ENTSR_FU) - ei_local->stat.tx_fifo_errors++; - if (status & ENTSR_CDH) - ei_local->stat.tx_heartbeat_errors++; - if (status & ENTSR_OWC) - ei_local->stat.tx_window_errors++; - } - netif_wake_queue(dev); -} - -/** - * ei_receive - receive some packets - * @dev: network device with which receive will be run - * - * We have a good packet(s), get it/them out of the buffers. - * Called with lock held. - */ - -static void ei_receive(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - unsigned char rxing_page, this_frame, next_frame; - unsigned short current_offset; - int rx_pkt_count = 0; - struct e8390_pkt_hdr rx_frame; - int num_rx_pages = ei_local->stop_page-ei_local->rx_start_page; - - while (++rx_pkt_count < 10) - { - int pkt_len, pkt_stat; - - /* Get the rx page (incoming packet pointer). */ - outb_p(E8390_NODMA+E8390_PAGE1, e8390_base + E8390_CMD); - rxing_page = inb_p(e8390_base + EN1_CURPAG); - outb_p(E8390_NODMA+E8390_PAGE0, e8390_base + E8390_CMD); - - /* Remove one frame from the ring. Boundary is always a page behind. */ - this_frame = inb_p(e8390_base + EN0_BOUNDARY) + 1; - if (this_frame >= ei_local->stop_page) - this_frame = ei_local->rx_start_page; - - /* Someday we'll omit the previous, iff we never get this message. - (There is at least one clone claimed to have a problem.) - - Keep quiet if it looks like a card removal. One problem here - is that some clones crash in roughly the same way. - */ - if (ei_debug > 0 && this_frame != ei_local->current_page && (this_frame!=0x0 || rxing_page!=0xFF)) - printk(KERN_ERR "%s: mismatched read page pointers %2x vs %2x.\n", - dev->name, this_frame, ei_local->current_page); - - if (this_frame == rxing_page) /* Read all the frames? */ - break; /* Done for now */ - - current_offset = this_frame << 8; - ei_get_8390_hdr(dev, &rx_frame, this_frame); - - pkt_len = rx_frame.count - sizeof(struct e8390_pkt_hdr); - pkt_stat = rx_frame.status; - - next_frame = this_frame + 1 + ((pkt_len+4)>>8); - - /* Check for bogosity warned by 3c503 book: the status byte is never - written. This happened a lot during testing! This code should be - cleaned up someday. */ - if (rx_frame.next != next_frame - && rx_frame.next != next_frame + 1 - && rx_frame.next != next_frame - num_rx_pages - && rx_frame.next != next_frame + 1 - num_rx_pages) { - ei_local->current_page = rxing_page; - outb(ei_local->current_page-1, e8390_base+EN0_BOUNDARY); - ei_local->stat.rx_errors++; - continue; - } - - if (pkt_len < 60 || pkt_len > 1518) - { - if (ei_debug) - printk(KERN_DEBUG "%s: bogus packet size: %d, status=%#2x nxpg=%#2x.\n", - dev->name, rx_frame.count, rx_frame.status, - rx_frame.next); - ei_local->stat.rx_errors++; - ei_local->stat.rx_length_errors++; - } - else if ((pkt_stat & 0x0F) == ENRSR_RXOK) - { - struct sk_buff *skb; - - skb = dev_alloc_skb(pkt_len+2); - if (skb == NULL) - { - if (ei_debug > 1) - printk(KERN_DEBUG "%s: Couldn't allocate a sk_buff of size %d.\n", - dev->name, pkt_len); - ei_local->stat.rx_dropped++; - break; - } - else - { - skb_reserve(skb,2); /* IP headers on 16 byte boundaries */ - skb->dev = dev; - skb_put(skb, pkt_len); /* Make room */ - ei_block_input(dev, pkt_len, skb, current_offset + sizeof(rx_frame)); - skb->protocol=eth_type_trans(skb,dev); - netif_rx(skb); - dev->last_rx = jiffies; - ei_local->stat.rx_packets++; - ei_local->stat.rx_bytes += pkt_len; - if (pkt_stat & ENRSR_PHY) - ei_local->stat.multicast++; - } - } - else - { - if (ei_debug) - printk(KERN_DEBUG "%s: bogus packet: status=%#2x nxpg=%#2x size=%d\n", - dev->name, rx_frame.status, rx_frame.next, - rx_frame.count); - ei_local->stat.rx_errors++; - /* NB: The NIC counts CRC, frame and missed errors. */ - if (pkt_stat & ENRSR_FO) - ei_local->stat.rx_fifo_errors++; - } - next_frame = rx_frame.next; - - /* This _should_ never happen: it's here for avoiding bad clones. */ - if (next_frame >= ei_local->stop_page) { - printk("%s: next frame inconsistency, %#2x\n", dev->name, - next_frame); - next_frame = ei_local->rx_start_page; - } - ei_local->current_page = next_frame; - outb_p(next_frame-1, e8390_base+EN0_BOUNDARY); - } - - /* We used to also ack ENISR_OVER here, but that would sometimes mask - a real overrun, leaving the 8390 in a stopped state with rec'vr off. */ - outb_p(ENISR_RX+ENISR_RX_ERR, e8390_base+EN0_ISR); - return; -} - -/** - * ei_rx_overrun - handle receiver overrun - * @dev: network device which threw exception - * - * We have a receiver overrun: we have to kick the 8390 to get it started - * again. Problem is that you have to kick it exactly as NS prescribes in - * the updated datasheets, or "the NIC may act in an unpredictable manner." - * This includes causing "the NIC to defer indefinitely when it is stopped - * on a busy network." Ugh. - * Called with lock held. Don't call this with the interrupts off or your - * computer will hate you - it takes 10ms or so. - */ - -static void ei_rx_overrun(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - unsigned char was_txing, must_resend = 0; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - - /* - * Record whether a Tx was in progress and then issue the - * stop command. - */ - was_txing = inb_p(e8390_base+E8390_CMD) & E8390_TRANS; - outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); - - if (ei_debug > 1) - printk(KERN_DEBUG "%s: Receiver overrun.\n", dev->name); - ei_local->stat.rx_over_errors++; - - /* - * Wait a full Tx time (1.2ms) + some guard time, NS says 1.6ms total. - * Early datasheets said to poll the reset bit, but now they say that - * it "is not a reliable indicator and subsequently should be ignored." - * We wait at least 10ms. - */ - - mdelay(10); - - /* - * Reset RBCR[01] back to zero as per magic incantation. - */ - outb_p(0x00, e8390_base+EN0_RCNTLO); - outb_p(0x00, e8390_base+EN0_RCNTHI); - - /* - * See if any Tx was interrupted or not. According to NS, this - * step is vital, and skipping it will cause no end of havoc. - */ - - if (was_txing) - { - unsigned char tx_completed = inb_p(e8390_base+EN0_ISR) & (ENISR_TX+ENISR_TX_ERR); - if (!tx_completed) - must_resend = 1; - } - - /* - * Have to enter loopback mode and then restart the NIC before - * you are allowed to slurp packets up off the ring. - */ - outb_p(E8390_TXOFF, e8390_base + EN0_TXCR); - outb_p(E8390_NODMA + E8390_PAGE0 + E8390_START, e8390_base + E8390_CMD); - - /* - * Clear the Rx ring of all the debris, and ack the interrupt. - */ - ei_receive(dev); - outb_p(ENISR_OVER, e8390_base+EN0_ISR); - - /* - * Leave loopback mode, and resend any packet that got stopped. - */ - outb_p(E8390_TXCONFIG, e8390_base + EN0_TXCR); - if (must_resend) - outb_p(E8390_NODMA + E8390_PAGE0 + E8390_START + E8390_TRANS, e8390_base + E8390_CMD); -} - -/* - * Collect the stats. This is called unlocked and from several contexts. - */ - -static struct net_device_stats *get_stats(struct net_device *dev) -{ - long ioaddr = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - unsigned long flags; - - /* If the card is stopped, just return the present stats. */ - if (!netif_running(dev)) - return &ei_local->stat; - - spin_lock_irqsave(&ei_local->page_lock,flags); - /* Read the counter registers, assuming we are in page 0. */ - ei_local->stat.rx_frame_errors += inb_p(ioaddr + EN0_COUNTER0); - ei_local->stat.rx_crc_errors += inb_p(ioaddr + EN0_COUNTER1); - ei_local->stat.rx_missed_errors+= inb_p(ioaddr + EN0_COUNTER2); - spin_unlock_irqrestore(&ei_local->page_lock, flags); - - return &ei_local->stat; -} - -/* - * Form the 64 bit 8390 multicast table from the linked list of addresses - * associated with this dev structure. - */ - -static inline void make_mc_bits(u8 *bits, struct net_device *dev) -{ - struct dev_mc_list *dmi; - - for (dmi=dev->mc_list; dmi; dmi=dmi->next) - { - u32 crc; - if (dmi->dmi_addrlen != ETH_ALEN) - { - printk(KERN_INFO "%s: invalid multicast address length given.\n", dev->name); - continue; - } - crc = ether_crc(ETH_ALEN, dmi->dmi_addr); - /* - * The 8390 uses the 6 most significant bits of the - * CRC to index the multicast table. - */ - bits[crc>>29] |= (1<<((crc>>26)&7)); - } -} - -/** - * do_set_multicast_list - set/clear multicast filter - * @dev: net device for which multicast filter is adjusted - * - * Set or clear the multicast filter for this adaptor. May be called - * from a BH in 2.1.x. Must be called with lock held. - */ - -static void do_set_multicast_list(struct net_device *dev) -{ - long e8390_base = dev->base_addr; - int i; - struct ei_device *ei_local = (struct ei_device*)netdev_priv(dev); - - if (!(dev->flags&(IFF_PROMISC|IFF_ALLMULTI))) - { - memset(ei_local->mcfilter, 0, 8); - if (dev->mc_list) - make_mc_bits(ei_local->mcfilter, dev); - } - else - memset(ei_local->mcfilter, 0xFF, 8); /* mcast set to accept-all */ - - /* - * DP8390 manuals don't specify any magic sequence for altering - * the multicast regs on an already running card. To be safe, we - * ensure multicast mode is off prior to loading up the new hash - * table. If this proves to be not enough, we can always resort - * to stopping the NIC, loading the table and then restarting. - * - * Bug Alert! The MC regs on the SMC 83C690 (SMC Elite and SMC - * Elite16) appear to be write-only. The NS 8390 data sheet lists - * them as r/w so this is a bug. The SMC 83C790 (SMC Ultra and - * Ultra32 EISA) appears to have this bug fixed. - */ - - if (netif_running(dev)) - outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); - outb_p(E8390_NODMA + E8390_PAGE1, e8390_base + E8390_CMD); - for(i = 0; i < 8; i++) - { - outb_p(ei_local->mcfilter[i], e8390_base + EN1_MULT_SHIFT(i)); -#ifndef BUG_83C690 - if(inb_p(e8390_base + EN1_MULT_SHIFT(i))!=ei_local->mcfilter[i]) - printk(KERN_ERR "Multicast filter read/write mismap %d\n",i); -#endif - } - outb_p(E8390_NODMA + E8390_PAGE0, e8390_base + E8390_CMD); - - if(dev->flags&IFF_PROMISC) - outb_p(E8390_RXCONFIG | 0x18, e8390_base + EN0_RXCR); - else if(dev->flags&IFF_ALLMULTI || dev->mc_list) - outb_p(E8390_RXCONFIG | 0x08, e8390_base + EN0_RXCR); - else - outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); - } - -/* - * Called without lock held. This is invoked from user context and may - * be parallel to just about everything else. Its also fairly quick and - * not called too often. Must protect against both bh and irq users - */ - -static void set_multicast_list(struct net_device *dev) -{ - unsigned long flags; - struct ei_device *ei_local = (struct ei_device*)netdev_priv(dev); - - spin_lock_irqsave(&ei_local->page_lock, flags); - do_set_multicast_list(dev); - spin_unlock_irqrestore(&ei_local->page_lock, flags); -} - -/** - * ethdev_setup - init rest of 8390 device struct - * @dev: network device structure to init - * - * Initialize the rest of the 8390 device structure. Do NOT __init - * this, as it is used by 8390 based modular drivers too. - */ - -static void ethdev_setup(struct net_device *dev) -{ - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - if (ei_debug > 1) - printk(version); - - dev->hard_start_xmit = &ei_start_xmit; - dev->get_stats = get_stats; - dev->set_multicast_list = &set_multicast_list; - - ether_setup(dev); - - spin_lock_init(&ei_local->page_lock); -} - -/** - * alloc_ei_netdev - alloc_etherdev counterpart for 8390 - * @size: extra bytes to allocate - * - * Allocate 8390-specific net_device. - */ struct net_device *__alloc_ei_netdev(int size) { - return alloc_netdev(sizeof(struct ei_device) + size, "eth%d", - ethdev_setup); + return ____alloc_ei_netdev(size); } - - - -/* This page of functions should be 8390 generic */ -/* Follow National Semi's recommendations for initializing the "NIC". */ - -/** - * NS8390_init - initialize 8390 hardware - * @dev: network device to initialize - * @startp: boolean. non-zero value to initiate chip processing - * - * Must be called with lock held. - */ - void NS8390_init(struct net_device *dev, int startp) { - long e8390_base = dev->base_addr; - struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - int i; - int endcfg = ei_local->word16 - ? (0x48 | ENDCFG_WTS | (ei_local->bigendian ? ENDCFG_BOS : 0)) - : 0x48; - - if(sizeof(struct e8390_pkt_hdr)!=4) - panic("8390.c: header struct mispacked\n"); - /* Follow National Semi's recommendations for initing the DP83902. */ - outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); /* 0x21 */ - outb_p(endcfg, e8390_base + EN0_DCFG); /* 0x48 or 0x49 */ - /* Clear the remote byte count registers. */ - outb_p(0x00, e8390_base + EN0_RCNTLO); - outb_p(0x00, e8390_base + EN0_RCNTHI); - /* Set to monitor and loopback mode -- this is vital!. */ - outb_p(E8390_RXOFF, e8390_base + EN0_RXCR); /* 0x20 */ - outb_p(E8390_TXOFF, e8390_base + EN0_TXCR); /* 0x02 */ - /* Set the transmit page and receive ring. */ - outb_p(ei_local->tx_start_page, e8390_base + EN0_TPSR); - ei_local->tx1 = ei_local->tx2 = 0; - outb_p(ei_local->rx_start_page, e8390_base + EN0_STARTPG); - outb_p(ei_local->stop_page-1, e8390_base + EN0_BOUNDARY); /* 3c503 says 0x3f,NS0x26*/ - ei_local->current_page = ei_local->rx_start_page; /* assert boundary+1 */ - outb_p(ei_local->stop_page, e8390_base + EN0_STOPPG); - /* Clear the pending interrupts and mask. */ - outb_p(0xFF, e8390_base + EN0_ISR); - outb_p(0x00, e8390_base + EN0_IMR); - - /* Copy the station address into the DS8390 registers. */ - - outb_p(E8390_NODMA + E8390_PAGE1 + E8390_STOP, e8390_base+E8390_CMD); /* 0x61 */ - for(i = 0; i < 6; i++) - { - outb_p(dev->dev_addr[i], e8390_base + EN1_PHYS_SHIFT(i)); - if (ei_debug > 1 && inb_p(e8390_base + EN1_PHYS_SHIFT(i))!=dev->dev_addr[i]) - printk(KERN_ERR "Hw. address read/write mismap %d\n",i); - } - - outb_p(ei_local->rx_start_page, e8390_base + EN1_CURPAG); - outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); - - netif_start_queue(dev); - ei_local->tx1 = ei_local->tx2 = 0; - ei_local->txing = 0; - - if (startp) - { - outb_p(0xff, e8390_base + EN0_ISR); - outb_p(ENISR_ALL, e8390_base + EN0_IMR); - outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base+E8390_CMD); - outb_p(E8390_TXCONFIG, e8390_base + EN0_TXCR); /* xmit on. */ - /* 3c503 TechMan says rxconfig only after the NIC is started. */ - outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); /* rx on, */ - do_set_multicast_list(dev); /* (re)load the mcast table */ - } -} - -/* Trigger a transmit start, assuming the length is valid. - Always called with the page lock held */ - -static void NS8390_trigger_send(struct net_device *dev, unsigned int length, - int start_page) -{ - long e8390_base = dev->base_addr; - struct ei_device *ei_local __attribute((unused)) = (struct ei_device *) netdev_priv(dev); - - outb_p(E8390_NODMA+E8390_PAGE0, e8390_base+E8390_CMD); - - if (inb_p(e8390_base + E8390_CMD) & E8390_TRANS) - { - printk(KERN_WARNING "%s: trigger_send() called with the transmitter busy.\n", - dev->name); - return; - } - outb_p(length & 0xff, e8390_base + EN0_TCNTLO); - outb_p(length >> 8, e8390_base + EN0_TCNTHI); - outb_p(start_page, e8390_base + EN0_TPSR); - outb_p(E8390_NODMA+E8390_TRANS+E8390_START, e8390_base+E8390_CMD); + return __NS8390_init(dev, startp); } EXPORT_SYMBOL(ei_open); diff --git a/drivers/net/8390.h b/drivers/net/8390.h index f44f1220b3a..fae4aa92c4b 100644 --- a/drivers/net/8390.h +++ b/drivers/net/8390.h @@ -116,26 +116,23 @@ struct ei_device { #undef outb #undef outb_p -#define inb(port) in_8(port) -#define outb(val,port) out_8(port,val) -#define inb_p(port) in_8(port) -#define outb_p(val,port) out_8(port,val) +#define ei_inb(port) in_8(port) +#define ei_outb(val,port) out_8(port,val) +#define ei_inb_p(port) in_8(port) +#define ei_outb_p(val,port) out_8(port,val) -#elif defined(CONFIG_ARM_ETHERH) || defined(CONFIG_ARM_ETHERH_MODULE) +#elif defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) #define EI_SHIFT(x) (ei_local->reg_offset[x]) -#undef inb -#undef inb_p -#undef outb -#undef outb_p +#endif -#define inb(_p) readb(_p) -#define outb(_v,_p) writeb(_v,_p) -#define inb_p(_p) inb(_p) -#define outb_p(_v,_p) outb(_v,_p) +#ifndef ei_inb +#define ei_inb(_p) inb(_p) +#define ei_outb(_v,_p) outb(_v,_p) +#define ei_inb_p(_p) inb_p(_p) +#define ei_outb_p(_v,_p) outb_p(_v,_p) +#endif -#elif defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) -#define EI_SHIFT(x) (ei_local->reg_offset[x]) -#else +#ifndef EI_SHIFT #define EI_SHIFT(x) (x) #endif diff --git a/drivers/net/Makefile b/drivers/net/Makefile index f270bc49e57..53ccc337099 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -90,7 +90,6 @@ obj-$(CONFIG_HP100) += hp100.o obj-$(CONFIG_SMC9194) += smc9194.o obj-$(CONFIG_FEC) += fec.o obj-$(CONFIG_68360_ENET) += 68360enet.o -obj-$(CONFIG_ARM_ETHERH) += 8390.o obj-$(CONFIG_WD80x3) += wd.o 8390.o obj-$(CONFIG_EL2) += 3c503.o 8390.o obj-$(CONFIG_NE2000) += ne.o 8390.o diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 4ae98970b28..747a71f5dd0 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -52,7 +52,12 @@ #include #include -#include "../8390.h" +#define EI_SHIFT(x) (ei_local->reg_offset[x]) + +#define ei_inb(_p) readb(_p) +#define ei_outb(_v,_p) writeb(_v,_p) +#define ei_inb_p(_p) readb(_p) +#define ei_outb_p(_v,_p) writeb(_v,_p) #define NET_DEBUG 0 #define DEBUG_INIT 2 @@ -60,6 +65,11 @@ #define DRV_NAME "etherh" #define DRV_VERSION "1.11" +static char version[] __initdata = + "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; + +#include "../lib8390.c" + static unsigned int net_debug = NET_DEBUG; struct etherh_priv { @@ -87,9 +97,6 @@ MODULE_AUTHOR("Russell King"); MODULE_DESCRIPTION("EtherH/EtherM driver"); MODULE_LICENSE("GPL"); -static char version[] __initdata = - "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; - #define ETHERH500_DATAPORT 0x800 /* MEMC */ #define ETHERH500_NS8390 0x000 /* MEMC */ #define ETHERH500_CTRLPORT 0x800 /* IOC */ @@ -360,7 +367,7 @@ etherh_block_output (struct net_device *dev, int count, const unsigned char *buf printk(KERN_ERR "%s: timeout waiting for TX RDC\n", dev->name); etherh_reset (dev); - NS8390_init (dev, 1); + __NS8390_init (dev, 1); break; } @@ -465,7 +472,7 @@ etherh_open(struct net_device *dev) return -EINVAL; } - if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev)) + if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev)) return -EAGAIN; /* @@ -491,7 +498,7 @@ etherh_open(struct net_device *dev) etherh_setif(dev); etherh_reset(dev); - ei_open(dev); + __ei_open(dev); return 0; } @@ -502,7 +509,7 @@ etherh_open(struct net_device *dev) static int etherh_close(struct net_device *dev) { - ei_close (dev); + __ei_close (dev); free_irq (dev->irq, dev); return 0; } @@ -650,7 +657,7 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) if (ret) goto out; - dev = __alloc_ei_netdev(sizeof(struct etherh_priv)); + dev = ____alloc_ei_netdev(sizeof(struct etherh_priv)); if (!dev) { ret = -ENOMEM; goto release; @@ -736,7 +743,7 @@ etherh_probe(struct expansion_card *ec, const struct ecard_id *id) ei_local->interface_num = 0; etherh_reset(dev); - NS8390_init(dev, 0); + __NS8390_init(dev, 0); ret = register_netdev(dev); if (ret) diff --git a/drivers/net/lib8390.c b/drivers/net/lib8390.c new file mode 100644 index 00000000000..e726c06b8dc --- /dev/null +++ b/drivers/net/lib8390.c @@ -0,0 +1,1097 @@ +/* 8390.c: A general NS8390 ethernet driver core for linux. */ +/* + Written 1992-94 by Donald Becker. + + Copyright 1993 United States Government as represented by the + Director, National Security Agency. + + This software may be used and distributed according to the terms + of the GNU General Public License, incorporated herein by reference. + + The author may be reached as becker@scyld.com, or C/O + Scyld Computing Corporation + 410 Severn Ave., Suite 210 + Annapolis MD 21403 + + + This is the chip-specific code for many 8390-based ethernet adaptors. + This is not a complete driver, it must be combined with board-specific + code such as ne.c, wd.c, 3c503.c, etc. + + Seeing how at least eight drivers use this code, (not counting the + PCMCIA ones either) it is easy to break some card by what seems like + a simple innocent change. Please contact me or Donald if you think + you have found something that needs changing. -- PG + + + Changelog: + + Paul Gortmaker : remove set_bit lock, other cleanups. + Paul Gortmaker : add ei_get_8390_hdr() so we can pass skb's to + ei_block_input() for eth_io_copy_and_sum(). + Paul Gortmaker : exchange static int ei_pingpong for a #define, + also add better Tx error handling. + Paul Gortmaker : rewrite Rx overrun handling as per NS specs. + Alexey Kuznetsov : use the 8390's six bit hash multicast filter. + Paul Gortmaker : tweak ANK's above multicast changes a bit. + Paul Gortmaker : update packet statistics for v2.1.x + Alan Cox : support arbitary stupid port mappings on the + 68K Macintosh. Support >16bit I/O spaces + Paul Gortmaker : add kmod support for auto-loading of the 8390 + module by all drivers that require it. + Alan Cox : Spinlocking work, added 'BUG_83C690' + Paul Gortmaker : Separate out Tx timeout code from Tx path. + Paul Gortmaker : Remove old unused single Tx buffer code. + Hayato Fujiwara : Add m32r support. + Paul Gortmaker : use skb_padto() instead of stack scratch area + + Sources: + The National Semiconductor LAN Databook, and the 3Com 3c503 databook. + + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define NS8390_CORE +#include "8390.h" + +#define BUG_83C690 + +/* These are the operational function interfaces to board-specific + routines. + void reset_8390(struct net_device *dev) + Resets the board associated with DEV, including a hardware reset of + the 8390. This is only called when there is a transmit timeout, and + it is always followed by 8390_init(). + void block_output(struct net_device *dev, int count, const unsigned char *buf, + int start_page) + Write the COUNT bytes of BUF to the packet buffer at START_PAGE. The + "page" value uses the 8390's 256-byte pages. + void get_8390_hdr(struct net_device *dev, struct e8390_hdr *hdr, int ring_page) + Read the 4 byte, page aligned 8390 header. *If* there is a + subsequent read, it will be of the rest of the packet. + void block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) + Read COUNT bytes from the packet buffer into the skb data area. Start + reading from RING_OFFSET, the address as the 8390 sees it. This will always + follow the read of the 8390 header. +*/ +#define ei_reset_8390 (ei_local->reset_8390) +#define ei_block_output (ei_local->block_output) +#define ei_block_input (ei_local->block_input) +#define ei_get_8390_hdr (ei_local->get_8390_hdr) + +/* use 0 for production, 1 for verification, >2 for debug */ +#ifndef ei_debug +int ei_debug = 1; +#endif + +/* Index to functions. */ +static void ei_tx_intr(struct net_device *dev); +static void ei_tx_err(struct net_device *dev); +static void ei_tx_timeout(struct net_device *dev); +static void ei_receive(struct net_device *dev); +static void ei_rx_overrun(struct net_device *dev); + +/* Routines generic to NS8390-based boards. */ +static void NS8390_trigger_send(struct net_device *dev, unsigned int length, + int start_page); +static void set_multicast_list(struct net_device *dev); +static void do_set_multicast_list(struct net_device *dev); +static void __NS8390_init(struct net_device *dev, int startp); + +/* + * SMP and the 8390 setup. + * + * The 8390 isnt exactly designed to be multithreaded on RX/TX. There is + * a page register that controls bank and packet buffer access. We guard + * this with ei_local->page_lock. Nobody should assume or set the page other + * than zero when the lock is not held. Lock holders must restore page 0 + * before unlocking. Even pure readers must take the lock to protect in + * page 0. + * + * To make life difficult the chip can also be very slow. We therefore can't + * just use spinlocks. For the longer lockups we disable the irq the device + * sits on and hold the lock. We must hold the lock because there is a dual + * processor case other than interrupts (get stats/set multicast list in + * parallel with each other and transmit). + * + * Note: in theory we can just disable the irq on the card _but_ there is + * a latency on SMP irq delivery. So we can easily go "disable irq" "sync irqs" + * enter lock, take the queued irq. So we waddle instead of flying. + * + * Finally by special arrangement for the purpose of being generally + * annoying the transmit function is called bh atomic. That places + * restrictions on the user context callers as disable_irq won't save + * them. + */ + + + +/** + * ei_open - Open/initialize the board. + * @dev: network device to initialize + * + * This routine goes all-out, setting everything + * up anew at each open, even though many of these registers should only + * need to be set once at boot. + */ +static int __ei_open(struct net_device *dev) +{ + unsigned long flags; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + + /* The card I/O part of the driver (e.g. 3c503) can hook a Tx timeout + wrapper that does e.g. media check & then calls ei_tx_timeout. */ + if (dev->tx_timeout == NULL) + dev->tx_timeout = ei_tx_timeout; + if (dev->watchdog_timeo <= 0) + dev->watchdog_timeo = TX_TIMEOUT; + + /* + * Grab the page lock so we own the register set, then call + * the init function. + */ + + spin_lock_irqsave(&ei_local->page_lock, flags); + __NS8390_init(dev, 1); + /* Set the flag before we drop the lock, That way the IRQ arrives + after its set and we get no silly warnings */ + netif_start_queue(dev); + spin_unlock_irqrestore(&ei_local->page_lock, flags); + ei_local->irqlock = 0; + return 0; +} + +/** + * ei_close - shut down network device + * @dev: network device to close + * + * Opposite of ei_open(). Only used when "ifconfig down" is done. + */ +static int __ei_close(struct net_device *dev) +{ + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + unsigned long flags; + + /* + * Hold the page lock during close + */ + + spin_lock_irqsave(&ei_local->page_lock, flags); + __NS8390_init(dev, 0); + spin_unlock_irqrestore(&ei_local->page_lock, flags); + netif_stop_queue(dev); + return 0; +} + +/** + * ei_tx_timeout - handle transmit time out condition + * @dev: network device which has apparently fallen asleep + * + * Called by kernel when device never acknowledges a transmit has + * completed (or failed) - i.e. never posted a Tx related interrupt. + */ + +static void ei_tx_timeout(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + int txsr, isr, tickssofar = jiffies - dev->trans_start; + unsigned long flags; + +#if defined(CONFIG_M32R) && defined(CONFIG_SMP) + unsigned long icucr; + + local_irq_save(flags); + icucr = inl(M32R_ICU_CR1_PORTL); + icucr |= M32R_ICUCR_ISMOD11; + outl(icucr, M32R_ICU_CR1_PORTL); + local_irq_restore(flags); +#endif + ei_local->stat.tx_errors++; + + spin_lock_irqsave(&ei_local->page_lock, flags); + txsr = ei_inb(e8390_base+EN0_TSR); + isr = ei_inb(e8390_base+EN0_ISR); + spin_unlock_irqrestore(&ei_local->page_lock, flags); + + printk(KERN_DEBUG "%s: Tx timed out, %s TSR=%#2x, ISR=%#2x, t=%d.\n", + dev->name, (txsr & ENTSR_ABT) ? "excess collisions." : + (isr) ? "lost interrupt?" : "cable problem?", txsr, isr, tickssofar); + + if (!isr && !ei_local->stat.tx_packets) + { + /* The 8390 probably hasn't gotten on the cable yet. */ + ei_local->interface_num ^= 1; /* Try a different xcvr. */ + } + + /* Ugly but a reset can be slow, yet must be protected */ + + disable_irq_nosync_lockdep(dev->irq); + spin_lock(&ei_local->page_lock); + + /* Try to restart the card. Perhaps the user has fixed something. */ + ei_reset_8390(dev); + __NS8390_init(dev, 1); + + spin_unlock(&ei_local->page_lock); + enable_irq_lockdep(dev->irq); + netif_wake_queue(dev); +} + +/** + * ei_start_xmit - begin packet transmission + * @skb: packet to be sent + * @dev: network device to which packet is sent + * + * Sends a packet to an 8390 network device. + */ + +static int ei_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + int send_length = skb->len, output_page; + unsigned long flags; + char buf[ETH_ZLEN]; + char *data = skb->data; + + if (skb->len < ETH_ZLEN) { + memset(buf, 0, ETH_ZLEN); /* more efficient than doing just the needed bits */ + memcpy(buf, data, skb->len); + send_length = ETH_ZLEN; + data = buf; + } + + /* Mask interrupts from the ethercard. + SMP: We have to grab the lock here otherwise the IRQ handler + on another CPU can flip window and race the IRQ mask set. We end + up trashing the mcast filter not disabling irqs if we don't lock */ + + spin_lock_irqsave(&ei_local->page_lock, flags); + ei_outb_p(0x00, e8390_base + EN0_IMR); + spin_unlock_irqrestore(&ei_local->page_lock, flags); + + + /* + * Slow phase with lock held. + */ + + disable_irq_nosync_lockdep_irqsave(dev->irq, &flags); + + spin_lock(&ei_local->page_lock); + + ei_local->irqlock = 1; + + /* + * We have two Tx slots available for use. Find the first free + * slot, and then perform some sanity checks. With two Tx bufs, + * you get very close to transmitting back-to-back packets. With + * only one Tx buf, the transmitter sits idle while you reload the + * card, leaving a substantial gap between each transmitted packet. + */ + + if (ei_local->tx1 == 0) + { + output_page = ei_local->tx_start_page; + ei_local->tx1 = send_length; + if (ei_debug && ei_local->tx2 > 0) + printk(KERN_DEBUG "%s: idle transmitter tx2=%d, lasttx=%d, txing=%d.\n", + dev->name, ei_local->tx2, ei_local->lasttx, ei_local->txing); + } + else if (ei_local->tx2 == 0) + { + output_page = ei_local->tx_start_page + TX_PAGES/2; + ei_local->tx2 = send_length; + if (ei_debug && ei_local->tx1 > 0) + printk(KERN_DEBUG "%s: idle transmitter, tx1=%d, lasttx=%d, txing=%d.\n", + dev->name, ei_local->tx1, ei_local->lasttx, ei_local->txing); + } + else + { /* We should never get here. */ + if (ei_debug) + printk(KERN_DEBUG "%s: No Tx buffers free! tx1=%d tx2=%d last=%d\n", + dev->name, ei_local->tx1, ei_local->tx2, ei_local->lasttx); + ei_local->irqlock = 0; + netif_stop_queue(dev); + ei_outb_p(ENISR_ALL, e8390_base + EN0_IMR); + spin_unlock(&ei_local->page_lock); + enable_irq_lockdep_irqrestore(dev->irq, &flags); + ei_local->stat.tx_errors++; + return 1; + } + + /* + * Okay, now upload the packet and trigger a send if the transmitter + * isn't already sending. If it is busy, the interrupt handler will + * trigger the send later, upon receiving a Tx done interrupt. + */ + + ei_block_output(dev, send_length, data, output_page); + + if (! ei_local->txing) + { + ei_local->txing = 1; + NS8390_trigger_send(dev, send_length, output_page); + dev->trans_start = jiffies; + if (output_page == ei_local->tx_start_page) + { + ei_local->tx1 = -1; + ei_local->lasttx = -1; + } + else + { + ei_local->tx2 = -1; + ei_local->lasttx = -2; + } + } + else ei_local->txqueue++; + + if (ei_local->tx1 && ei_local->tx2) + netif_stop_queue(dev); + else + netif_start_queue(dev); + + /* Turn 8390 interrupts back on. */ + ei_local->irqlock = 0; + ei_outb_p(ENISR_ALL, e8390_base + EN0_IMR); + + spin_unlock(&ei_local->page_lock); + enable_irq_lockdep_irqrestore(dev->irq, &flags); + + dev_kfree_skb (skb); + ei_local->stat.tx_bytes += send_length; + + return 0; +} + +/** + * ei_interrupt - handle the interrupts from an 8390 + * @irq: interrupt number + * @dev_id: a pointer to the net_device + * + * Handle the ether interface interrupts. We pull packets from + * the 8390 via the card specific functions and fire them at the networking + * stack. We also handle transmit completions and wake the transmit path if + * necessary. We also update the counters and do other housekeeping as + * needed. + */ + +static irqreturn_t __ei_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + unsigned long e8390_base = dev->base_addr; + int interrupts, nr_serviced = 0; + struct ei_device *ei_local = netdev_priv(dev); + + /* + * Protect the irq test too. + */ + + spin_lock(&ei_local->page_lock); + + if (ei_local->irqlock) + { +#if 1 /* This might just be an interrupt for a PCI device sharing this line */ + /* The "irqlock" check is only for testing. */ + printk(ei_local->irqlock + ? "%s: Interrupted while interrupts are masked! isr=%#2x imr=%#2x.\n" + : "%s: Reentering the interrupt handler! isr=%#2x imr=%#2x.\n", + dev->name, ei_inb_p(e8390_base + EN0_ISR), + ei_inb_p(e8390_base + EN0_IMR)); +#endif + spin_unlock(&ei_local->page_lock); + return IRQ_NONE; + } + + /* Change to page 0 and read the intr status reg. */ + ei_outb_p(E8390_NODMA+E8390_PAGE0, e8390_base + E8390_CMD); + if (ei_debug > 3) + printk(KERN_DEBUG "%s: interrupt(isr=%#2.2x).\n", dev->name, + ei_inb_p(e8390_base + EN0_ISR)); + + /* !!Assumption!! -- we stay in page 0. Don't break this. */ + while ((interrupts = ei_inb_p(e8390_base + EN0_ISR)) != 0 + && ++nr_serviced < MAX_SERVICE) + { + if (!netif_running(dev)) { + printk(KERN_WARNING "%s: interrupt from stopped card\n", dev->name); + /* rmk - acknowledge the interrupts */ + ei_outb_p(interrupts, e8390_base + EN0_ISR); + interrupts = 0; + break; + } + if (interrupts & ENISR_OVER) + ei_rx_overrun(dev); + else if (interrupts & (ENISR_RX+ENISR_RX_ERR)) + { + /* Got a good (?) packet. */ + ei_receive(dev); + } + /* Push the next to-transmit packet through. */ + if (interrupts & ENISR_TX) + ei_tx_intr(dev); + else if (interrupts & ENISR_TX_ERR) + ei_tx_err(dev); + + if (interrupts & ENISR_COUNTERS) + { + ei_local->stat.rx_frame_errors += ei_inb_p(e8390_base + EN0_COUNTER0); + ei_local->stat.rx_crc_errors += ei_inb_p(e8390_base + EN0_COUNTER1); + ei_local->stat.rx_missed_errors+= ei_inb_p(e8390_base + EN0_COUNTER2); + ei_outb_p(ENISR_COUNTERS, e8390_base + EN0_ISR); /* Ack intr. */ + } + + /* Ignore any RDC interrupts that make it back to here. */ + if (interrupts & ENISR_RDC) + { + ei_outb_p(ENISR_RDC, e8390_base + EN0_ISR); + } + + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base + E8390_CMD); + } + + if (interrupts && ei_debug) + { + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base + E8390_CMD); + if (nr_serviced >= MAX_SERVICE) + { + /* 0xFF is valid for a card removal */ + if(interrupts!=0xFF) + printk(KERN_WARNING "%s: Too much work at interrupt, status %#2.2x\n", + dev->name, interrupts); + ei_outb_p(ENISR_ALL, e8390_base + EN0_ISR); /* Ack. most intrs. */ + } else { + printk(KERN_WARNING "%s: unknown interrupt %#2x\n", dev->name, interrupts); + ei_outb_p(0xff, e8390_base + EN0_ISR); /* Ack. all intrs. */ + } + } + spin_unlock(&ei_local->page_lock); + return IRQ_RETVAL(nr_serviced > 0); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void __ei_poll(struct net_device *dev) +{ + disable_irq_lockdep(dev->irq); + __ei_interrupt(dev->irq, dev); + enable_irq_lockdep(dev->irq); +} +#endif + +/** + * ei_tx_err - handle transmitter error + * @dev: network device which threw the exception + * + * A transmitter error has happened. Most likely excess collisions (which + * is a fairly normal condition). If the error is one where the Tx will + * have been aborted, we try and send another one right away, instead of + * letting the failed packet sit and collect dust in the Tx buffer. This + * is a much better solution as it avoids kernel based Tx timeouts, and + * an unnecessary card reset. + * + * Called with lock held. + */ + +static void ei_tx_err(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + unsigned char txsr = ei_inb_p(e8390_base+EN0_TSR); + unsigned char tx_was_aborted = txsr & (ENTSR_ABT+ENTSR_FU); + +#ifdef VERBOSE_ERROR_DUMP + printk(KERN_DEBUG "%s: transmitter error (%#2x): ", dev->name, txsr); + if (txsr & ENTSR_ABT) + printk("excess-collisions "); + if (txsr & ENTSR_ND) + printk("non-deferral "); + if (txsr & ENTSR_CRS) + printk("lost-carrier "); + if (txsr & ENTSR_FU) + printk("FIFO-underrun "); + if (txsr & ENTSR_CDH) + printk("lost-heartbeat "); + printk("\n"); +#endif + + ei_outb_p(ENISR_TX_ERR, e8390_base + EN0_ISR); /* Ack intr. */ + + if (tx_was_aborted) + ei_tx_intr(dev); + else + { + ei_local->stat.tx_errors++; + if (txsr & ENTSR_CRS) ei_local->stat.tx_carrier_errors++; + if (txsr & ENTSR_CDH) ei_local->stat.tx_heartbeat_errors++; + if (txsr & ENTSR_OWC) ei_local->stat.tx_window_errors++; + } +} + +/** + * ei_tx_intr - transmit interrupt handler + * @dev: network device for which tx intr is handled + * + * We have finished a transmit: check for errors and then trigger the next + * packet to be sent. Called with lock held. + */ + +static void ei_tx_intr(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + int status = ei_inb(e8390_base + EN0_TSR); + + ei_outb_p(ENISR_TX, e8390_base + EN0_ISR); /* Ack intr. */ + + /* + * There are two Tx buffers, see which one finished, and trigger + * the send of another one if it exists. + */ + ei_local->txqueue--; + + if (ei_local->tx1 < 0) + { + if (ei_local->lasttx != 1 && ei_local->lasttx != -1) + printk(KERN_ERR "%s: bogus last_tx_buffer %d, tx1=%d.\n", + ei_local->name, ei_local->lasttx, ei_local->tx1); + ei_local->tx1 = 0; + if (ei_local->tx2 > 0) + { + ei_local->txing = 1; + NS8390_trigger_send(dev, ei_local->tx2, ei_local->tx_start_page + 6); + dev->trans_start = jiffies; + ei_local->tx2 = -1, + ei_local->lasttx = 2; + } + else ei_local->lasttx = 20, ei_local->txing = 0; + } + else if (ei_local->tx2 < 0) + { + if (ei_local->lasttx != 2 && ei_local->lasttx != -2) + printk("%s: bogus last_tx_buffer %d, tx2=%d.\n", + ei_local->name, ei_local->lasttx, ei_local->tx2); + ei_local->tx2 = 0; + if (ei_local->tx1 > 0) + { + ei_local->txing = 1; + NS8390_trigger_send(dev, ei_local->tx1, ei_local->tx_start_page); + dev->trans_start = jiffies; + ei_local->tx1 = -1; + ei_local->lasttx = 1; + } + else + ei_local->lasttx = 10, ei_local->txing = 0; + } +// else printk(KERN_WARNING "%s: unexpected TX-done interrupt, lasttx=%d.\n", +// dev->name, ei_local->lasttx); + + /* Minimize Tx latency: update the statistics after we restart TXing. */ + if (status & ENTSR_COL) + ei_local->stat.collisions++; + if (status & ENTSR_PTX) + ei_local->stat.tx_packets++; + else + { + ei_local->stat.tx_errors++; + if (status & ENTSR_ABT) + { + ei_local->stat.tx_aborted_errors++; + ei_local->stat.collisions += 16; + } + if (status & ENTSR_CRS) + ei_local->stat.tx_carrier_errors++; + if (status & ENTSR_FU) + ei_local->stat.tx_fifo_errors++; + if (status & ENTSR_CDH) + ei_local->stat.tx_heartbeat_errors++; + if (status & ENTSR_OWC) + ei_local->stat.tx_window_errors++; + } + netif_wake_queue(dev); +} + +/** + * ei_receive - receive some packets + * @dev: network device with which receive will be run + * + * We have a good packet(s), get it/them out of the buffers. + * Called with lock held. + */ + +static void ei_receive(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + unsigned char rxing_page, this_frame, next_frame; + unsigned short current_offset; + int rx_pkt_count = 0; + struct e8390_pkt_hdr rx_frame; + int num_rx_pages = ei_local->stop_page-ei_local->rx_start_page; + + while (++rx_pkt_count < 10) + { + int pkt_len, pkt_stat; + + /* Get the rx page (incoming packet pointer). */ + ei_outb_p(E8390_NODMA+E8390_PAGE1, e8390_base + E8390_CMD); + rxing_page = ei_inb_p(e8390_base + EN1_CURPAG); + ei_outb_p(E8390_NODMA+E8390_PAGE0, e8390_base + E8390_CMD); + + /* Remove one frame from the ring. Boundary is always a page behind. */ + this_frame = ei_inb_p(e8390_base + EN0_BOUNDARY) + 1; + if (this_frame >= ei_local->stop_page) + this_frame = ei_local->rx_start_page; + + /* Someday we'll omit the previous, iff we never get this message. + (There is at least one clone claimed to have a problem.) + + Keep quiet if it looks like a card removal. One problem here + is that some clones crash in roughly the same way. + */ + if (ei_debug > 0 && this_frame != ei_local->current_page && (this_frame!=0x0 || rxing_page!=0xFF)) + printk(KERN_ERR "%s: mismatched read page pointers %2x vs %2x.\n", + dev->name, this_frame, ei_local->current_page); + + if (this_frame == rxing_page) /* Read all the frames? */ + break; /* Done for now */ + + current_offset = this_frame << 8; + ei_get_8390_hdr(dev, &rx_frame, this_frame); + + pkt_len = rx_frame.count - sizeof(struct e8390_pkt_hdr); + pkt_stat = rx_frame.status; + + next_frame = this_frame + 1 + ((pkt_len+4)>>8); + + /* Check for bogosity warned by 3c503 book: the status byte is never + written. This happened a lot during testing! This code should be + cleaned up someday. */ + if (rx_frame.next != next_frame + && rx_frame.next != next_frame + 1 + && rx_frame.next != next_frame - num_rx_pages + && rx_frame.next != next_frame + 1 - num_rx_pages) { + ei_local->current_page = rxing_page; + ei_outb(ei_local->current_page-1, e8390_base+EN0_BOUNDARY); + ei_local->stat.rx_errors++; + continue; + } + + if (pkt_len < 60 || pkt_len > 1518) + { + if (ei_debug) + printk(KERN_DEBUG "%s: bogus packet size: %d, status=%#2x nxpg=%#2x.\n", + dev->name, rx_frame.count, rx_frame.status, + rx_frame.next); + ei_local->stat.rx_errors++; + ei_local->stat.rx_length_errors++; + } + else if ((pkt_stat & 0x0F) == ENRSR_RXOK) + { + struct sk_buff *skb; + + skb = dev_alloc_skb(pkt_len+2); + if (skb == NULL) + { + if (ei_debug > 1) + printk(KERN_DEBUG "%s: Couldn't allocate a sk_buff of size %d.\n", + dev->name, pkt_len); + ei_local->stat.rx_dropped++; + break; + } + else + { + skb_reserve(skb,2); /* IP headers on 16 byte boundaries */ + skb->dev = dev; + skb_put(skb, pkt_len); /* Make room */ + ei_block_input(dev, pkt_len, skb, current_offset + sizeof(rx_frame)); + skb->protocol=eth_type_trans(skb,dev); + netif_rx(skb); + dev->last_rx = jiffies; + ei_local->stat.rx_packets++; + ei_local->stat.rx_bytes += pkt_len; + if (pkt_stat & ENRSR_PHY) + ei_local->stat.multicast++; + } + } + else + { + if (ei_debug) + printk(KERN_DEBUG "%s: bogus packet: status=%#2x nxpg=%#2x size=%d\n", + dev->name, rx_frame.status, rx_frame.next, + rx_frame.count); + ei_local->stat.rx_errors++; + /* NB: The NIC counts CRC, frame and missed errors. */ + if (pkt_stat & ENRSR_FO) + ei_local->stat.rx_fifo_errors++; + } + next_frame = rx_frame.next; + + /* This _should_ never happen: it's here for avoiding bad clones. */ + if (next_frame >= ei_local->stop_page) { + printk("%s: next frame inconsistency, %#2x\n", dev->name, + next_frame); + next_frame = ei_local->rx_start_page; + } + ei_local->current_page = next_frame; + ei_outb_p(next_frame-1, e8390_base+EN0_BOUNDARY); + } + + /* We used to also ack ENISR_OVER here, but that would sometimes mask + a real overrun, leaving the 8390 in a stopped state with rec'vr off. */ + ei_outb_p(ENISR_RX+ENISR_RX_ERR, e8390_base+EN0_ISR); + return; +} + +/** + * ei_rx_overrun - handle receiver overrun + * @dev: network device which threw exception + * + * We have a receiver overrun: we have to kick the 8390 to get it started + * again. Problem is that you have to kick it exactly as NS prescribes in + * the updated datasheets, or "the NIC may act in an unpredictable manner." + * This includes causing "the NIC to defer indefinitely when it is stopped + * on a busy network." Ugh. + * Called with lock held. Don't call this with the interrupts off or your + * computer will hate you - it takes 10ms or so. + */ + +static void ei_rx_overrun(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + unsigned char was_txing, must_resend = 0; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + + /* + * Record whether a Tx was in progress and then issue the + * stop command. + */ + was_txing = ei_inb_p(e8390_base+E8390_CMD) & E8390_TRANS; + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); + + if (ei_debug > 1) + printk(KERN_DEBUG "%s: Receiver overrun.\n", dev->name); + ei_local->stat.rx_over_errors++; + + /* + * Wait a full Tx time (1.2ms) + some guard time, NS says 1.6ms total. + * Early datasheets said to poll the reset bit, but now they say that + * it "is not a reliable indicator and subsequently should be ignored." + * We wait at least 10ms. + */ + + mdelay(10); + + /* + * Reset RBCR[01] back to zero as per magic incantation. + */ + ei_outb_p(0x00, e8390_base+EN0_RCNTLO); + ei_outb_p(0x00, e8390_base+EN0_RCNTHI); + + /* + * See if any Tx was interrupted or not. According to NS, this + * step is vital, and skipping it will cause no end of havoc. + */ + + if (was_txing) + { + unsigned char tx_completed = ei_inb_p(e8390_base+EN0_ISR) & (ENISR_TX+ENISR_TX_ERR); + if (!tx_completed) + must_resend = 1; + } + + /* + * Have to enter loopback mode and then restart the NIC before + * you are allowed to slurp packets up off the ring. + */ + ei_outb_p(E8390_TXOFF, e8390_base + EN0_TXCR); + ei_outb_p(E8390_NODMA + E8390_PAGE0 + E8390_START, e8390_base + E8390_CMD); + + /* + * Clear the Rx ring of all the debris, and ack the interrupt. + */ + ei_receive(dev); + ei_outb_p(ENISR_OVER, e8390_base+EN0_ISR); + + /* + * Leave loopback mode, and resend any packet that got stopped. + */ + ei_outb_p(E8390_TXCONFIG, e8390_base + EN0_TXCR); + if (must_resend) + ei_outb_p(E8390_NODMA + E8390_PAGE0 + E8390_START + E8390_TRANS, e8390_base + E8390_CMD); +} + +/* + * Collect the stats. This is called unlocked and from several contexts. + */ + +static struct net_device_stats *get_stats(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + unsigned long flags; + + /* If the card is stopped, just return the present stats. */ + if (!netif_running(dev)) + return &ei_local->stat; + + spin_lock_irqsave(&ei_local->page_lock,flags); + /* Read the counter registers, assuming we are in page 0. */ + ei_local->stat.rx_frame_errors += ei_inb_p(ioaddr + EN0_COUNTER0); + ei_local->stat.rx_crc_errors += ei_inb_p(ioaddr + EN0_COUNTER1); + ei_local->stat.rx_missed_errors+= ei_inb_p(ioaddr + EN0_COUNTER2); + spin_unlock_irqrestore(&ei_local->page_lock, flags); + + return &ei_local->stat; +} + +/* + * Form the 64 bit 8390 multicast table from the linked list of addresses + * associated with this dev structure. + */ + +static inline void make_mc_bits(u8 *bits, struct net_device *dev) +{ + struct dev_mc_list *dmi; + + for (dmi=dev->mc_list; dmi; dmi=dmi->next) + { + u32 crc; + if (dmi->dmi_addrlen != ETH_ALEN) + { + printk(KERN_INFO "%s: invalid multicast address length given.\n", dev->name); + continue; + } + crc = ether_crc(ETH_ALEN, dmi->dmi_addr); + /* + * The 8390 uses the 6 most significant bits of the + * CRC to index the multicast table. + */ + bits[crc>>29] |= (1<<((crc>>26)&7)); + } +} + +/** + * do_set_multicast_list - set/clear multicast filter + * @dev: net device for which multicast filter is adjusted + * + * Set or clear the multicast filter for this adaptor. May be called + * from a BH in 2.1.x. Must be called with lock held. + */ + +static void do_set_multicast_list(struct net_device *dev) +{ + unsigned long e8390_base = dev->base_addr; + int i; + struct ei_device *ei_local = (struct ei_device*)netdev_priv(dev); + + if (!(dev->flags&(IFF_PROMISC|IFF_ALLMULTI))) + { + memset(ei_local->mcfilter, 0, 8); + if (dev->mc_list) + make_mc_bits(ei_local->mcfilter, dev); + } + else + memset(ei_local->mcfilter, 0xFF, 8); /* mcast set to accept-all */ + + /* + * DP8390 manuals don't specify any magic sequence for altering + * the multicast regs on an already running card. To be safe, we + * ensure multicast mode is off prior to loading up the new hash + * table. If this proves to be not enough, we can always resort + * to stopping the NIC, loading the table and then restarting. + * + * Bug Alert! The MC regs on the SMC 83C690 (SMC Elite and SMC + * Elite16) appear to be write-only. The NS 8390 data sheet lists + * them as r/w so this is a bug. The SMC 83C790 (SMC Ultra and + * Ultra32 EISA) appears to have this bug fixed. + */ + + if (netif_running(dev)) + ei_outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); + ei_outb_p(E8390_NODMA + E8390_PAGE1, e8390_base + E8390_CMD); + for(i = 0; i < 8; i++) + { + ei_outb_p(ei_local->mcfilter[i], e8390_base + EN1_MULT_SHIFT(i)); +#ifndef BUG_83C690 + if(ei_inb_p(e8390_base + EN1_MULT_SHIFT(i))!=ei_local->mcfilter[i]) + printk(KERN_ERR "Multicast filter read/write mismap %d\n",i); +#endif + } + ei_outb_p(E8390_NODMA + E8390_PAGE0, e8390_base + E8390_CMD); + + if(dev->flags&IFF_PROMISC) + ei_outb_p(E8390_RXCONFIG | 0x18, e8390_base + EN0_RXCR); + else if(dev->flags&IFF_ALLMULTI || dev->mc_list) + ei_outb_p(E8390_RXCONFIG | 0x08, e8390_base + EN0_RXCR); + else + ei_outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); + } + +/* + * Called without lock held. This is invoked from user context and may + * be parallel to just about everything else. Its also fairly quick and + * not called too often. Must protect against both bh and irq users + */ + +static void set_multicast_list(struct net_device *dev) +{ + unsigned long flags; + struct ei_device *ei_local = (struct ei_device*)netdev_priv(dev); + + spin_lock_irqsave(&ei_local->page_lock, flags); + do_set_multicast_list(dev); + spin_unlock_irqrestore(&ei_local->page_lock, flags); +} + +/** + * ethdev_setup - init rest of 8390 device struct + * @dev: network device structure to init + * + * Initialize the rest of the 8390 device structure. Do NOT __init + * this, as it is used by 8390 based modular drivers too. + */ + +static void ethdev_setup(struct net_device *dev) +{ + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + if (ei_debug > 1) + printk(version); + + dev->hard_start_xmit = &ei_start_xmit; + dev->get_stats = get_stats; + dev->set_multicast_list = &set_multicast_list; + + ether_setup(dev); + + spin_lock_init(&ei_local->page_lock); +} + +/** + * alloc_ei_netdev - alloc_etherdev counterpart for 8390 + * @size: extra bytes to allocate + * + * Allocate 8390-specific net_device. + */ +static struct net_device *____alloc_ei_netdev(int size) +{ + return alloc_netdev(sizeof(struct ei_device) + size, "eth%d", + ethdev_setup); +} + + + + +/* This page of functions should be 8390 generic */ +/* Follow National Semi's recommendations for initializing the "NIC". */ + +/** + * NS8390_init - initialize 8390 hardware + * @dev: network device to initialize + * @startp: boolean. non-zero value to initiate chip processing + * + * Must be called with lock held. + */ + +static void __NS8390_init(struct net_device *dev, int startp) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); + int i; + int endcfg = ei_local->word16 + ? (0x48 | ENDCFG_WTS | (ei_local->bigendian ? ENDCFG_BOS : 0)) + : 0x48; + + if(sizeof(struct e8390_pkt_hdr)!=4) + panic("8390.c: header struct mispacked\n"); + /* Follow National Semi's recommendations for initing the DP83902. */ + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); /* 0x21 */ + ei_outb_p(endcfg, e8390_base + EN0_DCFG); /* 0x48 or 0x49 */ + /* Clear the remote byte count registers. */ + ei_outb_p(0x00, e8390_base + EN0_RCNTLO); + ei_outb_p(0x00, e8390_base + EN0_RCNTHI); + /* Set to monitor and loopback mode -- this is vital!. */ + ei_outb_p(E8390_RXOFF, e8390_base + EN0_RXCR); /* 0x20 */ + ei_outb_p(E8390_TXOFF, e8390_base + EN0_TXCR); /* 0x02 */ + /* Set the transmit page and receive ring. */ + ei_outb_p(ei_local->tx_start_page, e8390_base + EN0_TPSR); + ei_local->tx1 = ei_local->tx2 = 0; + ei_outb_p(ei_local->rx_start_page, e8390_base + EN0_STARTPG); + ei_outb_p(ei_local->stop_page-1, e8390_base + EN0_BOUNDARY); /* 3c503 says 0x3f,NS0x26*/ + ei_local->current_page = ei_local->rx_start_page; /* assert boundary+1 */ + ei_outb_p(ei_local->stop_page, e8390_base + EN0_STOPPG); + /* Clear the pending interrupts and mask. */ + ei_outb_p(0xFF, e8390_base + EN0_ISR); + ei_outb_p(0x00, e8390_base + EN0_IMR); + + /* Copy the station address into the DS8390 registers. */ + + ei_outb_p(E8390_NODMA + E8390_PAGE1 + E8390_STOP, e8390_base+E8390_CMD); /* 0x61 */ + for(i = 0; i < 6; i++) + { + ei_outb_p(dev->dev_addr[i], e8390_base + EN1_PHYS_SHIFT(i)); + if (ei_debug > 1 && ei_inb_p(e8390_base + EN1_PHYS_SHIFT(i))!=dev->dev_addr[i]) + printk(KERN_ERR "Hw. address read/write mismap %d\n",i); + } + + ei_outb_p(ei_local->rx_start_page, e8390_base + EN1_CURPAG); + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, e8390_base+E8390_CMD); + + netif_start_queue(dev); + ei_local->tx1 = ei_local->tx2 = 0; + ei_local->txing = 0; + + if (startp) + { + ei_outb_p(0xff, e8390_base + EN0_ISR); + ei_outb_p(ENISR_ALL, e8390_base + EN0_IMR); + ei_outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, e8390_base+E8390_CMD); + ei_outb_p(E8390_TXCONFIG, e8390_base + EN0_TXCR); /* xmit on. */ + /* 3c503 TechMan says rxconfig only after the NIC is started. */ + ei_outb_p(E8390_RXCONFIG, e8390_base + EN0_RXCR); /* rx on, */ + do_set_multicast_list(dev); /* (re)load the mcast table */ + } +} + +/* Trigger a transmit start, assuming the length is valid. + Always called with the page lock held */ + +static void NS8390_trigger_send(struct net_device *dev, unsigned int length, + int start_page) +{ + unsigned long e8390_base = dev->base_addr; + struct ei_device *ei_local __attribute((unused)) = (struct ei_device *) netdev_priv(dev); + + ei_outb_p(E8390_NODMA+E8390_PAGE0, e8390_base+E8390_CMD); + + if (ei_inb_p(e8390_base + E8390_CMD) & E8390_TRANS) + { + printk(KERN_WARNING "%s: trigger_send() called with the transmitter busy.\n", + dev->name); + return; + } + ei_outb_p(length & 0xff, e8390_base + EN0_TCNTLO); + ei_outb_p(length >> 8, e8390_base + EN0_TCNTHI); + ei_outb_p(start_page, e8390_base + EN0_TPSR); + ei_outb_p(E8390_NODMA+E8390_TRANS+E8390_START, e8390_base+E8390_CMD); +} -- cgit v1.2.3 From 8c6270f957f0eaa343e4a609159c4b85038468d6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 10 Oct 2006 00:19:36 +0100 Subject: [PATCH] 8390 fixes - m68k oddballs more 8390 conversions - mac8390, zorro8390 and hydra got the same treatment as arm etherh; one more case in 8390.h ifdef cascade is gone. Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- drivers/net/8390.h | 16 +--------------- drivers/net/Makefile | 6 +++--- drivers/net/hydra.c | 23 ++++++++++++++++------- drivers/net/mac8390.c | 26 ++++++++++++++++---------- drivers/net/zorro8390.c | 24 ++++++++++++++++-------- 5 files changed, 52 insertions(+), 43 deletions(-) (limited to 'drivers') diff --git a/drivers/net/8390.h b/drivers/net/8390.h index fae4aa92c4b..b8991fc7923 100644 --- a/drivers/net/8390.h +++ b/drivers/net/8390.h @@ -107,21 +107,7 @@ struct ei_device { * - removed AMIGA_PCMCIA from this list, handled as ISA io now */ -#if defined(CONFIG_MAC) || \ - defined(CONFIG_ZORRO8390) || defined(CONFIG_ZORRO8390_MODULE) || \ - defined(CONFIG_HYDRA) || defined(CONFIG_HYDRA_MODULE) -#define EI_SHIFT(x) (ei_local->reg_offset[x]) -#undef inb -#undef inb_p -#undef outb -#undef outb_p - -#define ei_inb(port) in_8(port) -#define ei_outb(val,port) out_8(port,val) -#define ei_inb_p(port) in_8(port) -#define ei_outb_p(val,port) out_8(port,val) - -#elif defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) +#if defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) #define EI_SHIFT(x) (ei_local->reg_offset[x]) #endif diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 53ccc337099..42bf31ea80c 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -82,7 +82,7 @@ obj-$(CONFIG_HAMACHI) += hamachi.o obj-$(CONFIG_NET) += Space.o loopback.o obj-$(CONFIG_SEEQ8005) += seeq8005.o obj-$(CONFIG_NET_SB1000) += sb1000.o -obj-$(CONFIG_MAC8390) += mac8390.o 8390.o +obj-$(CONFIG_MAC8390) += mac8390.o obj-$(CONFIG_APNE) += apne.o 8390.o obj-$(CONFIG_PCMCIA_PCNET) += 8390.o obj-$(CONFIG_SHAPER) += shaper.o @@ -164,7 +164,7 @@ obj-$(CONFIG_BVME6000_NET) += 82596.o obj-$(CONFIG_LP486E) += lp486e.o obj-$(CONFIG_ETH16I) += eth16i.o -obj-$(CONFIG_ZORRO8390) += zorro8390.o 8390.o +obj-$(CONFIG_ZORRO8390) += zorro8390.o obj-$(CONFIG_HPLANCE) += hplance.o 7990.o obj-$(CONFIG_MVME147_NET) += mvme147.o 7990.o obj-$(CONFIG_EQUALIZER) += eql.o @@ -177,7 +177,7 @@ obj-$(CONFIG_ATARILANCE) += atarilance.o obj-$(CONFIG_ATARI_BIONET) += atari_bionet.o obj-$(CONFIG_ATARI_PAMSNET) += atari_pamsnet.o obj-$(CONFIG_A2065) += a2065.o -obj-$(CONFIG_HYDRA) += hydra.o 8390.o +obj-$(CONFIG_HYDRA) += hydra.o obj-$(CONFIG_ARIADNE) += ariadne.o obj-$(CONFIG_CS89x0) += cs89x0.o obj-$(CONFIG_MACSONIC) += macsonic.o diff --git a/drivers/net/hydra.c b/drivers/net/hydra.c index 91326ea3e12..f970bfbb9db 100644 --- a/drivers/net/hydra.c +++ b/drivers/net/hydra.c @@ -31,7 +31,16 @@ #include #include -#include "8390.h" +#define EI_SHIFT(x) (ei_local->reg_offset[x]) +#define ei_inb(port) in_8(port) +#define ei_outb(val,port) out_8(port,val) +#define ei_inb_p(port) in_8(port) +#define ei_outb_p(val,port) out_8(port,val) + +static const char version[] = + "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; + +#include "lib8390.c" #define NE_EN0_DCFG (0x0e*2) @@ -100,7 +109,7 @@ static int __devinit hydra_init(struct zorro_dev *z) 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, }; - dev = alloc_ei_netdev(); + dev = ____alloc_ei_netdev(0); if (!dev) return -ENOMEM; SET_MODULE_OWNER(dev); @@ -117,7 +126,7 @@ static int __devinit hydra_init(struct zorro_dev *z) dev->irq = IRQ_AMIGA_PORTS; /* Install the Interrupt handler */ - if (request_irq(IRQ_AMIGA_PORTS, ei_interrupt, IRQF_SHARED, "Hydra Ethernet", + if (request_irq(IRQ_AMIGA_PORTS, __ei_interrupt, IRQF_SHARED, "Hydra Ethernet", dev)) { free_netdev(dev); return -EAGAIN; @@ -139,10 +148,10 @@ static int __devinit hydra_init(struct zorro_dev *z) dev->open = &hydra_open; dev->stop = &hydra_close; #ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; + dev->poll_controller = __ei_poll; #endif - NS8390_init(dev, 0); + __NS8390_init(dev, 0); err = register_netdev(dev); if (err) { @@ -164,7 +173,7 @@ static int __devinit hydra_init(struct zorro_dev *z) static int hydra_open(struct net_device *dev) { - ei_open(dev); + __ei_open(dev); return 0; } @@ -172,7 +181,7 @@ static int hydra_close(struct net_device *dev) { if (ei_debug > 1) printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name); - ei_close(dev); + __ei_close(dev); return 0; } diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index ade6ff852e1..a12bb64e369 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -39,7 +39,16 @@ #include #include -#include "8390.h" +static char version[] = + "mac8390.c: v0.4 2001-05-15 David Huggins-Daines and others\n"; + +#define EI_SHIFT(x) (ei_local->reg_offset[x]) +#define ei_inb(port) in_8(port) +#define ei_outb(val,port) out_8(port,val) +#define ei_inb_p(port) in_8(port) +#define ei_outb_p(val,port) out_8(port,val) + +#include "lib8390.c" #define WD_START_PG 0x00 /* First page of TX buffer */ #define CABLETRON_RX_START_PG 0x00 /* First page of RX buffer */ @@ -116,9 +125,6 @@ static int useresources[] = { 1, /* dayna-lc */ }; -static char version[] __initdata = - "mac8390.c: v0.4 2001-05-15 David Huggins-Daines and others\n"; - extern enum mac8390_type mac8390_ident(struct nubus_dev * dev); extern int mac8390_memsize(unsigned long membase); extern int mac8390_memtest(struct net_device * dev); @@ -237,7 +243,7 @@ struct net_device * __init mac8390_probe(int unit) if (!MACH_IS_MAC) return ERR_PTR(-ENODEV); - dev = alloc_ei_netdev(); + dev = ____alloc_ei_netdev(0); if (!dev) return ERR_PTR(-ENOMEM); @@ -438,7 +444,7 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd dev->open = &mac8390_open; dev->stop = &mac8390_close; #ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; + dev->poll_controller = __ei_poll; #endif /* GAR, ei_status is actually a macro even though it looks global */ @@ -510,7 +516,7 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd return -ENODEV; } - NS8390_init(dev, 0); + __NS8390_init(dev, 0); /* Good, done, now spit out some messages */ printk(KERN_INFO "%s: %s in slot %X (type %s)\n", @@ -532,8 +538,8 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd static int mac8390_open(struct net_device *dev) { - ei_open(dev); - if (request_irq(dev->irq, ei_interrupt, 0, "8390 Ethernet", dev)) { + __ei_open(dev); + if (request_irq(dev->irq, __ei_interrupt, 0, "8390 Ethernet", dev)) { printk ("%s: unable to get IRQ %d.\n", dev->name, dev->irq); return -EAGAIN; } @@ -543,7 +549,7 @@ static int mac8390_open(struct net_device *dev) static int mac8390_close(struct net_device *dev) { free_irq(dev->irq, dev); - ei_close(dev); + __ei_close(dev); return 0; } diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c index df04e050c64..d85e2ea0b6a 100644 --- a/drivers/net/zorro8390.c +++ b/drivers/net/zorro8390.c @@ -34,8 +34,16 @@ #include #include -#include "8390.h" +#define EI_SHIFT(x) (ei_local->reg_offset[x]) +#define ei_inb(port) in_8(port) +#define ei_outb(val,port) out_8(port,val) +#define ei_inb_p(port) in_8(port) +#define ei_outb_p(val,port) out_8(port,val) +static const char version[] = + "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; + +#include "lib8390.c" #define DRV_NAME "zorro8390" @@ -114,7 +122,7 @@ static int __devinit zorro8390_init_one(struct zorro_dev *z, break; board = z->resource.start; ioaddr = board+cards[i].offset; - dev = alloc_ei_netdev(); + dev = ____alloc_ei_netdev(0); if (!dev) return -ENOMEM; SET_MODULE_OWNER(dev); @@ -201,7 +209,7 @@ static int __devinit zorro8390_init(struct net_device *dev, dev->irq = IRQ_AMIGA_PORTS; /* Install the Interrupt handler */ - i = request_irq(IRQ_AMIGA_PORTS, ei_interrupt, IRQF_SHARED, DRV_NAME, dev); + i = request_irq(IRQ_AMIGA_PORTS, __ei_interrupt, IRQF_SHARED, DRV_NAME, dev); if (i) return i; for(i = 0; i < ETHER_ADDR_LEN; i++) { @@ -226,10 +234,10 @@ static int __devinit zorro8390_init(struct net_device *dev, dev->open = &zorro8390_open; dev->stop = &zorro8390_close; #ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; + dev->poll_controller = __ei_poll; #endif - NS8390_init(dev, 0); + __NS8390_init(dev, 0); err = register_netdev(dev); if (err) { free_irq(IRQ_AMIGA_PORTS, dev); @@ -246,7 +254,7 @@ static int __devinit zorro8390_init(struct net_device *dev, static int zorro8390_open(struct net_device *dev) { - ei_open(dev); + __ei_open(dev); return 0; } @@ -254,7 +262,7 @@ static int zorro8390_close(struct net_device *dev) { if (ei_debug > 1) printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name); - ei_close(dev); + __ei_close(dev); return 0; } @@ -405,7 +413,7 @@ static void zorro8390_block_output(struct net_device *dev, int count, printk(KERN_ERR "%s: timeout waiting for Tx RDC.\n", dev->name); zorro8390_reset_8390(dev); - NS8390_init(dev,1); + __NS8390_init(dev,1); break; } -- cgit v1.2.3 From b936889c8f95b601d3ef6caac6ac653a8adb4fec Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 10 Oct 2006 00:19:36 +0100 Subject: [PATCH] 8390 cleanup - etherh iomem annotations Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- drivers/net/arm/etherh.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 747a71f5dd0..f3faa4fe58e 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -54,10 +54,10 @@ #define EI_SHIFT(x) (ei_local->reg_offset[x]) -#define ei_inb(_p) readb(_p) -#define ei_outb(_v,_p) writeb(_v,_p) -#define ei_inb_p(_p) readb(_p) -#define ei_outb_p(_v,_p) writeb(_v,_p) +#define ei_inb(_p) readb((void __iomem *)_p) +#define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p) +#define ei_inb_p(_p) readb((void __iomem *)_p) +#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p) #define NET_DEBUG 0 #define DEBUG_INIT 2 @@ -184,7 +184,7 @@ etherh_setif(struct net_device *dev) switch (etherh_priv(dev)->id) { case PROD_I3_ETHERLAN600: case PROD_I3_ETHERLAN600A: - addr = (void *)dev->base_addr + EN0_RCNTHI; + addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; switch (dev->if_port) { case IF_PORT_10BASE2: @@ -225,7 +225,7 @@ etherh_getifstat(struct net_device *dev) switch (etherh_priv(dev)->id) { case PROD_I3_ETHERLAN600: case PROD_I3_ETHERLAN600A: - addr = (void *)dev->base_addr + EN0_RCNTHI; + addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; switch (dev->if_port) { case IF_PORT_10BASE2: stat = 1; @@ -288,7 +288,7 @@ static void etherh_reset(struct net_device *dev) { struct ei_device *ei_local = netdev_priv(dev); - void __iomem *addr = (void *)dev->base_addr; + void __iomem *addr = (void __iomem *)dev->base_addr; writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); @@ -334,7 +334,7 @@ etherh_block_output (struct net_device *dev, int count, const unsigned char *buf ei_local->dmaing = 1; - addr = (void *)dev->base_addr; + addr = (void __iomem *)dev->base_addr; dma_base = etherh_priv(dev)->dma_base; count = (count + 1) & ~1; @@ -394,7 +394,7 @@ etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ei_local->dmaing = 1; - addr = (void *)dev->base_addr; + addr = (void __iomem *)dev->base_addr; dma_base = etherh_priv(dev)->dma_base; buf = skb->data; @@ -434,7 +434,7 @@ etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_p ei_local->dmaing = 1; - addr = (void *)dev->base_addr; + addr = (void __iomem *)dev->base_addr; dma_base = etherh_priv(dev)->dma_base; writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); -- cgit v1.2.3 From 3470cb1d4fb27572273079e7095734ac4f9caa43 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 10 Oct 2006 00:19:36 +0100 Subject: [PATCH] 8390 fixes - the final chunk (h8300) The rest of 8390 conversions; ifdef cascade in 8390.h is gone now. Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- drivers/net/8390.h | 4 ---- drivers/net/Makefile | 2 +- drivers/net/ne-h8300.c | 23 +++++++++++++++-------- 3 files changed, 16 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/8390.h b/drivers/net/8390.h index b8991fc7923..414de5bd228 100644 --- a/drivers/net/8390.h +++ b/drivers/net/8390.h @@ -107,10 +107,6 @@ struct ei_device { * - removed AMIGA_PCMCIA from this list, handled as ISA io now */ -#if defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) -#define EI_SHIFT(x) (ei_local->reg_offset[x]) -#endif - #ifndef ei_inb #define ei_inb(_p) inb(_p) #define ei_outb(_v,_p) outb(_v,_p) diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 42bf31ea80c..7d361842428 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -106,7 +106,7 @@ obj-$(CONFIG_NE3210) += ne3210.o 8390.o obj-$(CONFIG_NET_SB1250_MAC) += sb1250-mac.o obj-$(CONFIG_B44) += b44.o obj-$(CONFIG_FORCEDETH) += forcedeth.o -obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o +obj-$(CONFIG_NE_H8300) += ne-h8300.o obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o obj-$(CONFIG_QLA3XXX) += qla3xxx.o diff --git a/drivers/net/ne-h8300.c b/drivers/net/ne-h8300.c index eb893d7e883..38fd525f0f1 100644 --- a/drivers/net/ne-h8300.c +++ b/drivers/net/ne-h8300.c @@ -33,6 +33,8 @@ static const char version1[] = #include #include +#define EI_SHIFT(x) (ei_local->reg_offset[x]) + #include "8390.h" #define DRV_NAME "ne-h8300" @@ -52,6 +54,11 @@ static const char version1[] = /* ---- No user-serviceable parts below ---- */ +static const char version[] = + "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; + +#include "lib8390.c" + #define NE_BASE (dev->base_addr) #define NE_CMD 0x00 #define NE_DATAPORT (ei_status.word16?0x20:0x10) /* NatSemi-defined port window offset. */ @@ -162,7 +169,7 @@ static void cleanup_card(struct net_device *dev) #ifndef MODULE struct net_device * __init ne_probe(int unit) { - struct net_device *dev = alloc_ei_netdev(); + struct net_device *dev = ____alloc_ei_netdev(0); int err; if (!dev) @@ -283,7 +290,7 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) /* Snarf the interrupt now. There's no point in waiting since we cannot share and the board will usually be enabled. */ - ret = request_irq(dev->irq, ei_interrupt, 0, name, dev); + ret = request_irq(dev->irq, __ei_interrupt, 0, name, dev); if (ret) { printk (" unable to get IRQ %d (errno=%d).\n", dev->irq, ret); goto err_out; @@ -318,9 +325,9 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) dev->open = &ne_open; dev->stop = &ne_close; #ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = ei_poll; + dev->poll_controller = __ei_poll; #endif - NS8390_init(dev, 0); + __NS8390_init(dev, 0); ret = register_netdev(dev); if (ret) @@ -335,7 +342,7 @@ err_out: static int ne_open(struct net_device *dev) { - ei_open(dev); + __ei_open(dev); return 0; } @@ -343,7 +350,7 @@ static int ne_close(struct net_device *dev) { if (ei_debug > 1) printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name); - ei_close(dev); + __ei_close(dev); return 0; } @@ -584,7 +591,7 @@ retry: if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name); ne_reset_8390(dev); - NS8390_init(dev,1); + __NS8390_init(dev,1); break; } @@ -620,7 +627,7 @@ int init_module(void) int err; for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) { - struct net_device *dev = alloc_ei_netdev(); + struct net_device *dev = ____alloc_ei_netdev(0); if (!dev) break; if (io[this_dev]) { -- cgit v1.2.3 From f04e2be7d9b73a1da7be99a08b3695074e14970c Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Mon, 25 Sep 2006 15:33:20 -0500 Subject: [PATCH] bcm43xx: output proper link quality with scans The bcm43xx-softmac driver fails to set two quantities needed for iwlist to compute wireless quality when scanning. As a result, userland programs using the quality to determine the best connection fail. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx.h | 3 +++ drivers/net/wireless/bcm43xx/bcm43xx_main.c | 2 ++ drivers/net/wireless/bcm43xx/bcm43xx_wx.c | 3 --- 3 files changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index d6a8bf09878..5f43d7f42af 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -365,6 +365,9 @@ #define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT 7 #define BCM43xx_DEFAULT_LONG_RETRY_LIMIT 4 +/* FIXME: the next line is a guess as to what the maximum RSSI value might be */ +#define RX_RSSI_MAX 60 + /* Max size of a security key */ #define BCM43xx_SEC_KEYSIZE 16 /* Security algorithms. */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index a1b783813d8..2ffc0d5b54e 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -3688,6 +3688,8 @@ static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) phy_type); return -ENODEV; }; + bcm->ieee->perfect_rssi = RX_RSSI_MAX; + bcm->ieee->worst_rssi = 0; if (!phy_rev_ok) { printk(KERN_WARNING PFX "Invalid PHY Revision %x\n", phy_rev); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c index d27016f8c73..12043f8be1b 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c @@ -47,9 +47,6 @@ #define BCM43xx_WX_VERSION 18 #define MAX_WX_STRING 80 -/* FIXME: the next line is a guess as to what the maximum RSSI value might be */ -#define RX_RSSI_MAX 60 - static int bcm43xx_wx_get_name(struct net_device *net_dev, struct iw_request_info *info, -- cgit v1.2.3 From f2423723d70298e04179f934ff17346c3e06f408 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Tue, 26 Sep 2006 04:04:38 +0100 Subject: [PATCH] zd1211rw: Add 3 more device IDs iNexQ UR055g: Tested by Todor T Zviskov zd1211 chip 1435:0711 v4330 high 00-10-a7 AL2230_RF pa0 g-- ZyXEL AG-225, FCC ID SI5WUB410: Tested by Nathan zd1211 chip 0586:3409 v4810 full 00-13-49 AL7230B_RF pa0 g--- Yakumo QuickWLAN USB: Tested by EdB zd1211 chip 0b3b:1630 v4330 high 00-01-36 RF2959_RF pa0 --- Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index a15b0954924..435e16e137b 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -47,6 +47,9 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x0586, 0x3402), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0b3b, 0x5630), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0b05, 0x170c), .driver_info = DEVICE_ZD1211 }, + { USB_DEVICE(0x1435, 0x0711), .driver_info = DEVICE_ZD1211 }, + { USB_DEVICE(0x0586, 0x3409), .driver_info = DEVICE_ZD1211 }, + { USB_DEVICE(0x0b3b, 0x1630), .driver_info = DEVICE_ZD1211 }, /* ZD1211B */ { USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B }, -- cgit v1.2.3 From c9308b06c049a107edfbd4e5271771564eb6024d Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 27 Sep 2006 03:50:31 +0100 Subject: [PATCH] ieee80211: Move IV/ICV stripping into ieee80211_rx This patch adds a host_strip_iv_icv flag to ieee80211 which indicates that ieee80211_rx should strip the IV/ICV/other security features from the payload. This saves on some memmove() calls in the driver and seems like something that belongs in the stack as it can be used by bcm43xx, ipw2200, and zd1211rw I will submit the ipw2200 patch separately as it needs testing. This patch also adds some sensible variable reuse (idx vs keyidx) in ieee80211_rx Signed-off-by: Daniel Drake Acked-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx_wx.c | 1 + drivers/net/wireless/bcm43xx/bcm43xx_xmit.c | 19 ------------------- 2 files changed, 1 insertion(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c index 12043f8be1b..a659442b9c1 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c @@ -690,6 +690,7 @@ static int bcm43xx_wx_set_swencryption(struct net_device *net_dev, bcm->ieee->host_encrypt = !!on; bcm->ieee->host_decrypt = !!on; bcm->ieee->host_build_iv = !on; + bcm->ieee->host_strip_iv_icv = !on; spin_unlock_irqrestore(&bcm->irq_lock, flags); mutex_unlock(&bcm->mutex); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c index 0159e4e9320..a957bc86138 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c @@ -543,25 +543,6 @@ int bcm43xx_rx(struct bcm43xx_private *bcm, break; } - frame_ctl = le16_to_cpu(wlhdr->frame_ctl); - if ((frame_ctl & IEEE80211_FCTL_PROTECTED) && !bcm->ieee->host_decrypt) { - frame_ctl &= ~IEEE80211_FCTL_PROTECTED; - wlhdr->frame_ctl = cpu_to_le16(frame_ctl); - /* trim IV and ICV */ - /* FIXME: this must be done only for WEP encrypted packets */ - if (skb->len < 32) { - dprintkl(KERN_ERR PFX "RX packet dropped (PROTECTED flag " - "set and length < 32)\n"); - return -EINVAL; - } else { - memmove(skb->data + 4, skb->data, 24); - skb_pull(skb, 4); - skb_trim(skb, skb->len - 4); - stats.len -= 8; - } - wlhdr = (struct ieee80211_hdr_4addr *)(skb->data); - } - switch (WLAN_FC_GET_TYPE(frame_ctl)) { case IEEE80211_FTYPE_MGMT: ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats); -- cgit v1.2.3 From 00a5ebf8621e8098305ca5e7b319937eed430184 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 8 Oct 2006 00:14:28 -0400 Subject: [PATCH] atmel: save on array initialization NET: atmel - do not initialize array over and over again Signed-off-by: Dmitry Torokhov Signed-off-by: John W. Linville --- drivers/net/wireless/atmel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 0c07b8b7250..3a6397ffda5 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -784,11 +784,11 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, static int start_tx(struct sk_buff *skb, struct net_device *dev) { + static const u8 SNAP_RFC1024[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; struct atmel_private *priv = netdev_priv(dev); struct ieee80211_hdr_4addr header; unsigned long flags; u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN; - u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; if (priv->card && priv->present_callback && !(*priv->present_callback)(priv->card)) { -- cgit v1.2.3 From b4341135794fdad85f995a378da424e4f4128e4d Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 8 Oct 2006 00:14:29 -0400 Subject: [PATCH] atmel: use ARRAY_SIZE() NET: atmel - switch to using ARRAY_SIZE() Signed-off-by: Dmitry Torokhov Signed-off-by: John W. Linville --- drivers/net/wireless/atmel.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 3a6397ffda5..c253e9aad10 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -1193,7 +1193,7 @@ static irqreturn_t service_interrupt(int irq, void *dev_id) atmel_set_gcr(dev, GCR_ACKINT); /* acknowledge interrupt */ - for (i = 0; i < sizeof(irq_order)/sizeof(u8); i++) + for (i = 0; i < ARRAY_SIZE(irq_order); i++) if (isr & irq_order[i]) break; @@ -1345,10 +1345,10 @@ int atmel_open(struct net_device *dev) atmel_set_mib8(priv, Phy_Mib_Type, PHY_MIB_REG_DOMAIN_POS, priv->reg_domain); } else { priv->reg_domain = atmel_get_mib8(priv, Phy_Mib_Type, PHY_MIB_REG_DOMAIN_POS); - for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++) + for (i = 0; i < ARRAY_SIZE(channel_table); i++) if (priv->reg_domain == channel_table[i].reg_domain) break; - if (i == sizeof(channel_table)/sizeof(channel_table[0])) { + if (i == ARRAY_SIZE(channel_table)) { priv->reg_domain = REG_DOMAIN_MKK1; printk(KERN_ALERT "%s: failed to get regulatory domain: assuming MKK1.\n", dev->name); } @@ -1393,7 +1393,7 @@ static int atmel_validate_channel(struct atmel_private *priv, int channel) else return suitable default channel */ int i; - for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++) + for (i = 0; i < ARRAY_SIZE(channel_table); i++) if (priv->reg_domain == channel_table[i].reg_domain) { if (channel >= channel_table[i].min && channel <= channel_table[i].max) @@ -1437,7 +1437,7 @@ static int atmel_proc_output (char *buf, struct atmel_private *priv) } r = ""; - for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++) + for (i = 0; i < ARRAY_SIZE(channel_table); i++) if (priv->reg_domain == channel_table[i].reg_domain) r = channel_table[i].name; @@ -2373,7 +2373,7 @@ static int atmel_get_range(struct net_device *dev, range->min_nwid = 0x0000; range->max_nwid = 0x0000; range->num_channels = 0; - for (j = 0; j < sizeof(channel_table)/sizeof(channel_table[0]); j++) + for (j = 0; j < ARRAY_SIZE(channel_table); j++) if (priv->reg_domain == channel_table[j].reg_domain) { range->num_channels = channel_table[j].max - channel_table[j].min + 1; break; @@ -2579,9 +2579,9 @@ static const struct iw_priv_args atmel_private_args[] = { static const struct iw_handler_def atmel_handler_def = { - .num_standard = sizeof(atmel_handler)/sizeof(iw_handler), - .num_private = sizeof(atmel_private_handler)/sizeof(iw_handler), - .num_private_args = sizeof(atmel_private_args)/sizeof(struct iw_priv_args), + .num_standard = ARRAY_SIZE(atmel_handler), + .num_private = ARRAY_SIZE(atmel_private_handler), + .num_private_args = ARRAY_SIZE(atmel_private_args), .standard = (iw_handler *) atmel_handler, .private = (iw_handler *) atmel_private_handler, .private_args = (struct iw_priv_args *) atmel_private_args, @@ -2645,7 +2645,7 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) domain[REGDOMAINSZ] = 0; rc = -EINVAL; - for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++) { + for (i = 0; i < ARRAY_SIZE(channel_table); i++) { /* strcasecmp doesn't exist in the library */ char *a = channel_table[i].name; char *b = domain; -- cgit v1.2.3 From 5c877fe58c5df19646204b144b978b99c2ef074f Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 8 Oct 2006 00:14:30 -0400 Subject: [PATCH] atmel: whitespace cleanup NET: atmel: whitespace cleanup Signed-off-by: Dmitry Torokhov Signed-off-by: John W. Linville --- drivers/net/wireless/atmel.c | 6 ++-- drivers/net/wireless/atmel_cs.c | 74 ++++++++++++++++++++-------------------- drivers/net/wireless/atmel_pci.c | 10 +++--- 3 files changed, 45 insertions(+), 45 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index c253e9aad10..74c800f6caf 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -595,7 +595,7 @@ static void atmel_join_bss(struct atmel_private *priv, int bss_index); static void atmel_smooth_qual(struct atmel_private *priv); static void atmel_writeAR(struct net_device *dev, u16 data); static int probe_atmel_card(struct net_device *dev); -static int reset_atmel_card(struct net_device *dev ); +static int reset_atmel_card(struct net_device *dev); static void atmel_enter_state(struct atmel_private *priv, int new_state); int atmel_open (struct net_device *dev); @@ -1736,7 +1736,7 @@ static int atmel_set_encode(struct net_device *dev, /* Disable the key */ priv->wep_key_len[index] = 0; /* Check if the key is not marked as invalid */ - if(!(dwrq->flags & IW_ENCODE_NOKEY)) { + if (!(dwrq->flags & IW_ENCODE_NOKEY)) { /* Cleanup */ memset(priv->wep_keys[index], 0, 13); /* Copy the key in the driver */ @@ -1907,7 +1907,7 @@ static int atmel_get_encodeext(struct net_device *dev, encoding->flags = idx + 1; memset(ext, 0, sizeof(*ext)); - + if (!priv->wep_is_on) { ext->alg = IW_ENCODE_ALG_NONE; ext->key_len = 0; diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index 785664090bb..5c410989c4d 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -5,12 +5,12 @@ Copyright 2000-2001 ATMEL Corporation. Copyright 2003 Simon Kelley. - This code was developed from version 2.1.1 of the Atmel drivers, - released by Atmel corp. under the GPL in December 2002. It also - includes code from the Linux aironet drivers (C) Benjamin Reed, - and the Linux PCMCIA package, (C) David Hinds. + This code was developed from version 2.1.1 of the Atmel drivers, + released by Atmel corp. under the GPL in December 2002. It also + includes code from the Linux aironet drivers (C) Benjamin Reed, + and the Linux PCMCIA package, (C) David Hinds. - For all queries about this code, please contact the current author, + For all queries about this code, please contact the current author, Simon Kelley and not Atmel Corporation. This program is free software; you can redistribute it and/or modify @@ -87,7 +87,7 @@ MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); event is received. The config() and release() entry points are used to configure or release a socket, in response to card insertion and ejection events. They are invoked from the atmel_cs - event handler. + event handler. */ static int atmel_config(struct pcmcia_device *link); @@ -133,22 +133,22 @@ static void atmel_detach(struct pcmcia_device *p_dev); device IO routines can use a flag like this to throttle IO to a card that is not ready to accept it. */ - + typedef struct local_info_t { dev_node_t node; struct net_device *eth_dev; } local_info_t; /*====================================================================== - + atmel_attach() creates an "instance" of the driver, allocating local data structures for one device. The device is registered with Card Services. - + The dev_link structure is initialized, but we don't actually configure the card at this point -- we wait until we receive a card insertion event. - + ======================================================================*/ static int atmel_probe(struct pcmcia_device *p_dev) @@ -184,12 +184,12 @@ static int atmel_probe(struct pcmcia_device *p_dev) } /* atmel_attach */ /*====================================================================== - + This deletes a driver "instance". The device is de-registered with Card Services. If it has been released, all local data structures are freed. Otherwise, the structures will be freed when the device is released. - + ======================================================================*/ static void atmel_detach(struct pcmcia_device *link) @@ -202,11 +202,11 @@ static void atmel_detach(struct pcmcia_device *link) } /*====================================================================== - + atmel_config() is scheduled to run after a CARD_INSERTION event is received, to configure the PCMCIA socket, and to make the device available to the system. - + ======================================================================*/ #define CS_CHECK(fn, ret) \ @@ -237,12 +237,12 @@ static int atmel_config(struct pcmcia_device *link) did = handle_to_dev(link).driver_data; DEBUG(0, "atmel_config(0x%p)\n", link); - + tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - + /* This reads the card's CONFIG tuple to find its configuration registers. @@ -258,7 +258,7 @@ static int atmel_config(struct pcmcia_device *link) In this loop, we scan the CIS for configuration table entries, each of which describes a valid card configuration, including voltage, IO window, memory window, and interrupt settings. - + We make no assumptions about the card to be configured: we use just the information available in the CIS. In an ideal world, this would work for any PCMCIA card, but it requires a complete @@ -274,17 +274,17 @@ static int atmel_config(struct pcmcia_device *link) if (pcmcia_get_tuple_data(link, &tuple) != 0 || pcmcia_parse_tuple(link, &tuple, &parse) != 0) goto next_entry; - + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) goto next_entry; link->conf.ConfigIndex = cfg->index; - + /* Does this card need audio output? */ if (cfg->flags & CISTPL_CFTABLE_AUDIO) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } - + /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ if (cfg->vpp1.present & (1<conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; - + /* Do we need to allocate an interrupt? */ if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) link->conf.Attributes |= CONF_ENABLE_IRQ; - + /* IO window settings */ link->io.NumPorts1 = link->io.NumPorts2 = 0; if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { @@ -315,18 +315,18 @@ static int atmel_config(struct pcmcia_device *link) link->io.NumPorts2 = io->win[1].len; } } - + /* This reserves IO space but doesn't actually enable it */ if (pcmcia_request_io(link, &link->io) != 0) goto next_entry; /* If we got this far, we're cool! */ break; - + next_entry: CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); } - + /* Allocate an interrupt line. Note that this does not assign a handler to the interrupt, unless the 'Handler' member of the @@ -334,31 +334,31 @@ static int atmel_config(struct pcmcia_device *link) */ if (link->conf.Attributes & CONF_ENABLE_IRQ) CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - + /* This actually configures the PCMCIA socket -- setting up the I/O windows and the interrupt mapping, and putting the card and host interface into "Memory and IO" mode. */ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); - + if (link->irq.AssignedIRQ == 0) { - printk(KERN_ALERT + printk(KERN_ALERT "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config."); goto cs_failed; } - - ((local_info_t*)link->priv)->eth_dev = + + ((local_info_t*)link->priv)->eth_dev = init_atmel_card(link->irq.AssignedIRQ, link->io.BasePort1, did ? did->driver_info : ATMEL_FW_TYPE_NONE, &handle_to_dev(link), - card_present, + card_present, link); - if (!((local_info_t*)link->priv)->eth_dev) + if (!((local_info_t*)link->priv)->eth_dev) goto cs_failed; - - + + /* At this point, the dev_node_t structure(s) need to be initialized and arranged in a linked list at link->dev_node. @@ -376,11 +376,11 @@ static int atmel_config(struct pcmcia_device *link) } /*====================================================================== - + After a card is removed, atmel_release() will unregister the device, and release the PCMCIA configuration. If the device is still open, this will be postponed until it is closed. - + ======================================================================*/ static void atmel_release(struct pcmcia_device *link) @@ -517,7 +517,7 @@ static void atmel_cs_cleanup(void) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. + POSSIBILITY OF SUCH DAMAGE. */ module_init(atmel_cs_init); diff --git a/drivers/net/wireless/atmel_pci.c b/drivers/net/wireless/atmel_pci.c index 3bfa791c323..92f87fbe750 100644 --- a/drivers/net/wireless/atmel_pci.c +++ b/drivers/net/wireless/atmel_pci.c @@ -53,18 +53,18 @@ static int __devinit atmel_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pent) { struct net_device *dev; - + if (pci_enable_device(pdev)) return -ENODEV; - + pci_set_master(pdev); - - dev = init_atmel_card(pdev->irq, pdev->resource[1].start, + + dev = init_atmel_card(pdev->irq, pdev->resource[1].start, ATMEL_FW_TYPE_506, &pdev->dev, NULL, NULL); if (!dev) return -ENODEV; - + pci_set_drvdata(pdev, dev); return 0; } -- cgit v1.2.3 From d18e0c4a5434f02586b5fdcbcc72f1fe61ab49e6 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 8 Oct 2006 00:38:14 -0400 Subject: [PATCH] prism54: fix potential race in reset scheduling NET: prism54 - fix potential race in reset scheduling There appears to be a race in reset scheduling logic - thread responsible for reseting the interface should clear "reset pending" flag before restarting the queue, otherwise timeout handler might not schedule another reset even if it is needed. This race is mostly theoretical as far as I can see but a race nonetheless. Signed-off-by: Dmitry Torokhov Signed-off-by: John W. Linville --- drivers/net/wireless/prism54/islpci_eth.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index a8261d8454d..bfbafe99b94 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -253,6 +253,7 @@ islpci_monitor_rx(islpci_private *priv, struct sk_buff **skb) * header and without the FCS. But there a is a bit that * indicates if the packet is corrupted :-) */ struct rfmon_header *hdr = (struct rfmon_header *) (*skb)->data; + if (hdr->flags & 0x01) /* This one is bad. Drop it ! */ return -1; @@ -464,10 +465,8 @@ islpci_eth_receive(islpci_private *priv) break; } /* update the fragment address */ - control_block->rx_data_low[index].address = cpu_to_le32((u32) - priv-> - pci_map_rx_address - [index]); + control_block->rx_data_low[index].address = + cpu_to_le32((u32)priv->pci_map_rx_address[index]); wmb(); /* increment the driver read pointer */ @@ -484,10 +483,12 @@ islpci_eth_receive(islpci_private *priv) void islpci_do_reset_and_wake(void *data) { - islpci_private *priv = (islpci_private *) data; + islpci_private *priv = data; + islpci_reset(priv, 1); - netif_wake_queue(priv->ndev); priv->reset_task_pending = 0; + smp_wmb(); + netif_wake_queue(priv->ndev); } void @@ -499,12 +500,14 @@ islpci_eth_tx_timeout(struct net_device *ndev) /* increment the transmit error counter */ statistics->tx_errors++; - printk(KERN_WARNING "%s: tx_timeout", ndev->name); if (!priv->reset_task_pending) { - priv->reset_task_pending = 1; - printk(", scheduling a reset"); + printk(KERN_WARNING + "%s: tx_timeout, scheduling reset", ndev->name); netif_stop_queue(ndev); + priv->reset_task_pending = 1; schedule_work(&priv->reset_task); + } else { + printk(KERN_WARNING + "%s: tx_timeout, waiting for reset", ndev->name); } - printk("\n"); } -- cgit v1.2.3 From 93b2dd12049d1adb0d76fb918fcd4c1030445433 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 8 Oct 2006 00:38:15 -0400 Subject: [PATCH] prism54: whitespace cleanup NET: prism54 - whitespace cleanup Signed-off-by: Dmitry Torokhov Signed-off-by: John W. Linville --- drivers/net/wireless/prism54/isl_38xx.c | 17 ++++---- drivers/net/wireless/prism54/isl_38xx.h | 7 ++- drivers/net/wireless/prism54/isl_ioctl.c | 61 +++++++++++++-------------- drivers/net/wireless/prism54/isl_ioctl.h | 1 - drivers/net/wireless/prism54/isl_oid.h | 32 +++++++------- drivers/net/wireless/prism54/islpci_dev.c | 13 +++--- drivers/net/wireless/prism54/islpci_dev.h | 11 +++-- drivers/net/wireless/prism54/islpci_eth.c | 7 ++- drivers/net/wireless/prism54/islpci_eth.h | 1 - drivers/net/wireless/prism54/islpci_hotplug.c | 23 +++++----- drivers/net/wireless/prism54/islpci_mgt.c | 3 +- drivers/net/wireless/prism54/islpci_mgt.h | 5 +-- drivers/net/wireless/prism54/oid_mgt.c | 6 +-- drivers/net/wireless/prism54/prismcompat.h | 4 +- 14 files changed, 89 insertions(+), 102 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/prism54/isl_38xx.c b/drivers/net/wireless/prism54/isl_38xx.c index 23deee69974..02fc67bccbd 100644 --- a/drivers/net/wireless/prism54/isl_38xx.c +++ b/drivers/net/wireless/prism54/isl_38xx.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003-2004 Luis R. Rodriguez _ * @@ -38,7 +37,7 @@ * isl38xx_disable_interrupts - disable all interrupts * @device: pci memory base address * - * Instructs the device to disable all interrupt reporting by asserting + * Instructs the device to disable all interrupt reporting by asserting * the IRQ line. New events may still show up in the interrupt identification * register located at offset %ISL38XX_INT_IDENT_REG. */ @@ -204,17 +203,19 @@ isl38xx_interface_reset(void __iomem *device_base, dma_addr_t host_address) /* enable the interrupt for detecting initialization */ /* Note: Do not enable other interrupts here. We want the - * device to have come up first 100% before allowing any other + * device to have come up first 100% before allowing any other * interrupts. */ isl38xx_w32_flush(device_base, ISL38XX_INT_IDENT_INIT, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); /* allow complete full reset */ } void -isl38xx_enable_common_interrupts(void __iomem *device_base) { +isl38xx_enable_common_interrupts(void __iomem *device_base) +{ u32 reg; - reg = ( ISL38XX_INT_IDENT_UPDATE | - ISL38XX_INT_IDENT_SLEEP | ISL38XX_INT_IDENT_WAKEUP); + + reg = ISL38XX_INT_IDENT_UPDATE | ISL38XX_INT_IDENT_SLEEP | + ISL38XX_INT_IDENT_WAKEUP; isl38xx_w32_flush(device_base, reg, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); } @@ -234,23 +235,21 @@ isl38xx_in_queue(isl38xx_control_block *cb, int queue) /* send queues */ case ISL38XX_CB_TX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); + case ISL38XX_CB_TX_DATA_LQ: case ISL38XX_CB_TX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_TX_QSIZE); return delta; - break; /* receive queues */ case ISL38XX_CB_RX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); return ISL38XX_CB_MGMT_QSIZE - delta; - break; case ISL38XX_CB_RX_DATA_LQ: case ISL38XX_CB_RX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_RX_QSIZE); return ISL38XX_CB_RX_QSIZE - delta; - break; } BUG(); return 0; diff --git a/drivers/net/wireless/prism54/isl_38xx.h b/drivers/net/wireless/prism54/isl_38xx.h index 8af20980af8..3fadcb6f529 100644 --- a/drivers/net/wireless/prism54/isl_38xx.h +++ b/drivers/net/wireless/prism54/isl_38xx.h @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * * This program is free software; you can redistribute it and/or modify @@ -67,10 +66,10 @@ * @base: (host) memory base address of the device * @val: 32bit value (host order) to write * @offset: byte offset into @base to write value to - * + * * This helper takes care of writing a 32bit datum to the - * specified offset into the device's pci memory space, and making sure - * the pci memory buffers get flushed by performing one harmless read + * specified offset into the device's pci memory space, and making sure + * the pci memory buffers get flushed by performing one harmless read * from the %ISL38XX_PCI_POSTING_FLUSH offset. */ static inline void diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 286325ca329..4a20e45de3c 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * (C) 2003,2004 Aurelien Alleaume * (C) 2003 Herbert Valerio Riedel @@ -55,12 +54,12 @@ static const unsigned char scan_rate_list[] = { 2, 4, 11, 22, * prism54_mib_mode_helper - MIB change mode helper function * @mib: the &struct islpci_mib object to modify * @iw_mode: new mode (%IW_MODE_*) - * + * * This is a helper function, hence it does not lock. Make sure - * caller deals with locking *if* necessary. This function sets the - * mode-dependent mib values and does the mapping of the Linux - * Wireless API modes to Device firmware modes. It also checks for - * correct valid Linux wireless modes. + * caller deals with locking *if* necessary. This function sets the + * mode-dependent mib values and does the mapping of the Linux + * Wireless API modes to Device firmware modes. It also checks for + * correct valid Linux wireless modes. */ static int prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode) @@ -118,7 +117,7 @@ prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode) * * this function initializes the struct given as @mib with defaults, * of which many are retrieved from the global module parameter - * variables. + * variables. */ void @@ -134,7 +133,7 @@ prism54_mib_init(islpci_private *priv) authen = CARD_DEFAULT_AUTHEN; wep = CARD_DEFAULT_WEP; filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */ - dot1x = CARD_DEFAULT_DOT1X; + dot1x = CARD_DEFAULT_DOT1X; mlme = CARD_DEFAULT_MLME_MODE; conformance = CARD_DEFAULT_CONFORMANCE; power = 127; @@ -228,7 +227,7 @@ prism54_get_wireless_stats(struct net_device *ndev) } else priv->iwstatistics.qual.updated = 0; - /* Update our wireless stats, but do not schedule to often + /* Update our wireless stats, but do not schedule to often * (max 1 HZ) */ if ((priv->stats_timestamp == 0) || time_after(jiffies, priv->stats_timestamp + 1 * HZ)) { @@ -705,7 +704,7 @@ prism54_get_scan(struct net_device *ndev, struct iw_request_info *info, * Starting with WE-17, the buffer can be as big as needed. * But the device won't repport anything if you change the value * of IWMAX_BSS=24. */ - + rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r); bsslist = r.ptr; @@ -785,7 +784,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info, return rvalue; } -/* Provides no functionality, just completes the ioctl. In essence this is a +/* Provides no functionality, just completes the ioctl. In essence this is a * just a cosmetic ioctl. */ static int @@ -1104,7 +1103,7 @@ prism54_set_encode(struct net_device *ndev, struct iw_request_info *info, &key); } /* - * If a valid key is set, encryption should be enabled + * If a valid key is set, encryption should be enabled * (user may turn it off later). * This is also how "iwconfig ethX key on" works */ @@ -1126,7 +1125,7 @@ prism54_set_encode(struct net_device *ndev, struct iw_request_info *info, } /* now read the flags */ if (dwrq->flags & IW_ENCODE_DISABLED) { - /* Encoding disabled, + /* Encoding disabled, * authen = DOT11_AUTH_OS; * invoke = 0; * exunencrypt = 0; */ @@ -1214,7 +1213,7 @@ prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info, vwrq->value = (s32) r.u / 4; vwrq->fixed = 1; /* radio is not turned of - * btw: how is possible to turn off only the radio + * btw: how is possible to turn off only the radio */ vwrq->disabled = 0; @@ -2354,17 +2353,17 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, handle_request(priv, mlme, oid); send_formatted_event(priv, "Authenticate request (ex)", mlme, 1); - if (priv->iw_mode != IW_MODE_MASTER + if (priv->iw_mode != IW_MODE_MASTER && mlmeex->state != DOT11_STATE_AUTHING) break; confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC); - if (!confirm) + if (!confirm) break; memcpy(&confirm->address, mlmeex->address, ETH_ALEN); - printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", + printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", mlmeex->address[0], mlmeex->address[1], mlmeex->address[2], @@ -2398,10 +2397,10 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, handle_request(priv, mlme, oid); send_formatted_event(priv, "Associate request (ex)", mlme, 1); - if (priv->iw_mode != IW_MODE_MASTER + if (priv->iw_mode != IW_MODE_MASTER && mlmeex->state != DOT11_STATE_ASSOCING) break; - + confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC); if (!confirm) @@ -2417,7 +2416,7 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, if (!wpa_ie_len) { printk(KERN_DEBUG "No WPA IE found from " - "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", + "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", mlmeex->address[0], mlmeex->address[1], mlmeex->address[2], @@ -2435,14 +2434,14 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, mgt_set_varlen(priv, oid, confirm, wpa_ie_len); kfree(confirm); - + break; case DOT11_OID_REASSOCIATEEX: handle_request(priv, mlme, oid); send_formatted_event(priv, "Reassociate request (ex)", mlme, 1); - if (priv->iw_mode != IW_MODE_MASTER + if (priv->iw_mode != IW_MODE_MASTER && mlmeex->state != DOT11_STATE_ASSOCING) break; @@ -2461,7 +2460,7 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, if (!wpa_ie_len) { printk(KERN_DEBUG "No WPA IE found from " - "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", + "address:\t%02x:%02x:%02x:%02x:%02x:%02x\n", mlmeex->address[0], mlmeex->address[1], mlmeex->address[2], @@ -2473,13 +2472,13 @@ prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, break; } - confirm->size = wpa_ie_len; + confirm->size = wpa_ie_len; memcpy(&confirm->data, wpa_ie, wpa_ie_len); mgt_set_varlen(priv, oid, confirm, wpa_ie_len); kfree(confirm); - + break; default: @@ -2545,10 +2544,10 @@ enum { #define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \ ((int) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data)) -/* Maximum length for algorithm names (-1 for nul termination) +/* Maximum length for algorithm names (-1 for nul termination) * used in ioctl() */ #define HOSTAP_CRYPT_ALG_NAME_LEN 16 - + struct prism2_hostapd_param { u32 cmd; u8 sta_addr[ETH_ALEN]; @@ -2621,7 +2620,7 @@ prism2_ioctl_set_encryption(struct net_device *dev, &key); } /* - * If a valid key is set, encryption should be enabled + * If a valid key is set, encryption should be enabled * (user may turn it off later). * This is also how "iwconfig ethX key on" works */ @@ -2643,7 +2642,7 @@ prism2_ioctl_set_encryption(struct net_device *dev, } /* now read the flags */ if (param->u.crypt.flags & IW_ENCODE_DISABLED) { - /* Encoding disabled, + /* Encoding disabled, * authen = DOT11_AUTH_OS; * invoke = 0; * exunencrypt = 0; */ @@ -2710,7 +2709,7 @@ prism2_ioctl_set_generic_element(struct net_device *ndev, ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, len); - if (ret == 0) + if (ret == 0) printk(KERN_DEBUG "%s: WPA IE Attachment was set\n", ndev->name); } @@ -2870,7 +2869,7 @@ prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info, mlme = DOT11_MLME_AUTO; printk("%s: Disabling WPA\n", ndev->name); break; - case 2: + case 2: case 1: /* WPA */ printk("%s: Enabling WPA\n", ndev->name); break; diff --git a/drivers/net/wireless/prism54/isl_ioctl.h b/drivers/net/wireless/prism54/isl_ioctl.h index 65f33acd0a4..e8183d30c52 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.h +++ b/drivers/net/wireless/prism54/isl_ioctl.h @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * (C) 2003 Aurelien Alleaume * (C) 2003 Luis R. Rodriguez diff --git a/drivers/net/wireless/prism54/isl_oid.h b/drivers/net/wireless/prism54/isl_oid.h index 419edf7ccf1..ab5322768a4 100644 --- a/drivers/net/wireless/prism54/isl_oid.h +++ b/drivers/net/wireless/prism54/isl_oid.h @@ -1,6 +1,4 @@ /* - * - * * Copyright (C) 2003 Herbert Valerio Riedel * Copyright (C) 2004 Luis R. Rodriguez * Copyright (C) 2004 Aurelien Alleaume @@ -23,7 +21,7 @@ #if !defined(_ISL_OID_H) #define _ISL_OID_H -/* +/* * MIB related constant and structure definitions for communicating * with the device firmware */ @@ -99,7 +97,7 @@ struct obj_attachment { char data[0]; } __attribute__((packed)); -/* +/* * in case everything's ok, the inlined function below will be * optimized away by the compiler... */ @@ -154,13 +152,13 @@ enum dot11_priv_t { /* Prism "Nitro" / Frameburst / "Packet Frame Grouping" * Value is in microseconds. Represents the # microseconds - * the firmware will take to group frames before sending out then out + * the firmware will take to group frames before sending out then out * together with a CSMA contention. Without this all frames are - * sent with a CSMA contention. - * Bibliography: + * sent with a CSMA contention. + * Bibliography: * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Papers/Packet.Frame.Grouping.html */ -enum dot11_maxframeburst_t { +enum dot11_maxframeburst_t { /* Values for DOT11_OID_MAXFRAMEBURST */ DOT11_MAXFRAMEBURST_OFF = 0, /* Card firmware default */ DOT11_MAXFRAMEBURST_MIXED_SAFE = 650, /* 802.11 a,b,g safe */ @@ -176,9 +174,9 @@ enum dot11_maxframeburst_t { /* Support for 802.11 long and short frame preambles. * Long preamble uses 128-bit sync field, 8-bit CRC * Short preamble uses 56-bit sync field, 16-bit CRC - * + * * 802.11a -- not sure, both optionally ? - * 802.11b supports long and optionally short + * 802.11b supports long and optionally short * 802.11g supports both */ enum dot11_preamblesettings_t { DOT11_PREAMBLESETTING_LONG = 0, @@ -194,7 +192,7 @@ enum dot11_preamblesettings_t { * Long uses 802.11a slot timing (9 usec ?) * Short uses 802.11b slot timing (20 use ?) */ enum dot11_slotsettings_t { - DOT11_SLOTSETTINGS_LONG = 0, + DOT11_SLOTSETTINGS_LONG = 0, /* Allows *only* long 802.11b slot timing */ DOT11_SLOTSETTINGS_SHORT = 1, /* Allows *only* long 802.11a slot timing */ @@ -203,7 +201,7 @@ enum dot11_slotsettings_t { }; /* All you need to know, ERP is "Extended Rate PHY". - * An Extended Rate PHY (ERP) STA or AP shall support three different + * An Extended Rate PHY (ERP) STA or AP shall support three different * preamble and header formats: * Long preamble (refer to above) * Short preamble (refer to above) @@ -221,7 +219,7 @@ enum do11_nonerpstatus_t { /* (ERP is "Extended Rate PHY") Way to read NONERP is NON-ERP-* * The key here is DOT11 NON ERP NEVER protects against * NON ERP STA's. You *don't* want this unless - * you know what you are doing. It means you will only + * you know what you are doing. It means you will only * get Extended Rate capabilities */ enum dot11_nonerpprotection_t { DOT11_NONERP_NEVER = 0, @@ -229,13 +227,13 @@ enum dot11_nonerpprotection_t { DOT11_NONERP_DYNAMIC = 2 }; -/* Preset OID configuration for 802.11 modes - * Note: DOT11_OID_CW[MIN|MAX] hold the values of the +/* Preset OID configuration for 802.11 modes + * Note: DOT11_OID_CW[MIN|MAX] hold the values of the * DCS MIN|MAX backoff used */ enum dot11_profile_t { /* And set/allowed values */ /* Allowed values for DOT11_OID_PROFILES */ DOT11_PROFILE_B_ONLY = 0, - /* DOT11_OID_RATES: 1, 2, 5.5, 11Mbps + /* DOT11_OID_RATES: 1, 2, 5.5, 11Mbps * DOT11_OID_PREAMBLESETTINGS: DOT11_PREAMBLESETTING_DYNAMIC * DOT11_OID_CWMIN: 31 * DOT11_OID_NONEPROTECTION: DOT11_NOERP_DYNAMIC @@ -275,7 +273,7 @@ enum oid_inl_conformance_t { OID_INL_CONFORMANCE_NONE = 0, /* Perform active scanning */ OID_INL_CONFORMANCE_STRICT = 1, /* Strictly adhere to 802.11d */ OID_INL_CONFORMANCE_FLEXIBLE = 2, /* Use passed 802.11d info to - * determine channel AND/OR just make assumption that active + * determine channel AND/OR just make assumption that active * channels are valid channels */ }; diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index ec1c00f19eb..1e0603ca436 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003 Herbert Valerio Riedel * Copyright (C) 2003 Luis R. Rodriguez @@ -413,7 +412,7 @@ prism54_bring_down(islpci_private *priv) islpci_set_state(priv, PRV_STATE_PREBOOT); /* disable all device interrupts in case they weren't */ - isl38xx_disable_interrupts(priv->device_base); + isl38xx_disable_interrupts(priv->device_base); /* For safety reasons, we may want to ensure that no DMA transfer is * currently in progress by emptying the TX and RX queues. */ @@ -480,7 +479,7 @@ islpci_reset_if(islpci_private *priv) DEFINE_WAIT(wait); prepare_to_wait(&priv->reset_done, &wait, TASK_UNINTERRUPTIBLE); - + /* now the last step is to reset the interface */ isl38xx_interface_reset(priv->device_base, priv->device_host_address); islpci_set_state(priv, PRV_STATE_PREINIT); @@ -488,7 +487,7 @@ islpci_reset_if(islpci_private *priv) for(count = 0; count < 2 && result; count++) { /* The software reset acknowledge needs about 220 msec here. * Be conservative and wait for up to one second. */ - + remaining = schedule_timeout_uninterruptible(HZ); if(remaining > 0) { @@ -496,7 +495,7 @@ islpci_reset_if(islpci_private *priv) break; } - /* If we're here it's because our IRQ hasn't yet gone through. + /* If we're here it's because our IRQ hasn't yet gone through. * Retry a bit more... */ printk(KERN_ERR "%s: no 'reset complete' IRQ seen - retrying\n", @@ -514,7 +513,7 @@ islpci_reset_if(islpci_private *priv) /* Now that the device is 100% up, let's allow * for the other interrupts -- - * NOTE: this is not *yet* true since we've only allowed the + * NOTE: this is not *yet* true since we've only allowed the * INIT interrupt on the IRQ line. We can perhaps poll * the IRQ line until we know for sure the reset went through */ isl38xx_enable_common_interrupts(priv->device_base); @@ -716,7 +715,7 @@ islpci_alloc_memory(islpci_private *priv) prism54_acl_init(&priv->acl); prism54_wpa_bss_ie_init(priv); - if (mgt_init(priv)) + if (mgt_init(priv)) goto out_free; return 0; diff --git a/drivers/net/wireless/prism54/islpci_dev.h b/drivers/net/wireless/prism54/islpci_dev.h index 2f7e525d0cf..a9aa1662eaa 100644 --- a/drivers/net/wireless/prism54/islpci_dev.h +++ b/drivers/net/wireless/prism54/islpci_dev.h @@ -1,6 +1,5 @@ /* - * - * Copyright (C) 2002 Intersil Americas Inc. + * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003 Herbert Valerio Riedel * Copyright (C) 2003 Luis R. Rodriguez * Copyright (C) 2003 Aurelien Alleaume @@ -72,12 +71,12 @@ struct islpci_bss_wpa_ie { u8 bssid[ETH_ALEN]; u8 wpa_ie[MAX_WPA_IE_LEN]; size_t wpa_ie_len; - + }; typedef struct { spinlock_t slock; /* generic spinlock; */ - + u32 priv_oid; /* our mib cache */ @@ -85,7 +84,7 @@ typedef struct { struct rw_semaphore mib_sem; void **mib; char nickname[IW_ESSID_MAX_SIZE+1]; - + /* Take care of the wireless stats */ struct work_struct stats_work; struct semaphore stats_sem; @@ -120,7 +119,7 @@ typedef struct { struct net_device *ndev; /* device queue interface members */ - struct isl38xx_cb *control_block; /* device control block + struct isl38xx_cb *control_block; /* device control block (== driver_mem_address!) */ /* Each queue has three indexes: diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index bfbafe99b94..676d83813dc 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2004 Aurelien Alleaume * This program is free software; you can redistribute it and/or modify @@ -48,7 +47,7 @@ islpci_eth_cleanup_transmit(islpci_private *priv, /* read the index of the first fragment to be freed */ index = priv->free_data_tx % ISL38XX_CB_TX_QSIZE; - /* check for holes in the arrays caused by multi fragment frames + /* check for holes in the arrays caused by multi fragment frames * searching for the last fragment of a frame */ if (priv->pci_map_tx_address[index] != (dma_addr_t) NULL) { /* entry is the last fragment of a frame @@ -285,7 +284,7 @@ islpci_monitor_rx(islpci_private *priv, struct sk_buff **skb) (struct avs_80211_1_header *) skb_push(*skb, sizeof (struct avs_80211_1_header)); - + avs->version = cpu_to_be32(P80211CAPTURE_VERSION); avs->length = cpu_to_be32(sizeof (struct avs_80211_1_header)); avs->mactime = cpu_to_be64(le64_to_cpu(clock)); @@ -391,7 +390,7 @@ islpci_eth_receive(islpci_private *priv) struct rx_annex_header *annex = (struct rx_annex_header *) skb->data; wstats.level = annex->rfmon.rssi; - /* The noise value can be a bit outdated if nobody's + /* The noise value can be a bit outdated if nobody's * reading wireless stats... */ wstats.noise = priv->local_iwstatistics.qual.noise; wstats.qual = wstats.level - wstats.noise; diff --git a/drivers/net/wireless/prism54/islpci_eth.h b/drivers/net/wireless/prism54/islpci_eth.h index bc9d7a60b8d..26789454067 100644 --- a/drivers/net/wireless/prism54/islpci_eth.h +++ b/drivers/net/wireless/prism54/islpci_eth.h @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c index f692dccf0d0..f6354b1cbc2 100644 --- a/drivers/net/wireless/prism54/islpci_hotplug.c +++ b/drivers/net/wireless/prism54/islpci_hotplug.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003 Herbert Valerio Riedel * @@ -40,8 +39,8 @@ static int init_pcitm = 0; module_param(init_pcitm, int, 0); /* In this order: vendor, device, subvendor, subdevice, class, class_mask, - * driver_data - * If you have an update for this please contact prism54-devel@prism54.org + * driver_data + * If you have an update for this please contact prism54-devel@prism54.org * The latest list can be found at http://prism54.org/supported_cards.php */ static const struct pci_device_id prism54_id_tbl[] = { /* Intersil PRISM Duette/Prism GT Wireless LAN adapter */ @@ -132,15 +131,15 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* 0x40 is the programmable timer to configure the response timeout (TRDY_TIMEOUT) * 0x41 is the programmable timer to configure the retry timeout (RETRY_TIMEOUT) - * The RETRY_TIMEOUT is used to set the number of retries that the core, as a - * Master, will perform before abandoning a cycle. The default value for - * RETRY_TIMEOUT is 0x80, which far exceeds the PCI 2.1 requirement for new - * devices. A write of zero to the RETRY_TIMEOUT register disables this - * function to allow use with any non-compliant legacy devices that may - * execute more retries. + * The RETRY_TIMEOUT is used to set the number of retries that the core, as a + * Master, will perform before abandoning a cycle. The default value for + * RETRY_TIMEOUT is 0x80, which far exceeds the PCI 2.1 requirement for new + * devices. A write of zero to the RETRY_TIMEOUT register disables this + * function to allow use with any non-compliant legacy devices that may + * execute more retries. * - * Writing zero to both these two registers will disable both timeouts and - * *can* solve problems caused by devices that are slow to respond. + * Writing zero to both these two registers will disable both timeouts and + * *can* solve problems caused by devices that are slow to respond. * Make this configurable - MSW */ if ( init_pcitm >= 0 ) { @@ -241,7 +240,7 @@ prism54_remove(struct pci_dev *pdev) isl38xx_disable_interrupts(priv->device_base); islpci_set_state(priv, PRV_STATE_OFF); /* This bellow causes a lockup at rmmod time. It might be - * because some interrupts still linger after rmmod time, + * because some interrupts still linger after rmmod time, * see bug #17 */ /* pci_set_power_state(pdev, 3);*/ /* try to power-off */ } diff --git a/drivers/net/wireless/prism54/islpci_mgt.c b/drivers/net/wireless/prism54/islpci_mgt.c index 2e061a80b29..036a875054c 100644 --- a/drivers/net/wireless/prism54/islpci_mgt.c +++ b/drivers/net/wireless/prism54/islpci_mgt.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright 2004 Jens Maurer * @@ -502,7 +501,7 @@ islpci_mgt_transaction(struct net_device *ndev, printk(KERN_WARNING "%s: timeout waiting for mgmt response\n", ndev->name); - /* TODO: we should reset the device here */ + /* TODO: we should reset the device here */ out: finish_wait(&priv->mgmt_wqueue, &wait); up(&priv->mgmt_sem); diff --git a/drivers/net/wireless/prism54/islpci_mgt.h b/drivers/net/wireless/prism54/islpci_mgt.h index 2982be3363e..fc53b587b72 100644 --- a/drivers/net/wireless/prism54/islpci_mgt.h +++ b/drivers/net/wireless/prism54/islpci_mgt.h @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003 Luis R. Rodriguez * @@ -36,8 +35,8 @@ extern int pc_debug; /* General driver definitions */ -#define PCIDEVICE_LATENCY_TIMER_MIN 0x40 -#define PCIDEVICE_LATENCY_TIMER_VAL 0x50 +#define PCIDEVICE_LATENCY_TIMER_MIN 0x40 +#define PCIDEVICE_LATENCY_TIMER_VAL 0x50 /* Debugging verbose definitions */ #define SHOW_NOTHING 0x00 /* overrules everything */ diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c index ebb23878583..fbc52b6a302 100644 --- a/drivers/net/wireless/prism54/oid_mgt.c +++ b/drivers/net/wireless/prism54/oid_mgt.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2003,2004 Aurelien Alleaume * * This program is free software; you can redistribute it and/or modify @@ -503,7 +503,7 @@ mgt_set_varlen(islpci_private *priv, enum oid_num_t n, void *data, int extra_len } if (ret || response_op == PIMFOR_OP_ERROR) ret = -EIO; - } else + } else ret = -EIO; /* re-set given data to what it was */ @@ -727,7 +727,7 @@ mgt_commit(islpci_private *priv) * MEDIUMLIMIT,BEACONPERIOD,DTIMPERIOD,ATIMWINDOW,LISTENINTERVAL * FREQUENCY,EXTENDEDRATES. * - * The way to do this is to set ESSID. Note though that they may get + * The way to do this is to set ESSID. Note though that they may get * unlatch before though by setting another OID. */ #if 0 void diff --git a/drivers/net/wireless/prism54/prismcompat.h b/drivers/net/wireless/prism54/prismcompat.h index d71eca55a30..aa1d1747784 100644 --- a/drivers/net/wireless/prism54/prismcompat.h +++ b/drivers/net/wireless/prism54/prismcompat.h @@ -1,4 +1,4 @@ -/* +/* * (C) 2004 Margit Schubert-While * * This program is free software; you can redistribute it and/or modify @@ -16,7 +16,7 @@ * */ -/* +/* * Compatibility header file to aid support of different kernel versions */ -- cgit v1.2.3 From 3b31dc327f07a2df06da931ffb0bb1627711bd86 Mon Sep 17 00:00:00 2001 From: Holden Karau Date: Tue, 10 Oct 2006 14:45:33 -0700 Subject: [PATCH] atmel: output signal strength information Output signal strength information as part of iwlist scan - before it did not output any signal strength related information. Signed-off-by: Holden Karau Cc: Jean Tourrilhes Signed-off-by: Andrew Morton Signed-off-by: John W. Linville --- drivers/net/wireless/atmel.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 74c800f6caf..10bcb48e80d 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -2343,6 +2343,14 @@ static int atmel_get_scan(struct net_device *dev, iwe.u.freq.e = 0; current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_FREQ_LEN); + /* Add quality statistics */ + iwe.cmd = IWEVQUAL; + iwe.u.qual.level = priv->BSSinfo[i].RSSI; + iwe.u.qual.qual = iwe.u.qual.level; + /* iwe.u.qual.noise = SOMETHING */ + current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA , &iwe, IW_EV_QUAL_LEN); + + iwe.cmd = SIOCGIWENCODE; if (priv->BSSinfo[i].UsingWEP) iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; -- cgit v1.2.3 From 995cdaa45b1faf8f4472e4b4c6027dc685ae1b54 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 10 Oct 2006 14:45:47 -0700 Subject: [PATCH] prism54: use BUILD_BUG_ON Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: John W. Linville --- drivers/net/wireless/prism54/isl_oid.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/prism54/isl_oid.h b/drivers/net/wireless/prism54/isl_oid.h index ab5322768a4..b7534c2869c 100644 --- a/drivers/net/wireless/prism54/isl_oid.h +++ b/drivers/net/wireless/prism54/isl_oid.h @@ -104,14 +104,14 @@ struct obj_attachment { static inline void __bug_on_wrong_struct_sizes(void) { - BUG_ON(sizeof (struct obj_ssid) != 34); - BUG_ON(sizeof (struct obj_key) != 34); - BUG_ON(sizeof (struct obj_mlme) != 12); - BUG_ON(sizeof (struct obj_mlmeex) != 14); - BUG_ON(sizeof (struct obj_buffer) != 8); - BUG_ON(sizeof (struct obj_bss) != 60); - BUG_ON(sizeof (struct obj_bsslist) != 4); - BUG_ON(sizeof (struct obj_frequencies) != 2); + BUILD_BUG_ON(sizeof (struct obj_ssid) != 34); + BUILD_BUG_ON(sizeof (struct obj_key) != 34); + BUILD_BUG_ON(sizeof (struct obj_mlme) != 12); + BUILD_BUG_ON(sizeof (struct obj_mlmeex) != 14); + BUILD_BUG_ON(sizeof (struct obj_buffer) != 8); + BUILD_BUG_ON(sizeof (struct obj_bss) != 60); + BUILD_BUG_ON(sizeof (struct obj_bsslist) != 4); + BUILD_BUG_ON(sizeof (struct obj_frequencies) != 2); } enum dot11_state_t { -- cgit v1.2.3 From f3d1fca3eb05cf6ff3879a385a15d24fbf556c57 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Sun, 15 Oct 2006 23:18:11 -0500 Subject: [PATCH] bcm43xx: add PCI-E code The current bcm43xx driver does not contain code to handle PCI-E interfaces such as the BCM4311 and BCM4312. This patch, originally written by Stefano Brivio adds the necessary code to enable these interfaces. Signed-off-by: Stefano Brivio Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx.h | 29 ++++++ drivers/net/wireless/bcm43xx/bcm43xx_main.c | 143 ++++++++++++++++++++------- drivers/net/wireless/bcm43xx/bcm43xx_power.c | 28 ++++-- 3 files changed, 156 insertions(+), 44 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index 5f43d7f42af..94dfb92fab5 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -159,6 +159,7 @@ /* Chipcommon registers. */ #define BCM43xx_CHIPCOMMON_CAPABILITIES 0x04 +#define BCM43xx_CHIPCOMMON_CTL 0x28 #define BCM43xx_CHIPCOMMON_PLLONDELAY 0xB0 #define BCM43xx_CHIPCOMMON_FREFSELDELAY 0xB4 #define BCM43xx_CHIPCOMMON_SLOWCLKCTL 0xB8 @@ -172,6 +173,33 @@ /* SBTOPCI2 values. */ #define BCM43xx_SBTOPCI2_PREFETCH 0x4 #define BCM43xx_SBTOPCI2_BURST 0x8 +#define BCM43xx_SBTOPCI2_MEMREAD_MULTI 0x20 + +/* PCI-E core registers. */ +#define BCM43xx_PCIECORE_REG_ADDR 0x0130 +#define BCM43xx_PCIECORE_REG_DATA 0x0134 +#define BCM43xx_PCIECORE_MDIO_CTL 0x0128 +#define BCM43xx_PCIECORE_MDIO_DATA 0x012C + +/* PCI-E registers. */ +#define BCM43xx_PCIE_TLP_WORKAROUND 0x0004 +#define BCM43xx_PCIE_DLLP_LINKCTL 0x0100 + +/* PCI-E MDIO bits. */ +#define BCM43xx_PCIE_MDIO_ST 0x40000000 +#define BCM43xx_PCIE_MDIO_WT 0x10000000 +#define BCM43xx_PCIE_MDIO_DEV 22 +#define BCM43xx_PCIE_MDIO_REG 18 +#define BCM43xx_PCIE_MDIO_TA 0x00020000 +#define BCM43xx_PCIE_MDIO_TC 0x0100 + +/* MDIO devices. */ +#define BCM43xx_MDIO_SERDES_RX 0x1F + +/* SERDES RX registers. */ +#define BCM43xx_SERDES_RXTIMER 0x2 +#define BCM43xx_SERDES_CDR 0x6 +#define BCM43xx_SERDES_CDR_BW 0x7 /* Chipcommon capabilities. */ #define BCM43xx_CAPABILITIES_PCTL 0x00040000 @@ -221,6 +249,7 @@ #define BCM43xx_COREID_USB20_HOST 0x819 #define BCM43xx_COREID_USB20_DEV 0x81a #define BCM43xx_COREID_SDIO_HOST 0x81b +#define BCM43xx_COREID_PCIE 0x820 /* Core Information Registers */ #define BCM43xx_CIR_BASE 0xf00 diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 2ffc0d5b54e..c6bd86889f1 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -130,6 +130,10 @@ MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging."); { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Broadcom 4307 802.11b */ { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4311 802.11(a)/b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4312 802.11a/b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Broadcom 4318 802.11b/g */ { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Broadcom 4319 802.11a/b/g */ @@ -2600,8 +2604,9 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) /* fetch sb_id_hi from core information registers */ sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); - core_id = (sb_id_hi & 0xFFF0) >> 4; - core_rev = (sb_id_hi & 0xF); + core_id = (sb_id_hi & 0x8FF0) >> 4; + core_rev = (sb_id_hi & 0x7000) >> 8; + core_rev |= (sb_id_hi & 0xF); core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; /* if present, chipcommon is always core 0; read the chipid from it */ @@ -2711,6 +2716,7 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) core = NULL; switch (core_id) { case BCM43xx_COREID_PCI: + case BCM43xx_COREID_PCIE: core = &bcm->core_pci; if (core->available) { printk(KERN_WARNING PFX "Multiple PCI cores found.\n"); @@ -2749,12 +2755,12 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) case 6: case 7: case 9: + case 10: break; default: - printk(KERN_ERR PFX "Error: Unsupported 80211 core revision %u\n", + printk(KERN_WARNING PFX + "Unsupported 80211 core revision %u\n", core_rev); - err = -ENODEV; - goto out; } bcm->nr_80211_available++; core->priv = ext_80211; @@ -2868,16 +2874,11 @@ static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm, u32 sbimconfiglow; u8 limit; - if (bcm->chip_rev < 5) { + if (bcm->core_pci.rev <= 5 && bcm->core_pci.id != BCM43xx_COREID_PCIE) { sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - if (bcm->bustype == BCM43xx_BUSTYPE_PCI) - sbimconfiglow |= 0x32; - else if (bcm->bustype == BCM43xx_BUSTYPE_SB) - sbimconfiglow |= 0x53; - else - assert(0); + sbimconfiglow |= 0x32; bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow); } @@ -3004,22 +3005,64 @@ static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm, static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm) { - int err; - struct bcm43xx_coreinfo *old_core; + int err = 0; - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (err) - goto out; + bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + if (bcm->core_chipcommon.available) { + err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); + if (err) + goto out; + + bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + + /* this function is always called when a PCI core is mapped */ + err = bcm43xx_switch_core(bcm, &bcm->core_pci); + if (err) + goto out; + } else + bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); + + bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); - bcm43xx_switch_core(bcm, old_core); - assert(err == 0); out: return err; } +static u32 bcm43xx_pcie_reg_read(struct bcm43xx_private *bcm, u32 address) +{ + bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); + return bcm43xx_read32(bcm, BCM43xx_PCIECORE_REG_DATA); +} + +static void bcm43xx_pcie_reg_write(struct bcm43xx_private *bcm, u32 address, + u32 data) +{ + bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); + bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_DATA, data); +} + +static void bcm43xx_pcie_mdio_write(struct bcm43xx_private *bcm, u8 dev, u8 reg, + u16 data) +{ + int i; + + bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0x0082); + bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_DATA, BCM43xx_PCIE_MDIO_ST | + BCM43xx_PCIE_MDIO_WT | (dev << BCM43xx_PCIE_MDIO_DEV) | + (reg << BCM43xx_PCIE_MDIO_REG) | BCM43xx_PCIE_MDIO_TA | + data); + udelay(10); + + for (i = 0; i < 10; i++) { + if (bcm43xx_read32(bcm, BCM43xx_PCIECORE_MDIO_CTL) & + BCM43xx_PCIE_MDIO_TC) + break; + msleep(1); + } + bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0); +} + /* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable. * To enable core 0, pass a core_mask of 1<<0 */ @@ -3039,7 +3082,8 @@ static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, if (err) goto out; - if (bcm->core_pci.rev < 6) { + if (bcm->current_core->rev < 6 || + bcm->current_core->id == BCM43xx_COREID_PCI) { value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC); value |= (1 << backplane_flag_nr); bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value); @@ -3057,21 +3101,46 @@ static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, } } - value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); - value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; - bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); - - if (bcm->core_pci.rev < 5) { - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); - value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); - err = bcm43xx_pcicore_commit_settings(bcm); - assert(err == 0); + if (bcm->current_core->id == BCM43xx_COREID_PCI) { + value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); + value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; + bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); + + if (bcm->current_core->rev < 5) { + value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); + value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) + & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; + value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) + & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; + bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); + err = bcm43xx_pcicore_commit_settings(bcm); + assert(err == 0); + } else if (bcm->current_core->rev >= 11) { + value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); + value |= BCM43xx_SBTOPCI2_MEMREAD_MULTI; + bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); + } + } else { + if (bcm->current_core->rev == 0 || bcm->current_core->rev == 1) { + value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_TLP_WORKAROUND); + value |= 0x8; + bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_TLP_WORKAROUND, + value); + } + if (bcm->current_core->rev == 0) { + bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, + BCM43xx_SERDES_RXTIMER, 0x8128); + bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, + BCM43xx_SERDES_CDR, 0x0100); + bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, + BCM43xx_SERDES_CDR_BW, 0x1466); + } else if (bcm->current_core->rev == 1) { + value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_DLLP_LINKCTL); + value |= 0x40; + bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_DLLP_LINKCTL, + value); + } } - out_switch_back: err = bcm43xx_switch_core(bcm, old_core); out: @@ -3676,7 +3745,7 @@ static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; break; case BCM43xx_PHYTYPE_G: - if (phy_rev > 7) + if (phy_rev > 8) phy_rev_ok = 0; bcm->ieee->modulation = IEEE80211_OFDM_MODULATION | IEEE80211_CCK_MODULATION; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.c b/drivers/net/wireless/bcm43xx/bcm43xx_power.c index 6569da3a7a3..7e774f41095 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_power.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_power.c @@ -153,8 +153,6 @@ int bcm43xx_pctl_init(struct bcm43xx_private *bcm) int err, maxfreq; struct bcm43xx_coreinfo *old_core; - if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL)) - return 0; old_core = bcm->current_core; err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); if (err == -ENODEV) @@ -162,11 +160,27 @@ int bcm43xx_pctl_init(struct bcm43xx_private *bcm) if (err) goto out; - maxfreq = bcm43xx_pctl_clockfreqlimit(bcm, 1); - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY, - (maxfreq * 150 + 999999) / 1000000); - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_FREFSELDELAY, - (maxfreq * 15 + 999999) / 1000000); + if (bcm->chip_id == 0x4321) { + if (bcm->chip_rev == 0) + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_CTL, 0x03A4); + if (bcm->chip_rev == 1) + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_CTL, 0x00A4); + } + + if (bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL) { + if (bcm->current_core->rev >= 10) { + /* Set Idle Power clock rate to 1Mhz */ + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL, + (bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL) + & 0x0000FFFF) | 0x40000); + } else { + maxfreq = bcm43xx_pctl_clockfreqlimit(bcm, 1); + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY, + (maxfreq * 150 + 999999) / 1000000); + bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_FREFSELDELAY, + (maxfreq * 15 + 999999) / 1000000); + } + } err = bcm43xx_switch_core(bcm, old_core); assert(err == 0); -- cgit v1.2.3 From 3d396eb17e9f8c5f59314078b45b88647591378d Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Sat, 21 Oct 2006 15:33:03 -0400 Subject: Add NetXen 1G/10G ethernet driver. Signed-off-by: Amit S. Kale Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 5 + drivers/net/Makefile | 1 + drivers/net/netxen/Makefile | 35 + drivers/net/netxen/netxen_nic.h | 910 ++++++++++++++++++++++++ drivers/net/netxen/netxen_nic_ethtool.c | 715 +++++++++++++++++++ drivers/net/netxen/netxen_nic_hdr.h | 618 ++++++++++++++++ drivers/net/netxen/netxen_nic_hw.c | 936 ++++++++++++++++++++++++ drivers/net/netxen/netxen_nic_hw.h | 480 +++++++++++++ drivers/net/netxen/netxen_nic_init.c | 1143 ++++++++++++++++++++++++++++++ drivers/net/netxen/netxen_nic_ioctl.h | 75 ++ drivers/net/netxen/netxen_nic_isr.c | 221 ++++++ drivers/net/netxen/netxen_nic_main.c | 1116 +++++++++++++++++++++++++++++ drivers/net/netxen/netxen_nic_niu.c | 800 +++++++++++++++++++++ drivers/net/netxen/netxen_nic_phan_reg.h | 195 +++++ 14 files changed, 7250 insertions(+) create mode 100644 drivers/net/netxen/Makefile create mode 100644 drivers/net/netxen/netxen_nic.h create mode 100644 drivers/net/netxen/netxen_nic_ethtool.c create mode 100644 drivers/net/netxen/netxen_nic_hdr.h create mode 100644 drivers/net/netxen/netxen_nic_hw.c create mode 100644 drivers/net/netxen/netxen_nic_hw.h create mode 100644 drivers/net/netxen/netxen_nic_init.c create mode 100644 drivers/net/netxen/netxen_nic_ioctl.h create mode 100644 drivers/net/netxen/netxen_nic_isr.c create mode 100644 drivers/net/netxen/netxen_nic_main.c create mode 100644 drivers/net/netxen/netxen_nic_niu.c create mode 100644 drivers/net/netxen/netxen_nic_phan_reg.h (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index d3abf80ea3e..112d4cd5c66 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2447,6 +2447,11 @@ config MYRI10GE . The module will be called myri10ge. +config NETXEN_NIC + tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC" + help + This enables the support for NetXen's Gigabit Ethernet card. + endmenu source "drivers/net/tokenring/Kconfig" diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 7d361842428..7889e4ca184 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -213,3 +213,4 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o obj-$(CONFIG_FS_ENET) += fs_enet/ +obj-$(CONFIG_NETXEN_NIC) += netxen/ diff --git a/drivers/net/netxen/Makefile b/drivers/net/netxen/Makefile new file mode 100644 index 00000000000..a07cdc6f738 --- /dev/null +++ b/drivers/net/netxen/Makefile @@ -0,0 +1,35 @@ +# Copyright (C) 2003 - 2006 NetXen, Inc. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, +# MA 02111-1307, USA. +# +# The full GNU General Public License is included in this distribution +# in the file called LICENSE. +# +# Contact Information: +# info@netxen.com +# NetXen, +# 3965 Freedom Circle, Fourth floor, +# Santa Clara, CA 95054 +# +# Makefile for the NetXen NIC Driver +# + + +obj-$(CONFIG_NETXEN_NIC) := netxen_nic.o + +netxen_nic-y := netxen_nic_hw.o netxen_nic_main.o netxen_nic_init.o \ + netxen_nic_isr.o netxen_nic_ethtool.o netxen_nic_niu.o diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h new file mode 100644 index 00000000000..c7d76c14f7b --- /dev/null +++ b/drivers/net/netxen/netxen_nic.h @@ -0,0 +1,910 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + */ + +#ifndef _NETXEN_NIC_H_ +#define _NETXEN_NIC_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include + +#include "netxen_nic_hw.h" + +#define NETXEN_NIC_BUILD_NO "232" +#define _NETXEN_NIC_LINUX_MAJOR 2 +#define _NETXEN_NIC_LINUX_MINOR 3 +#define _NETXEN_NIC_LINUX_SUBVERSION 57 +#define NETXEN_NIC_LINUX_VERSIONID "2.3.57" +#define NETXEN_NIC_FW_VERSIONID "2.3.57" + +#define RCV_DESC_RINGSIZE \ + (sizeof(struct rcv_desc) * adapter->max_rx_desc_count) +#define STATUS_DESC_RINGSIZE \ + (sizeof(struct status_desc)* adapter->max_rx_desc_count) +#define TX_RINGSIZE \ + (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count) +#define RCV_BUFFSIZE \ + (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count) +#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a))) + +#define NETXEN_NETDEV_STATUS 0x1 + +#define ADDR_IN_WINDOW1(off) \ + ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0 + +/* + * normalize a 64MB crb address to 32MB PCI window + * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1 + */ +#define NETXEN_CRB_NORMALIZE(adapter, reg) \ + ((adapter)->ahw.pci_base + (reg) \ + - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST) + +#define MAX_RX_BUFFER_LENGTH 2000 +#define MAX_RX_JUMBO_BUFFER_LENGTH 9046 +#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN) +#define RX_JUMBO_DMA_MAP_LEN \ + (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN) +#define NETXEN_ROM_ROUNDUP 0x80000000ULL + +/* + * Maximum number of ring contexts + */ +#define MAX_RING_CTX 1 + +/* Opcodes to be used with the commands */ +enum { + TX_ETHER_PKT = 0x01, +/* The following opcodes are for IP checksum */ + TX_TCP_PKT, + TX_UDP_PKT, + TX_IP_PKT, + TX_TCP_LSO, + TX_IPSEC, + TX_IPSEC_CMD +}; + +/* The following opcodes are for internal consumption. */ +#define NETXEN_CONTROL_OP 0x10 +#define PEGNET_REQUEST 0x11 + +#define MAX_NUM_CARDS 4 + +#define MAX_BUFFERS_PER_CMD 32 + +/* + * Following are the states of the Phantom. Phantom will set them and + * Host will read to check if the fields are correct. + */ +#define PHAN_INITIALIZE_START 0xff00 +#define PHAN_INITIALIZE_FAILED 0xffff +#define PHAN_INITIALIZE_COMPLETE 0xff01 + +/* Host writes the following to notify that it has done the init-handshake */ +#define PHAN_INITIALIZE_ACK 0xf00f + +#define NUM_RCV_DESC_RINGS 2 /* No of Rcv Descriptor contexts */ + +/* descriptor types */ +#define RCV_DESC_NORMAL 0x01 +#define RCV_DESC_JUMBO 0x02 +#define RCV_DESC_NORMAL_CTXID 0 +#define RCV_DESC_JUMBO_CTXID 1 + +#define RCV_DESC_TYPE(ID) \ + ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL) + +#define MAX_CMD_DESCRIPTORS 1024 +#define MAX_RCV_DESCRIPTORS 32768 +#define MAX_JUMBO_RCV_DESCRIPTORS 1024 +#define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS +#define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS +#define MAX_RCV_DESC MAX_RCV_DESCRIPTORS +#define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS +#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS) +#define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8) + +#define MIN_TX_COUNT 4096 +#define MIN_RX_COUNT 4096 + +#define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */ + +#define PHAN_PEG_RCV_INITIALIZED 0xff01 +#define PHAN_PEG_RCV_START_INITIALIZE 0xff00 + +#define get_next_index(index, length) \ + (((index) + 1) & ((length) - 1)) + +#define get_index_range(index,length,count) \ + (((index) + (count)) & ((length) - 1)) + +/* + * Following data structures describe the descriptors that will be used. + * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when + * we are doing LSO (above the 1500 size packet) only. + */ + +/* + * The size of reference handle been changed to 16 bits to pass the MSS fields + * for the LSO packet + */ + +#define FLAGS_CHECKSUM_ENABLED 0x01 +#define FLAGS_LSO_ENABLED 0x02 +#define FLAGS_IPSEC_SA_ADD 0x04 +#define FLAGS_IPSEC_SA_DELETE 0x08 +#define FLAGS_VLAN_TAGGED 0x10 + +#define CMD_DESC_TOTAL_LENGTH(cmd_desc) \ + ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF) +#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \ + (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF) +#define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F) +#define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F) + +#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \ + ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF)) +#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \ + ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000)) +#define CMD_DESC_PORT_WRT(cmd_desc, var) \ + ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) + +struct cmd_desc_type0 { + u64 netxen_next; /* for fragments handled by Phantom */ + union { + struct { + u32 addr_low_part2; + u32 addr_high_part2; + }; + u64 addr_buffer2; + }; + + /* Bit pattern: 0-23 total length, 24-32 tcp header offset */ + u32 length_tcp_hdr; + u8 ip_hdr_offset; /* For LSO only */ + u8 num_of_buffers; /* total number of segments */ + u8 flags; /* as defined above */ + u8 opcode; + + u16 reference_handle; /* changed to u16 to add mss */ + u16 mss; /* passed by NDIS_PACKET for LSO */ + /* Bit pattern 0-3 port, 0-3 ctx id */ + u8 port_ctxid; + u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */ + u16 conn_id; /* IPSec offoad only */ + + union { + struct { + u32 addr_low_part3; + u32 addr_high_part3; + }; + u64 addr_buffer3; + }; + + union { + struct { + u32 addr_low_part1; + u32 addr_high_part1; + }; + u64 addr_buffer1; + }; + + u16 buffer1_length; + u16 buffer2_length; + u16 buffer3_length; + u16 buffer4_length; + + union { + struct { + u32 addr_low_part4; + u32 addr_high_part4; + }; + u64 addr_buffer4; + }; + +} __attribute__ ((aligned(64))); + +/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */ +struct rcv_desc { + u16 reference_handle; + u16 reserved; + u32 buffer_length; /* allocated buffer length (usually 2K) */ + u64 addr_buffer; +}; + +/* opcode field in status_desc */ +#define RCV_NIC_PKT (0xA) +#define STATUS_NIC_PKT ((RCV_NIC_PKT) << 12) + +/* for status field in status_desc */ +#define STATUS_NEED_CKSUM (1) +#define STATUS_CKSUM_OK (2) + +/* owner bits of status_desc */ +#define STATUS_OWNER_HOST (0x1) +#define STATUS_OWNER_PHANTOM (0x2) + +#define NETXEN_PROT_IP (1) +#define NETXEN_PROT_UNKNOWN (0) + +/* Note: sizeof(status_desc) should always be a mutliple of 2 */ +#define STATUS_DESC_PORT(status_desc) \ + ((status_desc)->port_status_type_op & 0x0F) +#define STATUS_DESC_STATUS(status_desc) \ + (((status_desc)->port_status_type_op >> 4) & 0x0F) +#define STATUS_DESC_TYPE(status_desc) \ + (((status_desc)->port_status_type_op >> 8) & 0x0F) +#define STATUS_DESC_OPCODE(status_desc) \ + (((status_desc)->port_status_type_op >> 12) & 0x0F) + +struct status_desc { + /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */ + u16 port_status_type_op; + u16 total_length; /* NIC mode */ + u16 reference_handle; /* handle for the associated packet */ + /* Bit pattern: 0-1 owner, 2-5 protocol */ + u16 owner; /* Owner of the descriptor */ +} __attribute__ ((aligned(8))); + +enum { + NETXEN_RCV_PEG_0 = 0, + NETXEN_RCV_PEG_1 +}; +/* The version of the main data structure */ +#define NETXEN_BDINFO_VERSION 1 + +/* Magic number to let user know flash is programmed */ +#define NETXEN_BDINFO_MAGIC 0x12345678 + +/* Max number of Gig ports on a Phantom board */ +#define NETXEN_MAX_PORTS 4 + +typedef enum { + NETXEN_BRDTYPE_P1_BD = 0x0000, + NETXEN_BRDTYPE_P1_SB = 0x0001, + NETXEN_BRDTYPE_P1_SMAX = 0x0002, + NETXEN_BRDTYPE_P1_SOCK = 0x0003, + + NETXEN_BRDTYPE_P2_SOCK_31 = 0x0008, + NETXEN_BRDTYPE_P2_SOCK_35 = 0x0009, + NETXEN_BRDTYPE_P2_SB35_4G = 0x000a, + NETXEN_BRDTYPE_P2_SB31_10G = 0x000b, + NETXEN_BRDTYPE_P2_SB31_2G = 0x000c, + + NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d, + NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e, + NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f +} netxen_brdtype_t; + +typedef enum { + NETXEN_BRDMFG_INVENTEC = 1 +} netxen_brdmfg; + +typedef enum { + MEM_ORG_128Mbx4 = 0x0, /* DDR1 only */ + MEM_ORG_128Mbx8 = 0x1, /* DDR1 only */ + MEM_ORG_128Mbx16 = 0x2, /* DDR1 only */ + MEM_ORG_256Mbx4 = 0x3, + MEM_ORG_256Mbx8 = 0x4, + MEM_ORG_256Mbx16 = 0x5, + MEM_ORG_512Mbx4 = 0x6, + MEM_ORG_512Mbx8 = 0x7, + MEM_ORG_512Mbx16 = 0x8, + MEM_ORG_1Gbx4 = 0x9, + MEM_ORG_1Gbx8 = 0xa, + MEM_ORG_1Gbx16 = 0xb, + MEM_ORG_2Gbx4 = 0xc, + MEM_ORG_2Gbx8 = 0xd, + MEM_ORG_2Gbx16 = 0xe, + MEM_ORG_128Mbx32 = 0x10002, /* GDDR only */ + MEM_ORG_256Mbx32 = 0x10005 /* GDDR only */ +} netxen_mn_mem_org_t; + +typedef enum { + MEM_ORG_512Kx36 = 0x0, + MEM_ORG_1Mx36 = 0x1, + MEM_ORG_2Mx36 = 0x2 +} netxen_sn_mem_org_t; + +typedef enum { + MEM_DEPTH_4MB = 0x1, + MEM_DEPTH_8MB = 0x2, + MEM_DEPTH_16MB = 0x3, + MEM_DEPTH_32MB = 0x4, + MEM_DEPTH_64MB = 0x5, + MEM_DEPTH_128MB = 0x6, + MEM_DEPTH_256MB = 0x7, + MEM_DEPTH_512MB = 0x8, + MEM_DEPTH_1GB = 0x9, + MEM_DEPTH_2GB = 0xa, + MEM_DEPTH_4GB = 0xb, + MEM_DEPTH_8GB = 0xc, + MEM_DEPTH_16GB = 0xd, + MEM_DEPTH_32GB = 0xe +} netxen_mem_depth_t; + +struct netxen_board_info { + u32 header_version; + + u32 board_mfg; + u32 board_type; + u32 board_num; + u32 chip_id; + u32 chip_minor; + u32 chip_major; + u32 chip_pkg; + u32 chip_lot; + + u32 port_mask; /* available niu ports */ + u32 peg_mask; /* available pegs */ + u32 icache_ok; /* can we run with icache? */ + u32 dcache_ok; /* can we run with dcache? */ + u32 casper_ok; + + u32 mac_addr_lo_0; + u32 mac_addr_lo_1; + u32 mac_addr_lo_2; + u32 mac_addr_lo_3; + + /* MN-related config */ + u32 mn_sync_mode; /* enable/ sync shift cclk/ sync shift mclk */ + u32 mn_sync_shift_cclk; + u32 mn_sync_shift_mclk; + u32 mn_wb_en; + u32 mn_crystal_freq; /* in MHz */ + u32 mn_speed; /* in MHz */ + u32 mn_org; + u32 mn_depth; + u32 mn_ranks_0; /* ranks per slot */ + u32 mn_ranks_1; /* ranks per slot */ + u32 mn_rd_latency_0; + u32 mn_rd_latency_1; + u32 mn_rd_latency_2; + u32 mn_rd_latency_3; + u32 mn_rd_latency_4; + u32 mn_rd_latency_5; + u32 mn_rd_latency_6; + u32 mn_rd_latency_7; + u32 mn_rd_latency_8; + u32 mn_dll_val[18]; + u32 mn_mode_reg; /* MIU DDR Mode Register */ + u32 mn_ext_mode_reg; /* MIU DDR Extended Mode Register */ + u32 mn_timing_0; /* MIU Memory Control Timing Rgister */ + u32 mn_timing_1; /* MIU Extended Memory Ctrl Timing Register */ + u32 mn_timing_2; /* MIU Extended Memory Ctrl Timing2 Register */ + + /* SN-related config */ + u32 sn_sync_mode; /* enable/ sync shift cclk / sync shift mclk */ + u32 sn_pt_mode; /* pass through mode */ + u32 sn_ecc_en; + u32 sn_wb_en; + u32 sn_crystal_freq; + u32 sn_speed; + u32 sn_org; + u32 sn_depth; + u32 sn_dll_tap; + u32 sn_rd_latency; + + u32 mac_addr_hi_0; + u32 mac_addr_hi_1; + u32 mac_addr_hi_2; + u32 mac_addr_hi_3; + + u32 magic; /* indicates flash has been initialized */ + + u32 mn_rdimm; + u32 mn_dll_override; + +}; + +#define FLASH_NUM_PORTS (4) + +struct netxen_flash_mac_addr { + u32 flash_addr[32]; +}; + +struct netxen_user_old_info { + u8 flash_md5[16]; + u8 crbinit_md5[16]; + u8 brdcfg_md5[16]; + /* bootloader */ + u32 bootld_version; + u32 bootld_size; + u8 bootld_md5[16]; + /* image */ + u32 image_version; + u32 image_size; + u8 image_md5[16]; + /* primary image status */ + u32 primary_status; + u32 secondary_present; + + /* MAC address , 4 ports */ + struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS]; +}; +#define FLASH_NUM_MAC_PER_PORT 32 +struct netxen_user_info { + u8 flash_md5[16 * 64]; + /* bootloader */ + u32 bootld_version; + u32 bootld_size; + /* image */ + u32 image_version; + u32 image_size; + /* primary image status */ + u32 primary_status; + u32 secondary_present; + + /* MAC address , 4 ports, 32 address per port */ + u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT]; + u32 sub_sys_id; + u8 serial_num[32]; + + /* Any user defined data */ +}; + +/* + * Flash Layout - new format. + */ +struct netxen_new_user_info { + u8 flash_md5[16 * 64]; + /* bootloader */ + u32 bootld_version; + u32 bootld_size; + /* image */ + u32 image_version; + u32 image_size; + /* primary image status */ + u32 primary_status; + u32 secondary_present; + + /* MAC address , 4 ports, 32 address per port */ + u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT]; + u32 sub_sys_id; + u8 serial_num[32]; + + /* Any user defined data */ +}; + +#define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6 +#define SECONDARY_IMAGE_ABSENT 0xffffffff +#define PRIMARY_IMAGE_GOOD 0x5a5a5a5a +#define PRIMARY_IMAGE_BAD 0xffffffff + +/* Flash memory map */ +typedef enum { + CRBINIT_START = 0, /* Crbinit section */ + BRDCFG_START = 0x4000, /* board config */ + INITCODE_START = 0x6000, /* pegtune code */ + BOOTLD_START = 0x10000, /* bootld */ + IMAGE_START = 0x43000, /* compressed image */ + SECONDARY_START = 0x200000, /* backup images */ + PXE_START = 0x3E0000, /* user defined region */ + USER_START = 0x3E8000, /* User defined region for new boards */ + FIXED_START = 0x3F0000 /* backup of crbinit */ +} netxen_flash_map_t; + +#define USER_START_OLD PXE_START /* for backward compatibility */ + +#define FLASH_START (CRBINIT_START) +#define INIT_SECTOR (0) +#define PRIMARY_START (BOOTLD_START) +#define FLASH_CRBINIT_SIZE (0x4000) +#define FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info)) +#define FLASH_USER_SIZE (sizeof(netxen_user_info)/sizeof(u32)) +#define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START) +#define NUM_PRIMARY_SECTORS (0x20) +#define NUM_CONFIG_SECTORS (1) +#define PFX "netxen: " + +/* Note: Make sure to not call this before adapter->port is valid */ +#if !defined(NETXEN_DEBUG) +#define DPRINTK(klevel, fmt, args...) do { \ + } while (0) +#else +#define DPRINTK(klevel, fmt, args...) do { \ + printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\ + (adapter != NULL && adapter->port != NULL && \ + adapter->port[0] != NULL && \ + adapter->port[0]->netdev != NULL) ? \ + adapter->port[0]->netdev->name : NULL, \ + ## args); } while(0) +#endif + +/* Number of status descriptors to handle per interrupt */ +#define MAX_STATUS_HANDLE (128) + +/* + * netxen_skb_frag{} is to contain mapping info for each SG list. This + * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}. + */ +struct netxen_skb_frag { + u64 dma; + u32 length; +}; + +/* Following defines are for the state of the buffers */ +#define NETXEN_BUFFER_FREE 0 +#define NETXEN_BUFFER_BUSY 1 + +/* + * There will be one netxen_buffer per skb packet. These will be + * used to save the dma info for pci_unmap_page() + */ +struct netxen_cmd_buffer { + struct sk_buff *skb; + struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1]; + u32 total_length; + u32 mss; + u16 port; + u8 cmd; + u8 frag_count; + unsigned long time_stamp; + u32 state; + u32 no_of_descriptors; +}; + +/* In rx_buffer, we do not need multiple fragments as is a single buffer */ +struct netxen_rx_buffer { + struct sk_buff *skb; + u64 dma; + u16 ref_handle; + u16 state; +}; + +/* Board types */ +#define NETXEN_NIC_GBE 0x01 +#define NETXEN_NIC_XGBE 0x02 + +/* + * One hardware_context{} per adapter + * contains interrupt info as well shared hardware info. + */ +struct netxen_hardware_context { + struct pci_dev *pdev; + void __iomem *pci_base; /* base of mapped phantom memory */ + u8 revision_id; + u16 board_type; + u16 max_ports; + struct netxen_board_info boardcfg; + u32 xg_linkup; + /* Address of cmd ring in Phantom */ + struct cmd_desc_type0 *cmd_desc_head; + dma_addr_t cmd_desc_phys_addr; + struct netxen_adapter *adapter; +}; + +#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */ +#define ETHERNET_FCS_SIZE 4 + +struct netxen_adapter_stats { + u64 ints; + u64 hostints; + u64 otherints; + u64 process_rcv; + u64 process_xmit; + u64 noxmitdone; + u64 xmitcsummed; + u64 post_called; + u64 posted; + u64 lastposted; + u64 goodskbposts; +}; + +/* + * Rcv Descriptor Context. One such per Rcv Descriptor. There may + * be one Rcv Descriptor for normal packets, one for jumbo and may be others. + */ +struct netxen_rcv_desc_ctx { + u32 flags; + u32 producer; + u32 rcv_pending; /* Num of bufs posted in phantom */ + u32 rcv_free; /* Num of bufs in free list */ + dma_addr_t phys_addr; + struct rcv_desc *desc_head; /* address of rx ring in Phantom */ + u32 max_rx_desc_count; + u32 dma_size; + u32 skb_size; + struct netxen_rx_buffer *rx_buf_arr; /* rx buffers for receive */ + int begin_alloc; +}; + +/* + * Receive context. There is one such structure per instance of the + * receive processing. Any state information that is relevant to + * the receive, and is must be in this structure. The global data may be + * present elsewhere. + */ +struct netxen_recv_context { + struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS]; + u32 status_rx_producer; + u32 status_rx_consumer; + dma_addr_t rcv_status_desc_phys_addr; + struct status_desc *rcv_status_desc_head; +}; + +#define NETXEN_NIC_MSI_ENABLED 0x02 + +struct netxen_drvops; + +struct netxen_adapter { + struct netxen_hardware_context ahw; + int port_count; /* Number of configured ports */ + int active_ports; /* Number of open ports */ + struct netxen_port *port[NETXEN_MAX_PORTS]; /* ptr to each port */ + spinlock_t tx_lock; + spinlock_t lock; + struct work_struct watchdog_task; + struct work_struct tx_timeout_task; + struct timer_list watchdog_timer; + + u32 curr_window; + + u32 cmd_producer; + u32 cmd_consumer; + + u32 last_cmd_consumer; + u32 max_tx_desc_count; + u32 max_rx_desc_count; + u32 max_jumbo_rx_desc_count; + /* Num of instances active on cmd buffer ring */ + u32 proc_cmd_buf_counter; + + u32 num_threads, total_threads; /*Use to keep track of xmit threads */ + + u32 flags; + u32 irq; + int driver_mismatch; + + struct netxen_adapter_stats stats; + + struct netxen_cmd_buffer *cmd_buf_arr; /* Command buffers for xmit */ + + /* + * Receive instances. These can be either one per port, + * or one per peg, etc. + */ + struct netxen_recv_context recv_ctx[MAX_RCV_CTX]; + + int is_up; + int work_done; + struct netxen_drvops *ops; +}; /* netxen_adapter structure */ + +/* Max number of xmit producer threads that can run simultaneously */ +#define MAX_XMIT_PRODUCERS 16 + +struct netxen_port_stats { + u64 rcvdbadskb; + u64 xmitcalled; + u64 xmitedframes; + u64 xmitfinished; + u64 badskblen; + u64 nocmddescriptor; + u64 polled; + u64 uphappy; + u64 updropped; + u64 uplcong; + u64 uphcong; + u64 upmcong; + u64 updunno; + u64 skbfreed; + u64 txdropped; + u64 txnullskb; + u64 csummed; + u64 no_rcv; + u64 rxbytes; + u64 txbytes; +}; + +struct netxen_port { + struct netxen_adapter *adapter; + + u16 portnum; /* GBE port number */ + u16 link_speed; + u16 link_duplex; + u16 link_autoneg; + + int flags; + + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; + struct netxen_port_stats stats; +}; + +struct netxen_drvops { + int (*enable_phy_interrupts) (struct netxen_adapter *, int); + int (*disable_phy_interrupts) (struct netxen_adapter *, int); + void (*handle_phy_intr) (struct netxen_adapter *); + int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t); + int (*set_mtu) (struct netxen_port *, int); + int (*set_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*unset_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *); + int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val); + int (*init_port) (struct netxen_adapter *, int); + void (*init_niu) (struct netxen_adapter *); + int (*stop_port) (struct netxen_adapter *, int); +}; + +extern char netxen_nic_driver_name[]; + +int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port); +void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter); +void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter); +void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port, + long enable); +void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port, + long enable); +int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, long reg, + __le32 * readval); +int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy, + long reg, __le32 val); + +/* Functions available from netxen_nic_hw.c */ +int netxen_niu_xginit(struct netxen_adapter *); +int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu); +int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu); +void netxen_nic_init_niu_gb(struct netxen_adapter *adapter); +void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw); +void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val); +int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off); +void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value); +void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value); + +int netxen_nic_get_board_info(struct netxen_adapter *adapter); +int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, + int len); +int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, + int len); +void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, + unsigned long off, int data); + +/* Functions from netxen_nic_init.c */ +void netxen_phantom_init(struct netxen_adapter *adapter); +void netxen_load_firmware(struct netxen_adapter *adapter); +int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); +int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); + +/* Functions from netxen_nic_isr.c */ +void netxen_nic_isr_other(struct netxen_adapter *adapter); +void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 port, + u32 link); +void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port, + u32 enable); +void netxen_nic_stop_all_ports(struct netxen_adapter *adapter); +void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); +void netxen_initialize_adapter_hw(struct netxen_adapter *adapter); +void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); +int netxen_init_firmware(struct netxen_adapter *adapter); +void netxen_free_hw_resources(struct netxen_adapter *adapter); +void netxen_tso_check(struct netxen_adapter *adapter, + struct cmd_desc_type0 *desc, struct sk_buff *skb); +int netxen_nic_hw_resources(struct netxen_adapter *adapter); +void netxen_nic_clear_stats(struct netxen_adapter *adapter); +int +netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, + struct netxen_port *port); +int netxen_nic_rx_has_work(struct netxen_adapter *adapter); +int netxen_nic_tx_has_work(struct netxen_adapter *adapter); +void netxen_watchdog_task(unsigned long v); +void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, + u32 ringid); +void netxen_process_cmd_ring(unsigned long data); +u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); +void netxen_nic_set_multi(struct net_device *netdev); +int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu); +int netxen_nic_set_mac(struct net_device *netdev, void *p); +struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev); + +static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) +{ + /* + * ISR_INT_MASK: Can be read from window 0 or 1. + */ + writel(0x7ff, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK)); +} + +static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) +{ + u32 mask; + + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + mask = 0x77b; + break; + case NETXEN_NIC_XGBE: + mask = 0x77f; + break; + default: + mask = 0x7ff; + break; + } + + writel(mask, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK)); + + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + mask = 0xbff; + writel(mask, (void __iomem *) + (adapter->ahw.pci_base + ISR_INT_TARGET_MASK)); + } +} + +int netxen_is_flash_supported(struct netxen_adapter *adapter); +int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]); + +extern void netxen_change_ringparam(struct netxen_adapter *adapter); +extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, + int *valp); + +extern struct ethtool_ops netxen_nic_ethtool_ops; + +#endif /* __NETXEN_NIC_H_ */ diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c new file mode 100644 index 00000000000..caf6cc15b24 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -0,0 +1,715 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * ethtool support for netxen nic + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "netxen_nic_hw.h" +#include "netxen_nic.h" +#include "netxen_nic_phan_reg.h" +#include "netxen_nic_ioctl.h" + +struct netxen_nic_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \ + offsetof(struct netxen_port, m) + +static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = { + {"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)}, + {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)}, + {"xmited_frames", NETXEN_NIC_STAT(stats.xmitedframes)}, + {"xmit_finished", NETXEN_NIC_STAT(stats.xmitfinished)}, + {"bad_skb_len", NETXEN_NIC_STAT(stats.badskblen)}, + {"no_cmd_desc", NETXEN_NIC_STAT(stats.nocmddescriptor)}, + {"polled", NETXEN_NIC_STAT(stats.polled)}, + {"uphappy", NETXEN_NIC_STAT(stats.uphappy)}, + {"updropped", NETXEN_NIC_STAT(stats.updropped)}, + {"uplcong", NETXEN_NIC_STAT(stats.uplcong)}, + {"uphcong", NETXEN_NIC_STAT(stats.uphcong)}, + {"upmcong", NETXEN_NIC_STAT(stats.upmcong)}, + {"updunno", NETXEN_NIC_STAT(stats.updunno)}, + {"skb_freed", NETXEN_NIC_STAT(stats.skbfreed)}, + {"tx_dropped", NETXEN_NIC_STAT(stats.txdropped)}, + {"tx_null_skb", NETXEN_NIC_STAT(stats.txnullskb)}, + {"csummed", NETXEN_NIC_STAT(stats.csummed)}, + {"no_rcv", NETXEN_NIC_STAT(stats.no_rcv)}, + {"rx_bytes", NETXEN_NIC_STAT(stats.rxbytes)}, + {"tx_bytes", NETXEN_NIC_STAT(stats.txbytes)}, +}; + +#define NETXEN_NIC_STATS_LEN \ + sizeof(netxen_nic_gstrings_stats) / sizeof(struct netxen_nic_stats) + +static const char netxen_nic_gstrings_test[][ETH_GSTRING_LEN] = { + "Register_Test_offline", "EEPROM_Test_offline", + "Interrupt_Test_offline", "Loopback_Test_offline", + "Link_Test_on_offline" +}; + +#define NETXEN_NIC_TEST_LEN sizeof(netxen_nic_gstrings_test) / ETH_GSTRING_LEN + +#define NETXEN_NIC_REGS_COUNT 42 +#define NETXEN_NIC_REGS_LEN (NETXEN_NIC_REGS_COUNT * sizeof(__le32)) +#define NETXEN_MAX_EEPROM_LEN 1024 + +static int netxen_nic_get_eeprom_len(struct net_device *dev) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + int n; + + if ((netxen_rom_fast_read(adapter, 0, &n) == 0) + && (n & NETXEN_ROM_ROUNDUP)) { + n &= ~NETXEN_ROM_ROUNDUP; + if (n < NETXEN_MAX_EEPROM_LEN) + return n; + } + return 0; +} + +static void +netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + uint32_t fw_major = 0; + uint32_t fw_minor = 0; + uint32_t fw_build = 0; + + strncpy(drvinfo->driver, "netxen_nic", 32); + strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32); + fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MAJOR)); + fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MINOR)); + fw_build = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB)); + sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build); + + strncpy(drvinfo->bus_info, pci_name(port->pdev), 32); + drvinfo->n_stats = NETXEN_NIC_STATS_LEN; + drvinfo->testinfo_len = NETXEN_NIC_TEST_LEN; + drvinfo->regdump_len = NETXEN_NIC_REGS_LEN; + drvinfo->eedump_len = netxen_nic_get_eeprom_len(dev); +} + +static int +netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + + /* read which mode */ + if (adapter->ahw.board_type == NETXEN_NIC_GBE) { + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Half | + SUPPORTED_1000baseT_Full | + SUPPORTED_TP | + SUPPORTED_MII | SUPPORTED_Autoneg); + + ecmd->advertising = (ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full | + ADVERTISED_1000baseT_Half | + ADVERTISED_1000baseT_Full | + ADVERTISED_TP | + ADVERTISED_MII | ADVERTISED_Autoneg); + + ecmd->port = PORT_TP; + + if (netif_running(dev)) { + ecmd->speed = port->link_speed; + ecmd->duplex = port->link_duplex; + } else + return -EIO; /* link absent */ + + ecmd->phy_address = port->portnum; + ecmd->transceiver = XCVR_EXTERNAL; + + /* get autoneg settings */ + ecmd->autoneg = port->link_autoneg; + return 0; + } + + if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + ecmd->supported = (SUPPORTED_TP | + SUPPORTED_1000baseT_Full | + SUPPORTED_10000baseT_Full); + ecmd->advertising = (ADVERTISED_TP | + ADVERTISED_1000baseT_Full | + ADVERTISED_10000baseT_Full); + ecmd->port = PORT_TP; + + ecmd->speed = SPEED_10000; + ecmd->duplex = DUPLEX_FULL; + ecmd->phy_address = port->portnum; + ecmd->transceiver = XCVR_EXTERNAL; + ecmd->autoneg = AUTONEG_DISABLE; + return 0; + } + + return -EIO; +} + +static int +netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + __le32 status; + + /* read which mode */ + if (adapter->ahw.board_type == NETXEN_NIC_GBE) { + /* autonegotiation */ + if (adapter->ops->phy_write + && adapter->ops->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, + (__le32) ecmd->autoneg) != 0) + return -EIO; + else + port->link_autoneg = ecmd->autoneg; + + if (adapter->ops->phy_read + && adapter->ops->phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) != 0) + return -EIO; + + /* speed */ + switch (ecmd->speed) { + case SPEED_10: + netxen_set_phy_speed(status, 0); + break; + case SPEED_100: + netxen_set_phy_speed(status, 1); + break; + case SPEED_1000: + netxen_set_phy_speed(status, 2); + break; + } + /* set duplex mode */ + if (ecmd->duplex == DUPLEX_HALF) + netxen_clear_phy_duplex(status); + if (ecmd->duplex == DUPLEX_FULL) + netxen_set_phy_duplex(status); + if (adapter->ops->phy_write + && adapter->ops->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + *((int *)&status)) != 0) + return -EIO; + else { + port->link_speed = ecmd->speed; + port->link_duplex = ecmd->duplex; + } + } else + return -EOPNOTSUPP; + + if (netif_running(dev)) { + dev->stop(dev); + dev->open(dev); + } + return 0; +} + +static int netxen_nic_get_regs_len(struct net_device *dev) +{ + return NETXEN_NIC_REGS_LEN; +} + +struct netxen_niu_regs { + __le32 reg[NETXEN_NIC_REGS_COUNT]; +}; + +static struct netxen_niu_regs niu_registers[] = { + { + /* GB Mode */ + { + NETXEN_NIU_GB_SERDES_RESET, + NETXEN_NIU_GB0_MII_MODE, + NETXEN_NIU_GB1_MII_MODE, + NETXEN_NIU_GB2_MII_MODE, + NETXEN_NIU_GB3_MII_MODE, + NETXEN_NIU_GB0_GMII_MODE, + NETXEN_NIU_GB1_GMII_MODE, + NETXEN_NIU_GB2_GMII_MODE, + NETXEN_NIU_GB3_GMII_MODE, + NETXEN_NIU_REMOTE_LOOPBACK, + NETXEN_NIU_GB0_HALF_DUPLEX, + NETXEN_NIU_GB1_HALF_DUPLEX, + NETXEN_NIU_RESET_SYS_FIFOS, + NETXEN_NIU_GB_CRC_DROP, + NETXEN_NIU_GB_DROP_WRONGADDR, + NETXEN_NIU_TEST_MUX_CTL, + + NETXEN_NIU_GB_MAC_CONFIG_0(0), + NETXEN_NIU_GB_MAC_CONFIG_1(0), + NETXEN_NIU_GB_HALF_DUPLEX_CTRL(0), + NETXEN_NIU_GB_MAX_FRAME_SIZE(0), + NETXEN_NIU_GB_TEST_REG(0), + NETXEN_NIU_GB_MII_MGMT_CONFIG(0), + NETXEN_NIU_GB_MII_MGMT_COMMAND(0), + NETXEN_NIU_GB_MII_MGMT_ADDR(0), + NETXEN_NIU_GB_MII_MGMT_CTRL(0), + NETXEN_NIU_GB_MII_MGMT_STATUS(0), + NETXEN_NIU_GB_MII_MGMT_INDICATE(0), + NETXEN_NIU_GB_INTERFACE_CTRL(0), + NETXEN_NIU_GB_INTERFACE_STATUS(0), + NETXEN_NIU_GB_STATION_ADDR_0(0), + NETXEN_NIU_GB_STATION_ADDR_1(0), + -1, + } + }, + { + /* XG Mode */ + { + NETXEN_NIU_XG_SINGLE_TERM, + NETXEN_NIU_XG_DRIVE_HI, + NETXEN_NIU_XG_DRIVE_LO, + NETXEN_NIU_XG_DTX, + NETXEN_NIU_XG_DEQ, + NETXEN_NIU_XG_WORD_ALIGN, + NETXEN_NIU_XG_RESET, + NETXEN_NIU_XG_POWER_DOWN, + NETXEN_NIU_XG_RESET_PLL, + NETXEN_NIU_XG_SERDES_LOOPBACK, + NETXEN_NIU_XG_DO_BYTE_ALIGN, + NETXEN_NIU_XG_TX_ENABLE, + NETXEN_NIU_XG_RX_ENABLE, + NETXEN_NIU_XG_STATUS, + NETXEN_NIU_XG_PAUSE_THRESHOLD, + NETXEN_NIU_XGE_CONFIG_0, + NETXEN_NIU_XGE_CONFIG_1, + NETXEN_NIU_XGE_IPG, + NETXEN_NIU_XGE_STATION_ADDR_0_HI, + NETXEN_NIU_XGE_STATION_ADDR_0_1, + NETXEN_NIU_XGE_STATION_ADDR_1_LO, + NETXEN_NIU_XGE_STATUS, + NETXEN_NIU_XGE_MAX_FRAME_SIZE, + NETXEN_NIU_XGE_PAUSE_FRAME_VALUE, + NETXEN_NIU_XGE_TX_BYTE_CNT, + NETXEN_NIU_XGE_TX_FRAME_CNT, + NETXEN_NIU_XGE_RX_BYTE_CNT, + NETXEN_NIU_XGE_RX_FRAME_CNT, + NETXEN_NIU_XGE_AGGR_ERROR_CNT, + NETXEN_NIU_XGE_MULTICAST_FRAME_CNT, + NETXEN_NIU_XGE_UNICAST_FRAME_CNT, + NETXEN_NIU_XGE_CRC_ERROR_CNT, + NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR, + NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR, + NETXEN_NIU_XGE_LOCAL_ERROR_CNT, + NETXEN_NIU_XGE_REMOTE_ERROR_CNT, + NETXEN_NIU_XGE_CONTROL_CHAR_CNT, + NETXEN_NIU_XGE_PAUSE_FRAME_CNT, + -1, + } + } +}; + +static void +netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + __le32 mode, *regs_buff = p; + void __iomem *addr; + int i, window; + + memset(p, 0, NETXEN_NIC_REGS_LEN); + regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) | + (port->pdev)->device; + /* which mode */ + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, ®s_buff[0]); + mode = regs_buff[0]; + + /* Common registers to all the modes */ + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER, + ®s_buff[2]); + /* GB/XGB Mode */ + mode = (mode / 2) - 1; + window = 0; + if (mode <= 1) { + for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) { + /* GB: port specific registers */ + if (mode == 0 && i >= 19) + window = port->portnum * 0x10000; + + NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode]. + reg[i - 3] + window, + ®s_buff[i]); + } + + } +} + +static void +netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC; + wol->wolopts = 0; /* options can be added depending upon the mode */ +} + +static u32 netxen_nic_get_link(struct net_device *dev) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + __le32 status; + + /* read which mode */ + if (adapter->ahw.board_type == NETXEN_NIC_GBE) { + if (adapter->ops->phy_read + && adapter->ops->phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) != 0) + return -EIO; + else + return (netxen_get_phy_link(status)); + } else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + int val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); + return val == XG_LINK_UP; + } + return -EIO; +} + +static int +netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, + u8 * bytes) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + int offset; + + if (eeprom->len == 0) + return -EINVAL; + + eeprom->magic = (port->pdev)->vendor | ((port->pdev)->device << 16); + for (offset = 0; offset < eeprom->len; offset++) + if (netxen_rom_fast_read + (adapter, (8 * offset) + 8, (int *)eeprom->data) == -1) + return -EIO; + return 0; +} + +static void +netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + int i, j; + + ring->rx_pending = 0; + for (i = 0; i < MAX_RCV_CTX; ++i) { + for (j = 0; j < NUM_RCV_DESC_RINGS; j++) + ring->rx_pending += + adapter->recv_ctx[i].rcv_desc[j].rcv_pending; + } + + ring->rx_max_pending = adapter->max_rx_desc_count; + ring->tx_max_pending = adapter->max_tx_desc_count; + ring->rx_mini_max_pending = 0; + ring->rx_mini_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->rx_jumbo_pending = 0; +} + +static void +netxen_nic_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + __le32 val; + + if (adapter->ahw.board_type == NETXEN_NIC_GBE) { + /* get flow control settings */ + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum), + (u32 *) & val); + pause->rx_pause = netxen_gb_get_rx_flowctl(val); + pause->tx_pause = netxen_gb_get_tx_flowctl(val); + /* get autoneg settings */ + pause->autoneg = port->link_autoneg; + } +} + +static int +netxen_nic_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + __le32 val; + unsigned int autoneg; + + /* read mode */ + if (adapter->ahw.board_type == NETXEN_NIC_GBE) { + /* set flow control */ + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum), + (u32 *) & val); + if (pause->tx_pause) + netxen_gb_tx_flowctl(val); + else + netxen_gb_unset_tx_flowctl(val); + if (pause->rx_pause) + netxen_gb_rx_flowctl(val); + else + netxen_gb_unset_rx_flowctl(val); + + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(port->portnum), + *(u32 *) (&val)); + /* set autoneg */ + autoneg = pause->autoneg; + if (adapter->ops->phy_write + && adapter->ops->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, + (__le32) autoneg) != 0) + return -EIO; + else { + port->link_autoneg = pause->autoneg; + return 0; + } + } else + return -EOPNOTSUPP; +} + +static int netxen_nic_reg_test(struct net_device *dev) +{ + struct netxen_port *port = netdev_priv(dev); + struct netxen_adapter *adapter = port->adapter; + u32 data_read, data_written, save; + __le32 mode; + + /* + * first test the "Read Only" registers by writing which mode + */ + netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); + if (netxen_get_niu_enable_ge(mode)) { /* GB Mode */ + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum), + &data_read); + + save = data_read; + if (data_read) + data_written = data_read & 0xDEADBEEF; + else + data_written = 0xDEADBEEF; + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_STATUS(port-> + portnum), + data_written); + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_STATUS(port->portnum), + &data_read); + + if (data_written == data_read) { + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_STATUS(port-> + portnum), + save); + + return 0; + } + + /* netxen_niu_gb_mii_mgmt_indicators is read only */ + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE(port-> + portnum), + &data_read); + + save = data_read; + if (data_read) + data_written = data_read & 0xDEADBEEF; + else + data_written = 0xDEADBEEF; + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE(port-> + portnum), + data_written); + + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE(port-> + portnum), + &data_read); + + if (data_written == data_read) { + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE + (port->portnum), save); + return 0; + } + + /* netxen_niu_gb_interface_status is read only */ + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_INTERFACE_STATUS(port-> + portnum), + &data_read); + + save = data_read; + if (data_read) + data_written = data_read & 0xDEADBEEF; + else + data_written = 0xDEADBEEF; + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_INTERFACE_STATUS(port-> + portnum), + data_written); + + netxen_nic_read_w0(adapter, + NETXEN_NIU_GB_INTERFACE_STATUS(port-> + portnum), + &data_read); + + if (data_written == data_read) { + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_INTERFACE_STATUS + (port->portnum), save); + + return 0; + } + } /* GB Mode */ + return 1; +} + +static int netxen_nic_diag_test_count(struct net_device *dev) +{ + return NETXEN_NIC_TEST_LEN; +} + +static void +netxen_nic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, + u64 * data) +{ + if (eth_test->flags == ETH_TEST_FL_OFFLINE) { /* offline tests */ + /* link test */ + if (!(data[4] = (u64) netxen_nic_get_link(dev))) + eth_test->flags |= ETH_TEST_FL_FAILED; + + if (netif_running(dev)) + dev->stop(dev); + + /* register tests */ + if (!(data[0] = netxen_nic_reg_test(dev))) + eth_test->flags |= ETH_TEST_FL_FAILED; + /* other tests pass as of now */ + data[1] = data[2] = data[3] = 1; + if (netif_running(dev)) + dev->open(dev); + } else { /* online tests */ + /* link test */ + if (!(data[4] = (u64) netxen_nic_get_link(dev))) + eth_test->flags |= ETH_TEST_FL_FAILED; + + /* other tests pass by default */ + data[0] = data[1] = data[2] = data[3] = 1; + } +} + +static void +netxen_nic_get_strings(struct net_device *dev, u32 stringset, u8 * data) +{ + int index; + + switch (stringset) { + case ETH_SS_TEST: + memcpy(data, *netxen_nic_gstrings_test, + NETXEN_NIC_TEST_LEN * ETH_GSTRING_LEN); + break; + case ETH_SS_STATS: + for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) { + memcpy(data + index * ETH_GSTRING_LEN, + netxen_nic_gstrings_stats[index].stat_string, + ETH_GSTRING_LEN); + } + break; + } +} + +static int netxen_nic_get_stats_count(struct net_device *dev) +{ + return NETXEN_NIC_STATS_LEN; +} + +static void +netxen_nic_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 * data) +{ + struct netxen_port *port = netdev_priv(dev); + int index; + + for (index = 0; index < NETXEN_NIC_STATS_LEN; index++) { + char *p = + (char *)port + netxen_nic_gstrings_stats[index].stat_offset; + data[index] = + (netxen_nic_gstrings_stats[index].sizeof_stat == + sizeof(u64)) ? *(u64 *) p : *(u32 *) p; + } + +} + +struct ethtool_ops netxen_nic_ethtool_ops = { + .get_settings = netxen_nic_get_settings, + .set_settings = netxen_nic_set_settings, + .get_drvinfo = netxen_nic_get_drvinfo, + .get_regs_len = netxen_nic_get_regs_len, + .get_regs = netxen_nic_get_regs, + .get_wol = netxen_nic_get_wol, + .get_link = netxen_nic_get_link, + .get_eeprom_len = netxen_nic_get_eeprom_len, + .get_eeprom = netxen_nic_get_eeprom, + .get_ringparam = netxen_nic_get_ringparam, + .get_pauseparam = netxen_nic_get_pauseparam, + .set_pauseparam = netxen_nic_set_pauseparam, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tso = ethtool_op_get_tso, + .set_tso = ethtool_op_set_tso, + .self_test_count = netxen_nic_diag_test_count, + .self_test = netxen_nic_diag_test, + .get_strings = netxen_nic_get_strings, + .get_stats_count = netxen_nic_get_stats_count, + .get_ethtool_stats = netxen_nic_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, +}; diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h new file mode 100644 index 00000000000..965cf625ba4 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -0,0 +1,618 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + */ + +#ifndef __NETXEN_NIC_HDR_H_ +#define __NETXEN_NIC_HDR_H_ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include /* for memset */ + +/* + * The basic unit of access when reading/writing control registers. + */ + +typedef __le32 netxen_crbword_t; /* single word in CRB space */ + +enum { + NETXEN_HW_H0_CH_HUB_ADR = 0x05, + NETXEN_HW_H1_CH_HUB_ADR = 0x0E, + NETXEN_HW_H2_CH_HUB_ADR = 0x03, + NETXEN_HW_H3_CH_HUB_ADR = 0x01, + NETXEN_HW_H4_CH_HUB_ADR = 0x06, + NETXEN_HW_H5_CH_HUB_ADR = 0x07, + NETXEN_HW_H6_CH_HUB_ADR = 0x08 +}; + +/* Hub 0 */ +enum { + NETXEN_HW_MN_CRB_AGT_ADR = 0x15, + NETXEN_HW_MS_CRB_AGT_ADR = 0x25 +}; + +/* Hub 1 */ +enum { + NETXEN_HW_PS_CRB_AGT_ADR = 0x73, + NETXEN_HW_SS_CRB_AGT_ADR = 0x20, + NETXEN_HW_RPMX3_CRB_AGT_ADR = 0x0b, + NETXEN_HW_QMS_CRB_AGT_ADR = 0x00, + NETXEN_HW_SQGS0_CRB_AGT_ADR = 0x01, + NETXEN_HW_SQGS1_CRB_AGT_ADR = 0x02, + NETXEN_HW_SQGS2_CRB_AGT_ADR = 0x03, + NETXEN_HW_SQGS3_CRB_AGT_ADR = 0x04, + NETXEN_HW_C2C0_CRB_AGT_ADR = 0x58, + NETXEN_HW_C2C1_CRB_AGT_ADR = 0x59, + NETXEN_HW_C2C2_CRB_AGT_ADR = 0x5a, + NETXEN_HW_RPMX2_CRB_AGT_ADR = 0x0a, + NETXEN_HW_RPMX4_CRB_AGT_ADR = 0x0c, + NETXEN_HW_RPMX7_CRB_AGT_ADR = 0x0f, + NETXEN_HW_RPMX9_CRB_AGT_ADR = 0x12, + NETXEN_HW_SMB_CRB_AGT_ADR = 0x18 +}; + +/* Hub 2 */ +enum { + NETXEN_HW_NIU_CRB_AGT_ADR = 0x31, + NETXEN_HW_I2C0_CRB_AGT_ADR = 0x19, + NETXEN_HW_I2C1_CRB_AGT_ADR = 0x29, + + NETXEN_HW_SN_CRB_AGT_ADR = 0x10, + NETXEN_HW_I2Q_CRB_AGT_ADR = 0x20, + NETXEN_HW_LPC_CRB_AGT_ADR = 0x22, + NETXEN_HW_ROMUSB_CRB_AGT_ADR = 0x21, + NETXEN_HW_QM_CRB_AGT_ADR = 0x66, + NETXEN_HW_SQG0_CRB_AGT_ADR = 0x60, + NETXEN_HW_SQG1_CRB_AGT_ADR = 0x61, + NETXEN_HW_SQG2_CRB_AGT_ADR = 0x62, + NETXEN_HW_SQG3_CRB_AGT_ADR = 0x63, + NETXEN_HW_RPMX1_CRB_AGT_ADR = 0x09, + NETXEN_HW_RPMX5_CRB_AGT_ADR = 0x0d, + NETXEN_HW_RPMX6_CRB_AGT_ADR = 0x0e, + NETXEN_HW_RPMX8_CRB_AGT_ADR = 0x11 +}; + +/* Hub 3 */ +enum { + NETXEN_HW_PH_CRB_AGT_ADR = 0x1A, + NETXEN_HW_SRE_CRB_AGT_ADR = 0x50, + NETXEN_HW_EG_CRB_AGT_ADR = 0x51, + NETXEN_HW_RPMX0_CRB_AGT_ADR = 0x08 +}; + +/* Hub 4 */ +enum { + NETXEN_HW_PEGN0_CRB_AGT_ADR = 0x40, + NETXEN_HW_PEGN1_CRB_AGT_ADR, + NETXEN_HW_PEGN2_CRB_AGT_ADR, + NETXEN_HW_PEGN3_CRB_AGT_ADR, + NETXEN_HW_PEGNI_CRB_AGT_ADR, + NETXEN_HW_PEGND_CRB_AGT_ADR, + NETXEN_HW_PEGNC_CRB_AGT_ADR, + NETXEN_HW_PEGR0_CRB_AGT_ADR, + NETXEN_HW_PEGR1_CRB_AGT_ADR, + NETXEN_HW_PEGR2_CRB_AGT_ADR, + NETXEN_HW_PEGR3_CRB_AGT_ADR +}; + +/* Hub 5 */ +enum { + NETXEN_HW_PEGS0_CRB_AGT_ADR = 0x40, + NETXEN_HW_PEGS1_CRB_AGT_ADR, + NETXEN_HW_PEGS2_CRB_AGT_ADR, + NETXEN_HW_PEGS3_CRB_AGT_ADR, + NETXEN_HW_PEGSI_CRB_AGT_ADR, + NETXEN_HW_PEGSD_CRB_AGT_ADR, + NETXEN_HW_PEGSC_CRB_AGT_ADR +}; + +/* Hub 6 */ +enum { + NETXEN_HW_CAS0_CRB_AGT_ADR = 0x46, + NETXEN_HW_CAS1_CRB_AGT_ADR = 0x47, + NETXEN_HW_CAS2_CRB_AGT_ADR = 0x48, + NETXEN_HW_CAS3_CRB_AGT_ADR = 0x49, + NETXEN_HW_NCM_CRB_AGT_ADR = 0x16, + NETXEN_HW_TMR_CRB_AGT_ADR = 0x17, + NETXEN_HW_XDMA_CRB_AGT_ADR = 0x05, + NETXEN_HW_OCM0_CRB_AGT_ADR = 0x06, + NETXEN_HW_OCM1_CRB_AGT_ADR = 0x07 +}; + +/* Floaters - non existent modules */ +#define NETXEN_HW_EFC_RPMX0_CRB_AGT_ADR 0x67 + +/* This field defines PCI/X adr [25:20] of agents on the CRB */ +enum { + NETXEN_HW_PX_MAP_CRB_PH = 0, + NETXEN_HW_PX_MAP_CRB_PS, + NETXEN_HW_PX_MAP_CRB_MN, + NETXEN_HW_PX_MAP_CRB_MS, + NETXEN_HW_PX_MAP_CRB_PGR1, + NETXEN_HW_PX_MAP_CRB_SRE, + NETXEN_HW_PX_MAP_CRB_NIU, + NETXEN_HW_PX_MAP_CRB_QMN, + NETXEN_HW_PX_MAP_CRB_SQN0, + NETXEN_HW_PX_MAP_CRB_SQN1, + NETXEN_HW_PX_MAP_CRB_SQN2, + NETXEN_HW_PX_MAP_CRB_SQN3, + NETXEN_HW_PX_MAP_CRB_QMS, + NETXEN_HW_PX_MAP_CRB_SQS0, + NETXEN_HW_PX_MAP_CRB_SQS1, + NETXEN_HW_PX_MAP_CRB_SQS2, + NETXEN_HW_PX_MAP_CRB_SQS3, + NETXEN_HW_PX_MAP_CRB_PGN0, + NETXEN_HW_PX_MAP_CRB_PGN1, + NETXEN_HW_PX_MAP_CRB_PGN2, + NETXEN_HW_PX_MAP_CRB_PGN3, + NETXEN_HW_PX_MAP_CRB_PGND, + NETXEN_HW_PX_MAP_CRB_PGNI, + NETXEN_HW_PX_MAP_CRB_PGS0, + NETXEN_HW_PX_MAP_CRB_PGS1, + NETXEN_HW_PX_MAP_CRB_PGS2, + NETXEN_HW_PX_MAP_CRB_PGS3, + NETXEN_HW_PX_MAP_CRB_PGSD, + NETXEN_HW_PX_MAP_CRB_PGSI, + NETXEN_HW_PX_MAP_CRB_SN, + NETXEN_HW_PX_MAP_CRB_PGR2, + NETXEN_HW_PX_MAP_CRB_EG, + NETXEN_HW_PX_MAP_CRB_PH2, + NETXEN_HW_PX_MAP_CRB_PS2, + NETXEN_HW_PX_MAP_CRB_CAM, + NETXEN_HW_PX_MAP_CRB_CAS0, + NETXEN_HW_PX_MAP_CRB_CAS1, + NETXEN_HW_PX_MAP_CRB_CAS2, + NETXEN_HW_PX_MAP_CRB_C2C0, + NETXEN_HW_PX_MAP_CRB_C2C1, + NETXEN_HW_PX_MAP_CRB_TIMR, + NETXEN_HW_PX_MAP_CRB_PGR3, + NETXEN_HW_PX_MAP_CRB_RPMX1, + NETXEN_HW_PX_MAP_CRB_RPMX2, + NETXEN_HW_PX_MAP_CRB_RPMX3, + NETXEN_HW_PX_MAP_CRB_RPMX4, + NETXEN_HW_PX_MAP_CRB_RPMX5, + NETXEN_HW_PX_MAP_CRB_RPMX6, + NETXEN_HW_PX_MAP_CRB_RPMX7, + NETXEN_HW_PX_MAP_CRB_XDMA, + NETXEN_HW_PX_MAP_CRB_I2Q, + NETXEN_HW_PX_MAP_CRB_ROMUSB, + NETXEN_HW_PX_MAP_CRB_CAS3, + NETXEN_HW_PX_MAP_CRB_RPMX0, + NETXEN_HW_PX_MAP_CRB_RPMX8, + NETXEN_HW_PX_MAP_CRB_RPMX9, + NETXEN_HW_PX_MAP_CRB_OCM0, + NETXEN_HW_PX_MAP_CRB_OCM1, + NETXEN_HW_PX_MAP_CRB_SMB, + NETXEN_HW_PX_MAP_CRB_I2C0, + NETXEN_HW_PX_MAP_CRB_I2C1, + NETXEN_HW_PX_MAP_CRB_LPC, + NETXEN_HW_PX_MAP_CRB_PGNC, + NETXEN_HW_PX_MAP_CRB_PGR0 +}; + +/* This field defines CRB adr [31:20] of the agents */ + +#define NETXEN_HW_CRB_HUB_AGT_ADR_MN \ + ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MN_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PH \ + ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_PH_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_MS \ + ((NETXEN_HW_H0_CH_HUB_ADR << 7) | NETXEN_HW_MS_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_PS \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_PS_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SS \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SS_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX3_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_QMS \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_QMS_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS0 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS1 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS2 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQS3 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SQGS3_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C0 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_C2C1 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_C2C1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX4_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX7_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9 \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_RPMX9_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SMB \ + ((NETXEN_HW_H1_CH_HUB_ADR << 7) | NETXEN_HW_SMB_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_NIU \ + ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_NIU_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C0 \ + ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_I2C1 \ + ((NETXEN_HW_H2_CH_HUB_ADR << 7) | NETXEN_HW_I2C1_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_SRE \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SRE_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_EG \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_EG_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_QMN \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_QM_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN0 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN1 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN2 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SQN3 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_SQG3_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX5_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX6_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_RPMX8_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS0 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS1 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS2 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_CAS3 \ + ((NETXEN_HW_H3_CH_HUB_ADR << 7) | NETXEN_HW_CAS3_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNI \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNI_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGND \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGND_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN0 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN1 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN2 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN3 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN3_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGNC \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNC_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR0 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR1 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR2 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGR3 \ + ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGR3_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSI \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSI_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSD \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSD_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS0 \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS1 \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS2 \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS2_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGS3 \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGS3_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_PGSC \ + ((NETXEN_HW_H5_CH_HUB_ADR << 7) | NETXEN_HW_PEGSC_CRB_AGT_ADR) + +#define NETXEN_HW_CRB_HUB_AGT_ADR_CAM \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_NCM_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_TIMR \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_TMR_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_XDMA \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_XDMA_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_SN \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_SN_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_I2Q \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_I2Q_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_ROMUSB_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM0 \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM0_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_OCM1 \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_OCM1_CRB_AGT_ADR) +#define NETXEN_HW_CRB_HUB_AGT_ADR_LPC \ + ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_LPC_CRB_AGT_ADR) + +/* + * MAX_RCV_CTX : The number of receive contexts that are available on + * the phantom. + */ +#define MAX_RCV_CTX 1 + +#define NETXEN_SRE_INT_STATUS (NETXEN_CRB_SRE + 0x00034) +#define NETXEN_SRE_PBI_ACTIVE_STATUS (NETXEN_CRB_SRE + 0x01014) +#define NETXEN_SRE_L1RE_CTL (NETXEN_CRB_SRE + 0x03000) +#define NETXEN_SRE_L2RE_CTL (NETXEN_CRB_SRE + 0x05000) +#define NETXEN_SRE_BUF_CTL (NETXEN_CRB_SRE + 0x01000) + +#define NETXEN_DMA_BASE(U) (NETXEN_CRB_PCIX_MD + 0x20000 + ((U)<<16)) +#define NETXEN_DMA_COMMAND(U) (NETXEN_DMA_BASE(U) + 0x00008) + +#define NETXEN_I2Q_CLR_PCI_HI (NETXEN_CRB_I2Q + 0x00034) + +#define PEG_NETWORK_BASE(N) (NETXEN_CRB_PEG_NET_0 + (((N)&3) << 20)) +#define CRB_REG_EX_PC 0x3c + +#define ROMUSB_GLB (NETXEN_CRB_ROMUSB + 0x00000) +#define ROMUSB_ROM (NETXEN_CRB_ROMUSB + 0x10000) + +#define NETXEN_ROMUSB_GLB_STATUS (ROMUSB_GLB + 0x0004) +#define NETXEN_ROMUSB_GLB_SW_RESET (ROMUSB_GLB + 0x0008) +#define NETXEN_ROMUSB_GLB_PAD_GPIO_I (ROMUSB_GLB + 0x000c) +#define NETXEN_ROMUSB_GLB_CAS_RST (ROMUSB_GLB + 0x0038) +#define NETXEN_ROMUSB_GLB_TEST_MUX_SEL (ROMUSB_GLB + 0x0044) +#define NETXEN_ROMUSB_GLB_PEGTUNE_DONE (ROMUSB_GLB + 0x005c) +#define NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL (ROMUSB_GLB + 0x00A8) + +#define NETXEN_ROMUSB_GPIO(n) (ROMUSB_GLB + 0x60 + (4 * (n))) + +#define NETXEN_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004) +#define NETXEN_ROMUSB_ROM_ADDRESS (ROMUSB_ROM + 0x0008) +#define NETXEN_ROMUSB_ROM_ABYTE_CNT (ROMUSB_ROM + 0x0010) +#define NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014) +#define NETXEN_ROMUSB_ROM_RDATA (ROMUSB_ROM + 0x0018) + +/* Lock IDs for ROM lock */ +#define ROM_LOCK_DRIVER 0x0d417340 + +#define NETXEN_PCI_CRB_WINDOWSIZE 0x00100000 /* all are 1MB windows */ +#define NETXEN_PCI_CRB_WINDOW(A) \ + (NETXEN_PCI_CRBSPACE + (A)*NETXEN_PCI_CRB_WINDOWSIZE) + +#define NETXEN_CRB_NIU NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_NIU) +#define NETXEN_CRB_SRE NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SRE) +#define NETXEN_CRB_ROMUSB \ + NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB) +#define NETXEN_CRB_I2Q NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q) +#define NETXEN_CRB_MAX NETXEN_PCI_CRB_WINDOW(64) + +#define NETXEN_CRB_PCIX_HOST NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH) +#define NETXEN_CRB_PCIX_HOST2 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH2) +#define NETXEN_CRB_PEG_NET_0 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN0) +#define NETXEN_CRB_PEG_NET_1 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN1) +#define NETXEN_CRB_PEG_NET_2 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN2) +#define NETXEN_CRB_PEG_NET_3 NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGN3) +#define NETXEN_CRB_PEG_NET_D NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGND) +#define NETXEN_CRB_PEG_NET_I NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGNI) +#define NETXEN_CRB_DDR_NET NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_MN) + +#define NETXEN_CRB_PCIX_MD NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PS) +#define NETXEN_CRB_PCIE NETXEN_CRB_PCIX_MD + +#define ISR_INT_VECTOR (NETXEN_PCIX_PS_REG(PCIX_INT_VECTOR)) +#define ISR_INT_MASK (NETXEN_PCIX_PS_REG(PCIX_INT_MASK)) +#define ISR_INT_MASK_SLOW (NETXEN_PCIX_PS_REG(PCIX_INT_MASK)) +#define ISR_INT_TARGET_STATUS (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS)) +#define ISR_INT_TARGET_MASK (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK)) + +#define NETXEN_PCI_MAPSIZE 128 +#define NETXEN_PCI_DDR_NET (0x00000000UL) +#define NETXEN_PCI_QDR_NET (0x04000000UL) +#define NETXEN_PCI_DIRECT_CRB (0x04400000UL) +#define NETXEN_PCI_CAMQM_MAX (0x04ffffffUL) +#define NETXEN_PCI_OCM0 (0x05000000UL) +#define NETXEN_PCI_OCM0_MAX (0x050fffffUL) +#define NETXEN_PCI_OCM1 (0x05100000UL) +#define NETXEN_PCI_OCM1_MAX (0x051fffffUL) +#define NETXEN_PCI_CRBSPACE (0x06000000UL) + +#define NETXEN_CRB_CAM NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM) + +#define NETXEN_ADDR_DDR_NET (0x0000000000000000ULL) +#define NETXEN_ADDR_DDR_NET_MAX (0x000000000fffffffULL) +#define NETXEN_ADDR_OCM0 (0x0000000200000000ULL) +#define NETXEN_ADDR_OCM0_MAX (0x00000002000fffffULL) +#define NETXEN_ADDR_OCM1 (0x0000000200400000ULL) +#define NETXEN_ADDR_OCM1_MAX (0x00000002004fffffULL) +#define NETXEN_ADDR_QDR_NET (0x0000000300000000ULL) +#define NETXEN_ADDR_QDR_NET_MAX (0x00000003003fffffULL) + + /* 200ms delay in each loop */ +#define NETXEN_NIU_PHY_WAITLEN 200000 + /* 10 seconds before we give up */ +#define NETXEN_NIU_PHY_WAITMAX 50 +#define NETXEN_NIU_MAX_GBE_PORTS 4 + +#define NETXEN_NIU_MODE (NETXEN_CRB_NIU + 0x00000) + +#define NETXEN_NIU_XG_SINGLE_TERM (NETXEN_CRB_NIU + 0x00004) +#define NETXEN_NIU_XG_DRIVE_HI (NETXEN_CRB_NIU + 0x00008) +#define NETXEN_NIU_XG_DRIVE_LO (NETXEN_CRB_NIU + 0x0000c) +#define NETXEN_NIU_XG_DTX (NETXEN_CRB_NIU + 0x00010) +#define NETXEN_NIU_XG_DEQ (NETXEN_CRB_NIU + 0x00014) +#define NETXEN_NIU_XG_WORD_ALIGN (NETXEN_CRB_NIU + 0x00018) +#define NETXEN_NIU_XG_RESET (NETXEN_CRB_NIU + 0x0001c) +#define NETXEN_NIU_XG_POWER_DOWN (NETXEN_CRB_NIU + 0x00020) +#define NETXEN_NIU_XG_RESET_PLL (NETXEN_CRB_NIU + 0x00024) +#define NETXEN_NIU_XG_SERDES_LOOPBACK (NETXEN_CRB_NIU + 0x00028) +#define NETXEN_NIU_XG_DO_BYTE_ALIGN (NETXEN_CRB_NIU + 0x0002c) +#define NETXEN_NIU_XG_TX_ENABLE (NETXEN_CRB_NIU + 0x00030) +#define NETXEN_NIU_XG_RX_ENABLE (NETXEN_CRB_NIU + 0x00034) +#define NETXEN_NIU_XG_STATUS (NETXEN_CRB_NIU + 0x00038) +#define NETXEN_NIU_XG_PAUSE_THRESHOLD (NETXEN_CRB_NIU + 0x0003c) +#define NETXEN_NIU_INT_MASK (NETXEN_CRB_NIU + 0x00040) +#define NETXEN_NIU_ACTIVE_INT (NETXEN_CRB_NIU + 0x00044) +#define NETXEN_NIU_MASKABLE_INT (NETXEN_CRB_NIU + 0x00048) + +#define NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER (NETXEN_CRB_NIU + 0x0004c) + +#define NETXEN_NIU_GB_SERDES_RESET (NETXEN_CRB_NIU + 0x00050) +#define NETXEN_NIU_GB0_GMII_MODE (NETXEN_CRB_NIU + 0x00054) +#define NETXEN_NIU_GB0_MII_MODE (NETXEN_CRB_NIU + 0x00058) +#define NETXEN_NIU_GB1_GMII_MODE (NETXEN_CRB_NIU + 0x0005c) +#define NETXEN_NIU_GB1_MII_MODE (NETXEN_CRB_NIU + 0x00060) +#define NETXEN_NIU_GB2_GMII_MODE (NETXEN_CRB_NIU + 0x00064) +#define NETXEN_NIU_GB2_MII_MODE (NETXEN_CRB_NIU + 0x00068) +#define NETXEN_NIU_GB3_GMII_MODE (NETXEN_CRB_NIU + 0x0006c) +#define NETXEN_NIU_GB3_MII_MODE (NETXEN_CRB_NIU + 0x00070) +#define NETXEN_NIU_REMOTE_LOOPBACK (NETXEN_CRB_NIU + 0x00074) +#define NETXEN_NIU_GB0_HALF_DUPLEX (NETXEN_CRB_NIU + 0x00078) +#define NETXEN_NIU_GB1_HALF_DUPLEX (NETXEN_CRB_NIU + 0x0007c) +#define NETXEN_NIU_RESET_SYS_FIFOS (NETXEN_CRB_NIU + 0x00088) +#define NETXEN_NIU_GB_CRC_DROP (NETXEN_CRB_NIU + 0x0008c) +#define NETXEN_NIU_GB_DROP_WRONGADDR (NETXEN_CRB_NIU + 0x00090) +#define NETXEN_NIU_TEST_MUX_CTL (NETXEN_CRB_NIU + 0x00094) +#define NETXEN_NIU_XG_PAUSE_CTL (NETXEN_CRB_NIU + 0x00098) +#define NETXEN_NIU_XG_PAUSE_LEVEL (NETXEN_CRB_NIU + 0x000dc) +#define NETXEN_NIU_XG_SEL (NETXEN_CRB_NIU + 0x00128) + +#define NETXEN_MAC_ADDR_CNTL_REG (NETXEN_CRB_NIU + 0x1000) + +#define NETXEN_MULTICAST_ADDR_HI_0 (NETXEN_CRB_NIU + 0x1010) +#define NETXEN_MULTICAST_ADDR_HI_1 (NETXEN_CRB_NIU + 0x1014) +#define NETXEN_MULTICAST_ADDR_HI_2 (NETXEN_CRB_NIU + 0x1018) +#define NETXEN_MULTICAST_ADDR_HI_3 (NETXEN_CRB_NIU + 0x101c) + +#define NETXEN_NIU_GB_MAC_CONFIG_0(I) \ + (NETXEN_CRB_NIU + 0x30000 + (I)*0x10000) +#define NETXEN_NIU_GB_MAC_CONFIG_1(I) \ + (NETXEN_CRB_NIU + 0x30004 + (I)*0x10000) +#define NETXEN_NIU_GB_MAC_IPG_IFG(I) \ + (NETXEN_CRB_NIU + 0x30008 + (I)*0x10000) +#define NETXEN_NIU_GB_HALF_DUPLEX_CTRL(I) \ + (NETXEN_CRB_NIU + 0x3000c + (I)*0x10000) +#define NETXEN_NIU_GB_MAX_FRAME_SIZE(I) \ + (NETXEN_CRB_NIU + 0x30010 + (I)*0x10000) +#define NETXEN_NIU_GB_TEST_REG(I) \ + (NETXEN_CRB_NIU + 0x3001c + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_CONFIG(I) \ + (NETXEN_CRB_NIU + 0x30020 + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_COMMAND(I) \ + (NETXEN_CRB_NIU + 0x30024 + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_ADDR(I) \ + (NETXEN_CRB_NIU + 0x30028 + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_CTRL(I) \ + (NETXEN_CRB_NIU + 0x3002c + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_STATUS(I) \ + (NETXEN_CRB_NIU + 0x30030 + (I)*0x10000) +#define NETXEN_NIU_GB_MII_MGMT_INDICATE(I) \ + (NETXEN_CRB_NIU + 0x30034 + (I)*0x10000) +#define NETXEN_NIU_GB_INTERFACE_CTRL(I) \ + (NETXEN_CRB_NIU + 0x30038 + (I)*0x10000) +#define NETXEN_NIU_GB_INTERFACE_STATUS(I) \ + (NETXEN_CRB_NIU + 0x3003c + (I)*0x10000) +#define NETXEN_NIU_GB_STATION_ADDR_0(I) \ + (NETXEN_CRB_NIU + 0x30040 + (I)*0x10000) +#define NETXEN_NIU_GB_STATION_ADDR_1(I) \ + (NETXEN_CRB_NIU + 0x30044 + (I)*0x10000) + +#define NETXEN_NIU_XGE_CONFIG_0 (NETXEN_CRB_NIU + 0x70000) +#define NETXEN_NIU_XGE_CONFIG_1 (NETXEN_CRB_NIU + 0x70004) +#define NETXEN_NIU_XGE_IPG (NETXEN_CRB_NIU + 0x70008) +#define NETXEN_NIU_XGE_STATION_ADDR_0_HI (NETXEN_CRB_NIU + 0x7000c) +#define NETXEN_NIU_XGE_STATION_ADDR_0_1 (NETXEN_CRB_NIU + 0x70010) +#define NETXEN_NIU_XGE_STATION_ADDR_1_LO (NETXEN_CRB_NIU + 0x70014) +#define NETXEN_NIU_XGE_STATUS (NETXEN_CRB_NIU + 0x70018) +#define NETXEN_NIU_XGE_MAX_FRAME_SIZE (NETXEN_CRB_NIU + 0x7001c) +#define NETXEN_NIU_XGE_PAUSE_FRAME_VALUE (NETXEN_CRB_NIU + 0x70020) +#define NETXEN_NIU_XGE_TX_BYTE_CNT (NETXEN_CRB_NIU + 0x70024) +#define NETXEN_NIU_XGE_TX_FRAME_CNT (NETXEN_CRB_NIU + 0x70028) +#define NETXEN_NIU_XGE_RX_BYTE_CNT (NETXEN_CRB_NIU + 0x7002c) +#define NETXEN_NIU_XGE_RX_FRAME_CNT (NETXEN_CRB_NIU + 0x70030) +#define NETXEN_NIU_XGE_AGGR_ERROR_CNT (NETXEN_CRB_NIU + 0x70034) +#define NETXEN_NIU_XGE_MULTICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x70038) +#define NETXEN_NIU_XGE_UNICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x7003c) +#define NETXEN_NIU_XGE_CRC_ERROR_CNT (NETXEN_CRB_NIU + 0x70040) +#define NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x70044) +#define NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x70048) +#define NETXEN_NIU_XGE_LOCAL_ERROR_CNT (NETXEN_CRB_NIU + 0x7004c) +#define NETXEN_NIU_XGE_REMOTE_ERROR_CNT (NETXEN_CRB_NIU + 0x70050) +#define NETXEN_NIU_XGE_CONTROL_CHAR_CNT (NETXEN_CRB_NIU + 0x70054) +#define NETXEN_NIU_XGE_PAUSE_FRAME_CNT (NETXEN_CRB_NIU + 0x70058) + +/* XG Link status */ +#define XG_LINK_UP 0x10 +#define XG_LINK_DOWN 0x20 + +#define NETXEN_CAM_RAM_BASE (NETXEN_CRB_CAM + 0x02000) +#define NETXEN_CAM_RAM(reg) (NETXEN_CAM_RAM_BASE + (reg)) +#define NETXEN_FW_VERSION_MAJOR (NETXEN_CAM_RAM(0x150)) +#define NETXEN_FW_VERSION_MINOR (NETXEN_CAM_RAM(0x154)) +#define NETXEN_FW_VERSION_SUB (NETXEN_CAM_RAM(0x158)) +#define NETXEN_ROM_LOCK_ID (NETXEN_CAM_RAM(0x100)) + +#define PCIX_PS_OP_ADDR_LO (0x10000) /* Used for PS PCI Memory access */ +#define PCIX_PS_OP_ADDR_HI (0x10004) /* via CRB (PS side only) */ + +#define PCIX_INT_VECTOR (0x10100) +#define PCIX_INT_MASK (0x10104) + +#define PCIX_MN_WINDOW (0x10200) +#define PCIX_MS_WINDOW (0x10204) +#define PCIX_SN_WINDOW (0x10208) +#define PCIX_CRB_WINDOW (0x10210) + +#define PCIX_TARGET_STATUS (0x10118) +#define PCIX_TARGET_MASK (0x10128) + +#define PCIX_MSI_F0 (0x13000) + +#define PCIX_PS_MEM_SPACE (0x90000) + +#define NETXEN_PCIX_PH_REG(reg) (NETXEN_CRB_PCIE + (reg)) +#define NETXEN_PCIX_PS_REG(reg) (NETXEN_CRB_PCIX_MD + (reg)) + +#define NETXEN_PCIE_REG(reg) (NETXEN_CRB_PCIE + (reg)) + +#define PCIE_MAX_DMA_XFER_SIZE (0x1404c) + +#define PCIE_DCR 0x00d8 + +#define PCIE_SEM2_LOCK (0x1c010) /* Flash lock */ +#define PCIE_SEM2_UNLOCK (0x1c014) /* Flash unlock */ + +#define PCIE_TGT_SPLIT_CHICKEN (0x12080) + +#define PCIE_MAX_MASTER_SPLIT (0x14048) + +#endif /* __NETXEN_NIC_HDR_H_ */ diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c new file mode 100644 index 00000000000..c7d97054d05 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -0,0 +1,936 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * Source file for NIC routines to access the Phantom hardware + * + */ + +#include "netxen_nic.h" +#include "netxen_nic_hw.h" +#include "netxen_nic_phan_reg.h" + +/* PCI Windowing for DDR regions. */ + +#define ADDR_IN_RANGE(addr, low, high) \ + (((addr) <= (high)) && ((addr) >= (low))) + +#define NETXEN_FLASH_BASE (BOOTLD_START) +#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) +#define NETXEN_MAX_MTU 8000 +#define NETXEN_MIN_MTU 64 +#define NETXEN_ETH_FCS_SIZE 4 +#define NETXEN_ENET_HEADER_SIZE 14 +#define NETXEN_WINDOW_ONE 0x2000000 /* CRB Window: bit 25 of CRB address */ +#define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4) +#define NETXEN_NIU_HDRSIZE (0x1 << 6) +#define NETXEN_NIU_TLRSIZE (0x1 << 5) + +unsigned long netxen_nic_pci_set_window(void __iomem * pci_base, + unsigned long long addr); +void netxen_free_hw_resources(struct netxen_adapter *adapter); + +int netxen_nic_set_mac(struct net_device *netdev, void *p) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + struct sockaddr *addr = p; + + if (netif_running(netdev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + DPRINTK(INFO, "valid ether addr\n"); + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + + if (adapter->ops->macaddr_set) + adapter->ops->macaddr_set(port, addr->sa_data); + + return 0; +} + +/* + * netxen_nic_set_multi - Multicast + */ +void netxen_nic_set_multi(struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + struct dev_mc_list *mc_ptr; + __le32 netxen_mac_addr_cntl_data = 0; + + mc_ptr = netdev->mc_list; + if (netdev->flags & IFF_PROMISC) { + if (adapter->ops->set_promisc) + adapter->ops->set_promisc(adapter, + port->portnum, + NETXEN_NIU_PROMISC_MODE); + } else { + if (adapter->ops->unset_promisc) + adapter->ops->unset_promisc(adapter, + port->portnum, + NETXEN_NIU_NON_PROMISC_MODE); + } + if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x03); + netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_enable_xtnd0(netxen_mac_addr_cntl_data); + netxen_nic_mcr_set_enable_xtnd1(netxen_mac_addr_cntl_data); + netxen_nic_mcr_set_enable_xtnd2(netxen_mac_addr_cntl_data); + netxen_nic_mcr_set_enable_xtnd3(netxen_mac_addr_cntl_data); + } else { + netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_id_pool0(netxen_mac_addr_cntl_data, 0x00); + netxen_nic_mcr_set_id_pool1(netxen_mac_addr_cntl_data, 0x01); + netxen_nic_mcr_set_id_pool2(netxen_mac_addr_cntl_data, 0x02); + netxen_nic_mcr_set_id_pool3(netxen_mac_addr_cntl_data, 0x03); + } + writel(netxen_mac_addr_cntl_data, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_MAC_ADDR_CNTL_REG)); + if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + writel(netxen_mac_addr_cntl_data, + NETXEN_CRB_NORMALIZE(adapter, + NETXEN_MULTICAST_ADDR_HI_0)); + } else { + writel(netxen_mac_addr_cntl_data, + NETXEN_CRB_NORMALIZE(adapter, + NETXEN_MULTICAST_ADDR_HI_1)); + } + netxen_mac_addr_cntl_data = 0; + writel(netxen_mac_addr_cntl_data, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_NIU_GB_DROP_WRONGADDR)); +} + +/* + * netxen_nic_change_mtu - Change the Maximum Transfer Unit + * @returns 0 on success, negative on failure + */ +int netxen_nic_change_mtu(struct net_device *netdev, int mtu) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE; + + if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) { + printk(KERN_ERR "%s: %s %d is not supported.\n", + netxen_nic_driver_name, netdev->name, mtu); + return -EINVAL; + } + + if (adapter->ops->set_mtu) + adapter->ops->set_mtu(port, mtu); + netdev->mtu = mtu; + + return 0; +} + +/* + * check if the firmware has been downloaded and ready to run and + * setup the address for the descriptors in the adapter + */ +int netxen_nic_hw_resources(struct netxen_adapter *adapter) +{ + struct netxen_hardware_context *hw = &adapter->ahw; + int i; + u32 state = 0; + void *addr; + int loops = 0, err = 0; + int ctx, ring; + u32 card_cmdring = 0; + struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; + struct netxen_recv_context *recv_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + struct cmd_desc_type0 *pcmd; + + DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base); + DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE, + adapter->ahw.pci_base + NETXEN_PCI_CRBSPACE); + DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM, + adapter->ahw.pci_base + NETXEN_CRB_CAM); + DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE, + adapter->ahw.pci_base + NETXEN_CAM_RAM_BASE); + DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1, + adapter->ahw.pci_base + NIC_CRB_BASE_PORT1); + + /* Window 1 call */ + card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING)); + + DPRINTK(INFO, "Command Peg sends 0x%x for cmdring base\n", + card_cmdring); + + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n"); + loops = 0; + state = 0; + /* Window 1 call */ + state = readl(NETXEN_CRB_NORMALIZE(adapter, + recv_crb_registers[ctx]. + crb_rcvpeg_state)); + while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) { + udelay(100); + /* Window 1 call */ + state = readl(NETXEN_CRB_NORMALIZE(adapter, + recv_crb_registers + [ctx]. + crb_rcvpeg_state)); + loops++; + } + if (loops >= 20) { + printk(KERN_ERR "Rcv Peg initialization not complete:" + "%x.\n", state); + err = -EIO; + return err; + } + } + DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n"); + + addr = pci_alloc_consistent(adapter->ahw.pdev, + sizeof(struct cmd_desc_type0) * + adapter->max_tx_desc_count, + &hw->cmd_desc_phys_addr); + if (addr == NULL) { + DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); + err = -ENOMEM; + return err; + } + + /* we need to prelink all of the cmd descriptors */ + pcmd = (struct cmd_desc_type0 *)addr; + for (i = 1; i < adapter->max_tx_desc_count; i++) { + pcmd->netxen_next = + (card_cmdring + i * sizeof(struct cmd_desc_type0)); + pcmd++; + } + /* fill in last link (point to first) */ + pcmd->netxen_next = card_cmdring; + + hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; + + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + recv_ctx = &adapter->recv_ctx[ctx]; + + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + addr = pci_alloc_consistent(adapter->ahw.pdev, + RCV_DESC_RINGSIZE, + &rcv_desc->phys_addr); + if (addr == NULL) { + DPRINTK(ERR, "bad return from " + "pci_alloc_consistent\n"); + netxen_free_hw_resources(adapter); + err = -ENOMEM; + return err; + } + rcv_desc->desc_head = (struct rcv_desc *)addr; + } + + addr = pci_alloc_consistent(adapter->ahw.pdev, + STATUS_DESC_RINGSIZE, + &recv_ctx-> + rcv_status_desc_phys_addr); + if (addr == NULL) { + DPRINTK(ERR, "bad return from" + " pci_alloc_consistent\n"); + netxen_free_hw_resources(adapter); + err = -ENOMEM; + return err; + } + recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + rcv_desc_crb = + &recv_crb_registers[ctx].rcv_desc_crb[ring]; + DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n", + ring, rcv_desc_crb->crb_globalrcv_ring); + /* Window = 1 */ + writel(rcv_desc->phys_addr, + NETXEN_CRB_NORMALIZE(adapter, + rcv_desc_crb-> + crb_globalrcv_ring)); + DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x" + " val 0x%x," + " virt %p\n", ctx, + rcv_desc_crb->crb_globalrcv_ring, + rcv_desc->phys_addr, rcv_desc->desc_head); + } + + /* Window = 1 */ + writel(recv_ctx->rcv_status_desc_phys_addr, + NETXEN_CRB_NORMALIZE(adapter, + recv_crb_registers[ctx]. + crb_rcvstatus_ring)); + DPRINTK(INFO, "RCVSTATUS_RING, ctx %d, addr 0x%x," + " val 0x%x,virt%p\n", + ctx, + recv_crb_registers[ctx].crb_rcvstatus_ring, + recv_ctx->rcv_status_desc_phys_addr, + recv_ctx->rcv_status_desc_head); + } + /* Window = 1 */ + writel(hw->cmd_desc_phys_addr, + NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + + return err; +} + +void netxen_free_hw_resources(struct netxen_adapter *adapter) +{ + struct netxen_recv_context *recv_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + int ctx, ring; + + if (adapter->ahw.cmd_desc_head != NULL) { + pci_free_consistent(adapter->ahw.pdev, + sizeof(struct cmd_desc_type0) * + adapter->max_tx_desc_count, + adapter->ahw.cmd_desc_head, + adapter->ahw.cmd_desc_phys_addr); + adapter->ahw.cmd_desc_head = NULL; + } + + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + recv_ctx = &adapter->recv_ctx[ctx]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + + if (rcv_desc->desc_head != NULL) { + pci_free_consistent(adapter->ahw.pdev, + RCV_DESC_RINGSIZE, + rcv_desc->desc_head, + rcv_desc->phys_addr); + rcv_desc->desc_head = NULL; + } + } + + if (recv_ctx->rcv_status_desc_head != NULL) { + pci_free_consistent(adapter->ahw.pdev, + STATUS_DESC_RINGSIZE, + recv_ctx->rcv_status_desc_head, + recv_ctx-> + rcv_status_desc_phys_addr); + recv_ctx->rcv_status_desc_head = NULL; + } + } +} + +void netxen_tso_check(struct netxen_adapter *adapter, + struct cmd_desc_type0 *desc, struct sk_buff *skb) +{ + if (desc->mss) { + desc->total_hdr_length = sizeof(struct ethhdr) + + ((skb->nh.iph)->ihl * sizeof(u32)) + + ((skb->h.th)->doff * sizeof(u32)); + desc->opcode = TX_TCP_LSO; + } else if (skb->ip_summed == CHECKSUM_HW) { + if (skb->nh.iph->protocol == IPPROTO_TCP) { + desc->opcode = TX_TCP_PKT; + } else if (skb->nh.iph->protocol == IPPROTO_UDP) { + desc->opcode = TX_UDP_PKT; + } else { + return; + } + } + CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data); + desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr); + desc->ip_hdr_offset = skb->nh.raw - skb->data; + adapter->stats.xmitcsummed++; +} + +int netxen_is_flash_supported(struct netxen_adapter *adapter) +{ + const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 }; + int addr, val01, val02, i, j; + + /* if the flash size less than 4Mb, make huge war cry and die */ + for (j = 1; j < 4; j++) { + addr = j * 0x100000; + for (i = 0; i < (sizeof(locs) / sizeof(locs[0])); i++) { + if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0 + && netxen_rom_fast_read(adapter, (addr + locs[i]), + &val02) == 0) { + if (val01 == val02) + return -1; + } else + return -1; + } + } + + return 0; +} + +static int netxen_get_flash_block(struct netxen_adapter *adapter, int base, + int size, u32 * buf) +{ + int i, addr; + u32 *ptr32; + + addr = base; + ptr32 = buf; + for (i = 0; i < size / sizeof(u32); i++) { + if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) + return -1; + ptr32++; + addr += sizeof(u32); + } + if ((char *)buf + size > (char *)ptr32) { + u32 local; + + if (netxen_rom_fast_read(adapter, addr, &local) == -1) + return -1; + memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); + } + + return 0; +} + +int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]) +{ + u32 *pmac = (u32 *) & mac[0]; + + if (netxen_get_flash_block(adapter, + USER_START + + offsetof(struct netxen_new_user_info, + mac_addr), + FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) { + return -1; + } + if (*mac == ~0ULL) { + if (netxen_get_flash_block(adapter, + USER_START_OLD + + offsetof(struct netxen_user_old_info, + mac_addr), + FLASH_NUM_PORTS * sizeof(u64), + pmac) == -1) + return -1; + if (*mac == ~0ULL) + return -1; + } + return 0; +} + +/* + * Changes the CRB window to the specified window. + */ +void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw) +{ + void __iomem *offset; + u32 tmp; + int count = 0; + + if (adapter->curr_window == wndw) + return; + + /* + * Move the CRB window. + * We need to write to the "direct access" region of PCI + * to avoid a race condition where the window register has + * not been successfully written across CRB before the target + * register address is received by PCI. The direct region bypasses + * the CRB bus. + */ + offset = adapter->ahw.pci_base + NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW); + + if (wndw & 0x1) + wndw = NETXEN_WINDOW_ONE; + + writel(wndw, offset); + + /* MUST make sure window is set before we forge on... */ + while ((tmp = readl(offset)) != wndw) { + printk(KERN_WARNING "%s: %s WARNING: CRB window value not " + "registered properly: 0x%08x.\n", + netxen_nic_driver_name, __FUNCTION__, tmp); + mdelay(1); + if (count >= 10) + break; + count++; + } + + adapter->curr_window = wndw; +} + +void netxen_load_firmware(struct netxen_adapter *adapter) +{ + int i; + long data, size = 0; + long flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE; + u64 off; + void __iomem *addr; + + size = NETXEN_FIRMWARE_LEN; + writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST)); + + for (i = 0; i < size; i++) { + if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) { + DPRINTK(ERR, + "Error in netxen_rom_fast_read(). Will skip" + "loading flash image\n"); + return; + } + off = netxen_nic_pci_set_window(adapter->ahw.pci_base, memaddr); + addr = (adapter->ahw.pci_base + off); + writel(data, addr); + flashaddr += 4; + memaddr += 4; + } + udelay(100); + /* make sure Casper is powered on */ + writel(0x3fff, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL)); + writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST)); + + udelay(100); +} + +int +netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, + int len) +{ + void __iomem *addr; + + if (ADDR_IN_WINDOW1(off)) { + addr = NETXEN_CRB_NORMALIZE(adapter, off); + } else { /* Window 0 */ + addr = adapter->ahw.pci_base + off; + netxen_nic_pci_change_crbwindow(adapter, 0); + } + + DPRINTK(INFO, "writing to base %lx offset %llx addr %p" + " data %llx len %d\n", + adapter->ahw.pci_base, off, addr, + *(unsigned long long *)data, len); + switch (len) { + case 1: + writeb(*(u8 *) data, addr); + break; + case 2: + writew(*(u16 *) data, addr); + break; + case 4: + writel(*(u32 *) data, addr); + break; + case 8: + writeq(*(u64 *) data, addr); + break; + default: + DPRINTK(INFO, + "writing data %lx to offset %llx, num words=%d\n", + *(unsigned long *)data, off, (len >> 3)); + + netxen_nic_hw_block_write64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + + return 0; +} + +int +netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, + int len) +{ + void __iomem *addr; + + if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ + addr = NETXEN_CRB_NORMALIZE(adapter, off); + } else { /* Window 0 */ + addr = adapter->ahw.pci_base + off; + netxen_nic_pci_change_crbwindow(adapter, 0); + } + + DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", + adapter->ahw.pci_base, off, addr); + switch (len) { + case 1: + *(u8 *) data = readb(addr); + break; + case 2: + *(u16 *) data = readw(addr); + break; + case 4: + *(u32 *) data = readl(addr); + break; + case 8: + *(u64 *) data = readq(addr); + break; + default: + netxen_nic_hw_block_read64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + DPRINTK(INFO, "read %lx\n", *(unsigned long *)data); + + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + + return 0; +} + +void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val) +{ /* Only for window 1 */ + void __iomem *addr; + + addr = NETXEN_CRB_NORMALIZE(adapter, off); + DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n", + adapter->ahw.pci_base, off, addr, val); + writel(val, addr); + +} + +int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off) +{ /* Only for window 1 */ + void __iomem *addr; + int val; + + addr = NETXEN_CRB_NORMALIZE(adapter, off); + DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", + adapter->ahw.pci_base, off, addr); + val = readl(addr); + writel(val, addr); + + return val; +} + +/* Change the window to 0, write and change back to window 1. */ +void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value) +{ + void __iomem *addr; + + netxen_nic_pci_change_crbwindow(adapter, 0); + addr = (void __iomem *)(adapter->ahw.pci_base + index); + writel(value, addr); + netxen_nic_pci_change_crbwindow(adapter, 1); +} + +/* Change the window to 0, read and change back to window 1. */ +void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value) +{ + void __iomem *addr; + + addr = (void __iomem *)(adapter->ahw.pci_base + index); + + netxen_nic_pci_change_crbwindow(adapter, 0); + *value = readl(addr); + netxen_nic_pci_change_crbwindow(adapter, 1); +} + +int netxen_pci_set_window_warning_count = 0; + +unsigned long +netxen_nic_pci_set_window(void __iomem * pci_base, unsigned long long addr) +{ + static int ddr_mn_window = -1; + static int qdr_sn_window = -1; + int window; + + if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { + /* DDR network side */ + addr -= NETXEN_ADDR_DDR_NET; + window = (addr >> 25) & 0x3ff; + if (ddr_mn_window != window) { + ddr_mn_window = window; + writel(window, pci_base + + NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW)); + /* MUST make sure window is set before we forge on... */ + readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW)); + } + addr -= (window * 0x2000000); + addr += NETXEN_PCI_DDR_NET; + } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { + addr -= NETXEN_ADDR_OCM0; + addr += NETXEN_PCI_OCM0; + } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { + addr -= NETXEN_ADDR_OCM1; + addr += NETXEN_PCI_OCM1; + } else + if (ADDR_IN_RANGE + (addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) { + /* QDR network side */ + addr -= NETXEN_ADDR_QDR_NET; + window = (addr >> 22) & 0x3f; + if (qdr_sn_window != window) { + qdr_sn_window = window; + writel((window << 22), pci_base + + NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW)); + /* MUST make sure window is set before we forge on... */ + readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW)); + } + addr -= (window * 0x400000); + addr += NETXEN_PCI_QDR_NET; + } else { + /* + * peg gdb frequently accesses memory that doesn't exist, + * this limits the chit chat so debugging isn't slowed down. + */ + if ((netxen_pci_set_window_warning_count++ < 8) + || (netxen_pci_set_window_warning_count % 64 == 0)) + printk("%s: Warning:netxen_nic_pci_set_window()" + " Unknown address range!\n", + netxen_nic_driver_name); + + } + return addr; +} + +int netxen_nic_get_board_info(struct netxen_adapter *adapter) +{ + int rv = 0; + int addr = BRDCFG_START; + struct netxen_board_info *boardinfo; + int index; + u32 *ptr32; + + boardinfo = &adapter->ahw.boardcfg; + ptr32 = (u32 *) boardinfo; + + for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32); + index++) { + if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { + return -EIO; + } + ptr32++; + addr += sizeof(u32); + } + if (boardinfo->magic != NETXEN_BDINFO_MAGIC) { + printk("%s: ERROR reading %s board config." + " Read %x, expected %x\n", netxen_nic_driver_name, + netxen_nic_driver_name, + boardinfo->magic, NETXEN_BDINFO_MAGIC); + rv = -1; + } + if (boardinfo->header_version != NETXEN_BDINFO_VERSION) { + printk("%s: Unknown board config version." + " Read %x, expected %x\n", netxen_nic_driver_name, + boardinfo->header_version, NETXEN_BDINFO_VERSION); + rv = -1; + } + + DPRINTK(INFO, "Discovered board type:0x%x ", boardinfo->board_type); + switch ((netxen_brdtype_t) boardinfo->board_type) { + case NETXEN_BRDTYPE_P2_SB35_4G: + adapter->ahw.board_type = NETXEN_NIC_GBE; + break; + case NETXEN_BRDTYPE_P2_SB31_10G: + case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_CX4: + adapter->ahw.board_type = NETXEN_NIC_XGBE; + break; + case NETXEN_BRDTYPE_P1_BD: + case NETXEN_BRDTYPE_P1_SB: + case NETXEN_BRDTYPE_P1_SMAX: + case NETXEN_BRDTYPE_P1_SOCK: + adapter->ahw.board_type = NETXEN_NIC_GBE; + break; + default: + printk("%s: Unknown(%x)\n", netxen_nic_driver_name, + boardinfo->board_type); + break; + } + + return rv; +} + +/* NIU access sections */ + +int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu) +{ + struct netxen_adapter *adapter = port->adapter; + netxen_nic_write_w0(adapter, + NETXEN_NIU_GB_MAX_FRAME_SIZE(port->portnum), + new_mtu); + return 0; +} + +int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu) +{ + struct netxen_adapter *adapter = port->adapter; + new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE; + netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu); + return 0; +} + +void netxen_nic_init_niu_gb(struct netxen_adapter *adapter) +{ + int portno; + for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) + netxen_niu_gbe_init_port(adapter, portno); +} + +void netxen_nic_stop_all_ports(struct netxen_adapter *adapter) +{ + int port_nr; + struct netxen_port *port; + + for (port_nr = 0; port_nr < adapter->ahw.max_ports; port_nr++) { + port = adapter->port[port_nr]; + if (adapter->ops->stop_port) + adapter->ops->stop_port(adapter, port->portnum); + } +} + +void +netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, + int data) +{ + void __iomem *addr; + + if (ADDR_IN_WINDOW1(off)) { + writel(data, NETXEN_CRB_NORMALIZE(adapter, off)); + } else { + netxen_nic_pci_change_crbwindow(adapter, 0); + addr = (void __iomem *)(adapter->ahw.pci_base + off); + writel(data, addr); + netxen_nic_pci_change_crbwindow(adapter, 1); + } +} + +void netxen_nic_set_link_parameters(struct netxen_port *port) +{ + struct netxen_adapter *adapter = port->adapter; + __le32 status; + u16 autoneg; + __le32 mode; + + netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); + if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */ + if (adapter->ops->phy_read + && adapter->ops-> + phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) == 0) { + if (netxen_get_phy_link(status)) { + switch (netxen_get_phy_speed(status)) { + case 0: + port->link_speed = SPEED_10; + break; + case 1: + port->link_speed = SPEED_100; + break; + case 2: + port->link_speed = SPEED_1000; + break; + default: + port->link_speed = -1; + break; + } + switch (netxen_get_phy_duplex(status)) { + case 0: + port->link_duplex = DUPLEX_HALF; + break; + case 1: + port->link_duplex = DUPLEX_FULL; + break; + default: + port->link_duplex = -1; + break; + } + if (adapter->ops->phy_read + && adapter->ops-> + phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, + (__le32 *) & autoneg) != 0) + port->link_autoneg = autoneg; + } else + goto link_down; + } else { + link_down: + port->link_speed = -1; + port->link_duplex = -1; + } + } +} + +void netxen_nic_flash_print(struct netxen_adapter *adapter) +{ + int valid = 1; + u32 fw_major = 0; + u32 fw_minor = 0; + u32 fw_build = 0; + + struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); + if (board_info->magic != NETXEN_BDINFO_MAGIC) { + printk + ("NetXen Unknown board config, Read 0x%x expected as 0x%x\n", + board_info->magic, NETXEN_BDINFO_MAGIC); + valid = 0; + } + if (board_info->header_version != NETXEN_BDINFO_VERSION) { + printk("NetXen Unknown board config version." + " Read %x, expected %x\n", + board_info->header_version, NETXEN_BDINFO_VERSION); + valid = 0; + } + if (valid) { + printk("NetXen %s Board #%d, Chip id 0x%x\n", + board_info->board_type == 0x0b ? "XGB" : "GBE", + board_info->board_num, board_info->chip_id); + fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MAJOR)); + fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MINOR)); + fw_build = + readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB)); + + printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor, + fw_build); + } + if (fw_major != _NETXEN_NIC_LINUX_MAJOR) { + printk(KERN_ERR "The mismatch in driver version and firmware " + "version major number\n" + "Driver version major number = %d \t" + "Firmware version major number = %d \n", + _NETXEN_NIC_LINUX_MAJOR, fw_major); + adapter->driver_mismatch = 1; + } + if (fw_minor != _NETXEN_NIC_LINUX_MINOR) { + printk(KERN_ERR "The mismatch in driver version and firmware " + "version minor number\n" + "Driver version minor number = %d \t" + "Firmware version minor number = %d \n", + _NETXEN_NIC_LINUX_MINOR, fw_minor); + adapter->driver_mismatch = 1; + } + if (adapter->driver_mismatch) + printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n", + fw_major, fw_minor); +} + +int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off) +{ + int data; + netxen_nic_hw_read_wx(adapter, off, &data, 4); + return data; +} diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h new file mode 100644 index 00000000000..fb1a0253863 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_hw.h @@ -0,0 +1,480 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * Structures, enums, and macros for the MAC + * + */ + +#ifndef __NETXEN_NIC_HW_H_ +#define __NETXEN_NIC_HW_H_ + +#include "netxen_nic_hdr.h" + +/* Hardware memory size of 128 meg */ +#define NETXEN_MEMADDR_MAX (128 * 1024 * 1024) + +#ifndef readq +static inline u64 readq(void __iomem * addr) +{ + return readl(addr) | (((u64) readl(addr + 4)) << 32LL); +} +#endif + +#ifndef writeq +static inline void writeq(u64 val, void __iomem * addr) +{ + writel(((u32) (val)), (addr)); + writel(((u32) (val >> 32)), (addr + 4)); +} +#endif + +static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr, + u64 __iomem * addr, + int num_words) +{ + int num; + for (num = 0; num < num_words; num++) { + writeq(readq((void __iomem *)data_ptr), addr); + addr++; + data_ptr++; + } +} + +static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr, + u64 __iomem * addr, int num_words) +{ + int num; + for (num = 0; num < num_words; num++) { + writeq(readq((void __iomem *)addr), data_ptr); + addr++; + data_ptr++; + } + +} + +struct netxen_adapter; + +#define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20) + +#define NETXEN_NIC_LOCKED_READ_REG(X, Y) \ + addr = (adapter->ahw.pci_base + X); \ + *(u32 *)Y = readl((void __iomem*) addr); + +struct netxen_port; +void netxen_nic_set_link_parameters(struct netxen_port *port); +void netxen_nic_flash_print(struct netxen_adapter *adapter); +int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, + void *data, int len); +void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, + unsigned long off, int data); +int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, + void *data, int len); + +typedef u8 netxen_ethernet_macaddr_t[6]; + +/* Nibble or Byte mode for phy interface (GbE mode only) */ +typedef enum { + NETXEN_NIU_10_100_MB = 0, + NETXEN_NIU_1000_MB +} netxen_niu_gbe_ifmode_t; + +#define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1) + +/* + * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3) + * + * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable + * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream + * Bit 2 : enable_rx => 1:enable frame recv, 0:disable + * Bit 3 : rx_synced => R/O: recv enable synched to recv stream + * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable + * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore + * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal + * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op + * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op + * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op + * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op + * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op + */ + +#define netxen_gb_enable_tx(config_word) \ + set_bit(0, (unsigned long*)(&config_word)) +#define netxen_gb_enable_rx(config_word) \ + set_bit(2, (unsigned long*)(&config_word)) +#define netxen_gb_tx_flowctl(config_word) \ + set_bit(4, (unsigned long*)(&config_word)) +#define netxen_gb_rx_flowctl(config_word) \ + set_bit(5, (unsigned long*)(&config_word)) +#define netxen_gb_tx_reset_pb(config_word) \ + set_bit(16, (unsigned long*)(&config_word)) +#define netxen_gb_rx_reset_pb(config_word) \ + set_bit(17, (unsigned long*)(&config_word)) +#define netxen_gb_tx_reset_mac(config_word) \ + set_bit(18, (unsigned long*)(&config_word)) +#define netxen_gb_rx_reset_mac(config_word) \ + set_bit(19, (unsigned long*)(&config_word)) +#define netxen_gb_soft_reset(config_word) \ + set_bit(31, (unsigned long*)(&config_word)) + +#define netxen_gb_unset_tx_flowctl(config_word) \ + clear_bit(4, (unsigned long *)(&config_word)) +#define netxen_gb_unset_rx_flowctl(config_word) \ + clear_bit(5, (unsigned long*)(&config_word)) + +#define netxen_gb_get_tx_synced(config_word) \ + _netxen_crb_get_bit((config_word), 1) +#define netxen_gb_get_rx_synced(config_word) \ + _netxen_crb_get_bit((config_word), 3) +#define netxen_gb_get_tx_flowctl(config_word) \ + _netxen_crb_get_bit((config_word), 4) +#define netxen_gb_get_rx_flowctl(config_word) \ + _netxen_crb_get_bit((config_word), 5) +#define netxen_gb_get_soft_reset(config_word) \ + _netxen_crb_get_bit((config_word), 31) + +/* + * NIU GB MAC Config Register 1 (applies to GB0, GB1, GB2, GB3) + * + * Bit 0 : duplex => 1:full duplex mode, 0:half duplex + * Bit 1 : crc_enable => 1:append CRC to xmit frames, 0:dont append + * Bit 2 : padshort => 1:pad short frames and add CRC, 0:dont pad + * Bit 4 : checklength => 1:check framelen with actual,0:dont check + * Bit 5 : hugeframes => 1:allow oversize xmit frames, 0:dont allow + * Bits 8-9 : intfmode => 01:nibble (10/100), 10:byte (1000) + * Bits 12-15 : preamblelen => preamble field length in bytes, default 7 + */ + +#define netxen_gb_set_duplex(config_word) \ + set_bit(0, (unsigned long*)&config_word) +#define netxen_gb_set_crc_enable(config_word) \ + set_bit(1, (unsigned long*)&config_word) +#define netxen_gb_set_padshort(config_word) \ + set_bit(2, (unsigned long*)&config_word) +#define netxen_gb_set_checklength(config_word) \ + set_bit(4, (unsigned long*)&config_word) +#define netxen_gb_set_hugeframes(config_word) \ + set_bit(5, (unsigned long*)&config_word) +#define netxen_gb_set_preamblelen(config_word, val) \ + ((config_word) |= ((val) << 12) & 0xF000) +#define netxen_gb_set_intfmode(config_word, val) \ + ((config_word) |= ((val) << 8) & 0x300) + +#define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16) + +#define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \ + ((config_word) |= ((val) & 0x07)) +#define netxen_gb_mii_mgmt_reset(config_word) \ + set_bit(31, (unsigned long*)&config_word) +#define netxen_gb_mii_mgmt_unset(config_word) \ + clear_bit(31, (unsigned long*)&config_word) + +/* + * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3) + * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op + * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op + */ + +#define netxen_gb_mii_mgmt_set_read_cycle(config_word) \ + set_bit(0, (unsigned long*)&config_word) +#define netxen_gb_mii_mgmt_reg_addr(config_word, val) \ + ((config_word) |= ((val) & 0x1F)) +#define netxen_gb_mii_mgmt_phy_addr(config_word, val) \ + ((config_word) |= (((val) & 0x1F) << 8)) + +/* + * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3) + * Read-only register. + * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle + * Bit 1 : scanning => 1:scan operation in progress, 0:idle + * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle + */ +#define netxen_get_gb_mii_mgmt_busy(config_word) \ + _netxen_crb_get_bit(config_word, 0) +#define netxen_get_gb_mii_mgmt_scanning(config_word) \ + _netxen_crb_get_bit(config_word, 1) +#define netxen_get_gb_mii_mgmt_notvalid(config_word) \ + _netxen_crb_get_bit(config_word, 2) + +/* + * PHY-Specific MII control/status registers. + */ +typedef enum { + NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0, + NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4, + NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6, + NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7, + NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8, + NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9, + NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10, + NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20, + NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21, + NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24, + NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27 +} netxen_niu_phy_register_t; + +/* + * PHY-Specific Status Register (reg 17). + * + * Bit 0 : jabber => 1:jabber detected, 0:not + * Bit 1 : polarity => 1:polarity reversed, 0:normal + * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled + * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled + * Bit 4 : energydetect => 1:sleep, 0:active + * Bit 5 : downshift => 1:downshift, 0:no downshift + * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover) + * Bits 7-9 : cablelen => not valid in 10Mb/s mode + * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m + * Bit 10 : link => 1:link up, 0:link down + * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet + * Bit 12 : pagercvd => 1:page received, 0:page not received + * Bit 13 : duplex => 1:full duplex, 0:half duplex + * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd + */ + +#define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07) +#define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03) + +#define netxen_set_phy_speed(config_word, val) \ + ((config_word) |= ((val & 0x03) << 14)) +#define netxen_set_phy_duplex(config_word) \ + set_bit(13, (unsigned long*)&config_word) +#define netxen_clear_phy_duplex(config_word) \ + clear_bit(13, (unsigned long*)&config_word) + +#define netxen_get_phy_jabber(config_word) \ + _netxen_crb_get_bit(config_word, 0) +#define netxen_get_phy_polarity(config_word) \ + _netxen_crb_get_bit(config_word, 1) +#define netxen_get_phy_recvpause(config_word) \ + _netxen_crb_get_bit(config_word, 2) +#define netxen_get_phy_xmitpause(config_word) \ + _netxen_crb_get_bit(config_word, 3) +#define netxen_get_phy_energydetect(config_word) \ + _netxen_crb_get_bit(config_word, 4) +#define netxen_get_phy_downshift(config_word) \ + _netxen_crb_get_bit(config_word, 5) +#define netxen_get_phy_crossover(config_word) \ + _netxen_crb_get_bit(config_word, 6) +#define netxen_get_phy_link(config_word) \ + _netxen_crb_get_bit(config_word, 10) +#define netxen_get_phy_resolved(config_word) \ + _netxen_crb_get_bit(config_word, 11) +#define netxen_get_phy_pagercvd(config_word) \ + _netxen_crb_get_bit(config_word, 12) +#define netxen_get_phy_duplex(config_word) \ + _netxen_crb_get_bit(config_word, 13) + +/* + * Interrupt Register definition + * This definition applies to registers 18 and 19 (int enable and int status). + * Bit 0 : jabber + * Bit 1 : polarity_changed + * Bit 4 : energy_detect + * Bit 5 : downshift + * Bit 6 : mdi_xover_changed + * Bit 7 : fifo_over_underflow + * Bit 8 : false_carrier + * Bit 9 : symbol_error + * Bit 10: link_status_changed + * Bit 11: autoneg_completed + * Bit 12: page_received + * Bit 13: duplex_changed + * Bit 14: speed_changed + * Bit 15: autoneg_error + */ + +#define netxen_get_phy_int_jabber(config_word) \ + _netxen_crb_get_bit(config_word, 0) +#define netxen_get_phy_int_polarity_changed(config_word) \ + _netxen_crb_get_bit(config_word, 1) +#define netxen_get_phy_int_energy_detect(config_word) \ + _netxen_crb_get_bit(config_word, 4) +#define netxen_get_phy_int_downshift(config_word) \ + _netxen_crb_get_bit(config_word, 5) +#define netxen_get_phy_int_mdi_xover_changed(config_word) \ + _netxen_crb_get_bit(config_word, 6) +#define netxen_get_phy_int_fifo_over_underflow(config_word) \ + _netxen_crb_get_bit(config_word, 7) +#define netxen_get_phy_int_false_carrier(config_word) \ + _netxen_crb_get_bit(config_word, 8) +#define netxen_get_phy_int_symbol_error(config_word) \ + _netxen_crb_get_bit(config_word, 9) +#define netxen_get_phy_int_link_status_changed(config_word) \ + _netxen_crb_get_bit(config_word, 10) +#define netxen_get_phy_int_autoneg_completed(config_word) \ + _netxen_crb_get_bit(config_word, 11) +#define netxen_get_phy_int_page_received(config_word) \ + _netxen_crb_get_bit(config_word, 12) +#define netxen_get_phy_int_duplex_changed(config_word) \ + _netxen_crb_get_bit(config_word, 13) +#define netxen_get_phy_int_speed_changed(config_word) \ + _netxen_crb_get_bit(config_word, 14) +#define netxen_get_phy_int_autoneg_error(config_word) \ + _netxen_crb_get_bit(config_word, 15) + +#define netxen_set_phy_int_link_status_changed(config_word) \ + set_bit(10, (unsigned long*)&config_word) +#define netxen_set_phy_int_autoneg_completed(config_word) \ + set_bit(11, (unsigned long*)&config_word) +#define netxen_set_phy_int_speed_changed(config_word) \ + set_bit(14, (unsigned long*)&config_word) + +/* + * NIU Mode Register. + * Bit 0 : enable FibreChannel + * Bit 1 : enable 10/100/1000 Ethernet + * Bit 2 : enable 10Gb Ethernet + */ + +#define netxen_get_niu_enable_ge(config_word) \ + _netxen_crb_get_bit(config_word, 1) + +/* Promiscous mode options (GbE mode only) */ +typedef enum { + NETXEN_NIU_PROMISC_MODE = 0, + NETXEN_NIU_NON_PROMISC_MODE +} netxen_niu_prom_mode_t; + +/* + * NIU GB Drop CRC Register + * + * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on + * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on + * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on + * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on + */ + +#define netxen_set_gb_drop_gb0(config_word) \ + set_bit(0, (unsigned long*)&config_word) +#define netxen_set_gb_drop_gb1(config_word) \ + set_bit(1, (unsigned long*)&config_word) +#define netxen_set_gb_drop_gb2(config_word) \ + set_bit(2, (unsigned long*)&config_word) +#define netxen_set_gb_drop_gb3(config_word) \ + set_bit(3, (unsigned long*)&config_word) + +#define netxen_clear_gb_drop_gb0(config_word) \ + clear_bit(0, (unsigned long*)&config_word) +#define netxen_clear_gb_drop_gb1(config_word) \ + clear_bit(1, (unsigned long*)&config_word) +#define netxen_clear_gb_drop_gb2(config_word) \ + clear_bit(2, (unsigned long*)&config_word) +#define netxen_clear_gb_drop_gb3(config_word) \ + clear_bit(3, (unsigned long*)&config_word) + +/* + * NIU XG MAC Config Register + * + * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable + * Bit 2 : rx_enable => 1:enable frame recv, 0:disable + * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op + * Bit 27: xaui_framer_reset + * Bit 28: xaui_rx_reset + * Bit 29: xaui_tx_reset + * Bit 30: xg_ingress_afifo_reset + * Bit 31: xg_egress_afifo_reset + */ + +#define netxen_xg_soft_reset(config_word) \ + set_bit(4, (unsigned long*)&config_word) + +/* + * MAC Control Register + * + * Bit 0-1 : id_pool0 + * Bit 2 : enable_xtnd0 + * Bit 4-5 : id_pool1 + * Bit 6 : enable_xtnd1 + * Bit 8-9 : id_pool2 + * Bit 10 : enable_xtnd2 + * Bit 12-13 : id_pool3 + * Bit 14 : enable_xtnd3 + * Bit 24-25 : mode_select + * Bit 28-31 : enable_pool + */ + +#define netxen_nic_mcr_set_id_pool0(config, val) \ + ((config) |= ((val) &0x03)) +#define netxen_nic_mcr_set_enable_xtnd0(config) \ + (set_bit(3, (unsigned long *)&(config))) +#define netxen_nic_mcr_set_id_pool1(config, val) \ + ((config) |= (((val) & 0x03) << 4)) +#define netxen_nic_mcr_set_enable_xtnd1(config) \ + (set_bit(6, (unsigned long *)&(config))) +#define netxen_nic_mcr_set_id_pool2(config, val) \ + ((config) |= (((val) & 0x03) << 8)) +#define netxen_nic_mcr_set_enable_xtnd2(config) \ + (set_bit(10, (unsigned long *)&(config))) +#define netxen_nic_mcr_set_id_pool3(config, val) \ + ((config) |= (((val) & 0x03) << 12)) +#define netxen_nic_mcr_set_enable_xtnd3(config) \ + (set_bit(14, (unsigned long *)&(config))) +#define netxen_nic_mcr_set_mode_select(config, val) \ + ((config) |= (((val) & 0x03) << 24)) +#define netxen_nic_mcr_set_enable_pool(config, val) \ + ((config) |= (((val) & 0x0f) << 28)) + +/* Set promiscuous mode for a GbE interface */ +int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port, + netxen_niu_prom_mode_t mode); +int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, + int port, netxen_niu_prom_mode_t mode); + +/* get/set the MAC address for a given MAC */ +int netxen_niu_macaddr_get(struct netxen_adapter *adapter, int port, + netxen_ethernet_macaddr_t * addr); +int netxen_niu_macaddr_set(struct netxen_port *port, + netxen_ethernet_macaddr_t addr); + +/* XG versons */ +int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int port, + netxen_ethernet_macaddr_t * addr); +int netxen_niu_xg_macaddr_set(struct netxen_port *port, + netxen_ethernet_macaddr_t addr); + +/* Generic enable for GbE ports. Will detect the speed of the link. */ +int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port); + +/* Disable a GbE interface */ +int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port); + +int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port); + +#endif /* __NETXEN_NIC_HW_H_ */ diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c new file mode 100644 index 00000000000..d122e51e43a --- /dev/null +++ b/drivers/net/netxen/netxen_nic_init.c @@ -0,0 +1,1143 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * Source file for NIC routines to initialize the Phantom Hardware + * + */ + +#include +#include +#include "netxen_nic.h" +#include "netxen_nic_hw.h" +#include "netxen_nic_ioctl.h" +#include "netxen_nic_phan_reg.h" + +struct crb_addr_pair { + long addr; + long data; +}; + +#define NETXEN_MAX_CRB_XFORM 60 +static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM]; +#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff ) + +#define crb_addr_transform(name) \ + crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \ + NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20 + +static inline void +netxen_nic_locked_write_reg(struct netxen_adapter *adapter, + unsigned long off, int *data) +{ + void __iomem *addr = (adapter->ahw.pci_base + off); + writel(*data, addr); +} + +static void crb_addr_transform_setup(void) +{ + crb_addr_transform(XDMA); + crb_addr_transform(TIMR); + crb_addr_transform(SRE); + crb_addr_transform(SQN3); + crb_addr_transform(SQN2); + crb_addr_transform(SQN1); + crb_addr_transform(SQN0); + crb_addr_transform(SQS3); + crb_addr_transform(SQS2); + crb_addr_transform(SQS1); + crb_addr_transform(SQS0); + crb_addr_transform(RPMX7); + crb_addr_transform(RPMX6); + crb_addr_transform(RPMX5); + crb_addr_transform(RPMX4); + crb_addr_transform(RPMX3); + crb_addr_transform(RPMX2); + crb_addr_transform(RPMX1); + crb_addr_transform(RPMX0); + crb_addr_transform(ROMUSB); + crb_addr_transform(SN); + crb_addr_transform(QMN); + crb_addr_transform(QMS); + crb_addr_transform(PGNI); + crb_addr_transform(PGND); + crb_addr_transform(PGN3); + crb_addr_transform(PGN2); + crb_addr_transform(PGN1); + crb_addr_transform(PGN0); + crb_addr_transform(PGSI); + crb_addr_transform(PGSD); + crb_addr_transform(PGS3); + crb_addr_transform(PGS2); + crb_addr_transform(PGS1); + crb_addr_transform(PGS0); + crb_addr_transform(PS); + crb_addr_transform(PH); + crb_addr_transform(NIU); + crb_addr_transform(I2Q); + crb_addr_transform(EG); + crb_addr_transform(MN); + crb_addr_transform(MS); + crb_addr_transform(CAS2); + crb_addr_transform(CAS1); + crb_addr_transform(CAS0); + crb_addr_transform(CAM); + crb_addr_transform(C2C1); + crb_addr_transform(C2C0); +} + +int netxen_init_firmware(struct netxen_adapter *adapter) +{ + u32 state = 0, loops = 0, err = 0; + + /* Window 1 call */ + state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)); + + if (state == PHAN_INITIALIZE_ACK) + return 0; + + while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) { + udelay(100); + /* Window 1 call */ + state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)); + + loops++; + } + if (loops >= 2000) { + printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n", + state); + err = -EIO; + return err; + } + /* Window 1 call */ + writel(PHAN_INITIALIZE_ACK, + NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)); + + return err; +} + +void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) +{ + int ctxid, ring; + u32 i; + u32 num_rx_bufs = 0; + struct netxen_rcv_desc_ctx *rcv_desc; + + DPRINTK(INFO, "initializing some queues: %p\n", adapter); + for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) { + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + struct netxen_rx_buffer *rx_buf; + rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring]; + rcv_desc->rcv_free = rcv_desc->max_rx_desc_count; + rcv_desc->begin_alloc = 0; + rx_buf = rcv_desc->rx_buf_arr; + num_rx_bufs = rcv_desc->max_rx_desc_count; + /* + * Now go through all of them, set reference handles + * and put them in the queues. + */ + for (i = 0; i < num_rx_bufs; i++) { + rx_buf->ref_handle = i; + rx_buf->state = NETXEN_BUFFER_FREE; + + DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:" + "%p\n", ctxid, i, rx_buf); + rx_buf++; + } + } + } + DPRINTK(INFO, "initialized buffers for %s and %s\n", + "adapter->free_cmd_buf_list", "adapter->free_rxbuf"); +} + +void netxen_initialize_adapter_hw(struct netxen_adapter *adapter) +{ + if (netxen_nic_get_board_info(adapter) != 0) + printk("%s: Error getting board config info.\n", + netxen_nic_driver_name); + + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + adapter->ahw.max_ports = 4; + break; + + case NETXEN_NIC_XGBE: + adapter->ahw.max_ports = 1; + break; + + default: + printk(KERN_ERR "%s: Unknown board type\n", + netxen_nic_driver_name); + } +} + +void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) +{ + struct netxen_drvops *ops = adapter->ops; + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + ops->enable_phy_interrupts = + netxen_niu_gbe_enable_phy_interrupts; + ops->disable_phy_interrupts = + netxen_niu_gbe_disable_phy_interrupts; + ops->handle_phy_intr = netxen_nic_gbe_handle_phy_intr; + ops->macaddr_set = netxen_niu_macaddr_set; + ops->set_mtu = netxen_nic_set_mtu_gb; + ops->set_promisc = netxen_niu_set_promiscuous_mode; + ops->unset_promisc = netxen_niu_set_promiscuous_mode; + ops->phy_read = netxen_niu_gbe_phy_read; + ops->phy_write = netxen_niu_gbe_phy_write; + ops->init_port = netxen_niu_gbe_init_port; + ops->init_niu = netxen_nic_init_niu_gb; + ops->stop_port = netxen_niu_disable_gbe_port; + break; + + case NETXEN_NIC_XGBE: + ops->enable_phy_interrupts = + netxen_niu_xgbe_enable_phy_interrupts; + ops->disable_phy_interrupts = + netxen_niu_xgbe_disable_phy_interrupts; + ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr; + ops->macaddr_set = netxen_niu_xg_macaddr_set; + ops->set_mtu = netxen_nic_set_mtu_xgb; + ops->set_promisc = netxen_niu_xg_set_promiscuous_mode; + ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode; + ops->stop_port = netxen_niu_disable_xg_port; + break; + + default: + break; + } +} + +/* + * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB + * address to external PCI CRB address. + */ +unsigned long netxen_decode_crb_addr(unsigned long addr) +{ + int i; + unsigned long base_addr, offset, pci_base; + + crb_addr_transform_setup(); + + pci_base = NETXEN_ADDR_ERROR; + base_addr = addr & 0xfff00000; + offset = addr & 0x000fffff; + + for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) { + if (crb_addr_xform[i] == base_addr) { + pci_base = i << 20; + break; + } + } + if (pci_base == NETXEN_ADDR_ERROR) + return pci_base; + else + return (pci_base + offset); +} + +static long rom_max_timeout = 10000; +static long rom_lock_timeout = 1000000; + +static inline int rom_lock(struct netxen_adapter *adapter) +{ + int iter; + u32 done = 0; + int timeout = 0; + + while (!done) { + /* acquire semaphore2 from PCI HW block */ + netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK), + &done); + if (done == 1) + break; + if (timeout >= rom_lock_timeout) + return -EIO; + + timeout++; + /* + * Yield CPU + */ + if (!in_atomic()) + schedule(); + else { + for (iter = 0; iter < 20; iter++) + cpu_relax(); /*This a nop instr on i386 */ + } + } + netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER); + return 0; +} + +static inline void rom_unlock(struct netxen_adapter *adapter) +{ + u32 val; + + /* release semaphore2 */ + netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val); + +} + +int netxen_wait_rom_done(struct netxen_adapter *adapter) +{ + long timeout = 0; + long done = 0; + + while (done == 0) { + done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS); + done &= 2; + timeout++; + if (timeout >= rom_max_timeout) { + printk("Timeout reached waiting for rom done"); + return -EIO; + } + } + return 0; +} + +static inline int +do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) +{ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3); + udelay(100); /* prevent bursting on CRB */ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb); + if (netxen_wait_rom_done(adapter)) { + printk("Error waiting for rom done\n"); + return -EIO; + } + /* reset abyte_cnt and dummy_byte_cnt */ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); + udelay(100); /* prevent bursting on CRB */ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); + + *valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA); + return 0; +} + +int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) +{ + int ret; + + if (rom_lock(adapter) != 0) + return -EIO; + + ret = do_rom_fast_read(adapter, addr, valp); + rom_unlock(adapter); + return ret; +} + +#define NETXEN_BOARDTYPE 0x4008 +#define NETXEN_BOARDNUM 0x400c +#define NETXEN_CHIPNUM 0x4010 +#define NETXEN_ROMBUS_RESET 0xFFFFFFFF +#define NETXEN_ROM_FIRST_BARRIER 0x800000000ULL +#define NETXEN_ROM_FOUND_INIT 0x400 + +int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) +{ + int addr, val, status; + int n, i; + int init_delay = 0; + struct crb_addr_pair *buf; + unsigned long off; + + /* resetall */ + status = netxen_nic_get_board_info(adapter); + if (status) + printk("%s: pinit_from_rom: Error getting board info\n", + netxen_nic_driver_name); + + netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, + NETXEN_ROMBUS_RESET); + + if (verbose) { + int val; + if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0) + printk("P2 ROM board type: 0x%08x\n", val); + else + printk("Could not read board type\n"); + if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0) + printk("P2 ROM board num: 0x%08x\n", val); + else + printk("Could not read board number\n"); + if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0) + printk("P2 ROM chip num: 0x%08x\n", val); + else + printk("Could not read chip number\n"); + } + + if (netxen_rom_fast_read(adapter, 0, &n) == 0 + && (n & NETXEN_ROM_FIRST_BARRIER)) { + n &= ~NETXEN_ROM_ROUNDUP; + if (n < NETXEN_ROM_FOUND_INIT) { + if (verbose) + printk("%s: %d CRB init values found" + " in ROM.\n", netxen_nic_driver_name, n); + } else { + printk("%s:n=0x%x Error! NetXen card flash not" + " initialized.\n", __FUNCTION__, n); + return -EIO; + } + buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); + if (buf == NULL) { + printk("%s: pinit_from_rom: Unable to calloc memory.\n", + netxen_nic_driver_name); + return -ENOMEM; + } + for (i = 0; i < n; i++) { + if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0 + || netxen_rom_fast_read(adapter, 8 * i + 8, + &addr) != 0) + return -EIO; + + buf[i].addr = addr; + buf[i].data = val; + + if (verbose) + printk("%s: PCI: 0x%08x == 0x%08x\n", + netxen_nic_driver_name, (unsigned int) + netxen_decode_crb_addr((unsigned long) + addr), val); + } + for (i = 0; i < n; i++) { + + off = + netxen_decode_crb_addr((unsigned long)buf[i].addr) + + NETXEN_PCI_CRBSPACE; + /* skipping cold reboot MAGIC */ + if (off == NETXEN_CAM_RAM(0x1fc)) + continue; + + /* After writing this register, HW needs time for CRB */ + /* to quiet down (else crb_window returns 0xffffffff) */ + if (off == NETXEN_ROMUSB_GLB_SW_RESET) { + init_delay = 1; + /* hold xdma in reset also */ + buf[i].data = 0x8000ff; + } + + if (ADDR_IN_WINDOW1(off)) { + writel(buf[i].data, + NETXEN_CRB_NORMALIZE(adapter, off)); + } else { + netxen_nic_pci_change_crbwindow(adapter, 0); + writel(buf[i].data, + adapter->ahw.pci_base + off); + + netxen_nic_pci_change_crbwindow(adapter, 1); + } + if (init_delay == 1) { + ssleep(1); + init_delay = 0; + } + msleep(1); + } + kfree(buf); + + /* disable_peg_cache_all */ + + /* unreset_net_cache */ + netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val, + 4); + netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, + (val & 0xffffff0f)); + /* p2dn replyCount */ + netxen_crb_writelit_adapter(adapter, + NETXEN_CRB_PEG_NET_D + 0xec, 0x1e); + /* disable_peg_cache 0 */ + netxen_crb_writelit_adapter(adapter, + NETXEN_CRB_PEG_NET_D + 0x4c, 8); + /* disable_peg_cache 1 */ + netxen_crb_writelit_adapter(adapter, + NETXEN_CRB_PEG_NET_I + 0x4c, 8); + + /* peg_clr_all */ + + /* peg_clr 0 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, + 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, + 0); + /* peg_clr 1 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, + 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, + 0); + /* peg_clr 2 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, + 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, + 0); + /* peg_clr 3 */ + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, + 0); + netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, + 0); + } + return 0; +} + +void netxen_phantom_init(struct netxen_adapter *adapter) +{ + u32 val = 0; + int loops = 0; + + netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, &val, 4); + writel(1, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE)); + + if (0 == val) { + while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) { + udelay(100); + val = + readl(NETXEN_CRB_NORMALIZE + (adapter, CRB_CMDPEG_STATE)); + loops++; + } + if (val != PHAN_INITIALIZE_COMPLETE) + printk("WARNING: Initial boot wait loop failed...\n"); + } +} + +int netxen_nic_rx_has_work(struct netxen_adapter *adapter) +{ + int ctx; + + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + struct netxen_recv_context *recv_ctx = + &(adapter->recv_ctx[ctx]); + u32 consumer; + struct status_desc *desc_head; + struct status_desc *desc; /* used to read status desc here */ + + consumer = recv_ctx->status_rx_consumer; + desc_head = recv_ctx->rcv_status_desc_head; + desc = &desc_head[consumer]; + + if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) + return 1; + } + + return 0; +} + +void netxen_watchdog_task(unsigned long v) +{ + int port_num; + struct netxen_port *port; + struct net_device *netdev; + struct netxen_adapter *adapter = (struct netxen_adapter *)v; + + for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) { + port = adapter->port[port_num]; + netdev = port->netdev; + + if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) { + printk(KERN_INFO "%s port %d, %s carrier is now ok\n", + netxen_nic_driver_name, port_num, netdev->name); + netif_carrier_on(netdev); + } + + if (netif_queue_stopped(netdev)) + netif_wake_queue(netdev); + } + + netxen_nic_pci_change_crbwindow(adapter, 1); + + if (adapter->ops->handle_phy_intr) + adapter->ops->handle_phy_intr(adapter); + mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); +} + +/* + * netxen_process_rcv() send the received packet to the protocol stack. + * and if the number of receives exceeds RX_BUFFERS_REFILL, then we + * invoke the routine to send more rx buffers to the Phantom... + */ +void +netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, + struct status_desc *desc) +{ + struct netxen_port *port = adapter->port[STATUS_DESC_PORT(desc)]; + struct pci_dev *pdev = port->pdev; + struct net_device *netdev = port->netdev; + int index = le16_to_cpu(desc->reference_handle); + struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]); + struct netxen_rx_buffer *buffer; + struct sk_buff *skb; + u32 length = le16_to_cpu(desc->total_length); + u32 desc_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + int ret; + + desc_ctx = STATUS_DESC_TYPE(desc); + if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) { + printk("%s: %s Bad Rcv descriptor ring\n", + netxen_nic_driver_name, netdev->name); + return; + } + + rcv_desc = &recv_ctx->rcv_desc[desc_ctx]; + buffer = &rcv_desc->rx_buf_arr[index]; + + pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size, + PCI_DMA_FROMDEVICE); + + skb = (struct sk_buff *)buffer->skb; + + if (likely(STATUS_DESC_STATUS(desc) == STATUS_CKSUM_OK)) { + port->stats.csummed++; + skb->ip_summed = CHECKSUM_UNNECESSARY; + } else + skb->ip_summed = CHECKSUM_NONE; + skb->dev = netdev; + skb_put(skb, length); + skb->protocol = eth_type_trans(skb, netdev); + + ret = netif_receive_skb(skb); + + /* + * RH: Do we need these stats on a regular basis. Can we get it from + * Linux stats. + */ + switch (ret) { + case NET_RX_SUCCESS: + port->stats.uphappy++; + break; + + case NET_RX_CN_LOW: + port->stats.uplcong++; + break; + + case NET_RX_CN_MOD: + port->stats.upmcong++; + break; + + case NET_RX_CN_HIGH: + port->stats.uphcong++; + break; + + case NET_RX_DROP: + port->stats.updropped++; + break; + + default: + port->stats.updunno++; + break; + } + + netdev->last_rx = jiffies; + + rcv_desc->rcv_free++; + rcv_desc->rcv_pending--; + + /* + * We just consumed one buffer so post a buffer. + */ + adapter->stats.post_called++; + buffer->skb = NULL; + buffer->state = NETXEN_BUFFER_FREE; + + port->stats.no_rcv++; + port->stats.rxbytes += length; +} + +/* Process Receive status ring */ +u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) +{ + struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]); + struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; + struct status_desc *desc; /* used to read status desc here */ + u32 consumer = recv_ctx->status_rx_consumer; + int count = 0, ring; + + DPRINTK(INFO, "procesing receive\n"); + /* + * we assume in this case that there is only one port and that is + * port #1...changes need to be done in firmware to indicate port + * number as part of the descriptor. This way we will be able to get + * the netdev which is associated with that device. + */ + while (count < max) { + desc = &desc_head[consumer]; + if (!((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) { + DPRINTK(ERR, "desc %p ownedby %x\n", desc, desc->owner); + break; + } + netxen_process_rcv(adapter, ctxid, desc); + desc->owner = STATUS_OWNER_PHANTOM; + consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1); + count++; + } + if (count) { + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + netxen_post_rx_buffers(adapter, ctxid, ring); + } + } + + /* update the consumer index in phantom */ + if (count) { + adapter->stats.process_rcv++; + recv_ctx->status_rx_consumer = consumer; + + /* Window = 1 */ + writel(consumer, + NETXEN_CRB_NORMALIZE(adapter, + recv_crb_registers[ctxid]. + crb_rcv_status_consumer)); + } + + return count; +} + +/* Process Command status ring */ +void netxen_process_cmd_ring(unsigned long data) +{ + u32 last_consumer; + u32 consumer; + struct netxen_adapter *adapter = (struct netxen_adapter *)data; + int count = 0; + struct netxen_cmd_buffer *buffer; + struct netxen_port *port; /* port #1 */ + struct netxen_port *nport; + struct pci_dev *pdev; + struct netxen_skb_frag *frag; + u32 i; + struct sk_buff *skb = NULL; + int p; + + spin_lock(&adapter->tx_lock); + last_consumer = adapter->last_cmd_consumer; + DPRINTK(INFO, "procesing xmit complete\n"); + /* we assume in this case that there is only one port and that is + * port #1...changes need to be done in firmware to indicate port + * number as part of the descriptor. This way we will be able to get + * the netdev which is associated with that device. + */ + /* Window = 1 */ + consumer = + readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); + + if (last_consumer == consumer) { /* Ring is empty */ + DPRINTK(INFO, "last_consumer %d == consumer %d\n", + last_consumer, consumer); + spin_unlock(&adapter->tx_lock); + return; + } + + adapter->proc_cmd_buf_counter++; + adapter->stats.process_xmit++; + /* + * Not needed - does not seem to be used anywhere. + * adapter->cmd_consumer = consumer; + */ + spin_unlock(&adapter->tx_lock); + + while ((last_consumer != consumer) && (count < MAX_STATUS_HANDLE)) { + buffer = &adapter->cmd_buf_arr[last_consumer]; + port = adapter->port[buffer->port]; + pdev = port->pdev; + frag = &buffer->frag_array[0]; + skb = buffer->skb; + if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) { + pci_unmap_single(pdev, frag->dma, frag->length, + PCI_DMA_TODEVICE); + for (i = 1; i < buffer->frag_count; i++) { + DPRINTK(INFO, "getting fragment no %d\n", i); + frag++; /* Get the next frag */ + pci_unmap_page(pdev, frag->dma, frag->length, + PCI_DMA_TODEVICE); + } + + port->stats.skbfreed++; + dev_kfree_skb_any(skb); + skb = NULL; + } else if (adapter->proc_cmd_buf_counter == 1) { + port->stats.txnullskb++; + } + if (unlikely(netif_queue_stopped(port->netdev) + && netif_carrier_ok(port->netdev)) + && ((jiffies - port->netdev->trans_start) > + port->netdev->watchdog_timeo)) { + schedule_work(&port->adapter->tx_timeout_task); + } + + last_consumer = get_next_index(last_consumer, + adapter->max_tx_desc_count); + count++; + } + adapter->stats.noxmitdone += count; + + count = 0; + spin_lock(&adapter->tx_lock); + if ((--adapter->proc_cmd_buf_counter) == 0) { + adapter->last_cmd_consumer = last_consumer; + while ((adapter->last_cmd_consumer != consumer) + && (count < MAX_STATUS_HANDLE)) { + buffer = + &adapter->cmd_buf_arr[adapter->last_cmd_consumer]; + count++; + if (buffer->skb) + break; + else + adapter->last_cmd_consumer = + get_next_index(adapter->last_cmd_consumer, + adapter->max_tx_desc_count); + } + } + if (count) { + for (p = 0; p < adapter->ahw.max_ports; p++) { + nport = adapter->port[p]; + if (netif_queue_stopped(nport->netdev) + && (nport->flags & NETXEN_NETDEV_STATUS)) { + netif_wake_queue(nport->netdev); + nport->flags &= ~NETXEN_NETDEV_STATUS; + } + } + } + + spin_unlock(&adapter->tx_lock); + DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer, + __FUNCTION__); +} + +/* + * netxen_post_rx_buffers puts buffer in the Phantom memory + */ +void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) +{ + struct pci_dev *pdev = adapter->ahw.pdev; + struct sk_buff *skb; + struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); + struct netxen_rcv_desc_ctx *rcv_desc = NULL; + struct netxen_recv_crb *crbarea = &recv_crb_registers[ctx]; + struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; + u32 producer; + struct rcv_desc *pdesc; + struct netxen_rx_buffer *buffer; + int count = 0; + int index = 0; + + adapter->stats.post_called++; + rcv_desc = &recv_ctx->rcv_desc[ringid]; + rcv_desc_crb = &crbarea->rcv_desc_crb[ringid]; + + producer = rcv_desc->producer; + index = rcv_desc->begin_alloc; + buffer = &rcv_desc->rx_buf_arr[index]; + /* We can start writing rx descriptors into the phantom memory. */ + while (buffer->state == NETXEN_BUFFER_FREE) { + skb = dev_alloc_skb(rcv_desc->skb_size); + if (unlikely(!skb)) { + /* + * We need to schedule the posting of buffers to the pegs. + */ + rcv_desc->begin_alloc = index; + DPRINTK(ERR, "unm_post_rx_buffers: " + " allocated only %d buffers\n", count); + break; + } + count++; /* now there should be no failure */ + pdesc = &rcv_desc->desc_head[producer]; + skb_reserve(skb, NET_IP_ALIGN); + /* + * This will be setup when we receive the + * buffer after it has been filled + * skb->dev = netdev; + */ + buffer->skb = skb; + buffer->state = NETXEN_BUFFER_BUSY; + buffer->dma = pci_map_single(pdev, skb->data, + rcv_desc->dma_size, + PCI_DMA_FROMDEVICE); + /* make a rcv descriptor */ + pdesc->reference_handle = le16_to_cpu(buffer->ref_handle); + pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size); + pdesc->addr_buffer = cpu_to_le64(buffer->dma); + DPRINTK(INFO, "done writing descripter\n"); + producer = + get_next_index(producer, rcv_desc->max_rx_desc_count); + index = get_next_index(index, rcv_desc->max_rx_desc_count); + buffer = &rcv_desc->rx_buf_arr[index]; + } + + /* if we did allocate buffers, then write the count to Phantom */ + if (count) { + rcv_desc->begin_alloc = index; + rcv_desc->rcv_pending += count; + adapter->stats.lastposted = count; + adapter->stats.posted += count; + rcv_desc->producer = producer; + if (rcv_desc->rcv_free >= 32) { + rcv_desc->rcv_free = 0; + /* Window = 1 */ + writel((producer - 1) & + (rcv_desc->max_rx_desc_count - 1), + NETXEN_CRB_NORMALIZE(adapter, + rcv_desc_crb-> + crb_rcv_producer_offset)); + wmb(); + } + } +} + +int netxen_nic_tx_has_work(struct netxen_adapter *adapter) +{ + if (find_diff_among(adapter->last_cmd_consumer, + adapter->cmd_producer, + adapter->max_tx_desc_count) > 0) + return 1; + + return 0; +} + +int +netxen_nic_fill_statistics(struct netxen_adapter *adapter, + struct netxen_port *port, + struct netxen_statistics *netxen_stats) +{ + void __iomem *addr; + + if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + netxen_nic_pci_change_crbwindow(adapter, 0); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT, + &(netxen_stats->tx_bytes)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT, + &(netxen_stats->tx_packets)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT, + &(netxen_stats->rx_bytes)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT, + &(netxen_stats->rx_packets)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT, + &(netxen_stats->rx_errors)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT, + &(netxen_stats->rx_crc_errors)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR, + &(netxen_stats-> + rx_long_length_error)); + NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR, + &(netxen_stats-> + rx_short_length_error)); + + netxen_nic_pci_change_crbwindow(adapter, 1); + } else { + spin_lock_bh(&adapter->tx_lock); + netxen_stats->tx_bytes = port->stats.txbytes; + netxen_stats->tx_packets = port->stats.xmitedframes + + port->stats.xmitfinished; + netxen_stats->rx_bytes = port->stats.rxbytes; + netxen_stats->rx_packets = port->stats.no_rcv; + netxen_stats->rx_errors = port->stats.rcvdbadskb; + netxen_stats->tx_errors = port->stats.nocmddescriptor; + netxen_stats->rx_short_length_error = port->stats.uplcong; + netxen_stats->rx_long_length_error = port->stats.uphcong; + netxen_stats->rx_crc_errors = 0; + netxen_stats->rx_mac_errors = 0; + spin_unlock_bh(&adapter->tx_lock); + } + return 0; +} + +void netxen_nic_clear_stats(struct netxen_adapter *adapter) +{ + struct netxen_port *port; + int port_num; + + memset(&adapter->stats, 0, sizeof(adapter->stats)); + for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) { + port = adapter->port[port_num]; + memset(&port->stats, 0, sizeof(port->stats)); + } +} + +int +netxen_nic_clear_statistics(struct netxen_adapter *adapter, + struct netxen_port *port) +{ + int data = 0; + + netxen_nic_pci_change_crbwindow(adapter, 0); + + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT, + &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT, + &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT, + &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT, + &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR, + &data); + netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR, + &data); + + netxen_nic_pci_change_crbwindow(adapter, 1); + netxen_nic_clear_stats(adapter); + return 0; +} + +int +netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, + struct netxen_port *port) +{ + struct netxen_nic_ioctl_data data; + struct netxen_nic_ioctl_data *up_data; + int retval = 0; + struct netxen_statistics netxen_stats; + + up_data = (void *)u_data; + + DPRINTK(INFO, "doing ioctl for %p\n", adapter); + if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) { + /* evil user tried to crash the kernel */ + DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data)); + retval = -EFAULT; + goto error_out; + } + + /* Shouldn't access beyond legal limits of "char u[64];" member */ + if (!data.ptr && (data.size > sizeof(data.u))) { + /* evil user tried to crash the kernel */ + DPRINTK(ERR, "bad size: %d\n", data.size); + retval = -EFAULT; + goto error_out; + } + + switch (data.cmd) { + case netxen_nic_cmd_pci_read: + if ((retval = netxen_nic_hw_read_wx(adapter, data.off, + &(data.u), data.size))) + goto error_out; + if (copy_to_user + ((void __user *)&(up_data->u), &(data.u), data.size)) { + DPRINTK(ERR, "bad copy to userland: %d\n", + (int)sizeof(data)); + retval = -EFAULT; + goto error_out; + } + data.rv = 0; + break; + + case netxen_nic_cmd_pci_write: + data.rv = netxen_nic_hw_write_wx(adapter, data.off, &(data.u), + data.size); + break; + + case netxen_nic_cmd_pci_config_read: + switch (data.size) { + case 1: + data.rv = pci_read_config_byte(adapter->ahw.pdev, + data.off, + (char *)&(data.u)); + break; + case 2: + data.rv = pci_read_config_word(adapter->ahw.pdev, + data.off, + (short *)&(data.u)); + break; + case 4: + data.rv = pci_read_config_dword(adapter->ahw.pdev, + data.off, + (u32 *) & (data.u)); + break; + } + if (copy_to_user + ((void __user *)&(up_data->u), &(data.u), data.size)) { + DPRINTK(ERR, "bad copy to userland: %d\n", + (int)sizeof(data)); + retval = -EFAULT; + goto error_out; + } + break; + + case netxen_nic_cmd_pci_config_write: + switch (data.size) { + case 1: + data.rv = pci_write_config_byte(adapter->ahw.pdev, + data.off, + *(char *)&(data.u)); + break; + case 2: + data.rv = pci_write_config_word(adapter->ahw.pdev, + data.off, + *(short *)&(data.u)); + break; + case 4: + data.rv = pci_write_config_dword(adapter->ahw.pdev, + data.off, + *(u32 *) & (data.u)); + break; + } + break; + + case netxen_nic_cmd_get_stats: + data.rv = + netxen_nic_fill_statistics(adapter, port, &netxen_stats); + if (copy_to_user + ((void __user *)(up_data->ptr), (void *)&netxen_stats, + sizeof(struct netxen_statistics))) { + DPRINTK(ERR, "bad copy to userland: %d\n", + (int)sizeof(netxen_stats)); + retval = -EFAULT; + goto error_out; + } + up_data->rv = data.rv; + break; + + case netxen_nic_cmd_clear_stats: + data.rv = netxen_nic_clear_statistics(adapter, port); + up_data->rv = data.rv; + break; + + case netxen_nic_cmd_get_version: + if (copy_to_user + ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID, + sizeof(NETXEN_NIC_LINUX_VERSIONID))) { + DPRINTK(ERR, "bad copy to userland: %d\n", + (int)sizeof(data)); + retval = -EFAULT; + goto error_out; + } + break; + + default: + DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter); + retval = -EOPNOTSUPP; + goto error_out; + } + put_user(data.rv, (u16 __user *) (&(up_data->rv))); + DPRINTK(INFO, "done ioctl for %p well.\n", adapter); + + error_out: + return retval; +} diff --git a/drivers/net/netxen/netxen_nic_ioctl.h b/drivers/net/netxen/netxen_nic_ioctl.h new file mode 100644 index 00000000000..806818eb963 --- /dev/null +++ b/drivers/net/netxen/netxen_nic_ioctl.h @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + */ + +#ifndef __NETXEN_NIC_IOCTL_H__ +#define __NETXEN_NIC_IOCTL_H__ + +#include + +#define NETXEN_CMD_START SIOCDEVPRIVATE +#define NETXEN_NIC_CMD (NETXEN_CMD_START + 1) +#define NETXEN_NIC_NAME (NETXEN_CMD_START + 2) + +typedef enum { + netxen_nic_cmd_none = 0, + netxen_nic_cmd_pci_read, + netxen_nic_cmd_pci_write, + netxen_nic_cmd_pci_mem_read, + netxen_nic_cmd_pci_mem_write, + netxen_nic_cmd_pci_config_read, + netxen_nic_cmd_pci_config_write, + netxen_nic_cmd_get_stats, + netxen_nic_cmd_clear_stats, + netxen_nic_cmd_get_version +} netxen_nic_ioctl_cmd_t; + +struct netxen_nic_ioctl_data { + u32 cmd; + u32 unused1; + u64 off; + u32 size; + u32 rv; + char u[64]; + void *ptr; +}; + +struct netxen_statistics { + u64 rx_packets; + u64 tx_packets; + u64 rx_bytes; + u64 rx_errors; + u64 tx_bytes; + u64 tx_errors; + u64 rx_crc_errors; + u64 rx_short_length_error; + u64 rx_long_length_error; + u64 rx_mac_errors; +}; + +#endif /* __NETXEN_NIC_IOCTL_H_ */ diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c new file mode 100644 index 00000000000..f1c3e5af03a --- /dev/null +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -0,0 +1,221 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + */ + +#include +#include + +#include "netxen_nic.h" +#include "netxen_nic_hw.h" +#include "netxen_nic_phan_reg.h" + +/* + * netxen_nic_get_stats - Get System Network Statistics + * @netdev: network interface device structure + */ +struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct net_device_stats *stats = &port->net_stats; + + memset(stats, 0, sizeof(*stats)); + + /* total packets received */ + stats->rx_packets = port->stats.no_rcv; + /* total packets transmitted */ + stats->tx_packets = port->stats.xmitedframes + port->stats.xmitfinished; + /* total bytes received */ + stats->rx_bytes = port->stats.rxbytes; + /* total bytes transmitted */ + stats->tx_bytes = port->stats.txbytes; + /* bad packets received */ + stats->rx_errors = port->stats.rcvdbadskb; + /* packet transmit problems */ + stats->tx_errors = port->stats.nocmddescriptor; + /* no space in linux buffers */ + stats->rx_dropped = port->stats.updropped; + /* no space available in linux */ + stats->tx_dropped = port->stats.txdropped; + + return stats; +} + +void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 portno, + u32 link) +{ + struct netxen_port *pport = adapter->port[portno]; + struct net_device *netdev = pport->netdev; + + if (link) + netif_carrier_on(netdev); + else + netif_carrier_off(netdev); +} + +void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno, + u32 enable) +{ + __le32 int_src; + struct netxen_port *port; + + /* This should clear the interrupt source */ + if (adapter->ops->phy_read) + adapter->ops->phy_read(adapter, portno, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, + &int_src); + if (int_src == 0) { + DPRINTK(INFO, "No phy interrupts for port #%d\n", portno); + return; + } + if (adapter->ops->disable_phy_interrupts) + adapter->ops->disable_phy_interrupts(adapter, portno); + + port = adapter->port[portno]; + + if (netxen_get_phy_int_jabber(int_src)) + DPRINTK(INFO, "NetXen: %s Jabber interrupt \n", + port->netdev->name); + + if (netxen_get_phy_int_polarity_changed(int_src)) + DPRINTK(INFO, "NetXen: %s POLARITY CHANGED int \n", + port->netdev->name); + + if (netxen_get_phy_int_energy_detect(int_src)) + DPRINTK(INFO, "NetXen: %s ENERGY DETECT INT \n", + port->netdev->name); + + if (netxen_get_phy_int_downshift(int_src)) + DPRINTK(INFO, "NetXen: %s DOWNSHIFT INT \n", + port->netdev->name); + /* write it down later.. */ + if ((netxen_get_phy_int_speed_changed(int_src)) + || (netxen_get_phy_int_link_status_changed(int_src))) { + __le32 status; + + DPRINTK(INFO, "NetXen: %s SPEED CHANGED OR" + " LINK STATUS CHANGED \n", port->netdev->name); + + if (adapter->ops->phy_read + && adapter->ops->phy_read(adapter, portno, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) == 0) { + if (netxen_get_phy_int_link_status_changed(int_src)) { + if (netxen_get_phy_link(status)) { + netxen_niu_gbe_init_port(adapter, + portno); + printk("%s: %s Link UP\n", + netxen_nic_driver_name, + port->netdev->name); + + } else { + printk("%s: %s Link DOWN\n", + netxen_nic_driver_name, + port->netdev->name); + } + netxen_indicate_link_status(adapter, portno, + netxen_get_phy_link + (status)); + } + } + } + if (adapter->ops->enable_phy_interrupts) + adapter->ops->enable_phy_interrupts(adapter, portno); +} + +void netxen_nic_isr_other(struct netxen_adapter *adapter) +{ + u32 enable, portno; + u32 i2qhi; + + /* + * bit 3 is for i2qInt, if high its enabled + * check for phy interrupts + * read vector and check for bit 45 for phy + * clear int by writing the same value into ISR_INT_VECTOR REG + */ + + DPRINTK(INFO, "I2Q is the source of INT \n"); + + /* verify the offset */ + i2qhi = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI)); + + DPRINTK(INFO, "isr NETXEN_I2Q_CLR_PCI_HI = 0x%x \n", i2qhi); + + if (i2qhi & 0x4000) { + for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) { + DPRINTK(INFO, "External PHY interrupt ON PORT %d\n", + portno); + + enable = 1; + netxen_handle_port_int(adapter, portno, enable); + } + + /* Clear the interrupt on I2Q */ + writel((u32) i2qhi, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI)); + + } +} + +void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter) +{ + u32 val; + val = readl(NETXEN_CRB_NORMALIZE(adapter, ISR_INT_VECTOR)); + if (val & 0x4) { + adapter->stats.otherints++; + netxen_nic_isr_other(adapter); + } +} + +void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter) +{ + struct net_device *netdev = adapter->port[0]->netdev; + u32 val; + + /* WINDOW = 1 */ + val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); + + if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) { + printk(KERN_INFO "%s: %s NIC Link is down\n", + netxen_nic_driver_name, netdev->name); + adapter->ahw.xg_linkup = 0; + /* read twice to clear sticky bits */ + /* WINDOW = 0 */ + netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val); + netxen_nic_read_w0(adapter, NETXEN_NIU_XG_STATUS, &val); + + if ((val & 0xffb) != 0xffb) { + printk(KERN_INFO "%s ISR: Sync/Align BAD: 0x%08x\n", + netxen_nic_driver_name, val); + } + } else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) { + printk(KERN_INFO "%s: %s NIC Link is up\n", + netxen_nic_driver_name, netdev->name); + adapter->ahw.xg_linkup = 1; + } +} diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c new file mode 100644 index 00000000000..b54ea164e0e --- /dev/null +++ b/drivers/net/netxen/netxen_nic_main.c @@ -0,0 +1,1116 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * Main source file for NetXen NIC Driver on Linux + * + */ + +#include "netxen_nic_hw.h" + +#include "netxen_nic.h" +#define DEFINE_GLOBAL_RECV_CRB +#include "netxen_nic_phan_reg.h" +#include "netxen_nic_ioctl.h" + +MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); + +char netxen_nic_driver_name[] = "netxen"; +static char netxen_nic_driver_string[] = "NetXen Network Driver version " + NETXEN_NIC_LINUX_VERSIONID "-" NETXEN_NIC_BUILD_NO; + +#define NETXEN_NETDEV_WEIGHT 120 +#define NETXEN_ADAPTER_UP_MAGIC 777 + +/* Local functions to NetXen NIC driver */ +static int __devinit netxen_nic_probe(struct pci_dev *pdev, + const struct pci_device_id *ent); +static void __devexit netxen_nic_remove(struct pci_dev *pdev); +static int netxen_nic_open(struct net_device *netdev); +static int netxen_nic_close(struct net_device *netdev); +static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *); +static void netxen_tx_timeout(struct net_device *netdev); +static void netxen_tx_timeout_task(struct net_device *netdev); +static void netxen_watchdog(unsigned long); +static int netxen_handle_int(struct netxen_adapter *, struct net_device *); +static int netxen_nic_ioctl(struct net_device *netdev, + struct ifreq *ifr, int cmd); +static int netxen_nic_poll(struct net_device *dev, int *budget); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void netxen_nic_poll_controller(struct net_device *netdev); +#endif +static irqreturn_t netxen_intr(int irq, void *data, struct pt_regs *regs); + +/* PCI Device ID Table */ +static struct pci_device_id netxen_pci_tbl[] __devinitdata = { + {PCI_DEVICE(0x4040, 0x0001)}, + {PCI_DEVICE(0x4040, 0x0002)}, + {PCI_DEVICE(0x4040, 0x0003)}, + {PCI_DEVICE(0x4040, 0x0004)}, + {PCI_DEVICE(0x4040, 0x0005)}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); + +/* + * netxen_nic_probe() + * + * The Linux system will invoke this after identifying the vendor ID and + * device Id in the pci_tbl supported by this module. + * + * A quad port card has one operational PCI config space, (function 0), + * which is used to access all four ports. + * + * This routine will initialize the adapter, and setup the global parameters + * along with the port's specific structure. + */ +static int __devinit +netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct net_device *netdev = NULL; + struct netxen_adapter *adapter = NULL; + struct netxen_port *port = NULL; + u8 __iomem *mem_ptr = NULL; + unsigned long mem_base, mem_len; + int pci_using_dac, i, err; + int ring; + struct netxen_recv_context *recv_ctx = NULL; + struct netxen_rcv_desc_ctx *rcv_desc = NULL; + struct netxen_cmd_buffer *cmd_buf_arr = NULL; + u64 mac_addr[FLASH_NUM_PORTS + 1]; + int valid_mac; + + if ((err = pci_enable_device(pdev))) + return err; + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + err = -ENODEV; + goto err_out_disable_pdev; + } + + if ((err = pci_request_regions(pdev, netxen_nic_driver_name))) + goto err_out_disable_pdev; + + pci_set_master(pdev); + if ((pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) && + (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) == 0)) + pci_using_dac = 1; + else { + if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) || + (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) + goto err_out_free_res; + + pci_using_dac = 0; + } + + /* remap phys address */ + mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ + mem_len = pci_resource_len(pdev, 0); + + /* 128 Meg of memory */ + mem_ptr = ioremap(mem_base, NETXEN_PCI_MAPSIZE_BYTES); + if (mem_ptr == 0UL) { + printk(KERN_ERR "%s: Cannot ioremap adapter memory aborting." + ":%p\n", netxen_nic_driver_name, mem_ptr); + err = -EIO; + goto err_out_free_res; + } + +/* + * Allocate a adapter structure which will manage all the initialization + * as well as the common resources for all ports... + * all the ports will have pointer to this adapter as well as Adapter + * will have pointers of all the ports structures. + */ + + /* One adapter structure for all 4 ports.... */ + adapter = kzalloc(sizeof(struct netxen_adapter), GFP_KERNEL); + if (adapter == NULL) { + printk(KERN_ERR "%s: Could not allocate adapter memory:%d\n", + netxen_nic_driver_name, + (int)sizeof(struct netxen_adapter)); + err = -ENOMEM; + goto err_out_iounmap; + } + + adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS; + adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS; + adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; + + pci_set_drvdata(pdev, adapter); + + cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); + if (cmd_buf_arr == NULL) { + err = -ENOMEM; + goto err_out_free_adapter; + } + memset(cmd_buf_arr, 0, TX_RINGSIZE); + + for (i = 0; i < MAX_RCV_CTX; ++i) { + recv_ctx = &adapter->recv_ctx[i]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + switch (RCV_DESC_TYPE(ring)) { + case RCV_DESC_NORMAL: + rcv_desc->max_rx_desc_count = + adapter->max_rx_desc_count; + rcv_desc->flags = RCV_DESC_NORMAL; + rcv_desc->dma_size = RX_DMA_MAP_LEN; + rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH; + break; + + case RCV_DESC_JUMBO: + rcv_desc->max_rx_desc_count = + adapter->max_jumbo_rx_desc_count; + rcv_desc->flags = RCV_DESC_JUMBO; + rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN; + rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH; + break; + + } + rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) + vmalloc(RCV_BUFFSIZE); + + if (rcv_desc->rx_buf_arr == NULL) { + err = -ENOMEM; + goto err_out_free_rx_buffer; + } + memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE); + } + + } + + adapter->ops = kzalloc(sizeof(struct netxen_drvops), GFP_KERNEL); + if (adapter->ops == NULL) { + printk(KERN_ERR + "%s: Could not allocate memory for adapter->ops:%d\n", + netxen_nic_driver_name, + (int)sizeof(struct netxen_adapter)); + err = -ENOMEM; + goto err_out_free_rx_buffer; + } + + adapter->cmd_buf_arr = cmd_buf_arr; + adapter->ahw.pci_base = mem_ptr; + spin_lock_init(&adapter->tx_lock); + spin_lock_init(&adapter->lock); + /* initialize the buffers in adapter */ + netxen_initialize_adapter_sw(adapter); + /* + * Set the CRB window to invalid. If any register in window 0 is + * accessed it should set the window to 0 and then reset it to 1. + */ + adapter->curr_window = 255; + /* + * Adapter in our case is quad port so initialize it before + * initializing the ports + */ + netxen_initialize_adapter_hw(adapter); /* initialize the adapter */ + + netxen_initialize_adapter_ops(adapter); + + init_timer(&adapter->watchdog_timer); + adapter->ahw.xg_linkup = 0; + adapter->watchdog_timer.function = &netxen_watchdog; + adapter->watchdog_timer.data = (unsigned long)adapter; + INIT_WORK(&adapter->watchdog_task, + (void (*)(void *))netxen_watchdog_task, adapter); + adapter->ahw.pdev = pdev; + adapter->proc_cmd_buf_counter = 0; + pci_read_config_byte(pdev, PCI_REVISION_ID, &adapter->ahw.revision_id); + + if (pci_enable_msi(pdev)) { + adapter->flags &= ~NETXEN_NIC_MSI_ENABLED; + printk(KERN_WARNING "%s: unable to allocate MSI interrupt" + " error\n", netxen_nic_driver_name); + } else + adapter->flags |= NETXEN_NIC_MSI_ENABLED; + + if (netxen_is_flash_supported(adapter) == 0 && + netxen_get_flash_mac_addr(adapter, mac_addr) == 0) + valid_mac = 1; + else + valid_mac = 0; + + /* initialize the all the ports */ + + for (i = 0; i < adapter->ahw.max_ports; i++) { + netdev = alloc_etherdev(sizeof(struct netxen_port)); + if (!netdev) { + printk(KERN_ERR "%s: could not allocate netdev for port" + " %d\n", netxen_nic_driver_name, i + 1); + goto err_out_free_dev; + } + + SET_MODULE_OWNER(netdev); + + port = netdev_priv(netdev); + port->netdev = netdev; + port->pdev = pdev; + port->adapter = adapter; + port->portnum = i; /* Gigabit port number from 0-3 */ + + netdev->open = netxen_nic_open; + netdev->stop = netxen_nic_close; + netdev->hard_start_xmit = netxen_nic_xmit_frame; + netdev->get_stats = netxen_nic_get_stats; + netdev->set_multicast_list = netxen_nic_set_multi; + netdev->set_mac_address = netxen_nic_set_mac; + netdev->change_mtu = netxen_nic_change_mtu; + netdev->do_ioctl = netxen_nic_ioctl; + netdev->tx_timeout = netxen_tx_timeout; + netdev->watchdog_timeo = HZ; + + SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); + netdev->poll = netxen_nic_poll; + netdev->weight = NETXEN_NETDEV_WEIGHT; +#ifdef CONFIG_NET_POLL_CONTROLLER + netdev->poll_controller = netxen_nic_poll_controller; +#endif + /* ScatterGather support */ + netdev->features = NETIF_F_SG; + netdev->features |= NETIF_F_IP_CSUM; + netdev->features |= NETIF_F_TSO; + + if (pci_using_dac) + netdev->features |= NETIF_F_HIGHDMA; + + if (valid_mac) { + unsigned char *p = (unsigned char *)&mac_addr[i]; + netdev->dev_addr[0] = *(p + 5); + netdev->dev_addr[1] = *(p + 4); + netdev->dev_addr[2] = *(p + 3); + netdev->dev_addr[3] = *(p + 2); + netdev->dev_addr[4] = *(p + 1); + netdev->dev_addr[5] = *(p + 0); + + memcpy(netdev->perm_addr, netdev->dev_addr, + netdev->addr_len); + if (!is_valid_ether_addr(netdev->perm_addr)) { + printk(KERN_ERR "%s: Bad MAC address " + "%02x:%02x:%02x:%02x:%02x:%02x.\n", + netxen_nic_driver_name, + netdev->dev_addr[0], + netdev->dev_addr[1], + netdev->dev_addr[2], + netdev->dev_addr[3], + netdev->dev_addr[4], + netdev->dev_addr[5]); + } else { + if (adapter->ops->macaddr_set) + adapter->ops->macaddr_set(port, + netdev-> + dev_addr); + } + } + INIT_WORK(&adapter->tx_timeout_task, + (void (*)(void *))netxen_tx_timeout_task, netdev); + netif_carrier_off(netdev); + netif_stop_queue(netdev); + + if ((err = register_netdev(netdev))) { + printk(KERN_ERR "%s: register_netdev failed port #%d" + " aborting\n", netxen_nic_driver_name, i + 1); + err = -EIO; + free_netdev(netdev); + goto err_out_free_dev; + } + adapter->port_count++; + adapter->active_ports = 0; + adapter->port[i] = port; + } + + /* + * Initialize all the CRB registers here. + */ + /* Window = 1 */ + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET)); + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + + netxen_phantom_init(adapter); + /* + * delay a while to ensure that the Pegs are up & running. + * Otherwise, we might see some flaky behaviour. + */ + udelay(100); + + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + printk("%s: QUAD GbE board initialized\n", + netxen_nic_driver_name); + break; + + case NETXEN_NIC_XGBE: + printk("%s: XGbE board initialized\n", netxen_nic_driver_name); + break; + } + + adapter->driver_mismatch = 0; + + return 0; + + err_out_free_dev: + if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + pci_disable_msi(pdev); + for (i = 0; i < adapter->port_count; i++) { + port = adapter->port[i]; + if ((port) && (port->netdev)) { + unregister_netdev(port->netdev); + free_netdev(port->netdev); + } + } + kfree(adapter->ops); + + err_out_free_rx_buffer: + for (i = 0; i < MAX_RCV_CTX; ++i) { + recv_ctx = &adapter->recv_ctx[i]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + if (rcv_desc->rx_buf_arr != NULL) { + vfree(rcv_desc->rx_buf_arr); + rcv_desc->rx_buf_arr = NULL; + } + } + } + + vfree(cmd_buf_arr); + + kfree(adapter->port); + + err_out_free_adapter: + pci_set_drvdata(pdev, NULL); + kfree(adapter); + + err_out_iounmap: + iounmap(mem_ptr); + err_out_free_res: + pci_release_regions(pdev); + err_out_disable_pdev: + pci_disable_device(pdev); + return err; +} + +static void __devexit netxen_nic_remove(struct pci_dev *pdev) +{ + struct netxen_adapter *adapter; + struct netxen_port *port; + struct netxen_rx_buffer *buffer; + struct netxen_recv_context *recv_ctx; + struct netxen_rcv_desc_ctx *rcv_desc; + int i; + int ctxid, ring; + + adapter = pci_get_drvdata(pdev); + if (adapter == NULL) + return; + + netxen_nic_stop_all_ports(adapter); + /* leave the hw in the same state as reboot */ + netxen_pinit_from_rom(adapter, 0); + udelay(500); + netxen_load_firmware(adapter); + + if ((adapter->flags & NETXEN_NIC_MSI_ENABLED)) + netxen_nic_disable_int(adapter); + + udelay(500); /* Delay for a while to drain the DMA engines */ + for (i = 0; i < adapter->port_count; i++) { + port = adapter->port[i]; + if ((port) && (port->netdev)) { + unregister_netdev(port->netdev); + free_netdev(port->netdev); + } + } + + if ((adapter->flags & NETXEN_NIC_MSI_ENABLED)) + pci_disable_msi(pdev); + pci_set_drvdata(pdev, NULL); + if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) + netxen_free_hw_resources(adapter); + + iounmap(adapter->ahw.pci_base); + + pci_release_regions(pdev); + pci_disable_device(pdev); + + for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) { + recv_ctx = &adapter->recv_ctx[ctxid]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = &recv_ctx->rcv_desc[ring]; + for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) { + buffer = &(rcv_desc->rx_buf_arr[i]); + if (buffer->state == NETXEN_BUFFER_FREE) + continue; + pci_unmap_single(pdev, buffer->dma, + rcv_desc->dma_size, + PCI_DMA_FROMDEVICE); + if (buffer->skb != NULL) + dev_kfree_skb_any(buffer->skb); + } + vfree(rcv_desc->rx_buf_arr); + } + } + + vfree(adapter->cmd_buf_arr); + kfree(adapter->ops); + kfree(adapter); +} + +/* + * Called when a network interface is made active + * @returns 0 on success, negative value on failure + */ +static int netxen_nic_open(struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + struct netxen_rcv_desc_ctx *rcv_desc; + int err = 0; + int ctx, ring; + + if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { + err = netxen_init_firmware(adapter); + if (err != 0) { + printk(KERN_ERR "Failed to init firmware\n"); + return -EIO; + } + netxen_nic_flash_print(adapter); + + /* setup all the resources for the Phantom... */ + /* this include the descriptors for rcv, tx, and status */ + netxen_nic_clear_stats(adapter); + err = netxen_nic_hw_resources(adapter); + if (err) { + printk(KERN_ERR "Error in setting hw resources:%d\n", + err); + return err; + } + if (adapter->ops->init_port + && adapter->ops->init_port(adapter, port->portnum) != 0) { + printk(KERN_ERR "%s: Failed to initialize port %d\n", + netxen_nic_driver_name, port->portnum); + netxen_free_hw_resources(adapter); + return -EIO; + } + if (adapter->ops->init_niu) + adapter->ops->init_niu(adapter); + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { + rcv_desc = + &adapter->recv_ctx[ctx].rcv_desc[ring]; + netxen_post_rx_buffers(adapter, ctx, ring); + } + } + adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; + } + adapter->active_ports++; + if (adapter->active_ports == 1) { + err = request_irq(adapter->ahw.pdev->irq, &netxen_intr, + SA_SHIRQ | SA_SAMPLE_RANDOM, netdev->name, + adapter); + if (err) { + printk(KERN_ERR "request_irq failed with: %d\n", err); + adapter->active_ports--; + return err; + } + adapter->irq = adapter->ahw.pdev->irq; + if (!adapter->driver_mismatch) + mod_timer(&adapter->watchdog_timer, jiffies); + + netxen_nic_enable_int(adapter); + } + + /* Done here again so that even if phantom sw overwrote it, + * we set it */ + if (adapter->ops->macaddr_set) + adapter->ops->macaddr_set(port, netdev->dev_addr); + netxen_nic_set_link_parameters(port); + + netxen_nic_set_multi(netdev); + if (!adapter->driver_mismatch) + netif_start_queue(netdev); + + return 0; +} + +/* + * netxen_nic_close - Disables a network interface entry point + */ +static int netxen_nic_close(struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + int i, j; + struct netxen_cmd_buffer *cmd_buff; + struct netxen_skb_frag *buffrag; + + netif_carrier_off(netdev); + netif_stop_queue(netdev); + + /* disable phy_ints */ + if (adapter->ops->disable_phy_interrupts) + adapter->ops->disable_phy_interrupts(adapter, port->portnum); + + adapter->active_ports--; + + if (!adapter->active_ports) { + netxen_nic_disable_int(adapter); + if (adapter->irq) + free_irq(adapter->irq, adapter); + cmd_buff = adapter->cmd_buf_arr; + for (i = 0; i < adapter->max_tx_desc_count; i++) { + buffrag = cmd_buff->frag_array; + if (buffrag->dma) { + pci_unmap_single(port->pdev, buffrag->dma, + buffrag->length, + PCI_DMA_TODEVICE); + buffrag->dma = (u64) NULL; + } + for (j = 0; j < cmd_buff->frag_count; j++) { + buffrag++; + if (buffrag->dma) { + pci_unmap_page(port->pdev, + buffrag->dma, + buffrag->length, + PCI_DMA_TODEVICE); + buffrag->dma = (u64) NULL; + } + } + /* Free the skb we received in netxen_nic_xmit_frame */ + if (cmd_buff->skb) { + dev_kfree_skb_any(cmd_buff->skb); + cmd_buff->skb = NULL; + } + cmd_buff++; + } + del_timer_sync(&adapter->watchdog_timer); + } + + return 0; +} + +static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + struct netxen_hardware_context *hw = &adapter->ahw; + unsigned int first_seg_len = skb->len - skb->data_len; + struct netxen_skb_frag *buffrag; + unsigned int i; + + u32 producer = 0; + u32 saved_producer = 0; + struct cmd_desc_type0 *hwdesc; + int k; + struct netxen_cmd_buffer *pbuf = NULL; + unsigned int tries = 0; + static int dropped_packet = 0; + int frag_count; + u32 local_producer = 0; + u32 max_tx_desc_count = 0; + u32 last_cmd_consumer = 0; + int no_of_desc; + + port->stats.xmitcalled++; + frag_count = skb_shinfo(skb)->nr_frags + 1; + + if (unlikely(skb->len <= 0)) { + dev_kfree_skb_any(skb); + port->stats.badskblen++; + return NETDEV_TX_OK; + } + + if (frag_count > MAX_BUFFERS_PER_CMD) { + printk("%s: %s netxen_nic_xmit_frame: frag_count (%d)" + "too large, can handle only %d frags\n", + netxen_nic_driver_name, netdev->name, + frag_count, MAX_BUFFERS_PER_CMD); + port->stats.txdropped++; + if ((++dropped_packet & 0xff) == 0xff) + printk("%s: %s droppped packets = %d\n", + netxen_nic_driver_name, netdev->name, + dropped_packet); + + return NETDEV_TX_OK; + } + + /* + * Everything is set up. Now, we just need to transmit it out. + * Note that we have to copy the contents of buffer over to + * right place. Later on, this can be optimized out by de-coupling the + * producer index from the buffer index. + */ + retry_getting_window: + spin_lock_bh(&adapter->tx_lock); + if (adapter->total_threads == MAX_XMIT_PRODUCERS) { + spin_unlock_bh(&adapter->tx_lock); + /* + * Yield CPU + */ + if (!in_atomic()) + schedule(); + else { + for (i = 0; i < 20; i++) + cpu_relax(); /*This a nop instr on i386 */ + } + goto retry_getting_window; + } + local_producer = adapter->cmd_producer; + /* There 4 fragments per descriptor */ + no_of_desc = (frag_count + 3) >> 2; + if (skb_shinfo(skb)->gso_size > 0) { + no_of_desc++; + if (((skb->nh.iph)->ihl * sizeof(u32)) + + ((skb->h.th)->doff * sizeof(u32)) + + sizeof(struct ethhdr) > + (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { + no_of_desc++; + } + } + k = adapter->cmd_producer; + max_tx_desc_count = adapter->max_tx_desc_count; + last_cmd_consumer = adapter->last_cmd_consumer; + if ((k + no_of_desc) >= + ((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count : + last_cmd_consumer)) { + spin_unlock_bh(&adapter->tx_lock); + if (tries == 0) { + local_bh_disable(); + netxen_process_cmd_ring((unsigned long)adapter); + local_bh_enable(); + ++tries; + goto retry_getting_window; + } else { + port->stats.nocmddescriptor++; + DPRINTK(ERR, "No command descriptors available," + " producer = %d, consumer = %d count=%llu," + " dropping packet\n", producer, + adapter->last_cmd_consumer, + port->stats.nocmddescriptor); + + spin_lock_bh(&adapter->tx_lock); + netif_stop_queue(netdev); + port->flags |= NETXEN_NETDEV_STATUS; + spin_unlock_bh(&adapter->tx_lock); + return NETDEV_TX_BUSY; + } + } + k = get_index_range(k, max_tx_desc_count, no_of_desc); + adapter->cmd_producer = k; + adapter->total_threads++; + adapter->num_threads++; + + spin_unlock_bh(&adapter->tx_lock); + /* Copy the descriptors into the hardware */ + producer = local_producer; + saved_producer = producer; + hwdesc = &hw->cmd_desc_head[producer]; + memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); + /* Take skb->data itself */ + pbuf = &adapter->cmd_buf_arr[producer]; + if (skb_shinfo(skb)->gso_size > 0) { + pbuf->mss = skb_shinfo(skb)->gso_size; + hwdesc->mss = skb_shinfo(skb)->gso_size; + } else { + pbuf->mss = 0; + hwdesc->mss = 0; + } + pbuf->no_of_descriptors = no_of_desc; + pbuf->total_length = skb->len; + pbuf->skb = skb; + pbuf->cmd = TX_ETHER_PKT; + pbuf->frag_count = frag_count; + pbuf->port = port->portnum; + buffrag = &pbuf->frag_array[0]; + buffrag->dma = pci_map_single(port->pdev, skb->data, first_seg_len, + PCI_DMA_TODEVICE); + buffrag->length = first_seg_len; + CMD_DESC_TOTAL_LENGTH_WRT(hwdesc, skb->len); + hwdesc->num_of_buffers = frag_count; + hwdesc->opcode = TX_ETHER_PKT; + + CMD_DESC_PORT_WRT(hwdesc, port->portnum); + hwdesc->buffer1_length = cpu_to_le16(first_seg_len); + hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); + + for (i = 1, k = 1; i < frag_count; i++, k++) { + struct skb_frag_struct *frag; + int len, temp_len; + unsigned long offset; + dma_addr_t temp_dma; + + /* move to next desc. if there is a need */ + if ((i & 0x3) == 0) { + k = 0; + producer = get_next_index(producer, + adapter->max_tx_desc_count); + hwdesc = &hw->cmd_desc_head[producer]; + memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); + } + frag = &skb_shinfo(skb)->frags[i - 1]; + len = frag->size; + offset = frag->page_offset; + + temp_len = len; + temp_dma = pci_map_page(port->pdev, frag->page, offset, + len, PCI_DMA_TODEVICE); + + buffrag++; + buffrag->dma = temp_dma; + buffrag->length = temp_len; + + DPRINTK(INFO, "for loop. i=%d k=%d\n", i, k); + switch (k) { + case 0: + hwdesc->buffer1_length = cpu_to_le16(temp_len); + hwdesc->addr_buffer1 = cpu_to_le64(temp_dma); + break; + case 1: + hwdesc->buffer2_length = cpu_to_le16(temp_len); + hwdesc->addr_buffer2 = cpu_to_le64(temp_dma); + break; + case 2: + hwdesc->buffer3_length = cpu_to_le16(temp_len); + hwdesc->addr_buffer3 = cpu_to_le64(temp_dma); + break; + case 3: + hwdesc->buffer4_length = temp_len; + hwdesc->addr_buffer4 = cpu_to_le64(temp_dma); + break; + } + frag++; + } + producer = get_next_index(producer, adapter->max_tx_desc_count); + + /* might change opcode to TX_TCP_LSO */ + netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb); + + /* For LSO, we need to copy the MAC/IP/TCP headers into + * the descriptor ring + */ + if (hw->cmd_desc_head[saved_producer].opcode == TX_TCP_LSO) { + int hdr_len, first_hdr_len, more_hdr; + hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length; + if (hdr_len > (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { + first_hdr_len = + sizeof(struct cmd_desc_type0) - NET_IP_ALIGN; + more_hdr = 1; + } else { + first_hdr_len = hdr_len; + more_hdr = 0; + } + /* copy the MAC/IP/TCP headers to the cmd descriptor list */ + hwdesc = &hw->cmd_desc_head[producer]; + + /* copy the first 64 bytes */ + memcpy(((void *)hwdesc) + NET_IP_ALIGN, + (void *)(skb->data), first_hdr_len); + producer = get_next_index(producer, max_tx_desc_count); + + if (more_hdr) { + hwdesc = &hw->cmd_desc_head[producer]; + /* copy the next 64 bytes - should be enough except + * for pathological case + */ + memcpy((void *)hwdesc, (void *)(skb->data) + + first_hdr_len, hdr_len - first_hdr_len); + producer = get_next_index(producer, max_tx_desc_count); + } + } + spin_lock_bh(&adapter->tx_lock); + port->stats.txbytes += + CMD_DESC_TOTAL_LENGTH(&hw->cmd_desc_head[saved_producer]); + /* Code to update the adapter considering how many producer threads + are currently working */ + if ((--adapter->num_threads) == 0) { + /* This is the last thread */ + u32 crb_producer = adapter->cmd_producer; + writel(crb_producer, + NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET)); + wmb(); + adapter->total_threads = 0; + } else { + u32 crb_producer = 0; + crb_producer = + readl(NETXEN_CRB_NORMALIZE + (adapter, CRB_CMD_PRODUCER_OFFSET)); + if (crb_producer == local_producer) { + crb_producer = get_index_range(crb_producer, + max_tx_desc_count, + no_of_desc); + writel(crb_producer, + NETXEN_CRB_NORMALIZE(adapter, + CRB_CMD_PRODUCER_OFFSET)); + wmb(); + } + } + + port->stats.xmitfinished++; + spin_unlock_bh(&adapter->tx_lock); + + netdev->trans_start = jiffies; + + DPRINTK(INFO, "wrote CMD producer %x to phantom\n", producer); + + DPRINTK(INFO, "Done. Send\n"); + return NETDEV_TX_OK; +} + +static void netxen_watchdog(unsigned long v) +{ + struct netxen_adapter *adapter = (struct netxen_adapter *)v; + schedule_work(&adapter->watchdog_task); +} + +static void netxen_tx_timeout(struct net_device *netdev) +{ + struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + + schedule_work(&adapter->tx_timeout_task); +} + +static void netxen_tx_timeout_task(struct net_device *netdev) +{ + struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); + unsigned long flags; + + printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", + netxen_nic_driver_name, netdev->name); + + spin_lock_irqsave(&port->adapter->lock, flags); + netxen_nic_close(netdev); + netxen_nic_open(netdev); + spin_unlock_irqrestore(&port->adapter->lock, flags); + netdev->trans_start = jiffies; + netif_wake_queue(netdev); +} + +static int +netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) +{ + u32 ret = 0; + + DPRINTK(INFO, "Entered handle ISR\n"); + + adapter->stats.ints++; + + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + int count = 0; + u32 mask; + netxen_nic_disable_int(adapter); + /* Window = 0 or 1 */ + do { + writel(0xffffffff, (void __iomem *) + (adapter->ahw.pci_base + ISR_INT_TARGET_STATUS)); + mask = readl((void __iomem *) + (adapter->ahw.pci_base + ISR_INT_VECTOR)); + } while (((mask & 0x80) != 0) && (++count < 32)); + if ((mask & 0x80) != 0) + printk("Could not disable interrupt completely\n"); + + } + adapter->stats.hostints++; + + if (netxen_nic_rx_has_work(adapter) || netxen_nic_tx_has_work(adapter)) { + if (netif_rx_schedule_prep(netdev)) { + /* + * Interrupts are already disabled. + */ + __netif_rx_schedule(netdev); + } else { + static unsigned int intcount = 0; + if ((++intcount & 0xfff) == 0xfff) + printk(KERN_ERR + "%s: %s interrupt %d while in poll\n", + netxen_nic_driver_name, netdev->name, + intcount); + } + ret = 1; + } + + if (ret == 0) { + netxen_nic_enable_int(adapter); + } + + return ret; +} + +/* + * netxen_intr - Interrupt Handler + * @irq: interrupt number + * data points to adapter stucture (which may be handling more than 1 port + */ +irqreturn_t netxen_intr(int irq, void *data, struct pt_regs * regs) +{ + struct netxen_adapter *adapter; + struct netxen_port *port; + struct net_device *netdev; + int i; + + if (unlikely(!irq)) { + return IRQ_NONE; /* Not our interrupt */ + } + + adapter = (struct netxen_adapter *)data; + for (i = 0; i < adapter->ahw.max_ports; i++) { + port = adapter->port[i]; + netdev = port->netdev; + + /* process our status queue (for all 4 ports) */ + netxen_handle_int(adapter, netdev); + } + + return IRQ_HANDLED; +} + +static int netxen_nic_poll(struct net_device *netdev, int *budget) +{ + struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + int work_to_do = min(*budget, netdev->quota); + int done = 1; + int ctx; + int this_work_done; + + DPRINTK(INFO, "polling for %d descriptors\n", *budget); + port->stats.polled++; + + adapter->work_done = 0; + for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { + /* + * Fairness issue. This will give undue weight to the + * receive context 0. + */ + + /* + * To avoid starvation, we give each of our receivers, + * a fraction of the quota. Sometimes, it might happen that we + * have enough quota to process every packet, but since all the + * packets are on one context, it gets only half of the quota, + * and ends up not processing it. + */ + this_work_done = netxen_process_rcv_ring(adapter, ctx, + work_to_do / + MAX_RCV_CTX); + adapter->work_done += this_work_done; + } + + netdev->quota -= adapter->work_done; + *budget -= adapter->work_done; + + if (adapter->work_done >= work_to_do + && netxen_nic_rx_has_work(adapter) != 0) + done = 0; + + netxen_process_cmd_ring((unsigned long)adapter); + + DPRINTK(INFO, "new work_done: %d work_to_do: %d\n", + adapter->work_done, work_to_do); + if (done) { + netif_rx_complete(netdev); + netxen_nic_enable_int(adapter); + } + + return (done ? 0 : 1); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void netxen_nic_poll_controller(struct net_device *netdev) +{ + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + disable_irq(adapter->irq); + netxen_intr(adapter->irq, adapter, NULL); + enable_irq(adapter->irq); +} +#endif +/* + * netxen_nic_ioctl () We provide the tcl/phanmon support through these + * ioctls. + */ +static int +netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + int err = 0; + struct netxen_port *port = netdev_priv(netdev); + struct netxen_adapter *adapter = port->adapter; + + DPRINTK(INFO, "doing ioctl for %s\n", netdev->name); + switch (cmd) { + case NETXEN_NIC_CMD: + err = netxen_nic_do_ioctl(adapter, (void *)ifr->ifr_data, port); + break; + + case NETXEN_NIC_NAME: + DPRINTK(INFO, "ioctl cmd for NetXen\n"); + if (ifr->ifr_data) { + put_user(port->portnum, (u16 __user *) ifr->ifr_data); + } + break; + + default: + DPRINTK(INFO, "ioctl cmd %x not supported\n", cmd); + err = -EOPNOTSUPP; + break; + } + + return err; +} + +static struct pci_driver netxen_driver = { + .name = netxen_nic_driver_name, + .id_table = netxen_pci_tbl, + .probe = netxen_nic_probe, + .remove = __devexit_p(netxen_nic_remove) +}; + +/* Driver Registration on NetXen card */ + +static int __init netxen_init_module(void) +{ + printk(KERN_INFO "%s \n", netxen_nic_driver_string); + + return pci_module_init(&netxen_driver); +} + +module_init(netxen_init_module); + +static void __exit netxen_exit_module(void) +{ + /* + * Wait for some time to allow the dma to drain, if any. + */ + mdelay(5); + pci_unregister_driver(&netxen_driver); +} + +module_exit(netxen_exit_module); diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c new file mode 100644 index 00000000000..6e421c876fe --- /dev/null +++ b/drivers/net/netxen/netxen_nic_niu.c @@ -0,0 +1,800 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + * + * + * Provides access to the Network Interface Unit h/w block. + * + */ + +#include "netxen_nic.h" +#include + +/* + * netxen_niu_gbe_phy_read - read a register from the GbE PHY via + * mii management interface. + * + * Note: The MII management interface goes through port 0. + * Individual phys are addressed as follows: + * @param phy [15:8] phy id + * @param reg [7:0] register number + * + * @returns 0 on success + * -1 on error + * + */ +int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, + long reg, __le32 * readval) +{ + long timeout = 0; + long result = 0; + long restore = 0; + __le32 address; + __le32 command; + __le32 status; + __le32 mii_cfg; + __le32 mac_cfg0; + + /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), + &mac_cfg0, 4)) + return -EIO; + if (netxen_gb_get_soft_reset(mac_cfg0)) { + __le32 temp; + temp = 0; + netxen_gb_tx_reset_pb(temp); + netxen_gb_rx_reset_pb(temp); + netxen_gb_tx_reset_mac(temp); + netxen_gb_rx_reset_mac(temp); + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(0), + &temp, 4)) + return -EIO; + restore = 1; + } + + /* reset MII management interface */ + mii_cfg = 0; + netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); + netxen_gb_mii_mgmt_reset(mii_cfg); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), + &mii_cfg, 4)) + return -EIO; + netxen_gb_mii_mgmt_unset(mii_cfg); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), + &mii_cfg, 4)) + return -EIO; + + address = 0; + netxen_gb_mii_mgmt_reg_addr(address, reg); + netxen_gb_mii_mgmt_phy_addr(address, phy); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), + &address, 4)) + return -EIO; + command = 0; /* turn off any prior activity */ + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), + &command, 4)) + return -EIO; + /* send read command */ + netxen_gb_mii_mgmt_set_read_cycle(command); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), + &command, 4)) + return -EIO; + + status = 0; + do { + if (netxen_nic_hw_read_wx(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE(0), + &status, 4)) + return -EIO; + timeout++; + } while ((netxen_get_gb_mii_mgmt_busy(status) + || netxen_get_gb_mii_mgmt_notvalid(status)) + && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); + + if (timeout < NETXEN_NIU_PHY_WAITMAX) { + if (netxen_nic_hw_read_wx(adapter, + NETXEN_NIU_GB_MII_MGMT_STATUS(0), + readval, 4)) + return -EIO; + result = 0; + } else + result = -1; + + if (restore) + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(0), + &mac_cfg0, 4)) + return -EIO; + + return result; +} + +/* + * netxen_niu_gbe_phy_write - write a register to the GbE PHY via + * mii management interface. + * + * Note: The MII management interface goes through port 0. + * Individual phys are addressed as follows: + * @param phy [15:8] phy id + * @param reg [7:0] register number + * + * @returns 0 on success + * -1 on error + * + */ +int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, + long phy, long reg, __le32 val) +{ + long timeout = 0; + long result = 0; + long restore = 0; + __le32 address; + __le32 command; + __le32 status; + __le32 mac_cfg0; + + /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), + &mac_cfg0, 4)) + return -EIO; + if (netxen_gb_get_soft_reset(mac_cfg0)) { + __le32 temp; + temp = 0; + netxen_gb_tx_reset_pb(temp); + netxen_gb_rx_reset_pb(temp); + netxen_gb_tx_reset_mac(temp); + netxen_gb_rx_reset_mac(temp); + + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(0), + &temp, 4)) + return -EIO; + restore = 1; + } + + command = 0; /* turn off any prior activity */ + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), + &command, 4)) + return -EIO; + + address = 0; + netxen_gb_mii_mgmt_reg_addr(address, reg); + netxen_gb_mii_mgmt_phy_addr(address, phy); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), + &address, 4)) + return -EIO; + + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0), + &val, 4)) + return -EIO; + + status = 0; + do { + if (netxen_nic_hw_read_wx(adapter, + NETXEN_NIU_GB_MII_MGMT_INDICATE(0), + &status, 4)) + return -EIO; + timeout++; + } while ((netxen_get_gb_mii_mgmt_busy(status)) + && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); + + if (timeout < NETXEN_NIU_PHY_WAITMAX) + result = 0; + else + result = -EIO; + + /* restore the state of port 0 MAC in case we tampered with it */ + if (restore) + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(0), + &mac_cfg0, 4)) + return -EIO; + + return result; +} + +int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f); + return 0; +} + +int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + int result = 0; + __le32 enable = 0; + netxen_set_phy_int_link_status_changed(enable); + netxen_set_phy_int_autoneg_completed(enable); + netxen_set_phy_int_speed_changed(enable); + + if (0 != + netxen_niu_gbe_phy_write(adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, + enable)) + result = -EIO; + + return result; +} + +int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f); + return 0; +} + +int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + int result = 0; + if (0 != + netxen_niu_gbe_phy_write(adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0)) + result = -EIO; + + return result; +} + +int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1); + return 0; +} + +int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port) +{ + int result = 0; + if (0 != + netxen_niu_gbe_phy_write(adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, + -EIO)) + result = -EIO; + + return result; +} + +/* + * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC + * + */ +void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, + int port, long enable) +{ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x80000000); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x0000f0025); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), + 0xf1ff); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB0_MII_MODE + (port << 3), 1); + netxen_crb_writelit_adapter(adapter, + (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); + + if (enable) { + /* + * Do NOT enable flow control until a suitable solution for + * shutting down pause frames is found. + */ + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x5); + } + + if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); + if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); +} + +/* + * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC + */ +void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, + int port, long enable) +{ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x80000000); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x0000f0025); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), + 0xf2ff); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB0_MII_MODE + (port << 3), 0); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1); + netxen_crb_writelit_adapter(adapter, + (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); + + if (enable) { + /* + * Do NOT enable flow control until a suitable solution for + * shutting down pause frames is found. + */ + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0(port), + 0x5); + } + + if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); + if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); +} + +int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) +{ + int result = 0; + __le32 status; + if (adapter->ops->disable_phy_interrupts) + adapter->ops->disable_phy_interrupts(adapter, port); + mdelay(2); + + if (0 == + netxen_niu_gbe_phy_read(adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + (__le32 *) & status)) { + if (netxen_get_phy_link(status)) { + if (netxen_get_phy_speed(status) == 2) { + netxen_niu_gbe_set_gmii_mode(adapter, port, 1); + } else if ((netxen_get_phy_speed(status) == 1) + || (netxen_get_phy_speed(status) == 0)) { + netxen_niu_gbe_set_mii_mode(adapter, port, 1); + } else { + result = -1; + } + + } else { + /* We don't have link. Cable must be unconnected. */ + /* Enable phy interrupts so we take action when plugged in */ + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0 + (port), 0x80000000); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_GB_MAC_CONFIG_0 + (port), 0x0000f0025); + if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX + "ERROR clearing PHY interrupts\n"); + if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX + "ERROR enabling PHY interrupts\n"); + if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) + printk(KERN_ERR PFX + "ERROR clearing PHY interrupts\n"); + result = -1; + } + } else { + result = -EIO; + } + return result; +} + +/* + * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts + * @param enable 0 means don't enable the port + * 1 means enable (or re-enable) the port + */ +int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter, + int port, long enable) +{ + int result = 0; + __le32 int_src; + + printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d" + " (device enable = %d)\n", (int)port, (int)enable); + + /* The read of the PHY INT status will clear the pending interrupt status */ + if (netxen_niu_gbe_phy_read(adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, + &int_src) != 0) + result = -EINVAL; + else { + printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src); + if (netxen_get_phy_int_jabber(int_src)) + printk(KERN_INFO PFX "jabber Interrupt "); + if (netxen_get_phy_int_polarity_changed(int_src)) + printk(KERN_INFO PFX "polarity changed "); + if (netxen_get_phy_int_energy_detect(int_src)) + printk(KERN_INFO PFX "energy detect \n"); + if (netxen_get_phy_int_downshift(int_src)) + printk(KERN_INFO PFX "downshift \n"); + if (netxen_get_phy_int_mdi_xover_changed(int_src)) + printk(KERN_INFO PFX "mdi_xover_changed "); + if (netxen_get_phy_int_fifo_over_underflow(int_src)) + printk(KERN_INFO PFX "fifo_over_underflow "); + if (netxen_get_phy_int_false_carrier(int_src)) + printk(KERN_INFO PFX "false_carrier "); + if (netxen_get_phy_int_symbol_error(int_src)) + printk(KERN_INFO PFX "symbol_error "); + if (netxen_get_phy_int_autoneg_completed(int_src)) + printk(KERN_INFO PFX "autoneg_completed "); + if (netxen_get_phy_int_page_received(int_src)) + printk(KERN_INFO PFX "page_received "); + if (netxen_get_phy_int_duplex_changed(int_src)) + printk(KERN_INFO PFX "duplex_changed "); + if (netxen_get_phy_int_autoneg_error(int_src)) + printk(KERN_INFO PFX "autoneg_error "); + if ((netxen_get_phy_int_speed_changed(int_src)) + || (netxen_get_phy_int_link_status_changed(int_src))) { + __le32 status; + + printk(KERN_INFO PFX + "speed_changed or link status changed"); + if (netxen_niu_gbe_phy_read + (adapter, port, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) == 0) { + if (netxen_get_phy_speed(status) == 2) { + printk + (KERN_INFO PFX "Link speed changed" + " to 1000 Mbps\n"); + netxen_niu_gbe_set_gmii_mode(adapter, + port, + enable); + } else if (netxen_get_phy_speed(status) == 1) { + printk + (KERN_INFO PFX "Link speed changed" + " to 100 Mbps\n"); + netxen_niu_gbe_set_mii_mode(adapter, + port, + enable); + } else if (netxen_get_phy_speed(status) == 0) { + printk + (KERN_INFO PFX "Link speed changed" + " to 10 Mbps\n"); + netxen_niu_gbe_set_mii_mode(adapter, + port, + enable); + } else { + printk(KERN_ERR PFX "ERROR reading" + "PHY status. Illegal speed.\n"); + result = -1; + } + } else { + printk(KERN_ERR PFX + "ERROR reading PHY status.\n"); + result = -1; + } + + } + printk(KERN_INFO "\n"); + } + return result; +} + +/* + * Return the current station MAC address. + * Note that the passed-in value must already be in network byte order. + */ +int netxen_niu_macaddr_get(struct netxen_adapter *adapter, + int phy, netxen_ethernet_macaddr_t * addr) +{ + u64 result = 0; + __le32 stationhigh; + __le32 stationlow; + + if (addr == NULL) + return -EINVAL; + if ((phy < 0) || (phy > 3)) + return -EINVAL; + + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), + &stationhigh, 4)) + return -EIO; + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), + &stationlow, 4)) + return -EIO; + + result = (u64) netxen_gb_get_stationaddress_low(stationlow); + result |= (u64) stationhigh << 16; + memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); + + return 0; +} + +/* + * Set the station MAC address. + * Note that the passed-in value must already be in network byte order. + */ +int netxen_niu_macaddr_set(struct netxen_port *port, + netxen_ethernet_macaddr_t addr) +{ + __le32 temp = 0; + struct netxen_adapter *adapter = port->adapter; + int phy = port->portnum; + + memcpy(&temp, addr, 2); + temp <<= 16; + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), + &temp, 4)) + return -EIO; + + temp = 0; + + memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), + &temp, 4)) + return -2; + + return 0; +} + +/* Enable a GbE interface */ +int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter, + int port, netxen_niu_gbe_ifmode_t mode) +{ + __le32 mac_cfg0; + __le32 mac_cfg1; + __le32 mii_cfg; + + if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) + return -EINVAL; + + mac_cfg0 = 0; + netxen_gb_soft_reset(mac_cfg0); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + &mac_cfg0, 4)) + return -EIO; + mac_cfg0 = 0; + netxen_gb_enable_tx(mac_cfg0); + netxen_gb_enable_rx(mac_cfg0); + netxen_gb_unset_rx_flowctl(mac_cfg0); + netxen_gb_tx_reset_pb(mac_cfg0); + netxen_gb_rx_reset_pb(mac_cfg0); + netxen_gb_tx_reset_mac(mac_cfg0); + netxen_gb_rx_reset_mac(mac_cfg0); + + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + &mac_cfg0, 4)) + return -EIO; + mac_cfg1 = 0; + netxen_gb_set_preamblelen(mac_cfg1, 0xf); + netxen_gb_set_duplex(mac_cfg1); + netxen_gb_set_crc_enable(mac_cfg1); + netxen_gb_set_padshort(mac_cfg1); + netxen_gb_set_checklength(mac_cfg1); + netxen_gb_set_hugeframes(mac_cfg1); + + if (mode == NETXEN_NIU_10_100_MB) { + netxen_gb_set_intfmode(mac_cfg1, 1); + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_1(port), + &mac_cfg1, 4)) + return -EIO; + + /* set mii mode */ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + + (port << 3), 0); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + + (port << 3), 1); + + } else if (mode == NETXEN_NIU_1000_MB) { + netxen_gb_set_intfmode(mac_cfg1, 2); + if (netxen_nic_hw_write_wx(adapter, + NETXEN_NIU_GB_MAC_CONFIG_1(port), + &mac_cfg1, 4)) + return -EIO; + /* set gmii mode */ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + + (port << 3), 0); + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + + (port << 3), 1); + } + mii_cfg = 0; + netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port), + &mii_cfg, 4)) + return -EIO; + mac_cfg0 = 0; + netxen_gb_enable_tx(mac_cfg0); + netxen_gb_enable_rx(mac_cfg0); + netxen_gb_unset_rx_flowctl(mac_cfg0); + netxen_gb_unset_tx_flowctl(mac_cfg0); + + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + &mac_cfg0, 4)) + return -EIO; + return 0; +} + +/* Disable a GbE interface */ +int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port) +{ + __le32 mac_cfg0; + + if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) + return -EINVAL; + + mac_cfg0 = 0; + netxen_gb_soft_reset(mac_cfg0); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), + &mac_cfg0, 4)) + return -EIO; + return 0; +} + +/* Disable an XG interface */ +int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port) +{ + __le32 mac_cfg; + + if (port != 0) + return -EINVAL; + + mac_cfg = 0; + netxen_xg_soft_reset(mac_cfg); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0, + &mac_cfg, 4)) + return -EIO; + return 0; +} + +/* Set promiscuous mode for a GbE interface */ +int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port, + netxen_niu_prom_mode_t mode) +{ + __le32 reg; + + if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) + return -EINVAL; + + /* save previous contents */ + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, + ®, 4)) + return -EIO; + if (mode == NETXEN_NIU_PROMISC_MODE) { + switch (port) { + case 0: + netxen_clear_gb_drop_gb0(reg); + break; + case 1: + netxen_clear_gb_drop_gb1(reg); + break; + case 2: + netxen_clear_gb_drop_gb2(reg); + break; + case 3: + netxen_clear_gb_drop_gb3(reg); + break; + default: + return -EIO; + } + } else { + switch (port) { + case 0: + netxen_set_gb_drop_gb0(reg); + break; + case 1: + netxen_set_gb_drop_gb1(reg); + break; + case 2: + netxen_set_gb_drop_gb2(reg); + break; + case 3: + netxen_set_gb_drop_gb3(reg); + break; + default: + return -EIO; + } + } + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, + ®, 4)) + return -EIO; + return 0; +} + +/* + * Set the MAC address for an XG port + * Note that the passed-in value must already be in network byte order. + */ +int netxen_niu_xg_macaddr_set(struct netxen_port *port, + netxen_ethernet_macaddr_t addr) +{ + __le32 temp = 0; + struct netxen_adapter *adapter = port->adapter; + + memcpy(&temp, addr, 2); + temp = cpu_to_le32(temp); + temp <<= 16; + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, + &temp, 4)) + return -EIO; + + temp = 0; + + memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); + temp = cpu_to_le32(temp); + if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, + &temp, 4)) + return -EIO; + + return 0; +} + +/* + * Return the current station MAC address. + * Note that the passed-in value must already be in network byte order. + */ +int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy, + netxen_ethernet_macaddr_t * addr) +{ + __le32 stationhigh; + __le32 stationlow; + u64 result; + + if (addr == NULL) + return -EINVAL; + if (phy != 0) + return -EINVAL; + + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, + &stationhigh, 4)) + return -EIO; + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, + &stationlow, 4)) + return -EIO; + + result = ((u64) stationlow) >> 16; + result |= (u64) stationhigh << 16; + memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); + + return 0; +} + +int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, + int port, netxen_niu_prom_mode_t mode) +{ + __le32 reg; + + if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) + return -EINVAL; + + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, ®, 4)) + return -EIO; + if (mode == NETXEN_NIU_PROMISC_MODE) + reg = (reg | 0x2000UL); + else + reg = (reg & ~0x2000UL); + + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg); + + return 0; +} diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h new file mode 100644 index 00000000000..863645ed1cd --- /dev/null +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -0,0 +1,195 @@ +/* + * Copyright (C) 2003 - 2006 NetXen, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE. + * + * Contact Information: + * info@netxen.com + * NetXen, + * 3965 Freedom Circle, Fourth floor, + * Santa Clara, CA 95054 + */ + +#ifndef __NIC_PHAN_REG_H_ +#define __NIC_PHAN_REG_H_ + +/* + * CRB Registers or queue message done only at initialization time. + */ + +/* + * The following 2 are the base adresses for the CRB registers and their + * offsets will be added to get addresses for the index addresses. + */ +#define NIC_CRB_BASE_PORT1 NETXEN_CAM_RAM(0x200) +#define NIC_CRB_BASE_PORT2 NETXEN_CAM_RAM(0x250) + +#define NETXEN_NIC_REG(X) (NIC_CRB_BASE_PORT1+(X)) + +/* + * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address + * which can be read by the Phantom host to get producer/consumer indexes from + * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following + * registers will be used for the addresses of the ring's shared memory + * on the Phantom. + */ + +#define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00) +#define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04) + +/* point to the indexes */ +#define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08) +#define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c) + +/* address of command descriptors in the host memory */ +#define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30) +#define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34) + +/* The following 4 CRB registers are for doing performance coal */ +#define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x38) +#define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x3c) +#define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x40) +#define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x44) + +/* Needed by the host to find out the state of Phantom's initialization */ +#define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x4c) +#define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50) +#define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x54) + +/* Interrupt coalescing parameters */ +#define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x80) +#define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x84) +#define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x88) +#define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x8c) +#define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x90) +#define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94) +#define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98) +#define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c) + +/* Register for communicating XG link status */ +#define CRB_XG_STATE NETXEN_NIC_REG(0xa0) + +/* Debug registers for controlling NIC pkt gen agent */ +#define CRB_AGENT_GO NETXEN_NIC_REG(0xb0) +#define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4) +#define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xb8) +#define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xbc) +#define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xc0) + +/* Debug registers for observing NIC performance */ +#define CRB_TX_STATE NETXEN_NIC_REG(0xd0) +#define CRB_TX_COUNT NETXEN_NIC_REG(0xd4) +#define CRB_RX_STATE NETXEN_NIC_REG(0xd8) + +/* CRB registers per Rcv Descriptor ring */ +struct netxen_rcv_desc_crb { + u32 crb_rcv_producer_offset __attribute__ ((aligned(512))); + u32 crb_rcv_consumer_offset; + u32 crb_globalrcv_ring; +}; + +/* + * CRB registers used by the receive peg logic. One instance of these + * needs to be instantiated per instance of the receive peg. + */ + +struct netxen_recv_crb { + struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS]; + u32 crb_rcvstatus_ring; + u32 crb_rcv_status_producer; + u32 crb_rcv_status_consumer; + u32 crb_rcvpeg_state; +}; + +#if defined(DEFINE_GLOBAL_RECV_CRB) +struct netxen_recv_crb recv_crb_registers[] = { + /* + * Instance 0. + */ + { + /* rcv_desc_crb: */ + { + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x18), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x1c), + /* crb_gloablrcv_ring: */ + NETXEN_NIC_REG(0x20), + }, + /* Jumbo frames */ + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x100), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x104), + /* crb_gloablrcv_ring: */ + NETXEN_NIC_REG(0x108), + } + }, + /* crb_rcvstatus_ring: */ + NETXEN_NIC_REG(0x24), + /* crb_rcv_status_producer: */ + NETXEN_NIC_REG(0x28), + /* crb_rcv_status_consumer: */ + NETXEN_NIC_REG(0x2c), + /* crb_rcvpeg_state: */ + NETXEN_NIC_REG(0x48), + + }, + /* + * Instance 1, + */ + { + /* rcv_desc_crb: */ + { + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x80), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x84), + /* crb_globalrcv_ring: */ + NETXEN_NIC_REG(0x88), + }, + /* Jumbo frames */ + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x10C), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x110), + /* crb_globalrcv_ring: */ + NETXEN_NIC_REG(0x114), + } + }, + /* crb_rcvstatus_ring: */ + NETXEN_NIC_REG(0x8c), + /* crb_rcv_status_producer: */ + NETXEN_NIC_REG(0x90), + /* crb_rcv_status_consumer: */ + NETXEN_NIC_REG(0x94), + /* crb_rcvpeg_state: */ + NETXEN_NIC_REG(0x98), + }, +}; +#else +extern struct netxen_recv_crb recv_crb_registers[]; +#endif /* DEFINE_GLOBAL_RECEIVE_CRB */ + +#endif /* __NIC_PHAN_REG_H_ */ -- cgit v1.2.3 From a362bf57aa12835e4fa6af6960e5135b5626bc5b Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 18 Oct 2006 00:17:02 +0100 Subject: [PATCH] zd1211rw: Add ID for ZyXEL G-220 Tested by Newsome on IRC zd1211 chip 0586:3401 v4330 high 00-13-49 AL2230_RF pa0 g--- Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 435e16e137b..7917153a92e 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -50,6 +50,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x1435, 0x0711), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0586, 0x3409), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0b3b, 0x1630), .driver_info = DEVICE_ZD1211 }, + { USB_DEVICE(0x0586, 0x3401), .driver_info = DEVICE_ZD1211 }, /* ZD1211B */ { USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B }, -- cgit v1.2.3 From 90fb51358a264f2f7e0cabdca6fc229bbc40cd91 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:30 -0800 Subject: e1000: whitespace changes, comments, typos Small whitespace changes, comment changes, typo fixes. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_ethtool.c | 27 +++++----- drivers/net/e1000/e1000_hw.c | 6 ++- drivers/net/e1000/e1000_hw.h | 5 +- drivers/net/e1000/e1000_main.c | 101 +++++++++++++++++++------------------- drivers/net/e1000/e1000_osdep.h | 1 - 5 files changed, 72 insertions(+), 68 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index c564adbd669..82d2c78e169 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -133,9 +133,7 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) if (hw->autoneg == 1) { ecmd->advertising |= ADVERTISED_Autoneg; - /* the e1000 autoneg seems to match ethtool nicely */ - ecmd->advertising |= hw->autoneg_advertised; } @@ -285,7 +283,7 @@ e1000_set_pauseparam(struct net_device *netdev, e1000_reset(adapter); } else retval = ((hw->media_type == e1000_media_type_fiber) ? - e1000_setup_link(hw) : e1000_force_mac_fc(hw)); + e1000_setup_link(hw) : e1000_force_mac_fc(hw)); clear_bit(__E1000_RESETTING, &adapter->flags); return retval; @@ -774,7 +772,7 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) /* The status register is Read Only, so a write should fail. * Some bits that get toggled are ignored. */ - switch (adapter->hw.mac_type) { + switch (adapter->hw.mac_type) { /* there are several bits on newer hardware that are r/w */ case e1000_82571: case e1000_82572: @@ -802,12 +800,14 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) } /* restore previous status */ E1000_WRITE_REG(&adapter->hw, STATUS, before); + if (adapter->hw.mac_type != e1000_ich8lan) { REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); } + REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); @@ -820,8 +820,9 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); + before = (adapter->hw.mac_type == e1000_ich8lan ? - 0x06C3B33E : 0x06DFB3FE); + 0x06C3B33E : 0x06DFB3FE); REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB); REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); @@ -834,10 +835,10 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); value = (adapter->hw.mac_type == e1000_ich8lan ? - E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES); + E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES); for (i = 0; i < value; i++) { REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, - 0xFFFFFFFF); + 0xFFFFFFFF); } } else { @@ -883,8 +884,7 @@ e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) } static irqreturn_t -e1000_test_intr(int irq, - void *data) +e1000_test_intr(int irq, void *data) { struct net_device *netdev = (struct net_device *) data; struct e1000_adapter *adapter = netdev_priv(netdev); @@ -905,11 +905,11 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) /* NOTE: we don't test MSI interrupts here, yet */ /* Hook up test interrupt handler just for this test */ - if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, - netdev->name, netdev)) + if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, + netdev)) shared_int = FALSE; else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, - netdev->name, netdev)) { + netdev->name, netdev)) { *data = 1; return -1; } @@ -925,6 +925,7 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) if (adapter->hw.mac_type == e1000_ich8lan && i == 8) continue; + /* Interrupt to test */ mask = 1 << i; @@ -1674,7 +1675,7 @@ e1000_diag_test(struct net_device *netdev, if (e1000_link_test(adapter, &data[4])) eth_test->flags |= ETH_TEST_FL_FAILED; - /* Offline tests aren't run; pass by default */ + /* Online tests aren't run; pass by default */ data[0] = 0; data[1] = 0; data[2] = 0; diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 796c4f7d426..29e6f6aba9e 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -2367,6 +2367,7 @@ e1000_phy_force_speed_duplex(struct e1000_hw *hw) /* Need to reset the PHY or these changes will be ignored */ mii_ctrl_reg |= MII_CR_RESET; + /* Disable MDI-X support for 10/100 */ } else if (hw->phy_type == e1000_phy_ife) { ret_val = e1000_read_phy_reg(hw, IFE_PHY_MDIX_CONTROL, &phy_data); @@ -2379,6 +2380,7 @@ e1000_phy_force_speed_duplex(struct e1000_hw *hw) ret_val = e1000_write_phy_reg(hw, IFE_PHY_MDIX_CONTROL, phy_data); if (ret_val) return ret_val; + } else { /* Clear Auto-Crossover to force MDI manually. IGP requires MDI * forced whenever speed or duplex are forced. @@ -5841,6 +5843,7 @@ e1000_mta_set(struct e1000_hw *hw, hash_reg = (hash_value >> 5) & 0x7F; if (hw->mac_type == e1000_ich8lan) hash_reg &= 0x1F; + hash_bit = hash_value & 0x1F; mta = E1000_READ_REG_ARRAY(hw, MTA, hash_reg); @@ -6026,6 +6029,7 @@ e1000_id_led_init(struct e1000_hw * hw) else eeprom_data = ID_LED_DEFAULT; } + for (i = 0; i < 4; i++) { temp = (eeprom_data >> (i << 2)) & led_mask; switch (temp) { @@ -9013,5 +9017,3 @@ e1000_init_lcd_from_nvm(struct e1000_hw *hw) return E1000_SUCCESS; } - - diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 449a60303e0..b32a0c3cfd1 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -326,6 +326,7 @@ int32_t e1000_phy_hw_reset(struct e1000_hw *hw); int32_t e1000_phy_reset(struct e1000_hw *hw); int32_t e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info); int32_t e1000_validate_mdi_setting(struct e1000_hw *hw); + void e1000_phy_powerdown_workaround(struct e1000_hw *hw); /* EEPROM Functions */ @@ -390,7 +391,6 @@ int32_t e1000_mng_write_dhcp_info(struct e1000_hw *hw, uint8_t *buffer, uint16_t length); boolean_t e1000_check_mng_mode(struct e1000_hw *hw); boolean_t e1000_enable_tx_pkt_filtering(struct e1000_hw *hw); - int32_t e1000_read_eeprom(struct e1000_hw *hw, uint16_t reg, uint16_t words, uint16_t *data); int32_t e1000_validate_eeprom_checksum(struct e1000_hw *hw); int32_t e1000_update_eeprom_checksum(struct e1000_hw *hw); @@ -576,6 +576,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); * E1000_RAR_ENTRIES - 1 multicast addresses. */ #define E1000_RAR_ENTRIES 15 + #define E1000_RAR_ENTRIES_ICH8LAN 6 #define MIN_NUMBER_OF_DESCRIPTORS 8 @@ -1335,9 +1336,9 @@ struct e1000_hw_stats { uint64_t gotch; uint64_t rnbc; uint64_t ruc; + uint64_t rfc; uint64_t roc; uint64_t rlerrc; - uint64_t rfc; uint64_t rjc; uint64_t mgprc; uint64_t mgpdc; diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 726ec5e88ab..7b1c092d921 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -375,7 +375,7 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter) * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that the * driver is no longer loaded. For AMT version (only with 82573) i - * of the f/w this means that the netowrk i/f is closed. + * of the f/w this means that the network i/f is closed. * **/ @@ -416,7 +416,7 @@ e1000_release_hw_control(struct e1000_adapter *adapter) * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit. * For ASF and Pass Through versions of f/w this means that * the driver is loaded. For AMT version (only with 82573) - * of the f/w this means that the netowrk i/f is open. + * of the f/w this means that the network i/f is open. * **/ @@ -426,6 +426,7 @@ e1000_get_hw_control(struct e1000_adapter *adapter) uint32_t ctrl_ext; uint32_t swsm; uint32_t extcnf; + /* Let firmware know the driver has taken over */ switch (adapter->hw.mac_type) { case e1000_82571: @@ -1279,12 +1280,10 @@ e1000_open(struct net_device *netdev) return -EBUSY; /* allocate transmit descriptors */ - if ((err = e1000_setup_all_tx_resources(adapter))) goto err_setup_tx; /* allocate receive descriptors */ - if ((err = e1000_setup_all_rx_resources(adapter))) goto err_setup_rx; @@ -1569,6 +1568,8 @@ e1000_configure_tx(struct e1000_adapter *adapter) if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { tarc = E1000_READ_REG(hw, TARC0); + /* set the speed mode bit, we'll clear it if we're not at + * gigabit link later */ tarc |= (1 << 21); E1000_WRITE_REG(hw, TARC0, tarc); } else if (hw->mac_type == e1000_80003es2lan) { @@ -2418,6 +2419,7 @@ e1000_watchdog(unsigned long data) DPRINTK(LINK, INFO, "Gigabit has been disabled, downgrading speed\n"); } + if (adapter->hw.mac_type == e1000_82573) { e1000_enable_tx_pkt_filtering(&adapter->hw); if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id) @@ -2462,13 +2464,12 @@ e1000_watchdog(unsigned long data) if ((adapter->hw.mac_type == e1000_82571 || adapter->hw.mac_type == e1000_82572) && txb2b == 0) { -#define SPEED_MODE_BIT (1 << 21) uint32_t tarc0; tarc0 = E1000_READ_REG(&adapter->hw, TARC0); - tarc0 &= ~SPEED_MODE_BIT; + tarc0 &= ~(1 << 21); E1000_WRITE_REG(&adapter->hw, TARC0, tarc0); } - + #ifdef NETIF_F_TSO /* disable TSO for pcie and 10/100 speeds, to avoid * some hardware issues */ @@ -3010,9 +3011,9 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) max_per_txd = min(mss << 2, max_per_txd); max_txd_pwr = fls(max_per_txd) - 1; - /* TSO Workaround for 82571/2/3 Controllers -- if skb->data - * points to just header, pull a few bytes of payload from - * frags into skb->data */ + /* TSO Workaround for 82571/2/3 Controllers -- if skb->data + * points to just header, pull a few bytes of payload from + * frags into skb->data */ hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) { switch (adapter->hw.mac_type) { @@ -3316,12 +3317,12 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->stats.roc += E1000_READ_REG(hw, ROC); if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.prc64 += E1000_READ_REG(hw, PRC64); - adapter->stats.prc127 += E1000_READ_REG(hw, PRC127); - adapter->stats.prc255 += E1000_READ_REG(hw, PRC255); - adapter->stats.prc511 += E1000_READ_REG(hw, PRC511); - adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023); - adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522); + adapter->stats.prc64 += E1000_READ_REG(hw, PRC64); + adapter->stats.prc127 += E1000_READ_REG(hw, PRC127); + adapter->stats.prc255 += E1000_READ_REG(hw, PRC255); + adapter->stats.prc511 += E1000_READ_REG(hw, PRC511); + adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023); + adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522); } adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS); @@ -3352,12 +3353,12 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->stats.tpr += E1000_READ_REG(hw, TPR); if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64); - adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127); - adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255); - adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511); - adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023); - adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522); + adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64); + adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127); + adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255); + adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511); + adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023); + adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522); } adapter->stats.mptc += E1000_READ_REG(hw, MPTC); @@ -3383,18 +3384,17 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC); if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC); - adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC); - adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC); - adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC); - adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC); - adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC); - adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC); + adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC); + adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC); + adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC); + adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC); + adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC); + adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC); + adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC); } } /* Fill out the OS statistics structure */ - adapter->net_stats.rx_packets = adapter->stats.gprc; adapter->net_stats.tx_packets = adapter->stats.gptc; adapter->net_stats.rx_bytes = adapter->stats.gorcl; @@ -3426,7 +3426,6 @@ e1000_update_stats(struct e1000_adapter *adapter) /* Tx Dropped needs to be maintained elsewhere */ /* Phy Stats */ - if (hw->media_type == e1000_media_type_copper) { if ((adapter->link_speed == SPEED_1000) && (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) { @@ -3502,6 +3501,8 @@ e1000_intr(int irq, void *data) if (likely(netif_rx_schedule_prep(netdev))) __netif_rx_schedule(netdev); else + /* this really should not happen! if it does it is basically a + * bug, but not a hard error, so enable ints and continue */ e1000_irq_enable(adapter); #else /* Writing IMC and IMS is needed for 82547. @@ -3528,7 +3529,6 @@ e1000_intr(int irq, void *data) e1000_irq_enable(adapter); #endif - return IRQ_HANDLED; } @@ -3615,7 +3615,6 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, if (unlikely(++i == tx_ring->count)) i = 0; } - eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); #ifdef CONFIG_E1000_NAPI @@ -3760,6 +3759,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, while (rx_desc->status & E1000_RXD_STAT_DD) { struct sk_buff *skb; u8 status; + #ifdef CONFIG_E1000_NAPI if (*work_done >= work_to_do) break; @@ -3999,7 +3999,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, goto copydone; } /* if */ } - + for (j = 0; j < adapter->rx_ps_pages; j++) { if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j]))) break; @@ -4234,7 +4234,7 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, } skb = netdev_alloc_skb(netdev, - adapter->rx_ps_bsize0 + NET_IP_ALIGN); + adapter->rx_ps_bsize0 + NET_IP_ALIGN); if (unlikely(!skb)) { adapter->alloc_rx_buff_failed++; @@ -4511,7 +4511,6 @@ e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value) return E1000_SUCCESS; } - void e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value) { @@ -4534,12 +4533,12 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); if (adapter->hw.mac_type != e1000_ich8lan) { - /* enable VLAN receive filtering */ - rctl = E1000_READ_REG(&adapter->hw, RCTL); - rctl |= E1000_RCTL_VFE; - rctl &= ~E1000_RCTL_CFIEN; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - e1000_update_mng_vlan(adapter); + /* enable VLAN receive filtering */ + rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl |= E1000_RCTL_VFE; + rctl &= ~E1000_RCTL_CFIEN; + E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + e1000_update_mng_vlan(adapter); } } else { /* disable VLAN tag insert/strip */ @@ -4548,14 +4547,16 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); if (adapter->hw.mac_type != e1000_ich8lan) { - /* disable VLAN filtering */ - rctl = E1000_READ_REG(&adapter->hw, RCTL); - rctl &= ~E1000_RCTL_VFE; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - if (adapter->mng_vlan_id != (uint16_t)E1000_MNG_VLAN_NONE) { - e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); - adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - } + /* disable VLAN filtering */ + rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl &= ~E1000_RCTL_VFE; + E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + if (adapter->mng_vlan_id != + (uint16_t)E1000_MNG_VLAN_NONE) { + e1000_vlan_rx_kill_vid(netdev, + adapter->mng_vlan_id); + adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; + } } } diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h index a464cb29062..3b7eb7c2001 100644 --- a/drivers/net/e1000/e1000_osdep.h +++ b/drivers/net/e1000/e1000_osdep.h @@ -119,5 +119,4 @@ typedef enum { #define E1000_READ_ICH8_REG16(a, reg) ( \ readw((a)->flash_address + reg)) - #endif /* _E1000_OSDEP_H_ */ -- cgit v1.2.3 From b00dae7cce465323850c3e1fd3ac8b2d9229735c Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:33 -0800 Subject: e1000: Remove DISABLE_MULR debug code Remove debugging code disabling MULR (multiple reads). It's not usable for a wide audience and there are no known problems with MULR right now. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 7b1c092d921..35d6d080522 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -602,9 +602,6 @@ void e1000_reset(struct e1000_adapter *adapter) { uint32_t pba, manc; -#ifdef DISABLE_MULR - uint32_t tctl; -#endif uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF; /* Repartition Pba for greater than 9k mtu @@ -671,12 +668,7 @@ e1000_reset(struct e1000_adapter *adapter) e1000_reset_hw(&adapter->hw); if (adapter->hw.mac_type >= e1000_82544) E1000_WRITE_REG(&adapter->hw, WUC, 0); -#ifdef DISABLE_MULR - /* disable Multiple Reads in Transmit Control Register for debugging */ - tctl = E1000_READ_REG(hw, TCTL); - E1000_WRITE_REG(hw, TCTL, tctl & ~E1000_TCTL_MULR); -#endif if (e1000_init_hw(&adapter->hw)) DPRINTK(PROBE, ERR, "Hardware Error\n"); e1000_update_mng_vlan(adapter); -- cgit v1.2.3 From 87ca4e5b8d729fc157a0a599d78ccab245fc0602 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:36 -0800 Subject: e1000: FIX: enable hw TSO for IPV6 Enable TSO for IPV6. All e1000 hardware supports it. This reduces CPU utilizations by 50% when transmitting IPv6 frames. Fix symbol naming enabling ipv6 TSO. Turn off TSO6 for 10/100. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000.h | 3 +++ drivers/net/e1000/e1000_ethtool.c | 7 +++++++ drivers/net/e1000/e1000_main.c | 19 ++++++++++++++----- 3 files changed, 24 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 7ecce438d25..3f0be02e85e 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -59,6 +59,9 @@ #include #include #include +#ifdef NETIF_F_TSO6 +#include +#endif #include #include #include diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 82d2c78e169..b9c0927d79b 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -348,6 +348,13 @@ e1000_set_tso(struct net_device *netdev, uint32_t data) else netdev->features &= ~NETIF_F_TSO; +#ifdef NETIF_F_TSO6 + if (data) + netdev->features |= NETIF_F_TSO6; + else + netdev->features &= ~NETIF_F_TSO6; +#endif + DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled"); adapter->tso_force = TRUE; return 0; diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 35d6d080522..38ee39e570e 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -844,9 +844,9 @@ e1000_probe(struct pci_dev *pdev, (adapter->hw.mac_type != e1000_82547)) netdev->features |= NETIF_F_TSO; -#ifdef NETIF_F_TSO_IPV6 +#ifdef NETIF_F_TSO6 if (adapter->hw.mac_type > e1000_82547_rev_2) - netdev->features |= NETIF_F_TSO_IPV6; + netdev->features |= NETIF_F_TSO6; #endif #endif if (pci_using_dac) @@ -1814,8 +1814,11 @@ e1000_setup_rctl(struct e1000_adapter *adapter) /* Configure extra packet-split registers */ rfctl = E1000_READ_REG(&adapter->hw, RFCTL); rfctl |= E1000_RFCTL_EXTEN; - /* disable IPv6 packet split support */ - rfctl |= E1000_RFCTL_IPV6_DIS; + /* disable packet split support for IPv6 extension headers, + * because some malformed IPv6 headers can hang the RX */ + rfctl |= (E1000_RFCTL_IPV6_EX_DIS | + E1000_RFCTL_NEW_IPV6_EXT_DIS); + E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl); rctl |= E1000_RCTL_DTYP_PS; @@ -2473,9 +2476,15 @@ e1000_watchdog(unsigned long data) DPRINTK(PROBE,INFO, "10/100 speed: disabling TSO\n"); netdev->features &= ~NETIF_F_TSO; +#ifdef NETIF_F_TSO6 + netdev->features &= ~NETIF_F_TSO6; +#endif break; case SPEED_1000: netdev->features |= NETIF_F_TSO; +#ifdef NETIF_F_TSO6 + netdev->features |= NETIF_F_TSO6; +#endif break; default: /* oops */ @@ -2610,7 +2619,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, 0); cmd_length = E1000_TXD_CMD_IP; ipcse = skb->h.raw - skb->data - 1; -#ifdef NETIF_F_TSO_IPV6 +#ifdef NETIF_F_TSO6 } else if (skb->protocol == htons(ETH_P_IPV6)) { skb->nh.ipv6h->payload_len = 0; skb->h.th->check = -- cgit v1.2.3 From 21c4d5e07859a6fc0f62be37da15b161e142c8d1 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:39 -0800 Subject: e1000: Enble early receive (ERT) on 82573 Enable early receives on 82573 for jumbo frame performance. Jumbo's are only supported on 82573L with ASPM disabled. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 38ee39e570e..93b97c6b8a6 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1934,6 +1934,12 @@ e1000_configure_rx(struct e1000_adapter *adapter) E1000_WRITE_REG(hw, RXCSUM, rxcsum); } + /* enable early receives on 82573, only takes effect if using > 2048 + * byte total frame size. for example only for jumbo frames */ +#define E1000_ERT_2048 0x100 + if (hw->mac_type == e1000_82573) + E1000_WRITE_REG(hw, ERT, E1000_ERT_2048); + /* Enable Receives */ E1000_WRITE_REG(hw, RCTL, rctl); } -- cgit v1.2.3 From 2ce9047f5d8464039da8ff986e71be5546e229c0 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:47:42 -0800 Subject: e1000: add mmiowb() for IA64 to sync tail writes IA64 SMP systems were seeing TX issues with multiple cpu's attempting to write tail registers unordered. This mmiowb() fixes the issue. Signed-off-by: Auke Kok Signed-off-by: Jesse Brandeburg --- drivers/net/e1000/e1000_main.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 93b97c6b8a6..681b738c6da 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2867,6 +2867,9 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, tx_ring->next_to_use = i; writel(i, adapter->hw.hw_addr + tx_ring->tdt); + /* we need this if more than one processor can write to our tail + * at a time, it syncronizes IO on IA64/Altix systems */ + mmiowb(); } /** -- cgit v1.2.3 From 070f6ffbb8ed5c398e84f1508752b8fd15b05cf2 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Wed, 1 Nov 2006 08:47:44 -0800 Subject: e1000: fix VR powerdown code On ich systems during PHY power down to D3, the voltage regulators were left on. Signed-off-by: Auke Kok Signed-off-by: Jeff Kirsher --- drivers/net/e1000/e1000_hw.c | 9 +++++---- drivers/net/e1000/e1000_hw.h | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 29e6f6aba9e..0e2ccf50d4d 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -3942,14 +3942,15 @@ e1000_phy_powerdown_workaround(struct e1000_hw *hw) E1000_WRITE_REG(hw, PHY_CTRL, reg | E1000_PHY_CTRL_GBE_DISABLE | E1000_PHY_CTRL_NOND0A_GBE_DISABLE); - /* Write VR power-down enable */ + /* Write VR power-down enable - bits 9:8 should be 10b */ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data); - e1000_write_phy_reg(hw, IGP3_VR_CTRL, phy_data | - IGP3_VR_CTRL_MODE_SHUT); + phy_data |= (1 << 9); + phy_data &= ~(1 << 8); + e1000_write_phy_reg(hw, IGP3_VR_CTRL, phy_data); /* Read it back and test */ e1000_read_phy_reg(hw, IGP3_VR_CTRL, &phy_data); - if ((phy_data & IGP3_VR_CTRL_MODE_SHUT) || retry) + if (((phy_data & IGP3_VR_CTRL_MODE_MASK) == IGP3_VR_CTRL_MODE_SHUT) || retry) break; /* Issue PHY reset and repeat at most one more time */ diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index b32a0c3cfd1..31bea321584 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -3173,6 +3173,7 @@ struct e1000_host_command_info { #define IGP3_VR_CTRL \ PHY_REG(776, 18) /* Voltage regulator control register */ #define IGP3_VR_CTRL_MODE_SHUT 0x0200 /* Enter powerdown, shutdown VRs */ +#define IGP3_VR_CTRL_MODE_MASK 0x0300 /* Shutdown VR Mask */ #define IGP3_CAPABILITY \ PHY_REG(776, 19) /* IGP3 Capability Register */ -- cgit v1.2.3 From 2bc35c1078fdfe7bb2a849c2d1bee8d9d5fea4a7 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Wed, 1 Nov 2006 08:47:47 -0800 Subject: e1000: reorder pci-e infor struct Order pci-e capability struct according to bus/pci bus width ordering preserving the hard pci spec numbers. Signed-off-by: Auke Kok Signed-off-by: Jeff Kirsher --- drivers/net/e1000/e1000_hw.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 31bea321584..f247f264a57 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -128,11 +128,13 @@ typedef enum { /* PCI bus widths */ typedef enum { e1000_bus_width_unknown = 0, + /* These PCIe values should literally match the possible return values + * from config space */ + e1000_bus_width_pciex_1 = 1, + e1000_bus_width_pciex_2 = 2, + e1000_bus_width_pciex_4 = 4, e1000_bus_width_32, e1000_bus_width_64, - e1000_bus_width_pciex_1, - e1000_bus_width_pciex_2, - e1000_bus_width_pciex_4, e1000_bus_width_reserved } e1000_bus_width; -- cgit v1.2.3 From 996695de21b9b301ebb32379e2950fc2142df3a7 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:50 -0800 Subject: e1000: simplify skb_put call. Simplify two calls to skb_put by removing one call to it. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 681b738c6da..44ba52229c7 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -3842,12 +3842,11 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, /* save the skb in buffer_info as good */ buffer_info->skb = skb; skb = new_skb; - skb_put(skb, length); } - } else - skb_put(skb, length); - + /* else just continue with the old one */ + } /* end copybreak code */ + skb_put(skb, length); /* Receive Checksum Offload */ e1000_rx_checksum(adapter, -- cgit v1.2.3 From a9ebadd640927ac6529d904b4131b17e8019d199 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:47:53 -0800 Subject: e1000: Remove unneeded and unwanted memsets This memsetting was added in a paranoid rage debugging TX hangs, but are no longer of importance. We can beef up the performance quite a bit removing them. Make sure to fill in next_to_watch to allow this. Signed-off-by: Auke Kok Signed-off-by: Jesse Brandeburg --- drivers/net/e1000/e1000_main.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 44ba52229c7..9d82bbb1a82 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1993,10 +1993,13 @@ e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, buffer_info->dma, buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = 0; } - if (buffer_info->skb) + if (buffer_info->skb) { dev_kfree_skb_any(buffer_info->skb); - memset(buffer_info, 0, sizeof(struct e1000_buffer)); + buffer_info->skb = NULL; + } + /* buffer_info must be completely set up in the transmit path */ } /** @@ -2661,6 +2664,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, context_desc->cmd_and_length = cpu_to_le32(cmd_length); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; if (++i == tx_ring->count) i = 0; tx_ring->next_to_use = i; @@ -2695,6 +2699,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; if (unlikely(++i == tx_ring->count)) i = 0; tx_ring->next_to_use = i; @@ -2763,6 +2768,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, size, PCI_DMA_TODEVICE); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; len -= size; offset += size; @@ -2802,6 +2808,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, size, PCI_DMA_TODEVICE); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; len -= size; offset += size; @@ -3620,7 +3627,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, cleaned = (i == eop); e1000_unmap_and_free_tx_resource(adapter, buffer_info); - memset(tx_desc, 0, sizeof(struct e1000_tx_desc)); + tx_desc->upper.data = 0; if (unlikely(++i == tx_ring->count)) i = 0; } -- cgit v1.2.3 From fc2307d00c15385fbdbb5928a8517e5f63c3d068 Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:47:56 -0800 Subject: e1000: New hardware support Add support for a Low Profile quad-port PCI-E adapter and 2 variants of the ICH8 systems' onboard NIC's. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_ethtool.c | 1 + drivers/net/e1000/e1000_hw.c | 3 +++ drivers/net/e1000/e1000_hw.h | 3 +++ drivers/net/e1000/e1000_main.c | 4 ++++ 4 files changed, 11 insertions(+) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index b9c0927d79b..dbac71ba71b 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -1725,6 +1725,7 @@ static int e1000_wol_exclusion(struct e1000_adapter *adapter, struct ethtool_wol retval = 0; break; case E1000_DEV_ID_82571EB_QUAD_COPPER: + case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: /* quad port adapters only support WoL on port A */ if (!adapter->quad_port_a) { diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 0e2ccf50d4d..0bb9dd82d63 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -385,6 +385,7 @@ e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_82571EB_FIBER: case E1000_DEV_ID_82571EB_SERDES: case E1000_DEV_ID_82571EB_QUAD_COPPER: + case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: hw->mac_type = e1000_82571; break; case E1000_DEV_ID_82572EI_COPPER: @@ -408,6 +409,8 @@ e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_ICH8_IGP_AMT: case E1000_DEV_ID_ICH8_IGP_C: case E1000_DEV_ID_ICH8_IFE: + case E1000_DEV_ID_ICH8_IFE_GT: + case E1000_DEV_ID_ICH8_IFE_G: case E1000_DEV_ID_ICH8_IGP_M: hw->mac_type = e1000_ich8lan; break; diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index f247f264a57..93c1e260ee6 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -475,6 +475,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); #define E1000_DEV_ID_82571EB_FIBER 0x105F #define E1000_DEV_ID_82571EB_SERDES 0x1060 #define E1000_DEV_ID_82571EB_QUAD_COPPER 0x10A4 +#define E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE 0x10BC #define E1000_DEV_ID_82572EI_COPPER 0x107D #define E1000_DEV_ID_82572EI_FIBER 0x107E #define E1000_DEV_ID_82572EI_SERDES 0x107F @@ -492,6 +493,8 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); #define E1000_DEV_ID_ICH8_IGP_AMT 0x104A #define E1000_DEV_ID_ICH8_IGP_C 0x104B #define E1000_DEV_ID_ICH8_IFE 0x104C +#define E1000_DEV_ID_ICH8_IFE_GT 0x10C4 +#define E1000_DEV_ID_ICH8_IFE_G 0x10C5 #define E1000_DEV_ID_ICH8_IGP_M 0x104D diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 9d82bbb1a82..96e44a82544 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -103,6 +103,9 @@ static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x10B9), INTEL_E1000_ETHERNET_DEVICE(0x10BA), INTEL_E1000_ETHERNET_DEVICE(0x10BB), + INTEL_E1000_ETHERNET_DEVICE(0x10BC), + INTEL_E1000_ETHERNET_DEVICE(0x10C4), + INTEL_E1000_ETHERNET_DEVICE(0x10C5), /* required last entry */ {0,} }; @@ -961,6 +964,7 @@ e1000_probe(struct pci_dev *pdev, break; case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: case E1000_DEV_ID_82571EB_QUAD_COPPER: + case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE: /* if quad port adapter, disable WoL on all but port A */ if (global_quad_port_a != 0) adapter->eeprom_wol = 0; -- cgit v1.2.3 From fcfb1224250d7877b6a6c6a947986e08b2160fb6 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:47:59 -0800 Subject: e1000: add queue restart counter Add a netif_wake/start_queue counter to the ethtool statistics to indicated to the user that their transmit ring could be too small for their workload. Signed-off-by: Jesse brandeburg Cc: Jamal Hadi Signed-off-by: Auke Kok --- drivers/net/e1000/e1000.h | 1 + drivers/net/e1000/e1000_ethtool.c | 1 + drivers/net/e1000/e1000_main.c | 5 ++++- 3 files changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 3f0be02e85e..896ea8a7238 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -265,6 +265,7 @@ struct e1000_adapter { /* TX */ struct e1000_tx_ring *tx_ring; /* One per active queue */ + unsigned int restart_queue; unsigned long tx_queue_len; uint32_t txd_cmd; uint32_t tx_int_delay; diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index dbac71ba71b..da459f7177c 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -85,6 +85,7 @@ static const struct e1000_stats e1000_gstrings_stats[] = { { "tx_single_coll_ok", E1000_STAT(stats.scc) }, { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, + { "tx_restart_queue", E1000_STAT(restart_queue) }, { "rx_long_length_errors", E1000_STAT(stats.roc) }, { "rx_short_length_errors", E1000_STAT(stats.ruc) }, { "rx_align_errors", E1000_STAT(stats.algnerrc) }, diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 96e44a82544..705e654c368 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2974,6 +2974,7 @@ static int __e1000_maybe_stop_tx(struct net_device *netdev, int size) /* A reprieve! */ netif_start_queue(netdev); + ++adapter->restart_queue; return 0; } @@ -3654,8 +3655,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, * sees the new next_to_clean. */ smp_mb(); - if (netif_queue_stopped(netdev)) + if (netif_queue_stopped(netdev)) { netif_wake_queue(netdev); + ++adapter->restart_queue; + } } if (adapter->detect_tx_hung) { -- cgit v1.2.3 From 2df7d59f287236a636fb2d7e05879e65c8c56492 Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Wed, 1 Nov 2006 08:48:02 -0800 Subject: e1000: rename ICH8 flash macros ICH8 will soon be followed by newer chipsets bearing the same acronym, thus we remove the '8' and make it independent of the version number in the platform name. Signed-off-by: Jeff Kirsher Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_hw.c | 119 ++++++++++++++++++++-------------------- drivers/net/e1000/e1000_hw.h | 73 ++++++++++++------------ drivers/net/e1000/e1000_osdep.h | 8 +-- 3 files changed, 98 insertions(+), 102 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 0bb9dd82d63..3655d902b0b 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -4555,7 +4555,7 @@ e1000_init_eeprom_params(struct e1000_hw *hw) case e1000_ich8lan: { int32_t i = 0; - uint32_t flash_size = E1000_READ_ICH8_REG(hw, ICH8_FLASH_GFPREG); + uint32_t flash_size = E1000_READ_ICH_FLASH_REG(hw, ICH_FLASH_GFPREG); eeprom->type = e1000_eeprom_ich8; eeprom->use_eerd = FALSE; @@ -4571,12 +4571,14 @@ e1000_init_eeprom_params(struct e1000_hw *hw) } } - hw->flash_base_addr = (flash_size & ICH8_GFPREG_BASE_MASK) * - ICH8_FLASH_SECTOR_SIZE; + hw->flash_base_addr = (flash_size & ICH_GFPREG_BASE_MASK) * + ICH_FLASH_SECTOR_SIZE; + + hw->flash_bank_size = ((flash_size >> 16) & ICH_GFPREG_BASE_MASK) + 1; + hw->flash_bank_size -= (flash_size & ICH_GFPREG_BASE_MASK); + + hw->flash_bank_size *= ICH_FLASH_SECTOR_SIZE; - hw->flash_bank_size = ((flash_size >> 16) & ICH8_GFPREG_BASE_MASK) + 1; - hw->flash_bank_size -= (flash_size & ICH8_GFPREG_BASE_MASK); - hw->flash_bank_size *= ICH8_FLASH_SECTOR_SIZE; hw->flash_bank_size /= 2 * sizeof(uint16_t); break; @@ -5626,8 +5628,8 @@ e1000_commit_shadow_ram(struct e1000_hw *hw) * signature is valid. We want to do this after the write * has completed so that we don't mark the segment valid * while the write is still in progress */ - if (i == E1000_ICH8_NVM_SIG_WORD) - high_byte = E1000_ICH8_NVM_SIG_MASK | high_byte; + if (i == E1000_ICH_NVM_SIG_WORD) + high_byte = E1000_ICH_NVM_SIG_MASK | high_byte; error = e1000_verify_write_ich8_byte(hw, (i << 1) + new_bank_offset + 1, high_byte); @@ -5649,18 +5651,18 @@ e1000_commit_shadow_ram(struct e1000_hw *hw) * erase as well since these bits are 11 to start with * and we need to change bit 14 to 0b */ e1000_read_ich8_byte(hw, - E1000_ICH8_NVM_SIG_WORD * 2 + 1 + new_bank_offset, + E1000_ICH_NVM_SIG_WORD * 2 + 1 + new_bank_offset, &high_byte); high_byte &= 0xBF; error = e1000_verify_write_ich8_byte(hw, - E1000_ICH8_NVM_SIG_WORD * 2 + 1 + new_bank_offset, high_byte); + E1000_ICH_NVM_SIG_WORD * 2 + 1 + new_bank_offset, high_byte); /* And invalidate the previously valid segment by setting * its signature word (0x13) high_byte to 0b. This can be * done without an erase because flash erase sets all bits * to 1's. We can write 1's to 0's without an erase */ if (error == E1000_SUCCESS) { error = e1000_verify_write_ich8_byte(hw, - E1000_ICH8_NVM_SIG_WORD * 2 + 1 + old_bank_offset, 0); + E1000_ICH_NVM_SIG_WORD * 2 + 1 + old_bank_offset, 0); } /* Clear the now not used entry in the cache */ @@ -8494,7 +8496,7 @@ e1000_ich8_cycle_init(struct e1000_hw *hw) DEBUGFUNC("e1000_ich8_cycle_init"); - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); /* May be check the Flash Des Valid bit in Hw status */ if (hsfsts.hsf_status.fldesvalid == 0) { @@ -8507,7 +8509,7 @@ e1000_ich8_cycle_init(struct e1000_hw *hw) hsfsts.hsf_status.flcerr = 1; hsfsts.hsf_status.dael = 1; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFSTS, hsfsts.regval); + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval); /* Either we should have a hardware SPI cycle in progress bit to check * against, in order to start a new cycle or FDONE bit should be changed @@ -8522,13 +8524,13 @@ e1000_ich8_cycle_init(struct e1000_hw *hw) /* There is no cycle running at present, so we can start a cycle */ /* Begin by setting Flash Cycle Done. */ hsfsts.hsf_status.flcdone = 1; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFSTS, hsfsts.regval); + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval); error = E1000_SUCCESS; } else { /* otherwise poll for sometime so the current cycle has a chance * to end before giving up. */ - for (i = 0; i < ICH8_FLASH_COMMAND_TIMEOUT; i++) { - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + for (i = 0; i < ICH_FLASH_COMMAND_TIMEOUT; i++) { + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); if (hsfsts.hsf_status.flcinprog == 0) { error = E1000_SUCCESS; break; @@ -8539,7 +8541,7 @@ e1000_ich8_cycle_init(struct e1000_hw *hw) /* Successful in waiting for previous cycle to timeout, * now set the Flash Cycle Done. */ hsfsts.hsf_status.flcdone = 1; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFSTS, hsfsts.regval); + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval); } else { DEBUGOUT("Flash controller busy, cannot get access"); } @@ -8561,13 +8563,13 @@ e1000_ich8_flash_cycle(struct e1000_hw *hw, uint32_t timeout) uint32_t i = 0; /* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */ - hsflctl.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFCTL); + hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL); hsflctl.hsf_ctrl.flcgo = 1; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFCTL, hsflctl.regval); + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval); /* wait till FDONE bit is set to 1 */ do { - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); if (hsfsts.hsf_status.flcdone == 1) break; udelay(1); @@ -8601,10 +8603,10 @@ e1000_read_ich8_data(struct e1000_hw *hw, uint32_t index, DEBUGFUNC("e1000_read_ich8_data"); if (size < 1 || size > 2 || data == 0x0 || - index > ICH8_FLASH_LINEAR_ADDR_MASK) + index > ICH_FLASH_LINEAR_ADDR_MASK) return error; - flash_linear_address = (ICH8_FLASH_LINEAR_ADDR_MASK & index) + + flash_linear_address = (ICH_FLASH_LINEAR_ADDR_MASK & index) + hw->flash_base_addr; do { @@ -8614,25 +8616,25 @@ e1000_read_ich8_data(struct e1000_hw *hw, uint32_t index, if (error != E1000_SUCCESS) break; - hsflctl.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFCTL); + hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL); /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ hsflctl.hsf_ctrl.fldbcount = size - 1; - hsflctl.hsf_ctrl.flcycle = ICH8_CYCLE_READ; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFCTL, hsflctl.regval); + hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ; + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval); /* Write the last 24 bits of index into Flash Linear address field in * Flash Address */ /* TODO: TBD maybe check the index against the size of flash */ - E1000_WRITE_ICH8_REG(hw, ICH8_FLASH_FADDR, flash_linear_address); + E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address); - error = e1000_ich8_flash_cycle(hw, ICH8_FLASH_COMMAND_TIMEOUT); + error = e1000_ich8_flash_cycle(hw, ICH_FLASH_COMMAND_TIMEOUT); /* Check if FCERR is set to 1, if set to 1, clear it and try the whole * sequence a few more times, else read in (shift in) the Flash Data0, * the order is least significant byte first msb to lsb */ if (error == E1000_SUCCESS) { - flash_data = E1000_READ_ICH8_REG(hw, ICH8_FLASH_FDATA0); + flash_data = E1000_READ_ICH_FLASH_REG(hw, ICH_FLASH_FDATA0); if (size == 1) { *data = (uint8_t)(flash_data & 0x000000FF); } else if (size == 2) { @@ -8642,9 +8644,9 @@ e1000_read_ich8_data(struct e1000_hw *hw, uint32_t index, } else { /* If we've gotten here, then things are probably completely hosed, * but if the error condition is detected, it won't hurt to give - * it another try...ICH8_FLASH_CYCLE_REPEAT_COUNT times. + * it another try...ICH_FLASH_CYCLE_REPEAT_COUNT times. */ - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); if (hsfsts.hsf_status.flcerr == 1) { /* Repeat for some time before giving up. */ continue; @@ -8653,7 +8655,7 @@ e1000_read_ich8_data(struct e1000_hw *hw, uint32_t index, break; } } - } while (count++ < ICH8_FLASH_CYCLE_REPEAT_COUNT); + } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); return error; } @@ -8680,10 +8682,10 @@ e1000_write_ich8_data(struct e1000_hw *hw, uint32_t index, uint32_t size, DEBUGFUNC("e1000_write_ich8_data"); if (size < 1 || size > 2 || data > size * 0xff || - index > ICH8_FLASH_LINEAR_ADDR_MASK) + index > ICH_FLASH_LINEAR_ADDR_MASK) return error; - flash_linear_address = (ICH8_FLASH_LINEAR_ADDR_MASK & index) + + flash_linear_address = (ICH_FLASH_LINEAR_ADDR_MASK & index) + hw->flash_base_addr; do { @@ -8693,34 +8695,34 @@ e1000_write_ich8_data(struct e1000_hw *hw, uint32_t index, uint32_t size, if (error != E1000_SUCCESS) break; - hsflctl.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFCTL); + hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL); /* 0b/1b corresponds to 1 or 2 byte size, respectively. */ hsflctl.hsf_ctrl.fldbcount = size -1; - hsflctl.hsf_ctrl.flcycle = ICH8_CYCLE_WRITE; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFCTL, hsflctl.regval); + hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE; + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval); /* Write the last 24 bits of index into Flash Linear address field in * Flash Address */ - E1000_WRITE_ICH8_REG(hw, ICH8_FLASH_FADDR, flash_linear_address); + E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address); if (size == 1) flash_data = (uint32_t)data & 0x00FF; else flash_data = (uint32_t)data; - E1000_WRITE_ICH8_REG(hw, ICH8_FLASH_FDATA0, flash_data); + E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FDATA0, flash_data); /* check if FCERR is set to 1 , if set to 1, clear it and try the whole * sequence a few more times else done */ - error = e1000_ich8_flash_cycle(hw, ICH8_FLASH_COMMAND_TIMEOUT); + error = e1000_ich8_flash_cycle(hw, ICH_FLASH_COMMAND_TIMEOUT); if (error == E1000_SUCCESS) { break; } else { /* If we're here, then things are most likely completely hosed, * but if the error condition is detected, it won't hurt to give - * it another try...ICH8_FLASH_CYCLE_REPEAT_COUNT times. + * it another try...ICH_FLASH_CYCLE_REPEAT_COUNT times. */ - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); if (hsfsts.hsf_status.flcerr == 1) { /* Repeat for some time before giving up. */ continue; @@ -8729,7 +8731,7 @@ e1000_write_ich8_data(struct e1000_hw *hw, uint32_t index, uint32_t size, break; } } - } while (count++ < ICH8_FLASH_CYCLE_REPEAT_COUNT); + } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT); return error; } @@ -8848,7 +8850,7 @@ e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t bank) int32_t j = 0; int32_t error_flag = 0; - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); /* Determine HW Sector size: Read BERASE bits of Hw flash Status register */ /* 00: The Hw sector is 256 bytes, hence we need to erase 16 @@ -8861,19 +8863,14 @@ e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t bank) * 11: The Hw sector size is 64K bytes */ if (hsfsts.hsf_status.berasesz == 0x0) { /* Hw sector size 256 */ - sub_sector_size = ICH8_FLASH_SEG_SIZE_256; - bank_size = ICH8_FLASH_SECTOR_SIZE; - iteration = ICH8_FLASH_SECTOR_SIZE / ICH8_FLASH_SEG_SIZE_256; + sub_sector_size = ICH_FLASH_SEG_SIZE_256; + bank_size = ICH_FLASH_SECTOR_SIZE; + iteration = ICH_FLASH_SECTOR_SIZE / ICH_FLASH_SEG_SIZE_256; } else if (hsfsts.hsf_status.berasesz == 0x1) { - bank_size = ICH8_FLASH_SEG_SIZE_4K; - iteration = 1; - } else if (hw->mac_type != e1000_ich8lan && - hsfsts.hsf_status.berasesz == 0x2) { - /* 8K erase size invalid for ICH8 - added in for ICH9 */ - bank_size = ICH9_FLASH_SEG_SIZE_8K; + bank_size = ICH_FLASH_SEG_SIZE_4K; iteration = 1; } else if (hsfsts.hsf_status.berasesz == 0x3) { - bank_size = ICH8_FLASH_SEG_SIZE_64K; + bank_size = ICH_FLASH_SEG_SIZE_64K; iteration = 1; } else { return error; @@ -8891,9 +8888,9 @@ e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t bank) /* Write a value 11 (block Erase) in Flash Cycle field in Hw flash * Control */ - hsflctl.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFCTL); - hsflctl.hsf_ctrl.flcycle = ICH8_CYCLE_ERASE; - E1000_WRITE_ICH8_REG16(hw, ICH8_FLASH_HSFCTL, hsflctl.regval); + hsflctl.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL); + hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE; + E1000_WRITE_ICH_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval); /* Write the last 24 bits of an index within the block into Flash * Linear address field in Flash Address. This probably needs to @@ -8901,17 +8898,17 @@ e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t bank) * the software bank size (4, 8 or 64 KBytes) */ flash_linear_address = bank * bank_size + j * sub_sector_size; flash_linear_address += hw->flash_base_addr; - flash_linear_address &= ICH8_FLASH_LINEAR_ADDR_MASK; + flash_linear_address &= ICH_FLASH_LINEAR_ADDR_MASK; - E1000_WRITE_ICH8_REG(hw, ICH8_FLASH_FADDR, flash_linear_address); + E1000_WRITE_ICH_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_address); - error = e1000_ich8_flash_cycle(hw, ICH8_FLASH_ERASE_TIMEOUT); + error = e1000_ich8_flash_cycle(hw, ICH_FLASH_ERASE_TIMEOUT); /* Check if FCERR is set to 1. If 1, clear it and try the whole * sequence a few more times else Done */ if (error == E1000_SUCCESS) { break; } else { - hsfsts.regval = E1000_READ_ICH8_REG16(hw, ICH8_FLASH_HSFSTS); + hsfsts.regval = E1000_READ_ICH_FLASH_REG16(hw, ICH_FLASH_HSFSTS); if (hsfsts.hsf_status.flcerr == 1) { /* repeat for some time before giving up */ continue; @@ -8920,7 +8917,7 @@ e1000_erase_ich8_4k_segment(struct e1000_hw *hw, uint32_t bank) break; } } - } while ((count < ICH8_FLASH_CYCLE_REPEAT_COUNT) && !error_flag); + } while ((count < ICH_FLASH_CYCLE_REPEAT_COUNT) && !error_flag); if (error_flag == 1) break; } diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 93c1e260ee6..3321fb13bfa 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -1583,8 +1583,8 @@ struct e1000_hw { #define E1000_HICR_FW_RESET 0xC0 #define E1000_SHADOW_RAM_WORDS 2048 -#define E1000_ICH8_NVM_SIG_WORD 0x13 -#define E1000_ICH8_NVM_SIG_MASK 0xC0 +#define E1000_ICH_NVM_SIG_WORD 0x13 +#define E1000_ICH_NVM_SIG_MASK 0xC0 /* EEPROM Read */ #define E1000_EERD_START 0x00000001 /* Start Read */ @@ -3263,41 +3263,40 @@ struct e1000_host_command_info { #define IFE_PSCL_PROBE_LEDS_OFF 0x0006 /* Force LEDs 0 and 2 off */ #define IFE_PSCL_PROBE_LEDS_ON 0x0007 /* Force LEDs 0 and 2 on */ -#define ICH8_FLASH_COMMAND_TIMEOUT 5000 /* 5000 uSecs - adjusted */ -#define ICH8_FLASH_ERASE_TIMEOUT 3000000 /* Up to 3 seconds - worst case */ -#define ICH8_FLASH_CYCLE_REPEAT_COUNT 10 /* 10 cycles */ -#define ICH8_FLASH_SEG_SIZE_256 256 -#define ICH8_FLASH_SEG_SIZE_4K 4096 -#define ICH9_FLASH_SEG_SIZE_8K 8192 -#define ICH8_FLASH_SEG_SIZE_64K 65536 - -#define ICH8_CYCLE_READ 0x0 -#define ICH8_CYCLE_RESERVED 0x1 -#define ICH8_CYCLE_WRITE 0x2 -#define ICH8_CYCLE_ERASE 0x3 - -#define ICH8_FLASH_GFPREG 0x0000 -#define ICH8_FLASH_HSFSTS 0x0004 -#define ICH8_FLASH_HSFCTL 0x0006 -#define ICH8_FLASH_FADDR 0x0008 -#define ICH8_FLASH_FDATA0 0x0010 -#define ICH8_FLASH_FRACC 0x0050 -#define ICH8_FLASH_FREG0 0x0054 -#define ICH8_FLASH_FREG1 0x0058 -#define ICH8_FLASH_FREG2 0x005C -#define ICH8_FLASH_FREG3 0x0060 -#define ICH8_FLASH_FPR0 0x0074 -#define ICH8_FLASH_FPR1 0x0078 -#define ICH8_FLASH_SSFSTS 0x0090 -#define ICH8_FLASH_SSFCTL 0x0092 -#define ICH8_FLASH_PREOP 0x0094 -#define ICH8_FLASH_OPTYPE 0x0096 -#define ICH8_FLASH_OPMENU 0x0098 - -#define ICH8_FLASH_REG_MAPSIZE 0x00A0 -#define ICH8_FLASH_SECTOR_SIZE 4096 -#define ICH8_GFPREG_BASE_MASK 0x1FFF -#define ICH8_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF +#define ICH_FLASH_COMMAND_TIMEOUT 5000 /* 5000 uSecs - adjusted */ +#define ICH_FLASH_ERASE_TIMEOUT 3000000 /* Up to 3 seconds - worst case */ +#define ICH_FLASH_CYCLE_REPEAT_COUNT 10 /* 10 cycles */ +#define ICH_FLASH_SEG_SIZE_256 256 +#define ICH_FLASH_SEG_SIZE_4K 4096 +#define ICH_FLASH_SEG_SIZE_64K 65536 + +#define ICH_CYCLE_READ 0x0 +#define ICH_CYCLE_RESERVED 0x1 +#define ICH_CYCLE_WRITE 0x2 +#define ICH_CYCLE_ERASE 0x3 + +#define ICH_FLASH_GFPREG 0x0000 +#define ICH_FLASH_HSFSTS 0x0004 +#define ICH_FLASH_HSFCTL 0x0006 +#define ICH_FLASH_FADDR 0x0008 +#define ICH_FLASH_FDATA0 0x0010 +#define ICH_FLASH_FRACC 0x0050 +#define ICH_FLASH_FREG0 0x0054 +#define ICH_FLASH_FREG1 0x0058 +#define ICH_FLASH_FREG2 0x005C +#define ICH_FLASH_FREG3 0x0060 +#define ICH_FLASH_FPR0 0x0074 +#define ICH_FLASH_FPR1 0x0078 +#define ICH_FLASH_SSFSTS 0x0090 +#define ICH_FLASH_SSFCTL 0x0092 +#define ICH_FLASH_PREOP 0x0094 +#define ICH_FLASH_OPTYPE 0x0096 +#define ICH_FLASH_OPMENU 0x0098 + +#define ICH_FLASH_REG_MAPSIZE 0x00A0 +#define ICH_FLASH_SECTOR_SIZE 4096 +#define ICH_GFPREG_BASE_MASK 0x1FFF +#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF /* ICH8 GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ /* Offset 04h HSFSTS */ diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h index 3b7eb7c2001..18afc0c25da 100644 --- a/drivers/net/e1000/e1000_osdep.h +++ b/drivers/net/e1000/e1000_osdep.h @@ -107,16 +107,16 @@ typedef enum { #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS) -#define E1000_WRITE_ICH8_REG(a, reg, value) ( \ +#define E1000_WRITE_ICH_FLASH_REG(a, reg, value) ( \ writel((value), ((a)->flash_address + reg))) -#define E1000_READ_ICH8_REG(a, reg) ( \ +#define E1000_READ_ICH_FLASH_REG(a, reg) ( \ readl((a)->flash_address + reg)) -#define E1000_WRITE_ICH8_REG16(a, reg, value) ( \ +#define E1000_WRITE_ICH_FLASH_REG16(a, reg, value) ( \ writew((value), ((a)->flash_address + reg))) -#define E1000_READ_ICH8_REG16(a, reg) ( \ +#define E1000_READ_ICH_FLASH_REG16(a, reg) ( \ readw((a)->flash_address + reg)) #endif /* _E1000_OSDEP_H_ */ -- cgit v1.2.3 From 6a042dab19567fc888d5b87ce6ab68ac02aea1dc Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:48:04 -0800 Subject: e1000: Only set IDE for tx when we are using TIDV/TADV Spec fix: don't set IDE unless we are actually setting the tx int delay time. Signed-off-by: Auke Kok Signed-off-by: Jesse Brandeburg --- drivers/net/e1000/e1000_main.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 705e654c368..fe22ae8f0a3 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1580,8 +1580,11 @@ e1000_configure_tx(struct e1000_adapter *adapter) e1000_config_collision_dist(hw); /* Setup Transmit Descriptor Settings for eop descriptor */ - adapter->txd_cmd = E1000_TXD_CMD_IDE | E1000_TXD_CMD_EOP | - E1000_TXD_CMD_IFCS; + adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS; + + /* only set IDE if we are delaying interrupts using the timers */ + if (adapter->tx_int_delay) + adapter->txd_cmd |= E1000_TXD_CMD_IDE; if (hw->mac_type < e1000_82543) adapter->txd_cmd |= E1000_TXD_CMD_RPS; -- cgit v1.2.3 From 04fedbfbc3dac1158519f8ef8cc8aca4fe79695b Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:48:07 -0800 Subject: e1000: reorder e1000_param.c This file needs some cleanups and reordering - logically order it so that relevant defines and code are together with properly quoted defaults. Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_param.c | 78 +++++++++++------------------------------ 1 file changed, 20 insertions(+), 58 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index 9c3c1acefcc..e4f88920b46 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -44,16 +44,6 @@ */ #define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET } -/* Module Parameters are always initialized to -1, so that the driver - * can tell the difference between no user specified value or the - * user asking for the default value. - * The true default values are loaded in when e1000_check_options is called. - * - * This is a GCC extension to ANSI C. - * See the item "Labeled Elements in Initializers" in the section - * "Extensions to the C Language Family" of the GCC documentation. - */ - #define E1000_PARAM(X, desc) \ static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \ static int num_##X = 0; \ @@ -67,7 +57,6 @@ * * Default Value: 256 */ - E1000_PARAM(TxDescriptors, "Number of transmit descriptors"); /* Receive Descriptor Count @@ -77,7 +66,6 @@ E1000_PARAM(TxDescriptors, "Number of transmit descriptors"); * * Default Value: 256 */ - E1000_PARAM(RxDescriptors, "Number of receive descriptors"); /* User Specified Speed Override @@ -90,7 +78,6 @@ E1000_PARAM(RxDescriptors, "Number of receive descriptors"); * * Default Value: 0 */ - E1000_PARAM(Speed, "Speed setting"); /* User Specified Duplex Override @@ -102,7 +89,6 @@ E1000_PARAM(Speed, "Speed setting"); * * Default Value: 0 */ - E1000_PARAM(Duplex, "Duplex setting"); /* Auto-negotiation Advertisement Override @@ -119,8 +105,9 @@ E1000_PARAM(Duplex, "Duplex setting"); * * Default Value: 0x2F (copper); 0x20 (fiber) */ - E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting"); +#define AUTONEG_ADV_DEFAULT 0x2F +#define AUTONEG_ADV_MASK 0x2F /* User Specified Flow Control Override * @@ -132,8 +119,8 @@ E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting"); * * Default Value: Read flow control settings from the EEPROM */ - E1000_PARAM(FlowControl, "Flow Control setting"); +#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL /* XsumRX - Receive Checksum Offload Enable/Disable * @@ -144,53 +131,54 @@ E1000_PARAM(FlowControl, "Flow Control setting"); * * Default Value: 1 */ - E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload"); /* Transmit Interrupt Delay in units of 1.024 microseconds + * Tx interrupt delay needs to typically be set to something non zero * * Valid Range: 0-65535 - * - * Default Value: 64 */ - E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay"); +#define DEFAULT_TIDV 64 +#define MAX_TXDELAY 0xFFFF +#define MIN_TXDELAY 0 /* Transmit Absolute Interrupt Delay in units of 1.024 microseconds * * Valid Range: 0-65535 - * - * Default Value: 0 */ - E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay"); +#define DEFAULT_TADV 64 +#define MAX_TXABSDELAY 0xFFFF +#define MIN_TXABSDELAY 0 /* Receive Interrupt Delay in units of 1.024 microseconds + * hardware will likely hang if you set this to anything but zero. * * Valid Range: 0-65535 - * - * Default Value: 0 */ - E1000_PARAM(RxIntDelay, "Receive Interrupt Delay"); +#define DEFAULT_RDTR 0 +#define MAX_RXDELAY 0xFFFF +#define MIN_RXDELAY 0 /* Receive Absolute Interrupt Delay in units of 1.024 microseconds * * Valid Range: 0-65535 - * - * Default Value: 128 */ - E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); +#define DEFAULT_RADV 128 +#define MAX_RXABSDELAY 0xFFFF +#define MIN_RXABSDELAY 0 /* Interrupt Throttle Rate (interrupts/sec) * * Valid Range: 100-100000 (0=off, 1=dynamic) - * - * Default Value: 8000 */ - E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); +#define DEFAULT_ITR 8000 +#define MAX_ITR 100000 +#define MIN_ITR 100 /* Enable Smart Power Down of the PHY * @@ -198,7 +186,6 @@ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); * * Default Value: 0 (disabled) */ - E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); /* Enable Kumeran Lock Loss workaround @@ -207,33 +194,8 @@ E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down"); * * Default Value: 1 (enabled) */ - E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround"); -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define DEFAULT_RDTR 0 -#define MAX_RXDELAY 0xFFFF -#define MIN_RXDELAY 0 - -#define DEFAULT_RADV 128 -#define MAX_RXABSDELAY 0xFFFF -#define MIN_RXABSDELAY 0 - -#define DEFAULT_TIDV 64 -#define MAX_TXDELAY 0xFFFF -#define MIN_TXDELAY 0 - -#define DEFAULT_TADV 64 -#define MAX_TXABSDELAY 0xFFFF -#define MIN_TXABSDELAY 0 - -#define DEFAULT_ITR 8000 -#define MAX_ITR 100000 -#define MIN_ITR 100 - struct e1000_option { enum { enable_option, range_option, list_option } type; char *name; -- cgit v1.2.3 From 9ac98284428961bd5be285a6cc1f5e6f5b6644aa Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:48:10 -0800 Subject: e1000: add dynamic generic MSI interrupt routine Add a generic MSI interrupt routine that is IO read-free, speeding up MSI interrupt handling. Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 90 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 88 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index fe22ae8f0a3..35e4e32c770 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -157,6 +157,9 @@ static struct net_device_stats * e1000_get_stats(struct net_device *netdev); static int e1000_change_mtu(struct net_device *netdev, int new_mtu); static int e1000_set_mac(struct net_device *netdev, void *p); static irqreturn_t e1000_intr(int irq, void *data); +#ifdef CONFIG_PCI_MSI +static irqreturn_t e1000_intr_msi(int irq, void *data); +#endif static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring); #ifdef CONFIG_E1000_NAPI @@ -288,7 +291,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter) flags = IRQF_SHARED; #ifdef CONFIG_PCI_MSI - if (adapter->hw.mac_type > e1000_82547_rev_2) { + if (adapter->hw.mac_type >= e1000_82571) { adapter->have_msi = TRUE; if ((err = pci_enable_msi(adapter->pdev))) { DPRINTK(PROBE, ERR, @@ -296,8 +299,14 @@ static int e1000_request_irq(struct e1000_adapter *adapter) adapter->have_msi = FALSE; } } - if (adapter->have_msi) + if (adapter->have_msi) { flags &= ~IRQF_SHARED; + err = request_irq(adapter->pdev->irq, &e1000_intr_msi, flags, + netdev->name, netdev); + if (err) + DPRINTK(PROBE, ERR, + "Unable to allocate interrupt Error: %d\n", err); + } else #endif if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags, netdev->name, netdev))) @@ -3466,6 +3475,83 @@ e1000_update_stats(struct e1000_adapter *adapter) spin_unlock_irqrestore(&adapter->stats_lock, flags); } +#ifdef CONFIG_PCI_MSI + +/** + * e1000_intr_msi - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + **/ + +static +irqreturn_t e1000_intr_msi(int irq, void *data) +{ + struct net_device *netdev = data; + struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; +#ifndef CONFIG_E1000_NAPI + int i; +#endif + + /* this code avoids the read of ICR but has to get 1000 interrupts + * at every link change event before it will notice the change */ + if (++adapter->detect_link >= 1000) { + uint32_t icr = E1000_READ_REG(hw, ICR); +#ifdef CONFIG_E1000_NAPI + /* read ICR disables interrupts using IAM, so keep up with our + * enable/disable accounting */ + atomic_inc(&adapter->irq_sem); +#endif + adapter->detect_link = 0; + if ((icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) && + (icr & E1000_ICR_INT_ASSERTED)) { + hw->get_link_status = 1; + /* 80003ES2LAN workaround-- + * For packet buffer work-around on link down event; + * disable receives here in the ISR and + * reset adapter in watchdog + */ + if (netif_carrier_ok(netdev) && + (adapter->hw.mac_type == e1000_80003es2lan)) { + /* disable receives */ + uint32_t rctl = E1000_READ_REG(hw, RCTL); + E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); + } + /* guard against interrupt when we're going down */ + if (!test_bit(__E1000_DOWN, &adapter->flags)) + mod_timer(&adapter->watchdog_timer, + jiffies + 1); + } + } else { + E1000_WRITE_REG(hw, ICR, (0xffffffff & ~(E1000_ICR_RXSEQ | + E1000_ICR_LSC))); + /* bummer we have to flush here, but things break otherwise as + * some event appears to be lost or delayed and throughput + * drops. In almost all tests this flush is un-necessary */ + E1000_WRITE_FLUSH(hw); +#ifdef CONFIG_E1000_NAPI + /* Interrupt Auto-Mask (IAM)...upon writing ICR, interrupts are + * masked. No need for the IMC write, but it does mean we + * should account for it ASAP. */ + atomic_inc(&adapter->irq_sem); +#endif + } + +#ifdef CONFIG_E1000_NAPI + if (likely(netif_rx_schedule_prep(netdev))) + __netif_rx_schedule(netdev); + else + e1000_irq_enable(adapter); +#else + for (i = 0; i < E1000_MAX_INTR; i++) + if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & + !e1000_clean_tx_irq(adapter, adapter->tx_ring))) + break; +#endif + + return IRQ_HANDLED; +} +#endif /** * e1000_intr - Interrupt Handler -- cgit v1.2.3 From 835bb1298311f372a3387fb40b952b18d90aa9f8 Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Wed, 1 Nov 2006 08:48:13 -0800 Subject: e1000: add dynamic itr modes Add a new dynamic itr algorithm, with 2 modes, and make it the default operation mode. This greatly reduces latency and increases small packet performance, at the "cost" of some CPU utilization. Bulk traffic throughput is unaffected. The driver can limit the amount of interrupts per second that the adapter will generate for incoming packets. It does this by writing a value to the adapter that is based on the maximum amount of interrupts that the adapter will generate per second. Setting InterruptThrottleRate to a value greater or equal to 100 will program the adapter to send out a maximum of that many interrupts per second, even if more packets have come in. This reduces interrupt load on the system and can lower CPU utilization under heavy load, but will increase latency as packets are not processed as quickly. The default behaviour of the driver previously assumed a static InterruptThrottleRate value of 8000, providing a good fallback value for all traffic types,but lacking in small packet performance and latency. The hardware can handle many more small packets per second however, and for this reason an adaptive interrupt moderation algorithm was implemented. Since 7.3.x, the driver has two adaptive modes (setting 1 or 3) in which it dynamically adjusts the InterruptThrottleRate value based on the traffic that it receives. After determining the type of incoming traffic in the last timeframe, it will adjust the InterruptThrottleRate to an appropriate value for that traffic. The algorithm classifies the incoming traffic every interval into classes. Once the class is determined, the InterruptThrottleRate value is adjusted to suit that traffic type the best. There are three classes defined: "Bulk traffic", for large amounts of packets of normal size; "Low latency", for small amounts of traffic and/or a significant percentage of small packets; and "Lowest latency", for almost completely small packets or minimal traffic. In dynamic conservative mode, the InterruptThrottleRate value is set to 4000 for traffic that falls in class "Bulk traffic". If traffic falls in the "Low latency" or "Lowest latency" class, the InterruptThrottleRate is increased stepwise to 20000. This default mode is suitable for most applications. For situations where low latency is vital such as cluster or grid computing, the algorithm can reduce latency even more when InterruptThrottleRate is set to mode 1. In this mode, which operates the same as mode 3, the InterruptThrottleRate will be increased stepwise to 70000 for traffic in class "Lowest latency". Setting InterruptThrottleRate to 0 turns off any interrupt moderation and may improve small packet latency, but is generally not suitable for bulk throughput traffic. Signed-off-by: Jesse Brandeburg Cc: Rick Jones Signed-off-by: Auke Kok --- drivers/net/e1000/e1000.h | 13 ++- drivers/net/e1000/e1000_main.c | 226 ++++++++++++++++++++++++++++++++++------ drivers/net/e1000/e1000_param.c | 28 +++-- 3 files changed, 228 insertions(+), 39 deletions(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 896ea8a7238..f091042b146 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -257,6 +257,17 @@ struct e1000_adapter { spinlock_t tx_queue_lock; #endif atomic_t irq_sem; + unsigned int detect_link; + unsigned int total_tx_bytes; + unsigned int total_tx_packets; + unsigned int total_rx_bytes; + unsigned int total_rx_packets; + /* Interrupt Throttle Rate */ + uint32_t itr; + uint32_t itr_setting; + uint16_t tx_itr; + uint16_t rx_itr; + struct work_struct reset_task; uint8_t fc_autoneg; @@ -314,8 +325,6 @@ struct e1000_adapter { uint64_t gorcl_old; uint16_t rx_ps_bsize0; - /* Interrupt Throttle Rate */ - uint32_t itr; /* OS defined structs */ struct net_device *netdev; diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 35e4e32c770..56be5c89363 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1897,7 +1897,7 @@ e1000_configure_rx(struct e1000_adapter *adapter) if (hw->mac_type >= e1000_82540) { E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay); - if (adapter->itr > 1) + if (adapter->itr_setting != 0) E1000_WRITE_REG(hw, ITR, 1000000000 / (adapter->itr * 256)); } @@ -1907,11 +1907,11 @@ e1000_configure_rx(struct e1000_adapter *adapter) /* Reset delay timers after every interrupt */ ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR; #ifdef CONFIG_E1000_NAPI - /* Auto-Mask interrupts upon ICR read. */ + /* Auto-Mask interrupts upon ICR access */ ctrl_ext |= E1000_CTRL_EXT_IAME; + E1000_WRITE_REG(hw, IAM, 0xffffffff); #endif E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); - E1000_WRITE_REG(hw, IAM, ~0); E1000_WRITE_FLUSH(hw); } @@ -2576,19 +2576,6 @@ e1000_watchdog(unsigned long data) } } - /* Dynamic mode for Interrupt Throttle Rate (ITR) */ - if (adapter->hw.mac_type >= e1000_82540 && adapter->itr == 1) { - /* Symmetric Tx/Rx gets a reduced ITR=2000; Total - * asymmetrical Tx or Rx gets ITR=8000; everyone - * else is between 2000-8000. */ - uint32_t goc = (adapter->gotcl + adapter->gorcl) / 10000; - uint32_t dif = (adapter->gotcl > adapter->gorcl ? - adapter->gotcl - adapter->gorcl : - adapter->gorcl - adapter->gotcl) / 10000; - uint32_t itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000; - E1000_WRITE_REG(&adapter->hw, ITR, 1000000000 / (itr * 256)); - } - /* Cause software interrupt to ensure rx ring is cleaned */ E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0); @@ -2604,6 +2591,135 @@ e1000_watchdog(unsigned long data) mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); } +enum latency_range { + lowest_latency = 0, + low_latency = 1, + bulk_latency = 2, + latency_invalid = 255 +}; + +/** + * e1000_update_itr - update the dynamic ITR value based on statistics + * Stores a new ITR value based on packets and byte + * counts during the last interrupt. The advantage of per interrupt + * computation is faster updates and more accurate ITR for the current + * traffic pattern. Constants in this function were computed + * based on theoretical maximum wire speed and thresholds were set based + * on testing data as well as attempting to minimize response time + * while increasing bulk throughput. + * this functionality is controlled by the InterruptThrottleRate module + * parameter (see e1000_param.c) + * @adapter: pointer to adapter + * @itr_setting: current adapter->itr + * @packets: the number of packets during this measurement interval + * @bytes: the number of bytes during this measurement interval + **/ +static unsigned int e1000_update_itr(struct e1000_adapter *adapter, + uint16_t itr_setting, + int packets, + int bytes) +{ + unsigned int retval = itr_setting; + struct e1000_hw *hw = &adapter->hw; + + if (unlikely(hw->mac_type < e1000_82540)) + goto update_itr_done; + + if (packets == 0) + goto update_itr_done; + + + switch (itr_setting) { + case lowest_latency: + if ((packets < 5) && (bytes > 512)) + retval = low_latency; + break; + case low_latency: /* 50 usec aka 20000 ints/s */ + if (bytes > 10000) { + if ((packets < 10) || + ((bytes/packets) > 1200)) + retval = bulk_latency; + else if ((packets > 35)) + retval = lowest_latency; + } else if (packets <= 2 && bytes < 512) + retval = lowest_latency; + break; + case bulk_latency: /* 250 usec aka 4000 ints/s */ + if (bytes > 25000) { + if (packets > 35) + retval = low_latency; + } else { + if (bytes < 6000) + retval = low_latency; + } + break; + } + +update_itr_done: + return retval; +} + +static void e1000_set_itr(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + uint16_t current_itr; + uint32_t new_itr = adapter->itr; + + if (unlikely(hw->mac_type < e1000_82540)) + return; + + /* for non-gigabit speeds, just fix the interrupt rate at 4000 */ + if (unlikely(adapter->link_speed != SPEED_1000)) { + current_itr = 0; + new_itr = 4000; + goto set_itr_now; + } + + adapter->tx_itr = e1000_update_itr(adapter, + adapter->tx_itr, + adapter->total_tx_packets, + adapter->total_tx_bytes); + adapter->rx_itr = e1000_update_itr(adapter, + adapter->rx_itr, + adapter->total_rx_packets, + adapter->total_rx_bytes); + + current_itr = max(adapter->rx_itr, adapter->tx_itr); + + /* conservative mode eliminates the lowest_latency setting */ + if (current_itr == lowest_latency && (adapter->itr_setting == 3)) + current_itr = low_latency; + + switch (current_itr) { + /* counts and packets in update_itr are dependent on these numbers */ + case lowest_latency: + new_itr = 70000; + break; + case low_latency: + new_itr = 20000; /* aka hwitr = ~200 */ + break; + case bulk_latency: + new_itr = 4000; + break; + default: + break; + } + +set_itr_now: + if (new_itr != adapter->itr) { + /* this attempts to bias the interrupt rate towards Bulk + * by adding intermediate steps when interrupt rate is + * increasing */ + new_itr = new_itr > adapter->itr ? + min(adapter->itr + (new_itr >> 2), new_itr) : + new_itr; + adapter->itr = new_itr; + E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256)); + } + + return; +} + #define E1000_TX_FLAGS_CSUM 0x00000001 #define E1000_TX_FLAGS_VLAN 0x00000002 #define E1000_TX_FLAGS_TSO 0x00000004 @@ -3538,15 +3654,27 @@ irqreturn_t e1000_intr_msi(int irq, void *data) } #ifdef CONFIG_E1000_NAPI - if (likely(netif_rx_schedule_prep(netdev))) + if (likely(netif_rx_schedule_prep(netdev))) { + adapter->total_tx_bytes = 0; + adapter->total_tx_packets = 0; + adapter->total_rx_bytes = 0; + adapter->total_rx_packets = 0; __netif_rx_schedule(netdev); - else + } else e1000_irq_enable(adapter); #else + adapter->total_tx_bytes = 0; + adapter->total_rx_bytes = 0; + adapter->total_tx_packets = 0; + adapter->total_rx_packets = 0; + for (i = 0; i < E1000_MAX_INTR; i++) if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & !e1000_clean_tx_irq(adapter, adapter->tx_ring))) break; + + if (likely(adapter->itr_setting & 3)) + e1000_set_itr(adapter); #endif return IRQ_HANDLED; @@ -3568,7 +3696,17 @@ e1000_intr(int irq, void *data) uint32_t rctl, icr = E1000_READ_REG(hw, ICR); #ifndef CONFIG_E1000_NAPI int i; -#else +#endif + if (unlikely(!icr)) + return IRQ_NONE; /* Not our interrupt */ + +#ifdef CONFIG_E1000_NAPI + /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is + * not set, then the adapter didn't send an interrupt */ + if (unlikely(hw->mac_type >= e1000_82571 && + !(icr & E1000_ICR_INT_ASSERTED))) + return IRQ_NONE; + /* Interrupt Auto-Mask...upon reading ICR, * interrupts are masked. No need for the * IMC write, but it does mean we should @@ -3577,14 +3715,6 @@ e1000_intr(int irq, void *data) atomic_inc(&adapter->irq_sem); #endif - if (unlikely(!icr)) { -#ifdef CONFIG_E1000_NAPI - if (hw->mac_type >= e1000_82571) - e1000_irq_enable(adapter); -#endif - return IRQ_NONE; /* Not our interrupt */ - } - if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { hw->get_link_status = 1; /* 80003ES2LAN workaround-- @@ -3605,13 +3735,18 @@ e1000_intr(int irq, void *data) #ifdef CONFIG_E1000_NAPI if (unlikely(hw->mac_type < e1000_82571)) { + /* disable interrupts, without the synchronize_irq bit */ atomic_inc(&adapter->irq_sem); E1000_WRITE_REG(hw, IMC, ~0); E1000_WRITE_FLUSH(hw); } - if (likely(netif_rx_schedule_prep(netdev))) + if (likely(netif_rx_schedule_prep(netdev))) { + adapter->total_tx_bytes = 0; + adapter->total_tx_packets = 0; + adapter->total_rx_bytes = 0; + adapter->total_rx_packets = 0; __netif_rx_schedule(netdev); - else + } else /* this really should not happen! if it does it is basically a * bug, but not a hard error, so enable ints and continue */ e1000_irq_enable(adapter); @@ -3631,11 +3766,19 @@ e1000_intr(int irq, void *data) E1000_WRITE_REG(hw, IMC, ~0); } + adapter->total_tx_bytes = 0; + adapter->total_rx_bytes = 0; + adapter->total_tx_packets = 0; + adapter->total_rx_packets = 0; + for (i = 0; i < E1000_MAX_INTR; i++) if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & !e1000_clean_tx_irq(adapter, adapter->tx_ring))) break; + if (likely(adapter->itr_setting & 3)) + e1000_set_itr(adapter); + if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) e1000_irq_enable(adapter); @@ -3683,6 +3826,8 @@ e1000_clean(struct net_device *poll_dev, int *budget) if ((!tx_cleaned && (work_done == 0)) || !netif_running(poll_dev)) { quit_polling: + if (likely(adapter->itr_setting & 3)) + e1000_set_itr(adapter); netif_rx_complete(poll_dev); e1000_irq_enable(adapter); return 0; @@ -3709,6 +3854,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, unsigned int count = 0; #endif boolean_t cleaned = FALSE; + unsigned int total_tx_bytes=0, total_tx_packets=0; i = tx_ring->next_to_clean; eop = tx_ring->buffer_info[i].next_to_watch; @@ -3720,6 +3866,13 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); + if (cleaned) { + /* this packet count is wrong for TSO but has a + * tendency to make dynamic ITR change more + * towards bulk */ + total_tx_packets++; + total_tx_bytes += buffer_info->skb->len; + } e1000_unmap_and_free_tx_resource(adapter, buffer_info); tx_desc->upper.data = 0; @@ -3785,6 +3938,8 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, netif_stop_queue(netdev); } } + adapter->total_tx_bytes += total_tx_bytes; + adapter->total_tx_packets += total_tx_packets; return cleaned; } @@ -3864,6 +4019,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, unsigned int i; int cleaned_count = 0; boolean_t cleaned = FALSE; + unsigned int total_rx_bytes=0, total_rx_packets=0; i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC(*rx_ring, i); @@ -3930,6 +4086,10 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, * done after the TBI_ACCEPT workaround above */ length -= 4; + /* probably a little skewed due to removing CRC */ + total_rx_bytes += length; + total_rx_packets++; + /* code added for copybreak, this should improve * performance for small packets with large amounts * of reassembly being done in the stack */ @@ -3998,6 +4158,8 @@ next_desc: if (cleaned_count) adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); + adapter->total_rx_packets += total_rx_packets; + adapter->total_rx_bytes += total_rx_bytes; return cleaned; } @@ -4027,6 +4189,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, uint32_t length, staterr; int cleaned_count = 0; boolean_t cleaned = FALSE; + unsigned int total_rx_bytes=0, total_rx_packets=0; i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC_PS(*rx_ring, i); @@ -4131,6 +4294,9 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, pskb_trim(skb, skb->len - 4); copydone: + total_rx_bytes += skb->len; + total_rx_packets++; + e1000_rx_checksum(adapter, staterr, le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb); skb->protocol = eth_type_trans(skb, netdev); @@ -4179,6 +4345,8 @@ next_desc: if (cleaned_count) adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); + adapter->total_rx_packets += total_rx_packets; + adapter->total_rx_bytes += total_rx_bytes; return cleaned; } diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index e4f88920b46..cbfcd7f2889 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -139,7 +139,7 @@ E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload"); * Valid Range: 0-65535 */ E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay"); -#define DEFAULT_TIDV 64 +#define DEFAULT_TIDV 8 #define MAX_TXDELAY 0xFFFF #define MIN_TXDELAY 0 @@ -148,7 +148,7 @@ E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay"); * Valid Range: 0-65535 */ E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay"); -#define DEFAULT_TADV 64 +#define DEFAULT_TADV 32 #define MAX_TXABSDELAY 0xFFFF #define MIN_TXABSDELAY 0 @@ -167,16 +167,16 @@ E1000_PARAM(RxIntDelay, "Receive Interrupt Delay"); * Valid Range: 0-65535 */ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); -#define DEFAULT_RADV 128 +#define DEFAULT_RADV 8 #define MAX_RXABSDELAY 0xFFFF #define MIN_RXABSDELAY 0 /* Interrupt Throttle Rate (interrupts/sec) * - * Valid Range: 100-100000 (0=off, 1=dynamic) + * Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative) */ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); -#define DEFAULT_ITR 8000 +#define DEFAULT_ITR 3 #define MAX_ITR 100000 #define MIN_ITR 100 @@ -472,15 +472,27 @@ e1000_check_options(struct e1000_adapter *adapter) break; case 1: DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", - opt.name); + opt.name); + adapter->itr_setting = adapter->itr; + adapter->itr = 20000; + break; + case 3: + DPRINTK(PROBE, INFO, + "%s set to dynamic conservative mode\n", + opt.name); + adapter->itr_setting = adapter->itr; + adapter->itr = 20000; break; default: e1000_validate_option(&adapter->itr, &opt, - adapter); + adapter); + /* save the setting, because the dynamic bits change itr */ + adapter->itr_setting = adapter->itr; break; } } else { - adapter->itr = opt.def; + adapter->itr_setting = opt.def; + adapter->itr = 20000; } } { /* Smart Power Down */ -- cgit v1.2.3 From 25006ac61e514628b9d0f78fce0bed155f4f109c Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 1 Nov 2006 08:48:15 -0800 Subject: e1000: increment version to 7.3.15-k2 Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 56be5c89363..a2f1464ba49 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -35,7 +35,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; #else #define DRIVERNAPI "-NAPI" #endif -#define DRV_VERSION "7.2.9-k4"DRIVERNAPI +#define DRV_VERSION "7.3.15-k2"DRIVERNAPI char e1000_driver_version[] = DRV_VERSION; static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; -- cgit v1.2.3 From bf793295e1090af84972750898bf8470df5e5419 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Wed, 1 Nov 2006 00:53:05 +0100 Subject: r8169: perform a PHY reset before any other operation at boot time Realtek's 8139/810x (0x8136) PCI-E comes with a touchy PHY. A big heavy reset seems to calm it down. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7378. Signed-off-by: Francois Romieu Signed-off-by: Darren Salt --- drivers/net/r8169.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index b977ed85ff3..45d3ca43195 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -571,8 +571,8 @@ static void rtl8169_xmii_reset_enable(void __iomem *ioaddr) { unsigned int val; - val = (mdio_read(ioaddr, MII_BMCR) | BMCR_RESET) & 0xffff; - mdio_write(ioaddr, MII_BMCR, val); + mdio_write(ioaddr, MII_BMCR, BMCR_RESET); + val = mdio_read(ioaddr, MII_BMCR); } static void rtl8169_check_link_status(struct net_device *dev, @@ -1406,6 +1406,22 @@ static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev, free_netdev(dev); } +static void rtl8169_phy_reset(struct net_device *dev, + struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + int i; + + tp->phy_reset_enable(ioaddr); + for (i = 0; i < 100; i++) { + if (!tp->phy_reset_pending(ioaddr)) + return; + msleep(1); + } + if (netif_msg_link(tp)) + printk(KERN_ERR "%s: PHY reset failed.\n", dev->name); +} + static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; @@ -1434,6 +1450,8 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) rtl8169_link_option(board_idx, &autoneg, &speed, &duplex); + rtl8169_phy_reset(dev, tp); + rtl8169_set_speed(dev, autoneg, speed, duplex); if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp)) -- cgit v1.2.3 From c3a9392e4f3b9d97803b067871d66bc143369dbf Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Mon, 23 Oct 2006 22:20:15 +0200 Subject: [PATCH] kmemdup() cleanup in drivers/net hi, replace open coded kmemdup() to save some screen space, and allow inlining/not inlining to be triggered by gcc. Signed-off-by: Eric Sesterhenn Signed-off-by: Jeff Garzik --- drivers/net/tulip/de2104x.c | 4 +--- drivers/net/wireless/ipw2100.c | 3 +-- 2 files changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index f6b3a94e97b..9d67f11422e 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -1906,9 +1906,7 @@ fill_defaults: de->media[i].csr15 = t21041_csr15[i]; } - de->ee_data = kmalloc(DE_EEPROM_SIZE, GFP_KERNEL); - if (de->ee_data) - memcpy(de->ee_data, &ee_data[0], DE_EEPROM_SIZE); + de->ee_data = kmemdup(&ee_data[0], DE_EEPROM_SIZE, GFP_KERNEL); return; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 4e4eaa2a99c..5bf4d4119c3 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -7568,11 +7568,10 @@ static int ipw2100_wx_set_genie(struct net_device *dev, return -EINVAL; if (wrqu->data.length) { - buf = kmalloc(wrqu->data.length, GFP_KERNEL); + buf = kmemdup(extra, wrqu->data.length, GFP_KERNEL); if (buf == NULL) return -ENOMEM; - memcpy(buf, extra, wrqu->data.length); kfree(ieee->wpa_ie); ieee->wpa_ie = buf; ieee->wpa_ie_len = wrqu->data.length; -- cgit v1.2.3 From b2e68aa337f950e4a8c893a82b95b1755309bc56 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 23 Oct 2006 13:53:17 +0100 Subject: [PATCH] defxx: Big-endian hosts support The PDQ DMA engine requires a different byte-swapping mode for big-endian hosts; also the MAC address which is read from a register through PIO has to be byte-swapped. These changes have been verified with DEFPA-DC (PCI) boards and a Broadcom BCM91250A (MIPS CPU based) host. Signed-off-by: Maciej W. Rozycki Signed-off-by: Jeff Garzik --- drivers/net/defxx.c | 39 +++++++++++++++++++-------------------- drivers/net/defxx.h | 15 ++++++++++++--- 2 files changed, 31 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c index 8f514cc0deb..dc3ab3b5c8c 100644 --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -192,6 +192,7 @@ * 04 Aug 2003 macro Converted to the DMA API. * 14 Aug 2004 macro Fix device names reported. * 14 Jun 2005 macro Use irqreturn_t. + * 23 Oct 2006 macro Big-endian host support. */ /* Include files */ @@ -218,8 +219,8 @@ /* Version information string should be updated prior to each new release! */ #define DRV_NAME "defxx" -#define DRV_VERSION "v1.08" -#define DRV_RELDATE "2005/06/14" +#define DRV_VERSION "v1.09" +#define DRV_RELDATE "2006/10/23" static char version[] __devinitdata = DRV_NAME ": " DRV_VERSION " " DRV_RELDATE @@ -859,6 +860,7 @@ static int __devinit dfx_driver_init(struct net_device *dev, print_name); return(DFX_K_FAILURE); } + data = cpu_to_le32(data); memcpy(&bp->factory_mac_addr[0], &data, sizeof(u32)); if (dfx_hw_port_ctrl_req(bp, PI_PCTRL_M_MLA, PI_PDATA_A_MLA_K_HI, 0, @@ -867,6 +869,7 @@ static int __devinit dfx_driver_init(struct net_device *dev, print_name); return(DFX_K_FAILURE); } + data = cpu_to_le32(data); memcpy(&bp->factory_mac_addr[4], &data, sizeof(u16)); /* @@ -1085,27 +1088,23 @@ static int dfx_adap_init(DFX_board_t *bp, int get_buffers) } /* - * Set base address of Descriptor Block and bring adapter to DMA_AVAILABLE state + * Set the base address of Descriptor Block and bring adapter + * to DMA_AVAILABLE state. * - * Note: We also set the literal and data swapping requirements in this - * command. Since this driver presently runs on Intel platforms - * which are Little Endian, we'll tell the adapter to byte swap - * data only. This code will need to change when we support - * Big Endian systems (eg. PowerPC). + * Note: We also set the literal and data swapping requirements + * in this command. * - * Assumption: 32-bit physical address of descriptor block is 8Kbyte - * aligned. That is, bits 0-12 of the address must be zero. + * Assumption: 32-bit physical address of descriptor block + * is 8Kbyte aligned. */ - - if (dfx_hw_port_ctrl_req(bp, - PI_PCTRL_M_INIT, - (u32) (bp->descr_block_phys | PI_PDATA_A_INIT_M_BSWAP_DATA), - 0, - NULL) != DFX_K_SUCCESS) - { - printk("%s: Could not set descriptor block address!\n", bp->dev->name); - return(DFX_K_FAILURE); - } + if (dfx_hw_port_ctrl_req(bp, PI_PCTRL_M_INIT, + (u32)(bp->descr_block_phys | + PI_PDATA_A_INIT_M_BSWAP_INIT), + 0, NULL) != DFX_K_SUCCESS) { + printk("%s: Could not set descriptor block address!\n", + bp->dev->name); + return DFX_K_FAILURE; + } /* Set transmit flush timeout value */ diff --git a/drivers/net/defxx.h b/drivers/net/defxx.h index 8b1e9a11ca2..2ce8f97253e 100644 --- a/drivers/net/defxx.h +++ b/drivers/net/defxx.h @@ -25,6 +25,7 @@ * macros to DEFXX.C. * 12-Sep-96 LVS Removed packet request header pointers. * 04 Aug 2003 macro Converted to the DMA API. + * 23 Oct 2006 macro Big-endian host support. */ #ifndef _DEFXX_H_ @@ -1344,7 +1345,7 @@ typedef struct /* Register definition structures are defined for both big and little endian systems */ -#ifndef BIG_ENDIAN +#ifndef __BIG_ENDIAN /* Little endian format of Type 1 Producer register */ @@ -1402,7 +1403,11 @@ typedef union } index; } PI_TYPE_2_CONSUMER; -#else +/* Define swapping required by DMA transfers. */ +#define PI_PDATA_A_INIT_M_BSWAP_INIT \ + (PI_PDATA_A_INIT_M_BSWAP_DATA) + +#else /* __BIG_ENDIAN */ /* Big endian format of Type 1 Producer register */ @@ -1460,7 +1465,11 @@ typedef union } index; } PI_TYPE_2_CONSUMER; -#endif /* #ifndef BIG_ENDIAN */ +/* Define swapping required by DMA transfers. */ +#define PI_PDATA_A_INIT_M_BSWAP_INIT \ + (PI_PDATA_A_INIT_M_BSWAP_DATA | PI_PDATA_A_INIT_M_BSWAP_LITERAL) + +#endif /* __BIG_ENDIAN */ /* Define EISA controller register offsets */ -- cgit v1.2.3 From 7e680c22c0579f1db7b84a7b155755a2754f9557 Mon Sep 17 00:00:00 2001 From: Ayaz Abdulla Date: Mon, 30 Oct 2006 17:31:51 -0500 Subject: [PATCH] forcedeth: add mgmt unit support This patch adds support for the mgmt unit in certain chipsets. The MAC and the mgmt unit share the PHY and therefore proper intialization procedures are needed for them to maintain coexistense. Signed-Off-By: Ayaz Abdulla Signed-off-by: Jeff Garzik --- drivers/net/forcedeth.c | 151 ++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 134 insertions(+), 17 deletions(-) (limited to 'drivers') diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 87af5e497c5..5472d12122b 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -110,6 +110,7 @@ * 0.55: 22 Mar 2006: Add flow control (pause frame). * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. + * 0.58: 30 Oct 2006: Added support for sideband management unit. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -126,7 +127,7 @@ #else #define DRIVERNAPI #endif -#define FORCEDETH_VERSION "0.57" +#define FORCEDETH_VERSION "0.58" #define DRV_NAME "forcedeth" #include @@ -174,6 +175,7 @@ #define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ #define DEV_HAS_STATISTICS 0x0400 /* device supports hw statistics */ #define DEV_HAS_TEST_EXTENDED 0x0800 /* device supports extended diagnostic test */ +#define DEV_HAS_MGMT_UNIT 0x1000 /* device supports management unit */ enum { NvRegIrqStatus = 0x000, @@ -222,6 +224,15 @@ enum { #define NVREG_MAC_RESET_ASSERT 0x0F3 NvRegTransmitterControl = 0x084, #define NVREG_XMITCTL_START 0x01 +#define NVREG_XMITCTL_MGMT_ST 0x40000000 +#define NVREG_XMITCTL_SYNC_MASK 0x000f0000 +#define NVREG_XMITCTL_SYNC_NOT_READY 0x0 +#define NVREG_XMITCTL_SYNC_PHY_INIT 0x00040000 +#define NVREG_XMITCTL_MGMT_SEMA_MASK 0x00000f00 +#define NVREG_XMITCTL_MGMT_SEMA_FREE 0x0 +#define NVREG_XMITCTL_HOST_SEMA_MASK 0x0000f000 +#define NVREG_XMITCTL_HOST_SEMA_ACQ 0x0000f000 +#define NVREG_XMITCTL_HOST_LOADED 0x00004000 NvRegTransmitterStatus = 0x088, #define NVREG_XMITSTAT_BUSY 0x01 @@ -304,8 +315,8 @@ enum { #define NVREG_MIISTAT_LINKCHANGE 0x0008 #define NVREG_MIISTAT_MASK 0x000f #define NVREG_MIISTAT_MASK2 0x000f - NvRegUnknownSetupReg4 = 0x184, -#define NVREG_UNKSETUP4_VAL 8 + NvRegMIIMask = 0x184, +#define NVREG_MII_LINKCHANGE 0x0008 NvRegAdapterControl = 0x188, #define NVREG_ADAPTCTL_START 0x02 @@ -719,6 +730,7 @@ struct fe_priv { u32 driver_data; u32 register_size; int rx_csum; + u32 mac_in_use; void __iomem *base; @@ -4030,6 +4042,54 @@ static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) /* nothing to do */ }; +/* The mgmt unit and driver use a semaphore to access the phy during init */ +static int nv_mgmt_acquire_sema(struct net_device *dev) +{ + u8 __iomem *base = get_hwbase(dev); + int i; + u32 tx_ctrl, mgmt_sema; + + for (i = 0; i < 10; i++) { + mgmt_sema = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_SEMA_MASK; + if (mgmt_sema == NVREG_XMITCTL_MGMT_SEMA_FREE) + break; + msleep(500); + } + + if (mgmt_sema != NVREG_XMITCTL_MGMT_SEMA_FREE) + return 0; + + for (i = 0; i < 2; i++) { + tx_ctrl = readl(base + NvRegTransmitterControl); + tx_ctrl |= NVREG_XMITCTL_HOST_SEMA_ACQ; + writel(tx_ctrl, base + NvRegTransmitterControl); + + /* verify that semaphore was acquired */ + tx_ctrl = readl(base + NvRegTransmitterControl); + if (((tx_ctrl & NVREG_XMITCTL_HOST_SEMA_MASK) == NVREG_XMITCTL_HOST_SEMA_ACQ) && + ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE)) + return 1; + else + udelay(50); + } + + return 0; +} + +/* Indicate to mgmt unit whether driver is loaded or not */ +static void nv_mgmt_driver_loaded(struct net_device *dev, int loaded) +{ + u8 __iomem *base = get_hwbase(dev); + u32 tx_ctrl; + + tx_ctrl = readl(base + NvRegTransmitterControl); + if (loaded) + tx_ctrl |= NVREG_XMITCTL_HOST_LOADED; + else + tx_ctrl &= ~NVREG_XMITCTL_HOST_LOADED; + writel(tx_ctrl, base + NvRegTransmitterControl); +} + static int nv_open(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); @@ -4085,7 +4145,7 @@ static int nv_open(struct net_device *dev) NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); - writel(0, base + NvRegUnknownSetupReg4); + writel(0, base + NvRegMIIMask); writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); @@ -4111,7 +4171,7 @@ static int nv_open(struct net_device *dev) writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); - writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4); + writel(NVREG_MII_LINKCHANGE, base + NvRegMIIMask); if (np->wolenabled) writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); @@ -4230,6 +4290,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i u8 __iomem *base; int err, i; u32 powerstate, txreg; + u32 phystate_orig = 0, phystate; + int phyinitialized = 0; dev = alloc_etherdev(sizeof(struct fe_priv)); err = -ENOMEM; @@ -4514,6 +4576,48 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i np->need_linktimer = 0; } + /* clear phy state and temporarily halt phy interrupts */ + writel(0, base + NvRegMIIMask); + phystate = readl(base + NvRegAdapterControl); + if (phystate & NVREG_ADAPTCTL_RUNNING) { + phystate_orig = 1; + phystate &= ~NVREG_ADAPTCTL_RUNNING; + writel(phystate, base + NvRegAdapterControl); + } + writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); + + if (id->driver_data & DEV_HAS_MGMT_UNIT) { + writel(0x1, base + 0x204); pci_push(base); + msleep(500); + /* management unit running on the mac? */ + np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST; + if (np->mac_in_use) { + u32 mgmt_sync; + /* management unit setup the phy already? */ + mgmt_sync = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK; + if (mgmt_sync == NVREG_XMITCTL_SYNC_NOT_READY) { + if (!nv_mgmt_acquire_sema(dev)) { + for (i = 0; i < 5000; i++) { + msleep(1); + mgmt_sync = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK; + if (mgmt_sync == NVREG_XMITCTL_SYNC_NOT_READY) + continue; + if (mgmt_sync == NVREG_XMITCTL_SYNC_PHY_INIT) + phyinitialized = 1; + break; + } + } else { + /* we need to init the phy */ + } + } else if (mgmt_sync == NVREG_XMITCTL_SYNC_PHY_INIT) { + /* phy is inited by SMU */ + phyinitialized = 1; + } else { + /* we need to init the phy */ + } + } + } + /* find a suitable phy */ for (i = 1; i <= 32; i++) { int id1, id2; @@ -4545,8 +4649,14 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i goto out_error; } - /* reset it */ - phy_init(dev); + if (!phyinitialized) { + /* reset it */ + phy_init(dev); + } + + if (id->driver_data & DEV_HAS_MGMT_UNIT) { + nv_mgmt_driver_loaded(dev, 1); + } /* set default link speed settings */ np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; @@ -4565,6 +4675,10 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i return 0; out_error: + if (phystate_orig) + writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); + if (np->mac_in_use) + nv_mgmt_driver_loaded(dev, 0); pci_set_drvdata(pci_dev, NULL); out_freering: free_rings(dev); @@ -4594,6 +4708,9 @@ static void __devexit nv_remove(struct pci_dev *pci_dev) writel(np->orig_mac[0], base + NvRegMacAddrA); writel(np->orig_mac[1], base + NvRegMacAddrB); + if (np->mac_in_use) + nv_mgmt_driver_loaded(dev, 0); + /* free all structures */ free_rings(dev); iounmap(get_hwbase(dev)); @@ -4702,43 +4819,43 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_17), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_18), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_19), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, {0,}, }; -- cgit v1.2.3 From c5cf9101fefae32df654da5f0e736ffbe28aefdc Mon Sep 17 00:00:00 2001 From: Ayaz Abdulla Date: Mon, 30 Oct 2006 17:32:01 -0500 Subject: [PATCH] forcedeth: add recoverable error support This patch adds support to recover from a previously fatal MAC error. In the past the MAC would be hung on an internal fatal error. On new chipsets, the MAC has the ability to enter a non-fatal state and allow the driver to re-init it. Signed-Off-By: Ayaz Abdulla Signed-off-by: Jeff Garzik --- drivers/net/forcedeth.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 74 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 5472d12122b..3b8087159b6 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -111,6 +111,7 @@ * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. * 0.58: 30 Oct 2006: Added support for sideband management unit. + * 0.59: 30 Oct 2006: Added support for recoverable error. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -127,7 +128,7 @@ #else #define DRIVERNAPI #endif -#define FORCEDETH_VERSION "0.58" +#define FORCEDETH_VERSION "0.59" #define DRV_NAME "forcedeth" #include @@ -180,7 +181,7 @@ enum { NvRegIrqStatus = 0x000, #define NVREG_IRQSTAT_MIIEVENT 0x040 -#define NVREG_IRQSTAT_MASK 0x1ff +#define NVREG_IRQSTAT_MASK 0x81ff NvRegIrqMask = 0x004, #define NVREG_IRQ_RX_ERROR 0x0001 #define NVREG_IRQ_RX 0x0002 @@ -191,15 +192,16 @@ enum { #define NVREG_IRQ_LINK 0x0040 #define NVREG_IRQ_RX_FORCED 0x0080 #define NVREG_IRQ_TX_FORCED 0x0100 +#define NVREG_IRQ_RECOVER_ERROR 0x8000 #define NVREG_IRQMASK_THROUGHPUT 0x00df #define NVREG_IRQMASK_CPU 0x0040 #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) -#define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK) +#define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RECOVER_ERROR) #define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \ NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \ - NVREG_IRQ_TX_FORCED)) + NVREG_IRQ_TX_FORCED|NVREG_IRQ_RECOVER_ERROR)) NvRegUnknownSetupReg6 = 0x008, #define NVREG_UNKSETUP6_VAL 3 @@ -718,6 +720,7 @@ struct fe_priv { unsigned int phy_model; u16 gigabit; int intr_test; + int recover_error; /* General data: RO fields */ dma_addr_t ring_addr; @@ -2455,6 +2458,23 @@ static irqreturn_t nv_nic_irq(int foo, void *data) printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", dev->name, events); } + if (unlikely(events & NVREG_IRQ_RECOVER_ERROR)) { + spin_lock(&np->lock); + /* disable interrupts on the nic */ + if (!(np->msi_flags & NV_MSI_X_ENABLED)) + writel(0, base + NvRegIrqMask); + else + writel(np->irqmask, base + NvRegIrqMask); + pci_push(base); + + if (!np->in_shutdown) { + np->nic_poll_irq = np->irqmask; + np->recover_error = 1; + mod_timer(&np->nic_poll, jiffies + POLL_WAIT); + } + spin_unlock(&np->lock); + break; + } #ifdef CONFIG_FORCEDETH_NAPI if (events & NVREG_IRQ_RX_ALL) { netif_rx_schedule(dev); @@ -2685,6 +2705,20 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data) spin_unlock_irqrestore(&np->lock, flags); np->link_timeout = jiffies + LINK_TIMEOUT; } + if (events & NVREG_IRQ_RECOVER_ERROR) { + spin_lock_irq(&np->lock); + /* disable interrupts on the nic */ + writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); + pci_push(base); + + if (!np->in_shutdown) { + np->nic_poll_irq |= NVREG_IRQ_OTHER; + np->recover_error = 1; + mod_timer(&np->nic_poll, jiffies + POLL_WAIT); + } + spin_unlock_irq(&np->lock); + break; + } if (events & (NVREG_IRQ_UNKNOWN)) { printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", dev->name, events); @@ -2914,6 +2948,42 @@ static void nv_do_nic_poll(unsigned long data) } np->nic_poll_irq = 0; + if (np->recover_error) { + np->recover_error = 0; + printk(KERN_INFO "forcedeth: MAC in recoverable error state\n"); + if (netif_running(dev)) { + netif_tx_lock_bh(dev); + spin_lock(&np->lock); + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + nv_txrx_reset(dev); + /* drain rx queue */ + nv_drain_rx(dev); + nv_drain_tx(dev); + /* reinit driver view of the rx queue */ + set_bufsize(dev); + if (nv_init_ring(dev)) { + if (!np->in_shutdown) + mod_timer(&np->oom_kick, jiffies + OOM_REFILL); + } + /* reinit nic view of the rx queue */ + writel(np->rx_buf_sz, base + NvRegOffloadConfig); + setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), + base + NvRegRingSizes); + pci_push(base); + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + pci_push(base); + + /* restart rx engine */ + nv_start_rx(dev); + nv_start_tx(dev); + spin_unlock(&np->lock); + netif_tx_unlock_bh(dev); + } + } + /* FIXME: Do we need synchronize_irq(dev->irq) here? */ writel(mask, base + NvRegIrqMask); -- cgit v1.2.3 From f4344848f8a7acbef2558dc5b89c62485f147033 Mon Sep 17 00:00:00 2001 From: Ayaz Abdulla Date: Mon, 6 Nov 2006 00:43:40 -0800 Subject: [PATCH] forcedeth: add support for new mcp67 device Add support for the new mcp67 device into forcedeth. Signed-off-by: Ayaz Abdulla Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/forcedeth.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers') diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 3b8087159b6..439f4133829 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -4927,6 +4927,22 @@ static struct pci_device_id pci_tbl[] = { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, + { /* MCP67 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_24), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + }, + { /* MCP67 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_25), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + }, + { /* MCP67 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_26), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + }, + { /* MCP67 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_27), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + }, {0,}, }; -- cgit v1.2.3 From ac7468e923278cdcb202f8aa992d8f2776f8344c Mon Sep 17 00:00:00 2001 From: Komuro Date: Sun, 15 Oct 2006 10:08:00 +0900 Subject: [PATCH] network: pcnet_cs: remove the code to change the E8390_CMD register from ei_watchdog() Remove the code to change the E8390_CMD register from ei_watchdog(). The 8390-page is always 0 outside the spin_lock. Signed-off-by: komurojun-mbn@nifty.com Signed-off-by: Jeff Garzik --- drivers/net/pcmcia/pcnet_cs.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 0c00d182e7f..c51cc5d8789 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1096,7 +1096,6 @@ static void ei_watchdog(u_long arg) /* Check for pending interrupt with expired latency timer: with this, we can limp along even if the interrupt is blocked */ - outb_p(E8390_NODMA+E8390_PAGE0, nic_base + E8390_CMD); if (info->stale++ && (inb_p(nic_base + EN0_ISR) & ENISR_ALL)) { if (!info->fast_poll) printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name); -- cgit v1.2.3 From e242040df1da94a9a3daa98ea5539e2b52502bb4 Mon Sep 17 00:00:00 2001 From: Jesse Huang Date: Fri, 20 Oct 2006 14:42:05 -0700 Subject: [PATCH] sundance: remove TxStartThresh and RxEarlyThresh For patent issue need to remove TxStartThresh and RxEarlyThresh. This patent is cut-through patent. If use this function, Tx will start to transmit after few data be move in to Tx FIFO. We are not allow to use those function in DFE530/DFE550/DFE580/DL10050/IP100/IP100A. It will decrease a little performance. Signed-off-by: Jesse Huang Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/sundance.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index 41c503d8bac..be1faa02039 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -264,8 +264,6 @@ enum alta_offsets { ASICCtrl = 0x30, EEData = 0x34, EECtrl = 0x36, - TxStartThresh = 0x3c, - RxEarlyThresh = 0x3e, FlashAddr = 0x40, FlashData = 0x44, TxStatus = 0x46, @@ -1111,6 +1109,7 @@ static irqreturn_t intr_handler(int irq, void *dev_instance) int tx_cnt; int tx_status; int handled = 0; + int i; do { @@ -1153,17 +1152,14 @@ static irqreturn_t intr_handler(int irq, void *dev_instance) np->stats.tx_fifo_errors++; if (tx_status & 0x02) np->stats.tx_window_errors++; + /* ** This reset has been verified on ** DFE-580TX boards ! phdm@macqel.be. */ if (tx_status & 0x10) { /* TxUnderrun */ - unsigned short txthreshold; - - txthreshold = ioread16 (ioaddr + TxStartThresh); /* Restart Tx FIFO and transmitter */ sundance_reset(dev, (NetworkReset|FIFOReset|TxReset) << 16); - iowrite16 (txthreshold, ioaddr + TxStartThresh); /* No need to reset the Tx pointer here */ } /* Restart the Tx. */ -- cgit v1.2.3 From 2109f89f3483ff5a05899385ee3fb04d779e9cce Mon Sep 17 00:00:00 2001 From: Jesse Huang Date: Fri, 20 Oct 2006 14:42:11 -0700 Subject: [PATCH] subdance: fix TX Pause bug (reset_tx, intr_handler) Fix TX Pause bug (reset_tx, intr_handler). When MaxCollisions occurred, need to re-enable Tx. But just after re-enable, MaxCollisions maybe occurred again and with TxStatusOverflow. This will cause driver can't check new MaxCollisions to re-enable Tx again, because TxStatusOverflow. For this reason, after re-enable Tx, we need to make sure Tx was actually enabled. Signed-off-by: Jesse Huang Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/sundance.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index be1faa02039..91cd2f52e62 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -1079,6 +1079,8 @@ reset_tx (struct net_device *dev) /* free all tx skbuff */ for (i = 0; i < TX_RING_SIZE; i++) { + np->tx_ring[i].next_desc = 0; + skb = np->tx_skbuff[i]; if (skb) { pci_unmap_single(np->pci_dev, @@ -1094,6 +1096,10 @@ reset_tx (struct net_device *dev) } np->cur_tx = np->dirty_tx = 0; np->cur_task = 0; + + np->last_tx = 0; + iowrite8(127, ioaddr + TxDMAPollPeriod); + iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1); return 0; } @@ -1162,8 +1168,14 @@ static irqreturn_t intr_handler(int irq, void *dev_instance) sundance_reset(dev, (NetworkReset|FIFOReset|TxReset) << 16); /* No need to reset the Tx pointer here */ } - /* Restart the Tx. */ - iowrite16 (TxEnable, ioaddr + MACCtrl1); + /* Restart the Tx. Need to make sure tx enabled */ + i = 10; + do { + iowrite16(ioread16(ioaddr + MACCtrl1) | TxEnable, ioaddr + MACCtrl1); + if (ioread16(ioaddr + MACCtrl1) & TxEnabled) + break; + mdelay(1); + } while (--i); } /* Yup, this is a documentation bug. It cost me *hours*. */ iowrite16 (0, ioaddr + TxStatus); -- cgit v1.2.3 From 6b655529c3d817ed1b69cf2dd29e2c3ce5148a2b Mon Sep 17 00:00:00 2001 From: Andy Fleming Date: Mon, 16 Oct 2006 16:19:17 -0500 Subject: [PATCH] Fixed a number of bugs in the PHY Layer * genphy_update_link is now exported * Added a fix from ncase@xes-inc.com which changes forcing so it only updates the link. Otherwise, it never tries the lower values, since it is always overwriting the speed/duplex values with the current ones, rather than the intended ones. * Fixed a bug where bringing up a PHY with no link caused it to timeout, and enter forcing mode. Once in forcing mode, plugging in the link didn't autonegotiate. Now the AN state detects the lack of link, and enters the NO_LINK state. AN only times out if the link is up and AN fails * Cleaned up the PHY_AN case, reducing one level of indentation for the timeout code. Signed-off-by: Jeff Garzik --- drivers/net/phy/phy.c | 81 +++++++++++++++++++++----------------------- drivers/net/phy/phy_device.c | 1 + 2 files changed, 40 insertions(+), 42 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 95f0419ba21..88237bdb525 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -713,60 +713,57 @@ static void phy_timer(unsigned long data) break; case PHY_AN: + err = phy_read_status(phydev); + + if (err < 0) + break; + + /* If the link is down, give up on + * negotiation for now */ + if (!phydev->link) { + phydev->state = PHY_NOLINK; + netif_carrier_off(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + break; + } + /* Check if negotiation is done. Break * if there's an error */ err = phy_aneg_done(phydev); if (err < 0) break; - /* If auto-negotiation is done, we change to - * either RUNNING, or NOLINK */ + /* If AN is done, we're running */ if (err > 0) { - err = phy_read_status(phydev); + phydev->state = PHY_RUNNING; + netif_carrier_on(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + + } else if (0 == phydev->link_timeout--) { + int idx; - if (err) + needs_aneg = 1; + /* If we have the magic_aneg bit, + * we try again */ + if (phydev->drv->flags & PHY_HAS_MAGICANEG) break; - if (phydev->link) { - phydev->state = PHY_RUNNING; - netif_carrier_on(phydev->attached_dev); - } else { - phydev->state = PHY_NOLINK; - netif_carrier_off(phydev->attached_dev); - } + /* The timer expired, and we still + * don't have a setting, so we try + * forcing it until we find one that + * works, starting from the fastest speed, + * and working our way down */ + idx = phy_find_valid(0, phydev->supported); - phydev->adjust_link(phydev->attached_dev); + phydev->speed = settings[idx].speed; + phydev->duplex = settings[idx].duplex; - } else if (0 == phydev->link_timeout--) { - /* The counter expired, so either we - * switch to forced mode, or the - * magic_aneg bit exists, and we try aneg - * again */ - if (!(phydev->drv->flags & PHY_HAS_MAGICANEG)) { - int idx; - - /* We'll start from the - * fastest speed, and work - * our way down */ - idx = phy_find_valid(0, - phydev->supported); - - phydev->speed = settings[idx].speed; - phydev->duplex = settings[idx].duplex; - - phydev->autoneg = AUTONEG_DISABLE; - phydev->state = PHY_FORCING; - phydev->link_timeout = - PHY_FORCE_TIMEOUT; - - pr_info("Trying %d/%s\n", - phydev->speed, - DUPLEX_FULL == - phydev->duplex ? - "FULL" : "HALF"); - } + phydev->autoneg = AUTONEG_DISABLE; - needs_aneg = 1; + pr_info("Trying %d/%s\n", phydev->speed, + DUPLEX_FULL == + phydev->duplex ? + "FULL" : "HALF"); } break; case PHY_NOLINK: @@ -782,7 +779,7 @@ static void phy_timer(unsigned long data) } break; case PHY_FORCING: - err = phy_read_status(phydev); + err = genphy_update_link(phydev); if (err) break; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 3bbd5e70c20..2a08b2b62c4 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -427,6 +427,7 @@ int genphy_update_link(struct phy_device *phydev) return 0; } +EXPORT_SYMBOL(genphy_update_link); /* genphy_read_status * -- cgit v1.2.3 From acd70c2bfddb52aee27a4864c160bea7f0d117e1 Mon Sep 17 00:00:00 2001 From: Jesse Huang Date: Fri, 20 Oct 2006 14:42:13 -0700 Subject: [PATCH] sundance: correct initial and close hardware step. Correct initial and close hardware step. In some embedded system down and up IP100A will cause DMA crash. We add some for safe down and up IP100A. Signed-off-by: Jesse Huang Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/sundance.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers') diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index 91cd2f52e62..fba64d39ba1 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -788,6 +788,7 @@ static int netdev_open(struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->base; + unsigned long flags; int i; /* Do we need to reset the chip??? */ @@ -832,6 +833,10 @@ static int netdev_open(struct net_device *dev) iowrite8(0x01, ioaddr + DebugCtrl1); netif_start_queue(dev); + spin_lock_irqsave(&np->lock, flags); + reset_tx(dev); + spin_unlock_irqrestore(&np->lock, flags); + iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1); if (netif_msg_ifup(np)) @@ -1651,6 +1656,9 @@ static int netdev_close(struct net_device *dev) /* Disable interrupts by clearing the interrupt mask. */ iowrite16(0x0000, ioaddr + IntrEnable); + /* Disable Rx and Tx DMA for safely release resource */ + iowrite32(0x500, ioaddr + DMACtrl); + /* Stop the chip's Tx and Rx processes. */ iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1); -- cgit v1.2.3 From 1494a81410d8c53fa6c800be1e22b6b6f64180e6 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Tue, 7 Nov 2006 05:12:16 -0500 Subject: [netdrvr] netxen: build fixes Most contributed and Signed-off-by: Andrew Morton with some from me as well. Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 1 - drivers/net/netxen/netxen_nic_hdr.h | 1 - drivers/net/netxen/netxen_nic_hw.c | 2 +- drivers/net/netxen/netxen_nic_main.c | 9 ++++++--- 4 files changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index c7d76c14f7b..0458db45e70 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -30,7 +30,6 @@ #ifndef _NETXEN_NIC_H_ #define _NETXEN_NIC_H_ -#include #include #include #include diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 965cf625ba4..83bf28b372a 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -32,7 +32,6 @@ #include #include -#include #include #include diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index c7d97054d05..9603c635b05 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -351,7 +351,7 @@ void netxen_tso_check(struct netxen_adapter *adapter, ((skb->nh.iph)->ihl * sizeof(u32)) + ((skb->h.th)->doff * sizeof(u32)); desc->opcode = TX_TCP_LSO; - } else if (skb->ip_summed == CHECKSUM_HW) { + } else if (skb->ip_summed == CHECKSUM_COMPLETE) { if (skb->nh.iph->protocol == IPPROTO_TCP) { desc->opcode = TX_TCP_PKT; } else if (skb->nh.iph->protocol == IPPROTO_UDP) { diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index b54ea164e0e..145bf47f0a8 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -38,6 +38,9 @@ #include "netxen_nic_phan_reg.h" #include "netxen_nic_ioctl.h" +#include +#include + MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); @@ -66,7 +69,7 @@ static int netxen_nic_poll(struct net_device *dev, int *budget); #ifdef CONFIG_NET_POLL_CONTROLLER static void netxen_nic_poll_controller(struct net_device *netdev); #endif -static irqreturn_t netxen_intr(int irq, void *data, struct pt_regs *regs); +static irqreturn_t netxen_intr(int irq, void *data); /* PCI Device ID Table */ static struct pci_device_id netxen_pci_tbl[] __devinitdata = { @@ -969,7 +972,7 @@ netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) * @irq: interrupt number * data points to adapter stucture (which may be handling more than 1 port */ -irqreturn_t netxen_intr(int irq, void *data, struct pt_regs * regs) +irqreturn_t netxen_intr(int irq, void *data) { struct netxen_adapter *adapter; struct netxen_port *port; @@ -1049,7 +1052,7 @@ static void netxen_nic_poll_controller(struct net_device *netdev) struct netxen_port *port = netdev_priv(netdev); struct netxen_adapter *adapter = port->adapter; disable_irq(adapter->irq); - netxen_intr(adapter->irq, adapter, NULL); + netxen_intr(adapter->irq, adapter); enable_irq(adapter->irq); } #endif -- cgit v1.2.3 From 08c3103a562ed83c4f9ac8fad6f5cb1ebb1f29a0 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Wed, 1 Nov 2006 18:11:18 -0600 Subject: [PATCH] bcm43xx: remove badness variable and related routine When the periodic work function in bcm43xx was converted for voluntary preemption to reduce latency, a new function was created to estimate the "badness" of each step, and this quantity was used to determine if preemption should be enabled when periodic work was undertaken. This concept was quite useful while debugging of periodic work was in progress. Now that this routine seems to be working correctly, it is time to simplify the code. This patch keeps the functionality intact, but simplifies the code. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx_main.c | 41 +++++------------------------ 1 file changed, 7 insertions(+), 34 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index c6bd86889f1..b199d32c37e 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -3209,55 +3209,27 @@ static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm) static void do_periodic_work(struct bcm43xx_private *bcm) { - unsigned int state; - - state = bcm->periodic_state; - if (state % 8 == 0) + if (bcm->periodic_state % 8 == 0) bcm43xx_periodic_every120sec(bcm); - if (state % 4 == 0) + if (bcm->periodic_state % 4 == 0) bcm43xx_periodic_every60sec(bcm); - if (state % 2 == 0) + if (bcm->periodic_state % 2 == 0) bcm43xx_periodic_every30sec(bcm); - if (state % 1 == 0) - bcm43xx_periodic_every15sec(bcm); - bcm->periodic_state = state + 1; + bcm43xx_periodic_every15sec(bcm); schedule_delayed_work(&bcm->periodic_work, HZ * 15); } -/* Estimate a "Badness" value based on the periodic work - * state-machine state. "Badness" is worse (bigger), if the - * periodic work will take longer. - */ -static int estimate_periodic_work_badness(unsigned int state) -{ - int badness = 0; - - if (state % 8 == 0) /* every 120 sec */ - badness += 10; - if (state % 4 == 0) /* every 60 sec */ - badness += 5; - if (state % 2 == 0) /* every 30 sec */ - badness += 1; - if (state % 1 == 0) /* every 15 sec */ - badness += 1; - -#define BADNESS_LIMIT 4 - return badness; -} - static void bcm43xx_periodic_work_handler(void *d) { struct bcm43xx_private *bcm = d; struct net_device *net_dev = bcm->net_dev; unsigned long flags; u32 savedirqs = 0; - int badness; unsigned long orig_trans_start = 0; mutex_lock(&bcm->mutex); - badness = estimate_periodic_work_badness(bcm->periodic_state); - if (badness > BADNESS_LIMIT) { + if (unlikely(bcm->periodic_state % 4 == 0)) { /* Periodic work will take a long time, so we want it to * be preemtible. */ @@ -3289,7 +3261,7 @@ static void bcm43xx_periodic_work_handler(void *d) do_periodic_work(bcm); - if (badness > BADNESS_LIMIT) { + if (unlikely(bcm->periodic_state % 4 == 0)) { spin_lock_irqsave(&bcm->irq_lock, flags); tasklet_enable(&bcm->isr_tasklet); bcm43xx_interrupt_enable(bcm, savedirqs); @@ -3300,6 +3272,7 @@ static void bcm43xx_periodic_work_handler(void *d) net_dev->trans_start = orig_trans_start; } mmiowb(); + bcm->periodic_state++; spin_unlock_irqrestore(&bcm->irq_lock, flags); mutex_unlock(&bcm->mutex); } -- cgit v1.2.3 From 7f424ff4825adeae8d236fb3eafd699e6b2665e1 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Thu, 2 Nov 2006 21:56:52 -0600 Subject: [PATCH] bcm43xx: Remove useless core enable/disable messages In the softmac version of bcm43xx, the core scan logs whether each core is enabled or disabled. This information is useless as one of the next steps is to enable all cores. This patch removes this output from the log. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx_main.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index b199d32c37e..60a97450a6e 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -2684,14 +2684,10 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) bcm->chip_id, bcm->chip_rev); dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count); if (bcm->core_chipcommon.available) { - dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", - core_id, core_rev, core_vendor, - bcm43xx_core_enabled(bcm) ? "enabled" : "disabled"); - } - - if (bcm->core_chipcommon.available) + dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x\n", + core_id, core_rev, core_vendor); current_core = 1; - else + } else current_core = 0; for ( ; current_core < core_count; current_core++) { struct bcm43xx_coreinfo *core; @@ -2709,9 +2705,8 @@ static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) core_rev = (sb_id_hi & 0xF); core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; - dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", - current_core, core_id, core_rev, core_vendor, - bcm43xx_core_enabled(bcm) ? "enabled" : "disabled" ); + dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n", + current_core, core_id, core_rev, core_vendor); core = NULL; switch (core_id) { -- cgit v1.2.3 From 02e0e5e935cad59a2d30a004df9065e8697543e3 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Tue, 7 Nov 2006 20:53:48 -0500 Subject: [PATCH] wireless: clean-up some "check return code" warnings Clean-up some warnings from missing return code checks, mostly from calling pci_enable_device during a PCI resume. Signed-off-by: John W. Linville --- drivers/net/wireless/hostap/hostap_pci.c | 8 +++++++- drivers/net/wireless/ipw2100.c | 8 +++++++- drivers/net/wireless/ipw2200.c | 8 +++++++- drivers/net/wireless/orinoco_pci.h | 7 ++++++- drivers/net/wireless/prism54/islpci_hotplug.c | 20 ++++++++++++++++---- 5 files changed, 43 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index c2fa011be29..d1de9766c83 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -425,8 +425,14 @@ static int prism2_pci_suspend(struct pci_dev *pdev, pm_message_t state) static int prism2_pci_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); + int err; - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); prism2_hw_config(dev, 0); if (netif_running(dev)) { diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 5bf4d4119c3..3bc6be9d20f 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -6423,6 +6423,7 @@ static int ipw2100_resume(struct pci_dev *pci_dev) { struct ipw2100_priv *priv = pci_get_drvdata(pci_dev); struct net_device *dev = priv->net_dev; + int err; u32 val; if (IPW2100_PM_DISABLED) @@ -6433,7 +6434,12 @@ static int ipw2100_resume(struct pci_dev *pci_dev) IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name); pci_set_power_state(pci_dev, PCI_D0); - pci_enable_device(pci_dev); + err = pci_enable_device(pci_dev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pci_dev); /* diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 72120d5c2f7..c692d01a76c 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -11727,12 +11727,18 @@ static int ipw_pci_resume(struct pci_dev *pdev) { struct ipw_priv *priv = pci_get_drvdata(pdev); struct net_device *dev = priv->net_dev; + int err; u32 val; printk(KERN_INFO "%s: Coming out of suspend...\n", dev->name); pci_set_power_state(pdev, PCI_D0); - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); /* diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h index be1abea4b64..f4e5e06760c 100644 --- a/drivers/net/wireless/orinoco_pci.h +++ b/drivers/net/wireless/orinoco_pci.h @@ -60,7 +60,12 @@ static int orinoco_pci_resume(struct pci_dev *pdev) int err; pci_set_power_state(pdev, 0); - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED, diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c index f6354b1cbc2..e0bca3abdf6 100644 --- a/drivers/net/wireless/prism54/islpci_hotplug.c +++ b/drivers/net/wireless/prism54/islpci_hotplug.c @@ -170,14 +170,15 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); /* enable MWI */ - pci_set_mwi(pdev); + if (pci_set_mwi(pdev)) + goto do_pci_release_regions; /* setup the network device interface and its structure */ if (!(ndev = islpci_setup(pdev))) { /* error configuring the driver as a network device */ printk(KERN_ERR "%s: could not configure network device\n", DRV_NAME); - goto do_pci_release_regions; + goto do_pci_clear_mwi; } priv = netdev_priv(ndev); @@ -207,6 +208,8 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, NULL); free_netdev(ndev); priv = NULL; + do_pci_clear_mwi: + pci_clear_mwi(pdev); do_pci_release_regions: pci_release_regions(pdev); do_pci_disable_device: @@ -254,6 +257,8 @@ prism54_remove(struct pci_dev *pdev) free_netdev(ndev); priv = NULL; + pci_clear_mwi(pdev); + pci_release_regions(pdev); pci_disable_device(pdev); @@ -287,12 +292,19 @@ prism54_resume(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); islpci_private *priv = ndev ? netdev_priv(ndev) : NULL; - BUG_ON(!priv); + int err; - pci_enable_device(pdev); + BUG_ON(!priv); printk(KERN_NOTICE "%s: got resume request\n", ndev->name); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + ndev->name); + return err; + } + pci_restore_state(pdev); /* alright let's go into the PREBOOT state */ -- cgit v1.2.3 From f2d71c2d800e68f158a5949e38b23f5140948548 Mon Sep 17 00:00:00 2001 From: Vitaly Wool Date: Tue, 7 Nov 2006 13:27:02 +0300 Subject: [PATCH] add netpoll support for gianfar: respin The patch inlined below adds NET_POLL_CONTROLLER support for gianfar network driver, slightly modified wrt the comments from Andy Fleming. drivers/net/gianfar.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) Signed-off-by: Vitaly Wool Signed-off-by: Jeff Garzik --- drivers/net/gianfar.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers') diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index a06d8d1aace..6bf18c82083 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -133,6 +133,9 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); #ifdef CONFIG_GFAR_NAPI static int gfar_poll(struct net_device *dev, int *budget); #endif +#ifdef CONFIG_NET_POLL_CONTROLLER +static void gfar_netpoll(struct net_device *dev); +#endif int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int length); static void gfar_vlan_rx_register(struct net_device *netdev, @@ -259,6 +262,9 @@ static int gfar_probe(struct platform_device *pdev) #ifdef CONFIG_GFAR_NAPI dev->poll = gfar_poll; dev->weight = GFAR_DEV_WEIGHT; +#endif +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = gfar_netpoll; #endif dev->stop = gfar_close; dev->get_stats = gfar_get_stats; @@ -1536,6 +1542,33 @@ static int gfar_poll(struct net_device *dev, int *budget) } #endif +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void gfar_netpoll(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + + /* If the device has multiple interrupts, run tx/rx */ + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) { + disable_irq(priv->interruptTransmit); + disable_irq(priv->interruptReceive); + disable_irq(priv->interruptError); + gfar_interrupt(priv->interruptTransmit, dev); + enable_irq(priv->interruptError); + enable_irq(priv->interruptReceive); + enable_irq(priv->interruptTransmit); + } else { + disable_irq(priv->interruptTransmit); + gfar_interrupt(priv->interruptTransmit, dev); + enable_irq(priv->interruptTransmit); + } +} +#endif + /* The interrupt handler for devices with one interrupt */ static irqreturn_t gfar_interrupt(int irq, void *dev_id) { -- cgit v1.2.3 From 95d21ff4c64592bdee7f1af2925145bed849c994 Mon Sep 17 00:00:00 2001 From: Andy Fleming Date: Wed, 8 Nov 2006 00:11:29 -0600 Subject: [PATCH] Add support for Marvell 88e1111S and 88e1145 This patch requires the new support for configurable PHY interfaces. Changes include: * New support for 88e1145 * New support for 88e111s * Fixing 88e1101 driver to not match non-88e1101 PHYs * Increases in feature support across Marvell PHY product line * Fixes a bunch of whitespace issues found by Lindent Signed-off-by: Andrew Fleming Signed-off-by: Jeff Garzik --- drivers/net/phy/marvell.c | 156 ++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 144 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 0ad253282d0..5320ab9fe01 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -43,6 +43,19 @@ #define MII_M1011_IMASK_INIT 0x6400 #define MII_M1011_IMASK_CLEAR 0x0000 +#define MII_M1011_PHY_SCR 0x10 +#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 + +#define MII_M1145_PHY_EXT_CR 0x14 +#define MII_M1145_RGMII_RX_DELAY 0x0080 +#define MII_M1145_RGMII_TX_DELAY 0x0002 + +#define M1145_DEV_FLAGS_RESISTANCE 0x00000001 + +#define MII_M1111_PHY_LED_CONTROL 0x18 +#define MII_M1111_PHY_LED_DIRECT 0x4100 +#define MII_M1111_PHY_LED_COMBINE 0x411c + MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); MODULE_LICENSE("GPL"); @@ -64,7 +77,7 @@ static int marvell_config_intr(struct phy_device *phydev) { int err; - if(phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT); else err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); @@ -104,34 +117,153 @@ static int marvell_config_aneg(struct phy_device *phydev) if (err < 0) return err; + err = phy_write(phydev, MII_M1011_PHY_SCR, + MII_M1011_PHY_SCR_AUTO_CROSS); + if (err < 0) + return err; + + err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL, + MII_M1111_PHY_LED_DIRECT); + if (err < 0) + return err; err = genphy_config_aneg(phydev); return err; } +static int m88e1145_config_init(struct phy_device *phydev) +{ + int err; + + /* Take care of errata E0 & E1 */ + err = phy_write(phydev, 0x1d, 0x001b); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0x418f); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1d, 0x0016); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0xa2da); + if (err < 0) + return err; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR); + if (temp < 0) + return temp; + + temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY); + + err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp); + if (err < 0) + return err; + + if (phydev->dev_flags & M1145_DEV_FLAGS_RESISTANCE) { + err = phy_write(phydev, 0x1d, 0x0012); + if (err < 0) + return err; + + temp = phy_read(phydev, 0x1e); + if (temp < 0) + return temp; + + temp &= 0xf03f; + temp |= 2 << 9; /* 36 ohm */ + temp |= 2 << 6; /* 39 ohm */ + + err = phy_write(phydev, 0x1e, temp); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1d, 0x3); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0x8000); + if (err < 0) + return err; + } + } + + return 0; +} static struct phy_driver m88e1101_driver = { - .phy_id = 0x01410c00, - .phy_id_mask = 0xffffff00, - .name = "Marvell 88E1101", - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = &marvell_config_aneg, - .read_status = &genphy_read_status, - .ack_interrupt = &marvell_ack_interrupt, - .config_intr = &marvell_config_intr, - .driver = { .owner = THIS_MODULE,}, + .phy_id = 0x01410c60, + .phy_id_mask = 0xfffffff0, + .name = "Marvell 88E1101", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &marvell_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &marvell_ack_interrupt, + .config_intr = &marvell_config_intr, + .driver = {.owner = THIS_MODULE,}, +}; + +static struct phy_driver m88e1111s_driver = { + .phy_id = 0x01410cc0, + .phy_id_mask = 0xfffffff0, + .name = "Marvell 88E1111", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &marvell_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &marvell_ack_interrupt, + .config_intr = &marvell_config_intr, + .driver = {.owner = THIS_MODULE,}, +}; + +static struct phy_driver m88e1145_driver = { + .phy_id = 0x01410cd0, + .phy_id_mask = 0xfffffff0, + .name = "Marvell 88E1145", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_init = &m88e1145_config_init, + .config_aneg = &marvell_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &marvell_ack_interrupt, + .config_intr = &marvell_config_intr, + .driver = {.owner = THIS_MODULE,}, }; static int __init marvell_init(void) { - return phy_driver_register(&m88e1101_driver); + int ret; + + ret = phy_driver_register(&m88e1101_driver); + if (ret) + return ret; + + ret = phy_driver_register(&m88e1111s_driver); + if (ret) + goto err1111s; + + ret = phy_driver_register(&m88e1145_driver); + if (ret) + goto err1145; + + return 0; + + err1145: + phy_driver_unregister(&m88e1111s_driver); + err1111s: + phy_driver_unregister(&m88e1101_driver); + return ret; } static void __exit marvell_exit(void) { phy_driver_unregister(&m88e1101_driver); + phy_driver_unregister(&m88e1111s_driver); + phy_driver_unregister(&m88e1145_driver); } module_init(marvell_init); -- cgit v1.2.3 From d0bb53e102e10cc90de50953531a163d95da1e07 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 14 Nov 2006 10:35:03 -0500 Subject: e1000 linkage fix ia64: drivers/built-in.o(.text+0xd9a72): In function `e1000_xmit_frame': : undefined reference to `csum_ipv6_magic' Cc: Auke Kok Cc: "David S. Miller" Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/e1000/e1000_main.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index a2f1464ba49..7a0828869ec 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -27,6 +27,7 @@ *******************************************************************************/ #include "e1000.h" +#include char e1000_driver_name[] = "e1000"; static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; -- cgit v1.2.3 From 31f817e9d6f325b10a316bb84237cae3739487ed Mon Sep 17 00:00:00 2001 From: Jesse Huang Date: Wed, 8 Nov 2006 19:49:12 -0800 Subject: [PATCH] sundance: solve host error problem in low performance embedded system when continune down and up Solve host error problem in low performance embedded system when continune down and up. It will cause IP100A DMA TargetAbort. So we need more safe process to up and down IP100A with wait hardware completely stop and software cur_tx/ dirty_tx/cur_task/last_tx be clear. Signed-off-by: Jesse Huang Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/sundance.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index fba64d39ba1..02679e688c4 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -1642,6 +1642,14 @@ static int netdev_close(struct net_device *dev) struct sk_buff *skb; int i; + /* Wait and kill tasklet */ + tasklet_kill(&np->rx_tasklet); + tasklet_kill(&np->tx_tasklet); + np->cur_tx = 0; + np->dirty_tx = 0; + np->cur_task = 0; + np->last_tx = 0; + netif_stop_queue(dev); if (netif_msg_ifdown(np)) { @@ -1662,9 +1670,20 @@ static int netdev_close(struct net_device *dev) /* Stop the chip's Tx and Rx processes. */ iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1); - /* Wait and kill tasklet */ - tasklet_kill(&np->rx_tasklet); - tasklet_kill(&np->tx_tasklet); + for (i = 2000; i > 0; i--) { + if ((ioread32(ioaddr + DMACtrl) & 0xc000) == 0) + break; + mdelay(1); + } + + iowrite16(GlobalReset | DMAReset | FIFOReset | NetworkReset, + ioaddr +ASICCtrl + 2); + + for (i = 2000; i > 0; i--) { + if ((ioread16(ioaddr + ASICCtrl +2) & ResetBusy) == 0) + break; + mdelay(1); + } #ifdef __i386__ if (netif_msg_hw(np)) { @@ -1702,6 +1721,7 @@ static int netdev_close(struct net_device *dev) } } for (i = 0; i < TX_RING_SIZE; i++) { + np->tx_ring[i].next_desc = 0; skb = np->tx_skbuff[i]; if (skb) { pci_unmap_single(np->pci_dev, -- cgit v1.2.3 From 5e123b844a1cbd4ec258cd37847ce4d57fa308c1 Mon Sep 17 00:00:00 2001 From: Zang Roy-r61911 Date: Wed, 8 Nov 2006 19:49:13 -0800 Subject: [PATCH] Add tsi108/9 On Chip Ethernet device driver support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add tsi108/9 on chip Ethernet controller driver support. The driver code collects the feedback of previous posting form the mailing list and gives the update. MPC7448HPC2 platform in arch/powerpc uses tsi108 bridge. The following is a brief description of the Ethernet controller: The Tsi108/9 Ethernet Controller connects Switch Fabric to two independent Gigabit Ethernet ports,E0 and E1. It uses a single Management interface to manage the two physical connection devices (PHYs). Each Ethernet port has its own statistics monitor that tracks and reports key interface statistics. Each port supports a 256-entry hash table for address filtering. In addition, each port is bridged to the Switch Fabric through a 2-Kbyte transmit FIFO and a 4-Kbyte Receive FIFO. Each Ethernet port also has a pair of internal Ethernet DMA channels to support the transmit and receive data flows. The Ethernet DMA channels use descriptors set up in memory, the memory map of the device, and access via the Switch Fabric. The Ethernet Controller’s DMA arbiter handles arbitration for the Switch Fabric. The Controller also has a register bus interface for register accesses and status monitor control. The PMD (Physical Media Device) interface operates in MII, GMII, or TBI modes. The MII mode is used for connecting with 10 or 100 Mbit/s PMDs. The GMII and TBI modes are used to connect with Gigabit PMDs. Internal data flows to and from the Ethernet Controller through the Switch Fabric. Each Ethernet port uses its transmit and receive DMA channels to manage data flows through buffer descriptors that are predefined by the system (the descriptors can exist anywhere in the system memory map). These descriptors are data structures that point to buffers filled with data ready to transmit over Ethernet, or they point to empty buffers ready to receive data from Ethernet. Signed-off-by: Alexandre Bounine Signed-off-by: Roy Zang Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 8 + drivers/net/Makefile | 1 + drivers/net/tsi108_eth.c | 1708 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/net/tsi108_eth.h | 365 ++++++++++ 4 files changed, 2082 insertions(+) create mode 100644 drivers/net/tsi108_eth.c create mode 100644 drivers/net/tsi108_eth.h (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 112d4cd5c66..05167253b25 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2251,6 +2251,14 @@ config SPIDER_NET This driver supports the Gigabit Ethernet chips present on the Cell Processor-Based Blades from IBM. +config TSI108_ETH + tristate "Tundra TSI108 gigabit Ethernet support" + depends on TSI108_BRIDGE + help + This driver supports Tundra TSI108 gigabit Ethernet ports. + To compile this driver as a module, choose M here: the module + will be called tsi108_eth. + config GIANFAR tristate "Gianfar Ethernet" depends on 85xx || 83xx || PPC_86xx diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 7889e4ca184..789306ca793 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -108,6 +108,7 @@ obj-$(CONFIG_B44) += b44.o obj-$(CONFIG_FORCEDETH) += forcedeth.o obj-$(CONFIG_NE_H8300) += ne-h8300.o +obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o obj-$(CONFIG_QLA3XXX) += qla3xxx.o diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c new file mode 100644 index 00000000000..893808ab374 --- /dev/null +++ b/drivers/net/tsi108_eth.c @@ -0,0 +1,1708 @@ +/******************************************************************************* + + Copyright(c) 2006 Tundra Semiconductor Corporation. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*******************************************************************************/ + +/* This driver is based on the driver code originally developed + * for the Intel IOC80314 (ForestLake) Gigabit Ethernet by + * scott.wood@timesys.com * Copyright (C) 2003 TimeSys Corporation + * + * Currently changes from original version are: + * - porting to Tsi108-based platform and kernel 2.6 (kong.lai@tundra.com) + * - modifications to handle two ports independently and support for + * additional PHY devices (alexandre.bounine@tundra.com) + * - Get hardware information from platform device. (tie-fei.zang@freescale.com) + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "tsi108_eth.h" + +#define MII_READ_DELAY 10000 /* max link wait time in msec */ + +#define TSI108_RXRING_LEN 256 + +/* NOTE: The driver currently does not support receiving packets + * larger than the buffer size, so don't decrease this (unless you + * want to add such support). + */ +#define TSI108_RXBUF_SIZE 1536 + +#define TSI108_TXRING_LEN 256 + +#define TSI108_TX_INT_FREQ 64 + +/* Check the phy status every half a second. */ +#define CHECK_PHY_INTERVAL (HZ/2) + +static int tsi108_init_one(struct platform_device *pdev); +static int tsi108_ether_remove(struct platform_device *pdev); + +struct tsi108_prv_data { + void __iomem *regs; /* Base of normal regs */ + void __iomem *phyregs; /* Base of register bank used for PHY access */ + + unsigned int phy; /* Index of PHY for this interface */ + unsigned int irq_num; + unsigned int id; + + struct timer_list timer;/* Timer that triggers the check phy function */ + unsigned int rxtail; /* Next entry in rxring to read */ + unsigned int rxhead; /* Next entry in rxring to give a new buffer */ + unsigned int rxfree; /* Number of free, allocated RX buffers */ + + unsigned int rxpending; /* Non-zero if there are still descriptors + * to be processed from a previous descriptor + * interrupt condition that has been cleared */ + + unsigned int txtail; /* Next TX descriptor to check status on */ + unsigned int txhead; /* Next TX descriptor to use */ + + /* Number of free TX descriptors. This could be calculated from + * rxhead and rxtail if one descriptor were left unused to disambiguate + * full and empty conditions, but it's simpler to just keep track + * explicitly. */ + + unsigned int txfree; + + unsigned int phy_ok; /* The PHY is currently powered on. */ + + /* PHY status (duplex is 1 for half, 2 for full, + * so that the default 0 indicates that neither has + * yet been configured). */ + + unsigned int link_up; + unsigned int speed; + unsigned int duplex; + + tx_desc *txring; + rx_desc *rxring; + struct sk_buff *txskbs[TSI108_TXRING_LEN]; + struct sk_buff *rxskbs[TSI108_RXRING_LEN]; + + dma_addr_t txdma, rxdma; + + /* txlock nests in misclock and phy_lock */ + + spinlock_t txlock, misclock; + + /* stats is used to hold the upper bits of each hardware counter, + * and tmpstats is used to hold the full values for returning + * to the caller of get_stats(). They must be separate in case + * an overflow interrupt occurs before the stats are consumed. + */ + + struct net_device_stats stats; + struct net_device_stats tmpstats; + + /* These stats are kept separate in hardware, thus require individual + * fields for handling carry. They are combined in get_stats. + */ + + unsigned long rx_fcs; /* Add to rx_frame_errors */ + unsigned long rx_short_fcs; /* Add to rx_frame_errors */ + unsigned long rx_long_fcs; /* Add to rx_frame_errors */ + unsigned long rx_underruns; /* Add to rx_length_errors */ + unsigned long rx_overruns; /* Add to rx_length_errors */ + + unsigned long tx_coll_abort; /* Add to tx_aborted_errors/collisions */ + unsigned long tx_pause_drop; /* Add to tx_aborted_errors */ + + unsigned long mc_hash[16]; + u32 msg_enable; /* debug message level */ + struct mii_if_info mii_if; + unsigned int init_media; +}; + +/* Structure for a device driver */ + +static struct platform_driver tsi_eth_driver = { + .probe = tsi108_init_one, + .remove = tsi108_ether_remove, + .driver = { + .name = "tsi-ethernet", + }, +}; + +static void tsi108_timed_checker(unsigned long dev_ptr); + +static void dump_eth_one(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + + printk("Dumping %s...\n", dev->name); + printk("intstat %x intmask %x phy_ok %d" + " link %d speed %d duplex %d\n", + TSI_READ(TSI108_EC_INTSTAT), + TSI_READ(TSI108_EC_INTMASK), data->phy_ok, + data->link_up, data->speed, data->duplex); + + printk("TX: head %d, tail %d, free %d, stat %x, estat %x, err %x\n", + data->txhead, data->txtail, data->txfree, + TSI_READ(TSI108_EC_TXSTAT), + TSI_READ(TSI108_EC_TXESTAT), + TSI_READ(TSI108_EC_TXERR)); + + printk("RX: head %d, tail %d, free %d, stat %x," + " estat %x, err %x, pending %d\n\n", + data->rxhead, data->rxtail, data->rxfree, + TSI_READ(TSI108_EC_RXSTAT), + TSI_READ(TSI108_EC_RXESTAT), + TSI_READ(TSI108_EC_RXERR), data->rxpending); +} + +/* Synchronization is needed between the thread and up/down events. + * Note that the PHY is accessed through the same registers for both + * interfaces, so this can't be made interface-specific. + */ + +static DEFINE_SPINLOCK(phy_lock); + +static int tsi108_read_mii(struct tsi108_prv_data *data, int reg) +{ + unsigned i; + + TSI_WRITE_PHY(TSI108_MAC_MII_ADDR, + (data->phy << TSI108_MAC_MII_ADDR_PHY) | + (reg << TSI108_MAC_MII_ADDR_REG)); + TSI_WRITE_PHY(TSI108_MAC_MII_CMD, 0); + TSI_WRITE_PHY(TSI108_MAC_MII_CMD, TSI108_MAC_MII_CMD_READ); + for (i = 0; i < 100; i++) { + if (!(TSI_READ_PHY(TSI108_MAC_MII_IND) & + (TSI108_MAC_MII_IND_NOTVALID | TSI108_MAC_MII_IND_BUSY))) + break; + udelay(10); + } + + if (i == 100) + return 0xffff; + else + return (TSI_READ_PHY(TSI108_MAC_MII_DATAIN)); +} + +static void tsi108_write_mii(struct tsi108_prv_data *data, + int reg, u16 val) +{ + unsigned i = 100; + TSI_WRITE_PHY(TSI108_MAC_MII_ADDR, + (data->phy << TSI108_MAC_MII_ADDR_PHY) | + (reg << TSI108_MAC_MII_ADDR_REG)); + TSI_WRITE_PHY(TSI108_MAC_MII_DATAOUT, val); + while (i--) { + if(!(TSI_READ_PHY(TSI108_MAC_MII_IND) & + TSI108_MAC_MII_IND_BUSY)) + break; + udelay(10); + } +} + +static int tsi108_mdio_read(struct net_device *dev, int addr, int reg) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + return tsi108_read_mii(data, reg); +} + +static void tsi108_mdio_write(struct net_device *dev, int addr, int reg, int val) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + tsi108_write_mii(data, reg, val); +} + +static inline void tsi108_write_tbi(struct tsi108_prv_data *data, + int reg, u16 val) +{ + unsigned i = 1000; + TSI_WRITE(TSI108_MAC_MII_ADDR, + (0x1e << TSI108_MAC_MII_ADDR_PHY) + | (reg << TSI108_MAC_MII_ADDR_REG)); + TSI_WRITE(TSI108_MAC_MII_DATAOUT, val); + while(i--) { + if(!(TSI_READ(TSI108_MAC_MII_IND) & TSI108_MAC_MII_IND_BUSY)) + return; + udelay(10); + } + printk(KERN_ERR "%s function time out \n", __FUNCTION__); +} + +static int mii_speed(struct mii_if_info *mii) +{ + int advert, lpa, val, media; + int lpa2 = 0; + int speed; + + if (!mii_link_ok(mii)) + return 0; + + val = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_BMSR); + if ((val & BMSR_ANEGCOMPLETE) == 0) + return 0; + + advert = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_ADVERTISE); + lpa = (*mii->mdio_read) (mii->dev, mii->phy_id, MII_LPA); + media = mii_nway_result(advert & lpa); + + if (mii->supports_gmii) + lpa2 = mii->mdio_read(mii->dev, mii->phy_id, MII_STAT1000); + + speed = lpa2 & (LPA_1000FULL | LPA_1000HALF) ? 1000 : + (media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? 100 : 10); + return speed; +} + +static void tsi108_check_phy(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 mac_cfg2_reg, portctrl_reg; + u32 duplex; + u32 speed; + unsigned long flags; + + /* Do a dummy read, as for some reason the first read + * after a link becomes up returns link down, even if + * it's been a while since the link came up. + */ + + spin_lock_irqsave(&phy_lock, flags); + + if (!data->phy_ok) + goto out; + + tsi108_read_mii(data, MII_BMSR); + + duplex = mii_check_media(&data->mii_if, netif_msg_link(data), data->init_media); + data->init_media = 0; + + if (netif_carrier_ok(dev)) { + + speed = mii_speed(&data->mii_if); + + if ((speed != data->speed) || duplex) { + + mac_cfg2_reg = TSI_READ(TSI108_MAC_CFG2); + portctrl_reg = TSI_READ(TSI108_EC_PORTCTRL); + + mac_cfg2_reg &= ~TSI108_MAC_CFG2_IFACE_MASK; + + if (speed == 1000) { + mac_cfg2_reg |= TSI108_MAC_CFG2_GIG; + portctrl_reg &= ~TSI108_EC_PORTCTRL_NOGIG; + } else { + mac_cfg2_reg |= TSI108_MAC_CFG2_NOGIG; + portctrl_reg |= TSI108_EC_PORTCTRL_NOGIG; + } + + data->speed = speed; + + if (data->mii_if.full_duplex) { + mac_cfg2_reg |= TSI108_MAC_CFG2_FULLDUPLEX; + portctrl_reg &= ~TSI108_EC_PORTCTRL_HALFDUPLEX; + data->duplex = 2; + } else { + mac_cfg2_reg &= ~TSI108_MAC_CFG2_FULLDUPLEX; + portctrl_reg |= TSI108_EC_PORTCTRL_HALFDUPLEX; + data->duplex = 1; + } + + TSI_WRITE(TSI108_MAC_CFG2, mac_cfg2_reg); + TSI_WRITE(TSI108_EC_PORTCTRL, portctrl_reg); + + if (data->link_up == 0) { + /* The manual says it can take 3-4 usecs for the speed change + * to take effect. + */ + udelay(5); + + spin_lock(&data->txlock); + if (is_valid_ether_addr(dev->dev_addr) && data->txfree) + netif_wake_queue(dev); + + data->link_up = 1; + spin_unlock(&data->txlock); + } + } + + } else { + if (data->link_up == 1) { + netif_stop_queue(dev); + data->link_up = 0; + printk(KERN_NOTICE "%s : link is down\n", dev->name); + } + + goto out; + } + + +out: + spin_unlock_irqrestore(&phy_lock, flags); +} + +static inline void +tsi108_stat_carry_one(int carry, int carry_bit, int carry_shift, + unsigned long *upper) +{ + if (carry & carry_bit) + *upper += carry_shift; +} + +static void tsi108_stat_carry(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 carry1, carry2; + + spin_lock_irq(&data->misclock); + + carry1 = TSI_READ(TSI108_STAT_CARRY1); + carry2 = TSI_READ(TSI108_STAT_CARRY2); + + TSI_WRITE(TSI108_STAT_CARRY1, carry1); + TSI_WRITE(TSI108_STAT_CARRY2, carry2); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXBYTES, + TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXPKTS, + TSI108_STAT_RXPKTS_CARRY, + &data->stats.rx_packets); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFCS, + TSI108_STAT_RXFCS_CARRY, &data->rx_fcs); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXMCAST, + TSI108_STAT_RXMCAST_CARRY, + &data->stats.multicast); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXALIGN, + TSI108_STAT_RXALIGN_CARRY, + &data->stats.rx_frame_errors); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXLENGTH, + TSI108_STAT_RXLENGTH_CARRY, + &data->stats.rx_length_errors); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXRUNT, + TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJUMBO, + TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXFRAG, + TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXJABBER, + TSI108_STAT_RXJABBER_CARRY, &data->rx_long_fcs); + + tsi108_stat_carry_one(carry1, TSI108_STAT_CARRY1_RXDROP, + TSI108_STAT_RXDROP_CARRY, + &data->stats.rx_missed_errors); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXBYTES, + TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPKTS, + TSI108_STAT_TXPKTS_CARRY, + &data->stats.tx_packets); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXDEF, + TSI108_STAT_TXEXDEF_CARRY, + &data->stats.tx_aborted_errors); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXEXCOL, + TSI108_STAT_TXEXCOL_CARRY, &data->tx_coll_abort); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXTCOL, + TSI108_STAT_TXTCOL_CARRY, + &data->stats.collisions); + + tsi108_stat_carry_one(carry2, TSI108_STAT_CARRY2_TXPAUSE, + TSI108_STAT_TXPAUSEDROP_CARRY, + &data->tx_pause_drop); + + spin_unlock_irq(&data->misclock); +} + +/* Read a stat counter atomically with respect to carries. + * data->misclock must be held. + */ +static inline unsigned long +tsi108_read_stat(struct tsi108_prv_data * data, int reg, int carry_bit, + int carry_shift, unsigned long *upper) +{ + int carryreg; + unsigned long val; + + if (reg < 0xb0) + carryreg = TSI108_STAT_CARRY1; + else + carryreg = TSI108_STAT_CARRY2; + + again: + val = TSI_READ(reg) | *upper; + + /* Check to see if it overflowed, but the interrupt hasn't + * been serviced yet. If so, handle the carry here, and + * try again. + */ + + if (unlikely(TSI_READ(carryreg) & carry_bit)) { + *upper += carry_shift; + TSI_WRITE(carryreg, carry_bit); + goto again; + } + + return val; +} + +static struct net_device_stats *tsi108_get_stats(struct net_device *dev) +{ + unsigned long excol; + + struct tsi108_prv_data *data = netdev_priv(dev); + spin_lock_irq(&data->misclock); + + data->tmpstats.rx_packets = + tsi108_read_stat(data, TSI108_STAT_RXPKTS, + TSI108_STAT_CARRY1_RXPKTS, + TSI108_STAT_RXPKTS_CARRY, &data->stats.rx_packets); + + data->tmpstats.tx_packets = + tsi108_read_stat(data, TSI108_STAT_TXPKTS, + TSI108_STAT_CARRY2_TXPKTS, + TSI108_STAT_TXPKTS_CARRY, &data->stats.tx_packets); + + data->tmpstats.rx_bytes = + tsi108_read_stat(data, TSI108_STAT_RXBYTES, + TSI108_STAT_CARRY1_RXBYTES, + TSI108_STAT_RXBYTES_CARRY, &data->stats.rx_bytes); + + data->tmpstats.tx_bytes = + tsi108_read_stat(data, TSI108_STAT_TXBYTES, + TSI108_STAT_CARRY2_TXBYTES, + TSI108_STAT_TXBYTES_CARRY, &data->stats.tx_bytes); + + data->tmpstats.multicast = + tsi108_read_stat(data, TSI108_STAT_RXMCAST, + TSI108_STAT_CARRY1_RXMCAST, + TSI108_STAT_RXMCAST_CARRY, &data->stats.multicast); + + excol = tsi108_read_stat(data, TSI108_STAT_TXEXCOL, + TSI108_STAT_CARRY2_TXEXCOL, + TSI108_STAT_TXEXCOL_CARRY, + &data->tx_coll_abort); + + data->tmpstats.collisions = + tsi108_read_stat(data, TSI108_STAT_TXTCOL, + TSI108_STAT_CARRY2_TXTCOL, + TSI108_STAT_TXTCOL_CARRY, &data->stats.collisions); + + data->tmpstats.collisions += excol; + + data->tmpstats.rx_length_errors = + tsi108_read_stat(data, TSI108_STAT_RXLENGTH, + TSI108_STAT_CARRY1_RXLENGTH, + TSI108_STAT_RXLENGTH_CARRY, + &data->stats.rx_length_errors); + + data->tmpstats.rx_length_errors += + tsi108_read_stat(data, TSI108_STAT_RXRUNT, + TSI108_STAT_CARRY1_RXRUNT, + TSI108_STAT_RXRUNT_CARRY, &data->rx_underruns); + + data->tmpstats.rx_length_errors += + tsi108_read_stat(data, TSI108_STAT_RXJUMBO, + TSI108_STAT_CARRY1_RXJUMBO, + TSI108_STAT_RXJUMBO_CARRY, &data->rx_overruns); + + data->tmpstats.rx_frame_errors = + tsi108_read_stat(data, TSI108_STAT_RXALIGN, + TSI108_STAT_CARRY1_RXALIGN, + TSI108_STAT_RXALIGN_CARRY, + &data->stats.rx_frame_errors); + + data->tmpstats.rx_frame_errors += + tsi108_read_stat(data, TSI108_STAT_RXFCS, + TSI108_STAT_CARRY1_RXFCS, TSI108_STAT_RXFCS_CARRY, + &data->rx_fcs); + + data->tmpstats.rx_frame_errors += + tsi108_read_stat(data, TSI108_STAT_RXFRAG, + TSI108_STAT_CARRY1_RXFRAG, + TSI108_STAT_RXFRAG_CARRY, &data->rx_short_fcs); + + data->tmpstats.rx_missed_errors = + tsi108_read_stat(data, TSI108_STAT_RXDROP, + TSI108_STAT_CARRY1_RXDROP, + TSI108_STAT_RXDROP_CARRY, + &data->stats.rx_missed_errors); + + /* These three are maintained by software. */ + data->tmpstats.rx_fifo_errors = data->stats.rx_fifo_errors; + data->tmpstats.rx_crc_errors = data->stats.rx_crc_errors; + + data->tmpstats.tx_aborted_errors = + tsi108_read_stat(data, TSI108_STAT_TXEXDEF, + TSI108_STAT_CARRY2_TXEXDEF, + TSI108_STAT_TXEXDEF_CARRY, + &data->stats.tx_aborted_errors); + + data->tmpstats.tx_aborted_errors += + tsi108_read_stat(data, TSI108_STAT_TXPAUSEDROP, + TSI108_STAT_CARRY2_TXPAUSE, + TSI108_STAT_TXPAUSEDROP_CARRY, + &data->tx_pause_drop); + + data->tmpstats.tx_aborted_errors += excol; + + data->tmpstats.tx_errors = data->tmpstats.tx_aborted_errors; + data->tmpstats.rx_errors = data->tmpstats.rx_length_errors + + data->tmpstats.rx_crc_errors + + data->tmpstats.rx_frame_errors + + data->tmpstats.rx_fifo_errors + data->tmpstats.rx_missed_errors; + + spin_unlock_irq(&data->misclock); + return &data->tmpstats; +} + +static void tsi108_restart_rx(struct tsi108_prv_data * data, struct net_device *dev) +{ + TSI_WRITE(TSI108_EC_RXQ_PTRHIGH, + TSI108_EC_RXQ_PTRHIGH_VALID); + + TSI_WRITE(TSI108_EC_RXCTRL, TSI108_EC_RXCTRL_GO + | TSI108_EC_RXCTRL_QUEUE0); +} + +static void tsi108_restart_tx(struct tsi108_prv_data * data) +{ + TSI_WRITE(TSI108_EC_TXQ_PTRHIGH, + TSI108_EC_TXQ_PTRHIGH_VALID); + + TSI_WRITE(TSI108_EC_TXCTRL, TSI108_EC_TXCTRL_IDLEINT | + TSI108_EC_TXCTRL_GO | TSI108_EC_TXCTRL_QUEUE0); +} + +/* txlock must be held by caller, with IRQs disabled, and + * with permission to re-enable them when the lock is dropped. + */ +static void tsi108_complete_tx(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + int tx; + struct sk_buff *skb; + int release = 0; + + while (!data->txfree || data->txhead != data->txtail) { + tx = data->txtail; + + if (data->txring[tx].misc & TSI108_TX_OWN) + break; + + skb = data->txskbs[tx]; + + if (!(data->txring[tx].misc & TSI108_TX_OK)) + printk("%s: bad tx packet, misc %x\n", + dev->name, data->txring[tx].misc); + + data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN; + data->txfree++; + + if (data->txring[tx].misc & TSI108_TX_EOF) { + dev_kfree_skb_any(skb); + release++; + } + } + + if (release) { + if (is_valid_ether_addr(dev->dev_addr) && data->link_up) + netif_wake_queue(dev); + } +} + +static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + int frags = skb_shinfo(skb)->nr_frags + 1; + int i; + + if (!data->phy_ok && net_ratelimit()) + printk(KERN_ERR "%s: Transmit while PHY is down!\n", dev->name); + + if (!data->link_up) { + printk(KERN_ERR "%s: Transmit while link is down!\n", + dev->name); + netif_stop_queue(dev); + return NETDEV_TX_BUSY; + } + + if (data->txfree < MAX_SKB_FRAGS + 1) { + netif_stop_queue(dev); + + if (net_ratelimit()) + printk(KERN_ERR "%s: Transmit with full tx ring!\n", + dev->name); + return NETDEV_TX_BUSY; + } + + if (data->txfree - frags < MAX_SKB_FRAGS + 1) { + netif_stop_queue(dev); + } + + spin_lock_irq(&data->txlock); + + for (i = 0; i < frags; i++) { + int misc = 0; + int tx = data->txhead; + + /* This is done to mark every TSI108_TX_INT_FREQ tx buffers with + * the interrupt bit. TX descriptor-complete interrupts are + * enabled when the queue fills up, and masked when there is + * still free space. This way, when saturating the outbound + * link, the tx interrupts are kept to a reasonable level. + * When the queue is not full, reclamation of skbs still occurs + * as new packets are transmitted, or on a queue-empty + * interrupt. + */ + + if ((tx % TSI108_TX_INT_FREQ == 0) && + ((TSI108_TXRING_LEN - data->txfree) >= TSI108_TX_INT_FREQ)) + misc = TSI108_TX_INT; + + data->txskbs[tx] = skb; + + if (i == 0) { + data->txring[tx].buf0 = dma_map_single(NULL, skb->data, + skb->len - skb->data_len, DMA_TO_DEVICE); + data->txring[tx].len = skb->len - skb->data_len; + misc |= TSI108_TX_SOF; + } else { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1]; + + data->txring[tx].buf0 = + dma_map_page(NULL, frag->page, frag->page_offset, + frag->size, DMA_TO_DEVICE); + data->txring[tx].len = frag->size; + } + + if (i == frags - 1) + misc |= TSI108_TX_EOF; + + if (netif_msg_pktdata(data)) { + int i; + printk("%s: Tx Frame contents (%d)\n", dev->name, + skb->len); + for (i = 0; i < skb->len; i++) + printk(" %2.2x", skb->data[i]); + printk(".\n"); + } + data->txring[tx].misc = misc | TSI108_TX_OWN; + + data->txhead = (data->txhead + 1) % TSI108_TXRING_LEN; + data->txfree--; + } + + tsi108_complete_tx(dev); + + /* This must be done after the check for completed tx descriptors, + * so that the tail pointer is correct. + */ + + if (!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_QUEUE0)) + tsi108_restart_tx(data); + + spin_unlock_irq(&data->txlock); + return NETDEV_TX_OK; +} + +static int tsi108_complete_rx(struct net_device *dev, int budget) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + int done = 0; + + while (data->rxfree && done != budget) { + int rx = data->rxtail; + struct sk_buff *skb; + + if (data->rxring[rx].misc & TSI108_RX_OWN) + break; + + skb = data->rxskbs[rx]; + data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN; + data->rxfree--; + done++; + + if (data->rxring[rx].misc & TSI108_RX_BAD) { + spin_lock_irq(&data->misclock); + + if (data->rxring[rx].misc & TSI108_RX_CRC) + data->stats.rx_crc_errors++; + if (data->rxring[rx].misc & TSI108_RX_OVER) + data->stats.rx_fifo_errors++; + + spin_unlock_irq(&data->misclock); + + dev_kfree_skb_any(skb); + continue; + } + if (netif_msg_pktdata(data)) { + int i; + printk("%s: Rx Frame contents (%d)\n", + dev->name, data->rxring[rx].len); + for (i = 0; i < data->rxring[rx].len; i++) + printk(" %2.2x", skb->data[i]); + printk(".\n"); + } + + skb->dev = dev; + skb_put(skb, data->rxring[rx].len); + skb->protocol = eth_type_trans(skb, dev); + netif_receive_skb(skb); + dev->last_rx = jiffies; + } + + return done; +} + +static int tsi108_refill_rx(struct net_device *dev, int budget) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + int done = 0; + + while (data->rxfree != TSI108_RXRING_LEN && done != budget) { + int rx = data->rxhead; + struct sk_buff *skb; + + data->rxskbs[rx] = skb = dev_alloc_skb(TSI108_RXBUF_SIZE + 2); + if (!skb) + break; + + skb_reserve(skb, 2); /* Align the data on a 4-byte boundary. */ + + data->rxring[rx].buf0 = dma_map_single(NULL, skb->data, + TSI108_RX_SKB_SIZE, + DMA_FROM_DEVICE); + + /* Sometimes the hardware sets blen to zero after packet + * reception, even though the manual says that it's only ever + * modified by the driver. + */ + + data->rxring[rx].blen = TSI108_RX_SKB_SIZE; + data->rxring[rx].misc = TSI108_RX_OWN | TSI108_RX_INT; + + data->rxhead = (data->rxhead + 1) % TSI108_RXRING_LEN; + data->rxfree++; + done++; + } + + if (done != 0 && !(TSI_READ(TSI108_EC_RXSTAT) & + TSI108_EC_RXSTAT_QUEUE0)) + tsi108_restart_rx(data, dev); + + return done; +} + +static int tsi108_poll(struct net_device *dev, int *budget) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 estat = TSI_READ(TSI108_EC_RXESTAT); + u32 intstat = TSI_READ(TSI108_EC_INTSTAT); + int total_budget = min(*budget, dev->quota); + int num_received = 0, num_filled = 0, budget_used; + + intstat &= TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH | + TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | TSI108_INT_RXWAIT; + + TSI_WRITE(TSI108_EC_RXESTAT, estat); + TSI_WRITE(TSI108_EC_INTSTAT, intstat); + + if (data->rxpending || (estat & TSI108_EC_RXESTAT_Q0_DESCINT)) + num_received = tsi108_complete_rx(dev, total_budget); + + /* This should normally fill no more slots than the number of + * packets received in tsi108_complete_rx(). The exception + * is when we previously ran out of memory for RX SKBs. In that + * case, it's helpful to obey the budget, not only so that the + * CPU isn't hogged, but so that memory (which may still be low) + * is not hogged by one device. + * + * A work unit is considered to be two SKBs to allow us to catch + * up when the ring has shrunk due to out-of-memory but we're + * still removing the full budget's worth of packets each time. + */ + + if (data->rxfree < TSI108_RXRING_LEN) + num_filled = tsi108_refill_rx(dev, total_budget * 2); + + if (intstat & TSI108_INT_RXERROR) { + u32 err = TSI_READ(TSI108_EC_RXERR); + TSI_WRITE(TSI108_EC_RXERR, err); + + if (err) { + if (net_ratelimit()) + printk(KERN_DEBUG "%s: RX error %x\n", + dev->name, err); + + if (!(TSI_READ(TSI108_EC_RXSTAT) & + TSI108_EC_RXSTAT_QUEUE0)) + tsi108_restart_rx(data, dev); + } + } + + if (intstat & TSI108_INT_RXOVERRUN) { + spin_lock_irq(&data->misclock); + data->stats.rx_fifo_errors++; + spin_unlock_irq(&data->misclock); + } + + budget_used = max(num_received, num_filled / 2); + + *budget -= budget_used; + dev->quota -= budget_used; + + if (budget_used != total_budget) { + data->rxpending = 0; + netif_rx_complete(dev); + + TSI_WRITE(TSI108_EC_INTMASK, + TSI_READ(TSI108_EC_INTMASK) + & ~(TSI108_INT_RXQUEUE0 + | TSI108_INT_RXTHRESH | + TSI108_INT_RXOVERRUN | + TSI108_INT_RXERROR | + TSI108_INT_RXWAIT)); + + /* IRQs are level-triggered, so no need to re-check */ + return 0; + } else { + data->rxpending = 1; + } + + return 1; +} + +static void tsi108_rx_int(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + + /* A race could cause dev to already be scheduled, so it's not an + * error if that happens (and interrupts shouldn't be re-masked, + * because that can cause harmful races, if poll has already + * unmasked them but not cleared LINK_STATE_SCHED). + * + * This can happen if this code races with tsi108_poll(), which masks + * the interrupts after tsi108_irq_one() read the mask, but before + * netif_rx_schedule is called. It could also happen due to calls + * from tsi108_check_rxring(). + */ + + if (netif_rx_schedule_prep(dev)) { + /* Mask, rather than ack, the receive interrupts. The ack + * will happen in tsi108_poll(). + */ + + TSI_WRITE(TSI108_EC_INTMASK, + TSI_READ(TSI108_EC_INTMASK) | + TSI108_INT_RXQUEUE0 + | TSI108_INT_RXTHRESH | + TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | + TSI108_INT_RXWAIT); + __netif_rx_schedule(dev); + } else { + if (!netif_running(dev)) { + /* This can happen if an interrupt occurs while the + * interface is being brought down, as the START + * bit is cleared before the stop function is called. + * + * In this case, the interrupts must be masked, or + * they will continue indefinitely. + * + * There's a race here if the interface is brought down + * and then up in rapid succession, as the device could + * be made running after the above check and before + * the masking below. This will only happen if the IRQ + * thread has a lower priority than the task brining + * up the interface. Fixing this race would likely + * require changes in generic code. + */ + + TSI_WRITE(TSI108_EC_INTMASK, + TSI_READ + (TSI108_EC_INTMASK) | + TSI108_INT_RXQUEUE0 | + TSI108_INT_RXTHRESH | + TSI108_INT_RXOVERRUN | + TSI108_INT_RXERROR | + TSI108_INT_RXWAIT); + } + } +} + +/* If the RX ring has run out of memory, try periodically + * to allocate some more, as otherwise poll would never + * get called (apart from the initial end-of-queue condition). + * + * This is called once per second (by default) from the thread. + */ + +static void tsi108_check_rxring(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + + /* A poll is scheduled, as opposed to caling tsi108_refill_rx + * directly, so as to keep the receive path single-threaded + * (and thus not needing a lock). + */ + + if (netif_running(dev) && data->rxfree < TSI108_RXRING_LEN / 4) + tsi108_rx_int(dev); +} + +static void tsi108_tx_int(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 estat = TSI_READ(TSI108_EC_TXESTAT); + + TSI_WRITE(TSI108_EC_TXESTAT, estat); + TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_TXQUEUE0 | + TSI108_INT_TXIDLE | TSI108_INT_TXERROR); + if (estat & TSI108_EC_TXESTAT_Q0_ERR) { + u32 err = TSI_READ(TSI108_EC_TXERR); + TSI_WRITE(TSI108_EC_TXERR, err); + + if (err && net_ratelimit()) + printk(KERN_ERR "%s: TX error %x\n", dev->name, err); + } + + if (estat & (TSI108_EC_TXESTAT_Q0_DESCINT | TSI108_EC_TXESTAT_Q0_EOQ)) { + spin_lock(&data->txlock); + tsi108_complete_tx(dev); + spin_unlock(&data->txlock); + } +} + + +static irqreturn_t tsi108_irq(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct tsi108_prv_data *data = netdev_priv(dev); + u32 stat = TSI_READ(TSI108_EC_INTSTAT); + + if (!(stat & TSI108_INT_ANY)) + return IRQ_NONE; /* Not our interrupt */ + + stat &= ~TSI_READ(TSI108_EC_INTMASK); + + if (stat & (TSI108_INT_TXQUEUE0 | TSI108_INT_TXIDLE | + TSI108_INT_TXERROR)) + tsi108_tx_int(dev); + if (stat & (TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH | + TSI108_INT_RXWAIT | TSI108_INT_RXOVERRUN | + TSI108_INT_RXERROR)) + tsi108_rx_int(dev); + + if (stat & TSI108_INT_SFN) { + if (net_ratelimit()) + printk(KERN_DEBUG "%s: SFN error\n", dev->name); + TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_SFN); + } + + if (stat & TSI108_INT_STATCARRY) { + tsi108_stat_carry(dev); + TSI_WRITE(TSI108_EC_INTSTAT, TSI108_INT_STATCARRY); + } + + return IRQ_HANDLED; +} + +static void tsi108_stop_ethernet(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + int i = 1000; + /* Disable all TX and RX queues ... */ + TSI_WRITE(TSI108_EC_TXCTRL, 0); + TSI_WRITE(TSI108_EC_RXCTRL, 0); + + /* ...and wait for them to become idle */ + while(i--) { + if(!(TSI_READ(TSI108_EC_TXSTAT) & TSI108_EC_TXSTAT_ACTIVE)) + break; + udelay(10); + } + i = 1000; + while(i--){ + if(!(TSI_READ(TSI108_EC_RXSTAT) & TSI108_EC_RXSTAT_ACTIVE)) + return; + udelay(10); + } + printk(KERN_ERR "%s function time out \n", __FUNCTION__); +} + +static void tsi108_reset_ether(struct tsi108_prv_data * data) +{ + TSI_WRITE(TSI108_MAC_CFG1, TSI108_MAC_CFG1_SOFTRST); + udelay(100); + TSI_WRITE(TSI108_MAC_CFG1, 0); + + TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATRST); + udelay(100); + TSI_WRITE(TSI108_EC_PORTCTRL, + TSI_READ(TSI108_EC_PORTCTRL) & + ~TSI108_EC_PORTCTRL_STATRST); + + TSI_WRITE(TSI108_EC_TXCFG, TSI108_EC_TXCFG_RST); + udelay(100); + TSI_WRITE(TSI108_EC_TXCFG, + TSI_READ(TSI108_EC_TXCFG) & + ~TSI108_EC_TXCFG_RST); + + TSI_WRITE(TSI108_EC_RXCFG, TSI108_EC_RXCFG_RST); + udelay(100); + TSI_WRITE(TSI108_EC_RXCFG, + TSI_READ(TSI108_EC_RXCFG) & + ~TSI108_EC_RXCFG_RST); + + TSI_WRITE(TSI108_MAC_MII_MGMT_CFG, + TSI_READ(TSI108_MAC_MII_MGMT_CFG) | + TSI108_MAC_MII_MGMT_RST); + udelay(100); + TSI_WRITE(TSI108_MAC_MII_MGMT_CFG, + (TSI_READ(TSI108_MAC_MII_MGMT_CFG) & + ~(TSI108_MAC_MII_MGMT_RST | + TSI108_MAC_MII_MGMT_CLK)) | 0x07); +} + +static int tsi108_get_mac(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 word1 = TSI_READ(TSI108_MAC_ADDR1); + u32 word2 = TSI_READ(TSI108_MAC_ADDR2); + + /* Note that the octets are reversed from what the manual says, + * producing an even weirder ordering... + */ + if (word2 == 0 && word1 == 0) { + dev->dev_addr[0] = 0x00; + dev->dev_addr[1] = 0x06; + dev->dev_addr[2] = 0xd2; + dev->dev_addr[3] = 0x00; + dev->dev_addr[4] = 0x00; + if (0x8 == data->phy) + dev->dev_addr[5] = 0x01; + else + dev->dev_addr[5] = 0x02; + + word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24); + + word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) | + (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24); + + TSI_WRITE(TSI108_MAC_ADDR1, word1); + TSI_WRITE(TSI108_MAC_ADDR2, word2); + } else { + dev->dev_addr[0] = (word2 >> 16) & 0xff; + dev->dev_addr[1] = (word2 >> 24) & 0xff; + dev->dev_addr[2] = (word1 >> 0) & 0xff; + dev->dev_addr[3] = (word1 >> 8) & 0xff; + dev->dev_addr[4] = (word1 >> 16) & 0xff; + dev->dev_addr[5] = (word1 >> 24) & 0xff; + } + + if (!is_valid_ether_addr(dev->dev_addr)) { + printk("KERN_ERR: word1: %08x, word2: %08x\n", word1, word2); + return -EINVAL; + } + + return 0; +} + +static int tsi108_set_mac(struct net_device *dev, void *addr) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 word1, word2; + int i; + + if (!is_valid_ether_addr(addr)) + return -EINVAL; + + for (i = 0; i < 6; i++) + /* +2 is for the offset of the HW addr type */ + dev->dev_addr[i] = ((unsigned char *)addr)[i + 2]; + + word2 = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 24); + + word1 = (dev->dev_addr[2] << 0) | (dev->dev_addr[3] << 8) | + (dev->dev_addr[4] << 16) | (dev->dev_addr[5] << 24); + + spin_lock_irq(&data->misclock); + TSI_WRITE(TSI108_MAC_ADDR1, word1); + TSI_WRITE(TSI108_MAC_ADDR2, word2); + spin_lock(&data->txlock); + + if (data->txfree && data->link_up) + netif_wake_queue(dev); + + spin_unlock(&data->txlock); + spin_unlock_irq(&data->misclock); + return 0; +} + +/* Protected by dev->xmit_lock. */ +static void tsi108_set_rx_mode(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 rxcfg = TSI_READ(TSI108_EC_RXCFG); + + if (dev->flags & IFF_PROMISC) { + rxcfg &= ~(TSI108_EC_RXCFG_UC_HASH | TSI108_EC_RXCFG_MC_HASH); + rxcfg |= TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE; + goto out; + } + + rxcfg &= ~(TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE); + + if (dev->flags & IFF_ALLMULTI || dev->mc_count) { + int i; + struct dev_mc_list *mc = dev->mc_list; + rxcfg |= TSI108_EC_RXCFG_MFE | TSI108_EC_RXCFG_MC_HASH; + + memset(data->mc_hash, 0, sizeof(data->mc_hash)); + + while (mc) { + u32 hash, crc; + + if (mc->dmi_addrlen == 6) { + crc = ether_crc(6, mc->dmi_addr); + hash = crc >> 23; + + __set_bit(hash, &data->mc_hash[0]); + } else { + printk(KERN_ERR + "%s: got multicast address of length %d " + "instead of 6.\n", dev->name, + mc->dmi_addrlen); + } + + mc = mc->next; + } + + TSI_WRITE(TSI108_EC_HASHADDR, + TSI108_EC_HASHADDR_AUTOINC | + TSI108_EC_HASHADDR_MCAST); + + for (i = 0; i < 16; i++) { + /* The manual says that the hardware may drop + * back-to-back writes to the data register. + */ + udelay(1); + TSI_WRITE(TSI108_EC_HASHDATA, + data->mc_hash[i]); + } + } + + out: + TSI_WRITE(TSI108_EC_RXCFG, rxcfg); +} + +static void tsi108_init_phy(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + u32 i = 0; + u16 phyval = 0; + unsigned long flags; + + spin_lock_irqsave(&phy_lock, flags); + + tsi108_write_mii(data, MII_BMCR, BMCR_RESET); + while (i--){ + if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET)) + break; + udelay(10); + } + if (i == 0) + printk(KERN_ERR "%s function time out \n", __FUNCTION__); + +#if (TSI108_PHY_TYPE == PHY_BCM54XX) /* Broadcom BCM54xx PHY */ + tsi108_write_mii(data, 0x09, 0x0300); + tsi108_write_mii(data, 0x10, 0x1020); + tsi108_write_mii(data, 0x1c, 0x8c00); +#endif + + tsi108_write_mii(data, + MII_BMCR, + BMCR_ANENABLE | BMCR_ANRESTART); + while (tsi108_read_mii(data, MII_BMCR) & BMCR_ANRESTART) + cpu_relax(); + + /* Set G/MII mode and receive clock select in TBI control #2. The + * second port won't work if this isn't done, even though we don't + * use TBI mode. + */ + + tsi108_write_tbi(data, 0x11, 0x30); + + /* FIXME: It seems to take more than 2 back-to-back reads to the + * PHY_STAT register before the link up status bit is set. + */ + + data->link_up = 1; + + while (!((phyval = tsi108_read_mii(data, MII_BMSR)) & + BMSR_LSTATUS)) { + if (i++ > (MII_READ_DELAY / 10)) { + data->link_up = 0; + break; + } + spin_unlock_irqrestore(&phy_lock, flags); + msleep(10); + spin_lock_irqsave(&phy_lock, flags); + } + + printk(KERN_DEBUG "PHY_STAT reg contains %08x\n", phyval); + data->phy_ok = 1; + data->init_media = 1; + spin_unlock_irqrestore(&phy_lock, flags); +} + +static void tsi108_kill_phy(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + unsigned long flags; + + spin_lock_irqsave(&phy_lock, flags); + tsi108_write_mii(data, MII_BMCR, BMCR_PDOWN); + data->phy_ok = 0; + spin_unlock_irqrestore(&phy_lock, flags); +} + +static int tsi108_open(struct net_device *dev) +{ + int i; + struct tsi108_prv_data *data = netdev_priv(dev); + unsigned int rxring_size = TSI108_RXRING_LEN * sizeof(rx_desc); + unsigned int txring_size = TSI108_TXRING_LEN * sizeof(tx_desc); + + i = request_irq(data->irq_num, tsi108_irq, 0, dev->name, dev); + if (i != 0) { + printk(KERN_ERR "tsi108_eth%d: Could not allocate IRQ%d.\n", + data->id, data->irq_num); + return i; + } else { + dev->irq = data->irq_num; + printk(KERN_NOTICE + "tsi108_open : Port %d Assigned IRQ %d to %s\n", + data->id, dev->irq, dev->name); + } + + data->rxring = dma_alloc_coherent(NULL, rxring_size, + &data->rxdma, GFP_KERNEL); + + if (!data->rxring) { + printk(KERN_DEBUG + "TSI108_ETH: failed to allocate memory for rxring!\n"); + return -ENOMEM; + } else { + memset(data->rxring, 0, rxring_size); + } + + data->txring = dma_alloc_coherent(NULL, txring_size, + &data->txdma, GFP_KERNEL); + + if (!data->txring) { + printk(KERN_DEBUG + "TSI108_ETH: failed to allocate memory for txring!\n"); + pci_free_consistent(0, rxring_size, data->rxring, data->rxdma); + return -ENOMEM; + } else { + memset(data->txring, 0, txring_size); + } + + for (i = 0; i < TSI108_RXRING_LEN; i++) { + data->rxring[i].next0 = data->rxdma + (i + 1) * sizeof(rx_desc); + data->rxring[i].blen = TSI108_RXBUF_SIZE; + data->rxring[i].vlan = 0; + } + + data->rxring[TSI108_RXRING_LEN - 1].next0 = data->rxdma; + + data->rxtail = 0; + data->rxhead = 0; + + for (i = 0; i < TSI108_RXRING_LEN; i++) { + struct sk_buff *skb = dev_alloc_skb(TSI108_RXBUF_SIZE + NET_IP_ALIGN); + + if (!skb) { + /* Bah. No memory for now, but maybe we'll get + * some more later. + * For now, we'll live with the smaller ring. + */ + printk(KERN_WARNING + "%s: Could only allocate %d receive skb(s).\n", + dev->name, i); + data->rxhead = i; + break; + } + + data->rxskbs[i] = skb; + /* Align the payload on a 4-byte boundary */ + skb_reserve(skb, 2); + data->rxskbs[i] = skb; + data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data); + data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT; + } + + data->rxfree = i; + TSI_WRITE(TSI108_EC_RXQ_PTRLOW, data->rxdma); + + for (i = 0; i < TSI108_TXRING_LEN; i++) { + data->txring[i].next0 = data->txdma + (i + 1) * sizeof(tx_desc); + data->txring[i].misc = 0; + } + + data->txring[TSI108_TXRING_LEN - 1].next0 = data->txdma; + data->txtail = 0; + data->txhead = 0; + data->txfree = TSI108_TXRING_LEN; + TSI_WRITE(TSI108_EC_TXQ_PTRLOW, data->txdma); + tsi108_init_phy(dev); + + setup_timer(&data->timer, tsi108_timed_checker, (unsigned long)dev); + mod_timer(&data->timer, jiffies + 1); + + tsi108_restart_rx(data, dev); + + TSI_WRITE(TSI108_EC_INTSTAT, ~0); + + TSI_WRITE(TSI108_EC_INTMASK, + ~(TSI108_INT_TXQUEUE0 | TSI108_INT_RXERROR | + TSI108_INT_RXTHRESH | TSI108_INT_RXQUEUE0 | + TSI108_INT_RXOVERRUN | TSI108_INT_RXWAIT | + TSI108_INT_SFN | TSI108_INT_STATCARRY)); + + TSI_WRITE(TSI108_MAC_CFG1, + TSI108_MAC_CFG1_RXEN | TSI108_MAC_CFG1_TXEN); + netif_start_queue(dev); + return 0; +} + +static int tsi108_close(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + + netif_stop_queue(dev); + + del_timer_sync(&data->timer); + + tsi108_stop_ethernet(dev); + tsi108_kill_phy(dev); + TSI_WRITE(TSI108_EC_INTMASK, ~0); + TSI_WRITE(TSI108_MAC_CFG1, 0); + + /* Check for any pending TX packets, and drop them. */ + + while (!data->txfree || data->txhead != data->txtail) { + int tx = data->txtail; + struct sk_buff *skb; + skb = data->txskbs[tx]; + data->txtail = (data->txtail + 1) % TSI108_TXRING_LEN; + data->txfree++; + dev_kfree_skb(skb); + } + + synchronize_irq(data->irq_num); + free_irq(data->irq_num, dev); + + /* Discard the RX ring. */ + + while (data->rxfree) { + int rx = data->rxtail; + struct sk_buff *skb; + + skb = data->rxskbs[rx]; + data->rxtail = (data->rxtail + 1) % TSI108_RXRING_LEN; + data->rxfree--; + dev_kfree_skb(skb); + } + + dma_free_coherent(0, + TSI108_RXRING_LEN * sizeof(rx_desc), + data->rxring, data->rxdma); + dma_free_coherent(0, + TSI108_TXRING_LEN * sizeof(tx_desc), + data->txring, data->txdma); + + return 0; +} + +static void tsi108_init_mac(struct net_device *dev) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + + TSI_WRITE(TSI108_MAC_CFG2, TSI108_MAC_CFG2_DFLT_PREAMBLE | + TSI108_MAC_CFG2_PADCRC); + + TSI_WRITE(TSI108_EC_TXTHRESH, + (192 << TSI108_EC_TXTHRESH_STARTFILL) | + (192 << TSI108_EC_TXTHRESH_STOPFILL)); + + TSI_WRITE(TSI108_STAT_CARRYMASK1, + ~(TSI108_STAT_CARRY1_RXBYTES | + TSI108_STAT_CARRY1_RXPKTS | + TSI108_STAT_CARRY1_RXFCS | + TSI108_STAT_CARRY1_RXMCAST | + TSI108_STAT_CARRY1_RXALIGN | + TSI108_STAT_CARRY1_RXLENGTH | + TSI108_STAT_CARRY1_RXRUNT | + TSI108_STAT_CARRY1_RXJUMBO | + TSI108_STAT_CARRY1_RXFRAG | + TSI108_STAT_CARRY1_RXJABBER | + TSI108_STAT_CARRY1_RXDROP)); + + TSI_WRITE(TSI108_STAT_CARRYMASK2, + ~(TSI108_STAT_CARRY2_TXBYTES | + TSI108_STAT_CARRY2_TXPKTS | + TSI108_STAT_CARRY2_TXEXDEF | + TSI108_STAT_CARRY2_TXEXCOL | + TSI108_STAT_CARRY2_TXTCOL | + TSI108_STAT_CARRY2_TXPAUSE)); + + TSI_WRITE(TSI108_EC_PORTCTRL, TSI108_EC_PORTCTRL_STATEN); + TSI_WRITE(TSI108_MAC_CFG1, 0); + + TSI_WRITE(TSI108_EC_RXCFG, + TSI108_EC_RXCFG_SE | TSI108_EC_RXCFG_BFE); + + TSI_WRITE(TSI108_EC_TXQ_CFG, TSI108_EC_TXQ_CFG_DESC_INT | + TSI108_EC_TXQ_CFG_EOQ_OWN_INT | + TSI108_EC_TXQ_CFG_WSWP | (TSI108_PBM_PORT << + TSI108_EC_TXQ_CFG_SFNPORT)); + + TSI_WRITE(TSI108_EC_RXQ_CFG, TSI108_EC_RXQ_CFG_DESC_INT | + TSI108_EC_RXQ_CFG_EOQ_OWN_INT | + TSI108_EC_RXQ_CFG_WSWP | (TSI108_PBM_PORT << + TSI108_EC_RXQ_CFG_SFNPORT)); + + TSI_WRITE(TSI108_EC_TXQ_BUFCFG, + TSI108_EC_TXQ_BUFCFG_BURST256 | + TSI108_EC_TXQ_BUFCFG_BSWP | (TSI108_PBM_PORT << + TSI108_EC_TXQ_BUFCFG_SFNPORT)); + + TSI_WRITE(TSI108_EC_RXQ_BUFCFG, + TSI108_EC_RXQ_BUFCFG_BURST256 | + TSI108_EC_RXQ_BUFCFG_BSWP | (TSI108_PBM_PORT << + TSI108_EC_RXQ_BUFCFG_SFNPORT)); + + TSI_WRITE(TSI108_EC_INTMASK, ~0); +} + +static int tsi108_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct tsi108_prv_data *data = netdev_priv(dev); + return generic_mii_ioctl(&data->mii_if, if_mii(rq), cmd, NULL); +} + +static int +tsi108_init_one(struct platform_device *pdev) +{ + struct net_device *dev = NULL; + struct tsi108_prv_data *data = NULL; + hw_info *einfo; + int err = 0; + + einfo = pdev->dev.platform_data; + + if (NULL == einfo) { + printk(KERN_ERR "tsi-eth %d: Missing additional data!\n", + pdev->id); + return -ENODEV; + } + + /* Create an ethernet device instance */ + + dev = alloc_etherdev(sizeof(struct tsi108_prv_data)); + if (!dev) { + printk("tsi108_eth: Could not allocate a device structure\n"); + return -ENOMEM; + } + + printk("tsi108_eth%d: probe...\n", pdev->id); + data = netdev_priv(dev); + + pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n", + pdev->id, einfo->regs, einfo->phyregs, + einfo->phy, einfo->irq_num); + + data->regs = ioremap(einfo->regs, 0x400); + if (NULL == data->regs) { + err = -ENOMEM; + goto regs_fail; + } + + data->phyregs = ioremap(einfo->phyregs, 0x400); + if (NULL == data->phyregs) { + err = -ENOMEM; + goto regs_fail; + } +/* MII setup */ + data->mii_if.dev = dev; + data->mii_if.mdio_read = tsi108_mdio_read; + data->mii_if.mdio_write = tsi108_mdio_write; + data->mii_if.phy_id = einfo->phy; + data->mii_if.phy_id_mask = 0x1f; + data->mii_if.reg_num_mask = 0x1f; + data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if); + + data->phy = einfo->phy; + data->irq_num = einfo->irq_num; + data->id = pdev->id; + dev->open = tsi108_open; + dev->stop = tsi108_close; + dev->hard_start_xmit = tsi108_send_packet; + dev->set_mac_address = tsi108_set_mac; + dev->set_multicast_list = tsi108_set_rx_mode; + dev->get_stats = tsi108_get_stats; + dev->poll = tsi108_poll; + dev->do_ioctl = tsi108_do_ioctl; + dev->weight = 64; /* 64 is more suitable for GigE interface - klai */ + + /* Apparently, the Linux networking code won't use scatter-gather + * if the hardware doesn't do checksums. However, it's faster + * to checksum in place and use SG, as (among other reasons) + * the cache won't be dirtied (which then has to be flushed + * before DMA). The checksumming is done by the driver (via + * a new function skb_csum_dev() in net/core/skbuff.c). + */ + + dev->features = NETIF_F_HIGHDMA; + SET_MODULE_OWNER(dev); + + spin_lock_init(&data->txlock); + spin_lock_init(&data->misclock); + + tsi108_reset_ether(data); + tsi108_kill_phy(dev); + + if ((err = tsi108_get_mac(dev)) != 0) { + printk(KERN_ERR "%s: Invalid MAC address. Please correct.\n", + dev->name); + goto register_fail; + } + + tsi108_init_mac(dev); + err = register_netdev(dev); + if (err) { + printk(KERN_ERR "%s: Cannot register net device, aborting.\n", + dev->name); + goto register_fail; + } + + printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: " + "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, + dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], + dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); +#ifdef DEBUG + data->msg_enable = DEBUG; + dump_eth_one(dev); +#endif + + return 0; + +register_fail: + iounmap(data->regs); + iounmap(data->phyregs); + +regs_fail: + free_netdev(dev); + return err; +} + +/* There's no way to either get interrupts from the PHY when + * something changes, or to have the Tsi108 automatically communicate + * with the PHY to reconfigure itself. + * + * Thus, we have to do it using a timer. + */ + +static void tsi108_timed_checker(unsigned long dev_ptr) +{ + struct net_device *dev = (struct net_device *)dev_ptr; + struct tsi108_prv_data *data = netdev_priv(dev); + + tsi108_check_phy(dev); + tsi108_check_rxring(dev); + mod_timer(&data->timer, jiffies + CHECK_PHY_INTERVAL); +} + +static int tsi108_ether_init(void) +{ + int ret; + ret = platform_driver_register (&tsi_eth_driver); + if (ret < 0){ + printk("tsi108_ether_init: error initializing ethernet " + "device\n"); + return ret; + } + return 0; +} + +static int tsi108_ether_remove(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct tsi108_prv_data *priv = netdev_priv(dev); + + unregister_netdev(dev); + tsi108_stop_ethernet(dev); + platform_set_drvdata(pdev, NULL); + iounmap(priv->regs); + iounmap(priv->phyregs); + free_netdev(dev); + + return 0; +} +static void tsi108_ether_exit(void) +{ + platform_driver_unregister(&tsi_eth_driver); +} + +module_init(tsi108_ether_init); +module_exit(tsi108_ether_exit); + +MODULE_AUTHOR("Tundra Semiconductor Corporation"); +MODULE_DESCRIPTION("Tsi108 Gigabit Ethernet driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/tsi108_eth.h b/drivers/net/tsi108_eth.h new file mode 100644 index 00000000000..77a769df228 --- /dev/null +++ b/drivers/net/tsi108_eth.h @@ -0,0 +1,365 @@ +/* + * (C) Copyright 2005 Tundra Semiconductor Corp. + * Kong Lai, + +#define TSI_WRITE(offset, val) \ + out_be32((data->regs + (offset)), val) + +#define TSI_READ(offset) \ + in_be32((data->regs + (offset))) + +#define TSI_WRITE_PHY(offset, val) \ + out_be32((data->phyregs + (offset)), val) + +#define TSI_READ_PHY(offset) \ + in_be32((data->phyregs + (offset))) + +/* + * PHY Configuration Options + * + * NOTE: Enable set of definitions corresponding to your board type + */ +#define PHY_MV88E 1 /* Marvel 88Exxxx PHY */ +#define PHY_BCM54XX 2 /* Broardcom BCM54xx PHY */ +#define TSI108_PHY_TYPE PHY_MV88E + +/* + * TSI108 GIGE port registers + */ + +#define TSI108_ETH_PORT_NUM 2 +#define TSI108_PBM_PORT 2 +#define TSI108_SDRAM_PORT 4 + +#define TSI108_MAC_CFG1 (0x000) +#define TSI108_MAC_CFG1_SOFTRST (1 << 31) +#define TSI108_MAC_CFG1_LOOPBACK (1 << 8) +#define TSI108_MAC_CFG1_RXEN (1 << 2) +#define TSI108_MAC_CFG1_TXEN (1 << 0) + +#define TSI108_MAC_CFG2 (0x004) +#define TSI108_MAC_CFG2_DFLT_PREAMBLE (7 << 12) +#define TSI108_MAC_CFG2_IFACE_MASK (3 << 8) +#define TSI108_MAC_CFG2_NOGIG (1 << 8) +#define TSI108_MAC_CFG2_GIG (2 << 8) +#define TSI108_MAC_CFG2_PADCRC (1 << 2) +#define TSI108_MAC_CFG2_FULLDUPLEX (1 << 0) + +#define TSI108_MAC_MII_MGMT_CFG (0x020) +#define TSI108_MAC_MII_MGMT_CLK (7 << 0) +#define TSI108_MAC_MII_MGMT_RST (1 << 31) + +#define TSI108_MAC_MII_CMD (0x024) +#define TSI108_MAC_MII_CMD_READ (1 << 0) + +#define TSI108_MAC_MII_ADDR (0x028) +#define TSI108_MAC_MII_ADDR_REG 0 +#define TSI108_MAC_MII_ADDR_PHY 8 + +#define TSI108_MAC_MII_DATAOUT (0x02c) +#define TSI108_MAC_MII_DATAIN (0x030) + +#define TSI108_MAC_MII_IND (0x034) +#define TSI108_MAC_MII_IND_NOTVALID (1 << 2) +#define TSI108_MAC_MII_IND_SCANNING (1 << 1) +#define TSI108_MAC_MII_IND_BUSY (1 << 0) + +#define TSI108_MAC_IFCTRL (0x038) +#define TSI108_MAC_IFCTRL_PHYMODE (1 << 24) + +#define TSI108_MAC_ADDR1 (0x040) +#define TSI108_MAC_ADDR2 (0x044) + +#define TSI108_STAT_RXBYTES (0x06c) +#define TSI108_STAT_RXBYTES_CARRY (1 << 24) + +#define TSI108_STAT_RXPKTS (0x070) +#define TSI108_STAT_RXPKTS_CARRY (1 << 18) + +#define TSI108_STAT_RXFCS (0x074) +#define TSI108_STAT_RXFCS_CARRY (1 << 12) + +#define TSI108_STAT_RXMCAST (0x078) +#define TSI108_STAT_RXMCAST_CARRY (1 << 18) + +#define TSI108_STAT_RXALIGN (0x08c) +#define TSI108_STAT_RXALIGN_CARRY (1 << 12) + +#define TSI108_STAT_RXLENGTH (0x090) +#define TSI108_STAT_RXLENGTH_CARRY (1 << 12) + +#define TSI108_STAT_RXRUNT (0x09c) +#define TSI108_STAT_RXRUNT_CARRY (1 << 12) + +#define TSI108_STAT_RXJUMBO (0x0a0) +#define TSI108_STAT_RXJUMBO_CARRY (1 << 12) + +#define TSI108_STAT_RXFRAG (0x0a4) +#define TSI108_STAT_RXFRAG_CARRY (1 << 12) + +#define TSI108_STAT_RXJABBER (0x0a8) +#define TSI108_STAT_RXJABBER_CARRY (1 << 12) + +#define TSI108_STAT_RXDROP (0x0ac) +#define TSI108_STAT_RXDROP_CARRY (1 << 12) + +#define TSI108_STAT_TXBYTES (0x0b0) +#define TSI108_STAT_TXBYTES_CARRY (1 << 24) + +#define TSI108_STAT_TXPKTS (0x0b4) +#define TSI108_STAT_TXPKTS_CARRY (1 << 18) + +#define TSI108_STAT_TXEXDEF (0x0c8) +#define TSI108_STAT_TXEXDEF_CARRY (1 << 12) + +#define TSI108_STAT_TXEXCOL (0x0d8) +#define TSI108_STAT_TXEXCOL_CARRY (1 << 12) + +#define TSI108_STAT_TXTCOL (0x0dc) +#define TSI108_STAT_TXTCOL_CARRY (1 << 13) + +#define TSI108_STAT_TXPAUSEDROP (0x0e4) +#define TSI108_STAT_TXPAUSEDROP_CARRY (1 << 12) + +#define TSI108_STAT_CARRY1 (0x100) +#define TSI108_STAT_CARRY1_RXBYTES (1 << 16) +#define TSI108_STAT_CARRY1_RXPKTS (1 << 15) +#define TSI108_STAT_CARRY1_RXFCS (1 << 14) +#define TSI108_STAT_CARRY1_RXMCAST (1 << 13) +#define TSI108_STAT_CARRY1_RXALIGN (1 << 8) +#define TSI108_STAT_CARRY1_RXLENGTH (1 << 7) +#define TSI108_STAT_CARRY1_RXRUNT (1 << 4) +#define TSI108_STAT_CARRY1_RXJUMBO (1 << 3) +#define TSI108_STAT_CARRY1_RXFRAG (1 << 2) +#define TSI108_STAT_CARRY1_RXJABBER (1 << 1) +#define TSI108_STAT_CARRY1_RXDROP (1 << 0) + +#define TSI108_STAT_CARRY2 (0x104) +#define TSI108_STAT_CARRY2_TXBYTES (1 << 13) +#define TSI108_STAT_CARRY2_TXPKTS (1 << 12) +#define TSI108_STAT_CARRY2_TXEXDEF (1 << 7) +#define TSI108_STAT_CARRY2_TXEXCOL (1 << 3) +#define TSI108_STAT_CARRY2_TXTCOL (1 << 2) +#define TSI108_STAT_CARRY2_TXPAUSE (1 << 0) + +#define TSI108_STAT_CARRYMASK1 (0x108) +#define TSI108_STAT_CARRYMASK2 (0x10c) + +#define TSI108_EC_PORTCTRL (0x200) +#define TSI108_EC_PORTCTRL_STATRST (1 << 31) +#define TSI108_EC_PORTCTRL_STATEN (1 << 28) +#define TSI108_EC_PORTCTRL_NOGIG (1 << 18) +#define TSI108_EC_PORTCTRL_HALFDUPLEX (1 << 16) + +#define TSI108_EC_INTSTAT (0x204) +#define TSI108_EC_INTMASK (0x208) + +#define TSI108_INT_ANY (1 << 31) +#define TSI108_INT_SFN (1 << 30) +#define TSI108_INT_RXIDLE (1 << 29) +#define TSI108_INT_RXABORT (1 << 28) +#define TSI108_INT_RXERROR (1 << 27) +#define TSI108_INT_RXOVERRUN (1 << 26) +#define TSI108_INT_RXTHRESH (1 << 25) +#define TSI108_INT_RXWAIT (1 << 24) +#define TSI108_INT_RXQUEUE0 (1 << 16) +#define TSI108_INT_STATCARRY (1 << 15) +#define TSI108_INT_TXIDLE (1 << 13) +#define TSI108_INT_TXABORT (1 << 12) +#define TSI108_INT_TXERROR (1 << 11) +#define TSI108_INT_TXUNDERRUN (1 << 10) +#define TSI108_INT_TXTHRESH (1 << 9) +#define TSI108_INT_TXWAIT (1 << 8) +#define TSI108_INT_TXQUEUE0 (1 << 0) + +#define TSI108_EC_TXCFG (0x220) +#define TSI108_EC_TXCFG_RST (1 << 31) + +#define TSI108_EC_TXCTRL (0x224) +#define TSI108_EC_TXCTRL_IDLEINT (1 << 31) +#define TSI108_EC_TXCTRL_ABORT (1 << 30) +#define TSI108_EC_TXCTRL_GO (1 << 15) +#define TSI108_EC_TXCTRL_QUEUE0 (1 << 0) + +#define TSI108_EC_TXSTAT (0x228) +#define TSI108_EC_TXSTAT_ACTIVE (1 << 15) +#define TSI108_EC_TXSTAT_QUEUE0 (1 << 0) + +#define TSI108_EC_TXESTAT (0x22c) +#define TSI108_EC_TXESTAT_Q0_ERR (1 << 24) +#define TSI108_EC_TXESTAT_Q0_DESCINT (1 << 16) +#define TSI108_EC_TXESTAT_Q0_EOF (1 << 8) +#define TSI108_EC_TXESTAT_Q0_EOQ (1 << 0) + +#define TSI108_EC_TXERR (0x278) + +#define TSI108_EC_TXQ_CFG (0x280) +#define TSI108_EC_TXQ_CFG_DESC_INT (1 << 20) +#define TSI108_EC_TXQ_CFG_EOQ_OWN_INT (1 << 19) +#define TSI108_EC_TXQ_CFG_WSWP (1 << 11) +#define TSI108_EC_TXQ_CFG_BSWP (1 << 10) +#define TSI108_EC_TXQ_CFG_SFNPORT 0 + +#define TSI108_EC_TXQ_BUFCFG (0x284) +#define TSI108_EC_TXQ_BUFCFG_BURST8 (0 << 8) +#define TSI108_EC_TXQ_BUFCFG_BURST32 (1 << 8) +#define TSI108_EC_TXQ_BUFCFG_BURST128 (2 << 8) +#define TSI108_EC_TXQ_BUFCFG_BURST256 (3 << 8) +#define TSI108_EC_TXQ_BUFCFG_WSWP (1 << 11) +#define TSI108_EC_TXQ_BUFCFG_BSWP (1 << 10) +#define TSI108_EC_TXQ_BUFCFG_SFNPORT 0 + +#define TSI108_EC_TXQ_PTRLOW (0x288) + +#define TSI108_EC_TXQ_PTRHIGH (0x28c) +#define TSI108_EC_TXQ_PTRHIGH_VALID (1 << 31) + +#define TSI108_EC_TXTHRESH (0x230) +#define TSI108_EC_TXTHRESH_STARTFILL 0 +#define TSI108_EC_TXTHRESH_STOPFILL 16 + +#define TSI108_EC_RXCFG (0x320) +#define TSI108_EC_RXCFG_RST (1 << 31) + +#define TSI108_EC_RXSTAT (0x328) +#define TSI108_EC_RXSTAT_ACTIVE (1 << 15) +#define TSI108_EC_RXSTAT_QUEUE0 (1 << 0) + +#define TSI108_EC_RXESTAT (0x32c) +#define TSI108_EC_RXESTAT_Q0_ERR (1 << 24) +#define TSI108_EC_RXESTAT_Q0_DESCINT (1 << 16) +#define TSI108_EC_RXESTAT_Q0_EOF (1 << 8) +#define TSI108_EC_RXESTAT_Q0_EOQ (1 << 0) + +#define TSI108_EC_HASHADDR (0x360) +#define TSI108_EC_HASHADDR_AUTOINC (1 << 31) +#define TSI108_EC_HASHADDR_DO1STREAD (1 << 30) +#define TSI108_EC_HASHADDR_UNICAST (0 << 4) +#define TSI108_EC_HASHADDR_MCAST (1 << 4) + +#define TSI108_EC_HASHDATA (0x364) + +#define TSI108_EC_RXQ_PTRLOW (0x388) + +#define TSI108_EC_RXQ_PTRHIGH (0x38c) +#define TSI108_EC_RXQ_PTRHIGH_VALID (1 << 31) + +/* Station Enable -- accept packets destined for us */ +#define TSI108_EC_RXCFG_SE (1 << 13) +/* Unicast Frame Enable -- for packets not destined for us */ +#define TSI108_EC_RXCFG_UFE (1 << 12) +/* Multicast Frame Enable */ +#define TSI108_EC_RXCFG_MFE (1 << 11) +/* Broadcast Frame Enable */ +#define TSI108_EC_RXCFG_BFE (1 << 10) +#define TSI108_EC_RXCFG_UC_HASH (1 << 9) +#define TSI108_EC_RXCFG_MC_HASH (1 << 8) + +#define TSI108_EC_RXQ_CFG (0x380) +#define TSI108_EC_RXQ_CFG_DESC_INT (1 << 20) +#define TSI108_EC_RXQ_CFG_EOQ_OWN_INT (1 << 19) +#define TSI108_EC_RXQ_CFG_WSWP (1 << 11) +#define TSI108_EC_RXQ_CFG_BSWP (1 << 10) +#define TSI108_EC_RXQ_CFG_SFNPORT 0 + +#define TSI108_EC_RXQ_BUFCFG (0x384) +#define TSI108_EC_RXQ_BUFCFG_BURST8 (0 << 8) +#define TSI108_EC_RXQ_BUFCFG_BURST32 (1 << 8) +#define TSI108_EC_RXQ_BUFCFG_BURST128 (2 << 8) +#define TSI108_EC_RXQ_BUFCFG_BURST256 (3 << 8) +#define TSI108_EC_RXQ_BUFCFG_WSWP (1 << 11) +#define TSI108_EC_RXQ_BUFCFG_BSWP (1 << 10) +#define TSI108_EC_RXQ_BUFCFG_SFNPORT 0 + +#define TSI108_EC_RXCTRL (0x324) +#define TSI108_EC_RXCTRL_ABORT (1 << 30) +#define TSI108_EC_RXCTRL_GO (1 << 15) +#define TSI108_EC_RXCTRL_QUEUE0 (1 << 0) + +#define TSI108_EC_RXERR (0x378) + +#define TSI108_TX_EOF (1 << 0) /* End of frame; last fragment of packet */ +#define TSI108_TX_SOF (1 << 1) /* Start of frame; first frag. of packet */ +#define TSI108_TX_VLAN (1 << 2) /* Per-frame VLAN: enables VLAN override */ +#define TSI108_TX_HUGE (1 << 3) /* Huge frame enable */ +#define TSI108_TX_PAD (1 << 4) /* Pad the packet if too short */ +#define TSI108_TX_CRC (1 << 5) /* Generate CRC for this packet */ +#define TSI108_TX_INT (1 << 14) /* Generate an IRQ after frag. processed */ +#define TSI108_TX_RETRY (0xf << 16) /* 4 bit field indicating num. of retries */ +#define TSI108_TX_COL (1 << 20) /* Set if a collision occured */ +#define TSI108_TX_LCOL (1 << 24) /* Set if a late collision occured */ +#define TSI108_TX_UNDER (1 << 25) /* Set if a FIFO underrun occured */ +#define TSI108_TX_RLIM (1 << 26) /* Set if the retry limit was reached */ +#define TSI108_TX_OK (1 << 30) /* Set if the frame TX was successful */ +#define TSI108_TX_OWN (1 << 31) /* Set if the device owns the descriptor */ + +/* Note: the descriptor layouts assume big-endian byte order. */ +typedef struct { + u32 buf0; + u32 buf1; /* Base address of buffer */ + u32 next0; /* Address of next descriptor, if any */ + u32 next1; + u16 vlan; /* VLAN, if override enabled for this packet */ + u16 len; /* Length of buffer in bytes */ + u32 misc; /* See TSI108_TX_* above */ + u32 reserved0; /*reserved0 and reserved1 are added to make the desc */ + u32 reserved1; /* 32-byte aligned */ +} __attribute__ ((aligned(32))) tx_desc; + +#define TSI108_RX_EOF (1 << 0) /* End of frame; last fragment of packet */ +#define TSI108_RX_SOF (1 << 1) /* Start of frame; first frag. of packet */ +#define TSI108_RX_VLAN (1 << 2) /* Set on SOF if packet has a VLAN */ +#define TSI108_RX_FTYPE (1 << 3) /* Length/Type field is type, not length */ +#define TSI108_RX_RUNT (1 << 4)/* Packet is less than minimum size */ +#define TSI108_RX_HASH (1 << 7)/* Hash table match */ +#define TSI108_RX_BAD (1 << 8) /* Bad frame */ +#define TSI108_RX_OVER (1 << 9) /* FIFO overrun occured */ +#define TSI108_RX_TRUNC (1 << 11) /* Packet truncated due to excess length */ +#define TSI108_RX_CRC (1 << 12) /* Packet had a CRC error */ +#define TSI108_RX_INT (1 << 13) /* Generate an IRQ after frag. processed */ +#define TSI108_RX_OWN (1 << 15) /* Set if the device owns the descriptor */ + +#define TSI108_RX_SKB_SIZE 1536 /* The RX skb length */ + +typedef struct { + u32 buf0; /* Base address of buffer */ + u32 buf1; /* Base address of buffer */ + u32 next0; /* Address of next descriptor, if any */ + u32 next1; /* Address of next descriptor, if any */ + u16 vlan; /* VLAN of received packet, first frag only */ + u16 len; /* Length of received fragment in bytes */ + u16 blen; /* Length of buffer in bytes */ + u16 misc; /* See TSI108_RX_* above */ + u32 reserved0; /* reserved0 and reserved1 are added to make the desc */ + u32 reserved1; /* 32-byte aligned */ +} __attribute__ ((aligned(32))) rx_desc; + +#endif /* __TSI108_ETH_H */ -- cgit v1.2.3 From b690bdef7c4523bf55103b7a841c454d4674b315 Mon Sep 17 00:00:00 2001 From: Krzysztof Halasa Date: Mon, 13 Nov 2006 19:48:54 +0100 Subject: [PATCH] WAN: DSCC4 driver requires generic HDLC Another thing, reported recently to me by several people - DSCC4 WAN driver now (and perhaps for the last couple of years+) requires the generic HDLC. I've fixed the Kconfig and moved the DSCC4 option under CONFIG_HDLC so it's consistent visually. Signed-off-by: Krzysztof Halasa Signed-off-by: Jeff Garzik --- drivers/net/wan/Kconfig | 76 ++++++++++++++++++++++++------------------------- 1 file changed, 38 insertions(+), 38 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index b5d0d7fb647..d5ab9cf1325 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -57,44 +57,6 @@ config COSA The driver will be compiled as a module: the module will be called cosa. -config DSCC4 - tristate "Etinc PCISYNC serial board support" - depends on WAN && PCI && m - help - Driver for Etinc PCISYNC boards based on the Infineon (ex. Siemens) - DSCC4 chipset. - - This is supposed to work with the four port card. Take a look at - for further information about the - driver. - - To compile this driver as a module, choose M here: the - module will be called dscc4. - -config DSCC4_PCISYNC - bool "Etinc PCISYNC features" - depends on DSCC4 - help - Due to Etinc's design choice for its PCISYNC cards, some operations - are only allowed on specific ports of the DSCC4. This option is the - only way for the driver to know that it shouldn't return a success - code for these operations. - - Please say Y if your card is an Etinc's PCISYNC. - -config DSCC4_PCI_RST - bool "Hard reset support" - depends on DSCC4 - help - Various DSCC4 bugs forbid any reliable software reset of the ASIC. - As a replacement, some vendors provide a way to assert the PCI #RST - pin of DSCC4 through the GPIO port of the card. If you choose Y, - the driver will make use of this feature before module removal - (i.e. rmmod). The feature is known to be available on Commtech's - cards. Contact your manufacturer for details. - - Say Y if your card supports this feature. - # # Lan Media's board. Currently 1000, 1200, 5200, 5245 # @@ -323,6 +285,44 @@ config FARSYNC To compile this driver as a module, choose M here: the module will be called farsync. +config DSCC4 + tristate "Etinc PCISYNC serial board support" + depends on HDLC && PCI && m + help + Driver for Etinc PCISYNC boards based on the Infineon (ex. Siemens) + DSCC4 chipset. + + This is supposed to work with the four port card. Take a look at + for further information about the + driver. + + To compile this driver as a module, choose M here: the + module will be called dscc4. + +config DSCC4_PCISYNC + bool "Etinc PCISYNC features" + depends on DSCC4 + help + Due to Etinc's design choice for its PCISYNC cards, some operations + are only allowed on specific ports of the DSCC4. This option is the + only way for the driver to know that it shouldn't return a success + code for these operations. + + Please say Y if your card is an Etinc's PCISYNC. + +config DSCC4_PCI_RST + bool "Hard reset support" + depends on DSCC4 + help + Various DSCC4 bugs forbid any reliable software reset of the ASIC. + As a replacement, some vendors provide a way to assert the PCI #RST + pin of DSCC4 through the GPIO port of the card. If you choose Y, + the driver will make use of this feature before module removal + (i.e. rmmod). The feature is known to be available on Commtech's + cards. Contact your manufacturer for details. + + Say Y if your card supports this feature. + config DLCI tristate "Frame Relay DLCI support" depends on WAN -- cgit v1.2.3 From 89e5785fc8a6b9eafd37f2318a9a76d479c796be Mon Sep 17 00:00:00 2001 From: Haavard Skinnemoen Date: Thu, 9 Nov 2006 14:51:17 +0100 Subject: [PATCH] Atmel MACB ethernet driver Driver for the Atmel MACB on-chip ethernet module. Tested on AVR32/AT32AP7000/ATSTK1000. I've heard rumours that it works with AT91SAM9260 as well, and it may be possible to share some code with the at91_ether driver for AT91RM9200. Hardware documentation can be found in the AT32AP7000 data sheet, which can be downloaded from http://www.atmel.com/dyn/products/datasheets.asp?family_id=682 Changes since previous version: * Probe for PHY ID instead of depending on it being provided through platform_data. * Grab initial ethernet address from the MACB registers instead of depending on platform_data. * Set MII/RMII mode correctly. These changes are mostly about making the driver more compatible with the at91 infrastructure. Signed-off-by: Haavard Skinnemoen Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 11 + drivers/net/Makefile | 2 + drivers/net/macb.c | 1210 ++++++++++++++++++++++++++++++++++++++++++++++++++ drivers/net/macb.h | 387 ++++++++++++++++ 4 files changed, 1610 insertions(+) create mode 100644 drivers/net/macb.c create mode 100644 drivers/net/macb.h (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 05167253b25..10ac1c763f3 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -188,6 +188,17 @@ config MII or internal device. It is safe to say Y or M here even if your ethernet card lack MII. +config MACB + tristate "Atmel MACB support" + depends on NET_ETHERNET && AVR32 + select MII + help + The Atmel MACB ethernet interface is found on many AT32 and AT91 + parts. Say Y to include support for the MACB chip. + + To compile this driver as a module, choose M here: the module + will be called macb. + source "drivers/net/arm/Kconfig" config MACE diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 789306ca793..4c0d4e5ce42 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -197,6 +197,8 @@ obj-$(CONFIG_SMC911X) += smc911x.o obj-$(CONFIG_DM9000) += dm9000.o obj-$(CONFIG_FEC_8XX) += fec_8xx/ +obj-$(CONFIG_MACB) += macb.o + obj-$(CONFIG_ARM) += arm/ obj-$(CONFIG_DEV_APPLETALK) += appletalk/ obj-$(CONFIG_TR) += tokenring/ diff --git a/drivers/net/macb.c b/drivers/net/macb.c new file mode 100644 index 00000000000..bd0ce98c939 --- /dev/null +++ b/drivers/net/macb.c @@ -0,0 +1,1210 @@ +/* + * Atmel MACB Ethernet Controller driver + * + * Copyright (C) 2004-2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "macb.h" + +#define to_net_dev(class) container_of(class, struct net_device, class_dev) + +#define RX_BUFFER_SIZE 128 +#define RX_RING_SIZE 512 +#define RX_RING_BYTES (sizeof(struct dma_desc) * RX_RING_SIZE) + +/* Make the IP header word-aligned (the ethernet header is 14 bytes) */ +#define RX_OFFSET 2 + +#define TX_RING_SIZE 128 +#define DEF_TX_RING_PENDING (TX_RING_SIZE - 1) +#define TX_RING_BYTES (sizeof(struct dma_desc) * TX_RING_SIZE) + +#define TX_RING_GAP(bp) \ + (TX_RING_SIZE - (bp)->tx_pending) +#define TX_BUFFS_AVAIL(bp) \ + (((bp)->tx_tail <= (bp)->tx_head) ? \ + (bp)->tx_tail + (bp)->tx_pending - (bp)->tx_head : \ + (bp)->tx_tail - (bp)->tx_head - TX_RING_GAP(bp)) +#define NEXT_TX(n) (((n) + 1) & (TX_RING_SIZE - 1)) + +#define NEXT_RX(n) (((n) + 1) & (RX_RING_SIZE - 1)) + +/* minimum number of free TX descriptors before waking up TX process */ +#define MACB_TX_WAKEUP_THRESH (TX_RING_SIZE / 4) + +#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \ + | MACB_BIT(ISR_ROVR)) + +static void __macb_set_hwaddr(struct macb *bp) +{ + u32 bottom; + u16 top; + + bottom = cpu_to_le32(*((u32 *)bp->dev->dev_addr)); + macb_writel(bp, SA1B, bottom); + top = cpu_to_le16(*((u16 *)(bp->dev->dev_addr + 4))); + macb_writel(bp, SA1T, top); +} + +static void __init macb_get_hwaddr(struct macb *bp) +{ + u32 bottom; + u16 top; + u8 addr[6]; + + bottom = macb_readl(bp, SA1B); + top = macb_readl(bp, SA1T); + + addr[0] = bottom & 0xff; + addr[1] = (bottom >> 8) & 0xff; + addr[2] = (bottom >> 16) & 0xff; + addr[3] = (bottom >> 24) & 0xff; + addr[4] = top & 0xff; + addr[5] = (top >> 8) & 0xff; + + if (is_valid_ether_addr(addr)) + memcpy(bp->dev->dev_addr, addr, sizeof(addr)); +} + +static void macb_enable_mdio(struct macb *bp) +{ + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&bp->lock, flags); + reg = macb_readl(bp, NCR); + reg |= MACB_BIT(MPE); + macb_writel(bp, NCR, reg); + macb_writel(bp, IER, MACB_BIT(MFD)); + spin_unlock_irqrestore(&bp->lock, flags); +} + +static void macb_disable_mdio(struct macb *bp) +{ + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&bp->lock, flags); + reg = macb_readl(bp, NCR); + reg &= ~MACB_BIT(MPE); + macb_writel(bp, NCR, reg); + macb_writel(bp, IDR, MACB_BIT(MFD)); + spin_unlock_irqrestore(&bp->lock, flags); +} + +static int macb_mdio_read(struct net_device *dev, int phy_id, int location) +{ + struct macb *bp = netdev_priv(dev); + int value; + + mutex_lock(&bp->mdio_mutex); + + macb_enable_mdio(bp); + macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) + | MACB_BF(RW, MACB_MAN_READ) + | MACB_BF(PHYA, phy_id) + | MACB_BF(REGA, location) + | MACB_BF(CODE, MACB_MAN_CODE))); + + wait_for_completion(&bp->mdio_complete); + + value = MACB_BFEXT(DATA, macb_readl(bp, MAN)); + macb_disable_mdio(bp); + mutex_unlock(&bp->mdio_mutex); + + return value; +} + +static void macb_mdio_write(struct net_device *dev, int phy_id, + int location, int val) +{ + struct macb *bp = netdev_priv(dev); + + dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n", + phy_id, location, val); + + mutex_lock(&bp->mdio_mutex); + macb_enable_mdio(bp); + + macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF) + | MACB_BF(RW, MACB_MAN_WRITE) + | MACB_BF(PHYA, phy_id) + | MACB_BF(REGA, location) + | MACB_BF(CODE, MACB_MAN_CODE) + | MACB_BF(DATA, val))); + + wait_for_completion(&bp->mdio_complete); + + macb_disable_mdio(bp); + mutex_unlock(&bp->mdio_mutex); +} + +static int macb_phy_probe(struct macb *bp) +{ + int phy_address; + u16 phyid1, phyid2; + + for (phy_address = 0; phy_address < 32; phy_address++) { + phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1); + phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2); + + if (phyid1 != 0xffff && phyid1 != 0x0000 + && phyid2 != 0xffff && phyid2 != 0x0000) + break; + } + + if (phy_address == 32) + return -ENODEV; + + dev_info(&bp->pdev->dev, + "detected PHY at address %d (ID %04x:%04x)\n", + phy_address, phyid1, phyid2); + + bp->mii.phy_id = phy_address; + return 0; +} + +static void macb_set_media(struct macb *bp, int media) +{ + u32 reg; + + spin_lock_irq(&bp->lock); + reg = macb_readl(bp, NCFGR); + reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); + if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL)) + reg |= MACB_BIT(SPD); + if (media & ADVERTISE_FULL) + reg |= MACB_BIT(FD); + macb_writel(bp, NCFGR, reg); + spin_unlock_irq(&bp->lock); +} + +static void macb_check_media(struct macb *bp, int ok_to_print, int init_media) +{ + struct mii_if_info *mii = &bp->mii; + unsigned int old_carrier, new_carrier; + int advertise, lpa, media, duplex; + + /* if forced media, go no further */ + if (mii->force_media) + return; + + /* check current and old link status */ + old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0; + new_carrier = (unsigned int) mii_link_ok(mii); + + /* if carrier state did not change, assume nothing else did */ + if (!init_media && old_carrier == new_carrier) + return; + + /* no carrier, nothing much to do */ + if (!new_carrier) { + netif_carrier_off(mii->dev); + printk(KERN_INFO "%s: link down\n", mii->dev->name); + return; + } + + /* + * we have carrier, see who's on the other end + */ + netif_carrier_on(mii->dev); + + /* get MII advertise and LPA values */ + if (!init_media && mii->advertising) { + advertise = mii->advertising; + } else { + advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE); + mii->advertising = advertise; + } + lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA); + + /* figure out media and duplex from advertise and LPA values */ + media = mii_nway_result(lpa & advertise); + duplex = (media & ADVERTISE_FULL) ? 1 : 0; + + if (ok_to_print) + printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n", + mii->dev->name, + media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10", + duplex ? "full" : "half", lpa); + + mii->full_duplex = duplex; + + /* Let the MAC know about the new link state */ + macb_set_media(bp, media); +} + +static void macb_update_stats(struct macb *bp) +{ + u32 __iomem *reg = bp->regs + MACB_PFR; + u32 *p = &bp->hw_stats.rx_pause_frames; + u32 *end = &bp->hw_stats.tx_pause_frames + 1; + + WARN_ON((unsigned long)(end - p - 1) != (MACB_TPF - MACB_PFR) / 4); + + for(; p < end; p++, reg++) + *p += readl(reg); +} + +static void macb_periodic_task(void *arg) +{ + struct macb *bp = arg; + + macb_update_stats(bp); + macb_check_media(bp, 1, 0); + + schedule_delayed_work(&bp->periodic_task, HZ); +} + +static void macb_tx(struct macb *bp) +{ + unsigned int tail; + unsigned int head; + u32 status; + + status = macb_readl(bp, TSR); + macb_writel(bp, TSR, status); + + dev_dbg(&bp->pdev->dev, "macb_tx status = %02lx\n", + (unsigned long)status); + + if (status & MACB_BIT(UND)) { + printk(KERN_ERR "%s: TX underrun, resetting buffers\n", + bp->dev->name); + bp->tx_head = bp->tx_tail = 0; + } + + if (!(status & MACB_BIT(COMP))) + /* + * This may happen when a buffer becomes complete + * between reading the ISR and scanning the + * descriptors. Nothing to worry about. + */ + return; + + head = bp->tx_head; + for (tail = bp->tx_tail; tail != head; tail = NEXT_TX(tail)) { + struct ring_info *rp = &bp->tx_skb[tail]; + struct sk_buff *skb = rp->skb; + u32 bufstat; + + BUG_ON(skb == NULL); + + rmb(); + bufstat = bp->tx_ring[tail].ctrl; + + if (!(bufstat & MACB_BIT(TX_USED))) + break; + + dev_dbg(&bp->pdev->dev, "skb %u (data %p) TX complete\n", + tail, skb->data); + dma_unmap_single(&bp->pdev->dev, rp->mapping, skb->len, + DMA_TO_DEVICE); + bp->stats.tx_packets++; + bp->stats.tx_bytes += skb->len; + rp->skb = NULL; + dev_kfree_skb_irq(skb); + } + + bp->tx_tail = tail; + if (netif_queue_stopped(bp->dev) && + TX_BUFFS_AVAIL(bp) > MACB_TX_WAKEUP_THRESH) + netif_wake_queue(bp->dev); +} + +static int macb_rx_frame(struct macb *bp, unsigned int first_frag, + unsigned int last_frag) +{ + unsigned int len; + unsigned int frag; + unsigned int offset = 0; + struct sk_buff *skb; + + len = MACB_BFEXT(RX_FRMLEN, bp->rx_ring[last_frag].ctrl); + + dev_dbg(&bp->pdev->dev, "macb_rx_frame frags %u - %u (len %u)\n", + first_frag, last_frag, len); + + skb = dev_alloc_skb(len + RX_OFFSET); + if (!skb) { + bp->stats.rx_dropped++; + for (frag = first_frag; ; frag = NEXT_RX(frag)) { + bp->rx_ring[frag].addr &= ~MACB_BIT(RX_USED); + if (frag == last_frag) + break; + } + wmb(); + return 1; + } + + skb_reserve(skb, RX_OFFSET); + skb->dev = bp->dev; + skb->ip_summed = CHECKSUM_NONE; + skb_put(skb, len); + + for (frag = first_frag; ; frag = NEXT_RX(frag)) { + unsigned int frag_len = RX_BUFFER_SIZE; + + if (offset + frag_len > len) { + BUG_ON(frag != last_frag); + frag_len = len - offset; + } + memcpy(skb->data + offset, + bp->rx_buffers + (RX_BUFFER_SIZE * frag), + frag_len); + offset += RX_BUFFER_SIZE; + bp->rx_ring[frag].addr &= ~MACB_BIT(RX_USED); + wmb(); + + if (frag == last_frag) + break; + } + + skb->protocol = eth_type_trans(skb, bp->dev); + + bp->stats.rx_packets++; + bp->stats.rx_bytes += len; + bp->dev->last_rx = jiffies; + dev_dbg(&bp->pdev->dev, "received skb of length %u, csum: %08x\n", + skb->len, skb->csum); + netif_receive_skb(skb); + + return 0; +} + +/* Mark DMA descriptors from begin up to and not including end as unused */ +static void discard_partial_frame(struct macb *bp, unsigned int begin, + unsigned int end) +{ + unsigned int frag; + + for (frag = begin; frag != end; frag = NEXT_RX(frag)) + bp->rx_ring[frag].addr &= ~MACB_BIT(RX_USED); + wmb(); + + /* + * When this happens, the hardware stats registers for + * whatever caused this is updated, so we don't have to record + * anything. + */ +} + +static int macb_rx(struct macb *bp, int budget) +{ + int received = 0; + unsigned int tail = bp->rx_tail; + int first_frag = -1; + + for (; budget > 0; tail = NEXT_RX(tail)) { + u32 addr, ctrl; + + rmb(); + addr = bp->rx_ring[tail].addr; + ctrl = bp->rx_ring[tail].ctrl; + + if (!(addr & MACB_BIT(RX_USED))) + break; + + if (ctrl & MACB_BIT(RX_SOF)) { + if (first_frag != -1) + discard_partial_frame(bp, first_frag, tail); + first_frag = tail; + } + + if (ctrl & MACB_BIT(RX_EOF)) { + int dropped; + BUG_ON(first_frag == -1); + + dropped = macb_rx_frame(bp, first_frag, tail); + first_frag = -1; + if (!dropped) { + received++; + budget--; + } + } + } + + if (first_frag != -1) + bp->rx_tail = first_frag; + else + bp->rx_tail = tail; + + return received; +} + +static int macb_poll(struct net_device *dev, int *budget) +{ + struct macb *bp = netdev_priv(dev); + int orig_budget, work_done, retval = 0; + u32 status; + + status = macb_readl(bp, RSR); + macb_writel(bp, RSR, status); + + if (!status) { + /* + * This may happen if an interrupt was pending before + * this function was called last time, and no packets + * have been received since. + */ + netif_rx_complete(dev); + goto out; + } + + dev_dbg(&bp->pdev->dev, "poll: status = %08lx, budget = %d\n", + (unsigned long)status, *budget); + + if (!(status & MACB_BIT(REC))) { + dev_warn(&bp->pdev->dev, + "No RX buffers complete, status = %02lx\n", + (unsigned long)status); + netif_rx_complete(dev); + goto out; + } + + orig_budget = *budget; + if (orig_budget > dev->quota) + orig_budget = dev->quota; + + work_done = macb_rx(bp, orig_budget); + if (work_done < orig_budget) { + netif_rx_complete(dev); + retval = 0; + } else { + retval = 1; + } + + /* + * We've done what we can to clean the buffers. Make sure we + * get notified when new packets arrive. + */ +out: + macb_writel(bp, IER, MACB_RX_INT_FLAGS); + + /* TODO: Handle errors */ + + return retval; +} + +static irqreturn_t macb_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct macb *bp = netdev_priv(dev); + u32 status; + + status = macb_readl(bp, ISR); + + if (unlikely(!status)) + return IRQ_NONE; + + spin_lock(&bp->lock); + + while (status) { + if (status & MACB_BIT(MFD)) + complete(&bp->mdio_complete); + + /* close possible race with dev_close */ + if (unlikely(!netif_running(dev))) { + macb_writel(bp, IDR, ~0UL); + break; + } + + if (status & MACB_RX_INT_FLAGS) { + if (netif_rx_schedule_prep(dev)) { + /* + * There's no point taking any more interrupts + * until we have processed the buffers + */ + macb_writel(bp, IDR, MACB_RX_INT_FLAGS); + dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n"); + __netif_rx_schedule(dev); + } + } + + if (status & (MACB_BIT(TCOMP) | MACB_BIT(ISR_TUND))) + macb_tx(bp); + + /* + * Link change detection isn't possible with RMII, so we'll + * add that if/when we get our hands on a full-blown MII PHY. + */ + + if (status & MACB_BIT(HRESP)) { + /* + * TODO: Reset the hardware, and maybe move the printk + * to a lower-priority context as well (work queue?) + */ + printk(KERN_ERR "%s: DMA bus error: HRESP not OK\n", + dev->name); + } + + status = macb_readl(bp, ISR); + } + + spin_unlock(&bp->lock); + + return IRQ_HANDLED; +} + +static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + dma_addr_t mapping; + unsigned int len, entry; + u32 ctrl; + +#ifdef DEBUG + int i; + dev_dbg(&bp->pdev->dev, + "start_xmit: len %u head %p data %p tail %p end %p\n", + skb->len, skb->head, skb->data, skb->tail, skb->end); + dev_dbg(&bp->pdev->dev, + "data:"); + for (i = 0; i < 16; i++) + printk(" %02x", (unsigned int)skb->data[i]); + printk("\n"); +#endif + + len = skb->len; + spin_lock_irq(&bp->lock); + + /* This is a hard error, log it. */ + if (TX_BUFFS_AVAIL(bp) < 1) { + netif_stop_queue(dev); + spin_unlock_irq(&bp->lock); + dev_err(&bp->pdev->dev, + "BUG! Tx Ring full when queue awake!\n"); + dev_dbg(&bp->pdev->dev, "tx_head = %u, tx_tail = %u\n", + bp->tx_head, bp->tx_tail); + return 1; + } + + entry = bp->tx_head; + dev_dbg(&bp->pdev->dev, "Allocated ring entry %u\n", entry); + mapping = dma_map_single(&bp->pdev->dev, skb->data, + len, DMA_TO_DEVICE); + bp->tx_skb[entry].skb = skb; + bp->tx_skb[entry].mapping = mapping; + dev_dbg(&bp->pdev->dev, "Mapped skb data %p to DMA addr %08lx\n", + skb->data, (unsigned long)mapping); + + ctrl = MACB_BF(TX_FRMLEN, len); + ctrl |= MACB_BIT(TX_LAST); + if (entry == (TX_RING_SIZE - 1)) + ctrl |= MACB_BIT(TX_WRAP); + + bp->tx_ring[entry].addr = mapping; + bp->tx_ring[entry].ctrl = ctrl; + wmb(); + + entry = NEXT_TX(entry); + bp->tx_head = entry; + + macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART)); + + if (TX_BUFFS_AVAIL(bp) < 1) + netif_stop_queue(dev); + + spin_unlock_irq(&bp->lock); + + dev->trans_start = jiffies; + + return 0; +} + +static void macb_free_consistent(struct macb *bp) +{ + if (bp->tx_skb) { + kfree(bp->tx_skb); + bp->tx_skb = NULL; + } + if (bp->rx_ring) { + dma_free_coherent(&bp->pdev->dev, RX_RING_BYTES, + bp->rx_ring, bp->rx_ring_dma); + bp->rx_ring = NULL; + } + if (bp->tx_ring) { + dma_free_coherent(&bp->pdev->dev, TX_RING_BYTES, + bp->tx_ring, bp->tx_ring_dma); + bp->tx_ring = NULL; + } + if (bp->rx_buffers) { + dma_free_coherent(&bp->pdev->dev, + RX_RING_SIZE * RX_BUFFER_SIZE, + bp->rx_buffers, bp->rx_buffers_dma); + bp->rx_buffers = NULL; + } +} + +static int macb_alloc_consistent(struct macb *bp) +{ + int size; + + size = TX_RING_SIZE * sizeof(struct ring_info); + bp->tx_skb = kmalloc(size, GFP_KERNEL); + if (!bp->tx_skb) + goto out_err; + + size = RX_RING_BYTES; + bp->rx_ring = dma_alloc_coherent(&bp->pdev->dev, size, + &bp->rx_ring_dma, GFP_KERNEL); + if (!bp->rx_ring) + goto out_err; + dev_dbg(&bp->pdev->dev, + "Allocated RX ring of %d bytes at %08lx (mapped %p)\n", + size, (unsigned long)bp->rx_ring_dma, bp->rx_ring); + + size = TX_RING_BYTES; + bp->tx_ring = dma_alloc_coherent(&bp->pdev->dev, size, + &bp->tx_ring_dma, GFP_KERNEL); + if (!bp->tx_ring) + goto out_err; + dev_dbg(&bp->pdev->dev, + "Allocated TX ring of %d bytes at %08lx (mapped %p)\n", + size, (unsigned long)bp->tx_ring_dma, bp->tx_ring); + + size = RX_RING_SIZE * RX_BUFFER_SIZE; + bp->rx_buffers = dma_alloc_coherent(&bp->pdev->dev, size, + &bp->rx_buffers_dma, GFP_KERNEL); + if (!bp->rx_buffers) + goto out_err; + dev_dbg(&bp->pdev->dev, + "Allocated RX buffers of %d bytes at %08lx (mapped %p)\n", + size, (unsigned long)bp->rx_buffers_dma, bp->rx_buffers); + + return 0; + +out_err: + macb_free_consistent(bp); + return -ENOMEM; +} + +static void macb_init_rings(struct macb *bp) +{ + int i; + dma_addr_t addr; + + addr = bp->rx_buffers_dma; + for (i = 0; i < RX_RING_SIZE; i++) { + bp->rx_ring[i].addr = addr; + bp->rx_ring[i].ctrl = 0; + addr += RX_BUFFER_SIZE; + } + bp->rx_ring[RX_RING_SIZE - 1].addr |= MACB_BIT(RX_WRAP); + + for (i = 0; i < TX_RING_SIZE; i++) { + bp->tx_ring[i].addr = 0; + bp->tx_ring[i].ctrl = MACB_BIT(TX_USED); + } + bp->tx_ring[TX_RING_SIZE - 1].ctrl |= MACB_BIT(TX_WRAP); + + bp->rx_tail = bp->tx_head = bp->tx_tail = 0; +} + +static void macb_reset_hw(struct macb *bp) +{ + /* Make sure we have the write buffer for ourselves */ + wmb(); + + /* + * Disable RX and TX (XXX: Should we halt the transmission + * more gracefully?) + */ + macb_writel(bp, NCR, 0); + + /* Clear the stats registers (XXX: Update stats first?) */ + macb_writel(bp, NCR, MACB_BIT(CLRSTAT)); + + /* Clear all status flags */ + macb_writel(bp, TSR, ~0UL); + macb_writel(bp, RSR, ~0UL); + + /* Disable all interrupts */ + macb_writel(bp, IDR, ~0UL); + macb_readl(bp, ISR); +} + +static void macb_init_hw(struct macb *bp) +{ + u32 config; + + macb_reset_hw(bp); + __macb_set_hwaddr(bp); + + config = macb_readl(bp, NCFGR) & MACB_BF(CLK, -1L); + config |= MACB_BIT(PAE); /* PAuse Enable */ + config |= MACB_BIT(DRFCS); /* Discard Rx FCS */ + if (bp->dev->flags & IFF_PROMISC) + config |= MACB_BIT(CAF); /* Copy All Frames */ + if (!(bp->dev->flags & IFF_BROADCAST)) + config |= MACB_BIT(NBC); /* No BroadCast */ + macb_writel(bp, NCFGR, config); + + /* Initialize TX and RX buffers */ + macb_writel(bp, RBQP, bp->rx_ring_dma); + macb_writel(bp, TBQP, bp->tx_ring_dma); + + /* Enable TX and RX */ + macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE)); + + /* Enable interrupts */ + macb_writel(bp, IER, (MACB_BIT(RCOMP) + | MACB_BIT(RXUBR) + | MACB_BIT(ISR_TUND) + | MACB_BIT(ISR_RLE) + | MACB_BIT(TXERR) + | MACB_BIT(TCOMP) + | MACB_BIT(ISR_ROVR) + | MACB_BIT(HRESP))); +} + +static void macb_init_phy(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + + /* Set some reasonable default settings */ + macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE, + ADVERTISE_CSMA | ADVERTISE_ALL); + macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR, + (BMCR_SPEED100 | BMCR_ANENABLE + | BMCR_ANRESTART | BMCR_FULLDPLX)); +} + +static int macb_open(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + int err; + + dev_dbg(&bp->pdev->dev, "open\n"); + + if (!is_valid_ether_addr(dev->dev_addr)) + return -EADDRNOTAVAIL; + + err = macb_alloc_consistent(bp); + if (err) { + printk(KERN_ERR + "%s: Unable to allocate DMA memory (error %d)\n", + dev->name, err); + return err; + } + + macb_init_rings(bp); + macb_init_hw(bp); + macb_init_phy(dev); + + macb_check_media(bp, 1, 1); + netif_start_queue(dev); + + schedule_delayed_work(&bp->periodic_task, HZ); + + return 0; +} + +static int macb_close(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + unsigned long flags; + + cancel_rearming_delayed_work(&bp->periodic_task); + + netif_stop_queue(dev); + + spin_lock_irqsave(&bp->lock, flags); + macb_reset_hw(bp); + netif_carrier_off(dev); + spin_unlock_irqrestore(&bp->lock, flags); + + macb_free_consistent(bp); + + return 0; +} + +static struct net_device_stats *macb_get_stats(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + struct net_device_stats *nstat = &bp->stats; + struct macb_stats *hwstat = &bp->hw_stats; + + /* Convert HW stats into netdevice stats */ + nstat->rx_errors = (hwstat->rx_fcs_errors + + hwstat->rx_align_errors + + hwstat->rx_resource_errors + + hwstat->rx_overruns + + hwstat->rx_oversize_pkts + + hwstat->rx_jabbers + + hwstat->rx_undersize_pkts + + hwstat->sqe_test_errors + + hwstat->rx_length_mismatch); + nstat->tx_errors = (hwstat->tx_late_cols + + hwstat->tx_excessive_cols + + hwstat->tx_underruns + + hwstat->tx_carrier_errors); + nstat->collisions = (hwstat->tx_single_cols + + hwstat->tx_multiple_cols + + hwstat->tx_excessive_cols); + nstat->rx_length_errors = (hwstat->rx_oversize_pkts + + hwstat->rx_jabbers + + hwstat->rx_undersize_pkts + + hwstat->rx_length_mismatch); + nstat->rx_over_errors = hwstat->rx_resource_errors; + nstat->rx_crc_errors = hwstat->rx_fcs_errors; + nstat->rx_frame_errors = hwstat->rx_align_errors; + nstat->rx_fifo_errors = hwstat->rx_overruns; + /* XXX: What does "missed" mean? */ + nstat->tx_aborted_errors = hwstat->tx_excessive_cols; + nstat->tx_carrier_errors = hwstat->tx_carrier_errors; + nstat->tx_fifo_errors = hwstat->tx_underruns; + /* Don't know about heartbeat or window errors... */ + + return nstat; +} + +static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct macb *bp = netdev_priv(dev); + int ret; + unsigned long flags; + + spin_lock_irqsave(&bp->lock, flags); + ret = mii_ethtool_gset(&bp->mii, cmd); + spin_unlock_irqrestore(&bp->lock, flags); + + return ret; +} + +static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct macb *bp = netdev_priv(dev); + int ret; + unsigned long flags; + + spin_lock_irqsave(&bp->lock, flags); + ret = mii_ethtool_sset(&bp->mii, cmd); + spin_unlock_irqrestore(&bp->lock, flags); + + return ret; +} + +static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + struct macb *bp = netdev_priv(dev); + + strcpy(info->driver, bp->pdev->dev.driver->name); + strcpy(info->version, "$Revision: 1.14 $"); + strcpy(info->bus_info, bp->pdev->dev.bus_id); +} + +static int macb_nway_reset(struct net_device *dev) +{ + struct macb *bp = netdev_priv(dev); + return mii_nway_restart(&bp->mii); +} + +static struct ethtool_ops macb_ethtool_ops = { + .get_settings = macb_get_settings, + .set_settings = macb_set_settings, + .get_drvinfo = macb_get_drvinfo, + .nway_reset = macb_nway_reset, + .get_link = ethtool_op_get_link, +}; + +static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct macb *bp = netdev_priv(dev); + int ret; + unsigned long flags; + + if (!netif_running(dev)) + return -EINVAL; + + spin_lock_irqsave(&bp->lock, flags); + ret = generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL); + spin_unlock_irqrestore(&bp->lock, flags); + + return ret; +} + +static ssize_t macb_mii_show(const struct class_device *cd, char *buf, + unsigned long addr) +{ + struct net_device *dev = to_net_dev(cd); + struct macb *bp = netdev_priv(dev); + ssize_t ret = -EINVAL; + + if (netif_running(dev)) { + int value; + value = macb_mdio_read(dev, bp->mii.phy_id, addr); + ret = sprintf(buf, "0x%04x\n", (uint16_t)value); + } + + return ret; +} + +#define MII_ENTRY(name, addr) \ +static ssize_t show_##name(struct class_device *cd, char *buf) \ +{ \ + return macb_mii_show(cd, buf, addr); \ +} \ +static CLASS_DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) + +MII_ENTRY(bmcr, MII_BMCR); +MII_ENTRY(bmsr, MII_BMSR); +MII_ENTRY(physid1, MII_PHYSID1); +MII_ENTRY(physid2, MII_PHYSID2); +MII_ENTRY(advertise, MII_ADVERTISE); +MII_ENTRY(lpa, MII_LPA); +MII_ENTRY(expansion, MII_EXPANSION); + +static struct attribute *macb_mii_attrs[] = { + &class_device_attr_bmcr.attr, + &class_device_attr_bmsr.attr, + &class_device_attr_physid1.attr, + &class_device_attr_physid2.attr, + &class_device_attr_advertise.attr, + &class_device_attr_lpa.attr, + &class_device_attr_expansion.attr, + NULL, +}; + +static struct attribute_group macb_mii_group = { + .name = "mii", + .attrs = macb_mii_attrs, +}; + +static void macb_unregister_sysfs(struct net_device *net) +{ + struct class_device *class_dev = &net->class_dev; + + sysfs_remove_group(&class_dev->kobj, &macb_mii_group); +} + +static int macb_register_sysfs(struct net_device *net) +{ + struct class_device *class_dev = &net->class_dev; + int ret; + + ret = sysfs_create_group(&class_dev->kobj, &macb_mii_group); + if (ret) + printk(KERN_WARNING + "%s: sysfs mii attribute registration failed: %d\n", + net->name, ret); + return ret; +} +static int __devinit macb_probe(struct platform_device *pdev) +{ + struct eth_platform_data *pdata; + struct resource *regs; + struct net_device *dev; + struct macb *bp; + unsigned long pclk_hz; + u32 config; + int err = -ENXIO; + + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!regs) { + dev_err(&pdev->dev, "no mmio resource defined\n"); + goto err_out; + } + + err = -ENOMEM; + dev = alloc_etherdev(sizeof(*bp)); + if (!dev) { + dev_err(&pdev->dev, "etherdev alloc failed, aborting.\n"); + goto err_out; + } + + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &pdev->dev); + + /* TODO: Actually, we have some interesting features... */ + dev->features |= 0; + + bp = netdev_priv(dev); + bp->pdev = pdev; + bp->dev = dev; + + spin_lock_init(&bp->lock); + + bp->pclk = clk_get(&pdev->dev, "pclk"); + if (IS_ERR(bp->pclk)) { + dev_err(&pdev->dev, "failed to get pclk\n"); + goto err_out_free_dev; + } + bp->hclk = clk_get(&pdev->dev, "hclk"); + if (IS_ERR(bp->hclk)) { + dev_err(&pdev->dev, "failed to get hclk\n"); + goto err_out_put_pclk; + } + + clk_enable(bp->pclk); + clk_enable(bp->hclk); + + bp->regs = ioremap(regs->start, regs->end - regs->start + 1); + if (!bp->regs) { + dev_err(&pdev->dev, "failed to map registers, aborting.\n"); + err = -ENOMEM; + goto err_out_disable_clocks; + } + + dev->irq = platform_get_irq(pdev, 0); + err = request_irq(dev->irq, macb_interrupt, SA_SAMPLE_RANDOM, + dev->name, dev); + if (err) { + printk(KERN_ERR + "%s: Unable to request IRQ %d (error %d)\n", + dev->name, dev->irq, err); + goto err_out_iounmap; + } + + dev->open = macb_open; + dev->stop = macb_close; + dev->hard_start_xmit = macb_start_xmit; + dev->get_stats = macb_get_stats; + dev->do_ioctl = macb_ioctl; + dev->poll = macb_poll; + dev->weight = 64; + dev->ethtool_ops = &macb_ethtool_ops; + + dev->base_addr = regs->start; + + INIT_WORK(&bp->periodic_task, macb_periodic_task, bp); + mutex_init(&bp->mdio_mutex); + init_completion(&bp->mdio_complete); + + /* Set MII management clock divider */ + pclk_hz = clk_get_rate(bp->pclk); + if (pclk_hz <= 20000000) + config = MACB_BF(CLK, MACB_CLK_DIV8); + else if (pclk_hz <= 40000000) + config = MACB_BF(CLK, MACB_CLK_DIV16); + else if (pclk_hz <= 80000000) + config = MACB_BF(CLK, MACB_CLK_DIV32); + else + config = MACB_BF(CLK, MACB_CLK_DIV64); + macb_writel(bp, NCFGR, config); + + bp->mii.dev = dev; + bp->mii.mdio_read = macb_mdio_read; + bp->mii.mdio_write = macb_mdio_write; + bp->mii.phy_id_mask = 0x1f; + bp->mii.reg_num_mask = 0x1f; + + macb_get_hwaddr(bp); + err = macb_phy_probe(bp); + if (err) { + dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n"); + goto err_out_free_irq; + } + + pdata = pdev->dev.platform_data; + if (pdata && pdata->is_rmii) + macb_writel(bp, USRIO, 0); + else + macb_writel(bp, USRIO, MACB_BIT(MII)); + + bp->tx_pending = DEF_TX_RING_PENDING; + + err = register_netdev(dev); + if (err) { + dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); + goto err_out_free_irq; + } + + platform_set_drvdata(pdev, dev); + + macb_register_sysfs(dev); + + printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d " + "(%02x:%02x:%02x:%02x:%02x:%02x)\n", + dev->name, dev->base_addr, dev->irq, + dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], + dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); + + return 0; + +err_out_free_irq: + free_irq(dev->irq, dev); +err_out_iounmap: + iounmap(bp->regs); +err_out_disable_clocks: + clk_disable(bp->hclk); + clk_disable(bp->pclk); + clk_put(bp->hclk); +err_out_put_pclk: + clk_put(bp->pclk); +err_out_free_dev: + free_netdev(dev); +err_out: + platform_set_drvdata(pdev, NULL); + return err; +} + +static int __devexit macb_remove(struct platform_device *pdev) +{ + struct net_device *dev; + struct macb *bp; + + dev = platform_get_drvdata(pdev); + + if (dev) { + bp = netdev_priv(dev); + macb_unregister_sysfs(dev); + unregister_netdev(dev); + free_irq(dev->irq, dev); + iounmap(bp->regs); + clk_disable(bp->hclk); + clk_disable(bp->pclk); + clk_put(bp->hclk); + clk_put(bp->pclk); + free_netdev(dev); + platform_set_drvdata(pdev, NULL); + } + + return 0; +} + +static struct platform_driver macb_driver = { + .probe = macb_probe, + .remove = __devexit_p(macb_remove), + .driver = { + .name = "macb", + }, +}; + +static int __init macb_init(void) +{ + return platform_driver_register(&macb_driver); +} + +static void __exit macb_exit(void) +{ + platform_driver_unregister(&macb_driver); +} + +module_init(macb_init); +module_exit(macb_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Atmel MACB Ethernet driver"); +MODULE_AUTHOR("Haavard Skinnemoen "); diff --git a/drivers/net/macb.h b/drivers/net/macb.h new file mode 100644 index 00000000000..8c253db6988 --- /dev/null +++ b/drivers/net/macb.h @@ -0,0 +1,387 @@ +/* + * Atmel MACB Ethernet Controller driver + * + * Copyright (C) 2004-2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _MACB_H +#define _MACB_H + +/* MACB register offsets */ +#define MACB_NCR 0x0000 +#define MACB_NCFGR 0x0004 +#define MACB_NSR 0x0008 +#define MACB_TSR 0x0014 +#define MACB_RBQP 0x0018 +#define MACB_TBQP 0x001c +#define MACB_RSR 0x0020 +#define MACB_ISR 0x0024 +#define MACB_IER 0x0028 +#define MACB_IDR 0x002c +#define MACB_IMR 0x0030 +#define MACB_MAN 0x0034 +#define MACB_PTR 0x0038 +#define MACB_PFR 0x003c +#define MACB_FTO 0x0040 +#define MACB_SCF 0x0044 +#define MACB_MCF 0x0048 +#define MACB_FRO 0x004c +#define MACB_FCSE 0x0050 +#define MACB_ALE 0x0054 +#define MACB_DTF 0x0058 +#define MACB_LCOL 0x005c +#define MACB_EXCOL 0x0060 +#define MACB_TUND 0x0064 +#define MACB_CSE 0x0068 +#define MACB_RRE 0x006c +#define MACB_ROVR 0x0070 +#define MACB_RSE 0x0074 +#define MACB_ELE 0x0078 +#define MACB_RJA 0x007c +#define MACB_USF 0x0080 +#define MACB_STE 0x0084 +#define MACB_RLE 0x0088 +#define MACB_TPF 0x008c +#define MACB_HRB 0x0090 +#define MACB_HRT 0x0094 +#define MACB_SA1B 0x0098 +#define MACB_SA1T 0x009c +#define MACB_SA2B 0x00a0 +#define MACB_SA2T 0x00a4 +#define MACB_SA3B 0x00a8 +#define MACB_SA3T 0x00ac +#define MACB_SA4B 0x00b0 +#define MACB_SA4T 0x00b4 +#define MACB_TID 0x00b8 +#define MACB_TPQ 0x00bc +#define MACB_USRIO 0x00c0 +#define MACB_WOL 0x00c4 + +/* Bitfields in NCR */ +#define MACB_LB_OFFSET 0 +#define MACB_LB_SIZE 1 +#define MACB_LLB_OFFSET 1 +#define MACB_LLB_SIZE 1 +#define MACB_RE_OFFSET 2 +#define MACB_RE_SIZE 1 +#define MACB_TE_OFFSET 3 +#define MACB_TE_SIZE 1 +#define MACB_MPE_OFFSET 4 +#define MACB_MPE_SIZE 1 +#define MACB_CLRSTAT_OFFSET 5 +#define MACB_CLRSTAT_SIZE 1 +#define MACB_INCSTAT_OFFSET 6 +#define MACB_INCSTAT_SIZE 1 +#define MACB_WESTAT_OFFSET 7 +#define MACB_WESTAT_SIZE 1 +#define MACB_BP_OFFSET 8 +#define MACB_BP_SIZE 1 +#define MACB_TSTART_OFFSET 9 +#define MACB_TSTART_SIZE 1 +#define MACB_THALT_OFFSET 10 +#define MACB_THALT_SIZE 1 +#define MACB_NCR_TPF_OFFSET 11 +#define MACB_NCR_TPF_SIZE 1 +#define MACB_TZQ_OFFSET 12 +#define MACB_TZQ_SIZE 1 + +/* Bitfields in NCFGR */ +#define MACB_SPD_OFFSET 0 +#define MACB_SPD_SIZE 1 +#define MACB_FD_OFFSET 1 +#define MACB_FD_SIZE 1 +#define MACB_BIT_RATE_OFFSET 2 +#define MACB_BIT_RATE_SIZE 1 +#define MACB_JFRAME_OFFSET 3 +#define MACB_JFRAME_SIZE 1 +#define MACB_CAF_OFFSET 4 +#define MACB_CAF_SIZE 1 +#define MACB_NBC_OFFSET 5 +#define MACB_NBC_SIZE 1 +#define MACB_NCFGR_MTI_OFFSET 6 +#define MACB_NCFGR_MTI_SIZE 1 +#define MACB_UNI_OFFSET 7 +#define MACB_UNI_SIZE 1 +#define MACB_BIG_OFFSET 8 +#define MACB_BIG_SIZE 1 +#define MACB_EAE_OFFSET 9 +#define MACB_EAE_SIZE 1 +#define MACB_CLK_OFFSET 10 +#define MACB_CLK_SIZE 2 +#define MACB_RTY_OFFSET 12 +#define MACB_RTY_SIZE 1 +#define MACB_PAE_OFFSET 13 +#define MACB_PAE_SIZE 1 +#define MACB_RBOF_OFFSET 14 +#define MACB_RBOF_SIZE 2 +#define MACB_RLCE_OFFSET 16 +#define MACB_RLCE_SIZE 1 +#define MACB_DRFCS_OFFSET 17 +#define MACB_DRFCS_SIZE 1 +#define MACB_EFRHD_OFFSET 18 +#define MACB_EFRHD_SIZE 1 +#define MACB_IRXFCS_OFFSET 19 +#define MACB_IRXFCS_SIZE 1 + +/* Bitfields in NSR */ +#define MACB_NSR_LINK_OFFSET 0 +#define MACB_NSR_LINK_SIZE 1 +#define MACB_MDIO_OFFSET 1 +#define MACB_MDIO_SIZE 1 +#define MACB_IDLE_OFFSET 2 +#define MACB_IDLE_SIZE 1 + +/* Bitfields in TSR */ +#define MACB_UBR_OFFSET 0 +#define MACB_UBR_SIZE 1 +#define MACB_COL_OFFSET 1 +#define MACB_COL_SIZE 1 +#define MACB_TSR_RLE_OFFSET 2 +#define MACB_TSR_RLE_SIZE 1 +#define MACB_TGO_OFFSET 3 +#define MACB_TGO_SIZE 1 +#define MACB_BEX_OFFSET 4 +#define MACB_BEX_SIZE 1 +#define MACB_COMP_OFFSET 5 +#define MACB_COMP_SIZE 1 +#define MACB_UND_OFFSET 6 +#define MACB_UND_SIZE 1 + +/* Bitfields in RSR */ +#define MACB_BNA_OFFSET 0 +#define MACB_BNA_SIZE 1 +#define MACB_REC_OFFSET 1 +#define MACB_REC_SIZE 1 +#define MACB_OVR_OFFSET 2 +#define MACB_OVR_SIZE 1 + +/* Bitfields in ISR/IER/IDR/IMR */ +#define MACB_MFD_OFFSET 0 +#define MACB_MFD_SIZE 1 +#define MACB_RCOMP_OFFSET 1 +#define MACB_RCOMP_SIZE 1 +#define MACB_RXUBR_OFFSET 2 +#define MACB_RXUBR_SIZE 1 +#define MACB_TXUBR_OFFSET 3 +#define MACB_TXUBR_SIZE 1 +#define MACB_ISR_TUND_OFFSET 4 +#define MACB_ISR_TUND_SIZE 1 +#define MACB_ISR_RLE_OFFSET 5 +#define MACB_ISR_RLE_SIZE 1 +#define MACB_TXERR_OFFSET 6 +#define MACB_TXERR_SIZE 1 +#define MACB_TCOMP_OFFSET 7 +#define MACB_TCOMP_SIZE 1 +#define MACB_ISR_LINK_OFFSET 9 +#define MACB_ISR_LINK_SIZE 1 +#define MACB_ISR_ROVR_OFFSET 10 +#define MACB_ISR_ROVR_SIZE 1 +#define MACB_HRESP_OFFSET 11 +#define MACB_HRESP_SIZE 1 +#define MACB_PFR_OFFSET 12 +#define MACB_PFR_SIZE 1 +#define MACB_PTZ_OFFSET 13 +#define MACB_PTZ_SIZE 1 + +/* Bitfields in MAN */ +#define MACB_DATA_OFFSET 0 +#define MACB_DATA_SIZE 16 +#define MACB_CODE_OFFSET 16 +#define MACB_CODE_SIZE 2 +#define MACB_REGA_OFFSET 18 +#define MACB_REGA_SIZE 5 +#define MACB_PHYA_OFFSET 23 +#define MACB_PHYA_SIZE 5 +#define MACB_RW_OFFSET 28 +#define MACB_RW_SIZE 2 +#define MACB_SOF_OFFSET 30 +#define MACB_SOF_SIZE 2 + +/* Bitfields in USRIO */ +#define MACB_MII_OFFSET 0 +#define MACB_MII_SIZE 1 +#define MACB_EAM_OFFSET 1 +#define MACB_EAM_SIZE 1 +#define MACB_TX_PAUSE_OFFSET 2 +#define MACB_TX_PAUSE_SIZE 1 +#define MACB_TX_PAUSE_ZERO_OFFSET 3 +#define MACB_TX_PAUSE_ZERO_SIZE 1 + +/* Bitfields in WOL */ +#define MACB_IP_OFFSET 0 +#define MACB_IP_SIZE 16 +#define MACB_MAG_OFFSET 16 +#define MACB_MAG_SIZE 1 +#define MACB_ARP_OFFSET 17 +#define MACB_ARP_SIZE 1 +#define MACB_SA1_OFFSET 18 +#define MACB_SA1_SIZE 1 +#define MACB_WOL_MTI_OFFSET 19 +#define MACB_WOL_MTI_SIZE 1 + +/* Constants for CLK */ +#define MACB_CLK_DIV8 0 +#define MACB_CLK_DIV16 1 +#define MACB_CLK_DIV32 2 +#define MACB_CLK_DIV64 3 + +/* Constants for MAN register */ +#define MACB_MAN_SOF 1 +#define MACB_MAN_WRITE 1 +#define MACB_MAN_READ 2 +#define MACB_MAN_CODE 2 + +/* Bit manipulation macros */ +#define MACB_BIT(name) \ + (1 << MACB_##name##_OFFSET) +#define MACB_BF(name,value) \ + (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ + << MACB_##name##_OFFSET) +#define MACB_BFEXT(name,value)\ + (((value) >> MACB_##name##_OFFSET) \ + & ((1 << MACB_##name##_SIZE) - 1)) +#define MACB_BFINS(name,value,old) \ + (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ + << MACB_##name##_OFFSET)) \ + | MACB_BF(name,value)) + +/* Register access macros */ +#define macb_readl(port,reg) \ + readl((port)->regs + MACB_##reg) +#define macb_writel(port,reg,value) \ + writel((value), (port)->regs + MACB_##reg) + +struct dma_desc { + u32 addr; + u32 ctrl; +}; + +/* DMA descriptor bitfields */ +#define MACB_RX_USED_OFFSET 0 +#define MACB_RX_USED_SIZE 1 +#define MACB_RX_WRAP_OFFSET 1 +#define MACB_RX_WRAP_SIZE 1 +#define MACB_RX_WADDR_OFFSET 2 +#define MACB_RX_WADDR_SIZE 30 + +#define MACB_RX_FRMLEN_OFFSET 0 +#define MACB_RX_FRMLEN_SIZE 12 +#define MACB_RX_OFFSET_OFFSET 12 +#define MACB_RX_OFFSET_SIZE 2 +#define MACB_RX_SOF_OFFSET 14 +#define MACB_RX_SOF_SIZE 1 +#define MACB_RX_EOF_OFFSET 15 +#define MACB_RX_EOF_SIZE 1 +#define MACB_RX_CFI_OFFSET 16 +#define MACB_RX_CFI_SIZE 1 +#define MACB_RX_VLAN_PRI_OFFSET 17 +#define MACB_RX_VLAN_PRI_SIZE 3 +#define MACB_RX_PRI_TAG_OFFSET 20 +#define MACB_RX_PRI_TAG_SIZE 1 +#define MACB_RX_VLAN_TAG_OFFSET 21 +#define MACB_RX_VLAN_TAG_SIZE 1 +#define MACB_RX_TYPEID_MATCH_OFFSET 22 +#define MACB_RX_TYPEID_MATCH_SIZE 1 +#define MACB_RX_SA4_MATCH_OFFSET 23 +#define MACB_RX_SA4_MATCH_SIZE 1 +#define MACB_RX_SA3_MATCH_OFFSET 24 +#define MACB_RX_SA3_MATCH_SIZE 1 +#define MACB_RX_SA2_MATCH_OFFSET 25 +#define MACB_RX_SA2_MATCH_SIZE 1 +#define MACB_RX_SA1_MATCH_OFFSET 26 +#define MACB_RX_SA1_MATCH_SIZE 1 +#define MACB_RX_EXT_MATCH_OFFSET 28 +#define MACB_RX_EXT_MATCH_SIZE 1 +#define MACB_RX_UHASH_MATCH_OFFSET 29 +#define MACB_RX_UHASH_MATCH_SIZE 1 +#define MACB_RX_MHASH_MATCH_OFFSET 30 +#define MACB_RX_MHASH_MATCH_SIZE 1 +#define MACB_RX_BROADCAST_OFFSET 31 +#define MACB_RX_BROADCAST_SIZE 1 + +#define MACB_TX_FRMLEN_OFFSET 0 +#define MACB_TX_FRMLEN_SIZE 11 +#define MACB_TX_LAST_OFFSET 15 +#define MACB_TX_LAST_SIZE 1 +#define MACB_TX_NOCRC_OFFSET 16 +#define MACB_TX_NOCRC_SIZE 1 +#define MACB_TX_BUF_EXHAUSTED_OFFSET 27 +#define MACB_TX_BUF_EXHAUSTED_SIZE 1 +#define MACB_TX_UNDERRUN_OFFSET 28 +#define MACB_TX_UNDERRUN_SIZE 1 +#define MACB_TX_ERROR_OFFSET 29 +#define MACB_TX_ERROR_SIZE 1 +#define MACB_TX_WRAP_OFFSET 30 +#define MACB_TX_WRAP_SIZE 1 +#define MACB_TX_USED_OFFSET 31 +#define MACB_TX_USED_SIZE 1 + +struct ring_info { + struct sk_buff *skb; + dma_addr_t mapping; +}; + +/* + * Hardware-collected statistics. Used when updating the network + * device stats by a periodic timer. + */ +struct macb_stats { + u32 rx_pause_frames; + u32 tx_ok; + u32 tx_single_cols; + u32 tx_multiple_cols; + u32 rx_ok; + u32 rx_fcs_errors; + u32 rx_align_errors; + u32 tx_deferred; + u32 tx_late_cols; + u32 tx_excessive_cols; + u32 tx_underruns; + u32 tx_carrier_errors; + u32 rx_resource_errors; + u32 rx_overruns; + u32 rx_symbol_errors; + u32 rx_oversize_pkts; + u32 rx_jabbers; + u32 rx_undersize_pkts; + u32 sqe_test_errors; + u32 rx_length_mismatch; + u32 tx_pause_frames; +}; + +struct macb { + void __iomem *regs; + + unsigned int rx_tail; + struct dma_desc *rx_ring; + void *rx_buffers; + + unsigned int tx_head, tx_tail; + struct dma_desc *tx_ring; + struct ring_info *tx_skb; + + spinlock_t lock; + struct platform_device *pdev; + struct clk *pclk; + struct clk *hclk; + struct net_device *dev; + struct net_device_stats stats; + struct macb_stats hw_stats; + + dma_addr_t rx_ring_dma; + dma_addr_t tx_ring_dma; + dma_addr_t rx_buffers_dma; + + unsigned int rx_pending, tx_pending; + + struct work_struct periodic_task; + + struct mutex mdio_mutex; + struct completion mdio_complete; + struct mii_if_info mii; +}; + +#endif /* _MACB_H */ -- cgit v1.2.3 From cefd9f7f1281c1ead03236f227dad4b163619705 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Tue, 14 Nov 2006 11:46:41 -0500 Subject: Revert "[PATCH] Add support for Marvell 88e1111S and 88e1145" This reverts commit 477c517903d57047150b01608149e02c6e9d83dd. This patch depended on something that was not yet committed. --- drivers/net/phy/marvell.c | 156 ++++------------------------------------------ 1 file changed, 12 insertions(+), 144 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 5320ab9fe01..0ad253282d0 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -43,19 +43,6 @@ #define MII_M1011_IMASK_INIT 0x6400 #define MII_M1011_IMASK_CLEAR 0x0000 -#define MII_M1011_PHY_SCR 0x10 -#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 - -#define MII_M1145_PHY_EXT_CR 0x14 -#define MII_M1145_RGMII_RX_DELAY 0x0080 -#define MII_M1145_RGMII_TX_DELAY 0x0002 - -#define M1145_DEV_FLAGS_RESISTANCE 0x00000001 - -#define MII_M1111_PHY_LED_CONTROL 0x18 -#define MII_M1111_PHY_LED_DIRECT 0x4100 -#define MII_M1111_PHY_LED_COMBINE 0x411c - MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); MODULE_LICENSE("GPL"); @@ -77,7 +64,7 @@ static int marvell_config_intr(struct phy_device *phydev) { int err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if(phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT); else err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); @@ -117,153 +104,34 @@ static int marvell_config_aneg(struct phy_device *phydev) if (err < 0) return err; - err = phy_write(phydev, MII_M1011_PHY_SCR, - MII_M1011_PHY_SCR_AUTO_CROSS); - if (err < 0) - return err; - - err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL, - MII_M1111_PHY_LED_DIRECT); - if (err < 0) - return err; err = genphy_config_aneg(phydev); return err; } -static int m88e1145_config_init(struct phy_device *phydev) -{ - int err; - - /* Take care of errata E0 & E1 */ - err = phy_write(phydev, 0x1d, 0x001b); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0x418f); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1d, 0x0016); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0xa2da); - if (err < 0) - return err; - - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { - int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR); - if (temp < 0) - return temp; - - temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY); - - err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp); - if (err < 0) - return err; - - if (phydev->dev_flags & M1145_DEV_FLAGS_RESISTANCE) { - err = phy_write(phydev, 0x1d, 0x0012); - if (err < 0) - return err; - - temp = phy_read(phydev, 0x1e); - if (temp < 0) - return temp; - - temp &= 0xf03f; - temp |= 2 << 9; /* 36 ohm */ - temp |= 2 << 6; /* 39 ohm */ - - err = phy_write(phydev, 0x1e, temp); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1d, 0x3); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0x8000); - if (err < 0) - return err; - } - } - - return 0; -} static struct phy_driver m88e1101_driver = { - .phy_id = 0x01410c60, - .phy_id_mask = 0xfffffff0, - .name = "Marvell 88E1101", - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = &marvell_config_aneg, - .read_status = &genphy_read_status, - .ack_interrupt = &marvell_ack_interrupt, - .config_intr = &marvell_config_intr, - .driver = {.owner = THIS_MODULE,}, -}; - -static struct phy_driver m88e1111s_driver = { - .phy_id = 0x01410cc0, - .phy_id_mask = 0xfffffff0, - .name = "Marvell 88E1111", - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_aneg = &marvell_config_aneg, - .read_status = &genphy_read_status, - .ack_interrupt = &marvell_ack_interrupt, - .config_intr = &marvell_config_intr, - .driver = {.owner = THIS_MODULE,}, -}; - -static struct phy_driver m88e1145_driver = { - .phy_id = 0x01410cd0, - .phy_id_mask = 0xfffffff0, - .name = "Marvell 88E1145", - .features = PHY_GBIT_FEATURES, - .flags = PHY_HAS_INTERRUPT, - .config_init = &m88e1145_config_init, - .config_aneg = &marvell_config_aneg, - .read_status = &genphy_read_status, - .ack_interrupt = &marvell_ack_interrupt, - .config_intr = &marvell_config_intr, - .driver = {.owner = THIS_MODULE,}, + .phy_id = 0x01410c00, + .phy_id_mask = 0xffffff00, + .name = "Marvell 88E1101", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &marvell_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &marvell_ack_interrupt, + .config_intr = &marvell_config_intr, + .driver = { .owner = THIS_MODULE,}, }; static int __init marvell_init(void) { - int ret; - - ret = phy_driver_register(&m88e1101_driver); - if (ret) - return ret; - - ret = phy_driver_register(&m88e1111s_driver); - if (ret) - goto err1111s; - - ret = phy_driver_register(&m88e1145_driver); - if (ret) - goto err1145; - - return 0; - - err1145: - phy_driver_unregister(&m88e1111s_driver); - err1111s: - phy_driver_unregister(&m88e1101_driver); - return ret; + return phy_driver_register(&m88e1101_driver); } static void __exit marvell_exit(void) { phy_driver_unregister(&m88e1101_driver); - phy_driver_unregister(&m88e1111s_driver); - phy_driver_unregister(&m88e1145_driver); } module_init(marvell_init); -- cgit v1.2.3 From b6d2b1db0637ff35127f3cc38c04f289a0ee0579 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Wed, 8 Nov 2006 11:04:49 -0600 Subject: [PATCH] bcm43xx: correct "Move IV/ICV stripping into ieee80211_rx" In the patch sent by Daniel Drake under the title "[PATCH] ieee80211: Move IV/ICV stripping into ieee80211_rx", a needed line was accidentally removed. (NOTE: I'm pretty sure this was my fault, not Daniel's. -- JWL) Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx_xmit.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c index a957bc86138..3e246267169 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c @@ -543,6 +543,7 @@ int bcm43xx_rx(struct bcm43xx_private *bcm, break; } + frame_ctl = le16_to_cpu(wlhdr->frame_ctl); switch (WLAN_FC_GET_TYPE(frame_ctl)) { case IEEE80211_FTYPE_MGMT: ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats); -- cgit v1.2.3 From e72ba2d328331e9687f0105a7937ea1b1969246c Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Tue, 14 Nov 2006 20:08:53 -0500 Subject: [PATCH] prism54: correct overly aggressive check of return from pci_set_mwi Failure of pci_set_mwi should not be considered a fatal error. Signed-off-by: John W. Linville --- drivers/net/wireless/prism54/islpci_hotplug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c index e0bca3abdf6..58257b40c04 100644 --- a/drivers/net/wireless/prism54/islpci_hotplug.c +++ b/drivers/net/wireless/prism54/islpci_hotplug.c @@ -170,8 +170,8 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); /* enable MWI */ - if (pci_set_mwi(pdev)) - goto do_pci_release_regions; + if (!pci_set_mwi(pdev)) + printk(KERN_INFO "%s: pci_set_mwi(pdev) succeeded\n", DRV_NAME); /* setup the network device interface and its structure */ if (!(ndev = islpci_setup(pdev))) { -- cgit v1.2.3 From 229782a336ab21b8eb7aa91dcb0dbdf728e95aef Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Fri, 17 Nov 2006 00:13:48 +0000 Subject: [PATCH] zd1211rw: Add ID for Planex GW-US54Mini zd1211 chip 14ea:ab13 v4330 high 00-90-cc AL2230_RF pa0 g--- Tested by Tetsuya Yatagai. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 7917153a92e..ca54830dfdb 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -51,6 +51,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x0586, 0x3409), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0b3b, 0x1630), .driver_info = DEVICE_ZD1211 }, { USB_DEVICE(0x0586, 0x3401), .driver_info = DEVICE_ZD1211 }, + { USB_DEVICE(0x14ea, 0xab13), .driver_info = DEVICE_ZD1211 }, /* ZD1211B */ { USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B }, -- cgit v1.2.3 From 8e87295b9578fa46b5f325a7dc42ddbbdad6e0d0 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Fri, 17 Nov 2006 00:26:40 +0000 Subject: [PATCH] zd1211rw: Add ID for Belkin F5D7050 v4000 zd1211b chip 050d:705c v4810 high 00-17-3f AL2230_RF pa0 g--N Tested by Bryan Barnard Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index ca54830dfdb..34524b73324 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -57,6 +57,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B }, + { USB_DEVICE(0x050d, 0x705c), .driver_info = DEVICE_ZD1211B }, /* "Driverless" devices that need ejecting */ { USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER }, {} -- cgit v1.2.3 From 84bc715c465f76584fc5127955fca0c61592e04b Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 00:05:30 +0000 Subject: [PATCH] zd1211rw: Remove IW_FREQ_AUTO support http://bugzilla.kernel.org/show_bug.cgi?id=7399 zd1211rw's support for IW_FREQ_AUTO is broken: when specified, the driver tries to change to a channel specified in an uninitialized integer. As IW_FREQ_AUTO is hard to implement properly, the solution (at least for now) is to drop support for it and start ignoring the flags like all other wireless drivers do. This has the added advantage that kismet also starts working with zd1211rw, even though kismet requesting IW_FREQ_AUTO is also a bug (fixed in their svn) Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_ieee80211.c | 3 --- drivers/net/wireless/zd1211rw/zd_mac.c | 17 ++++------------- drivers/net/wireless/zd1211rw/zd_mac.h | 6 +----- drivers/net/wireless/zd1211rw/zd_netdev.c | 13 +------------ 4 files changed, 6 insertions(+), 33 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.c b/drivers/net/wireless/zd1211rw/zd_ieee80211.c index 66905f7b61f..1b215a09974 100644 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.c +++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.c @@ -133,9 +133,6 @@ int zd_find_channel(u8 *channel, const struct iw_freq *freq) int i, r; u32 mhz; - if (!(freq->flags & IW_FREQ_FIXED)) - return 0; - if (freq->m < 1000) { if (freq->m > NUM_CHANNELS || freq->m == 0) return -EINVAL; diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index e5fedf968c1..7845b6dac83 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -317,21 +317,12 @@ int zd_mac_request_channel(struct zd_mac *mac, u8 channel) return 0; } -int zd_mac_get_channel(struct zd_mac *mac, u8 *channel, u8 *flags) +u8 zd_mac_get_channel(struct zd_mac *mac) { - struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac); + u8 channel = zd_chip_get_channel(&mac->chip); - *channel = zd_chip_get_channel(&mac->chip); - if (ieee->iw_mode != IW_MODE_INFRA) { - spin_lock_irq(&mac->lock); - *flags = *channel == mac->requested_channel ? - MAC_FIXED_CHANNEL : 0; - spin_unlock(&mac->lock); - } else { - *flags = 0; - } - dev_dbg_f(zd_mac_dev(mac), "channel %u flags %u\n", *channel, *flags); - return 0; + dev_dbg_f(zd_mac_dev(mac), "channel %u\n", channel); + return channel; } /* If wrong rate is given, we are falling back to the slowest rate: 1MBit/s */ diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index e4dd40a6fec..3feb292651d 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -116,10 +116,6 @@ struct rx_status { #define ZD_RX_CRC16_ERROR 0x40 #define ZD_RX_ERROR 0x80 -enum mac_flags { - MAC_FIXED_CHANNEL = 0x01, -}; - struct housekeeping { struct work_struct link_led_work; }; @@ -180,7 +176,7 @@ int zd_mac_set_regdomain(struct zd_mac *zd_mac, u8 regdomain); u8 zd_mac_get_regdomain(struct zd_mac *zd_mac); int zd_mac_request_channel(struct zd_mac *mac, u8 channel); -int zd_mac_get_channel(struct zd_mac *mac, u8 *channel, u8 *flags); +u8 zd_mac_get_channel(struct zd_mac *mac); int zd_mac_set_mode(struct zd_mac *mac, u32 mode); int zd_mac_get_mode(struct zd_mac *mac, u32 *mode); diff --git a/drivers/net/wireless/zd1211rw/zd_netdev.c b/drivers/net/wireless/zd1211rw/zd_netdev.c index af3a7b36d07..60f1b0f6d45 100644 --- a/drivers/net/wireless/zd1211rw/zd_netdev.c +++ b/drivers/net/wireless/zd1211rw/zd_netdev.c @@ -107,21 +107,10 @@ static int iw_get_freq(struct net_device *netdev, struct iw_request_info *info, union iwreq_data *req, char *extra) { - int r; struct zd_mac *mac = zd_netdev_mac(netdev); struct iw_freq *freq = &req->freq; - u8 channel; - u8 flags; - - r = zd_mac_get_channel(mac, &channel, &flags); - if (r) - return r; - freq->flags = (flags & MAC_FIXED_CHANNEL) ? - IW_FREQ_FIXED : IW_FREQ_AUTO; - dev_dbg_f(zd_mac_dev(mac), "channel %s\n", - (flags & MAC_FIXED_CHANNEL) ? "fixed" : "auto"); - return zd_channel_to_freq(freq, channel); + return zd_channel_to_freq(freq, zd_mac_get_channel(mac)); } static int iw_set_mode(struct net_device *netdev, -- cgit v1.2.3 From 741fec53f268b691b869ffc70023319406e0cc97 Mon Sep 17 00:00:00 2001 From: Ulrich Kunitz Date: Wed, 22 Nov 2006 00:05:53 +0000 Subject: [PATCH] zd1211rw: cleanups Bit-field constants in zd_chip.h are now defined using a shift expression. The value 0x08 is now (1 << 3). The fix is intended to improve readability. Remove misleading comment in zd_mac.c: The function already returns -EPERM in managed mode (IW_MODE_INFRA). Remove unused code in zd_mac.c: The unused code intended for debugging rx_status values is no longer useful. Added dump_stack() to ZD_ASSERT macro: Output of the stack helps to debug assertions. Keep in mind that the ZD_ASSERT() macro only results in code, if DEBUG is defined. Improved comments for filter_rx() zd_usb.c: Added driver name to module init and exit functions Signed-off-by: Ulrich Kunitz Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_chip.h | 80 ++++++++++++++++----------------- drivers/net/wireless/zd1211rw/zd_def.h | 1 + drivers/net/wireless/zd1211rw/zd_mac.c | 71 +++-------------------------- drivers/net/wireless/zd1211rw/zd_usb.c | 11 ++--- 4 files changed, 53 insertions(+), 110 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index ae59597ce4e..f441cf40f74 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -337,24 +337,24 @@ #define CR_MAC_PS_STATE CTL_REG(0x050C) #define CR_INTERRUPT CTL_REG(0x0510) -#define INT_TX_COMPLETE 0x00000001 -#define INT_RX_COMPLETE 0x00000002 -#define INT_RETRY_FAIL 0x00000004 -#define INT_WAKEUP 0x00000008 -#define INT_DTIM_NOTIFY 0x00000020 -#define INT_CFG_NEXT_BCN 0x00000040 -#define INT_BUS_ABORT 0x00000080 -#define INT_TX_FIFO_READY 0x00000100 -#define INT_UART 0x00000200 -#define INT_TX_COMPLETE_EN 0x00010000 -#define INT_RX_COMPLETE_EN 0x00020000 -#define INT_RETRY_FAIL_EN 0x00040000 -#define INT_WAKEUP_EN 0x00080000 -#define INT_DTIM_NOTIFY_EN 0x00200000 -#define INT_CFG_NEXT_BCN_EN 0x00400000 -#define INT_BUS_ABORT_EN 0x00800000 -#define INT_TX_FIFO_READY_EN 0x01000000 -#define INT_UART_EN 0x02000000 +#define INT_TX_COMPLETE (1 << 0) +#define INT_RX_COMPLETE (1 << 1) +#define INT_RETRY_FAIL (1 << 2) +#define INT_WAKEUP (1 << 3) +#define INT_DTIM_NOTIFY (1 << 5) +#define INT_CFG_NEXT_BCN (1 << 6) +#define INT_BUS_ABORT (1 << 7) +#define INT_TX_FIFO_READY (1 << 8) +#define INT_UART (1 << 9) +#define INT_TX_COMPLETE_EN (1 << 16) +#define INT_RX_COMPLETE_EN (1 << 17) +#define INT_RETRY_FAIL_EN (1 << 18) +#define INT_WAKEUP_EN (1 << 19) +#define INT_DTIM_NOTIFY_EN (1 << 21) +#define INT_CFG_NEXT_BCN_EN (1 << 22) +#define INT_BUS_ABORT_EN (1 << 23) +#define INT_TX_FIFO_READY_EN (1 << 24) +#define INT_UART_EN (1 << 25) #define CR_TSF_LOW_PART CTL_REG(0x0514) #define CR_TSF_HIGH_PART CTL_REG(0x0518) @@ -398,18 +398,18 @@ * device will use a rate in this table that is less than or equal to the rate * of the incoming frame which prompted the response */ #define CR_BASIC_RATE_TBL CTL_REG(0x0630) -#define CR_RATE_1M 0x0001 /* 802.11b */ -#define CR_RATE_2M 0x0002 /* 802.11b */ -#define CR_RATE_5_5M 0x0004 /* 802.11b */ -#define CR_RATE_11M 0x0008 /* 802.11b */ -#define CR_RATE_6M 0x0100 /* 802.11g */ -#define CR_RATE_9M 0x0200 /* 802.11g */ -#define CR_RATE_12M 0x0400 /* 802.11g */ -#define CR_RATE_18M 0x0800 /* 802.11g */ -#define CR_RATE_24M 0x1000 /* 802.11g */ -#define CR_RATE_36M 0x2000 /* 802.11g */ -#define CR_RATE_48M 0x4000 /* 802.11g */ -#define CR_RATE_54M 0x8000 /* 802.11g */ +#define CR_RATE_1M (1 << 0) /* 802.11b */ +#define CR_RATE_2M (1 << 1) /* 802.11b */ +#define CR_RATE_5_5M (1 << 2) /* 802.11b */ +#define CR_RATE_11M (1 << 3) /* 802.11b */ +#define CR_RATE_6M (1 << 8) /* 802.11g */ +#define CR_RATE_9M (1 << 9) /* 802.11g */ +#define CR_RATE_12M (1 << 10) /* 802.11g */ +#define CR_RATE_18M (1 << 11) /* 802.11g */ +#define CR_RATE_24M (1 << 12) /* 802.11g */ +#define CR_RATE_36M (1 << 13) /* 802.11g */ +#define CR_RATE_48M (1 << 14) /* 802.11g */ +#define CR_RATE_54M (1 << 15) /* 802.11g */ #define CR_RATES_80211G 0xff00 #define CR_RATES_80211B 0x000f @@ -426,9 +426,9 @@ /* register for controlling the LEDS */ #define CR_LED CTL_REG(0x0644) /* masks for controlling LEDs */ -#define LED1 0x0100 -#define LED2 0x0200 -#define LED_SW 0x0400 +#define LED1 (1 << 8) +#define LED2 (1 << 9) +#define LED_SW (1 << 10) /* Seems to indicate that the configuration is over. */ @@ -455,18 +455,18 @@ * registers, so one could argue it is a LOCK bit. But calling it * LOCK_PHY_REGS makes it confusing. */ -#define UNLOCK_PHY_REGS 0x0080 +#define UNLOCK_PHY_REGS (1 << 7) #define CR_DEVICE_STATE CTL_REG(0x0684) #define CR_UNDERRUN_CNT CTL_REG(0x0688) #define CR_RX_FILTER CTL_REG(0x068c) -#define RX_FILTER_ASSOC_RESPONSE 0x0002 -#define RX_FILTER_REASSOC_RESPONSE 0x0008 -#define RX_FILTER_PROBE_RESPONSE 0x0020 -#define RX_FILTER_BEACON 0x0100 -#define RX_FILTER_DISASSOC 0x0400 -#define RX_FILTER_AUTH 0x0800 +#define RX_FILTER_ASSOC_RESPONSE (1 << 1) +#define RX_FILTER_REASSOC_RESPONSE (1 << 3) +#define RX_FILTER_PROBE_RESPONSE (1 << 5) +#define RX_FILTER_BEACON (1 << 8) +#define RX_FILTER_DISASSOC (1 << 10) +#define RX_FILTER_AUTH (1 << 11) #define AP_RX_FILTER 0x0400feff #define STA_RX_FILTER 0x0000ffff diff --git a/drivers/net/wireless/zd1211rw/zd_def.h b/drivers/net/wireless/zd1211rw/zd_def.h index a13ec72eb30..fb22f62cf1f 100644 --- a/drivers/net/wireless/zd1211rw/zd_def.h +++ b/drivers/net/wireless/zd1211rw/zd_def.h @@ -39,6 +39,7 @@ do { \ if (!(x)) { \ pr_debug("%s:%d ASSERT %s VIOLATED!\n", \ __FILE__, __LINE__, __stringify(x)); \ + dump_stack(); \ } \ } while (0) #else diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 7845b6dac83..0bb53f0b8bd 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -295,7 +295,6 @@ static void set_channel(struct net_device *netdev, u8 channel) zd_chip_set_channel(&mac->chip, channel); } -/* TODO: Should not work in Managed mode. */ int zd_mac_request_channel(struct zd_mac *mac, u8 channel) { unsigned long lock_flags; @@ -773,9 +772,11 @@ static int is_data_packet_for_us(struct ieee80211_device *ieee, (netdev->flags & IFF_PROMISC); } -/* Filters receiving packets. If it returns 1 send it to ieee80211_rx, if 0 - * return. If an error is detected -EINVAL is returned. ieee80211_rx_mgt() is - * called here. +/* Filters received packets. The function returns 1 if the packet should be + * forwarded to ieee80211_rx(). If the packet should be ignored the function + * returns 0. If an invalid packet is found the function returns -EINVAL. + * + * The function calls ieee80211_rx_mgt() directly. * * It has been based on ieee80211_rx_any. */ @@ -801,9 +802,9 @@ static int filter_rx(struct ieee80211_device *ieee, ieee80211_rx_mgt(ieee, hdr, stats); return 0; case IEEE80211_FTYPE_CTL: - /* Ignore invalid short buffers */ return 0; case IEEE80211_FTYPE_DATA: + /* Ignore invalid short buffers */ if (length < sizeof(struct ieee80211_hdr_3addr)) return -EINVAL; return is_data_packet_for_us(ieee, hdr); @@ -1019,66 +1020,6 @@ struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev) return iw_stats; } -#ifdef DEBUG -static const char* decryption_types[] = { - [ZD_RX_NO_WEP] = "none", - [ZD_RX_WEP64] = "WEP64", - [ZD_RX_TKIP] = "TKIP", - [ZD_RX_AES] = "AES", - [ZD_RX_WEP128] = "WEP128", - [ZD_RX_WEP256] = "WEP256", -}; - -static const char *decryption_type_string(u8 type) -{ - const char *s; - - if (type < ARRAY_SIZE(decryption_types)) { - s = decryption_types[type]; - } else { - s = NULL; - } - return s ? s : "unknown"; -} - -static int is_ofdm(u8 frame_status) -{ - return (frame_status & ZD_RX_OFDM); -} - -void zd_dump_rx_status(const struct rx_status *status) -{ - const char* modulation; - u8 quality; - - if (is_ofdm(status->frame_status)) { - modulation = "ofdm"; - quality = status->signal_quality_ofdm; - } else { - modulation = "cck"; - quality = status->signal_quality_cck; - } - pr_debug("rx status %s strength %#04x qual %#04x decryption %s\n", - modulation, status->signal_strength, quality, - decryption_type_string(status->decryption_type)); - if (status->frame_status & ZD_RX_ERROR) { - pr_debug("rx error %s%s%s%s%s%s\n", - (status->frame_status & ZD_RX_TIMEOUT_ERROR) ? - "timeout " : "", - (status->frame_status & ZD_RX_FIFO_OVERRUN_ERROR) ? - "fifo " : "", - (status->frame_status & ZD_RX_DECRYPTION_ERROR) ? - "decryption " : "", - (status->frame_status & ZD_RX_CRC32_ERROR) ? - "crc32 " : "", - (status->frame_status & ZD_RX_NO_ADDR1_MATCH_ERROR) ? - "addr1 " : "", - (status->frame_status & ZD_RX_CRC16_ERROR) ? - "crc16" : ""); - } -} -#endif /* DEBUG */ - #define LINK_LED_WORK_DELAY HZ static void link_led_handler(void *p) diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 34524b73324..c3449cfae7e 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -1116,27 +1116,28 @@ static int __init usb_init(void) { int r; - pr_debug("usb_init()\n"); + pr_debug("%s usb_init()\n", driver.name); zd_workqueue = create_singlethread_workqueue(driver.name); if (zd_workqueue == NULL) { - printk(KERN_ERR "%s: couldn't create workqueue\n", driver.name); + printk(KERN_ERR "%s couldn't create workqueue\n", driver.name); return -ENOMEM; } r = usb_register(&driver); if (r) { - printk(KERN_ERR "usb_register() failed. Error number %d\n", r); + printk(KERN_ERR "%s usb_register() failed. Error number %d\n", + driver.name, r); return r; } - pr_debug("zd1211rw initialized\n"); + pr_debug("%s initialized\n", driver.name); return 0; } static void __exit usb_exit(void) { - pr_debug("usb_exit()\n"); + pr_debug("%s usb_exit()\n", driver.name); usb_deregister(&driver); destroy_workqueue(zd_workqueue); } -- cgit v1.2.3 From 850c211ce6948bcd71e505be22b7ead99a425bfa Mon Sep 17 00:00:00 2001 From: Ulrich Kunitz Date: Wed, 22 Nov 2006 00:06:19 +0000 Subject: [PATCH] zd1211rw: Optimized handling of zero length entries in length info There are a high number of split USB transactions, which contain only one packet but have a length info field. This patch optimizes this code by stopping parsing the length info structure if a zero length field is encountered. Signed-off-by: Ulrich Kunitz Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_usb.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index c3449cfae7e..aa782e88754 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -593,6 +593,8 @@ static void handle_rx_packet(struct zd_usb *usb, const u8 *buffer, unsigned int l, k, n; for (i = 0, l = 0;; i++) { k = le16_to_cpu(get_unaligned(&length_info->length[i])); + if (k == 0) + return; n = l+k; if (n > length) return; -- cgit v1.2.3 From 35f2c7c0ce8eb09d19fb50ed2cd29b6dbea9cd86 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 00:06:32 +0000 Subject: [PATCH] zd1211rw: Allow channels 1-13 in Japan Eric Goff found that he could not use his ZD1211 device which is programmed for the Japan regulatory domain. It turns out that ZyDAS deviate from the spec here: they do not use the newer Japan region code (0x41) but their drivers do operate as if the newer Japan legal frequency range is in effect. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_ieee80211.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.c b/drivers/net/wireless/zd1211rw/zd_ieee80211.c index 1b215a09974..189160efd2a 100644 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.c +++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.c @@ -37,7 +37,12 @@ static const struct channel_range channel_ranges[] = { [ZD_REGDOMAIN_JAPAN] = { 1, 14}, [ZD_REGDOMAIN_SPAIN] = { 1, 14}, [ZD_REGDOMAIN_FRANCE] = { 1, 14}, - [ZD_REGDOMAIN_JAPAN_ADD] = {14, 15}, + + /* Japan originally only had channel 14 available (see CHNL_ID 0x40 in + * 802.11). However, in 2001 the range was extended to include channels + * 1-13. The ZyDAS devices still use the old region code but are + * designed to allow the extra channel access in Japan. */ + [ZD_REGDOMAIN_JAPAN_ADD] = { 1, 15}, }; const struct channel_range *zd_channel_range(u8 regdomain) -- cgit v1.2.3 From b1cd84167b92de0f9fc7aad9cf272261496f4d0b Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 00:06:38 +0000 Subject: [PATCH] zd1211rw: Rename cs_rate to zd_rate These controlset rate constants are also applicable in places outside the controlset, such as in the RTS/CTS control register. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_ieee80211.h | 1 + drivers/net/wireless/zd1211rw/zd_mac.c | 56 ++++++++++++++-------------- drivers/net/wireless/zd1211rw/zd_mac.h | 9 +++-- 3 files changed, 34 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.h b/drivers/net/wireless/zd1211rw/zd_ieee80211.h index 36329890dfe..26b8298dff8 100644 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.h +++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.h @@ -50,6 +50,7 @@ static inline u8 zd_ofdm_plcp_header_rate( return header->prefix[0] & 0xf; } +/* These are referred to as zd_rates */ #define ZD_OFDM_RATE_6M 0xb #define ZD_OFDM_RATE_9M 0xf #define ZD_OFDM_RATE_12M 0xa diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 0bb53f0b8bd..e6af18304ba 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -325,13 +325,13 @@ u8 zd_mac_get_channel(struct zd_mac *mac) } /* If wrong rate is given, we are falling back to the slowest rate: 1MBit/s */ -static u8 cs_typed_rate(u8 cs_rate) +static u8 zd_rate_typed(u8 zd_rate) { static const u8 typed_rates[16] = { - [ZD_CS_CCK_RATE_1M] = ZD_CS_CCK|ZD_CS_CCK_RATE_1M, - [ZD_CS_CCK_RATE_2M] = ZD_CS_CCK|ZD_CS_CCK_RATE_2M, - [ZD_CS_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CS_CCK_RATE_5_5M, - [ZD_CS_CCK_RATE_11M] = ZD_CS_CCK|ZD_CS_CCK_RATE_11M, + [ZD_CCK_RATE_1M] = ZD_CS_CCK|ZD_CCK_RATE_1M, + [ZD_CCK_RATE_2M] = ZD_CS_CCK|ZD_CCK_RATE_2M, + [ZD_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CCK_RATE_5_5M, + [ZD_CCK_RATE_11M] = ZD_CS_CCK|ZD_CCK_RATE_11M, [ZD_OFDM_RATE_6M] = ZD_CS_OFDM|ZD_OFDM_RATE_6M, [ZD_OFDM_RATE_9M] = ZD_CS_OFDM|ZD_OFDM_RATE_9M, [ZD_OFDM_RATE_12M] = ZD_CS_OFDM|ZD_OFDM_RATE_12M, @@ -343,19 +343,19 @@ static u8 cs_typed_rate(u8 cs_rate) }; ZD_ASSERT(ZD_CS_RATE_MASK == 0x0f); - return typed_rates[cs_rate & ZD_CS_RATE_MASK]; + return typed_rates[zd_rate & ZD_CS_RATE_MASK]; } /* Fallback to lowest rate, if rate is unknown. */ -static u8 rate_to_cs_rate(u8 rate) +static u8 rate_to_zd_rate(u8 rate) { switch (rate) { case IEEE80211_CCK_RATE_2MB: - return ZD_CS_CCK_RATE_2M; + return ZD_CCK_RATE_2M; case IEEE80211_CCK_RATE_5MB: - return ZD_CS_CCK_RATE_5_5M; + return ZD_CCK_RATE_5_5M; case IEEE80211_CCK_RATE_11MB: - return ZD_CS_CCK_RATE_11M; + return ZD_CCK_RATE_11M; case IEEE80211_OFDM_RATE_6MB: return ZD_OFDM_RATE_6M; case IEEE80211_OFDM_RATE_9MB: @@ -373,7 +373,7 @@ static u8 rate_to_cs_rate(u8 rate) case IEEE80211_OFDM_RATE_54MB: return ZD_OFDM_RATE_54M; } - return ZD_CS_CCK_RATE_1M; + return ZD_CCK_RATE_1M; } int zd_mac_set_mode(struct zd_mac *mac, u32 mode) @@ -474,13 +474,13 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range) return 0; } -static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length) +static int zd_calc_tx_length_us(u8 *service, u8 zd_rate, u16 tx_length) { static const u8 rate_divisor[] = { - [ZD_CS_CCK_RATE_1M] = 1, - [ZD_CS_CCK_RATE_2M] = 2, - [ZD_CS_CCK_RATE_5_5M] = 11, /* bits must be doubled */ - [ZD_CS_CCK_RATE_11M] = 11, + [ZD_CCK_RATE_1M] = 1, + [ZD_CCK_RATE_2M] = 2, + [ZD_CCK_RATE_5_5M] = 11, /* bits must be doubled */ + [ZD_CCK_RATE_11M] = 11, [ZD_OFDM_RATE_6M] = 6, [ZD_OFDM_RATE_9M] = 9, [ZD_OFDM_RATE_12M] = 12, @@ -494,15 +494,15 @@ static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length) u32 bits = (u32)tx_length * 8; u32 divisor; - divisor = rate_divisor[cs_rate]; + divisor = rate_divisor[zd_rate]; if (divisor == 0) return -EINVAL; - switch (cs_rate) { - case ZD_CS_CCK_RATE_5_5M: + switch (zd_rate) { + case ZD_CCK_RATE_5_5M: bits = (2*bits) + 10; /* round up to the next integer */ break; - case ZD_CS_CCK_RATE_11M: + case ZD_CCK_RATE_11M: if (service) { u32 t = bits % 11; *service &= ~ZD_PLCP_SERVICE_LENGTH_EXTENSION; @@ -522,16 +522,16 @@ enum { R2M_11A = 0x02, }; -static u8 cs_rate_to_modulation(u8 cs_rate, int flags) +static u8 zd_rate_to_modulation(u8 zd_rate, int flags) { u8 modulation; - modulation = cs_typed_rate(cs_rate); + modulation = zd_rate_typed(zd_rate); if (flags & R2M_SHORT_PREAMBLE) { switch (ZD_CS_RATE(modulation)) { - case ZD_CS_CCK_RATE_2M: - case ZD_CS_CCK_RATE_5_5M: - case ZD_CS_CCK_RATE_11M: + case ZD_CCK_RATE_2M: + case ZD_CCK_RATE_5_5M: + case ZD_CCK_RATE_11M: modulation |= ZD_CS_CCK_PREA_SHORT; return modulation; } @@ -548,15 +548,15 @@ static void cs_set_modulation(struct zd_mac *mac, struct zd_ctrlset *cs, { struct ieee80211softmac_device *softmac = ieee80211_priv(mac->netdev); u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_ctl)); - u8 rate, cs_rate; + u8 rate, zd_rate; int is_mgt = (ftype == IEEE80211_FTYPE_MGMT) != 0; /* FIXME: 802.11a? short preamble? */ rate = ieee80211softmac_suggest_txrate(softmac, is_multicast_ether_addr(hdr->addr1), is_mgt); - cs_rate = rate_to_cs_rate(rate); - cs->modulation = cs_rate_to_modulation(cs_rate, 0); + zd_rate = rate_to_zd_rate(rate); + cs->modulation = zd_rate_to_modulation(zd_rate, 0); } static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 3feb292651d..3c86578150b 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -48,10 +48,11 @@ struct zd_ctrlset { #define ZD_CS_CCK 0x00 #define ZD_CS_OFDM 0x10 -#define ZD_CS_CCK_RATE_1M 0x00 -#define ZD_CS_CCK_RATE_2M 0x01 -#define ZD_CS_CCK_RATE_5_5M 0x02 -#define ZD_CS_CCK_RATE_11M 0x03 +/* These are referred to as zd_rates */ +#define ZD_CCK_RATE_1M 0x00 +#define ZD_CCK_RATE_2M 0x01 +#define ZD_CCK_RATE_5_5M 0x02 +#define ZD_CCK_RATE_11M 0x03 /* The rates for OFDM are encoded as in the PLCP header. Use ZD_OFDM_RATE_*. */ -- cgit v1.2.3 From b1382edef9c06eca337e8982e6040e0699abab82 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 00:06:48 +0000 Subject: [PATCH] zd1211rw: Use softmac ERP handling functionality This adds zd1211rw driver support for the softmac functionality I added a while back. We now obey changes in basic rates, use short preamble if it is available (but long if the AP says it's not), and send self-CTS in the proper situations. Locking fixed and improved by Ulrich Kunitz. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_chip.c | 38 +++-- drivers/net/wireless/zd1211rw/zd_chip.h | 24 ++- drivers/net/wireless/zd1211rw/zd_mac.c | 270 +++++++++++++++++++++++++------- drivers/net/wireless/zd1211rw/zd_mac.h | 19 +++ 4 files changed, 286 insertions(+), 65 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index aa661b2b76c..8be99ebbe1c 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -1076,6 +1076,31 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std) return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL); } +int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, + u8 rts_rate, int preamble) +{ + int rts_mod = ZD_RX_CCK; + u32 value = 0; + + /* Modulation bit */ + if (ZD_CS_TYPE(rts_rate) == ZD_CS_OFDM) + rts_mod = ZD_RX_OFDM; + + dev_dbg_f(zd_chip_dev(chip), "rts_rate=%x preamble=%x\n", + rts_rate, preamble); + + value |= rts_rate << RTSCTS_SH_RTS_RATE; + value |= rts_mod << RTSCTS_SH_RTS_MOD_TYPE; + value |= preamble << RTSCTS_SH_RTS_PMB_TYPE; + value |= preamble << RTSCTS_SH_CTS_PMB_TYPE; + + /* We always send 11M self-CTS messages, like the vendor driver. */ + value |= ZD_CCK_RATE_11M << RTSCTS_SH_CTS_RATE; + value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE; + + return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE); +} + int zd_chip_enable_hwint(struct zd_chip *chip) { int r; @@ -1355,17 +1380,12 @@ out: return r; } -int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates) +int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates) { - int r; - - if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G)) - return -EINVAL; + ZD_ASSERT((cr_rates & ~(CR_RATES_80211B | CR_RATES_80211G)) == 0); + dev_dbg_f(zd_chip_dev(chip), "%x\n", cr_rates); - mutex_lock(&chip->mutex); - r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL); - mutex_unlock(&chip->mutex); - return r; + return zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL); } static int ofdm_qual_db(u8 status_quality, u8 rate, unsigned int size) diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index f441cf40f74..ca892b9a644 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -420,6 +420,15 @@ #define CR_MANDATORY_RATE_TBL CTL_REG(0x0634) #define CR_RTS_CTS_RATE CTL_REG(0x0638) +/* These are all bit indexes in CR_RTS_CTS_RATE, so remember to shift. */ +#define RTSCTS_SH_RTS_RATE 0 +#define RTSCTS_SH_EXP_CTS_RATE 4 +#define RTSCTS_SH_RTS_MOD_TYPE 8 +#define RTSCTS_SH_RTS_PMB_TYPE 9 +#define RTSCTS_SH_CTS_RATE 16 +#define RTSCTS_SH_CTS_MOD_TYPE 24 +#define RTSCTS_SH_CTS_PMB_TYPE 25 + #define CR_WEP_PROTECT CTL_REG(0x063C) #define CR_RX_THRESHOLD CTL_REG(0x0640) @@ -794,6 +803,9 @@ void zd_chip_disable_rx(struct zd_chip *chip); int zd_chip_enable_hwint(struct zd_chip *chip); int zd_chip_disable_hwint(struct zd_chip *chip); +int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, + u8 rts_rate, int preamble); + static inline int zd_get_encryption_type(struct zd_chip *chip, u32 *type) { return zd_ioread32(chip, CR_ENCRYPTION_TYPE, type); @@ -809,7 +821,17 @@ static inline int zd_chip_get_basic_rates(struct zd_chip *chip, u16 *cr_rates) return zd_ioread16(chip, CR_BASIC_RATE_TBL, cr_rates); } -int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates); +int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates); + +static inline int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates) +{ + int r; + + mutex_lock(&chip->mutex); + r = zd_chip_set_basic_rates_locked(chip, cr_rates); + mutex_unlock(&chip->mutex); + return r; +} static inline int zd_chip_set_rx_filter(struct zd_chip *chip, u32 filter) { diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index e6af18304ba..2696f95b927 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -32,6 +32,8 @@ static void ieee_init(struct ieee80211_device *ieee); static void softmac_init(struct ieee80211softmac_device *sm); +static void set_rts_cts_work(void *d); +static void set_basic_rates_work(void *d); static void housekeeping_init(struct zd_mac *mac); static void housekeeping_enable(struct zd_mac *mac); @@ -46,6 +48,8 @@ int zd_mac_init(struct zd_mac *mac, memset(mac, 0, sizeof(*mac)); spin_lock_init(&mac->lock); mac->netdev = netdev; + INIT_WORK(&mac->set_rts_cts_work, set_rts_cts_work, mac); + INIT_WORK(&mac->set_basic_rates_work, set_basic_rates_work, mac); ieee_init(ieee); softmac_init(ieee80211_priv(netdev)); @@ -213,6 +217,13 @@ int zd_mac_stop(struct net_device *netdev) housekeeping_disable(mac); ieee80211softmac_stop(netdev); + /* Ensure no work items are running or queued from this point */ + cancel_delayed_work(&mac->set_rts_cts_work); + cancel_delayed_work(&mac->set_basic_rates_work); + flush_workqueue(zd_workqueue); + mac->updating_rts_rate = 0; + mac->updating_basic_rates = 0; + zd_chip_disable_hwint(chip); zd_chip_switch_radio_off(chip); zd_chip_disable_int(chip); @@ -286,6 +297,186 @@ u8 zd_mac_get_regdomain(struct zd_mac *mac) return regdomain; } +/* Fallback to lowest rate, if rate is unknown. */ +static u8 rate_to_zd_rate(u8 rate) +{ + switch (rate) { + case IEEE80211_CCK_RATE_2MB: + return ZD_CCK_RATE_2M; + case IEEE80211_CCK_RATE_5MB: + return ZD_CCK_RATE_5_5M; + case IEEE80211_CCK_RATE_11MB: + return ZD_CCK_RATE_11M; + case IEEE80211_OFDM_RATE_6MB: + return ZD_OFDM_RATE_6M; + case IEEE80211_OFDM_RATE_9MB: + return ZD_OFDM_RATE_9M; + case IEEE80211_OFDM_RATE_12MB: + return ZD_OFDM_RATE_12M; + case IEEE80211_OFDM_RATE_18MB: + return ZD_OFDM_RATE_18M; + case IEEE80211_OFDM_RATE_24MB: + return ZD_OFDM_RATE_24M; + case IEEE80211_OFDM_RATE_36MB: + return ZD_OFDM_RATE_36M; + case IEEE80211_OFDM_RATE_48MB: + return ZD_OFDM_RATE_48M; + case IEEE80211_OFDM_RATE_54MB: + return ZD_OFDM_RATE_54M; + } + return ZD_CCK_RATE_1M; +} + +static u16 rate_to_cr_rate(u8 rate) +{ + switch (rate) { + case IEEE80211_CCK_RATE_2MB: + return CR_RATE_1M; + case IEEE80211_CCK_RATE_5MB: + return CR_RATE_5_5M; + case IEEE80211_CCK_RATE_11MB: + return CR_RATE_11M; + case IEEE80211_OFDM_RATE_6MB: + return CR_RATE_6M; + case IEEE80211_OFDM_RATE_9MB: + return CR_RATE_9M; + case IEEE80211_OFDM_RATE_12MB: + return CR_RATE_12M; + case IEEE80211_OFDM_RATE_18MB: + return CR_RATE_18M; + case IEEE80211_OFDM_RATE_24MB: + return CR_RATE_24M; + case IEEE80211_OFDM_RATE_36MB: + return CR_RATE_36M; + case IEEE80211_OFDM_RATE_48MB: + return CR_RATE_48M; + case IEEE80211_OFDM_RATE_54MB: + return CR_RATE_54M; + } + return CR_RATE_1M; +} + +static void try_enable_tx(struct zd_mac *mac) +{ + unsigned long flags; + + spin_lock_irqsave(&mac->lock, flags); + if (mac->updating_rts_rate == 0 && mac->updating_basic_rates == 0) + netif_wake_queue(mac->netdev); + spin_unlock_irqrestore(&mac->lock, flags); +} + +static void set_rts_cts_work(void *d) +{ + struct zd_mac *mac = d; + unsigned long flags; + u8 rts_rate; + unsigned int short_preamble; + + mutex_lock(&mac->chip.mutex); + + spin_lock_irqsave(&mac->lock, flags); + mac->updating_rts_rate = 0; + rts_rate = mac->rts_rate; + short_preamble = mac->short_preamble; + spin_unlock_irqrestore(&mac->lock, flags); + + zd_chip_set_rts_cts_rate_locked(&mac->chip, rts_rate, short_preamble); + mutex_unlock(&mac->chip.mutex); + + try_enable_tx(mac); +} + +static void set_basic_rates_work(void *d) +{ + struct zd_mac *mac = d; + unsigned long flags; + u16 basic_rates; + + mutex_lock(&mac->chip.mutex); + + spin_lock_irqsave(&mac->lock, flags); + mac->updating_basic_rates = 0; + basic_rates = mac->basic_rates; + spin_unlock_irqrestore(&mac->lock, flags); + + zd_chip_set_basic_rates_locked(&mac->chip, basic_rates); + mutex_unlock(&mac->chip.mutex); + + try_enable_tx(mac); +} + +static void bssinfo_change(struct net_device *netdev, u32 changes) +{ + struct zd_mac *mac = zd_netdev_mac(netdev); + struct ieee80211softmac_device *softmac = ieee80211_priv(netdev); + struct ieee80211softmac_bss_info *bssinfo = &softmac->bssinfo; + int need_set_rts_cts = 0; + int need_set_rates = 0; + u16 basic_rates; + unsigned long flags; + + dev_dbg_f(zd_mac_dev(mac), "changes: %x\n", changes); + + if (changes & IEEE80211SOFTMAC_BSSINFOCHG_SHORT_PREAMBLE) { + spin_lock_irqsave(&mac->lock, flags); + mac->short_preamble = bssinfo->short_preamble; + spin_unlock_irqrestore(&mac->lock, flags); + need_set_rts_cts = 1; + } + + if (changes & IEEE80211SOFTMAC_BSSINFOCHG_RATES) { + /* Set RTS rate to highest available basic rate */ + u8 rate = ieee80211softmac_highest_supported_rate(softmac, + &bssinfo->supported_rates, 1); + rate = rate_to_zd_rate(rate); + + spin_lock_irqsave(&mac->lock, flags); + if (rate != mac->rts_rate) { + mac->rts_rate = rate; + need_set_rts_cts = 1; + } + spin_unlock_irqrestore(&mac->lock, flags); + + /* Set basic rates */ + need_set_rates = 1; + if (bssinfo->supported_rates.count == 0) { + /* Allow the device to be flexible */ + basic_rates = CR_RATES_80211B | CR_RATES_80211G; + } else { + int i = 0; + basic_rates = 0; + + for (i = 0; i < bssinfo->supported_rates.count; i++) { + u16 rate = bssinfo->supported_rates.rates[i]; + if ((rate & IEEE80211_BASIC_RATE_MASK) == 0) + continue; + + rate &= ~IEEE80211_BASIC_RATE_MASK; + basic_rates |= rate_to_cr_rate(rate); + } + } + spin_lock_irqsave(&mac->lock, flags); + mac->basic_rates = basic_rates; + spin_unlock_irqrestore(&mac->lock, flags); + } + + /* Schedule any changes we made above */ + + spin_lock_irqsave(&mac->lock, flags); + if (need_set_rts_cts && !mac->updating_rts_rate) { + mac->updating_rts_rate = 1; + netif_stop_queue(mac->netdev); + queue_work(zd_workqueue, &mac->set_rts_cts_work); + } + if (need_set_rates && !mac->updating_basic_rates) { + mac->updating_basic_rates = 1; + netif_stop_queue(mac->netdev); + queue_work(zd_workqueue, &mac->set_basic_rates_work); + } + spin_unlock_irqrestore(&mac->lock, flags); +} + static void set_channel(struct net_device *netdev, u8 channel) { struct zd_mac *mac = zd_netdev_mac(netdev); @@ -346,36 +537,6 @@ static u8 zd_rate_typed(u8 zd_rate) return typed_rates[zd_rate & ZD_CS_RATE_MASK]; } -/* Fallback to lowest rate, if rate is unknown. */ -static u8 rate_to_zd_rate(u8 rate) -{ - switch (rate) { - case IEEE80211_CCK_RATE_2MB: - return ZD_CCK_RATE_2M; - case IEEE80211_CCK_RATE_5MB: - return ZD_CCK_RATE_5_5M; - case IEEE80211_CCK_RATE_11MB: - return ZD_CCK_RATE_11M; - case IEEE80211_OFDM_RATE_6MB: - return ZD_OFDM_RATE_6M; - case IEEE80211_OFDM_RATE_9MB: - return ZD_OFDM_RATE_9M; - case IEEE80211_OFDM_RATE_12MB: - return ZD_OFDM_RATE_12M; - case IEEE80211_OFDM_RATE_18MB: - return ZD_OFDM_RATE_18M; - case IEEE80211_OFDM_RATE_24MB: - return ZD_OFDM_RATE_24M; - case IEEE80211_OFDM_RATE_36MB: - return ZD_OFDM_RATE_36M; - case IEEE80211_OFDM_RATE_48MB: - return ZD_OFDM_RATE_48M; - case IEEE80211_OFDM_RATE_54MB: - return ZD_OFDM_RATE_54M; - } - return ZD_CCK_RATE_1M; -} - int zd_mac_set_mode(struct zd_mac *mac, u32 mode) { struct ieee80211_device *ieee; @@ -550,37 +711,34 @@ static void cs_set_modulation(struct zd_mac *mac, struct zd_ctrlset *cs, u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_ctl)); u8 rate, zd_rate; int is_mgt = (ftype == IEEE80211_FTYPE_MGMT) != 0; + int is_multicast = is_multicast_ether_addr(hdr->addr1); + int short_preamble = ieee80211softmac_short_preamble_ok(softmac, + is_multicast, is_mgt); + int flags = 0; - /* FIXME: 802.11a? short preamble? */ - rate = ieee80211softmac_suggest_txrate(softmac, - is_multicast_ether_addr(hdr->addr1), is_mgt); + /* FIXME: 802.11a? */ + rate = ieee80211softmac_suggest_txrate(softmac, is_multicast, is_mgt); + + if (short_preamble) + flags |= R2M_SHORT_PREAMBLE; zd_rate = rate_to_zd_rate(rate); - cs->modulation = zd_rate_to_modulation(zd_rate, 0); + cs->modulation = zd_rate_to_modulation(zd_rate, flags); } static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, struct ieee80211_hdr_4addr *header) { + struct ieee80211softmac_device *softmac = ieee80211_priv(mac->netdev); unsigned int tx_length = le16_to_cpu(cs->tx_length); u16 fctl = le16_to_cpu(header->frame_ctl); u16 ftype = WLAN_FC_GET_TYPE(fctl); u16 stype = WLAN_FC_GET_STYPE(fctl); /* - * CONTROL: - * - start at 0x00 - * - if fragment 0, enable bit 0 + * CONTROL TODO: * - if backoff needed, enable bit 0 * - if burst (backoff not needed) disable bit 0 - * - if multicast, enable bit 1 - * - if PS-POLL frame, enable bit 2 - * - if in INDEPENDENT_BSS mode and zd1205_DestPowerSave, then enable - * bit 4 (FIXME: wtf) - * - if frag_len > RTS threshold, set bit 5 as long if it isnt - * multicast or mgt - * - if bit 5 is set, and we are in OFDM mode, unset bit 5 and set bit - * 7 */ cs->control = 0; @@ -597,17 +755,18 @@ static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, if (stype == IEEE80211_STYPE_PSPOLL) cs->control |= ZD_CS_PS_POLL_FRAME; + /* Unicast data frames over the threshold should have RTS */ if (!is_multicast_ether_addr(header->addr1) && - ftype != IEEE80211_FTYPE_MGMT && - tx_length > zd_netdev_ieee80211(mac->netdev)->rts) - { - /* FIXME: check the logic */ - if (ZD_CS_TYPE(cs->modulation) == ZD_CS_OFDM) { - /* 802.11g */ - cs->control |= ZD_CS_SELF_CTS; - } else { /* 802.11b */ - cs->control |= ZD_CS_RTS; - } + ftype != IEEE80211_FTYPE_MGMT && + tx_length > zd_netdev_ieee80211(mac->netdev)->rts) + cs->control |= ZD_CS_RTS; + + /* Use CTS-to-self protection if required */ + if (ZD_CS_TYPE(cs->modulation) == ZD_CS_OFDM && + ieee80211softmac_protection_needed(softmac)) { + /* FIXME: avoid sending RTS *and* self-CTS, is that correct? */ + cs->control &= ~ZD_CS_RTS; + cs->control |= ZD_CS_SELF_CTS; } /* FIXME: Management frame? */ @@ -985,6 +1144,7 @@ static void ieee_init(struct ieee80211_device *ieee) static void softmac_init(struct ieee80211softmac_device *sm) { sm->set_channel = set_channel; + sm->bssinfo_change = bssinfo_change; } struct iw_statistics *zd_mac_get_wireless_stats(struct net_device *ndev) diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 3c86578150b..5dcfb251f02 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -20,6 +20,7 @@ #include #include +#include #include #include @@ -127,15 +128,33 @@ struct zd_mac { struct zd_chip chip; spinlock_t lock; struct net_device *netdev; + /* Unlocked reading possible */ struct iw_statistics iw_stats; + struct housekeeping housekeeping; + struct work_struct set_rts_cts_work; + struct work_struct set_basic_rates_work; + unsigned int stats_count; u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE]; u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE]; u8 regdomain; u8 default_regdomain; u8 requested_channel; + + /* A bitpattern of cr_rates */ + u16 basic_rates; + + /* A zd_rate */ + u8 rts_rate; + + /* Short preamble (used for RTS/CTS) */ + unsigned int short_preamble:1; + + /* flags to indicate update in progress */ + unsigned int updating_rts_rate:1; + unsigned int updating_basic_rates:1; }; static inline struct ieee80211_device *zd_mac_to_ieee80211(struct zd_mac *mac) -- cgit v1.2.3 From 718cc4ca2bfb3263c7ea3ceba9c194f9cd7292e2 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 03:15:46 +0000 Subject: [PATCH] ieee80211: Provide generic get_stats implementation bcm43xx and ipw2100 currently duplicate the same simplistic get_stats handler. Additionally, zd1211rw requires the same handler to fix a bug where all stats are reported as 0. This patch adds a generic implementation to the ieee80211 layer, which drivers are free to override. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/bcm43xx/bcm43xx_main.c | 6 ------ drivers/net/wireless/ipw2100.c | 14 -------------- 2 files changed, 20 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 60a97450a6e..5b3c27359a1 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -4013,11 +4013,6 @@ static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb, return NETDEV_TX_OK; } -static struct net_device_stats * bcm43xx_net_get_stats(struct net_device *net_dev) -{ - return &(bcm43xx_priv(net_dev)->ieee->stats); -} - static void bcm43xx_net_tx_timeout(struct net_device *net_dev) { struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); @@ -4131,7 +4126,6 @@ static int __devinit bcm43xx_init_one(struct pci_dev *pdev, net_dev->open = bcm43xx_net_open; net_dev->stop = bcm43xx_net_stop; - net_dev->get_stats = bcm43xx_net_get_stats; net_dev->tx_timeout = bcm43xx_net_tx_timeout; #ifdef CONFIG_NET_POLL_CONTROLLER net_dev->poll_controller = bcm43xx_net_poll_controller; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 3bc6be9d20f..79607b8b877 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -5827,19 +5827,6 @@ static void ipw2100_tx_timeout(struct net_device *dev) schedule_reset(priv); } -/* - * TODO: reimplement it so that it reads statistics - * from the adapter using ordinal tables - * instead of/in addition to collecting them - * in the driver - */ -static struct net_device_stats *ipw2100_stats(struct net_device *dev) -{ - struct ipw2100_priv *priv = ieee80211_priv(dev); - - return &priv->ieee->stats; -} - static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value) { /* This is called when wpa_supplicant loads and closes the driver @@ -6022,7 +6009,6 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, dev->open = ipw2100_open; dev->stop = ipw2100_close; dev->init = ipw2100_net_init; - dev->get_stats = ipw2100_stats; dev->ethtool_ops = &ipw2100_ethtool_ops; dev->tx_timeout = ipw2100_tx_timeout; dev->wireless_handlers = &ipw2100_wx_handler_def; -- cgit v1.2.3 From edf901638144525a140c68be01be1b22e6041a6d Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Wed, 29 Nov 2006 08:58:11 -0800 Subject: [PATCH] NetXen: Fixed /sys mapping between device and driver Signed-off-by: Amit S. Kale netxen_nic_main.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 145bf47f0a8..ffd272c93a6 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -273,6 +273,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } SET_MODULE_OWNER(netdev); + SET_NETDEV_DEV(netdev, &pdev->dev); port = netdev_priv(netdev); port->netdev = netdev; @@ -1043,7 +1044,7 @@ static int netxen_nic_poll(struct net_device *netdev, int *budget) netxen_nic_enable_int(adapter); } - return (done ? 0 : 1); + return !done; } #ifdef CONFIG_NET_POLL_CONTROLLER -- cgit v1.2.3 From cb8011ad53e0855ef088e0e5a4bcb98fa90c70b6 Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Wed, 29 Nov 2006 09:00:10 -0800 Subject: [PATCH] NetXen: temp monitoring, newer firmware support, mm footprint reduction NetXen: 1G/10G Ethernet Driver updates - Temparature monitoring and device control - Memory footprint reduction - Driver changes to support newer version of firmware Signed-off-by: Amit S. Kale netxen_nic.h | 165 ++++++++++++++++++++++++++++++++-- netxen_nic_ethtool.c | 89 ++++++++++++------ netxen_nic_hdr.h | 71 +++++++++++++- netxen_nic_hw.c | 206 +++++++++++++++++++++++++++++-------------- netxen_nic_hw.h | 8 + netxen_nic_init.c | 239 +++++++++++++++++++++++++++++++++++++++++--------- netxen_nic_ioctl.h | 12 +- netxen_nic_isr.c | 54 +++++------ netxen_nic_main.c | 121 +++++++++++++++++-------- netxen_nic_niu.c | 172 +++++++++++++++++++++++++++-------- netxen_nic_phan_reg.h | 24 ++++- 11 files changed, 891 insertions(+), 270 deletions(-) Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 165 +++++++++++++++++++-- drivers/net/netxen/netxen_nic_ethtool.c | 89 ++++++++---- drivers/net/netxen/netxen_nic_hdr.h | 71 ++++++++- drivers/net/netxen/netxen_nic_hw.c | 206 +++++++++++++++++--------- drivers/net/netxen/netxen_nic_hw.h | 8 +- drivers/net/netxen/netxen_nic_init.c | 239 ++++++++++++++++++++++++++----- drivers/net/netxen/netxen_nic_ioctl.h | 12 +- drivers/net/netxen/netxen_nic_isr.c | 54 ++++--- drivers/net/netxen/netxen_nic_main.c | 121 +++++++++++----- drivers/net/netxen/netxen_nic_niu.c | 172 +++++++++++++++++----- drivers/net/netxen/netxen_nic_phan_reg.h | 24 +++- 11 files changed, 891 insertions(+), 270 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 0458db45e70..1bee560d7d0 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -63,12 +63,12 @@ #include "netxen_nic_hw.h" -#define NETXEN_NIC_BUILD_NO "232" +#define NETXEN_NIC_BUILD_NO "5" #define _NETXEN_NIC_LINUX_MAJOR 2 #define _NETXEN_NIC_LINUX_MINOR 3 -#define _NETXEN_NIC_LINUX_SUBVERSION 57 -#define NETXEN_NIC_LINUX_VERSIONID "2.3.57" -#define NETXEN_NIC_FW_VERSIONID "2.3.57" +#define _NETXEN_NIC_LINUX_SUBVERSION 59 +#define NETXEN_NIC_LINUX_VERSIONID "2.3.59" "-" NETXEN_NIC_BUILD_NO +#define NETXEN_NIC_FW_VERSIONID "2.3.59" #define RCV_DESC_RINGSIZE \ (sizeof(struct rcv_desc) * adapter->max_rx_desc_count) @@ -89,9 +89,24 @@ * normalize a 64MB crb address to 32MB PCI window * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1 */ +#define NETXEN_CRB_NORMAL(reg) \ + (reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST + #define NETXEN_CRB_NORMALIZE(adapter, reg) \ - ((adapter)->ahw.pci_base + (reg) \ - - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST) + pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg)) + +#define FIRST_PAGE_GROUP_START 0 +#define FIRST_PAGE_GROUP_END 0x400000 + +#define SECOND_PAGE_GROUP_START 0x4000000 +#define SECOND_PAGE_GROUP_END 0x66BC000 + +#define THIRD_PAGE_GROUP_START 0x70E4000 +#define THIRD_PAGE_GROUP_END 0x8000000 + +#define FIRST_PAGE_GROUP_SIZE FIRST_PAGE_GROUP_END - FIRST_PAGE_GROUP_START +#define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START +#define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START #define MAX_RX_BUFFER_LENGTH 2000 #define MAX_RX_JUMBO_BUFFER_LENGTH 9046 @@ -328,6 +343,7 @@ typedef enum { NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e, NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f } netxen_brdtype_t; +#define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(netxen_brdinfo_t)) typedef enum { NETXEN_BRDMFG_INVENTEC = 1 @@ -615,15 +631,23 @@ struct netxen_rx_buffer { */ struct netxen_hardware_context { struct pci_dev *pdev; - void __iomem *pci_base; /* base of mapped phantom memory */ + void __iomem *pci_base0; + void __iomem *pci_base1; + void __iomem *pci_base2; + u8 revision_id; u16 board_type; u16 max_ports; struct netxen_board_info boardcfg; u32 xg_linkup; + u32 qg_linksup; /* Address of cmd ring in Phantom */ struct cmd_desc_type0 *cmd_desc_head; + char *pauseaddr; + struct pci_dev *cmd_desc_pdev; dma_addr_t cmd_desc_phys_addr; + dma_addr_t pause_physaddr; + struct pci_dev *pause_pdev; struct netxen_adapter *adapter; }; @@ -654,6 +678,7 @@ struct netxen_rcv_desc_ctx { u32 rcv_pending; /* Num of bufs posted in phantom */ u32 rcv_free; /* Num of bufs in free list */ dma_addr_t phys_addr; + struct pci_dev *phys_pdev; struct rcv_desc *desc_head; /* address of rx ring in Phantom */ u32 max_rx_desc_count; u32 dma_size; @@ -673,6 +698,7 @@ struct netxen_recv_context { u32 status_rx_producer; u32 status_rx_consumer; dma_addr_t rcv_status_desc_phys_addr; + struct pci_dev *rcv_status_desc_pdev; struct status_desc *rcv_status_desc_head; }; @@ -708,6 +734,7 @@ struct netxen_adapter { u32 flags; u32 irq; int driver_mismatch; + u32 temp; struct netxen_adapter_stats stats; @@ -766,6 +793,43 @@ struct netxen_port { struct netxen_port_stats stats; }; +#define PCI_OFFSET_FIRST_RANGE(adapter, off) \ + ((adapter)->ahw.pci_base0 + (off)) +#define PCI_OFFSET_SECOND_RANGE(adapter, off) \ + ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START) +#define PCI_OFFSET_THIRD_RANGE(adapter, off) \ + ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START) + +static inline void __iomem *pci_base_offset(struct netxen_adapter *adapter, + unsigned long off) +{ + if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) { + return (adapter->ahw.pci_base0 + off); + } else if ((off < SECOND_PAGE_GROUP_END) && + (off >= SECOND_PAGE_GROUP_START)) { + return (adapter->ahw.pci_base1 + off - SECOND_PAGE_GROUP_START); + } else if ((off < THIRD_PAGE_GROUP_END) && + (off >= THIRD_PAGE_GROUP_START)) { + return (adapter->ahw.pci_base2 + off - THIRD_PAGE_GROUP_START); + } + return NULL; +} + +static inline void __iomem *pci_base(struct netxen_adapter *adapter, + unsigned long off) +{ + if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) { + return adapter->ahw.pci_base0; + } else if ((off < SECOND_PAGE_GROUP_END) && + (off >= SECOND_PAGE_GROUP_START)) { + return adapter->ahw.pci_base1; + } else if ((off < THIRD_PAGE_GROUP_END) && + (off >= THIRD_PAGE_GROUP_START)) { + return adapter->ahw.pci_base2; + } + return NULL; +} + struct netxen_drvops { int (*enable_phy_interrupts) (struct netxen_adapter *, int); int (*disable_phy_interrupts) (struct netxen_adapter *, int); @@ -809,7 +873,6 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy, long reg, __le32 val); /* Functions available from netxen_nic_hw.c */ -int netxen_niu_xginit(struct netxen_adapter *); int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu); int netxen_nic_set_mtu_gb(struct netxen_port *port, int new_mtu); void netxen_nic_init_niu_gb(struct netxen_adapter *adapter); @@ -828,10 +891,13 @@ void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, int data); /* Functions from netxen_nic_init.c */ -void netxen_phantom_init(struct netxen_adapter *adapter); +void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); void netxen_load_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); +int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data); +int netxen_rom_se(struct netxen_adapter *adapter, int addr); +int netxen_do_rom_se(struct netxen_adapter *adapter, int addr); /* Functions from netxen_nic_isr.c */ void netxen_nic_isr_other(struct netxen_adapter *adapter); @@ -842,6 +908,8 @@ void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port, void netxen_nic_stop_all_ports(struct netxen_adapter *adapter); void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); void netxen_initialize_adapter_hw(struct netxen_adapter *adapter); +void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, + struct pci_dev **used_dev); void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); int netxen_init_firmware(struct netxen_adapter *adapter); void netxen_free_hw_resources(struct netxen_adapter *adapter); @@ -869,7 +937,10 @@ static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) /* * ISR_INT_MASK: Can be read from window 0 or 1. */ - writel(0x7ff, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK)); + writel(0x7ff, + (void __iomem + *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + } static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) @@ -888,13 +959,83 @@ static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) break; } - writel(mask, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK)); + writel(mask, + (void __iomem + *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; writel(mask, (void __iomem *) - (adapter->ahw.pci_base + ISR_INT_TARGET_MASK)); + (PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK))); + } +} + +/* + * NetXen Board information + */ + +#define NETXEN_MAX_SHORT_NAME 16 +typedef struct { + netxen_brdtype_t brdtype; /* type of board */ + long ports; /* max no of physical ports */ + char short_name[NETXEN_MAX_SHORT_NAME]; +} netxen_brdinfo_t; + +static const netxen_brdinfo_t netxen_boards[] = { + {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"}, + {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"}, + {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"}, + {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"}, + {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"}, + {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"}, +}; + +#define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(netxen_brdinfo_t)) + +static inline void get_brd_ports_name_by_type(u32 type, int *ports, char *name) +{ + int i, found = 0; + for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { + if (netxen_boards[i].brdtype == type) { + *ports = netxen_boards[i].ports; + strcpy(name, netxen_boards[i].short_name); + found = 1; + break; + } + } + if (!found) { + *ports = 0; + name = "Unknown"; + } +} + +static inline void get_brd_port_by_type(u32 type, int *ports) +{ + int i, found = 0; + for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { + if (netxen_boards[i].brdtype == type) { + *ports = netxen_boards[i].ports; + found = 1; + break; + } + } + if (!found) + *ports = 0; +} + +static inline void get_brd_name_by_type(u32 type, char *name) +{ + int i, found = 0; + for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { + if (netxen_boards[i].brdtype == type) { + strcpy(name, netxen_boards[i].short_name); + found = 1; + break; + } + } + if (!found) + name = "Unknown"; } int netxen_is_flash_supported(struct netxen_adapter *adapter); diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index caf6cc15b24..f3fc35cf8af 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -53,6 +53,9 @@ struct netxen_nic_stats { #define NETXEN_NIC_STAT(m) sizeof(((struct netxen_port *)0)->m), \ offsetof(struct netxen_port, m) +#define NETXEN_NIC_PORT_WINDOW 0x10000 +#define NETXEN_NIC_INVALID_DATA 0xDEADBEEF + static const struct netxen_nic_stats netxen_nic_gstrings_stats[] = { {"rcvd_bad_skb", NETXEN_NIC_STAT(stats.rcvdbadskb)}, {"xmit_called", NETXEN_NIC_STAT(stats.xmitcalled)}, @@ -111,9 +114,9 @@ netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { struct netxen_port *port = netdev_priv(dev); struct netxen_adapter *adapter = port->adapter; - uint32_t fw_major = 0; - uint32_t fw_minor = 0; - uint32_t fw_build = 0; + u32 fw_major = 0; + u32 fw_minor = 0; + u32 fw_build = 0; strncpy(drvinfo->driver, "netxen_nic", 32); strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32); @@ -136,6 +139,8 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) { struct netxen_port *port = netdev_priv(dev); struct netxen_adapter *adapter = port->adapter; + struct netxen_board_info *boardinfo; + boardinfo = &adapter->ahw.boardcfg; /* read which mode */ if (adapter->ahw.board_type == NETXEN_NIC_GBE) { @@ -144,16 +149,12 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Half | - SUPPORTED_1000baseT_Full | - SUPPORTED_TP | - SUPPORTED_MII | SUPPORTED_Autoneg); + SUPPORTED_1000baseT_Full); ecmd->advertising = (ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full | - ADVERTISED_TP | - ADVERTISED_MII | ADVERTISED_Autoneg); + ADVERTISED_1000baseT_Full); ecmd->port = PORT_TP; @@ -162,16 +163,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) ecmd->duplex = port->link_duplex; } else return -EIO; /* link absent */ - - ecmd->phy_address = port->portnum; - ecmd->transceiver = XCVR_EXTERNAL; - - /* get autoneg settings */ - ecmd->autoneg = port->link_autoneg; - return 0; - } - - if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { + } else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { ecmd->supported = (SUPPORTED_TP | SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full); @@ -182,13 +174,47 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) ecmd->speed = SPEED_10000; ecmd->duplex = DUPLEX_FULL; - ecmd->phy_address = port->portnum; - ecmd->transceiver = XCVR_EXTERNAL; ecmd->autoneg = AUTONEG_DISABLE; - return 0; + } else + return -EIO; + + ecmd->phy_address = port->portnum; + ecmd->transceiver = XCVR_EXTERNAL; + + switch ((netxen_brdtype_t) boardinfo->board_type) { + case NETXEN_BRDTYPE_P2_SB35_4G: + case NETXEN_BRDTYPE_P2_SB31_2G: + ecmd->supported |= SUPPORTED_Autoneg; + ecmd->advertising |= ADVERTISED_Autoneg; + case NETXEN_BRDTYPE_P2_SB31_10G_CX4: + ecmd->supported |= SUPPORTED_TP; + ecmd->advertising |= ADVERTISED_TP; + ecmd->port = PORT_TP; + ecmd->autoneg = (boardinfo->board_type == + NETXEN_BRDTYPE_P2_SB31_10G_CX4) ? + (AUTONEG_DISABLE) : (port->link_autoneg); + break; + case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: + ecmd->supported |= SUPPORTED_MII; + ecmd->advertising |= ADVERTISED_MII; + ecmd->port = PORT_FIBRE; + ecmd->autoneg = AUTONEG_DISABLE; + break; + case NETXEN_BRDTYPE_P2_SB31_10G: + ecmd->supported |= SUPPORTED_FIBRE; + ecmd->advertising |= ADVERTISED_FIBRE; + ecmd->port = PORT_FIBRE; + ecmd->autoneg = AUTONEG_DISABLE; + break; + default: + printk("ERROR: Unsupported board model %d\n", + (netxen_brdtype_t) boardinfo->board_type); + return -EIO; + } - return -EIO; + return 0; } static int @@ -371,7 +397,7 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) { /* GB: port specific registers */ if (mode == 0 && i >= 19) - window = port->portnum * 0x10000; + window = port->portnum * NETXEN_NIC_PORT_WINDOW; NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode]. reg[i - 3] + window, @@ -385,7 +411,8 @@ static void netxen_nic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC; - wol->wolopts = 0; /* options can be added depending upon the mode */ + /* options can be added depending upon the mode */ + wol->wolopts = 0; } static u32 netxen_nic_get_link(struct net_device *dev) @@ -531,9 +558,9 @@ static int netxen_nic_reg_test(struct net_device *dev) save = data_read; if (data_read) - data_written = data_read & 0xDEADBEEF; + data_written = data_read & NETXEN_NIC_INVALID_DATA; else - data_written = 0xDEADBEEF; + data_written = NETXEN_NIC_INVALID_DATA; netxen_nic_write_w0(adapter, NETXEN_NIU_GB_MII_MGMT_STATUS(port-> portnum), @@ -559,9 +586,9 @@ static int netxen_nic_reg_test(struct net_device *dev) save = data_read; if (data_read) - data_written = data_read & 0xDEADBEEF; + data_written = data_read & NETXEN_NIC_INVALID_DATA; else - data_written = 0xDEADBEEF; + data_written = NETXEN_NIC_INVALID_DATA; netxen_nic_write_w0(adapter, NETXEN_NIU_GB_MII_MGMT_INDICATE(port-> portnum), @@ -587,9 +614,9 @@ static int netxen_nic_reg_test(struct net_device *dev) save = data_read; if (data_read) - data_written = data_read & 0xDEADBEEF; + data_written = data_read & NETXEN_NIC_INVALID_DATA; else - data_written = 0xDEADBEEF; + data_written = NETXEN_NIC_INVALID_DATA; netxen_nic_write_w0(adapter, NETXEN_NIU_GB_INTERFACE_STATUS(port-> portnum), diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 83bf28b372a..72c6ec4ee2a 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -6,12 +6,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, @@ -397,6 +397,7 @@ enum { #define NETXEN_ROMUSB_ROM_INSTR_OPCODE (ROMUSB_ROM + 0x0004) #define NETXEN_ROMUSB_ROM_ADDRESS (ROMUSB_ROM + 0x0008) +#define NETXEN_ROMUSB_ROM_WDATA (ROMUSB_ROM + 0x000c) #define NETXEN_ROMUSB_ROM_ABYTE_CNT (ROMUSB_ROM + 0x0010) #define NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT (ROMUSB_ROM + 0x0014) #define NETXEN_ROMUSB_ROM_RDATA (ROMUSB_ROM + 0x0018) @@ -404,7 +405,29 @@ enum { /* Lock IDs for ROM lock */ #define ROM_LOCK_DRIVER 0x0d417340 -#define NETXEN_PCI_CRB_WINDOWSIZE 0x00100000 /* all are 1MB windows */ +/****************************************************************************** +* +* Definitions specific to M25P flash +* +******************************************************************************* +* Instructions +*/ +#define M25P_INSTR_WREN 0x06 +#define M25P_INSTR_WRDI 0x04 +#define M25P_INSTR_RDID 0x9f +#define M25P_INSTR_RDSR 0x05 +#define M25P_INSTR_WRSR 0x01 +#define M25P_INSTR_READ 0x03 +#define M25P_INSTR_FAST_READ 0x0b +#define M25P_INSTR_PP 0x02 +#define M25P_INSTR_SE 0xd8 +#define M25P_INSTR_BE 0xc7 +#define M25P_INSTR_DP 0xb9 +#define M25P_INSTR_RES 0xab + +/* all are 1MB windows */ + +#define NETXEN_PCI_CRB_WINDOWSIZE 0x00100000 #define NETXEN_PCI_CRB_WINDOW(A) \ (NETXEN_PCI_CRBSPACE + (A)*NETXEN_PCI_CRB_WINDOWSIZE) @@ -505,6 +528,12 @@ enum { #define NETXEN_NIU_XG_PAUSE_LEVEL (NETXEN_CRB_NIU + 0x000dc) #define NETXEN_NIU_XG_SEL (NETXEN_CRB_NIU + 0x00128) +#define NETXEN_NIU_FULL_LEVEL_XG (NETXEN_CRB_NIU + 0x00450) + +#define NETXEN_NIU_XG1_RESET (NETXEN_CRB_NIU + 0x0011c) +#define NETXEN_NIU_XG1_POWER_DOWN (NETXEN_CRB_NIU + 0x00120) +#define NETXEN_NIU_XG1_RESET_PLL (NETXEN_CRB_NIU + 0x00124) + #define NETXEN_MAC_ADDR_CNTL_REG (NETXEN_CRB_NIU + 0x1000) #define NETXEN_MULTICAST_ADDR_HI_0 (NETXEN_CRB_NIU + 0x1010) @@ -568,6 +597,29 @@ enum { #define NETXEN_NIU_XGE_REMOTE_ERROR_CNT (NETXEN_CRB_NIU + 0x70050) #define NETXEN_NIU_XGE_CONTROL_CHAR_CNT (NETXEN_CRB_NIU + 0x70054) #define NETXEN_NIU_XGE_PAUSE_FRAME_CNT (NETXEN_CRB_NIU + 0x70058) +#define NETXEN_NIU_XG1_CONFIG_0 (NETXEN_CRB_NIU + 0x80000) +#define NETXEN_NIU_XG1_CONFIG_1 (NETXEN_CRB_NIU + 0x80004) +#define NETXEN_NIU_XG1_IPG (NETXEN_CRB_NIU + 0x80008) +#define NETXEN_NIU_XG1_STATION_ADDR_0_HI (NETXEN_CRB_NIU + 0x8000c) +#define NETXEN_NIU_XG1_STATION_ADDR_0_1 (NETXEN_CRB_NIU + 0x80010) +#define NETXEN_NIU_XG1_STATION_ADDR_1_LO (NETXEN_CRB_NIU + 0x80014) +#define NETXEN_NIU_XG1_STATUS (NETXEN_CRB_NIU + 0x80018) +#define NETXEN_NIU_XG1_MAX_FRAME_SIZE (NETXEN_CRB_NIU + 0x8001c) +#define NETXEN_NIU_XG1_PAUSE_FRAME_VALUE (NETXEN_CRB_NIU + 0x80020) +#define NETXEN_NIU_XG1_TX_BYTE_CNT (NETXEN_CRB_NIU + 0x80024) +#define NETXEN_NIU_XG1_TX_FRAME_CNT (NETXEN_CRB_NIU + 0x80028) +#define NETXEN_NIU_XG1_RX_BYTE_CNT (NETXEN_CRB_NIU + 0x8002c) +#define NETXEN_NIU_XG1_RX_FRAME_CNT (NETXEN_CRB_NIU + 0x80030) +#define NETXEN_NIU_XG1_AGGR_ERROR_CNT (NETXEN_CRB_NIU + 0x80034) +#define NETXEN_NIU_XG1_MULTICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x80038) +#define NETXEN_NIU_XG1_UNICAST_FRAME_CNT (NETXEN_CRB_NIU + 0x8003c) +#define NETXEN_NIU_XG1_CRC_ERROR_CNT (NETXEN_CRB_NIU + 0x80040) +#define NETXEN_NIU_XG1_OVERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x80044) +#define NETXEN_NIU_XG1_UNDERSIZE_FRAME_ERR (NETXEN_CRB_NIU + 0x80048) +#define NETXEN_NIU_XG1_LOCAL_ERROR_CNT (NETXEN_CRB_NIU + 0x8004c) +#define NETXEN_NIU_XG1_REMOTE_ERROR_CNT (NETXEN_CRB_NIU + 0x80050) +#define NETXEN_NIU_XG1_CONTROL_CHAR_CNT (NETXEN_CRB_NIU + 0x80054) +#define NETXEN_NIU_XG1_PAUSE_FRAME_CNT (NETXEN_CRB_NIU + 0x80058) /* XG Link status */ #define XG_LINK_UP 0x10 @@ -580,8 +632,15 @@ enum { #define NETXEN_FW_VERSION_SUB (NETXEN_CAM_RAM(0x158)) #define NETXEN_ROM_LOCK_ID (NETXEN_CAM_RAM(0x100)) -#define PCIX_PS_OP_ADDR_LO (0x10000) /* Used for PS PCI Memory access */ -#define PCIX_PS_OP_ADDR_HI (0x10004) /* via CRB (PS side only) */ +#define NETXEN_PHY_LOCK_ID (NETXEN_CAM_RAM(0x120)) + +/* Lock IDs for PHY lock */ +#define PHY_LOCK_DRIVER 0x44524956 + +/* Used for PS PCI Memory access */ +#define PCIX_PS_OP_ADDR_LO (0x10000) +/* via CRB (PS side only) */ +#define PCIX_PS_OP_ADDR_HI (0x10004) #define PCIX_INT_VECTOR (0x10100) #define PCIX_INT_MASK (0x10104) @@ -609,6 +668,8 @@ enum { #define PCIE_SEM2_LOCK (0x1c010) /* Flash lock */ #define PCIE_SEM2_UNLOCK (0x1c014) /* Flash unlock */ +#define PCIE_SEM3_LOCK (0x1c018) /* Phy lock */ +#define PCIE_SEM3_UNLOCK (0x1c01c) /* Phy unlock */ #define PCIE_TGT_SPLIT_CHICKEN (0x12080) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 9603c635b05..99e647a5ae7 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -6,12 +6,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, @@ -43,15 +43,26 @@ #define NETXEN_FLASH_BASE (BOOTLD_START) #define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) #define NETXEN_MAX_MTU 8000 -#define NETXEN_MIN_MTU 64 +#define NETXEN_MIN_MTU 64 #define NETXEN_ETH_FCS_SIZE 4 #define NETXEN_ENET_HEADER_SIZE 14 -#define NETXEN_WINDOW_ONE 0x2000000 /* CRB Window: bit 25 of CRB address */ +#define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */ #define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4) #define NETXEN_NIU_HDRSIZE (0x1 << 6) #define NETXEN_NIU_TLRSIZE (0x1 << 5) -unsigned long netxen_nic_pci_set_window(void __iomem * pci_base, +#define lower32(x) ((u32)((x) & 0xffffffff)) +#define upper32(x) \ + ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff)) + +#define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL +#define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL +#define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL +#define NETXEN_NIC_EPG_PAUSE_ADDR2 0x0100088866554433ULL + +#define NETXEN_NIC_WINDOW_MARGIN 0x100000 + +unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter, unsigned long long addr); void netxen_free_hw_resources(struct netxen_adapter *adapter); @@ -93,7 +104,9 @@ void netxen_nic_set_multi(struct net_device *netdev) port->portnum, NETXEN_NIU_PROMISC_MODE); } else { - if (adapter->ops->unset_promisc) + if (adapter->ops->unset_promisc && + adapter->ahw.boardcfg.board_type + != NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) adapter->ops->unset_promisc(adapter, port->portnum, NETXEN_NIU_NON_PROMISC_MODE); @@ -161,26 +174,24 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu) int netxen_nic_hw_resources(struct netxen_adapter *adapter) { struct netxen_hardware_context *hw = &adapter->ahw; - int i; u32 state = 0; void *addr; + void *pause_addr; int loops = 0, err = 0; int ctx, ring; u32 card_cmdring = 0; struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; - struct cmd_desc_type0 *pcmd; - DPRINTK(INFO, "pci_base: %lx\n", adapter->ahw.pci_base); DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE, - adapter->ahw.pci_base + NETXEN_PCI_CRBSPACE); + PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE)); DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM, - adapter->ahw.pci_base + NETXEN_CRB_CAM); + pci_base_offset(adapter, NETXEN_CRB_CAM)); DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE, - adapter->ahw.pci_base + NETXEN_CAM_RAM_BASE); + pci_base_offset(adapter, NETXEN_CAM_RAM_BASE)); DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1, - adapter->ahw.pci_base + NIC_CRB_BASE_PORT1); + pci_base_offset(adapter, NIC_CRB_BASE_PORT1)); /* Window 1 call */ card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING)); @@ -214,25 +225,34 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) } DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n"); - addr = pci_alloc_consistent(adapter->ahw.pdev, - sizeof(struct cmd_desc_type0) * - adapter->max_tx_desc_count, - &hw->cmd_desc_phys_addr); + addr = netxen_alloc(adapter->ahw.pdev, + sizeof(struct cmd_desc_type0) * + adapter->max_tx_desc_count, + &hw->cmd_desc_phys_addr, &hw->cmd_desc_pdev); + if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); - err = -ENOMEM; - return err; + return -ENOMEM; + } + + pause_addr = netxen_alloc(adapter->ahw.pdev, 512, + (dma_addr_t *) & hw->pause_physaddr, + &hw->pause_pdev); + if (pause_addr == NULL) { + DPRINTK(1, ERR, "bad return from pci_alloc_consistent\n"); + return -ENOMEM; } - /* we need to prelink all of the cmd descriptors */ - pcmd = (struct cmd_desc_type0 *)addr; - for (i = 1; i < adapter->max_tx_desc_count; i++) { - pcmd->netxen_next = - (card_cmdring + i * sizeof(struct cmd_desc_type0)); - pcmd++; + hw->pauseaddr = (char *)pause_addr; + { + u64 *ptr = (u64 *) pause_addr; + *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; + *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; + *ptr++ = NETXEN_NIC_UNIT_PAUSE_ADDR; + *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; + *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR1; + *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR2; } - /* fill in last link (point to first) */ - pcmd->netxen_next = card_cmdring; hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; @@ -241,9 +261,10 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { rcv_desc = &recv_ctx->rcv_desc[ring]; - addr = pci_alloc_consistent(adapter->ahw.pdev, - RCV_DESC_RINGSIZE, - &rcv_desc->phys_addr); + addr = netxen_alloc(adapter->ahw.pdev, + RCV_DESC_RINGSIZE, + &rcv_desc->phys_addr, + &rcv_desc->phys_pdev); if (addr == NULL) { DPRINTK(ERR, "bad return from " "pci_alloc_consistent\n"); @@ -254,10 +275,11 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) rcv_desc->desc_head = (struct rcv_desc *)addr; } - addr = pci_alloc_consistent(adapter->ahw.pdev, - STATUS_DESC_RINGSIZE, - &recv_ctx-> - rcv_status_desc_phys_addr); + addr = netxen_alloc(adapter->ahw.pdev, + STATUS_DESC_RINGSIZE, + &recv_ctx-> + rcv_status_desc_phys_addr, + &recv_ctx->rcv_status_desc_pdev); if (addr == NULL) { DPRINTK(ERR, "bad return from" " pci_alloc_consistent\n"); @@ -273,19 +295,20 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n", ring, rcv_desc_crb->crb_globalrcv_ring); /* Window = 1 */ - writel(rcv_desc->phys_addr, + writel(lower32(rcv_desc->phys_addr), NETXEN_CRB_NORMALIZE(adapter, rcv_desc_crb-> crb_globalrcv_ring)); DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x" - " val 0x%x," + " val 0x%llx," " virt %p\n", ctx, rcv_desc_crb->crb_globalrcv_ring, - rcv_desc->phys_addr, rcv_desc->desc_head); + (unsigned long long)rcv_desc->phys_addr, + +rcv_desc->desc_head); } /* Window = 1 */ - writel(recv_ctx->rcv_status_desc_phys_addr, + writel(lower32(recv_ctx->rcv_status_desc_phys_addr), NETXEN_CRB_NORMALIZE(adapter, recv_crb_registers[ctx]. crb_rcvstatus_ring)); @@ -293,13 +316,19 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) " val 0x%x,virt%p\n", ctx, recv_crb_registers[ctx].crb_rcvstatus_ring, - recv_ctx->rcv_status_desc_phys_addr, + (unsigned long long)recv_ctx->rcv_status_desc_phys_addr, recv_ctx->rcv_status_desc_head); } /* Window = 1 */ - writel(hw->cmd_desc_phys_addr, - NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + writel(lower32(hw->pause_physaddr), + NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_LO)); + writel(upper32(hw->pause_physaddr), + NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_HI)); + writel(lower32(hw->cmd_desc_phys_addr), + NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + writel(upper32(hw->cmd_desc_phys_addr), + NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_HI)); return err; } @@ -310,13 +339,19 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) int ctx, ring; if (adapter->ahw.cmd_desc_head != NULL) { - pci_free_consistent(adapter->ahw.pdev, + pci_free_consistent(adapter->ahw.cmd_desc_pdev, sizeof(struct cmd_desc_type0) * adapter->max_tx_desc_count, adapter->ahw.cmd_desc_head, adapter->ahw.cmd_desc_phys_addr); adapter->ahw.cmd_desc_head = NULL; } + if (adapter->ahw.pauseaddr != NULL) { + pci_free_consistent(adapter->ahw.pause_pdev, 512, + adapter->ahw.pauseaddr, + adapter->ahw.pause_physaddr); + adapter->ahw.pauseaddr = NULL; + } for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { recv_ctx = &adapter->recv_ctx[ctx]; @@ -324,7 +359,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) rcv_desc = &recv_ctx->rcv_desc[ring]; if (rcv_desc->desc_head != NULL) { - pci_free_consistent(adapter->ahw.pdev, + pci_free_consistent(rcv_desc->phys_pdev, RCV_DESC_RINGSIZE, rcv_desc->desc_head, rcv_desc->phys_addr); @@ -333,7 +368,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) } if (recv_ctx->rcv_status_desc_head != NULL) { - pci_free_consistent(adapter->ahw.pdev, + pci_free_consistent(recv_ctx->rcv_status_desc_pdev, STATUS_DESC_RINGSIZE, recv_ctx->rcv_status_desc_head, recv_ctx-> @@ -360,10 +395,10 @@ void netxen_tso_check(struct netxen_adapter *adapter, return; } } + adapter->stats.xmitcsummed++; CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data); desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr); desc->ip_hdr_offset = skb->nh.raw - skb->data; - adapter->stats.xmitcsummed++; } int netxen_is_flash_supported(struct netxen_adapter *adapter) @@ -373,7 +408,7 @@ int netxen_is_flash_supported(struct netxen_adapter *adapter) /* if the flash size less than 4Mb, make huge war cry and die */ for (j = 1; j < 4; j++) { - addr = j * 0x100000; + addr = j * NETXEN_NIC_WINDOW_MARGIN; for (i = 0; i < (sizeof(locs) / sizeof(locs[0])); i++) { if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0 && netxen_rom_fast_read(adapter, (addr + locs[i]), @@ -458,7 +493,9 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw) * register address is received by PCI. The direct region bypasses * the CRB bus. */ - offset = adapter->ahw.pci_base + NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW); + offset = + PCI_OFFSET_SECOND_RANGE(adapter, + NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW)); if (wndw & 0x1) wndw = NETXEN_WINDOW_ONE; @@ -497,8 +534,8 @@ void netxen_load_firmware(struct netxen_adapter *adapter) "loading flash image\n"); return; } - off = netxen_nic_pci_set_window(adapter->ahw.pci_base, memaddr); - addr = (adapter->ahw.pci_base + off); + off = netxen_nic_pci_set_window(adapter, memaddr); + addr = pci_base_offset(adapter, off); writel(data, addr); flashaddr += 4; memaddr += 4; @@ -521,14 +558,19 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, if (ADDR_IN_WINDOW1(off)) { addr = NETXEN_CRB_NORMALIZE(adapter, off); } else { /* Window 0 */ - addr = adapter->ahw.pci_base + off; + addr = pci_base_offset(adapter, off); netxen_nic_pci_change_crbwindow(adapter, 0); } DPRINTK(INFO, "writing to base %lx offset %llx addr %p" " data %llx len %d\n", - adapter->ahw.pci_base, off, addr, + pci_base(adapter, off), off, addr, *(unsigned long long *)data, len); + if (!addr) { + netxen_nic_pci_change_crbwindow(adapter, 1); + return 1; + } + switch (len) { case 1: writeb(*(u8 *) data, addr); @@ -566,12 +608,16 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ addr = NETXEN_CRB_NORMALIZE(adapter, off); } else { /* Window 0 */ - addr = adapter->ahw.pci_base + off; + addr = pci_base_offset(adapter, off); netxen_nic_pci_change_crbwindow(adapter, 0); } DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", - adapter->ahw.pci_base, off, addr); + pci_base(adapter, off), off, addr); + if (!addr) { + netxen_nic_pci_change_crbwindow(adapter, 1); + return 1; + } switch (len) { case 1: *(u8 *) data = readb(addr); @@ -604,7 +650,7 @@ void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val) addr = NETXEN_CRB_NORMALIZE(adapter, off); DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n", - adapter->ahw.pci_base, off, addr, val); + pci_base(adapter, off), off, addr); writel(val, addr); } @@ -629,7 +675,7 @@ void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value) void __iomem *addr; netxen_nic_pci_change_crbwindow(adapter, 0); - addr = (void __iomem *)(adapter->ahw.pci_base + index); + addr = (void __iomem *)(pci_base_offset(adapter, index)); writel(value, addr); netxen_nic_pci_change_crbwindow(adapter, 1); } @@ -639,7 +685,7 @@ void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value) { void __iomem *addr; - addr = (void __iomem *)(adapter->ahw.pci_base + index); + addr = (void __iomem *)(pci_base_offset(adapter, index)); netxen_nic_pci_change_crbwindow(adapter, 0); *value = readl(addr); @@ -649,7 +695,8 @@ void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value) int netxen_pci_set_window_warning_count = 0; unsigned long -netxen_nic_pci_set_window(void __iomem * pci_base, unsigned long long addr) +netxen_nic_pci_set_window(struct netxen_adapter *adapter, + unsigned long long addr) { static int ddr_mn_window = -1; static int qdr_sn_window = -1; @@ -661,12 +708,15 @@ netxen_nic_pci_set_window(void __iomem * pci_base, unsigned long long addr) window = (addr >> 25) & 0x3ff; if (ddr_mn_window != window) { ddr_mn_window = window; - writel(window, pci_base + - NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW)); + writel(window, PCI_OFFSET_SECOND_RANGE(adapter, + NETXEN_PCIX_PH_REG + (PCIX_MN_WINDOW))); /* MUST make sure window is set before we forge on... */ - readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_MN_WINDOW)); + readl(PCI_OFFSET_SECOND_RANGE(adapter, + NETXEN_PCIX_PH_REG + (PCIX_MN_WINDOW))); } - addr -= (window * 0x2000000); + addr -= (window * NETXEN_WINDOW_ONE); addr += NETXEN_PCI_DDR_NET; } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { addr -= NETXEN_ADDR_OCM0; @@ -682,10 +732,14 @@ netxen_nic_pci_set_window(void __iomem * pci_base, unsigned long long addr) window = (addr >> 22) & 0x3f; if (qdr_sn_window != window) { qdr_sn_window = window; - writel((window << 22), pci_base + - NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW)); + writel((window << 22), + PCI_OFFSET_SECOND_RANGE(adapter, + NETXEN_PCIX_PH_REG + (PCIX_SN_WINDOW))); /* MUST make sure window is set before we forge on... */ - readl(pci_base + NETXEN_PCIX_PH_REG(PCIX_SN_WINDOW)); + readl(PCI_OFFSET_SECOND_RANGE(adapter, + NETXEN_PCIX_PH_REG + (PCIX_SN_WINDOW))); } addr -= (window * 0x400000); addr += NETXEN_PCI_QDR_NET; @@ -811,7 +865,7 @@ netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, writel(data, NETXEN_CRB_NORMALIZE(adapter, off)); } else { netxen_nic_pci_change_crbwindow(adapter, 0); - addr = (void __iomem *)(adapter->ahw.pci_base + off); + addr = (void __iomem *)(pci_base_offset(adapter, off)); writel(data, addr); netxen_nic_pci_change_crbwindow(adapter, 1); } @@ -879,6 +933,10 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) u32 fw_major = 0; u32 fw_minor = 0; u32 fw_build = 0; + char brd_name[NETXEN_MAX_SHORT_NAME]; + struct netxen_new_user_info user_info; + int i, addr = USER_START; + u32 *ptr32; struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); if (board_info->magic != NETXEN_BDINFO_MAGIC) { @@ -894,6 +952,24 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) valid = 0; } if (valid) { + ptr32 = (u32 *) & user_info; + for (i = 0; + i < sizeof(struct netxen_new_user_info) / sizeof(u32); + i++) { + if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { + printk("%s: ERROR reading %s board userarea.\n", + netxen_nic_driver_name, + netxen_nic_driver_name); + return; + } + ptr32++; + addr += sizeof(u32); + } + get_brd_name_by_type(board_info->board_type, brd_name); + + printk("NetXen %s Board S/N %s Chip id 0x%x\n", + brd_name, user_info.serial_num, board_info->chip_id); + printk("NetXen %s Board #%d, Chip id 0x%x\n", board_info->board_type == 0x0b ? "XGB" : "GBE", board_info->board_num, board_info->chip_id); diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h index fb1a0253863..201a636b7ab 100644 --- a/drivers/net/netxen/netxen_nic_hw.h +++ b/drivers/net/netxen/netxen_nic_hw.h @@ -82,9 +82,9 @@ struct netxen_adapter; #define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20) -#define NETXEN_NIC_LOCKED_READ_REG(X, Y) \ - addr = (adapter->ahw.pci_base + X); \ - *(u32 *)Y = readl((void __iomem*) addr); +#define NETXEN_NIC_LOCKED_READ_REG(X, Y) \ + addr = pci_base_offset(adapter, (X)); \ + *(u32 *)Y = readl(addr); struct netxen_port; void netxen_nic_set_link_parameters(struct netxen_port *port); @@ -472,6 +472,8 @@ int netxen_niu_xg_macaddr_set(struct netxen_port *port, /* Generic enable for GbE ports. Will detect the speed of the link. */ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port); +int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port); + /* Disable a GbE interface */ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port); diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index d122e51e43a..0dca029bc3e 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -51,11 +51,13 @@ static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM]; crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \ NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20 +#define NETXEN_NIC_XDMA_RESET 0x8000ff + static inline void netxen_nic_locked_write_reg(struct netxen_adapter *adapter, unsigned long off, int *data) { - void __iomem *addr = (adapter->ahw.pci_base + off); + void __iomem *addr = pci_base_offset(adapter, off); writel(*data, addr); } @@ -141,6 +143,24 @@ int netxen_init_firmware(struct netxen_adapter *adapter) return err; } +#define NETXEN_ADDR_LIMIT 0xffffffffULL + +void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, + struct pci_dev **used_dev) +{ + void *addr; + + addr = pci_alloc_consistent(pdev, sz, ptr); + if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) { + *used_dev = pdev; + return addr; + } + pci_free_consistent(pdev, sz, addr, *ptr); + addr = pci_alloc_consistent(NULL, sz, ptr); + *used_dev = NULL; + return addr; +} + void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) { int ctxid, ring; @@ -177,23 +197,17 @@ void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) void netxen_initialize_adapter_hw(struct netxen_adapter *adapter) { + int ports = 0; + struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); + if (netxen_nic_get_board_info(adapter) != 0) printk("%s: Error getting board config info.\n", netxen_nic_driver_name); - - switch (adapter->ahw.board_type) { - case NETXEN_NIC_GBE: - adapter->ahw.max_ports = 4; - break; - - case NETXEN_NIC_XGBE: - adapter->ahw.max_ports = 1; - break; - - default: + get_brd_port_by_type(board_info->board_type, &ports); + if (ports == 0) printk(KERN_ERR "%s: Unknown board type\n", netxen_nic_driver_name); - } + adapter->ahw.max_ports = ports; } void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) @@ -225,6 +239,7 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr; ops->macaddr_set = netxen_niu_xg_macaddr_set; ops->set_mtu = netxen_nic_set_mtu_xgb; + ops->init_port = netxen_niu_xg_init_port; ops->set_promisc = netxen_niu_xg_set_promiscuous_mode; ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode; ops->stop_port = netxen_niu_disable_xg_port; @@ -295,15 +310,6 @@ static inline int rom_lock(struct netxen_adapter *adapter) return 0; } -static inline void rom_unlock(struct netxen_adapter *adapter) -{ - u32 val; - - /* release semaphore2 */ - netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val); - -} - int netxen_wait_rom_done(struct netxen_adapter *adapter) { long timeout = 0; @@ -321,6 +327,81 @@ int netxen_wait_rom_done(struct netxen_adapter *adapter) return 0; } +static inline int netxen_rom_wren(struct netxen_adapter *adapter) +{ + /* Set write enable latch in ROM status register */ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, + M25P_INSTR_WREN); + if (netxen_wait_rom_done(adapter)) { + return -1; + } + return 0; +} + +static inline unsigned int netxen_rdcrbreg(struct netxen_adapter *adapter, + unsigned int addr) +{ + unsigned int data = 0xdeaddead; + data = netxen_nic_reg_read(adapter, addr); + return data; +} + +static inline int netxen_do_rom_rdsr(struct netxen_adapter *adapter) +{ + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, + M25P_INSTR_RDSR); + if (netxen_wait_rom_done(adapter)) { + return -1; + } + return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA); +} + +static inline void netxen_rom_unlock(struct netxen_adapter *adapter) +{ + u32 val; + + /* release semaphore2 */ + netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val); + +} + +int netxen_rom_wip_poll(struct netxen_adapter *adapter) +{ + long timeout = 0; + long wip = 1; + int val; + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); + while (wip != 0) { + val = netxen_do_rom_rdsr(adapter); + wip = val & 1; + timeout++; + if (timeout > rom_max_timeout) { + return -1; + } + } + return 0; +} + +static inline int do_rom_fast_write(struct netxen_adapter *adapter, + int addr, int data) +{ + if (netxen_rom_wren(adapter)) { + return -1; + } + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_WDATA, data); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, + M25P_INSTR_PP); + if (netxen_wait_rom_done(adapter)) { + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); + return -1; + } + + return netxen_rom_wip_poll(adapter); +} + static inline int do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) { @@ -350,7 +431,43 @@ int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) return -EIO; ret = do_rom_fast_read(adapter, addr, valp); - rom_unlock(adapter); + netxen_rom_unlock(adapter); + return ret; +} + +int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data) +{ + int ret = 0; + + if (rom_lock(adapter) != 0) { + return -1; + } + ret = do_rom_fast_write(adapter, addr, data); + netxen_rom_unlock(adapter); + return ret; +} +int netxen_do_rom_se(struct netxen_adapter *adapter, int addr) +{ + netxen_rom_wren(adapter); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3); + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, + M25P_INSTR_SE); + if (netxen_wait_rom_done(adapter)) { + netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); + return -1; + } + return netxen_rom_wip_poll(adapter); +} + +int netxen_rom_se(struct netxen_adapter *adapter, int addr) +{ + int ret = 0; + if (rom_lock(adapter) != 0) { + return -1; + } + ret = netxen_do_rom_se(adapter, addr); + netxen_rom_unlock(adapter); return ret; } @@ -372,7 +489,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) /* resetall */ status = netxen_nic_get_board_info(adapter); if (status) - printk("%s: pinit_from_rom: Error getting board info\n", + printk("%s: netxen_pinit_from_rom: Error getting board info\n", netxen_nic_driver_name); netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, @@ -408,8 +525,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) } buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); if (buf == NULL) { - printk("%s: pinit_from_rom: Unable to calloc memory.\n", - netxen_nic_driver_name); + printk("%s: netxen_pinit_from_rom: Unable to calloc " + "memory.\n", netxen_nic_driver_name); return -ENOMEM; } for (i = 0; i < n; i++) { @@ -441,7 +558,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) if (off == NETXEN_ROMUSB_GLB_SW_RESET) { init_delay = 1; /* hold xdma in reset also */ - buf[i].data = 0x8000ff; + buf[i].data = NETXEN_NIC_XDMA_RESET; } if (ADDR_IN_WINDOW1(off)) { @@ -450,7 +567,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) } else { netxen_nic_pci_change_crbwindow(adapter, 0); writel(buf[i].data, - adapter->ahw.pci_base + off); + pci_base_offset(adapter, off)); netxen_nic_pci_change_crbwindow(adapter, 1); } @@ -505,18 +622,15 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) return 0; } -void netxen_phantom_init(struct netxen_adapter *adapter) +void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) { u32 val = 0; int loops = 0; - netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, &val, 4); - writel(1, - NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE)); - - if (0 == val) { + if (!pegtune_val) { while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) { udelay(100); + schedule(); val = readl(NETXEN_CRB_NORMALIZE (adapter, CRB_CMDPEG_STATE)); @@ -536,7 +650,7 @@ int netxen_nic_rx_has_work(struct netxen_adapter *adapter) &(adapter->recv_ctx[ctx]); u32 consumer; struct status_desc *desc_head; - struct status_desc *desc; /* used to read status desc here */ + struct status_desc *desc; consumer = recv_ctx->status_rx_consumer; desc_head = recv_ctx->rcv_status_desc_head; @@ -549,6 +663,53 @@ int netxen_nic_rx_has_work(struct netxen_adapter *adapter) return 0; } +static inline int netxen_nic_check_temp(struct netxen_adapter *adapter) +{ + int port_num; + struct netxen_port *port; + struct net_device *netdev; + uint32_t temp, temp_state, temp_val; + int rv = 0; + + temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE)); + + temp_state = nx_get_temp_state(temp); + temp_val = nx_get_temp_val(temp); + + if (temp_state == NX_TEMP_PANIC) { + printk(KERN_ALERT + "%s: Device temperature %d degrees C exceeds" + " maximum allowed. Hardware has been shut down.\n", + netxen_nic_driver_name, temp_val); + for (port_num = 0; port_num < adapter->ahw.max_ports; + port_num++) { + port = adapter->port[port_num]; + netdev = port->netdev; + + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + rv = 1; + } else if (temp_state == NX_TEMP_WARN) { + if (adapter->temp == NX_TEMP_NORMAL) { + printk(KERN_ALERT + "%s: Device temperature %d degrees C " + "exceeds operating range." + " Immediate action needed.\n", + netxen_nic_driver_name, temp_val); + } + } else { + if (adapter->temp == NX_TEMP_WARN) { + printk(KERN_INFO + "%s: Device temperature is now %d degrees C" + " in normal range.\n", netxen_nic_driver_name, + temp_val); + } + } + adapter->temp = temp_state; + return rv; +} + void netxen_watchdog_task(unsigned long v) { int port_num; @@ -556,6 +717,9 @@ void netxen_watchdog_task(unsigned long v) struct net_device *netdev; struct netxen_adapter *adapter = (struct netxen_adapter *)v; + if (netxen_nic_check_temp(adapter)) + return; + for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) { port = adapter->port[port_num]; netdev = port->netdev; @@ -570,8 +734,6 @@ void netxen_watchdog_task(unsigned long v) netif_wake_queue(netdev); } - netxen_nic_pci_change_crbwindow(adapter, 1); - if (adapter->ops->handle_phy_intr) adapter->ops->handle_phy_intr(adapter); mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); @@ -742,7 +904,6 @@ void netxen_process_cmd_ring(unsigned long data) * number as part of the descriptor. This way we will be able to get * the netdev which is associated with that device. */ - /* Window = 1 */ consumer = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); @@ -861,7 +1022,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) * We need to schedule the posting of buffers to the pegs. */ rcv_desc->begin_alloc = index; - DPRINTK(ERR, "unm_post_rx_buffers: " + DPRINTK(ERR, "netxen_post_rx_buffers: " " allocated only %d buffers\n", count); break; } diff --git a/drivers/net/netxen/netxen_nic_ioctl.h b/drivers/net/netxen/netxen_nic_ioctl.h index 806818eb963..23e53adbf12 100644 --- a/drivers/net/netxen/netxen_nic_ioctl.h +++ b/drivers/net/netxen/netxen_nic_ioctl.h @@ -6,12 +6,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, @@ -32,9 +32,11 @@ #include -#define NETXEN_CMD_START SIOCDEVPRIVATE -#define NETXEN_NIC_CMD (NETXEN_CMD_START + 1) -#define NETXEN_NIC_NAME (NETXEN_CMD_START + 2) +#define NETXEN_CMD_START SIOCDEVPRIVATE +#define NETXEN_NIC_CMD (NETXEN_CMD_START + 1) +#define NETXEN_NIC_NAME (NETXEN_CMD_START + 2) +#define NETXEN_NIC_NAME_LEN 16 +#define NETXEN_NIC_NAME_RSP "NETXEN" typedef enum { netxen_nic_cmd_none = 0, diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c index f1c3e5af03a..ae180fee800 100644 --- a/drivers/net/netxen/netxen_nic_isr.c +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -149,47 +149,41 @@ void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno, void netxen_nic_isr_other(struct netxen_adapter *adapter) { - u32 enable, portno; - u32 i2qhi; - - /* - * bit 3 is for i2qInt, if high its enabled - * check for phy interrupts - * read vector and check for bit 45 for phy - * clear int by writing the same value into ISR_INT_VECTOR REG - */ - - DPRINTK(INFO, "I2Q is the source of INT \n"); + u32 portno; + u32 val, linkup, qg_linksup; /* verify the offset */ - i2qhi = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI)); - - DPRINTK(INFO, "isr NETXEN_I2Q_CLR_PCI_HI = 0x%x \n", i2qhi); + val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); + if (val == adapter->ahw.qg_linksup) + return; - if (i2qhi & 0x4000) { - for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) { - DPRINTK(INFO, "External PHY interrupt ON PORT %d\n", - portno); + qg_linksup = adapter->ahw.qg_linksup; + adapter->ahw.qg_linksup = val; + DPRINTK(1, INFO, "%s: link update 0x%08x\n", netxen_nic_driver_name, + val); + for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) { + linkup = val & 1; + if (linkup != (qg_linksup & 1)) { + printk(KERN_INFO "%s: PORT %d link %s\n", + netxen_nic_driver_name, portno, + ((linkup == 0) ? "down" : "up")); + netxen_indicate_link_status(adapter, portno, linkup); + if (linkup) + netxen_nic_set_link_parameters(adapter-> + port[portno]); - enable = 1; - netxen_handle_port_int(adapter, portno, enable); } + val = val >> 1; + qg_linksup = qg_linksup >> 1; + } - /* Clear the interrupt on I2Q */ - writel((u32) i2qhi, - NETXEN_CRB_NORMALIZE(adapter, NETXEN_I2Q_CLR_PCI_HI)); + adapter->stats.otherints++; - } } void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter) { - u32 val; - val = readl(NETXEN_CRB_NORMALIZE(adapter, ISR_INT_VECTOR)); - if (val & 0x4) { - adapter->stats.otherints++; - netxen_nic_isr_other(adapter); - } + netxen_nic_isr_other(adapter); } void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter) diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index ffd272c93a6..cd1336e899b 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -31,6 +31,7 @@ * */ +#include #include "netxen_nic_hw.h" #include "netxen_nic.h" @@ -41,16 +42,19 @@ #include #include +#define PHAN_VENDOR_ID 0x4040 + MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); char netxen_nic_driver_name[] = "netxen"; static char netxen_nic_driver_string[] = "NetXen Network Driver version " - NETXEN_NIC_LINUX_VERSIONID "-" NETXEN_NIC_BUILD_NO; + NETXEN_NIC_LINUX_VERSIONID; #define NETXEN_NETDEV_WEIGHT 120 #define NETXEN_ADAPTER_UP_MAGIC 777 +#define NETXEN_NIC_PEG_TUNE 0 /* Local functions to NetXen NIC driver */ static int __devinit netxen_nic_probe(struct pci_dev *pdev, @@ -101,7 +105,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct net_device *netdev = NULL; struct netxen_adapter *adapter = NULL; struct netxen_port *port = NULL; - u8 __iomem *mem_ptr = NULL; + u8 *mem_ptr0 = NULL; + u8 *mem_ptr1 = NULL; + u8 *mem_ptr2 = NULL; + unsigned long mem_base, mem_len; int pci_using_dac, i, err; int ring; @@ -111,6 +118,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) u64 mac_addr[FLASH_NUM_PORTS + 1]; int valid_mac; + printk(KERN_INFO "%s \n", netxen_nic_driver_string); if ((err = pci_enable_device(pdev))) return err; if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { @@ -138,11 +146,26 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) mem_len = pci_resource_len(pdev, 0); /* 128 Meg of memory */ - mem_ptr = ioremap(mem_base, NETXEN_PCI_MAPSIZE_BYTES); - if (mem_ptr == 0UL) { - printk(KERN_ERR "%s: Cannot ioremap adapter memory aborting." - ":%p\n", netxen_nic_driver_name, mem_ptr); + mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE); + mem_ptr1 = + ioremap(mem_base + SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_SIZE); + mem_ptr2 = + ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); + + if ((mem_ptr0 == 0UL) || (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) { + DPRINTK(1, ERR, + "Cannot remap adapter memory aborting.:" + "0 -> %p, 1 -> %p, 2 -> %p\n", + mem_ptr0, mem_ptr1, mem_ptr2); + err = -EIO; + if (mem_ptr0) + iounmap(mem_ptr0); + if (mem_ptr1) + iounmap(mem_ptr1); + if (mem_ptr2) + iounmap(mem_ptr2); + goto err_out_free_res; } @@ -221,9 +244,17 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } adapter->cmd_buf_arr = cmd_buf_arr; - adapter->ahw.pci_base = mem_ptr; + adapter->ahw.pci_base0 = mem_ptr0; + adapter->ahw.pci_base1 = mem_ptr1; + adapter->ahw.pci_base2 = mem_ptr2; spin_lock_init(&adapter->tx_lock); spin_lock_init(&adapter->lock); +#ifdef CONFIG_IA64 + netxen_pinit_from_rom(adapter, 0); + udelay(500); + netxen_load_firmware(adapter); +#endif + /* initialize the buffers in adapter */ netxen_initialize_adapter_sw(adapter); /* @@ -262,6 +293,20 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) else valid_mac = 0; + /* + * Initialize all the CRB registers here. + */ + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET)); + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); + writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + + /* Unlock the HW, prompting the boot sequence */ + writel(1, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE)); + + /* Handshake with the card before we register the devices. */ + netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); + /* initialize the all the ports */ for (i = 0; i < adapter->ahw.max_ports; i++) { @@ -351,15 +396,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->port[i] = port; } - /* - * Initialize all the CRB registers here. - */ - /* Window = 1 */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET)); - writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); - writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); - - netxen_phantom_init(adapter); /* * delay a while to ensure that the Pegs are up & running. * Otherwise, we might see some flaky behaviour. @@ -414,7 +450,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) kfree(adapter); err_out_iounmap: - iounmap(mem_ptr); + iounmap(mem_ptr0); + iounmap(mem_ptr1); + iounmap(mem_ptr2); + err_out_free_res: pci_release_regions(pdev); err_out_disable_pdev: @@ -460,7 +499,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) netxen_free_hw_resources(adapter); - iounmap(adapter->ahw.pci_base); + iounmap(adapter->ahw.pci_base0); + iounmap(adapter->ahw.pci_base1); + iounmap(adapter->ahw.pci_base2); pci_release_regions(pdev); pci_disable_device(pdev); @@ -496,7 +537,6 @@ static int netxen_nic_open(struct net_device *netdev) { struct netxen_port *port = netdev_priv(netdev); struct netxen_adapter *adapter = port->adapter; - struct netxen_rcv_desc_ctx *rcv_desc; int err = 0; int ctx, ring; @@ -527,11 +567,8 @@ static int netxen_nic_open(struct net_device *netdev) if (adapter->ops->init_niu) adapter->ops->init_niu(adapter); for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = - &adapter->recv_ctx[ctx].rcv_desc[ring]; + for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) netxen_post_rx_buffers(adapter, ctx, ring); - } } adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; } @@ -579,10 +616,6 @@ static int netxen_nic_close(struct net_device *netdev) netif_carrier_off(netdev); netif_stop_queue(netdev); - /* disable phy_ints */ - if (adapter->ops->disable_phy_interrupts) - adapter->ops->disable_phy_interrupts(adapter, port->portnum); - adapter->active_ports--; if (!adapter->active_ports) { @@ -690,13 +723,16 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) local_producer = adapter->cmd_producer; /* There 4 fragments per descriptor */ no_of_desc = (frag_count + 3) >> 2; - if (skb_shinfo(skb)->gso_size > 0) { - no_of_desc++; - if (((skb->nh.iph)->ihl * sizeof(u32)) + - ((skb->h.th)->doff * sizeof(u32)) + - sizeof(struct ethhdr) > - (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { + if (netdev->features & NETIF_F_TSO) { + if (skb_shinfo(skb)->gso_size > 0) { + no_of_desc++; + if (((skb->nh.iph)->ihl * sizeof(u32)) + + ((skb->h.th)->doff * sizeof(u32)) + + sizeof(struct ethhdr) > + (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { + no_of_desc++; + } } } k = adapter->cmd_producer; @@ -740,7 +776,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) memset(hwdesc, 0, sizeof(struct cmd_desc_type0)); /* Take skb->data itself */ pbuf = &adapter->cmd_buf_arr[producer]; - if (skb_shinfo(skb)->gso_size > 0) { + if ((netdev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size > 0) { pbuf->mss = skb_shinfo(skb)->gso_size; hwdesc->mss = skb_shinfo(skb)->gso_size; } else { @@ -934,9 +970,10 @@ netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) /* Window = 0 or 1 */ do { writel(0xffffffff, (void __iomem *) - (adapter->ahw.pci_base + ISR_INT_TARGET_STATUS)); + (PCI_OFFSET_SECOND_RANGE + (adapter, ISR_INT_TARGET_STATUS))); mask = readl((void __iomem *) - (adapter->ahw.pci_base + ISR_INT_VECTOR)); + pci_base_offset(adapter, ISR_INT_VECTOR)); } while (((mask & 0x80) != 0) && (++count < 32)); if ((mask & 0x80) != 0) printk("Could not disable interrupt completely\n"); @@ -1065,8 +1102,10 @@ static int netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { int err = 0; + unsigned long nr_bytes = 0; struct netxen_port *port = netdev_priv(netdev); struct netxen_adapter *adapter = port->adapter; + char dev_name[NETXEN_NIC_NAME_LEN]; DPRINTK(INFO, "doing ioctl for %s\n", netdev->name); switch (cmd) { @@ -1077,7 +1116,13 @@ netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) case NETXEN_NIC_NAME: DPRINTK(INFO, "ioctl cmd for NetXen\n"); if (ifr->ifr_data) { - put_user(port->portnum, (u16 __user *) ifr->ifr_data); + sprintf(dev_name, "%s-%d", NETXEN_NIC_NAME_RSP, + port->portnum); + nr_bytes = copy_to_user((char *)ifr->ifr_data, dev_name, + NETXEN_NIC_NAME_LEN); + if (nr_bytes) + err = -EIO; + } break; @@ -1101,8 +1146,6 @@ static struct pci_driver netxen_driver = { static int __init netxen_init_module(void) { - printk(KERN_INFO "%s \n", netxen_nic_driver_string); - return pci_module_init(&netxen_driver); } diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c index 6e421c876fe..7950a04532e 100644 --- a/drivers/net/netxen/netxen_nic_niu.c +++ b/drivers/net/netxen/netxen_nic_niu.c @@ -6,12 +6,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, @@ -32,19 +32,56 @@ */ #include "netxen_nic.h" -#include + +#define NETXEN_GB_MAC_SOFT_RESET 0x80000000 +#define NETXEN_GB_MAC_RESET_PROT_BLK 0x000F0000 +#define NETXEN_GB_MAC_ENABLE_TX_RX 0x00000005 +#define NETXEN_GB_MAC_PAUSED_FRMS 0x00000020 + +static long phy_lock_timeout = 100000000; + +static inline int phy_lock(void) +{ + int i; + int done = 0, timeout = 0; + + while (!done) { + done = readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_LOCK)); + if (done == 1) + break; + if (timeout >= phy_lock_timeout) { + return -1; + } + timeout++; + if (!in_atomic()) + schedule(); + else { + for (i = 0; i < 20; i++) + cpu_relax(); + } + } + + writel(NETXEN_PHY_LOCK_ID, (void __iomem *)PHY_LOCK_DRIVER); + return 0; +} + +static inline int phy_unlock(void) +{ + readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)); + return 0; +} /* * netxen_niu_gbe_phy_read - read a register from the GbE PHY via * mii management interface. * * Note: The MII management interface goes through port 0. - * Individual phys are addressed as follows: + * Individual phys are addressed as follows: * @param phy [15:8] phy id * @param reg [7:0] register number * * @returns 0 on success - * -1 on error + * -1 on error * */ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, @@ -56,10 +93,17 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, __le32 address; __le32 command; __le32 status; - __le32 mii_cfg; __le32 mac_cfg0; - /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ + if (phy_lock() != 0) { + return -1; + } + + /* + * MII mgmt all goes through port 0 MAC interface, + * so it cannot be in reset + */ + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), &mac_cfg0, 4)) return -EIO; @@ -77,18 +121,6 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, restore = 1; } - /* reset MII management interface */ - mii_cfg = 0; - netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); - netxen_gb_mii_mgmt_reset(mii_cfg); - if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), - &mii_cfg, 4)) - return -EIO; - netxen_gb_mii_mgmt_unset(mii_cfg); - if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), - &mii_cfg, 4)) - return -EIO; - address = 0; netxen_gb_mii_mgmt_reg_addr(address, reg); netxen_gb_mii_mgmt_phy_addr(address, phy); @@ -130,7 +162,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, NETXEN_NIU_GB_MAC_CONFIG_0(0), &mac_cfg0, 4)) return -EIO; - + phy_unlock(); return result; } @@ -139,12 +171,12 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, * mii management interface. * * Note: The MII management interface goes through port 0. - * Individual phys are addressed as follows: + * Individual phys are addressed as follows: * @param phy [15:8] phy id * @param reg [7:0] register number * * @returns 0 on success - * -1 on error + * -1 on error * */ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, @@ -158,7 +190,11 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, __le32 status; __le32 mac_cfg0; - /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ + /* + * MII mgmt all goes through port 0 MAC interface, so it + * cannot be in reset + */ + if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), &mac_cfg0, 4)) return -EIO; @@ -382,14 +418,23 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) } } else { - /* We don't have link. Cable must be unconnected. */ - /* Enable phy interrupts so we take action when plugged in */ + /* + * We don't have link. Cable must be unconnected. + * Enable phy interrupts so we take action when + * plugged in. + */ + netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0 - (port), 0x80000000); + (port), + NETXEN_GB_MAC_SOFT_RESET); netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0 - (port), 0x0000f0025); + (port), + NETXEN_GB_MAC_RESET_PROT_BLK + | NETXEN_GB_MAC_ENABLE_TX_RX + | + NETXEN_GB_MAC_PAUSED_FRMS); if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); @@ -407,10 +452,34 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) return result; } +int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) +{ + long reg = 0, ret = 0; + + if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) { + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_XG1_CONFIG_0, 0x5); + /* XXX hack for Mez cards: both ports in promisc mode */ + netxen_nic_hw_read_wx(adapter, + NETXEN_NIU_XGE_CONFIG_1, ®, 4); + reg = (reg | 0x2000UL); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_XGE_CONFIG_1, reg); + reg = 0; + netxen_nic_hw_read_wx(adapter, + NETXEN_NIU_XG1_CONFIG_1, ®, 4); + reg = (reg | 0x2000UL); + netxen_crb_writelit_adapter(adapter, + NETXEN_NIU_XG1_CONFIG_1, reg); + } + + return ret; +} + /* * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts * @param enable 0 means don't enable the port - * 1 means enable (or re-enable) the port + * 1 means enable (or re-enable) the port */ int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter, int port, long enable) @@ -421,7 +490,10 @@ int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter, printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d" " (device enable = %d)\n", (int)port, (int)enable); - /* The read of the PHY INT status will clear the pending interrupt status */ + /* + * The read of the PHY INT status will clear the pending + * interrupt status + */ if (netxen_niu_gbe_phy_read(adapter, port, NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, &int_src) != 0) @@ -540,20 +612,42 @@ int netxen_niu_macaddr_set(struct netxen_port *port, __le32 temp = 0; struct netxen_adapter *adapter = port->adapter; int phy = port->portnum; + unsigned char mac_addr[MAX_ADDR_LEN]; + int i; + + for (i = 0; i < 10; i++) { + memcpy(&temp, addr, 2); + temp <<= 16; + if (netxen_nic_hw_write_wx + (adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), &temp, 4)) + return -EIO; - memcpy(&temp, addr, 2); - temp <<= 16; - if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), - &temp, 4)) - return -EIO; + temp = 0; - temp = 0; + memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); + if (netxen_nic_hw_write_wx + (adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), &temp, 4)) + return -2; - memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); - if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), - &temp, 4)) - return -2; + netxen_niu_macaddr_get(adapter, phy, + (netxen_ethernet_macaddr_t *) mac_addr); + if (memcmp(mac_addr, addr, MAX_ADDR_LEN == 0)) + break; + } + if (i == 10) { + printk(KERN_ERR "%s: cannot set Mac addr for %s\n", + netxen_nic_driver_name, port->netdev->name); + printk(KERN_ERR "MAC address set: " + "%02x:%02x:%02x:%02x:%02x:%02x.\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); + + printk(KERN_ERR "MAC address get: " + "%02x:%02x:%02x:%02x:%02x:%02x.\n", + mac_addr[0], + mac_addr[1], + mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]); + } return 0; } diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h index 863645ed1cd..8181d436783 100644 --- a/drivers/net/netxen/netxen_nic_phan_reg.h +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -6,12 +6,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, @@ -58,6 +58,9 @@ #define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08) #define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c) +#define CRB_PAUSE_ADDR_LO NETXEN_NIC_REG(0x10) +#define CRB_PAUSE_ADDR_HI NETXEN_NIC_REG(0x14) + /* address of command descriptors in the host memory */ #define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30) #define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34) @@ -82,10 +85,18 @@ #define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94) #define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98) #define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c) +#define CRB_INT_THRESH NETXEN_NIC_REG(0xa4) /* Register for communicating XG link status */ #define CRB_XG_STATE NETXEN_NIC_REG(0xa0) +/* Register for communicating card temperature */ +/* Upper 16 bits are temperature value. Lower 16 bits are the state */ +#define CRB_TEMP_STATE NETXEN_NIC_REG(0xa8) +#define nx_get_temp_val(x) ((x) >> 16) +#define nx_get_temp_state(x) ((x) & 0xffff) +#define nx_encode_temp(val, state) (((val) << 16) | (state)) + /* Debug registers for controlling NIC pkt gen agent */ #define CRB_AGENT_GO NETXEN_NIC_REG(0xb0) #define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4) @@ -192,4 +203,13 @@ struct netxen_recv_crb recv_crb_registers[] = { extern struct netxen_recv_crb recv_crb_registers[]; #endif /* DEFINE_GLOBAL_RECEIVE_CRB */ +/* + * Temperature control. + */ +enum { + NX_TEMP_NORMAL = 0x1, /* Normal operating range */ + NX_TEMP_WARN, /* Sound alert, temperature getting high */ + NX_TEMP_PANIC /* Fatal error, hardware has shut down. */ +}; + #endif /* __NIC_PHAN_REG_H_ */ -- cgit v1.2.3 From bca79eb7e7a1855947864952fcd878a5ae7b5c92 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 29 Nov 2006 13:15:17 -0800 Subject: [PATCH] sundance: use NULL for pointer Use NULL instead of 0 for pointers (cures sparse warnings). drivers/net/sundance.c:1106:16: warning: Using plain integer as NULL pointer drivers/net/sundance.c:1652:16: warning: Using plain integer as NULL pointer Signed-off-by: Randy Dunlap Signed-off-by: Jeff Garzik --- drivers/net/sundance.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index 02679e688c4..c06ecc8002b 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -1102,7 +1102,7 @@ reset_tx (struct net_device *dev) np->cur_tx = np->dirty_tx = 0; np->cur_task = 0; - np->last_tx = 0; + np->last_tx = NULL; iowrite8(127, ioaddr + TxDMAPollPeriod); iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1); @@ -1648,7 +1648,7 @@ static int netdev_close(struct net_device *dev) np->cur_tx = 0; np->dirty_tx = 0; np->cur_task = 0; - np->last_tx = 0; + np->last_tx = NULL; netif_stop_queue(dev); -- cgit v1.2.3 From a4f0c2ca8c475e00caa469b4574950852c376076 Mon Sep 17 00:00:00 2001 From: Kim Phillips Date: Wed, 15 Nov 2006 12:29:35 -0600 Subject: [PATCH] Adapt ucc_geth driver to use new of_platform_device support Include of_platform header, and use new of_[un]register_platform_driver() fns. Signed-off-by: Kim Phillips Signed-off-by: Jeff Garzik --- drivers/net/ucc_geth.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index b3788801106..1f05511fa39 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -30,7 +30,7 @@ #include #include -#include +#include #include #include #include @@ -4301,12 +4301,12 @@ static int __init ucc_geth_init(void) memcpy(&(ugeth_info[i]), &ugeth_primary_info, sizeof(ugeth_primary_info)); - return of_register_driver(&ucc_geth_driver); + return of_register_platform_driver(&ucc_geth_driver); } static void __exit ucc_geth_exit(void) { - of_unregister_driver(&ucc_geth_driver); + of_unregister_platform_driver(&ucc_geth_driver); } module_init(ucc_geth_init); -- cgit v1.2.3 From 9300abd4c60d385683944b9bc5cbf2c7c2cc6e78 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 11:21:33 -0800 Subject: [PATCH] chelsio: remove leftover code The chelsio network driver has some extra ifdef's that got in because the driver was originally based on code that worked on 2.4 as well as 2.6. This patch removes the dead code. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 35 ----------------------------------- 1 file changed, 35 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index ad7ff9641a7..a65660b0ea6 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -56,34 +56,6 @@ #include "sge.h" #include "espi.h" -#ifdef work_struct -#include -#define INIT_WORK INIT_TQUEUE -#define schedule_work schedule_task -#define flush_scheduled_work flush_scheduled_tasks - -static inline void schedule_mac_stats_update(struct adapter *ap, int secs) -{ - mod_timer(&ap->stats_update_timer, jiffies + secs * HZ); -} - -static inline void cancel_mac_stats_update(struct adapter *ap) -{ - del_timer_sync(&ap->stats_update_timer); - flush_scheduled_tasks(); -} - -/* - * Stats update timer for 2.4. It schedules a task to do the actual update as - * we need to access MAC statistics in process context. - */ -static void mac_stats_timer(unsigned long data) -{ - struct adapter *ap = (struct adapter *)data; - - schedule_task(&ap->stats_update_task); -} -#else #include static inline void schedule_mac_stats_update(struct adapter *ap, int secs) @@ -95,7 +67,6 @@ static inline void cancel_mac_stats_update(struct adapter *ap) { cancel_delayed_work(&ap->stats_update_task); } -#endif #define MAX_CMDQ_ENTRIES 16384 #define MAX_CMDQ1_ENTRIES 1024 @@ -1090,12 +1061,6 @@ static int __devinit init_one(struct pci_dev *pdev, ext_intr_task, adapter); INIT_WORK(&adapter->stats_update_task, mac_stats_task, adapter); -#ifdef work_struct - init_timer(&adapter->stats_update_timer); - adapter->stats_update_timer.function = mac_stats_timer; - adapter->stats_update_timer.data = - (unsigned long)adapter; -#endif pci_set_drvdata(pdev, netdev); } -- cgit v1.2.3 From 205781510d2a55a5c231f6e51df5b6c4aa765143 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 11:21:22 -0800 Subject: [PATCH] chelsio: whitespace cleanup Whitespace cleanups. Replace leading spaces with tabs and fix indentation Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 202 ++++++++++++++++++++++---------------------- 1 file changed, 101 insertions(+), 101 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index a65660b0ea6..3309bfc774e 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -120,7 +120,7 @@ static void t1_set_rxmode(struct net_device *dev) static void link_report(struct port_info *p) { if (!netif_carrier_ok(p->dev)) - printk(KERN_INFO "%s: link down\n", p->dev->name); + printk(KERN_INFO "%s: link down\n", p->dev->name); else { const char *s = "10Mbps"; @@ -130,7 +130,7 @@ static void link_report(struct port_info *p) case SPEED_100: s = "100Mbps"; break; } - printk(KERN_INFO "%s: link up, %s, %s-duplex\n", + printk(KERN_INFO "%s: link up, %s, %s-duplex\n", p->dev->name, s, p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); } @@ -261,7 +261,7 @@ static struct net_device_stats *t1_get_stats(struct net_device *dev) /* Do a full update of the MAC stats */ pstats = p->mac->ops->statistics_update(p->mac, - MAC_STATS_UPDATE_FULL); + MAC_STATS_UPDATE_FULL); ns->tx_packets = pstats->TxUnicastFramesOK + pstats->TxMulticastFramesOK + pstats->TxBroadcastFramesOK; @@ -315,39 +315,39 @@ static void set_msglevel(struct net_device *dev, u32 val) } static char stats_strings[][ETH_GSTRING_LEN] = { - "TxOctetsOK", - "TxOctetsBad", - "TxUnicastFramesOK", - "TxMulticastFramesOK", - "TxBroadcastFramesOK", - "TxPauseFrames", - "TxFramesWithDeferredXmissions", - "TxLateCollisions", - "TxTotalCollisions", - "TxFramesAbortedDueToXSCollisions", - "TxUnderrun", - "TxLengthErrors", - "TxInternalMACXmitError", - "TxFramesWithExcessiveDeferral", - "TxFCSErrors", - - "RxOctetsOK", - "RxOctetsBad", - "RxUnicastFramesOK", - "RxMulticastFramesOK", - "RxBroadcastFramesOK", - "RxPauseFrames", - "RxFCSErrors", - "RxAlignErrors", - "RxSymbolErrors", - "RxDataErrors", - "RxSequenceErrors", - "RxRuntErrors", - "RxJabberErrors", - "RxInternalMACRcvError", - "RxInRangeLengthErrors", - "RxOutOfRangeLengthField", - "RxFrameTooLongErrors", + "TxOctetsOK", + "TxOctetsBad", + "TxUnicastFramesOK", + "TxMulticastFramesOK", + "TxBroadcastFramesOK", + "TxPauseFrames", + "TxFramesWithDeferredXmissions", + "TxLateCollisions", + "TxTotalCollisions", + "TxFramesAbortedDueToXSCollisions", + "TxUnderrun", + "TxLengthErrors", + "TxInternalMACXmitError", + "TxFramesWithExcessiveDeferral", + "TxFCSErrors", + + "RxOctetsOK", + "RxOctetsBad", + "RxUnicastFramesOK", + "RxMulticastFramesOK", + "RxBroadcastFramesOK", + "RxPauseFrames", + "RxFCSErrors", + "RxAlignErrors", + "RxSymbolErrors", + "RxDataErrors", + "RxSequenceErrors", + "RxRuntErrors", + "RxJabberErrors", + "RxInternalMACRcvError", + "RxInRangeLengthErrors", + "RxOutOfRangeLengthField", + "RxFrameTooLongErrors", "TSO", "VLANextractions", @@ -367,7 +367,7 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "tx_reg_pkts", "tx_lso_pkts", "tx_do_cksum", - + "espi_DIP2ParityErr", "espi_DIP4Err", "espi_RxDrops", @@ -375,7 +375,7 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "espi_RxOvfl", "espi_ParityErr" }; - + #define T2_REGMAP_SIZE (3 * 1024) static int get_regs_len(struct net_device *dev) @@ -417,39 +417,39 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, ss = t1_sge_get_port_stats(adapter->sge, dev->if_port); t = t1_sge_get_intr_counts(adapter->sge); - *data++ = s->TxOctetsOK; - *data++ = s->TxOctetsBad; - *data++ = s->TxUnicastFramesOK; - *data++ = s->TxMulticastFramesOK; - *data++ = s->TxBroadcastFramesOK; - *data++ = s->TxPauseFrames; - *data++ = s->TxFramesWithDeferredXmissions; - *data++ = s->TxLateCollisions; - *data++ = s->TxTotalCollisions; - *data++ = s->TxFramesAbortedDueToXSCollisions; - *data++ = s->TxUnderrun; - *data++ = s->TxLengthErrors; - *data++ = s->TxInternalMACXmitError; - *data++ = s->TxFramesWithExcessiveDeferral; - *data++ = s->TxFCSErrors; - - *data++ = s->RxOctetsOK; - *data++ = s->RxOctetsBad; - *data++ = s->RxUnicastFramesOK; - *data++ = s->RxMulticastFramesOK; - *data++ = s->RxBroadcastFramesOK; - *data++ = s->RxPauseFrames; - *data++ = s->RxFCSErrors; - *data++ = s->RxAlignErrors; - *data++ = s->RxSymbolErrors; - *data++ = s->RxDataErrors; - *data++ = s->RxSequenceErrors; - *data++ = s->RxRuntErrors; - *data++ = s->RxJabberErrors; - *data++ = s->RxInternalMACRcvError; - *data++ = s->RxInRangeLengthErrors; - *data++ = s->RxOutOfRangeLengthField; - *data++ = s->RxFrameTooLongErrors; + *data++ = s->TxOctetsOK; + *data++ = s->TxOctetsBad; + *data++ = s->TxUnicastFramesOK; + *data++ = s->TxMulticastFramesOK; + *data++ = s->TxBroadcastFramesOK; + *data++ = s->TxPauseFrames; + *data++ = s->TxFramesWithDeferredXmissions; + *data++ = s->TxLateCollisions; + *data++ = s->TxTotalCollisions; + *data++ = s->TxFramesAbortedDueToXSCollisions; + *data++ = s->TxUnderrun; + *data++ = s->TxLengthErrors; + *data++ = s->TxInternalMACXmitError; + *data++ = s->TxFramesWithExcessiveDeferral; + *data++ = s->TxFCSErrors; + + *data++ = s->RxOctetsOK; + *data++ = s->RxOctetsBad; + *data++ = s->RxUnicastFramesOK; + *data++ = s->RxMulticastFramesOK; + *data++ = s->RxBroadcastFramesOK; + *data++ = s->RxPauseFrames; + *data++ = s->RxFCSErrors; + *data++ = s->RxAlignErrors; + *data++ = s->RxSymbolErrors; + *data++ = s->RxDataErrors; + *data++ = s->RxSequenceErrors; + *data++ = s->RxRuntErrors; + *data++ = s->RxJabberErrors; + *data++ = s->RxInternalMACRcvError; + *data++ = s->RxInRangeLengthErrors; + *data++ = s->RxOutOfRangeLengthField; + *data++ = s->RxFrameTooLongErrors; *data++ = ss->tso; *data++ = ss->vlan_xtract; @@ -510,12 +510,12 @@ static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->duplex = -1; } - cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; - cmd->phy_address = p->phy->addr; - cmd->transceiver = XCVR_EXTERNAL; - cmd->autoneg = p->link_config.autoneg; - cmd->maxtxpkt = 0; - cmd->maxrxpkt = 0; + cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; + cmd->phy_address = p->phy->addr; + cmd->transceiver = XCVR_EXTERNAL; + cmd->autoneg = p->link_config.autoneg; + cmd->maxtxpkt = 0; + cmd->maxrxpkt = 0; return 0; } @@ -686,7 +686,7 @@ static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) return -EINVAL; if (adapter->flags & FULL_INIT_DONE) - return -EBUSY; + return -EBUSY; adapter->params.sge.freelQ_size[!jumbo_fl] = e->rx_pending; adapter->params.sge.freelQ_size[jumbo_fl] = e->rx_jumbo_pending; @@ -793,34 +793,34 @@ static void cxgb_proc_cleanup(struct adapter *adapter, static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd) { - struct adapter *adapter = dev->priv; - struct mii_ioctl_data *data = if_mii(req); + struct adapter *adapter = dev->priv; + struct mii_ioctl_data *data = if_mii(req); switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = adapter->port[dev->if_port].phy->addr; - /* FALLTHRU */ - case SIOCGMIIREG: { + case SIOCGMIIPHY: + data->phy_id = adapter->port[dev->if_port].phy->addr; + /* FALLTHRU */ + case SIOCGMIIREG: { struct cphy *phy = adapter->port[dev->if_port].phy; u32 val; if (!phy->mdio_read) - return -EOPNOTSUPP; + return -EOPNOTSUPP; phy->mdio_read(adapter, data->phy_id, 0, data->reg_num & 0x1f, &val); - data->val_out = val; - break; + data->val_out = val; + break; } - case SIOCSMIIREG: { + case SIOCSMIIREG: { struct cphy *phy = adapter->port[dev->if_port].phy; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; if (!phy->mdio_write) - return -EOPNOTSUPP; + return -EOPNOTSUPP; phy->mdio_write(adapter, data->phy_id, 0, data->reg_num & 0x1f, data->val_in); - break; + break; } default: @@ -836,9 +836,9 @@ static int t1_change_mtu(struct net_device *dev, int new_mtu) struct cmac *mac = adapter->port[dev->if_port].mac; if (!mac->ops->set_mtu) - return -EOPNOTSUPP; + return -EOPNOTSUPP; if (new_mtu < 68) - return -EINVAL; + return -EINVAL; if ((ret = mac->ops->set_mtu(mac, new_mtu))) return ret; dev->mtu = new_mtu; @@ -889,7 +889,7 @@ static void t1_netpoll(struct net_device *dev) struct adapter *adapter = dev->priv; local_irq_save(flags); - t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter); + t1_select_intr_handler(adapter)(adapter->pdev->irq, adapter); local_irq_restore(flags); } #endif @@ -933,7 +933,7 @@ static void ext_intr_task(void *data) adapter->slow_intr_mask |= F_PL_INTR_EXT; writel(F_PL_INTR_EXT, adapter->regs + A_PL_CAUSE); writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, - adapter->regs + A_PL_ENABLE); + adapter->regs + A_PL_ENABLE); spin_unlock_irq(&adapter->async_lock); } @@ -949,7 +949,7 @@ void t1_elmer0_ext_intr(struct adapter *adapter) */ adapter->slow_intr_mask &= ~F_PL_INTR_EXT; writel(adapter->slow_intr_mask | F_PL_INTR_SGE_DATA, - adapter->regs + A_PL_ENABLE); + adapter->regs + A_PL_ENABLE); schedule_work(&adapter->ext_intr_handler_task); } @@ -982,7 +982,7 @@ static int __devinit init_one(struct pci_dev *pdev, err = pci_enable_device(pdev); if (err) - return err; + return err; if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { CH_ERR("%s: cannot find PCI device memory base address\n", @@ -1014,7 +1014,7 @@ static int __devinit init_one(struct pci_dev *pdev, pci_set_master(pdev); - mmio_start = pci_resource_start(pdev, 0); + mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); bi = t1_get_board_info(ent->driver_data); @@ -1107,7 +1107,7 @@ static int __devinit init_one(struct pci_dev *pdev, #endif netdev->weight = 64; - SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); + SET_ETHTOOL_OPS(netdev, &t1_ethtool_ops); } if (t1_init_sw_modules(adapter, bi) < 0) { @@ -1134,7 +1134,7 @@ static int __devinit init_one(struct pci_dev *pdev, if (!adapter->registered_device_map) adapter->name = adapter->port[i].dev->name; - __set_bit(i, &adapter->registered_device_map); + __set_bit(i, &adapter->registered_device_map); } } if (!adapter->registered_device_map) { -- cgit v1.2.3 From bac7e8746ce562556b7bd750c7652154483b15e2 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 11:23:41 -0800 Subject: [PATCH] chelsio: procectomy Complete removal of proc stuff from chelsio. The orignal driver had a debug proc interface, but not all the code got removed. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 3309bfc774e..37de99b65c1 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -45,7 +45,6 @@ #include #include #include -#include #include #include @@ -780,17 +779,6 @@ static const struct ethtool_ops t1_ethtool_ops = { .set_tso = set_tso, }; -static void cxgb_proc_cleanup(struct adapter *adapter, - struct proc_dir_entry *dir) -{ - const char *name; - name = adapter->name; - remove_proc_entry(name, dir); -} -//#define chtoe_setup_toedev(adapter) NULL -#define update_mtu_tab(adapter) -#define write_smt_entry(adapter, idx) - static int t1_ioctl(struct net_device *dev, struct ifreq *req, int cmd) { struct adapter *adapter = dev->priv; @@ -1156,7 +1144,6 @@ static int __devinit init_one(struct pci_dev *pdev, if (adapter->regs) iounmap(adapter->regs); for (i = bi->port_number - 1; i >= 0; --i) if (adapter->port[i].dev) { - cxgb_proc_cleanup(adapter, proc_root_driver); kfree(adapter->port[i].dev); } } @@ -1189,7 +1176,6 @@ static void __devexit remove_one(struct pci_dev *pdev) iounmap(adapter->regs); while (--i >= 0) if (adapter->port[i].dev) { - cxgb_proc_cleanup(adapter, proc_root_driver); kfree(adapter->port[i].dev); } pci_release_regions(pdev); -- cgit v1.2.3 From e487647abbe66390b99f9a32ede4688b255282dd Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 11:25:23 -0800 Subject: [PATCH] chelsio: free_netdev Network devices need to be free'd with free_netdev() not kfree() otherwise the kernel will panic if an application has /sys/class/net/ethX/value open and reads it. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 37de99b65c1..37037e5890e 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -1141,11 +1141,11 @@ static int __devinit init_one(struct pci_dev *pdev, t1_free_sw_modules(adapter); out_free_dev: if (adapter) { - if (adapter->regs) iounmap(adapter->regs); + if (adapter->regs) + iounmap(adapter->regs); for (i = bi->port_number - 1; i >= 0; --i) - if (adapter->port[i].dev) { - kfree(adapter->port[i].dev); - } + if (adapter->port[i].dev) + free_netdev(adapter->port[i].dev); } pci_release_regions(pdev); out_disable_pdev: @@ -1175,9 +1175,9 @@ static void __devexit remove_one(struct pci_dev *pdev) t1_free_sw_modules(adapter); iounmap(adapter->regs); while (--i >= 0) - if (adapter->port[i].dev) { - kfree(adapter->port[i].dev); - } + if (adapter->port[i].dev) + free_netdev(adapter->port[i].dev); + pci_release_regions(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); -- cgit v1.2.3 From 86c27d275507d81da179b571f35d34df61f7c6d3 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 17:00:34 -0800 Subject: [PATCH] chelsio: use __netif_rx_schedule_prep The chelsio driver can use __netif_rx_schedule_prep instead of it's own test_and_set inline. Applies after the previous 4 patches. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/sge.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 9799c12380f..11c70b59a1a 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -929,18 +929,6 @@ static inline void reclaim_completed_tx(struct sge *sge, struct cmdQ *q) # define __netif_rx_complete(dev) netif_rx_complete(dev) #endif -/* - * We cannot use the standard netif_rx_schedule_prep() because we have multiple - * ports plus the TOE all multiplexing onto a single response queue, therefore - * accepting new responses cannot depend on the state of any particular port. - * So define our own equivalent that omits the netif_running() test. - */ -static inline int napi_schedule_prep(struct net_device *dev) -{ - return !test_and_set_bit(__LINK_STATE_RX_SCHED, &dev->state); -} - - /** * sge_rx - process an ingress ethernet packet * @sge: the sge structure @@ -1241,10 +1229,10 @@ static irqreturn_t t1_interrupt_napi(int irq, void *data) if (e->GenerationBit == q->genbit) { if (e->DataValid || process_pure_responses(adapter, e)) { - if (likely(napi_schedule_prep(sge->netdev))) + if (likely(__netif_rx_schedule_prep(sge->netdev))) __netif_rx_schedule(sge->netdev); - else - printk(KERN_CRIT + else if (net_ratelimit()) + printk(KERN_INFO "NAPI schedule failure!\n"); } else writel(q->cidx, adapter->regs + A_SG_SLEEPING); -- cgit v1.2.3 From cbee9f9115da7eac5dc44a450f2dab343236cb2c Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 17 Nov 2006 17:01:52 -0800 Subject: [PATCH] chelsio: use kzalloc Use kzalloc() in chelsio driver. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/sge.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 11c70b59a1a..9fb77c6d6c6 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -335,10 +335,9 @@ static int alloc_rx_resources(struct sge *sge, struct sge_params *p) goto err_no_mem; memset(q->entries, 0, size); size = sizeof(struct freelQ_ce) * q->size; - q->centries = kmalloc(size, GFP_KERNEL); + q->centries = kzalloc(size, GFP_KERNEL); if (!q->centries) goto err_no_mem; - memset(q->centries, 0, size); } /* @@ -463,10 +462,9 @@ static int alloc_tx_resources(struct sge *sge, struct sge_params *p) goto err_no_mem; memset(q->entries, 0, size); size = sizeof(struct cmdQ_ce) * q->size; - q->centries = kmalloc(size, GFP_KERNEL); + q->centries = kzalloc(size, GFP_KERNEL); if (!q->centries) goto err_no_mem; - memset(q->centries, 0, size); } /* @@ -1635,11 +1633,10 @@ static void espibug_workaround(void *data) struct sge * __devinit t1_sge_create(struct adapter *adapter, struct sge_params *p) { - struct sge *sge = kmalloc(sizeof(*sge), GFP_KERNEL); + struct sge *sge = kzalloc(sizeof(*sge), GFP_KERNEL); if (!sge) return NULL; - memset(sge, 0, sizeof(*sge)); sge->adapter = adapter; sge->netdev = adapter->port[0].dev; -- cgit v1.2.3 From 5ac366152a44da60c22c08df619012b1e3bc1adb Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Thu, 16 Nov 2006 21:39:11 -0800 Subject: [PATCH] netxen: uses PCI drivers/built-in.o: In function `netxen_nic_remove': netxen_nic_main.c:(.text+0x31b4d): undefined reference to `pci_disable_msi' netxen_nic_main.c:(.text+0x31b8e): undefined reference to `pci_release_regions' drivers/built-in.o: In function `netxen_init_module': netxen_nic_main.c:(.init.text+0x3f17): undefined reference to `pci_module_init' make: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 10ac1c763f3..460517a19a6 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2468,6 +2468,7 @@ config MYRI10GE config NETXEN_NIC tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC" + depends on PCI help This enables the support for NetXen's Gigabit Ethernet card. -- cgit v1.2.3 From 7628b0a8c01a02966d2228bdf741ddedb128e8f8 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Thu, 30 Nov 2006 07:11:24 -0500 Subject: drivers/net/tulip/dmfe: support basic carrier detection Signed-off-by: Jeff Garzik --- drivers/net/tulip/dmfe.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c index 4dd8a0bae86..7f59a3d4fda 100644 --- a/drivers/net/tulip/dmfe.c +++ b/drivers/net/tulip/dmfe.c @@ -187,7 +187,7 @@ struct rx_desc { struct dmfe_board_info { u32 chip_id; /* Chip vendor/Device ID */ u32 chip_revision; /* Chip revision */ - struct DEVICE *next_dev; /* next device */ + struct DEVICE *dev; /* net device */ struct pci_dev *pdev; /* PCI device */ spinlock_t lock; @@ -399,6 +399,8 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev, /* Init system & device */ db = netdev_priv(dev); + db->dev = dev; + /* Allocate Tx/Rx descriptor memory */ db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); @@ -426,6 +428,7 @@ static int __devinit dmfe_init_one (struct pci_dev *pdev, dev->poll_controller = &poll_dmfe; #endif dev->ethtool_ops = &netdev_ethtool_ops; + netif_carrier_off(db->dev); spin_lock_init(&db->lock); pci_read_config_dword(pdev, 0x50, &pci_pmr); @@ -1050,6 +1053,7 @@ static void netdev_get_drvinfo(struct net_device *dev, static const struct ethtool_ops netdev_ethtool_ops = { .get_drvinfo = netdev_get_drvinfo, + .get_link = ethtool_op_get_link, }; /* @@ -1144,6 +1148,7 @@ static void dmfe_timer(unsigned long data) /* Link Failed */ DMFE_DBUG(0, "Link Failed", tmp_cr12); db->link_failed = 1; + netif_carrier_off(db->dev); /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ /* AUTO or force 1M Homerun/Longrun don't need */ @@ -1166,6 +1171,8 @@ static void dmfe_timer(unsigned long data) if ( (db->media_mode & DMFE_AUTO) && dmfe_sense_speed(db) ) db->link_failed = 1; + else + netif_carrier_on(db->dev); dmfe_process_mode(db); /* SHOW_MEDIA_TYPE(db->op_mode); */ } -- cgit v1.2.3 From 758140900a82e3ed3bb2be1d4705dd352fe44825 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 11:41:08 -0800 Subject: [PATCH] skge: don't clear MC state on link down I would rather fix Andy's problem by not clearing multicast information on link down. Also, add code to restore multicast state after ethtool phy reset. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/skge.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/skge.c b/drivers/net/skge.c index b2949035f66..010fc654112 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2154,8 +2154,6 @@ static void yukon_link_down(struct skge_port *skge) int port = skge->port; u16 ctrl; - gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); - ctrl = gma_read16(hw, port, GM_GP_CTRL); ctrl &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); gma_write16(hw, port, GM_GP_CTRL, ctrl); @@ -2167,7 +2165,6 @@ static void yukon_link_down(struct skge_port *skge) gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, ctrl); } - yukon_reset(hw, port); skge_link_down(skge); yukon_init(hw, port); @@ -2268,6 +2265,8 @@ static void skge_phy_reset(struct skge_port *skge) yukon_init(hw, port); } mutex_unlock(&hw->phy_mutex); + + dev->set_multicast_list(dev); } /* Basic MII support */ -- cgit v1.2.3 From 5df791117afedf7fdc67dc0842dab4859e3edf69 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 14:29:33 -0800 Subject: [PATCH] sky2: receive error handling fix If sky2 detects out of memory, or gets a bad frame, it reuses the same receive buffer, but forgets to poke the hardware. This could lead to the receiver getting stuck if there were lots of errors. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 16616f5440d..0c8a5354f99 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2065,7 +2065,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) case OP_RXSTAT: skb = sky2_receive(dev, length, status); if (!skb) - break; + goto force_update; skb->protocol = eth_type_trans(skb, dev); dev->last_rx = jiffies; @@ -2081,8 +2081,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) /* Update receiver after 16 frames */ if (++buf_write[le->link] == RX_BUF_WRITE) { - sky2_put_idx(hw, rxqaddr[le->link], - sky2->rx_put); +force_update: + sky2_put_idx(hw, rxqaddr[le->link], sky2->rx_put); buf_write[le->link] = 0; } -- cgit v1.2.3 From 508f89e75ab26506fcdbb1b6f7166029e4c56855 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 14:29:34 -0800 Subject: [PATCH] sky2: add Dlink 560SX id Add new PCI ID for DLink 560SX. This from the latest SysKonnect vendor driver (version 8.41). Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 0c8a5354f99..79d62ae8d7c 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -104,6 +104,7 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, -- cgit v1.2.3 From 8df9a87604e38529898ce35c610792c03c8713a2 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 14:29:35 -0800 Subject: [PATCH] sky2: fixes for Yukon EC_U chip revisions Update workarounds for 88E803X based on the latest SysKonnect vendor driver version (8.41). Tested on EC_U rev A1, only. These up the receive performance. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 13 ++++++------- drivers/net/sky2.h | 9 +++++++-- 2 files changed, 13 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 79d62ae8d7c..71722f53f2b 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -677,17 +677,15 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) /* Flush Rx MAC FIFO on any flow control or error */ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); - /* Set threshold to 0xa (64 bytes) - * ASF disabled so no need to do WA dev #4.30 - */ - sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF); + /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ + sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1); /* Configure Tx MAC FIFO */ sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); if (hw->chip_id == CHIP_ID_YUKON_EC_U) { - sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 512/8); + sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); if (hw->dev[port]->mtu > ETH_DATA_LEN) { /* set Tx GMAC FIFO Almost Empty Threshold */ @@ -1061,7 +1059,8 @@ static int sky2_rx_start(struct sky2_port *sky2) sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); - if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { + if (hw->chip_id == CHIP_ID_YUKON_EC_U && + (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) { /* MAC Rx RAM Read is controlled by hardware */ sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); } @@ -1510,7 +1509,7 @@ static int sky2_down(struct net_device *dev) /* WA for dev. #4.209 */ if (hw->chip_id == CHIP_ID_YUKON_EC_U - && hw->chip_rev == CHIP_REV_YU_EC_U_A1) + && (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), sky2->speed != SPEED_1000 ? TX_STFW_ENA : TX_STFW_DIS); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 6d2a23f66c9..c551ec32e63 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -383,8 +383,13 @@ enum { CHIP_REV_YU_EC_A2 = 1, /* Chip Rev. for Yukon-EC A2 */ CHIP_REV_YU_EC_A3 = 2, /* Chip Rev. for Yukon-EC A3 */ - CHIP_REV_YU_EC_U_A0 = 0, - CHIP_REV_YU_EC_U_A1 = 1, + CHIP_REV_YU_EC_U_A0 = 1, + CHIP_REV_YU_EC_U_A1 = 2, + CHIP_REV_YU_EC_U_B0 = 3, + + CHIP_REV_YU_FE_A1 = 1, + CHIP_REV_YU_FE_A2 = 2, + }; /* B2_Y2_CLK_GATE 8 bit Clock Gating (Yukon-2 only) */ -- cgit v1.2.3 From 794b2bd20f620892616b09466186ff27101d9e5b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 14:29:36 -0800 Subject: [PATCH] sky2: kfree_skb_any needed It is possible for the sky2 driver NAPI poll routine to be called with IRQ's disabled if netpoll is trying to make space in the tx queue. This is an obscure path, but if it happens, the kfree_skb needs to happen via softirq. Calling kfree_skb with IRQ's disabled is a not allowed. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 71722f53f2b..b95b9b7cce0 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1453,7 +1453,7 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) if (unlikely(netif_msg_tx_done(sky2))) printk(KERN_DEBUG "%s: tx done %u\n", dev->name, idx); - dev_kfree_skb(re->skb); + dev_kfree_skb_any(re->skb); } le->opcode = 0; /* paranoia */ -- cgit v1.2.3 From b0a20ded562cfa60b0d45d269e416f541f2d5aaf Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 14:29:37 -0800 Subject: [PATCH] sky2: msi enhancements. If using Message Signaled Interrupts (MSI) then the IRQ will never be shared. Don't call pci_disable_msi() unless using MSI. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 17 ++++++++++------- drivers/net/sky2.h | 2 +- 2 files changed, 11 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index b95b9b7cce0..0ef1848b976 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -3311,7 +3311,7 @@ static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) return IRQ_NONE; if (status & Y2_IS_IRQ_SW) { - hw->msi_detected = 1; + hw->msi = 1; wake_up(&hw->msi_wait); sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); } @@ -3330,7 +3330,7 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); - err = request_irq(pdev->irq, sky2_test_intr, IRQF_SHARED, DRV_NAME, hw); + err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); if (err) { printk(KERN_ERR PFX "%s: cannot assign irq %d\n", pci_name(pdev), pdev->irq); @@ -3340,9 +3340,9 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); sky2_read8(hw, B0_CTST); - wait_event_timeout(hw->msi_wait, hw->msi_detected, HZ/10); + wait_event_timeout(hw->msi_wait, hw->msi, HZ/10); - if (!hw->msi_detected) { + if (!hw->msi) { /* MSI test failed, go back to INTx mode */ printk(KERN_INFO PFX "%s: No interrupt generated using MSI, " "switching to INTx mode.\n", @@ -3475,7 +3475,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_netdev; } - err = request_irq(pdev->irq, sky2_intr, IRQF_SHARED, dev->name, hw); + err = request_irq(pdev->irq, sky2_intr, hw->msi ? 0 : IRQF_SHARED, + dev->name, hw); if (err) { printk(KERN_ERR PFX "%s: cannot assign irq %d\n", pci_name(pdev), pdev->irq); @@ -3505,7 +3506,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev, return 0; err_out_unregister: - pci_disable_msi(pdev); + if (hw->msi) + pci_disable_msi(pdev); unregister_netdev(dev); err_out_free_netdev: free_netdev(dev); @@ -3548,7 +3550,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev) sky2_read8(hw, B0_CTST); free_irq(pdev->irq, hw); - pci_disable_msi(pdev); + if (hw->msi) + pci_disable_msi(pdev); pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index c551ec32e63..7760545edbf 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1900,7 +1900,7 @@ struct sky2_hw { dma_addr_t st_dma; struct timer_list idle_timer; - int msi_detected; + int msi; wait_queue_head_t msi_wait; }; -- cgit v1.2.3 From 6b4bdde61bd1f8451801e5fb092cbe2d1050984e Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:10:50 -0800 Subject: [PATCH] amd8111e use standard CRC lib I noticed this driver (and several others) reinvent their own copy of the existing CRC library. Don't have the hardware, but tested by extracting code and comparing result. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/amd8111e.c | 27 +-------------------------- drivers/net/amd8111e.h | 4 ---- 2 files changed, 1 insertion(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c index ef65e5917c8..18896f24d40 100644 --- a/drivers/net/amd8111e.c +++ b/drivers/net/amd8111e.c @@ -1490,32 +1490,7 @@ static void amd8111e_read_regs(struct amd8111e_priv *lp, u32 *buf) buf[12] = readl(mmio + STAT0); } -/* -amd8111e crc generator implementation is different from the kernel -ether_crc() function. -*/ -static int amd8111e_ether_crc(int len, char* mac_addr) -{ - int i,byte; - unsigned char octet; - u32 crc= INITCRC; - - for(byte=0; byte < len; byte++){ - octet = mac_addr[byte]; - for( i=0;i < 8; i++){ - /*If the next bit form the input stream is 1,subtract the divisor (CRC32) from the dividend(crc).*/ - if( (octet & 0x1) ^ (crc & 0x1) ){ - crc >>= 1; - crc ^= CRC32; - } - else - crc >>= 1; - octet >>= 1; - } - } - return crc; -} /* This function sets promiscuos mode, all-multi mode or the multicast address list to the device. @@ -1556,7 +1531,7 @@ static void amd8111e_set_multicast_list(struct net_device *dev) mc_filter[1] = mc_filter[0] = 0; for (i = 0, mc_ptr = dev->mc_list; mc_ptr && i < dev->mc_count; i++, mc_ptr = mc_ptr->next) { - bit_num = ( amd8111e_ether_crc(ETH_ALEN,mc_ptr->dmi_addr) >> 26 ) & 0x3f; + bit_num = (ether_crc_le(ETH_ALEN, mc_ptr->dmi_addr) >> 26) & 0x3f; mc_filter[bit_num >> 5] |= 1 << (bit_num & 31); } amd8111e_writeq(*(u64*)mc_filter,lp->mmio+ LADRF); diff --git a/drivers/net/amd8111e.h b/drivers/net/amd8111e.h index 7727d328f65..2007510c4eb 100644 --- a/drivers/net/amd8111e.h +++ b/drivers/net/amd8111e.h @@ -651,10 +651,6 @@ typedef enum { /* driver ioctl parameters */ #define AMD8111E_REG_DUMP_LEN 13*sizeof(u32) -/* crc generator constants */ -#define CRC32 0xedb88320 -#define INITCRC 0xFFFFFFFF - /* amd8111e desriptor format */ struct amd8111e_tx_dr{ -- cgit v1.2.3 From 11e5a202ca9e93ecb5ff314a6a345e0e4db77d97 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:13 -0800 Subject: [PATCH] chelsio: whitespace fixes Fix indentation and blank/tab issues. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 2 +- drivers/net/chelsio/espi.c | 2 +- drivers/net/chelsio/pm3393.c | 16 ++++++++-------- drivers/net/chelsio/subr.c | 12 ++++++------ 4 files changed, 16 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 37037e5890e..1d78d5d4b1a 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -729,7 +729,7 @@ static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) static int get_eeprom_len(struct net_device *dev) { - return EEPROM_SIZE; + return EEPROM_SIZE; } #define EEPROM_MAGIC(ap) \ diff --git a/drivers/net/chelsio/espi.c b/drivers/net/chelsio/espi.c index 542e5e065c6..40af47b795e 100644 --- a/drivers/net/chelsio/espi.c +++ b/drivers/net/chelsio/espi.c @@ -192,7 +192,7 @@ int t1_espi_intr_handler(struct peespi *espi) const struct espi_intr_counts *t1_espi_get_intr_counts(struct peespi *espi) { - return &espi->intr_cnt; + return &espi->intr_cnt; } static void espi_setup_for_pm3393(adapter_t *adapter) diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c index 04a1404fc65..b442b585b4b 100644 --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -46,17 +46,17 @@ /* 802.3ae 10Gb/s MDIO Manageable Device(MMD) */ enum { - MMD_RESERVED, - MMD_PMAPMD, - MMD_WIS, - MMD_PCS, - MMD_PHY_XGXS, /* XGMII Extender Sublayer */ - MMD_DTE_XGXS, + MMD_RESERVED, + MMD_PMAPMD, + MMD_WIS, + MMD_PCS, + MMD_PHY_XGXS, /* XGMII Extender Sublayer */ + MMD_DTE_XGXS, }; enum { - PHY_XGXS_CTRL_1, - PHY_XGXS_STATUS_1 + PHY_XGXS_CTRL_1, + PHY_XGXS_STATUS_1 }; #define OFFSET(REG_ADDR) (REG_ADDR << 2) diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c index 12e4e96dba2..e4473ec43d2 100644 --- a/drivers/net/chelsio/subr.c +++ b/drivers/net/chelsio/subr.c @@ -166,11 +166,11 @@ static int t1_pci_intr_handler(adapter_t *adapter) { u32 pcix_cause; - pci_read_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, &pcix_cause); + pci_read_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, &pcix_cause); if (pcix_cause) { pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, - pcix_cause); + pcix_cause); t1_fatal_err(adapter); /* PCI errors are fatal */ } return 0; @@ -420,9 +420,9 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) */ int elmer0_ext_intr_handler(adapter_t *adapter) { - struct cphy *phy; + struct cphy *phy; int phy_cause; - u32 cause; + u32 cause; t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); @@ -515,7 +515,7 @@ void t1_interrupts_clear(adapter_t* adapter) } /* Enable interrupts for external devices. */ - pl_intr = readl(adapter->regs + A_PL_CAUSE); + pl_intr = readl(adapter->regs + A_PL_CAUSE); writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX, adapter->regs + A_PL_CAUSE); @@ -643,7 +643,7 @@ static int board_init(adapter_t *adapter, const struct board_info *bi) case CHBT_BOARD_N110: case CHBT_BOARD_N210: writel(V_TPIPAR(0xf), adapter->regs + A_TPI_PAR); - t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); break; } return 0; -- cgit v1.2.3 From 1270266cf94c0de5bd1121f15aff9af8556dee84 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:14 -0800 Subject: [PATCH] chelsio: use kzalloc Use kzalloc in several places. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/mv88x201x.c | 4 ++-- drivers/net/chelsio/pm3393.c | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/mv88x201x.c b/drivers/net/chelsio/mv88x201x.c index db503428278..bf7d8538885 100644 --- a/drivers/net/chelsio/mv88x201x.c +++ b/drivers/net/chelsio/mv88x201x.c @@ -205,11 +205,11 @@ static struct cphy *mv88x201x_phy_create(adapter_t *adapter, int phy_addr, struct mdio_ops *mdio_ops) { u32 val; - struct cphy *cphy = kmalloc(sizeof(*cphy), GFP_KERNEL); + struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL); if (!cphy) return NULL; - memset(cphy, 0, sizeof(*cphy)); + cphy_init(cphy, adapter, phy_addr, &mv88x201x_ops, mdio_ops); /* Commands the PHY to enable XFP's clock. */ diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c index b442b585b4b..50983f9ce4b 100644 --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -631,10 +631,9 @@ static struct cmac *pm3393_mac_create(adapter_t *adapter, int index) { struct cmac *cmac; - cmac = kmalloc(sizeof(*cmac) + sizeof(cmac_instance), GFP_KERNEL); + cmac = kzalloc(sizeof(*cmac) + sizeof(cmac_instance), GFP_KERNEL); if (!cmac) return NULL; - memset(cmac, 0, sizeof(*cmac)); cmac->ops = &pm3393_ops; cmac->instance = (cmac_instance *) (cmac + 1); -- cgit v1.2.3 From 415294ecbb32ddbd0a7a2b7bae0b60fedfa09cc4 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:15 -0800 Subject: [PATCH] chelsio: remove unused mutex This mutex is unused in current (non TOE) code. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/common.h | 1 - drivers/net/chelsio/cxgb2.c | 1 - 2 files changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index 5d9dd14427c..efe1f668528 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -212,7 +212,6 @@ struct adapter { struct work_struct stats_update_task; struct timer_list stats_update_timer; - struct semaphore mib_mutex; spinlock_t tpi_lock; spinlock_t work_lock; /* guards async operations */ diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 1d78d5d4b1a..42ad9cfd670 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -1040,7 +1040,6 @@ static int __devinit init_one(struct pci_dev *pdev, adapter->msg_enable = dflt_msg_enable; adapter->mmio_len = mmio_len; - init_MUTEX(&adapter->mib_mutex); spin_lock_init(&adapter->tpi_lock); spin_lock_init(&adapter->work_lock); spin_lock_init(&adapter->async_lock); -- cgit v1.2.3 From f1d3d38af75789f1b82969b83b69cab540609789 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:16 -0800 Subject: [PATCH] chelsio: add support for other 10G boards Add support for other versions of the 10G Chelsio boards. This is basically a port of the vendor driver with the TOE features removed. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 6 +- drivers/net/chelsio/Makefile | 7 +- drivers/net/chelsio/common.h | 101 +- drivers/net/chelsio/cphy.h | 24 +- drivers/net/chelsio/cpl5_cmd.h | 510 ++++++++- drivers/net/chelsio/cxgb2.c | 238 ++++- drivers/net/chelsio/elmer0.h | 7 + drivers/net/chelsio/espi.c | 203 ++-- drivers/net/chelsio/espi.h | 1 + drivers/net/chelsio/fpga_defs.h | 232 +++++ drivers/net/chelsio/gmac.h | 5 + drivers/net/chelsio/mv88e1xxx.h | 127 +++ drivers/net/chelsio/mv88x201x.c | 32 +- drivers/net/chelsio/my3126.c | 204 ++++ drivers/net/chelsio/pm3393.c | 24 +- drivers/net/chelsio/regs.h | 1718 ++++++++++++++++++++++++++++++- drivers/net/chelsio/sge.c | 770 +++++++++++--- drivers/net/chelsio/sge.h | 4 + drivers/net/chelsio/subr.c | 265 +++-- drivers/net/chelsio/suni1x10gexp_regs.h | 1430 +++++++++++++++++++++++++ drivers/net/chelsio/tp.c | 145 +++ drivers/net/chelsio/tp.h | 73 ++ drivers/net/chelsio/vsc7326_reg.h | 286 +++++ 23 files changed, 6041 insertions(+), 371 deletions(-) create mode 100644 drivers/net/chelsio/fpga_defs.h create mode 100644 drivers/net/chelsio/mv88e1xxx.h create mode 100644 drivers/net/chelsio/my3126.c create mode 100644 drivers/net/chelsio/tp.c create mode 100644 drivers/net/chelsio/tp.h create mode 100644 drivers/net/chelsio/vsc7326_reg.h (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 460517a19a6..2f10dd554e3 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2361,9 +2361,9 @@ config CHELSIO_T1 tristate "Chelsio 10Gb Ethernet support" depends on PCI help - This driver supports Chelsio N110 and N210 models 10Gb Ethernet - cards. More information about adapter features and performance - tuning is in . + This driver supports Chelsio gigabit and 10-gigabit + Ethernet cards. More information about adapter features and + performance tuning is in . For general information about Chelsio and our products, visit our website at . diff --git a/drivers/net/chelsio/Makefile b/drivers/net/chelsio/Makefile index 54c78d94f48..6d87316e58c 100644 --- a/drivers/net/chelsio/Makefile +++ b/drivers/net/chelsio/Makefile @@ -1,11 +1,10 @@ # -# Chelsio 10Gb NIC driver for Linux. +# Chelsio T1 driver # obj-$(CONFIG_CHELSIO_T1) += cxgb.o -EXTRA_CFLAGS += -Idrivers/net/chelsio $(DEBUG_FLAGS) +cxgb-objs := cxgb2.o espi.o tp.o pm3393.o sge.o subr.o \ + mv88x201x.o my3126.o $(cxgb-y) -cxgb-objs := cxgb2.o espi.o pm3393.o sge.o subr.o mv88x201x.o - diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index efe1f668528..e4e59d2d410 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -45,6 +45,7 @@ #include #include #include +#include #include #include #include @@ -53,13 +54,30 @@ #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" #define DRV_NAME "cxgb" -#define DRV_VERSION "2.1.1" +#define DRV_VERSION "2.2" #define PFX DRV_NAME ": " #define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__) #define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__) #define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__) +/* + * More powerful macro that selectively prints messages based on msg_enable. + * For info and debugging messages. + */ +#define CH_MSG(adapter, level, category, fmt, ...) do { \ + if ((adapter)->msg_enable & NETIF_MSG_##category) \ + printk(KERN_##level PFX "%s: " fmt, (adapter)->name, \ + ## __VA_ARGS__); \ +} while (0) + +#ifdef DEBUG +# define CH_DBG(adapter, category, fmt, ...) \ + CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__) +#else +# define CH_DBG(fmt, ...) +#endif + #define CH_DEVICE(devid, ssid, idx) \ { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } @@ -71,10 +89,6 @@ typedef struct adapter adapter_t; -void t1_elmer0_ext_intr(adapter_t *adapter); -void t1_link_changed(adapter_t *adapter, int port_id, int link_status, - int speed, int duplex, int fc); - struct t1_rx_mode { struct net_device *dev; u32 idx; @@ -97,26 +111,53 @@ static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) } #define MAX_NPORTS 4 +#define PORT_MASK ((1 << MAX_NPORTS) - 1) +#define NMTUS 8 +#define TCB_SIZE 128 #define SPEED_INVALID 0xffff #define DUPLEX_INVALID 0xff enum { CHBT_BOARD_N110, - CHBT_BOARD_N210 + CHBT_BOARD_N210, + CHBT_BOARD_7500, + CHBT_BOARD_8000, + CHBT_BOARD_CHT101, + CHBT_BOARD_CHT110, + CHBT_BOARD_CHT210, + CHBT_BOARD_CHT204, + CHBT_BOARD_CHT204V, + CHBT_BOARD_CHT204E, + CHBT_BOARD_CHN204, + CHBT_BOARD_COUGAR, + CHBT_BOARD_6800, + CHBT_BOARD_SIMUL, }; enum { + CHBT_TERM_FPGA, CHBT_TERM_T1, - CHBT_TERM_T2 + CHBT_TERM_T2, + CHBT_TERM_T3 }; enum { + CHBT_MAC_CHELSIO_A, + CHBT_MAC_IXF1010, CHBT_MAC_PM3393, + CHBT_MAC_VSC7321, + CHBT_MAC_DUMMY }; enum { + CHBT_PHY_88E1041, + CHBT_PHY_88E1111, CHBT_PHY_88X2010, + CHBT_PHY_XPAK, + CHBT_PHY_MY3126, + CHBT_PHY_8244, + CHBT_PHY_DUMMY }; enum { @@ -150,16 +191,43 @@ struct chelsio_pci_params { unsigned char is_pcix; }; +struct tp_params { + unsigned int pm_size; + unsigned int cm_size; + unsigned int pm_rx_base; + unsigned int pm_tx_base; + unsigned int pm_rx_pg_size; + unsigned int pm_tx_pg_size; + unsigned int pm_rx_num_pgs; + unsigned int pm_tx_num_pgs; + unsigned int rx_coalescing_size; + unsigned int use_5tuple_mode; +}; + +struct mc5_params { + unsigned int mode; /* selects MC5 width */ + unsigned int nservers; /* size of server region */ + unsigned int nroutes; /* size of routing region */ +}; + +/* Default MC5 region sizes */ +#define DEFAULT_SERVER_REGION_LEN 256 +#define DEFAULT_RT_REGION_LEN 1024 + struct adapter_params { struct sge_params sge; + struct mc5_params mc5; + struct tp_params tp; struct chelsio_pci_params pci; const struct board_info *brd_info; + unsigned short mtus[NMTUS]; unsigned int nports; /* # of ethernet ports */ unsigned int stats_update_period; unsigned short chip_revision; unsigned char chip_version; + unsigned char is_asic; }; struct link_config { @@ -207,6 +275,7 @@ struct adapter { /* Terminator modules. */ struct sge *sge; struct peespi *espi; + struct petp *tp; struct port_info port[MAX_NPORTS]; struct work_struct stats_update_task; @@ -217,6 +286,7 @@ struct adapter { /* guards async operations */ spinlock_t async_lock ____cacheline_aligned; u32 slow_intr_mask; + int t1powersave; }; enum { /* adapter flags */ @@ -255,6 +325,11 @@ struct board_info { const char *desc; }; +static inline int t1_is_asic(const adapter_t *adapter) +{ + return adapter->params.is_asic; +} + extern struct pci_device_id t1_pci_tbl[]; static inline int adapter_matches_type(const adapter_t *adapter, @@ -284,13 +359,15 @@ static inline unsigned int core_ticks_per_usec(const adapter_t *adap) return board_info(adap)->clock_core / 1000000; } +extern int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); +extern int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); extern void t1_interrupts_enable(adapter_t *adapter); extern void t1_interrupts_disable(adapter_t *adapter); extern void t1_interrupts_clear(adapter_t *adapter); -extern int elmer0_ext_intr_handler(adapter_t *adapter); +extern int t1_elmer0_ext_intr_handler(adapter_t *adapter); extern int t1_slow_intr_handler(adapter_t *adapter); extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); @@ -304,9 +381,7 @@ extern int t1_init_hw_modules(adapter_t *adapter); extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); extern void t1_free_sw_modules(adapter_t *adapter); extern void t1_fatal_err(adapter_t *adapter); - -extern void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable); -extern void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable); -extern void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable); - +extern void t1_link_changed(adapter_t *adapter, int port_id); +extern void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, + int speed, int duplex, int pause); #endif /* _CXGB_COMMON_H_ */ diff --git a/drivers/net/chelsio/cphy.h b/drivers/net/chelsio/cphy.h index 3412342f734..60901f25014 100644 --- a/drivers/net/chelsio/cphy.h +++ b/drivers/net/chelsio/cphy.h @@ -52,7 +52,14 @@ struct mdio_ops { /* PHY interrupt types */ enum { cphy_cause_link_change = 0x1, - cphy_cause_error = 0x2 + cphy_cause_error = 0x2, + cphy_cause_fifo_error = 0x3 +}; + +enum { + PHY_LINK_UP = 0x1, + PHY_AUTONEG_RDY = 0x2, + PHY_AUTONEG_EN = 0x4 }; struct cphy; @@ -81,7 +88,18 @@ struct cphy_ops { /* A PHY instance */ struct cphy { int addr; /* PHY address */ + int state; /* Link status state machine */ adapter_t *adapter; /* associated adapter */ + + struct work_struct phy_update; + + u16 bmsr; + int count; + int act_count; + int act_on; + + u32 elmer_gpo; + struct cphy_ops *ops; /* PHY operations */ int (*mdio_read)(adapter_t *adapter, int phy_addr, int mmd_addr, int reg_addr, unsigned int *val); @@ -142,6 +160,10 @@ struct gphy { int (*reset)(adapter_t *adapter); }; +extern struct gphy t1_my3126_ops; +extern struct gphy t1_mv88e1xxx_ops; +extern struct gphy t1_vsc8244_ops; +extern struct gphy t1_xpak_ops; extern struct gphy t1_mv88x201x_ops; extern struct gphy t1_dummy_phy_ops; diff --git a/drivers/net/chelsio/cpl5_cmd.h b/drivers/net/chelsio/cpl5_cmd.h index 5b357d9e88d..35f565be4fd 100644 --- a/drivers/net/chelsio/cpl5_cmd.h +++ b/drivers/net/chelsio/cpl5_cmd.h @@ -46,24 +46,385 @@ #endif enum CPL_opcode { + CPL_PASS_OPEN_REQ = 0x1, + CPL_PASS_OPEN_RPL = 0x2, + CPL_PASS_ESTABLISH = 0x3, + CPL_PASS_ACCEPT_REQ = 0xE, + CPL_PASS_ACCEPT_RPL = 0x4, + CPL_ACT_OPEN_REQ = 0x5, + CPL_ACT_OPEN_RPL = 0x6, + CPL_CLOSE_CON_REQ = 0x7, + CPL_CLOSE_CON_RPL = 0x8, + CPL_CLOSE_LISTSRV_REQ = 0x9, + CPL_CLOSE_LISTSRV_RPL = 0xA, + CPL_ABORT_REQ = 0xB, + CPL_ABORT_RPL = 0xC, + CPL_PEER_CLOSE = 0xD, + CPL_ACT_ESTABLISH = 0x17, + + CPL_GET_TCB = 0x24, + CPL_GET_TCB_RPL = 0x25, + CPL_SET_TCB = 0x26, + CPL_SET_TCB_FIELD = 0x27, + CPL_SET_TCB_RPL = 0x28, + CPL_PCMD = 0x29, + + CPL_PCMD_READ = 0x31, + CPL_PCMD_READ_RPL = 0x32, + + + CPL_RX_DATA = 0xA0, + CPL_RX_DATA_DDP = 0xA1, + CPL_RX_DATA_ACK = 0xA3, CPL_RX_PKT = 0xAD, + CPL_RX_ISCSI_HDR = 0xAF, + CPL_TX_DATA_ACK = 0xB0, + CPL_TX_DATA = 0xB1, CPL_TX_PKT = 0xB2, CPL_TX_PKT_LSO = 0xB6, + + CPL_RTE_DELETE_REQ = 0xC0, + CPL_RTE_DELETE_RPL = 0xC1, + CPL_RTE_WRITE_REQ = 0xC2, + CPL_RTE_WRITE_RPL = 0xD3, + CPL_RTE_READ_REQ = 0xC3, + CPL_RTE_READ_RPL = 0xC4, + CPL_L2T_WRITE_REQ = 0xC5, + CPL_L2T_WRITE_RPL = 0xD4, + CPL_L2T_READ_REQ = 0xC6, + CPL_L2T_READ_RPL = 0xC7, + CPL_SMT_WRITE_REQ = 0xC8, + CPL_SMT_WRITE_RPL = 0xD5, + CPL_SMT_READ_REQ = 0xC9, + CPL_SMT_READ_RPL = 0xCA, + CPL_ARP_MISS_REQ = 0xCD, + CPL_ARP_MISS_RPL = 0xCE, + CPL_MIGRATE_C2T_REQ = 0xDC, + CPL_MIGRATE_C2T_RPL = 0xDD, + CPL_ERROR = 0xD7, + + /* internal: driver -> TOM */ + CPL_MSS_CHANGE = 0xE1 }; -enum { /* TX_PKT_LSO ethernet types */ +#define NUM_CPL_CMDS 256 + +enum CPL_error { + CPL_ERR_NONE = 0, + CPL_ERR_TCAM_PARITY = 1, + CPL_ERR_TCAM_FULL = 3, + CPL_ERR_CONN_RESET = 20, + CPL_ERR_CONN_EXIST = 22, + CPL_ERR_ARP_MISS = 23, + CPL_ERR_BAD_SYN = 24, + CPL_ERR_CONN_TIMEDOUT = 30, + CPL_ERR_XMIT_TIMEDOUT = 31, + CPL_ERR_PERSIST_TIMEDOUT = 32, + CPL_ERR_FINWAIT2_TIMEDOUT = 33, + CPL_ERR_KEEPALIVE_TIMEDOUT = 34, + CPL_ERR_ABORT_FAILED = 42, + CPL_ERR_GENERAL = 99 +}; + +enum { + CPL_CONN_POLICY_AUTO = 0, + CPL_CONN_POLICY_ASK = 1, + CPL_CONN_POLICY_DENY = 3 +}; + +enum { + ULP_MODE_NONE = 0, + ULP_MODE_TCPDDP = 1, + ULP_MODE_ISCSI = 2, + ULP_MODE_IWARP = 3, + ULP_MODE_SSL = 4 +}; + +enum { + CPL_PASS_OPEN_ACCEPT, + CPL_PASS_OPEN_REJECT +}; + +enum { + CPL_ABORT_SEND_RST = 0, + CPL_ABORT_NO_RST, + CPL_ABORT_POST_CLOSE_REQ = 2 +}; + +enum { // TX_PKT_LSO ethernet types CPL_ETH_II, CPL_ETH_II_VLAN, CPL_ETH_802_3, CPL_ETH_802_3_VLAN }; -struct cpl_rx_data { +union opcode_tid { + u32 opcode_tid; + u8 opcode; +}; + +#define S_OPCODE 24 +#define V_OPCODE(x) ((x) << S_OPCODE) +#define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF) +#define G_TID(x) ((x) & 0xFFFFFF) + +/* tid is assumed to be 24-bits */ +#define MK_OPCODE_TID(opcode, tid) (V_OPCODE(opcode) | (tid)) + +#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid) + +/* extract the TID from a CPL command */ +#define GET_TID(cmd) (G_TID(ntohl(OPCODE_TID(cmd)))) + +struct tcp_options { + u16 mss; + u8 wsf; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 rsvd:4; + u8 ecn:1; + u8 sack:1; + u8 tstamp:1; +#else + u8 tstamp:1; + u8 sack:1; + u8 ecn:1; + u8 rsvd:4; +#endif +}; + +struct cpl_pass_open_req { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 opt0h; + u32 opt0l; + u32 peer_netmask; + u32 opt1; +}; + +struct cpl_pass_open_rpl { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u8 resvd[7]; + u8 status; +}; + +struct cpl_pass_establish { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 tos_tid; + u8 l2t_idx; + u8 rsvd[3]; + u32 snd_isn; + u32 rcv_isn; +}; + +struct cpl_pass_accept_req { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 tos_tid; + struct tcp_options tcp_options; + u8 dst_mac[6]; + u16 vlan_tag; + u8 src_mac[6]; + u8 rsvd[2]; + u32 rcv_isn; + u32 unknown_tcp_options; +}; + +struct cpl_pass_accept_rpl { + union opcode_tid ot; + u32 rsvd0; + u32 rsvd1; + u32 peer_ip; + u32 opt0h; + union { + u32 opt0l; + struct { + u8 rsvd[3]; + u8 status; + }; + }; +}; + +struct cpl_act_open_req { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 opt0h; + u32 opt0l; + u32 iff_vlantag; + u32 rsvd; +}; + +struct cpl_act_open_rpl { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 new_tid; + u8 rsvd[3]; + u8 status; +}; + +struct cpl_act_establish { + union opcode_tid ot; + u16 local_port; + u16 peer_port; + u32 local_ip; + u32 peer_ip; + u32 tos_tid; + u32 rsvd; + u32 snd_isn; + u32 rcv_isn; +}; + +struct cpl_get_tcb { + union opcode_tid ot; + u32 rsvd; +}; + +struct cpl_get_tcb_rpl { + union opcode_tid ot; + u16 len; + u8 rsvd; + u8 status; +}; + +struct cpl_set_tcb { + union opcode_tid ot; + u16 len; + u16 rsvd; +}; + +struct cpl_set_tcb_field { + union opcode_tid ot; + u8 rsvd[3]; + u8 offset; + u32 mask; + u32 val; +}; + +struct cpl_set_tcb_rpl { + union opcode_tid ot; + u8 rsvd[3]; + u8 status; +}; + +struct cpl_pcmd { + union opcode_tid ot; + u16 dlen_in; + u16 dlen_out; + u32 pcmd_parm[2]; +}; + +struct cpl_pcmd_read { + union opcode_tid ot; + u32 rsvd1; + u16 rsvd2; + u32 addr; + u16 len; +}; + +struct cpl_pcmd_read_rpl { + union opcode_tid ot; + u16 len; +}; + +struct cpl_close_con_req { + union opcode_tid ot; + u32 rsvd; +}; + +struct cpl_close_con_rpl { + union opcode_tid ot; + u8 rsvd[3]; + u8 status; + u32 snd_nxt; + u32 rcv_nxt; +}; + +struct cpl_close_listserv_req { + union opcode_tid ot; + u32 rsvd; +}; + +struct cpl_close_listserv_rpl { + union opcode_tid ot; + u8 rsvd[3]; + u8 status; +}; + +struct cpl_abort_req { + union opcode_tid ot; u32 rsvd0; + u8 rsvd1; + u8 cmd; + u8 rsvd2[6]; +}; + +struct cpl_abort_rpl { + union opcode_tid ot; + u32 rsvd0; + u8 rsvd1; + u8 status; + u8 rsvd2[6]; +}; + +struct cpl_peer_close { + union opcode_tid ot; + u32 rsvd; +}; + +struct cpl_tx_data { + union opcode_tid ot; + u32 len; + u32 rsvd0; + u16 urg; + u16 flags; +}; + +struct cpl_tx_data_ack { + union opcode_tid ot; + u32 ack_seq; +}; + +struct cpl_rx_data { + union opcode_tid ot; u32 len; u32 seq; u16 urg; - u8 rsvd1; + u8 rsvd; + u8 status; +}; + +struct cpl_rx_data_ack { + union opcode_tid ot; + u32 credit; +}; + +struct cpl_rx_data_ddp { + union opcode_tid ot; + u32 len; + u32 seq; + u32 nxt_seq; + u32 ulp_crc; + u16 ddp_status; + u8 rsvd; u8 status; }; @@ -99,9 +460,9 @@ struct cpl_tx_pkt_lso { u8 ip_csum_dis:1; u8 l4_csum_dis:1; u8 vlan_valid:1; - u8 rsvd:1; + u8 :1; #else - u8 rsvd:1; + u8 :1; u8 vlan_valid:1; u8 l4_csum_dis:1; u8 ip_csum_dis:1; @@ -110,8 +471,7 @@ struct cpl_tx_pkt_lso { u16 vlan; __be32 len; - u32 rsvd2; - u8 rsvd3; + u8 rsvd[5]; #if defined(__LITTLE_ENDIAN_BITFIELD) u8 tcp_hdr_words:4; u8 ip_hdr_words:4; @@ -138,8 +498,142 @@ struct cpl_rx_pkt { u8 iff:4; #endif u16 csum; - __be16 vlan; + u16 vlan; u16 len; }; +struct cpl_l2t_write_req { + union opcode_tid ot; + u32 params; + u8 rsvd1[2]; + u8 dst_mac[6]; +}; + +struct cpl_l2t_write_rpl { + union opcode_tid ot; + u8 status; + u8 rsvd[3]; +}; + +struct cpl_l2t_read_req { + union opcode_tid ot; + u8 rsvd[3]; + u8 l2t_idx; +}; + +struct cpl_l2t_read_rpl { + union opcode_tid ot; + u32 params; + u8 rsvd1[2]; + u8 dst_mac[6]; +}; + +struct cpl_smt_write_req { + union opcode_tid ot; + u8 rsvd0; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 rsvd1:1; + u8 mtu_idx:3; + u8 iff:4; +#else + u8 iff:4; + u8 mtu_idx:3; + u8 rsvd1:1; +#endif + u16 rsvd2; + u16 rsvd3; + u8 src_mac1[6]; + u16 rsvd4; + u8 src_mac0[6]; +}; + +struct cpl_smt_write_rpl { + union opcode_tid ot; + u8 status; + u8 rsvd[3]; +}; + +struct cpl_smt_read_req { + union opcode_tid ot; + u8 rsvd0; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 rsvd1:4; + u8 iff:4; +#else + u8 iff:4; + u8 rsvd1:4; +#endif + u16 rsvd2; +}; + +struct cpl_smt_read_rpl { + union opcode_tid ot; + u8 status; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 rsvd1:1; + u8 mtu_idx:3; + u8 rsvd0:4; +#else + u8 rsvd0:4; + u8 mtu_idx:3; + u8 rsvd1:1; +#endif + u16 rsvd2; + u16 rsvd3; + u8 src_mac1[6]; + u16 rsvd4; + u8 src_mac0[6]; +}; + +struct cpl_rte_delete_req { + union opcode_tid ot; + u32 params; +}; + +struct cpl_rte_delete_rpl { + union opcode_tid ot; + u8 status; + u8 rsvd[3]; +}; + +struct cpl_rte_write_req { + union opcode_tid ot; + u32 params; + u32 netmask; + u32 faddr; +}; + +struct cpl_rte_write_rpl { + union opcode_tid ot; + u8 status; + u8 rsvd[3]; +}; + +struct cpl_rte_read_req { + union opcode_tid ot; + u32 params; +}; + +struct cpl_rte_read_rpl { + union opcode_tid ot; + u8 status; + u8 rsvd0[2]; + u8 l2t_idx; +#if defined(__LITTLE_ENDIAN_BITFIELD) + u8 rsvd1:7; + u8 select:1; +#else + u8 select:1; + u8 rsvd1:7; +#endif + u8 rsvd2[3]; + u32 addr; +}; + +struct cpl_mss_change { + union opcode_tid ot; + u32 mss; +}; + #endif /* _CXGB_CPL5_CMD_H_ */ + diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 42ad9cfd670..a8c873b0af5 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -53,7 +53,9 @@ #include "gmac.h" #include "cphy.h" #include "sge.h" +#include "tp.h" #include "espi.h" +#include "elmer0.h" #include @@ -73,10 +75,9 @@ static inline void cancel_mac_stats_update(struct adapter *ap) #define MAX_RX_JUMBO_BUFFERS 16384 #define MAX_TX_BUFFERS_HIGH 16384U #define MAX_TX_BUFFERS_LOW 1536U +#define MAX_TX_BUFFERS 1460U #define MIN_FL_ENTRIES 32 -#define PORT_MASK ((1 << MAX_NPORTS) - 1) - #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) @@ -94,8 +95,17 @@ MODULE_LICENSE("GPL"); static int dflt_msg_enable = DFLT_MSG_ENABLE; module_param(dflt_msg_enable, int, 0); -MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 message enable bitmap"); +MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T1 default message enable bitmap"); + +#define HCLOCK 0x0 +#define LCLOCK 0x1 + +/* T1 cards powersave mode */ +static int t1_clock(struct adapter *adapter, int mode); +static int t1powersave = 1; /* HW default is powersave mode. */ +module_param(t1powersave, int, 0); +MODULE_PARM_DESC(t1powersave, "Enable/Disable T1 powersaving mode"); static const char pci_speed[][4] = { "33", "66", "100", "133" @@ -135,7 +145,7 @@ static void link_report(struct port_info *p) } } -void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, +void t1_link_negotiated(struct adapter *adapter, int port_id, int link_stat, int speed, int duplex, int pause) { struct port_info *p = &adapter->port[port_id]; @@ -147,6 +157,22 @@ void t1_link_changed(struct adapter *adapter, int port_id, int link_stat, netif_carrier_off(p->dev); link_report(p); + /* multi-ports: inform toe */ + if ((speed > 0) && (adapter->params.nports > 1)) { + unsigned int sched_speed = 10; + switch (speed) { + case SPEED_1000: + sched_speed = 1000; + break; + case SPEED_100: + sched_speed = 100; + break; + case SPEED_10: + sched_speed = 10; + break; + } + t1_sched_update_parms(adapter->sge, port_id, 0, sched_speed); + } } } @@ -165,8 +191,10 @@ static void link_start(struct port_info *p) static void enable_hw_csum(struct adapter *adapter) { if (adapter->flags & TSO_CAPABLE) - t1_tp_set_ip_checksum_offload(adapter, 1); /* for TSO only */ - t1_tp_set_tcp_checksum_offload(adapter, 1); + t1_tp_set_ip_checksum_offload(adapter->tp, 1); /* for TSO only */ + if (adapter->flags & UDP_CSUM_CAPABLE) + t1_tp_set_udp_checksum_offload(adapter->tp, 1); + t1_tp_set_tcp_checksum_offload(adapter->tp, 1); } /* @@ -468,6 +496,18 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, *data++ = (u64)t->tx_reg_pkts; *data++ = (u64)t->tx_lso_pkts; *data++ = (u64)t->tx_do_cksum; + + if (adapter->espi) { + const struct espi_intr_counts *e; + + e = t1_espi_get_intr_counts(adapter->espi); + *data++ = (u64) e->DIP2_parity_err; + *data++ = (u64) e->DIP4_err; + *data++ = (u64) e->rx_drops; + *data++ = (u64) e->tx_drops; + *data++ = (u64) e->rx_ovflw; + *data++ = (u64) e->parity_err; + } } static inline void reg_block_dump(struct adapter *ap, void *buf, @@ -491,6 +531,15 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, memset(buf, 0, T2_REGMAP_SIZE); reg_block_dump(ap, buf, 0, A_SG_RESPACCUTIMER); + reg_block_dump(ap, buf, A_MC3_CFG, A_MC4_INT_CAUSE); + reg_block_dump(ap, buf, A_TPI_ADDR, A_TPI_PAR); + reg_block_dump(ap, buf, A_TP_IN_CONFIG, A_TP_TX_DROP_COUNT); + reg_block_dump(ap, buf, A_RAT_ROUTE_CONTROL, A_RAT_INTR_CAUSE); + reg_block_dump(ap, buf, A_CSPI_RX_AE_WM, A_CSPI_INTR_ENABLE); + reg_block_dump(ap, buf, A_ESPI_SCH_TOKEN0, A_ESPI_GOSTAT); + reg_block_dump(ap, buf, A_ULP_ULIMIT, A_ULP_PIO_CTRL); + reg_block_dump(ap, buf, A_PL_ENABLE, A_PL_CAUSE); + reg_block_dump(ap, buf, A_MC5_CONFIG, A_MC5_MASK_WRITE_CMD); } static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) @@ -729,7 +778,9 @@ static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) static int get_eeprom_len(struct net_device *dev) { - return EEPROM_SIZE; + struct adapter *adapter = dev->priv; + + return t1_is_asic(adapter) ? EEPROM_SIZE : 0; } #define EEPROM_MAGIC(ap) \ @@ -914,7 +965,7 @@ static void ext_intr_task(void *data) { struct adapter *adapter = data; - elmer0_ext_intr_handler(adapter); + t1_elmer0_ext_intr_handler(adapter); /* Now reenable external interrupts */ spin_lock_irq(&adapter->async_lock); @@ -1074,16 +1125,19 @@ static int __devinit init_one(struct pci_dev *pdev, netdev->vlan_rx_register = vlan_rx_register; netdev->vlan_rx_kill_vid = vlan_rx_kill_vid; #endif - adapter->flags |= TSO_CAPABLE; - netdev->features |= NETIF_F_TSO; + + /* T204: disable TSO */ + if (!(is_T2(adapter)) || bi->port_number != 4) { + adapter->flags |= TSO_CAPABLE; + netdev->features |= NETIF_F_TSO; + } } netdev->open = cxgb_open; netdev->stop = cxgb_close; netdev->hard_start_xmit = t1_start_xmit; netdev->hard_header_len += (adapter->flags & TSO_CAPABLE) ? - sizeof(struct cpl_tx_pkt_lso) : - sizeof(struct cpl_tx_pkt); + sizeof(struct cpl_tx_pkt_lso) : sizeof(struct cpl_tx_pkt); netdev->get_stats = t1_get_stats; netdev->set_multicast_list = t1_set_rxmode; netdev->do_ioctl = t1_ioctl; @@ -1134,6 +1188,17 @@ static int __devinit init_one(struct pci_dev *pdev, bi->desc, adapter->params.chip_revision, adapter->params.pci.is_pcix ? "PCIX" : "PCI", adapter->params.pci.speed, adapter->params.pci.width); + + /* + * Set the T1B ASIC and memory clocks. + */ + if (t1powersave) + adapter->t1powersave = LCLOCK; /* HW default is powersave mode. */ + else + adapter->t1powersave = HCLOCK; + if (t1_is_T1B(adapter)) + t1_clock(adapter, t1powersave); + return 0; out_release_adapter_res: @@ -1153,6 +1218,155 @@ static int __devinit init_one(struct pci_dev *pdev, return err; } +static void bit_bang(struct adapter *adapter, int bitdata, int nbits) +{ + int data; + int i; + u32 val; + + enum { + S_CLOCK = 1 << 3, + S_DATA = 1 << 4 + }; + + for (i = (nbits - 1); i > -1; i--) { + + udelay(50); + + data = ((bitdata >> i) & 0x1); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + + if (data) + val |= S_DATA; + else + val &= ~S_DATA; + + udelay(50); + + /* Set SCLOCK low */ + val &= ~S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + udelay(50); + + /* Write SCLOCK high */ + val |= S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + } +} + +static int t1_clock(struct adapter *adapter, int mode) +{ + u32 val; + int M_CORE_VAL; + int M_MEM_VAL; + + enum { + M_CORE_BITS = 9, + T_CORE_VAL = 0, + T_CORE_BITS = 2, + N_CORE_VAL = 0, + N_CORE_BITS = 2, + M_MEM_BITS = 9, + T_MEM_VAL = 0, + T_MEM_BITS = 2, + N_MEM_VAL = 0, + N_MEM_BITS = 2, + NP_LOAD = 1 << 17, + S_LOAD_MEM = 1 << 5, + S_LOAD_CORE = 1 << 6, + S_CLOCK = 1 << 3 + }; + + if (!t1_is_T1B(adapter)) + return -ENODEV; /* Can't re-clock this chip. */ + + if (mode & 2) { + return 0; /* show current mode. */ + } + + if ((adapter->t1powersave & 1) == (mode & 1)) + return -EALREADY; /* ASIC already running in mode. */ + + if ((mode & 1) == HCLOCK) { + M_CORE_VAL = 0x14; + M_MEM_VAL = 0x18; + adapter->t1powersave = HCLOCK; /* overclock */ + } else { + M_CORE_VAL = 0xe; + M_MEM_VAL = 0x10; + adapter->t1powersave = LCLOCK; /* underclock */ + } + + /* Don't interrupt this serial stream! */ + spin_lock(&adapter->tpi_lock); + + /* Initialize for ASIC core */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= NP_LOAD; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_CORE; + val &= ~S_CLOCK; + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Serial program the ASIC clock synthesizer */ + bit_bang(adapter, T_CORE_VAL, T_CORE_BITS); + bit_bang(adapter, N_CORE_VAL, N_CORE_BITS); + bit_bang(adapter, M_CORE_VAL, M_CORE_BITS); + udelay(50); + + /* Finish ASIC core */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= S_LOAD_CORE; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_CORE; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Initialize for memory */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= NP_LOAD; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_MEM; + val &= ~S_CLOCK; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + + /* Serial program the memory clock synthesizer */ + bit_bang(adapter, T_MEM_VAL, T_MEM_BITS); + bit_bang(adapter, N_MEM_VAL, N_MEM_BITS); + bit_bang(adapter, M_MEM_VAL, M_MEM_BITS); + udelay(50); + + /* Finish memory */ + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= S_LOAD_MEM; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(50); + __t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~S_LOAD_MEM; + udelay(50); + __t1_tpi_write(adapter, A_ELMER0_GPO, val); + + spin_unlock(&adapter->tpi_lock); + + return 0; +} + static inline void t1_sw_reset(struct pci_dev *pdev) { pci_write_config_dword(pdev, A_PCICFG_PM_CSR, 3); diff --git a/drivers/net/chelsio/elmer0.h b/drivers/net/chelsio/elmer0.h index 5590cb2dac1..9ebecaa97d3 100644 --- a/drivers/net/chelsio/elmer0.h +++ b/drivers/net/chelsio/elmer0.h @@ -39,6 +39,12 @@ #ifndef _CXGB_ELMER0_H_ #define _CXGB_ELMER0_H_ +/* ELMER0 flavors */ +enum { + ELMER0_XC2S300E_6FT256_C, + ELMER0_XC2S100E_6TQ144_C +}; + /* ELMER0 registers */ #define A_ELMER0_VERSION 0x100000 #define A_ELMER0_PHY_CFG 0x100004 @@ -149,3 +155,4 @@ #define MI1_OP_INDIRECT_READ 3 #endif /* _CXGB_ELMER0_H_ */ + diff --git a/drivers/net/chelsio/espi.c b/drivers/net/chelsio/espi.c index 40af47b795e..4192f0f5b3e 100644 --- a/drivers/net/chelsio/espi.c +++ b/drivers/net/chelsio/espi.c @@ -81,46 +81,36 @@ static int tricn_write(adapter_t *adapter, int bundle_addr, int module_addr, return busy; } -/* 1. Deassert rx_reset_core. */ -/* 2. Program TRICN_CNFG registers. */ -/* 3. Deassert rx_reset_link */ static int tricn_init(adapter_t *adapter) { - int i = 0; - int stat = 0; - int timeout = 0; - int is_ready = 0; + int i, sme = 1; - /* 1 */ - timeout=1000; - do { - stat = readl(adapter->regs + A_ESPI_RX_RESET); - is_ready = (stat & 0x4); - timeout--; - udelay(5); - } while (!is_ready || (timeout==0)); - writel(0x2, adapter->regs + A_ESPI_RX_RESET); - if (timeout==0) - { - CH_ERR("ESPI : ERROR : Timeout tricn_init() \n"); - t1_fatal_err(adapter); + if (!(readl(adapter->regs + A_ESPI_RX_RESET) & F_RX_CLK_STATUS)) { + CH_ERR("%s: ESPI clock not ready\n", adapter->name); + return -1; } - /* 2 */ - tricn_write(adapter, 0, 0, 0, TRICN_CNFG, 0x81); - tricn_write(adapter, 0, 1, 0, TRICN_CNFG, 0x81); - tricn_write(adapter, 0, 2, 0, TRICN_CNFG, 0x81); - for (i=1; i<= 8; i++) tricn_write(adapter, 0, 0, i, TRICN_CNFG, 0xf1); - for (i=1; i<= 2; i++) tricn_write(adapter, 0, 1, i, TRICN_CNFG, 0xf1); - for (i=1; i<= 3; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xe1); - for (i=4; i<= 4; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xf1); - for (i=5; i<= 5; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xe1); - for (i=6; i<= 6; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xf1); - for (i=7; i<= 7; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0x80); - for (i=8; i<= 8; i++) tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xf1); - - /* 3 */ - writel(0x3, adapter->regs + A_ESPI_RX_RESET); + writel(F_ESPI_RX_CORE_RST, adapter->regs + A_ESPI_RX_RESET); + + if (sme) { + tricn_write(adapter, 0, 0, 0, TRICN_CNFG, 0x81); + tricn_write(adapter, 0, 1, 0, TRICN_CNFG, 0x81); + tricn_write(adapter, 0, 2, 0, TRICN_CNFG, 0x81); + } + for (i = 1; i <= 8; i++) + tricn_write(adapter, 0, 0, i, TRICN_CNFG, 0xf1); + for (i = 1; i <= 2; i++) + tricn_write(adapter, 0, 1, i, TRICN_CNFG, 0xf1); + for (i = 1; i <= 3; i++) + tricn_write(adapter, 0, 2, i, TRICN_CNFG, 0xe1); + tricn_write(adapter, 0, 2, 4, TRICN_CNFG, 0xf1); + tricn_write(adapter, 0, 2, 5, TRICN_CNFG, 0xe1); + tricn_write(adapter, 0, 2, 6, TRICN_CNFG, 0xf1); + tricn_write(adapter, 0, 2, 7, TRICN_CNFG, 0x80); + tricn_write(adapter, 0, 2, 8, TRICN_CNFG, 0xf1); + + writel(F_ESPI_RX_CORE_RST | F_ESPI_RX_LNK_RST, + adapter->regs + A_ESPI_RX_RESET); return 0; } @@ -143,6 +133,7 @@ void t1_espi_intr_enable(struct peespi *espi) void t1_espi_intr_clear(struct peespi *espi) { + readl(espi->adapter->regs + A_ESPI_DIP2_ERR_COUNT); writel(0xffffffff, espi->adapter->regs + A_ESPI_INTR_STATUS); writel(F_PL_INTR_ESPI, espi->adapter->regs + A_PL_CAUSE); } @@ -157,7 +148,6 @@ void t1_espi_intr_disable(struct peespi *espi) int t1_espi_intr_handler(struct peespi *espi) { - u32 cnt; u32 status = readl(espi->adapter->regs + A_ESPI_INTR_STATUS); if (status & F_DIP4ERR) @@ -177,7 +167,7 @@ int t1_espi_intr_handler(struct peespi *espi) * Must read the error count to clear the interrupt * that it causes. */ - cnt = readl(espi->adapter->regs + A_ESPI_DIP2_ERR_COUNT); + readl(espi->adapter->regs + A_ESPI_DIP2_ERR_COUNT); } /* @@ -210,17 +200,45 @@ static void espi_setup_for_pm3393(adapter_t *adapter) writel(V_RX_NPORTS(1) | V_TX_NPORTS(1), adapter->regs + A_PORT_CONFIG); } -/* T2 Init part -- */ -/* 1. Set T_ESPI_MISCCTRL_ADDR */ -/* 2. Init ESPI registers. */ -/* 3. Init TriCN Hard Macro */ -int t1_espi_init(struct peespi *espi, int mac_type, int nports) +static void espi_setup_for_vsc7321(adapter_t *adapter) +{ + writel(0x1f4, adapter->regs + A_ESPI_SCH_TOKEN0); + writel(0x1f401f4, adapter->regs + A_ESPI_SCH_TOKEN1); + writel(0x1f4, adapter->regs + A_ESPI_SCH_TOKEN2); + writel(0xa00, adapter->regs + A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK); + writel(0x1ff, adapter->regs + A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK); + writel(1, adapter->regs + A_ESPI_CALENDAR_LENGTH); + writel(V_RX_NPORTS(4) | V_TX_NPORTS(4), adapter->regs + A_PORT_CONFIG); + + writel(0x08000008, adapter->regs + A_ESPI_TRAIN); +} + +/* + * Note that T1B requires at least 2 ports for IXF1010 due to a HW bug. + */ +static void espi_setup_for_ixf1010(adapter_t *adapter, int nports) { - u32 cnt; + writel(1, adapter->regs + A_ESPI_CALENDAR_LENGTH); + if (nports == 4) { + if (is_T2(adapter)) { + writel(0xf00, adapter->regs + A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK); + writel(0x3c0, adapter->regs + A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK); + } else { + writel(0x7ff, adapter->regs + A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK); + writel(0x1ff, adapter->regs + A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK); + } + } else { + writel(0x1fff, adapter->regs + A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK); + writel(0x7ff, adapter->regs + A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK); + } + writel(V_RX_NPORTS(nports) | V_TX_NPORTS(nports), adapter->regs + A_PORT_CONFIG); +} + +int t1_espi_init(struct peespi *espi, int mac_type, int nports) +{ u32 status_enable_extra = 0; adapter_t *adapter = espi->adapter; - u32 status, burstval = 0x800100; /* Disable ESPI training. MACs that can handle it enable it below. */ writel(0, adapter->regs + A_ESPI_TRAIN); @@ -229,38 +247,20 @@ int t1_espi_init(struct peespi *espi, int mac_type, int nports) writel(V_OUT_OF_SYNC_COUNT(4) | V_DIP2_PARITY_ERR_THRES(3) | V_DIP4_THRES(1), adapter->regs + A_ESPI_MISC_CONTROL); - if (nports == 4) { - /* T204: maxburst1 = 0x40, maxburst2 = 0x20 */ - burstval = 0x200040; - } - } - writel(burstval, adapter->regs + A_ESPI_MAXBURST1_MAXBURST2); + writel(nports == 4 ? 0x200040 : 0x1000080, + adapter->regs + A_ESPI_MAXBURST1_MAXBURST2); + } else + writel(0x800100, adapter->regs + A_ESPI_MAXBURST1_MAXBURST2); - switch (mac_type) { - case CHBT_MAC_PM3393: + if (mac_type == CHBT_MAC_PM3393) espi_setup_for_pm3393(adapter); - break; - default: + else if (mac_type == CHBT_MAC_VSC7321) + espi_setup_for_vsc7321(adapter); + else if (mac_type == CHBT_MAC_IXF1010) { + status_enable_extra = F_INTEL1010MODE; + espi_setup_for_ixf1010(adapter, nports); + } else return -1; - } - - /* - * Make sure any pending interrupts from the SPI are - * Cleared before enabling the interrupt. - */ - writel(ESPI_INTR_MASK, espi->adapter->regs + A_ESPI_INTR_ENABLE); - status = readl(espi->adapter->regs + A_ESPI_INTR_STATUS); - if (status & F_DIP2PARITYERR) { - cnt = readl(espi->adapter->regs + A_ESPI_DIP2_ERR_COUNT); - } - - /* - * For T1B we need to write 1 to clear ESPI interrupts. For T2+ we - * write the status as is. - */ - if (status && t1_is_T1B(espi->adapter)) - status = 1; - writel(status, espi->adapter->regs + A_ESPI_INTR_STATUS); writel(status_enable_extra | F_RXSTATUSENABLE, adapter->regs + A_ESPI_FIFO_STATUS_ENABLE); @@ -271,9 +271,11 @@ int t1_espi_init(struct peespi *espi, int mac_type, int nports) * Always position the control at the 1st port egress IN * (sop,eop) counter to reduce PIOs for T/N210 workaround. */ - espi->misc_ctrl = (readl(adapter->regs + A_ESPI_MISC_CONTROL) - & ~MON_MASK) | (F_MONITORED_DIRECTION - | F_MONITORED_INTERFACE); + espi->misc_ctrl = readl(adapter->regs + A_ESPI_MISC_CONTROL); + espi->misc_ctrl &= ~MON_MASK; + espi->misc_ctrl |= F_MONITORED_DIRECTION; + if (adapter->params.nports == 1) + espi->misc_ctrl |= F_MONITORED_INTERFACE; writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL); spin_lock_init(&espi->lock); } @@ -299,8 +301,7 @@ void t1_espi_set_misc_ctrl(adapter_t *adapter, u32 val) { struct peespi *espi = adapter->espi; - if (!is_T2(adapter)) - return; + if (!is_T2(adapter)) return; spin_lock(&espi->lock); espi->misc_ctrl = (val & ~MON_MASK) | (espi->misc_ctrl & MON_MASK); @@ -310,27 +311,61 @@ void t1_espi_set_misc_ctrl(adapter_t *adapter, u32 val) u32 t1_espi_get_mon(adapter_t *adapter, u32 addr, u8 wait) { - u32 sel; - struct peespi *espi = adapter->espi; + u32 sel; if (!is_T2(adapter)) return 0; + sel = V_MONITORED_PORT_NUM((addr & 0x3c) >> 2); if (!wait) { if (!spin_trylock(&espi->lock)) return 0; - } - else + } else spin_lock(&espi->lock); + if ((sel != (espi->misc_ctrl & MON_MASK))) { writel(((espi->misc_ctrl & ~MON_MASK) | sel), adapter->regs + A_ESPI_MISC_CONTROL); sel = readl(adapter->regs + A_ESPI_SCH_TOKEN3); writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL); - } - else + } else sel = readl(adapter->regs + A_ESPI_SCH_TOKEN3); spin_unlock(&espi->lock); return sel; } + +/* + * This function is for T204 only. + * compare with t1_espi_get_mon(), it reads espiInTxSop[0 ~ 3] in + * one shot, since there is no per port counter on the out side. + */ +int +t1_espi_get_mon_t204(adapter_t *adapter, u32 *valp, u8 wait) +{ + struct peespi *espi = adapter->espi; + u8 i, nport = (u8)adapter->params.nports; + + if (!wait) { + if (!spin_trylock(&espi->lock)) + return -1; + } else + spin_lock(&espi->lock); + + if ( (espi->misc_ctrl & MON_MASK) != F_MONITORED_DIRECTION ) { + espi->misc_ctrl = (espi->misc_ctrl & ~MON_MASK) | + F_MONITORED_DIRECTION; + writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL); + } + for (i = 0 ; i < nport; i++, valp++) { + if (i) { + writel(espi->misc_ctrl | V_MONITORED_PORT_NUM(i), + adapter->regs + A_ESPI_MISC_CONTROL); + } + *valp = readl(adapter->regs + A_ESPI_SCH_TOKEN3); + } + + writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL); + spin_unlock(&espi->lock); + return 0; +} diff --git a/drivers/net/chelsio/espi.h b/drivers/net/chelsio/espi.h index c90e37f8457..84f2c98bc4c 100644 --- a/drivers/net/chelsio/espi.h +++ b/drivers/net/chelsio/espi.h @@ -64,5 +64,6 @@ const struct espi_intr_counts *t1_espi_get_intr_counts(struct peespi *espi); void t1_espi_set_misc_ctrl(adapter_t *adapter, u32 val); u32 t1_espi_get_mon(adapter_t *adapter, u32 addr, u8 wait); +int t1_espi_get_mon_t204(adapter_t *, u32 *, u8); #endif /* _CXGB_ESPI_H_ */ diff --git a/drivers/net/chelsio/fpga_defs.h b/drivers/net/chelsio/fpga_defs.h new file mode 100644 index 00000000000..17a3c2ba36a --- /dev/null +++ b/drivers/net/chelsio/fpga_defs.h @@ -0,0 +1,232 @@ +/* $Date: 2005/03/07 23:59:05 $ $RCSfile: fpga_defs.h,v $ $Revision: 1.4 $ */ + +/* + * FPGA specific definitions + */ + +#ifndef __CHELSIO_FPGA_DEFS_H__ +#define __CHELSIO_FPGA_DEFS_H__ + +#define FPGA_PCIX_ADDR_VERSION 0xA08 +#define FPGA_PCIX_ADDR_STAT 0xA0C + +/* FPGA master interrupt Cause/Enable bits */ +#define FPGA_PCIX_INTERRUPT_SGE_ERROR 0x1 +#define FPGA_PCIX_INTERRUPT_SGE_DATA 0x2 +#define FPGA_PCIX_INTERRUPT_TP 0x4 +#define FPGA_PCIX_INTERRUPT_MC3 0x8 +#define FPGA_PCIX_INTERRUPT_GMAC 0x10 +#define FPGA_PCIX_INTERRUPT_PCIX 0x20 + +/* TP interrupt register addresses */ +#define FPGA_TP_ADDR_INTERRUPT_ENABLE 0xA10 +#define FPGA_TP_ADDR_INTERRUPT_CAUSE 0xA14 +#define FPGA_TP_ADDR_VERSION 0xA18 + +/* TP interrupt Cause/Enable bits */ +#define FPGA_TP_INTERRUPT_MC4 0x1 +#define FPGA_TP_INTERRUPT_MC5 0x2 + +/* + * PM interrupt register addresses + */ +#define FPGA_MC3_REG_INTRENABLE 0xA20 +#define FPGA_MC3_REG_INTRCAUSE 0xA24 +#define FPGA_MC3_REG_VERSION 0xA28 + +/* + * GMAC interrupt register addresses + */ +#define FPGA_GMAC_ADDR_INTERRUPT_ENABLE 0xA30 +#define FPGA_GMAC_ADDR_INTERRUPT_CAUSE 0xA34 +#define FPGA_GMAC_ADDR_VERSION 0xA38 + +/* GMAC Cause/Enable bits */ +#define FPGA_GMAC_INTERRUPT_PORT0 0x1 +#define FPGA_GMAC_INTERRUPT_PORT1 0x2 +#define FPGA_GMAC_INTERRUPT_PORT2 0x4 +#define FPGA_GMAC_INTERRUPT_PORT3 0x8 + +/* MI0 registers */ +#define A_MI0_CLK 0xb00 + +#define S_MI0_CLK_DIV 0 +#define M_MI0_CLK_DIV 0xff +#define V_MI0_CLK_DIV(x) ((x) << S_MI0_CLK_DIV) +#define G_MI0_CLK_DIV(x) (((x) >> S_MI0_CLK_DIV) & M_MI0_CLK_DIV) + +#define S_MI0_CLK_CNT 8 +#define M_MI0_CLK_CNT 0xff +#define V_MI0_CLK_CNT(x) ((x) << S_MI0_CLK_CNT) +#define G_MI0_CLK_CNT(x) (((x) >> S_MI0_CLK_CNT) & M_MI0_CLK_CNT) + +#define A_MI0_CSR 0xb04 + +#define S_MI0_CSR_POLL 0 +#define V_MI0_CSR_POLL(x) ((x) << S_MI0_CSR_POLL) +#define F_MI0_CSR_POLL V_MI0_CSR_POLL(1U) + +#define S_MI0_PREAMBLE 1 +#define V_MI0_PREAMBLE(x) ((x) << S_MI0_PREAMBLE) +#define F_MI0_PREAMBLE V_MI0_PREAMBLE(1U) + +#define S_MI0_INTR_ENABLE 2 +#define V_MI0_INTR_ENABLE(x) ((x) << S_MI0_INTR_ENABLE) +#define F_MI0_INTR_ENABLE V_MI0_INTR_ENABLE(1U) + +#define S_MI0_BUSY 3 +#define V_MI0_BUSY(x) ((x) << S_MI0_BUSY) +#define F_MI0_BUSY V_MI0_BUSY(1U) + +#define S_MI0_MDIO 4 +#define V_MI0_MDIO(x) ((x) << S_MI0_MDIO) +#define F_MI0_MDIO V_MI0_MDIO(1U) + +#define A_MI0_ADDR 0xb08 + +#define S_MI0_PHY_REG_ADDR 0 +#define M_MI0_PHY_REG_ADDR 0x1f +#define V_MI0_PHY_REG_ADDR(x) ((x) << S_MI0_PHY_REG_ADDR) +#define G_MI0_PHY_REG_ADDR(x) (((x) >> S_MI0_PHY_REG_ADDR) & M_MI0_PHY_REG_ADDR) + +#define S_MI0_PHY_ADDR 5 +#define M_MI0_PHY_ADDR 0x1f +#define V_MI0_PHY_ADDR(x) ((x) << S_MI0_PHY_ADDR) +#define G_MI0_PHY_ADDR(x) (((x) >> S_MI0_PHY_ADDR) & M_MI0_PHY_ADDR) + +#define A_MI0_DATA_EXT 0xb0c +#define A_MI0_DATA_INT 0xb10 + +/* GMAC registers */ +#define A_GMAC_MACID_LO 0x28 +#define A_GMAC_MACID_HI 0x2c +#define A_GMAC_CSR 0x30 + +#define S_INTERFACE 0 +#define M_INTERFACE 0x3 +#define V_INTERFACE(x) ((x) << S_INTERFACE) +#define G_INTERFACE(x) (((x) >> S_INTERFACE) & M_INTERFACE) + +#define S_MAC_TX_ENABLE 2 +#define V_MAC_TX_ENABLE(x) ((x) << S_MAC_TX_ENABLE) +#define F_MAC_TX_ENABLE V_MAC_TX_ENABLE(1U) + +#define S_MAC_RX_ENABLE 3 +#define V_MAC_RX_ENABLE(x) ((x) << S_MAC_RX_ENABLE) +#define F_MAC_RX_ENABLE V_MAC_RX_ENABLE(1U) + +#define S_MAC_LB_ENABLE 4 +#define V_MAC_LB_ENABLE(x) ((x) << S_MAC_LB_ENABLE) +#define F_MAC_LB_ENABLE V_MAC_LB_ENABLE(1U) + +#define S_MAC_SPEED 5 +#define M_MAC_SPEED 0x3 +#define V_MAC_SPEED(x) ((x) << S_MAC_SPEED) +#define G_MAC_SPEED(x) (((x) >> S_MAC_SPEED) & M_MAC_SPEED) + +#define S_MAC_HD_FC_ENABLE 7 +#define V_MAC_HD_FC_ENABLE(x) ((x) << S_MAC_HD_FC_ENABLE) +#define F_MAC_HD_FC_ENABLE V_MAC_HD_FC_ENABLE(1U) + +#define S_MAC_HALF_DUPLEX 8 +#define V_MAC_HALF_DUPLEX(x) ((x) << S_MAC_HALF_DUPLEX) +#define F_MAC_HALF_DUPLEX V_MAC_HALF_DUPLEX(1U) + +#define S_MAC_PROMISC 9 +#define V_MAC_PROMISC(x) ((x) << S_MAC_PROMISC) +#define F_MAC_PROMISC V_MAC_PROMISC(1U) + +#define S_MAC_MC_ENABLE 10 +#define V_MAC_MC_ENABLE(x) ((x) << S_MAC_MC_ENABLE) +#define F_MAC_MC_ENABLE V_MAC_MC_ENABLE(1U) + +#define S_MAC_RESET 11 +#define V_MAC_RESET(x) ((x) << S_MAC_RESET) +#define F_MAC_RESET V_MAC_RESET(1U) + +#define S_MAC_RX_PAUSE_ENABLE 12 +#define V_MAC_RX_PAUSE_ENABLE(x) ((x) << S_MAC_RX_PAUSE_ENABLE) +#define F_MAC_RX_PAUSE_ENABLE V_MAC_RX_PAUSE_ENABLE(1U) + +#define S_MAC_TX_PAUSE_ENABLE 13 +#define V_MAC_TX_PAUSE_ENABLE(x) ((x) << S_MAC_TX_PAUSE_ENABLE) +#define F_MAC_TX_PAUSE_ENABLE V_MAC_TX_PAUSE_ENABLE(1U) + +#define S_MAC_LWM_ENABLE 14 +#define V_MAC_LWM_ENABLE(x) ((x) << S_MAC_LWM_ENABLE) +#define F_MAC_LWM_ENABLE V_MAC_LWM_ENABLE(1U) + +#define S_MAC_MAGIC_PKT_ENABLE 15 +#define V_MAC_MAGIC_PKT_ENABLE(x) ((x) << S_MAC_MAGIC_PKT_ENABLE) +#define F_MAC_MAGIC_PKT_ENABLE V_MAC_MAGIC_PKT_ENABLE(1U) + +#define S_MAC_ISL_ENABLE 16 +#define V_MAC_ISL_ENABLE(x) ((x) << S_MAC_ISL_ENABLE) +#define F_MAC_ISL_ENABLE V_MAC_ISL_ENABLE(1U) + +#define S_MAC_JUMBO_ENABLE 17 +#define V_MAC_JUMBO_ENABLE(x) ((x) << S_MAC_JUMBO_ENABLE) +#define F_MAC_JUMBO_ENABLE V_MAC_JUMBO_ENABLE(1U) + +#define S_MAC_RX_PAD_ENABLE 18 +#define V_MAC_RX_PAD_ENABLE(x) ((x) << S_MAC_RX_PAD_ENABLE) +#define F_MAC_RX_PAD_ENABLE V_MAC_RX_PAD_ENABLE(1U) + +#define S_MAC_RX_CRC_ENABLE 19 +#define V_MAC_RX_CRC_ENABLE(x) ((x) << S_MAC_RX_CRC_ENABLE) +#define F_MAC_RX_CRC_ENABLE V_MAC_RX_CRC_ENABLE(1U) + +#define A_GMAC_IFS 0x34 + +#define S_MAC_IFS2 0 +#define M_MAC_IFS2 0x3f +#define V_MAC_IFS2(x) ((x) << S_MAC_IFS2) +#define G_MAC_IFS2(x) (((x) >> S_MAC_IFS2) & M_MAC_IFS2) + +#define S_MAC_IFS1 8 +#define M_MAC_IFS1 0x7f +#define V_MAC_IFS1(x) ((x) << S_MAC_IFS1) +#define G_MAC_IFS1(x) (((x) >> S_MAC_IFS1) & M_MAC_IFS1) + +#define A_GMAC_JUMBO_FRAME_LEN 0x38 +#define A_GMAC_LNK_DLY 0x3c +#define A_GMAC_PAUSETIME 0x40 +#define A_GMAC_MCAST_LO 0x44 +#define A_GMAC_MCAST_HI 0x48 +#define A_GMAC_MCAST_MASK_LO 0x4c +#define A_GMAC_MCAST_MASK_HI 0x50 +#define A_GMAC_RMT_CNT 0x54 +#define A_GMAC_RMT_DATA 0x58 +#define A_GMAC_BACKOFF_SEED 0x5c +#define A_GMAC_TXF_THRES 0x60 + +#define S_TXF_READ_THRESHOLD 0 +#define M_TXF_READ_THRESHOLD 0xff +#define V_TXF_READ_THRESHOLD(x) ((x) << S_TXF_READ_THRESHOLD) +#define G_TXF_READ_THRESHOLD(x) (((x) >> S_TXF_READ_THRESHOLD) & M_TXF_READ_THRESHOLD) + +#define S_TXF_WRITE_THRESHOLD 16 +#define M_TXF_WRITE_THRESHOLD 0xff +#define V_TXF_WRITE_THRESHOLD(x) ((x) << S_TXF_WRITE_THRESHOLD) +#define G_TXF_WRITE_THRESHOLD(x) (((x) >> S_TXF_WRITE_THRESHOLD) & M_TXF_WRITE_THRESHOLD) + +#define MAC_REG_BASE 0x600 +#define MAC_REG_ADDR(idx, reg) (MAC_REG_BASE + (idx) * 128 + (reg)) + +#define MAC_REG_IDLO(idx) MAC_REG_ADDR(idx, A_GMAC_MACID_LO) +#define MAC_REG_IDHI(idx) MAC_REG_ADDR(idx, A_GMAC_MACID_HI) +#define MAC_REG_CSR(idx) MAC_REG_ADDR(idx, A_GMAC_CSR) +#define MAC_REG_IFS(idx) MAC_REG_ADDR(idx, A_GMAC_IFS) +#define MAC_REG_LARGEFRAMELENGTH(idx) MAC_REG_ADDR(idx, A_GMAC_JUMBO_FRAME_LEN) +#define MAC_REG_LINKDLY(idx) MAC_REG_ADDR(idx, A_GMAC_LNK_DLY) +#define MAC_REG_PAUSETIME(idx) MAC_REG_ADDR(idx, A_GMAC_PAUSETIME) +#define MAC_REG_CASTLO(idx) MAC_REG_ADDR(idx, A_GMAC_MCAST_LO) +#define MAC_REG_MCASTHI(idx) MAC_REG_ADDR(idx, A_GMAC_MCAST_HI) +#define MAC_REG_CASTMASKLO(idx) MAC_REG_ADDR(idx, A_GMAC_MCAST_MASK_LO) +#define MAC_REG_MCASTMASKHI(idx) MAC_REG_ADDR(idx, A_GMAC_MCAST_MASK_HI) +#define MAC_REG_RMCNT(idx) MAC_REG_ADDR(idx, A_GMAC_RMT_CNT) +#define MAC_REG_RMDATA(idx) MAC_REG_ADDR(idx, A_GMAC_RMT_DATA) +#define MAC_REG_GMRANDBACKOFFSEED(idx) MAC_REG_ADDR(idx, A_GMAC_BACKOFF_SEED) +#define MAC_REG_TXFTHRESHOLDS(idx) MAC_REG_ADDR(idx, A_GMAC_TXF_THRES) + +#endif diff --git a/drivers/net/chelsio/gmac.h b/drivers/net/chelsio/gmac.h index 746b0eeea96..a2b8ad9b553 100644 --- a/drivers/net/chelsio/gmac.h +++ b/drivers/net/chelsio/gmac.h @@ -62,6 +62,8 @@ struct cmac_statistics { u64 TxInternalMACXmitError; u64 TxFramesWithExcessiveDeferral; u64 TxFCSErrors; + u64 TxJumboFramesOK; + u64 TxJumboOctetsOK; /* Receive */ u64 RxOctetsOK; @@ -81,6 +83,8 @@ struct cmac_statistics { u64 RxInRangeLengthErrors; u64 RxOutOfRangeLengthField; u64 RxFrameTooLongErrors; + u64 RxJumboFramesOK; + u64 RxJumboOctetsOK; }; struct cmac_ops { @@ -128,6 +132,7 @@ struct gmac { extern struct gmac t1_pm3393_ops; extern struct gmac t1_chelsio_mac_ops; extern struct gmac t1_vsc7321_ops; +extern struct gmac t1_vsc7326_ops; extern struct gmac t1_ixf1010_ops; extern struct gmac t1_dummy_mac_ops; diff --git a/drivers/net/chelsio/mv88e1xxx.h b/drivers/net/chelsio/mv88e1xxx.h new file mode 100644 index 00000000000..967cc428635 --- /dev/null +++ b/drivers/net/chelsio/mv88e1xxx.h @@ -0,0 +1,127 @@ +/* $Date: 2005/03/07 23:59:05 $ $RCSfile: mv88e1xxx.h,v $ $Revision: 1.13 $ */ +#ifndef CHELSIO_MV8E1XXX_H +#define CHELSIO_MV8E1XXX_H + +#ifndef BMCR_SPEED1000 +# define BMCR_SPEED1000 0x40 +#endif + +#ifndef ADVERTISE_PAUSE +# define ADVERTISE_PAUSE 0x400 +#endif +#ifndef ADVERTISE_PAUSE_ASYM +# define ADVERTISE_PAUSE_ASYM 0x800 +#endif + +/* Gigabit MII registers */ +#define MII_GBCR 9 /* 1000Base-T control register */ +#define MII_GBSR 10 /* 1000Base-T status register */ + +/* 1000Base-T control register fields */ +#define GBCR_ADV_1000HALF 0x100 +#define GBCR_ADV_1000FULL 0x200 +#define GBCR_PREFER_MASTER 0x400 +#define GBCR_MANUAL_AS_MASTER 0x800 +#define GBCR_MANUAL_CONFIG_ENABLE 0x1000 + +/* 1000Base-T status register fields */ +#define GBSR_LP_1000HALF 0x400 +#define GBSR_LP_1000FULL 0x800 +#define GBSR_REMOTE_OK 0x1000 +#define GBSR_LOCAL_OK 0x2000 +#define GBSR_LOCAL_MASTER 0x4000 +#define GBSR_MASTER_FAULT 0x8000 + +/* Marvell PHY interrupt status bits. */ +#define MV88E1XXX_INTR_JABBER 0x0001 +#define MV88E1XXX_INTR_POLARITY_CHNG 0x0002 +#define MV88E1XXX_INTR_ENG_DETECT_CHNG 0x0010 +#define MV88E1XXX_INTR_DOWNSHIFT 0x0020 +#define MV88E1XXX_INTR_MDI_XOVER_CHNG 0x0040 +#define MV88E1XXX_INTR_FIFO_OVER_UNDER 0x0080 +#define MV88E1XXX_INTR_FALSE_CARRIER 0x0100 +#define MV88E1XXX_INTR_SYMBOL_ERROR 0x0200 +#define MV88E1XXX_INTR_LINK_CHNG 0x0400 +#define MV88E1XXX_INTR_AUTONEG_DONE 0x0800 +#define MV88E1XXX_INTR_PAGE_RECV 0x1000 +#define MV88E1XXX_INTR_DUPLEX_CHNG 0x2000 +#define MV88E1XXX_INTR_SPEED_CHNG 0x4000 +#define MV88E1XXX_INTR_AUTONEG_ERR 0x8000 + +/* Marvell PHY specific registers. */ +#define MV88E1XXX_SPECIFIC_CNTRL_REGISTER 16 +#define MV88E1XXX_SPECIFIC_STATUS_REGISTER 17 +#define MV88E1XXX_INTERRUPT_ENABLE_REGISTER 18 +#define MV88E1XXX_INTERRUPT_STATUS_REGISTER 19 +#define MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_REGISTER 20 +#define MV88E1XXX_RECV_ERR_CNTR_REGISTER 21 +#define MV88E1XXX_RES_REGISTER 22 +#define MV88E1XXX_GLOBAL_STATUS_REGISTER 23 +#define MV88E1XXX_LED_CONTROL_REGISTER 24 +#define MV88E1XXX_MANUAL_LED_OVERRIDE_REGISTER 25 +#define MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_2_REGISTER 26 +#define MV88E1XXX_EXT_PHY_SPECIFIC_STATUS_REGISTER 27 +#define MV88E1XXX_VIRTUAL_CABLE_TESTER_REGISTER 28 +#define MV88E1XXX_EXTENDED_ADDR_REGISTER 29 +#define MV88E1XXX_EXTENDED_REGISTER 30 + +/* PHY specific control register fields */ +#define S_PSCR_MDI_XOVER_MODE 5 +#define M_PSCR_MDI_XOVER_MODE 0x3 +#define V_PSCR_MDI_XOVER_MODE(x) ((x) << S_PSCR_MDI_XOVER_MODE) +#define G_PSCR_MDI_XOVER_MODE(x) (((x) >> S_PSCR_MDI_XOVER_MODE) & M_PSCR_MDI_XOVER_MODE) + +/* Extended PHY specific control register fields */ +#define S_DOWNSHIFT_ENABLE 8 +#define V_DOWNSHIFT_ENABLE (1 << S_DOWNSHIFT_ENABLE) + +#define S_DOWNSHIFT_CNT 9 +#define M_DOWNSHIFT_CNT 0x7 +#define V_DOWNSHIFT_CNT(x) ((x) << S_DOWNSHIFT_CNT) +#define G_DOWNSHIFT_CNT(x) (((x) >> S_DOWNSHIFT_CNT) & M_DOWNSHIFT_CNT) + +/* PHY specific status register fields */ +#define S_PSSR_JABBER 0 +#define V_PSSR_JABBER (1 << S_PSSR_JABBER) + +#define S_PSSR_POLARITY 1 +#define V_PSSR_POLARITY (1 << S_PSSR_POLARITY) + +#define S_PSSR_RX_PAUSE 2 +#define V_PSSR_RX_PAUSE (1 << S_PSSR_RX_PAUSE) + +#define S_PSSR_TX_PAUSE 3 +#define V_PSSR_TX_PAUSE (1 << S_PSSR_TX_PAUSE) + +#define S_PSSR_ENERGY_DETECT 4 +#define V_PSSR_ENERGY_DETECT (1 << S_PSSR_ENERGY_DETECT) + +#define S_PSSR_DOWNSHIFT_STATUS 5 +#define V_PSSR_DOWNSHIFT_STATUS (1 << S_PSSR_DOWNSHIFT_STATUS) + +#define S_PSSR_MDI 6 +#define V_PSSR_MDI (1 << S_PSSR_MDI) + +#define S_PSSR_CABLE_LEN 7 +#define M_PSSR_CABLE_LEN 0x7 +#define V_PSSR_CABLE_LEN(x) ((x) << S_PSSR_CABLE_LEN) +#define G_PSSR_CABLE_LEN(x) (((x) >> S_PSSR_CABLE_LEN) & M_PSSR_CABLE_LEN) + +#define S_PSSR_LINK 10 +#define V_PSSR_LINK (1 << S_PSSR_LINK) + +#define S_PSSR_STATUS_RESOLVED 11 +#define V_PSSR_STATUS_RESOLVED (1 << S_PSSR_STATUS_RESOLVED) + +#define S_PSSR_PAGE_RECEIVED 12 +#define V_PSSR_PAGE_RECEIVED (1 << S_PSSR_PAGE_RECEIVED) + +#define S_PSSR_DUPLEX 13 +#define V_PSSR_DUPLEX (1 << S_PSSR_DUPLEX) + +#define S_PSSR_SPEED 14 +#define M_PSSR_SPEED 0x3 +#define V_PSSR_SPEED(x) ((x) << S_PSSR_SPEED) +#define G_PSSR_SPEED(x) (((x) >> S_PSSR_SPEED) & M_PSSR_SPEED) + +#endif diff --git a/drivers/net/chelsio/mv88x201x.c b/drivers/net/chelsio/mv88x201x.c index bf7d8538885..c8e89480d90 100644 --- a/drivers/net/chelsio/mv88x201x.c +++ b/drivers/net/chelsio/mv88x201x.c @@ -85,29 +85,33 @@ static int mv88x201x_reset(struct cphy *cphy, int wait) static int mv88x201x_interrupt_enable(struct cphy *cphy) { - u32 elmer; - /* Enable PHY LASI interrupts. */ mdio_write(cphy, 0x1, 0x9002, 0x1); /* Enable Marvell interrupts through Elmer0. */ - t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); - elmer |= ELMER0_GP_BIT6; - t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer |= ELMER0_GP_BIT6; + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } return 0; } static int mv88x201x_interrupt_disable(struct cphy *cphy) { - u32 elmer; - /* Disable PHY LASI interrupts. */ mdio_write(cphy, 0x1, 0x9002, 0x0); /* Disable Marvell interrupts through Elmer0. */ - t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); - elmer &= ~ELMER0_GP_BIT6; - t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer &= ~ELMER0_GP_BIT6; + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } return 0; } @@ -140,9 +144,11 @@ static int mv88x201x_interrupt_clear(struct cphy *cphy) #endif /* Clear Marvell interrupts through Elmer0. */ - t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); - elmer |= ELMER0_GP_BIT6; - t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + if (t1_is_asic(cphy->adapter)) { + t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); + elmer |= ELMER0_GP_BIT6; + t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + } return 0; } diff --git a/drivers/net/chelsio/my3126.c b/drivers/net/chelsio/my3126.c new file mode 100644 index 00000000000..0b90014d5b3 --- /dev/null +++ b/drivers/net/chelsio/my3126.c @@ -0,0 +1,204 @@ +/* $Date: 2005/11/12 02:13:49 $ $RCSfile: my3126.c,v $ $Revision: 1.15 $ */ +#include "cphy.h" +#include "elmer0.h" +#include "suni1x10gexp_regs.h" + +/* Port Reset */ +static int my3126_reset(struct cphy *cphy, int wait) +{ + /* + * This can be done through registers. It is not required since + * a full chip reset is used. + */ + return (0); +} + +static int my3126_interrupt_enable(struct cphy *cphy) +{ + schedule_delayed_work(&cphy->phy_update, HZ/30); + t1_tpi_read(cphy->adapter, A_ELMER0_GPO, &cphy->elmer_gpo); + return (0); +} + +static int my3126_interrupt_disable(struct cphy *cphy) +{ + cancel_rearming_delayed_work(&cphy->phy_update); + return (0); +} + +static int my3126_interrupt_clear(struct cphy *cphy) +{ + return (0); +} + +#define OFFSET(REG_ADDR) (REG_ADDR << 2) + +static int my3126_interrupt_handler(struct cphy *cphy) +{ + u32 val; + u16 val16; + u16 status; + u32 act_count; + adapter_t *adapter; + adapter = cphy->adapter; + + if (cphy->count == 50) { + mdio_read(cphy, 0x1, 0x1, &val); + val16 = (u16) val; + status = cphy->bmsr ^ val16; + + if (status & BMSR_LSTATUS) + t1_link_changed(adapter, 0); + cphy->bmsr = val16; + + /* We have only enabled link change interrupts so it + must be that + */ + cphy->count = 0; + } + + t1_tpi_write(adapter, OFFSET(SUNI1x10GEXP_REG_MSTAT_CONTROL), + SUNI1x10GEXP_BITMSK_MSTAT_SNAP); + t1_tpi_read(adapter, + OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_1_LOW), &act_count); + t1_tpi_read(adapter, + OFFSET(SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW), &val); + act_count += val; + + /* Populate elmer_gpo with the register value */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + cphy->elmer_gpo = val; + + if ( (val & (1 << 8)) || (val & (1 << 19)) || + (cphy->act_count == act_count) || cphy->act_on ) { + if (is_T2(adapter)) + val |= (1 << 9); + else if (t1_is_T1B(adapter)) + val |= (1 << 20); + cphy->act_on = 0; + } else { + if (is_T2(adapter)) + val &= ~(1 << 9); + else if (t1_is_T1B(adapter)) + val &= ~(1 << 20); + cphy->act_on = 1; + } + + t1_tpi_write(adapter, A_ELMER0_GPO, val); + + cphy->elmer_gpo = val; + cphy->act_count = act_count; + cphy->count++; + + return cphy_cause_link_change; +} + +static void my3216_poll(void *arg) +{ + my3126_interrupt_handler(arg); +} + +static int my3126_set_loopback(struct cphy *cphy, int on) +{ + return (0); +} + +/* To check the activity LED */ +static int my3126_get_link_status(struct cphy *cphy, + int *link_ok, int *speed, int *duplex, int *fc) +{ + u32 val; + u16 val16; + adapter_t *adapter; + + adapter = cphy->adapter; + mdio_read(cphy, 0x1, 0x1, &val); + val16 = (u16) val; + + /* Populate elmer_gpo with the register value */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + cphy->elmer_gpo = val; + + *link_ok = (val16 & BMSR_LSTATUS); + + if (*link_ok) { + /* Turn on the LED. */ + if (is_T2(adapter)) + val &= ~(1 << 8); + else if (t1_is_T1B(adapter)) + val &= ~(1 << 19); + } else { + /* Turn off the LED. */ + if (is_T2(adapter)) + val |= (1 << 8); + else if (t1_is_T1B(adapter)) + val |= (1 << 19); + } + + t1_tpi_write(adapter, A_ELMER0_GPO, val); + cphy->elmer_gpo = val; + *speed = SPEED_10000; + *duplex = DUPLEX_FULL; + + /* need to add flow control */ + if (fc) + *fc = PAUSE_RX | PAUSE_TX; + + return (0); +} + +static void my3126_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops my3126_ops = { + .destroy = my3126_destroy, + .reset = my3126_reset, + .interrupt_enable = my3126_interrupt_enable, + .interrupt_disable = my3126_interrupt_disable, + .interrupt_clear = my3126_interrupt_clear, + .interrupt_handler = my3126_interrupt_handler, + .get_link_status = my3126_get_link_status, + .set_loopback = my3126_set_loopback, +}; + +static struct cphy *my3126_phy_create(adapter_t *adapter, + int phy_addr, struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof (*cphy), GFP_KERNEL); + + if (cphy) + cphy_init(cphy, adapter, phy_addr, &my3126_ops, mdio_ops); + + INIT_WORK(&cphy->phy_update, my3216_poll, cphy); + cphy->bmsr = 0; + + return (cphy); +} + +/* Chip Reset */ +static int my3126_phy_reset(adapter_t * adapter) +{ + u32 val; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~4; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + msleep(100); + + t1_tpi_write(adapter, A_ELMER0_GPO, val | 4); + msleep(1000); + + /* Now lets enable the Laser. Delay 100us */ + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val |= 0x8000; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(100); + return (0); +} + +struct gphy t1_my3126_ops = { + my3126_phy_create, + my3126_phy_reset +}; diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c index 50983f9ce4b..b943f5ddd8f 100644 --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -88,6 +88,8 @@ enum { /* RMON registers */ RxJabbers = SUNI1x10GEXP_REG_MSTAT_COUNTER_16_LOW, RxFragments = SUNI1x10GEXP_REG_MSTAT_COUNTER_17_LOW, RxUndersizedFrames = SUNI1x10GEXP_REG_MSTAT_COUNTER_18_LOW, + RxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_25_LOW, + RxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_26_LOW, TxOctetsTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW, TxFramesLostDueToInternalMACTransmissionError = SUNI1x10GEXP_REG_MSTAT_COUNTER_35_LOW, @@ -95,7 +97,9 @@ enum { /* RMON registers */ TxUnicastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_38_LOW, TxMulticastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_40_LOW, TxBroadcastFramesTransmittedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_42_LOW, - TxPAUSEMACCtrlFramesTransmitted = SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW + TxPAUSEMACCtrlFramesTransmitted = SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW, + TxJumboFramesReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_51_LOW, + TxJumboOctetsReceivedOK = SUNI1x10GEXP_REG_MSTAT_COUNTER_52_LOW }; struct _cmac_instance { @@ -265,6 +269,8 @@ static int pm3393_interrupt_handler(struct cmac *cmac) /* Read the master interrupt status register. */ pmread(cmac, SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS, &master_intr_status); + CH_DBG(cmac->adapter, INTR, "PM3393 intr cause 0x%x\n", + master_intr_status); /* TBD XXX Lets just clear everything for now */ pm3393_interrupt_clear(cmac); @@ -307,11 +313,7 @@ static int pm3393_enable_port(struct cmac *cmac, int which) * The PHY doesn't give us link status indication on its own so have * the link management code query it instead. */ - { - extern void link_changed(adapter_t *adapter, int port_id); - - link_changed(cmac->adapter, 0); - } + t1_link_changed(cmac->adapter, 0); return 0; } @@ -519,6 +521,8 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac, RMON_UPDATE(mac, RxJabbers, RxJabberErrors); RMON_UPDATE(mac, RxFragments, RxRuntErrors); RMON_UPDATE(mac, RxUndersizedFrames, RxRuntErrors); + RMON_UPDATE(mac, RxJumboFramesReceivedOK, RxJumboFramesOK); + RMON_UPDATE(mac, RxJumboOctetsReceivedOK, RxJumboOctetsOK); /* Tx stats */ RMON_UPDATE(mac, TxOctetsTransmittedOK, TxOctetsOK); @@ -529,6 +533,8 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac, RMON_UPDATE(mac, TxMulticastFramesTransmittedOK, TxMulticastFramesOK); RMON_UPDATE(mac, TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK); RMON_UPDATE(mac, TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames); + RMON_UPDATE(mac, TxJumboFramesReceivedOK, TxJumboFramesOK); + RMON_UPDATE(mac, TxJumboOctetsReceivedOK, TxJumboOctetsOK); return &mac->stats; } @@ -814,6 +820,12 @@ static int pm3393_mac_reset(adapter_t * adapter) successful_reset = (is_pl4_reset_finished && !is_pl4_outof_lock && is_xaui_mabc_pll_locked); + + CH_DBG(adapter, HW, + "PM3393 HW reset %d: pl4_reset 0x%x, val 0x%x, " + "is_pl4_outof_lock 0x%x, xaui_locked 0x%x\n", + i, is_pl4_reset_finished, val, is_pl4_outof_lock, + is_xaui_mabc_pll_locked); } return successful_reset ? 0 : 1; } diff --git a/drivers/net/chelsio/regs.h b/drivers/net/chelsio/regs.h index b90e11f40d1..c80bf4d6d0a 100644 --- a/drivers/net/chelsio/regs.h +++ b/drivers/net/chelsio/regs.h @@ -71,6 +71,10 @@ #define V_CMDQ_PRIORITY(x) ((x) << S_CMDQ_PRIORITY) #define G_CMDQ_PRIORITY(x) (((x) >> S_CMDQ_PRIORITY) & M_CMDQ_PRIORITY) +#define S_DISABLE_CMDQ0_GTS 8 +#define V_DISABLE_CMDQ0_GTS(x) ((x) << S_DISABLE_CMDQ0_GTS) +#define F_DISABLE_CMDQ0_GTS V_DISABLE_CMDQ0_GTS(1U) + #define S_DISABLE_CMDQ1_GTS 9 #define V_DISABLE_CMDQ1_GTS(x) ((x) << S_DISABLE_CMDQ1_GTS) #define F_DISABLE_CMDQ1_GTS V_DISABLE_CMDQ1_GTS(1U) @@ -87,12 +91,18 @@ #define V_ENABLE_BIG_ENDIAN(x) ((x) << S_ENABLE_BIG_ENDIAN) #define F_ENABLE_BIG_ENDIAN V_ENABLE_BIG_ENDIAN(1U) +#define S_FL_SELECTION_CRITERIA 13 +#define V_FL_SELECTION_CRITERIA(x) ((x) << S_FL_SELECTION_CRITERIA) +#define F_FL_SELECTION_CRITERIA V_FL_SELECTION_CRITERIA(1U) + #define S_ISCSI_COALESCE 14 #define V_ISCSI_COALESCE(x) ((x) << S_ISCSI_COALESCE) #define F_ISCSI_COALESCE V_ISCSI_COALESCE(1U) #define S_RX_PKT_OFFSET 15 +#define M_RX_PKT_OFFSET 0x7 #define V_RX_PKT_OFFSET(x) ((x) << S_RX_PKT_OFFSET) +#define G_RX_PKT_OFFSET(x) (((x) >> S_RX_PKT_OFFSET) & M_RX_PKT_OFFSET) #define S_VLAN_XTRACT 18 #define V_VLAN_XTRACT(x) ((x) << S_VLAN_XTRACT) @@ -108,16 +118,114 @@ #define A_SG_FL1BASELWR 0x20 #define A_SG_FL1BASEUPR 0x24 #define A_SG_CMD0SIZE 0x28 + +#define S_CMDQ0_SIZE 0 +#define M_CMDQ0_SIZE 0x1ffff +#define V_CMDQ0_SIZE(x) ((x) << S_CMDQ0_SIZE) +#define G_CMDQ0_SIZE(x) (((x) >> S_CMDQ0_SIZE) & M_CMDQ0_SIZE) + #define A_SG_FL0SIZE 0x2c + +#define S_FL0_SIZE 0 +#define M_FL0_SIZE 0x1ffff +#define V_FL0_SIZE(x) ((x) << S_FL0_SIZE) +#define G_FL0_SIZE(x) (((x) >> S_FL0_SIZE) & M_FL0_SIZE) + #define A_SG_RSPSIZE 0x30 + +#define S_RESPQ_SIZE 0 +#define M_RESPQ_SIZE 0x1ffff +#define V_RESPQ_SIZE(x) ((x) << S_RESPQ_SIZE) +#define G_RESPQ_SIZE(x) (((x) >> S_RESPQ_SIZE) & M_RESPQ_SIZE) + #define A_SG_RSPBASELWR 0x34 #define A_SG_RSPBASEUPR 0x38 #define A_SG_FLTHRESHOLD 0x3c + +#define S_FL_THRESHOLD 0 +#define M_FL_THRESHOLD 0xffff +#define V_FL_THRESHOLD(x) ((x) << S_FL_THRESHOLD) +#define G_FL_THRESHOLD(x) (((x) >> S_FL_THRESHOLD) & M_FL_THRESHOLD) + #define A_SG_RSPQUEUECREDIT 0x40 + +#define S_RESPQ_CREDIT 0 +#define M_RESPQ_CREDIT 0x1ffff +#define V_RESPQ_CREDIT(x) ((x) << S_RESPQ_CREDIT) +#define G_RESPQ_CREDIT(x) (((x) >> S_RESPQ_CREDIT) & M_RESPQ_CREDIT) + #define A_SG_SLEEPING 0x48 + +#define S_SLEEPING 0 +#define M_SLEEPING 0xffff +#define V_SLEEPING(x) ((x) << S_SLEEPING) +#define G_SLEEPING(x) (((x) >> S_SLEEPING) & M_SLEEPING) + #define A_SG_INTRTIMER 0x4c + +#define S_INTERRUPT_TIMER_COUNT 0 +#define M_INTERRUPT_TIMER_COUNT 0xffffff +#define V_INTERRUPT_TIMER_COUNT(x) ((x) << S_INTERRUPT_TIMER_COUNT) +#define G_INTERRUPT_TIMER_COUNT(x) (((x) >> S_INTERRUPT_TIMER_COUNT) & M_INTERRUPT_TIMER_COUNT) + +#define A_SG_CMD0PTR 0x50 + +#define S_CMDQ0_POINTER 0 +#define M_CMDQ0_POINTER 0xffff +#define V_CMDQ0_POINTER(x) ((x) << S_CMDQ0_POINTER) +#define G_CMDQ0_POINTER(x) (((x) >> S_CMDQ0_POINTER) & M_CMDQ0_POINTER) + +#define S_CURRENT_GENERATION_BIT 16 +#define V_CURRENT_GENERATION_BIT(x) ((x) << S_CURRENT_GENERATION_BIT) +#define F_CURRENT_GENERATION_BIT V_CURRENT_GENERATION_BIT(1U) + +#define A_SG_CMD1PTR 0x54 + +#define S_CMDQ1_POINTER 0 +#define M_CMDQ1_POINTER 0xffff +#define V_CMDQ1_POINTER(x) ((x) << S_CMDQ1_POINTER) +#define G_CMDQ1_POINTER(x) (((x) >> S_CMDQ1_POINTER) & M_CMDQ1_POINTER) + +#define A_SG_FL0PTR 0x58 + +#define S_FL0_POINTER 0 +#define M_FL0_POINTER 0xffff +#define V_FL0_POINTER(x) ((x) << S_FL0_POINTER) +#define G_FL0_POINTER(x) (((x) >> S_FL0_POINTER) & M_FL0_POINTER) + +#define A_SG_FL1PTR 0x5c + +#define S_FL1_POINTER 0 +#define M_FL1_POINTER 0xffff +#define V_FL1_POINTER(x) ((x) << S_FL1_POINTER) +#define G_FL1_POINTER(x) (((x) >> S_FL1_POINTER) & M_FL1_POINTER) + +#define A_SG_VERSION 0x6c + +#define S_DAY 0 +#define M_DAY 0x1f +#define V_DAY(x) ((x) << S_DAY) +#define G_DAY(x) (((x) >> S_DAY) & M_DAY) + +#define S_MONTH 5 +#define M_MONTH 0xf +#define V_MONTH(x) ((x) << S_MONTH) +#define G_MONTH(x) (((x) >> S_MONTH) & M_MONTH) + #define A_SG_CMD1SIZE 0xb0 + +#define S_CMDQ1_SIZE 0 +#define M_CMDQ1_SIZE 0x1ffff +#define V_CMDQ1_SIZE(x) ((x) << S_CMDQ1_SIZE) +#define G_CMDQ1_SIZE(x) (((x) >> S_CMDQ1_SIZE) & M_CMDQ1_SIZE) + #define A_SG_FL1SIZE 0xb4 + +#define S_FL1_SIZE 0 +#define M_FL1_SIZE 0x1ffff +#define V_FL1_SIZE(x) ((x) << S_FL1_SIZE) +#define G_FL1_SIZE(x) (((x) >> S_FL1_SIZE) & M_FL1_SIZE) + #define A_SG_INT_ENABLE 0xb8 #define S_RESPQ_EXHAUSTED 0 @@ -144,21 +252,369 @@ #define A_SG_RESPACCUTIMER 0xc0 /* MC3 registers */ +#define A_MC3_CFG 0x100 + +#define S_CLK_ENABLE 0 +#define V_CLK_ENABLE(x) ((x) << S_CLK_ENABLE) +#define F_CLK_ENABLE V_CLK_ENABLE(1U) #define S_READY 1 #define V_READY(x) ((x) << S_READY) #define F_READY V_READY(1U) -/* MC4 registers */ +#define S_READ_TO_WRITE_DELAY 2 +#define M_READ_TO_WRITE_DELAY 0x7 +#define V_READ_TO_WRITE_DELAY(x) ((x) << S_READ_TO_WRITE_DELAY) +#define G_READ_TO_WRITE_DELAY(x) (((x) >> S_READ_TO_WRITE_DELAY) & M_READ_TO_WRITE_DELAY) + +#define S_WRITE_TO_READ_DELAY 5 +#define M_WRITE_TO_READ_DELAY 0x7 +#define V_WRITE_TO_READ_DELAY(x) ((x) << S_WRITE_TO_READ_DELAY) +#define G_WRITE_TO_READ_DELAY(x) (((x) >> S_WRITE_TO_READ_DELAY) & M_WRITE_TO_READ_DELAY) +#define S_MC3_BANK_CYCLE 8 +#define M_MC3_BANK_CYCLE 0xf +#define V_MC3_BANK_CYCLE(x) ((x) << S_MC3_BANK_CYCLE) +#define G_MC3_BANK_CYCLE(x) (((x) >> S_MC3_BANK_CYCLE) & M_MC3_BANK_CYCLE) + +#define S_REFRESH_CYCLE 12 +#define M_REFRESH_CYCLE 0xf +#define V_REFRESH_CYCLE(x) ((x) << S_REFRESH_CYCLE) +#define G_REFRESH_CYCLE(x) (((x) >> S_REFRESH_CYCLE) & M_REFRESH_CYCLE) + +#define S_PRECHARGE_CYCLE 16 +#define M_PRECHARGE_CYCLE 0x3 +#define V_PRECHARGE_CYCLE(x) ((x) << S_PRECHARGE_CYCLE) +#define G_PRECHARGE_CYCLE(x) (((x) >> S_PRECHARGE_CYCLE) & M_PRECHARGE_CYCLE) + +#define S_ACTIVE_TO_READ_WRITE_DELAY 18 +#define V_ACTIVE_TO_READ_WRITE_DELAY(x) ((x) << S_ACTIVE_TO_READ_WRITE_DELAY) +#define F_ACTIVE_TO_READ_WRITE_DELAY V_ACTIVE_TO_READ_WRITE_DELAY(1U) + +#define S_ACTIVE_TO_PRECHARGE_DELAY 19 +#define M_ACTIVE_TO_PRECHARGE_DELAY 0x7 +#define V_ACTIVE_TO_PRECHARGE_DELAY(x) ((x) << S_ACTIVE_TO_PRECHARGE_DELAY) +#define G_ACTIVE_TO_PRECHARGE_DELAY(x) (((x) >> S_ACTIVE_TO_PRECHARGE_DELAY) & M_ACTIVE_TO_PRECHARGE_DELAY) + +#define S_WRITE_RECOVERY_DELAY 22 +#define M_WRITE_RECOVERY_DELAY 0x3 +#define V_WRITE_RECOVERY_DELAY(x) ((x) << S_WRITE_RECOVERY_DELAY) +#define G_WRITE_RECOVERY_DELAY(x) (((x) >> S_WRITE_RECOVERY_DELAY) & M_WRITE_RECOVERY_DELAY) + +#define S_DENSITY 24 +#define M_DENSITY 0x3 +#define V_DENSITY(x) ((x) << S_DENSITY) +#define G_DENSITY(x) (((x) >> S_DENSITY) & M_DENSITY) + +#define S_ORGANIZATION 26 +#define V_ORGANIZATION(x) ((x) << S_ORGANIZATION) +#define F_ORGANIZATION V_ORGANIZATION(1U) + +#define S_BANKS 27 +#define V_BANKS(x) ((x) << S_BANKS) +#define F_BANKS V_BANKS(1U) + +#define S_UNREGISTERED 28 +#define V_UNREGISTERED(x) ((x) << S_UNREGISTERED) +#define F_UNREGISTERED V_UNREGISTERED(1U) + +#define S_MC3_WIDTH 29 +#define M_MC3_WIDTH 0x3 +#define V_MC3_WIDTH(x) ((x) << S_MC3_WIDTH) +#define G_MC3_WIDTH(x) (((x) >> S_MC3_WIDTH) & M_MC3_WIDTH) + +#define S_MC3_SLOW 31 +#define V_MC3_SLOW(x) ((x) << S_MC3_SLOW) +#define F_MC3_SLOW V_MC3_SLOW(1U) + +#define A_MC3_MODE 0x104 + +#define S_MC3_MODE 0 +#define M_MC3_MODE 0x3fff +#define V_MC3_MODE(x) ((x) << S_MC3_MODE) +#define G_MC3_MODE(x) (((x) >> S_MC3_MODE) & M_MC3_MODE) + +#define S_BUSY 31 +#define V_BUSY(x) ((x) << S_BUSY) +#define F_BUSY V_BUSY(1U) + +#define A_MC3_EXT_MODE 0x108 + +#define S_MC3_EXTENDED_MODE 0 +#define M_MC3_EXTENDED_MODE 0x3fff +#define V_MC3_EXTENDED_MODE(x) ((x) << S_MC3_EXTENDED_MODE) +#define G_MC3_EXTENDED_MODE(x) (((x) >> S_MC3_EXTENDED_MODE) & M_MC3_EXTENDED_MODE) + +#define A_MC3_PRECHARG 0x10c +#define A_MC3_REFRESH 0x110 + +#define S_REFRESH_ENABLE 0 +#define V_REFRESH_ENABLE(x) ((x) << S_REFRESH_ENABLE) +#define F_REFRESH_ENABLE V_REFRESH_ENABLE(1U) + +#define S_REFRESH_DIVISOR 1 +#define M_REFRESH_DIVISOR 0x3fff +#define V_REFRESH_DIVISOR(x) ((x) << S_REFRESH_DIVISOR) +#define G_REFRESH_DIVISOR(x) (((x) >> S_REFRESH_DIVISOR) & M_REFRESH_DIVISOR) + +#define A_MC3_STROBE 0x114 + +#define S_MASTER_DLL_RESET 0 +#define V_MASTER_DLL_RESET(x) ((x) << S_MASTER_DLL_RESET) +#define F_MASTER_DLL_RESET V_MASTER_DLL_RESET(1U) + +#define S_MASTER_DLL_TAP_COUNT 1 +#define M_MASTER_DLL_TAP_COUNT 0xff +#define V_MASTER_DLL_TAP_COUNT(x) ((x) << S_MASTER_DLL_TAP_COUNT) +#define G_MASTER_DLL_TAP_COUNT(x) (((x) >> S_MASTER_DLL_TAP_COUNT) & M_MASTER_DLL_TAP_COUNT) + +#define S_MASTER_DLL_LOCKED 9 +#define V_MASTER_DLL_LOCKED(x) ((x) << S_MASTER_DLL_LOCKED) +#define F_MASTER_DLL_LOCKED V_MASTER_DLL_LOCKED(1U) + +#define S_MASTER_DLL_MAX_TAP_COUNT 10 +#define V_MASTER_DLL_MAX_TAP_COUNT(x) ((x) << S_MASTER_DLL_MAX_TAP_COUNT) +#define F_MASTER_DLL_MAX_TAP_COUNT V_MASTER_DLL_MAX_TAP_COUNT(1U) + +#define S_MASTER_DLL_TAP_COUNT_OFFSET 11 +#define M_MASTER_DLL_TAP_COUNT_OFFSET 0x3f +#define V_MASTER_DLL_TAP_COUNT_OFFSET(x) ((x) << S_MASTER_DLL_TAP_COUNT_OFFSET) +#define G_MASTER_DLL_TAP_COUNT_OFFSET(x) (((x) >> S_MASTER_DLL_TAP_COUNT_OFFSET) & M_MASTER_DLL_TAP_COUNT_OFFSET) + +#define S_SLAVE_DLL_RESET 11 +#define V_SLAVE_DLL_RESET(x) ((x) << S_SLAVE_DLL_RESET) +#define F_SLAVE_DLL_RESET V_SLAVE_DLL_RESET(1U) + +#define S_SLAVE_DLL_DELTA 12 +#define M_SLAVE_DLL_DELTA 0xf +#define V_SLAVE_DLL_DELTA(x) ((x) << S_SLAVE_DLL_DELTA) +#define G_SLAVE_DLL_DELTA(x) (((x) >> S_SLAVE_DLL_DELTA) & M_SLAVE_DLL_DELTA) + +#define S_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT 17 +#define M_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT 0x3f +#define V_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT(x) ((x) << S_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT) +#define G_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT(x) (((x) >> S_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT) & M_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT) + +#define S_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT_ENABLE 23 +#define V_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT_ENABLE(x) ((x) << S_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT_ENABLE) +#define F_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT_ENABLE V_SLAVE_DELAY_LINE_MANUAL_TAP_COUNT_ENABLE(1U) + +#define S_SLAVE_DELAY_LINE_TAP_COUNT 24 +#define M_SLAVE_DELAY_LINE_TAP_COUNT 0x3f +#define V_SLAVE_DELAY_LINE_TAP_COUNT(x) ((x) << S_SLAVE_DELAY_LINE_TAP_COUNT) +#define G_SLAVE_DELAY_LINE_TAP_COUNT(x) (((x) >> S_SLAVE_DELAY_LINE_TAP_COUNT) & M_SLAVE_DELAY_LINE_TAP_COUNT) + +#define A_MC3_ECC_CNTL 0x118 + +#define S_ECC_GENERATION_ENABLE 0 +#define V_ECC_GENERATION_ENABLE(x) ((x) << S_ECC_GENERATION_ENABLE) +#define F_ECC_GENERATION_ENABLE V_ECC_GENERATION_ENABLE(1U) + +#define S_ECC_CHECK_ENABLE 1 +#define V_ECC_CHECK_ENABLE(x) ((x) << S_ECC_CHECK_ENABLE) +#define F_ECC_CHECK_ENABLE V_ECC_CHECK_ENABLE(1U) + +#define S_CORRECTABLE_ERROR_COUNT 2 +#define M_CORRECTABLE_ERROR_COUNT 0xff +#define V_CORRECTABLE_ERROR_COUNT(x) ((x) << S_CORRECTABLE_ERROR_COUNT) +#define G_CORRECTABLE_ERROR_COUNT(x) (((x) >> S_CORRECTABLE_ERROR_COUNT) & M_CORRECTABLE_ERROR_COUNT) + +#define S_UNCORRECTABLE_ERROR_COUNT 10 +#define M_UNCORRECTABLE_ERROR_COUNT 0xff +#define V_UNCORRECTABLE_ERROR_COUNT(x) ((x) << S_UNCORRECTABLE_ERROR_COUNT) +#define G_UNCORRECTABLE_ERROR_COUNT(x) (((x) >> S_UNCORRECTABLE_ERROR_COUNT) & M_UNCORRECTABLE_ERROR_COUNT) + +#define A_MC3_CE_ADDR 0x11c + +#define S_MC3_CE_ADDR 4 +#define M_MC3_CE_ADDR 0xfffffff +#define V_MC3_CE_ADDR(x) ((x) << S_MC3_CE_ADDR) +#define G_MC3_CE_ADDR(x) (((x) >> S_MC3_CE_ADDR) & M_MC3_CE_ADDR) + +#define A_MC3_CE_DATA0 0x120 +#define A_MC3_CE_DATA1 0x124 +#define A_MC3_CE_DATA2 0x128 +#define A_MC3_CE_DATA3 0x12c +#define A_MC3_CE_DATA4 0x130 +#define A_MC3_UE_ADDR 0x134 + +#define S_MC3_UE_ADDR 4 +#define M_MC3_UE_ADDR 0xfffffff +#define V_MC3_UE_ADDR(x) ((x) << S_MC3_UE_ADDR) +#define G_MC3_UE_ADDR(x) (((x) >> S_MC3_UE_ADDR) & M_MC3_UE_ADDR) + +#define A_MC3_UE_DATA0 0x138 +#define A_MC3_UE_DATA1 0x13c +#define A_MC3_UE_DATA2 0x140 +#define A_MC3_UE_DATA3 0x144 +#define A_MC3_UE_DATA4 0x148 +#define A_MC3_BD_ADDR 0x14c +#define A_MC3_BD_DATA0 0x150 +#define A_MC3_BD_DATA1 0x154 +#define A_MC3_BD_DATA2 0x158 +#define A_MC3_BD_DATA3 0x15c +#define A_MC3_BD_DATA4 0x160 +#define A_MC3_BD_OP 0x164 + +#define S_BACK_DOOR_OPERATION 0 +#define V_BACK_DOOR_OPERATION(x) ((x) << S_BACK_DOOR_OPERATION) +#define F_BACK_DOOR_OPERATION V_BACK_DOOR_OPERATION(1U) + +#define A_MC3_BIST_ADDR_BEG 0x168 +#define A_MC3_BIST_ADDR_END 0x16c +#define A_MC3_BIST_DATA 0x170 +#define A_MC3_BIST_OP 0x174 + +#define S_OP 0 +#define V_OP(x) ((x) << S_OP) +#define F_OP V_OP(1U) + +#define S_DATA_PATTERN 1 +#define M_DATA_PATTERN 0x3 +#define V_DATA_PATTERN(x) ((x) << S_DATA_PATTERN) +#define G_DATA_PATTERN(x) (((x) >> S_DATA_PATTERN) & M_DATA_PATTERN) + +#define S_CONTINUOUS 3 +#define V_CONTINUOUS(x) ((x) << S_CONTINUOUS) +#define F_CONTINUOUS V_CONTINUOUS(1U) + +#define A_MC3_INT_ENABLE 0x178 + +#define S_MC3_CORR_ERR 0 +#define V_MC3_CORR_ERR(x) ((x) << S_MC3_CORR_ERR) +#define F_MC3_CORR_ERR V_MC3_CORR_ERR(1U) + +#define S_MC3_UNCORR_ERR 1 +#define V_MC3_UNCORR_ERR(x) ((x) << S_MC3_UNCORR_ERR) +#define F_MC3_UNCORR_ERR V_MC3_UNCORR_ERR(1U) + +#define S_MC3_PARITY_ERR 2 +#define M_MC3_PARITY_ERR 0xff +#define V_MC3_PARITY_ERR(x) ((x) << S_MC3_PARITY_ERR) +#define G_MC3_PARITY_ERR(x) (((x) >> S_MC3_PARITY_ERR) & M_MC3_PARITY_ERR) + +#define S_MC3_ADDR_ERR 10 +#define V_MC3_ADDR_ERR(x) ((x) << S_MC3_ADDR_ERR) +#define F_MC3_ADDR_ERR V_MC3_ADDR_ERR(1U) + +#define A_MC3_INT_CAUSE 0x17c + +/* MC4 registers */ #define A_MC4_CFG 0x180 + +#define S_POWER_UP 0 +#define V_POWER_UP(x) ((x) << S_POWER_UP) +#define F_POWER_UP V_POWER_UP(1U) + +#define S_MC4_BANK_CYCLE 8 +#define M_MC4_BANK_CYCLE 0x7 +#define V_MC4_BANK_CYCLE(x) ((x) << S_MC4_BANK_CYCLE) +#define G_MC4_BANK_CYCLE(x) (((x) >> S_MC4_BANK_CYCLE) & M_MC4_BANK_CYCLE) + +#define S_MC4_NARROW 24 +#define V_MC4_NARROW(x) ((x) << S_MC4_NARROW) +#define F_MC4_NARROW V_MC4_NARROW(1U) + #define S_MC4_SLOW 25 #define V_MC4_SLOW(x) ((x) << S_MC4_SLOW) #define F_MC4_SLOW V_MC4_SLOW(1U) -/* TPI registers */ +#define S_MC4A_WIDTH 24 +#define M_MC4A_WIDTH 0x3 +#define V_MC4A_WIDTH(x) ((x) << S_MC4A_WIDTH) +#define G_MC4A_WIDTH(x) (((x) >> S_MC4A_WIDTH) & M_MC4A_WIDTH) + +#define S_MC4A_SLOW 26 +#define V_MC4A_SLOW(x) ((x) << S_MC4A_SLOW) +#define F_MC4A_SLOW V_MC4A_SLOW(1U) + +#define A_MC4_MODE 0x184 + +#define S_MC4_MODE 0 +#define M_MC4_MODE 0x7fff +#define V_MC4_MODE(x) ((x) << S_MC4_MODE) +#define G_MC4_MODE(x) (((x) >> S_MC4_MODE) & M_MC4_MODE) + +#define A_MC4_EXT_MODE 0x188 + +#define S_MC4_EXTENDED_MODE 0 +#define M_MC4_EXTENDED_MODE 0x7fff +#define V_MC4_EXTENDED_MODE(x) ((x) << S_MC4_EXTENDED_MODE) +#define G_MC4_EXTENDED_MODE(x) (((x) >> S_MC4_EXTENDED_MODE) & M_MC4_EXTENDED_MODE) + +#define A_MC4_REFRESH 0x190 +#define A_MC4_STROBE 0x194 +#define A_MC4_ECC_CNTL 0x198 +#define A_MC4_CE_ADDR 0x19c + +#define S_MC4_CE_ADDR 4 +#define M_MC4_CE_ADDR 0xffffff +#define V_MC4_CE_ADDR(x) ((x) << S_MC4_CE_ADDR) +#define G_MC4_CE_ADDR(x) (((x) >> S_MC4_CE_ADDR) & M_MC4_CE_ADDR) + +#define A_MC4_CE_DATA0 0x1a0 +#define A_MC4_CE_DATA1 0x1a4 +#define A_MC4_CE_DATA2 0x1a8 +#define A_MC4_CE_DATA3 0x1ac +#define A_MC4_CE_DATA4 0x1b0 +#define A_MC4_UE_ADDR 0x1b4 + +#define S_MC4_UE_ADDR 4 +#define M_MC4_UE_ADDR 0xffffff +#define V_MC4_UE_ADDR(x) ((x) << S_MC4_UE_ADDR) +#define G_MC4_UE_ADDR(x) (((x) >> S_MC4_UE_ADDR) & M_MC4_UE_ADDR) + +#define A_MC4_UE_DATA0 0x1b8 +#define A_MC4_UE_DATA1 0x1bc +#define A_MC4_UE_DATA2 0x1c0 +#define A_MC4_UE_DATA3 0x1c4 +#define A_MC4_UE_DATA4 0x1c8 +#define A_MC4_BD_ADDR 0x1cc + +#define S_MC4_BACK_DOOR_ADDR 0 +#define M_MC4_BACK_DOOR_ADDR 0xfffffff +#define V_MC4_BACK_DOOR_ADDR(x) ((x) << S_MC4_BACK_DOOR_ADDR) +#define G_MC4_BACK_DOOR_ADDR(x) (((x) >> S_MC4_BACK_DOOR_ADDR) & M_MC4_BACK_DOOR_ADDR) + +#define A_MC4_BD_DATA0 0x1d0 +#define A_MC4_BD_DATA1 0x1d4 +#define A_MC4_BD_DATA2 0x1d8 +#define A_MC4_BD_DATA3 0x1dc +#define A_MC4_BD_DATA4 0x1e0 +#define A_MC4_BD_OP 0x1e4 + +#define S_OPERATION 0 +#define V_OPERATION(x) ((x) << S_OPERATION) +#define F_OPERATION V_OPERATION(1U) + +#define A_MC4_BIST_ADDR_BEG 0x1e8 +#define A_MC4_BIST_ADDR_END 0x1ec +#define A_MC4_BIST_DATA 0x1f0 +#define A_MC4_BIST_OP 0x1f4 +#define A_MC4_INT_ENABLE 0x1f8 + +#define S_MC4_CORR_ERR 0 +#define V_MC4_CORR_ERR(x) ((x) << S_MC4_CORR_ERR) +#define F_MC4_CORR_ERR V_MC4_CORR_ERR(1U) + +#define S_MC4_UNCORR_ERR 1 +#define V_MC4_UNCORR_ERR(x) ((x) << S_MC4_UNCORR_ERR) +#define F_MC4_UNCORR_ERR V_MC4_UNCORR_ERR(1U) + +#define S_MC4_ADDR_ERR 2 +#define V_MC4_ADDR_ERR(x) ((x) << S_MC4_ADDR_ERR) +#define F_MC4_ADDR_ERR V_MC4_ADDR_ERR(1U) + +#define A_MC4_INT_CAUSE 0x1fc +/* TPI registers */ #define A_TPI_ADDR 0x280 + +#define S_TPI_ADDRESS 0 +#define M_TPI_ADDRESS 0xffffff +#define V_TPI_ADDRESS(x) ((x) << S_TPI_ADDRESS) +#define G_TPI_ADDRESS(x) (((x) >> S_TPI_ADDRESS) & M_TPI_ADDRESS) + #define A_TPI_WR_DATA 0x284 #define A_TPI_RD_DATA 0x288 #define A_TPI_CSR 0x28c @@ -171,6 +627,10 @@ #define V_TPIRDY(x) ((x) << S_TPIRDY) #define F_TPIRDY V_TPIRDY(1U) +#define S_INT_DIR 31 +#define V_INT_DIR(x) ((x) << S_INT_DIR) +#define F_INT_DIR V_INT_DIR(1U) + #define A_TPI_PAR 0x29c #define S_TPIPAR 0 @@ -178,14 +638,26 @@ #define V_TPIPAR(x) ((x) << S_TPIPAR) #define G_TPIPAR(x) (((x) >> S_TPIPAR) & M_TPIPAR) -/* TP registers */ +/* TP registers */ #define A_TP_IN_CONFIG 0x300 +#define S_TP_IN_CSPI_TUNNEL 0 +#define V_TP_IN_CSPI_TUNNEL(x) ((x) << S_TP_IN_CSPI_TUNNEL) +#define F_TP_IN_CSPI_TUNNEL V_TP_IN_CSPI_TUNNEL(1U) + +#define S_TP_IN_CSPI_ETHERNET 1 +#define V_TP_IN_CSPI_ETHERNET(x) ((x) << S_TP_IN_CSPI_ETHERNET) +#define F_TP_IN_CSPI_ETHERNET V_TP_IN_CSPI_ETHERNET(1U) + #define S_TP_IN_CSPI_CPL 3 #define V_TP_IN_CSPI_CPL(x) ((x) << S_TP_IN_CSPI_CPL) #define F_TP_IN_CSPI_CPL V_TP_IN_CSPI_CPL(1U) +#define S_TP_IN_CSPI_POS 4 +#define V_TP_IN_CSPI_POS(x) ((x) << S_TP_IN_CSPI_POS) +#define F_TP_IN_CSPI_POS V_TP_IN_CSPI_POS(1U) + #define S_TP_IN_CSPI_CHECK_IP_CSUM 5 #define V_TP_IN_CSPI_CHECK_IP_CSUM(x) ((x) << S_TP_IN_CSPI_CHECK_IP_CSUM) #define F_TP_IN_CSPI_CHECK_IP_CSUM V_TP_IN_CSPI_CHECK_IP_CSUM(1U) @@ -194,10 +666,22 @@ #define V_TP_IN_CSPI_CHECK_TCP_CSUM(x) ((x) << S_TP_IN_CSPI_CHECK_TCP_CSUM) #define F_TP_IN_CSPI_CHECK_TCP_CSUM V_TP_IN_CSPI_CHECK_TCP_CSUM(1U) +#define S_TP_IN_ESPI_TUNNEL 7 +#define V_TP_IN_ESPI_TUNNEL(x) ((x) << S_TP_IN_ESPI_TUNNEL) +#define F_TP_IN_ESPI_TUNNEL V_TP_IN_ESPI_TUNNEL(1U) + #define S_TP_IN_ESPI_ETHERNET 8 #define V_TP_IN_ESPI_ETHERNET(x) ((x) << S_TP_IN_ESPI_ETHERNET) #define F_TP_IN_ESPI_ETHERNET V_TP_IN_ESPI_ETHERNET(1U) +#define S_TP_IN_ESPI_CPL 10 +#define V_TP_IN_ESPI_CPL(x) ((x) << S_TP_IN_ESPI_CPL) +#define F_TP_IN_ESPI_CPL V_TP_IN_ESPI_CPL(1U) + +#define S_TP_IN_ESPI_POS 11 +#define V_TP_IN_ESPI_POS(x) ((x) << S_TP_IN_ESPI_POS) +#define F_TP_IN_ESPI_POS V_TP_IN_ESPI_POS(1U) + #define S_TP_IN_ESPI_CHECK_IP_CSUM 12 #define V_TP_IN_ESPI_CHECK_IP_CSUM(x) ((x) << S_TP_IN_ESPI_CHECK_IP_CSUM) #define F_TP_IN_ESPI_CHECK_IP_CSUM V_TP_IN_ESPI_CHECK_IP_CSUM(1U) @@ -212,14 +696,42 @@ #define A_TP_OUT_CONFIG 0x304 +#define S_TP_OUT_C_ETH 0 +#define V_TP_OUT_C_ETH(x) ((x) << S_TP_OUT_C_ETH) +#define F_TP_OUT_C_ETH V_TP_OUT_C_ETH(1U) + #define S_TP_OUT_CSPI_CPL 2 #define V_TP_OUT_CSPI_CPL(x) ((x) << S_TP_OUT_CSPI_CPL) #define F_TP_OUT_CSPI_CPL V_TP_OUT_CSPI_CPL(1U) +#define S_TP_OUT_CSPI_POS 3 +#define V_TP_OUT_CSPI_POS(x) ((x) << S_TP_OUT_CSPI_POS) +#define F_TP_OUT_CSPI_POS V_TP_OUT_CSPI_POS(1U) + +#define S_TP_OUT_CSPI_GENERATE_IP_CSUM 4 +#define V_TP_OUT_CSPI_GENERATE_IP_CSUM(x) ((x) << S_TP_OUT_CSPI_GENERATE_IP_CSUM) +#define F_TP_OUT_CSPI_GENERATE_IP_CSUM V_TP_OUT_CSPI_GENERATE_IP_CSUM(1U) + +#define S_TP_OUT_CSPI_GENERATE_TCP_CSUM 5 +#define V_TP_OUT_CSPI_GENERATE_TCP_CSUM(x) ((x) << S_TP_OUT_CSPI_GENERATE_TCP_CSUM) +#define F_TP_OUT_CSPI_GENERATE_TCP_CSUM V_TP_OUT_CSPI_GENERATE_TCP_CSUM(1U) + #define S_TP_OUT_ESPI_ETHERNET 6 #define V_TP_OUT_ESPI_ETHERNET(x) ((x) << S_TP_OUT_ESPI_ETHERNET) #define F_TP_OUT_ESPI_ETHERNET V_TP_OUT_ESPI_ETHERNET(1U) +#define S_TP_OUT_ESPI_TAG_ETHERNET 7 +#define V_TP_OUT_ESPI_TAG_ETHERNET(x) ((x) << S_TP_OUT_ESPI_TAG_ETHERNET) +#define F_TP_OUT_ESPI_TAG_ETHERNET V_TP_OUT_ESPI_TAG_ETHERNET(1U) + +#define S_TP_OUT_ESPI_CPL 8 +#define V_TP_OUT_ESPI_CPL(x) ((x) << S_TP_OUT_ESPI_CPL) +#define F_TP_OUT_ESPI_CPL V_TP_OUT_ESPI_CPL(1U) + +#define S_TP_OUT_ESPI_POS 9 +#define V_TP_OUT_ESPI_POS(x) ((x) << S_TP_OUT_ESPI_POS) +#define F_TP_OUT_ESPI_POS V_TP_OUT_ESPI_POS(1U) + #define S_TP_OUT_ESPI_GENERATE_IP_CSUM 10 #define V_TP_OUT_ESPI_GENERATE_IP_CSUM(x) ((x) << S_TP_OUT_ESPI_GENERATE_IP_CSUM) #define F_TP_OUT_ESPI_GENERATE_IP_CSUM V_TP_OUT_ESPI_GENERATE_IP_CSUM(1U) @@ -233,6 +745,16 @@ #define S_IP_TTL 0 #define M_IP_TTL 0xff #define V_IP_TTL(x) ((x) << S_IP_TTL) +#define G_IP_TTL(x) (((x) >> S_IP_TTL) & M_IP_TTL) + +#define S_TCAM_SERVER_REGION_USAGE 8 +#define M_TCAM_SERVER_REGION_USAGE 0x3 +#define V_TCAM_SERVER_REGION_USAGE(x) ((x) << S_TCAM_SERVER_REGION_USAGE) +#define G_TCAM_SERVER_REGION_USAGE(x) (((x) >> S_TCAM_SERVER_REGION_USAGE) & M_TCAM_SERVER_REGION_USAGE) + +#define S_QOS_MAPPING 10 +#define V_QOS_MAPPING(x) ((x) << S_QOS_MAPPING) +#define F_QOS_MAPPING V_QOS_MAPPING(1U) #define S_TCP_CSUM 11 #define V_TCP_CSUM(x) ((x) << S_TCP_CSUM) @@ -246,31 +768,476 @@ #define V_IP_CSUM(x) ((x) << S_IP_CSUM) #define F_IP_CSUM V_IP_CSUM(1U) +#define S_IP_ID_SPLIT 14 +#define V_IP_ID_SPLIT(x) ((x) << S_IP_ID_SPLIT) +#define F_IP_ID_SPLIT V_IP_ID_SPLIT(1U) + #define S_PATH_MTU 15 #define V_PATH_MTU(x) ((x) << S_PATH_MTU) #define F_PATH_MTU V_PATH_MTU(1U) #define S_5TUPLE_LOOKUP 17 +#define M_5TUPLE_LOOKUP 0x3 #define V_5TUPLE_LOOKUP(x) ((x) << S_5TUPLE_LOOKUP) +#define G_5TUPLE_LOOKUP(x) (((x) >> S_5TUPLE_LOOKUP) & M_5TUPLE_LOOKUP) + +#define S_IP_FRAGMENT_DROP 19 +#define V_IP_FRAGMENT_DROP(x) ((x) << S_IP_FRAGMENT_DROP) +#define F_IP_FRAGMENT_DROP V_IP_FRAGMENT_DROP(1U) + +#define S_PING_DROP 20 +#define V_PING_DROP(x) ((x) << S_PING_DROP) +#define F_PING_DROP V_PING_DROP(1U) + +#define S_PROTECT_MODE 21 +#define V_PROTECT_MODE(x) ((x) << S_PROTECT_MODE) +#define F_PROTECT_MODE V_PROTECT_MODE(1U) + +#define S_SYN_COOKIE_ALGORITHM 22 +#define V_SYN_COOKIE_ALGORITHM(x) ((x) << S_SYN_COOKIE_ALGORITHM) +#define F_SYN_COOKIE_ALGORITHM V_SYN_COOKIE_ALGORITHM(1U) + +#define S_ATTACK_FILTER 23 +#define V_ATTACK_FILTER(x) ((x) << S_ATTACK_FILTER) +#define F_ATTACK_FILTER V_ATTACK_FILTER(1U) + +#define S_INTERFACE_TYPE 24 +#define V_INTERFACE_TYPE(x) ((x) << S_INTERFACE_TYPE) +#define F_INTERFACE_TYPE V_INTERFACE_TYPE(1U) + +#define S_DISABLE_RX_FLOW_CONTROL 25 +#define V_DISABLE_RX_FLOW_CONTROL(x) ((x) << S_DISABLE_RX_FLOW_CONTROL) +#define F_DISABLE_RX_FLOW_CONTROL V_DISABLE_RX_FLOW_CONTROL(1U) #define S_SYN_COOKIE_PARAMETER 26 +#define M_SYN_COOKIE_PARAMETER 0x3f #define V_SYN_COOKIE_PARAMETER(x) ((x) << S_SYN_COOKIE_PARAMETER) +#define G_SYN_COOKIE_PARAMETER(x) (((x) >> S_SYN_COOKIE_PARAMETER) & M_SYN_COOKIE_PARAMETER) + +#define A_TP_GLOBAL_RX_CREDITS 0x30c +#define A_TP_CM_SIZE 0x310 +#define A_TP_CM_MM_BASE 0x314 + +#define S_CM_MEMMGR_BASE 0 +#define M_CM_MEMMGR_BASE 0xfffffff +#define V_CM_MEMMGR_BASE(x) ((x) << S_CM_MEMMGR_BASE) +#define G_CM_MEMMGR_BASE(x) (((x) >> S_CM_MEMMGR_BASE) & M_CM_MEMMGR_BASE) + +#define A_TP_CM_TIMER_BASE 0x318 + +#define S_CM_TIMER_BASE 0 +#define M_CM_TIMER_BASE 0xfffffff +#define V_CM_TIMER_BASE(x) ((x) << S_CM_TIMER_BASE) +#define G_CM_TIMER_BASE(x) (((x) >> S_CM_TIMER_BASE) & M_CM_TIMER_BASE) + +#define A_TP_PM_SIZE 0x31c +#define A_TP_PM_TX_BASE 0x320 +#define A_TP_PM_DEFRAG_BASE 0x324 +#define A_TP_PM_RX_BASE 0x328 +#define A_TP_PM_RX_PG_SIZE 0x32c +#define A_TP_PM_RX_MAX_PGS 0x330 +#define A_TP_PM_TX_PG_SIZE 0x334 +#define A_TP_PM_TX_MAX_PGS 0x338 +#define A_TP_TCP_OPTIONS 0x340 + +#define S_TIMESTAMP 0 +#define M_TIMESTAMP 0x3 +#define V_TIMESTAMP(x) ((x) << S_TIMESTAMP) +#define G_TIMESTAMP(x) (((x) >> S_TIMESTAMP) & M_TIMESTAMP) + +#define S_WINDOW_SCALE 2 +#define M_WINDOW_SCALE 0x3 +#define V_WINDOW_SCALE(x) ((x) << S_WINDOW_SCALE) +#define G_WINDOW_SCALE(x) (((x) >> S_WINDOW_SCALE) & M_WINDOW_SCALE) + +#define S_SACK 4 +#define M_SACK 0x3 +#define V_SACK(x) ((x) << S_SACK) +#define G_SACK(x) (((x) >> S_SACK) & M_SACK) + +#define S_ECN 6 +#define M_ECN 0x3 +#define V_ECN(x) ((x) << S_ECN) +#define G_ECN(x) (((x) >> S_ECN) & M_ECN) + +#define S_SACK_ALGORITHM 8 +#define M_SACK_ALGORITHM 0x3 +#define V_SACK_ALGORITHM(x) ((x) << S_SACK_ALGORITHM) +#define G_SACK_ALGORITHM(x) (((x) >> S_SACK_ALGORITHM) & M_SACK_ALGORITHM) + +#define S_MSS 10 +#define V_MSS(x) ((x) << S_MSS) +#define F_MSS V_MSS(1U) + +#define S_DEFAULT_PEER_MSS 16 +#define M_DEFAULT_PEER_MSS 0xffff +#define V_DEFAULT_PEER_MSS(x) ((x) << S_DEFAULT_PEER_MSS) +#define G_DEFAULT_PEER_MSS(x) (((x) >> S_DEFAULT_PEER_MSS) & M_DEFAULT_PEER_MSS) + +#define A_TP_DACK_CONFIG 0x344 + +#define S_DACK_MODE 0 +#define V_DACK_MODE(x) ((x) << S_DACK_MODE) +#define F_DACK_MODE V_DACK_MODE(1U) + +#define S_DACK_AUTO_MGMT 1 +#define V_DACK_AUTO_MGMT(x) ((x) << S_DACK_AUTO_MGMT) +#define F_DACK_AUTO_MGMT V_DACK_AUTO_MGMT(1U) + +#define S_DACK_AUTO_CAREFUL 2 +#define V_DACK_AUTO_CAREFUL(x) ((x) << S_DACK_AUTO_CAREFUL) +#define F_DACK_AUTO_CAREFUL V_DACK_AUTO_CAREFUL(1U) + +#define S_DACK_MSS_SELECTOR 3 +#define M_DACK_MSS_SELECTOR 0x3 +#define V_DACK_MSS_SELECTOR(x) ((x) << S_DACK_MSS_SELECTOR) +#define G_DACK_MSS_SELECTOR(x) (((x) >> S_DACK_MSS_SELECTOR) & M_DACK_MSS_SELECTOR) + +#define S_DACK_BYTE_THRESHOLD 5 +#define M_DACK_BYTE_THRESHOLD 0xfffff +#define V_DACK_BYTE_THRESHOLD(x) ((x) << S_DACK_BYTE_THRESHOLD) +#define G_DACK_BYTE_THRESHOLD(x) (((x) >> S_DACK_BYTE_THRESHOLD) & M_DACK_BYTE_THRESHOLD) #define A_TP_PC_CONFIG 0x348 + +#define S_TP_ACCESS_LATENCY 0 +#define M_TP_ACCESS_LATENCY 0xf +#define V_TP_ACCESS_LATENCY(x) ((x) << S_TP_ACCESS_LATENCY) +#define G_TP_ACCESS_LATENCY(x) (((x) >> S_TP_ACCESS_LATENCY) & M_TP_ACCESS_LATENCY) + +#define S_HELD_FIN_DISABLE 4 +#define V_HELD_FIN_DISABLE(x) ((x) << S_HELD_FIN_DISABLE) +#define F_HELD_FIN_DISABLE V_HELD_FIN_DISABLE(1U) + +#define S_DDP_FC_ENABLE 5 +#define V_DDP_FC_ENABLE(x) ((x) << S_DDP_FC_ENABLE) +#define F_DDP_FC_ENABLE V_DDP_FC_ENABLE(1U) + +#define S_RDMA_ERR_ENABLE 6 +#define V_RDMA_ERR_ENABLE(x) ((x) << S_RDMA_ERR_ENABLE) +#define F_RDMA_ERR_ENABLE V_RDMA_ERR_ENABLE(1U) + +#define S_FAST_PDU_DELIVERY 7 +#define V_FAST_PDU_DELIVERY(x) ((x) << S_FAST_PDU_DELIVERY) +#define F_FAST_PDU_DELIVERY V_FAST_PDU_DELIVERY(1U) + +#define S_CLEAR_FIN 8 +#define V_CLEAR_FIN(x) ((x) << S_CLEAR_FIN) +#define F_CLEAR_FIN V_CLEAR_FIN(1U) + #define S_DIS_TX_FILL_WIN_PUSH 12 #define V_DIS_TX_FILL_WIN_PUSH(x) ((x) << S_DIS_TX_FILL_WIN_PUSH) #define F_DIS_TX_FILL_WIN_PUSH V_DIS_TX_FILL_WIN_PUSH(1U) #define S_TP_PC_REV 30 #define M_TP_PC_REV 0x3 +#define V_TP_PC_REV(x) ((x) << S_TP_PC_REV) #define G_TP_PC_REV(x) (((x) >> S_TP_PC_REV) & M_TP_PC_REV) + +#define A_TP_BACKOFF0 0x350 + +#define S_ELEMENT0 0 +#define M_ELEMENT0 0xff +#define V_ELEMENT0(x) ((x) << S_ELEMENT0) +#define G_ELEMENT0(x) (((x) >> S_ELEMENT0) & M_ELEMENT0) + +#define S_ELEMENT1 8 +#define M_ELEMENT1 0xff +#define V_ELEMENT1(x) ((x) << S_ELEMENT1) +#define G_ELEMENT1(x) (((x) >> S_ELEMENT1) & M_ELEMENT1) + +#define S_ELEMENT2 16 +#define M_ELEMENT2 0xff +#define V_ELEMENT2(x) ((x) << S_ELEMENT2) +#define G_ELEMENT2(x) (((x) >> S_ELEMENT2) & M_ELEMENT2) + +#define S_ELEMENT3 24 +#define M_ELEMENT3 0xff +#define V_ELEMENT3(x) ((x) << S_ELEMENT3) +#define G_ELEMENT3(x) (((x) >> S_ELEMENT3) & M_ELEMENT3) + +#define A_TP_BACKOFF1 0x354 +#define A_TP_BACKOFF2 0x358 +#define A_TP_BACKOFF3 0x35c +#define A_TP_PARA_REG0 0x360 + +#define S_VAR_MULT 0 +#define M_VAR_MULT 0xf +#define V_VAR_MULT(x) ((x) << S_VAR_MULT) +#define G_VAR_MULT(x) (((x) >> S_VAR_MULT) & M_VAR_MULT) + +#define S_VAR_GAIN 4 +#define M_VAR_GAIN 0xf +#define V_VAR_GAIN(x) ((x) << S_VAR_GAIN) +#define G_VAR_GAIN(x) (((x) >> S_VAR_GAIN) & M_VAR_GAIN) + +#define S_SRTT_GAIN 8 +#define M_SRTT_GAIN 0xf +#define V_SRTT_GAIN(x) ((x) << S_SRTT_GAIN) +#define G_SRTT_GAIN(x) (((x) >> S_SRTT_GAIN) & M_SRTT_GAIN) + +#define S_RTTVAR_INIT 12 +#define M_RTTVAR_INIT 0xf +#define V_RTTVAR_INIT(x) ((x) << S_RTTVAR_INIT) +#define G_RTTVAR_INIT(x) (((x) >> S_RTTVAR_INIT) & M_RTTVAR_INIT) + +#define S_DUP_THRESH 20 +#define M_DUP_THRESH 0xf +#define V_DUP_THRESH(x) ((x) << S_DUP_THRESH) +#define G_DUP_THRESH(x) (((x) >> S_DUP_THRESH) & M_DUP_THRESH) + +#define S_INIT_CONG_WIN 24 +#define M_INIT_CONG_WIN 0x7 +#define V_INIT_CONG_WIN(x) ((x) << S_INIT_CONG_WIN) +#define G_INIT_CONG_WIN(x) (((x) >> S_INIT_CONG_WIN) & M_INIT_CONG_WIN) + +#define A_TP_PARA_REG1 0x364 + +#define S_INITIAL_SLOW_START_THRESHOLD 0 +#define M_INITIAL_SLOW_START_THRESHOLD 0xffff +#define V_INITIAL_SLOW_START_THRESHOLD(x) ((x) << S_INITIAL_SLOW_START_THRESHOLD) +#define G_INITIAL_SLOW_START_THRESHOLD(x) (((x) >> S_INITIAL_SLOW_START_THRESHOLD) & M_INITIAL_SLOW_START_THRESHOLD) + +#define S_RECEIVE_BUFFER_SIZE 16 +#define M_RECEIVE_BUFFER_SIZE 0xffff +#define V_RECEIVE_BUFFER_SIZE(x) ((x) << S_RECEIVE_BUFFER_SIZE) +#define G_RECEIVE_BUFFER_SIZE(x) (((x) >> S_RECEIVE_BUFFER_SIZE) & M_RECEIVE_BUFFER_SIZE) + +#define A_TP_PARA_REG2 0x368 + +#define S_RX_COALESCE_SIZE 0 +#define M_RX_COALESCE_SIZE 0xffff +#define V_RX_COALESCE_SIZE(x) ((x) << S_RX_COALESCE_SIZE) +#define G_RX_COALESCE_SIZE(x) (((x) >> S_RX_COALESCE_SIZE) & M_RX_COALESCE_SIZE) + +#define S_MAX_RX_SIZE 16 +#define M_MAX_RX_SIZE 0xffff +#define V_MAX_RX_SIZE(x) ((x) << S_MAX_RX_SIZE) +#define G_MAX_RX_SIZE(x) (((x) >> S_MAX_RX_SIZE) & M_MAX_RX_SIZE) + +#define A_TP_PARA_REG3 0x36c + +#define S_RX_COALESCING_PSH_DELIVER 0 +#define V_RX_COALESCING_PSH_DELIVER(x) ((x) << S_RX_COALESCING_PSH_DELIVER) +#define F_RX_COALESCING_PSH_DELIVER V_RX_COALESCING_PSH_DELIVER(1U) + +#define S_RX_COALESCING_ENABLE 1 +#define V_RX_COALESCING_ENABLE(x) ((x) << S_RX_COALESCING_ENABLE) +#define F_RX_COALESCING_ENABLE V_RX_COALESCING_ENABLE(1U) + +#define S_TAHOE_ENABLE 2 +#define V_TAHOE_ENABLE(x) ((x) << S_TAHOE_ENABLE) +#define F_TAHOE_ENABLE V_TAHOE_ENABLE(1U) + +#define S_MAX_REORDER_FRAGMENTS 12 +#define M_MAX_REORDER_FRAGMENTS 0x7 +#define V_MAX_REORDER_FRAGMENTS(x) ((x) << S_MAX_REORDER_FRAGMENTS) +#define G_MAX_REORDER_FRAGMENTS(x) (((x) >> S_MAX_REORDER_FRAGMENTS) & M_MAX_REORDER_FRAGMENTS) + +#define A_TP_TIMER_RESOLUTION 0x390 + +#define S_DELAYED_ACK_TIMER_RESOLUTION 0 +#define M_DELAYED_ACK_TIMER_RESOLUTION 0x3f +#define V_DELAYED_ACK_TIMER_RESOLUTION(x) ((x) << S_DELAYED_ACK_TIMER_RESOLUTION) +#define G_DELAYED_ACK_TIMER_RESOLUTION(x) (((x) >> S_DELAYED_ACK_TIMER_RESOLUTION) & M_DELAYED_ACK_TIMER_RESOLUTION) + +#define S_GENERIC_TIMER_RESOLUTION 16 +#define M_GENERIC_TIMER_RESOLUTION 0x3f +#define V_GENERIC_TIMER_RESOLUTION(x) ((x) << S_GENERIC_TIMER_RESOLUTION) +#define G_GENERIC_TIMER_RESOLUTION(x) (((x) >> S_GENERIC_TIMER_RESOLUTION) & M_GENERIC_TIMER_RESOLUTION) + +#define A_TP_2MSL 0x394 + +#define S_2MSL 0 +#define M_2MSL 0x3fffffff +#define V_2MSL(x) ((x) << S_2MSL) +#define G_2MSL(x) (((x) >> S_2MSL) & M_2MSL) + +#define A_TP_RXT_MIN 0x398 + +#define S_RETRANSMIT_TIMER_MIN 0 +#define M_RETRANSMIT_TIMER_MIN 0xffff +#define V_RETRANSMIT_TIMER_MIN(x) ((x) << S_RETRANSMIT_TIMER_MIN) +#define G_RETRANSMIT_TIMER_MIN(x) (((x) >> S_RETRANSMIT_TIMER_MIN) & M_RETRANSMIT_TIMER_MIN) + +#define A_TP_RXT_MAX 0x39c + +#define S_RETRANSMIT_TIMER_MAX 0 +#define M_RETRANSMIT_TIMER_MAX 0x3fffffff +#define V_RETRANSMIT_TIMER_MAX(x) ((x) << S_RETRANSMIT_TIMER_MAX) +#define G_RETRANSMIT_TIMER_MAX(x) (((x) >> S_RETRANSMIT_TIMER_MAX) & M_RETRANSMIT_TIMER_MAX) + +#define A_TP_PERS_MIN 0x3a0 + +#define S_PERSIST_TIMER_MIN 0 +#define M_PERSIST_TIMER_MIN 0xffff +#define V_PERSIST_TIMER_MIN(x) ((x) << S_PERSIST_TIMER_MIN) +#define G_PERSIST_TIMER_MIN(x) (((x) >> S_PERSIST_TIMER_MIN) & M_PERSIST_TIMER_MIN) + +#define A_TP_PERS_MAX 0x3a4 + +#define S_PERSIST_TIMER_MAX 0 +#define M_PERSIST_TIMER_MAX 0x3fffffff +#define V_PERSIST_TIMER_MAX(x) ((x) << S_PERSIST_TIMER_MAX) +#define G_PERSIST_TIMER_MAX(x) (((x) >> S_PERSIST_TIMER_MAX) & M_PERSIST_TIMER_MAX) + +#define A_TP_KEEP_IDLE 0x3ac + +#define S_KEEP_ALIVE_IDLE_TIME 0 +#define M_KEEP_ALIVE_IDLE_TIME 0x3fffffff +#define V_KEEP_ALIVE_IDLE_TIME(x) ((x) << S_KEEP_ALIVE_IDLE_TIME) +#define G_KEEP_ALIVE_IDLE_TIME(x) (((x) >> S_KEEP_ALIVE_IDLE_TIME) & M_KEEP_ALIVE_IDLE_TIME) + +#define A_TP_KEEP_INTVL 0x3b0 + +#define S_KEEP_ALIVE_INTERVAL_TIME 0 +#define M_KEEP_ALIVE_INTERVAL_TIME 0x3fffffff +#define V_KEEP_ALIVE_INTERVAL_TIME(x) ((x) << S_KEEP_ALIVE_INTERVAL_TIME) +#define G_KEEP_ALIVE_INTERVAL_TIME(x) (((x) >> S_KEEP_ALIVE_INTERVAL_TIME) & M_KEEP_ALIVE_INTERVAL_TIME) + +#define A_TP_INIT_SRTT 0x3b4 + +#define S_INITIAL_SRTT 0 +#define M_INITIAL_SRTT 0xffff +#define V_INITIAL_SRTT(x) ((x) << S_INITIAL_SRTT) +#define G_INITIAL_SRTT(x) (((x) >> S_INITIAL_SRTT) & M_INITIAL_SRTT) + +#define A_TP_DACK_TIME 0x3b8 + +#define S_DELAYED_ACK_TIME 0 +#define M_DELAYED_ACK_TIME 0x7ff +#define V_DELAYED_ACK_TIME(x) ((x) << S_DELAYED_ACK_TIME) +#define G_DELAYED_ACK_TIME(x) (((x) >> S_DELAYED_ACK_TIME) & M_DELAYED_ACK_TIME) + +#define A_TP_FINWAIT2_TIME 0x3bc + +#define S_FINWAIT2_TIME 0 +#define M_FINWAIT2_TIME 0x3fffffff +#define V_FINWAIT2_TIME(x) ((x) << S_FINWAIT2_TIME) +#define G_FINWAIT2_TIME(x) (((x) >> S_FINWAIT2_TIME) & M_FINWAIT2_TIME) + +#define A_TP_FAST_FINWAIT2_TIME 0x3c0 + +#define S_FAST_FINWAIT2_TIME 0 +#define M_FAST_FINWAIT2_TIME 0x3fffffff +#define V_FAST_FINWAIT2_TIME(x) ((x) << S_FAST_FINWAIT2_TIME) +#define G_FAST_FINWAIT2_TIME(x) (((x) >> S_FAST_FINWAIT2_TIME) & M_FAST_FINWAIT2_TIME) + +#define A_TP_SHIFT_CNT 0x3c4 + +#define S_KEEPALIVE_MAX 0 +#define M_KEEPALIVE_MAX 0xff +#define V_KEEPALIVE_MAX(x) ((x) << S_KEEPALIVE_MAX) +#define G_KEEPALIVE_MAX(x) (((x) >> S_KEEPALIVE_MAX) & M_KEEPALIVE_MAX) + +#define S_WINDOWPROBE_MAX 8 +#define M_WINDOWPROBE_MAX 0xff +#define V_WINDOWPROBE_MAX(x) ((x) << S_WINDOWPROBE_MAX) +#define G_WINDOWPROBE_MAX(x) (((x) >> S_WINDOWPROBE_MAX) & M_WINDOWPROBE_MAX) + +#define S_RETRANSMISSION_MAX 16 +#define M_RETRANSMISSION_MAX 0xff +#define V_RETRANSMISSION_MAX(x) ((x) << S_RETRANSMISSION_MAX) +#define G_RETRANSMISSION_MAX(x) (((x) >> S_RETRANSMISSION_MAX) & M_RETRANSMISSION_MAX) + +#define S_SYN_MAX 24 +#define M_SYN_MAX 0xff +#define V_SYN_MAX(x) ((x) << S_SYN_MAX) +#define G_SYN_MAX(x) (((x) >> S_SYN_MAX) & M_SYN_MAX) + +#define A_TP_QOS_REG0 0x3e0 + +#define S_L3_VALUE 0 +#define M_L3_VALUE 0x3f +#define V_L3_VALUE(x) ((x) << S_L3_VALUE) +#define G_L3_VALUE(x) (((x) >> S_L3_VALUE) & M_L3_VALUE) + +#define A_TP_QOS_REG1 0x3e4 +#define A_TP_QOS_REG2 0x3e8 +#define A_TP_QOS_REG3 0x3ec +#define A_TP_QOS_REG4 0x3f0 +#define A_TP_QOS_REG5 0x3f4 +#define A_TP_QOS_REG6 0x3f8 +#define A_TP_QOS_REG7 0x3fc +#define A_TP_MTU_REG0 0x404 +#define A_TP_MTU_REG1 0x408 +#define A_TP_MTU_REG2 0x40c +#define A_TP_MTU_REG3 0x410 +#define A_TP_MTU_REG4 0x414 +#define A_TP_MTU_REG5 0x418 +#define A_TP_MTU_REG6 0x41c +#define A_TP_MTU_REG7 0x420 #define A_TP_RESET 0x44c + #define S_TP_RESET 0 #define V_TP_RESET(x) ((x) << S_TP_RESET) #define F_TP_RESET V_TP_RESET(1U) +#define S_CM_MEMMGR_INIT 1 +#define V_CM_MEMMGR_INIT(x) ((x) << S_CM_MEMMGR_INIT) +#define F_CM_MEMMGR_INIT V_CM_MEMMGR_INIT(1U) + +#define A_TP_MIB_INDEX 0x450 +#define A_TP_MIB_DATA 0x454 +#define A_TP_SYNC_TIME_HI 0x458 +#define A_TP_SYNC_TIME_LO 0x45c +#define A_TP_CM_MM_RX_FLST_BASE 0x460 + +#define S_CM_MEMMGR_RX_FREE_LIST_BASE 0 +#define M_CM_MEMMGR_RX_FREE_LIST_BASE 0xfffffff +#define V_CM_MEMMGR_RX_FREE_LIST_BASE(x) ((x) << S_CM_MEMMGR_RX_FREE_LIST_BASE) +#define G_CM_MEMMGR_RX_FREE_LIST_BASE(x) (((x) >> S_CM_MEMMGR_RX_FREE_LIST_BASE) & M_CM_MEMMGR_RX_FREE_LIST_BASE) + +#define A_TP_CM_MM_TX_FLST_BASE 0x464 + +#define S_CM_MEMMGR_TX_FREE_LIST_BASE 0 +#define M_CM_MEMMGR_TX_FREE_LIST_BASE 0xfffffff +#define V_CM_MEMMGR_TX_FREE_LIST_BASE(x) ((x) << S_CM_MEMMGR_TX_FREE_LIST_BASE) +#define G_CM_MEMMGR_TX_FREE_LIST_BASE(x) (((x) >> S_CM_MEMMGR_TX_FREE_LIST_BASE) & M_CM_MEMMGR_TX_FREE_LIST_BASE) + +#define A_TP_CM_MM_P_FLST_BASE 0x468 + +#define S_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE 0 +#define M_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE 0xfffffff +#define V_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE(x) ((x) << S_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE) +#define G_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE(x) (((x) >> S_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE) & M_CM_MEMMGR_PSTRUCT_FREE_LIST_BASE) + +#define A_TP_CM_MM_MAX_P 0x46c + +#define S_CM_MEMMGR_MAX_PSTRUCT 0 +#define M_CM_MEMMGR_MAX_PSTRUCT 0xfffffff +#define V_CM_MEMMGR_MAX_PSTRUCT(x) ((x) << S_CM_MEMMGR_MAX_PSTRUCT) +#define G_CM_MEMMGR_MAX_PSTRUCT(x) (((x) >> S_CM_MEMMGR_MAX_PSTRUCT) & M_CM_MEMMGR_MAX_PSTRUCT) + #define A_TP_INT_ENABLE 0x470 + +#define S_TX_FREE_LIST_EMPTY 0 +#define V_TX_FREE_LIST_EMPTY(x) ((x) << S_TX_FREE_LIST_EMPTY) +#define F_TX_FREE_LIST_EMPTY V_TX_FREE_LIST_EMPTY(1U) + +#define S_RX_FREE_LIST_EMPTY 1 +#define V_RX_FREE_LIST_EMPTY(x) ((x) << S_RX_FREE_LIST_EMPTY) +#define F_RX_FREE_LIST_EMPTY V_RX_FREE_LIST_EMPTY(1U) + #define A_TP_INT_CAUSE 0x474 +#define A_TP_TIMER_SEPARATOR 0x4a4 + +#define S_DISABLE_PAST_TIMER_INSERTION 0 +#define V_DISABLE_PAST_TIMER_INSERTION(x) ((x) << S_DISABLE_PAST_TIMER_INSERTION) +#define F_DISABLE_PAST_TIMER_INSERTION V_DISABLE_PAST_TIMER_INSERTION(1U) + +#define S_MODULATION_TIMER_SEPARATOR 1 +#define M_MODULATION_TIMER_SEPARATOR 0x7fff +#define V_MODULATION_TIMER_SEPARATOR(x) ((x) << S_MODULATION_TIMER_SEPARATOR) +#define G_MODULATION_TIMER_SEPARATOR(x) (((x) >> S_MODULATION_TIMER_SEPARATOR) & M_MODULATION_TIMER_SEPARATOR) + +#define S_GLOBAL_TIMER_SEPARATOR 16 +#define M_GLOBAL_TIMER_SEPARATOR 0xffff +#define V_GLOBAL_TIMER_SEPARATOR(x) ((x) << S_GLOBAL_TIMER_SEPARATOR) +#define G_GLOBAL_TIMER_SEPARATOR(x) (((x) >> S_GLOBAL_TIMER_SEPARATOR) & M_GLOBAL_TIMER_SEPARATOR) + +#define A_TP_CM_FC_MODE 0x4b0 +#define A_TP_PC_CONGESTION_CNTL 0x4b4 #define A_TP_TX_DROP_CONFIG 0x4b8 #define S_ENABLE_TX_DROP 31 @@ -282,12 +1249,108 @@ #define F_ENABLE_TX_ERROR V_ENABLE_TX_ERROR(1U) #define S_DROP_TICKS_CNT 4 +#define M_DROP_TICKS_CNT 0x3ffffff #define V_DROP_TICKS_CNT(x) ((x) << S_DROP_TICKS_CNT) +#define G_DROP_TICKS_CNT(x) (((x) >> S_DROP_TICKS_CNT) & M_DROP_TICKS_CNT) #define S_NUM_PKTS_DROPPED 0 +#define M_NUM_PKTS_DROPPED 0xf #define V_NUM_PKTS_DROPPED(x) ((x) << S_NUM_PKTS_DROPPED) +#define G_NUM_PKTS_DROPPED(x) (((x) >> S_NUM_PKTS_DROPPED) & M_NUM_PKTS_DROPPED) + +#define A_TP_TX_DROP_COUNT 0x4bc + +/* RAT registers */ +#define A_RAT_ROUTE_CONTROL 0x580 + +#define S_USE_ROUTE_TABLE 0 +#define V_USE_ROUTE_TABLE(x) ((x) << S_USE_ROUTE_TABLE) +#define F_USE_ROUTE_TABLE V_USE_ROUTE_TABLE(1U) + +#define S_ENABLE_CSPI 1 +#define V_ENABLE_CSPI(x) ((x) << S_ENABLE_CSPI) +#define F_ENABLE_CSPI V_ENABLE_CSPI(1U) + +#define S_ENABLE_PCIX 2 +#define V_ENABLE_PCIX(x) ((x) << S_ENABLE_PCIX) +#define F_ENABLE_PCIX V_ENABLE_PCIX(1U) + +#define A_RAT_ROUTE_TABLE_INDEX 0x584 + +#define S_ROUTE_TABLE_INDEX 0 +#define M_ROUTE_TABLE_INDEX 0xf +#define V_ROUTE_TABLE_INDEX(x) ((x) << S_ROUTE_TABLE_INDEX) +#define G_ROUTE_TABLE_INDEX(x) (((x) >> S_ROUTE_TABLE_INDEX) & M_ROUTE_TABLE_INDEX) + +#define A_RAT_ROUTE_TABLE_DATA 0x588 +#define A_RAT_NO_ROUTE 0x58c + +#define S_CPL_OPCODE 0 +#define M_CPL_OPCODE 0xff +#define V_CPL_OPCODE(x) ((x) << S_CPL_OPCODE) +#define G_CPL_OPCODE(x) (((x) >> S_CPL_OPCODE) & M_CPL_OPCODE) + +#define A_RAT_INTR_ENABLE 0x590 + +#define S_ZEROROUTEERROR 0 +#define V_ZEROROUTEERROR(x) ((x) << S_ZEROROUTEERROR) +#define F_ZEROROUTEERROR V_ZEROROUTEERROR(1U) + +#define S_CSPIFRAMINGERROR 1 +#define V_CSPIFRAMINGERROR(x) ((x) << S_CSPIFRAMINGERROR) +#define F_CSPIFRAMINGERROR V_CSPIFRAMINGERROR(1U) + +#define S_SGEFRAMINGERROR 2 +#define V_SGEFRAMINGERROR(x) ((x) << S_SGEFRAMINGERROR) +#define F_SGEFRAMINGERROR V_SGEFRAMINGERROR(1U) + +#define S_TPFRAMINGERROR 3 +#define V_TPFRAMINGERROR(x) ((x) << S_TPFRAMINGERROR) +#define F_TPFRAMINGERROR V_TPFRAMINGERROR(1U) + +#define A_RAT_INTR_CAUSE 0x594 /* CSPI registers */ +#define A_CSPI_RX_AE_WM 0x810 +#define A_CSPI_RX_AF_WM 0x814 +#define A_CSPI_CALENDAR_LEN 0x818 + +#define S_CALENDARLENGTH 0 +#define M_CALENDARLENGTH 0xffff +#define V_CALENDARLENGTH(x) ((x) << S_CALENDARLENGTH) +#define G_CALENDARLENGTH(x) (((x) >> S_CALENDARLENGTH) & M_CALENDARLENGTH) + +#define A_CSPI_FIFO_STATUS_ENABLE 0x820 + +#define S_FIFOSTATUSENABLE 0 +#define V_FIFOSTATUSENABLE(x) ((x) << S_FIFOSTATUSENABLE) +#define F_FIFOSTATUSENABLE V_FIFOSTATUSENABLE(1U) + +#define A_CSPI_MAXBURST1_MAXBURST2 0x828 + +#define S_MAXBURST1 0 +#define M_MAXBURST1 0xffff +#define V_MAXBURST1(x) ((x) << S_MAXBURST1) +#define G_MAXBURST1(x) (((x) >> S_MAXBURST1) & M_MAXBURST1) + +#define S_MAXBURST2 16 +#define M_MAXBURST2 0xffff +#define V_MAXBURST2(x) ((x) << S_MAXBURST2) +#define G_MAXBURST2(x) (((x) >> S_MAXBURST2) & M_MAXBURST2) + +#define A_CSPI_TRAIN 0x82c + +#define S_CSPI_TRAIN_ALPHA 0 +#define M_CSPI_TRAIN_ALPHA 0xffff +#define V_CSPI_TRAIN_ALPHA(x) ((x) << S_CSPI_TRAIN_ALPHA) +#define G_CSPI_TRAIN_ALPHA(x) (((x) >> S_CSPI_TRAIN_ALPHA) & M_CSPI_TRAIN_ALPHA) + +#define S_CSPI_TRAIN_DATA_MAXT 16 +#define M_CSPI_TRAIN_DATA_MAXT 0xffff +#define V_CSPI_TRAIN_DATA_MAXT(x) ((x) << S_CSPI_TRAIN_DATA_MAXT) +#define G_CSPI_TRAIN_DATA_MAXT(x) (((x) >> S_CSPI_TRAIN_DATA_MAXT) & M_CSPI_TRAIN_DATA_MAXT) + +#define A_CSPI_INTR_STATUS 0x848 #define S_DIP4ERR 0 #define V_DIP4ERR(x) ((x) << S_DIP4ERR) @@ -309,22 +1372,63 @@ #define V_RAMPARITYERR(x) ((x) << S_RAMPARITYERR) #define F_RAMPARITYERR V_RAMPARITYERR(1U) -/* ESPI registers */ +#define A_CSPI_INTR_ENABLE 0x84c +/* ESPI registers */ #define A_ESPI_SCH_TOKEN0 0x880 + +#define S_SCHTOKEN0 0 +#define M_SCHTOKEN0 0xffff +#define V_SCHTOKEN0(x) ((x) << S_SCHTOKEN0) +#define G_SCHTOKEN0(x) (((x) >> S_SCHTOKEN0) & M_SCHTOKEN0) + #define A_ESPI_SCH_TOKEN1 0x884 + +#define S_SCHTOKEN1 0 +#define M_SCHTOKEN1 0xffff +#define V_SCHTOKEN1(x) ((x) << S_SCHTOKEN1) +#define G_SCHTOKEN1(x) (((x) >> S_SCHTOKEN1) & M_SCHTOKEN1) + #define A_ESPI_SCH_TOKEN2 0x888 + +#define S_SCHTOKEN2 0 +#define M_SCHTOKEN2 0xffff +#define V_SCHTOKEN2(x) ((x) << S_SCHTOKEN2) +#define G_SCHTOKEN2(x) (((x) >> S_SCHTOKEN2) & M_SCHTOKEN2) + #define A_ESPI_SCH_TOKEN3 0x88c + +#define S_SCHTOKEN3 0 +#define M_SCHTOKEN3 0xffff +#define V_SCHTOKEN3(x) ((x) << S_SCHTOKEN3) +#define G_SCHTOKEN3(x) (((x) >> S_SCHTOKEN3) & M_SCHTOKEN3) + #define A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK 0x890 + +#define S_ALMOSTEMPTY 0 +#define M_ALMOSTEMPTY 0xffff +#define V_ALMOSTEMPTY(x) ((x) << S_ALMOSTEMPTY) +#define G_ALMOSTEMPTY(x) (((x) >> S_ALMOSTEMPTY) & M_ALMOSTEMPTY) + #define A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK 0x894 + +#define S_ALMOSTFULL 0 +#define M_ALMOSTFULL 0xffff +#define V_ALMOSTFULL(x) ((x) << S_ALMOSTFULL) +#define G_ALMOSTFULL(x) (((x) >> S_ALMOSTFULL) & M_ALMOSTFULL) + #define A_ESPI_CALENDAR_LENGTH 0x898 #define A_PORT_CONFIG 0x89c #define S_RX_NPORTS 0 +#define M_RX_NPORTS 0xff #define V_RX_NPORTS(x) ((x) << S_RX_NPORTS) +#define G_RX_NPORTS(x) (((x) >> S_RX_NPORTS) & M_RX_NPORTS) #define S_TX_NPORTS 8 +#define M_TX_NPORTS 0xff #define V_TX_NPORTS(x) ((x) << S_TX_NPORTS) +#define G_TX_NPORTS(x) (((x) >> S_TX_NPORTS) & M_TX_NPORTS) #define A_ESPI_FIFO_STATUS_ENABLE 0x8a0 @@ -332,12 +1436,124 @@ #define V_RXSTATUSENABLE(x) ((x) << S_RXSTATUSENABLE) #define F_RXSTATUSENABLE V_RXSTATUSENABLE(1U) +#define S_TXDROPENABLE 1 +#define V_TXDROPENABLE(x) ((x) << S_TXDROPENABLE) +#define F_TXDROPENABLE V_TXDROPENABLE(1U) + +#define S_RXENDIANMODE 2 +#define V_RXENDIANMODE(x) ((x) << S_RXENDIANMODE) +#define F_RXENDIANMODE V_RXENDIANMODE(1U) + +#define S_TXENDIANMODE 3 +#define V_TXENDIANMODE(x) ((x) << S_TXENDIANMODE) +#define F_TXENDIANMODE V_TXENDIANMODE(1U) + #define S_INTEL1010MODE 4 #define V_INTEL1010MODE(x) ((x) << S_INTEL1010MODE) #define F_INTEL1010MODE V_INTEL1010MODE(1U) #define A_ESPI_MAXBURST1_MAXBURST2 0x8a8 #define A_ESPI_TRAIN 0x8ac + +#define S_MAXTRAINALPHA 0 +#define M_MAXTRAINALPHA 0xffff +#define V_MAXTRAINALPHA(x) ((x) << S_MAXTRAINALPHA) +#define G_MAXTRAINALPHA(x) (((x) >> S_MAXTRAINALPHA) & M_MAXTRAINALPHA) + +#define S_MAXTRAINDATA 16 +#define M_MAXTRAINDATA 0xffff +#define V_MAXTRAINDATA(x) ((x) << S_MAXTRAINDATA) +#define G_MAXTRAINDATA(x) (((x) >> S_MAXTRAINDATA) & M_MAXTRAINDATA) + +#define A_RAM_STATUS 0x8b0 + +#define S_RXFIFOPARITYERROR 0 +#define M_RXFIFOPARITYERROR 0x3ff +#define V_RXFIFOPARITYERROR(x) ((x) << S_RXFIFOPARITYERROR) +#define G_RXFIFOPARITYERROR(x) (((x) >> S_RXFIFOPARITYERROR) & M_RXFIFOPARITYERROR) + +#define S_TXFIFOPARITYERROR 10 +#define M_TXFIFOPARITYERROR 0x3ff +#define V_TXFIFOPARITYERROR(x) ((x) << S_TXFIFOPARITYERROR) +#define G_TXFIFOPARITYERROR(x) (((x) >> S_TXFIFOPARITYERROR) & M_TXFIFOPARITYERROR) + +#define S_RXFIFOOVERFLOW 20 +#define M_RXFIFOOVERFLOW 0x3ff +#define V_RXFIFOOVERFLOW(x) ((x) << S_RXFIFOOVERFLOW) +#define G_RXFIFOOVERFLOW(x) (((x) >> S_RXFIFOOVERFLOW) & M_RXFIFOOVERFLOW) + +#define A_TX_DROP_COUNT0 0x8b4 + +#define S_TXPORT0DROPCNT 0 +#define M_TXPORT0DROPCNT 0xffff +#define V_TXPORT0DROPCNT(x) ((x) << S_TXPORT0DROPCNT) +#define G_TXPORT0DROPCNT(x) (((x) >> S_TXPORT0DROPCNT) & M_TXPORT0DROPCNT) + +#define S_TXPORT1DROPCNT 16 +#define M_TXPORT1DROPCNT 0xffff +#define V_TXPORT1DROPCNT(x) ((x) << S_TXPORT1DROPCNT) +#define G_TXPORT1DROPCNT(x) (((x) >> S_TXPORT1DROPCNT) & M_TXPORT1DROPCNT) + +#define A_TX_DROP_COUNT1 0x8b8 + +#define S_TXPORT2DROPCNT 0 +#define M_TXPORT2DROPCNT 0xffff +#define V_TXPORT2DROPCNT(x) ((x) << S_TXPORT2DROPCNT) +#define G_TXPORT2DROPCNT(x) (((x) >> S_TXPORT2DROPCNT) & M_TXPORT2DROPCNT) + +#define S_TXPORT3DROPCNT 16 +#define M_TXPORT3DROPCNT 0xffff +#define V_TXPORT3DROPCNT(x) ((x) << S_TXPORT3DROPCNT) +#define G_TXPORT3DROPCNT(x) (((x) >> S_TXPORT3DROPCNT) & M_TXPORT3DROPCNT) + +#define A_RX_DROP_COUNT0 0x8bc + +#define S_RXPORT0DROPCNT 0 +#define M_RXPORT0DROPCNT 0xffff +#define V_RXPORT0DROPCNT(x) ((x) << S_RXPORT0DROPCNT) +#define G_RXPORT0DROPCNT(x) (((x) >> S_RXPORT0DROPCNT) & M_RXPORT0DROPCNT) + +#define S_RXPORT1DROPCNT 16 +#define M_RXPORT1DROPCNT 0xffff +#define V_RXPORT1DROPCNT(x) ((x) << S_RXPORT1DROPCNT) +#define G_RXPORT1DROPCNT(x) (((x) >> S_RXPORT1DROPCNT) & M_RXPORT1DROPCNT) + +#define A_RX_DROP_COUNT1 0x8c0 + +#define S_RXPORT2DROPCNT 0 +#define M_RXPORT2DROPCNT 0xffff +#define V_RXPORT2DROPCNT(x) ((x) << S_RXPORT2DROPCNT) +#define G_RXPORT2DROPCNT(x) (((x) >> S_RXPORT2DROPCNT) & M_RXPORT2DROPCNT) + +#define S_RXPORT3DROPCNT 16 +#define M_RXPORT3DROPCNT 0xffff +#define V_RXPORT3DROPCNT(x) ((x) << S_RXPORT3DROPCNT) +#define G_RXPORT3DROPCNT(x) (((x) >> S_RXPORT3DROPCNT) & M_RXPORT3DROPCNT) + +#define A_DIP4_ERROR_COUNT 0x8c4 + +#define S_DIP4ERRORCNT 0 +#define M_DIP4ERRORCNT 0xfff +#define V_DIP4ERRORCNT(x) ((x) << S_DIP4ERRORCNT) +#define G_DIP4ERRORCNT(x) (((x) >> S_DIP4ERRORCNT) & M_DIP4ERRORCNT) + +#define S_DIP4ERRORCNTSHADOW 12 +#define M_DIP4ERRORCNTSHADOW 0xfff +#define V_DIP4ERRORCNTSHADOW(x) ((x) << S_DIP4ERRORCNTSHADOW) +#define G_DIP4ERRORCNTSHADOW(x) (((x) >> S_DIP4ERRORCNTSHADOW) & M_DIP4ERRORCNTSHADOW) + +#define S_TRICN_RX_TRAIN_ERR 24 +#define V_TRICN_RX_TRAIN_ERR(x) ((x) << S_TRICN_RX_TRAIN_ERR) +#define F_TRICN_RX_TRAIN_ERR V_TRICN_RX_TRAIN_ERR(1U) + +#define S_TRICN_RX_TRAINING 25 +#define V_TRICN_RX_TRAINING(x) ((x) << S_TRICN_RX_TRAINING) +#define F_TRICN_RX_TRAINING V_TRICN_RX_TRAINING(1U) + +#define S_TRICN_RX_TRAIN_OK 26 +#define V_TRICN_RX_TRAIN_OK(x) ((x) << S_TRICN_RX_TRAIN_OK) +#define F_TRICN_RX_TRAIN_OK V_TRICN_RX_TRAIN_OK(1U) + #define A_ESPI_INTR_STATUS 0x8c8 #define S_DIP2PARITYERR 5 @@ -347,19 +1563,56 @@ #define A_ESPI_INTR_ENABLE 0x8cc #define A_RX_DROP_THRESHOLD 0x8d0 #define A_ESPI_RX_RESET 0x8ec + +#define S_ESPI_RX_LNK_RST 0 +#define V_ESPI_RX_LNK_RST(x) ((x) << S_ESPI_RX_LNK_RST) +#define F_ESPI_RX_LNK_RST V_ESPI_RX_LNK_RST(1U) + +#define S_ESPI_RX_CORE_RST 1 +#define V_ESPI_RX_CORE_RST(x) ((x) << S_ESPI_RX_CORE_RST) +#define F_ESPI_RX_CORE_RST V_ESPI_RX_CORE_RST(1U) + +#define S_RX_CLK_STATUS 2 +#define V_RX_CLK_STATUS(x) ((x) << S_RX_CLK_STATUS) +#define F_RX_CLK_STATUS V_RX_CLK_STATUS(1U) + #define A_ESPI_MISC_CONTROL 0x8f0 #define S_OUT_OF_SYNC_COUNT 0 +#define M_OUT_OF_SYNC_COUNT 0xf #define V_OUT_OF_SYNC_COUNT(x) ((x) << S_OUT_OF_SYNC_COUNT) +#define G_OUT_OF_SYNC_COUNT(x) (((x) >> S_OUT_OF_SYNC_COUNT) & M_OUT_OF_SYNC_COUNT) + +#define S_DIP2_COUNT_MODE_ENABLE 4 +#define V_DIP2_COUNT_MODE_ENABLE(x) ((x) << S_DIP2_COUNT_MODE_ENABLE) +#define F_DIP2_COUNT_MODE_ENABLE V_DIP2_COUNT_MODE_ENABLE(1U) #define S_DIP2_PARITY_ERR_THRES 5 +#define M_DIP2_PARITY_ERR_THRES 0xf #define V_DIP2_PARITY_ERR_THRES(x) ((x) << S_DIP2_PARITY_ERR_THRES) +#define G_DIP2_PARITY_ERR_THRES(x) (((x) >> S_DIP2_PARITY_ERR_THRES) & M_DIP2_PARITY_ERR_THRES) #define S_DIP4_THRES 9 +#define M_DIP4_THRES 0xfff #define V_DIP4_THRES(x) ((x) << S_DIP4_THRES) +#define G_DIP4_THRES(x) (((x) >> S_DIP4_THRES) & M_DIP4_THRES) + +#define S_DIP4_THRES_ENABLE 21 +#define V_DIP4_THRES_ENABLE(x) ((x) << S_DIP4_THRES_ENABLE) +#define F_DIP4_THRES_ENABLE V_DIP4_THRES_ENABLE(1U) + +#define S_FORCE_DISABLE_STATUS 22 +#define V_FORCE_DISABLE_STATUS(x) ((x) << S_FORCE_DISABLE_STATUS) +#define F_FORCE_DISABLE_STATUS V_FORCE_DISABLE_STATUS(1U) + +#define S_DYNAMIC_DESKEW 23 +#define V_DYNAMIC_DESKEW(x) ((x) << S_DYNAMIC_DESKEW) +#define F_DYNAMIC_DESKEW V_DYNAMIC_DESKEW(1U) #define S_MONITORED_PORT_NUM 25 +#define M_MONITORED_PORT_NUM 0x3 #define V_MONITORED_PORT_NUM(x) ((x) << S_MONITORED_PORT_NUM) +#define G_MONITORED_PORT_NUM(x) (((x) >> S_MONITORED_PORT_NUM) & M_MONITORED_PORT_NUM) #define S_MONITORED_DIRECTION 27 #define V_MONITORED_DIRECTION(x) ((x) << S_MONITORED_DIRECTION) @@ -370,33 +1623,125 @@ #define F_MONITORED_INTERFACE V_MONITORED_INTERFACE(1U) #define A_ESPI_DIP2_ERR_COUNT 0x8f4 + +#define S_DIP2_ERR_CNT 0 +#define M_DIP2_ERR_CNT 0xf +#define V_DIP2_ERR_CNT(x) ((x) << S_DIP2_ERR_CNT) +#define G_DIP2_ERR_CNT(x) (((x) >> S_DIP2_ERR_CNT) & M_DIP2_ERR_CNT) + #define A_ESPI_CMD_ADDR 0x8f8 #define S_WRITE_DATA 0 +#define M_WRITE_DATA 0xff #define V_WRITE_DATA(x) ((x) << S_WRITE_DATA) +#define G_WRITE_DATA(x) (((x) >> S_WRITE_DATA) & M_WRITE_DATA) #define S_REGISTER_OFFSET 8 +#define M_REGISTER_OFFSET 0xf #define V_REGISTER_OFFSET(x) ((x) << S_REGISTER_OFFSET) +#define G_REGISTER_OFFSET(x) (((x) >> S_REGISTER_OFFSET) & M_REGISTER_OFFSET) #define S_CHANNEL_ADDR 12 +#define M_CHANNEL_ADDR 0xf #define V_CHANNEL_ADDR(x) ((x) << S_CHANNEL_ADDR) +#define G_CHANNEL_ADDR(x) (((x) >> S_CHANNEL_ADDR) & M_CHANNEL_ADDR) #define S_MODULE_ADDR 16 +#define M_MODULE_ADDR 0x3 #define V_MODULE_ADDR(x) ((x) << S_MODULE_ADDR) +#define G_MODULE_ADDR(x) (((x) >> S_MODULE_ADDR) & M_MODULE_ADDR) #define S_BUNDLE_ADDR 20 +#define M_BUNDLE_ADDR 0x3 #define V_BUNDLE_ADDR(x) ((x) << S_BUNDLE_ADDR) +#define G_BUNDLE_ADDR(x) (((x) >> S_BUNDLE_ADDR) & M_BUNDLE_ADDR) #define S_SPI4_COMMAND 24 +#define M_SPI4_COMMAND 0xff #define V_SPI4_COMMAND(x) ((x) << S_SPI4_COMMAND) +#define G_SPI4_COMMAND(x) (((x) >> S_SPI4_COMMAND) & M_SPI4_COMMAND) #define A_ESPI_GOSTAT 0x8fc + +#define S_READ_DATA 0 +#define M_READ_DATA 0xff +#define V_READ_DATA(x) ((x) << S_READ_DATA) +#define G_READ_DATA(x) (((x) >> S_READ_DATA) & M_READ_DATA) + #define S_ESPI_CMD_BUSY 8 #define V_ESPI_CMD_BUSY(x) ((x) << S_ESPI_CMD_BUSY) #define F_ESPI_CMD_BUSY V_ESPI_CMD_BUSY(1U) -/* PL registers */ +#define S_ERROR_ACK 9 +#define V_ERROR_ACK(x) ((x) << S_ERROR_ACK) +#define F_ERROR_ACK V_ERROR_ACK(1U) + +#define S_UNMAPPED_ERR 10 +#define V_UNMAPPED_ERR(x) ((x) << S_UNMAPPED_ERR) +#define F_UNMAPPED_ERR V_UNMAPPED_ERR(1U) + +#define S_TRANSACTION_TIMER 16 +#define M_TRANSACTION_TIMER 0xff +#define V_TRANSACTION_TIMER(x) ((x) << S_TRANSACTION_TIMER) +#define G_TRANSACTION_TIMER(x) (((x) >> S_TRANSACTION_TIMER) & M_TRANSACTION_TIMER) + + +/* ULP registers */ +#define A_ULP_ULIMIT 0x980 +#define A_ULP_TAGMASK 0x984 +#define A_ULP_HREG_INDEX 0x988 +#define A_ULP_HREG_DATA 0x98c +#define A_ULP_INT_ENABLE 0x990 +#define A_ULP_INT_CAUSE 0x994 +#define S_HREG_PAR_ERR 0 +#define V_HREG_PAR_ERR(x) ((x) << S_HREG_PAR_ERR) +#define F_HREG_PAR_ERR V_HREG_PAR_ERR(1U) + +#define S_EGRS_DATA_PAR_ERR 1 +#define V_EGRS_DATA_PAR_ERR(x) ((x) << S_EGRS_DATA_PAR_ERR) +#define F_EGRS_DATA_PAR_ERR V_EGRS_DATA_PAR_ERR(1U) + +#define S_INGRS_DATA_PAR_ERR 2 +#define V_INGRS_DATA_PAR_ERR(x) ((x) << S_INGRS_DATA_PAR_ERR) +#define F_INGRS_DATA_PAR_ERR V_INGRS_DATA_PAR_ERR(1U) + +#define S_PM_INTR 3 +#define V_PM_INTR(x) ((x) << S_PM_INTR) +#define F_PM_INTR V_PM_INTR(1U) + +#define S_PM_E2C_SYNC_ERR 4 +#define V_PM_E2C_SYNC_ERR(x) ((x) << S_PM_E2C_SYNC_ERR) +#define F_PM_E2C_SYNC_ERR V_PM_E2C_SYNC_ERR(1U) + +#define S_PM_C2E_SYNC_ERR 5 +#define V_PM_C2E_SYNC_ERR(x) ((x) << S_PM_C2E_SYNC_ERR) +#define F_PM_C2E_SYNC_ERR V_PM_C2E_SYNC_ERR(1U) + +#define S_PM_E2C_EMPTY_ERR 6 +#define V_PM_E2C_EMPTY_ERR(x) ((x) << S_PM_E2C_EMPTY_ERR) +#define F_PM_E2C_EMPTY_ERR V_PM_E2C_EMPTY_ERR(1U) + +#define S_PM_C2E_EMPTY_ERR 7 +#define V_PM_C2E_EMPTY_ERR(x) ((x) << S_PM_C2E_EMPTY_ERR) +#define F_PM_C2E_EMPTY_ERR V_PM_C2E_EMPTY_ERR(1U) + +#define S_PM_PAR_ERR 8 +#define M_PM_PAR_ERR 0xffff +#define V_PM_PAR_ERR(x) ((x) << S_PM_PAR_ERR) +#define G_PM_PAR_ERR(x) (((x) >> S_PM_PAR_ERR) & M_PM_PAR_ERR) + +#define S_PM_E2C_WRT_FULL 24 +#define V_PM_E2C_WRT_FULL(x) ((x) << S_PM_E2C_WRT_FULL) +#define F_PM_E2C_WRT_FULL V_PM_E2C_WRT_FULL(1U) + +#define S_PM_C2E_WRT_FULL 25 +#define V_PM_C2E_WRT_FULL(x) ((x) << S_PM_C2E_WRT_FULL) +#define F_PM_C2E_WRT_FULL V_PM_C2E_WRT_FULL(1U) + +#define A_ULP_PIO_CTRL 0x998 + +/* PL registers */ #define A_PL_ENABLE 0xa00 #define S_PL_INTR_SGE_ERR 0 @@ -407,14 +1752,38 @@ #define V_PL_INTR_SGE_DATA(x) ((x) << S_PL_INTR_SGE_DATA) #define F_PL_INTR_SGE_DATA V_PL_INTR_SGE_DATA(1U) +#define S_PL_INTR_MC3 2 +#define V_PL_INTR_MC3(x) ((x) << S_PL_INTR_MC3) +#define F_PL_INTR_MC3 V_PL_INTR_MC3(1U) + +#define S_PL_INTR_MC4 3 +#define V_PL_INTR_MC4(x) ((x) << S_PL_INTR_MC4) +#define F_PL_INTR_MC4 V_PL_INTR_MC4(1U) + +#define S_PL_INTR_MC5 4 +#define V_PL_INTR_MC5(x) ((x) << S_PL_INTR_MC5) +#define F_PL_INTR_MC5 V_PL_INTR_MC5(1U) + +#define S_PL_INTR_RAT 5 +#define V_PL_INTR_RAT(x) ((x) << S_PL_INTR_RAT) +#define F_PL_INTR_RAT V_PL_INTR_RAT(1U) + #define S_PL_INTR_TP 6 #define V_PL_INTR_TP(x) ((x) << S_PL_INTR_TP) #define F_PL_INTR_TP V_PL_INTR_TP(1U) +#define S_PL_INTR_ULP 7 +#define V_PL_INTR_ULP(x) ((x) << S_PL_INTR_ULP) +#define F_PL_INTR_ULP V_PL_INTR_ULP(1U) + #define S_PL_INTR_ESPI 8 #define V_PL_INTR_ESPI(x) ((x) << S_PL_INTR_ESPI) #define F_PL_INTR_ESPI V_PL_INTR_ESPI(1U) +#define S_PL_INTR_CSPI 9 +#define V_PL_INTR_CSPI(x) ((x) << S_PL_INTR_CSPI) +#define F_PL_INTR_CSPI V_PL_INTR_CSPI(1U) + #define S_PL_INTR_PCIX 10 #define V_PL_INTR_PCIX(x) ((x) << S_PL_INTR_PCIX) #define F_PL_INTR_PCIX V_PL_INTR_PCIX(1U) @@ -426,43 +1795,374 @@ #define A_PL_CAUSE 0xa04 /* MC5 registers */ - #define A_MC5_CONFIG 0xc04 +#define S_MODE 0 +#define V_MODE(x) ((x) << S_MODE) +#define F_MODE V_MODE(1U) + #define S_TCAM_RESET 1 #define V_TCAM_RESET(x) ((x) << S_TCAM_RESET) #define F_TCAM_RESET V_TCAM_RESET(1U) +#define S_TCAM_READY 2 +#define V_TCAM_READY(x) ((x) << S_TCAM_READY) +#define F_TCAM_READY V_TCAM_READY(1U) + +#define S_DBGI_ENABLE 4 +#define V_DBGI_ENABLE(x) ((x) << S_DBGI_ENABLE) +#define F_DBGI_ENABLE V_DBGI_ENABLE(1U) + #define S_M_BUS_ENABLE 5 #define V_M_BUS_ENABLE(x) ((x) << S_M_BUS_ENABLE) #define F_M_BUS_ENABLE V_M_BUS_ENABLE(1U) -/* PCICFG registers */ +#define S_PARITY_ENABLE 6 +#define V_PARITY_ENABLE(x) ((x) << S_PARITY_ENABLE) +#define F_PARITY_ENABLE V_PARITY_ENABLE(1U) + +#define S_SYN_ISSUE_MODE 7 +#define M_SYN_ISSUE_MODE 0x3 +#define V_SYN_ISSUE_MODE(x) ((x) << S_SYN_ISSUE_MODE) +#define G_SYN_ISSUE_MODE(x) (((x) >> S_SYN_ISSUE_MODE) & M_SYN_ISSUE_MODE) + +#define S_BUILD 16 +#define V_BUILD(x) ((x) << S_BUILD) +#define F_BUILD V_BUILD(1U) + +#define S_COMPRESSION_ENABLE 17 +#define V_COMPRESSION_ENABLE(x) ((x) << S_COMPRESSION_ENABLE) +#define F_COMPRESSION_ENABLE V_COMPRESSION_ENABLE(1U) + +#define S_NUM_LIP 18 +#define M_NUM_LIP 0x3f +#define V_NUM_LIP(x) ((x) << S_NUM_LIP) +#define G_NUM_LIP(x) (((x) >> S_NUM_LIP) & M_NUM_LIP) + +#define S_TCAM_PART_CNT 24 +#define M_TCAM_PART_CNT 0x3 +#define V_TCAM_PART_CNT(x) ((x) << S_TCAM_PART_CNT) +#define G_TCAM_PART_CNT(x) (((x) >> S_TCAM_PART_CNT) & M_TCAM_PART_CNT) + +#define S_TCAM_PART_TYPE 26 +#define M_TCAM_PART_TYPE 0x3 +#define V_TCAM_PART_TYPE(x) ((x) << S_TCAM_PART_TYPE) +#define G_TCAM_PART_TYPE(x) (((x) >> S_TCAM_PART_TYPE) & M_TCAM_PART_TYPE) + +#define S_TCAM_PART_SIZE 28 +#define M_TCAM_PART_SIZE 0x3 +#define V_TCAM_PART_SIZE(x) ((x) << S_TCAM_PART_SIZE) +#define G_TCAM_PART_SIZE(x) (((x) >> S_TCAM_PART_SIZE) & M_TCAM_PART_SIZE) + +#define S_TCAM_PART_TYPE_HI 30 +#define V_TCAM_PART_TYPE_HI(x) ((x) << S_TCAM_PART_TYPE_HI) +#define F_TCAM_PART_TYPE_HI V_TCAM_PART_TYPE_HI(1U) + +#define A_MC5_SIZE 0xc08 + +#define S_SIZE 0 +#define M_SIZE 0x3fffff +#define V_SIZE(x) ((x) << S_SIZE) +#define G_SIZE(x) (((x) >> S_SIZE) & M_SIZE) + +#define A_MC5_ROUTING_TABLE_INDEX 0xc0c +#define S_START_OF_ROUTING_TABLE 0 +#define M_START_OF_ROUTING_TABLE 0x3fffff +#define V_START_OF_ROUTING_TABLE(x) ((x) << S_START_OF_ROUTING_TABLE) +#define G_START_OF_ROUTING_TABLE(x) (((x) >> S_START_OF_ROUTING_TABLE) & M_START_OF_ROUTING_TABLE) + +#define A_MC5_SERVER_INDEX 0xc14 + +#define S_START_OF_SERVER_INDEX 0 +#define M_START_OF_SERVER_INDEX 0x3fffff +#define V_START_OF_SERVER_INDEX(x) ((x) << S_START_OF_SERVER_INDEX) +#define G_START_OF_SERVER_INDEX(x) (((x) >> S_START_OF_SERVER_INDEX) & M_START_OF_SERVER_INDEX) + +#define A_MC5_LIP_RAM_ADDR 0xc18 + +#define S_LOCAL_IP_RAM_ADDR 0 +#define M_LOCAL_IP_RAM_ADDR 0x3f +#define V_LOCAL_IP_RAM_ADDR(x) ((x) << S_LOCAL_IP_RAM_ADDR) +#define G_LOCAL_IP_RAM_ADDR(x) (((x) >> S_LOCAL_IP_RAM_ADDR) & M_LOCAL_IP_RAM_ADDR) + +#define S_RAM_WRITE_ENABLE 8 +#define V_RAM_WRITE_ENABLE(x) ((x) << S_RAM_WRITE_ENABLE) +#define F_RAM_WRITE_ENABLE V_RAM_WRITE_ENABLE(1U) + +#define A_MC5_LIP_RAM_DATA 0xc1c +#define A_MC5_RSP_LATENCY 0xc20 + +#define S_SEARCH_RESPONSE_LATENCY 0 +#define M_SEARCH_RESPONSE_LATENCY 0x1f +#define V_SEARCH_RESPONSE_LATENCY(x) ((x) << S_SEARCH_RESPONSE_LATENCY) +#define G_SEARCH_RESPONSE_LATENCY(x) (((x) >> S_SEARCH_RESPONSE_LATENCY) & M_SEARCH_RESPONSE_LATENCY) + +#define S_LEARN_RESPONSE_LATENCY 8 +#define M_LEARN_RESPONSE_LATENCY 0x1f +#define V_LEARN_RESPONSE_LATENCY(x) ((x) << S_LEARN_RESPONSE_LATENCY) +#define G_LEARN_RESPONSE_LATENCY(x) (((x) >> S_LEARN_RESPONSE_LATENCY) & M_LEARN_RESPONSE_LATENCY) + +#define A_MC5_PARITY_LATENCY 0xc24 + +#define S_SRCHLAT 0 +#define M_SRCHLAT 0x1f +#define V_SRCHLAT(x) ((x) << S_SRCHLAT) +#define G_SRCHLAT(x) (((x) >> S_SRCHLAT) & M_SRCHLAT) + +#define S_PARLAT 8 +#define M_PARLAT 0x1f +#define V_PARLAT(x) ((x) << S_PARLAT) +#define G_PARLAT(x) (((x) >> S_PARLAT) & M_PARLAT) + +#define A_MC5_WR_LRN_VERIFY 0xc28 + +#define S_POVEREN 0 +#define V_POVEREN(x) ((x) << S_POVEREN) +#define F_POVEREN V_POVEREN(1U) + +#define S_LRNVEREN 1 +#define V_LRNVEREN(x) ((x) << S_LRNVEREN) +#define F_LRNVEREN V_LRNVEREN(1U) + +#define S_VWVEREN 2 +#define V_VWVEREN(x) ((x) << S_VWVEREN) +#define F_VWVEREN V_VWVEREN(1U) + +#define A_MC5_PART_ID_INDEX 0xc2c + +#define S_IDINDEX 0 +#define M_IDINDEX 0xf +#define V_IDINDEX(x) ((x) << S_IDINDEX) +#define G_IDINDEX(x) (((x) >> S_IDINDEX) & M_IDINDEX) + +#define A_MC5_RESET_MAX 0xc30 + +#define S_RSTMAX 0 +#define M_RSTMAX 0x1ff +#define V_RSTMAX(x) ((x) << S_RSTMAX) +#define G_RSTMAX(x) (((x) >> S_RSTMAX) & M_RSTMAX) + +#define A_MC5_INT_ENABLE 0xc40 + +#define S_MC5_INT_HIT_OUT_ACTIVE_REGION_ERR 0 +#define V_MC5_INT_HIT_OUT_ACTIVE_REGION_ERR(x) ((x) << S_MC5_INT_HIT_OUT_ACTIVE_REGION_ERR) +#define F_MC5_INT_HIT_OUT_ACTIVE_REGION_ERR V_MC5_INT_HIT_OUT_ACTIVE_REGION_ERR(1U) + +#define S_MC5_INT_HIT_IN_ACTIVE_REGION_ERR 1 +#define V_MC5_INT_HIT_IN_ACTIVE_REGION_ERR(x) ((x) << S_MC5_INT_HIT_IN_ACTIVE_REGION_ERR) +#define F_MC5_INT_HIT_IN_ACTIVE_REGION_ERR V_MC5_INT_HIT_IN_ACTIVE_REGION_ERR(1U) + +#define S_MC5_INT_HIT_IN_RT_REGION_ERR 2 +#define V_MC5_INT_HIT_IN_RT_REGION_ERR(x) ((x) << S_MC5_INT_HIT_IN_RT_REGION_ERR) +#define F_MC5_INT_HIT_IN_RT_REGION_ERR V_MC5_INT_HIT_IN_RT_REGION_ERR(1U) + +#define S_MC5_INT_MISS_ERR 3 +#define V_MC5_INT_MISS_ERR(x) ((x) << S_MC5_INT_MISS_ERR) +#define F_MC5_INT_MISS_ERR V_MC5_INT_MISS_ERR(1U) + +#define S_MC5_INT_LIP0_ERR 4 +#define V_MC5_INT_LIP0_ERR(x) ((x) << S_MC5_INT_LIP0_ERR) +#define F_MC5_INT_LIP0_ERR V_MC5_INT_LIP0_ERR(1U) + +#define S_MC5_INT_LIP_MISS_ERR 5 +#define V_MC5_INT_LIP_MISS_ERR(x) ((x) << S_MC5_INT_LIP_MISS_ERR) +#define F_MC5_INT_LIP_MISS_ERR V_MC5_INT_LIP_MISS_ERR(1U) + +#define S_MC5_INT_PARITY_ERR 6 +#define V_MC5_INT_PARITY_ERR(x) ((x) << S_MC5_INT_PARITY_ERR) +#define F_MC5_INT_PARITY_ERR V_MC5_INT_PARITY_ERR(1U) + +#define S_MC5_INT_ACTIVE_REGION_FULL 7 +#define V_MC5_INT_ACTIVE_REGION_FULL(x) ((x) << S_MC5_INT_ACTIVE_REGION_FULL) +#define F_MC5_INT_ACTIVE_REGION_FULL V_MC5_INT_ACTIVE_REGION_FULL(1U) + +#define S_MC5_INT_NFA_SRCH_ERR 8 +#define V_MC5_INT_NFA_SRCH_ERR(x) ((x) << S_MC5_INT_NFA_SRCH_ERR) +#define F_MC5_INT_NFA_SRCH_ERR V_MC5_INT_NFA_SRCH_ERR(1U) + +#define S_MC5_INT_SYN_COOKIE 9 +#define V_MC5_INT_SYN_COOKIE(x) ((x) << S_MC5_INT_SYN_COOKIE) +#define F_MC5_INT_SYN_COOKIE V_MC5_INT_SYN_COOKIE(1U) + +#define S_MC5_INT_SYN_COOKIE_BAD 10 +#define V_MC5_INT_SYN_COOKIE_BAD(x) ((x) << S_MC5_INT_SYN_COOKIE_BAD) +#define F_MC5_INT_SYN_COOKIE_BAD V_MC5_INT_SYN_COOKIE_BAD(1U) + +#define S_MC5_INT_SYN_COOKIE_OFF 11 +#define V_MC5_INT_SYN_COOKIE_OFF(x) ((x) << S_MC5_INT_SYN_COOKIE_OFF) +#define F_MC5_INT_SYN_COOKIE_OFF V_MC5_INT_SYN_COOKIE_OFF(1U) + +#define S_MC5_INT_UNKNOWN_CMD 15 +#define V_MC5_INT_UNKNOWN_CMD(x) ((x) << S_MC5_INT_UNKNOWN_CMD) +#define F_MC5_INT_UNKNOWN_CMD V_MC5_INT_UNKNOWN_CMD(1U) + +#define S_MC5_INT_REQUESTQ_PARITY_ERR 16 +#define V_MC5_INT_REQUESTQ_PARITY_ERR(x) ((x) << S_MC5_INT_REQUESTQ_PARITY_ERR) +#define F_MC5_INT_REQUESTQ_PARITY_ERR V_MC5_INT_REQUESTQ_PARITY_ERR(1U) + +#define S_MC5_INT_DISPATCHQ_PARITY_ERR 17 +#define V_MC5_INT_DISPATCHQ_PARITY_ERR(x) ((x) << S_MC5_INT_DISPATCHQ_PARITY_ERR) +#define F_MC5_INT_DISPATCHQ_PARITY_ERR V_MC5_INT_DISPATCHQ_PARITY_ERR(1U) + +#define S_MC5_INT_DEL_ACT_EMPTY 18 +#define V_MC5_INT_DEL_ACT_EMPTY(x) ((x) << S_MC5_INT_DEL_ACT_EMPTY) +#define F_MC5_INT_DEL_ACT_EMPTY V_MC5_INT_DEL_ACT_EMPTY(1U) + +#define A_MC5_INT_CAUSE 0xc44 +#define A_MC5_INT_TID 0xc48 +#define A_MC5_INT_PTID 0xc4c +#define A_MC5_DBGI_CONFIG 0xc74 +#define A_MC5_DBGI_REQ_CMD 0xc78 + +#define S_CMDMODE 0 +#define M_CMDMODE 0x7 +#define V_CMDMODE(x) ((x) << S_CMDMODE) +#define G_CMDMODE(x) (((x) >> S_CMDMODE) & M_CMDMODE) + +#define S_SADRSEL 4 +#define V_SADRSEL(x) ((x) << S_SADRSEL) +#define F_SADRSEL V_SADRSEL(1U) + +#define S_WRITE_BURST_SIZE 22 +#define M_WRITE_BURST_SIZE 0x3ff +#define V_WRITE_BURST_SIZE(x) ((x) << S_WRITE_BURST_SIZE) +#define G_WRITE_BURST_SIZE(x) (((x) >> S_WRITE_BURST_SIZE) & M_WRITE_BURST_SIZE) + +#define A_MC5_DBGI_REQ_ADDR0 0xc7c +#define A_MC5_DBGI_REQ_ADDR1 0xc80 +#define A_MC5_DBGI_REQ_ADDR2 0xc84 +#define A_MC5_DBGI_REQ_DATA0 0xc88 +#define A_MC5_DBGI_REQ_DATA1 0xc8c +#define A_MC5_DBGI_REQ_DATA2 0xc90 +#define A_MC5_DBGI_REQ_DATA3 0xc94 +#define A_MC5_DBGI_REQ_DATA4 0xc98 +#define A_MC5_DBGI_REQ_MASK0 0xc9c +#define A_MC5_DBGI_REQ_MASK1 0xca0 +#define A_MC5_DBGI_REQ_MASK2 0xca4 +#define A_MC5_DBGI_REQ_MASK3 0xca8 +#define A_MC5_DBGI_REQ_MASK4 0xcac +#define A_MC5_DBGI_RSP_STATUS 0xcb0 + +#define S_DBGI_RSP_VALID 0 +#define V_DBGI_RSP_VALID(x) ((x) << S_DBGI_RSP_VALID) +#define F_DBGI_RSP_VALID V_DBGI_RSP_VALID(1U) + +#define S_DBGI_RSP_HIT 1 +#define V_DBGI_RSP_HIT(x) ((x) << S_DBGI_RSP_HIT) +#define F_DBGI_RSP_HIT V_DBGI_RSP_HIT(1U) + +#define S_DBGI_RSP_ERR 2 +#define V_DBGI_RSP_ERR(x) ((x) << S_DBGI_RSP_ERR) +#define F_DBGI_RSP_ERR V_DBGI_RSP_ERR(1U) + +#define S_DBGI_RSP_ERR_REASON 8 +#define M_DBGI_RSP_ERR_REASON 0x7 +#define V_DBGI_RSP_ERR_REASON(x) ((x) << S_DBGI_RSP_ERR_REASON) +#define G_DBGI_RSP_ERR_REASON(x) (((x) >> S_DBGI_RSP_ERR_REASON) & M_DBGI_RSP_ERR_REASON) + +#define A_MC5_DBGI_RSP_DATA0 0xcb4 +#define A_MC5_DBGI_RSP_DATA1 0xcb8 +#define A_MC5_DBGI_RSP_DATA2 0xcbc +#define A_MC5_DBGI_RSP_DATA3 0xcc0 +#define A_MC5_DBGI_RSP_DATA4 0xcc4 +#define A_MC5_DBGI_RSP_LAST_CMD 0xcc8 +#define A_MC5_POPEN_DATA_WR_CMD 0xccc +#define A_MC5_POPEN_MASK_WR_CMD 0xcd0 +#define A_MC5_AOPEN_SRCH_CMD 0xcd4 +#define A_MC5_AOPEN_LRN_CMD 0xcd8 +#define A_MC5_SYN_SRCH_CMD 0xcdc +#define A_MC5_SYN_LRN_CMD 0xce0 +#define A_MC5_ACK_SRCH_CMD 0xce4 +#define A_MC5_ACK_LRN_CMD 0xce8 +#define A_MC5_ILOOKUP_CMD 0xcec +#define A_MC5_ELOOKUP_CMD 0xcf0 +#define A_MC5_DATA_WRITE_CMD 0xcf4 +#define A_MC5_DATA_READ_CMD 0xcf8 +#define A_MC5_MASK_WRITE_CMD 0xcfc + +/* PCICFG registers */ #define A_PCICFG_PM_CSR 0x44 #define A_PCICFG_VPD_ADDR 0x4a +#define S_VPD_ADDR 0 +#define M_VPD_ADDR 0x7fff +#define V_VPD_ADDR(x) ((x) << S_VPD_ADDR) +#define G_VPD_ADDR(x) (((x) >> S_VPD_ADDR) & M_VPD_ADDR) + #define S_VPD_OP_FLAG 15 #define V_VPD_OP_FLAG(x) ((x) << S_VPD_OP_FLAG) #define F_VPD_OP_FLAG V_VPD_OP_FLAG(1U) #define A_PCICFG_VPD_DATA 0x4c - +#define A_PCICFG_PCIX_CMD 0x60 #define A_PCICFG_INTR_ENABLE 0xf4 -#define A_PCICFG_INTR_CAUSE 0xf8 +#define S_MASTER_PARITY_ERR 0 +#define V_MASTER_PARITY_ERR(x) ((x) << S_MASTER_PARITY_ERR) +#define F_MASTER_PARITY_ERR V_MASTER_PARITY_ERR(1U) + +#define S_SIG_TARGET_ABORT 1 +#define V_SIG_TARGET_ABORT(x) ((x) << S_SIG_TARGET_ABORT) +#define F_SIG_TARGET_ABORT V_SIG_TARGET_ABORT(1U) + +#define S_RCV_TARGET_ABORT 2 +#define V_RCV_TARGET_ABORT(x) ((x) << S_RCV_TARGET_ABORT) +#define F_RCV_TARGET_ABORT V_RCV_TARGET_ABORT(1U) + +#define S_RCV_MASTER_ABORT 3 +#define V_RCV_MASTER_ABORT(x) ((x) << S_RCV_MASTER_ABORT) +#define F_RCV_MASTER_ABORT V_RCV_MASTER_ABORT(1U) + +#define S_SIG_SYS_ERR 4 +#define V_SIG_SYS_ERR(x) ((x) << S_SIG_SYS_ERR) +#define F_SIG_SYS_ERR V_SIG_SYS_ERR(1U) + +#define S_DET_PARITY_ERR 5 +#define V_DET_PARITY_ERR(x) ((x) << S_DET_PARITY_ERR) +#define F_DET_PARITY_ERR V_DET_PARITY_ERR(1U) + +#define S_PIO_PARITY_ERR 6 +#define V_PIO_PARITY_ERR(x) ((x) << S_PIO_PARITY_ERR) +#define F_PIO_PARITY_ERR V_PIO_PARITY_ERR(1U) + +#define S_WF_PARITY_ERR 7 +#define V_WF_PARITY_ERR(x) ((x) << S_WF_PARITY_ERR) +#define F_WF_PARITY_ERR V_WF_PARITY_ERR(1U) + +#define S_RF_PARITY_ERR 8 +#define M_RF_PARITY_ERR 0x3 +#define V_RF_PARITY_ERR(x) ((x) << S_RF_PARITY_ERR) +#define G_RF_PARITY_ERR(x) (((x) >> S_RF_PARITY_ERR) & M_RF_PARITY_ERR) + +#define S_CF_PARITY_ERR 10 +#define M_CF_PARITY_ERR 0x3 +#define V_CF_PARITY_ERR(x) ((x) << S_CF_PARITY_ERR) +#define G_CF_PARITY_ERR(x) (((x) >> S_CF_PARITY_ERR) & M_CF_PARITY_ERR) + +#define A_PCICFG_INTR_CAUSE 0xf8 #define A_PCICFG_MODE 0xfc #define S_PCI_MODE_64BIT 0 #define V_PCI_MODE_64BIT(x) ((x) << S_PCI_MODE_64BIT) #define F_PCI_MODE_64BIT V_PCI_MODE_64BIT(1U) +#define S_PCI_MODE_66MHZ 1 +#define V_PCI_MODE_66MHZ(x) ((x) << S_PCI_MODE_66MHZ) +#define F_PCI_MODE_66MHZ V_PCI_MODE_66MHZ(1U) + +#define S_PCI_MODE_PCIX_INITPAT 2 +#define M_PCI_MODE_PCIX_INITPAT 0x7 +#define V_PCI_MODE_PCIX_INITPAT(x) ((x) << S_PCI_MODE_PCIX_INITPAT) +#define G_PCI_MODE_PCIX_INITPAT(x) (((x) >> S_PCI_MODE_PCIX_INITPAT) & M_PCI_MODE_PCIX_INITPAT) + #define S_PCI_MODE_PCIX 5 #define V_PCI_MODE_PCIX(x) ((x) << S_PCI_MODE_PCIX) #define F_PCI_MODE_PCIX V_PCI_MODE_PCIX(1U) #define S_PCI_MODE_CLK 6 #define M_PCI_MODE_CLK 0x3 +#define V_PCI_MODE_CLK(x) ((x) << S_PCI_MODE_CLK) #define G_PCI_MODE_CLK(x) (((x) >> S_PCI_MODE_CLK) & M_PCI_MODE_CLK) #endif /* _CXGB_REGS_H_ */ diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 9fb77c6d6c6..26df2049d84 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -42,12 +42,14 @@ #include #include #include +#include #include #include #include #include #include #include +#include #include #include #include @@ -57,10 +59,8 @@ #include "regs.h" #include "espi.h" - -#ifdef NETIF_F_TSO -#include -#endif +/* This belongs in if_ether.h */ +#define ETH_P_CPL5 0xf #define SGE_CMDQ_N 2 #define SGE_FREELQ_N 2 @@ -73,6 +73,7 @@ #define SGE_INTRTIMER_NRES 1000 #define SGE_RX_COPY_THRES 256 #define SGE_RX_SM_BUF_SIZE 1536 +#define SGE_TX_DESC_MAX_PLEN 16384 # define SGE_RX_DROP_THRES 2 @@ -184,17 +185,17 @@ struct cmdQ { unsigned long status; /* HW DMA fetch status */ unsigned int in_use; /* # of in-use command descriptors */ unsigned int size; /* # of descriptors */ - unsigned int processed; /* total # of descs HW has processed */ - unsigned int cleaned; /* total # of descs SW has reclaimed */ - unsigned int stop_thres; /* SW TX queue suspend threshold */ + unsigned int processed; /* total # of descs HW has processed */ + unsigned int cleaned; /* total # of descs SW has reclaimed */ + unsigned int stop_thres; /* SW TX queue suspend threshold */ u16 pidx; /* producer index (SW) */ u16 cidx; /* consumer index (HW) */ u8 genbit; /* current generation (=valid) bit */ - u8 sop; /* is next entry start of packet? */ + u8 sop; /* is next entry start of packet? */ struct cmdQ_e *entries; /* HW command descriptor Q */ struct cmdQ_ce *centries; /* SW command context descriptor Q */ - spinlock_t lock; /* Lock to protect cmdQ enqueuing */ dma_addr_t dma_addr; /* DMA addr HW command descriptor Q */ + spinlock_t lock; /* Lock to protect cmdQ enqueuing */ }; struct freelQ { @@ -203,8 +204,8 @@ struct freelQ { u16 pidx; /* producer index (SW) */ u16 cidx; /* consumer index (HW) */ u16 rx_buffer_size; /* Buffer size on this free list */ - u16 dma_offset; /* DMA offset to align IP headers */ - u16 recycleq_idx; /* skb recycle q to use */ + u16 dma_offset; /* DMA offset to align IP headers */ + u16 recycleq_idx; /* skb recycle q to use */ u8 genbit; /* current generation (=valid) bit */ struct freelQ_e *entries; /* HW freelist descriptor Q */ struct freelQ_ce *centries; /* SW freelist context descriptor Q */ @@ -226,6 +227,29 @@ enum { CMDQ_STAT_LAST_PKT_DB = 2 /* last packet rung the doorbell */ }; +/* T204 TX SW scheduler */ + +/* Per T204 TX port */ +struct sched_port { + unsigned int avail; /* available bits - quota */ + unsigned int drain_bits_per_1024ns; /* drain rate */ + unsigned int speed; /* drain rate, mbps */ + unsigned int mtu; /* mtu size */ + struct sk_buff_head skbq; /* pending skbs */ +}; + +/* Per T204 device */ +struct sched { + ktime_t last_updated; /* last time quotas were computed */ + unsigned int max_avail; /* max bits to be sent to any port */ + unsigned int port; /* port index (round robin ports) */ + unsigned int num; /* num skbs in per port queues */ + struct sched_port p[MAX_NPORTS]; + struct tasklet_struct sched_tsk;/* tasklet used to run scheduler */ +}; +static void restart_sched(unsigned long); + + /* * Main SGE data structure * @@ -243,17 +267,239 @@ struct sge { unsigned int rx_pkt_pad; /* RX padding for L2 packets */ unsigned int jumbo_fl; /* jumbo freelist Q index */ unsigned int intrtimer_nres; /* no-resource interrupt timer */ - unsigned int fixed_intrtimer;/* non-adaptive interrupt timer */ + unsigned int fixed_intrtimer;/* non-adaptive interrupt timer */ struct timer_list tx_reclaim_timer; /* reclaims TX buffers */ struct timer_list espibug_timer; - unsigned int espibug_timeout; - struct sk_buff *espibug_skb; + unsigned long espibug_timeout; + struct sk_buff *espibug_skb[MAX_NPORTS]; u32 sge_control; /* shadow value of sge control reg */ struct sge_intr_counts stats; struct sge_port_stats port_stats[MAX_NPORTS]; + struct sched *tx_sched; struct cmdQ cmdQ[SGE_CMDQ_N] ____cacheline_aligned_in_smp; }; +/* + * stop tasklet and free all pending skb's + */ +static void tx_sched_stop(struct sge *sge) +{ + struct sched *s = sge->tx_sched; + int i; + + tasklet_kill(&s->sched_tsk); + + for (i = 0; i < MAX_NPORTS; i++) + __skb_queue_purge(&s->p[s->port].skbq); +} + +/* + * t1_sched_update_parms() is called when the MTU or link speed changes. It + * re-computes scheduler parameters to scope with the change. + */ +unsigned int t1_sched_update_parms(struct sge *sge, unsigned int port, + unsigned int mtu, unsigned int speed) +{ + struct sched *s = sge->tx_sched; + struct sched_port *p = &s->p[port]; + unsigned int max_avail_segs; + + pr_debug("t1_sched_update_params mtu=%d speed=%d\n", mtu, speed); + if (speed) + p->speed = speed; + if (mtu) + p->mtu = mtu; + + if (speed || mtu) { + unsigned long long drain = 1024ULL * p->speed * (p->mtu - 40); + do_div(drain, (p->mtu + 50) * 1000); + p->drain_bits_per_1024ns = (unsigned int) drain; + + if (p->speed < 1000) + p->drain_bits_per_1024ns = + 90 * p->drain_bits_per_1024ns / 100; + } + + if (board_info(sge->adapter)->board == CHBT_BOARD_CHT204) { + p->drain_bits_per_1024ns -= 16; + s->max_avail = max(4096U, p->mtu + 16 + 14 + 4); + max_avail_segs = max(1U, 4096 / (p->mtu - 40)); + } else { + s->max_avail = 16384; + max_avail_segs = max(1U, 9000 / (p->mtu - 40)); + } + + pr_debug("t1_sched_update_parms: mtu %u speed %u max_avail %u " + "max_avail_segs %u drain_bits_per_1024ns %u\n", p->mtu, + p->speed, s->max_avail, max_avail_segs, + p->drain_bits_per_1024ns); + + return max_avail_segs * (p->mtu - 40); +} + +/* + * t1_sched_max_avail_bytes() tells the scheduler the maximum amount of + * data that can be pushed per port. + */ +void t1_sched_set_max_avail_bytes(struct sge *sge, unsigned int val) +{ + struct sched *s = sge->tx_sched; + unsigned int i; + + s->max_avail = val; + for (i = 0; i < MAX_NPORTS; i++) + t1_sched_update_parms(sge, i, 0, 0); +} + +/* + * t1_sched_set_drain_bits_per_us() tells the scheduler at which rate a port + * is draining. + */ +void t1_sched_set_drain_bits_per_us(struct sge *sge, unsigned int port, + unsigned int val) +{ + struct sched *s = sge->tx_sched; + struct sched_port *p = &s->p[port]; + p->drain_bits_per_1024ns = val * 1024 / 1000; + t1_sched_update_parms(sge, port, 0, 0); +} + + +/* + * get_clock() implements a ns clock (see ktime_get) + */ +static inline ktime_t get_clock(void) +{ + struct timespec ts; + + ktime_get_ts(&ts); + return timespec_to_ktime(ts); +} + +/* + * tx_sched_init() allocates resources and does basic initialization. + */ +static int tx_sched_init(struct sge *sge) +{ + struct sched *s; + int i; + + s = kzalloc(sizeof (struct sched), GFP_KERNEL); + if (!s) + return -ENOMEM; + + pr_debug("tx_sched_init\n"); + tasklet_init(&s->sched_tsk, restart_sched, (unsigned long) sge); + sge->tx_sched = s; + + for (i = 0; i < MAX_NPORTS; i++) { + skb_queue_head_init(&s->p[i].skbq); + t1_sched_update_parms(sge, i, 1500, 1000); + } + + return 0; +} + +/* + * sched_update_avail() computes the delta since the last time it was called + * and updates the per port quota (number of bits that can be sent to the any + * port). + */ +static inline int sched_update_avail(struct sge *sge) +{ + struct sched *s = sge->tx_sched; + ktime_t now = get_clock(); + unsigned int i; + long long delta_time_ns; + + delta_time_ns = ktime_to_ns(ktime_sub(now, s->last_updated)); + + pr_debug("sched_update_avail delta=%lld\n", delta_time_ns); + if (delta_time_ns < 15000) + return 0; + + for (i = 0; i < MAX_NPORTS; i++) { + struct sched_port *p = &s->p[i]; + unsigned int delta_avail; + + delta_avail = (p->drain_bits_per_1024ns * delta_time_ns) >> 13; + p->avail = min(p->avail + delta_avail, s->max_avail); + } + + s->last_updated = now; + + return 1; +} + +/* + * sched_skb() is called from two different places. In the tx path, any + * packet generating load on an output port will call sched_skb() + * (skb != NULL). In addition, sched_skb() is called from the irq/soft irq + * context (skb == NULL). + * The scheduler only returns a skb (which will then be sent) if the + * length of the skb is <= the current quota of the output port. + */ +static struct sk_buff *sched_skb(struct sge *sge, struct sk_buff *skb, + unsigned int credits) +{ + struct sched *s = sge->tx_sched; + struct sk_buff_head *skbq; + unsigned int i, len, update = 1; + + pr_debug("sched_skb %p\n", skb); + if (!skb) { + if (!s->num) + return NULL; + } else { + skbq = &s->p[skb->dev->if_port].skbq; + __skb_queue_tail(skbq, skb); + s->num++; + skb = NULL; + } + + if (credits < MAX_SKB_FRAGS + 1) + goto out; + + again: + for (i = 0; i < MAX_NPORTS; i++) { + s->port = ++s->port & (MAX_NPORTS - 1); + skbq = &s->p[s->port].skbq; + + skb = skb_peek(skbq); + + if (!skb) + continue; + + len = skb->len; + if (len <= s->p[s->port].avail) { + s->p[s->port].avail -= len; + s->num--; + __skb_unlink(skb, skbq); + goto out; + } + skb = NULL; + } + + if (update-- && sched_update_avail(sge)) + goto again; + + out: + /* If there are more pending skbs, we use the hardware to schedule us + * again. + */ + if (s->num && !skb) { + struct cmdQ *q = &sge->cmdQ[0]; + clear_bit(CMDQ_STAT_LAST_PKT_DB, &q->status); + if (test_and_set_bit(CMDQ_STAT_RUNNING, &q->status) == 0) { + set_bit(CMDQ_STAT_LAST_PKT_DB, &q->status); + writel(F_CMDQ0_ENABLE, sge->adapter->regs + A_SG_DOORBELL); + } + } + pr_debug("sched_skb ret %p\n", skb); + + return skb; +} + /* * PIO to indicate that memory mapped Q contains valid descriptor(s). */ @@ -350,8 +596,11 @@ static int alloc_rx_resources(struct sge *sge, struct sge_params *p) sge->freelQ[!sge->jumbo_fl].rx_buffer_size = SGE_RX_SM_BUF_SIZE + sizeof(struct cpl_rx_data) + sge->freelQ[!sge->jumbo_fl].dma_offset; - sge->freelQ[sge->jumbo_fl].rx_buffer_size = (16 * 1024) - - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + + size = (16 * 1024) - + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + + sge->freelQ[sge->jumbo_fl].rx_buffer_size = size; /* * Setup which skb recycle Q should be used when recycling buffers from @@ -388,17 +637,23 @@ static void free_cmdQ_buffers(struct sge *sge, struct cmdQ *q, unsigned int n) q->in_use -= n; ce = &q->centries[cidx]; while (n--) { - if (q->sop) - pci_unmap_single(pdev, pci_unmap_addr(ce, dma_addr), - pci_unmap_len(ce, dma_len), - PCI_DMA_TODEVICE); - else - pci_unmap_page(pdev, pci_unmap_addr(ce, dma_addr), - pci_unmap_len(ce, dma_len), - PCI_DMA_TODEVICE); - q->sop = 0; + if (q->sop) { + if (likely(pci_unmap_len(ce, dma_len))) { + pci_unmap_single(pdev, + pci_unmap_addr(ce, dma_addr), + pci_unmap_len(ce, dma_len), + PCI_DMA_TODEVICE); + q->sop = 0; + } + } else { + if (likely(pci_unmap_len(ce, dma_len))) { + pci_unmap_page(pdev, pci_unmap_addr(ce, dma_addr), + pci_unmap_len(ce, dma_len), + PCI_DMA_TODEVICE); + } + } if (ce->skb) { - dev_kfree_skb(ce->skb); + dev_kfree_skb_any(ce->skb); q->sop = 1; } ce++; @@ -504,7 +759,7 @@ void t1_set_vlan_accel(struct adapter *adapter, int on_off) sge->sge_control |= F_VLAN_XTRACT; if (adapter->open_device_map) { writel(sge->sge_control, adapter->regs + A_SG_CONTROL); - readl(adapter->regs + A_SG_CONTROL); /* flush */ + readl(adapter->regs + A_SG_CONTROL); /* flush */ } } @@ -538,7 +793,6 @@ static void configure_sge(struct sge *sge, struct sge_params *p) sge->sge_control = F_CMDQ0_ENABLE | F_CMDQ1_ENABLE | F_FL0_ENABLE | F_FL1_ENABLE | F_CPL_ENABLE | F_RESPONSE_QUEUE_ENABLE | V_CMDQ_PRIORITY(2) | F_DISABLE_CMDQ1_GTS | F_ISCSI_COALESCE | - F_DISABLE_FL0_GTS | F_DISABLE_FL1_GTS | V_RX_PKT_OFFSET(sge->rx_pkt_pad); #if defined(__BIG_ENDIAN_BITFIELD) @@ -566,9 +820,7 @@ static inline unsigned int jumbo_payload_capacity(const struct sge *sge) */ void t1_sge_destroy(struct sge *sge) { - if (sge->espibug_skb) - kfree_skb(sge->espibug_skb); - + kfree(sge->tx_sched); free_tx_resources(sge); free_rx_resources(sge); kfree(sge); @@ -853,6 +1105,99 @@ static void unexpected_offload(struct adapter *adapter, struct freelQ *fl) recycle_fl_buf(fl, fl->cidx); } +/* + * T1/T2 SGE limits the maximum DMA size per TX descriptor to + * SGE_TX_DESC_MAX_PLEN (16KB). If the PAGE_SIZE is larger than 16KB, the + * stack might send more than SGE_TX_DESC_MAX_PLEN in a contiguous manner. + * Note that the *_large_page_tx_descs stuff will be optimized out when + * PAGE_SIZE <= SGE_TX_DESC_MAX_PLEN. + * + * compute_large_page_descs() computes how many additional descriptors are + * required to break down the stack's request. + */ +static inline unsigned int compute_large_page_tx_descs(struct sk_buff *skb) +{ + unsigned int count = 0; + if (PAGE_SIZE > SGE_TX_DESC_MAX_PLEN) { + unsigned int nfrags = skb_shinfo(skb)->nr_frags; + unsigned int i, len = skb->len - skb->data_len; + while (len > SGE_TX_DESC_MAX_PLEN) { + count++; + len -= SGE_TX_DESC_MAX_PLEN; + } + for (i = 0; nfrags--; i++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + len = frag->size; + while (len > SGE_TX_DESC_MAX_PLEN) { + count++; + len -= SGE_TX_DESC_MAX_PLEN; + } + } + } + return count; +} + +/* + * Write a cmdQ entry. + * + * Since this function writes the 'flags' field, it must not be used to + * write the first cmdQ entry. + */ +static inline void write_tx_desc(struct cmdQ_e *e, dma_addr_t mapping, + unsigned int len, unsigned int gen, + unsigned int eop) +{ + if (unlikely(len > SGE_TX_DESC_MAX_PLEN)) + BUG(); + e->addr_lo = (u32)mapping; + e->addr_hi = (u64)mapping >> 32; + e->len_gen = V_CMD_LEN(len) | V_CMD_GEN1(gen); + e->flags = F_CMD_DATAVALID | V_CMD_EOP(eop) | V_CMD_GEN2(gen); +} + +/* + * See comment for previous function. + * + * write_tx_descs_large_page() writes additional SGE tx descriptors if + * *desc_len exceeds HW's capability. + */ +static inline unsigned int write_large_page_tx_descs(unsigned int pidx, + struct cmdQ_e **e, + struct cmdQ_ce **ce, + unsigned int *gen, + dma_addr_t *desc_mapping, + unsigned int *desc_len, + unsigned int nfrags, + struct cmdQ *q) +{ + if (PAGE_SIZE > SGE_TX_DESC_MAX_PLEN) { + struct cmdQ_e *e1 = *e; + struct cmdQ_ce *ce1 = *ce; + + while (*desc_len > SGE_TX_DESC_MAX_PLEN) { + *desc_len -= SGE_TX_DESC_MAX_PLEN; + write_tx_desc(e1, *desc_mapping, SGE_TX_DESC_MAX_PLEN, + *gen, nfrags == 0 && *desc_len == 0); + ce1->skb = NULL; + pci_unmap_len_set(ce1, dma_len, 0); + *desc_mapping += SGE_TX_DESC_MAX_PLEN; + if (*desc_len) { + ce1++; + e1++; + if (++pidx == q->size) { + pidx = 0; + *gen ^= 1; + ce1 = q->centries; + e1 = q->entries; + } + } + } + *e = e1; + *ce = ce1; + } + return pidx; +} + /* * Write the command descriptors to transmit the given skb starting at * descriptor pidx with the given generation. @@ -861,50 +1206,84 @@ static inline void write_tx_descs(struct adapter *adapter, struct sk_buff *skb, unsigned int pidx, unsigned int gen, struct cmdQ *q) { - dma_addr_t mapping; + dma_addr_t mapping, desc_mapping; struct cmdQ_e *e, *e1; struct cmdQ_ce *ce; - unsigned int i, flags, nfrags = skb_shinfo(skb)->nr_frags; + unsigned int i, flags, first_desc_len, desc_len, + nfrags = skb_shinfo(skb)->nr_frags; - mapping = pci_map_single(adapter->pdev, skb->data, - skb->len - skb->data_len, PCI_DMA_TODEVICE); + e = e1 = &q->entries[pidx]; ce = &q->centries[pidx]; + + mapping = pci_map_single(adapter->pdev, skb->data, + skb->len - skb->data_len, PCI_DMA_TODEVICE); + + desc_mapping = mapping; + desc_len = skb->len - skb->data_len; + + flags = F_CMD_DATAVALID | F_CMD_SOP | + V_CMD_EOP(nfrags == 0 && desc_len <= SGE_TX_DESC_MAX_PLEN) | + V_CMD_GEN2(gen); + first_desc_len = (desc_len <= SGE_TX_DESC_MAX_PLEN) ? + desc_len : SGE_TX_DESC_MAX_PLEN; + e->addr_lo = (u32)desc_mapping; + e->addr_hi = (u64)desc_mapping >> 32; + e->len_gen = V_CMD_LEN(first_desc_len) | V_CMD_GEN1(gen); + ce->skb = NULL; + pci_unmap_len_set(ce, dma_len, 0); + + if (PAGE_SIZE > SGE_TX_DESC_MAX_PLEN && + desc_len > SGE_TX_DESC_MAX_PLEN) { + desc_mapping += first_desc_len; + desc_len -= first_desc_len; + e1++; + ce++; + if (++pidx == q->size) { + pidx = 0; + gen ^= 1; + e1 = q->entries; + ce = q->centries; + } + pidx = write_large_page_tx_descs(pidx, &e1, &ce, &gen, + &desc_mapping, &desc_len, + nfrags, q); + + if (likely(desc_len)) + write_tx_desc(e1, desc_mapping, desc_len, gen, + nfrags == 0); + } + ce->skb = NULL; pci_unmap_addr_set(ce, dma_addr, mapping); pci_unmap_len_set(ce, dma_len, skb->len - skb->data_len); - flags = F_CMD_DATAVALID | F_CMD_SOP | V_CMD_EOP(nfrags == 0) | - V_CMD_GEN2(gen); - e = &q->entries[pidx]; - e->addr_lo = (u32)mapping; - e->addr_hi = (u64)mapping >> 32; - e->len_gen = V_CMD_LEN(skb->len - skb->data_len) | V_CMD_GEN1(gen); - for (e1 = e, i = 0; nfrags--; i++) { + for (i = 0; nfrags--; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - ce++; e1++; + ce++; if (++pidx == q->size) { pidx = 0; gen ^= 1; - ce = q->centries; e1 = q->entries; + ce = q->centries; } mapping = pci_map_page(adapter->pdev, frag->page, frag->page_offset, frag->size, PCI_DMA_TODEVICE); + desc_mapping = mapping; + desc_len = frag->size; + + pidx = write_large_page_tx_descs(pidx, &e1, &ce, &gen, + &desc_mapping, &desc_len, + nfrags, q); + if (likely(desc_len)) + write_tx_desc(e1, desc_mapping, desc_len, gen, + nfrags == 0); ce->skb = NULL; pci_unmap_addr_set(ce, dma_addr, mapping); pci_unmap_len_set(ce, dma_len, frag->size); - - e1->addr_lo = (u32)mapping; - e1->addr_hi = (u64)mapping >> 32; - e1->len_gen = V_CMD_LEN(frag->size) | V_CMD_GEN1(gen); - e1->flags = F_CMD_DATAVALID | V_CMD_EOP(nfrags == 0) | - V_CMD_GEN2(gen); } - ce->skb = skb; wmb(); e->flags = flags; @@ -918,14 +1297,56 @@ static inline void reclaim_completed_tx(struct sge *sge, struct cmdQ *q) unsigned int reclaim = q->processed - q->cleaned; if (reclaim) { + pr_debug("reclaim_completed_tx processed:%d cleaned:%d\n", + q->processed, q->cleaned); free_cmdQ_buffers(sge, q, reclaim); q->cleaned += reclaim; } } -#ifndef SET_ETHTOOL_OPS -# define __netif_rx_complete(dev) netif_rx_complete(dev) -#endif +/* + * Called from tasklet. Checks the scheduler for any + * pending skbs that can be sent. + */ +static void restart_sched(unsigned long arg) +{ + struct sge *sge = (struct sge *) arg; + struct adapter *adapter = sge->adapter; + struct cmdQ *q = &sge->cmdQ[0]; + struct sk_buff *skb; + unsigned int credits, queued_skb = 0; + + spin_lock(&q->lock); + reclaim_completed_tx(sge, q); + + credits = q->size - q->in_use; + pr_debug("restart_sched credits=%d\n", credits); + while ((skb = sched_skb(sge, NULL, credits)) != NULL) { + unsigned int genbit, pidx, count; + count = 1 + skb_shinfo(skb)->nr_frags; + count += compute_large_page_tx_descs(skb); + q->in_use += count; + genbit = q->genbit; + pidx = q->pidx; + q->pidx += count; + if (q->pidx >= q->size) { + q->pidx -= q->size; + q->genbit ^= 1; + } + write_tx_descs(adapter, skb, pidx, genbit, q); + credits = q->size - q->in_use; + queued_skb = 1; + } + + if (queued_skb) { + clear_bit(CMDQ_STAT_LAST_PKT_DB, &q->status); + if (test_and_set_bit(CMDQ_STAT_RUNNING, &q->status) == 0) { + set_bit(CMDQ_STAT_LAST_PKT_DB, &q->status); + writel(F_CMDQ0_ENABLE, adapter->regs + A_SG_DOORBELL); + } + } + spin_unlock(&q->lock); +} /** * sge_rx - process an ingress ethernet packet @@ -953,6 +1374,11 @@ static int sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len) p = (struct cpl_rx_pkt *)skb->data; skb_pull(skb, sizeof(*p)); skb->dev = adapter->port[p->iff].dev; + if (p->iff >= adapter->params.nports) { + kfree_skb(skb); + return 0; + } + skb->dev->last_rx = jiffies; skb->protocol = eth_type_trans(skb, skb->dev); if ((adapter->flags & RX_CSUM_ENABLED) && p->csum == 0xffff && @@ -1025,18 +1451,24 @@ static unsigned int update_tx_info(struct adapter *adapter, struct cmdQ *cmdq = &sge->cmdQ[0]; cmdq->processed += pr0; - + if (flags & (F_FL0_ENABLE | F_FL1_ENABLE)) { + freelQs_empty(sge); + flags &= ~(F_FL0_ENABLE | F_FL1_ENABLE); + } if (flags & F_CMDQ0_ENABLE) { clear_bit(CMDQ_STAT_RUNNING, &cmdq->status); - + if (cmdq->cleaned + cmdq->in_use != cmdq->processed && !test_and_set_bit(CMDQ_STAT_LAST_PKT_DB, &cmdq->status)) { set_bit(CMDQ_STAT_RUNNING, &cmdq->status); writel(F_CMDQ0_ENABLE, adapter->regs + A_SG_DOORBELL); } - flags &= ~F_CMDQ0_ENABLE; + if (sge->tx_sched) + tasklet_hi_schedule(&sge->tx_sched->sched_tsk); + + flags &= ~F_CMDQ0_ENABLE; } - + if (unlikely(sge->stopped_tx_queues != 0)) restart_tx_queues(sge); @@ -1233,14 +1665,15 @@ static irqreturn_t t1_interrupt_napi(int irq, void *data) printk(KERN_INFO "NAPI schedule failure!\n"); } else - writel(q->cidx, adapter->regs + A_SG_SLEEPING); + writel(q->cidx, adapter->regs + A_SG_SLEEPING); + handled = 1; goto unlock; } else - writel(q->cidx, adapter->regs + A_SG_SLEEPING); - } else - if (readl(adapter->regs + A_PL_CAUSE) & F_PL_INTR_SGE_DATA) - printk(KERN_ERR "data interrupt while NAPI running\n"); + writel(q->cidx, adapter->regs + A_SG_SLEEPING); + } else if (readl(adapter->regs + A_PL_CAUSE) & F_PL_INTR_SGE_DATA) { + printk(KERN_ERR "data interrupt while NAPI running\n"); + } handled = t1_slow_intr_handler(adapter); if (!handled) @@ -1321,7 +1754,7 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, { struct sge *sge = adapter->sge; struct cmdQ *q = &sge->cmdQ[qid]; - unsigned int credits, pidx, genbit, count; + unsigned int credits, pidx, genbit, count, use_sched_skb = 0; spin_lock(&q->lock); reclaim_completed_tx(sge, q); @@ -1329,26 +1762,49 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, pidx = q->pidx; credits = q->size - q->in_use; count = 1 + skb_shinfo(skb)->nr_frags; + count += compute_large_page_tx_descs(skb); - { /* Ethernet packet */ - if (unlikely(credits < count)) { + /* Ethernet packet */ + if (unlikely(credits < count)) { + if (!netif_queue_stopped(dev)) { netif_stop_queue(dev); set_bit(dev->if_port, &sge->stopped_tx_queues); sge->stats.cmdQ_full[2]++; - spin_unlock(&q->lock); - if (!netif_queue_stopped(dev)) - CH_ERR("%s: Tx ring full while queue awake!\n", - adapter->name); - return NETDEV_TX_BUSY; + CH_ERR("%s: Tx ring full while queue awake!\n", + adapter->name); } - if (unlikely(credits - count < q->stop_thres)) { - sge->stats.cmdQ_full[2]++; - netif_stop_queue(dev); - set_bit(dev->if_port, &sge->stopped_tx_queues); + spin_unlock(&q->lock); + return NETDEV_TX_BUSY; + } + + if (unlikely(credits - count < q->stop_thres)) { + netif_stop_queue(dev); + set_bit(dev->if_port, &sge->stopped_tx_queues); + sge->stats.cmdQ_full[2]++; + } + + /* T204 cmdQ0 skbs that are destined for a certain port have to go + * through the scheduler. + */ + if (sge->tx_sched && !qid && skb->dev) { + use_sched: + use_sched_skb = 1; + /* Note that the scheduler might return a different skb than + * the one passed in. + */ + skb = sched_skb(sge, skb, credits); + if (!skb) { + spin_unlock(&q->lock); + return NETDEV_TX_OK; } + pidx = q->pidx; + count = 1 + skb_shinfo(skb)->nr_frags; + count += compute_large_page_tx_descs(skb); } + q->in_use += count; genbit = q->genbit; + pidx = q->pidx; q->pidx += count; if (q->pidx >= q->size) { q->pidx -= q->size; @@ -1374,6 +1830,14 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, writel(F_CMDQ0_ENABLE, adapter->regs + A_SG_DOORBELL); } } + + if (use_sched_skb) { + if (spin_trylock(&q->lock)) { + credits = q->size - q->in_use; + skb = NULL; + goto use_sched; + } + } return NETDEV_TX_OK; } @@ -1402,8 +1866,10 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) struct sge *sge = adapter->sge; struct cpl_tx_pkt *cpl; -#ifdef NETIF_F_TSO - if (skb_is_gso(skb)) { + if (skb->protocol == htons(ETH_P_CPL5)) + goto send; + + if (skb_shinfo(skb)->gso_size) { int eth_type; struct cpl_tx_pkt_lso *hdr; @@ -1418,13 +1884,11 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) hdr->ip_hdr_words = skb->nh.iph->ihl; hdr->tcp_hdr_words = skb->h.th->doff; hdr->eth_type_mss = htons(MK_ETH_TYPE_MSS(eth_type, - skb_shinfo(skb)->gso_size)); + skb_shinfo(skb)->gso_size)); hdr->len = htonl(skb->len - sizeof(*hdr)); cpl = (struct cpl_tx_pkt *)hdr; sge->stats.tx_lso_pkts++; - } else -#endif - { + } else { /* * Packets shorter than ETH_HLEN can break the MAC, drop them * early. Also, we may get oversized packets because some @@ -1433,6 +1897,8 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) */ if (unlikely(skb->len < ETH_HLEN || skb->len > dev->mtu + eth_hdr_len(skb->data))) { + pr_debug("%s: packet size %d hdr %d mtu%d\n", dev->name, + skb->len, eth_hdr_len(skb->data), dev->mtu); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -1442,10 +1908,12 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) * components, such as pktgen, do not handle it right. * Complain when this happens but try to fix things up. */ - if (unlikely(skb_headroom(skb) < - dev->hard_header_len - ETH_HLEN)) { + if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) { struct sk_buff *orig_skb = skb; + pr_debug("%s: headroom %d header_len %d\n", dev->name, + skb_headroom(skb), dev->hard_header_len); + if (net_ratelimit()) printk(KERN_ERR "%s: inadequate headroom in " "Tx packet\n", dev->name); @@ -1457,19 +1925,21 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!(adapter->flags & UDP_CSUM_CAPABLE) && skb->ip_summed == CHECKSUM_PARTIAL && - skb->nh.iph->protocol == IPPROTO_UDP) + skb->nh.iph->protocol == IPPROTO_UDP) { if (unlikely(skb_checksum_help(skb))) { + pr_debug("%s: unable to do udp checksum\n", dev->name); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } + } /* Hmmm, assuming to catch the gratious arp... and we'll use * it to flush out stuck espi packets... - */ - if (unlikely(!adapter->sge->espibug_skb)) { + */ + if ((unlikely(!adapter->sge->espibug_skb[dev->if_port]))) { if (skb->protocol == htons(ETH_P_ARP) && skb->nh.arph->ar_op == htons(ARPOP_REQUEST)) { - adapter->sge->espibug_skb = skb; + adapter->sge->espibug_skb[dev->if_port] = skb; /* We want to re-use this skb later. We * simply bump the reference count and it * will not be freed... @@ -1499,6 +1969,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) #endif cpl->vlan_valid = 0; +send: dev->trans_start = jiffies; return t1_sge_tx(skb, adapter, 0, dev); } @@ -1518,10 +1989,9 @@ static void sge_tx_reclaim_cb(unsigned long data) continue; reclaim_completed_tx(sge, q); - if (i == 0 && q->in_use) /* flush pending credits */ - writel(F_CMDQ0_ENABLE, - sge->adapter->regs + A_SG_DOORBELL); - + if (i == 0 && q->in_use) { /* flush pending credits */ + writel(F_CMDQ0_ENABLE, sge->adapter->regs + A_SG_DOORBELL); + } spin_unlock(&q->lock); } mod_timer(&sge->tx_reclaim_timer, jiffies + TX_RECLAIM_PERIOD); @@ -1568,11 +2038,20 @@ int t1_sge_configure(struct sge *sge, struct sge_params *p) */ void t1_sge_stop(struct sge *sge) { + int i; writel(0, sge->adapter->regs + A_SG_CONTROL); - (void) readl(sge->adapter->regs + A_SG_CONTROL); /* flush */ + readl(sge->adapter->regs + A_SG_CONTROL); /* flush */ + if (is_T2(sge->adapter)) del_timer_sync(&sge->espibug_timer); + del_timer_sync(&sge->tx_reclaim_timer); + if (sge->tx_sched) + tx_sched_stop(sge); + + for (i = 0; i < MAX_NPORTS; i++) + if (sge->espibug_skb[i]) + kfree_skb(sge->espibug_skb[i]); } /* @@ -1585,48 +2064,86 @@ void t1_sge_start(struct sge *sge) writel(sge->sge_control, sge->adapter->regs + A_SG_CONTROL); doorbell_pio(sge->adapter, F_FL0_ENABLE | F_FL1_ENABLE); - (void) readl(sge->adapter->regs + A_SG_CONTROL); /* flush */ + readl(sge->adapter->regs + A_SG_CONTROL); /* flush */ mod_timer(&sge->tx_reclaim_timer, jiffies + TX_RECLAIM_PERIOD); - if (is_T2(sge->adapter)) + if (is_T2(sge->adapter)) mod_timer(&sge->espibug_timer, jiffies + sge->espibug_timeout); } /* * Callback for the T2 ESPI 'stuck packet feature' workaorund */ -static void espibug_workaround(void *data) +static void espibug_workaround_t204(unsigned long data) { struct adapter *adapter = (struct adapter *)data; struct sge *sge = adapter->sge; + unsigned int nports = adapter->params.nports; + u32 seop[MAX_NPORTS]; - if (netif_running(adapter->port[0].dev)) { - struct sk_buff *skb = sge->espibug_skb; - - u32 seop = t1_espi_get_mon(adapter, 0x930, 0); - - if ((seop & 0xfff0fff) == 0xfff && skb) { - if (!skb->cb[0]) { - u8 ch_mac_addr[ETH_ALEN] = - {0x0, 0x7, 0x43, 0x0, 0x0, 0x0}; - memcpy(skb->data + sizeof(struct cpl_tx_pkt), - ch_mac_addr, ETH_ALEN); - memcpy(skb->data + skb->len - 10, ch_mac_addr, - ETH_ALEN); - skb->cb[0] = 0xff; + if (adapter->open_device_map & PORT_MASK) { + int i; + if (t1_espi_get_mon_t204(adapter, &(seop[0]), 0) < 0) { + return; + } + for (i = 0; i < nports; i++) { + struct sk_buff *skb = sge->espibug_skb[i]; + if ( (netif_running(adapter->port[i].dev)) && + !(netif_queue_stopped(adapter->port[i].dev)) && + (seop[i] && ((seop[i] & 0xfff) == 0)) && + skb ) { + if (!skb->cb[0]) { + u8 ch_mac_addr[ETH_ALEN] = + {0x0, 0x7, 0x43, 0x0, 0x0, 0x0}; + memcpy(skb->data + sizeof(struct cpl_tx_pkt), + ch_mac_addr, ETH_ALEN); + memcpy(skb->data + skb->len - 10, + ch_mac_addr, ETH_ALEN); + skb->cb[0] = 0xff; + } + + /* bump the reference count to avoid freeing of + * the skb once the DMA has completed. + */ + skb = skb_get(skb); + t1_sge_tx(skb, adapter, 0, adapter->port[i].dev); } - - /* bump the reference count to avoid freeing of the - * skb once the DMA has completed. - */ - skb = skb_get(skb); - t1_sge_tx(skb, adapter, 0, adapter->port[0].dev); } } mod_timer(&sge->espibug_timer, jiffies + sge->espibug_timeout); } +static void espibug_workaround(unsigned long data) +{ + struct adapter *adapter = (struct adapter *)data; + struct sge *sge = adapter->sge; + + if (netif_running(adapter->port[0].dev)) { + struct sk_buff *skb = sge->espibug_skb[0]; + u32 seop = t1_espi_get_mon(adapter, 0x930, 0); + + if ((seop & 0xfff0fff) == 0xfff && skb) { + if (!skb->cb[0]) { + u8 ch_mac_addr[ETH_ALEN] = + {0x0, 0x7, 0x43, 0x0, 0x0, 0x0}; + memcpy(skb->data + sizeof(struct cpl_tx_pkt), + ch_mac_addr, ETH_ALEN); + memcpy(skb->data + skb->len - 10, ch_mac_addr, + ETH_ALEN); + skb->cb[0] = 0xff; + } + + /* bump the reference count to avoid freeing of the + * skb once the DMA has completed. + */ + skb = skb_get(skb); + t1_sge_tx(skb, adapter, 0, adapter->port[0].dev); + } + } + mod_timer(&sge->espibug_timer, jiffies + sge->espibug_timeout); +} + /* * Creates a t1_sge structure and returns suggested resource parameters. */ @@ -1649,9 +2166,19 @@ struct sge * __devinit t1_sge_create(struct adapter *adapter, if (is_T2(sge->adapter)) { init_timer(&sge->espibug_timer); - sge->espibug_timer.function = (void *)&espibug_workaround; + + if (adapter->params.nports > 1) { + tx_sched_init(sge); + sge->espibug_timer.function = espibug_workaround_t204; + } else { + sge->espibug_timer.function = espibug_workaround; + } sge->espibug_timer.data = (unsigned long)sge->adapter; + sge->espibug_timeout = 1; + /* for T204, every 10ms */ + if (adapter->params.nports > 1) + sge->espibug_timeout = HZ/100; } @@ -1659,7 +2186,14 @@ struct sge * __devinit t1_sge_create(struct adapter *adapter, p->cmdQ_size[1] = SGE_CMDQ1_E_N; p->freelQ_size[!sge->jumbo_fl] = SGE_FREEL_SIZE; p->freelQ_size[sge->jumbo_fl] = SGE_JUMBO_FREEL_SIZE; - p->rx_coalesce_usecs = 50; + if (sge->tx_sched) { + if (board_info(sge->adapter)->board == CHBT_BOARD_CHT204) + p->rx_coalesce_usecs = 15; + else + p->rx_coalesce_usecs = 50; + } else + p->rx_coalesce_usecs = 50; + p->coalesce_enable = 0; p->sample_interval_usecs = 0; p->polling = 0; diff --git a/drivers/net/chelsio/sge.h b/drivers/net/chelsio/sge.h index 91af47bab7b..4691c4f58e7 100644 --- a/drivers/net/chelsio/sge.h +++ b/drivers/net/chelsio/sge.h @@ -92,5 +92,9 @@ void t1_sge_intr_disable(struct sge *); void t1_sge_intr_clear(struct sge *); const struct sge_intr_counts *t1_sge_get_intr_counts(struct sge *sge); const struct sge_port_stats *t1_sge_get_port_stats(struct sge *sge, int port); +void t1_sched_set_max_avail_bytes(struct sge *, unsigned int); +void t1_sched_set_drain_bits_per_us(struct sge *, unsigned int, unsigned int); +unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int, + unsigned int); #endif /* _CXGB_SGE_H_ */ diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c index e4473ec43d2..d41d15a71e4 100644 --- a/drivers/net/chelsio/subr.c +++ b/drivers/net/chelsio/subr.c @@ -43,6 +43,7 @@ #include "gmac.h" #include "cphy.h" #include "sge.h" +#include "tp.h" #include "espi.h" /** @@ -59,7 +60,7 @@ * otherwise. */ static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity, - int attempts, int delay) + int attempts, int delay) { while (1) { u32 val = readl(adapter->regs + reg) & mask; @@ -78,7 +79,7 @@ static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity, /* * Write a register over the TPI interface (unlocked and locked versions). */ -static int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) +int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) { int tpi_busy; @@ -98,16 +99,16 @@ int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) { int ret; - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); ret = __t1_tpi_write(adapter, addr, value); - spin_unlock(&(adapter)->tpi_lock); + spin_unlock(&adapter->tpi_lock); return ret; } /* * Read a register over the TPI interface (unlocked and locked versions). */ -static int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) +int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) { int tpi_busy; @@ -128,18 +129,26 @@ int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) { int ret; - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); ret = __t1_tpi_read(adapter, addr, valp); - spin_unlock(&(adapter)->tpi_lock); + spin_unlock(&adapter->tpi_lock); return ret; } +/* + * Set a TPI parameter. + */ +static void t1_tpi_par(adapter_t *adapter, u32 value) +{ + writel(V_TPIPAR(value), adapter->regs + A_TPI_PAR); +} + /* * Called when a port's link settings change to propagate the new values to the * associated PHY and MAC. After performing the common tasks it invokes an * OS-specific handler. */ -/* static */ void link_changed(adapter_t *adapter, int port_id) +void t1_link_changed(adapter_t *adapter, int port_id) { int link_ok, speed, duplex, fc; struct cphy *phy = adapter->port[port_id].phy; @@ -159,7 +168,7 @@ int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) mac->ops->set_speed_duplex_fc(mac, speed, duplex, fc); lc->fc = (unsigned char)fc; } - t1_link_changed(adapter, port_id, link_ok, speed, duplex, fc); + t1_link_negotiated(adapter, port_id, link_ok, speed, duplex, fc); } static int t1_pci_intr_handler(adapter_t *adapter) @@ -217,7 +226,7 @@ static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, { u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr); - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); /* Write the address we want. */ __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); @@ -227,12 +236,13 @@ static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); /* Write the operation we want. */ - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_READ); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_READ); mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); /* Read the data. */ __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, valp); - spin_unlock(&(adapter)->tpi_lock); + spin_unlock(&adapter->tpi_lock); return 0; } @@ -241,7 +251,7 @@ static int mi1_mdio_ext_write(adapter_t *adapter, int phy_addr, int mmd_addr, { u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr); - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); /* Write the address we want. */ __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); @@ -254,7 +264,7 @@ static int mi1_mdio_ext_write(adapter_t *adapter, int phy_addr, int mmd_addr, __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val); __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_WRITE); mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); - spin_unlock(&(adapter)->tpi_lock); + spin_unlock(&adapter->tpi_lock); return 0; } @@ -265,12 +275,25 @@ static struct mdio_ops mi1_mdio_ext_ops = { }; enum { + CH_BRD_T110_1CU, CH_BRD_N110_1F, CH_BRD_N210_1F, + CH_BRD_T210_1F, + CH_BRD_T210_1CU, + CH_BRD_N204_4CU, }; static struct board_info t1_board[] = { +{ CHBT_BOARD_CHT110, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T1, + CHBT_MAC_PM3393, CHBT_PHY_MY3126, + 125000000/*clk-core*/, 150000000/*clk-mc3*/, 125000000/*clk-mc4*/, + 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 1/*mdien*/, + 1/*mdiinv*/, 1/*mdc*/, 1/*phybaseaddr*/, &t1_pm3393_ops, + &t1_my3126_ops, &mi1_mdio_ext_ops, + "Chelsio T110 1x10GBase-CX4 TOE" }, + { CHBT_BOARD_N110, 1/*ports#*/, SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE /*caps*/, CHBT_TERM_T1, CHBT_MAC_PM3393, CHBT_PHY_88X2010, @@ -289,12 +312,36 @@ static struct board_info t1_board[] = { &t1_mv88x201x_ops, &mi1_mdio_ext_ops, "Chelsio N210 1x10GBaseX NIC" }, +{ CHBT_BOARD_CHT210, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T2, + CHBT_MAC_PM3393, CHBT_PHY_88X2010, + 125000000/*clk-core*/, 133000000/*clk-mc3*/, 125000000/*clk-mc4*/, + 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, + 0/*mdiinv*/, 1/*mdc*/, 0/*phybaseaddr*/, &t1_pm3393_ops, + &t1_mv88x201x_ops, &mi1_mdio_ext_ops, + "Chelsio T210 1x10GBaseX TOE" }, + +{ CHBT_BOARD_CHT210, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T2, + CHBT_MAC_PM3393, CHBT_PHY_MY3126, + 125000000/*clk-core*/, 133000000/*clk-mc3*/, 125000000/*clk-mc4*/, + 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 1/*mdien*/, + 1/*mdiinv*/, 1/*mdc*/, 1/*phybaseaddr*/, &t1_pm3393_ops, + &t1_my3126_ops, &mi1_mdio_ext_ops, + "Chelsio T210 1x10GBase-CX4 TOE" }, + + }; struct pci_device_id t1_pci_tbl[] = { + CH_DEVICE(8, 0, CH_BRD_T110_1CU), + CH_DEVICE(8, 1, CH_BRD_T110_1CU), CH_DEVICE(7, 0, CH_BRD_N110_1F), CH_DEVICE(10, 1, CH_BRD_N210_1F), - { 0, } + CH_DEVICE(11, 1, CH_BRD_T210_1F), + CH_DEVICE(14, 1, CH_BRD_T210_1CU), + CH_DEVICE(16, 1, CH_BRD_N204_4CU), + { 0 } }; MODULE_DEVICE_TABLE(pci, t1_pci_tbl); @@ -390,9 +437,14 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) if (lc->supported & SUPPORTED_Autoneg) { lc->advertising &= ~(ADVERTISED_ASYM_PAUSE | ADVERTISED_PAUSE); if (fc) { - lc->advertising |= ADVERTISED_ASYM_PAUSE; - if (fc == (PAUSE_RX | PAUSE_TX)) + if (fc == ((PAUSE_RX | PAUSE_TX) & + (mac->adapter->params.nports < 2))) lc->advertising |= ADVERTISED_PAUSE; + else { + lc->advertising |= ADVERTISED_ASYM_PAUSE; + if (fc == PAUSE_RX) + lc->advertising |= ADVERTISED_PAUSE; + } } phy->ops->advertise(phy, lc->advertising); @@ -403,11 +455,15 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) mac->ops->set_speed_duplex_fc(mac, lc->speed, lc->duplex, fc); /* Also disables autoneg */ + phy->state = PHY_AUTONEG_RDY; phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex); phy->ops->reset(phy, 0); - } else + } else { + phy->state = PHY_AUTONEG_EN; phy->ops->autoneg_enable(phy); /* also resets PHY */ + } } else { + phy->state = PHY_AUTONEG_RDY; mac->ops->set_speed_duplex_fc(mac, -1, -1, fc); lc->fc = (unsigned char)fc; phy->ops->reset(phy, 0); @@ -418,7 +474,7 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) /* * External interrupt handler for boards using elmer0. */ -int elmer0_ext_intr_handler(adapter_t *adapter) +int t1_elmer0_ext_intr_handler(adapter_t *adapter) { struct cphy *phy; int phy_cause; @@ -427,14 +483,33 @@ int elmer0_ext_intr_handler(adapter_t *adapter) t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); switch (board_info(adapter)->board) { + case CHBT_BOARD_CHT210: case CHBT_BOARD_N210: case CHBT_BOARD_N110: if (cause & ELMER0_GP_BIT6) { /* Marvell 88x2010 interrupt */ phy = adapter->port[0].phy; phy_cause = phy->ops->interrupt_handler(phy); if (phy_cause & cphy_cause_link_change) - link_changed(adapter, 0); + t1_link_changed(adapter, 0); + } + break; + case CHBT_BOARD_8000: + case CHBT_BOARD_CHT110: + CH_DBG(adapter, INTR, "External interrupt cause 0x%x\n", + cause); + if (cause & ELMER0_GP_BIT1) { /* PMC3393 INTB */ + struct cmac *mac = adapter->port[0].mac; + + mac->ops->interrupt_handler(mac); } + if (cause & ELMER0_GP_BIT5) { /* XPAK MOD_DETECT */ + u32 mod_detect; + + t1_tpi_read(adapter, + A_ELMER0_GPI_STAT, &mod_detect); + CH_MSG(adapter, INFO, LINK, "XPAK %s\n", + mod_detect ? "removed" : "inserted"); + } break; } t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause); @@ -445,11 +520,11 @@ int elmer0_ext_intr_handler(adapter_t *adapter) void t1_interrupts_enable(adapter_t *adapter) { unsigned int i; - u32 pl_intr; - adapter->slow_intr_mask = F_PL_INTR_SGE_ERR; + adapter->slow_intr_mask = F_PL_INTR_SGE_ERR | F_PL_INTR_TP; t1_sge_intr_enable(adapter->sge); + t1_tp_intr_enable(adapter->tp); if (adapter->espi) { adapter->slow_intr_mask |= F_PL_INTR_ESPI; t1_espi_intr_enable(adapter->espi); @@ -462,15 +537,17 @@ void t1_interrupts_enable(adapter_t *adapter) } /* Enable PCIX & external chip interrupts on ASIC boards. */ - pl_intr = readl(adapter->regs + A_PL_ENABLE); + if (t1_is_asic(adapter)) { + u32 pl_intr = readl(adapter->regs + A_PL_ENABLE); - /* PCI-X interrupts */ - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, - 0xffffffff); + /* PCI-X interrupts */ + pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, + 0xffffffff); - adapter->slow_intr_mask |= F_PL_INTR_EXT | F_PL_INTR_PCIX; - pl_intr |= F_PL_INTR_EXT | F_PL_INTR_PCIX; - writel(pl_intr, adapter->regs + A_PL_ENABLE); + adapter->slow_intr_mask |= F_PL_INTR_EXT | F_PL_INTR_PCIX; + pl_intr |= F_PL_INTR_EXT | F_PL_INTR_PCIX; + writel(pl_intr, adapter->regs + A_PL_ENABLE); + } } /* Disables all interrupts. */ @@ -479,6 +556,7 @@ void t1_interrupts_disable(adapter_t* adapter) unsigned int i; t1_sge_intr_disable(adapter->sge); + t1_tp_intr_disable(adapter->tp); if (adapter->espi) t1_espi_intr_disable(adapter->espi); @@ -489,7 +567,8 @@ void t1_interrupts_disable(adapter_t* adapter) } /* Disable PCIX & external chip interrupts. */ - writel(0, adapter->regs + A_PL_ENABLE); + if (t1_is_asic(adapter)) + writel(0, adapter->regs + A_PL_ENABLE); /* PCI-X interrupts */ pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, 0); @@ -501,10 +580,9 @@ void t1_interrupts_disable(adapter_t* adapter) void t1_interrupts_clear(adapter_t* adapter) { unsigned int i; - u32 pl_intr; - t1_sge_intr_clear(adapter->sge); + t1_tp_intr_clear(adapter->tp); if (adapter->espi) t1_espi_intr_clear(adapter->espi); @@ -515,10 +593,12 @@ void t1_interrupts_clear(adapter_t* adapter) } /* Enable interrupts for external devices. */ - pl_intr = readl(adapter->regs + A_PL_CAUSE); + if (t1_is_asic(adapter)) { + u32 pl_intr = readl(adapter->regs + A_PL_CAUSE); - writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX, - adapter->regs + A_PL_CAUSE); + writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX, + adapter->regs + A_PL_CAUSE); + } /* PCI-X interrupts */ pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, 0xffffffff); @@ -527,7 +607,7 @@ void t1_interrupts_clear(adapter_t* adapter) /* * Slow path interrupt handler for ASICs. */ -int t1_slow_intr_handler(adapter_t *adapter) +static int asic_slow_intr(adapter_t *adapter) { u32 cause = readl(adapter->regs + A_PL_CAUSE); @@ -536,89 +616,50 @@ int t1_slow_intr_handler(adapter_t *adapter) return 0; if (cause & F_PL_INTR_SGE_ERR) t1_sge_intr_error_handler(adapter->sge); + if (cause & F_PL_INTR_TP) + t1_tp_intr_handler(adapter->tp); if (cause & F_PL_INTR_ESPI) t1_espi_intr_handler(adapter->espi); if (cause & F_PL_INTR_PCIX) t1_pci_intr_handler(adapter); if (cause & F_PL_INTR_EXT) - t1_elmer0_ext_intr(adapter); + t1_elmer0_ext_intr_handler(adapter); /* Clear the interrupts just processed. */ writel(cause, adapter->regs + A_PL_CAUSE); - (void)readl(adapter->regs + A_PL_CAUSE); /* flush writes */ + readl(adapter->regs + A_PL_CAUSE); /* flush writes */ return 1; } -/* Pause deadlock avoidance parameters */ -#define DROP_MSEC 16 -#define DROP_PKTS_CNT 1 - -static void set_csum_offload(adapter_t *adapter, u32 csum_bit, int enable) -{ - u32 val = readl(adapter->regs + A_TP_GLOBAL_CONFIG); - - if (enable) - val |= csum_bit; - else - val &= ~csum_bit; - writel(val, adapter->regs + A_TP_GLOBAL_CONFIG); -} - -void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable) -{ - set_csum_offload(adapter, F_IP_CSUM, enable); -} - -void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable) +int t1_slow_intr_handler(adapter_t *adapter) { - set_csum_offload(adapter, F_UDP_CSUM, enable); + return asic_slow_intr(adapter); } -void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable) +/* Power sequencing is a work-around for Intel's XPAKs. */ +static void power_sequence_xpak(adapter_t* adapter) { - set_csum_offload(adapter, F_TCP_CSUM, enable); -} + u32 mod_detect; + u32 gpo; -static void t1_tp_reset(adapter_t *adapter, unsigned int tp_clk) -{ - u32 val; - - val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM | - F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET; - val |= F_TP_IN_ESPI_CHECK_IP_CSUM | - F_TP_IN_ESPI_CHECK_TCP_CSUM; - writel(val, adapter->regs + A_TP_IN_CONFIG); - writel(F_TP_OUT_CSPI_CPL | - F_TP_OUT_ESPI_ETHERNET | - F_TP_OUT_ESPI_GENERATE_IP_CSUM | - F_TP_OUT_ESPI_GENERATE_TCP_CSUM, - adapter->regs + A_TP_OUT_CONFIG); - - val = readl(adapter->regs + A_TP_GLOBAL_CONFIG); - val &= ~(F_IP_CSUM | F_UDP_CSUM | F_TCP_CSUM); - writel(val, adapter->regs + A_TP_GLOBAL_CONFIG); - - /* - * Enable pause frame deadlock prevention. - */ - if (is_T2(adapter)) { - u32 drop_ticks = DROP_MSEC * (tp_clk / 1000); - - writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR | - V_DROP_TICKS_CNT(drop_ticks) | - V_NUM_PKTS_DROPPED(DROP_PKTS_CNT), - adapter->regs + A_TP_TX_DROP_CONFIG); + /* Check for XPAK */ + t1_tpi_read(adapter, A_ELMER0_GPI_STAT, &mod_detect); + if (!(ELMER0_GP_BIT5 & mod_detect)) { + /* XPAK is present */ + t1_tpi_read(adapter, A_ELMER0_GPO, &gpo); + gpo |= ELMER0_GP_BIT18; + t1_tpi_write(adapter, A_ELMER0_GPO, gpo); } - - writel(F_TP_RESET, adapter->regs + A_TP_RESET); } int __devinit t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, struct adapter_params *p) { p->chip_version = bi->chip_term; + p->is_asic = (p->chip_version != CHBT_TERM_FPGA); if (p->chip_version == CHBT_TERM_T1 || - p->chip_version == CHBT_TERM_T2) { + p->chip_version == CHBT_TERM_T2 || + p->chip_version == CHBT_TERM_FPGA) { u32 val = readl(adapter->regs + A_TP_PC_CONFIG); val = G_TP_PC_REV(val); @@ -640,10 +681,22 @@ int __devinit t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, static int board_init(adapter_t *adapter, const struct board_info *bi) { switch (bi->board) { + case CHBT_BOARD_8000: case CHBT_BOARD_N110: case CHBT_BOARD_N210: - writel(V_TPIPAR(0xf), adapter->regs + A_TPI_PAR); - t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); + case CHBT_BOARD_CHT210: + case CHBT_BOARD_COUGAR: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); + break; + case CHBT_BOARD_CHT110: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x1800); + + /* TBD XXX Might not need. This fixes a problem + * described in the Intel SR XPAK errata. + */ + power_sequence_xpak(adapter); break; } return 0; @@ -670,7 +723,8 @@ int t1_init_hw_modules(adapter_t *adapter) bi->espi_nports)) goto out_err; - t1_tp_reset(adapter, bi->clock_core); + if (t1_tp_reset(adapter->tp, &adapter->params.tp, bi->clock_core)) + goto out_err; err = t1_sge_configure(adapter->sge, &adapter->params.sge); if (err) @@ -714,6 +768,8 @@ void t1_free_sw_modules(adapter_t *adapter) if (adapter->sge) t1_sge_destroy(adapter->sge); + if (adapter->tp) + t1_tp_destroy(adapter->tp); if (adapter->espi) t1_espi_destroy(adapter->espi); } @@ -762,6 +818,13 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, goto error; } + adapter->tp = t1_tp_create(adapter, &adapter->params.tp); + if (!adapter->tp) { + CH_ERR("%s: TP initialization failed\n", + adapter->name); + goto error; + } + board_init(adapter, bi); bi->mdio_ops->init(adapter, bi); if (bi->gphy->reset) @@ -793,7 +856,9 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, * Get the port's MAC addresses either from the EEPROM if one * exists or the one hardcoded in the MAC. */ - if (vpd_macaddress_get(adapter, i, hw_addr)) { + if (!t1_is_asic(adapter) || bi->chip_mac == CHBT_MAC_DUMMY) + mac->ops->macaddress_get(mac, hw_addr); + else if (vpd_macaddress_get(adapter, i, hw_addr)) { CH_ERR("%s: could not read MAC address from VPD ROM\n", adapter->port[i].dev->name); goto error; @@ -806,7 +871,7 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, t1_interrupts_clear(adapter); return 0; - error: +error: t1_free_sw_modules(adapter); return -1; } diff --git a/drivers/net/chelsio/suni1x10gexp_regs.h b/drivers/net/chelsio/suni1x10gexp_regs.h index 81816c2b708..269d097dd92 100644 --- a/drivers/net/chelsio/suni1x10gexp_regs.h +++ b/drivers/net/chelsio/suni1x10gexp_regs.h @@ -32,6 +32,30 @@ #ifndef _CXGB_SUNI1x10GEXP_REGS_H_ #define _CXGB_SUNI1x10GEXP_REGS_H_ +/* +** Space allocated for each Exact Match Filter +** There are 8 filter configurations +*/ +#define SUNI1x10GEXP_REG_SIZEOF_MAC_FILTER 0x0003 + +#define mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId) ( (filterId) * SUNI1x10GEXP_REG_SIZEOF_MAC_FILTER ) + +/* +** Space allocated for VLAN-Id Filter +** There are 8 filter configurations +*/ +#define SUNI1x10GEXP_REG_SIZEOF_MAC_VID_FILTER 0x0001 + +#define mSUNI1x10GEXP_MAC_VID_FILTER_OFFSET(filterId) ( (filterId) * SUNI1x10GEXP_REG_SIZEOF_MAC_VID_FILTER ) + +/* +** Space allocated for each MSTAT Counter +*/ +#define SUNI1x10GEXP_REG_SIZEOF_MSTAT_COUNT 0x0004 + +#define mSUNI1x10GEXP_MSTAT_COUNT_OFFSET(countId) ( (countId) * SUNI1x10GEXP_REG_SIZEOF_MSTAT_COUNT ) + + /******************************************************************************/ /** S/UNI-1x10GE-XP REGISTER ADDRESS MAP **/ /******************************************************************************/ @@ -39,33 +63,125 @@ /* to the S/UNI-1x10GE-XP Data Sheet for the signification of each bit */ /******************************************************************************/ + +#define SUNI1x10GEXP_REG_IDENTIFICATION 0x0000 +#define SUNI1x10GEXP_REG_PRODUCT_REVISION 0x0001 +#define SUNI1x10GEXP_REG_CONFIG_AND_RESET_CONTROL 0x0002 +#define SUNI1x10GEXP_REG_LOOPBACK_MISC_CTRL 0x0003 #define SUNI1x10GEXP_REG_DEVICE_STATUS 0x0004 +#define SUNI1x10GEXP_REG_GLOBAL_PERFORMANCE_MONITOR_UPDATE 0x0005 + +#define SUNI1x10GEXP_REG_MDIO_COMMAND 0x0006 +#define SUNI1x10GEXP_REG_MDIO_INTERRUPT_ENABLE 0x0007 +#define SUNI1x10GEXP_REG_MDIO_INTERRUPT_STATUS 0x0008 +#define SUNI1x10GEXP_REG_MMD_PHY_ADDRESS 0x0009 +#define SUNI1x10GEXP_REG_MMD_CONTROL_ADDRESS_DATA 0x000A +#define SUNI1x10GEXP_REG_MDIO_READ_STATUS_DATA 0x000B + +#define SUNI1x10GEXP_REG_OAM_INTF_CTRL 0x000C #define SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS 0x000D #define SUNI1x10GEXP_REG_GLOBAL_INTERRUPT_ENABLE 0x000E +#define SUNI1x10GEXP_REG_FREE 0x000F + +#define SUNI1x10GEXP_REG_XTEF_MISC_CTRL 0x0010 +#define SUNI1x10GEXP_REG_XRF_MISC_CTRL 0x0011 + +#define SUNI1x10GEXP_REG_SERDES_3125_CONFIG_1 0x0100 +#define SUNI1x10GEXP_REG_SERDES_3125_CONFIG_2 0x0101 #define SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_ENABLE 0x0102 +#define SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_VISIBLE 0x0103 #define SUNI1x10GEXP_REG_SERDES_3125_INTERRUPT_STATUS 0x0104 +#define SUNI1x10GEXP_REG_SERDES_3125_TEST_CONFIG 0x0107 + #define SUNI1x10GEXP_REG_RXXG_CONFIG_1 0x2040 +#define SUNI1x10GEXP_REG_RXXG_CONFIG_2 0x2041 #define SUNI1x10GEXP_REG_RXXG_CONFIG_3 0x2042 #define SUNI1x10GEXP_REG_RXXG_INTERRUPT 0x2043 #define SUNI1x10GEXP_REG_RXXG_MAX_FRAME_LENGTH 0x2045 #define SUNI1x10GEXP_REG_RXXG_SA_15_0 0x2046 #define SUNI1x10GEXP_REG_RXXG_SA_31_16 0x2047 #define SUNI1x10GEXP_REG_RXXG_SA_47_32 0x2048 +#define SUNI1x10GEXP_REG_RXXG_RECEIVE_FIFO_THRESHOLD 0x2049 +#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_LOW(filterId) (0x204A + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) +#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_MID(filterId) (0x204B + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) +#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_HIGH(filterId)(0x204C + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) +#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID(filterId) (0x2062 + mSUNI1x10GEXP_MAC_VID_FILTER_OFFSET(filterId) +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_LOW 0x204A +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_MID 0x204B +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_HIGH 0x204C #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_LOW 0x204D #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_MID 0x204E #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_1_HIGH 0x204F +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_2_LOW 0x2050 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_2_MID 0x2051 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_2_HIGH 0x2052 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_3_LOW 0x2053 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_3_MID 0x2054 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_3_HIGH 0x2055 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_4_LOW 0x2056 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_4_MID 0x2057 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_4_HIGH 0x2058 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_5_LOW 0x2059 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_5_MID 0x205A +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_5_HIGH 0x205B +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_6_LOW 0x205C +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_6_MID 0x205D +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_6_HIGH 0x205E +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_7_LOW 0x205F +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_7_MID 0x2060 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_7_HIGH 0x2061 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_0 0x2062 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_1 0x2063 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_2 0x2064 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_3 0x2065 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_4 0x2066 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_5 0x2067 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_6 0x2068 +#define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID_7 0x2069 #define SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_LOW 0x206A #define SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDLOW 0x206B #define SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_MIDHIGH 0x206C #define SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_HIGH 0x206D #define SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_0 0x206E +#define SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_1 0x206F #define SUNI1x10GEXP_REG_RXXG_ADDRESS_FILTER_CONTROL_2 0x2070 + +#define SUNI1x10GEXP_REG_XRF_PATTERN_GEN_CTRL 0x2081 +#define SUNI1x10GEXP_REG_XRF_8BTB_ERR_COUNT_LANE_0 0x2084 +#define SUNI1x10GEXP_REG_XRF_8BTB_ERR_COUNT_LANE_1 0x2085 +#define SUNI1x10GEXP_REG_XRF_8BTB_ERR_COUNT_LANE_2 0x2086 +#define SUNI1x10GEXP_REG_XRF_8BTB_ERR_COUNT_LANE_3 0x2087 #define SUNI1x10GEXP_REG_XRF_INTERRUPT_ENABLE 0x2088 #define SUNI1x10GEXP_REG_XRF_INTERRUPT_STATUS 0x2089 +#define SUNI1x10GEXP_REG_XRF_ERR_STATUS 0x208A #define SUNI1x10GEXP_REG_XRF_DIAG_INTERRUPT_ENABLE 0x208B #define SUNI1x10GEXP_REG_XRF_DIAG_INTERRUPT_STATUS 0x208C +#define SUNI1x10GEXP_REG_XRF_CODE_ERR_THRES 0x2092 + +#define SUNI1x10GEXP_REG_RXOAM_CONFIG 0x20C0 +#define SUNI1x10GEXP_REG_RXOAM_FILTER_1_CONFIG 0x20C1 +#define SUNI1x10GEXP_REG_RXOAM_FILTER_2_CONFIG 0x20C2 +#define SUNI1x10GEXP_REG_RXOAM_CONFIG_2 0x20C3 +#define SUNI1x10GEXP_REG_RXOAM_HEC_CONFIG 0x20C4 +#define SUNI1x10GEXP_REG_RXOAM_HEC_ERR_THRES 0x20C5 #define SUNI1x10GEXP_REG_RXOAM_INTERRUPT_ENABLE 0x20C7 #define SUNI1x10GEXP_REG_RXOAM_INTERRUPT_STATUS 0x20C8 +#define SUNI1x10GEXP_REG_RXOAM_STATUS 0x20C9 +#define SUNI1x10GEXP_REG_RXOAM_HEC_ERR_COUNT 0x20CA +#define SUNI1x10GEXP_REG_RXOAM_FIFO_OVERFLOW_COUNT 0x20CB +#define SUNI1x10GEXP_REG_RXOAM_FILTER_MISMATCH_COUNT_LSB 0x20CC +#define SUNI1x10GEXP_REG_RXOAM_FILTER_MISMATCH_COUNT_MSB 0x20CD +#define SUNI1x10GEXP_REG_RXOAM_FILTER_1_MISMATCH_COUNT_LSB 0x20CE +#define SUNI1x10GEXP_REG_RXOAM_FILTER_1_MISMATCH_COUNT_MSB 0x20CF +#define SUNI1x10GEXP_REG_RXOAM_FILTER_2_MISMATCH_COUNT_LSB 0x20D0 +#define SUNI1x10GEXP_REG_RXOAM_FILTER_2_MISMATCH_COUNT_MSB 0x20D1 +#define SUNI1x10GEXP_REG_RXOAM_OAM_EXTRACT_COUNT_LSB 0x20D2 +#define SUNI1x10GEXP_REG_RXOAM_OAM_EXTRACT_COUNT_MSB 0x20D3 +#define SUNI1x10GEXP_REG_RXOAM_MINI_PACKET_COUNT_LSB 0x20D4 +#define SUNI1x10GEXP_REG_RXOAM_MINI_PACKET_COUNT_MSB 0x20D5 +#define SUNI1x10GEXP_REG_RXOAM_FILTER_MISMATCH_THRES_LSB 0x20D6 +#define SUNI1x10GEXP_REG_RXOAM_FILTER_MISMATCH_THRES_MSB 0x20D7 + #define SUNI1x10GEXP_REG_MSTAT_CONTROL 0x2100 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_0 0x2101 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_ROLLOVER_1 0x2102 @@ -75,50 +191,321 @@ #define SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_1 0x2106 #define SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_2 0x2107 #define SUNI1x10GEXP_REG_MSTAT_INTERRUPT_MASK_3 0x2108 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_WRITE_ADDRESS 0x2109 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_WRITE_DATA_LOW 0x210A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_WRITE_DATA_MIDDLE 0x210B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_WRITE_DATA_HIGH 0x210C +#define mSUNI1x10GEXP_REG_MSTAT_COUNTER_LOW(countId) (0x2110 + mSUNI1x10GEXP_MSTAT_COUNT_OFFSET(countId)) +#define mSUNI1x10GEXP_REG_MSTAT_COUNTER_MID(countId) (0x2111 + mSUNI1x10GEXP_MSTAT_COUNT_OFFSET(countId)) +#define mSUNI1x10GEXP_REG_MSTAT_COUNTER_HIGH(countId) (0x2112 + mSUNI1x10GEXP_MSTAT_COUNT_OFFSET(countId)) #define SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW 0x2110 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_0_MID 0x2111 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_0_HIGH 0x2112 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_0_RESVD 0x2113 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_1_LOW 0x2114 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_1_MID 0x2115 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_1_HIGH 0x2116 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_1_RESVD 0x2117 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_2_LOW 0x2118 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_2_MID 0x2119 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_2_HIGH 0x211A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_2_RESVD 0x211B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_3_LOW 0x211C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_3_MID 0x211D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_3_HIGH 0x211E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_3_RESVD 0x211F #define SUNI1x10GEXP_REG_MSTAT_COUNTER_4_LOW 0x2120 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_4_MID 0x2121 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_4_HIGH 0x2122 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_4_RESVD 0x2123 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_5_LOW 0x2124 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_5_MID 0x2125 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_5_HIGH 0x2126 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_5_RESVD 0x2127 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_6_LOW 0x2128 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_6_MID 0x2129 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_6_HIGH 0x212A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_6_RESVD 0x212B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_7_LOW 0x212C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_7_MID 0x212D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_7_HIGH 0x212E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_7_RESVD 0x212F #define SUNI1x10GEXP_REG_MSTAT_COUNTER_8_LOW 0x2130 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_8_MID 0x2131 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_8_HIGH 0x2132 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_8_RESVD 0x2133 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_9_LOW 0x2134 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_9_MID 0x2135 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_9_HIGH 0x2136 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_9_RESVD 0x2137 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_10_LOW 0x2138 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_10_MID 0x2139 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_10_HIGH 0x213A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_10_RESVD 0x213B #define SUNI1x10GEXP_REG_MSTAT_COUNTER_11_LOW 0x213C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_11_MID 0x213D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_11_HIGH 0x213E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_11_RESVD 0x213F #define SUNI1x10GEXP_REG_MSTAT_COUNTER_12_LOW 0x2140 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_12_MID 0x2141 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_12_HIGH 0x2142 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_12_RESVD 0x2143 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_13_LOW 0x2144 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_13_MID 0x2145 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_13_HIGH 0x2146 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_13_RESVD 0x2147 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_14_LOW 0x2148 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_14_MID 0x2149 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_14_HIGH 0x214A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_14_RESVD 0x214B #define SUNI1x10GEXP_REG_MSTAT_COUNTER_15_LOW 0x214C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_15_MID 0x214D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_15_HIGH 0x214E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_15_RESVD 0x214F #define SUNI1x10GEXP_REG_MSTAT_COUNTER_16_LOW 0x2150 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_16_MID 0x2151 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_16_HIGH 0x2152 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_16_RESVD 0x2153 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_17_LOW 0x2154 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_17_MID 0x2155 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_17_HIGH 0x2156 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_17_RESVD 0x2157 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_18_LOW 0x2158 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_18_MID 0x2159 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_18_HIGH 0x215A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_18_RESVD 0x215B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_19_LOW 0x215C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_19_MID 0x215D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_19_HIGH 0x215E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_19_RESVD 0x215F +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_20_LOW 0x2160 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_20_MID 0x2161 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_20_HIGH 0x2162 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_20_RESVD 0x2163 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_21_LOW 0x2164 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_21_MID 0x2165 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_21_HIGH 0x2166 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_21_RESVD 0x2167 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_22_LOW 0x2168 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_22_MID 0x2169 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_22_HIGH 0x216A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_22_RESVD 0x216B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_23_LOW 0x216C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_23_MID 0x216D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_23_HIGH 0x216E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_23_RESVD 0x216F +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_24_LOW 0x2170 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_24_MID 0x2171 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_24_HIGH 0x2172 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_24_RESVD 0x2173 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_25_LOW 0x2174 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_25_MID 0x2175 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_25_HIGH 0x2176 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_25_RESVD 0x2177 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_26_LOW 0x2178 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_26_MID 0x2179 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_26_HIGH 0x217a +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_26_RESVD 0x217b +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_27_LOW 0x217c +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_27_MID 0x217d +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_27_HIGH 0x217e +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_27_RESVD 0x217f +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_28_LOW 0x2180 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_28_MID 0x2181 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_28_HIGH 0x2182 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_28_RESVD 0x2183 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_29_LOW 0x2184 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_29_MID 0x2185 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_29_HIGH 0x2186 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_29_RESVD 0x2187 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_30_LOW 0x2188 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_30_MID 0x2189 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_30_HIGH 0x218A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_30_RESVD 0x218B +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_31_LOW 0x218C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_31_MID 0x218D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_31_HIGH 0x218E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_31_RESVD 0x218F +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_32_LOW 0x2190 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_32_MID 0x2191 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_32_HIGH 0x2192 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_32_RESVD 0x2193 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_33_LOW 0x2194 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_33_MID 0x2195 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_33_HIGH 0x2196 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_33_RESVD 0x2197 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_34_LOW 0x2198 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_34_MID 0x2199 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_34_HIGH 0x219A +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_34_RESVD 0x219B #define SUNI1x10GEXP_REG_MSTAT_COUNTER_35_LOW 0x219C +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_35_MID 0x219D +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_35_HIGH 0x219E +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_35_RESVD 0x219F #define SUNI1x10GEXP_REG_MSTAT_COUNTER_36_LOW 0x21A0 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_36_MID 0x21A1 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_36_HIGH 0x21A2 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_36_RESVD 0x21A3 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_37_LOW 0x21A4 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_37_MID 0x21A5 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_37_HIGH 0x21A6 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_37_RESVD 0x21A7 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_38_LOW 0x21A8 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_38_MID 0x21A9 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_38_HIGH 0x21AA +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_38_RESVD 0x21AB +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_39_LOW 0x21AC +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_39_MID 0x21AD +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_39_HIGH 0x21AE +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_39_RESVD 0x21AF #define SUNI1x10GEXP_REG_MSTAT_COUNTER_40_LOW 0x21B0 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_40_MID 0x21B1 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_40_HIGH 0x21B2 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_40_RESVD 0x21B3 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_41_LOW 0x21B4 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_41_MID 0x21B5 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_41_HIGH 0x21B6 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_41_RESVD 0x21B7 #define SUNI1x10GEXP_REG_MSTAT_COUNTER_42_LOW 0x21B8 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_42_MID 0x21B9 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_42_HIGH 0x21BA +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_42_RESVD 0x21BB #define SUNI1x10GEXP_REG_MSTAT_COUNTER_43_LOW 0x21BC +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_43_MID 0x21BD +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_43_HIGH 0x21BE +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_43_RESVD 0x21BF +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_44_LOW 0x21C0 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_44_MID 0x21C1 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_44_HIGH 0x21C2 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_44_RESVD 0x21C3 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_45_LOW 0x21C4 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_45_MID 0x21C5 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_45_HIGH 0x21C6 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_45_RESVD 0x21C7 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_46_LOW 0x21C8 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_46_MID 0x21C9 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_46_HIGH 0x21CA +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_46_RESVD 0x21CB +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_47_LOW 0x21CC +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_47_MID 0x21CD +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_47_HIGH 0x21CE +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_47_RESVD 0x21CF +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_48_LOW 0x21D0 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_48_MID 0x21D1 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_48_HIGH 0x21D2 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_48_RESVD 0x21D3 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_49_LOW 0x21D4 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_49_MID 0x21D5 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_49_HIGH 0x21D6 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_49_RESVD 0x21D7 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_50_LOW 0x21D8 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_50_MID 0x21D9 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_50_HIGH 0x21DA +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_50_RESVD 0x21DB +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_51_LOW 0x21DC +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_51_MID 0x21DD +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_51_HIGH 0x21DE +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_51_RESVD 0x21DF +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_52_LOW 0x21E0 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_52_MID 0x21E1 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_52_HIGH 0x21E2 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_52_RESVD 0x21E3 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_53_LOW 0x21E4 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_53_MID 0x21E5 +#define SUNI1x10GEXP_REG_MSTAT_COUNTER_53_HIGH 0x21E6 +#define SUNI1x10GEXP_CNTR_MAC_ETHERNET_NUM 51 + +#define SUNI1x10GEXP_REG_IFLX_GLOBAL_CONFIG 0x2200 +#define SUNI1x10GEXP_REG_IFLX_CHANNEL_PROVISION 0x2201 #define SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE 0x2209 #define SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_INTERRUPT 0x220A +#define SUNI1x10GEXP_REG_IFLX_INDIR_CHANNEL_ADDRESS 0x220D +#define SUNI1x10GEXP_REG_IFLX_INDIR_LOGICAL_FIFO_LOW_LIMIT_PROVISION 0x220E +#define SUNI1x10GEXP_REG_IFLX_INDIR_LOGICAL_FIFO_HIGH_LIMIT 0x220F +#define SUNI1x10GEXP_REG_IFLX_INDIR_FULL_ALMOST_FULL_STATUS_LIMIT 0x2210 +#define SUNI1x10GEXP_REG_IFLX_INDIR_EMPTY_ALMOST_EMPTY_STATUS_LIMIT 0x2211 + +#define SUNI1x10GEXP_REG_PL4MOS_CONFIG 0x2240 +#define SUNI1x10GEXP_REG_PL4MOS_MASK 0x2241 +#define SUNI1x10GEXP_REG_PL4MOS_FAIRNESS_MASKING 0x2242 +#define SUNI1x10GEXP_REG_PL4MOS_MAXBURST1 0x2243 +#define SUNI1x10GEXP_REG_PL4MOS_MAXBURST2 0x2244 +#define SUNI1x10GEXP_REG_PL4MOS_TRANSFER_SIZE 0x2245 + +#define SUNI1x10GEXP_REG_PL4ODP_CONFIG 0x2280 #define SUNI1x10GEXP_REG_PL4ODP_INTERRUPT_MASK 0x2282 #define SUNI1x10GEXP_REG_PL4ODP_INTERRUPT 0x2283 +#define SUNI1x10GEXP_REG_PL4ODP_CONFIG_MAX_T 0x2284 + #define SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_STATUS 0x2300 #define SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_CHANGE 0x2301 #define SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_MASK 0x2302 +#define SUNI1x10GEXP_REG_PL4IO_LOCK_DETECT_LIMITS 0x2303 +#define SUNI1x10GEXP_REG_PL4IO_CALENDAR_REPETITIONS 0x2304 +#define SUNI1x10GEXP_REG_PL4IO_CONFIG 0x2305 + #define SUNI1x10GEXP_REG_TXXG_CONFIG_1 0x3040 +#define SUNI1x10GEXP_REG_TXXG_CONFIG_2 0x3041 #define SUNI1x10GEXP_REG_TXXG_CONFIG_3 0x3042 #define SUNI1x10GEXP_REG_TXXG_INTERRUPT 0x3043 +#define SUNI1x10GEXP_REG_TXXG_STATUS 0x3044 #define SUNI1x10GEXP_REG_TXXG_MAX_FRAME_SIZE 0x3045 +#define SUNI1x10GEXP_REG_TXXG_MIN_FRAME_SIZE 0x3046 #define SUNI1x10GEXP_REG_TXXG_SA_15_0 0x3047 #define SUNI1x10GEXP_REG_TXXG_SA_31_16 0x3048 #define SUNI1x10GEXP_REG_TXXG_SA_47_32 0x3049 +#define SUNI1x10GEXP_REG_TXXG_PAUSE_TIMER 0x304D +#define SUNI1x10GEXP_REG_TXXG_PAUSE_TIMER_INTERVAL 0x304E +#define SUNI1x10GEXP_REG_TXXG_FILTER_ERROR_COUNTER 0x3051 +#define SUNI1x10GEXP_REG_TXXG_PAUSE_QUANTUM_CONFIG 0x3052 + +#define SUNI1x10GEXP_REG_XTEF_CTRL 0x3080 #define SUNI1x10GEXP_REG_XTEF_INTERRUPT_STATUS 0x3084 #define SUNI1x10GEXP_REG_XTEF_INTERRUPT_ENABLE 0x3085 +#define SUNI1x10GEXP_REG_XTEF_VISIBILITY 0x3086 + +#define SUNI1x10GEXP_REG_TXOAM_OAM_CONFIG 0x30C0 +#define SUNI1x10GEXP_REG_TXOAM_MINI_RATE_CONFIG 0x30C1 +#define SUNI1x10GEXP_REG_TXOAM_MINI_GAP_FIFO_CONFIG 0x30C2 +#define SUNI1x10GEXP_REG_TXOAM_P1P2_STATIC_VALUES 0x30C3 +#define SUNI1x10GEXP_REG_TXOAM_P3P4_STATIC_VALUES 0x30C4 +#define SUNI1x10GEXP_REG_TXOAM_P5P6_STATIC_VALUES 0x30C5 #define SUNI1x10GEXP_REG_TXOAM_INTERRUPT_ENABLE 0x30C6 #define SUNI1x10GEXP_REG_TXOAM_INTERRUPT_STATUS 0x30C7 +#define SUNI1x10GEXP_REG_TXOAM_INSERT_COUNT_LSB 0x30C8 +#define SUNI1x10GEXP_REG_TXOAM_INSERT_COUNT_MSB 0x30C9 +#define SUNI1x10GEXP_REG_TXOAM_OAM_MINI_COUNT_LSB 0x30CA +#define SUNI1x10GEXP_REG_TXOAM_OAM_MINI_COUNT_MSB 0x30CB +#define SUNI1x10GEXP_REG_TXOAM_P1P2_MINI_MASK 0x30CC +#define SUNI1x10GEXP_REG_TXOAM_P3P4_MINI_MASK 0x30CD +#define SUNI1x10GEXP_REG_TXOAM_P5P6_MINI_MASK 0x30CE +#define SUNI1x10GEXP_REG_TXOAM_COSET 0x30CF +#define SUNI1x10GEXP_REG_TXOAM_EMPTY_FIFO_INS_OP_CNT_LSB 0x30D0 +#define SUNI1x10GEXP_REG_TXOAM_EMPTY_FIFO_INS_OP_CNT_MSB 0x30D1 +#define SUNI1x10GEXP_REG_TXOAM_STATIC_VALUE_MINI_COUNT_LSB 0x30D2 +#define SUNI1x10GEXP_REG_TXOAM_STATIC_VALUE_MINI_COUNT_MSB 0x30D3 + + +#define SUNI1x10GEXP_REG_EFLX_GLOBAL_CONFIG 0x3200 +#define SUNI1x10GEXP_REG_EFLX_ERCU_GLOBAL_STATUS 0x3201 +#define SUNI1x10GEXP_REG_EFLX_INDIR_CHANNEL_ADDRESS 0x3202 +#define SUNI1x10GEXP_REG_EFLX_INDIR_FIFO_LOW_LIMIT 0x3203 +#define SUNI1x10GEXP_REG_EFLX_INDIR_FIFO_HIGH_LIMIT 0x3204 +#define SUNI1x10GEXP_REG_EFLX_INDIR_FULL_ALMOST_FULL_STATUS_AND_LIMIT 0x3205 +#define SUNI1x10GEXP_REG_EFLX_INDIR_EMPTY_ALMOST_EMPTY_STATUS_AND_LIMIT 0x3206 +#define SUNI1x10GEXP_REG_EFLX_INDIR_FIFO_CUT_THROUGH_THRESHOLD 0x3207 #define SUNI1x10GEXP_REG_EFLX_FIFO_OVERFLOW_ERROR_ENABLE 0x320C #define SUNI1x10GEXP_REG_EFLX_FIFO_OVERFLOW_ERROR_INDICATION 0x320D +#define SUNI1x10GEXP_REG_EFLX_CHANNEL_PROVISION 0x3210 + +#define SUNI1x10GEXP_REG_PL4IDU_CONFIG 0x3280 #define SUNI1x10GEXP_REG_PL4IDU_INTERRUPT_MASK 0x3282 #define SUNI1x10GEXP_REG_PL4IDU_INTERRUPT 0x3283 + +/*----------------------------------------*/ +#define SUNI1x10GEXP_REG_MAX_OFFSET 0x3480 + /******************************************************************************/ /* -- End register offset definitions -- */ /******************************************************************************/ @@ -127,6 +514,81 @@ /** SUNI-1x10GE-XP REGISTER BIT MASKS **/ /******************************************************************************/ +#define SUNI1x10GEXP_BITMSK_BITS_1 0x00001 +#define SUNI1x10GEXP_BITMSK_BITS_2 0x00003 +#define SUNI1x10GEXP_BITMSK_BITS_3 0x00007 +#define SUNI1x10GEXP_BITMSK_BITS_4 0x0000f +#define SUNI1x10GEXP_BITMSK_BITS_5 0x0001f +#define SUNI1x10GEXP_BITMSK_BITS_6 0x0003f +#define SUNI1x10GEXP_BITMSK_BITS_7 0x0007f +#define SUNI1x10GEXP_BITMSK_BITS_8 0x000ff +#define SUNI1x10GEXP_BITMSK_BITS_9 0x001ff +#define SUNI1x10GEXP_BITMSK_BITS_10 0x003ff +#define SUNI1x10GEXP_BITMSK_BITS_11 0x007ff +#define SUNI1x10GEXP_BITMSK_BITS_12 0x00fff +#define SUNI1x10GEXP_BITMSK_BITS_13 0x01fff +#define SUNI1x10GEXP_BITMSK_BITS_14 0x03fff +#define SUNI1x10GEXP_BITMSK_BITS_15 0x07fff +#define SUNI1x10GEXP_BITMSK_BITS_16 0x0ffff + +#define mSUNI1x10GEXP_CLR_MSBITS_1(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_15) +#define mSUNI1x10GEXP_CLR_MSBITS_2(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_14) +#define mSUNI1x10GEXP_CLR_MSBITS_3(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_13) +#define mSUNI1x10GEXP_CLR_MSBITS_4(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_12) +#define mSUNI1x10GEXP_CLR_MSBITS_5(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_11) +#define mSUNI1x10GEXP_CLR_MSBITS_6(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_10) +#define mSUNI1x10GEXP_CLR_MSBITS_7(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_9) +#define mSUNI1x10GEXP_CLR_MSBITS_8(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_8) +#define mSUNI1x10GEXP_CLR_MSBITS_9(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_7) +#define mSUNI1x10GEXP_CLR_MSBITS_10(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_6) +#define mSUNI1x10GEXP_CLR_MSBITS_11(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_5) +#define mSUNI1x10GEXP_CLR_MSBITS_12(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_4) +#define mSUNI1x10GEXP_CLR_MSBITS_13(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_3) +#define mSUNI1x10GEXP_CLR_MSBITS_14(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_2) +#define mSUNI1x10GEXP_CLR_MSBITS_15(v) ((v) & SUNI1x10GEXP_BITMSK_BITS_1) + +#define mSUNI1x10GEXP_GET_BIT(val, bitMsk) (((val)&(bitMsk)) ? 1:0) + + + +/*---------------------------------------------------------------------------- + * Register 0x0001: S/UNI-1x10GE-XP Product Revision + * Bit 3-0 REVISION + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_REVISION 0x000F + +/*---------------------------------------------------------------------------- + * Register 0x0002: S/UNI-1x10GE-XP Configuration and Reset Control + * Bit 2 XAUI_ARESETB + * Bit 1 PL4_ARESETB + * Bit 0 DRESETB + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_XAUI_ARESET 0x0004 +#define SUNI1x10GEXP_BITMSK_PL4_ARESET 0x0002 +#define SUNI1x10GEXP_BITMSK_DRESETB 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0003: S/UNI-1x10GE-XP Loop Back and Miscellaneous Control + * Bit 11 PL4IO_OUTCLKSEL + * Bit 9 SYSPCSLB + * Bit 8 LINEPCSLB + * Bit 7 MSTAT_BYPASS + * Bit 6 RXXG_BYPASS + * Bit 5 TXXG_BYPASS + * Bit 4 SOP_PAD_EN + * Bit 1 LOS_INV + * Bit 0 OVERRIDE_LOS + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_OUTCLKSEL 0x0800 +#define SUNI1x10GEXP_BITMSK_SYSPCSLB 0x0200 +#define SUNI1x10GEXP_BITMSK_LINEPCSLB 0x0100 +#define SUNI1x10GEXP_BITMSK_MSTAT_BYPASS 0x0080 +#define SUNI1x10GEXP_BITMSK_RXXG_BYPASS 0x0040 +#define SUNI1x10GEXP_BITMSK_TXXG_BYPASS 0x0020 +#define SUNI1x10GEXP_BITMSK_SOP_PAD_EN 0x0010 +#define SUNI1x10GEXP_BITMSK_LOS_INV 0x0002 +#define SUNI1x10GEXP_BITMSK_OVERRIDE_LOS 0x0001 + /*---------------------------------------------------------------------------- * Register 0x0004: S/UNI-1x10GE-XP Device Status * Bit 9 TOP_SXRA_EXPIRED @@ -141,19 +603,229 @@ * Bit 0 TOP_PL4_OUT_ROOL *----------------------------------------------------------------------------*/ #define SUNI1x10GEXP_BITMSK_TOP_SXRA_EXPIRED 0x0200 +#define SUNI1x10GEXP_BITMSK_TOP_MDIO_BUSY 0x0100 +#define SUNI1x10GEXP_BITMSK_TOP_DTRB 0x0080 #define SUNI1x10GEXP_BITMSK_TOP_EXPIRED 0x0040 +#define SUNI1x10GEXP_BITMSK_TOP_PAUSED 0x0020 #define SUNI1x10GEXP_BITMSK_TOP_PL4_ID_DOOL 0x0010 #define SUNI1x10GEXP_BITMSK_TOP_PL4_IS_DOOL 0x0008 #define SUNI1x10GEXP_BITMSK_TOP_PL4_ID_ROOL 0x0004 #define SUNI1x10GEXP_BITMSK_TOP_PL4_IS_ROOL 0x0002 #define SUNI1x10GEXP_BITMSK_TOP_PL4_OUT_ROOL 0x0001 +/*---------------------------------------------------------------------------- + * Register 0x0005: Global Performance Update and Clock Monitors + * Bit 15 TIP + * Bit 8 XAUI_REF_CLKA + * Bit 7 RXLANE3CLKA + * Bit 6 RXLANE2CLKA + * Bit 5 RXLANE1CLKA + * Bit 4 RXLANE0CLKA + * Bit 3 CSUCLKA + * Bit 2 TDCLKA + * Bit 1 RSCLKA + * Bit 0 RDCLKA + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TIP 0x8000 +#define SUNI1x10GEXP_BITMSK_XAUI_REF_CLKA 0x0100 +#define SUNI1x10GEXP_BITMSK_RXLANE3CLKA 0x0080 +#define SUNI1x10GEXP_BITMSK_RXLANE2CLKA 0x0040 +#define SUNI1x10GEXP_BITMSK_RXLANE1CLKA 0x0020 +#define SUNI1x10GEXP_BITMSK_RXLANE0CLKA 0x0010 +#define SUNI1x10GEXP_BITMSK_CSUCLKA 0x0008 +#define SUNI1x10GEXP_BITMSK_TDCLKA 0x0004 +#define SUNI1x10GEXP_BITMSK_RSCLKA 0x0002 +#define SUNI1x10GEXP_BITMSK_RDCLKA 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0006: MDIO Command + * Bit 4 MDIO_RDINC + * Bit 3 MDIO_RSTAT + * Bit 2 MDIO_LCTLD + * Bit 1 MDIO_LCTLA + * Bit 0 MDIO_SPRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MDIO_RDINC 0x0010 +#define SUNI1x10GEXP_BITMSK_MDIO_RSTAT 0x0008 +#define SUNI1x10GEXP_BITMSK_MDIO_LCTLD 0x0004 +#define SUNI1x10GEXP_BITMSK_MDIO_LCTLA 0x0002 +#define SUNI1x10GEXP_BITMSK_MDIO_SPRE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0007: MDIO Interrupt Enable + * Bit 0 MDIO_BUSY_EN + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MDIO_BUSY_EN 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0008: MDIO Interrupt Status + * Bit 0 MDIO_BUSYI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MDIO_BUSYI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0009: MMD PHY Address + * Bit 12-8 MDIO_DEVADR + * Bit 4-0 MDIO_PRTADR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MDIO_DEVADR 0x1F00 +#define SUNI1x10GEXP_BITOFF_MDIO_DEVADR 8 +#define SUNI1x10GEXP_BITMSK_MDIO_PRTADR 0x001F +#define SUNI1x10GEXP_BITOFF_MDIO_PRTADR 0 + +/*---------------------------------------------------------------------------- + * Register 0x000C: OAM Interface Control + * Bit 6 MDO_OD_ENB + * Bit 5 MDI_INV + * Bit 4 MDI_SEL + * Bit 3 RXOAMEN + * Bit 2 RXOAMCLKEN + * Bit 1 TXOAMEN + * Bit 0 TXOAMCLKEN + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MDO_OD_ENB 0x0040 +#define SUNI1x10GEXP_BITMSK_MDI_INV 0x0020 +#define SUNI1x10GEXP_BITMSK_MDI_SEL 0x0010 +#define SUNI1x10GEXP_BITMSK_RXOAMEN 0x0008 +#define SUNI1x10GEXP_BITMSK_RXOAMCLKEN 0x0004 +#define SUNI1x10GEXP_BITMSK_TXOAMEN 0x0002 +#define SUNI1x10GEXP_BITMSK_TXOAMCLKEN 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x000D: S/UNI-1x10GE-XP Master Interrupt Status + * Bit 15 TOP_PL4IO_INT + * Bit 14 TOP_IRAM_INT + * Bit 13 TOP_ERAM_INT + * Bit 12 TOP_XAUI_INT + * Bit 11 TOP_MSTAT_INT + * Bit 10 TOP_RXXG_INT + * Bit 9 TOP_TXXG_INT + * Bit 8 TOP_XRF_INT + * Bit 7 TOP_XTEF_INT + * Bit 6 TOP_MDIO_BUSY_INT + * Bit 5 TOP_RXOAM_INT + * Bit 4 TOP_TXOAM_INT + * Bit 3 TOP_IFLX_INT + * Bit 2 TOP_EFLX_INT + * Bit 1 TOP_PL4ODP_INT + * Bit 0 TOP_PL4IDU_INT + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TOP_PL4IO_INT 0x8000 +#define SUNI1x10GEXP_BITMSK_TOP_IRAM_INT 0x4000 +#define SUNI1x10GEXP_BITMSK_TOP_ERAM_INT 0x2000 +#define SUNI1x10GEXP_BITMSK_TOP_XAUI_INT 0x1000 +#define SUNI1x10GEXP_BITMSK_TOP_MSTAT_INT 0x0800 +#define SUNI1x10GEXP_BITMSK_TOP_RXXG_INT 0x0400 +#define SUNI1x10GEXP_BITMSK_TOP_TXXG_INT 0x0200 +#define SUNI1x10GEXP_BITMSK_TOP_XRF_INT 0x0100 +#define SUNI1x10GEXP_BITMSK_TOP_XTEF_INT 0x0080 +#define SUNI1x10GEXP_BITMSK_TOP_MDIO_BUSY_INT 0x0040 +#define SUNI1x10GEXP_BITMSK_TOP_RXOAM_INT 0x0020 +#define SUNI1x10GEXP_BITMSK_TOP_TXOAM_INT 0x0010 +#define SUNI1x10GEXP_BITMSK_TOP_IFLX_INT 0x0008 +#define SUNI1x10GEXP_BITMSK_TOP_EFLX_INT 0x0004 +#define SUNI1x10GEXP_BITMSK_TOP_PL4ODP_INT 0x0002 +#define SUNI1x10GEXP_BITMSK_TOP_PL4IDU_INT 0x0001 + /*---------------------------------------------------------------------------- * Register 0x000E:PM3393 Global interrupt enable * Bit 15 TOP_INTE *----------------------------------------------------------------------------*/ #define SUNI1x10GEXP_BITMSK_TOP_INTE 0x8000 +/*---------------------------------------------------------------------------- + * Register 0x0010: XTEF Miscellaneous Control + * Bit 7 RF_VAL + * Bit 6 RF_OVERRIDE + * Bit 5 LF_VAL + * Bit 4 LF_OVERRIDE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RF_VAL 0x0080 +#define SUNI1x10GEXP_BITMSK_RF_OVERRIDE 0x0040 +#define SUNI1x10GEXP_BITMSK_LF_VAL 0x0020 +#define SUNI1x10GEXP_BITMSK_LF_OVERRIDE 0x0010 +#define SUNI1x10GEXP_BITMSK_LFRF_OVERRIDE_VAL 0x00F0 + +/*---------------------------------------------------------------------------- + * Register 0x0011: XRF Miscellaneous Control + * Bit 6-4 EN_IDLE_REP + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EN_IDLE_REP 0x0070 + +/*---------------------------------------------------------------------------- + * Register 0x0100: SERDES 3125 Configuration Register 1 + * Bit 10 RXEQB_3 + * Bit 8 RXEQB_2 + * Bit 6 RXEQB_1 + * Bit 4 RXEQB_0 + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXEQB 0x0FF0 +#define SUNI1x10GEXP_BITOFF_RXEQB_3 10 +#define SUNI1x10GEXP_BITOFF_RXEQB_2 8 +#define SUNI1x10GEXP_BITOFF_RXEQB_1 6 +#define SUNI1x10GEXP_BITOFF_RXEQB_0 4 + +/*---------------------------------------------------------------------------- + * Register 0x0101: SERDES 3125 Configuration Register 2 + * Bit 12 YSEL + * Bit 7 PRE_EMPH_3 + * Bit 6 PRE_EMPH_2 + * Bit 5 PRE_EMPH_1 + * Bit 4 PRE_EMPH_0 + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_YSEL 0x1000 +#define SUNI1x10GEXP_BITMSK_PRE_EMPH 0x00F0 +#define SUNI1x10GEXP_BITMSK_PRE_EMPH_3 0x0080 +#define SUNI1x10GEXP_BITMSK_PRE_EMPH_2 0x0040 +#define SUNI1x10GEXP_BITMSK_PRE_EMPH_1 0x0020 +#define SUNI1x10GEXP_BITMSK_PRE_EMPH_0 0x0010 + +/*---------------------------------------------------------------------------- + * Register 0x0102: SERDES 3125 Interrupt Enable Register + * Bit 3 LASIE + * Bit 2 SPLL_RAE + * Bit 1 MPLL_RAE + * Bit 0 PLL_LOCKE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LASIE 0x0008 +#define SUNI1x10GEXP_BITMSK_SPLL_RAE 0x0004 +#define SUNI1x10GEXP_BITMSK_MPLL_RAE 0x0002 +#define SUNI1x10GEXP_BITMSK_PLL_LOCKE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0103: SERDES 3125 Interrupt Visibility Register + * Bit 3 LASIV + * Bit 2 SPLL_RAV + * Bit 1 MPLL_RAV + * Bit 0 PLL_LOCKV + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LASIV 0x0008 +#define SUNI1x10GEXP_BITMSK_SPLL_RAV 0x0004 +#define SUNI1x10GEXP_BITMSK_MPLL_RAV 0x0002 +#define SUNI1x10GEXP_BITMSK_PLL_LOCKV 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0104: SERDES 3125 Interrupt Status Register + * Bit 3 LASII + * Bit 2 SPLL_RAI + * Bit 1 MPLL_RAI + * Bit 0 PLL_LOCKI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LASII 0x0008 +#define SUNI1x10GEXP_BITMSK_SPLL_RAI 0x0004 +#define SUNI1x10GEXP_BITMSK_MPLL_RAI 0x0002 +#define SUNI1x10GEXP_BITMSK_PLL_LOCKI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x0107: SERDES 3125 Test Configuration + * Bit 12 DUALTX + * Bit 10 HC_1 + * Bit 9 HC_0 + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_DUALTX 0x1000 +#define SUNI1x10GEXP_BITMSK_HC 0x0600 +#define SUNI1x10GEXP_BITOFF_HC_0 9 + /*---------------------------------------------------------------------------- * Register 0x2040: RXXG Configuration 1 * Bit 15 RXXG_RXEN @@ -168,10 +840,83 @@ * Bit 2-0 RXXG_MIFG *----------------------------------------------------------------------------*/ #define SUNI1x10GEXP_BITMSK_RXXG_RXEN 0x8000 +#define SUNI1x10GEXP_BITMSK_RXXG_ROCF 0x4000 +#define SUNI1x10GEXP_BITMSK_RXXG_PAD_STRIP 0x2000 #define SUNI1x10GEXP_BITMSK_RXXG_PUREP 0x0400 +#define SUNI1x10GEXP_BITMSK_RXXG_LONGP 0x0200 +#define SUNI1x10GEXP_BITMSK_RXXG_PARF 0x0100 #define SUNI1x10GEXP_BITMSK_RXXG_FLCHK 0x0080 +#define SUNI1x10GEXP_BITMSK_RXXG_PASS_CTRL 0x0020 #define SUNI1x10GEXP_BITMSK_RXXG_CRC_STRIP 0x0008 +/*---------------------------------------------------------------------------- + * Register 0x02041: RXXG Configuration 2 + * Bit 7-0 RXXG_HDRSIZE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_HDRSIZE 0x00FF + +/*---------------------------------------------------------------------------- + * Register 0x2042: RXXG Configuration 3 + * Bit 15 RXXG_MIN_LERRE + * Bit 14 RXXG_MAX_LERRE + * Bit 12 RXXG_LINE_ERRE + * Bit 10 RXXG_RX_OVRE + * Bit 9 RXXG_ADR_FILTERE + * Bit 8 RXXG_ERR_FILTERE + * Bit 5 RXXG_PRMB_ERRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_MIN_LERRE 0x8000 +#define SUNI1x10GEXP_BITMSK_RXXG_MAX_LERRE 0x4000 +#define SUNI1x10GEXP_BITMSK_RXXG_LINE_ERRE 0x1000 +#define SUNI1x10GEXP_BITMSK_RXXG_RX_OVRE 0x0400 +#define SUNI1x10GEXP_BITMSK_RXXG_ADR_FILTERE 0x0200 +#define SUNI1x10GEXP_BITMSK_RXXG_ERR_FILTERRE 0x0100 +#define SUNI1x10GEXP_BITMSK_RXXG_PRMB_ERRE 0x0020 + +/*---------------------------------------------------------------------------- + * Register 0x2043: RXXG Interrupt + * Bit 15 RXXG_MIN_LERRI + * Bit 14 RXXG_MAX_LERRI + * Bit 12 RXXG_LINE_ERRI + * Bit 10 RXXG_RX_OVRI + * Bit 9 RXXG_ADR_FILTERI + * Bit 8 RXXG_ERR_FILTERI + * Bit 5 RXXG_PRMB_ERRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_MIN_LERRI 0x8000 +#define SUNI1x10GEXP_BITMSK_RXXG_MAX_LERRI 0x4000 +#define SUNI1x10GEXP_BITMSK_RXXG_LINE_ERRI 0x1000 +#define SUNI1x10GEXP_BITMSK_RXXG_RX_OVRI 0x0400 +#define SUNI1x10GEXP_BITMSK_RXXG_ADR_FILTERI 0x0200 +#define SUNI1x10GEXP_BITMSK_RXXG_ERR_FILTERI 0x0100 +#define SUNI1x10GEXP_BITMSK_RXXG_PRMB_ERRE 0x0020 + +/*---------------------------------------------------------------------------- + * Register 0x2049: RXXG Receive FIFO Threshold + * Bit 2-0 RXXG_CUT_THRU + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_CUT_THRU 0x0007 +#define SUNI1x10GEXP_BITOFF_RXXG_CUT_THRU 0 + +/*---------------------------------------------------------------------------- + * Register 0x2062H - 0x2069: RXXG Exact Match VID + * Bit 11-0 RXXG_VID_MATCH + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_VID_MATCH 0x0FFF +#define SUNI1x10GEXP_BITOFF_RXXG_VID_MATCH 0 + +/*---------------------------------------------------------------------------- + * Register 0x206EH - 0x206F: RXXG Address Filter Control + * Bit 3 RXXG_FORWARD_ENABLE + * Bit 2 RXXG_VLAN_ENABLE + * Bit 1 RXXG_SRC_ADDR + * Bit 0 RXXG_MATCH_ENABLE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXXG_FORWARD_ENABLE 0x0008 +#define SUNI1x10GEXP_BITMSK_RXXG_VLAN_ENABLE 0x0004 +#define SUNI1x10GEXP_BITMSK_RXXG_SRC_ADDR 0x0002 +#define SUNI1x10GEXP_BITMSK_RXXG_MATCH_ENABLE 0x0001 + /*---------------------------------------------------------------------------- * Register 0x2070: RXXG Address Filter Control 2 * Bit 1 RXXG_PMODE @@ -180,15 +925,446 @@ #define SUNI1x10GEXP_BITMSK_RXXG_PMODE 0x0002 #define SUNI1x10GEXP_BITMSK_RXXG_MHASH_EN 0x0001 +/*---------------------------------------------------------------------------- + * Register 0x2081: XRF Control Register 2 + * Bit 6 EN_PKT_GEN + * Bit 4-2 PATT + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EN_PKT_GEN 0x0040 +#define SUNI1x10GEXP_BITMSK_PATT 0x001C +#define SUNI1x10GEXP_BITOFF_PATT 2 + +/*---------------------------------------------------------------------------- + * Register 0x2088: XRF Interrupt Enable + * Bit 12-9 LANE_HICERE + * Bit 8-5 HS_SD_LANEE + * Bit 4 ALIGN_STATUS_ERRE + * Bit 3-0 LANE_SYNC_STAT_ERRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LANE_HICERE 0x1E00 +#define SUNI1x10GEXP_BITOFF_LANE_HICERE 9 +#define SUNI1x10GEXP_BITMSK_HS_SD_LANEE 0x01E0 +#define SUNI1x10GEXP_BITOFF_HS_SD_LANEE 5 +#define SUNI1x10GEXP_BITMSK_ALIGN_STATUS_ERRE 0x0010 +#define SUNI1x10GEXP_BITMSK_LANE_SYNC_STAT_ERRE 0x000F +#define SUNI1x10GEXP_BITOFF_LANE_SYNC_STAT_ERRE 0 + +/*---------------------------------------------------------------------------- + * Register 0x2089: XRF Interrupt Status + * Bit 12-9 LANE_HICERI + * Bit 8-5 HS_SD_LANEI + * Bit 4 ALIGN_STATUS_ERRI + * Bit 3-0 LANE_SYNC_STAT_ERRI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LANE_HICERI 0x1E00 +#define SUNI1x10GEXP_BITOFF_LANE_HICERI 9 +#define SUNI1x10GEXP_BITMSK_HS_SD_LANEI 0x01E0 +#define SUNI1x10GEXP_BITOFF_HS_SD_LANEI 5 +#define SUNI1x10GEXP_BITMSK_ALIGN_STATUS_ERRI 0x0010 +#define SUNI1x10GEXP_BITMSK_LANE_SYNC_STAT_ERRI 0x000F +#define SUNI1x10GEXP_BITOFF_LANE_SYNC_STAT_ERRI 0 + +/*---------------------------------------------------------------------------- + * Register 0x208A: XRF Error Status + * Bit 8-5 HS_SD_LANE + * Bit 4 ALIGN_STATUS_ERR + * Bit 3-0 LANE_SYNC_STAT_ERR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_HS_SD_LANE3 0x0100 +#define SUNI1x10GEXP_BITMSK_HS_SD_LANE2 0x0080 +#define SUNI1x10GEXP_BITMSK_HS_SD_LANE1 0x0040 +#define SUNI1x10GEXP_BITMSK_HS_SD_LANE0 0x0020 +#define SUNI1x10GEXP_BITMSK_ALIGN_STATUS_ERR 0x0010 +#define SUNI1x10GEXP_BITMSK_LANE3_SYNC_STAT_ERR 0x0008 +#define SUNI1x10GEXP_BITMSK_LANE2_SYNC_STAT_ERR 0x0004 +#define SUNI1x10GEXP_BITMSK_LANE1_SYNC_STAT_ERR 0x0002 +#define SUNI1x10GEXP_BITMSK_LANE0_SYNC_STAT_ERR 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x208B: XRF Diagnostic Interrupt Enable + * Bit 7-4 LANE_OVERRUNE + * Bit 3-0 LANE_UNDERRUNE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LANE_OVERRUNE 0x00F0 +#define SUNI1x10GEXP_BITOFF_LANE_OVERRUNE 4 +#define SUNI1x10GEXP_BITMSK_LANE_UNDERRUNE 0x000F +#define SUNI1x10GEXP_BITOFF_LANE_UNDERRUNE 0 + +/*---------------------------------------------------------------------------- + * Register 0x208C: XRF Diagnostic Interrupt Status + * Bit 7-4 LANE_OVERRUNI + * Bit 3-0 LANE_UNDERRUNI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_LANE_OVERRUNI 0x00F0 +#define SUNI1x10GEXP_BITOFF_LANE_OVERRUNI 4 +#define SUNI1x10GEXP_BITMSK_LANE_UNDERRUNI 0x000F +#define SUNI1x10GEXP_BITOFF_LANE_UNDERRUNI 0 + +/*---------------------------------------------------------------------------- + * Register 0x20C0: RXOAM Configuration + * Bit 15 RXOAM_BUSY + * Bit 14-12 RXOAM_F2_SEL + * Bit 10-8 RXOAM_F1_SEL + * Bit 7-6 RXOAM_FILTER_CTRL + * Bit 5-0 RXOAM_PX_EN + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_BUSY 0x8000 +#define SUNI1x10GEXP_BITMSK_RXOAM_F2_SEL 0x7000 +#define SUNI1x10GEXP_BITOFF_RXOAM_F2_SEL 12 +#define SUNI1x10GEXP_BITMSK_RXOAM_F1_SEL 0x0700 +#define SUNI1x10GEXP_BITOFF_RXOAM_F1_SEL 8 +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_CTRL 0x00C0 +#define SUNI1x10GEXP_BITOFF_RXOAM_FILTER_CTRL 6 +#define SUNI1x10GEXP_BITMSK_RXOAM_PX_EN 0x003F +#define SUNI1x10GEXP_BITOFF_RXOAM_PX_EN 0 + +/*---------------------------------------------------------------------------- + * Register 0x20C1,0x20C2: RXOAM Filter Configuration + * Bit 15-8 RXOAM_FX_MASK + * Bit 7-0 RXOAM_FX_VAL + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_FX_MASK 0xFF00 +#define SUNI1x10GEXP_BITOFF_RXOAM_FX_MASK 8 +#define SUNI1x10GEXP_BITMSK_RXOAM_FX_VAL 0x00FF +#define SUNI1x10GEXP_BITOFF_RXOAM_FX_VAl 0 + +/*---------------------------------------------------------------------------- + * Register 0x20C3: RXOAM Configuration Register 2 + * Bit 13 RXOAM_REC_BYTE_VAL + * Bit 11-10 RXOAM_BYPASS_MODE + * Bit 5-0 RXOAM_PX_CLEAR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_REC_BYTE_VAL 0x2000 +#define SUNI1x10GEXP_BITMSK_RXOAM_BYPASS_MODE 0x0C00 +#define SUNI1x10GEXP_BITOFF_RXOAM_BYPASS_MODE 10 +#define SUNI1x10GEXP_BITMSK_RXOAM_PX_CLEAR 0x003F +#define SUNI1x10GEXP_BITOFF_RXOAM_PX_CLEAR 0 + +/*---------------------------------------------------------------------------- + * Register 0x20C4: RXOAM HEC Configuration + * Bit 15-8 RXOAM_COSET + * Bit 2 RXOAM_HEC_ERR_PKT + * Bit 0 RXOAM_HEC_EN + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_COSET 0xFF00 +#define SUNI1x10GEXP_BITOFF_RXOAM_COSET 8 +#define SUNI1x10GEXP_BITMSK_RXOAM_HEC_ERR_PKT 0x0004 +#define SUNI1x10GEXP_BITMSK_RXOAM_HEC_EN 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x20C7: RXOAM Interrupt Enable + * Bit 10 RXOAM_FILTER_THRSHE + * Bit 9 RXOAM_OAM_ERRE + * Bit 8 RXOAM_HECE_THRSHE + * Bit 7 RXOAM_SOPE + * Bit 6 RXOAM_RFE + * Bit 5 RXOAM_LFE + * Bit 4 RXOAM_DV_ERRE + * Bit 3 RXOAM_DATA_INVALIDE + * Bit 2 RXOAM_FILTER_DROPE + * Bit 1 RXOAM_HECE + * Bit 0 RXOAM_OFLE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_THRSHE 0x0400 +#define SUNI1x10GEXP_BITMSK_RXOAM_OAM_ERRE 0x0200 +#define SUNI1x10GEXP_BITMSK_RXOAM_HECE_THRSHE 0x0100 +#define SUNI1x10GEXP_BITMSK_RXOAM_SOPE 0x0080 +#define SUNI1x10GEXP_BITMSK_RXOAM_RFE 0x0040 +#define SUNI1x10GEXP_BITMSK_RXOAM_LFE 0x0020 +#define SUNI1x10GEXP_BITMSK_RXOAM_DV_ERRE 0x0010 +#define SUNI1x10GEXP_BITMSK_RXOAM_DATA_INVALIDE 0x0008 +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_DROPE 0x0004 +#define SUNI1x10GEXP_BITMSK_RXOAM_HECE 0x0002 +#define SUNI1x10GEXP_BITMSK_RXOAM_OFLE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x20C8: RXOAM Interrupt Status + * Bit 10 RXOAM_FILTER_THRSHI + * Bit 9 RXOAM_OAM_ERRI + * Bit 8 RXOAM_HECE_THRSHI + * Bit 7 RXOAM_SOPI + * Bit 6 RXOAM_RFI + * Bit 5 RXOAM_LFI + * Bit 4 RXOAM_DV_ERRI + * Bit 3 RXOAM_DATA_INVALIDI + * Bit 2 RXOAM_FILTER_DROPI + * Bit 1 RXOAM_HECI + * Bit 0 RXOAM_OFLI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_THRSHI 0x0400 +#define SUNI1x10GEXP_BITMSK_RXOAM_OAM_ERRI 0x0200 +#define SUNI1x10GEXP_BITMSK_RXOAM_HECE_THRSHI 0x0100 +#define SUNI1x10GEXP_BITMSK_RXOAM_SOPI 0x0080 +#define SUNI1x10GEXP_BITMSK_RXOAM_RFI 0x0040 +#define SUNI1x10GEXP_BITMSK_RXOAM_LFI 0x0020 +#define SUNI1x10GEXP_BITMSK_RXOAM_DV_ERRI 0x0010 +#define SUNI1x10GEXP_BITMSK_RXOAM_DATA_INVALIDI 0x0008 +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_DROPI 0x0004 +#define SUNI1x10GEXP_BITMSK_RXOAM_HECI 0x0002 +#define SUNI1x10GEXP_BITMSK_RXOAM_OFLI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x20C9: RXOAM Status + * Bit 10 RXOAM_FILTER_THRSHV + * Bit 8 RXOAM_HECE_THRSHV + * Bit 6 RXOAM_RFV + * Bit 5 RXOAM_LFV + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_RXOAM_FILTER_THRSHV 0x0400 +#define SUNI1x10GEXP_BITMSK_RXOAM_HECE_THRSHV 0x0100 +#define SUNI1x10GEXP_BITMSK_RXOAM_RFV 0x0040 +#define SUNI1x10GEXP_BITMSK_RXOAM_LFV 0x0020 + /*---------------------------------------------------------------------------- * Register 0x2100: MSTAT Control * Bit 2 MSTAT_WRITE * Bit 1 MSTAT_CLEAR * Bit 0 MSTAT_SNAP *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MSTAT_WRITE 0x0004 #define SUNI1x10GEXP_BITMSK_MSTAT_CLEAR 0x0002 #define SUNI1x10GEXP_BITMSK_MSTAT_SNAP 0x0001 +/*---------------------------------------------------------------------------- + * Register 0x2109: MSTAT Counter Write Address + * Bit 5-0 MSTAT_WRITE_ADDRESS + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_MSTAT_WRITE_ADDRESS 0x003F +#define SUNI1x10GEXP_BITOFF_MSTAT_WRITE_ADDRESS 0 + +/*---------------------------------------------------------------------------- + * Register 0x2200: IFLX Global Configuration Register + * Bit 15 IFLX_IRCU_ENABLE + * Bit 14 IFLX_IDSWT_ENABLE + * Bit 13-0 IFLX_IFD_CNT + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_IRCU_ENABLE 0x8000 +#define SUNI1x10GEXP_BITMSK_IFLX_IDSWT_ENABLE 0x4000 +#define SUNI1x10GEXP_BITMSK_IFLX_IFD_CNT 0x3FFF +#define SUNI1x10GEXP_BITOFF_IFLX_IFD_CNT 0 + +/*---------------------------------------------------------------------------- + * Register 0x2209: IFLX FIFO Overflow Enable + * Bit 0 IFLX_OVFE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_OVFE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x220A: IFLX FIFO Overflow Interrupt + * Bit 0 IFLX_OVFI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_OVFI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x220D: IFLX Indirect Channel Address + * Bit 15 IFLX_BUSY + * Bit 14 IFLX_RWB + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_BUSY 0x8000 +#define SUNI1x10GEXP_BITMSK_IFLX_RWB 0x4000 + +/*---------------------------------------------------------------------------- + * Register 0x220E: IFLX Indirect Logical FIFO Low Limit & Provision + * Bit 9-0 IFLX_LOLIM + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_LOLIM 0x03FF +#define SUNI1x10GEXP_BITOFF_IFLX_LOLIM 0 + +/*---------------------------------------------------------------------------- + * Register 0x220F: IFLX Indirect Logical FIFO High Limit + * Bit 9-0 IFLX_HILIM + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_HILIM 0x03FF +#define SUNI1x10GEXP_BITOFF_IFLX_HILIM 0 + +/*---------------------------------------------------------------------------- + * Register 0x2210: IFLX Indirect Full/Almost Full Status & Limit + * Bit 15 IFLX_FULL + * Bit 14 IFLX_AFULL + * Bit 13-0 IFLX_AFTH + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_FULL 0x8000 +#define SUNI1x10GEXP_BITMSK_IFLX_AFULL 0x4000 +#define SUNI1x10GEXP_BITMSK_IFLX_AFTH 0x3FFF +#define SUNI1x10GEXP_BITOFF_IFLX_AFTH 0 + +/*---------------------------------------------------------------------------- + * Register 0x2211: IFLX Indirect Empty/Almost Empty Status & Limit + * Bit 15 IFLX_EMPTY + * Bit 14 IFLX_AEMPTY + * Bit 13-0 IFLX_AETH + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_IFLX_EMPTY 0x8000 +#define SUNI1x10GEXP_BITMSK_IFLX_AEMPTY 0x4000 +#define SUNI1x10GEXP_BITMSK_IFLX_AETH 0x3FFF +#define SUNI1x10GEXP_BITOFF_IFLX_AETH 0 + +/*---------------------------------------------------------------------------- + * Register 0x2240: PL4MOS Configuration Register + * Bit 3 PL4MOS_RE_INIT + * Bit 2 PL4MOS_EN + * Bit 1 PL4MOS_NO_STATUS + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4MOS_RE_INIT 0x0008 +#define SUNI1x10GEXP_BITMSK_PL4MOS_EN 0x0004 +#define SUNI1x10GEXP_BITMSK_PL4MOS_NO_STATUS 0x0002 + +/*---------------------------------------------------------------------------- + * Register 0x2243: PL4MOS MaxBurst1 Register + * Bit 11-0 PL4MOS_MAX_BURST1 + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4MOS_MAX_BURST1 0x0FFF +#define SUNI1x10GEXP_BITOFF_PL4MOS_MAX_BURST1 0 + +/*---------------------------------------------------------------------------- + * Register 0x2244: PL4MOS MaxBurst2 Register + * Bit 11-0 PL4MOS_MAX_BURST2 + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4MOS_MAX_BURST2 0x0FFF +#define SUNI1x10GEXP_BITOFF_PL4MOS_MAX_BURST2 0 + +/*---------------------------------------------------------------------------- + * Register 0x2245: PL4MOS Transfer Size Register + * Bit 7-0 PL4MOS_MAX_TRANSFER + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4MOS_MAX_TRANSFER 0x00FF +#define SUNI1x10GEXP_BITOFF_PL4MOS_MAX_TRANSFER 0 + +/*---------------------------------------------------------------------------- + * Register 0x2280: PL4ODP Configuration + * Bit 15-12 PL4ODP_REPEAT_T + * Bit 8 PL4ODP_SOP_RULE + * Bit 1 PL4ODP_EN_PORTS + * Bit 0 PL4ODP_EN_DFWD + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4ODP_REPEAT_T 0xF000 +#define SUNI1x10GEXP_BITOFF_PL4ODP_REPEAT_T 12 +#define SUNI1x10GEXP_BITMSK_PL4ODP_SOP_RULE 0x0100 +#define SUNI1x10GEXP_BITMSK_PL4ODP_EN_PORTS 0x0002 +#define SUNI1x10GEXP_BITMSK_PL4ODP_EN_DFWD 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x2282: PL4ODP Interrupt Mask + * Bit 0 PL4ODP_OUT_DISE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4ODP_OUT_DISE 0x0001 + + + +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_EOPEOBE 0x0080 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_ERREOPE 0x0040 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_MEOPE 0x0008 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_MSOPE 0x0004 +#define SUNI1x10GEXP_BITMSK_PL4ODP_ES_OVRE 0x0002 + + +/*---------------------------------------------------------------------------- + * Register 0x2283: PL4ODP Interrupt + * Bit 0 PL4ODP_OUT_DISI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4ODP_OUT_DISI 0x0001 + + + +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_EOPEOBI 0x0080 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_ERREOPI 0x0040 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_MEOPI 0x0008 +#define SUNI1x10GEXP_BITMSK_PL4ODP_PPE_MSOPI 0x0004 +#define SUNI1x10GEXP_BITMSK_PL4ODP_ES_OVRI 0x0002 + +/*---------------------------------------------------------------------------- + * Register 0x2300: PL4IO Lock Detect Status + * Bit 15 PL4IO_OUT_ROOLV + * Bit 12 PL4IO_IS_ROOLV + * Bit 11 PL4IO_DIP2_ERRV + * Bit 8 PL4IO_ID_ROOLV + * Bit 4 PL4IO_IS_DOOLV + * Bit 0 PL4IO_ID_DOOLV + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_OUT_ROOLV 0x8000 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_ROOLV 0x1000 +#define SUNI1x10GEXP_BITMSK_PL4IO_DIP2_ERRV 0x0800 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_ROOLV 0x0100 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_DOOLV 0x0010 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_DOOLV 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x2301: PL4IO Lock Detect Change + * Bit 15 PL4IO_OUT_ROOLI + * Bit 12 PL4IO_IS_ROOLI + * Bit 11 PL4IO_DIP2_ERRI + * Bit 8 PL4IO_ID_ROOLI + * Bit 4 PL4IO_IS_DOOLI + * Bit 0 PL4IO_ID_DOOLI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_OUT_ROOLI 0x8000 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_ROOLI 0x1000 +#define SUNI1x10GEXP_BITMSK_PL4IO_DIP2_ERRI 0x0800 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_ROOLI 0x0100 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_DOOLI 0x0010 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_DOOLI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x2302: PL4IO Lock Detect Mask + * Bit 15 PL4IO_OUT_ROOLE + * Bit 12 PL4IO_IS_ROOLE + * Bit 11 PL4IO_DIP2_ERRE + * Bit 8 PL4IO_ID_ROOLE + * Bit 4 PL4IO_IS_DOOLE + * Bit 0 PL4IO_ID_DOOLE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_OUT_ROOLE 0x8000 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_ROOLE 0x1000 +#define SUNI1x10GEXP_BITMSK_PL4IO_DIP2_ERRE 0x0800 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_ROOLE 0x0100 +#define SUNI1x10GEXP_BITMSK_PL4IO_IS_DOOLE 0x0010 +#define SUNI1x10GEXP_BITMSK_PL4IO_ID_DOOLE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x2303: PL4IO Lock Detect Limits + * Bit 15-8 PL4IO_REF_LIMIT + * Bit 7-0 PL4IO_TRAN_LIMIT + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_REF_LIMIT 0xFF00 +#define SUNI1x10GEXP_BITOFF_PL4IO_REF_LIMIT 8 +#define SUNI1x10GEXP_BITMSK_PL4IO_TRAN_LIMIT 0x00FF +#define SUNI1x10GEXP_BITOFF_PL4IO_TRAN_LIMIT 0 + +/*---------------------------------------------------------------------------- + * Register 0x2304: PL4IO Calendar Repetitions + * Bit 15-8 PL4IO_IN_MUL + * Bit 7-0 PL4IO_OUT_MUL + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_IN_MUL 0xFF00 +#define SUNI1x10GEXP_BITOFF_PL4IO_IN_MUL 8 +#define SUNI1x10GEXP_BITMSK_PL4IO_OUT_MUL 0x00FF +#define SUNI1x10GEXP_BITOFF_PL4IO_OUT_MUL 0 + +/*---------------------------------------------------------------------------- + * Register 0x2305: PL4IO Configuration + * Bit 15 PL4IO_DIP2_ERR_CHK + * Bit 11 PL4IO_ODAT_DIS + * Bit 10 PL4IO_TRAIN_DIS + * Bit 9 PL4IO_OSTAT_DIS + * Bit 8 PL4IO_ISTAT_DIS + * Bit 7 PL4IO_NO_ISTAT + * Bit 6 PL4IO_STAT_OUTSEL + * Bit 5 PL4IO_INSEL + * Bit 4 PL4IO_DLSEL + * Bit 1-0 PL4IO_OUTSEL + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IO_DIP2_ERR_CHK 0x8000 +#define SUNI1x10GEXP_BITMSK_PL4IO_ODAT_DIS 0x0800 +#define SUNI1x10GEXP_BITMSK_PL4IO_TRAIN_DIS 0x0400 +#define SUNI1x10GEXP_BITMSK_PL4IO_OSTAT_DIS 0x0200 +#define SUNI1x10GEXP_BITMSK_PL4IO_ISTAT_DIS 0x0100 +#define SUNI1x10GEXP_BITMSK_PL4IO_NO_ISTAT 0x0080 +#define SUNI1x10GEXP_BITMSK_PL4IO_STAT_OUTSEL 0x0040 +#define SUNI1x10GEXP_BITMSK_PL4IO_INSEL 0x0020 +#define SUNI1x10GEXP_BITMSK_PL4IO_DLSEL 0x0010 +#define SUNI1x10GEXP_BITMSK_PL4IO_OUTSEL 0x0003 +#define SUNI1x10GEXP_BITOFF_PL4IO_OUTSEL 0 + /*---------------------------------------------------------------------------- * Register 0x3040: TXXG Configuration Register 1 * Bit 15 TXXG_TXEN0 @@ -202,12 +1378,266 @@ * Bit 0 TXXG_SPRE *----------------------------------------------------------------------------*/ #define SUNI1x10GEXP_BITMSK_TXXG_TXEN0 0x8000 +#define SUNI1x10GEXP_BITMSK_TXXG_HOSTPAUSE 0x2000 +#define SUNI1x10GEXP_BITMSK_TXXG_IPGT 0x1F80 #define SUNI1x10GEXP_BITOFF_TXXG_IPGT 7 #define SUNI1x10GEXP_BITMSK_TXXG_32BIT_ALIGN 0x0020 #define SUNI1x10GEXP_BITMSK_TXXG_CRCEN 0x0010 #define SUNI1x10GEXP_BITMSK_TXXG_FCTX 0x0008 #define SUNI1x10GEXP_BITMSK_TXXG_FCRX 0x0004 #define SUNI1x10GEXP_BITMSK_TXXG_PADEN 0x0002 +#define SUNI1x10GEXP_BITMSK_TXXG_SPRE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3041: TXXG Configuration Register 2 + * Bit 7-0 TXXG_HDRSIZE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_HDRSIZE 0x00FF + +/*---------------------------------------------------------------------------- + * Register 0x3042: TXXG Configuration Register 3 + * Bit 15 TXXG_FIFO_ERRE + * Bit 14 TXXG_FIFO_UDRE + * Bit 13 TXXG_MAX_LERRE + * Bit 12 TXXG_MIN_LERRE + * Bit 11 TXXG_XFERE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_FIFO_ERRE 0x8000 +#define SUNI1x10GEXP_BITMSK_TXXG_FIFO_UDRE 0x4000 +#define SUNI1x10GEXP_BITMSK_TXXG_MAX_LERRE 0x2000 +#define SUNI1x10GEXP_BITMSK_TXXG_MIN_LERRE 0x1000 +#define SUNI1x10GEXP_BITMSK_TXXG_XFERE 0x0800 + +/*---------------------------------------------------------------------------- + * Register 0x3043: TXXG Interrupt + * Bit 15 TXXG_FIFO_ERRI + * Bit 14 TXXG_FIFO_UDRI + * Bit 13 TXXG_MAX_LERRI + * Bit 12 TXXG_MIN_LERRI + * Bit 11 TXXG_XFERI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_FIFO_ERRI 0x8000 +#define SUNI1x10GEXP_BITMSK_TXXG_FIFO_UDRI 0x4000 +#define SUNI1x10GEXP_BITMSK_TXXG_MAX_LERRI 0x2000 +#define SUNI1x10GEXP_BITMSK_TXXG_MIN_LERRI 0x1000 +#define SUNI1x10GEXP_BITMSK_TXXG_XFERI 0x0800 + +/*---------------------------------------------------------------------------- + * Register 0x3044: TXXG Status Register + * Bit 1 TXXG_TXACTIVE + * Bit 0 TXXG_PAUSED + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_TXACTIVE 0x0002 +#define SUNI1x10GEXP_BITMSK_TXXG_PAUSED 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3046: TXXG TX_MINFR - Transmit Min Frame Size Register + * Bit 7-0 TXXG_TX_MINFR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_TX_MINFR 0x00FF +#define SUNI1x10GEXP_BITOFF_TXXG_TX_MINFR 0 + +/*---------------------------------------------------------------------------- + * Register 0x3052: TXXG Pause Quantum Value Configuration Register + * Bit 7-0 TXXG_FC_PAUSE_QNTM + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXXG_FC_PAUSE_QNTM 0x00FF +#define SUNI1x10GEXP_BITOFF_TXXG_FC_PAUSE_QNTM 0 + +/*---------------------------------------------------------------------------- + * Register 0x3080: XTEF Control + * Bit 3-0 XTEF_FORCE_PARITY_ERR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_XTEF_FORCE_PARITY_ERR 0x000F +#define SUNI1x10GEXP_BITOFF_XTEF_FORCE_PARITY_ERR 0 + +/*---------------------------------------------------------------------------- + * Register 0x3084: XTEF Interrupt Event Register + * Bit 0 XTEF_LOST_SYNCI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_XTEF_LOST_SYNCI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3085: XTEF Interrupt Enable Register + * Bit 0 XTEF_LOST_SYNCE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_XTEF_LOST_SYNCE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3086: XTEF Visibility Register + * Bit 0 XTEF_LOST_SYNCV + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_XTEF_LOST_SYNCV 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x30C0: TXOAM OAM Configuration + * Bit 15 TXOAM_HEC_EN + * Bit 14 TXOAM_EMPTYCODE_EN + * Bit 13 TXOAM_FORCE_IDLE + * Bit 12 TXOAM_IGNORE_IDLE + * Bit 11-6 TXOAM_PX_OVERWRITE + * Bit 5-0 TXOAM_PX_SEL + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_HEC_EN 0x8000 +#define SUNI1x10GEXP_BITMSK_TXOAM_EMPTYCODE_EN 0x4000 +#define SUNI1x10GEXP_BITMSK_TXOAM_FORCE_IDLE 0x2000 +#define SUNI1x10GEXP_BITMSK_TXOAM_IGNORE_IDLE 0x1000 +#define SUNI1x10GEXP_BITMSK_TXOAM_PX_OVERWRITE 0x0FC0 +#define SUNI1x10GEXP_BITOFF_TXOAM_PX_OVERWRITE 6 +#define SUNI1x10GEXP_BITMSK_TXOAM_PX_SEL 0x003F +#define SUNI1x10GEXP_BITOFF_TXOAM_PX_SEL 0 + +/*---------------------------------------------------------------------------- + * Register 0x30C1: TXOAM Mini-Packet Rate Configuration + * Bit 15 TXOAM_MINIDIS + * Bit 14 TXOAM_BUSY + * Bit 13 TXOAM_TRANS_EN + * Bit 10-0 TXOAM_MINIRATE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_MINIDIS 0x8000 +#define SUNI1x10GEXP_BITMSK_TXOAM_BUSY 0x4000 +#define SUNI1x10GEXP_BITMSK_TXOAM_TRANS_EN 0x2000 +#define SUNI1x10GEXP_BITMSK_TXOAM_MINIRATE 0x07FF + +/*---------------------------------------------------------------------------- + * Register 0x30C2: TXOAM Mini-Packet Gap and FIFO Configuration + * Bit 13-10 TXOAM_FTHRESH + * Bit 9-6 TXOAM_MINIPOST + * Bit 5-0 TXOAM_MINIPRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_FTHRESH 0x3C00 +#define SUNI1x10GEXP_BITOFF_TXOAM_FTHRESH 10 +#define SUNI1x10GEXP_BITMSK_TXOAM_MINIPOST 0x03C0 +#define SUNI1x10GEXP_BITOFF_TXOAM_MINIPOST 6 +#define SUNI1x10GEXP_BITMSK_TXOAM_MINIPRE 0x003F + +/*---------------------------------------------------------------------------- + * Register 0x30C6: TXOAM Interrupt Enable + * Bit 2 TXOAM_SOP_ERRE + * Bit 1 TXOAM_OFLE + * Bit 0 TXOAM_ERRE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_SOP_ERRE 0x0004 +#define SUNI1x10GEXP_BITMSK_TXOAM_OFLE 0x0002 +#define SUNI1x10GEXP_BITMSK_TXOAM_ERRE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x30C7: TXOAM Interrupt Status + * Bit 2 TXOAM_SOP_ERRI + * Bit 1 TXOAM_OFLI + * Bit 0 TXOAM_ERRI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_SOP_ERRI 0x0004 +#define SUNI1x10GEXP_BITMSK_TXOAM_OFLI 0x0002 +#define SUNI1x10GEXP_BITMSK_TXOAM_ERRI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x30CF: TXOAM Coset + * Bit 7-0 TXOAM_COSET + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_TXOAM_COSET 0x00FF + +/*---------------------------------------------------------------------------- + * Register 0x3200: EFLX Global Configuration + * Bit 15 EFLX_ERCU_EN + * Bit 7 EFLX_EN_EDSWT + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_ERCU_EN 0x8000 +#define SUNI1x10GEXP_BITMSK_EFLX_EN_EDSWT 0x0080 + +/*---------------------------------------------------------------------------- + * Register 0x3201: EFLX ERCU Global Status + * Bit 13 EFLX_OVF_ERR + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_OVF_ERR 0x2000 + +/*---------------------------------------------------------------------------- + * Register 0x3202: EFLX Indirect Channel Address + * Bit 15 EFLX_BUSY + * Bit 14 EFLX_RDWRB + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_BUSY 0x8000 +#define SUNI1x10GEXP_BITMSK_EFLX_RDWRB 0x4000 + +/*---------------------------------------------------------------------------- + * Register 0x3203: EFLX Indirect Logical FIFO Low Limit + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_LOLIM 0x03FF +#define SUNI1x10GEXP_BITOFF_EFLX_LOLIM 0 + +/*---------------------------------------------------------------------------- + * Register 0x3204: EFLX Indirect Logical FIFO High Limit + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_HILIM 0x03FF +#define SUNI1x10GEXP_BITOFF_EFLX_HILIM 0 + +/*---------------------------------------------------------------------------- + * Register 0x3205: EFLX Indirect Full/Almost-Full Status and Limit + * Bit 15 EFLX_FULL + * Bit 14 EFLX_AFULL + * Bit 13-0 EFLX_AFTH + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_FULL 0x8000 +#define SUNI1x10GEXP_BITMSK_EFLX_AFULL 0x4000 +#define SUNI1x10GEXP_BITMSK_EFLX_AFTH 0x3FFF +#define SUNI1x10GEXP_BITOFF_EFLX_AFTH 0 + +/*---------------------------------------------------------------------------- + * Register 0x3206: EFLX Indirect Empty/Almost-Empty Status and Limit + * Bit 15 EFLX_EMPTY + * Bit 14 EFLX_AEMPTY + * Bit 13-0 EFLX_AETH + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_EMPTY 0x8000 +#define SUNI1x10GEXP_BITMSK_EFLX_AEMPTY 0x4000 +#define SUNI1x10GEXP_BITMSK_EFLX_AETH 0x3FFF +#define SUNI1x10GEXP_BITOFF_EFLX_AETH 0 + +/*---------------------------------------------------------------------------- + * Register 0x3207: EFLX Indirect FIFO Cut-Through Threshold + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_CUT_THRU 0x3FFF +#define SUNI1x10GEXP_BITOFF_EFLX_CUT_THRU 0 + +/*---------------------------------------------------------------------------- + * Register 0x320C: EFLX FIFO Overflow Error Enable + * Bit 0 EFLX_OVFE + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_OVFE 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x320D: EFLX FIFO Overflow Error Indication + * Bit 0 EFLX_OVFI + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_OVFI 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3210: EFLX Channel Provision + * Bit 0 EFLX_PROV + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_EFLX_PROV 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3280: PL4IDU Configuration + * Bit 2 PL4IDU_SYNCH_ON_TRAIN + * Bit 1 PL4IDU_EN_PORTS + * Bit 0 PL4IDU_EN_DFWD + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IDU_SYNCH_ON_TRAIN 0x0004 +#define SUNI1x10GEXP_BITMSK_PL4IDU_EN_PORTS 0x0002 +#define SUNI1x10GEXP_BITMSK_PL4IDU_EN_DFWD 0x0001 + +/*---------------------------------------------------------------------------- + * Register 0x3282: PL4IDU Interrupt Mask + * Bit 1 PL4IDU_DIP4E + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IDU_DIP4E 0x0002 + +/*---------------------------------------------------------------------------- + * Register 0x3283: PL4IDU Interrupt + * Bit 1 PL4IDU_DIP4I + *----------------------------------------------------------------------------*/ +#define SUNI1x10GEXP_BITMSK_PL4IDU_DIP4I 0x0002 #endif /* _CXGB_SUNI1x10GEXP_REGS_H_ */ diff --git a/drivers/net/chelsio/tp.c b/drivers/net/chelsio/tp.c new file mode 100644 index 00000000000..04a7073e9d1 --- /dev/null +++ b/drivers/net/chelsio/tp.c @@ -0,0 +1,145 @@ +/* $Date: 2006/02/07 04:21:54 $ $RCSfile: tp.c,v $ $Revision: 1.73 $ */ +#include "common.h" +#include "regs.h" +#include "tp.h" + +struct petp { + adapter_t *adapter; +}; + +/* Pause deadlock avoidance parameters */ +#define DROP_MSEC 16 +#define DROP_PKTS_CNT 1 + +static void tp_init(adapter_t * ap, const struct tp_params *p, + unsigned int tp_clk) +{ + if (t1_is_asic(ap)) { + u32 val; + + val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM | + F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET; + if (!p->pm_size) + val |= F_OFFLOAD_DISABLE; + else + val |= F_TP_IN_ESPI_CHECK_IP_CSUM | + F_TP_IN_ESPI_CHECK_TCP_CSUM; + writel(val, ap->regs + A_TP_IN_CONFIG); + writel(F_TP_OUT_CSPI_CPL | + F_TP_OUT_ESPI_ETHERNET | + F_TP_OUT_ESPI_GENERATE_IP_CSUM | + F_TP_OUT_ESPI_GENERATE_TCP_CSUM, + ap->regs + A_TP_OUT_CONFIG); + writel(V_IP_TTL(64) | + F_PATH_MTU /* IP DF bit */ | + V_5TUPLE_LOOKUP(p->use_5tuple_mode) | + V_SYN_COOKIE_PARAMETER(29), + ap->regs + A_TP_GLOBAL_CONFIG); + /* + * Enable pause frame deadlock prevention. + */ + if (is_T2(ap) && ap->params.nports > 1) { + u32 drop_ticks = DROP_MSEC * (tp_clk / 1000); + + writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR | + V_DROP_TICKS_CNT(drop_ticks) | + V_NUM_PKTS_DROPPED(DROP_PKTS_CNT), + ap->regs + A_TP_TX_DROP_CONFIG); + } + + } +} + +void t1_tp_destroy(struct petp *tp) +{ + kfree(tp); +} + +struct petp *__devinit t1_tp_create(adapter_t * adapter, struct tp_params *p) +{ + struct petp *tp = kzalloc(sizeof(*tp), GFP_KERNEL); + if (!tp) + return NULL; + + tp->adapter = adapter; + + return tp; +} + +void t1_tp_intr_enable(struct petp *tp) +{ + u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); + + { + /* We don't use any TP interrupts */ + writel(0, tp->adapter->regs + A_TP_INT_ENABLE); + writel(tp_intr | F_PL_INTR_TP, + tp->adapter->regs + A_PL_ENABLE); + } +} + +void t1_tp_intr_disable(struct petp *tp) +{ + u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); + + { + writel(0, tp->adapter->regs + A_TP_INT_ENABLE); + writel(tp_intr & ~F_PL_INTR_TP, + tp->adapter->regs + A_PL_ENABLE); + } +} + +void t1_tp_intr_clear(struct petp *tp) +{ + writel(0xffffffff, tp->adapter->regs + A_TP_INT_CAUSE); + writel(F_PL_INTR_TP, tp->adapter->regs + A_PL_CAUSE); +} + +int t1_tp_intr_handler(struct petp *tp) +{ + u32 cause; + + + cause = readl(tp->adapter->regs + A_TP_INT_CAUSE); + writel(cause, tp->adapter->regs + A_TP_INT_CAUSE); + return 0; +} + +static void set_csum_offload(struct petp *tp, u32 csum_bit, int enable) +{ + u32 val = readl(tp->adapter->regs + A_TP_GLOBAL_CONFIG); + + if (enable) + val |= csum_bit; + else + val &= ~csum_bit; + writel(val, tp->adapter->regs + A_TP_GLOBAL_CONFIG); +} + +void t1_tp_set_ip_checksum_offload(struct petp *tp, int enable) +{ + set_csum_offload(tp, F_IP_CSUM, enable); +} + +void t1_tp_set_udp_checksum_offload(struct petp *tp, int enable) +{ + set_csum_offload(tp, F_UDP_CSUM, enable); +} + +void t1_tp_set_tcp_checksum_offload(struct petp *tp, int enable) +{ + set_csum_offload(tp, F_TCP_CSUM, enable); +} + +/* + * Initialize TP state. tp_params contains initial settings for some TP + * parameters, particularly the one-time PM and CM settings. + */ +int t1_tp_reset(struct petp *tp, struct tp_params *p, unsigned int tp_clk) +{ + adapter_t *adapter = tp->adapter; + + tp_init(adapter, p, tp_clk); + writel(F_TP_RESET, adapter->regs + A_TP_RESET); + return 0; +} diff --git a/drivers/net/chelsio/tp.h b/drivers/net/chelsio/tp.h new file mode 100644 index 00000000000..32fc71e5891 --- /dev/null +++ b/drivers/net/chelsio/tp.h @@ -0,0 +1,73 @@ +/* $Date: 2005/03/07 23:59:05 $ $RCSfile: tp.h,v $ $Revision: 1.20 $ */ +#ifndef CHELSIO_TP_H +#define CHELSIO_TP_H + +#include "common.h" + +#define TP_MAX_RX_COALESCING_SIZE 16224U + +struct tp_mib_statistics { + + /* IP */ + u32 ipInReceive_hi; + u32 ipInReceive_lo; + u32 ipInHdrErrors_hi; + u32 ipInHdrErrors_lo; + u32 ipInAddrErrors_hi; + u32 ipInAddrErrors_lo; + u32 ipInUnknownProtos_hi; + u32 ipInUnknownProtos_lo; + u32 ipInDiscards_hi; + u32 ipInDiscards_lo; + u32 ipInDelivers_hi; + u32 ipInDelivers_lo; + u32 ipOutRequests_hi; + u32 ipOutRequests_lo; + u32 ipOutDiscards_hi; + u32 ipOutDiscards_lo; + u32 ipOutNoRoutes_hi; + u32 ipOutNoRoutes_lo; + u32 ipReasmTimeout; + u32 ipReasmReqds; + u32 ipReasmOKs; + u32 ipReasmFails; + + u32 reserved[8]; + + /* TCP */ + u32 tcpActiveOpens; + u32 tcpPassiveOpens; + u32 tcpAttemptFails; + u32 tcpEstabResets; + u32 tcpOutRsts; + u32 tcpCurrEstab; + u32 tcpInSegs_hi; + u32 tcpInSegs_lo; + u32 tcpOutSegs_hi; + u32 tcpOutSegs_lo; + u32 tcpRetransSeg_hi; + u32 tcpRetransSeg_lo; + u32 tcpInErrs_hi; + u32 tcpInErrs_lo; + u32 tcpRtoMin; + u32 tcpRtoMax; +}; + +struct petp; +struct tp_params; + +struct petp *t1_tp_create(adapter_t *adapter, struct tp_params *p); +void t1_tp_destroy(struct petp *tp); + +void t1_tp_intr_disable(struct petp *tp); +void t1_tp_intr_enable(struct petp *tp); +void t1_tp_intr_clear(struct petp *tp); +int t1_tp_intr_handler(struct petp *tp); + +void t1_tp_get_mib_statistics(adapter_t *adap, struct tp_mib_statistics *tps); +void t1_tp_set_udp_checksum_offload(struct petp *tp, int enable); +void t1_tp_set_tcp_checksum_offload(struct petp *tp, int enable); +void t1_tp_set_ip_checksum_offload(struct petp *tp, int enable); +int t1_tp_set_coalescing_size(struct petp *tp, unsigned int size); +int t1_tp_reset(struct petp *tp, struct tp_params *p, unsigned int tp_clk); +#endif diff --git a/drivers/net/chelsio/vsc7326_reg.h b/drivers/net/chelsio/vsc7326_reg.h new file mode 100644 index 00000000000..491bcf75c4f --- /dev/null +++ b/drivers/net/chelsio/vsc7326_reg.h @@ -0,0 +1,286 @@ +/* $Date: 2006/04/28 19:20:17 $ $RCSfile: vsc7326_reg.h,v $ $Revision: 1.5 $ */ +#ifndef _VSC7321_REG_H_ +#define _VSC7321_REG_H_ + +/* Register definitions for Vitesse VSC7321 (Meigs II) MAC + * + * Straight off the data sheet, VMDS-10038 Rev 2.0 and + * PD0011-01-14-Meigs-II 2002-12-12 + */ + +/* Just 'cause it's in here doesn't mean it's used. */ + +#define CRA(blk,sub,adr) ((((blk) & 0x7) << 13) | (((sub) & 0xf) << 9) | (((adr) & 0xff) << 1)) + +/* System and CPU comm's registers */ +#define REG_CHIP_ID CRA(0x7,0xf,0x00) /* Chip ID */ +#define REG_BLADE_ID CRA(0x7,0xf,0x01) /* Blade ID */ +#define REG_SW_RESET CRA(0x7,0xf,0x02) /* Global Soft Reset */ +#define REG_MEM_BIST CRA(0x7,0xf,0x04) /* mem */ +#define REG_IFACE_MODE CRA(0x7,0xf,0x07) /* Interface mode */ +#define REG_MSCH CRA(0x7,0x2,0x06) /* CRC error count */ +#define REG_CRC_CNT CRA(0x7,0x2,0x0a) /* CRC error count */ +#define REG_CRC_CFG CRA(0x7,0x2,0x0b) /* CRC config */ +#define REG_SI_TRANSFER_SEL CRA(0x7,0xf,0x18) /* SI Transfer Select */ +#define REG_PLL_CLK_SPEED CRA(0x7,0xf,0x19) /* Clock Speed Selection */ +#define REG_SYS_CLK_SELECT CRA(0x7,0xf,0x1c) /* System Clock Select */ +#define REG_GPIO_CTRL CRA(0x7,0xf,0x1d) /* GPIO Control */ +#define REG_GPIO_OUT CRA(0x7,0xf,0x1e) /* GPIO Out */ +#define REG_GPIO_IN CRA(0x7,0xf,0x1f) /* GPIO In */ +#define REG_CPU_TRANSFER_SEL CRA(0x7,0xf,0x20) /* CPU Transfer Select */ +#define REG_LOCAL_DATA CRA(0x7,0xf,0xfe) /* Local CPU Data Register */ +#define REG_LOCAL_STATUS CRA(0x7,0xf,0xff) /* Local CPU Status Register */ + +/* Aggregator registers */ +#define REG_AGGR_SETUP CRA(0x7,0x1,0x00) /* Aggregator Setup */ +#define REG_PMAP_TABLE CRA(0x7,0x1,0x01) /* Port map table */ +#define REG_MPLS_BIT0 CRA(0x7,0x1,0x08) /* MPLS bit0 position */ +#define REG_MPLS_BIT1 CRA(0x7,0x1,0x09) /* MPLS bit1 position */ +#define REG_MPLS_BIT2 CRA(0x7,0x1,0x0a) /* MPLS bit2 position */ +#define REG_MPLS_BIT3 CRA(0x7,0x1,0x0b) /* MPLS bit3 position */ +#define REG_MPLS_BITMASK CRA(0x7,0x1,0x0c) /* MPLS bit mask */ +#define REG_PRE_BIT0POS CRA(0x7,0x1,0x10) /* Preamble bit0 position */ +#define REG_PRE_BIT1POS CRA(0x7,0x1,0x11) /* Preamble bit1 position */ +#define REG_PRE_BIT2POS CRA(0x7,0x1,0x12) /* Preamble bit2 position */ +#define REG_PRE_BIT3POS CRA(0x7,0x1,0x13) /* Preamble bit3 position */ +#define REG_PRE_ERR_CNT CRA(0x7,0x1,0x14) /* Preamble parity error count */ + +/* BIST registers */ +/*#define REG_RAM_BIST_CMD CRA(0x7,0x2,0x00)*/ /* RAM BIST Command Register */ +/*#define REG_RAM_BIST_RESULT CRA(0x7,0x2,0x01)*/ /* RAM BIST Read Status/Result */ +#define REG_RAM_BIST_CMD CRA(0x7,0x1,0x00) /* RAM BIST Command Register */ +#define REG_RAM_BIST_RESULT CRA(0x7,0x1,0x01) /* RAM BIST Read Status/Result */ +#define BIST_PORT_SELECT 0x00 /* BIST port select */ +#define BIST_COMMAND 0x01 /* BIST enable/disable */ +#define BIST_STATUS 0x02 /* BIST operation status */ +#define BIST_ERR_CNT_LSB 0x03 /* BIST error count lo 8b */ +#define BIST_ERR_CNT_MSB 0x04 /* BIST error count hi 8b */ +#define BIST_ERR_SEL_LSB 0x05 /* BIST error select lo 8b */ +#define BIST_ERR_SEL_MSB 0x06 /* BIST error select hi 8b */ +#define BIST_ERROR_STATE 0x07 /* BIST engine internal state */ +#define BIST_ERR_ADR0 0x08 /* BIST error address lo 8b */ +#define BIST_ERR_ADR1 0x09 /* BIST error address lomid 8b */ +#define BIST_ERR_ADR2 0x0a /* BIST error address himid 8b */ +#define BIST_ERR_ADR3 0x0b /* BIST error address hi 8b */ + +/* FIFO registers + * ie = 0 for ingress, 1 for egress + * fn = FIFO number, 0-9 + */ +#define REG_TEST(ie,fn) CRA(0x2,ie&1,0x00+fn) /* Mode & Test Register */ +#define REG_TOP_BOTTOM(ie,fn) CRA(0x2,ie&1,0x10+fn) /* FIFO Buffer Top & Bottom */ +#define REG_TAIL(ie,fn) CRA(0x2,ie&1,0x20+fn) /* FIFO Write Pointer */ +#define REG_HEAD(ie,fn) CRA(0x2,ie&1,0x30+fn) /* FIFO Read Pointer */ +#define REG_HIGH_LOW_WM(ie,fn) CRA(0x2,ie&1,0x40+fn) /* Flow Control Water Marks */ +#define REG_CT_THRHLD(ie,fn) CRA(0x2,ie&1,0x50+fn) /* Cut Through Threshold */ +#define REG_FIFO_DROP_CNT(ie,fn) CRA(0x2,ie&1,0x60+fn) /* Drop & CRC Error Counter */ +#define REG_DEBUG_BUF_CNT(ie,fn) CRA(0x2,ie&1,0x70+fn) /* Input Side Debug Counter */ +#define REG_BUCKI(fn) CRA(0x2,2,0x20+fn) /* Input Side Debug Counter */ +#define REG_BUCKE(fn) CRA(0x2,3,0x20+fn) /* Input Side Debug Counter */ + +/* Traffic shaper buckets + * ie = 0 for ingress, 1 for egress + * bn = bucket number 0-10 (yes, 11 buckets) + */ +/* OK, this one's kinda ugly. Some hardware designers are perverse. */ +#define REG_TRAFFIC_SHAPER_BUCKET(ie,bn) CRA(0x2,ie&1,0x0a + (bn>7) | ((bn&7)<<4)) +#define REG_TRAFFIC_SHAPER_CONTROL(ie) CRA(0x2,ie&1,0x3b) + +#define REG_SRAM_ADR(ie) CRA(0x2,ie&1,0x0e) /* FIFO SRAM address */ +#define REG_SRAM_WR_STRB(ie) CRA(0x2,ie&1,0x1e) /* FIFO SRAM write strobe */ +#define REG_SRAM_RD_STRB(ie) CRA(0x2,ie&1,0x2e) /* FIFO SRAM read strobe */ +#define REG_SRAM_DATA_0(ie) CRA(0x2,ie&1,0x3e) /* FIFO SRAM data lo 8b */ +#define REG_SRAM_DATA_1(ie) CRA(0x2,ie&1,0x4e) /* FIFO SRAM data lomid 8b */ +#define REG_SRAM_DATA_2(ie) CRA(0x2,ie&1,0x5e) /* FIFO SRAM data himid 8b */ +#define REG_SRAM_DATA_3(ie) CRA(0x2,ie&1,0x6e) /* FIFO SRAM data hi 8b */ +#define REG_SRAM_DATA_BLK_TYPE(ie) CRA(0x2,ie&1,0x7e) /* FIFO SRAM tag */ +/* REG_ING_CONTROL equals REG_CONTROL with ie = 0, likewise REG_EGR_CONTROL is ie = 1 */ +#define REG_CONTROL(ie) CRA(0x2,ie&1,0x0f) /* FIFO control */ +#define REG_ING_CONTROL CRA(0x2,0x0,0x0f) /* Ingress control (alias) */ +#define REG_EGR_CONTROL CRA(0x2,0x1,0x0f) /* Egress control (alias) */ +#define REG_AGE_TIMER(ie) CRA(0x2,ie&1,0x1f) /* Aging timer */ +#define REG_AGE_INC(ie) CRA(0x2,ie&1,0x2f) /* Aging increment */ +#define DEBUG_OUT(ie) CRA(0x2,ie&1,0x3f) /* Output debug counter control */ +#define DEBUG_CNT(ie) CRA(0x2,ie&1,0x4f) /* Output debug counter */ + +/* SPI4 interface */ +#define REG_SPI4_MISC CRA(0x5,0x0,0x00) /* Misc Register */ +#define REG_SPI4_STATUS CRA(0x5,0x0,0x01) /* CML Status */ +#define REG_SPI4_ING_SETUP0 CRA(0x5,0x0,0x02) /* Ingress Status Channel Setup */ +#define REG_SPI4_ING_SETUP1 CRA(0x5,0x0,0x03) /* Ingress Data Training Setup */ +#define REG_SPI4_ING_SETUP2 CRA(0x5,0x0,0x04) /* Ingress Data Burst Size Setup */ +#define REG_SPI4_EGR_SETUP0 CRA(0x5,0x0,0x05) /* Egress Status Channel Setup */ +#define REG_SPI4_DBG_CNT(n) CRA(0x5,0x0,0x10+n) /* Debug counters 0-9 */ +#define REG_SPI4_DBG_SETUP CRA(0x5,0x0,0x1A) /* Debug counters setup */ +#define REG_SPI4_TEST CRA(0x5,0x0,0x20) /* Test Setup Register */ +#define REG_TPGEN_UP0 CRA(0x5,0x0,0x21) /* Test Pattern generator user pattern 0 */ +#define REG_TPGEN_UP1 CRA(0x5,0x0,0x22) /* Test Pattern generator user pattern 1 */ +#define REG_TPCHK_UP0 CRA(0x5,0x0,0x23) /* Test Pattern checker user pattern 0 */ +#define REG_TPCHK_UP1 CRA(0x5,0x0,0x24) /* Test Pattern checker user pattern 1 */ +#define REG_TPSAM_P0 CRA(0x5,0x0,0x25) /* Sampled pattern 0 */ +#define REG_TPSAM_P1 CRA(0x5,0x0,0x26) /* Sampled pattern 1 */ +#define REG_TPERR_CNT CRA(0x5,0x0,0x27) /* Pattern checker error counter */ +#define REG_SPI4_STICKY CRA(0x5,0x0,0x30) /* Sticky bits register */ +#define REG_SPI4_DBG_INH CRA(0x5,0x0,0x31) /* Core egress & ingress inhibit */ +#define REG_SPI4_DBG_STATUS CRA(0x5,0x0,0x32) /* Sampled ingress status */ +#define REG_SPI4_DBG_GRANT CRA(0x5,0x0,0x33) /* Ingress cranted credit value */ + +#define REG_SPI4_DESKEW CRA(0x5,0x0,0x43) /* Ingress cranted credit value */ + +/* 10GbE MAC Block Registers */ +/* Note that those registers that are exactly the same for 10GbE as for + * tri-speed are only defined with the version that needs a port number. + * Pass 0xa in those cases. + * + * Also note that despite the presence of a MAC address register, this part + * does no ingress MAC address filtering. That register is used only for + * pause frame detection and generation. + */ +/* 10GbE specific, and different from tri-speed */ +#define REG_MISC_10G CRA(0x1,0xa,0x00) /* Misc 10GbE setup */ +#define REG_PAUSE_10G CRA(0x1,0xa,0x01) /* Pause register */ +#define REG_NORMALIZER_10G CRA(0x1,0xa,0x05) /* 10G normalizer */ +#define REG_STICKY_RX CRA(0x1,0xa,0x06) /* RX debug register */ +#define REG_DENORM_10G CRA(0x1,0xa,0x07) /* Denormalizer */ +#define REG_STICKY_TX CRA(0x1,0xa,0x08) /* TX sticky bits */ +#define REG_MAX_RXHIGH CRA(0x1,0xa,0x0a) /* XGMII lane 0-3 debug */ +#define REG_MAX_RXLOW CRA(0x1,0xa,0x0b) /* XGMII lane 4-7 debug */ +#define REG_MAC_TX_STICKY CRA(0x1,0xa,0x0c) /* MAC Tx state sticky debug */ +#define REG_MAC_TX_RUNNING CRA(0x1,0xa,0x0d) /* MAC Tx state running debug */ +#define REG_TX_ABORT_AGE CRA(0x1,0xa,0x14) /* Aged Tx frames discarded */ +#define REG_TX_ABORT_SHORT CRA(0x1,0xa,0x15) /* Short Tx frames discarded */ +#define REG_TX_ABORT_TAXI CRA(0x1,0xa,0x16) /* Taxi error frames discarded */ +#define REG_TX_ABORT_UNDERRUN CRA(0x1,0xa,0x17) /* Tx Underrun abort counter */ +#define REG_TX_DENORM_DISCARD CRA(0x1,0xa,0x18) /* Tx denormalizer discards */ +#define REG_XAUI_STAT_A CRA(0x1,0xa,0x20) /* XAUI status A */ +#define REG_XAUI_STAT_B CRA(0x1,0xa,0x21) /* XAUI status B */ +#define REG_XAUI_STAT_C CRA(0x1,0xa,0x22) /* XAUI status C */ +#define REG_XAUI_CONF_A CRA(0x1,0xa,0x23) /* XAUI configuration A */ +#define REG_XAUI_CONF_B CRA(0x1,0xa,0x24) /* XAUI configuration B */ +#define REG_XAUI_CODE_GRP_CNT CRA(0x1,0xa,0x25) /* XAUI code group error count */ +#define REG_XAUI_CONF_TEST_A CRA(0x1,0xa,0x26) /* XAUI test register A */ +#define REG_PDERRCNT CRA(0x1,0xa,0x27) /* XAUI test register B */ + +/* pn = port number 0-9 for tri-speed, 10 for 10GbE */ +/* Both tri-speed and 10GbE */ +#define REG_MAX_LEN(pn) CRA(0x1,pn,0x02) /* Max length */ +#define REG_MAC_HIGH_ADDR(pn) CRA(0x1,pn,0x03) /* Upper 24 bits of MAC addr */ +#define REG_MAC_LOW_ADDR(pn) CRA(0x1,pn,0x04) /* Lower 24 bits of MAC addr */ + +/* tri-speed only + * pn = port number, 0-9 + */ +#define REG_MODE_CFG(pn) CRA(0x1,pn,0x00) /* Mode configuration */ +#define REG_PAUSE_CFG(pn) CRA(0x1,pn,0x01) /* Pause configuration */ +#define REG_NORMALIZER(pn) CRA(0x1,pn,0x05) /* Normalizer */ +#define REG_TBI_STATUS(pn) CRA(0x1,pn,0x06) /* TBI status */ +#define REG_PCS_STATUS_DBG(pn) CRA(0x1,pn,0x07) /* PCS status debug */ +#define REG_PCS_CTRL(pn) CRA(0x1,pn,0x08) /* PCS control */ +#define REG_TBI_CONFIG(pn) CRA(0x1,pn,0x09) /* TBI configuration */ +#define REG_STICK_BIT(pn) CRA(0x1,pn,0x0a) /* Sticky bits */ +#define REG_DEV_SETUP(pn) CRA(0x1,pn,0x0b) /* MAC clock/reset setup */ +#define REG_DROP_CNT(pn) CRA(0x1,pn,0x0c) /* Drop counter */ +#define REG_PORT_POS(pn) CRA(0x1,pn,0x0d) /* Preamble port position */ +#define REG_PORT_FAIL(pn) CRA(0x1,pn,0x0e) /* Preamble port position */ +#define REG_SERDES_CONF(pn) CRA(0x1,pn,0x0f) /* SerDes configuration */ +#define REG_SERDES_TEST(pn) CRA(0x1,pn,0x10) /* SerDes test */ +#define REG_SERDES_STAT(pn) CRA(0x1,pn,0x11) /* SerDes status */ +#define REG_SERDES_COM_CNT(pn) CRA(0x1,pn,0x12) /* SerDes comma counter */ +#define REG_DENORM(pn) CRA(0x1,pn,0x15) /* Frame denormalization */ +#define REG_DBG(pn) CRA(0x1,pn,0x16) /* Device 1G debug */ +#define REG_TX_IFG(pn) CRA(0x1,pn,0x18) /* Tx IFG config */ +#define REG_HDX(pn) CRA(0x1,pn,0x19) /* Half-duplex config */ + +/* Statistics */ +/* pn = port number, 0-a, a = 10GbE */ +#define REG_RX_IN_BYTES(pn) CRA(0x4,pn,0x00) /* # Rx in octets */ +#define REG_RX_SYMBOL_CARRIER(pn) CRA(0x4,pn,0x01) /* Frames w/ symbol errors */ +#define REG_RX_PAUSE(pn) CRA(0x4,pn,0x02) /* # pause frames received */ +#define REG_RX_UNSUP_OPCODE(pn) CRA(0x4,pn,0x03) /* # control frames with unsupported opcode */ +#define REG_RX_OK_BYTES(pn) CRA(0x4,pn,0x04) /* # octets in good frames */ +#define REG_RX_BAD_BYTES(pn) CRA(0x4,pn,0x05) /* # octets in bad frames */ +#define REG_RX_UNICAST(pn) CRA(0x4,pn,0x06) /* # good unicast frames */ +#define REG_RX_MULTICAST(pn) CRA(0x4,pn,0x07) /* # good multicast frames */ +#define REG_RX_BROADCAST(pn) CRA(0x4,pn,0x08) /* # good broadcast frames */ +#define REG_CRC(pn) CRA(0x4,pn,0x09) /* # frames w/ bad CRC only */ +#define REG_RX_ALIGNMENT(pn) CRA(0x4,pn,0x0a) /* # frames w/ alignment err */ +#define REG_RX_UNDERSIZE(pn) CRA(0x4,pn,0x0b) /* # frames undersize */ +#define REG_RX_FRAGMENTS(pn) CRA(0x4,pn,0x0c) /* # frames undersize w/ crc err */ +#define REG_RX_IN_RANGE_LENGTH_ERROR(pn) CRA(0x4,pn,0x0d) /* # frames with length error */ +#define REG_RX_OUT_OF_RANGE_ERROR(pn) CRA(0x4,pn,0x0e) /* # frames with illegal length field */ +#define REG_RX_OVERSIZE(pn) CRA(0x4,pn,0x0f) /* # frames oversize */ +#define REG_RX_JABBERS(pn) CRA(0x4,pn,0x10) /* # frames oversize w/ crc err */ +#define REG_RX_SIZE_64(pn) CRA(0x4,pn,0x11) /* # frames 64 octets long */ +#define REG_RX_SIZE_65_TO_127(pn) CRA(0x4,pn,0x12) /* # frames 65-127 octets */ +#define REG_RX_SIZE_128_TO_255(pn) CRA(0x4,pn,0x13) /* # frames 128-255 */ +#define REG_RX_SIZE_256_TO_511(pn) CRA(0x4,pn,0x14) /* # frames 256-511 */ +#define REG_RX_SIZE_512_TO_1023(pn) CRA(0x4,pn,0x15) /* # frames 512-1023 */ +#define REG_RX_SIZE_1024_TO_1518(pn) CRA(0x4,pn,0x16) /* # frames 1024-1518 */ +#define REG_RX_SIZE_1519_TO_MAX(pn) CRA(0x4,pn,0x17) /* # frames 1519-max */ + +#define REG_TX_OUT_BYTES(pn) CRA(0x4,pn,0x18) /* # octets tx */ +#define REG_TX_PAUSE(pn) CRA(0x4,pn,0x19) /* # pause frames sent */ +#define REG_TX_OK_BYTES(pn) CRA(0x4,pn,0x1a) /* # octets tx OK */ +#define REG_TX_UNICAST(pn) CRA(0x4,pn,0x1b) /* # frames unicast */ +#define REG_TX_MULTICAST(pn) CRA(0x4,pn,0x1c) /* # frames multicast */ +#define REG_TX_BROADCAST(pn) CRA(0x4,pn,0x1d) /* # frames broadcast */ +#define REG_TX_MULTIPLE_COLL(pn) CRA(0x4,pn,0x1e) /* # frames tx after multiple collisions */ +#define REG_TX_LATE_COLL(pn) CRA(0x4,pn,0x1f) /* # late collisions detected */ +#define REG_TX_XCOLL(pn) CRA(0x4,pn,0x20) /* # frames lost, excessive collisions */ +#define REG_TX_DEFER(pn) CRA(0x4,pn,0x21) /* # frames deferred on first tx attempt */ +#define REG_TX_XDEFER(pn) CRA(0x4,pn,0x22) /* # frames excessively deferred */ +#define REG_TX_CSENSE(pn) CRA(0x4,pn,0x23) /* carrier sense errors at frame end */ +#define REG_TX_SIZE_64(pn) CRA(0x4,pn,0x24) /* # frames 64 octets long */ +#define REG_TX_SIZE_65_TO_127(pn) CRA(0x4,pn,0x25) /* # frames 65-127 octets */ +#define REG_TX_SIZE_128_TO_255(pn) CRA(0x4,pn,0x26) /* # frames 128-255 */ +#define REG_TX_SIZE_256_TO_511(pn) CRA(0x4,pn,0x27) /* # frames 256-511 */ +#define REG_TX_SIZE_512_TO_1023(pn) CRA(0x4,pn,0x28) /* # frames 512-1023 */ +#define REG_TX_SIZE_1024_TO_1518(pn) CRA(0x4,pn,0x29) /* # frames 1024-1518 */ +#define REG_TX_SIZE_1519_TO_MAX(pn) CRA(0x4,pn,0x2a) /* # frames 1519-max */ +#define REG_TX_SINGLE_COLL(pn) CRA(0x4,pn,0x2b) /* # frames tx after single collision */ +#define REG_TX_BACKOFF2(pn) CRA(0x4,pn,0x2c) /* # frames tx ok after 2 backoffs/collisions */ +#define REG_TX_BACKOFF3(pn) CRA(0x4,pn,0x2d) /* after 3 backoffs/collisions */ +#define REG_TX_BACKOFF4(pn) CRA(0x4,pn,0x2e) /* after 4 */ +#define REG_TX_BACKOFF5(pn) CRA(0x4,pn,0x2f) /* after 5 */ +#define REG_TX_BACKOFF6(pn) CRA(0x4,pn,0x30) /* after 6 */ +#define REG_TX_BACKOFF7(pn) CRA(0x4,pn,0x31) /* after 7 */ +#define REG_TX_BACKOFF8(pn) CRA(0x4,pn,0x32) /* after 8 */ +#define REG_TX_BACKOFF9(pn) CRA(0x4,pn,0x33) /* after 9 */ +#define REG_TX_BACKOFF10(pn) CRA(0x4,pn,0x34) /* after 10 */ +#define REG_TX_BACKOFF11(pn) CRA(0x4,pn,0x35) /* after 11 */ +#define REG_TX_BACKOFF12(pn) CRA(0x4,pn,0x36) /* after 12 */ +#define REG_TX_BACKOFF13(pn) CRA(0x4,pn,0x37) /* after 13 */ +#define REG_TX_BACKOFF14(pn) CRA(0x4,pn,0x38) /* after 14 */ +#define REG_TX_BACKOFF15(pn) CRA(0x4,pn,0x39) /* after 15 */ +#define REG_TX_UNDERRUN(pn) CRA(0x4,pn,0x3a) /* # frames dropped from underrun */ +#define REG_RX_XGMII_PROT_ERR CRA(0x4,0xa,0x3b) /* # protocol errors detected on XGMII interface */ +#define REG_RX_IPG_SHRINK(pn) CRA(0x4,pn,0x3c) /* # of IPG shrinks detected */ + +#define REG_STAT_STICKY1G(pn) CRA(0x4,pn,0x3e) /* tri-speed sticky bits */ +#define REG_STAT_STICKY10G CRA(0x4,0xa,0x3e) /* 10GbE sticky bits */ +#define REG_STAT_INIT(pn) CRA(0x4,pn,0x3f) /* Clear all statistics */ + +/* MII-Management Block registers */ +/* These are for MII-M interface 0, which is the bidirectional LVTTL one. If + * we hooked up to the one with separate directions, the middle 0x0 needs to + * change to 0x1. And the current errata states that MII-M 1 doesn't work. + */ + +#define REG_MIIM_STATUS CRA(0x3,0x0,0x00) /* MII-M Status */ +#define REG_MIIM_CMD CRA(0x3,0x0,0x01) /* MII-M Command */ +#define REG_MIIM_DATA CRA(0x3,0x0,0x02) /* MII-M Data */ +#define REG_MIIM_PRESCALE CRA(0x3,0x0,0x03) /* MII-M MDC Prescale */ + +#define REG_ING_FFILT_UM_EN CRA(0x2, 0, 0xd) +#define REG_ING_FFILT_BE_EN CRA(0x2, 0, 0x1d) +#define REG_ING_FFILT_VAL0 CRA(0x2, 0, 0x2d) +#define REG_ING_FFILT_VAL1 CRA(0x2, 0, 0x3d) +#define REG_ING_FFILT_MASK0 CRA(0x2, 0, 0x4d) +#define REG_ING_FFILT_MASK1 CRA(0x2, 0, 0x5d) +#define REG_ING_FFILT_MASK2 CRA(0x2, 0, 0x6d) +#define REG_ING_FFILT_ETYPE CRA(0x2, 0, 0x7d) + + +/* Whew. */ + +#endif -- cgit v1.2.3 From 352c417ddb593de757f0ee1fa490cb5444778c41 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:17 -0800 Subject: [PATCH] chelsio: add 1G swcixw aupport Add support for 1G versions of Chelsio devices. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 7 + drivers/net/chelsio/Makefile | 1 + drivers/net/chelsio/common.h | 2 + drivers/net/chelsio/cxgb2.c | 1 + drivers/net/chelsio/ixf1010.c | 485 +++++++++++++++++++++++++ drivers/net/chelsio/mac.c | 368 +++++++++++++++++++ drivers/net/chelsio/mv88e1xxx.c | 397 +++++++++++++++++++++ drivers/net/chelsio/subr.c | 221 ++++++++++++ drivers/net/chelsio/tp.c | 33 ++ drivers/net/chelsio/vsc7326.c | 725 ++++++++++++++++++++++++++++++++++++++ drivers/net/chelsio/vsc8244.c | 368 +++++++++++++++++++ drivers/net/chelsio/vsc8244_reg.h | 172 +++++++++ 12 files changed, 2780 insertions(+) create mode 100644 drivers/net/chelsio/ixf1010.c create mode 100644 drivers/net/chelsio/mac.c create mode 100644 drivers/net/chelsio/mv88e1xxx.c create mode 100644 drivers/net/chelsio/vsc7326.c create mode 100644 drivers/net/chelsio/vsc8244.c create mode 100644 drivers/net/chelsio/vsc8244_reg.h (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 2f10dd554e3..ee391f29dae 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2376,6 +2376,13 @@ config CHELSIO_T1 To compile this driver as a module, choose M here: the module will be called cxgb. +config CHELSIO_T1_1G + bool "Chelsio gigabit Ethernet support" + depends on CHELSIO_T1 + help + Enables support for Chelsio's gigabit Ethernet PCI cards. If you + are using only 10G cards say 'N' here. + config EHEA tristate "eHEA Ethernet support" depends on IBMEBUS diff --git a/drivers/net/chelsio/Makefile b/drivers/net/chelsio/Makefile index 6d87316e58c..382d23f810a 100644 --- a/drivers/net/chelsio/Makefile +++ b/drivers/net/chelsio/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_CHELSIO_T1) += cxgb.o +cxgb-$(CONFIG_CHELSIO_T1_1G) += ixf1010.o mac.o mv88e1xxx.o vsc7326.o vsc8244.o cxgb-objs := cxgb2.o espi.o tp.o pm3393.o sge.o subr.o \ mv88x201x.o my3126.o $(cxgb-y) diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index e4e59d2d410..55f1eaad115 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -283,6 +283,8 @@ struct adapter { spinlock_t tpi_lock; spinlock_t work_lock; + spinlock_t mac_lock; + /* guards async operations */ spinlock_t async_lock ____cacheline_aligned; u32 slow_intr_mask; diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index a8c873b0af5..571aa06ddfd 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -1094,6 +1094,7 @@ static int __devinit init_one(struct pci_dev *pdev, spin_lock_init(&adapter->tpi_lock); spin_lock_init(&adapter->work_lock); spin_lock_init(&adapter->async_lock); + spin_lock_init(&adapter->mac_lock); INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task, adapter); diff --git a/drivers/net/chelsio/ixf1010.c b/drivers/net/chelsio/ixf1010.c new file mode 100644 index 00000000000..5b8f144e83d --- /dev/null +++ b/drivers/net/chelsio/ixf1010.c @@ -0,0 +1,485 @@ +/* $Date: 2005/11/12 02:13:49 $ $RCSfile: ixf1010.c,v $ $Revision: 1.36 $ */ +#include "gmac.h" +#include "elmer0.h" + +/* Update fast changing statistics every 15 seconds */ +#define STATS_TICK_SECS 15 +/* 30 minutes for full statistics update */ +#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS) + +/* + * The IXF1010 can handle frames up to 16383 bytes but it's optimized for + * frames up to 9831 (0x2667) bytes, so we limit jumbo frame size to this. + * This length includes ethernet header and FCS. + */ +#define MAX_FRAME_SIZE 0x2667 + +/* MAC registers */ +enum { + /* Per-port registers */ + REG_MACADDR_LOW = 0, + REG_MACADDR_HIGH = 0x4, + REG_FDFC_TYPE = 0xC, + REG_FC_TX_TIMER_VALUE = 0x1c, + REG_IPG_RX_TIME1 = 0x28, + REG_IPG_RX_TIME2 = 0x2c, + REG_IPG_TX_TIME = 0x30, + REG_PAUSE_THRES = 0x38, + REG_MAX_FRAME_SIZE = 0x3c, + REG_RGMII_SPEED = 0x40, + REG_FC_ENABLE = 0x48, + REG_DISCARD_CTRL_FRAMES = 0x54, + REG_DIVERSE_CONFIG = 0x60, + REG_RX_FILTER = 0x64, + REG_MC_ADDR_LOW = 0x68, + REG_MC_ADDR_HIGH = 0x6c, + + REG_RX_OCTETS_OK = 0x80, + REG_RX_OCTETS_BAD = 0x84, + REG_RX_UC_PKTS = 0x88, + REG_RX_MC_PKTS = 0x8c, + REG_RX_BC_PKTS = 0x90, + REG_RX_FCS_ERR = 0xb0, + REG_RX_TAGGED = 0xb4, + REG_RX_DATA_ERR = 0xb8, + REG_RX_ALIGN_ERR = 0xbc, + REG_RX_LONG_ERR = 0xc0, + REG_RX_JABBER_ERR = 0xc4, + REG_RX_PAUSE_FRAMES = 0xc8, + REG_RX_UNKNOWN_CTRL_FRAMES = 0xcc, + REG_RX_VERY_LONG_ERR = 0xd0, + REG_RX_RUNT_ERR = 0xd4, + REG_RX_SHORT_ERR = 0xd8, + REG_RX_SYMBOL_ERR = 0xe4, + + REG_TX_OCTETS_OK = 0x100, + REG_TX_OCTETS_BAD = 0x104, + REG_TX_UC_PKTS = 0x108, + REG_TX_MC_PKTS = 0x10c, + REG_TX_BC_PKTS = 0x110, + REG_TX_EXCESSIVE_LEN_DROP = 0x14c, + REG_TX_UNDERRUN = 0x150, + REG_TX_TAGGED = 0x154, + REG_TX_PAUSE_FRAMES = 0x15C, + + /* Global registers */ + REG_PORT_ENABLE = 0x1400, + + REG_JTAG_ID = 0x1430, + + RX_FIFO_HIGH_WATERMARK_BASE = 0x1600, + RX_FIFO_LOW_WATERMARK_BASE = 0x1628, + RX_FIFO_FRAMES_REMOVED_BASE = 0x1650, + + REG_RX_ERR_DROP = 0x167c, + REG_RX_FIFO_OVERFLOW_EVENT = 0x1680, + + TX_FIFO_HIGH_WATERMARK_BASE = 0x1800, + TX_FIFO_LOW_WATERMARK_BASE = 0x1828, + TX_FIFO_XFER_THRES_BASE = 0x1850, + + REG_TX_FIFO_OVERFLOW_EVENT = 0x1878, + REG_TX_FIFO_OOS_EVENT = 0x1884, + + TX_FIFO_FRAMES_REMOVED_BASE = 0x1888, + + REG_SPI_RX_BURST = 0x1c00, + REG_SPI_RX_TRAINING = 0x1c04, + REG_SPI_RX_CALENDAR = 0x1c08, + REG_SPI_TX_SYNC = 0x1c0c +}; + +enum { /* RMON registers */ + REG_RxOctetsTotalOK = 0x80, + REG_RxOctetsBad = 0x84, + REG_RxUCPkts = 0x88, + REG_RxMCPkts = 0x8c, + REG_RxBCPkts = 0x90, + REG_RxJumboPkts = 0xac, + REG_RxFCSErrors = 0xb0, + REG_RxDataErrors = 0xb8, + REG_RxAlignErrors = 0xbc, + REG_RxLongErrors = 0xc0, + REG_RxJabberErrors = 0xc4, + REG_RxPauseMacControlCounter = 0xc8, + REG_RxVeryLongErrors = 0xd0, + REG_RxRuntErrors = 0xd4, + REG_RxShortErrors = 0xd8, + REG_RxSequenceErrors = 0xe0, + REG_RxSymbolErrors = 0xe4, + + REG_TxOctetsTotalOK = 0x100, + REG_TxOctetsBad = 0x104, + REG_TxUCPkts = 0x108, + REG_TxMCPkts = 0x10c, + REG_TxBCPkts = 0x110, + REG_TxJumboPkts = 0x12C, + REG_TxTotalCollisions = 0x134, + REG_TxExcessiveLengthDrop = 0x14c, + REG_TxUnderrun = 0x150, + REG_TxCRCErrors = 0x158, + REG_TxPauseFrames = 0x15c +}; + +enum { + DIVERSE_CONFIG_PAD_ENABLE = 0x80, + DIVERSE_CONFIG_CRC_ADD = 0x40 +}; + +#define MACREG_BASE 0 +#define MACREG(mac, mac_reg) ((mac)->instance->mac_base + (mac_reg)) + +struct _cmac_instance { + u32 mac_base; + u32 index; + u32 version; + u32 ticks; +}; + +static void disable_port(struct cmac *mac) +{ + u32 val; + + t1_tpi_read(mac->adapter, REG_PORT_ENABLE, &val); + val &= ~(1 << mac->instance->index); + t1_tpi_write(mac->adapter, REG_PORT_ENABLE, val); +} + +#define RMON_UPDATE(mac, name, stat_name) \ + t1_tpi_read((mac)->adapter, MACREG(mac, REG_##name), &val); \ + (mac)->stats.stat_name += val; + +/* + * Read the current values of the RMON counters and add them to the cumulative + * port statistics. The HW RMON counters are cleared by this operation. + */ +static void port_stats_update(struct cmac *mac) +{ + u32 val; + + /* Rx stats */ + RMON_UPDATE(mac, RxOctetsTotalOK, RxOctetsOK); + RMON_UPDATE(mac, RxOctetsBad, RxOctetsBad); + RMON_UPDATE(mac, RxUCPkts, RxUnicastFramesOK); + RMON_UPDATE(mac, RxMCPkts, RxMulticastFramesOK); + RMON_UPDATE(mac, RxBCPkts, RxBroadcastFramesOK); + RMON_UPDATE(mac, RxJumboPkts, RxJumboFramesOK); + RMON_UPDATE(mac, RxFCSErrors, RxFCSErrors); + RMON_UPDATE(mac, RxAlignErrors, RxAlignErrors); + RMON_UPDATE(mac, RxLongErrors, RxFrameTooLongErrors); + RMON_UPDATE(mac, RxVeryLongErrors, RxFrameTooLongErrors); + RMON_UPDATE(mac, RxPauseMacControlCounter, RxPauseFrames); + RMON_UPDATE(mac, RxDataErrors, RxDataErrors); + RMON_UPDATE(mac, RxJabberErrors, RxJabberErrors); + RMON_UPDATE(mac, RxRuntErrors, RxRuntErrors); + RMON_UPDATE(mac, RxShortErrors, RxRuntErrors); + RMON_UPDATE(mac, RxSequenceErrors, RxSequenceErrors); + RMON_UPDATE(mac, RxSymbolErrors, RxSymbolErrors); + + /* Tx stats (skip collision stats as we are full-duplex only) */ + RMON_UPDATE(mac, TxOctetsTotalOK, TxOctetsOK); + RMON_UPDATE(mac, TxOctetsBad, TxOctetsBad); + RMON_UPDATE(mac, TxUCPkts, TxUnicastFramesOK); + RMON_UPDATE(mac, TxMCPkts, TxMulticastFramesOK); + RMON_UPDATE(mac, TxBCPkts, TxBroadcastFramesOK); + RMON_UPDATE(mac, TxJumboPkts, TxJumboFramesOK); + RMON_UPDATE(mac, TxPauseFrames, TxPauseFrames); + RMON_UPDATE(mac, TxExcessiveLengthDrop, TxLengthErrors); + RMON_UPDATE(mac, TxUnderrun, TxUnderrun); + RMON_UPDATE(mac, TxCRCErrors, TxFCSErrors); +} + +/* No-op interrupt operation as this MAC does not support interrupts */ +static int mac_intr_op(struct cmac *mac) +{ + return 0; +} + +/* Expect MAC address to be in network byte order. */ +static int mac_set_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + + addr_lo = addr[2]; + addr_lo = (addr_lo << 8) | addr[3]; + addr_lo = (addr_lo << 8) | addr[4]; + addr_lo = (addr_lo << 8) | addr[5]; + + addr_hi = addr[0]; + addr_hi = (addr_hi << 8) | addr[1]; + + t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_LOW), addr_lo); + t1_tpi_write(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), addr_hi); + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + + t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_LOW), &addr_lo); + t1_tpi_read(mac->adapter, MACREG(mac, REG_MACADDR_HIGH), &addr_hi); + + addr[0] = (u8) (addr_hi >> 8); + addr[1] = (u8) addr_hi; + addr[2] = (u8) (addr_lo >> 24); + addr[3] = (u8) (addr_lo >> 16); + addr[4] = (u8) (addr_lo >> 8); + addr[5] = (u8) addr_lo; + return 0; +} + +/* This is intended to reset a port, not the whole MAC */ +static int mac_reset(struct cmac *mac) +{ + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 val, new_mode; + adapter_t *adapter = mac->adapter; + u32 addr_lo, addr_hi; + u8 *addr; + + t1_tpi_read(adapter, MACREG(mac, REG_RX_FILTER), &val); + new_mode = val & ~7; + if (!t1_rx_mode_promisc(rm) && mac->instance->version > 0) + new_mode |= 1; /* only set if version > 0 due to erratum */ + if (!t1_rx_mode_promisc(rm) && !t1_rx_mode_allmulti(rm) + && t1_rx_mode_mc_cnt(rm) <= 1) + new_mode |= 2; + if (new_mode != val) + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), new_mode); + switch (t1_rx_mode_mc_cnt(rm)) { + case 0: + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), 0); + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), 0); + break; + case 1: + addr = t1_get_next_mcaddr(rm); + addr_lo = (addr[2] << 24) | (addr[3] << 16) | (addr[4] << 8) | + addr[5]; + addr_hi = (addr[0] << 8) | addr[1]; + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_LOW), addr_lo); + t1_tpi_write(adapter, MACREG(mac, REG_MC_ADDR_HIGH), addr_hi); + break; + default: + break; + } + return 0; +} + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + /* MAX_FRAME_SIZE inludes header + FCS, mtu doesn't */ + if (mtu > (MAX_FRAME_SIZE - 14 - 4)) return -EINVAL; + t1_tpi_write(mac->adapter, MACREG(mac, REG_MAX_FRAME_SIZE), + mtu + 14 + 4); + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 val; + + if (speed >= 0 && speed != SPEED_100 && speed != SPEED_1000) + return -1; + if (duplex >= 0 && duplex != DUPLEX_FULL) + return -1; + + if (speed >= 0) { + val = speed == SPEED_100 ? 1 : 2; + t1_tpi_write(mac->adapter, MACREG(mac, REG_RGMII_SPEED), val); + } + + t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val); + val &= ~3; + if (fc & PAUSE_RX) + val |= 1; + if (fc & PAUSE_TX) + val |= 2; + t1_tpi_write(mac->adapter, MACREG(mac, REG_FC_ENABLE), val); + return 0; +} + +static int mac_get_speed_duplex_fc(struct cmac *mac, int *speed, int *duplex, + int *fc) +{ + u32 val; + + if (duplex) + *duplex = DUPLEX_FULL; + if (speed) { + t1_tpi_read(mac->adapter, MACREG(mac, REG_RGMII_SPEED), + &val); + *speed = (val & 2) ? SPEED_1000 : SPEED_100; + } + if (fc) { + t1_tpi_read(mac->adapter, MACREG(mac, REG_FC_ENABLE), &val); + *fc = 0; + if (val & 1) + *fc |= PAUSE_RX; + if (val & 2) + *fc |= PAUSE_TX; + } + return 0; +} + +static void enable_port(struct cmac *mac) +{ + u32 val; + u32 index = mac->instance->index; + adapter_t *adapter = mac->adapter; + + t1_tpi_read(adapter, MACREG(mac, REG_DIVERSE_CONFIG), &val); + val |= DIVERSE_CONFIG_CRC_ADD | DIVERSE_CONFIG_PAD_ENABLE; + t1_tpi_write(adapter, MACREG(mac, REG_DIVERSE_CONFIG), val); + if (mac->instance->version > 0) + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 3); + else /* Don't enable unicast address filtering due to IXF1010 bug */ + t1_tpi_write(adapter, MACREG(mac, REG_RX_FILTER), 2); + + t1_tpi_read(adapter, REG_RX_ERR_DROP, &val); + val |= (1 << index); + t1_tpi_write(adapter, REG_RX_ERR_DROP, val); + + /* + * Clear the port RMON registers by adding their current values to the + * cumulatice port stats and then clearing the stats. Really. + */ + port_stats_update(mac); + memset(&mac->stats, 0, sizeof(struct cmac_statistics)); + mac->instance->ticks = 0; + + t1_tpi_read(adapter, REG_PORT_ENABLE, &val); + val |= (1 << index); + t1_tpi_write(adapter, REG_PORT_ENABLE, val); + + index <<= 2; + if (is_T2(adapter)) { + /* T204: set the Fifo water level & threshold */ + t1_tpi_write(adapter, RX_FIFO_HIGH_WATERMARK_BASE + index, 0x740); + t1_tpi_write(adapter, RX_FIFO_LOW_WATERMARK_BASE + index, 0x730); + t1_tpi_write(adapter, TX_FIFO_HIGH_WATERMARK_BASE + index, 0x600); + t1_tpi_write(adapter, TX_FIFO_LOW_WATERMARK_BASE + index, 0x1d0); + t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x1100); + } else { + /* + * Set the TX Fifo Threshold to 0x400 instead of 0x100 to work around + * Underrun problem. Intel has blessed this solution. + */ + t1_tpi_write(adapter, TX_FIFO_XFER_THRES_BASE + index, 0x400); + } +} + +/* IXF1010 ports do not have separate enables for TX and RX */ +static int mac_enable(struct cmac *mac, int which) +{ + if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX)) + enable_port(mac); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + if (which & (MAC_DIRECTION_RX | MAC_DIRECTION_TX)) + disable_port(mac); + return 0; +} + +/* + * This function is called periodically to accumulate the current values of the + * RMON counters into the port statistics. Since the counters are only 32 bits + * some of them can overflow in less than a minute at GigE speeds, so this + * function should be called every 30 seconds or so. + * + * To cut down on reading costs we update only the octet counters at each tick + * and do a full update at major ticks, which can be every 30 minutes or more. + */ +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + if (flag == MAC_STATS_UPDATE_FULL || + MAJOR_UPDATE_TICKS <= mac->instance->ticks) { + port_stats_update(mac); + mac->instance->ticks = 0; + } else { + u32 val; + + RMON_UPDATE(mac, RxOctetsTotalOK, RxOctetsOK); + RMON_UPDATE(mac, TxOctetsTotalOK, TxOctetsOK); + mac->instance->ticks++; + } + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops ixf1010_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_enable = mac_intr_op, + .interrupt_disable = mac_intr_op, + .interrupt_clear = mac_intr_op, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .get_speed_duplex_fc = mac_get_speed_duplex_fc, + .statistics_update = mac_update_statistics, + .macaddress_get = mac_get_address, + .macaddress_set = mac_set_address, +}; + +static int ixf1010_mac_reset(adapter_t *adapter) +{ + u32 val; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + if ((val & 1) != 0) { + val &= ~1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + } + val |= 1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + + t1_tpi_write(adapter, REG_PORT_ENABLE, 0); + return 0; +} + +static struct cmac *ixf1010_mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 val; + + if (index > 9) return NULL; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) return NULL; + + mac->ops = &ixf1010_ops; + mac->instance = (cmac_instance *)(mac + 1); + + mac->instance->mac_base = MACREG_BASE + (index * 0x200); + mac->instance->index = index; + mac->adapter = adapter; + mac->instance->ticks = 0; + + t1_tpi_read(adapter, REG_JTAG_ID, &val); + mac->instance->version = val >> 28; + return mac; +} + +struct gmac t1_ixf1010_ops = { + STATS_TICK_SECS, + ixf1010_mac_create, + ixf1010_mac_reset +}; diff --git a/drivers/net/chelsio/mac.c b/drivers/net/chelsio/mac.c new file mode 100644 index 00000000000..6af39dc7045 --- /dev/null +++ b/drivers/net/chelsio/mac.c @@ -0,0 +1,368 @@ +/* $Date: 2005/10/22 00:42:59 $ $RCSfile: mac.c,v $ $Revision: 1.32 $ */ +#include "gmac.h" +#include "regs.h" +#include "fpga_defs.h" + +#define MAC_CSR_INTERFACE_GMII 0x0 +#define MAC_CSR_INTERFACE_TBI 0x1 +#define MAC_CSR_INTERFACE_MII 0x2 +#define MAC_CSR_INTERFACE_RMII 0x3 + +/* Chelsio's MAC statistics. */ +struct mac_statistics { + + /* Transmit */ + u32 TxFramesTransmittedOK; + u32 TxReserved1; + u32 TxReserved2; + u32 TxOctetsTransmittedOK; + u32 TxFramesWithDeferredXmissions; + u32 TxLateCollisions; + u32 TxFramesAbortedDueToXSCollisions; + u32 TxFramesLostDueToIntMACXmitError; + u32 TxReserved3; + u32 TxMulticastFrameXmittedOK; + u32 TxBroadcastFramesXmittedOK; + u32 TxFramesWithExcessiveDeferral; + u32 TxPAUSEMACCtrlFramesTransmitted; + + /* Receive */ + u32 RxFramesReceivedOK; + u32 RxFrameCheckSequenceErrors; + u32 RxAlignmentErrors; + u32 RxOctetsReceivedOK; + u32 RxFramesLostDueToIntMACRcvError; + u32 RxMulticastFramesReceivedOK; + u32 RxBroadcastFramesReceivedOK; + u32 RxInRangeLengthErrors; + u32 RxTxOutOfRangeLengthField; + u32 RxFrameTooLongErrors; + u32 RxPAUSEMACCtrlFramesReceived; +}; + +static int static_aPorts[] = { + FPGA_GMAC_INTERRUPT_PORT0, + FPGA_GMAC_INTERRUPT_PORT1, + FPGA_GMAC_INTERRUPT_PORT2, + FPGA_GMAC_INTERRUPT_PORT3 +}; + +struct _cmac_instance { + u32 index; +}; + +static int mac_intr_enable(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + mac_intr = readl(mac->adapter->regs + A_PL_ENABLE); + mac_intr |= FPGA_PCIX_INTERRUPT_GMAC; + writel(mac_intr, mac->adapter->regs + A_PL_ENABLE); + + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + mac_intr |= static_aPorts[mac->instance->index]; + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + } + + return 0; +} + +static int mac_intr_disable(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + mac_intr = readl(mac->adapter->regs + A_PL_ENABLE); + mac_intr &= ~FPGA_PCIX_INTERRUPT_GMAC; + writel(mac_intr, mac->adapter->regs + A_PL_ENABLE); + + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + mac_intr &= ~(static_aPorts[mac->instance->index]); + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_ENABLE); + } + + return 0; +} + +static int mac_intr_clear(struct cmac *mac) +{ + u32 mac_intr; + + if (t1_is_asic(mac->adapter)) { + /* ASIC */ + + /* We don't use the on chip MAC for ASIC products. */ + } else { + /* FPGA */ + + /* Set parent gmac interrupt. */ + writel(FPGA_PCIX_INTERRUPT_GMAC, + mac->adapter->regs + A_PL_CAUSE); + mac_intr = readl(mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + mac_intr |= (static_aPorts[mac->instance->index]); + writel(mac_intr, + mac->adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + } + + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 data32_lo, data32_hi; + + data32_lo = readl(mac->adapter->regs + + MAC_REG_IDLO(mac->instance->index)); + data32_hi = readl(mac->adapter->regs + + MAC_REG_IDHI(mac->instance->index)); + + addr[0] = (u8) ((data32_hi >> 8) & 0xFF); + addr[1] = (u8) ((data32_hi) & 0xFF); + addr[2] = (u8) ((data32_lo >> 24) & 0xFF); + addr[3] = (u8) ((data32_lo >> 16) & 0xFF); + addr[4] = (u8) ((data32_lo >> 8) & 0xFF); + addr[5] = (u8) ((data32_lo) & 0xFF); + return 0; +} + +static int mac_reset(struct cmac *mac) +{ + u32 data32; + int mac_in_reset, time_out = 100; + int idx = mac->instance->index; + + data32 = readl(mac->adapter->regs + MAC_REG_CSR(idx)); + writel(data32 | F_MAC_RESET, + mac->adapter->regs + MAC_REG_CSR(idx)); + + do { + data32 = readl(mac->adapter->regs + MAC_REG_CSR(idx)); + + mac_in_reset = data32 & F_MAC_RESET; + if (mac_in_reset) + udelay(1); + } while (mac_in_reset && --time_out); + + if (mac_in_reset) { + CH_ERR("%s: MAC %d reset timed out\n", + mac->adapter->name, idx); + return 2; + } + + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + val &= ~(F_MAC_PROMISC | F_MAC_MC_ENABLE); + val |= V_MAC_PROMISC(t1_rx_mode_promisc(rm) != 0); + val |= V_MAC_MC_ENABLE(t1_rx_mode_allmulti(rm) != 0); + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 data32; + + data32 = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + data32 &= ~(F_MAC_HALF_DUPLEX | V_MAC_SPEED(M_MAC_SPEED) | + V_INTERFACE(M_INTERFACE) | F_MAC_TX_PAUSE_ENABLE | + F_MAC_RX_PAUSE_ENABLE); + + switch (speed) { + case SPEED_10: + case SPEED_100: + data32 |= V_INTERFACE(MAC_CSR_INTERFACE_MII); + data32 |= V_MAC_SPEED(speed == SPEED_10 ? 0 : 1); + break; + case SPEED_1000: + data32 |= V_INTERFACE(MAC_CSR_INTERFACE_GMII); + data32 |= V_MAC_SPEED(2); + break; + } + + if (duplex >= 0) + data32 |= V_MAC_HALF_DUPLEX(duplex == DUPLEX_HALF); + + if (fc >= 0) { + data32 |= V_MAC_RX_PAUSE_ENABLE((fc & PAUSE_RX) != 0); + data32 |= V_MAC_TX_PAUSE_ENABLE((fc & PAUSE_TX) != 0); + } + + writel(data32, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +static int mac_enable(struct cmac *mac, int which) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + if (which & MAC_DIRECTION_RX) + val |= F_MAC_RX_ENABLE; + if (which & MAC_DIRECTION_TX) + val |= F_MAC_TX_ENABLE; + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + u32 val; + + val = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + if (which & MAC_DIRECTION_RX) + val &= ~F_MAC_RX_ENABLE; + if (which & MAC_DIRECTION_TX) + val &= ~F_MAC_TX_ENABLE; + writel(val, + mac->adapter->regs + MAC_REG_CSR(mac->instance->index)); + return 0; +} + +#if 0 +static int mac_set_ifs(struct cmac *mac, u32 mode) +{ + t1_write_reg_4(mac->adapter, + MAC_REG_IFS(mac->instance->index), + mode); + return 0; +} + +static int mac_enable_isl(struct cmac *mac) +{ + u32 data32 = readl(mac->adapter->regs + + MAC_REG_CSR(mac->instance->index)); + data32 |= F_MAC_RX_ENABLE | F_MAC_TX_ENABLE; + t1_write_reg_4(mac->adapter, + MAC_REG_CSR(mac->instance->index), + data32); + return 0; +} +#endif + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + if (mtu > 9600) + return -EINVAL; + writel(mtu + ETH_HLEN + VLAN_HLEN, + mac->adapter->regs + MAC_REG_LARGEFRAMELENGTH(mac->instance->index)); + + return 0; +} + +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + struct mac_statistics st; + u32 *p = (u32 *) & st, i; + + writel(0, + mac->adapter->regs + MAC_REG_RMCNT(mac->instance->index)); + + for (i = 0; i < sizeof(st) / sizeof(u32); i++) + *p++ = readl(mac->adapter->regs + + MAC_REG_RMDATA(mac->instance->index)); + + /* XXX convert stats */ + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops chelsio_mac_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_enable = mac_intr_enable, + .interrupt_disable = mac_intr_disable, + .interrupt_clear = mac_intr_clear, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .macaddress_get = mac_get_address, + .statistics_update = mac_update_statistics, +}; + +static struct cmac *mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 data32; + + if (index >= 4) + return NULL; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) + return NULL; + + mac->ops = &chelsio_mac_ops; + mac->instance = (cmac_instance *) (mac + 1); + + mac->instance->index = index; + mac->adapter = adapter; + + data32 = readl(adapter->regs + MAC_REG_CSR(mac->instance->index)); + data32 &= ~(F_MAC_RESET | F_MAC_PROMISC | F_MAC_PROMISC | + F_MAC_LB_ENABLE | F_MAC_RX_ENABLE | F_MAC_TX_ENABLE); + data32 |= F_MAC_JUMBO_ENABLE; + writel(data32, adapter->regs + MAC_REG_CSR(mac->instance->index)); + + /* Initialize the random backoff seed. */ + data32 = 0x55aa + (3 * index); + writel(data32, + adapter->regs + MAC_REG_GMRANDBACKOFFSEED(mac->instance->index)); + + /* Check to see if the mac address needs to be set manually. */ + data32 = readl(adapter->regs + MAC_REG_IDLO(mac->instance->index)); + if (data32 == 0 || data32 == 0xffffffff) { + /* + * Add a default MAC address if we can't read one. + */ + writel(0x43FFFFFF - index, + adapter->regs + MAC_REG_IDLO(mac->instance->index)); + writel(0x0007, + adapter->regs + MAC_REG_IDHI(mac->instance->index)); + } + + (void) mac_set_mtu(mac, 1500); + return mac; +} + +struct gmac t1_chelsio_mac_ops = { + .create = mac_create +}; diff --git a/drivers/net/chelsio/mv88e1xxx.c b/drivers/net/chelsio/mv88e1xxx.c new file mode 100644 index 00000000000..28ac93ff7c4 --- /dev/null +++ b/drivers/net/chelsio/mv88e1xxx.c @@ -0,0 +1,397 @@ +/* $Date: 2005/10/24 23:18:13 $ $RCSfile: mv88e1xxx.c,v $ $Revision: 1.49 $ */ +#include "common.h" +#include "mv88e1xxx.h" +#include "cphy.h" +#include "elmer0.h" + +/* MV88E1XXX MDI crossover register values */ +#define CROSSOVER_MDI 0 +#define CROSSOVER_MDIX 1 +#define CROSSOVER_AUTO 3 + +#define INTR_ENABLE_MASK 0x6CA0 + +/* + * Set the bits given by 'bitval' in PHY register 'reg'. + */ +static void mdio_set_bit(struct cphy *cphy, int reg, u32 bitval) +{ + u32 val; + + (void) simple_mdio_read(cphy, reg, &val); + (void) simple_mdio_write(cphy, reg, val | bitval); +} + +/* + * Clear the bits given by 'bitval' in PHY register 'reg'. + */ +static void mdio_clear_bit(struct cphy *cphy, int reg, u32 bitval) +{ + u32 val; + + (void) simple_mdio_read(cphy, reg, &val); + (void) simple_mdio_write(cphy, reg, val & ~bitval); +} + +/* + * NAME: phy_reset + * + * DESC: Reset the given PHY's port. NOTE: This is not a global + * chip reset. + * + * PARAMS: cphy - Pointer to PHY instance data. + * + * RETURN: 0 - Successfull reset. + * -1 - Timeout. + */ +static int mv88e1xxx_reset(struct cphy *cphy, int wait) +{ + u32 ctl; + int time_out = 1000; + + mdio_set_bit(cphy, MII_BMCR, BMCR_RESET); + + do { + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + ctl &= BMCR_RESET; + if (ctl) + udelay(1); + } while (ctl && --time_out); + + return ctl ? -1 : 0; +} + +static int mv88e1xxx_interrupt_enable(struct cphy *cphy) +{ + /* Enable PHY interrupts. */ + (void) simple_mdio_write(cphy, MV88E1XXX_INTERRUPT_ENABLE_REGISTER, + INTR_ENABLE_MASK); + + /* Enable Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + return 0; +} + +static int mv88e1xxx_interrupt_disable(struct cphy *cphy) +{ + /* Disable all phy interrupts. */ + (void) simple_mdio_write(cphy, MV88E1XXX_INTERRUPT_ENABLE_REGISTER, 0); + + /* Disable Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer &= ~ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer &= ~(ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4); + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + return 0; +} + +static int mv88e1xxx_interrupt_clear(struct cphy *cphy) +{ + u32 elmer; + + /* Clear PHY interrupts by reading the register. */ + (void) simple_mdio_read(cphy, + MV88E1XXX_INTERRUPT_STATUS_REGISTER, &elmer); + + /* Clear Marvell interrupts through Elmer0. */ + if (t1_is_asic(cphy->adapter)) { + t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + } + return 0; +} + +/* + * Set the PHY speed and duplex. This also disables auto-negotiation, except + * for 1Gb/s, where auto-negotiation is mandatory. + */ +static int mv88e1xxx_set_speed_duplex(struct cphy *phy, int speed, int duplex) +{ + u32 ctl; + + (void) simple_mdio_read(phy, MII_BMCR, &ctl); + if (speed >= 0) { + ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); + if (speed == SPEED_100) + ctl |= BMCR_SPEED100; + else if (speed == SPEED_1000) + ctl |= BMCR_SPEED1000; + } + if (duplex >= 0) { + ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE); + if (duplex == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + } + if (ctl & BMCR_SPEED1000) /* auto-negotiation required for 1Gb/s */ + ctl |= BMCR_ANENABLE; + (void) simple_mdio_write(phy, MII_BMCR, ctl); + return 0; +} + +static int mv88e1xxx_crossover_set(struct cphy *cphy, int crossover) +{ + u32 data32; + + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_CNTRL_REGISTER, &data32); + data32 &= ~V_PSCR_MDI_XOVER_MODE(M_PSCR_MDI_XOVER_MODE); + data32 |= V_PSCR_MDI_XOVER_MODE(crossover); + (void) simple_mdio_write(cphy, + MV88E1XXX_SPECIFIC_CNTRL_REGISTER, data32); + return 0; +} + +static int mv88e1xxx_autoneg_enable(struct cphy *cphy) +{ + u32 ctl; + + (void) mv88e1xxx_crossover_set(cphy, CROSSOVER_AUTO); + + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + /* restart autoneg for change to take effect */ + ctl |= BMCR_ANENABLE | BMCR_ANRESTART; + (void) simple_mdio_write(cphy, MII_BMCR, ctl); + return 0; +} + +static int mv88e1xxx_autoneg_disable(struct cphy *cphy) +{ + u32 ctl; + + /* + * Crossover *must* be set to manual in order to disable auto-neg. + * The Alaska FAQs document highlights this point. + */ + (void) mv88e1xxx_crossover_set(cphy, CROSSOVER_MDI); + + /* + * Must include autoneg reset when disabling auto-neg. This + * is described in the Alaska FAQ document. + */ + (void) simple_mdio_read(cphy, MII_BMCR, &ctl); + ctl &= ~BMCR_ANENABLE; + (void) simple_mdio_write(cphy, MII_BMCR, ctl | BMCR_ANRESTART); + return 0; +} + +static int mv88e1xxx_autoneg_restart(struct cphy *cphy) +{ + mdio_set_bit(cphy, MII_BMCR, BMCR_ANRESTART); + return 0; +} + +static int mv88e1xxx_advertise(struct cphy *phy, unsigned int advertise_map) +{ + u32 val = 0; + + if (advertise_map & + (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) { + (void) simple_mdio_read(phy, MII_GBCR, &val); + val &= ~(GBCR_ADV_1000HALF | GBCR_ADV_1000FULL); + if (advertise_map & ADVERTISED_1000baseT_Half) + val |= GBCR_ADV_1000HALF; + if (advertise_map & ADVERTISED_1000baseT_Full) + val |= GBCR_ADV_1000FULL; + } + (void) simple_mdio_write(phy, MII_GBCR, val); + + val = 1; + if (advertise_map & ADVERTISED_10baseT_Half) + val |= ADVERTISE_10HALF; + if (advertise_map & ADVERTISED_10baseT_Full) + val |= ADVERTISE_10FULL; + if (advertise_map & ADVERTISED_100baseT_Half) + val |= ADVERTISE_100HALF; + if (advertise_map & ADVERTISED_100baseT_Full) + val |= ADVERTISE_100FULL; + if (advertise_map & ADVERTISED_PAUSE) + val |= ADVERTISE_PAUSE; + if (advertise_map & ADVERTISED_ASYM_PAUSE) + val |= ADVERTISE_PAUSE_ASYM; + (void) simple_mdio_write(phy, MII_ADVERTISE, val); + return 0; +} + +static int mv88e1xxx_set_loopback(struct cphy *cphy, int on) +{ + if (on) + mdio_set_bit(cphy, MII_BMCR, BMCR_LOOPBACK); + else + mdio_clear_bit(cphy, MII_BMCR, BMCR_LOOPBACK); + return 0; +} + +static int mv88e1xxx_get_link_status(struct cphy *cphy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + u32 status; + int sp = -1, dplx = -1, pause = 0; + + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_STATUS_REGISTER, &status); + if ((status & V_PSSR_STATUS_RESOLVED) != 0) { + if (status & V_PSSR_RX_PAUSE) + pause |= PAUSE_RX; + if (status & V_PSSR_TX_PAUSE) + pause |= PAUSE_TX; + dplx = (status & V_PSSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF; + sp = G_PSSR_SPEED(status); + if (sp == 0) + sp = SPEED_10; + else if (sp == 1) + sp = SPEED_100; + else + sp = SPEED_1000; + } + if (link_ok) + *link_ok = (status & V_PSSR_LINK) != 0; + if (speed) + *speed = sp; + if (duplex) + *duplex = dplx; + if (fc) + *fc = pause; + return 0; +} + +static int mv88e1xxx_downshift_set(struct cphy *cphy, int downshift_enable) +{ + u32 val; + + (void) simple_mdio_read(cphy, + MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_REGISTER, &val); + + /* + * Set the downshift counter to 2 so we try to establish Gb link + * twice before downshifting. + */ + val &= ~(V_DOWNSHIFT_ENABLE | V_DOWNSHIFT_CNT(M_DOWNSHIFT_CNT)); + + if (downshift_enable) + val |= V_DOWNSHIFT_ENABLE | V_DOWNSHIFT_CNT(2); + (void) simple_mdio_write(cphy, + MV88E1XXX_EXT_PHY_SPECIFIC_CNTRL_REGISTER, val); + return 0; +} + +static int mv88e1xxx_interrupt_handler(struct cphy *cphy) +{ + int cphy_cause = 0; + u32 status; + + /* + * Loop until cause reads zero. Need to handle bouncing interrupts. + */ + while (1) { + u32 cause; + + (void) simple_mdio_read(cphy, + MV88E1XXX_INTERRUPT_STATUS_REGISTER, + &cause); + cause &= INTR_ENABLE_MASK; + if (!cause) break; + + if (cause & MV88E1XXX_INTR_LINK_CHNG) { + (void) simple_mdio_read(cphy, + MV88E1XXX_SPECIFIC_STATUS_REGISTER, &status); + + if (status & MV88E1XXX_INTR_LINK_CHNG) { + cphy->state |= PHY_LINK_UP; + } else { + cphy->state &= ~PHY_LINK_UP; + if (cphy->state & PHY_AUTONEG_EN) + cphy->state &= ~PHY_AUTONEG_RDY; + cphy_cause |= cphy_cause_link_change; + } + } + + if (cause & MV88E1XXX_INTR_AUTONEG_DONE) + cphy->state |= PHY_AUTONEG_RDY; + + if ((cphy->state & (PHY_LINK_UP | PHY_AUTONEG_RDY)) == + (PHY_LINK_UP | PHY_AUTONEG_RDY)) + cphy_cause |= cphy_cause_link_change; + } + return cphy_cause; +} + +static void mv88e1xxx_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops mv88e1xxx_ops = { + .destroy = mv88e1xxx_destroy, + .reset = mv88e1xxx_reset, + .interrupt_enable = mv88e1xxx_interrupt_enable, + .interrupt_disable = mv88e1xxx_interrupt_disable, + .interrupt_clear = mv88e1xxx_interrupt_clear, + .interrupt_handler = mv88e1xxx_interrupt_handler, + .autoneg_enable = mv88e1xxx_autoneg_enable, + .autoneg_disable = mv88e1xxx_autoneg_disable, + .autoneg_restart = mv88e1xxx_autoneg_restart, + .advertise = mv88e1xxx_advertise, + .set_loopback = mv88e1xxx_set_loopback, + .set_speed_duplex = mv88e1xxx_set_speed_duplex, + .get_link_status = mv88e1xxx_get_link_status, +}; + +static struct cphy *mv88e1xxx_phy_create(adapter_t *adapter, int phy_addr, + struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL); + + if (!cphy) return NULL; + + cphy_init(cphy, adapter, phy_addr, &mv88e1xxx_ops, mdio_ops); + + /* Configure particular PHY's to run in a different mode. */ + if ((board_info(adapter)->caps & SUPPORTED_TP) && + board_info(adapter)->chip_phy == CHBT_PHY_88E1111) { + /* + * Configure the PHY transmitter as class A to reduce EMI. + */ + (void) simple_mdio_write(cphy, + MV88E1XXX_EXTENDED_ADDR_REGISTER, 0xB); + (void) simple_mdio_write(cphy, + MV88E1XXX_EXTENDED_REGISTER, 0x8004); + } + (void) mv88e1xxx_downshift_set(cphy, 1); /* Enable downshift */ + + /* LED */ + if (is_T2(adapter)) { + (void) simple_mdio_write(cphy, + MV88E1XXX_LED_CONTROL_REGISTER, 0x1); + } + + return cphy; +} + +static int mv88e1xxx_phy_reset(adapter_t* adapter) +{ + return 0; +} + +struct gphy t1_mv88e1xxx_ops = { + mv88e1xxx_phy_create, + mv88e1xxx_phy_reset +}; diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c index d41d15a71e4..22ed9a383c0 100644 --- a/drivers/net/chelsio/subr.c +++ b/drivers/net/chelsio/subr.c @@ -185,6 +185,66 @@ static int t1_pci_intr_handler(adapter_t *adapter) return 0; } +#ifdef CONFIG_CHELSIO_T1_COUGAR +#include "cspi.h" +#endif +#ifdef CONFIG_CHELSIO_T1_1G +#include "fpga_defs.h" + +/* + * PHY interrupt handler for FPGA boards. + */ +static int fpga_phy_intr_handler(adapter_t *adapter) +{ + int p; + u32 cause = readl(adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + + for_each_port(adapter, p) + if (cause & (1 << p)) { + struct cphy *phy = adapter->port[p].phy; + int phy_cause = phy->ops->interrupt_handler(phy); + + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + writel(cause, adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + return 0; +} + +/* + * Slow path interrupt handler for FPGAs. + */ +static int fpga_slow_intr(adapter_t *adapter) +{ + u32 cause = readl(adapter->regs + A_PL_CAUSE); + + cause &= ~F_PL_INTR_SGE_DATA; + if (cause & F_PL_INTR_SGE_ERR) + t1_sge_intr_error_handler(adapter->sge); + + if (cause & FPGA_PCIX_INTERRUPT_GMAC) + fpga_phy_intr_handler(adapter); + + if (cause & FPGA_PCIX_INTERRUPT_TP) { + /* + * FPGA doesn't support MC4 interrupts and it requires + * this odd layer of indirection for MC5. + */ + u32 tp_cause = readl(adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + + /* Clear TP interrupt */ + writel(tp_cause, adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + } + if (cause & FPGA_PCIX_INTERRUPT_PCIX) + t1_pci_intr_handler(adapter); + + /* Clear the interrupts just processed. */ + if (cause) + writel(cause, adapter->regs + A_PL_CAUSE); + + return cause != 0; +} +#endif /* * Wait until Elmer's MI1 interface is ready for new operations. @@ -221,6 +281,56 @@ static void mi1_mdio_init(adapter_t *adapter, const struct board_info *bi) t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_CFG, val); } +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +/* + * Elmer MI1 MDIO read/write operations. + */ +static int mi1_mdio_read(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int *valp) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_READ); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, valp); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +static int mi1_mdio_write(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int val) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_WRITE); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +static struct mdio_ops mi1_mdio_ops = { + mi1_mdio_init, + mi1_mdio_read, + mi1_mdio_write +}; +#endif + +#endif + static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, int reg_addr, unsigned int *valp) { @@ -330,6 +440,17 @@ static struct board_info t1_board[] = { &t1_my3126_ops, &mi1_mdio_ext_ops, "Chelsio T210 1x10GBase-CX4 TOE" }, +#ifdef CONFIG_CHELSIO_T1_1G +{ CHBT_BOARD_CHN204, 4/*ports#*/, + SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + SUPPORTED_PAUSE | SUPPORTED_TP /*caps*/, CHBT_TERM_T2, CHBT_MAC_VSC7321, CHBT_PHY_88E1111, + 100000000/*clk-core*/, 0/*clk-mc3*/, 0/*clk-mc4*/, + 4/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, + 0/*mdiinv*/, 1/*mdc*/, 4/*phybaseaddr*/, &t1_vsc7326_ops, + &t1_mv88e1xxx_ops, &mi1_mdio_ops, + "Chelsio N204 4x100/1000BaseT NIC" }, +#endif }; @@ -483,6 +604,48 @@ int t1_elmer0_ext_intr_handler(adapter_t *adapter) t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); switch (board_info(adapter)->board) { +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204E: + case CHBT_BOARD_CHN204: + case CHBT_BOARD_CHT204V: { + int i, port_bit; + for_each_port(adapter, i) { + port_bit = i + 1; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + break; + } + case CHBT_BOARD_CHT101: + if (cause & ELMER0_GP_BIT1) { /* Marvell 88E1111 interrupt */ + phy = adapter->port[0].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, 0); + } + break; + case CHBT_BOARD_7500: { + int p; + /* + * Elmer0's interrupt cause isn't useful here because there is + * only one bit that can be set for all 4 ports. This means + * we are forced to check every PHY's interrupt status + * register to see who initiated the interrupt. + */ + for_each_port(adapter, p) { + phy = adapter->port[p].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + break; + } +#endif case CHBT_BOARD_CHT210: case CHBT_BOARD_N210: case CHBT_BOARD_N110: @@ -511,6 +674,30 @@ int t1_elmer0_ext_intr_handler(adapter_t *adapter) mod_detect ? "removed" : "inserted"); } break; +#ifdef CONFIG_CHELSIO_T1_COUGAR + case CHBT_BOARD_COUGAR: + if (adapter->params.nports == 1) { + if (cause & ELMER0_GP_BIT1) { /* Vitesse MAC */ + struct cmac *mac = adapter->port[0].mac; + mac->ops->interrupt_handler(mac); + } + if (cause & ELMER0_GP_BIT5) { /* XPAK MOD_DETECT */ + } + } else { + int i, port_bit; + + for_each_port(adapter, i) { + port_bit = i ? i + 1 : 0; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + } + break; +#endif } t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause); return 0; @@ -633,6 +820,10 @@ static int asic_slow_intr(adapter_t *adapter) int t1_slow_intr_handler(adapter_t *adapter) { +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(adapter)) + return fpga_slow_intr(adapter); +#endif return asic_slow_intr(adapter); } @@ -698,6 +889,21 @@ static int board_init(adapter_t *adapter, const struct board_info *bi) */ power_sequence_xpak(adapter); break; +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204E: + /* add config space write here */ + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204V: + case CHBT_BOARD_CHN204: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x804); + break; + case CHBT_BOARD_CHT101: + case CHBT_BOARD_7500: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x1804); + break; +#endif } return 0; } @@ -719,6 +925,10 @@ int t1_init_hw_modules(adapter_t *adapter) adapter->regs + A_MC5_CONFIG); } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi && t1_cspi_init(adapter->cspi)) + goto out_err; +#endif if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac, bi->espi_nports)) goto out_err; @@ -772,6 +982,10 @@ void t1_free_sw_modules(adapter_t *adapter) t1_tp_destroy(adapter->tp); if (adapter->espi) t1_espi_destroy(adapter->espi); +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi) + t1_cspi_destroy(adapter->cspi); +#endif } static void __devinit init_link_config(struct link_config *lc, @@ -791,6 +1005,13 @@ static void __devinit init_link_config(struct link_config *lc, } } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (bi->clock_cspi && !(adapter->cspi = t1_cspi_create(adapter))) { + CH_ERR("%s: CSPI initialization failed\n", + adapter->name); + goto error; + } +#endif /* * Allocate and initialize the data structures that hold the SW state of diff --git a/drivers/net/chelsio/tp.c b/drivers/net/chelsio/tp.c index 04a7073e9d1..0ca0b6e19e4 100644 --- a/drivers/net/chelsio/tp.c +++ b/drivers/net/chelsio/tp.c @@ -2,6 +2,9 @@ #include "common.h" #include "regs.h" #include "tp.h" +#ifdef CONFIG_CHELSIO_T1_1G +#include "fpga_defs.h" +#endif struct petp { adapter_t *adapter; @@ -70,6 +73,15 @@ void t1_tp_intr_enable(struct petp *tp) { u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + /* FPGA */ + writel(0xffffffff, + tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE); + writel(tp_intr | FPGA_PCIX_INTERRUPT_TP, + tp->adapter->regs + A_PL_ENABLE); + } else +#endif { /* We don't use any TP interrupts */ writel(0, tp->adapter->regs + A_TP_INT_ENABLE); @@ -82,6 +94,14 @@ void t1_tp_intr_disable(struct petp *tp) { u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE); +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + /* FPGA */ + writel(0, tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE); + writel(tp_intr & ~FPGA_PCIX_INTERRUPT_TP, + tp->adapter->regs + A_PL_ENABLE); + } else +#endif { writel(0, tp->adapter->regs + A_TP_INT_ENABLE); writel(tp_intr & ~F_PL_INTR_TP, @@ -91,6 +111,14 @@ void t1_tp_intr_disable(struct petp *tp) void t1_tp_intr_clear(struct petp *tp) { +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(tp->adapter)) { + writel(0xffffffff, + tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + writel(FPGA_PCIX_INTERRUPT_TP, tp->adapter->regs + A_PL_CAUSE); + return; + } +#endif writel(0xffffffff, tp->adapter->regs + A_TP_INT_CAUSE); writel(F_PL_INTR_TP, tp->adapter->regs + A_PL_CAUSE); } @@ -99,6 +127,11 @@ int t1_tp_intr_handler(struct petp *tp) { u32 cause; +#ifdef CONFIG_CHELSIO_T1_1G + /* FPGA doesn't support TP interrupts. */ + if (!t1_is_asic(tp->adapter)) + return 1; +#endif cause = readl(tp->adapter->regs + A_TP_INT_CAUSE); writel(cause, tp->adapter->regs + A_TP_INT_CAUSE); diff --git a/drivers/net/chelsio/vsc7326.c b/drivers/net/chelsio/vsc7326.c new file mode 100644 index 00000000000..85dc3b1dc30 --- /dev/null +++ b/drivers/net/chelsio/vsc7326.c @@ -0,0 +1,725 @@ +/* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */ + +/* Driver for Vitesse VSC7326 (Schaumburg) MAC */ + +#include "gmac.h" +#include "elmer0.h" +#include "vsc7326_reg.h" + +/* Update fast changing statistics every 15 seconds */ +#define STATS_TICK_SECS 15 +/* 30 minutes for full statistics update */ +#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS) + +#define MAX_MTU 9600 + +/* The egress WM value 0x01a01fff should be used only when the + * interface is down (MAC port disabled). This is a workaround + * for disabling the T2/MAC flow-control. When the interface is + * enabled, the WM value should be set to 0x014a03F0. + */ +#define WM_DISABLE 0x01a01fff +#define WM_ENABLE 0x014a03F0 + +struct init_table { + u32 addr; + u32 data; +}; + +struct _cmac_instance { + u32 index; + u32 ticks; +}; + +#define INITBLOCK_SLEEP 0xffffffff + +static void vsc_read(adapter_t *adapter, u32 addr, u32 *val) +{ + u32 status, vlo, vhi; + int i; + + spin_lock_bh(&adapter->mac_lock); + t1_tpi_read(adapter, (addr << 2) + 4, &vlo); + i = 0; + do { + t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo); + t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi); + status = (vhi << 16) | vlo; + i++; + } while (((status & 1) == 0) && (i < 50)); + if (i == 50) + CH_ERR("Invalid tpi read from MAC, breaking loop.\n"); + + t1_tpi_read(adapter, (REG_LOCAL_DATA << 2) + 4, &vlo); + t1_tpi_read(adapter, REG_LOCAL_DATA << 2, &vhi); + + *val = (vhi << 16) | vlo; + + /* CH_ERR("rd: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n", + ((addr&0xe000)>>13), ((addr&0x1e00)>>9), + ((addr&0x01fe)>>1), *val); */ + spin_unlock_bh(&adapter->mac_lock); +} + +static void vsc_write(adapter_t *adapter, u32 addr, u32 data) +{ + spin_lock_bh(&adapter->mac_lock); + t1_tpi_write(adapter, (addr << 2) + 4, data & 0xFFFF); + t1_tpi_write(adapter, addr << 2, (data >> 16) & 0xFFFF); + /* CH_ERR("wr: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n", + ((addr&0xe000)>>13), ((addr&0x1e00)>>9), + ((addr&0x01fe)>>1), data); */ + spin_unlock_bh(&adapter->mac_lock); +} + +/* Hard reset the MAC. This wipes out *all* configuration. */ +static void vsc7326_full_reset(adapter_t* adapter) +{ + u32 val; + u32 result = 0xffff; + + t1_tpi_read(adapter, A_ELMER0_GPO, &val); + val &= ~1; + t1_tpi_write(adapter, A_ELMER0_GPO, val); + udelay(2); + val |= 0x1; /* Enable mac MAC itself */ + val |= 0x800; /* Turn off the red LED */ + t1_tpi_write(adapter, A_ELMER0_GPO, val); + mdelay(1); + vsc_write(adapter, REG_SW_RESET, 0x80000001); + do { + mdelay(1); + vsc_read(adapter, REG_SW_RESET, &result); + } while (result != 0x0); +} + +static struct init_table vsc7326_reset[] = { + { REG_IFACE_MODE, 0x00000000 }, + { REG_CRC_CFG, 0x00000020 }, + { REG_PLL_CLK_SPEED, 0x00050c00 }, + { REG_PLL_CLK_SPEED, 0x00050c00 }, + { REG_MSCH, 0x00002f14 }, + { REG_SPI4_MISC, 0x00040409 }, + { REG_SPI4_DESKEW, 0x00080000 }, + { REG_SPI4_ING_SETUP2, 0x08080004 }, + { REG_SPI4_ING_SETUP0, 0x04111004 }, + { REG_SPI4_EGR_SETUP0, 0x80001a04 }, + { REG_SPI4_ING_SETUP1, 0x02010000 }, + { REG_AGE_INC(0), 0x00000000 }, + { REG_AGE_INC(1), 0x00000000 }, + { REG_ING_CONTROL, 0x0a200011 }, + { REG_EGR_CONTROL, 0xa0010091 }, +}; + +static struct init_table vsc7326_portinit[4][22] = { + { /* Port 0 */ + /* FIFO setup */ + { REG_DBG(0), 0x000004f0 }, + { REG_HDX(0), 0x00073101 }, + { REG_TEST(0,0), 0x00000022 }, + { REG_TEST(1,0), 0x00000022 }, + { REG_TOP_BOTTOM(0,0), 0x003f0000 }, + { REG_TOP_BOTTOM(1,0), 0x00120000 }, + { REG_HIGH_LOW_WM(0,0), 0x07460757 }, + { REG_HIGH_LOW_WM(1,0), WM_DISABLE }, + { REG_CT_THRHLD(0,0), 0x00000000 }, + { REG_CT_THRHLD(1,0), 0x00000000 }, + { REG_BUCKE(0), 0x0002ffff }, + { REG_BUCKI(0), 0x0002ffff }, + { REG_TEST(0,0), 0x00000020 }, + { REG_TEST(1,0), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(0), 0x00002710 }, + { REG_PORT_FAIL(0), 0x00000002 }, + { REG_NORMALIZER(0), 0x00000a64 }, + { REG_DENORM(0), 0x00000010 }, + { REG_STICK_BIT(0), 0x03baa370 }, + { REG_DEV_SETUP(0), 0x00000083 }, + { REG_DEV_SETUP(0), 0x00000082 }, + { REG_MODE_CFG(0), 0x0200259f }, + }, + { /* Port 1 */ + /* FIFO setup */ + { REG_DBG(1), 0x000004f0 }, + { REG_HDX(1), 0x00073101 }, + { REG_TEST(0,1), 0x00000022 }, + { REG_TEST(1,1), 0x00000022 }, + { REG_TOP_BOTTOM(0,1), 0x007e003f }, + { REG_TOP_BOTTOM(1,1), 0x00240012 }, + { REG_HIGH_LOW_WM(0,1), 0x07460757 }, + { REG_HIGH_LOW_WM(1,1), WM_DISABLE }, + { REG_CT_THRHLD(0,1), 0x00000000 }, + { REG_CT_THRHLD(1,1), 0x00000000 }, + { REG_BUCKE(1), 0x0002ffff }, + { REG_BUCKI(1), 0x0002ffff }, + { REG_TEST(0,1), 0x00000020 }, + { REG_TEST(1,1), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(1), 0x00002710 }, + { REG_PORT_FAIL(1), 0x00000002 }, + { REG_NORMALIZER(1), 0x00000a64 }, + { REG_DENORM(1), 0x00000010 }, + { REG_STICK_BIT(1), 0x03baa370 }, + { REG_DEV_SETUP(1), 0x00000083 }, + { REG_DEV_SETUP(1), 0x00000082 }, + { REG_MODE_CFG(1), 0x0200259f }, + }, + { /* Port 2 */ + /* FIFO setup */ + { REG_DBG(2), 0x000004f0 }, + { REG_HDX(2), 0x00073101 }, + { REG_TEST(0,2), 0x00000022 }, + { REG_TEST(1,2), 0x00000022 }, + { REG_TOP_BOTTOM(0,2), 0x00bd007e }, + { REG_TOP_BOTTOM(1,2), 0x00360024 }, + { REG_HIGH_LOW_WM(0,2), 0x07460757 }, + { REG_HIGH_LOW_WM(1,2), WM_DISABLE }, + { REG_CT_THRHLD(0,2), 0x00000000 }, + { REG_CT_THRHLD(1,2), 0x00000000 }, + { REG_BUCKE(2), 0x0002ffff }, + { REG_BUCKI(2), 0x0002ffff }, + { REG_TEST(0,2), 0x00000020 }, + { REG_TEST(1,2), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(2), 0x00002710 }, + { REG_PORT_FAIL(2), 0x00000002 }, + { REG_NORMALIZER(2), 0x00000a64 }, + { REG_DENORM(2), 0x00000010 }, + { REG_STICK_BIT(2), 0x03baa370 }, + { REG_DEV_SETUP(2), 0x00000083 }, + { REG_DEV_SETUP(2), 0x00000082 }, + { REG_MODE_CFG(2), 0x0200259f }, + }, + { /* Port 3 */ + /* FIFO setup */ + { REG_DBG(3), 0x000004f0 }, + { REG_HDX(3), 0x00073101 }, + { REG_TEST(0,3), 0x00000022 }, + { REG_TEST(1,3), 0x00000022 }, + { REG_TOP_BOTTOM(0,3), 0x00fc00bd }, + { REG_TOP_BOTTOM(1,3), 0x00480036 }, + { REG_HIGH_LOW_WM(0,3), 0x07460757 }, + { REG_HIGH_LOW_WM(1,3), WM_DISABLE }, + { REG_CT_THRHLD(0,3), 0x00000000 }, + { REG_CT_THRHLD(1,3), 0x00000000 }, + { REG_BUCKE(3), 0x0002ffff }, + { REG_BUCKI(3), 0x0002ffff }, + { REG_TEST(0,3), 0x00000020 }, + { REG_TEST(1,3), 0x00000020 }, + /* Port config */ + { REG_MAX_LEN(3), 0x00002710 }, + { REG_PORT_FAIL(3), 0x00000002 }, + { REG_NORMALIZER(3), 0x00000a64 }, + { REG_DENORM(3), 0x00000010 }, + { REG_STICK_BIT(3), 0x03baa370 }, + { REG_DEV_SETUP(3), 0x00000083 }, + { REG_DEV_SETUP(3), 0x00000082 }, + { REG_MODE_CFG(3), 0x0200259f }, + }, +}; + +static void run_table(adapter_t *adapter, struct init_table *ib, int len) +{ + int i; + + for (i = 0; i < len; i++) { + if (ib[i].addr == INITBLOCK_SLEEP) { + udelay( ib[i].data ); + CH_ERR("sleep %d us\n",ib[i].data); + } else { + vsc_write( adapter, ib[i].addr, ib[i].data ); + } + } +} + +static int bist_rd(adapter_t *adapter, int moduleid, int address) +{ + int data=0; + u32 result=0; + + if( (address != 0x0) && + (address != 0x1) && + (address != 0x2) && + (address != 0xd) && + (address != 0xe)) + CH_ERR("No bist address: 0x%x\n", address); + + data = ((0x00 << 24) | ((address & 0xff) << 16) | (0x00 << 8) | + ((moduleid & 0xff) << 0)); + vsc_write(adapter, REG_RAM_BIST_CMD, data); + + udelay(10); + + vsc_read(adapter, REG_RAM_BIST_RESULT, &result); + if((result & (1<<9)) != 0x0) + CH_ERR("Still in bist read: 0x%x\n", result); + else if((result & (1<<8)) != 0x0) + CH_ERR("bist read error: 0x%x\n", result); + + return(result & 0xff); +} + +static int bist_wr(adapter_t *adapter, int moduleid, int address, int value) +{ + int data=0; + u32 result=0; + + if( (address != 0x0) && + (address != 0x1) && + (address != 0x2) && + (address != 0xd) && + (address != 0xe)) + CH_ERR("No bist address: 0x%x\n", address); + + if( value>255 ) + CH_ERR("Suspicious write out of range value: 0x%x\n", value); + + data = ((0x01 << 24) | ((address & 0xff) << 16) | (value << 8) | + ((moduleid & 0xff) << 0)); + vsc_write(adapter, REG_RAM_BIST_CMD, data); + + udelay(5); + + vsc_read(adapter, REG_RAM_BIST_CMD, &result); + if((result & (1<<27)) != 0x0) + CH_ERR("Still in bist write: 0x%x\n", result); + else if((result & (1<<26)) != 0x0) + CH_ERR("bist write error: 0x%x\n", result); + + return(0); +} + +static int run_bist(adapter_t *adapter, int moduleid) +{ + /*run bist*/ + (void) bist_wr(adapter,moduleid, 0x00, 0x02); + (void) bist_wr(adapter,moduleid, 0x01, 0x01); + + return(0); +} + +static int check_bist(adapter_t *adapter, int moduleid) +{ + int result=0; + int column=0; + /*check bist*/ + result = bist_rd(adapter,moduleid, 0x02); + column = ((bist_rd(adapter,moduleid, 0x0e)<<8) + + (bist_rd(adapter,moduleid, 0x0d))); + if ((result & 3) != 0x3) + CH_ERR("Result: 0x%x BIST error in ram %d, column: 0x%04x\n", + result, moduleid, column); + return(0); +} + +static int enable_mem(adapter_t *adapter, int moduleid) +{ + /*enable mem*/ + (void) bist_wr(adapter,moduleid, 0x00, 0x00); + return(0); +} + +static int run_bist_all(adapter_t *adapter) +{ + int port=0; + u32 val=0; + + vsc_write(adapter, REG_MEM_BIST, 0x5); + vsc_read(adapter, REG_MEM_BIST, &val); + + for(port=0; port<12; port++){ + vsc_write(adapter, REG_DEV_SETUP(port), 0x0); + } + + udelay(300); + vsc_write(adapter, REG_SPI4_MISC, 0x00040409); + udelay(300); + + (void) run_bist(adapter,13); + (void) run_bist(adapter,14); + (void) run_bist(adapter,20); + (void) run_bist(adapter,21); + mdelay(200); + (void) check_bist(adapter,13); + (void) check_bist(adapter,14); + (void) check_bist(adapter,20); + (void) check_bist(adapter,21); + udelay(100); + (void) enable_mem(adapter,13); + (void) enable_mem(adapter,14); + (void) enable_mem(adapter,20); + (void) enable_mem(adapter,21); + udelay(300); + vsc_write(adapter, REG_SPI4_MISC, 0x60040400); + udelay(300); + for(port=0; port<12; port++){ + vsc_write(adapter, REG_DEV_SETUP(port), 0x1); + } + udelay(300); + vsc_write(adapter, REG_MEM_BIST, 0x0); + mdelay(10); + return(0); +} + +static int mac_intr_handler(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_enable(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_disable(struct cmac *mac) +{ + return 0; +} + +static int mac_intr_clear(struct cmac *mac) +{ + return 0; +} + +/* Expect MAC address to be in network byte order. */ +static int mac_set_address(struct cmac* mac, u8 addr[6]) +{ + u32 val; + int port = mac->instance->index; + + vsc_write(mac->adapter, REG_MAC_LOW_ADDR(port), + (addr[3] << 16) | (addr[4] << 8) | addr[5]); + vsc_write(mac->adapter, REG_MAC_HIGH_ADDR(port), + (addr[0] << 16) | (addr[1] << 8) | addr[2]); + + vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &val); + val &= ~0xf0000000; + vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, val | (port << 28)); + + vsc_write(mac->adapter, REG_ING_FFILT_MASK0, + 0xffff0000 | (addr[4] << 8) | addr[5]); + vsc_write(mac->adapter, REG_ING_FFILT_MASK1, + 0xffff0000 | (addr[2] << 8) | addr[3]); + vsc_write(mac->adapter, REG_ING_FFILT_MASK2, + 0xffff0000 | (addr[0] << 8) | addr[1]); + return 0; +} + +static int mac_get_address(struct cmac *mac, u8 addr[6]) +{ + u32 addr_lo, addr_hi; + int port = mac->instance->index; + + vsc_read(mac->adapter, REG_MAC_LOW_ADDR(port), &addr_lo); + vsc_read(mac->adapter, REG_MAC_HIGH_ADDR(port), &addr_hi); + + addr[0] = (u8) (addr_hi >> 16); + addr[1] = (u8) (addr_hi >> 8); + addr[2] = (u8) addr_hi; + addr[3] = (u8) (addr_lo >> 16); + addr[4] = (u8) (addr_lo >> 8); + addr[5] = (u8) addr_lo; + return 0; +} + +/* This is intended to reset a port, not the whole MAC */ +static int mac_reset(struct cmac *mac) +{ + int index = mac->instance->index; + + run_table(mac->adapter, vsc7326_portinit[index], + ARRAY_SIZE(vsc7326_portinit[index])); + + return 0; +} + +static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) +{ + u32 v; + int port = mac->instance->index; + + vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &v); + v |= 1 << 12; + + if (t1_rx_mode_promisc(rm)) + v &= ~(1 << (port + 16)); + else + v |= 1 << (port + 16); + + vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, v); + return 0; +} + +static int mac_set_mtu(struct cmac *mac, int mtu) +{ + int port = mac->instance->index; + + if (mtu > MAX_MTU) + return -EINVAL; + + /* max_len includes header and FCS */ + vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4); + return 0; +} + +static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, + int fc) +{ + u32 v; + int enable, port = mac->instance->index; + + if (speed >= 0 && speed != SPEED_10 && speed != SPEED_100 && + speed != SPEED_1000) + return -1; + if (duplex > 0 && duplex != DUPLEX_FULL) + return -1; + + if (speed >= 0) { + vsc_read(mac->adapter, REG_MODE_CFG(port), &v); + enable = v & 3; /* save tx/rx enables */ + v &= ~0xf; + v |= 4; /* full duplex */ + if (speed == SPEED_1000) + v |= 8; /* GigE */ + enable |= v; + vsc_write(mac->adapter, REG_MODE_CFG(port), v); + + if (speed == SPEED_1000) + v = 0x82; + else if (speed == SPEED_100) + v = 0x84; + else /* SPEED_10 */ + v = 0x86; + vsc_write(mac->adapter, REG_DEV_SETUP(port), v | 1); /* reset */ + vsc_write(mac->adapter, REG_DEV_SETUP(port), v); + vsc_read(mac->adapter, REG_DBG(port), &v); + v &= ~0xff00; + if (speed == SPEED_1000) + v |= 0x400; + else if (speed == SPEED_100) + v |= 0x2000; + else /* SPEED_10 */ + v |= 0xff00; + vsc_write(mac->adapter, REG_DBG(port), v); + + vsc_write(mac->adapter, REG_TX_IFG(port), + speed == SPEED_1000 ? 5 : 0x11); + if (duplex == DUPLEX_HALF) + enable = 0x0; /* 100 or 10 */ + else if (speed == SPEED_1000) + enable = 0xc; + else /* SPEED_100 or 10 */ + enable = 0x4; + enable |= 0x9 << 10; /* IFG1 */ + enable |= 0x6 << 6; /* IFG2 */ + enable |= 0x1 << 4; /* VLAN */ + enable |= 0x3; /* RX/TX EN */ + vsc_write(mac->adapter, REG_MODE_CFG(port), enable); + + } + + vsc_read(mac->adapter, REG_PAUSE_CFG(port), &v); + v &= 0xfff0ffff; + v |= 0x20000; /* xon/xoff */ + if (fc & PAUSE_RX) + v |= 0x40000; + if (fc & PAUSE_TX) + v |= 0x80000; + if (fc == (PAUSE_RX | PAUSE_TX)) + v |= 0x10000; + vsc_write(mac->adapter, REG_PAUSE_CFG(port), v); + return 0; +} + +static int mac_enable(struct cmac *mac, int which) +{ + u32 val; + int port = mac->instance->index; + + /* Write the correct WM value when the port is enabled. */ + vsc_write(mac->adapter, REG_HIGH_LOW_WM(1,port), WM_ENABLE); + + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + if (which & MAC_DIRECTION_RX) + val |= 0x2; + if (which & MAC_DIRECTION_TX) + val |= 1; + vsc_write(mac->adapter, REG_MODE_CFG(port), val); + return 0; +} + +static int mac_disable(struct cmac *mac, int which) +{ + u32 val; + int i, port = mac->instance->index; + + /* Reset the port, this also writes the correct WM value */ + mac_reset(mac); + + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + if (which & MAC_DIRECTION_RX) + val &= ~0x2; + if (which & MAC_DIRECTION_TX) + val &= ~0x1; + vsc_write(mac->adapter, REG_MODE_CFG(port), val); + vsc_read(mac->adapter, REG_MODE_CFG(port), &val); + + /* Clear stats */ + for (i = 0; i <= 0x3a; ++i) + vsc_write(mac->adapter, CRA(4, port, i), 0); + + /* Clear sofware counters */ + memset(&mac->stats, 0, sizeof(struct cmac_statistics)); + + return 0; +} + +static void rmon_update(struct cmac *mac, unsigned int addr, u64 *stat) +{ + u32 v, lo; + + vsc_read(mac->adapter, addr, &v); + lo = *stat; + *stat = *stat - lo + v; + + if (v == 0) + return; + + if (v < lo) + *stat += (1ULL << 32); +} + +static void port_stats_update(struct cmac *mac) +{ + int port = mac->instance->index; + + /* Rx stats */ + rmon_update(mac, REG_RX_OK_BYTES(port), &mac->stats.RxOctetsOK); + rmon_update(mac, REG_RX_BAD_BYTES(port), &mac->stats.RxOctetsBad); + rmon_update(mac, REG_RX_UNICAST(port), &mac->stats.RxUnicastFramesOK); + rmon_update(mac, REG_RX_MULTICAST(port), + &mac->stats.RxMulticastFramesOK); + rmon_update(mac, REG_RX_BROADCAST(port), + &mac->stats.RxBroadcastFramesOK); + rmon_update(mac, REG_CRC(port), &mac->stats.RxFCSErrors); + rmon_update(mac, REG_RX_ALIGNMENT(port), &mac->stats.RxAlignErrors); + rmon_update(mac, REG_RX_OVERSIZE(port), + &mac->stats.RxFrameTooLongErrors); + rmon_update(mac, REG_RX_PAUSE(port), &mac->stats.RxPauseFrames); + rmon_update(mac, REG_RX_JABBERS(port), &mac->stats.RxJabberErrors); + rmon_update(mac, REG_RX_FRAGMENTS(port), &mac->stats.RxRuntErrors); + rmon_update(mac, REG_RX_UNDERSIZE(port), &mac->stats.RxRuntErrors); + rmon_update(mac, REG_RX_SYMBOL_CARRIER(port), + &mac->stats.RxSymbolErrors); + rmon_update(mac, REG_RX_SIZE_1519_TO_MAX(port), + &mac->stats.RxJumboFramesOK); + + /* Tx stats (skip collision stats as we are full-duplex only) */ + rmon_update(mac, REG_TX_OK_BYTES(port), &mac->stats.TxOctetsOK); + rmon_update(mac, REG_TX_UNICAST(port), &mac->stats.TxUnicastFramesOK); + rmon_update(mac, REG_TX_MULTICAST(port), + &mac->stats.TxMulticastFramesOK); + rmon_update(mac, REG_TX_BROADCAST(port), + &mac->stats.TxBroadcastFramesOK); + rmon_update(mac, REG_TX_PAUSE(port), &mac->stats.TxPauseFrames); + rmon_update(mac, REG_TX_UNDERRUN(port), &mac->stats.TxUnderrun); + rmon_update(mac, REG_TX_SIZE_1519_TO_MAX(port), + &mac->stats.TxJumboFramesOK); +} + +/* + * This function is called periodically to accumulate the current values of the + * RMON counters into the port statistics. Since the counters are only 32 bits + * some of them can overflow in less than a minute at GigE speeds, so this + * function should be called every 30 seconds or so. + * + * To cut down on reading costs we update only the octet counters at each tick + * and do a full update at major ticks, which can be every 30 minutes or more. + */ +static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, + int flag) +{ + if (flag == MAC_STATS_UPDATE_FULL || + mac->instance->ticks >= MAJOR_UPDATE_TICKS) { + port_stats_update(mac); + mac->instance->ticks = 0; + } else { + int port = mac->instance->index; + + rmon_update(mac, REG_RX_OK_BYTES(port), + &mac->stats.RxOctetsOK); + rmon_update(mac, REG_RX_BAD_BYTES(port), + &mac->stats.RxOctetsBad); + rmon_update(mac, REG_TX_OK_BYTES(port), + &mac->stats.TxOctetsOK); + mac->instance->ticks++; + } + return &mac->stats; +} + +static void mac_destroy(struct cmac *mac) +{ + kfree(mac); +} + +static struct cmac_ops vsc7326_ops = { + .destroy = mac_destroy, + .reset = mac_reset, + .interrupt_handler = mac_intr_handler, + .interrupt_enable = mac_intr_enable, + .interrupt_disable = mac_intr_disable, + .interrupt_clear = mac_intr_clear, + .enable = mac_enable, + .disable = mac_disable, + .set_mtu = mac_set_mtu, + .set_rx_mode = mac_set_rx_mode, + .set_speed_duplex_fc = mac_set_speed_duplex_fc, + .statistics_update = mac_update_statistics, + .macaddress_get = mac_get_address, + .macaddress_set = mac_set_address, +}; + +static struct cmac *vsc7326_mac_create(adapter_t *adapter, int index) +{ + struct cmac *mac; + u32 val; + int i; + + mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); + if (!mac) return NULL; + + mac->ops = &vsc7326_ops; + mac->instance = (cmac_instance *)(mac + 1); + mac->adapter = adapter; + + mac->instance->index = index; + mac->instance->ticks = 0; + + i = 0; + do { + u32 vhi, vlo; + + vhi = vlo = 0; + t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo); + udelay(1); + t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi); + udelay(5); + val = (vhi << 16) | vlo; + } while ((++i < 10000) && (val == 0xffffffff)); + + return mac; +} + +static int vsc7326_mac_reset(adapter_t *adapter) +{ + vsc7326_full_reset(adapter); + (void) run_bist_all(adapter); + run_table(adapter, vsc7326_reset, ARRAY_SIZE(vsc7326_reset)); + return 0; +} + +struct gmac t1_vsc7326_ops = { + .stats_update_period = STATS_TICK_SECS, + .create = vsc7326_mac_create, + .reset = vsc7326_mac_reset, +}; diff --git a/drivers/net/chelsio/vsc8244.c b/drivers/net/chelsio/vsc8244.c new file mode 100644 index 00000000000..c493e783d45 --- /dev/null +++ b/drivers/net/chelsio/vsc8244.c @@ -0,0 +1,368 @@ +/* + * This file is part of the Chelsio T2 Ethernet driver. + * + * Copyright (C) 2005 Chelsio Communications. All rights reserved. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this + * release for licensing terms and conditions. + */ + +#include "common.h" +#include "cphy.h" +#include "elmer0.h" + +#ifndef ADVERTISE_PAUSE_CAP +# define ADVERTISE_PAUSE_CAP 0x400 +#endif +#ifndef ADVERTISE_PAUSE_ASYM +# define ADVERTISE_PAUSE_ASYM 0x800 +#endif + +/* Gigabit MII registers */ +#ifndef MII_CTRL1000 +# define MII_CTRL1000 9 +#endif + +#ifndef ADVERTISE_1000FULL +# define ADVERTISE_1000FULL 0x200 +# define ADVERTISE_1000HALF 0x100 +#endif + +/* VSC8244 PHY specific registers. */ +enum { + VSC8244_INTR_ENABLE = 25, + VSC8244_INTR_STATUS = 26, + VSC8244_AUX_CTRL_STAT = 28, +}; + +enum { + VSC_INTR_RX_ERR = 1 << 0, + VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */ + VSC_INTR_CABLE = 1 << 2, /* cable impairment */ + VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */ + VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */ + VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */ + VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */ + VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */ + VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */ + VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */ + VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */ + VSC_INTR_LINK_CHG = 1 << 13, /* link change */ + VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */ +}; + +#define CFG_CHG_INTR_MASK (VSC_INTR_LINK_CHG | VSC_INTR_NEG_ERR | \ + VSC_INTR_NEG_DONE) +#define INTR_MASK (CFG_CHG_INTR_MASK | VSC_INTR_TX_FIFO | VSC_INTR_RX_FIFO | \ + VSC_INTR_ENABLE) + +/* PHY specific auxiliary control & status register fields */ +#define S_ACSR_ACTIPHY_TMR 0 +#define M_ACSR_ACTIPHY_TMR 0x3 +#define V_ACSR_ACTIPHY_TMR(x) ((x) << S_ACSR_ACTIPHY_TMR) + +#define S_ACSR_SPEED 3 +#define M_ACSR_SPEED 0x3 +#define G_ACSR_SPEED(x) (((x) >> S_ACSR_SPEED) & M_ACSR_SPEED) + +#define S_ACSR_DUPLEX 5 +#define F_ACSR_DUPLEX (1 << S_ACSR_DUPLEX) + +#define S_ACSR_ACTIPHY 6 +#define F_ACSR_ACTIPHY (1 << S_ACSR_ACTIPHY) + +/* + * Reset the PHY. This PHY completes reset immediately so we never wait. + */ +static int vsc8244_reset(struct cphy *cphy, int wait) +{ + int err; + unsigned int ctl; + + err = simple_mdio_read(cphy, MII_BMCR, &ctl); + if (err) + return err; + + ctl &= ~BMCR_PDOWN; + ctl |= BMCR_RESET; + return simple_mdio_write(cphy, MII_BMCR, ctl); +} + +static int vsc8244_intr_enable(struct cphy *cphy) +{ + simple_mdio_write(cphy, VSC8244_INTR_ENABLE, INTR_MASK); + + /* Enable interrupts through Elmer */ + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + + return 0; +} + +static int vsc8244_intr_disable(struct cphy *cphy) +{ + simple_mdio_write(cphy, VSC8244_INTR_ENABLE, 0); + + if (t1_is_asic(cphy->adapter)) { + u32 elmer; + + t1_tpi_read(cphy->adapter, A_ELMER0_INT_ENABLE, &elmer); + elmer &= ~ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer &= ~(ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4); + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_ENABLE, elmer); + } + + return 0; +} + +static int vsc8244_intr_clear(struct cphy *cphy) +{ + u32 val; + u32 elmer; + + /* Clear PHY interrupts by reading the register. */ + simple_mdio_read(cphy, VSC8244_INTR_ENABLE, &val); + + if (t1_is_asic(cphy->adapter)) { + t1_tpi_read(cphy->adapter, A_ELMER0_INT_CAUSE, &elmer); + elmer |= ELMER0_GP_BIT1; + if (is_T2(cphy->adapter)) { + elmer |= ELMER0_GP_BIT2|ELMER0_GP_BIT3|ELMER0_GP_BIT4; + } + t1_tpi_write(cphy->adapter, A_ELMER0_INT_CAUSE, elmer); + } + + return 0; +} + +/* + * Force the PHY speed and duplex. This also disables auto-negotiation, except + * for 1Gb/s, where auto-negotiation is mandatory. + */ +static int vsc8244_set_speed_duplex(struct cphy *phy, int speed, int duplex) +{ + int err; + unsigned int ctl; + + err = simple_mdio_read(phy, MII_BMCR, &ctl); + if (err) + return err; + + if (speed >= 0) { + ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); + if (speed == SPEED_100) + ctl |= BMCR_SPEED100; + else if (speed == SPEED_1000) + ctl |= BMCR_SPEED1000; + } + if (duplex >= 0) { + ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE); + if (duplex == DUPLEX_FULL) + ctl |= BMCR_FULLDPLX; + } + if (ctl & BMCR_SPEED1000) /* auto-negotiation required for 1Gb/s */ + ctl |= BMCR_ANENABLE; + return simple_mdio_write(phy, MII_BMCR, ctl); +} + +int t1_mdio_set_bits(struct cphy *phy, int mmd, int reg, unsigned int bits) +{ + int ret; + unsigned int val; + + ret = mdio_read(phy, mmd, reg, &val); + if (!ret) + ret = mdio_write(phy, mmd, reg, val | bits); + return ret; +} + +static int vsc8244_autoneg_enable(struct cphy *cphy) +{ + return t1_mdio_set_bits(cphy, 0, MII_BMCR, + BMCR_ANENABLE | BMCR_ANRESTART); +} + +static int vsc8244_autoneg_restart(struct cphy *cphy) +{ + return t1_mdio_set_bits(cphy, 0, MII_BMCR, BMCR_ANRESTART); +} + +static int vsc8244_advertise(struct cphy *phy, unsigned int advertise_map) +{ + int err; + unsigned int val = 0; + + err = simple_mdio_read(phy, MII_CTRL1000, &val); + if (err) + return err; + + val &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL); + if (advertise_map & ADVERTISED_1000baseT_Half) + val |= ADVERTISE_1000HALF; + if (advertise_map & ADVERTISED_1000baseT_Full) + val |= ADVERTISE_1000FULL; + + err = simple_mdio_write(phy, MII_CTRL1000, val); + if (err) + return err; + + val = 1; + if (advertise_map & ADVERTISED_10baseT_Half) + val |= ADVERTISE_10HALF; + if (advertise_map & ADVERTISED_10baseT_Full) + val |= ADVERTISE_10FULL; + if (advertise_map & ADVERTISED_100baseT_Half) + val |= ADVERTISE_100HALF; + if (advertise_map & ADVERTISED_100baseT_Full) + val |= ADVERTISE_100FULL; + if (advertise_map & ADVERTISED_PAUSE) + val |= ADVERTISE_PAUSE_CAP; + if (advertise_map & ADVERTISED_ASYM_PAUSE) + val |= ADVERTISE_PAUSE_ASYM; + return simple_mdio_write(phy, MII_ADVERTISE, val); +} + +static int vsc8244_get_link_status(struct cphy *cphy, int *link_ok, + int *speed, int *duplex, int *fc) +{ + unsigned int bmcr, status, lpa, adv; + int err, sp = -1, dplx = -1, pause = 0; + + err = simple_mdio_read(cphy, MII_BMCR, &bmcr); + if (!err) + err = simple_mdio_read(cphy, MII_BMSR, &status); + if (err) + return err; + + if (link_ok) { + /* + * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it + * once more to get the current link state. + */ + if (!(status & BMSR_LSTATUS)) + err = simple_mdio_read(cphy, MII_BMSR, &status); + if (err) + return err; + *link_ok = (status & BMSR_LSTATUS) != 0; + } + if (!(bmcr & BMCR_ANENABLE)) { + dplx = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF; + if (bmcr & BMCR_SPEED1000) + sp = SPEED_1000; + else if (bmcr & BMCR_SPEED100) + sp = SPEED_100; + else + sp = SPEED_10; + } else if (status & BMSR_ANEGCOMPLETE) { + err = simple_mdio_read(cphy, VSC8244_AUX_CTRL_STAT, &status); + if (err) + return err; + + dplx = (status & F_ACSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF; + sp = G_ACSR_SPEED(status); + if (sp == 0) + sp = SPEED_10; + else if (sp == 1) + sp = SPEED_100; + else + sp = SPEED_1000; + + if (fc && dplx == DUPLEX_FULL) { + err = simple_mdio_read(cphy, MII_LPA, &lpa); + if (!err) + err = simple_mdio_read(cphy, MII_ADVERTISE, + &adv); + if (err) + return err; + + if (lpa & adv & ADVERTISE_PAUSE_CAP) + pause = PAUSE_RX | PAUSE_TX; + else if ((lpa & ADVERTISE_PAUSE_CAP) && + (lpa & ADVERTISE_PAUSE_ASYM) && + (adv & ADVERTISE_PAUSE_ASYM)) + pause = PAUSE_TX; + else if ((lpa & ADVERTISE_PAUSE_ASYM) && + (adv & ADVERTISE_PAUSE_CAP)) + pause = PAUSE_RX; + } + } + if (speed) + *speed = sp; + if (duplex) + *duplex = dplx; + if (fc) + *fc = pause; + return 0; +} + +static int vsc8244_intr_handler(struct cphy *cphy) +{ + unsigned int cause; + int err, cphy_cause = 0; + + err = simple_mdio_read(cphy, VSC8244_INTR_STATUS, &cause); + if (err) + return err; + + cause &= INTR_MASK; + if (cause & CFG_CHG_INTR_MASK) + cphy_cause |= cphy_cause_link_change; + if (cause & (VSC_INTR_RX_FIFO | VSC_INTR_TX_FIFO)) + cphy_cause |= cphy_cause_fifo_error; + return cphy_cause; +} + +static void vsc8244_destroy(struct cphy *cphy) +{ + kfree(cphy); +} + +static struct cphy_ops vsc8244_ops = { + .destroy = vsc8244_destroy, + .reset = vsc8244_reset, + .interrupt_enable = vsc8244_intr_enable, + .interrupt_disable = vsc8244_intr_disable, + .interrupt_clear = vsc8244_intr_clear, + .interrupt_handler = vsc8244_intr_handler, + .autoneg_enable = vsc8244_autoneg_enable, + .autoneg_restart = vsc8244_autoneg_restart, + .advertise = vsc8244_advertise, + .set_speed_duplex = vsc8244_set_speed_duplex, + .get_link_status = vsc8244_get_link_status +}; + +static struct cphy* vsc8244_phy_create(adapter_t *adapter, int phy_addr, struct mdio_ops *mdio_ops) +{ + struct cphy *cphy = kzalloc(sizeof(*cphy), GFP_KERNEL); + + if (!cphy) return NULL; + + cphy_init(cphy, adapter, phy_addr, &vsc8244_ops, mdio_ops); + + return cphy; +} + + +static int vsc8244_phy_reset(adapter_t* adapter) +{ + return 0; +} + +struct gphy t1_vsc8244_ops = { + vsc8244_phy_create, + vsc8244_phy_reset +}; + + diff --git a/drivers/net/chelsio/vsc8244_reg.h b/drivers/net/chelsio/vsc8244_reg.h new file mode 100644 index 00000000000..d3c1829055c --- /dev/null +++ b/drivers/net/chelsio/vsc8244_reg.h @@ -0,0 +1,172 @@ +/* $Date: 2005/11/23 16:28:53 $ $RCSfile: vsc8244_reg.h,v $ $Revision: 1.1 $ */ +#ifndef CHELSIO_MV8E1XXX_H +#define CHELSIO_MV8E1XXX_H + +#ifndef BMCR_SPEED1000 +# define BMCR_SPEED1000 0x40 +#endif + +#ifndef ADVERTISE_PAUSE +# define ADVERTISE_PAUSE 0x400 +#endif +#ifndef ADVERTISE_PAUSE_ASYM +# define ADVERTISE_PAUSE_ASYM 0x800 +#endif + +/* Gigabit MII registers */ +#define MII_GBMR 1 /* 1000Base-T mode register */ +#define MII_GBCR 9 /* 1000Base-T control register */ +#define MII_GBSR 10 /* 1000Base-T status register */ + +/* 1000Base-T control register fields */ +#define GBCR_ADV_1000HALF 0x100 +#define GBCR_ADV_1000FULL 0x200 +#define GBCR_PREFER_MASTER 0x400 +#define GBCR_MANUAL_AS_MASTER 0x800 +#define GBCR_MANUAL_CONFIG_ENABLE 0x1000 + +/* 1000Base-T status register fields */ +#define GBSR_LP_1000HALF 0x400 +#define GBSR_LP_1000FULL 0x800 +#define GBSR_REMOTE_OK 0x1000 +#define GBSR_LOCAL_OK 0x2000 +#define GBSR_LOCAL_MASTER 0x4000 +#define GBSR_MASTER_FAULT 0x8000 + +/* Vitesse PHY interrupt status bits. */ +#if 0 +#define VSC8244_INTR_JABBER 0x0001 +#define VSC8244_INTR_POLARITY_CHNG 0x0002 +#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010 +#define VSC8244_INTR_DOWNSHIFT 0x0020 +#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040 +#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080 +#define VSC8244_INTR_FALSE_CARRIER 0x0100 +#define VSC8244_INTR_SYMBOL_ERROR 0x0200 +#define VSC8244_INTR_LINK_CHNG 0x0400 +#define VSC8244_INTR_AUTONEG_DONE 0x0800 +#define VSC8244_INTR_PAGE_RECV 0x1000 +#define VSC8244_INTR_DUPLEX_CHNG 0x2000 +#define VSC8244_INTR_SPEED_CHNG 0x4000 +#define VSC8244_INTR_AUTONEG_ERR 0x8000 +#else +//#define VSC8244_INTR_JABBER 0x0001 +//#define VSC8244_INTR_POLARITY_CHNG 0x0002 +//#define VSC8244_INTR_BIT2 0x0004 +//#define VSC8244_INTR_BIT3 0x0008 +#define VSC8244_INTR_RX_ERR 0x0001 +#define VSC8244_INTR_MASTER_SLAVE 0x0002 +#define VSC8244_INTR_CABLE_IMPAIRED 0x0004 +#define VSC8244_INTR_FALSE_CARRIER 0x0008 +//#define VSC8244_INTR_ENG_DETECT_CHNG 0x0010 +//#define VSC8244_INTR_DOWNSHIFT 0x0020 +//#define VSC8244_INTR_MDI_XOVER_CHNG 0x0040 +//#define VSC8244_INTR_FIFO_OVER_UNDER 0x0080 +#define VSC8244_INTR_BIT4 0x0010 +#define VSC8244_INTR_FIFO_RX 0x0020 +#define VSC8244_INTR_FIFO_OVER_UNDER 0x0040 +#define VSC8244_INTR_LOCK_LOST 0x0080 +//#define VSC8244_INTR_FALSE_CARRIER 0x0100 +//#define VSC8244_INTR_SYMBOL_ERROR 0x0200 +//#define VSC8244_INTR_LINK_CHNG 0x0400 +//#define VSC8244_INTR_AUTONEG_DONE 0x0800 +#define VSC8244_INTR_SYMBOL_ERROR 0x0100 +#define VSC8244_INTR_ENG_DETECT_CHNG 0x0200 +#define VSC8244_INTR_AUTONEG_DONE 0x0400 +#define VSC8244_INTR_AUTONEG_ERR 0x0800 +//#define VSC8244_INTR_PAGE_RECV 0x1000 +//#define VSC8244_INTR_DUPLEX_CHNG 0x2000 +//#define VSC8244_INTR_SPEED_CHNG 0x4000 +//#define VSC8244_INTR_AUTONEG_ERR 0x8000 +#define VSC8244_INTR_DUPLEX_CHNG 0x1000 +#define VSC8244_INTR_LINK_CHNG 0x2000 +#define VSC8244_INTR_SPEED_CHNG 0x4000 +#define VSC8244_INTR_STATUS 0x8000 +#endif + + +/* Vitesse PHY specific registers. */ +#define VSC8244_SPECIFIC_CNTRL_REGISTER 16 +#define VSC8244_SPECIFIC_STATUS_REGISTER 0x1c +#define VSC8244_INTERRUPT_ENABLE_REGISTER 0x19 +#define VSC8244_INTERRUPT_STATUS_REGISTER 0x1a +#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_REGISTER 20 +#define VSC8244_RECV_ERR_CNTR_REGISTER 21 +#define VSC8244_RES_REGISTER 22 +#define VSC8244_GLOBAL_STATUS_REGISTER 23 +#define VSC8244_LED_CONTROL_REGISTER 24 +#define VSC8244_MANUAL_LED_OVERRIDE_REGISTER 25 +#define VSC8244_EXT_PHY_SPECIFIC_CNTRL_2_REGISTER 26 +#define VSC8244_EXT_PHY_SPECIFIC_STATUS_REGISTER 27 +#define VSC8244_VIRTUAL_CABLE_TESTER_REGISTER 28 +#define VSC8244_EXTENDED_ADDR_REGISTER 29 +#define VSC8244_EXTENDED_REGISTER 30 + +/* PHY specific control register fields */ +#define S_PSCR_MDI_XOVER_MODE 5 +#define M_PSCR_MDI_XOVER_MODE 0x3 +#define V_PSCR_MDI_XOVER_MODE(x) ((x) << S_PSCR_MDI_XOVER_MODE) +#define G_PSCR_MDI_XOVER_MODE(x) (((x) >> S_PSCR_MDI_XOVER_MODE) & M_PSCR_MDI_XOVER_MODE) + +/* Extended PHY specific control register fields */ +#define S_DOWNSHIFT_ENABLE 8 +#define V_DOWNSHIFT_ENABLE (1 << S_DOWNSHIFT_ENABLE) + +#define S_DOWNSHIFT_CNT 9 +#define M_DOWNSHIFT_CNT 0x7 +#define V_DOWNSHIFT_CNT(x) ((x) << S_DOWNSHIFT_CNT) +#define G_DOWNSHIFT_CNT(x) (((x) >> S_DOWNSHIFT_CNT) & M_DOWNSHIFT_CNT) + +/* PHY specific status register fields */ +#define S_PSSR_JABBER 0 +#define V_PSSR_JABBER (1 << S_PSSR_JABBER) + +#define S_PSSR_POLARITY 1 +#define V_PSSR_POLARITY (1 << S_PSSR_POLARITY) + +#define S_PSSR_RX_PAUSE 2 +#define V_PSSR_RX_PAUSE (1 << S_PSSR_RX_PAUSE) + +#define S_PSSR_TX_PAUSE 3 +#define V_PSSR_TX_PAUSE (1 << S_PSSR_TX_PAUSE) + +#define S_PSSR_ENERGY_DETECT 4 +#define V_PSSR_ENERGY_DETECT (1 << S_PSSR_ENERGY_DETECT) + +#define S_PSSR_DOWNSHIFT_STATUS 5 +#define V_PSSR_DOWNSHIFT_STATUS (1 << S_PSSR_DOWNSHIFT_STATUS) + +#define S_PSSR_MDI 6 +#define V_PSSR_MDI (1 << S_PSSR_MDI) + +#define S_PSSR_CABLE_LEN 7 +#define M_PSSR_CABLE_LEN 0x7 +#define V_PSSR_CABLE_LEN(x) ((x) << S_PSSR_CABLE_LEN) +#define G_PSSR_CABLE_LEN(x) (((x) >> S_PSSR_CABLE_LEN) & M_PSSR_CABLE_LEN) + +//#define S_PSSR_LINK 10 +//#define S_PSSR_LINK 13 +#define S_PSSR_LINK 2 +#define V_PSSR_LINK (1 << S_PSSR_LINK) + +//#define S_PSSR_STATUS_RESOLVED 11 +//#define S_PSSR_STATUS_RESOLVED 10 +#define S_PSSR_STATUS_RESOLVED 15 +#define V_PSSR_STATUS_RESOLVED (1 << S_PSSR_STATUS_RESOLVED) + +#define S_PSSR_PAGE_RECEIVED 12 +#define V_PSSR_PAGE_RECEIVED (1 << S_PSSR_PAGE_RECEIVED) + +//#define S_PSSR_DUPLEX 13 +//#define S_PSSR_DUPLEX 12 +#define S_PSSR_DUPLEX 5 +#define V_PSSR_DUPLEX (1 << S_PSSR_DUPLEX) + +//#define S_PSSR_SPEED 14 +//#define S_PSSR_SPEED 14 +#define S_PSSR_SPEED 3 +#define M_PSSR_SPEED 0x3 +#define V_PSSR_SPEED(x) ((x) << S_PSSR_SPEED) +#define G_PSSR_SPEED(x) (((x) >> S_PSSR_SPEED) & M_PSSR_SPEED) + +#endif -- cgit v1.2.3 From a7377a50b88fce135249cfa68dfe02fac4f5fd61 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:18 -0800 Subject: [PATCH] chelsio: cleanup pm3393 code Replace macro with function for updating RMON values Cleanups: * remove unused enum's * Fix comment format Signed-off-by: Stephen HEmminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/pm3393.c | 69 +++++++++++++++++++------------------------- 1 file changed, 29 insertions(+), 40 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c index b943f5ddd8f..a1d15eebe12 100644 --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -43,22 +43,6 @@ #include "elmer0.h" #include "suni1x10gexp_regs.h" -/* 802.3ae 10Gb/s MDIO Manageable Device(MMD) - */ -enum { - MMD_RESERVED, - MMD_PMAPMD, - MMD_WIS, - MMD_PCS, - MMD_PHY_XGXS, /* XGMII Extender Sublayer */ - MMD_DTE_XGXS, -}; - -enum { - PHY_XGXS_CTRL_1, - PHY_XGXS_STATUS_1 -}; - #define OFFSET(REG_ADDR) (REG_ADDR << 2) /* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */ @@ -128,12 +112,12 @@ static int pm3393_reset(struct cmac *cmac) /* * Enable interrupts for the PM3393 - - 1. Enable PM3393 BLOCK interrupts. - 2. Enable PM3393 Master Interrupt bit(INTE) - 3. Enable ELMER's PM3393 bit. - 4. Enable Terminator external interrupt. -*/ + * + * 1. Enable PM3393 BLOCK interrupts. + * 2. Enable PM3393 Master Interrupt bit(INTE) + * 3. Enable ELMER's PM3393 bit. + * 4. Enable Terminator external interrupt. + */ static int pm3393_interrupt_enable(struct cmac *cmac) { u32 pl_intr; @@ -261,11 +245,7 @@ static int pm3393_interrupt_clear(struct cmac *cmac) static int pm3393_interrupt_handler(struct cmac *cmac) { u32 master_intr_status; -/* - 1. Read master interrupt register. - 2. Read BLOCK's interrupt status registers. - 3. Handle BLOCK interrupts. -*/ + /* Read the master interrupt status register. */ pmread(cmac, SUNI1x10GEXP_REG_MASTER_INTERRUPT_STATUS, &master_intr_status); @@ -473,20 +453,29 @@ static int pm3393_set_speed_duplex_fc(struct cmac *cmac, int speed, int duplex, return 0; } +static void pm3393_rmon_update(struct adapter *adapter, u32 offs, u64 *val, + int over) +{ + u32 val0, val1, val2; + + t1_tpi_read(adapter, offs, &val0); + t1_tpi_read(adapter, offs + 4, &val1); + t1_tpi_read(adapter, offs + 8, &val2); + + *val &= ~0ull << 40; + *val |= val0 & 0xffff; + *val |= (val1 & 0xffff) << 16; + *val |= (u64)(val2 & 0xff) << 32; + + if (over) + *val += 1ull << 40; +} + #define RMON_UPDATE(mac, name, stat_name) \ - { \ - t1_tpi_read((mac)->adapter, OFFSET(name), &val0); \ - t1_tpi_read((mac)->adapter, OFFSET(((name)+1)), &val1); \ - t1_tpi_read((mac)->adapter, OFFSET(((name)+2)), &val2); \ - (mac)->stats.stat_name = ((u64)val0 & 0xffff) | \ - (((u64)val1 & 0xffff) << 16) | \ - (((u64)val2 & 0xff) << 32) | \ - ((mac)->stats.stat_name & \ - (~(u64)0 << 40)); \ - if (ro & \ - ((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2)) \ - (mac)->stats.stat_name += ((u64)1 << 40); \ - } + pm3393_rmon_update((mac)->adapter, OFFSET(name), \ + &(mac)->stats.stat_name, \ + (ro &((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2))) + static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac, int flag) -- cgit v1.2.3 From 57834ca152d5979f3f84f4e25f29f423e19d38fa Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:19 -0800 Subject: [PATCH] chelsio: use standard CRC routines Replace driver crc calculation with existing library. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 1 + drivers/net/chelsio/pm3393.c | 31 +++---------------------------- 2 files changed, 4 insertions(+), 28 deletions(-) (limited to 'drivers') diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index ee391f29dae..9de0eed6755 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2360,6 +2360,7 @@ menu "Ethernet (10000 Mbit)" config CHELSIO_T1 tristate "Chelsio 10Gb Ethernet support" depends on PCI + select CRC32 help This driver supports Chelsio gigabit and 10-gigabit Ethernet cards. More information about adapter features and diff --git a/drivers/net/chelsio/pm3393.c b/drivers/net/chelsio/pm3393.c index a1d15eebe12..63cabeb98af 100644 --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -43,6 +43,8 @@ #include "elmer0.h" #include "suni1x10gexp_regs.h" +#include + #define OFFSET(REG_ADDR) (REG_ADDR << 2) /* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */ @@ -345,33 +347,6 @@ static int pm3393_set_mtu(struct cmac *cmac, int mtu) return 0; } -static u32 calc_crc(u8 *b, int len) -{ - int i; - u32 crc = (u32)~0; - - /* calculate crc one bit at a time */ - while (len--) { - crc ^= *b++; - for (i = 0; i < 8; i++) { - if (crc & 0x1) - crc = (crc >> 1) ^ 0xedb88320; - else - crc = (crc >> 1); - } - } - - /* reverse bits */ - crc = ((crc >> 4) & 0x0f0f0f0f) | ((crc << 4) & 0xf0f0f0f0); - crc = ((crc >> 2) & 0x33333333) | ((crc << 2) & 0xcccccccc); - crc = ((crc >> 1) & 0x55555555) | ((crc << 1) & 0xaaaaaaaa); - /* swap bytes */ - crc = (crc >> 16) | (crc << 16); - crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00); - - return crc; -} - static int pm3393_set_rx_mode(struct cmac *cmac, struct t1_rx_mode *rm) { int enabled = cmac->instance->enabled & MAC_DIRECTION_RX; @@ -405,7 +380,7 @@ static int pm3393_set_rx_mode(struct cmac *cmac, struct t1_rx_mode *rm) u16 mc_filter[4] = { 0, }; while ((addr = t1_get_next_mcaddr(rm))) { - bit = (calc_crc(addr, ETH_ALEN) >> 23) & 0x3f; /* bit[23:28] */ + bit = (ether_crc(ETH_ALEN, addr) >> 23) & 0x3f; /* bit[23:28] */ mc_filter[bit >> 4] |= 1 << (bit & 0xf); } pmwrite(cmac, SUNI1x10GEXP_REG_RXXG_MULTICAST_HASH_LOW, mc_filter[0]); -- cgit v1.2.3 From 325dde48914e8ec1614d79ffacdbf9c0b8d24f42 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:20 -0800 Subject: [PATCH] chelsio: add MSI support Using MSI can avoid sharing IRQ and associated overhead. Tested on PCI-X. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/common.h | 1 + drivers/net/chelsio/cxgb2.c | 20 +++++++++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/common.h b/drivers/net/chelsio/common.h index 55f1eaad115..b265941e137 100644 --- a/drivers/net/chelsio/common.h +++ b/drivers/net/chelsio/common.h @@ -228,6 +228,7 @@ struct adapter_params { unsigned short chip_revision; unsigned char chip_version; unsigned char is_asic; + unsigned char has_msi; }; struct link_config { diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 571aa06ddfd..0ca5b07c1a6 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -107,6 +107,10 @@ static int t1powersave = 1; /* HW default is powersave mode. */ module_param(t1powersave, int, 0); MODULE_PARM_DESC(t1powersave, "Enable/Disable T1 powersaving mode"); +static int disable_msi = 0; +module_param(disable_msi, int, 0); +MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); + static const char pci_speed[][4] = { "33", "66", "100", "133" }; @@ -215,11 +219,19 @@ static int cxgb_up(struct adapter *adapter) } t1_interrupts_clear(adapter); - if ((err = request_irq(adapter->pdev->irq, - t1_select_intr_handler(adapter), IRQF_SHARED, - adapter->name, adapter))) { + + adapter->params.has_msi = !disable_msi && pci_enable_msi(adapter->pdev) == 0; + err = request_irq(adapter->pdev->irq, + t1_select_intr_handler(adapter), + adapter->params.has_msi ? 0 : IRQF_SHARED, + adapter->name, adapter); + if (err) { + if (adapter->params.has_msi) + pci_disable_msi(adapter->pdev); + goto out_err; } + t1_sge_start(adapter->sge); t1_interrupts_enable(adapter); out_err: @@ -234,6 +246,8 @@ static void cxgb_down(struct adapter *adapter) t1_sge_stop(adapter->sge); t1_interrupts_disable(adapter); free_irq(adapter->pdev->irq, adapter); + if (adapter->params.has_msi) + pci_disable_msi(adapter->pdev); } static int cxgb_open(struct net_device *dev) -- cgit v1.2.3 From 56f643c28c5df63693d7c66e56f8e4767cfd7a65 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:21 -0800 Subject: [PATCH] chelsio: statistics improvement Cleanup statistics management: * Get rid of duplicate or unused statistics * Convert high volume stats to per-cpu and 64 bit Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/cxgb2.c | 74 +++++++++++++++++++++++---------------------- drivers/net/chelsio/sge.c | 65 ++++++++++++++++++++++++++++++--------- drivers/net/chelsio/sge.h | 29 ++++++++---------- 3 files changed, 100 insertions(+), 68 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 0ca5b07c1a6..53bec673981 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -390,13 +390,19 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "RxOutOfRangeLengthField", "RxFrameTooLongErrors", - "TSO", - "VLANextractions", - "VLANinsertions", + /* Port stats */ + "RxPackets", "RxCsumGood", + "TxPackets", "TxCsumOffload", - "RxDrops" - + "TxTso", + "RxVlan", + "TxVlan", + + /* Interrupt stats */ + "rx drops", + "pure_rsps", + "unhandled irqs", "respQ_empty", "respQ_overflow", "freelistQ_empty", @@ -404,10 +410,6 @@ static char stats_strings[][ETH_GSTRING_LEN] = { "pkt_mismatch", "cmdQ_full0", "cmdQ_full1", - "tx_ipfrags", - "tx_reg_pkts", - "tx_lso_pkts", - "tx_do_cksum", "espi_DIP2ParityErr", "espi_DIP4Err", @@ -451,12 +453,10 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, struct adapter *adapter = dev->priv; struct cmac *mac = adapter->port[dev->if_port].mac; const struct cmac_statistics *s; - const struct sge_port_stats *ss; const struct sge_intr_counts *t; + struct sge_port_stats ss; s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL); - ss = t1_sge_get_port_stats(adapter->sge, dev->if_port); - t = t1_sge_get_intr_counts(adapter->sge); *data++ = s->TxOctetsOK; *data++ = s->TxOctetsBad; @@ -492,35 +492,37 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, *data++ = s->RxOutOfRangeLengthField; *data++ = s->RxFrameTooLongErrors; - *data++ = ss->tso; - *data++ = ss->vlan_xtract; - *data++ = ss->vlan_insert; - *data++ = ss->rx_cso_good; - *data++ = ss->tx_cso; - *data++ = ss->rx_drops; - - *data++ = (u64)t->respQ_empty; - *data++ = (u64)t->respQ_overflow; - *data++ = (u64)t->freelistQ_empty; - *data++ = (u64)t->pkt_too_big; - *data++ = (u64)t->pkt_mismatch; - *data++ = (u64)t->cmdQ_full[0]; - *data++ = (u64)t->cmdQ_full[1]; - *data++ = (u64)t->tx_ipfrags; - *data++ = (u64)t->tx_reg_pkts; - *data++ = (u64)t->tx_lso_pkts; - *data++ = (u64)t->tx_do_cksum; + t1_sge_get_port_stats(adapter->sge, dev->if_port, &ss); + *data++ = ss.rx_packets; + *data++ = ss.rx_cso_good; + *data++ = ss.tx_packets; + *data++ = ss.tx_cso; + *data++ = ss.tx_tso; + *data++ = ss.vlan_xtract; + *data++ = ss.vlan_insert; + + t = t1_sge_get_intr_counts(adapter->sge); + *data++ = t->rx_drops; + *data++ = t->pure_rsps; + *data++ = t->unhandled_irqs; + *data++ = t->respQ_empty; + *data++ = t->respQ_overflow; + *data++ = t->freelistQ_empty; + *data++ = t->pkt_too_big; + *data++ = t->pkt_mismatch; + *data++ = t->cmdQ_full[0]; + *data++ = t->cmdQ_full[1]; if (adapter->espi) { const struct espi_intr_counts *e; e = t1_espi_get_intr_counts(adapter->espi); - *data++ = (u64) e->DIP2_parity_err; - *data++ = (u64) e->DIP4_err; - *data++ = (u64) e->rx_drops; - *data++ = (u64) e->tx_drops; - *data++ = (u64) e->rx_ovflw; - *data++ = (u64) e->parity_err; + *data++ = e->DIP2_parity_err; + *data++ = e->DIP4_err; + *data++ = e->rx_drops; + *data++ = e->tx_drops; + *data++ = e->rx_ovflw; + *data++ = e->parity_err; } } diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 26df2049d84..9911048d821 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -274,7 +274,7 @@ struct sge { struct sk_buff *espibug_skb[MAX_NPORTS]; u32 sge_control; /* shadow value of sge control reg */ struct sge_intr_counts stats; - struct sge_port_stats port_stats[MAX_NPORTS]; + struct sge_port_stats *port_stats[MAX_NPORTS]; struct sched *tx_sched; struct cmdQ cmdQ[SGE_CMDQ_N] ____cacheline_aligned_in_smp; }; @@ -820,6 +820,11 @@ static inline unsigned int jumbo_payload_capacity(const struct sge *sge) */ void t1_sge_destroy(struct sge *sge) { + int i; + + for_each_port(sge->adapter, i) + free_percpu(sge->port_stats[i]); + kfree(sge->tx_sched); free_tx_resources(sge); free_rx_resources(sge); @@ -985,14 +990,28 @@ int t1_sge_intr_error_handler(struct sge *sge) return 0; } -const struct sge_intr_counts *t1_sge_get_intr_counts(struct sge *sge) +const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge) { return &sge->stats; } -const struct sge_port_stats *t1_sge_get_port_stats(struct sge *sge, int port) +void t1_sge_get_port_stats(const struct sge *sge, int port, + struct sge_port_stats *ss) { - return &sge->port_stats[port]; + int cpu; + + memset(ss, 0, sizeof(*ss)); + for_each_possible_cpu(cpu) { + struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[port], cpu); + + ss->rx_packets += st->rx_packets; + ss->rx_cso_good += st->rx_cso_good; + ss->tx_packets += st->tx_packets; + ss->tx_cso += st->tx_cso; + ss->tx_tso += st->tx_tso; + ss->vlan_xtract += st->vlan_xtract; + ss->vlan_insert += st->vlan_insert; + } } /** @@ -1361,36 +1380,39 @@ static int sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len) struct sk_buff *skb; struct cpl_rx_pkt *p; struct adapter *adapter = sge->adapter; + struct sge_port_stats *st; - sge->stats.ethernet_pkts++; skb = get_packet(adapter->pdev, fl, len - sge->rx_pkt_pad, sge->rx_pkt_pad, 2, SGE_RX_COPY_THRES, SGE_RX_DROP_THRES); - if (!skb) { - sge->port_stats[0].rx_drops++; /* charge only port 0 for now */ + if (unlikely(!skb)) { + sge->stats.rx_drops++; return 0; } p = (struct cpl_rx_pkt *)skb->data; skb_pull(skb, sizeof(*p)); - skb->dev = adapter->port[p->iff].dev; if (p->iff >= adapter->params.nports) { kfree_skb(skb); return 0; } + skb->dev = adapter->port[p->iff].dev; skb->dev->last_rx = jiffies; + st = per_cpu_ptr(sge->port_stats[p->iff], smp_processor_id()); + st->rx_packets++; + skb->protocol = eth_type_trans(skb, skb->dev); if ((adapter->flags & RX_CSUM_ENABLED) && p->csum == 0xffff && skb->protocol == htons(ETH_P_IP) && (skb->data[9] == IPPROTO_TCP || skb->data[9] == IPPROTO_UDP)) { - sge->port_stats[p->iff].rx_cso_good++; + ++st->rx_cso_good; skb->ip_summed = CHECKSUM_UNNECESSARY; } else skb->ip_summed = CHECKSUM_NONE; if (unlikely(adapter->vlan_grp && p->vlan_valid)) { - sge->port_stats[p->iff].vlan_xtract++; + st->vlan_xtract++; if (adapter->params.sge.polling) vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, ntohs(p->vlan)); @@ -1862,8 +1884,8 @@ static inline int eth_hdr_len(const void *data) int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct adapter *adapter = dev->priv; - struct sge_port_stats *st = &adapter->sge->port_stats[dev->if_port]; struct sge *sge = adapter->sge; + struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port], smp_processor_id()); struct cpl_tx_pkt *cpl; if (skb->protocol == htons(ETH_P_CPL5)) @@ -1873,7 +1895,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) int eth_type; struct cpl_tx_pkt_lso *hdr; - st->tso++; + ++st->tx_tso; eth_type = skb->nh.raw - skb->data == ETH_HLEN ? CPL_ETH_II : CPL_ETH_II_VLAN; @@ -1887,7 +1909,6 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_shinfo(skb)->gso_size)); hdr->len = htonl(skb->len - sizeof(*hdr)); cpl = (struct cpl_tx_pkt *)hdr; - sge->stats.tx_lso_pkts++; } else { /* * Packets shorter than ETH_HLEN can break the MAC, drop them @@ -1955,8 +1976,6 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) /* the length field isn't used so don't bother setting it */ st->tx_cso += (skb->ip_summed == CHECKSUM_PARTIAL); - sge->stats.tx_do_cksum += (skb->ip_summed == CHECKSUM_PARTIAL); - sge->stats.tx_reg_pkts++; } cpl->iff = dev->if_port; @@ -1970,6 +1989,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) cpl->vlan_valid = 0; send: + st->tx_packets++; dev->trans_start = jiffies; return t1_sge_tx(skb, adapter, 0, dev); } @@ -2151,6 +2171,7 @@ struct sge * __devinit t1_sge_create(struct adapter *adapter, struct sge_params *p) { struct sge *sge = kzalloc(sizeof(*sge), GFP_KERNEL); + int i; if (!sge) return NULL; @@ -2160,6 +2181,12 @@ struct sge * __devinit t1_sge_create(struct adapter *adapter, sge->rx_pkt_pad = t1_is_T1B(adapter) ? 0 : 2; sge->jumbo_fl = t1_is_T1B(adapter) ? 1 : 0; + for_each_port(adapter, i) { + sge->port_stats[i] = alloc_percpu(struct sge_port_stats); + if (!sge->port_stats[i]) + goto nomem_port; + } + init_timer(&sge->tx_reclaim_timer); sge->tx_reclaim_timer.data = (unsigned long)sge; sge->tx_reclaim_timer.function = sge_tx_reclaim_cb; @@ -2199,4 +2226,12 @@ struct sge * __devinit t1_sge_create(struct adapter *adapter, p->polling = 0; return sge; +nomem_port: + while (i >= 0) { + free_percpu(sge->port_stats[i]); + --i; + } + kfree(sge); + return NULL; + } diff --git a/drivers/net/chelsio/sge.h b/drivers/net/chelsio/sge.h index 4691c4f58e7..7ceb0117d03 100644 --- a/drivers/net/chelsio/sge.h +++ b/drivers/net/chelsio/sge.h @@ -44,6 +44,9 @@ #include struct sge_intr_counts { + unsigned int rx_drops; /* # of packets dropped due to no mem */ + unsigned int pure_rsps; /* # of non-payload responses */ + unsigned int unhandled_irqs; /* # of unhandled interrupts */ unsigned int respQ_empty; /* # times respQ empty */ unsigned int respQ_overflow; /* # respQ overflow (fatal) */ unsigned int freelistQ_empty; /* # times freelist empty */ @@ -51,24 +54,16 @@ struct sge_intr_counts { unsigned int pkt_mismatch; unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */ unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */ - unsigned int ethernet_pkts; /* # of Ethernet packets received */ - unsigned int offload_pkts; /* # of offload packets received */ - unsigned int offload_bundles; /* # of offload pkt bundles delivered */ - unsigned int pure_rsps; /* # of non-payload responses */ - unsigned int unhandled_irqs; /* # of unhandled interrupts */ - unsigned int tx_ipfrags; - unsigned int tx_reg_pkts; - unsigned int tx_lso_pkts; - unsigned int tx_do_cksum; }; struct sge_port_stats { - unsigned long rx_cso_good; /* # of successful RX csum offloads */ - unsigned long tx_cso; /* # of TX checksum offloads */ - unsigned long vlan_xtract; /* # of VLAN tag extractions */ - unsigned long vlan_insert; /* # of VLAN tag extractions */ - unsigned long tso; /* # of TSO requests */ - unsigned long rx_drops; /* # of packets dropped due to no mem */ + u64 rx_packets; /* # of Ethernet packets received */ + u64 rx_cso_good; /* # of successful RX csum offloads */ + u64 tx_packets; /* # of TX packets */ + u64 tx_cso; /* # of TX checksum offloads */ + u64 tx_tso; /* # of TSO requests */ + u64 vlan_xtract; /* # of VLAN tag extractions */ + u64 vlan_insert; /* # of VLAN tag insertions */ }; struct sk_buff; @@ -90,8 +85,8 @@ int t1_sge_intr_error_handler(struct sge *); void t1_sge_intr_enable(struct sge *); void t1_sge_intr_disable(struct sge *); void t1_sge_intr_clear(struct sge *); -const struct sge_intr_counts *t1_sge_get_intr_counts(struct sge *sge); -const struct sge_port_stats *t1_sge_get_port_stats(struct sge *sge, int port); +const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge); +void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *); void t1_sched_set_max_avail_bytes(struct sge *, unsigned int); void t1_sched_set_drain_bits_per_us(struct sge *, unsigned int, unsigned int); unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int, -- cgit v1.2.3 From cabdfb373ae74036225826ce260c16a8e260eb0b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 1 Dec 2006 16:36:22 -0800 Subject: [PATCH] chelesio: transmit locking (plus bug fix). If transmit lock is contended on, then push return code back and retry at higher level. Bugfix: If buffer is reallocated because of lack of headroom and the send is blocked, then drop packet. This is necessary because caller would end up requeuing a freed skb. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/chelsio/sge.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 9911048d821..0ca8d876e16 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -1778,7 +1778,9 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, struct cmdQ *q = &sge->cmdQ[qid]; unsigned int credits, pidx, genbit, count, use_sched_skb = 0; - spin_lock(&q->lock); + if (!spin_trylock(&q->lock)) + return NETDEV_TX_LOCKED; + reclaim_completed_tx(sge, q); pidx = q->pidx; @@ -1887,6 +1889,8 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) struct sge *sge = adapter->sge; struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port], smp_processor_id()); struct cpl_tx_pkt *cpl; + struct sk_buff *orig_skb = skb; + int ret; if (skb->protocol == htons(ETH_P_CPL5)) goto send; @@ -1930,8 +1934,6 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) * Complain when this happens but try to fix things up. */ if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) { - struct sk_buff *orig_skb = skb; - pr_debug("%s: headroom %d header_len %d\n", dev->name, skb_headroom(skb), dev->hard_header_len); @@ -1991,7 +1993,16 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) send: st->tx_packets++; dev->trans_start = jiffies; - return t1_sge_tx(skb, adapter, 0, dev); + ret = t1_sge_tx(skb, adapter, 0, dev); + + /* If transmit busy, and we reallocated skb's due to headroom limit, + * then silently discard to avoid leak. + */ + if (unlikely(ret != NETDEV_TX_OK && skb != orig_skb)) { + dev_kfree_skb_any(skb); + ret = NETDEV_TX_OK; + } + return ret; } /* -- cgit v1.2.3 From e8a2b6a4207332a2d59628a12cece9e8c1d769e4 Mon Sep 17 00:00:00 2001 From: Andy Fleming Date: Fri, 1 Dec 2006 12:01:06 -0600 Subject: [PATCH] PHY: Add support for configuring the PHY connection interface Most PHYs connect to an ethernet controller over a GMII or MII interface. However, a growing number are connected over different interfaces, such as RGMII or SGMII. The ethernet driver will tell the PHY what type of connection it is by setting it manually, or passing it in through phy_connect (or phy_attach). Changes include: * Updates to documentation * Updates to PHY Lib consumers * Changes to PHY Lib to add interface support * Some minor changes to whitespace in phy.h * gianfar driver now detects interface and passes appropriate value to PHY Lib Signed-off-by: Andrew Fleming Signed-off-by: Jeff Garzik --- drivers/net/au1000_eth.c | 3 ++- drivers/net/fs_enet/fs_enet-main.c | 3 ++- drivers/net/gianfar.c | 39 ++++++++++++++++++++++++++++++++++++-- drivers/net/gianfar.h | 3 +++ drivers/net/phy/phy_device.c | 29 +++++++++++++++++++--------- 5 files changed, 64 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 7db3c8af089..f0b6879a1c7 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -360,7 +360,8 @@ static int mii_probe (struct net_device *dev) BUG_ON(!phydev); BUG_ON(phydev->attached_dev); - phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0); + phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0, + PHY_INTERFACE_MODE_MII); if (IS_ERR(phydev)) { printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index cb3958704a8..889d3a13e95 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -779,7 +779,8 @@ static int fs_init_phy(struct net_device *dev) fep->oldspeed = 0; fep->oldduplex = -1; if(fep->fpi->bus_id) - phydev = phy_connect(dev, fep->fpi->bus_id, &fs_adjust_link, 0); + phydev = phy_connect(dev, fep->fpi->bus_id, &fs_adjust_link, 0, + PHY_INTERFACE_MODE_MII); else { printk("No phy bus ID specified in BSP code\n"); return -EINVAL; diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 6bf18c82083..baa35144134 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -9,7 +9,7 @@ * Author: Andy Fleming * Maintainer: Kumar Gala * - * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. + * Copyright (c) 2002-2006 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -398,6 +398,38 @@ static int gfar_remove(struct platform_device *pdev) } +/* Reads the controller's registers to determine what interface + * connects it to the PHY. + */ +static phy_interface_t gfar_get_interface(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + u32 ecntrl = gfar_read(&priv->regs->ecntrl); + + if (ecntrl & ECNTRL_SGMII_MODE) + return PHY_INTERFACE_MODE_SGMII; + + if (ecntrl & ECNTRL_TBI_MODE) { + if (ecntrl & ECNTRL_REDUCED_MODE) + return PHY_INTERFACE_MODE_RTBI; + else + return PHY_INTERFACE_MODE_TBI; + } + + if (ecntrl & ECNTRL_REDUCED_MODE) { + if (ecntrl & ECNTRL_REDUCED_MII_MODE) + return PHY_INTERFACE_MODE_RMII; + else + return PHY_INTERFACE_MODE_RGMII; + } + + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT) + return PHY_INTERFACE_MODE_GMII; + + return PHY_INTERFACE_MODE_MII; +} + + /* Initializes driver's PHY state, and attaches to the PHY. * Returns 0 on success. */ @@ -409,6 +441,7 @@ static int init_phy(struct net_device *dev) SUPPORTED_1000baseT_Full : 0; struct phy_device *phydev; char phy_id[BUS_ID_SIZE]; + phy_interface_t interface; priv->oldlink = 0; priv->oldspeed = 0; @@ -416,7 +449,9 @@ static int init_phy(struct net_device *dev) snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id); - phydev = phy_connect(dev, phy_id, &adjust_link, 0); + interface = gfar_get_interface(dev); + + phydev = phy_connect(dev, phy_id, &adjust_link, 0, interface); if (IS_ERR(phydev)) { printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 9e81a50cf2b..39e9e321fcb 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -160,7 +160,10 @@ extern const char gfar_driver_version[]; #define ECNTRL_INIT_SETTINGS 0x00001000 #define ECNTRL_TBI_MODE 0x00000020 +#define ECNTRL_REDUCED_MODE 0x00000010 #define ECNTRL_R100 0x00000008 +#define ECNTRL_REDUCED_MII_MODE 0x00000004 +#define ECNTRL_SGMII_MODE 0x00000002 #define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 2a08b2b62c4..b01fc70a57d 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -59,6 +59,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id) dev->duplex = -1; dev->pause = dev->asym_pause = 0; dev->link = 1; + dev->interface = PHY_INTERFACE_MODE_GMII; dev->autoneg = AUTONEG_ENABLE; @@ -137,11 +138,12 @@ void phy_prepare_link(struct phy_device *phydev, * the desired functionality. */ struct phy_device * phy_connect(struct net_device *dev, const char *phy_id, - void (*handler)(struct net_device *), u32 flags) + void (*handler)(struct net_device *), u32 flags, + u32 interface) { struct phy_device *phydev; - phydev = phy_attach(dev, phy_id, flags); + phydev = phy_attach(dev, phy_id, flags, interface); if (IS_ERR(phydev)) return phydev; @@ -186,7 +188,7 @@ static int phy_compare_id(struct device *dev, void *data) } struct phy_device *phy_attach(struct net_device *dev, - const char *phy_id, u32 flags) + const char *phy_id, u32 flags, u32 interface) { struct bus_type *bus = &mdio_bus_type; struct phy_device *phydev; @@ -231,6 +233,20 @@ struct phy_device *phy_attach(struct net_device *dev, phydev->dev_flags = flags; + phydev->interface = interface; + + /* Do initial configuration here, now that + * we have certain key parameters + * (dev_flags and interface) */ + if (phydev->drv->config_init) { + int err; + + err = phydev->drv->config_init(phydev); + + if (err < 0) + return ERR_PTR(err); + } + return phydev; } EXPORT_SYMBOL(phy_attach); @@ -612,13 +628,8 @@ static int phy_probe(struct device *dev) spin_unlock(&phydev->lock); - if (err < 0) - return err; - - if (phydev->drv->config_init) - err = phydev->drv->config_init(phydev); - return err; + } static int phy_remove(struct device *dev) -- cgit v1.2.3 From 71bd7877d470b4037c9ef0d060ac39228f0f6289 Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Fri, 1 Dec 2006 05:36:22 -0800 Subject: [PATCH] NetXen: driver cleanup, removed unnecessary __iomem type casts Signed-off-by: Amit S. Kale netxen_nic.h | 38 ++++++++------------------------------ netxen_nic_ethtool.c | 5 ++--- netxen_nic_hw.c | 12 +++++------- netxen_nic_main.c | 8 +++----- 4 files changed, 18 insertions(+), 45 deletions(-) Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 38 +++++++-------------------------- drivers/net/netxen/netxen_nic_ethtool.c | 5 ++--- drivers/net/netxen/netxen_nic_hw.c | 12 +++++------ drivers/net/netxen/netxen_nic_main.c | 8 +++---- 4 files changed, 18 insertions(+), 45 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 1bee560d7d0..d925053fe59 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -343,7 +343,6 @@ typedef enum { NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e, NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f } netxen_brdtype_t; -#define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(netxen_brdinfo_t)) typedef enum { NETXEN_BRDMFG_INVENTEC = 1 @@ -937,9 +936,7 @@ static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) /* * ISR_INT_MASK: Can be read from window 0 or 1. */ - writel(0x7ff, - (void __iomem - *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); } @@ -959,14 +956,12 @@ static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) break; } - writel(mask, - (void __iomem - *)(PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK))); + writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; - writel(mask, (void __iomem *) - (PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK))); + writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, + ISR_INT_TARGET_MASK)); } } @@ -975,13 +970,13 @@ static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) */ #define NETXEN_MAX_SHORT_NAME 16 -typedef struct { +struct netxen_brdinfo { netxen_brdtype_t brdtype; /* type of board */ long ports; /* max no of physical ports */ char short_name[NETXEN_MAX_SHORT_NAME]; -} netxen_brdinfo_t; +}; -static const netxen_brdinfo_t netxen_boards[] = { +static const struct netxen_brdinfo netxen_boards[] = { {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"}, {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"}, {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"}, @@ -990,24 +985,7 @@ static const netxen_brdinfo_t netxen_boards[] = { {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"}, }; -#define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(netxen_brdinfo_t)) - -static inline void get_brd_ports_name_by_type(u32 type, int *ports, char *name) -{ - int i, found = 0; - for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { - if (netxen_boards[i].brdtype == type) { - *ports = netxen_boards[i].ports; - strcpy(name, netxen_boards[i].short_name); - found = 1; - break; - } - } - if (!found) { - *ports = 0; - name = "Unknown"; - } -} +#define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(struct netxen_brdinfo)) static inline void get_brd_port_by_type(u32 type, int *ports) { diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index f3fc35cf8af..9a914aeba5b 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -139,8 +139,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) { struct netxen_port *port = netdev_priv(dev); struct netxen_adapter *adapter = port->adapter; - struct netxen_board_info *boardinfo; - boardinfo = &adapter->ahw.boardcfg; + struct netxen_board_info *boardinfo = &adapter->ahw.boardcfg; /* read which mode */ if (adapter->ahw.board_type == NETXEN_NIC_GBE) { @@ -208,7 +207,7 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) ecmd->autoneg = AUTONEG_DISABLE; break; default: - printk("ERROR: Unsupported board model %d\n", + printk(KERN_ERR "netxen-nic: Unsupported board model %d\n", (netxen_brdtype_t) boardinfo->board_type); return -EIO; diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 99e647a5ae7..105c24f0ad4 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -275,10 +275,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) rcv_desc->desc_head = (struct rcv_desc *)addr; } - addr = netxen_alloc(adapter->ahw.pdev, - STATUS_DESC_RINGSIZE, - &recv_ctx-> - rcv_status_desc_phys_addr, + addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE, + &recv_ctx->rcv_status_desc_phys_addr, &recv_ctx->rcv_status_desc_pdev); if (addr == NULL) { DPRINTK(ERR, "bad return from" @@ -675,7 +673,7 @@ void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value) void __iomem *addr; netxen_nic_pci_change_crbwindow(adapter, 0); - addr = (void __iomem *)(pci_base_offset(adapter, index)); + addr = pci_base_offset(adapter, index); writel(value, addr); netxen_nic_pci_change_crbwindow(adapter, 1); } @@ -685,7 +683,7 @@ void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value) { void __iomem *addr; - addr = (void __iomem *)(pci_base_offset(adapter, index)); + addr = pci_base_offset(adapter, index); netxen_nic_pci_change_crbwindow(adapter, 0); *value = readl(addr); @@ -865,7 +863,7 @@ netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, writel(data, NETXEN_CRB_NORMALIZE(adapter, off)); } else { netxen_nic_pci_change_crbwindow(adapter, 0); - addr = (void __iomem *)(pci_base_offset(adapter, off)); + addr = pci_base_offset(adapter, off); writel(data, addr); netxen_nic_pci_change_crbwindow(adapter, 1); } diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index cd1336e899b..1cb662d5bd7 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -969,11 +969,9 @@ netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) netxen_nic_disable_int(adapter); /* Window = 0 or 1 */ do { - writel(0xffffffff, (void __iomem *) - (PCI_OFFSET_SECOND_RANGE - (adapter, ISR_INT_TARGET_STATUS))); - mask = readl((void __iomem *) - pci_base_offset(adapter, ISR_INT_VECTOR)); + writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter, + ISR_INT_TARGET_STATUS)); + mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR)); } while (((mask & 0x80) != 0) && (++count < 32)); if ((mask & 0x80) != 0) printk("Could not disable interrupt completely\n"); -- cgit v1.2.3 From aae343d493df965ac3abec1bd97cccfe44a7d920 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sat, 2 Dec 2006 07:14:39 -0500 Subject: [netdrvr] skge: build fix Signed-off-by: Jeff Garzik --- drivers/net/skge.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 010fc654112..27b537c8d5e 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2252,6 +2252,7 @@ static void skge_phy_reset(struct skge_port *skge) { struct skge_hw *hw = skge->hw; int port = skge->port; + struct net_device *dev = hw->dev[port]; netif_stop_queue(skge->netdev); netif_carrier_off(skge->netdev); -- cgit v1.2.3 From 90833aa4f496d69ca374af6acef7d1614c8693ff Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Nov 2006 16:02:22 -0800 Subject: [NET]: The scheduled removal of the frame diverter. This patch contains the scheduled removal of the frame diverter. Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- drivers/net/Space.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/Space.c b/drivers/net/Space.c index a67f5efc983..602ed31a5dd 100644 --- a/drivers/net/Space.c +++ b/drivers/net/Space.c @@ -33,7 +33,6 @@ #include #include #include -#include /* A unified ethernet device probe. This is the easiest way to have every ethernet adaptor have the name "eth[0123...]". -- cgit v1.2.3 From 5f3f24faf322e54752d1df00cdb768a013de5d1f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 13 Nov 2006 16:12:08 -0800 Subject: [ATM] ambassador,firestream: "-1 >>" is implementation defined 6.5.7(5): The result of E1 >> E2 is E1 right-shifted E2 bit positions. ... If E1 has a signed type and a negative value, the resulting value is implementation defined. So, cast -1 to unsigned type to make result well-defined. [ Modified to use ~0U based upon recommendation from Al Viro. -DaveM ] Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- drivers/atm/ambassador.c | 2 +- drivers/atm/firestream.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c index 9fffa7af6db..afa7d750a59 100644 --- a/drivers/atm/ambassador.c +++ b/drivers/atm/ambassador.c @@ -972,7 +972,7 @@ static int make_rate (unsigned int rate, rounding r, } case round_up: { // check all bits that we are discarding - if (man & (-1>>9)) { + if (man & (~0U>>9)) { man = (man>>(32-9)) + 1; if (man == (1<<9)) { // no need to check for round up outside of range diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 697ad82f663..9c67df5ccfa 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -512,7 +512,7 @@ static unsigned int make_rate (unsigned int rate, int r, } case ROUND_UP: { /* check all bits that we are discarding */ - if (man & (-1>>9)) { + if (man & (~0U>>9)) { man = (man>>(32-9)) + 1; if (man == (1<<9)) { /* no need to check for round up outside of range */ -- cgit v1.2.3 From b41848b61bae30e3661efd4ec62ea380cedef687 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 26 Oct 2006 15:46:52 -0700 Subject: netpoll setup error handling The beast was not always healthy. When it was sick, it tended to be laconic and not tell anyone the real problem. A few small changes had it telling the world about its problems, if they really wanted to hear. Signed-off-by: Stephen Hemminger --- drivers/net/netconsole.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index bf58db29e2e..e6e8a9797b6 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -102,6 +102,8 @@ __setup("netconsole=", option_setup); static int init_netconsole(void) { + int err; + if(strlen(config)) option_setup(config); @@ -110,8 +112,9 @@ static int init_netconsole(void) return 0; } - if(netpoll_setup(&np)) - return -EINVAL; + err = netpoll_setup(&np); + if (err) + return err; register_console(&netconsole); printk(KERN_INFO "netconsole: network logging started\n"); -- cgit v1.2.3 From 5de4a473bda49554e4e9bd93b78f43c49a7ea69c Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 26 Oct 2006 15:46:55 -0700 Subject: netpoll queue cleanup The beast had a long and not very happy history. At one point, a friend (netdump) had asked that he open up a little. Well, the friend was long gone now, and the beast had this dangling piece hanging (netpoll_queue). It wasn't hard to stitch the netpoll_queue back in where it belonged and make everything tidy. Signed-off-by: Stephen Hemminger --- drivers/net/netconsole.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index e6e8a9797b6..69233f6aa05 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -60,7 +60,6 @@ static struct netpoll np = { .local_port = 6665, .remote_port = 6666, .remote_mac = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, - .drop = netpoll_queue, }; static int configured = 0; -- cgit v1.2.3 From b09b845ca6724c3bbdc00c0cb2313258c7189ca9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 14 Nov 2006 20:52:19 -0800 Subject: [RANDOM]: Annotate random.h IP helpers. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- drivers/char/random.c | 48 ++++++++++++++++++++++++------------------------ 1 file changed, 24 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/char/random.c b/drivers/char/random.c index eb6b13f4211..d40df30c2b1 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1466,8 +1466,8 @@ static __init int seqgen_init(void) late_initcall(seqgen_init); #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -__u32 secure_tcpv6_sequence_number(__u32 *saddr, __u32 *daddr, - __u16 sport, __u16 dport) +__u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr, + __be16 sport, __be16 dport) { struct timeval tv; __u32 seq; @@ -1479,10 +1479,10 @@ __u32 secure_tcpv6_sequence_number(__u32 *saddr, __u32 *daddr, */ memcpy(hash, saddr, 16); - hash[4]=(sport << 16) + dport; + hash[4]=((__force u16)sport << 16) + (__force u16)dport; memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7); - seq = twothirdsMD4Transform(daddr, hash) & HASH_MASK; + seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK; seq += keyptr->count; do_gettimeofday(&tv); @@ -1496,7 +1496,7 @@ EXPORT_SYMBOL(secure_tcpv6_sequence_number); /* The code below is shamelessly stolen from secure_tcp_sequence_number(). * All blames to Andrey V. Savochkin . */ -__u32 secure_ip_id(__u32 daddr) +__u32 secure_ip_id(__be32 daddr) { struct keydata *keyptr; __u32 hash[4]; @@ -1508,7 +1508,7 @@ __u32 secure_ip_id(__u32 daddr) * The dest ip address is placed in the starting vector, * which is then hashed with random data. */ - hash[0] = daddr; + hash[0] = (__force __u32)daddr; hash[1] = keyptr->secret[9]; hash[2] = keyptr->secret[10]; hash[3] = keyptr->secret[11]; @@ -1518,8 +1518,8 @@ __u32 secure_ip_id(__u32 daddr) #ifdef CONFIG_INET -__u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr, - __u16 sport, __u16 dport) +__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, + __be16 sport, __be16 dport) { struct timeval tv; __u32 seq; @@ -1532,9 +1532,9 @@ __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr, * Note that the words are placed into the starting vector, which is * then mixed with a partial MD4 over random data. */ - hash[0]=saddr; - hash[1]=daddr; - hash[2]=(sport << 16) + dport; + hash[0]=(__force u32)saddr; + hash[1]=(__force u32)daddr; + hash[2]=((__force u16)sport << 16) + (__force u16)dport; hash[3]=keyptr->secret[11]; seq = half_md4_transform(hash, keyptr->secret) & HASH_MASK; @@ -1559,7 +1559,7 @@ __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr, EXPORT_SYMBOL(secure_tcp_sequence_number); /* Generate secure starting point for ephemeral IPV4 transport port search */ -u32 secure_ipv4_port_ephemeral(__u32 saddr, __u32 daddr, __u16 dport) +u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport) { struct keydata *keyptr = get_keyptr(); u32 hash[4]; @@ -1568,25 +1568,25 @@ u32 secure_ipv4_port_ephemeral(__u32 saddr, __u32 daddr, __u16 dport) * Pick a unique starting offset for each ephemeral port search * (saddr, daddr, dport) and 48bits of random data. */ - hash[0] = saddr; - hash[1] = daddr; - hash[2] = dport ^ keyptr->secret[10]; + hash[0] = (__force u32)saddr; + hash[1] = (__force u32)daddr; + hash[2] = (__force u32)dport ^ keyptr->secret[10]; hash[3] = keyptr->secret[11]; return half_md4_transform(hash, keyptr->secret); } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dport) +u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, __be16 dport) { struct keydata *keyptr = get_keyptr(); u32 hash[12]; memcpy(hash, saddr, 16); - hash[4] = dport; + hash[4] = (__force u32)dport; memcpy(&hash[5],keyptr->secret,sizeof(__u32) * 7); - return twothirdsMD4Transform(daddr, hash); + return twothirdsMD4Transform((const __u32 *)daddr, hash); } #endif @@ -1595,17 +1595,17 @@ u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dpo * bit's 32-47 increase every key exchange * 0-31 hash(source, dest) */ -u64 secure_dccp_sequence_number(__u32 saddr, __u32 daddr, - __u16 sport, __u16 dport) +u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, + __be16 sport, __be16 dport) { struct timeval tv; u64 seq; __u32 hash[4]; struct keydata *keyptr = get_keyptr(); - hash[0] = saddr; - hash[1] = daddr; - hash[2] = (sport << 16) + dport; + hash[0] = (__force u32)saddr; + hash[1] = (__force u32)daddr; + hash[2] = ((__force u16)sport << 16) + (__force u16)dport; hash[3] = keyptr->secret[11]; seq = half_md4_transform(hash, keyptr->secret); @@ -1641,7 +1641,7 @@ unsigned int get_random_int(void) * drain on it), and uses halfMD4Transform within the second. We * also mix it with jiffies and the PID: */ - return secure_ip_id(current->pid + jiffies); + return secure_ip_id((__force __be32)(current->pid + jiffies)); } /* -- cgit v1.2.3 From 3277c39f8d706afb6fefc02f49563a73bbd405b9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 14 Nov 2006 21:13:53 -0800 Subject: [NET]: Kill direct includes of asm/checksum.h Signed-off-by: Al Viro Signed-off-by: David S. Miller --- drivers/net/ioc3-eth.c | 1 - drivers/net/meth.c | 1 - drivers/net/myri_sbus.c | 1 - drivers/net/typhoon.c | 1 - 4 files changed, 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c index f56b00ee385..f0d30cf67b5 100644 --- a/drivers/net/ioc3-eth.c +++ b/drivers/net/ioc3-eth.c @@ -57,7 +57,6 @@ #include #include -#include #include #include #include diff --git a/drivers/net/meth.c b/drivers/net/meth.c index c1aa60b9a98..e1d97cdf649 100644 --- a/drivers/net/meth.c +++ b/drivers/net/meth.c @@ -33,7 +33,6 @@ #include #include -#include #include #include diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c index 7747bfd99f9..ee26ef52289 100644 --- a/drivers/net/myri_sbus.c +++ b/drivers/net/myri_sbus.c @@ -39,7 +39,6 @@ static char version[] = #include #include #include -#include #include "myri_sbus.h" #include "myri_code.h" diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index 3bf9e630404..8ddea1da7c0 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -127,7 +127,6 @@ static const int multicast_filter_limit = 32; #include #include #include -#include #include #include -- cgit v1.2.3 From 5a5a852e45b651c71dfeb3972b30d58742f8941e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 14 Nov 2006 21:43:44 -0800 Subject: [NET] driver/s390/net: Checksum annotations. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- drivers/s390/net/lcs.c | 2 +- drivers/s390/net/lcs.h | 4 ++-- drivers/s390/net/qeth_eddp.c | 40 ++++++++++++++++++++-------------------- drivers/s390/net/qeth_eddp.h | 2 +- 4 files changed, 24 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 16ac68c27a2..66a8aec6efa 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1147,7 +1147,7 @@ list_modified: * get mac address for the relevant Multicast address */ static void -lcs_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) +lcs_get_mac_for_ipm(__be32 ipm, char *mac, struct net_device *dev) { LCS_DBF_TEXT(4,trace, "getmac"); if (dev->type == ARPHRD_IEEE802_TR) diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h index 93143932983..b5247dc08b5 100644 --- a/drivers/s390/net/lcs.h +++ b/drivers/s390/net/lcs.h @@ -169,7 +169,7 @@ struct lcs_header { } __attribute__ ((packed)); struct lcs_ip_mac_pair { - __u32 ip_addr; + __be32 ip_addr; __u8 mac_addr[LCS_MAC_LENGTH]; __u8 reserved[2]; } __attribute__ ((packed)); @@ -287,7 +287,7 @@ struct lcs_card { enum lcs_dev_states state; struct net_device *dev; struct net_device_stats stats; - unsigned short (*lan_type_trans)(struct sk_buff *skb, + __be16 (*lan_type_trans)(struct sk_buff *skb, struct net_device *dev); struct ccwgroup_device *gdev; struct lcs_channel read; diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index a363721cf28..6bb558a9a03 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -258,7 +258,7 @@ qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx, static inline void qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, - u32 *hcsum) + __wsum *hcsum) { struct skb_frag_struct *frag; int left_in_frag; @@ -305,7 +305,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, static inline void qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx, struct qeth_eddp_data *eddp, int data_len, - u32 hcsum) + __wsum hcsum) { u8 *page; int page_remainder; @@ -349,10 +349,10 @@ qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx, ((struct tcphdr *)eddp->th_in_ctx)->check = csum_fold(hcsum); } -static inline u32 +static inline __wsum qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len) { - u32 phcsum; /* pseudo header checksum */ + __wsum phcsum; /* pseudo header checksum */ QETH_DBF_TEXT(trace, 5, "eddpckt4"); eddp->th.tcp.h.check = 0; @@ -363,11 +363,11 @@ qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len) return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum); } -static inline u32 +static inline __wsum qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len) { - u32 proto; - u32 phcsum; /* pseudo header checksum */ + __be32 proto; + __wsum phcsum; /* pseudo header checksum */ QETH_DBF_TEXT(trace, 5, "eddpckt6"); eddp->th.tcp.h.check = 0; @@ -405,7 +405,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, { struct tcphdr *tcph; int data_len; - u32 hcsum; + __wsum hcsum; QETH_DBF_TEXT(trace, 5, "eddpftcp"); eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl; @@ -433,22 +433,22 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, eddp->qh.hdr.l3.length = data_len + eddp->nhl + eddp->thl; /* prepare ip hdr */ - if (eddp->skb->protocol == ETH_P_IP){ - eddp->nh.ip4.h.tot_len = data_len + eddp->nhl + - eddp->thl; + if (eddp->skb->protocol == htons(ETH_P_IP)){ + eddp->nh.ip4.h.tot_len = htons(data_len + eddp->nhl + + eddp->thl); eddp->nh.ip4.h.check = 0; eddp->nh.ip4.h.check = ip_fast_csum((u8 *)&eddp->nh.ip4.h, eddp->nh.ip4.h.ihl); } else - eddp->nh.ip6.h.payload_len = data_len + eddp->thl; + eddp->nh.ip6.h.payload_len = htons(data_len + eddp->thl); /* prepare tcp hdr */ if (data_len == (eddp->skb->len - eddp->skb_offset)){ /* last segment -> set FIN and PSH flags */ eddp->th.tcp.h.fin = tcph->fin; eddp->th.tcp.h.psh = tcph->psh; } - if (eddp->skb->protocol == ETH_P_IP) + if (eddp->skb->protocol == htons(ETH_P_IP)) hcsum = qeth_eddp_check_tcp4_hdr(eddp, data_len); else hcsum = qeth_eddp_check_tcp6_hdr(eddp, data_len); @@ -458,9 +458,9 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, if (eddp->skb_offset >= eddp->skb->len) break; /* prepare headers for next round */ - if (eddp->skb->protocol == ETH_P_IP) - eddp->nh.ip4.h.id++; - eddp->th.tcp.h.seq += data_len; + if (eddp->skb->protocol == htons(ETH_P_IP)) + eddp->nh.ip4.h.id = htons(ntohs(eddp->nh.ip4.h.id) + 1); + eddp->th.tcp.h.seq = htonl(ntohl(eddp->th.tcp.h.seq) + data_len); } } @@ -472,7 +472,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, QETH_DBF_TEXT(trace, 5, "eddpficx"); /* create our segmentation headers and copy original headers */ - if (skb->protocol == ETH_P_IP) + if (skb->protocol == htons(ETH_P_IP)) eddp = qeth_eddp_create_eddp_data(qhdr, (u8 *)skb->nh.iph, skb->nh.iph->ihl*4, (u8 *)skb->h.th, skb->h.th->doff*4); @@ -490,7 +490,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN); #ifdef CONFIG_QETH_VLAN if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) { - eddp->vlan[0] = __constant_htons(skb->protocol); + eddp->vlan[0] = skb->protocol; eddp->vlan[1] = htons(vlan_tx_tag_get(skb)); } #endif /* CONFIG_QETH_VLAN */ @@ -588,11 +588,11 @@ qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb, struct qeth_eddp_context *ctx = NULL; QETH_DBF_TEXT(trace, 5, "creddpct"); - if (skb->protocol == ETH_P_IP) + if (skb->protocol == htons(ETH_P_IP)) ctx = qeth_eddp_create_context_generic(card, skb, sizeof(struct qeth_hdr) + skb->nh.iph->ihl*4 + skb->h.th->doff*4); - else if (skb->protocol == ETH_P_IPV6) + else if (skb->protocol == htons(ETH_P_IPV6)) ctx = qeth_eddp_create_context_generic(card, skb, sizeof(struct qeth_hdr) + sizeof(struct ipv6hdr) + skb->h.th->doff*4); diff --git a/drivers/s390/net/qeth_eddp.h b/drivers/s390/net/qeth_eddp.h index cae9ba26505..103768d3bab 100644 --- a/drivers/s390/net/qeth_eddp.h +++ b/drivers/s390/net/qeth_eddp.h @@ -54,7 +54,7 @@ qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *, struct qeth_eddp_data { struct qeth_hdr qh; struct ethhdr mac; - u16 vlan[2]; + __be16 vlan[2]; union { struct { struct iphdr h; -- cgit v1.2.3 From 58a5a7b9555ea231b557ebef5cabeaf8e951df0b Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 16 Nov 2006 14:06:06 -0200 Subject: [NET]: Conditionally use bh_lock_sock_nested in sk_receive_skb Spotted by Ian McDonald, tentatively fixed by Gerrit Renker: http://www.mail-archive.com/dccp%40vger.kernel.org/msg00599.html Rewritten not to unroll sk_receive_skb, in the common case, i.e. no lock debugging, its optimized away. Signed-off-by: Arnaldo Carvalho de Melo --- drivers/net/pppoe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index 0adee733b76..315d5c3fc66 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -393,7 +393,7 @@ static int pppoe_rcv(struct sk_buff *skb, po = get_item((unsigned long) ph->sid, eth_hdr(skb)->h_source); if (po != NULL) - return sk_receive_skb(sk_pppox(po), skb); + return sk_receive_skb(sk_pppox(po), skb, 0); drop: kfree_skb(skb); out: -- cgit v1.2.3 From 7510873d8659f4192cb5b3327f748e401d216399 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:06:40 -0800 Subject: [BNX2]: Fix Xen problem. This fixes the problem of not receiving packets in the Xen bridging environment. The Xen script sets the device's MAC address to FE:FF:FF:FF:FF:FF and puts the device in promiscuous mode. The firmware had problem receiving all packets in this configuration. New firmware and setting the PROM_VLAN bit when in promiscuous mode will fix this problem. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 3 +- drivers/net/bnx2_fw.h | 1069 +++++++++++++++++++++++++++++++------------------ 2 files changed, 691 insertions(+), 381 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 01b76d3aa42..b60e45d1ce3 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2040,7 +2040,8 @@ bnx2_set_rx_mode(struct net_device *dev) if (dev->flags & IFF_PROMISC) { /* Promiscuous mode. */ rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS; - sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN; + sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN | + BNX2_RPM_SORT_USER0_PROM_VLAN; } else if (dev->flags & IFF_ALLMULTI) { for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { diff --git a/drivers/net/bnx2_fw.h b/drivers/net/bnx2_fw.h index 2d753dca0d7..4adc8de3063 100644 --- a/drivers/net/bnx2_fw.h +++ b/drivers/net/bnx2_fw.h @@ -673,389 +673,698 @@ static u32 bnx2_COM_b06FwRodata[(0x58/4) + 1] = { static u32 bnx2_COM_b06FwBss[(0x88/4) + 1] = { 0x0 }; static u32 bnx2_COM_b06FwSbss[(0x1c/4) + 1] = { 0x0 }; -static int bnx2_RXP_b06FwReleaseMajor = 0x1; -static int bnx2_RXP_b06FwReleaseMinor = 0x0; -static int bnx2_RXP_b06FwReleaseFix = 0x0; -static u32 bnx2_RXP_b06FwStartAddr = 0x08003184; -static u32 bnx2_RXP_b06FwTextAddr = 0x08000000; -static int bnx2_RXP_b06FwTextLen = 0x588c; -static u32 bnx2_RXP_b06FwDataAddr = 0x080058e0; -static int bnx2_RXP_b06FwDataLen = 0x0; -static u32 bnx2_RXP_b06FwRodataAddr = 0x08005890; -static int bnx2_RXP_b06FwRodataLen = 0x28; -static u32 bnx2_RXP_b06FwBssAddr = 0x08005900; -static int bnx2_RXP_b06FwBssLen = 0x13a4; -static u32 bnx2_RXP_b06FwSbssAddr = 0x080058e0; -static int bnx2_RXP_b06FwSbssLen = 0x1c; +static const int bnx2_RXP_b06FwReleaseMajor = 0x2; +static const int bnx2_RXP_b06FwReleaseMinor = 0x8; +static const int bnx2_RXP_b06FwReleaseFix = 0x17; +static const u32 bnx2_RXP_b06FwStartAddr = 0x08003184; +static const u32 bnx2_RXP_b06FwTextAddr = 0x08000000; +static const int bnx2_RXP_b06FwTextLen = 0x6728; +static const u32 bnx2_RXP_b06FwDataAddr = 0x080069c0; +static const int bnx2_RXP_b06FwDataLen = 0x0; +static const u32 bnx2_RXP_b06FwRodataAddr = 0x08006728; +static const int bnx2_RXP_b06FwRodataLen = 0x278; +static const u32 bnx2_RXP_b06FwBssAddr = 0x080069f0; +static const int bnx2_RXP_b06FwBssLen = 0x13dc; +static const u32 bnx2_RXP_b06FwSbssAddr = 0x080069c0; +static const int bnx2_RXP_b06FwSbssLen = 0x2c; static u8 bnx2_RXP_b06FwText[] = { - 0x1f, 0x8b, 0x08, 0x08, 0x07, 0x87, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, - 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xed, 0x5c, 0x5d, 0x6c, - 0x1c, 0xd7, 0x75, 0x3e, 0xf3, 0x43, 0x71, 0x49, 0x91, 0xd4, 0x70, 0xb9, - 0x62, 0x57, 0x12, 0x65, 0xed, 0x8a, 0x43, 0x71, 0x6d, 0x31, 0xce, 0x50, - 0x58, 0xdb, 0x82, 0xb1, 0x48, 0xc7, 0xb3, 0xa4, 0xc8, 0x24, 0x02, 0x42, - 0x1b, 0x42, 0xab, 0xa4, 0xa9, 0xc1, 0x90, 0x72, 0x91, 0x22, 0x2c, 0xa0, - 0x1a, 0x79, 0xf0, 0x43, 0x10, 0x2f, 0x56, 0x3f, 0xa6, 0xd1, 0x8d, 0x96, - 0xb6, 0x1c, 0x53, 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0xdd, + 0xe9, 0xea, 0x41, 0xdc, 0xa3, 0xce, 0x01, 0x67, 0x3a, 0xc3, 0xfb, 0x05, + 0x94, 0x19, 0x1b, 0x99, 0xc3, 0x35, 0x16, 0xd4, 0xfd, 0x7c, 0x40, 0x73, + 0xf5, 0xf1, 0x87, 0xfd, 0x66, 0xaa, 0x56, 0x21, 0x13, 0xba, 0xab, 0x8c, + 0x9f, 0xad, 0x0f, 0x10, 0x73, 0x0f, 0xda, 0xfc, 0x45, 0xe4, 0x6f, 0xa6, + 0x8e, 0x29, 0x04, 0xcf, 0xf6, 0xc9, 0xb3, 0x26, 0x73, 0xcd, 0xd3, 0x6a, + 0xa2, 0xf2, 0x72, 0x90, 0x57, 0x7b, 0x57, 0x1d, 0xac, 0x35, 0x07, 0xfc, + 0xbc, 0x74, 0xbe, 0x7b, 0x6f, 0x2e, 0xfa, 0x5e, 0x39, 0x61, 0x4e, 0x7a, + 0x07, 0x78, 0xab, 0x36, 0x62, 0xd0, 0x41, 0xe0, 0x9d, 0xdd, 0xa6, 0xf5, + 0xb1, 0xd8, 0xf8, 0x97, 0xb7, 0xad, 0xf5, 0xb9, 0x15, 0x63, 0xb8, 0x35, + 0x40, 0xdf, 0x96, 0xb8, 0x71, 0xd1, 0x8f, 0x1b, 0x69, 0x1f, 0x1a, 0x58, + 0x81, 0x3a, 0xea, 0x2a, 0xf4, 0x64, 0xb7, 0x2d, 0xff, 0xfe, 0x03, 0x7d, + 0xe7, 0x95, 0xf0, 0x2c, 0x67, 0x00, 0x00, 0x00 }; static u32 bnx2_RXP_b06FwData[(0x0/4) + 1] = { 0x0 }; -static u32 bnx2_RXP_b06FwRodata[(0x28/4) + 1] = { - 0x0800468c, 0x0800458c, 0x08004630, 0x08004648, 0x08004660, 0x08004680, - 0x0800468c, 0x0800468c, 0x08004594, 0x00000000, 0x00000000 }; -static u32 bnx2_RXP_b06FwBss[(0x13a4/4) + 1] = { 0x0 }; -static u32 bnx2_RXP_b06FwSbss[(0x1c/4) + 1] = { 0x0 }; +static u32 bnx2_RXP_b06FwRodata[(0x278/4) + 1] = { + 0x08003fdc, 0x08003edc, 0x08003f80, 0x08003f98, 0x08003fb0, 0x08003fd0, + 0x08003fdc, 0x08003fdc, 0x08003ee4, 0x00000000, 0x08004a04, 0x08004a3c, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004a74, 0x08004c38, + 0x08004b80, 0x08004bb8, 0x08004c38, 0x08004b08, 0x08004c38, 0x08004c38, + 0x08004bb8, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004bf8, + 0x08004c38, 0x08004bf8, 0x08004b80, 0x08004c38, 0x08004c38, 0x08004bf8, + 0x08004bf8, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, 0x08004c38, + 0x08004ae4, 0x00000000, 0x08006018, 0x08006030, 0x08006030, 0x08006030, + 0x08006018, 0x08006030, 0x08006030, 0x08006030, 0x08006018, 0x08006030, + 0x08006030, 0x08006030, 0x08006018, 0x08006030, 0x08006030, 0x08006030, + 0x08006024, 0x00000000, 0x00000000 }; + +static u32 bnx2_RXP_b06FwBss[(0x13dc/4) + 1] = { 0x0 }; +static u32 bnx2_RXP_b06FwSbss[(0x2c/4) + 1] = { 0x0 }; static u8 bnx2_rv2p_proc1[] = { 0x1f, 0x8b, 0x08, 0x08, 0x5e, 0xd0, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, -- cgit v1.2.3 From 80be44348e30b68d2d8c5b6d1b7e53f2c5659134 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:07:28 -0800 Subject: [BNX2]: Improve SerDes handling. 1. Add support for 2.5Gbps forced speed setting. 2. Remove a long udelay() loop and change to msleep(). 3. Other misc. SerDes fixes. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 60 +++++++++++++++++++++++++++++++++++------------------- drivers/net/bnx2.h | 2 ++ 2 files changed, 41 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index b60e45d1ce3..9b391cf80a3 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -860,7 +860,7 @@ bnx2_set_link(struct bnx2 *bp) u32 bmsr; u8 link_up; - if (bp->loopback == MAC_LOOPBACK) { + if (bp->loopback == MAC_LOOPBACK || bp->loopback == PHY_LOOPBACK) { bp->link_up = 1; return 0; } @@ -902,6 +902,7 @@ bnx2_set_link(struct bnx2 *bp) u32 bmcr; bnx2_read_phy(bp, MII_BMCR, &bmcr); + bmcr &= ~BCM5708S_BMCR_FORCE_2500; if (!(bmcr & BMCR_ANENABLE)) { bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANENABLE); @@ -988,7 +989,21 @@ bnx2_setup_serdes_phy(struct bnx2 *bp) u32 new_bmcr; int force_link_down = 0; - if (CHIP_NUM(bp) == CHIP_NUM_5708) { + bnx2_read_phy(bp, MII_ADVERTISE, &adv); + adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF); + + bnx2_read_phy(bp, MII_BMCR, &bmcr); + new_bmcr = bmcr & ~(BMCR_ANENABLE | BCM5708S_BMCR_FORCE_2500); + new_bmcr |= BMCR_SPEED1000; + if (bp->req_line_speed == SPEED_2500) { + new_bmcr |= BCM5708S_BMCR_FORCE_2500; + bnx2_read_phy(bp, BCM5708S_UP1, &up1); + if (!(up1 & BCM5708S_UP1_2G5)) { + up1 |= BCM5708S_UP1_2G5; + bnx2_write_phy(bp, BCM5708S_UP1, up1); + force_link_down = 1; + } + } else if (CHIP_NUM(bp) == CHIP_NUM_5708) { bnx2_read_phy(bp, BCM5708S_UP1, &up1); if (up1 & BCM5708S_UP1_2G5) { up1 &= ~BCM5708S_UP1_2G5; @@ -997,12 +1012,6 @@ bnx2_setup_serdes_phy(struct bnx2 *bp) } } - bnx2_read_phy(bp, MII_ADVERTISE, &adv); - adv &= ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF); - - bnx2_read_phy(bp, MII_BMCR, &bmcr); - new_bmcr = bmcr & ~BMCR_ANENABLE; - new_bmcr |= BMCR_SPEED1000; if (bp->req_duplex == DUPLEX_FULL) { adv |= ADVERTISE_1000XFULL; new_bmcr |= BMCR_FULLDPLX; @@ -1023,6 +1032,7 @@ bnx2_setup_serdes_phy(struct bnx2 *bp) bp->link_up = 0; netif_carrier_off(bp->dev); bnx2_write_phy(bp, MII_BMCR, new_bmcr); + bnx2_report_link(bp); } bnx2_write_phy(bp, MII_ADVERTISE, adv); bnx2_write_phy(bp, MII_BMCR, new_bmcr); @@ -1048,12 +1058,10 @@ bnx2_setup_serdes_phy(struct bnx2 *bp) if ((adv != new_adv) || ((bmcr & BMCR_ANENABLE) == 0)) { /* Force a link down visible on the other side */ if (bp->link_up) { - int i; - bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK); - for (i = 0; i < 110; i++) { - udelay(100); - } + spin_unlock_bh(&bp->phy_lock); + msleep(20); + spin_lock_bh(&bp->phy_lock); } bnx2_write_phy(bp, MII_ADVERTISE, new_adv); @@ -1397,7 +1405,7 @@ bnx2_set_phy_loopback(struct bnx2 *bp) for (i = 0; i < 10; i++) { if (bnx2_test_link(bp) == 0) break; - udelay(10); + msleep(100); } mac_mode = REG_RD(bp, BNX2_EMAC_MODE); @@ -3713,7 +3721,9 @@ bnx2_init_nic(struct bnx2 *bp) if ((rc = bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET)) != 0) return rc; + spin_lock_bh(&bp->phy_lock); bnx2_init_phy(bp); + spin_unlock_bh(&bp->phy_lock); bnx2_set_link(bp); return 0; } @@ -3953,7 +3963,7 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) bnx2_set_mac_loopback(bp); } else if (loopback_mode == BNX2_PHY_LOOPBACK) { - bp->loopback = 0; + bp->loopback = PHY_LOOPBACK; bnx2_set_phy_loopback(bp); } else @@ -4744,10 +4754,14 @@ bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) } else { if (bp->phy_flags & PHY_SERDES_FLAG) { - if ((cmd->speed != SPEED_1000) || - (cmd->duplex != DUPLEX_FULL)) { + if ((cmd->speed != SPEED_1000 && + cmd->speed != SPEED_2500) || + (cmd->duplex != DUPLEX_FULL)) + return -EINVAL; + + if (cmd->speed == SPEED_2500 && + !(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)) return -EINVAL; - } } else if (cmd->speed == SPEED_1000) { return -EINVAL; @@ -5289,6 +5303,8 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS); if (etest->flags & ETH_TEST_FL_OFFLINE) { + int i; + bnx2_netif_stop(bp); bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); bnx2_free_skbs(bp); @@ -5313,9 +5329,11 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) } /* wait for link up */ - msleep_interruptible(3000); - if ((!bp->link_up) && !(bp->phy_flags & PHY_SERDES_FLAG)) - msleep_interruptible(4000); + for (i = 0; i < 7; i++) { + if (bp->link_up) + break; + msleep_interruptible(1000); + } } if (bnx2_test_nvram(bp) != 0) { diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index ca31904893e..78ff09d70de 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -3696,6 +3696,8 @@ struct l2_fhdr { /* 5708 Serdes PHY registers */ +#define BCM5708S_BMCR_FORCE_2500 0x20 + #define BCM5708S_UP1 0xb #define BCM5708S_UP1_2G5 0x1 -- cgit v1.2.3 From 48b01e2d7c83d37321722f1cdd46193d4ca73b41 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:08:00 -0800 Subject: [BNX2]: Add bnx2_5706_serdes_timer(). Separate the 5706S SerDes handling code in bnx2_timer() and put it in a new function. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 111 ++++++++++++++++++++++++++--------------------------- 1 file changed, 55 insertions(+), 56 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 9b391cf80a3..78974810e30 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -4173,81 +4173,80 @@ bnx2_test_intr(struct bnx2 *bp) } static void -bnx2_timer(unsigned long data) +bnx2_5706_serdes_timer(struct bnx2 *bp) { - struct bnx2 *bp = (struct bnx2 *) data; - u32 msg; + spin_lock(&bp->phy_lock); + if (bp->serdes_an_pending) + bp->serdes_an_pending--; + else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { + u32 bmcr; - if (!netif_running(bp->dev)) - return; + bp->current_interval = bp->timer_interval; - if (atomic_read(&bp->intr_sem) != 0) - goto bnx2_restart_timer; + bnx2_read_phy(bp, MII_BMCR, &bmcr); - msg = (u32) ++bp->fw_drv_pulse_wr_seq; - REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg); + if (bmcr & BMCR_ANENABLE) { + u32 phy1, phy2; - bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT); + bnx2_write_phy(bp, 0x1c, 0x7c00); + bnx2_read_phy(bp, 0x1c, &phy1); - if ((bp->phy_flags & PHY_SERDES_FLAG) && - (CHIP_NUM(bp) == CHIP_NUM_5706)) { + bnx2_write_phy(bp, 0x17, 0x0f01); + bnx2_read_phy(bp, 0x15, &phy2); + bnx2_write_phy(bp, 0x17, 0x0f01); + bnx2_read_phy(bp, 0x15, &phy2); - spin_lock(&bp->phy_lock); - if (bp->serdes_an_pending) { - bp->serdes_an_pending--; + if ((phy1 & 0x10) && /* SIGNAL DETECT */ + !(phy2 & 0x20)) { /* no CONFIG */ + + bmcr &= ~BMCR_ANENABLE; + bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX; + bnx2_write_phy(bp, MII_BMCR, bmcr); + bp->phy_flags |= PHY_PARALLEL_DETECT_FLAG; + } } - else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { - u32 bmcr; + } + else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) && + (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) { + u32 phy2; - bp->current_interval = bp->timer_interval; + bnx2_write_phy(bp, 0x17, 0x0f01); + bnx2_read_phy(bp, 0x15, &phy2); + if (phy2 & 0x20) { + u32 bmcr; bnx2_read_phy(bp, MII_BMCR, &bmcr); + bmcr |= BMCR_ANENABLE; + bnx2_write_phy(bp, MII_BMCR, bmcr); - if (bmcr & BMCR_ANENABLE) { - u32 phy1, phy2; - - bnx2_write_phy(bp, 0x1c, 0x7c00); - bnx2_read_phy(bp, 0x1c, &phy1); - - bnx2_write_phy(bp, 0x17, 0x0f01); - bnx2_read_phy(bp, 0x15, &phy2); - bnx2_write_phy(bp, 0x17, 0x0f01); - bnx2_read_phy(bp, 0x15, &phy2); + bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG; + } + } else + bp->current_interval = bp->timer_interval; - if ((phy1 & 0x10) && /* SIGNAL DETECT */ - !(phy2 & 0x20)) { /* no CONFIG */ + spin_unlock(&bp->phy_lock); +} - bmcr &= ~BMCR_ANENABLE; - bmcr |= BMCR_SPEED1000 | - BMCR_FULLDPLX; - bnx2_write_phy(bp, MII_BMCR, bmcr); - bp->phy_flags |= - PHY_PARALLEL_DETECT_FLAG; - } - } - } - else if ((bp->link_up) && (bp->autoneg & AUTONEG_SPEED) && - (bp->phy_flags & PHY_PARALLEL_DETECT_FLAG)) { - u32 phy2; +static void +bnx2_timer(unsigned long data) +{ + struct bnx2 *bp = (struct bnx2 *) data; + u32 msg; - bnx2_write_phy(bp, 0x17, 0x0f01); - bnx2_read_phy(bp, 0x15, &phy2); - if (phy2 & 0x20) { - u32 bmcr; + if (!netif_running(bp->dev)) + return; - bnx2_read_phy(bp, MII_BMCR, &bmcr); - bmcr |= BMCR_ANENABLE; - bnx2_write_phy(bp, MII_BMCR, bmcr); + if (atomic_read(&bp->intr_sem) != 0) + goto bnx2_restart_timer; - bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG; + msg = (u32) ++bp->fw_drv_pulse_wr_seq; + REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg); - } - } - else - bp->current_interval = bp->timer_interval; + bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT); - spin_unlock(&bp->phy_lock); - } + if ((bp->phy_flags & PHY_SERDES_FLAG) && + (CHIP_NUM(bp) == CHIP_NUM_5706)) + bnx2_5706_serdes_timer(bp); bnx2_restart_timer: mod_timer(&bp->timer, jiffies + bp->current_interval); -- cgit v1.2.3 From f8dd064ee1bd62ef2cdb398cb9cdc8a8f112cb28 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:08:29 -0800 Subject: [BNX2]: Add 5708S parallel detection. Add code to parallel detect 1Gbps and 2.5Gbps link speeds. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 77 +++++++++++++++++++++++++++++++++++++++--------------- drivers/net/bnx2.h | 1 + 2 files changed, 57 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 78974810e30..ea5daf6efa0 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -1067,19 +1067,17 @@ bnx2_setup_serdes_phy(struct bnx2 *bp) bnx2_write_phy(bp, MII_ADVERTISE, new_adv); bnx2_write_phy(bp, MII_BMCR, bmcr | BMCR_ANRESTART | BMCR_ANENABLE); - if (CHIP_NUM(bp) == CHIP_NUM_5706) { - /* Speed up link-up time when the link partner - * does not autonegotiate which is very common - * in blade servers. Some blade servers use - * IPMI for kerboard input and it's important - * to minimize link disruptions. Autoneg. involves - * exchanging base pages plus 3 next pages and - * normally completes in about 120 msec. - */ - bp->current_interval = SERDES_AN_TIMEOUT; - bp->serdes_an_pending = 1; - mod_timer(&bp->timer, jiffies + bp->current_interval); - } + /* Speed up link-up time when the link partner + * does not autonegotiate which is very common + * in blade servers. Some blade servers use + * IPMI for kerboard input and it's important + * to minimize link disruptions. Autoneg. involves + * exchanging base pages plus 3 next pages and + * normally completes in about 120 msec. + */ + bp->current_interval = SERDES_AN_TIMEOUT; + bp->serdes_an_pending = 1; + mod_timer(&bp->timer, jiffies + bp->current_interval); } return 0; @@ -4227,6 +4225,41 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) spin_unlock(&bp->phy_lock); } +static void +bnx2_5708_serdes_timer(struct bnx2 *bp) +{ + if ((bp->phy_flags & PHY_2_5G_CAPABLE_FLAG) == 0) { + bp->serdes_an_pending = 0; + return; + } + + spin_lock(&bp->phy_lock); + if (bp->serdes_an_pending) + bp->serdes_an_pending--; + else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { + u32 bmcr; + + bnx2_read_phy(bp, MII_BMCR, &bmcr); + + if (bmcr & BMCR_ANENABLE) { + bmcr &= ~BMCR_ANENABLE; + bmcr |= BMCR_FULLDPLX | BCM5708S_BMCR_FORCE_2500; + bnx2_write_phy(bp, MII_BMCR, bmcr); + bp->current_interval = SERDES_FORCED_TIMEOUT; + } else { + bmcr &= ~(BMCR_FULLDPLX | BCM5708S_BMCR_FORCE_2500); + bmcr |= BMCR_ANENABLE; + bnx2_write_phy(bp, MII_BMCR, bmcr); + bp->serdes_an_pending = 2; + bp->current_interval = bp->timer_interval; + } + + } else + bp->current_interval = bp->timer_interval; + + spin_unlock(&bp->phy_lock); +} + static void bnx2_timer(unsigned long data) { @@ -4244,9 +4277,12 @@ bnx2_timer(unsigned long data) bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT); - if ((bp->phy_flags & PHY_SERDES_FLAG) && - (CHIP_NUM(bp) == CHIP_NUM_5706)) - bnx2_5706_serdes_timer(bp); + if (bp->phy_flags & PHY_SERDES_FLAG) { + if (CHIP_NUM(bp) == CHIP_NUM_5706) + bnx2_5706_serdes_timer(bp); + else if (CHIP_NUM(bp) == CHIP_NUM_5708) + bnx2_5708_serdes_timer(bp); + } bnx2_restart_timer: mod_timer(&bp->timer, jiffies + bp->current_interval); @@ -4917,11 +4953,10 @@ bnx2_nway_reset(struct net_device *dev) msleep(20); spin_lock_bh(&bp->phy_lock); - if (CHIP_NUM(bp) == CHIP_NUM_5706) { - bp->current_interval = SERDES_AN_TIMEOUT; - bp->serdes_an_pending = 1; - mod_timer(&bp->timer, jiffies + bp->current_interval); - } + + bp->current_interval = SERDES_AN_TIMEOUT; + bp->serdes_an_pending = 1; + mod_timer(&bp->timer, jiffies + bp->current_interval); } bnx2_read_phy(bp, MII_BMCR, &bmcr); diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 78ff09d70de..7fa7008f402 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -4040,6 +4040,7 @@ struct bnx2 { u8 serdes_an_pending; #define SERDES_AN_TIMEOUT (HZ / 3) +#define SERDES_FORCED_TIMEOUT (HZ / 10) u8 mac_addr[8]; -- cgit v1.2.3 From a16dda0e67cea666fb7eb708ab1199892c4a1a13 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:08:56 -0800 Subject: [BNX2]: Remove udelay() in copper PHY code. Change a long udelay() in bnx2_setup_copper_phy() to msleep(). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index ea5daf6efa0..0a46b45f21d 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -1159,7 +1159,6 @@ bnx2_setup_copper_phy(struct bnx2 *bp) } if (new_bmcr != bmcr) { u32 bmsr; - int i = 0; bnx2_read_phy(bp, MII_BMSR, &bmsr); bnx2_read_phy(bp, MII_BMSR, &bmsr); @@ -1167,12 +1166,12 @@ bnx2_setup_copper_phy(struct bnx2 *bp) if (bmsr & BMSR_LSTATUS) { /* Force link down */ bnx2_write_phy(bp, MII_BMCR, BMCR_LOOPBACK); - do { - udelay(100); - bnx2_read_phy(bp, MII_BMSR, &bmsr); - bnx2_read_phy(bp, MII_BMSR, &bmsr); - i++; - } while ((bmsr & BMSR_LSTATUS) && (i < 620)); + spin_unlock_bh(&bp->phy_lock); + msleep(50); + spin_lock_bh(&bp->phy_lock); + + bnx2_read_phy(bp, MII_BMSR, &bmsr); + bnx2_read_phy(bp, MII_BMSR, &bmsr); } bnx2_write_phy(bp, MII_BMCR, new_bmcr); -- cgit v1.2.3 From af3ee519c5d6bebbda9bf0ca3b81bc50b4dd2163 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:09:25 -0800 Subject: [BNX2]: Re-organize firmware structures. Re-organize the firmware handling code and declarations a bit to make the code more compact. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 164 +++++++----------------------------------- drivers/net/bnx2.h | 48 +++++++------ drivers/net/bnx2_fw.h | 193 +++++++++++++++++++++++++++++++++++--------------- 3 files changed, 187 insertions(+), 218 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 0a46b45f21d..2633579b8c4 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2214,11 +2214,12 @@ load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len, } } -static void +static int load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw) { u32 offset; u32 val; + int rc; /* Halt the CPU. */ val = REG_RD_IND(bp, cpu_reg->mode); @@ -2228,7 +2229,18 @@ load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw) /* Load the Text area. */ offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base); - if (fw->text) { + if (fw->gz_text) { + u32 text_len; + void *text; + + rc = bnx2_gunzip(bp, fw->gz_text, fw->gz_text_len, &text, + &text_len); + if (rc) + return rc; + + fw->text = text; + } + if (fw->gz_text) { int j; for (j = 0; j < (fw->text_len / 4); j++, offset += 4) { @@ -2286,13 +2298,15 @@ load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw) val &= ~cpu_reg->mode_value_halt; REG_WR_IND(bp, cpu_reg->state, cpu_reg->state_value_clear); REG_WR_IND(bp, cpu_reg->mode, val); + + return 0; } static int bnx2_init_cpus(struct bnx2 *bp) { struct cpu_reg cpu_reg; - struct fw_info fw; + struct fw_info *fw; int rc = 0; void *text; u32 text_len; @@ -2329,44 +2343,12 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_RXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw.ver_major = bnx2_RXP_b06FwReleaseMajor; - fw.ver_minor = bnx2_RXP_b06FwReleaseMinor; - fw.ver_fix = bnx2_RXP_b06FwReleaseFix; - fw.start_addr = bnx2_RXP_b06FwStartAddr; + fw = &bnx2_rxp_fw_06; - fw.text_addr = bnx2_RXP_b06FwTextAddr; - fw.text_len = bnx2_RXP_b06FwTextLen; - fw.text_index = 0; - - rc = bnx2_gunzip(bp, bnx2_RXP_b06FwText, sizeof(bnx2_RXP_b06FwText), - &text, &text_len); + rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) goto init_cpu_err; - fw.text = text; - - fw.data_addr = bnx2_RXP_b06FwDataAddr; - fw.data_len = bnx2_RXP_b06FwDataLen; - fw.data_index = 0; - fw.data = bnx2_RXP_b06FwData; - - fw.sbss_addr = bnx2_RXP_b06FwSbssAddr; - fw.sbss_len = bnx2_RXP_b06FwSbssLen; - fw.sbss_index = 0; - fw.sbss = bnx2_RXP_b06FwSbss; - - fw.bss_addr = bnx2_RXP_b06FwBssAddr; - fw.bss_len = bnx2_RXP_b06FwBssLen; - fw.bss_index = 0; - fw.bss = bnx2_RXP_b06FwBss; - - fw.rodata_addr = bnx2_RXP_b06FwRodataAddr; - fw.rodata_len = bnx2_RXP_b06FwRodataLen; - fw.rodata_index = 0; - fw.rodata = bnx2_RXP_b06FwRodata; - - load_cpu_fw(bp, &cpu_reg, &fw); - /* Initialize the TX Processor. */ cpu_reg.mode = BNX2_TXP_CPU_MODE; cpu_reg.mode_value_halt = BNX2_TXP_CPU_MODE_SOFT_HALT; @@ -2381,44 +2363,12 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_TXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw.ver_major = bnx2_TXP_b06FwReleaseMajor; - fw.ver_minor = bnx2_TXP_b06FwReleaseMinor; - fw.ver_fix = bnx2_TXP_b06FwReleaseFix; - fw.start_addr = bnx2_TXP_b06FwStartAddr; + fw = &bnx2_txp_fw_06; - fw.text_addr = bnx2_TXP_b06FwTextAddr; - fw.text_len = bnx2_TXP_b06FwTextLen; - fw.text_index = 0; - - rc = bnx2_gunzip(bp, bnx2_TXP_b06FwText, sizeof(bnx2_TXP_b06FwText), - &text, &text_len); + rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) goto init_cpu_err; - fw.text = text; - - fw.data_addr = bnx2_TXP_b06FwDataAddr; - fw.data_len = bnx2_TXP_b06FwDataLen; - fw.data_index = 0; - fw.data = bnx2_TXP_b06FwData; - - fw.sbss_addr = bnx2_TXP_b06FwSbssAddr; - fw.sbss_len = bnx2_TXP_b06FwSbssLen; - fw.sbss_index = 0; - fw.sbss = bnx2_TXP_b06FwSbss; - - fw.bss_addr = bnx2_TXP_b06FwBssAddr; - fw.bss_len = bnx2_TXP_b06FwBssLen; - fw.bss_index = 0; - fw.bss = bnx2_TXP_b06FwBss; - - fw.rodata_addr = bnx2_TXP_b06FwRodataAddr; - fw.rodata_len = bnx2_TXP_b06FwRodataLen; - fw.rodata_index = 0; - fw.rodata = bnx2_TXP_b06FwRodata; - - load_cpu_fw(bp, &cpu_reg, &fw); - /* Initialize the TX Patch-up Processor. */ cpu_reg.mode = BNX2_TPAT_CPU_MODE; cpu_reg.mode_value_halt = BNX2_TPAT_CPU_MODE_SOFT_HALT; @@ -2433,44 +2383,12 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_TPAT_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw.ver_major = bnx2_TPAT_b06FwReleaseMajor; - fw.ver_minor = bnx2_TPAT_b06FwReleaseMinor; - fw.ver_fix = bnx2_TPAT_b06FwReleaseFix; - fw.start_addr = bnx2_TPAT_b06FwStartAddr; + fw = &bnx2_tpat_fw_06; - fw.text_addr = bnx2_TPAT_b06FwTextAddr; - fw.text_len = bnx2_TPAT_b06FwTextLen; - fw.text_index = 0; - - rc = bnx2_gunzip(bp, bnx2_TPAT_b06FwText, sizeof(bnx2_TPAT_b06FwText), - &text, &text_len); + rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) goto init_cpu_err; - fw.text = text; - - fw.data_addr = bnx2_TPAT_b06FwDataAddr; - fw.data_len = bnx2_TPAT_b06FwDataLen; - fw.data_index = 0; - fw.data = bnx2_TPAT_b06FwData; - - fw.sbss_addr = bnx2_TPAT_b06FwSbssAddr; - fw.sbss_len = bnx2_TPAT_b06FwSbssLen; - fw.sbss_index = 0; - fw.sbss = bnx2_TPAT_b06FwSbss; - - fw.bss_addr = bnx2_TPAT_b06FwBssAddr; - fw.bss_len = bnx2_TPAT_b06FwBssLen; - fw.bss_index = 0; - fw.bss = bnx2_TPAT_b06FwBss; - - fw.rodata_addr = bnx2_TPAT_b06FwRodataAddr; - fw.rodata_len = bnx2_TPAT_b06FwRodataLen; - fw.rodata_index = 0; - fw.rodata = bnx2_TPAT_b06FwRodata; - - load_cpu_fw(bp, &cpu_reg, &fw); - /* Initialize the Completion Processor. */ cpu_reg.mode = BNX2_COM_CPU_MODE; cpu_reg.mode_value_halt = BNX2_COM_CPU_MODE_SOFT_HALT; @@ -2485,44 +2403,12 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_COM_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw.ver_major = bnx2_COM_b06FwReleaseMajor; - fw.ver_minor = bnx2_COM_b06FwReleaseMinor; - fw.ver_fix = bnx2_COM_b06FwReleaseFix; - fw.start_addr = bnx2_COM_b06FwStartAddr; - - fw.text_addr = bnx2_COM_b06FwTextAddr; - fw.text_len = bnx2_COM_b06FwTextLen; - fw.text_index = 0; + fw = &bnx2_com_fw_06; - rc = bnx2_gunzip(bp, bnx2_COM_b06FwText, sizeof(bnx2_COM_b06FwText), - &text, &text_len); + rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) goto init_cpu_err; - fw.text = text; - - fw.data_addr = bnx2_COM_b06FwDataAddr; - fw.data_len = bnx2_COM_b06FwDataLen; - fw.data_index = 0; - fw.data = bnx2_COM_b06FwData; - - fw.sbss_addr = bnx2_COM_b06FwSbssAddr; - fw.sbss_len = bnx2_COM_b06FwSbssLen; - fw.sbss_index = 0; - fw.sbss = bnx2_COM_b06FwSbss; - - fw.bss_addr = bnx2_COM_b06FwBssAddr; - fw.bss_len = bnx2_COM_b06FwBssLen; - fw.bss_index = 0; - fw.bss = bnx2_COM_b06FwBss; - - fw.rodata_addr = bnx2_COM_b06FwRodataAddr; - fw.rodata_len = bnx2_COM_b06FwRodataLen; - fw.rodata_index = 0; - fw.rodata = bnx2_COM_b06FwRodata; - - load_cpu_fw(bp, &cpu_reg, &fw); - init_cpu_err: bnx2_gunzip_end(bp); return rc; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 7fa7008f402..11e9c55d1dd 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -4107,41 +4107,43 @@ struct cpu_reg { }; struct fw_info { - u32 ver_major; - u32 ver_minor; - u32 ver_fix; + const u32 ver_major; + const u32 ver_minor; + const u32 ver_fix; - u32 start_addr; + const u32 start_addr; /* Text section. */ - u32 text_addr; - u32 text_len; - u32 text_index; + const u32 text_addr; + const u32 text_len; + const u32 text_index; u32 *text; + u8 *gz_text; + const u32 gz_text_len; /* Data section. */ - u32 data_addr; - u32 data_len; - u32 data_index; - u32 *data; + const u32 data_addr; + const u32 data_len; + const u32 data_index; + const u32 *data; /* SBSS section. */ - u32 sbss_addr; - u32 sbss_len; - u32 sbss_index; - u32 *sbss; + const u32 sbss_addr; + const u32 sbss_len; + const u32 sbss_index; + const u32 *sbss; /* BSS section. */ - u32 bss_addr; - u32 bss_len; - u32 bss_index; - u32 *bss; + const u32 bss_addr; + const u32 bss_len; + const u32 bss_index; + const u32 *bss; /* Read-only section. */ - u32 rodata_addr; - u32 rodata_len; - u32 rodata_index; - u32 *rodata; + const u32 rodata_addr; + const u32 rodata_len; + const u32 rodata_index; + const u32 *rodata; }; #define RV2P_PROC1 0 diff --git a/drivers/net/bnx2_fw.h b/drivers/net/bnx2_fw.h index 4adc8de3063..21d368ff424 100644 --- a/drivers/net/bnx2_fw.h +++ b/drivers/net/bnx2_fw.h @@ -14,20 +14,6 @@ * accompanying it. */ -static const int bnx2_COM_b06FwReleaseMajor = 0x1; -static const int bnx2_COM_b06FwReleaseMinor = 0x0; -static const int bnx2_COM_b06FwReleaseFix = 0x0; -static const u32 bnx2_COM_b06FwStartAddr = 0x080008b4; -static const u32 bnx2_COM_b06FwTextAddr = 0x08000000; -static const int bnx2_COM_b06FwTextLen = 0x57bc; -static const u32 bnx2_COM_b06FwDataAddr = 0x08005840; -static const int bnx2_COM_b06FwDataLen = 0x0; -static const u32 bnx2_COM_b06FwRodataAddr = 0x080057c0; -static const int bnx2_COM_b06FwRodataLen = 0x58; -static const u32 bnx2_COM_b06FwBssAddr = 0x08005860; -static const int bnx2_COM_b06FwBssLen = 0x88; -static const u32 bnx2_COM_b06FwSbssAddr = 0x08005840; -static const int bnx2_COM_b06FwSbssLen = 0x1c; static u8 bnx2_COM_b06FwText[] = { 0x1f, 0x8b, 0x08, 0x08, 0x09, 0x83, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xec, 0x5b, 0x7d, 0x6c, @@ -673,20 +659,40 @@ static u32 bnx2_COM_b06FwRodata[(0x58/4) + 1] = { static u32 bnx2_COM_b06FwBss[(0x88/4) + 1] = { 0x0 }; static u32 bnx2_COM_b06FwSbss[(0x1c/4) + 1] = { 0x0 }; -static const int bnx2_RXP_b06FwReleaseMajor = 0x2; -static const int bnx2_RXP_b06FwReleaseMinor = 0x8; -static const int bnx2_RXP_b06FwReleaseFix = 0x17; -static const u32 bnx2_RXP_b06FwStartAddr = 0x08003184; -static const u32 bnx2_RXP_b06FwTextAddr = 0x08000000; -static const int bnx2_RXP_b06FwTextLen = 0x6728; -static const u32 bnx2_RXP_b06FwDataAddr = 0x080069c0; -static const int bnx2_RXP_b06FwDataLen = 0x0; -static const u32 bnx2_RXP_b06FwRodataAddr = 0x08006728; -static const int bnx2_RXP_b06FwRodataLen = 0x278; -static const u32 bnx2_RXP_b06FwBssAddr = 0x080069f0; -static const int bnx2_RXP_b06FwBssLen = 0x13dc; -static const u32 bnx2_RXP_b06FwSbssAddr = 0x080069c0; -static const int bnx2_RXP_b06FwSbssLen = 0x2c; +static struct fw_info bnx2_com_fw_06 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x080008b4, + + .text_addr = 0x08000000, + .text_len = 0x57bc, + .text_index = 0x0, + .gz_text = bnx2_COM_b06FwText, + .gz_text_len = sizeof(bnx2_COM_b06FwText), + + .data_addr = 0x08005840, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_COM_b06FwData, + + .sbss_addr = 0x08005840, + .sbss_len = 0x1c, + .sbss_index = 0x0, + .sbss = bnx2_COM_b06FwSbss, + + .bss_addr = 0x08005860, + .bss_len = 0x88, + .bss_index = 0x0, + .bss = bnx2_COM_b06FwBss, + + .rodata_addr = 0x080057c0, + .rodata_len = 0x58, + .rodata_index = 0x0, + .rodata = bnx2_COM_b06FwRodata, +}; + static u8 bnx2_RXP_b06FwText[] = { 0x1f, 0x8b, 0x08, 0x08, 0xcb, 0xa3, 0x46, 0x45, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xec, 0x5c, 0x6f, 0x6c, @@ -1366,6 +1372,40 @@ static u32 bnx2_RXP_b06FwRodata[(0x278/4) + 1] = { static u32 bnx2_RXP_b06FwBss[(0x13dc/4) + 1] = { 0x0 }; static u32 bnx2_RXP_b06FwSbss[(0x2c/4) + 1] = { 0x0 }; +static struct fw_info bnx2_rxp_fw_06 = { + .ver_major = 0x2, + .ver_minor = 0x8, + .ver_fix = 0x17, + + .start_addr = 0x08003184, + + .text_addr = 0x08000000, + .text_len = 0x6728, + .text_index = 0x0, + .gz_text = bnx2_RXP_b06FwText, + .gz_text_len = sizeof(bnx2_RXP_b06FwText), + + .data_addr = 0x080069c0, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_RXP_b06FwData, + + .sbss_addr = 0x080069c0, + .sbss_len = 0x2c, + .sbss_index = 0x0, + .sbss = bnx2_RXP_b06FwSbss, + + .bss_addr = 0x080069f0, + .bss_len = 0x13dc, + .bss_index = 0x0, + .bss = bnx2_RXP_b06FwBss, + + .rodata_addr = 0x08006728, + .rodata_len = 0x278, + .rodata_index = 0x0, + .rodata = bnx2_RXP_b06FwRodata, +}; + static u8 bnx2_rv2p_proc1[] = { 0x1f, 0x8b, 0x08, 0x08, 0x5e, 0xd0, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xc5, 0x56, 0xcf, 0x6b, @@ -1625,20 +1665,6 @@ static u8 bnx2_rv2p_proc2[] = { 0x63, 0xd6, 0x11, 0x8f, 0x47, 0xd5, 0x5f, 0x3f, 0x97, 0x8f, 0x31, 0xd8, 0x17, 0x00, 0x00, 0x00 }; -static const int bnx2_TPAT_b06FwReleaseMajor = 0x1; -static const int bnx2_TPAT_b06FwReleaseMinor = 0x0; -static const int bnx2_TPAT_b06FwReleaseFix = 0x0; -static const u32 bnx2_TPAT_b06FwStartAddr = 0x08000860; -static const u32 bnx2_TPAT_b06FwTextAddr = 0x08000800; -static const int bnx2_TPAT_b06FwTextLen = 0x122c; -static const u32 bnx2_TPAT_b06FwDataAddr = 0x08001a60; -static const int bnx2_TPAT_b06FwDataLen = 0x0; -static const u32 bnx2_TPAT_b06FwRodataAddr = 0x00000000; -static const int bnx2_TPAT_b06FwRodataLen = 0x0; -static const u32 bnx2_TPAT_b06FwBssAddr = 0x08001aa0; -static const int bnx2_TPAT_b06FwBssLen = 0x250; -static const u32 bnx2_TPAT_b06FwSbssAddr = 0x08001a60; -static const int bnx2_TPAT_b06FwSbssLen = 0x34; static u8 bnx2_TPAT_b06FwText[] = { 0x1f, 0x8b, 0x08, 0x08, 0x47, 0xd2, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xc5, 0x57, 0x4d, 0x68, @@ -1838,20 +1864,40 @@ static u32 bnx2_TPAT_b06FwRodata[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_TPAT_b06FwBss[(0x250/4) + 1] = { 0x0 }; static u32 bnx2_TPAT_b06FwSbss[(0x34/4) + 1] = { 0x0 }; -static const int bnx2_TXP_b06FwReleaseMajor = 0x1; -static const int bnx2_TXP_b06FwReleaseMinor = 0x0; -static const int bnx2_TXP_b06FwReleaseFix = 0x0; -static const u32 bnx2_TXP_b06FwStartAddr = 0x080034b0; -static const u32 bnx2_TXP_b06FwTextAddr = 0x08000000; -static const int bnx2_TXP_b06FwTextLen = 0x5748; -static const u32 bnx2_TXP_b06FwDataAddr = 0x08005760; -static const int bnx2_TXP_b06FwDataLen = 0x0; -static const u32 bnx2_TXP_b06FwRodataAddr = 0x00000000; -static const int bnx2_TXP_b06FwRodataLen = 0x0; -static const u32 bnx2_TXP_b06FwBssAddr = 0x080057a0; -static const int bnx2_TXP_b06FwBssLen = 0x1c4; -static const u32 bnx2_TXP_b06FwSbssAddr = 0x08005760; -static const int bnx2_TXP_b06FwSbssLen = 0x38; +static struct fw_info bnx2_tpat_fw_06 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x08000860, + + .text_addr = 0x08000800, + .text_len = 0x122c, + .text_index = 0x0, + .gz_text = bnx2_TPAT_b06FwText, + .gz_text_len = sizeof(bnx2_TPAT_b06FwText), + + .data_addr = 0x08001a60, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_TPAT_b06FwData, + + .sbss_addr = 0x08001a60, + .sbss_len = 0x34, + .sbss_index = 0x0, + .sbss = bnx2_TPAT_b06FwSbss, + + .bss_addr = 0x08001aa0, + .bss_len = 0x250, + .bss_index = 0x0, + .bss = bnx2_TPAT_b06FwBss, + + .rodata_addr = 0x00000000, + .rodata_len = 0x0, + .rodata_index = 0x0, + .rodata = bnx2_TPAT_b06FwRodata, +}; + static u8 bnx2_TXP_b06FwText[] = { 0x1f, 0x8b, 0x08, 0x08, 0x21, 0xd3, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xed, 0x5c, 0x6d, 0x6c, @@ -2273,3 +2319,38 @@ static u32 bnx2_TXP_b06FwData[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_TXP_b06FwRodata[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_TXP_b06FwBss[(0x1c4/4) + 1] = { 0x0 }; static u32 bnx2_TXP_b06FwSbss[(0x38/4) + 1] = { 0x0 }; + +static struct fw_info bnx2_txp_fw_06 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x080034b0, + + .text_addr = 0x08000000, + .text_len = 0x5748, + .text_index = 0x0, + .gz_text = bnx2_TXP_b06FwText, + .gz_text_len = sizeof(bnx2_TXP_b06FwText), + + .data_addr = 0x08005760, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_TXP_b06FwData, + + .sbss_addr = 0x08005760, + .sbss_len = 0x38, + .sbss_index = 0x0, + .sbss = bnx2_TXP_b06FwSbss, + + .bss_addr = 0x080057a0, + .bss_len = 0x1c4, + .bss_index = 0x0, + .bss = bnx2_TXP_b06FwBss, + + .rodata_addr = 0x00000000, + .rodata_len = 0x0, + .rodata_index = 0x0, + .rodata = bnx2_TXP_b06FwRodata, +}; + -- cgit v1.2.3 From 19cdeb794b7ef9e1f0e408777445bd76fe90e694 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:09:48 -0800 Subject: [BNX2]: Add new 5709 registers (part 1). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.h | 1457 ++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 1311 insertions(+), 146 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 11e9c55d1dd..73c785585fc 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -56,6 +56,7 @@ struct rx_bd { }; +#define BNX2_RX_ALIGN 16 /* * status_block definition @@ -90,6 +91,7 @@ struct status_block { #define STATUS_ATTN_BITS_DMAE_ABORT (1L<<25) #define STATUS_ATTN_BITS_FLSH_ABORT (1L<<26) #define STATUS_ATTN_BITS_GRC_ABORT (1L<<27) + #define STATUS_ATTN_BITS_EPB_ERROR (1L<<30) #define STATUS_ATTN_BITS_PARITY_ERROR (1L<<31) u32 status_attn_bits_ack; @@ -117,7 +119,8 @@ struct status_block { u16 status_completion_producer_index; u16 status_cmd_consumer_index; u16 status_idx; - u16 status_unused; + u8 status_unused; + u8 status_blk_num; #elif defined(__LITTLE_ENDIAN) u16 status_tx_quick_consumer_index1; u16 status_tx_quick_consumer_index0; @@ -141,7 +144,8 @@ struct status_block { u16 status_rx_quick_consumer_index14; u16 status_cmd_consumer_index; u16 status_completion_producer_index; - u16 status_unused; + u8 status_blk_num; + u8 status_unused; u16 status_idx; #endif }; @@ -301,6 +305,10 @@ struct l2_fhdr { #define BNX2_L2CTX_TXP_BIDX 0x000000a8 #define BNX2_L2CTX_TXP_BSEQ 0x000000ac +#define BNX2_L2CTX_TYPE_XI 0x00000080 +#define BNX2_L2CTX_CMD_TYPE_XI 0x00000240 +#define BNX2_L2CTX_TBDR_BHADDR_HI_XI 0x00000258 +#define BNX2_L2CTX_TBDR_BHADDR_LO_XI 0x0000025c /* * l2_bd_chain_context definition @@ -328,11 +336,15 @@ struct l2_fhdr { #define BNX2_PCICFG_MISC_CONFIG 0x00000068 #define BNX2_PCICFG_MISC_CONFIG_TARGET_BYTE_SWAP (1L<<2) #define BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP (1L<<3) +#define BNX2_PCICFG_MISC_CONFIG_RESERVED1 (1L<<4) #define BNX2_PCICFG_MISC_CONFIG_CLOCK_CTL_ENA (1L<<5) #define BNX2_PCICFG_MISC_CONFIG_TARGET_GRC_WORD_SWAP (1L<<6) #define BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA (1L<<7) #define BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ (1L<<8) #define BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY (1L<<9) +#define BNX2_PCICFG_MISC_CONFIG_GRC_WIN1_SWAP_EN (1L<<10) +#define BNX2_PCICFG_MISC_CONFIG_GRC_WIN2_SWAP_EN (1L<<11) +#define BNX2_PCICFG_MISC_CONFIG_GRC_WIN3_SWAP_EN (1L<<12) #define BNX2_PCICFG_MISC_CONFIG_ASIC_METAL_REV (0xffL<<16) #define BNX2_PCICFG_MISC_CONFIG_ASIC_BASE_REV (0xfL<<24) #define BNX2_PCICFG_MISC_CONFIG_ASIC_ID (0xfL<<28) @@ -347,6 +359,7 @@ struct l2_fhdr { #define BNX2_PCICFG_MISC_STATUS_PCIX_SPEED_100 (1L<<4) #define BNX2_PCICFG_MISC_STATUS_PCIX_SPEED_133 (2L<<4) #define BNX2_PCICFG_MISC_STATUS_PCIX_SPEED_PCI_MODE (3L<<4) +#define BNX2_PCICFG_MISC_STATUS_BAD_MEM_WRITE_BE (1L<<8) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS 0x00000070 #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET (0xfL<<0) @@ -366,7 +379,7 @@ struct l2_fhdr { #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_12 (1L<<8) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_6 (2L<<8) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_62 (4L<<8) -#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PLAY_DEAD (1L<<11) +#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_MIN_POWER (1L<<11) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED (0xfL<<12) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_100 (0L<<12) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_80 (1L<<12) @@ -374,18 +387,21 @@ struct l2_fhdr { #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_40 (4L<<12) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_25 (8L<<12) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_CORE_CLK_PLL_STOP (1L<<16) -#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_PLL_STOP (1L<<17) +#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_RESERVED_17 (1L<<17) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_RESERVED_18 (1L<<18) -#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_USE_SPD_DET (1L<<19) +#define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_RESERVED_19 (1L<<19) #define BNX2_PCICFG_PCI_CLOCK_CONTROL_BITS_RESERVED (0xfffL<<20) #define BNX2_PCICFG_REG_WINDOW_ADDRESS 0x00000078 +#define BNX2_PCICFG_REG_WINDOW_ADDRESS_VAL (0xfffffL<<2) + #define BNX2_PCICFG_REG_WINDOW 0x00000080 #define BNX2_PCICFG_INT_ACK_CMD 0x00000084 #define BNX2_PCICFG_INT_ACK_CMD_INDEX (0xffffL<<0) #define BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID (1L<<16) #define BNX2_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM (1L<<17) #define BNX2_PCICFG_INT_ACK_CMD_MASK_INT (1L<<18) +#define BNX2_PCICFG_INT_ACK_CMD_INTERRUPT_NUM (0xfL<<24) #define BNX2_PCICFG_STATUS_BIT_SET_CMD 0x00000088 #define BNX2_PCICFG_STATUS_BIT_CLEAR_CMD 0x0000008c @@ -398,9 +414,11 @@ struct l2_fhdr { * offset: 0x400 */ #define BNX2_PCI_GRC_WINDOW_ADDR 0x00000400 -#define BNX2_PCI_GRC_WINDOW_ADDR_PCI_GRC_WINDOW_ADDR_VALUE (0x3ffffL<<8) +#define BNX2_PCI_GRC_WINDOW_ADDR_VALUE (0x1ffL<<13) +#define BNX2_PCI_GRC_WINDOW_ADDR_SEP_WIN (1L<<31) #define BNX2_PCI_CONFIG_1 0x00000404 +#define BNX2_PCI_CONFIG_1_RESERVED0 (0xffL<<0) #define BNX2_PCI_CONFIG_1_READ_BOUNDARY (0x7L<<8) #define BNX2_PCI_CONFIG_1_READ_BOUNDARY_OFF (0L<<8) #define BNX2_PCI_CONFIG_1_READ_BOUNDARY_16 (1L<<8) @@ -419,6 +437,7 @@ struct l2_fhdr { #define BNX2_PCI_CONFIG_1_WRITE_BOUNDARY_256 (5L<<11) #define BNX2_PCI_CONFIG_1_WRITE_BOUNDARY_512 (6L<<11) #define BNX2_PCI_CONFIG_1_WRITE_BOUNDARY_1024 (7L<<11) +#define BNX2_PCI_CONFIG_1_RESERVED1 (0x3ffffL<<14) #define BNX2_PCI_CONFIG_2 0x00000408 #define BNX2_PCI_CONFIG_2_BAR1_SIZE (0xfL<<0) @@ -468,9 +487,13 @@ struct l2_fhdr { #define BNX2_PCI_CONFIG_2_FORCE_32_BIT_MSTR (1L<<23) #define BNX2_PCI_CONFIG_2_FORCE_32_BIT_TGT (1L<<24) #define BNX2_PCI_CONFIG_2_KEEP_REQ_ASSERT (1L<<25) +#define BNX2_PCI_CONFIG_2_RESERVED0 (0x3fL<<26) +#define BNX2_PCI_CONFIG_2_BAR_PREFETCH_XI (1L<<16) +#define BNX2_PCI_CONFIG_2_RESERVED0_XI (0x7fffL<<17) #define BNX2_PCI_CONFIG_3 0x0000040c #define BNX2_PCI_CONFIG_3_STICKY_BYTE (0xffL<<0) +#define BNX2_PCI_CONFIG_3_REG_STICKY_BYTE (0xffL<<8) #define BNX2_PCI_CONFIG_3_FORCE_PME (1L<<24) #define BNX2_PCI_CONFIG_3_PME_STATUS (1L<<25) #define BNX2_PCI_CONFIG_3_PME_ENABLE (1L<<26) @@ -501,8 +524,10 @@ struct l2_fhdr { #define BNX2_PCI_VPD_INTF_INTF_REQ (1L<<0) #define BNX2_PCI_VPD_ADDR_FLAG 0x0000042c -#define BNX2_PCI_VPD_ADDR_FLAG_ADDRESS (0x1fff<<2) -#define BNX2_PCI_VPD_ADDR_FLAG_WR (1<<15) +#define BNX2_PCI_VPD_ADDR_FLAG_MSK 0x0000ffff +#define BNX2_PCI_VPD_ADDR_FLAG_SL 0L +#define BNX2_PCI_VPD_ADDR_FLAG_ADDRESS (0x1fffL<<2) +#define BNX2_PCI_VPD_ADDR_FLAG_WR (1L<<15) #define BNX2_PCI_VPD_DATA 0x00000430 #define BNX2_PCI_ID_VAL1 0x00000434 @@ -535,19 +560,26 @@ struct l2_fhdr { #define BNX2_PCI_ID_VAL4_CAP_ENA_13 (13L<<0) #define BNX2_PCI_ID_VAL4_CAP_ENA_14 (14L<<0) #define BNX2_PCI_ID_VAL4_CAP_ENA_15 (15L<<0) +#define BNX2_PCI_ID_VAL4_RESERVED0 (0x3L<<4) #define BNX2_PCI_ID_VAL4_PM_SCALE_PRG (0x3L<<6) #define BNX2_PCI_ID_VAL4_PM_SCALE_PRG_0 (0L<<6) #define BNX2_PCI_ID_VAL4_PM_SCALE_PRG_1 (1L<<6) #define BNX2_PCI_ID_VAL4_PM_SCALE_PRG_2 (2L<<6) #define BNX2_PCI_ID_VAL4_PM_SCALE_PRG_3 (3L<<6) +#define BNX2_PCI_ID_VAL4_MSI_PV_MASK_CAP (1L<<8) #define BNX2_PCI_ID_VAL4_MSI_LIMIT (0x7L<<9) -#define BNX2_PCI_ID_VAL4_MSI_ADVERTIZE (0x7L<<12) +#define BNX2_PCI_ID_VAL4_MULTI_MSG_CAP (0x7L<<12) #define BNX2_PCI_ID_VAL4_MSI_ENABLE (1L<<15) #define BNX2_PCI_ID_VAL4_MAX_64_ADVERTIZE (1L<<16) #define BNX2_PCI_ID_VAL4_MAX_133_ADVERTIZE (1L<<17) -#define BNX2_PCI_ID_VAL4_MAX_MEM_READ_SIZE (0x3L<<21) -#define BNX2_PCI_ID_VAL4_MAX_SPLIT_SIZE (0x7L<<23) -#define BNX2_PCI_ID_VAL4_MAX_CUMULATIVE_SIZE (0x7L<<26) +#define BNX2_PCI_ID_VAL4_RESERVED2 (0x7L<<18) +#define BNX2_PCI_ID_VAL4_MAX_CUMULATIVE_SIZE_B21 (0x3L<<21) +#define BNX2_PCI_ID_VAL4_MAX_SPLIT_SIZE_B21 (0x3L<<23) +#define BNX2_PCI_ID_VAL4_MAX_CUMULATIVE_SIZE_B0 (1L<<25) +#define BNX2_PCI_ID_VAL4_MAX_MEM_READ_SIZE_B10 (0x3L<<26) +#define BNX2_PCI_ID_VAL4_MAX_SPLIT_SIZE_B0 (1L<<28) +#define BNX2_PCI_ID_VAL4_RESERVED3 (0x7L<<29) +#define BNX2_PCI_ID_VAL4_RESERVED3_XI (0xffffL<<16) #define BNX2_PCI_ID_VAL5 0x00000444 #define BNX2_PCI_ID_VAL5_D1_SUPPORT (1L<<0) @@ -556,6 +588,10 @@ struct l2_fhdr { #define BNX2_PCI_ID_VAL5_PME_IN_D1 (1L<<3) #define BNX2_PCI_ID_VAL5_PME_IN_D2 (1L<<4) #define BNX2_PCI_ID_VAL5_PME_IN_D3_HOT (1L<<5) +#define BNX2_PCI_ID_VAL5_RESERVED0_TE (0x3ffffffL<<6) +#define BNX2_PCI_ID_VAL5_PM_VERSION_XI (0x7L<<6) +#define BNX2_PCI_ID_VAL5_NO_SOFT_RESET_XI (1L<<9) +#define BNX2_PCI_ID_VAL5_RESERVED0_XI (0x3fffffL<<10) #define BNX2_PCI_PCIX_EXTENDED_STATUS 0x00000448 #define BNX2_PCI_PCIX_EXTENDED_STATUS_NO_SNOOP (1L<<8) @@ -567,12 +603,91 @@ struct l2_fhdr { #define BNX2_PCI_ID_VAL6_MAX_LAT (0xffL<<0) #define BNX2_PCI_ID_VAL6_MIN_GNT (0xffL<<8) #define BNX2_PCI_ID_VAL6_BIST (0xffL<<16) +#define BNX2_PCI_ID_VAL6_RESERVED0 (0xffL<<24) #define BNX2_PCI_MSI_DATA 0x00000450 -#define BNX2_PCI_MSI_DATA_PCI_MSI_DATA (0xffffL<<0) +#define BNX2_PCI_MSI_DATA_MSI_DATA (0xffffL<<0) #define BNX2_PCI_MSI_ADDR_H 0x00000454 #define BNX2_PCI_MSI_ADDR_L 0x00000458 +#define BNX2_PCI_MSI_ADDR_L_VAL (0x3fffffffL<<2) + +#define BNX2_PCI_CFG_ACCESS_CMD 0x0000045c +#define BNX2_PCI_CFG_ACCESS_CMD_ADR (0x3fL<<2) +#define BNX2_PCI_CFG_ACCESS_CMD_RD_REQ (1L<<27) +#define BNX2_PCI_CFG_ACCESS_CMD_WR_REQ (0xfL<<28) + +#define BNX2_PCI_CFG_ACCESS_DATA 0x00000460 +#define BNX2_PCI_MSI_MASK 0x00000464 +#define BNX2_PCI_MSI_MASK_MSI_MASK (0xffffffffL<<0) + +#define BNX2_PCI_MSI_PEND 0x00000468 +#define BNX2_PCI_MSI_PEND_MSI_PEND (0xffffffffL<<0) + +#define BNX2_PCI_PM_DATA_C 0x0000046c +#define BNX2_PCI_PM_DATA_C_PM_DATA_8_PRG (0xffL<<0) +#define BNX2_PCI_PM_DATA_C_RESERVED0 (0xffffffL<<8) + +#define BNX2_PCI_MSIX_CONTROL 0x000004c0 +#define BNX2_PCI_MSIX_CONTROL_MSIX_TBL_SIZ (0x7ffL<<0) +#define BNX2_PCI_MSIX_CONTROL_RESERVED0 (0x1fffffL<<11) + +#define BNX2_PCI_MSIX_TBL_OFF_BIR 0x000004c4 +#define BNX2_PCI_MSIX_TBL_OFF_BIR_MSIX_TBL_BIR (0x7L<<0) +#define BNX2_PCI_MSIX_TBL_OFF_BIR_MSIX_TBL_OFF (0x1fffffffL<<3) + +#define BNX2_PCI_MSIX_PBA_OFF_BIT 0x000004c8 +#define BNX2_PCI_MSIX_PBA_OFF_BIT_MSIX_PBA_BIR (0x7L<<0) +#define BNX2_PCI_MSIX_PBA_OFF_BIT_MSIX_PBA_OFF (0x1fffffffL<<3) + +#define BNX2_PCI_PCIE_CAPABILITY 0x000004d0 +#define BNX2_PCI_PCIE_CAPABILITY_INTERRUPT_MSG_NUM (0x1fL<<0) +#define BNX2_PCI_PCIE_CAPABILITY_COMPLY_PCIE_1_1 (1L<<5) + +#define BNX2_PCI_DEVICE_CAPABILITY 0x000004d4 +#define BNX2_PCI_DEVICE_CAPABILITY_MAX_PL_SIZ_SUPPORTED (0x7L<<0) +#define BNX2_PCI_DEVICE_CAPABILITY_EXTENDED_TAG_SUPPORT (1L<<5) +#define BNX2_PCI_DEVICE_CAPABILITY_L0S_ACCEPTABLE_LATENCY (0x7L<<6) +#define BNX2_PCI_DEVICE_CAPABILITY_L1_ACCEPTABLE_LATENCY (0x7L<<9) +#define BNX2_PCI_DEVICE_CAPABILITY_ROLE_BASED_ERR_RPT (1L<<15) + +#define BNX2_PCI_LINK_CAPABILITY 0x000004dc +#define BNX2_PCI_LINK_CAPABILITY_MAX_LINK_SPEED (0xfL<<0) +#define BNX2_PCI_LINK_CAPABILITY_MAX_LINK_SPEED_0001 (1L<<0) +#define BNX2_PCI_LINK_CAPABILITY_MAX_LINK_SPEED_0010 (1L<<0) +#define BNX2_PCI_LINK_CAPABILITY_MAX_LINK_WIDTH (0x1fL<<4) +#define BNX2_PCI_LINK_CAPABILITY_CLK_POWER_MGMT (1L<<9) +#define BNX2_PCI_LINK_CAPABILITY_ASPM_SUPPORT (0x3L<<10) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_LAT (0x7L<<12) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_LAT_101 (5L<<12) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_LAT_110 (6L<<12) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_LAT (0x7L<<15) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_LAT_001 (1L<<15) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_LAT_010 (2L<<15) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_COMM_LAT (0x7L<<18) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_COMM_LAT_101 (5L<<18) +#define BNX2_PCI_LINK_CAPABILITY_L0S_EXIT_COMM_LAT_110 (6L<<18) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_COMM_LAT (0x7L<<21) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_COMM_LAT_001 (1L<<21) +#define BNX2_PCI_LINK_CAPABILITY_L1_EXIT_COMM_LAT_010 (2L<<21) +#define BNX2_PCI_LINK_CAPABILITY_PORT_NUM (0xffL<<24) + +#define BNX2_PCI_PCIE_DEVICE_CAPABILITY_2 0x000004e4 +#define BNX2_PCI_PCIE_DEVICE_CAPABILITY_2_CMPL_TO_RANGE_SUPP (0xfL<<0) +#define BNX2_PCI_PCIE_DEVICE_CAPABILITY_2_CMPL_TO_DISABL_SUPP (1L<<4) +#define BNX2_PCI_PCIE_DEVICE_CAPABILITY_2_RESERVED (0x7ffffffL<<5) + +#define BNX2_PCI_PCIE_LINK_CAPABILITY_2 0x000004e8 +#define BNX2_PCI_PCIE_LINK_CAPABILITY_2_RESERVED (0xffffffffL<<0) + +#define BNX2_PCI_GRC_WINDOW1_ADDR 0x00000610 +#define BNX2_PCI_GRC_WINDOW1_ADDR_VALUE (0x1ffL<<13) + +#define BNX2_PCI_GRC_WINDOW2_ADDR 0x00000614 +#define BNX2_PCI_GRC_WINDOW2_ADDR_VALUE (0x1ffL<<13) + +#define BNX2_PCI_GRC_WINDOW3_ADDR 0x00000618 +#define BNX2_PCI_GRC_WINDOW3_ADDR_VALUE (0x1ffL<<13) /* @@ -582,13 +697,23 @@ struct l2_fhdr { #define BNX2_MISC_COMMAND 0x00000800 #define BNX2_MISC_COMMAND_ENABLE_ALL (1L<<0) #define BNX2_MISC_COMMAND_DISABLE_ALL (1L<<1) -#define BNX2_MISC_COMMAND_CORE_RESET (1L<<4) -#define BNX2_MISC_COMMAND_HARD_RESET (1L<<5) +#define BNX2_MISC_COMMAND_SW_RESET (1L<<4) +#define BNX2_MISC_COMMAND_POR_RESET (1L<<5) +#define BNX2_MISC_COMMAND_HD_RESET (1L<<6) +#define BNX2_MISC_COMMAND_CMN_SW_RESET (1L<<7) #define BNX2_MISC_COMMAND_PAR_ERROR (1L<<8) +#define BNX2_MISC_COMMAND_CS16_ERR (1L<<9) +#define BNX2_MISC_COMMAND_CS16_ERR_LOC (0xfL<<12) #define BNX2_MISC_COMMAND_PAR_ERR_RAM (0x7fL<<16) +#define BNX2_MISC_COMMAND_POWERDOWN_EVENT (1L<<23) +#define BNX2_MISC_COMMAND_SW_SHUTDOWN (1L<<24) +#define BNX2_MISC_COMMAND_SHUTDOWN_EN (1L<<25) +#define BNX2_MISC_COMMAND_DINTEG_ATTN_EN (1L<<26) +#define BNX2_MISC_COMMAND_PCIE_LINK_IN_L23 (1L<<27) +#define BNX2_MISC_COMMAND_PCIE_DIS (1L<<28) #define BNX2_MISC_CFG 0x00000804 -#define BNX2_MISC_CFG_PCI_GRC_TMOUT (1L<<0) +#define BNX2_MISC_CFG_GRC_TMOUT (1L<<0) #define BNX2_MISC_CFG_NVM_WR_EN (0x3L<<1) #define BNX2_MISC_CFG_NVM_WR_EN_PROTECT (0L<<1) #define BNX2_MISC_CFG_NVM_WR_EN_PCI (1L<<1) @@ -596,16 +721,45 @@ struct l2_fhdr { #define BNX2_MISC_CFG_NVM_WR_EN_ALLOW2 (3L<<1) #define BNX2_MISC_CFG_BIST_EN (1L<<3) #define BNX2_MISC_CFG_CK25_OUT_ALT_SRC (1L<<4) -#define BNX2_MISC_CFG_BYPASS_BSCAN (1L<<5) -#define BNX2_MISC_CFG_BYPASS_EJTAG (1L<<6) +#define BNX2_MISC_CFG_RESERVED5_TE (1L<<5) +#define BNX2_MISC_CFG_RESERVED6_TE (1L<<6) #define BNX2_MISC_CFG_CLK_CTL_OVERRIDE (1L<<7) -#define BNX2_MISC_CFG_LEDMODE (0x3L<<8) +#define BNX2_MISC_CFG_LEDMODE (0x7L<<8) #define BNX2_MISC_CFG_LEDMODE_MAC (0L<<8) -#define BNX2_MISC_CFG_LEDMODE_GPHY1 (1L<<8) -#define BNX2_MISC_CFG_LEDMODE_GPHY2 (2L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY1_TE (1L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY2_TE (2L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY3_TE (3L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY4_TE (4L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY5_TE (5L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY6_TE (6L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY7_TE (7L<<8) +#define BNX2_MISC_CFG_MCP_GRC_TMOUT_TE (1L<<11) +#define BNX2_MISC_CFG_DBU_GRC_TMOUT_TE (1L<<12) +#define BNX2_MISC_CFG_LEDMODE_XI (0xfL<<8) +#define BNX2_MISC_CFG_LEDMODE_MAC_XI (0L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY1_XI (1L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY2_XI (2L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY3_XI (3L<<8) +#define BNX2_MISC_CFG_LEDMODE_MAC2_XI (4L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY4_XI (5L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY5_XI (6L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY6_XI (7L<<8) +#define BNX2_MISC_CFG_LEDMODE_MAC3_XI (8L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY7_XI (9L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY8_XI (10L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY9_XI (11L<<8) +#define BNX2_MISC_CFG_LEDMODE_MAC4_XI (12L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY10_XI (13L<<8) +#define BNX2_MISC_CFG_LEDMODE_PHY11_XI (14L<<8) +#define BNX2_MISC_CFG_LEDMODE_UNUSED_XI (15L<<8) +#define BNX2_MISC_CFG_PORT_SELECT_XI (1L<<13) +#define BNX2_MISC_CFG_PARITY_MODE_XI (1L<<14) #define BNX2_MISC_ID 0x00000808 #define BNX2_MISC_ID_BOND_ID (0xfL<<0) +#define BNX2_MISC_ID_BOND_ID_X (0L<<0) +#define BNX2_MISC_ID_BOND_ID_C (3L<<0) +#define BNX2_MISC_ID_BOND_ID_S (12L<<0) #define BNX2_MISC_ID_CHIP_METAL (0xffL<<4) #define BNX2_MISC_ID_CHIP_REV (0xfL<<12) #define BNX2_MISC_ID_CHIP_NUM (0xffffL<<16) @@ -639,6 +793,8 @@ struct l2_fhdr { #define BNX2_MISC_ENABLE_STATUS_BITS_TIMER_ENABLE (1L<<25) #define BNX2_MISC_ENABLE_STATUS_BITS_DMA_ENGINE_ENABLE (1L<<26) #define BNX2_MISC_ENABLE_STATUS_BITS_UMP_ENABLE (1L<<27) +#define BNX2_MISC_ENABLE_STATUS_BITS_RV2P_CMD_SCHEDULER_ENABLE (1L<<28) +#define BNX2_MISC_ENABLE_STATUS_BITS_RSVD_FUTURE_ENABLE (0x7L<<29) #define BNX2_MISC_ENABLE_SET_BITS 0x00000810 #define BNX2_MISC_ENABLE_SET_BITS_TX_SCHEDULER_ENABLE (1L<<0) @@ -669,6 +825,8 @@ struct l2_fhdr { #define BNX2_MISC_ENABLE_SET_BITS_TIMER_ENABLE (1L<<25) #define BNX2_MISC_ENABLE_SET_BITS_DMA_ENGINE_ENABLE (1L<<26) #define BNX2_MISC_ENABLE_SET_BITS_UMP_ENABLE (1L<<27) +#define BNX2_MISC_ENABLE_SET_BITS_RV2P_CMD_SCHEDULER_ENABLE (1L<<28) +#define BNX2_MISC_ENABLE_SET_BITS_RSVD_FUTURE_ENABLE (0x7L<<29) #define BNX2_MISC_ENABLE_CLR_BITS 0x00000814 #define BNX2_MISC_ENABLE_CLR_BITS_TX_SCHEDULER_ENABLE (1L<<0) @@ -699,6 +857,8 @@ struct l2_fhdr { #define BNX2_MISC_ENABLE_CLR_BITS_TIMER_ENABLE (1L<<25) #define BNX2_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE (1L<<26) #define BNX2_MISC_ENABLE_CLR_BITS_UMP_ENABLE (1L<<27) +#define BNX2_MISC_ENABLE_CLR_BITS_RV2P_CMD_SCHEDULER_ENABLE (1L<<28) +#define BNX2_MISC_ENABLE_CLR_BITS_RSVD_FUTURE_ENABLE (0x7L<<29) #define BNX2_MISC_CLOCK_CONTROL_BITS 0x00000818 #define BNX2_MISC_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET (0xfL<<0) @@ -718,30 +878,41 @@ struct l2_fhdr { #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_12 (1L<<8) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_6 (2L<<8) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_ALT_SRC_62 (4L<<8) -#define BNX2_MISC_CLOCK_CONTROL_BITS_PLAY_DEAD (1L<<11) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED0_XI (0x7L<<8) +#define BNX2_MISC_CLOCK_CONTROL_BITS_MIN_POWER (1L<<11) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED (0xfL<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_100 (0L<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_80 (1L<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_50 (2L<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_40 (4L<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_25 (8L<<12) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED1_XI (0xfL<<12) #define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_STOP (1L<<16) -#define BNX2_MISC_CLOCK_CONTROL_BITS_PCI_PLL_STOP (1L<<17) -#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED_18 (1L<<18) -#define BNX2_MISC_CLOCK_CONTROL_BITS_USE_SPD_DET (1L<<19) -#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED (0xfffL<<20) - -#define BNX2_MISC_GPIO 0x0000081c -#define BNX2_MISC_GPIO_VALUE (0xffL<<0) -#define BNX2_MISC_GPIO_SET (0xffL<<8) -#define BNX2_MISC_GPIO_CLR (0xffL<<16) -#define BNX2_MISC_GPIO_FLOAT (0xffL<<24) - -#define BNX2_MISC_GPIO_INT 0x00000820 -#define BNX2_MISC_GPIO_INT_INT_STATE (0xfL<<0) -#define BNX2_MISC_GPIO_INT_OLD_VALUE (0xfL<<8) -#define BNX2_MISC_GPIO_INT_OLD_SET (0xfL<<16) -#define BNX2_MISC_GPIO_INT_OLD_CLR (0xfL<<24) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED_17_TE (1L<<17) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED_18_TE (1L<<18) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED_19_TE (1L<<19) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED_TE (0xfffL<<20) +#define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_ALT_MGMT_XI (1L<<17) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED2_XI (0x3fL<<18) +#define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_VCO_XI (0x7L<<24) +#define BNX2_MISC_CLOCK_CONTROL_BITS_RESERVED3_XI (1L<<27) +#define BNX2_MISC_CLOCK_CONTROL_BITS_CORE_CLK_PLL_SPEED_XI (0xfL<<28) + +#define BNX2_MISC_SPIO 0x0000081c +#define BNX2_MISC_SPIO_VALUE (0xffL<<0) +#define BNX2_MISC_SPIO_SET (0xffL<<8) +#define BNX2_MISC_SPIO_CLR (0xffL<<16) +#define BNX2_MISC_SPIO_FLOAT (0xffL<<24) + +#define BNX2_MISC_SPIO_INT 0x00000820 +#define BNX2_MISC_SPIO_INT_INT_STATE_TE (0xfL<<0) +#define BNX2_MISC_SPIO_INT_OLD_VALUE_TE (0xfL<<8) +#define BNX2_MISC_SPIO_INT_OLD_SET_TE (0xfL<<16) +#define BNX2_MISC_SPIO_INT_OLD_CLR_TE (0xfL<<24) +#define BNX2_MISC_SPIO_INT_INT_STATE_XI (0xffL<<0) +#define BNX2_MISC_SPIO_INT_OLD_VALUE_XI (0xffL<<8) +#define BNX2_MISC_SPIO_INT_OLD_SET_XI (0xffL<<16) +#define BNX2_MISC_SPIO_INT_OLD_CLR_XI (0xffL<<24) #define BNX2_MISC_CONFIG_LFSR 0x00000824 #define BNX2_MISC_CONFIG_LFSR_DIV (0xffffL<<0) @@ -775,6 +946,8 @@ struct l2_fhdr { #define BNX2_MISC_LFSR_MASK_BITS_TIMER_ENABLE (1L<<25) #define BNX2_MISC_LFSR_MASK_BITS_DMA_ENGINE_ENABLE (1L<<26) #define BNX2_MISC_LFSR_MASK_BITS_UMP_ENABLE (1L<<27) +#define BNX2_MISC_LFSR_MASK_BITS_RV2P_CMD_SCHEDULER_ENABLE (1L<<28) +#define BNX2_MISC_LFSR_MASK_BITS_RSVD_FUTURE_ENABLE (0x7L<<29) #define BNX2_MISC_ARB_REQ0 0x0000082c #define BNX2_MISC_ARB_REQ1 0x00000830 @@ -831,22 +1004,12 @@ struct l2_fhdr { #define BNX2_MISC_ARB_GNT3_30 (0x7L<<24) #define BNX2_MISC_ARB_GNT3_31 (0x7L<<28) -#define BNX2_MISC_PRBS_CONTROL 0x00000878 -#define BNX2_MISC_PRBS_CONTROL_EN (1L<<0) -#define BNX2_MISC_PRBS_CONTROL_RSTB (1L<<1) -#define BNX2_MISC_PRBS_CONTROL_INV (1L<<2) -#define BNX2_MISC_PRBS_CONTROL_ERR_CLR (1L<<3) -#define BNX2_MISC_PRBS_CONTROL_ORDER (0x3L<<4) -#define BNX2_MISC_PRBS_CONTROL_ORDER_7TH (0L<<4) -#define BNX2_MISC_PRBS_CONTROL_ORDER_15TH (1L<<4) -#define BNX2_MISC_PRBS_CONTROL_ORDER_23RD (2L<<4) -#define BNX2_MISC_PRBS_CONTROL_ORDER_31ST (3L<<4) - -#define BNX2_MISC_PRBS_STATUS 0x0000087c -#define BNX2_MISC_PRBS_STATUS_LOCK (1L<<0) -#define BNX2_MISC_PRBS_STATUS_STKY (1L<<1) -#define BNX2_MISC_PRBS_STATUS_ERRORS (0x3fffL<<2) -#define BNX2_MISC_PRBS_STATUS_STATE (0xfL<<16) +#define BNX2_MISC_RESERVED1 0x00000878 +#define BNX2_MISC_RESERVED1_MISC_RESERVED1_VALUE (0x3fL<<0) + +#define BNX2_MISC_RESERVED2 0x0000087c +#define BNX2_MISC_RESERVED2_PCIE_DIS (1L<<0) +#define BNX2_MISC_RESERVED2_LINK_IN_L23 (1L<<1) #define BNX2_MISC_SM_ASF_CONTROL 0x00000880 #define BNX2_MISC_SM_ASF_CONTROL_ASF_RST (1L<<0) @@ -857,13 +1020,15 @@ struct l2_fhdr { #define BNX2_MISC_SM_ASF_CONTROL_PL_TO (1L<<5) #define BNX2_MISC_SM_ASF_CONTROL_RT_TO (1L<<6) #define BNX2_MISC_SM_ASF_CONTROL_SMB_EVENT (1L<<7) -#define BNX2_MISC_SM_ASF_CONTROL_RES (0xfL<<8) +#define BNX2_MISC_SM_ASF_CONTROL_STRETCH_EN (1L<<8) +#define BNX2_MISC_SM_ASF_CONTROL_STRETCH_PULSE (1L<<9) +#define BNX2_MISC_SM_ASF_CONTROL_RES (0x3L<<10) #define BNX2_MISC_SM_ASF_CONTROL_SMB_EN (1L<<12) #define BNX2_MISC_SM_ASF_CONTROL_SMB_BB_EN (1L<<13) #define BNX2_MISC_SM_ASF_CONTROL_SMB_NO_ADDR_FILT (1L<<14) #define BNX2_MISC_SM_ASF_CONTROL_SMB_AUTOREAD (1L<<15) -#define BNX2_MISC_SM_ASF_CONTROL_NIC_SMB_ADDR1 (0x3fL<<16) -#define BNX2_MISC_SM_ASF_CONTROL_NIC_SMB_ADDR2 (0x3fL<<24) +#define BNX2_MISC_SM_ASF_CONTROL_NIC_SMB_ADDR1 (0x7fL<<16) +#define BNX2_MISC_SM_ASF_CONTROL_NIC_SMB_ADDR2 (0x7fL<<23) #define BNX2_MISC_SM_ASF_CONTROL_EN_NIC_SMB_ADDR_0 (1L<<30) #define BNX2_MISC_SM_ASF_CONTROL_SMB_EARLY_ATTN (1L<<31) @@ -891,13 +1056,13 @@ struct l2_fhdr { #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS (0xfL<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_OK (0L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_FIRST_NACK (1L<<20) -#define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_SUB_NACK (9L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_UFLOW (2L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_STOP (3L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_TIMEOUT (4L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_FIRST_LOST (5L<<20) +#define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_BADACK (6L<<20) +#define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_SUB_NACK (9L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_SUB_LOST (0xdL<<20) -#define BNX2_MISC_SMB_OUT_SMB_OUT_STATUS_BADACK (0x6L<<20) #define BNX2_MISC_SMB_OUT_SMB_OUT_SLAVEMODE (1L<<24) #define BNX2_MISC_SMB_OUT_SMB_OUT_DAT_EN (1L<<25) #define BNX2_MISC_SMB_OUT_SMB_OUT_DAT_IN (1L<<26) @@ -955,6 +1120,38 @@ struct l2_fhdr { #define BNX2_MISC_PERR_ENA0_RDE_MISC_RPC (1L<<29) #define BNX2_MISC_PERR_ENA0_RDE_MISC_RPM (1L<<30) #define BNX2_MISC_PERR_ENA0_RV2P_MISC_CB0REGS (1L<<31) +#define BNX2_MISC_PERR_ENA0_COM_DMAE_PERR_EN_XI (1L<<0) +#define BNX2_MISC_PERR_ENA0_CP_DMAE_PERR_EN_XI (1L<<1) +#define BNX2_MISC_PERR_ENA0_RPM_ACPIBEMEM_PERR_EN_XI (1L<<2) +#define BNX2_MISC_PERR_ENA0_CTX_USAGE_CNT_PERR_EN_XI (1L<<3) +#define BNX2_MISC_PERR_ENA0_CTX_PGTBL_PERR_EN_XI (1L<<4) +#define BNX2_MISC_PERR_ENA0_CTX_CACHE_PERR_EN_XI (1L<<5) +#define BNX2_MISC_PERR_ENA0_CTX_MIRROR_PERR_EN_XI (1L<<6) +#define BNX2_MISC_PERR_ENA0_COM_CTXC_PERR_EN_XI (1L<<7) +#define BNX2_MISC_PERR_ENA0_COM_SCPAD_PERR_EN_XI (1L<<8) +#define BNX2_MISC_PERR_ENA0_CP_CTXC_PERR_EN_XI (1L<<9) +#define BNX2_MISC_PERR_ENA0_CP_SCPAD_PERR_EN_XI (1L<<10) +#define BNX2_MISC_PERR_ENA0_RXP_RBUFC_PERR_EN_XI (1L<<11) +#define BNX2_MISC_PERR_ENA0_RXP_CTXC_PERR_EN_XI (1L<<12) +#define BNX2_MISC_PERR_ENA0_RXP_SCPAD_PERR_EN_XI (1L<<13) +#define BNX2_MISC_PERR_ENA0_TPAT_SCPAD_PERR_EN_XI (1L<<14) +#define BNX2_MISC_PERR_ENA0_TXP_CTXC_PERR_EN_XI (1L<<15) +#define BNX2_MISC_PERR_ENA0_TXP_SCPAD_PERR_EN_XI (1L<<16) +#define BNX2_MISC_PERR_ENA0_CS_TMEM_PERR_EN_XI (1L<<17) +#define BNX2_MISC_PERR_ENA0_MQ_CTX_PERR_EN_XI (1L<<18) +#define BNX2_MISC_PERR_ENA0_RPM_DFIFOMEM_PERR_EN_XI (1L<<19) +#define BNX2_MISC_PERR_ENA0_RPC_DFIFOMEM_PERR_EN_XI (1L<<20) +#define BNX2_MISC_PERR_ENA0_RBUF_PTRMEM_PERR_EN_XI (1L<<21) +#define BNX2_MISC_PERR_ENA0_RBUF_DATAMEM_PERR_EN_XI (1L<<22) +#define BNX2_MISC_PERR_ENA0_RV2P_P2IRAM_PERR_EN_XI (1L<<23) +#define BNX2_MISC_PERR_ENA0_RV2P_P1IRAM_PERR_EN_XI (1L<<24) +#define BNX2_MISC_PERR_ENA0_RV2P_CB1REGS_PERR_EN_XI (1L<<25) +#define BNX2_MISC_PERR_ENA0_RV2P_CB0REGS_PERR_EN_XI (1L<<26) +#define BNX2_MISC_PERR_ENA0_TPBUF_PERR_EN_XI (1L<<27) +#define BNX2_MISC_PERR_ENA0_THBUF_PERR_EN_XI (1L<<28) +#define BNX2_MISC_PERR_ENA0_TDMA_PERR_EN_XI (1L<<29) +#define BNX2_MISC_PERR_ENA0_TBDC_PERR_EN_XI (1L<<30) +#define BNX2_MISC_PERR_ENA0_TSCH_LR_PERR_EN_XI (1L<<31) #define BNX2_MISC_PERR_ENA1 0x000008a8 #define BNX2_MISC_PERR_ENA1_RV2P_MISC_CB1REGS (1L<<0) @@ -989,6 +1186,35 @@ struct l2_fhdr { #define BNX2_MISC_PERR_ENA1_RXPQ_MISC (1L<<29) #define BNX2_MISC_PERR_ENA1_RXPCQ_MISC (1L<<30) #define BNX2_MISC_PERR_ENA1_RLUPQ_MISC (1L<<31) +#define BNX2_MISC_PERR_ENA1_RBDC_PERR_EN_XI (1L<<0) +#define BNX2_MISC_PERR_ENA1_RDMA_DFIFO_PERR_EN_XI (1L<<2) +#define BNX2_MISC_PERR_ENA1_HC_STATS_PERR_EN_XI (1L<<3) +#define BNX2_MISC_PERR_ENA1_HC_MSIX_PERR_EN_XI (1L<<4) +#define BNX2_MISC_PERR_ENA1_HC_PRODUCSTB_PERR_EN_XI (1L<<5) +#define BNX2_MISC_PERR_ENA1_HC_CONSUMSTB_PERR_EN_XI (1L<<6) +#define BNX2_MISC_PERR_ENA1_TPATQ_PERR_EN_XI (1L<<7) +#define BNX2_MISC_PERR_ENA1_MCPQ_PERR_EN_XI (1L<<8) +#define BNX2_MISC_PERR_ENA1_TDMAQ_PERR_EN_XI (1L<<9) +#define BNX2_MISC_PERR_ENA1_TXPQ_PERR_EN_XI (1L<<10) +#define BNX2_MISC_PERR_ENA1_COMTQ_PERR_EN_XI (1L<<11) +#define BNX2_MISC_PERR_ENA1_COMQ_PERR_EN_XI (1L<<12) +#define BNX2_MISC_PERR_ENA1_RLUPQ_PERR_EN_XI (1L<<13) +#define BNX2_MISC_PERR_ENA1_RXPQ_PERR_EN_XI (1L<<14) +#define BNX2_MISC_PERR_ENA1_RV2PPQ_PERR_EN_XI (1L<<15) +#define BNX2_MISC_PERR_ENA1_RDMAQ_PERR_EN_XI (1L<<16) +#define BNX2_MISC_PERR_ENA1_TASQ_PERR_EN_XI (1L<<17) +#define BNX2_MISC_PERR_ENA1_TBDRQ_PERR_EN_XI (1L<<18) +#define BNX2_MISC_PERR_ENA1_TSCHQ_PERR_EN_XI (1L<<19) +#define BNX2_MISC_PERR_ENA1_COMXQ_PERR_EN_XI (1L<<20) +#define BNX2_MISC_PERR_ENA1_RXPCQ_PERR_EN_XI (1L<<21) +#define BNX2_MISC_PERR_ENA1_RV2PTQ_PERR_EN_XI (1L<<22) +#define BNX2_MISC_PERR_ENA1_RV2PMQ_PERR_EN_XI (1L<<23) +#define BNX2_MISC_PERR_ENA1_CPQ_PERR_EN_XI (1L<<24) +#define BNX2_MISC_PERR_ENA1_CSQ_PERR_EN_XI (1L<<25) +#define BNX2_MISC_PERR_ENA1_RLUP_CID_PERR_EN_XI (1L<<26) +#define BNX2_MISC_PERR_ENA1_RV2PCS_TMEM_PERR_EN_XI (1L<<27) +#define BNX2_MISC_PERR_ENA1_RV2PCSQ_PERR_EN_XI (1L<<28) +#define BNX2_MISC_PERR_ENA1_MQ_IDX_PERR_EN_XI (1L<<29) #define BNX2_MISC_PERR_ENA2 0x000008ac #define BNX2_MISC_PERR_ENA2_COMQ_MISC (1L<<0) @@ -1000,19 +1226,498 @@ struct l2_fhdr { #define BNX2_MISC_PERR_ENA2_TDMAQ_MISC (1L<<6) #define BNX2_MISC_PERR_ENA2_TPATQ_MISC (1L<<7) #define BNX2_MISC_PERR_ENA2_TASQ_MISC (1L<<8) +#define BNX2_MISC_PERR_ENA2_TGT_FIFO_PERR_EN_XI (1L<<0) +#define BNX2_MISC_PERR_ENA2_UMP_TX_PERR_EN_XI (1L<<1) +#define BNX2_MISC_PERR_ENA2_UMP_RX_PERR_EN_XI (1L<<2) +#define BNX2_MISC_PERR_ENA2_MCP_ROM_PERR_EN_XI (1L<<3) +#define BNX2_MISC_PERR_ENA2_MCP_SCPAD_PERR_EN_XI (1L<<4) +#define BNX2_MISC_PERR_ENA2_HB_MEM_PERR_EN_XI (1L<<5) +#define BNX2_MISC_PERR_ENA2_PCIE_REPLAY_PERR_EN_XI (1L<<6) #define BNX2_MISC_DEBUG_VECTOR_SEL 0x000008b0 #define BNX2_MISC_DEBUG_VECTOR_SEL_0 (0xfffL<<0) #define BNX2_MISC_DEBUG_VECTOR_SEL_1 (0xfffL<<12) +#define BNX2_MISC_DEBUG_VECTOR_SEL_1_XI (0xfffL<<15) #define BNX2_MISC_VREG_CONTROL 0x000008b4 #define BNX2_MISC_VREG_CONTROL_1_2 (0xfL<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_XI (0xfL<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS14_XI (0L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS12_XI (1L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS10_XI (2L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS8_XI (3L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS6_XI (4L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS4_XI (5L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_PLUS2_XI (6L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_NOM_XI (7L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS2_XI (8L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS4_XI (9L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS6_XI (10L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS8_XI (11L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS10_XI (12L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS12_XI (13L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS14_XI (14L<<0) +#define BNX2_MISC_VREG_CONTROL_1_0_MAIN_MINUS16_XI (15L<<0) #define BNX2_MISC_VREG_CONTROL_2_5 (0xfL<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS14 (0L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS12 (1L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS10 (2L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS8 (3L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS6 (4L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS4 (5L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_PLUS2 (6L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_NOM (7L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS2 (8L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS4 (9L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS6 (10L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS8 (11L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS10 (12L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS12 (13L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS14 (14L<<4) +#define BNX2_MISC_VREG_CONTROL_2_5_MINUS16 (15L<<4) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT (0xfL<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS14 (0L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS12 (1L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS10 (2L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS8 (3L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS6 (4L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS4 (5L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_PLUS2 (6L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_NOM (7L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS2 (8L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS4 (9L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS6 (10L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS8 (11L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS10 (12L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS12 (13L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS14 (14L<<8) +#define BNX2_MISC_VREG_CONTROL_1_0_MGMT_MINUS16 (15L<<8) #define BNX2_MISC_FINAL_CLK_CTL_VAL 0x000008b8 #define BNX2_MISC_FINAL_CLK_CTL_VAL_MISC_FINAL_CLK_CTL_VAL (0x3ffffffL<<6) -#define BNX2_MISC_UNUSED0 0x000008bc +#define BNX2_MISC_GP_HW_CTL0 0x000008bc +#define BNX2_MISC_GP_HW_CTL0_TX_DRIVE (1L<<0) +#define BNX2_MISC_GP_HW_CTL0_RMII_MODE (1L<<1) +#define BNX2_MISC_GP_HW_CTL0_RMII_CRSDV_SEL (1L<<2) +#define BNX2_MISC_GP_HW_CTL0_RVMII_MODE (1L<<3) +#define BNX2_MISC_GP_HW_CTL0_FLASH_SAMP_SCLK_NEGEDGE_TE (1L<<4) +#define BNX2_MISC_GP_HW_CTL0_HIDDEN_REVISION_ID_TE (1L<<5) +#define BNX2_MISC_GP_HW_CTL0_HC_CNTL_TMOUT_CTR_RST_TE (1L<<6) +#define BNX2_MISC_GP_HW_CTL0_RESERVED1_XI (0x7L<<4) +#define BNX2_MISC_GP_HW_CTL0_ENA_CORE_RST_ON_MAIN_PWR_GOING_AWAY (1L<<7) +#define BNX2_MISC_GP_HW_CTL0_ENA_SEL_VAUX_B_IN_L2_TE (1L<<8) +#define BNX2_MISC_GP_HW_CTL0_GRC_BNK_FREE_FIX_TE (1L<<9) +#define BNX2_MISC_GP_HW_CTL0_LED_ACT_SEL_TE (1L<<10) +#define BNX2_MISC_GP_HW_CTL0_RESERVED2_XI (0x7L<<8) +#define BNX2_MISC_GP_HW_CTL0_UP1_DEF0 (1L<<11) +#define BNX2_MISC_GP_HW_CTL0_FIBER_MODE_DIS_DEF (1L<<12) +#define BNX2_MISC_GP_HW_CTL0_FORCE2500_DEF (1L<<13) +#define BNX2_MISC_GP_HW_CTL0_AUTODETECT_DIS_DEF (1L<<14) +#define BNX2_MISC_GP_HW_CTL0_PARALLEL_DETECT_DEF (1L<<15) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI (0xfL<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_3MA (0L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_2P5MA (1L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_2P0MA (3L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_1P5MA (5L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_1P0MA (7L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_DAI_PWRDN (15L<<16) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PRE2DIS (1L<<20) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PRE1DIS (1L<<21) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_CTAT (0x3L<<22) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_CTAT_M6P (0L<<22) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_CTAT_M0P (1L<<22) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_CTAT_P0P (2L<<22) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_CTAT_P6P (3L<<22) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PTAT (0x3L<<24) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PTAT_M6P (0L<<24) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PTAT_M0P (1L<<24) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PTAT_P0P (2L<<24) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_PTAT_P6P (3L<<24) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_IAMP_ADJ (0x3L<<26) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_IAMP_ADJ_240UA (0L<<26) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_IAMP_ADJ_160UA (1L<<26) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_IAMP_ADJ_400UA (2L<<26) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_IAMP_ADJ_320UA (3L<<26) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_ICBUF_ADJ (0x3L<<28) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_ICBUF_ADJ_240UA (0L<<28) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_ICBUF_ADJ_160UA (1L<<28) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_ICBUF_ADJ_400UA (2L<<28) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_ICBUF_ADJ_320UA (3L<<28) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_XTAL_ADJ (0x3L<<30) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_XTAL_ADJ_1P57 (0L<<30) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_XTAL_ADJ_1P45 (1L<<30) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_XTAL_ADJ_1P62 (2L<<30) +#define BNX2_MISC_GP_HW_CTL0_OSCCTRL_XTAL_ADJ_1P66 (3L<<30) + +#define BNX2_MISC_GP_HW_CTL1 0x000008c0 +#define BNX2_MISC_GP_HW_CTL1_1_ATTN_BTN_PRSNT_TE (1L<<0) +#define BNX2_MISC_GP_HW_CTL1_1_ATTN_IND_PRSNT_TE (1L<<1) +#define BNX2_MISC_GP_HW_CTL1_1_PWR_IND_PRSNT_TE (1L<<2) +#define BNX2_MISC_GP_HW_CTL1_0_PCIE_LOOPBACK_TE (1L<<3) +#define BNX2_MISC_GP_HW_CTL1_RESERVED_SOFT_XI (0xffffL<<0) +#define BNX2_MISC_GP_HW_CTL1_RESERVED_HARD_XI (0xffffL<<16) + +#define BNX2_MISC_NEW_HW_CTL 0x000008c4 +#define BNX2_MISC_NEW_HW_CTL_MAIN_POR_BYPASS (1L<<0) +#define BNX2_MISC_NEW_HW_CTL_RINGOSC_ENABLE (1L<<1) +#define BNX2_MISC_NEW_HW_CTL_RINGOSC_SEL0 (1L<<2) +#define BNX2_MISC_NEW_HW_CTL_RINGOSC_SEL1 (1L<<3) +#define BNX2_MISC_NEW_HW_CTL_RESERVED_SHARED (0xfffL<<4) +#define BNX2_MISC_NEW_HW_CTL_RESERVED_SPLIT (0xffffL<<16) + +#define BNX2_MISC_NEW_CORE_CTL 0x000008c8 +#define BNX2_MISC_NEW_CORE_CTL_LINK_HOLDOFF_SUCCESS (1L<<0) +#define BNX2_MISC_NEW_CORE_CTL_LINK_HOLDOFF_REQ (1L<<1) +#define BNX2_MISC_NEW_CORE_CTL_RESERVED_CMN (0x3fffL<<2) +#define BNX2_MISC_NEW_CORE_CTL_RESERVED_TC (0xffffL<<16) + +#define BNX2_MISC_ECO_HW_CTL 0x000008cc +#define BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN (1L<<0) +#define BNX2_MISC_ECO_HW_CTL_RESERVED_SOFT (0x7fffL<<1) +#define BNX2_MISC_ECO_HW_CTL_RESERVED_HARD (0xffffL<<16) + +#define BNX2_MISC_ECO_CORE_CTL 0x000008d0 +#define BNX2_MISC_ECO_CORE_CTL_RESERVED_SOFT (0xffffL<<0) +#define BNX2_MISC_ECO_CORE_CTL_RESERVED_HARD (0xffffL<<16) + +#define BNX2_MISC_PPIO 0x000008d4 +#define BNX2_MISC_PPIO_VALUE (0xfL<<0) +#define BNX2_MISC_PPIO_SET (0xfL<<8) +#define BNX2_MISC_PPIO_CLR (0xfL<<16) +#define BNX2_MISC_PPIO_FLOAT (0xfL<<24) + +#define BNX2_MISC_PPIO_INT 0x000008d8 +#define BNX2_MISC_PPIO_INT_INT_STATE (0xfL<<0) +#define BNX2_MISC_PPIO_INT_OLD_VALUE (0xfL<<8) +#define BNX2_MISC_PPIO_INT_OLD_SET (0xfL<<16) +#define BNX2_MISC_PPIO_INT_OLD_CLR (0xfL<<24) + +#define BNX2_MISC_RESET_NUMS 0x000008dc +#define BNX2_MISC_RESET_NUMS_NUM_HARD_RESETS (0x7L<<0) +#define BNX2_MISC_RESET_NUMS_NUM_PCIE_RESETS (0x7L<<4) +#define BNX2_MISC_RESET_NUMS_NUM_PERSTB_RESETS (0x7L<<8) +#define BNX2_MISC_RESET_NUMS_NUM_CMN_RESETS (0x7L<<12) +#define BNX2_MISC_RESET_NUMS_NUM_PORT_RESETS (0x7L<<16) + +#define BNX2_MISC_CS16_ERR 0x000008e0 +#define BNX2_MISC_CS16_ERR_ENA_PCI (1L<<0) +#define BNX2_MISC_CS16_ERR_ENA_RDMA (1L<<1) +#define BNX2_MISC_CS16_ERR_ENA_TDMA (1L<<2) +#define BNX2_MISC_CS16_ERR_ENA_EMAC (1L<<3) +#define BNX2_MISC_CS16_ERR_ENA_CTX (1L<<4) +#define BNX2_MISC_CS16_ERR_ENA_TBDR (1L<<5) +#define BNX2_MISC_CS16_ERR_ENA_RBDC (1L<<6) +#define BNX2_MISC_CS16_ERR_ENA_COM (1L<<7) +#define BNX2_MISC_CS16_ERR_ENA_CP (1L<<8) +#define BNX2_MISC_CS16_ERR_STA_PCI (1L<<16) +#define BNX2_MISC_CS16_ERR_STA_RDMA (1L<<17) +#define BNX2_MISC_CS16_ERR_STA_TDMA (1L<<18) +#define BNX2_MISC_CS16_ERR_STA_EMAC (1L<<19) +#define BNX2_MISC_CS16_ERR_STA_CTX (1L<<20) +#define BNX2_MISC_CS16_ERR_STA_TBDR (1L<<21) +#define BNX2_MISC_CS16_ERR_STA_RBDC (1L<<22) +#define BNX2_MISC_CS16_ERR_STA_COM (1L<<23) +#define BNX2_MISC_CS16_ERR_STA_CP (1L<<24) + +#define BNX2_MISC_SPIO_EVENT 0x000008e4 +#define BNX2_MISC_SPIO_EVENT_ENABLE (0xffL<<0) + +#define BNX2_MISC_PPIO_EVENT 0x000008e8 +#define BNX2_MISC_PPIO_EVENT_ENABLE (0xfL<<0) + +#define BNX2_MISC_DUAL_MEDIA_CTRL 0x000008ec +#define BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID (0xffL<<0) +#define BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_X (0L<<0) +#define BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C (3L<<0) +#define BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S (12L<<0) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP (0x7L<<8) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PORT_SWAP_PIN (1L<<11) +#define BNX2_MISC_DUAL_MEDIA_CTRL_SERDES1_SIGDET (1L<<12) +#define BNX2_MISC_DUAL_MEDIA_CTRL_SERDES0_SIGDET (1L<<13) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY1_SIGDET (1L<<14) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY0_SIGDET (1L<<15) +#define BNX2_MISC_DUAL_MEDIA_CTRL_LCPLL_RST (1L<<16) +#define BNX2_MISC_DUAL_MEDIA_CTRL_SERDES1_RST (1L<<17) +#define BNX2_MISC_DUAL_MEDIA_CTRL_SERDES0_RST (1L<<18) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY1_RST (1L<<19) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY0_RST (1L<<20) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL (0x7L<<21) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PORT_SWAP (1L<<24) +#define BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE (1L<<25) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_SERDES_IDDQ (0xfL<<26) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_SERDES_IDDQ_SER1_IDDQ (1L<<26) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_SERDES_IDDQ_SER0_IDDQ (2L<<26) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_SERDES_IDDQ_PHY1_IDDQ (4L<<26) +#define BNX2_MISC_DUAL_MEDIA_CTRL_PHY_SERDES_IDDQ_PHY0_IDDQ (8L<<26) + +#define BNX2_MISC_OTP_CMD1 0x000008f0 +#define BNX2_MISC_OTP_CMD1_FMODE (0x7L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_IDLE (0L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_WRITE (1L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_INIT (2L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_SET (3L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_RST (4L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_VERIFY (5L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_RESERVED0 (6L<<0) +#define BNX2_MISC_OTP_CMD1_FMODE_RESERVED1 (7L<<0) +#define BNX2_MISC_OTP_CMD1_USEPINS (1L<<8) +#define BNX2_MISC_OTP_CMD1_PROGSEL (1L<<9) +#define BNX2_MISC_OTP_CMD1_PROGSTART (1L<<10) +#define BNX2_MISC_OTP_CMD1_PCOUNT (0x7L<<16) +#define BNX2_MISC_OTP_CMD1_PBYP (1L<<19) +#define BNX2_MISC_OTP_CMD1_VSEL (0xfL<<20) +#define BNX2_MISC_OTP_CMD1_TM (0x7L<<27) +#define BNX2_MISC_OTP_CMD1_SADBYP (1L<<30) +#define BNX2_MISC_OTP_CMD1_DEBUG (1L<<31) + +#define BNX2_MISC_OTP_CMD2 0x000008f4 +#define BNX2_MISC_OTP_CMD2_OTP_ROM_ADDR (0x3ffL<<0) +#define BNX2_MISC_OTP_CMD2_DOSEL (0x7fL<<16) +#define BNX2_MISC_OTP_CMD2_DOSEL_0 (0L<<16) +#define BNX2_MISC_OTP_CMD2_DOSEL_1 (1L<<16) +#define BNX2_MISC_OTP_CMD2_DOSEL_127 (127L<<16) + +#define BNX2_MISC_OTP_STATUS 0x000008f8 +#define BNX2_MISC_OTP_STATUS_DATA (0xffL<<0) +#define BNX2_MISC_OTP_STATUS_VALID (1L<<8) +#define BNX2_MISC_OTP_STATUS_BUSY (1L<<9) +#define BNX2_MISC_OTP_STATUS_BUSYSM (1L<<10) +#define BNX2_MISC_OTP_STATUS_DONE (1L<<11) + +#define BNX2_MISC_OTP_SHIFT1_CMD 0x000008fc +#define BNX2_MISC_OTP_SHIFT1_CMD_RESET_MODE_N (1L<<0) +#define BNX2_MISC_OTP_SHIFT1_CMD_SHIFT_DONE (1L<<1) +#define BNX2_MISC_OTP_SHIFT1_CMD_SHIFT_START (1L<<2) +#define BNX2_MISC_OTP_SHIFT1_CMD_LOAD_DATA (1L<<3) +#define BNX2_MISC_OTP_SHIFT1_CMD_SHIFT_SELECT (0x1fL<<8) + +#define BNX2_MISC_OTP_SHIFT1_DATA 0x00000900 +#define BNX2_MISC_OTP_SHIFT2_CMD 0x00000904 +#define BNX2_MISC_OTP_SHIFT2_CMD_RESET_MODE_N (1L<<0) +#define BNX2_MISC_OTP_SHIFT2_CMD_SHIFT_DONE (1L<<1) +#define BNX2_MISC_OTP_SHIFT2_CMD_SHIFT_START (1L<<2) +#define BNX2_MISC_OTP_SHIFT2_CMD_LOAD_DATA (1L<<3) +#define BNX2_MISC_OTP_SHIFT2_CMD_SHIFT_SELECT (0x1fL<<8) + +#define BNX2_MISC_OTP_SHIFT2_DATA 0x00000908 +#define BNX2_MISC_BIST_CS0 0x0000090c +#define BNX2_MISC_BIST_CS0_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS0_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS0_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS0_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS0_MBIST_GO (1L<<9) +#define BNX2_MISC_BIST_CS0_BIST_OVERRIDE (1L<<31) + +#define BNX2_MISC_BIST_MEMSTATUS0 0x00000910 +#define BNX2_MISC_BIST_CS1 0x00000914 +#define BNX2_MISC_BIST_CS1_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS1_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS1_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS1_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS1_MBIST_GO (1L<<9) + +#define BNX2_MISC_BIST_MEMSTATUS1 0x00000918 +#define BNX2_MISC_BIST_CS2 0x0000091c +#define BNX2_MISC_BIST_CS2_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS2_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS2_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS2_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS2_MBIST_GO (1L<<9) + +#define BNX2_MISC_BIST_MEMSTATUS2 0x00000920 +#define BNX2_MISC_BIST_CS3 0x00000924 +#define BNX2_MISC_BIST_CS3_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS3_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS3_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS3_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS3_MBIST_GO (1L<<9) + +#define BNX2_MISC_BIST_MEMSTATUS3 0x00000928 +#define BNX2_MISC_BIST_CS4 0x0000092c +#define BNX2_MISC_BIST_CS4_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS4_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS4_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS4_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS4_MBIST_GO (1L<<9) + +#define BNX2_MISC_BIST_MEMSTATUS4 0x00000930 +#define BNX2_MISC_BIST_CS5 0x00000934 +#define BNX2_MISC_BIST_CS5_MBIST_EN (1L<<0) +#define BNX2_MISC_BIST_CS5_BIST_SETUP (0x3L<<1) +#define BNX2_MISC_BIST_CS5_MBIST_ASYNC_RESET (1L<<3) +#define BNX2_MISC_BIST_CS5_MBIST_DONE (1L<<8) +#define BNX2_MISC_BIST_CS5_MBIST_GO (1L<<9) + +#define BNX2_MISC_BIST_MEMSTATUS5 0x00000938 +#define BNX2_MISC_MEM_TM0 0x0000093c +#define BNX2_MISC_MEM_TM0_PCIE_REPLAY_TM (0xfL<<0) +#define BNX2_MISC_MEM_TM0_MCP_SCPAD (0xfL<<8) +#define BNX2_MISC_MEM_TM0_UMP_TM (0xffL<<16) +#define BNX2_MISC_MEM_TM0_HB_MEM_TM (0xfL<<24) + +#define BNX2_MISC_USPLL_CTRL 0x00000940 +#define BNX2_MISC_USPLL_CTRL_PH_DET_DIS (1L<<0) +#define BNX2_MISC_USPLL_CTRL_FREQ_DET_DIS (1L<<1) +#define BNX2_MISC_USPLL_CTRL_LCPX (0x3fL<<2) +#define BNX2_MISC_USPLL_CTRL_RX (0x3L<<8) +#define BNX2_MISC_USPLL_CTRL_VC_EN (1L<<10) +#define BNX2_MISC_USPLL_CTRL_VCO_MG (0x3L<<11) +#define BNX2_MISC_USPLL_CTRL_KVCO_XF (0x7L<<13) +#define BNX2_MISC_USPLL_CTRL_KVCO_XS (0x7L<<16) +#define BNX2_MISC_USPLL_CTRL_TESTD_EN (1L<<19) +#define BNX2_MISC_USPLL_CTRL_TESTD_SEL (0x7L<<20) +#define BNX2_MISC_USPLL_CTRL_TESTA_EN (1L<<23) +#define BNX2_MISC_USPLL_CTRL_TESTA_SEL (0x3L<<24) +#define BNX2_MISC_USPLL_CTRL_ATTEN_FREF (1L<<26) +#define BNX2_MISC_USPLL_CTRL_DIGITAL_RST (1L<<27) +#define BNX2_MISC_USPLL_CTRL_ANALOG_RST (1L<<28) +#define BNX2_MISC_USPLL_CTRL_LOCK (1L<<29) + +#define BNX2_MISC_PERR_STATUS0 0x00000944 +#define BNX2_MISC_PERR_STATUS0_COM_DMAE_PERR (1L<<0) +#define BNX2_MISC_PERR_STATUS0_CP_DMAE_PERR (1L<<1) +#define BNX2_MISC_PERR_STATUS0_RPM_ACPIBEMEM_PERR (1L<<2) +#define BNX2_MISC_PERR_STATUS0_CTX_USAGE_CNT_PERR (1L<<3) +#define BNX2_MISC_PERR_STATUS0_CTX_PGTBL_PERR (1L<<4) +#define BNX2_MISC_PERR_STATUS0_CTX_CACHE_PERR (1L<<5) +#define BNX2_MISC_PERR_STATUS0_CTX_MIRROR_PERR (1L<<6) +#define BNX2_MISC_PERR_STATUS0_COM_CTXC_PERR (1L<<7) +#define BNX2_MISC_PERR_STATUS0_COM_SCPAD_PERR (1L<<8) +#define BNX2_MISC_PERR_STATUS0_CP_CTXC_PERR (1L<<9) +#define BNX2_MISC_PERR_STATUS0_CP_SCPAD_PERR (1L<<10) +#define BNX2_MISC_PERR_STATUS0_RXP_RBUFC_PERR (1L<<11) +#define BNX2_MISC_PERR_STATUS0_RXP_CTXC_PERR (1L<<12) +#define BNX2_MISC_PERR_STATUS0_RXP_SCPAD_PERR (1L<<13) +#define BNX2_MISC_PERR_STATUS0_TPAT_SCPAD_PERR (1L<<14) +#define BNX2_MISC_PERR_STATUS0_TXP_CTXC_PERR (1L<<15) +#define BNX2_MISC_PERR_STATUS0_TXP_SCPAD_PERR (1L<<16) +#define BNX2_MISC_PERR_STATUS0_CS_TMEM_PERR (1L<<17) +#define BNX2_MISC_PERR_STATUS0_MQ_CTX_PERR (1L<<18) +#define BNX2_MISC_PERR_STATUS0_RPM_DFIFOMEM_PERR (1L<<19) +#define BNX2_MISC_PERR_STATUS0_RPC_DFIFOMEM_PERR (1L<<20) +#define BNX2_MISC_PERR_STATUS0_RBUF_PTRMEM_PERR (1L<<21) +#define BNX2_MISC_PERR_STATUS0_RBUF_DATAMEM_PERR (1L<<22) +#define BNX2_MISC_PERR_STATUS0_RV2P_P2IRAM_PERR (1L<<23) +#define BNX2_MISC_PERR_STATUS0_RV2P_P1IRAM_PERR (1L<<24) +#define BNX2_MISC_PERR_STATUS0_RV2P_CB1REGS_PERR (1L<<25) +#define BNX2_MISC_PERR_STATUS0_RV2P_CB0REGS_PERR (1L<<26) +#define BNX2_MISC_PERR_STATUS0_TPBUF_PERR (1L<<27) +#define BNX2_MISC_PERR_STATUS0_THBUF_PERR (1L<<28) +#define BNX2_MISC_PERR_STATUS0_TDMA_PERR (1L<<29) +#define BNX2_MISC_PERR_STATUS0_TBDC_PERR (1L<<30) +#define BNX2_MISC_PERR_STATUS0_TSCH_LR_PERR (1L<<31) + +#define BNX2_MISC_PERR_STATUS1 0x00000948 +#define BNX2_MISC_PERR_STATUS1_RBDC_PERR (1L<<0) +#define BNX2_MISC_PERR_STATUS1_RDMA_DFIFO_PERR (1L<<2) +#define BNX2_MISC_PERR_STATUS1_HC_STATS_PERR (1L<<3) +#define BNX2_MISC_PERR_STATUS1_HC_MSIX_PERR (1L<<4) +#define BNX2_MISC_PERR_STATUS1_HC_PRODUCSTB_PERR (1L<<5) +#define BNX2_MISC_PERR_STATUS1_HC_CONSUMSTB_PERR (1L<<6) +#define BNX2_MISC_PERR_STATUS1_TPATQ_PERR (1L<<7) +#define BNX2_MISC_PERR_STATUS1_MCPQ_PERR (1L<<8) +#define BNX2_MISC_PERR_STATUS1_TDMAQ_PERR (1L<<9) +#define BNX2_MISC_PERR_STATUS1_TXPQ_PERR (1L<<10) +#define BNX2_MISC_PERR_STATUS1_COMTQ_PERR (1L<<11) +#define BNX2_MISC_PERR_STATUS1_COMQ_PERR (1L<<12) +#define BNX2_MISC_PERR_STATUS1_RLUPQ_PERR (1L<<13) +#define BNX2_MISC_PERR_STATUS1_RXPQ_PERR (1L<<14) +#define BNX2_MISC_PERR_STATUS1_RV2PPQ_PERR (1L<<15) +#define BNX2_MISC_PERR_STATUS1_RDMAQ_PERR (1L<<16) +#define BNX2_MISC_PERR_STATUS1_TASQ_PERR (1L<<17) +#define BNX2_MISC_PERR_STATUS1_TBDRQ_PERR (1L<<18) +#define BNX2_MISC_PERR_STATUS1_TSCHQ_PERR (1L<<19) +#define BNX2_MISC_PERR_STATUS1_COMXQ_PERR (1L<<20) +#define BNX2_MISC_PERR_STATUS1_RXPCQ_PERR (1L<<21) +#define BNX2_MISC_PERR_STATUS1_RV2PTQ_PERR (1L<<22) +#define BNX2_MISC_PERR_STATUS1_RV2PMQ_PERR (1L<<23) +#define BNX2_MISC_PERR_STATUS1_CPQ_PERR (1L<<24) +#define BNX2_MISC_PERR_STATUS1_CSQ_PERR (1L<<25) +#define BNX2_MISC_PERR_STATUS1_RLUP_CID_PERR (1L<<26) +#define BNX2_MISC_PERR_STATUS1_RV2PCS_TMEM_PERR (1L<<27) +#define BNX2_MISC_PERR_STATUS1_RV2PCSQ_PERR (1L<<28) +#define BNX2_MISC_PERR_STATUS1_MQ_IDX_PERR (1L<<29) + +#define BNX2_MISC_PERR_STATUS2 0x0000094c +#define BNX2_MISC_PERR_STATUS2_TGT_FIFO_PERR (1L<<0) +#define BNX2_MISC_PERR_STATUS2_UMP_TX_PERR (1L<<1) +#define BNX2_MISC_PERR_STATUS2_UMP_RX_PERR (1L<<2) +#define BNX2_MISC_PERR_STATUS2_MCP_ROM_PERR (1L<<3) +#define BNX2_MISC_PERR_STATUS2_MCP_SCPAD_PERR (1L<<4) +#define BNX2_MISC_PERR_STATUS2_HB_MEM_PERR (1L<<5) +#define BNX2_MISC_PERR_STATUS2_PCIE_REPLAY_PERR (1L<<6) + +#define BNX2_MISC_LCPLL_CTRL0 0x00000950 +#define BNX2_MISC_LCPLL_CTRL0_OAC (0x7L<<0) +#define BNX2_MISC_LCPLL_CTRL0_OAC_NEGTWENTY (0L<<0) +#define BNX2_MISC_LCPLL_CTRL0_OAC_ZERO (1L<<0) +#define BNX2_MISC_LCPLL_CTRL0_OAC_TWENTY (3L<<0) +#define BNX2_MISC_LCPLL_CTRL0_OAC_FORTY (7L<<0) +#define BNX2_MISC_LCPLL_CTRL0_ICP_CTRL (0x7L<<3) +#define BNX2_MISC_LCPLL_CTRL0_ICP_CTRL_360 (0L<<3) +#define BNX2_MISC_LCPLL_CTRL0_ICP_CTRL_480 (1L<<3) +#define BNX2_MISC_LCPLL_CTRL0_ICP_CTRL_600 (3L<<3) +#define BNX2_MISC_LCPLL_CTRL0_ICP_CTRL_720 (7L<<3) +#define BNX2_MISC_LCPLL_CTRL0_BIAS_CTRL (0x3L<<6) +#define BNX2_MISC_LCPLL_CTRL0_PLL_OBSERVE (0x7L<<8) +#define BNX2_MISC_LCPLL_CTRL0_VTH_CTRL (0x3L<<11) +#define BNX2_MISC_LCPLL_CTRL0_VTH_CTRL_0 (0L<<11) +#define BNX2_MISC_LCPLL_CTRL0_VTH_CTRL_1 (1L<<11) +#define BNX2_MISC_LCPLL_CTRL0_VTH_CTRL_2 (2L<<11) +#define BNX2_MISC_LCPLL_CTRL0_PLLSEQSTART (1L<<13) +#define BNX2_MISC_LCPLL_CTRL0_RESERVED (1L<<14) +#define BNX2_MISC_LCPLL_CTRL0_CAPRETRY_EN (1L<<15) +#define BNX2_MISC_LCPLL_CTRL0_FREQMONITOR_EN (1L<<16) +#define BNX2_MISC_LCPLL_CTRL0_FREQDETRESTART_EN (1L<<17) +#define BNX2_MISC_LCPLL_CTRL0_FREQDETRETRY_EN (1L<<18) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCEFDONE_EN (1L<<19) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCEFDONE (1L<<20) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCEFPASS (1L<<21) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCECAPDONE_EN (1L<<22) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCECAPDONE (1L<<23) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCECAPPASS_EN (1L<<24) +#define BNX2_MISC_LCPLL_CTRL0_PLLFORCECAPPASS (1L<<25) +#define BNX2_MISC_LCPLL_CTRL0_CAPRESTART (1L<<26) +#define BNX2_MISC_LCPLL_CTRL0_CAPSELECTM_EN (1L<<27) + +#define BNX2_MISC_LCPLL_CTRL1 0x00000954 +#define BNX2_MISC_LCPLL_CTRL1_CAPSELECTM (0x1fL<<0) +#define BNX2_MISC_LCPLL_CTRL1_CAPFORCESLOWDOWN_EN (1L<<5) +#define BNX2_MISC_LCPLL_CTRL1_CAPFORCESLOWDOWN (1L<<6) +#define BNX2_MISC_LCPLL_CTRL1_SLOWDN_XOR (1L<<7) + +#define BNX2_MISC_LCPLL_STATUS 0x00000958 +#define BNX2_MISC_LCPLL_STATUS_FREQDONE_SM (1L<<0) +#define BNX2_MISC_LCPLL_STATUS_FREQPASS_SM (1L<<1) +#define BNX2_MISC_LCPLL_STATUS_PLLSEQDONE (1L<<2) +#define BNX2_MISC_LCPLL_STATUS_PLLSEQPASS (1L<<3) +#define BNX2_MISC_LCPLL_STATUS_PLLSTATE (0x7L<<4) +#define BNX2_MISC_LCPLL_STATUS_CAPSTATE (0x7L<<7) +#define BNX2_MISC_LCPLL_STATUS_CAPSELECT (0x1fL<<10) +#define BNX2_MISC_LCPLL_STATUS_SLOWDN_INDICATOR (1L<<15) +#define BNX2_MISC_LCPLL_STATUS_SLOWDN_INDICATOR_0 (0L<<15) +#define BNX2_MISC_LCPLL_STATUS_SLOWDN_INDICATOR_1 (1L<<15) + +#define BNX2_MISC_OSCFUNDS_CTRL 0x0000095c +#define BNX2_MISC_OSCFUNDS_CTRL_FREQ_MON (1L<<5) +#define BNX2_MISC_OSCFUNDS_CTRL_FREQ_MON_OFF (0L<<5) +#define BNX2_MISC_OSCFUNDS_CTRL_FREQ_MON_ON (1L<<5) +#define BNX2_MISC_OSCFUNDS_CTRL_XTAL_ADJCM (0x3L<<6) +#define BNX2_MISC_OSCFUNDS_CTRL_XTAL_ADJCM_0 (0L<<6) +#define BNX2_MISC_OSCFUNDS_CTRL_XTAL_ADJCM_1 (1L<<6) +#define BNX2_MISC_OSCFUNDS_CTRL_XTAL_ADJCM_2 (2L<<6) +#define BNX2_MISC_OSCFUNDS_CTRL_XTAL_ADJCM_3 (3L<<6) +#define BNX2_MISC_OSCFUNDS_CTRL_ICBUF_ADJ (0x3L<<8) +#define BNX2_MISC_OSCFUNDS_CTRL_ICBUF_ADJ_0 (0L<<8) +#define BNX2_MISC_OSCFUNDS_CTRL_ICBUF_ADJ_1 (1L<<8) +#define BNX2_MISC_OSCFUNDS_CTRL_ICBUF_ADJ_2 (2L<<8) +#define BNX2_MISC_OSCFUNDS_CTRL_ICBUF_ADJ_3 (3L<<8) +#define BNX2_MISC_OSCFUNDS_CTRL_IAMP_ADJ (0x3L<<10) +#define BNX2_MISC_OSCFUNDS_CTRL_IAMP_ADJ_0 (0L<<10) +#define BNX2_MISC_OSCFUNDS_CTRL_IAMP_ADJ_1 (1L<<10) +#define BNX2_MISC_OSCFUNDS_CTRL_IAMP_ADJ_2 (2L<<10) +#define BNX2_MISC_OSCFUNDS_CTRL_IAMP_ADJ_3 (3L<<10) /* @@ -1031,11 +1736,35 @@ struct l2_fhdr { #define BNX2_NVM_COMMAND_WRDI (1L<<17) #define BNX2_NVM_COMMAND_EWSR (1L<<18) #define BNX2_NVM_COMMAND_WRSR (1L<<19) +#define BNX2_NVM_COMMAND_RD_ID (1L<<20) +#define BNX2_NVM_COMMAND_RD_STATUS (1L<<21) +#define BNX2_NVM_COMMAND_MODE_256 (1L<<22) #define BNX2_NVM_STATUS 0x00006404 #define BNX2_NVM_STATUS_PI_FSM_STATE (0xfL<<0) #define BNX2_NVM_STATUS_EE_FSM_STATE (0xfL<<4) #define BNX2_NVM_STATUS_EQ_FSM_STATE (0xfL<<8) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_XI (0x1fL<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_IDLE_XI (0L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_CMD0_XI (1L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_CMD1_XI (2L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_CMD_FINISH0_XI (3L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_CMD_FINISH1_XI (4L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_ADDR0_XI (5L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_WRITE_DATA0_XI (6L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_WRITE_DATA1_XI (7L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_WRITE_DATA2_XI (8L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_DATA0_XI (9L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_DATA1_XI (10L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_DATA2_XI (11L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_STATUS_RDID0_XI (12L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_STATUS_RDID1_XI (13L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_STATUS_RDID2_XI (14L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_STATUS_RDID3_XI (15L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_READ_STATUS_RDID4_XI (16L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_CHECK_BUSY0_XI (17L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_ST_WREN_XI (18L<<0) +#define BNX2_NVM_STATUS_SPI_FSM_STATE_SPI_WAIT_XI (19L<<0) #define BNX2_NVM_WRITE 0x00006408 #define BNX2_NVM_WRITE_NVM_WRITE_VALUE (0xffffffffL<<0) @@ -1046,6 +1775,10 @@ struct l2_fhdr { #define BNX2_NVM_WRITE_NVM_WRITE_VALUE_CS_B (8L<<0) #define BNX2_NVM_WRITE_NVM_WRITE_VALUE_SO (16L<<0) #define BNX2_NVM_WRITE_NVM_WRITE_VALUE_SI (32L<<0) +#define BNX2_NVM_WRITE_NVM_WRITE_VALUE_SI_XI (1L<<0) +#define BNX2_NVM_WRITE_NVM_WRITE_VALUE_SO_XI (2L<<0) +#define BNX2_NVM_WRITE_NVM_WRITE_VALUE_CS_B_XI (4L<<0) +#define BNX2_NVM_WRITE_NVM_WRITE_VALUE_SCLK_XI (8L<<0) #define BNX2_NVM_ADDR 0x0000640c #define BNX2_NVM_ADDR_NVM_ADDR_VALUE (0xffffffL<<0) @@ -1056,6 +1789,10 @@ struct l2_fhdr { #define BNX2_NVM_ADDR_NVM_ADDR_VALUE_CS_B (8L<<0) #define BNX2_NVM_ADDR_NVM_ADDR_VALUE_SO (16L<<0) #define BNX2_NVM_ADDR_NVM_ADDR_VALUE_SI (32L<<0) +#define BNX2_NVM_ADDR_NVM_ADDR_VALUE_SI_XI (1L<<0) +#define BNX2_NVM_ADDR_NVM_ADDR_VALUE_SO_XI (2L<<0) +#define BNX2_NVM_ADDR_NVM_ADDR_VALUE_CS_B_XI (4L<<0) +#define BNX2_NVM_ADDR_NVM_ADDR_VALUE_SCLK_XI (8L<<0) #define BNX2_NVM_READ 0x00006410 #define BNX2_NVM_READ_NVM_READ_VALUE (0xffffffffL<<0) @@ -1066,6 +1803,10 @@ struct l2_fhdr { #define BNX2_NVM_READ_NVM_READ_VALUE_CS_B (8L<<0) #define BNX2_NVM_READ_NVM_READ_VALUE_SO (16L<<0) #define BNX2_NVM_READ_NVM_READ_VALUE_SI (32L<<0) +#define BNX2_NVM_READ_NVM_READ_VALUE_SI_XI (1L<<0) +#define BNX2_NVM_READ_NVM_READ_VALUE_SO_XI (2L<<0) +#define BNX2_NVM_READ_NVM_READ_VALUE_CS_B_XI (4L<<0) +#define BNX2_NVM_READ_NVM_READ_VALUE_SCLK_XI (8L<<0) #define BNX2_NVM_CFG1 0x00006414 #define BNX2_NVM_CFG1_FLASH_MODE (1L<<0) @@ -1077,14 +1818,21 @@ struct l2_fhdr { #define BNX2_NVM_CFG1_STATUS_BIT_BUFFER_RDY (7L<<4) #define BNX2_NVM_CFG1_SPI_CLK_DIV (0xfL<<7) #define BNX2_NVM_CFG1_SEE_CLK_DIV (0x7ffL<<11) +#define BNX2_NVM_CFG1_STRAP_CONTROL_0 (1L<<23) #define BNX2_NVM_CFG1_PROTECT_MODE (1L<<24) #define BNX2_NVM_CFG1_FLASH_SIZE (1L<<25) +#define BNX2_NVM_CFG1_FW_USTRAP_1 (1L<<26) +#define BNX2_NVM_CFG1_FW_USTRAP_0 (1L<<27) +#define BNX2_NVM_CFG1_FW_USTRAP_2 (1L<<28) +#define BNX2_NVM_CFG1_FW_USTRAP_3 (1L<<29) +#define BNX2_NVM_CFG1_FW_FLASH_TYPE_EN (1L<<30) #define BNX2_NVM_CFG1_COMPAT_BYPASSS (1L<<31) #define BNX2_NVM_CFG2 0x00006418 #define BNX2_NVM_CFG2_ERASE_CMD (0xffL<<0) #define BNX2_NVM_CFG2_DUMMY (0xffL<<8) #define BNX2_NVM_CFG2_STATUS_CMD (0xffL<<16) +#define BNX2_NVM_CFG2_READ_ID (0xffL<<24) #define BNX2_NVM_CFG3 0x0000641c #define BNX2_NVM_CFG3_BUFFER_RD_CMD (0xffL<<0) @@ -1119,6 +1867,35 @@ struct l2_fhdr { #define BNX2_NVM_WRITE1_WRDI_CMD (0xffL<<8) #define BNX2_NVM_WRITE1_SR_DATA (0xffL<<16) +#define BNX2_NVM_CFG4 0x0000642c +#define BNX2_NVM_CFG4_FLASH_SIZE (0x7L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_1MBIT (0L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_2MBIT (1L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_4MBIT (2L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_8MBIT (3L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_16MBIT (4L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_32MBIT (5L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_64MBIT (6L<<0) +#define BNX2_NVM_CFG4_FLASH_SIZE_128MBIT (7L<<0) +#define BNX2_NVM_CFG4_FLASH_VENDOR (1L<<3) +#define BNX2_NVM_CFG4_FLASH_VENDOR_ST (0L<<3) +#define BNX2_NVM_CFG4_FLASH_VENDOR_ATMEL (1L<<3) +#define BNX2_NVM_CFG4_MODE_256_EMPTY_BIT_LOC (0x3L<<4) +#define BNX2_NVM_CFG4_MODE_256_EMPTY_BIT_LOC_BIT8 (0L<<4) +#define BNX2_NVM_CFG4_MODE_256_EMPTY_BIT_LOC_BIT9 (1L<<4) +#define BNX2_NVM_CFG4_MODE_256_EMPTY_BIT_LOC_BIT10 (2L<<4) +#define BNX2_NVM_CFG4_MODE_256_EMPTY_BIT_LOC_BIT11 (3L<<4) +#define BNX2_NVM_CFG4_STATUS_BIT_POLARITY (1L<<6) +#define BNX2_NVM_CFG4_RESERVED (0x1ffffffL<<7) + +#define BNX2_NVM_RECONFIG 0x00006430 +#define BNX2_NVM_RECONFIG_ORIG_STRAP_VALUE (0xfL<<0) +#define BNX2_NVM_RECONFIG_ORIG_STRAP_VALUE_ST (0L<<0) +#define BNX2_NVM_RECONFIG_ORIG_STRAP_VALUE_ATMEL (1L<<0) +#define BNX2_NVM_RECONFIG_RECONFIG_STRAP_VALUE (0xfL<<4) +#define BNX2_NVM_RECONFIG_RESERVED (0x7fffffL<<8) +#define BNX2_NVM_RECONFIG_RECONFIG_DONE (1L<<31) + /* @@ -1140,6 +1917,8 @@ struct l2_fhdr { #define BNX2_DMA_STATUS_BIG_WRITE_TRANSFERS_STAT (1L<<23) #define BNX2_DMA_STATUS_BIG_WRITE_DELAY_PCI_CLKS_STAT (1L<<24) #define BNX2_DMA_STATUS_BIG_WRITE_RETRY_AFTER_DATA_STAT (1L<<25) +#define BNX2_DMA_STATUS_GLOBAL_ERR_XI (1L<<0) +#define BNX2_DMA_STATUS_BME_XI (1L<<4) #define BNX2_DMA_CONFIG 0x00000c08 #define BNX2_DMA_CONFIG_DATA_BYTE_SWAP (1L<<0) @@ -1161,85 +1940,315 @@ struct l2_fhdr { #define BNX2_DMA_CONFIG_BIG_SIZE_128 (0x2L<<24) #define BNX2_DMA_CONFIG_BIG_SIZE_256 (0x4L<<24) #define BNX2_DMA_CONFIG_BIG_SIZE_512 (0x8L<<24) +#define BNX2_DMA_CONFIG_DAT_WBSWAP_MODE_XI (0x3L<<0) +#define BNX2_DMA_CONFIG_CTL_WBSWAP_MODE_XI (0x3L<<4) +#define BNX2_DMA_CONFIG_MAX_PL_XI (0x7L<<12) +#define BNX2_DMA_CONFIG_MAX_PL_128B_XI (0L<<12) +#define BNX2_DMA_CONFIG_MAX_PL_256B_XI (1L<<12) +#define BNX2_DMA_CONFIG_MAX_PL_512B_XI (2L<<12) +#define BNX2_DMA_CONFIG_MAX_PL_EN_XI (1L<<15) +#define BNX2_DMA_CONFIG_MAX_RRS_XI (0x7L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_128B_XI (0L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_256B_XI (1L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_512B_XI (2L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_1024B_XI (3L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_2048B_XI (4L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_4096B_XI (5L<<16) +#define BNX2_DMA_CONFIG_MAX_RRS_EN_XI (1L<<19) +#define BNX2_DMA_CONFIG_NO_64SWAP_EN_XI (1L<<31) #define BNX2_DMA_BLACKOUT 0x00000c0c #define BNX2_DMA_BLACKOUT_RD_RETRY_BLACKOUT (0xffL<<0) #define BNX2_DMA_BLACKOUT_2ND_RD_RETRY_BLACKOUT (0xffL<<8) #define BNX2_DMA_BLACKOUT_WR_RETRY_BLACKOUT (0xffL<<16) -#define BNX2_DMA_RCHAN_STAT 0x00000c30 -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_0 (0x7L<<0) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_0 (1L<<3) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_1 (0x7L<<4) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_1 (1L<<7) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_2 (0x7L<<8) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_2 (1L<<11) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_3 (0x7L<<12) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_3 (1L<<15) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_4 (0x7L<<16) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_4 (1L<<19) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_5 (0x7L<<20) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_5 (1L<<23) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_6 (0x7L<<24) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_6 (1L<<27) -#define BNX2_DMA_RCHAN_STAT_COMP_CODE_7 (0x7L<<28) -#define BNX2_DMA_RCHAN_STAT_PAR_ERR_7 (1L<<31) - -#define BNX2_DMA_WCHAN_STAT 0x00000c34 -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_0 (0x7L<<0) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_0 (1L<<3) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_1 (0x7L<<4) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_1 (1L<<7) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_2 (0x7L<<8) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_2 (1L<<11) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_3 (0x7L<<12) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_3 (1L<<15) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_4 (0x7L<<16) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_4 (1L<<19) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_5 (0x7L<<20) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_5 (1L<<23) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_6 (0x7L<<24) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_6 (1L<<27) -#define BNX2_DMA_WCHAN_STAT_COMP_CODE_7 (0x7L<<28) -#define BNX2_DMA_WCHAN_STAT_PAR_ERR_7 (1L<<31) - -#define BNX2_DMA_RCHAN_ASSIGNMENT 0x00000c38 -#define BNX2_DMA_RCHAN_ASSIGNMENT_0 (0xfL<<0) -#define BNX2_DMA_RCHAN_ASSIGNMENT_1 (0xfL<<4) -#define BNX2_DMA_RCHAN_ASSIGNMENT_2 (0xfL<<8) -#define BNX2_DMA_RCHAN_ASSIGNMENT_3 (0xfL<<12) -#define BNX2_DMA_RCHAN_ASSIGNMENT_4 (0xfL<<16) -#define BNX2_DMA_RCHAN_ASSIGNMENT_5 (0xfL<<20) -#define BNX2_DMA_RCHAN_ASSIGNMENT_6 (0xfL<<24) -#define BNX2_DMA_RCHAN_ASSIGNMENT_7 (0xfL<<28) - -#define BNX2_DMA_WCHAN_ASSIGNMENT 0x00000c3c -#define BNX2_DMA_WCHAN_ASSIGNMENT_0 (0xfL<<0) -#define BNX2_DMA_WCHAN_ASSIGNMENT_1 (0xfL<<4) -#define BNX2_DMA_WCHAN_ASSIGNMENT_2 (0xfL<<8) -#define BNX2_DMA_WCHAN_ASSIGNMENT_3 (0xfL<<12) -#define BNX2_DMA_WCHAN_ASSIGNMENT_4 (0xfL<<16) -#define BNX2_DMA_WCHAN_ASSIGNMENT_5 (0xfL<<20) -#define BNX2_DMA_WCHAN_ASSIGNMENT_6 (0xfL<<24) -#define BNX2_DMA_WCHAN_ASSIGNMENT_7 (0xfL<<28) - -#define BNX2_DMA_RCHAN_STAT_00 0x00000c40 -#define BNX2_DMA_RCHAN_STAT_00_RCHAN_STA_HOST_ADDR_LOW (0xffffffffL<<0) - -#define BNX2_DMA_RCHAN_STAT_01 0x00000c44 -#define BNX2_DMA_RCHAN_STAT_01_RCHAN_STA_HOST_ADDR_HIGH (0xffffffffL<<0) - -#define BNX2_DMA_RCHAN_STAT_02 0x00000c48 -#define BNX2_DMA_RCHAN_STAT_02_LENGTH (0xffffL<<0) -#define BNX2_DMA_RCHAN_STAT_02_WORD_SWAP (1L<<16) -#define BNX2_DMA_RCHAN_STAT_02_BYTE_SWAP (1L<<17) -#define BNX2_DMA_RCHAN_STAT_02_PRIORITY_LVL (1L<<18) - -#define BNX2_DMA_RCHAN_STAT_10 0x00000c4c -#define BNX2_DMA_RCHAN_STAT_11 0x00000c50 -#define BNX2_DMA_RCHAN_STAT_12 0x00000c54 -#define BNX2_DMA_RCHAN_STAT_20 0x00000c58 -#define BNX2_DMA_RCHAN_STAT_21 0x00000c5c +#define BNX2_DMA_READ_MASTER_SETTING_0 0x00000c10 +#define BNX2_DMA_READ_MASTER_SETTING_0_TBDC_NO_SNOOP (1L<<0) +#define BNX2_DMA_READ_MASTER_SETTING_0_TBDC_RELAX_ORDER (1L<<1) +#define BNX2_DMA_READ_MASTER_SETTING_0_TBDC_PRIORITY (1L<<2) +#define BNX2_DMA_READ_MASTER_SETTING_0_TBDC_TRAFFIC_CLASS (0x7L<<4) +#define BNX2_DMA_READ_MASTER_SETTING_0_TBDC_PARAM_EN (1L<<7) +#define BNX2_DMA_READ_MASTER_SETTING_0_RBDC_NO_SNOOP (1L<<8) +#define BNX2_DMA_READ_MASTER_SETTING_0_RBDC_RELAX_ORDER (1L<<9) +#define BNX2_DMA_READ_MASTER_SETTING_0_RBDC_PRIORITY (1L<<10) +#define BNX2_DMA_READ_MASTER_SETTING_0_RBDC_TRAFFIC_CLASS (0x7L<<12) +#define BNX2_DMA_READ_MASTER_SETTING_0_RBDC_PARAM_EN (1L<<15) +#define BNX2_DMA_READ_MASTER_SETTING_0_TDMA_NO_SNOOP (1L<<16) +#define BNX2_DMA_READ_MASTER_SETTING_0_TDMA_RELAX_ORDER (1L<<17) +#define BNX2_DMA_READ_MASTER_SETTING_0_TDMA_PRIORITY (1L<<18) +#define BNX2_DMA_READ_MASTER_SETTING_0_TDMA_TRAFFIC_CLASS (0x7L<<20) +#define BNX2_DMA_READ_MASTER_SETTING_0_TDMA_PARAM_EN (1L<<23) +#define BNX2_DMA_READ_MASTER_SETTING_0_CTX_NO_SNOOP (1L<<24) +#define BNX2_DMA_READ_MASTER_SETTING_0_CTX_RELAX_ORDER (1L<<25) +#define BNX2_DMA_READ_MASTER_SETTING_0_CTX_PRIORITY (1L<<26) +#define BNX2_DMA_READ_MASTER_SETTING_0_CTX_TRAFFIC_CLASS (0x7L<<28) +#define BNX2_DMA_READ_MASTER_SETTING_0_CTX_PARAM_EN (1L<<31) + +#define BNX2_DMA_READ_MASTER_SETTING_1 0x00000c14 +#define BNX2_DMA_READ_MASTER_SETTING_1_COM_NO_SNOOP (1L<<0) +#define BNX2_DMA_READ_MASTER_SETTING_1_COM_RELAX_ORDER (1L<<1) +#define BNX2_DMA_READ_MASTER_SETTING_1_COM_PRIORITY (1L<<2) +#define BNX2_DMA_READ_MASTER_SETTING_1_COM_TRAFFIC_CLASS (0x7L<<4) +#define BNX2_DMA_READ_MASTER_SETTING_1_COM_PARAM_EN (1L<<7) +#define BNX2_DMA_READ_MASTER_SETTING_1_CP_NO_SNOOP (1L<<8) +#define BNX2_DMA_READ_MASTER_SETTING_1_CP_RELAX_ORDER (1L<<9) +#define BNX2_DMA_READ_MASTER_SETTING_1_CP_PRIORITY (1L<<10) +#define BNX2_DMA_READ_MASTER_SETTING_1_CP_TRAFFIC_CLASS (0x7L<<12) +#define BNX2_DMA_READ_MASTER_SETTING_1_CP_PARAM_EN (1L<<15) + +#define BNX2_DMA_WRITE_MASTER_SETTING_0 0x00000c18 +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_NO_SNOOP (1L<<0) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_RELAX_ORDER (1L<<1) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_PRIORITY (1L<<2) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_CS_VLD (1L<<3) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_TRAFFIC_CLASS (0x7L<<4) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_HC_PARAM_EN (1L<<7) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_NO_SNOOP (1L<<8) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_RELAX_ORDER (1L<<9) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_PRIORITY (1L<<10) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_CS_VLD (1L<<11) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_TRAFFIC_CLASS (0x7L<<12) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_RDMA_PARAM_EN (1L<<15) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_NO_SNOOP (1L<<24) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_RELAX_ORDER (1L<<25) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_PRIORITY (1L<<26) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_CS_VLD (1L<<27) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_TRAFFIC_CLASS (0x7L<<28) +#define BNX2_DMA_WRITE_MASTER_SETTING_0_CTX_PARAM_EN (1L<<31) + +#define BNX2_DMA_WRITE_MASTER_SETTING_1 0x00000c1c +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_NO_SNOOP (1L<<0) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_RELAX_ORDER (1L<<1) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_PRIORITY (1L<<2) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_CS_VLD (1L<<3) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_TRAFFIC_CLASS (0x7L<<4) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_COM_PARAM_EN (1L<<7) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_NO_SNOOP (1L<<8) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_RELAX_ORDER (1L<<9) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_PRIORITY (1L<<10) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_CS_VLD (1L<<11) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_TRAFFIC_CLASS (0x7L<<12) +#define BNX2_DMA_WRITE_MASTER_SETTING_1_CP_PARAM_EN (1L<<15) + +#define BNX2_DMA_ARBITER 0x00000c20 +#define BNX2_DMA_ARBITER_NUM_READS (0x7L<<0) +#define BNX2_DMA_ARBITER_WR_ARB_MODE (1L<<4) +#define BNX2_DMA_ARBITER_WR_ARB_MODE_STRICT (0L<<4) +#define BNX2_DMA_ARBITER_WR_ARB_MODE_RND_RBN (1L<<4) +#define BNX2_DMA_ARBITER_RD_ARB_MODE (0x3L<<5) +#define BNX2_DMA_ARBITER_RD_ARB_MODE_STRICT (0L<<5) +#define BNX2_DMA_ARBITER_RD_ARB_MODE_RND_RBN (1L<<5) +#define BNX2_DMA_ARBITER_RD_ARB_MODE_WGT_RND_RBN (2L<<5) +#define BNX2_DMA_ARBITER_ALT_MODE_EN (1L<<8) +#define BNX2_DMA_ARBITER_RR_MODE (1L<<9) +#define BNX2_DMA_ARBITER_TIMER_MODE (1L<<10) +#define BNX2_DMA_ARBITER_OUSTD_READ_REQ (0xfL<<12) + +#define BNX2_DMA_ARB_TIMERS 0x00000c24 +#define BNX2_DMA_ARB_TIMERS_RD_DRR_WAIT_TIME (0xffL<<0) +#define BNX2_DMA_ARB_TIMERS_TM_MIN_TIMEOUT (0xffL<<12) +#define BNX2_DMA_ARB_TIMERS_TM_MAX_TIMEOUT (0xfffL<<20) + +#define BNX2_DMA_DEBUG_VECT_PEEK 0x00000c2c +#define BNX2_DMA_DEBUG_VECT_PEEK_1_VALUE (0x7ffL<<0) +#define BNX2_DMA_DEBUG_VECT_PEEK_1_PEEK_EN (1L<<11) +#define BNX2_DMA_DEBUG_VECT_PEEK_1_SEL (0xfL<<12) +#define BNX2_DMA_DEBUG_VECT_PEEK_2_VALUE (0x7ffL<<16) +#define BNX2_DMA_DEBUG_VECT_PEEK_2_PEEK_EN (1L<<27) +#define BNX2_DMA_DEBUG_VECT_PEEK_2_SEL (0xfL<<28) + +#define BNX2_DMA_TAG_RAM_00 0x00000c30 +#define BNX2_DMA_TAG_RAM_00_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_00_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_00_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_00_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_00_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_00_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_00_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_00_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_00_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_01 0x00000c34 +#define BNX2_DMA_TAG_RAM_01_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_01_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_01_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_01_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_01_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_01_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_01_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_01_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_01_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_02 0x00000c38 +#define BNX2_DMA_TAG_RAM_02_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_02_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_02_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_02_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_02_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_02_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_02_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_02_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_02_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_03 0x00000c3c +#define BNX2_DMA_TAG_RAM_03_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_03_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_03_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_03_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_03_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_03_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_03_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_03_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_03_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_04 0x00000c40 +#define BNX2_DMA_TAG_RAM_04_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_04_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_04_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_04_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_04_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_04_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_04_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_04_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_04_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_05 0x00000c44 +#define BNX2_DMA_TAG_RAM_05_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_05_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_05_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_05_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_05_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_05_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_05_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_05_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_05_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_06 0x00000c48 +#define BNX2_DMA_TAG_RAM_06_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_06_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_06_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_06_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_06_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_06_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_06_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_06_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_06_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_07 0x00000c4c +#define BNX2_DMA_TAG_RAM_07_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_07_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_07_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_07_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_07_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_07_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_07_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_07_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_07_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_08 0x00000c50 +#define BNX2_DMA_TAG_RAM_08_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_08_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_08_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_08_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_08_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_08_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_08_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_08_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_08_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_09 0x00000c54 +#define BNX2_DMA_TAG_RAM_09_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_09_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_09_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_09_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_09_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_09_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_09_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_09_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_09_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_10 0x00000c58 +#define BNX2_DMA_TAG_RAM_10_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_10_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_10_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_10_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_10_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_10_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_10_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_10_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_10_VALID (1L<<10) + +#define BNX2_DMA_TAG_RAM_11 0x00000c5c +#define BNX2_DMA_TAG_RAM_11_CHANNEL (0xfL<<0) +#define BNX2_DMA_TAG_RAM_11_MASTER (0x7L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_CTX (0L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_RBDC (1L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_TBDC (2L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_COM (3L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_CP (4L<<4) +#define BNX2_DMA_TAG_RAM_11_MASTER_TDMA (5L<<4) +#define BNX2_DMA_TAG_RAM_11_SWAP (0x3L<<7) +#define BNX2_DMA_TAG_RAM_11_SWAP_CONFIG (0L<<7) +#define BNX2_DMA_TAG_RAM_11_SWAP_DATA (1L<<7) +#define BNX2_DMA_TAG_RAM_11_SWAP_CONTROL (2L<<7) +#define BNX2_DMA_TAG_RAM_11_FUNCTION (1L<<9) +#define BNX2_DMA_TAG_RAM_11_VALID (1L<<10) + #define BNX2_DMA_RCHAN_STAT_22 0x00000c60 #define BNX2_DMA_RCHAN_STAT_30 0x00000c64 #define BNX2_DMA_RCHAN_STAT_31 0x00000c68 @@ -1336,6 +2345,25 @@ struct l2_fhdr { */ #define BNX2_CTX_COMMAND 0x00001000 #define BNX2_CTX_COMMAND_ENABLED (1L<<0) +#define BNX2_CTX_COMMAND_DISABLE_USAGE_CNT (1L<<1) +#define BNX2_CTX_COMMAND_DISABLE_PLRU (1L<<2) +#define BNX2_CTX_COMMAND_DISABLE_COMBINE_READ (1L<<3) +#define BNX2_CTX_COMMAND_FLUSH_AHEAD (0x1fL<<8) +#define BNX2_CTX_COMMAND_MEM_INIT (1L<<13) +#define BNX2_CTX_COMMAND_PAGE_SIZE (0xfL<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_256 (0L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_512 (1L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_1K (2L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_2K (3L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_4K (4L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_8K (5L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_16K (6L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_32K (7L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_64K (8L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_128K (9L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_256K (10L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_512K (11L<<16) +#define BNX2_CTX_COMMAND_PAGE_SIZE_1M (12L<<16) #define BNX2_CTX_STATUS 0x00001004 #define BNX2_CTX_STATUS_LOCK_WAIT (1L<<0) @@ -1343,6 +2371,13 @@ struct l2_fhdr { #define BNX2_CTX_STATUS_WRITE_STAT (1L<<17) #define BNX2_CTX_STATUS_ACC_STALL_STAT (1L<<18) #define BNX2_CTX_STATUS_LOCK_STALL_STAT (1L<<19) +#define BNX2_CTX_STATUS_EXT_READ_STAT (1L<<20) +#define BNX2_CTX_STATUS_EXT_WRITE_STAT (1L<<21) +#define BNX2_CTX_STATUS_MISS_STAT (1L<<22) +#define BNX2_CTX_STATUS_HIT_STAT (1L<<23) +#define BNX2_CTX_STATUS_DEAD_LOCK (1L<<24) +#define BNX2_CTX_STATUS_USAGE_CNT_ERR (1L<<25) +#define BNX2_CTX_STATUS_INVALID_PAGE (1L<<26) #define BNX2_CTX_VIRT_ADDR 0x00001008 #define BNX2_CTX_VIRT_ADDR_VIRT_ADDR (0x7fffL<<6) @@ -1357,10 +2392,15 @@ struct l2_fhdr { #define BNX2_CTX_LOCK 0x00001018 #define BNX2_CTX_LOCK_TYPE (0x7L<<0) #define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_VOID (0x0L<<0) -#define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_COMPLETE (0x7L<<0) #define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_PROTOCOL (0x1L<<0) #define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_TX (0x2L<<0) #define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_TIMER (0x4L<<0) +#define BNX2_CTX_LOCK_TYPE_LOCK_TYPE_COMPLETE (0x7L<<0) +#define BNX2_CTX_LOCK_TYPE_VOID_XI (0L<<0) +#define BNX2_CTX_LOCK_TYPE_PROTOCOL_XI (1L<<0) +#define BNX2_CTX_LOCK_TYPE_TX_XI (2L<<0) +#define BNX2_CTX_LOCK_TYPE_TIMER_XI (4L<<0) +#define BNX2_CTX_LOCK_TYPE_COMPLETE_XI (7L<<0) #define BNX2_CTX_LOCK_CID_VALUE (0x3fffL<<7) #define BNX2_CTX_LOCK_GRANTED (1L<<26) #define BNX2_CTX_LOCK_MODE (0x7L<<27) @@ -1370,21 +2410,89 @@ struct l2_fhdr { #define BNX2_CTX_LOCK_STATUS (1L<<30) #define BNX2_CTX_LOCK_REQ (1L<<31) +#define BNX2_CTX_CTX_CTRL 0x0000101c +#define BNX2_CTX_CTX_CTRL_CTX_ADDR (0x7ffffL<<2) +#define BNX2_CTX_CTX_CTRL_MOD_USAGE_CNT (0x3L<<21) +#define BNX2_CTX_CTX_CTRL_NO_RAM_ACC (1L<<23) +#define BNX2_CTX_CTX_CTRL_PREFETCH_SIZE (0x3L<<24) +#define BNX2_CTX_CTX_CTRL_ATTR (1L<<26) +#define BNX2_CTX_CTX_CTRL_WRITE_REQ (1L<<30) +#define BNX2_CTX_CTX_CTRL_READ_REQ (1L<<31) + +#define BNX2_CTX_CTX_DATA 0x00001020 #define BNX2_CTX_ACCESS_STATUS 0x00001040 #define BNX2_CTX_ACCESS_STATUS_MASTERENCODED (0xfL<<0) #define BNX2_CTX_ACCESS_STATUS_ACCESSMEMORYSM (0x3L<<10) #define BNX2_CTX_ACCESS_STATUS_PAGETABLEINITSM (0x3L<<12) #define BNX2_CTX_ACCESS_STATUS_ACCESSMEMORYINITSM (0x3L<<14) #define BNX2_CTX_ACCESS_STATUS_QUALIFIED_REQUEST (0x7ffL<<17) +#define BNX2_CTX_ACCESS_STATUS_CAMMASTERENCODED_XI (0x1fL<<0) +#define BNX2_CTX_ACCESS_STATUS_CACHEMASTERENCODED_XI (0x1fL<<5) +#define BNX2_CTX_ACCESS_STATUS_REQUEST_XI (0x3fffffL<<10) #define BNX2_CTX_DBG_LOCK_STATUS 0x00001044 #define BNX2_CTX_DBG_LOCK_STATUS_SM (0x3ffL<<0) #define BNX2_CTX_DBG_LOCK_STATUS_MATCH (0x3ffL<<22) +#define BNX2_CTX_CACHE_CTRL_STATUS 0x00001048 +#define BNX2_CTX_CACHE_CTRL_STATUS_RFIFO_OVERFLOW (1L<<0) +#define BNX2_CTX_CACHE_CTRL_STATUS_INVALID_READ_COMP (1L<<1) +#define BNX2_CTX_CACHE_CTRL_STATUS_FLUSH_START (1L<<6) +#define BNX2_CTX_CACHE_CTRL_STATUS_FREE_ENTRY_CNT (0x3fL<<7) +#define BNX2_CTX_CACHE_CTRL_STATUS_CACHE_ENTRY_NEEDED (0x3fL<<13) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN0_ACTIVE (1L<<19) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN1_ACTIVE (1L<<20) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN2_ACTIVE (1L<<21) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN3_ACTIVE (1L<<22) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN4_ACTIVE (1L<<23) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN5_ACTIVE (1L<<24) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN6_ACTIVE (1L<<25) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN7_ACTIVE (1L<<26) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN8_ACTIVE (1L<<27) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN9_ACTIVE (1L<<28) +#define BNX2_CTX_CACHE_CTRL_STATUS_RD_CHAN10_ACTIVE (1L<<29) + +#define BNX2_CTX_CACHE_CTRL_SM_STATUS 0x0000104c +#define BNX2_CTX_CACHE_CTRL_SM_STATUS_CS_DWC (0x7L<<0) +#define BNX2_CTX_CACHE_CTRL_SM_STATUS_CS_WFIFOC (0x7L<<3) +#define BNX2_CTX_CACHE_CTRL_SM_STATUS_CS_RTAGC (0x7L<<6) +#define BNX2_CTX_CACHE_CTRL_SM_STATUS_CS_RFIFOC (0x7L<<9) +#define BNX2_CTX_CACHE_CTRL_SM_STATUS_INVALID_BLK_ADDR (0x7fffL<<16) + +#define BNX2_CTX_CACHE_STATUS 0x00001050 +#define BNX2_CTX_CACHE_STATUS_HELD_ENTRIES (0x3ffL<<0) +#define BNX2_CTX_CACHE_STATUS_MAX_HELD_ENTRIES (0x3ffL<<16) + +#define BNX2_CTX_DMA_STATUS 0x00001054 +#define BNX2_CTX_DMA_STATUS_RD_CHAN0_STATUS (0x3L<<0) +#define BNX2_CTX_DMA_STATUS_RD_CHAN1_STATUS (0x3L<<2) +#define BNX2_CTX_DMA_STATUS_RD_CHAN2_STATUS (0x3L<<4) +#define BNX2_CTX_DMA_STATUS_RD_CHAN3_STATUS (0x3L<<6) +#define BNX2_CTX_DMA_STATUS_RD_CHAN4_STATUS (0x3L<<8) +#define BNX2_CTX_DMA_STATUS_RD_CHAN5_STATUS (0x3L<<10) +#define BNX2_CTX_DMA_STATUS_RD_CHAN6_STATUS (0x3L<<12) +#define BNX2_CTX_DMA_STATUS_RD_CHAN7_STATUS (0x3L<<14) +#define BNX2_CTX_DMA_STATUS_RD_CHAN8_STATUS (0x3L<<16) +#define BNX2_CTX_DMA_STATUS_RD_CHAN9_STATUS (0x3L<<18) +#define BNX2_CTX_DMA_STATUS_RD_CHAN10_STATUS (0x3L<<20) + +#define BNX2_CTX_REP_STATUS 0x00001058 +#define BNX2_CTX_REP_STATUS_ERROR_ENTRY (0x3ffL<<0) +#define BNX2_CTX_REP_STATUS_ERROR_CLIENT_ID (0x1fL<<10) +#define BNX2_CTX_REP_STATUS_USAGE_CNT_MAX_ERR (1L<<16) +#define BNX2_CTX_REP_STATUS_USAGE_CNT_MIN_ERR (1L<<17) +#define BNX2_CTX_REP_STATUS_USAGE_CNT_MISS_ERR (1L<<18) + +#define BNX2_CTX_CKSUM_ERROR_STATUS 0x0000105c +#define BNX2_CTX_CKSUM_ERROR_STATUS_CALCULATED (0xffffL<<0) +#define BNX2_CTX_CKSUM_ERROR_STATUS_EXPECTED (0xffffL<<16) + #define BNX2_CTX_CHNL_LOCK_STATUS_0 0x00001080 #define BNX2_CTX_CHNL_LOCK_STATUS_0_CID (0x3fffL<<0) #define BNX2_CTX_CHNL_LOCK_STATUS_0_TYPE (0x3L<<14) #define BNX2_CTX_CHNL_LOCK_STATUS_0_MODE (1L<<16) +#define BNX2_CTX_CHNL_LOCK_STATUS_0_MODE_XI (1L<<14) +#define BNX2_CTX_CHNL_LOCK_STATUS_0_TYPE_XI (0x7L<<15) #define BNX2_CTX_CHNL_LOCK_STATUS_1 0x00001084 #define BNX2_CTX_CHNL_LOCK_STATUS_2 0x00001088 @@ -1394,6 +2502,26 @@ struct l2_fhdr { #define BNX2_CTX_CHNL_LOCK_STATUS_6 0x00001098 #define BNX2_CTX_CHNL_LOCK_STATUS_7 0x0000109c #define BNX2_CTX_CHNL_LOCK_STATUS_8 0x000010a0 +#define BNX2_CTX_CHNL_LOCK_STATUS_9 0x000010a4 + +#define BNX2_CTX_CACHE_DATA 0x000010c4 +#define BNX2_CTX_HOST_PAGE_TBL_CTRL 0x000010c8 +#define BNX2_CTX_HOST_PAGE_TBL_CTRL_PAGE_TBL_ADDR (0x1ffL<<0) +#define BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ (1L<<30) +#define BNX2_CTX_HOST_PAGE_TBL_CTRL_READ_REQ (1L<<31) + +#define BNX2_CTX_HOST_PAGE_TBL_DATA0 0x000010cc +#define BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID (1L<<0) +#define BNX2_CTX_HOST_PAGE_TBL_DATA0_VALUE (0xffffffL<<8) + +#define BNX2_CTX_HOST_PAGE_TBL_DATA1 0x000010d0 +#define BNX2_CTX_CAM_CTRL 0x000010d4 +#define BNX2_CTX_CAM_CTRL_CAM_ADDR (0x3ffL<<0) +#define BNX2_CTX_CAM_CTRL_RESET (1L<<27) +#define BNX2_CTX_CAM_CTRL_INVALIDATE (1L<<28) +#define BNX2_CTX_CAM_CTRL_SEARCH (1L<<29) +#define BNX2_CTX_CAM_CTRL_WRITE_REQ (1L<<30) +#define BNX2_CTX_CAM_CTRL_READ_REQ (1L<<31) /* @@ -1407,14 +2535,16 @@ struct l2_fhdr { #define BNX2_EMAC_MODE_PORT_NONE (0L<<2) #define BNX2_EMAC_MODE_PORT_MII (1L<<2) #define BNX2_EMAC_MODE_PORT_GMII (2L<<2) -#define BNX2_EMAC_MODE_PORT_MII_10 (3L<<2) +#define BNX2_EMAC_MODE_PORT_MII_10M (3L<<2) #define BNX2_EMAC_MODE_MAC_LOOP (1L<<4) -#define BNX2_EMAC_MODE_25G (1L<<5) +#define BNX2_EMAC_MODE_25G_MODE (1L<<5) #define BNX2_EMAC_MODE_TAGGED_MAC_CTL (1L<<7) #define BNX2_EMAC_MODE_TX_BURST (1L<<8) #define BNX2_EMAC_MODE_MAX_DEFER_DROP_ENA (1L<<9) #define BNX2_EMAC_MODE_EXT_LINK_POL (1L<<10) #define BNX2_EMAC_MODE_FORCE_LINK (1L<<11) +#define BNX2_EMAC_MODE_SERDES_MODE (1L<<12) +#define BNX2_EMAC_MODE_BOND_OVRD (1L<<13) #define BNX2_EMAC_MODE_MPKT (1L<<18) #define BNX2_EMAC_MODE_MPKT_RCVD (1L<<19) #define BNX2_EMAC_MODE_ACPI_RCVD (1L<<20) @@ -1422,6 +2552,11 @@ struct l2_fhdr { #define BNX2_EMAC_STATUS 0x00001404 #define BNX2_EMAC_STATUS_LINK (1L<<11) #define BNX2_EMAC_STATUS_LINK_CHANGE (1L<<12) +#define BNX2_EMAC_STATUS_SERDES_AUTONEG_COMPLETE (1L<<13) +#define BNX2_EMAC_STATUS_SERDES_AUTONEG_CHANGE (1L<<14) +#define BNX2_EMAC_STATUS_SERDES_NXT_PG_CHANGE (1L<<16) +#define BNX2_EMAC_STATUS_SERDES_RX_CONFIG_IS_0 (1L<<17) +#define BNX2_EMAC_STATUS_SERDES_RX_CONFIG_IS_0_CHANGE (1L<<18) #define BNX2_EMAC_STATUS_MI_COMPLETE (1L<<22) #define BNX2_EMAC_STATUS_MI_INT (1L<<23) #define BNX2_EMAC_STATUS_AP_ERROR (1L<<24) @@ -1429,6 +2564,9 @@ struct l2_fhdr { #define BNX2_EMAC_ATTENTION_ENA 0x00001408 #define BNX2_EMAC_ATTENTION_ENA_LINK (1L<<11) +#define BNX2_EMAC_ATTENTION_ENA_AUTONEG_CHANGE (1L<<14) +#define BNX2_EMAC_ATTENTION_ENA_NXT_PG_CHANGE (1L<<16) +#define BNX2_EMAC_ATTENTION_ENA_SERDES_RX_CONFIG_IS_0_CHANGE (1L<<18) #define BNX2_EMAC_ATTENTION_ENA_MI_COMPLETE (1L<<22) #define BNX2_EMAC_ATTENTION_ENA_MI_INT (1L<<23) #define BNX2_EMAC_ATTENTION_ENA_AP_ERROR (1L<<24) @@ -1445,6 +2583,13 @@ struct l2_fhdr { #define BNX2_EMAC_LED_100MB (1L<<8) #define BNX2_EMAC_LED_10MB (1L<<9) #define BNX2_EMAC_LED_TRAFFIC_STAT (1L<<10) +#define BNX2_EMAC_LED_2500MB (1L<<11) +#define BNX2_EMAC_LED_2500MB_OVERRIDE (1L<<12) +#define BNX2_EMAC_LED_ACTIVITY_SEL (0x3L<<17) +#define BNX2_EMAC_LED_ACTIVITY_SEL_0 (0L<<17) +#define BNX2_EMAC_LED_ACTIVITY_SEL_1 (1L<<17) +#define BNX2_EMAC_LED_ACTIVITY_SEL_2 (2L<<17) +#define BNX2_EMAC_LED_ACTIVITY_SEL_3 (3L<<17) #define BNX2_EMAC_LED_BLNK_RATE (0xfffL<<19) #define BNX2_EMAC_LED_BLNK_RATE_ENA (1L<<31) @@ -1515,9 +2660,15 @@ struct l2_fhdr { #define BNX2_EMAC_MDIO_COMM_PHY_ADDR (0x1fL<<21) #define BNX2_EMAC_MDIO_COMM_COMMAND (0x3L<<26) #define BNX2_EMAC_MDIO_COMM_COMMAND_UNDEFINED_0 (0L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_ADDRESS (0L<<26) #define BNX2_EMAC_MDIO_COMM_COMMAND_WRITE (1L<<26) #define BNX2_EMAC_MDIO_COMM_COMMAND_READ (2L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_WRITE_22_XI (1L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_WRITE_45_XI (1L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_READ_22_XI (2L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_READ_INC_45_XI (2L<<26) #define BNX2_EMAC_MDIO_COMM_COMMAND_UNDEFINED_3 (3L<<26) +#define BNX2_EMAC_MDIO_COMM_COMMAND_READ_45 (3L<<26) #define BNX2_EMAC_MDIO_COMM_FAIL (1L<<28) #define BNX2_EMAC_MDIO_COMM_START_BUSY (1L<<29) #define BNX2_EMAC_MDIO_COMM_DISEXT (1L<<30) @@ -1534,13 +2685,17 @@ struct l2_fhdr { #define BNX2_EMAC_MDIO_MODE_MDIO_OE (1L<<10) #define BNX2_EMAC_MDIO_MODE_MDC (1L<<11) #define BNX2_EMAC_MDIO_MODE_MDINT (1L<<12) +#define BNX2_EMAC_MDIO_MODE_EXT_MDINT (1L<<13) #define BNX2_EMAC_MDIO_MODE_CLOCK_CNT (0x1fL<<16) +#define BNX2_EMAC_MDIO_MODE_CLOCK_CNT_XI (0x3fL<<16) +#define BNX2_EMAC_MDIO_MODE_CLAUSE_45_XI (1L<<31) #define BNX2_EMAC_MDIO_AUTO_STATUS 0x000014b8 #define BNX2_EMAC_MDIO_AUTO_STATUS_AUTO_ERR (1L<<0) #define BNX2_EMAC_TX_MODE 0x000014bc #define BNX2_EMAC_TX_MODE_RESET (1L<<0) +#define BNX2_EMAC_TX_MODE_CS16_TEST (1L<<2) #define BNX2_EMAC_TX_MODE_EXT_PAUSE_EN (1L<<3) #define BNX2_EMAC_TX_MODE_FLOW_EN (1L<<4) #define BNX2_EMAC_TX_MODE_BIG_BACKOFF (1L<<5) @@ -1553,6 +2708,7 @@ struct l2_fhdr { #define BNX2_EMAC_TX_STATUS_XON_SENT (1L<<2) #define BNX2_EMAC_TX_STATUS_LINK_UP (1L<<3) #define BNX2_EMAC_TX_STATUS_UNDERRUN (1L<<4) +#define BNX2_EMAC_TX_STATUS_CS16_ERROR (1L<<5) #define BNX2_EMAC_TX_LENGTHS 0x000014c4 #define BNX2_EMAC_TX_LENGTHS_SLOT (0xffL<<0) @@ -1586,6 +2742,10 @@ struct l2_fhdr { #define BNX2_EMAC_MULTICAST_HASH5 0x000014e4 #define BNX2_EMAC_MULTICAST_HASH6 0x000014e8 #define BNX2_EMAC_MULTICAST_HASH7 0x000014ec +#define BNX2_EMAC_CKSUM_ERROR_STATUS 0x000014f0 +#define BNX2_EMAC_CKSUM_ERROR_STATUS_CALCULATED (0xffffL<<0) +#define BNX2_EMAC_CKSUM_ERROR_STATUS_EXPECTED (0xffffL<<16) + #define BNX2_EMAC_RX_STAT_IFHCINOCTETS 0x00001500 #define BNX2_EMAC_RX_STAT_IFHCINBADOCTETS 0x00001504 #define BNX2_EMAC_RX_STAT_ETHERSTATSFRAGMENTS 0x00001508 @@ -1608,7 +2768,7 @@ struct l2_fhdr { #define BNX2_EMAC_RX_STAT_ETHERSTATSPKTS256OCTETSTO511OCTETS 0x0000154c #define BNX2_EMAC_RX_STAT_ETHERSTATSPKTS512OCTETSTO1023OCTETS 0x00001550 #define BNX2_EMAC_RX_STAT_ETHERSTATSPKTS1024OCTETSTO1522OCTETS 0x00001554 -#define BNX2_EMAC_RX_STAT_ETHERSTATSPKTS1523OCTETSTO9022OCTETS 0x00001558 +#define BNX2_EMAC_RX_STAT_ETHERSTATSPKTSOVER1522OCTETS 0x00001558 #define BNX2_EMAC_RXMAC_DEBUG0 0x0000155c #define BNX2_EMAC_RXMAC_DEBUG1 0x00001560 #define BNX2_EMAC_RXMAC_DEBUG1_LENGTH_NE_BYTE_COUNT (1L<<0) @@ -1661,9 +2821,9 @@ struct l2_fhdr { #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_UMAC2 (0x1L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_UMAC3 (0x2L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_UNI (0x3L<<16) -#define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_MMAC2 (0x7L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_MMAC3 (0x5L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_PSA1 (0x6L<<16) +#define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_MMAC2 (0x7L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_PSA2 (0x7L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_PSA3 (0x8L<<16) #define BNX2_EMAC_RXMAC_DEBUG4_FILT_STATE_MC2 (0x9L<<16) @@ -1701,7 +2861,7 @@ struct l2_fhdr { #define BNX2_EMAC_RXMAC_DEBUG4_SLOT_FILLED (1L<<23) #define BNX2_EMAC_RXMAC_DEBUG4_FALSE_CARRIER (1L<<24) #define BNX2_EMAC_RXMAC_DEBUG4_LAST_DATA (1L<<25) -#define BNX2_EMAC_RXMAC_DEBUG4_sfd_FOUND (1L<<26) +#define BNX2_EMAC_RXMAC_DEBUG4_SFD_FOUND (1L<<26) #define BNX2_EMAC_RXMAC_DEBUG4_ADVANCE (1L<<27) #define BNX2_EMAC_RXMAC_DEBUG4_START (1L<<28) @@ -1733,6 +2893,7 @@ struct l2_fhdr { #define BNX2_EMAC_RXMAC_DEBUG5_IDI_RPM_ACCEPT (1L<<19) #define BNX2_EMAC_RXMAC_DEBUG5_FMLEN (0xfffL<<20) +#define BNX2_EMAC_RX_STAT_FALSECARRIERERRORS 0x00001574 #define BNX2_EMAC_RX_STAT_AC0 0x00001580 #define BNX2_EMAC_RX_STAT_AC1 0x00001584 #define BNX2_EMAC_RX_STAT_AC2 0x00001588 @@ -1757,6 +2918,7 @@ struct l2_fhdr { #define BNX2_EMAC_RX_STAT_AC21 0x000015d4 #define BNX2_EMAC_RX_STAT_AC22 0x000015d8 #define BNX2_EMAC_RXMAC_SUC_DBG_OVERRUNVEC 0x000015dc +#define BNX2_EMAC_RX_STAT_AC_28 0x000015f4 #define BNX2_EMAC_TX_STAT_IFHCOUTOCTETS 0x00001600 #define BNX2_EMAC_TX_STAT_IFHCOUTBADOCTETS 0x00001604 #define BNX2_EMAC_TX_STAT_ETHERSTATSCOLLISIONS 0x00001608 @@ -1777,7 +2939,7 @@ struct l2_fhdr { #define BNX2_EMAC_TX_STAT_ETHERSTATSPKTS256OCTETSTO511OCTETS 0x00001644 #define BNX2_EMAC_TX_STAT_ETHERSTATSPKTS512OCTETSTO1023OCTETS 0x00001648 #define BNX2_EMAC_TX_STAT_ETHERSTATSPKTS1024OCTETSTO1522OCTETS 0x0000164c -#define BNX2_EMAC_TX_STAT_ETHERSTATSPKTS1523OCTETSTO9022OCTETS 0x00001650 +#define BNX2_EMAC_TX_STAT_ETHERSTATSPKTSOVER1522OCTETS 0x00001650 #define BNX2_EMAC_TX_STAT_DOT3STATSINTERNALMACTRANSMITERRORS 0x00001654 #define BNX2_EMAC_TXMAC_DEBUG0 0x00001658 #define BNX2_EMAC_TXMAC_DEBUG1 0x0000165c @@ -1843,16 +3005,16 @@ struct l2_fhdr { #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_IDLE (0x0L<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_MCA1 (0x2L<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_MCA2 (0x3L<<16) +#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_SRC3 (0x4L<<16) +#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_SRC2 (0x5L<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_MCA3 (0x6L<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_SRC1 (0x7L<<16) -#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_SRC2 (0x5L<<16) -#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_SRC3 (0x4L<<16) -#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_TYPE (0xcL<<16) -#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_CMD (0xeL<<16) -#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_TIME (0xaL<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_CRC1 (0x8L<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_CRC2 (0x9L<<16) +#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_TIME (0xaL<<16) +#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_TYPE (0xcL<<16) #define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_WAIT (0xdL<<16) +#define BNX2_EMAC_TXMAC_DEBUG4_PAUSE_STATE_CMD (0xeL<<16) #define BNX2_EMAC_TXMAC_DEBUG4_STATS0_VALID (1L<<20) #define BNX2_EMAC_TXMAC_DEBUG4_APPEND_CRC (1L<<21) #define BNX2_EMAC_TXMAC_DEBUG4_SLOT_FILLED (1L<<22) @@ -1887,8 +3049,11 @@ struct l2_fhdr { #define BNX2_EMAC_TX_STAT_AC18 0x000016c8 #define BNX2_EMAC_TX_STAT_AC19 0x000016cc #define BNX2_EMAC_TX_STAT_AC20 0x000016d0 -#define BNX2_EMAC_TX_STAT_AC21 0x000016d4 #define BNX2_EMAC_TXMAC_SUC_DBG_OVERRUNVEC 0x000016d8 +#define BNX2_EMAC_TX_RATE_LIMIT_CTRL 0x000016fc +#define BNX2_EMAC_TX_RATE_LIMIT_CTRL_TX_THROTTLE_INC (0x7fL<<0) +#define BNX2_EMAC_TX_RATE_LIMIT_CTRL_TX_THROTTLE_NUM (0x7fL<<16) +#define BNX2_EMAC_TX_RATE_LIMIT_CTRL_RATE_LIMITER_EN (1L<<31) /* -- cgit v1.2.3 From 9052a840fffa2f565ed13e6ecd53fbe2532d51b9 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:10:12 -0800 Subject: [BNX2]: Add new 5709 registers (part 2). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.h | 1432 +++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 1410 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 73c785585fc..13b6f9b11e0 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -3074,8 +3074,15 @@ struct l2_fhdr { #define BNX2_RPM_CONFIG_ACPI_KEEP (1L<<2) #define BNX2_RPM_CONFIG_MP_KEEP (1L<<3) #define BNX2_RPM_CONFIG_SORT_VECT_VAL (0xfL<<4) +#define BNX2_RPM_CONFIG_DISABLE_WOL_ASSERT (1L<<30) #define BNX2_RPM_CONFIG_IGNORE_VLAN (1L<<31) +#define BNX2_RPM_MGMT_PKT_CTRL 0x0000180c +#define BNX2_RPM_MGMT_PKT_CTRL_MGMT_SORT (0xfL<<0) +#define BNX2_RPM_MGMT_PKT_CTRL_MGMT_RULE (0xfL<<4) +#define BNX2_RPM_MGMT_PKT_CTRL_MGMT_DISCARD_EN (1L<<30) +#define BNX2_RPM_MGMT_PKT_CTRL_MGMT_EN (1L<<31) + #define BNX2_RPM_VLAN_MATCH0 0x00001810 #define BNX2_RPM_VLAN_MATCH0_RPM_VLAN_MTCH0_VALUE (0xfffL<<0) @@ -3096,6 +3103,7 @@ struct l2_fhdr { #define BNX2_RPM_SORT_USER0_PROM_EN (1L<<19) #define BNX2_RPM_SORT_USER0_VLAN_EN (0xfL<<20) #define BNX2_RPM_SORT_USER0_PROM_VLAN (1L<<24) +#define BNX2_RPM_SORT_USER0_VLAN_NOTMATCH (1L<<25) #define BNX2_RPM_SORT_USER0_ENA (1L<<31) #define BNX2_RPM_SORT_USER1 0x00001824 @@ -3133,11 +3141,187 @@ struct l2_fhdr { #define BNX2_RPM_STAT_IFINFTQDISCARDS 0x00001848 #define BNX2_RPM_STAT_IFINMBUFDISCARD 0x0000184c #define BNX2_RPM_STAT_RULE_CHECKER_P4_HIT 0x00001850 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION0 0x00001854 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION0_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION0_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION0_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION0_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION1 0x00001858 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION1_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION1_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION1_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION1_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION2 0x0000185c +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION2_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION2_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION2_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION2_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION3 0x00001860 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION3_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION3_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION3_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION3_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION4 0x00001864 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION4_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION4_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION4_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION4_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION5 0x00001868 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION5_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION5_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION5_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION5_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION6 0x0000186c +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION6_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION6_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION6_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION6_NEXT_HEADER_EN (1L<<31) + +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION7 0x00001870 +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION7_NEXT_HEADER_LEN (0xffL<<0) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION7_NEXT_HEADER (0xffL<<16) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION7_NEXT_HEADER_LEN_TYPE (1L<<30) +#define BNX2_RPM_IPV6_PROGRAMMABLE_EXTENSION7_NEXT_HEADER_EN (1L<<31) + #define BNX2_RPM_STAT_AC0 0x00001880 #define BNX2_RPM_STAT_AC1 0x00001884 #define BNX2_RPM_STAT_AC2 0x00001888 #define BNX2_RPM_STAT_AC3 0x0000188c #define BNX2_RPM_STAT_AC4 0x00001890 +#define BNX2_RPM_RC_CNTL_16 0x000018e0 +#define BNX2_RPM_RC_CNTL_16_OFFSET (0xffL<<0) +#define BNX2_RPM_RC_CNTL_16_CLASS (0x7L<<8) +#define BNX2_RPM_RC_CNTL_16_PRIORITY (1L<<11) +#define BNX2_RPM_RC_CNTL_16_P4 (1L<<12) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE (0x7L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_START (0L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_IP (1L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_TCP (2L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_UDP (3L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_DATA (4L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_TCP_UDP (5L<<13) +#define BNX2_RPM_RC_CNTL_16_HDR_TYPE_ICMPV6 (6L<<13) +#define BNX2_RPM_RC_CNTL_16_COMP (0x3L<<16) +#define BNX2_RPM_RC_CNTL_16_COMP_EQUAL (0L<<16) +#define BNX2_RPM_RC_CNTL_16_COMP_NEQUAL (1L<<16) +#define BNX2_RPM_RC_CNTL_16_COMP_GREATER (2L<<16) +#define BNX2_RPM_RC_CNTL_16_COMP_LESS (3L<<16) +#define BNX2_RPM_RC_CNTL_16_MAP (1L<<18) +#define BNX2_RPM_RC_CNTL_16_SBIT (1L<<19) +#define BNX2_RPM_RC_CNTL_16_CMDSEL (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_16_DISCARD (1L<<25) +#define BNX2_RPM_RC_CNTL_16_MASK (1L<<26) +#define BNX2_RPM_RC_CNTL_16_P1 (1L<<27) +#define BNX2_RPM_RC_CNTL_16_P2 (1L<<28) +#define BNX2_RPM_RC_CNTL_16_P3 (1L<<29) +#define BNX2_RPM_RC_CNTL_16_NBIT (1L<<30) + +#define BNX2_RPM_RC_VALUE_MASK_16 0x000018e4 +#define BNX2_RPM_RC_VALUE_MASK_16_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_16_MASK (0xffffL<<16) + +#define BNX2_RPM_RC_CNTL_17 0x000018e8 +#define BNX2_RPM_RC_CNTL_17_OFFSET (0xffL<<0) +#define BNX2_RPM_RC_CNTL_17_CLASS (0x7L<<8) +#define BNX2_RPM_RC_CNTL_17_PRIORITY (1L<<11) +#define BNX2_RPM_RC_CNTL_17_P4 (1L<<12) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE (0x7L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_START (0L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_IP (1L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_TCP (2L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_UDP (3L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_DATA (4L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_TCP_UDP (5L<<13) +#define BNX2_RPM_RC_CNTL_17_HDR_TYPE_ICMPV6 (6L<<13) +#define BNX2_RPM_RC_CNTL_17_COMP (0x3L<<16) +#define BNX2_RPM_RC_CNTL_17_COMP_EQUAL (0L<<16) +#define BNX2_RPM_RC_CNTL_17_COMP_NEQUAL (1L<<16) +#define BNX2_RPM_RC_CNTL_17_COMP_GREATER (2L<<16) +#define BNX2_RPM_RC_CNTL_17_COMP_LESS (3L<<16) +#define BNX2_RPM_RC_CNTL_17_MAP (1L<<18) +#define BNX2_RPM_RC_CNTL_17_SBIT (1L<<19) +#define BNX2_RPM_RC_CNTL_17_CMDSEL (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_17_DISCARD (1L<<25) +#define BNX2_RPM_RC_CNTL_17_MASK (1L<<26) +#define BNX2_RPM_RC_CNTL_17_P1 (1L<<27) +#define BNX2_RPM_RC_CNTL_17_P2 (1L<<28) +#define BNX2_RPM_RC_CNTL_17_P3 (1L<<29) +#define BNX2_RPM_RC_CNTL_17_NBIT (1L<<30) + +#define BNX2_RPM_RC_VALUE_MASK_17 0x000018ec +#define BNX2_RPM_RC_VALUE_MASK_17_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_17_MASK (0xffffL<<16) + +#define BNX2_RPM_RC_CNTL_18 0x000018f0 +#define BNX2_RPM_RC_CNTL_18_OFFSET (0xffL<<0) +#define BNX2_RPM_RC_CNTL_18_CLASS (0x7L<<8) +#define BNX2_RPM_RC_CNTL_18_PRIORITY (1L<<11) +#define BNX2_RPM_RC_CNTL_18_P4 (1L<<12) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE (0x7L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_START (0L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_IP (1L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_TCP (2L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_UDP (3L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_DATA (4L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_TCP_UDP (5L<<13) +#define BNX2_RPM_RC_CNTL_18_HDR_TYPE_ICMPV6 (6L<<13) +#define BNX2_RPM_RC_CNTL_18_COMP (0x3L<<16) +#define BNX2_RPM_RC_CNTL_18_COMP_EQUAL (0L<<16) +#define BNX2_RPM_RC_CNTL_18_COMP_NEQUAL (1L<<16) +#define BNX2_RPM_RC_CNTL_18_COMP_GREATER (2L<<16) +#define BNX2_RPM_RC_CNTL_18_COMP_LESS (3L<<16) +#define BNX2_RPM_RC_CNTL_18_MAP (1L<<18) +#define BNX2_RPM_RC_CNTL_18_SBIT (1L<<19) +#define BNX2_RPM_RC_CNTL_18_CMDSEL (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_18_DISCARD (1L<<25) +#define BNX2_RPM_RC_CNTL_18_MASK (1L<<26) +#define BNX2_RPM_RC_CNTL_18_P1 (1L<<27) +#define BNX2_RPM_RC_CNTL_18_P2 (1L<<28) +#define BNX2_RPM_RC_CNTL_18_P3 (1L<<29) +#define BNX2_RPM_RC_CNTL_18_NBIT (1L<<30) + +#define BNX2_RPM_RC_VALUE_MASK_18 0x000018f4 +#define BNX2_RPM_RC_VALUE_MASK_18_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_18_MASK (0xffffL<<16) + +#define BNX2_RPM_RC_CNTL_19 0x000018f8 +#define BNX2_RPM_RC_CNTL_19_OFFSET (0xffL<<0) +#define BNX2_RPM_RC_CNTL_19_CLASS (0x7L<<8) +#define BNX2_RPM_RC_CNTL_19_PRIORITY (1L<<11) +#define BNX2_RPM_RC_CNTL_19_P4 (1L<<12) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE (0x7L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_START (0L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_IP (1L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_TCP (2L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_UDP (3L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_DATA (4L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_TCP_UDP (5L<<13) +#define BNX2_RPM_RC_CNTL_19_HDR_TYPE_ICMPV6 (6L<<13) +#define BNX2_RPM_RC_CNTL_19_COMP (0x3L<<16) +#define BNX2_RPM_RC_CNTL_19_COMP_EQUAL (0L<<16) +#define BNX2_RPM_RC_CNTL_19_COMP_NEQUAL (1L<<16) +#define BNX2_RPM_RC_CNTL_19_COMP_GREATER (2L<<16) +#define BNX2_RPM_RC_CNTL_19_COMP_LESS (3L<<16) +#define BNX2_RPM_RC_CNTL_19_MAP (1L<<18) +#define BNX2_RPM_RC_CNTL_19_SBIT (1L<<19) +#define BNX2_RPM_RC_CNTL_19_CMDSEL (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_19_DISCARD (1L<<25) +#define BNX2_RPM_RC_CNTL_19_MASK (1L<<26) +#define BNX2_RPM_RC_CNTL_19_P1 (1L<<27) +#define BNX2_RPM_RC_CNTL_19_P2 (1L<<28) +#define BNX2_RPM_RC_CNTL_19_P3 (1L<<29) +#define BNX2_RPM_RC_CNTL_19_NBIT (1L<<30) + +#define BNX2_RPM_RC_VALUE_MASK_19 0x000018fc +#define BNX2_RPM_RC_VALUE_MASK_19_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_19_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_0 0x00001900 #define BNX2_RPM_RC_CNTL_0_OFFSET (0xffL<<0) #define BNX2_RPM_RC_CNTL_0_CLASS (0x7L<<8) @@ -3149,14 +3333,18 @@ struct l2_fhdr { #define BNX2_RPM_RC_CNTL_0_HDR_TYPE_TCP (2L<<13) #define BNX2_RPM_RC_CNTL_0_HDR_TYPE_UDP (3L<<13) #define BNX2_RPM_RC_CNTL_0_HDR_TYPE_DATA (4L<<13) +#define BNX2_RPM_RC_CNTL_0_HDR_TYPE_TCP_UDP (5L<<13) +#define BNX2_RPM_RC_CNTL_0_HDR_TYPE_ICMPV6 (6L<<13) #define BNX2_RPM_RC_CNTL_0_COMP (0x3L<<16) #define BNX2_RPM_RC_CNTL_0_COMP_EQUAL (0L<<16) #define BNX2_RPM_RC_CNTL_0_COMP_NEQUAL (1L<<16) #define BNX2_RPM_RC_CNTL_0_COMP_GREATER (2L<<16) #define BNX2_RPM_RC_CNTL_0_COMP_LESS (3L<<16) +#define BNX2_RPM_RC_CNTL_0_MAP_XI (1L<<18) #define BNX2_RPM_RC_CNTL_0_SBIT (1L<<19) #define BNX2_RPM_RC_CNTL_0_CMDSEL (0xfL<<20) #define BNX2_RPM_RC_CNTL_0_MAP (1L<<24) +#define BNX2_RPM_RC_CNTL_0_CMDSEL_XI (0x1fL<<20) #define BNX2_RPM_RC_CNTL_0_DISCARD (1L<<25) #define BNX2_RPM_RC_CNTL_0_MASK (1L<<26) #define BNX2_RPM_RC_CNTL_0_P1 (1L<<27) @@ -3171,81 +3359,518 @@ struct l2_fhdr { #define BNX2_RPM_RC_CNTL_1 0x00001908 #define BNX2_RPM_RC_CNTL_1_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_1_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_1_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_1_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_1_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_1_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_1_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_1_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_1_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_1_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_1_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_1_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_1_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_1_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_1_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_1_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_1_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_1_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_1_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_1_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_1_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_1 0x0000190c +#define BNX2_RPM_RC_VALUE_MASK_1_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_1_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_2 0x00001910 #define BNX2_RPM_RC_CNTL_2_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_2_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_2_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_2_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_2_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_2_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_2_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_2_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_2_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_2_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_2_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_2_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_2_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_2_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_2_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_2_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_2_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_2_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_2_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_2_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_2_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_2 0x00001914 +#define BNX2_RPM_RC_VALUE_MASK_2_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_2_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_3 0x00001918 #define BNX2_RPM_RC_CNTL_3_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_3_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_3_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_3_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_3_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_3_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_3_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_3_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_3_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_3_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_3_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_3_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_3_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_3_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_3_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_3_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_3_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_3_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_3_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_3_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_3_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_3 0x0000191c +#define BNX2_RPM_RC_VALUE_MASK_3_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_3_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_4 0x00001920 #define BNX2_RPM_RC_CNTL_4_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_4_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_4_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_4_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_4_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_4_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_4_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_4_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_4_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_4_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_4_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_4_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_4_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_4_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_4_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_4_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_4_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_4_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_4_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_4_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_4_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_4 0x00001924 +#define BNX2_RPM_RC_VALUE_MASK_4_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_4_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_5 0x00001928 #define BNX2_RPM_RC_CNTL_5_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_5_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_5_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_5_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_5_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_5_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_5_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_5_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_5_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_5_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_5_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_5_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_5_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_5_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_5_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_5_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_5_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_5_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_5_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_5_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_5_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_5 0x0000192c +#define BNX2_RPM_RC_VALUE_MASK_5_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_5_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_6 0x00001930 #define BNX2_RPM_RC_CNTL_6_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_6_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_6_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_6_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_6_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_6_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_6_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_6_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_6_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_6_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_6_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_6_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_6_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_6_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_6_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_6_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_6_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_6_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_6_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_6_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_6_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_6 0x00001934 +#define BNX2_RPM_RC_VALUE_MASK_6_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_6_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_7 0x00001938 #define BNX2_RPM_RC_CNTL_7_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_7_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_7_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_7_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_7_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_7_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_7_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_7_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_7_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_7_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_7_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_7_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_7_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_7_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_7_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_7_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_7_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_7_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_7_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_7_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_7_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_7 0x0000193c +#define BNX2_RPM_RC_VALUE_MASK_7_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_7_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_8 0x00001940 #define BNX2_RPM_RC_CNTL_8_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_8_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_8_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_8_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_8_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_8_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_8_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_8_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_8_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_8_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_8_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_8_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_8_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_8_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_8_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_8_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_8_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_8_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_8_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_8_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_8_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_8 0x00001944 +#define BNX2_RPM_RC_VALUE_MASK_8_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_8_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_9 0x00001948 #define BNX2_RPM_RC_CNTL_9_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_9_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_9_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_9_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_9_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_9_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_9_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_9_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_9_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_9_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_9_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_9_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_9_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_9_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_9_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_9_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_9_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_9_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_9_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_9_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_9_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_9 0x0000194c +#define BNX2_RPM_RC_VALUE_MASK_9_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_9_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_10 0x00001950 #define BNX2_RPM_RC_CNTL_10_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_10_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_10_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_10_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_10_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_10_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_10_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_10_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_10_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_10_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_10_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_10_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_10_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_10_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_10_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_10_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_10_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_10_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_10_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_10_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_10_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_10 0x00001954 +#define BNX2_RPM_RC_VALUE_MASK_10_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_10_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_11 0x00001958 #define BNX2_RPM_RC_CNTL_11_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_11_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_11_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_11_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_11_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_11_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_11_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_11_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_11_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_11_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_11_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_11_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_11_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_11_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_11_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_11_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_11_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_11_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_11_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_11_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_11_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_11 0x0000195c +#define BNX2_RPM_RC_VALUE_MASK_11_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_11_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_12 0x00001960 #define BNX2_RPM_RC_CNTL_12_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_12_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_12_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_12_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_12_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_12_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_12_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_12_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_12_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_12_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_12_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_12_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_12_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_12_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_12_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_12_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_12_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_12_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_12_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_12_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_12_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_12 0x00001964 +#define BNX2_RPM_RC_VALUE_MASK_12_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_12_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_13 0x00001968 #define BNX2_RPM_RC_CNTL_13_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_13_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_13_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_13_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_13_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_13_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_13_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_13_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_13_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_13_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_13_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_13_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_13_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_13_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_13_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_13_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_13_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_13_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_13_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_13_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_13_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_13 0x0000196c +#define BNX2_RPM_RC_VALUE_MASK_13_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_13_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_14 0x00001970 #define BNX2_RPM_RC_CNTL_14_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_14_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_14_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_14_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_14_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_14_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_14_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_14_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_14_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_14_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_14_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_14_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_14_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_14_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_14_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_14_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_14_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_14_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_14_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_14_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_14_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_14 0x00001974 +#define BNX2_RPM_RC_VALUE_MASK_14_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_14_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CNTL_15 0x00001978 #define BNX2_RPM_RC_CNTL_15_A (0x3ffffL<<0) #define BNX2_RPM_RC_CNTL_15_B (0xfffL<<19) +#define BNX2_RPM_RC_CNTL_15_OFFSET_XI (0xffL<<0) +#define BNX2_RPM_RC_CNTL_15_CLASS_XI (0x7L<<8) +#define BNX2_RPM_RC_CNTL_15_PRIORITY_XI (1L<<11) +#define BNX2_RPM_RC_CNTL_15_P4_XI (1L<<12) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_XI (0x7L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_START_XI (0L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_IP_XI (1L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_TCP_XI (2L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_UDP_XI (3L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_DATA_XI (4L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_TCP_UDP_XI (5L<<13) +#define BNX2_RPM_RC_CNTL_15_HDR_TYPE_ICMPV6_XI (6L<<13) +#define BNX2_RPM_RC_CNTL_15_COMP_XI (0x3L<<16) +#define BNX2_RPM_RC_CNTL_15_COMP_EQUAL_XI (0L<<16) +#define BNX2_RPM_RC_CNTL_15_COMP_NEQUAL_XI (1L<<16) +#define BNX2_RPM_RC_CNTL_15_COMP_GREATER_XI (2L<<16) +#define BNX2_RPM_RC_CNTL_15_COMP_LESS_XI (3L<<16) +#define BNX2_RPM_RC_CNTL_15_MAP_XI (1L<<18) +#define BNX2_RPM_RC_CNTL_15_SBIT_XI (1L<<19) +#define BNX2_RPM_RC_CNTL_15_CMDSEL_XI (0x1fL<<20) +#define BNX2_RPM_RC_CNTL_15_DISCARD_XI (1L<<25) +#define BNX2_RPM_RC_CNTL_15_MASK_XI (1L<<26) +#define BNX2_RPM_RC_CNTL_15_P1_XI (1L<<27) +#define BNX2_RPM_RC_CNTL_15_P2_XI (1L<<28) +#define BNX2_RPM_RC_CNTL_15_P3_XI (1L<<29) +#define BNX2_RPM_RC_CNTL_15_NBIT_XI (1L<<30) #define BNX2_RPM_RC_VALUE_MASK_15 0x0000197c +#define BNX2_RPM_RC_VALUE_MASK_15_VALUE (0xffffL<<0) +#define BNX2_RPM_RC_VALUE_MASK_15_MASK (0xffffL<<16) + #define BNX2_RPM_RC_CONFIG 0x00001980 #define BNX2_RPM_RC_CONFIG_RULE_ENABLE (0xffffL<<0) +#define BNX2_RPM_RC_CONFIG_RULE_ENABLE_XI (0xfffffL<<0) #define BNX2_RPM_RC_CONFIG_DEF_CLASS (0x7L<<24) +#define BNX2_RPM_RC_CONFIG_KNUM_OVERWRITE (1L<<31) #define BNX2_RPM_DEBUG0 0x00001984 #define BNX2_RPM_DEBUG0_FM_BCNT (0xffffL<<0) @@ -3401,6 +4026,16 @@ struct l2_fhdr { #define BNX2_RPM_DEBUG9_INFIFO_OVERRUN_OCCURRED (1L<<29) #define BNX2_RPM_DEBUG9_ACPI_MATCH_INT (1L<<30) #define BNX2_RPM_DEBUG9_ACPI_ENABLE_SYN (1L<<31) +#define BNX2_RPM_DEBUG9_BEMEM_R_XI (0x1fL<<0) +#define BNX2_RPM_DEBUG9_EO_XI (1L<<5) +#define BNX2_RPM_DEBUG9_AEOF_DE_XI (1L<<6) +#define BNX2_RPM_DEBUG9_SO_XI (1L<<7) +#define BNX2_RPM_DEBUG9_WD64_CT_XI (0x1fL<<8) +#define BNX2_RPM_DEBUG9_EOF_VLDBYTE_XI (0x7L<<13) +#define BNX2_RPM_DEBUG9_ACPI_RDE_PAT_ID_XI (0xfL<<16) +#define BNX2_RPM_DEBUG9_CALCRC_RESULT_XI (0x3ffL<<20) +#define BNX2_RPM_DEBUG9_DATA_IN_VL_XI (1L<<30) +#define BNX2_RPM_DEBUG9_CALCRC_BUFFER_VLD_XI (1L<<31) #define BNX2_RPM_ACPI_DBG_BUF_W00 0x000019c0 #define BNX2_RPM_ACPI_DBG_BUF_W01 0x000019c4 @@ -3418,6 +4053,56 @@ struct l2_fhdr { #define BNX2_RPM_ACPI_DBG_BUF_W31 0x000019f4 #define BNX2_RPM_ACPI_DBG_BUF_W32 0x000019f8 #define BNX2_RPM_ACPI_DBG_BUF_W33 0x000019fc +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL 0x00001a00 +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL_BYTE_ADDRESS (0xffffL<<0) +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL_DEBUGRD (1L<<28) +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL_MODE (1L<<29) +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL_INIT (1L<<30) +#define BNX2_RPM_ACPI_BYTE_ENABLE_CTRL_WR (1L<<31) + +#define BNX2_RPM_ACPI_PATTERN_CTRL 0x00001a04 +#define BNX2_RPM_ACPI_PATTERN_CTRL_PATTERN_ID (0xfL<<0) +#define BNX2_RPM_ACPI_PATTERN_CTRL_CRC_SM_CLR (1L<<30) +#define BNX2_RPM_ACPI_PATTERN_CTRL_WR (1L<<31) + +#define BNX2_RPM_ACPI_DATA 0x00001a08 +#define BNX2_RPM_ACPI_DATA_PATTERN_BE (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_LEN0 0x00001a0c +#define BNX2_RPM_ACPI_PATTERN_LEN0_PATTERN_LEN3 (0xffL<<0) +#define BNX2_RPM_ACPI_PATTERN_LEN0_PATTERN_LEN2 (0xffL<<8) +#define BNX2_RPM_ACPI_PATTERN_LEN0_PATTERN_LEN1 (0xffL<<16) +#define BNX2_RPM_ACPI_PATTERN_LEN0_PATTERN_LEN0 (0xffL<<24) + +#define BNX2_RPM_ACPI_PATTERN_LEN1 0x00001a10 +#define BNX2_RPM_ACPI_PATTERN_LEN1_PATTERN_LEN7 (0xffL<<0) +#define BNX2_RPM_ACPI_PATTERN_LEN1_PATTERN_LEN6 (0xffL<<8) +#define BNX2_RPM_ACPI_PATTERN_LEN1_PATTERN_LEN5 (0xffL<<16) +#define BNX2_RPM_ACPI_PATTERN_LEN1_PATTERN_LEN4 (0xffL<<24) + +#define BNX2_RPM_ACPI_PATTERN_CRC0 0x00001a18 +#define BNX2_RPM_ACPI_PATTERN_CRC0_PATTERN_CRC0 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC1 0x00001a1c +#define BNX2_RPM_ACPI_PATTERN_CRC1_PATTERN_CRC1 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC2 0x00001a20 +#define BNX2_RPM_ACPI_PATTERN_CRC2_PATTERN_CRC2 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC3 0x00001a24 +#define BNX2_RPM_ACPI_PATTERN_CRC3_PATTERN_CRC3 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC4 0x00001a28 +#define BNX2_RPM_ACPI_PATTERN_CRC4_PATTERN_CRC4 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC5 0x00001a2c +#define BNX2_RPM_ACPI_PATTERN_CRC5_PATTERN_CRC5 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC6 0x00001a30 +#define BNX2_RPM_ACPI_PATTERN_CRC6_PATTERN_CRC6 (0xffffffffL<<0) + +#define BNX2_RPM_ACPI_PATTERN_CRC7 0x00001a34 +#define BNX2_RPM_ACPI_PATTERN_CRC7_PATTERN_CRC7 (0xffffffffL<<0) /* @@ -3428,15 +4113,20 @@ struct l2_fhdr { #define BNX2_RBUF_COMMAND_ENABLED (1L<<0) #define BNX2_RBUF_COMMAND_FREE_INIT (1L<<1) #define BNX2_RBUF_COMMAND_RAM_INIT (1L<<2) +#define BNX2_RBUF_COMMAND_PKT_OFFSET_OVFL (1L<<3) #define BNX2_RBUF_COMMAND_OVER_FREE (1L<<4) #define BNX2_RBUF_COMMAND_ALLOC_REQ (1L<<5) +#define BNX2_RBUF_COMMAND_EN_PRI_CHNGE_TE (1L<<6) +#define BNX2_RBUF_COMMAND_CU_ISOLATE_XI (1L<<5) +#define BNX2_RBUF_COMMAND_EN_PRI_CHANGE_XI (1L<<6) +#define BNX2_RBUF_COMMAND_GRC_ENDIAN_CONV_DIS_XI (1L<<7) #define BNX2_RBUF_STATUS1 0x00200004 #define BNX2_RBUF_STATUS1_FREE_COUNT (0x3ffL<<0) #define BNX2_RBUF_STATUS2 0x00200008 -#define BNX2_RBUF_STATUS2_FREE_TAIL (0x3ffL<<0) -#define BNX2_RBUF_STATUS2_FREE_HEAD (0x3ffL<<16) +#define BNX2_RBUF_STATUS2_FREE_TAIL (0x1ffL<<0) +#define BNX2_RBUF_STATUS2_FREE_HEAD (0x1ffL<<16) #define BNX2_RBUF_CONFIG 0x0020000c #define BNX2_RBUF_CONFIG_XOFF_TRIP (0x3ffL<<0) @@ -3444,16 +4134,21 @@ struct l2_fhdr { #define BNX2_RBUF_FW_BUF_ALLOC 0x00200010 #define BNX2_RBUF_FW_BUF_ALLOC_VALUE (0x1ffL<<7) +#define BNX2_RBUF_FW_BUF_ALLOC_TYPE (1L<<16) +#define BNX2_RBUF_FW_BUF_ALLOC_ALLOC_REQ (1L<<31) #define BNX2_RBUF_FW_BUF_FREE 0x00200014 #define BNX2_RBUF_FW_BUF_FREE_COUNT (0x7fL<<0) #define BNX2_RBUF_FW_BUF_FREE_TAIL (0x1ffL<<7) #define BNX2_RBUF_FW_BUF_FREE_HEAD (0x1ffL<<16) +#define BNX2_RBUF_FW_BUF_FREE_TYPE (1L<<25) +#define BNX2_RBUF_FW_BUF_FREE_FREE_REQ (1L<<31) #define BNX2_RBUF_FW_BUF_SEL 0x00200018 #define BNX2_RBUF_FW_BUF_SEL_COUNT (0x7fL<<0) #define BNX2_RBUF_FW_BUF_SEL_TAIL (0x1ffL<<7) #define BNX2_RBUF_FW_BUF_SEL_HEAD (0x1ffL<<16) +#define BNX2_RBUF_FW_BUF_SEL_SEL_REQ (1L<<31) #define BNX2_RBUF_CONFIG2 0x0020001c #define BNX2_RBUF_CONFIG2_MAC_DROP_TRIP (0x3ffL<<0) @@ -3541,6 +4236,8 @@ struct l2_fhdr { #define BNX2_RV2P_INSTR_HIGH_HIGH (0x1fL<<0) #define BNX2_RV2P_INSTR_LOW 0x00002834 +#define BNX2_RV2P_INSTR_LOW_LOW (0xffffffffL<<0) + #define BNX2_RV2P_PROC1_ADDR_CMD 0x00002838 #define BNX2_RV2P_PROC1_ADDR_CMD_ADD (0x3ffL<<0) #define BNX2_RV2P_PROC1_ADDR_CMD_RDWR (1L<<31) @@ -3560,7 +4257,29 @@ struct l2_fhdr { #define BNX2_RV2P_DEBUG_VECT_PEEK_2_PEEK_EN (1L<<27) #define BNX2_RV2P_DEBUG_VECT_PEEK_2_SEL (0xfL<<28) -#define BNX2_RV2P_PFTQ_DATA 0x00002b40 +#define BNX2_RV2P_MPFE_PFE_CTL 0x00002afc +#define BNX2_RV2P_MPFE_PFE_CTL_INC_USAGE_CNT (1L<<0) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE (0xfL<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_0 (0L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_1 (1L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_2 (2L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_3 (3L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_4 (4L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_5 (5L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_6 (6L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_7 (7L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_8 (8L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_9 (9L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_10 (10L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_11 (11L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_12 (12L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_13 (13L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_14 (14L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_SIZE_15 (15L<<4) +#define BNX2_RV2P_MPFE_PFE_CTL_PFE_COUNT (0xfL<<12) +#define BNX2_RV2P_MPFE_PFE_CTL_OFFSET (0x1ffL<<16) + +#define BNX2_RV2P_RV2PPQ 0x00002b40 #define BNX2_RV2P_PFTQ_CMD 0x00002b78 #define BNX2_RV2P_PFTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_RV2P_PFTQ_CMD_WR_TOP (1L<<10) @@ -3581,7 +4300,7 @@ struct l2_fhdr { #define BNX2_RV2P_PFTQ_CTL_MAX_DEPTH (0x3ffL<<12) #define BNX2_RV2P_PFTQ_CTL_CUR_DEPTH (0x3ffL<<22) -#define BNX2_RV2P_TFTQ_DATA 0x00002b80 +#define BNX2_RV2P_RV2PTQ 0x00002b80 #define BNX2_RV2P_TFTQ_CMD 0x00002bb8 #define BNX2_RV2P_TFTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_RV2P_TFTQ_CMD_WR_TOP (1L<<10) @@ -3602,7 +4321,7 @@ struct l2_fhdr { #define BNX2_RV2P_TFTQ_CTL_MAX_DEPTH (0x3ffL<<12) #define BNX2_RV2P_TFTQ_CTL_CUR_DEPTH (0x3ffL<<22) -#define BNX2_RV2P_MFTQ_DATA 0x00002bc0 +#define BNX2_RV2P_RV2PMQ 0x00002bc0 #define BNX2_RV2P_MFTQ_CMD 0x00002bf8 #define BNX2_RV2P_MFTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_RV2P_MFTQ_CMD_WR_TOP (1L<<10) @@ -3631,18 +4350,26 @@ struct l2_fhdr { */ #define BNX2_MQ_COMMAND 0x00003c00 #define BNX2_MQ_COMMAND_ENABLED (1L<<0) +#define BNX2_MQ_COMMAND_INIT (1L<<1) #define BNX2_MQ_COMMAND_OVERFLOW (1L<<4) #define BNX2_MQ_COMMAND_WR_ERROR (1L<<5) #define BNX2_MQ_COMMAND_RD_ERROR (1L<<6) +#define BNX2_MQ_COMMAND_IDB_CFG_ERROR (1L<<7) +#define BNX2_MQ_COMMAND_IDB_OVERFLOW (1L<<10) +#define BNX2_MQ_COMMAND_NO_BIN_ERROR (1L<<11) +#define BNX2_MQ_COMMAND_NO_MAP_ERROR (1L<<12) #define BNX2_MQ_STATUS 0x00003c04 #define BNX2_MQ_STATUS_CTX_ACCESS_STAT (1L<<16) #define BNX2_MQ_STATUS_CTX_ACCESS64_STAT (1L<<17) #define BNX2_MQ_STATUS_PCI_STALL_STAT (1L<<18) +#define BNX2_MQ_STATUS_IDB_OFLOW_STAT (1L<<19) #define BNX2_MQ_CONFIG 0x00003c08 #define BNX2_MQ_CONFIG_TX_HIGH_PRI (1L<<0) #define BNX2_MQ_CONFIG_HALT_DIS (1L<<1) +#define BNX2_MQ_CONFIG_BIN_MQ_MODE (1L<<2) +#define BNX2_MQ_CONFIG_DIS_IDB_DROP (1L<<3) #define BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE (0x7L<<4) #define BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256 (0L<<4) #define BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_512 (1L<<4) @@ -3698,6 +4425,7 @@ struct l2_fhdr { #define BNX2_MQ_MEM_WR_DATA2 0x00003c80 #define BNX2_MQ_MEM_WR_DATA2_VALUE (0x3fffffffL<<0) +#define BNX2_MQ_MEM_WR_DATA2_VALUE_XI (0x7fffffffL<<0) #define BNX2_MQ_MEM_RD_ADDR 0x00003c84 #define BNX2_MQ_MEM_RD_ADDR_VALUE (0x3fL<<0) @@ -3710,6 +4438,16 @@ struct l2_fhdr { #define BNX2_MQ_MEM_RD_DATA2 0x00003c90 #define BNX2_MQ_MEM_RD_DATA2_VALUE (0x3fffffffL<<0) +#define BNX2_MQ_MEM_RD_DATA2_VALUE_XI (0x7fffffffL<<0) + + +/* + * tsch_reg definition + * offset: 0x4c00 + */ +#define BNX2_TSCH_TSS_CFG 0x00004c1c +#define BNX2_TSCH_TSS_CFG_TSS_START_CID (0x7ffL<<8) +#define BNX2_TSCH_TSS_CFG_NUM_OF_TSS_CON (0xfL<<24) @@ -3759,7 +4497,11 @@ struct l2_fhdr { #define BNX2_TBDR_DEBUG_VECT_PEEK_2_PEEK_EN (1L<<27) #define BNX2_TBDR_DEBUG_VECT_PEEK_2_SEL (0xfL<<28) -#define BNX2_TBDR_FTQ_DATA 0x000053c0 +#define BNX2_TBDR_CKSUM_ERROR_STATUS 0x00005010 +#define BNX2_TBDR_CKSUM_ERROR_STATUS_CALCULATED (0xffffL<<0) +#define BNX2_TBDR_CKSUM_ERROR_STATUS_EXPECTED (0xffffL<<16) + +#define BNX2_TBDR_TBDRQ 0x000053c0 #define BNX2_TBDR_FTQ_CMD 0x000053f8 #define BNX2_TBDR_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_TBDR_FTQ_CMD_WR_TOP (1L<<10) @@ -3789,7 +4531,15 @@ struct l2_fhdr { #define BNX2_TDMA_COMMAND 0x00005c00 #define BNX2_TDMA_COMMAND_ENABLED (1L<<0) #define BNX2_TDMA_COMMAND_MASTER_ABORT (1L<<4) +#define BNX2_TDMA_COMMAND_CS16_ERR (1L<<5) #define BNX2_TDMA_COMMAND_BAD_L2_LENGTH_ABORT (1L<<7) +#define BNX2_TDMA_COMMAND_MASK_CS1 (1L<<20) +#define BNX2_TDMA_COMMAND_MASK_CS2 (1L<<21) +#define BNX2_TDMA_COMMAND_MASK_CS3 (1L<<22) +#define BNX2_TDMA_COMMAND_MASK_CS4 (1L<<23) +#define BNX2_TDMA_COMMAND_FORCE_ILOCK_CKERR (1L<<24) +#define BNX2_TDMA_COMMAND_OFIFO_CLR (1L<<30) +#define BNX2_TDMA_COMMAND_IFIFO_CLR (1L<<31) #define BNX2_TDMA_STATUS 0x00005c04 #define BNX2_TDMA_STATUS_DMA_WAIT (1L<<0) @@ -3798,10 +4548,18 @@ struct l2_fhdr { #define BNX2_TDMA_STATUS_LOCK_WAIT (1L<<3) #define BNX2_TDMA_STATUS_FTQ_ENTRY_CNT (1L<<16) #define BNX2_TDMA_STATUS_BURST_CNT (1L<<17) +#define BNX2_TDMA_STATUS_MAX_IFIFO_DEPTH (0x3fL<<20) +#define BNX2_TDMA_STATUS_OFIFO_OVERFLOW (1L<<30) +#define BNX2_TDMA_STATUS_IFIFO_OVERFLOW (1L<<31) #define BNX2_TDMA_CONFIG 0x00005c08 #define BNX2_TDMA_CONFIG_ONE_DMA (1L<<0) #define BNX2_TDMA_CONFIG_ONE_RECORD (1L<<1) +#define BNX2_TDMA_CONFIG_NUM_DMA_CHAN (0x3L<<2) +#define BNX2_TDMA_CONFIG_NUM_DMA_CHAN_0 (0L<<2) +#define BNX2_TDMA_CONFIG_NUM_DMA_CHAN_1 (1L<<2) +#define BNX2_TDMA_CONFIG_NUM_DMA_CHAN_2 (2L<<2) +#define BNX2_TDMA_CONFIG_NUM_DMA_CHAN_3 (3L<<2) #define BNX2_TDMA_CONFIG_LIMIT_SZ (0xfL<<4) #define BNX2_TDMA_CONFIG_LIMIT_SZ_64 (0L<<4) #define BNX2_TDMA_CONFIG_LIMIT_SZ_128 (0x4L<<4) @@ -3814,7 +4572,35 @@ struct l2_fhdr { #define BNX2_TDMA_CONFIG_LINE_SZ_512 (8L<<8) #define BNX2_TDMA_CONFIG_ALIGN_ENA (1L<<15) #define BNX2_TDMA_CONFIG_CHK_L2_BD (1L<<16) +#define BNX2_TDMA_CONFIG_CMPL_ENTRY (1L<<17) +#define BNX2_TDMA_CONFIG_OFIFO_CMP (1L<<19) +#define BNX2_TDMA_CONFIG_OFIFO_CMP_3 (0L<<19) +#define BNX2_TDMA_CONFIG_OFIFO_CMP_2 (1L<<19) #define BNX2_TDMA_CONFIG_FIFO_CMP (0xfL<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_XI (0x7L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_0_XI (0L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_4_XI (1L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_8_XI (2L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_16_XI (3L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_32_XI (4L<<20) +#define BNX2_TDMA_CONFIG_IFIFO_DEPTH_64_XI (5L<<20) +#define BNX2_TDMA_CONFIG_FIFO_CMP_EN_XI (1L<<23) +#define BNX2_TDMA_CONFIG_BYTES_OST_XI (0x7L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_512_XI (0L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_1024_XI (1L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_2048_XI (2L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_4096_XI (3L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_8192_XI (4L<<24) +#define BNX2_TDMA_CONFIG_BYTES_OST_16384_XI (5L<<24) +#define BNX2_TDMA_CONFIG_HC_BYPASS_XI (1L<<27) +#define BNX2_TDMA_CONFIG_LCL_MRRS_XI (0x7L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_128_XI (0L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_256_XI (1L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_512_XI (2L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_1024_XI (3L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_2048_XI (4L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_4096_XI (5L<<28) +#define BNX2_TDMA_CONFIG_LCL_MRRS_EN_XI (1L<<31) #define BNX2_TDMA_PAYLOAD_PROD 0x00005c0c #define BNX2_TDMA_PAYLOAD_PROD_VALUE (0x1fffL<<3) @@ -3850,7 +4636,22 @@ struct l2_fhdr { #define BNX2_TDMA_DR_INTF_STATUS_NXT_PNTR (0xfL<<12) #define BNX2_TDMA_DR_INTF_STATUS_BYTE_COUNT (0x7L<<16) -#define BNX2_TDMA_FTQ_DATA 0x00005fc0 +#define BNX2_TDMA_PUSH_FSM 0x00005c90 +#define BNX2_TDMA_BD_IF_DEBUG 0x00005c94 +#define BNX2_TDMA_DMAD_IF_DEBUG 0x00005c98 +#define BNX2_TDMA_CTX_IF_DEBUG 0x00005c9c +#define BNX2_TDMA_TPBUF_IF_DEBUG 0x00005ca0 +#define BNX2_TDMA_DR_IF_DEBUG 0x00005ca4 +#define BNX2_TDMA_TPATQ_IF_DEBUG 0x00005ca8 +#define BNX2_TDMA_TDMA_ILOCK_CKSUM 0x00005cac +#define BNX2_TDMA_TDMA_ILOCK_CKSUM_CALCULATED (0xffffL<<0) +#define BNX2_TDMA_TDMA_ILOCK_CKSUM_EXPECTED (0xffffL<<16) + +#define BNX2_TDMA_TDMA_PCIE_CKSUM 0x00005cb0 +#define BNX2_TDMA_TDMA_PCIE_CKSUM_CALCULATED (0xffffL<<0) +#define BNX2_TDMA_TDMA_PCIE_CKSUM_EXPECTED (0xffffL<<16) + +#define BNX2_TDMA_TDMAQ 0x00005fc0 #define BNX2_TDMA_FTQ_CMD 0x00005ff8 #define BNX2_TDMA_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_TDMA_FTQ_CMD_WR_TOP (1L<<10) @@ -3889,6 +4690,8 @@ struct l2_fhdr { #define BNX2_HC_COMMAND_FORCE_INT_LOW (2L<<19) #define BNX2_HC_COMMAND_FORCE_INT_FREE (3L<<19) #define BNX2_HC_COMMAND_CLR_STAT_NOW (1L<<21) +#define BNX2_HC_COMMAND_MAIN_PWR_INT (1L<<22) +#define BNX2_HC_COMMAND_COAL_ON_NEXT_EVENT (1L<<27) #define BNX2_HC_STATUS 0x00006804 #define BNX2_HC_STATUS_MASTER_ABORT (1L<<0) @@ -3911,6 +4714,23 @@ struct l2_fhdr { #define BNX2_HC_CONFIG_STATISTIC_PRIORITY (1L<<5) #define BNX2_HC_CONFIG_STATUS_PRIORITY (1L<<6) #define BNX2_HC_CONFIG_STAT_MEM_ADDR (0xffL<<8) +#define BNX2_HC_CONFIG_PER_MODE (1L<<16) +#define BNX2_HC_CONFIG_ONE_SHOT (1L<<17) +#define BNX2_HC_CONFIG_USE_INT_PARAM (1L<<18) +#define BNX2_HC_CONFIG_SET_MASK_AT_RD (1L<<19) +#define BNX2_HC_CONFIG_PER_COLLECT_LIMIT (0xfL<<20) +#define BNX2_HC_CONFIG_SB_ADDR_INC (0x7L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_64B (0L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_128B (1L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_256B (2L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_512B (3L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_1024B (4L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_2048B (5L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_4096B (6L<<24) +#define BNX2_HC_CONFIG_SB_ADDR_INC_8192B (7L<<24) +#define BNX2_HC_CONFIG_GEN_STAT_AVG_INTR (1L<<29) +#define BNX2_HC_CONFIG_UNMASK_ALL (1L<<30) +#define BNX2_HC_CONFIG_TX_SEL (1L<<31) #define BNX2_HC_ATTN_BITS_ENABLE 0x0000680c #define BNX2_HC_STATUS_ADDR_L 0x00006810 @@ -3947,6 +4767,7 @@ struct l2_fhdr { #define BNX2_HC_PERIODIC_TICKS 0x0000683c #define BNX2_HC_PERIODIC_TICKS_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_HC_INT_PERIODIC_TICKS (0xffffL<<16) #define BNX2_HC_STAT_COLLECT_TICKS 0x00006840 #define BNX2_HC_STAT_COLLECT_TICKS_HC_STAT_COLL_TICKS (0xffL<<4) @@ -3954,6 +4775,10 @@ struct l2_fhdr { #define BNX2_HC_STATS_TICKS 0x00006844 #define BNX2_HC_STATS_TICKS_HC_STAT_TICKS (0xffffL<<8) +#define BNX2_HC_STATS_INTERRUPT_STATUS 0x00006848 +#define BNX2_HC_STATS_INTERRUPT_STATUS_SB_STATUS (0x1ffL<<0) +#define BNX2_HC_STATS_INTERRUPT_STATUS_INT_STATUS (0x1ffL<<16) + #define BNX2_HC_STAT_MEM_DATA 0x0000684c #define BNX2_HC_STAT_GEN_SEL_0 0x00006850 #define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0 (0x7fL<<0) @@ -4082,24 +4907,108 @@ struct l2_fhdr { #define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_1 (0x7fL<<8) #define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_2 (0x7fL<<16) #define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_3 (0x7fL<<24) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_XI (0xffL<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UMP_RX_FRAME_DROP_XI (52L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S0_XI (57L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S1_XI (58L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S2_XI (85L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S3_XI (86L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S4_XI (87L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S5_XI (88L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S6_XI (89L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S7_XI (90L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S8_XI (91L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S9_XI (92L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_UNUSED_S10_XI (93L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_MQ_IDB_OFLOW_XI (94L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_CTX_BLK_RD_CNT_XI (123L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_CTX_BLK_WR_CNT_XI (124L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_CTX_HITS_XI (125L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_CTX_MISSES_XI (126L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC1_XI (128L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC1_XI (129L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC1_XI (130L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC1_XI (131L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC1_XI (132L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC1_XI (133L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC2_XI (134L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC2_XI (135L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC2_XI (136L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC2_XI (137L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC2_XI (138L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC2_XI (139L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC3_XI (140L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC3_XI (141L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC3_XI (142L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC3_XI (143L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC3_XI (144L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC3_XI (145L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC4_XI (146L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC4_XI (147L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC4_XI (148L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC4_XI (149L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC4_XI (150L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC4_XI (151L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC5_XI (152L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC5_XI (153L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC5_XI (154L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC5_XI (155L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC5_XI (156L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC5_XI (157L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC6_XI (158L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC6_XI (159L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC6_XI (160L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC6_XI (161L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC6_XI (162L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC6_XI (163L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC7_XI (164L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC7_XI (165L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC7_XI (166L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC7_XI (167L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC7_XI (168L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC7_XI (169L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_STATUS_BLOCKS_VEC8_XI (170L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_GEN_VEC8_XI (171L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_NUM_INT_MBOX_WR_VEC8_XI (172L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_HW_INTACK_VEC8_XI (173L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_TO_SW_INTACK_VEC8_XI (174L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_HC_CORE_CLKS_DURING_SW_INTACK_VEC8_XI (175L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PCS_CMD_CNT_XI (176L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PCS_SLOT_CNT_XI (177L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_0_RV2PCSQ_VALID_CNT_XI (178L<<0) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_1_XI (0xffL<<8) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_2_XI (0xffL<<16) +#define BNX2_HC_STAT_GEN_SEL_0_GEN_SEL_3_XI (0xffL<<24) #define BNX2_HC_STAT_GEN_SEL_1 0x00006854 #define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_4 (0x7fL<<0) #define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_5 (0x7fL<<8) #define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_6 (0x7fL<<16) #define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_7 (0x7fL<<24) +#define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_4_XI (0xffL<<0) +#define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_5_XI (0xffL<<8) +#define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_6_XI (0xffL<<16) +#define BNX2_HC_STAT_GEN_SEL_1_GEN_SEL_7_XI (0xffL<<24) #define BNX2_HC_STAT_GEN_SEL_2 0x00006858 #define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_8 (0x7fL<<0) #define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_9 (0x7fL<<8) #define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_10 (0x7fL<<16) #define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_11 (0x7fL<<24) +#define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_8_XI (0xffL<<0) +#define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_9_XI (0xffL<<8) +#define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_10_XI (0xffL<<16) +#define BNX2_HC_STAT_GEN_SEL_2_GEN_SEL_11_XI (0xffL<<24) #define BNX2_HC_STAT_GEN_SEL_3 0x0000685c #define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_12 (0x7fL<<0) #define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_13 (0x7fL<<8) #define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_14 (0x7fL<<16) #define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_15 (0x7fL<<24) +#define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_12_XI (0xffL<<0) +#define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_13_XI (0xffL<<8) +#define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_14_XI (0xffL<<16) +#define BNX2_HC_STAT_GEN_SEL_3_GEN_SEL_15_XI (0xffL<<24) #define BNX2_HC_STAT_GEN_STAT0 0x00006888 #define BNX2_HC_STAT_GEN_STAT1 0x0000688c @@ -4133,6 +5042,7 @@ struct l2_fhdr { #define BNX2_HC_STAT_GEN_STAT_AC13 0x000068fc #define BNX2_HC_STAT_GEN_STAT_AC14 0x00006900 #define BNX2_HC_STAT_GEN_STAT_AC15 0x00006904 +#define BNX2_HC_STAT_GEN_STAT_AC 0x000068c8 #define BNX2_HC_VIS 0x00006908 #define BNX2_HC_VIS_STAT_BUILD_STATE (0xfL<<0) #define BNX2_HC_VIS_STAT_BUILD_STATE_IDLE (0L<<0) @@ -4203,6 +5113,349 @@ struct l2_fhdr { #define BNX2_HC_DEBUG_VECT_PEEK_2_PEEK_EN (1L<<27) #define BNX2_HC_DEBUG_VECT_PEEK_2_SEL (0xfL<<28) +#define BNX2_HC_COALESCE_NOW 0x00006914 +#define BNX2_HC_COALESCE_NOW_COAL_NOW (0x1ffL<<1) +#define BNX2_HC_COALESCE_NOW_COAL_NOW_WO_INT (0x1ffL<<11) +#define BNX2_HC_COALESCE_NOW_COAL_ON_NXT_EVENT (0x1ffL<<21) + +#define BNX2_HC_MSIX_BIT_VECTOR 0x00006918 +#define BNX2_HC_MSIX_BIT_VECTOR_VAL (0x1ffL<<0) + +#define BNX2_HC_SB_CONFIG_1 0x00006a00 +#define BNX2_HC_SB_CONFIG_1_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_1_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_1_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_1_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_1_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_1_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_1_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_1_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_1 0x00006a04 +#define BNX2_HC_TX_QUICK_CONS_TRIP_1_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_1_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_1 0x00006a08 +#define BNX2_HC_COMP_PROD_TRIP_1_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_1_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_1 0x00006a0c +#define BNX2_HC_RX_QUICK_CONS_TRIP_1_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_1_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_1 0x00006a10 +#define BNX2_HC_RX_TICKS_1_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_1_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_1 0x00006a14 +#define BNX2_HC_TX_TICKS_1_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_1_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_1 0x00006a18 +#define BNX2_HC_COM_TICKS_1_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_1_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_1 0x00006a1c +#define BNX2_HC_CMD_TICKS_1_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_1_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_1 0x00006a20 +#define BNX2_HC_PERIODIC_TICKS_1_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_1_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_2 0x00006a24 +#define BNX2_HC_SB_CONFIG_2_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_2_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_2_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_2_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_2_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_2_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_2_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_2_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_2 0x00006a28 +#define BNX2_HC_TX_QUICK_CONS_TRIP_2_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_2_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_2 0x00006a2c +#define BNX2_HC_COMP_PROD_TRIP_2_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_2_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_2 0x00006a30 +#define BNX2_HC_RX_QUICK_CONS_TRIP_2_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_2_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_2 0x00006a34 +#define BNX2_HC_RX_TICKS_2_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_2_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_2 0x00006a38 +#define BNX2_HC_TX_TICKS_2_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_2_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_2 0x00006a3c +#define BNX2_HC_COM_TICKS_2_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_2_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_2 0x00006a40 +#define BNX2_HC_CMD_TICKS_2_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_2_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_2 0x00006a44 +#define BNX2_HC_PERIODIC_TICKS_2_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_2_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_3 0x00006a48 +#define BNX2_HC_SB_CONFIG_3_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_3_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_3_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_3_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_3_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_3_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_3_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_3_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_3 0x00006a4c +#define BNX2_HC_TX_QUICK_CONS_TRIP_3_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_3_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_3 0x00006a50 +#define BNX2_HC_COMP_PROD_TRIP_3_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_3_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_3 0x00006a54 +#define BNX2_HC_RX_QUICK_CONS_TRIP_3_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_3_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_3 0x00006a58 +#define BNX2_HC_RX_TICKS_3_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_3_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_3 0x00006a5c +#define BNX2_HC_TX_TICKS_3_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_3_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_3 0x00006a60 +#define BNX2_HC_COM_TICKS_3_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_3_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_3 0x00006a64 +#define BNX2_HC_CMD_TICKS_3_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_3_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_3 0x00006a68 +#define BNX2_HC_PERIODIC_TICKS_3_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_3_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_4 0x00006a6c +#define BNX2_HC_SB_CONFIG_4_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_4_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_4_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_4_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_4_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_4_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_4_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_4_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_4 0x00006a70 +#define BNX2_HC_TX_QUICK_CONS_TRIP_4_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_4_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_4 0x00006a74 +#define BNX2_HC_COMP_PROD_TRIP_4_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_4_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_4 0x00006a78 +#define BNX2_HC_RX_QUICK_CONS_TRIP_4_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_4_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_4 0x00006a7c +#define BNX2_HC_RX_TICKS_4_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_4_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_4 0x00006a80 +#define BNX2_HC_TX_TICKS_4_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_4_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_4 0x00006a84 +#define BNX2_HC_COM_TICKS_4_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_4_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_4 0x00006a88 +#define BNX2_HC_CMD_TICKS_4_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_4_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_4 0x00006a8c +#define BNX2_HC_PERIODIC_TICKS_4_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_4_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_5 0x00006a90 +#define BNX2_HC_SB_CONFIG_5_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_5_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_5_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_5_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_5_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_5_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_5_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_5_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_5 0x00006a94 +#define BNX2_HC_TX_QUICK_CONS_TRIP_5_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_5_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_5 0x00006a98 +#define BNX2_HC_COMP_PROD_TRIP_5_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_5_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_5 0x00006a9c +#define BNX2_HC_RX_QUICK_CONS_TRIP_5_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_5_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_5 0x00006aa0 +#define BNX2_HC_RX_TICKS_5_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_5_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_5 0x00006aa4 +#define BNX2_HC_TX_TICKS_5_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_5_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_5 0x00006aa8 +#define BNX2_HC_COM_TICKS_5_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_5_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_5 0x00006aac +#define BNX2_HC_CMD_TICKS_5_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_5_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_5 0x00006ab0 +#define BNX2_HC_PERIODIC_TICKS_5_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_5_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_6 0x00006ab4 +#define BNX2_HC_SB_CONFIG_6_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_6_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_6_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_6_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_6_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_6_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_6_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_6_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_6 0x00006ab8 +#define BNX2_HC_TX_QUICK_CONS_TRIP_6_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_6_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_6 0x00006abc +#define BNX2_HC_COMP_PROD_TRIP_6_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_6_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_6 0x00006ac0 +#define BNX2_HC_RX_QUICK_CONS_TRIP_6_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_6_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_6 0x00006ac4 +#define BNX2_HC_RX_TICKS_6_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_6_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_6 0x00006ac8 +#define BNX2_HC_TX_TICKS_6_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_6_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_6 0x00006acc +#define BNX2_HC_COM_TICKS_6_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_6_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_6 0x00006ad0 +#define BNX2_HC_CMD_TICKS_6_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_6_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_6 0x00006ad4 +#define BNX2_HC_PERIODIC_TICKS_6_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_6_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_7 0x00006ad8 +#define BNX2_HC_SB_CONFIG_7_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_7_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_7_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_7_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_7_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_7_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_7_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_7_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_7 0x00006adc +#define BNX2_HC_TX_QUICK_CONS_TRIP_7_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_7_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_7 0x00006ae0 +#define BNX2_HC_COMP_PROD_TRIP_7_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_7_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_7 0x00006ae4 +#define BNX2_HC_RX_QUICK_CONS_TRIP_7_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_7_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_7 0x00006ae8 +#define BNX2_HC_RX_TICKS_7_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_7_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_7 0x00006aec +#define BNX2_HC_TX_TICKS_7_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_7_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_7 0x00006af0 +#define BNX2_HC_COM_TICKS_7_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_7_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_7 0x00006af4 +#define BNX2_HC_CMD_TICKS_7_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_7_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_7 0x00006af8 +#define BNX2_HC_PERIODIC_TICKS_7_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_7_HC_INT_PERIODIC_TICKS (0xffffL<<16) + +#define BNX2_HC_SB_CONFIG_8 0x00006afc +#define BNX2_HC_SB_CONFIG_8_RX_TMR_MODE (1L<<1) +#define BNX2_HC_SB_CONFIG_8_TX_TMR_MODE (1L<<2) +#define BNX2_HC_SB_CONFIG_8_COM_TMR_MODE (1L<<3) +#define BNX2_HC_SB_CONFIG_8_CMD_TMR_MODE (1L<<4) +#define BNX2_HC_SB_CONFIG_8_PER_MODE (1L<<16) +#define BNX2_HC_SB_CONFIG_8_ONE_SHOT (1L<<17) +#define BNX2_HC_SB_CONFIG_8_USE_INT_PARAM (1L<<18) +#define BNX2_HC_SB_CONFIG_8_PER_COLLECT_LIMIT (0xfL<<20) + +#define BNX2_HC_TX_QUICK_CONS_TRIP_8 0x00006b00 +#define BNX2_HC_TX_QUICK_CONS_TRIP_8_VALUE (0xffL<<0) +#define BNX2_HC_TX_QUICK_CONS_TRIP_8_INT (0xffL<<16) + +#define BNX2_HC_COMP_PROD_TRIP_8 0x00006b04 +#define BNX2_HC_COMP_PROD_TRIP_8_VALUE (0xffL<<0) +#define BNX2_HC_COMP_PROD_TRIP_8_INT (0xffL<<16) + +#define BNX2_HC_RX_QUICK_CONS_TRIP_8 0x00006b08 +#define BNX2_HC_RX_QUICK_CONS_TRIP_8_VALUE (0xffL<<0) +#define BNX2_HC_RX_QUICK_CONS_TRIP_8_INT (0xffL<<16) + +#define BNX2_HC_RX_TICKS_8 0x00006b0c +#define BNX2_HC_RX_TICKS_8_VALUE (0x3ffL<<0) +#define BNX2_HC_RX_TICKS_8_INT (0x3ffL<<16) + +#define BNX2_HC_TX_TICKS_8 0x00006b10 +#define BNX2_HC_TX_TICKS_8_VALUE (0x3ffL<<0) +#define BNX2_HC_TX_TICKS_8_INT (0x3ffL<<16) + +#define BNX2_HC_COM_TICKS_8 0x00006b14 +#define BNX2_HC_COM_TICKS_8_VALUE (0x3ffL<<0) +#define BNX2_HC_COM_TICKS_8_INT (0x3ffL<<16) + +#define BNX2_HC_CMD_TICKS_8 0x00006b18 +#define BNX2_HC_CMD_TICKS_8_VALUE (0x3ffL<<0) +#define BNX2_HC_CMD_TICKS_8_INT (0x3ffL<<16) + +#define BNX2_HC_PERIODIC_TICKS_8 0x00006b1c +#define BNX2_HC_PERIODIC_TICKS_8_HC_PERIODIC_TICKS (0xffffL<<0) +#define BNX2_HC_PERIODIC_TICKS_8_HC_INT_PERIODIC_TICKS (0xffffL<<16) /* @@ -4228,7 +5481,7 @@ struct l2_fhdr { #define BNX2_TXP_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_TXP_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_TXP_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_TXP_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_TXP_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_TXP_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_TXP_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_TXP_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4276,7 +5529,7 @@ struct l2_fhdr { #define BNX2_TXP_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_TXP_CPU_REG_FILE 0x00045200 -#define BNX2_TXP_FTQ_DATA 0x000453c0 +#define BNX2_TXP_TXPQ 0x000453c0 #define BNX2_TXP_FTQ_CMD 0x000453f8 #define BNX2_TXP_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_TXP_FTQ_CMD_WR_TOP (1L<<10) @@ -4323,7 +5576,7 @@ struct l2_fhdr { #define BNX2_TPAT_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_TPAT_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_TPAT_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_TPAT_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_TPAT_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_TPAT_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_TPAT_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_TPAT_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4371,7 +5624,7 @@ struct l2_fhdr { #define BNX2_TPAT_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_TPAT_CPU_REG_FILE 0x00085200 -#define BNX2_TPAT_FTQ_DATA 0x000853c0 +#define BNX2_TPAT_TPATQ 0x000853c0 #define BNX2_TPAT_FTQ_CMD 0x000853f8 #define BNX2_TPAT_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_TPAT_FTQ_CMD_WR_TOP (1L<<10) @@ -4418,7 +5671,7 @@ struct l2_fhdr { #define BNX2_RXP_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_RXP_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_RXP_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_RXP_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_RXP_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_RXP_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_RXP_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_RXP_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4466,7 +5719,29 @@ struct l2_fhdr { #define BNX2_RXP_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_RXP_CPU_REG_FILE 0x000c5200 -#define BNX2_RXP_CFTQ_DATA 0x000c5380 +#define BNX2_RXP_PFE_PFE_CTL 0x000c537c +#define BNX2_RXP_PFE_PFE_CTL_INC_USAGE_CNT (1L<<0) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE (0xfL<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_0 (0L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_1 (1L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_2 (2L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_3 (3L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_4 (4L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_5 (5L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_6 (6L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_7 (7L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_8 (8L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_9 (9L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_10 (10L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_11 (11L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_12 (12L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_13 (13L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_14 (14L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_SIZE_15 (15L<<4) +#define BNX2_RXP_PFE_PFE_CTL_PFE_COUNT (0xfL<<12) +#define BNX2_RXP_PFE_PFE_CTL_OFFSET (0x1ffL<<16) + +#define BNX2_RXP_RXPCQ 0x000c5380 #define BNX2_RXP_CFTQ_CMD 0x000c53b8 #define BNX2_RXP_CFTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_RXP_CFTQ_CMD_WR_TOP (1L<<10) @@ -4487,7 +5762,7 @@ struct l2_fhdr { #define BNX2_RXP_CFTQ_CTL_MAX_DEPTH (0x3ffL<<12) #define BNX2_RXP_CFTQ_CTL_CUR_DEPTH (0x3ffL<<22) -#define BNX2_RXP_FTQ_DATA 0x000c53c0 +#define BNX2_RXP_RXPQ 0x000c53c0 #define BNX2_RXP_FTQ_CMD 0x000c53f8 #define BNX2_RXP_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_RXP_FTQ_CMD_WR_TOP (1L<<10) @@ -4515,6 +5790,10 @@ struct l2_fhdr { * com_reg definition * offset: 0x100000 */ +#define BNX2_COM_CKSUM_ERROR_STATUS 0x00100000 +#define BNX2_COM_CKSUM_ERROR_STATUS_CALCULATED (0xffffL<<0) +#define BNX2_COM_CKSUM_ERROR_STATUS_EXPECTED (0xffffL<<16) + #define BNX2_COM_CPU_MODE 0x00105000 #define BNX2_COM_CPU_MODE_LOCAL_RST (1L<<0) #define BNX2_COM_CPU_MODE_STEP_ENA (1L<<1) @@ -4534,7 +5813,7 @@ struct l2_fhdr { #define BNX2_COM_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_COM_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_COM_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_COM_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_COM_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_COM_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_COM_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_COM_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4582,7 +5861,29 @@ struct l2_fhdr { #define BNX2_COM_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_COM_CPU_REG_FILE 0x00105200 -#define BNX2_COM_COMXQ_FTQ_DATA 0x00105340 +#define BNX2_COM_COMTQ_PFE_PFE_CTL 0x001052bc +#define BNX2_COM_COMTQ_PFE_PFE_CTL_INC_USAGE_CNT (1L<<0) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE (0xfL<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_0 (0L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_1 (1L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_2 (2L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_3 (3L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_4 (4L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_5 (5L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_6 (6L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_7 (7L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_8 (8L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_9 (9L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_10 (10L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_11 (11L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_12 (12L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_13 (13L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_14 (14L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_SIZE_15 (15L<<4) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_PFE_COUNT (0xfL<<12) +#define BNX2_COM_COMTQ_PFE_PFE_CTL_OFFSET (0x1ffL<<16) + +#define BNX2_COM_COMXQ 0x00105340 #define BNX2_COM_COMXQ_FTQ_CMD 0x00105378 #define BNX2_COM_COMXQ_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_COM_COMXQ_FTQ_CMD_WR_TOP (1L<<10) @@ -4603,7 +5904,7 @@ struct l2_fhdr { #define BNX2_COM_COMXQ_FTQ_CTL_MAX_DEPTH (0x3ffL<<12) #define BNX2_COM_COMXQ_FTQ_CTL_CUR_DEPTH (0x3ffL<<22) -#define BNX2_COM_COMTQ_FTQ_DATA 0x00105380 +#define BNX2_COM_COMTQ 0x00105380 #define BNX2_COM_COMTQ_FTQ_CMD 0x001053b8 #define BNX2_COM_COMTQ_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_COM_COMTQ_FTQ_CMD_WR_TOP (1L<<10) @@ -4624,7 +5925,7 @@ struct l2_fhdr { #define BNX2_COM_COMTQ_FTQ_CTL_MAX_DEPTH (0x3ffL<<12) #define BNX2_COM_COMTQ_FTQ_CTL_CUR_DEPTH (0x3ffL<<22) -#define BNX2_COM_COMQ_FTQ_DATA 0x001053c0 +#define BNX2_COM_COMQ 0x001053c0 #define BNX2_COM_COMQ_FTQ_CMD 0x001053f8 #define BNX2_COM_COMQ_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_COM_COMQ_FTQ_CMD_WR_TOP (1L<<10) @@ -4654,6 +5955,10 @@ struct l2_fhdr { * cp_reg definition * offset: 0x180000 */ +#define BNX2_CP_CKSUM_ERROR_STATUS 0x00180000 +#define BNX2_CP_CKSUM_ERROR_STATUS_CALCULATED (0xffffL<<0) +#define BNX2_CP_CKSUM_ERROR_STATUS_EXPECTED (0xffffL<<16) + #define BNX2_CP_CPU_MODE 0x00185000 #define BNX2_CP_CPU_MODE_LOCAL_RST (1L<<0) #define BNX2_CP_CPU_MODE_STEP_ENA (1L<<1) @@ -4673,7 +5978,7 @@ struct l2_fhdr { #define BNX2_CP_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_CP_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_CP_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_CP_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_CP_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_CP_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_CP_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_CP_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4721,7 +6026,29 @@ struct l2_fhdr { #define BNX2_CP_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_CP_CPU_REG_FILE 0x00185200 -#define BNX2_CP_CPQ_FTQ_DATA 0x001853c0 +#define BNX2_CP_CPQ_PFE_PFE_CTL 0x001853bc +#define BNX2_CP_CPQ_PFE_PFE_CTL_INC_USAGE_CNT (1L<<0) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE (0xfL<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_0 (0L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_1 (1L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_2 (2L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_3 (3L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_4 (4L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_5 (5L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_6 (6L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_7 (7L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_8 (8L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_9 (9L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_10 (10L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_11 (11L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_12 (12L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_13 (13L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_14 (14L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_SIZE_15 (15L<<4) +#define BNX2_CP_CPQ_PFE_PFE_CTL_PFE_COUNT (0xfL<<12) +#define BNX2_CP_CPQ_PFE_PFE_CTL_OFFSET (0x1ffL<<16) + +#define BNX2_CP_CPQ 0x001853c0 #define BNX2_CP_CPQ_FTQ_CMD 0x001853f8 #define BNX2_CP_CPQ_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_CP_CPQ_FTQ_CMD_WR_TOP (1L<<10) @@ -4749,6 +6076,59 @@ struct l2_fhdr { * mcp_reg definition * offset: 0x140000 */ +#define BNX2_MCP_MCP_CONTROL 0x00140080 +#define BNX2_MCP_MCP_CONTROL_SMBUS_SEL (1L<<30) +#define BNX2_MCP_MCP_CONTROL_MCP_ISOLATE (1L<<31) + +#define BNX2_MCP_MCP_ATTENTION_STATUS 0x00140084 +#define BNX2_MCP_MCP_ATTENTION_STATUS_DRV_DOORBELL (1L<<29) +#define BNX2_MCP_MCP_ATTENTION_STATUS_WATCHDOG_TIMEOUT (1L<<30) +#define BNX2_MCP_MCP_ATTENTION_STATUS_CPU_EVENT (1L<<31) + +#define BNX2_MCP_MCP_HEARTBEAT_CONTROL 0x00140088 +#define BNX2_MCP_MCP_HEARTBEAT_CONTROL_MCP_HEARTBEAT_ENABLE (1L<<31) + +#define BNX2_MCP_MCP_HEARTBEAT_STATUS 0x0014008c +#define BNX2_MCP_MCP_HEARTBEAT_STATUS_MCP_HEARTBEAT_PERIOD (0x7ffL<<0) +#define BNX2_MCP_MCP_HEARTBEAT_STATUS_VALID (1L<<31) + +#define BNX2_MCP_MCP_HEARTBEAT 0x00140090 +#define BNX2_MCP_MCP_HEARTBEAT_MCP_HEARTBEAT_COUNT (0x3fffffffL<<0) +#define BNX2_MCP_MCP_HEARTBEAT_MCP_HEARTBEAT_INC (1L<<30) +#define BNX2_MCP_MCP_HEARTBEAT_MCP_HEARTBEAT_RESET (1L<<31) + +#define BNX2_MCP_WATCHDOG_RESET 0x00140094 +#define BNX2_MCP_WATCHDOG_RESET_WATCHDOG_RESET (1L<<31) + +#define BNX2_MCP_WATCHDOG_CONTROL 0x00140098 +#define BNX2_MCP_WATCHDOG_CONTROL_WATCHDOG_TIMEOUT (0xfffffffL<<0) +#define BNX2_MCP_WATCHDOG_CONTROL_WATCHDOG_ATTN (1L<<29) +#define BNX2_MCP_WATCHDOG_CONTROL_MCP_RST_ENABLE (1L<<30) +#define BNX2_MCP_WATCHDOG_CONTROL_WATCHDOG_ENABLE (1L<<31) + +#define BNX2_MCP_ACCESS_LOCK 0x0014009c +#define BNX2_MCP_ACCESS_LOCK_LOCK (1L<<31) + +#define BNX2_MCP_TOE_ID 0x001400a0 +#define BNX2_MCP_TOE_ID_FUNCTION_ID (1L<<31) + +#define BNX2_MCP_MAILBOX_CFG 0x001400a4 +#define BNX2_MCP_MAILBOX_CFG_MAILBOX_OFFSET (0x3fffL<<0) +#define BNX2_MCP_MAILBOX_CFG_MAILBOX_SIZE (0xfffL<<20) + +#define BNX2_MCP_MAILBOX_CFG_OTHER_FUNC 0x001400a8 +#define BNX2_MCP_MAILBOX_CFG_OTHER_FUNC_MAILBOX_OFFSET (0x3fffL<<0) +#define BNX2_MCP_MAILBOX_CFG_OTHER_FUNC_MAILBOX_SIZE (0xfffL<<20) + +#define BNX2_MCP_MCP_DOORBELL 0x001400ac +#define BNX2_MCP_MCP_DOORBELL_MCP_DOORBELL (1L<<31) + +#define BNX2_MCP_DRIVER_DOORBELL 0x001400b0 +#define BNX2_MCP_DRIVER_DOORBELL_DRIVER_DOORBELL (1L<<31) + +#define BNX2_MCP_DRIVER_DOORBELL_OTHER_FUNC 0x001400b4 +#define BNX2_MCP_DRIVER_DOORBELL_OTHER_FUNC_DRIVER_DOORBELL (1L<<31) + #define BNX2_MCP_CPU_MODE 0x00145000 #define BNX2_MCP_CPU_MODE_LOCAL_RST (1L<<0) #define BNX2_MCP_CPU_MODE_STEP_ENA (1L<<1) @@ -4768,7 +6148,7 @@ struct l2_fhdr { #define BNX2_MCP_CPU_STATE_PAGE_0_DATA_HALTED (1L<<3) #define BNX2_MCP_CPU_STATE_PAGE_0_INST_HALTED (1L<<4) #define BNX2_MCP_CPU_STATE_BAD_DATA_ADDR_HALTED (1L<<5) -#define BNX2_MCP_CPU_STATE_BAD_pc_HALTED (1L<<6) +#define BNX2_MCP_CPU_STATE_BAD_PC_HALTED (1L<<6) #define BNX2_MCP_CPU_STATE_ALIGN_HALTED (1L<<7) #define BNX2_MCP_CPU_STATE_FIO_ABORT_HALTED (1L<<8) #define BNX2_MCP_CPU_STATE_SOFT_HALTED (1L<<10) @@ -4816,7 +6196,7 @@ struct l2_fhdr { #define BNX2_MCP_CPU_LAST_BRANCH_ADDR_LBA (0x3fffffffL<<2) #define BNX2_MCP_CPU_REG_FILE 0x00145200 -#define BNX2_MCP_MCPQ_FTQ_DATA 0x001453c0 +#define BNX2_MCP_MCPQ 0x001453c0 #define BNX2_MCP_MCPQ_FTQ_CMD 0x001453f8 #define BNX2_MCP_MCPQ_FTQ_CMD_OFFSET (0x3ffL<<0) #define BNX2_MCP_MCPQ_FTQ_CMD_WR_TOP (1L<<10) @@ -4971,6 +6351,7 @@ struct l2_fhdr { #define INVALID_CID_ADDR 0xffffffff #define TX_CID 16 +#define TX_TSS_CID 32 #define RX_CID 0 #define MB_TX_CID_ADDR MB_GET_CID_ADDR(TX_CID) @@ -5056,6 +6437,8 @@ struct bnx2 { u32 tx_prod_bseq __attribute__((aligned(L1_CACHE_BYTES))); u16 tx_prod; + u32 tx_bidx_addr; + u32 tx_bseq_addr; u16 tx_cons __attribute__((aligned(L1_CACHE_BYTES))); u16 hw_tx_cons; @@ -5112,6 +6495,7 @@ struct bnx2 { #define CHIP_NUM(bp) (((bp)->chip_id) & 0xffff0000) #define CHIP_NUM_5706 0x57060000 #define CHIP_NUM_5708 0x57080000 +#define CHIP_NUM_5709 0x57090000 #define CHIP_REV(bp) (((bp)->chip_id) & 0x0000f000) #define CHIP_REV_Ax 0x00000000 @@ -5174,6 +6558,10 @@ struct bnx2 { struct statistics_block *stats_blk; dma_addr_t stats_blk_mapping; + int ctx_pages; + void *ctx_blk[4]; + dma_addr_t ctx_blk_mapping[4]; + u32 hc_cmd; u32 rx_mode; -- cgit v1.2.3 From 59b47d8ad35b9858d63d6fd3db76e698e4a98f36 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:10:45 -0800 Subject: [BNX2]: Add 5709 init code. Add basic support to initialize the 5709 chip. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 167 +++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 130 insertions(+), 37 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 2633579b8c4..baad015b3d6 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -236,8 +236,23 @@ static void bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) { offset += cid_addr; - REG_WR(bp, BNX2_CTX_DATA_ADR, offset); - REG_WR(bp, BNX2_CTX_DATA, val); + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + int i; + + REG_WR(bp, BNX2_CTX_CTX_DATA, val); + REG_WR(bp, BNX2_CTX_CTX_CTRL, + offset | BNX2_CTX_CTX_CTRL_WRITE_REQ); + for (i = 0; i < 5; i++) { + u32 val; + val = REG_RD(bp, BNX2_CTX_CTX_CTRL); + if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0) + break; + udelay(5); + } + } else { + REG_WR(bp, BNX2_CTX_DATA_ADR, offset); + REG_WR(bp, BNX2_CTX_DATA, val); + } } static int @@ -403,6 +418,14 @@ bnx2_free_mem(struct bnx2 *bp) { int i; + for (i = 0; i < bp->ctx_pages; i++) { + if (bp->ctx_blk[i]) { + pci_free_consistent(bp->pdev, BCM_PAGE_SIZE, + bp->ctx_blk[i], + bp->ctx_blk_mapping[i]); + bp->ctx_blk[i] = NULL; + } + } if (bp->status_blk) { pci_free_consistent(bp->pdev, bp->status_stats_size, bp->status_blk, bp->status_blk_mapping); @@ -481,6 +504,18 @@ bnx2_alloc_mem(struct bnx2 *bp) bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE; + if (bp->ctx_pages == 0) + bp->ctx_pages = 1; + for (i = 0; i < bp->ctx_pages; i++) { + bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev, + BCM_PAGE_SIZE, + &bp->ctx_blk_mapping[i]); + if (bp->ctx_blk[i] == NULL) + goto alloc_mem_err; + } + } return 0; alloc_mem_err: @@ -803,13 +838,13 @@ bnx2_set_mac_link(struct bnx2 *bp) val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | - BNX2_EMAC_MODE_25G); + BNX2_EMAC_MODE_25G_MODE); if (bp->link_up) { switch (bp->line_speed) { case SPEED_10: - if (CHIP_NUM(bp) == CHIP_NUM_5708) { - val |= BNX2_EMAC_MODE_PORT_MII_10; + if (CHIP_NUM(bp) != CHIP_NUM_5706) { + val |= BNX2_EMAC_MODE_PORT_MII_10M; break; } /* fall through */ @@ -817,7 +852,7 @@ bnx2_set_mac_link(struct bnx2 *bp) val |= BNX2_EMAC_MODE_PORT_MII; break; case SPEED_2500: - val |= BNX2_EMAC_MODE_25G; + val |= BNX2_EMAC_MODE_25G_MODE; /* fall through */ case SPEED_1000: val |= BNX2_EMAC_MODE_PORT_GMII; @@ -1263,9 +1298,8 @@ bnx2_init_5706s_phy(struct bnx2 *bp) { bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG; - if (CHIP_NUM(bp) == CHIP_NUM_5706) { - REG_WR(bp, BNX2_MISC_UNUSED0, 0x300); - } + if (CHIP_NUM(bp) == CHIP_NUM_5706) + REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300); if (bp->dev->mtu > 1500) { u32 val; @@ -1408,7 +1442,7 @@ bnx2_set_phy_loopback(struct bnx2 *bp) mac_mode = REG_RD(bp, BNX2_EMAC_MODE); mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | - BNX2_EMAC_MODE_25G); + BNX2_EMAC_MODE_25G_MODE); mac_mode |= BNX2_EMAC_MODE_PORT_GMII; REG_WR(bp, BNX2_EMAC_MODE, mac_mode); @@ -1459,6 +1493,40 @@ bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent) return 0; } +static int +bnx2_init_5709_context(struct bnx2 *bp) +{ + int i, ret = 0; + u32 val; + + val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12); + val |= (BCM_PAGE_BITS - 8) << 16; + REG_WR(bp, BNX2_CTX_COMMAND, val); + for (i = 0; i < bp->ctx_pages; i++) { + int j; + + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0, + (bp->ctx_blk_mapping[i] & 0xffffffff) | + BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID); + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1, + (u64) bp->ctx_blk_mapping[i] >> 32); + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i | + BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); + for (j = 0; j < 10; j++) { + + val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL); + if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ)) + break; + udelay(5); + } + if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) { + ret = -EBUSY; + break; + } + } + return ret; +} + static void bnx2_init_context(struct bnx2 *bp) { @@ -1581,9 +1649,8 @@ bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index) return -ENOMEM; } - if (unlikely((align = (unsigned long) skb->data & 0x7))) { - skb_reserve(skb, 8 - align); - } + if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1)))) + skb_reserve(skb, BNX2_RX_ALIGN - align); mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, PCI_DMA_FROMDEVICE); @@ -3282,7 +3349,10 @@ bnx2_init_chip(struct bnx2 *bp) /* Initialize context mapping and zero out the quick contexts. The * context block must have already been enabled. */ - bnx2_init_context(bp); + if (CHIP_NUM(bp) == CHIP_NUM_5709) + bnx2_init_5709_context(bp); + else + bnx2_init_context(bp); if ((rc = bnx2_init_cpus(bp)) != 0) return rc; @@ -3393,12 +3463,40 @@ bnx2_init_chip(struct bnx2 *bp) return rc; } +static void +bnx2_init_tx_context(struct bnx2 *bp, u32 cid) +{ + u32 val, offset0, offset1, offset2, offset3; + + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + offset0 = BNX2_L2CTX_TYPE_XI; + offset1 = BNX2_L2CTX_CMD_TYPE_XI; + offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; + offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; + } else { + offset0 = BNX2_L2CTX_TYPE; + offset1 = BNX2_L2CTX_CMD_TYPE; + offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; + offset3 = BNX2_L2CTX_TBDR_BHADDR_LO; + } + val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2; + CTX_WR(bp, GET_CID_ADDR(cid), offset0, val); + + val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); + CTX_WR(bp, GET_CID_ADDR(cid), offset1, val); + + val = (u64) bp->tx_desc_mapping >> 32; + CTX_WR(bp, GET_CID_ADDR(cid), offset2, val); + + val = (u64) bp->tx_desc_mapping & 0xffffffff; + CTX_WR(bp, GET_CID_ADDR(cid), offset3, val); +} static void bnx2_init_tx_ring(struct bnx2 *bp) { struct tx_bd *txbd; - u32 val; + u32 cid; bp->tx_wake_thresh = bp->tx_ring_size / 2; @@ -3412,19 +3510,11 @@ bnx2_init_tx_ring(struct bnx2 *bp) bp->hw_tx_cons = 0; bp->tx_prod_bseq = 0; - val = BNX2_L2CTX_TYPE_TYPE_L2; - val |= BNX2_L2CTX_TYPE_SIZE_L2; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val); + cid = TX_CID; + bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX; + bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ; - val = BNX2_L2CTX_CMD_TYPE_TYPE_L2; - val |= 8 << 16; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val); - - val = (u64) bp->tx_desc_mapping >> 32; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val); - - val = (u64) bp->tx_desc_mapping & 0xffffffff; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val); + bnx2_init_tx_context(bp, cid); } static void @@ -3437,8 +3527,8 @@ bnx2_init_rx_ring(struct bnx2 *bp) /* 8 for CRC and VLAN */ bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8; - /* 8 for alignment */ - bp->rx_buf_size = bp->rx_buf_use_size + 8; + /* hw alignment */ + bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; ring_prod = prod = bp->rx_prod = 0; bp->rx_cons = 0; @@ -5542,13 +5632,6 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) goto err_out_release; } - bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); - if (bp->pcix_cap == 0) { - dev_err(&pdev->dev, "Cannot find PCIX capability, aborting.\n"); - rc = -EIO; - goto err_out_release; - } - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { bp->flags |= USING_DAC_FLAG; if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { @@ -5571,7 +5654,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) INIT_WORK(&bp->reset_task, bnx2_reset_task, bp); dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); - mem_len = MB_GET_CID_ADDR(17); + mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1); dev->mem_end = dev->mem_start + mem_len; dev->irq = pdev->irq; @@ -5595,6 +5678,16 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->chip_id = REG_RD(bp, BNX2_MISC_ID); + if (CHIP_NUM(bp) != CHIP_NUM_5709) { + bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); + if (bp->pcix_cap == 0) { + dev_err(&pdev->dev, + "Cannot find PCIX capability, aborting.\n"); + rc = -EIO; + goto err_out_unmap; + } + } + /* Get bus information. */ reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS); if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) { -- cgit v1.2.3 From 234754d5c1ef25bbc64631a420ba66eeb2904633 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:11:41 -0800 Subject: [BNX2]: Add 5709 reset and runtime code. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 61 +++++++++++++++++++++++++++++++++--------------------- 1 file changed, 37 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index baad015b3d6..52fe620e1a4 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -3247,31 +3247,44 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) * before we issue a reset. */ val = REG_RD(bp, BNX2_MISC_ID); - val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | - BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | - BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET); + REG_RD(bp, BNX2_MISC_COMMAND); + udelay(5); - /* Chip reset. */ - REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); + val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | + BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; - if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || - (CHIP_ID(bp) == CHIP_ID_5706_A1)) - msleep(15); + pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val); - /* Reset takes approximate 30 usec */ - for (i = 0; i < 10; i++) { - val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG); - if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | - BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) { - break; + } else { + val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | + BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | + BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; + + /* Chip reset. */ + REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val); + + if ((CHIP_ID(bp) == CHIP_ID_5706_A0) || + (CHIP_ID(bp) == CHIP_ID_5706_A1)) { + current->state = TASK_UNINTERRUPTIBLE; + schedule_timeout(HZ / 50); } - udelay(10); - } - if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | - BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { - printk(KERN_ERR PFX "Chip reset did not complete\n"); - return -EBUSY; + /* Reset takes approximate 30 usec */ + for (i = 0; i < 10; i++) { + val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG); + if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | + BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) + break; + udelay(10); + } + + if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ | + BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { + printk(KERN_ERR PFX "Chip reset did not complete\n"); + return -EBUSY; + } } /* Make sure byte swapping is properly configured. */ @@ -3976,8 +3989,8 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) bp->tx_prod = NEXT_TX_BD(bp->tx_prod); bp->tx_prod_bseq += pkt_size; - REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, bp->tx_prod); - REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq); + REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod); + REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq); udelay(100); @@ -4529,8 +4542,8 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) prod = NEXT_TX_BD(prod); bp->tx_prod_bseq += skb->len; - REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod); - REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq); + REG_WR16(bp, bp->tx_bidx_addr, prod); + REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq); mmiowb(); -- cgit v1.2.3 From b6690cc2bd5e2831f971231a2ff8c4a74b06acc4 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:12:28 -0800 Subject: [BNX2]: New firmware to support 5709 (part 1). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2_fw2.h | 1078 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1078 insertions(+) create mode 100644 drivers/net/bnx2_fw2.h (limited to 'drivers') diff --git a/drivers/net/bnx2_fw2.h b/drivers/net/bnx2_fw2.h new file mode 100644 index 00000000000..b6f4b20c70f --- /dev/null +++ b/drivers/net/bnx2_fw2.h @@ -0,0 +1,1078 @@ +/* bnx2_fw2.h: Broadcom NX2 network driver. + * + * Copyright (c) 2006 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, except as noted below. + * + * This file contains firmware data derived from proprietary unpublished + * source code, Copyright (c) 2006 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware data + * in hexadecimal or equivalent format, provided this copyright notice is + * accompanying it. + */ + +static u8 bnx2_COM_b09FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0xac, 0xfb, 0x2f, 0x45, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xdc, 0x5b, 0x6b, 0x70, + 0x1b, 0xd7, 0x75, 0x3e, 0xfb, 0x00, 0x09, 0x91, 0x10, 0xb5, 0xa4, 0x60, + 0x1a, 0x96, 0x68, 0x07, 0x20, 0x57, 0x22, 0x6a, 0xb1, 0x29, 0x4c, 0x33, + 0x16, 0x9b, 0xc2, 0x12, 0x02, 0x50, 0xae, 0x26, 0xc3, 0x3a, 0x94, 0xcd, + 0xd8, 0x4a, 0xaa, 0xc9, 0x30, 0x00, 0xa5, 0xf4, 0x61, 0xb7, 0x92, 0xab, + 0xa9, 0x5d, 0xd7, 0xaa, 0x21, 0x92, 0x6a, 0xf5, 0x83, 0xe5, 0x2a, 0x16, + 0x43, 0xa9, 0xd3, 0x74, 0xc2, 0x12, 0x56, 0xac, 0x4e, 0x31, 0x85, 0xfc, + 0xd6, 0x38, 0xb1, 0xc9, 0x4a, 0x76, 0xeb, 0xf4, 0xe1, 0xa6, 0x33, 0xcd, + 0xa3, 0x9d, 0x36, 0xf6, 0xa8, 0x3f, 0xea, 0xe9, 0xd3, 0x33, 0x6e, 0xa7, + 0xea, 0xd8, 0x0e, 0xfa, 0x7d, 0x77, 0x77, 0x81, 0x25, 0x48, 0xbd, 0xfc, + 0xc8, 0x8f, 0x70, 0x06, 0xb3, 0x7b, 0xef, 0xde, 0xbd, 0xf7, 0xdc, 0xf3, + 0xf8, 0xce, 0x63, 0x2f, 0xfb, 0x44, 0x5a, 0xc4, 0xfb, 0x5b, 0x8b, 0x5f, + 0xfc, 0xfe, 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0x10, 0x1d, 0x97, 0xd7, + 0xa7, 0x8b, 0xaf, 0x0c, 0x6b, 0xff, 0x5b, 0x9a, 0xef, 0xbb, 0x90, 0xdb, + 0x49, 0x4c, 0x97, 0xe5, 0xa6, 0x67, 0xce, 0xe0, 0x76, 0x9f, 0xad, 0x71, + 0xe1, 0xc4, 0x6d, 0xe0, 0x93, 0xbc, 0x47, 0x05, 0x9f, 0xfe, 0x77, 0x16, + 0xc0, 0xb2, 0x93, 0x05, 0x98, 0x57, 0x84, 0x80, 0xf5, 0x03, 0x03, 0xb4, + 0x8e, 0x39, 0x00, 0x1e, 0x53, 0x68, 0x02, 0xe6, 0x19, 0xa7, 0xf5, 0x40, + 0xfb, 0xfb, 0x95, 0xc1, 0xeb, 0x5d, 0x1b, 0xa0, 0x67, 0x4f, 0x2d, 0xea, + 0x79, 0x2c, 0x07, 0xca, 0xa3, 0x4e, 0x2a, 0x0c, 0x24, 0xe6, 0x27, 0x90, + 0xff, 0x80, 0xfe, 0x00, 0xf9, 0x11, 0x98, 0x9f, 0x9c, 0x81, 0x72, 0xa0, + 0x35, 0x53, 0xcd, 0x6b, 0x40, 0xfa, 0x40, 0x61, 0x08, 0x2a, 0x53, 0x41, + 0x63, 0x1d, 0x40, 0xf6, 0x12, 0x21, 0x68, 0xd8, 0x01, 0x69, 0x20, 0xbb, + 0x79, 0x8a, 0x08, 0x98, 0x9f, 0x14, 0x20, 0xc4, 0xd0, 0x00, 0xcf, 0x4f, + 0xec, 0x40, 0x97, 0xc2, 0xdc, 0xf4, 0xff, 0xff, 0x31, 0x15, 0x16, 0x60, + 0xda, 0x03, 0xad, 0xf9, 0xfc, 0xfd, 0xff, 0x80, 0x08, 0x0b, 0x43, 0x0b, + 0x7c, 0xed, 0x9e, 0xb0, 0x3c, 0xa8, 0x9c, 0x5b, 0x00, 0x64, 0xb5, 0xc1, + 0xeb, 0x6d, 0x16, 0xf0, 0x7d, 0xc4, 0x0b, 0x18, 0x7e, 0x01, 0xcb, 0x95, + 0xff, 0xff, 0x97, 0xc2, 0xd5, 0x82, 0x00, 0x00, 0xd4, 0xc2, 0xcb, 0x42, + 0x60, 0x7c, 0x00, 0x00, 0x00 }; +static u32 bnx2_COM_b09FwData[(0x0/4) + 1] = { 0x0 }; +static u32 bnx2_COM_b09FwRodata[(0x88/4) + 1] = { + 0x08001ad8, 0x08001b14, 0x08001b14, 0x08001b14, 0x08001b14, 0x08001b14, + 0x08001a24, 0x08001b14, 0x08001a98, 0x08001b14, 0x080019ac, 0x08001b14, + 0x08001b14, 0x08001b14, 0x080019b8, 0x0, 0x08002a2c, 0x08002a7c, + 0x08002aac, 0x08002adc, 0x08002b0c, 0x0, 0x08005fac, 0x08005fac, + 0x08005fac, 0x08005fac, 0x08005fac, 0x08005fd8, 0x08005fd8, 0x08006018, + 0x08006024, 0x08006024, 0x08005fac, 0x0, 0x0 }; +static u32 bnx2_COM_b09FwBss[(0x88/4) + 1] = { 0x0 }; +static u32 bnx2_COM_b09FwSbss[(0x5c/4) + 1] = { 0x0 }; + +static struct fw_info bnx2_com_fw_09 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x080000b0, + + .text_addr = 0x08000000, + .text_len = 0x7c5c, + .text_index = 0x0, + .gz_text = bnx2_COM_b09FwText, + .gz_text_len = sizeof(bnx2_COM_b09FwText), + + .data_addr = 0x08007d00, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_COM_b09FwData, + + .sbss_addr = 0x08007d00, + .sbss_len = 0x5c, + .sbss_index = 0x0, + .sbss = bnx2_COM_b09FwSbss, + + .bss_addr = 0x08007d60, + .bss_len = 0x88, + .bss_index = 0x0, + .bss = bnx2_COM_b09FwBss, + + .rodata_addr = 0x08007c60, + .rodata_len = 0x88, + .rodata_index = 0x0, + .rodata = bnx2_COM_b09FwRodata, +}; + -- cgit v1.2.3 From fc2a0bca102bab668badf2e5bfc3012441dd051f Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:12:55 -0800 Subject: [BNX2]: New firmware to support 5709 (part 2). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2_fw2.h | 1259 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1259 insertions(+) (limited to 'drivers') diff --git a/drivers/net/bnx2_fw2.h b/drivers/net/bnx2_fw2.h index b6f4b20c70f..66ff441bf2d 100644 --- a/drivers/net/bnx2_fw2.h +++ b/drivers/net/bnx2_fw2.h @@ -1076,3 +1076,1262 @@ static struct fw_info bnx2_com_fw_09 = { .rodata = bnx2_COM_b09FwRodata, }; +static u8 bnx2_CP_b09FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x8e, 0xfc, 0x2f, 0x45, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xbd, 0x7d, 0x0d, 0x74, + 0x5c, 0x57, 0x7d, 0xe7, 0xff, 0xdd, 0x79, 0x92, 0xc6, 0xb2, 0x2c, 0x3f, + 0xcb, 0x63, 0x65, 0x22, 0x0b, 0x7b, 0x46, 0x7a, 0xb2, 0x95, 0x58, 0x64, + 0xc7, 0xae, 0x00, 0x6d, 0x3b, 0x85, 0xe9, 0x48, 0xb2, 0x9d, 0x0f, 0x8a, + 0x4c, 0x44, 0x4f, 0x5a, 0xe8, 0x22, 0xc6, 0x76, 0x48, 0x80, 0xb2, 0x4e, + 0x09, 0x69, 0x80, 0x04, 0x0f, 0x23, 0xf9, 0x83, 0x74, 0xec, 0x51, 0x12, + 0xc5, 0x76, 0x4f, 0x73, 0x58, 0x55, 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0xcc, 0xd3, 0x47, 0xca, 0x9c, 0xef, + 0x6d, 0x32, 0x71, 0xbc, 0x9a, 0x66, 0xa7, 0xed, 0xde, 0x31, 0xd2, 0x0f, + 0x9e, 0x52, 0x32, 0x3f, 0xad, 0xc7, 0xce, 0x5d, 0xac, 0xc9, 0xc3, 0xb3, + 0xc2, 0xbd, 0xf8, 0xfc, 0x1b, 0x74, 0xdf, 0x68, 0xe5, 0x19, 0x77, 0xde, + 0x8f, 0xd8, 0x5f, 0x09, 0xf7, 0x86, 0xbf, 0xfe, 0x19, 0x10, 0xfd, 0x77, + 0x5d, 0xf4, 0xde, 0x70, 0x4d, 0x7b, 0xd2, 0x76, 0x26, 0xa6, 0x75, 0x84, + 0xa1, 0xf1, 0xf9, 0xbf, 0xe7, 0x22, 0xf2, 0x7f, 0x01, 0x95, 0xf6, 0x2d, + 0x58, 0xd0, 0x73, 0x00, 0x00, 0x00 }; +static u32 bnx2_CP_b09FwData[(0x50/4) + 1] = { + 0x00010030, 0x00000030, 0x00000000, 0x00000001, 0x00010fd0, 0x00000fd0, + 0x00001430, 0x0000007f, 0x00030400, 0x00001000, 0x00000030, 0x00000020, + 0x00050200, 0x00001000, 0x00000030, 0x00000010, 0x00010400, 0x00000400, + 0x00001030, 0x00000020, 0x00000000 }; +static u32 bnx2_CP_b09FwRodata[(0x118/4) + 1] = { + 0x080005d8, 0x080007f8, 0x0800073c, 0x08000764, 0x0800078c, 0x080007b4, + 0x08000610, 0x080005fc, 0x08000820, 0x08000820, 0x0800062c, 0x08000648, + 0x08000648, 0x08000820, 0x08000660, 0x08000674, 0x08000820, 0x08000688, + 0x08000820, 0x08000820, 0x0800069c, 0x08000820, 0x08000820, 0x08000820, + 0x08000820, 0x08000820, 0x08000820, 0x08000820, 0x08000820, 0x08000820, + 0x08000820, 0x080006b0, 0x08000820, 0x080006c4, 0x080006d8, 0x080006ec, + 0x08000820, 0x08000700, 0x08000714, 0x08000728, 0x08003740, 0x08003758, + 0x08003768, 0x08003778, 0x08003790, 0x080037a8, 0x080037b8, 0x080037c8, + 0x080037e8, 0x080037f8, 0x08003808, 0x08003898, 0x080037d8, 0x08003818, + 0x08003828, 0x08003840, 0x08003860, 0x08003898, 0x08003878, 0x08003878, + 0x080055f0, 0x080055f0, 0x080055f0, 0x080055f0, 0x080055f0, 0x08005618, + 0x08005618, 0x08005640, 0x08005690, 0x08005660, 0x00000000 }; +static u32 bnx2_CP_b09FwBss[(0x870/4) + 1] = { 0x0 }; +static u32 bnx2_CP_b09FwSbss[(0xe9/4) + 1] = { 0x0 }; + +static struct fw_info bnx2_cp_fw_09 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x0800006c, + + .text_addr = 0x08000000, + .text_len = 0x73cc, + .text_index = 0x0, + .gz_text = bnx2_CP_b09FwText, + .gz_text_len = sizeof(bnx2_CP_b09FwText), + + .data_addr = 0x08007500, + .data_len = 0x50, + .data_index = 0x0, + .data = bnx2_CP_b09FwData, + + .sbss_addr = 0x08007554, + .sbss_len = 0xe9, + .sbss_index = 0x0, + .sbss = bnx2_CP_b09FwSbss, + + .bss_addr = 0x08007640, + .bss_len = 0x870, + .bss_index = 0x0, + .bss = bnx2_CP_b09FwBss, + + .rodata_addr = 0x080073d0, + .rodata_len = 0x118, + .rodata_index = 0x0, + .rodata = bnx2_CP_b09FwRodata, +}; + -- cgit v1.2.3 From 123d19a3fa4a2c94f9154d04e5355304720020fd Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:13:23 -0800 Subject: [BNX2]: New firmware to support 5709 (part 3). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2_fw2.h | 712 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 712 insertions(+) (limited to 'drivers') diff --git a/drivers/net/bnx2_fw2.h b/drivers/net/bnx2_fw2.h index 66ff441bf2d..abab341546d 100644 --- a/drivers/net/bnx2_fw2.h +++ b/drivers/net/bnx2_fw2.h @@ -2335,3 +2335,715 @@ static struct fw_info bnx2_cp_fw_09 = { .rodata = bnx2_CP_b09FwRodata, }; +static u8 bnx2_RXP_b09FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x19, 0xfd, 0x2f, 0x45, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xec, 0x5c, 0x6b, 0x6c, + 0x1c, 0xd7, 0x75, 0x3e, 0xf3, 0x20, 0xb5, 0xa2, 0xf8, 0x18, 0x2e, 0x57, + 0xcc, 0x4a, 0x66, 0xec, 0x5d, 0x71, 0x24, 0xb2, 0x16, 0x6b, 0x8c, 0xd8, + 0xad, 0x4d, 0x04, 0x6b, 0x7b, 0x33, 0xbb, 0x92, 0x98, 0x54, 0x85, 0x29, + 0x87, 0x75, 0x0c, 0xc3, 0x75, 0xd9, 0xa5, 0x1a, 0xbb, 0xae, 0x51, 0xc8, + 0x8f, 0xc4, 0x06, 0x6a, 0xd6, 0x9b, 0x25, 0xdd, 0xa8, 0xe9, 0x82, 0x43, + 0x4b, 0xaa, 0xe9, 0x02, 0x69, 0xbb, 0x20, 0xa9, 0xc7, 0x8f, 0x85, 0x56, + 0x76, 0x52, 0xc7, 0xf9, 0xe1, 0x48, 0x50, 0x95, 0x20, 0x28, 0x0c, 0x43, + 0x48, 0x8d, 0xd6, 0x3f, 0xda, 0x40, 0x95, 0x9f, 0x68, 0x92, 0x42, 0x41, + 0x0b, 0xc7, 0x68, 0x6c, 0x4f, 0xbf, 0xef, 0xce, 0x0c, 0xb9, 0xa4, 0x5f, + 0x40, 0x7f, 0xf4, 0x4f, 0xe7, 0x02, 0x8b, 0xb9, 0xf7, 0xce, 0x3d, 0xe7, + 0x9e, 0x7b, 0xde, 0xe7, 0x0e, 0xa5, 0xdf, 0xef, 0x94, 0x0e, 0x09, 0x5b, + 0x17, 0x7e, 0x99, 0xc3, 0x8f, 0x3d, 0x74, 0xc3, 0xd8, 0x0d, 0xa3, 0x22, + 0x7b, 0xf6, 0x18, 0x5b, 0x12, 0x7a, 0x34, 0x1f, 0xb7, 0xb8, 0xc5, 0x2d, + 0x6e, 0x71, 0x8b, 0x5b, 0xdc, 0xe2, 0x16, 0xb7, 0xb8, 0xc5, 0x2d, 0x6e, + 0x71, 0x8b, 0x5b, 0xdc, 0xe2, 0x16, 0xb7, 0xb8, 0xc5, 0x2d, 0x6e, 0x71, + 0x8b, 0x5b, 0xdc, 0xe2, 0x16, 0xb7, 0xb8, 0xc5, 0x2d, 0x6e, 0x71, 0x8b, + 0x5b, 0xdc, 0xe2, 0x16, 0xb7, 0xb8, 0xc5, 0x2d, 0x6e, 0x71, 0x8b, 0x5b, + 0xdc, 0xe2, 0x16, 0xb7, 0xb8, 0xc5, 0x2d, 0x6e, 0x71, 0x8b, 0x5b, 0xdc, + 0xe2, 0xf6, 0xff, 0xbd, 0x19, 0x22, 0x16, 0x9f, 0x5d, 0xe1, 0x4f, 0x12, + 0x7a, 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0x17, 0xff, 0x4f, 0x07, 0xe5, + 0x70, 0xbd, 0xcc, 0x2f, 0xb6, 0x35, 0x2d, 0x06, 0x31, 0x5e, 0x47, 0x9e, + 0xc3, 0x5d, 0x54, 0x4c, 0xae, 0xbf, 0x43, 0x2a, 0x0e, 0x6d, 0x5b, 0xca, + 0xef, 0x21, 0x29, 0x63, 0x9e, 0x8a, 0xd3, 0xf4, 0x8d, 0x05, 0x72, 0xb6, + 0x62, 0x3e, 0x98, 0x77, 0xba, 0xbc, 0x1f, 0xef, 0xa8, 0x73, 0x80, 0x99, + 0xa6, 0xf8, 0x7e, 0x11, 0x65, 0xfa, 0x46, 0xe6, 0xf0, 0x4c, 0x84, 0x75, + 0xaf, 0xf5, 0x6b, 0xac, 0x7e, 0xf2, 0x41, 0xbf, 0x99, 0xb2, 0x95, 0xcf, + 0x44, 0xb6, 0x94, 0xf1, 0x8b, 0xf5, 0x7e, 0xca, 0xdc, 0xfd, 0x36, 0x7f, + 0x51, 0xf9, 0x8b, 0xa9, 0x7d, 0x0a, 0xe1, 0xb7, 0x3d, 0xf2, 0x94, 0xc9, + 0xdc, 0xf5, 0xb4, 0x1a, 0x2b, 0xfd, 0x34, 0xcc, 0xd3, 0xdd, 0x52, 0xfb, + 0x2b, 0x6f, 0xf7, 0x07, 0x79, 0xee, 0x1c, 0x7b, 0x67, 0x6e, 0xfb, 0x4e, + 0x3a, 0x61, 0x8e, 0x7b, 0x3b, 0x70, 0xab, 0x56, 0x62, 0xe0, 0x41, 0xc8, + 0x3b, 0xbb, 0x45, 0xf3, 0x63, 0xa1, 0xf6, 0x2f, 0x7f, 0x43, 0xf3, 0x73, + 0xd3, 0xc7, 0xf0, 0xdb, 0x7e, 0xda, 0xb6, 0x94, 0x1b, 0x97, 0x02, 0xbf, + 0x91, 0xb6, 0xa1, 0x21, 0x2b, 0x50, 0x47, 0x5e, 0x05, 0x9f, 0x6c, 0xb7, + 0xe5, 0xdf, 0x7f, 0x01, 0x99, 0xe7, 0xd3, 0x46, 0x40, 0x67, 0x00, 0x00, + 0x00 }; +static u32 bnx2_RXP_b09FwData[(0x0/4) + 1] = { 0x0 }; +static u32 bnx2_RXP_b09FwRodata[(0x278/4) + 1] = { + 0x08003fa4, 0x08003ea4, 0x08003f48, 0x08003f60, 0x08003f78, 0x08003f98, + 0x08003fa4, 0x08003fa4, 0x08003eac, 0x00000000, 0x080049d4, 0x08004a0c, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004a44, 0x08004c08, + 0x08004b50, 0x08004b88, 0x08004c08, 0x08004ad8, 0x08004c08, 0x08004c08, + 0x08004b88, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004bc8, + 0x08004c08, 0x08004bc8, 0x08004b50, 0x08004c08, 0x08004c08, 0x08004bc8, + 0x08004bc8, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, 0x08004c08, + 0x08004ab4, 0x00000000, 0x0800602c, 0x08006044, 0x08006044, 0x08006044, + 0x0800602c, 0x08006044, 0x08006044, 0x08006044, 0x0800602c, 0x08006044, + 0x08006044, 0x08006044, 0x0800602c, 0x08006044, 0x08006044, 0x08006044, + 0x08006038, 0x00000000, 0x00000000 }; +static u32 bnx2_RXP_b09FwBss[(0x13dc/4) + 1] = { 0x0 }; +static u32 bnx2_RXP_b09FwSbss[(0x2c/4) + 1] = { 0x0 }; + +static struct fw_info bnx2_rxp_fw_09 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x08003184, + + .text_addr = 0x08000000, + .text_len = 0x673c, + .text_index = 0x0, + .gz_text = bnx2_RXP_b09FwText, + .gz_text_len = sizeof(bnx2_RXP_b09FwText), + + .data_addr = 0x080069e0, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_RXP_b09FwData, + + .sbss_addr = 0x080069e0, + .sbss_len = 0x2c, + .sbss_index = 0x0, + .sbss = bnx2_RXP_b09FwSbss, + + .bss_addr = 0x08006a10, + .bss_len = 0x13dc, + .bss_index = 0x0, + .bss = bnx2_RXP_b09FwBss, + + .rodata_addr = 0x08006740, + .rodata_len = 0x278, + .rodata_index = 0x0, + .rodata = bnx2_RXP_b09FwRodata, +}; + -- cgit v1.2.3 From 5793bfe19beaa3c804fa2d33af238bf51bf28211 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:13:52 -0800 Subject: [BNX2]: New firmware to support 5709 (part 4). Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2_fw2.h | 1037 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1037 insertions(+) (limited to 'drivers') diff --git a/drivers/net/bnx2_fw2.h b/drivers/net/bnx2_fw2.h index abab341546d..680c769a3fc 100644 --- a/drivers/net/bnx2_fw2.h +++ b/drivers/net/bnx2_fw2.h @@ -3047,3 +3047,1040 @@ static struct fw_info bnx2_rxp_fw_09 = { .rodata = bnx2_RXP_b09FwRodata, }; +static u8 bnx2_TPAT_b09FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0xdb, 0xfd, 0x2f, 0x45, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xc5, 0x58, 0x5d, 0x6c, + 0x1c, 0x57, 0x15, 0x3e, 0xf3, 0xbb, 0x13, 0x77, 0xed, 0xbd, 0x49, 0x97, + 0x6a, 0x13, 0xb9, 0x74, 0xc6, 0x1e, 0x3b, 0x8b, 0x1c, 0x35, 0x93, 0xb0, + 0x24, 0x16, 0x5a, 0xd1, 0xc9, 0xcc, 0xae, 0x6b, 0xe5, 0x29, 0x86, 0xbc, + 0xf1, 0xb2, 0xac, 0xed, 0x46, 0x54, 0x48, 0x4d, 0x51, 0x84, 0x22, 0x81, + 0x94, 0x65, 0x76, 0x53, 0x40, 0x5a, 0x65, 0xc1, 0xa0, 0x04, 0x21, 0x84, + 0x22, 0x9b, 0x66, 0x91, 0x58, 0x3c, 0x4d, 0xe9, 0x6b, 0x94, 0xbc, 0x90, + 0x96, 0x17, 0x9e, 0x4b, 0x9e, 0xac, 0x02, 0x12, 0x0f, 0xa8, 0x8a, 0x78, + 0x40, 0x15, 0x0d, 0x1e, 0xbe, 0x33, 0x3f, 0x9b, 0x5d, 0xd7, 0x29, 0x79, + 0xa8, 0x84, 0xa5, 0xf1, 0xcc, 0xfd, 0x39, 0xf7, 0xe7, 0x7c, 0xdf, 0x77, + 0xee, 0xb9, 0x5b, 0x92, 0x69, 0x82, 0xd2, 0xbf, 0x49, 0x3c, 0x97, 0xbe, + 0x71, 0xf1, 0xd2, 0xe2, 0x8b, 0x27, 0x4d, 0x3a, 0x71, 0xe2, 0x45, 0xe9, + 0x19, 0x43, 0xa6, 0xcf, 0xe0, 0x4f, 0x21, 0x12, 0xd9, 0xf8, 0xfc, 0x90, + 0x21, 0x57, 0x6f, 0x4e, 0x7b, 0x36, 0x19, 0x4a, 0xd5, 0x79, 0x61, 0xd5, + 0x26, 0x72, 0x07, 0x0b, 0xa6, 0x4f, 0xff, 0x89, 0x5a, 0x45, 0x95, 0xb8, + 0xfe, 0xf9, 0xea, 0xa3, 0xe3, 0x77, 0x4e, 0x5b, 0x0f, 0x6f, 0x2a, 0x64, + 0x88, 0x6a, 0xc3, 0x10, 0xf3, 0x64, 0x4c, 0xc3, 0xe6, 0x97, 0x47, 0x57, + 0x34, 0x9a, 0xca, 0xc6, 0x12, 0x14, 0xf4, 0x0c, 0xaa, 0x77, 0x31, 0x8e, + 0x7d, 0x59, 0xf2, 0x43, 0x55, 0xf2, 0x6f, 0x18, 0x24, 0x57, 0x5d, 0xc9, + 0x0b, 0x6d, 0xb4, 0x49, 0xe4, 0x39, 0x39, 0x72, 0x45, 0x14, 0x7d, 0xd3, + 0x91, 0x49, 0xb6, 0x77, 0xa3, 0xd9, 0xb9, 0x25, 0xc9, 0xeb, 0x2f, 0x4b, + 0x7e, 0xdf, 0xe3, 0x7d, 0x63, 0x1d, 0x4b, 0x92, 0xdb, 0xe7, 0x77, 0xd5, + 0xf0, 0xbb, 0x53, 0xd4, 0x28, 0x52, 0x41, 0xb6, 0xd9, 0xd6, 0x24, 0xdf, + 0x59, 0x28, 0x29, 0x34, 0x8b, 0xe7, 0x00, 0xad, 0x3b, 0x94, 0xf7, 0x1c, + 0x52, 0x15, 0x5b, 0x26, 0xbf, 0x28, 0xd1, 0xaf, 0x2b, 0x1a, 0x9e, 0xb3, + 0x52, 0xad, 0xbf, 0x96, 0x8e, 0x53, 0xa4, 0x36, 0xd6, 0xd2, 0x2c, 0xf2, + 0xda, 0x12, 0x7b, 0xcf, 0x59, 0x10, 0x32, 0xcd, 0xe2, 0x99, 0xc4, 0x77, + 0x13, 0xfd, 0x34, 0xf2, 0x2a, 0x7b, 0xdb, 0x0e, 0xe0, 0x1b, 0xeb, 0xc4, + 0x58, 0x5e, 0xbc, 0x0e, 0x13, 0xeb, 0xb0, 0xa9, 0xd3, 0x5b, 0xc6, 0x3e, + 0xe6, 0x4a, 0x4d, 0xd2, 0xa9, 0x13, 0xaf, 0x7d, 0x92, 0x02, 0xa1, 0x50, + 0x70, 0x4c, 0x23, 0xf7, 0x9c, 0x8a, 0xf2, 0x21, 0x6a, 0x09, 0x09, 0x7d, + 0x3a, 0x29, 0x7e, 0x39, 0xb4, 0xeb, 0xa8, 0x2f, 0x50, 0x50, 0x3c, 0x28, + 0xc9, 0xd5, 0xef, 0xa1, 0x7e, 0x4e, 0x34, 0xe9, 0xbb, 0x78, 0x4b, 0x28, + 0x1f, 0xe4, 0xf1, 0x50, 0x96, 0x48, 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.ver_fix = 0x0, + + .start_addr = 0x08000860, + + .text_addr = 0x08000800, + .text_len = 0x1480, + .text_index = 0x0, + .gz_text = bnx2_TPAT_b09FwText, + .gz_text_len = sizeof(bnx2_TPAT_b09FwText), + + .data_addr = 0x08001ca0, + .data_len = 0x0, + .data_index = 0x0, + .data = bnx2_TPAT_b09FwData, + + .sbss_addr = 0x08001ca0, + .sbss_len = 0x34, + .sbss_index = 0x0, + .sbss = bnx2_TPAT_b09FwSbss, + + .bss_addr = 0x08001ce0, + .bss_len = 0x250, + .bss_index = 0x0, + .bss = bnx2_TPAT_b09FwBss, + + .rodata_addr = 0x00000000, + .rodata_len = 0x0, + .rodata_index = 0x0, + .rodata = bnx2_TPAT_b09FwRodata, +}; + +static u8 bnx2_TXP_b09FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x51, 0xfe, 0x2f, 0x45, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xcd, 0x7b, 0x7f, 0x70, + 0x1b, 0xe7, 0x99, 0xde, 0xbb, 0x0b, 0x80, 0x04, 0x29, 0x8a, 0x5a, 0x31, + 0x30, 0x83, 0x38, 0xb4, 0x8d, 0x15, 0x17, 0x34, 0x6d, 0xf2, 0x1c, 0x58, + 0xe5, 0xf9, 0xd8, 0x06, 0xb5, 0xd7, 0xc0, 0x92, 0xa2, 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0x95, 0xf0, 0xb7, 0xa7, 0x8c, 0x01, 0xa8, 0x6b, 0x66, + 0x0a, 0x58, 0xaf, 0xd5, 0xf2, 0xfa, 0xd9, 0x2d, 0xd8, 0x7d, 0x84, 0xbf, + 0x65, 0xc0, 0xdf, 0x23, 0xb0, 0x13, 0xf8, 0xc1, 0xe6, 0x38, 0xaf, 0x59, + 0x4b, 0x04, 0xd7, 0x4c, 0x58, 0xff, 0x1b, 0xed, 0xcc, 0xfa, 0xa1, 0x98, + 0x41, 0x00, 0x00, 0x00 }; +static u32 bnx2_TXP_b09FwData[(0xd0/4) + 1] = { + 0x00000000, 0x00000014, 0x00000014, 0x00000014, 0x00000014, 0x00000010, + 0x00000030, 0x00000030, 0x00000000, 0x00000000, 0x00000000, 0x00000010, + 0x00008000, 0x00000000, 0x00000000, 0x00000000, 0x00008002, 0x00000000, + 0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000005, 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000004, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000006, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000001, 0x00000000, + 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }; +static u32 bnx2_TXP_b09FwRodata[(0x30/4) + 1] = { + 0x08003be8, 0x08003c14, 0x08003c5c, 0x08003c5c, 0x08003ae8, 0x08003b14, + 0x08003b14, 0x08003c5c, 0x08003c5c, 0x08003c5c, 0x08003b7c, 0x00000000, + 0x00000000 }; +static u32 bnx2_TXP_b09FwBss[(0xa20/4) + 1] = { 0x0 }; +static u32 bnx2_TXP_b09FwSbss[(0x80/4) + 1] = { 0x0 }; + +static struct fw_info bnx2_txp_fw_09 = { + .ver_major = 0x1, + .ver_minor = 0x0, + .ver_fix = 0x0, + + .start_addr = 0x08000060, + + .text_addr = 0x08000000, + .text_len = 0x4194, + .text_index = 0x0, + .gz_text = bnx2_TXP_b09FwText, + .gz_text_len = sizeof(bnx2_TXP_b09FwText), + + .data_addr = 0x080041e0, + .data_len = 0xd0, + .data_index = 0x0, + .data = bnx2_TXP_b09FwData, + + .sbss_addr = 0x080042b0, + .sbss_len = 0x80, + .sbss_index = 0x0, + .sbss = bnx2_TXP_b09FwSbss, + + .bss_addr = 0x08004330, + .bss_len = 0xa20, + .bss_index = 0x0, + .bss = bnx2_TXP_b09FwBss, + + .rodata_addr = 0x08004198, + .rodata_len = 0x30, + .rodata_index = 0x0, + .rodata = bnx2_TXP_b09FwRodata, +}; + -- cgit v1.2.3 From d43584c8bf851145ed7ec6d148916a01979040f4 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:14:35 -0800 Subject: [BNX2]: Download 5709 firmware. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 42 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 52fe620e1a4..92897efbc26 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -53,6 +53,7 @@ #include "bnx2.h" #include "bnx2_fw.h" +#include "bnx2_fw2.h" #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " @@ -2410,7 +2411,10 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_RXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw = &bnx2_rxp_fw_06; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + fw = &bnx2_rxp_fw_09; + else + fw = &bnx2_rxp_fw_06; rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) @@ -2430,7 +2434,10 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_TXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw = &bnx2_txp_fw_06; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + fw = &bnx2_txp_fw_09; + else + fw = &bnx2_txp_fw_06; rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) @@ -2450,7 +2457,10 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_TPAT_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw = &bnx2_tpat_fw_06; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + fw = &bnx2_tpat_fw_09; + else + fw = &bnx2_tpat_fw_06; rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) @@ -2470,12 +2480,36 @@ bnx2_init_cpus(struct bnx2 *bp) cpu_reg.spad_base = BNX2_COM_SCRATCH; cpu_reg.mips_view_base = 0x8000000; - fw = &bnx2_com_fw_06; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + fw = &bnx2_com_fw_09; + else + fw = &bnx2_com_fw_06; rc = load_cpu_fw(bp, &cpu_reg, fw); if (rc) goto init_cpu_err; + /* Initialize the Command Processor. */ + cpu_reg.mode = BNX2_CP_CPU_MODE; + cpu_reg.mode_value_halt = BNX2_CP_CPU_MODE_SOFT_HALT; + cpu_reg.mode_value_sstep = BNX2_CP_CPU_MODE_STEP_ENA; + cpu_reg.state = BNX2_CP_CPU_STATE; + cpu_reg.state_value_clear = 0xffffff; + cpu_reg.gpr0 = BNX2_CP_CPU_REG_FILE; + cpu_reg.evmask = BNX2_CP_CPU_EVENT_MASK; + cpu_reg.pc = BNX2_CP_CPU_PROGRAM_COUNTER; + cpu_reg.inst = BNX2_CP_CPU_INSTRUCTION; + cpu_reg.bp = BNX2_CP_CPU_HW_BREAKPOINT; + cpu_reg.spad_base = BNX2_CP_SCRATCH; + cpu_reg.mips_view_base = 0x8000000; + + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + fw = &bnx2_cp_fw_09; + + load_cpu_fw(bp, &cpu_reg, fw); + if (rc) + goto init_cpu_err; + } init_cpu_err: bnx2_gunzip_end(bp); return rc; -- cgit v1.2.3 From bac0dff6cd194f7a28f7e840c9b6a7aa71c6ef97 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:15:05 -0800 Subject: [BNX2]: Add 5709 PCI ID. Add PCI ID and detection for 5709 copper and SerDes chips. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 92897efbc26..157463b4fa9 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -86,6 +86,7 @@ typedef enum { NC370F, BCM5708, BCM5708S, + BCM5709, } board_t; /* indexed by board_t, above */ @@ -99,6 +100,7 @@ static const struct { { "HP NC370F Multifunction Gigabit Server Adapter" }, { "Broadcom NetXtreme II BCM5708 1000Base-T" }, { "Broadcom NetXtreme II BCM5708 1000Base-SX" }, + { "Broadcom NetXtreme II BCM5709 1000Base-T" }, }; static struct pci_device_id bnx2_pci_tbl[] = { @@ -116,6 +118,8 @@ static struct pci_device_id bnx2_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5706S }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5708S, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S }, + { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 }, { 0, } }; @@ -5854,10 +5858,15 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->phy_addr = 1; /* Disable WOL support if we are running on a SERDES chip. */ - if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) { + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + if (CHIP_BOND_ID(bp) != BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) + bp->phy_flags |= PHY_SERDES_FLAG; + } else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) bp->phy_flags |= PHY_SERDES_FLAG; + + if (bp->phy_flags & PHY_SERDES_FLAG) { bp->flags |= NO_WOL_FLAG; - if (CHIP_NUM(bp) == CHIP_NUM_5708) { + if (CHIP_NUM(bp) != CHIP_NUM_5706) { bp->phy_addr = 2; reg = REG_RD_IND(bp, bp->shmem_base + BNX2_SHARED_HW_CFG_CONFIG); -- cgit v1.2.3 From f123bc5f800d528e59684c7faffda88b4dd2d38c Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:15:31 -0800 Subject: [BNX2]: Update version and rel date. Update version to 1.5.1. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 157463b4fa9..fc2f1d1c7ea 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -57,8 +57,8 @@ #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.4.45" -#define DRV_MODULE_RELDATE "September 29, 2006" +#define DRV_MODULE_VERSION "1.5.1" +#define DRV_MODULE_RELDATE "November 15, 2006" #define RUN_AT(x) (jiffies + (x)) -- cgit v1.2.3 From ff1dcadb1b55dbf471c5ed109dbbdf06bd19ef3b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 18:07:29 -0800 Subject: [NET]: Split skb->csum ... into anonymous union of __wsum and __u32 (csum and csum_offset resp.) Signed-off-by: Al Viro Signed-off-by: David S. Miller --- drivers/net/cassini.c | 2 +- drivers/net/e1000/e1000_main.c | 2 +- drivers/net/ixgb/ixgb_main.c | 2 +- drivers/net/myri10ge/myri10ge.c | 2 +- drivers/net/sk98lin/skge.c | 4 ++-- drivers/net/skge.c | 2 +- drivers/net/sky2.c | 2 +- drivers/net/sungem.c | 2 +- drivers/net/sunhme.c | 2 +- 9 files changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 521c5b71023..fd2cc13f7d9 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -2825,7 +2825,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring, u64 csum_start_off, csum_stuff_off; csum_start_off = (u64) (skb->h.raw - skb->data); - csum_stuff_off = (u64) ((skb->h.raw + skb->csum) - skb->data); + csum_stuff_off = csum_start_off + skb->csum_offset; ctrl = TX_DESC_CSUM_EN | CAS_BASE(TX_DESC_CSUM_START, csum_start_off) | diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 7a0828869ec..32dde0adb68 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2826,7 +2826,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, context_desc = E1000_CONTEXT_DESC(*tx_ring, i); context_desc->upper_setup.tcp_fields.tucss = css; - context_desc->upper_setup.tcp_fields.tucso = css + skb->csum; + context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset; context_desc->upper_setup.tcp_fields.tucse = 0; context_desc->tcp_seg_setup.data = 0; context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index e09f575a3a3..7b127212e62 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -1249,7 +1249,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb) if(likely(skb->ip_summed == CHECKSUM_PARTIAL)) { struct ixgb_buffer *buffer_info; css = skb->h.raw - skb->data; - cso = (skb->h.raw + skb->csum) - skb->data; + cso = css + skb->csum_offset; i = adapter->tx_ring.next_to_use; context_desc = IXGB_CONTEXT_DESC(adapter->tx_ring, i); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 806081b5973..36350e6db1c 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1955,7 +1955,7 @@ again: flags = (MXGEFW_FLAGS_NO_TSO | MXGEFW_FLAGS_FIRST); if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { cksum_offset = (skb->h.raw - skb->data); - pseudo_hdr_offset = (skb->h.raw + skb->csum) - skb->data; + pseudo_hdr_offset = cksum_offset + skb->csum_offset; /* If the headers are excessively large, then we must * fall back to a software checksum */ if (unlikely(cksum_offset > 255 || pseudo_hdr_offset > 127)) { diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index a5d41ebc9fb..12cbfd190dd 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -1562,7 +1562,7 @@ struct sk_buff *pMessage) /* pointer to send-message */ if (pMessage->ip_summed == CHECKSUM_PARTIAL) { u16 hdrlen = pMessage->h.raw - pMessage->data; - u16 offset = hdrlen + pMessage->csum; + u16 offset = hdrlen + pMessage->csum_offset; if ((pMessage->h.ipiph->protocol == IPPROTO_UDP ) && (pAC->GIni.GIChipRev == 0) && @@ -1681,7 +1681,7 @@ struct sk_buff *pMessage) /* pointer to send-message */ */ if (pMessage->ip_summed == CHECKSUM_PARTIAL) { u16 hdrlen = pMessage->h.raw - pMessage->data; - u16 offset = hdrlen + pMessage->csum; + u16 offset = hdrlen + pMessage->csum_offset; Control = BMU_STFWD; diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 27b537c8d5e..5513907e839 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2565,7 +2565,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) td->csum_offs = 0; td->csum_start = offset; - td->csum_write = offset + skb->csum; + td->csum_write = offset + skb->csum_offset; } else control = BMU_CHECK; diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 0ef1848b976..842abd9396c 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1350,7 +1350,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) u32 tcpsum; tcpsum = offset << 16; /* sum start */ - tcpsum |= offset + skb->csum; /* sum write */ + tcpsum |= offset + skb->csum_offset; /* sum write */ ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; if (skb->nh.iph->protocol == IPPROTO_UDP) diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 253e96e7ad2..334c6cfd659 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -1030,7 +1030,7 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev) u64 csum_start_off, csum_stuff_off; csum_start_off = (u64) (skb->h.raw - skb->data); - csum_stuff_off = (u64) ((skb->h.raw + skb->csum) - skb->data); + csum_stuff_off = csum_start_off + skb->csum_offset; ctrl = (TXDCTRL_CENAB | (csum_start_off << 15) | diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index 9d7cd130c19..ec432ea879f 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -2272,7 +2272,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev) u32 csum_start_off, csum_stuff_off; csum_start_off = (u32) (skb->h.raw - skb->data); - csum_stuff_off = (u32) ((skb->h.raw + skb->csum) - skb->data); + csum_stuff_off = csum_start_off + skb->csum_offset; tx_flags = (TXFLAG_OWN | TXFLAG_CSENABLE | ((csum_start_off << 14) & TXFLAG_CSBUFBEGIN) | -- cgit v1.2.3 From c972b60bf167a3d2c3da23df2af1eac93229e7cc Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 29 Nov 2006 12:10:46 +0900 Subject: [PATCH] libata: add missing sht->slave_destroy Add missing sht->slave_destroy. Most drivers received this fix in didn't. Fix those four drives. Signed-off-by: Tejun Heo --- drivers/ata/pata_ixp4xx_cf.c | 1 + drivers/ata/pata_marvell.c | 1 + drivers/ata/pata_platform.c | 1 + drivers/ata/pata_winbond.c | 1 + 4 files changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index d2268bfe6f5..14c6a2daf52 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -117,6 +117,7 @@ static struct scsi_host_template ixp4xx_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 25f7a79a8e2..3f53be4607a 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -101,6 +101,7 @@ static struct scsi_host_template marvell_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, /* Use standard CHS mapping rules */ .bios_param = ata_std_bios_param, .resume = ata_scsi_device_resume, diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c index 63d6687f0ba..5ff74e4ce59 100644 --- a/drivers/ata/pata_platform.c +++ b/drivers/ata/pata_platform.c @@ -78,6 +78,7 @@ static struct scsi_host_template pata_platform_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c index 48941d0757e..b02ad1d3afe 100644 --- a/drivers/ata/pata_winbond.c +++ b/drivers/ata/pata_winbond.c @@ -133,6 +133,7 @@ static struct scsi_host_template winbond_sht = { .proc_name = DRV_NAME, .dma_boundary = ATA_DMA_BOUNDARY, .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, }; -- cgit v1.2.3 From 2eab80ac0c96fb98267afeb12a4899801564c75b Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 29 Nov 2006 12:20:26 +0900 Subject: [PATCH] libata: kill unnecessary sht->max_sectors initializations sht->max_sectors is overrided unconditionally in ->slave_configure. There's no reason to set it to any value. Signed-off-by: Tejun Heo --- drivers/ata/ata_generic.c | 1 - drivers/ata/pata_ali.c | 3 --- drivers/ata/pata_amd.c | 1 - drivers/ata/pata_artop.c | 1 - drivers/ata/pata_atiixp.c | 1 - drivers/ata/pata_cmd64x.c | 1 - drivers/ata/pata_cs5520.c | 1 - drivers/ata/pata_cs5530.c | 1 - drivers/ata/pata_cs5535.c | 1 - drivers/ata/pata_cypress.c | 1 - drivers/ata/pata_efar.c | 1 - drivers/ata/pata_hpt366.c | 1 - drivers/ata/pata_hpt37x.c | 1 - drivers/ata/pata_hpt3x2n.c | 1 - drivers/ata/pata_hpt3x3.c | 1 - drivers/ata/pata_isapnp.c | 1 - drivers/ata/pata_it821x.c | 3 --- drivers/ata/pata_ixp4xx_cf.c | 1 - drivers/ata/pata_jmicron.c | 2 -- drivers/ata/pata_legacy.c | 1 - drivers/ata/pata_marvell.c | 1 - drivers/ata/pata_mpiix.c | 1 - drivers/ata/pata_netcell.c | 2 -- drivers/ata/pata_ns87410.c | 1 - drivers/ata/pata_oldpiix.c | 1 - drivers/ata/pata_opti.c | 1 - drivers/ata/pata_optidma.c | 1 - drivers/ata/pata_pcmcia.c | 1 - drivers/ata/pata_pdc2027x.c | 1 - drivers/ata/pata_pdc202xx_old.c | 1 - drivers/ata/pata_platform.c | 1 - drivers/ata/pata_qdi.c | 1 - drivers/ata/pata_radisys.c | 1 - drivers/ata/pata_rz1000.c | 1 - drivers/ata/pata_sc1200.c | 1 - drivers/ata/pata_serverworks.c | 1 - drivers/ata/pata_sil680.c | 1 - drivers/ata/pata_sis.c | 1 - drivers/ata/pata_sl82c105.c | 1 - drivers/ata/pata_triflex.c | 1 - drivers/ata/pata_via.c | 1 - drivers/ata/pata_winbond.c | 1 - drivers/ata/sata_nv.c | 1 - 43 files changed, 49 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index c7e8f033125..908751d27e7 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -109,7 +109,6 @@ static struct scsi_host_template generic_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index ae6d573574c..d25563794c8 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -337,9 +337,6 @@ static struct scsi_host_template ali_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - /* Keep LBA28 counts so large I/O's don't turn LBA48 and PIO - with older controllers. Not locked so will grow on C5 or later */ - .max_sectors = 255, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index d9571206e58..a6b330089f2 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -326,7 +326,6 @@ static struct scsi_host_template amd_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 2cd30761ca1..37bc1323bda 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -307,7 +307,6 @@ static struct scsi_host_template artop_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 7d9e391b0d1..6f6672c5513 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -209,7 +209,6 @@ static struct scsi_host_template atiixp_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c index 3376f3f4bad..15841a56369 100644 --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -268,7 +268,6 @@ static struct scsi_host_template cmd64x_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index f839c0304b3..9f165a8e032 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -159,7 +159,6 @@ static struct scsi_host_template cs5520_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_cs5530.c b/drivers/ata/pata_cs5530.c index 265012b16bb..1c628014dae 100644 --- a/drivers/ata/pata_cs5530.c +++ b/drivers/ata/pata_cs5530.c @@ -173,7 +173,6 @@ static struct scsi_host_template cs5530_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 38c00f62876..73b9b5453a3 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -177,7 +177,6 @@ static struct scsi_host_template cs5535_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 6352bc7df60..e2a95699bae 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -128,7 +128,6 @@ static struct scsi_host_template cy82c693_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 56589834483..edf8a63f50a 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -226,7 +226,6 @@ static struct scsi_host_template efar_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 25d3cd7e74f..2663599a7c0 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -330,7 +330,6 @@ static struct scsi_host_template hpt36x_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 1eeb16f0fb0..47082df7199 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -768,7 +768,6 @@ static struct scsi_host_template hpt37x_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index 47d7664e9ee..f6817b4093a 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -334,7 +334,6 @@ static struct scsi_host_template hpt3x2n_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c index e9fb029f28b..5f1d385eb59 100644 --- a/drivers/ata/pata_hpt3x3.c +++ b/drivers/ata/pata_hpt3x3.c @@ -111,7 +111,6 @@ static struct scsi_host_template hpt3x3_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c index 40ca2b82b7f..a97d55ae95c 100644 --- a/drivers/ata/pata_isapnp.c +++ b/drivers/ata/pata_isapnp.c @@ -27,7 +27,6 @@ static struct scsi_host_template isapnp_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index d57ac741cc0..0b56ff3d1cf 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -666,9 +666,6 @@ static struct scsi_host_template it821x_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - /* 255 sectors to begin with. This is locked in smart mode but not - in pass through */ - .max_sectors = 255, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c index 14c6a2daf52..cb8924109f5 100644 --- a/drivers/ata/pata_ixp4xx_cf.c +++ b/drivers/ata/pata_ixp4xx_cf.c @@ -110,7 +110,6 @@ static struct scsi_host_template ixp4xx_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index c9f0a543b27..2d661cb4df3 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -128,8 +128,6 @@ static struct scsi_host_template jmicron_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - /* Special handling needed if you have sector or LBA48 limits */ - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index b39078b2a47..c7d1738e4e6 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -128,7 +128,6 @@ static struct scsi_host_template legacy_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c index 3f53be4607a..1c810ea0025 100644 --- a/drivers/ata/pata_marvell.c +++ b/drivers/ata/pata_marvell.c @@ -94,7 +94,6 @@ static struct scsi_host_template marvell_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index 752a7418ed5..4ccca938675 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -159,7 +159,6 @@ static struct scsi_host_template mpiix_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_netcell.c b/drivers/ata/pata_netcell.c index 956616789ba..cf7fe037471 100644 --- a/drivers/ata/pata_netcell.c +++ b/drivers/ata/pata_netcell.c @@ -54,8 +54,6 @@ static struct scsi_host_template netcell_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - /* Special handling needed if you have sector or LBA48 limits */ - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c index 428e6b511a2..c3032eb9010 100644 --- a/drivers/ata/pata_ns87410.c +++ b/drivers/ata/pata_ns87410.c @@ -149,7 +149,6 @@ static struct scsi_host_template ns87410_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 1283fb71bd5..10ac3cc1018 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -224,7 +224,6 @@ static struct scsi_host_template oldpiix_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c index 66f561db2ab..c2988b0aa8e 100644 --- a/drivers/ata/pata_opti.c +++ b/drivers/ata/pata_opti.c @@ -171,7 +171,6 @@ static struct scsi_host_template opti_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index d898e42f99e..80d111c569d 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -352,7 +352,6 @@ static struct scsi_host_template optidma_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 999922de476..4ca6fa5dcb4 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -62,7 +62,6 @@ static struct scsi_host_template pcmcia_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index ef854299989..76dd1c935db 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -134,7 +134,6 @@ static struct scsi_host_template pdc2027x_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c index 81a134cca3c..ad691b9e774 100644 --- a/drivers/ata/pata_pdc202xx_old.c +++ b/drivers/ata/pata_pdc202xx_old.c @@ -262,7 +262,6 @@ static struct scsi_host_template pdc202xx_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c index 5ff74e4ce59..443b1d85c6c 100644 --- a/drivers/ata/pata_platform.c +++ b/drivers/ata/pata_platform.c @@ -71,7 +71,6 @@ static struct scsi_host_template pata_platform_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index 314938dea1f..36f621abc39 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -157,7 +157,6 @@ static struct scsi_host_template qdi_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c index 5fe7ffce528..065541d034a 100644 --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -220,7 +220,6 @@ static struct scsi_host_template radisys_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_rz1000.c b/drivers/ata/pata_rz1000.c index 21567aba82d..3677c642c9f 100644 --- a/drivers/ata/pata_rz1000.c +++ b/drivers/ata/pata_rz1000.c @@ -83,7 +83,6 @@ static struct scsi_host_template rz1000_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_sc1200.c b/drivers/ata/pata_sc1200.c index 0c5393a7397..a3b35bc5039 100644 --- a/drivers/ata/pata_sc1200.c +++ b/drivers/ata/pata_sc1200.c @@ -186,7 +186,6 @@ static struct scsi_host_template sc1200_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index 0fa803e6399..f02b6a3b0f1 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -318,7 +318,6 @@ static struct scsi_host_template serverworks_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c index 5d3b42ec8e4..32cf0bfa892 100644 --- a/drivers/ata/pata_sil680.c +++ b/drivers/ata/pata_sil680.c @@ -218,7 +218,6 @@ static struct scsi_host_template sil680_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 695e571540c..916cedb3d75 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -538,7 +538,6 @@ static struct scsi_host_template sis_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index dc1cfc6d805..e94f515ef54 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -230,7 +230,6 @@ static struct scsi_host_template sl82c105_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index ece9cb7c2f4..a142971f130 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -185,7 +185,6 @@ static struct scsi_host_template triflex_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 489bd5796e7..ee93dd0169b 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -288,7 +288,6 @@ static struct scsi_host_template via_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c index b02ad1d3afe..3ea345cde52 100644 --- a/drivers/ata/pata_winbond.c +++ b/drivers/ata/pata_winbond.c @@ -126,7 +126,6 @@ static struct scsi_host_template winbond_sht = { .can_queue = ATA_DEF_QUEUE, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = LIBATA_MAX_PRD, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 27d2225c908..0d316eb3c21 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -321,7 +321,6 @@ static struct scsi_host_template nv_adma_sht = { .can_queue = NV_ADMA_MAX_CPBS, .this_id = ATA_SHT_THIS_ID, .sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN, - .max_sectors = ATA_MAX_SECTORS, .cmd_per_lun = ATA_SHT_CMD_PER_LUN, .emulated = ATA_SHT_EMULATED, .use_clustering = ATA_SHT_USE_CLUSTERING, -- cgit v1.2.3 From 8070217d301d0ceab7d0c255d7b9d796256d37e7 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 17 Nov 2006 16:22:27 +0900 Subject: [PATCH] libata: set IRQF_SHARED for legacy PCI IDE IRQs There are machines out there which share legacy PCI IDE IRQs w/ other devices. libata SFF interrupt/HSM code is ready for shared IRQ and has been setting IRQF_SHARED for devices in native PCI mode. Device in legacy mode is still a PCI device and thus supposedly uses active-low level triggered IRQ. Machines with such setup should be quite rare and w/o this flag libata is likely to fail loading and render the system unuseable. Also, IDE driver has been setting IRQF_SHARED for devices in legacy mode for a looooong time. Signed-off-by: Tejun Heo --- drivers/ata/libata-sff.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 37471d3c1c2..a57de4a5aa4 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -906,6 +906,7 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, return NULL; probe_ent->n_ports = 2; + probe_ent->irq_flags = IRQF_SHARED; if (port_mask & ATA_PORT_PRIMARY) { probe_ent->irq = ATA_PRIMARY_IRQ; -- cgit v1.2.3 From 3d3cca37559e3ab2b574eda11ed5207ccdb8980a Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 16 Nov 2006 10:50:50 +0900 Subject: [PATCH] libata: implement ATA_FLAG_SETXFER_POLLING and use it in pata_via, take #2 This patch implements ATA_FLAG_SETXFER_POLLING and use in pata_via. If this flag is set, transfer mode setting performed by polling not by interrupt. This should help those controllers which raise interrupt before the command is actually complete on SETXFER. Rationale for this approach. * uses existing facility and relatively simple * no busy sleep in the interrupt handler * updating drivers is easy While at it, kill now unused flag ATA_FLAG_SRST in pata_via. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 8 ++++++++ drivers/ata/pata_via.c | 12 ++++++------ 2 files changed, 14 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3fd7c793270..b35fdcb104e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4821,6 +4821,14 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) } } + /* Some controllers show flaky interrupt behavior after + * setting xfer mode. Use polling instead. + */ + if (unlikely(qc->tf.command == ATA_CMD_SET_FEATURES && + qc->tf.feature == SETFEATURES_XFER) && + (ap->flags & ATA_FLAG_SETXFER_POLLING)) + qc->tf.flags |= ATA_TFLAG_POLLING; + /* select the device */ ata_dev_select(ap, qc->dev->devno, 1, 0); diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index ee93dd0169b..a9077b617b8 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -418,7 +418,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Early VIA without UDMA support */ static struct ata_port_info via_mwdma_info = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .port_ops = &via_port_ops @@ -426,7 +426,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Ditto with IRQ masking required */ static struct ata_port_info via_mwdma_info_borked = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .port_ops = &via_port_ops_noirq, @@ -434,7 +434,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* VIA UDMA 33 devices (and borked 66) */ static struct ata_port_info via_udma33_info = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x7, @@ -443,7 +443,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* VIA UDMA 66 devices */ static struct ata_port_info via_udma66_info = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x1f, @@ -452,7 +452,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* VIA UDMA 100 devices */ static struct ata_port_info via_udma100_info = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x3f, @@ -461,7 +461,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) /* UDMA133 with bad AST (All current 133) */ static struct ata_port_info via_udma133_info = { .sht = &via_sht, - .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x7f, /* FIXME: should check north bridge */ -- cgit v1.2.3 From 6a36261e63770ab61422550b774fe949ccca5fa9 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 20 Nov 2006 11:15:47 +0900 Subject: [PATCH] libata: fix READ CAPACITY simulation * READ CAPACITY (16) implementation fixed. Result was shifted by two bytes. Carlos Pardo spotted this problem and submitted preliminary patch. Capacity => 2TB is handled correctly now. (verifid w/ fake capacity) * Use dev->n_sectors instead of re-reading directly from ID data. * Define and use ATA_SCSI_RBUF_SET() which considers rbuf length. This should be done for all simulation functions. Userland can issue any simulated command with arbitrary buffer length. Signed-off-by: Tejun Heo Cc: Carlos Pardo --- drivers/ata/libata-scsi.c | 81 +++++++++++++++++++++-------------------------- 1 file changed, 36 insertions(+), 45 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 56d7e1ea9d7..7ff1adfc729 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1697,6 +1697,22 @@ void ata_scsi_rbuf_fill(struct ata_scsi_args *args, args->done(cmd); } +/** + * ATA_SCSI_RBUF_SET - helper to set values in SCSI response buffer + * @idx: byte index into SCSI response buffer + * @val: value to set + * + * To be used by SCSI command simulator functions. This macros + * expects two local variables, u8 *rbuf and unsigned int buflen, + * are in scope. + * + * LOCKING: + * None. + */ +#define ATA_SCSI_RBUF_SET(idx, val) do { \ + if ((idx) < buflen) rbuf[(idx)] = (u8)(val); \ + } while (0) + /** * ata_scsiop_inq_std - Simulate INQUIRY command * @args: device IDENTIFY data / SCSI command of interest. @@ -2156,67 +2172,42 @@ saving_not_supp: * Simulate READ CAPACITY commands. * * LOCKING: - * spin_lock_irqsave(host lock) + * None. */ - unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, unsigned int buflen) { - u64 n_sectors; - u32 tmp; + u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */ VPRINTK("ENTER\n"); - if (ata_id_has_lba(args->id)) { - if (ata_id_has_lba48(args->id)) - n_sectors = ata_id_u64(args->id, 100); - else - n_sectors = ata_id_u32(args->id, 60); - } else { - /* CHS default translation */ - n_sectors = args->id[1] * args->id[3] * args->id[6]; - - if (ata_id_current_chs_valid(args->id)) - /* CHS current translation */ - n_sectors = ata_id_u32(args->id, 57); - } - - n_sectors--; /* ATA TotalUserSectors - 1 */ - if (args->cmd->cmnd[0] == READ_CAPACITY) { - if( n_sectors >= 0xffffffffULL ) - tmp = 0xffffffff ; /* Return max count on overflow */ - else - tmp = n_sectors ; + if (last_lba >= 0xffffffffULL) + last_lba = 0xffffffff; /* sector count, 32-bit */ - rbuf[0] = tmp >> (8 * 3); - rbuf[1] = tmp >> (8 * 2); - rbuf[2] = tmp >> (8 * 1); - rbuf[3] = tmp; + ATA_SCSI_RBUF_SET(0, last_lba >> (8 * 3)); + ATA_SCSI_RBUF_SET(1, last_lba >> (8 * 2)); + ATA_SCSI_RBUF_SET(2, last_lba >> (8 * 1)); + ATA_SCSI_RBUF_SET(3, last_lba); /* sector size */ - tmp = ATA_SECT_SIZE; - rbuf[6] = tmp >> 8; - rbuf[7] = tmp; - + ATA_SCSI_RBUF_SET(6, ATA_SECT_SIZE >> 8); + ATA_SCSI_RBUF_SET(7, ATA_SECT_SIZE); } else { /* sector count, 64-bit */ - tmp = n_sectors >> (8 * 4); - rbuf[2] = tmp >> (8 * 3); - rbuf[3] = tmp >> (8 * 2); - rbuf[4] = tmp >> (8 * 1); - rbuf[5] = tmp; - tmp = n_sectors; - rbuf[6] = tmp >> (8 * 3); - rbuf[7] = tmp >> (8 * 2); - rbuf[8] = tmp >> (8 * 1); - rbuf[9] = tmp; + ATA_SCSI_RBUF_SET(0, last_lba >> (8 * 7)); + ATA_SCSI_RBUF_SET(1, last_lba >> (8 * 6)); + ATA_SCSI_RBUF_SET(2, last_lba >> (8 * 5)); + ATA_SCSI_RBUF_SET(3, last_lba >> (8 * 4)); + ATA_SCSI_RBUF_SET(4, last_lba >> (8 * 3)); + ATA_SCSI_RBUF_SET(5, last_lba >> (8 * 2)); + ATA_SCSI_RBUF_SET(6, last_lba >> (8 * 1)); + ATA_SCSI_RBUF_SET(7, last_lba); /* sector size */ - tmp = ATA_SECT_SIZE; - rbuf[12] = tmp >> 8; - rbuf[13] = tmp; + ATA_SCSI_RBUF_SET(10, ATA_SECT_SIZE >> 8); + ATA_SCSI_RBUF_SET(11, ATA_SECT_SIZE); } return 0; -- cgit v1.2.3 From a569a30d301e4dbc0ad67a211292edece2da1146 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 21 Nov 2006 10:40:51 +0900 Subject: [PATCH] libata: don't request sense if the port is frozen If EH command is issued to a frozen port, it fails with AC_ERR_SYSTEM. libata used to request sense even when the port is frozen needlessly adding AC_ERR_SYSTEM to err_mask. Don't do it. Signed-off-by: Tejun Heo --- drivers/ata/libata-eh.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 5aa7f0907e8..2aad7b79d6d 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1136,19 +1136,21 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, break; case ATA_DEV_ATAPI: - tmp = atapi_eh_request_sense(qc->dev, - qc->scsicmd->sense_buffer); - if (!tmp) { - /* ATA_QCFLAG_SENSE_VALID is used to tell - * atapi_qc_complete() that sense data is - * already valid. - * - * TODO: interpret sense data and set - * appropriate err_mask. - */ - qc->flags |= ATA_QCFLAG_SENSE_VALID; - } else - qc->err_mask |= tmp; + if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) { + tmp = atapi_eh_request_sense(qc->dev, + qc->scsicmd->sense_buffer); + if (!tmp) { + /* ATA_QCFLAG_SENSE_VALID is used to + * tell atapi_qc_complete() that sense + * data is already valid. + * + * TODO: interpret sense data and set + * appropriate err_mask. + */ + qc->flags |= ATA_QCFLAG_SENSE_VALID; + } else + qc->err_mask |= tmp; + } } if (qc->err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT | AC_ERR_ATA_BUS)) -- cgit v1.2.3 From f84e7e41e1b88547218a3c3b1eb528005e9afdb4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 22 Nov 2006 11:21:31 +0900 Subject: [PATCH] libata: make sure sdev doesn't go away while rescanning ata_scsi_dev_rescan() doesn't synchronize against SCSI device detach and the target sdev might go away in the middle. Fix it. Signed-off-by: Tejun Heo --- drivers/ata/libata-scsi.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 7ff1adfc729..d250858d201 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3181,15 +3181,27 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, void ata_scsi_dev_rescan(void *data) { struct ata_port *ap = data; - struct ata_device *dev; + unsigned long flags; unsigned int i; + spin_lock_irqsave(ap->lock, flags); + for (i = 0; i < ATA_MAX_DEVICES; i++) { - dev = &ap->device[i]; + struct ata_device *dev = &ap->device[i]; + struct scsi_device *sdev = dev->sdev; - if (ata_dev_enabled(dev) && dev->sdev) - scsi_rescan_device(&(dev->sdev->sdev_gendev)); + if (!ata_dev_enabled(dev) || !sdev) + continue; + if (scsi_device_get(sdev)) + continue; + + spin_unlock_irqrestore(ap->lock, flags); + scsi_rescan_device(&(sdev->sdev_gendev)); + scsi_device_put(sdev); + spin_lock_irqsave(ap->lock, flags); } + + spin_unlock_irqrestore(ap->lock, flags); } /** -- cgit v1.2.3 From ea54763f8a7c51b9f8fcb14431812ae63fcbaf96 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 17 Nov 2006 12:06:21 +0900 Subject: [PATCH] libata: move BMDMA host status recording from EH to interrupt handler For certain errors, interrupt handler alter BMDMA host status before entering EH (clears active and intr). Thus altered BMDMA host status value is recorded by BMDMA EH and reported to user. Move BMDMA host status recording from EH to interrupt handler. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 6 ++++++ drivers/ata/libata-sff.c | 3 --- drivers/ata/sata_sil.c | 5 +++++ 3 files changed, 11 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b35fdcb104e..7f53ea725bc 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4937,6 +4937,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) inline unsigned int ata_host_intr (struct ata_port *ap, struct ata_queued_cmd *qc) { + struct ata_eh_info *ehi = &ap->eh_info; u8 status, host_stat = 0; VPRINTK("ata%u: protocol %d task_state %d\n", @@ -4997,6 +4998,11 @@ inline unsigned int ata_host_intr (struct ata_port *ap, ap->ops->irq_clear(ap); ata_hsm_move(ap, qc, status, 0); + + if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || + qc->tf.protocol == ATA_PROT_ATAPI_DMA)) + ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat); + return 1; /* irq handled */ idle_irq: diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index a57de4a5aa4..95ff186f0cc 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -743,7 +743,6 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, ata_postreset_fn_t postreset) { - struct ata_eh_context *ehc = &ap->eh_context; struct ata_queued_cmd *qc; unsigned long flags; int thaw = 0; @@ -763,8 +762,6 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, host_stat = ap->ops->bmdma_status(ap); - ata_ehi_push_desc(&ehc->i, "BMDMA stat 0x%x", host_stat); - /* BMDMA controllers indicate host bus error by * setting DMA_ERR bit and timing out. As it wasn't * really a timeout event, adjust error mask and diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index f844a1faba1..7808d0369d9 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -356,6 +356,7 @@ static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) static void sil_host_intr(struct ata_port *ap, u32 bmdma2) { + struct ata_eh_info *ehi = &ap->eh_info; struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); u8 status; @@ -428,6 +429,10 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) /* kick HSM in the ass */ ata_hsm_move(ap, qc, status, 0); + if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA || + qc->tf.protocol == ATA_PROT_ATAPI_DMA)) + ata_ehi_push_desc(ehi, "BMDMA2 stat 0x%x", bmdma2); + return; err_hsm: -- cgit v1.2.3 From 0f0a3ad3741fd93461fcfb85dc577103c58d9be8 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 17 Nov 2006 12:24:22 +0900 Subject: [PATCH] libata: make sure IRQ is cleared after ata_bmdma_freeze() Now that BMDMA status is recorded in irq handler. ata_bmdma_freeze() is free to manipulate host status. Under certain circumstances, some controllers (ICH7 in enhanced mode w/ IRQ shared) raise IRQ when CTL register is written to and ATA_NIEN doesn't mask it. This patch makes ata_bmdma_freeze() clear all pending IRQs after freezing a port. This change makes explicit clearing in ata_device_add() unnecessary and thus kills it. The removed code was SFF-specific and was in the wrong place. Note that ->freeze() handler is always called under ap->lock held and irq disabled. Even if CTL manipulation causes stuck IRQ, it's cleared immediately. This should be safe (enough) even in SMP environment. More correct solution is to mask the IRQ from IRQ controller but that would be an overkill. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 5 ++--- drivers/ata/libata-sff.c | 8 ++++++++ 2 files changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 7f53ea725bc..47c70392ec4 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5681,9 +5681,8 @@ int ata_device_add(const struct ata_probe_ent *ent) ap->ioaddr.bmdma_addr, irq_line); - ata_chk_status(ap); - host->ops->irq_clear(ap); - ata_eh_freeze_port(ap); /* freeze port before requesting IRQ */ + /* freeze port before requesting IRQ */ + ata_eh_freeze_port(ap); } /* obtain irq, that may be shared between channels */ diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 95ff186f0cc..10ee22ae5c1 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -700,6 +700,14 @@ void ata_bmdma_freeze(struct ata_port *ap) writeb(ap->ctl, (void __iomem *)ioaddr->ctl_addr); else outb(ap->ctl, ioaddr->ctl_addr); + + /* Under certain circumstances, some controllers raise IRQ on + * ATA_NIEN manipulation. Also, many controllers fail to mask + * previously pending IRQ on ATA_NIEN assertion. Clear it. + */ + ata_chk_status(ap); + + ap->ops->irq_clear(ap); } /** -- cgit v1.2.3 From 2432697ba0ce312d60be5009ffe1fa054a761bb9 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:47:09 +0900 Subject: [PATCH] libata: implement ata_exec_internal_sg() Sg'ify ata_exec_internal() and call it ata_exec_internal_sg(). Wrapper function around ata_exec_internal_sg() is implemented to provide ata_exec_internal() interface. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 49 ++++++++++++++++++++++++++++++++++++++++------- drivers/ata/libata.h | 4 ++++ 2 files changed, 46 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 47c70392ec4..0a5103b707c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1042,13 +1042,13 @@ void ata_qc_complete_internal(struct ata_queued_cmd *qc) } /** - * ata_exec_internal - execute libata internal command + * ata_exec_internal_sg - execute libata internal command * @dev: Device to which the command is sent * @tf: Taskfile registers for the command and the result * @cdb: CDB for packet command * @dma_dir: Data tranfer direction of the command - * @buf: Data buffer of the command - * @buflen: Length of data buffer + * @sg: sg list for the data buffer of the command + * @n_elem: Number of sg entries * * Executes libata internal command with timeout. @tf contains * command on entry and result on return. Timeout and error @@ -1062,9 +1062,10 @@ void ata_qc_complete_internal(struct ata_queued_cmd *qc) * RETURNS: * Zero on success, AC_ERR_* mask on failure */ -unsigned ata_exec_internal(struct ata_device *dev, - struct ata_taskfile *tf, const u8 *cdb, - int dma_dir, void *buf, unsigned int buflen) +unsigned ata_exec_internal_sg(struct ata_device *dev, + struct ata_taskfile *tf, const u8 *cdb, + int dma_dir, struct scatterlist *sg, + unsigned int n_elem) { struct ata_port *ap = dev->ap; u8 command = tf->command; @@ -1120,7 +1121,12 @@ unsigned ata_exec_internal(struct ata_device *dev, qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { - ata_sg_init_one(qc, buf, buflen); + unsigned int i, buflen = 0; + + for (i = 0; i < n_elem; i++) + buflen += sg[i].length; + + ata_sg_init(qc, sg, n_elem); qc->nsect = buflen / ATA_SECT_SIZE; } @@ -1203,6 +1209,35 @@ unsigned ata_exec_internal(struct ata_device *dev, return err_mask; } +/** + * ata_exec_internal_sg - execute libata internal command + * @dev: Device to which the command is sent + * @tf: Taskfile registers for the command and the result + * @cdb: CDB for packet command + * @dma_dir: Data tranfer direction of the command + * @buf: Data buffer of the command + * @buflen: Length of data buffer + * + * Wrapper around ata_exec_internal_sg() which takes simple + * buffer instead of sg list. + * + * LOCKING: + * None. Should be called with kernel context, might sleep. + * + * RETURNS: + * Zero on success, AC_ERR_* mask on failure + */ +unsigned ata_exec_internal(struct ata_device *dev, + struct ata_taskfile *tf, const u8 *cdb, + int dma_dir, void *buf, unsigned int buflen) +{ + struct scatterlist sg; + + sg_init_one(&sg, buf, buflen); + + return ata_exec_internal_sg(dev, tf, cdb, dma_dir, &sg, 1); +} + /** * ata_do_simple_cmd - execute simple internal command * @dev: Device to which the command is sent diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 2d532da8c39..ca6f36c1311 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -58,6 +58,10 @@ extern void ata_port_flush_task(struct ata_port *ap); extern unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen); +extern unsigned ata_exec_internal_sg(struct ata_device *dev, + struct ata_taskfile *tf, const u8 *cdb, + int dma_dir, struct scatterlist *sg, + unsigned int n_elem); extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, unsigned int flags, u16 *id); -- cgit v1.2.3 From bd056d7eeb55d696556ee4f5ee2acb67b2d16df4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:47:10 +0900 Subject: [PATCH] libata: separate out rw ATA taskfile building into ata_build_rw_tf() Separate out rw ATA taskfile building from ata_scsi_rw_xlat() into ata_build_rw_tf(). This will be used to improve media error handling. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 133 ++++++++++++++++++++++++++++++++++++++++++++-- drivers/ata/libata-scsi.c | 120 +++++------------------------------------ drivers/ata/libata.h | 4 +- 3 files changed, 145 insertions(+), 112 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 0a5103b707c..4ac53ef0e4b 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -199,7 +199,8 @@ static const u8 ata_rw_cmds[] = { /** * ata_rwcmd_protocol - set taskfile r/w commands and protocol - * @qc: command to examine and configure + * @tf: command to examine and configure + * @dev: device tf belongs to * * Examine the device configuration and tf->flags to calculate * the proper read/write commands and protocol to use. @@ -207,10 +208,8 @@ static const u8 ata_rw_cmds[] = { * LOCKING: * caller. */ -int ata_rwcmd_protocol(struct ata_queued_cmd *qc) +static int ata_rwcmd_protocol(struct ata_taskfile *tf, struct ata_device *dev) { - struct ata_taskfile *tf = &qc->tf; - struct ata_device *dev = qc->dev; u8 cmd; int index, fua, lba48, write; @@ -222,7 +221,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc) if (dev->flags & ATA_DFLAG_PIO) { tf->protocol = ATA_PROT_PIO; index = dev->multi_count ? 0 : 8; - } else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) { + } else if (lba48 && (dev->ap->flags & ATA_FLAG_PIO_LBA48)) { /* Unable to use DMA due to host limitation */ tf->protocol = ATA_PROT_PIO; index = dev->multi_count ? 0 : 8; @@ -282,6 +281,130 @@ u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev) return block; } +/** + * ata_build_rw_tf - Build ATA taskfile for given read/write request + * @tf: Target ATA taskfile + * @dev: ATA device @tf belongs to + * @block: Block address + * @n_block: Number of blocks + * @tf_flags: RW/FUA etc... + * @tag: tag + * + * LOCKING: + * None. + * + * Build ATA taskfile @tf for read/write request described by + * @block, @n_block, @tf_flags and @tag on @dev. + * + * RETURNS: + * + * 0 on success, -ERANGE if the request is too large for @dev, + * -EINVAL if the request is invalid. + */ +int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, + u64 block, u32 n_block, unsigned int tf_flags, + unsigned int tag) +{ + tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + tf->flags |= tf_flags; + + if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | + ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { + /* yay, NCQ */ + if (!lba_48_ok(block, n_block)) + return -ERANGE; + + tf->protocol = ATA_PROT_NCQ; + tf->flags |= ATA_TFLAG_LBA | ATA_TFLAG_LBA48; + + if (tf->flags & ATA_TFLAG_WRITE) + tf->command = ATA_CMD_FPDMA_WRITE; + else + tf->command = ATA_CMD_FPDMA_READ; + + tf->nsect = tag << 3; + tf->hob_feature = (n_block >> 8) & 0xff; + tf->feature = n_block & 0xff; + + tf->hob_lbah = (block >> 40) & 0xff; + tf->hob_lbam = (block >> 32) & 0xff; + tf->hob_lbal = (block >> 24) & 0xff; + tf->lbah = (block >> 16) & 0xff; + tf->lbam = (block >> 8) & 0xff; + tf->lbal = block & 0xff; + + tf->device = 1 << 6; + if (tf->flags & ATA_TFLAG_FUA) + tf->device |= 1 << 7; + } else if (dev->flags & ATA_DFLAG_LBA) { + tf->flags |= ATA_TFLAG_LBA; + + if (lba_28_ok(block, n_block)) { + /* use LBA28 */ + tf->device |= (block >> 24) & 0xf; + } else if (lba_48_ok(block, n_block)) { + if (!(dev->flags & ATA_DFLAG_LBA48)) + return -ERANGE; + + /* use LBA48 */ + tf->flags |= ATA_TFLAG_LBA48; + + tf->hob_nsect = (n_block >> 8) & 0xff; + + tf->hob_lbah = (block >> 40) & 0xff; + tf->hob_lbam = (block >> 32) & 0xff; + tf->hob_lbal = (block >> 24) & 0xff; + } else + /* request too large even for LBA48 */ + return -ERANGE; + + if (unlikely(ata_rwcmd_protocol(tf, dev) < 0)) + return -EINVAL; + + tf->nsect = n_block & 0xff; + + tf->lbah = (block >> 16) & 0xff; + tf->lbam = (block >> 8) & 0xff; + tf->lbal = block & 0xff; + + tf->device |= ATA_LBA; + } else { + /* CHS */ + u32 sect, head, cyl, track; + + /* The request -may- be too large for CHS addressing. */ + if (!lba_28_ok(block, n_block)) + return -ERANGE; + + if (unlikely(ata_rwcmd_protocol(tf, dev) < 0)) + return -EINVAL; + + /* Convert LBA to CHS */ + track = (u32)block / dev->sectors; + cyl = track / dev->heads; + head = track % dev->heads; + sect = (u32)block % dev->sectors + 1; + + DPRINTK("block %u track %u cyl %u head %u sect %u\n", + (u32)block, track, cyl, head, sect); + + /* Check whether the converted CHS can fit. + Cylinder: 0-65535 + Head: 0-15 + Sector: 1-255*/ + if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) + return -ERANGE; + + tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ + tf->lbal = sect; + tf->lbam = cyl; + tf->lbah = cyl >> 8; + tf->device |= head; + } + + return 0; +} + /** * ata_pack_xfermask - Pack pio, mwdma and udma masks into xfer_mask * @pio_mask: pio_mask diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index d250858d201..8eaace94d96 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1265,17 +1265,14 @@ nothing_to_do: static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicmd) { - struct ata_taskfile *tf = &qc->tf; - struct ata_device *dev = qc->dev; + unsigned int tf_flags = 0; u64 block; u32 n_block; - - qc->flags |= ATA_QCFLAG_IO; - tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + int rc; if (scsicmd[0] == WRITE_10 || scsicmd[0] == WRITE_6 || scsicmd[0] == WRITE_16) - tf->flags |= ATA_TFLAG_WRITE; + tf_flags |= ATA_TFLAG_WRITE; /* Calculate the SCSI LBA, transfer length and FUA. */ switch (scsicmd[0]) { @@ -1283,7 +1280,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm case WRITE_10: scsi_10_lba_len(scsicmd, &block, &n_block); if (unlikely(scsicmd[1] & (1 << 3))) - tf->flags |= ATA_TFLAG_FUA; + tf_flags |= ATA_TFLAG_FUA; break; case READ_6: case WRITE_6: @@ -1299,7 +1296,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm case WRITE_16: scsi_16_lba_len(scsicmd, &block, &n_block); if (unlikely(scsicmd[1] & (1 << 3))) - tf->flags |= ATA_TFLAG_FUA; + tf_flags |= ATA_TFLAG_FUA; break; default: DPRINTK("no-byte command\n"); @@ -1317,106 +1314,17 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm */ goto nothing_to_do; - if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | - ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { - /* yay, NCQ */ - if (!lba_48_ok(block, n_block)) - goto out_of_range; - - tf->protocol = ATA_PROT_NCQ; - tf->flags |= ATA_TFLAG_LBA | ATA_TFLAG_LBA48; - - if (tf->flags & ATA_TFLAG_WRITE) - tf->command = ATA_CMD_FPDMA_WRITE; - else - tf->command = ATA_CMD_FPDMA_READ; - - qc->nsect = n_block; - - tf->nsect = qc->tag << 3; - tf->hob_feature = (n_block >> 8) & 0xff; - tf->feature = n_block & 0xff; - - tf->hob_lbah = (block >> 40) & 0xff; - tf->hob_lbam = (block >> 32) & 0xff; - tf->hob_lbal = (block >> 24) & 0xff; - tf->lbah = (block >> 16) & 0xff; - tf->lbam = (block >> 8) & 0xff; - tf->lbal = block & 0xff; - - tf->device = 1 << 6; - if (tf->flags & ATA_TFLAG_FUA) - tf->device |= 1 << 7; - } else if (dev->flags & ATA_DFLAG_LBA) { - tf->flags |= ATA_TFLAG_LBA; - - if (lba_28_ok(block, n_block)) { - /* use LBA28 */ - tf->device |= (block >> 24) & 0xf; - } else if (lba_48_ok(block, n_block)) { - if (!(dev->flags & ATA_DFLAG_LBA48)) - goto out_of_range; - - /* use LBA48 */ - tf->flags |= ATA_TFLAG_LBA48; - - tf->hob_nsect = (n_block >> 8) & 0xff; - - tf->hob_lbah = (block >> 40) & 0xff; - tf->hob_lbam = (block >> 32) & 0xff; - tf->hob_lbal = (block >> 24) & 0xff; - } else - /* request too large even for LBA48 */ - goto out_of_range; - - if (unlikely(ata_rwcmd_protocol(qc) < 0)) - goto invalid_fld; - - qc->nsect = n_block; - tf->nsect = n_block & 0xff; - - tf->lbah = (block >> 16) & 0xff; - tf->lbam = (block >> 8) & 0xff; - tf->lbal = block & 0xff; - - tf->device |= ATA_LBA; - } else { - /* CHS */ - u32 sect, head, cyl, track; - - /* The request -may- be too large for CHS addressing. */ - if (!lba_28_ok(block, n_block)) - goto out_of_range; - - if (unlikely(ata_rwcmd_protocol(qc) < 0)) - goto invalid_fld; - - /* Convert LBA to CHS */ - track = (u32)block / dev->sectors; - cyl = track / dev->heads; - head = track % dev->heads; - sect = (u32)block % dev->sectors + 1; - - DPRINTK("block %u track %u cyl %u head %u sect %u\n", - (u32)block, track, cyl, head, sect); - - /* Check whether the converted CHS can fit. - Cylinder: 0-65535 - Head: 0-15 - Sector: 1-255*/ - if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) - goto out_of_range; - - qc->nsect = n_block; - tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ - tf->lbal = sect; - tf->lbam = cyl; - tf->lbah = cyl >> 8; - tf->device |= head; - } + qc->flags |= ATA_QCFLAG_IO; + qc->nsect = n_block; - return 0; + rc = ata_build_rw_tf(&qc->tf, qc->dev, block, n_block, tf_flags, + qc->tag); + if (likely(rc == 0)) + return 0; + if (rc == -ERANGE) + goto out_of_range; + /* treat all other errors as -EINVAL, fall through */ invalid_fld: ata_scsi_set_sense(qc->scsicmd, ILLEGAL_REQUEST, 0x24, 0x0); /* "Invalid field in cbd" */ diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index ca6f36c1311..60576b1237e 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -51,7 +51,9 @@ extern int atapi_enabled; extern int atapi_dmadir; extern int libata_fua; extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); -extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc); +extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, + u64 block, u32 n_block, unsigned int tf_flags, + unsigned int tag); extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); extern void ata_dev_disable(struct ata_device *dev); extern void ata_port_flush_task(struct ata_port *ap); -- cgit v1.2.3 From 70e6ad0c6d1e6cb9ee3c036a85ca2561eb1fd766 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Nov 2006 22:47:10 +0900 Subject: [PATCH] libata: prepare ata_sg_clean() for invocation from EH Make ata_sg_clean() global and don't allow NCQ for internal commands. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 6 +++--- drivers/ata/libata.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4ac53ef0e4b..88327638820 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -309,7 +309,8 @@ int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, tf->flags |= tf_flags; if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | - ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { + ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ && + likely(tag != ATA_TAG_INTERNAL)) { /* yay, NCQ */ if (!lba_48_ok(block, n_block)) return -ERANGE; @@ -3533,8 +3534,7 @@ static unsigned int ata_dev_init_params(struct ata_device *dev, * LOCKING: * spin_lock_irqsave(host lock) */ - -static void ata_sg_clean(struct ata_queued_cmd *qc) +void ata_sg_clean(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct scatterlist *sg = qc->__sg; diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 60576b1237e..1ff3f59504c 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -73,6 +73,7 @@ extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0); extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev); +extern void ata_sg_clean(struct ata_queued_cmd *qc); extern void ata_qc_free(struct ata_queued_cmd *qc); extern void ata_qc_issue(struct ata_queued_cmd *qc); extern void __ata_qc_complete(struct ata_queued_cmd *qc); -- cgit v1.2.3 From 8e16f941226f15622fbbc416a1f3d8705001a191 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 20 Nov 2006 15:42:36 +0900 Subject: [PATCH] ahci: do not powerdown during initialization ahci_init_controller() calls ahci_deinit_port() to make sure the controller is stopped before initializing the controller. In turn, ahci_deinit_port() invokes ahci_power_down() to power down the port. If the controller supports slumber mode, the link is put into it. Unfortunately, some devices don't implement link powersaving mode properly and show erratic behavior after link is put into slumber mode. For example, HL-DT-ST DVD-RAM GSA-H30N completely locks up on slumber transition and can only be recovered with the *REAL* hard reset - power removal and reapply. Note that this makes the first probing reset different from all others. If the above dvd-ram is hotplugged after ahci is initialized, no problem occurs because ahci is already fully initialized with phy powered up. So, this might also be the reason for other weird AHCI initial probing abnormalities. This patch moves power up/down out of port init/deinit and call them only when needed. Power down is now called only when suspending. As system suspend usually involves powering down 12v for storage devices, this shouldn't cause problem even if the attached device doesn't support slumber mode. However, in partial power management and suspend failure cases, devices might lock up after suspend attempt. I thought about removing transition to slumber mode altogether but ahci spec mandates it before HBA D3 state transition. Blacklisting such devices might be the solution. Signed-off-by: Tejun Heo --- drivers/ata/ahci.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index af3565d1fef..f36da488a2c 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -612,9 +612,6 @@ static void ahci_power_down(void __iomem *port_mmio, u32 cap) static void ahci_init_port(void __iomem *port_mmio, u32 cap, dma_addr_t cmd_slot_dma, dma_addr_t rx_fis_dma) { - /* power up */ - ahci_power_up(port_mmio, cap); - /* enable FIS reception */ ahci_start_fis_rx(port_mmio, cap, cmd_slot_dma, rx_fis_dma); @@ -640,9 +637,6 @@ static int ahci_deinit_port(void __iomem *port_mmio, u32 cap, const char **emsg) return rc; } - /* put device into slumber mode */ - ahci_power_down(port_mmio, cap); - return 0; } @@ -1321,7 +1315,9 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) int rc; rc = ahci_deinit_port(port_mmio, hpriv->cap, &emsg); - if (rc) { + if (rc == 0) + ahci_power_down(port_mmio, hpriv->cap); + else { ata_port_printk(ap, KERN_ERR, "%s (%d)\n", emsg, rc); ahci_init_port(port_mmio, hpriv->cap, pp->cmd_slot_dma, pp->rx_fis_dma); @@ -1337,6 +1333,7 @@ static int ahci_port_resume(struct ata_port *ap) void __iomem *mmio = ap->host->mmio_base; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); + ahci_power_up(port_mmio, hpriv->cap); ahci_init_port(port_mmio, hpriv->cap, pp->cmd_slot_dma, pp->rx_fis_dma); return 0; @@ -1443,6 +1440,9 @@ static int ahci_port_start(struct ata_port *ap) ap->private_data = pp; + /* power up port */ + ahci_power_up(port_mmio, hpriv->cap); + /* initialize port */ ahci_init_port(port_mmio, hpriv->cap, pp->cmd_slot_dma, pp->rx_fis_dma); -- cgit v1.2.3 From 3ac551a6a63dcbc707348772a27bd7090b081524 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sun, 3 Dec 2006 07:57:21 -0500 Subject: [libata] pata_cs5535: fix build Noticed by Tejun and others. Signed-off-by: Jeff Garzik --- drivers/ata/pata_cs5535.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 73b9b5453a3..e3efec4ffc7 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -269,7 +269,7 @@ static struct pci_driver cs5535_pci_driver = { .name = DRV_NAME, .id_table = cs5535, .probe = cs5535_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, .suspend = ata_pci_device_suspend, .resume = ata_pci_device_resume, }; -- cgit v1.2.3 From 800b399669ad495ad4361d134df87401ae36f44f Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 3 Dec 2006 21:34:13 +0900 Subject: [PATCH] libata: always use polling IDENTIFY libata switched to IRQ-driven IDENTIFY when IRQ-driven PIO was introduced. This has caused a lot of problems including device misdetection and phantom device. ATA_FLAG_DETECT_POLLING was added recently to selectively use polling IDENTIFY on problemetic drivers but many controllers and devices are affected by this problem and trying to adding ATA_FLAG_DETECT_POLLING for each such case is diffcult and not very rewarding. This patch makes libata always use polling IDENTIFY. This is consistent with libata's original behavior and drivers/ide's behavior. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 5 ++--- drivers/ata/libata-core.c | 8 ++------ drivers/ata/libata-eh.c | 3 --- drivers/ata/libata.h | 2 -- 4 files changed, 4 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 788a269206e..a2d84f7cf2b 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -105,9 +105,8 @@ enum { PIIX_FLAG_AHCI = (1 << 27), /* AHCI possible */ PIIX_FLAG_CHECKINTR = (1 << 28), /* make sure PCI INTx enabled */ - PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS | ATA_FLAG_DETECT_POLLING, - PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR | - ATA_FLAG_DETECT_POLLING, + PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS, + PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR, /* combined mode. if set, PATA is channel 0. * if clear, PATA is channel 1. diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 88327638820..f8ec3896b79 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1473,16 +1473,12 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, } tf.protocol = ATA_PROT_PIO; - - /* presence detection using polling IDENTIFY? */ - if (flags & ATA_READID_DETECT) - tf.flags |= ATA_TFLAG_POLLING; + tf.flags |= ATA_TFLAG_POLLING; /* for polling presence detection */ err_mask = ata_exec_internal(dev, &tf, NULL, DMA_FROM_DEVICE, id, sizeof(id[0]) * ATA_ID_WORDS); if (err_mask) { - if ((flags & ATA_READID_DETECT) && - (err_mask & AC_ERR_NODEV_HINT)) { + if (err_mask & AC_ERR_NODEV_HINT) { DPRINTK("ata%u.%d: NODEV after polling detection\n", ap->id, dev->devno); return -ENOENT; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 2aad7b79d6d..76a85dfb730 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1692,9 +1692,6 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap, ata_class_enabled(ehc->classes[dev->devno])) { dev->class = ehc->classes[dev->devno]; - if (ap->flags & ATA_FLAG_DETECT_POLLING) - readid_flags |= ATA_READID_DETECT; - rc = ata_dev_read_id(dev, &dev->class, readid_flags, dev->id); if (rc == 0) { diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 1ff3f59504c..107b2b56522 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -42,8 +42,6 @@ struct ata_scsi_args { enum { /* flags for ata_dev_read_id() */ ATA_READID_POSTRESET = (1 << 0), /* reading ID after reset */ - ATA_READID_DETECT = (1 << 1), /* perform presence detection - * using polling IDENTIFY */ }; extern struct workqueue_struct *ata_aux_wq; -- cgit v1.2.3 From 599b7202c5bf2c7345ea34007379ba241c94a491 Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Fri, 1 Dec 2006 10:55:58 +0100 Subject: [PATCH] sata_promise: PHYMODE4 fixup This patch adds code to fix up the PHYMODE4 "align timing" register value on second-generation Promise SATA chips. Failure to correct this value on non-x86 machines makes drive detection prone to failure due to timeouts. (I've observed about 50% detection failure rates on SPARC64.) The HW boots with a bad value in this register, but on x86 machines the Promise BIOS corrects it to the value recommended by the manual, so most people have been unaffected by this issue. After developing the patch I checked Promise's SATAII driver, and discovered that it also corrects PHYMODE4 just like this patch does. This patch depends on the sata_promise SATAII updates patch I sent recently. Signed-off-by: Mikael Pettersson Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 8daf5d67dfe..a2778cf016b 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -280,6 +280,7 @@ static struct pci_driver pdc_ata_pci_driver = { static int pdc_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; + struct pdc_host_priv *hp = ap->host->private_data; struct pdc_port_priv *pp; int rc; @@ -301,6 +302,16 @@ static int pdc_port_start(struct ata_port *ap) ap->private_data = pp; + /* fix up PHYMODE4 align timing */ + if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr; + unsigned int tmp; + + tmp = readl(mmio + 0x014); + tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */ + writel(tmp, mmio + 0x014); + } + return 0; err_out_kfree: -- cgit v1.2.3 From 46ddab7b1c7225269ad45d33fc39d0a385194360 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 27 Nov 2006 09:35:42 -0800 Subject: [SCSI] qla2xxx: use NULL instead of 0 Use NULL instead of 0 for pointers (sparse warning): drivers/scsi/qla2xxx/qla_attr.c:393:4: warning: Using plain integer as NULL pointer Signed-off-by: Randy Dunlap Acked-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_attr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 285c8e8ff1a..7b18a6c7b7e 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -390,7 +390,7 @@ static struct sysfs_entry { { "optrom_ctl", &sysfs_optrom_ctl_attr, }, { "vpd", &sysfs_vpd_attr, 1 }, { "sfp", &sysfs_sfp_attr, 1 }, - { 0 }, + { NULL }, }; void -- cgit v1.2.3 From c603d04ef6826a29f50cb151cb992f256d0cf19d Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 1 Dec 2006 11:25:12 -0600 Subject: [SCSI] 53c700: brown paper bag fix for auto request sense In the switch over, I forgot to set the command length, so it sends out a request sense with whatever length the prior command had (and fails badly if it wasn't 6). Signed-off-by: James Bottomley --- drivers/scsi/53c700.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 562432d017b..335a25540c0 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -622,8 +622,10 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata, dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); /* restore the old result if the request sense was * successful */ - if(result == 0) + if (result == 0) result = cmnd[7]; + /* restore the original length */ + SCp->cmd_len = cmnd[8]; } else NCR_700_unmap(hostdata, SCp, slot); @@ -1007,6 +1009,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * of the command */ cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC; cmnd[7] = hostdata->status[0]; + cmnd[8] = SCp->cmd_len; + SCp->cmd_len = 6; /* command length for + * REQUEST_SENSE */ slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE); slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer)); -- cgit v1.2.3 From 26b14823441382264e6f3dfd01b8687dc18196fe Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 1 Dec 2006 03:00:50 +0900 Subject: [SCSI] scsi tgt: SCSI RDMA Protocol library functions libsrp provides helper functions for SRP target drivers. Some SRP target drivers would be out of drivers/scsi/ so we added an entry for libsrp in drivers/scsi/Kconfig. Signed-off-by: FUJITA Tomonori Signed-off-by: Mike Christie Signed-off-by: Santiago Leon Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 10 ++ drivers/scsi/Makefile | 1 + drivers/scsi/libsrp.c | 441 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 452 insertions(+) create mode 100644 drivers/scsi/libsrp.c (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 1301d5222c0..5570cdbf8f1 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1760,6 +1760,16 @@ config ZFCP called zfcp. If you want to compile it as a module, say M here and read . +config SCSI_SRP + tristate "SCSI RDMA Protocol helper library" + depends on SCSI && PCI + select SCSI_TGT + help + If you wish to use SRP target drivers, say Y. + + To compile this driver as a module, choose M here: the + module will be called libsrp. + endmenu source "drivers/scsi/pcmcia/Kconfig" diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 8f86c1b96ff..00691c4c3a6 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -126,6 +126,7 @@ obj-$(CONFIG_SCSI_FCAL) += fcal.o obj-$(CONFIG_SCSI_LASI700) += 53c700.o lasi700.o obj-$(CONFIG_SCSI_NSP32) += nsp32.o obj-$(CONFIG_SCSI_IPR) += ipr.o +obj-$(CONFIG_SCSI_SRP) += libsrp.o obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c new file mode 100644 index 00000000000..89403b00e04 --- /dev/null +++ b/drivers/scsi/libsrp.c @@ -0,0 +1,441 @@ +/* + * SCSI RDAM Protocol lib functions + * + * Copyright (C) 2006 FUJITA Tomonori + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +enum srp_task_attributes { + SRP_SIMPLE_TASK = 0, + SRP_HEAD_TASK = 1, + SRP_ORDERED_TASK = 2, + SRP_ACA_TASK = 4 +}; + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) +/* #define dprintk eprintk */ +#define dprintk(fmt, args...) + +static int srp_iu_pool_alloc(struct srp_queue *q, size_t max, + struct srp_buf **ring) +{ + int i; + struct iu_entry *iue; + + q->pool = kcalloc(max, sizeof(struct iu_entry *), GFP_KERNEL); + if (!q->pool) + return -ENOMEM; + q->items = kcalloc(max, sizeof(struct iu_entry), GFP_KERNEL); + if (!q->items) + goto free_pool; + + spin_lock_init(&q->lock); + q->queue = kfifo_init((void *) q->pool, max * sizeof(void *), + GFP_KERNEL, &q->lock); + if (IS_ERR(q->queue)) + goto free_item; + + for (i = 0, iue = q->items; i < max; i++) { + __kfifo_put(q->queue, (void *) &iue, sizeof(void *)); + iue->sbuf = ring[i]; + iue++; + } + return 0; + +free_item: + kfree(q->items); +free_pool: + kfree(q->pool); + return -ENOMEM; +} + +static void srp_iu_pool_free(struct srp_queue *q) +{ + kfree(q->items); + kfree(q->pool); +} + +static struct srp_buf **srp_ring_alloc(struct device *dev, + size_t max, size_t size) +{ + int i; + struct srp_buf **ring; + + ring = kcalloc(max, sizeof(struct srp_buf *), GFP_KERNEL); + if (!ring) + return NULL; + + for (i = 0; i < max; i++) { + ring[i] = kzalloc(sizeof(struct srp_buf), GFP_KERNEL); + if (!ring[i]) + goto out; + ring[i]->buf = dma_alloc_coherent(dev, size, &ring[i]->dma, + GFP_KERNEL); + if (!ring[i]->buf) + goto out; + } + return ring; + +out: + for (i = 0; i < max && ring[i]; i++) { + if (ring[i]->buf) + dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma); + kfree(ring[i]); + } + kfree(ring); + + return NULL; +} + +static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max, + size_t size) +{ + int i; + + for (i = 0; i < max; i++) { + dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma); + kfree(ring[i]); + } +} + +int srp_target_alloc(struct srp_target *target, struct device *dev, + size_t nr, size_t iu_size) +{ + int err; + + spin_lock_init(&target->lock); + INIT_LIST_HEAD(&target->cmd_queue); + + target->dev = dev; + target->dev->driver_data = target; + + target->srp_iu_size = iu_size; + target->rx_ring_size = nr; + target->rx_ring = srp_ring_alloc(target->dev, nr, iu_size); + if (!target->rx_ring) + return -ENOMEM; + err = srp_iu_pool_alloc(&target->iu_queue, nr, target->rx_ring); + if (err) + goto free_ring; + + return 0; + +free_ring: + srp_ring_free(target->dev, target->rx_ring, nr, iu_size); + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(srp_target_alloc); + +void srp_target_free(struct srp_target *target) +{ + srp_ring_free(target->dev, target->rx_ring, target->rx_ring_size, + target->srp_iu_size); + srp_iu_pool_free(&target->iu_queue); +} +EXPORT_SYMBOL_GPL(srp_target_free); + +struct iu_entry *srp_iu_get(struct srp_target *target) +{ + struct iu_entry *iue = NULL; + + kfifo_get(target->iu_queue.queue, (void *) &iue, sizeof(void *)); + if (!iue) + return iue; + iue->target = target; + INIT_LIST_HEAD(&iue->ilist); + iue->flags = 0; + return iue; +} +EXPORT_SYMBOL_GPL(srp_iu_get); + +void srp_iu_put(struct iu_entry *iue) +{ + kfifo_put(iue->target->iu_queue.queue, (void *) &iue, sizeof(void *)); +} +EXPORT_SYMBOL_GPL(srp_iu_put); + +static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md, + enum dma_data_direction dir, srp_rdma_t rdma_io, + int dma_map, int ext_desc) +{ + struct iu_entry *iue = NULL; + struct scatterlist *sg = NULL; + int err, nsg = 0, len; + + if (dma_map) { + iue = (struct iu_entry *) sc->SCp.ptr; + sg = sc->request_buffer; + + dprintk("%p %u %u %d\n", iue, sc->request_bufflen, + md->len, sc->use_sg); + + nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, + DMA_BIDIRECTIONAL); + if (!nsg) { + printk("fail to map %p %d\n", iue, sc->use_sg); + return 0; + } + len = min(sc->request_bufflen, md->len); + } else + len = md->len; + + err = rdma_io(sc, sg, nsg, md, 1, dir, len); + + if (dma_map) + dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL); + + return err; +} + +static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, + struct srp_indirect_buf *id, + enum dma_data_direction dir, srp_rdma_t rdma_io, + int dma_map, int ext_desc) +{ + struct iu_entry *iue = NULL; + struct srp_direct_buf *md = NULL; + struct scatterlist dummy, *sg = NULL; + dma_addr_t token = 0; + long err; + unsigned int done = 0; + int nmd, nsg = 0, len; + + if (dma_map || ext_desc) { + iue = (struct iu_entry *) sc->SCp.ptr; + sg = sc->request_buffer; + + dprintk("%p %u %u %d %d\n", + iue, sc->request_bufflen, id->len, + cmd->data_in_desc_cnt, cmd->data_out_desc_cnt); + } + + nmd = id->table_desc.len / sizeof(struct srp_direct_buf); + + if ((dir == DMA_FROM_DEVICE && nmd == cmd->data_in_desc_cnt) || + (dir == DMA_TO_DEVICE && nmd == cmd->data_out_desc_cnt)) { + md = &id->desc_list[0]; + goto rdma; + } + + if (ext_desc && dma_map) { + md = dma_alloc_coherent(iue->target->dev, id->table_desc.len, + &token, GFP_KERNEL); + if (!md) { + eprintk("Can't get dma memory %u\n", id->table_desc.len); + return -ENOMEM; + } + + sg_init_one(&dummy, md, id->table_desc.len); + sg_dma_address(&dummy) = token; + err = rdma_io(sc, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE, + id->table_desc.len); + if (err < 0) { + eprintk("Error copying indirect table %ld\n", err); + goto free_mem; + } + } else { + eprintk("This command uses external indirect buffer\n"); + return -EINVAL; + } + +rdma: + if (dma_map) { + nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL); + if (!nsg) { + eprintk("fail to map %p %d\n", iue, sc->use_sg); + goto free_mem; + } + len = min(sc->request_bufflen, id->len); + } else + len = id->len; + + err = rdma_io(sc, sg, nsg, md, nmd, dir, len); + + if (dma_map) + dma_unmap_sg(iue->target->dev, sg, nsg, DMA_BIDIRECTIONAL); + +free_mem: + if (token && dma_map) + dma_free_coherent(iue->target->dev, id->table_desc.len, md, token); + + return done; +} + +static int data_out_desc_size(struct srp_cmd *cmd) +{ + int size = 0; + u8 fmt = cmd->buf_fmt >> 4; + + switch (fmt) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + size = sizeof(struct srp_direct_buf); + break; + case SRP_DATA_DESC_INDIRECT: + size = sizeof(struct srp_indirect_buf) + + sizeof(struct srp_direct_buf) * cmd->data_out_desc_cnt; + break; + default: + eprintk("client error. Invalid data_out_format %x\n", fmt); + break; + } + return size; +} + +/* + * TODO: this can be called multiple times for a single command if it + * has very long data. + */ +int srp_transfer_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, + srp_rdma_t rdma_io, int dma_map, int ext_desc) +{ + struct srp_direct_buf *md; + struct srp_indirect_buf *id; + enum dma_data_direction dir; + int offset, err = 0; + u8 format; + + offset = cmd->add_cdb_len * 4; + + dir = srp_cmd_direction(cmd); + if (dir == DMA_FROM_DEVICE) + offset += data_out_desc_size(cmd); + + if (dir == DMA_TO_DEVICE) + format = cmd->buf_fmt >> 4; + else + format = cmd->buf_fmt & ((1U << 4) - 1); + + switch (format) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + md = (struct srp_direct_buf *) + (cmd->add_data + offset); + err = srp_direct_data(sc, md, dir, rdma_io, dma_map, ext_desc); + break; + case SRP_DATA_DESC_INDIRECT: + id = (struct srp_indirect_buf *) + (cmd->add_data + offset); + err = srp_indirect_data(sc, cmd, id, dir, rdma_io, dma_map, + ext_desc); + break; + default: + eprintk("Unknown format %d %x\n", dir, format); + break; + } + + return err; +} +EXPORT_SYMBOL_GPL(srp_transfer_data); + +static int vscsis_data_length(struct srp_cmd *cmd, enum dma_data_direction dir) +{ + struct srp_direct_buf *md; + struct srp_indirect_buf *id; + int len = 0, offset = cmd->add_cdb_len * 4; + u8 fmt; + + if (dir == DMA_TO_DEVICE) + fmt = cmd->buf_fmt >> 4; + else { + fmt = cmd->buf_fmt & ((1U << 4) - 1); + offset += data_out_desc_size(cmd); + } + + switch (fmt) { + case SRP_NO_DATA_DESC: + break; + case SRP_DATA_DESC_DIRECT: + md = (struct srp_direct_buf *) (cmd->add_data + offset); + len = md->len; + break; + case SRP_DATA_DESC_INDIRECT: + id = (struct srp_indirect_buf *) (cmd->add_data + offset); + len = id->len; + break; + default: + eprintk("invalid data format %x\n", fmt); + break; + } + return len; +} + +int srp_cmd_queue(struct Scsi_Host *shost, struct srp_cmd *cmd, void *info, + u64 addr) +{ + enum dma_data_direction dir; + struct scsi_cmnd *sc; + int tag, len, err; + + switch (cmd->task_attr) { + case SRP_SIMPLE_TASK: + tag = MSG_SIMPLE_TAG; + break; + case SRP_ORDERED_TASK: + tag = MSG_ORDERED_TAG; + break; + case SRP_HEAD_TASK: + tag = MSG_HEAD_TAG; + break; + default: + eprintk("Task attribute %d not supported\n", cmd->task_attr); + tag = MSG_ORDERED_TAG; + } + + dir = srp_cmd_direction(cmd); + len = vscsis_data_length(cmd, dir); + + dprintk("%p %x %lx %d %d %d %llx\n", info, cmd->cdb[0], + cmd->lun, dir, len, tag, (unsigned long long) cmd->tag); + + sc = scsi_host_get_command(shost, dir, GFP_KERNEL); + if (!sc) + return -ENOMEM; + + sc->SCp.ptr = info; + memcpy(sc->cmnd, cmd->cdb, MAX_COMMAND_SIZE); + sc->request_bufflen = len; + sc->request_buffer = (void *) (unsigned long) addr; + sc->tag = tag; + err = scsi_tgt_queue_command(sc, (struct scsi_lun *) &cmd->lun, cmd->tag); + if (err) + scsi_host_put_command(shost, sc); + + return err; +} +EXPORT_SYMBOL_GPL(srp_cmd_queue); + +MODULE_DESCRIPTION("SCSI RDAM Protocol lib functions"); +MODULE_AUTHOR("FUJITA Tomonori"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 0e5d030bef4de3e35bcca35dd9465e6672128570 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 1 Dec 2006 03:00:54 +0900 Subject: [SCSI] scsi tgt: IBM eServer i/pSeries virtual SCSI target driver This is IBM Virtual SCSI target driver for tgt. The driver is based on the original ibmvscsis driver: http://lkml.org/lkml/2005/10/17/99 Signed-off-by: FUJITA Tomonori Signed-off-by: Mike Christie Signed-off-by: Santiago Leon Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 14 + drivers/scsi/Makefile | 1 + drivers/scsi/ibmvscsi/Makefile | 2 + drivers/scsi/ibmvscsi/ibmvstgt.c | 958 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 975 insertions(+) create mode 100644 drivers/scsi/ibmvscsi/ibmvstgt.c (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 5570cdbf8f1..1b4bfaabcfb 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -821,6 +821,20 @@ config SCSI_IBMVSCSI To compile this driver as a module, choose M here: the module will be called ibmvscsic. +config SCSI_IBMVSCSIS + tristate "IBM Virtual SCSI Server support" + depends on PPC_PSERIES && SCSI_TGT && SCSI_SRP + help + This is the SRP target driver for IBM pSeries virtual environments. + + The userspace component needed to initialize the driver and + documentation can be found: + + http://stgt.berlios.de/ + + To compile this driver as a module, choose M here: the + module will be called ibmvstgt. + config SCSI_INITIO tristate "Initio 9100U(W) support" depends on PCI && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 00691c4c3a6..bd7c9888f7f 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -128,6 +128,7 @@ obj-$(CONFIG_SCSI_NSP32) += nsp32.o obj-$(CONFIG_SCSI_IPR) += ipr.o obj-$(CONFIG_SCSI_SRP) += libsrp.o obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/ +obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile index 4e247b6b870..6ac0633d545 100644 --- a/drivers/scsi/ibmvscsi/Makefile +++ b/drivers/scsi/ibmvscsi/Makefile @@ -3,3 +3,5 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsic.o ibmvscsic-y += ibmvscsi.o ibmvscsic-$(CONFIG_PPC_ISERIES) += iseries_vscsi.o ibmvscsic-$(CONFIG_PPC_PSERIES) += rpa_vscsi.o + +obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvstgt.o diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c new file mode 100644 index 00000000000..0e74174a1b3 --- /dev/null +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -0,0 +1,958 @@ +/* + * IBM eServer i/pSeries Virtual SCSI Target Driver + * Copyright (C) 2003-2005 Dave Boutcher (boutcher@us.ibm.com) IBM Corp. + * Santiago Leon (santil@us.ibm.com) IBM Corp. + * Linda Xie (lxie@us.ibm.com) IBM Corp. + * + * Copyright (C) 2005-2006 FUJITA Tomonori + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ibmvscsi.h" + +#define INITIAL_SRP_LIMIT 16 +#define DEFAULT_MAX_SECTORS 512 + +#define TGT_NAME "ibmvstgt" + +/* + * Hypervisor calls. + */ +#define h_copy_rdma(l, sa, sb, da, db) \ + plpar_hcall_norets(H_COPY_RDMA, l, sa, sb, da, db) +#define h_send_crq(ua, l, h) \ + plpar_hcall_norets(H_SEND_CRQ, ua, l, h) +#define h_reg_crq(ua, tok, sz)\ + plpar_hcall_norets(H_REG_CRQ, ua, tok, sz); +#define h_free_crq(ua) \ + plpar_hcall_norets(H_FREE_CRQ, ua); + +/* tmp - will replace with SCSI logging stuff */ +#define eprintk(fmt, args...) \ +do { \ + printk("%s(%d) " fmt, __FUNCTION__, __LINE__, ##args); \ +} while (0) +/* #define dprintk eprintk */ +#define dprintk(fmt, args...) + +struct vio_port { + struct vio_dev *dma_dev; + + struct crq_queue crq_queue; + struct work_struct crq_work; + + unsigned long liobn; + unsigned long riobn; +}; + +static struct workqueue_struct *vtgtd; + +/* + * These are fixed for the system and come from the Open Firmware device tree. + * We just store them here to save getting them every time. + */ +static char system_id[64] = ""; +static char partition_name[97] = "UNKNOWN"; +static unsigned int partition_number = -1; + +static struct vio_port *target_to_port(struct srp_target *target) +{ + return (struct vio_port *) target->ldata; +} + +static inline union viosrp_iu *vio_iu(struct iu_entry *iue) +{ + return (union viosrp_iu *) (iue->sbuf->buf); +} + +static int send_iu(struct iu_entry *iue, uint64_t length, uint8_t format) +{ + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + long rc, rc1; + union { + struct viosrp_crq cooked; + uint64_t raw[2]; + } crq; + + /* First copy the SRP */ + rc = h_copy_rdma(length, vport->liobn, iue->sbuf->dma, + vport->riobn, iue->remote_token); + + if (rc) + eprintk("Error %ld transferring data\n", rc); + + crq.cooked.valid = 0x80; + crq.cooked.format = format; + crq.cooked.reserved = 0x00; + crq.cooked.timeout = 0x00; + crq.cooked.IU_length = length; + crq.cooked.IU_data_ptr = vio_iu(iue)->srp.rsp.tag; + + if (rc == 0) + crq.cooked.status = 0x99; /* Just needs to be non-zero */ + else + crq.cooked.status = 0x00; + + rc1 = h_send_crq(vport->dma_dev->unit_address, crq.raw[0], crq.raw[1]); + + if (rc1) { + eprintk("%ld sending response\n", rc1); + return rc1; + } + + return rc; +} + +#define SRP_RSP_SENSE_DATA_LEN 18 + +static int send_rsp(struct iu_entry *iue, struct scsi_cmnd *sc, + unsigned char status, unsigned char asc) +{ + union viosrp_iu *iu = vio_iu(iue); + uint64_t tag = iu->srp.rsp.tag; + + /* If the linked bit is on and status is good */ + if (test_bit(V_LINKED, &iue->flags) && (status == NO_SENSE)) + status = 0x10; + + memset(iu, 0, sizeof(struct srp_rsp)); + iu->srp.rsp.opcode = SRP_RSP; + iu->srp.rsp.req_lim_delta = 1; + iu->srp.rsp.tag = tag; + + if (test_bit(V_DIOVER, &iue->flags)) + iu->srp.rsp.flags |= SRP_RSP_FLAG_DIOVER; + + iu->srp.rsp.data_in_res_cnt = 0; + iu->srp.rsp.data_out_res_cnt = 0; + + iu->srp.rsp.flags &= ~SRP_RSP_FLAG_RSPVALID; + + iu->srp.rsp.resp_data_len = 0; + iu->srp.rsp.status = status; + if (status) { + uint8_t *sense = iu->srp.rsp.data; + + if (sc) { + iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID; + iu->srp.rsp.sense_data_len = SCSI_SENSE_BUFFERSIZE; + memcpy(sense, sc->sense_buffer, SCSI_SENSE_BUFFERSIZE); + } else { + iu->srp.rsp.status = SAM_STAT_CHECK_CONDITION; + iu->srp.rsp.flags |= SRP_RSP_FLAG_SNSVALID; + iu->srp.rsp.sense_data_len = SRP_RSP_SENSE_DATA_LEN; + + /* Valid bit and 'current errors' */ + sense[0] = (0x1 << 7 | 0x70); + /* Sense key */ + sense[2] = status; + /* Additional sense length */ + sense[7] = 0xa; /* 10 bytes */ + /* Additional sense code */ + sense[12] = asc; + } + } + + send_iu(iue, sizeof(iu->srp.rsp) + SRP_RSP_SENSE_DATA_LEN, + VIOSRP_SRP_FORMAT); + + return 0; +} + +static void handle_cmd_queue(struct srp_target *target) +{ + struct Scsi_Host *shost = target->shost; + struct iu_entry *iue; + struct srp_cmd *cmd; + unsigned long flags; + int err; + +retry: + spin_lock_irqsave(&target->lock, flags); + + list_for_each_entry(iue, &target->cmd_queue, ilist) { + if (!test_and_set_bit(V_FLYING, &iue->flags)) { + spin_unlock_irqrestore(&target->lock, flags); + cmd = iue->sbuf->buf; + err = srp_cmd_queue(shost, cmd, iue, 0); + if (err) { + eprintk("cannot queue cmd %p %d\n", cmd, err); + srp_iu_put(iue); + } + goto retry; + } + } + + spin_unlock_irqrestore(&target->lock, flags); +} + +static int ibmvstgt_rdma(struct scsi_cmnd *sc, struct scatterlist *sg, int nsg, + struct srp_direct_buf *md, int nmd, + enum dma_data_direction dir, unsigned int rest) +{ + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + dma_addr_t token; + long err; + unsigned int done = 0; + int i, sidx, soff; + + sidx = soff = 0; + token = sg_dma_address(sg + sidx); + + for (i = 0; i < nmd && rest; i++) { + unsigned int mdone, mlen; + + mlen = min(rest, md[i].len); + for (mdone = 0; mlen;) { + int slen = min(sg_dma_len(sg + sidx) - soff, mlen); + + if (dir == DMA_TO_DEVICE) + err = h_copy_rdma(slen, + vport->riobn, + md[i].va + mdone, + vport->liobn, + token + soff); + else + err = h_copy_rdma(slen, + vport->liobn, + token + soff, + vport->riobn, + md[i].va + mdone); + + if (err != H_SUCCESS) { + eprintk("rdma error %d %d\n", dir, slen); + goto out; + } + + mlen -= slen; + mdone += slen; + soff += slen; + done += slen; + + if (soff == sg_dma_len(sg + sidx)) { + sidx++; + soff = 0; + token = sg_dma_address(sg + sidx); + + if (sidx > nsg) { + eprintk("out of sg %p %d %d\n", + iue, sidx, nsg); + goto out; + } + } + }; + + rest -= mlen; + } +out: + + return 0; +} + +static int ibmvstgt_transfer_data(struct scsi_cmnd *sc, + void (*done)(struct scsi_cmnd *)) +{ + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + int err; + + err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1); + + done(sc); + + return err; +} + +static int ibmvstgt_cmd_done(struct scsi_cmnd *sc, + void (*done)(struct scsi_cmnd *)) +{ + unsigned long flags; + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + + dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]); + + spin_lock_irqsave(&target->lock, flags); + list_del(&iue->ilist); + spin_unlock_irqrestore(&target->lock, flags); + + if (sc->result != SAM_STAT_GOOD) { + eprintk("operation failed %p %d %x\n", + iue, sc->result, vio_iu(iue)->srp.cmd.cdb[0]); + send_rsp(iue, sc, HARDWARE_ERROR, 0x00); + } else + send_rsp(iue, sc, NO_SENSE, 0x00); + + done(sc); + srp_iu_put(iue); + return 0; +} + +int send_adapter_info(struct iu_entry *iue, + dma_addr_t remote_buffer, uint16_t length) +{ + struct srp_target *target = iue->target; + struct vio_port *vport = target_to_port(target); + struct Scsi_Host *shost = target->shost; + dma_addr_t data_token; + struct mad_adapter_info_data *info; + int err; + + info = dma_alloc_coherent(target->dev, sizeof(*info), &data_token, + GFP_KERNEL); + if (!info) { + eprintk("bad dma_alloc_coherent %p\n", target); + return 1; + } + + /* Get remote info */ + err = h_copy_rdma(sizeof(*info), vport->riobn, remote_buffer, + vport->liobn, data_token); + if (err == H_SUCCESS) { + dprintk("Client connect: %s (%d)\n", + info->partition_name, info->partition_number); + } + + memset(info, 0, sizeof(*info)); + + strcpy(info->srp_version, "16.a"); + strncpy(info->partition_name, partition_name, + sizeof(info->partition_name)); + info->partition_number = partition_number; + info->mad_version = 1; + info->os_type = 2; + info->port_max_txu[0] = shost->hostt->max_sectors << 9; + + /* Send our info to remote */ + err = h_copy_rdma(sizeof(*info), vport->liobn, data_token, + vport->riobn, remote_buffer); + + dma_free_coherent(target->dev, sizeof(*info), info, data_token); + + if (err != H_SUCCESS) { + eprintk("Error sending adapter info %d\n", err); + return 1; + } + + return 0; +} + +static void process_login(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + struct srp_login_rsp *rsp = &iu->srp.login_rsp; + uint64_t tag = iu->srp.rsp.tag; + + /* TODO handle case that requested size is wrong and + * buffer format is wrong + */ + memset(iu, 0, sizeof(struct srp_login_rsp)); + rsp->opcode = SRP_LOGIN_RSP; + rsp->req_lim_delta = INITIAL_SRP_LIMIT; + rsp->tag = tag; + rsp->max_it_iu_len = sizeof(union srp_iu); + rsp->max_ti_iu_len = sizeof(union srp_iu); + /* direct and indirect */ + rsp->buf_fmt = SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT; + + send_iu(iue, sizeof(*rsp), VIOSRP_SRP_FORMAT); +} + +static inline void queue_cmd(struct iu_entry *iue) +{ + struct srp_target *target = iue->target; + unsigned long flags; + + spin_lock_irqsave(&target->lock, flags); + list_add_tail(&iue->ilist, &target->cmd_queue); + spin_unlock_irqrestore(&target->lock, flags); +} + +static int process_tsk_mgmt(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + int fn; + + dprintk("%p %u\n", iue, iu->srp.tsk_mgmt.tsk_mgmt_func); + + switch (iu->srp.tsk_mgmt.tsk_mgmt_func) { + case SRP_TSK_ABORT_TASK: + fn = ABORT_TASK; + break; + case SRP_TSK_ABORT_TASK_SET: + fn = ABORT_TASK_SET; + break; + case SRP_TSK_CLEAR_TASK_SET: + fn = CLEAR_TASK_SET; + break; + case SRP_TSK_LUN_RESET: + fn = LOGICAL_UNIT_RESET; + break; + case SRP_TSK_CLEAR_ACA: + fn = CLEAR_ACA; + break; + default: + fn = 0; + } + if (fn) + scsi_tgt_tsk_mgmt_request(iue->target->shost, fn, + iu->srp.tsk_mgmt.task_tag, + (struct scsi_lun *) &iu->srp.tsk_mgmt.lun, + iue); + else + send_rsp(iue, NULL, ILLEGAL_REQUEST, 0x20); + + return !fn; +} + +static int process_mad_iu(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + struct viosrp_adapter_info *info; + struct viosrp_host_config *conf; + + switch (iu->mad.empty_iu.common.type) { + case VIOSRP_EMPTY_IU_TYPE: + eprintk("%s\n", "Unsupported EMPTY MAD IU"); + break; + case VIOSRP_ERROR_LOG_TYPE: + eprintk("%s\n", "Unsupported ERROR LOG MAD IU"); + iu->mad.error_log.common.status = 1; + send_iu(iue, sizeof(iu->mad.error_log), VIOSRP_MAD_FORMAT); + break; + case VIOSRP_ADAPTER_INFO_TYPE: + info = &iu->mad.adapter_info; + info->common.status = send_adapter_info(iue, info->buffer, + info->common.length); + send_iu(iue, sizeof(*info), VIOSRP_MAD_FORMAT); + break; + case VIOSRP_HOST_CONFIG_TYPE: + conf = &iu->mad.host_config; + conf->common.status = 1; + send_iu(iue, sizeof(*conf), VIOSRP_MAD_FORMAT); + break; + default: + eprintk("Unknown type %u\n", iu->srp.rsp.opcode); + } + + return 1; +} + +static int process_srp_iu(struct iu_entry *iue) +{ + union viosrp_iu *iu = vio_iu(iue); + int done = 1; + u8 opcode = iu->srp.rsp.opcode; + + switch (opcode) { + case SRP_LOGIN_REQ: + process_login(iue); + break; + case SRP_TSK_MGMT: + done = process_tsk_mgmt(iue); + break; + case SRP_CMD: + queue_cmd(iue); + done = 0; + break; + case SRP_LOGIN_RSP: + case SRP_I_LOGOUT: + case SRP_T_LOGOUT: + case SRP_RSP: + case SRP_CRED_REQ: + case SRP_CRED_RSP: + case SRP_AER_REQ: + case SRP_AER_RSP: + eprintk("Unsupported type %u\n", opcode); + break; + default: + eprintk("Unknown type %u\n", opcode); + } + + return done; +} + +static void process_iu(struct viosrp_crq *crq, struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + struct iu_entry *iue; + long err, done; + + iue = srp_iu_get(target); + if (!iue) { + eprintk("Error getting IU from pool, %p\n", target); + return; + } + + iue->remote_token = crq->IU_data_ptr; + + err = h_copy_rdma(crq->IU_length, vport->riobn, + iue->remote_token, vport->liobn, iue->sbuf->dma); + + if (err != H_SUCCESS) { + eprintk("%ld transferring data error %p\n", err, iue); + done = 1; + goto out; + } + + if (crq->format == VIOSRP_MAD_FORMAT) + done = process_mad_iu(iue); + else + done = process_srp_iu(iue); +out: + if (done) + srp_iu_put(iue); +} + +static irqreturn_t ibmvstgt_interrupt(int irq, void *data) +{ + struct srp_target *target = (struct srp_target *) data; + struct vio_port *vport = target_to_port(target); + + vio_disable_interrupts(vport->dma_dev); + queue_work(vtgtd, &vport->crq_work); + + return IRQ_HANDLED; +} + +static int crq_queue_create(struct crq_queue *queue, struct srp_target *target) +{ + int err; + struct vio_port *vport = target_to_port(target); + + queue->msgs = (struct viosrp_crq *) get_zeroed_page(GFP_KERNEL); + if (!queue->msgs) + goto malloc_failed; + queue->size = PAGE_SIZE / sizeof(*queue->msgs); + + queue->msg_token = dma_map_single(target->dev, queue->msgs, + queue->size * sizeof(*queue->msgs), + DMA_BIDIRECTIONAL); + + if (dma_mapping_error(queue->msg_token)) + goto map_failed; + + err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token, + PAGE_SIZE); + + /* If the adapter was left active for some reason (like kexec) + * try freeing and re-registering + */ + if (err == H_RESOURCE) { + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + + err = h_reg_crq(vport->dma_dev->unit_address, queue->msg_token, + PAGE_SIZE); + } + + if (err != H_SUCCESS && err != 2) { + eprintk("Error 0x%x opening virtual adapter\n", err); + goto reg_crq_failed; + } + + err = request_irq(vport->dma_dev->irq, &ibmvstgt_interrupt, + SA_INTERRUPT, "ibmvstgt", target); + if (err) + goto req_irq_failed; + + vio_enable_interrupts(vport->dma_dev); + + h_send_crq(vport->dma_dev->unit_address, 0xC001000000000000, 0); + + queue->cur = 0; + spin_lock_init(&queue->lock); + + return 0; + +req_irq_failed: + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + +reg_crq_failed: + dma_unmap_single(target->dev, queue->msg_token, + queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL); +map_failed: + free_page((unsigned long) queue->msgs); + +malloc_failed: + return -ENOMEM; +} + +static void crq_queue_destroy(struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + struct crq_queue *queue = &vport->crq_queue; + int err; + + free_irq(vport->dma_dev->irq, target); + do { + err = h_free_crq(vport->dma_dev->unit_address); + } while (err == H_BUSY || H_IS_LONG_BUSY(err)); + + dma_unmap_single(target->dev, queue->msg_token, + queue->size * sizeof(*queue->msgs), DMA_BIDIRECTIONAL); + + free_page((unsigned long) queue->msgs); +} + +static void process_crq(struct viosrp_crq *crq, struct srp_target *target) +{ + struct vio_port *vport = target_to_port(target); + dprintk("%x %x\n", crq->valid, crq->format); + + switch (crq->valid) { + case 0xC0: + /* initialization */ + switch (crq->format) { + case 0x01: + h_send_crq(vport->dma_dev->unit_address, + 0xC002000000000000, 0); + break; + case 0x02: + break; + default: + eprintk("Unknown format %u\n", crq->format); + } + break; + case 0xFF: + /* transport event */ + break; + case 0x80: + /* real payload */ + switch (crq->format) { + case VIOSRP_SRP_FORMAT: + case VIOSRP_MAD_FORMAT: + process_iu(crq, target); + break; + case VIOSRP_OS400_FORMAT: + case VIOSRP_AIX_FORMAT: + case VIOSRP_LINUX_FORMAT: + case VIOSRP_INLINE_FORMAT: + eprintk("Unsupported format %u\n", crq->format); + break; + default: + eprintk("Unknown format %u\n", crq->format); + } + break; + default: + eprintk("unknown message type 0x%02x!?\n", crq->valid); + } +} + +static inline struct viosrp_crq *next_crq(struct crq_queue *queue) +{ + struct viosrp_crq *crq; + unsigned long flags; + + spin_lock_irqsave(&queue->lock, flags); + crq = &queue->msgs[queue->cur]; + if (crq->valid & 0x80) { + if (++queue->cur == queue->size) + queue->cur = 0; + } else + crq = NULL; + spin_unlock_irqrestore(&queue->lock, flags); + + return crq; +} + +static void handle_crq(void *data) +{ + struct srp_target *target = (struct srp_target *) data; + struct vio_port *vport = target_to_port(target); + struct viosrp_crq *crq; + int done = 0; + + while (!done) { + while ((crq = next_crq(&vport->crq_queue)) != NULL) { + process_crq(crq, target); + crq->valid = 0x00; + } + + vio_enable_interrupts(vport->dma_dev); + + crq = next_crq(&vport->crq_queue); + if (crq) { + vio_disable_interrupts(vport->dma_dev); + process_crq(crq, target); + crq->valid = 0x00; + } else + done = 1; + } + + handle_cmd_queue(target); +} + + +static int ibmvstgt_eh_abort_handler(struct scsi_cmnd *sc) +{ + unsigned long flags; + struct iu_entry *iue = (struct iu_entry *) sc->SCp.ptr; + struct srp_target *target = iue->target; + + dprintk("%p %p %x\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0]); + + spin_lock_irqsave(&target->lock, flags); + list_del(&iue->ilist); + spin_unlock_irqrestore(&target->lock, flags); + + srp_iu_put(iue); + + return 0; +} + +static int ibmvstgt_tsk_mgmt_response(u64 mid, int result) +{ + struct iu_entry *iue = (struct iu_entry *) ((void *) mid); + union viosrp_iu *iu = vio_iu(iue); + unsigned char status, asc; + + eprintk("%p %d\n", iue, result); + status = NO_SENSE; + asc = 0; + + switch (iu->srp.tsk_mgmt.tsk_mgmt_func) { + case SRP_TSK_ABORT_TASK: + asc = 0x14; + if (result) + status = ABORTED_COMMAND; + break; + default: + break; + } + + send_rsp(iue, NULL, status, asc); + srp_iu_put(iue); + + return 0; +} + +static ssize_t system_id_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", system_id); +} + +static ssize_t partition_number_show(struct class_device *cdev, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%x\n", partition_number); +} + +static ssize_t unit_address_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct srp_target *target = host_to_srp_target(shost); + struct vio_port *vport = target_to_port(target); + return snprintf(buf, PAGE_SIZE, "%x\n", vport->dma_dev->unit_address); +} + +static CLASS_DEVICE_ATTR(system_id, S_IRUGO, system_id_show, NULL); +static CLASS_DEVICE_ATTR(partition_number, S_IRUGO, partition_number_show, NULL); +static CLASS_DEVICE_ATTR(unit_address, S_IRUGO, unit_address_show, NULL); + +static struct class_device_attribute *ibmvstgt_attrs[] = { + &class_device_attr_system_id, + &class_device_attr_partition_number, + &class_device_attr_unit_address, + NULL, +}; + +static struct scsi_host_template ibmvstgt_sht = { + .name = TGT_NAME, + .module = THIS_MODULE, + .can_queue = INITIAL_SRP_LIMIT, + .sg_tablesize = SG_ALL, + .use_clustering = DISABLE_CLUSTERING, + .max_sectors = DEFAULT_MAX_SECTORS, + .transfer_response = ibmvstgt_cmd_done, + .transfer_data = ibmvstgt_transfer_data, + .eh_abort_handler = ibmvstgt_eh_abort_handler, + .tsk_mgmt_response = ibmvstgt_tsk_mgmt_response, + .shost_attrs = ibmvstgt_attrs, + .proc_name = TGT_NAME, +}; + +static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id) +{ + struct Scsi_Host *shost; + struct srp_target *target; + struct vio_port *vport; + unsigned int *dma, dma_size; + int err = -ENOMEM; + + vport = kzalloc(sizeof(struct vio_port), GFP_KERNEL); + if (!vport) + return err; + shost = scsi_host_alloc(&ibmvstgt_sht, sizeof(struct srp_target)); + if (!shost) + goto free_vport; + err = scsi_tgt_alloc_queue(shost); + if (err) + goto put_host; + + target = host_to_srp_target(shost); + target->shost = shost; + vport->dma_dev = dev; + target->ldata = vport; + err = srp_target_alloc(target, &dev->dev, INITIAL_SRP_LIMIT, + SRP_MAX_IU_LEN); + if (err) + goto put_host; + + dma = (unsigned int *) vio_get_attribute(dev, "ibm,my-dma-window", + &dma_size); + if (!dma || dma_size != 40) { + eprintk("Couldn't get window property %d\n", dma_size); + err = -EIO; + goto free_srp_target; + } + vport->liobn = dma[0]; + vport->riobn = dma[5]; + + INIT_WORK(&vport->crq_work, handle_crq, target); + + err = crq_queue_create(&vport->crq_queue, target); + if (err) + goto free_srp_target; + + err = scsi_add_host(shost, target->dev); + if (err) + goto destroy_queue; + return 0; + +destroy_queue: + crq_queue_destroy(target); +free_srp_target: + srp_target_free(target); +put_host: + scsi_host_put(shost); +free_vport: + kfree(vport); + return err; +} + +static int ibmvstgt_remove(struct vio_dev *dev) +{ + struct srp_target *target = (struct srp_target *) dev->dev.driver_data; + struct Scsi_Host *shost = target->shost; + struct vio_port *vport = target->ldata; + + crq_queue_destroy(target); + scsi_remove_host(shost); + scsi_tgt_free_queue(shost); + srp_target_free(target); + kfree(vport); + scsi_host_put(shost); + return 0; +} + +static struct vio_device_id ibmvstgt_device_table[] __devinitdata = { + {"v-scsi-host", "IBM,v-scsi-host"}, + {"",""} +}; + +MODULE_DEVICE_TABLE(vio, ibmvstgt_device_table); + +static struct vio_driver ibmvstgt_driver = { + .id_table = ibmvstgt_device_table, + .probe = ibmvstgt_probe, + .remove = ibmvstgt_remove, + .driver = { + .name = "ibmvscsis", + .owner = THIS_MODULE, + } +}; + +static int get_system_info(void) +{ + struct device_node *rootdn; + const char *id, *model, *name; + unsigned int *num; + + rootdn = find_path_device("/"); + if (!rootdn) + return -ENOENT; + + model = get_property(rootdn, "model", NULL); + id = get_property(rootdn, "system-id", NULL); + if (model && id) + snprintf(system_id, sizeof(system_id), "%s-%s", model, id); + + name = get_property(rootdn, "ibm,partition-name", NULL); + if (name) + strncpy(partition_name, name, sizeof(partition_name)); + + num = (unsigned int *) get_property(rootdn, "ibm,partition-no", NULL); + if (num) + partition_number = *num; + + return 0; +} + +static int ibmvstgt_init(void) +{ + int err = -ENOMEM; + + printk("IBM eServer i/pSeries Virtual SCSI Target Driver\n"); + + vtgtd = create_workqueue("ibmvtgtd"); + if (!vtgtd) + return err; + + err = get_system_info(); + if (err) + goto destroy_wq; + + err = vio_register_driver(&ibmvstgt_driver); + if (err) + goto destroy_wq; + + return 0; + +destroy_wq: + destroy_workqueue(vtgtd); + return err; +} + +static void ibmvstgt_exit(void) +{ + printk("Unregister IBM virtual SCSI driver\n"); + + destroy_workqueue(vtgtd); + vio_unregister_driver(&ibmvstgt_driver); +} + +MODULE_DESCRIPTION("IBM Virtual SCSI Target"); +MODULE_AUTHOR("Santiago Leon"); +MODULE_LICENSE("GPL"); + +module_init(ibmvstgt_init); +module_exit(ibmvstgt_exit); -- cgit v1.2.3 From 2fb9bd8b9cbe9a8d70bf5f43a9ee6a4fa565ed5a Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:33:57 -0500 Subject: [SCSI] lpfc 8.1.11 : Discovery Fixes Discovery Fixes: - Prevent starting discovery of a node if discovery is in progress. - Code improvement (reduction) for lpfc_findnode_did(). - Update discovery to send RFF to Fabric on link up - Bypass unique WWN checks for fabric addresses - Add ndlp to plogi list prior to issuing the plogi els command Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_ct.c | 24 ++++- drivers/scsi/lpfc/lpfc_els.c | 7 ++ drivers/scsi/lpfc/lpfc_hbadisc.c | 197 +++++-------------------------------- drivers/scsi/lpfc/lpfc_hw.h | 16 +++ drivers/scsi/lpfc/lpfc_nportdisc.c | 4 +- 5 files changed, 73 insertions(+), 175 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 3add7c23785..a51a41b7f15 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -558,6 +558,14 @@ lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, return; } +static void +lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, + struct lpfc_iocbq * rspiocb) +{ + lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + return; +} + void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp) { @@ -629,6 +637,8 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) bpl->tus.f.bdeSize = RNN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RSNN_NN) bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_RFF_ID) + bpl->tus.f.bdeSize = RFF_REQUEST_SZ; else bpl->tus.f.bdeSize = 0; bpl->tus.w = le32_to_cpu(bpl->tus.w); @@ -660,6 +670,17 @@ lpfc_ns_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) cmpl = lpfc_cmpl_ct_cmd_rft_id; break; + case SLI_CTNS_RFF_ID: + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_RFF_ID); + CtReq->un.rff.PortId = be32_to_cpu(phba->fc_myDID); + CtReq->un.rff.feature_res = 0; + CtReq->un.rff.feature_tgt = 0; + CtReq->un.rff.type_code = FC_FCP_DATA; + CtReq->un.rff.feature_init = 1; + cmpl = lpfc_cmpl_ct_cmd_rff_id; + break; + case SLI_CTNS_RNN_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RNN_ID); @@ -934,7 +955,8 @@ lpfc_fdmi_cmd(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, int cmdcode) ae = (ATTRIBUTE_ENTRY *) ((uint8_t *) rh + size); ae->ad.bits.AttrType = be16_to_cpu(OS_NAME_VERSION); sprintf(ae->un.OsNameVersion, "%s %s %s", - init_utsname()->sysname, init_utsname()->release, + init_utsname()->sysname, + init_utsname()->release, init_utsname()->version); len = strlen(ae->un.OsNameVersion); len += (len & 3) ? (4 - (len & 3)) : 4; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 71864cdc6c7..60af1c60fe9 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -657,6 +657,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, uint8_t name[sizeof (struct lpfc_name)]; uint32_t rc; + /* Fabric nodes can have the same WWPN so we don't bother searching + * by WWPN. Just return the ndlp that was given to us. + */ + if (ndlp->nlp_type & NLP_FABRIC) + return ndlp; + lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); memset(name, 0, sizeof (struct lpfc_name)); @@ -2644,6 +2650,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba) ndlp->nlp_type |= NLP_FABRIC; ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, NameServer_DID, 0); /* Wait for NameServer login cmpl before we can continue */ diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 19c79a0549a..983faadec5f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1067,6 +1067,7 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); + lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID); } phba->fc_ns_retry = 0; @@ -1680,112 +1681,38 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) struct lpfc_nodelist * lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) { - struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_nodelist *ndlp; + struct list_head *lists[]={&phba->fc_nlpunmap_list, + &phba->fc_nlpmap_list, + &phba->fc_plogi_list, + &phba->fc_adisc_list, + &phba->fc_reglogin_list, + &phba->fc_prli_list, + &phba->fc_npr_list, + &phba->fc_unused_list}; + uint32_t search[]={NLP_SEARCH_UNMAPPED, + NLP_SEARCH_MAPPED, + NLP_SEARCH_PLOGI, + NLP_SEARCH_ADISC, + NLP_SEARCH_REGLOGIN, + NLP_SEARCH_PRLI, + NLP_SEARCH_NPR, + NLP_SEARCH_UNUSED}; + int i; uint32_t data1; spin_lock_irq(phba->host->host_lock); - if (order & NLP_SEARCH_UNMAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_nlpunmap_list, nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID unmapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0929 FIND node DID unmapped" - " Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_MAPPED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* FIND node DID mapped */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0930 FIND node DID mapped " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_PLOGI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PLOGI */ - /* FIND node DID plogi */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0908 FIND node DID plogi " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_ADISC) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to ADISC */ - /* FIND node DID adisc */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0931 FIND node DID adisc " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_REGLOGIN) { - list_for_each_entry_safe(ndlp, next_ndlp, - &phba->fc_reglogin_list, nlp_listp) { + for (i = 0; i < ARRAY_SIZE(lists); i++ ) { + if (!(order & search[i])) + continue; + list_for_each_entry(ndlp, lists[i], nlp_listp) { if (lpfc_matchdid(phba, ndlp, did)) { - data1 = (((uint32_t) ndlp->nlp_state << 24) | ((uint32_t) ndlp->nlp_xri << 16) | ((uint32_t) ndlp->nlp_type << 8) | ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to REGLOGIN */ - /* FIND node DID reglogin */ lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0901 FIND node DID reglogin" + "%d:0929 FIND node DID " " Data: x%p x%x x%x x%x\n", phba->brd_no, ndlp, ndlp->nlp_DID, @@ -1795,86 +1722,12 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) } } } - - if (order & NLP_SEARCH_PRLI) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to PRLI */ - /* FIND node DID prli */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0902 FIND node DID prli " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_NPR) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to NPR */ - /* FIND node DID npr */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0903 FIND node DID npr " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - - if (order & NLP_SEARCH_UNUSED) { - list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, - nlp_listp) { - if (lpfc_matchdid(phba, ndlp, did)) { - - data1 = (((uint32_t) ndlp->nlp_state << 24) | - ((uint32_t) ndlp->nlp_xri << 16) | - ((uint32_t) ndlp->nlp_type << 8) | - ((uint32_t) ndlp->nlp_rpi & 0xff)); - /* LOG change to UNUSED */ - /* FIND node DID unused */ - lpfc_printf_log(phba, KERN_INFO, LOG_NODE, - "%d:0905 FIND node DID unused " - "Data: x%p x%x x%x x%x\n", - phba->brd_no, - ndlp, ndlp->nlp_DID, - ndlp->nlp_flag, data1); - spin_unlock_irq(phba->host->host_lock); - return ndlp; - } - } - } - spin_unlock_irq(phba->host->host_lock); /* FIND node did NOT FOUND */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_NODE, + lpfc_printf_log(phba, KERN_INFO, LOG_NODE, "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", phba->brd_no, did, order); - - /* no match found */ return NULL; } diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index eedf9880136..d7306679f1f 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -121,6 +121,20 @@ struct lpfc_sli_ct_request { uint32_t rsvd[7]; } rft; + struct rff { + uint32_t PortId; + uint8_t reserved[2]; +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t feature_res:6; + uint8_t feature_init:1; + uint8_t feature_tgt:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint8_t feature_tgt:1; + uint8_t feature_init:1; + uint8_t feature_res:6; +#endif + uint8_t type_code; /* type=8 for FCP */ + } rff; struct rnn { uint32_t PortId; /* For RNN_ID requests */ uint8_t wwnn[8]; @@ -136,6 +150,7 @@ struct lpfc_sli_ct_request { #define SLI_CT_REVISION 1 #define GID_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 260) #define RFT_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 228) +#define RFF_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 235) #define RNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request) - 252) #define RSNN_REQUEST_SZ (sizeof(struct lpfc_sli_ct_request)) @@ -225,6 +240,7 @@ struct lpfc_sli_ct_request { #define SLI_CTNS_RNN_ID 0x0213 #define SLI_CTNS_RCS_ID 0x0214 #define SLI_CTNS_RFT_ID 0x0217 +#define SLI_CTNS_RFF_ID 0x021F #define SLI_CTNS_RSPN_ID 0x0218 #define SLI_CTNS_RPT_ID 0x021A #define SLI_CTNS_RIP_NN 0x0235 diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index d5f415007db..958c330ecaa 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1620,8 +1620,8 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, * or discovery in progress for this node. Starting discovery * here will affect the counting of discovery threads. */ - if ((!(ndlp->nlp_flag & NLP_DELAY_TMO)) && - (ndlp->nlp_flag & NLP_NPR_2B_DISC)){ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && + !(ndlp->nlp_flag & NLP_NPR_2B_DISC)){ if (ndlp->nlp_flag & NLP_NPR_ADISC) { ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; -- cgit v1.2.3 From a4bc3379fbc368597024104727fdf14ced483c14 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:34:16 -0500 Subject: [SCSI] lpfc 8.1.11 : Fix lpfc_multi_ring_support It was not accounted for in the fast/slow rings. Genericize the implementation and control it via sysfs Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 2 ++ drivers/scsi/lpfc/lpfc_attr.c | 21 ++++++++++++++++++++- drivers/scsi/lpfc/lpfc_els.c | 6 +++--- drivers/scsi/lpfc/lpfc_hbadisc.c | 12 ++++++------ drivers/scsi/lpfc/lpfc_hw.h | 6 +++--- drivers/scsi/lpfc/lpfc_init.c | 4 ++-- drivers/scsi/lpfc/lpfc_sli.c | 35 ++++++++++++++++++++++++++++++----- drivers/scsi/lpfc/lpfc_sli.h | 2 +- 8 files changed, 67 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 3f7f5f8abd7..e94190e83fc 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -296,6 +296,8 @@ struct lpfc_hba { uint32_t cfg_cr_delay; uint32_t cfg_cr_count; uint32_t cfg_multi_ring_support; + uint32_t cfg_multi_ring_rctl; + uint32_t cfg_multi_ring_type; uint32_t cfg_fdmi_on; uint32_t cfg_discovery_threads; uint32_t cfg_max_luns; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 2a4e02e7a39..f05ef301130 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -802,7 +802,6 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, # LOG_MBOX 0x4 Mailbox events # LOG_INIT 0x8 Initialization events # LOG_LINK_EVENT 0x10 Link events -# LOG_IP 0x20 IP traffic history # LOG_FCP 0x40 FCP traffic history # LOG_NODE 0x80 Node table events # LOG_MISC 0x400 Miscellaneous events @@ -915,6 +914,22 @@ LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " "SLI rings to spread IOCB entries across"); +/* +# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this +# identifies what rctl value to configure the additional ring for. +# Value range is [1,0xff]. Default value is 4 (Unsolicated Data). +*/ +LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, + 255, "Identifies RCTL for additional ring configuration"); + +/* +# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this +# identifies what type value to configure the additional ring for. +# Value range is [1,0xff]. Default value is 5 (LLC/SNAP). +*/ +LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, + 255, "Identifies TYPE for additional ring configuration"); + /* # lpfc_fdmi_on: controls FDMI support. # 0 = no FDMI support @@ -974,6 +989,8 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_lpfc_cr_delay, &class_device_attr_lpfc_cr_count, &class_device_attr_lpfc_multi_ring_support, + &class_device_attr_lpfc_multi_ring_rctl, + &class_device_attr_lpfc_multi_ring_type, &class_device_attr_lpfc_fdmi_on, &class_device_attr_lpfc_max_luns, &class_device_attr_nport_evt_cnt, @@ -1771,6 +1788,8 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_cr_delay_init(phba, lpfc_cr_delay); lpfc_cr_count_init(phba, lpfc_cr_count); lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); + lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); + lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); lpfc_fcp_class_init(phba, lpfc_fcp_class); lpfc_use_adisc_init(phba, lpfc_use_adisc); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 60af1c60fe9..a47e5ab1ec4 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1128,7 +1128,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, mempool_free(mbox, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)]. + psli->ring[(psli->extra_ring)]. flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)]. @@ -3046,7 +3046,7 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba, /* FARP-REQ received from DID */ lpfc_printf_log(phba, KERN_INFO, - LOG_IP, + LOG_ELS, "%d:0601 FARP-REQ received from DID x%x\n", phba->brd_no, did); @@ -3108,7 +3108,7 @@ lpfc_els_rcv_farpr(struct lpfc_hba * phba, /* FARP-RSP received from DID */ lpfc_printf_log(phba, KERN_INFO, - LOG_IP, + LOG_ELS, "%d:0600 FARP-RSP received from DID x%x\n", phba->brd_no, did); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 983faadec5f..7c28184ad56 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -525,7 +525,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) psli = &phba->sli; mb = &pmb->mb; /* Since we don't do discovery right now, turn these off here */ - psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -641,7 +641,7 @@ out: if (rc == MBX_NOT_FINISHED) { mempool_free(pmb, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; phba->hba_state = LPFC_HBA_READY; @@ -696,7 +696,7 @@ out: == MBX_NOT_FINISHED) { mempool_free( pmb, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -1424,7 +1424,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba, if (iocb->context1 == (uint8_t *) ndlp) return 1; } - } else if (pring->ringno == psli->ip_ring) { + } else if (pring->ringno == psli->extra_ring) { } else if (pring->ringno == psli->fcp_ring) { /* Skip match check if waiting to relogin to FCP target */ @@ -1889,7 +1889,7 @@ lpfc_disc_start(struct lpfc_hba * phba) if (rc == MBX_NOT_FINISHED) { mempool_free( mbox, phba->mbox_mem_pool); lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; @@ -2268,7 +2268,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba) if (clrlaerr) { lpfc_disc_flush_list(phba); - psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; + psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; phba->hba_state = LPFC_HBA_READY; diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index d7306679f1f..0d08a50ca41 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -42,14 +42,14 @@ #define FCELSSIZE 1024 /* maximum ELS transfer size */ #define LPFC_FCP_RING 0 /* ring 0 for FCP initiator commands */ -#define LPFC_IP_RING 1 /* ring 1 for IP commands */ +#define LPFC_EXTRA_RING 1 /* ring 1 for other protocols */ #define LPFC_ELS_RING 2 /* ring 2 for ELS commands */ #define LPFC_FCP_NEXT_RING 3 #define SLI2_IOCB_CMD_R0_ENTRIES 172 /* SLI-2 FCP command ring entries */ #define SLI2_IOCB_RSP_R0_ENTRIES 134 /* SLI-2 FCP response ring entries */ -#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 IP command ring entries */ -#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 IP response ring entries */ +#define SLI2_IOCB_CMD_R1_ENTRIES 4 /* SLI-2 extra command ring entries */ +#define SLI2_IOCB_RSP_R1_ENTRIES 4 /* SLI-2 extra response ring entries */ #define SLI2_IOCB_CMD_R1XTRA_ENTRIES 36 /* SLI-2 extra FCP cmd ring entries */ #define SLI2_IOCB_RSP_R1XTRA_ENTRIES 52 /* SLI-2 extra FCP rsp ring entries */ #define SLI2_IOCB_CMD_R2_ENTRIES 20 /* SLI-2 ELS command ring entries */ diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a5723ad0a09..fd734b0fe95 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -349,8 +349,8 @@ lpfc_config_port_post(struct lpfc_hba * phba) phba->hba_state = LPFC_LINK_DOWN; /* Only process IOCBs on ring 0 till hba_state is READY */ - if (psli->ring[psli->ip_ring].cmdringaddr) - psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; + if (psli->ring[psli->extra_ring].cmdringaddr) + psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; if (psli->ring[psli->fcp_ring].cmdringaddr) psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; if (psli->ring[psli->next_ring].cmdringaddr) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 582f5ea4e84..120af3db635 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1098,6 +1098,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, lpfc_sli_pcimem_bcopy((uint32_t *) entry, (uint32_t *) &rspiocbq.iocb, sizeof (IOCB_t)); + INIT_LIST_HEAD(&(rspiocbq.list)); irsp = &rspiocbq.iocb; type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); @@ -1149,6 +1150,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, } } break; + case LPFC_UNSOL_IOCB: + spin_unlock_irqrestore(phba->host->host_lock, iflag); + lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); + spin_lock_irqsave(phba->host->host_lock, iflag); + break; default: if (irsp->ulpCommand == CMD_ADAPTER_MSG) { char adaptermsg[LPFC_MAX_ADPTMSG]; @@ -2472,13 +2478,17 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) psli = &phba->sli; /* Adjust cmd/rsp ring iocb entries more evenly */ + + /* Take some away from the FCP ring */ pring = &psli->ring[psli->fcp_ring]; pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; - pring = &psli->ring[1]; + /* and give them to the extra ring */ + pring = &psli->ring[psli->extra_ring]; + pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; @@ -2488,8 +2498,8 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) pring->iotag_max = 4096; pring->num_mask = 1; pring->prt[0].profile = 0; /* Mask 0 */ - pring->prt[0].rctl = FC_UNSOL_DATA; - pring->prt[0].type = 5; + pring->prt[0].rctl = phba->cfg_multi_ring_rctl; + pring->prt[0].type = phba->cfg_multi_ring_type; pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; return 0; } @@ -2505,7 +2515,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) psli->sli_flag = 0; psli->fcp_ring = LPFC_FCP_RING; psli->next_ring = LPFC_FCP_NEXT_RING; - psli->ip_ring = LPFC_IP_RING; + psli->extra_ring = LPFC_EXTRA_RING; psli->iocbq_lookup = NULL; psli->iocbq_lookup_len = 0; @@ -2528,7 +2538,7 @@ lpfc_sli_setup(struct lpfc_hba *phba) pring->fast_iotag = pring->iotag_max; pring->num_mask = 0; break; - case LPFC_IP_RING: /* ring 1 - IP */ + case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ /* numCiocb and numRiocb are used in config_port */ pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; @@ -3238,6 +3248,21 @@ lpfc_intr_handler(int irq, void *dev_id) lpfc_sli_handle_fast_ring_event(phba, &phba->sli.ring[LPFC_FCP_RING], status); + + if (phba->cfg_multi_ring_support == 2) { + /* + * Process all events on extra ring. Take the optimized path + * for extra ring IO. Any other IO is slow path and is handled + * by the worker thread. + */ + status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); + status >>= (4*LPFC_EXTRA_RING); + if (status & HA_RXATT) { + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_EXTRA_RING], + status); + } + } return IRQ_HANDLED; } /* lpfc_intr_handler */ diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index e26de680935..a43549959dc 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -198,7 +198,7 @@ struct lpfc_sli { int fcp_ring; /* ring used for FCP initiator commands */ int next_ring; - int ip_ring; /* ring used for IP network drv cmds */ + int extra_ring; /* extra ring used for other protocols */ struct lpfc_sli_stat slistat; /* SLI statistical info */ struct list_head mboxq; -- cgit v1.2.3 From 146911500f2572fba31895aebacdc4f283208c37 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:34:28 -0500 Subject: [SCSI] lpfc 8.1.11 : Fix Memory leaks Fix Memory leaks associated with mbox cmds READ_LA, READ_SPARAM, REG_LOGIN Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_els.c | 21 ++++++++++++++++++--- drivers/scsi/lpfc/lpfc_hbadisc.c | 18 ++++++++++++++++-- drivers/scsi/lpfc/lpfc_init.c | 4 +++- drivers/scsi/lpfc/lpfc_nportdisc.c | 5 ++++- 4 files changed, 41 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a47e5ab1ec4..a5f33a0dd4e 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -243,6 +243,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, struct serv_parm *sp, IOCB_t *irsp) { LPFC_MBOXQ_t *mbox; + struct lpfc_dmabuf *mp; int rc; spin_lock_irq(phba->host->host_lock); @@ -307,10 +308,14 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); if (rc == MBX_NOT_FINISHED) - goto fail_free_mbox; + goto fail_issue_reg_login; return 0; + fail_issue_reg_login: + mp = (struct lpfc_dmabuf *) mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); fail_free_mbox: mempool_free(mbox, phba->mbox_mem_pool); fail: @@ -1857,6 +1862,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, IOCB_t *irsp; struct lpfc_nodelist *ndlp; LPFC_MBOXQ_t *mbox = NULL; + struct lpfc_dmabuf *mp; irsp = &rspiocb->iocb; @@ -1868,6 +1874,11 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, /* Check to see if link went down during discovery */ if ((lpfc_els_chk_latt(phba)) || !ndlp) { if (mbox) { + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } mempool_free( mbox, phba->mbox_mem_pool); } goto out; @@ -1899,9 +1910,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } /* NOTE: we should have messages for unsuccessful reglogin */ - mempool_free( mbox, phba->mbox_mem_pool); } else { - mempool_free( mbox, phba->mbox_mem_pool); /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || @@ -1913,6 +1922,12 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } } } + mp = (struct lpfc_dmabuf *) mbox->context1; + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + mempool_free(mbox, phba->mbox_mem_pool); } out: if (ndlp) { diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 7c28184ad56..1118b6d49fc 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -715,6 +715,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) { int i; LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; + struct lpfc_dmabuf *mp; + int rc; + sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -793,16 +796,27 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) if (sparam_mbox) { lpfc_read_sparam(phba, sparam_mbox); sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; - lpfc_sli_issue_mbox(phba, sparam_mbox, + rc = lpfc_sli_issue_mbox(phba, sparam_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mp = (struct lpfc_dmabuf *) sparam_mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + mempool_free(sparam_mbox, phba->mbox_mem_pool); + if (cfglink_mbox) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); + return; + } } if (cfglink_mbox) { phba->hba_state = LPFC_LOCAL_CFG_LINK; lpfc_config_link(phba, cfglink_mbox); cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; - lpfc_sli_issue_mbox(phba, cfglink_mbox, + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) + mempool_free(cfglink_mbox, phba->mbox_mem_pool); } } diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index fd734b0fe95..6b0718573ac 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -611,7 +611,7 @@ lpfc_handle_latt(struct lpfc_hba * phba) pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); if (rc == MBX_NOT_FINISHED) - goto lpfc_handle_latt_free_mp; + goto lpfc_handle_latt_free_mbuf; /* Clear Link Attention in HA REG */ spin_lock_irq(phba->host->host_lock); @@ -621,6 +621,8 @@ lpfc_handle_latt(struct lpfc_hba * phba) return; +lpfc_handle_latt_free_mbuf: + lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_handle_latt_free_mp: kfree(mp); lpfc_handle_latt_free_pmb: diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 958c330ecaa..0c7e731dc45 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -739,7 +739,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, uint32_t evt) { struct lpfc_iocbq *cmdiocb, *rspiocb; - struct lpfc_dmabuf *pcmd, *prsp; + struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; IOCB_t *irsp; struct serv_parm *sp; @@ -829,6 +829,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, NLP_REGLOGIN_LIST); return ndlp->nlp_state; } + mp = (struct lpfc_dmabuf *)mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); mempool_free(mbox, phba->mbox_mem_pool); } else { mempool_free(mbox, phba->mbox_mem_pool); -- cgit v1.2.3 From c7743956f8cb7b496c05d8444050eba908662a14 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:34:42 -0500 Subject: [SCSI] lpfc 8.1.11 : Adjust LOG_FCP logging Adjust LOG_FCP logging to be more meaningful. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_attr.c | 2 +- drivers/scsi/lpfc/lpfc_logmsg.h | 2 +- drivers/scsi/lpfc/lpfc_scsi.c | 35 ++++++++++++++++++++++------------- 3 files changed, 24 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f05ef301130..73d3afc72de 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -806,7 +806,7 @@ static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, # LOG_NODE 0x80 Node table events # LOG_MISC 0x400 Miscellaneous events # LOG_SLI 0x800 SLI events -# LOG_CHK_COND 0x1000 FCP Check condition flag +# LOG_FCP_ERROR 0x1000 Only log FCP errors # LOG_LIBDFC 0x2000 LIBDFC events # LOG_ALL_MSG 0xffff LOG all messages */ diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index 62c8ca862e9..438cbcd9eb1 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -28,7 +28,7 @@ #define LOG_NODE 0x80 /* Node table events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ -#define LOG_CHK_COND 0x1000 /* FCP Check condition flag */ +#define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ #define LOG_LIBDFC 0x2000 /* Libdfc events */ #define LOG_ALL_MSG 0xffff /* LOG all messages */ diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 97ae98dc95d..125179af470 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -297,8 +297,10 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) uint32_t fcpi_parm = lpfc_cmd->cur_iocbq.iocb.un.fcpi.fcpi_parm; uint32_t resp_info = fcprsp->rspStatus2; uint32_t scsi_status = fcprsp->rspStatus3; + uint32_t *lp; uint32_t host_status = DID_OK; uint32_t rsplen = 0; + uint32_t logit = LOG_FCP | LOG_FCP_ERROR; /* * If this is a task management command, there is no @@ -310,10 +312,25 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) goto out; } - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, - "%d:0730 FCP command failed: RSP " - "Data: x%x x%x x%x x%x x%x x%x\n", - phba->brd_no, resp_info, scsi_status, + if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) { + uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen); + if (snslen > SCSI_SENSE_BUFFERSIZE) + snslen = SCSI_SENSE_BUFFERSIZE; + + if (resp_info & RSP_LEN_VALID) + rsplen = be32_to_cpu(fcprsp->rspRspLen); + memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen); + } + lp = (uint32_t *)cmnd->sense_buffer; + + if (!scsi_status && (resp_info & RESID_UNDER)) + logit = LOG_FCP; + + lpfc_printf_log(phba, KERN_WARNING, logit, + "%d:0730 FCP command x%x failed: x%x SNS x%x x%x " + "Data: x%x x%x x%x x%x x%x\n", + phba->brd_no, cmnd->cmnd[0], scsi_status, + be32_to_cpu(*lp), be32_to_cpu(*(lp + 3)), resp_info, be32_to_cpu(fcprsp->rspResId), be32_to_cpu(fcprsp->rspSnsLen), be32_to_cpu(fcprsp->rspRspLen), @@ -328,14 +345,6 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) } } - if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) { - uint32_t snslen = be32_to_cpu(fcprsp->rspSnsLen); - if (snslen > SCSI_SENSE_BUFFERSIZE) - snslen = SCSI_SENSE_BUFFERSIZE; - - memcpy(cmnd->sense_buffer, &fcprsp->rspInfo0 + rsplen, snslen); - } - cmnd->resid = 0; if (resp_info & RESID_UNDER) { cmnd->resid = be32_to_cpu(fcprsp->rspResId); @@ -378,7 +387,7 @@ lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) */ } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm && (cmnd->sc_data_direction == DMA_FROM_DEVICE)) { - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP, + lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR, "%d:0734 FCP Read Check Error Data: " "x%x x%x x%x x%x\n", phba->brd_no, be32_to_cpu(fcpcmd->fcpDl), -- cgit v1.2.3 From 4ff43246e45943200ae3233732adf8708c2faef6 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:34:56 -0500 Subject: [SCSI] lpfc 8.1.11 : Add MSI (Message Signalled Interrupts) support Add MSI (Message Signalled Interrupts) support Actual use must be enabled via the new module parameter "lpfc_use_msi" Defaults to no use Many thanks to Frederic Temporelli who implemented the initial patch. Signed-off-by: Frederic Temporelli Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 1 + drivers/scsi/lpfc/lpfc_attr.c | 11 +++++++++++ drivers/scsi/lpfc/lpfc_init.c | 10 ++++++++++ 3 files changed, 22 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index e94190e83fc..1ec9cf0e374 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -303,6 +303,7 @@ struct lpfc_hba { uint32_t cfg_max_luns; uint32_t cfg_poll; uint32_t cfg_poll_tmo; + uint32_t cfg_use_msi; uint32_t cfg_sg_seg_cnt; uint32_t cfg_sg_dma_buf_size; uint64_t cfg_soft_wwpn; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 73d3afc72de..e2ac7ba3d8a 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -961,6 +961,15 @@ LPFC_ATTR_R(max_luns, 255, 0, 65535, LPFC_ATTR_RW(poll_tmo, 10, 1, 255, "Milliseconds driver will wait between polling FCP ring"); +/* +# lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that +# support this feature +# 0 = MSI disabled (default) +# 1 = MSI enabled +# Value range is [0,1]. Default value is 0. +*/ +LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); + struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_info, @@ -999,6 +1008,7 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_issue_reset, &class_device_attr_lpfc_poll, &class_device_attr_lpfc_poll_tmo, + &class_device_attr_lpfc_use_msi, &class_device_attr_lpfc_soft_wwpn, &class_device_attr_lpfc_soft_wwpn_enable, NULL, @@ -1801,6 +1811,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_discovery_threads_init(phba, lpfc_discovery_threads); lpfc_max_luns_init(phba, lpfc_max_luns); lpfc_poll_tmo_init(phba, lpfc_poll_tmo); + lpfc_use_msi_init(phba, lpfc_use_msi); lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); phba->cfg_poll = lpfc_poll; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 6b0718573ac..71ee0cd3221 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1653,6 +1653,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) if (error) goto out_remove_host; + if (phba->cfg_use_msi) { + error = pci_enable_msi(phba->pcidev); + if (error) + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 " + "Enable MSI failed, continuing with " + "IRQ\n", phba->brd_no); + } + error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, LPFC_DRIVER_NAME, phba); if (error) { @@ -1732,6 +1740,7 @@ out_free_irq: lpfc_stop_timer(phba); phba->work_hba_events = 0; free_irq(phba->pcidev->irq, phba); + pci_disable_msi(phba->pcidev); out_free_sysfs_attr: lpfc_free_sysfs_attr(phba); out_remove_host: @@ -1798,6 +1807,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) /* Release the irq reservation */ free_irq(phba->pcidev->irq, phba); + pci_disable_msi(phba->pcidev); lpfc_cleanup(phba, 0); lpfc_stop_timer(phba); -- cgit v1.2.3 From 18a3b5966611b1d6f539e3e0bf863ad13a44dd45 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:35:08 -0500 Subject: [SCSI] lpfc 8.1.11 : Removed decoding of PCI Subsystem Id To avoid continually updating the driver for new subsystem ids (as adapter modules are proliferating), remove this 2nd level decode. Genericize the reported Adapter names to be consistent across Emulex product line. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw.h | 6 --- drivers/scsi/lpfc/lpfc_init.c | 113 +++++++++++++----------------------------- 2 files changed, 35 insertions(+), 84 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 0d08a50ca41..3ba1ee4ace9 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1105,12 +1105,6 @@ typedef struct { #define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11 #define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12 -#define PCI_SUBSYSTEM_ID_LP11000S 0xfc11 -#define PCI_SUBSYSTEM_ID_LP11002S 0xfc12 -#define PCI_SUBSYSTEM_ID_LPE11000S 0xfc21 -#define PCI_SUBSYSTEM_ID_LPE11002S 0xfc22 -#define PCI_SUBSYSTEM_ID_LPE11010S 0xfc2A - #define JEDEC_ID_ADDRESS 0x0080001c #define FIREFLY_JEDEC_ID 0x1ACC #define SUPERFLY_JEDEC_ID 0x0020 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 71ee0cd3221..b872519e2ce 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -804,19 +804,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) { lpfc_vpd_t *vp; uint16_t dev_id = phba->pcidev->device; - uint16_t dev_subid = phba->pcidev->subsystem_device; - uint8_t hdrtype; int max_speed; - char * ports; struct { char * name; int max_speed; - char * ports; char * bus; - } m = {"", 0, "", ""}; + } m = {"", 0, ""}; - pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); - ports = (hdrtype == 0x80) ? "2-port " : ""; if (mdp && mdp[0] != '\0' && descp && descp[0] != '\0') return; @@ -836,130 +830,93 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) switch (dev_id) { case PCI_DEVICE_ID_FIREFLY: - m = (typeof(m)){"LP6000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP6000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_SUPERFLY: if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) - m = (typeof(m)){"LP7000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP7000", max_speed, "PCI"}; else - m = (typeof(m)){"LP7000E", max_speed, "", "PCI"}; + m = (typeof(m)){"LP7000E", max_speed, "PCI"}; break; case PCI_DEVICE_ID_DRAGONFLY: - m = (typeof(m)){"LP8000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP8000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_CENTAUR: if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) - m = (typeof(m)){"LP9002", max_speed, "", "PCI"}; + m = (typeof(m)){"LP9002", max_speed, "PCI"}; else - m = (typeof(m)){"LP9000", max_speed, "", "PCI"}; + m = (typeof(m)){"LP9000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_RFLY: - m = (typeof(m)){"LP952", max_speed, "", "PCI"}; + m = (typeof(m)){"LP952", max_speed, "PCI"}; break; case PCI_DEVICE_ID_PEGASUS: - m = (typeof(m)){"LP9802", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_THOR: - if (hdrtype == 0x80) - m = (typeof(m)){"LP10000DC", - max_speed, ports, "PCI-X"}; - else - m = (typeof(m)){"LP10000", - max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_VIPER: - m = (typeof(m)){"LPX1000", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_PFLY: - m = (typeof(m)){"LP982", max_speed, "", "PCI-X"}; + m = (typeof(m)){"LP982", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_TFLY: - if (hdrtype == 0x80) - m = (typeof(m)){"LP1050DC", max_speed, ports, "PCI-X"}; - else - m = (typeof(m)){"LP1050", max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_HELIOS: - if (hdrtype == 0x80) - m = (typeof(m)){"LP11002", max_speed, ports, "PCI-X2"}; - else - m = (typeof(m)){"LP11000", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_SCSP: - m = (typeof(m)){"LP11000-SP", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_DCSP: - m = (typeof(m)){"LP11002-SP", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_NEPTUNE: - if (hdrtype == 0x80) - m = (typeof(m)){"LPe1002", max_speed, ports, "PCIe"}; - else - m = (typeof(m)){"LPe1000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_SCSP: - m = (typeof(m)){"LPe1000-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_DCSP: - m = (typeof(m)){"LPe1002-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_BMID: - m = (typeof(m)){"LP1150", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_BSMB: - m = (typeof(m)){"LP111", max_speed, ports, "PCI-X2"}; + m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_ZEPHYR: - if (hdrtype == 0x80) - m = (typeof(m)){"LPe11002", max_speed, ports, "PCIe"}; - else - m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_SCSP: - m = (typeof(m)){"LPe11000", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: - m = (typeof(m)){"LPe11002-SP", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZMID: - m = (typeof(m)){"LPe1150", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZSMB: - m = (typeof(m)){"LPe111", max_speed, ports, "PCIe"}; + m = (typeof(m)){"LPe111", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_LP101: - m = (typeof(m)){"LP101", max_speed, ports, "PCI-X"}; + m = (typeof(m)){"LP101", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_LP10000S: - m = (typeof(m)){"LP10000-S", max_speed, ports, "PCI"}; + m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; break; case PCI_DEVICE_ID_LP11000S: + m = (typeof(m)){"LP11000-S", max_speed, + "PCI-X2"}; + break; case PCI_DEVICE_ID_LPE11000S: - switch (dev_subid) { - case PCI_SUBSYSTEM_ID_LP11000S: - m = (typeof(m)){"LP11000-S", max_speed, - ports, "PCI-X2"}; - break; - case PCI_SUBSYSTEM_ID_LP11002S: - m = (typeof(m)){"LP11002-S", max_speed, - ports, "PCI-X2"}; - break; - case PCI_SUBSYSTEM_ID_LPE11000S: - m = (typeof(m)){"LPe11000-S", max_speed, - ports, "PCIe"}; - break; - case PCI_SUBSYSTEM_ID_LPE11002S: - m = (typeof(m)){"LPe11002-S", max_speed, - ports, "PCIe"}; - break; - case PCI_SUBSYSTEM_ID_LPE11010S: - m = (typeof(m)){"LPe11010-S", max_speed, - "10-port ", "PCIe"}; - break; - default: - m = (typeof(m)){ NULL }; - break; - } + m = (typeof(m)){"LPe11000-S", max_speed, + "PCIe"}; break; default: m = (typeof(m)){ NULL }; @@ -970,8 +927,8 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) snprintf(mdp, 79,"%s", m.name); if (descp && descp[0] == '\0') snprintf(descp, 255, - "Emulex %s %dGb %s%s Fibre Channel Adapter", - m.name, m.max_speed, m.ports, m.bus); + "Emulex %s %dGb %s Fibre Channel Adapter", + m.name, m.max_speed, m.bus); } /**************************************************/ -- cgit v1.2.3 From a12e07bc6297b6cb97889ca7dfbed6c39048b1c1 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:35:30 -0500 Subject: [SCSI] lpfc 8.1.11 : Add soft_wwnn sysfs attribute, rename soft_wwn_enable The driver now allows both wwpn and wwnn to be set. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 3 +- drivers/scsi/lpfc/lpfc_attr.c | 84 +++++++++++++++++++++++++++++++++++----- drivers/scsi/lpfc/lpfc_hbadisc.c | 2 + drivers/scsi/lpfc/lpfc_init.c | 2 + 4 files changed, 80 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 1ec9cf0e374..a7de0bca5bd 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -306,6 +306,7 @@ struct lpfc_hba { uint32_t cfg_use_msi; uint32_t cfg_sg_seg_cnt; uint32_t cfg_sg_dma_buf_size; + uint64_t cfg_soft_wwnn; uint64_t cfg_soft_wwpn; uint32_t dev_loss_tmo_changed; @@ -358,7 +359,7 @@ struct lpfc_hba { #define VPD_PORT 0x8 /* valid vpd port data */ #define VPD_MASK 0xf /* mask for any vpd data */ - uint8_t soft_wwpn_enable; + uint8_t soft_wwn_enable; struct timer_list fcp_poll_timer; struct timer_list els_tmofunc; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index e2ac7ba3d8a..f247e786af9 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -552,10 +552,10 @@ static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); -static char *lpfc_soft_wwpn_key = "C99G71SL8032A"; +static char *lpfc_soft_wwn_key = "C99G71SL8032A"; static ssize_t -lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf, +lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf, size_t count) { struct Scsi_Host *host = class_to_shost(cdev); @@ -579,15 +579,15 @@ lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf, if (buf[cnt-1] == '\n') cnt--; - if ((cnt != strlen(lpfc_soft_wwpn_key)) || - (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0)) + if ((cnt != strlen(lpfc_soft_wwn_key)) || + (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) return -EINVAL; - phba->soft_wwpn_enable = 1; + phba->soft_wwn_enable = 1; return count; } -static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL, - lpfc_soft_wwpn_enable_store); +static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, + lpfc_soft_wwn_enable_store); static ssize_t lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) @@ -613,12 +613,12 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) if (buf[cnt-1] == '\n') cnt--; - if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) || + if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) return -EINVAL; - phba->soft_wwpn_enable = 0; + phba->soft_wwn_enable = 0; memset(wwpn, 0, sizeof(wwpn)); @@ -639,6 +639,8 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) } phba->cfg_soft_wwpn = wwn_to_u64(wwpn); fc_host_port_name(host) = phba->cfg_soft_wwpn; + if (phba->cfg_soft_wwnn) + fc_host_node_name(host) = phba->cfg_soft_wwnn; dev_printk(KERN_NOTICE, &phba->pcidev->dev, "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); @@ -664,6 +666,66 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); +static ssize_t +lpfc_soft_wwnn_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + return snprintf(buf, PAGE_SIZE, "0x%llx\n", + (unsigned long long)phba->cfg_soft_wwnn); +} + + +static ssize_t +lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count) +{ + struct Scsi_Host *host = class_to_shost(cdev); + struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + unsigned int i, j, cnt=count; + u8 wwnn[8]; + + /* count may include a LF at end of string */ + if (buf[cnt-1] == '\n') + cnt--; + + if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || + ((cnt == 17) && (*buf++ != 'x')) || + ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) + return -EINVAL; + + /* + * Allow wwnn to be set many times, as long as the enable is set. + * However, once the wwpn is set, everything locks. + */ + + memset(wwnn, 0, sizeof(wwnn)); + + /* Validate and store the new name */ + for (i=0, j=0; i < 16; i++) { + if ((*buf >= 'a') && (*buf <= 'f')) + j = ((j << 4) | ((*buf++ -'a') + 10)); + else if ((*buf >= 'A') && (*buf <= 'F')) + j = ((j << 4) | ((*buf++ -'A') + 10)); + else if ((*buf >= '0') && (*buf <= '9')) + j = ((j << 4) | (*buf++ -'0')); + else + return -EINVAL; + if (i % 2) { + wwnn[i/2] = j & 0xff; + j = 0; + } + } + phba->cfg_soft_wwnn = wwn_to_u64(wwnn); + + dev_printk(KERN_NOTICE, &phba->pcidev->dev, + "lpfc%d: soft_wwnn set. Value will take effect upon " + "setting of the soft_wwpn\n", phba->brd_no); + + return count; +} +static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ + lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); + static int lpfc_poll = 0; module_param(lpfc_poll, int, 0); @@ -1009,8 +1071,9 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_lpfc_poll, &class_device_attr_lpfc_poll_tmo, &class_device_attr_lpfc_use_msi, + &class_device_attr_lpfc_soft_wwnn, &class_device_attr_lpfc_soft_wwpn, - &class_device_attr_lpfc_soft_wwpn_enable, + &class_device_attr_lpfc_soft_wwn_enable, NULL, }; @@ -1815,6 +1878,7 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); phba->cfg_poll = lpfc_poll; + phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; /* diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 1118b6d49fc..c39564e85e9 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -672,6 +672,8 @@ lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, sizeof (struct serv_parm)); + if (phba->cfg_soft_wwnn) + u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn); if (phba->cfg_soft_wwpn) u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); memcpy((uint8_t *) & phba->fc_nodename, diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index b872519e2ce..cf9081c262d 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -268,6 +268,8 @@ lpfc_config_port_post(struct lpfc_hba * phba) kfree(mp); pmb->context1 = NULL; + if (phba->cfg_soft_wwnn) + u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn); if (phba->cfg_soft_wwpn) u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, -- cgit v1.2.3 From f56035110661417e15814fa08e1f4bf19cb26f93 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:35:43 -0500 Subject: [SCSI] lpfc 8.1.11 : Misc Fixes Misc Fixes: - Prevent references to NULL node list element in reset routines. - Add missing IOCB types to switch tables - Reset the card on Port Error 5 - Fix infinite loop in LUN reset Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw.h | 7 +++++++ drivers/scsi/lpfc/lpfc_init.c | 3 ++- drivers/scsi/lpfc/lpfc_scsi.c | 21 +++++++++++++++++++-- drivers/scsi/lpfc/lpfc_sli.c | 7 +++++++ 4 files changed, 35 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 3ba1ee4ace9..f79cb613690 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1294,6 +1294,10 @@ typedef struct { /* FireFly BIU registers */ #define CMD_FCP_IREAD_CX 0x1B #define CMD_FCP_ICMND_CR 0x1C #define CMD_FCP_ICMND_CX 0x1D +#define CMD_FCP_TSEND_CX 0x1F +#define CMD_FCP_TRECEIVE_CX 0x21 +#define CMD_FCP_TRSP_CX 0x23 +#define CMD_FCP_AUTO_TRSP_CX 0x29 #define CMD_ADAPTER_MSG 0x20 #define CMD_ADAPTER_DUMP 0x22 @@ -1320,6 +1324,9 @@ typedef struct { /* FireFly BIU registers */ #define CMD_FCP_IREAD64_CX 0x9B #define CMD_FCP_ICMND64_CR 0x9C #define CMD_FCP_ICMND64_CX 0x9D +#define CMD_FCP_TSEND64_CX 0x9F +#define CMD_FCP_TRECEIVE64_CX 0xA1 +#define CMD_FCP_TRSP64_CX 0xA3 #define CMD_GEN_REQUEST64_CR 0xC2 #define CMD_GEN_REQUEST64_CX 0xC3 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index cf9081c262d..afca45cdbce 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -519,7 +519,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba) struct lpfc_sli_ring *pring; uint32_t event_data; - if (phba->work_hs & HS_FFER6) { + if (phba->work_hs & HS_FFER6 || + phba->work_hs & HS_FFER5) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, "%d:1301 Re-establishing Link " diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 125179af470..c3e68e0d8f7 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -679,6 +679,9 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, struct lpfc_iocbq *iocbqrsp; int ret; + if (!rdata->pnode) + return FAILED; + lpfc_cmd->rdata = rdata; ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun, FCP_TARGET_RESET); @@ -985,20 +988,34 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) lpfc_block_error_handler(cmnd); spin_lock_irq(shost->host_lock); + loopcnt = 0; /* * If target is not in a MAPPED state, delay the reset until * target is rediscovered or devloss timeout expires. */ while ( 1 ) { if (!pnode) - break; + return FAILED; if (pnode->nlp_state != NLP_STE_MAPPED_NODE) { spin_unlock_irq(phba->host->host_lock); schedule_timeout_uninterruptible(msecs_to_jiffies(500)); spin_lock_irq(phba->host->host_lock); + loopcnt++; + rdata = cmnd->device->hostdata; + if (!rdata || + (loopcnt > ((phba->cfg_devloss_tmo * 2) + 1))) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "%d:0721 LUN Reset rport failure:" + " cnt x%x rdata x%p\n", + phba->brd_no, loopcnt, rdata); + goto out; + } + pnode = rdata->pnode; + if (!pnode) + return FAILED; } - if ((pnode) && (pnode->nlp_state == NLP_STE_MAPPED_NODE)) + if (pnode->nlp_state == NLP_STE_MAPPED_NODE) break; } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 120af3db635..a4128e19338 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -117,6 +117,10 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_FCP_IREAD_CX: case CMD_FCP_ICMND_CR: case CMD_FCP_ICMND_CX: + case CMD_FCP_TSEND_CX: + case CMD_FCP_TRSP_CX: + case CMD_FCP_TRECEIVE_CX: + case CMD_FCP_AUTO_TRSP_CX: case CMD_ADAPTER_MSG: case CMD_ADAPTER_DUMP: case CMD_XMIT_SEQUENCE64_CR: @@ -131,6 +135,9 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_FCP_IREAD64_CX: case CMD_FCP_ICMND64_CR: case CMD_FCP_ICMND64_CX: + case CMD_FCP_TSEND64_CX: + case CMD_FCP_TRSP64_CX: + case CMD_FCP_TRECEIVE64_CX: case CMD_GEN_REQUEST64_CR: case CMD_GEN_REQUEST64_CX: case CMD_XMIT_ELS_RSP64_CX: -- cgit v1.2.3 From ba8d55048ae08c442a27944e8beb76e73c3cce03 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sat, 2 Dec 2006 13:36:04 -0500 Subject: [SCSI] lpfc 8.1.11 : Change version number to 8.1.11 Change version number to 8.1.11 Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index ac417908b40..a61ef3d1e7f 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.1.10" +#define LPFC_DRIVER_VERSION "8.1.11" #define LPFC_DRIVER_NAME "lpfc" -- cgit v1.2.3 From 024879ead9594acab30ce9e23c955086e2d967a0 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Wed, 15 Nov 2006 18:03:07 -0600 Subject: [SCSI] libsas: better error handling in sas_expander.c With async scanning, we're now tripping the BUG_ON in sas_ex_discover_end_dev(), so make the error handling here correct. Signed-off-by: James Bottomley --- drivers/scsi/libsas/sas_expander.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index e34a9343549..d31e6fa466f 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -597,10 +597,15 @@ static struct domain_device *sas_ex_discover_end_dev( child->iproto = phy->attached_iproto; memcpy(child->sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); sas_hash_addr(child->hashed_sas_addr, child->sas_addr); - phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); - BUG_ON(!phy->port); - /* FIXME: better error handling*/ - BUG_ON(sas_port_add(phy->port) != 0); + if (!phy->port) { + phy->port = sas_port_alloc(&parent->rphy->dev, phy_id); + if (unlikely(!phy->port)) + goto out_err; + if (unlikely(sas_port_add(phy->port) != 0)) { + sas_port_free(phy->port); + goto out_err; + } + } sas_ex_get_linkrate(parent, child, phy); if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) { @@ -615,8 +620,7 @@ static struct domain_device *sas_ex_discover_end_dev( SAS_DPRINTK("report phy sata to %016llx:0x%x returned " "0x%x\n", SAS_ADDR(parent->sas_addr), phy_id, res); - kfree(child); - return NULL; + goto out_free; } memcpy(child->frame_rcvd, &child->sata_dev.rps_resp.rps.fis, sizeof(struct dev_to_host_fis)); @@ -627,14 +631,14 @@ static struct domain_device *sas_ex_discover_end_dev( "%016llx:0x%x returned 0x%x\n", SAS_ADDR(child->sas_addr), SAS_ADDR(parent->sas_addr), phy_id, res); - kfree(child); - return NULL; + goto out_free; } } else if (phy->attached_tproto & SAS_PROTO_SSP) { child->dev_type = SAS_END_DEV; rphy = sas_end_device_alloc(phy->port); /* FIXME: error handling */ - BUG_ON(!rphy); + if (unlikely(!rphy)) + goto out_free; child->tproto = phy->attached_tproto; sas_init_dev(child); @@ -651,9 +655,7 @@ static struct domain_device *sas_ex_discover_end_dev( "at %016llx:0x%x returned 0x%x\n", SAS_ADDR(child->sas_addr), SAS_ADDR(parent->sas_addr), phy_id, res); - /* FIXME: this kfrees list elements without removing them */ - //kfree(child); - return NULL; + goto out_list_del; } } else { SAS_DPRINTK("target proto 0x%x at %016llx:0x%x not handled\n", @@ -663,6 +665,16 @@ static struct domain_device *sas_ex_discover_end_dev( list_add_tail(&child->siblings, &parent_ex->children); return child; + + out_list_del: + list_del(&child->dev_list_node); + sas_rphy_free(rphy); + out_free: + sas_port_delete(phy->port); + out_err: + phy->port = NULL; + kfree(child); + return NULL; } static struct domain_device *sas_ex_discover_expander( -- cgit v1.2.3 From 9cb427b6ff0b3e235c518acf5c1fcbbfc95f0ae2 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 2 Nov 2006 00:10:16 +0100 Subject: r8169: more magic during initialization of the hardware Mostly taken from Realtek's driver. It's a bit yucky but the original is even worse. Signed-off-by: Francois Romieu Signed-off-by: Darren Salt --- drivers/net/r8169.c | 58 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 44 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 45d3ca43195..c8fa9b1b229 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1815,12 +1815,25 @@ static void rtl8169_hw_reset(void __iomem *ioaddr) RTL_R8(ChipCmd); } -static void -rtl8169_hw_start(struct net_device *dev) +static void rtl8169_set_rx_tx_config_registers(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + u32 cfg = rtl8169_rx_config; + + cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); + RTL_W32(RxConfig, cfg); + + /* Set DMA burst size and Interframe Gap Time */ + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); +} + +static void rtl8169_hw_start(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; struct pci_dev *pdev = tp->pci_dev; + u16 cmd; u32 i; /* Soft reset the chip. */ @@ -1833,6 +1846,11 @@ rtl8169_hw_start(struct net_device *dev) msleep_interruptible(1); } + if (tp->mac_version == RTL_GIGA_MAC_VER_05) { + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); + pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); + } + if (tp->mac_version == RTL_GIGA_MAC_VER_13) { pci_write_config_word(pdev, 0x68, 0x00); pci_write_config_word(pdev, 0x69, 0x08); @@ -1840,8 +1858,6 @@ rtl8169_hw_start(struct net_device *dev) /* Undocumented stuff. */ if (tp->mac_version == RTL_GIGA_MAC_VER_05) { - u16 cmd; - /* Realtek's r1000_n.c driver uses '&& 0x01' here. Well... */ if ((RTL_R8(Config2) & 0x07) & 0x01) RTL_W32(0x7c, 0x0007ffff); @@ -1853,23 +1869,29 @@ rtl8169_hw_start(struct net_device *dev) pci_write_config_word(pdev, PCI_COMMAND, cmd); } - RTL_W8(Cfg9346, Cfg9346_Unlock); + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + RTL_W8(EarlyTxThres, EarlyTxThld); /* Low hurts. Let's disable the filtering. */ RTL_W16(RxMaxSize, 16383); - /* Set Rx Config register */ - i = rtl8169_rx_config | - (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); - RTL_W32(RxConfig, i); + if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || + (tp->mac_version == RTL_GIGA_MAC_VER_02) || + (tp->mac_version == RTL_GIGA_MAC_VER_03) || + (tp->mac_version == RTL_GIGA_MAC_VER_04)) + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl8169_set_rx_tx_config_registers(tp); - /* Set DMA burst size and Interframe Gap Time */ - RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | - (InterFrameGap << TxInterFrameGapShift)); + cmd = RTL_R16(CPlusCmd); + RTL_W16(CPlusCmd, cmd); - tp->cp_cmd |= RTL_R16(CPlusCmd) | PCIMulRW; + tp->cp_cmd |= cmd | PCIMulRW; if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || (tp->mac_version == RTL_GIGA_MAC_VER_03)) { @@ -1895,7 +1917,15 @@ rtl8169_hw_start(struct net_device *dev) RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr & DMA_32BIT_MASK)); RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr >> 32)); RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr & DMA_32BIT_MASK)); - RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + + if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && + (tp->mac_version != RTL_GIGA_MAC_VER_02) && + (tp->mac_version != RTL_GIGA_MAC_VER_03) && + (tp->mac_version != RTL_GIGA_MAC_VER_04)) { + RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + rtl8169_set_rx_tx_config_registers(tp); + } + RTL_W8(Cfg9346, Cfg9346_Lock); /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ -- cgit v1.2.3 From d03902b8864d7814c938f67befade5a3bba68708 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 23 Nov 2006 00:00:42 +0100 Subject: r8169: tweak the PCI data parity error recovery The 8110SB based n2100 board signals a lot of what ought to be PCI data parity errors durint operation of the 8169 as target. Experiment proved that the driver can ignore the error and process the packet as if nothing had happened. Let's add an ad-hoc knob to enable users to fix their system while avoiding the risks of a wholesale change. Signed-off-by: Francois Romieu --- drivers/net/r8169.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index c8fa9b1b229..7438049ca6d 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -225,6 +225,7 @@ MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); static int rx_copybreak = 200; static int use_dac; +static int ignore_parity_err; static struct { u32 msg_enable; } debug = { -1 }; @@ -469,6 +470,8 @@ module_param(use_dac, int, 0); MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); module_param_named(debug, debug.msg_enable, int, 0); MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); +module_param_named(ignore_parity_err, ignore_parity_err, bool, 0); +MODULE_PARM_DESC(ignore_parity_err, "Ignore PCI parity error as target. Default: false"); MODULE_LICENSE("GPL"); MODULE_VERSION(RTL8169_VERSION); @@ -2380,12 +2383,17 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev) /* * The recovery sequence below admits a very elaborated explanation: * - it seems to work; - * - I did not see what else could be done. + * - I did not see what else could be done; + * - it makes iop3xx happy. * * Feel free to adjust to your needs. */ - pci_write_config_word(pdev, PCI_COMMAND, - pci_cmd | PCI_COMMAND_SERR | PCI_COMMAND_PARITY); + if (ignore_parity_err) + pci_cmd &= ~PCI_COMMAND_PARITY; + else + pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; + + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); pci_write_config_word(pdev, PCI_STATUS, pci_status & (PCI_STATUS_DETECTED_PARITY | @@ -2399,10 +2407,11 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev) tp->cp_cmd &= ~PCIDAC; RTL_W16(CPlusCmd, tp->cp_cmd); dev->features &= ~NETIF_F_HIGHDMA; - rtl8169_schedule_work(dev, rtl8169_reinit_task); } rtl8169_hw_reset(ioaddr); + + rtl8169_schedule_work(dev, rtl8169_reinit_task); } static void -- cgit v1.2.3 From 12d86f682e8acad8555718dc7b0082590f2365d0 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 2 Nov 2006 00:24:52 +0100 Subject: r8169: phy program update This is commented out in Realtek's driver as well. Signed-off-by: Francois Romieu --- drivers/net/r8169.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 7438049ca6d..0b57050252e 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1286,11 +1286,6 @@ static void rtl8169_hw_phy_config(struct net_device *dev) /* Shazam ! */ if (tp->mac_version == RTL_GIGA_MAC_VER_04) { - mdio_write(ioaddr, 31, 0x0001); - mdio_write(ioaddr, 9, 0x273a); - mdio_write(ioaddr, 14, 0x7bfb); - mdio_write(ioaddr, 27, 0x841e); - mdio_write(ioaddr, 31, 0x0002); mdio_write(ioaddr, 1, 0x90d0); mdio_write(ioaddr, 31, 0x0000); -- cgit v1.2.3 From cc9f022d97d08e4e36d38661857991fe91447d68 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Fri, 17 Nov 2006 23:15:17 +0100 Subject: r8169: more alignment for the 0x8168 Two thirds of packets are lost because of misalignment. Users of Asus laptop did apparently not notice it. Reported on Gigabyte GA-945GM-S2. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7517 Signed-off-by: Francois Romieu --- drivers/net/r8169.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 0b57050252e..2379d83768d 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2018,7 +2018,7 @@ static int rtl8169_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff, if (!skb) goto err_out; - skb_reserve(skb, align); + skb_reserve(skb, (align - 1) & (u32)skb->data); *sk_buff = skb; mapping = pci_map_single(pdev, skb->data, rx_buf_sz, @@ -2486,7 +2486,7 @@ static inline int rtl8169_try_rx_copy(struct sk_buff **sk_buff, int pkt_size, skb = dev_alloc_skb(pkt_size + align); if (skb) { - skb_reserve(skb, align); + skb_reserve(skb, (align - 1) & (u32)skb->data); eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0); *sk_buff = skb; rtl8169_mark_to_asic(desc, rx_buf_sz); -- cgit v1.2.3 From d916faace3efc0bf19fe9a615a1ab8fa1a24cd93 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sun, 3 Dec 2006 22:22:41 -0500 Subject: Remove long-unmaintained ftape driver subsystem. It's bitrotten, long unmaintained, long hidden under BROKEN_ON_SMP, etc. As scheduled in feature-removal-schedule.txt, and ack'd several times on lkml. Signed-off-by: Jeff Garzik --- drivers/char/Kconfig | 33 - drivers/char/Makefile | 1 - drivers/char/ftape/Kconfig | 330 ------ drivers/char/ftape/Makefile | 28 - drivers/char/ftape/README.PCI | 81 -- drivers/char/ftape/RELEASE-NOTES | 966 --------------- drivers/char/ftape/compressor/Makefile | 31 - drivers/char/ftape/compressor/lzrw3.c | 743 ------------ drivers/char/ftape/compressor/lzrw3.h | 253 ---- drivers/char/ftape/compressor/zftape-compress.c | 1203 ------------------- drivers/char/ftape/compressor/zftape-compress.h | 83 -- drivers/char/ftape/lowlevel/Makefile | 43 - drivers/char/ftape/lowlevel/fc-10.c | 175 --- drivers/char/ftape/lowlevel/fc-10.h | 39 - drivers/char/ftape/lowlevel/fdc-io.c | 1349 --------------------- drivers/char/ftape/lowlevel/fdc-io.h | 252 ---- drivers/char/ftape/lowlevel/fdc-isr.c | 1170 ------------------- drivers/char/ftape/lowlevel/fdc-isr.h | 55 - drivers/char/ftape/lowlevel/ftape-bsm.c | 491 -------- drivers/char/ftape/lowlevel/ftape-bsm.h | 66 -- drivers/char/ftape/lowlevel/ftape-buffer.c | 130 --- drivers/char/ftape/lowlevel/ftape-buffer.h | 32 - drivers/char/ftape/lowlevel/ftape-calibr.c | 275 ----- drivers/char/ftape/lowlevel/ftape-calibr.h | 37 - drivers/char/ftape/lowlevel/ftape-ctl.c | 896 -------------- drivers/char/ftape/lowlevel/ftape-ctl.h | 162 --- drivers/char/ftape/lowlevel/ftape-ecc.c | 853 -------------- drivers/char/ftape/lowlevel/ftape-ecc.h | 84 -- drivers/char/ftape/lowlevel/ftape-format.c | 344 ------ drivers/char/ftape/lowlevel/ftape-format.h | 37 - drivers/char/ftape/lowlevel/ftape-init.c | 160 --- drivers/char/ftape/lowlevel/ftape-init.h | 43 - drivers/char/ftape/lowlevel/ftape-io.c | 992 ---------------- drivers/char/ftape/lowlevel/ftape-io.h | 90 -- drivers/char/ftape/lowlevel/ftape-proc.c | 214 ---- drivers/char/ftape/lowlevel/ftape-proc.h | 35 - drivers/char/ftape/lowlevel/ftape-read.c | 621 ---------- drivers/char/ftape/lowlevel/ftape-read.h | 51 - drivers/char/ftape/lowlevel/ftape-rw.c | 1092 ----------------- drivers/char/ftape/lowlevel/ftape-rw.h | 111 -- drivers/char/ftape/lowlevel/ftape-setup.c | 104 -- drivers/char/ftape/lowlevel/ftape-tracing.c | 118 -- drivers/char/ftape/lowlevel/ftape-tracing.h | 179 --- drivers/char/ftape/lowlevel/ftape-write.c | 336 ------ drivers/char/ftape/lowlevel/ftape-write.h | 53 - drivers/char/ftape/lowlevel/ftape_syms.c | 87 -- drivers/char/ftape/zftape/Makefile | 36 - drivers/char/ftape/zftape/zftape-buffers.c | 149 --- drivers/char/ftape/zftape/zftape-buffers.h | 55 - drivers/char/ftape/zftape/zftape-ctl.c | 1417 ----------------------- drivers/char/ftape/zftape/zftape-ctl.h | 58 - drivers/char/ftape/zftape/zftape-eof.c | 199 ---- drivers/char/ftape/zftape/zftape-eof.h | 52 - drivers/char/ftape/zftape/zftape-init.c | 377 ------ drivers/char/ftape/zftape/zftape-init.h | 77 -- drivers/char/ftape/zftape/zftape-read.c | 377 ------ drivers/char/ftape/zftape/zftape-read.h | 53 - drivers/char/ftape/zftape/zftape-rw.c | 375 ------ drivers/char/ftape/zftape/zftape-rw.h | 101 -- drivers/char/ftape/zftape/zftape-vtbl.c | 757 ------------ drivers/char/ftape/zftape/zftape-vtbl.h | 227 ---- drivers/char/ftape/zftape/zftape-write.c | 483 -------- drivers/char/ftape/zftape/zftape-write.h | 38 - drivers/char/ftape/zftape/zftape_syms.c | 43 - 64 files changed, 19402 deletions(-) delete mode 100644 drivers/char/ftape/Kconfig delete mode 100644 drivers/char/ftape/Makefile delete mode 100644 drivers/char/ftape/README.PCI delete mode 100644 drivers/char/ftape/RELEASE-NOTES delete mode 100644 drivers/char/ftape/compressor/Makefile delete mode 100644 drivers/char/ftape/compressor/lzrw3.c delete mode 100644 drivers/char/ftape/compressor/lzrw3.h delete mode 100644 drivers/char/ftape/compressor/zftape-compress.c delete mode 100644 drivers/char/ftape/compressor/zftape-compress.h delete mode 100644 drivers/char/ftape/lowlevel/Makefile delete mode 100644 drivers/char/ftape/lowlevel/fc-10.c delete mode 100644 drivers/char/ftape/lowlevel/fc-10.h delete mode 100644 drivers/char/ftape/lowlevel/fdc-io.c delete mode 100644 drivers/char/ftape/lowlevel/fdc-io.h delete mode 100644 drivers/char/ftape/lowlevel/fdc-isr.c delete mode 100644 drivers/char/ftape/lowlevel/fdc-isr.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-bsm.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-bsm.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-buffer.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-buffer.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-calibr.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-calibr.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-ctl.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-ctl.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-ecc.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-ecc.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-format.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-format.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-init.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-init.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-io.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-io.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-proc.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-proc.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-read.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-read.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-rw.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-rw.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-setup.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-tracing.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-tracing.h delete mode 100644 drivers/char/ftape/lowlevel/ftape-write.c delete mode 100644 drivers/char/ftape/lowlevel/ftape-write.h delete mode 100644 drivers/char/ftape/lowlevel/ftape_syms.c delete mode 100644 drivers/char/ftape/zftape/Makefile delete mode 100644 drivers/char/ftape/zftape/zftape-buffers.c delete mode 100644 drivers/char/ftape/zftape/zftape-buffers.h delete mode 100644 drivers/char/ftape/zftape/zftape-ctl.c delete mode 100644 drivers/char/ftape/zftape/zftape-ctl.h delete mode 100644 drivers/char/ftape/zftape/zftape-eof.c delete mode 100644 drivers/char/ftape/zftape/zftape-eof.h delete mode 100644 drivers/char/ftape/zftape/zftape-init.c delete mode 100644 drivers/char/ftape/zftape/zftape-init.h delete mode 100644 drivers/char/ftape/zftape/zftape-read.c delete mode 100644 drivers/char/ftape/zftape/zftape-read.h delete mode 100644 drivers/char/ftape/zftape/zftape-rw.c delete mode 100644 drivers/char/ftape/zftape/zftape-rw.h delete mode 100644 drivers/char/ftape/zftape/zftape-vtbl.c delete mode 100644 drivers/char/ftape/zftape/zftape-vtbl.h delete mode 100644 drivers/char/ftape/zftape/zftape-write.c delete mode 100644 drivers/char/ftape/zftape/zftape-write.h delete mode 100644 drivers/char/ftape/zftape/zftape_syms.c (limited to 'drivers') diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index ad8b537ad47..24f922f1278 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -855,39 +855,6 @@ config TANBAC_TB0219 depends TANBAC_TB022X select GPIO_VR41XX -menu "Ftape, the floppy tape device driver" - -config FTAPE - tristate "Ftape (QIC-80/Travan) support" - depends on BROKEN_ON_SMP && (ALPHA || X86) - ---help--- - If you have a tape drive that is connected to your floppy - controller, say Y here. - - Some tape drives (like the Seagate "Tape Store 3200" or the Iomega - "Ditto 3200" or the Exabyte "Eagle TR-3") come with a "high speed" - controller of their own. These drives (and their companion - controllers) are also supported if you say Y here. - - If you have a special controller (such as the CMS FC-10, FC-20, - Mountain Mach-II, or any controller that is based on the Intel 82078 - FDC like the high speed controllers by Seagate and Exabyte and - Iomega's "Ditto Dash") you must configure it by selecting the - appropriate entries from the "Floppy tape controllers" sub-menu - below and possibly modify the default values for the IRQ and DMA - channel and the IO base in ftape's configuration menu. - - If you want to use your floppy tape drive on a PCI-bus based system, - please read the file . - - The ftape kernel driver is also available as a runtime loadable - module. To compile this driver as a module, choose M here: the - module will be called ftape. - -source "drivers/char/ftape/Kconfig" - -endmenu - source "drivers/char/agp/Kconfig" source "drivers/char/drm/Kconfig" diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 777cad04509..b1fcdab9094 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -78,7 +78,6 @@ obj-$(CONFIG_TOSHIBA) += toshiba.o obj-$(CONFIG_I8K) += i8k.o obj-$(CONFIG_DS1620) += ds1620.o obj-$(CONFIG_HW_RANDOM) += hw_random/ -obj-$(CONFIG_FTAPE) += ftape/ obj-$(CONFIG_COBALT_LCD) += lcd.o obj-$(CONFIG_PPDEV) += ppdev.o obj-$(CONFIG_NWBUTTON) += nwbutton.o diff --git a/drivers/char/ftape/Kconfig b/drivers/char/ftape/Kconfig deleted file mode 100644 index 0d65189a7ae..00000000000 --- a/drivers/char/ftape/Kconfig +++ /dev/null @@ -1,330 +0,0 @@ -# -# Ftape configuration -# -config ZFTAPE - tristate "Zftape, the VFS interface" - depends on FTAPE - ---help--- - Normally, you want to say Y or M. DON'T say N here or you - WON'T BE ABLE TO USE YOUR FLOPPY TAPE DRIVE. - - The ftape module itself no longer contains the routines necessary - to interface with the kernel VFS layer (i.e. to actually write data - to and read data from the tape drive). Instead the file system - interface (i.e. the hardware independent part of the driver) has - been moved to a separate module. - - To compile this driver as a module, choose M here: the - module will be called zftape. - - Regardless of whether you say Y or M here, an additional runtime - loadable module called `zft-compressor' which contains code to - support user transparent on-the-fly compression based on Ross - William's lzrw3 algorithm will be produced. If you have enabled the - kernel module loader (i.e. have said Y to "Kernel module loader - support", above) then `zft-compressor' will be loaded - automatically by zftape when needed. - - Despite its name, zftape does NOT use compression by default. - -config ZFT_DFLT_BLK_SZ - int "Default block size" - depends on ZFTAPE - default "10240" - ---help--- - If unsure leave this at its default value, i.e. 10240. Note that - you specify only the default block size here. The block size can be - changed at run time using the MTSETBLK tape operation with the - MTIOCTOP ioctl (i.e. with "mt -f /dev/qft0 setblk #BLKSZ" from the - shell command line). - - The probably most striking difference between zftape and previous - versions of ftape is the fact that all data must be written or read - in multiples of a fixed block size. The block size defaults to - 10240 which is what GNU tar uses. The values for the block size - should be either 1 or multiples of 1024 up to a maximum value of - 63488 (i.e. 62 K). If you specify `1' then zftape's builtin - compression will be disabled. - - Reasonable values are `10240' (GNU tar's default block size), - `5120' (afio's default block size), `32768' (default block size some - backup programs assume for SCSI tape drives) or `1' (no restriction - on block size, but disables builtin compression). - -comment "The compressor will be built as a module only!" - depends on FTAPE && ZFTAPE - -config ZFT_COMPRESSOR - tristate - depends on FTAPE!=n && ZFTAPE!=n - default m - -config FT_NR_BUFFERS - int "Number of ftape buffers (EXPERIMENTAL)" - depends on FTAPE && EXPERIMENTAL - default "3" - help - Please leave this at `3' unless you REALLY know what you are doing. - It is not necessary to change this value. Values below 3 make the - proper use of ftape impossible, values greater than 3 are a waste of - memory. You can change the amount of DMA memory used by ftape at - runtime with "mt -f /dev/qft0 setdrvbuffer #NUMBUFFERS". Each buffer - wastes 32 KB of memory. Please note that this memory cannot be - swapped out. - -config FT_PROC_FS - bool "Enable procfs status report (+2kb)" - depends on FTAPE && PROC_FS - ---help--- - Optional. Saying Y will result in creation of a directory - `/proc/ftape' under the /proc file system. The files can be viewed - with your favorite pager (i.e. use "more /proc/ftape/history" or - "less /proc/ftape/history" or simply "cat /proc/ftape/history"). The - file will contain some status information about the inserted - cartridge, the kernel driver, your tape drive, the floppy disk - controller and the error history for the most recent use of the - kernel driver. Saying Y will enlarge the size of the ftape driver - by approximately 2 KB. - - WARNING: When compiling ftape as a module (i.e. saying M to "Floppy - tape drive") it is dangerous to use ftape's /proc file system - interface. Accessing `/proc/ftape' while the module is unloaded will - result in a kernel Oops. This cannot be fixed from inside ftape. - -choice - prompt "Debugging output" - depends on FTAPE - default FT_NORMAL_DEBUG - -config FT_NORMAL_DEBUG - bool "Normal" - ---help--- - This option controls the amount of debugging output the ftape driver - is ABLE to produce; it does not increase or diminish the debugging - level itself. If unsure, leave this at its default setting, - i.e. choose "Normal". - - Ftape can print lots of debugging messages to the system console - resp. kernel log files. Reducing the amount of possible debugging - output reduces the size of the kernel module by some KB, so it might - be a good idea to use "None" for emergency boot floppies. - - If you want to save memory then the following strategy is - recommended: leave this option at its default setting "Normal" until - you know that the driver works as expected, afterwards reconfigure - the kernel, this time specifying "Reduced" or "None" and recompile - and install the kernel as usual. Note that choosing "Excessive" - debugging output does not increase the amount of debugging output - printed to the console but only makes it possible to produce - "Excessive" debugging output. - - Please read for a short description - how to control the amount of debugging output. - -config FT_FULL_DEBUG - bool "Excessive" - help - Extremely verbose output for driver debugging purposes. - -config FT_NO_TRACE - bool "Reduced" - help - Reduced tape driver debugging output. - -config FT_NO_TRACE_AT_ALL - bool "None" - help - Suppress all debugging output from the tape drive. - -endchoice - -comment "Hardware configuration" - depends on FTAPE - -choice - prompt "Floppy tape controllers" - depends on FTAPE - default FT_STD_FDC - -config FT_STD_FDC - bool "Standard" - ---help--- - Only change this setting if you have a special controller. If you - didn't plug any add-on card into your computer system but just - plugged the floppy tape cable into the already existing floppy drive - controller then you don't want to change the default setting, - i.e. choose "Standard". - - Choose "MACH-2" if you have a Mountain Mach-2 controller. - Choose "FC-10/FC-20" if you have a Colorado FC-10 or FC-20 - controller. - Choose "Alt/82078" if you have another controller that is located at - an IO base address different from the standard floppy drive - controller's base address of `0x3f0', or uses an IRQ (interrupt) - channel different from `6', or a DMA channel different from - `2'. This is necessary for any controller card that is based on - Intel's 82078 FDC such as Seagate's, Exabyte's and Iomega's "high - speed" controllers. - - If you choose something other than "Standard" then please make - sure that the settings for the IO base address and the IRQ and DMA - channel in the configuration menus below are correct. Use the manual - of your tape drive to determine the correct settings! - - If you are already successfully using your tape drive with another - operating system then you definitely should use the same settings - for the IO base, the IRQ and DMA channel that have proven to work - with that other OS. - - Note that this menu lets you specify only the default setting for - the hardware setup. The hardware configuration can be changed at - boot time (when ftape is compiled into the kernel, i.e. if you - have said Y to "Floppy tape drive") or module load time (i.e. if you - have said M to "Floppy tape drive"). - - Please read also the file which - contains a short description of the parameters that can be set at - boot or load time. If you want to use your floppy tape drive on a - PCI-bus based system, please read the file - . - -config FT_MACH2 - bool "MACH-2" - -config FT_PROBE_FC10 - bool "FC-10/FC-20" - -config FT_ALT_FDC - bool "Alt/82078" - -endchoice - -comment "Consult the manuals of your tape drive for the correct settings!" - depends on FTAPE && !FT_STD_FDC - -config FT_FDC_BASE - hex "IO base of the floppy disk controller" - depends on FTAPE && !FT_STD_FDC - default "0" - ---help--- - You don't need to specify a value if the following default - settings for the base IO address are correct: - <<< MACH-2 : 0x1E0 >>> - <<< FC-10/FC-20: 0x180 >>> - <<< Secondary : 0x370 >>> - Secondary refers to a secondary FDC controller like the "high speed" - controllers delivered by Seagate or Exabyte or Iomega's Ditto Dash. - Please make sure that the setting for the IO base address - specified here is correct. USE THE MANUAL OF YOUR TAPE DRIVE OR - CONTROLLER CARD TO DETERMINE THE CORRECT SETTING. If you are already - successfully using the tape drive with another operating system then - you definitely should use the same settings for the IO base that has - proven to work with that other OS. - - Note that this menu lets you specify only the default setting for - the IO base. The hardware configuration can be changed at boot time - (when ftape is compiled into the kernel, i.e. if you specified Y to - "Floppy tape drive") or module load time (i.e. if you have said M to - "Floppy tape drive"). - - Please read also the file which - contains a short description of the parameters that can be set at - boot or load time. - -config FT_FDC_IRQ - int "IRQ channel of the floppy disk controller" - depends on FTAPE && !FT_STD_FDC - default "0" - ---help--- - You don't need to specify a value if the following default - settings for the interrupt channel are correct: - <<< MACH-2 : 6 >>> - <<< FC-10/FC-20: 9 >>> - <<< Secondary : 6 >>> - Secondary refers to secondary a FDC controller like the "high speed" - controllers delivered by Seagate or Exabyte or Iomega's Ditto Dash. - Please make sure that the setting for the IO base address - specified here is correct. USE THE MANUAL OF YOUR TAPE DRIVE OR - CONTROLLER CARD TO DETERMINE THE CORRECT SETTING. If you are already - successfully using the tape drive with another operating system then - you definitely should use the same settings for the IO base that has - proven to work with that other OS. - - Note that this menu lets you specify only the default setting for - the IRQ channel. The hardware configuration can be changed at boot - time (when ftape is compiled into the kernel, i.e. if you said Y to - "Floppy tape drive") or module load time (i.e. if you said M to - "Floppy tape drive"). - - Please read also the file which - contains a short description of the parameters that can be set at - boot or load time. - -config FT_FDC_DMA - int "DMA channel of the floppy disk controller" - depends on FTAPE && !FT_STD_FDC - default "0" - ---help--- - You don't need to specify a value if the following default - settings for the DMA channel are correct: - <<< MACH-2 : 2 >>> - <<< FC-10/FC-20: 3 >>> - <<< Secondary : 2 >>> - Secondary refers to a secondary FDC controller like the "high speed" - controllers delivered by Seagate or Exabyte or Iomega's Ditto Dash. - Please make sure that the setting for the IO base address - specified here is correct. USE THE MANUAL OF YOUR TAPE DRIVE OR - CONTROLLER CARD TO DETERMINE THE CORRECT SETTING. If you are already - successfully using the tape drive with another operating system then - you definitely should use the same settings for the IO base that has - proven to work with that other OS. - - Note that this menu lets you specify only the default setting for - the DMA channel. The hardware configuration can be changed at boot - time (when ftape is compiled into the kernel, i.e. if you said Y to - "Floppy tape drive") or module load time (i.e. if you said M to - "Floppy tape drive"). - - Please read also the file which - contains a short description of the parameters that can be set at - boot or load time. - -config FT_FDC_THR - int "Default FIFO threshold (EXPERIMENTAL)" - depends on FTAPE && EXPERIMENTAL - default "8" - help - Set the FIFO threshold of the FDC. If this is higher the DMA - controller may serve the FDC after a higher latency time. If this is - lower, fewer DMA transfers occur leading to less bus contention. - You may try to tune this if ftape annoys you with "reduced data - rate because of excessive overrun errors" messages. However, this - doesn't seem to have too much effect. - - If unsure, don't touch the initial value, i.e. leave it at "8". - -config FT_FDC_MAX_RATE - int "Maximal data rate to use (EXPERIMENTAL)" - depends on FTAPE && EXPERIMENTAL - default "2000" - ---help--- - With some motherboard/FDC combinations ftape will not be able to - run your FDC/tape drive combination at the highest available - speed. If this is the case you'll encounter "reduced data rate - because of excessive overrun errors" messages and lots of retries - before ftape finally decides to reduce the data rate. - - In this case it might be desirable to tell ftape beforehand that - it need not try to run the tape drive at the highest available - speed. If unsure, leave this disabled, i.e. leave it at 2000 - bits/sec. - -config FT_ALPHA_CLOCK - int "CPU clock frequency of your DEC Alpha" if ALPHA - depends on FTAPE - default "0" - help - On some DEC Alpha machines the CPU clock frequency cannot be - determined automatically, so you need to specify it here ONLY if - running a DEC Alpha, otherwise this setting has no effect. - diff --git a/drivers/char/ftape/Makefile b/drivers/char/ftape/Makefile deleted file mode 100644 index 0e67d2f8b7e..00000000000 --- a/drivers/char/ftape/Makefile +++ /dev/null @@ -1,28 +0,0 @@ -# -# Copyright (C) 1997 Claus Heine. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; see the file COPYING. If not, write to -# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. -# -# $Source: /homes/cvs/ftape-stacked/ftape/Makefile,v $ -# $Revision: 1.4 $ -# $Date: 1997/10/05 19:17:56 $ -# -# Makefile for the QIC-40/80/3010/3020 floppy-tape driver for -# Linux. -# - -obj-$(CONFIG_FTAPE) += lowlevel/ -obj-$(CONFIG_ZFTAPE) += zftape/ -obj-$(CONFIG_ZFT_COMPRESSOR) += compressor/ diff --git a/drivers/char/ftape/README.PCI b/drivers/char/ftape/README.PCI deleted file mode 100644 index 18de159d36e..00000000000 --- a/drivers/char/ftape/README.PCI +++ /dev/null @@ -1,81 +0,0 @@ -Some notes for ftape users with PCI motherboards: -================================================= - -The problem: ------------- - -There have been some problem reports from people using PCI-bus based -systems getting overrun errors. -I wasn't able to reproduce these until I ran ftape on a Intel Plato -(Premiere PCI II) motherboard with bios version 1.00.08AX1. -It turned out that if GAT (Guaranteed Access Timing) is enabled (?) -ftape gets a lot of overrun errors. -The problem disappears when disabling GAT in the bios. -Note that Intel removed this setting (permanently disabled) from the -1.00.10AX1 bios ! - -It looks like that if GAT is enabled there are often large periods -(greater than 120 us !??) on the ISA bus that the DMA controller cannot -service the floppy disk controller. -I cannot imagine this being acceptable in a decent PCI implementation. -Maybe this is a `feature' of the chipset. I can only speculate why -Intel choose to remove the option from the latest Bios... - -The lesson of this all is that there may be other motherboard -implementations having the same of similar problems. -If you experience a lot of overrun errors during a backup to tape, -see if there is some setting in the Bios that may influence the -bus timing. - -I judge this a hardware problem and not a limitation of ftape ;-) -My DOS backup software seems to be suffering from the same problems -and even refuses to run at 1 Mbps ! -Ftape will reduce the data-rate from 1 Mbps to 500 Kbps if the number -of overrun errors on a track exceeds a threshold. - - -Possible solutions: -------------------- - -Some of the problems were solved by upgrading the (flash) bios. -Other suggest that it has to do with the FDC being on the PCI -bus, but that is not the case with the Intel Premiere II boards. -[If upgrading the bios doesn't solve the problem you could try -a floppy disk controller on the isa-bus]. - -Here is a list of systems and recommended BIOS settings: - - - Intel Premiere PCI (Revenge): - -Bios version 1.00.09.AF2 is reported to work. - - - - Intel Premiere PCI II (Plato): - -Bios version 1.00.10.AX1 and version 11 beta are ok. -If using version 1.00.08.AX1, GAT must be disabled ! - - - - ASUS PCI/I-SP3G: - -Preferred settings: ISA-GAT-mode : disabled - DMA-linebuffer-mode : standard - ISA-masterbuffer-mode : standard - - - DELL Dimension XPS P90 - -Bios version A2 is reported to be broken, while bios version A5 works. -You can get a flash bios upgrade from http://www.dell.com - - -To see if you're having the GAT problem, try making a backup -under DOS. If it's very slow and often repositions you're -probably having this problem. - - --//-- - LocalWords: ftape PCI bios GAT ISA DMA chipset Mbps Kbps FDC isa AF ok ASUS - LocalWords: SP linebuffer masterbuffer XPS http www com diff --git a/drivers/char/ftape/RELEASE-NOTES b/drivers/char/ftape/RELEASE-NOTES deleted file mode 100644 index 03799dbc05a..00000000000 --- a/drivers/char/ftape/RELEASE-NOTES +++ /dev/null @@ -1,966 +0,0 @@ -Hey, Emacs, we're -*-Text-*- mode! - -===== Release notes for ftape-3.04d 25/11/97 ===== -- The correct pre-processor statement for "else if" is "#elif" not - "elsif". -- Need to call zft_reset_position() when overwriting cartridges - previously written with ftape-2.x, sftape, or ancient - (pre-ftape-3.x) versions of zftape. - -===== Release notes for ftape-3.04c 16/11/97 ===== -- fdc_probe() was calling DUMPREGS with a result length of "1" which - was just fine. Undo previous change. - -===== Release notes for ftape-3.04b 14/11/97 ===== - -- patches/2.x.x/floppy.c.diff was somewhat broken, releasing i/o - regions it never had allocated. -- fdc_probe() was calling DUMPREGS with a result length of "1" instead - of "10" -- Writing deleted data marks if the first segents on track zero are - should work now. -- ftformat should now be able to handle those cases where the tape - drive sets the read only status bit (QIC-40/80 cartridges with - QIC-3010/3020 tape drives) because the header segment is damaged. -- the MTIOCFTCMD ioctl may now be issued by the superuser ONLY. - -===== Release notes for ftape-3.04a 12/11/97 ===== -- Fix an "infinite loop can't be killed by signal" bug in - ftape_get_drive_status(). Only relevant when trying to access - buggy/misconfigured hardware -- Try to compensate a bug in the HP Colorado T3000's firmware: it - doesn't set the write protect bit for QIC80/QIC40 cartridges. - -===== Release notes for ftape-3.04 06/11/97 ===== -- If positioning with fast seeking fails fall back to a slow seek - before giving up. -- (nearly) no retries on "no data errors" when verifying after - formatting. Improved tuning of the bad sector map after formatting. -- the directory layout has changed again to allow for easier kernel - integration -- Module parameter "ftape_tracing" now is called "ft_tracing" because - the "ftape_tracing" variable has the version checksum attached to it. -- `/proc/ftape' interface for 2.0.* kernels. `/proc/ftape' no longer - is a directory but a file that contains all the information formerly - provided in separate files under the `/proc/ftape/' directory. -- Most of the configuration options have been prefixed by "CONFIG_FT_" - in preparation of the kernel inclusion. The Makefiles under - "./ftape/" should be directly usable by the kernel. -- The MODVERSIONS stuff is now auto-detected. -- Broke backslashed multi line options in MCONFIG into separate lines - using GNU-make's "+=" feature. -- The html and dvi version of the manual is now installed under - '/usr/doc/ftape` with 'make install` -- New SMP define in MCONFIG. ftape works with SMP if this is defined. -- attempt to cope with "excessive overrun errors" by gradually - increasing FDC FIFO threshold. But this doesn't seem to have too - much an effect. -- New load time configuration parameter "ft_fdc_rate_limit". If you - encounter too many overrun errors with a 2Mb controller then you - might want to set this to 1000. -- overrun errors on the last sector in a segment sometimes result in - a zero DMA residue. Dunno why, but compensate for it. -- there were still fdc_read() timeout errors. I think I have fixed it - now, please FIXME. -- Sometimes ftape_write() failed to re-start the tape drive when a - segment without a good sector was reached ("wait for empty segment - failed"). This is fixed. Especially important for > QIC-3010. -- sftape (aka ftape-2.x) has vanished. I didn't work on it for - ages. It is probably still possible to use the old code with - ftape-3.04, if one really needs it (BUT RECOMPILE IT) -- zftape no longer alters the contents of already existing volume - table entries, which makes it possible to fill in missing fields, - like time stamps using some user space program. -- ./contrib/vtblc/ contains such a program. -- new perl script ./contrib/scripts/listtape that list the contents of a - floppy tape cartridge parsing the output of "mt volinfo" + "mt fsf" -- the MTWEOF implementation has changed a little bit (after I had a - look at amanda). Calling MTWEOF while the tape is still held open - after writing something to the tape now will terminate the current - volume, and start a new one at the current position. -- the volume table maintained by zftape now is a doubly linked list - that grows dynamically as needed. - - formatting floppy tape cartridges - --------------------------------- - * there is a new user space formatting program that does most of the - dirty work in user space (auto-detect, computing the sector - coordinates, adjusting time stamps and statistics). It has a - simple command line interface. - * ftape-format.o has vanished, it has been folded into the low level - ftape.o module, and the ioctl interface into zftape.o. Most of the - complicated stuff has been moved to user space, so there was no - need for a separate module anymore. - * there is a new ioctl MTIOCFTCMD that sends a bare QIC-117 command - to the tape drive. - * there is a new mmap() feature to map the dma buffers into user - space to be used by the user level formatting program. - * Formatting of yet unformatted or totally degaussed cartridges - should be possible now. FIXME. - -===== Release notes for ftape-3.03b, ==== - -ftape-3.03b was released as a beta release only. Its main new feature -was support of the DITTO-2GB drive. This was made possible by reverse -engineering done by after Iomega failed to support -ftape. Although they had promised to do so (this makes me feel a bit -sad and uncomfortable about Iomega). - -===== Release notes for ftape-3.03a, 22/05/97 ==== - -- Finally fixed auto-un-loading of modules for kernels > 2.1.18 -- Add an "uninstall" target to the Makefile -- removed the kdtime hack -- texi2www didn't properly set the back-reference from a footnote back - to the regular text. - - zftape specific - --------------- - * hide the old compression map volume. Taper doesn't accept the - presence of non-Taper volumes and Taper-written volume on the same - tape. - * EOD (End Of Data) handling was still broken: the expected behavior - is to return a zero byte count at the first attempt to read past - EOD, return a zero byte count at the second attempt to read past - EOD and THEN return -EIO. - - ftape-format specific - --------------------- - * Detection of QIC-40 cartridges in select_tape_format() was broken - and made it impossible to format QIC-3010/3020 cartridges. - * There are strange "TR-1 Extra" cartridges out there which weren't - detected properly because the don't strictly conform to the - QIC-80, Rev. N, spec. - -===== Release notes for ftape-3.03, 30/04/97 ===== - -- Removed kernel integration code from the package. I plan to provide - a package that can be integrated into the stock kernel separately - (hopefully soon). - As a result, a simple `make' command now will build everything. -- ALL compile time configuration options have been moved to the file - `MCONFIG'. -- Quite a few `low level' changes to allow formatting of cartridges. -- formatting is implemented as a separate module `ftape-format.o'. The - modified `mt' program contains sample code that shows how to use it. -- The VFS interface has been moved from the `ftape.o' module to the - high level modules `zftape.o' resp. `sftape.o'. `ftape.o' contains - the hardware support only. -- A bit of /proc support for kernels > 2.1.28 -- Moved documentation to Doc subdir. INSTALL now contains some real - installation notes. -- `install' target in Makefile. - -zftape specific: ----------------- - -- zftape works for large cartridges now ( > 2^31 bytes) -- MTIOCVOLINFO and MTIOCGETSIZE now return the size in KILOBYTES, - NO LONGER in bytes. - -- permissions for write access to a cartridge have changed: - * zftape now also takes the file access mode into account - * zftape no longer allows writing in the middle of the recorded - media. The tape has to be positioned at BOT or EOD for write - access. - -- MTBSF has changed. It used to position at the beginning of the - previous file when called with count 1. This was different from the - expected behavior for other Un*x tape drivers (i.e. SCSI). MTBSF - with count 1 should merely position at the beginning of the current - volume. Fixed. As a result, `tar --verify' now produces the desired - result: it verifies the last written volume, not the pre-last - written volume. - -- The compression map has vanished --> no need for `mt erase' any - more. Fast seeking in a compressed volume is still be possible, but - takes slightly longer. As a side effect, you may experience an - additional volume showing up in front of all others for old - cartridges. This is the tape volume that holds the compression map. - -- The compression support for zftape has been moved to a separate - module `zft-compressor'. DON'T forget to load it before trying to - read back compressed volumes. The stock `zftape.o' module probes for - the module `zft-compressor' using the kerneld message channel; you - have to install `zft-compressor.o' in a place where modprobe can - find it if you want to use this. - -- New experimental feature that tries to get the broken down GMT time - from user space via a kernel daemon message channel. You need to - compile and start the `kdtime' daemon contained in the contrib - directory to use it. Needed (?) for time stamps in the header - segments and the volume table. - -- variable block size mode via MTSETBLK 0 - -- keep modules locked in memory after the block size has been changed - -sftape specific: ----------------- - -- end of tape handling should be fixed, i.e. multi volume archives - written with `afio' can be read back now. - - -===== Release notes for ftape-3.02a, 09/01/97 ===== - -No big news: -- call zft_init() resp. sft_init() when compiling the entire stuff - into the kernel image. -- fix bug in ftape-setup.c when NO_TRACE_AT_ALL was defined. -- fix bug in sftape-eof.c/zftape-eof.c for old kernels (1.2.*) -- add support for new module interface for recent kernels - -===== Release notes for ftape-3.02, 16/12/96 ===== -- Fixed the `FDC unlock command failed' bug in fdc-io.c. When the FIFO - was already locked when ftape was loaded, ftape failed to unlock it. -- Fixed compilation of `contrib/gnumt'. It now finds `mtio.h' even if - ftape is NOT included into the kernel source tree. -- fc-10.c: include for inb() and outb(). -- ftape/sftape/zftape: all global variable now have either a `ftape_', - a `ft_', `sft_', `zft_' or `qic_' prefix to prevent name clashes - with other parts of the kernel when including ftape into the kernel - source tree. -- Kerneld support has changed. `ftape' now searches for a module - `ftape-frontend' when none of the frontend (`sftape' or `zftape') is - loaded. Please refer to the `Installation/Loading ftape' section of - the TeXinfo manual. -- Add load resp. boot-time configuration of ftape. There are now - variables ft_fdc_base, ft_fdc_dma and ft_fdc_irq corresponding to - the former FDC_BASE etc. compile time definitions. One can also use - the kernel command line parameters to configure the driver if it is - compiled into the kernel. Also, the FC-10/FC-20 support is load-time - configurable now as well as the MACH-II hack (ft_probe_fc10, - resp. ft_mach2). Please refer to the section `Installation/Configure - ftape' of the TeXinfo manual. -- I removed the MODVERSIONS option from `Makefile.module'. Let me alone - with ftape and MODVERSIONS unless you include the ftape sources into - the kernel source tree. -- new vendors in `vendors.h': - * HP Colorado T3000 - * ComByte DoublePlay (including a bug fix for their broken - formatting software, thanks to whraven@njackn.com) - * Iomega DITTO 2GIG. NOTE: this drive cannot work with ftape because - the logical data layout of the cartridges used by this drive does - NOT conform to the QIC standards, it is a special Iomega specific - format. I've sent mail to Iomega but didn't receive an answer - yet. If you want this drive to be supported by ftape, ask Iomega - to give me information about it. -- zftape: - * re-introduced the MTIOC_ZFTAPE_GETBLKSZ ioctl for compatibility - with zftape 1.06a and earlier. Please don't use it when writing - new software, use the MTIOCVOLINFO ioctl instead. - * Major overhaul of the code that updates the header segments. Never - change the tape label unless erasing the tape. Thus we almost - never need to write the header segments, unless we would modify - the bad sector map which isn't done yet. Updating of volume table - and compression map more secure now although it takes a bit - longer. - * Fixed bug when aborting a write operation with a signal: zftape - now finishes the current volume (i.e. writes an eof marker) at the - current position. It didn't before which led to somehow *strange* - behavior in this cases. - * Keep module locked in memory when using it with the non-rewinding - devices and the tape is not logical at BOT. Needed for kerneld - support. -- sftape: - * Keep module locked in memory when using it with the non-rewinding - devices and the tape is not logical at BOT. Needed for kerneld - support. - -===== Release notes for ftape-3.01, 14/11/96 ===== - -- Fixed silly bugs in ftape-3.00: - * MAKEDEV.ftape: major device number must be 27, not 23 - * sftape/sftape-read.c: sftape_read_header_segments() called - itself recursively instead of calling ftape_read_header_segment() - * zftape/qic-vtbl.h: conversion of ftape's file marks to zftape's - internal volume table was broken. - * patches/2.x.x/linux-2.0.21.dif: my RCS (resp. CVS) system replaced - the `$Revison:' etc. macros in the `ftape.h' concerning part of the - patch :-( Fixed. - * info/ftape.info: Fixed misspellings (`cp' <-> `cp -r' etc.) - * when ftape/sftape or ftape/zftape was compiled into the kernel the - variable ftape_status was declared twice. Fixed. - * removed reference to undeclared variable kernel_version when not - compiling as module - * fixed a bug introduced by the use of bit-fields for some flags - (i.e. write_protected, no_cartridge, formatted) - * flag `header_read' is now reset correctly to zero when tape is - removed. -- fixed a bug in sftape/sftape-eof.c that was already in the original - ftape code. MTFSF/BSF was not handled correctly when positioned - right before the file mark (think of tar) -- Changed TRACE macros (following a suggestion of Marcin Dalecki) to use - the predefined __FUNCTION__ macro of GCC. Spares about 4k of code. -- added new vendor id for Iomega DITTO 2GIG -- fixed a bug already present in zftape-1.06 when aborting a write - with a signal: we now finish the current volume at that - position. Header segments remain NOT up to date until an explicit call - to MTREW or MTOFFL is done. - -===== Release notes for ftape-3.00, 14/10/96 ===== - -- Merged ftape with zftape. There are three modules now: - ftape for the hardware support, sftape for the implementation of the - original ftape eof mark stuff and zftape that implements zftape's way - of handling things (compression, volume table, tape blocks of - constant length) -- Documentation in TeXinfo format in the `info' subdirectory. -- New ioctls for zftape. See zftape/zftape.h -- Dummy formatting ioctl for ftape. See ftape.h -- Kernel patch files for the 2.*.* series to include ftape-3.00 in the - kernel source tree. These includes a kernel compatible Config.in - script and fairly large online information for the kernel configure - script. -- Support for compiling with Linux-1.2.13. -- Modified GNU mt from their cpio package that can handle the new - ioctls. -- ftape/sftape/zftape is kerneld save now! - -Notes on sftape: -- sftape implements the eof handling code of the original ftape. If - you like to stick with the original ftape stuff, you have to use - this module, not zftape. -- sftape is kerneld save, unlike the original ftape. -- we keep the entire header segment now in memory, so no need to read - it before updating the header segments. Additional memory - consumption: 256 bytes. - -Notes for zftape: -- zftape has support for tapes with format code 6 now, which use a - slightly different volume table format compared with other floppy - tapes. -- new ioctls for zftape. Have a look at zftape/zftape.h -- The internal volume table representation has changed for zftape. Old - cartridges are converted automatically. -- zftape no longer uses compression map segments, which have vanished - from the QIC specs, but creates volume table entry that reserves - enough space for the compression map. -- zftape is kerneld save now. -- we keep the entire header segment now in memory, so no need to read - it before updating the header segments. Additional memory - consumption: 256 bytes. - -Notes for contrib/gnumt: -- modified mt from the GNU cpio package that supports all the new - ioctls of zftape. -Notes for contrib/swapout: -- This contains the swapout.c program that was written by Kai - Harrekilde-Pederson. I simply added a Makefile. - -===== Release notes for ftape-2.10, 14/10/96 ===== - -The ftape maintainer has changed. -Kai Harrekilde-Petersen -has resigned from maintaining ftape, and I, -Claus-Justus Heine , -have taken over. - -- Added support for tapes with `format code 6', i.e. QIC-3020 tapes - with more than 2^16 segments. -- merged changes made by Bas Laarhoven with ftape-2.09. Refer - to his release notes below. I've included them into this - file unchanged for your reference. -- disabled call stack back trace for now. This new feature - introduced by the interim release 2.0.x still seems to - be buggy. -- Tried to minimize differences between the ftape version - to be included into the kernel source tree and the standalone - module version. -- Reintroduced support for Linux-1.2.13. Please refer to the - Install-guide. - -===== Release notes for ftape-2.09, 16/06/96 ===== - -There aren't any really big news in this release, mostly just that I -(the maintainer) have changed my email address (due to a new job). My -new address is - -- The CLK_48MHZ and FDC_82078SL options has gone (all 2Mbps cards seem - to use a 48MHz oscillator anyway and I haven't heard of an 'SL - chip out there). -- The S82078B has been `downgraded' to i82077AA compability. -- TESTING option revived. Right now, it'll enable the (seriously broken) - 2Mbps code. If you enable it, you'll experience a tape drive that's - *really* out to lunch! -- Some (bold) changes in the init code. Please notify me if they - break things for you. - -===== Release notes for ftape-2.08, 14/03/96 ===== - -If you correct a problem with ftape, please send your patch to -khp@dolphinics.no too. - -- Updated to reflect that NR_MEM_LISTS is gone in 1.3.74 -- Teac 700 added to list of known drives. -- The registered device name is now "ft" rather than "ftape". - -===== Release notes for ftape-2.07a, 14/03/96 ===== - -Bugfixes by Marcin Dalecki : -- In the last release it just compiled against 1.3.70; - now the params to request_irq() and free_irq are() are fixed, so it also - works in 1.3.73 :-) -- Support for modules is now correct for newer kernels. - -===== Release notes for ftape-2.07, 04/03/96 ===== - - -- ftape updated to compile against 1.3.70. -- Iomega 700 and Wangtek 3200 recognised. - - -===== Release notes for ftape-2.06b, 13/02/96 ===== - -Another simple bugfix version. - -- Jumbo 700 recognised. -- Typo in vendors.h fixed. - - -===== Release notes for ftape-2.06a, 10/02/96 ===== - -This release is a simple bugfix version. - -- Linux/SMP: ftape *should* work. -- FC-10/20: Only accepts IRQs 3-7, or 9. If IRQ 9, properly tell the card - to use IRQ 2. Thanks to Greg Crider (gcrider@iclnet.org) for finding and - locating this bug and testing the patch. -- Insight drive recognised correctly again. -- Motor-on wakeup version of the Iomega 250 drive added - - -===== Release notes for ftape-2.06, 28/01/96 ===== - -Special thanks go to Neal Friedman and Steven Sorbom for their -help in producing and testing this release. - -I have continued to clean up the code, with an eye towards inclusion -of ftape in Linus' official kernel (In fact, as I type this, I am -running on a kernel with ftape support statically linked). I have -test-compiled ftape against my 1.2.13 tree without problems. -Hopefully, everything should be OK for the v1.2.x people. - -WARNING! Alan Cox has mailed me that ftape does *NOT* work with -Linux/SMP. If you try to run ftape under Linux/SMP, it will cause a -kernel deadlock (which is worse than a panic). - -- QIC-3020/TR-3: 1Mbps support works. Neal is capable of reading and - writing data to a tape. ftape will automatically detect the type of - tape (e.g. TR-3 vs QIC-80) and move the fdc in and out of - "perpendicular mode" as necessary. -- 2Mbps support is disabled by default, since it is not fully - debugged. If you are adventurous, remove -DFDC_82078SL in the - Makefile and see what happens :-) -- fdc detection: silly bugs removed (Only 2Mbps fdcs were affected) - and added detection of the National Semiconductors PC8744 fdc chip - (used in the PC873xx "super-IO" chips). -- Removed warning about incompatible types when compiling with Linux - 1.2.x. -- README.PCI updated with info about the DELL Dimension XPS P90. -- Connor TST3200R added to detected drives. -- `swapout' utility added to distribution. It will dirty 5Meg of - memory, trying to swap out other programs. Just say `make swapout' - to build it. ftape will do this automatically Real Soon Now (ie: - when I have found out which kernel memory alloc function to call). - - -===== Release notes for ftape-2.05, 08/01/96 ===== - -- For v1.2.x Kernels, you must apply the patch linux-1.2/ksyms.patch to - the kernel and rebuild it (it adds the __get_dma_pages symbol to - ksyms.c). -- Included new asm-i386/io.h file from v1.3.x kernel series, to enable - gcc v.2.7.[12] to compile v1.2.x kernels (linux-1.2/io.h). -- Module versions: If you wish to compile ftape as a versioned module, - you must first compile your kernel with CONFIG_MODVERSIONS=y. - Otherwise, you will get complaints that does not - exist (if that happens, a `touch modversions.h' will help you out). -- CLK_48MHZ: new define in the Makefile (default: non-zero). If you have - a tape controller card that uses the i82078(-1) chip, but cannot get - it to work with ftape, try set it to 0 (and please report this). -- QIC-3010/3020: Complete support is still missing, but will hopefully - come soon. Steven Sorbom has kindly provided me with hints about - this. Writing of QIC-3020 tapes definitely does NOT work (do not try - it! - the drive will not be in "perpendicular mode" and this will ruin - the formatting info on the tape). -- ftape_num_buffers is out of fashion: use NR_BUFFERS instead (and - recompile if you want to change it :-). - - -===== Release notes for ftape-2.04, 01/01/96 ===== - -This version by Kai Harrekilde-Petersen - -- ALERT! Support for Kernels earlier then v1.1.85 is about to go away. - I intend to clean up some of the code (getting rid of an annoyingly - large numbers of #ifdef mostly), which means that support for - pre-1.1.85 kernels must go as well. -- NR_FTAPE_BUFFERS is gone; You can instead select the number of dma - buffers by saying `insmod ftape.o ftape_num_buffer=' instead. -- Configure script gone. ftape will now automagically determine your - kernel version by /usr/include/linux/version.h instead. -- CONFIG_MODVERSIONS now work. All combinations of versioned / - unversioned kernel and ftape module works (at least with my 1.3.52 - kernel). -- If you have problems with inserting ftape into an old (1.2.x) - kernel (e.g. insmod says "1.2.8 does not match 1.2.8), recompile - your modules utilities with your new compiler. -- Reveal TB1400 drive added to vendors.h -- Support for the i82078-1 (2Mbps) chip is coming along. The - biggest problem is that I don't have such a card, which makes - testing / debugging somewhat problematic. The second biggest - problem is that I do not have the QIC-3010/3020 standards either. - Status right now is that the chip is detected, and it should be - possible to put it into 2Mbps mode. However, I do not know what - "extras" are needed to complete the support. Although putting the - i82078 into 1Mbps mode ought to work out of the box, it doesn't - (right now, ftape complains about id am errors). - - -===== Release notes for ftape-2.04beta5, 29/12/95 ===== - -Bas offline linux-tape ----------------------- -For reasons only known to the majordomo mail list processor, Bas was -kicked off the linux-tape list sometime during the summer. Being -overworked at his for-pay job, he didn't notice it much. Instead I -(Kai, khp@dolphinics.no) has worked on ftape to produce the 2.04(beta) -version. - -zftape ------- -Note that there exists a much improved version of ftape, written by -Claus-Justus Heine which is named -zftape, which conforms to the QIC-80 specs on how to mark backups, and -is capable of doing automatic compression. However, zftape makes -substantial changes to ftape, and I (Kai) have therefore declined to -integrate zftape into ftape. Hopefully, this will happen soon. - -CONFIG_QIC117 removed from the kernel -------------------------------------- -The biggest change of all is that ftape now will allocate its dma -buffers when it is inserted. The means that the CONFIG_QIC117 option -has disappeared from the Linux kernel as of v1.3.34. If you have an -earlier kernel, simply answer 'no' to the question will do the trick -(if you get complains about __get_free_pages() missing, contact the -linux-tape mailing list). - -Note that ftape-2.04beta will work equally well on kernels with and -without `ftape support'. The only catch is, that you will waste -around 96-128Kb of precious DMA'able memory on a box that has ftape -support compiled in. - -Now for the real changes: - -- FC-20 can now use DMA channels 1, 2, and 3. Thanks to Daniel - Cohen, catman@wpi.edu. -- ftape no longer requires a (gigantic) 96Kb buffer to be statically - allocated by the kernel. -- Added new Iomega drive (8882) to vendors.h -- -fno-strength-reduce added to Makefile, since GCC is broken. -- i82078-1 (2Mbps) FDC support started. - - -===== Release notes for ftape-2.03b, 27/05/95 ===== - -- Prevented verify_area to return error if called with zero length. -- Fixed a bug in flush_buffers that caused too much padding to be - written when a final segment had bad sectors. -- Increased maximum fast-seek overshoot value from 5 to 10 segments. -- Breaking loop after 5 retries when positioning fails. -- Fixed wrong calculation of tape length for QIC-3010 and QIC-3020 - tapes (densities were swapped). -- Fixed wrong calculation of overshoot on seek_forward: Wrong sign - of error. -- Suppress (false) error message due to new tape loaded. -- Added two new CMS drives (11c3 and 11c5) to vendors.h. - - -===== Release notes for ftape-2.03a, 09/05/95 ===== - -- Fixed display of old error (even if already cleared) in ftape_open. -- Improved tape length detection, ioctls would fail for 425 ft tapes. - Until the tape length is calculated with data from the header - segment, we'll use worst-case values. -- Clear eof_mark after rewinding ioctls. -- Fixed wrong version message (2.03 had 2.02g id). -- Fixed bug that caused the fdc to be reset very frequently. - This shouldn't affect normal operation but the timing of the - report routines has changed again and that may cause problems. - We'll just have to find out.... -- Implemented correct write precompensation setting for QIC-3010/3020. -- Cleaned up fdc_interrupt_wait routine. Hope it still works :-) -- Finally removed (already disabled) special eof mark handling for - gnu tar. -- Changed order of get_dma_residue and disable_dma in fdc-isr.c - because the current order would fail on at least one system. - We're back to the original order again, hope (and expect) this - doesn't break any other system. - - -===== Release notes for ftape-2.03, 07/05/95 ===== - -(Changes refer to the first ftape-2.02 release) - -Support for wide and extended length tapes ------------------------------------------- -The Conner TSM 420 and 850 drives are reported to be working. -I haven't received any reports about other brands; the TSM 420 -and 850 seem to be the most widely used wide drives. -Extended length tapes (425 ft) with normal QIC-80 drives -are operating too (At least I've had no reports stating otherwise). -_Not_ yet completely supported (although they may work) are -QIC-3020 drives and 2 Mbps floppy disk controllers won't work at -the highest speed. -If someone is kind enough to send me one of these, I'll include -support for it too ;-) - -Easier configuration --------------------- -Problems due to wrong settings in the Makefile are prevented -by using a configuration script that sets the necessary (kernel -version dependent) compile time options. -This kernel version is now determined from the sources found -at /usr/src/linux, or if not found, the old way using -/proc/version. -Versioned modules will be used automatically when supported -by- and configured in- the kernel. -Note that the current modules code (1.1.87) is still broken -and _needs_ the fix included in the insmod directory. -Please don't send me any more Oops reports caused by insmod :-( - -Reduced module size -------------------- -The standard module size is much reduced and some compile time -options can even reduce it further. (I don't recommend this -for normal use but it can be handy for rescue diskettes) - -Option: Approx. module size: - - 150 Kb -NO_TRACE 125 Kb -NO_TRACE_AT_ALL 67 Kb - - -Much improved driver interruption ---------------------------------- -Most possible loops have been broken and signal detection -has been improved. -In most cases the driver can be aborted by ^C (SIGINT) and -SIGKILL (kill -9) will generate be a sure kill. -(Note that aborting a tape operation may damage the last -data written to tape) - -Improved error recovery ------------------------ -Ftape now returns an error (ENODATA) to the application if -a segment proves to be unrecoverable and then skips the -bad segment. -This causes most applications to continue to work (tar -and afio) loosing only a small amount (up to 29 Kb) of data. -Retried read operations will now be done slightly off-track -to improve the chance of success. Serious head off-track -errors will be detected. - -FC-10 and FC-20 controllers ---------------------------- -Ftape now supports both the old CMS FC-10 and the newer FC-20 -controllers. -Because the operation of these cards is still undocumented, -thus far they will only work with the default settings (See -Makefile). Any feed-back on how to use them with other settings -will be welcome ! -Compilation will fail if one changes the settings to illegal -values. - -Kernels and compilers ---------------------- -Ftape is currently being developed using the 2.5.8 compiler. -The older 2.4.5 probably works too (Set option in Makefile!). -I have no experience with any later compilers nor Elf support. -Any information on this is welcome. -The latest kernel I have tested ftape with is 1.2.6. - -Compression ------------ -An impressive collection of changes for ftape including -on-the-fly compression is still lying on my desk. -If 2.03 proves to be reliable I might start integrating these -but as usual, I'm short in time :-( - -Formatting ----------- -There is still no way to format tapes under Linux. As far as -I know all attempts to write such a program have died now. -Since formatted tapes are rather common now, I think all we -need is a utility that writes a worst case pattern and verifies -that with the drive put in verify mode, reducing margins. -Any takers ? - -Furthermore ------------ -Cleaned up messages. -Prepared to support multiple tape drives on one fdc. -Thanks to all the people who sent bug reports and helped me -improve the driver. Without trying to be complete I'll mention -Gary Anderson (without his accurate reports and unreliable -hardware there wouldn't be a 2.03), Stefan Kneifel (FC-20), -Robert Broughton (FC-20, you were almost there ;-), Bjorn -Ekwall (for the versioned modules and buggy insmod ;-), Peter -Fox, Christopher Oliver, Ralph Whittaker and not the least -Linus Torvalds (for Linux and keeping me busy because of -changes to the kernel ;-) -Thanks to anyone I forgot, for the bug reports, the ftape -bashing and the mental support... - - -That's it for now. Have Fun, - -Bas. - - -===== Release notes for ftape-2.02g, 06/05/95 ===== - -- Added extra test to break read-id loop with signal. -- Changed rewind code to handle negative overshoot for drives - that take very long to start or stop. -- Let use of get/set i/o-regions depend on kernel version. -- Changed code to use a more general test for conditional - compilations depending on kernel version. -- Improved micro-step functionality to go off-track only - while reading (id & data). -- Added failure on tape-not-referenced bit in ftape_command. -- Added FOREVER option to read-wait routine. -- Changed read-id to use shorter timeout causing smaller - rewinds on timeout. -- Made kernel-interface functions static. - - -===== Release notes for ftape-2.02f, 03/05/95 ===== - -- Added support for dual tape drives on my system, extended Configure - script to detect host 'dodo'. -- Log media defect in history if ecc failed and no data was returned. -- Fixed Configure script that was failing for kernel versions with - double digit version or revision numbers. - - -===== Release notes for ftape-2.02e, 01/05/95 ===== - -- Fixed reposition loop at logical eot (failing read_id). -- Fixed 34 segment offset when rewinding. -- Added fast seek capability for more than 255 segments. -- Fixed wrong busy result from ftape_command causing reverse - seek to fail. -- Added breakout from infinite rewind loop (if something fails). - - -===== Release notes for ftape-2.02d, 30/04/95 ===== - -- Improved abortion on signals: Interrupt will make a graceful - exit, Kill will be less nice and should be used if everything - else fails. -- Included check for tape-head off track. -- Implemented exit from tape-start loop. -- Added kernel io-port registration. -- Implemented skip of failing segment (ENODATA) on ecc failure. - This allows afio and tar to continue when the tape is damaged. -- Made distinction between drive names with different codes. - - -===== Release notes for ftape-2.02c, 22/04/95 ===== - -- Fixed too tight command queueing after tape stop/pause command - issued from within interrupt service routine (Showed as timeout - on Acknowledge errors during retries on some systems) -- Tried to fix timeouts when using 425 ft tape because the extended - length doesn't seem to be detected by the hardware. - We now use the format code from the header segment so adjust the - timing after reading the header segment. -- Fixed some messages stating 'unexpected something...' being not - unexpected anymore. -- Started preparations for merge of dynamic buffer allocation and - compression code. -- Changed some debug messages to include relevant segment information - at level 4. -- Included early bail-out when drive offline, preventing a lot of - false messages. -- Moved ftape_parameter_xxx() offsets into function instead of in calls. -- Removed 'weird, drive busy but no data' error when caused by - an error during a read-id. -- Improved 'timeout on acknowledge' diagnostics. -- Moved MODULE option into Configure. -- Reduced code size when no tracing at all was set (Claus Heine). -- No longer log error code 0 (no error) as an error. - - -===== Release notes for ftape-2.02b, 09/04/95 ===== - -- Relaxed timing for status operation and displaying - abnormal results. Hopefully this shows what's going - wrong with the Conner TSM850R drives. -- Created script for configuration, using version number - of kernel source if available, otherwise /proc/version. -- Fixed conditionals in kernel-interface.c. -- Removed unavoidable TRACE output. - - -===== Release notes for ftape-2.02a, 01/04/95 ===== - -- Implemented `new-style' (versioned) modules support for new - kernels. -- Reduced size of module by moving static data to bss. -- Now using version number of kernel source instead of running - kernel for kernel versions >= 1.1.82 -- Added feedback on drive speeds to vendor information. -- Included fixed insmod sources to distribution (Let's hope - the modules distribution get fixed soon :-/). - -Note that I haven't yet implemented any of the code extension I -received. I hope to find some time to do this soon. - - -===== Release notes for ftape-2.02, 15/01/95 ===== - - -- Fixed failing repositioning when overshoot was incremented. -- Fixed rate selection: Because of a deficiency in the QIC-117 - specification one cannot distinguish between a not implemented - and a failing command. Therefor we now try to find out if the - drive does support this command before usage. -- Fixed error retry using wrong offset in fdc-isr. -- Improved retry code to retry only once on a single no-data - error in a segment. -- Validate sector number extracted from eof mark because an - invalid file mark (due to ???) could cause kernel panic. -- Split ftape-io.c into ftape-io.c and ftape-ctl.c files. -- Corrected too high media error count after writing to - a bad tape. -- Added #include again because old kernel versions - need it. -- Fixed fdc not being disabled when open failed because no tape - drive was found. -- Fixed problem with soft error in sector 32 (shift operator with - shiftcount 32 is not defined). - - -===== Release notes for ftape-2.01, 08/01/95 ===== - - -- Removed TESTING setting from distributed Makefile. -- Fixed `mt asf' failure: Rewind was deferred to close which - overruled the fsf ioctl. -- Prevented non-interruptible commands being interrupted. -- Added missing timeout.pause setting. -- Maximum tape speed read from drive type information table. - If the information is not in the table (0) the drive will - determine the speed itself and put a message in the logfile. - This information should then be added to the table in the - vendors.h file (and reported to me). -- Added call to ftape_init_drive after soft reset for those - (antique) drives that don't do an implicit seek_load_point - after a reset or power up. -- Don't try to set data rate if reset failed. -- Prevent update of seek variables when starting from the - beginning or the end of the tape. -- Fixed wrong adjustment of overshoot in seek_forward(). -- Added sync to Makefile (again). -- Added code to diagnose timer problems (calibr.c). -- Replaced time differences by timediff calls. -- Removed reference to do_floppy from object for recent kernels. -- Fixed wrong display of 'failing dma controller' message. -- Removed various no longer used #include statements. -- Added max. tape speed value to vendor-struct. -- Changed ftape-command to check pre-conditions and wait - if needed. -- Further updated qic117.h to rev G. -- Combined command name table and restrictions table to one. - Extended this table with some new fields. -- Increased timeout on Ack timer value and included code to - report out of spec behaviour. -- Increased rewind timeout margin to calculated + 20%. -- Improved data rate selection so it won't fail on some - older (pre standard) drives. -- Changed initialisation code so drive will be rewound if the - driver is reloaded and the tape is not at bot. -- Moved some of the flush operations from close to the ioctls. -- Added exit code value to failing verify area message. -- Loop until tape halted in smart-stop. -- Fast seek handled specially if located at bot or eot. -- Being more conservative on overshoot value. - - -===== Release notes for ftape-2.00, 31/12/94 ===== - - The Install-guide is completely rewritten and now also includes -some information on how to use the driver. If you're either new -to ftape or new to Unix tape devices make sure to read it ! - - If you own a pci system and experience problems with the -ftape driver make sure to read the README.PCI file. It contains -some hints on how to fix your hardware. - - For anybody who hasn't noticed: The version number of the -driver has been incremented (The latest released version has -been version 1.14d). - This has been done for two major reasons: - - o A new (better) error recovery scheme is implemented. - o Support for new drive types has been added. - - All these improvements/changes will probably include a couple -of new (and old?) bugs. If you encounter any problems that you think -I'm not yet aware of, feel free to send a report to . - I recommend keeping a version of ftape-1.14d available, just -in case ;-) - - This version should work with all kernel versions from 1.0.9 up -to 1.1.72 (and probably earlier and later versions too). - - -Major new features: - -- Better handling of tapes with defects: When a sector repeatedly - (SOFT_RETRIES in ftape.h) cannot be written to or read from it is - marked as an hard error and gets skipped. - The error correction code can handle up to three of these hard - errors provided there are no other errors in that segment (32 Kb). - -- Allows writing to tapes with defects (although the risk of loosing - data increases !) - Look for the media-defects entry printed with the statistics when - the tape is closed. A non-zero value here shows a bad tape. - [the actual count is wrong (too high), this is a known bug]. - -- Use of backup header segment if first one is failing. - -- Support for extended length tapes with QIC-80: both 425 and 1100 ft. - 0.25 inch tapes are now recognized and handled. - -- Support for new QIC-80 drives with 8 mm `wide' tapes (e.g. Conner - TSM 420). - -- Support for new QIC-3010 and QIC-3020 drives (experimental) with - both 0.25 inch and 8 mm tapes. - -Some minor features were added, a couple of small bugs were fixed and -probably some new ones introduced ;-). - -[lseek() didn't make it into this version] - -Have fun, - -Bas. ----- - LocalWords: ftape MCONFIG mt VFS zftape resp sftape proc subdir MTIOCVOLINFO - LocalWords: MTIOCGETSIZE BOT EOD MTBSF zft kerneld modprobe kdtime contrib TR - LocalWords: MTSETBLK afio uninstall texi www EIO QIC init sft eof aka dma GB - LocalWords: SIGKILL MTIOCFTCMD mmap Iomega FDC fdc io gnumt mtio fc asm inb - LocalWords: outb ft qic frontend TeXinfo irq mach MODVERSIONS CONFIG html dvi - LocalWords: usr doc SMP Mb Dunno FIXME vtblc perl listtape volinfo fsf MTWEOF - LocalWords: amanda degaussed ComByte DoublePlay whraven njackn com MTIOC vtbl - LocalWords: GETBLKSZ MAKEDEV zftape's linux dif CVS Revison cp MTREW MTOFFL - LocalWords: MTFSF BSF Marcin Dalecki GCC Config cpio swapout Kai Harrekilde - LocalWords: Pederson khp dolphinics Justus claus momo rwth aachen Laarhoven diff --git a/drivers/char/ftape/compressor/Makefile b/drivers/char/ftape/compressor/Makefile deleted file mode 100644 index 1fbd6c4019d..00000000000 --- a/drivers/char/ftape/compressor/Makefile +++ /dev/null @@ -1,31 +0,0 @@ -# -# Copyright (C) 1997 Claus-Justus Heine. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; see the file COPYING. If not, write to -# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. -# -# $Source: /homes/cvs/ftape-stacked/ftape/compressor/Makefile,v $ -# $Revision: 1.1 $ -# $Date: 1997/10/05 19:12:28 $ -# -# Makefile for the optional compressor for th zftape VFS -# interface to the QIC-40/80/3010/3020 floppy-tape driver for -# Linux. -# - -obj-$(CONFIG_ZFT_COMPRESSOR) += zft-compressor.o - -zft-compressor-objs := zftape-compress.o lzrw3.o - -CFLAGS_lzrw3.o := -O6 -funroll-all-loops diff --git a/drivers/char/ftape/compressor/lzrw3.c b/drivers/char/ftape/compressor/lzrw3.c deleted file mode 100644 index a032a0ee2a9..00000000000 --- a/drivers/char/ftape/compressor/lzrw3.c +++ /dev/null @@ -1,743 +0,0 @@ -/* - * $Source: /homes/cvs/ftape-stacked/ftape/compressor/lzrw3.c,v $ - * $Revision: 1.1 $ - * $Date: 1997/10/05 19:12:29 $ - * - * Implementation of Ross Williams lzrw3 algorithm. Adaption for zftape. - * - */ - -#include "../compressor/lzrw3.h" /* Defines single exported function "compress". */ - -/******************************************************************************/ -/* */ -/* LZRW3.C */ -/* */ -/******************************************************************************/ -/* */ -/* Author : Ross Williams. */ -/* Date : 30-Jun-1991. */ -/* Release : 1. */ -/* */ -/******************************************************************************/ -/* */ -/* This file contains an implementation of the LZRW3 data compression */ -/* algorithm in C. */ -/* */ -/* The algorithm is a general purpose compression algorithm that runs fast */ -/* and gives reasonable compression. The algorithm is a member of the Lempel */ -/* Ziv family of algorithms and bases its compression on the presence in the */ -/* data of repeated substrings. */ -/* */ -/* This algorithm is unpatented and the code is public domain. As the */ -/* algorithm is based on the LZ77 class of algorithms, it is unlikely to be */ -/* the subject of a patent challenge. */ -/* */ -/* Unlike the LZRW1 and LZRW1-A algorithms, the LZRW3 algorithm is */ -/* deterministic and is guaranteed to yield the same compressed */ -/* representation for a given file each time it is run. */ -/* */ -/* The LZRW3 algorithm was originally designed and implemented */ -/* by Ross Williams on 31-Dec-1990. */ -/* */ -/* Here are the results of applying this code, compiled under THINK C 4.0 */ -/* and running on a Mac-SE (8MHz 68000), to the standard calgary corpus. */ -/* */ -/* +----------------------------------------------------------------+ */ -/* | DATA COMPRESSION TEST | */ -/* | ===================== | */ -/* | Time of run : Sun 30-Jun-1991 09:31PM | */ -/* | Timing accuracy : One part in 100 | */ -/* | Context length : 262144 bytes (= 256.0000K) | */ -/* | Test suite : Calgary Corpus Suite | */ -/* | Files in suite : 14 | */ -/* | Algorithm : LZRW3 | */ -/* | Note: All averages are calculated from the un-rounded values. | */ -/* +----------------------------------------------------------------+ */ -/* | File Name Length CxB ComLen %Remn Bits Com K/s Dec K/s | */ -/* | ---------- ------ --- ------ ----- ---- ------- ------- | */ -/* | rpus:Bib.D 111261 1 55033 49.5 3.96 19.46 32.27 | */ -/* | us:Book1.D 768771 3 467962 60.9 4.87 17.03 31.07 | */ -/* | us:Book2.D 610856 3 317102 51.9 4.15 19.39 34.15 | */ -/* | rpus:Geo.D 102400 1 82424 80.5 6.44 11.65 18.18 | */ -/* | pus:News.D 377109 2 205670 54.5 4.36 17.14 27.47 | */ -/* | pus:Obj1.D 21504 1 13027 60.6 4.85 13.40 18.95 | */ -/* | pus:Obj2.D 246814 1 116286 47.1 3.77 19.31 30.10 | */ -/* | s:Paper1.D 53161 1 27522 51.8 4.14 18.60 31.15 | */ -/* | s:Paper2.D 82199 1 45160 54.9 4.40 18.45 32.84 | */ -/* | rpus:Pic.D 513216 2 122388 23.8 1.91 35.29 51.05 | */ -/* | us:Progc.D 39611 1 19669 49.7 3.97 18.87 30.64 | */ -/* | us:Progl.D 71646 1 28247 39.4 3.15 24.34 40.66 | */ -/* | us:Progp.D 49379 1 19377 39.2 3.14 23.91 39.23 | */ -/* | us:Trans.D 93695 1 33481 35.7 2.86 25.48 40.37 | */ -/* +----------------------------------------------------------------+ */ -/* | Average 224401 1 110953 50.0 4.00 20.17 32.72 | */ -/* +----------------------------------------------------------------+ */ -/* */ -/******************************************************************************/ - -/******************************************************************************/ - -/* The following structure is returned by the "compress" function below when */ -/* the user asks the function to return identifying information. */ -/* The most important field in the record is the working memory field which */ -/* tells the calling program how much working memory should be passed to */ -/* "compress" when it is called to perform a compression or decompression. */ -/* LZRW3 uses the same amount of memory during compression and decompression. */ -/* For more information on this structure see "compress.h". */ - -#define U(X) ((ULONG) X) -#define SIZE_P_BYTE (U(sizeof(UBYTE *))) -#define SIZE_WORD (U(sizeof(UWORD ))) -#define ALIGNMENT_FUDGE (U(16)) -#define MEM_REQ ( U(4096)*(SIZE_P_BYTE) + ALIGNMENT_FUDGE ) - -static struct compress_identity identity = -{ - U(0x032DDEA8), /* Algorithm identification number. */ - MEM_REQ, /* Working memory (bytes) required. */ - "LZRW3", /* Name of algorithm. */ - "1.0", /* Version number of algorithm. */ - "31-Dec-1990", /* Date of algorithm. */ - "Public Domain", /* Copyright notice. */ - "Ross N. Williams", /* Author of algorithm. */ - "Renaissance Software", /* Affiliation of author. */ - "Public Domain" /* Vendor of algorithm. */ -}; - -LOCAL void compress_compress (UBYTE *,UBYTE *,ULONG,UBYTE *, LONG *); -LOCAL void compress_decompress(UBYTE *,UBYTE *,LONG, UBYTE *, ULONG *); - -/******************************************************************************/ - -/* This function is the only function exported by this module. */ -/* Depending on its first parameter, the function can be requested to */ -/* compress a block of memory, decompress a block of memory, or to identify */ -/* itself. For more information, see the specification file "compress.h". */ - -EXPORT void lzrw3_compress( - UWORD action, /* Action to be performed. */ - UBYTE *wrk_mem, /* Address of working memory we can use.*/ - UBYTE *src_adr, /* Address of input data. */ - LONG src_len, /* Length of input data. */ - UBYTE *dst_adr, /* Address to put output data. */ - void *p_dst_len /* Address of longword for length of output data.*/ -) -{ - switch (action) - { - case COMPRESS_ACTION_IDENTITY: - *((struct compress_identity **)p_dst_len)= &identity; - break; - case COMPRESS_ACTION_COMPRESS: - compress_compress(wrk_mem,src_adr,src_len,dst_adr,(LONG *)p_dst_len); - break; - case COMPRESS_ACTION_DECOMPRESS: - compress_decompress(wrk_mem,src_adr,src_len,dst_adr,(LONG *)p_dst_len); - break; - } -} - -/******************************************************************************/ -/* */ -/* BRIEF DESCRIPTION OF THE LZRW3 ALGORITHM */ -/* ======================================== */ -/* The LZRW3 algorithm is identical to the LZRW1-A algorithm except that */ -/* instead of transmitting history offsets, it transmits hash table indexes. */ -/* In order to decode the indexes, the decompressor must maintain an */ -/* identical hash table. Copy items are straightforward:when the decompressor */ -/* receives a copy item, it simply looks up the hash table to translate the */ -/* index into a pointer into the data already decompressed. To update the */ -/* hash table, it replaces the same table entry with a pointer to the start */ -/* of the newly decoded phrase. The tricky part is with literal items, for at */ -/* the time that the decompressor receives a literal item the decompressor */ -/* does not have the three bytes in the Ziv (that the compressor has) to */ -/* perform the three-byte hash. To solve this problem, in LZRW3, both the */ -/* compressor and decompressor are wired up so that they "buffer" these */ -/* literals and update their hash tables only when three bytes are available. */ -/* This makes the maximum buffering 2 bytes. */ -/* */ -/* Replacement of offsets by hash table indexes yields a few percent extra */ -/* compression at the cost of some speed. LZRW3 is slower than LZRW1, LZRW1-A */ -/* and LZRW2, but yields better compression. */ -/* */ -/* Extra compression could be obtained by using a hash table of depth two. */ -/* However, increasing the depth above one incurs a significant decrease in */ -/* compression speed which was not considered worthwhile. Another reason for */ -/* keeping the depth down to one was to allow easy comparison with the */ -/* LZRW1-A and LZRW2 algorithms so as to demonstrate the exact effect of the */ -/* use of direct hash indexes. */ -/* */ -/* +---+ */ -/* |___|4095 */ -/* |___| */ -/* +---------------------*_|<---+ /----+---\ */ -/* | |___| +---|Hash | */ -/* | |___| |Function| */ -/* | |___| \--------/ */ -/* | |___|0 ^ */ -/* | +---+ | */ -/* | Hash +-----+ */ -/* | Table | */ -/* | --- */ -/* v ^^^ */ -/* +-------------------------------------|----------------+ */ -/* |||||||||||||||||||||||||||||||||||||||||||||||||||||||| */ -/* +-------------------------------------|----------------+ */ -/* | |1......18| | */ -/* |<------- Lempel=History ------------>|<--Ziv-->| | */ -/* | (=bytes already processed) |<-Still to go-->| */ -/* |<-------------------- INPUT BLOCK ------------------->| */ -/* */ -/* The diagram above for LZRW3 looks almost identical to the diagram for */ -/* LZRW1. The difference is that in LZRW3, the compressor transmits hash */ -/* table indices instead of Lempel offsets. For this to work, the */ -/* decompressor must maintain a hash table as well as the compressor and both */ -/* compressor and decompressor must "buffer" literals, as the decompressor */ -/* cannot hash phrases commencing with a literal until another two bytes have */ -/* arrived. */ -/* */ -/* LZRW3 Algorithm Execution Summary */ -/* --------------------------------- */ -/* 1. Hash the first three bytes of the Ziv to yield a hash table index h. */ -/* 2. Look up the hash table yielding history pointer p. */ -/* 3. Match where p points with the Ziv. If there is a match of three or */ -/* more bytes, code those bytes (in the Ziv) as a copy item, otherwise */ -/* code the next byte in the Ziv as a literal item. */ -/* 4. Update the hash table as possible subject to the constraint that only */ -/* phrases commencing three bytes back from the Ziv can be hashed and */ -/* entered into the hash table. (This enables the decompressor to keep */ -/* pace). See the description and code for more details. */ -/* */ -/******************************************************************************/ -/* */ -/* DEFINITION OF COMPRESSED FILE FORMAT */ -/* ==================================== */ -/* * A compressed file consists of a COPY FLAG followed by a REMAINDER. */ -/* * The copy flag CF uses up four bytes with the first byte being the */ -/* least significant. */ -/* * If CF=1, then the compressed file represents the remainder of the file */ -/* exactly. Otherwise CF=0 and the remainder of the file consists of zero */ -/* or more GROUPS, each of which represents one or more bytes. */ -/* * Each group consists of two bytes of CONTROL information followed by */ -/* sixteen ITEMs except for the last group which can contain from one */ -/* to sixteen items. */ -/* * An item can be either a LITERAL item or a COPY item. */ -/* * Each item corresponds to a bit in the control bytes. */ -/* * The first control byte corresponds to the first 8 items in the group */ -/* with bit 0 corresponding to the first item in the group and bit 7 to */ -/* the eighth item in the group. */ -/* * The second control byte corresponds to the second 8 items in the group */ -/* with bit 0 corresponding to the ninth item in the group and bit 7 to */ -/* the sixteenth item in the group. */ -/* * A zero bit in a control word means that the corresponding item is a */ -/* literal item. A one bit corresponds to a copy item. */ -/* * A literal item consists of a single byte which represents itself. */ -/* * A copy item consists of two bytes that represent from 3 to 18 bytes. */ -/* * The first byte in a copy item will be denoted C1. */ -/* * The second byte in a copy item will be denoted C2. */ -/* * Bits will be selected using square brackets. */ -/* For example: C1[0..3] is the low nibble of the first control byte. */ -/* of copy item C1. */ -/* * The LENGTH of a copy item is defined to be C1[0..3]+3 which is a number */ -/* in the range [3,18]. */ -/* * The INDEX of a copy item is defined to be C1[4..7]*256+C2[0..8] which */ -/* is a number in the range [0,4095]. */ -/* * A copy item represents the sequence of bytes */ -/* text[POS-OFFSET..POS-OFFSET+LENGTH-1] where */ -/* text is the entire text of the uncompressed string. */ -/* POS is the index in the text of the character following the */ -/* string represented by all the items preceeding the item */ -/* being defined. */ -/* OFFSET is obtained from INDEX by looking up the hash table. */ -/* */ -/******************************************************************************/ - -/* The following #define defines the length of the copy flag that appears at */ -/* the start of the compressed file. The value of four bytes was chosen */ -/* because the fast_copy routine on my Macintosh runs faster if the source */ -/* and destination blocks are relatively longword aligned. */ -/* The actual flag data appears in the first byte. The rest are zeroed so as */ -/* to normalize the compressed representation (i.e. not non-deterministic). */ -#define FLAG_BYTES 4 - -/* The following #defines define the meaning of the values of the copy */ -/* flag at the start of the compressed file. */ -#define FLAG_COMPRESS 0 /* Signals that output was result of compression. */ -#define FLAG_COPY 1 /* Signals that output was simply copied over. */ - -/* The 68000 microprocessor (on which this algorithm was originally developed */ -/* is fussy about non-aligned arrays of words. To avoid these problems the */ -/* following macro can be used to "waste" from 0 to 3 bytes so as to align */ -/* the argument pointer. */ -#define ULONG_ALIGN_UP(X) ((((ULONG)X)+sizeof(ULONG)-1)&~(sizeof(ULONG)-1)) - - -/* The following constant defines the maximum length of an uncompressed item. */ -/* This definition must not be changed; its value is hardwired into the code. */ -/* The longest number of bytes that can be spanned by a single item is 18 */ -/* for the longest copy item. */ -#define MAX_RAW_ITEM (18) - -/* The following constant defines the maximum length of an uncompressed group.*/ -/* This definition must not be changed; its value is hardwired into the code. */ -/* A group contains at most 16 items which explains this definition. */ -#define MAX_RAW_GROUP (16*MAX_RAW_ITEM) - -/* The following constant defines the maximum length of a compressed group. */ -/* This definition must not be changed; its value is hardwired into the code. */ -/* A compressed group consists of two control bytes followed by up to 16 */ -/* compressed items each of which can have a maximum length of two bytes. */ -#define MAX_CMP_GROUP (2+16*2) - -/* The following constant defines the number of entries in the hash table. */ -/* This definition must not be changed; its value is hardwired into the code. */ -#define HASH_TABLE_LENGTH (4096) - -/* LZRW3, unlike LZRW1(-A), must initialize its hash table so as to enable */ -/* the compressor and decompressor to stay in step maintaining identical hash */ -/* tables. In an early version of the algorithm, the tables were simply */ -/* initialized to zero and a check for zero was included just before the */ -/* matching code. However, this test costs time. A better solution is to */ -/* initialize all the entries in the hash table to point to a constant */ -/* string. The decompressor does the same. This solution requires no extra */ -/* test. The contents of the string do not matter so long as the string is */ -/* the same for the compressor and decompressor and contains at least */ -/* MAX_RAW_ITEM bytes. I chose consecutive decimal digits because they do not */ -/* have white space problems (e.g. there is no chance that the compiler will */ -/* replace more than one space by a TAB) and because they make the length of */ -/* the string obvious by inspection. */ -#define START_STRING_18 ((UBYTE *) "123456789012345678") - -/* In this algorithm, hash values have to be calculated at more than one */ -/* point. The following macro neatens the code up for this. */ -#define HASH(PTR) \ - (((40543*(((*(PTR))<<8)^((*((PTR)+1))<<4)^(*((PTR)+2))))>>4) & 0xFFF) - -/******************************************************************************/ - -/* Input : Hand over the required amount of working memory in p_wrk_mem. */ -/* Input : Specify input block using p_src_first and src_len. */ -/* Input : Point p_dst_first to the start of the output zone (OZ). */ -/* Input : Point p_dst_len to a ULONG to receive the output length. */ -/* Input : Input block and output zone must not overlap. */ -/* Output : Length of output block written to *p_dst_len. */ -/* Output : Output block in Mem[p_dst_first..p_dst_first+*p_dst_len-1]. May */ -/* Output : write in OZ=Mem[p_dst_first..p_dst_first+src_len+MAX_CMP_GROUP-1].*/ -/* Output : Upon completion guaranteed *p_dst_len<=src_len+FLAG_BYTES. */ -LOCAL void compress_compress(UBYTE *p_wrk_mem, - UBYTE *p_src_first, ULONG src_len, - UBYTE *p_dst_first, LONG *p_dst_len) -{ - /* p_src and p_dst step through the source and destination blocks. */ - register UBYTE *p_src = p_src_first; - register UBYTE *p_dst = p_dst_first; - - /* The following variables are never modified and are used in the */ - /* calculations that determine when the main loop terminates. */ - UBYTE *p_src_post = p_src_first+src_len; - UBYTE *p_dst_post = p_dst_first+src_len; - UBYTE *p_src_max1 = p_src_first+src_len-MAX_RAW_ITEM; - UBYTE *p_src_max16 = p_src_first+src_len-MAX_RAW_ITEM*16; - - /* The variables 'p_control' and 'control' are used to buffer control bits. */ - /* Before each group is processed, the next two bytes of the output block */ - /* are set aside for the control word for the group about to be processed. */ - /* 'p_control' is set to point to the first byte of that word. Meanwhile, */ - /* 'control' buffers the control bits being generated during the processing */ - /* of the group. Instead of having a counter to keep track of how many items */ - /* have been processed (=the number of bits in the control word), at the */ - /* start of each group, the top word of 'control' is filled with 1 bits. */ - /* As 'control' is shifted for each item, the 1 bits in the top word are */ - /* absorbed or destroyed. When they all run out (i.e. when the top word is */ - /* all zero bits, we know that we are at the end of a group. */ -# define TOPWORD 0xFFFF0000 - UBYTE *p_control; - register ULONG control=TOPWORD; - - /* THe variable 'hash' always points to the first element of the hash table. */ - UBYTE **hash= (UBYTE **) ULONG_ALIGN_UP(p_wrk_mem); - - /* The following two variables represent the literal buffer. p_h1 points to */ - /* the hash table entry corresponding to the youngest literal. p_h2 points */ - /* to the hash table entry corresponding to the second youngest literal. */ - /* Note: p_h1=0=>p_h2=0 because zero values denote absence of a pending */ - /* literal. The variables are initialized to zero meaning an empty "buffer". */ - UBYTE **p_h1=NULL; - UBYTE **p_h2=NULL; - - /* To start, we write the flag bytes. Being optimistic, we set the flag to */ - /* FLAG_COMPRESS. The remaining flag bytes are zeroed so as to keep the */ - /* algorithm deterministic. */ - *p_dst++=FLAG_COMPRESS; - {UWORD i; for (i=2;i<=FLAG_BYTES;i++) *p_dst++=0;} - - /* Reserve the first word of output as the control word for the first group. */ - /* Note: This is undone at the end if the input block is empty. */ - p_control=p_dst; p_dst+=2; - - /* Initialize all elements of the hash table to point to a constant string. */ - /* Use of an unrolled loop speeds this up considerably. */ - {UWORD i; UBYTE **p_h=hash; -# define ZH *p_h++=START_STRING_18 - for (i=0;i<256;i++) /* 256=HASH_TABLE_LENGTH/16. */ - {ZH;ZH;ZH;ZH; - ZH;ZH;ZH;ZH; - ZH;ZH;ZH;ZH; - ZH;ZH;ZH;ZH;} - } - - /* The main loop processes either 1 or 16 items per iteration. As its */ - /* termination logic is complicated, I have opted for an infinite loop */ - /* structure containing 'break' and 'goto' statements. */ - while (TRUE) - {/* Begin main processing loop. */ - - /* Note: All the variables here except unroll should be defined within */ - /* the inner loop. Unfortunately the loop hasn't got a block. */ - register UBYTE *p; /* Scans through targ phrase during matching. */ - register UBYTE *p_ziv= NULL ; /* Points to first byte of current Ziv. */ - register UWORD unroll; /* Loop counter for unrolled inner loop. */ - register UWORD index; /* Index of current hash table entry. */ - register UBYTE **p_h0 = NULL ; /* Pointer to current hash table entry. */ - - /* Test for overrun and jump to overrun code if necessary. */ - if (p_dst>p_dst_post) - goto overrun; - - /* The following cascade of if statements efficiently catches and deals */ - /* with varying degrees of closeness to the end of the input block. */ - /* When we get very close to the end, we stop updating the table and */ - /* code the remaining bytes as literals. This makes the code simpler. */ - unroll=16; - if (p_src>p_src_max16) - { - unroll=1; - if (p_src>p_src_max1) - { - if (p_src==p_src_post) - break; - else - goto literal; - } - } - - /* This inner unrolled loop processes 'unroll' (whose value is either 1 */ - /* or 16) items. I have chosen to implement this loop with labels and */ - /* gotos to heighten the ease with which the loop may be implemented with */ - /* a single decrement and branch instruction in assembly language and */ - /* also because the labels act as highly readable place markers. */ - /* (Also because we jump into the loop for endgame literals (see above)). */ - - begin_unrolled_loop: - - /* To process the next phrase, we hash the next three bytes and use */ - /* the resultant hash table index to look up the hash table. A pointer */ - /* to the entry is stored in p_h0 so as to avoid an array lookup. The */ - /* hash table entry *p_h0 is looked up yielding a pointer p to a */ - /* potential match of the Ziv in the history. */ - index=HASH(p_src); - p_h0=&hash[index]; - p=*p_h0; - - /* Having looked up the candidate position, we are in a position to */ - /* attempt a match. The match loop has been unrolled using the PS */ - /* macro so that failure within the first three bytes automatically */ - /* results in the literal branch being taken. The coding is simple. */ - /* p_ziv saves p_src so we can let p_src wander. */ -# define PS *p++!=*p_src++ - p_ziv=p_src; - if (PS || PS || PS) - { - /* Literal. */ - - /* Code the literal byte as itself and a zero control bit. */ - p_src=p_ziv; literal: *p_dst++=*p_src++; control&=0xFFFEFFFF; - - /* We have just coded a literal. If we had two pending ones, that */ - /* makes three and we can update the hash table. */ - if (p_h2!=0) - {*p_h2=p_ziv-2;} - - /* In any case, rotate the hash table pointers for next time. */ - p_h2=p_h1; p_h1=p_h0; - - } - else - { - /* Copy */ - - /* Match up to 15 remaining bytes using an unrolled loop and code. */ -#if 0 - PS || PS || PS || PS || PS || PS || PS || PS || - PS || PS || PS || PS || PS || PS || PS || p_src++; -#else - if ( - !( PS || PS || PS || PS || PS || PS || PS || PS || - PS || PS || PS || PS || PS || PS || PS ) - ) p_src++; -#endif - *p_dst++=((index&0xF00)>>4)|(--p_src-p_ziv-3); - *p_dst++=index&0xFF; - - /* As we have just coded three bytes, we are now in a position to */ - /* update the hash table with the literal bytes that were pending */ - /* upon the arrival of extra context bytes. */ - if (p_h1!=0) - { - if (p_h2) - {*p_h2=p_ziv-2; p_h2=NULL;} - *p_h1=p_ziv-1; p_h1=NULL; - } - - /* In any case, we can update the hash table based on the current */ - /* position as we just coded at least three bytes in a copy items. */ - *p_h0=p_ziv; - - } - control>>=1; - - /* This loop is all set up for a decrement and jump instruction! */ -#ifndef linux -` end_unrolled_loop: if (--unroll) goto begin_unrolled_loop; -#else - /* end_unrolled_loop: */ if (--unroll) goto begin_unrolled_loop; -#endif - - /* At this point it will nearly always be the end of a group in which */ - /* case, we have to do some control-word processing. However, near the */ - /* end of the input block, the inner unrolled loop is only executed once. */ - /* This necessitates the 'if' test. */ - if ((control&TOPWORD)==0) - { - /* Write the control word to the place we saved for it in the output. */ - *p_control++= control &0xFF; - *p_control = (control>>8) &0xFF; - - /* Reserve the next word in the output block for the control word */ - /* for the group about to be processed. */ - p_control=p_dst; p_dst+=2; - - /* Reset the control bits buffer. */ - control=TOPWORD; - } - - } /* End main processing loop. */ - - /* After the main processing loop has executed, all the input bytes have */ - /* been processed. However, the control word has still to be written to the */ - /* word reserved for it in the output at the start of the most recent group. */ - /* Before writing, the control word has to be shifted so that all the bits */ - /* are in the right place. The "empty" bit positions are filled with 1s */ - /* which partially fill the top word. */ - while(control&TOPWORD) control>>=1; - *p_control++= control &0xFF; - *p_control++=(control>>8) &0xFF; - - /* If the last group contained no items, delete the control word too. */ - if (p_control==p_dst) p_dst-=2; - - /* Write the length of the output block to the dst_len parameter and return. */ - *p_dst_len=p_dst-p_dst_first; - return; - - /* Jump here as soon as an overrun is detected. An overrun is defined to */ - /* have occurred if p_dst>p_dst_first+src_len. That is, the moment the */ - /* length of the output written so far exceeds the length of the input block.*/ - /* The algorithm checks for overruns at least at the end of each group */ - /* which means that the maximum overrun is MAX_CMP_GROUP bytes. */ - /* Once an overrun occurs, the only thing to do is to set the copy flag and */ - /* copy the input over. */ - overrun: -#if 0 - *p_dst_first=FLAG_COPY; - fast_copy(p_src_first,p_dst_first+FLAG_BYTES,src_len); - *p_dst_len=src_len+FLAG_BYTES; -#else - fast_copy(p_src_first,p_dst_first,src_len); - *p_dst_len= -src_len; /* return a negative number to indicate uncompressed data */ -#endif -} - -/******************************************************************************/ - -/* Input : Hand over the required amount of working memory in p_wrk_mem. */ -/* Input : Specify input block using p_src_first and src_len. */ -/* Input : Point p_dst_first to the start of the output zone. */ -/* Input : Point p_dst_len to a ULONG to receive the output length. */ -/* Input : Input block and output zone must not overlap. User knows */ -/* Input : upperbound on output block length from earlier compression. */ -/* Input : In any case, maximum expansion possible is nine times. */ -/* Output : Length of output block written to *p_dst_len. */ -/* Output : Output block in Mem[p_dst_first..p_dst_first+*p_dst_len-1]. */ -/* Output : Writes only in Mem[p_dst_first..p_dst_first+*p_dst_len-1]. */ -LOCAL void compress_decompress( UBYTE *p_wrk_mem, - UBYTE *p_src_first, LONG src_len, - UBYTE *p_dst_first, ULONG *p_dst_len) -{ - /* Byte pointers p_src and p_dst scan through the input and output blocks. */ - register UBYTE *p_src = p_src_first+FLAG_BYTES; - register UBYTE *p_dst = p_dst_first; - /* we need to avoid a SEGV when trying to uncompress corrupt data */ - register UBYTE *p_dst_post = p_dst_first + *p_dst_len; - - /* The following two variables are never modified and are used to control */ - /* the main loop. */ - UBYTE *p_src_post = p_src_first+src_len; - UBYTE *p_src_max16 = p_src_first+src_len-(MAX_CMP_GROUP-2); - - /* The hash table is the only resident of the working memory. The hash table */ - /* contains HASH_TABLE_LENGTH=4096 pointers to positions in the history. To */ - /* keep Macintoshes happy, it is longword aligned. */ - UBYTE **hash = (UBYTE **) ULONG_ALIGN_UP(p_wrk_mem); - - /* The variable 'control' is used to buffer the control bits which appear in */ - /* groups of 16 bits (control words) at the start of each compressed group. */ - /* When each group is read, bit 16 of the register is set to one. Whenever */ - /* a new bit is needed, the register is shifted right. When the value of the */ - /* register becomes 1, we know that we have reached the end of a group. */ - /* Initializing the register to 1 thus instructs the code to follow that it */ - /* should read a new control word immediately. */ - register ULONG control=1; - - /* The value of 'literals' is always in the range 0..3. It is the number of */ - /* consecutive literal items just seen. We have to record this number so as */ - /* to know when to update the hash table. When literals gets to 3, there */ - /* have been three consecutive literals and we can update at the position of */ - /* the oldest of the three. */ - register UWORD literals=0; - - /* Check the leading copy flag to see if the compressor chose to use a copy */ - /* operation instead of a compression operation. If a copy operation was */ - /* used, then all we need to do is copy the data over, set the output length */ - /* and return. */ -#if 0 - if (*p_src_first==FLAG_COPY) - { - fast_copy(p_src_first+FLAG_BYTES,p_dst_first,src_len-FLAG_BYTES); - *p_dst_len=src_len-FLAG_BYTES; - return; - } -#else - if ( src_len < 0 ) - { - fast_copy(p_src_first,p_dst_first,-src_len ); - *p_dst_len = (ULONG)-src_len; - return; - } -#endif - - /* Initialize all elements of the hash table to point to a constant string. */ - /* Use of an unrolled loop speeds this up considerably. */ - {UWORD i; UBYTE **p_h=hash; -# define ZJ *p_h++=START_STRING_18 - for (i=0;i<256;i++) /* 256=HASH_TABLE_LENGTH/16. */ - {ZJ;ZJ;ZJ;ZJ; - ZJ;ZJ;ZJ;ZJ; - ZJ;ZJ;ZJ;ZJ; - ZJ;ZJ;ZJ;ZJ;} - } - - /* The outer loop processes either 1 or 16 items per iteration depending on */ - /* how close p_src is to the end of the input block. */ - while (p_src!=p_src_post) - {/* Start of outer loop */ - - register UWORD unroll; /* Counts unrolled loop executions. */ - - /* When 'control' has the value 1, it means that the 16 buffered control */ - /* bits that were read in at the start of the current group have all been */ - /* shifted out and that all that is left is the 1 bit that was injected */ - /* into bit 16 at the start of the current group. When we reach the end */ - /* of a group, we have to load a new control word and inject a new 1 bit. */ - if (control==1) - { - control=0x10000|*p_src++; - control|=(*p_src++)<<8; - } - - /* If it is possible that we are within 16 groups from the end of the */ - /* input, execute the unrolled loop only once, else process a whole group */ - /* of 16 items by looping 16 times. */ - unroll= p_src<=p_src_max16 ? 16 : 1; - - /* This inner loop processes one phrase (item) per iteration. */ - while (unroll--) - { /* Begin unrolled inner loop. */ - - /* Process a literal or copy item depending on the next control bit. */ - if (control&1) - { - /* Copy item. */ - - register UBYTE *p; /* Points to place from which to copy. */ - register UWORD lenmt; /* Length of copy item minus three. */ - register UBYTE **p_hte; /* Pointer to current hash table entry.*/ - register UBYTE *p_ziv=p_dst; /* Pointer to start of current Ziv. */ - - /* Read and dismantle the copy word. Work out from where to copy. */ - lenmt=*p_src++; - p_hte=&hash[((lenmt&0xF0)<<4)|*p_src++]; - p=*p_hte; - lenmt&=0xF; - - /* Now perform the copy using a half unrolled loop. */ - *p_dst++=*p++; - *p_dst++=*p++; - *p_dst++=*p++; - while (lenmt--) - *p_dst++=*p++; - - /* Because we have just received 3 or more bytes in a copy item */ - /* (whose bytes we have just installed in the output), we are now */ - /* in a position to flush all the pending literal hashings that had */ - /* been postponed for lack of bytes. */ - if (literals>0) - { - register UBYTE *r=p_ziv-literals; - hash[HASH(r)]=r; - if (literals==2) - {r++; hash[HASH(r)]=r;} - literals=0; - } - - /* In any case, we can immediately update the hash table with the */ - /* current position. We don't need to do a HASH(...) to work out */ - /* where to put the pointer, as the compressor just told us!!! */ - *p_hte=p_ziv; - - } - else - { - /* Literal item. */ - - /* Copy over the literal byte. */ - *p_dst++=*p_src++; - - /* If we now have three literals waiting to be hashed into the hash */ - /* table, we can do one of them now (because there are three). */ - if (++literals == 3) - {register UBYTE *p=p_dst-3; hash[HASH(p)]=p; literals=2;} - } - - /* Shift the control buffer so the next control bit is in bit 0. */ - control>>=1; -#if 1 - if (p_dst > p_dst_post) - { - /* Shit: we tried to decompress corrupt data */ - *p_dst_len = 0; - return; - } -#endif - } /* End unrolled inner loop. */ - - } /* End of outer loop */ - - /* Write the length of the decompressed data before returning. */ - *p_dst_len=p_dst-p_dst_first; -} - -/******************************************************************************/ -/* End of LZRW3.C */ -/******************************************************************************/ diff --git a/drivers/char/ftape/compressor/lzrw3.h b/drivers/char/ftape/compressor/lzrw3.h deleted file mode 100644 index 533feba4752..00000000000 --- a/drivers/char/ftape/compressor/lzrw3.h +++ /dev/null @@ -1,253 +0,0 @@ -#ifndef _LZRW3_H -#define _LZRW3_H -/* - * $Source: /homes/cvs/ftape-stacked/ftape/compressor/lzrw3.h,v $ - * $Revision: 1.1 $ - * $Date: 1997/10/05 19:12:30 $ - * - * include files for lzrw3. Only slighty modified from the original - * version. Assembles the three include files compress.h, port.h and - * fastcopy.h from the original lzrw3 package. - * - */ - -#include -#include - -/******************************************************************************/ -/* */ -/* COMPRESS.H */ -/* */ -/******************************************************************************/ -/* */ -/* Author : Ross Williams. */ -/* Date : December 1989. */ -/* */ -/* This header file defines the interface to a set of functions called */ -/* 'compress', each member of which implements a particular data compression */ -/* algorithm. */ -/* */ -/* Normally in C programming, for each .H file, there is a corresponding .C */ -/* file that implements the functions promised in the .H file. */ -/* Here, there are many .C files corresponding to this header file. */ -/* Each comforming implementation file contains a single function */ -/* called 'compress' that implements a single data compression */ -/* algorithm that conforms with the interface specified in this header file. */ -/* Only one algorithm can be linked in at a time in this organization. */ -/* */ -/******************************************************************************/ -/* */ -/* DEFINITION OF FUNCTION COMPRESS */ -/* =============================== */ -/* */ -/* Summary of Function Compress */ -/* ---------------------------- */ -/* The action that 'compress' takes depends on its first argument called */ -/* 'action'. The function provides three actions: */ -/* */ -/* - Return information about the algorithm. */ -/* - Compress a block of memory. */ -/* - Decompress a block of memory. */ -/* */ -/* Parameters */ -/* ---------- */ -/* See the formal C definition later for a description of the parameters. */ -/* */ -/* Constants */ -/* --------- */ -/* COMPRESS_OVERRUN: The constant COMPRESS_OVERRUN defines by how many bytes */ -/* an algorithm is allowed to expand a block during a compression operation. */ -/* */ -/* Although compression algorithms usually compress data, there will always */ -/* be data that a given compressor will expand (this can be proven). */ -/* Fortunately, the degree of expansion can be limited to a single bit, by */ -/* copying over the input data if the data gets bigger during compression. */ -/* To allow for this possibility, the first bit of a compressed */ -/* representation can be used as a flag indicating whether the */ -/* input data was copied over, or truly compressed. In practice, the first */ -/* byte would be used to store this bit so as to maintain byte alignment. */ -/* */ -/* Unfortunately, in general, the only way to tell if an algorithm will */ -/* expand a particular block of data is to run the algorithm on the data. */ -/* If the algorithm does not continuously monitor how many output bytes it */ -/* has written, it might write an output block far larger than the input */ -/* block before realizing that it has done so. */ -/* On the other hand, continuous checks on output length are inefficient. */ -/* */ -/* To cater for all these problems, this interface definition: */ -/* > Allows a compression algorithm to return an output block that is up to */ -/* COMPRESS_OVERRUN bytes longer than the input block. */ -/* > Allows a compression algorithm to write up to COMPRESS_OVERRUN bytes */ -/* more than the length of the input block to the memory of the output */ -/* block regardless of the length of the output block eventually returned. */ -/* This allows an algorithm to overrun the length of the input block in the */ -/* output block by up to COMPRESS_OVERRUN bytes between expansion checks. */ -/* */ -/* The problem does not arise for decompression. */ -/* */ -/* Identity Action */ -/* --------------- */ -/* > action must be COMPRESS_ACTION_IDENTITY. */ -/* > p_dst_len must point to a longword to receive a longword address. */ -/* > The value of the other parameters does not matter. */ -/* > After execution, the longword that p_dst_len points to will be a pointer */ -/* to a structure of type compress_identity. */ -/* Thus, for example, after the call, (*p_dst_len)->memory will return the */ -/* number of bytes of working memory that the algorithm requires to run. */ -/* > The values of the identity structure returned are fixed constant */ -/* attributes of the algorithm and must not vary from call to call. */ -/* */ -/* Common Requirements for Compression and Decompression Actions */ -/* ------------------------------------------------------------- */ -/* > wrk_mem must point to an unused block of memory of a length specified in */ -/* the algorithm's identity block. The identity block can be obtained by */ -/* making a separate call to compress, specifying the identity action. */ -/* > The INPUT BLOCK is defined to be Memory[src_addr,src_addr+src_len-1]. */ -/* > dst_len will be used to denote *p_dst_len. */ -/* > dst_len is not read by compress, only written. */ -/* > The value of dst_len is defined only upon termination. */ -/* > The OUTPUT BLOCK is defined to be Memory[dst_addr,dst_addr+dst_len-1]. */ -/* */ -/* Compression Action */ -/* ------------------ */ -/* > action must be COMPRESS_ACTION_COMPRESS. */ -/* > src_len must be in the range [0,COMPRESS_MAX_ORG]. */ -/* > The OUTPUT ZONE is defined to be */ -/* Memory[dst_addr,dst_addr+src_len-1+COMPRESS_OVERRUN]. */ -/* > The function can modify any part of the output zone regardless of the */ -/* final length of the output block. */ -/* > The input block and the output zone must not overlap. */ -/* > dst_len will be in the range [0,src_len+COMPRESS_OVERRUN]. */ -/* > dst_len will be in the range [0,COMPRESS_MAX_COM] (from prev fact). */ -/* > The output block will consist of a representation of the input block. */ -/* */ -/* Decompression Action */ -/* -------------------- */ -/* > action must be COMPRESS_ACTION_DECOMPRESS. */ -/* > The input block must be the result of an earlier compression operation. */ -/* > If the previous fact is true, the following facts must also be true: */ -/* > src_len will be in the range [0,COMPRESS_MAX_COM]. */ -/* > dst_len will be in the range [0,COMPRESS_MAX_ORG]. */ -/* > The input and output blocks must not overlap. */ -/* > Only the output block is modified. */ -/* > Upon termination, the output block will consist of the bytes contained */ -/* in the input block passed to the earlier compression operation. */ -/* */ -/******************************************************************************/ - -/******************************************************************************/ -/* */ -/* PORT.H */ -/* */ -/******************************************************************************/ -/* */ -/* This module contains macro definitions and types that are likely to */ -/* change between computers. */ -/* */ -/******************************************************************************/ - -#ifndef DONE_PORT /* Only do this if not previously done. */ - - #ifdef THINK_C - #define UBYTE unsigned char /* Unsigned byte */ - #define UWORD unsigned int /* Unsigned word (2 bytes) */ - #define ULONG unsigned long /* Unsigned word (4 bytes) */ - #define BOOL unsigned char /* Boolean */ - #define FOPEN_BINARY_READ "rb" /* Mode string for binary reading. */ - #define FOPEN_BINARY_WRITE "wb" /* Mode string for binary writing. */ - #define FOPEN_TEXT_APPEND "a" /* Mode string for text appending. */ - #define REAL double /* USed for floating point stuff. */ - #endif - #if defined(LINUX) || defined(linux) - #define UBYTE __u8 /* Unsigned byte */ - #define UWORD __u16 /* Unsigned word (2 bytes) */ - #define ULONG __u32 /* Unsigned word (4 bytes) */ - #define LONG __s32 /* Signed word (4 bytes) */ - #define BOOL is not used here /* Boolean */ - #define FOPEN_BINARY_READ not used /* Mode string for binary reading. */ - #define FOPEN_BINARY_WRITE not used /* Mode string for binary writing. */ - #define FOPEN_TEXT_APPEND not used /* Mode string for text appending. */ - #define REAL not used /* USed for floating point stuff. */ - #ifndef TRUE - #define TRUE 1 - #endif - #endif - - #define DONE_PORT /* Don't do all this again. */ - #define MALLOC_FAIL NULL /* Failure status from malloc() */ - #define LOCAL static /* For non-exported routines. */ - #define EXPORT /* Signals exported function. */ - #define then /* Useful for aligning ifs. */ - -#endif - -/******************************************************************************/ -/* End of PORT.H */ -/******************************************************************************/ - -#define COMPRESS_ACTION_IDENTITY 0 -#define COMPRESS_ACTION_COMPRESS 1 -#define COMPRESS_ACTION_DECOMPRESS 2 - -#define COMPRESS_OVERRUN 1024 -#define COMPRESS_MAX_COM 0x70000000 -#define COMPRESS_MAX_ORG (COMPRESS_MAX_COM-COMPRESS_OVERRUN) - -#define COMPRESS_MAX_STRLEN 255 - -/* The following structure provides information about the algorithm. */ -/* > The top bit of id must be zero. The remaining bits must be chosen by */ -/* the author of the algorithm by tossing a coin 31 times. */ -/* > The amount of memory requested by the algorithm is specified in bytes */ -/* and must be in the range [0,0x70000000]. */ -/* > All strings s must be such that strlen(s)<=COMPRESS_MAX_STRLEN. */ -struct compress_identity - { - ULONG id; /* Identifying number of algorithm. */ - ULONG memory; /* Number of bytes of working memory required. */ - - char *name; /* Name of algorithm. */ - char *version; /* Version number. */ - char *date; /* Date of release of this version. */ - char *copyright; /* Copyright message. */ - - char *author; /* Author of algorithm. */ - char *affiliation; /* Affiliation of author. */ - char *vendor; /* Where the algorithm can be obtained. */ - }; - -void lzrw3_compress( /* Single function interface to compression algorithm. */ -UWORD action, /* Action to be performed. */ -UBYTE *wrk_mem, /* Working memory temporarily given to routine to use. */ -UBYTE *src_adr, /* Address of input data. */ -LONG src_len, /* Length of input data. */ -UBYTE *dst_adr, /* Address of output data. */ -void *p_dst_len /* Pointer to a longword where routine will write: */ - /* If action=..IDENTITY => Adr of id structure. */ - /* If action=..COMPRESS => Length of output data. */ - /* If action=..DECOMPRESS => Length of output data. */ -); - -/******************************************************************************/ -/* End of COMPRESS.H */ -/******************************************************************************/ - - -/******************************************************************************/ -/* fast_copy.h */ -/******************************************************************************/ - -/* This function copies a block of memory very quickly. */ -/* The exact speed depends on the relative alignment of the blocks of memory. */ -/* PRE : 0<=src_len<=(2^32)-1 . */ -/* PRE : Source and destination blocks must not overlap. */ -/* POST : MEM[dst_adr,dst_adr+src_len-1]=MEM[src_adr,src_adr+src_len-1]. */ -/* POST : MEM[dst_adr,dst_adr+src_len-1] is the only memory changed. */ - -#define fast_copy(src,dst,len) memcpy(dst,src,len) - -/******************************************************************************/ -/* End of fast_copy.h */ -/******************************************************************************/ - -#endif diff --git a/drivers/char/ftape/compressor/zftape-compress.c b/drivers/char/ftape/compressor/zftape-compress.c deleted file mode 100644 index 65ffc0be3df..00000000000 --- a/drivers/char/ftape/compressor/zftape-compress.c +++ /dev/null @@ -1,1203 +0,0 @@ -/* - * Copyright (C) 1994-1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * This file implements a "generic" interface between the * - * zftape-driver and a compression-algorithm. The * - * compression-algorithm currently used is a LZ77. I use the * - * implementation lzrw3 by Ross N. Williams (Renaissance * - * Software). The compression program itself is in the file - * lzrw3.c * and lzrw3.h. To adopt another compression algorithm - * the functions * zft_compress() and zft_uncompress() must be - * changed * appropriately. See below. - */ - -#include -#include -#include - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../compressor/zftape-compress.h" -#include "../zftape/zftape-vtbl.h" -#include "../compressor/lzrw3.h" - -/* - * global variables - */ - -/* I handle the allocation of this buffer as a special case, because - * it's size varies depending on the tape length inserted. - */ - -/* local variables - */ -static void *zftc_wrk_mem = NULL; -static __u8 *zftc_buf = NULL; -static void *zftc_scratch_buf = NULL; - -/* compression statistics - */ -static unsigned int zftc_wr_uncompressed = 0; -static unsigned int zftc_wr_compressed = 0; -static unsigned int zftc_rd_uncompressed = 0; -static unsigned int zftc_rd_compressed = 0; - -/* forward */ -static int zftc_write(int *write_cnt, - __u8 *dst_buf, const int seg_sz, - const __u8 __user *src_buf, const int req_len, - const zft_position *pos, const zft_volinfo *volume); -static int zftc_read(int *read_cnt, - __u8 __user *dst_buf, const int to_do, - const __u8 *src_buf, const int seg_sz, - const zft_position *pos, const zft_volinfo *volume); -static int zftc_seek(unsigned int new_block_pos, - zft_position *pos, const zft_volinfo *volume, - __u8 *buffer); -static void zftc_lock (void); -static void zftc_reset (void); -static void zftc_cleanup(void); -static void zftc_stats (void); - -/* compressed segment. This conforms to QIC-80-MC, Revision K. - * - * Rev. K applies to tapes with `fixed length format' which is - * indicated by format code 2,3 and 5. See below for format code 4 and 6 - * - * 2 bytes: offset of compression segment structure - * 29k > offset >= 29k-18: data from previous segment ens in this - * segment and no compressed block starts - * in this segment - * offset == 0: data from previous segment occupies entire - * segment and continues in next segment - * n bytes: remainder from previous segment - * - * Rev. K: - * 4 bytes: 4 bytes: files set byte offset - * Post Rev. K and QIC-3020/3020: - * 8 bytes: 8 bytes: files set byte offset - * 2 bytes: byte count N (amount of data following) - * bit 15 is set if data is compressed, bit 15 is not - * set if data is uncompressed - * N bytes: data (as much as specified in the byte count) - * 2 bytes: byte count N_1 of next cluster - * N_1 bytes: data of next cluset - * 2 bytes: byte count N_2 of next cluster - * N_2 bytes: ... - * - * Note that the `N' byte count accounts only for the bytes that in the - * current segment if the cluster spans to the next segment. - */ - -typedef struct -{ - int cmpr_pos; /* actual position in compression buffer */ - int cmpr_sz; /* what is left in the compression buffer - * when copying the compressed data to the - * deblock buffer - */ - unsigned int first_block; /* location of header information in - * this segment - */ - unsigned int count; /* amount of data of current block - * contained in current segment - */ - unsigned int offset; /* offset in current segment */ - unsigned int spans:1; /* might continue in next segment */ - unsigned int uncmpr; /* 0x8000 if this block contains - * uncompressed data - */ - __s64 foffs; /* file set byte offset, same as in - * compression map segment - */ -} cmpr_info; - -static cmpr_info cseg; /* static data. Must be kept uptodate and shared by - * read, write and seek functions - */ - -#define DUMP_CMPR_INFO(level, msg, info) \ - TRACE(level, msg "\n" \ - KERN_INFO "cmpr_pos : %d\n" \ - KERN_INFO "cmpr_sz : %d\n" \ - KERN_INFO "first_block: %d\n" \ - KERN_INFO "count : %d\n" \ - KERN_INFO "offset : %d\n" \ - KERN_INFO "spans : %d\n" \ - KERN_INFO "uncmpr : 0x%04x\n" \ - KERN_INFO "foffs : " LL_X, \ - (info)->cmpr_pos, (info)->cmpr_sz, (info)->first_block, \ - (info)->count, (info)->offset, (info)->spans == 1, \ - (info)->uncmpr, LL((info)->foffs)) - -/* dispatch compression segment info, return error code - * - * afterwards, cseg->offset points to start of data of the NEXT - * compressed block, and cseg->count contains the amount of data - * left in the actual compressed block. cseg->spans is set to 1 if - * the block is continued in the following segment. Otherwise it is - * set to 0. - */ -static int get_cseg (cmpr_info *cinfo, const __u8 *buff, - const unsigned int seg_sz, - const zft_volinfo *volume) -{ - TRACE_FUN(ft_t_flow); - - cinfo->first_block = GET2(buff, 0); - if (cinfo->first_block == 0) { /* data spans to next segment */ - cinfo->count = seg_sz - sizeof(__u16); - cinfo->offset = seg_sz; - cinfo->spans = 1; - } else { /* cluster definetely ends in this segment */ - if (cinfo->first_block > seg_sz) { - /* data corrupted */ - TRACE_ABORT(-EIO, ft_t_err, "corrupted data:\n" - KERN_INFO "segment size: %d\n" - KERN_INFO "first block : %d", - seg_sz, cinfo->first_block); - } - cinfo->count = cinfo->first_block - sizeof(__u16); - cinfo->offset = cinfo->first_block; - cinfo->spans = 0; - } - /* now get the offset the first block should have in the - * uncompressed data stream. - * - * For this magic `18' refer to CRF-3 standard or QIC-80MC, - * Rev. K. - */ - if ((seg_sz - cinfo->offset) > 18) { - if (volume->qic113) { /* > revision K */ - TRACE(ft_t_data_flow, "New QIC-113 compliance"); - cinfo->foffs = GET8(buff, cinfo->offset); - cinfo->offset += sizeof(__s64); - } else { - TRACE(/* ft_t_data_flow */ ft_t_noise, "pre QIC-113 version"); - cinfo->foffs = (__s64)GET4(buff, cinfo->offset); - cinfo->offset += sizeof(__u32); - } - } - if (cinfo->foffs > volume->size) { - TRACE_ABORT(-EIO, ft_t_err, "Inconsistency:\n" - KERN_INFO "offset in current volume: %d\n" - KERN_INFO "size of current volume : %d", - (int)(cinfo->foffs>>10), (int)(volume->size>>10)); - } - if (cinfo->cmpr_pos + cinfo->count > volume->blk_sz) { - TRACE_ABORT(-EIO, ft_t_err, "Inconsistency:\n" - KERN_INFO "block size : %d\n" - KERN_INFO "data record: %d", - volume->blk_sz, cinfo->cmpr_pos + cinfo->count); - } - DUMP_CMPR_INFO(ft_t_noise /* ft_t_any */, "", cinfo); - TRACE_EXIT 0; -} - -/* This one is called, when a new cluster starts in same segment. - * - * Note: if this is the first cluster in the current segment, we must - * not check whether there are more than 18 bytes available because - * this have already been done in get_cseg() and there may be less - * than 18 bytes available due to header information. - * - */ -static void get_next_cluster(cmpr_info *cluster, const __u8 *buff, - const int seg_sz, const int finish) -{ - TRACE_FUN(ft_t_flow); - - if (seg_sz - cluster->offset > 18 || cluster->foffs != 0) { - cluster->count = GET2(buff, cluster->offset); - cluster->uncmpr = cluster->count & 0x8000; - cluster->count -= cluster->uncmpr; - cluster->offset += sizeof(__u16); - cluster->foffs = 0; - if ((cluster->offset + cluster->count) < seg_sz) { - cluster->spans = 0; - } else if (cluster->offset + cluster->count == seg_sz) { - cluster->spans = !finish; - } else { - /* either an error or a volume written by an - * old version. If this is a data error, then we'll - * catch it later. - */ - TRACE(ft_t_data_flow, "Either error or old volume"); - cluster->spans = 1; - cluster->count = seg_sz - cluster->offset; - } - } else { - cluster->count = 0; - cluster->spans = 0; - cluster->foffs = 0; - } - DUMP_CMPR_INFO(ft_t_noise /* ft_t_any */ , "", cluster); - TRACE_EXIT; -} - -static void zftc_lock(void) -{ -} - -/* this function is needed for zftape_reset_position in zftape-io.c - */ -static void zftc_reset(void) -{ - TRACE_FUN(ft_t_flow); - - memset((void *)&cseg, '\0', sizeof(cseg)); - zftc_stats(); - TRACE_EXIT; -} - -static int cmpr_mem_initialized = 0; -static unsigned int alloc_blksz = 0; - -static int zft_allocate_cmpr_mem(unsigned int blksz) -{ - TRACE_FUN(ft_t_flow); - - if (cmpr_mem_initialized && blksz == alloc_blksz) { - TRACE_EXIT 0; - } - TRACE_CATCH(zft_vmalloc_once(&zftc_wrk_mem, CMPR_WRK_MEM_SIZE), - zftc_cleanup()); - TRACE_CATCH(zft_vmalloc_always(&zftc_buf, blksz + CMPR_OVERRUN), - zftc_cleanup()); - alloc_blksz = blksz; - TRACE_CATCH(zft_vmalloc_always(&zftc_scratch_buf, blksz+CMPR_OVERRUN), - zftc_cleanup()); - cmpr_mem_initialized = 1; - TRACE_EXIT 0; -} - -static void zftc_cleanup(void) -{ - TRACE_FUN(ft_t_flow); - - zft_vfree(&zftc_wrk_mem, CMPR_WRK_MEM_SIZE); - zft_vfree(&zftc_buf, alloc_blksz + CMPR_OVERRUN); - zft_vfree(&zftc_scratch_buf, alloc_blksz + CMPR_OVERRUN); - cmpr_mem_initialized = alloc_blksz = 0; - TRACE_EXIT; -} - -/***************************************************************************** - * * - * The following two functions "ftape_compress()" and * - * "ftape_uncompress()" are the interface to the actual compression * - * algorithm (i.e. they are calling the "compress()" function from * - * the lzrw3 package for now). These routines could quite easily be * - * changed to adopt another compression algorithm instead of lzrw3, * - * which currently is used. * - * * - *****************************************************************************/ - -/* called by zft_compress_write() to perform the compression. Must - * return the size of the compressed data. - * - * NOTE: The size of the compressed data should not exceed the size of - * the uncompressed data. Most compression algorithms have means - * to store data unchanged if the "compressed" data amount would - * exceed the original one. Mostly this is done by storing some - * flag-bytes in front of the compressed data to indicate if it - * is compressed or not. Thus the worst compression result - * length is the original length plus those flag-bytes. - * - * We don't want that, as the QIC-80 standard provides a means - * of marking uncompressed blocks by simply setting bit 15 of - * the compressed block's length. Thus a compessed block can - * have at most a length of 2^15-1 bytes. The QIC-80 standard - * restricts the block-length even further, allowing only 29k - - * 6 bytes. - * - * Currently, the maximum blocksize used by zftape is 28k. - * - * In short: don't exceed the length of the input-package, set - * bit 15 of the compressed size to 1 if you have copied data - * instead of compressing it. - */ -static int zft_compress(__u8 *in_buffer, unsigned int in_sz, __u8 *out_buffer) -{ - __s32 compressed_sz; - TRACE_FUN(ft_t_flow); - - - lzrw3_compress(COMPRESS_ACTION_COMPRESS, zftc_wrk_mem, - in_buffer, in_sz, out_buffer, &compressed_sz); - if (TRACE_LEVEL >= ft_t_info) { - /* the compiler will optimize this away when - * compiled with NO_TRACE_AT_ALL option - */ - TRACE(ft_t_data_flow, "\n" - KERN_INFO "before compression: %d bytes\n" - KERN_INFO "after compresison : %d bytes", - in_sz, - (int)(compressed_sz < 0 - ? -compressed_sz : compressed_sz)); - /* for statistical purposes - */ - zftc_wr_compressed += (compressed_sz < 0 - ? -compressed_sz : compressed_sz); - zftc_wr_uncompressed += in_sz; - } - TRACE_EXIT (int)compressed_sz; -} - -/* called by zft_compress_read() to decompress the data. Must - * return the size of the decompressed data for sanity checks - * (compared with zft_blk_sz) - * - * NOTE: Read the note for zft_compress() above! If bit 15 of the - * parameter in_sz is set, then the data in in_buffer isn't - * compressed, which must be handled by the un-compression - * algorithm. (I changed lzrw3 to handle this.) - * - * The parameter max_out_sz is needed to prevent buffer overruns when - * uncompressing corrupt data. - */ -static unsigned int zft_uncompress(__u8 *in_buffer, - int in_sz, - __u8 *out_buffer, - unsigned int max_out_sz) -{ - TRACE_FUN(ft_t_flow); - - lzrw3_compress(COMPRESS_ACTION_DECOMPRESS, zftc_wrk_mem, - in_buffer, (__s32)in_sz, - out_buffer, (__u32 *)&max_out_sz); - - if (TRACE_LEVEL >= ft_t_info) { - TRACE(ft_t_data_flow, "\n" - KERN_INFO "before decompression: %d bytes\n" - KERN_INFO "after decompression : %d bytes", - in_sz < 0 ? -in_sz : in_sz,(int)max_out_sz); - /* for statistical purposes - */ - zftc_rd_compressed += in_sz < 0 ? -in_sz : in_sz; - zftc_rd_uncompressed += max_out_sz; - } - TRACE_EXIT (unsigned int)max_out_sz; -} - -/* print some statistics about the efficiency of the compression to - * the kernel log - */ -static void zftc_stats(void) -{ - TRACE_FUN(ft_t_flow); - - if (TRACE_LEVEL < ft_t_info) { - TRACE_EXIT; - } - if (zftc_wr_uncompressed != 0) { - if (zftc_wr_compressed > (1<<14)) { - TRACE(ft_t_info, "compression statistics (writing):\n" - KERN_INFO " compr./uncmpr. : %3d %%", - (((zftc_wr_compressed>>10) * 100) - / (zftc_wr_uncompressed>>10))); - } else { - TRACE(ft_t_info, "compression statistics (writing):\n" - KERN_INFO " compr./uncmpr. : %3d %%", - ((zftc_wr_compressed * 100) - / zftc_wr_uncompressed)); - } - } - if (zftc_rd_uncompressed != 0) { - if (zftc_rd_compressed > (1<<14)) { - TRACE(ft_t_info, "compression statistics (reading):\n" - KERN_INFO " compr./uncmpr. : %3d %%", - (((zftc_rd_compressed>>10) * 100) - / (zftc_rd_uncompressed>>10))); - } else { - TRACE(ft_t_info, "compression statistics (reading):\n" - KERN_INFO " compr./uncmpr. : %3d %%", - ((zftc_rd_compressed * 100) - / zftc_rd_uncompressed)); - } - } - /* only print it once: */ - zftc_wr_uncompressed = - zftc_wr_compressed = - zftc_rd_uncompressed = - zftc_rd_compressed = 0; - TRACE_EXIT; -} - -/* start new compressed block - */ -static int start_new_cseg(cmpr_info *cluster, - char *dst_buf, - const zft_position *pos, - const unsigned int blk_sz, - const char *src_buf, - const int this_segs_sz, - const int qic113) -{ - int size_left; - int cp_cnt; - int buf_pos; - TRACE_FUN(ft_t_flow); - - size_left = this_segs_sz - sizeof(__u16) - cluster->cmpr_sz; - TRACE(ft_t_data_flow,"\n" - KERN_INFO "segment size : %d\n" - KERN_INFO "compressed_sz: %d\n" - KERN_INFO "size_left : %d", - this_segs_sz, cluster->cmpr_sz, size_left); - if (size_left > 18) { /* start a new cluseter */ - cp_cnt = cluster->cmpr_sz; - cluster->cmpr_sz = 0; - buf_pos = cp_cnt + sizeof(__u16); - PUT2(dst_buf, 0, buf_pos); - - if (qic113) { - __s64 foffs = pos->volume_pos; - if (cp_cnt) foffs += (__s64)blk_sz; - - TRACE(ft_t_data_flow, "new style QIC-113 header"); - PUT8(dst_buf, buf_pos, foffs); - buf_pos += sizeof(__s64); - } else { - __u32 foffs = (__u32)pos->volume_pos; - if (cp_cnt) foffs += (__u32)blk_sz; - - TRACE(ft_t_data_flow, "old style QIC-80MC header"); - PUT4(dst_buf, buf_pos, foffs); - buf_pos += sizeof(__u32); - } - } else if (size_left >= 0) { - cp_cnt = cluster->cmpr_sz; - cluster->cmpr_sz = 0; - buf_pos = cp_cnt + sizeof(__u16); - PUT2(dst_buf, 0, buf_pos); - /* zero unused part of segment. */ - memset(dst_buf + buf_pos, '\0', size_left); - buf_pos = this_segs_sz; - } else { /* need entire segment and more space */ - PUT2(dst_buf, 0, 0); - cp_cnt = this_segs_sz - sizeof(__u16); - cluster->cmpr_sz -= cp_cnt; - buf_pos = this_segs_sz; - } - memcpy(dst_buf + sizeof(__u16), src_buf + cluster->cmpr_pos, cp_cnt); - cluster->cmpr_pos += cp_cnt; - TRACE_EXIT buf_pos; -} - -/* return-value: the number of bytes removed from the user-buffer - * `src_buf' or error code - * - * int *write_cnt : how much actually has been moved to the - * dst_buf. Need not be initialized when - * function returns with an error code - * (negativ return value) - * __u8 *dst_buf : kernel space buffer where the has to be - * copied to. The contents of this buffers - * goes to a specific segment. - * const int seg_sz : the size of the segment dst_buf will be - * copied to. - * const zft_position *pos : struct containing the coordinates in - * the current volume (byte position, - * segment id of current segment etc) - * const zft_volinfo *volume: information about the current volume, - * size etc. - * const __u8 *src_buf : user space buffer that contains the - * data the user wants to be written to - * tape. - * const int req_len : the amount of data the user wants to be - * written to tape. - */ -static int zftc_write(int *write_cnt, - __u8 *dst_buf, const int seg_sz, - const __u8 __user *src_buf, const int req_len, - const zft_position *pos, const zft_volinfo *volume) -{ - int req_len_left = req_len; - int result; - int len_left; - int buf_pos_write = pos->seg_byte_pos; - TRACE_FUN(ft_t_flow); - - /* Note: we do not unlock the module because - * there are some values cached in that `cseg' variable. We - * don't don't want to use this information when being - * unloaded by kerneld even when the tape is full or when we - * cannot allocate enough memory. - */ - if (pos->tape_pos > (volume->size-volume->blk_sz-ZFT_CMPR_OVERHEAD)) { - TRACE_EXIT -ENOSPC; - } - if (zft_allocate_cmpr_mem(volume->blk_sz) < 0) { - /* should we unlock the module? But it shouldn't - * be locked anyway ... - */ - TRACE_EXIT -ENOMEM; - } - if (buf_pos_write == 0) { /* fill a new segment */ - *write_cnt = buf_pos_write = start_new_cseg(&cseg, - dst_buf, - pos, - volume->blk_sz, - zftc_buf, - seg_sz, - volume->qic113); - if (cseg.cmpr_sz == 0 && cseg.cmpr_pos != 0) { - req_len_left -= result = volume->blk_sz; - cseg.cmpr_pos = 0; - } else { - result = 0; - } - } else { - *write_cnt = result = 0; - } - - len_left = seg_sz - buf_pos_write; - while ((req_len_left > 0) && (len_left > 18)) { - /* now we have some size left for a new compressed - * block. We know, that the compression buffer is - * empty (else there wouldn't be any space left). - */ - if (copy_from_user(zftc_scratch_buf, src_buf + result, - volume->blk_sz) != 0) { - TRACE_EXIT -EFAULT; - } - req_len_left -= volume->blk_sz; - cseg.cmpr_sz = zft_compress(zftc_scratch_buf, volume->blk_sz, - zftc_buf); - if (cseg.cmpr_sz < 0) { - cseg.uncmpr = 0x8000; - cseg.cmpr_sz = -cseg.cmpr_sz; - } else { - cseg.uncmpr = 0; - } - /* increment "result" iff we copied the entire - * compressed block to the zft_deblock_buf - */ - len_left -= sizeof(__u16); - if (len_left >= cseg.cmpr_sz) { - len_left -= cseg.count = cseg.cmpr_sz; - cseg.cmpr_pos = cseg.cmpr_sz = 0; - result += volume->blk_sz; - } else { - cseg.cmpr_sz -= - cseg.cmpr_pos = - cseg.count = len_left; - len_left = 0; - } - PUT2(dst_buf, buf_pos_write, cseg.uncmpr | cseg.count); - buf_pos_write += sizeof(__u16); - memcpy(dst_buf + buf_pos_write, zftc_buf, cseg.count); - buf_pos_write += cseg.count; - *write_cnt += cseg.count + sizeof(__u16); - FT_SIGNAL_EXIT(_DONT_BLOCK); - } - /* erase the remainder of the segment if less than 18 bytes - * left (18 bytes is due to the QIC-80 standard) - */ - if (len_left <= 18) { - memset(dst_buf + buf_pos_write, '\0', len_left); - (*write_cnt) += len_left; - } - TRACE(ft_t_data_flow, "returning %d", result); - TRACE_EXIT result; -} - -/* out: - * - * int *read_cnt: the number of bytes we removed from the zft_deblock_buf - * (result) - * int *to_do : the remaining size of the read-request. - * - * in: - * - * char *buff : buff is the address of the upper part of the user - * buffer, that hasn't been filled with data yet. - - * int buf_pos_read : copy of from _ftape_read() - * int buf_len_read : copy of buf_len_rd from _ftape_read() - * char *zft_deblock_buf: zft_deblock_buf - * unsigned short blk_sz: the block size valid for this volume, may differ - * from zft_blk_sz. - * int finish: if != 0 means that this is the last segment belonging - * to this volume - * returns the amount of data actually copied to the user-buffer - * - * to_do MUST NOT SHRINK except to indicate an EOF. In this case *to_do has to - * be set to 0 - */ -static int zftc_read (int *read_cnt, - __u8 __user *dst_buf, const int to_do, - const __u8 *src_buf, const int seg_sz, - const zft_position *pos, const zft_volinfo *volume) -{ - int uncompressed_sz; - int result = 0; - int remaining = to_do; - TRACE_FUN(ft_t_flow); - - TRACE_CATCH(zft_allocate_cmpr_mem(volume->blk_sz),); - if (pos->seg_byte_pos == 0) { - /* new segment just read - */ - TRACE_CATCH(get_cseg(&cseg, src_buf, seg_sz, volume), - *read_cnt = 0); - memcpy(zftc_buf + cseg.cmpr_pos, src_buf + sizeof(__u16), - cseg.count); - cseg.cmpr_pos += cseg.count; - *read_cnt = cseg.offset; - DUMP_CMPR_INFO(ft_t_noise /* ft_t_any */, "", &cseg); - } else { - *read_cnt = 0; - } - /* loop and uncompress until user buffer full or - * deblock-buffer empty - */ - TRACE(ft_t_data_flow, "compressed_sz: %d, compos : %d, *read_cnt: %d", - cseg.cmpr_sz, cseg.cmpr_pos, *read_cnt); - while ((cseg.spans == 0) && (remaining > 0)) { - if (cseg.cmpr_pos != 0) { /* cmpr buf is not empty */ - uncompressed_sz = - zft_uncompress(zftc_buf, - cseg.uncmpr == 0x8000 ? - -cseg.cmpr_pos : cseg.cmpr_pos, - zftc_scratch_buf, - volume->blk_sz); - if (uncompressed_sz != volume->blk_sz) { - *read_cnt = 0; - TRACE_ABORT(-EIO, ft_t_warn, - "Uncompressed blk (%d) != blk size (%d)", - uncompressed_sz, volume->blk_sz); - } - if (copy_to_user(dst_buf + result, - zftc_scratch_buf, - uncompressed_sz) != 0 ) { - TRACE_EXIT -EFAULT; - } - remaining -= uncompressed_sz; - result += uncompressed_sz; - cseg.cmpr_pos = 0; - } - if (remaining > 0) { - get_next_cluster(&cseg, src_buf, seg_sz, - volume->end_seg == pos->seg_pos); - if (cseg.count != 0) { - memcpy(zftc_buf, src_buf + cseg.offset, - cseg.count); - cseg.cmpr_pos = cseg.count; - cseg.offset += cseg.count; - *read_cnt += cseg.count + sizeof(__u16); - } else { - remaining = 0; - } - } - TRACE(ft_t_data_flow, "\n" - KERN_INFO "compressed_sz: %d\n" - KERN_INFO "compos : %d\n" - KERN_INFO "*read_cnt : %d", - cseg.cmpr_sz, cseg.cmpr_pos, *read_cnt); - } - if (seg_sz - cseg.offset <= 18) { - *read_cnt += seg_sz - cseg.offset; - TRACE(ft_t_data_flow, "expanding read cnt to: %d", *read_cnt); - } - TRACE(ft_t_data_flow, "\n" - KERN_INFO "segment size : %d\n" - KERN_INFO "read count : %d\n" - KERN_INFO "buf_pos_read : %d\n" - KERN_INFO "remaining : %d", - seg_sz, *read_cnt, pos->seg_byte_pos, - seg_sz - *read_cnt - pos->seg_byte_pos); - TRACE(ft_t_data_flow, "returning: %d", result); - TRACE_EXIT result; -} - -/* seeks to the new data-position. Reads sometimes a segment. - * - * start_seg and end_seg give the boundaries of the current volume - * blk_sz is the blk_sz of the current volume as stored in the - * volume label - * - * We don't allow blocksizes less than 1024 bytes, therefore we don't need - * a 64 bit argument for new_block_pos. - */ - -static int seek_in_segment(const unsigned int to_do, cmpr_info *c_info, - const char *src_buf, const int seg_sz, - const int seg_pos, const zft_volinfo *volume); -static int slow_seek_forward_until_error(const unsigned int distance, - cmpr_info *c_info, zft_position *pos, - const zft_volinfo *volume, __u8 *buf); -static int search_valid_segment(unsigned int segment, - const unsigned int end_seg, - const unsigned int max_foffs, - zft_position *pos, cmpr_info *c_info, - const zft_volinfo *volume, __u8 *buf); -static int slow_seek_forward(unsigned int dest, cmpr_info *c_info, - zft_position *pos, const zft_volinfo *volume, - __u8 *buf); -static int compute_seg_pos(unsigned int dest, zft_position *pos, - const zft_volinfo *volume); - -#define ZFT_SLOW_SEEK_THRESHOLD 10 /* segments */ -#define ZFT_FAST_SEEK_MAX_TRIALS 10 /* times */ -#define ZFT_FAST_SEEK_BACKUP 10 /* segments */ - -static int zftc_seek(unsigned int new_block_pos, - zft_position *pos, const zft_volinfo *volume, __u8 *buf) -{ - unsigned int dest; - int limit; - int distance; - int result = 0; - int seg_dist; - int new_seg; - int old_seg = 0; - int fast_seek_trials = 0; - TRACE_FUN(ft_t_flow); - - if (new_block_pos == 0) { - pos->seg_pos = volume->start_seg; - pos->seg_byte_pos = 0; - pos->volume_pos = 0; - zftc_reset(); - TRACE_EXIT 0; - } - dest = new_block_pos * (volume->blk_sz >> 10); - distance = dest - (pos->volume_pos >> 10); - while (distance != 0) { - seg_dist = compute_seg_pos(dest, pos, volume); - TRACE(ft_t_noise, "\n" - KERN_INFO "seg_dist: %d\n" - KERN_INFO "distance: %d\n" - KERN_INFO "dest : %d\n" - KERN_INFO "vpos : %d\n" - KERN_INFO "seg_pos : %d\n" - KERN_INFO "trials : %d", - seg_dist, distance, dest, - (unsigned int)(pos->volume_pos>>10), pos->seg_pos, - fast_seek_trials); - if (distance > 0) { - if (seg_dist < 0) { - TRACE(ft_t_bug, "BUG: distance %d > 0, " - "segment difference %d < 0", - distance, seg_dist); - result = -EIO; - break; - } - new_seg = pos->seg_pos + seg_dist; - if (new_seg > volume->end_seg) { - new_seg = volume->end_seg; - } - if (old_seg == new_seg || /* loop */ - seg_dist <= ZFT_SLOW_SEEK_THRESHOLD || - fast_seek_trials >= ZFT_FAST_SEEK_MAX_TRIALS) { - TRACE(ft_t_noise, "starting slow seek:\n" - KERN_INFO "fast seek failed too often: %s\n" - KERN_INFO "near target position : %s\n" - KERN_INFO "looping between two segs : %s", - (fast_seek_trials >= - ZFT_FAST_SEEK_MAX_TRIALS) - ? "yes" : "no", - (seg_dist <= ZFT_SLOW_SEEK_THRESHOLD) - ? "yes" : "no", - (old_seg == new_seg) - ? "yes" : "no"); - result = slow_seek_forward(dest, &cseg, - pos, volume, buf); - break; - } - old_seg = new_seg; - limit = volume->end_seg; - fast_seek_trials ++; - for (;;) { - result = search_valid_segment(new_seg, limit, - volume->size, - pos, &cseg, - volume, buf); - if (result == 0 || result == -EINTR) { - break; - } - if (new_seg == volume->start_seg) { - result = -EIO; /* set errror - * condition - */ - break; - } - limit = new_seg; - new_seg -= ZFT_FAST_SEEK_BACKUP; - if (new_seg < volume->start_seg) { - new_seg = volume->start_seg; - } - } - if (result < 0) { - TRACE(ft_t_warn, - "Couldn't find a readable segment"); - break; - } - } else /* if (distance < 0) */ { - if (seg_dist > 0) { - TRACE(ft_t_bug, "BUG: distance %d < 0, " - "segment difference %d >0", - distance, seg_dist); - result = -EIO; - break; - } - new_seg = pos->seg_pos + seg_dist; - if (fast_seek_trials > 0 && seg_dist == 0) { - /* this avoids sticking to the same - * segment all the time. On the other hand: - * if we got here for the first time, and the - * deblock_buffer still contains a valid - * segment, then there is no need to skip to - * the previous segment if the desired position - * is inside this segment. - */ - new_seg --; - } - if (new_seg < volume->start_seg) { - new_seg = volume->start_seg; - } - limit = pos->seg_pos; - fast_seek_trials ++; - for (;;) { - result = search_valid_segment(new_seg, limit, - pos->volume_pos, - pos, &cseg, - volume, buf); - if (result == 0 || result == -EINTR) { - break; - } - if (new_seg == volume->start_seg) { - result = -EIO; /* set errror - * condition - */ - break; - } - limit = new_seg; - new_seg -= ZFT_FAST_SEEK_BACKUP; - if (new_seg < volume->start_seg) { - new_seg = volume->start_seg; - } - } - if (result < 0) { - TRACE(ft_t_warn, - "Couldn't find a readable segment"); - break; - } - } - distance = dest - (pos->volume_pos >> 10); - } - TRACE_EXIT result; -} - - -/* advance inside the given segment at most to_do bytes. - * of kilobytes moved - */ - -static int seek_in_segment(const unsigned int to_do, - cmpr_info *c_info, - const char *src_buf, - const int seg_sz, - const int seg_pos, - const zft_volinfo *volume) -{ - int result = 0; - int blk_sz = volume->blk_sz >> 10; - int remaining = to_do; - TRACE_FUN(ft_t_flow); - - if (c_info->offset == 0) { - /* new segment just read - */ - TRACE_CATCH(get_cseg(c_info, src_buf, seg_sz, volume),); - c_info->cmpr_pos += c_info->count; - DUMP_CMPR_INFO(ft_t_noise, "", c_info); - } - /* loop and uncompress until user buffer full or - * deblock-buffer empty - */ - TRACE(ft_t_noise, "compressed_sz: %d, compos : %d", - c_info->cmpr_sz, c_info->cmpr_pos); - while (c_info->spans == 0 && remaining > 0) { - if (c_info->cmpr_pos != 0) { /* cmpr buf is not empty */ - result += blk_sz; - remaining -= blk_sz; - c_info->cmpr_pos = 0; - } - if (remaining > 0) { - get_next_cluster(c_info, src_buf, seg_sz, - volume->end_seg == seg_pos); - if (c_info->count != 0) { - c_info->cmpr_pos = c_info->count; - c_info->offset += c_info->count; - } else { - break; - } - } - /* Allow escape from this loop on signal! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - DUMP_CMPR_INFO(ft_t_noise, "", c_info); - TRACE(ft_t_noise, "to_do: %d", remaining); - } - if (seg_sz - c_info->offset <= 18) { - c_info->offset = seg_sz; - } - TRACE(ft_t_noise, "\n" - KERN_INFO "segment size : %d\n" - KERN_INFO "buf_pos_read : %d\n" - KERN_INFO "remaining : %d", - seg_sz, c_info->offset, - seg_sz - c_info->offset); - TRACE_EXIT result; -} - -static int slow_seek_forward_until_error(const unsigned int distance, - cmpr_info *c_info, - zft_position *pos, - const zft_volinfo *volume, - __u8 *buf) -{ - unsigned int remaining = distance; - int seg_sz; - int seg_pos; - int result; - TRACE_FUN(ft_t_flow); - - seg_pos = pos->seg_pos; - do { - TRACE_CATCH(seg_sz = zft_fetch_segment(seg_pos, buf, - FT_RD_AHEAD),); - /* now we have the contents of the actual segment in - * the deblock buffer - */ - TRACE_CATCH(result = seek_in_segment(remaining, c_info, buf, - seg_sz, seg_pos,volume),); - remaining -= result; - pos->volume_pos += result<<10; - pos->seg_pos = seg_pos; - pos->seg_byte_pos = c_info->offset; - seg_pos ++; - if (seg_pos <= volume->end_seg && c_info->offset == seg_sz) { - pos->seg_pos ++; - pos->seg_byte_pos = 0; - c_info->offset = 0; - } - /* Allow escape from this loop on signal! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - TRACE(ft_t_noise, "\n" - KERN_INFO "remaining: %d\n" - KERN_INFO "seg_pos: %d\n" - KERN_INFO "end_seg: %d\n" - KERN_INFO "result: %d", - remaining, seg_pos, volume->end_seg, result); - } while (remaining > 0 && seg_pos <= volume->end_seg); - TRACE_EXIT 0; -} - -/* return segment id of next segment containing valid data, -EIO otherwise - */ -static int search_valid_segment(unsigned int segment, - const unsigned int end_seg, - const unsigned int max_foffs, - zft_position *pos, - cmpr_info *c_info, - const zft_volinfo *volume, - __u8 *buf) -{ - cmpr_info tmp_info; - int seg_sz; - TRACE_FUN(ft_t_flow); - - memset(&tmp_info, 0, sizeof(cmpr_info)); - while (segment <= end_seg) { - FT_SIGNAL_EXIT(_DONT_BLOCK); - TRACE(ft_t_noise, - "Searching readable segment between %d and %d", - segment, end_seg); - seg_sz = zft_fetch_segment(segment, buf, FT_RD_AHEAD); - if ((seg_sz > 0) && - (get_cseg (&tmp_info, buf, seg_sz, volume) >= 0) && - (tmp_info.foffs != 0 || segment == volume->start_seg)) { - if ((tmp_info.foffs>>10) > max_foffs) { - TRACE_ABORT(-EIO, ft_t_noise, "\n" - KERN_INFO "cseg.foff: %d\n" - KERN_INFO "dest : %d", - (int)(tmp_info.foffs >> 10), - max_foffs); - } - DUMP_CMPR_INFO(ft_t_noise, "", &tmp_info); - *c_info = tmp_info; - pos->seg_pos = segment; - pos->volume_pos = c_info->foffs; - pos->seg_byte_pos = c_info->offset; - TRACE(ft_t_noise, "found segment at %d", segment); - TRACE_EXIT 0; - } - segment++; - } - TRACE_EXIT -EIO; -} - -static int slow_seek_forward(unsigned int dest, - cmpr_info *c_info, - zft_position *pos, - const zft_volinfo *volume, - __u8 *buf) -{ - unsigned int distance; - int result = 0; - TRACE_FUN(ft_t_flow); - - distance = dest - (pos->volume_pos >> 10); - while ((distance > 0) && - (result = slow_seek_forward_until_error(distance, - c_info, - pos, - volume, - buf)) < 0) { - if (result == -EINTR) { - break; - } - TRACE(ft_t_noise, "seg_pos: %d", pos->seg_pos); - /* the failing segment is either pos->seg_pos or - * pos->seg_pos + 1. There is no need to further try - * that segment, because ftape_read_segment() already - * has tried very much to read it. So we start with - * following segment, which is pos->seg_pos + 1 - */ - if(search_valid_segment(pos->seg_pos+1, volume->end_seg, dest, - pos, c_info, - volume, buf) < 0) { - TRACE(ft_t_noise, "search_valid_segment() failed"); - result = -EIO; - break; - } - distance = dest - (pos->volume_pos >> 10); - result = 0; - TRACE(ft_t_noise, "segment: %d", pos->seg_pos); - /* found valid segment, retry the seek */ - } - TRACE_EXIT result; -} - -static int compute_seg_pos(const unsigned int dest, - zft_position *pos, - const zft_volinfo *volume) -{ - int segment; - int distance = dest - (pos->volume_pos >> 10); - unsigned int raw_size; - unsigned int virt_size; - unsigned int factor; - TRACE_FUN(ft_t_flow); - - if (distance >= 0) { - raw_size = volume->end_seg - pos->seg_pos + 1; - virt_size = ((unsigned int)(volume->size>>10) - - (unsigned int)(pos->volume_pos>>10) - + FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS - 1); - virt_size /= FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS; - if (virt_size == 0 || raw_size == 0) { - TRACE_EXIT 0; - } - if (raw_size >= (1<<25)) { - factor = raw_size/(virt_size>>7); - } else { - factor = (raw_size<<7)/virt_size; - } - segment = distance/(FT_SECTORS_PER_SEGMENT-FT_ECC_SECTORS); - segment = (segment * factor)>>7; - } else { - raw_size = pos->seg_pos - volume->start_seg + 1; - virt_size = ((unsigned int)(pos->volume_pos>>10) - + FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS - 1); - virt_size /= FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS; - if (virt_size == 0 || raw_size == 0) { - TRACE_EXIT 0; - } - if (raw_size >= (1<<25)) { - factor = raw_size/(virt_size>>7); - } else { - factor = (raw_size<<7)/virt_size; - } - segment = distance/(FT_SECTORS_PER_SEGMENT-FT_ECC_SECTORS); - } - TRACE(ft_t_noise, "factor: %d/%d", factor, 1<<7); - TRACE_EXIT segment; -} - -static struct zft_cmpr_ops cmpr_ops = { - zftc_write, - zftc_read, - zftc_seek, - zftc_lock, - zftc_reset, - zftc_cleanup -}; - -int zft_compressor_init(void) -{ - TRACE_FUN(ft_t_flow); - -#ifdef MODULE - printk(KERN_INFO "zftape compressor v1.00a 970514 for " FTAPE_VERSION "\n"); - if (TRACE_LEVEL >= ft_t_info) { - printk( -KERN_INFO "(c) 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n" -KERN_INFO "Compressor for zftape (lzrw3 algorithm)\n"); - } -#else /* !MODULE */ - /* print a short no-nonsense boot message */ - printk(KERN_INFO "zftape compressor v1.00a 970514\n"); - printk(KERN_INFO "For use with " FTAPE_VERSION "\n"); -#endif /* MODULE */ - TRACE(ft_t_info, "zft_compressor_init @ 0x%p", zft_compressor_init); - TRACE(ft_t_info, "installing compressor for zftape ..."); - TRACE_CATCH(zft_cmpr_register(&cmpr_ops),); - TRACE_EXIT 0; -} - -#ifdef MODULE - -MODULE_AUTHOR( - "(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de"); -MODULE_DESCRIPTION( -"Compression routines for zftape. Uses the lzrw3 algorithm by Ross Williams"); -MODULE_LICENSE("GPL"); - -/* Called by modules package when installing the driver - */ -int init_module(void) -{ - return zft_compressor_init(); -} - -#endif /* MODULE */ diff --git a/drivers/char/ftape/compressor/zftape-compress.h b/drivers/char/ftape/compressor/zftape-compress.h deleted file mode 100644 index f200741e33b..00000000000 --- a/drivers/char/ftape/compressor/zftape-compress.h +++ /dev/null @@ -1,83 +0,0 @@ -#ifndef _ZFTAPE_COMPRESS_H -#define _ZFTAPE_COMPRESS_H -/* - * Copyright (c) 1994-1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/compressor/zftape-compress.h,v $ - * $Revision: 1.1 $ - * $Date: 1997/10/05 19:12:32 $ - * - * This file contains macros and definitions for zftape's - * builtin compression code. - * - */ - -#include "../zftape/zftape-buffers.h" -#include "../zftape/zftape-vtbl.h" -#include "../compressor/lzrw3.h" - -/* CMPR_WRK_MEM_SIZE gives the size of the compression wrk_mem */ -/* I got these out of lzrw3.c */ -#define U(X) ((__u32) X) -#define SIZE_P_BYTE (U(sizeof(__u8 *))) -#define ALIGNMENT_FUDGE (U(16)) - -#define CMPR_WRK_MEM_SIZE (U(4096)*(SIZE_P_BYTE) + ALIGNMENT_FUDGE) - -/* the maximum number of bytes the size of the "compressed" data can - * exceed the uncompressed data. As it is quite useless to compress - * data twice it is sometimes the case that it is more efficient to - * copy a block of data but to feed it to the "compression" - * algorithm. In this case there are some flag bytes or the like - * proceding the "compressed" data. THAT MUST NOT BE THE CASE for the - * algorithm we use for this driver. Instead, the high bit 15 of - * compressed_size: - * - * compressed_size = ftape_compress() - * - * must be set in such a case. - * - * Nevertheless, it might also be as for lzrw3 that there is an - * "intermediate" overrun that exceeds the amount of the compressed - * data that is actually produced. During the algorithm we need in the - * worst case MAX_CMP_GROUP bytes more than the input-size. - */ -#define MAX_CMP_GROUP (2+16*2) /* from lzrw3.c */ - -#define CMPR_OVERRUN MAX_CMP_GROUP /* during compression */ - -/****************************************************/ - -#define CMPR_BUFFER_SIZE (MAX_BLOCK_SIZE + CMPR_OVERRUN) - -/* the compression map stores the byte offset compressed blocks within - * the current volume for catridges with format code 2,3 and 5 - * (and old versions of zftape) and the offset measured in kilobytes for - * format code 4 and 6. This gives us a possible max. size of a - * compressed volume of 1024*4GIG which should be enough. - */ -typedef __u32 CmprMap; - -/* globals - */ - -/* exported functions - */ - -#endif /* _ZFTAPE_COMPRESS_H */ diff --git a/drivers/char/ftape/lowlevel/Makefile b/drivers/char/ftape/lowlevel/Makefile deleted file mode 100644 index febab07ba42..00000000000 --- a/drivers/char/ftape/lowlevel/Makefile +++ /dev/null @@ -1,43 +0,0 @@ -# -# Copyright (C) 1996, 1997 Clau-Justus Heine. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; see the file COPYING. If not, write to -# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. -# -# $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/Makefile,v $ -# $Revision: 1.4 $ -# $Date: 1997/10/07 09:26:02 $ -# -# Makefile for the lowlevel part QIC-40/80/3010/3020 floppy-tape -# driver for Linux. -# - -obj-$(CONFIG_FTAPE) += ftape.o - -ftape-objs := ftape-init.o fdc-io.o fdc-isr.o \ - ftape-bsm.o ftape-ctl.o ftape-read.o ftape-rw.o \ - ftape-write.o ftape-io.o ftape-calibr.o ftape-ecc.o fc-10.o \ - ftape-buffer.o ftape-format.o ftape_syms.o - -ifeq ($(CONFIG_FTAPE),y) -ftape-objs += ftape-setup.o -endif - -ifndef CONFIG_FT_NO_TRACE_AT_ALL -ftape-objs += ftape-tracing.o -endif - -ifeq ($(CONFIG_FT_PROC_FS),y) -ftape-objs += ftape-proc.o -endif diff --git a/drivers/char/ftape/lowlevel/fc-10.c b/drivers/char/ftape/lowlevel/fc-10.c deleted file mode 100644 index 9bc1cddade7..00000000000 --- a/drivers/char/ftape/lowlevel/fc-10.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * - - Copyright (C) 1993,1994 Jon Tombs. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - The entire guts of this program was written by dosemu, modified to - record reads and writes to the ports in the 0x180-0x188 address space, - while running the CMS program TAPE.EXE V2.0.5 supplied with the drive. - - Modified to use an array of addresses and generally cleaned up (made - much shorter) 4 June 94, dosemu isn't that good at writing short code it - would seem :-). Made independent of 0x180, but I doubt it will work - at any other address. - - Modified for distribution with ftape source. 21 June 94, SJL. - - Modifications on 20 October 95, by Daniel Cohen (catman@wpi.edu): - Modified to support different DMA, IRQ, and IO Ports. Borland's - Turbo Debugger in virtual 8086 mode (TD386.EXE with hardware breakpoints - provided by the TDH386.SYS Device Driver) was used on the CMS program - TAPE V4.0.5. I set breakpoints on I/O to ports 0x180-0x187. Note that - CMS's program will not successfully configure the tape drive if you set - breakpoints on IO Reads, but you can set them on IO Writes without problems. - Known problems: - - You can not use DMA Channels 5 or 7. - - Modification on 29 January 96, by Daniel Cohen (catman@wpi.edu): - Modified to only accept IRQs 3 - 7, or 9. Since we can only send a 3 bit - number representing the IRQ to the card, special handling is required when - IRQ 9 is selected. IRQ 2 and 9 are the same, and we should request IRQ 9 - from the kernel while telling the card to use IRQ 2. Thanks to Greg - Crider (gcrider@iclnet.org) for finding and locating this bug, as well as - testing the patch. - - Modification on 11 December 96, by Claus Heine (claus@momo.math.rwth-aachen.de): - Modified a little to use variahle ft_fdc_base, ft_fdc_irq, ft_fdc_dma - instead of preprocessor symbols. Thus we can compile this into the module - or kernel and let the user specify the options as command line arguments. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fc-10.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:04 $ - * - * This file contains code for the CMS FC-10/FC-20 card. - */ - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/fc-10.h" - -static __u16 inbs_magic[] = { - 0x3, 0x3, 0x0, 0x4, 0x7, 0x2, 0x5, 0x3, 0x1, 0x4, - 0x3, 0x5, 0x2, 0x0, 0x3, 0x7, 0x4, 0x2, - 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 -}; - -static __u16 fc10_ports[] = { - 0x180, 0x210, 0x2A0, 0x300, 0x330, 0x340, 0x370 -}; - -int fc10_enable(void) -{ - int i; - __u8 cardConfig = 0x00; - __u8 x; - TRACE_FUN(ft_t_flow); - -/* This code will only work if the FC-10 (or FC-20) is set to - * use DMA channels 1, 2, or 3. DMA channels 5 and 7 seem to be - * initialized by the same command as channels 1 and 3, respectively. - */ - if (ft_fdc_dma > 3) { - TRACE_ABORT(0, ft_t_err, -"Error: The FC-10/20 must be set to use DMA channels 1, 2, or 3!"); - } -/* Only allow the FC-10/20 to use IRQ 3-7, or 9. Note that CMS's program - * only accepts IRQ's 2-7, but in linux, IRQ 2 is the same as IRQ 9. - */ - if (ft_fdc_irq < 3 || ft_fdc_irq == 8 || ft_fdc_irq > 9) { - TRACE_ABORT(0, ft_t_err, -"Error: The FC-10/20 must be set to use IRQ levels 3 - 7, or 9!\n" -KERN_INFO "Note: IRQ 9 is the same as IRQ 2"); - } - /* Clear state machine ??? - */ - for (i = 0; i < NR_ITEMS(inbs_magic); i++) { - inb(ft_fdc_base + inbs_magic[i]); - } - outb(0x0, ft_fdc_base); - - x = inb(ft_fdc_base); - if (x == 0x13 || x == 0x93) { - for (i = 1; i < 8; i++) { - if (inb(ft_fdc_base + i) != x) { - TRACE_EXIT 0; - } - } - } else { - TRACE_EXIT 0; - } - - outb(0x8, ft_fdc_base); - - for (i = 0; i < 8; i++) { - if (inb(ft_fdc_base + i) != 0x0) { - TRACE_EXIT 0; - } - } - outb(0x10, ft_fdc_base); - - for (i = 0; i < 8; i++) { - if (inb(ft_fdc_base + i) != 0xff) { - TRACE_EXIT 0; - } - } - - /* Okay, we found a FC-10 card ! ??? - */ - outb(0x0, fdc.ccr); - - /* Clear state machine again ??? - */ - for (i = 0; i < NR_ITEMS(inbs_magic); i++) { - inb(ft_fdc_base + inbs_magic[i]); - } - /* Send io port */ - for (i = 0; i < NR_ITEMS(fc10_ports); i++) - if (ft_fdc_base == fc10_ports[i]) - cardConfig = i + 1; - if (cardConfig == 0) { - TRACE_EXIT 0; /* Invalid I/O Port */ - } - /* and IRQ - If using IRQ 9, tell the FC card it is actually IRQ 2 */ - if (ft_fdc_irq != 9) - cardConfig |= ft_fdc_irq << 3; - else - cardConfig |= 2 << 3; - - /* and finally DMA Channel */ - cardConfig |= ft_fdc_dma << 6; - outb(cardConfig, ft_fdc_base); /* DMA [2 bits]/IRQ [3 bits]/BASE [3 bits] */ - - /* Enable FC-10 ??? - */ - outb(0, fdc.ccr); - outb(0, fdc.dor2); - outb(FDC_DMA_MODE /* 8 */, fdc.dor); - outb(FDC_DMA_MODE /* 8 */, fdc.dor); - outb(1, fdc.dor2); - - /************************************* - * - * cH: why the hell should this be necessary? This is done - * by fdc_reset()!!! - * - *************************************/ - /* Initialize fdc, select drive B: - */ - outb(FDC_DMA_MODE, fdc.dor); /* assert reset, dma & irq enabled */ - /* 0x08 */ - outb(FDC_DMA_MODE|FDC_RESET_NOT, fdc.dor); /* release reset */ - /* 0x08 | 0x04 = 0x0c */ - outb(FDC_DMA_MODE|FDC_RESET_NOT|FDC_MOTOR_1|FTAPE_SEL_B, fdc.dor); - /* 0x08 | 0x04 | 0x20 | 0x01 = 0x2d */ - /* select drive 1 */ /* why not drive 0 ???? */ - TRACE_EXIT (x == 0x93) ? 2 : 1; -} diff --git a/drivers/char/ftape/lowlevel/fc-10.h b/drivers/char/ftape/lowlevel/fc-10.h deleted file mode 100644 index da7b88bca88..00000000000 --- a/drivers/char/ftape/lowlevel/fc-10.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef _FC_10_H -#define _FC_10_H - -/* - * Copyright (C) 1994-1996 Bas Laarhoven. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fc-10.h,v $ - * $Revision: 1.1 $ - * $Date: 1997/09/19 09:05:22 $ - * - * This file contains definitions for the FC-10 code - * of the QIC-40/80 floppy-tape driver for Linux. - */ - -/* - * fc-10.c defined global vars. - */ - -/* - * fc-10.c defined global functions. - */ -extern int fc10_enable(void); - -#endif diff --git a/drivers/char/ftape/lowlevel/fdc-io.c b/drivers/char/ftape/lowlevel/fdc-io.c deleted file mode 100644 index bbcf918f056..00000000000 --- a/drivers/char/ftape/lowlevel/fdc-io.c +++ /dev/null @@ -1,1349 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fdc-io.c,v $ - * $Revision: 1.7.4.2 $ - * $Date: 1997/11/16 14:48:17 $ - * - * This file contains the low-level floppy disk interface code - * for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for - * Linux. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/fdc-isr.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-calibr.h" -#include "../lowlevel/fc-10.h" - -/* Global vars. - */ -static int ftape_motor; -volatile int ftape_current_cylinder = -1; -volatile fdc_mode_enum fdc_mode = fdc_idle; -fdc_config_info fdc; -DECLARE_WAIT_QUEUE_HEAD(ftape_wait_intr); - -unsigned int ft_fdc_base = CONFIG_FT_FDC_BASE; -unsigned int ft_fdc_irq = CONFIG_FT_FDC_IRQ; -unsigned int ft_fdc_dma = CONFIG_FT_FDC_DMA; -unsigned int ft_fdc_threshold = CONFIG_FT_FDC_THR; /* bytes */ -unsigned int ft_fdc_rate_limit = CONFIG_FT_FDC_MAX_RATE; /* bits/sec */ -int ft_probe_fc10 = CONFIG_FT_PROBE_FC10; -int ft_mach2 = CONFIG_FT_MACH2; - -/* Local vars. - */ -static spinlock_t fdc_io_lock; -static unsigned int fdc_calibr_count; -static unsigned int fdc_calibr_time; -static int fdc_status; -volatile __u8 fdc_head; /* FDC head from sector id */ -volatile __u8 fdc_cyl; /* FDC track from sector id */ -volatile __u8 fdc_sect; /* FDC sector from sector id */ -static int fdc_data_rate = 500; /* data rate (Kbps) */ -static int fdc_rate_code; /* data rate code (0 == 500 Kbps) */ -static int fdc_seek_rate = 2; /* step rate (msec) */ -static void (*do_ftape) (void); -static int fdc_fifo_state; /* original fifo setting - fifo enabled */ -static int fdc_fifo_thr; /* original fifo setting - threshold */ -static int fdc_lock_state; /* original lock setting - locked */ -static int fdc_fifo_locked; /* has fifo && lock set ? */ -static __u8 fdc_precomp; /* default precomp. value (nsec) */ -static __u8 fdc_prec_code; /* fdc precomp. select code */ - -static char ftape_id[] = "ftape"; /* used by request irq and free irq */ - -static int fdc_set_seek_rate(int seek_rate); - -void fdc_catch_stray_interrupts(int count) -{ - unsigned long flags; - - spin_lock_irqsave(&fdc_io_lock, flags); - if (count == 0) { - ft_expected_stray_interrupts = 0; - } else { - ft_expected_stray_interrupts += count; - } - spin_unlock_irqrestore(&fdc_io_lock, flags); -} - -/* Wait during a timeout period for a given FDC status. - * If usecs == 0 then just test status, else wait at least for usecs. - * Returns -ETIME on timeout. Function must be calibrated first ! - */ -static int fdc_wait(unsigned int usecs, __u8 mask, __u8 state) -{ - int count_1 = (fdc_calibr_count * usecs + - fdc_calibr_count - 1) / fdc_calibr_time; - - do { - fdc_status = inb_p(fdc.msr); - if ((fdc_status & mask) == state) { - return 0; - } - } while (count_1-- >= 0); - return -ETIME; -} - -int fdc_ready_wait(unsigned int usecs) -{ - return fdc_wait(usecs, FDC_DATA_READY | FDC_BUSY, FDC_DATA_READY); -} - -/* Why can't we just use udelay()? - */ -static void fdc_usec_wait(unsigned int usecs) -{ - fdc_wait(usecs, 0, 1); /* will always timeout ! */ -} - -static int fdc_ready_out_wait(unsigned int usecs) -{ - fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */ - return fdc_wait(usecs, FDC_DATA_OUT_READY, FDC_DATA_OUT_READY); -} - -void fdc_wait_calibrate(void) -{ - ftape_calibrate("fdc_wait", - fdc_usec_wait, &fdc_calibr_count, &fdc_calibr_time); -} - -/* Wait for a (short) while for the FDC to become ready - * and transfer the next command byte. - * Return -ETIME on timeout on getting ready (depends on hardware!). - */ -static int fdc_write(const __u8 data) -{ - fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */ - if (fdc_wait(150, FDC_DATA_READY_MASK, FDC_DATA_IN_READY) < 0) { - return -ETIME; - } else { - outb(data, fdc.fifo); - return 0; - } -} - -/* Wait for a (short) while for the FDC to become ready - * and transfer the next result byte. - * Return -ETIME if timeout on getting ready (depends on hardware!). - */ -static int fdc_read(__u8 * data) -{ - fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */ - if (fdc_wait(150, FDC_DATA_READY_MASK, FDC_DATA_OUT_READY) < 0) { - return -ETIME; - } else { - *data = inb(fdc.fifo); - return 0; - } -} - -/* Output a cmd_len long command string to the FDC. - * The FDC should be ready to receive a new command or - * an error (EBUSY or ETIME) will occur. - */ -int fdc_command(const __u8 * cmd_data, int cmd_len) -{ - int result = 0; - unsigned long flags; - int count = cmd_len; - int retry = 0; -#ifdef TESTING - static unsigned int last_time; - unsigned int time; -#endif - TRACE_FUN(ft_t_any); - - fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */ - spin_lock_irqsave(&fdc_io_lock, flags); - if (!in_interrupt()) - /* Yes, I know, too much comments inside this function - * ... - * - * Yet another bug in the original driver. All that - * havoc is caused by the fact that the isr() sends - * itself a command to the floppy tape driver (pause, - * micro step pause). Now, the problem is that - * commands are transmitted via the fdc_seek - * command. But: the fdc performs seeks in the - * background i.e. it doesn't signal busy while - * sending the step pulses to the drive. Therefore the - * non-interrupt level driver has no chance to tell - * whether the isr() just has issued a seek. Therefore - * we HAVE TO have a look at the ft_hide_interrupt - * flag: it signals the non-interrupt level part of - * the driver that it has to wait for the fdc until it - * has completet seeking. - * - * THIS WAS PRESUMABLY THE REASON FOR ALL THAT - * "fdc_read timeout" errors, I HOPE :-) - */ - if (ft_hide_interrupt) { - restore_flags(flags); - TRACE(ft_t_info, - "Waiting for the isr() completing fdc_seek()"); - if (fdc_interrupt_wait(2 * FT_SECOND) < 0) { - TRACE(ft_t_warn, - "Warning: timeout waiting for isr() seek to complete"); - } - if (ft_hide_interrupt || !ft_seek_completed) { - /* There cannot be another - * interrupt. The isr() only stops - * the tape and the next interrupt - * won't come until we have send our - * command to the drive. - */ - TRACE_ABORT(-EIO, ft_t_bug, - "BUG? isr() is still seeking?\n" - KERN_INFO "hide: %d\n" - KERN_INFO "seek: %d", - ft_hide_interrupt, - ft_seek_completed); - - } - fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */ - spin_lock_irqsave(&fdc_io_lock, flags); - } - fdc_status = inb(fdc.msr); - if ((fdc_status & FDC_DATA_READY_MASK) != FDC_DATA_IN_READY) { - spin_unlock_irqrestore(&fdc_io_lock, flags); - TRACE_ABORT(-EBUSY, ft_t_err, "fdc not ready"); - } - fdc_mode = *cmd_data; /* used by isr */ -#ifdef TESTING - if (fdc_mode == FDC_SEEK) { - time = ftape_timediff(last_time, ftape_timestamp()); - if (time < 6000) { - TRACE(ft_t_bug,"Warning: short timeout between seek commands: %d", - time); - } - } -#endif - if (!in_interrupt()) { - /* shouldn't be cleared if called from isr - */ - ft_interrupt_seen = 0; - } - while (count) { - result = fdc_write(*cmd_data); - if (result < 0) { - TRACE(ft_t_fdc_dma, - "fdc_mode = %02x, status = %02x at index %d", - (int) fdc_mode, (int) fdc_status, - cmd_len - count); - if (++retry <= 3) { - TRACE(ft_t_warn, "fdc_write timeout, retry"); - } else { - TRACE(ft_t_err, "fdc_write timeout, fatal"); - /* recover ??? */ - break; - } - } else { - --count; - ++cmd_data; - } - } -#ifdef TESTING - if (fdc_mode == FDC_SEEK) { - last_time = ftape_timestamp(); - } -#endif - spin_unlock_irqrestore(&fdc_io_lock, flags); - TRACE_EXIT result; -} - -/* Input a res_len long result string from the FDC. - * The FDC should be ready to send the result or an error - * (EBUSY or ETIME) will occur. - */ -int fdc_result(__u8 * res_data, int res_len) -{ - int result = 0; - unsigned long flags; - int count = res_len; - int retry = 0; - TRACE_FUN(ft_t_any); - - spin_lock_irqsave(&fdc_io_lock, flags); - fdc_status = inb(fdc.msr); - if ((fdc_status & FDC_DATA_READY_MASK) != FDC_DATA_OUT_READY) { - TRACE(ft_t_err, "fdc not ready"); - result = -EBUSY; - } else while (count) { - if (!(fdc_status & FDC_BUSY)) { - spin_unlock_irqrestore(&fdc_io_lock, flags); - TRACE_ABORT(-EIO, ft_t_err, "premature end of result phase"); - } - result = fdc_read(res_data); - if (result < 0) { - TRACE(ft_t_fdc_dma, - "fdc_mode = %02x, status = %02x at index %d", - (int) fdc_mode, - (int) fdc_status, - res_len - count); - if (++retry <= 3) { - TRACE(ft_t_warn, "fdc_read timeout, retry"); - } else { - TRACE(ft_t_err, "fdc_read timeout, fatal"); - /* recover ??? */ - break; - ++retry; - } - } else { - --count; - ++res_data; - } - } - spin_unlock_irqrestore(&fdc_io_lock, flags); - fdc_usec_wait(FT_RQM_DELAY); /* allow FDC to negate BSY */ - TRACE_EXIT result; -} - -/* Handle command and result phases for - * commands without data phase. - */ -static int fdc_issue_command(const __u8 * out_data, int out_count, - __u8 * in_data, int in_count) -{ - TRACE_FUN(ft_t_any); - - if (out_count > 0) { - TRACE_CATCH(fdc_command(out_data, out_count),); - } - /* will take 24 - 30 usec for fdc_sense_drive_status and - * fdc_sense_interrupt_status commands. - * 35 fails sometimes (5/9/93 SJL) - * On a loaded system it incidentally takes longer than - * this for the fdc to get ready ! ?????? WHY ?????? - * So until we know what's going on use a very long timeout. - */ - TRACE_CATCH(fdc_ready_out_wait(500 /* usec */),); - if (in_count > 0) { - TRACE_CATCH(fdc_result(in_data, in_count), - TRACE(ft_t_err, "result phase aborted")); - } - TRACE_EXIT 0; -} - -/* Wait for FDC interrupt with timeout (in milliseconds). - * Signals are blocked so the wait will not be aborted. - * Note: interrupts must be enabled ! (23/05/93 SJL) - */ -int fdc_interrupt_wait(unsigned int time) -{ - DECLARE_WAITQUEUE(wait,current); - sigset_t old_sigmask; - static int resetting; - long timeout; - - TRACE_FUN(ft_t_fdc_dma); - - if (waitqueue_active(&ftape_wait_intr)) { - TRACE_ABORT(-EIO, ft_t_err, "error: nested call"); - } - /* timeout time will be up to USPT microseconds too long ! */ - timeout = (1000 * time + FT_USPT - 1) / FT_USPT; - - spin_lock_irq(¤t->sighand->siglock); - old_sigmask = current->blocked; - sigfillset(¤t->blocked); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&ftape_wait_intr, &wait); - while (!ft_interrupt_seen && timeout) - timeout = schedule_timeout_interruptible(timeout); - - spin_lock_irq(¤t->sighand->siglock); - current->blocked = old_sigmask; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - remove_wait_queue(&ftape_wait_intr, &wait); - /* the following IS necessary. True: as well - * wake_up_interruptible() as the schedule() set TASK_RUNNING - * when they wakeup a task, BUT: it may very well be that - * ft_interrupt_seen is already set to 1 when we enter here - * in which case schedule() gets never called, and - * TASK_RUNNING never set. This has the funny effect that we - * execute all the code until we leave kernel space, but then - * the task is stopped (a task CANNOT be preempted while in - * kernel mode. Sending a pair of SIGSTOP/SIGCONT to the - * tasks wakes it up again. Funny! :-) - */ - current->state = TASK_RUNNING; - if (ft_interrupt_seen) { /* woken up by interrupt */ - ft_interrupt_seen = 0; - TRACE_EXIT 0; - } - /* Original comment: - * In first instance, next statement seems unnecessary since - * it will be cleared in fdc_command. However, a small part of - * the software seems to rely on this being cleared here - * (ftape_close might fail) so stick to it until things get fixed ! - */ - /* My deeply sought of knowledge: - * Behold NO! It is obvious. fdc_reset() doesn't call fdc_command() - * but nevertheless uses fdc_interrupt_wait(). OF COURSE this needs to - * be reset here. - */ - ft_interrupt_seen = 0; /* clear for next call */ - if (!resetting) { - resetting = 1; /* break infinite recursion if reset fails */ - TRACE(ft_t_any, "cleanup reset"); - fdc_reset(); - resetting = 0; - } - TRACE_EXIT (signal_pending(current)) ? -EINTR : -ETIME; -} - -/* Start/stop drive motor. Enable DMA mode. - */ -void fdc_motor(int motor) -{ - int unit = ft_drive_sel; - int data = unit | FDC_RESET_NOT | FDC_DMA_MODE; - TRACE_FUN(ft_t_any); - - ftape_motor = motor; - if (ftape_motor) { - data |= FDC_MOTOR_0 << unit; - TRACE(ft_t_noise, "turning motor %d on", unit); - } else { - TRACE(ft_t_noise, "turning motor %d off", unit); - } - if (ft_mach2) { - outb_p(data, fdc.dor2); - } else { - outb_p(data, fdc.dor); - } - ftape_sleep(10 * FT_MILLISECOND); - TRACE_EXIT; -} - -static void fdc_update_dsr(void) -{ - TRACE_FUN(ft_t_any); - - TRACE(ft_t_flow, "rate = %d Kbps, precomp = %d ns", - fdc_data_rate, fdc_precomp); - if (fdc.type >= i82077) { - outb_p((fdc_rate_code & 0x03) | fdc_prec_code, fdc.dsr); - } else { - outb_p(fdc_rate_code & 0x03, fdc.ccr); - } - TRACE_EXIT; -} - -void fdc_set_write_precomp(int precomp) -{ - TRACE_FUN(ft_t_any); - - TRACE(ft_t_noise, "New precomp: %d nsec", precomp); - fdc_precomp = precomp; - /* write precompensation can be set in multiples of 41.67 nsec. - * round the parameter to the nearest multiple and convert it - * into a fdc setting. Note that 0 means default to the fdc, - * 7 is used instead of that. - */ - fdc_prec_code = ((fdc_precomp + 21) / 42) << 2; - if (fdc_prec_code == 0 || fdc_prec_code > (6 << 2)) { - fdc_prec_code = 7 << 2; - } - fdc_update_dsr(); - TRACE_EXIT; -} - -/* Reprogram the 82078 registers to use Data Rate Table 1 on all drives. - */ -static void fdc_set_drive_specs(void) -{ - __u8 cmd[] = { FDC_DRIVE_SPEC, 0x00, 0x00, 0x00, 0x00, 0xc0}; - int result; - TRACE_FUN(ft_t_any); - - TRACE(ft_t_flow, "Setting of drive specs called"); - if (fdc.type >= i82078_1) { - cmd[1] = (0 << 5) | (2 << 2); - cmd[2] = (1 << 5) | (2 << 2); - cmd[3] = (2 << 5) | (2 << 2); - cmd[4] = (3 << 5) | (2 << 2); - result = fdc_command(cmd, NR_ITEMS(cmd)); - if (result < 0) { - TRACE(ft_t_err, "Setting of drive specs failed"); - } - } - TRACE_EXIT; -} - -/* Select clock for fdc, must correspond with tape drive setting ! - * This also influences the fdc timing so we must adjust some values. - */ -int fdc_set_data_rate(int rate) -{ - int bad_rate = 0; - TRACE_FUN(ft_t_any); - - /* Select clock for fdc, must correspond with tape drive setting ! - * This also influences the fdc timing so we must adjust some values. - */ - TRACE(ft_t_fdc_dma, "new rate = %d", rate); - switch (rate) { - case 250: - fdc_rate_code = fdc_data_rate_250; - break; - case 500: - fdc_rate_code = fdc_data_rate_500; - break; - case 1000: - if (fdc.type < i82077) { - bad_rate = 1; - } else { - fdc_rate_code = fdc_data_rate_1000; - } - break; - case 2000: - if (fdc.type < i82078_1) { - bad_rate = 1; - } else { - fdc_rate_code = fdc_data_rate_2000; - } - break; - default: - bad_rate = 1; - } - if (bad_rate) { - TRACE_ABORT(-EIO, - ft_t_fdc_dma, "%d is not a valid data rate", rate); - } - fdc_data_rate = rate; - fdc_update_dsr(); - fdc_set_seek_rate(fdc_seek_rate); /* clock changed! */ - ftape_udelay(1000); - TRACE_EXIT 0; -} - -/* keep the unit select if keep_select is != 0, - */ -static void fdc_dor_reset(int keep_select) -{ - __u8 fdc_ctl = ft_drive_sel; - - if (keep_select != 0) { - fdc_ctl |= FDC_DMA_MODE; - if (ftape_motor) { - fdc_ctl |= FDC_MOTOR_0 << ft_drive_sel; - } - } - ftape_udelay(10); /* ??? but seems to be necessary */ - if (ft_mach2) { - outb_p(fdc_ctl & 0x0f, fdc.dor); - outb_p(fdc_ctl, fdc.dor2); - } else { - outb_p(fdc_ctl, fdc.dor); - } - fdc_usec_wait(10); /* delay >= 14 fdc clocks */ - if (keep_select == 0) { - fdc_ctl = 0; - } - fdc_ctl |= FDC_RESET_NOT; - if (ft_mach2) { - outb_p(fdc_ctl & 0x0f, fdc.dor); - outb_p(fdc_ctl, fdc.dor2); - } else { - outb_p(fdc_ctl, fdc.dor); - } -} - -/* Reset the floppy disk controller. Leave the ftape_unit selected. - */ -void fdc_reset(void) -{ - int st0; - int i; - int dummy; - unsigned long flags; - TRACE_FUN(ft_t_any); - - spin_lock_irqsave(&fdc_io_lock, flags); - - fdc_dor_reset(1); /* keep unit selected */ - - fdc_mode = fdc_idle; - - /* maybe the spin_lock_irq* pair is not necessary, BUT: - * the following line MUST be here. Otherwise fdc_interrupt_wait() - * won't wait. Note that fdc_reset() is called from - * ftape_dumb_stop() when the fdc is busy transferring data. In this - * case fdc_isr() MOST PROBABLY sets ft_interrupt_seen, and tries - * to get the result bytes from the fdc etc. CLASH. - */ - ft_interrupt_seen = 0; - - /* Program data rate - */ - fdc_update_dsr(); /* restore data rate and precomp */ - - spin_unlock_irqrestore(&fdc_io_lock, flags); - - /* - * Wait for first polling cycle to complete - */ - if (fdc_interrupt_wait(1 * FT_SECOND) < 0) { - TRACE(ft_t_err, "no drive polling interrupt!"); - } else { /* clear all disk-changed statuses */ - for (i = 0; i < 4; ++i) { - if(fdc_sense_interrupt_status(&st0, &dummy) != 0) { - TRACE(ft_t_err, "sense failed for %d", i); - } - if (i == ft_drive_sel) { - ftape_current_cylinder = dummy; - } - } - TRACE(ft_t_noise, "drive polling completed"); - } - /* - * SPECIFY COMMAND - */ - fdc_set_seek_rate(fdc_seek_rate); - /* - * DRIVE SPECIFICATION COMMAND (if fdc type known) - */ - if (fdc.type >= i82078_1) { - fdc_set_drive_specs(); - } - TRACE_EXIT; -} - -#if !defined(CLK_48MHZ) -# define CLK_48MHZ 1 -#endif - -/* When we're done, put the fdc into reset mode so that the regular - * floppy disk driver will figure out that something is wrong and - * initialize the controller the way it wants. - */ -void fdc_disable(void) -{ - __u8 cmd1[] = {FDC_CONFIGURE, 0x00, 0x00, 0x00}; - __u8 cmd2[] = {FDC_LOCK}; - __u8 cmd3[] = {FDC_UNLOCK}; - __u8 stat[1]; - TRACE_FUN(ft_t_flow); - - if (!fdc_fifo_locked) { - fdc_reset(); - TRACE_EXIT; - } - if (fdc_issue_command(cmd3, 1, stat, 1) < 0 || stat[0] != 0x00) { - fdc_dor_reset(0); - TRACE_ABORT(/**/, ft_t_bug, - "couldn't unlock fifo, configuration remains changed"); - } - fdc_fifo_locked = 0; - if (CLK_48MHZ && fdc.type >= i82078) { - cmd1[0] |= FDC_CLK48_BIT; - } - cmd1[2] = ((fdc_fifo_state) ? 0 : 0x20) + (fdc_fifo_thr - 1); - if (fdc_command(cmd1, NR_ITEMS(cmd1)) < 0) { - fdc_dor_reset(0); - TRACE_ABORT(/**/, ft_t_bug, - "couldn't reconfigure fifo to old state"); - } - if (fdc_lock_state && - fdc_issue_command(cmd2, 1, stat, 1) < 0) { - fdc_dor_reset(0); - TRACE_ABORT(/**/, ft_t_bug, "couldn't lock old state again"); - } - TRACE(ft_t_noise, "fifo restored: %sabled, thr. %d, %slocked", - fdc_fifo_state ? "en" : "dis", - fdc_fifo_thr, (fdc_lock_state) ? "" : "not "); - fdc_dor_reset(0); - TRACE_EXIT; -} - -/* Specify FDC seek-rate (milliseconds) - */ -static int fdc_set_seek_rate(int seek_rate) -{ - /* set step rate, dma mode, and minimal head load and unload times - */ - __u8 in[3] = { FDC_SPECIFY, 1, (1 << 1)}; - - fdc_seek_rate = seek_rate; - in[1] |= (16 - (fdc_data_rate * fdc_seek_rate) / 500) << 4; - - return fdc_command(in, 3); -} - -/* Sense drive status: get unit's drive status (ST3) - */ -int fdc_sense_drive_status(int *st3) -{ - __u8 out[2]; - __u8 in[1]; - TRACE_FUN(ft_t_any); - - out[0] = FDC_SENSED; - out[1] = ft_drive_sel; - TRACE_CATCH(fdc_issue_command(out, 2, in, 1),); - *st3 = in[0]; - TRACE_EXIT 0; -} - -/* Sense Interrupt Status command: - * should be issued at the end of each seek. - * get ST0 and current cylinder. - */ -int fdc_sense_interrupt_status(int *st0, int *current_cylinder) -{ - __u8 out[1]; - __u8 in[2]; - TRACE_FUN(ft_t_any); - - out[0] = FDC_SENSEI; - TRACE_CATCH(fdc_issue_command(out, 1, in, 2),); - *st0 = in[0]; - *current_cylinder = in[1]; - TRACE_EXIT 0; -} - -/* step to track - */ -int fdc_seek(int track) -{ - __u8 out[3]; - int st0, pcn; -#ifdef TESTING - unsigned int time; -#endif - TRACE_FUN(ft_t_any); - - out[0] = FDC_SEEK; - out[1] = ft_drive_sel; - out[2] = track; -#ifdef TESTING - time = ftape_timestamp(); -#endif - /* We really need this command to work ! - */ - ft_seek_completed = 0; - TRACE_CATCH(fdc_command(out, 3), - fdc_reset(); - TRACE(ft_t_noise, "destination was: %d, resetting FDC...", - track)); - /* Handle interrupts until ft_seek_completed or timeout. - */ - for (;;) { - TRACE_CATCH(fdc_interrupt_wait(2 * FT_SECOND),); - if (ft_seek_completed) { - TRACE_CATCH(fdc_sense_interrupt_status(&st0, &pcn),); - if ((st0 & ST0_SEEK_END) == 0) { - TRACE_ABORT(-EIO, ft_t_err, - "no seek-end after seek completion !??"); - } - break; - } - } -#ifdef TESTING - time = ftape_timediff(time, ftape_timestamp()) / abs(track - ftape_current_cylinder); - if ((time < 900 || time > 3100) && abs(track - ftape_current_cylinder) > 5) { - TRACE(ft_t_warn, "Wrong FDC STEP interval: %d usecs (%d)", - time, track - ftape_current_cylinder); - } -#endif - /* Verify whether we issued the right tape command. - */ - /* Verify that we seek to the proper track. */ - if (pcn != track) { - TRACE_ABORT(-EIO, ft_t_err, "bad seek.."); - } - ftape_current_cylinder = track; - TRACE_EXIT 0; -} - -static int perpend_mode; /* set if fdc is in perpendicular mode */ - -static int perpend_off(void) -{ - __u8 perpend[] = {FDC_PERPEND, 0x00}; - TRACE_FUN(ft_t_any); - - if (perpend_mode) { - /* Turn off perpendicular mode */ - perpend[1] = 0x80; - TRACE_CATCH(fdc_command(perpend, 2), - TRACE(ft_t_err,"Perpendicular mode exit failed!")); - perpend_mode = 0; - } - TRACE_EXIT 0; -} - -static int handle_perpend(int segment_id) -{ - __u8 perpend[] = {FDC_PERPEND, 0x00}; - TRACE_FUN(ft_t_any); - - /* When writing QIC-3020 tapes, turn on perpendicular mode - * if tape is moving in forward direction (even tracks). - */ - if (ft_qic_std == QIC_TAPE_QIC3020 && - ((segment_id / ft_segments_per_track) & 1) == 0) { -/* FIXME: some i82077 seem to support perpendicular mode as - * well. - */ -#if 0 - if (fdc.type < i82077AA) {} -#else - if (fdc.type < i82077 && ft_data_rate < 1000) { -#endif - /* fdc does not support perpendicular mode: complain - */ - TRACE_ABORT(-EIO, ft_t_err, - "Your FDC does not support QIC-3020."); - } - perpend[1] = 0x03 /* 0x83 + (0x4 << ft_drive_sel) */ ; - TRACE_CATCH(fdc_command(perpend, 2), - TRACE(ft_t_err,"Perpendicular mode entry failed!")); - TRACE(ft_t_flow, "Perpendicular mode set"); - perpend_mode = 1; - TRACE_EXIT 0; - } - TRACE_EXIT perpend_off(); -} - -static inline void fdc_setup_dma(char mode, - volatile void *addr, unsigned int count) -{ - /* Program the DMA controller. - */ - disable_dma(fdc.dma); - clear_dma_ff(fdc.dma); - set_dma_mode(fdc.dma, mode); - set_dma_addr(fdc.dma, virt_to_bus((void*)addr)); - set_dma_count(fdc.dma, count); - enable_dma(fdc.dma); -} - -/* Setup fdc and dma for formatting the next segment - */ -int fdc_setup_formatting(buffer_struct * buff) -{ - unsigned long flags; - __u8 out[6] = { - FDC_FORMAT, 0x00, 3, 4 * FT_SECTORS_PER_SEGMENT, 0x00, 0x6b - }; - TRACE_FUN(ft_t_any); - - TRACE_CATCH(handle_perpend(buff->segment_id),); - /* Program the DMA controller. - */ - TRACE(ft_t_fdc_dma, - "phys. addr. = %lx", virt_to_bus((void*) buff->ptr)); - spin_lock_irqsave(&fdc_io_lock, flags); - fdc_setup_dma(DMA_MODE_WRITE, buff->ptr, FT_SECTORS_PER_SEGMENT * 4); - /* Issue FDC command to start reading/writing. - */ - out[1] = ft_drive_sel; - out[4] = buff->gap3; - TRACE_CATCH(fdc_setup_error = fdc_command(out, sizeof(out)), - restore_flags(flags); fdc_mode = fdc_idle); - spin_unlock_irqrestore(&fdc_io_lock, flags); - TRACE_EXIT 0; -} - - -/* Setup Floppy Disk Controller and DMA to read or write the next cluster - * of good sectors from or to the current segment. - */ -int fdc_setup_read_write(buffer_struct * buff, __u8 operation) -{ - unsigned long flags; - __u8 out[9]; - int dma_mode; - TRACE_FUN(ft_t_any); - - switch(operation) { - case FDC_VERIFY: - if (fdc.type < i82077) { - operation = FDC_READ; - } - case FDC_READ: - case FDC_READ_DELETED: - dma_mode = DMA_MODE_READ; - TRACE(ft_t_fdc_dma, "xfer %d sectors to 0x%p", - buff->sector_count, buff->ptr); - TRACE_CATCH(perpend_off(),); - break; - case FDC_WRITE_DELETED: - TRACE(ft_t_noise, "deleting segment %d", buff->segment_id); - case FDC_WRITE: - dma_mode = DMA_MODE_WRITE; - /* When writing QIC-3020 tapes, turn on perpendicular mode - * if tape is moving in forward direction (even tracks). - */ - TRACE_CATCH(handle_perpend(buff->segment_id),); - TRACE(ft_t_fdc_dma, "xfer %d sectors from 0x%p", - buff->sector_count, buff->ptr); - break; - default: - TRACE_ABORT(-EIO, - ft_t_bug, "bug: invalid operation parameter"); - } - TRACE(ft_t_fdc_dma, "phys. addr. = %lx",virt_to_bus((void*)buff->ptr)); - spin_lock_irqsave(&fdc_io_lock, flags); - if (operation != FDC_VERIFY) { - fdc_setup_dma(dma_mode, buff->ptr, - FT_SECTOR_SIZE * buff->sector_count); - } - /* Issue FDC command to start reading/writing. - */ - out[0] = operation; - out[1] = ft_drive_sel; - out[2] = buff->cyl; - out[3] = buff->head; - out[4] = buff->sect + buff->sector_offset; - out[5] = 3; /* Sector size of 1K. */ - out[6] = out[4] + buff->sector_count - 1; /* last sector */ - out[7] = 109; /* Gap length. */ - out[8] = 0xff; /* No limit to transfer size. */ - TRACE(ft_t_fdc_dma, "C: 0x%02x, H: 0x%02x, R: 0x%02x, cnt: 0x%02x", - out[2], out[3], out[4], out[6] - out[4] + 1); - spin_unlock_irqrestore(&fdc_io_lock, flags); - TRACE_CATCH(fdc_setup_error = fdc_command(out, 9),fdc_mode = fdc_idle); - TRACE_EXIT 0; -} - -int fdc_fifo_threshold(__u8 threshold, - int *fifo_state, int *lock_state, int *fifo_thr) -{ - const __u8 cmd0[] = {FDC_DUMPREGS}; - __u8 cmd1[] = {FDC_CONFIGURE, 0, (0x0f & (threshold - 1)), 0}; - const __u8 cmd2[] = {FDC_LOCK}; - const __u8 cmd3[] = {FDC_UNLOCK}; - __u8 reg[10]; - __u8 stat; - int i; - int result; - TRACE_FUN(ft_t_any); - - if (CLK_48MHZ && fdc.type >= i82078) { - cmd1[0] |= FDC_CLK48_BIT; - } - /* Dump fdc internal registers for examination - */ - TRACE_CATCH(fdc_command(cmd0, NR_ITEMS(cmd0)), - TRACE(ft_t_warn, "dumpreg cmd failed, fifo unchanged")); - /* Now read fdc internal registers from fifo - */ - for (i = 0; i < (int)NR_ITEMS(reg); ++i) { - fdc_read(®[i]); - TRACE(ft_t_fdc_dma, "Register %d = 0x%02x", i, reg[i]); - } - if (fifo_state && lock_state && fifo_thr) { - *fifo_state = (reg[8] & 0x20) == 0; - *lock_state = reg[7] & 0x80; - *fifo_thr = 1 + (reg[8] & 0x0f); - } - TRACE(ft_t_noise, - "original fifo state: %sabled, threshold %d, %slocked", - ((reg[8] & 0x20) == 0) ? "en" : "dis", - 1 + (reg[8] & 0x0f), (reg[7] & 0x80) ? "" : "not "); - /* If fdc is already locked, unlock it first ! */ - if (reg[7] & 0x80) { - fdc_ready_wait(100); - TRACE_CATCH(fdc_issue_command(cmd3, NR_ITEMS(cmd3), &stat, 1), - TRACE(ft_t_bug, "FDC unlock command failed, " - "configuration unchanged")); - } - fdc_fifo_locked = 0; - /* Enable fifo and set threshold at xx bytes to allow a - * reasonably large latency and reduce number of dma bursts. - */ - fdc_ready_wait(100); - if ((result = fdc_command(cmd1, NR_ITEMS(cmd1))) < 0) { - TRACE(ft_t_bug, "configure cmd failed, fifo unchanged"); - } - /* Now lock configuration so reset will not change it - */ - if(fdc_issue_command(cmd2, NR_ITEMS(cmd2), &stat, 1) < 0 || - stat != 0x10) { - TRACE_ABORT(-EIO, ft_t_bug, - "FDC lock command failed, stat = 0x%02x", stat); - } - fdc_fifo_locked = 1; - TRACE_EXIT result; -} - -static int fdc_fifo_enable(void) -{ - TRACE_FUN(ft_t_any); - - if (fdc_fifo_locked) { - TRACE_ABORT(0, ft_t_warn, "Fifo not enabled because locked"); - } - TRACE_CATCH(fdc_fifo_threshold(ft_fdc_threshold /* bytes */, - &fdc_fifo_state, - &fdc_lock_state, - &fdc_fifo_thr),); - TRACE_CATCH(fdc_fifo_threshold(ft_fdc_threshold /* bytes */, - NULL, NULL, NULL),); - TRACE_EXIT 0; -} - -/* Determine fd controller type - */ -static __u8 fdc_save_state[2]; - -static int fdc_probe(void) -{ - __u8 cmd[1]; - __u8 stat[16]; /* must be able to hold dumpregs & save results */ - int i; - TRACE_FUN(ft_t_any); - - /* Try to find out what kind of fd controller we have to deal with - * Scheme borrowed from floppy driver: - * first try if FDC_DUMPREGS command works - * (this indicates that we have a 82072 or better) - * then try the FDC_VERSION command (82072 doesn't support this) - * then try the FDC_UNLOCK command (some older 82077's don't support this) - * then try the FDC_PARTID command (82078's support this) - */ - cmd[0] = FDC_DUMPREGS; - if (fdc_issue_command(cmd, 1, stat, 1) != 0) { - TRACE_ABORT(no_fdc, ft_t_bug, "No FDC found"); - } - if (stat[0] == 0x80) { - /* invalid command: must be pre 82072 */ - TRACE_ABORT(i8272, - ft_t_warn, "Type 8272A/765A compatible FDC found"); - } - fdc_result(&stat[1], 9); - fdc_save_state[0] = stat[7]; - fdc_save_state[1] = stat[8]; - cmd[0] = FDC_VERSION; - if (fdc_issue_command(cmd, 1, stat, 1) < 0 || stat[0] == 0x80) { - TRACE_ABORT(i8272, ft_t_warn, "Type 82072 FDC found"); - } - if (*stat != 0x90) { - TRACE_ABORT(i8272, ft_t_warn, "Unknown FDC found"); - } - cmd[0] = FDC_UNLOCK; - if(fdc_issue_command(cmd, 1, stat, 1) < 0 || stat[0] != 0x00) { - TRACE_ABORT(i8272, ft_t_warn, - "Type pre-1991 82077 FDC found, " - "treating it like a 82072"); - } - if (fdc_save_state[0] & 0x80) { /* was locked */ - cmd[0] = FDC_LOCK; /* restore lock */ - (void)fdc_issue_command(cmd, 1, stat, 1); - TRACE(ft_t_warn, "FDC is already locked"); - } - /* Test for a i82078 FDC */ - cmd[0] = FDC_PARTID; - if (fdc_issue_command(cmd, 1, stat, 1) < 0 || stat[0] == 0x80) { - /* invalid command: not a i82078xx type FDC */ - for (i = 0; i < 4; ++i) { - outb_p(i, fdc.tdr); - if ((inb_p(fdc.tdr) & 0x03) != i) { - TRACE_ABORT(i82077, - ft_t_warn, "Type 82077 FDC found"); - } - } - TRACE_ABORT(i82077AA, ft_t_warn, "Type 82077AA FDC found"); - } - /* FDC_PARTID cmd succeeded */ - switch (stat[0] >> 5) { - case 0x0: - /* i82078SL or i82078-1. The SL part cannot run at - * 2Mbps (the SL and -1 dies are identical; they are - * speed graded after production, according to Intel). - * Some SL's can be detected by doing a SAVE cmd and - * look at bit 7 of the first byte (the SEL3V# bit). - * If it is 0, the part runs off 3Volts, and hence it - * is a SL. - */ - cmd[0] = FDC_SAVE; - if(fdc_issue_command(cmd, 1, stat, 16) < 0) { - TRACE(ft_t_err, "FDC_SAVE failed. Dunno why"); - /* guess we better claim the fdc to be a i82078 */ - TRACE_ABORT(i82078, - ft_t_warn, - "Type i82078 FDC (i suppose) found"); - } - if ((stat[0] & FDC_SEL3V_BIT)) { - /* fdc running off 5Volts; Pray that it's a i82078-1 - */ - TRACE_ABORT(i82078_1, ft_t_warn, - "Type i82078-1 or 5Volt i82078SL FDC found"); - } - TRACE_ABORT(i82078, ft_t_warn, - "Type 3Volt i82078SL FDC (1Mbps) found"); - case 0x1: - case 0x2: /* S82078B */ - /* The '78B isn't '78 compatible. Detect it as a '77AA */ - TRACE_ABORT(i82077AA, ft_t_warn, "Type i82077AA FDC found"); - case 0x3: /* NSC PC8744 core; used in several super-IO chips */ - TRACE_ABORT(i82077AA, - ft_t_warn, "Type 82077AA compatible FDC found"); - default: - TRACE(ft_t_warn, "A previously undetected FDC found"); - TRACE_ABORT(i82077AA, ft_t_warn, - "Treating it as a 82077AA. Please report partid= %d", - stat[0]); - } /* switch(stat[ 0] >> 5) */ - TRACE_EXIT no_fdc; -} - -static int fdc_request_regions(void) -{ - TRACE_FUN(ft_t_flow); - - if (ft_mach2 || ft_probe_fc10) { - if (!request_region(fdc.sra, 8, "fdc (ft)")) { -#ifndef BROKEN_FLOPPY_DRIVER - TRACE_EXIT -EBUSY; -#else - TRACE(ft_t_warn, -"address 0x%03x occupied (by floppy driver?), using it anyway", fdc.sra); -#endif - } - } else { - if (!request_region(fdc.sra, 6, "fdc (ft)")) { -#ifndef BROKEN_FLOPPY_DRIVER - TRACE_EXIT -EBUSY; -#else - TRACE(ft_t_warn, -"address 0x%03x occupied (by floppy driver?), using it anyway", fdc.sra); -#endif - } - if (!request_region(fdc.sra + 7, 1, "fdc (ft)")) { -#ifndef BROKEN_FLOPPY_DRIVER - release_region(fdc.sra, 6); - TRACE_EXIT -EBUSY; -#else - TRACE(ft_t_warn, -"address 0x%03x occupied (by floppy driver?), using it anyway", fdc.sra + 7); -#endif - } - } - TRACE_EXIT 0; -} - -void fdc_release_regions(void) -{ - TRACE_FUN(ft_t_flow); - - if (fdc.sra != 0) { - if (fdc.dor2 != 0) { - release_region(fdc.sra, 8); - } else { - release_region(fdc.sra, 6); - release_region(fdc.dir, 1); - } - } - TRACE_EXIT; -} - -static int fdc_config_regs(unsigned int fdc_base, - unsigned int fdc_irq, - unsigned int fdc_dma) -{ - TRACE_FUN(ft_t_flow); - - fdc.irq = fdc_irq; - fdc.dma = fdc_dma; - fdc.sra = fdc_base; - fdc.srb = fdc_base + 1; - fdc.dor = fdc_base + 2; - fdc.tdr = fdc_base + 3; - fdc.msr = fdc.dsr = fdc_base + 4; - fdc.fifo = fdc_base + 5; - fdc.dir = fdc.ccr = fdc_base + 7; - fdc.dor2 = (ft_mach2 || ft_probe_fc10) ? fdc_base + 6 : 0; - TRACE_CATCH(fdc_request_regions(), fdc.sra = 0); - TRACE_EXIT 0; -} - -static int fdc_config(void) -{ - static int already_done; - TRACE_FUN(ft_t_any); - - if (already_done) { - TRACE_CATCH(fdc_request_regions(),); - *(fdc.hook) = fdc_isr; /* hook our handler in */ - TRACE_EXIT 0; - } - if (ft_probe_fc10) { - int fc_type; - - TRACE_CATCH(fdc_config_regs(ft_fdc_base, - ft_fdc_irq, ft_fdc_dma),); - fc_type = fc10_enable(); - if (fc_type != 0) { - TRACE(ft_t_warn, "FC-%c0 controller found", '0' + fc_type); - fdc.type = fc10; - fdc.hook = &do_ftape; - *(fdc.hook) = fdc_isr; /* hook our handler in */ - already_done = 1; - TRACE_EXIT 0; - } else { - TRACE(ft_t_warn, "FC-10/20 controller not found"); - fdc_release_regions(); - fdc.type = no_fdc; - ft_probe_fc10 = 0; - ft_fdc_base = 0x3f0; - ft_fdc_irq = 6; - ft_fdc_dma = 2; - } - } - TRACE(ft_t_warn, "fdc base: 0x%x, irq: %d, dma: %d", - ft_fdc_base, ft_fdc_irq, ft_fdc_dma); - TRACE_CATCH(fdc_config_regs(ft_fdc_base, ft_fdc_irq, ft_fdc_dma),); - fdc.hook = &do_ftape; - *(fdc.hook) = fdc_isr; /* hook our handler in */ - already_done = 1; - TRACE_EXIT 0; -} - -static irqreturn_t ftape_interrupt(int irq, void *dev_id) -{ - void (*handler) (void) = *fdc.hook; - int handled = 0; - TRACE_FUN(ft_t_any); - - *fdc.hook = NULL; - if (handler) { - handled = 1; - handler(); - } else { - TRACE(ft_t_bug, "Unexpected ftape interrupt"); - } - TRACE_EXIT IRQ_RETVAL(handled); -} - -static int fdc_grab_irq_and_dma(void) -{ - TRACE_FUN(ft_t_any); - - if (fdc.hook == &do_ftape) { - /* Get fast interrupt handler. - */ - if (request_irq(fdc.irq, ftape_interrupt, - IRQF_DISABLED, "ft", ftape_id)) { - TRACE_ABORT(-EIO, ft_t_bug, - "Unable to grab IRQ%d for ftape driver", - fdc.irq); - } - if (request_dma(fdc.dma, ftape_id)) { - free_irq(fdc.irq, ftape_id); - TRACE_ABORT(-EIO, ft_t_bug, - "Unable to grab DMA%d for ftape driver", - fdc.dma); - } - } - if (ft_fdc_base != 0x3f0 && (ft_fdc_dma == 2 || ft_fdc_irq == 6)) { - /* Using same dma channel or irq as standard fdc, need - * to disable the dma-gate on the std fdc. This - * couldn't be done in the floppy driver as some - * laptops are using the dma-gate to enter a low power - * or even suspended state :-( - */ - outb_p(FDC_RESET_NOT, 0x3f2); - TRACE(ft_t_noise, "DMA-gate on standard fdc disabled"); - } - TRACE_EXIT 0; -} - -int fdc_release_irq_and_dma(void) -{ - TRACE_FUN(ft_t_any); - - if (fdc.hook == &do_ftape) { - disable_dma(fdc.dma); /* just in case... */ - free_dma(fdc.dma); - free_irq(fdc.irq, ftape_id); - } - if (ft_fdc_base != 0x3f0 && (ft_fdc_dma == 2 || ft_fdc_irq == 6)) { - /* Using same dma channel as standard fdc, need to - * disable the dma-gate on the std fdc. This couldn't - * be done in the floppy driver as some laptops are - * using the dma-gate to enter a low power or even - * suspended state :-( - */ - outb_p(FDC_RESET_NOT | FDC_DMA_MODE, 0x3f2); - TRACE(ft_t_noise, "DMA-gate on standard fdc enabled again"); - } - TRACE_EXIT 0; -} - -int fdc_init(void) -{ - TRACE_FUN(ft_t_any); - - /* find a FDC to use */ - TRACE_CATCH(fdc_config(),); - TRACE_CATCH(fdc_grab_irq_and_dma(), fdc_release_regions()); - ftape_motor = 0; - fdc_catch_stray_interrupts(0); /* clear number of awainted - * stray interrupte - */ - fdc_catch_stray_interrupts(1); /* one always comes (?) */ - TRACE(ft_t_flow, "resetting fdc"); - fdc_set_seek_rate(2); /* use nominal QIC step rate */ - fdc_reset(); /* init fdc & clear track counters */ - if (fdc.type == no_fdc) { /* no FC-10 or FC-20 found */ - fdc.type = fdc_probe(); - fdc_reset(); /* update with new knowledge */ - } - if (fdc.type == no_fdc) { - fdc_release_irq_and_dma(); - fdc_release_regions(); - TRACE_EXIT -ENXIO; - } - if (fdc.type >= i82077) { - if (fdc_fifo_enable() < 0) { - TRACE(ft_t_warn, "couldn't enable fdc fifo !"); - } else { - TRACE(ft_t_flow, "fdc fifo enabled and locked"); - } - } - TRACE_EXIT 0; -} diff --git a/drivers/char/ftape/lowlevel/fdc-io.h b/drivers/char/ftape/lowlevel/fdc-io.h deleted file mode 100644 index 7ec3c72178b..00000000000 --- a/drivers/char/ftape/lowlevel/fdc-io.h +++ /dev/null @@ -1,252 +0,0 @@ -#ifndef _FDC_IO_H -#define _FDC_IO_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fdc-io.h,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/05 19:18:06 $ - * - * This file contains the declarations for the low level - * functions that communicate with the floppy disk controller, - * for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for - * Linux. - */ - -#include - -#include "../lowlevel/ftape-bsm.h" - -#define FDC_SK_BIT (0x20) -#define FDC_MT_BIT (0x80) - -#define FDC_READ (FD_READ & ~(FDC_SK_BIT | FDC_MT_BIT)) -#define FDC_WRITE (FD_WRITE & ~FDC_MT_BIT) -#define FDC_READ_DELETED (0x4c) -#define FDC_WRITE_DELETED (0x49) -#define FDC_VERIFY (0x56) -#define FDC_READID (0x4a) -#define FDC_SENSED (0x04) -#define FDC_SENSEI (FD_SENSEI) -#define FDC_FORMAT (FD_FORMAT) -#define FDC_RECAL (FD_RECALIBRATE) -#define FDC_SEEK (FD_SEEK) -#define FDC_SPECIFY (FD_SPECIFY) -#define FDC_RECALIBR (FD_RECALIBRATE) -#define FDC_VERSION (FD_VERSION) -#define FDC_PERPEND (FD_PERPENDICULAR) -#define FDC_DUMPREGS (FD_DUMPREGS) -#define FDC_LOCK (FD_LOCK) -#define FDC_UNLOCK (FD_UNLOCK) -#define FDC_CONFIGURE (FD_CONFIGURE) -#define FDC_DRIVE_SPEC (0x8e) /* i82078 has this (any others?) */ -#define FDC_PARTID (0x18) /* i82078 has this */ -#define FDC_SAVE (0x2e) /* i82078 has this (any others?) */ -#define FDC_RESTORE (0x4e) /* i82078 has this (any others?) */ - -#define FDC_STATUS_MASK (STATUS_BUSY | STATUS_DMA | STATUS_DIR | STATUS_READY) -#define FDC_DATA_READY (STATUS_READY) -#define FDC_DATA_OUTPUT (STATUS_DIR) -#define FDC_DATA_READY_MASK (STATUS_READY | STATUS_DIR) -#define FDC_DATA_OUT_READY (STATUS_READY | STATUS_DIR) -#define FDC_DATA_IN_READY (STATUS_READY) -#define FDC_BUSY (STATUS_BUSY) -#define FDC_CLK48_BIT (0x80) -#define FDC_SEL3V_BIT (0x40) - -#define ST0_INT_MASK (ST0_INTR) -#define FDC_INT_NORMAL (ST0_INTR & 0x00) -#define FDC_INT_ABNORMAL (ST0_INTR & 0x40) -#define FDC_INT_INVALID (ST0_INTR & 0x80) -#define FDC_INT_READYCH (ST0_INTR & 0xC0) -#define ST0_SEEK_END (ST0_SE) -#define ST3_TRACK_0 (ST3_TZ) - -#define FDC_RESET_NOT (0x04) -#define FDC_DMA_MODE (0x08) -#define FDC_MOTOR_0 (0x10) -#define FDC_MOTOR_1 (0x20) - -typedef struct { - void (**hook) (void); /* our wedge into the isr */ - enum { - no_fdc, i8272, i82077, i82077AA, fc10, - i82078, i82078_1 - } type; /* FDC type */ - unsigned int irq; /* FDC irq nr */ - unsigned int dma; /* FDC dma channel nr */ - __u16 sra; /* Status register A (PS/2 only) */ - __u16 srb; /* Status register B (PS/2 only) */ - __u16 dor; /* Digital output register */ - __u16 tdr; /* Tape Drive Register (82077SL-1 & - 82078 only) */ - __u16 msr; /* Main Status Register */ - __u16 dsr; /* Datarate Select Register (8207x only) */ - __u16 fifo; /* Data register / Fifo on 8207x */ - __u16 dir; /* Digital Input Register */ - __u16 ccr; /* Configuration Control Register */ - __u16 dor2; /* Alternate dor on MACH-2 controller, - also used with FC-10, meaning unknown */ -} fdc_config_info; - -typedef enum { - fdc_data_rate_250 = 2, - fdc_data_rate_300 = 1, /* any fdc in default configuration */ - fdc_data_rate_500 = 0, - fdc_data_rate_1000 = 3, - fdc_data_rate_2000 = 1, /* i82078-1: when using Data Rate Table #2 */ -} fdc_data_rate_type; - -typedef enum { - fdc_idle = 0, - fdc_reading_data = FDC_READ, - fdc_seeking = FDC_SEEK, - fdc_writing_data = FDC_WRITE, - fdc_deleting = FDC_WRITE_DELETED, - fdc_reading_id = FDC_READID, - fdc_recalibrating = FDC_RECAL, - fdc_formatting = FDC_FORMAT, - fdc_verifying = FDC_VERIFY -} fdc_mode_enum; - -typedef enum { - waiting = 0, - reading, - writing, - formatting, - verifying, - deleting, - done, - error, - mmapped, -} buffer_state_enum; - -typedef struct { - __u8 *address; - volatile buffer_state_enum status; - volatile __u8 *ptr; - volatile unsigned int bytes; - volatile unsigned int segment_id; - - /* bitmap for remainder of segment not yet handled. - * one bit set for each bad sector that must be skipped. - */ - volatile SectorMap bad_sector_map; - - /* bitmap with bad data blocks in data buffer. - * the errors in this map may be retried. - */ - volatile SectorMap soft_error_map; - - /* bitmap with bad data blocks in data buffer - * the errors in this map may not be retried. - */ - volatile SectorMap hard_error_map; - - /* retry counter for soft errors. - */ - volatile int retry; - - /* sectors to skip on retry ??? - */ - volatile unsigned int skip; - - /* nr of data blocks in data buffer - */ - volatile unsigned int data_offset; - - /* offset in segment for first sector to be handled. - */ - volatile unsigned int sector_offset; - - /* size of cluster of good sectors to be handled. - */ - volatile unsigned int sector_count; - - /* size of remaining part of segment to be handled. - */ - volatile unsigned int remaining; - - /* points to next segment (contiguous) to be handled, - * or is zero if no read-ahead is allowed. - */ - volatile unsigned int next_segment; - - /* flag being set if deleted data was read. - */ - volatile int deleted; - - /* floppy coordinates of first sector in segment */ - volatile __u8 head; - volatile __u8 cyl; - volatile __u8 sect; - - /* gap to use when formatting */ - __u8 gap3; - /* flag set when buffer is mmaped */ - int mmapped; -} buffer_struct; - -/* - * fdc-io.c defined public variables - */ -extern volatile fdc_mode_enum fdc_mode; -extern int fdc_setup_error; /* outdated ??? */ -extern wait_queue_head_t ftape_wait_intr; -extern volatile int ftape_current_cylinder; /* track nr FDC thinks we're on */ -extern volatile __u8 fdc_head; /* FDC head */ -extern volatile __u8 fdc_cyl; /* FDC track */ -extern volatile __u8 fdc_sect; /* FDC sector */ -extern fdc_config_info fdc; /* FDC hardware configuration */ - -extern unsigned int ft_fdc_base; -extern unsigned int ft_fdc_irq; -extern unsigned int ft_fdc_dma; -extern unsigned int ft_fdc_threshold; -extern unsigned int ft_fdc_rate_limit; -extern int ft_probe_fc10; -extern int ft_mach2; -/* - * fdc-io.c defined public functions - */ -extern void fdc_catch_stray_interrupts(int count); -extern int fdc_ready_wait(unsigned int timeout); -extern int fdc_command(const __u8 * cmd_data, int cmd_len); -extern int fdc_result(__u8 * res_data, int res_len); -extern int fdc_interrupt_wait(unsigned int time); -extern int fdc_seek(int track); -extern int fdc_sense_drive_status(int *st3); -extern void fdc_motor(int motor); -extern void fdc_reset(void); -extern void fdc_disable(void); -extern int fdc_fifo_threshold(__u8 threshold, - int *fifo_state, int *lock_state, int *fifo_thr); -extern void fdc_wait_calibrate(void); -extern int fdc_sense_interrupt_status(int *st0, int *current_cylinder); -extern void fdc_save_drive_specs(void); -extern void fdc_restore_drive_specs(void); -extern int fdc_set_data_rate(int rate); -extern void fdc_set_write_precomp(int precomp); -extern int fdc_release_irq_and_dma(void); -extern void fdc_release_regions(void); -extern int fdc_init(void); -extern int fdc_setup_read_write(buffer_struct * buff, __u8 operation); -extern int fdc_setup_formatting(buffer_struct * buff); -#endif diff --git a/drivers/char/ftape/lowlevel/fdc-isr.c b/drivers/char/ftape/lowlevel/fdc-isr.c deleted file mode 100644 index ad2bc733ae1..00000000000 --- a/drivers/char/ftape/lowlevel/fdc-isr.c +++ /dev/null @@ -1,1170 +0,0 @@ -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fdc-isr.c,v $ - * $Revision: 1.9 $ - * $Date: 1997/10/17 23:01:53 $ - * - * This file contains the interrupt service routine and - * associated code for the QIC-40/80/3010/3020 floppy-tape driver - * "ftape" for Linux. - */ - -#include -#include - -#define volatile /* */ - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/fdc-isr.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-calibr.h" -#include "../lowlevel/ftape-bsm.h" - -/* Global vars. - */ -volatile int ft_expected_stray_interrupts; -volatile int ft_interrupt_seen; -volatile int ft_seek_completed; -volatile int ft_hide_interrupt; -/* Local vars. - */ -typedef enum { - no_error = 0, id_am_error = 0x01, id_crc_error = 0x02, - data_am_error = 0x04, data_crc_error = 0x08, - no_data_error = 0x10, overrun_error = 0x20, -} error_cause; -static int stop_read_ahead; - - -static void print_error_cause(int cause) -{ - TRACE_FUN(ft_t_any); - - switch (cause) { - case no_data_error: - TRACE(ft_t_noise, "no data error"); - break; - case id_am_error: - TRACE(ft_t_noise, "id am error"); - break; - case id_crc_error: - TRACE(ft_t_noise, "id crc error"); - break; - case data_am_error: - TRACE(ft_t_noise, "data am error"); - break; - case data_crc_error: - TRACE(ft_t_noise, "data crc error"); - break; - case overrun_error: - TRACE(ft_t_noise, "overrun error"); - break; - default:; - } - TRACE_EXIT; -} - -static char *fdc_mode_txt(fdc_mode_enum mode) -{ - switch (mode) { - case fdc_idle: - return "fdc_idle"; - case fdc_reading_data: - return "fdc_reading_data"; - case fdc_seeking: - return "fdc_seeking"; - case fdc_writing_data: - return "fdc_writing_data"; - case fdc_reading_id: - return "fdc_reading_id"; - case fdc_recalibrating: - return "fdc_recalibrating"; - case fdc_formatting: - return "fdc_formatting"; - case fdc_verifying: - return "fdc_verifying"; - default: - return "unknown"; - } -} - -static inline error_cause decode_irq_cause(fdc_mode_enum mode, __u8 st[]) -{ - error_cause cause = no_error; - TRACE_FUN(ft_t_any); - - /* Valid st[], decode cause of interrupt. - */ - switch (st[0] & ST0_INT_MASK) { - case FDC_INT_NORMAL: - TRACE(ft_t_fdc_dma,"normal completion: %s",fdc_mode_txt(mode)); - break; - case FDC_INT_ABNORMAL: - TRACE(ft_t_flow, "abnormal completion %s", fdc_mode_txt(mode)); - TRACE(ft_t_fdc_dma, "ST0: 0x%02x, ST1: 0x%02x, ST2: 0x%02x", - st[0], st[1], st[2]); - TRACE(ft_t_fdc_dma, - "C: 0x%02x, H: 0x%02x, R: 0x%02x, N: 0x%02x", - st[3], st[4], st[5], st[6]); - if (st[1] & 0x01) { - if (st[2] & 0x01) { - cause = data_am_error; - } else { - cause = id_am_error; - } - } else if (st[1] & 0x20) { - if (st[2] & 0x20) { - cause = data_crc_error; - } else { - cause = id_crc_error; - } - } else if (st[1] & 0x04) { - cause = no_data_error; - } else if (st[1] & 0x10) { - cause = overrun_error; - } - print_error_cause(cause); - break; - case FDC_INT_INVALID: - TRACE(ft_t_flow, "invalid completion %s", fdc_mode_txt(mode)); - break; - case FDC_INT_READYCH: - if (st[0] & ST0_SEEK_END) { - TRACE(ft_t_flow, "drive poll completed"); - } else { - TRACE(ft_t_flow, "ready change %s",fdc_mode_txt(mode)); - } - break; - default: - break; - } - TRACE_EXIT cause; -} - -static void update_history(error_cause cause) -{ - switch (cause) { - case id_am_error: - ft_history.id_am_errors++; - break; - case id_crc_error: - ft_history.id_crc_errors++; - break; - case data_am_error: - ft_history.data_am_errors++; - break; - case data_crc_error: - ft_history.data_crc_errors++; - break; - case overrun_error: - ft_history.overrun_errors++; - break; - case no_data_error: - ft_history.no_data_errors++; - break; - default:; - } -} - -static void skip_bad_sector(buffer_struct * buff) -{ - TRACE_FUN(ft_t_any); - - /* Mark sector as soft error and skip it - */ - if (buff->remaining > 0) { - ++buff->sector_offset; - ++buff->data_offset; - --buff->remaining; - buff->ptr += FT_SECTOR_SIZE; - buff->bad_sector_map >>= 1; - } else { - /* Hey, what is this????????????? C code: if we shift - * more than 31 bits, we get no shift. That's bad!!!!!! - */ - ++buff->sector_offset; /* hack for error maps */ - TRACE(ft_t_warn, "skipping last sector in segment"); - } - TRACE_EXIT; -} - -static void update_error_maps(buffer_struct * buff, unsigned int error_offset) -{ - int hard = 0; - TRACE_FUN(ft_t_any); - - if (buff->retry < FT_SOFT_RETRIES) { - buff->soft_error_map |= (1 << error_offset); - } else { - buff->hard_error_map |= (1 << error_offset); - buff->soft_error_map &= ~buff->hard_error_map; - buff->retry = -1; /* will be set to 0 in setup_segment */ - hard = 1; - } - TRACE(ft_t_noise, "sector %d : %s error\n" - KERN_INFO "hard map: 0x%08lx\n" - KERN_INFO "soft map: 0x%08lx", - FT_SECTOR(error_offset), hard ? "hard" : "soft", - (long) buff->hard_error_map, (long) buff->soft_error_map); - TRACE_EXIT; -} - -static void print_progress(buffer_struct *buff, error_cause cause) -{ - TRACE_FUN(ft_t_any); - - switch (cause) { - case no_error: - TRACE(ft_t_flow,"%d Sector(s) transferred", buff->sector_count); - break; - case no_data_error: - TRACE(ft_t_flow, "Sector %d not found", - FT_SECTOR(buff->sector_offset)); - break; - case overrun_error: - /* got an overrun error on the first byte, must be a - * hardware problem - */ - TRACE(ft_t_bug, - "Unexpected error: failing DMA or FDC controller ?"); - break; - case data_crc_error: - TRACE(ft_t_flow, "Error in sector %d", - FT_SECTOR(buff->sector_offset - 1)); - break; - case id_crc_error: - case id_am_error: - case data_am_error: - TRACE(ft_t_flow, "Error in sector %d", - FT_SECTOR(buff->sector_offset)); - break; - default: - TRACE(ft_t_flow, "Unexpected error at sector %d", - FT_SECTOR(buff->sector_offset)); - break; - } - TRACE_EXIT; -} - -/* - * Error cause: Amount xferred: Action: - * - * id_am_error 0 mark bad and skip - * id_crc_error 0 mark bad and skip - * data_am_error 0 mark bad and skip - * data_crc_error % 1024 mark bad and skip - * no_data_error 0 retry on write - * mark bad and skip on read - * overrun_error [ 0..all-1 ] mark bad and skip - * no_error all continue - */ - -/* the arg `sector' is returned by the fdc and tells us at which sector we - * are positioned at (relative to starting sector of segment) - */ -static void determine_verify_progress(buffer_struct *buff, - error_cause cause, - __u8 sector) -{ - TRACE_FUN(ft_t_any); - - if (cause == no_error && sector == 1) { - buff->sector_offset = FT_SECTORS_PER_SEGMENT; - buff->remaining = 0; - if (TRACE_LEVEL >= ft_t_flow) { - print_progress(buff, cause); - } - } else { - buff->sector_offset = sector - buff->sect; - buff->remaining = FT_SECTORS_PER_SEGMENT - buff->sector_offset; - TRACE(ft_t_noise, "%ssector offset: 0x%04x", - (cause == no_error) ? "unexpected " : "", - buff->sector_offset); - switch (cause) { - case overrun_error: - break; -#if 0 - case no_data_error: - buff->retry = FT_SOFT_RETRIES; - if (buff->hard_error_map && - buff->sector_offset > 1 && - (buff->hard_error_map & - (1 << (buff->sector_offset-2)))) { - buff->retry --; - } - break; -#endif - default: - buff->retry = FT_SOFT_RETRIES; - break; - } - if (TRACE_LEVEL >= ft_t_flow) { - print_progress(buff, cause); - } - /* Sector_offset points to the problem area Now adjust - * sector_offset so it always points one past he failing - * sector. I.e. skip the bad sector. - */ - ++buff->sector_offset; - --buff->remaining; - update_error_maps(buff, buff->sector_offset - 1); - } - TRACE_EXIT; -} - -static void determine_progress(buffer_struct *buff, - error_cause cause, - __u8 sector) -{ - unsigned int dma_residue; - TRACE_FUN(ft_t_any); - - /* Using less preferred order of disable_dma and - * get_dma_residue because this seems to fail on at least one - * system if reversed! - */ - dma_residue = get_dma_residue(fdc.dma); - disable_dma(fdc.dma); - if (cause != no_error || dma_residue != 0) { - TRACE(ft_t_noise, "%sDMA residue: 0x%04x", - (cause == no_error) ? "unexpected " : "", - dma_residue); - /* adjust to actual value: */ - if (dma_residue == 0) { - /* this happens sometimes with overrun errors. - * I don't know whether we could ignore the - * overrun error. Play save. - */ - buff->sector_count --; - } else { - buff->sector_count -= ((dma_residue + - (FT_SECTOR_SIZE - 1)) / - FT_SECTOR_SIZE); - } - } - /* Update var's influenced by the DMA operation. - */ - if (buff->sector_count > 0) { - buff->sector_offset += buff->sector_count; - buff->data_offset += buff->sector_count; - buff->ptr += (buff->sector_count * - FT_SECTOR_SIZE); - buff->remaining -= buff->sector_count; - buff->bad_sector_map >>= buff->sector_count; - } - if (TRACE_LEVEL >= ft_t_flow) { - print_progress(buff, cause); - } - if (cause != no_error) { - if (buff->remaining == 0) { - TRACE(ft_t_warn, "foo?\n" - KERN_INFO "count : %d\n" - KERN_INFO "offset: %d\n" - KERN_INFO "soft : %08x\n" - KERN_INFO "hard : %08x", - buff->sector_count, - buff->sector_offset, - buff->soft_error_map, - buff->hard_error_map); - } - /* Sector_offset points to the problem area, except if we got - * a data_crc_error. In that case it points one past the - * failing sector. - * - * Now adjust sector_offset so it always points one past he - * failing sector. I.e. skip the bad sector. - */ - if (cause != data_crc_error) { - skip_bad_sector(buff); - } - update_error_maps(buff, buff->sector_offset - 1); - } - TRACE_EXIT; -} - -static int calc_steps(int cmd) -{ - if (ftape_current_cylinder > cmd) { - return ftape_current_cylinder - cmd; - } else { - return ftape_current_cylinder + cmd; - } -} - -static void pause_tape(int retry, int mode) -{ - int result; - __u8 out[3] = {FDC_SEEK, ft_drive_sel, 0}; - TRACE_FUN(ft_t_any); - - /* We'll use a raw seek command to get the tape to rewind and - * stop for a retry. - */ - ++ft_history.rewinds; - if (qic117_cmds[ftape_current_command].non_intr) { - TRACE(ft_t_warn, "motion command may be issued too soon"); - } - if (retry && (mode == fdc_reading_data || - mode == fdc_reading_id || - mode == fdc_verifying)) { - ftape_current_command = QIC_MICRO_STEP_PAUSE; - ftape_might_be_off_track = 1; - } else { - ftape_current_command = QIC_PAUSE; - } - out[2] = calc_steps(ftape_current_command); - result = fdc_command(out, 3); /* issue QIC_117 command */ - ftape_current_cylinder = out[ 2]; - if (result < 0) { - TRACE(ft_t_noise, "qic-pause failed, status = %d", result); - } else { - ft_location.known = 0; - ft_runner_status = idle; - ft_hide_interrupt = 1; - ftape_tape_running = 0; - } - TRACE_EXIT; -} - -static void continue_xfer(buffer_struct *buff, - fdc_mode_enum mode, - unsigned int skip) -{ - int write = 0; - TRACE_FUN(ft_t_any); - - if (mode == fdc_writing_data || mode == fdc_deleting) { - write = 1; - } - /* This part can be removed if it never happens - */ - if (skip > 0 && - (ft_runner_status != running || - (write && (buff->status != writing)) || - (!write && (buff->status != reading && - buff->status != verifying)))) { - TRACE(ft_t_err, "unexpected runner/buffer state %d/%d", - ft_runner_status, buff->status); - buff->status = error; - /* finish this buffer: */ - (void)ftape_next_buffer(ft_queue_head); - ft_runner_status = aborting; - fdc_mode = fdc_idle; - } else if (buff->remaining > 0 && ftape_calc_next_cluster(buff) > 0) { - /* still sectors left in current segment, continue - * with this segment - */ - if (fdc_setup_read_write(buff, mode) < 0) { - /* failed, abort operation - */ - buff->bytes = buff->ptr - buff->address; - buff->status = error; - /* finish this buffer: */ - (void)ftape_next_buffer(ft_queue_head); - ft_runner_status = aborting; - fdc_mode = fdc_idle; - } - } else { - /* current segment completed - */ - unsigned int last_segment = buff->segment_id; - int eot = ((last_segment + 1) % ft_segments_per_track) == 0; - unsigned int next = buff->next_segment; /* 0 means stop ! */ - - buff->bytes = buff->ptr - buff->address; - buff->status = done; - buff = ftape_next_buffer(ft_queue_head); - if (eot) { - /* finished last segment on current track, - * can't continue - */ - ft_runner_status = logical_eot; - fdc_mode = fdc_idle; - TRACE_EXIT; - } - if (next <= 0) { - /* don't continue with next segment - */ - TRACE(ft_t_noise, "no %s allowed, stopping tape", - (write) ? "write next" : "read ahead"); - pause_tape(0, mode); - ft_runner_status = idle; /* not quite true until - * next irq - */ - TRACE_EXIT; - } - /* continue with next segment - */ - if (buff->status != waiting) { - TRACE(ft_t_noise, "all input buffers %s, pausing tape", - (write) ? "empty" : "full"); - pause_tape(0, mode); - ft_runner_status = idle; /* not quite true until - * next irq - */ - TRACE_EXIT; - } - if (write && next != buff->segment_id) { - TRACE(ft_t_noise, - "segments out of order, aborting write"); - ft_runner_status = do_abort; - fdc_mode = fdc_idle; - TRACE_EXIT; - } - ftape_setup_new_segment(buff, next, 0); - if (stop_read_ahead) { - buff->next_segment = 0; - stop_read_ahead = 0; - } - if (ftape_calc_next_cluster(buff) == 0 || - fdc_setup_read_write(buff, mode) != 0) { - TRACE(ft_t_err, "couldn't start %s-ahead", - write ? "write" : "read"); - ft_runner_status = do_abort; - fdc_mode = fdc_idle; - } else { - /* keep on going */ - switch (ft_driver_state) { - case reading: buff->status = reading; break; - case verifying: buff->status = verifying; break; - case writing: buff->status = writing; break; - case deleting: buff->status = deleting; break; - default: - TRACE(ft_t_err, - "BUG: ft_driver_state %d should be one out of " - "{reading, writing, verifying, deleting}", - ft_driver_state); - buff->status = write ? writing : reading; - break; - } - } - } - TRACE_EXIT; -} - -static void retry_sector(buffer_struct *buff, - int mode, - unsigned int skip) -{ - TRACE_FUN(ft_t_any); - - TRACE(ft_t_noise, "%s error, will retry", - (mode == fdc_writing_data || mode == fdc_deleting) ? "write" : "read"); - pause_tape(1, mode); - ft_runner_status = aborting; - buff->status = error; - buff->skip = skip; - TRACE_EXIT; -} - -static unsigned int find_resume_point(buffer_struct *buff) -{ - int i = 0; - SectorMap mask; - SectorMap map; - TRACE_FUN(ft_t_any); - - /* This function is to be called after all variables have been - * updated to point past the failing sector. - * If there are any soft errors before the failing sector, - * find the first soft error and return the sector offset. - * Otherwise find the last hard error. - * Note: there should always be at least one hard or soft error ! - */ - if (buff->sector_offset < 1 || buff->sector_offset > 32) { - TRACE(ft_t_bug, "BUG: sector_offset = %d", - buff->sector_offset); - TRACE_EXIT 0; - } - if (buff->sector_offset >= 32) { /* C-limitation on shift ! */ - mask = 0xffffffff; - } else { - mask = (1 << buff->sector_offset) - 1; - } - map = buff->soft_error_map & mask; - if (map) { - while ((map & (1 << i)) == 0) { - ++i; - } - TRACE(ft_t_noise, "at sector %d", FT_SECTOR(i)); - } else { - map = buff->hard_error_map & mask; - i = buff->sector_offset - 1; - if (map) { - while ((map & (1 << i)) == 0) { - --i; - } - TRACE(ft_t_noise, "after sector %d", FT_SECTOR(i)); - ++i; /* first sector after last hard error */ - } else { - TRACE(ft_t_bug, "BUG: no soft or hard errors"); - } - } - TRACE_EXIT i; -} - -/* check possible dma residue when formatting, update position record in - * buffer struct. This is, of course, modelled after determine_progress(), but - * we don't need to set up for retries because the format process cannot be - * interrupted (except at the end of the tape track). - */ -static int determine_fmt_progress(buffer_struct *buff, error_cause cause) -{ - unsigned int dma_residue; - TRACE_FUN(ft_t_any); - - /* Using less preferred order of disable_dma and - * get_dma_residue because this seems to fail on at least one - * system if reversed! - */ - dma_residue = get_dma_residue(fdc.dma); - disable_dma(fdc.dma); - if (cause != no_error || dma_residue != 0) { - TRACE(ft_t_info, "DMA residue = 0x%04x", dma_residue); - fdc_mode = fdc_idle; - switch(cause) { - case no_error: - ft_runner_status = aborting; - buff->status = idle; - break; - case overrun_error: - /* got an overrun error on the first byte, must be a - * hardware problem - */ - TRACE(ft_t_bug, - "Unexpected error: failing DMA controller ?"); - ft_runner_status = do_abort; - buff->status = error; - break; - default: - TRACE(ft_t_noise, "Unexpected error at segment %d", - buff->segment_id); - ft_runner_status = do_abort; - buff->status = error; - break; - } - TRACE_EXIT -EIO; /* can only retry entire track in format mode - */ - } - /* Update var's influenced by the DMA operation. - */ - buff->ptr += FT_SECTORS_PER_SEGMENT * 4; - buff->bytes -= FT_SECTORS_PER_SEGMENT * 4; - buff->remaining -= FT_SECTORS_PER_SEGMENT; - buff->segment_id ++; /* done with segment */ - TRACE_EXIT 0; -} - -/* - * Continue formatting, switch buffers if there is no data left in - * current buffer. This is, of course, modelled after - * continue_xfer(), but we don't need to set up for retries because - * the format process cannot be interrupted (except at the end of the - * tape track). - */ -static void continue_formatting(buffer_struct *buff) -{ - TRACE_FUN(ft_t_any); - - if (buff->remaining <= 0) { /* no space left in dma buffer */ - unsigned int next = buff->next_segment; - - if (next == 0) { /* end of tape track */ - buff->status = done; - ft_runner_status = logical_eot; - fdc_mode = fdc_idle; - TRACE(ft_t_noise, "Done formatting track %d", - ft_location.track); - TRACE_EXIT; - } - /* - * switch to next buffer! - */ - buff->status = done; - buff = ftape_next_buffer(ft_queue_head); - - if (buff->status != waiting || next != buff->segment_id) { - goto format_setup_error; - } - } - if (fdc_setup_formatting(buff) < 0) { - goto format_setup_error; - } - buff->status = formatting; - TRACE(ft_t_fdc_dma, "Formatting segment %d on track %d", - buff->segment_id, ft_location.track); - TRACE_EXIT; - format_setup_error: - ft_runner_status = do_abort; - fdc_mode = fdc_idle; - buff->status = error; - TRACE(ft_t_err, "Error setting up for segment %d on track %d", - buff->segment_id, ft_location.track); - TRACE_EXIT; - -} - -/* this handles writing, read id, reading and formatting - */ -static void handle_fdc_busy(buffer_struct *buff) -{ - static int no_data_error_count; - int retry = 0; - error_cause cause; - __u8 in[7]; - int skip; - fdc_mode_enum fmode = fdc_mode; - TRACE_FUN(ft_t_any); - - if (fdc_result(in, 7) < 0) { /* better get it fast ! */ - TRACE(ft_t_err, - "Probably fatal error during FDC Result Phase\n" - KERN_INFO - "drive may hang until (power on) reset :-("); - /* what to do next ???? - */ - TRACE_EXIT; - } - cause = decode_irq_cause(fdc_mode, in); -#ifdef TESTING - { int i; - for (i = 0; i < (int)ft_nr_buffers; ++i) - TRACE(ft_t_any, "buffer[%d] status: %d, segment_id: %d", - i, ft_buffer[i]->status, ft_buffer[i]->segment_id); - } -#endif - if (fmode == fdc_reading_data && ft_driver_state == verifying) { - fmode = fdc_verifying; - } - switch (fmode) { - case fdc_verifying: - if (ft_runner_status == aborting || - ft_runner_status == do_abort) { - TRACE(ft_t_noise,"aborting %s",fdc_mode_txt(fdc_mode)); - break; - } - if (buff->retry > 0) { - TRACE(ft_t_flow, "this is retry nr %d", buff->retry); - } - switch (cause) { - case no_error: - no_data_error_count = 0; - determine_verify_progress(buff, cause, in[5]); - if (in[2] & 0x40) { - /* This should not happen when verifying - */ - TRACE(ft_t_warn, - "deleted data in segment %d/%d", - buff->segment_id, - FT_SECTOR(buff->sector_offset - 1)); - buff->remaining = 0; /* abort transfer */ - buff->hard_error_map = EMPTY_SEGMENT; - skip = 1; - } else { - skip = 0; - } - continue_xfer(buff, fdc_mode, skip); - break; - case no_data_error: - no_data_error_count ++; - case overrun_error: - retry ++; - case id_am_error: - case id_crc_error: - case data_am_error: - case data_crc_error: - determine_verify_progress(buff, cause, in[5]); - if (cause == no_data_error) { - if (no_data_error_count >= 2) { - TRACE(ft_t_warn, - "retrying because of successive " - "no data errors"); - no_data_error_count = 0; - } else { - retry --; - } - } else { - no_data_error_count = 0; - } - if (retry) { - skip = find_resume_point(buff); - } else { - skip = buff->sector_offset; - } - if (retry && skip < 32) { - retry_sector(buff, fdc_mode, skip); - } else { - continue_xfer(buff, fdc_mode, skip); - } - update_history(cause); - break; - default: - /* Don't know why this could happen - * but find out. - */ - determine_verify_progress(buff, cause, in[5]); - retry_sector(buff, fdc_mode, 0); - TRACE(ft_t_err, "Error: unexpected error"); - break; - } - break; - case fdc_reading_data: -#ifdef TESTING - /* I'm sorry, but: NOBODY ever used this trace - * messages for ages. I guess that Bas was the last person - * that ever really used this (thank you, between the lines) - */ - if (cause == no_error) { - TRACE(ft_t_flow,"reading segment %d",buff->segment_id); - } else { - TRACE(ft_t_noise, "error reading segment %d", - buff->segment_id); - TRACE(ft_t_noise, "\n" - KERN_INFO - "IRQ:C: 0x%02x, H: 0x%02x, R: 0x%02x, N: 0x%02x\n" - KERN_INFO - "BUF:C: 0x%02x, H: 0x%02x, R: 0x%02x", - in[3], in[4], in[5], in[6], - buff->cyl, buff->head, buff->sect); - } -#endif - if (ft_runner_status == aborting || - ft_runner_status == do_abort) { - TRACE(ft_t_noise,"aborting %s",fdc_mode_txt(fdc_mode)); - break; - } - if (buff->bad_sector_map == FAKE_SEGMENT) { - /* This condition occurs when reading a `fake' - * sector that's not accessible. Doesn't - * really matter as we would have ignored it - * anyway ! - * - * Chance is that we're past the next segment - * now, so the next operation may fail and - * result in a retry. - */ - buff->remaining = 0; /* skip failing sector */ - /* buff->ptr = buff->address; */ - /* fake success: */ - continue_xfer(buff, fdc_mode, 1); - /* trace calls are expensive: place them AFTER - * the real stuff has been done. - * - */ - TRACE(ft_t_noise, "skipping empty segment %d (read), size? %d", - buff->segment_id, buff->ptr - buff->address); - TRACE_EXIT; - } - if (buff->retry > 0) { - TRACE(ft_t_flow, "this is retry nr %d", buff->retry); - } - switch (cause) { - case no_error: - determine_progress(buff, cause, in[5]); - if (in[2] & 0x40) { - /* Handle deleted data in header segments. - * Skip segment and force read-ahead. - */ - TRACE(ft_t_warn, - "deleted data in segment %d/%d", - buff->segment_id, - FT_SECTOR(buff->sector_offset - 1)); - buff->deleted = 1; - buff->remaining = 0;/*abort transfer */ - buff->soft_error_map |= - (-1L << buff->sector_offset); - if (buff->segment_id == 0) { - /* stop on next segment */ - stop_read_ahead = 1; - } - /* force read-ahead: */ - buff->next_segment = - buff->segment_id + 1; - skip = (FT_SECTORS_PER_SEGMENT - - buff->sector_offset); - } else { - skip = 0; - } - continue_xfer(buff, fdc_mode, skip); - break; - case no_data_error: - /* Tape started too far ahead of or behind the - * right sector. This may also happen in the - * middle of a segment ! - * - * Handle no-data as soft error. If next - * sector fails too, a retry (with needed - * reposition) will follow. - */ - retry ++; - case id_am_error: - case id_crc_error: - case data_am_error: - case data_crc_error: - case overrun_error: - retry += (buff->soft_error_map != 0 || - buff->hard_error_map != 0); - determine_progress(buff, cause, in[5]); -#if 1 || defined(TESTING) - if (cause == overrun_error) retry ++; -#endif - if (retry) { - skip = find_resume_point(buff); - } else { - skip = buff->sector_offset; - } - /* Try to resume with next sector on single - * errors (let ecc correct it), but retry on - * no_data (we'll be past the target when we - * get here so we cannot retry) or on - * multiple errors (reduce chance on ecc - * failure). - */ - /* cH: 23/02/97: if the last sector in the - * segment was a hard error, then there is - * no sense in a retry. This occasion seldom - * occurs but ... @:³²¸`@%&§$ - */ - if (retry && skip < 32) { - retry_sector(buff, fdc_mode, skip); - } else { - continue_xfer(buff, fdc_mode, skip); - } - update_history(cause); - break; - default: - /* Don't know why this could happen - * but find out. - */ - determine_progress(buff, cause, in[5]); - retry_sector(buff, fdc_mode, 0); - TRACE(ft_t_err, "Error: unexpected error"); - break; - } - break; - case fdc_reading_id: - if (cause == no_error) { - fdc_cyl = in[3]; - fdc_head = in[4]; - fdc_sect = in[5]; - TRACE(ft_t_fdc_dma, - "id read: C: 0x%02x, H: 0x%02x, R: 0x%02x", - fdc_cyl, fdc_head, fdc_sect); - } else { /* no valid information, use invalid sector */ - fdc_cyl = fdc_head = fdc_sect = 0; - TRACE(ft_t_flow, "Didn't find valid sector Id"); - } - fdc_mode = fdc_idle; - break; - case fdc_deleting: - case fdc_writing_data: -#ifdef TESTING - if (cause == no_error) { - TRACE(ft_t_flow, "writing segment %d", buff->segment_id); - } else { - TRACE(ft_t_noise, "error writing segment %d", - buff->segment_id); - } -#endif - if (ft_runner_status == aborting || - ft_runner_status == do_abort) { - TRACE(ft_t_flow, "aborting %s",fdc_mode_txt(fdc_mode)); - break; - } - if (buff->retry > 0) { - TRACE(ft_t_flow, "this is retry nr %d", buff->retry); - } - if (buff->bad_sector_map == FAKE_SEGMENT) { - /* This condition occurs when trying to write to a - * `fake' sector that's not accessible. Doesn't really - * matter as it isn't used anyway ! Might be located - * at wrong segment, then we'll fail on the next - * segment. - */ - TRACE(ft_t_noise, "skipping empty segment (write)"); - buff->remaining = 0; /* skip failing sector */ - /* fake success: */ - continue_xfer(buff, fdc_mode, 1); - break; - } - switch (cause) { - case no_error: - determine_progress(buff, cause, in[5]); - continue_xfer(buff, fdc_mode, 0); - break; - case no_data_error: - case id_am_error: - case id_crc_error: - case data_am_error: - case overrun_error: - update_history(cause); - determine_progress(buff, cause, in[5]); - skip = find_resume_point(buff); - retry_sector(buff, fdc_mode, skip); - break; - default: - if (in[1] & 0x02) { - TRACE(ft_t_err, "media not writable"); - } else { - TRACE(ft_t_bug, "unforeseen write error"); - } - fdc_mode = fdc_idle; - break; - } - break; /* fdc_deleting || fdc_writing_data */ - case fdc_formatting: - /* The interrupt comes after formatting a segment. We then - * have to set up QUICKLY for the next segment. But - * afterwards, there is plenty of time. - */ - switch (cause) { - case no_error: - /* would like to keep most of the formatting stuff - * outside the isr code, but timing is too critical - */ - if (determine_fmt_progress(buff, cause) >= 0) { - continue_formatting(buff); - } - break; - case no_data_error: - case id_am_error: - case id_crc_error: - case data_am_error: - case overrun_error: - default: - determine_fmt_progress(buff, cause); - update_history(cause); - if (in[1] & 0x02) { - TRACE(ft_t_err, "media not writable"); - } else { - TRACE(ft_t_bug, "unforeseen write error"); - } - break; - } /* cause */ - break; - default: - TRACE(ft_t_warn, "Warning: unexpected irq during: %s", - fdc_mode_txt(fdc_mode)); - fdc_mode = fdc_idle; - break; - } - TRACE_EXIT; -} - -/* FDC interrupt service routine. - */ -void fdc_isr(void) -{ - static int isr_active; -#ifdef TESTING - unsigned int t0 = ftape_timestamp(); -#endif - TRACE_FUN(ft_t_any); - - if (isr_active++) { - --isr_active; - TRACE(ft_t_bug, "BUG: nested interrupt, not good !"); - *fdc.hook = fdc_isr; /* hook our handler into the fdc - * code again - */ - TRACE_EXIT; - } - sti(); - if (inb_p(fdc.msr) & FDC_BUSY) { /* Entering Result Phase */ - ft_hide_interrupt = 0; - handle_fdc_busy(ftape_get_buffer(ft_queue_head)); - if (ft_runner_status == do_abort) { - /* cease operation, remember tape position - */ - TRACE(ft_t_flow, "runner aborting"); - ft_runner_status = aborting; - ++ft_expected_stray_interrupts; - } - } else { /* !FDC_BUSY */ - /* clear interrupt, cause should be gotten by issuing - * a Sense Interrupt Status command. - */ - if (fdc_mode == fdc_recalibrating || fdc_mode == fdc_seeking) { - if (ft_hide_interrupt) { - int st0; - int pcn; - - if (fdc_sense_interrupt_status(&st0, &pcn) < 0) - TRACE(ft_t_err, - "sense interrupt status failed"); - ftape_current_cylinder = pcn; - TRACE(ft_t_flow, "handled hidden interrupt"); - } - ft_seek_completed = 1; - fdc_mode = fdc_idle; - } else if (!waitqueue_active(&ftape_wait_intr)) { - if (ft_expected_stray_interrupts == 0) { - TRACE(ft_t_warn, "unexpected stray interrupt"); - } else { - TRACE(ft_t_flow, "expected stray interrupt"); - --ft_expected_stray_interrupts; - } - } else { - if (fdc_mode == fdc_reading_data || - fdc_mode == fdc_verifying || - fdc_mode == fdc_writing_data || - fdc_mode == fdc_deleting || - fdc_mode == fdc_formatting || - fdc_mode == fdc_reading_id) { - if (inb_p(fdc.msr) & FDC_BUSY) { - TRACE(ft_t_bug, - "***** FDC failure, busy too late"); - } else { - TRACE(ft_t_bug, - "***** FDC failure, no busy"); - } - } else { - TRACE(ft_t_fdc_dma, "awaited stray interrupt"); - } - } - ft_hide_interrupt = 0; - } - /* Handle sleep code. - */ - if (!ft_hide_interrupt) { - ft_interrupt_seen ++; - if (waitqueue_active(&ftape_wait_intr)) { - wake_up_interruptible(&ftape_wait_intr); - } - } else { - TRACE(ft_t_flow, "hiding interrupt while %s", - waitqueue_active(&ftape_wait_intr) ? "waiting":"active"); - } -#ifdef TESTING - t0 = ftape_timediff(t0, ftape_timestamp()); - if (t0 >= 1000) { - /* only tell us about long calls */ - TRACE(ft_t_noise, "isr() duration: %5d usec", t0); - } -#endif - *fdc.hook = fdc_isr; /* hook our handler into the fdc code again */ - --isr_active; - TRACE_EXIT; -} diff --git a/drivers/char/ftape/lowlevel/fdc-isr.h b/drivers/char/ftape/lowlevel/fdc-isr.h deleted file mode 100644 index 065aa978942..00000000000 --- a/drivers/char/ftape/lowlevel/fdc-isr.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef _FDC_ISR_H -#define _FDC_ISR_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/fdc-isr.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:07 $ - * - * This file declares the global variables necessary to - * synchronize the interrupt service routine (isr) with the - * remainder of the QIC-40/80/3010/3020 floppy-tape driver - * "ftape" for Linux. - */ - -/* - * fdc-isr.c defined public variables - */ -extern volatile int ft_expected_stray_interrupts; /* masks stray interrupts */ -extern volatile int ft_seek_completed; /* flag set by isr */ -extern volatile int ft_interrupt_seen; /* flag set by isr */ -extern volatile int ft_hide_interrupt; /* flag set by isr */ - -/* - * fdc-io.c defined public functions - */ -extern void fdc_isr(void); - -/* - * A kernel hook that steals one interrupt from the floppy - * driver (Should be fixed when the new fdc driver gets ready) - * See the linux kernel source files: - * drivers/block/floppy.c & drivers/block/blk.h - * for the details. - */ -extern void (*do_floppy) (void); - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-bsm.c b/drivers/char/ftape/lowlevel/ftape-bsm.c deleted file mode 100644 index d1a301cc344..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-bsm.c +++ /dev/null @@ -1,491 +0,0 @@ -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (C) 1996-1997 Claus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-bsm.c,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/05 19:15:15 $ - * - * This file contains the bad-sector map handling code for - * the QIC-117 floppy tape driver for Linux. - * QIC-40, QIC-80, QIC-3010 and QIC-3020 maps are implemented. - */ - -#include - -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-bsm.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" - -/* Global vars. - */ - -/* Local vars. - */ -static __u8 *bad_sector_map; -static SectorCount *bsm_hash_ptr; - -typedef enum { - forward, backward -} mode_type; - -#if 0 -static void ftape_put_bad_sector_entry(int segment_id, SectorMap new_map); -#endif - -#if 0 -/* fix_tape converts a normal QIC-80 tape into a 'wide' tape. - * For testing purposes only ! - */ -void fix_tape(__u8 * buffer, ft_format_type new_code) -{ - static __u8 list[BAD_SECTOR_MAP_SIZE]; - SectorMap *src_ptr = (SectorMap *) list; - __u8 *dst_ptr = bad_sector_map; - SectorMap map; - unsigned int sector = 1; - int i; - - if (format_code != fmt_var && format_code != fmt_big) { - memcpy(list, bad_sector_map, sizeof(list)); - memset(bad_sector_map, 0, sizeof(bad_sector_map)); - while ((__u8 *) src_ptr - list < sizeof(list)) { - map = *src_ptr++; - if (map == EMPTY_SEGMENT) { - *(SectorMap *) dst_ptr = 0x800000 + sector; - dst_ptr += 3; - sector += SECTORS_PER_SEGMENT; - } else { - for (i = 0; i < SECTORS_PER_SEGMENT; ++i) { - if (map & 1) { - *(SewctorMap *) dst_ptr = sector; - dst_ptr += 3; - } - map >>= 1; - ++sector; - } - } - } - } - bad_sector_map_changed = 1; - *(buffer + 4) = new_code; /* put new format code */ - if (format_code != fmt_var && new_code == fmt_big) { - PUT4(buffer, FT_6_HSEG_1, (__u32)GET2(buffer, 6)); - PUT4(buffer, FT_6_HSEG_2, (__u32)GET2(buffer, 8)); - PUT4(buffer, FT_6_FRST_SEG, (__u32)GET2(buffer, 10)); - PUT4(buffer, FT_6_LAST_SEG, (__u32)GET2(buffer, 12)); - memset(buffer+6, '\0', 8); - } - format_code = new_code; -} - -#endif - -/* given buffer that contains a header segment, find the end of - * of the bsm list - */ -__u8 * ftape_find_end_of_bsm_list(__u8 * address) -{ - __u8 *ptr = address + FT_HEADER_END; /* start of bsm list */ - __u8 *limit = address + FT_SEGMENT_SIZE; - while (ptr + 2 < limit) { - if (ptr[0] || ptr[1] || ptr[2]) { - ptr += 3; - } else { - return ptr; - } - } - return NULL; -} - -static inline void put_sector(SectorCount *ptr, unsigned int sector) -{ - ptr->bytes[0] = sector & 0xff; - sector >>= 8; - ptr->bytes[1] = sector & 0xff; - sector >>= 8; - ptr->bytes[2] = sector & 0xff; -} - -static inline unsigned int get_sector(SectorCount *ptr) -{ -#if 1 - unsigned int sector; - - sector = ptr->bytes[0]; - sector += ptr->bytes[1] << 8; - sector += ptr->bytes[2] << 16; - - return sector; -#else - /* GET4 gets the next four bytes in Intel little endian order - * and converts them to host byte order and handles unaligned - * access. - */ - return (GET4(ptr, 0) & 0x00ffffff); /* back to host byte order */ -#endif -} - -static void bsm_debug_fake(void) -{ - /* for testing of bad sector handling at end of tape - */ -#if 0 - ftape_put_bad_sector_entry(segments_per_track * tracks_per_tape - 3, - 0x000003e0; - ftape_put_bad_sector_entry(segments_per_track * tracks_per_tape - 2, - 0xff3fffff; - ftape_put_bad_sector_entry(segments_per_track * tracks_per_tape - 1, - 0xffffe000; -#endif - /* Enable to test bad sector handling - */ -#if 0 - ftape_put_bad_sector_entry(30, 0xfffffffe) - ftape_put_bad_sector_entry(32, 0x7fffffff); - ftape_put_bad_sector_entry(34, 0xfffeffff); - ftape_put_bad_sector_entry(36, 0x55555555); - ftape_put_bad_sector_entry(38, 0xffffffff); - ftape_put_bad_sector_entry(50, 0xffff0000); - ftape_put_bad_sector_entry(51, 0xffffffff); - ftape_put_bad_sector_entry(52, 0xffffffff); - ftape_put_bad_sector_entry(53, 0x0000ffff); -#endif - /* Enable when testing multiple volume tar dumps. - */ -#if 0 - { - int i; - - for (i = ft_first_data_segment; - i <= ft_last_data_segment - 7; ++i) { - ftape_put_bad_sector_entry(i, EMPTY_SEGMENT); - } - } -#endif - /* Enable when testing bit positions in *_error_map - */ -#if 0 - { - int i; - - for (i = first_data_segment; i <= last_data_segment; ++i) { - ftape_put_bad_sector_entry(i, - ftape_get_bad_sector_entry(i) - | 0x00ff00ff); - } - } -#endif -} - -static void print_bad_sector_map(void) -{ - unsigned int good_sectors; - unsigned int total_bad = 0; - int i; - TRACE_FUN(ft_t_flow); - - if (ft_format_code == fmt_big || - ft_format_code == fmt_var || - ft_format_code == fmt_1100ft) { - SectorCount *ptr = (SectorCount *)bad_sector_map; - unsigned int sector; - __u16 *ptr16; - - while((sector = get_sector(ptr++)) != 0) { - if ((ft_format_code == fmt_big || - ft_format_code == fmt_var) && - sector & 0x800000) { - total_bad += FT_SECTORS_PER_SEGMENT - 3; - TRACE(ft_t_noise, "bad segment at sector: %6d", - sector & 0x7fffff); - } else { - ++total_bad; - TRACE(ft_t_noise, "bad sector: %6d", sector); - } - } - /* Display old ftape's end-of-file marks - */ - ptr16 = (__u16*)ptr; - while ((sector = get_unaligned(ptr16++)) != 0) { - TRACE(ft_t_noise, "Old ftape eof mark: %4d/%2d", - sector, get_unaligned(ptr16++)); - } - } else { /* fixed size format */ - for (i = ft_first_data_segment; - i < (int)(ft_segments_per_track * ft_tracks_per_tape); ++i) { - SectorMap map = ((SectorMap *) bad_sector_map)[i]; - - if (map) { - TRACE(ft_t_noise, - "bsm for segment %4d: 0x%08x", i, (unsigned int)map); - total_bad += ((map == EMPTY_SEGMENT) - ? FT_SECTORS_PER_SEGMENT - 3 - : count_ones(map)); - } - } - } - good_sectors = - ((ft_segments_per_track * ft_tracks_per_tape - ft_first_data_segment) - * (FT_SECTORS_PER_SEGMENT - 3)) - total_bad; - TRACE(ft_t_info, "%d Kb usable on this tape", good_sectors); - if (total_bad == 0) { - TRACE(ft_t_info, - "WARNING: this tape has no bad blocks registered !"); - } else { - TRACE(ft_t_info, "%d bad sectors", total_bad); - } - TRACE_EXIT; -} - - -void ftape_extract_bad_sector_map(__u8 * buffer) -{ - TRACE_FUN(ft_t_any); - - /* Fill the bad sector map with the contents of buffer. - */ - if (ft_format_code == fmt_var || ft_format_code == fmt_big) { - /* QIC-3010/3020 and wide QIC-80 tapes no longer have a failed - * sector log but use this area to extend the bad sector map. - */ - bad_sector_map = &buffer[FT_HEADER_END]; - } else { - /* non-wide QIC-80 tapes have a failed sector log area that - * mustn't be included in the bad sector map. - */ - bad_sector_map = &buffer[FT_FSL + FT_FSL_SIZE]; - } - if (ft_format_code == fmt_1100ft || - ft_format_code == fmt_var || - ft_format_code == fmt_big) { - bsm_hash_ptr = (SectorCount *)bad_sector_map; - } else { - bsm_hash_ptr = NULL; - } - bsm_debug_fake(); - if (TRACE_LEVEL >= ft_t_info) { - print_bad_sector_map(); - } - TRACE_EXIT; -} - -static inline SectorMap cvt2map(unsigned int sector) -{ - return 1 << (((sector & 0x7fffff) - 1) % FT_SECTORS_PER_SEGMENT); -} - -static inline int cvt2segment(unsigned int sector) -{ - return ((sector & 0x7fffff) - 1) / FT_SECTORS_PER_SEGMENT; -} - -static int forward_seek_entry(int segment_id, - SectorCount **ptr, - SectorMap *map) -{ - unsigned int sector; - int segment; - - do { - sector = get_sector((*ptr)++); - segment = cvt2segment(sector); - } while (sector != 0 && segment < segment_id); - (*ptr) --; /* point to first sector >= segment_id */ - /* Get all sectors in segment_id - */ - if (sector == 0 || segment != segment_id) { - *map = 0; - return 0; - } else if ((sector & 0x800000) && - (ft_format_code == fmt_var || ft_format_code == fmt_big)) { - *map = EMPTY_SEGMENT; - return FT_SECTORS_PER_SEGMENT; - } else { - int count = 1; - SectorCount *tmp_ptr = (*ptr) + 1; - - *map = cvt2map(sector); - while ((sector = get_sector(tmp_ptr++)) != 0 && - (segment = cvt2segment(sector)) == segment_id) { - *map |= cvt2map(sector); - ++count; - } - return count; - } -} - -static int backwards_seek_entry(int segment_id, - SectorCount **ptr, - SectorMap *map) -{ - unsigned int sector; - int segment; /* max unsigned int */ - - if (*ptr <= (SectorCount *)bad_sector_map) { - *map = 0; - return 0; - } - do { - sector = get_sector(--(*ptr)); - segment = cvt2segment(sector); - } while (*ptr > (SectorCount *)bad_sector_map && segment > segment_id); - if (segment > segment_id) { /* at start of list, no entry found */ - *map = 0; - return 0; - } else if (segment < segment_id) { - /* before smaller entry, adjust for overshoot */ - (*ptr) ++; - *map = 0; - return 0; - } else if ((sector & 0x800000) && - (ft_format_code == fmt_big || ft_format_code == fmt_var)) { - *map = EMPTY_SEGMENT; - return FT_SECTORS_PER_SEGMENT; - } else { /* get all sectors in segment_id */ - int count = 1; - - *map = cvt2map(sector); - while(*ptr > (SectorCount *)bad_sector_map) { - sector = get_sector(--(*ptr)); - segment = cvt2segment(sector); - if (segment != segment_id) { - break; - } - *map |= cvt2map(sector); - ++count; - } - if (segment < segment_id) { - (*ptr) ++; - } - return count; - } -} - -#if 0 -static void ftape_put_bad_sector_entry(int segment_id, SectorMap new_map) -{ - SectorCount *ptr = (SectorCount *)bad_sector_map; - int count; - int new_count; - SectorMap map; - TRACE_FUN(ft_t_any); - - if (ft_format_code == fmt_1100ft || - ft_format_code == fmt_var || - ft_format_code == fmt_big) { - count = forward_seek_entry(segment_id, &ptr, &map); - new_count = count_ones(new_map); - /* If format code == 4 put empty segment instead of 32 - * bad sectors. - */ - if (ft_format_code == fmt_var || ft_format_code == fmt_big) { - if (new_count == FT_SECTORS_PER_SEGMENT) { - new_count = 1; - } - if (count == FT_SECTORS_PER_SEGMENT) { - count = 1; - } - } - if (count != new_count) { - /* insert (or delete if < 0) new_count - count - * entries. Move trailing part of list - * including terminating 0. - */ - SectorCount *hi_ptr = ptr; - - do { - } while (get_sector(hi_ptr++) != 0); - /* Note: ptr is of type byte *, and each bad sector - * consumes 3 bytes. - */ - memmove(ptr + new_count, ptr + count, - (size_t)(hi_ptr - (ptr + count))*sizeof(SectorCount)); - } - TRACE(ft_t_noise, "putting map 0x%08x at %p, segment %d", - (unsigned int)new_map, ptr, segment_id); - if (new_count == 1 && new_map == EMPTY_SEGMENT) { - put_sector(ptr++, (0x800001 + - segment_id * - FT_SECTORS_PER_SEGMENT)); - } else { - int i = 0; - - while (new_map) { - if (new_map & 1) { - put_sector(ptr++, - 1 + segment_id * - FT_SECTORS_PER_SEGMENT + i); - } - ++i; - new_map >>= 1; - } - } - } else { - ((SectorMap *) bad_sector_map)[segment_id] = new_map; - } - TRACE_EXIT; -} -#endif /* 0 */ - -SectorMap ftape_get_bad_sector_entry(int segment_id) -{ - if (ft_used_header_segment == -1) { - /* When reading header segment we'll need a blank map. - */ - return 0; - } else if (bsm_hash_ptr != NULL) { - /* Invariants: - * map - mask value returned on last call. - * bsm_hash_ptr - points to first sector greater or equal to - * first sector in last_referenced segment. - * last_referenced - segment id used in the last call, - * sector and map belong to this id. - * This code is designed for sequential access and retries. - * For true random access it may have to be redesigned. - */ - static int last_reference = -1; - static SectorMap map; - - if (segment_id > last_reference) { - /* Skip all sectors before segment_id - */ - forward_seek_entry(segment_id, &bsm_hash_ptr, &map); - } else if (segment_id < last_reference) { - /* Skip backwards until begin of buffer or - * first sector in segment_id - */ - backwards_seek_entry(segment_id, &bsm_hash_ptr, &map); - } /* segment_id == last_reference : keep map */ - last_reference = segment_id; - return map; - } else { - return ((SectorMap *) bad_sector_map)[segment_id]; - } -} - -/* This is simply here to prevent us from overwriting other kernel - * data. Writes will result in NULL Pointer dereference. - */ -void ftape_init_bsm(void) -{ - bad_sector_map = NULL; - bsm_hash_ptr = NULL; -} diff --git a/drivers/char/ftape/lowlevel/ftape-bsm.h b/drivers/char/ftape/lowlevel/ftape-bsm.h deleted file mode 100644 index ed45465af4d..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-bsm.h +++ /dev/null @@ -1,66 +0,0 @@ -#ifndef _FTAPE_BSM_H -#define _FTAPE_BSM_H - -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-bsm.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:07 $ - * - * This file contains definitions for the bad sector map handling - * routines for the QIC-117 floppy-tape driver for Linux. - */ - -#include -#include - -#define EMPTY_SEGMENT (0xffffffff) -#define FAKE_SEGMENT (0xfffffffe) - -/* maximum (format code 4) bad sector map size (bytes). - */ -#define BAD_SECTOR_MAP_SIZE (29 * SECTOR_SIZE - 256) - -/* format code 4 bad sector entry, ftape uses this - * internally for all format codes - */ -typedef __u32 SectorMap; -/* variable and 1100 ft bad sector map entry. These three bytes represent - * a single sector address measured from BOT. - */ -typedef struct NewSectorMap { - __u8 bytes[3]; -} SectorCount; - - -/* - * ftape-bsm.c defined global vars. - */ - -/* - * ftape-bsm.c defined global functions. - */ -extern void update_bad_sector_map(__u8 * buffer); -extern void ftape_extract_bad_sector_map(__u8 * buffer); -extern SectorMap ftape_get_bad_sector_entry(int segment_id); -extern __u8 *ftape_find_end_of_bsm_list(__u8 * address); -extern void ftape_init_bsm(void); - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-buffer.c b/drivers/char/ftape/lowlevel/ftape-buffer.c deleted file mode 100644 index c706ff16277..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-buffer.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (C) 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-buffer.c,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/16 23:33:11 $ - * - * This file contains the allocator/dealloctor for ftape's dynamic dma - * buffer. - */ - -#include -#include -#include -#include - -#include -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-buffer.h" - -/* DMA'able memory allocation stuff. - */ - -static inline void *dmaalloc(size_t size) -{ - unsigned long addr; - - if (size == 0) { - return NULL; - } - addr = __get_dma_pages(GFP_KERNEL, get_order(size)); - if (addr) { - struct page *page; - - for (page = virt_to_page(addr); page < virt_to_page(addr+size); page++) - SetPageReserved(page); - } - return (void *)addr; -} - -static inline void dmafree(void *addr, size_t size) -{ - if (size > 0) { - struct page *page; - - for (page = virt_to_page((unsigned long)addr); - page < virt_to_page((unsigned long)addr+size); page++) - ClearPageReserved(page); - free_pages((unsigned long) addr, get_order(size)); - } -} - -static int add_one_buffer(void) -{ - TRACE_FUN(ft_t_flow); - - if (ft_nr_buffers >= FT_MAX_NR_BUFFERS) { - TRACE_EXIT -ENOMEM; - } - ft_buffer[ft_nr_buffers] = kmalloc(sizeof(buffer_struct), GFP_KERNEL); - if (ft_buffer[ft_nr_buffers] == NULL) { - TRACE_EXIT -ENOMEM; - } - memset(ft_buffer[ft_nr_buffers], 0, sizeof(buffer_struct)); - ft_buffer[ft_nr_buffers]->address = dmaalloc(FT_BUFF_SIZE); - if (ft_buffer[ft_nr_buffers]->address == NULL) { - kfree(ft_buffer[ft_nr_buffers]); - ft_buffer[ft_nr_buffers] = NULL; - TRACE_EXIT -ENOMEM; - } - ft_nr_buffers ++; - TRACE(ft_t_info, "buffer nr #%d @ %p, dma area @ %p", - ft_nr_buffers, - ft_buffer[ft_nr_buffers-1], - ft_buffer[ft_nr_buffers-1]->address); - TRACE_EXIT 0; -} - -static void del_one_buffer(void) -{ - TRACE_FUN(ft_t_flow); - if (ft_nr_buffers > 0) { - TRACE(ft_t_info, "releasing buffer nr #%d @ %p, dma area @ %p", - ft_nr_buffers, - ft_buffer[ft_nr_buffers-1], - ft_buffer[ft_nr_buffers-1]->address); - ft_nr_buffers --; - dmafree(ft_buffer[ft_nr_buffers]->address, FT_BUFF_SIZE); - kfree(ft_buffer[ft_nr_buffers]); - ft_buffer[ft_nr_buffers] = NULL; - } - TRACE_EXIT; -} - -int ftape_set_nr_buffers(int cnt) -{ - int delta = cnt - ft_nr_buffers; - TRACE_FUN(ft_t_flow); - - if (delta > 0) { - while (delta--) { - if (add_one_buffer() < 0) { - TRACE_EXIT -ENOMEM; - } - } - } else if (delta < 0) { - while (delta++) { - del_one_buffer(); - } - } - ftape_zap_read_buffers(); - TRACE_EXIT 0; -} diff --git a/drivers/char/ftape/lowlevel/ftape-buffer.h b/drivers/char/ftape/lowlevel/ftape-buffer.h deleted file mode 100644 index eec99cee8f8..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-buffer.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _FTAPE_BUFFER_H -#define _FTAPE_BUFFER_H - -/* - * Copyright (C) 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-buffer.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:08 $ - * - * This file contains the allocator/dealloctor for ftape's dynamic dma - * buffer. - */ - -extern int ftape_set_nr_buffers(int cnt); - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-calibr.c b/drivers/char/ftape/lowlevel/ftape-calibr.c deleted file mode 100644 index 8e50bfd35a5..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-calibr.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-calibr.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:08 $ - * - * GP calibration routine for processor speed dependent - * functions. - */ - -#include -#include -#include -#include -#if defined(__alpha__) -# include -#elif defined(__x86_64__) -# include -# include -#elif defined(__i386__) -# include -#endif -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-calibr.h" -#include "../lowlevel/fdc-io.h" - -#undef DEBUG - -#if !defined(__alpha__) && !defined(__i386__) && !defined(__x86_64__) -# error Ftape is not implemented for this architecture! -#endif - -#if defined(__alpha__) || defined(__x86_64__) -static unsigned long ps_per_cycle = 0; -#endif - -static spinlock_t calibr_lock; - -/* - * Note: On Intel PCs, the clock ticks at 100 Hz (HZ==100) which is - * too slow for certain timeouts (and that clock doesn't even tick - * when interrupts are disabled). For that reason, the 8254 timer is - * used directly to implement fine-grained timeouts. However, on - * Alpha PCs, the 8254 is *not* used to implement the clock tick - * (which is 1024 Hz, normally) and the 8254 timer runs at some - * "random" frequency (it seems to run at 18Hz, but it's not safe to - * rely on this value). Instead, we use the Alpha's "rpcc" - * instruction to read cycle counts. As this is a 32 bit counter, - * it will overflow only once per 30 seconds (on a 200MHz machine), - * which is plenty. - */ - -unsigned int ftape_timestamp(void) -{ -#if defined(__alpha__) - unsigned long r; - - asm volatile ("rpcc %0" : "=r" (r)); - return r; -#elif defined(__x86_64__) - unsigned long r; - rdtscl(r); - return r; -#elif defined(__i386__) - -/* - * Note that there is some time between counter underflowing and jiffies - * increasing, so the code below won't always give correct output. - * -Vojtech - */ - - unsigned long flags; - __u16 lo; - __u16 hi; - - spin_lock_irqsave(&calibr_lock, flags); - outb_p(0x00, 0x43); /* latch the count ASAP */ - lo = inb_p(0x40); /* read the latched count */ - lo |= inb(0x40) << 8; - hi = jiffies; - spin_unlock_irqrestore(&calibr_lock, flags); - return ((hi + 1) * (unsigned int) LATCH) - lo; /* downcounter ! */ -#endif -} - -static unsigned int short_ftape_timestamp(void) -{ -#if defined(__alpha__) || defined(__x86_64__) - return ftape_timestamp(); -#elif defined(__i386__) - unsigned int count; - unsigned long flags; - - spin_lock_irqsave(&calibr_lock, flags); - outb_p(0x00, 0x43); /* latch the count ASAP */ - count = inb_p(0x40); /* read the latched count */ - count |= inb(0x40) << 8; - spin_unlock_irqrestore(&calibr_lock, flags); - return (LATCH - count); /* normal: downcounter */ -#endif -} - -static unsigned int diff(unsigned int t0, unsigned int t1) -{ -#if defined(__alpha__) || defined(__x86_64__) - return (t1 - t0); -#elif defined(__i386__) - /* - * This is tricky: to work for both short and full ftape_timestamps - * we'll have to discriminate between these. - * If it _looks_ like short stamps with wrapping around we'll - * asume it are. This will generate a small error if it really - * was a (very large) delta from full ftape_timestamps. - */ - return (t1 <= t0 && t0 <= LATCH) ? t1 + LATCH - t0 : t1 - t0; -#endif -} - -static unsigned int usecs(unsigned int count) -{ -#if defined(__alpha__) || defined(__x86_64__) - return (ps_per_cycle * count) / 1000000UL; -#elif defined(__i386__) - return (10000 * count) / ((CLOCK_TICK_RATE + 50) / 100); -#endif -} - -unsigned int ftape_timediff(unsigned int t0, unsigned int t1) -{ - /* - * Calculate difference in usec for ftape_timestamp results t0 & t1. - * Note that on the i386 platform with short time-stamps, the - * maximum allowed timespan is 1/HZ or we'll lose ticks! - */ - return usecs(diff(t0, t1)); -} - -/* To get an indication of the I/O performance, - * measure the duration of the inb() function. - */ -static void time_inb(void) -{ - int i; - int t0, t1; - unsigned long flags; - int status; - TRACE_FUN(ft_t_any); - - spin_lock_irqsave(&calibr_lock, flags); - t0 = short_ftape_timestamp(); - for (i = 0; i < 1000; ++i) { - status = inb(fdc.msr); - } - t1 = short_ftape_timestamp(); - spin_unlock_irqrestore(&calibr_lock, flags); - TRACE(ft_t_info, "inb() duration: %d nsec", ftape_timediff(t0, t1)); - TRACE_EXIT; -} - -static void init_clock(void) -{ - TRACE_FUN(ft_t_any); - -#if defined(__x86_64__) - ps_per_cycle = 1000000000UL / cpu_khz; -#elif defined(__alpha__) - extern struct hwrpb_struct *hwrpb; - ps_per_cycle = (1000*1000*1000*1000UL) / hwrpb->cycle_freq; -#endif - TRACE_EXIT; -} - -/* - * Input: function taking int count as parameter. - * pointers to calculated calibration variables. - */ -void ftape_calibrate(char *name, - void (*fun) (unsigned int), - unsigned int *calibr_count, - unsigned int *calibr_time) -{ - static int first_time = 1; - int i; - unsigned int tc = 0; - unsigned int count; - unsigned int time; -#if defined(__i386__) - unsigned int old_tc = 0; - unsigned int old_count = 1; - unsigned int old_time = 1; -#endif - TRACE_FUN(ft_t_flow); - - if (first_time) { /* get idea of I/O performance */ - init_clock(); - time_inb(); - first_time = 0; - } - /* value of timeout must be set so that on very slow systems - * it will give a time less than one jiffy, and on - * very fast systems it'll give reasonable precision. - */ - - count = 40; - for (i = 0; i < 15; ++i) { - unsigned int t0; - unsigned int t1; - unsigned int once; - unsigned int multiple; - unsigned long flags; - - *calibr_count = - *calibr_time = count; /* set TC to 1 */ - spin_lock_irqsave(&calibr_lock, flags); - fun(0); /* dummy, get code into cache */ - t0 = short_ftape_timestamp(); - fun(0); /* overhead + one test */ - t1 = short_ftape_timestamp(); - once = diff(t0, t1); - t0 = short_ftape_timestamp(); - fun(count); /* overhead + count tests */ - t1 = short_ftape_timestamp(); - multiple = diff(t0, t1); - spin_unlock_irqrestore(&calibr_lock, flags); - time = ftape_timediff(0, multiple - once); - tc = (1000 * time) / (count - 1); - TRACE(ft_t_any, "once:%3d us,%6d times:%6d us, TC:%5d ns", - usecs(once), count - 1, usecs(multiple), tc); -#if defined(__alpha__) || defined(__x86_64__) - /* - * Increase the calibration count exponentially until the - * calibration time exceeds 100 ms. - */ - if (time >= 100*1000) { - break; - } -#elif defined(__i386__) - /* - * increase the count until the resulting time nears 2/HZ, - * then the tc will drop sharply because we lose LATCH counts. - */ - if (tc <= old_tc / 2) { - time = old_time; - count = old_count; - break; - } - old_tc = tc; - old_count = count; - old_time = time; -#endif - count *= 2; - } - *calibr_count = count - 1; - *calibr_time = time; - TRACE(ft_t_info, "TC for `%s()' = %d nsec (at %d counts)", - name, (1000 * *calibr_time) / *calibr_count, *calibr_count); - TRACE_EXIT; -} diff --git a/drivers/char/ftape/lowlevel/ftape-calibr.h b/drivers/char/ftape/lowlevel/ftape-calibr.h deleted file mode 100644 index 0c7e75246c7..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-calibr.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _FTAPE_CALIBR_H -#define _FTAPE_CALIBR_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-calibr.h,v $ - * $Revision: 1.1 $ - * $Date: 1997/09/19 09:05:26 $ - * - * This file contains a gp calibration routine for - * hardware dependent timeout functions. - */ - -extern void ftape_calibrate(char *name, - void (*fun) (unsigned int), - unsigned int *calibr_count, - unsigned int *calibr_time); -extern unsigned int ftape_timestamp(void); -extern unsigned int ftape_timediff(unsigned int t0, unsigned int t1); - -#endif /* _FTAPE_CALIBR_H */ diff --git a/drivers/char/ftape/lowlevel/ftape-ctl.c b/drivers/char/ftape/lowlevel/ftape-ctl.c deleted file mode 100644 index 5d7c1ce92d5..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-ctl.c +++ /dev/null @@ -1,896 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-ctl.c,v $ - * $Revision: 1.4 $ - * $Date: 1997/11/11 14:37:44 $ - * - * This file contains the non-read/write ftape functions for the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - */ - -#include -#include -#include - -#include -#include -#include -#include - -/* ease porting between pre-2.4.x and later kernels */ -#define vma_get_pgoff(v) ((v)->vm_pgoff) - -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-bsm.h" - -/* Global vars. - */ -ftape_info ftape_status = { -/* vendor information */ - { 0, }, /* drive type */ -/* data rates */ - 500, /* used data rate */ - 500, /* drive max rate */ - 500, /* fdc max rate */ -/* drive selection, either FTAPE_SEL_A/B/C/D */ - -1, /* drive selection */ -/* flags set after decode the drive and tape status */ - 0, /* formatted */ - 1, /* no tape */ - 1, /* write protected */ - 1, /* new tape */ -/* values of last queried drive/tape status and error */ - {{0,}}, /* last error code */ - {{0,}}, /* drive status, configuration, tape status */ -/* cartridge geometry */ - 20, /* tracks_per_tape */ - 102, /* segments_per_track */ -/* location of header segments, etc. */ - -1, /* used_header_segment */ - -1, /* header_segment_1 */ - -1, /* header_segment_2 */ - -1, /* first_data_segment */ - -1, /* last_data_segment */ -/* the format code as stored in the header segment */ - fmt_normal, /* format code */ -/* the default for the qic std: unknown */ - -1, -/* is tape running? */ - idle, /* runner_state */ -/* is tape reading/writing/verifying/formatting/deleting */ - idle, /* driver state */ -/* flags fatal hardware error */ - 1, /* failure */ -/* history record */ - { 0, } /* history record */ -}; - -int ftape_segments_per_head = 1020; -int ftape_segments_per_cylinder = 4; -int ftape_init_drive_needed = 1; /* need to be global for ftape_reset_drive() - * in ftape-io.c - */ - -/* Local vars. - */ -static const vendor_struct vendors[] = QIC117_VENDORS; -static const wakeup_method methods[] = WAKEUP_METHODS; - -const ftape_info *ftape_get_status(void) -{ -#if defined(STATUS_PARANOYA) - static ftape_info get_status; - - get_status = ftape_status; - return &get_status; -#else - return &ftape_status; /* maybe return only a copy of it to assure - * read only access - */ -#endif -} - -static int ftape_not_operational(int status) -{ - /* return true if status indicates tape can not be used. - */ - return ((status ^ QIC_STATUS_CARTRIDGE_PRESENT) & - (QIC_STATUS_ERROR | - QIC_STATUS_CARTRIDGE_PRESENT | - QIC_STATUS_NEW_CARTRIDGE)); -} - -int ftape_seek_to_eot(void) -{ - int status; - TRACE_FUN(ft_t_any); - - TRACE_CATCH(ftape_ready_wait(ftape_timeout.pause, &status),); - while ((status & QIC_STATUS_AT_EOT) == 0) { - if (ftape_not_operational(status)) { - TRACE_EXIT -EIO; - } - TRACE_CATCH(ftape_command_wait(QIC_PHYSICAL_FORWARD, - ftape_timeout.rewind,&status),); - } - TRACE_EXIT 0; -} - -int ftape_seek_to_bot(void) -{ - int status; - TRACE_FUN(ft_t_any); - - TRACE_CATCH(ftape_ready_wait(ftape_timeout.pause, &status),); - while ((status & QIC_STATUS_AT_BOT) == 0) { - if (ftape_not_operational(status)) { - TRACE_EXIT -EIO; - } - TRACE_CATCH(ftape_command_wait(QIC_PHYSICAL_REVERSE, - ftape_timeout.rewind,&status),); - } - TRACE_EXIT 0; -} - -static int ftape_new_cartridge(void) -{ - ft_location.track = -1; /* force seek on first access */ - ftape_zap_read_buffers(); - ftape_zap_write_buffers(); - return 0; -} - -int ftape_abort_operation(void) -{ - int result = 0; - int status; - TRACE_FUN(ft_t_flow); - - if (ft_runner_status == running) { - TRACE(ft_t_noise, "aborting runner, waiting"); - - ft_runner_status = do_abort; - /* set timeout so that the tape will run to logical EOT - * if we missed the last sector and there are no queue pulses. - */ - result = ftape_dumb_stop(); - } - if (ft_runner_status != idle) { - if (ft_runner_status == do_abort) { - TRACE(ft_t_noise, "forcing runner abort"); - } - TRACE(ft_t_noise, "stopping tape"); - result = ftape_stop_tape(&status); - ft_location.known = 0; - ft_runner_status = idle; - } - ftape_reset_buffer(); - ftape_zap_read_buffers(); - ftape_set_state(idle); - TRACE_EXIT result; -} - -static int lookup_vendor_id(unsigned int vendor_id) -{ - int i = 0; - - while (vendors[i].vendor_id != vendor_id) { - if (++i >= NR_ITEMS(vendors)) { - return -1; - } - } - return i; -} - -static void ftape_detach_drive(void) -{ - TRACE_FUN(ft_t_any); - - TRACE(ft_t_flow, "disabling tape drive and fdc"); - ftape_put_drive_to_sleep(ft_drive_type.wake_up); - fdc_catch_stray_interrupts(1); /* one always comes */ - fdc_disable(); - fdc_release_irq_and_dma(); - fdc_release_regions(); - TRACE_EXIT; -} - -static void clear_history(void) -{ - ft_history.used = 0; - ft_history.id_am_errors = - ft_history.id_crc_errors = - ft_history.data_am_errors = - ft_history.data_crc_errors = - ft_history.overrun_errors = - ft_history.no_data_errors = - ft_history.retries = - ft_history.crc_errors = - ft_history.crc_failures = - ft_history.ecc_failures = - ft_history.corrected = - ft_history.defects = - ft_history.rewinds = 0; -} - -static int ftape_activate_drive(vendor_struct * drive_type) -{ - int result = 0; - TRACE_FUN(ft_t_flow); - - /* If we already know the drive type, wake it up. - * Else try to find out what kind of drive is attached. - */ - if (drive_type->wake_up != unknown_wake_up) { - TRACE(ft_t_flow, "enabling tape drive and fdc"); - result = ftape_wakeup_drive(drive_type->wake_up); - if (result < 0) { - TRACE(ft_t_err, "known wakeup method failed"); - } - } else { - wake_up_types method; - const ft_trace_t old_tracing = TRACE_LEVEL; - if (TRACE_LEVEL < ft_t_flow) { - SET_TRACE_LEVEL(ft_t_bug); - } - - /* Try to awaken the drive using all known methods. - * Lower tracing for a while. - */ - for (method=no_wake_up; method < NR_ITEMS(methods); ++method) { - drive_type->wake_up = method; -#ifdef CONFIG_FT_TWO_DRIVES - /* Test setup for dual drive configuration. - * /dev/rft2 uses mountain wakeup - * /dev/rft3 uses colorado wakeup - * Other systems will use the normal scheme. - */ - if ((ft_drive_sel < 2) || - (ft_drive_sel == 2 && method == FT_WAKE_UP_1) || - (ft_drive_sel == 3 && method == FT_WAKE_UP_2)) { - result=ftape_wakeup_drive(drive_type->wake_up); - } else { - result = -EIO; - } -#else - result = ftape_wakeup_drive(drive_type->wake_up); -#endif - if (result >= 0) { - TRACE(ft_t_warn, "drive wakeup method: %s", - methods[drive_type->wake_up].name); - break; - } - } - SET_TRACE_LEVEL(old_tracing); - - if (method >= NR_ITEMS(methods)) { - /* no response at all, cannot open this drive */ - drive_type->wake_up = unknown_wake_up; - TRACE(ft_t_err, "no tape drive found !"); - result = -ENODEV; - } - } - TRACE_EXIT result; -} - -static int ftape_get_drive_status(void) -{ - int result; - int status; - TRACE_FUN(ft_t_flow); - - ft_no_tape = ft_write_protected = 0; - /* Tape drive is activated now. - * First clear error status if present. - */ - do { - result = ftape_ready_wait(ftape_timeout.reset, &status); - if (result < 0) { - if (result == -ETIME) { - TRACE(ft_t_err, "ftape_ready_wait timeout"); - } else if (result == -EINTR) { - TRACE(ft_t_err, "ftape_ready_wait aborted"); - } else { - TRACE(ft_t_err, "ftape_ready_wait failed"); - } - TRACE_EXIT -EIO; - } - /* Clear error condition (drive is ready !) - */ - if (status & QIC_STATUS_ERROR) { - unsigned int error; - qic117_cmd_t command; - - TRACE(ft_t_err, "error status set"); - result = ftape_report_error(&error, &command, 1); - if (result < 0) { - TRACE(ft_t_err, - "report_error_code failed: %d", result); - /* hope it's working next time */ - ftape_reset_drive(); - TRACE_EXIT -EIO; - } else if (error != 0) { - TRACE(ft_t_noise, "error code : %d", error); - TRACE(ft_t_noise, "error command: %d", command); - } - } - if (status & QIC_STATUS_NEW_CARTRIDGE) { - unsigned int error; - qic117_cmd_t command; - const ft_trace_t old_tracing = TRACE_LEVEL; - SET_TRACE_LEVEL(ft_t_bug); - - /* Undocumented feature: Must clear (not present!) - * error here or we'll fail later. - */ - ftape_report_error(&error, &command, 1); - - SET_TRACE_LEVEL(old_tracing); - TRACE(ft_t_info, "status: new cartridge"); - ft_new_tape = 1; - } else { - ft_new_tape = 0; - } - FT_SIGNAL_EXIT(_DONT_BLOCK); - } while (status & QIC_STATUS_ERROR); - - ft_no_tape = !(status & QIC_STATUS_CARTRIDGE_PRESENT); - ft_write_protected = (status & QIC_STATUS_WRITE_PROTECT) != 0; - if (ft_no_tape) { - TRACE(ft_t_warn, "no cartridge present"); - } else { - if (ft_write_protected) { - TRACE(ft_t_noise, "Write protected cartridge"); - } - } - TRACE_EXIT 0; -} - -static void ftape_log_vendor_id(void) -{ - int vendor_index; - TRACE_FUN(ft_t_flow); - - ftape_report_vendor_id(&ft_drive_type.vendor_id); - vendor_index = lookup_vendor_id(ft_drive_type.vendor_id); - if (ft_drive_type.vendor_id == UNKNOWN_VENDOR && - ft_drive_type.wake_up == wake_up_colorado) { - vendor_index = 0; - /* hack to get rid of all this mail */ - ft_drive_type.vendor_id = 0; - } - if (vendor_index < 0) { - /* Unknown vendor id, first time opening device. The - * drive_type remains set to type found at wakeup - * time, this will probably keep the driver operating - * for this new vendor. - */ - TRACE(ft_t_warn, "\n" - KERN_INFO "============ unknown vendor id ===========\n" - KERN_INFO "A new, yet unsupported tape drive is found\n" - KERN_INFO "Please report the following values:\n" - KERN_INFO " Vendor id : 0x%04x\n" - KERN_INFO " Wakeup method : %s\n" - KERN_INFO "And a description of your tape drive\n" - KERN_INFO "to "THE_FTAPE_MAINTAINER"\n" - KERN_INFO "==========================================", - ft_drive_type.vendor_id, - methods[ft_drive_type.wake_up].name); - ft_drive_type.speed = 0; /* unknown */ - } else { - ft_drive_type.name = vendors[vendor_index].name; - ft_drive_type.speed = vendors[vendor_index].speed; - TRACE(ft_t_info, "tape drive type: %s", ft_drive_type.name); - /* scan all methods for this vendor_id in table */ - while(ft_drive_type.wake_up != vendors[vendor_index].wake_up) { - if (vendor_index < NR_ITEMS(vendors) - 1 && - vendors[vendor_index + 1].vendor_id - == - ft_drive_type.vendor_id) { - ++vendor_index; - } else { - break; - } - } - if (ft_drive_type.wake_up != vendors[vendor_index].wake_up) { - TRACE(ft_t_warn, "\n" - KERN_INFO "==========================================\n" - KERN_INFO "wakeup type mismatch:\n" - KERN_INFO "found: %s, expected: %s\n" - KERN_INFO "please report this to "THE_FTAPE_MAINTAINER"\n" - KERN_INFO "==========================================", - methods[ft_drive_type.wake_up].name, - methods[vendors[vendor_index].wake_up].name); - } - } - TRACE_EXIT; -} - -void ftape_calc_timeouts(unsigned int qic_std, - unsigned int data_rate, - unsigned int tape_len) -{ - int speed; /* deci-ips ! */ - int ff_speed; - int length; - TRACE_FUN(ft_t_any); - - /* tape transport speed - * data rate: QIC-40 QIC-80 QIC-3010 QIC-3020 - * - * 250 Kbps 25 ips n/a n/a n/a - * 500 Kbps 50 ips 34 ips 22.6 ips n/a - * 1 Mbps n/a 68 ips 45.2 ips 22.6 ips - * 2 Mbps n/a n/a n/a 45.2 ips - * - * fast tape transport speed is at least 68 ips. - */ - switch (qic_std) { - case QIC_TAPE_QIC40: - speed = (data_rate == 250) ? 250 : 500; - break; - case QIC_TAPE_QIC80: - speed = (data_rate == 500) ? 340 : 680; - break; - case QIC_TAPE_QIC3010: - speed = (data_rate == 500) ? 226 : 452; - break; - case QIC_TAPE_QIC3020: - speed = (data_rate == 1000) ? 226 : 452; - break; - default: - TRACE(ft_t_bug, "Unknown qic_std (bug) ?"); - speed = 500; - break; - } - if (ft_drive_type.speed == 0) { - unsigned long t0; - static int dt = 0; /* keep gcc from complaining */ - static int first_time = 1; - - /* Measure the time it takes to wind to EOT and back to BOT. - * If the tape length is known, calculate the rewind speed. - * Else keep the time value for calculation of the rewind - * speed later on, when the length _is_ known. - * Ask for a report only when length and speed are both known. - */ - if (first_time) { - ftape_seek_to_bot(); - t0 = jiffies; - ftape_seek_to_eot(); - ftape_seek_to_bot(); - dt = (int) (((jiffies - t0) * FT_USPT) / 1000); - if (dt < 1) { - dt = 1; /* prevent div by zero on failures */ - } - first_time = 0; - TRACE(ft_t_info, - "trying to determine seek timeout, got %d msec", - dt); - } - if (tape_len != 0) { - ft_drive_type.speed = - (2 * 12 * tape_len * 1000) / dt; - TRACE(ft_t_warn, "\n" - KERN_INFO "==========================================\n" - KERN_INFO "drive type: %s\n" - KERN_INFO "delta time = %d ms, length = %d ft\n" - KERN_INFO "has a maximum tape speed of %d ips\n" - KERN_INFO "please report this to "THE_FTAPE_MAINTAINER"\n" - KERN_INFO "==========================================", - ft_drive_type.name, dt, tape_len, - ft_drive_type.speed); - } - } - /* Handle unknown length tapes as very long ones. We'll - * determine the actual length from a header segment later. - * This is normal for all modern (Wide,TR1/2/3) formats. - */ - if (tape_len <= 0) { - TRACE(ft_t_noise, - "Unknown tape length, using maximal timeouts"); - length = QIC_TOP_TAPE_LEN; /* use worst case values */ - } else { - length = tape_len; /* use actual values */ - } - if (ft_drive_type.speed == 0) { - ff_speed = speed; - } else { - ff_speed = ft_drive_type.speed; - } - /* time to go from bot to eot at normal speed (data rate): - * time = (1+delta) * length (ft) * 12 (inch/ft) / speed (ips) - * delta = 10 % for seek speed, 20 % for rewind speed. - */ - ftape_timeout.seek = (length * 132 * FT_SECOND) / speed; - ftape_timeout.rewind = (length * 144 * FT_SECOND) / (10 * ff_speed); - ftape_timeout.reset = 20 * FT_SECOND + ftape_timeout.rewind; - TRACE(ft_t_noise, "timeouts for speed = %d, length = %d\n" - KERN_INFO "seek timeout : %d sec\n" - KERN_INFO "rewind timeout: %d sec\n" - KERN_INFO "reset timeout : %d sec", - speed, length, - (ftape_timeout.seek + 500) / 1000, - (ftape_timeout.rewind + 500) / 1000, - (ftape_timeout.reset + 500) / 1000); - TRACE_EXIT; -} - -/* This function calibrates the datarate (i.e. determines the maximal - * usable data rate) and sets the global variable ft_qic_std to qic_std - * - */ -int ftape_calibrate_data_rate(unsigned int qic_std) -{ - int rate = ft_fdc_rate_limit; - int result; - TRACE_FUN(ft_t_flow); - - ft_qic_std = qic_std; - - if (ft_qic_std == -1) { - TRACE_ABORT(-EIO, ft_t_err, - "Unable to determine data rate if QIC standard is unknown"); - } - - /* Select highest rate supported by both fdc and drive. - * Start with highest rate supported by the fdc. - */ - while (fdc_set_data_rate(rate) < 0 && rate > 250) { - rate /= 2; - } - TRACE(ft_t_info, - "Highest FDC supported data rate: %d Kbps", rate); - ft_fdc_max_rate = rate; - do { - result = ftape_set_data_rate(rate, ft_qic_std); - } while (result == -EINVAL && (rate /= 2) > 250); - if (result < 0) { - TRACE_ABORT(-EIO, ft_t_err, "set datarate failed"); - } - ft_data_rate = rate; - TRACE_EXIT 0; -} - -static int ftape_init_drive(void) -{ - int status; - qic_model model; - unsigned int qic_std; - unsigned int data_rate; - TRACE_FUN(ft_t_flow); - - ftape_init_drive_needed = 0; /* don't retry if this fails ? */ - TRACE_CATCH(ftape_report_raw_drive_status(&status),); - if (status & QIC_STATUS_CARTRIDGE_PRESENT) { - if (!(status & QIC_STATUS_AT_BOT)) { - /* Antique drives will get here after a soft reset, - * modern ones only if the driver is loaded when the - * tape wasn't rewound properly. - */ - /* Tape should be at bot if new cartridge ! */ - ftape_seek_to_bot(); - } - if (!(status & QIC_STATUS_REFERENCED)) { - TRACE(ft_t_flow, "starting seek_load_point"); - TRACE_CATCH(ftape_command_wait(QIC_SEEK_LOAD_POINT, - ftape_timeout.reset, - &status),); - } - } - ft_formatted = (status & QIC_STATUS_REFERENCED) != 0; - if (!ft_formatted) { - TRACE(ft_t_warn, "Warning: tape is not formatted !"); - } - - /* report configuration aborts when ftape_tape_len == -1 - * unknown qic_std is okay if not formatted. - */ - TRACE_CATCH(ftape_report_configuration(&model, - &data_rate, - &qic_std, - &ftape_tape_len),); - - /* Maybe add the following to the /proc entry - */ - TRACE(ft_t_info, "%s drive @ %d Kbps", - (model == prehistoric) ? "prehistoric" : - ((model == pre_qic117c) ? "pre QIC-117C" : - ((model == post_qic117b) ? "post QIC-117B" : - "post QIC-117D")), data_rate); - - if (ft_formatted) { - /* initialize ft_used_data_rate to maximum value - * and set ft_qic_std - */ - TRACE_CATCH(ftape_calibrate_data_rate(qic_std),); - if (ftape_tape_len == 0) { - TRACE(ft_t_info, "unknown length QIC-%s tape", - (ft_qic_std == QIC_TAPE_QIC40) ? "40" : - ((ft_qic_std == QIC_TAPE_QIC80) ? "80" : - ((ft_qic_std == QIC_TAPE_QIC3010) - ? "3010" : "3020"))); - } else { - TRACE(ft_t_info, "%d ft. QIC-%s tape", ftape_tape_len, - (ft_qic_std == QIC_TAPE_QIC40) ? "40" : - ((ft_qic_std == QIC_TAPE_QIC80) ? "80" : - ((ft_qic_std == QIC_TAPE_QIC3010) - ? "3010" : "3020"))); - } - ftape_calc_timeouts(ft_qic_std, ft_data_rate, ftape_tape_len); - /* soft write-protect QIC-40/QIC-80 cartridges used with a - * Colorado T3000 drive. Buggy hardware! - */ - if ((ft_drive_type.vendor_id == 0x011c6) && - ((ft_qic_std == QIC_TAPE_QIC40 || - ft_qic_std == QIC_TAPE_QIC80) && - !ft_write_protected)) { - TRACE(ft_t_warn, "\n" - KERN_INFO "The famous Colorado T3000 bug:\n" - KERN_INFO "%s drives can't write QIC40 and QIC80\n" - KERN_INFO "cartridges but don't set the write-protect flag!", - ft_drive_type.name); - ft_write_protected = 1; - } - } else { - /* Doesn't make too much sense to set the data rate - * because we don't know what to use for the write - * precompensation. - * Need to do this again when formatting the cartridge. - */ - ft_data_rate = data_rate; - ftape_calc_timeouts(QIC_TAPE_QIC40, - data_rate, - ftape_tape_len); - } - ftape_new_cartridge(); - TRACE_EXIT 0; -} - -static void ftape_munmap(void) -{ - int i; - TRACE_FUN(ft_t_flow); - - for (i = 0; i < ft_nr_buffers; i++) { - ft_buffer[i]->mmapped = 0; - } - TRACE_EXIT; -} - -/* Map the dma buffers into the virtual address range given by vma. - * We only check the caller doesn't map non-existent buffers. We - * don't check for multiple mappings. - */ -int ftape_mmap(struct vm_area_struct *vma) -{ - int num_buffers; - int i; - TRACE_FUN(ft_t_flow); - - if (ft_failure) { - TRACE_EXIT -ENODEV; - } - if (!(vma->vm_flags & (VM_READ|VM_WRITE))) { - TRACE_ABORT(-EINVAL, ft_t_err, "Undefined mmap() access"); - } - if (vma_get_pgoff(vma) != 0) { - TRACE_ABORT(-EINVAL, ft_t_err, "page offset must be 0"); - } - if ((vma->vm_end - vma->vm_start) % FT_BUFF_SIZE != 0) { - TRACE_ABORT(-EINVAL, ft_t_err, - "size = %ld, should be a multiple of %d", - vma->vm_end - vma->vm_start, - FT_BUFF_SIZE); - } - num_buffers = (vma->vm_end - vma->vm_start) / FT_BUFF_SIZE; - if (num_buffers > ft_nr_buffers) { - TRACE_ABORT(-EINVAL, - ft_t_err, "size = %ld, should be less than %d", - vma->vm_end - vma->vm_start, - ft_nr_buffers * FT_BUFF_SIZE); - } - if (ft_driver_state != idle) { - /* this also clears the buffer states - */ - ftape_abort_operation(); - } else { - ftape_reset_buffer(); - } - for (i = 0; i < num_buffers; i++) { - unsigned long pfn; - - pfn = virt_to_phys(ft_buffer[i]->address) >> PAGE_SHIFT; - TRACE_CATCH(remap_pfn_range(vma, vma->vm_start + - i * FT_BUFF_SIZE, - pfn, - FT_BUFF_SIZE, - vma->vm_page_prot), - _res = -EAGAIN); - TRACE(ft_t_noise, "remapped dma buffer @ %p to location @ %p", - ft_buffer[i]->address, - (void *)(vma->vm_start + i * FT_BUFF_SIZE)); - } - for (i = 0; i < num_buffers; i++) { - memset(ft_buffer[i]->address, 0xAA, FT_BUFF_SIZE); - ft_buffer[i]->mmapped++; - } - TRACE_EXIT 0; -} - -static void ftape_init_driver(void); /* forward declaration */ - -/* OPEN routine called by kernel-interface code - */ -int ftape_enable(int drive_selection) -{ - TRACE_FUN(ft_t_any); - - if (ft_drive_sel == -1 || ft_drive_sel != drive_selection) { - /* Other selection than last time - */ - ftape_init_driver(); - } - ft_drive_sel = FTAPE_SEL(drive_selection); - ft_failure = 0; - TRACE_CATCH(fdc_init(),); /* init & detect fdc */ - TRACE_CATCH(ftape_activate_drive(&ft_drive_type), - fdc_disable(); - fdc_release_irq_and_dma(); - fdc_release_regions()); - TRACE_CATCH(ftape_get_drive_status(), ftape_detach_drive()); - if (ft_drive_type.vendor_id == UNKNOWN_VENDOR) { - ftape_log_vendor_id(); - } - if (ft_new_tape) { - ftape_init_drive_needed = 1; - } - if (!ft_no_tape && ftape_init_drive_needed) { - TRACE_CATCH(ftape_init_drive(), ftape_detach_drive()); - } - ftape_munmap(); /* clear the mmap flag */ - clear_history(); - TRACE_EXIT 0; -} - -/* release routine called by the high level interface modules - * zftape or sftape. - */ -void ftape_disable(void) -{ - int i; - TRACE_FUN(ft_t_any); - - for (i = 0; i < ft_nr_buffers; i++) { - if (ft_buffer[i]->mmapped) { - TRACE(ft_t_noise, "first byte of buffer %d: 0x%02x", - i, *ft_buffer[i]->address); - } - } - if (sigtestsetmask(¤t->pending.signal, _DONT_BLOCK) && - !(sigtestsetmask(¤t->pending.signal, _NEVER_BLOCK)) && - ftape_tape_running) { - TRACE(ft_t_warn, - "Interrupted by fatal signal and tape still running"); - ftape_dumb_stop(); - ftape_abort_operation(); /* it's annoying */ - } else { - ftape_set_state(idle); - } - ftape_detach_drive(); - if (ft_history.used) { - TRACE(ft_t_info, "== Non-fatal errors this run: =="); - TRACE(ft_t_info, "fdc isr statistics:\n" - KERN_INFO " id_am_errors : %3d\n" - KERN_INFO " id_crc_errors : %3d\n" - KERN_INFO " data_am_errors : %3d\n" - KERN_INFO " data_crc_errors : %3d\n" - KERN_INFO " overrun_errors : %3d\n" - KERN_INFO " no_data_errors : %3d\n" - KERN_INFO " retries : %3d", - ft_history.id_am_errors, ft_history.id_crc_errors, - ft_history.data_am_errors, ft_history.data_crc_errors, - ft_history.overrun_errors, ft_history.no_data_errors, - ft_history.retries); - if (ft_history.used & 1) { - TRACE(ft_t_info, "ecc statistics:\n" - KERN_INFO " crc_errors : %3d\n" - KERN_INFO " crc_failures : %3d\n" - KERN_INFO " ecc_failures : %3d\n" - KERN_INFO " sectors corrected: %3d", - ft_history.crc_errors, ft_history.crc_failures, - ft_history.ecc_failures, ft_history.corrected); - } - if (ft_history.defects > 0) { - TRACE(ft_t_warn, "Warning: %d media defects!", - ft_history.defects); - } - if (ft_history.rewinds > 0) { - TRACE(ft_t_info, "tape motion statistics:\n" - KERN_INFO "repositions : %3d", - ft_history.rewinds); - } - } - ft_failure = 1; - TRACE_EXIT; -} - -static void ftape_init_driver(void) -{ - TRACE_FUN(ft_t_flow); - - ft_drive_type.vendor_id = UNKNOWN_VENDOR; - ft_drive_type.speed = 0; - ft_drive_type.wake_up = unknown_wake_up; - ft_drive_type.name = "Unknown"; - - ftape_timeout.seek = 650 * FT_SECOND; - ftape_timeout.reset = 670 * FT_SECOND; - ftape_timeout.rewind = 650 * FT_SECOND; - ftape_timeout.head_seek = 15 * FT_SECOND; - ftape_timeout.stop = 5 * FT_SECOND; - ftape_timeout.pause = 16 * FT_SECOND; - - ft_qic_std = -1; - ftape_tape_len = 0; /* unknown */ - ftape_current_command = 0; - ftape_current_cylinder = -1; - - ft_segments_per_track = 102; - ftape_segments_per_head = 1020; - ftape_segments_per_cylinder = 4; - ft_tracks_per_tape = 20; - - ft_failure = 1; - - ft_formatted = 0; - ft_no_tape = 1; - ft_write_protected = 1; - ft_new_tape = 1; - - ft_driver_state = idle; - - ft_data_rate = - ft_fdc_max_rate = 500; - ft_drive_max_rate = 0; /* triggers set_rate_test() */ - - ftape_init_drive_needed = 1; - - ft_header_segment_1 = -1; - ft_header_segment_2 = -1; - ft_used_header_segment = -1; - ft_first_data_segment = -1; - ft_last_data_segment = -1; - - ft_location.track = -1; - ft_location.known = 0; - - ftape_tape_running = 0; - ftape_might_be_off_track = 1; - - ftape_new_cartridge(); /* init some tape related variables */ - ftape_init_bsm(); - TRACE_EXIT; -} diff --git a/drivers/char/ftape/lowlevel/ftape-ctl.h b/drivers/char/ftape/lowlevel/ftape-ctl.h deleted file mode 100644 index 5f5e30bc361..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-ctl.h +++ /dev/null @@ -1,162 +0,0 @@ -#ifndef _FTAPE_CTL_H -#define _FTAPE_CTL_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-ctl.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:09 $ - * - * This file contains the non-standard IOCTL related definitions - * for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for - * Linux. - */ - -#include -#include -#include - -#include "../lowlevel/ftape-rw.h" -#include - -typedef struct { - int used; /* any reading or writing done */ - /* isr statistics */ - unsigned int id_am_errors; /* id address mark not found */ - unsigned int id_crc_errors; /* crc error in id address mark */ - unsigned int data_am_errors; /* data address mark not found */ - unsigned int data_crc_errors; /* crc error in data field */ - unsigned int overrun_errors; /* fdc access timing problem */ - unsigned int no_data_errors; /* sector not found */ - unsigned int retries; /* number of tape retries */ - /* ecc statistics */ - unsigned int crc_errors; /* crc error in data */ - unsigned int crc_failures; /* bad data without crc error */ - unsigned int ecc_failures; /* failed to correct */ - unsigned int corrected; /* total sectors corrected */ - /* general statistics */ - unsigned int rewinds; /* number of tape rewinds */ - unsigned int defects; /* bad sectors due to media defects */ -} history_record; - -/* this structure contains * ALL * information that we want - * our child modules to know about, but don't want them to - * modify. - */ -typedef struct { - /* vendor information */ - vendor_struct fti_drive_type; - /* data rates */ - unsigned int fti_used_data_rate; - unsigned int fti_drive_max_rate; - unsigned int fti_fdc_max_rate; - /* drive selection, either FTAPE_SEL_A/B/C/D */ - int fti_drive_sel; - /* flags set after decode the drive and tape status */ - unsigned int fti_formatted :1; - unsigned int fti_no_tape :1; - unsigned int fti_write_protected:1; - unsigned int fti_new_tape :1; - /* values of last queried drive/tape status and error */ - ft_drive_error fti_last_error; - ft_drive_status fti_last_status; - /* cartridge geometry */ - unsigned int fti_tracks_per_tape; - unsigned int fti_segments_per_track; - /* location of header segments, etc. */ - int fti_used_header_segment; - int fti_header_segment_1; - int fti_header_segment_2; - int fti_first_data_segment; - int fti_last_data_segment; - /* the format code as stored in the header segment */ - ft_format_type fti_format_code; - /* the following is the sole reason for the ftape_set_status() call */ - unsigned int fti_qic_std; - /* is tape running? */ - volatile enum runner_status_enum fti_runner_status; - /* is tape reading/writing/verifying/formatting/deleting */ - buffer_state_enum fti_state; - /* flags fatal hardware error */ - unsigned int fti_failure:1; - /* history record */ - history_record fti_history; -} ftape_info; - -/* vendor information */ -#define ft_drive_type ftape_status.fti_drive_type -/* data rates */ -#define ft_data_rate ftape_status.fti_used_data_rate -#define ft_drive_max_rate ftape_status.fti_drive_max_rate -#define ft_fdc_max_rate ftape_status.fti_fdc_max_rate -/* drive selection, either FTAPE_SEL_A/B/C/D */ -#define ft_drive_sel ftape_status.fti_drive_sel -/* flags set after decode the drive and tape status */ -#define ft_formatted ftape_status.fti_formatted -#define ft_no_tape ftape_status.fti_no_tape -#define ft_write_protected ftape_status.fti_write_protected -#define ft_new_tape ftape_status.fti_new_tape -/* values of last queried drive/tape status and error */ -#define ft_last_error ftape_status.fti_last_error -#define ft_last_status ftape_status.fti_last_status -/* cartridge geometry */ -#define ft_tracks_per_tape ftape_status.fti_tracks_per_tape -#define ft_segments_per_track ftape_status.fti_segments_per_track -/* the format code as stored in the header segment */ -#define ft_format_code ftape_status.fti_format_code -/* the qic status as returned by report drive configuration */ -#define ft_qic_std ftape_status.fti_qic_std -#define ft_used_header_segment ftape_status.fti_used_header_segment -#define ft_header_segment_1 ftape_status.fti_header_segment_1 -#define ft_header_segment_2 ftape_status.fti_header_segment_2 -#define ft_first_data_segment ftape_status.fti_first_data_segment -#define ft_last_data_segment ftape_status.fti_last_data_segment -/* is tape running? */ -#define ft_runner_status ftape_status.fti_runner_status -/* is tape reading/writing/verifying/formatting/deleting */ -#define ft_driver_state ftape_status.fti_state -/* flags fatal hardware error */ -#define ft_failure ftape_status.fti_failure -/* history record */ -#define ft_history ftape_status.fti_history - -/* - * ftape-ctl.c defined global vars. - */ -extern ftape_info ftape_status; -extern int ftape_segments_per_head; -extern int ftape_segments_per_cylinder; -extern int ftape_init_drive_needed; - -/* - * ftape-ctl.c defined global functions. - */ -extern int ftape_mmap(struct vm_area_struct *vma); -extern int ftape_enable(int drive_selection); -extern void ftape_disable(void); -extern int ftape_seek_to_bot(void); -extern int ftape_seek_to_eot(void); -extern int ftape_abort_operation(void); -extern void ftape_calc_timeouts(unsigned int qic_std, - unsigned int data_rate, - unsigned int tape_len); -extern int ftape_calibrate_data_rate(unsigned int qic_std); -extern const ftape_info *ftape_get_status(void); -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-ecc.c b/drivers/char/ftape/lowlevel/ftape-ecc.c deleted file mode 100644 index e5632f674bc..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-ecc.c +++ /dev/null @@ -1,853 +0,0 @@ -/* - * - * Copyright (c) 1993 Ning and David Mosberger. - - This is based on code originally written by Bas Laarhoven (bas@vimec.nl) - and David L. Brown, Jr., and incorporates improvements suggested by - Kai Harrekilde-Petersen. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-ecc.c,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/05 19:18:10 $ - * - * This file contains the Reed-Solomon error correction code - * for the QIC-40/80 floppy-tape driver for Linux. - */ - -#include - -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-ecc.h" - -/* Machines that are big-endian should define macro BIG_ENDIAN. - * Unfortunately, there doesn't appear to be a standard include file - * that works for all OSs. - */ - -#if defined(__sparc__) || defined(__hppa) -#define BIG_ENDIAN -#endif /* __sparc__ || __hppa */ - -#if defined(__mips__) -#error Find a smart way to determine the Endianness of the MIPS CPU -#endif - -/* Notice: to minimize the potential for confusion, we use r to - * denote the independent variable of the polynomials in the - * Galois Field GF(2^8). We reserve x for polynomials that - * that have coefficients in GF(2^8). - * - * The Galois Field in which coefficient arithmetic is performed are - * the polynomials over Z_2 (i.e., 0 and 1) modulo the irreducible - * polynomial f(r), where f(r)=r^8 + r^7 + r^2 + r + 1. A polynomial - * is represented as a byte with the MSB as the coefficient of r^7 and - * the LSB as the coefficient of r^0. For example, the binary - * representation of f(x) is 0x187 (of course, this doesn't fit into 8 - * bits). In this field, the polynomial r is a primitive element. - * That is, r^i with i in 0,...,255 enumerates all elements in the - * field. - * - * The generator polynomial for the QIC-80 ECC is - * - * g(x) = x^3 + r^105*x^2 + r^105*x + 1 - * - * which can be factored into: - * - * g(x) = (x-r^-1)(x-r^0)(x-r^1) - * - * the byte representation of the coefficients are: - * - * r^105 = 0xc0 - * r^-1 = 0xc3 - * r^0 = 0x01 - * r^1 = 0x02 - * - * Notice that r^-1 = r^254 as exponent arithmetic is performed - * modulo 2^8-1 = 255. - * - * For more information on Galois Fields and Reed-Solomon codes, refer - * to any good book. I found _An Introduction to Error Correcting - * Codes with Applications_ by S. A. Vanstone and P. C. van Oorschot - * to be a good introduction into the former. _CODING THEORY: The - * Essentials_ I found very useful for its concise description of - * Reed-Solomon encoding/decoding. - * - */ - -typedef __u8 Matrix[3][3]; - -/* - * gfpow[] is defined such that gfpow[i] returns r^i if - * i is in the range [0..255]. - */ -static const __u8 gfpow[] = -{ - 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, - 0x87, 0x89, 0x95, 0xad, 0xdd, 0x3d, 0x7a, 0xf4, - 0x6f, 0xde, 0x3b, 0x76, 0xec, 0x5f, 0xbe, 0xfb, - 0x71, 0xe2, 0x43, 0x86, 0x8b, 0x91, 0xa5, 0xcd, - 0x1d, 0x3a, 0x74, 0xe8, 0x57, 0xae, 0xdb, 0x31, - 0x62, 0xc4, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0x67, - 0xce, 0x1b, 0x36, 0x6c, 0xd8, 0x37, 0x6e, 0xdc, - 0x3f, 0x7e, 0xfc, 0x7f, 0xfe, 0x7b, 0xf6, 0x6b, - 0xd6, 0x2b, 0x56, 0xac, 0xdf, 0x39, 0x72, 0xe4, - 0x4f, 0x9e, 0xbb, 0xf1, 0x65, 0xca, 0x13, 0x26, - 0x4c, 0x98, 0xb7, 0xe9, 0x55, 0xaa, 0xd3, 0x21, - 0x42, 0x84, 0x8f, 0x99, 0xb5, 0xed, 0x5d, 0xba, - 0xf3, 0x61, 0xc2, 0x03, 0x06, 0x0c, 0x18, 0x30, - 0x60, 0xc0, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, - 0x47, 0x8e, 0x9b, 0xb1, 0xe5, 0x4d, 0x9a, 0xb3, - 0xe1, 0x45, 0x8a, 0x93, 0xa1, 0xc5, 0x0d, 0x1a, - 0x34, 0x68, 0xd0, 0x27, 0x4e, 0x9c, 0xbf, 0xf9, - 0x75, 0xea, 0x53, 0xa6, 0xcb, 0x11, 0x22, 0x44, - 0x88, 0x97, 0xa9, 0xd5, 0x2d, 0x5a, 0xb4, 0xef, - 0x59, 0xb2, 0xe3, 0x41, 0x82, 0x83, 0x81, 0x85, - 0x8d, 0x9d, 0xbd, 0xfd, 0x7d, 0xfa, 0x73, 0xe6, - 0x4b, 0x96, 0xab, 0xd1, 0x25, 0x4a, 0x94, 0xaf, - 0xd9, 0x35, 0x6a, 0xd4, 0x2f, 0x5e, 0xbc, 0xff, - 0x79, 0xf2, 0x63, 0xc6, 0x0b, 0x16, 0x2c, 0x58, - 0xb0, 0xe7, 0x49, 0x92, 0xa3, 0xc1, 0x05, 0x0a, - 0x14, 0x28, 0x50, 0xa0, 0xc7, 0x09, 0x12, 0x24, - 0x48, 0x90, 0xa7, 0xc9, 0x15, 0x2a, 0x54, 0xa8, - 0xd7, 0x29, 0x52, 0xa4, 0xcf, 0x19, 0x32, 0x64, - 0xc8, 0x17, 0x2e, 0x5c, 0xb8, 0xf7, 0x69, 0xd2, - 0x23, 0x46, 0x8c, 0x9f, 0xb9, 0xf5, 0x6d, 0xda, - 0x33, 0x66, 0xcc, 0x1f, 0x3e, 0x7c, 0xf8, 0x77, - 0xee, 0x5b, 0xb6, 0xeb, 0x51, 0xa2, 0xc3, 0x01 -}; - -/* - * This is a log table. That is, gflog[r^i] returns i (modulo f(r)). - * gflog[0] is undefined and the first element is therefore not valid. - */ -static const __u8 gflog[256] = -{ - 0xff, 0x00, 0x01, 0x63, 0x02, 0xc6, 0x64, 0x6a, - 0x03, 0xcd, 0xc7, 0xbc, 0x65, 0x7e, 0x6b, 0x2a, - 0x04, 0x8d, 0xce, 0x4e, 0xc8, 0xd4, 0xbd, 0xe1, - 0x66, 0xdd, 0x7f, 0x31, 0x6c, 0x20, 0x2b, 0xf3, - 0x05, 0x57, 0x8e, 0xe8, 0xcf, 0xac, 0x4f, 0x83, - 0xc9, 0xd9, 0xd5, 0x41, 0xbe, 0x94, 0xe2, 0xb4, - 0x67, 0x27, 0xde, 0xf0, 0x80, 0xb1, 0x32, 0x35, - 0x6d, 0x45, 0x21, 0x12, 0x2c, 0x0d, 0xf4, 0x38, - 0x06, 0x9b, 0x58, 0x1a, 0x8f, 0x79, 0xe9, 0x70, - 0xd0, 0xc2, 0xad, 0xa8, 0x50, 0x75, 0x84, 0x48, - 0xca, 0xfc, 0xda, 0x8a, 0xd6, 0x54, 0x42, 0x24, - 0xbf, 0x98, 0x95, 0xf9, 0xe3, 0x5e, 0xb5, 0x15, - 0x68, 0x61, 0x28, 0xba, 0xdf, 0x4c, 0xf1, 0x2f, - 0x81, 0xe6, 0xb2, 0x3f, 0x33, 0xee, 0x36, 0x10, - 0x6e, 0x18, 0x46, 0xa6, 0x22, 0x88, 0x13, 0xf7, - 0x2d, 0xb8, 0x0e, 0x3d, 0xf5, 0xa4, 0x39, 0x3b, - 0x07, 0x9e, 0x9c, 0x9d, 0x59, 0x9f, 0x1b, 0x08, - 0x90, 0x09, 0x7a, 0x1c, 0xea, 0xa0, 0x71, 0x5a, - 0xd1, 0x1d, 0xc3, 0x7b, 0xae, 0x0a, 0xa9, 0x91, - 0x51, 0x5b, 0x76, 0x72, 0x85, 0xa1, 0x49, 0xeb, - 0xcb, 0x7c, 0xfd, 0xc4, 0xdb, 0x1e, 0x8b, 0xd2, - 0xd7, 0x92, 0x55, 0xaa, 0x43, 0x0b, 0x25, 0xaf, - 0xc0, 0x73, 0x99, 0x77, 0x96, 0x5c, 0xfa, 0x52, - 0xe4, 0xec, 0x5f, 0x4a, 0xb6, 0xa2, 0x16, 0x86, - 0x69, 0xc5, 0x62, 0xfe, 0x29, 0x7d, 0xbb, 0xcc, - 0xe0, 0xd3, 0x4d, 0x8c, 0xf2, 0x1f, 0x30, 0xdc, - 0x82, 0xab, 0xe7, 0x56, 0xb3, 0x93, 0x40, 0xd8, - 0x34, 0xb0, 0xef, 0x26, 0x37, 0x0c, 0x11, 0x44, - 0x6f, 0x78, 0x19, 0x9a, 0x47, 0x74, 0xa7, 0xc1, - 0x23, 0x53, 0x89, 0xfb, 0x14, 0x5d, 0xf8, 0x97, - 0x2e, 0x4b, 0xb9, 0x60, 0x0f, 0xed, 0x3e, 0xe5, - 0xf6, 0x87, 0xa5, 0x17, 0x3a, 0xa3, 0x3c, 0xb7 -}; - -/* This is a multiplication table for the factor 0xc0 (i.e., r^105 (mod f(r)). - * gfmul_c0[f] returns r^105 * f(r) (modulo f(r)). - */ -static const __u8 gfmul_c0[256] = -{ - 0x00, 0xc0, 0x07, 0xc7, 0x0e, 0xce, 0x09, 0xc9, - 0x1c, 0xdc, 0x1b, 0xdb, 0x12, 0xd2, 0x15, 0xd5, - 0x38, 0xf8, 0x3f, 0xff, 0x36, 0xf6, 0x31, 0xf1, - 0x24, 0xe4, 0x23, 0xe3, 0x2a, 0xea, 0x2d, 0xed, - 0x70, 0xb0, 0x77, 0xb7, 0x7e, 0xbe, 0x79, 0xb9, - 0x6c, 0xac, 0x6b, 0xab, 0x62, 0xa2, 0x65, 0xa5, - 0x48, 0x88, 0x4f, 0x8f, 0x46, 0x86, 0x41, 0x81, - 0x54, 0x94, 0x53, 0x93, 0x5a, 0x9a, 0x5d, 0x9d, - 0xe0, 0x20, 0xe7, 0x27, 0xee, 0x2e, 0xe9, 0x29, - 0xfc, 0x3c, 0xfb, 0x3b, 0xf2, 0x32, 0xf5, 0x35, - 0xd8, 0x18, 0xdf, 0x1f, 0xd6, 0x16, 0xd1, 0x11, - 0xc4, 0x04, 0xc3, 0x03, 0xca, 0x0a, 0xcd, 0x0d, - 0x90, 0x50, 0x97, 0x57, 0x9e, 0x5e, 0x99, 0x59, - 0x8c, 0x4c, 0x8b, 0x4b, 0x82, 0x42, 0x85, 0x45, - 0xa8, 0x68, 0xaf, 0x6f, 0xa6, 0x66, 0xa1, 0x61, - 0xb4, 0x74, 0xb3, 0x73, 0xba, 0x7a, 0xbd, 0x7d, - 0x47, 0x87, 0x40, 0x80, 0x49, 0x89, 0x4e, 0x8e, - 0x5b, 0x9b, 0x5c, 0x9c, 0x55, 0x95, 0x52, 0x92, - 0x7f, 0xbf, 0x78, 0xb8, 0x71, 0xb1, 0x76, 0xb6, - 0x63, 0xa3, 0x64, 0xa4, 0x6d, 0xad, 0x6a, 0xaa, - 0x37, 0xf7, 0x30, 0xf0, 0x39, 0xf9, 0x3e, 0xfe, - 0x2b, 0xeb, 0x2c, 0xec, 0x25, 0xe5, 0x22, 0xe2, - 0x0f, 0xcf, 0x08, 0xc8, 0x01, 0xc1, 0x06, 0xc6, - 0x13, 0xd3, 0x14, 0xd4, 0x1d, 0xdd, 0x1a, 0xda, - 0xa7, 0x67, 0xa0, 0x60, 0xa9, 0x69, 0xae, 0x6e, - 0xbb, 0x7b, 0xbc, 0x7c, 0xb5, 0x75, 0xb2, 0x72, - 0x9f, 0x5f, 0x98, 0x58, 0x91, 0x51, 0x96, 0x56, - 0x83, 0x43, 0x84, 0x44, 0x8d, 0x4d, 0x8a, 0x4a, - 0xd7, 0x17, 0xd0, 0x10, 0xd9, 0x19, 0xde, 0x1e, - 0xcb, 0x0b, 0xcc, 0x0c, 0xc5, 0x05, 0xc2, 0x02, - 0xef, 0x2f, 0xe8, 0x28, 0xe1, 0x21, 0xe6, 0x26, - 0xf3, 0x33, 0xf4, 0x34, 0xfd, 0x3d, 0xfa, 0x3a -}; - - -/* Returns V modulo 255 provided V is in the range -255,-254,...,509. - */ -static inline __u8 mod255(int v) -{ - if (v > 0) { - if (v < 255) { - return v; - } else { - return v - 255; - } - } else { - return v + 255; - } -} - - -/* Add two numbers in the field. Addition in this field is equivalent - * to a bit-wise exclusive OR operation---subtraction is therefore - * identical to addition. - */ -static inline __u8 gfadd(__u8 a, __u8 b) -{ - return a ^ b; -} - - -/* Add two vectors of numbers in the field. Each byte in A and B gets - * added individually. - */ -static inline unsigned long gfadd_long(unsigned long a, unsigned long b) -{ - return a ^ b; -} - - -/* Multiply two numbers in the field: - */ -static inline __u8 gfmul(__u8 a, __u8 b) -{ - if (a && b) { - return gfpow[mod255(gflog[a] + gflog[b])]; - } else { - return 0; - } -} - - -/* Just like gfmul, except we have already looked up the log of the - * second number. - */ -static inline __u8 gfmul_exp(__u8 a, int b) -{ - if (a) { - return gfpow[mod255(gflog[a] + b)]; - } else { - return 0; - } -} - - -/* Just like gfmul_exp, except that A is a vector of numbers. That - * is, each byte in A gets multiplied by gfpow[mod255(B)]. - */ -static inline unsigned long gfmul_exp_long(unsigned long a, int b) -{ - __u8 t; - - if (sizeof(long) == 4) { - return ( - ((t = (__u32)a >> 24 & 0xff) ? - (((__u32) gfpow[mod255(gflog[t] + b)]) << 24) : 0) | - ((t = (__u32)a >> 16 & 0xff) ? - (((__u32) gfpow[mod255(gflog[t] + b)]) << 16) : 0) | - ((t = (__u32)a >> 8 & 0xff) ? - (((__u32) gfpow[mod255(gflog[t] + b)]) << 8) : 0) | - ((t = (__u32)a >> 0 & 0xff) ? - (((__u32) gfpow[mod255(gflog[t] + b)]) << 0) : 0)); - } else if (sizeof(long) == 8) { - return ( - ((t = (__u64)a >> 56 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 56) : 0) | - ((t = (__u64)a >> 48 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 48) : 0) | - ((t = (__u64)a >> 40 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 40) : 0) | - ((t = (__u64)a >> 32 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 32) : 0) | - ((t = (__u64)a >> 24 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 24) : 0) | - ((t = (__u64)a >> 16 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 16) : 0) | - ((t = (__u64)a >> 8 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 8) : 0) | - ((t = (__u64)a >> 0 & 0xff) ? - (((__u64) gfpow[mod255(gflog[t] + b)]) << 0) : 0)); - } else { - TRACE_FUN(ft_t_any); - TRACE_ABORT(-1, ft_t_err, "Error: size of long is %d bytes", - (int)sizeof(long)); - } -} - - -/* Divide two numbers in the field. Returns a/b (modulo f(x)). - */ -static inline __u8 gfdiv(__u8 a, __u8 b) -{ - if (!b) { - TRACE_FUN(ft_t_any); - TRACE_ABORT(0xff, ft_t_bug, "Error: division by zero"); - } else if (a == 0) { - return 0; - } else { - return gfpow[mod255(gflog[a] - gflog[b])]; - } -} - - -/* The following functions return the inverse of the matrix of the - * linear system that needs to be solved to determine the error - * magnitudes. The first deals with matrices of rank 3, while the - * second deals with matrices of rank 2. The error indices are passed - * in arguments L0,..,L2 (0=first sector, 31=last sector). The error - * indices must be sorted in ascending order, i.e., L00 CRC failures)"); - } - log_det = 255 - gflog[det]; - - /* Now, calculate all of the coefficients: - */ - Ainv[0][0]= gfmul_exp(gfadd(gfpow[l1], gfpow[l2]), log_det); - Ainv[0][1]= gfmul_exp(gfadd(t21, t12), log_det); - Ainv[0][2]= gfmul_exp(gfadd(gfpow[255 - l1], gfpow[255 - l2]),log_det); - - Ainv[1][0]= gfmul_exp(gfadd(gfpow[l0], gfpow[l2]), log_det); - Ainv[1][1]= gfmul_exp(gfadd(t20, t02), log_det); - Ainv[1][2]= gfmul_exp(gfadd(gfpow[255 - l0], gfpow[255 - l2]),log_det); - - Ainv[2][0]= gfmul_exp(gfadd(gfpow[l0], gfpow[l1]), log_det); - Ainv[2][1]= gfmul_exp(gfadd(t10, t01), log_det); - Ainv[2][2]= gfmul_exp(gfadd(gfpow[255 - l0], gfpow[255 - l1]),log_det); - - return 1; -} - - -static inline int gfinv2(__u8 l0, __u8 l1, Matrix Ainv) -{ - __u8 det; - __u8 t1, t2; - int log_det; - - t1 = gfpow[255 - l0]; - t2 = gfpow[255 - l1]; - det = gfadd(t1, t2); - if (!det) { - TRACE_FUN(ft_t_any); - TRACE_ABORT(0, ft_t_err, - "Inversion failed (2 CRC errors, >0 CRC failures)"); - } - log_det = 255 - gflog[det]; - - /* Now, calculate all of the coefficients: - */ - Ainv[0][0] = Ainv[1][0] = gfpow[log_det]; - - Ainv[0][1] = gfmul_exp(t2, log_det); - Ainv[1][1] = gfmul_exp(t1, log_det); - - return 1; -} - - -/* Multiply matrix A by vector S and return result in vector B. M is - * assumed to be of order NxN, S and B of order Nx1. - */ -static inline void gfmat_mul(int n, Matrix A, - __u8 *s, __u8 *b) -{ - int i, j; - __u8 dot_prod; - - for (i = 0; i < n; ++i) { - dot_prod = 0; - for (j = 0; j < n; ++j) { - dot_prod = gfadd(dot_prod, gfmul(A[i][j], s[j])); - } - b[i] = dot_prod; - } -} - - - -/* The Reed Solomon ECC codes are computed over the N-th byte of each - * block, where N=SECTOR_SIZE. There are up to 29 blocks of data, and - * 3 blocks of ECC. The blocks are stored contiguously in memory. A - * segment, consequently, is assumed to have at least 4 blocks: one or - * more data blocks plus three ECC blocks. - * - * Notice: In QIC-80 speak, a CRC error is a sector with an incorrect - * CRC. A CRC failure is a sector with incorrect data, but - * a valid CRC. In the error control literature, the former - * is usually called "erasure", the latter "error." - */ -/* Compute the parity bytes for C columns of data, where C is the - * number of bytes that fit into a long integer. We use a linear - * feed-back register to do this. The parity bytes P[0], P[STRIDE], - * P[2*STRIDE] are computed such that: - * - * x^k * p(x) + m(x) = 0 (modulo g(x)) - * - * where k = NBLOCKS, - * p(x) = P[0] + P[STRIDE]*x + P[2*STRIDE]*x^2, and - * m(x) = sum_{i=0}^k m_i*x^i. - * m_i = DATA[i*SECTOR_SIZE] - */ -static inline void set_parity(unsigned long *data, - int nblocks, - unsigned long *p, - int stride) -{ - unsigned long p0, p1, p2, t1, t2, *end; - - end = data + nblocks * (FT_SECTOR_SIZE / sizeof(long)); - p0 = p1 = p2 = 0; - while (data < end) { - /* The new parity bytes p0_i, p1_i, p2_i are computed - * from the old values p0_{i-1}, p1_{i-1}, p2_{i-1} - * recursively as: - * - * p0_i = p1_{i-1} + r^105 * (m_{i-1} - p0_{i-1}) - * p1_i = p2_{i-1} + r^105 * (m_{i-1} - p0_{i-1}) - * p2_i = (m_{i-1} - p0_{i-1}) - * - * With the initial condition: p0_0 = p1_0 = p2_0 = 0. - */ - t1 = gfadd_long(*data, p0); - /* - * Multiply each byte in t1 by 0xc0: - */ - if (sizeof(long) == 4) { - t2= (((__u32) gfmul_c0[(__u32)t1 >> 24 & 0xff]) << 24 | - ((__u32) gfmul_c0[(__u32)t1 >> 16 & 0xff]) << 16 | - ((__u32) gfmul_c0[(__u32)t1 >> 8 & 0xff]) << 8 | - ((__u32) gfmul_c0[(__u32)t1 >> 0 & 0xff]) << 0); - } else if (sizeof(long) == 8) { - t2= (((__u64) gfmul_c0[(__u64)t1 >> 56 & 0xff]) << 56 | - ((__u64) gfmul_c0[(__u64)t1 >> 48 & 0xff]) << 48 | - ((__u64) gfmul_c0[(__u64)t1 >> 40 & 0xff]) << 40 | - ((__u64) gfmul_c0[(__u64)t1 >> 32 & 0xff]) << 32 | - ((__u64) gfmul_c0[(__u64)t1 >> 24 & 0xff]) << 24 | - ((__u64) gfmul_c0[(__u64)t1 >> 16 & 0xff]) << 16 | - ((__u64) gfmul_c0[(__u64)t1 >> 8 & 0xff]) << 8 | - ((__u64) gfmul_c0[(__u64)t1 >> 0 & 0xff]) << 0); - } else { - TRACE_FUN(ft_t_any); - TRACE(ft_t_err, "Error: long is of size %d", - (int) sizeof(long)); - TRACE_EXIT; - } - p0 = gfadd_long(t2, p1); - p1 = gfadd_long(t2, p2); - p2 = t1; - data += FT_SECTOR_SIZE / sizeof(long); - } - *p = p0; - p += stride; - *p = p1; - p += stride; - *p = p2; - return; -} - - -/* Compute the 3 syndrome values. DATA should point to the first byte - * of the column for which the syndromes are desired. The syndromes - * are computed over the first NBLOCKS of rows. The three bytes will - * be placed in S[0], S[1], and S[2]. - * - * S[i] is the value of the "message" polynomial m(x) evaluated at the - * i-th root of the generator polynomial g(x). - * - * As g(x)=(x-r^-1)(x-1)(x-r^1) we evaluate the message polynomial at - * x=r^-1 to get S[0], at x=r^0=1 to get S[1], and at x=r to get S[2]. - * This could be done directly and efficiently via the Horner scheme. - * However, it would require multiplication tables for the factors - * r^-1 (0xc3) and r (0x02). The following scheme does not require - * any multiplication tables beyond what's needed for set_parity() - * anyway and is slightly faster if there are no errors and slightly - * slower if there are errors. The latter is hopefully the infrequent - * case. - * - * To understand the alternative algorithm, notice that set_parity(m, - * k, p) computes parity bytes such that: - * - * x^k * p(x) = m(x) (modulo g(x)). - * - * That is, to evaluate m(r^m), where r^m is a root of g(x), we can - * simply evaluate (r^m)^k*p(r^m). Also, notice that p is 0 if and - * only if s is zero. That is, if all parity bytes are 0, we know - * there is no error in the data and consequently there is no need to - * compute s(x) at all! In all other cases, we compute s(x) from p(x) - * by evaluating (r^m)^k*p(r^m) for m=-1, m=0, and m=1. The p(x) - * polynomial is evaluated via the Horner scheme. - */ -static int compute_syndromes(unsigned long *data, int nblocks, unsigned long *s) -{ - unsigned long p[3]; - - set_parity(data, nblocks, p, 1); - if (p[0] | p[1] | p[2]) { - /* Some of the checked columns do not have a zero - * syndrome. For simplicity, we compute the syndromes - * for all columns that we have computed the - * remainders for. - */ - s[0] = gfmul_exp_long( - gfadd_long(p[0], - gfmul_exp_long( - gfadd_long(p[1], - gfmul_exp_long(p[2], -1)), - -1)), - -nblocks); - s[1] = gfadd_long(gfadd_long(p[2], p[1]), p[0]); - s[2] = gfmul_exp_long( - gfadd_long(p[0], - gfmul_exp_long( - gfadd_long(p[1], - gfmul_exp_long(p[2], 1)), - 1)), - nblocks); - return 0; - } else { - return 1; - } -} - - -/* Correct the block in the column pointed to by DATA. There are NBAD - * CRC errors and their indices are in BAD_LOC[0], up to - * BAD_LOC[NBAD-1]. If NBAD>1, Ainv holds the inverse of the matrix - * of the linear system that needs to be solved to determine the error - * magnitudes. S[0], S[1], and S[2] are the syndrome values. If row - * j gets corrected, then bit j will be set in CORRECTION_MAP. - */ -static inline int correct_block(__u8 *data, int nblocks, - int nbad, int *bad_loc, Matrix Ainv, - __u8 *s, - SectorMap * correction_map) -{ - int ncorrected = 0; - int i; - __u8 t1, t2; - __u8 c0, c1, c2; /* check bytes */ - __u8 error_mag[3], log_error_mag; - __u8 *dp, l, e; - TRACE_FUN(ft_t_any); - - switch (nbad) { - case 0: - /* might have a CRC failure: */ - if (s[0] == 0) { - /* more than one error */ - TRACE_ABORT(-1, ft_t_err, - "ECC failed (0 CRC errors, >1 CRC failures)"); - } - t1 = gfdiv(s[1], s[0]); - if ((bad_loc[nbad++] = gflog[t1]) >= nblocks) { - TRACE(ft_t_err, - "ECC failed (0 CRC errors, >1 CRC failures)"); - TRACE_ABORT(-1, ft_t_err, - "attempt to correct data at %d", bad_loc[0]); - } - error_mag[0] = s[1]; - break; - case 1: - t1 = gfadd(gfmul_exp(s[1], bad_loc[0]), s[2]); - t2 = gfadd(gfmul_exp(s[0], bad_loc[0]), s[1]); - if (t1 == 0 && t2 == 0) { - /* one erasure, no error: */ - Ainv[0][0] = gfpow[bad_loc[0]]; - } else if (t1 == 0 || t2 == 0) { - /* one erasure and more than one error: */ - TRACE_ABORT(-1, ft_t_err, - "ECC failed (1 erasure, >1 error)"); - } else { - /* one erasure, one error: */ - if ((bad_loc[nbad++] = gflog[gfdiv(t1, t2)]) - >= nblocks) { - TRACE(ft_t_err, "ECC failed " - "(1 CRC errors, >1 CRC failures)"); - TRACE_ABORT(-1, ft_t_err, - "attempt to correct data at %d", - bad_loc[1]); - } - if (!gfinv2(bad_loc[0], bad_loc[1], Ainv)) { - /* inversion failed---must have more - * than one error - */ - TRACE_EXIT -1; - } - } - /* FALL THROUGH TO ERROR MAGNITUDE COMPUTATION: - */ - case 2: - case 3: - /* compute error magnitudes: */ - gfmat_mul(nbad, Ainv, s, error_mag); - break; - - default: - TRACE_ABORT(-1, ft_t_err, - "Internal Error: number of CRC errors > 3"); - } - - /* Perform correction by adding ERROR_MAG[i] to the byte at - * offset BAD_LOC[i]. Also add the value of the computed - * error polynomial to the syndrome values. If the correction - * was successful, the resulting check bytes should be zero - * (i.e., the corrected data is a valid code word). - */ - c0 = s[0]; - c1 = s[1]; - c2 = s[2]; - for (i = 0; i < nbad; ++i) { - e = error_mag[i]; - if (e) { - /* correct the byte at offset L by magnitude E: */ - l = bad_loc[i]; - dp = &data[l * FT_SECTOR_SIZE]; - *dp = gfadd(*dp, e); - *correction_map |= 1 << l; - ++ncorrected; - - log_error_mag = gflog[e]; - c0 = gfadd(c0, gfpow[mod255(log_error_mag - l)]); - c1 = gfadd(c1, e); - c2 = gfadd(c2, gfpow[mod255(log_error_mag + l)]); - } - } - if (c0 || c1 || c2) { - TRACE_ABORT(-1, ft_t_err, - "ECC self-check failed, too many errors"); - } - TRACE_EXIT ncorrected; -} - - -#if defined(ECC_SANITY_CHECK) || defined(ECC_PARANOID) - -/* Perform a sanity check on the computed parity bytes: - */ -static int sanity_check(unsigned long *data, int nblocks) -{ - TRACE_FUN(ft_t_any); - unsigned long s[3]; - - if (!compute_syndromes(data, nblocks, s)) { - TRACE_ABORT(0, ft_bug, - "Internal Error: syndrome self-check failed"); - } - TRACE_EXIT 1; -} - -#endif /* defined(ECC_SANITY_CHECK) || defined(ECC_PARANOID) */ - -/* Compute the parity for an entire segment of data. - */ -int ftape_ecc_set_segment_parity(struct memory_segment *mseg) -{ - int i; - __u8 *parity_bytes; - - parity_bytes = &mseg->data[(mseg->blocks - 3) * FT_SECTOR_SIZE]; - for (i = 0; i < FT_SECTOR_SIZE; i += sizeof(long)) { - set_parity((unsigned long *) &mseg->data[i], mseg->blocks - 3, - (unsigned long *) &parity_bytes[i], - FT_SECTOR_SIZE / sizeof(long)); -#ifdef ECC_PARANOID - if (!sanity_check((unsigned long *) &mseg->data[i], - mseg->blocks)) { - return -1; - } -#endif /* ECC_PARANOID */ - } - return 0; -} - - -/* Checks and corrects (if possible) the segment MSEG. Returns one of - * ECC_OK, ECC_CORRECTED, and ECC_FAILED. - */ -int ftape_ecc_correct_data(struct memory_segment *mseg) -{ - int col, i, result; - int ncorrected = 0; - int nerasures = 0; /* # of erasures (CRC errors) */ - int erasure_loc[3]; /* erasure locations */ - unsigned long ss[3]; - __u8 s[3]; - Matrix Ainv; - TRACE_FUN(ft_t_flow); - - mseg->corrected = 0; - - /* find first column that has non-zero syndromes: */ - for (col = 0; col < FT_SECTOR_SIZE; col += sizeof(long)) { - if (!compute_syndromes((unsigned long *) &mseg->data[col], - mseg->blocks, ss)) { - /* something is wrong---have to fix things */ - break; - } - } - if (col >= FT_SECTOR_SIZE) { - /* all syndromes are ok, therefore nothing to correct */ - TRACE_EXIT ECC_OK; - } - /* count the number of CRC errors if there were any: */ - if (mseg->read_bad) { - for (i = 0; i < mseg->blocks; i++) { - if (BAD_CHECK(mseg->read_bad, i)) { - if (nerasures >= 3) { - /* this is too much for ECC */ - TRACE_ABORT(ECC_FAILED, ft_t_err, - "ECC failed (>3 CRC errors)"); - } /* if */ - erasure_loc[nerasures++] = i; - } - } - } - /* - * If there are at least 2 CRC errors, determine inverse of matrix - * of linear system to be solved: - */ - switch (nerasures) { - case 2: - if (!gfinv2(erasure_loc[0], erasure_loc[1], Ainv)) { - TRACE_EXIT ECC_FAILED; - } - break; - case 3: - if (!gfinv3(erasure_loc[0], erasure_loc[1], - erasure_loc[2], Ainv)) { - TRACE_EXIT ECC_FAILED; - } - break; - default: - /* this is not an error condition... */ - break; - } - - do { - for (i = 0; i < sizeof(long); ++i) { - s[0] = ss[0]; - s[1] = ss[1]; - s[2] = ss[2]; - if (s[0] | s[1] | s[2]) { -#ifdef BIG_ENDIAN - result = correct_block( - &mseg->data[col + sizeof(long) - 1 - i], - mseg->blocks, - nerasures, - erasure_loc, - Ainv, - s, - &mseg->corrected); -#else - result = correct_block(&mseg->data[col + i], - mseg->blocks, - nerasures, - erasure_loc, - Ainv, - s, - &mseg->corrected); -#endif - if (result < 0) { - TRACE_EXIT ECC_FAILED; - } - ncorrected += result; - } - ss[0] >>= 8; - ss[1] >>= 8; - ss[2] >>= 8; - } - -#ifdef ECC_SANITY_CHECK - if (!sanity_check((unsigned long *) &mseg->data[col], - mseg->blocks)) { - TRACE_EXIT ECC_FAILED; - } -#endif /* ECC_SANITY_CHECK */ - - /* find next column with non-zero syndromes: */ - while ((col += sizeof(long)) < FT_SECTOR_SIZE) { - if (!compute_syndromes((unsigned long *) - &mseg->data[col], mseg->blocks, ss)) { - /* something is wrong---have to fix things */ - break; - } - } - } while (col < FT_SECTOR_SIZE); - if (ncorrected && nerasures == 0) { - TRACE(ft_t_warn, "block contained error not caught by CRC"); - } - TRACE((ncorrected > 0) ? ft_t_noise : ft_t_any, "number of corrections: %d", ncorrected); - TRACE_EXIT ncorrected ? ECC_CORRECTED : ECC_OK; -} diff --git a/drivers/char/ftape/lowlevel/ftape-ecc.h b/drivers/char/ftape/lowlevel/ftape-ecc.h deleted file mode 100644 index 4829146fe9a..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-ecc.h +++ /dev/null @@ -1,84 +0,0 @@ -#ifndef _FTAPE_ECC_H_ -#define _FTAPE_ECC_H_ - -/* - * Copyright (C) 1993 Ning and David Mosberger. - * Original: - * Copyright (C) 1993 Bas Laarhoven. - * Copyright (C) 1992 David L. Brown, Jr. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-ecc.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:11 $ - * - * This file contains the definitions for the - * Reed-Solomon error correction code - * for the QIC-40/80 tape streamer device driver. - */ - -#include "../lowlevel/ftape-bsm.h" - -#define BAD_CLEAR(entry) ((entry)=0) -#define BAD_SET(entry,sector) ((entry)|=(1<<(sector))) -#define BAD_CHECK(entry,sector) ((entry)&(1<<(sector))) - -/* - * Return values for ecc_correct_data: - */ -enum { - ECC_OK, /* Data was correct. */ - ECC_CORRECTED, /* Correctable error in data. */ - ECC_FAILED, /* Could not correct data. */ -}; - -/* - * Representation of an in memory segment. MARKED_BAD lists the - * sectors that were marked bad during formatting. If the N-th sector - * in a segment is marked bad, bit 1< -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-ecc.h" -#include "../lowlevel/ftape-bsm.h" -#include "../lowlevel/ftape-format.h" - -#if defined(TESTING) -#define FT_FMT_SEGS_PER_BUF 50 -#else -#define FT_FMT_SEGS_PER_BUF (FT_BUFF_SIZE/(4*FT_SECTORS_PER_SEGMENT)) -#endif - -static spinlock_t ftape_format_lock; - -/* - * first segment of the new buffer - */ -static int switch_segment; - -/* - * at most 256 segments fit into one 32 kb buffer. Even TR-1 cartridges have - * more than this many segments per track, so better be careful. - * - * buffer_struct *buff: buffer to store the formatting coordinates in - * int start: starting segment for this buffer. - * int spt: segments per track - * - * Note: segment ids are relative to the start of the track here. - */ -static void setup_format_buffer(buffer_struct *buff, int start, int spt, - __u8 gap3) -{ - int to_do = spt - start; - TRACE_FUN(ft_t_flow); - - if (to_do > FT_FMT_SEGS_PER_BUF) { - to_do = FT_FMT_SEGS_PER_BUF; - } - buff->ptr = buff->address; - buff->remaining = to_do * FT_SECTORS_PER_SEGMENT; /* # sectors */ - buff->bytes = buff->remaining * 4; /* need 4 bytes per sector */ - buff->gap3 = gap3; - buff->segment_id = start; - buff->next_segment = start + to_do; - if (buff->next_segment >= spt) { - buff->next_segment = 0; /* 0 means: stop runner */ - } - buff->status = waiting; /* tells the isr that it can use - * this buffer - */ - TRACE_EXIT; -} - - -/* - * start formatting a new track. - */ -int ftape_format_track(const unsigned int track, const __u8 gap3) -{ - unsigned long flags; - buffer_struct *tail, *head; - int status; - TRACE_FUN(ft_t_flow); - - TRACE_CATCH(ftape_ready_wait(ftape_timeout.pause, &status),); - if (track & 1) { - if (!(status & QIC_STATUS_AT_EOT)) { - TRACE_CATCH(ftape_seek_to_eot(),); - } - } else { - if (!(status & QIC_STATUS_AT_BOT)) { - TRACE_CATCH(ftape_seek_to_bot(),); - } - } - ftape_abort_operation(); /* this sets ft_head = ft_tail = 0 */ - ftape_set_state(formatting); - - TRACE(ft_t_noise, - "Formatting track %d, logical: from segment %d to %d", - track, track * ft_segments_per_track, - (track + 1) * ft_segments_per_track - 1); - - /* - * initialize the buffer switching protocol for this track - */ - head = ftape_get_buffer(ft_queue_head); /* tape isn't running yet */ - tail = ftape_get_buffer(ft_queue_tail); /* tape isn't running yet */ - switch_segment = 0; - do { - FT_SIGNAL_EXIT(_DONT_BLOCK); - setup_format_buffer(tail, switch_segment, - ft_segments_per_track, gap3); - switch_segment = tail->next_segment; - } while ((switch_segment != 0) && - ((tail = ftape_next_buffer(ft_queue_tail)) != head)); - /* go */ - head->status = formatting; - TRACE_CATCH(ftape_seek_head_to_track(track),); - TRACE_CATCH(ftape_command(QIC_LOGICAL_FORWARD),); - spin_lock_irqsave(&ftape_format_lock, flags); - TRACE_CATCH(fdc_setup_formatting(head), restore_flags(flags)); - spin_unlock_irqrestore(&ftape_format_lock, flags); - TRACE_EXIT 0; -} - -/* return segment id of segment currently being formatted and do the - * buffer switching stuff. - */ -int ftape_format_status(unsigned int *segment_id) -{ - buffer_struct *tail = ftape_get_buffer(ft_queue_tail); - int result; - TRACE_FUN(ft_t_flow); - - while (switch_segment != 0 && - ftape_get_buffer(ft_queue_head) != tail) { - FT_SIGNAL_EXIT(_DONT_BLOCK); - /* need more buffers, first wait for empty buffer - */ - TRACE_CATCH(ftape_wait_segment(formatting),); - /* don't worry for gap3. If we ever hit this piece of code, - * then all buffer already have the correct gap3 set! - */ - setup_format_buffer(tail, switch_segment, - ft_segments_per_track, tail->gap3); - switch_segment = tail->next_segment; - if (switch_segment != 0) { - tail = ftape_next_buffer(ft_queue_tail); - } - } - /* should runner stop ? - */ - if (ft_runner_status == aborting || ft_runner_status == do_abort) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - TRACE(ft_t_warn, "Error formatting segment %d", - ftape_get_buffer(ft_queue_head)->segment_id); - (void)ftape_abort_operation(); - TRACE_EXIT (head->status != error) ? -EAGAIN : -EIO; - } - /* - * don't care if the timer expires, this is just kind of a - * "select" operation that lets the calling process sleep - * until something has happened - */ - if (fdc_interrupt_wait(5 * FT_SECOND) < 0) { - TRACE(ft_t_noise, "End of track %d at segment %d", - ft_location.track, - ftape_get_buffer(ft_queue_head)->segment_id); - result = 1; /* end of track, unlock module */ - } else { - result = 0; - } - /* - * the calling process should use the seg id to determine - * which parts of the dma buffers can be safely overwritten - * with new data. - */ - *segment_id = ftape_get_buffer(ft_queue_head)->segment_id; - /* - * Internally we start counting segment ids from the start of - * each track when formatting, but externally we keep them - * relative to the start of the tape: - */ - *segment_id += ft_location.track * ft_segments_per_track; - TRACE_EXIT result; -} - -/* - * The segment id is relative to the start of the tape - */ -int ftape_verify_segment(const unsigned int segment_id, SectorMap *bsm) -{ - int result; - int verify_done = 0; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Verifying segment %d", segment_id); - - if (ft_driver_state != verifying) { - TRACE(ft_t_noise, "calling ftape_abort_operation"); - if (ftape_abort_operation() < 0) { - TRACE(ft_t_err, "ftape_abort_operation failed"); - TRACE_EXIT -EIO; - } - } - *bsm = 0x00000000; - ftape_set_state(verifying); - for (;;) { - buffer_struct *tail; - /* - * Allow escape from this loop on signal - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - /* - * Search all full buffers for the first matching the - * wanted segment. Clear other buffers on the fly. - */ - tail = ftape_get_buffer(ft_queue_tail); - while (!verify_done && tail->status == done) { - /* - * Allow escape from this loop on signal ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - if (tail->segment_id == segment_id) { - /* If out buffer is already full, - * return its contents. - */ - TRACE(ft_t_flow, "found segment in cache: %d", - segment_id); - if ((tail->soft_error_map | - tail->hard_error_map) != 0) { - TRACE(ft_t_info,"bsm[%d] = 0x%08lx", - segment_id, - (unsigned long) - (tail->soft_error_map | - tail->hard_error_map)); - *bsm = (tail->soft_error_map | - tail->hard_error_map); - } - verify_done = 1; - } else { - TRACE(ft_t_flow,"zapping segment in cache: %d", - tail->segment_id); - } - tail->status = waiting; - tail = ftape_next_buffer(ft_queue_tail); - } - if (!verify_done && tail->status == verifying) { - if (tail->segment_id == segment_id) { - switch(ftape_wait_segment(verifying)) { - case 0: - break; - case -EINTR: - TRACE_ABORT(-EINTR, ft_t_warn, - "interrupted by " - "non-blockable signal"); - break; - default: - ftape_abort_operation(); - ftape_set_state(verifying); - /* be picky */ - TRACE_ABORT(-EIO, ft_t_warn, - "wait_segment failed"); - } - } else { - /* We're reading the wrong segment, - * stop runner. - */ - TRACE(ft_t_noise, "verifying wrong segment"); - ftape_abort_operation(); - ftape_set_state(verifying); - } - } - /* should runner stop ? - */ - if (ft_runner_status == aborting) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - if (head->status == error || - head->status == verifying) { - /* no data or overrun error */ - head->status = waiting; - } - TRACE_CATCH(ftape_dumb_stop(),); - } else { - /* If just passed last segment on tape: wait - * for BOT or EOT mark. Sets ft_runner_status to - * idle if at lEOT and successful - */ - TRACE_CATCH(ftape_handle_logical_eot(),); - } - if (verify_done) { - TRACE_EXIT 0; - } - /* Now at least one buffer is idle! - * Restart runner & tape if needed. - */ - /* We could optimize the following a little bit. We know that - * the bad sector map is empty. - */ - tail = ftape_get_buffer(ft_queue_tail); - if (tail->status == waiting) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - - ftape_setup_new_segment(head, segment_id, -1); - ftape_calc_next_cluster(head); - if (ft_runner_status == idle) { - result = ftape_start_tape(segment_id, - head->sector_offset); - switch(result) { - case 0: - break; - case -ETIME: - case -EINTR: - TRACE_ABORT(result, ft_t_err, "Error: " - "segment %d unreachable", - segment_id); - break; - default: - *bsm = EMPTY_SEGMENT; - TRACE_EXIT 0; - break; - } - } - head->status = verifying; - fdc_setup_read_write(head, FDC_VERIFY); - } - } - /* not reached */ - TRACE_EXIT -EIO; -} diff --git a/drivers/char/ftape/lowlevel/ftape-format.h b/drivers/char/ftape/lowlevel/ftape-format.h deleted file mode 100644 index f1516156664..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-format.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _FTAPE_FORMAT_H -#define _FTAPE_FORMAT_H - -/* - * Copyright (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-format.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:13 $ - * - * This file contains the low level definitions for the - * formatting support for the QIC-40/80/3010/3020 floppy-tape - * driver "ftape" for Linux. - */ - -#ifdef __KERNEL__ -extern int ftape_format_track(const unsigned int track, const __u8 gap3); -extern int ftape_format_status(unsigned int *segment_id); -extern int ftape_verify_segment(const unsigned int segment_id, SectorMap *bsm); -#endif /* __KERNEL__ */ - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-init.c b/drivers/char/ftape/lowlevel/ftape-init.c deleted file mode 100644 index 4998132a81d..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-init.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * This file contains the code that interfaces the kernel - * for the QIC-40/80/3010/3020 floppy-tape driver for Linux. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#ifdef CONFIG_ZFTAPE -#include -#endif - -#include "../lowlevel/ftape-init.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-buffer.h" -#include "../lowlevel/ftape-proc.h" -#include "../lowlevel/ftape-tracing.h" - - -#if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) -static int ft_tracing = -1; -#endif - - -/* Called by modules package when installing the driver - * or by kernel during the initialization phase - */ -static int __init ftape_init(void) -{ - TRACE_FUN(ft_t_flow); - -#ifdef MODULE -#ifndef CONFIG_FT_NO_TRACE_AT_ALL - if (ft_tracing != -1) { - ftape_tracing = ft_tracing; - } -#endif - printk(KERN_INFO FTAPE_VERSION "\n"); - if (TRACE_LEVEL >= ft_t_info) { - printk( -KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n" -KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n" -KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n" -KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n"); - } -#else /* !MODULE */ - /* print a short no-nonsense boot message */ - printk(KERN_INFO FTAPE_VERSION "\n"); -#endif /* MODULE */ - TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... "); - TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init); - /* Allocate the DMA buffers. They are deallocated at cleanup() time. - */ -#ifdef TESTING -#ifdef MODULE - while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) { - ftape_sleep(FT_SECOND/20); - if (signal_pending(current)) { - (void)ftape_set_nr_buffers(0); - TRACE(ft_t_bug, - "Killed by signal while allocating buffers."); - TRACE_ABORT(-EINTR, - ft_t_bug, "Free up memory and retry"); - } - } -#else - TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS), - (void)ftape_set_nr_buffers(0)); -#endif -#else - TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS), - (void)ftape_set_nr_buffers(0)); -#endif - ft_drive_sel = -1; - ft_failure = 1; /* inhibit any operation but open */ - ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */ - fdc_wait_calibrate(); -#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) - (void)ftape_proc_init(); -#endif -#ifdef CONFIG_ZFTAPE - (void)zft_init(); -#endif - TRACE_EXIT 0; -} - -module_param(ft_fdc_base, uint, 0); -MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller."); -module_param(ft_fdc_irq, uint, 0); -MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use."); -module_param(ft_fdc_dma, uint, 0); -MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use."); -module_param(ft_fdc_threshold, uint, 0); -MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo."); -module_param(ft_fdc_rate_limit, uint, 0); -MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC."); -module_param(ft_probe_fc10, bool, 0); -MODULE_PARM_DESC(ft_probe_fc10, - "If non-zero, probe for a Colorado FC-10/FC-20 controller."); -module_param(ft_mach2, bool, 0); -MODULE_PARM_DESC(ft_mach2, - "If non-zero, probe for a Mountain MACH-2 controller."); -#if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) -module_param(ft_tracing, int, 0644); -MODULE_PARM_DESC(ft_tracing, - "Amount of debugging output, 0 <= tracing <= 8, default 3."); -#endif - -MODULE_AUTHOR( - "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), " - "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), " - "(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)"); -MODULE_DESCRIPTION( - "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives."); -MODULE_LICENSE("GPL"); - -static void __exit ftape_exit(void) -{ - TRACE_FUN(ft_t_flow); - -#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) - ftape_proc_destroy(); -#endif - (void)ftape_set_nr_buffers(0); - printk(KERN_INFO "ftape: unloaded.\n"); - TRACE_EXIT; -} - -module_init(ftape_init); -module_exit(ftape_exit); diff --git a/drivers/char/ftape/lowlevel/ftape-init.h b/drivers/char/ftape/lowlevel/ftape-init.h deleted file mode 100644 index 99a7b8ab086..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-init.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifndef _FTAPE_INIT_H -#define _FTAPE_INIT_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-init.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:16 $ - * - * This file contains the definitions for the interface to - * the Linux kernel for floppy tape driver ftape. - * - */ - -#include -#include - -#define _NEVER_BLOCK (sigmask(SIGKILL) | sigmask(SIGSTOP)) -#define _DONT_BLOCK (_NEVER_BLOCK | sigmask(SIGINT)) -#define _DO_BLOCK (sigmask(SIGPIPE)) - -#ifndef QIC117_TAPE_MAJOR -#define QIC117_TAPE_MAJOR 27 -#endif - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-io.c b/drivers/char/ftape/lowlevel/ftape-io.c deleted file mode 100644 index 259015aeff5..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-io.c +++ /dev/null @@ -1,992 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996 Kai Harrekilde-Petersen, - * (C) 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-io.c,v $ - * $Revision: 1.4 $ - * $Date: 1997/11/11 14:02:36 $ - * - * This file contains the general control functions for the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-init.h" -#include "../lowlevel/ftape-calibr.h" - -/* Global vars. - */ -/* NOTE: sectors start numbering at 1, all others at 0 ! */ -ft_timeout_table ftape_timeout; -unsigned int ftape_tape_len; -volatile qic117_cmd_t ftape_current_command; -const struct qic117_command_table qic117_cmds[] = QIC117_COMMANDS; -int ftape_might_be_off_track; - -/* Local vars. - */ -static int diagnostic_mode; -static unsigned int ftape_udelay_count; -static unsigned int ftape_udelay_time; - -void ftape_udelay(unsigned int usecs) -{ - volatile int count = (ftape_udelay_count * usecs + - ftape_udelay_count - 1) / ftape_udelay_time; - volatile int i; - - while (count-- > 0) { - for (i = 0; i < 20; ++i); - } -} - -void ftape_udelay_calibrate(void) -{ - ftape_calibrate("ftape_udelay", - ftape_udelay, &ftape_udelay_count, &ftape_udelay_time); -} - -/* Delay (msec) routine. - */ -void ftape_sleep(unsigned int time) -{ - TRACE_FUN(ft_t_any); - - time *= 1000; /* msecs -> usecs */ - if (time < FT_USPT) { - /* Time too small for scheduler, do a busy wait ! */ - ftape_udelay(time); - } else { - long timeout; - unsigned long flags; - unsigned int ticks = (time + FT_USPT - 1) / FT_USPT; - - TRACE(ft_t_any, "%d msec, %d ticks", time/1000, ticks); - timeout = ticks; - save_flags(flags); - sti(); - msleep_interruptible(jiffies_to_msecs(timeout)); - /* Mmm. Isn't current->blocked == 0xffffffff ? - */ - if (signal_pending(current)) { - TRACE(ft_t_err, "awoken by non-blocked signal :-("); - } - restore_flags(flags); - } - TRACE_EXIT; -} - -/* send a command or parameter to the drive - * Generates # of step pulses. - */ -static inline int ft_send_to_drive(int arg) -{ - /* Always wait for a command_timeout period to separate - * individuals commands and/or parameters. - */ - ftape_sleep(3 * FT_MILLISECOND); - /* Keep cylinder nr within range, step towards home if possible. - */ - if (ftape_current_cylinder >= arg) { - return fdc_seek(ftape_current_cylinder - arg); - } else { - return fdc_seek(ftape_current_cylinder + arg); - } -} - -/* forward */ int ftape_report_raw_drive_status(int *status); - -static int ft_check_cmd_restrictions(qic117_cmd_t command) -{ - int status = -1; - TRACE_FUN(ft_t_any); - - TRACE(ft_t_flow, "%s", qic117_cmds[command].name); - /* A new motion command during an uninterruptible (motion) - * command requires a ready status before the new command can - * be issued. Otherwise a new motion command needs to be - * checked against required status. - */ - if (qic117_cmds[command].cmd_type == motion && - qic117_cmds[ftape_current_command].non_intr) { - ftape_report_raw_drive_status(&status); - if ((status & QIC_STATUS_READY) == 0) { - TRACE(ft_t_noise, - "motion cmd (%d) during non-intr cmd (%d)", - command, ftape_current_command); - TRACE(ft_t_noise, "waiting until drive gets ready"); - ftape_ready_wait(ftape_timeout.seek, - &status); - } - } - if (qic117_cmds[command].mask != 0) { - __u8 difference; - /* Some commands do require a certain status: - */ - if (status == -1) { /* not yet set */ - ftape_report_raw_drive_status(&status); - } - difference = ((status ^ qic117_cmds[command].state) & - qic117_cmds[command].mask); - /* Wait until the drive gets - * ready. This may last forever if - * the drive never gets ready... - */ - while ((difference & QIC_STATUS_READY) != 0) { - TRACE(ft_t_noise, "command %d issued while not ready", - command); - TRACE(ft_t_noise, "waiting until drive gets ready"); - if (ftape_ready_wait(ftape_timeout.seek, - &status) == -EINTR) { - /* Bail out on signal ! - */ - TRACE_ABORT(-EINTR, ft_t_warn, - "interrupted by non-blockable signal"); - } - difference = ((status ^ qic117_cmds[command].state) & - qic117_cmds[command].mask); - } - while ((difference & QIC_STATUS_ERROR) != 0) { - int err; - qic117_cmd_t cmd; - - TRACE(ft_t_noise, - "command %d issued while error pending", - command); - TRACE(ft_t_noise, "clearing error status"); - ftape_report_error(&err, &cmd, 1); - ftape_report_raw_drive_status(&status); - difference = ((status ^ qic117_cmds[command].state) & - qic117_cmds[command].mask); - if ((difference & QIC_STATUS_ERROR) != 0) { - /* Bail out on fatal signal ! - */ - FT_SIGNAL_EXIT(_NEVER_BLOCK); - } - } - if (difference) { - /* Any remaining difference can't be solved - * here. - */ - if (difference & (QIC_STATUS_CARTRIDGE_PRESENT | - QIC_STATUS_NEW_CARTRIDGE | - QIC_STATUS_REFERENCED)) { - TRACE(ft_t_warn, - "Fatal: tape removed or reinserted !"); - ft_failure = 1; - } else { - TRACE(ft_t_err, "wrong state: 0x%02x should be: 0x%02x", - status & qic117_cmds[command].mask, - qic117_cmds[command].state); - } - TRACE_EXIT -EIO; - } - if (~status & QIC_STATUS_READY & qic117_cmds[command].mask) { - TRACE_ABORT(-EBUSY, ft_t_err, "Bad: still busy!"); - } - } - TRACE_EXIT 0; -} - -/* Issue a tape command: - */ -int ftape_command(qic117_cmd_t command) -{ - int result = 0; - static int level; - TRACE_FUN(ft_t_any); - - if ((unsigned int)command > NR_ITEMS(qic117_cmds)) { - /* This is a bug we'll want to know about too. - */ - TRACE_ABORT(-EIO, ft_t_bug, "bug - bad command: %d", command); - } - if (++level > 5) { /* This is a bug we'll want to know about. */ - --level; - TRACE_ABORT(-EIO, ft_t_bug, "bug - recursion for command: %d", - command); - } - /* disable logging and restriction check for some commands, - * check all other commands that have a prescribed starting - * status. - */ - if (diagnostic_mode) { - TRACE(ft_t_flow, "diagnostic command %d", command); - } else if (command == QIC_REPORT_DRIVE_STATUS || - command == QIC_REPORT_NEXT_BIT) { - TRACE(ft_t_any, "%s", qic117_cmds[command].name); - } else { - TRACE_CATCH(ft_check_cmd_restrictions(command), --level); - } - /* Now all conditions are met or result was < 0. - */ - result = ft_send_to_drive((unsigned int)command); - if (qic117_cmds[command].cmd_type == motion && - command != QIC_LOGICAL_FORWARD && command != QIC_STOP_TAPE) { - ft_location.known = 0; - } - ftape_current_command = command; - --level; - TRACE_EXIT result; -} - -/* Send a tape command parameter: - * Generates command # of step pulses. - * Skips tape-status call ! - */ -int ftape_parameter(unsigned int parameter) -{ - TRACE_FUN(ft_t_any); - - TRACE(ft_t_flow, "called with parameter = %d", parameter); - TRACE_EXIT ft_send_to_drive(parameter + 2); -} - -/* Wait for the drive to get ready. - * timeout time in milli-seconds - * Returned status is valid if result != -EIO - * - * Should we allow to be killed by SIGINT? (^C) - * Would be nice at least for large timeouts. - */ -int ftape_ready_wait(unsigned int timeout, int *status) -{ - unsigned long t0; - unsigned int poll_delay; - int signal_retries; - TRACE_FUN(ft_t_any); - - /* the following ** REALLY ** reduces the system load when - * e.g. one simply rewinds or retensions. The tape is slow - * anyway. It is really not necessary to detect error - * conditions with 1/10 seconds granularity - * - * On my AMD 133MHZ 486: 100 ms: 23% system load - * 1 sec: 5% - * 5 sec: 0.6%, yeah - */ - if (timeout <= FT_SECOND) { - poll_delay = 100 * FT_MILLISECOND; - signal_retries = 20; /* two seconds */ - } else if (timeout < 20 * FT_SECOND) { - TRACE(ft_t_flow, "setting poll delay to 1 second"); - poll_delay = FT_SECOND; - signal_retries = 2; /* two seconds */ - } else { - TRACE(ft_t_flow, "setting poll delay to 5 seconds"); - poll_delay = 5 * FT_SECOND; - signal_retries = 1; /* five seconds */ - } - for (;;) { - t0 = jiffies; - TRACE_CATCH(ftape_report_raw_drive_status(status),); - if (*status & QIC_STATUS_READY) { - TRACE_EXIT 0; - } - if (!signal_retries--) { - FT_SIGNAL_EXIT(_NEVER_BLOCK); - } - if ((int)timeout >= 0) { - /* this will fail when jiffies wraps around about - * once every year :-) - */ - timeout -= ((jiffies - t0) * FT_SECOND) / HZ; - if (timeout <= 0) { - TRACE_ABORT(-ETIME, ft_t_err, "timeout"); - } - ftape_sleep(poll_delay); - timeout -= poll_delay; - } else { - ftape_sleep(poll_delay); - } - } - TRACE_EXIT -ETIME; -} - -/* Issue command and wait up to timeout milli seconds for drive ready - */ -int ftape_command_wait(qic117_cmd_t command, unsigned int timeout, int *status) -{ - int result; - - /* Drive should be ready, issue command - */ - result = ftape_command(command); - if (result >= 0) { - result = ftape_ready_wait(timeout, status); - } - return result; -} - -static int ftape_parameter_wait(unsigned int parm, unsigned int timeout, int *status) -{ - int result; - - /* Drive should be ready, issue command - */ - result = ftape_parameter(parm); - if (result >= 0) { - result = ftape_ready_wait(timeout, status); - } - return result; -} - -/*-------------------------------------------------------------------------- - * Report operations - */ - -/* Query the drive about its status. The command is sent and - result_length bits of status are returned (2 extra bits are read - for start and stop). */ - -int ftape_report_operation(int *status, - qic117_cmd_t command, - int result_length) -{ - int i, st3; - unsigned int t0; - unsigned int dt; - TRACE_FUN(ft_t_any); - - TRACE_CATCH(ftape_command(command),); - t0 = ftape_timestamp(); - i = 0; - do { - ++i; - ftape_sleep(3 * FT_MILLISECOND); /* see remark below */ - TRACE_CATCH(fdc_sense_drive_status(&st3),); - dt = ftape_timediff(t0, ftape_timestamp()); - /* Ack should be asserted within Ttimout + Tack = 6 msec. - * Looks like some drives fail to do this so extend this - * period to 300 msec. - */ - } while (!(st3 & ST3_TRACK_0) && dt < 300000); - if (!(st3 & ST3_TRACK_0)) { - TRACE(ft_t_err, - "No acknowledge after %u msec. (%i iter)", dt / 1000, i); - TRACE_ABORT(-EIO, ft_t_err, "timeout on Acknowledge"); - } - /* dt may be larger than expected because of other tasks - * scheduled while we were sleeping. - */ - if (i > 1 && dt > 6000) { - TRACE(ft_t_err, "Acknowledge after %u msec. (%i iter)", - dt / 1000, i); - } - *status = 0; - for (i = 0; i < result_length + 1; i++) { - TRACE_CATCH(ftape_command(QIC_REPORT_NEXT_BIT),); - TRACE_CATCH(fdc_sense_drive_status(&st3),); - if (i < result_length) { - *status |= ((st3 & ST3_TRACK_0) ? 1 : 0) << i; - } else if ((st3 & ST3_TRACK_0) == 0) { - TRACE_ABORT(-EIO, ft_t_err, "missing status stop bit"); - } - } - /* this command will put track zero and index back into normal state */ - (void)ftape_command(QIC_REPORT_NEXT_BIT); - TRACE_EXIT 0; -} - -/* Report the current drive status. */ - -int ftape_report_raw_drive_status(int *status) -{ - int result; - int count = 0; - TRACE_FUN(ft_t_any); - - do { - result = ftape_report_operation(status, - QIC_REPORT_DRIVE_STATUS, 8); - } while (result < 0 && ++count <= 3); - if (result < 0) { - TRACE_ABORT(-EIO, ft_t_err, - "report_operation failed after %d trials", count); - } - if ((*status & 0xff) == 0xff) { - TRACE_ABORT(-EIO, ft_t_err, - "impossible drive status 0xff"); - } - if (*status & QIC_STATUS_READY) { - ftape_current_command = QIC_NO_COMMAND; /* completed */ - } - ft_last_status.status.drive_status = (__u8)(*status & 0xff); - TRACE_EXIT 0; -} - -int ftape_report_drive_status(int *status) -{ - TRACE_FUN(ft_t_any); - - TRACE_CATCH(ftape_report_raw_drive_status(status),); - if (*status & QIC_STATUS_NEW_CARTRIDGE || - !(*status & QIC_STATUS_CARTRIDGE_PRESENT)) { - ft_failure = 1; /* will inhibit further operations */ - TRACE_EXIT -EIO; - } - if (*status & QIC_STATUS_READY && *status & QIC_STATUS_ERROR) { - /* Let caller handle all errors */ - TRACE_ABORT(1, ft_t_warn, "warning: error status set!"); - } - TRACE_EXIT 0; -} - -int ftape_report_error(unsigned int *error, - qic117_cmd_t *command, int report) -{ - static const ftape_error ftape_errors[] = QIC117_ERRORS; - int code; - TRACE_FUN(ft_t_any); - - TRACE_CATCH(ftape_report_operation(&code, QIC_REPORT_ERROR_CODE, 16),); - *error = (unsigned int)(code & 0xff); - *command = (qic117_cmd_t)((code>>8)&0xff); - /* remember hardware status, maybe useful for status ioctls - */ - ft_last_error.error.command = (__u8)*command; - ft_last_error.error.error = (__u8)*error; - if (!report) { - TRACE_EXIT 0; - } - if (*error == 0) { - TRACE_ABORT(0, ft_t_info, "No error"); - } - TRACE(ft_t_info, "errorcode: %d", *error); - if (*error < NR_ITEMS(ftape_errors)) { - TRACE(ft_t_noise, "%sFatal ERROR:", - (ftape_errors[*error].fatal ? "" : "Non-")); - TRACE(ft_t_noise, "%s ...", ftape_errors[*error].message); - } else { - TRACE(ft_t_noise, "Unknown ERROR !"); - } - if ((unsigned int)*command < NR_ITEMS(qic117_cmds) && - qic117_cmds[*command].name != NULL) { - TRACE(ft_t_noise, "... caused by command \'%s\'", - qic117_cmds[*command].name); - } else { - TRACE(ft_t_noise, "... caused by unknown command %d", - *command); - } - TRACE_EXIT 0; -} - -int ftape_report_configuration(qic_model *model, - unsigned int *rate, - int *qic_std, - int *tape_len) -{ - int result; - int config; - int status; - static const unsigned int qic_rates[ 4] = { 250, 2000, 500, 1000 }; - TRACE_FUN(ft_t_any); - - result = ftape_report_operation(&config, - QIC_REPORT_DRIVE_CONFIGURATION, 8); - if (result < 0) { - ft_last_status.status.drive_config = (__u8)0x00; - *model = prehistoric; - *rate = 500; - *qic_std = QIC_TAPE_QIC40; - *tape_len = 205; - TRACE_EXIT 0; - } else { - ft_last_status.status.drive_config = (__u8)(config & 0xff); - } - *rate = qic_rates[(config & QIC_CONFIG_RATE_MASK) >> QIC_CONFIG_RATE_SHIFT]; - result = ftape_report_operation(&status, QIC_REPORT_TAPE_STATUS, 8); - if (result < 0) { - ft_last_status.status.tape_status = (__u8)0x00; - /* pre- QIC117 rev C spec. drive, QIC_CONFIG_80 bit is valid. - */ - *qic_std = (config & QIC_CONFIG_80) ? - QIC_TAPE_QIC80 : QIC_TAPE_QIC40; - /* ?? how's about 425ft tapes? */ - *tape_len = (config & QIC_CONFIG_LONG) ? 307 : 0; - *model = pre_qic117c; - result = 0; - } else { - ft_last_status.status.tape_status = (__u8)(status & 0xff); - *model = post_qic117b; - TRACE(ft_t_any, "report tape status result = %02x", status); - /* post- QIC117 rev C spec. drive, QIC_CONFIG_80 bit is - * invalid. - */ - switch (status & QIC_TAPE_STD_MASK) { - case QIC_TAPE_QIC40: - case QIC_TAPE_QIC80: - case QIC_TAPE_QIC3020: - case QIC_TAPE_QIC3010: - *qic_std = status & QIC_TAPE_STD_MASK; - break; - default: - *qic_std = -1; - break; - } - switch (status & QIC_TAPE_LEN_MASK) { - case QIC_TAPE_205FT: - /* 205 or 425+ ft 550 Oe tape */ - *tape_len = 0; - break; - case QIC_TAPE_307FT: - /* 307.5 ft 550 Oe Extended Length (XL) tape */ - *tape_len = 307; - break; - case QIC_TAPE_VARIABLE: - /* Variable length 550 Oe tape */ - *tape_len = 0; - break; - case QIC_TAPE_1100FT: - /* 1100 ft 550 Oe tape */ - *tape_len = 1100; - break; - case QIC_TAPE_FLEX: - /* Variable length 900 Oe tape */ - *tape_len = 0; - break; - default: - *tape_len = -1; - break; - } - if (*qic_std == -1 || *tape_len == -1) { - TRACE(ft_t_any, - "post qic-117b spec drive with unknown tape"); - } - result = *tape_len == -1 ? -EIO : 0; - if (status & QIC_TAPE_WIDE) { - switch (*qic_std) { - case QIC_TAPE_QIC80: - TRACE(ft_t_info, "TR-1 tape detected"); - break; - case QIC_TAPE_QIC3010: - TRACE(ft_t_info, "TR-2 tape detected"); - break; - case QIC_TAPE_QIC3020: - TRACE(ft_t_info, "TR-3 tape detected"); - break; - default: - TRACE(ft_t_warn, - "Unknown Travan tape type detected"); - break; - } - } - } - TRACE_EXIT (result < 0) ? -EIO : 0; -} - -static int ftape_report_rom_version(int *version) -{ - - if (ftape_report_operation(version, QIC_REPORT_ROM_VERSION, 8) < 0) { - return -EIO; - } else { - return 0; - } -} - -void ftape_report_vendor_id(unsigned int *id) -{ - int result; - TRACE_FUN(ft_t_any); - - /* We'll try to get a vendor id from the drive. First - * according to the QIC-117 spec, a 16-bit id is requested. - * If that fails we'll try an 8-bit version, otherwise we'll - * try an undocumented query. - */ - result = ftape_report_operation((int *) id, QIC_REPORT_VENDOR_ID, 16); - if (result < 0) { - result = ftape_report_operation((int *) id, - QIC_REPORT_VENDOR_ID, 8); - if (result < 0) { - /* The following is an undocumented call found - * in the CMS code. - */ - result = ftape_report_operation((int *) id, 24, 8); - if (result < 0) { - *id = UNKNOWN_VENDOR; - } else { - TRACE(ft_t_noise, "got old 8 bit id: %04x", - *id); - *id |= 0x20000; - } - } else { - TRACE(ft_t_noise, "got 8 bit id: %04x", *id); - *id |= 0x10000; - } - } else { - TRACE(ft_t_noise, "got 16 bit id: %04x", *id); - } - if (*id == 0x0047) { - int version; - int sign; - - if (ftape_report_rom_version(&version) < 0) { - TRACE(ft_t_bug, "report rom version failed"); - TRACE_EXIT; - } - TRACE(ft_t_noise, "CMS rom version: %d", version); - ftape_command(QIC_ENTER_DIAGNOSTIC_1); - ftape_command(QIC_ENTER_DIAGNOSTIC_1); - diagnostic_mode = 1; - if (ftape_report_operation(&sign, 9, 8) < 0) { - unsigned int error; - qic117_cmd_t command; - - ftape_report_error(&error, &command, 1); - ftape_command(QIC_ENTER_PRIMARY_MODE); - diagnostic_mode = 0; - TRACE_EXIT; /* failure ! */ - } else { - TRACE(ft_t_noise, "CMS signature: %02x", sign); - } - if (sign == 0xa5) { - result = ftape_report_operation(&sign, 37, 8); - if (result < 0) { - if (version >= 63) { - *id = 0x8880; - TRACE(ft_t_noise, - "This is an Iomega drive !"); - } else { - *id = 0x0047; - TRACE(ft_t_noise, - "This is a real CMS drive !"); - } - } else { - *id = 0x0047; - TRACE(ft_t_noise, "CMS status: %d", sign); - } - } else { - *id = UNKNOWN_VENDOR; - } - ftape_command(QIC_ENTER_PRIMARY_MODE); - diagnostic_mode = 0; - } - TRACE_EXIT; -} - -static int qic_rate_code(unsigned int rate) -{ - switch (rate) { - case 250: - return QIC_CONFIG_RATE_250; - case 500: - return QIC_CONFIG_RATE_500; - case 1000: - return QIC_CONFIG_RATE_1000; - case 2000: - return QIC_CONFIG_RATE_2000; - default: - return QIC_CONFIG_RATE_500; - } -} - -static int ftape_set_rate_test(unsigned int *max_rate) -{ - unsigned int error; - qic117_cmd_t command; - int status; - int supported = 0; - TRACE_FUN(ft_t_any); - - /* Check if the drive does support the select rate command - * by testing all different settings. If any one is accepted - * we assume the command is supported, else not. - */ - for (*max_rate = 2000; *max_rate >= 250; *max_rate /= 2) { - if (ftape_command(QIC_SELECT_RATE) < 0) { - continue; - } - if (ftape_parameter_wait(qic_rate_code(*max_rate), - 1 * FT_SECOND, &status) < 0) { - continue; - } - if (status & QIC_STATUS_ERROR) { - ftape_report_error(&error, &command, 0); - continue; - } - supported = 1; /* did accept a request */ - break; - } - TRACE(ft_t_noise, "Select Rate command is%s supported", - supported ? "" : " not"); - TRACE_EXIT supported; -} - -int ftape_set_data_rate(unsigned int new_rate /* Kbps */, unsigned int qic_std) -{ - int status; - int result = 0; - unsigned int data_rate = new_rate; - static int supported; - int rate_changed = 0; - qic_model dummy_model; - unsigned int dummy_qic_std, dummy_tape_len; - TRACE_FUN(ft_t_any); - - if (ft_drive_max_rate == 0) { /* first time */ - supported = ftape_set_rate_test(&ft_drive_max_rate); - } - if (supported) { - ftape_command(QIC_SELECT_RATE); - result = ftape_parameter_wait(qic_rate_code(new_rate), - 1 * FT_SECOND, &status); - if (result >= 0 && !(status & QIC_STATUS_ERROR)) { - rate_changed = 1; - } - } - TRACE_CATCH(result = ftape_report_configuration(&dummy_model, - &data_rate, - &dummy_qic_std, - &dummy_tape_len),); - if (data_rate != new_rate) { - if (!supported) { - TRACE(ft_t_warn, "Rate change not supported!"); - } else if (rate_changed) { - TRACE(ft_t_warn, "Requested: %d, got %d", - new_rate, data_rate); - } else { - TRACE(ft_t_warn, "Rate change failed!"); - } - result = -EINVAL; - } - /* - * Set data rate and write precompensation as specified: - * - * | QIC-40/80 | QIC-3010/3020 - * rate | precomp | precomp - * ----------+-------------+-------------- - * 250 Kbps. | 250 ns. | 0 ns. - * 500 Kbps. | 125 ns. | 0 ns. - * 1 Mbps. | 42 ns. | 0 ns. - * 2 Mbps | N/A | 0 ns. - */ - if ((qic_std == QIC_TAPE_QIC40 && data_rate > 500) || - (qic_std == QIC_TAPE_QIC80 && data_rate > 1000)) { - TRACE_ABORT(-EINVAL, - ft_t_warn, "Datarate too high for QIC-mode"); - } - TRACE_CATCH(fdc_set_data_rate(data_rate),_res = -EINVAL); - ft_data_rate = data_rate; - if (qic_std == QIC_TAPE_QIC40 || qic_std == QIC_TAPE_QIC80) { - switch (data_rate) { - case 250: - fdc_set_write_precomp(250); - break; - default: - case 500: - fdc_set_write_precomp(125); - break; - case 1000: - fdc_set_write_precomp(42); - break; - } - } else { - fdc_set_write_precomp(0); - } - TRACE_EXIT result; -} - -/* The next two functions are used to cope with excessive overrun errors - */ -int ftape_increase_threshold(void) -{ - TRACE_FUN(ft_t_flow); - - if (fdc.type < i82077 || ft_fdc_threshold >= 12) { - TRACE_ABORT(-EIO, ft_t_err, "cannot increase fifo threshold"); - } - if (fdc_fifo_threshold(++ft_fdc_threshold, NULL, NULL, NULL) < 0) { - TRACE(ft_t_err, "cannot increase fifo threshold"); - ft_fdc_threshold --; - fdc_reset(); - } - TRACE(ft_t_info, "New FIFO threshold: %d", ft_fdc_threshold); - TRACE_EXIT 0; -} - -int ftape_half_data_rate(void) -{ - if (ft_data_rate < 500) { - return -1; - } - if (ftape_set_data_rate(ft_data_rate / 2, ft_qic_std) < 0) { - return -EIO; - } - ftape_calc_timeouts(ft_qic_std, ft_data_rate, ftape_tape_len); - return 0; -} - -/* Seek the head to the specified track. - */ -int ftape_seek_head_to_track(unsigned int track) -{ - int status; - TRACE_FUN(ft_t_any); - - ft_location.track = -1; /* remains set in case of error */ - if (track >= ft_tracks_per_tape) { - TRACE_ABORT(-EINVAL, ft_t_bug, "track out of bounds"); - } - TRACE(ft_t_flow, "seeking track %d", track); - TRACE_CATCH(ftape_command(QIC_SEEK_HEAD_TO_TRACK),); - TRACE_CATCH(ftape_parameter_wait(track, ftape_timeout.head_seek, - &status),); - ft_location.track = track; - ftape_might_be_off_track = 0; - TRACE_EXIT 0; -} - -int ftape_wakeup_drive(wake_up_types method) -{ - int status; - int motor_on = 0; - TRACE_FUN(ft_t_any); - - switch (method) { - case wake_up_colorado: - TRACE_CATCH(ftape_command(QIC_PHANTOM_SELECT),); - TRACE_CATCH(ftape_parameter(0 /* ft_drive_sel ?? */),); - break; - case wake_up_mountain: - TRACE_CATCH(ftape_command(QIC_SOFT_SELECT),); - ftape_sleep(FT_MILLISECOND); /* NEEDED */ - TRACE_CATCH(ftape_parameter(18),); - break; - case wake_up_insight: - ftape_sleep(100 * FT_MILLISECOND); - motor_on = 1; - fdc_motor(motor_on); /* enable is done by motor-on */ - case no_wake_up: - break; - default: - TRACE_EXIT -ENODEV; /* unknown wakeup method */ - break; - } - /* If wakeup succeeded we shouldn't get an error here.. - */ - TRACE_CATCH(ftape_report_raw_drive_status(&status), - if (motor_on) { - fdc_motor(0); - }); - TRACE_EXIT 0; -} - -int ftape_put_drive_to_sleep(wake_up_types method) -{ - TRACE_FUN(ft_t_any); - - switch (method) { - case wake_up_colorado: - TRACE_CATCH(ftape_command(QIC_PHANTOM_DESELECT),); - break; - case wake_up_mountain: - TRACE_CATCH(ftape_command(QIC_SOFT_DESELECT),); - break; - case wake_up_insight: - fdc_motor(0); /* enable is done by motor-on */ - case no_wake_up: /* no wakeup / no sleep ! */ - break; - default: - TRACE_EXIT -ENODEV; /* unknown wakeup method */ - } - TRACE_EXIT 0; -} - -int ftape_reset_drive(void) -{ - int result = 0; - int status; - unsigned int err_code; - qic117_cmd_t err_command; - int i; - TRACE_FUN(ft_t_any); - - /* We want to re-establish contact with our drive. Fire a - * number of reset commands (single step pulses) and pray for - * success. - */ - for (i = 0; i < 2; ++i) { - TRACE(ft_t_flow, "Resetting fdc"); - fdc_reset(); - ftape_sleep(10 * FT_MILLISECOND); - TRACE(ft_t_flow, "Reset command to drive"); - result = ftape_command(QIC_RESET); - if (result == 0) { - ftape_sleep(1 * FT_SECOND); /* drive not - * accessible - * during 1 second - */ - TRACE(ft_t_flow, "Re-selecting drive"); - - /* Strange, the QIC-117 specs don't mention - * this but the drive gets deselected after a - * soft reset ! So we need to enable it - * again. - */ - if (ftape_wakeup_drive(ft_drive_type.wake_up) < 0) { - TRACE(ft_t_err, "Wakeup failed !"); - } - TRACE(ft_t_flow, "Waiting until drive gets ready"); - result= ftape_ready_wait(ftape_timeout.reset, &status); - if (result == 0 && (status & QIC_STATUS_ERROR)) { - result = ftape_report_error(&err_code, - &err_command, 1); - if (result == 0 && err_code == 27) { - /* Okay, drive saw reset - * command and responded as it - * should - */ - break; - } else { - result = -EIO; - } - } else { - result = -EIO; - } - } - FT_SIGNAL_EXIT(_DONT_BLOCK); - } - if (result != 0) { - TRACE(ft_t_err, "General failure to reset tape drive"); - } else { - /* Restore correct settings: keep original rate - */ - ftape_set_data_rate(ft_data_rate, ft_qic_std); - } - ftape_init_drive_needed = 1; - TRACE_EXIT result; -} diff --git a/drivers/char/ftape/lowlevel/ftape-io.h b/drivers/char/ftape/lowlevel/ftape-io.h deleted file mode 100644 index 26a7baad871..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-io.h +++ /dev/null @@ -1,90 +0,0 @@ -#ifndef _FTAPE_IO_H -#define _FTAPE_IO_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-io.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:18 $ - * - * This file contains definitions for the glue part of the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - */ - -#include -#include - -typedef struct { - unsigned int seek; - unsigned int reset; - unsigned int rewind; - unsigned int head_seek; - unsigned int stop; - unsigned int pause; -} ft_timeout_table; - -typedef enum { - prehistoric, pre_qic117c, post_qic117b, post_qic117d -} qic_model; - -/* - * ftape-io.c defined global vars. - */ -extern ft_timeout_table ftape_timeout; -extern unsigned int ftape_tape_len; -extern volatile qic117_cmd_t ftape_current_command; -extern const struct qic117_command_table qic117_cmds[]; -extern int ftape_might_be_off_track; - -/* - * ftape-io.c defined global functions. - */ -extern void ftape_udelay(unsigned int usecs); -extern void ftape_udelay_calibrate(void); -extern void ftape_sleep(unsigned int time); -extern void ftape_report_vendor_id(unsigned int *id); -extern int ftape_command(qic117_cmd_t command); -extern int ftape_command_wait(qic117_cmd_t command, - unsigned int timeout, - int *status); -extern int ftape_parameter(unsigned int parameter); -extern int ftape_report_operation(int *status, - qic117_cmd_t command, - int result_length); -extern int ftape_report_configuration(qic_model *model, - unsigned int *rate, - int *qic_std, - int *tape_len); -extern int ftape_report_drive_status(int *status); -extern int ftape_report_raw_drive_status(int *status); -extern int ftape_report_status(int *status); -extern int ftape_ready_wait(unsigned int timeout, int *status); -extern int ftape_seek_head_to_track(unsigned int track); -extern int ftape_set_data_rate(unsigned int new_rate, unsigned int qic_std); -extern int ftape_report_error(unsigned int *error, - qic117_cmd_t *command, - int report); -extern int ftape_reset_drive(void); -extern int ftape_put_drive_to_sleep(wake_up_types method); -extern int ftape_wakeup_drive(wake_up_types method); -extern int ftape_increase_threshold(void); -extern int ftape_half_data_rate(void); - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-proc.c b/drivers/char/ftape/lowlevel/ftape-proc.c deleted file mode 100644 index e805b15e0a1..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-proc.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Copyright (C) 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-proc.c,v $ - * $Revision: 1.11 $ - * $Date: 1997/10/24 14:47:37 $ - * - * This file contains the procfs interface for the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - - * Old code removed, switched to dynamic proc entry. - */ - - -#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) - -#include - -#include -#include -#include - -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-proc.h" -#include "../lowlevel/ftape-tracing.h" - -static size_t get_driver_info(char *buf) -{ - const char *debug_level[] = { "bugs" , - "errors", - "warnings", - "informational", - "noisy", - "program flow", - "fdc and dma", - "data flow", - "anything" }; - - return sprintf(buf, - "version : %s\n" - "used data rate: %d kbit/sec\n" - "dma memory : %d kb\n" - "debug messages: %s\n", - FTAPE_VERSION, - ft_data_rate, - FT_BUFF_SIZE * ft_nr_buffers >> 10, - debug_level[TRACE_LEVEL]); -} - -static size_t get_tapedrive_info(char *buf) -{ - return sprintf(buf, - "vendor id : 0x%04x\n" - "drive name: %s\n" - "wind speed: %d ips\n" - "wakeup : %s\n" - "max. rate : %d kbit/sec\n", - ft_drive_type.vendor_id, - ft_drive_type.name, - ft_drive_type.speed, - ((ft_drive_type.wake_up == no_wake_up) - ? "No wakeup needed" : - ((ft_drive_type.wake_up == wake_up_colorado) - ? "Colorado" : - ((ft_drive_type.wake_up == wake_up_mountain) - ? "Mountain" : - ((ft_drive_type.wake_up == wake_up_insight) - ? "Motor on" : - "Unknown")))), - ft_drive_max_rate); -} - -static size_t get_cartridge_info(char *buf) -{ - if (ftape_init_drive_needed) { - return sprintf(buf, "uninitialized\n"); - } - if (ft_no_tape) { - return sprintf(buf, "no cartridge inserted\n"); - } - return sprintf(buf, - "segments : %5d\n" - "tracks : %5d\n" - "length : %5dft\n" - "formatted : %3s\n" - "writable : %3s\n" - "QIC spec. : QIC-%s\n" - "fmt-code : %1d\n", - ft_segments_per_track, - ft_tracks_per_tape, - ftape_tape_len, - (ft_formatted == 1) ? "yes" : "no", - (ft_write_protected == 1) ? "no" : "yes", - ((ft_qic_std == QIC_TAPE_QIC40) ? "40" : - ((ft_qic_std == QIC_TAPE_QIC80) ? "80" : - ((ft_qic_std == QIC_TAPE_QIC3010) ? "3010" : - ((ft_qic_std == QIC_TAPE_QIC3020) ? "3020" : - "???")))), - ft_format_code); -} - -static size_t get_controller_info(char *buf) -{ - const char *fdc_name[] = { "no fdc", - "i8272", - "i82077", - "i82077AA", - "Colorado FC-10 or FC-20", - "i82078", - "i82078_1" }; - - return sprintf(buf, - "FDC type : %s\n" - "FDC base : 0x%03x\n" - "FDC irq : %d\n" - "FDC dma : %d\n" - "FDC thr. : %d\n" - "max. rate : %d kbit/sec\n", - ft_mach2 ? "Mountain MACH-2" : fdc_name[fdc.type], - fdc.sra, fdc.irq, fdc.dma, - ft_fdc_threshold, ft_fdc_max_rate); -} - -static size_t get_history_info(char *buf) -{ - size_t len; - - len = sprintf(buf, - "\nFDC isr statistics\n" - " id_am_errors : %3d\n" - " id_crc_errors : %3d\n" - " data_am_errors : %3d\n" - " data_crc_errors : %3d\n" - " overrun_errors : %3d\n" - " no_data_errors : %3d\n" - " retries : %3d\n", - ft_history.id_am_errors, ft_history.id_crc_errors, - ft_history.data_am_errors, ft_history.data_crc_errors, - ft_history.overrun_errors, ft_history.no_data_errors, - ft_history.retries); - len += sprintf(buf + len, - "\nECC statistics\n" - " crc_errors : %3d\n" - " crc_failures : %3d\n" - " ecc_failures : %3d\n" - " sectors corrected: %3d\n", - ft_history.crc_errors, ft_history.crc_failures, - ft_history.ecc_failures, ft_history.corrected); - len += sprintf(buf + len, - "\ntape quality statistics\n" - " media defects : %3d\n", - ft_history.defects); - len += sprintf(buf + len, - "\ntape motion statistics\n" - " repositions : %3d\n", - ft_history.rewinds); - return len; -} - -static int ftape_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - char *ptr = page; - size_t len; - - ptr += sprintf(ptr, "Kernel Driver\n\n"); - ptr += get_driver_info(ptr); - ptr += sprintf(ptr, "\nTape Drive\n\n"); - ptr += get_tapedrive_info(ptr); - ptr += sprintf(ptr, "\nFDC Controller\n\n"); - ptr += get_controller_info(ptr); - ptr += sprintf(ptr, "\nTape Cartridge\n\n"); - ptr += get_cartridge_info(ptr); - ptr += sprintf(ptr, "\nHistory Record\n\n"); - ptr += get_history_info(ptr); - - len = strlen(page); - *start = NULL; - if (off+count >= len) { - *eof = 1; - } else { - *eof = 0; - } - return len; -} - -int __init ftape_proc_init(void) -{ - return create_proc_read_entry("ftape", 0, &proc_root, - ftape_read_proc, NULL) != NULL; -} - -void ftape_proc_destroy(void) -{ - remove_proc_entry("ftape", &proc_root); -} - -#endif /* defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) */ diff --git a/drivers/char/ftape/lowlevel/ftape-proc.h b/drivers/char/ftape/lowlevel/ftape-proc.h deleted file mode 100644 index 264dfcc1d22..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-proc.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef _FTAPE_PROC_H -#define _FTAPE_PROC_H - -/* - * Copyright (C) 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-proc.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:20 $ - * - * This file contains definitions for the procfs interface of the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - */ - -#include - -extern int ftape_proc_init(void); -extern void ftape_proc_destroy(void); - -#endif diff --git a/drivers/char/ftape/lowlevel/ftape-read.c b/drivers/char/ftape/lowlevel/ftape-read.c deleted file mode 100644 index d967d8cd86d..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-read.c +++ /dev/null @@ -1,621 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-read.c,v $ - * $Revision: 1.6 $ - * $Date: 1997/10/21 14:39:22 $ - * - * This file contains the reading code - * for the QIC-117 floppy-tape driver for Linux. - * - */ - -#include -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-ecc.h" -#include "../lowlevel/ftape-bsm.h" - -/* Global vars. - */ - -/* Local vars. - */ - -void ftape_zap_read_buffers(void) -{ - int i; - - for (i = 0; i < ft_nr_buffers; ++i) { -/* changed to "fit" with dynamic allocation of tape_buffer. --khp */ - ft_buffer[i]->status = waiting; - ft_buffer[i]->bytes = 0; - ft_buffer[i]->skip = 0; - ft_buffer[i]->retry = 0; - } -/* ftape_reset_buffer(); */ -} - -static SectorMap convert_sector_map(buffer_struct * buff) -{ - int i = 0; - SectorMap bad_map = ftape_get_bad_sector_entry(buff->segment_id); - SectorMap src_map = buff->soft_error_map | buff->hard_error_map; - SectorMap dst_map = 0; - TRACE_FUN(ft_t_any); - - if (bad_map || src_map) { - TRACE(ft_t_flow, "bad_map = 0x%08lx", (long) bad_map); - TRACE(ft_t_flow, "src_map = 0x%08lx", (long) src_map); - } - while (bad_map) { - while ((bad_map & 1) == 0) { - if (src_map & 1) { - dst_map |= (1 << i); - } - src_map >>= 1; - bad_map >>= 1; - ++i; - } - /* (bad_map & 1) == 1 */ - src_map >>= 1; - bad_map >>= 1; - } - if (src_map) { - dst_map |= (src_map << i); - } - if (dst_map) { - TRACE(ft_t_flow, "dst_map = 0x%08lx", (long) dst_map); - } - TRACE_EXIT dst_map; -} - -static int correct_and_copy_fraction(buffer_struct *buff, __u8 * destination, - int start, int size) -{ - struct memory_segment mseg; - int result; - SectorMap read_bad; - TRACE_FUN(ft_t_any); - - mseg.read_bad = convert_sector_map(buff); - mseg.marked_bad = 0; /* not used... */ - mseg.blocks = buff->bytes / FT_SECTOR_SIZE; - mseg.data = buff->address; - /* If there are no data sectors we can skip this segment. - */ - if (mseg.blocks <= 3) { - TRACE_ABORT(0, ft_t_noise, "empty segment"); - } - read_bad = mseg.read_bad; - ft_history.crc_errors += count_ones(read_bad); - result = ftape_ecc_correct_data(&mseg); - if (read_bad != 0 || mseg.corrected != 0) { - TRACE(ft_t_noise, "crc error map: 0x%08lx", (unsigned long)read_bad); - TRACE(ft_t_noise, "corrected map: 0x%08lx", (unsigned long)mseg.corrected); - ft_history.corrected += count_ones(mseg.corrected); - } - if (result == ECC_CORRECTED || result == ECC_OK) { - if (result == ECC_CORRECTED) { - TRACE(ft_t_info, "ecc corrected segment: %d", buff->segment_id); - } - if(start < 0) { - start= 0; - } - if((start+size) > ((mseg.blocks - 3) * FT_SECTOR_SIZE)) { - size = (mseg.blocks - 3) * FT_SECTOR_SIZE - start; - } - if (size < 0) { - size= 0; - } - if(size > 0) { - memcpy(destination + start, mseg.data + start, size); - } - if ((read_bad ^ mseg.corrected) & mseg.corrected) { - /* sectors corrected without crc errors set */ - ft_history.crc_failures++; - } - TRACE_EXIT size; /* (mseg.blocks - 3) * FT_SECTOR_SIZE; */ - } else { - ft_history.ecc_failures++; - TRACE_ABORT(-EAGAIN, - ft_t_err, "ecc failure on segment %d", - buff->segment_id); - } - TRACE_EXIT 0; -} - -/* Read given segment into buffer at address. - */ -int ftape_read_segment_fraction(const int segment_id, - void *address, - const ft_read_mode_t read_mode, - const int start, - const int size) -{ - int result = 0; - int retry = 0; - int bytes_read = 0; - int read_done = 0; - TRACE_FUN(ft_t_flow); - - ft_history.used |= 1; - TRACE(ft_t_data_flow, "segment_id = %d", segment_id); - if (ft_driver_state != reading) { - TRACE(ft_t_noise, "calling ftape_abort_operation"); - TRACE_CATCH(ftape_abort_operation(),); - ftape_set_state(reading); - } - for(;;) { - buffer_struct *tail; - /* Allow escape from this loop on signal ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - /* Search all full buffers for the first matching the - * wanted segment. Clear other buffers on the fly. - */ - tail = ftape_get_buffer(ft_queue_tail); - while (!read_done && tail->status == done) { - /* Allow escape from this loop on signal ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - if (tail->segment_id == segment_id) { - /* If out buffer is already full, - * return its contents. - */ - TRACE(ft_t_flow, "found segment in cache: %d", - segment_id); - if (tail->deleted) { - /* Return a value that - * read_header_segment - * understands. As this - * should only occur when - * searching for the header - * segments it shouldn't be - * misinterpreted elsewhere. - */ - TRACE_EXIT 0; - } - result = correct_and_copy_fraction( - tail, - address, - start, - size); - TRACE(ft_t_flow, "segment contains (bytes): %d", - result); - if (result < 0) { - if (result != -EAGAIN) { - TRACE_EXIT result; - } - /* keep read_done == 0, will - * trigger - * ftape_abort_operation - * because reading wrong - * segment. - */ - TRACE(ft_t_err, "ecc failed, retry"); - ++retry; - } else { - read_done = 1; - bytes_read = result; - } - } else { - TRACE(ft_t_flow,"zapping segment in cache: %d", - tail->segment_id); - } - tail->status = waiting; - tail = ftape_next_buffer(ft_queue_tail); - } - if (!read_done && tail->status == reading) { - if (tail->segment_id == segment_id) { - switch(ftape_wait_segment(reading)) { - case 0: - break; - case -EINTR: - TRACE_ABORT(-EINTR, ft_t_warn, - "interrupted by " - "non-blockable signal"); - break; - default: - TRACE(ft_t_noise, - "wait_segment failed"); - ftape_abort_operation(); - ftape_set_state(reading); - break; - } - } else { - /* We're reading the wrong segment, - * stop runner. - */ - TRACE(ft_t_noise, "reading wrong segment"); - ftape_abort_operation(); - ftape_set_state(reading); - } - } - /* should runner stop ? - */ - if (ft_runner_status == aborting) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - switch(head->status) { - case error: - ft_history.defects += - count_ones(head->hard_error_map); - case reading: - head->status = waiting; - break; - default: - break; - } - TRACE_CATCH(ftape_dumb_stop(),); - } else { - /* If just passed last segment on tape: wait - * for BOT or EOT mark. Sets ft_runner_status to - * idle if at lEOT and successful - */ - TRACE_CATCH(ftape_handle_logical_eot(),); - } - /* If we got a segment: quit, or else retry up to limit. - * - * If segment to read is empty, do not start runner for it, - * but wait for next read call. - */ - if (read_done || - ftape_get_bad_sector_entry(segment_id) == EMPTY_SEGMENT ) { - /* bytes_read = 0; should still be zero */ - TRACE_EXIT bytes_read; - - } - if (retry > FT_RETRIES_ON_ECC_ERROR) { - ft_history.defects++; - TRACE_ABORT(-ENODATA, ft_t_err, - "too many retries on ecc failure"); - } - /* Now at least one buffer is empty ! - * Restart runner & tape if needed. - */ - TRACE(ft_t_any, "head: %d, tail: %d, ft_runner_status: %d", - ftape_buffer_id(ft_queue_head), - ftape_buffer_id(ft_queue_tail), - ft_runner_status); - TRACE(ft_t_any, "buffer[].status, [head]: %d, [tail]: %d", - ftape_get_buffer(ft_queue_head)->status, - ftape_get_buffer(ft_queue_tail)->status); - tail = ftape_get_buffer(ft_queue_tail); - if (tail->status == waiting) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - - ftape_setup_new_segment(head, segment_id, -1); - if (read_mode == FT_RD_SINGLE) { - /* disable read-ahead */ - head->next_segment = 0; - } - ftape_calc_next_cluster(head); - if (ft_runner_status == idle) { - result = ftape_start_tape(segment_id, - head->sector_offset); - if (result < 0) { - TRACE_ABORT(result, ft_t_err, "Error: " - "segment %d unreachable", - segment_id); - } - } - head->status = reading; - fdc_setup_read_write(head, FDC_READ); - } - } - /* not reached */ - TRACE_EXIT -EIO; -} - -int ftape_read_header_segment(__u8 *address) -{ - int result; - int header_segment; - int first_failed = 0; - int status; - TRACE_FUN(ft_t_flow); - - ft_used_header_segment = -1; - TRACE_CATCH(ftape_report_drive_status(&status),); - TRACE(ft_t_flow, "reading..."); - /* We're looking for the first header segment. - * A header segment cannot contain bad sectors, therefor at the - * tape start, segments with bad sectors are (according to QIC-40/80) - * written with deleted data marks and must be skipped. - */ - memset(address, '\0', (FT_SECTORS_PER_SEGMENT - 3) * FT_SECTOR_SIZE); - result = 0; -#define HEADER_SEGMENT_BOUNDARY 68 /* why not 42? */ - for (header_segment = 0; - header_segment < HEADER_SEGMENT_BOUNDARY && result == 0; - ++header_segment) { - /* Set no read-ahead, the isr will force read-ahead whenever - * it encounters deleted data ! - */ - result = ftape_read_segment(header_segment, - address, - FT_RD_SINGLE); - if (result < 0 && !first_failed) { - TRACE(ft_t_err, "header segment damaged, trying backup"); - first_failed = 1; - result = 0; /* force read of next (backup) segment */ - } - } - if (result < 0 || header_segment >= HEADER_SEGMENT_BOUNDARY) { - TRACE_ABORT(-EIO, ft_t_err, - "no readable header segment found"); - } - TRACE_CATCH(ftape_abort_operation(),); - ft_used_header_segment = header_segment; - result = ftape_decode_header_segment(address); - TRACE_EXIT result; -} - -int ftape_decode_header_segment(__u8 *address) -{ - unsigned int max_floppy_side; - unsigned int max_floppy_track; - unsigned int max_floppy_sector; - unsigned int new_tape_len; - TRACE_FUN(ft_t_flow); - - if (GET4(address, FT_SIGNATURE) == FT_D2G_MAGIC) { - /* Ditto 2GB header segment. They encrypt the bad sector map. - * We decrypt it and store them in normal format. - * I hope this is correct. - */ - int i; - TRACE(ft_t_warn, - "Found Ditto 2GB tape, " - "trying to decrypt bad sector map"); - for (i=256; i < 29 * FT_SECTOR_SIZE; i++) { - address[i] = ~(address[i] - (i&0xff)); - } - PUT4(address, 0,FT_HSEG_MAGIC); - } else if (GET4(address, FT_SIGNATURE) != FT_HSEG_MAGIC) { - TRACE_ABORT(-EIO, ft_t_err, - "wrong signature in header segment"); - } - ft_format_code = (ft_format_type) address[FT_FMT_CODE]; - if (ft_format_code != fmt_big) { - ft_header_segment_1 = GET2(address, FT_HSEG_1); - ft_header_segment_2 = GET2(address, FT_HSEG_2); - ft_first_data_segment = GET2(address, FT_FRST_SEG); - ft_last_data_segment = GET2(address, FT_LAST_SEG); - } else { - ft_header_segment_1 = GET4(address, FT_6_HSEG_1); - ft_header_segment_2 = GET4(address, FT_6_HSEG_2); - ft_first_data_segment = GET4(address, FT_6_FRST_SEG); - ft_last_data_segment = GET4(address, FT_6_LAST_SEG); - } - TRACE(ft_t_noise, "first data segment: %d", ft_first_data_segment); - TRACE(ft_t_noise, "last data segment: %d", ft_last_data_segment); - TRACE(ft_t_noise, "header segments are %d and %d", - ft_header_segment_1, ft_header_segment_2); - - /* Verify tape parameters... - * QIC-40/80 spec: tape_parameters: - * - * segments-per-track segments_per_track - * tracks-per-cartridge tracks_per_tape - * max-floppy-side (segments_per_track * - * tracks_per_tape - 1) / - * ftape_segments_per_head - * max-floppy-track ftape_segments_per_head / - * ftape_segments_per_cylinder - 1 - * max-floppy-sector ftape_segments_per_cylinder * - * FT_SECTORS_PER_SEGMENT - */ - ft_segments_per_track = GET2(address, FT_SPT); - ft_tracks_per_tape = address[FT_TPC]; - max_floppy_side = address[FT_FHM]; - max_floppy_track = address[FT_FTM]; - max_floppy_sector = address[FT_FSM]; - TRACE(ft_t_noise, "(fmt/spt/tpc/fhm/ftm/fsm) = %d/%d/%d/%d/%d/%d", - ft_format_code, ft_segments_per_track, ft_tracks_per_tape, - max_floppy_side, max_floppy_track, max_floppy_sector); - new_tape_len = ftape_tape_len; - switch (ft_format_code) { - case fmt_425ft: - new_tape_len = 425; - break; - case fmt_normal: - if (ftape_tape_len == 0) { /* otherwise 307 ft */ - new_tape_len = 205; - } - break; - case fmt_1100ft: - new_tape_len = 1100; - break; - case fmt_var:{ - int segments_per_1000_inch = 1; /* non-zero default for switch */ - switch (ft_qic_std) { - case QIC_TAPE_QIC40: - segments_per_1000_inch = 332; - break; - case QIC_TAPE_QIC80: - segments_per_1000_inch = 488; - break; - case QIC_TAPE_QIC3010: - segments_per_1000_inch = 730; - break; - case QIC_TAPE_QIC3020: - segments_per_1000_inch = 1430; - break; - } - new_tape_len = (1000 * ft_segments_per_track + - (segments_per_1000_inch - 1)) / segments_per_1000_inch; - break; - } - case fmt_big:{ - int segments_per_1000_inch = 1; /* non-zero default for switch */ - switch (ft_qic_std) { - case QIC_TAPE_QIC40: - segments_per_1000_inch = 332; - break; - case QIC_TAPE_QIC80: - segments_per_1000_inch = 488; - break; - case QIC_TAPE_QIC3010: - segments_per_1000_inch = 730; - break; - case QIC_TAPE_QIC3020: - segments_per_1000_inch = 1430; - break; - default: - TRACE_ABORT(-EIO, ft_t_bug, - "%x QIC-standard with fmt-code %d, please report", - ft_qic_std, ft_format_code); - } - new_tape_len = ((1000 * ft_segments_per_track + - (segments_per_1000_inch - 1)) / - segments_per_1000_inch); - break; - } - default: - TRACE_ABORT(-EIO, ft_t_err, - "unknown tape format, please report !"); - } - if (new_tape_len != ftape_tape_len) { - ftape_tape_len = new_tape_len; - TRACE(ft_t_info, "calculated tape length is %d ft", - ftape_tape_len); - ftape_calc_timeouts(ft_qic_std, ft_data_rate, ftape_tape_len); - } - if (ft_segments_per_track == 0 && ft_tracks_per_tape == 0 && - max_floppy_side == 0 && max_floppy_track == 0 && - max_floppy_sector == 0) { - /* QIC-40 Rev E and earlier has no values in the header. - */ - ft_segments_per_track = 68; - ft_tracks_per_tape = 20; - max_floppy_side = 1; - max_floppy_track = 169; - max_floppy_sector = 128; - } - /* This test will compensate for the wrong parameter on tapes - * formatted by Conner software. - */ - if (ft_segments_per_track == 150 && - ft_tracks_per_tape == 28 && - max_floppy_side == 7 && - max_floppy_track == 149 && - max_floppy_sector == 128) { -TRACE(ft_t_info, "the famous CONNER bug: max_floppy_side off by one !"); - max_floppy_side = 6; - } - /* These tests will compensate for the wrong parameter on tapes - * formatted by ComByte Windows software. - * - * First, for 205 foot tapes - */ - if (ft_segments_per_track == 100 && - ft_tracks_per_tape == 28 && - max_floppy_side == 9 && - max_floppy_track == 149 && - max_floppy_sector == 128) { -TRACE(ft_t_info, "the ComByte bug: max_floppy_side incorrect!"); - max_floppy_side = 4; - } - /* Next, for 307 foot tapes. */ - if (ft_segments_per_track == 150 && - ft_tracks_per_tape == 28 && - max_floppy_side == 9 && - max_floppy_track == 149 && - max_floppy_sector == 128) { -TRACE(ft_t_info, "the ComByte bug: max_floppy_side incorrect!"); - max_floppy_side = 6; - } - /* This test will compensate for the wrong parameter on tapes - * formatted by Colorado Windows software. - */ - if (ft_segments_per_track == 150 && - ft_tracks_per_tape == 28 && - max_floppy_side == 6 && - max_floppy_track == 150 && - max_floppy_sector == 128) { -TRACE(ft_t_info, "the famous Colorado bug: max_floppy_track off by one !"); - max_floppy_track = 149; - } - ftape_segments_per_head = ((max_floppy_sector/FT_SECTORS_PER_SEGMENT) * - (max_floppy_track + 1)); - /* This test will compensate for some bug reported by Dima - * Brodsky. Seems to be a Colorado bug, either. (freebee - * Imation tape shipped together with Colorado T3000 - */ - if ((ft_format_code == fmt_var || ft_format_code == fmt_big) && - ft_tracks_per_tape == 50 && - max_floppy_side == 54 && - max_floppy_track == 255 && - max_floppy_sector == 128) { -TRACE(ft_t_info, "the famous ??? bug: max_floppy_track off by one !"); - max_floppy_track = 254; - } - /* - * Verify drive_configuration with tape parameters - */ - if (ftape_segments_per_head == 0 || ftape_segments_per_cylinder == 0 || - ((ft_segments_per_track * ft_tracks_per_tape - 1) / ftape_segments_per_head - != max_floppy_side) || - (ftape_segments_per_head / ftape_segments_per_cylinder - 1 != max_floppy_track) || - (ftape_segments_per_cylinder * FT_SECTORS_PER_SEGMENT != max_floppy_sector) -#ifdef TESTING - || ((ft_format_code == fmt_var || ft_format_code == fmt_big) && - (max_floppy_track != 254 || max_floppy_sector != 128)) -#endif - ) { - char segperheadz = ftape_segments_per_head ? ' ' : '?'; - char segpercylz = ftape_segments_per_cylinder ? ' ' : '?'; - TRACE(ft_t_err,"Tape parameters inconsistency, please report"); - TRACE(ft_t_err, "reported = %d/%d/%d/%d/%d/%d", - ft_format_code, - ft_segments_per_track, - ft_tracks_per_tape, - max_floppy_side, - max_floppy_track, - max_floppy_sector); - TRACE(ft_t_err, "required = %d/%d/%d/%d%c/%d%c/%d", - ft_format_code, - ft_segments_per_track, - ft_tracks_per_tape, - ftape_segments_per_head ? - ((ft_segments_per_track * ft_tracks_per_tape -1) / - ftape_segments_per_head ) : - (ft_segments_per_track * ft_tracks_per_tape -1), - segperheadz, - ftape_segments_per_cylinder ? - (ftape_segments_per_head / - ftape_segments_per_cylinder - 1 ) : - ftape_segments_per_head - 1, - segpercylz, - (ftape_segments_per_cylinder * FT_SECTORS_PER_SEGMENT)); - TRACE_EXIT -EIO; - } - ftape_extract_bad_sector_map(address); - TRACE_EXIT 0; -} diff --git a/drivers/char/ftape/lowlevel/ftape-read.h b/drivers/char/ftape/lowlevel/ftape-read.h deleted file mode 100644 index 069f99f2a98..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-read.h +++ /dev/null @@ -1,51 +0,0 @@ -#ifndef _FTAPE_READ_H -#define _FTAPE_READ_H - -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-read.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:22 $ - * - * This file contains the definitions for the read functions - * for the QIC-117 floppy-tape driver for Linux. - * - */ - -/* ftape-read.c defined global functions. - */ -typedef enum { - FT_RD_SINGLE = 0, - FT_RD_AHEAD = 1, -} ft_read_mode_t; - -extern int ftape_read_header_segment(__u8 *address); -extern int ftape_decode_header_segment(__u8 *address); -extern int ftape_read_segment_fraction(const int segment, - void *address, - const ft_read_mode_t read_mode, - const int start, - const int size); -#define ftape_read_segment(segment, address, read_mode) \ - ftape_read_segment_fraction(segment, address, read_mode, \ - 0, FT_SEGMENT_SIZE) -extern void ftape_zap_read_buffers(void); - -#endif /* _FTAPE_READ_H */ diff --git a/drivers/char/ftape/lowlevel/ftape-rw.c b/drivers/char/ftape/lowlevel/ftape-rw.c deleted file mode 100644 index c0d6dc2cbfd..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-rw.c +++ /dev/null @@ -1,1092 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-rw.c,v $ - * $Revision: 1.7 $ - * $Date: 1997/10/28 14:26:49 $ - * - * This file contains some common code for the segment read and - * segment write routines for the QIC-117 floppy-tape driver for - * Linux. - */ - -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-init.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-ecc.h" -#include "../lowlevel/ftape-bsm.h" - -/* Global vars. - */ -int ft_nr_buffers; -buffer_struct *ft_buffer[FT_MAX_NR_BUFFERS]; -static volatile int ft_head; -static volatile int ft_tail; /* not volatile but need same type as head */ -int fdc_setup_error; -location_record ft_location = {-1, 0}; -volatile int ftape_tape_running; - -/* Local vars. - */ -static int overrun_count_offset; -static int inhibit_correction; - -/* maxmimal allowed overshoot when fast seeking - */ -#define OVERSHOOT_LIMIT 10 - -/* Increment cyclic buffer nr. - */ -buffer_struct *ftape_next_buffer(ft_buffer_queue_t pos) -{ - switch (pos) { - case ft_queue_head: - if (++ft_head >= ft_nr_buffers) { - ft_head = 0; - } - return ft_buffer[ft_head]; - case ft_queue_tail: - if (++ft_tail >= ft_nr_buffers) { - ft_tail = 0; - } - return ft_buffer[ft_tail]; - default: - return NULL; - } -} -int ftape_buffer_id(ft_buffer_queue_t pos) -{ - switch(pos) { - case ft_queue_head: return ft_head; - case ft_queue_tail: return ft_tail; - default: return -1; - } -} -buffer_struct *ftape_get_buffer(ft_buffer_queue_t pos) -{ - switch(pos) { - case ft_queue_head: return ft_buffer[ft_head]; - case ft_queue_tail: return ft_buffer[ft_tail]; - default: return NULL; - } -} -void ftape_reset_buffer(void) -{ - ft_head = ft_tail = 0; -} - -buffer_state_enum ftape_set_state(buffer_state_enum new_state) -{ - buffer_state_enum old_state = ft_driver_state; - - ft_driver_state = new_state; - return old_state; -} -/* Calculate Floppy Disk Controller and DMA parameters for a segment. - * head: selects buffer struct in array. - * offset: number of physical sectors to skip (including bad ones). - * count: number of physical sectors to handle (including bad ones). - */ -static int setup_segment(buffer_struct * buff, - int segment_id, - unsigned int sector_offset, - unsigned int sector_count, - int retry) -{ - SectorMap offset_mask; - SectorMap mask; - TRACE_FUN(ft_t_any); - - buff->segment_id = segment_id; - buff->sector_offset = sector_offset; - buff->remaining = sector_count; - buff->head = segment_id / ftape_segments_per_head; - buff->cyl = (segment_id % ftape_segments_per_head) / ftape_segments_per_cylinder; - buff->sect = (segment_id % ftape_segments_per_cylinder) * FT_SECTORS_PER_SEGMENT + 1; - buff->deleted = 0; - offset_mask = (1 << buff->sector_offset) - 1; - mask = ftape_get_bad_sector_entry(segment_id) & offset_mask; - while (mask) { - if (mask & 1) { - offset_mask >>= 1; /* don't count bad sector */ - } - mask >>= 1; - } - buff->data_offset = count_ones(offset_mask); /* good sectors to skip */ - buff->ptr = buff->address + buff->data_offset * FT_SECTOR_SIZE; - TRACE(ft_t_flow, "data offset = %d sectors", buff->data_offset); - if (retry) { - buff->soft_error_map &= offset_mask; /* keep skipped part */ - } else { - buff->hard_error_map = buff->soft_error_map = 0; - } - buff->bad_sector_map = ftape_get_bad_sector_entry(buff->segment_id); - if (buff->bad_sector_map != 0) { - TRACE(ft_t_noise, "segment: %d, bad sector map: %08lx", - buff->segment_id, (long)buff->bad_sector_map); - } else { - TRACE(ft_t_flow, "segment: %d", buff->segment_id); - } - if (buff->sector_offset > 0) { - buff->bad_sector_map >>= buff->sector_offset; - } - if (buff->sector_offset != 0 || buff->remaining != FT_SECTORS_PER_SEGMENT) { - TRACE(ft_t_flow, "sector offset = %d, count = %d", - buff->sector_offset, buff->remaining); - } - /* Segments with 3 or less sectors are not written with valid - * data because there is no space left for the ecc. The - * data written is whatever happens to be in the buffer. - * Reading such a segment will return a zero byte-count. - * To allow us to read/write segments with all bad sectors - * we fake one readable sector in the segment. This - * prevents having to handle these segments in a very - * special way. It is not important if the reading of this - * bad sector fails or not (the data is ignored). It is - * only read to keep the driver running. - * - * The QIC-40/80 spec. has no information on how to handle - * this case, so this is my interpretation. - */ - if (buff->bad_sector_map == EMPTY_SEGMENT) { - TRACE(ft_t_flow, "empty segment %d, fake first sector good", - buff->segment_id); - if (buff->ptr != buff->address) { - TRACE(ft_t_bug, "This is a bug: %p/%p", - buff->ptr, buff->address); - } - buff->bad_sector_map = FAKE_SEGMENT; - } - fdc_setup_error = 0; - buff->next_segment = segment_id + 1; - TRACE_EXIT 0; -} - -/* Calculate Floppy Disk Controller and DMA parameters for a new segment. - */ -int ftape_setup_new_segment(buffer_struct * buff, int segment_id, int skip) -{ - int result = 0; - static int old_segment_id = -1; - static buffer_state_enum old_ft_driver_state = idle; - int retry = 0; - unsigned offset = 0; - int count = FT_SECTORS_PER_SEGMENT; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_flow, "%s segment %d (old = %d)", - (ft_driver_state == reading || ft_driver_state == verifying) - ? "reading" : "writing", - segment_id, old_segment_id); - if (ft_driver_state != old_ft_driver_state) { /* when verifying */ - old_segment_id = -1; - old_ft_driver_state = ft_driver_state; - } - if (segment_id == old_segment_id) { - ++buff->retry; - ++ft_history.retries; - TRACE(ft_t_flow, "setting up for retry nr %d", buff->retry); - retry = 1; - if (skip && buff->skip > 0) { /* allow skip on retry */ - offset = buff->skip; - count -= offset; - TRACE(ft_t_flow, "skipping %d sectors", offset); - } - } else { - buff->retry = 0; - buff->skip = 0; - old_segment_id = segment_id; - } - result = setup_segment(buff, segment_id, offset, count, retry); - TRACE_EXIT result; -} - -/* Determine size of next cluster of good sectors. - */ -int ftape_calc_next_cluster(buffer_struct * buff) -{ - /* Skip bad sectors. - */ - while (buff->remaining > 0 && (buff->bad_sector_map & 1) != 0) { - buff->bad_sector_map >>= 1; - ++buff->sector_offset; - --buff->remaining; - } - /* Find next cluster of good sectors - */ - if (buff->bad_sector_map == 0) { /* speed up */ - buff->sector_count = buff->remaining; - } else { - SectorMap map = buff->bad_sector_map; - - buff->sector_count = 0; - while (buff->sector_count < buff->remaining && (map & 1) == 0) { - ++buff->sector_count; - map >>= 1; - } - } - return buff->sector_count; -} - -/* if just passed the last segment on a track, wait for BOT - * or EOT mark. - */ -int ftape_handle_logical_eot(void) -{ - TRACE_FUN(ft_t_flow); - - if (ft_runner_status == logical_eot) { - int status; - - TRACE(ft_t_noise, "tape at logical EOT"); - TRACE_CATCH(ftape_ready_wait(ftape_timeout.seek, &status),); - if ((status & (QIC_STATUS_AT_BOT | QIC_STATUS_AT_EOT)) == 0) { - TRACE_ABORT(-EIO, ft_t_err, "eot/bot not reached"); - } - ft_runner_status = end_of_tape; - } - if (ft_runner_status == end_of_tape) { - TRACE(ft_t_noise, "runner stopped because of logical EOT"); - ft_runner_status = idle; - } - TRACE_EXIT 0; -} - -static int check_bot_eot(int status) -{ - TRACE_FUN(ft_t_flow); - - if (status & (QIC_STATUS_AT_BOT | QIC_STATUS_AT_EOT)) { - ft_location.bot = ((ft_location.track & 1) == 0 ? - (status & QIC_STATUS_AT_BOT) != 0: - (status & QIC_STATUS_AT_EOT) != 0); - ft_location.eot = !ft_location.bot; - ft_location.segment = (ft_location.track + - (ft_location.bot ? 0 : 1)) * ft_segments_per_track - 1; - ft_location.sector = -1; - ft_location.known = 1; - TRACE(ft_t_flow, "tape at logical %s", - ft_location.bot ? "bot" : "eot"); - TRACE(ft_t_flow, "segment = %d", ft_location.segment); - } else { - ft_location.known = 0; - } - TRACE_EXIT ft_location.known; -} - -/* Read Id of first sector passing tape head. - */ -static int ftape_read_id(void) -{ - int status; - __u8 out[2]; - TRACE_FUN(ft_t_any); - - /* Assume tape is running on entry, be able to handle - * situation where it stopped or is stopping. - */ - ft_location.known = 0; /* default is location not known */ - out[0] = FDC_READID; - out[1] = ft_drive_sel; - TRACE_CATCH(fdc_command(out, 2),); - switch (fdc_interrupt_wait(20 * FT_SECOND)) { - case 0: - if (fdc_sect == 0) { - if (ftape_report_drive_status(&status) >= 0 && - (status & QIC_STATUS_READY)) { - ftape_tape_running = 0; - TRACE(ft_t_flow, "tape has stopped"); - check_bot_eot(status); - } - } else { - ft_location.known = 1; - ft_location.segment = (ftape_segments_per_head - * fdc_head - + ftape_segments_per_cylinder - * fdc_cyl - + (fdc_sect - 1) - / FT_SECTORS_PER_SEGMENT); - ft_location.sector = ((fdc_sect - 1) - % FT_SECTORS_PER_SEGMENT); - ft_location.eot = ft_location.bot = 0; - } - break; - case -ETIME: - /* Didn't find id on tape, must be near end: Wait - * until stopped. - */ - if (ftape_ready_wait(FT_FOREVER, &status) >= 0) { - ftape_tape_running = 0; - TRACE(ft_t_flow, "tape has stopped"); - check_bot_eot(status); - } - break; - default: - /* Interrupted or otherwise failing - * fdc_interrupt_wait() - */ - TRACE(ft_t_err, "fdc_interrupt_wait failed"); - break; - } - if (!ft_location.known) { - TRACE_ABORT(-EIO, ft_t_flow, "no id found"); - } - if (ft_location.sector == 0) { - TRACE(ft_t_flow, "passing segment %d/%d", - ft_location.segment, ft_location.sector); - } else { - TRACE(ft_t_fdc_dma, "passing segment %d/%d", - ft_location.segment, ft_location.sector); - } - TRACE_EXIT 0; -} - -static int logical_forward(void) -{ - ftape_tape_running = 1; - return ftape_command(QIC_LOGICAL_FORWARD); -} - -int ftape_stop_tape(int *pstatus) -{ - int retry = 0; - int result; - TRACE_FUN(ft_t_flow); - - do { - result = ftape_command_wait(QIC_STOP_TAPE, - ftape_timeout.stop, pstatus); - if (result == 0) { - if ((*pstatus & QIC_STATUS_READY) == 0) { - result = -EIO; - } else { - ftape_tape_running = 0; - } - } - } while (result < 0 && ++retry <= 3); - if (result < 0) { - TRACE(ft_t_err, "failed ! (fatal)"); - } - TRACE_EXIT result; -} - -int ftape_dumb_stop(void) -{ - int result; - int status; - TRACE_FUN(ft_t_flow); - - /* Abort current fdc operation if it's busy (probably read - * or write operation pending) with a reset. - */ - if (fdc_ready_wait(100 /* usec */) < 0) { - TRACE(ft_t_noise, "aborting fdc operation"); - fdc_reset(); - } - /* Reading id's after the last segment on a track may fail - * but eventually the drive will become ready (logical eot). - */ - result = ftape_report_drive_status(&status); - ft_location.known = 0; - do { - if (result == 0 && status & QIC_STATUS_READY) { - /* Tape is not running any more. - */ - TRACE(ft_t_noise, "tape already halted"); - check_bot_eot(status); - ftape_tape_running = 0; - } else if (ftape_tape_running) { - /* Tape is (was) still moving. - */ -#ifdef TESTING - ftape_read_id(); -#endif - result = ftape_stop_tape(&status); - } else { - /* Tape not yet ready but stopped. - */ - result = ftape_ready_wait(ftape_timeout.pause,&status); - } - } while (ftape_tape_running - && !(sigtestsetmask(¤t->pending.signal, _NEVER_BLOCK))); -#ifndef TESTING - ft_location.known = 0; -#endif - if (ft_runner_status == aborting || ft_runner_status == do_abort) { - ft_runner_status = idle; - } - TRACE_EXIT result; -} - -/* Wait until runner has finished tail buffer. - * - */ -int ftape_wait_segment(buffer_state_enum state) -{ - int status; - int result = 0; - TRACE_FUN(ft_t_flow); - - while (ft_buffer[ft_tail]->status == state) { - TRACE(ft_t_flow, "state: %d", ft_buffer[ft_tail]->status); - /* First buffer still being worked on, wait up to timeout. - * - * Note: we check two times for being killed. 50 - * seconds are quite long. Note that - * fdc_interrupt_wait() is not killable by any - * means. ftape_read_segment() wants us to return - * -EINTR in case of a signal. - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - result = fdc_interrupt_wait(50 * FT_SECOND); - FT_SIGNAL_EXIT(_DONT_BLOCK); - if (result < 0) { - TRACE_ABORT(result, - ft_t_err, "fdc_interrupt_wait failed"); - } - if (fdc_setup_error) { - /* recover... FIXME */ - TRACE_ABORT(-EIO, ft_t_err, "setup error"); - } - } - if (ft_buffer[ft_tail]->status != error) { - TRACE_EXIT 0; - } - TRACE_CATCH(ftape_report_drive_status(&status),); - TRACE(ft_t_noise, "ftape_report_drive_status: 0x%02x", status); - if ((status & QIC_STATUS_READY) && - (status & QIC_STATUS_ERROR)) { - unsigned int error; - qic117_cmd_t command; - - /* Report and clear error state. - * In case the drive can't operate at the selected - * rate, select the next lower data rate. - */ - ftape_report_error(&error, &command, 1); - if (error == 31 && command == QIC_LOGICAL_FORWARD) { - /* drive does not accept this data rate */ - if (ft_data_rate > 250) { - TRACE(ft_t_info, - "Probable data rate conflict"); - TRACE(ft_t_info, - "Lowering data rate to %d Kbps", - ft_data_rate / 2); - ftape_half_data_rate(); - if (ft_buffer[ft_tail]->retry > 0) { - /* give it a chance */ - --ft_buffer[ft_tail]->retry; - } - } else { - /* no rate is accepted... */ - TRACE(ft_t_err, "We're dead :("); - } - } else { - TRACE(ft_t_err, "Unknown error"); - } - TRACE_EXIT -EIO; /* g.p. error */ - } - TRACE_EXIT 0; -} - -/* forward */ static int seek_forward(int segment_id, int fast); - -static int fast_seek(int count, int reverse) -{ - int result = 0; - int status; - TRACE_FUN(ft_t_flow); - - if (count > 0) { - /* If positioned at begin or end of tape, fast seeking needs - * special treatment. - * Starting from logical bot needs a (slow) seek to the first - * segment before the high speed seek. Most drives do this - * automatically but some older don't, so we treat them - * all the same. - * Starting from logical eot is even more difficult because - * we cannot (slow) reverse seek to the last segment. - * TO BE IMPLEMENTED. - */ - inhibit_correction = 0; - if (ft_location.known && - ((ft_location.bot && !reverse) || - (ft_location.eot && reverse))) { - if (!reverse) { - /* (slow) skip to first segment on a track - */ - seek_forward(ft_location.track * ft_segments_per_track, 0); - --count; - } else { - /* When seeking backwards from - * end-of-tape the number of erased - * gaps found seems to be higher than - * expected. Therefor the drive must - * skip some more segments than - * calculated, but we don't know how - * many. Thus we will prevent the - * re-calculation of offset and - * overshoot when seeking backwards. - */ - inhibit_correction = 1; - count += 3; /* best guess */ - } - } - } else { - TRACE(ft_t_flow, "warning: zero or negative count: %d", count); - } - if (count > 0) { - int i; - int nibbles = count > 255 ? 3 : 2; - - if (count > 4095) { - TRACE(ft_t_noise, "skipping clipped at 4095 segment"); - count = 4095; - } - /* Issue this tape command first. */ - if (!reverse) { - TRACE(ft_t_noise, "skipping %d segment(s)", count); - result = ftape_command(nibbles == 3 ? - QIC_SKIP_EXTENDED_FORWARD : QIC_SKIP_FORWARD); - } else { - TRACE(ft_t_noise, "backing up %d segment(s)", count); - result = ftape_command(nibbles == 3 ? - QIC_SKIP_EXTENDED_REVERSE : QIC_SKIP_REVERSE); - } - if (result < 0) { - TRACE(ft_t_noise, "Skip command failed"); - } else { - --count; /* 0 means one gap etc. */ - for (i = 0; i < nibbles; ++i) { - if (result >= 0) { - result = ftape_parameter(count & 15); - count /= 16; - } - } - result = ftape_ready_wait(ftape_timeout.rewind, &status); - if (result >= 0) { - ftape_tape_running = 0; - } - } - } - TRACE_EXIT result; -} - -static int validate(int id) -{ - /* Check to see if position found is off-track as reported - * once. Because all tracks in one direction lie next to - * each other, if off-track the error will be approximately - * 2 * ft_segments_per_track. - */ - if (ft_location.track == -1) { - return 1; /* unforseen situation, don't generate error */ - } else { - /* Use margin of ft_segments_per_track on both sides - * because ftape needs some margin and the error we're - * looking for is much larger ! - */ - int lo = (ft_location.track - 1) * ft_segments_per_track; - int hi = (ft_location.track + 2) * ft_segments_per_track; - - return (id >= lo && id < hi); - } -} - -static int seek_forward(int segment_id, int fast) -{ - int failures = 0; - int count; - static int margin = 1; /* fixed: stop this before target */ - static int overshoot = 1; - static int min_count = 8; - int expected = -1; - int target = segment_id - margin; - int fast_seeking; - int prev_segment = ft_location.segment; - TRACE_FUN(ft_t_flow); - - if (!ft_location.known) { - TRACE_ABORT(-EIO, ft_t_err, - "fatal: cannot seek from unknown location"); - } - if (!validate(segment_id)) { - ftape_sleep(1 * FT_SECOND); - ft_failure = 1; - TRACE_ABORT(-EIO, ft_t_err, - "fatal: head off track (bad hardware?)"); - } - TRACE(ft_t_noise, "from %d/%d to %d/0 - %d", - ft_location.segment, ft_location.sector,segment_id,margin); - count = target - ft_location.segment - overshoot; - fast_seeking = (fast && - count > (min_count + (ft_location.bot ? 1 : 0))); - if (fast_seeking) { - TRACE(ft_t_noise, "fast skipping %d segments", count); - expected = segment_id - margin; - fast_seek(count, 0); - } - if (!ftape_tape_running) { - logical_forward(); - } - while (ft_location.segment < segment_id) { - /* This requires at least one sector in a (bad) segment to - * have a valid and readable sector id ! - * It looks like this is not guaranteed, so we must try - * to find a way to skip an EMPTY_SEGMENT. !!! FIXME !!! - */ - if (ftape_read_id() < 0 || !ft_location.known || - sigtestsetmask(¤t->pending.signal, _DONT_BLOCK)) { - ft_location.known = 0; - if (!ftape_tape_running || - ++failures > FT_SECTORS_PER_SEGMENT) { - TRACE_ABORT(-EIO, ft_t_err, - "read_id failed completely"); - } - FT_SIGNAL_EXIT(_DONT_BLOCK); - TRACE(ft_t_flow, "read_id failed, retry (%d)", - failures); - continue; - } - if (fast_seeking) { - TRACE(ft_t_noise, "ended at %d/%d (%d,%d)", - ft_location.segment, ft_location.sector, - overshoot, inhibit_correction); - if (!inhibit_correction && - (ft_location.segment < expected || - ft_location.segment > expected + margin)) { - int error = ft_location.segment - expected; - TRACE(ft_t_noise, - "adjusting overshoot from %d to %d", - overshoot, overshoot + error); - overshoot += error; - /* All overshoots have the same - * direction, so it should never - * become negative, but who knows. - */ - if (overshoot < -5 || - overshoot > OVERSHOOT_LIMIT) { - if (overshoot < 0) { - /* keep sane value */ - overshoot = -5; - } else { - /* keep sane value */ - overshoot = OVERSHOOT_LIMIT; - } - TRACE(ft_t_noise, - "clipped overshoot to %d", - overshoot); - } - } - fast_seeking = 0; - } - if (ft_location.known) { - if (ft_location.segment > prev_segment + 1) { - TRACE(ft_t_noise, - "missed segment %d while skipping", - prev_segment + 1); - } - prev_segment = ft_location.segment; - } - } - if (ft_location.segment > segment_id) { - TRACE_ABORT(-EIO, - ft_t_noise, "failed: skip ended at segment %d/%d", - ft_location.segment, ft_location.sector); - } - TRACE_EXIT 0; -} - -static int skip_reverse(int segment_id, int *pstatus) -{ - int failures = 0; - static int overshoot = 1; - static int min_rewind = 2; /* 1 + overshoot */ - static const int margin = 1; /* stop this before target */ - int expected = 0; - int count = 1; - int short_seek; - int target = segment_id - margin; - TRACE_FUN(ft_t_flow); - - if (ft_location.known && !validate(segment_id)) { - ftape_sleep(1 * FT_SECOND); - ft_failure = 1; - TRACE_ABORT(-EIO, ft_t_err, - "fatal: head off track (bad hardware?)"); - } - do { - if (!ft_location.known) { - TRACE(ft_t_warn, "warning: location not known"); - } - TRACE(ft_t_noise, "from %d/%d to %d/0 - %d", - ft_location.segment, ft_location.sector, - segment_id, margin); - /* min_rewind == 1 + overshoot_when_doing_minimum_rewind - * overshoot == overshoot_when_doing_larger_rewind - * Initially min_rewind == 1 + overshoot, optimization - * of both values will be done separately. - * overshoot and min_rewind can be negative as both are - * sums of three components: - * any_overshoot == rewind_overshoot - - * stop_overshoot - - * start_overshoot - */ - if (ft_location.segment - target - (min_rewind - 1) < 1) { - short_seek = 1; - } else { - count = ft_location.segment - target - overshoot; - short_seek = (count < 1); - } - if (short_seek) { - count = 1; /* do shortest rewind */ - expected = ft_location.segment - min_rewind; - if (expected/ft_segments_per_track != ft_location.track) { - expected = (ft_location.track * - ft_segments_per_track); - } - } else { - expected = target; - } - fast_seek(count, 1); - logical_forward(); - if (ftape_read_id() < 0 || !ft_location.known || - (sigtestsetmask(¤t->pending.signal, _DONT_BLOCK))) { - if ((!ftape_tape_running && !ft_location.known) || - ++failures > FT_SECTORS_PER_SEGMENT) { - TRACE_ABORT(-EIO, ft_t_err, - "read_id failed completely"); - } - FT_SIGNAL_EXIT(_DONT_BLOCK); - TRACE_CATCH(ftape_report_drive_status(pstatus),); - TRACE(ft_t_noise, "ftape_read_id failed, retry (%d)", - failures); - continue; - } - TRACE(ft_t_noise, "ended at %d/%d (%d,%d,%d)", - ft_location.segment, ft_location.sector, - min_rewind, overshoot, inhibit_correction); - if (!inhibit_correction && - (ft_location.segment < expected || - ft_location.segment > expected + margin)) { - int error = expected - ft_location.segment; - if (short_seek) { - TRACE(ft_t_noise, - "adjusting min_rewind from %d to %d", - min_rewind, min_rewind + error); - min_rewind += error; - if (min_rewind < -5) { - /* is this right ? FIXME ! */ - /* keep sane value */ - min_rewind = -5; - TRACE(ft_t_noise, - "clipped min_rewind to %d", - min_rewind); - } - } else { - TRACE(ft_t_noise, - "adjusting overshoot from %d to %d", - overshoot, overshoot + error); - overshoot += error; - if (overshoot < -5 || - overshoot > OVERSHOOT_LIMIT) { - if (overshoot < 0) { - /* keep sane value */ - overshoot = -5; - } else { - /* keep sane value */ - overshoot = OVERSHOOT_LIMIT; - } - TRACE(ft_t_noise, - "clipped overshoot to %d", - overshoot); - } - } - } - } while (ft_location.segment > segment_id); - if (ft_location.known) { - TRACE(ft_t_noise, "current location: %d/%d", - ft_location.segment, ft_location.sector); - } - TRACE_EXIT 0; -} - -static int determine_position(void) -{ - int retry = 0; - int status; - int result; - TRACE_FUN(ft_t_flow); - - if (!ftape_tape_running) { - /* This should only happen if tape is stopped by isr. - */ - TRACE(ft_t_flow, "waiting for tape stop"); - if (ftape_ready_wait(ftape_timeout.pause, &status) < 0) { - TRACE(ft_t_flow, "drive still running (fatal)"); - ftape_tape_running = 1; /* ? */ - } - } else { - ftape_report_drive_status(&status); - } - if (status & QIC_STATUS_READY) { - /* Drive must be ready to check error state ! - */ - TRACE(ft_t_flow, "drive is ready"); - if (status & QIC_STATUS_ERROR) { - unsigned int error; - qic117_cmd_t command; - - /* Report and clear error state, try to continue. - */ - TRACE(ft_t_flow, "error status set"); - ftape_report_error(&error, &command, 1); - ftape_ready_wait(ftape_timeout.reset, &status); - ftape_tape_running = 0; /* ? */ - } - if (check_bot_eot(status)) { - if (ft_location.bot) { - if ((status & QIC_STATUS_READY) == 0) { - /* tape moving away from - * bot/eot, let's see if we - * can catch up with the first - * segment on this track. - */ - } else { - TRACE(ft_t_flow, - "start tape from logical bot"); - logical_forward(); /* start moving */ - } - } else { - if ((status & QIC_STATUS_READY) == 0) { - TRACE(ft_t_noise, "waiting for logical end of track"); - result = ftape_ready_wait(ftape_timeout.reset, &status); - /* error handling needed ? */ - } else { - TRACE(ft_t_noise, - "tape at logical end of track"); - } - } - } else { - TRACE(ft_t_flow, "start tape"); - logical_forward(); /* start moving */ - ft_location.known = 0; /* not cleared by logical forward ! */ - } - } - /* tape should be moving now, start reading id's - */ - while (!ft_location.known && - retry++ < FT_SECTORS_PER_SEGMENT && - (result = ftape_read_id()) < 0) { - - TRACE(ft_t_flow, "location unknown"); - - /* exit on signal - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - - /* read-id somehow failed, tape may - * have reached end or some other - * error happened. - */ - TRACE(ft_t_flow, "read-id failed"); - TRACE_CATCH(ftape_report_drive_status(&status),); - TRACE(ft_t_err, "ftape_report_drive_status: 0x%02x", status); - if (status & QIC_STATUS_READY) { - ftape_tape_running = 0; - TRACE(ft_t_noise, "tape stopped for unknown reason! " - "status = 0x%02x", status); - if (status & QIC_STATUS_ERROR || - !check_bot_eot(status)) { - /* oops, tape stopped but not at end! - */ - TRACE_EXIT -EIO; - } - } - } - TRACE(ft_t_flow, - "tape is positioned at segment %d", ft_location.segment); - TRACE_EXIT ft_location.known ? 0 : -EIO; -} - -/* Get the tape running and position it just before the - * requested segment. - * Seek tape-track and reposition as needed. - */ -int ftape_start_tape(int segment_id, int sector_offset) -{ - int track = segment_id / ft_segments_per_track; - int result = -EIO; - int status; - static int last_segment = -1; - static int bad_bus_timing = 0; - /* number of segments passing the head between starting the tape - * and being able to access the first sector. - */ - static int start_offset = 1; - int retry; - TRACE_FUN(ft_t_flow); - - /* If sector_offset > 0, seek into wanted segment instead of - * into previous. - * This allows error recovery if a part of the segment is bad - * (erased) causing the tape drive to generate an index pulse - * thus causing a no-data error before the requested sector - * is reached. - */ - ftape_tape_running = 0; - TRACE(ft_t_noise, "target segment: %d/%d%s", segment_id, sector_offset, - ft_buffer[ft_head]->retry > 0 ? " retry" : ""); - if (ft_buffer[ft_head]->retry > 0) { /* this is a retry */ - int dist = segment_id - last_segment; - - if ((int)ft_history.overrun_errors < overrun_count_offset) { - overrun_count_offset = ft_history.overrun_errors; - } else if (dist < 0 || dist > 50) { - overrun_count_offset = ft_history.overrun_errors; - } else if ((ft_history.overrun_errors - - overrun_count_offset) >= 8) { - if (ftape_increase_threshold() >= 0) { - --ft_buffer[ft_head]->retry; - overrun_count_offset = - ft_history.overrun_errors; - TRACE(ft_t_warn, "increased threshold because " - "of excessive overrun errors"); - } else if (!bad_bus_timing && ft_data_rate >= 1000) { - ftape_half_data_rate(); - --ft_buffer[ft_head]->retry; - bad_bus_timing = 1; - overrun_count_offset = - ft_history.overrun_errors; - TRACE(ft_t_warn, "reduced datarate because " - "of excessive overrun errors"); - } - } - } - last_segment = segment_id; - if (ft_location.track != track || - (ftape_might_be_off_track && ft_buffer[ft_head]->retry== 0)) { - /* current track unknown or not equal to destination - */ - ftape_ready_wait(ftape_timeout.seek, &status); - ftape_seek_head_to_track(track); - /* overrun_count_offset = ft_history.overrun_errors; */ - } - result = -EIO; - retry = 0; - while (result < 0 && - retry++ <= 5 && - !ft_failure && - !(sigtestsetmask(¤t->pending.signal, _DONT_BLOCK))) { - - if (retry && start_offset < 5) { - start_offset ++; - } - /* Check if we are able to catch the requested - * segment in time. - */ - if ((ft_location.known || (determine_position() == 0)) && - ft_location.segment >= - (segment_id - - ((ftape_tape_running || ft_location.bot) - ? 0 : start_offset))) { - /* Too far ahead (in or past target segment). - */ - if (ftape_tape_running) { - if ((result = ftape_stop_tape(&status)) < 0) { - TRACE(ft_t_err, - "stop tape failed with code %d", - result); - break; - } - TRACE(ft_t_noise, "tape stopped"); - ftape_tape_running = 0; - } - TRACE(ft_t_noise, "repositioning"); - ++ft_history.rewinds; - if (segment_id % ft_segments_per_track < start_offset){ - TRACE(ft_t_noise, "end of track condition\n" - KERN_INFO "segment_id : %d\n" - KERN_INFO "ft_segments_per_track: %d\n" - KERN_INFO "start_offset : %d", - segment_id, ft_segments_per_track, - start_offset); - - /* If seeking to first segments on - * track better do a complete rewind - * to logical begin of track to get a - * more steady tape motion. - */ - result = ftape_command_wait( - (ft_location.track & 1) - ? QIC_PHYSICAL_FORWARD - : QIC_PHYSICAL_REVERSE, - ftape_timeout.rewind, &status); - check_bot_eot(status); /* update location */ - } else { - result= skip_reverse(segment_id - start_offset, - &status); - } - } - if (!ft_location.known) { - TRACE(ft_t_bug, "panic: location not known"); - result = -EIO; - continue; /* while() will check for failure */ - } - TRACE(ft_t_noise, "current segment: %d/%d", - ft_location.segment, ft_location.sector); - /* We're on the right track somewhere before the - * wanted segment. Start tape movement if needed and - * skip to just before or inside the requested - * segment. Keep tape running. - */ - result = 0; - if (ft_location.segment < - (segment_id - ((ftape_tape_running || ft_location.bot) - ? 0 : start_offset))) { - if (sector_offset > 0) { - result = seek_forward(segment_id, - retry <= 3); - } else { - result = seek_forward(segment_id - 1, - retry <= 3); - } - } - if (result == 0 && - ft_location.segment != - (segment_id - (sector_offset > 0 ? 0 : 1))) { - result = -EIO; - } - } - if (result < 0) { - TRACE(ft_t_err, "failed to reposition"); - } else { - ft_runner_status = running; - } - TRACE_EXIT result; -} diff --git a/drivers/char/ftape/lowlevel/ftape-rw.h b/drivers/char/ftape/lowlevel/ftape-rw.h deleted file mode 100644 index 32f4feeb887..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-rw.h +++ /dev/null @@ -1,111 +0,0 @@ -#ifndef _FTAPE_RW_H -#define _FTAPE_RW_H - -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-rw.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:25 $ - * - * This file contains the definitions for the read and write - * functions for the QIC-117 floppy-tape driver for Linux. - * - * Claus-Justus Heine (1996/09/20): Add definition of format code 6 - * Claus-Justus Heine (1996/10/04): Changed GET/PUT macros to cast to (__u8 *) - * - */ - -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-init.h" -#include "../lowlevel/ftape-bsm.h" - -#include - -#define GET2(address, offset) get_unaligned((__u16*)((__u8 *)address + offset)) -#define GET4(address, offset) get_unaligned((__u32*)((__u8 *)address + offset)) -#define GET8(address, offset) get_unaligned((__u64*)((__u8 *)address + offset)) -#define PUT2(address, offset , value) put_unaligned((value), (__u16*)((__u8 *)address + offset)) -#define PUT4(address, offset , value) put_unaligned((value), (__u32*)((__u8 *)address + offset)) -#define PUT8(address, offset , value) put_unaligned((value), (__u64*)((__u8 *)address + offset)) - -enum runner_status_enum { - idle = 0, - running, - do_abort, - aborting, - logical_eot, - end_of_tape, -}; - -typedef enum ft_buffer_queue { - ft_queue_head = 0, - ft_queue_tail = 1 -} ft_buffer_queue_t; - - -typedef struct { - int track; /* tape head position */ - volatile int segment; /* current segment */ - volatile int sector; /* sector offset within current segment */ - volatile unsigned int bot; /* logical begin of track */ - volatile unsigned int eot; /* logical end of track */ - volatile unsigned int known; /* validates bot, segment, sector */ -} location_record; - -/* Count nr of 1's in pattern. - */ -static inline int count_ones(unsigned long mask) -{ - int bits; - - for (bits = 0; mask != 0; mask >>= 1) { - if (mask & 1) { - ++bits; - } - } - return bits; -} - -#define FT_MAX_NR_BUFFERS 16 /* arbitrary value */ -/* ftape-rw.c defined global vars. - */ -extern buffer_struct *ft_buffer[FT_MAX_NR_BUFFERS]; -extern int ft_nr_buffers; -extern location_record ft_location; -extern volatile int ftape_tape_running; - -/* ftape-rw.c defined global functions. - */ -extern int ftape_setup_new_segment(buffer_struct * buff, - int segment_id, - int offset); -extern int ftape_calc_next_cluster(buffer_struct * buff); -extern buffer_struct *ftape_next_buffer (ft_buffer_queue_t pos); -extern buffer_struct *ftape_get_buffer (ft_buffer_queue_t pos); -extern int ftape_buffer_id (ft_buffer_queue_t pos); -extern void ftape_reset_buffer(void); -extern void ftape_tape_parameters(__u8 drive_configuration); -extern int ftape_wait_segment(buffer_state_enum state); -extern int ftape_dumb_stop(void); -extern int ftape_start_tape(int segment_id, int offset); -extern int ftape_stop_tape(int *pstatus); -extern int ftape_handle_logical_eot(void); -extern buffer_state_enum ftape_set_state(buffer_state_enum new_state); -#endif /* _FTAPE_RW_H */ diff --git a/drivers/char/ftape/lowlevel/ftape-setup.c b/drivers/char/ftape/lowlevel/ftape-setup.c deleted file mode 100644 index 678340acd0b..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-setup.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-setup.c,v $ - * $Revision: 1.7 $ - * $Date: 1997/10/10 09:57:06 $ - * - * This file contains the code for processing the kernel command - * line options for the QIC-40/80/3010/3020 floppy-tape driver - * "ftape" for Linux. - */ - -#include -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/fdc-io.h" - -static struct param_table { - const char *name; - int *var; - int def_param; - int min; - int max; -} config_params[] __initdata = { -#ifndef CONFIG_FT_NO_TRACE_AT_ALL - { "tracing", &ftape_tracing, 3, ft_t_bug, ft_t_any}, -#endif - { "ioport", &ft_fdc_base, CONFIG_FT_FDC_BASE, 0x0, 0xfff}, - { "irq", &ft_fdc_irq, CONFIG_FT_FDC_IRQ, 2, 15}, - { "dma", &ft_fdc_dma, CONFIG_FT_FDC_DMA, 0, 3}, - { "threshold", &ft_fdc_threshold, CONFIG_FT_FDC_THR, 1, 16}, - { "datarate", &ft_fdc_rate_limit, CONFIG_FT_FDC_MAX_RATE, 500, 2000}, - { "fc10", &ft_probe_fc10, CONFIG_FT_PROBE_FC10, 0, 1}, - { "mach2", &ft_mach2, CONFIG_FT_MACH2, 0, 1} -}; - -static int __init ftape_setup(char *str) -{ - int i; - int param; - int ints[2]; - - TRACE_FUN(ft_t_flow); - - str = get_options(str, ARRAY_SIZE(ints), ints); - if (str) { - for (i=0; i < NR_ITEMS(config_params); i++) { - if (strcmp(str,config_params[i].name) == 0){ - if (ints[0]) { - param = ints[1]; - } else { - param = config_params[i].def_param; - } - if (param < config_params[i].min || - param > config_params[i].max) { - TRACE(ft_t_err, - "parameter %s out of range %d ... %d", - config_params[i].name, - config_params[i].min, - config_params[i].max); - goto out; - } - if(config_params[i].var) { - TRACE(ft_t_info, "%s=%d", str, param); - *config_params[i].var = param; - } - goto out; - } - } - } - if (str) { - TRACE(ft_t_err, "unknown ftape option [%s]", str); - - TRACE(ft_t_err, "allowed options are:"); - for (i=0; i < NR_ITEMS(config_params); i++) { - TRACE(ft_t_err, " %s",config_params[i].name); - } - } else { - TRACE(ft_t_err, "botched ftape option"); - } - out: - TRACE_EXIT 1; -} - -__setup("ftape=", ftape_setup); diff --git a/drivers/char/ftape/lowlevel/ftape-tracing.c b/drivers/char/ftape/lowlevel/ftape-tracing.c deleted file mode 100644 index 7fdc6567440..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-tracing.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Copyright (C) 1993-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-tracing.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:27 $ - * - * This file contains the reading code - * for the QIC-117 floppy-tape driver for Linux. - */ - -#include -#include "../lowlevel/ftape-tracing.h" - -/* Global vars. - */ -/* tracing - * set it to: to log : - * 0 bugs - * 1 + errors - * 2 + warnings - * 3 + information - * 4 + more information - * 5 + program flow - * 6 + fdc/dma info - * 7 + data flow - * 8 + everything else - */ -ft_trace_t ftape_tracing = ft_t_info; /* Default level: information and up */ -int ftape_function_nest_level; - -/* Local vars. - */ -static __u8 trace_id; -static char spacing[] = "* "; - -void ftape_trace_call(const char *file, const char *name) -{ - char *indent; - - /* Since printk seems not to work with "%*s" format - * we'll use this work-around. - */ - if (ftape_function_nest_level < 0) { - printk(KERN_INFO "function nest level (%d) < 0\n", - ftape_function_nest_level); - ftape_function_nest_level = 0; - } - if (ftape_function_nest_level < sizeof(spacing)) { - indent = (spacing + - sizeof(spacing) - 1 - - ftape_function_nest_level); - } else { - indent = spacing; - } - printk(KERN_INFO "[%03d]%s+%s (%s)\n", - (int) trace_id++, indent, file, name); -} - -void ftape_trace_exit(const char *file, const char *name) -{ - char *indent; - - /* Since printk seems not to work with "%*s" format - * we'll use this work-around. - */ - if (ftape_function_nest_level < 0) { - printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level); - ftape_function_nest_level = 0; - } - if (ftape_function_nest_level < sizeof(spacing)) { - indent = (spacing + - sizeof(spacing) - 1 - - ftape_function_nest_level); - } else { - indent = spacing; - } - printk(KERN_INFO "[%03d]%s-%s (%s)\n", - (int) trace_id++, indent, file, name); -} - -void ftape_trace_log(const char *file, const char *function) -{ - char *indent; - - /* Since printk seems not to work with "%*s" format - * we'll use this work-around. - */ - if (ftape_function_nest_level < 0) { - printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level); - ftape_function_nest_level = 0; - } - if (ftape_function_nest_level < sizeof(spacing)) { - indent = (spacing + - sizeof(spacing) - 1 - - ftape_function_nest_level); - } else { - indent = spacing; - } - printk(KERN_INFO "[%03d]%s%s (%s) - ", - (int) trace_id++, indent, file, function); -} diff --git a/drivers/char/ftape/lowlevel/ftape-tracing.h b/drivers/char/ftape/lowlevel/ftape-tracing.h deleted file mode 100644 index 2950810c708..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-tracing.h +++ /dev/null @@ -1,179 +0,0 @@ -#ifndef _FTAPE_TRACING_H -#define _FTAPE_TRACING_H - -/* - * Copyright (C) 1994-1996 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-tracing.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:28 $ - * - * This file contains definitions that eases the debugging of the - * QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux. - */ - -#include - -/* - * Be very careful with TRACE_EXIT and TRACE_ABORT. - * - * if (something) TRACE_EXIT error; - * - * will NOT work. Use - * - * if (something) { - * TRACE_EXIT error; - * } - * - * instead. Maybe a bit dangerous, but save lots of lines of code. - */ - -#define LL_X "%d/%d KB" -#define LL(x) (unsigned int)((__u64)(x)>>10), (unsigned int)((x)&1023) - -typedef enum { - ft_t_nil = -1, - ft_t_bug, - ft_t_err, - ft_t_warn, - ft_t_info, - ft_t_noise, - ft_t_flow, - ft_t_fdc_dma, - ft_t_data_flow, - ft_t_any -} ft_trace_t; - -#ifdef CONFIG_FT_NO_TRACE_AT_ALL -/* the compiler will optimize away most TRACE() macros - */ -#define FT_TRACE_TOP_LEVEL ft_t_bug -#define TRACE_FUN(level) do {} while(0) -#define TRACE_EXIT return -#define TRACE(l, m, i...) \ -{ \ - if ((ft_trace_t)(l) == FT_TRACE_TOP_LEVEL) { \ - printk(KERN_INFO"ftape%s(%s):\n" \ - KERN_INFO m".\n" ,__FILE__, __FUNCTION__ , ##i); \ - } \ -} -#define SET_TRACE_LEVEL(l) if ((l) == (l)) do {} while(0) -#define TRACE_LEVEL FT_TRACE_TOP_LEVEL - -#else - -#ifdef CONFIG_FT_NO_TRACE -/* the compiler will optimize away many TRACE() macros - * the ftape_simple_trace_call() function simply increments - * the function nest level. - */ -#define FT_TRACE_TOP_LEVEL ft_t_warn -#define TRACE_FUN(level) ftape_function_nest_level++ -#define TRACE_EXIT ftape_function_nest_level--; return - -#else -#ifdef CONFIG_FT_FULL_DEBUG -#define FT_TRACE_TOP_LEVEL ft_t_any -#else -#define FT_TRACE_TOP_LEVEL ft_t_flow -#endif -#define TRACE_FUN(level) \ - const ft_trace_t _tracing = level; \ - if (ftape_tracing >= (ft_trace_t)(level) && \ - (ft_trace_t)(level) <= FT_TRACE_TOP_LEVEL) \ - ftape_trace_call(__FILE__, __FUNCTION__); \ - ftape_function_nest_level ++; - -#define TRACE_EXIT \ - --ftape_function_nest_level; \ - if (ftape_tracing >= (ft_trace_t)(_tracing) && \ - (ft_trace_t)(_tracing) <= FT_TRACE_TOP_LEVEL) \ - ftape_trace_exit(__FILE__, __FUNCTION__); \ - return - -#endif - -#define TRACE(l, m, i...) \ -{ \ - if (ftape_tracing >= (ft_trace_t)(l) && \ - (ft_trace_t)(l) <= FT_TRACE_TOP_LEVEL) { \ - ftape_trace_log(__FILE__, __FUNCTION__); \ - printk(m".\n" ,##i); \ - } \ -} - -#define SET_TRACE_LEVEL(l) \ -{ \ - if ((ft_trace_t)(l) <= FT_TRACE_TOP_LEVEL) { \ - ftape_tracing = (ft_trace_t)(l); \ - } else { \ - ftape_tracing = FT_TRACE_TOP_LEVEL; \ - } \ -} -#define TRACE_LEVEL \ -((ftape_tracing <= FT_TRACE_TOP_LEVEL) ? ftape_tracing : FT_TRACE_TOP_LEVEL) - - -/* Global variables declared in tracing.c - */ -extern ft_trace_t ftape_tracing; /* sets default level */ -extern int ftape_function_nest_level; - -/* Global functions declared in tracing.c - */ -extern void ftape_trace_call(const char *file, const char *name); -extern void ftape_trace_exit(const char *file, const char *name); -extern void ftape_trace_log (const char *file, const char *name); - -#endif /* !defined(CONFIG_FT_NO_TRACE_AT_ALL) */ - -/* - * Abort with a message. - */ -#define TRACE_ABORT(res, i...) \ -{ \ - TRACE(i); \ - TRACE_EXIT res; \ -} - -/* The following transforms the common "if(result < 0) ... " into a - * one-liner. - */ -#define _TRACE_CATCH(level, fun, action) \ -{ \ - int _res = (fun); \ - if (_res < 0) { \ - do { action /* */ ; } while(0); \ - TRACE_ABORT(_res, level, "%s failed: %d", #fun, _res); \ - } \ -} - -#define TRACE_CATCH(fun, fail) _TRACE_CATCH(ft_t_err, fun, fail) - -/* Abort the current function when signalled. This doesn't belong here, - * but rather into ftape-rw.h (maybe) - */ -#define FT_SIGNAL_EXIT(sig_mask) \ - if (sigtestsetmask(¤t->pending.signal, sig_mask)) { \ - TRACE_ABORT(-EINTR, \ - ft_t_warn, \ - "interrupted by non-blockable signal"); \ - } - -#endif /* _FTAPE_TRACING_H */ diff --git a/drivers/char/ftape/lowlevel/ftape-write.c b/drivers/char/ftape/lowlevel/ftape-write.c deleted file mode 100644 index 45601ec801e..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-write.c +++ /dev/null @@ -1,336 +0,0 @@ -/* - * Copyright (C) 1993-1995 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-write.c,v $ - * $Revision: 1.3.4.1 $ - * $Date: 1997/11/14 18:07:04 $ - * - * This file contains the writing code - * for the QIC-117 floppy-tape driver for Linux. - */ - -#include -#include -#include - -#include -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-ecc.h" -#include "../lowlevel/ftape-bsm.h" -#include "../lowlevel/fdc-isr.h" - -/* Global vars. - */ - -/* Local vars. - */ -static int last_write_failed; - -void ftape_zap_write_buffers(void) -{ - int i; - - for (i = 0; i < ft_nr_buffers; ++i) { - ft_buffer[i]->status = done; - } - ftape_reset_buffer(); -} - -static int copy_and_gen_ecc(void *destination, - const void *source, - const SectorMap bad_sector_map) -{ - int result; - struct memory_segment mseg; - int bads = count_ones(bad_sector_map); - TRACE_FUN(ft_t_any); - - if (bads > 0) { - TRACE(ft_t_noise, "bad sectors in map: %d", bads); - } - if (bads + 3 >= FT_SECTORS_PER_SEGMENT) { - TRACE(ft_t_noise, "empty segment"); - mseg.blocks = 0; /* skip entire segment */ - result = 0; /* nothing written */ - } else { - mseg.blocks = FT_SECTORS_PER_SEGMENT - bads; - mseg.data = destination; - memcpy(mseg.data, source, (mseg.blocks - 3) * FT_SECTOR_SIZE); - result = ftape_ecc_set_segment_parity(&mseg); - if (result < 0) { - TRACE(ft_t_err, "ecc_set_segment_parity failed"); - } else { - result = (mseg.blocks - 3) * FT_SECTOR_SIZE; - } - } - TRACE_EXIT result; -} - - -int ftape_start_writing(const ft_write_mode_t mode) -{ - buffer_struct *head = ftape_get_buffer(ft_queue_head); - int segment_id = head->segment_id; - int result; - buffer_state_enum wanted_state = (mode == FT_WR_DELETE - ? deleting - : writing); - TRACE_FUN(ft_t_flow); - - if ((ft_driver_state != wanted_state) || head->status != waiting) { - TRACE_EXIT 0; - } - ftape_setup_new_segment(head, segment_id, 1); - if (mode == FT_WR_SINGLE) { - /* stop tape instead of pause */ - head->next_segment = 0; - } - ftape_calc_next_cluster(head); /* prepare */ - head->status = ft_driver_state; /* either writing or deleting */ - if (ft_runner_status == idle) { - TRACE(ft_t_noise, - "starting runner for segment %d", segment_id); - TRACE_CATCH(ftape_start_tape(segment_id,head->sector_offset),); - } else { - TRACE(ft_t_noise, "runner not idle, not starting tape"); - } - /* go */ - result = fdc_setup_read_write(head, (mode == FT_WR_DELETE - ? FDC_WRITE_DELETED : FDC_WRITE)); - ftape_set_state(wanted_state); /* should not be necessary */ - TRACE_EXIT result; -} - -/* Wait until all data is actually written to tape. - * - * There is a problem: when the tape runs into logical EOT, then this - * failes. We need to restart the runner in this case. - */ -int ftape_loop_until_writes_done(void) -{ - buffer_struct *head; - TRACE_FUN(ft_t_flow); - - while ((ft_driver_state == writing || ft_driver_state == deleting) && - ftape_get_buffer(ft_queue_head)->status != done) { - /* set the runner status to idle if at lEOT */ - TRACE_CATCH(ftape_handle_logical_eot(), last_write_failed = 1); - /* restart the tape if necessary */ - if (ft_runner_status == idle) { - TRACE(ft_t_noise, "runner is idle, restarting"); - if (ft_driver_state == deleting) { - TRACE_CATCH(ftape_start_writing(FT_WR_DELETE), - last_write_failed = 1); - } else { - TRACE_CATCH(ftape_start_writing(FT_WR_MULTI), - last_write_failed = 1); - } - } - TRACE(ft_t_noise, "tail: %d, head: %d", - ftape_buffer_id(ft_queue_tail), - ftape_buffer_id(ft_queue_head)); - TRACE_CATCH(fdc_interrupt_wait(5 * FT_SECOND), - last_write_failed = 1); - head = ftape_get_buffer(ft_queue_head); - if (head->status == error) { - /* Allow escape from loop when signaled ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - if (head->hard_error_map != 0) { - /* Implement hard write error recovery here - */ - } - /* retry this one */ - head->status = waiting; - if (ft_runner_status == aborting) { - ftape_dumb_stop(); - } - if (ft_runner_status != idle) { - TRACE_ABORT(-EIO, ft_t_err, - "unexpected state: " - "ft_runner_status != idle"); - } - ftape_start_writing(ft_driver_state == deleting - ? FT_WR_MULTI : FT_WR_DELETE); - } - TRACE(ft_t_noise, "looping until writes done"); - } - ftape_set_state(idle); - TRACE_EXIT 0; -} - -/* Write given segment from buffer at address to tape. - */ -static int write_segment(const int segment_id, - const void *address, - const ft_write_mode_t write_mode) -{ - int bytes_written = 0; - buffer_struct *tail; - buffer_state_enum wanted_state = (write_mode == FT_WR_DELETE - ? deleting : writing); - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "segment_id = %d", segment_id); - if (ft_driver_state != wanted_state) { - if (ft_driver_state == deleting || - wanted_state == deleting) { - TRACE_CATCH(ftape_loop_until_writes_done(),); - } - TRACE(ft_t_noise, "calling ftape_abort_operation"); - TRACE_CATCH(ftape_abort_operation(),); - ftape_zap_write_buffers(); - ftape_set_state(wanted_state); - } - /* if all buffers full we'll have to wait... - */ - ftape_wait_segment(wanted_state); - tail = ftape_get_buffer(ft_queue_tail); - switch(tail->status) { - case done: - ft_history.defects += count_ones(tail->hard_error_map); - break; - case waiting: - /* this could happen with multiple EMPTY_SEGMENTs, but - * shouldn't happen any more as we re-start the runner even - * with an empty segment. - */ - bytes_written = -EAGAIN; - break; - case error: - /* setup for a retry - */ - tail->status = waiting; - bytes_written = -EAGAIN; /* force retry */ - if (tail->hard_error_map != 0) { - TRACE(ft_t_warn, - "warning: %d hard error(s) in written segment", - count_ones(tail->hard_error_map)); - TRACE(ft_t_noise, "hard_error_map = 0x%08lx", - (long)tail->hard_error_map); - /* Implement hard write error recovery here - */ - } - break; - default: - TRACE_ABORT(-EIO, ft_t_err, - "wait for empty segment failed, tail status: %d", - tail->status); - } - /* should runner stop ? - */ - if (ft_runner_status == aborting) { - buffer_struct *head = ftape_get_buffer(ft_queue_head); - if (head->status == wanted_state) { - head->status = done; /* ???? */ - } - /* don't call abort_operation(), we don't want to zap - * the dma buffers - */ - TRACE_CATCH(ftape_dumb_stop(),); - } else { - /* If just passed last segment on tape: wait for BOT - * or EOT mark. Sets ft_runner_status to idle if at lEOT - * and successful - */ - TRACE_CATCH(ftape_handle_logical_eot(),); - } - if (tail->status == done) { - /* now at least one buffer is empty, fill it with our - * data. skip bad sectors and generate ecc. - * copy_and_gen_ecc return nr of bytes written, range - * 0..29 Kb inclusive! - * - * Empty segments are handled inside coyp_and_gen_ecc() - */ - if (write_mode != FT_WR_DELETE) { - TRACE_CATCH(bytes_written = copy_and_gen_ecc( - tail->address, address, - ftape_get_bad_sector_entry(segment_id)),); - } - tail->segment_id = segment_id; - tail->status = waiting; - tail = ftape_next_buffer(ft_queue_tail); - } - /* Start tape only if all buffers full or flush mode. - * This will give higher probability of streaming. - */ - if (ft_runner_status != running && - ((tail->status == waiting && - ftape_get_buffer(ft_queue_head) == tail) || - write_mode != FT_WR_ASYNC)) { - TRACE_CATCH(ftape_start_writing(write_mode),); - } - TRACE_EXIT bytes_written; -} - -/* Write as much as fits from buffer to the given segment on tape - * and handle retries. - * Return the number of bytes written (>= 0), or: - * -EIO write failed - * -EINTR interrupted by signal - * -ENOSPC device full - */ -int ftape_write_segment(const int segment_id, - const void *buffer, - const ft_write_mode_t flush) -{ - int retry = 0; - int result; - TRACE_FUN(ft_t_flow); - - ft_history.used |= 2; - if (segment_id >= ft_tracks_per_tape*ft_segments_per_track) { - /* tape full */ - TRACE_ABORT(-ENOSPC, ft_t_err, - "invalid segment id: %d (max %d)", - segment_id, - ft_tracks_per_tape * ft_segments_per_track -1); - } - for (;;) { - if ((result = write_segment(segment_id, buffer, flush)) >= 0) { - if (result == 0) { /* empty segment */ - TRACE(ft_t_noise, - "empty segment, nothing written"); - } - TRACE_EXIT result; - } - if (result == -EAGAIN) { - if (++retry > 100) { /* give up */ - TRACE_ABORT(-EIO, ft_t_err, - "write failed, >100 retries in segment"); - } - TRACE(ft_t_warn, "write error, retry %d (%d)", - retry, - ftape_get_buffer(ft_queue_tail)->segment_id); - } else { - TRACE_ABORT(result, ft_t_err, - "write_segment failed, error: %d", result); - } - /* Allow escape from loop when signaled ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - } -} diff --git a/drivers/char/ftape/lowlevel/ftape-write.h b/drivers/char/ftape/lowlevel/ftape-write.h deleted file mode 100644 index 0e7f898b7af..00000000000 --- a/drivers/char/ftape/lowlevel/ftape-write.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _FTAPE_WRITE_H -#define _FTAPE_WRITE_H - -/* - * Copyright (C) 1994-1995 Bas Laarhoven, - * (C) 1996-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-write.h,v $ - $Author: claus $ - * - $Revision: 1.2 $ - $Date: 1997/10/05 19:18:30 $ - $State: Exp $ - * - * This file contains the definitions for the write functions - * for the QIC-117 floppy-tape driver for Linux. - * - */ - - -/* ftape-write.c defined global functions. - */ -typedef enum { - FT_WR_ASYNC = 0, /* start tape only when all buffers are full */ - FT_WR_MULTI = 1, /* start tape, but don't necessarily stop */ - FT_WR_SINGLE = 2, /* write a single segment and stop afterwards */ - FT_WR_DELETE = 3 /* write deleted data marks */ -} ft_write_mode_t; - -extern int ftape_start_writing(const ft_write_mode_t mode); -extern int ftape_write_segment(const int segment, - const void *address, - const ft_write_mode_t flushing); -extern void ftape_zap_write_buffers(void); -extern int ftape_loop_until_writes_done(void); - -#endif /* _FTAPE_WRITE_H */ - diff --git a/drivers/char/ftape/lowlevel/ftape_syms.c b/drivers/char/ftape/lowlevel/ftape_syms.c deleted file mode 100644 index 8e0dc4a07ca..00000000000 --- a/drivers/char/ftape/lowlevel/ftape_syms.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 1996-1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape_syms.c,v $ - * $Revision: 1.4 $ - * $Date: 1997/10/17 00:03:51 $ - * - * This file contains the symbols that the ftape low level - * part of the QIC-40/80/3010/3020 floppy-tape driver "ftape" - * exports to its high level clients - */ - -#include - -#include -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-init.h" -#include "../lowlevel/fdc-io.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-rw.h" -#include "../lowlevel/ftape-bsm.h" -#include "../lowlevel/ftape-buffer.h" -#include "../lowlevel/ftape-format.h" - -/* bad sector handling from ftape-bsm.c */ -EXPORT_SYMBOL(ftape_get_bad_sector_entry); -EXPORT_SYMBOL(ftape_find_end_of_bsm_list); -/* from ftape-rw.c */ -EXPORT_SYMBOL(ftape_set_state); -/* from ftape-ctl.c */ -EXPORT_SYMBOL(ftape_seek_to_bot); -EXPORT_SYMBOL(ftape_seek_to_eot); -EXPORT_SYMBOL(ftape_abort_operation); -EXPORT_SYMBOL(ftape_get_status); -EXPORT_SYMBOL(ftape_enable); -EXPORT_SYMBOL(ftape_disable); -EXPORT_SYMBOL(ftape_mmap); -EXPORT_SYMBOL(ftape_calibrate_data_rate); -/* from ftape-io.c */ -EXPORT_SYMBOL(ftape_reset_drive); -EXPORT_SYMBOL(ftape_command); -EXPORT_SYMBOL(ftape_parameter); -EXPORT_SYMBOL(ftape_ready_wait); -EXPORT_SYMBOL(ftape_report_operation); -EXPORT_SYMBOL(ftape_report_error); -/* from ftape-read.c */ -EXPORT_SYMBOL(ftape_read_segment_fraction); -EXPORT_SYMBOL(ftape_zap_read_buffers); -EXPORT_SYMBOL(ftape_read_header_segment); -EXPORT_SYMBOL(ftape_decode_header_segment); -/* from ftape-write.c */ -EXPORT_SYMBOL(ftape_write_segment); -EXPORT_SYMBOL(ftape_start_writing); -EXPORT_SYMBOL(ftape_loop_until_writes_done); -/* from ftape-buffer.h */ -EXPORT_SYMBOL(ftape_set_nr_buffers); -/* from ftape-format.h */ -EXPORT_SYMBOL(ftape_format_track); -EXPORT_SYMBOL(ftape_format_status); -EXPORT_SYMBOL(ftape_verify_segment); -/* from tracing.c */ -#ifndef CONFIG_FT_NO_TRACE_AT_ALL -EXPORT_SYMBOL(ftape_tracing); -EXPORT_SYMBOL(ftape_function_nest_level); -EXPORT_SYMBOL(ftape_trace_call); -EXPORT_SYMBOL(ftape_trace_exit); -EXPORT_SYMBOL(ftape_trace_log); -#endif - diff --git a/drivers/char/ftape/zftape/Makefile b/drivers/char/ftape/zftape/Makefile deleted file mode 100644 index 6d91c1f77c0..00000000000 --- a/drivers/char/ftape/zftape/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# -# Copyright (C) 1996, 1997 Claus-Justus Heine. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; see the file COPYING. If not, write to -# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. -# -# $Source: /homes/cvs/ftape-stacked/ftape/zftape/Makefile,v $ -# $Revision: 1.4 $ -# $Date: 1997/10/05 19:18:58 $ -# -# Makefile for the QIC-40/80/3010/3020 zftape interface VFS to -# ftape -# - - -# ZFT_OBSOLETE - enable the MTIOC_ZFTAPE_GETBLKSZ ioctl. You should -# leave this enabled for compatibility with taper. - -obj-$(CONFIG_ZFTAPE) += zftape.o - -zftape-objs := zftape-rw.o zftape-ctl.o zftape-read.o \ - zftape-write.o zftape-vtbl.o zftape-eof.o \ - zftape-init.o zftape-buffers.o zftape_syms.o - -EXTRA_CFLAGS := -DZFT_OBSOLETE diff --git a/drivers/char/ftape/zftape/zftape-buffers.c b/drivers/char/ftape/zftape/zftape-buffers.c deleted file mode 100644 index 7ebce2ec789..00000000000 --- a/drivers/char/ftape/zftape/zftape-buffers.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (C) 1995-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-buffers.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:59 $ - * - * This file contains the dynamic buffer allocation routines - * of zftape - */ - -#include -#include -#include -#include - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -/* global variables - */ - -/* local varibales - */ -static unsigned int used_memory; -static unsigned int peak_memory; - -void zft_memory_stats(void) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Memory usage (vmalloc allocations):\n" - KERN_INFO "total allocated: %d\n" - KERN_INFO "peak allocation: %d", - used_memory, peak_memory); - peak_memory = used_memory; - TRACE_EXIT; -} - -int zft_vcalloc_once(void *new, size_t size) -{ - TRACE_FUN(ft_t_flow); - if (zft_vmalloc_once(new, size) < 0) { - TRACE_EXIT -ENOMEM; - } - memset(*(void **)new, '\0', size); - TRACE_EXIT 0; -} -int zft_vmalloc_once(void *new, size_t size) -{ - TRACE_FUN(ft_t_flow); - - if (*(void **)new != NULL || size == 0) { - TRACE_EXIT 0; - } - if ((*(void **)new = vmalloc(size)) == NULL) { - TRACE_EXIT -ENOMEM; - } - used_memory += size; - if (peak_memory < used_memory) { - peak_memory = used_memory; - } - TRACE_ABORT(0, ft_t_noise, - "allocated buffer @ %p, %zd bytes", *(void **)new, size); -} -int zft_vmalloc_always(void *new, size_t size) -{ - TRACE_FUN(ft_t_flow); - - zft_vfree(new, size); - TRACE_EXIT zft_vmalloc_once(new, size); -} -void zft_vfree(void *old, size_t size) -{ - TRACE_FUN(ft_t_flow); - - if (*(void **)old) { - vfree(*(void **)old); - used_memory -= size; - TRACE(ft_t_noise, "released buffer @ %p, %zd bytes", - *(void **)old, size); - *(void **)old = NULL; - } - TRACE_EXIT; -} - -void *zft_kmalloc(size_t size) -{ - void *new; - - while ((new = kmalloc(size, GFP_KERNEL)) == NULL) { - msleep_interruptible(100); - } - memset(new, 0, size); - used_memory += size; - if (peak_memory < used_memory) { - peak_memory = used_memory; - } - return new; -} - -void zft_kfree(void *old, size_t size) -{ - kfree(old); - used_memory -= size; -} - -/* there are some more buffers that are allocated on demand. - * cleanup_module() calles this function to be sure to have released - * them - */ -void zft_uninit_mem(void) -{ - TRACE_FUN(ft_t_flow); - - zft_vfree(&zft_hseg_buf, FT_SEGMENT_SIZE); - zft_vfree(&zft_deblock_buf, FT_SEGMENT_SIZE); zft_deblock_segment = -1; - zft_free_vtbl(); - if (zft_cmpr_lock(0 /* don't load */) == 0) { - (*zft_cmpr_ops->cleanup)(); - (*zft_cmpr_ops->reset)(); /* unlock it again */ - } - zft_memory_stats(); - TRACE_EXIT; -} diff --git a/drivers/char/ftape/zftape/zftape-buffers.h b/drivers/char/ftape/zftape/zftape-buffers.h deleted file mode 100644 index 798e3128c68..00000000000 --- a/drivers/char/ftape/zftape/zftape-buffers.h +++ /dev/null @@ -1,55 +0,0 @@ -#ifndef _FTAPE_DYNMEM_H -#define _FTAPE_DYNMEM_H - -/* - * Copyright (C) 1995-1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-buffers.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:18:59 $ - * - * memory allocation routines. - * - */ - -/* we do not allocate all of the really large buffer memory before - * someone tries to open the drive. ftape_open() may fail with - * -ENOMEM, but that's better having 200k of vmalloced memory which - * cannot be swapped out. - */ - -extern void zft_memory_stats(void); -extern int zft_vmalloc_once(void *new, size_t size); -extern int zft_vcalloc_once(void *new, size_t size); -extern int zft_vmalloc_always(void *new, size_t size); -extern void zft_vfree(void *old, size_t size); -extern void *zft_kmalloc(size_t size); -extern void zft_kfree(void *old, size_t size); - -/* called by cleanup_module() - */ -extern void zft_uninit_mem(void); - -#endif - - - - - - - diff --git a/drivers/char/ftape/zftape/zftape-ctl.c b/drivers/char/ftape/zftape/zftape-ctl.c deleted file mode 100644 index 22ba0f5d00c..00000000000 --- a/drivers/char/ftape/zftape/zftape-ctl.c +++ /dev/null @@ -1,1417 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-ctl.c,v $ - * $Revision: 1.2.6.2 $ - * $Date: 1997/11/14 18:07:33 $ - * - * This file contains the non-read/write zftape functions - * for the QIC-40/80/3010/3020 floppy-tape driver for Linux. - */ - -#include -#include -#include -#include - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -/* Global vars. - */ -int zft_write_protected; /* this is when cartridge rdonly or O_RDONLY */ -int zft_header_read; -int zft_offline; -unsigned int zft_unit; -int zft_resid; -int zft_mt_compression; - -/* Local vars. - */ -static int going_offline; - -typedef int (mt_fun)(int *argptr); -typedef int (*mt_funp)(int *argptr); -typedef struct -{ - mt_funp function; - unsigned offline : 1; /* op permitted if offline or no_tape */ - unsigned write_protected : 1; /* op permitted if write-protected */ - unsigned not_formatted : 1; /* op permitted if tape not formatted */ - unsigned raw_mode : 1; /* op permitted if zft_mode == 0 */ - unsigned need_idle_state : 1; /* need to call def_idle_state */ - char *name; -} fun_entry; - -static mt_fun mt_dummy, mt_reset, mt_fsr, mt_bsr, mt_rew, mt_offl, mt_nop, - mt_weof, mt_erase, mt_ras2, mt_setblk, mt_setdensity, - mt_seek, mt_tell, mt_reten, mt_eom, mt_fsf, mt_bsf, - mt_fsfm, mt_bsfm, mt_setdrvbuffer, mt_compression; - -static fun_entry mt_funs[]= -{ - {mt_reset , 1, 1, 1, 1, 0, "MT_RESET" }, /* 0 */ - {mt_fsf , 0, 1, 0, 0, 1, "MT_FSF" }, - {mt_bsf , 0, 1, 0, 0, 1, "MT_BSF" }, - {mt_fsr , 0, 1, 0, 1, 1, "MT_FSR" }, - {mt_bsr , 0, 1, 0, 1, 1, "MT_BSR" }, - {mt_weof , 0, 0, 0, 0, 0, "MT_WEOF" }, /* 5 */ - {mt_rew , 0, 1, 1, 1, 0, "MT_REW" }, - {mt_offl , 0, 1, 1, 1, 0, "MT_OFFL" }, - {mt_nop , 1, 1, 1, 1, 0, "MT_NOP" }, - {mt_reten , 0, 1, 1, 1, 0, "MT_RETEN" }, - {mt_bsfm , 0, 1, 0, 0, 1, "MT_BSFM" }, /* 10 */ - {mt_fsfm , 0, 1, 0, 0, 1, "MT_FSFM" }, - {mt_eom , 0, 1, 0, 0, 1, "MT_EOM" }, - {mt_erase , 0, 0, 0, 1, 0, "MT_ERASE" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_RAS1" }, - {mt_ras2 , 0, 0, 0, 1, 0, "MT_RAS2" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_RAS3" }, - {mt_dummy , 1, 1, 1, 1, 0, "UNKNOWN" }, - {mt_dummy , 1, 1, 1, 1, 0, "UNKNOWN" }, - {mt_dummy , 1, 1, 1, 1, 0, "UNKNOWN" }, - {mt_setblk , 1, 1, 1, 1, 1, "MT_SETBLK"}, /* 20 */ - {mt_setdensity , 1, 1, 1, 1, 0, "MT_SETDENSITY"}, - {mt_seek , 0, 1, 0, 1, 1, "MT_SEEK" }, - {mt_dummy , 0, 1, 0, 1, 1, "MT_TELL" }, /* wr-only ?! */ - {mt_setdrvbuffer, 1, 1, 1, 1, 0, "MT_SETDRVBUFFER" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_FSS" }, /* 25 */ - {mt_dummy , 1, 1, 1, 1, 0, "MT_BSS" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_WSM" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_LOCK" }, - {mt_dummy , 1, 1, 1, 1, 0, "MT_UNLOCK"}, - {mt_dummy , 1, 1, 1, 1, 0, "MT_LOAD" }, /* 30 */ - {mt_dummy , 1, 1, 1, 1, 0, "MT_UNLOAD"}, - {mt_compression , 1, 1, 1, 0, 1, "MT_COMPRESSION"}, - {mt_dummy , 1, 1, 1, 1, 0, "MT_SETPART"}, - {mt_dummy , 1, 1, 1, 1, 0, "MT_MKPART"} -}; - -#define NR_MT_CMDS NR_ITEMS(mt_funs) - -void zft_reset_position(zft_position *pos) -{ - TRACE_FUN(ft_t_flow); - - pos->seg_byte_pos = - pos->volume_pos = 0; - if (zft_header_read) { - /* need to keep track of the volume table and - * compression map. We therefor simply - * position at the beginning of the first - * volume. This covers old ftape archives as - * well has various flavours of the - * compression map segments. The worst case is - * that the compression map shows up as a - * additional volume in front of all others. - */ - pos->seg_pos = zft_find_volume(0)->start_seg; - pos->tape_pos = zft_calc_tape_pos(pos->seg_pos); - } else { - pos->tape_pos = 0; - pos->seg_pos = -1; - } - zft_just_before_eof = 0; - zft_deblock_segment = -1; - zft_io_state = zft_idle; - zft_zap_read_buffers(); - zft_prevent_flush(); - /* unlock the compresison module if it is loaded. - * The zero arg means not to try to load the module. - */ - if (zft_cmpr_lock(0) == 0) { - (*zft_cmpr_ops->reset)(); /* unlock */ - } - TRACE_EXIT; -} - -static void zft_init_driver(void) -{ - TRACE_FUN(ft_t_flow); - - zft_resid = - zft_header_read = - zft_old_ftape = - zft_offline = - zft_write_protected = - going_offline = - zft_mt_compression = - zft_header_changed = - zft_volume_table_changed = - zft_written_segments = 0; - zft_blk_sz = CONFIG_ZFT_DFLT_BLK_SZ; - zft_reset_position(&zft_pos); /* does most of the stuff */ - ftape_zap_read_buffers(); - ftape_set_state(idle); - TRACE_EXIT; -} - -int zft_def_idle_state(void) -{ - int result = 0; - TRACE_FUN(ft_t_flow); - - if (!zft_header_read) { - result = zft_read_header_segments(); - } else if ((result = zft_flush_buffers()) >= 0 && zft_qic_mode) { - /* don't move past eof - */ - (void)zft_close_volume(&zft_pos); - } - if (ftape_abort_operation() < 0) { - TRACE(ft_t_warn, "ftape_abort_operation() failed"); - result = -EIO; - } - /* clear remaining read buffers */ - zft_zap_read_buffers(); - zft_io_state = zft_idle; - TRACE_EXIT result; -} - -/***************************************************************************** - * * - * functions for the MTIOCTOP commands * - * * - *****************************************************************************/ - -static int mt_dummy(int *dummy) -{ - TRACE_FUN(ft_t_flow); - - TRACE_EXIT -ENOSYS; -} - -static int mt_reset(int *dummy) -{ - TRACE_FUN(ft_t_flow); - - (void)ftape_seek_to_bot(); - TRACE_CATCH(ftape_reset_drive(), - zft_init_driver(); zft_uninit_mem(); zft_offline = 1); - /* fake a re-open of the device. This will set all flage and - * allocate buffers as appropriate. The new tape condition will - * force the open routine to do anything we need. - */ - TRACE_CATCH(_zft_open(-1 /* fake reopen */, 0 /* dummy */),); - TRACE_EXIT 0; -} - -static int mt_fsf(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = zft_skip_volumes(*arg, &zft_pos); - zft_just_before_eof = 0; - TRACE_EXIT result; -} - -static int mt_bsf(int *arg) -{ - int result = 0; - TRACE_FUN(ft_t_flow); - - if (*arg != 0) { - result = zft_skip_volumes(-*arg + 1, &zft_pos); - } - TRACE_EXIT result; -} - -static int seek_block(__s64 data_offset, - __s64 block_increment, - zft_position *pos) -{ - int result = 0; - __s64 new_block_pos; - __s64 vol_block_count; - const zft_volinfo *volume; - int exceed; - TRACE_FUN(ft_t_flow); - - volume = zft_find_volume(pos->seg_pos); - if (volume->start_seg == 0 || volume->end_seg == 0) { - TRACE_EXIT -EIO; - } - new_block_pos = (zft_div_blksz(data_offset, volume->blk_sz) - + block_increment); - vol_block_count = zft_div_blksz(volume->size, volume->blk_sz); - if (new_block_pos < 0) { - TRACE(ft_t_noise, - "new_block_pos " LL_X " < 0", LL(new_block_pos)); - zft_resid = (int)new_block_pos; - new_block_pos = 0; - exceed = 1; - } else if (new_block_pos > vol_block_count) { - TRACE(ft_t_noise, - "new_block_pos " LL_X " exceeds size of volume " LL_X, - LL(new_block_pos), LL(vol_block_count)); - zft_resid = (int)(vol_block_count - new_block_pos); - new_block_pos = vol_block_count; - exceed = 1; - } else { - exceed = 0; - } - if (zft_use_compression && volume->use_compression) { - TRACE_CATCH(zft_cmpr_lock(1 /* try to load */),); - result = (*zft_cmpr_ops->seek)(new_block_pos, pos, volume, - zft_deblock_buf); - pos->tape_pos = zft_calc_tape_pos(pos->seg_pos); - pos->tape_pos += pos->seg_byte_pos; - } else { - pos->volume_pos = zft_mul_blksz(new_block_pos, volume->blk_sz); - pos->tape_pos = zft_calc_tape_pos(volume->start_seg); - pos->tape_pos += pos->volume_pos; - pos->seg_pos = zft_calc_seg_byte_coord(&pos->seg_byte_pos, - pos->tape_pos); - } - zft_just_before_eof = volume->size == pos->volume_pos; - if (zft_just_before_eof) { - /* why this? because zft_file_no checks agains start - * and end segment of a volume. We do not want to - * advance to the next volume with this function. - */ - TRACE(ft_t_noise, "set zft_just_before_eof"); - zft_position_before_eof(pos, volume); - } - TRACE(ft_t_noise, "\n" - KERN_INFO "new_seg_pos : %d\n" - KERN_INFO "new_tape_pos: " LL_X "\n" - KERN_INFO "vol_size : " LL_X "\n" - KERN_INFO "seg_byte_pos: %d\n" - KERN_INFO "blk_sz : %d", - pos->seg_pos, LL(pos->tape_pos), - LL(volume->size), pos->seg_byte_pos, - volume->blk_sz); - if (!exceed) { - zft_resid = new_block_pos - zft_div_blksz(pos->volume_pos, - volume->blk_sz); - } - if (zft_resid < 0) { - zft_resid = -zft_resid; - } - TRACE_EXIT ((exceed || zft_resid != 0) && result >= 0) ? -EINVAL : result; -} - -static int mt_fsr(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = seek_block(zft_pos.volume_pos, *arg, &zft_pos); - TRACE_EXIT result; -} - -static int mt_bsr(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = seek_block(zft_pos.volume_pos, -*arg, &zft_pos); - TRACE_EXIT result; -} - -static int mt_weof(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - TRACE_CATCH(zft_flush_buffers(),); - result = zft_weof(*arg, &zft_pos); - TRACE_EXIT result; -} - -static int mt_rew(int *dummy) -{ - int result; - TRACE_FUN(ft_t_flow); - - if(zft_header_read) { - (void)zft_def_idle_state(); - } - result = ftape_seek_to_bot(); - zft_reset_position(&zft_pos); - TRACE_EXIT result; -} - -static int mt_offl(int *dummy) -{ - int result; - TRACE_FUN(ft_t_flow); - - going_offline= 1; - result = mt_rew(NULL); - TRACE_EXIT result; -} - -static int mt_nop(int *dummy) -{ - TRACE_FUN(ft_t_flow); - /* should we set tape status? - */ - if (!zft_offline) { /* offline includes no_tape */ - (void)zft_def_idle_state(); - } - TRACE_EXIT 0; -} - -static int mt_reten(int *dummy) -{ - int result; - TRACE_FUN(ft_t_flow); - - if(zft_header_read) { - (void)zft_def_idle_state(); - } - result = ftape_seek_to_eot(); - if (result >= 0) { - result = ftape_seek_to_bot(); - } - TRACE_EXIT(result); -} - -static int fsfbsfm(int arg, zft_position *pos) -{ - const zft_volinfo *vtbl; - __s64 block_pos; - TRACE_FUN(ft_t_flow); - - /* What to do? This should seek to the next file-mark and - * position BEFORE. That is, a next write would just extend - * the current file. Well. Let's just seek to the end of the - * current file, if count == 1. If count > 1, then do a - * "mt_fsf(count - 1)", and then seek to the end of that file. - * If count == 0, do nothing - */ - if (arg == 0) { - TRACE_EXIT 0; - } - zft_just_before_eof = 0; - TRACE_CATCH(zft_skip_volumes(arg < 0 ? arg : arg-1, pos), - if (arg > 0) { - zft_resid ++; - }); - vtbl = zft_find_volume(pos->seg_pos); - block_pos = zft_div_blksz(vtbl->size, vtbl->blk_sz); - (void)seek_block(0, block_pos, pos); - if (pos->volume_pos != vtbl->size) { - zft_just_before_eof = 0; - zft_resid = 1; - /* we didn't managed to go there */ - TRACE_ABORT(-EIO, ft_t_err, - "wanted file position " LL_X ", arrived at " LL_X, - LL(vtbl->size), LL(pos->volume_pos)); - } - zft_just_before_eof = 1; - TRACE_EXIT 0; -} - -static int mt_bsfm(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = fsfbsfm(-*arg, &zft_pos); - TRACE_EXIT result; -} - -static int mt_fsfm(int *arg) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = fsfbsfm(*arg, &zft_pos); - TRACE_EXIT result; -} - -static int mt_eom(int *dummy) -{ - TRACE_FUN(ft_t_flow); - - zft_skip_to_eom(&zft_pos); - TRACE_EXIT 0; -} - -static int mt_erase(int *dummy) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = zft_erase(); - TRACE_EXIT result; -} - -static int mt_ras2(int *dummy) -{ - int result; - TRACE_FUN(ft_t_flow); - - result = -ENOSYS; - TRACE_EXIT result; -} - -/* Sets the new blocksize in BYTES - * - */ -static int mt_setblk(int *new_size) -{ - TRACE_FUN(ft_t_flow); - - if((unsigned int)(*new_size) > ZFT_MAX_BLK_SZ) { - TRACE_ABORT(-EINVAL, ft_t_info, - "desired blk_sz (%d) should be <= %d bytes", - *new_size, ZFT_MAX_BLK_SZ); - } - if ((*new_size & (FT_SECTOR_SIZE-1)) != 0) { - TRACE_ABORT(-EINVAL, ft_t_info, - "desired blk_sz (%d) must be a multiple of %d bytes", - *new_size, FT_SECTOR_SIZE); - } - if (*new_size == 0) { - if (zft_use_compression) { - TRACE_ABORT(-EINVAL, ft_t_info, - "Variable block size not yet " - "supported with compression"); - } - *new_size = 1; - } - zft_blk_sz = *new_size; - TRACE_EXIT 0; -} - -static int mt_setdensity(int *arg) -{ - TRACE_FUN(ft_t_flow); - - SET_TRACE_LEVEL(*arg); - TRACE(TRACE_LEVEL, "tracing set to %d", TRACE_LEVEL); - if ((int)TRACE_LEVEL != *arg) { - TRACE_EXIT -EINVAL; - } - TRACE_EXIT 0; -} - -static int mt_seek(int *new_block_pos) -{ - int result= 0; - TRACE_FUN(ft_t_any); - - result = seek_block(0, (__s64)*new_block_pos, &zft_pos); - TRACE_EXIT result; -} - -/* OK, this is totally different from SCSI, but the worst thing that can - * happen is that there is not enough defragmentated memory that can be - * allocated. Also, there is a hardwired limit of 16 dma buffers in the - * stock ftape module. This shouldn't bring the system down. - * - * NOTE: the argument specifies the total number of dma buffers to use. - * The driver needs at least 3 buffers to function at all. - * - */ -static int mt_setdrvbuffer(int *cnt) -{ - TRACE_FUN(ft_t_flow); - - if (*cnt < 3) { - TRACE_EXIT -EINVAL; - } - TRACE_CATCH(ftape_set_nr_buffers(*cnt),); - TRACE_EXIT 0; -} -/* return the block position from start of volume - */ -static int mt_tell(int *arg) -{ - TRACE_FUN(ft_t_flow); - - *arg = zft_div_blksz(zft_pos.volume_pos, - zft_find_volume(zft_pos.seg_pos)->blk_sz); - TRACE_EXIT 0; -} - -static int mt_compression(int *arg) -{ - TRACE_FUN(ft_t_flow); - - /* Ok. We could also check whether compression is available at - * all by trying to load the compression module. We could - * also check for a block size of 1 byte which is illegal - * with compression. Instead of doing it here we rely on - * zftape_write() to do the proper checks. - */ - if ((unsigned int)*arg > 1) { - TRACE_EXIT -EINVAL; - } - if (*arg != 0 && zft_blk_sz == 1) { /* variable block size */ - TRACE_ABORT(-EINVAL, ft_t_info, - "Compression not yet supported " - "with variable block size"); - } - zft_mt_compression = *arg; - if ((zft_unit & ZFT_ZIP_MODE) == 0) { - zft_use_compression = zft_mt_compression; - } - TRACE_EXIT 0; -} - -/* check whether write access is allowed. Write access is denied when - * + zft_write_protected == 1 -- this accounts for either hard write - * protection of the cartridge or for - * O_RDONLY access mode of the tape device - * + zft_offline == 1 -- this meany that there is either no tape - * or that the MTOFFLINE ioctl has been - * previously issued (`soft eject') - * + ft_formatted == 0 -- this means that the cartridge is not - * formatted - * Then we distinuguish two cases. When zft_qic_mode is TRUE, then we try - * to emulate a `traditional' (aka SCSI like) UN*X tape device. Therefore we - * deny writes when - * + zft_qic_mode ==1 && - * (!zft_tape_at_lbot() && -- tape no at logical BOT - * !(zft_tape_at_eom() || -- tape not at logical EOM (or EOD) - * (zft_tape_at_eom() && - * zft_old_ftape()))) -- we can't add new volume to tapes - * written by old ftape because ftape - * don't use the volume table - * - * when the drive is in true raw mode (aka /dev/rawft0) then we don't - * care about LBOT and EOM conditions. This device is intended for a - * user level program that wants to truly implement the QIC-80 compliance - * at the logical data layout level of the cartridge, i.e. implement all - * that volume table and volume directory stuff etc.< - */ -int zft_check_write_access(zft_position *pos) -{ - TRACE_FUN(ft_t_flow); - - if (zft_offline) { /* offline includes no_tape */ - TRACE_ABORT(-ENXIO, - ft_t_info, "tape is offline or no cartridge"); - } - if (!ft_formatted) { - TRACE_ABORT(-EACCES, ft_t_info, "tape is not formatted"); - } - if (zft_write_protected) { - TRACE_ABORT(-EACCES, ft_t_info, "cartridge write protected"); - } - if (zft_qic_mode) { - /* check BOT condition */ - if (!zft_tape_at_lbot(pos)) { - /* protect cartridges written by old ftape if - * not at BOT because they use the vtbl - * segment for storing data - */ - if (zft_old_ftape) { - TRACE_ABORT(-EACCES, ft_t_warn, - "Cannot write to cartridges written by old ftape when not at BOT"); - } - /* not at BOT, but allow writes at EOD, of course - */ - if (!zft_tape_at_eod(pos)) { - TRACE_ABORT(-EACCES, ft_t_info, - "tape not at BOT and not at EOD"); - } - } - /* fine. Now the tape is either at BOT or at EOD. */ - } - /* or in raw mode in which case we don't care about BOT and EOD */ - TRACE_EXIT 0; -} - -/* OPEN routine called by kernel-interface code - * - * NOTE: this is also called by mt_reset() with dev_minor == -1 - * to fake a reopen after a reset. - */ -int _zft_open(unsigned int dev_minor, unsigned int access_mode) -{ - static unsigned int tape_unit; - static unsigned int file_access_mode; - int result; - TRACE_FUN(ft_t_flow); - - if ((int)dev_minor == -1) { - /* fake reopen */ - zft_unit = tape_unit; - access_mode = file_access_mode; - zft_init_driver(); /* reset all static data to defaults */ - } else { - tape_unit = dev_minor; - file_access_mode = access_mode; - if ((result = ftape_enable(FTAPE_SEL(dev_minor))) < 0) { - TRACE_ABORT(-ENXIO, ft_t_err, - "ftape_enable failed: %d", result); - } - if (ft_new_tape || ft_no_tape || !ft_formatted || - (FTAPE_SEL(zft_unit) != FTAPE_SEL(dev_minor)) || - (zft_unit & ZFT_RAW_MODE) != (dev_minor & ZFT_RAW_MODE)) { - /* reset all static data to defaults, - */ - zft_init_driver(); - } - zft_unit = dev_minor; - } - zft_set_flags(zft_unit); /* decode the minor bits */ - if (zft_blk_sz == 1 && zft_use_compression) { - ftape_disable(); /* resets ft_no_tape */ - TRACE_ABORT(-ENODEV, ft_t_warn, "Variable block size not yet " - "supported with compression"); - } - /* no need for most of the buffers when no tape or not - * formatted. for the read/write operations, it is the - * regardless whether there is no tape, a not-formatted tape - * or the whether the driver is soft offline. - * Nevertheless we allow some ioctls with non-formatted tapes, - * like rewind and reset. - */ - if (ft_no_tape || !ft_formatted) { - zft_uninit_mem(); - } - if (ft_no_tape) { - zft_offline = 1; /* so we need not test two variables */ - } - if ((access_mode == O_WRONLY || access_mode == O_RDWR) && - (ft_write_protected || ft_no_tape)) { - ftape_disable(); /* resets ft_no_tape */ - TRACE_ABORT(ft_no_tape ? -ENXIO : -EROFS, - ft_t_warn, "wrong access mode %s cartridge", - ft_no_tape ? "without a" : "with write protected"); - } - zft_write_protected = (access_mode == O_RDONLY || - ft_write_protected != 0); - if (zft_write_protected) { - TRACE(ft_t_noise, - "read only access mode: %d, " - "drive write protected: %d", - access_mode == O_RDONLY, - ft_write_protected != 0); - } - if (!zft_offline) { - TRACE_CATCH(zft_vmalloc_once(&zft_deblock_buf,FT_SEGMENT_SIZE), - ftape_disable()); - } - /* zft_seg_pos should be greater than the vtbl segpos but not - * if in compatibility mode and only after we read in the - * header segments - * - * might also be a problem if the user makes a backup with a - * *qft* device and rewinds it with a raw device. - */ - if (zft_qic_mode && - !zft_old_ftape && - zft_pos.seg_pos >= 0 && - zft_header_read && - zft_pos.seg_pos <= ft_first_data_segment) { - TRACE(ft_t_noise, "you probably mixed up the zftape devices!"); - zft_reset_position(&zft_pos); - } - TRACE_EXIT 0; -} - -/* RELEASE routine called by kernel-interface code - */ -int _zft_close(void) -{ - int result = 0; - TRACE_FUN(ft_t_flow); - - if (zft_offline) { - /* call the hardware release routine. Puts the drive offline */ - ftape_disable(); - TRACE_EXIT 0; - } - if (!(ft_write_protected || zft_old_ftape)) { - result = zft_flush_buffers(); - TRACE(ft_t_noise, "writing file mark at current position"); - if (zft_qic_mode && zft_close_volume(&zft_pos) == 0) { - zft_move_past_eof(&zft_pos); - } - if ((zft_tape_at_lbot(&zft_pos) || - !(zft_unit & FTAPE_NO_REWIND))) { - if (result >= 0) { - result = zft_update_header_segments(); - } else { - TRACE(ft_t_err, - "Error: unable to update header segments"); - } - } - } - ftape_abort_operation(); - if (!(zft_unit & FTAPE_NO_REWIND)) { - TRACE(ft_t_noise, "rewinding tape"); - if (ftape_seek_to_bot() < 0 && result >= 0) { - result = -EIO; /* keep old value */ - } - zft_reset_position(&zft_pos); - } - zft_zap_read_buffers(); - /* now free up memory as much as possible. We don't destroy - * the deblock buffer if it containes a valid segment. - */ - if (zft_deblock_segment == -1) { - zft_vfree(&zft_deblock_buf, FT_SEGMENT_SIZE); - } - /* high level driver status, forces creation of a new volume - * when calling ftape_write again and not zft_just_before_eof - */ - zft_io_state = zft_idle; - if (going_offline) { - zft_init_driver(); - zft_uninit_mem(); - going_offline = 0; - zft_offline = 1; - } else if (zft_cmpr_lock(0 /* don't load */) == 0) { - (*zft_cmpr_ops->reset)(); /* unlock it again */ - } - zft_memory_stats(); - /* call the hardware release routine. Puts the drive offline */ - ftape_disable(); - TRACE_EXIT result; -} - -/* - * the wrapper function around the wrapper MTIOCTOP ioctl - */ -static int mtioctop(struct mtop *mtop, int arg_size) -{ - int result = 0; - fun_entry *mt_fun_entry; - TRACE_FUN(ft_t_flow); - - if (arg_size != sizeof(struct mtop) || mtop->mt_op >= NR_MT_CMDS) { - TRACE_EXIT -EINVAL; - } - TRACE(ft_t_noise, "calling MTIOCTOP command: %s", - mt_funs[mtop->mt_op].name); - mt_fun_entry= &mt_funs[mtop->mt_op]; - zft_resid = mtop->mt_count; - if (!mt_fun_entry->offline && zft_offline) { - if (ft_no_tape) { - TRACE_ABORT(-ENXIO, ft_t_info, "no tape present"); - } else { - TRACE_ABORT(-ENXIO, ft_t_info, "drive is offline"); - } - } - if (!mt_fun_entry->not_formatted && !ft_formatted) { - TRACE_ABORT(-EACCES, ft_t_info, "tape is not formatted"); - } - if (!mt_fun_entry->write_protected) { - TRACE_CATCH(zft_check_write_access(&zft_pos),); - } - if (mt_fun_entry->need_idle_state && !(zft_offline || !ft_formatted)) { - TRACE_CATCH(zft_def_idle_state(),); - } - if (!zft_qic_mode && !mt_fun_entry->raw_mode) { - TRACE_ABORT(-EACCES, ft_t_info, -"Drive needs to be in QIC-80 compatibility mode for this command"); - } - result = (mt_fun_entry->function)(&mtop->mt_count); - if (zft_tape_at_lbot(&zft_pos)) { - TRACE_CATCH(zft_update_header_segments(),); - } - if (result >= 0) { - zft_resid = 0; - } - TRACE_EXIT result; -} - -/* - * standard MTIOCGET ioctl - */ -static int mtiocget(struct mtget *mtget, int arg_size) -{ - const zft_volinfo *volume; - __s64 max_tape_pos; - TRACE_FUN(ft_t_flow); - - if (arg_size != sizeof(struct mtget)) { - TRACE_ABORT(-EINVAL, ft_t_info, "bad argument size: %d", - arg_size); - } - mtget->mt_type = ft_drive_type.vendor_id + 0x800000; - mtget->mt_dsreg = ft_last_status.space; - mtget->mt_erreg = ft_last_error.space; /* error register */ - mtget->mt_resid = zft_resid; /* residuum of writes, reads and - * MTIOCTOP commands - */ - if (!zft_offline) { /* neither no_tape nor soft offline */ - mtget->mt_gstat = GMT_ONLINE(~0UL); - /* should rather return the status of the cartridge - * than the access mode of the file, therefor use - * ft_write_protected, not zft_write_protected - */ - if (ft_write_protected) { - mtget->mt_gstat |= GMT_WR_PROT(~0UL); - } - if(zft_header_read) { /* this catches non-formatted */ - volume = zft_find_volume(zft_pos.seg_pos); - mtget->mt_fileno = volume->count; - max_tape_pos = zft_capacity - zft_blk_sz; - if (zft_use_compression) { - max_tape_pos -= ZFT_CMPR_OVERHEAD; - } - if (zft_tape_at_eod(&zft_pos)) { - mtget->mt_gstat |= GMT_EOD(~0UL); - } - if (zft_pos.tape_pos > max_tape_pos) { - mtget->mt_gstat |= GMT_EOT(~0UL); - } - mtget->mt_blkno = zft_div_blksz(zft_pos.volume_pos, - volume->blk_sz); - if (zft_just_before_eof) { - mtget->mt_gstat |= GMT_EOF(~0UL); - } - if (zft_tape_at_lbot(&zft_pos)) { - mtget->mt_gstat |= GMT_BOT(~0UL); - } - } else { - mtget->mt_fileno = mtget->mt_blkno = -1; - if (mtget->mt_dsreg & QIC_STATUS_AT_BOT) { - mtget->mt_gstat |= GMT_BOT(~0UL); - } - } - } else { - if (ft_no_tape) { - mtget->mt_gstat = GMT_DR_OPEN(~0UL); - } else { - mtget->mt_gstat = 0UL; - } - mtget->mt_fileno = mtget->mt_blkno = -1; - } - TRACE_EXIT 0; -} - -#ifdef MTIOCRDFTSEG -/* - * Read a floppy tape segment. This is useful for manipulating the - * volume table, and read the old header segment before re-formatting - * the cartridge. - */ -static int mtiocrdftseg(struct mtftseg * mtftseg, int arg_size) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCRDFTSEG"); - if (zft_qic_mode) { - TRACE_ABORT(-EACCES, ft_t_info, - "driver needs to be in raw mode for this ioctl"); - } - if (arg_size != sizeof(struct mtftseg)) { - TRACE_ABORT(-EINVAL, ft_t_info, "bad argument size: %d", - arg_size); - } - if (zft_offline) { - TRACE_EXIT -ENXIO; - } - if (mtftseg->mt_mode != FT_RD_SINGLE && - mtftseg->mt_mode != FT_RD_AHEAD) { - TRACE_ABORT(-EINVAL, ft_t_info, "invalid read mode"); - } - if (!ft_formatted) { - TRACE_EXIT -EACCES; /* -ENXIO ? */ - - } - if (!zft_header_read) { - TRACE_CATCH(zft_def_idle_state(),); - } - if (mtftseg->mt_segno > ft_last_data_segment) { - TRACE_ABORT(-EINVAL, ft_t_info, "segment number is too large"); - } - mtftseg->mt_result = ftape_read_segment(mtftseg->mt_segno, - zft_deblock_buf, - mtftseg->mt_mode); - if (mtftseg->mt_result < 0) { - /* a negativ result is not an ioctl error. if - * the user wants to read damaged tapes, - * it's up to her/him - */ - TRACE_EXIT 0; - } - if (copy_to_user(mtftseg->mt_data, - zft_deblock_buf, - mtftseg->mt_result) != 0) { - TRACE_EXIT -EFAULT; - } - TRACE_EXIT 0; -} -#endif - -#ifdef MTIOCWRFTSEG -/* - * write a floppy tape segment. This version features writing of - * deleted address marks, and gracefully ignores the (software) - * ft_formatted flag to support writing of header segments after - * formatting. - */ -static int mtiocwrftseg(struct mtftseg * mtftseg, int arg_size) -{ - int result; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCWRFTSEG"); - if (zft_write_protected || zft_qic_mode) { - TRACE_EXIT -EACCES; - } - if (arg_size != sizeof(struct mtftseg)) { - TRACE_ABORT(-EINVAL, ft_t_info, "bad argument size: %d", - arg_size); - } - if (zft_offline) { - TRACE_EXIT -ENXIO; - } - if (mtftseg->mt_mode != FT_WR_ASYNC && - mtftseg->mt_mode != FT_WR_MULTI && - mtftseg->mt_mode != FT_WR_SINGLE && - mtftseg->mt_mode != FT_WR_DELETE) { - TRACE_ABORT(-EINVAL, ft_t_info, "invalid write mode"); - } - /* - * We don't check for ft_formatted, because this gives - * only the software status of the driver. - * - * We assume that the user knows what it is - * doing. And rely on the low level stuff to fail - * when the tape isn't formatted. We only make sure - * that The header segment buffer is allocated, - * because it holds the bad sector map. - */ - if (zft_hseg_buf == NULL) { - TRACE_EXIT -ENXIO; - } - if (mtftseg->mt_mode != FT_WR_DELETE) { - if (copy_from_user(zft_deblock_buf, - mtftseg->mt_data, - FT_SEGMENT_SIZE) != 0) { - TRACE_EXIT -EFAULT; - } - } - mtftseg->mt_result = ftape_write_segment(mtftseg->mt_segno, - zft_deblock_buf, - mtftseg->mt_mode); - if (mtftseg->mt_result >= 0 && mtftseg->mt_mode == FT_WR_SINGLE) { - /* - * a negativ result is not an ioctl error. if - * the user wants to write damaged tapes, - * it's up to her/him - */ - if ((result = ftape_loop_until_writes_done()) < 0) { - mtftseg->mt_result = result; - } - } - TRACE_EXIT 0; -} -#endif - -#ifdef MTIOCVOLINFO -/* - * get information about volume positioned at. - */ -static int mtiocvolinfo(struct mtvolinfo *volinfo, int arg_size) -{ - const zft_volinfo *volume; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCVOLINFO"); - if (arg_size != sizeof(struct mtvolinfo)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - if (zft_offline) { - TRACE_EXIT -ENXIO; - } - if (!ft_formatted) { - TRACE_EXIT -EACCES; - } - TRACE_CATCH(zft_def_idle_state(),); - volume = zft_find_volume(zft_pos.seg_pos); - volinfo->mt_volno = volume->count; - volinfo->mt_blksz = volume->blk_sz == 1 ? 0 : volume->blk_sz; - volinfo->mt_size = volume->size >> 10; - volinfo->mt_rawsize = ((zft_calc_tape_pos(volume->end_seg + 1) >> 10) - - (zft_calc_tape_pos(volume->start_seg) >> 10)); - volinfo->mt_cmpr = volume->use_compression; - TRACE_EXIT 0; -} -#endif - -#ifdef ZFT_OBSOLETE -static int mtioc_zftape_getblksz(struct mtblksz *blksz, int arg_size) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "\n" - KERN_INFO "Mag tape ioctl command: MTIOC_ZTAPE_GETBLKSZ\n" - KERN_INFO "This ioctl is here merely for compatibility.\n" - KERN_INFO "Please use MTIOCVOLINFO instead"); - if (arg_size != sizeof(struct mtblksz)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - if (zft_offline) { - TRACE_EXIT -ENXIO; - } - if (!ft_formatted) { - TRACE_EXIT -EACCES; - } - TRACE_CATCH(zft_def_idle_state(),); - blksz->mt_blksz = zft_find_volume(zft_pos.seg_pos)->blk_sz; - TRACE_EXIT 0; -} -#endif - -#ifdef MTIOCGETSIZE -/* - * get the capacity of the tape cartridge. - */ -static int mtiocgetsize(struct mttapesize *size, int arg_size) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOC_ZFTAPE_GETSIZE"); - if (arg_size != sizeof(struct mttapesize)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - if (zft_offline) { - TRACE_EXIT -ENXIO; - } - if (!ft_formatted) { - TRACE_EXIT -EACCES; - } - TRACE_CATCH(zft_def_idle_state(),); - size->mt_capacity = (unsigned int)(zft_capacity>>10); - size->mt_used = (unsigned int)(zft_get_eom_pos()>>10); - TRACE_EXIT 0; -} -#endif - -static int mtiocpos(struct mtpos *mtpos, int arg_size) -{ - int result; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCPOS"); - if (arg_size != sizeof(struct mtpos)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - result = mt_tell((int *)&mtpos->mt_blkno); - TRACE_EXIT result; -} - -#ifdef MTIOCFTFORMAT -/* - * formatting of floppy tape cartridges. This is intended to be used - * together with the MTIOCFTCMD ioctl and the new mmap feature - */ - -/* - * This function uses ftape_decode_header_segment() to inform the low - * level ftape module about the new parameters. - * - * It erases the hseg_buf. The calling process must specify all - * parameters to assure proper operation. - * - * return values: -EINVAL - wrong argument size - * -EINVAL - if ftape_decode_header_segment() failed. - */ -static int set_format_parms(struct ftfmtparms *p, __u8 *hseg_buf) -{ - ft_trace_t old_level = TRACE_LEVEL; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "MTIOCFTFORMAT operation FTFMT_SETPARMS"); - memset(hseg_buf, 0, FT_SEGMENT_SIZE); - PUT4(hseg_buf, FT_SIGNATURE, FT_HSEG_MAGIC); - - /* fill in user specified parameters - */ - hseg_buf[FT_FMT_CODE] = (__u8)p->ft_fmtcode; - PUT2(hseg_buf, FT_SPT, p->ft_spt); - hseg_buf[FT_TPC] = (__u8)p->ft_tpc; - hseg_buf[FT_FHM] = (__u8)p->ft_fhm; - hseg_buf[FT_FTM] = (__u8)p->ft_ftm; - - /* fill in sane defaults to make ftape happy. - */ - hseg_buf[FT_FSM] = (__u8)128; /* 128 is hard wired all over ftape */ - if (p->ft_fmtcode == fmt_big) { - PUT4(hseg_buf, FT_6_HSEG_1, 0); - PUT4(hseg_buf, FT_6_HSEG_2, 1); - PUT4(hseg_buf, FT_6_FRST_SEG, 2); - PUT4(hseg_buf, FT_6_LAST_SEG, p->ft_spt * p->ft_tpc - 1); - } else { - PUT2(hseg_buf, FT_HSEG_1, 0); - PUT2(hseg_buf, FT_HSEG_2, 1); - PUT2(hseg_buf, FT_FRST_SEG, 2); - PUT2(hseg_buf, FT_LAST_SEG, p->ft_spt * p->ft_tpc - 1); - } - - /* Synchronize with the low level module. This is particularly - * needed for unformatted cartridges as the QIC std was previously - * unknown BUT is needed to set data rate and to calculate timeouts. - */ - TRACE_CATCH(ftape_calibrate_data_rate(p->ft_qicstd&QIC_TAPE_STD_MASK), - _res = -EINVAL); - - /* The following will also recalcualte the timeouts for the tape - * length and QIC std we want to format to. - * abort with -EINVAL rather than -EIO - */ - SET_TRACE_LEVEL(ft_t_warn); - TRACE_CATCH(ftape_decode_header_segment(hseg_buf), - SET_TRACE_LEVEL(old_level); _res = -EINVAL); - SET_TRACE_LEVEL(old_level); - TRACE_EXIT 0; -} - -/* - * Return the internal SOFTWARE status of the kernel driver. This does - * NOT query the tape drive about its status. - */ -static int get_format_parms(struct ftfmtparms *p, __u8 *hseg_buffer) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "MTIOCFTFORMAT operation FTFMT_GETPARMS"); - p->ft_qicstd = ft_qic_std; - p->ft_fmtcode = ft_format_code; - p->ft_fhm = hseg_buffer[FT_FHM]; - p->ft_ftm = hseg_buffer[FT_FTM]; - p->ft_spt = ft_segments_per_track; - p->ft_tpc = ft_tracks_per_tape; - TRACE_EXIT 0; -} - -static int mtiocftformat(struct mtftformat *mtftformat, int arg_size) -{ - int result; - union fmt_arg *arg = &mtftformat->fmt_arg; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCFTFORMAT"); - if (zft_offline) { - if (ft_no_tape) { - TRACE_ABORT(-ENXIO, ft_t_info, "no tape present"); - } else { - TRACE_ABORT(-ENXIO, ft_t_info, "drive is offline"); - } - } - if (zft_qic_mode) { - TRACE_ABORT(-EACCES, ft_t_info, - "driver needs to be in raw mode for this ioctl"); - } - if (zft_hseg_buf == NULL) { - TRACE_CATCH(zft_vcalloc_once(&zft_hseg_buf, FT_SEGMENT_SIZE),); - } - zft_header_read = 0; - switch(mtftformat->fmt_op) { - case FTFMT_SET_PARMS: - TRACE_CATCH(set_format_parms(&arg->fmt_parms, zft_hseg_buf),); - TRACE_EXIT 0; - case FTFMT_GET_PARMS: - TRACE_CATCH(get_format_parms(&arg->fmt_parms, zft_hseg_buf),); - TRACE_EXIT 0; - case FTFMT_FORMAT_TRACK: - if ((ft_formatted && zft_check_write_access(&zft_pos) < 0) || - (!ft_formatted && zft_write_protected)) { - TRACE_ABORT(-EACCES, ft_t_info, "Write access denied"); - } - TRACE_CATCH(ftape_format_track(arg->fmt_track.ft_track, - arg->fmt_track.ft_gap3),); - TRACE_EXIT 0; - case FTFMT_STATUS: - TRACE_CATCH(ftape_format_status(&arg->fmt_status.ft_segment),); - TRACE_EXIT 0; - case FTFMT_VERIFY: - TRACE_CATCH(ftape_verify_segment(arg->fmt_verify.ft_segment, - (SectorMap *)&arg->fmt_verify.ft_bsm),); - TRACE_EXIT 0; - default: - TRACE_ABORT(-EINVAL, ft_t_err, "Invalid format operation"); - } - TRACE_EXIT result; -} -#endif - -#ifdef MTIOCFTCMD -/* - * send a QIC-117 command to the drive, with optional timeouts, - * parameter and result bits. This is intended to be used together - * with the formatting ioctl. - */ -static int mtiocftcmd(struct mtftcmd *ftcmd, int arg_size) -{ - int i; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "Mag tape ioctl command: MTIOCFTCMD"); - if (!capable(CAP_SYS_ADMIN)) { - TRACE_ABORT(-EPERM, ft_t_info, - "need CAP_SYS_ADMIN capability to send raw qic-117 commands"); - } - if (zft_qic_mode) { - TRACE_ABORT(-EACCES, ft_t_info, - "driver needs to be in raw mode for this ioctl"); - } - if (arg_size != sizeof(struct mtftcmd)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - if (ftcmd->ft_wait_before) { - TRACE_CATCH(ftape_ready_wait(ftcmd->ft_wait_before, - &ftcmd->ft_status),); - } - if (ftcmd->ft_status & QIC_STATUS_ERROR) - goto ftmtcmd_error; - if (ftcmd->ft_result_bits != 0) { - TRACE_CATCH(ftape_report_operation(&ftcmd->ft_result, - ftcmd->ft_cmd, - ftcmd->ft_result_bits),); - } else { - TRACE_CATCH(ftape_command(ftcmd->ft_cmd),); - if (ftcmd->ft_status & QIC_STATUS_ERROR) - goto ftmtcmd_error; - for (i = 0; i < ftcmd->ft_parm_cnt; i++) { - TRACE_CATCH(ftape_parameter(ftcmd->ft_parms[i]&0x0f),); - if (ftcmd->ft_status & QIC_STATUS_ERROR) - goto ftmtcmd_error; - } - } - if (ftcmd->ft_wait_after != 0) { - TRACE_CATCH(ftape_ready_wait(ftcmd->ft_wait_after, - &ftcmd->ft_status),); - } -ftmtcmd_error: - if (ftcmd->ft_status & QIC_STATUS_ERROR) { - TRACE(ft_t_noise, "error status set"); - TRACE_CATCH(ftape_report_error(&ftcmd->ft_error, - &ftcmd->ft_cmd, 1),); - } - TRACE_EXIT 0; /* this is not an i/o error */ -} -#endif - -/* IOCTL routine called by kernel-interface code - */ -int _zft_ioctl(unsigned int command, void __user * arg) -{ - int result; - union { struct mtop mtop; - struct mtget mtget; - struct mtpos mtpos; -#ifdef MTIOCRDFTSEG - struct mtftseg mtftseg; -#endif -#ifdef MTIOCVOLINFO - struct mtvolinfo mtvolinfo; -#endif -#ifdef MTIOCGETSIZE - struct mttapesize mttapesize; -#endif -#ifdef MTIOCFTFORMAT - struct mtftformat mtftformat; -#endif -#ifdef ZFT_OBSOLETE - struct mtblksz mtblksz; -#endif -#ifdef MTIOCFTCMD - struct mtftcmd mtftcmd; -#endif - } krnl_arg; - int arg_size = _IOC_SIZE(command); - int dir = _IOC_DIR(command); - TRACE_FUN(ft_t_flow); - - /* This check will only catch arguments that are too large ! - */ - if (dir & (_IOC_READ | _IOC_WRITE) && arg_size > sizeof(krnl_arg)) { - TRACE_ABORT(-EINVAL, - ft_t_info, "bad argument size: %d", arg_size); - } - if (dir & _IOC_WRITE) { - if (copy_from_user(&krnl_arg, arg, arg_size) != 0) { - TRACE_EXIT -EFAULT; - } - } - TRACE(ft_t_flow, "called with ioctl command: 0x%08x", command); - switch (command) { - case MTIOCTOP: - result = mtioctop(&krnl_arg.mtop, arg_size); - break; - case MTIOCGET: - result = mtiocget(&krnl_arg.mtget, arg_size); - break; - case MTIOCPOS: - result = mtiocpos(&krnl_arg.mtpos, arg_size); - break; -#ifdef MTIOCVOLINFO - case MTIOCVOLINFO: - result = mtiocvolinfo(&krnl_arg.mtvolinfo, arg_size); - break; -#endif -#ifdef ZFT_OBSOLETE - case MTIOC_ZFTAPE_GETBLKSZ: - result = mtioc_zftape_getblksz(&krnl_arg.mtblksz, arg_size); - break; -#endif -#ifdef MTIOCRDFTSEG - case MTIOCRDFTSEG: /* read a segment via ioctl */ - result = mtiocrdftseg(&krnl_arg.mtftseg, arg_size); - break; -#endif -#ifdef MTIOCWRFTSEG - case MTIOCWRFTSEG: /* write a segment via ioctl */ - result = mtiocwrftseg(&krnl_arg.mtftseg, arg_size); - break; -#endif -#ifdef MTIOCGETSIZE - case MTIOCGETSIZE: - result = mtiocgetsize(&krnl_arg.mttapesize, arg_size); - break; -#endif -#ifdef MTIOCFTFORMAT - case MTIOCFTFORMAT: - result = mtiocftformat(&krnl_arg.mtftformat, arg_size); - break; -#endif -#ifdef MTIOCFTCMD - case MTIOCFTCMD: - result = mtiocftcmd(&krnl_arg.mtftcmd, arg_size); - break; -#endif - default: - result = -EINVAL; - break; - } - if ((result >= 0) && (dir & _IOC_READ)) { - if (copy_to_user(arg, &krnl_arg, arg_size) != 0) { - TRACE_EXIT -EFAULT; - } - } - TRACE_EXIT result; -} diff --git a/drivers/char/ftape/zftape/zftape-ctl.h b/drivers/char/ftape/zftape/zftape-ctl.h deleted file mode 100644 index 8e6f2d7ac74..00000000000 --- a/drivers/char/ftape/zftape/zftape-ctl.h +++ /dev/null @@ -1,58 +0,0 @@ -#ifndef _ZFTAPE_CTL_H -#define _ZFTAPE_CTL_H - -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-ctl.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:02 $ - * - * This file contains the non-standard IOCTL related definitions - * for the QIC-40/80 floppy-tape driver for Linux. - */ - -#include -#include - -#include "../zftape/zftape-rw.h" - -#ifdef CONFIG_ZFTAPE_MODULE -#define ftape_status (*zft_status) -#endif - -extern int zft_offline; -extern int zft_mt_compression; -extern int zft_write_protected; -extern int zft_header_read; -extern unsigned int zft_unit; -extern int zft_resid; - -extern void zft_reset_position(zft_position *pos); -extern int zft_check_write_access(zft_position *pos); -extern int zft_def_idle_state(void); - -/* hooks for the VFS interface - */ -extern int _zft_open(unsigned int dev_minor, unsigned int access_mode); -extern int _zft_close(void); -extern int _zft_ioctl(unsigned int command, void __user *arg); -#endif - - - diff --git a/drivers/char/ftape/zftape/zftape-eof.c b/drivers/char/ftape/zftape/zftape-eof.c deleted file mode 100644 index dcadcaee9ac..00000000000 --- a/drivers/char/ftape/zftape/zftape-eof.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * I use these routines just to decide when I have to fake a - * volume-table to preserve compatibility to original ftape. - */ -/* - * Copyright (C) 1994-1995 Bas Laarhoven. - * - * Modified for zftape 1996, 1997 Claus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-eof.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:02 $ - * - * This file contains the eof mark handling code - * for the QIC-40/80 floppy-tape driver for Linux. - */ - -#include -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-eof.h" - -/* Global vars. - */ - -/* a copy of the failed sector log from the header segment. - */ -eof_mark_union *zft_eof_map; - -/* number of eof marks (entries in bad sector log) on tape. - */ -int zft_nr_eof_marks = -1; - - -/* Local vars. - */ - -static char linux_tape_label[] = "Linux raw format V"; -enum { - min_fmt_version = 1, max_fmt_version = 2 -}; -static unsigned ftape_fmt_version = 0; - - -/* Ftape (mis)uses the bad sector log to record end-of-file marks. - * Initially (when the tape is erased) all entries in the bad sector - * log are added to the tape's bad sector map. The bad sector log then - * is cleared. - * - * The bad sector log normally contains entries of the form: - * even 16-bit word: segment number of bad sector - * odd 16-bit word: encoded date - * There can be a total of 448 entries (1792 bytes). - * - * My guess is that no program is using this bad sector log (the * - * format seems useless as there is no indication of the bad sector - * itself, only the segment) However, if any program does use the bad - * sector log, the format used by ftape will let the program think - * there are some bad sectors and no harm is done. - * - * The eof mark entries that ftape stores in the bad sector log: even - * 16-bit word: segment number of eof mark odd 16-bit word: sector - * number of eof mark [1..32] - * - * The zft_eof_map as maintained is a sorted list of eof mark entries. - * - * - * The tape name field in the header segments is used to store a linux - * tape identification string and a version number. This way the tape - * can be recognized as a Linux raw format tape when using tools under - * other OS's. - * - * 'Wide' QIC tapes (format code 4) don't have a failed sector list - * anymore. That space is used for the (longer) bad sector map that - * now is a variable length list too. We now store our end-of-file - * marker list after the bad-sector-map on tape. The list is delimited - * by a (__u32) 0 entry. - */ - -int zft_ftape_validate_label(char *label) -{ - static char tmp_label[45]; - int result = 0; - TRACE_FUN(ft_t_any); - - memcpy(tmp_label, label, FT_LABEL_SZ); - tmp_label[FT_LABEL_SZ] = '\0'; - TRACE(ft_t_noise, "tape label = `%s'", tmp_label); - ftape_fmt_version = 0; - if (memcmp(label, linux_tape_label, strlen(linux_tape_label)) == 0) { - int pos = strlen(linux_tape_label); - while (label[pos] >= '0' && label[pos] <= '9') { - ftape_fmt_version *= 10; - ftape_fmt_version = label[ pos++] - '0'; - } - result = (ftape_fmt_version >= min_fmt_version && - ftape_fmt_version <= max_fmt_version); - } - TRACE(ft_t_noise, "format version = %d", ftape_fmt_version); - TRACE_EXIT result; -} - -static __u8 * find_end_of_eof_list(__u8 * ptr, __u8 * limit) -{ - while (ptr + 3 < limit) { - - if (get_unaligned((__u32*)ptr)) { - ptr += sizeof(__u32); - } else { - return ptr; - } - } - return NULL; -} - -void zft_ftape_extract_file_marks(__u8* address) -{ - int i; - TRACE_FUN(ft_t_any); - - zft_eof_map = NULL; - if (ft_format_code == fmt_var || ft_format_code == fmt_big) { - __u8* end; - __u8* start = ftape_find_end_of_bsm_list(address); - - zft_nr_eof_marks = 0; - if (start) { - start += 3; /* skip end of list mark */ - end = find_end_of_eof_list(start, - address + FT_SEGMENT_SIZE); - if (end && end - start <= FT_FSL_SIZE) { - zft_nr_eof_marks = ((end - start) / - sizeof(eof_mark_union)); - zft_eof_map = (eof_mark_union *)start; - } else { - TRACE(ft_t_err, - "EOF Mark List is too long or damaged!"); - } - } else { - TRACE(ft_t_err, - "Bad Sector List is too long or damaged !"); - } - } else { - zft_eof_map = (eof_mark_union *)&address[FT_FSL]; - zft_nr_eof_marks = GET2(address, FT_FSL_CNT); - } - TRACE(ft_t_noise, "number of file marks: %d", zft_nr_eof_marks); - if (ftape_fmt_version == 1) { - TRACE(ft_t_info, "swapping version 1 fields"); - /* version 1 format uses swapped sector and segment - * fields, correct that ! - */ - for (i = 0; i < zft_nr_eof_marks; ++i) { - __u16 tmp = GET2(&zft_eof_map[i].mark.segment,0); - PUT2(&zft_eof_map[i].mark.segment, 0, - GET2(&zft_eof_map[i].mark.date,0)); - PUT2(&zft_eof_map[i].mark.date, 0, tmp); - } - } - for (i = 0; i < zft_nr_eof_marks; ++i) { - TRACE(ft_t_noise, "eof mark: %5d/%2d", - GET2(&zft_eof_map[i].mark.segment, 0), - GET2(&zft_eof_map[i].mark.date,0)); - } - TRACE_EXIT; -} - -void zft_clear_ftape_file_marks(void) -{ - TRACE_FUN(ft_t_flow); - /* Clear failed sector log: remove all tape marks. We - * don't use old ftape-style EOF-marks. - */ - TRACE(ft_t_info, "Clearing old ftape's eof map"); - memset(zft_eof_map, 0, zft_nr_eof_marks * sizeof(__u32)); - zft_nr_eof_marks = 0; - PUT2(zft_hseg_buf, FT_FSL_CNT, 0); /* nr of eof-marks */ - zft_header_changed = 1; - zft_update_label(zft_hseg_buf); - TRACE_EXIT; -} diff --git a/drivers/char/ftape/zftape/zftape-eof.h b/drivers/char/ftape/zftape/zftape-eof.h deleted file mode 100644 index 26568c26c51..00000000000 --- a/drivers/char/ftape/zftape/zftape-eof.h +++ /dev/null @@ -1,52 +0,0 @@ -#ifndef _ZFTAPE_EOF_H -#define _ZFTAPE_EOF_H - -/* - * Copyright (C) 1994-1995 Bas Laarhoven. - * adaptaed for zftape 1996, 1997 by Claus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-eof.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:03 $ - * - * Definitions and declarations for the end of file markers - * for the QIC-40/80 floppy-tape driver for Linux. - */ - -#include -#include "../zftape/zftape-buffers.h" -/* failed sector log size (only used if format code != 4). - */ - -typedef union { - ft_fsl_entry mark; - __u32 entry; -} eof_mark_union; - -/* ftape-eof.c defined global vars. - */ -extern int zft_nr_eof_marks; -extern eof_mark_union *zft_eof_map; - -/* ftape-eof.c defined global functions. - */ -extern void zft_ftape_extract_file_marks(__u8* address); -extern int zft_ftape_validate_label(char* label); -extern void zft_clear_ftape_file_marks(void); - -#endif diff --git a/drivers/char/ftape/zftape/zftape-init.c b/drivers/char/ftape/zftape/zftape-init.c deleted file mode 100644 index 164a1aa77a2..00000000000 --- a/drivers/char/ftape/zftape/zftape-init.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * This file contains the code that registers the zftape frontend - * to the ftape floppy tape driver for Linux - */ - -#include -#include -#include -#include -#include -#include -#include -#ifdef CONFIG_KMOD -#include -#endif -#include -#include - -#include -#include -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-buffers.h" - -MODULE_AUTHOR("(c) 1996, 1997 Claus-Justus Heine " - "(claus@momo.math.rwth-aachen.de)"); -MODULE_DESCRIPTION(ZFTAPE_VERSION " - " - "VFS interface for the Linux floppy tape driver. " - "Support for QIC-113 compatible volume table " - "and builtin compression (lzrw3 algorithm)"); -MODULE_SUPPORTED_DEVICE("char-major-27"); -MODULE_LICENSE("GPL"); - -/* Global vars. - */ -struct zft_cmpr_ops *zft_cmpr_ops = NULL; -const ftape_info *zft_status; - -/* Local vars. - */ -static unsigned long busy_flag; - -static sigset_t orig_sigmask; - -/* the interface to the kernel vfs layer - */ - -/* Note about llseek(): - * - * st.c and tpqic.c update fp->f_pos but don't implment llseek() and - * initialize the llseek component of the file_ops struct with NULL. - * This means that the user will get the default seek, but the tape - * device will not respect the new position, but happily read from the - * old position. Think a zftape specific llseek() function would be - * better, returning -ESPIPE. TODO. - */ - -static int zft_open (struct inode *ino, struct file *filep); -static int zft_close(struct inode *ino, struct file *filep); -static int zft_ioctl(struct inode *ino, struct file *filep, - unsigned int command, unsigned long arg); -static int zft_mmap(struct file *filep, struct vm_area_struct *vma); -static ssize_t zft_read (struct file *fp, char __user *buff, - size_t req_len, loff_t *ppos); -static ssize_t zft_write(struct file *fp, const char __user *buff, - size_t req_len, loff_t *ppos); - -static const struct file_operations zft_cdev = -{ - .owner = THIS_MODULE, - .read = zft_read, - .write = zft_write, - .ioctl = zft_ioctl, - .mmap = zft_mmap, - .open = zft_open, - .release = zft_close, -}; - -static struct class *zft_class; - -/* Open floppy tape device - */ -static int zft_open(struct inode *ino, struct file *filep) -{ - int result; - TRACE_FUN(ft_t_flow); - - nonseekable_open(ino, filep); - TRACE(ft_t_flow, "called for minor %d", iminor(ino)); - if ( test_and_set_bit(0,&busy_flag) ) { - TRACE_ABORT(-EBUSY, ft_t_warn, "failed: already busy"); - } - if ((iminor(ino) & ~(ZFT_MINOR_OP_MASK | FTAPE_NO_REWIND)) - > - FTAPE_SEL_D) { - clear_bit(0,&busy_flag); - TRACE_ABORT(-ENXIO, ft_t_err, "failed: invalid unit nr"); - } - orig_sigmask = current->blocked; - sigfillset(¤t->blocked); - result = _zft_open(iminor(ino), filep->f_flags & O_ACCMODE); - if (result < 0) { - current->blocked = orig_sigmask; /* restore mask */ - clear_bit(0,&busy_flag); - TRACE_ABORT(result, ft_t_err, "_ftape_open failed"); - } else { - /* Mask signals that will disturb proper operation of the - * program that is calling. - */ - current->blocked = orig_sigmask; - sigaddsetmask (¤t->blocked, _DO_BLOCK); - TRACE_EXIT 0; - } -} - -/* Close floppy tape device - */ -static int zft_close(struct inode *ino, struct file *filep) -{ - int result; - TRACE_FUN(ft_t_flow); - - if ( !test_bit(0,&busy_flag) || iminor(ino) != zft_unit) { - TRACE(ft_t_err, "failed: not busy or wrong unit"); - TRACE_EXIT 0; - } - sigfillset(¤t->blocked); - result = _zft_close(); - if (result < 0) { - TRACE(ft_t_err, "_zft_close failed"); - } - current->blocked = orig_sigmask; /* restore before open state */ - clear_bit(0,&busy_flag); - TRACE_EXIT 0; -} - -/* Ioctl for floppy tape device - */ -static int zft_ioctl(struct inode *ino, struct file *filep, - unsigned int command, unsigned long arg) -{ - int result = -EIO; - sigset_t old_sigmask; - TRACE_FUN(ft_t_flow); - - if ( !test_bit(0,&busy_flag) || iminor(ino) != zft_unit || ft_failure) { - TRACE_ABORT(-EIO, ft_t_err, - "failed: not busy, failure or wrong unit"); - } - old_sigmask = current->blocked; /* save mask */ - sigfillset(¤t->blocked); - /* This will work as long as sizeof(void *) == sizeof(long) */ - result = _zft_ioctl(command, (void __user *) arg); - current->blocked = old_sigmask; /* restore mask */ - TRACE_EXIT result; -} - -/* Ioctl for floppy tape device - */ -static int zft_mmap(struct file *filep, struct vm_area_struct *vma) -{ - int result = -EIO; - sigset_t old_sigmask; - TRACE_FUN(ft_t_flow); - - if ( !test_bit(0,&busy_flag) || - iminor(filep->f_dentry->d_inode) != zft_unit || - ft_failure) - { - TRACE_ABORT(-EIO, ft_t_err, - "failed: not busy, failure or wrong unit"); - } - old_sigmask = current->blocked; /* save mask */ - sigfillset(¤t->blocked); - if ((result = ftape_mmap(vma)) >= 0) { -#ifndef MSYNC_BUG_WAS_FIXED - static struct vm_operations_struct dummy = { NULL, }; - vma->vm_ops = &dummy; -#endif - } - current->blocked = old_sigmask; /* restore mask */ - TRACE_EXIT result; -} - -/* Read from floppy tape device - */ -static ssize_t zft_read(struct file *fp, char __user *buff, - size_t req_len, loff_t *ppos) -{ - int result = -EIO; - sigset_t old_sigmask; - struct inode *ino = fp->f_dentry->d_inode; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_data_flow, "called with count: %ld", (unsigned long)req_len); - if (!test_bit(0,&busy_flag) || iminor(ino) != zft_unit || ft_failure) { - TRACE_ABORT(-EIO, ft_t_err, - "failed: not busy, failure or wrong unit"); - } - old_sigmask = current->blocked; /* save mask */ - sigfillset(¤t->blocked); - result = _zft_read(buff, req_len); - current->blocked = old_sigmask; /* restore mask */ - TRACE(ft_t_data_flow, "return with count: %d", result); - TRACE_EXIT result; -} - -/* Write to tape device - */ -static ssize_t zft_write(struct file *fp, const char __user *buff, - size_t req_len, loff_t *ppos) -{ - int result = -EIO; - sigset_t old_sigmask; - struct inode *ino = fp->f_dentry->d_inode; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_flow, "called with count: %ld", (unsigned long)req_len); - if (!test_bit(0,&busy_flag) || iminor(ino) != zft_unit || ft_failure) { - TRACE_ABORT(-EIO, ft_t_err, - "failed: not busy, failure or wrong unit"); - } - old_sigmask = current->blocked; /* save mask */ - sigfillset(¤t->blocked); - result = _zft_write(buff, req_len); - current->blocked = old_sigmask; /* restore mask */ - TRACE(ft_t_data_flow, "return with count: %d", result); - TRACE_EXIT result; -} - -/* END OF VFS INTERFACE - * - *****************************************************************************/ - -/* driver/module initialization - */ - -/* the compression module has to call this function to hook into the zftape - * code - */ -int zft_cmpr_register(struct zft_cmpr_ops *new_ops) -{ - TRACE_FUN(ft_t_flow); - - if (zft_cmpr_ops != NULL) { - TRACE_EXIT -EBUSY; - } else { - zft_cmpr_ops = new_ops; - TRACE_EXIT 0; - } -} - -/* lock the zft-compressor() module. - */ -int zft_cmpr_lock(int try_to_load) -{ - if (zft_cmpr_ops == NULL) { -#ifdef CONFIG_KMOD - if (try_to_load) { - request_module("zft-compressor"); - if (zft_cmpr_ops == NULL) { - return -ENOSYS; - } - } else { - return -ENOSYS; - } -#else - return -ENOSYS; -#endif - } - (*zft_cmpr_ops->lock)(); - return 0; -} - -#ifdef CONFIG_ZFT_COMPRESSOR -extern int zft_compressor_init(void); -#endif - -/* Called by modules package when installing the driver or by kernel - * during the initialization phase - */ -int __init zft_init(void) -{ - int i; - TRACE_FUN(ft_t_flow); - -#ifdef MODULE - printk(KERN_INFO ZFTAPE_VERSION "\n"); - if (TRACE_LEVEL >= ft_t_info) { - printk( -KERN_INFO -"(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n" -KERN_INFO -"vfs interface for ftape floppy tape driver.\n" -KERN_INFO -"Support for QIC-113 compatible volume table, dynamic memory allocation\n" -KERN_INFO -"and builtin compression (lzrw3 algorithm).\n"); - } -#else /* !MODULE */ - /* print a short no-nonsense boot message */ - printk(KERN_INFO ZFTAPE_VERSION "\n"); -#endif /* MODULE */ - TRACE(ft_t_info, "zft_init @ 0x%p", zft_init); - TRACE(ft_t_info, - "installing zftape VFS interface for ftape driver ..."); - TRACE_CATCH(register_chrdev(QIC117_TAPE_MAJOR, "zft", &zft_cdev),); - - zft_class = class_create(THIS_MODULE, "zft"); - for (i = 0; i < 4; i++) { - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i), NULL, "qft%i", i); - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 4), NULL, "nqft%i", i); - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 16), NULL, "zqft%i", i); - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 20), NULL, "nzqft%i", i); - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 32), NULL, "rawqft%i", i); - class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 36), NULL, "nrawrawqft%i", i); - } - -#ifdef CONFIG_ZFT_COMPRESSOR - (void)zft_compressor_init(); -#endif - zft_status = ftape_get_status(); /* fetch global data of ftape - * hardware driver - */ - TRACE_EXIT 0; -} - - -/* Called by modules package when removing the driver - */ -static void zft_exit(void) -{ - int i; - TRACE_FUN(ft_t_flow); - - if (unregister_chrdev(QIC117_TAPE_MAJOR, "zft") != 0) { - TRACE(ft_t_warn, "failed"); - } else { - TRACE(ft_t_info, "successful"); - } - for (i = 0; i < 4; i++) { - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i)); - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 4)); - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 16)); - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 20)); - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 32)); - class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 36)); - } - class_destroy(zft_class); - zft_uninit_mem(); /* release remaining memory, if any */ - printk(KERN_INFO "zftape successfully unloaded.\n"); - TRACE_EXIT; -} - -module_init(zft_init); -module_exit(zft_exit); diff --git a/drivers/char/ftape/zftape/zftape-init.h b/drivers/char/ftape/zftape/zftape-init.h deleted file mode 100644 index 937e5d48c20..00000000000 --- a/drivers/char/ftape/zftape/zftape-init.h +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef _ZFTAPE_INIT_H -#define _ZFTAPE_INIT_H - -/* - * Copyright (C) 1996, 1997 Claus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-init.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:05 $ - * - * This file contains definitions and macro for the vfs - * interface defined by zftape - * - */ - -#include - -#include "../lowlevel/ftape-tracing.h" -#include "../lowlevel/ftape-ctl.h" -#include "../lowlevel/ftape-read.h" -#include "../lowlevel/ftape-write.h" -#include "../lowlevel/ftape-bsm.h" -#include "../lowlevel/ftape-io.h" -#include "../lowlevel/ftape-buffer.h" -#include "../lowlevel/ftape-format.h" - -#include "../zftape/zftape-rw.h" - -#ifdef MODULE -#define ftape_status (*zft_status) -#endif - -extern const ftape_info *zft_status; /* needed for zftape-vtbl.h */ - -#include "../zftape/zftape-vtbl.h" - -struct zft_cmpr_ops { - int (*write)(int *write_cnt, - __u8 *dst_buf, const int seg_sz, - const __u8 __user *src_buf, const int req_len, - const zft_position *pos, const zft_volinfo *volume); - int (*read)(int *read_cnt, - __u8 __user *dst_buf, const int req_len, - const __u8 *src_buf, const int seg_sz, - const zft_position *pos, const zft_volinfo *volume); - int (*seek)(unsigned int new_block_pos, - zft_position *pos, const zft_volinfo *volume, - __u8 *buffer); - void (*lock) (void); - void (*reset) (void); - void (*cleanup)(void); -}; - -extern struct zft_cmpr_ops *zft_cmpr_ops; -/* zftape-init.c defined global functions. - */ -extern int zft_cmpr_register(struct zft_cmpr_ops *new_ops); -extern int zft_cmpr_lock(int try_to_load); - -#endif - - diff --git a/drivers/char/ftape/zftape/zftape-read.c b/drivers/char/ftape/zftape/zftape-read.c deleted file mode 100644 index 214bf03dce6..00000000000 --- a/drivers/char/ftape/zftape/zftape-read.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-read.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:06 $ - * - * This file contains the high level reading code - * for the QIC-117 floppy-tape driver for Linux. - */ - -#include -#include - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -/* Global vars. - */ -int zft_just_before_eof; - -/* Local vars. - */ -static int buf_len_rd; - -void zft_zap_read_buffers(void) -{ - buf_len_rd = 0; -} - -int zft_read_header_segments(void) -{ - TRACE_FUN(ft_t_flow); - - zft_header_read = 0; - TRACE_CATCH(zft_vmalloc_once(&zft_hseg_buf, FT_SEGMENT_SIZE),); - TRACE_CATCH(ftape_read_header_segment(zft_hseg_buf),); - TRACE(ft_t_info, "Segments written since first format: %d", - (int)GET4(zft_hseg_buf, FT_SEG_CNT)); - zft_qic113 = (ft_format_code != fmt_normal && - ft_format_code != fmt_1100ft && - ft_format_code != fmt_425ft); - TRACE(ft_t_info, "ft_first_data_segment: %d, ft_last_data_segment: %d", - ft_first_data_segment, ft_last_data_segment); - zft_capacity = zft_get_capacity(); - zft_old_ftape = zft_ftape_validate_label(&zft_hseg_buf[FT_LABEL]); - if (zft_old_ftape) { - TRACE(ft_t_info, -"Found old ftaped tape, emulating eof marks, entering read-only mode"); - zft_ftape_extract_file_marks(zft_hseg_buf); - TRACE_CATCH(zft_fake_volume_headers(zft_eof_map, - zft_nr_eof_marks),); - } else { - /* the specs say that the volume table must be - * initialized with zeroes during formatting, so it - * MUST be readable, i.e. contain vaid ECC - * information. - */ - TRACE_CATCH(ftape_read_segment(ft_first_data_segment, - zft_deblock_buf, - FT_RD_SINGLE),); - TRACE_CATCH(zft_extract_volume_headers(zft_deblock_buf),); - } - zft_header_read = 1; - zft_set_flags(zft_unit); - zft_reset_position(&zft_pos); - TRACE_EXIT 0; -} - -int zft_fetch_segment_fraction(const unsigned int segment, void *buffer, - const ft_read_mode_t read_mode, - const unsigned int start, - const unsigned int size) -{ - int seg_sz; - TRACE_FUN(ft_t_flow); - - if (segment == zft_deblock_segment) { - TRACE(ft_t_data_flow, - "re-using segment %d already in deblock buffer", - segment); - seg_sz = zft_get_seg_sz(segment); - if (start > seg_sz) { - TRACE_ABORT(-EINVAL, ft_t_bug, - "trying to read beyond end of segment:\n" - KERN_INFO "seg_sz : %d\n" - KERN_INFO "start : %d\n" - KERN_INFO "segment: %d", - seg_sz, start, segment); - } - if ((start + size) > seg_sz) { - TRACE_EXIT seg_sz - start; - } - TRACE_EXIT size; - } - seg_sz = ftape_read_segment_fraction(segment, buffer, read_mode, - start, size); - TRACE(ft_t_data_flow, "segment %d, result %d", segment, seg_sz); - if ((int)seg_sz >= 0 && start == 0 && size == FT_SEGMENT_SIZE) { - /* this implicitly assumes that we are always called with - * buffer == zft_deblock_buf - */ - zft_deblock_segment = segment; - } else { - zft_deblock_segment = -1; - } - TRACE_EXIT seg_sz; -} - -/* - * out: - * - * int *read_cnt: the number of bytes we removed from the - * zft_deblock_buf (result) - * - * int *to_do : the remaining size of the read-request. Is changed. - * - * in: - * - * char *buff : buff is the address of the upper part of the user - * buffer, that hasn't been filled with data yet. - * int buf_pos_read: copy of buf_pos_rd - * int buf_len_read: copy of buf_len_rd - * char *zft_deblock_buf: ftape_zft_deblock_buf - * - * returns the amount of data actually copied to the user-buffer - * - * to_do MUST NOT SHRINK except to indicate an EOT. In this case to_do - * has to be set to 0. We cannot return -ENOSPC, because we return the - * amount of data actually * copied to the user-buffer - */ -static int zft_simple_read (int *read_cnt, - __u8 __user *dst_buf, - const int to_do, - const __u8 *src_buf, - const int seg_sz, - const zft_position *pos, - const zft_volinfo *volume) -{ - TRACE_FUN(ft_t_flow); - - if (seg_sz - pos->seg_byte_pos < to_do) { - *read_cnt = seg_sz - pos->seg_byte_pos; - } else { - *read_cnt = to_do; - } - if (copy_to_user(dst_buf, - src_buf + pos->seg_byte_pos, *read_cnt) != 0) { - TRACE_EXIT -EFAULT; - } - TRACE(ft_t_noise, "nr bytes just read: %d", *read_cnt); - TRACE_EXIT *read_cnt; -} - -/* req_len: gets clipped due to EOT of EOF. - * req_clipped: is a flag indicating whether req_len was clipped or not - * volume: contains information on current volume (blk_sz etc.) - */ -static int check_read_access(int *req_len, - const zft_volinfo **volume, - int *req_clipped, - const zft_position *pos) -{ - static __s64 remaining; - static int eod; - TRACE_FUN(ft_t_flow); - - if (zft_io_state != zft_reading) { - if (zft_offline) { /* offline includes no_tape */ - TRACE_ABORT(-ENXIO, ft_t_warn, - "tape is offline or no cartridge"); - } - if (!ft_formatted) { - TRACE_ABORT(-EACCES, - ft_t_warn, "tape is not formatted"); - } - /* now enter defined state, read header segment if not - * already done and flush write buffers - */ - TRACE_CATCH(zft_def_idle_state(),); - zft_io_state = zft_reading; - if (zft_tape_at_eod(pos)) { - eod = 1; - TRACE_EXIT 1; - } - eod = 0; - *volume = zft_find_volume(pos->seg_pos); - /* get the space left until EOF */ - remaining = zft_check_for_eof(*volume, pos); - buf_len_rd = 0; - TRACE(ft_t_noise, "remaining: " LL_X ", vol_no: %d", - LL(remaining), (*volume)->count); - } else if (zft_tape_at_eod(pos)) { - if (++eod > 2) { - TRACE_EXIT -EIO; /* st.c also returns -EIO */ - } else { - TRACE_EXIT 1; - } - } - if ((*req_len % (*volume)->blk_sz) != 0) { - /* this message is informational only. The user gets the - * proper return value - */ - TRACE_ABORT(-EINVAL, ft_t_info, - "req_len %d not a multiple of block size %d", - *req_len, (*volume)->blk_sz); - } - /* As GNU tar doesn't accept partial read counts when the - * multiple volume flag is set, we make sure to return the - * requested amount of data. Except, of course, at the end of - * the tape or file mark. - */ - remaining -= *req_len; - if (remaining <= 0) { - TRACE(ft_t_noise, - "clipped request from %d to %d.", - *req_len, (int)(*req_len + remaining)); - *req_len += remaining; - *req_clipped = 1; - } else { - *req_clipped = 0; - } - TRACE_EXIT 0; -} - -/* this_segs_size: the current segment's size. - * buff: the USER-SPACE buffer provided by the calling function. - * req_len: how much data should be read at most. - * volume: contains information on current volume (blk_sz etc.) - */ -static int empty_deblock_buf(__u8 __user *usr_buf, const int req_len, - const __u8 *src_buf, const int seg_sz, - zft_position *pos, - const zft_volinfo *volume) -{ - int cnt; - int result = 0; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_data_flow, "this_segs_size: %d", seg_sz); - if (zft_use_compression && volume->use_compression) { - TRACE_CATCH(zft_cmpr_lock(1 /* try to load */),); - TRACE_CATCH(result= (*zft_cmpr_ops->read)(&cnt, - usr_buf, req_len, - src_buf, seg_sz, - pos, volume),); - } else { - TRACE_CATCH(result= zft_simple_read (&cnt, - usr_buf, req_len, - src_buf, seg_sz, - pos, volume),); - } - pos->volume_pos += result; - pos->tape_pos += cnt; - pos->seg_byte_pos += cnt; - buf_len_rd -= cnt; /* remaining bytes in buffer */ - TRACE(ft_t_data_flow, "buf_len_rd: %d, cnt: %d", buf_len_rd, cnt); - if(pos->seg_byte_pos >= seg_sz) { - pos->seg_pos++; - pos->seg_byte_pos = 0; - } - TRACE(ft_t_data_flow, "bytes moved out of deblock-buffer: %d", cnt); - TRACE_EXIT result; -} - - -/* note: we store the segment id of the segment that is inside the - * deblock buffer. This spares a lot of ftape_read_segment()s when we - * use small block-sizes. The block-size may be 1kb (SECTOR_SIZE). In - * this case a MTFSR 28 maybe still inside the same segment. - */ -int _zft_read(char __user *buff, int req_len) -{ - int req_clipped; - int result = 0; - int bytes_read = 0; - static unsigned int seg_sz = 0; - static const zft_volinfo *volume = NULL; - TRACE_FUN(ft_t_flow); - - zft_resid = req_len; - result = check_read_access(&req_len, &volume, - &req_clipped, &zft_pos); - switch(result) { - case 0: - break; /* nothing special */ - case 1: - TRACE(ft_t_noise, "EOD reached"); - TRACE_EXIT 0; /* EOD */ - default: - TRACE_ABORT(result, ft_t_noise, - "check_read_access() failed with result %d", - result); - TRACE_EXIT result; - } - while (req_len > 0) { - /* Allow escape from this loop on signal ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - /* buf_len_rd == 0 means that we need to read a new - * segment. - */ - if (buf_len_rd == 0) { - while((result = zft_fetch_segment(zft_pos.seg_pos, - zft_deblock_buf, - FT_RD_AHEAD)) == 0) { - zft_pos.seg_pos ++; - zft_pos.seg_byte_pos = 0; - } - if (result < 0) { - zft_resid -= bytes_read; - TRACE_ABORT(result, ft_t_noise, - "zft_fetch_segment(): %d", - result); - } - seg_sz = result; - buf_len_rd = seg_sz - zft_pos.seg_byte_pos; - } - TRACE_CATCH(result = empty_deblock_buf(buff, - req_len, - zft_deblock_buf, - seg_sz, - &zft_pos, - volume), - zft_resid -= bytes_read); - TRACE(ft_t_data_flow, "bytes just read: %d", result); - bytes_read += result; /* what we got so far */ - buff += result; /* index in user-buffer */ - req_len -= result; /* what's left from req_len */ - } /* while (req_len > 0) */ - if (req_clipped) { - TRACE(ft_t_data_flow, - "maybe partial count because of eof mark"); - if (zft_just_before_eof && bytes_read == 0) { - /* req_len was > 0, but user didn't get - * anything the user has read in the eof-mark - */ - zft_move_past_eof(&zft_pos); - ftape_abort_operation(); - } else { - /* don't skip to the next file before the user - * tried to read a second time past EOF Just - * mark that we are at EOF and maybe decrement - * zft_seg_pos to stay in the same volume; - */ - zft_just_before_eof = 1; - zft_position_before_eof(&zft_pos, volume); - TRACE(ft_t_noise, "just before eof"); - } - } - zft_resid -= result; /* for MTSTATUS */ - TRACE_EXIT bytes_read; -} diff --git a/drivers/char/ftape/zftape/zftape-read.h b/drivers/char/ftape/zftape/zftape-read.h deleted file mode 100644 index 42941de0c23..00000000000 --- a/drivers/char/ftape/zftape/zftape-read.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _ZFTAPE_READ_H -#define _ZFTAPE_READ_H - -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-read.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:07 $ - * - * This file contains the definitions for the read functions - * for the zftape driver for Linux. - * - */ - -#include "../lowlevel/ftape-read.h" - -/* ftape-read.c defined global vars. - */ -extern int zft_just_before_eof; - -/* ftape-read.c defined global functions. - */ -extern void zft_zap_read_buffers(void); -extern int zft_read_header_segments(void); -extern int zft_fetch_segment_fraction(const unsigned int segment, - void *buffer, - const ft_read_mode_t read_mode, - const unsigned int start, - const unsigned int size); -#define zft_fetch_segment(segment, address, read_mode) \ - zft_fetch_segment_fraction(segment, address, read_mode, \ - 0, FT_SEGMENT_SIZE) -/* hook for the VFS interface - */ -extern int _zft_read(char __user *buff, int req_len); - -#endif /* _ZFTAPE_READ_H */ diff --git a/drivers/char/ftape/zftape/zftape-rw.c b/drivers/char/ftape/zftape/zftape-rw.c deleted file mode 100644 index dab63468688..00000000000 --- a/drivers/char/ftape/zftape/zftape-rw.c +++ /dev/null @@ -1,375 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-rw.c,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:08 $ - * - * This file contains some common code for the r/w code for - * zftape. - */ - -#include -#include - -#include -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -/* Global vars. - */ - -__u8 *zft_deblock_buf; -__u8 *zft_hseg_buf; -int zft_deblock_segment = -1; -zft_status_enum zft_io_state = zft_idle; -int zft_header_changed; -int zft_qic113; /* conform to old specs. and old zftape */ -int zft_use_compression; -zft_position zft_pos = { - -1, /* seg_pos */ - 0, /* seg_byte_pos */ - 0, /* tape_pos */ - 0 /* volume_pos */ -}; -unsigned int zft_blk_sz = CONFIG_ZFT_DFLT_BLK_SZ; -__s64 zft_capacity; - -unsigned int zft_written_segments; -int zft_label_changed; - -/* Local vars. - */ - -unsigned int zft_get_seg_sz(unsigned int segment) -{ - int size; - TRACE_FUN(ft_t_any); - - size = FT_SEGMENT_SIZE - - count_ones(ftape_get_bad_sector_entry(segment))*FT_SECTOR_SIZE; - if (size > 0) { - TRACE_EXIT (unsigned)size; - } else { - TRACE_EXIT 0; - } -} - -/* ftape_set_flags(). Claus-Justus Heine, 1994/1995 - */ -void zft_set_flags(unsigned minor_unit) -{ - TRACE_FUN(ft_t_flow); - - zft_use_compression = zft_qic_mode = 0; - switch (minor_unit & ZFT_MINOR_OP_MASK) { - case (ZFT_Q80_MODE | ZFT_ZIP_MODE): - case ZFT_ZIP_MODE: - zft_use_compression = 1; - case 0: - case ZFT_Q80_MODE: - zft_qic_mode = 1; - if (zft_mt_compression) { /* override the default */ - zft_use_compression = 1; - } - break; - case ZFT_RAW_MODE: - TRACE(ft_t_noise, "switching to raw mode"); - break; - default: - TRACE(ft_t_warn, "Warning:\n" - KERN_INFO "Wrong combination of minor device bits.\n" - KERN_INFO "Switching to raw read-only mode."); - zft_write_protected = 1; - break; - } - TRACE_EXIT; -} - -/* computes the segment and byte offset inside the segment - * corresponding to tape_pos. - * - * tape_pos gives the offset in bytes from the beginning of the - * ft_first_data_segment *seg_byte_pos is the offset in the current - * segment in bytes - * - * Of, if this routine was called often one should cache the last data - * pos it was called with, but actually this is only needed in - * ftape_seek_block(), that is, almost never. - */ -int zft_calc_seg_byte_coord(int *seg_byte_pos, __s64 tape_pos) -{ - int segment; - int seg_sz; - TRACE_FUN(ft_t_flow); - - if (tape_pos == 0) { - *seg_byte_pos = 0; - segment = ft_first_data_segment; - } else { - seg_sz = 0; - - for (segment = ft_first_data_segment; - ((tape_pos > 0) && (segment <= ft_last_data_segment)); - segment++) { - seg_sz = zft_get_seg_sz(segment); - tape_pos -= seg_sz; - } - if(tape_pos >= 0) { - /* the case tape_pos > != 0 means that the - * argument tape_pos lies beyond the EOT. - */ - *seg_byte_pos= 0; - } else { /* tape_pos < 0 */ - segment--; - *seg_byte_pos= tape_pos + seg_sz; - } - } - TRACE_EXIT(segment); -} - -/* ftape_calc_tape_pos(). - * - * computes the offset in bytes from the beginning of the - * ft_first_data_segment inverse to ftape_calc_seg_byte_coord - * - * We should do some caching. But how: - * - * Each time the header segments are read in, this routine is called - * with ft_tracks_per_tape*segments_per_track argumnet. So this should be - * the time to reset the cache. - * - * Also, it might be in the future that the bad sector map gets - * changed. -> reset the cache - */ -static int seg_pos; -static __s64 tape_pos; - -__s64 zft_get_capacity(void) -{ - seg_pos = ft_first_data_segment; - tape_pos = 0; - - while (seg_pos <= ft_last_data_segment) { - tape_pos += zft_get_seg_sz(seg_pos ++); - } - return tape_pos; -} - -__s64 zft_calc_tape_pos(int segment) -{ - int d1, d2, d3; - TRACE_FUN(ft_t_any); - - if (segment > ft_last_data_segment) { - TRACE_EXIT zft_capacity; - } - if (segment < ft_first_data_segment) { - TRACE_EXIT 0; - } - d2 = segment - seg_pos; - if (-d2 > 10) { - d1 = segment - ft_first_data_segment; - if (-d2 > d1) { - tape_pos = 0; - seg_pos = ft_first_data_segment; - d2 = d1; - } - } - if (d2 > 10) { - d3 = ft_last_data_segment - segment; - if (d2 > d3) { - tape_pos = zft_capacity; - seg_pos = ft_last_data_segment + 1; - d2 = -d3; - } - } - if (d2 > 0) { - while (seg_pos < segment) { - tape_pos += zft_get_seg_sz(seg_pos++); - } - } else { - while (seg_pos > segment) { - tape_pos -= zft_get_seg_sz(--seg_pos); - } - } - TRACE(ft_t_noise, "new cached pos: %d", seg_pos); - - TRACE_EXIT tape_pos; -} - -/* copy Z-label string to buffer, keeps track of the correct offset in - * `buffer' - */ -void zft_update_label(__u8 *buffer) -{ - TRACE_FUN(ft_t_flow); - - if (strncmp(&buffer[FT_LABEL], ZFTAPE_LABEL, - sizeof(ZFTAPE_LABEL)-1) != 0) { - TRACE(ft_t_info, "updating label from \"%s\" to \"%s\"", - &buffer[FT_LABEL], ZFTAPE_LABEL); - strcpy(&buffer[FT_LABEL], ZFTAPE_LABEL); - memset(&buffer[FT_LABEL] + sizeof(ZFTAPE_LABEL) - 1, ' ', - FT_LABEL_SZ - sizeof(ZFTAPE_LABEL + 1)); - PUT4(buffer, FT_LABEL_DATE, 0); - zft_label_changed = zft_header_changed = 1; /* changed */ - } - TRACE_EXIT; -} - -int zft_verify_write_segments(unsigned int segment, - __u8 *data, size_t size, - __u8 *buffer) -{ - int result; - __u8 *write_buf; - __u8 *src_buf; - int single; - int seg_pos; - int seg_sz; - int remaining; - ft_write_mode_t write_mode; - TRACE_FUN(ft_t_flow); - - seg_pos = segment; - seg_sz = zft_get_seg_sz(seg_pos); - src_buf = data; - single = size <= seg_sz; - remaining = size; - do { - TRACE(ft_t_noise, "\n" - KERN_INFO "remaining: %d\n" - KERN_INFO "seg_sz : %d\n" - KERN_INFO "segment : %d", - remaining, seg_sz, seg_pos); - if (remaining == seg_sz) { - write_buf = src_buf; - write_mode = single ? FT_WR_SINGLE : FT_WR_MULTI; - remaining = 0; - } else if (remaining > seg_sz) { - write_buf = src_buf; - write_mode = FT_WR_ASYNC; /* don't start tape */ - remaining -= seg_sz; - } else { /* remaining < seg_sz */ - write_buf = buffer; - memcpy(write_buf, src_buf, remaining); - memset(&write_buf[remaining],'\0',seg_sz-remaining); - write_mode = single ? FT_WR_SINGLE : FT_WR_MULTI; - remaining = 0; - } - if ((result = ftape_write_segment(seg_pos, - write_buf, - write_mode)) != seg_sz) { - TRACE(ft_t_err, "Error: " - "Couldn't write segment %d", seg_pos); - TRACE_EXIT result < 0 ? result : -EIO; /* bail out */ - } - zft_written_segments ++; - seg_sz = zft_get_seg_sz(++seg_pos); - src_buf += result; - } while (remaining > 0); - if (ftape_get_status()->fti_state == writing) { - TRACE_CATCH(ftape_loop_until_writes_done(),); - TRACE_CATCH(ftape_abort_operation(),); - zft_prevent_flush(); - } - seg_pos = segment; - src_buf = data; - remaining = size; - do { - TRACE_CATCH(result = ftape_read_segment(seg_pos, buffer, - single ? FT_RD_SINGLE - : FT_RD_AHEAD),); - if (memcmp(src_buf, buffer, - remaining > result ? result : remaining) != 0) { - TRACE_ABORT(-EIO, ft_t_err, - "Failed to verify written segment %d", - seg_pos); - } - remaining -= result; - TRACE(ft_t_noise, "verify successful:\n" - KERN_INFO "segment : %d\n" - KERN_INFO "segsize : %d\n" - KERN_INFO "remaining: %d", - seg_pos, result, remaining); - src_buf += seg_sz; - seg_pos++; - } while (remaining > 0); - TRACE_EXIT size; -} - - -/* zft_erase(). implemented compression-handling - * - * calculate the first data-segment when using/not using compression. - * - * update header-segment and compression-map-segment. - */ -int zft_erase(void) -{ - int result = 0; - TRACE_FUN(ft_t_flow); - - if (!zft_header_read) { - TRACE_CATCH(zft_vmalloc_once((void **)&zft_hseg_buf, - FT_SEGMENT_SIZE),); - /* no need to read the vtbl and compression map */ - TRACE_CATCH(ftape_read_header_segment(zft_hseg_buf),); - if ((zft_old_ftape = - zft_ftape_validate_label(&zft_hseg_buf[FT_LABEL]))) { - zft_ftape_extract_file_marks(zft_hseg_buf); - } - TRACE(ft_t_noise, - "ft_first_data_segment: %d, ft_last_data_segment: %d", - ft_first_data_segment, ft_last_data_segment); - zft_qic113 = (ft_format_code != fmt_normal && - ft_format_code != fmt_1100ft && - ft_format_code != fmt_425ft); - } - if (zft_old_ftape) { - zft_clear_ftape_file_marks(); - zft_old_ftape = 0; /* no longer old ftape */ - } - PUT2(zft_hseg_buf, FT_CMAP_START, 0); - zft_volume_table_changed = 1; - zft_capacity = zft_get_capacity(); - zft_init_vtbl(); - /* the rest must be done in ftape_update_header_segments - */ - zft_header_read = 1; - zft_header_changed = 1; /* force update of timestamp */ - result = zft_update_header_segments(); - - ftape_abort_operation(); - - zft_reset_position(&zft_pos); - zft_set_flags (zft_unit); - TRACE_EXIT result; -} - -unsigned int zft_get_time(void) -{ - unsigned int date = FT_TIME_STAMP(2097, 11, 30, 23, 59, 59); /* fun */ - return date; -} diff --git a/drivers/char/ftape/zftape/zftape-rw.h b/drivers/char/ftape/zftape/zftape-rw.h deleted file mode 100644 index 1ceec22b60b..00000000000 --- a/drivers/char/ftape/zftape/zftape-rw.h +++ /dev/null @@ -1,101 +0,0 @@ -#ifndef _ZFTAPE_RW_H -#define _ZFTAPE_RW_H - -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-rw.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:09 $ - * - * This file contains the definitions for the read and write - * functions for the QIC-117 floppy-tape driver for Linux. - * - */ - -#include "../zftape/zftape-buffers.h" - -#define SEGMENTS_PER_TAPE (ft_segments_per_track * ft_tracks_per_tape) - -/* QIC-113 Rev. G says that `a maximum of 63488 raw bytes may be - * compressed into a single frame'. - * Maybe we should stick to 32kb to make it more `beautiful' - */ -#define ZFT_MAX_BLK_SZ (62*1024) /* bytes */ -#if !defined(CONFIG_ZFT_DFLT_BLK_SZ) -# define CONFIG_ZFT_DFLT_BLK_SZ (10*1024) /* bytes, default of gnu tar */ -#elif CONFIG_ZFT_DFLT_BLK_SZ == 0 -# undef CONFIG_ZFT_DFLT_BLK_SZ -# define CONFIG_ZFT_DFLT_BLK_SZ 1 -#elif (CONFIG_ZFT_DFLT_BLK_SZ % 1024) != 0 -# error CONFIG_ZFT_DFLT_BLK_SZ must be 1 or a multiple of 1024 -#endif -/* The *optional* compression routines need some overhead per tape - * block for their purposes. Instead of asking the actual compression - * implementation how much it needs, we restrict this overhead to be - * maximal of ZFT_CMPT_OVERHEAD size. We need this for EOT - * conditions. The tape is assumed to be logical at EOT when the - * distance from the physical EOT is less than - * one tape block + ZFT_CMPR_OVERHEAD - */ -#define ZFT_CMPR_OVERHEAD 16 /* bytes */ - -typedef enum -{ - zft_idle = 0, - zft_reading, - zft_writing, -} zft_status_enum; - -typedef struct /* all values measured in bytes */ -{ - int seg_pos; /* segment currently positioned at */ - int seg_byte_pos; /* offset in current segment */ - __s64 tape_pos; /* real offset from BOT */ - __s64 volume_pos; /* pos. in uncompressed data stream in - * current volume - */ -} zft_position; - -extern zft_position zft_pos; -extern __u8 *zft_deblock_buf; -extern __u8 *zft_hseg_buf; -extern int zft_deblock_segment; -extern zft_status_enum zft_io_state; -extern int zft_header_changed; -extern int zft_qic113; /* conform to old specs. and old zftape */ -extern int zft_use_compression; -extern unsigned int zft_blk_sz; -extern __s64 zft_capacity; -extern unsigned int zft_written_segments; -extern int zft_label_changed; - -/* zftape-rw.c exported functions - */ -extern unsigned int zft_get_seg_sz(unsigned int segment); -extern void zft_set_flags(unsigned int minor_unit); -extern int zft_calc_seg_byte_coord(int *seg_byte_pos, __s64 tape_pos); -extern __s64 zft_calc_tape_pos(int segment); -extern __s64 zft_get_capacity(void); -extern void zft_update_label(__u8 *buffer); -extern int zft_erase(void); -extern int zft_verify_write_segments(unsigned int segment, - __u8 *data, size_t size, __u8 *buffer); -extern unsigned int zft_get_time(void); -#endif /* _ZFTAPE_RW_H */ - diff --git a/drivers/char/ftape/zftape/zftape-vtbl.c b/drivers/char/ftape/zftape/zftape-vtbl.c deleted file mode 100644 index ad7f8be6340..00000000000 --- a/drivers/char/ftape/zftape/zftape-vtbl.c +++ /dev/null @@ -1,757 +0,0 @@ -/* - * Copyright (c) 1995-1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-vtbl.c,v $ - * $Revision: 1.7.6.1 $ - * $Date: 1997/11/24 13:48:31 $ - * - * This file defines a volume table as defined in various QIC - * standards. - * - * This is a minimal implementation, just allowing ordinary DOS - * :( prgrams to identify the cartridge as used. - */ - -#include -#include -#include - -#include -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -#define ZFT_CMAP_HACK /* leave this defined to hide the compression map */ - -/* - * global variables - */ -int zft_qic_mode = 1; /* use the vtbl */ -int zft_old_ftape; /* prevents old ftaped tapes to be overwritten */ -int zft_volume_table_changed; /* for write_header_segments() */ - -/* - * private variables (only exported for inline functions) - */ -LIST_HEAD(zft_vtbl); - -/* We could also allocate these dynamically when extracting the volume table - * sizeof(zft_volinfo) is about 32 or something close to that - */ -static zft_volinfo tape_vtbl; -static zft_volinfo eot_vtbl; -static zft_volinfo *cur_vtbl; - -static inline void zft_new_vtbl_entry(void) -{ - struct list_head *tmp = &zft_last_vtbl->node; - zft_volinfo *new = zft_kmalloc(sizeof(zft_volinfo)); - - list_add(&new->node, tmp); - new->count = zft_eom_vtbl->count ++; -} - -void zft_free_vtbl(void) -{ - for (;;) { - struct list_head *tmp = zft_vtbl.prev; - zft_volinfo *vtbl; - - if (tmp == &zft_vtbl) - break; - list_del(tmp); - vtbl = list_entry(tmp, zft_volinfo, node); - zft_kfree(vtbl, sizeof(zft_volinfo)); - } - INIT_LIST_HEAD(&zft_vtbl); - cur_vtbl = NULL; -} - -/* initialize vtbl, called by ftape_new_cartridge() - */ -void zft_init_vtbl(void) -{ - zft_volinfo *new; - - zft_free_vtbl(); - - /* Create the two dummy vtbl entries - */ - new = zft_kmalloc(sizeof(zft_volinfo)); - list_add(&new->node, &zft_vtbl); - new = zft_kmalloc(sizeof(zft_volinfo)); - list_add(&new->node, &zft_vtbl); - zft_head_vtbl->end_seg = ft_first_data_segment; - zft_head_vtbl->blk_sz = zft_blk_sz; - zft_head_vtbl->count = -1; - zft_eom_vtbl->start_seg = ft_first_data_segment + 1; - zft_eom_vtbl->end_seg = ft_last_data_segment + 1; - zft_eom_vtbl->blk_sz = zft_blk_sz; - zft_eom_vtbl->count = 0; - - /* Reset the pointer for zft_find_volume() - */ - cur_vtbl = zft_eom_vtbl; - - /* initialize the dummy vtbl entries for zft_qic_mode == 0 - */ - eot_vtbl.start_seg = ft_last_data_segment + 1; - eot_vtbl.end_seg = ft_last_data_segment + 1; - eot_vtbl.blk_sz = zft_blk_sz; - eot_vtbl.count = -1; - tape_vtbl.start_seg = ft_first_data_segment; - tape_vtbl.end_seg = ft_last_data_segment; - tape_vtbl.blk_sz = zft_blk_sz; - tape_vtbl.size = zft_capacity; - tape_vtbl.count = 0; -} - -/* check for a valid VTBL signature. - */ -static int vtbl_signature_valid(__u8 signature[4]) -{ - const char *vtbl_ids[] = VTBL_IDS; /* valid signatures */ - int j; - - for (j = 0; - (j < NR_ITEMS(vtbl_ids)) && (memcmp(signature, vtbl_ids[j], 4) != 0); - j++); - return j < NR_ITEMS(vtbl_ids); -} - -/* We used to store the block-size of the volume in the volume-label, - * using the keyword "blocksize". The blocksize written to the - * volume-label is in bytes. - * - * We use this now only for compatibility with old zftape version. We - * store the blocksize directly as binary number in the vendor - * extension part of the volume entry. - */ -static int check_volume_label(const char *label, int *blk_sz) -{ - int valid_format; - char *blocksize; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "called with \"%s\" / \"%s\"", label, ZFT_VOL_NAME); - if (strncmp(label, ZFT_VOL_NAME, strlen(ZFT_VOL_NAME)) != 0) { - *blk_sz = 1; /* smallest block size that we allow */ - valid_format = 0; - } else { - TRACE(ft_t_noise, "got old style zftape vtbl entry"); - /* get the default blocksize */ - /* use the kernel strstr() */ - blocksize= strstr(label, " blocksize "); - if (blocksize) { - blocksize += strlen(" blocksize "); - for(*blk_sz= 0; - *blocksize >= '0' && *blocksize <= '9'; - blocksize++) { - *blk_sz *= 10; - *blk_sz += *blocksize - '0'; - } - if (*blk_sz > ZFT_MAX_BLK_SZ) { - *blk_sz= 1; - valid_format= 0; - } else { - valid_format = 1; - } - } else { - *blk_sz= 1; - valid_format= 0; - } - } - TRACE_EXIT valid_format; -} - -/* check for a zftape volume - */ -static int check_volume(__u8 *entry, zft_volinfo *volume) -{ - TRACE_FUN(ft_t_flow); - - if(strncmp(&entry[VTBL_EXT+EXT_ZFTAPE_SIG], ZFTAPE_SIG, - strlen(ZFTAPE_SIG)) == 0) { - TRACE(ft_t_noise, "got new style zftape vtbl entry"); - volume->blk_sz = GET2(entry, VTBL_EXT+EXT_ZFTAPE_BLKSZ); - volume->qic113 = entry[VTBL_EXT+EXT_ZFTAPE_QIC113]; - TRACE_EXIT 1; - } else { - TRACE_EXIT check_volume_label(&entry[VTBL_DESC], &volume->blk_sz); - } -} - - -/* create zftape specific vtbl entry, the volume bounds are inserted - * in the calling function, zft_create_volume_headers() - */ -static void create_zft_volume(__u8 *entry, zft_volinfo *vtbl) -{ - TRACE_FUN(ft_t_flow); - - memset(entry, 0, VTBL_SIZE); - memcpy(&entry[VTBL_SIG], VTBL_ID, 4); - sprintf(&entry[VTBL_DESC], ZFT_VOL_NAME" %03d", vtbl->count); - entry[VTBL_FLAGS] = (VTBL_FL_NOT_VERIFIED | VTBL_FL_SEG_SPANNING); - entry[VTBL_M_NO] = 1; /* multi_cartridge_count */ - strcpy(&entry[VTBL_EXT+EXT_ZFTAPE_SIG], ZFTAPE_SIG); - PUT2(entry, VTBL_EXT+EXT_ZFTAPE_BLKSZ, vtbl->blk_sz); - if (zft_qic113) { - PUT8(entry, VTBL_DATA_SIZE, vtbl->size); - entry[VTBL_CMPR] = VTBL_CMPR_UNREG; - if (vtbl->use_compression) { /* use compression: */ - entry[VTBL_CMPR] |= VTBL_CMPR_USED; - } - entry[VTBL_EXT+EXT_ZFTAPE_QIC113] = 1; - } else { - PUT4(entry, VTBL_DATA_SIZE, vtbl->size); - entry[VTBL_K_CMPR] = VTBL_CMPR_UNREG; - if (vtbl->use_compression) { /* use compression: */ - entry[VTBL_K_CMPR] |= VTBL_CMPR_USED; - } - } - if (ft_format_code == fmt_big) { - /* SCSI like vtbl, store the number of used - * segments as 4 byte value - */ - PUT4(entry, VTBL_SCSI_SEGS, vtbl->end_seg-vtbl->start_seg + 1); - } else { - /* normal, QIC-80MC like vtbl - */ - PUT2(entry, VTBL_START, vtbl->start_seg); - PUT2(entry, VTBL_END, vtbl->end_seg); - } - TRACE_EXIT; -} - -/* this one creates the volume headers for each volume. It is assumed - * that buffer already contains the old volume-table, so that vtbl - * entries without the zft_volume flag set can savely be ignored. - */ -static void zft_create_volume_headers(__u8 *buffer) -{ - __u8 *entry; - struct list_head *tmp; - zft_volinfo *vtbl; - TRACE_FUN(ft_t_flow); - -#ifdef ZFT_CMAP_HACK - if((strncmp(&buffer[VTBL_EXT+EXT_ZFTAPE_SIG], ZFTAPE_SIG, - strlen(ZFTAPE_SIG)) == 0) && - buffer[VTBL_EXT+EXT_ZFTAPE_CMAP] != 0) { - TRACE(ft_t_noise, "deleting cmap volume"); - memmove(buffer, buffer + VTBL_SIZE, - FT_SEGMENT_SIZE - VTBL_SIZE); - } -#endif - entry = buffer; - for (tmp = zft_head_vtbl->node.next; - tmp != &zft_eom_vtbl->node; - tmp = tmp->next) { - vtbl = list_entry(tmp, zft_volinfo, node); - /* we now fill in the values only for newly created volumes. - */ - if (vtbl->new_volume) { - create_zft_volume(entry, vtbl); - vtbl->new_volume = 0; /* clear the flag */ - } - - DUMP_VOLINFO(ft_t_noise, &entry[VTBL_DESC], vtbl); - entry += VTBL_SIZE; - } - memset(entry, 0, FT_SEGMENT_SIZE - zft_eom_vtbl->count * VTBL_SIZE); - TRACE_EXIT; -} - -/* write volume table to tape. Calls zft_create_volume_headers() - */ -int zft_update_volume_table(unsigned int segment) -{ - int result = 0; - __u8 *verify_buf = NULL; - TRACE_FUN(ft_t_flow); - - TRACE_CATCH(result = ftape_read_segment(ft_first_data_segment, - zft_deblock_buf, - FT_RD_SINGLE),); - zft_create_volume_headers(zft_deblock_buf); - TRACE(ft_t_noise, "writing volume table segment %d", segment); - if (zft_vmalloc_once(&verify_buf, FT_SEGMENT_SIZE) == 0) { - TRACE_CATCH(zft_verify_write_segments(segment, - zft_deblock_buf, result, - verify_buf), - zft_vfree(&verify_buf, FT_SEGMENT_SIZE)); - zft_vfree(&verify_buf, FT_SEGMENT_SIZE); - } else { - TRACE_CATCH(ftape_write_segment(segment, zft_deblock_buf, - FT_WR_SINGLE),); - } - TRACE_EXIT 0; -} - -/* non zftape volumes are handled in raw mode. Thus we need to - * calculate the raw amount of data contained in those segments. - */ -static void extract_alien_volume(__u8 *entry, zft_volinfo *vtbl) -{ - TRACE_FUN(ft_t_flow); - - vtbl->size = (zft_calc_tape_pos(zft_last_vtbl->end_seg+1) - - zft_calc_tape_pos(zft_last_vtbl->start_seg)); - vtbl->use_compression = 0; - vtbl->qic113 = zft_qic113; - if (vtbl->qic113) { - TRACE(ft_t_noise, - "Fake alien volume's size from " LL_X " to " LL_X, - LL(GET8(entry, VTBL_DATA_SIZE)), LL(vtbl->size)); - } else { - TRACE(ft_t_noise, - "Fake alien volume's size from %d to " LL_X, - (int)GET4(entry, VTBL_DATA_SIZE), LL(vtbl->size)); - } - TRACE_EXIT; -} - - -/* extract an zftape specific volume - */ -static void extract_zft_volume(__u8 *entry, zft_volinfo *vtbl) -{ - TRACE_FUN(ft_t_flow); - - if (vtbl->qic113) { - vtbl->size = GET8(entry, VTBL_DATA_SIZE); - vtbl->use_compression = - (entry[VTBL_CMPR] & VTBL_CMPR_USED) != 0; - } else { - vtbl->size = GET4(entry, VTBL_DATA_SIZE); - if (entry[VTBL_K_CMPR] & VTBL_CMPR_UNREG) { - vtbl->use_compression = - (entry[VTBL_K_CMPR] & VTBL_CMPR_USED) != 0; - } else if (entry[VTBL_CMPR] & VTBL_CMPR_UNREG) { - vtbl->use_compression = - (entry[VTBL_CMPR] & VTBL_CMPR_USED) != 0; - } else { - TRACE(ft_t_warn, "Geeh! There is something wrong:\n" - KERN_INFO "QIC compression (Rev = K): %x\n" - KERN_INFO "QIC compression (Rev > K): %x", - entry[VTBL_K_CMPR], entry[VTBL_CMPR]); - } - } - TRACE_EXIT; -} - -/* extract the volume table from buffer. "buffer" must already contain - * the vtbl-segment - */ -int zft_extract_volume_headers(__u8 *buffer) -{ - __u8 *entry; - TRACE_FUN(ft_t_flow); - - zft_init_vtbl(); - entry = buffer; -#ifdef ZFT_CMAP_HACK - if ((strncmp(&entry[VTBL_EXT+EXT_ZFTAPE_SIG], ZFTAPE_SIG, - strlen(ZFTAPE_SIG)) == 0) && - entry[VTBL_EXT+EXT_ZFTAPE_CMAP] != 0) { - TRACE(ft_t_noise, "ignoring cmap volume"); - entry += VTBL_SIZE; - } -#endif - /* the end of the vtbl is indicated by an invalid signature - */ - while (vtbl_signature_valid(&entry[VTBL_SIG]) && - (entry - buffer) < FT_SEGMENT_SIZE) { - zft_new_vtbl_entry(); - if (ft_format_code == fmt_big) { - /* SCSI like vtbl, stores only the number of - * segments used - */ - unsigned int num_segments= GET4(entry, VTBL_SCSI_SEGS); - zft_last_vtbl->start_seg = zft_eom_vtbl->start_seg; - zft_last_vtbl->end_seg = - zft_last_vtbl->start_seg + num_segments - 1; - } else { - /* `normal', QIC-80 like vtbl - */ - zft_last_vtbl->start_seg = GET2(entry, VTBL_START); - zft_last_vtbl->end_seg = GET2(entry, VTBL_END); - } - zft_eom_vtbl->start_seg = zft_last_vtbl->end_seg + 1; - /* check if we created this volume and get the - * blk_sz - */ - zft_last_vtbl->zft_volume = check_volume(entry, zft_last_vtbl); - if (zft_last_vtbl->zft_volume == 0) { - extract_alien_volume(entry, zft_last_vtbl); - } else { - extract_zft_volume(entry, zft_last_vtbl); - } - DUMP_VOLINFO(ft_t_noise, &entry[VTBL_DESC], zft_last_vtbl); - entry +=VTBL_SIZE; - } -#if 0 -/* - * undefine to test end of tape handling - */ - zft_new_vtbl_entry(); - zft_last_vtbl->start_seg = zft_eom_vtbl->start_seg; - zft_last_vtbl->end_seg = ft_last_data_segment - 10; - zft_last_vtbl->blk_sz = zft_blk_sz; - zft_last_vtbl->zft_volume = 1; - zft_last_vtbl->qic113 = zft_qic113; - zft_last_vtbl->size = (zft_calc_tape_pos(zft_last_vtbl->end_seg+1) - - zft_calc_tape_pos(zft_last_vtbl->start_seg)); -#endif - TRACE_EXIT 0; -} - -/* this functions translates the failed_sector_log, misused as - * EOF-marker list, into a virtual volume table. The table mustn't be - * written to tape, because this would occupy the first data segment, - * which should be the volume table, but is actually the first segment - * that is filled with data (when using standard ftape). We assume, - * that we get a non-empty failed_sector_log. - */ -int zft_fake_volume_headers (eof_mark_union *eof_map, int num_failed_sectors) -{ - unsigned int segment, sector; - int have_eom = 0; - int vol_no; - TRACE_FUN(ft_t_flow); - - if ((num_failed_sectors >= 2) && - (GET2(&eof_map[num_failed_sectors - 1].mark.segment, 0) - == - GET2(&eof_map[num_failed_sectors - 2].mark.segment, 0) + 1) && - (GET2(&eof_map[num_failed_sectors - 1].mark.date, 0) == 1)) { - /* this should be eom. We keep the remainder of the - * tape as another volume. - */ - have_eom = 1; - } - zft_init_vtbl(); - zft_eom_vtbl->start_seg = ft_first_data_segment; - for(vol_no = 0; vol_no < num_failed_sectors - have_eom; vol_no ++) { - zft_new_vtbl_entry(); - - segment = GET2(&eof_map[vol_no].mark.segment, 0); - sector = GET2(&eof_map[vol_no].mark.date, 0); - - zft_last_vtbl->start_seg = zft_eom_vtbl->start_seg; - zft_last_vtbl->end_seg = segment; - zft_eom_vtbl->start_seg = segment + 1; - zft_last_vtbl->blk_sz = 1; - zft_last_vtbl->size = - (zft_calc_tape_pos(zft_last_vtbl->end_seg) - - zft_calc_tape_pos(zft_last_vtbl->start_seg) - + (sector-1) * FT_SECTOR_SIZE); - TRACE(ft_t_noise, - "failed sector log: segment: %d, sector: %d", - segment, sector); - DUMP_VOLINFO(ft_t_noise, "Faked volume", zft_last_vtbl); - } - if (!have_eom) { - zft_new_vtbl_entry(); - zft_last_vtbl->start_seg = zft_eom_vtbl->start_seg; - zft_last_vtbl->end_seg = ft_last_data_segment; - zft_eom_vtbl->start_seg = ft_last_data_segment + 1; - zft_last_vtbl->size = zft_capacity; - zft_last_vtbl->size -= zft_calc_tape_pos(zft_last_vtbl->start_seg); - zft_last_vtbl->blk_sz = 1; - DUMP_VOLINFO(ft_t_noise, "Faked volume",zft_last_vtbl); - } - TRACE_EXIT 0; -} - -/* update the internal volume table - * - * if before start of last volume: erase all following volumes if - * inside a volume: set end of volume to infinity - * - * this function is intended to be called every time _ftape_write() is - * called - * - * return: 0 if no new volume was created, 1 if a new volume was - * created - * - * NOTE: we don't need to check for zft_mode as ftape_write() does - * that already. This function gets never called without accessing - * zftape via the *qft* devices - */ - -int zft_open_volume(zft_position *pos, int blk_sz, int use_compression) -{ - TRACE_FUN(ft_t_flow); - - if (!zft_qic_mode) { - TRACE_EXIT 0; - } - if (zft_tape_at_lbot(pos)) { - zft_init_vtbl(); - if(zft_old_ftape) { - /* clear old ftape's eof marks */ - zft_clear_ftape_file_marks(); - zft_old_ftape = 0; /* no longer old ftape */ - } - zft_reset_position(pos); - } - if (pos->seg_pos != zft_last_vtbl->end_seg + 1) { - TRACE_ABORT(-EIO, ft_t_bug, - "BUG: seg_pos: %d, zft_last_vtbl->end_seg: %d", - pos->seg_pos, zft_last_vtbl->end_seg); - } - TRACE(ft_t_noise, "create new volume"); - if (zft_eom_vtbl->count >= ZFT_MAX_VOLUMES) { - TRACE_ABORT(-ENOSPC, ft_t_err, - "Error: maxmimal number of volumes exhausted " - "(maxmimum is %d)", ZFT_MAX_VOLUMES); - } - zft_new_vtbl_entry(); - pos->volume_pos = pos->seg_byte_pos = 0; - zft_last_vtbl->start_seg = pos->seg_pos; - zft_last_vtbl->end_seg = ft_last_data_segment; /* infinity */ - zft_last_vtbl->blk_sz = blk_sz; - zft_last_vtbl->size = zft_capacity; - zft_last_vtbl->zft_volume = 1; - zft_last_vtbl->use_compression = use_compression; - zft_last_vtbl->qic113 = zft_qic113; - zft_last_vtbl->new_volume = 1; - zft_last_vtbl->open = 1; - zft_volume_table_changed = 1; - zft_eom_vtbl->start_seg = ft_last_data_segment + 1; - TRACE_EXIT 0; -} - -/* perform mtfsf, mtbsf, not allowed without zft_qic_mode - */ -int zft_skip_volumes(int count, zft_position *pos) -{ - const zft_volinfo *vtbl; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "count: %d", count); - - vtbl= zft_find_volume(pos->seg_pos); - while (count > 0 && vtbl != zft_eom_vtbl) { - vtbl = list_entry(vtbl->node.next, zft_volinfo, node); - count --; - } - while (count < 0 && vtbl != zft_first_vtbl) { - vtbl = list_entry(vtbl->node.prev, zft_volinfo, node); - count ++; - } - pos->seg_pos = vtbl->start_seg; - pos->seg_byte_pos = 0; - pos->volume_pos = 0; - pos->tape_pos = zft_calc_tape_pos(pos->seg_pos); - zft_just_before_eof = vtbl->size == 0; - if (zft_cmpr_ops) { - (*zft_cmpr_ops->reset)(); - } - zft_deblock_segment = -1; /* no need to keep cache */ - TRACE(ft_t_noise, "repositioning to:\n" - KERN_INFO "zft_seg_pos : %d\n" - KERN_INFO "zft_seg_byte_pos : %d\n" - KERN_INFO "zft_tape_pos : " LL_X "\n" - KERN_INFO "zft_volume_pos : " LL_X "\n" - KERN_INFO "file number : %d", - pos->seg_pos, pos->seg_byte_pos, - LL(pos->tape_pos), LL(pos->volume_pos), vtbl->count); - zft_resid = count < 0 ? -count : count; - TRACE_EXIT zft_resid ? -EINVAL : 0; -} - -/* the following simply returns the raw data position of the EOM - * marker, MTIOCSIZE ioctl - */ -__s64 zft_get_eom_pos(void) -{ - if (zft_qic_mode) { - return zft_calc_tape_pos(zft_eom_vtbl->start_seg); - } else { - /* there is only one volume in raw mode */ - return zft_capacity; - } -} - -/* skip to eom, used for MTEOM - */ -void zft_skip_to_eom(zft_position *pos) -{ - TRACE_FUN(ft_t_flow); - pos->seg_pos = zft_eom_vtbl->start_seg; - pos->seg_byte_pos = - pos->volume_pos = - zft_just_before_eof = 0; - pos->tape_pos = zft_calc_tape_pos(pos->seg_pos); - TRACE(ft_t_noise, "ftape positioned to segment %d, data pos " LL_X, - pos->seg_pos, LL(pos->tape_pos)); - TRACE_EXIT; -} - -/* write an EOF-marker by setting zft_last_vtbl->end_seg to seg_pos. - * NOTE: this function assumes that zft_last_vtbl points to a valid - * vtbl entry - * - * NOTE: this routine always positions before the EOF marker - */ -int zft_close_volume(zft_position *pos) -{ - TRACE_FUN(ft_t_any); - - if (zft_vtbl_empty || !zft_last_vtbl->open) { /* should not happen */ - TRACE(ft_t_noise, "There are no volumes to finish"); - TRACE_EXIT -EIO; - } - if (pos->seg_byte_pos == 0 && - pos->seg_pos != zft_last_vtbl->start_seg) { - pos->seg_pos --; - pos->seg_byte_pos = zft_get_seg_sz(pos->seg_pos); - } - zft_last_vtbl->end_seg = pos->seg_pos; - zft_last_vtbl->size = pos->volume_pos; - zft_volume_table_changed = 1; - zft_just_before_eof = 1; - zft_eom_vtbl->start_seg = zft_last_vtbl->end_seg + 1; - zft_last_vtbl->open = 0; /* closed */ - TRACE_EXIT 0; -} - -/* write count file-marks at current position. - * - * The tape is positioned after the eof-marker, that is at byte 0 of - * the segment following the eof-marker - * - * this function is only allowed in zft_qic_mode - * - * Only allowed when tape is at BOT or EOD. - */ -int zft_weof(unsigned int count, zft_position *pos) -{ - - TRACE_FUN(ft_t_flow); - - if (!count) { /* write zero EOF marks should be a real no-op */ - TRACE_EXIT 0; - } - zft_volume_table_changed = 1; - if (zft_tape_at_lbot(pos)) { - zft_init_vtbl(); - if(zft_old_ftape) { - /* clear old ftape's eof marks */ - zft_clear_ftape_file_marks(); - zft_old_ftape = 0; /* no longer old ftape */ - } - } - if (zft_last_vtbl->open) { - zft_close_volume(pos); - zft_move_past_eof(pos); - count --; - } - /* now it's easy, just append eof-marks, that is empty - * volumes, to the end of the already recorded media. - */ - while (count > 0 && - pos->seg_pos <= ft_last_data_segment && - zft_eom_vtbl->count < ZFT_MAX_VOLUMES) { - TRACE(ft_t_noise, - "Writing zero sized file at segment %d", pos->seg_pos); - zft_new_vtbl_entry(); - zft_last_vtbl->start_seg = pos->seg_pos; - zft_last_vtbl->end_seg = pos->seg_pos; - zft_last_vtbl->size = 0; - zft_last_vtbl->blk_sz = zft_blk_sz; - zft_last_vtbl->zft_volume = 1; - zft_last_vtbl->use_compression = 0; - pos->tape_pos += zft_get_seg_sz(pos->seg_pos); - zft_eom_vtbl->start_seg = ++ pos->seg_pos; - count --; - } - if (count > 0) { - /* there are two possibilities: end of tape, or the - * maximum number of files is exhausted. - */ - zft_resid = count; - TRACE(ft_t_noise,"Number of marks NOT written: %d", zft_resid); - if (zft_eom_vtbl->count == ZFT_MAX_VOLUMES) { - TRACE_ABORT(-EINVAL, ft_t_warn, - "maximum allowed number of files " - "exhausted: %d", ZFT_MAX_VOLUMES); - } else { - TRACE_ABORT(-ENOSPC, - ft_t_noise, "reached end of tape"); - } - } - TRACE_EXIT 0; -} - -const zft_volinfo *zft_find_volume(unsigned int seg_pos) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_any, "called with seg_pos %d",seg_pos); - if (!zft_qic_mode) { - if (seg_pos > ft_last_data_segment) { - TRACE_EXIT &eot_vtbl; - } - tape_vtbl.blk_sz = zft_blk_sz; - TRACE_EXIT &tape_vtbl; - } - if (seg_pos < zft_first_vtbl->start_seg) { - TRACE_EXIT (cur_vtbl = zft_first_vtbl); - } - while (seg_pos > cur_vtbl->end_seg) { - cur_vtbl = list_entry(cur_vtbl->node.next, zft_volinfo, node); - TRACE(ft_t_noise, "%d - %d", cur_vtbl->start_seg, cur_vtbl->end_seg); - } - while (seg_pos < cur_vtbl->start_seg) { - cur_vtbl = list_entry(cur_vtbl->node.prev, zft_volinfo, node); - TRACE(ft_t_noise, "%d - %d", cur_vtbl->start_seg, cur_vtbl->end_seg); - } - if (seg_pos > cur_vtbl->end_seg || seg_pos < cur_vtbl->start_seg) { - TRACE(ft_t_bug, "This cannot happen"); - } - DUMP_VOLINFO(ft_t_noise, "", cur_vtbl); - TRACE_EXIT cur_vtbl; -} - -/* this function really assumes that we are just before eof - */ -void zft_move_past_eof(zft_position *pos) -{ - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_noise, "old seg. pos: %d", pos->seg_pos); - pos->tape_pos += zft_get_seg_sz(pos->seg_pos++) - pos->seg_byte_pos; - pos->seg_byte_pos = 0; - pos->volume_pos = 0; - if (zft_cmpr_ops) { - (*zft_cmpr_ops->reset)(); - } - zft_just_before_eof = 0; - zft_deblock_segment = -1; /* no need to cache it anymore */ - TRACE(ft_t_noise, "new seg. pos: %d", pos->seg_pos); - TRACE_EXIT; -} diff --git a/drivers/char/ftape/zftape/zftape-vtbl.h b/drivers/char/ftape/zftape/zftape-vtbl.h deleted file mode 100644 index f31d196d175..00000000000 --- a/drivers/char/ftape/zftape/zftape-vtbl.h +++ /dev/null @@ -1,227 +0,0 @@ -#ifndef _ZFTAPE_VTBL_H -#define _ZFTAPE_VTBL_H - -/* - * Copyright (c) 1995-1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-vtbl.h,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/28 14:30:09 $ - * - * This file defines a volume table as defined in the QIC-80 - * development standards. - */ - -#include - -#include "../lowlevel/ftape-tracing.h" - -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-rw.h" - -#define VTBL_SIZE 128 /* bytes */ - -/* The following are offsets in the vtbl. */ -#define VTBL_SIG 0 -#define VTBL_START 4 -#define VTBL_END 6 -#define VTBL_DESC 8 -#define VTBL_DATE 52 -#define VTBL_FLAGS 56 -#define VTBL_FL_VENDOR_SPECIFIC (1<<0) -#define VTBL_FL_MUTLI_CARTRIDGE (1<<1) -#define VTBL_FL_NOT_VERIFIED (1<<2) -#define VTBL_FL_REDIR_INHIBIT (1<<3) -#define VTBL_FL_SEG_SPANNING (1<<4) -#define VTBL_FL_DIRECTORY_LAST (1<<5) -#define VTBL_FL_RESERVED_6 (1<<6) -#define VTBL_FL_RESERVED_7 (1<<7) -#define VTBL_M_NO 57 -#define VTBL_EXT 58 -#define EXT_ZFTAPE_SIG 0 -#define EXT_ZFTAPE_BLKSZ 10 -#define EXT_ZFTAPE_CMAP 12 -#define EXT_ZFTAPE_QIC113 13 -#define VTBL_PWD 84 -#define VTBL_DIR_SIZE 92 -#define VTBL_DATA_SIZE 96 -#define VTBL_OS_VERSION 104 -#define VTBL_SRC_DRIVE 106 -#define VTBL_DEV 122 -#define VTBL_RESERVED_1 123 -#define VTBL_CMPR 124 -#define VTBL_CMPR_UNREG 0x3f -#define VTBL_CMPR_USED 0x80 -#define VTBL_FMT 125 -#define VTBL_RESERVED_2 126 -#define VTBL_RESERVED_3 127 -/* compatibility with pre revision K */ -#define VTBL_K_CMPR 120 - -/* the next is used by QIC-3020 tapes with format code 6 (>2^16 - * segments) It is specified in QIC-113, Rev. G, Section 5 (SCSI - * volume table). The difference is simply, that we only store the - * number of segments used, not the starting segment. - */ -#define VTBL_SCSI_SEGS 4 /* is a 4 byte value */ - -/* one vtbl is 128 bytes, that results in a maximum number of - * 29*1024/128 = 232 volumes. - */ -#define ZFT_MAX_VOLUMES (FT_SEGMENT_SIZE/VTBL_SIZE) -#define VTBL_ID "VTBL" -#define VTBL_IDS { VTBL_ID, "XTBL", "UTID", "EXVT" } /* other valid ids */ -#define ZFT_VOL_NAME "zftape volume" /* volume label used by me */ -#define ZFTAPE_SIG "LINUX ZFT" - -/* global variables - */ -typedef struct zft_internal_vtbl -{ - struct list_head node; - int count; - unsigned int start_seg; /* 32 bits are enough for now */ - unsigned int end_seg; /* 32 bits are enough for now */ - __s64 size; /* uncompressed size */ - unsigned int blk_sz; /* block size for this volume */ - unsigned int zft_volume :1; /* zftape created this volume */ - unsigned int use_compression:1; /* compressed volume */ - unsigned int qic113 :1; /* layout of compressed block - * info and vtbl conforms to - * QIC-113, Rev. G - */ - unsigned int new_volume :1; /* it was created by us, this - * run. this allows the - * fields that aren't really - * used by zftape to be filled - * in by some user level - * program. - */ - unsigned int open :1; /* just in progress of being - * written - */ -} zft_volinfo; - -extern struct list_head zft_vtbl; -#define zft_head_vtbl list_entry(zft_vtbl.next, zft_volinfo, node) -#define zft_eom_vtbl list_entry(zft_vtbl.prev, zft_volinfo, node) -#define zft_last_vtbl list_entry(zft_eom_vtbl->node.prev, zft_volinfo, node) -#define zft_first_vtbl list_entry(zft_head_vtbl->node.next, zft_volinfo, node) -#define zft_vtbl_empty (zft_eom_vtbl->node.prev == &zft_head_vtbl->node) - -#define DUMP_VOLINFO(level, desc, info) \ -{ \ - char tmp[21]; \ - strlcpy(tmp, desc, sizeof(tmp)); \ - TRACE(level, "Volume %d:\n" \ - KERN_INFO "description : %s\n" \ - KERN_INFO "first segment: %d\n" \ - KERN_INFO "last segment: %d\n" \ - KERN_INFO "size : " LL_X "\n" \ - KERN_INFO "block size : %d\n" \ - KERN_INFO "compression : %d\n" \ - KERN_INFO "zftape volume: %d\n" \ - KERN_INFO "QIC-113 conf.: %d", \ - (info)->count, tmp, (info)->start_seg, (info)->end_seg, \ - LL((info)->size), (info)->blk_sz, \ - (info)->use_compression != 0, (info)->zft_volume != 0, \ - (info)->qic113 != 0); \ -} - -extern int zft_qic_mode; -extern int zft_old_ftape; -extern int zft_volume_table_changed; - -/* exported functions */ -extern void zft_init_vtbl (void); -extern void zft_free_vtbl (void); -extern int zft_extract_volume_headers(__u8 *buffer); -extern int zft_update_volume_table (unsigned int segment); -extern int zft_open_volume (zft_position *pos, - int blk_sz, int use_compression); -extern int zft_close_volume (zft_position *pos); -extern const zft_volinfo *zft_find_volume(unsigned int seg_pos); -extern int zft_skip_volumes (int count, zft_position *pos); -extern __s64 zft_get_eom_pos (void); -extern void zft_skip_to_eom (zft_position *pos); -extern int zft_fake_volume_headers (eof_mark_union *eof_map, - int num_failed_sectors); -extern int zft_weof (unsigned int count, zft_position *pos); -extern void zft_move_past_eof (zft_position *pos); - -static inline int zft_tape_at_eod (const zft_position *pos); -static inline int zft_tape_at_lbot (const zft_position *pos); -static inline void zft_position_before_eof (zft_position *pos, - const zft_volinfo *volume); -static inline __s64 zft_check_for_eof(const zft_volinfo *vtbl, - const zft_position *pos); - -/* this function decrements the zft_seg_pos counter if we are right - * at the beginning of a segment. This is to handle fsfm/bsfm -- we - * need to position before the eof mark. NOTE: zft_tape_pos is not - * changed - */ -static inline void zft_position_before_eof(zft_position *pos, - const zft_volinfo *volume) -{ - TRACE_FUN(ft_t_flow); - - if (pos->seg_pos == volume->end_seg + 1 && pos->seg_byte_pos == 0) { - pos->seg_pos --; - pos->seg_byte_pos = zft_get_seg_sz(pos->seg_pos); - } - TRACE_EXIT; -} - -/* Mmmh. Is the position at the end of the last volume, that is right - * before the last EOF mark also logical an EOD condition? - */ -static inline int zft_tape_at_eod(const zft_position *pos) -{ - TRACE_FUN(ft_t_any); - - if (zft_qic_mode) { - TRACE_EXIT (pos->seg_pos >= zft_eom_vtbl->start_seg || - zft_last_vtbl->open); - } else { - TRACE_EXIT pos->seg_pos > ft_last_data_segment; - } -} - -static inline int zft_tape_at_lbot(const zft_position *pos) -{ - if (zft_qic_mode) { - return (pos->seg_pos <= zft_first_vtbl->start_seg && - pos->volume_pos == 0); - } else { - return (pos->seg_pos <= ft_first_data_segment && - pos->volume_pos == 0); - } -} - -/* This one checks for EOF. return remaing space (may be negative) - */ -static inline __s64 zft_check_for_eof(const zft_volinfo *vtbl, - const zft_position *pos) -{ - return (__s64)(vtbl->size - pos->volume_pos); -} - -#endif /* _ZFTAPE_VTBL_H */ diff --git a/drivers/char/ftape/zftape/zftape-write.c b/drivers/char/ftape/zftape/zftape-write.c deleted file mode 100644 index 94327b8c97b..00000000000 --- a/drivers/char/ftape/zftape/zftape-write.c +++ /dev/null @@ -1,483 +0,0 @@ -/* - * Copyright (C) 1996, 1997 Claus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-write.c,v $ - * $Revision: 1.3 $ - * $Date: 1997/11/06 00:50:29 $ - * - * This file contains the writing code - * for the QIC-117 floppy-tape driver for Linux. - */ - -#include -#include - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-eof.h" -#include "../zftape/zftape-ctl.h" -#include "../zftape/zftape-write.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-rw.h" -#include "../zftape/zftape-vtbl.h" - -/* Global vars. - */ - -/* Local vars. - */ -static int last_write_failed; -static int need_flush; - -void zft_prevent_flush(void) -{ - need_flush = 0; -} - -static int zft_write_header_segments(__u8* buffer) -{ - int header_1_ok = 0; - int header_2_ok = 0; - unsigned int time_stamp; - TRACE_FUN(ft_t_noise); - - TRACE_CATCH(ftape_abort_operation(),); - ftape_seek_to_bot(); /* prevents extra rewind */ - if (GET4(buffer, 0) != FT_HSEG_MAGIC) { - TRACE_ABORT(-EIO, ft_t_err, - "wrong header signature found, aborting"); - } - /* Be optimistic: */ - PUT4(buffer, FT_SEG_CNT, - zft_written_segments + GET4(buffer, FT_SEG_CNT) + 2); - if ((time_stamp = zft_get_time()) != 0) { - PUT4(buffer, FT_WR_DATE, time_stamp); - if (zft_label_changed) { - PUT4(buffer, FT_LABEL_DATE, time_stamp); - } - } - TRACE(ft_t_noise, - "writing first header segment %d", ft_header_segment_1); - header_1_ok = zft_verify_write_segments(ft_header_segment_1, - buffer, FT_SEGMENT_SIZE, - zft_deblock_buf) >= 0; - TRACE(ft_t_noise, - "writing second header segment %d", ft_header_segment_2); - header_2_ok = zft_verify_write_segments(ft_header_segment_2, - buffer, FT_SEGMENT_SIZE, - zft_deblock_buf) >= 0; - if (!header_1_ok) { - TRACE(ft_t_warn, "Warning: " - "update of first header segment failed"); - } - if (!header_2_ok) { - TRACE(ft_t_warn, "Warning: " - "update of second header segment failed"); - } - if (!header_1_ok && !header_2_ok) { - TRACE_ABORT(-EIO, ft_t_err, "Error: " - "update of both header segments failed."); - } - TRACE_EXIT 0; -} - -int zft_update_header_segments(void) -{ - TRACE_FUN(ft_t_noise); - - /* must NOT use zft_write_protected, as it also includes the - * file access mode. But we also want to update when soft - * write protection is enabled (O_RDONLY) - */ - if (ft_write_protected || zft_old_ftape) { - TRACE_ABORT(0, ft_t_noise, "Tape set read-only: no update"); - } - if (!zft_header_read) { - TRACE_ABORT(0, ft_t_noise, "Nothing to update"); - } - if (!zft_header_changed) { - zft_header_changed = zft_written_segments > 0; - } - if (!zft_header_changed && !zft_volume_table_changed) { - TRACE_ABORT(0, ft_t_noise, "Nothing to update"); - } - TRACE(ft_t_noise, "Updating header segments"); - if (ftape_get_status()->fti_state == writing) { - TRACE_CATCH(ftape_loop_until_writes_done(),); - } - TRACE_CATCH(ftape_abort_operation(),); - - zft_deblock_segment = -1; /* invalidate the cache */ - if (zft_header_changed) { - TRACE_CATCH(zft_write_header_segments(zft_hseg_buf),); - } - if (zft_volume_table_changed) { - TRACE_CATCH(zft_update_volume_table(ft_first_data_segment),); - } - zft_header_changed = - zft_volume_table_changed = - zft_label_changed = - zft_written_segments = 0; - TRACE_CATCH(ftape_abort_operation(),); - ftape_seek_to_bot(); - TRACE_EXIT 0; -} - -static int read_merge_buffer(int seg_pos, __u8 *buffer, int offset, int seg_sz) -{ - int result = 0; - const ft_trace_t old_tracing = TRACE_LEVEL; - TRACE_FUN(ft_t_flow); - - if (zft_qic_mode) { - /* writing in the middle of a volume is NOT allowed - * - */ - TRACE(ft_t_noise, "No need to read a segment"); - memset(buffer + offset, 0, seg_sz - offset); - TRACE_EXIT 0; - } - TRACE(ft_t_any, "waiting"); - ftape_start_writing(FT_WR_MULTI); - TRACE_CATCH(ftape_loop_until_writes_done(),); - - TRACE(ft_t_noise, "trying to read segment %d from offset %d", - seg_pos, offset); - SET_TRACE_LEVEL(ft_t_bug); - result = zft_fetch_segment_fraction(seg_pos, buffer, - FT_RD_SINGLE, - offset, seg_sz - offset); - SET_TRACE_LEVEL(old_tracing); - if (result != (seg_sz - offset)) { - TRACE(ft_t_noise, "Ignore error: read_segment() result: %d", - result); - memset(buffer + offset, 0, seg_sz - offset); - } - TRACE_EXIT 0; -} - -/* flush the write buffer to tape and write an eof-marker at the - * current position if not in raw mode. This function always - * positions the tape before the eof-marker. _ftape_close() should - * then advance to the next segment. - * - * the parameter "finish_volume" describes whether to position before - * or after the possibly created file-mark. We always position after - * the file-mark when called from ftape_close() and a flush was needed - * (that is ftape_write() was the last tape operation before calling - * ftape_flush) But we always position before the file-mark when this - * function get's called from outside ftape_close() - */ -int zft_flush_buffers(void) -{ - int result; - int data_remaining; - int this_segs_size; - TRACE_FUN(ft_t_flow); - - TRACE(ft_t_data_flow, - "entered, ftape_state = %d", ftape_get_status()->fti_state); - if (ftape_get_status()->fti_state != writing && !need_flush) { - TRACE_ABORT(0, ft_t_noise, "no need for flush"); - } - zft_io_state = zft_idle; /* triggers some initializations for the - * read and write routines - */ - if (last_write_failed) { - ftape_abort_operation(); - TRACE_EXIT -EIO; - } - TRACE(ft_t_noise, "flushing write buffers"); - this_segs_size = zft_get_seg_sz(zft_pos.seg_pos); - if (this_segs_size == zft_pos.seg_byte_pos) { - zft_pos.seg_pos ++; - data_remaining = zft_pos.seg_byte_pos = 0; - } else { - data_remaining = zft_pos.seg_byte_pos; - } - /* If there is any data not written to tape yet, append zero's - * up to the end of the sector (if using compression) or merge - * it with the data existing on the tape Then write the - * segment(s) to tape. - */ - TRACE(ft_t_noise, "Position:\n" - KERN_INFO "seg_pos : %d\n" - KERN_INFO "byte pos : %d\n" - KERN_INFO "remaining: %d", - zft_pos.seg_pos, zft_pos.seg_byte_pos, data_remaining); - if (data_remaining > 0) { - do { - this_segs_size = zft_get_seg_sz(zft_pos.seg_pos); - if (this_segs_size > data_remaining) { - TRACE_CATCH(read_merge_buffer(zft_pos.seg_pos, - zft_deblock_buf, - data_remaining, - this_segs_size), - last_write_failed = 1); - } - result = ftape_write_segment(zft_pos.seg_pos, - zft_deblock_buf, - FT_WR_MULTI); - if (result != this_segs_size) { - TRACE(ft_t_err, "flush buffers failed"); - zft_pos.tape_pos -= zft_pos.seg_byte_pos; - zft_pos.seg_byte_pos = 0; - - last_write_failed = 1; - TRACE_EXIT result; - } - zft_written_segments ++; - TRACE(ft_t_data_flow, - "flush, moved out buffer: %d", result); - /* need next segment for more data (empty segments?) - */ - if (result < data_remaining) { - if (result > 0) { - /* move remainder to buffer beginning - */ - memmove(zft_deblock_buf, - zft_deblock_buf + result, - FT_SEGMENT_SIZE - result); - } - } - data_remaining -= result; - zft_pos.seg_pos ++; - } while (data_remaining > 0); - TRACE(ft_t_any, "result: %d", result); - zft_deblock_segment = --zft_pos.seg_pos; - if (data_remaining == 0) { /* first byte next segment */ - zft_pos.seg_byte_pos = this_segs_size; - } else { /* after data previous segment, data_remaining < 0 */ - zft_pos.seg_byte_pos = data_remaining + result; - } - } else { - TRACE(ft_t_noise, "zft_deblock_buf empty"); - zft_pos.seg_pos --; - zft_pos.seg_byte_pos = zft_get_seg_sz (zft_pos.seg_pos); - ftape_start_writing(FT_WR_MULTI); - } - TRACE(ft_t_any, "waiting"); - if ((result = ftape_loop_until_writes_done()) < 0) { - /* that's really bad. What to to with zft_tape_pos? - */ - TRACE(ft_t_err, "flush buffers failed"); - } - TRACE(ft_t_any, "zft_seg_pos: %d, zft_seg_byte_pos: %d", - zft_pos.seg_pos, zft_pos.seg_byte_pos); - last_write_failed = - need_flush = 0; - TRACE_EXIT result; -} - -/* return-value: the number of bytes removed from the user-buffer - * - * out: - * int *write_cnt: how much actually has been moved to the - * zft_deblock_buf - * int req_len : MUST NOT BE CHANGED, except at EOT, in - * which case it may be adjusted - * in : - * char *buff : the user buffer - * int buf_pos_write : copy of buf_len_wr int - * this_segs_size : the size in bytes of the actual segment - * char - * *zft_deblock_buf : zft_deblock_buf - */ -static int zft_simple_write(int *cnt, - __u8 *dst_buf, const int seg_sz, - const __u8 __user *src_buf, const int req_len, - const zft_position *pos,const zft_volinfo *volume) -{ - int space_left; - TRACE_FUN(ft_t_flow); - - /* volume->size holds the tape capacity while volume is open */ - if (pos->tape_pos + volume->blk_sz > volume->size) { - TRACE_EXIT -ENOSPC; - } - /* remaining space in this segment, NOT zft_deblock_buf - */ - space_left = seg_sz - pos->seg_byte_pos; - *cnt = req_len < space_left ? req_len : space_left; - if (copy_from_user(dst_buf + pos->seg_byte_pos, src_buf, *cnt) != 0) { - TRACE_EXIT -EFAULT; - } - TRACE_EXIT *cnt; -} - -static int check_write_access(int req_len, - const zft_volinfo **volume, - zft_position *pos, - const unsigned int blk_sz) -{ - int result; - TRACE_FUN(ft_t_flow); - - if ((req_len % zft_blk_sz) != 0) { - TRACE_ABORT(-EINVAL, ft_t_info, - "write-count %d must be multiple of block-size %d", - req_len, blk_sz); - } - if (zft_io_state == zft_writing) { - /* all other error conditions have been checked earlier - */ - TRACE_EXIT 0; - } - zft_io_state = zft_idle; - TRACE_CATCH(zft_check_write_access(pos),); - /* If we haven't read the header segment yet, do it now. - * This will verify the configuration, get the bad sector - * table and read the volume table segment - */ - if (!zft_header_read) { - TRACE_CATCH(zft_read_header_segments(),); - } - /* fine. Now the tape is either at BOT or at EOD, - * Write start of volume now - */ - TRACE_CATCH(zft_open_volume(pos, blk_sz, zft_use_compression),); - *volume = zft_find_volume(pos->seg_pos); - DUMP_VOLINFO(ft_t_noise, "", *volume); - zft_just_before_eof = 0; - /* now merge with old data if necessary */ - if (!zft_qic_mode && pos->seg_byte_pos != 0){ - result = zft_fetch_segment(pos->seg_pos, - zft_deblock_buf, - FT_RD_SINGLE); - if (result < 0) { - if (result == -EINTR || result == -ENOSPC) { - TRACE_EXIT result; - } - TRACE(ft_t_noise, - "ftape_read_segment() result: %d. " - "This might be normal when using " - "a newly\nformatted tape", result); - memset(zft_deblock_buf, '\0', pos->seg_byte_pos); - } - } - zft_io_state = zft_writing; - TRACE_EXIT 0; -} - -static int fill_deblock_buf(__u8 *dst_buf, const int seg_sz, - zft_position *pos, const zft_volinfo *volume, - const char __user *usr_buf, const int req_len) -{ - int cnt = 0; - int result = 0; - TRACE_FUN(ft_t_flow); - - if (seg_sz == 0) { - TRACE_ABORT(0, ft_t_data_flow, "empty segment"); - } - TRACE(ft_t_data_flow, "\n" - KERN_INFO "remaining req_len: %d\n" - KERN_INFO " buf_pos: %d", - req_len, pos->seg_byte_pos); - /* zft_deblock_buf will not contain a valid segment any longer */ - zft_deblock_segment = -1; - if (zft_use_compression) { - TRACE_CATCH(zft_cmpr_lock(1 /* try to load */),); - TRACE_CATCH(result= (*zft_cmpr_ops->write)(&cnt, - dst_buf, seg_sz, - usr_buf, req_len, - pos, volume),); - } else { - TRACE_CATCH(result= zft_simple_write(&cnt, - dst_buf, seg_sz, - usr_buf, req_len, - pos, volume),); - } - pos->volume_pos += result; - pos->seg_byte_pos += cnt; - pos->tape_pos += cnt; - TRACE(ft_t_data_flow, "\n" - KERN_INFO "removed from user-buffer : %d bytes.\n" - KERN_INFO "copied to zft_deblock_buf: %d bytes.\n" - KERN_INFO "zft_tape_pos : " LL_X " bytes.", - result, cnt, LL(pos->tape_pos)); - TRACE_EXIT result; -} - - -/* called by the kernel-interface routine "zft_write()" - */ -int _zft_write(const char __user *buff, int req_len) -{ - int result = 0; - int written = 0; - int write_cnt; - int seg_sz; - static const zft_volinfo *volume = NULL; - TRACE_FUN(ft_t_flow); - - zft_resid = req_len; - last_write_failed = 1; /* reset to 0 when successful */ - /* check if write is allowed - */ - TRACE_CATCH(check_write_access(req_len, &volume,&zft_pos,zft_blk_sz),); - while (req_len > 0) { - /* Allow us to escape from this loop with a signal ! - */ - FT_SIGNAL_EXIT(_DONT_BLOCK); - seg_sz = zft_get_seg_sz(zft_pos.seg_pos); - if ((write_cnt = fill_deblock_buf(zft_deblock_buf, - seg_sz, - &zft_pos, - volume, - buff, - req_len)) < 0) { - zft_resid -= written; - if (write_cnt == -ENOSPC) { - /* leave the remainder to flush_buffers() - */ - TRACE(ft_t_info, "No space left on device"); - last_write_failed = 0; - if (!need_flush) { - need_flush = written > 0; - } - TRACE_EXIT written > 0 ? written : -ENOSPC; - } else { - TRACE_EXIT result; - } - } - if (zft_pos.seg_byte_pos == seg_sz) { - TRACE_CATCH(ftape_write_segment(zft_pos.seg_pos, - zft_deblock_buf, - FT_WR_ASYNC), - zft_resid -= written); - zft_written_segments ++; - zft_pos.seg_byte_pos = 0; - zft_deblock_segment = zft_pos.seg_pos; - ++zft_pos.seg_pos; - } - written += write_cnt; - buff += write_cnt; - req_len -= write_cnt; - } /* while (req_len > 0) */ - TRACE(ft_t_data_flow, "remaining in blocking buffer: %d", - zft_pos.seg_byte_pos); - TRACE(ft_t_data_flow, "just written bytes: %d", written); - last_write_failed = 0; - zft_resid -= written; - need_flush = need_flush || written > 0; - TRACE_EXIT written; /* bytes written */ -} diff --git a/drivers/char/ftape/zftape/zftape-write.h b/drivers/char/ftape/zftape/zftape-write.h deleted file mode 100644 index ea887015b49..00000000000 --- a/drivers/char/ftape/zftape/zftape-write.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef _ZFTAPE_WRITE_H -#define _ZFTAPE_WRITE_H - -/* - * Copyright (C) 1996, 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-write.h,v $ - * $Revision: 1.2 $ - * $Date: 1997/10/05 19:19:13 $ - * - * This file contains the definitions for the write functions - * for the zftape driver for Linux. - * - */ - -extern int zft_flush_buffers(void); -extern int zft_update_header_segments(void); -extern void zft_prevent_flush(void); - -/* hook for the VFS interface - */ -extern int _zft_write(const char __user *buff, int req_len); -#endif /* _ZFTAPE_WRITE_H */ diff --git a/drivers/char/ftape/zftape/zftape_syms.c b/drivers/char/ftape/zftape/zftape_syms.c deleted file mode 100644 index 2db1401682d..00000000000 --- a/drivers/char/ftape/zftape/zftape_syms.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright (C) 1997 Claus-Justus Heine - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - * - * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape_syms.c,v $ - * $Revision: 1.3 $ - * $Date: 1997/10/05 19:19:14 $ - * - * This file contains the symbols that the zftape frontend to - * the ftape floppy tape driver exports - */ - -#include - -#include - -#include "../zftape/zftape-init.h" -#include "../zftape/zftape-read.h" -#include "../zftape/zftape-buffers.h" -#include "../zftape/zftape-ctl.h" - -/* zftape-init.c */ -EXPORT_SYMBOL(zft_cmpr_register); -/* zftape-read.c */ -EXPORT_SYMBOL(zft_fetch_segment_fraction); -/* zftape-buffers.c */ -EXPORT_SYMBOL(zft_vmalloc_once); -EXPORT_SYMBOL(zft_vmalloc_always); -EXPORT_SYMBOL(zft_vfree); -- cgit v1.2.3 From ef9467f8f0803881d6b20ad6f0f770fc39bcc2c2 Mon Sep 17 00:00:00 2001 From: Jurij Smakov Date: Sun, 3 Dec 2006 19:33:02 -0800 Subject: [SUNHME]: Fix for sunhme failures on x86 The following patch fixes the failure of sunhme drivers on x86 hosts due to missing pci_enable_device() and pci_set_master() calls, lost during code refactoring. It has been filed as bugzilla bug #7502 [0] and Debian bug #397460 [1]. [0] http://bugzilla.kernel.org/show_bug.cgi?id=7502 [1] http://bugs.debian.org/397460 Signed-off-by: Jurij Smakov Signed-off-by: David S. Miller --- drivers/net/sunhme.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers') diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index ec432ea879f..df40e34c776 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -3012,6 +3012,11 @@ static int __devinit happy_meal_pci_probe(struct pci_dev *pdev, #endif err = -ENODEV; + + if (pci_enable_device(pdev)) + goto err_out; + pci_set_master(pdev); + if (!strcmp(prom_name, "SUNW,qfe") || !strcmp(prom_name, "qfe")) { qp = quattro_pci_find(pdev); if (qp == NULL) -- cgit v1.2.3 From 1be3770aa9220324e54851d1be7c879942f79620 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sat, 11 Nov 2006 17:24:54 +1100 Subject: [POWERPC] Make EMAC use generic DCR access methods This patch makes the EMAC driver use the new DCR access methods. It doesn't yet uses dcr_map() and thus still only work with real DCRs. This will be fixed in a later patch Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/net/ibm_emac/ibm_emac_mal.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ibm_emac/ibm_emac_mal.h b/drivers/net/ibm_emac/ibm_emac_mal.h index f73f10a0a56..407d2acbf7c 100644 --- a/drivers/net/ibm_emac/ibm_emac_mal.h +++ b/drivers/net/ibm_emac/ibm_emac_mal.h @@ -24,6 +24,7 @@ #include #include +#include /* * These MAL "versions" probably aren't the real versions IBM uses for these @@ -191,6 +192,7 @@ struct mal_commac { struct ibm_ocp_mal { int dcrbase; + dcr_host_t dcrhost; struct list_head poll_list; struct net_device poll_dev; @@ -207,12 +209,12 @@ struct ibm_ocp_mal { static inline u32 get_mal_dcrn(struct ibm_ocp_mal *mal, int reg) { - return mfdcr(mal->dcrbase + reg); + return dcr_read(mal->dcrhost, mal->dcrbase + reg); } static inline void set_mal_dcrn(struct ibm_ocp_mal *mal, int reg, u32 val) { - mtdcr(mal->dcrbase + reg, val); + dcr_write(mal->dcrhost, mal->dcrbase + reg, val); } /* Register MAL devices */ -- cgit v1.2.3 From 7eebde700fe6fd6573e80bd8e5ed82b4ae705575 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sat, 11 Nov 2006 17:24:59 +1100 Subject: [POWERPC] Souped-up of_platform_device support This patch first splits of_device.c and of_platform.c, the later containing the bits relative to of_platform_device's. On the "breaks" side of things, drivers uisng of_platform_device(s) need to include asm/of_platform.h now and of_(un)register_driver is now of_(un)register_platform_driver. In addition to a few utility functions to locate of_platform_device(s), the main new addition is of_platform_bus_probe() which allows the platform code to trigger an automatic creation of of_platform_devices for a whole tree of devices. The function acts based on the type of the various "parent" devices encountered from a provided root, using either a default known list of bus types that can be "probed" or a passed-in list. It will only register devices on busses matching that list, which mean that typically, it will not register PCI devices, as expected (since they will be picked up by the PCI layer). This will be used by Cell platforms using 4xx-type IOs in the Axon bridge and can be used by any embedded-type device as well. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/macintosh/smu.c | 3 ++- drivers/macintosh/therm_adt746x.c | 2 +- drivers/macintosh/therm_pm72.c | 5 +++-- drivers/macintosh/therm_windtunnel.c | 7 ++++--- drivers/video/platinumfb.c | 5 +++-- 5 files changed, 13 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index ade25b3fbb3..4f724cdd2ef 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -46,6 +46,7 @@ #include #include #include +#include #define VERSION "0.7" #define AUTHOR "(c) 2005 Benjamin Herrenschmidt, IBM Corp." @@ -653,7 +654,7 @@ static int __init smu_init_sysfs(void) * I'm a bit too far from figuring out how that works with those * new chipsets, but that will come back and bite us */ - of_register_driver(&smu_of_platform_driver); + of_register_platform_driver(&smu_of_platform_driver); return 0; } diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index a0f30d0853e..13b953ae8eb 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -30,7 +30,7 @@ #include #include #include -#include +#include #undef DEBUG diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c index d00c0c37a12..2e4ad44a863 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -129,6 +129,7 @@ #include #include #include +#include #include "therm_pm72.h" @@ -2236,14 +2237,14 @@ static int __init therm_pm72_init(void) return -ENODEV; } - of_register_driver(&fcu_of_platform_driver); + of_register_platform_driver(&fcu_of_platform_driver); return 0; } static void __exit therm_pm72_exit(void) { - of_unregister_driver(&fcu_of_platform_driver); + of_unregister_platform_driver(&fcu_of_platform_driver); if (of_dev) of_device_unregister(of_dev); diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 738faab1b22..a1d3a987cb3 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -36,12 +36,13 @@ #include #include #include + #include #include #include #include #include -#include +#include #include #define LOG_TEMP 0 /* continously log temperature */ @@ -511,14 +512,14 @@ g4fan_init( void ) return -ENODEV; } - of_register_driver( &therm_of_driver ); + of_register_platform_driver( &therm_of_driver ); return 0; } static void __exit g4fan_exit( void ) { - of_unregister_driver( &therm_of_driver ); + of_unregister_platform_driver( &therm_of_driver ); if( x.of_dev ) of_device_unregister( x.of_dev ); diff --git a/drivers/video/platinumfb.c b/drivers/video/platinumfb.c index fdb33cd21a2..cb26c6df058 100644 --- a/drivers/video/platinumfb.c +++ b/drivers/video/platinumfb.c @@ -34,6 +34,7 @@ #include #include #include +#include #include "macmodes.h" #include "platinumfb.h" @@ -682,14 +683,14 @@ static int __init platinumfb_init(void) return -ENODEV; platinumfb_setup(option); #endif - of_register_driver(&platinum_driver); + of_register_platform_driver(&platinum_driver); return 0; } static void __exit platinumfb_exit(void) { - of_unregister_driver(&platinum_driver); + of_unregister_platform_driver(&platinum_driver); } MODULE_LICENSE("GPL"); -- cgit v1.2.3 From f6a570333e554b48ad589e7137c77c57809eee81 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 18 Oct 2006 01:47:25 -0400 Subject: [PATCH] severing module.h->sched.h Signed-off-by: Al Viro --- drivers/base/cpu.c | 1 + drivers/hwmon/abituguru.c | 1 + drivers/leds/ledtrig-ide-disk.c | 1 + drivers/leds/ledtrig-timer.c | 1 + drivers/pci/access.c | 1 + drivers/scsi/scsi_transport_sas.c | 1 + drivers/w1/slaves/w1_therm.c | 1 + 7 files changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 4bef76a2f3f..1f745f12f94 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -5,6 +5,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index e5cb0fdab9b..b1dc63e4ac7 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -21,6 +21,7 @@ etc voltage & frequency control is not supported! */ #include +#include #include #include #include diff --git a/drivers/leds/ledtrig-ide-disk.c b/drivers/leds/ledtrig-ide-disk.c index fa651886ab4..54b155c7026 100644 --- a/drivers/leds/ledtrig-ide-disk.c +++ b/drivers/leds/ledtrig-ide-disk.c @@ -12,6 +12,7 @@ */ #include +#include #include #include #include diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index 29a8818a32e..d756bdb01c5 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -12,6 +12,7 @@ */ #include +#include #include #include #include diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 73a58c73d52..fc405f0165d 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -1,5 +1,6 @@ #include #include +#include #include #include diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index b5b0c2cba96..5c0b75bbfa1 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -25,6 +25,7 @@ #include #include +#include #include #include #include diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index 5372cfcbd05..b022fffd8c5 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include -- cgit v1.2.3 From 914e26379decf1fd984b22e51fd2e4209b7a7f1b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 18 Oct 2006 13:55:46 -0400 Subject: [PATCH] severing fs.h, radix-tree.h -> sched.h Signed-off-by: Al Viro --- drivers/acpi/dock.c | 1 + drivers/char/hw_random/core.c | 1 + drivers/char/tpm/tpm.h | 1 + drivers/hwmon/hdaps.c | 1 + drivers/spi/spi_butterfly.c | 1 + 5 files changed, 5 insertions(+) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 578b99b71d9..bf5b79ed361 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index ebace201bec..26a860adcb3 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 050ced247f6..bb9a43c6cf3 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index 26be4ea8a38..e8ef62b83d6 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */ diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c index 39d9b20f203..c2f601f8e4f 100644 --- a/drivers/spi/spi_butterfly.c +++ b/drivers/spi/spi_butterfly.c @@ -23,6 +23,7 @@ #include #include +#include #include #include #include -- cgit v1.2.3 From a1f8e7f7fb9d7e2cbcb53170edca7c0ac4680697 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 19 Oct 2006 16:08:53 -0400 Subject: [PATCH] severing skbuff.h -> highmem.h Signed-off-by: Al Viro --- drivers/infiniband/ulp/iser/iser_memory.c | 1 + drivers/net/sun3lance.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 0606744c3f8..5e122501fd8 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c index b865db363ba..47a1c09d19a 100644 --- a/drivers/net/sun3lance.c +++ b/drivers/net/sun3lance.c @@ -38,6 +38,7 @@ static char *version = "sun3lance.c: v1.2 1/12/2001 Sam Creasey (sammy@sammy.ne #include #include +#include #include #include #include -- cgit v1.2.3 From d7fe0f241dceade9c8d4af75498765c5ff7f27e6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 3 Dec 2006 23:15:30 -0500 Subject: [PATCH] severing skbuff.h -> mm.h Signed-off-by: Al Viro --- drivers/isdn/divert/isdn_divert.c | 2 ++ drivers/net/ehea/ehea_qmr.c | 1 + drivers/net/lance.c | 1 + drivers/net/ne3210.c | 1 + drivers/net/sk98lin/skge.c | 1 + drivers/net/starfire.c | 1 + drivers/net/sungem.c | 1 + drivers/net/sunhme.c | 1 + drivers/net/typhoon.c | 1 + 9 files changed, 10 insertions(+) (limited to 'drivers') diff --git a/drivers/isdn/divert/isdn_divert.c b/drivers/isdn/divert/isdn_divert.c index 1f5ebe9ee72..03319ea5aa0 100644 --- a/drivers/isdn/divert/isdn_divert.c +++ b/drivers/isdn/divert/isdn_divert.c @@ -10,6 +10,8 @@ */ #include +#include +#include #include "isdn_divert.h" diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 72ef7bde334..f143e13b229 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -26,6 +26,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include #include "ehea.h" #include "ehea_phyp.h" #include "ehea_qmr.h" diff --git a/drivers/net/lance.c b/drivers/net/lance.c index 6efbd499d75..4256c13c73c 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -57,6 +57,7 @@ static const char version[] = "lance.c:v1.16 2006/11/09 dplatt@3do.com, becker@c #include #include #include +#include #include #include diff --git a/drivers/net/ne3210.c b/drivers/net/ne3210.c index d6632897542..1a6fed76d4c 100644 --- a/drivers/net/ne3210.c +++ b/drivers/net/ne3210.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 12cbfd190dd..92d11b961db 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -114,6 +114,7 @@ #include #include #include +#include #include "h/skdrv1st.h" #include "h/skdrv2nd.h" diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index 7a0aee6c869..bf873ea2579 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -41,6 +41,7 @@ #include #include #include +#include #include /* Processor type for cache alignment. */ #include #include diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 334c6cfd659..cf44e72399b 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index ec432ea879f..4d59ece6729 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index 8ddea1da7c0..9781b16bb8b 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -117,6 +117,7 @@ static const int multicast_filter_limit = 32; #include #include #include +#include #include #include #include -- cgit v1.2.3 From f23f6e08c47acbdd20e9c49a79da8c404ea168e1 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 20 Oct 2006 15:17:02 -0400 Subject: [PATCH] severing poll.h -> mm.h Signed-off-by: Al Viro --- drivers/char/hpet.c | 1 + drivers/media/dvb/cinergyT2/cinergyT2.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 091a11cd878..20dc3be5ecf 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 55bc891768c..8a7dd507cf6 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "dmxdev.h" #include "dvb_demux.h" -- cgit v1.2.3 From 7c719871ff4d5f15b71f0138d08b758281b58631 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sat, 11 Nov 2006 17:24:42 +1100 Subject: [PATCH] ibmveth: Remove ibmveth "liobn" field Remove the now unused "liobn" field in ibmveth which also avoids having insider knowledge of the iommu table in that driver. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Santiago Leon Signed-off-by: Paul Mackerras --- drivers/net/ibmveth.c | 4 ---- drivers/net/ibmveth.h | 1 - 2 files changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 44c9f993dcc..99343b5836b 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -50,7 +50,6 @@ #include #include #include -#include #include #include #include @@ -1000,8 +999,6 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ adapter->mac_addr = 0; memcpy(&adapter->mac_addr, mac_addr_p, 6); - adapter->liobn = dev->iommu_table->it_index; - netdev->irq = dev->irq; netdev->open = ibmveth_open; netdev->poll = ibmveth_poll; @@ -1115,7 +1112,6 @@ static int ibmveth_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%s %s\n\n", ibmveth_driver_string, ibmveth_driver_version); seq_printf(seq, "Unit Address: 0x%x\n", adapter->vdev->unit_address); - seq_printf(seq, "LIOBN: 0x%lx\n", adapter->liobn); seq_printf(seq, "Current MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", current_mac[0], current_mac[1], current_mac[2], current_mac[3], current_mac[4], current_mac[5]); diff --git a/drivers/net/ibmveth.h b/drivers/net/ibmveth.h index f5b25bff154..bb69ccae8ac 100644 --- a/drivers/net/ibmveth.h +++ b/drivers/net/ibmveth.h @@ -118,7 +118,6 @@ struct ibmveth_adapter { struct net_device_stats stats; unsigned int mcastFilterSize; unsigned long mac_addr; - unsigned long liobn; void * buffer_list_addr; void * filter_list_addr; dma_addr_t buffer_list_dma; -- cgit v1.2.3 From 3bc0f40c287a435805b0545ffc44ea41f11cd43e Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sat, 11 Nov 2006 17:25:13 +1100 Subject: [POWERPC] Spider uses low level BE MMIO accessors We use the powerpc specific low level MMIO accessor variants instead of readl() or readl_be() because we know spidernet is not a real PCI device and we can thus avoid the performance hit caused by the PCI workarounds. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/net/spider_net.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index cef7e6671c4..13e0a43e423 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -88,12 +88,11 @@ MODULE_DEVICE_TABLE(pci, spider_net_pci_tbl); static inline u32 spider_net_read_reg(struct spider_net_card *card, u32 reg) { - u32 value; - - value = readl(card->regs + reg); - value = le32_to_cpu(value); - - return value; + /* We use the powerpc specific variants instead of readl_be() because + * we know spidernet is not a real PCI device and we can thus avoid the + * performance hit caused by the PCI workarounds. + */ + return in_be32(card->regs + reg); } /** @@ -105,8 +104,11 @@ spider_net_read_reg(struct spider_net_card *card, u32 reg) static inline void spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value) { - value = cpu_to_le32(value); - writel(value, card->regs + reg); + /* We use the powerpc specific variants instead of writel_be() because + * we know spidernet is not a real PCI device and we can thus avoid the + * performance hit caused by the PCI workarounds. + */ + out_be32(card->regs + reg, value); } /** spider_net_write_phy - write to phy register -- cgit v1.2.3 From f9df68ec7bf49e37b46aa0a5d9e7938c060dba52 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Mon, 13 Nov 2006 14:43:17 +1100 Subject: [POWERPC] iSeries: improve viodasd initialisation On error, make sure that we undo all necessary operations. This also gets rid of a must_check warning. Signed-off-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- drivers/block/viodasd.c | 49 ++++++++++++++++++++++++++++++++++++------------- 1 file changed, 36 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index ec5a1b90a0a..e19ba4ebcd4 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -759,6 +759,8 @@ static struct vio_driver viodasd_driver = { } }; +static int need_delete_probe; + /* * Initialize the whole device driver. Handle module and non-module * versions @@ -773,46 +775,67 @@ static int __init viodasd_init(void) if (viopath_hostLp == HvLpIndexInvalid) { printk(VIOD_KERN_WARNING "invalid hosting partition\n"); - return -EIO; + rc = -EIO; + goto early_fail; } printk(VIOD_KERN_INFO "vers " VIOD_VERS ", hosting partition %d\n", viopath_hostLp); /* register the block device */ - if (register_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME)) { + rc = register_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); + if (rc) { printk(VIOD_KERN_WARNING "Unable to get major number %d for %s\n", VIODASD_MAJOR, VIOD_GENHD_NAME); - return -EIO; + goto early_fail; } /* Actually open the path to the hosting partition */ - if (viopath_open(viopath_hostLp, viomajorsubtype_blockio, - VIOMAXREQ + 2)) { + rc = viopath_open(viopath_hostLp, viomajorsubtype_blockio, + VIOMAXREQ + 2); + if (rc) { printk(VIOD_KERN_WARNING "error opening path to host partition %d\n", viopath_hostLp); - unregister_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); - return -EIO; + goto unregister_blk; } /* Initialize our request handler */ vio_setHandler(viomajorsubtype_blockio, handle_block_event); rc = vio_register_driver(&viodasd_driver); - if (rc == 0) - driver_create_file(&viodasd_driver.driver, &driver_attr_probe); + if (rc) { + printk(VIOD_KERN_WARNING "vio_register_driver failed\n"); + goto unset_handler; + } + + /* + * If this call fails, it just means that we cannot dynamically + * add virtual disks, but the driver will still work fine for + * all existing disk, so ignore the failure. + */ + if (!driver_create_file(&viodasd_driver.driver, &driver_attr_probe)) + need_delete_probe = 1; + + return 0; + +unset_handler: + vio_clearHandler(viomajorsubtype_blockio); + viopath_close(viopath_hostLp, viomajorsubtype_blockio, VIOMAXREQ + 2); +unregister_blk: + unregister_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); +early_fail: return rc; } module_init(viodasd_init); -void viodasd_exit(void) +void __exit viodasd_exit(void) { - driver_remove_file(&viodasd_driver.driver, &driver_attr_probe); + if (need_delete_probe) + driver_remove_file(&viodasd_driver.driver, &driver_attr_probe); vio_unregister_driver(&viodasd_driver); vio_clearHandler(viomajorsubtype_blockio); - unregister_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); viopath_close(viopath_hostLp, viomajorsubtype_blockio, VIOMAXREQ + 2); + unregister_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); } - module_exit(viodasd_exit); -- cgit v1.2.3 From 533462df56db99ceba4b4124b69469aa2a46a8de Mon Sep 17 00:00:00 2001 From: Kalle Pokki Date: Mon, 13 Nov 2006 11:22:30 +0300 Subject: [POWERPC] CPM_UART: Fix inconsistency of function definition The below hunk was missed from the recent patch, and now, there are somewhat inconsistent definitions: in cpm_uart.h: int __init cpm_uart_init_portdesc(void); in cpm_uart_cpm1.c: int __init cpm_uart_init_portdesc(void) { } in cpm_uart_cpm2.c: int cpm_uart_init_portdesc(void) { } Signed-off-by: Kalle Pokki Signed-off-by: Vitaly Bordug Signed-off-by: Paul Mackerras --- drivers/serial/cpm_uart/cpm_uart_cpm2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c index b691d3e1475..787a8f13467 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c @@ -282,7 +282,7 @@ void cpm_uart_freebuf(struct uart_cpm_port *pinfo) } /* Setup any dynamic params in the uart desc */ -int cpm_uart_init_portdesc(void) +int __init cpm_uart_init_portdesc(void) { #if defined(CONFIG_SERIAL_CPM_SMC1) || defined(CONFIG_SERIAL_CPM_SMC2) u32 addr; -- cgit v1.2.3 From 3e00a5aec3d6af687e37f4e7482f5c7ecdcabd0b Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Thu, 16 Nov 2006 14:03:33 +1100 Subject: [POWERPC] Xserve cpu-meter driver This is a small driver for the Xserve G5 CPU-meter blue LEDs on the front-panel. It might work on the Xserve G4 as well though that was not tested. It's pretty basic and could use some improvements if somebody cares doing them. :) Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- drivers/macintosh/Kconfig | 7 + drivers/macintosh/Makefile | 1 + drivers/macintosh/rack-meter.c | 612 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 620 insertions(+) create mode 100644 drivers/macintosh/rack-meter.c (limited to 'drivers') diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 7f8477d3a66..92ccee85e2a 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -228,4 +228,11 @@ config ANSLCD tristate "Support for ANS LCD display" depends on ADB_CUDA && PPC_PMAC +config PMAC_RACKMETER + tristate "Support for Apple XServe front panel LEDs" + depends on PPC_PMAC + help + This driver procides some support to control the front panel + blue LEDs "vu-meter" of the XServer macs. + endmenu diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile index b53d45f87b0..2dfc3f4eaf4 100644 --- a/drivers/macintosh/Makefile +++ b/drivers/macintosh/Makefile @@ -42,3 +42,4 @@ obj-$(CONFIG_WINDFARM_PM112) += windfarm_pm112.o windfarm_smu_sat.o \ windfarm_smu_sensors.o \ windfarm_max6690_sensor.o \ windfarm_lm75_sensor.o windfarm_pid.o +obj-$(CONFIG_PMAC_RACKMETER) += rack-meter.o diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c new file mode 100644 index 00000000000..f1b6f563673 --- /dev/null +++ b/drivers/macintosh/rack-meter.c @@ -0,0 +1,612 @@ +/* + * RackMac vu-meter driver + * + * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. + * + * + * Released under the term of the GNU GPL v2. + * + * Support the CPU-meter LEDs of the Xserve G5 + * + * TODO: Implement PWM to do variable intensity and provide userland + * interface for fun. Also, the CPU-meter could be made nicer by being + * a bit less "immediate" but giving instead a more average load over + * time. Patches welcome :-) + * + */ +#undef DEBUG + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +/* Number of samples in a sample buffer */ +#define SAMPLE_COUNT 256 + +/* CPU meter sampling rate in ms */ +#define CPU_SAMPLING_RATE 250 + +struct rackmeter_dma { + struct dbdma_cmd cmd[4] ____cacheline_aligned; + u32 mark ____cacheline_aligned; + u32 buf1[SAMPLE_COUNT] ____cacheline_aligned; + u32 buf2[SAMPLE_COUNT] ____cacheline_aligned; +} ____cacheline_aligned; + +struct rackmeter_cpu { + struct work_struct sniffer; + cputime64_t prev_wall; + cputime64_t prev_idle; + int zero; +} ____cacheline_aligned; + +struct rackmeter { + struct macio_dev *mdev; + unsigned int irq; + struct device_node *i2s; + u8 *ubuf; + struct dbdma_regs __iomem *dma_regs; + void __iomem *i2s_regs; + dma_addr_t dma_buf_p; + struct rackmeter_dma *dma_buf_v; + int stale_irq; + struct rackmeter_cpu cpu[2]; + int paused; + struct mutex sem; +}; + +/* To be set as a tunable */ +static int rackmeter_ignore_nice; + +/* This GPIO is whacked by the OS X driver when initializing */ +#define RACKMETER_MAGIC_GPIO 0x78 + +/* This is copied from cpufreq_ondemand, maybe we should put it in + * a common header somewhere + */ +static inline cputime64_t get_cpu_idle_time(unsigned int cpu) +{ + cputime64_t retval; + + retval = cputime64_add(kstat_cpu(cpu).cpustat.idle, + kstat_cpu(cpu).cpustat.iowait); + + if (rackmeter_ignore_nice) + retval = cputime64_add(retval, kstat_cpu(cpu).cpustat.nice); + + return retval; +} + +static void rackmeter_setup_i2s(struct rackmeter *rm) +{ + struct macio_chip *macio = rm->mdev->bus->chip; + + /* First whack magic GPIO */ + pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, RACKMETER_MAGIC_GPIO, 5); + + + /* Call feature code to enable the sound channel and the proper + * clock sources + */ + pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, rm->i2s, 0, 1); + + /* Power i2s and stop i2s clock. We whack MacIO FCRs directly for now. + * This is a bit racy, thus we should add new platform functions to + * handle that. snd-aoa needs that too + */ + MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_ENABLE); + MACIO_BIC(KEYLARGO_FCR1, KL1_I2S0_CLK_ENABLE_BIT); + (void)MACIO_IN32(KEYLARGO_FCR1); + udelay(10); + + /* Then setup i2s. For now, we use the same magic value that + * the OS X driver seems to use. We might want to play around + * with the clock divisors later + */ + out_le32(rm->i2s_regs + 0x10, 0x01fa0000); + (void)in_le32(rm->i2s_regs + 0x10); + udelay(10); + + /* Fully restart i2s*/ + MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_CELL_ENABLE | + KL1_I2S0_CLK_ENABLE_BIT); + (void)MACIO_IN32(KEYLARGO_FCR1); + udelay(10); +} + +static void rackmeter_set_default_pattern(struct rackmeter *rm) +{ + int i; + + for (i = 0; i < 16; i++) { + if (i < 8) + rm->ubuf[i] = (i & 1) * 255; + else + rm->ubuf[i] = ((~i) & 1) * 255; + } +} + +static void rackmeter_do_pause(struct rackmeter *rm, int pause) +{ + struct rackmeter_dma *rdma = rm->dma_buf_v; + + pr_debug("rackmeter: %s\n", pause ? "paused" : "started"); + + rm->paused = pause; + if (pause) { + DBDMA_DO_STOP(rm->dma_regs); + return; + } + memset(rdma->buf1, 0, SAMPLE_COUNT & sizeof(u32)); + memset(rdma->buf2, 0, SAMPLE_COUNT & sizeof(u32)); + + rm->dma_buf_v->mark = 0; + + mb(); + out_le32(&rm->dma_regs->cmdptr_hi, 0); + out_le32(&rm->dma_regs->cmdptr, rm->dma_buf_p); + out_le32(&rm->dma_regs->control, (RUN << 16) | RUN); +} + +static void rackmeter_setup_dbdma(struct rackmeter *rm) +{ + struct rackmeter_dma *db = rm->dma_buf_v; + struct dbdma_cmd *cmd = db->cmd; + + /* Make sure dbdma is reset */ + DBDMA_DO_RESET(rm->dma_regs); + + pr_debug("rackmeter: mark offset=0x%lx\n", + offsetof(struct rackmeter_dma, mark)); + pr_debug("rackmeter: buf1 offset=0x%lx\n", + offsetof(struct rackmeter_dma, buf1)); + pr_debug("rackmeter: buf2 offset=0x%lx\n", + offsetof(struct rackmeter_dma, buf2)); + + /* Prepare 4 dbdma commands for the 2 buffers */ + memset(cmd, 0, 4 * sizeof(struct dbdma_cmd)); + st_le16(&cmd->req_count, 4); + st_le16(&cmd->command, STORE_WORD | INTR_ALWAYS | KEY_SYSTEM); + st_le32(&cmd->phy_addr, rm->dma_buf_p + + offsetof(struct rackmeter_dma, mark)); + st_le32(&cmd->cmd_dep, 0x02000000); + cmd++; + + st_le16(&cmd->req_count, SAMPLE_COUNT * 4); + st_le16(&cmd->command, OUTPUT_MORE); + st_le32(&cmd->phy_addr, rm->dma_buf_p + + offsetof(struct rackmeter_dma, buf1)); + cmd++; + + st_le16(&cmd->req_count, 4); + st_le16(&cmd->command, STORE_WORD | INTR_ALWAYS | KEY_SYSTEM); + st_le32(&cmd->phy_addr, rm->dma_buf_p + + offsetof(struct rackmeter_dma, mark)); + st_le32(&cmd->cmd_dep, 0x01000000); + cmd++; + + st_le16(&cmd->req_count, SAMPLE_COUNT * 4); + st_le16(&cmd->command, OUTPUT_MORE | BR_ALWAYS); + st_le32(&cmd->phy_addr, rm->dma_buf_p + + offsetof(struct rackmeter_dma, buf2)); + st_le32(&cmd->cmd_dep, rm->dma_buf_p); + + rackmeter_do_pause(rm, 0); +} + +static void rackmeter_do_timer(void *data) +{ + struct rackmeter *rm = data; + unsigned int cpu = smp_processor_id(); + struct rackmeter_cpu *rcpu = &rm->cpu[cpu]; + cputime64_t cur_jiffies, total_idle_ticks; + unsigned int total_ticks, idle_ticks; + int i, offset, load, cumm, pause; + + cur_jiffies = jiffies64_to_cputime64(get_jiffies_64()); + total_ticks = (unsigned int)cputime64_sub(cur_jiffies, + rcpu->prev_wall); + rcpu->prev_wall = cur_jiffies; + + total_idle_ticks = get_cpu_idle_time(cpu); + idle_ticks = (unsigned int) cputime64_sub(total_idle_ticks, + rcpu->prev_idle); + rcpu->prev_idle = total_idle_ticks; + + /* We do a very dumb calculation to update the LEDs for now, + * we'll do better once we have actual PWM implemented + */ + load = (9 * (total_ticks - idle_ticks)) / total_ticks; + + offset = cpu << 3; + cumm = 0; + for (i = 0; i < 8; i++) { + u8 ub = (load > i) ? 0xff : 0; + rm->ubuf[i + offset] = ub; + cumm |= ub; + } + rcpu->zero = (cumm == 0); + + /* Now check if LEDs are all 0, we can stop DMA */ + pause = (rm->cpu[0].zero && rm->cpu[1].zero); + if (pause != rm->paused) { + mutex_lock(&rm->sem); + pause = (rm->cpu[0].zero && rm->cpu[1].zero); + rackmeter_do_pause(rm, pause); + mutex_unlock(&rm->sem); + } + schedule_delayed_work_on(cpu, &rcpu->sniffer, + msecs_to_jiffies(CPU_SAMPLING_RATE)); +} + +static void __devinit rackmeter_init_cpu_sniffer(struct rackmeter *rm) +{ + unsigned int cpu; + + /* This driver works only with 1 or 2 CPUs numbered 0 and 1, + * but that's really all we have on Apple Xserve. It doesn't + * play very nice with CPU hotplug neither but we don't do that + * on those machines yet + */ + + INIT_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer, rm); + INIT_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer, rm); + + for_each_online_cpu(cpu) { + struct rackmeter_cpu *rcpu; + + if (cpu > 1) + continue; + rcpu = &rm->cpu[cpu];; + rcpu->prev_idle = get_cpu_idle_time(cpu); + rcpu->prev_wall = jiffies64_to_cputime64(get_jiffies_64()); + schedule_delayed_work_on(cpu, &rm->cpu[cpu].sniffer, + msecs_to_jiffies(CPU_SAMPLING_RATE)); + } +} + +static void __devexit rackmeter_stop_cpu_sniffer(struct rackmeter *rm) +{ + cancel_rearming_delayed_work(&rm->cpu[0].sniffer); + cancel_rearming_delayed_work(&rm->cpu[1].sniffer); +} + +static int rackmeter_setup(struct rackmeter *rm) +{ + pr_debug("rackmeter: setting up i2s..\n"); + rackmeter_setup_i2s(rm); + + pr_debug("rackmeter: setting up default pattern..\n"); + rackmeter_set_default_pattern(rm); + + pr_debug("rackmeter: setting up dbdma..\n"); + rackmeter_setup_dbdma(rm); + + pr_debug("rackmeter: start CPU measurements..\n"); + rackmeter_init_cpu_sniffer(rm); + + printk(KERN_INFO "RackMeter initialized\n"); + + return 0; +} + +/* XXX FIXME: No PWM yet, this is 0/1 */ +static u32 rackmeter_calc_sample(struct rackmeter *rm, unsigned int index) +{ + int led; + u32 sample = 0; + + for (led = 0; led < 16; led++) { + sample >>= 1; + sample |= ((rm->ubuf[led] >= 0x80) << 15); + } + return (sample << 17) | (sample >> 15); +} + +static irqreturn_t rackmeter_irq(int irq, void *arg) +{ + struct rackmeter *rm = arg; + struct rackmeter_dma *db = rm->dma_buf_v; + unsigned int mark, i; + u32 *buf; + + /* Flush PCI buffers with an MMIO read. Maybe we could actually + * check the status one day ... in case things go wrong, though + * this never happened to me + */ + (void)in_le32(&rm->dma_regs->status); + + /* Make sure the CPU gets us in order */ + rmb(); + + /* Read mark */ + mark = db->mark; + if (mark != 1 && mark != 2) { + printk(KERN_WARNING "rackmeter: Incorrect DMA mark 0x%08x\n", + mark); + /* We allow for 3 errors like that (stale DBDMA irqs) */ + if (++rm->stale_irq > 3) { + printk(KERN_ERR "rackmeter: Too many errors," + " stopping DMA\n"); + DBDMA_DO_RESET(rm->dma_regs); + } + return IRQ_HANDLED; + } + + /* Next buffer we need to fill is mark value */ + buf = mark == 1 ? db->buf1 : db->buf2; + + /* Fill it now. This routine converts the 8 bits depth sample array + * into the PWM bitmap for each LED. + */ + for (i = 0; i < SAMPLE_COUNT; i++) + buf[i] = rackmeter_calc_sample(rm, i); + + + return IRQ_HANDLED; +} + +static int __devinit rackmeter_probe(struct macio_dev* mdev, + const struct of_device_id *match) +{ + struct device_node *i2s = NULL, *np = NULL; + struct rackmeter *rm = NULL; + struct resource ri2s, rdma; + int rc = -ENODEV; + + pr_debug("rackmeter_probe()\n"); + + /* Get i2s-a node */ + while ((i2s = of_get_next_child(mdev->ofdev.node, i2s)) != NULL) + if (strcmp(i2s->name, "i2s-a") == 0) + break; + if (i2s == NULL) { + pr_debug(" i2s-a child not found\n"); + goto bail; + } + /* Get lightshow or virtual sound */ + while ((np = of_get_next_child(i2s, np)) != NULL) { + if (strcmp(np->name, "lightshow") == 0) + break; + if ((strcmp(np->name, "sound") == 0) && + get_property(np, "virtual", NULL) != NULL) + break; + } + if (np == NULL) { + pr_debug(" lightshow or sound+virtual child not found\n"); + goto bail; + } + + /* Create and initialize our instance data */ + rm = kzalloc(sizeof(struct rackmeter), GFP_KERNEL); + if (rm == NULL) { + printk(KERN_ERR "rackmeter: failed to allocate memory !\n"); + rc = -ENOMEM; + goto bail_release; + } + rm->mdev = mdev; + rm->i2s = i2s; + mutex_init(&rm->sem); + dev_set_drvdata(&mdev->ofdev.dev, rm); + /* Check resources availability. We need at least resource 0 and 1 */ +#if 0 /* Use that when i2s-a is finally an mdev per-se */ + if (macio_resource_count(mdev) < 2 || macio_irq_count(mdev) < 2) { + printk(KERN_ERR + "rackmeter: found match but lacks resources: %s" + " (%d resources, %d interrupts)\n", + mdev->ofdev.node->full_name); + rc = -ENXIO; + goto bail_free; + } + if (macio_request_resources(mdev, "rackmeter")) { + printk(KERN_ERR + "rackmeter: failed to request resources: %s\n", + mdev->ofdev.node->full_name); + rc = -EBUSY; + goto bail_free; + } + rm->irq = macio_irq(mdev, 1); +#else + rm->irq = irq_of_parse_and_map(i2s, 1); + if (rm->irq == NO_IRQ || + of_address_to_resource(i2s, 0, &ri2s) || + of_address_to_resource(i2s, 1, &rdma)) { + printk(KERN_ERR + "rackmeter: found match but lacks resources: %s", + mdev->ofdev.node->full_name); + rc = -ENXIO; + goto bail_free; + } +#endif + + pr_debug(" i2s @0x%08x\n", (unsigned int)ri2s.start); + pr_debug(" dma @0x%08x\n", (unsigned int)rdma.start); + pr_debug(" irq %d\n", rm->irq); + + rm->ubuf = (u8 *)__get_free_page(GFP_KERNEL); + if (rm->ubuf == NULL) { + printk(KERN_ERR + "rackmeter: failed to allocate samples page !\n"); + rc = -ENOMEM; + goto bail_release; + } + + rm->dma_buf_v = dma_alloc_coherent(&macio_get_pci_dev(mdev)->dev, + sizeof(struct rackmeter_dma), + &rm->dma_buf_p, GFP_KERNEL); + if (rm->dma_buf_v == NULL) { + printk(KERN_ERR + "rackmeter: failed to allocate dma buffer !\n"); + rc = -ENOMEM; + goto bail_free_samples; + } +#if 0 + rm->i2s_regs = ioremap(macio_resource_start(mdev, 0), 0x1000); +#else + rm->i2s_regs = ioremap(ri2s.start, 0x1000); +#endif + if (rm->i2s_regs == NULL) { + printk(KERN_ERR + "rackmeter: failed to map i2s registers !\n"); + rc = -ENXIO; + goto bail_free_dma; + } +#if 0 + rm->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x100); +#else + rm->dma_regs = ioremap(rdma.start, 0x100); +#endif + if (rm->dma_regs == NULL) { + printk(KERN_ERR + "rackmeter: failed to map dma registers !\n"); + rc = -ENXIO; + goto bail_unmap_i2s; + } + + rc = rackmeter_setup(rm); + if (rc) { + printk(KERN_ERR + "rackmeter: failed to initialize !\n"); + rc = -ENXIO; + goto bail_unmap_dma; + } + + rc = request_irq(rm->irq, rackmeter_irq, 0, "rackmeter", rm); + if (rc != 0) { + printk(KERN_ERR + "rackmeter: failed to request interrupt !\n"); + goto bail_stop_dma; + } + of_node_put(np); + return 0; + + bail_stop_dma: + DBDMA_DO_RESET(rm->dma_regs); + bail_unmap_dma: + iounmap(rm->dma_regs); + bail_unmap_i2s: + iounmap(rm->i2s_regs); + bail_free_dma: + dma_free_coherent(&macio_get_pci_dev(mdev)->dev, + sizeof(struct rackmeter_dma), + rm->dma_buf_v, rm->dma_buf_p); + bail_free_samples: + free_page((unsigned long)rm->ubuf); + bail_release: +#if 0 + macio_release_resources(mdev); +#endif + bail_free: + kfree(rm); + bail: + of_node_put(i2s); + of_node_put(np); + dev_set_drvdata(&mdev->ofdev.dev, NULL); + return rc; +} + +static int __devexit rackmeter_remove(struct macio_dev* mdev) +{ + struct rackmeter *rm = dev_get_drvdata(&mdev->ofdev.dev); + + /* Stop CPU sniffer timer & work queues */ + rackmeter_stop_cpu_sniffer(rm); + + /* Clear reference to private data */ + dev_set_drvdata(&mdev->ofdev.dev, NULL); + + /* Stop/reset dbdma */ + DBDMA_DO_RESET(rm->dma_regs); + + /* Release the IRQ */ + free_irq(rm->irq, rm); + + /* Unmap registers */ + iounmap(rm->dma_regs); + iounmap(rm->i2s_regs); + + /* Free DMA */ + dma_free_coherent(&macio_get_pci_dev(mdev)->dev, + sizeof(struct rackmeter_dma), + rm->dma_buf_v, rm->dma_buf_p); + + /* Free samples */ + free_page((unsigned long)rm->ubuf); + +#if 0 + /* Release resources */ + macio_release_resources(mdev); +#endif + + /* Get rid of me */ + kfree(rm); + + return 0; +} + +static int rackmeter_shutdown(struct macio_dev* mdev) +{ + struct rackmeter *rm = dev_get_drvdata(&mdev->ofdev.dev); + + if (rm == NULL) + return -ENODEV; + + /* Stop CPU sniffer timer & work queues */ + rackmeter_stop_cpu_sniffer(rm); + + /* Stop/reset dbdma */ + DBDMA_DO_RESET(rm->dma_regs); + + return 0; +} + +static struct of_device_id rackmeter_match[] = { + { .name = "i2s" }, + { } +}; + +static struct macio_driver rackmeter_drv = { + .name = "rackmeter", + .owner = THIS_MODULE, + .match_table = rackmeter_match, + .probe = rackmeter_probe, + .remove = rackmeter_remove, + .shutdown = rackmeter_shutdown, +}; + + +static int __init rackmeter_init(void) +{ + pr_debug("rackmeter_init()\n"); + + return macio_register_driver(&rackmeter_drv); +} + +static void __exit rackmeter_exit(void) +{ + pr_debug("rackmeter_exit()\n"); + + macio_unregister_driver(&rackmeter_drv); +} + +module_init(rackmeter_init); +module_exit(rackmeter_exit); + + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Benjamin Herrenschmidt "); +MODULE_DESCRIPTION("RackMeter: Support vu-meter on XServe front panel"); -- cgit v1.2.3 From a3d4d6435b56eb0b6ff4f88e5a513cfccfb3e770 Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Thu, 23 Nov 2006 00:47:00 +0100 Subject: [POWERPC] ps3: add ps3 platform system bus support Adds a PS3 system bus driver. This system bus is a virtual bus used to present the PS3 system devices in the LDM. Signed-off-by: Geoff Levand Signed-off-by: Arnd Bergmann --- drivers/Makefile | 1 + drivers/ps3/Makefile | 1 + drivers/ps3/system-bus.c | 358 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 360 insertions(+) create mode 100644 drivers/ps3/Makefile create mode 100644 drivers/ps3/system-bus.c (limited to 'drivers') diff --git a/drivers/Makefile b/drivers/Makefile index 4ac14dab307..a47d2483b7a 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -77,3 +77,4 @@ obj-$(CONFIG_CRYPTO) += crypto/ obj-$(CONFIG_SUPERH) += sh/ obj-$(CONFIG_GENERIC_TIME) += clocksource/ obj-$(CONFIG_DMA_ENGINE) += dma/ +obj-$(CONFIG_PS3) += ps3/ diff --git a/drivers/ps3/Makefile b/drivers/ps3/Makefile new file mode 100644 index 00000000000..b52d547b7a7 --- /dev/null +++ b/drivers/ps3/Makefile @@ -0,0 +1 @@ +obj-y += system-bus.o diff --git a/drivers/ps3/system-bus.c b/drivers/ps3/system-bus.c new file mode 100644 index 00000000000..e19992c4db4 --- /dev/null +++ b/drivers/ps3/system-bus.c @@ -0,0 +1,358 @@ +/* + * PS3 system bus driver. + * + * Copyright (C) 2006 Sony Computer Entertainment Inc. + * Copyright 2006 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include + +#include +#include +#include + +#define dump_mmio_region(_a) _dump_mmio_region(_a, __func__, __LINE__) +static void _dump_mmio_region(const struct ps3_mmio_region* r, + const char* func, int line) +{ + pr_debug("%s:%d: dev %u:%u\n", func, line, r->did.bus_id, + r->did.dev_id); + pr_debug("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr); + pr_debug("%s:%d: len %lxh\n", func, line, r->len); + pr_debug("%s:%d: lpar_addr %lxh\n", func, line, r->lpar_addr); +} + +int ps3_mmio_region_create(struct ps3_mmio_region *r) +{ + int result; + + result = lv1_map_device_mmio_region(r->did.bus_id, r->did.dev_id, + r->bus_addr, r->len, r->page_size, &r->lpar_addr); + + if (result) { + pr_debug("%s:%d: lv1_map_device_mmio_region failed: %s\n", + __func__, __LINE__, ps3_result(result)); + r->lpar_addr = r->len = r->bus_addr = 0; + } + + dump_mmio_region(r); + return result; +} + +int ps3_free_mmio_region(struct ps3_mmio_region *r) +{ + int result; + + result = lv1_unmap_device_mmio_region(r->did.bus_id, r->did.dev_id, + r->bus_addr); + + if (result) + pr_debug("%s:%d: lv1_unmap_device_mmio_region failed: %s\n", + __func__, __LINE__, ps3_result(result)); + + r->lpar_addr = r->len = r->bus_addr = 0; + return result; +} + +static int ps3_system_bus_match(struct device *_dev, + struct device_driver *_drv) +{ + int result; + struct ps3_system_bus_driver *drv = to_ps3_system_bus_driver(_drv); + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + + result = dev->match_id == drv->match_id; + + pr_info("%s:%d: dev=%u(%s), drv=%u(%s): %s\n", __func__, __LINE__, + dev->match_id, dev->core.bus_id, drv->match_id, drv->core.name, + (result ? "match" : "miss")); + return result; +} + +static int ps3_system_bus_probe(struct device *_dev) +{ + int result; + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_driver *drv = + to_ps3_system_bus_driver(_dev->driver); + + result = lv1_open_device(dev->did.bus_id, dev->did.dev_id, 0); + + if (result) { + pr_debug("%s:%d: lv1_open_device failed (%d)\n", + __func__, __LINE__, result); + result = -EACCES; + goto clean_none; + } + + if (dev->d_region->did.bus_id) { + result = ps3_dma_region_create(dev->d_region); + + if (result) { + pr_debug("%s:%d: ps3_dma_region_create failed (%d)\n", + __func__, __LINE__, result); + BUG_ON("check region type"); + result = -EINVAL; + goto clean_device; + } + } + + BUG_ON(!drv); + + if (drv->probe) + result = drv->probe(dev); + else + pr_info("%s:%d: %s no probe method\n", __func__, __LINE__, + dev->core.bus_id); + + if (result) { + pr_debug("%s:%d: drv->probe failed\n", __func__, __LINE__); + goto clean_dma; + } + + return result; + +clean_dma: + ps3_dma_region_free(dev->d_region); +clean_device: + lv1_close_device(dev->did.bus_id, dev->did.dev_id); +clean_none: + return result; +} + +static int ps3_system_bus_remove(struct device *_dev) +{ + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_driver *drv = + to_ps3_system_bus_driver(_dev->driver); + + if (drv->remove) + drv->remove(dev); + else + pr_info("%s:%d: %s no remove method\n", __func__, __LINE__, + dev->core.bus_id); + + ps3_dma_region_free(dev->d_region); + ps3_free_mmio_region(dev->m_region); + lv1_close_device(dev->did.bus_id, dev->did.dev_id); + + return 0; +} + +struct bus_type ps3_system_bus_type = { + .name = "ps3_system_bus", + .match = ps3_system_bus_match, + .probe = ps3_system_bus_probe, + .remove = ps3_system_bus_remove, +}; + +int __init ps3_system_bus_init(void) +{ + int result; + + result = bus_register(&ps3_system_bus_type); + BUG_ON(result); + return result; +} + +core_initcall(ps3_system_bus_init); + +/* Allocates a contiguous real buffer and creates mappings over it. + * Returns the virtual address of the buffer and sets dma_handle + * to the dma address (mapping) of the first page. + */ + +static void * ps3_alloc_coherent(struct device *_dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag) +{ + int result; + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + unsigned long virt_addr; + + BUG_ON(!dev->d_region->bus_addr); + + flag &= ~(__GFP_DMA | __GFP_HIGHMEM); + flag |= __GFP_ZERO; + + virt_addr = __get_free_pages(flag, get_order(size)); + + if (!virt_addr) { + pr_debug("%s:%d: get_free_pages failed\n", __func__, __LINE__); + goto clean_none; + } + + result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle); + + if (result) { + pr_debug("%s:%d: ps3_dma_map failed (%d)\n", + __func__, __LINE__, result); + BUG_ON("check region type"); + goto clean_alloc; + } + + return (void*)virt_addr; + +clean_alloc: + free_pages(virt_addr, get_order(size)); +clean_none: + dma_handle = NULL; + return NULL; +} + +static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr, + dma_addr_t dma_handle) +{ + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + + ps3_dma_unmap(dev->d_region, dma_handle, size); + free_pages((unsigned long)vaddr, get_order(size)); +} + +/* Creates TCEs for a user provided buffer. The user buffer must be + * contiguous real kernel storage (not vmalloc). The address of the buffer + * passed here is the kernel (virtual) address of the buffer. The buffer + * need not be page aligned, the dma_addr_t returned will point to the same + * byte within the page as vaddr. + */ + +static dma_addr_t ps3_map_single(struct device *_dev, void *ptr, size_t size, + enum dma_data_direction direction) +{ + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + int result; + unsigned long bus_addr; + + result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size, + &bus_addr); + + if (result) { + pr_debug("%s:%d: ps3_dma_map failed (%d)\n", + __func__, __LINE__, result); + } + + return bus_addr; +} + +static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction direction) +{ + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + int result; + + result = ps3_dma_unmap(dev->d_region, dma_addr, size); + + if (result) { + pr_debug("%s:%d: ps3_dma_unmap failed (%d)\n", + __func__, __LINE__, result); + } +} + +static int ps3_map_sg(struct device *_dev, struct scatterlist *sg, int nents, + enum dma_data_direction direction) +{ +#if defined(CONFIG_PS3_DYNAMIC_DMA) + BUG_ON("do"); +#endif + return 0; +} + +static void ps3_unmap_sg(struct device *_dev, struct scatterlist *sg, + int nents, enum dma_data_direction direction) +{ +#if defined(CONFIG_PS3_DYNAMIC_DMA) + BUG_ON("do"); +#endif +} + +static int ps3_dma_supported(struct device *_dev, u64 mask) +{ + return 1; +} + +static struct dma_mapping_ops ps3_dma_ops = { + .alloc_coherent = ps3_alloc_coherent, + .free_coherent = ps3_free_coherent, + .map_single = ps3_map_single, + .unmap_single = ps3_unmap_single, + .map_sg = ps3_map_sg, + .unmap_sg = ps3_unmap_sg, + .dma_supported = ps3_dma_supported +}; + +/** + * ps3_system_bus_release_device - remove a device from the system bus + */ + +static void ps3_system_bus_release_device(struct device *_dev) +{ + struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + kfree(dev); +} + +/** + * ps3_system_bus_device_register - add a device to the system bus + * + * ps3_system_bus_device_register() expects the dev object to be allocated + * dynamically by the caller. The system bus takes ownership of the dev + * object and frees the object in ps3_system_bus_release_device(). + */ + +int ps3_system_bus_device_register(struct ps3_system_bus_device *dev) +{ + int result; + static unsigned int dev_count = 1; + + dev->core.parent = NULL; + dev->core.bus = &ps3_system_bus_type; + dev->core.release = ps3_system_bus_release_device; + + dev->core.archdata.of_node = NULL; + dev->core.archdata.dma_ops = &ps3_dma_ops; + dev->core.archdata.numa_node = 0; + + snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), "sb_%02x", + dev_count++); + + pr_debug("%s:%d add %s\n", __func__, __LINE__, dev->core.bus_id); + + result = device_register(&dev->core); + return result; +} + +EXPORT_SYMBOL_GPL(ps3_system_bus_device_register); + +int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv) +{ + int result; + + drv->core.bus = &ps3_system_bus_type; + + result = driver_register(&drv->core); + return result; +} + +EXPORT_SYMBOL_GPL(ps3_system_bus_driver_register); + +void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv) +{ + driver_unregister(&drv->core); +} + +EXPORT_SYMBOL_GPL(ps3_system_bus_driver_unregister); -- cgit v1.2.3 From eb30c72026500f9efa9bb23ab2393d6a9e36c5e1 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 27 Nov 2006 19:18:56 +0100 Subject: [POWERPC] ps3: Missed renames of CONFIG_PS3 to CONFIG_PPC_PS3 When renaming CONFIG_PS3 to CONFIG_PPC_PS3, a few occurrences have been missed. I also fixed up the alignment in arch/powerpc/platforms/Makefile. Signed-off-by: Geert Uytterhoeven Signed-off-by: Arnd Bergmann --- drivers/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/Makefile b/drivers/Makefile index a47d2483b7a..67711770b1d 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -77,4 +77,4 @@ obj-$(CONFIG_CRYPTO) += crypto/ obj-$(CONFIG_SUPERH) += sh/ obj-$(CONFIG_GENERIC_TIME) += clocksource/ obj-$(CONFIG_DMA_ENGINE) += dma/ -obj-$(CONFIG_PS3) += ps3/ +obj-$(CONFIG_PPC_PS3) += ps3/ -- cgit v1.2.3 From e22ba7e38144c1cccac5024cfd6ec88bb64d3e1f Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 27 Nov 2006 19:18:57 +0100 Subject: [POWERPC] ps3: multiplatform build fixes A few code paths need to check whether or not they are running on the PS3's LV1 hypervisor before making hcalls. This introduces a new firmware feature bit for this, FW_FEATURE_PS3_LV1. Now when both PS3 and IBM_CELL_BLADE are enabled, but not PSERIES, FW_FEATURE_PS3_LV1 and FW_FEATURE_LPAR get enabled at compile time, which is a bug. The same problem can also happen for (PPC_ISERIES && !PPC_PSERIES && PPC_SOMETHING_ELSE). In order to solve this, I introduce a new CONFIG_PPC_NATIVE option that is set when at least one platform is selected that can run without a hypervisor and then turns the firmware feature check into a run-time option. The new cell oprofile support that was recently merged does not work on hypervisor based platforms like the PS3, therefore make it depend on PPC_CELL_NATIVE instead of PPC_CELL. This may change if we get oprofile support for PS3. Signed-off-by: Arnd Bergmann --- drivers/ps3/system-bus.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/ps3/system-bus.c b/drivers/ps3/system-bus.c index e19992c4db4..d79f949bcb2 100644 --- a/drivers/ps3/system-bus.c +++ b/drivers/ps3/system-bus.c @@ -27,6 +27,7 @@ #include #include #include +#include #define dump_mmio_region(_a) _dump_mmio_region(_a, __func__, __LINE__) static void _dump_mmio_region(const struct ps3_mmio_region* r, @@ -167,6 +168,9 @@ int __init ps3_system_bus_init(void) { int result; + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return 0; + result = bus_register(&ps3_system_bus_type); BUG_ON(result); return result; -- cgit v1.2.3 From c2f5ccfbd5198cadd03d8c4bb0e28175b78cd910 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Mon, 4 Dec 2006 09:37:20 +0100 Subject: [ARM] 3973/1: AT91: Serial driver compile fix 1. The CPU identification has moved from to . 2. AT91RM9200_BASE_US0 is only defined if we are compiling in support for the AT91RM9200. Therefore we need to replace the CONFIG_ARM ifdef with CONFIG_ARCH_AT91RM9200 Signed-off-by: Andrew Victor Signed-off-by: Russell King --- drivers/serial/atmel_serial.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index f930df042f9..9217ee6c786 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -1,5 +1,5 @@ /* - * linux/drivers/char/at91_serial.c + * linux/drivers/char/atmel_serial.c * * Driver for Atmel AT91 / AT32 Serial ports * Copyright (C) 2003 Rick Bronson @@ -40,7 +40,7 @@ #include #include #ifdef CONFIG_ARM -#include +#include #include #endif @@ -137,7 +137,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) unsigned int control = 0; unsigned int mode; -#ifdef CONFIG_ARM +#ifdef CONFIG_ARCH_AT91RM9200 if (cpu_is_at91rm9200()) { /* * AT91RM9200 Errata #39: RTS0 is not internally connected to PA21. -- cgit v1.2.3 From d707572695e47aae3ac5eb92abb9d2a8c40f7a4e Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Mon, 4 Dec 2006 12:53:11 +0100 Subject: [ARM] 3975/1: AT91: Comments in atmel_serial.h Updated some of the comments in the atmel_serial.h header detailing which bits are only available on the AT91RM9200 or the AT91SAM9xx processors. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- drivers/serial/atmel_serial.h | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/atmel_serial.h b/drivers/serial/atmel_serial.h index eced2ad1a8d..fe1763b2a6d 100644 --- a/drivers/serial/atmel_serial.h +++ b/drivers/serial/atmel_serial.h @@ -31,8 +31,8 @@ #define ATMEL_US_RSTIT (1 << 13) /* Reset Iterations */ #define ATMEL_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */ #define ATMEL_US_RETTO (1 << 15) /* Rearm Time-out */ -#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable */ -#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */ +#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable [AT91RM9200 only] */ +#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable [AT91RM9200 only] */ #define ATMEL_US_RTSEN (1 << 18) /* Request To Send Enable */ #define ATMEL_US_RTSDIS (1 << 19) /* Request To Send Disable */ @@ -92,9 +92,9 @@ #define ATMEL_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */ #define ATMEL_US_RXBUFF (1 << 12) /* Reception Buffer Full */ #define ATMEL_US_NACK (1 << 13) /* Non Acknowledge */ -#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change */ -#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change */ -#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */ +#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change [AT91RM9200 only] */ +#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change [AT91RM9200 only] */ +#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change [AT91RM9200 only] */ #define ATMEL_US_CTSIC (1 << 19) /* Clear to Send Input Change */ #define ATMEL_US_RI (1 << 20) /* RI */ #define ATMEL_US_DSR (1 << 21) /* DSR */ @@ -106,6 +106,7 @@ #define ATMEL_US_CSR 0x14 /* Channel Status Register */ #define ATMEL_US_RHR 0x18 /* Receiver Holding Register */ #define ATMEL_US_THR 0x1c /* Transmitter Holding Register */ +#define ATMEL_US_SYNH (1 << 15) /* Transmit/Receive Sync [SAM9 only] */ #define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */ #define ATMEL_US_CD (0xffff << 0) /* Clock Divider */ -- cgit v1.2.3 From 01376f4495840f3daf6d73679242b5964fc9603b Mon Sep 17 00:00:00 2001 From: Horst Hummel Date: Mon, 4 Dec 2006 15:39:50 +0100 Subject: [S390] handle incorrect values when writing to dasd sysfs attributes. When writing to dasd attributes (e.g. readonly), all values besides '1' are handled like '0'. Other sysfs-attributes like 'online' are checking for '1' and for '0' and do not accept other values. Therefore enhanced checking and error handling in dasd_devmap attribute store functions. Signed-off-by: Horst Hummel Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd_devmap.c | 43 +++++++++++++++++++++++++++------------- 1 file changed, 29 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 91cf971f065..b5e70c52392 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -684,21 +684,26 @@ dasd_ro_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dasd_devmap *devmap; - int ro_flag; + int val; + char *endp; devmap = dasd_devmap_from_cdev(to_ccwdev(dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); - ro_flag = buf[0] == '1'; + + val = simple_strtoul(buf, &endp, 0); + if (((endp + 1) < (buf + count)) || (val > 1)) + return -EINVAL; + spin_lock(&dasd_devmap_lock); - if (ro_flag) + if (val) devmap->features |= DASD_FEATURE_READONLY; else devmap->features &= ~DASD_FEATURE_READONLY; if (devmap->device) devmap->device->features = devmap->features; if (devmap->device && devmap->device->gdp) - set_disk_ro(devmap->device->gdp, ro_flag); + set_disk_ro(devmap->device->gdp, val); spin_unlock(&dasd_devmap_lock); return count; } @@ -729,17 +734,22 @@ dasd_use_diag_store(struct device *dev, struct device_attribute *attr, { struct dasd_devmap *devmap; ssize_t rc; - int use_diag; + int val; + char *endp; devmap = dasd_devmap_from_cdev(to_ccwdev(dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); - use_diag = buf[0] == '1'; + + val = simple_strtoul(buf, &endp, 0); + if (((endp + 1) < (buf + count)) || (val > 1)) + return -EINVAL; + spin_lock(&dasd_devmap_lock); /* Changing diag discipline flag is only allowed in offline state. */ rc = count; if (!devmap->device) { - if (use_diag) + if (val) devmap->features |= DASD_FEATURE_USEDIAG; else devmap->features &= ~DASD_FEATURE_USEDIAG; @@ -854,20 +864,25 @@ dasd_eer_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dasd_devmap *devmap; - int rc; + int val, rc; + char *endp; devmap = dasd_devmap_from_cdev(to_ccwdev(dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); if (!devmap->device) - return count; - if (buf[0] == '1') { + return -ENODEV; + + val = simple_strtoul(buf, &endp, 0); + if (((endp + 1) < (buf + count)) || (val > 1)) + return -EINVAL; + + rc = count; + if (val) rc = dasd_eer_enable(devmap->device); - if (rc) - return rc; - } else + else dasd_eer_disable(devmap->device); - return count; + return rc; } static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store); -- cgit v1.2.3 From 520a4e3728c214db6e91ade7b70443c2b9382de0 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Mon, 4 Dec 2006 15:40:07 +0100 Subject: [S390] 3215 device locking. Remove lock pointer from 3215 device structure. Use get_ccwdev_lock for each use of the lock in the ccw-device structure. Signed-off-by: Martin Schwidefsky --- drivers/s390/char/con3215.c | 50 ++++++++++++++++++++++----------------------- 1 file changed, 24 insertions(+), 26 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index d7de175d53f..c9321b920e9 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -299,14 +299,14 @@ raw3215_timeout(unsigned long __data) struct raw3215_info *raw = (struct raw3215_info *) __data; unsigned long flags; - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); if (raw->flags & RAW3215_TIMER_RUNS) { del_timer(&raw->timer); raw->flags &= ~RAW3215_TIMER_RUNS; raw3215_mk_write_req(raw); raw3215_start_io(raw); } - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } /* @@ -355,10 +355,10 @@ raw3215_tasklet(void *data) unsigned long flags; raw = (struct raw3215_info *) data; - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw3215_mk_write_req(raw); raw3215_try_io(raw); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); /* Check for pending message from raw3215_irq */ if (raw->message != NULL) { printk(raw->message, raw->msg_dstat, raw->msg_cstat); @@ -512,9 +512,9 @@ raw3215_make_room(struct raw3215_info *raw, unsigned int length) if (RAW3215_BUFFER_SIZE - raw->count >= length) break; /* there might be another cpu waiting for the lock */ - spin_unlock(raw->lock); + spin_unlock(get_ccwdev_lock(raw->cdev)); udelay(100); - spin_lock(raw->lock); + spin_lock(get_ccwdev_lock(raw->cdev)); } } @@ -528,7 +528,7 @@ raw3215_write(struct raw3215_info *raw, const char *str, unsigned int length) int c, count; while (length > 0) { - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); count = (length > RAW3215_BUFFER_SIZE) ? RAW3215_BUFFER_SIZE : length; length -= count; @@ -555,7 +555,7 @@ raw3215_write(struct raw3215_info *raw, const char *str, unsigned int length) /* start or queue request */ raw3215_try_io(raw); } - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } } @@ -568,7 +568,7 @@ raw3215_putchar(struct raw3215_info *raw, unsigned char ch) unsigned long flags; unsigned int length, i; - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); if (ch == '\t') { length = TAB_STOP_SIZE - (raw->line_pos%TAB_STOP_SIZE); raw->line_pos += length; @@ -592,7 +592,7 @@ raw3215_putchar(struct raw3215_info *raw, unsigned char ch) /* start or queue request */ raw3215_try_io(raw); } - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } /* @@ -604,13 +604,13 @@ raw3215_flush_buffer(struct raw3215_info *raw) { unsigned long flags; - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); if (raw->count > 0) { raw->flags |= RAW3215_FLUSHING; raw3215_try_io(raw); raw->flags &= ~RAW3215_FLUSHING; } - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } /* @@ -625,9 +625,9 @@ raw3215_startup(struct raw3215_info *raw) return 0; raw->line_pos = 0; raw->flags |= RAW3215_ACTIVE; - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw3215_try_io(raw); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); return 0; } @@ -644,21 +644,21 @@ raw3215_shutdown(struct raw3215_info *raw) if (!(raw->flags & RAW3215_ACTIVE) || (raw->flags & RAW3215_FIXED)) return; /* Wait for outstanding requests, then free irq */ - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); if ((raw->flags & RAW3215_WORKING) || raw->queued_write != NULL || raw->queued_read != NULL) { raw->flags |= RAW3215_CLOSING; add_wait_queue(&raw->empty_wait, &wait); set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); schedule(); - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); remove_wait_queue(&raw->empty_wait, &wait); set_current_state(TASK_RUNNING); raw->flags &= ~(RAW3215_ACTIVE | RAW3215_CLOSING); } - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } static int @@ -686,7 +686,6 @@ raw3215_probe (struct ccw_device *cdev) } raw->cdev = cdev; - raw->lock = get_ccwdev_lock(cdev); raw->inbuf = (char *) raw + sizeof(struct raw3215_info); memset(raw, 0, sizeof(struct raw3215_info)); raw->buffer = (char *) kmalloc(RAW3215_BUFFER_SIZE, @@ -809,9 +808,9 @@ con3215_unblank(void) unsigned long flags; raw = raw3215[0]; /* console 3215 is the first one */ - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw3215_make_room(raw, RAW3215_BUFFER_SIZE); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } static int __init @@ -873,7 +872,6 @@ con3215_init(void) raw->buffer = (char *) alloc_bootmem_low(RAW3215_BUFFER_SIZE); raw->inbuf = (char *) alloc_bootmem_low(RAW3215_INBUF_SIZE); raw->cdev = cdev; - raw->lock = get_ccwdev_lock(cdev); cdev->dev.driver_data = raw; cdev->handler = raw3215_irq; @@ -1066,10 +1064,10 @@ tty3215_unthrottle(struct tty_struct * tty) raw = (struct raw3215_info *) tty->driver_data; if (raw->flags & RAW3215_THROTTLED) { - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw->flags &= ~RAW3215_THROTTLED; raw3215_try_io(raw); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } } @@ -1096,10 +1094,10 @@ tty3215_start(struct tty_struct *tty) raw = (struct raw3215_info *) tty->driver_data; if (raw->flags & RAW3215_STOPPED) { - spin_lock_irqsave(raw->lock, flags); + spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw->flags &= ~RAW3215_STOPPED; raw3215_try_io(raw); - spin_unlock_irqrestore(raw->lock, flags); + spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } } -- cgit v1.2.3 From 66a4263b991097397823b46377a43ae35541ec26 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 4 Dec 2006 15:40:10 +0100 Subject: [S390] Add MODALIAS= to the uevent for the ap bus. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/crypto/ap_bus.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 79d89c36891..6a54334ffe0 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -431,7 +431,15 @@ static int ap_uevent (struct device *dev, char **envp, int num_envp, ap_dev->device_type); if (buffer_size - length <= 0) return -ENOMEM; - envp[1] = 0; + buffer += length; + buffer_size -= length; + /* Add MODALIAS= */ + envp[1] = buffer; + length = scnprintf(buffer, buffer_size, "MODALIAS=ap:t%02X", + ap_dev->device_type); + if (buffer_size - length <= 0) + return -ENOMEM; + envp[2] = NULL; return 0; } -- cgit v1.2.3 From 29145a6c8cda3238049937612365e80b53c3f266 Mon Sep 17 00:00:00 2001 From: Horst Hummel Date: Mon, 4 Dec 2006 15:40:15 +0100 Subject: [S390] Enhanced handling of failed termination requests. In case a request timed out and termination did not work, the console was flooded with retry messages (every 1/10s). Now we use a 5s delay per retry and generate a more precise message. Signed-off-by: Horst Hummel Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 79ffef6bfaf..a2cef57d7bc 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1264,15 +1264,21 @@ __dasd_check_expire(struct dasd_device * device) if (list_empty(&device->ccw_queue)) return; cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, list); - if (cqr->status == DASD_CQR_IN_IO && cqr->expires != 0) { - if (time_after_eq(jiffies, cqr->expires + cqr->starttime)) { + if ((cqr->status == DASD_CQR_IN_IO && cqr->expires != 0) && + (time_after_eq(jiffies, cqr->expires + cqr->starttime))) { + if (device->discipline->term_IO(cqr) != 0) { + /* Hmpf, try again in 5 sec */ + dasd_set_timer(device, 5*HZ); + DEV_MESSAGE(KERN_ERR, device, + "internal error - timeout (%is) expired " + "for cqr %p, termination failed, " + "retrying in 5s", + (cqr->expires/HZ), cqr); + } else { DEV_MESSAGE(KERN_ERR, device, "internal error - timeout (%is) expired " "for cqr %p (%i retries left)", (cqr->expires/HZ), cqr, cqr->retries); - if (device->discipline->term_IO(cqr) != 0) - /* Hmpf, try again in 1/10 sec */ - dasd_set_timer(device, 10); } } } -- cgit v1.2.3 From 645c98c8b6c09eae58ac2f97e0ade6ced4d6443f Mon Sep 17 00:00:00 2001 From: Horst Hummel Date: Mon, 4 Dec 2006 15:40:18 +0100 Subject: [S390] return 'count' for successful execution of dasd_eer_enable. Currently the return value of 'dasd_eer_enable' is returned - even if the function returned '0'. Now return 'count' for successful execution. Signed-off-by: Horst Hummel Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd_devmap.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index b5e70c52392..17fdd8c9f74 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -877,12 +877,13 @@ dasd_eer_store(struct device *dev, struct device_attribute *attr, if (((endp + 1) < (buf + count)) || (val > 1)) return -EINVAL; - rc = count; - if (val) + if (val) { rc = dasd_eer_enable(devmap->device); - else + if (rc) + return rc; + } else dasd_eer_disable(devmap->device); - return rc; + return count; } static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store); -- cgit v1.2.3 From 15e9b586e0bd3692e2a21c5be178810d9d32214e Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 4 Dec 2006 15:40:26 +0100 Subject: [S390] Reset infrastructure for re-IPL. In case of re-IPL and diag308 doesn't work we have to reset all devices manually and wait synchronously that each reset finished. This patch adds the necessary infrastucture and the first exploiter of it. Subsystems that need to add a function that needs to be called at re-IPL may register/unregister this function via struct reset_call { struct reset_call *next; void (*fn)(void); }; void register_reset_call(struct reset_call *reset); void unregister_reset_call(struct reset_call *reset); When the registered function get called the context is: - all cpus beside the current one are stopped - all machine checks and interrupts are disabled - prefixing is disabled - a default machine check handler is available for use The registered functions may not take any locks are sleep. For the common I/O layer part of this patch: Introduce a reset_call css_reset that does the following: - clear all subchannels - perform a rchp on all channel paths and wait for the resulting machine checks This replaces the calls to clear_all_subchannels() and cio_reset_channel_paths() for kexec and ccw reipl. reipl_ccw_dev() now uses reipl_find_schid() to determine the subchannel id for a given device id. Also remove cio_reset_channel_paths() and friends since they are not needed anymore. Signed-off-by: Heiko Carstens Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.c | 35 ------------- drivers/s390/cio/cio.c | 128 +++++++++++++++++++++++++++++++++++++----------- 2 files changed, 100 insertions(+), 63 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 2d78f0f4a40..9d92540bd99 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -1465,41 +1465,6 @@ chsc_get_chp_desc(struct subchannel *sch, int chp_no) return desc; } -static int reset_channel_path(struct channel_path *chp) -{ - int cc; - - cc = rchp(chp->id); - switch (cc) { - case 0: - return 0; - case 2: - return -EBUSY; - default: - return -ENODEV; - } -} - -static void reset_channel_paths_css(struct channel_subsystem *css) -{ - int i; - - for (i = 0; i <= __MAX_CHPID; i++) { - if (css->chps[i]) - reset_channel_path(css->chps[i]); - } -} - -void cio_reset_channel_paths(void) -{ - int i; - - for (i = 0; i <= __MAX_CSSID; i++) { - if (css[i] && css[i]->valid) - reset_channel_paths_css(css[i]); - } -} - static int __init chsc_alloc_sei_area(void) { diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 8936e460a80..20aee278384 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "airq.h" #include "cio.h" #include "css.h" @@ -28,6 +29,7 @@ #include "ioasm.h" #include "blacklist.h" #include "cio_debug.h" +#include "../s390mach.h" debug_info_t *cio_debug_msg_id; debug_info_t *cio_debug_trace_id; @@ -841,26 +843,12 @@ __clear_subchannel_easy(struct subchannel_id schid) return -EBUSY; } -struct sch_match_id { - struct subchannel_id schid; - struct ccw_dev_id devid; - int rc; -}; - -static int __shutdown_subchannel_easy_and_match(struct subchannel_id schid, - void *data) +static int __shutdown_subchannel_easy(struct subchannel_id schid, void *data) { struct schib schib; - struct sch_match_id *match_id = data; if (stsch_err(schid, &schib)) return -ENXIO; - if (match_id && schib.pmcw.dnv && - (schib.pmcw.dev == match_id->devid.devno) && - (schid.ssid == match_id->devid.ssid)) { - match_id->schid = schid; - match_id->rc = 0; - } if (!schib.pmcw.ena) return 0; switch(__disable_subchannel_easy(schid, &schib)) { @@ -876,27 +864,111 @@ static int __shutdown_subchannel_easy_and_match(struct subchannel_id schid, return 0; } -static int clear_all_subchannels_and_match(struct ccw_dev_id *devid, - struct subchannel_id *schid) +static atomic_t chpid_reset_count; + +static void s390_reset_chpids_mcck_handler(void) +{ + struct crw crw; + struct mci *mci; + + /* Check for pending channel report word. */ + mci = (struct mci *)&S390_lowcore.mcck_interruption_code; + if (!mci->cp) + return; + /* Process channel report words. */ + while (stcrw(&crw) == 0) { + /* Check for responses to RCHP. */ + if (crw.slct && crw.rsc == CRW_RSC_CPATH) + atomic_dec(&chpid_reset_count); + } +} + +#define RCHP_TIMEOUT (30 * USEC_PER_SEC) +static void css_reset(void) +{ + int i, ret; + unsigned long long timeout; + + /* Reset subchannels. */ + for_each_subchannel(__shutdown_subchannel_easy, NULL); + /* Reset channel paths. */ + s390_reset_mcck_handler = s390_reset_chpids_mcck_handler; + /* Enable channel report machine checks. */ + __ctl_set_bit(14, 28); + /* Temporarily reenable machine checks. */ + local_mcck_enable(); + for (i = 0; i <= __MAX_CHPID; i++) { + ret = rchp(i); + if ((ret == 0) || (ret == 2)) + /* + * rchp either succeeded, or another rchp is already + * in progress. In either case, we'll get a crw. + */ + atomic_inc(&chpid_reset_count); + } + /* Wait for machine check for all channel paths. */ + timeout = get_clock() + (RCHP_TIMEOUT << 12); + while (atomic_read(&chpid_reset_count) != 0) { + if (get_clock() > timeout) + break; + cpu_relax(); + } + /* Disable machine checks again. */ + local_mcck_disable(); + /* Disable channel report machine checks. */ + __ctl_clear_bit(14, 28); + s390_reset_mcck_handler = NULL; +} + +static struct reset_call css_reset_call = { + .fn = css_reset, +}; + +static int __init init_css_reset_call(void) +{ + atomic_set(&chpid_reset_count, 0); + register_reset_call(&css_reset_call); + return 0; +} + +arch_initcall(init_css_reset_call); + +struct sch_match_id { + struct subchannel_id schid; + struct ccw_dev_id devid; + int rc; +}; + +static int __reipl_subchannel_match(struct subchannel_id schid, void *data) +{ + struct schib schib; + struct sch_match_id *match_id = data; + + if (stsch_err(schid, &schib)) + return -ENXIO; + if (schib.pmcw.dnv && + (schib.pmcw.dev == match_id->devid.devno) && + (schid.ssid == match_id->devid.ssid)) { + match_id->schid = schid; + match_id->rc = 0; + return 1; + } + return 0; +} + +static int reipl_find_schid(struct ccw_dev_id *devid, + struct subchannel_id *schid) { struct sch_match_id match_id; match_id.devid = *devid; match_id.rc = -ENODEV; - local_irq_disable(); - for_each_subchannel(__shutdown_subchannel_easy_and_match, &match_id); + for_each_subchannel(__reipl_subchannel_match, &match_id); if (match_id.rc == 0) *schid = match_id.schid; return match_id.rc; } - -void clear_all_subchannels(void) -{ - local_irq_disable(); - for_each_subchannel(__shutdown_subchannel_easy_and_match, NULL); -} - extern void do_reipl_asm(__u32 schid); /* Make sure all subchannels are quiet before we re-ipl an lpar. */ @@ -904,9 +976,9 @@ void reipl_ccw_dev(struct ccw_dev_id *devid) { struct subchannel_id schid; - if (clear_all_subchannels_and_match(devid, &schid)) + s390_reset_system(); + if (reipl_find_schid(devid, &schid) != 0) panic("IPL Device not found\n"); - cio_reset_channel_paths(); do_reipl_asm(*((__u32*)&schid)); } -- cgit v1.2.3 From c6b5b847a7cf11f131c43fe0041443ec11697fc7 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 4 Dec 2006 15:40:33 +0100 Subject: [S390] cpu shutdown rework Let one master cpu kill all other cpus instead of sending an external interrupt to all other cpus so they can kill themselves. Simplifies reipl/shutdown functions a lot. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/char/sclp_quiesce.c | 37 +------------------------------------ 1 file changed, 1 insertion(+), 36 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c index 32004aae95c..ffa9282ce97 100644 --- a/drivers/s390/char/sclp_quiesce.c +++ b/drivers/s390/char/sclp_quiesce.c @@ -19,52 +19,17 @@ #include "sclp.h" - -#ifdef CONFIG_SMP -/* Signal completion of shutdown process. All CPUs except the first to enter - * this function: go to stopped state. First CPU: wait until all other - * CPUs are in stopped or check stop state. Afterwards, load special PSW - * to indicate completion. */ -static void -do_load_quiesce_psw(void * __unused) -{ - static atomic_t cpuid = ATOMIC_INIT(-1); - psw_t quiesce_psw; - int cpu; - - if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1) - signal_processor(smp_processor_id(), sigp_stop); - /* Wait for all other cpus to enter stopped state */ - for_each_online_cpu(cpu) { - if (cpu == smp_processor_id()) - continue; - while(!smp_cpu_not_running(cpu)) - cpu_relax(); - } - /* Quiesce the last cpu with the special psw */ - quiesce_psw.mask = PSW_BASE_BITS | PSW_MASK_WAIT; - quiesce_psw.addr = 0xfff; - __load_psw(quiesce_psw); -} - -/* Shutdown handler. Perform shutdown function on all CPUs. */ -static void -do_machine_quiesce(void) -{ - on_each_cpu(do_load_quiesce_psw, NULL, 0, 0); -} -#else /* Shutdown handler. Signal completion of shutdown by loading special PSW. */ static void do_machine_quiesce(void) { psw_t quiesce_psw; + smp_send_stop(); quiesce_psw.mask = PSW_BASE_BITS | PSW_MASK_WAIT; quiesce_psw.addr = 0xfff; __load_psw(quiesce_psw); } -#endif /* Handler for quiesce event. Start shutdown procedure. */ static void -- cgit v1.2.3 From 9163bb2e556f6c7879961df94540f0879db4717b Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Mon, 4 Dec 2006 15:40:59 +0100 Subject: [S390] non-unique constant/macro identifiers. Add some prefixes to constands defined in drivers/s390/net/qdio.h and drivers/s390/lcs.h to make it possible to include the three header files drivers/s390/net/qeth.h, drivers/s390/net/qdio.h and drivers/net/s390/lcs.h in one C file. This is required for the patch that generates the kerntypes.o file for use by lcrash. Signed-off-by: Ursula Braun Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio.c | 8 ++--- drivers/s390/cio/qdio.h | 4 +-- drivers/s390/net/lcs.c | 78 +++++++++++++++++++++++--------------------- drivers/s390/net/lcs.h | 25 ++++++-------- drivers/s390/net/qeth.h | 2 -- drivers/s390/net/qeth_main.c | 6 ++-- 6 files changed, 58 insertions(+), 65 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 476aa1da5cb..8d5fa1b4d11 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -481,7 +481,7 @@ qdio_stop_polling(struct qdio_q *q) unsigned char state = 0; struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; - if (!atomic_swap(&q->polling,0)) + if (!atomic_xchg(&q->polling,0)) return 1; QDIO_DBF_TEXT4(0,trace,"stoppoll"); @@ -1964,8 +1964,8 @@ qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb) QDIO_DBF_HEX0(0,sense,irb,QDIO_DBF_SENSE_LEN); QDIO_PRINT_WARN("sense data available on qdio channel.\n"); - HEXDUMP16(WARN,"irb: ",irb); - HEXDUMP16(WARN,"sense data: ",irb->ecw); + QDIO_HEXDUMP16(WARN,"irb: ",irb); + QDIO_HEXDUMP16(WARN,"sense data: ",irb->ecw); } } @@ -3425,7 +3425,7 @@ do_qdio_handle_inbound(struct qdio_q *q, unsigned int callflags, if ((used_elements+count==QDIO_MAX_BUFFERS_PER_Q)&& (callflags&QDIO_FLAG_UNDER_INTERRUPT)) - atomic_swap(&q->polling,0); + atomic_xchg(&q->polling,0); if (used_elements) return; diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 49bb9e371c3..42927c1b745 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -236,7 +236,7 @@ enum qdio_irq_states { #define QDIO_PRINT_EMERG(x...) do { } while (0) #endif -#define HEXDUMP16(importance,header,ptr) \ +#define QDIO_HEXDUMP16(importance,header,ptr) \ QDIO_PRINT_##importance(header "%02x %02x %02x %02x " \ "%02x %02x %02x %02x %02x %02x %02x %02x " \ "%02x %02x %02x %02x\n",*(((char*)ptr)), \ @@ -429,8 +429,6 @@ struct qdio_perf_stats { }; #endif /* QDIO_PERFORMANCE_STATS */ -#define atomic_swap(a,b) xchg((int*)a.counter,b) - /* unlikely as the later the better */ #define SYNC_MEMORY if (unlikely(q->siga_sync)) qdio_siga_sync_q(q) #define SYNC_MEMORY_ALL if (unlikely(q->siga_sync)) \ diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 66a8aec6efa..08d4e47070b 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -54,6 +54,8 @@ #error Cannot compile lcs.c without some net devices switched on. #endif +#define PRINTK_HEADER " lcs: " + /** * initialization string for output */ @@ -120,7 +122,7 @@ lcs_alloc_channel(struct lcs_channel *channel) kzalloc(LCS_IOBUFFERSIZE, GFP_DMA | GFP_KERNEL); if (channel->iob[cnt].data == NULL) break; - channel->iob[cnt].state = BUF_STATE_EMPTY; + channel->iob[cnt].state = LCS_BUF_STATE_EMPTY; } if (cnt < LCS_NUM_BUFFS) { /* Not all io buffers could be allocated. */ @@ -236,7 +238,7 @@ lcs_setup_read_ccws(struct lcs_card *card) ((struct lcs_header *) card->read.iob[cnt].data)->offset = LCS_ILLEGAL_OFFSET; card->read.iob[cnt].callback = lcs_get_frames_cb; - card->read.iob[cnt].state = BUF_STATE_READY; + card->read.iob[cnt].state = LCS_BUF_STATE_READY; card->read.iob[cnt].count = LCS_IOBUFFERSIZE; } card->read.ccws[0].flags &= ~CCW_FLAG_PCI; @@ -247,7 +249,7 @@ lcs_setup_read_ccws(struct lcs_card *card) card->read.ccws[LCS_NUM_BUFFS].cda = (__u32) __pa(card->read.ccws); /* Setg initial state of the read channel. */ - card->read.state = CH_STATE_INIT; + card->read.state = LCS_CH_STATE_INIT; card->read.io_idx = 0; card->read.buf_idx = 0; @@ -294,7 +296,7 @@ lcs_setup_write_ccws(struct lcs_card *card) card->write.ccws[LCS_NUM_BUFFS].cda = (__u32) __pa(card->write.ccws); /* Set initial state of the write channel. */ - card->read.state = CH_STATE_INIT; + card->read.state = LCS_CH_STATE_INIT; card->write.io_idx = 0; card->write.buf_idx = 0; @@ -496,7 +498,7 @@ lcs_start_channel(struct lcs_channel *channel) channel->ccws + channel->io_idx, 0, 0, DOIO_DENY_PREFETCH | DOIO_ALLOW_SUSPEND); if (rc == 0) - channel->state = CH_STATE_RUNNING; + channel->state = LCS_CH_STATE_RUNNING; spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id); @@ -520,8 +522,8 @@ lcs_clear_channel(struct lcs_channel *channel) LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id); return rc; } - wait_event(channel->wait_q, (channel->state == CH_STATE_CLEARED)); - channel->state = CH_STATE_STOPPED; + wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED)); + channel->state = LCS_CH_STATE_STOPPED; return rc; } @@ -535,11 +537,11 @@ lcs_stop_channel(struct lcs_channel *channel) unsigned long flags; int rc; - if (channel->state == CH_STATE_STOPPED) + if (channel->state == LCS_CH_STATE_STOPPED) return 0; LCS_DBF_TEXT(4,trace,"haltsch"); LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id); - channel->state = CH_STATE_INIT; + channel->state = LCS_CH_STATE_INIT; spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_halt(channel->ccwdev, (addr_t) channel); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); @@ -548,7 +550,7 @@ lcs_stop_channel(struct lcs_channel *channel) return rc; } /* Asynchronous halt initialted. Wait for its completion. */ - wait_event(channel->wait_q, (channel->state == CH_STATE_HALTED)); + wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_HALTED)); lcs_clear_channel(channel); return 0; } @@ -596,8 +598,8 @@ __lcs_get_buffer(struct lcs_channel *channel) LCS_DBF_TEXT(5, trace, "_getbuff"); index = channel->io_idx; do { - if (channel->iob[index].state == BUF_STATE_EMPTY) { - channel->iob[index].state = BUF_STATE_LOCKED; + if (channel->iob[index].state == LCS_BUF_STATE_EMPTY) { + channel->iob[index].state = LCS_BUF_STATE_LOCKED; return channel->iob + index; } index = (index + 1) & (LCS_NUM_BUFFS - 1); @@ -626,7 +628,7 @@ __lcs_resume_channel(struct lcs_channel *channel) { int rc; - if (channel->state != CH_STATE_SUSPENDED) + if (channel->state != LCS_CH_STATE_SUSPENDED) return 0; if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND) return 0; @@ -636,7 +638,7 @@ __lcs_resume_channel(struct lcs_channel *channel) LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id); PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc); } else - channel->state = CH_STATE_RUNNING; + channel->state = LCS_CH_STATE_RUNNING; return rc; } @@ -670,10 +672,10 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer) int index, rc; LCS_DBF_TEXT(5, trace, "rdybuff"); - BUG_ON(buffer->state != BUF_STATE_LOCKED && - buffer->state != BUF_STATE_PROCESSED); + BUG_ON(buffer->state != LCS_BUF_STATE_LOCKED && + buffer->state != LCS_BUF_STATE_PROCESSED); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - buffer->state = BUF_STATE_READY; + buffer->state = LCS_BUF_STATE_READY; index = buffer - channel->iob; /* Set length. */ channel->ccws[index].count = buffer->count; @@ -695,8 +697,8 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer) int index, prev, next; LCS_DBF_TEXT(5, trace, "prcsbuff"); - BUG_ON(buffer->state != BUF_STATE_READY); - buffer->state = BUF_STATE_PROCESSED; + BUG_ON(buffer->state != LCS_BUF_STATE_READY); + buffer->state = LCS_BUF_STATE_PROCESSED; index = buffer - channel->iob; prev = (index - 1) & (LCS_NUM_BUFFS - 1); next = (index + 1) & (LCS_NUM_BUFFS - 1); @@ -704,7 +706,7 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer) channel->ccws[index].flags |= CCW_FLAG_SUSPEND; channel->ccws[index].flags &= ~CCW_FLAG_PCI; /* Check the suspend bit of the previous buffer. */ - if (channel->iob[prev].state == BUF_STATE_READY) { + if (channel->iob[prev].state == LCS_BUF_STATE_READY) { /* * Previous buffer is in state ready. It might have * happened in lcs_ready_buffer that the suspend bit @@ -727,10 +729,10 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer) unsigned long flags; LCS_DBF_TEXT(5, trace, "relbuff"); - BUG_ON(buffer->state != BUF_STATE_LOCKED && - buffer->state != BUF_STATE_PROCESSED); + BUG_ON(buffer->state != LCS_BUF_STATE_LOCKED && + buffer->state != LCS_BUF_STATE_PROCESSED); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - buffer->state = BUF_STATE_EMPTY; + buffer->state = LCS_BUF_STATE_EMPTY; spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); } @@ -1264,7 +1266,7 @@ lcs_register_mc_addresses(void *data) netif_carrier_off(card->dev); netif_tx_disable(card->dev); wait_event(card->write.wait_q, - (card->write.state != CH_STATE_RUNNING)); + (card->write.state != LCS_CH_STATE_RUNNING)); lcs_fix_multicast_list(card); if (card->state == DEV_STATE_UP) { netif_carrier_on(card->dev); @@ -1404,7 +1406,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } } /* How far in the ccw chain have we processed? */ - if ((channel->state != CH_STATE_INIT) && + if ((channel->state != LCS_CH_STATE_INIT) && (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) { index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa) - channel->ccws; @@ -1424,20 +1426,20 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) (irb->scsw.dstat & DEV_STAT_CHN_END) || (irb->scsw.dstat & DEV_STAT_UNIT_CHECK)) /* Mark channel as stopped. */ - channel->state = CH_STATE_STOPPED; + channel->state = LCS_CH_STATE_STOPPED; else if (irb->scsw.actl & SCSW_ACTL_SUSPENDED) /* CCW execution stopped on a suspend bit. */ - channel->state = CH_STATE_SUSPENDED; + channel->state = LCS_CH_STATE_SUSPENDED; if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) { if (irb->scsw.cc != 0) { ccw_device_halt(channel->ccwdev, (addr_t) channel); return; } /* The channel has been stopped by halt_IO. */ - channel->state = CH_STATE_HALTED; + channel->state = LCS_CH_STATE_HALTED; } if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) { - channel->state = CH_STATE_CLEARED; + channel->state = LCS_CH_STATE_CLEARED; } /* Do the rest in the tasklet. */ tasklet_schedule(&channel->irq_tasklet); @@ -1461,7 +1463,7 @@ lcs_tasklet(unsigned long data) /* Check for processed buffers. */ iob = channel->iob; buf_idx = channel->buf_idx; - while (iob[buf_idx].state == BUF_STATE_PROCESSED) { + while (iob[buf_idx].state == LCS_BUF_STATE_PROCESSED) { /* Do the callback thing. */ if (iob[buf_idx].callback != NULL) iob[buf_idx].callback(channel, iob + buf_idx); @@ -1469,12 +1471,12 @@ lcs_tasklet(unsigned long data) } channel->buf_idx = buf_idx; - if (channel->state == CH_STATE_STOPPED) + if (channel->state == LCS_CH_STATE_STOPPED) // FIXME: what if rc != 0 ?? rc = lcs_start_channel(channel); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - if (channel->state == CH_STATE_SUSPENDED && - channel->iob[channel->io_idx].state == BUF_STATE_READY) { + if (channel->state == LCS_CH_STATE_SUSPENDED && + channel->iob[channel->io_idx].state == LCS_BUF_STATE_READY) { // FIXME: what if rc != 0 ?? rc = __lcs_resume_channel(channel); } @@ -1689,8 +1691,8 @@ lcs_detect(struct lcs_card *card) card->state = DEV_STATE_UP; } else { card->state = DEV_STATE_DOWN; - card->write.state = CH_STATE_INIT; - card->read.state = CH_STATE_INIT; + card->write.state = LCS_CH_STATE_INIT; + card->read.state = LCS_CH_STATE_INIT; } return rc; } @@ -1705,8 +1707,8 @@ lcs_stopcard(struct lcs_card *card) LCS_DBF_TEXT(3, setup, "stopcard"); - if (card->read.state != CH_STATE_STOPPED && - card->write.state != CH_STATE_STOPPED && + if (card->read.state != LCS_CH_STATE_STOPPED && + card->write.state != LCS_CH_STATE_STOPPED && card->state == DEV_STATE_UP) { lcs_clear_multicast_list(card); rc = lcs_send_stoplan(card,LCS_INITIATOR_TCPIP); @@ -1871,7 +1873,7 @@ lcs_stop_device(struct net_device *dev) netif_tx_disable(dev); dev->flags &= ~IFF_UP; wait_event(card->write.wait_q, - (card->write.state != CH_STATE_RUNNING)); + (card->write.state != LCS_CH_STATE_RUNNING)); rc = lcs_stopcard(card); if (rc) PRINT_ERR("Try it again!\n "); diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h index b5247dc08b5..0e1e4a0a88f 100644 --- a/drivers/s390/net/lcs.h +++ b/drivers/s390/net/lcs.h @@ -22,11 +22,6 @@ do { \ debug_text_event(lcs_dbf_##name,level, debug_buffer);\ } while (0) -/** - * some more definitions for debug or output stuff - */ -#define PRINTK_HEADER " lcs: " - /** * sysfs related stuff */ @@ -127,22 +122,22 @@ do { \ * LCS Buffer states */ enum lcs_buffer_states { - BUF_STATE_EMPTY, /* buffer is empty */ - BUF_STATE_LOCKED, /* buffer is locked, don't touch */ - BUF_STATE_READY, /* buffer is ready for read/write */ - BUF_STATE_PROCESSED, + LCS_BUF_STATE_EMPTY, /* buffer is empty */ + LCS_BUF_STATE_LOCKED, /* buffer is locked, don't touch */ + LCS_BUF_STATE_READY, /* buffer is ready for read/write */ + LCS_BUF_STATE_PROCESSED, }; /** * LCS Channel State Machine declarations */ enum lcs_channel_states { - CH_STATE_INIT, - CH_STATE_HALTED, - CH_STATE_STOPPED, - CH_STATE_RUNNING, - CH_STATE_SUSPENDED, - CH_STATE_CLEARED, + LCS_CH_STATE_INIT, + LCS_CH_STATE_HALTED, + LCS_CH_STATE_STOPPED, + LCS_CH_STATE_RUNNING, + LCS_CH_STATE_SUSPENDED, + LCS_CH_STATE_CLEARED, }; /** diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index 821383d8cbe..53c358c7d36 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -151,8 +151,6 @@ qeth_hex_dump(unsigned char *buf, size_t len) #define SENSE_RESETTING_EVENT_BYTE 1 #define SENSE_RESETTING_EVENT_FLAG 0x80 -#define atomic_swap(a,b) xchg((int *)a.counter, b) - /* * Common IO related definitions */ diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 8364d5475ac..7fdc5272c44 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -2982,7 +2982,7 @@ qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) */ if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || !atomic_read(&queue->set_pci_flags_count)){ - if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == + if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == QETH_OUT_Q_UNLOCKED) { /* * If we get in here, there was no action in @@ -3245,7 +3245,7 @@ qeth_free_qdio_buffers(struct qeth_card *card) int i, j; QETH_DBF_TEXT(trace, 2, "freeqdbf"); - if (atomic_swap(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == + if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) == QETH_QDIO_UNINITIALIZED) return; kfree(card->qdio.in_q); @@ -4366,7 +4366,7 @@ out: if (flush_count) qeth_flush_buffers(queue, 0, start_index, flush_count); else if (!atomic_read(&queue->set_pci_flags_count)) - atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); + atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); /* * queue->state will go from LOCKED -> UNLOCKED or from * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us -- cgit v1.2.3 From 24cb5b4846ebae5543869b5c596c2650f380df53 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 4 Dec 2006 15:41:01 +0100 Subject: [S390] cio: Use path verification for last path gone after vary off. If the last path to a device is gone after a chpid has been varied off, putting it on the slow queue doesn't prevent a device driver from still attempting to use it (it may stay on the slow queue for a long time). Instead, trigger a verify event which will prevent I/O attempts from the device driver immediately. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.c | 22 ++++++++++++---------- drivers/s390/cio/css.h | 1 + drivers/s390/cio/device_fsm.c | 11 +++++++++++ 3 files changed, 24 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 9d92540bd99..11900de94cb 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -744,20 +744,22 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) device_trigger_reprobe(sch); else if (sch->driver && sch->driver->verify) sch->driver->verify(&sch->dev); - } else { - sch->opm &= ~(0x80 >> chp); - sch->lpm &= ~(0x80 >> chp); - if (check_for_io_on_path(sch, chp)) - /* Path verification is done after killing. */ - device_kill_io(sch); - else if (!sch->lpm) { + break; + } + sch->opm &= ~(0x80 >> chp); + sch->lpm &= ~(0x80 >> chp); + if (check_for_io_on_path(sch, chp)) + /* Path verification is done after killing. */ + device_kill_io(sch); + else if (!sch->lpm) { + if (device_trigger_verify(sch) != 0) { if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); need_rescan = 1; } - } else if (sch->driver && sch->driver->verify) - sch->driver->verify(&sch->dev); - } + } + } else if (sch->driver && sch->driver->verify) + sch->driver->verify(&sch->dev); break; } spin_unlock_irqrestore(&sch->lock, flags); diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 4c2ff833628..da73453fa54 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -171,6 +171,7 @@ void device_trigger_reprobe(struct subchannel *); /* Helper functions for vary on/off. */ int device_is_online(struct subchannel *); void device_kill_io(struct subchannel *); +int device_trigger_verify(struct subchannel *sch); /* Machine check helper function. */ void device_kill_pending_timer(struct subchannel *); diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index de3d0857db9..7665000e8df 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -59,6 +59,17 @@ device_set_disconnected(struct subchannel *sch) cdev->private->state = DEV_STATE_DISCONNECTED; } +int device_trigger_verify(struct subchannel *sch) +{ + struct ccw_device *cdev; + + cdev = sch->dev.driver_data; + if (!cdev || !cdev->online) + return -EINVAL; + dev_fsm_event(cdev, DEV_EVENT_VERIFY); + return 0; +} + /* * Timeout function. It just triggers a DEV_EVENT_TIMEOUT. */ -- cgit v1.2.3 From d23861ff1a4da1f4a5255eb4582f620191c6e1c0 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 4 Dec 2006 15:41:04 +0100 Subject: [S390] cio: Retry internal operations after vary off. If I/O was running on a just varied off chpid, it will be terminated. If this was a common I/O layer internal I/O, it needs to be retried. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.c | 37 ++++++++++++++++++++++++++++++------- drivers/s390/cio/css.h | 2 ++ drivers/s390/cio/device.c | 3 +++ drivers/s390/cio/device_fsm.c | 16 ++++++++++++++++ drivers/s390/cio/device_id.c | 10 +++++++++- drivers/s390/cio/device_pgid.c | 30 +++++++++++++++++++++++++++--- drivers/s390/cio/device_status.c | 3 +++ 7 files changed, 90 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 11900de94cb..dbfb77b0392 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -251,6 +251,8 @@ s390_subchannel_remove_chpid(struct device *dev, void *data) cc = cio_clear(sch); if (cc == -ENODEV) goto out_unreg; + /* Request retry of internal operation. */ + device_set_intretry(sch); /* Call handler. */ if (sch->driver && sch->driver->termination) sch->driver->termination(&sch->dev); @@ -711,9 +713,6 @@ static inline int check_for_io_on_path(struct subchannel *sch, int index) { int cc; - if (!device_is_online(sch)) - /* cio could be doing I/O. */ - return 0; cc = stsch(sch->schid, &sch->schib); if (cc) return 0; @@ -722,6 +721,26 @@ static inline int check_for_io_on_path(struct subchannel *sch, int index) return 0; } +static void terminate_internal_io(struct subchannel *sch) +{ + if (cio_clear(sch)) { + /* Recheck device in case clear failed. */ + sch->lpm = 0; + if (device_trigger_verify(sch) != 0) { + if(css_enqueue_subchannel_slow(sch->schid)) { + css_clear_subchannel_slow_list(); + need_rescan = 1; + } + } + return; + } + /* Request retry of internal operation. */ + device_set_intretry(sch); + /* Call handler. */ + if (sch->driver && sch->driver->termination) + sch->driver->termination(&sch->dev); +} + static inline void __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) { @@ -748,10 +767,14 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) } sch->opm &= ~(0x80 >> chp); sch->lpm &= ~(0x80 >> chp); - if (check_for_io_on_path(sch, chp)) - /* Path verification is done after killing. */ - device_kill_io(sch); - else if (!sch->lpm) { + if (check_for_io_on_path(sch, chp)) { + if (device_is_online(sch)) + /* Path verification is done after killing. */ + device_kill_io(sch); + else + /* Kill and retry internal I/O. */ + terminate_internal_io(sch); + } else if (!sch->lpm) { if (device_trigger_verify(sch) != 0) { if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index da73453fa54..9ff064e7176 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -94,6 +94,7 @@ struct ccw_device_private { unsigned int donotify:1; /* call notify function */ unsigned int recog_done:1; /* dev. recog. complete */ unsigned int fake_irb:1; /* deliver faked irb */ + unsigned int intretry:1; /* retry internal operation */ } __attribute__((packed)) flags; unsigned long intparm; /* user interruption parameter */ struct qdio_irq *qdio_data; @@ -171,6 +172,7 @@ void device_trigger_reprobe(struct subchannel *); /* Helper functions for vary on/off. */ int device_is_online(struct subchannel *); void device_kill_io(struct subchannel *); +void device_set_intretry(struct subchannel *sch); int device_trigger_verify(struct subchannel *sch); /* Machine check helper function. */ diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 39c98f94050..359b46c2531 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -948,6 +948,9 @@ io_subchannel_ioterm(struct device *dev) cdev = dev->driver_data; if (!cdev) return; + /* Internal I/O will be retried by the interrupt handler. */ + if (cdev->private->flags.intretry) + return; cdev->private->state = DEV_STATE_CLEAR_VERIFY; if (cdev->handler) cdev->handler(cdev, cdev->private->intparm, diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 7665000e8df..09c7672eb3f 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -59,6 +59,16 @@ device_set_disconnected(struct subchannel *sch) cdev->private->state = DEV_STATE_DISCONNECTED; } +void device_set_intretry(struct subchannel *sch) +{ + struct ccw_device *cdev; + + cdev = sch->dev.driver_data; + if (!cdev) + return; + cdev->private->flags.intretry = 1; +} + int device_trigger_verify(struct subchannel *sch) { struct ccw_device *cdev; @@ -904,6 +914,12 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) * had killed the original request. */ if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_HALT_FUNC)) { + /* Retry Basic Sense if requested. */ + if (cdev->private->flags.intretry) { + cdev->private->flags.intretry = 0; + ccw_device_do_sense(cdev, irb); + return; + } cdev->private->flags.dosense = 0; memset(&cdev->private->irb, 0, sizeof(struct irb)); ccw_device_accumulate_irb(cdev, irb); diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c index a74785b9e4e..f17275917fe 100644 --- a/drivers/s390/cio/device_id.c +++ b/drivers/s390/cio/device_id.c @@ -191,6 +191,8 @@ __ccw_device_sense_id_start(struct ccw_device *cdev) if ((sch->opm & cdev->private->imask) != 0 && cdev->private->iretry > 0) { cdev->private->iretry--; + /* Reset internal retry indication. */ + cdev->private->flags.intretry = 0; ret = cio_start (sch, cdev->private->iccws, cdev->private->imask); /* ret is 0, -EBUSY, -EACCES or -ENODEV */ @@ -237,8 +239,14 @@ ccw_device_check_sense_id(struct ccw_device *cdev) return 0; /* Success */ } /* Check the error cases. */ - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) + if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + /* Retry Sense ID if requested. */ + if (cdev->private->flags.intretry) { + cdev->private->flags.intretry = 0; + return -EAGAIN; + } return -ETIME; + } if (irb->esw.esw0.erw.cons && (irb->ecw[0] & SNS0_CMD_REJECT)) { /* * if the device doesn't support the SenseID diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 2975ce888c1..cb1879a9681 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -71,6 +71,8 @@ __ccw_device_sense_pgid_start(struct ccw_device *cdev) ccw->cda = (__u32) __pa (&cdev->private->pgid[i]); if (cdev->private->iretry > 0) { cdev->private->iretry--; + /* Reset internal retry indication. */ + cdev->private->flags.intretry = 0; ret = cio_start (sch, cdev->private->iccws, cdev->private->imask); /* ret is 0, -EBUSY, -EACCES or -ENODEV */ @@ -122,8 +124,14 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) + if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + /* Retry Sense PGID if requested. */ + if (cdev->private->flags.intretry) { + cdev->private->flags.intretry = 0; + return -EAGAIN; + } return -ETIME; + } if (irb->esw.esw0.erw.cons && (irb->ecw[0]&(SNS0_CMD_REJECT|SNS0_INTERVENTION_REQ))) { /* @@ -253,6 +261,8 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func) ret = -EACCES; if (cdev->private->iretry > 0) { cdev->private->iretry--; + /* Reset internal retry indication. */ + cdev->private->flags.intretry = 0; ret = cio_start (sch, cdev->private->iccws, cdev->private->imask); /* We expect an interrupt in case of success or busy @@ -293,6 +303,8 @@ static int __ccw_device_do_nop(struct ccw_device *cdev) ret = -EACCES; if (cdev->private->iretry > 0) { cdev->private->iretry--; + /* Reset internal retry indication. */ + cdev->private->flags.intretry = 0; ret = cio_start (sch, cdev->private->iccws, cdev->private->imask); /* We expect an interrupt in case of success or busy @@ -321,8 +333,14 @@ __ccw_device_check_pgid(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) + if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + /* Retry Set PGID if requested. */ + if (cdev->private->flags.intretry) { + cdev->private->flags.intretry = 0; + return -EAGAIN; + } return -ETIME; + } if (irb->esw.esw0.erw.cons) { if (irb->ecw[0] & SNS0_CMD_REJECT) return -EOPNOTSUPP; @@ -360,8 +378,14 @@ static int __ccw_device_check_nop(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); irb = &cdev->private->irb; - if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) + if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC | SCSW_FCTL_CLEAR_FUNC)) { + /* Retry NOP if requested. */ + if (cdev->private->flags.intretry) { + cdev->private->flags.intretry = 0; + return -EAGAIN; + } return -ETIME; + } if (irb->scsw.cc == 3) { CIO_MSG_EVENT(2, "NOP - Device %04x on Subchannel 0.%x.%04x," " lpm %02X, became 'not operational'\n", diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 3f7cbce4cd8..bdcf930f7be 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -319,6 +319,9 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb) sch->sense_ccw.count = SENSE_MAX_COUNT; sch->sense_ccw.flags = CCW_FLAG_SLI; + /* Reset internal retry indication. */ + cdev->private->flags.intretry = 0; + return cio_start (sch, &sch->sense_ccw, 0xff); } -- cgit v1.2.3 From 47af5518526d435d0d56a329a578f240e86eb678 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Mon, 4 Dec 2006 15:41:07 +0100 Subject: [S390] cio: Use device_reprobe() instead of bus_rescan_devices(). In io_subchannel_register(), it is better to just reprobe the current device if it hasn't a driver yet than to rescan the whole bus. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 359b46c2531..d3d3716ff84 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -687,8 +687,20 @@ io_subchannel_register(void *data) cdev = data; sch = to_subchannel(cdev->dev.parent); + /* + * io_subchannel_register() will also be called after device + * recognition has been done for a boxed device (which will already + * be registered). We need to reprobe since we may now have sense id + * information. + */ if (klist_node_attached(&cdev->dev.knode_parent)) { - bus_rescan_devices(&ccw_bus_type); + if (!cdev->drv) { + ret = device_reprobe(&cdev->dev); + if (ret) + /* We can't do much here. */ + dev_info(&cdev->dev, "device_reprobe() returned" + " %d\n", ret); + } goto out; } /* make it known to the system */ -- cgit v1.2.3 From 2c5ff671ca853a1f73ae688bbf5b4f68a476b55d Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 4 Dec 2006 16:33:20 +0000 Subject: [PATCH] trivial piix: swap bogus dot for comma space Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index a2d84f7cf2b..c7de0bb1591 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -40,7 +40,7 @@ * Documentation * Publically available from Intel web site. Errata documentation * is also publically available. As an aide to anyone hacking on this - * driver the list of errata that are relevant is below.going back to + * driver the list of errata that are relevant is below, going back to * PIIX4. Older device documentation is now a bit tricky to find. * * The chipsets all follow very much the same design. The orginal Triton -- cgit v1.2.3 From 75f609d2a923b8f1db870e0c63ff41c84c145589 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 4 Dec 2006 16:38:25 +0000 Subject: [PATCH] pata_via: VIA 8251 bridged systems are now out and about Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_via.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index a9077b617b8..cc09d47fb92 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -23,6 +23,7 @@ * VIA VT8233c - UDMA100 * VIA VT8235 - UDMA133 * VIA VT8237 - UDMA133 + * VIA VT8251 - UDMA133 * * Most registers remain compatible across chips. Others start reserved * and acquire sensible semantics if set to 1 (eg cable detect). A few @@ -94,6 +95,7 @@ static const struct via_isa_bridge { u8 rev_max; u16 flags; } via_isa_bridges[] = { + { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_NO_ENABLES}, { "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, -- cgit v1.2.3 From 8e42a5a220a3369c70d88474e887a6de6a4ae209 Mon Sep 17 00:00:00 2001 From: Alan Date: Mon, 4 Dec 2006 16:36:05 +0000 Subject: [PATCH] pata_ali: small fixes Switch to pci_get_bus_and_slot because some x86 systems seem to be handing us a device with dev->bus = NULL. Also don't apply the isa fixup to revision C6 and later of the chip. Really we need to work out wtf is handing us pdev->bus = NULL, but firstly and more importantly we need the drivers working. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/pata_ali.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index d25563794c8..c5d61d1911a 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -34,7 +34,7 @@ #include #define DRV_NAME "pata_ali" -#define DRV_VERSION "0.7.1" +#define DRV_VERSION "0.7.2" /* * Cable special cases @@ -528,7 +528,7 @@ static void ali_init_chipset(struct pci_dev *pdev) pci_read_config_byte(pdev, 0x4B, &tmp); pci_write_config_byte(pdev, 0x4B, tmp | 0x08); } - north = pci_get_slot(pdev->bus, PCI_DEVFN(0,0)); + north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { @@ -537,7 +537,7 @@ static void ali_init_chipset(struct pci_dev *pdev) pci_read_config_byte(isa_bridge, 0x79, &tmp); if (rev == 0xC2) pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); - else if (rev > 0xC2) + else if (rev > 0xC2 && rev < 0xC5) pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); } if (rev >= 0x20) { -- cgit v1.2.3 From fbd819766568c6f3d286dbabb9a17bb13e48f40d Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 30 May 2006 23:58:25 -0400 Subject: [PATCH] __iomem annotations: smc91x Signed-off-by: Al Viro --- drivers/net/smc91x.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index a8640169fc7..9e0fbc59114 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -1216,7 +1216,7 @@ static const char * chip_ids[ 16 ] = { if (SMC_CAN_USE_32BIT) { \ void *__ptr = (p); \ int __len = (l); \ - void *__ioaddr = ioaddr; \ + void __iomem *__ioaddr = ioaddr; \ if (__len >= 2 && (unsigned long)__ptr & 2) { \ __len -= 2; \ SMC_outw(*(u16 *)__ptr, ioaddr, DATA_REG); \ @@ -1240,7 +1240,7 @@ static const char * chip_ids[ 16 ] = { if (SMC_CAN_USE_32BIT) { \ void *__ptr = (p); \ int __len = (l); \ - void *__ioaddr = ioaddr; \ + void __iomem *__ioaddr = ioaddr; \ if ((unsigned long)__ptr & 2) { \ /* \ * We want 32bit alignment here. \ -- cgit v1.2.3 From 059807755c0d2b2727588bb52951f8ff6cbf07b4 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 30 May 2006 23:59:09 -0400 Subject: [PATCH] mv643xx_eth.c NULL noise removal Signed-off-by: Al Viro --- drivers/net/mv643xx_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9997081c6da..21d0137b600 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1098,7 +1098,7 @@ static void eth_tx_fill_frag_descs(struct mv643xx_private *mp, ETH_TX_ENABLE_INTERRUPT; mp->tx_skb[tx_index] = skb; } else - mp->tx_skb[tx_index] = 0; + mp->tx_skb[tx_index] = NULL; desc = &mp->p_tx_desc_area[tx_index]; desc->l4i_chk = 0; @@ -1134,7 +1134,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp, eth_tx_fill_frag_descs(mp, skb); length = skb_headlen(skb); - mp->tx_skb[tx_index] = 0; + mp->tx_skb[tx_index] = NULL; } else { cmd_sts |= ETH_ZERO_PADDING | ETH_TX_LAST_DESC | -- cgit v1.2.3 From afc8eb46c0ea2cab8bc28713b2e0614f015a7516 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 14 Jun 2006 18:50:53 -0400 Subject: [PATCH] trivial missing __init in drivers/net/* Signed-off-by: Al Viro --- drivers/net/3c501.c | 2 +- drivers/net/3c503.c | 2 +- drivers/net/3c505.c | 2 +- drivers/net/3c507.c | 2 +- drivers/net/3c523.c | 2 +- drivers/net/3c527.c | 2 +- drivers/net/ac3200.c | 2 +- drivers/net/apne.c | 4 ++-- drivers/net/appletalk/cops.c | 2 +- drivers/net/at1700.c | 2 +- drivers/net/atarilance.c | 4 ++-- drivers/net/cs89x0.c | 2 +- drivers/net/e2100.c | 2 +- drivers/net/eepro.c | 2 +- drivers/net/eexpress.c | 2 +- drivers/net/es3210.c | 2 +- drivers/net/eth16i.c | 2 +- drivers/net/hp-plus.c | 2 +- drivers/net/hp.c | 2 +- drivers/net/lance.c | 2 +- drivers/net/lne390.c | 2 +- drivers/net/mvme147.c | 4 ++-- drivers/net/ne.c | 2 +- drivers/net/ne2.c | 2 +- drivers/net/ni52.c | 2 +- drivers/net/ni65.c | 2 +- drivers/net/seeq8005.c | 2 +- drivers/net/smc-ultra.c | 2 +- drivers/net/smc-ultra32.c | 2 +- drivers/net/smc9194.c | 2 +- drivers/net/sun3lance.c | 4 ++-- drivers/net/tokenring/smctr.c | 2 +- drivers/net/wd.c | 2 +- 33 files changed, 37 insertions(+), 37 deletions(-) (limited to 'drivers') diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c index 11d170afa9c..06e33786078 100644 --- a/drivers/net/3c501.c +++ b/drivers/net/3c501.c @@ -922,7 +922,7 @@ int __init init_module(void) * and then free up the resources we took when the card was found. */ -void cleanup_module(void) +void __exit cleanup_module(void) { struct net_device *dev = dev_3c501; unregister_netdev(dev); diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c index a34b2206132..7e34c4f07b7 100644 --- a/drivers/net/3c503.c +++ b/drivers/net/3c503.c @@ -726,7 +726,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/3c505.c b/drivers/net/3c505.c index 458cb9cbe91..702bfb2a5e9 100644 --- a/drivers/net/3c505.c +++ b/drivers/net/3c505.c @@ -1670,7 +1670,7 @@ int __init init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c index aa43563610a..54e1d5aebed 100644 --- a/drivers/net/3c507.c +++ b/drivers/net/3c507.c @@ -940,7 +940,7 @@ int __init init_module(void) return IS_ERR(dev_3c507) ? PTR_ERR(dev_3c507) : 0; } -void +void __exit cleanup_module(void) { struct net_device *dev = dev_3c507; diff --git a/drivers/net/3c523.c b/drivers/net/3c523.c index 91849469b4f..17d61eb0a7e 100644 --- a/drivers/net/3c523.c +++ b/drivers/net/3c523.c @@ -1302,7 +1302,7 @@ int __init init_module(void) } else return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; for (this_dev=0; this_devirq, atarilance_dev); diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index dec70c2b374..4612f71a710 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -1974,7 +1974,7 @@ out: return ret; } -void +void __exit cleanup_module(void) { unregister_netdev(dev_cs89x0); diff --git a/drivers/net/e2100.c b/drivers/net/e2100.c index d39e8480ca5..c62d9c6363c 100644 --- a/drivers/net/e2100.c +++ b/drivers/net/e2100.c @@ -463,7 +463,7 @@ static void cleanup_card(struct net_device *dev) release_region(dev->base_addr, E21_IO_EXTENT); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c index a4eb0dc99ec..b4463094c93 100644 --- a/drivers/net/eepro.c +++ b/drivers/net/eepro.c @@ -1827,7 +1827,7 @@ int __init init_module(void) return n_eepro ? 0 : -ENODEV; } -void +void __exit cleanup_module(void) { int i; diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c index e14be020e56..4a50fcb5ad6 100644 --- a/drivers/net/eexpress.c +++ b/drivers/net/eexpress.c @@ -1719,7 +1719,7 @@ int __init init_module(void) return -ENXIO; } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/es3210.c b/drivers/net/es3210.c index fd7b32a24ea..2d2ea94a00b 100644 --- a/drivers/net/es3210.c +++ b/drivers/net/es3210.c @@ -455,7 +455,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/eth16i.c b/drivers/net/eth16i.c index b7b8bc2a630..93283e386f3 100644 --- a/drivers/net/eth16i.c +++ b/drivers/net/eth16i.c @@ -1475,7 +1475,7 @@ int __init init_module(void) return -ENXIO; } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c index 6abcfd2a4b2..99a36cc3f8d 100644 --- a/drivers/net/hp-plus.c +++ b/drivers/net/hp-plus.c @@ -482,7 +482,7 @@ static void cleanup_card(struct net_device *dev) release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/hp.c b/drivers/net/hp.c index 29470970aa2..635b13c2e2a 100644 --- a/drivers/net/hp.c +++ b/drivers/net/hp.c @@ -444,7 +444,7 @@ static void cleanup_card(struct net_device *dev) release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/lance.c b/drivers/net/lance.c index 4256c13c73c..a3843320dbe 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -368,7 +368,7 @@ static void cleanup_card(struct net_device *dev) kfree(lp); } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/lne390.c b/drivers/net/lne390.c index 5795ee11620..0a08d0c4e7b 100644 --- a/drivers/net/lne390.c +++ b/drivers/net/lne390.c @@ -440,7 +440,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/mvme147.c b/drivers/net/mvme147.c index 56a82d8ee8f..e246d00bba6 100644 --- a/drivers/net/mvme147.c +++ b/drivers/net/mvme147.c @@ -184,7 +184,7 @@ static int m147lance_close(struct net_device *dev) MODULE_LICENSE("GPL"); static struct net_device *dev_mvme147_lance; -int init_module(void) +int __init init_module(void) { dev_mvme147_lance = mvme147lance_probe(-1); if (IS_ERR(dev_mvme147_lance)) @@ -192,7 +192,7 @@ int init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { struct m147lance_private *lp = dev_mvme147_lance->priv; unregister_netdev(dev_mvme147_lance); diff --git a/drivers/net/ne.c b/drivers/net/ne.c index 787aa422152..a5c4199e275 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -867,7 +867,7 @@ static void cleanup_card(struct net_device *dev) release_region(dev->base_addr, NE_IO_EXTENT); } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/ne2.c b/drivers/net/ne2.c index 5fccfea66d8..089b5bb702f 100644 --- a/drivers/net/ne2.c +++ b/drivers/net/ne2.c @@ -813,7 +813,7 @@ static void cleanup_card(struct net_device *dev) release_region(dev->base_addr, NE_IO_EXTENT); } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c index 26e42f6e9fb..196993a29b0 100644 --- a/drivers/net/ni52.c +++ b/drivers/net/ni52.c @@ -1335,7 +1335,7 @@ int __init init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { unregister_netdev(dev_ni52); release_region(dev_ni52->base_addr, NI52_TOTAL_SIZE); diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c index 340ad0d5388..1578f4d9849 100644 --- a/drivers/net/ni65.c +++ b/drivers/net/ni65.c @@ -1259,7 +1259,7 @@ int __init init_module(void) return IS_ERR(dev_ni65) ? PTR_ERR(dev_ni65) : 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { unregister_netdev(dev_ni65); cleanup_card(dev_ni65); diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c index d9d0a3a3c55..0d6c95c7aed 100644 --- a/drivers/net/seeq8005.c +++ b/drivers/net/seeq8005.c @@ -750,7 +750,7 @@ int __init init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { unregister_netdev(dev_seeq); release_region(dev_seeq->base_addr, SEEQ8005_IO_EXTENT); diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c index 889ef0d7c37..d70bc979534 100644 --- a/drivers/net/smc-ultra.c +++ b/drivers/net/smc-ultra.c @@ -593,7 +593,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/smc-ultra32.c b/drivers/net/smc-ultra32.c index e10755ec5de..2c5319c62fa 100644 --- a/drivers/net/smc-ultra32.c +++ b/drivers/net/smc-ultra32.c @@ -437,7 +437,7 @@ int __init init_module(void) return -ENXIO; } -void cleanup_module(void) +void __exit cleanup_module(void) { int this_dev; diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c index c0d13d65091..bd6e84506c2 100644 --- a/drivers/net/smc9194.c +++ b/drivers/net/smc9194.c @@ -1616,7 +1616,7 @@ int __init init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { unregister_netdev(devSMC9194); free_irq(devSMC9194->irq, devSMC9194); diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c index 47a1c09d19a..c62e85d89f4 100644 --- a/drivers/net/sun3lance.c +++ b/drivers/net/sun3lance.c @@ -945,7 +945,7 @@ static void set_multicast_list( struct net_device *dev ) static struct net_device *sun3lance_dev; -int init_module(void) +int __init init_module(void) { sun3lance_dev = sun3lance_probe(-1); if (IS_ERR(sun3lance_dev)) @@ -953,7 +953,7 @@ int init_module(void) return 0; } -void cleanup_module(void) +void __exit cleanup_module(void) { unregister_netdev(sun3lance_dev); #ifdef CONFIG_SUN3 diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c index 46dabdb1207..cec282a6f62 100644 --- a/drivers/net/tokenring/smctr.c +++ b/drivers/net/tokenring/smctr.c @@ -5706,7 +5706,7 @@ int __init init_module(void) return found ? 0 : -ENODEV; } -void cleanup_module(void) +void __exit cleanup_module(void) { int i; diff --git a/drivers/net/wd.c b/drivers/net/wd.c index 41f1d677884..7f38012b9c9 100644 --- a/drivers/net/wd.c +++ b/drivers/net/wd.c @@ -538,7 +538,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void +void __exit cleanup_module(void) { int this_dev; -- cgit v1.2.3 From bffa2154956da31f59c6050f176fadba630ff53a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 15 Jun 2006 14:23:19 -0400 Subject: [PATCH] drivers/net/arm missing __devinit Signed-off-by: Al Viro --- drivers/net/arm/ether1.c | 6 +++--- drivers/net/arm/ether3.c | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/net/arm/ether1.c b/drivers/net/arm/ether1.c index f3478a30e77..d6da3ce9ad7 100644 --- a/drivers/net/arm/ether1.c +++ b/drivers/net/arm/ether1.c @@ -254,7 +254,7 @@ ether1_readbuffer (struct net_device *dev, void *data, unsigned int start, unsig } while (thislen); } -static int __init +static int __devinit ether1_ramtest(struct net_device *dev, unsigned char byte) { unsigned char *buffer = kmalloc (BUFFER_SIZE, GFP_KERNEL); @@ -308,7 +308,7 @@ ether1_reset (struct net_device *dev) return BUS_16; } -static int __init +static int __devinit ether1_init_2(struct net_device *dev) { int i; @@ -986,7 +986,7 @@ ether1_setmulticastlist (struct net_device *dev) /* ------------------------------------------------------------------------- */ -static void __init ether1_banner(void) +static void __devinit ether1_banner(void) { static unsigned int version_printed = 0; diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c index 84686c8a5bc..4fc234785d5 100644 --- a/drivers/net/arm/ether3.c +++ b/drivers/net/arm/ether3.c @@ -198,7 +198,7 @@ static inline void ether3_ledon(struct net_device *dev) * Read the ethernet address string from the on board rom. * This is an ascii string!!! */ -static int __init +static int __devinit ether3_addr(char *addr, struct expansion_card *ec) { struct in_chunk_dir cd; @@ -223,7 +223,7 @@ ether3_addr(char *addr, struct expansion_card *ec) /* --------------------------------------------------------------------------- */ -static int __init +static int __devinit ether3_ramtest(struct net_device *dev, unsigned char byte) { unsigned char *buffer = kmalloc(RX_END, GFP_KERNEL); @@ -272,7 +272,7 @@ ether3_ramtest(struct net_device *dev, unsigned char byte) /* ------------------------------------------------------------------------------- */ -static int __init ether3_init_2(struct net_device *dev) +static int __devinit ether3_init_2(struct net_device *dev) { int i; @@ -765,7 +765,7 @@ static void ether3_tx(struct net_device *dev) } } -static void __init ether3_banner(void) +static void __devinit ether3_banner(void) { static unsigned version_printed = 0; -- cgit v1.2.3 From 40f6cff5c47efac2df361fbfc2eb2816729986c8 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 13:48:32 -0500 Subject: [PATCH] myri10ge annotations Signed-off-by: Al Viro --- drivers/net/myri10ge/myri10ge.c | 91 ++++++++++++++------------ drivers/net/myri10ge/myri10ge_mcp.h | 56 ++++++++-------- drivers/net/myri10ge/myri10ge_mcp_gen_header.h | 2 +- 3 files changed, 77 insertions(+), 72 deletions(-) (limited to 'drivers') diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 36350e6db1c..d320bbeeeff 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -89,7 +89,7 @@ MODULE_LICENSE("Dual BSD/GPL"); #define MYRI10GE_EEPROM_STRINGS_SIZE 256 #define MYRI10GE_MAX_SEND_DESC_TSO ((65536 / 2048) * 2) -#define MYRI10GE_NO_CONFIRM_DATA 0xffffffff +#define MYRI10GE_NO_CONFIRM_DATA htonl(0xffffffff) #define MYRI10GE_NO_RESPONSE_RESULT 0xffffffff struct myri10ge_rx_buffer_state { @@ -156,8 +156,8 @@ struct myri10ge_priv { int sram_size; unsigned long board_span; unsigned long iomem_base; - u32 __iomem *irq_claim; - u32 __iomem *irq_deassert; + __be32 __iomem *irq_claim; + __be32 __iomem *irq_deassert; char *mac_addr_string; struct mcp_cmd_response *cmd; dma_addr_t cmd_bus; @@ -165,10 +165,10 @@ struct myri10ge_priv { dma_addr_t fw_stats_bus; struct pci_dev *pdev; int msi_enabled; - unsigned int link_state; + __be32 link_state; unsigned int rdma_tags_available; int intr_coal_delay; - u32 __iomem *intr_coal_delay_ptr; + __be32 __iomem *intr_coal_delay_ptr; int mtrr; int wake_queue; int stop_queue; @@ -273,6 +273,11 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)"); #define myri10ge_pio_copy(to,from,size) __iowrite64_copy(to,from,size/8) +static inline void put_be32(__be32 val, __be32 __iomem *p) +{ + __raw_writel((__force __u32)val, (__force void __iomem *)p); +} + static int myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd, struct myri10ge_cmd *data, int atomic) @@ -296,7 +301,7 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd, buf->response_addr.low = htonl(dma_low); buf->response_addr.high = htonl(dma_high); - response->result = MYRI10GE_NO_RESPONSE_RESULT; + response->result = htonl(MYRI10GE_NO_RESPONSE_RESULT); mb(); myri10ge_pio_copy(cmd_addr, buf, sizeof(*buf)); @@ -311,14 +316,14 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd, * (1ms will be enough for those commands) */ for (sleep_total = 0; sleep_total < 1000 - && response->result == MYRI10GE_NO_RESPONSE_RESULT; + && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT); sleep_total += 10) udelay(10); } else { /* use msleep for most command */ for (sleep_total = 0; sleep_total < 15 - && response->result == MYRI10GE_NO_RESPONSE_RESULT; + && response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT); sleep_total++) msleep(1); } @@ -393,7 +398,7 @@ abort: static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable) { char __iomem *submit; - u32 buf[16]; + __be32 buf[16]; u32 dma_low, dma_high; int i; @@ -410,7 +415,7 @@ static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable) buf[0] = htonl(dma_high); /* confirm addr MSW */ buf[1] = htonl(dma_low); /* confirm addr LSW */ - buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */ + buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */ buf[3] = htonl(dma_high); /* dummy addr MSW */ buf[4] = htonl(dma_low); /* dummy addr LSW */ buf[5] = htonl(enable); /* enable? */ @@ -479,7 +484,7 @@ static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size) } /* check id */ - hdr_offset = ntohl(*(u32 *) (fw->data + MCP_HEADER_PTR_OFFSET)); + hdr_offset = ntohl(*(__be32 *) (fw->data + MCP_HEADER_PTR_OFFSET)); if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > fw->size) { dev_err(dev, "Bad firmware file\n"); status = -EINVAL; @@ -550,7 +555,7 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp) static int myri10ge_load_firmware(struct myri10ge_priv *mgp) { char __iomem *submit; - u32 buf[16]; + __be32 buf[16]; u32 dma_low, dma_high, size; int status, i; @@ -600,7 +605,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp) buf[0] = htonl(dma_high); /* confirm addr MSW */ buf[1] = htonl(dma_low); /* confirm addr LSW */ - buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */ + buf[2] = MYRI10GE_NO_CONFIRM_DATA; /* confirm data */ /* FIX: All newest firmware should un-protect the bottom of * the sram before handoff. However, the very first interfaces @@ -705,21 +710,21 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0); - mgp->irq_claim = (__iomem u32 *) (mgp->sram + cmd.data0); + mgp->irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0); if (!mgp->msi_enabled) { status |= myri10ge_send_cmd (mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, &cmd, 0); - mgp->irq_deassert = (__iomem u32 *) (mgp->sram + cmd.data0); + mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0); } status |= myri10ge_send_cmd (mgp, MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, &cmd, 0); - mgp->intr_coal_delay_ptr = (__iomem u32 *) (mgp->sram + cmd.data0); + mgp->intr_coal_delay_ptr = (__iomem __be32 *) (mgp->sram + cmd.data0); if (status != 0) { dev_err(&mgp->pdev->dev, "failed set interrupt parameters\n"); return status; } - __raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); + put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); /* Run a small DMA test. * The magic multipliers to the length tell the firmware @@ -786,14 +791,14 @@ static inline void myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst, struct mcp_kreq_ether_recv *src) { - u32 low; + __be32 low; low = src->addr_low; - src->addr_low = DMA_32BIT_MASK; + src->addr_low = htonl(DMA_32BIT_MASK); myri10ge_pio_copy(dst, src, 8 * sizeof(*src)); mb(); src->addr_low = low; - __raw_writel(low, &dst->addr_low); + put_be32(low, &dst->addr_low); mb(); } @@ -939,11 +944,11 @@ done: return retval; } -static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum) +static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum) { struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data); - if ((skb->protocol == ntohs(ETH_P_8021Q)) && + if ((skb->protocol == htons(ETH_P_8021Q)) && (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) || vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) { skb->csum = hw_csum; @@ -953,7 +958,7 @@ static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum) static inline unsigned long myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, - int bytes, int len, int csum) + int bytes, int len, __wsum csum) { dma_addr_t bus; struct sk_buff *skb; @@ -986,12 +991,12 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, skb->protocol = eth_type_trans(skb, mgp->dev); if (mgp->csum_flag) { - if ((skb->protocol == ntohs(ETH_P_IP)) || - (skb->protocol == ntohs(ETH_P_IPV6))) { - skb->csum = ntohs((u16) csum); + if ((skb->protocol == htons(ETH_P_IP)) || + (skb->protocol == htons(ETH_P_IPV6))) { + skb->csum = csum; skb->ip_summed = CHECKSUM_COMPLETE; } else - myri10ge_vlan_ip_csum(skb, ntohs((u16) csum)); + myri10ge_vlan_ip_csum(skb, csum); } netif_receive_skb(skb); @@ -1060,12 +1065,12 @@ static inline void myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int *limit) int idx = rx_done->idx; int cnt = rx_done->cnt; u16 length; - u16 checksum; + __wsum checksum; while (rx_done->entry[idx].length != 0 && *limit != 0) { length = ntohs(rx_done->entry[idx].length); rx_done->entry[idx].length = 0; - checksum = ntohs(rx_done->entry[idx].checksum); + checksum = csum_unfold(rx_done->entry[idx].checksum); if (length <= mgp->small_bytes) rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small, mgp->small_bytes, @@ -1142,7 +1147,7 @@ static int myri10ge_poll(struct net_device *netdev, int *budget) if (rx_done->entry[rx_done->idx].length == 0 || !netif_running(netdev)) { netif_rx_complete(netdev); - __raw_writel(htonl(3), mgp->irq_claim); + put_be32(htonl(3), mgp->irq_claim); return 0; } return 1; @@ -1166,7 +1171,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg) netif_rx_schedule(mgp->dev); if (!mgp->msi_enabled) { - __raw_writel(0, mgp->irq_deassert); + put_be32(0, mgp->irq_deassert); if (!myri10ge_deassert_wait) stats->valid = 0; mb(); @@ -1195,7 +1200,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg) myri10ge_check_statblock(mgp); - __raw_writel(htonl(3), mgp->irq_claim + 1); + put_be32(htonl(3), mgp->irq_claim + 1); return (IRQ_HANDLED); } @@ -1233,7 +1238,7 @@ myri10ge_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal) struct myri10ge_priv *mgp = netdev_priv(netdev); mgp->intr_coal_delay = coal->rx_coalesce_usecs; - __raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); + put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); return 0; } @@ -1748,7 +1753,7 @@ static int myri10ge_open(struct net_device *dev) goto abort_with_rings; } - mgp->link_state = -1; + mgp->link_state = htonl(~0U); mgp->rdma_tags_available = 15; netif_poll_enable(mgp->dev); /* must happen prior to any irq */ @@ -1876,7 +1881,7 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src, /* re-write the last 32-bits with the valid flags */ src->flags = last_flags; - __raw_writel(*((u32 *) src + 3), (u32 __iomem *) dst + 3); + put_be32(*((__be32 *) src + 3), (__be32 __iomem *) dst + 3); tx->req += cnt; mb(); } @@ -1919,7 +1924,8 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev) struct myri10ge_tx_buf *tx = &mgp->tx; struct skb_frag_struct *frag; dma_addr_t bus; - u32 low, high_swapped; + u32 low; + __be32 high_swapped; unsigned int len; int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments; u16 pseudo_hdr_offset, cksum_offset; @@ -1964,7 +1970,6 @@ again: cksum_offset = 0; pseudo_hdr_offset = 0; } else { - pseudo_hdr_offset = htons(pseudo_hdr_offset); odd_flag = MXGEFW_FLAGS_ALIGN_ODD; flags |= MXGEFW_FLAGS_CKSUM; } @@ -1986,7 +1991,7 @@ again: /* for TSO, pseudo_hdr_offset holds mss. * The firmware figures out where to put * the checksum by parsing the header. */ - pseudo_hdr_offset = htons(mss); + pseudo_hdr_offset = mss; } else #endif /*NETIF_F_TSO */ /* Mark small packets, and pad out tiny packets */ @@ -2086,7 +2091,7 @@ again: #endif /* NETIF_F_TSO */ req->addr_high = high_swapped; req->addr_low = htonl(low); - req->pseudo_hdr_offset = pseudo_hdr_offset; + req->pseudo_hdr_offset = htons(pseudo_hdr_offset); req->pad = 0; /* complete solid 16-byte block; does this matter? */ req->rdma_count = 1; req->length = htons(seglen); @@ -2199,6 +2204,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev) struct myri10ge_cmd cmd; struct myri10ge_priv *mgp; struct dev_mc_list *mc_list; + __be32 data[2] = {0, 0}; int err; mgp = netdev_priv(dev); @@ -2237,10 +2243,9 @@ static void myri10ge_set_multicast_list(struct net_device *dev) /* Walk the multicast list, and add each address */ for (mc_list = dev->mc_list; mc_list != NULL; mc_list = mc_list->next) { - memcpy(&cmd.data0, &mc_list->dmi_addr, 4); - memcpy(&cmd.data1, ((char *)&mc_list->dmi_addr) + 4, 2); - cmd.data0 = htonl(cmd.data0); - cmd.data1 = htonl(cmd.data1); + memcpy(data, &mc_list->dmi_addr, 6); + cmd.data0 = ntohl(data[0]); + cmd.data1 = ntohl(data[1]); err = myri10ge_send_cmd(mgp, MXGEFW_JOIN_MULTICAST_GROUP, &cmd, 1); diff --git a/drivers/net/myri10ge/myri10ge_mcp.h b/drivers/net/myri10ge/myri10ge_mcp.h index 9519ae7cd5e..29463b301a8 100644 --- a/drivers/net/myri10ge/myri10ge_mcp.h +++ b/drivers/net/myri10ge/myri10ge_mcp.h @@ -6,23 +6,23 @@ /* 8 Bytes */ struct mcp_dma_addr { - u32 high; - u32 low; + __be32 high; + __be32 low; }; /* 4 Bytes */ struct mcp_slot { - u16 checksum; - u16 length; + __sum16 checksum; + __be16 length; }; /* 64 Bytes */ struct mcp_cmd { - u32 cmd; - u32 data0; /* will be low portion if data > 32 bits */ + __be32 cmd; + __be32 data0; /* will be low portion if data > 32 bits */ /* 8 */ - u32 data1; /* will be high portion if data > 32 bits */ - u32 data2; /* currently unused.. */ + __be32 data1; /* will be high portion if data > 32 bits */ + __be32 data2; /* currently unused.. */ /* 16 */ struct mcp_dma_addr response_addr; /* 24 */ @@ -31,8 +31,8 @@ struct mcp_cmd { /* 8 Bytes */ struct mcp_cmd_response { - u32 data; - u32 result; + __be32 data; + __be32 result; }; /* @@ -73,10 +73,10 @@ union mcp_pso_or_cumlen { /* 16 Bytes */ struct mcp_kreq_ether_send { - u32 addr_high; - u32 addr_low; - u16 pseudo_hdr_offset; - u16 length; + __be32 addr_high; + __be32 addr_low; + __be16 pseudo_hdr_offset; + __be16 length; u8 pad; u8 rdma_count; u8 cksum_offset; /* where to start computing cksum */ @@ -85,8 +85,8 @@ struct mcp_kreq_ether_send { /* 8 Bytes */ struct mcp_kreq_ether_recv { - u32 addr_high; - u32 addr_low; + __be32 addr_high; + __be32 addr_low; }; /* Commands */ @@ -219,19 +219,19 @@ enum myri10ge_mcp_cmd_status { struct mcp_irq_data { /* add new counters at the beginning */ - u32 future_use[5]; - u32 dropped_multicast_filtered; + __be32 future_use[5]; + __be32 dropped_multicast_filtered; /* 40 Bytes */ - u32 send_done_count; - - u32 link_up; - u32 dropped_link_overflow; - u32 dropped_link_error_or_filtered; - u32 dropped_runt; - u32 dropped_overrun; - u32 dropped_no_small_buffer; - u32 dropped_no_big_buffer; - u32 rdma_tags_available; + __be32 send_done_count; + + __be32 link_up; + __be32 dropped_link_overflow; + __be32 dropped_link_error_or_filtered; + __be32 dropped_runt; + __be32 dropped_overrun; + __be32 dropped_no_small_buffer; + __be32 dropped_no_big_buffer; + __be32 rdma_tags_available; u8 tx_stopped; u8 link_down; diff --git a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h index 487f7792fd4..16a810dd6d5 100644 --- a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h +++ b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h @@ -36,7 +36,7 @@ struct mcp_gen_header { /* the first 4 fields are filled at compile time */ unsigned header_length; - unsigned mcp_type; + __be32 mcp_type; char version[128]; unsigned mcp_globals; /* pointer to mcp-type specific structure */ -- cgit v1.2.3 From c69fda4e181fe448c43c2e1cc7b3fa67263d88ca Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 14:12:54 -0500 Subject: [PATCH] ns83820 annotations Signed-off-by: Al Viro --- drivers/net/ns83820.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index b0127c71a5b..eb0e119bc0d 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -414,10 +414,10 @@ struct rx_info { struct sk_buff *skbs[NR_RX_DESC]; - u32 *next_rx_desc; + __le32 *next_rx_desc; u16 next_rx, next_empty; - u32 *descs; + __le32 *descs; dma_addr_t phy_descs; }; @@ -459,7 +459,7 @@ struct ns83820 { struct sk_buff *tx_skbs[NR_TX_DESC]; char pad[16] __attribute__((aligned(16))); - u32 *tx_descs; + __le32 *tx_descs; dma_addr_t tx_phy_descs; struct timer_list tx_watchdog; @@ -533,7 +533,7 @@ static void ns83820_vlan_rx_kill_vid(struct net_device *ndev, unsigned short vid * conditions, still route realtime traffic with as low jitter as * possible. */ -static inline void build_rx_desc(struct ns83820 *dev, u32 *desc, dma_addr_t link, dma_addr_t buf, u32 cmdsts, u32 extsts) +static inline void build_rx_desc(struct ns83820 *dev, __le32 *desc, dma_addr_t link, dma_addr_t buf, u32 cmdsts, u32 extsts) { desc_addr_set(desc + DESC_LINK, link); desc_addr_set(desc + DESC_BUFPTR, buf); @@ -547,7 +547,7 @@ static inline int ns83820_add_rx_skb(struct ns83820 *dev, struct sk_buff *skb) { unsigned next_empty; u32 cmdsts; - u32 *sg; + __le32 *sg; dma_addr_t buf; next_empty = dev->rx_info.next_empty; @@ -874,7 +874,8 @@ static void fastcall rx_irq(struct net_device *ndev) struct rx_info *info = &dev->rx_info; unsigned next_rx; int rx_rc, len; - u32 cmdsts, *desc; + u32 cmdsts; + __le32 *desc; unsigned long flags; int nr = 0; @@ -1010,7 +1011,8 @@ static inline void kick_tx(struct ns83820 *dev) static void do_tx_done(struct net_device *ndev) { struct ns83820 *dev = PRIV(ndev); - u32 cmdsts, tx_done_idx, *desc; + u32 cmdsts, tx_done_idx; + __le32 *desc; dprintk("do_tx_done(%p)\n", ndev); tx_done_idx = dev->tx_done_idx; @@ -1077,7 +1079,7 @@ static void ns83820_cleanup_tx(struct ns83820 *dev) struct sk_buff *skb = dev->tx_skbs[i]; dev->tx_skbs[i] = NULL; if (skb) { - u32 *desc = dev->tx_descs + (i * DESC_SIZE); + __le32 *desc = dev->tx_descs + (i * DESC_SIZE); pci_unmap_single(dev->pci_dev, desc_addr_get(desc + DESC_BUFPTR), le32_to_cpu(desc[DESC_CMDSTS]) & CMDSTS_LEN_MASK, @@ -1107,7 +1109,7 @@ static int ns83820_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) skb_frag_t *frag; int stopped = 0; int do_intr = 0; - volatile u32 *first_desc; + volatile __le32 *first_desc; dprintk("ns83820_hard_start_xmit\n"); @@ -1180,7 +1182,7 @@ again: first_desc = dev->tx_descs + (free_idx * DESC_SIZE); for (;;) { - volatile u32 *desc = dev->tx_descs + (free_idx * DESC_SIZE); + volatile __le32 *desc = dev->tx_descs + (free_idx * DESC_SIZE); dprintk("frag[%3u]: %4u @ 0x%08Lx\n", free_idx, len, (unsigned long long)buf); @@ -1455,7 +1457,8 @@ static int ns83820_stop(struct net_device *ndev) static void ns83820_tx_timeout(struct net_device *ndev) { struct ns83820 *dev = PRIV(ndev); - u32 tx_done_idx, *desc; + u32 tx_done_idx; + __le32 *desc; unsigned long flags; spin_lock_irqsave(&dev->tx_lock, flags); -- cgit v1.2.3 From 9b9129e73985fe31ee6fd6a5d9f04219d127c186 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Mon, 27 Nov 2006 14:21:01 -0700 Subject: [POWERPC] typo fix and whitespace cleanup on mpc52xx-uart driver Single typo fix and whitespace changes. In preparation for heavy changes to this driver when support for arch/powerpc is added. Since the driver will be changing significantly anyway, then may as well take the opportunity to clean it up first. Signed-off-by: Grant Likely Signed-off-by: Sylvain Munaut Signed-off-by: Paul Mackerras --- drivers/serial/mpc52xx_uart.c | 116 +++++++++++++++++++++--------------------- 1 file changed, 57 insertions(+), 59 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 4f80c5b4a75..8e24133166a 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -1,6 +1,4 @@ /* - * drivers/serial/mpc52xx_uart.c - * * Driver for the PSC of the Freescale MPC52xx PSCs configured as UARTs. * * FIXME According to the usermanual the status bits in the status register @@ -14,18 +12,18 @@ * * * Maintainer : Sylvain Munaut - * + * * Some of the code has been inspired/copied from the 2.4 code written * by Dale Farnsworth . - * + * * Copyright (C) 2004-2005 Sylvain Munaut * Copyright (C) 2003 MontaVista, Software, Inc. - * + * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ - + /* Platform device Usage : * * Since PSCs can have multiple function, the correct driver for each one @@ -101,27 +99,27 @@ static irqreturn_t mpc52xx_uart_int(int irq,void *dev_id); /* UART operations */ /* ======================================================================== */ -static unsigned int +static unsigned int mpc52xx_uart_tx_empty(struct uart_port *port) { int status = in_be16(&PSC(port)->mpc52xx_psc_status); return (status & MPC52xx_PSC_SR_TXEMP) ? TIOCSER_TEMT : 0; } -static void +static void mpc52xx_uart_set_mctrl(struct uart_port *port, unsigned int mctrl) { /* Not implemented */ } -static unsigned int +static unsigned int mpc52xx_uart_get_mctrl(struct uart_port *port) { /* Not implemented */ return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR; } -static void +static void mpc52xx_uart_stop_tx(struct uart_port *port) { /* port->lock taken by caller */ @@ -129,7 +127,7 @@ mpc52xx_uart_stop_tx(struct uart_port *port) out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask); } -static void +static void mpc52xx_uart_start_tx(struct uart_port *port) { /* port->lock taken by caller */ @@ -137,12 +135,12 @@ mpc52xx_uart_start_tx(struct uart_port *port) out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask); } -static void +static void mpc52xx_uart_send_xchar(struct uart_port *port, char ch) { unsigned long flags; spin_lock_irqsave(&port->lock, flags); - + port->x_char = ch; if (ch) { /* Make sure tx interrupts are on */ @@ -150,7 +148,7 @@ mpc52xx_uart_send_xchar(struct uart_port *port, char ch) port->read_status_mask |= MPC52xx_PSC_IMR_TXRDY; out_be16(&PSC(port)->mpc52xx_psc_imr,port->read_status_mask); } - + spin_unlock_irqrestore(&port->lock, flags); } @@ -178,7 +176,7 @@ mpc52xx_uart_break_ctl(struct uart_port *port, int ctl) out_8(&PSC(port)->command,MPC52xx_PSC_START_BRK); else out_8(&PSC(port)->command,MPC52xx_PSC_STOP_BRK); - + spin_unlock_irqrestore(&port->lock, flags); } @@ -197,11 +195,11 @@ mpc52xx_uart_startup(struct uart_port *port) /* Reset/activate the port, clear and enable interrupts */ out_8(&psc->command,MPC52xx_PSC_RST_RX); out_8(&psc->command,MPC52xx_PSC_RST_TX); - + out_be32(&psc->sicr,0); /* UART mode DCD ignored */ out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); /* /16 prescaler on */ - + out_8(&psc->rfcntl, 0x00); out_be16(&psc->rfalarm, 0x1ff); out_8(&psc->tfcntl, 0x07); @@ -209,10 +207,10 @@ mpc52xx_uart_startup(struct uart_port *port) port->read_status_mask |= MPC52xx_PSC_IMR_RXRDY | MPC52xx_PSC_IMR_TXRDY; out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask); - + out_8(&psc->command,MPC52xx_PSC_TX_ENABLE); out_8(&psc->command,MPC52xx_PSC_RX_ENABLE); - + return 0; } @@ -220,19 +218,19 @@ static void mpc52xx_uart_shutdown(struct uart_port *port) { struct mpc52xx_psc __iomem *psc = PSC(port); - + /* Shut down the port, interrupt and all */ out_8(&psc->command,MPC52xx_PSC_RST_RX); out_8(&psc->command,MPC52xx_PSC_RST_TX); - - port->read_status_mask = 0; + + port->read_status_mask = 0; out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask); /* Release interrupt */ free_irq(port->irq, port); } -static void +static void mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, struct termios *old) { @@ -241,10 +239,10 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, unsigned char mr1, mr2; unsigned short ctr; unsigned int j, baud, quot; - + /* Prepare what we're gonna write */ mr1 = 0; - + switch (new->c_cflag & CSIZE) { case CS5: mr1 |= MPC52xx_PSC_MODE_5_BITS; break; @@ -261,8 +259,8 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, MPC52xx_PSC_MODE_PARODD : MPC52xx_PSC_MODE_PAREVEN; } else mr1 |= MPC52xx_PSC_MODE_PARNONE; - - + + mr2 = 0; if (new->c_cflag & CSTOPB) @@ -276,7 +274,7 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, baud = uart_get_baud_rate(port, new, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); ctr = quot & 0xffff; - + /* Get the lock */ spin_lock_irqsave(&port->lock, flags); @@ -290,14 +288,14 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, * boot for the console, all stuff is not yet ready to receive at that * time and that just makes the kernel oops */ /* while (j-- && mpc52xx_uart_int_rx_chars(port)); */ - while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP) && + while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP) && --j) udelay(1); if (!j) printk( KERN_ERR "mpc52xx_uart.c: " "Unable to flush RX & TX fifos in-time in set_termios." - "Some chars may have been lost.\n" ); + "Some chars may have been lost.\n" ); /* Reset the TX & RX */ out_8(&psc->command,MPC52xx_PSC_RST_RX); @@ -309,7 +307,7 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct termios *new, out_8(&psc->mode,mr2); out_8(&psc->ctur,ctr >> 8); out_8(&psc->ctlr,ctr & 0xff); - + /* Reenable TX & RX */ out_8(&psc->command,MPC52xx_PSC_TX_ENABLE); out_8(&psc->command,MPC52xx_PSC_RX_ENABLE); @@ -373,7 +371,7 @@ mpc52xx_uart_verify_port(struct uart_port *port, struct serial_struct *ser) if ( (ser->irq != port->irq) || (ser->io_type != SERIAL_IO_MEM) || - (ser->baud_base != port->uartclk) || + (ser->baud_base != port->uartclk) || (ser->iomem_base != (void*)port->mapbase) || (ser->hub6 != 0 ) ) return -EINVAL; @@ -404,11 +402,11 @@ static struct uart_ops mpc52xx_uart_ops = { .verify_port = mpc52xx_uart_verify_port }; - + /* ======================================================================== */ /* Interrupt handling */ /* ======================================================================== */ - + static inline int mpc52xx_uart_int_rx_chars(struct uart_port *port) { @@ -435,11 +433,11 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port) flag = TTY_NORMAL; port->icount.rx++; - + if ( status & (MPC52xx_PSC_SR_PE | MPC52xx_PSC_SR_FE | MPC52xx_PSC_SR_RB) ) { - + if (status & MPC52xx_PSC_SR_RB) { flag = TTY_BREAK; uart_handle_break(port); @@ -464,7 +462,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port) } tty_flip_buffer_push(tty); - + return in_be16(&PSC(port)->mpc52xx_psc_status) & MPC52xx_PSC_SR_RXRDY; } @@ -509,25 +507,25 @@ mpc52xx_uart_int_tx_chars(struct uart_port *port) return 1; } -static irqreturn_t +static irqreturn_t mpc52xx_uart_int(int irq, void *dev_id) { struct uart_port *port = dev_id; unsigned long pass = ISR_PASS_LIMIT; unsigned int keepgoing; unsigned short status; - + spin_lock(&port->lock); - + /* While we have stuff to do, we continue */ do { /* If we don't find anything to do, we stop */ - keepgoing = 0; - + keepgoing = 0; + /* Read status */ status = in_be16(&PSC(port)->mpc52xx_psc_isr); status &= port->read_status_mask; - + /* Do we need to receive chars ? */ /* For this RX interrupts must be on and some chars waiting */ if ( status & MPC52xx_PSC_IMR_RXRDY ) @@ -537,15 +535,15 @@ mpc52xx_uart_int(int irq, void *dev_id) /* For this, TX must be ready and TX interrupt enabled */ if ( status & MPC52xx_PSC_IMR_TXRDY ) keepgoing |= mpc52xx_uart_int_tx_chars(port); - + /* Limit number of iteration */ if ( !(--pass) ) keepgoing = 0; } while (keepgoing); - + spin_unlock(&port->lock); - + return IRQ_HANDLED; } @@ -566,7 +564,7 @@ mpc52xx_console_get_options(struct uart_port *port, /* Read the mode registers */ out_8(&psc->command,MPC52xx_PSC_SEL_MODE_REG_1); mr1 = in_8(&psc->mode); - + /* CT{U,L}R are write-only ! */ *baud = __res.bi_baudrate ? __res.bi_baudrate : CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD; @@ -579,26 +577,26 @@ mpc52xx_console_get_options(struct uart_port *port, case MPC52xx_PSC_MODE_8_BITS: default: *bits = 8; } - + if (mr1 & MPC52xx_PSC_MODE_PARNONE) *parity = 'n'; else *parity = mr1 & MPC52xx_PSC_MODE_PARODD ? 'o' : 'e'; } -static void +static void mpc52xx_console_write(struct console *co, const char *s, unsigned int count) { struct uart_port *port = &mpc52xx_uart_ports[co->index]; struct mpc52xx_psc __iomem *psc = PSC(port); unsigned int i, j; - + /* Disable interrupts */ out_be16(&psc->mpc52xx_psc_imr, 0); /* Wait the TX buffer to be empty */ - j = 5000000; /* Maximum wait */ - while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP) && + j = 5000000; /* Maximum wait */ + while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP) && --j) udelay(1); @@ -607,13 +605,13 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count) /* Line return handling */ if (*s == '\n') out_8(&psc->mpc52xx_psc_buffer_8, '\r'); - + /* Send the char */ out_8(&psc->mpc52xx_psc_buffer_8, *s); /* Wait the TX buffer to be empty */ - j = 20000; /* Maximum wait */ - while (!(in_be16(&psc->mpc52xx_psc_status) & + j = 20000; /* Maximum wait */ + while (!(in_be16(&psc->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXEMP) && --j) udelay(1); } @@ -634,7 +632,7 @@ mpc52xx_console_setup(struct console *co, char *options) if (co->index < 0 || co->index >= MPC52xx_PSC_MAXNUM) return -EINVAL; - + /* Basic port init. Needed since we use some uart_??? func before * real init for early access */ spin_lock_init(&port->lock); @@ -669,8 +667,8 @@ static struct console mpc52xx_console = { .data = &mpc52xx_uart_driver, }; - -static int __init + +static int __init mpc52xx_console_init(void) { register_console(&mpc52xx_console); @@ -771,7 +769,7 @@ mpc52xx_uart_suspend(struct platform_device *dev, pm_message_t state) { struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev); - if (sport) + if (port) uart_suspend_port(&mpc52xx_uart_driver, port); return 0; -- cgit v1.2.3 From b9272dfdfe6b13120144eabf79d562d9a29ad5ce Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Mon, 27 Nov 2006 14:21:02 -0700 Subject: [POWERPC] Add of_platform_bus support to mpc52xx psc uart driver Needed to support mpc52xx boards in arch/powerpc. This patch retains the platform_bus support when compiling for arch/ppc, but uses the of_platform bindings for arch/powerpc. Signed-off-by: Grant Likely Signed-off-by: Sylvain Munaut Signed-off-by: Paul Mackerras --- drivers/serial/mpc52xx_uart.c | 353 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 337 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 8e24133166a..6dd579ed977 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -16,7 +16,9 @@ * Some of the code has been inspired/copied from the 2.4 code written * by Dale Farnsworth . * - * Copyright (C) 2004-2005 Sylvain Munaut + * Copyright (C) 2006 Secret Lab Technologies Ltd. + * Grant Likely + * Copyright (C) 2004-2006 Sylvain Munaut * Copyright (C) 2003 MontaVista, Software, Inc. * * This file is licensed under the terms of the GNU General Public License @@ -42,7 +44,24 @@ * will be mapped to. */ -#include +/* OF Platform device Usage : + * + * This driver is only used for PSCs configured in uart mode. The device + * tree will have a node for each PSC in uart mode w/ device_type = "serial" + * and "mpc52xx-psc-uart" in the compatible string + * + * By default, PSC devices are enumerated in the order they are found. However + * a particular PSC number can be forces by adding 'device_no = ' + * to the device node. + * + * The driver init all necessary registers to place the PSC in uart mode without + * DCD. However, the pin multiplexing aren't changed and should be set either + * by the bootloader or in the platform init code. + */ + +#undef DEBUG + +#include #include #include #include @@ -52,6 +71,12 @@ #include #include +#if defined(CONFIG_PPC_MERGE) +#include +#else +#include +#endif + #include #include @@ -78,6 +103,12 @@ static struct uart_port mpc52xx_uart_ports[MPC52xx_PSC_MAXNUM]; * it's cleared, then a memset(...,0,...) should be added to * the console_init */ +#if defined(CONFIG_PPC_MERGE) +/* lookup table for matching device nodes to index numbers */ +static struct device_node *mpc52xx_uart_nodes[MPC52xx_PSC_MAXNUM]; + +static void mpc52xx_uart_of_enumerate(void); +#endif #define PSC(port) ((struct mpc52xx_psc __iomem *)((port)->membase)) @@ -94,6 +125,14 @@ static irqreturn_t mpc52xx_uart_int(int irq,void *dev_id); #define uart_console(port) (0) #endif +#if defined(CONFIG_PPC_MERGE) +static struct of_device_id mpc52xx_uart_of_match[] = { + { .type = "serial", .compatible = "mpc52xx-psc-uart", }, + { .type = "serial", .compatible = "mpc5200-psc", }, /* Efika only! */ + {}, +}; +#endif + /* ======================================================================== */ /* UART operations */ @@ -330,7 +369,7 @@ mpc52xx_uart_release_port(struct uart_port *port) port->membase = NULL; } - release_mem_region(port->mapbase, MPC52xx_PSC_SIZE); + release_mem_region(port->mapbase, sizeof(struct mpc52xx_psc)); } static int @@ -339,12 +378,13 @@ mpc52xx_uart_request_port(struct uart_port *port) int err; if (port->flags & UPF_IOREMAP) /* Need to remap ? */ - port->membase = ioremap(port->mapbase, MPC52xx_PSC_SIZE); + port->membase = ioremap(port->mapbase, + sizeof(struct mpc52xx_psc)); if (!port->membase) return -EINVAL; - err = request_mem_region(port->mapbase, MPC52xx_PSC_SIZE, + err = request_mem_region(port->mapbase, sizeof(struct mpc52xx_psc), "mpc52xx_psc_uart") != NULL ? 0 : -EBUSY; if (err && (port->flags & UPF_IOREMAP)) { @@ -561,13 +601,18 @@ mpc52xx_console_get_options(struct uart_port *port, struct mpc52xx_psc __iomem *psc = PSC(port); unsigned char mr1; + pr_debug("mpc52xx_console_get_options(port=%p)\n", port); + /* Read the mode registers */ out_8(&psc->command,MPC52xx_PSC_SEL_MODE_REG_1); mr1 = in_8(&psc->mode); /* CT{U,L}R are write-only ! */ - *baud = __res.bi_baudrate ? - __res.bi_baudrate : CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD; + *baud = CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD; +#if !defined(CONFIG_PPC_MERGE) + if (__res.bi_baudrate) + *baud = __res.bi_baudrate; +#endif /* Parse them */ switch (mr1 & MPC52xx_PSC_MODE_BITS_MASK) { @@ -620,6 +665,7 @@ mpc52xx_console_write(struct console *co, const char *s, unsigned int count) out_be16(&psc->mpc52xx_psc_imr, port->read_status_mask); } +#if !defined(CONFIG_PPC_MERGE) static int __init mpc52xx_console_setup(struct console *co, char *options) { @@ -654,6 +700,78 @@ mpc52xx_console_setup(struct console *co, char *options) return uart_set_options(port, co, baud, parity, bits, flow); } +#else + +static int __init +mpc52xx_console_setup(struct console *co, char *options) +{ + struct uart_port *port = &mpc52xx_uart_ports[co->index]; + struct device_node *np = mpc52xx_uart_nodes[co->index]; + unsigned int ipb_freq; + struct resource res; + int ret; + + int baud = CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + + pr_debug("mpc52xx_console_setup co=%p, co->index=%i, options=%s\n", + co, co->index, options); + + if ((co->index < 0) || (co->index > MPC52xx_PSC_MAXNUM)) { + pr_debug("PSC%x out of range\n", co->index); + return -EINVAL; + } + + if (!np) { + pr_debug("PSC%x not found in device tree\n", co->index); + return -EINVAL; + } + + pr_debug("Console on ttyPSC%x is %s\n", + co->index, mpc52xx_uart_nodes[co->index]->full_name); + + /* Fetch register locations */ + if ((ret = of_address_to_resource(np, 0, &res)) != 0) { + pr_debug("Could not get resources for PSC%x\n", co->index); + return ret; + } + + /* Search for bus-frequency property in this node or a parent */ + if ((ipb_freq = mpc52xx_find_ipb_freq(np)) == 0) { + pr_debug("Could not find IPB bus frequency!\n"); + return -EINVAL; + } + + /* Basic port init. Needed since we use some uart_??? func before + * real init for early access */ + spin_lock_init(&port->lock); + port->uartclk = ipb_freq / 2; + port->ops = &mpc52xx_uart_ops; + port->mapbase = res.start; + port->membase = ioremap(res.start, sizeof(struct mpc52xx_psc)); + port->irq = irq_of_parse_and_map(np, 0); + + if (port->membase == NULL) + return -EINVAL; + + pr_debug("mpc52xx-psc uart at %lx, mapped to %p, irq=%x, freq=%i\n", + port->mapbase, port->membase, port->irq, port->uartclk); + + /* Setup the port parameters accoding to options */ + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + else + mpc52xx_console_get_options(port, &baud, &parity, &bits, &flow); + + pr_debug("Setting console parameters: %i %i%c1 flow=%c\n", + baud, bits, parity, flow); + + return uart_set_options(port, co, baud, parity, bits, flow); +} +#endif /* defined(CONFIG_PPC_MERGE) */ + static struct uart_driver mpc52xx_uart_driver; @@ -671,6 +789,7 @@ static struct console mpc52xx_console = { static int __init mpc52xx_console_init(void) { + mpc52xx_uart_of_enumerate(); register_console(&mpc52xx_console); return 0; } @@ -698,6 +817,7 @@ static struct uart_driver mpc52xx_uart_driver = { }; +#if !defined(CONFIG_PPC_MERGE) /* ======================================================================== */ /* Platform Driver */ /* ======================================================================== */ @@ -721,8 +841,6 @@ mpc52xx_uart_probe(struct platform_device *dev) /* Init the port structure */ port = &mpc52xx_uart_ports[idx]; - memset(port, 0x00, sizeof(struct uart_port)); - spin_lock_init(&port->lock); port->uartclk = __res.bi_ipbfreq / 2; /* Look at CTLR doc */ port->fifosize = 512; @@ -731,6 +849,7 @@ mpc52xx_uart_probe(struct platform_device *dev) ( uart_console(port) ? 0 : UPF_IOREMAP ); port->line = idx; port->ops = &mpc52xx_uart_ops; + port->dev = &dev->dev; /* Search for IRQ and mapbase */ for (i=0 ; inum_resources ; i++, res++) { @@ -787,6 +906,7 @@ mpc52xx_uart_resume(struct platform_device *dev) } #endif + static struct platform_driver mpc52xx_uart_platform_driver = { .probe = mpc52xx_uart_probe, .remove = mpc52xx_uart_remove, @@ -798,6 +918,184 @@ static struct platform_driver mpc52xx_uart_platform_driver = { .name = "mpc52xx-psc", }, }; +#endif /* !defined(CONFIG_PPC_MERGE) */ + + +#if defined(CONFIG_PPC_MERGE) +/* ======================================================================== */ +/* OF Platform Driver */ +/* ======================================================================== */ + +static int __devinit +mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match) +{ + int idx = -1; + unsigned int ipb_freq; + struct uart_port *port = NULL; + struct resource res; + int ret; + + dev_dbg(&op->dev, "mpc52xx_uart_probe(op=%p, match=%p)\n", op, match); + + /* Check validity & presence */ + for (idx = 0; idx < MPC52xx_PSC_MAXNUM; idx++) + if (mpc52xx_uart_nodes[idx] == op->node) + break; + if (idx >= MPC52xx_PSC_MAXNUM) + return -EINVAL; + pr_debug("Found %s assigned to ttyPSC%x\n", + mpc52xx_uart_nodes[idx]->full_name, idx); + + /* Search for bus-frequency property in this node or a parent */ + if ((ipb_freq = mpc52xx_find_ipb_freq(op->node)) == 0) { + dev_dbg(&op->dev, "Could not find IPB bus frequency!\n"); + return -EINVAL; + } + + /* Init the port structure */ + port = &mpc52xx_uart_ports[idx]; + + spin_lock_init(&port->lock); + port->uartclk = ipb_freq / 2; + port->fifosize = 512; + port->iotype = UPIO_MEM; + port->flags = UPF_BOOT_AUTOCONF | + ( uart_console(port) ? 0 : UPF_IOREMAP ); + port->line = idx; + port->ops = &mpc52xx_uart_ops; + port->dev = &op->dev; + + /* Search for IRQ and mapbase */ + if ((ret = of_address_to_resource(op->node, 0, &res)) != 0) + return ret; + + port->mapbase = res.start; + port->irq = irq_of_parse_and_map(op->node, 0); + + dev_dbg(&op->dev, "mpc52xx-psc uart at %lx, irq=%x, freq=%i\n", + port->mapbase, port->irq, port->uartclk); + + if ((port->irq==NO_IRQ) || !port->mapbase) { + printk(KERN_ERR "Could not allocate resources for PSC\n"); + return -EINVAL; + } + + /* Add the port to the uart sub-system */ + ret = uart_add_one_port(&mpc52xx_uart_driver, port); + if (!ret) + dev_set_drvdata(&op->dev, (void*)port); + + return ret; +} + +static int +mpc52xx_uart_of_remove(struct of_device *op) +{ + struct uart_port *port = dev_get_drvdata(&op->dev); + dev_set_drvdata(&op->dev, NULL); + + if (port) + uart_remove_one_port(&mpc52xx_uart_driver, port); + + return 0; +} + +#ifdef CONFIG_PM +static int +mpc52xx_uart_of_suspend(struct of_device *op, pm_message_t state) +{ + struct uart_port *port = (struct uart_port *) dev_get_drvdata(&op->dev); + + if (port) + uart_suspend_port(&mpc52xx_uart_driver, port); + + return 0; +} + +static int +mpc52xx_uart_of_resume(struct of_device *op) +{ + struct uart_port *port = (struct uart_port *) dev_get_drvdata(&op->dev); + + if (port) + uart_resume_port(&mpc52xx_uart_driver, port); + + return 0; +} +#endif + +static void +mpc52xx_uart_of_assign(struct device_node *np, int idx) +{ + int free_idx = -1; + int i; + + /* Find the first free node */ + for (i = 0; i < MPC52xx_PSC_MAXNUM; i++) { + if (mpc52xx_uart_nodes[i] == NULL) { + free_idx = i; + break; + } + } + + if ((idx < 0) || (idx >= MPC52xx_PSC_MAXNUM)) + idx = free_idx; + + if (idx < 0) + return; /* No free slot; abort */ + + /* If the slot is already occupied, then swap slots */ + if (mpc52xx_uart_nodes[idx] && (free_idx != -1)) + mpc52xx_uart_nodes[free_idx] = mpc52xx_uart_nodes[idx]; + mpc52xx_uart_nodes[i] = np; +} + +static void +mpc52xx_uart_of_enumerate(void) +{ + static int enum_done = 0; + struct device_node *np; + const unsigned int *devno; + int i; + + if (enum_done) + return; + + for_each_node_by_type(np, "serial") { + if (!of_match_node(mpc52xx_uart_of_match, np)) + continue; + + /* Is a particular device number requested? */ + devno = get_property(np, "device_no", NULL); + mpc52xx_uart_of_assign(of_node_get(np), devno ? *devno : -1); + } + + enum_done = 1; + + for (i = 0; i < MPC52xx_PSC_MAXNUM; i++) { + if (mpc52xx_uart_nodes[i]) + pr_debug("%s assigned to ttyPSC%x\n", + mpc52xx_uart_nodes[i]->full_name, i); + } +} + +MODULE_DEVICE_TABLE(of, mpc52xx_uart_of_match); + +static struct of_platform_driver mpc52xx_uart_of_driver = { + .owner = THIS_MODULE, + .name = "mpc52xx-psc-uart", + .match_table = mpc52xx_uart_of_match, + .probe = mpc52xx_uart_of_probe, + .remove = mpc52xx_uart_of_remove, +#ifdef CONFIG_PM + .suspend = mpc52xx_uart_of_suspend, + .resume = mpc52xx_uart_of_resume, +#endif + .driver = { + .name = "mpc52xx-psc-uart", + }, +}; +#endif /* defined(CONFIG_PPC_MERGE) */ /* ======================================================================== */ @@ -809,22 +1107,45 @@ mpc52xx_uart_init(void) { int ret; - printk(KERN_INFO "Serial: MPC52xx PSC driver\n"); + printk(KERN_INFO "Serial: MPC52xx PSC UART driver\n"); - ret = uart_register_driver(&mpc52xx_uart_driver); - if (ret == 0) { - ret = platform_driver_register(&mpc52xx_uart_platform_driver); - if (ret) - uart_unregister_driver(&mpc52xx_uart_driver); + if ((ret = uart_register_driver(&mpc52xx_uart_driver)) != 0) { + printk(KERN_ERR "%s: uart_register_driver failed (%i)\n", + __FILE__, ret); + return ret; } - return ret; +#if defined(CONFIG_PPC_MERGE) + mpc52xx_uart_of_enumerate(); + + ret = of_register_platform_driver(&mpc52xx_uart_of_driver); + if (ret) { + printk(KERN_ERR "%s: of_register_platform_driver failed (%i)\n", + __FILE__, ret); + uart_unregister_driver(&mpc52xx_uart_driver); + return ret; + } +#else + ret = platform_driver_register(&mpc52xx_uart_platform_driver); + if (ret) { + printk(KERN_ERR "%s: platform_driver_register failed (%i)\n", + __FILE__, ret); + uart_unregister_driver(&mpc52xx_uart_driver); + return ret; + } +#endif + + return 0; } static void __exit mpc52xx_uart_exit(void) { +#if defined(CONFIG_PPC_MERGE) + of_unregister_platform_driver(&mpc52xx_uart_of_driver); +#else platform_driver_unregister(&mpc52xx_uart_platform_driver); +#endif uart_unregister_driver(&mpc52xx_uart_driver); } -- cgit v1.2.3 From 33fee56ae846cdee67d2ab6d14c3baa879dfc794 Mon Sep 17 00:00:00 2001 From: Deepak Saxena Date: Mon, 4 Dec 2006 15:04:46 -0800 Subject: [PATCH] Update smc91x driver with ARM Versatile board info We need to specify a Versatile-specific SMC_IRQ_FLAGS value or the new generic IRQ layer will complain thusly: No IRQF_TRIGGER set_type function for IRQ 25 () Signed-off-by: Deepak Saxena Cc: Jeff Garzik Cc: Russell King Cc: Nicolas Pitre On Fri, 20 Oct 2006 22:50:40 +0100 Russell King wrote: > On Fri, Oct 20, 2006 at 02:42:04PM -0700, akpm@osdl.org wrote: > > We need to specify a Versatile-specific SMC_IRQ_FLAGS value or the new > > generic IRQ layer will complain thusly: > > I don't think I heard anything back from my previous suggestion that > the IRQ flags are passed through the platform device IRQ resource. > > Doing so would avoid adding yet another platform specific block into > the file. > > BTW, Integrator platforms will also suffer from this, which will add > another ifdef to this header. > > Let's do it right and arrange to pass these flags from the platform > code. It's not like they're in a critical path. Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/smc91x.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers') diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 9e0fbc59114..d28adf2546c 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -434,6 +434,24 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r, #define SMC_IRQ_FLAGS (0) +#elif defined(CONFIG_ARCH_VERSATILE) + +#define SMC_CAN_USE_8BIT 1 +#define SMC_CAN_USE_16BIT 1 +#define SMC_CAN_USE_32BIT 1 +#define SMC_NOWAIT 1 + +#define SMC_inb(a, r) readb((a) + (r)) +#define SMC_inw(a, r) readw((a) + (r)) +#define SMC_inl(a, r) readl((a) + (r)) +#define SMC_outb(v, a, r) writeb(v, (a) + (r)) +#define SMC_outw(v, a, r) writew(v, (a) + (r)) +#define SMC_outl(v, a, r) writel(v, (a) + (r)) +#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l) +#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l) + +#define SMC_IRQ_FLAGS (0) + #else #define SMC_CAN_USE_8BIT 1 -- cgit v1.2.3 From 4e1400796c93df5e7f92d766e4a4332d0c98795f Mon Sep 17 00:00:00 2001 From: Andy Gospodarek Date: Mon, 4 Dec 2006 15:04:54 -0800 Subject: [PATCH] bonding: incorrect bonding state reported via ioctl This is a small fix-up to finish out the work done by Jay Vosburgh to add carrier-state support for bonding devices. The output in /proc/net/bonding/bondX was correct, but when collecting the same info via an iotcl it could still be incorrect. Signed-off-by: Andy Gospodarek Cc: Jeff Garzik Cc: Stephen Hemminger Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/bonding/bond_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 488d8ed9e74..6482aed4bb7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3684,7 +3684,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd mii->val_out = 0; read_lock_bh(&bond->lock); read_lock(&bond->curr_slave_lock); - if (bond->curr_active_slave) { + if (netif_carrier_ok(bond->dev)) { mii->val_out = BMSR_LSTATUS; } read_unlock(&bond->curr_slave_lock); -- cgit v1.2.3 From 3b6e8fe7eca12fca2cc7fde46ba2a94a86ab0815 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 4 Dec 2006 15:04:54 -0800 Subject: [PATCH] declance: Fix PMAX and PMAD support The shared buffer used by the LANCE on the PMAX only supports halfword (16-bit) accesses. And the PMAD has the buffer wired differently. This is a change to fix these issues. Tested with a DECstation 2100 (thanks Flo for making this possible) and a DECstation 5000/133 (both the PMAD and the onboard LANCE). Signed-off-by: Maciej W. Rozycki Cc: Jeff Garzik Cc: Ralf Baechle Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/declance.c | 398 +++++++++++++++++++++++++------------------------ 1 file changed, 207 insertions(+), 191 deletions(-) (limited to 'drivers') diff --git a/drivers/net/declance.c b/drivers/net/declance.c index 00e2a8a134d..1167f8f7c27 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -40,6 +40,10 @@ * * v0.009: Module support fixes, multiple interfaces support, various * bits. macro + * + * v0.010: Fixes for the PMAD mapping of the LANCE buffer and for the + * PMAX requirement to only use halfword accesses to the + * buffer. macro */ #include @@ -54,6 +58,7 @@ #include #include #include +#include #include #include @@ -67,7 +72,7 @@ #include static char version[] __devinitdata = -"declance.c: v0.009 by Linux MIPS DECstation task force\n"; +"declance.c: v0.010 by Linux MIPS DECstation task force\n"; MODULE_AUTHOR("Linux MIPS DECstation task force"); MODULE_DESCRIPTION("DEC LANCE (DECstation onboard, PMAD-xx) driver"); @@ -110,24 +115,25 @@ MODULE_LICENSE("GPL"); #define LE_C3_BCON 0x1 /* Byte control */ /* Receive message descriptor 1 */ -#define LE_R1_OWN 0x80 /* Who owns the entry */ -#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */ -#define LE_R1_FRA 0x20 /* FRA: Frame error */ -#define LE_R1_OFL 0x10 /* OFL: Frame overflow */ -#define LE_R1_CRC 0x08 /* CRC error */ -#define LE_R1_BUF 0x04 /* BUF: Buffer error */ -#define LE_R1_SOP 0x02 /* Start of packet */ -#define LE_R1_EOP 0x01 /* End of packet */ -#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */ - -#define LE_T1_OWN 0x80 /* Lance owns the packet */ -#define LE_T1_ERR 0x40 /* Error summary */ -#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */ -#define LE_T1_EONE 0x08 /* Error: one retry needed */ -#define LE_T1_EDEF 0x04 /* Error: deferred */ -#define LE_T1_SOP 0x02 /* Start of packet */ -#define LE_T1_EOP 0x01 /* End of packet */ -#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */ +#define LE_R1_OWN 0x8000 /* Who owns the entry */ +#define LE_R1_ERR 0x4000 /* Error: if FRA, OFL, CRC or BUF is set */ +#define LE_R1_FRA 0x2000 /* FRA: Frame error */ +#define LE_R1_OFL 0x1000 /* OFL: Frame overflow */ +#define LE_R1_CRC 0x0800 /* CRC error */ +#define LE_R1_BUF 0x0400 /* BUF: Buffer error */ +#define LE_R1_SOP 0x0200 /* Start of packet */ +#define LE_R1_EOP 0x0100 /* End of packet */ +#define LE_R1_POK 0x0300 /* Packet is complete: SOP + EOP */ + +/* Transmit message descriptor 1 */ +#define LE_T1_OWN 0x8000 /* Lance owns the packet */ +#define LE_T1_ERR 0x4000 /* Error summary */ +#define LE_T1_EMORE 0x1000 /* Error: more than one retry needed */ +#define LE_T1_EONE 0x0800 /* Error: one retry needed */ +#define LE_T1_EDEF 0x0400 /* Error: deferred */ +#define LE_T1_SOP 0x0200 /* Start of packet */ +#define LE_T1_EOP 0x0100 /* End of packet */ +#define LE_T1_POK 0x0300 /* Packet is complete: SOP + EOP */ #define LE_T3_BUF 0x8000 /* Buffer error */ #define LE_T3_UFL 0x4000 /* Error underflow */ @@ -156,69 +162,57 @@ MODULE_LICENSE("GPL"); #undef TEST_HITS #define ZERO 0 -/* The DS2000/3000 have a linear 64 KB buffer. - - * The PMAD-AA has 128 kb buffer on-board. +/* + * The DS2100/3100 have a linear 64 kB buffer which supports halfword + * accesses only. Each halfword of the buffer is word-aligned in the + * CPU address space. + * + * The PMAD-AA has a 128 kB buffer on-board. * - * The IOASIC LANCE devices use a shared memory region. This region as seen - * from the CPU is (max) 128 KB long and has to be on an 128 KB boundary. - * The LANCE sees this as a 64 KB long continuous memory region. + * The IOASIC LANCE devices use a shared memory region. This region + * as seen from the CPU is (max) 128 kB long and has to be on an 128 kB + * boundary. The LANCE sees this as a 64 kB long continuous memory + * region. * - * The LANCE's DMA address is used as an index in this buffer and DMA takes - * place in bursts of eight 16-Bit words which are packed into four 32-Bit words - * by the IOASIC. This leads to a strange padding: 16 bytes of valid data followed - * by a 16 byte gap :-(. + * The LANCE's DMA address is used as an index in this buffer and DMA + * takes place in bursts of eight 16-bit words which are packed into + * four 32-bit words by the IOASIC. This leads to a strange padding: + * 16 bytes of valid data followed by a 16 byte gap :-(. */ struct lance_rx_desc { unsigned short rmd0; /* low address of packet */ - short gap0; - unsigned char rmd1_hadr; /* high address of packet */ - unsigned char rmd1_bits; /* descriptor bits */ - short gap1; + unsigned short rmd1; /* high address of packet + and descriptor bits */ short length; /* 2s complement (negative!) of buffer length */ - short gap2; unsigned short mblength; /* actual number of bytes received */ - short gap3; }; struct lance_tx_desc { unsigned short tmd0; /* low address of packet */ - short gap0; - unsigned char tmd1_hadr; /* high address of packet */ - unsigned char tmd1_bits; /* descriptor bits */ - short gap1; + unsigned short tmd1; /* high address of packet + and descriptor bits */ short length; /* 2s complement (negative!) of buffer length */ - short gap2; unsigned short misc; - short gap3; }; /* First part of the LANCE initialization block, described in databook. */ struct lance_init_block { unsigned short mode; /* pre-set mode (reg. 15) */ - short gap0; - unsigned char phys_addr[12]; /* physical ethernet address - only 0, 1, 4, 5, 8, 9 are valid - 2, 3, 6, 7, 10, 11 are gaps */ - unsigned short filter[8]; /* multicast filter - only 0, 2, 4, 6 are valid - 1, 3, 5, 7 are gaps */ + unsigned short phys_addr[3]; /* physical ethernet address */ + unsigned short filter[4]; /* multicast filter */ /* Receive and transmit ring base, along with extra bits. */ unsigned short rx_ptr; /* receive descriptor addr */ - short gap1; unsigned short rx_len; /* receive len and high addr */ - short gap2; unsigned short tx_ptr; /* transmit descriptor addr */ - short gap3; unsigned short tx_len; /* transmit len and high addr */ - short gap4; - short gap5[8]; + + short gap[4]; /* The buffer descriptors */ struct lance_rx_desc brx_ring[RX_RING_SIZE]; @@ -226,15 +220,28 @@ struct lance_init_block { }; #define BUF_OFFSET_CPU sizeof(struct lance_init_block) -#define BUF_OFFSET_LNC (sizeof(struct lance_init_block)>>1) +#define BUF_OFFSET_LNC sizeof(struct lance_init_block) -#define libdesc_offset(rt, elem) \ -((__u32)(((unsigned long)(&(((struct lance_init_block *)0)->rt[elem]))))) +#define shift_off(off, type) \ + (type == ASIC_LANCE || type == PMAX_LANCE ? off << 1 : off) -/* - * This works *only* for the ring descriptors - */ -#define LANCE_ADDR(x) (CPHYSADDR(x) >> 1) +#define lib_off(rt, type) \ + shift_off(offsetof(struct lance_init_block, rt), type) + +#define lib_ptr(ib, rt, type) \ + ((volatile u16 *)((u8 *)(ib) + lib_off(rt, type))) + +#define rds_off(rt, type) \ + shift_off(offsetof(struct lance_rx_desc, rt), type) + +#define rds_ptr(rd, rt, type) \ + ((volatile u16 *)((u8 *)(rd) + rds_off(rt, type))) + +#define tds_off(rt, type) \ + shift_off(offsetof(struct lance_tx_desc, rt), type) + +#define tds_ptr(td, rt, type) \ + ((volatile u16 *)((u8 *)(td) + tds_off(rt, type))) struct lance_private { struct net_device *next; @@ -242,7 +249,6 @@ struct lance_private { int slot; int dma_irq; volatile struct lance_regs *ll; - volatile struct lance_init_block *init_block; spinlock_t lock; @@ -260,8 +266,8 @@ struct lance_private { char *tx_buf_ptr_cpu[TX_RING_SIZE]; /* Pointers to the ring buffers as seen from the LANCE */ - char *rx_buf_ptr_lnc[RX_RING_SIZE]; - char *tx_buf_ptr_lnc[TX_RING_SIZE]; + uint rx_buf_ptr_lnc[RX_RING_SIZE]; + uint tx_buf_ptr_lnc[TX_RING_SIZE]; }; #define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\ @@ -294,7 +300,7 @@ static inline void writereg(volatile unsigned short *regptr, short value) static void load_csrs(struct lance_private *lp) { volatile struct lance_regs *ll = lp->ll; - int leptr; + uint leptr; /* The address space as seen from the LANCE * begins at address 0. HK @@ -316,12 +322,14 @@ static void load_csrs(struct lance_private *lp) * Our specialized copy routines * */ -void cp_to_buf(const int type, void *to, const void *from, int len) +static void cp_to_buf(const int type, void *to, const void *from, int len) { unsigned short *tp, *fp, clen; unsigned char *rtp, *rfp; - if (type == PMAX_LANCE) { + if (type == PMAD_LANCE) { + memcpy(to, from, len); + } else if (type == PMAX_LANCE) { clen = len >> 1; tp = (unsigned short *) to; fp = (unsigned short *) from; @@ -370,12 +378,14 @@ void cp_to_buf(const int type, void *to, const void *from, int len) iob(); } -void cp_from_buf(const int type, void *to, const void *from, int len) +static void cp_from_buf(const int type, void *to, const void *from, int len) { unsigned short *tp, *fp, clen; unsigned char *rtp, *rfp; - if (type == PMAX_LANCE) { + if (type == PMAD_LANCE) { + memcpy(to, from, len); + } else if (type == PMAX_LANCE) { clen = len >> 1; tp = (unsigned short *) to; fp = (unsigned short *) from; @@ -431,12 +441,10 @@ void cp_from_buf(const int type, void *to, const void *from, int len) static void lance_init_ring(struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib; - int leptr; + volatile u16 *ib = (volatile u16 *)dev->mem_start; + uint leptr; int i; - ib = (struct lance_init_block *) (dev->mem_start); - /* Lock out other processes while setting up hardware */ netif_stop_queue(dev); lp->rx_new = lp->tx_new = 0; @@ -445,55 +453,64 @@ static void lance_init_ring(struct net_device *dev) /* Copy the ethernet address to the lance init block. * XXX bit 0 of the physical address registers has to be zero */ - ib->phys_addr[0] = dev->dev_addr[0]; - ib->phys_addr[1] = dev->dev_addr[1]; - ib->phys_addr[4] = dev->dev_addr[2]; - ib->phys_addr[5] = dev->dev_addr[3]; - ib->phys_addr[8] = dev->dev_addr[4]; - ib->phys_addr[9] = dev->dev_addr[5]; + *lib_ptr(ib, phys_addr[0], lp->type) = (dev->dev_addr[1] << 8) | + dev->dev_addr[0]; + *lib_ptr(ib, phys_addr[1], lp->type) = (dev->dev_addr[3] << 8) | + dev->dev_addr[2]; + *lib_ptr(ib, phys_addr[2], lp->type) = (dev->dev_addr[5] << 8) | + dev->dev_addr[4]; /* Setup the initialization block */ /* Setup rx descriptor pointer */ - leptr = LANCE_ADDR(libdesc_offset(brx_ring, 0)); - ib->rx_len = (LANCE_LOG_RX_BUFFERS << 13) | (leptr >> 16); - ib->rx_ptr = leptr; + leptr = offsetof(struct lance_init_block, brx_ring); + *lib_ptr(ib, rx_len, lp->type) = (LANCE_LOG_RX_BUFFERS << 13) | + (leptr >> 16); + *lib_ptr(ib, rx_ptr, lp->type) = leptr; if (ZERO) - printk("RX ptr: %8.8x(%8.8x)\n", leptr, libdesc_offset(brx_ring, 0)); + printk("RX ptr: %8.8x(%8.8x)\n", + leptr, lib_off(brx_ring, lp->type)); /* Setup tx descriptor pointer */ - leptr = LANCE_ADDR(libdesc_offset(btx_ring, 0)); - ib->tx_len = (LANCE_LOG_TX_BUFFERS << 13) | (leptr >> 16); - ib->tx_ptr = leptr; + leptr = offsetof(struct lance_init_block, btx_ring); + *lib_ptr(ib, tx_len, lp->type) = (LANCE_LOG_TX_BUFFERS << 13) | + (leptr >> 16); + *lib_ptr(ib, tx_ptr, lp->type) = leptr; if (ZERO) - printk("TX ptr: %8.8x(%8.8x)\n", leptr, libdesc_offset(btx_ring, 0)); + printk("TX ptr: %8.8x(%8.8x)\n", + leptr, lib_off(btx_ring, lp->type)); if (ZERO) printk("TX rings:\n"); /* Setup the Tx ring entries */ for (i = 0; i < TX_RING_SIZE; i++) { - leptr = (int) lp->tx_buf_ptr_lnc[i]; - ib->btx_ring[i].tmd0 = leptr; - ib->btx_ring[i].tmd1_hadr = leptr >> 16; - ib->btx_ring[i].tmd1_bits = 0; - ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */ - ib->btx_ring[i].misc = 0; + leptr = lp->tx_buf_ptr_lnc[i]; + *lib_ptr(ib, btx_ring[i].tmd0, lp->type) = leptr; + *lib_ptr(ib, btx_ring[i].tmd1, lp->type) = (leptr >> 16) & + 0xff; + *lib_ptr(ib, btx_ring[i].length, lp->type) = 0xf000; + /* The ones required by tmd2 */ + *lib_ptr(ib, btx_ring[i].misc, lp->type) = 0; if (i < 3 && ZERO) - printk("%d: 0x%8.8x(0x%8.8x)\n", i, leptr, (int) lp->tx_buf_ptr_cpu[i]); + printk("%d: 0x%8.8x(0x%8.8x)\n", + i, leptr, (uint)lp->tx_buf_ptr_cpu[i]); } /* Setup the Rx ring entries */ if (ZERO) printk("RX rings:\n"); for (i = 0; i < RX_RING_SIZE; i++) { - leptr = (int) lp->rx_buf_ptr_lnc[i]; - ib->brx_ring[i].rmd0 = leptr; - ib->brx_ring[i].rmd1_hadr = leptr >> 16; - ib->brx_ring[i].rmd1_bits = LE_R1_OWN; - ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000; - ib->brx_ring[i].mblength = 0; + leptr = lp->rx_buf_ptr_lnc[i]; + *lib_ptr(ib, brx_ring[i].rmd0, lp->type) = leptr; + *lib_ptr(ib, brx_ring[i].rmd1, lp->type) = ((leptr >> 16) & + 0xff) | + LE_R1_OWN; + *lib_ptr(ib, brx_ring[i].length, lp->type) = -RX_BUFF_SIZE | + 0xf000; + *lib_ptr(ib, brx_ring[i].mblength, lp->type) = 0; if (i < 3 && ZERO) - printk("%d: 0x%8.8x(0x%8.8x)\n", i, leptr, (int) lp->rx_buf_ptr_cpu[i]); + printk("%d: 0x%8.8x(0x%8.8x)\n", + i, leptr, (uint)lp->rx_buf_ptr_cpu[i]); } iob(); } @@ -511,11 +528,13 @@ static int init_restart_lance(struct lance_private *lp) udelay(10); } if ((i == 100) || (ll->rdp & LE_C0_ERR)) { - printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, ll->rdp); + printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", + i, ll->rdp); return -1; } if ((ll->rdp & LE_C0_ERR)) { - printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, ll->rdp); + printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", + i, ll->rdp); return -1; } writereg(&ll->rdp, LE_C0_IDON); @@ -528,12 +547,11 @@ static int init_restart_lance(struct lance_private *lp) static int lance_rx(struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib; - volatile struct lance_rx_desc *rd = 0; - unsigned char bits; - int len = 0; - struct sk_buff *skb = 0; - ib = (struct lance_init_block *) (dev->mem_start); + volatile u16 *ib = (volatile u16 *)dev->mem_start; + volatile u16 *rd; + unsigned short bits; + int entry, len; + struct sk_buff *skb; #ifdef TEST_HITS { @@ -542,19 +560,22 @@ static int lance_rx(struct net_device *dev) printk("["); for (i = 0; i < RX_RING_SIZE; i++) { if (i == lp->rx_new) - printk("%s", ib->brx_ring[i].rmd1_bits & + printk("%s", *lib_ptr(ib, brx_ring[i].rmd1, + lp->type) & LE_R1_OWN ? "_" : "X"); else - printk("%s", ib->brx_ring[i].rmd1_bits & + printk("%s", *lib_ptr(ib, brx_ring[i].rmd1, + lp->type) & LE_R1_OWN ? "." : "1"); } printk("]"); } #endif - for (rd = &ib->brx_ring[lp->rx_new]; - !((bits = rd->rmd1_bits) & LE_R1_OWN); - rd = &ib->brx_ring[lp->rx_new]) { + for (rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type); + !((bits = *rds_ptr(rd, rmd1, lp->type)) & LE_R1_OWN); + rd = lib_ptr(ib, brx_ring[lp->rx_new], lp->type)) { + entry = lp->rx_new; /* We got an incomplete frame? */ if ((bits & LE_R1_POK) != LE_R1_POK) { @@ -575,16 +596,18 @@ static int lance_rx(struct net_device *dev) if (bits & LE_R1_EOP) lp->stats.rx_errors++; } else { - len = (rd->mblength & 0xfff) - 4; + len = (*rds_ptr(rd, mblength, lp->type) & 0xfff) - 4; skb = dev_alloc_skb(len + 2); if (skb == 0) { printk("%s: Memory squeeze, deferring packet.\n", dev->name); lp->stats.rx_dropped++; - rd->mblength = 0; - rd->rmd1_bits = LE_R1_OWN; - lp->rx_new = (lp->rx_new + 1) & RX_RING_MOD_MASK; + *rds_ptr(rd, mblength, lp->type) = 0; + *rds_ptr(rd, rmd1, lp->type) = + ((lp->rx_buf_ptr_lnc[entry] >> 16) & + 0xff) | LE_R1_OWN; + lp->rx_new = (entry + 1) & RX_RING_MOD_MASK; return 0; } lp->stats.rx_bytes += len; @@ -594,8 +617,7 @@ static int lance_rx(struct net_device *dev) skb_put(skb, len); /* make room */ cp_from_buf(lp->type, skb->data, - (char *)lp->rx_buf_ptr_cpu[lp->rx_new], - len); + (char *)lp->rx_buf_ptr_cpu[entry], len); skb->protocol = eth_type_trans(skb, dev); netif_rx(skb); @@ -604,10 +626,11 @@ static int lance_rx(struct net_device *dev) } /* Return the packet to the pool */ - rd->mblength = 0; - rd->length = -RX_BUFF_SIZE | 0xf000; - rd->rmd1_bits = LE_R1_OWN; - lp->rx_new = (lp->rx_new + 1) & RX_RING_MOD_MASK; + *rds_ptr(rd, mblength, lp->type) = 0; + *rds_ptr(rd, length, lp->type) = -RX_BUFF_SIZE | 0xf000; + *rds_ptr(rd, rmd1, lp->type) = + ((lp->rx_buf_ptr_lnc[entry] >> 16) & 0xff) | LE_R1_OWN; + lp->rx_new = (entry + 1) & RX_RING_MOD_MASK; } return 0; } @@ -615,24 +638,24 @@ static int lance_rx(struct net_device *dev) static void lance_tx(struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib; + volatile u16 *ib = (volatile u16 *)dev->mem_start; volatile struct lance_regs *ll = lp->ll; - volatile struct lance_tx_desc *td; + volatile u16 *td; int i, j; int status; - ib = (struct lance_init_block *) (dev->mem_start); + j = lp->tx_old; spin_lock(&lp->lock); for (i = j; i != lp->tx_new; i = j) { - td = &ib->btx_ring[i]; + td = lib_ptr(ib, btx_ring[i], lp->type); /* If we hit a packet not owned by us, stop */ - if (td->tmd1_bits & LE_T1_OWN) + if (*tds_ptr(td, tmd1, lp->type) & LE_T1_OWN) break; - if (td->tmd1_bits & LE_T1_ERR) { - status = td->misc; + if (*tds_ptr(td, tmd1, lp->type) & LE_T1_ERR) { + status = *tds_ptr(td, misc, lp->type); lp->stats.tx_errors++; if (status & LE_T3_RTY) @@ -667,18 +690,19 @@ static void lance_tx(struct net_device *dev) init_restart_lance(lp); goto out; } - } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) { + } else if ((*tds_ptr(td, tmd1, lp->type) & LE_T1_POK) == + LE_T1_POK) { /* * So we don't count the packet more than once. */ - td->tmd1_bits &= ~(LE_T1_POK); + *tds_ptr(td, tmd1, lp->type) &= ~(LE_T1_POK); /* One collision before packet was sent. */ - if (td->tmd1_bits & LE_T1_EONE) + if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EONE) lp->stats.collisions++; /* More than one collision, be optimistic. */ - if (td->tmd1_bits & LE_T1_EMORE) + if (*tds_ptr(td, tmd1, lp->type) & LE_T1_EMORE) lp->stats.collisions += 2; lp->stats.tx_packets++; @@ -752,7 +776,7 @@ struct net_device *last_dev = 0; static int lance_open(struct net_device *dev) { - volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start); + volatile u16 *ib = (volatile u16 *)dev->mem_start; struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; int status = 0; @@ -769,11 +793,11 @@ static int lance_open(struct net_device *dev) * * BTW it is common bug in all lance drivers! --ANK */ - ib->mode = 0; - ib->filter [0] = 0; - ib->filter [2] = 0; - ib->filter [4] = 0; - ib->filter [6] = 0; + *lib_ptr(ib, mode, lp->type) = 0; + *lib_ptr(ib, filter[0], lp->type) = 0; + *lib_ptr(ib, filter[1], lp->type) = 0; + *lib_ptr(ib, filter[2], lp->type) = 0; + *lib_ptr(ib, filter[3], lp->type) = 0; lance_init_ring(dev); load_csrs(lp); @@ -874,12 +898,10 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; - volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start); - int entry, skblen, len; - - skblen = skb->len; + volatile u16 *ib = (volatile u16 *)dev->mem_start; + int entry, len; - len = skblen; + len = skb->len; if (len < ETH_ZLEN) { if (skb_padto(skb, ETH_ZLEN)) @@ -889,23 +911,17 @@ static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) lp->stats.tx_bytes += len; - entry = lp->tx_new & TX_RING_MOD_MASK; - ib->btx_ring[entry].length = (-len); - ib->btx_ring[entry].misc = 0; + entry = lp->tx_new; + *lib_ptr(ib, btx_ring[entry].length, lp->type) = (-len); + *lib_ptr(ib, btx_ring[entry].misc, lp->type) = 0; - cp_to_buf(lp->type, (char *)lp->tx_buf_ptr_cpu[entry], skb->data, - skblen); - - /* Clear the slack of the packet, do I need this? */ - /* For a firewall it's a good idea - AC */ -/* - if (len != skblen) - memset ((char *) &ib->tx_buf [entry][skblen], 0, (len - skblen) << 1); - */ + cp_to_buf(lp->type, (char *)lp->tx_buf_ptr_cpu[entry], skb->data, len); /* Now, give the packet to the lance */ - ib->btx_ring[entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN); - lp->tx_new = (lp->tx_new + 1) & TX_RING_MOD_MASK; + *lib_ptr(ib, btx_ring[entry].tmd1, lp->type) = + ((lp->tx_buf_ptr_lnc[entry] >> 16) & 0xff) | + (LE_T1_POK | LE_T1_OWN); + lp->tx_new = (entry + 1) & TX_RING_MOD_MASK; if (TX_BUFFS_AVAIL <= 0) netif_stop_queue(dev); @@ -930,8 +946,8 @@ static struct net_device_stats *lance_get_stats(struct net_device *dev) static void lance_load_multicast(struct net_device *dev) { - volatile struct lance_init_block *ib = (struct lance_init_block *) (dev->mem_start); - volatile u16 *mcast_table = (u16 *) & ib->filter; + struct lance_private *lp = netdev_priv(dev); + volatile u16 *ib = (volatile u16 *)dev->mem_start; struct dev_mc_list *dmi = dev->mc_list; char *addrs; int i; @@ -939,17 +955,17 @@ static void lance_load_multicast(struct net_device *dev) /* set all multicast bits */ if (dev->flags & IFF_ALLMULTI) { - ib->filter[0] = 0xffff; - ib->filter[2] = 0xffff; - ib->filter[4] = 0xffff; - ib->filter[6] = 0xffff; + *lib_ptr(ib, filter[0], lp->type) = 0xffff; + *lib_ptr(ib, filter[1], lp->type) = 0xffff; + *lib_ptr(ib, filter[2], lp->type) = 0xffff; + *lib_ptr(ib, filter[3], lp->type) = 0xffff; return; } /* clear the multicast filter */ - ib->filter[0] = 0; - ib->filter[2] = 0; - ib->filter[4] = 0; - ib->filter[6] = 0; + *lib_ptr(ib, filter[0], lp->type) = 0; + *lib_ptr(ib, filter[1], lp->type) = 0; + *lib_ptr(ib, filter[2], lp->type) = 0; + *lib_ptr(ib, filter[3], lp->type) = 0; /* Add addresses */ for (i = 0; i < dev->mc_count; i++) { @@ -962,7 +978,7 @@ static void lance_load_multicast(struct net_device *dev) crc = ether_crc_le(ETH_ALEN, addrs); crc = crc >> 26; - mcast_table[2 * (crc >> 4)] |= 1 << (crc & 0xf); + *lib_ptr(ib, filter[crc >> 4], lp->type) |= 1 << (crc & 0xf); } return; } @@ -970,11 +986,9 @@ static void lance_load_multicast(struct net_device *dev) static void lance_set_multicast(struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib; + volatile u16 *ib = (volatile u16 *)dev->mem_start; volatile struct lance_regs *ll = lp->ll; - ib = (struct lance_init_block *) (dev->mem_start); - if (!netif_running(dev)) return; @@ -992,9 +1006,9 @@ static void lance_set_multicast(struct net_device *dev) lance_init_ring(dev); if (dev->flags & IFF_PROMISC) { - ib->mode |= LE_MO_PROM; + *lib_ptr(ib, mode, lp->type) |= LE_MO_PROM; } else { - ib->mode &= ~LE_MO_PROM; + *lib_ptr(ib, mode, lp->type) &= ~LE_MO_PROM; lance_load_multicast(dev); } load_csrs(lp); @@ -1073,20 +1087,20 @@ static int __init dec_lance_init(const int type, const int slot) */ for (i = 0; i < RX_RING_SIZE; i++) { lp->rx_buf_ptr_cpu[i] = - (char *)(dev->mem_start + BUF_OFFSET_CPU + + (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU + 2 * i * RX_BUFF_SIZE); lp->rx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE); + (BUF_OFFSET_LNC + i * RX_BUFF_SIZE); } for (i = 0; i < TX_RING_SIZE; i++) { lp->tx_buf_ptr_cpu[i] = - (char *)(dev->mem_start + BUF_OFFSET_CPU + + (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU + 2 * RX_RING_SIZE * RX_BUFF_SIZE + 2 * i * TX_BUFF_SIZE); lp->tx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + - RX_RING_SIZE * RX_BUFF_SIZE + - i * TX_BUFF_SIZE); + (BUF_OFFSET_LNC + + RX_RING_SIZE * RX_BUFF_SIZE + + i * TX_BUFF_SIZE); } /* Setup I/O ASIC LANCE DMA. */ @@ -1100,6 +1114,7 @@ static int __init dec_lance_init(const int type, const int slot) claim_tc_card(slot); dev->mem_start = CKSEG1ADDR(get_tc_base_addr(slot)); + dev->mem_end = dev->mem_start + 0x100000; dev->base_addr = dev->mem_start + 0x100000; dev->irq = get_tc_irq_nr(slot); esar_base = dev->mem_start + 0x1c0002; @@ -1110,7 +1125,7 @@ static int __init dec_lance_init(const int type, const int slot) (char *)(dev->mem_start + BUF_OFFSET_CPU + i * RX_BUFF_SIZE); lp->rx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE); + (BUF_OFFSET_LNC + i * RX_BUFF_SIZE); } for (i = 0; i < TX_RING_SIZE; i++) { lp->tx_buf_ptr_cpu[i] = @@ -1118,9 +1133,9 @@ static int __init dec_lance_init(const int type, const int slot) RX_RING_SIZE * RX_BUFF_SIZE + i * TX_BUFF_SIZE); lp->tx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + - RX_RING_SIZE * RX_BUFF_SIZE + - i * TX_BUFF_SIZE); + (BUF_OFFSET_LNC + + RX_RING_SIZE * RX_BUFF_SIZE + + i * TX_BUFF_SIZE); } break; @@ -1130,6 +1145,7 @@ static int __init dec_lance_init(const int type, const int slot) dev->irq = dec_interrupt[DEC_IRQ_LANCE]; dev->base_addr = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE); dev->mem_start = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE_MEM); + dev->mem_end = dev->mem_start + KN01_SLOT_SIZE; esar_base = CKSEG1ADDR(KN01_SLOT_BASE + KN01_ESAR + 1); lp->dma_irq = -1; @@ -1138,20 +1154,20 @@ static int __init dec_lance_init(const int type, const int slot) */ for (i = 0; i < RX_RING_SIZE; i++) { lp->rx_buf_ptr_cpu[i] = - (char *)(dev->mem_start + BUF_OFFSET_CPU + + (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU + 2 * i * RX_BUFF_SIZE); lp->rx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + i * RX_BUFF_SIZE); + (BUF_OFFSET_LNC + i * RX_BUFF_SIZE); } for (i = 0; i < TX_RING_SIZE; i++) { lp->tx_buf_ptr_cpu[i] = - (char *)(dev->mem_start + BUF_OFFSET_CPU + + (char *)(dev->mem_start + 2 * BUF_OFFSET_CPU + 2 * RX_RING_SIZE * RX_BUFF_SIZE + 2 * i * TX_BUFF_SIZE); lp->tx_buf_ptr_lnc[i] = - (char *)(BUF_OFFSET_LNC + - RX_RING_SIZE * RX_BUFF_SIZE + - i * TX_BUFF_SIZE); + (BUF_OFFSET_LNC + + RX_RING_SIZE * RX_BUFF_SIZE + + i * TX_BUFF_SIZE); } break; -- cgit v1.2.3 From e8f7f7f11d07c3fe3316d57790bae4c561064c33 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 4 Dec 2006 15:04:55 -0800 Subject: [PATCH] declance: Support the I/O ASIC LANCE w/o TURBOchannel The onboard LANCE of I/O ASIC systems is not a TURBOchannel device, at least from the software point of view. Therefore it does not rely on any kernel TURBOchannel bus services and can be supported even if support for TURBOchannel has not been enabled in the configuration. Tested with the onboard LANCE of a DECstation 5000/133. Signed-off-by: Maciej W. Rozycki Cc: Jeff Garzik Cc: Ralf Baechle Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/declance.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/declance.c b/drivers/net/declance.c index 1167f8f7c27..4ae0fed7122 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -1065,7 +1065,6 @@ static int __init dec_lance_init(const int type, const int slot) lp->type = type; lp->slot = slot; switch (type) { -#ifdef CONFIG_TC case ASIC_LANCE: dev->base_addr = CKSEG1ADDR(dec_kn_slot_base + IOASIC_LANCE); @@ -1109,7 +1108,7 @@ static int __init dec_lance_init(const int type, const int slot) CPHYSADDR(dev->mem_start) << 3); break; - +#ifdef CONFIG_TC case PMAD_LANCE: claim_tc_card(slot); @@ -1140,7 +1139,6 @@ static int __init dec_lance_init(const int type, const int slot) break; #endif - case PMAX_LANCE: dev->irq = dec_interrupt[DEC_IRQ_LANCE]; dev->base_addr = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE); @@ -1295,10 +1293,8 @@ static int __init dec_lance_probe(void) /* Then handle onboard devices. */ if (dec_interrupt[DEC_IRQ_LANCE] >= 0) { if (dec_interrupt[DEC_IRQ_LANCE_MERR] >= 0) { -#ifdef CONFIG_TC if (dec_lance_init(ASIC_LANCE, -1) >= 0) count++; -#endif } else if (!TURBOCHANNEL) { if (dec_lance_init(PMAX_LANCE, -1) >= 0) count++; -- cgit v1.2.3 From 043d58064ac6556a3abd3a74201831f3e9a5b6e8 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Mon, 4 Dec 2006 15:04:56 -0800 Subject: [PATCH] sk98lin debug build fix Fix parenthesis mismatch. Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/sk98lin/skgesirq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/sk98lin/skgesirq.c b/drivers/net/sk98lin/skgesirq.c index ab66d80a445..3e7aa49afd0 100644 --- a/drivers/net/sk98lin/skgesirq.c +++ b/drivers/net/sk98lin/skgesirq.c @@ -1319,7 +1319,7 @@ SK_BOOL AutoNeg) /* Is Auto-negotiation used ? */ SkXmPhyRead(pAC, IoC, Port, PHY_BCOM_INT_STAT, &Isrc); #ifdef xDEBUG - if ((Isrc & ~(PHY_B_IS_HCT | PHY_B_IS_LCT) == + if ((Isrc & ~(PHY_B_IS_HCT | PHY_B_IS_LCT)) == (PHY_B_IS_SCR_S_ER | PHY_B_IS_RRS_CHANGE | PHY_B_IS_LRS_CHANGE)) { SK_U32 Stat1, Stat2, Stat3; -- cgit v1.2.3 From 59dc76a4e3bed66f5be474dcdc81cc39c7290cec Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Mon, 4 Dec 2006 15:04:56 -0800 Subject: [PATCH] net: smc91x add missing bracket Signed-off-by: Mariusz Kozlowski Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/smc91x.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index d28adf2546c..9367c574477 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -238,7 +238,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_CAN_USE_16BIT 1 #define SMC_CAN_USE_32BIT 0 -#define SMC_inb(a, r) inb((u32)a) + (r)) +#define SMC_inb(a, r) inb(((u32)a) + (r)) #define SMC_inw(a, r) inw(((u32)a) + (r)) #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r)) #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r)) -- cgit v1.2.3 From 80922fbcb6f00127e91580e7565bb665947ac5d3 Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Mon, 4 Dec 2006 09:18:00 -0800 Subject: [PATCH] NetXen: whitespace cleaup and more cleanup fixes Signed-off-by: Amit S. Kale netxen_nic.h | 56 ++++++++++++++++++++-------------------------- netxen_nic_ethtool.c | 53 +++++++++++++++++++++----------------------- netxen_nic_hdr.h | 6 ++--- netxen_nic_hw.c | 54 +++++++++++++++++++++------------------------ netxen_nic_hw.h | 10 ++++---- netxen_nic_init.c | 61 +++++++++++++++++++++++++-------------------------- netxen_nic_ioctl.h | 6 ++--- netxen_nic_isr.c | 48 +++++++++++++++++----------------------- netxen_nic_main.c | 54 +++++++++++++++++---------------------------- netxen_nic_niu.c | 10 ++++---- 10 files changed, 165 insertions(+), 193 deletions(-) Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 56 ++++++++++++++---------------- drivers/net/netxen/netxen_nic_ethtool.c | 53 ++++++++++++++-------------- drivers/net/netxen/netxen_nic_hdr.h | 6 ++-- drivers/net/netxen/netxen_nic_hw.c | 54 ++++++++++++++--------------- drivers/net/netxen/netxen_nic_hw.h | 10 +++--- drivers/net/netxen/netxen_nic_init.c | 61 ++++++++++++++++----------------- drivers/net/netxen/netxen_nic_ioctl.h | 6 ++-- drivers/net/netxen/netxen_nic_isr.c | 48 ++++++++++++-------------- drivers/net/netxen/netxen_nic_main.c | 54 ++++++++++++----------------- drivers/net/netxen/netxen_nic_niu.c | 10 +++--- 10 files changed, 165 insertions(+), 193 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index d925053fe59..d51f43709cb 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -1,25 +1,25 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -89,8 +89,8 @@ * normalize a 64MB crb address to 32MB PCI window * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1 */ -#define NETXEN_CRB_NORMAL(reg) \ - (reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST +#define NETXEN_CRB_NORMAL(reg) \ + ((reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST) #define NETXEN_CRB_NORMALIZE(adapter, reg) \ pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg)) @@ -164,7 +164,7 @@ enum { #define MAX_CMD_DESCRIPTORS 1024 #define MAX_RCV_DESCRIPTORS 32768 -#define MAX_JUMBO_RCV_DESCRIPTORS 1024 +#define MAX_JUMBO_RCV_DESCRIPTORS 4096 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS @@ -559,7 +559,7 @@ typedef enum { #define PRIMARY_START (BOOTLD_START) #define FLASH_CRBINIT_SIZE (0x4000) #define FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info)) -#define FLASH_USER_SIZE (sizeof(netxen_user_info)/sizeof(u32)) +#define FLASH_USER_SIZE (sizeof(struct netxen_user_info)/sizeof(u32)) #define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START) #define NUM_PRIMARY_SECTORS (0x20) #define NUM_CONFIG_SECTORS (1) @@ -572,7 +572,7 @@ typedef enum { #else #define DPRINTK(klevel, fmt, args...) do { \ printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\ - (adapter != NULL && adapter->port != NULL && \ + (adapter != NULL && \ adapter->port[0] != NULL && \ adapter->port[0]->netdev != NULL) ? \ adapter->port[0]->netdev->name : NULL, \ @@ -703,8 +703,6 @@ struct netxen_recv_context { #define NETXEN_NIC_MSI_ENABLED 0x02 -struct netxen_drvops; - struct netxen_adapter { struct netxen_hardware_context ahw; int port_count; /* Number of configured ports */ @@ -746,8 +744,21 @@ struct netxen_adapter { struct netxen_recv_context recv_ctx[MAX_RCV_CTX]; int is_up; - int work_done; - struct netxen_drvops *ops; + int (*enable_phy_interrupts) (struct netxen_adapter *, int); + int (*disable_phy_interrupts) (struct netxen_adapter *, int); + void (*handle_phy_intr) (struct netxen_adapter *); + int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t); + int (*set_mtu) (struct netxen_port *, int); + int (*set_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*unset_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *); + int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val); + int (*init_port) (struct netxen_adapter *, int); + void (*init_niu) (struct netxen_adapter *); + int (*stop_port) (struct netxen_adapter *, int); + }; /* netxen_adapter structure */ /* Max number of xmit producer threads that can run simultaneously */ @@ -829,23 +840,6 @@ static inline void __iomem *pci_base(struct netxen_adapter *adapter, return NULL; } -struct netxen_drvops { - int (*enable_phy_interrupts) (struct netxen_adapter *, int); - int (*disable_phy_interrupts) (struct netxen_adapter *, int); - void (*handle_phy_intr) (struct netxen_adapter *); - int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t); - int (*set_mtu) (struct netxen_port *, int); - int (*set_promisc) (struct netxen_adapter *, int, - netxen_niu_prom_mode_t); - int (*unset_promisc) (struct netxen_adapter *, int, - netxen_niu_prom_mode_t); - int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *); - int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val); - int (*init_port) (struct netxen_adapter *, int); - void (*init_niu) (struct netxen_adapter *); - int (*stop_port) (struct netxen_adapter *, int); -}; - extern char netxen_nic_driver_name[]; int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 9a914aeba5b..c7fcbf345db 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -1,25 +1,25 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -118,7 +118,7 @@ netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) u32 fw_minor = 0; u32 fw_build = 0; - strncpy(drvinfo->driver, "netxen_nic", 32); + strncpy(drvinfo->driver, netxen_nic_driver_name, 32); strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32); fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_MAJOR)); @@ -210,7 +210,6 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) printk(KERN_ERR "netxen-nic: Unsupported board model %d\n", (netxen_brdtype_t) boardinfo->board_type); return -EIO; - } return 0; @@ -226,18 +225,18 @@ netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) /* read which mode */ if (adapter->ahw.board_type == NETXEN_NIC_GBE) { /* autonegotiation */ - if (adapter->ops->phy_write - && adapter->ops->phy_write(adapter, port->portnum, - NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, - (__le32) ecmd->autoneg) != 0) + if (adapter->phy_write + && adapter->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, + (__le32) ecmd->autoneg) != 0) return -EIO; else port->link_autoneg = ecmd->autoneg; - if (adapter->ops->phy_read - && adapter->ops->phy_read(adapter, port->portnum, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, - &status) != 0) + if (adapter->phy_read + && adapter->phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) != 0) return -EIO; /* speed */ @@ -257,10 +256,10 @@ netxen_nic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) netxen_clear_phy_duplex(status); if (ecmd->duplex == DUPLEX_FULL) netxen_set_phy_duplex(status); - if (adapter->ops->phy_write - && adapter->ops->phy_write(adapter, port->portnum, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, - *((int *)&status)) != 0) + if (adapter->phy_write + && adapter->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + *((int *)&status)) != 0) return -EIO; else { port->link_speed = ecmd->speed; @@ -422,10 +421,10 @@ static u32 netxen_nic_get_link(struct net_device *dev) /* read which mode */ if (adapter->ahw.board_type == NETXEN_NIC_GBE) { - if (adapter->ops->phy_read - && adapter->ops->phy_read(adapter, port->portnum, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, - &status) != 0) + if (adapter->phy_read + && adapter->phy_read(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) != 0) return -EIO; else return (netxen_get_phy_link(status)); @@ -526,10 +525,10 @@ netxen_nic_set_pauseparam(struct net_device *dev, *(u32 *) (&val)); /* set autoneg */ autoneg = pause->autoneg; - if (adapter->ops->phy_write - && adapter->ops->phy_write(adapter, port->portnum, - NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, - (__le32) autoneg) != 0) + if (adapter->phy_write + && adapter->phy_write(adapter, port->portnum, + NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, + (__le32) autoneg) != 0) return -EIO; else { port->link_autoneg = pause->autoneg; diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 72c6ec4ee2a..fe8b675f9e7 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 105c24f0ad4..7470852ab58 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -81,8 +81,8 @@ int netxen_nic_set_mac(struct net_device *netdev, void *p) DPRINTK(INFO, "valid ether addr\n"); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - if (adapter->ops->macaddr_set) - adapter->ops->macaddr_set(port, addr->sa_data); + if (adapter->macaddr_set) + adapter->macaddr_set(port, addr->sa_data); return 0; } @@ -99,17 +99,17 @@ void netxen_nic_set_multi(struct net_device *netdev) mc_ptr = netdev->mc_list; if (netdev->flags & IFF_PROMISC) { - if (adapter->ops->set_promisc) - adapter->ops->set_promisc(adapter, - port->portnum, - NETXEN_NIU_PROMISC_MODE); + if (adapter->set_promisc) + adapter->set_promisc(adapter, + port->portnum, + NETXEN_NIU_PROMISC_MODE); } else { - if (adapter->ops->unset_promisc && + if (adapter->unset_promisc && adapter->ahw.boardcfg.board_type != NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) - adapter->ops->unset_promisc(adapter, - port->portnum, - NETXEN_NIU_NON_PROMISC_MODE); + adapter->unset_promisc(adapter, + port->portnum, + NETXEN_NIU_NON_PROMISC_MODE); } if (adapter->ahw.board_type == NETXEN_NIC_XGBE) { netxen_nic_mcr_set_mode_select(netxen_mac_addr_cntl_data, 0x03); @@ -160,8 +160,8 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu) return -EINVAL; } - if (adapter->ops->set_mtu) - adapter->ops->set_mtu(port, mtu); + if (adapter->set_mtu) + adapter->set_mtu(port, mtu); netdev->mtu = mtu; return 0; @@ -184,14 +184,12 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; - DPRINTK(INFO, "crb_base: %lx %lx", NETXEN_PCI_CRBSPACE, + DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE, PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE)); - DPRINTK(INFO, "cam base: %lx %lx", NETXEN_CRB_CAM, + DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM, pci_base_offset(adapter, NETXEN_CRB_CAM)); - DPRINTK(INFO, "cam RAM: %lx %lx", NETXEN_CAM_RAM_BASE, + DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE, pci_base_offset(adapter, NETXEN_CAM_RAM_BASE)); - DPRINTK(INFO, "NIC base:%lx %lx\n", NIC_CRB_BASE_PORT1, - pci_base_offset(adapter, NIC_CRB_BASE_PORT1)); /* Window 1 call */ card_cmdring = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_CMDRING)); @@ -648,7 +646,7 @@ void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val) addr = NETXEN_CRB_NORMALIZE(adapter, off); DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n", - pci_base(adapter, off), off, addr); + pci_base(adapter, off), off, addr, val); writel(val, addr); } @@ -660,7 +658,7 @@ int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off) addr = NETXEN_CRB_NORMALIZE(adapter, off); DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", - adapter->ahw.pci_base, off, addr); + pci_base(adapter, off), off, addr); val = readl(addr); writel(val, addr); @@ -848,8 +846,8 @@ void netxen_nic_stop_all_ports(struct netxen_adapter *adapter) for (port_nr = 0; port_nr < adapter->ahw.max_ports; port_nr++) { port = adapter->port[port_nr]; - if (adapter->ops->stop_port) - adapter->ops->stop_port(adapter, port->portnum); + if (adapter->stop_port) + adapter->stop_port(adapter, port->portnum); } } @@ -878,8 +876,8 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */ - if (adapter->ops->phy_read - && adapter->ops-> + if (adapter->phy_read + && adapter-> phy_read(adapter, port->portnum, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, &status) == 0) { @@ -909,8 +907,8 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) port->link_duplex = -1; break; } - if (adapter->ops->phy_read - && adapter->ops-> + if (adapter->phy_read + && adapter-> phy_read(adapter, port->portnum, NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, (__le32 *) & autoneg) != 0) diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h index 201a636b7ab..0685633a9c1 100644 --- a/drivers/net/netxen/netxen_nic_hw.h +++ b/drivers/net/netxen/netxen_nic_hw.h @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -83,8 +83,8 @@ struct netxen_adapter; #define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20) #define NETXEN_NIC_LOCKED_READ_REG(X, Y) \ - addr = pci_base_offset(adapter, (X)); \ - *(u32 *)Y = readl(addr); + addr = pci_base_offset(adapter, X); \ + *(u32 *)Y = readl((void __iomem*) addr); struct netxen_port; void netxen_nic_set_link_parameters(struct netxen_port *port); diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 0dca029bc3e..deac1a3ae27 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -1,25 +1,25 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -212,37 +212,36 @@ void netxen_initialize_adapter_hw(struct netxen_adapter *adapter) void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) { - struct netxen_drvops *ops = adapter->ops; switch (adapter->ahw.board_type) { case NETXEN_NIC_GBE: - ops->enable_phy_interrupts = + adapter->enable_phy_interrupts = netxen_niu_gbe_enable_phy_interrupts; - ops->disable_phy_interrupts = + adapter->disable_phy_interrupts = netxen_niu_gbe_disable_phy_interrupts; - ops->handle_phy_intr = netxen_nic_gbe_handle_phy_intr; - ops->macaddr_set = netxen_niu_macaddr_set; - ops->set_mtu = netxen_nic_set_mtu_gb; - ops->set_promisc = netxen_niu_set_promiscuous_mode; - ops->unset_promisc = netxen_niu_set_promiscuous_mode; - ops->phy_read = netxen_niu_gbe_phy_read; - ops->phy_write = netxen_niu_gbe_phy_write; - ops->init_port = netxen_niu_gbe_init_port; - ops->init_niu = netxen_nic_init_niu_gb; - ops->stop_port = netxen_niu_disable_gbe_port; + adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr; + adapter->macaddr_set = netxen_niu_macaddr_set; + adapter->set_mtu = netxen_nic_set_mtu_gb; + adapter->set_promisc = netxen_niu_set_promiscuous_mode; + adapter->unset_promisc = netxen_niu_set_promiscuous_mode; + adapter->phy_read = netxen_niu_gbe_phy_read; + adapter->phy_write = netxen_niu_gbe_phy_write; + adapter->init_port = netxen_niu_gbe_init_port; + adapter->init_niu = netxen_nic_init_niu_gb; + adapter->stop_port = netxen_niu_disable_gbe_port; break; case NETXEN_NIC_XGBE: - ops->enable_phy_interrupts = + adapter->enable_phy_interrupts = netxen_niu_xgbe_enable_phy_interrupts; - ops->disable_phy_interrupts = + adapter->disable_phy_interrupts = netxen_niu_xgbe_disable_phy_interrupts; - ops->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr; - ops->macaddr_set = netxen_niu_xg_macaddr_set; - ops->set_mtu = netxen_nic_set_mtu_xgb; - ops->init_port = netxen_niu_xg_init_port; - ops->set_promisc = netxen_niu_xg_set_promiscuous_mode; - ops->unset_promisc = netxen_niu_xg_set_promiscuous_mode; - ops->stop_port = netxen_niu_disable_xg_port; + adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr; + adapter->macaddr_set = netxen_niu_xg_macaddr_set; + adapter->set_mtu = netxen_nic_set_mtu_xgb; + adapter->init_port = netxen_niu_xg_init_port; + adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode; + adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode; + adapter->stop_port = netxen_niu_disable_xg_port; break; default: @@ -383,8 +382,8 @@ int netxen_rom_wip_poll(struct netxen_adapter *adapter) return 0; } -static inline int do_rom_fast_write(struct netxen_adapter *adapter, - int addr, int data) +static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr, + int data) { if (netxen_rom_wren(adapter)) { return -1; @@ -734,8 +733,8 @@ void netxen_watchdog_task(unsigned long v) netif_wake_queue(netdev); } - if (adapter->ops->handle_phy_intr) - adapter->ops->handle_phy_intr(adapter); + if (adapter->handle_phy_intr) + adapter->handle_phy_intr(adapter); mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); } diff --git a/drivers/net/netxen/netxen_nic_ioctl.h b/drivers/net/netxen/netxen_nic_ioctl.h index 23e53adbf12..8eef139f250 100644 --- a/drivers/net/netxen/netxen_nic_ioctl.h +++ b/drivers/net/netxen/netxen_nic_ioctl.h @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c index ae180fee800..0f6e7b8b65d 100644 --- a/drivers/net/netxen/netxen_nic_isr.c +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -84,46 +84,41 @@ void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno, struct netxen_port *port; /* This should clear the interrupt source */ - if (adapter->ops->phy_read) - adapter->ops->phy_read(adapter, portno, - NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, - &int_src); + if (adapter->phy_read) + adapter->phy_read(adapter, portno, + NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, + &int_src); if (int_src == 0) { DPRINTK(INFO, "No phy interrupts for port #%d\n", portno); return; } - if (adapter->ops->disable_phy_interrupts) - adapter->ops->disable_phy_interrupts(adapter, portno); + if (adapter->disable_phy_interrupts) + adapter->disable_phy_interrupts(adapter, portno); port = adapter->port[portno]; if (netxen_get_phy_int_jabber(int_src)) - DPRINTK(INFO, "NetXen: %s Jabber interrupt \n", - port->netdev->name); + DPRINTK(INFO, "Jabber interrupt \n"); if (netxen_get_phy_int_polarity_changed(int_src)) - DPRINTK(INFO, "NetXen: %s POLARITY CHANGED int \n", - port->netdev->name); + DPRINTK(INFO, "POLARITY CHANGED int \n"); if (netxen_get_phy_int_energy_detect(int_src)) - DPRINTK(INFO, "NetXen: %s ENERGY DETECT INT \n", - port->netdev->name); + DPRINTK(INFO, "ENERGY DETECT INT \n"); if (netxen_get_phy_int_downshift(int_src)) - DPRINTK(INFO, "NetXen: %s DOWNSHIFT INT \n", - port->netdev->name); + DPRINTK(INFO, "DOWNSHIFT INT \n"); /* write it down later.. */ if ((netxen_get_phy_int_speed_changed(int_src)) || (netxen_get_phy_int_link_status_changed(int_src))) { __le32 status; - DPRINTK(INFO, "NetXen: %s SPEED CHANGED OR" - " LINK STATUS CHANGED \n", port->netdev->name); + DPRINTK(INFO, "SPEED CHANGED OR LINK STATUS CHANGED \n"); - if (adapter->ops->phy_read - && adapter->ops->phy_read(adapter, portno, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, - &status) == 0) { + if (adapter->phy_read + && adapter->phy_read(adapter, portno, + NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, + &status) == 0) { if (netxen_get_phy_int_link_status_changed(int_src)) { if (netxen_get_phy_link(status)) { netxen_niu_gbe_init_port(adapter, @@ -143,8 +138,8 @@ void netxen_handle_port_int(struct netxen_adapter *adapter, u32 portno, } } } - if (adapter->ops->enable_phy_interrupts) - adapter->ops->enable_phy_interrupts(adapter, portno); + if (adapter->enable_phy_interrupts) + adapter->enable_phy_interrupts(adapter, portno); } void netxen_nic_isr_other(struct netxen_adapter *adapter) @@ -159,8 +154,7 @@ void netxen_nic_isr_other(struct netxen_adapter *adapter) qg_linksup = adapter->ahw.qg_linksup; adapter->ahw.qg_linksup = val; - DPRINTK(1, INFO, "%s: link update 0x%08x\n", netxen_nic_driver_name, - val); + DPRINTK(INFO, "link update 0x%08x\n", val); for (portno = 0; portno < NETXEN_NIU_MAX_GBE_PORTS; portno++) { linkup = val & 1; if (linkup != (qg_linksup & 1)) { diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 1cb662d5bd7..6dbdc8be394 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1,25 +1,25 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -233,16 +233,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } - adapter->ops = kzalloc(sizeof(struct netxen_drvops), GFP_KERNEL); - if (adapter->ops == NULL) { - printk(KERN_ERR - "%s: Could not allocate memory for adapter->ops:%d\n", - netxen_nic_driver_name, - (int)sizeof(struct netxen_adapter)); - err = -ENOMEM; - goto err_out_free_rx_buffer; - } - adapter->cmd_buf_arr = cmd_buf_arr; adapter->ahw.pci_base0 = mem_ptr0; adapter->ahw.pci_base1 = mem_ptr1; @@ -373,10 +363,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->dev_addr[4], netdev->dev_addr[5]); } else { - if (adapter->ops->macaddr_set) - adapter->ops->macaddr_set(port, - netdev-> - dev_addr); + if (adapter->macaddr_set) + adapter->macaddr_set(port, + netdev->dev_addr); } } INIT_WORK(&adapter->tx_timeout_task, @@ -427,7 +416,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) free_netdev(port->netdev); } } - kfree(adapter->ops); err_out_free_rx_buffer: for (i = 0; i < MAX_RCV_CTX; ++i) { @@ -525,7 +513,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) } vfree(adapter->cmd_buf_arr); - kfree(adapter->ops); kfree(adapter); } @@ -557,15 +544,15 @@ static int netxen_nic_open(struct net_device *netdev) err); return err; } - if (adapter->ops->init_port - && adapter->ops->init_port(adapter, port->portnum) != 0) { + if (adapter->init_port + && adapter->init_port(adapter, port->portnum) != 0) { printk(KERN_ERR "%s: Failed to initialize port %d\n", netxen_nic_driver_name, port->portnum); netxen_free_hw_resources(adapter); return -EIO; } - if (adapter->ops->init_niu) - adapter->ops->init_niu(adapter); + if (adapter->init_niu) + adapter->init_niu(adapter); for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) netxen_post_rx_buffers(adapter, ctx, ring); @@ -591,8 +578,8 @@ static int netxen_nic_open(struct net_device *netdev) /* Done here again so that even if phantom sw overwrote it, * we set it */ - if (adapter->ops->macaddr_set) - adapter->ops->macaddr_set(port, netdev->dev_addr); + if (adapter->macaddr_set) + adapter->macaddr_set(port, netdev->dev_addr); netxen_nic_set_link_parameters(port); netxen_nic_set_multi(netdev); @@ -1039,11 +1026,12 @@ static int netxen_nic_poll(struct net_device *netdev, int *budget) int done = 1; int ctx; int this_work_done; + int work_done = 0; DPRINTK(INFO, "polling for %d descriptors\n", *budget); port->stats.polled++; - adapter->work_done = 0; + work_done = 0; for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { /* * Fairness issue. This will give undue weight to the @@ -1060,20 +1048,20 @@ static int netxen_nic_poll(struct net_device *netdev, int *budget) this_work_done = netxen_process_rcv_ring(adapter, ctx, work_to_do / MAX_RCV_CTX); - adapter->work_done += this_work_done; + work_done += this_work_done; } - netdev->quota -= adapter->work_done; - *budget -= adapter->work_done; + netdev->quota -= work_done; + *budget -= work_done; - if (adapter->work_done >= work_to_do + if (work_done >= work_to_do && netxen_nic_rx_has_work(adapter) != 0) done = 0; netxen_process_cmd_ring((unsigned long)adapter); DPRINTK(INFO, "new work_done: %d work_to_do: %d\n", - adapter->work_done, work_to_do); + work_done, work_to_do); if (done) { netif_rx_complete(netdev); netxen_nic_enable_int(adapter); diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c index 7950a04532e..ff74f1e413d 100644 --- a/drivers/net/netxen/netxen_nic_niu.c +++ b/drivers/net/netxen/netxen_nic_niu.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 @@ -16,10 +16,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. - * + * * The full GNU General Public License is included in this distribution * in the file called LICENSE. - * + * * Contact Information: * info@netxen.com * NetXen, @@ -399,8 +399,8 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) { int result = 0; __le32 status; - if (adapter->ops->disable_phy_interrupts) - adapter->ops->disable_phy_interrupts(adapter, port); + if (adapter->disable_phy_interrupts) + adapter->disable_phy_interrupts(adapter, port); mdelay(2); if (0 == -- cgit v1.2.3 From ed25ffa16434724f5ed825aa48734c7f3aefa203 Mon Sep 17 00:00:00 2001 From: "Amit S. Kale" Date: Mon, 4 Dec 2006 09:23:25 -0800 Subject: [PATCH] NetXen: multiport firmware support, ioctl interface NetXen: 1G/10G Ethernet driver updates - Multiport and newer firmware support - ioctl interface for user level tools - Cast error fix for multiport Signed-off-by: Amit S. Kale netxen_nic.h | 281 +++++++++++++++++++++++++------- netxen_nic_ethtool.c | 12 - netxen_nic_hw.c | 429 +++++++++++++++++++++++++++++++++++++++++--------- netxen_nic_init.c | 301 ++++++++++++++++++++++++++++++----- netxen_nic_ioctl.h | 2 netxen_nic_isr.c | 3 netxen_nic_main.c | 260 ++++++++++++++++++------------ netxen_nic_niu.c | 22 +- netxen_nic_phan_reg.h | 228 ++++++++++++++++---------- 9 files changed, 1161 insertions(+), 377 deletions(-) Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic.h | 281 +++++++++++++++----- drivers/net/netxen/netxen_nic_ethtool.c | 12 +- drivers/net/netxen/netxen_nic_hw.c | 429 +++++++++++++++++++++++++------ drivers/net/netxen/netxen_nic_init.c | 301 +++++++++++++++++++--- drivers/net/netxen/netxen_nic_ioctl.h | 2 +- drivers/net/netxen/netxen_nic_isr.c | 3 +- drivers/net/netxen/netxen_nic_main.c | 260 ++++++++++++------- drivers/net/netxen/netxen_nic_niu.c | 22 +- drivers/net/netxen/netxen_nic_phan_reg.h | 228 +++++++++------- 9 files changed, 1161 insertions(+), 377 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index d51f43709cb..3151aaa7906 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -63,27 +63,49 @@ #include "netxen_nic_hw.h" -#define NETXEN_NIC_BUILD_NO "5" -#define _NETXEN_NIC_LINUX_MAJOR 2 +#define NETXEN_NIC_BUILD_NO "1" +#define _NETXEN_NIC_LINUX_MAJOR 3 #define _NETXEN_NIC_LINUX_MINOR 3 -#define _NETXEN_NIC_LINUX_SUBVERSION 59 -#define NETXEN_NIC_LINUX_VERSIONID "2.3.59" "-" NETXEN_NIC_BUILD_NO -#define NETXEN_NIC_FW_VERSIONID "2.3.59" +#define _NETXEN_NIC_LINUX_SUBVERSION 2 +#define NETXEN_NIC_LINUX_VERSIONID "3.3.2" "-" NETXEN_NIC_BUILD_NO +#define NETXEN_NIC_FW_VERSIONID "3.3.2" #define RCV_DESC_RINGSIZE \ (sizeof(struct rcv_desc) * adapter->max_rx_desc_count) #define STATUS_DESC_RINGSIZE \ (sizeof(struct status_desc)* adapter->max_rx_desc_count) +#define LRO_DESC_RINGSIZE \ + (sizeof(rcvDesc_t) * adapter->max_lro_rx_desc_count) #define TX_RINGSIZE \ (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count) #define RCV_BUFFSIZE \ (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count) #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a))) -#define NETXEN_NETDEV_STATUS 0x1 +#define NETXEN_NETDEV_STATUS 0x1 +#define NETXEN_RCV_PRODUCER_OFFSET 0 +#define NETXEN_RCV_PEG_DB_ID 2 +#define NETXEN_HOST_DUMMY_DMA_SIZE 1024 #define ADDR_IN_WINDOW1(off) \ ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0 +/* + * In netxen_nic_down(), we must wait for any pending callback requests into + * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be + * reenabled right after it is deleted in netxen_nic_down(). FLUSH_SCHEDULED_WORK() + * does this synchronization. + * + * Normally, schedule_work()/flush_scheduled_work() could have worked, but + * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off() + * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a + * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause + * linkwatch_event() to be executed which also attempts to acquire the rtnl + * lock thus causing a deadlock. + */ + +#define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp) +#define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq) +extern struct workqueue_struct *netxen_workq; /* * normalize a 64MB crb address to 32MB PCI window @@ -95,8 +117,14 @@ #define NETXEN_CRB_NORMALIZE(adapter, reg) \ pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg)) +#define DB_NORMALIZE(adapter, off) \ + (adapter->ahw.db_base + (off)) + +#define NX_P2_C0 0x24 +#define NX_P2_C1 0x25 + #define FIRST_PAGE_GROUP_START 0 -#define FIRST_PAGE_GROUP_END 0x400000 +#define FIRST_PAGE_GROUP_END 0x100000 #define SECOND_PAGE_GROUP_START 0x4000000 #define SECOND_PAGE_GROUP_END 0x66BC000 @@ -108,11 +136,13 @@ #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START #define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START -#define MAX_RX_BUFFER_LENGTH 2000 +#define MAX_RX_BUFFER_LENGTH 1760 #define MAX_RX_JUMBO_BUFFER_LENGTH 9046 -#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN) +#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512) +#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2) #define RX_JUMBO_DMA_MAP_LEN \ - (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN) + (MAX_RX_JUMBO_BUFFER_LENGTH - 2) +#define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2) #define NETXEN_ROM_ROUNDUP 0x80000000ULL /* @@ -151,30 +181,38 @@ enum { /* Host writes the following to notify that it has done the init-handshake */ #define PHAN_INITIALIZE_ACK 0xf00f -#define NUM_RCV_DESC_RINGS 2 /* No of Rcv Descriptor contexts */ +#define NUM_RCV_DESC_RINGS 3 /* No of Rcv Descriptor contexts */ /* descriptor types */ #define RCV_DESC_NORMAL 0x01 #define RCV_DESC_JUMBO 0x02 +#define RCV_DESC_LRO 0x04 #define RCV_DESC_NORMAL_CTXID 0 #define RCV_DESC_JUMBO_CTXID 1 +#define RCV_DESC_LRO_CTXID 2 #define RCV_DESC_TYPE(ID) \ - ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL) + ((ID == RCV_DESC_JUMBO_CTXID) \ + ? RCV_DESC_JUMBO \ + : ((ID == RCV_DESC_LRO_CTXID) \ + ? RCV_DESC_LRO : \ + (RCV_DESC_NORMAL))) #define MAX_CMD_DESCRIPTORS 1024 #define MAX_RCV_DESCRIPTORS 32768 #define MAX_JUMBO_RCV_DESCRIPTORS 4096 +#define MAX_LRO_RCV_DESCRIPTORS 2048 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS #define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS -#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS) #define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8) - +#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS + \ + MAX_LRO_RCV_DESCRIPTORS) #define MIN_TX_COUNT 4096 #define MIN_RX_COUNT 4096 - +#define NETXEN_CTX_SIGNATURE 0xdee0 +#define NETXEN_RCV_PRODUCER(ringid) (ringid) #define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */ #define PHAN_PEG_RCV_INITIALIZED 0xff01 @@ -186,6 +224,67 @@ enum { #define get_index_range(index,length,count) \ (((index) + (count)) & ((length) - 1)) +#define MPORT_SINGLE_FUNCTION_MODE 0x1111 + +extern unsigned long long netxen_dma_mask; + +/* + * NetXen host-peg signal message structure + * + * Bit 0-1 : peg_id => 0x2 for tx and 01 for rx + * Bit 2 : priv_id => must be 1 + * Bit 3-17 : count => for doorbell + * Bit 18-27 : ctx_id => Context id + * Bit 28-31 : opcode + */ + +typedef u32 netxen_ctx_msg; + +#define _netxen_set_bits(config_word, start, bits, val) {\ + unsigned long long mask = (((1ULL << (bits)) - 1) << (start)); \ + unsigned long long value = (val); \ + (config_word) &= ~mask; \ + (config_word) |= (((value) << (start)) & mask); \ +} + +#define netxen_set_msg_peg_id(config_word, val) \ + _netxen_set_bits(config_word, 0, 2, val) +#define netxen_set_msg_privid(config_word) \ + set_bit(2, (unsigned long*)&config_word) +#define netxen_set_msg_count(config_word, val) \ + _netxen_set_bits(config_word, 3, 15, val) +#define netxen_set_msg_ctxid(config_word, val) \ + _netxen_set_bits(config_word, 18, 10, val) +#define netxen_set_msg_opcode(config_word, val) \ + _netxen_set_bits(config_word, 28, 4, val) + +struct netxen_rcv_context { + u32 rcv_ring_addr_lo; + u32 rcv_ring_addr_hi; + u32 rcv_ring_size; + u32 rsrvd; +}; + +struct netxen_ring_ctx { + + /* one command ring */ + u64 cmd_consumer_offset; + u32 cmd_ring_addr_lo; + u32 cmd_ring_addr_hi; + u32 cmd_ring_size; + u32 rsrvd; + + /* three receive rings */ + struct netxen_rcv_context rcv_ctx[3]; + + /* one status ring */ + u32 sts_ring_addr_lo; + u32 sts_ring_addr_hi; + u32 sts_ring_size; + + u32 ctx_id; +} __attribute__ ((aligned(64))); + /* * Following data structures describe the descriptors that will be used. * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when @@ -203,22 +302,32 @@ enum { #define FLAGS_IPSEC_SA_DELETE 0x08 #define FLAGS_VLAN_TAGGED 0x10 -#define CMD_DESC_TOTAL_LENGTH(cmd_desc) \ - ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF) -#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \ - (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF) -#define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F) -#define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F) +#define netxen_set_cmd_desc_port(cmd_desc, var) \ + ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) -#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \ - ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF)) -#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \ - ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000)) -#define CMD_DESC_PORT_WRT(cmd_desc, var) \ - ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) +#define netxen_set_cmd_desc_flags(cmd_desc, val) \ + _netxen_set_bits((cmd_desc)->flags_opcode, 0, 7, val) +#define netxen_set_cmd_desc_opcode(cmd_desc, val) \ + _netxen_set_bits((cmd_desc)->flags_opcode, 7, 6, val) + +#define netxen_set_cmd_desc_num_of_buff(cmd_desc, val) \ + _netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 0, 8, val); +#define netxen_set_cmd_desc_totallength(cmd_desc, val) \ + _netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 8, 24, val); + +#define netxen_get_cmd_desc_opcode(cmd_desc) \ + (((cmd_desc)->flags_opcode >> 7) & 0x003F) +#define netxen_get_cmd_desc_totallength(cmd_desc) \ + (((cmd_desc)->num_of_buffers_total_length >> 8) & 0x0FFFFFF) struct cmd_desc_type0 { - u64 netxen_next; /* for fragments handled by Phantom */ + u8 tcp_hdr_offset; /* For LSO only */ + u8 ip_hdr_offset; /* For LSO only */ + /* Bit pattern: 0-6 flags, 7-12 opcode, 13-15 unused */ + u16 flags_opcode; + /* Bit pattern: 0-7 total number of segments, + 8-31 Total size of the packet */ + u32 num_of_buffers_total_length; union { struct { u32 addr_low_part2; @@ -227,13 +336,6 @@ struct cmd_desc_type0 { u64 addr_buffer2; }; - /* Bit pattern: 0-23 total length, 24-32 tcp header offset */ - u32 length_tcp_hdr; - u8 ip_hdr_offset; /* For LSO only */ - u8 num_of_buffers; /* total number of segments */ - u8 flags; /* as defined above */ - u8 opcode; - u16 reference_handle; /* changed to u16 to add mss */ u16 mss; /* passed by NDIS_PACKET for LSO */ /* Bit pattern 0-3 port, 0-3 ctx id */ @@ -248,7 +350,6 @@ struct cmd_desc_type0 { }; u64 addr_buffer3; }; - union { struct { u32 addr_low_part1; @@ -270,6 +371,8 @@ struct cmd_desc_type0 { u64 addr_buffer4; }; + u64 unused; + } __attribute__ ((aligned(64))); /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */ @@ -296,22 +399,49 @@ struct rcv_desc { #define NETXEN_PROT_UNKNOWN (0) /* Note: sizeof(status_desc) should always be a mutliple of 2 */ -#define STATUS_DESC_PORT(status_desc) \ - ((status_desc)->port_status_type_op & 0x0F) -#define STATUS_DESC_STATUS(status_desc) \ - (((status_desc)->port_status_type_op >> 4) & 0x0F) -#define STATUS_DESC_TYPE(status_desc) \ - (((status_desc)->port_status_type_op >> 8) & 0x0F) -#define STATUS_DESC_OPCODE(status_desc) \ - (((status_desc)->port_status_type_op >> 12) & 0x0F) + +#define netxen_get_sts_desc_lro_cnt(status_desc) \ + ((status_desc)->lro & 0x7F) +#define netxen_get_sts_desc_lro_last_frag(status_desc) \ + (((status_desc)->lro & 0x80) >> 7) + +#define netxen_get_sts_port(status_desc) \ + ((status_desc)->status_desc_data & 0x0F) +#define netxen_get_sts_status(status_desc) \ + (((status_desc)->status_desc_data >> 4) & 0x0F) +#define netxen_get_sts_type(status_desc) \ + (((status_desc)->status_desc_data >> 8) & 0x0F) +#define netxen_get_sts_totallength(status_desc) \ + (((status_desc)->status_desc_data >> 12) & 0xFFFF) +#define netxen_get_sts_refhandle(status_desc) \ + (((status_desc)->status_desc_data >> 28) & 0xFFFF) +#define netxen_get_sts_prot(status_desc) \ + (((status_desc)->status_desc_data >> 44) & 0x0F) +#define netxen_get_sts_owner(status_desc) \ + (((status_desc)->status_desc_data >> 56) & 0x03) +#define netxen_get_sts_opcode(status_desc) \ + (((status_desc)->status_desc_data >> 58) & 0x03F) + +#define netxen_clear_sts_owner(status_desc) \ + ((status_desc)->status_desc_data &= \ + ~(((unsigned long long)3) << 56 )) +#define netxen_set_sts_owner(status_desc, val) \ + ((status_desc)->status_desc_data |= \ + (((unsigned long long)((val) & 0x3)) << 56 )) struct status_desc { - /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */ - u16 port_status_type_op; - u16 total_length; /* NIC mode */ - u16 reference_handle; /* handle for the associated packet */ - /* Bit pattern: 0-1 owner, 2-5 protocol */ - u16 owner; /* Owner of the descriptor */ + /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length + 28-43 reference_handle, 44-47 protocol, 48-52 unused + 53-55 desc_cnt, 56-57 owner, 58-63 opcode + */ + u64 status_desc_data; + u32 hash_value; + u8 hash_type; + u8 msg_type; + u8 unused; + /* Bit pattern: 0-6 lro_count indicates frag sequence, + 7 last_frag indicates last frag */ + u8 lro; } __attribute__ ((aligned(8))); enum { @@ -563,7 +693,8 @@ typedef enum { #define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START) #define NUM_PRIMARY_SECTORS (0x20) #define NUM_CONFIG_SECTORS (1) -#define PFX "netxen: " +#define PFX "NetXen: " +extern char netxen_nic_driver_name[]; /* Note: Make sure to not call this before adapter->port is valid */ #if !defined(NETXEN_DEBUG) @@ -609,7 +740,6 @@ struct netxen_cmd_buffer { u8 frag_count; unsigned long time_stamp; u32 state; - u32 no_of_descriptors; }; /* In rx_buffer, we do not need multiple fragments as is a single buffer */ @@ -618,6 +748,9 @@ struct netxen_rx_buffer { u64 dma; u16 ref_handle; u16 state; + u32 lro_expected_frags; + u32 lro_current_frags; + u32 lro_length; }; /* Board types */ @@ -633,6 +766,8 @@ struct netxen_hardware_context { void __iomem *pci_base0; void __iomem *pci_base1; void __iomem *pci_base2; + void __iomem *db_base; + unsigned long db_len; u8 revision_id; u16 board_type; @@ -642,14 +777,13 @@ struct netxen_hardware_context { u32 qg_linksup; /* Address of cmd ring in Phantom */ struct cmd_desc_type0 *cmd_desc_head; - char *pauseaddr; struct pci_dev *cmd_desc_pdev; dma_addr_t cmd_desc_phys_addr; - dma_addr_t pause_physaddr; - struct pci_dev *pause_pdev; struct netxen_adapter *adapter; }; +#define RCV_RING_LRO RCV_DESC_LRO + #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */ #define ETHERNET_FCS_SIZE 4 @@ -702,6 +836,13 @@ struct netxen_recv_context { }; #define NETXEN_NIC_MSI_ENABLED 0x02 +#define NETXEN_DMA_MASK 0xfffffffe +#define NETXEN_DB_MAPSIZE_BYTES 0x1000 + +struct netxen_dummy_dma { + void *addr; + dma_addr_t phys_addr; +}; struct netxen_adapter { struct netxen_hardware_context ahw; @@ -711,18 +852,19 @@ struct netxen_adapter { spinlock_t tx_lock; spinlock_t lock; struct work_struct watchdog_task; - struct work_struct tx_timeout_task; + struct work_struct tx_timeout_task[NETXEN_MAX_PORTS]; struct timer_list watchdog_timer; u32 curr_window; u32 cmd_producer; - u32 cmd_consumer; + u32 *cmd_consumer; u32 last_cmd_consumer; u32 max_tx_desc_count; u32 max_rx_desc_count; u32 max_jumbo_rx_desc_count; + u32 max_lro_rx_desc_count; /* Num of instances active on cmd buffer ring */ u32 proc_cmd_buf_counter; @@ -744,6 +886,13 @@ struct netxen_adapter { struct netxen_recv_context recv_ctx[MAX_RCV_CTX]; int is_up; + int number; + struct netxen_dummy_dma dummy_dma; + + /* Context interface shared between card and host */ + struct netxen_ring_ctx *ctx_desc; + struct pci_dev *ctx_desc_pdev; + dma_addr_t ctx_desc_phys_addr; int (*enable_phy_interrupts) (struct netxen_adapter *, int); int (*disable_phy_interrupts) (struct netxen_adapter *, int); void (*handle_phy_intr) (struct netxen_adapter *); @@ -758,7 +907,6 @@ struct netxen_adapter { int (*init_port) (struct netxen_adapter *, int); void (*init_niu) (struct netxen_adapter *); int (*stop_port) (struct netxen_adapter *, int); - }; /* netxen_adapter structure */ /* Max number of xmit producer threads that can run simultaneously */ @@ -840,8 +988,6 @@ static inline void __iomem *pci_base(struct netxen_adapter *adapter, return NULL; } -extern char netxen_nic_driver_name[]; - int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, int port); int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, @@ -880,10 +1026,20 @@ int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); +int netxen_nic_hw_read_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len); +int netxen_nic_hw_write_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len); +int netxen_nic_pci_mem_write_ioctl(struct netxen_adapter *adapter, + u64 off, void *data, int size); +int netxen_nic_pci_mem_read_ioctl(struct netxen_adapter *adapter, + u64 off, void *data, int size); void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, int data); /* Functions from netxen_nic_init.c */ +void netxen_free_adapter_offload(struct netxen_adapter *adapter); +int netxen_initialize_adapter_offload(struct netxen_adapter *adapter); void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); void netxen_load_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); @@ -918,7 +1074,9 @@ int netxen_nic_tx_has_work(struct netxen_adapter *adapter); void netxen_watchdog_task(unsigned long v); void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid); -void netxen_process_cmd_ring(unsigned long data); +void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, u32 ctx, + u32 ringid); +int netxen_process_cmd_ring(unsigned long data); u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); void netxen_nic_set_multi(struct net_device *netdev); int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu); @@ -1012,7 +1170,6 @@ static inline void get_brd_name_by_type(u32 type, char *name) int netxen_is_flash_supported(struct netxen_adapter *adapter); int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]); - extern void netxen_change_ringparam(struct netxen_adapter *adapter); extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index c7fcbf345db..2ab4885cc95 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -459,20 +459,22 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { struct netxen_port *port = netdev_priv(dev); struct netxen_adapter *adapter = port->adapter; - int i, j; + int i; ring->rx_pending = 0; + ring->rx_jumbo_pending = 0; for (i = 0; i < MAX_RCV_CTX; ++i) { - for (j = 0; j < NUM_RCV_DESC_RINGS; j++) - ring->rx_pending += - adapter->recv_ctx[i].rcv_desc[j].rcv_pending; + ring->rx_pending += adapter->recv_ctx[i]. + rcv_desc[RCV_DESC_NORMAL_CTXID].rcv_pending; + ring->rx_jumbo_pending += adapter->recv_ctx[i]. + rcv_desc[RCV_DESC_JUMBO_CTXID].rcv_pending; } ring->rx_max_pending = adapter->max_rx_desc_count; ring->tx_max_pending = adapter->max_tx_desc_count; + ring->rx_jumbo_max_pending = adapter->max_jumbo_rx_desc_count; ring->rx_mini_max_pending = 0; ring->rx_mini_pending = 0; - ring->rx_jumbo_max_pending = 0; ring->rx_jumbo_pending = 0; } diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 7470852ab58..9147b6048df 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -42,7 +42,7 @@ #define NETXEN_FLASH_BASE (BOOTLD_START) #define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) -#define NETXEN_MAX_MTU 8000 +#define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE #define NETXEN_MIN_MTU 64 #define NETXEN_ETH_FCS_SIZE 4 #define NETXEN_ENET_HEADER_SIZE 14 @@ -176,11 +176,9 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) struct netxen_hardware_context *hw = &adapter->ahw; u32 state = 0; void *addr; - void *pause_addr; int loops = 0, err = 0; int ctx, ring; u32 card_cmdring = 0; - struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; @@ -224,33 +222,42 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n"); addr = netxen_alloc(adapter->ahw.pdev, - sizeof(struct cmd_desc_type0) * - adapter->max_tx_desc_count, - &hw->cmd_desc_phys_addr, &hw->cmd_desc_pdev); + sizeof(struct netxen_ring_ctx) + + sizeof(uint32_t), + (dma_addr_t *) & adapter->ctx_desc_phys_addr, + &adapter->ctx_desc_pdev); + printk("ctx_desc_phys_addr: 0x%llx\n", + (u64) adapter->ctx_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); - return -ENOMEM; + err = -ENOMEM; + return err; } + memset(addr, 0, sizeof(struct netxen_ring_ctx)); + adapter->ctx_desc = (struct netxen_ring_ctx *)addr; + adapter->ctx_desc->cmd_consumer_offset = adapter->ctx_desc_phys_addr + + sizeof(struct netxen_ring_ctx); + adapter->cmd_consumer = (uint32_t *) (((char *)addr) + + sizeof(struct netxen_ring_ctx)); + + addr = pci_alloc_consistent(adapter->ahw.pdev, + sizeof(struct cmd_desc_type0) * + adapter->max_tx_desc_count, + (dma_addr_t *) & hw->cmd_desc_phys_addr); + printk("cmd_desc_phys_addr: 0x%llx\n", (u64) hw->cmd_desc_phys_addr); - pause_addr = netxen_alloc(adapter->ahw.pdev, 512, - (dma_addr_t *) & hw->pause_physaddr, - &hw->pause_pdev); - if (pause_addr == NULL) { - DPRINTK(1, ERR, "bad return from pci_alloc_consistent\n"); + if (addr == NULL) { + DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); + netxen_free_hw_resources(adapter); return -ENOMEM; } - hw->pauseaddr = (char *)pause_addr; - { - u64 *ptr = (u64 *) pause_addr; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_UNIT_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR1; - *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR2; - } + adapter->ctx_desc->cmd_ring_addr_lo = + hw->cmd_desc_phys_addr & 0xffffffffUL; + adapter->ctx_desc->cmd_ring_addr_hi = + ((u64) hw->cmd_desc_phys_addr >> 32); + adapter->ctx_desc->cmd_ring_size = adapter->max_tx_desc_count; hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; @@ -271,6 +278,12 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) return err; } rcv_desc->desc_head = (struct rcv_desc *)addr; + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr_lo = + rcv_desc->phys_addr & 0xffffffffUL; + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr_hi = + ((u64) rcv_desc->phys_addr >> 32); + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = + rcv_desc->max_rx_desc_count; } addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE, @@ -284,47 +297,21 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) return err; } recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - rcv_desc_crb = - &recv_crb_registers[ctx].rcv_desc_crb[ring]; - DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n", - ring, rcv_desc_crb->crb_globalrcv_ring); - /* Window = 1 */ - writel(lower32(rcv_desc->phys_addr), - NETXEN_CRB_NORMALIZE(adapter, - rcv_desc_crb-> - crb_globalrcv_ring)); - DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x" - " val 0x%llx," - " virt %p\n", ctx, - rcv_desc_crb->crb_globalrcv_ring, - (unsigned long long)rcv_desc->phys_addr, - +rcv_desc->desc_head); - } + adapter->ctx_desc->sts_ring_addr_lo = + recv_ctx->rcv_status_desc_phys_addr & 0xffffffffUL; + adapter->ctx_desc->sts_ring_addr_hi = + ((u64) recv_ctx->rcv_status_desc_phys_addr >> 32); + adapter->ctx_desc->sts_ring_size = adapter->max_rx_desc_count; - /* Window = 1 */ - writel(lower32(recv_ctx->rcv_status_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ctx]. - crb_rcvstatus_ring)); - DPRINTK(INFO, "RCVSTATUS_RING, ctx %d, addr 0x%x," - " val 0x%x,virt%p\n", - ctx, - recv_crb_registers[ctx].crb_rcvstatus_ring, - (unsigned long long)recv_ctx->rcv_status_desc_phys_addr, - recv_ctx->rcv_status_desc_head); } /* Window = 1 */ - writel(lower32(hw->pause_physaddr), - NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_LO)); - writel(upper32(hw->pause_physaddr), - NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_HI)); - - writel(lower32(hw->cmd_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); - writel(upper32(hw->cmd_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_HI)); + + writel(lower32(adapter->ctx_desc_phys_addr), + NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO)); + writel(upper32(adapter->ctx_desc_phys_addr), + NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI)); + writel(NETXEN_CTX_SIGNATURE, + NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG)); return err; } @@ -334,6 +321,15 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) struct netxen_rcv_desc_ctx *rcv_desc; int ctx, ring; + if (adapter->ctx_desc != NULL) { + pci_free_consistent(adapter->ctx_desc_pdev, + sizeof(struct netxen_ring_ctx) + + sizeof(uint32_t), + adapter->ctx_desc, + adapter->ctx_desc_phys_addr); + adapter->ctx_desc = NULL; + } + if (adapter->ahw.cmd_desc_head != NULL) { pci_free_consistent(adapter->ahw.cmd_desc_pdev, sizeof(struct cmd_desc_type0) * @@ -342,11 +338,9 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) adapter->ahw.cmd_desc_phys_addr); adapter->ahw.cmd_desc_head = NULL; } - if (adapter->ahw.pauseaddr != NULL) { - pci_free_consistent(adapter->ahw.pause_pdev, 512, - adapter->ahw.pauseaddr, - adapter->ahw.pause_physaddr); - adapter->ahw.pauseaddr = NULL; + /* Special handling: there are 2 ports on this board */ + if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) { + adapter->ahw.max_ports = 2; } for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { @@ -381,19 +375,22 @@ void netxen_tso_check(struct netxen_adapter *adapter, desc->total_hdr_length = sizeof(struct ethhdr) + ((skb->nh.iph)->ihl * sizeof(u32)) + ((skb->h.th)->doff * sizeof(u32)); - desc->opcode = TX_TCP_LSO; + netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO); } else if (skb->ip_summed == CHECKSUM_COMPLETE) { if (skb->nh.iph->protocol == IPPROTO_TCP) { - desc->opcode = TX_TCP_PKT; + netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT); } else if (skb->nh.iph->protocol == IPPROTO_UDP) { - desc->opcode = TX_UDP_PKT; + netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT); } else { return; } } adapter->stats.xmitcsummed++; - CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data); - desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr); + desc->tcp_hdr_offset = skb->h.raw - skb->data; + netxen_set_cmd_desc_totallength(desc, + cpu_to_le32 + (netxen_get_cmd_desc_totallength + (desc))); desc->ip_hdr_offset = skb->nh.raw - skb->data; } @@ -871,7 +868,7 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) { struct netxen_adapter *adapter = port->adapter; __le32 status; - u16 autoneg; + __le32 autoneg; __le32 mode; netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); @@ -911,7 +908,7 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) && adapter-> phy_read(adapter, port->portnum, NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, - (__le32 *) & autoneg) != 0) + &autoneg) != 0) port->link_autoneg = autoneg; } else goto link_down; @@ -1006,3 +1003,291 @@ int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off) netxen_nic_hw_read_wx(adapter, off, &data, 4); return data; } + +int netxen_nic_hw_write_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len) +{ + void *addr; + u64 offset = off; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (ADDR_IN_WINDOW1(off)) { + addr = NETXEN_CRB_NORMALIZE(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + offset = NETXEN_CRB_NORMAL(off); + mem_page = offset & PAGE_MASK; + if (mem_page != ((offset + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += offset & (PAGE_SIZE - 1); + } + } else { + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + if (mem_page != ((off + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + netxen_nic_pci_change_crbwindow(adapter, 0); + } + switch (len) { + case 1: + writeb(*(u8 *) data, addr); + break; + case 2: + writew(*(u16 *) data, addr); + break; + case 4: + writel(*(u32 *) data, addr); + break; + case 8: + writeq(*(u64 *) data, addr); + break; + default: + DPRINTK(INFO, + "writing data %lx to offset %llx, num words=%d\n", + *(unsigned long *)data, off, (len >> 3)); + + netxen_nic_hw_block_write64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + if (mem_ptr) + iounmap(mem_ptr); + return 0; +} + +int netxen_nic_hw_read_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len) +{ + void *addr; + u64 offset; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (ADDR_IN_WINDOW1(off)) { + addr = NETXEN_CRB_NORMALIZE(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + offset = NETXEN_CRB_NORMAL(off); + mem_page = offset & PAGE_MASK; + if (mem_page != ((offset + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + *(u8 *) data = 0; + return 1; + } + addr = mem_ptr; + addr += offset & (PAGE_SIZE - 1); + } + } else { + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + if (mem_page != ((off + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) + return 1; + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + netxen_nic_pci_change_crbwindow(adapter, 0); + } + switch (len) { + case 1: + *(u8 *) data = readb(addr); + break; + case 2: + *(u16 *) data = readw(addr); + break; + case 4: + *(u32 *) data = readl(addr); + break; + case 8: + *(u64 *) data = readq(addr); + break; + default: + netxen_nic_hw_block_read64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + if (mem_ptr) + iounmap(mem_ptr); + return 0; +} + +int netxen_nic_pci_mem_write_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int size) +{ + void *addr; + int ret = 0; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (data == NULL || off > (128 * 1024 * 1024)) { + printk(KERN_ERR "%s: data: %p off:%llx\n", + netxen_nic_driver_name, data, off); + return 1; + } + off = netxen_nic_pci_set_window(adapter, off); + /* Corner case : Malicious user tried to break the driver by reading + last few bytes in ranges and tries to read further addresses. + */ + if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) { + printk(KERN_ERR "%s: Invalid access to memory address range" + " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off, + off + size); + return 1; + } + addr = pci_base_offset(adapter, off); + DPRINTK(INFO, "writing data %llx to offset %llx\n", + *(unsigned long long *)data, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + /* Map two pages whenever user tries to access addresses in two + consecutive pages. + */ + if (mem_page != ((off + size - 1) & PAGE_MASK)) + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + switch (size) { + case 1: + writeb(*(u8 *) data, addr); + break; + case 2: + writew(*(u16 *) data, addr); + break; + case 4: + writel(*(u32 *) data, addr); + break; + case 8: + writeq(*(u64 *) data, addr); + break; + default: + DPRINTK(INFO, + "writing data %lx to offset %llx, num words=%d\n", + *(unsigned long *)data, off, (size >> 3)); + + netxen_nic_hw_block_write64((u64 __iomem *) data, addr, + (size >> 3)); + break; + } + + if (mem_ptr) + iounmap(mem_ptr); + DPRINTK(INFO, "wrote %llx\n", *(unsigned long long *)data); + + return ret; +} + +int netxen_nic_pci_mem_read_ioctl(struct netxen_adapter *adapter, + u64 off, void *data, int size) +{ + void *addr; + int ret = 0; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (data == NULL || off > (128 * 1024 * 1024)) { + printk(KERN_ERR "%s: data: %p off:%llx\n", + netxen_nic_driver_name, data, off); + return 1; + } + off = netxen_nic_pci_set_window(adapter, off); + /* Corner case : Malicious user tried to break the driver by reading + last few bytes in ranges and tries to read further addresses. + */ + if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) { + printk(KERN_ERR "%s: Invalid access to memory address range" + " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off, + off + size); + return 1; + } + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + /* Map two pages whenever user tries to access addresses in two + consecutive pages. + */ + if (mem_page != ((off + size - 1) & PAGE_MASK)) + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + *(u8 *) data = 0; + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + switch (size) { + case 1: + *(u8 *) data = readb(addr); + break; + case 2: + *(u16 *) data = readw(addr); + break; + case 4: + *(u32 *) data = readl(addr); + break; + case 8: + *(u64 *) data = readq(addr); + break; + default: + netxen_nic_hw_block_read64((u64 __iomem *) data, addr, + (size >> 3)); + break; + } + + if (mem_ptr) + iounmap(mem_ptr); + DPRINTK(INFO, "read %llx\n", *(unsigned long long *)data); + + return ret; +} diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index deac1a3ae27..f78668030ec 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -137,6 +137,8 @@ int netxen_init_firmware(struct netxen_adapter *adapter) return err; } /* Window 1 call */ + writel(MPORT_SINGLE_FUNCTION_MODE, + NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE)); writel(PHAN_INITIALIZE_ACK, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)); @@ -184,15 +186,12 @@ void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) for (i = 0; i < num_rx_bufs; i++) { rx_buf->ref_handle = i; rx_buf->state = NETXEN_BUFFER_FREE; - DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:" "%p\n", ctxid, i, rx_buf); rx_buf++; } } } - DPRINTK(INFO, "initialized buffers for %s and %s\n", - "adapter->free_cmd_buf_list", "adapter->free_rxbuf"); } void netxen_initialize_adapter_hw(struct netxen_adapter *adapter) @@ -621,6 +620,43 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) return 0; } +int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) +{ + uint64_t addr; + uint32_t hi; + uint32_t lo; + + adapter->dummy_dma.addr = + pci_alloc_consistent(adapter->ahw.pdev, + NETXEN_HOST_DUMMY_DMA_SIZE, + &adapter->dummy_dma.phys_addr); + if (adapter->dummy_dma.addr == NULL) { + printk("%s: ERROR: Could not allocate dummy DMA memory\n", + __FUNCTION__); + return -ENOMEM; + } + + addr = (uint64_t) adapter->dummy_dma.phys_addr; + hi = (addr >> 32) & 0xffffffff; + lo = addr & 0xffffffff; + + writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI)); + writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO)); + + return 0; +} + +void netxen_free_adapter_offload(struct netxen_adapter *adapter) +{ + if (adapter->dummy_dma.addr) { + pci_free_consistent(adapter->ahw.pdev, + NETXEN_HOST_DUMMY_DMA_SIZE, + adapter->dummy_dma.addr, + adapter->dummy_dma.phys_addr); + adapter->dummy_dma.addr = NULL; + } +} + void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) { u32 val = 0; @@ -655,7 +691,8 @@ int netxen_nic_rx_has_work(struct netxen_adapter *adapter) desc_head = recv_ctx->rcv_status_desc_head; desc = &desc_head[consumer]; - if (((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) + if (((le16_to_cpu(netxen_get_sts_owner(desc))) + & STATUS_OWNER_HOST)) return 1; } @@ -747,19 +784,19 @@ void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, struct status_desc *desc) { - struct netxen_port *port = adapter->port[STATUS_DESC_PORT(desc)]; + struct netxen_port *port = adapter->port[netxen_get_sts_port(desc)]; struct pci_dev *pdev = port->pdev; struct net_device *netdev = port->netdev; - int index = le16_to_cpu(desc->reference_handle); + int index = le16_to_cpu(netxen_get_sts_refhandle(desc)); struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]); struct netxen_rx_buffer *buffer; struct sk_buff *skb; - u32 length = le16_to_cpu(desc->total_length); + u32 length = le16_to_cpu(netxen_get_sts_totallength(desc)); u32 desc_ctx; struct netxen_rcv_desc_ctx *rcv_desc; int ret; - desc_ctx = STATUS_DESC_TYPE(desc); + desc_ctx = netxen_get_sts_type(desc); if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) { printk("%s: %s Bad Rcv descriptor ring\n", netxen_nic_driver_name, netdev->name); @@ -767,20 +804,49 @@ netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, } rcv_desc = &recv_ctx->rcv_desc[desc_ctx]; + if (unlikely(index > rcv_desc->max_rx_desc_count)) { + DPRINTK(ERR, "Got a buffer index:%x Max is %x\n", + index, rcv_desc->max_rx_desc_count); + return; + } buffer = &rcv_desc->rx_buf_arr[index]; + if (desc_ctx == RCV_DESC_LRO_CTXID) { + buffer->lro_current_frags++; + if (netxen_get_sts_desc_lro_last_frag(desc)) { + buffer->lro_expected_frags = + netxen_get_sts_desc_lro_cnt(desc); + buffer->lro_length = length; + } + if (buffer->lro_current_frags != buffer->lro_expected_frags) { + if (buffer->lro_expected_frags != 0) { + printk("LRO: (refhandle:%x) recv frag." + "wait for last. flags: %x expected:%d" + "have:%d\n", index, + netxen_get_sts_desc_lro_last_frag(desc), + buffer->lro_expected_frags, + buffer->lro_current_frags); + } + return; + } + } pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size, PCI_DMA_FROMDEVICE); skb = (struct sk_buff *)buffer->skb; - if (likely(STATUS_DESC_STATUS(desc) == STATUS_CKSUM_OK)) { + if (likely(netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) { port->stats.csummed++; skb->ip_summed = CHECKSUM_UNNECESSARY; - } else - skb->ip_summed = CHECKSUM_NONE; + } skb->dev = netdev; - skb_put(skb, length); + if (desc_ctx == RCV_DESC_LRO_CTXID) { + /* True length was only available on the last pkt */ + skb_put(skb, buffer->lro_length); + } else { + skb_put(skb, length); + } + skb->protocol = eth_type_trans(skb, netdev); ret = netif_receive_skb(skb); @@ -826,6 +892,8 @@ netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, adapter->stats.post_called++; buffer->skb = NULL; buffer->state = NETXEN_BUFFER_FREE; + buffer->lro_current_frags = 0; + buffer->lro_expected_frags = 0; port->stats.no_rcv++; port->stats.rxbytes += length; @@ -838,6 +906,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; struct status_desc *desc; /* used to read status desc here */ u32 consumer = recv_ctx->status_rx_consumer; + u32 producer = 0; int count = 0, ring; DPRINTK(INFO, "procesing receive\n"); @@ -849,18 +918,22 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) */ while (count < max) { desc = &desc_head[consumer]; - if (!((le16_to_cpu(desc->owner)) & STATUS_OWNER_HOST)) { - DPRINTK(ERR, "desc %p ownedby %x\n", desc, desc->owner); + if (! + (le16_to_cpu(netxen_get_sts_owner(desc)) & + STATUS_OWNER_HOST)) { + DPRINTK(ERR, "desc %p ownedby %x\n", desc, + netxen_get_sts_owner(desc)); break; } netxen_process_rcv(adapter, ctxid, desc); - desc->owner = STATUS_OWNER_PHANTOM; + netxen_clear_sts_owner(desc); + netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM); consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1); count++; } if (count) { for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - netxen_post_rx_buffers(adapter, ctxid, ring); + netxen_post_rx_buffers_nodb(adapter, ctxid, ring); } } @@ -868,6 +941,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) if (count) { adapter->stats.process_rcv++; recv_ctx->status_rx_consumer = consumer; + recv_ctx->status_rx_producer = producer; /* Window = 1 */ writel(consumer, @@ -880,12 +954,13 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) } /* Process Command status ring */ -void netxen_process_cmd_ring(unsigned long data) +int netxen_process_cmd_ring(unsigned long data) { u32 last_consumer; u32 consumer; struct netxen_adapter *adapter = (struct netxen_adapter *)data; - int count = 0; + int count1 = 0; + int count2 = 0; struct netxen_cmd_buffer *buffer; struct netxen_port *port; /* port #1 */ struct netxen_port *nport; @@ -894,6 +969,7 @@ void netxen_process_cmd_ring(unsigned long data) u32 i; struct sk_buff *skb = NULL; int p; + int done; spin_lock(&adapter->tx_lock); last_consumer = adapter->last_cmd_consumer; @@ -903,14 +979,13 @@ void netxen_process_cmd_ring(unsigned long data) * number as part of the descriptor. This way we will be able to get * the netdev which is associated with that device. */ - consumer = - readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); + consumer = *(adapter->cmd_consumer); if (last_consumer == consumer) { /* Ring is empty */ DPRINTK(INFO, "last_consumer %d == consumer %d\n", last_consumer, consumer); spin_unlock(&adapter->tx_lock); - return; + return 1; } adapter->proc_cmd_buf_counter++; @@ -921,7 +996,7 @@ void netxen_process_cmd_ring(unsigned long data) */ spin_unlock(&adapter->tx_lock); - while ((last_consumer != consumer) && (count < MAX_STATUS_HANDLE)) { + while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) { buffer = &adapter->cmd_buf_arr[last_consumer]; port = adapter->port[buffer->port]; pdev = port->pdev; @@ -947,24 +1022,25 @@ void netxen_process_cmd_ring(unsigned long data) && netif_carrier_ok(port->netdev)) && ((jiffies - port->netdev->trans_start) > port->netdev->watchdog_timeo)) { - schedule_work(&port->adapter->tx_timeout_task); + SCHEDULE_WORK(port->adapter->tx_timeout_task + + port->portnum); } last_consumer = get_next_index(last_consumer, adapter->max_tx_desc_count); - count++; + count1++; } - adapter->stats.noxmitdone += count; + adapter->stats.noxmitdone += count1; - count = 0; + count2 = 0; spin_lock(&adapter->tx_lock); if ((--adapter->proc_cmd_buf_counter) == 0) { adapter->last_cmd_consumer = last_consumer; while ((adapter->last_cmd_consumer != consumer) - && (count < MAX_STATUS_HANDLE)) { + && (count2 < MAX_STATUS_HANDLE)) { buffer = &adapter->cmd_buf_arr[adapter->last_cmd_consumer]; - count++; + count2++; if (buffer->skb) break; else @@ -973,7 +1049,7 @@ void netxen_process_cmd_ring(unsigned long data) adapter->max_tx_desc_count); } } - if (count) { + if (count1 || count2) { for (p = 0; p < adapter->ahw.max_ports; p++) { nport = adapter->port[p]; if (netif_queue_stopped(nport->netdev) @@ -983,10 +1059,30 @@ void netxen_process_cmd_ring(unsigned long data) } } } + /* + * If everything is freed up to consumer then check if the ring is full + * If the ring is full then check if more needs to be freed and + * schedule the call back again. + * + * This happens when there are 2 CPUs. One could be freeing and the + * other filling it. If the ring is full when we get out of here and + * the card has already interrupted the host then the host can miss the + * interrupt. + * + * There is still a possible race condition and the host could miss an + * interrupt. The card has to take care of this. + */ + if (adapter->last_cmd_consumer == consumer && + (((adapter->cmd_producer + 1) % + adapter->max_tx_desc_count) == adapter->last_cmd_consumer)) { + consumer = *(adapter->cmd_consumer); + } + done = (adapter->last_cmd_consumer == consumer); spin_unlock(&adapter->tx_lock); DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer, __FUNCTION__); + return (done); } /* @@ -998,17 +1094,16 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) struct sk_buff *skb; struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); struct netxen_rcv_desc_ctx *rcv_desc = NULL; - struct netxen_recv_crb *crbarea = &recv_crb_registers[ctx]; - struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; - u32 producer; + uint producer; struct rcv_desc *pdesc; struct netxen_rx_buffer *buffer; int count = 0; int index = 0; + netxen_ctx_msg msg = 0; + dma_addr_t dma; adapter->stats.post_called++; rcv_desc = &recv_ctx->rcv_desc[ringid]; - rcv_desc_crb = &crbarea->rcv_desc_crb[ringid]; producer = rcv_desc->producer; index = rcv_desc->begin_alloc; @@ -1018,6 +1113,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) skb = dev_alloc_skb(rcv_desc->skb_size); if (unlikely(!skb)) { /* + * TODO * We need to schedule the posting of buffers to the pegs. */ rcv_desc->begin_alloc = index; @@ -1025,9 +1121,105 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) " allocated only %d buffers\n", count); break; } + + count++; /* now there should be no failure */ + pdesc = &rcv_desc->desc_head[producer]; + +#if defined(XGB_DEBUG) + *(unsigned long *)(skb->head) = 0xc0debabe; + if (skb_is_nonlinear(skb)) { + printk("Allocated SKB @%p is nonlinear\n"); + } +#endif + skb_reserve(skb, 2); + /* This will be setup when we receive the + * buffer after it has been filled FSL TBD TBD + * skb->dev = netdev; + */ + dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size, + PCI_DMA_FROMDEVICE); + pdesc->addr_buffer = dma; + buffer->skb = skb; + buffer->state = NETXEN_BUFFER_BUSY; + buffer->dma = dma; + /* make a rcv descriptor */ + pdesc->reference_handle = buffer->ref_handle; + pdesc->buffer_length = rcv_desc->dma_size; + DPRINTK(INFO, "done writing descripter\n"); + producer = + get_next_index(producer, rcv_desc->max_rx_desc_count); + index = get_next_index(index, rcv_desc->max_rx_desc_count); + buffer = &rcv_desc->rx_buf_arr[index]; + } + /* if we did allocate buffers, then write the count to Phantom */ + if (count) { + rcv_desc->begin_alloc = index; + rcv_desc->rcv_pending += count; + adapter->stats.lastposted = count; + adapter->stats.posted += count; + rcv_desc->producer = producer; + if (rcv_desc->rcv_free >= 32) { + rcv_desc->rcv_free = 0; + /* Window = 1 */ + writel((producer - 1) & + (rcv_desc->max_rx_desc_count - 1), + NETXEN_CRB_NORMALIZE(adapter, + recv_crb_registers[0]. + rcv_desc_crb[ringid]. + crb_rcv_producer_offset)); + /* + * Write a doorbell msg to tell phanmon of change in + * receive ring producer + */ + netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID); + netxen_set_msg_privid(msg); + netxen_set_msg_count(msg, + ((producer - + 1) & (rcv_desc-> + max_rx_desc_count - 1))); + netxen_set_msg_ctxid(msg, 0); + netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid)); + writel(msg, + DB_NORMALIZE(adapter, + NETXEN_RCV_PRODUCER_OFFSET)); + } + } +} + +void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ctx, + uint32_t ringid) +{ + struct pci_dev *pdev = adapter->ahw.pdev; + struct sk_buff *skb; + struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); + struct netxen_rcv_desc_ctx *rcv_desc = NULL; + u32 producer; + struct rcv_desc *pdesc; + struct netxen_rx_buffer *buffer; + int count = 0; + int index = 0; + + adapter->stats.post_called++; + rcv_desc = &recv_ctx->rcv_desc[ringid]; + + producer = rcv_desc->producer; + index = rcv_desc->begin_alloc; + buffer = &rcv_desc->rx_buf_arr[index]; + /* We can start writing rx descriptors into the phantom memory. */ + while (buffer->state == NETXEN_BUFFER_FREE) { + skb = dev_alloc_skb(rcv_desc->skb_size); + if (unlikely(!skb)) { + /* + * We need to schedule the posting of buffers to the pegs. + */ + rcv_desc->begin_alloc = index; + DPRINTK(ERR, "netxen_post_rx_buffers_nodb: " + " allocated only %d buffers\n", count); + break; + } count++; /* now there should be no failure */ pdesc = &rcv_desc->desc_head[producer]; - skb_reserve(skb, NET_IP_ALIGN); + skb_reserve(skb, 2); /* * This will be setup when we receive the * buffer after it has been filled @@ -1038,6 +1230,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) buffer->dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size, PCI_DMA_FROMDEVICE); + /* make a rcv descriptor */ pdesc->reference_handle = le16_to_cpu(buffer->ref_handle); pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size); @@ -1062,7 +1255,8 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) writel((producer - 1) & (rcv_desc->max_rx_desc_count - 1), NETXEN_CRB_NORMALIZE(adapter, - rcv_desc_crb-> + recv_crb_registers[0]. + rcv_desc_crb[ringid]. crb_rcv_producer_offset)); wmb(); } @@ -1195,8 +1389,8 @@ netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, switch (data.cmd) { case netxen_nic_cmd_pci_read: - if ((retval = netxen_nic_hw_read_wx(adapter, data.off, - &(data.u), data.size))) + if ((retval = netxen_nic_hw_read_ioctl(adapter, data.off, + &(data.u), data.size))) goto error_out; if (copy_to_user ((void __user *)&(up_data->u), &(data.u), data.size)) { @@ -1209,8 +1403,35 @@ netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, break; case netxen_nic_cmd_pci_write: - data.rv = netxen_nic_hw_write_wx(adapter, data.off, &(data.u), - data.size); + if ((retval = netxen_nic_hw_write_ioctl(adapter, data.off, + &(data.u), data.size))) + goto error_out; + data.rv = 0; + break; + + case netxen_nic_cmd_pci_mem_read: + if (netxen_nic_pci_mem_read_ioctl(adapter, data.off, &(data.u), + data.size)) { + DPRINTK(ERR, "Failed to read the data.\n"); + retval = -EFAULT; + goto error_out; + } + if (copy_to_user + ((void __user *)&(up_data->u), &(data.u), data.size)) { + DPRINTK(ERR, "bad copy to userland: %d\n", + (int)sizeof(data)); + retval = -EFAULT; + goto error_out; + } + data.rv = 0; + break; + + case netxen_nic_cmd_pci_mem_write: + if ((retval = netxen_nic_pci_mem_write_ioctl(adapter, data.off, + &(data.u), + data.size))) + goto error_out; + data.rv = 0; break; case netxen_nic_cmd_pci_config_read: @@ -1295,7 +1516,7 @@ netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, retval = -EOPNOTSUPP; goto error_out; } - put_user(data.rv, (u16 __user *) (&(up_data->rv))); + put_user(data.rv, (&(up_data->rv))); DPRINTK(INFO, "done ioctl for %p well.\n", adapter); error_out: diff --git a/drivers/net/netxen/netxen_nic_ioctl.h b/drivers/net/netxen/netxen_nic_ioctl.h index 8eef139f250..1221fa52755 100644 --- a/drivers/net/netxen/netxen_nic_ioctl.h +++ b/drivers/net/netxen/netxen_nic_ioctl.h @@ -36,7 +36,7 @@ #define NETXEN_NIC_CMD (NETXEN_CMD_START + 1) #define NETXEN_NIC_NAME (NETXEN_CMD_START + 2) #define NETXEN_NIC_NAME_LEN 16 -#define NETXEN_NIC_NAME_RSP "NETXEN" +#define NETXEN_NIC_NAME_RSP "NETXEN-UNM" typedef enum { netxen_nic_cmd_none = 0, diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c index 0f6e7b8b65d..1b45f50fa6a 100644 --- a/drivers/net/netxen/netxen_nic_isr.c +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -68,8 +68,7 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 portno, u32 link) { - struct netxen_port *pport = adapter->port[portno]; - struct net_device *netdev = pport->netdev; + struct net_device *netdev = (adapter->port[portno])->netdev; if (link) netif_carrier_on(netdev); diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 6dbdc8be394..06c4778f520 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -32,6 +32,7 @@ */ #include +#include #include "netxen_nic_hw.h" #include "netxen_nic.h" @@ -48,14 +49,21 @@ MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID); -char netxen_nic_driver_name[] = "netxen"; +char netxen_nic_driver_name[] = "netxen-nic"; static char netxen_nic_driver_string[] = "NetXen Network Driver version " NETXEN_NIC_LINUX_VERSIONID; +struct netxen_adapter *g_adapter = NULL; + #define NETXEN_NETDEV_WEIGHT 120 #define NETXEN_ADAPTER_UP_MAGIC 777 #define NETXEN_NIC_PEG_TUNE 0 +u8 nx_p2_id = NX_P2_C0; + +#define DMA_32BIT_MASK 0x00000000ffffffffULL +#define DMA_35BIT_MASK 0x00000007ffffffffULL + /* Local functions to NetXen NIC driver */ static int __devinit netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); @@ -87,6 +95,9 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = { MODULE_DEVICE_TABLE(pci, netxen_pci_tbl); +struct workqueue_struct *netxen_workq; +static void netxen_watchdog(unsigned long); + /* * netxen_nic_probe() * @@ -105,20 +116,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct net_device *netdev = NULL; struct netxen_adapter *adapter = NULL; struct netxen_port *port = NULL; - u8 *mem_ptr0 = NULL; - u8 *mem_ptr1 = NULL; - u8 *mem_ptr2 = NULL; + void __iomem *mem_ptr0 = NULL; + void __iomem *mem_ptr1 = NULL; + void __iomem *mem_ptr2 = NULL; - unsigned long mem_base, mem_len; + u8 *db_ptr = NULL; + unsigned long mem_base, mem_len, db_base, db_len; int pci_using_dac, i, err; int ring; struct netxen_recv_context *recv_ctx = NULL; struct netxen_rcv_desc_ctx *rcv_desc = NULL; struct netxen_cmd_buffer *cmd_buf_arr = NULL; u64 mac_addr[FLASH_NUM_PORTS + 1]; - int valid_mac; + int valid_mac = 0; + static int netxen_cards_found = 0; printk(KERN_INFO "%s \n", netxen_nic_driver_string); + /* In current scheme, we use only PCI function 0 */ + if (PCI_FUNC(pdev->devfn) != 0) { + DPRINTK(ERR, "NetXen function %d will not be enabled.\n", + PCI_FUNC(pdev->devfn)); + return -ENODEV; + } if ((err = pci_enable_device(pdev))) return err; if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { @@ -130,10 +149,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_disable_pdev; pci_set_master(pdev); - if ((pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) && - (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) == 0)) + pci_read_config_byte(pdev, PCI_REVISION_ID, &nx_p2_id); + if (nx_p2_id == NX_P2_C1 && + (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) && + (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) { pci_using_dac = 1; - else { + } else { if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) || (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) goto err_out_free_res; @@ -153,21 +174,34 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); if ((mem_ptr0 == 0UL) || (mem_ptr1 == 0UL) || (mem_ptr2 == 0UL)) { - DPRINTK(1, ERR, + DPRINTK(ERR, "Cannot remap adapter memory aborting.:" "0 -> %p, 1 -> %p, 2 -> %p\n", mem_ptr0, mem_ptr1, mem_ptr2); err = -EIO; - if (mem_ptr0) - iounmap(mem_ptr0); - if (mem_ptr1) - iounmap(mem_ptr1); - if (mem_ptr2) - iounmap(mem_ptr2); - - goto err_out_free_res; + goto err_out_iounmap; + } + db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ + db_len = pci_resource_len(pdev, 4); + + if (db_len == 0) { + printk(KERN_ERR "%s: doorbell is disabled\n", + netxen_nic_driver_name); + err = -EIO; + goto err_out_iounmap; + } + DPRINTK(INFO, "doorbell ioremap from %lx a size of %lx\n", db_base, + db_len); + + db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); + if (db_ptr == 0UL) { + printk(KERN_ERR "%s: Failed to allocate doorbell map.", + netxen_nic_driver_name); + err = -EIO; + goto err_out_iounmap; } + DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr); /* * Allocate a adapter structure which will manage all the initialization @@ -183,17 +217,24 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netxen_nic_driver_name, (int)sizeof(struct netxen_adapter)); err = -ENOMEM; - goto err_out_iounmap; + goto err_out_dbunmap; } + if (netxen_cards_found == 0) { + g_adapter = adapter; + } adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS; adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS; adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS; + adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS; pci_set_drvdata(pdev, adapter); cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); if (cmd_buf_arr == NULL) { + printk(KERN_ERR + "%s: Could not allocate cmd_buf_arr memory:%d\n", + netxen_nic_driver_name, (int)TX_RINGSIZE); err = -ENOMEM; goto err_out_free_adapter; } @@ -220,11 +261,23 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH; break; + case RCV_RING_LRO: + rcv_desc->max_rx_desc_count = + adapter->max_lro_rx_desc_count; + rcv_desc->flags = RCV_DESC_LRO; + rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN; + rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH; + break; + } rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) vmalloc(RCV_BUFFSIZE); if (rcv_desc->rx_buf_arr == NULL) { + printk(KERN_ERR "%s: Could not allocate" + "rcv_desc->rx_buf_arr memory:%d\n", + netxen_nic_driver_name, + (int)RCV_BUFFSIZE); err = -ENOMEM; goto err_out_free_rx_buffer; } @@ -237,16 +290,17 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->ahw.pci_base0 = mem_ptr0; adapter->ahw.pci_base1 = mem_ptr1; adapter->ahw.pci_base2 = mem_ptr2; + adapter->ahw.db_base = db_ptr; + adapter->ahw.db_len = db_len; spin_lock_init(&adapter->tx_lock); spin_lock_init(&adapter->lock); + netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */ #ifdef CONFIG_IA64 netxen_pinit_from_rom(adapter, 0); udelay(500); netxen_load_firmware(adapter); #endif - /* initialize the buffers in adapter */ - netxen_initialize_adapter_sw(adapter); /* * Set the CRB window to invalid. If any register in window 0 is * accessed it should set the window to 0 and then reset it to 1. @@ -268,7 +322,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) (void (*)(void *))netxen_watchdog_task, adapter); adapter->ahw.pdev = pdev; adapter->proc_cmd_buf_counter = 0; - pci_read_config_byte(pdev, PCI_REVISION_ID, &adapter->ahw.revision_id); + adapter->ahw.revision_id = nx_p2_id; if (pci_enable_msi(pdev)) { adapter->flags &= ~NETXEN_NIC_MSI_ENABLED; @@ -290,6 +344,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_CONSUMER_OFFSET)); writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); + /* do this before waking up pegs so that we have valid dummy dma addr */ + err = netxen_initialize_adapter_offload(adapter); + if (err) { + goto err_out_free_dev; + } + /* Unlock the HW, prompting the boot sequence */ writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE)); @@ -298,6 +358,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); /* initialize the all the ports */ + adapter->active_ports = 0; for (i = 0; i < adapter->ahw.max_ports; i++) { netdev = alloc_etherdev(sizeof(struct netxen_port)); @@ -368,7 +429,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->dev_addr); } } - INIT_WORK(&adapter->tx_timeout_task, + INIT_WORK(adapter->tx_timeout_task + i, (void (*)(void *))netxen_tx_timeout_task, netdev); netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -381,7 +442,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_free_dev; } adapter->port_count++; - adapter->active_ports = 0; adapter->port[i] = port; } @@ -402,6 +462,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } + adapter->number = netxen_cards_found; adapter->driver_mismatch = 0; return 0; @@ -417,6 +478,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } + netxen_free_adapter_offload(adapter); + err_out_free_rx_buffer: for (i = 0; i < MAX_RCV_CTX; ++i) { recv_ctx = &adapter->recv_ctx[i]; @@ -428,19 +491,23 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } } } - vfree(cmd_buf_arr); - kfree(adapter->port); - err_out_free_adapter: pci_set_drvdata(pdev, NULL); kfree(adapter); + err_out_dbunmap: + if (db_ptr) + iounmap(db_ptr); + err_out_iounmap: - iounmap(mem_ptr0); - iounmap(mem_ptr1); - iounmap(mem_ptr2); + if (mem_ptr0) + iounmap(mem_ptr0); + if (mem_ptr1) + iounmap(mem_ptr1); + if (mem_ptr2) + iounmap(mem_ptr2); err_out_free_res: pci_release_regions(pdev); @@ -465,12 +532,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) netxen_nic_stop_all_ports(adapter); /* leave the hw in the same state as reboot */ - netxen_pinit_from_rom(adapter, 0); - udelay(500); netxen_load_firmware(adapter); - - if ((adapter->flags & NETXEN_NIC_MSI_ENABLED)) - netxen_nic_disable_int(adapter); + netxen_free_adapter_offload(adapter); udelay(500); /* Delay for a while to drain the DMA engines */ for (i = 0; i < adapter->port_count; i++) { @@ -487,6 +550,7 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) netxen_free_hw_resources(adapter); + iounmap(adapter->ahw.db_base); iounmap(adapter->ahw.pci_base0); iounmap(adapter->ahw.pci_base1); iounmap(adapter->ahw.pci_base2); @@ -534,6 +598,8 @@ static int netxen_nic_open(struct net_device *netdev) return -EIO; } netxen_nic_flash_print(adapter); + if (adapter->init_niu) + adapter->init_niu(adapter); /* setup all the resources for the Phantom... */ /* this include the descriptors for rcv, tx, and status */ @@ -551,25 +617,24 @@ static int netxen_nic_open(struct net_device *netdev) netxen_free_hw_resources(adapter); return -EIO; } - if (adapter->init_niu) - adapter->init_niu(adapter); for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) netxen_post_rx_buffers(adapter, ctx, ring); } - adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; - } - adapter->active_ports++; - if (adapter->active_ports == 1) { + adapter->irq = adapter->ahw.pdev->irq; err = request_irq(adapter->ahw.pdev->irq, &netxen_intr, SA_SHIRQ | SA_SAMPLE_RANDOM, netdev->name, adapter); if (err) { printk(KERN_ERR "request_irq failed with: %d\n", err); - adapter->active_ports--; + netxen_free_hw_resources(adapter); return err; } - adapter->irq = adapter->ahw.pdev->irq; + + adapter->is_up = NETXEN_ADAPTER_UP_MAGIC; + } + adapter->active_ports++; + if (adapter->active_ports == 1) { if (!adapter->driver_mismatch) mod_timer(&adapter->watchdog_timer, jiffies); @@ -583,6 +648,9 @@ static int netxen_nic_open(struct net_device *netdev) netxen_nic_set_link_parameters(port); netxen_nic_set_multi(netdev); + if (adapter->set_mtu) + adapter->set_mtu(port, netdev->mtu); + if (!adapter->driver_mismatch) netif_start_queue(netdev); @@ -635,6 +703,7 @@ static int netxen_nic_close(struct net_device *netdev) } cmd_buff++; } + FLUSH_SCHEDULED_WORK(); del_timer_sync(&adapter->watchdog_timer); } @@ -655,7 +724,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct cmd_desc_type0 *hwdesc; int k; struct netxen_cmd_buffer *pbuf = NULL; - unsigned int tries = 0; static int dropped_packet = 0; int frag_count; u32 local_producer = 0; @@ -717,7 +785,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if (((skb->nh.iph)->ihl * sizeof(u32)) + ((skb->h.th)->doff * sizeof(u32)) + sizeof(struct ethhdr) > - (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { + (sizeof(struct cmd_desc_type0) - 2)) { no_of_desc++; } } @@ -728,27 +796,17 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if ((k + no_of_desc) >= ((last_cmd_consumer <= k) ? last_cmd_consumer + max_tx_desc_count : last_cmd_consumer)) { + port->stats.nocmddescriptor++; + DPRINTK(ERR, "No command descriptors available," + " producer = %d, consumer = %d count=%llu," + " dropping packet\n", producer, + adapter->last_cmd_consumer, + port->stats.nocmddescriptor); + + netif_stop_queue(netdev); + port->flags |= NETXEN_NETDEV_STATUS; spin_unlock_bh(&adapter->tx_lock); - if (tries == 0) { - local_bh_disable(); - netxen_process_cmd_ring((unsigned long)adapter); - local_bh_enable(); - ++tries; - goto retry_getting_window; - } else { - port->stats.nocmddescriptor++; - DPRINTK(ERR, "No command descriptors available," - " producer = %d, consumer = %d count=%llu," - " dropping packet\n", producer, - adapter->last_cmd_consumer, - port->stats.nocmddescriptor); - - spin_lock_bh(&adapter->tx_lock); - netif_stop_queue(netdev); - port->flags |= NETXEN_NETDEV_STATUS; - spin_unlock_bh(&adapter->tx_lock); - return NETDEV_TX_BUSY; - } + return NETDEV_TX_BUSY; } k = get_index_range(k, max_tx_desc_count, no_of_desc); adapter->cmd_producer = k; @@ -770,7 +828,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) pbuf->mss = 0; hwdesc->mss = 0; } - pbuf->no_of_descriptors = no_of_desc; pbuf->total_length = skb->len; pbuf->skb = skb; pbuf->cmd = TX_ETHER_PKT; @@ -780,11 +837,11 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) buffrag->dma = pci_map_single(port->pdev, skb->data, first_seg_len, PCI_DMA_TODEVICE); buffrag->length = first_seg_len; - CMD_DESC_TOTAL_LENGTH_WRT(hwdesc, skb->len); - hwdesc->num_of_buffers = frag_count; - hwdesc->opcode = TX_ETHER_PKT; + netxen_set_cmd_desc_totallength(hwdesc, skb->len); + netxen_set_cmd_desc_num_of_buff(hwdesc, frag_count); + netxen_set_cmd_desc_opcode(hwdesc, TX_ETHER_PKT); - CMD_DESC_PORT_WRT(hwdesc, port->portnum); + netxen_set_cmd_desc_port(hwdesc, port->portnum); hwdesc->buffer1_length = cpu_to_le16(first_seg_len); hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma); @@ -843,12 +900,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* For LSO, we need to copy the MAC/IP/TCP headers into * the descriptor ring */ - if (hw->cmd_desc_head[saved_producer].opcode == TX_TCP_LSO) { + if (netxen_get_cmd_desc_opcode(&hw->cmd_desc_head[saved_producer]) + == TX_TCP_LSO) { int hdr_len, first_hdr_len, more_hdr; hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length; - if (hdr_len > (sizeof(struct cmd_desc_type0) - NET_IP_ALIGN)) { - first_hdr_len = - sizeof(struct cmd_desc_type0) - NET_IP_ALIGN; + if (hdr_len > (sizeof(struct cmd_desc_type0) - 2)) { + first_hdr_len = sizeof(struct cmd_desc_type0) - 2; more_hdr = 1; } else { first_hdr_len = hdr_len; @@ -858,7 +915,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) hwdesc = &hw->cmd_desc_head[producer]; /* copy the first 64 bytes */ - memcpy(((void *)hwdesc) + NET_IP_ALIGN, + memcpy(((void *)hwdesc) + 2, (void *)(skb->data), first_hdr_len); producer = get_next_index(producer, max_tx_desc_count); @@ -874,7 +931,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } spin_lock_bh(&adapter->tx_lock); port->stats.txbytes += - CMD_DESC_TOTAL_LENGTH(&hw->cmd_desc_head[saved_producer]); + netxen_get_cmd_desc_totallength(&hw->cmd_desc_head[saved_producer]); /* Code to update the adapter considering how many producer threads are currently working */ if ((--adapter->num_threads) == 0) { @@ -884,20 +941,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) NETXEN_CRB_NORMALIZE(adapter, CRB_CMD_PRODUCER_OFFSET)); wmb(); adapter->total_threads = 0; - } else { - u32 crb_producer = 0; - crb_producer = - readl(NETXEN_CRB_NORMALIZE - (adapter, CRB_CMD_PRODUCER_OFFSET)); - if (crb_producer == local_producer) { - crb_producer = get_index_range(crb_producer, - max_tx_desc_count, - no_of_desc); - writel(crb_producer, - NETXEN_CRB_NORMALIZE(adapter, - CRB_CMD_PRODUCER_OFFSET)); - wmb(); - } } port->stats.xmitfinished++; @@ -914,15 +957,20 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) static void netxen_watchdog(unsigned long v) { struct netxen_adapter *adapter = (struct netxen_adapter *)v; - schedule_work(&adapter->watchdog_task); + if (adapter != g_adapter) { + printk("%s: ***BUG*** adapter[%p] != g_adapter[%p]\n", + __FUNCTION__, adapter, g_adapter); + return; + } + + SCHEDULE_WORK(&adapter->watchdog_task); } static void netxen_tx_timeout(struct net_device *netdev) { struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); - struct netxen_adapter *adapter = port->adapter; - schedule_work(&adapter->tx_timeout_task); + SCHEDULE_WORK(port->adapter->tx_timeout_task + port->portnum); } static void netxen_tx_timeout_task(struct net_device *netdev) @@ -953,6 +1001,11 @@ netxen_handle_int(struct netxen_adapter *adapter, struct net_device *netdev) if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { int count = 0; u32 mask; + mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR)); + if ((mask & 0x80) == 0) { + /* not our interrupt */ + return ret; + } netxen_nic_disable_int(adapter); /* Window = 0 or 1 */ do { @@ -1012,7 +1065,10 @@ irqreturn_t netxen_intr(int irq, void *data) netdev = port->netdev; /* process our status queue (for all 4 ports) */ - netxen_handle_int(adapter, netdev); + if (netif_running(netdev)) { + netxen_handle_int(adapter, netdev); + break; + } } return IRQ_HANDLED; @@ -1054,11 +1110,11 @@ static int netxen_nic_poll(struct net_device *netdev, int *budget) netdev->quota -= work_done; *budget -= work_done; - if (work_done >= work_to_do - && netxen_nic_rx_has_work(adapter) != 0) + if (work_done >= work_to_do && netxen_nic_rx_has_work(adapter) != 0) done = 0; - netxen_process_cmd_ring((unsigned long)adapter); + if (netxen_process_cmd_ring((unsigned long)adapter) == 0) + done = 0; DPRINTK(INFO, "new work_done: %d work_to_do: %d\n", work_done, work_to_do); @@ -1104,8 +1160,9 @@ netxen_nic_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) if (ifr->ifr_data) { sprintf(dev_name, "%s-%d", NETXEN_NIC_NAME_RSP, port->portnum); - nr_bytes = copy_to_user((char *)ifr->ifr_data, dev_name, - NETXEN_NIC_NAME_LEN); + nr_bytes = + copy_to_user((char __user *)ifr->ifr_data, dev_name, + NETXEN_NIC_NAME_LEN); if (nr_bytes) err = -EIO; @@ -1132,6 +1189,9 @@ static struct pci_driver netxen_driver = { static int __init netxen_init_module(void) { + if ((netxen_workq = create_singlethread_workqueue("netxen")) == 0) + return -ENOMEM; + return pci_module_init(&netxen_driver); } @@ -1142,7 +1202,7 @@ static void __exit netxen_exit_module(void) /* * Wait for some time to allow the dma to drain, if any. */ - mdelay(5); + destroy_workqueue(netxen_workq); pci_unregister_driver(&netxen_driver); } diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c index ff74f1e413d..4987dc765d9 100644 --- a/drivers/net/netxen/netxen_nic_niu.c +++ b/drivers/net/netxen/netxen_nic_niu.c @@ -40,13 +40,15 @@ static long phy_lock_timeout = 100000000; -static inline int phy_lock(void) +static inline int phy_lock(struct netxen_adapter *adapter) { int i; int done = 0, timeout = 0; while (!done) { - done = readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_LOCK)); + done = + readl(pci_base_offset + (adapter, NETXEN_PCIE_REG(PCIE_SEM3_LOCK))); if (done == 1) break; if (timeout >= phy_lock_timeout) { @@ -61,13 +63,15 @@ static inline int phy_lock(void) } } - writel(NETXEN_PHY_LOCK_ID, (void __iomem *)PHY_LOCK_DRIVER); + writel(PHY_LOCK_DRIVER, + NETXEN_CRB_NORMALIZE(adapter, NETXEN_PHY_LOCK_ID)); return 0; } -static inline int phy_unlock(void) +static inline int phy_unlock(struct netxen_adapter *adapter) { - readl((void __iomem *)NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)); + readl(pci_base_offset(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK))); + return 0; } @@ -95,7 +99,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, __le32 status; __le32 mac_cfg0; - if (phy_lock() != 0) { + if (phy_lock(adapter) != 0) { return -1; } @@ -162,7 +166,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, NETXEN_NIU_GB_MAC_CONFIG_0(0), &mac_cfg0, 4)) return -EIO; - phy_unlock(); + phy_unlock(adapter); return result; } @@ -612,7 +616,7 @@ int netxen_niu_macaddr_set(struct netxen_port *port, __le32 temp = 0; struct netxen_adapter *adapter = port->adapter; int phy = port->portnum; - unsigned char mac_addr[MAX_ADDR_LEN]; + unsigned char mac_addr[6]; int i; for (i = 0; i < 10; i++) { @@ -631,7 +635,7 @@ int netxen_niu_macaddr_set(struct netxen_port *port, netxen_niu_macaddr_get(adapter, phy, (netxen_ethernet_macaddr_t *) mac_addr); - if (memcmp(mac_addr, addr, MAX_ADDR_LEN == 0)) + if (memcmp(mac_addr, addr, 6) == 0) break; } diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h index 8181d436783..7879f855af0 100644 --- a/drivers/net/netxen/netxen_nic_phan_reg.h +++ b/drivers/net/netxen/netxen_nic_phan_reg.h @@ -33,15 +33,74 @@ /* * CRB Registers or queue message done only at initialization time. */ +#define NIC_CRB_BASE NETXEN_CAM_RAM(0x200) +#define NETXEN_NIC_REG(X) (NIC_CRB_BASE+(X)) -/* - * The following 2 are the base adresses for the CRB registers and their - * offsets will be added to get addresses for the index addresses. - */ -#define NIC_CRB_BASE_PORT1 NETXEN_CAM_RAM(0x200) -#define NIC_CRB_BASE_PORT2 NETXEN_CAM_RAM(0x250) +#define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00) +#define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04) +#define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08) +#define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c) +#define CRB_PAUSE_ADDR_LO NETXEN_NIC_REG(0x10) /* C0 EPG BUG */ +#define CRB_PAUSE_ADDR_HI NETXEN_NIC_REG(0x14) +#define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x18) /* host add:cmd ring */ +#define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x1c) +#define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x20) /* 4 regs for perf */ +#define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x24) +#define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x28) +#define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x2c) +#define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x30) /* phantom init status */ +#define CRB_MMAP_ADDR_3 NETXEN_NIC_REG(0x34) +#define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x38) +#define CRB_HOST_DUMMY_BUF_ADDR_HI NETXEN_NIC_REG(0x3c) +#define CRB_HOST_DUMMY_BUF_ADDR_LO NETXEN_NIC_REG(0x40) +#define CRB_MMAP_ADDR_0 NETXEN_NIC_REG(0x44) +#define CRB_MMAP_ADDR_1 NETXEN_NIC_REG(0x48) +#define CRB_MMAP_ADDR_2 NETXEN_NIC_REG(0x4c) +#define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50) +#define CRB_MMAP_SIZE_0 NETXEN_NIC_REG(0x54) +#define CRB_MMAP_SIZE_1 NETXEN_NIC_REG(0x58) +#define CRB_MMAP_SIZE_2 NETXEN_NIC_REG(0x5c) +#define CRB_MMAP_SIZE_3 NETXEN_NIC_REG(0x60) +#define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x64) /* interrupt coalescing */ +#define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x68) +#define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x6c) +#define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x70) +#define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x74) +#define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x78) +#define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x7c) +#define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x80) +#define CRB_RX_LRO_TIMER NETXEN_NIC_REG(0x84) +#define CRB_RX_LRO_MID_TIMER NETXEN_NIC_REG(0x88) +#define CRB_DMA_MAX_RCV_BUFS NETXEN_NIC_REG(0x8c) +#define CRB_MAX_DMA_ENTRIES NETXEN_NIC_REG(0x90) +#define CRB_XG_STATE NETXEN_NIC_REG(0x94) /* XG Link status */ +#define CRB_AGENT_GO NETXEN_NIC_REG(0x98) /* NIC pkt gen agent */ +#define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0x9c) +#define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xa0) +#define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xa4) +#define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xa8) +#define CRB_TX_STATE NETXEN_NIC_REG(0xac) /* Debug -performance */ +#define CRB_TX_COUNT NETXEN_NIC_REG(0xb0) +#define CRB_RX_STATE NETXEN_NIC_REG(0xb4) +#define CRB_RX_PERF_DEBUG_1 NETXEN_NIC_REG(0xb8) +#define CRB_RX_LRO_CONTROL NETXEN_NIC_REG(0xbc) /* LRO On/OFF */ +#define CRB_RX_LRO_START_NUM NETXEN_NIC_REG(0xc0) +#define CRB_MPORT_MODE NETXEN_NIC_REG(0xc4) /* Multiport Mode */ +#define CRB_CMD_RING_SIZE NETXEN_NIC_REG(0xc8) +#define CRB_INT_VECTOR NETXEN_NIC_REG(0xd4) +#define CRB_CTX_RESET NETXEN_NIC_REG(0xd8) +#define CRB_HOST_STS_PROD NETXEN_NIC_REG(0xdc) +#define CRB_HOST_STS_CONS NETXEN_NIC_REG(0xe0) +#define CRB_PEG_CMD_PROD NETXEN_NIC_REG(0xe4) +#define CRB_PEG_CMD_CONS NETXEN_NIC_REG(0xe8) +#define CRB_HOST_BUFFER_PROD NETXEN_NIC_REG(0xec) +#define CRB_HOST_BUFFER_CONS NETXEN_NIC_REG(0xf0) +#define CRB_JUMBO_BUFFER_PROD NETXEN_NIC_REG(0xf4) +#define CRB_JUMBO_BUFFER_CONS NETXEN_NIC_REG(0xf8) -#define NETXEN_NIC_REG(X) (NIC_CRB_BASE_PORT1+(X)) +#define CRB_CMD_PRODUCER_OFFSET_1 NETXEN_NIC_REG(0x1ac) +#define CRB_CMD_CONSUMER_OFFSET_1 NETXEN_NIC_REG(0x1b0) +#define CRB_TEMP_STATE NETXEN_NIC_REG(0x1b4) /* * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address @@ -51,74 +110,20 @@ * on the Phantom. */ -#define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00) -#define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04) - -/* point to the indexes */ -#define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08) -#define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c) - -#define CRB_PAUSE_ADDR_LO NETXEN_NIC_REG(0x10) -#define CRB_PAUSE_ADDR_HI NETXEN_NIC_REG(0x14) - -/* address of command descriptors in the host memory */ -#define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30) -#define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34) - -/* The following 4 CRB registers are for doing performance coal */ -#define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x38) -#define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x3c) -#define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x40) -#define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x44) - -/* Needed by the host to find out the state of Phantom's initialization */ -#define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x4c) -#define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50) -#define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x54) - -/* Interrupt coalescing parameters */ -#define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x80) -#define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x84) -#define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x88) -#define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x8c) -#define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x90) -#define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94) -#define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98) -#define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c) -#define CRB_INT_THRESH NETXEN_NIC_REG(0xa4) - -/* Register for communicating XG link status */ -#define CRB_XG_STATE NETXEN_NIC_REG(0xa0) - -/* Register for communicating card temperature */ -/* Upper 16 bits are temperature value. Lower 16 bits are the state */ -#define CRB_TEMP_STATE NETXEN_NIC_REG(0xa8) -#define nx_get_temp_val(x) ((x) >> 16) -#define nx_get_temp_state(x) ((x) & 0xffff) -#define nx_encode_temp(val, state) (((val) << 16) | (state)) - -/* Debug registers for controlling NIC pkt gen agent */ -#define CRB_AGENT_GO NETXEN_NIC_REG(0xb0) -#define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4) -#define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xb8) -#define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xbc) -#define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xc0) - -/* Debug registers for observing NIC performance */ -#define CRB_TX_STATE NETXEN_NIC_REG(0xd0) -#define CRB_TX_COUNT NETXEN_NIC_REG(0xd4) -#define CRB_RX_STATE NETXEN_NIC_REG(0xd8) +#define nx_get_temp_val(x) ((x) >> 16) +#define nx_get_temp_state(x) ((x) & 0xffff) +#define nx_encode_temp(val, state) (((val) << 16) | (state)) /* CRB registers per Rcv Descriptor ring */ struct netxen_rcv_desc_crb { u32 crb_rcv_producer_offset __attribute__ ((aligned(512))); u32 crb_rcv_consumer_offset; u32 crb_globalrcv_ring; + u32 crb_rcv_ring_size; }; /* - * CRB registers used by the receive peg logic. One instance of these - * needs to be instantiated per instance of the receive peg. + * CRB registers used by the receive peg logic. */ struct netxen_recv_crb { @@ -127,6 +132,7 @@ struct netxen_recv_crb { u32 crb_rcv_status_producer; u32 crb_rcv_status_consumer; u32 crb_rcvpeg_state; + u32 crb_status_ring_size; }; #if defined(DEFINE_GLOBAL_RECV_CRB) @@ -139,30 +145,48 @@ struct netxen_recv_crb recv_crb_registers[] = { { { /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x18), + NETXEN_NIC_REG(0x100), /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x1c), + NETXEN_NIC_REG(0x104), /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x20), + NETXEN_NIC_REG(0x108), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x10c), + }, /* Jumbo frames */ { /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x100), + NETXEN_NIC_REG(0x110), /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x104), + NETXEN_NIC_REG(0x114), /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x108), + NETXEN_NIC_REG(0x118), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x11c), + }, + /* LRO */ + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x120), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x124), + /* crb_gloablrcv_ring: */ + NETXEN_NIC_REG(0x128), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x12c), } }, /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x24), + NETXEN_NIC_REG(0x130), /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x28), + NETXEN_NIC_REG(0x134), /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x2c), + NETXEN_NIC_REG(0x138), /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x48), + NETXEN_NIC_REG(0x13c), + /* crb_status_ring_size */ + NETXEN_NIC_REG(0x140), }, /* @@ -173,34 +197,66 @@ struct netxen_recv_crb recv_crb_registers[] = { { { /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x80), + NETXEN_NIC_REG(0x144), /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x84), + NETXEN_NIC_REG(0x148), /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x88), + NETXEN_NIC_REG(0x14c), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x150), + }, /* Jumbo frames */ { /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x10C), + NETXEN_NIC_REG(0x154), /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x110), + NETXEN_NIC_REG(0x158), /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x114), + NETXEN_NIC_REG(0x15c), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x160), + }, + /* LRO */ + { + /* crb_rcv_producer_offset: */ + NETXEN_NIC_REG(0x164), + /* crb_rcv_consumer_offset: */ + NETXEN_NIC_REG(0x168), + /* crb_globalrcv_ring: */ + NETXEN_NIC_REG(0x16c), + /* crb_rcv_ring_size */ + NETXEN_NIC_REG(0x170), } + }, /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x8c), + NETXEN_NIC_REG(0x174), /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x90), + NETXEN_NIC_REG(0x178), /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x94), + NETXEN_NIC_REG(0x17c), /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x98), + NETXEN_NIC_REG(0x180), + /* crb_status_ring_size */ + NETXEN_NIC_REG(0x184), + }, }; + +u64 ctx_addr_sig_regs[][3] = { + {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)}, + {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)}, + {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)}, + {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)} +}; + #else extern struct netxen_recv_crb recv_crb_registers[]; +extern u64 ctx_addr_sig_regs[][3]; +#define CRB_CTX_ADDR_REG_LO (ctx_addr_sig_regs[0][0]) +#define CRB_CTX_ADDR_REG_HI (ctx_addr_sig_regs[0][2]) +#define CRB_CTX_SIGNATURE_REG (ctx_addr_sig_regs[0][1]) #endif /* DEFINE_GLOBAL_RECEIVE_CRB */ /* -- cgit v1.2.3 From bf4e18294ff9b1cee3c71b0d9ad161dc304b7b82 Mon Sep 17 00:00:00 2001 From: Matt Reimer Date: Thu, 26 Oct 2006 15:56:00 -0700 Subject: [PATCH] pcmcia: Add an id to ide-cs.c Add an ID entry for: product info: "TRANSCEND", "TS1GCF80", "", "" manfid: 0x000a, 0x0000 function: 4 (fixed disk) Signed-off-by: Matt Reimer Signed-off-by: Dominik Brodowski --- drivers/ata/pata_pcmcia.c | 1 + drivers/ide/legacy/ide-cs.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 4ca6fa5dcb4..f6f093da08a 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -356,6 +356,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index bef4759f70e..8b04ed490db 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -408,6 +408,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), -- cgit v1.2.3 From 0517793fa8f98e6f30406b1811ea0312bca3a414 Mon Sep 17 00:00:00 2001 From: Marcin Juszkiewicz Date: Mon, 30 Oct 2006 22:28:09 +0100 Subject: [PATCH] pcmcia: yet another IDE ID Microdrive reported by one of OpenEmbedded developers. product info: "WEIDA", "TWTTI", "" manfid: 0x000a, 0x0000 function: 4 (fixed disk) (equivalent update to pata_pcmcia.c by Dominik Brodowski) Signed-off-by: Marcin Juszkiewicz Signed-off-by: Dominik Brodowski --- drivers/ata/pata_pcmcia.c | 1 + drivers/ide/legacy/ide-cs.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index f6f093da08a..3ce33bfdccc 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -359,6 +359,7 @@ static struct pcmcia_device_id pcmcia_devices[] = { PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), + PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 8b04ed490db..7e8d778dcb8 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -411,6 +411,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), + PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), -- cgit v1.2.3 From 5eb5fc97d83ee1f8fcf3490bb81ad14a99fc544c Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Tue, 17 Oct 2006 15:25:59 +0900 Subject: [PATCH] cm4000_cs: fix return value check The return value of class_create() need to be checked with IS_ERR(). And register_chrdev() returns errno on failure. This patch includes these fixes for cm4000_cs and cm4040_cs. Signed-off-by: Akinbou Mita Signed-off-by: Harald Welte Signed-off-by: Dominik Brodowski --- drivers/char/pcmcia/cm4000_cs.c | 6 +++--- drivers/char/pcmcia/cm4040_cs.c | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 50d20aafeb1..d9fdef22791 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1973,14 +1973,14 @@ static int __init cmm_init(void) printk(KERN_INFO "%s\n", version); cmm_class = class_create(THIS_MODULE, "cardman_4000"); - if (!cmm_class) - return -1; + if (IS_ERR(cmm_class)) + return PTR_ERR(cmm_class); major = register_chrdev(0, DEVICE_NAME, &cm4000_fops); if (major < 0) { printk(KERN_WARNING MODULE_NAME ": could not get major number\n"); - return -1; + return major; } rc = pcmcia_register_driver(&cm4000_driver); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 55cf4be4297..7368332c698 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -721,14 +721,14 @@ static int __init cm4040_init(void) printk(KERN_INFO "%s\n", version); cmx_class = class_create(THIS_MODULE, "cardman_4040"); - if (!cmx_class) - return -1; + if (IS_ERR(cmx_class)) + return PTR_ERR(cmx_class); major = register_chrdev(0, DEVICE_NAME, &reader_fops); if (major < 0) { printk(KERN_WARNING MODULE_NAME ": could not get major number\n"); - return -1; + return major; } rc = pcmcia_register_driver(&reader_driver); -- cgit v1.2.3 From 4ae1cbf17d14ba6fd316a94b290ea4e741cba15c Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 3 Nov 2006 10:54:00 -0500 Subject: [PATCH] pcmcia: start over after CIS override When overriding the CIS, re-start the configuration of the card from scratch. Reported and debugged by Fabrice Bellet Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cs_internal.h | 2 +- drivers/pcmcia/ds.c | 12 ++++++++---- drivers/pcmcia/socket_sysfs.c | 4 ++-- 3 files changed, 11 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index d6164cd583f..f573ea04db6 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -135,7 +135,7 @@ int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_s struct pcmcia_callback{ struct module *owner; int (*event) (struct pcmcia_socket *s, event_t event, int priority); - void (*requery) (struct pcmcia_socket *s); + void (*requery) (struct pcmcia_socket *s, int new_cis); int (*suspend) (struct pcmcia_socket *s); int (*resume) (struct pcmcia_socket *s); }; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 21d83a895b2..7f6e94cd067 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -714,22 +714,26 @@ static int pcmcia_requery(struct device *dev, void * _data) return 0; } -static void pcmcia_bus_rescan(struct pcmcia_socket *skt) +static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis) { - int no_devices=0; + int no_devices = 0; int ret = 0; unsigned long flags; /* must be called with skt_mutex held */ spin_lock_irqsave(&pcmcia_dev_list_lock, flags); if (list_empty(&skt->devices_list)) - no_devices=1; + no_devices = 1; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + /* If this is because of a CIS override, start over */ + if (new_cis && !no_devices) + pcmcia_card_remove(skt, NULL); + /* if no devices were added for this socket yet because of * missing resource information or other trouble, we need to * do this now. */ - if (no_devices) { + if (no_devices || new_cis) { ret = pcmcia_card_add(skt); if (ret) return; diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 933cd864a5c..b005602d6b5 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -188,7 +188,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { - s->callback->requery(s); + s->callback->requery(s, 0); module_put(s->callback->owner); } } @@ -325,7 +325,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { - s->callback->requery(s); + s->callback->requery(s, 1); module_put(s->callback->owner); } } -- cgit v1.2.3 From 3e022d0c77e159a59d3ebfc44ad76a05202c2a6b Mon Sep 17 00:00:00 2001 From: Komuro Date: Sat, 4 Nov 2006 10:00:47 +0900 Subject: [PATCH] pcmcia: allow shared IRQs on pd6729 sockets Use IRQF_PROBE_SHARED flag for request_irq() to find an unused interrupt for PCMCIA cards. Signed-off-by: Komuro Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pd6729.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index a70f97fdbbd..360c2489654 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -581,10 +581,10 @@ static irqreturn_t pd6729_test(int irq, void *dev) return IRQ_HANDLED; } -static int pd6729_check_irq(int irq, int flags) +static int pd6729_check_irq(int irq) { - if (request_irq(irq, pd6729_test, flags, "x", pd6729_test) != 0) - return -1; + if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test) + != 0) return -1; free_irq(irq, pd6729_test); return 0; } @@ -610,7 +610,7 @@ static u_int __devinit pd6729_isa_scan(void) /* just find interrupts that aren't in use */ for (i = 0; i < 16; i++) - if ((mask0 & (1 << i)) && (pd6729_check_irq(i, 0) == 0)) + if ((mask0 & (1 << i)) && (pd6729_check_irq(i) == 0)) mask |= (1 << i); printk(KERN_INFO "pd6729: ISA irqs = "); -- cgit v1.2.3 From 1d2c90425d5b0dcbf4a0fab2053d5087758b76a0 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Mon, 6 Nov 2006 21:52:16 -0500 Subject: [PATCH] pcmcia: multifunction card handling fixes s->functions needs to be initialized earlier, for the "let's see how high it increases" approach means that pcmcia_request_irq() (which makes use of this value) is confused, and might request an exclusive IRQ first even though it is not supposed to. Also, a CIS override autoloaded using the firmware loader may allow for the use of more or less functions in a multifunction card. Therefore, we may need to schedule a call to add this second function later on, or simply remove the other function (it's always the first -valid- function which reaches this codepath). Many thanks to Fabrice Bellet for debugging and testing patches. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 153 +++++++++++++++++++++++++++++----------------------- 1 file changed, 87 insertions(+), 66 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 7f6e94cd067..da7ceb523b4 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -231,65 +231,6 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) } -#ifdef CONFIG_PCMCIA_LOAD_CIS - -/** - * pcmcia_load_firmware - load CIS from userspace if device-provided is broken - * @dev - the pcmcia device which needs a CIS override - * @filename - requested filename in /lib/firmware/ - * - * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if - * the one provided by the card is broken. The firmware files reside in - * /lib/firmware/ in userspace. - */ -static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) -{ - struct pcmcia_socket *s = dev->socket; - const struct firmware *fw; - char path[20]; - int ret=-ENOMEM; - cisdump_t *cis; - - if (!filename) - return -EINVAL; - - ds_dbg(1, "trying to load firmware %s\n", filename); - - if (strlen(filename) > 14) - return -EINVAL; - - snprintf(path, 20, "%s", filename); - - if (request_firmware(&fw, path, &dev->dev) == 0) { - if (fw->size >= CISTPL_MAX_CIS_SIZE) - goto release; - - cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); - if (!cis) - goto release; - - cis->Length = fw->size + 1; - memcpy(cis->Data, fw->data, fw->size); - - if (!pcmcia_replace_cis(s, cis)) - ret = 0; - } - release: - release_firmware(fw); - - return (ret); -} - -#else /* !CONFIG_PCMCIA_LOAD_CIS */ - -static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) -{ - return -ENODEV; -} - -#endif - - /*======================================================================*/ @@ -356,10 +297,11 @@ static void pcmcia_release_dev(struct device *dev) kfree(p_dev); } -static void pcmcia_add_pseudo_device(struct pcmcia_socket *s) +static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc) { if (!s->pcmcia_state.device_add_pending) { s->pcmcia_state.device_add_pending = 1; + s->pcmcia_state.mfc_pfc = mfc; schedule_work(&s->device_add); } return; @@ -400,7 +342,7 @@ static int pcmcia_device_probe(struct device * dev) did = p_dev->dev.driver_data; if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) - pcmcia_add_pseudo_device(p_dev->socket); + pcmcia_add_device_later(p_dev->socket, 0); put_module: if (ret) @@ -598,8 +540,6 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f p_dev->socket = s; p_dev->device_no = (s->device_count++); p_dev->func = function; - if (s->functions <= function) - s->functions = function + 1; p_dev->dev.bus = &pcmcia_bus_type; p_dev->dev.parent = s->dev.dev; @@ -690,6 +630,7 @@ static int pcmcia_card_add(struct pcmcia_socket *s) no_funcs = mfc.nfn; else no_funcs = 1; + s->functions = no_funcs; for (i=0; i < no_funcs; i++) pcmcia_device_add(s, i); @@ -698,11 +639,12 @@ static int pcmcia_card_add(struct pcmcia_socket *s) } -static void pcmcia_delayed_add_pseudo_device(void *data) +static void pcmcia_delayed_add_device(void *data) { struct pcmcia_socket *s = data; - pcmcia_device_add(s, 0); + pcmcia_device_add(s, s->pcmcia_state.mfc_pfc); s->pcmcia_state.device_add_pending = 0; + s->pcmcia_state.mfc_pfc = 0; } static int pcmcia_requery(struct device *dev, void * _data) @@ -751,6 +693,85 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis) printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n"); } +#ifdef CONFIG_PCMCIA_LOAD_CIS + +/** + * pcmcia_load_firmware - load CIS from userspace if device-provided is broken + * @dev - the pcmcia device which needs a CIS override + * @filename - requested filename in /lib/firmware/ + * + * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if + * the one provided by the card is broken. The firmware files reside in + * /lib/firmware/ in userspace. + */ +static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) +{ + struct pcmcia_socket *s = dev->socket; + const struct firmware *fw; + char path[20]; + int ret = -ENOMEM; + int no_funcs; + int old_funcs; + cisdump_t *cis; + cistpl_longlink_mfc_t mfc; + + if (!filename) + return -EINVAL; + + ds_dbg(1, "trying to load firmware %s\n", filename); + + if (strlen(filename) > 14) + return -EINVAL; + + snprintf(path, 20, "%s", filename); + + if (request_firmware(&fw, path, &dev->dev) == 0) { + if (fw->size >= CISTPL_MAX_CIS_SIZE) + goto release; + + cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); + if (!cis) + goto release; + + cis->Length = fw->size + 1; + memcpy(cis->Data, fw->data, fw->size); + + if (!pcmcia_replace_cis(s, cis)) + ret = 0; + + /* update information */ + pcmcia_device_query(dev); + + /* does this cis override add or remove functions? */ + old_funcs = s->functions; + + if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc)) + no_funcs = mfc.nfn; + else + no_funcs = 1; + s->functions = no_funcs; + + if (old_funcs > no_funcs) + pcmcia_card_remove(s, dev); + else if (no_funcs > old_funcs) + pcmcia_add_device_later(s, 1); + } + release: + release_firmware(fw); + + return (ret); +} + +#else /* !CONFIG_PCMCIA_LOAD_CIS */ + +static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) +{ + return -ENODEV; +} + +#endif + + static inline int pcmcia_devmatch(struct pcmcia_device *dev, struct pcmcia_device_id *did) { @@ -1250,7 +1271,7 @@ static int __devinit pcmcia_bus_add_socket(struct class_device *class_dev, init_waitqueue_head(&socket->queue); #endif INIT_LIST_HEAD(&socket->devices_list); - INIT_WORK(&socket->device_add, pcmcia_delayed_add_pseudo_device, socket); + INIT_WORK(&socket->device_add, pcmcia_delayed_add_device, socket); memset(&socket->pcmcia_state, 0, sizeof(u8)); socket->device_count = 0; -- cgit v1.2.3 From 9374074f9b8bfe15bd5860019d07d967507c2bb6 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 19 Nov 2006 11:21:27 -0500 Subject: [PATCH] pcmcia: handle __copy_from_user() return value in ioctl Handle __copy_from_user() return value. drivers/pcmcia/pcmcia_ioctl.c:597: warning: ignoring return value of '__copy_from_user', declared with attribute warn_unused_result Noticed and first fix by Randy Dunlap. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/pcmcia_ioctl.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 310ede575ca..d077870c673 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -594,7 +594,12 @@ static int ds_ioctl(struct inode * inode, struct file * file, err = ret = 0; - if (cmd & IOC_IN) __copy_from_user((char *)buf, uarg, size); + if (cmd & IOC_IN) { + if (__copy_from_user((char *)buf, uarg, size)) { + err = -EFAULT; + goto free_out; + } + } switch (cmd) { case DS_ADJUST_RESOURCE_INFO: -- cgit v1.2.3 From 6cf5be5112ecc5b0bded73bd2a64c1d46e4f6b8c Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Mon, 27 Nov 2006 21:03:48 -0500 Subject: [PATCH] pcmcia: allow for four multifunction subdevices Some Elan serial cards allow for four (independent) multifunction subdevices. Teach the PCMCIA core to deal with such devices. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index da7ceb523b4..6572b3850e5 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -529,8 +529,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f mutex_lock(&device_add_lock); - /* max of 2 devices per card */ - if (s->device_count == 2) + /* max of 4 devices per card */ + if (s->device_count == 4) goto err_put; p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL); -- cgit v1.2.3 From 44e5e33e99e1b955ac6f0bb26abd9380629b48a9 Mon Sep 17 00:00:00 2001 From: Tony Olech Date: Wed, 29 Nov 2006 08:54:51 +0000 Subject: [PATCH] pcmcia: IDs for Elan serial PCMCIA devcies Add IDs for Elan serial PCMCIA devices. In addition, move the pdaudio_cf driver from matching based on manf_id and card_id to the more specific prod_id1 and prod_id2 to avoid false positives. Signed-off-by: Tony Olech Signed-off-by: Dominik Brodowski --- drivers/parport/parport_cs.c | 1 + drivers/serial/serial_cs.c | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) (limited to 'drivers') diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c index b953d5907c0..fb80fed0da0 100644 --- a/drivers/parport/parport_cs.c +++ b/drivers/parport/parport_cs.c @@ -263,6 +263,7 @@ void parport_cs_release(struct pcmcia_device *link) static struct pcmcia_device_id parport_ids[] = { PCMCIA_DEVICE_FUNC_ID(3), + PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc), PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0003), PCMCIA_DEVICE_NULL }; diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 00f9ffd6948..783b0c5f887 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -925,6 +925,30 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "RS-COM-2P.cis"), PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "GLOBETROTTER.cis"), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100 1.00.",0x19ca78af,0xf964f42b), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100",0x19ca78af,0x71d98e83), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232 1.00.",0x19ca78af,0x69fb7490), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232",0x19ca78af,0xb6bc0235), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232",0x63f2e0bd,0xb9e175d3), + PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232-5",0x63f2e0bd,0xfce33442), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232",0x3beb8cf2,0x171e7190), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232-5",0x3beb8cf2,0x20da4262), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF428",0x3beb8cf2,0xea5dd57d), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF500",0x3beb8cf2,0xd77255fa), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: IC232",0x3beb8cf2,0x6a709903), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: SL232",0x3beb8cf2,0x18430676), + PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: XL232",0x3beb8cf2,0x6f933767), + PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7), + PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41), + PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029), + PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc), + PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7), + PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41), + PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029), + PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(2,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), + PCMCIA_MFC_DEVICE_PROD_ID12(3,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4), /* too generic */ /* PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0160, 0x0002), */ /* PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0160, 0x0002), */ -- cgit v1.2.3 From efd50585e2ff9bd60e044fda7764d323010a7fe4 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Wed, 25 Oct 2006 21:28:53 -0400 Subject: [PATCH] pcmcia: remove manf_id and card_id indirection As we read out the manufactor and card_id from the PCMCIA device in the PCMCIA core, and device drivers can access those reliably in struct pcmcia_device's fields manf_id and card_id, remove additional (and partly broken) manf_id and card_id detection logic from PCMCIA device drivers. Signed-off-by: Dominik Brodowski --- drivers/ata/pata_pcmcia.c | 6 +++--- drivers/ide/legacy/ide-cs.c | 10 +++------- drivers/net/pcmcia/3c589_cs.c | 12 ++++-------- drivers/net/pcmcia/fmvj18x_cs.c | 26 ++++++++------------------ drivers/net/pcmcia/pcnet_cs.c | 22 +++++++--------------- drivers/net/pcmcia/smc91c92_cs.c | 8 ++------ drivers/net/wireless/hostap/hostap_cs.c | 7 ++----- drivers/scsi/pcmcia/qlogic_stub.c | 4 +--- drivers/scsi/pcmcia/sym53c500_cs.c | 5 +---- drivers/serial/serial_cs.c | 30 ++++++++++++++---------------- 10 files changed, 45 insertions(+), 85 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 3ce33bfdccc..da7c218c9cc 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -164,9 +164,9 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) /* See if we have a manufacturer identifier. Use it to set is_kme for vendor quirks */ - tuple.DesiredTuple = CISTPL_MANFID; - if (!pcmcia_get_first_tuple(pdev, &tuple) && !pcmcia_get_tuple_data(pdev, &tuple) && !pcmcia_parse_tuple(pdev, &tuple, &stk->parse)) - is_kme = ((stk->parse.manfid.manf == MANFID_KME) && ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); + is_kme = ((pdev->manf_id == MANFID_KME) && + ((pdev->card_id == PRODID_KME_KXLC005_A) || + (pdev->card_id == PRODID_KME_KXLC005_B))); /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf)); diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 7e8d778dcb8..1b996e62a40 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -199,13 +199,9 @@ static int ide_config(struct pcmcia_device *link) link->conf.ConfigBase = stk->parse.config.base; link->conf.Present = stk->parse.config.rmask[0]; - tuple.DesiredTuple = CISTPL_MANFID; - if (!pcmcia_get_first_tuple(link, &tuple) && - !pcmcia_get_tuple_data(link, &tuple) && - !pcmcia_parse_tuple(link, &tuple, &stk->parse)) - is_kme = ((stk->parse.manfid.manf == MANFID_KME) && - ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || - (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); + is_kme = ((link->manf_id == MANFID_KME) && + ((link->card_id == PRODID_KME_KXLC005_A) || + (link->card_id == PRODID_KME_KXLC005_B))); /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf)); diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 231fa2c9ec6..eb578329448 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -272,17 +272,13 @@ static int tc589_config(struct pcmcia_device *link) CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Is this a 3c562? */ - tuple.DesiredTuple = CISTPL_MANFID; tuple.Attributes = TUPLE_RETURN_COMMON; - if ((pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) && - (pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS)) { - if (le16_to_cpu(buf[0]) != MANFID_3COM) + + /* Is this a 3c562? */ + if (link->manf_id != MANFID_3COM) printk(KERN_INFO "3c589_cs: hmmm, is this really a " "3Com card??\n"); - multi = (le16_to_cpu(buf[1]) == PRODID_3COM_3C562); - } + multi = (link->card_id == PRODID_3COM_3C562); /* For the 3c562, the base address must be xx00-xx7f */ link->io.IOAddrLines = 16; diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 65f6fdf4372..e3731fd1560 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -374,17 +374,12 @@ static int fmvj18x_config(struct pcmcia_device *link) CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigIndex = parse.cftable_entry.index; - tuple.DesiredTuple = CISTPL_MANFID; - if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - else - buf[0] = 0xffff; - switch (le16_to_cpu(buf[0])) { + switch (link->manf_id) { case MANFID_TDK: cardtype = TDK; - if (le16_to_cpu(buf[1]) == PRODID_TDK_GN3410 - || le16_to_cpu(buf[1]) == PRODID_TDK_NP9610 - || le16_to_cpu(buf[1]) == PRODID_TDK_MN3200) { + if (link->card_id == PRODID_TDK_GN3410 + || link->card_id == PRODID_TDK_NP9610 + || link->card_id == PRODID_TDK_MN3200) { /* MultiFunction Card */ link->conf.ConfigBase = 0x800; link->conf.ConfigIndex = 0x47; @@ -395,11 +390,11 @@ static int fmvj18x_config(struct pcmcia_device *link) cardtype = CONTEC; break; case MANFID_FUJITSU: - if (le16_to_cpu(buf[1]) == PRODID_FUJITSU_MBH10302) + if (link->card_id == PRODID_FUJITSU_MBH10302) /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), but these are MBH10304 based card. */ cardtype = MBH10304; - else if (le16_to_cpu(buf[1]) == PRODID_FUJITSU_MBH10304) + else if (link->card_id == PRODID_FUJITSU_MBH10304) cardtype = MBH10304; else cardtype = LA501; @@ -409,14 +404,9 @@ static int fmvj18x_config(struct pcmcia_device *link) } } else { /* old type card */ - tuple.DesiredTuple = CISTPL_MANFID; - if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - else - buf[0] = 0xffff; - switch (le16_to_cpu(buf[0])) { + switch (link->manf_id) { case MANFID_FUJITSU: - if (le16_to_cpu(buf[1]) == PRODID_FUJITSU_MBH10304) { + if (link->card_id == PRODID_FUJITSU_MBH10304) { cardtype = XXX10304; /* MBH10304 with buggy CIS */ link->conf.ConfigIndex = 0x20; } else { diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index c51cc5d8789..430a41e7b68 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -519,7 +519,7 @@ static int pcnet_config(struct pcmcia_device *link) tuple_t tuple; cisparse_t parse; int i, last_ret, last_fn, start_pg, stop_pg, cm_offset; - int manfid = 0, prodid = 0, has_shmem = 0; + int has_shmem = 0; u_short buf[64]; hw_info_t *hw_info; @@ -536,14 +536,6 @@ static int pcnet_config(struct pcmcia_device *link) link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - tuple.DesiredTuple = CISTPL_MANFID; - tuple.Attributes = TUPLE_RETURN_COMMON; - if ((pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) && - (pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS)) { - manfid = le16_to_cpu(buf[0]); - prodid = le16_to_cpu(buf[1]); - } - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); @@ -589,8 +581,8 @@ static int pcnet_config(struct pcmcia_device *link) link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } - if ((manfid == MANFID_IBM) && - (prodid == PRODID_IBM_HOME_AND_AWAY)) + if ((link->manf_id == MANFID_IBM) && + (link->card_id == PRODID_IBM_HOME_AND_AWAY)) link->conf.ConfigIndex |= 0x10; CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); @@ -624,10 +616,10 @@ static int pcnet_config(struct pcmcia_device *link) info->flags = hw_info->flags; /* Check for user overrides */ info->flags |= (delay_output) ? DELAY_OUTPUT : 0; - if ((manfid == MANFID_SOCKET) && - ((prodid == PRODID_SOCKET_LPE) || - (prodid == PRODID_SOCKET_LPE_CF) || - (prodid == PRODID_SOCKET_EIO))) + if ((link->manf_id == MANFID_SOCKET) && + ((link->card_id == PRODID_SOCKET_LPE) || + (link->card_id == PRODID_SOCKET_LPE_CF) || + (link->card_id == PRODID_SOCKET_EIO))) info->flags &= ~USE_BIG_BUF; if (!use_big_buf) info->flags &= ~USE_BIG_BUF; diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index 20fcc357620..ae024bfc1ae 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -999,12 +999,8 @@ static int smc91c92_config(struct pcmcia_device *link) link->conf.ConfigBase = parse->config.base; link->conf.Present = parse->config.rmask[0]; - tuple->DesiredTuple = CISTPL_MANFID; - tuple->Attributes = TUPLE_RETURN_COMMON; - if (first_tuple(link, tuple, parse) == CS_SUCCESS) { - smc->manfid = parse->manfid.manf; - smc->cardid = parse->manfid.card; - } + smc->manfid = link->manf_id; + smc->cardid = link->card_id; if ((smc->manfid == MANFID_OSITECH) && (smc->cardid != PRODID_OSITECH_SEVEN)) { diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index f63909e4bc3..8a7984bc8af 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -293,15 +293,12 @@ static int sandisk_enable_wireless(struct net_device *dev) goto done; } - tuple.DesiredTuple = CISTPL_MANFID; tuple.Attributes = TUPLE_RETURN_COMMON; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if (pcmcia_get_first_tuple(hw_priv->link, &tuple) || - pcmcia_get_tuple_data(hw_priv->link, &tuple) || - pcmcia_parse_tuple(hw_priv->link, &tuple, parse) || - parse->manfid.manf != 0xd601 || parse->manfid.card != 0x0101) { + + if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) { /* No SanDisk manfid found */ ret = -ENODEV; goto done; diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index 86c2ac6ae62..336e370f7f6 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -217,9 +217,7 @@ static int qlogic_config(struct pcmcia_device * link) CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; - tuple.DesiredTuple = CISTPL_MANFID; - if ((pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) && (pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS)) - info->manf_id = le16_to_cpu(tuple.TupleData[0]); + info->manf_id = link->manf_id; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 72fe5d055de..80c28b9fb70 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -731,10 +731,7 @@ SYM53C500_config(struct pcmcia_device *link) CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; - tuple.DesiredTuple = CISTPL_MANFID; - if ((pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) && - (pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS)) - info->manf_id = le16_to_cpu(tuple.TupleData[0]); + info->manf_id = link->manf_id; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 783b0c5f887..7aa2820e35b 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -757,27 +757,25 @@ static int serial_config(struct pcmcia_device * link) /* Is this a multiport card? */ tuple->DesiredTuple = CISTPL_MANFID; - if (first_tuple(link, tuple, parse) == CS_SUCCESS) { - info->manfid = parse->manfid.manf; - info->prodid = parse->manfid.card; - - for (i = 0; i < ARRAY_SIZE(quirks); i++) - if ((quirks[i].manfid == ~0 || - quirks[i].manfid == info->manfid) && - (quirks[i].prodid == ~0 || - quirks[i].prodid == info->prodid)) { - info->quirk = &quirks[i]; - break; - } - } + info->manfid = link->manf_id; + info->prodid = link->card_id; + + for (i = 0; i < ARRAY_SIZE(quirks); i++) + if ((quirks[i].manfid == ~0 || + quirks[i].manfid == info->manfid) && + (quirks[i].prodid == ~0 || + quirks[i].prodid == info->prodid)) { + info->quirk = &quirks[i]; + break; + } /* Another check for dual-serial cards: look for either serial or multifunction cards that ask for appropriate IO port ranges */ tuple->DesiredTuple = CISTPL_FUNCID; if ((info->multi == 0) && - ((first_tuple(link, tuple, parse) != CS_SUCCESS) || - (parse->funcid.func == CISTPL_FUNCID_MULTI) || - (parse->funcid.func == CISTPL_FUNCID_SERIAL))) { + (link->has_func_id) && + ((link->func_id == CISTPL_FUNCID_MULTI) || + (link->func_id == CISTPL_FUNCID_SERIAL))) { tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; if (first_tuple(link, tuple, parse) == CS_SUCCESS) { if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0)) -- cgit v1.2.3 From a9606fd39083478bef313c0e3b77bc065e39e36e Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 4 Jun 2006 18:06:13 +0200 Subject: [PATCH] pcmcia: remove prod_id indirection As we read out the product information strings (VERS_1) from the PCMCIA device in the PCMCIA core, and device drivers can access those reliably in struct pcmcia_device's fields prod_id[], remove additional product information string detection logic from PCMCIA device drivers. Signed-off-by: Dominik Brodowski --- drivers/isdn/hardware/avm/avm_cs.c | 14 +++----------- drivers/isdn/hisax/avma1_cs.c | 14 +++----------- drivers/net/pcmcia/3c574_cs.c | 9 +++------ drivers/net/pcmcia/smc91c92_cs.c | 27 ++++++++------------------- drivers/net/pcmcia/xirc2ps_cs.c | 19 ++++--------------- drivers/net/wireless/ray_cs.c | 15 +++++---------- drivers/telephony/ixj_pcmcia.c | 30 ++++++++++++++---------------- 7 files changed, 40 insertions(+), 88 deletions(-) (limited to 'drivers') diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c index 7bbfd85ab79..db3755b28f5 100644 --- a/drivers/isdn/hardware/avm/avm_cs.c +++ b/drivers/isdn/hardware/avm/avm_cs.c @@ -217,18 +217,10 @@ static int avmcs_config(struct pcmcia_device *link) } do { - - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 254; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_VERS_1; - devname[0] = 0; - if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) { - strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], - sizeof(devname)); - } + if (link->prod_id[1]) + strlcpy(devname, link->prod_id[1], sizeof(devname)); + /* * find IO port */ diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c index ac28e3278ad..40c9b026729 100644 --- a/drivers/isdn/hisax/avma1_cs.c +++ b/drivers/isdn/hisax/avma1_cs.c @@ -239,18 +239,10 @@ static int avma1cs_config(struct pcmcia_device *link) } do { - - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 254; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_VERS_1; - devname[0] = 0; - if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) { - strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], - sizeof(devname)); - } + if (link->prod_id[1]) + strlcpy(devname, link->prod_id[1], sizeof(devname)); + /* * find IO port */ diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 04600992852..420f70b6b88 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -397,12 +397,9 @@ static int tc574_config(struct pcmcia_device *link) goto failed; } } - tuple.DesiredTuple = CISTPL_VERS_1; - if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS && - pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS && - pcmcia_parse_tuple(link, &tuple, &parse) == CS_SUCCESS) { - cardname = parse.version_1.str + parse.version_1.ofs[1]; - } else + if (link->prod_id[1]) + cardname = link->prod_id[1]; + else cardname = "3Com 3c574"; { diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index ae024bfc1ae..bf408482443 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -560,16 +560,8 @@ static int mhz_setup(struct pcmcia_device *link) /* Read the station address from the CIS. It is stored as the last (fourth) string in the Version 1 Version/ID tuple. */ - tuple->DesiredTuple = CISTPL_VERS_1; - if (first_tuple(link, tuple, parse) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - /* Ugh -- the EM1144 card has two VERS_1 tuples!?! */ - if (next_tuple(link, tuple, parse) != CS_SUCCESS) - first_tuple(link, tuple, parse); - if (parse->version_1.ns > 3) { - station_addr = parse->version_1.str + parse->version_1.ofs[3]; + if (link->prod_id[3]) { + station_addr = link->prod_id[3]; if (cvt_ascii_address(dev, station_addr) == 0) { rc = 0; goto free_cfg_mem; @@ -744,15 +736,12 @@ static int smc_setup(struct pcmcia_device *link) } } /* Try the third string in the Version 1 Version/ID tuple. */ - tuple->DesiredTuple = CISTPL_VERS_1; - if (first_tuple(link, tuple, parse) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - station_addr = parse->version_1.str + parse->version_1.ofs[2]; - if (cvt_ascii_address(dev, station_addr) == 0) { - rc = 0; - goto free_cfg_mem; + if (link->prod_id[2]) { + station_addr = link->prod_id[2]; + if (cvt_ascii_address(dev, station_addr) == 0) { + rc = 0; + goto free_cfg_mem; + } } rc = -1; diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index f3914f58d67..d6273619686 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -707,22 +707,11 @@ set_card_type(struct pcmcia_device *link, const void *s) * Returns: true if this is a CE2 */ static int -has_ce2_string(struct pcmcia_device * link) +has_ce2_string(struct pcmcia_device * p_dev) { - tuple_t tuple; - cisparse_t parse; - u_char buf[256]; - - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 254; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_VERS_1; - if (!first_tuple(link, &tuple, &parse) && parse.version_1.ns > 2) { - if (strstr(parse.version_1.str + parse.version_1.ofs[2], "CE2")) - return 1; - } - return 0; + if (p_dev->prod_id[2] && strstr(p_dev->prod_id[2], "CE2")) + return 1; + return 0; } /**************** diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 7fbfc9e41d0..75cdc3e5852 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -433,16 +433,11 @@ static int ray_config(struct pcmcia_device *link) /* Determine card type and firmware version */ buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0; - tuple.DesiredTuple = CISTPL_VERS_1; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - tuple.TupleData = buf; - tuple.TupleDataMax = MAX_TUPLE_SIZE; - tuple.TupleOffset = 2; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - - for (i=0; iprod_id[0] ? link->prod_id[0] : " ", + link->prod_id[1] ? link->prod_id[1] : " ", + link->prod_id[2] ? link->prod_id[2] : " ", + link->prod_id[3] ? link->prod_id[3] : " "); /* Now allocate an interrupt line. Note that this does not actually assign a handler to the interrupt. diff --git a/drivers/telephony/ixj_pcmcia.c b/drivers/telephony/ixj_pcmcia.c index dda0ca45d90..3f88978d5ae 100644 --- a/drivers/telephony/ixj_pcmcia.c +++ b/drivers/telephony/ixj_pcmcia.c @@ -69,25 +69,21 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) static void ixj_get_serial(struct pcmcia_device * link, IXJ * j) { - tuple_t tuple; - u_short buf[128]; char *str; - int last_ret, last_fn, i, place; + int i, place; DEBUG(0, "ixj_get_serial(0x%p)\n", link); - tuple.TupleData = (cisdata_t *) buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 80; - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_VERS_1; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - str = (char *) buf; - printk("PCMCIA Version %d.%d\n", str[0], str[1]); - str += 2; + + str = link->prod_id[0]; + if (!str) + goto cs_failed; printk("%s", str); - str = str + strlen(str) + 1; + str = link->prod_id[1]; + if (!str) + goto cs_failed; printk(" %s", str); - str = str + strlen(str) + 1; + str = link->prod_id[2]; + if (!str) + goto cs_failed; place = 1; for (i = strlen(str) - 1; i >= 0; i--) { switch (str[i]) { @@ -122,7 +118,9 @@ static void ixj_get_serial(struct pcmcia_device * link, IXJ * j) } place = place * 0x10; } - str = str + strlen(str) + 1; + str = link->prod_id[3]; + if (!str) + goto cs_failed; printk(" version %s\n", str); cs_failed: return; -- cgit v1.2.3 From af2b3b503ad1b071b66e1531caae252b4b95c847 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Wed, 25 Oct 2006 21:49:27 -0400 Subject: [PATCH] pcmcia: conf.ConfigBase and conf.Present consolidation struct pcmcia_device *p_dev->conf.ConfigBase and .Present are set in almost all PCMICA driver right at the beginning, using the same calls but slightly different implementations. Unfiy this in the PCMCIA core. Includes a small bugfix ("drivers/net/pcmcia/xirc2ps_cs.c: remove unused label") from and Signed-off-by Adrian Bunk Signed-off-by: Dominik Brodowski --- drivers/ata/pata_pcmcia.c | 7 ------ drivers/bluetooth/bluecard_cs.c | 38 +-------------------------------- drivers/bluetooth/bt3c_cs.c | 20 +---------------- drivers/bluetooth/btuart_cs.c | 20 +---------------- drivers/bluetooth/dtl1_cs.c | 20 +---------------- drivers/char/pcmcia/cm4000_cs.c | 20 ----------------- drivers/char/pcmcia/cm4040_cs.c | 20 ----------------- drivers/char/pcmcia/synclink_cs.c | 7 ------ drivers/ide/legacy/ide-cs.c | 6 ------ drivers/isdn/hardware/avm/avm_cs.c | 22 ------------------- drivers/isdn/hisax/avma1_cs.c | 22 ------------------- drivers/isdn/hisax/elsa_cs.c | 17 --------------- drivers/isdn/hisax/sedlbauer_cs.c | 10 --------- drivers/isdn/hisax/teles_cs.c | 17 --------------- drivers/net/pcmcia/3c574_cs.c | 16 ++++---------- drivers/net/pcmcia/3c589_cs.c | 7 ------ drivers/net/pcmcia/axnet_cs.c | 6 +----- drivers/net/pcmcia/com20020_cs.c | 13 ----------- drivers/net/pcmcia/fmvj18x_cs.c | 14 +----------- drivers/net/pcmcia/ibmtr_cs.c | 12 ----------- drivers/net/pcmcia/nmclan_cs.c | 12 +---------- drivers/net/pcmcia/pcnet_cs.c | 8 ------- drivers/net/pcmcia/smc91c92_cs.c | 24 --------------------- drivers/net/pcmcia/xirc2ps_cs.c | 9 -------- drivers/net/wireless/airo_cs.c | 19 ++++------------- drivers/net/wireless/atmel_cs.c | 11 ---------- drivers/net/wireless/hostap/hostap_cs.c | 6 ------ drivers/net/wireless/netwave_cs.c | 18 ---------------- drivers/net/wireless/orinoco_cs.c | 19 ++++------------- drivers/net/wireless/ray_cs.c | 15 ------------- drivers/net/wireless/spectrum_cs.c | 19 ++++------------- drivers/net/wireless/wavelan_cs.c | 33 ---------------------------- drivers/net/wireless/wl3501_cs.c | 15 ------------- drivers/parport/parport_cs.c | 8 ------- drivers/pcmcia/ds.c | 13 +++++++++++ drivers/scsi/pcmcia/aha152x_stub.c | 7 +----- drivers/scsi/pcmcia/fdomain_stub.c | 5 ----- drivers/scsi/pcmcia/nsp_cs.c | 6 ------ drivers/scsi/pcmcia/qlogic_stub.c | 9 ++------ drivers/scsi/pcmcia/sym53c500_cs.c | 9 ++------ drivers/serial/serial_cs.c | 13 +---------- drivers/telephony/ixj_pcmcia.c | 7 ------ drivers/usb/host/sl811_cs.c | 15 ++++--------- 43 files changed, 46 insertions(+), 568 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index da7c218c9cc..9ed7f58424a 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -154,13 +154,6 @@ static int pcmcia_init_one(struct pcmcia_device *pdev) tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, &stk->parse)); - pdev->conf.ConfigBase = stk->parse.config.base; - pdev->conf.Present = stk->parse.config.rmask[0]; /* See if we have a manufacturer identifier. Use it to set is_kme for vendor quirks */ diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index cbc07250b89..acfb6a430dc 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -892,43 +892,10 @@ static void bluecard_detach(struct pcmcia_device *link) } -static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) -{ - int i; - - i = pcmcia_get_first_tuple(handle, tuple); - if (i != CS_SUCCESS) - return CS_NO_MORE_ITEMS; - - i = pcmcia_get_tuple_data(handle, tuple); - if (i != CS_SUCCESS) - return i; - - return pcmcia_parse_tuple(handle, tuple, parse); -} - static int bluecard_config(struct pcmcia_device *link) { bluecard_info_t *info = link->priv; - tuple_t tuple; - u_short buf[256]; - cisparse_t parse; - int i, n, last_ret, last_fn; - - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - - /* Get configuration register information */ - tuple.DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(link, &tuple, &parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; + int i, n; link->conf.ConfigIndex = 0x20; link->io.NumPorts1 = 64; @@ -966,9 +933,6 @@ static int bluecard_config(struct pcmcia_device *link) return 0; -cs_failed: - cs_error(link, last_fn, last_ret); - failed: bluecard_release(link); return -ENODEV; diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 3a96a0babc6..aae3abace58 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -713,22 +713,7 @@ static int bt3c_config(struct pcmcia_device *link) u_short buf[256]; cisparse_t parse; cistpl_cftable_entry_t *cf = &parse.cftable_entry; - int i, j, try, last_ret, last_fn; - - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - - /* Get configuration register information */ - tuple.DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(link, &tuple, &parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; + int i, j, try; /* First pass: look for a config entry that looks normal. */ tuple.TupleData = (cisdata_t *)buf; @@ -802,9 +787,6 @@ found_port: return 0; -cs_failed: - cs_error(link, last_fn, last_ret); - failed: bt3c_release(link); return -ENODEV; diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index 3b29086b7c3..92648ef2f5d 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -644,22 +644,7 @@ static int btuart_config(struct pcmcia_device *link) u_short buf[256]; cisparse_t parse; cistpl_cftable_entry_t *cf = &parse.cftable_entry; - int i, j, try, last_ret, last_fn; - - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - - /* Get configuration register information */ - tuple.DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(link, &tuple, &parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; + int i, j, try; /* First pass: look for a config entry that looks normal. */ tuple.TupleData = (cisdata_t *) buf; @@ -734,9 +719,6 @@ found_port: return 0; -cs_failed: - cs_error(link, last_fn, last_ret); - failed: btuart_release(link); return -ENODEV; diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index 07eafbc5dc3..77b99eecbc4 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -626,22 +626,7 @@ static int dtl1_config(struct pcmcia_device *link) u_short buf[256]; cisparse_t parse; cistpl_cftable_entry_t *cf = &parse.cftable_entry; - int i, last_ret, last_fn; - - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleOffset = 0; - tuple.TupleDataMax = 255; - tuple.Attributes = 0; - - /* Get configuration register information */ - tuple.DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(link, &tuple, &parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; + int i; tuple.TupleData = (cisdata_t *)buf; tuple.TupleOffset = 0; @@ -690,9 +675,6 @@ static int dtl1_config(struct pcmcia_device *link) return 0; -cs_failed: - cs_error(link, last_fn, last_ret); - failed: dtl1_release(link); return -ENODEV; diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index d9fdef22791..211c93fda6f 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1764,29 +1764,11 @@ static int cm4000_config(struct pcmcia_device * link, int devno) int rc; /* read the config-tuples */ - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { - fail_fn = GetFirstTuple; - goto cs_failed; - } - if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { - fail_fn = GetTupleData; - goto cs_failed; - } - if ((fail_rc = - pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { - fail_fn = ParseTuple; - goto cs_failed; - } - - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; @@ -1841,8 +1823,6 @@ static int cm4000_config(struct pcmcia_device * link, int devno) return 0; -cs_failed: - cs_error(link, fail_fn, fail_rc); cs_release: cm4000_release(link); return -ENODEV; diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 7368332c698..9b1ff7e8f89 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -523,29 +523,11 @@ static int reader_config(struct pcmcia_device *link, int devno) int fail_fn, fail_rc; int rc; - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { - fail_fn = GetFirstTuple; - goto cs_failed; - } - if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { - fail_fn = GetTupleData; - goto cs_failed; - } - if ((fail_rc = pcmcia_parse_tuple(link, &tuple, &parse)) - != CS_SUCCESS) { - fail_fn = ParseTuple; - goto cs_failed; - } - - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; @@ -609,8 +591,6 @@ static int reader_config(struct pcmcia_device *link, int devno) return 0; -cs_failed: - cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); return -ENODEV; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 1a0bc30b79d..f9f72500ea5 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -604,17 +604,10 @@ static int mgslpc_config(struct pcmcia_device *link) if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_config(0x%p)\n", link); - /* read CONFIG tuple to find its configuration registers */ - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; /* get CIS configuration entry */ diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 1b996e62a40..7efd28ac21e 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -192,12 +192,6 @@ static int ide_config(struct pcmcia_device *link) tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &stk->parse)); - link->conf.ConfigBase = stk->parse.config.base; - link->conf.Present = stk->parse.config.rmask[0]; is_kme = ((link->manf_id == MANFID_KME) && ((link->card_id == PRODID_KME_KXLC005_A) || diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c index db3755b28f5..fd5d7364a48 100644 --- a/drivers/isdn/hardware/avm/avm_cs.c +++ b/drivers/isdn/hardware/avm/avm_cs.c @@ -194,28 +194,6 @@ static int avmcs_config(struct pcmcia_device *link) dev = link->priv; - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - do { - tuple.DesiredTuple = CISTPL_CONFIG; - i = pcmcia_get_first_tuple(link, &tuple); - if (i != CS_SUCCESS) break; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - i = pcmcia_get_tuple_data(link, &tuple); - if (i != CS_SUCCESS) break; - i = pcmcia_parse_tuple(link, &tuple, &parse); - if (i != CS_SUCCESS) break; - link->conf.ConfigBase = parse.config.base; - } while (0); - if (i != CS_SUCCESS) { - cs_error(link, ParseTuple, i); - return -ENODEV; - } - do { devname[0] = 0; if (link->prod_id[1]) diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c index 40c9b026729..876fec6c6be 100644 --- a/drivers/isdn/hisax/avma1_cs.c +++ b/drivers/isdn/hisax/avma1_cs.c @@ -216,28 +216,6 @@ static int avma1cs_config(struct pcmcia_device *link) DEBUG(0, "avma1cs_config(0x%p)\n", link); - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - do { - tuple.DesiredTuple = CISTPL_CONFIG; - i = pcmcia_get_first_tuple(link, &tuple); - if (i != CS_SUCCESS) break; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - i = pcmcia_get_tuple_data(link, &tuple); - if (i != CS_SUCCESS) break; - i = pcmcia_parse_tuple(link, &tuple, &parse); - if (i != CS_SUCCESS) break; - link->conf.ConfigBase = parse.config.base; - } while (0); - if (i != CS_SUCCESS) { - cs_error(link, ParseTuple, i); - return -ENODEV; - } - do { devname[0] = 0; if (link->prod_id[1]) diff --git a/drivers/isdn/hisax/elsa_cs.c b/drivers/isdn/hisax/elsa_cs.c index e18e75be8ed..4e180d210fa 100644 --- a/drivers/isdn/hisax/elsa_cs.c +++ b/drivers/isdn/hisax/elsa_cs.c @@ -242,23 +242,6 @@ static int elsa_cs_config(struct pcmcia_device *link) DEBUG(0, "elsa_config(0x%p)\n", link); dev = link->priv; - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleDataMax = 255; - tuple.TupleOffset = 0; - tuple.Attributes = 0; - i = first_tuple(link, &tuple, &parse); - if (i != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - tuple.TupleData = (cisdata_t *)buf; tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c index f9c14a2970b..46ed65334c5 100644 --- a/drivers/isdn/hisax/sedlbauer_cs.c +++ b/drivers/isdn/hisax/sedlbauer_cs.c @@ -233,20 +233,10 @@ static int sedlbauer_config(struct pcmcia_device *link) DEBUG(0, "sedlbauer_config(0x%p)\n", link); - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); diff --git a/drivers/isdn/hisax/teles_cs.c b/drivers/isdn/hisax/teles_cs.c index afcc2aeadb3..6b754f18379 100644 --- a/drivers/isdn/hisax/teles_cs.c +++ b/drivers/isdn/hisax/teles_cs.c @@ -232,23 +232,6 @@ static int teles_cs_config(struct pcmcia_device *link) DEBUG(0, "teles_config(0x%p)\n", link); dev = link->priv; - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleDataMax = 255; - tuple.TupleOffset = 0; - tuple.Attributes = 0; - i = first_tuple(link, &tuple, &parse); - if (i != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - tuple.TupleData = (cisdata_t *)buf; tuple.TupleOffset = 0; tuple.TupleDataMax = 255; tuple.Attributes = 0; diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 420f70b6b88..794cc61819d 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -338,7 +338,6 @@ static int tc574_config(struct pcmcia_device *link) struct net_device *dev = link->priv; struct el3_private *lp = netdev_priv(dev); tuple_t tuple; - cisparse_t parse; unsigned short buf[32]; int last_fn, last_ret, i, j; kio_addr_t ioaddr; @@ -350,17 +349,6 @@ static int tc574_config(struct pcmcia_device *link) DEBUG(0, "3c574_config(0x%p)\n", link); - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - link->io.IOAddrLines = 16; for (i = j = 0; j < 0x400; j += 0x20) { link->io.BasePort1 = j ^ 0x300; @@ -382,6 +370,10 @@ static int tc574_config(struct pcmcia_device *link) /* The 3c574 normally uses an EEPROM for configuration info, including the hardware address. The future products may include a modem chip and put the address in the CIS. */ + tuple.Attributes = 0; + tuple.TupleData = (cisdata_t *)buf; + tuple.TupleDataMax = 64; + tuple.TupleOffset = 0; tuple.DesiredTuple = 0x88; if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) { pcmcia_get_tuple_data(link, &tuple); diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index eb578329448..1e73ff7d5d8 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -253,7 +253,6 @@ static int tc589_config(struct pcmcia_device *link) struct net_device *dev = link->priv; struct el3_private *lp = netdev_priv(dev); tuple_t tuple; - cisparse_t parse; u16 buf[32], *phys_addr; int last_fn, last_ret, i, j, multi = 0, fifo; kio_addr_t ioaddr; @@ -263,15 +262,9 @@ static int tc589_config(struct pcmcia_device *link) phys_addr = (u16 *)dev->dev_addr; tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); tuple.TupleData = (cisdata_t *)buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; tuple.Attributes = TUPLE_RETURN_COMMON; /* Is this a 3c562? */ diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 5ddd5742f77..6139048f811 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -299,11 +299,7 @@ static int axnet_config(struct pcmcia_device *link) tuple.TupleData = (cisdata_t *)buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; + /* don't trust the CIS on this; Linksys got it wrong */ link->conf.Present = 0x63; diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c index 48434d7924e..91f65e91cd5 100644 --- a/drivers/net/pcmcia/com20020_cs.c +++ b/drivers/net/pcmcia/com20020_cs.c @@ -249,12 +249,9 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) static int com20020_config(struct pcmcia_device *link) { struct arcnet_local *lp; - tuple_t tuple; - cisparse_t parse; com20020_dev_t *info; struct net_device *dev; int i, last_ret, last_fn; - u_char buf[64]; int ioaddr; info = link->priv; @@ -264,16 +261,6 @@ static int com20020_config(struct pcmcia_device *link) DEBUG(0, "com20020_config(0x%p)\n", link); - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - DEBUG(1,"arcnet: baseport1 is %Xh\n", link->io.BasePort1); i = !CS_SUCCESS; if (!link->io.BasePort1) diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index e3731fd1560..0d7de617e53 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -342,7 +342,7 @@ static int fmvj18x_config(struct pcmcia_device *link) tuple_t tuple; cisparse_t parse; u_short buf[32]; - int i, last_fn, last_ret, ret; + int i, last_fn = 0, last_ret = 0, ret; kio_addr_t ioaddr; cardtype_t cardtype; char *card_name = "unknown"; @@ -350,21 +350,9 @@ static int fmvj18x_config(struct pcmcia_device *link) DEBUG(0, "fmvj18x_config(0x%p)\n", link); - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); tuple.TupleData = (u_char *)buf; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - tuple.DesiredTuple = CISTPL_FUNCE; tuple.TupleOffset = 0; if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) { diff --git a/drivers/net/pcmcia/ibmtr_cs.c b/drivers/net/pcmcia/ibmtr_cs.c index bc0ca41a054..a956a51d284 100644 --- a/drivers/net/pcmcia/ibmtr_cs.c +++ b/drivers/net/pcmcia/ibmtr_cs.c @@ -222,24 +222,12 @@ static int ibmtr_config(struct pcmcia_device *link) ibmtr_dev_t *info = link->priv; struct net_device *dev = info->dev; struct tok_info *ti = netdev_priv(dev); - tuple_t tuple; - cisparse_t parse; win_req_t req; memreq_t mem; int i, last_ret, last_fn; - u_char buf[64]; DEBUG(0, "ibmtr_config(0x%p)\n", link); - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; link->conf.ConfigIndex = 0x61; /* Determine if this is PRIMARY or ALTERNATE. */ diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c index e77110e4c28..3b707747a81 100644 --- a/drivers/net/pcmcia/nmclan_cs.c +++ b/drivers/net/pcmcia/nmclan_cs.c @@ -656,23 +656,12 @@ static int nmclan_config(struct pcmcia_device *link) struct net_device *dev = link->priv; mace_private *lp = netdev_priv(dev); tuple_t tuple; - cisparse_t parse; u_char buf[64]; int i, last_ret, last_fn; kio_addr_t ioaddr; DEBUG(0, "nmclan_config(0x%p)\n", link); - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); @@ -686,6 +675,7 @@ static int nmclan_config(struct pcmcia_device *link) tuple.TupleData = buf; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; + tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); memcpy(dev->dev_addr, tuple.TupleData, ETHER_ADDR_LEN); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 430a41e7b68..2b1238e2dbd 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -525,17 +525,9 @@ static int pcnet_config(struct pcmcia_device *link) DEBUG(0, "pcnet_config(0x%p)\n", link); - tuple.Attributes = 0; tuple.TupleData = (cisdata_t *)buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index bf408482443..530df8883fe 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -959,10 +959,6 @@ static int smc91c92_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; struct smc_private *smc = netdev_priv(dev); - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - u_char *buf; char *name; int i, j, rev; kio_addr_t ioaddr; @@ -970,24 +966,6 @@ static int smc91c92_config(struct pcmcia_device *link) DEBUG(0, "smc91c92_config(0x%p)\n", link); - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - goto config_failed; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - buf = cfg_mem->buf; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 64; - - tuple->DesiredTuple = CISTPL_CONFIG; - i = first_tuple(link, tuple, parse); - CS_EXIT_TEST(i, ParseTuple, config_failed); - link->conf.ConfigBase = parse->config.base; - link->conf.Present = parse->config.rmask[0]; - smc->manfid = link->manf_id; smc->cardid = link->card_id; @@ -1119,14 +1097,12 @@ static int smc91c92_config(struct pcmcia_device *link) printk(KERN_NOTICE " No MII transceivers found!\n"); } } - kfree(cfg_mem); return 0; config_undo: unregister_netdev(dev); config_failed: /* CS_EXIT_TEST() calls jump to here... */ smc91c92_release(link); - kfree(cfg_mem); return -ENODEV; } /* smc91c92_config */ diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index d6273619686..69813406782 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -781,13 +781,6 @@ xirc2ps_config(struct pcmcia_device * link) goto failure; } - /* get configuration stuff */ - tuple.DesiredTuple = CISTPL_CONFIG; - if ((err=first_tuple(link, &tuple, &parse))) - goto cis_error; - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* get the ethernet address from the CIS */ tuple.DesiredTuple = CISTPL_FUNCE; for (err = first_tuple(link, &tuple, &parse); !err; @@ -1051,8 +1044,6 @@ xirc2ps_config(struct pcmcia_device * link) xirc2ps_release(link); return -ENODEV; - cis_error: - printk(KNOT_XIRC "unable to parse CIS\n"); failure: return -ENODEV; } /* xirc2ps_config */ diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index ac9437d497f..f12355398fe 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -219,21 +219,6 @@ static int airo_config(struct pcmcia_device *link) dev = link->priv; DEBUG(0, "airo_config(0x%p)\n", link); - - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; /* In this loop, we scan the CIS for configuration table entries, @@ -247,6 +232,10 @@ static int airo_config(struct pcmcia_device *link) these things without consulting the CIS, and most client drivers will only use the CIS to fill in implementation-defined details. */ + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index 5c410989c4d..12617cd0b78 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -243,17 +243,6 @@ static int atmel_config(struct pcmcia_device *link) tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* In this loop, we scan the CIS for configuration table entries, each of which describes a valid card configuration, including diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 8a7984bc8af..ee542ec6d6a 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -570,16 +570,10 @@ static int prism2_config(struct pcmcia_device *link) } memset(hw_priv, 0, sizeof(*hw_priv)); - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse)); - link->conf.ConfigBase = parse->config.base; - link->conf.Present = parse->config.rmask[0]; CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index 6714e0dfa8d..644b4741ef7 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -735,31 +735,13 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) static int netwave_pcmcia_config(struct pcmcia_device *link) { struct net_device *dev = link->priv; netwave_private *priv = netdev_priv(dev); - tuple_t tuple; - cisparse_t parse; int i, j, last_ret, last_fn; - u_char buf[64]; win_req_t req; memreq_t mem; u_char __iomem *ramBase = NULL; DEBUG(0, "netwave_pcmcia_config(0x%p)\n", link); - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.Attributes = 0; - tuple.TupleData = (cisdata_t *) buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* * Try allocating IO ports. This tries a few fixed addresses. * If you want, you can also read the card's config table to diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index bc14689cbf2..d08ae8d2726 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -178,21 +178,6 @@ orinoco_cs_config(struct pcmcia_device *link) cisparse_t parse; void __iomem *mem; - /* - * This reads the card's CONFIG tuple to find its - * configuration registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); @@ -211,6 +196,10 @@ orinoco_cs_config(struct pcmcia_device *link) * and most client drivers will only use the CIS to fill in * implementation-defined details. */ + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 75cdc3e5852..88e10c9bc4a 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -408,11 +408,8 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) #define MAX_TUPLE_SIZE 128 static int ray_config(struct pcmcia_device *link) { - tuple_t tuple; - cisparse_t parse; int last_fn = 0, last_ret = 0; int i; - u_char buf[MAX_TUPLE_SIZE]; win_req_t req; memreq_t mem; struct net_device *dev = (struct net_device *)link->priv; @@ -420,19 +417,7 @@ static int ray_config(struct pcmcia_device *link) DEBUG(1, "ray_config(0x%p)\n", link); - /* This reads the card's CONFIG tuple to find its configuration regs */ - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - tuple.TupleData = buf; - tuple.TupleDataMax = MAX_TUPLE_SIZE; - tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* Determine card type and firmware version */ - buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0; printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", link->prod_id[0] ? link->prod_id[0] : " ", link->prod_id[1] ? link->prod_id[1] : " ", diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index bcc7038130f..cf2d1486b01 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -647,21 +647,6 @@ spectrum_cs_config(struct pcmcia_device *link) cisparse_t parse; void __iomem *mem; - /* - * This reads the card's CONFIG tuple to find its - * configuration registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); @@ -681,6 +666,10 @@ spectrum_cs_config(struct pcmcia_device *link) * implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index aafb301041b..233d906c08f 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -3939,11 +3939,8 @@ wv_hw_reset(struct net_device * dev) static inline int wv_pcmcia_config(struct pcmcia_device * link) { - tuple_t tuple; - cisparse_t parse; struct net_device * dev = (struct net_device *) link->priv; int i; - u_char buf[64]; win_req_t req; memreq_t mem; net_local * lp = netdev_priv(dev); @@ -3953,36 +3950,6 @@ wv_pcmcia_config(struct pcmcia_device * link) printk(KERN_DEBUG "->wv_pcmcia_config(0x%p)\n", link); #endif - /* - * This reads the card's CONFIG tuple to find its configuration - * registers. - */ - do - { - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - i = pcmcia_get_first_tuple(link, &tuple); - if(i != CS_SUCCESS) - break; - tuple.TupleData = (cisdata_t *)buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - i = pcmcia_get_tuple_data(link, &tuple); - if(i != CS_SUCCESS) - break; - i = pcmcia_parse_tuple(link, &tuple, &parse); - if(i != CS_SUCCESS) - break; - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - } - while(0); - if(i != CS_SUCCESS) - { - cs_error(link, ParseTuple, i); - return FALSE; - } - do { i = pcmcia_request_io(link, &link->io); diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 5b98a787698..583e0d655a9 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1966,25 +1966,10 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) */ static int wl3501_config(struct pcmcia_device *link) { - tuple_t tuple; - cisparse_t parse; struct net_device *dev = link->priv; int i = 0, j, last_fn, last_ret; - unsigned char bf[64]; struct wl3501_card *this; - /* This reads the card's CONFIG tuple to find its config registers. */ - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - tuple.TupleData = bf; - tuple.TupleDataMax = sizeof(bf); - tuple.TupleOffset = 0; - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* Try allocating IO ports. This tries a few fixed addresses. If you * want, you can also read the card's config table to pick addresses -- * see the serial driver for an example. */ diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c index fb80fed0da0..e60b4bf6bae 100644 --- a/drivers/parport/parport_cs.c +++ b/drivers/parport/parport_cs.c @@ -166,14 +166,6 @@ static int parport_config(struct pcmcia_device *link) tuple.TupleData = (cisdata_t *)buf; tuple.TupleOffset = 0; tuple.TupleDataMax = 255; - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 6572b3850e5..5b302e822ef 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -313,6 +313,7 @@ static int pcmcia_device_probe(struct device * dev) struct pcmcia_driver *p_drv; struct pcmcia_device_id *did; struct pcmcia_socket *s; + cistpl_config_t cis_config; int ret = 0; dev = get_device(dev); @@ -329,6 +330,18 @@ static int pcmcia_device_probe(struct device * dev) goto put_dev; } + /* set up some more device information */ + ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG, + &cis_config); + if (!ret) { + p_dev->conf.ConfigBase = cis_config.base; + p_dev->conf.Present = cis_config.rmask[0]; + } else { + printk(KERN_INFO "pcmcia: could not parse base and rmask0 of CIS\n"); + p_dev->conf.ConfigBase = 0; + p_dev->conf.Present = 0; + } + ret = p_drv->probe(p_dev); if (ret) goto put_module; diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c index ee449b29fc8..aad362ba02e 100644 --- a/drivers/scsi/pcmcia/aha152x_stub.c +++ b/drivers/scsi/pcmcia/aha152x_stub.c @@ -154,16 +154,11 @@ static int aha152x_config_cs(struct pcmcia_device *link) DEBUG(0, "aha152x_config(0x%p)\n", link); - tuple.DesiredTuple = CISTPL_CONFIG; tuple.TupleData = tuple_data; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { if (pcmcia_get_tuple_data(link, &tuple) != 0 || diff --git a/drivers/scsi/pcmcia/fdomain_stub.c b/drivers/scsi/pcmcia/fdomain_stub.c index 85f7ffac19a..a1c5f265069 100644 --- a/drivers/scsi/pcmcia/fdomain_stub.c +++ b/drivers/scsi/pcmcia/fdomain_stub.c @@ -136,14 +136,9 @@ static int fdomain_config(struct pcmcia_device *link) DEBUG(0, "fdomain_config(0x%p)\n", link); - tuple.DesiredTuple = CISTPL_CONFIG; tuple.TupleData = tuple_data; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index f2d79c3f0b8..d72df5dae4e 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1685,16 +1685,10 @@ static int nsp_cs_config(struct pcmcia_device *link) nsp_dbg(NSP_DEBUG_INIT, "in"); - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = tuple_data; tuple.TupleDataMax = sizeof(tuple_data); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index 336e370f7f6..9d431fe7f47 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -208,16 +208,11 @@ static int qlogic_config(struct pcmcia_device * link) DEBUG(0, "qlogic_config(0x%p)\n", link); + info->manf_id = link->manf_id; + tuple.TupleData = (cisdata_t *) tuple_data; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - - info->manf_id = link->manf_id; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 80c28b9fb70..fb7acea6028 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -722,16 +722,11 @@ SYM53C500_config(struct pcmcia_device *link) DEBUG(0, "SYM53C500_config(0x%p)\n", link); + info->manf_id = link->manf_id; + tuple.TupleData = (cisdata_t *)tuple_data; tuple.TupleDataMax = 64; tuple.TupleOffset = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - - info->manf_id = link->manf_id; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 7aa2820e35b..431433f4dd6 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -723,7 +723,7 @@ static int serial_config(struct pcmcia_device * link) u_char *buf; cisparse_t *parse; cistpl_cftable_entry_t *cf; - int i, last_ret, last_fn; + int i; DEBUG(0, "serial_config(0x%p)\n", link); @@ -740,15 +740,6 @@ static int serial_config(struct pcmcia_device * link) tuple->TupleOffset = 0; tuple->TupleDataMax = 255; tuple->Attributes = 0; - /* Get configuration register information */ - tuple->DesiredTuple = CISTPL_CONFIG; - last_ret = first_tuple(link, tuple, parse); - if (last_ret != CS_SUCCESS) { - last_fn = ParseTuple; - goto cs_failed; - } - link->conf.ConfigBase = parse->config.base; - link->conf.Present = parse->config.rmask[0]; /* Is this a compliant multifunction card? */ tuple->DesiredTuple = CISTPL_LONGLINK_MFC; @@ -812,8 +803,6 @@ static int serial_config(struct pcmcia_device * link) kfree(cfg_mem); return 0; - cs_failed: - cs_error(link, last_fn, last_ret); failed: serial_remove(link); kfree(cfg_mem); diff --git a/drivers/telephony/ixj_pcmcia.c b/drivers/telephony/ixj_pcmcia.c index 3f88978d5ae..164a5dcf1f1 100644 --- a/drivers/telephony/ixj_pcmcia.c +++ b/drivers/telephony/ixj_pcmcia.c @@ -144,13 +144,6 @@ static int ixj_config(struct pcmcia_device * link) tuple.TupleData = (cisdata_t *) buf; tuple.TupleOffset = 0; tuple.TupleDataMax = 255; - tuple.Attributes = 0; - tuple.DesiredTuple = CISTPL_CONFIG; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c index 54f554e0f0a..ac9f11d1981 100644 --- a/drivers/usb/host/sl811_cs.c +++ b/drivers/usb/host/sl811_cs.c @@ -169,21 +169,14 @@ static int sl811_cs_config(struct pcmcia_device *link) DBG(0, "sl811_cs_config(0x%p)\n", link); - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); - link->conf.ConfigBase = parse.config.base; - link->conf.Present = parse.config.rmask[0]; - /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { -- cgit v1.2.3 From ebe5cfb3b9f0207ea1f4a0c24bf504deb19a37cc Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Mon, 6 Nov 2006 15:56:07 +0200 Subject: [PATCH] pcmcia: at91_cf update This is an update to the AT91RM9200 CompactFlash driver. The changes include: - Use the I/O memory address passed via the platform_device resources instead of constant global values. - The IRQ should not be used as a random'ness source. - Return errors if ioremap() or request_mem_region() fails. Signed-off-by: Andrew Victor Signed-off-by: Dominik Brodowski --- drivers/pcmcia/at91_cf.c | 34 ++++++++++++++++++++-------------- 1 file changed, 20 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index 3bcb7dc3299..a8fa6c17fcf 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -32,10 +32,11 @@ * A0..A10 work in each range; A23 indicates I/O space; A25 is CFRNW; * some other bit in {A24,A22..A11} is nREG to flag memory access * (vs attributes). So more than 2KB/region would just be waste. + * Note: These are offsets from the physical base address. */ -#define CF_ATTR_PHYS (AT91_CF_BASE) -#define CF_IO_PHYS (AT91_CF_BASE + (1 << 23)) -#define CF_MEM_PHYS (AT91_CF_BASE + 0x017ff800) +#define CF_ATTR_PHYS (0) +#define CF_IO_PHYS (1 << 23) +#define CF_MEM_PHYS (0x017ff800) /*--------------------------------------------------------------------------*/ @@ -48,6 +49,8 @@ struct at91_cf_socket { struct platform_device *pdev; struct at91_cf_data *board; + + unsigned long phys_baseaddr; }; #define SZ_2K (2 * SZ_1K) @@ -168,7 +171,7 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) * some cards only like that way to get at the odd byte, despite * CF 3.0 spec table 35 also giving the D8-D15 option. */ - if (!(io->flags & (MAP_16BIT|MAP_AUTOSZ))) { + if (!(io->flags & (MAP_16BIT | MAP_AUTOSZ))) { csr |= AT91_SMC_DBW_8; pr_debug("%s: 8bit i/o bus\n", driver_name); } else { @@ -194,11 +197,11 @@ at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map) cf = container_of(s, struct at91_cf_socket, socket); - map->flags &= MAP_ACTIVE|MAP_ATTRIB|MAP_16BIT; + map->flags &= (MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT); if (map->flags & MAP_ATTRIB) - map->static_start = CF_ATTR_PHYS; + map->static_start = cf->phys_baseaddr + CF_ATTR_PHYS; else - map->static_start = CF_MEM_PHYS; + map->static_start = cf->phys_baseaddr + CF_MEM_PHYS; return 0; } @@ -235,6 +238,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) cf->board = board; cf->pdev = pdev; + cf->phys_baseaddr = io->start; platform_set_drvdata(pdev, cf); /* CF takes over CS4, CS5, CS6 */ @@ -260,8 +264,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) ); /* must be a GPIO; ergo must trigger on both edges */ - status = request_irq(board->det_pin, at91_cf_irq, - IRQF_SAMPLE_RANDOM, driver_name, cf); + status = request_irq(board->det_pin, at91_cf_irq, 0, driver_name, cf); if (status < 0) goto fail0; device_init_wakeup(&pdev->dev, 1); @@ -282,14 +285,18 @@ static int __init at91_cf_probe(struct platform_device *pdev) cf->socket.pci_irq = NR_IRQS + 1; /* pcmcia layer only remaps "real" memory not iospace */ - cf->socket.io_offset = (unsigned long) ioremap(CF_IO_PHYS, SZ_2K); - if (!cf->socket.io_offset) + cf->socket.io_offset = (unsigned long) ioremap(cf->phys_baseaddr + CF_IO_PHYS, SZ_2K); + if (!cf->socket.io_offset) { + status = -ENXIO; goto fail1; + } /* reserve CS4, CS5, and CS6 regions; but use just CS4 */ if (!request_mem_region(io->start, io->end + 1 - io->start, - driver_name)) + driver_name)) { + status = -ENXIO; goto fail1; + } pr_info("%s: irqs det #%d, io #%d\n", driver_name, board->det_pin, board->irq_pin); @@ -319,7 +326,6 @@ fail1: fail0a: device_init_wakeup(&pdev->dev, 0); free_irq(board->det_pin, cf); - device_init_wakeup(&pdev->dev, 0); fail0: at91_sys_write(AT91_EBI_CSA, csa); kfree(cf); @@ -336,8 +342,8 @@ static int __exit at91_cf_remove(struct platform_device *pdev) pcmcia_unregister_socket(&cf->socket); if (board->irq_pin) free_irq(board->irq_pin, cf); - free_irq(board->det_pin, cf); device_init_wakeup(&pdev->dev, 0); + free_irq(board->det_pin, cf); iounmap((void __iomem *) cf->socket.io_offset); release_mem_region(io->start, io->end + 1 - io->start); -- cgit v1.2.3 From d9d9ea0169e657a01c3717291d0614220dc0ff9e Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sat, 2 Dec 2006 22:11:44 +0200 Subject: [PATCH] pcmcia: ds.c debug enhancements Add verbose error messages and debug information to ds.c Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 97 ++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 81 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 5b302e822ef..45df12eda3c 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -250,6 +250,8 @@ int pcmcia_register_driver(struct pcmcia_driver *driver) driver->drv.bus = &pcmcia_bus_type; driver->drv.owner = driver->owner; + ds_dbg(3, "registering driver %s\n", driver->drv.name); + return driver_register(&driver->drv); } EXPORT_SYMBOL(pcmcia_register_driver); @@ -259,6 +261,7 @@ EXPORT_SYMBOL(pcmcia_register_driver); */ void pcmcia_unregister_driver(struct pcmcia_driver *driver) { + ds_dbg(3, "unregistering driver %s\n", driver->drv.name); driver_unregister(&driver->drv); } EXPORT_SYMBOL(pcmcia_unregister_driver); @@ -284,13 +287,14 @@ void pcmcia_put_dev(struct pcmcia_device *p_dev) static void pcmcia_release_function(struct kref *ref) { struct config_t *c = container_of(ref, struct config_t, ref); + ds_dbg(1, "releasing config_t\n"); kfree(c); } static void pcmcia_release_dev(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - ds_dbg(1, "releasing dev %p\n", p_dev); + ds_dbg(1, "releasing device %s\n", p_dev->dev.bus_id); pcmcia_put_socket(p_dev->socket); kfree(p_dev->devname); kref_put(&p_dev->function_config->ref, pcmcia_release_function); @@ -300,6 +304,8 @@ static void pcmcia_release_dev(struct device *dev) static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc) { if (!s->pcmcia_state.device_add_pending) { + ds_dbg(1, "scheduling to add %s secondary" + " device to %d\n", mfc ? "mfc" : "pfc", s->sock); s->pcmcia_state.device_add_pending = 1; s->pcmcia_state.mfc_pfc = mfc; schedule_work(&s->device_add); @@ -324,6 +330,9 @@ static int pcmcia_device_probe(struct device * dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; + ds_dbg(1, "trying to bind %s to %s\n", p_dev->dev.bus_id, + p_drv->drv.name); + if ((!p_drv->probe) || (!p_dev->function_config) || (!try_module_get(p_drv->owner))) { ret = -EINVAL; @@ -343,8 +352,11 @@ static int pcmcia_device_probe(struct device * dev) } ret = p_drv->probe(p_dev); - if (ret) + if (ret) { + ds_dbg(1, "binding %s to %s failed with %d\n", + p_dev->dev.bus_id, p_drv->drv.name, ret); goto put_module; + } /* handle pseudo multifunction devices: * there are at most two pseudo multifunction devices. @@ -376,8 +388,8 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le struct pcmcia_device *tmp; unsigned long flags; - ds_dbg(2, "unbind_request(%d)\n", s->sock); - + ds_dbg(2, "pcmcia_card_remove(%d) %s\n", s->sock, + leftover ? leftover->devname : ""); if (!leftover) s->device_count = 0; @@ -394,6 +406,7 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le p_dev->_removed=1; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + ds_dbg(2, "unregistering device %s\n", p_dev->dev.bus_id); device_unregister(&p_dev->dev); } @@ -410,6 +423,8 @@ static int pcmcia_device_remove(struct device * dev) p_dev = to_pcmcia_dev(dev); p_drv = to_pcmcia_drv(dev->driver); + ds_dbg(1, "removing device %s\n", p_dev->dev.bus_id); + /* If we're removing the primary module driving a * pseudo multi-function card, we need to unbind * all devices @@ -542,6 +557,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f mutex_lock(&device_add_lock); + ds_dbg(3, "adding device to %d, function %d\n", s->sock, function); + /* max of 4 devices per card */ if (s->device_count == 4) goto err_put; @@ -563,8 +580,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f if (!p_dev->devname) goto err_free; sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id); + ds_dbg(3, "devname is %s\n", p_dev->devname); - /* compat */ spin_lock_irqsave(&pcmcia_dev_list_lock, flags); /* @@ -584,6 +601,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); if (!p_dev->function_config) { + ds_dbg(3, "creating config_t for %s\n", p_dev->dev.bus_id); p_dev->function_config = kzalloc(sizeof(struct config_t), GFP_KERNEL); if (!p_dev->function_config) @@ -627,11 +645,16 @@ static int pcmcia_card_add(struct pcmcia_socket *s) unsigned int no_funcs, i; int ret = 0; - if (!(s->resource_setup_done)) + if (!(s->resource_setup_done)) { + ds_dbg(3, "no resources available, delaying card_add\n"); return -EAGAIN; /* try again, but later... */ + } - if (pcmcia_validate_mem(s)) + if (pcmcia_validate_mem(s)) { + ds_dbg(3, "validating mem resources failed, " + "delaying card_add\n"); return -EAGAIN; /* try again, but later... */ + } ret = pccard_validate_cis(s, BIND_FN_ALL, &cisinfo); if (ret || !cisinfo.Chains) { @@ -655,6 +678,7 @@ static int pcmcia_card_add(struct pcmcia_socket *s) static void pcmcia_delayed_add_device(void *data) { struct pcmcia_socket *s = data; + ds_dbg(1, "adding additional device to %d\n", s->sock); pcmcia_device_add(s, s->pcmcia_state.mfc_pfc); s->pcmcia_state.device_add_pending = 0; s->pcmcia_state.mfc_pfc = 0; @@ -663,8 +687,11 @@ static void pcmcia_delayed_add_device(void *data) static int pcmcia_requery(struct device *dev, void * _data) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - if (!p_dev->dev.driver) + if (!p_dev->dev.driver) { + ds_dbg(1, "update device information for %s\n", + p_dev->dev.bus_id); pcmcia_device_query(p_dev); + } return 0; } @@ -676,6 +703,8 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis) unsigned long flags; /* must be called with skt_mutex held */ + ds_dbg(0, "re-scanning socket %d\n", skt->sock); + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); if (list_empty(&skt->devices_list)) no_devices = 1; @@ -731,26 +760,38 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) if (!filename) return -EINVAL; - ds_dbg(1, "trying to load firmware %s\n", filename); + ds_dbg(1, "trying to load CIS file %s\n", filename); - if (strlen(filename) > 14) + if (strlen(filename) > 14) { + printk(KERN_WARNING "pcmcia: CIS filename is too long\n"); return -EINVAL; + } snprintf(path, 20, "%s", filename); if (request_firmware(&fw, path, &dev->dev) == 0) { - if (fw->size >= CISTPL_MAX_CIS_SIZE) + if (fw->size >= CISTPL_MAX_CIS_SIZE) { + ret = -EINVAL; + printk(KERN_ERR "pcmcia: CIS override is too big\n"); goto release; + } cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); - if (!cis) + if (!cis) { + ret = -ENOMEM; goto release; + } cis->Length = fw->size + 1; memcpy(cis->Data, fw->data, fw->size); if (!pcmcia_replace_cis(s, cis)) ret = 0; + else { + printk(KERN_ERR "pcmcia: CIS override failed\n"); + goto release; + } + /* update information */ pcmcia_device_query(dev); @@ -851,11 +892,14 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, * after it has re-checked that there is no possible module * with a prod_id/manf_id/card_id match. */ + ds_dbg(0, "skipping FUNC_ID match for %s until userspace " + "interaction\n", dev->dev.bus_id); if (!dev->allow_func_id_match) return 0; } if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) { + ds_dbg(0, "device %s needs a fake CIS\n", dev->dev.bus_id); if (!dev->socket->fake_cis) pcmcia_load_firmware(dev, did->cisfile); @@ -885,13 +929,21 @@ static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) { #ifdef CONFIG_PCMCIA_IOCTL /* matching by cardmgr */ - if (p_dev->cardmgr == p_drv) + if (p_dev->cardmgr == p_drv) { + ds_dbg(0, "cardmgr matched %s to %s\n", dev->bus_id, + drv->name); return 1; + } #endif while (did && did->match_flags) { - if (pcmcia_devmatch(p_dev, did)) + ds_dbg(3, "trying to match %s to %s\n", dev->bus_id, + drv->name); + if (pcmcia_devmatch(p_dev, did)) { + ds_dbg(0, "matched %s to %s\n", dev->bus_id, + drv->name); return 1; + } did++; } @@ -1082,6 +1134,8 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) struct pcmcia_driver *p_drv = NULL; int ret = 0; + ds_dbg(2, "suspending %s\n", dev->bus_id); + if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); @@ -1090,12 +1144,18 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) if (p_drv->suspend) { ret = p_drv->suspend(p_dev); - if (ret) + if (ret) { + printk(KERN_ERR "pcmcia: device %s (driver %s) did " + "not want to go to sleep (%d)\n", + p_dev->devname, p_drv->drv.name, ret); goto out; + } } - if (p_dev->device_no == p_dev->func) + if (p_dev->device_no == p_dev->func) { + ds_dbg(2, "releasing configuration for %s\n", dev->bus_id); pcmcia_release_configuration(p_dev); + } out: if (!ret) @@ -1110,6 +1170,8 @@ static int pcmcia_dev_resume(struct device * dev) struct pcmcia_driver *p_drv = NULL; int ret = 0; + ds_dbg(2, "resuming %s\n", dev->bus_id); + if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); @@ -1117,6 +1179,7 @@ static int pcmcia_dev_resume(struct device * dev) goto out; if (p_dev->device_no == p_dev->func) { + ds_dbg(2, "requesting configuration for %s\n", dev->bus_id); ret = pcmcia_request_configuration(p_dev, &p_dev->conf); if (ret) goto out; @@ -1158,12 +1221,14 @@ static int pcmcia_bus_resume_callback(struct device *dev, void * _data) static int pcmcia_bus_resume(struct pcmcia_socket *skt) { + ds_dbg(2, "resuming socket %d\n", skt->sock); bus_for_each_dev(&pcmcia_bus_type, NULL, skt, pcmcia_bus_resume_callback); return 0; } static int pcmcia_bus_suspend(struct pcmcia_socket *skt) { + ds_dbg(2, "suspending socket %d\n", skt->sock); if (bus_for_each_dev(&pcmcia_bus_type, NULL, skt, pcmcia_bus_suspend_callback)) { pcmcia_bus_resume(skt); -- cgit v1.2.3 From 1dd997f8fa5d52a473c77201a96efe3b66abc3d8 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sat, 2 Dec 2006 18:55:06 +0100 Subject: [PATCH] pcmcia: fix m32r_cfc.c compilation More fallout of the post 2.6.19-rc1 IRQ changes... Signed-off-by: Adrian Bunk Signed-off-by: Dominik Brodowski --- drivers/pcmcia/m32r_cfc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 36fdaa58458..3c22ac4625c 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -398,7 +398,7 @@ static irqreturn_t pcc_interrupt(int irq, void *dev) static void pcc_interrupt_wrapper(u_long data) { debug(3, "m32r_cfc: pcc_interrupt_wrapper:\n"); - pcc_interrupt(0, NULL, NULL); + pcc_interrupt(0, NULL); init_timer(&poll_timer); poll_timer.expires = jiffies + poll_interval; add_timer(&poll_timer); -- cgit v1.2.3 From 40a0017eb89c4c5a4bf81523edd867d730c9f143 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Mon, 4 Dec 2006 12:26:36 +0200 Subject: [PATCH] pcmcia: at91_cf update This is an update to the AT91 CompactFlash driver. We replace the hard-coded "chip select 4" with the chip-select value passed via platform_data. The configuration of the EBI memory controller to enable Compact Flash access is now also handled in the platform setup code and not in the driver. Signed-off-by: Andrew Victor Signed-off-by: Dominik Brodowski --- drivers/pcmcia/at91_cf.c | 35 +++-------------------------------- 1 file changed, 3 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index a8fa6c17fcf..b6746301d9a 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -157,9 +157,8 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) /* * Use 16 bit accesses unless/until we need 8-bit i/o space. - * Always set CSR4 ... PCMCIA won't always unmap things. */ - csr = at91_sys_read(AT91_SMC_CSR(4)) & ~AT91_SMC_DBW; + csr = at91_sys_read(AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW; /* * NOTE: this CF controller ignores IOIS16, so we can't really do @@ -178,7 +177,7 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) csr |= AT91_SMC_DBW_16; pr_debug("%s: 16bit i/o bus\n", driver_name); } - at91_sys_write(AT91_SMC_CSR(4), csr); + at91_sys_write(AT91_SMC_CSR(cf->board->chipselect), csr); io->start = cf->socket.io_offset; io->stop = io->start + SZ_2K - 1; @@ -222,7 +221,6 @@ static int __init at91_cf_probe(struct platform_device *pdev) struct at91_cf_socket *cf; struct at91_cf_data *board = pdev->dev.platform_data; struct resource *io; - unsigned int csa; int status; if (!board || !board->det_pin || !board->rst_pin) @@ -241,28 +239,6 @@ static int __init at91_cf_probe(struct platform_device *pdev) cf->phys_baseaddr = io->start; platform_set_drvdata(pdev, cf); - /* CF takes over CS4, CS5, CS6 */ - csa = at91_sys_read(AT91_EBI_CSA); - at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); - - /* nWAIT is _not_ a default setting */ - (void) at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ - - /* - * Static memory controller timing adjustments. - * REVISIT: these timings are in terms of MCK cycles, so - * when MCK changes (cpufreq etc) so must these values... - */ - at91_sys_write(AT91_SMC_CSR(4), - AT91_SMC_ACSS_STD - | AT91_SMC_DBW_16 - | AT91_SMC_BAT - | AT91_SMC_WSEN - | AT91_SMC_NWS_(32) /* wait states */ - | AT91_SMC_RWSETUP_(6) /* setup time */ - | AT91_SMC_RWHOLD_(4) /* hold time */ - ); - /* must be a GPIO; ergo must trigger on both edges */ status = request_irq(board->det_pin, at91_cf_irq, 0, driver_name, cf); if (status < 0) @@ -291,7 +267,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) goto fail1; } - /* reserve CS4, CS5, and CS6 regions; but use just CS4 */ + /* reserve chip-select regions */ if (!request_mem_region(io->start, io->end + 1 - io->start, driver_name)) { status = -ENXIO; @@ -327,7 +303,6 @@ fail0a: device_init_wakeup(&pdev->dev, 0); free_irq(board->det_pin, cf); fail0: - at91_sys_write(AT91_EBI_CSA, csa); kfree(cf); return status; } @@ -337,7 +312,6 @@ static int __exit at91_cf_remove(struct platform_device *pdev) struct at91_cf_socket *cf = platform_get_drvdata(pdev); struct at91_cf_data *board = cf->board; struct resource *io = cf->socket.io[0].res; - unsigned int csa; pcmcia_unregister_socket(&cf->socket); if (board->irq_pin) @@ -347,9 +321,6 @@ static int __exit at91_cf_remove(struct platform_device *pdev) iounmap((void __iomem *) cf->socket.io_offset); release_mem_region(io->start, io->end + 1 - io->start); - csa = at91_sys_read(AT91_EBI_CSA); - at91_sys_write(AT91_EBI_CSA, csa & ~AT91_EBI_CS4A); - kfree(cf); return 0; } -- cgit v1.2.3 From ee28b0da1069ced1688aa9d0b7b378353b988321 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 4 Dec 2006 22:05:09 +0000 Subject: [PATCH] remote memory corruptor in ibmtr.c ip_summed changes last summer had missed that one. As the result, we have ip_summed interpreted as CHECKSUM_PARTIAL now. IOW, ->csum is interpreted as offset of checksum in the packet. net/core/* will both read and modify the value as that offset, with obvious reasons. At the very least it's a remote memory corruptor. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/net/tokenring/ibmtr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index bfe59865b1d..0d97e10ccac 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -1826,7 +1826,7 @@ static void tr_rx(struct net_device *dev) skb->protocol = tr_type_trans(skb, dev); if (IPv4_p) { skb->csum = chksum; - skb->ip_summed = 1; + skb->ip_summed = CHECKSUM_COMPLETE; } netif_rx(skb); dev->last_rx = jiffies; -- cgit v1.2.3 From 9e86619b6d58806d1a8b67c12c5e3e3a74818fb6 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 5 Dec 2006 07:41:09 +0100 Subject: mmc: pxamci compilation fix since commit fcaf71fd51f9cfc504455d3e19ec242e4b2073ed struct mmc_host does not have a dev field. Retrieve the device with mmc_dev() instead. Signed-off-by: Sascha Hauer Signed-off-by: Pierre Ossman --- drivers/mmc/pxamci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c index 471e9f4e053..45a9283ce49 100644 --- a/drivers/mmc/pxamci.c +++ b/drivers/mmc/pxamci.c @@ -355,7 +355,7 @@ static int pxamci_get_ro(struct mmc_host *mmc) struct pxamci_host *host = mmc_priv(mmc); if (host->pdata && host->pdata->get_ro) - return host->pdata->get_ro(mmc->dev); + return host->pdata->get_ro(mmc_dev(mmc)); /* Host doesn't support read only detection so assume writeable */ return 0; } @@ -383,7 +383,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) host->power_mode = ios->power_mode; if (host->pdata && host->pdata->setpower) - host->pdata->setpower(mmc->dev, ios->vdd); + host->pdata->setpower(mmc_dev(mmc), ios->vdd); if (ios->power_mode == MMC_POWER_ON) host->cmdat |= CMDAT_INIT; -- cgit v1.2.3 From bf8c80a6a5153e7f170f240731c650eeed6d78ff Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Tue, 5 Dec 2006 07:43:38 +0100 Subject: mmc: fix au1xmmc build error This patch has fixed the following build error abou au1xmmc. drivers/mmc/au1xmmc.c: In function `au1xmmc_poll_event': drivers/mmc/au1xmmc.c:835: warning: unused variable `status' drivers/mmc/au1xmmc.c: At top level: drivers/mmc/au1xmmc.c:878: error: parse error before "const" drivers/mmc/au1xmmc.c: In function `au1xmmc_probe': drivers/mmc/au1xmmc.c:909: error: `au1xmmc_ops' undeclared (first use in this function) drivers/mmc/au1xmmc.c:909: error: (Each undeclared identifier is reported only once drivers/mmc/au1xmmc.c:909: error: for each function it appears in.) drivers/mmc/au1xmmc.c: At top level: drivers/mmc/au1xmmc.c:659: warning: 'au1xmmc_request' defined but not used drivers/mmc/au1xmmc.c:719: warning: 'au1xmmc_set_ios' defined but not used make[2]: *** [drivers/mmc/au1xmmc.o] Error 1 make[1]: *** [drivers/mmc] Error 2 make: *** [drivers] Error 2 Signed-off-by: Yoichi Yuasa Signed-off-by: Pierre Ossman --- drivers/mmc/au1xmmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c index 447fba5825f..800527cf40d 100644 --- a/drivers/mmc/au1xmmc.c +++ b/drivers/mmc/au1xmmc.c @@ -875,7 +875,7 @@ static void au1xmmc_init_dma(struct au1xmmc_host *host) host->rx_chan = rxchan; } -struct const mmc_host_ops au1xmmc_ops = { +static const struct mmc_host_ops au1xmmc_ops = { .request = au1xmmc_request, .set_ios = au1xmmc_set_ios, }; -- cgit v1.2.3 From e42ebefee15894522f3a84045887573ebc9b764e Mon Sep 17 00:00:00 2001 From: "akpm@osdl.org" Date: Mon, 4 Dec 2006 23:06:48 -0800 Subject: [SCSI] tgt: fix undefined flush_dcache_page() problem drivers/scsi/scsi_tgt_if.c: In function 'tgt_uspace_send_event': drivers/scsi/scsi_tgt_if.c:88: warning: implicit declaration of function 'flush_dcache_page' Signed-off-by: Andrew Morton Signed-off-by: James Bottomley --- drivers/scsi/scsi_tgt_if.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c index 28fd2223765..37bbfbdb870 100644 --- a/drivers/scsi/scsi_tgt_if.c +++ b/drivers/scsi/scsi_tgt_if.c @@ -29,6 +29,8 @@ #include #include +#include + #include "scsi_tgt_priv.h" struct tgt_ring { -- cgit v1.2.3 From 00769ec40074b753c9b218c2ccaba2bfbfffe056 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Sun, 3 Dec 2006 20:49:23 -0500 Subject: [SCSI] megaraid: fix MMIO casts megaraid's MMIO RD*/WR* macros directly call readl() and writel() with an 'unsigned long' argument. This throws a warning, but is otherwise OK because the 'unsigned long' is really the result of ioremap(). This setup is also OK because the variable can hold an ioremap cookie /or/ a PCI I/O port (PIO). However, to fix the warning thrown when readl() and writel() are passed an unsigned long cookie, I introduce 'void __iomem *mmio_base', holding the same value as 'base'. This will silence the warnings, and also cause an oops whenever these MMIO-only functions are ever accidentally passed an I/O address. Signed-off-by: Jeff Garzik Signed-off-by: James Bottomley --- drivers/scsi/megaraid.c | 13 ++++++++----- drivers/scsi/megaraid.h | 3 ++- 2 files changed, 10 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 86099fde1b2..77d9d3804cc 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -73,10 +73,10 @@ static unsigned short int max_mbox_busy_wait = MBOX_BUSY_WAIT; module_param(max_mbox_busy_wait, ushort, 0); MODULE_PARM_DESC(max_mbox_busy_wait, "Maximum wait for mailbox in microseconds if busy (default=MBOX_BUSY_WAIT=10)"); -#define RDINDOOR(adapter) readl((adapter)->base + 0x20) -#define RDOUTDOOR(adapter) readl((adapter)->base + 0x2C) -#define WRINDOOR(adapter,value) writel(value, (adapter)->base + 0x20) -#define WROUTDOOR(adapter,value) writel(value, (adapter)->base + 0x2C) +#define RDINDOOR(adapter) readl((adapter)->mmio_base + 0x20) +#define RDOUTDOOR(adapter) readl((adapter)->mmio_base + 0x2C) +#define WRINDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x20) +#define WROUTDOOR(adapter,value) writel(value, (adapter)->mmio_base + 0x2C) /* * Global variables @@ -1386,7 +1386,8 @@ megaraid_isr_memmapped(int irq, void *devp) handled = 1; - while( RDINDOOR(adapter) & 0x02 ) cpu_relax(); + while( RDINDOOR(adapter) & 0x02 ) + cpu_relax(); mega_cmd_done(adapter, completed, nstatus, status); @@ -4668,6 +4669,8 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->host_no, mega_baseport, irq); adapter->base = mega_baseport; + if (flag & BOARD_MEMMAP) + adapter->mmio_base = (void __iomem *) mega_baseport; INIT_LIST_HEAD(&adapter->free_list); INIT_LIST_HEAD(&adapter->pending_list); diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index 66529f11d23..c6e74643abe 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -801,7 +801,8 @@ typedef struct { clustering is available */ u32 flag; - unsigned long base; + unsigned long base; + void __iomem *mmio_base; /* mbox64 with mbox not aligned on 16-byte boundry */ mbox64_t *una_mbox64; -- cgit v1.2.3 From b4b8bed12345bc03dfcef80cbbe78582429b063c Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:24 -0800 Subject: [SCSI] stex: fix biosparam calculation Fix biosparam calculation. Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 185c270bb04..91d484c0dd9 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -1100,18 +1100,18 @@ static int stex_reset(struct scsi_cmnd *cmd) static int stex_biosparam(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[]) { - int heads = 255, sectors = 63, cylinders; + int heads = 255, sectors = 63; if (capacity < 0x200000) { heads = 64; sectors = 32; } - cylinders = sector_div(capacity, heads * sectors); + sector_div(capacity, heads * sectors); geom[0] = heads; geom[1] = sectors; - geom[2] = cylinders; + geom[2] = capacity; return 0; } -- cgit v1.2.3 From 4eea9dc45fa7feb42e6dce32d94ea9ea4d64e40b Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:28 -0800 Subject: [SCSI] stex: fix controller_info command handling This command needs information from both firmware and driver. First copy information from firmware to buffer, then fill in driver information. Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 91d484c0dd9..ea0d8246131 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -507,6 +507,7 @@ static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb) size_t count = sizeof(struct st_frame); p = hba->copy_buffer; + stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD); memset(p->base, 0, sizeof(u32)*6); *(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0); p->rom_addr = 0; -- cgit v1.2.3 From 47c4f997c7bd9ab142c65950317232728b921aa0 Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:31 -0800 Subject: [SCSI] stex: add value check in hard reset routine During hard reset, an all-1 value from PCI_COMMAND should be invalid. Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index ea0d8246131..92dbac03c2e 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -1041,7 +1041,7 @@ static void stex_hard_reset(struct st_hba *hba) for (i = 0; i < MU_MAX_DELAY_TIME; i++) { pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd); - if (pci_cmd & PCI_COMMAND_MASTER) + if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER)) break; msleep(1); } -- cgit v1.2.3 From 529e7a62c8016ab7d3ef4ef6d39de23c0569781f Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:34 -0800 Subject: [SCSI] stex: adjust default queue length Firmware of new version may adjust default queue length. It is backward compatible. Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 92dbac03c2e..a20cbd9d325 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -78,6 +78,7 @@ enum { MU_MAX_DELAY_TIME = 240000, MU_HANDSHAKE_SIGNATURE = 0x55aaaa55, + MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000, HMU_PARTNER_TYPE = 2, /* firmware returned values */ @@ -902,6 +903,7 @@ static int stex_handshake(struct st_hba *hba) void __iomem *base = hba->mmio_base; struct handshake_frame *h; dma_addr_t status_phys; + u32 data; int i; if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { @@ -923,6 +925,13 @@ static int stex_handshake(struct st_hba *hba) udelay(10); + data = readl(base + OMR1); + if ((data & 0xffff0000) == MU_HANDSHAKE_SIGNATURE_HALF) { + data &= 0x0000ffff; + if (hba->host->can_queue > data) + hba->host->can_queue = data; + } + h = (struct handshake_frame *)(hba->dma_mem + MU_REQ_BUFFER_SIZE); h->rb_phy = cpu_to_le32(hba->dma_handle); h->rb_phy_hi = cpu_to_le32((hba->dma_handle >> 16) >> 16); @@ -1234,7 +1243,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (err) goto out_free_irq; - err = scsi_init_shared_tag_map(host, ST_CAN_QUEUE); + err = scsi_init_shared_tag_map(host, host->can_queue); if (err) { printk(KERN_ERR DRV_NAME "(%s): init shared queue failed\n", pci_name(pdev)); -- cgit v1.2.3 From ee926b27a01da1c1f0f0017c0e6af6e4fd6c05b5 Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:36 -0800 Subject: [SCSI] stex: update device id info - add comments for various devices - remove unused device ids(0xf350, 0x4301, 0x8301, 0x8302) - add new device id(0xe350) - fix vendor id of st_vsc - modify Kconfig help info Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/Kconfig | 9 +++++++-- drivers/scsi/stex.c | 35 ++++++++++++++++++++++++++--------- 2 files changed, 33 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 1b4bfaabcfb..69569096dae 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -982,8 +982,13 @@ config SCSI_STEX tristate "Promise SuperTrak EX Series support" depends on PCI && SCSI ---help--- - This driver supports Promise SuperTrak EX8350/8300/16350/16300 - Storage controllers. + This driver supports Promise SuperTrak EX series storage controllers. + + Promise provides Linux RAID configuration utility for these + controllers. Please visit to download. + + To compile this driver as a module, choose M here: the + module will be called stex. config SCSI_SYM53C8XX_2 tristate "SYM53C8XX Version 2 SCSI support" diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index a20cbd9d325..0fd115c04e5 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -1356,15 +1356,32 @@ static void stex_shutdown(struct pci_dev *pdev) } static struct pci_device_id stex_pci_tbl[] = { - { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0xf350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x8301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x105a, 0x8302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_shasta }, - { 0x1725, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc }, - { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_yosemite }, + /* st_shasta */ + { 0x105a, 0x8350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX8350/8300/16350/16300 */ + { 0x105a, 0xc350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX12350 */ + { 0x105a, 0x4302, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX4350 */ + { 0x105a, 0xe350, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_shasta }, /* SuperTrak EX24350 */ + + /* st_vsc */ + { 0x105a, 0x7250, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_vsc }, + + /* st_yosemite */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x4600, 0, 0, + st_yosemite }, /* SuperTrak EX4650 */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x4610, 0, 0, + st_yosemite }, /* SuperTrak EX4650o */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8600, 0, 0, + st_yosemite }, /* SuperTrak EX8650EL */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8601, 0, 0, + st_yosemite }, /* SuperTrak EX8650 */ + { 0x105a, 0x8650, PCI_ANY_ID, 0x8602, 0, 0, + st_yosemite }, /* SuperTrak EX8654 */ + { 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + st_yosemite }, /* generic st_yosemite */ { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, stex_pci_tbl); -- cgit v1.2.3 From 94e9108b5ad8da9c02ebf5183b861f1717409555 Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:39 -0800 Subject: [SCSI] stex: add new device type support Add support for st_vsc1 type device (st_vsc is ok because it does not require extra buffer). Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 0fd115c04e5..bfd7983045b 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -121,7 +121,8 @@ enum { st_shasta = 0, st_vsc = 1, - st_yosemite = 2, + st_vsc1 = 2, + st_yosemite = 3, PASSTHRU_REQ_TYPE = 0x00000001, PASSTHRU_REQ_NO_WAKEUP = 0x00000100, @@ -151,6 +152,8 @@ enum { MGT_CMD_SIGNATURE = 0xba, INQUIRY_EVPD = 0x01, + + ST_ADDITIONAL_MEM = 0x200000, }; /* SCSI inquiry data */ @@ -212,7 +215,9 @@ struct handshake_frame { __le32 partner_ver_minor; __le32 partner_ver_oem; __le32 partner_ver_build; - u32 reserved1[4]; + __le32 extra_offset; /* NEW */ + __le32 extra_size; /* NEW */ + u32 reserved1[2]; }; struct req_msg { @@ -303,6 +308,7 @@ struct st_hba { void __iomem *mmio_base; /* iomapped PCI memory space */ void *dma_mem; dma_addr_t dma_handle; + size_t dma_size; struct Scsi_Host *host; struct pci_dev *pdev; @@ -941,6 +947,11 @@ static int stex_handshake(struct st_hba *hba) h->status_cnt = cpu_to_le16(MU_STATUS_COUNT); stex_gettime(&h->hosttime); h->partner_type = HMU_PARTNER_TYPE; + if (hba->dma_size > STEX_BUFFER_SIZE) { + h->extra_offset = cpu_to_le32(STEX_BUFFER_SIZE); + h->extra_size = cpu_to_le32(ST_ADDITIONAL_MEM); + } else + h->extra_offset = h->extra_size = 0; status_phys = hba->dma_handle + MU_REQ_BUFFER_SIZE; writel(status_phys, base + IMR0); @@ -1203,8 +1214,13 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_iounmap; } + hba->cardtype = (unsigned int) id->driver_data; + if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1) + hba->cardtype = st_vsc1; + hba->dma_size = (hba->cardtype == st_vsc1) ? + (STEX_BUFFER_SIZE + ST_ADDITIONAL_MEM) : (STEX_BUFFER_SIZE); hba->dma_mem = dma_alloc_coherent(&pdev->dev, - STEX_BUFFER_SIZE, &hba->dma_handle, GFP_KERNEL); + hba->dma_size, &hba->dma_handle, GFP_KERNEL); if (!hba->dma_mem) { err = -ENOMEM; printk(KERN_ERR DRV_NAME "(%s): dma mem alloc failed\n", @@ -1217,8 +1233,6 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE; hba->mu_status = MU_STATE_STARTING; - hba->cardtype = (unsigned int) id->driver_data; - /* firmware uses id/lun pair for a logical drive, but lun would be always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use channel to map lun here */ @@ -1266,7 +1280,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) out_free_irq: free_irq(pdev->irq, hba); out_pci_free: - dma_free_coherent(&pdev->dev, STEX_BUFFER_SIZE, + dma_free_coherent(&pdev->dev, hba->dma_size, hba->dma_mem, hba->dma_handle); out_iounmap: iounmap(hba->mmio_base); @@ -1327,7 +1341,7 @@ static void stex_hba_free(struct st_hba *hba) pci_release_regions(hba->pdev); - dma_free_coherent(&hba->pdev->dev, STEX_BUFFER_SIZE, + dma_free_coherent(&hba->pdev->dev, hba->dma_size, hba->dma_mem, hba->dma_handle); } -- cgit v1.2.3 From 76fbf96f82636c8cdc40485506c50c880fd45a56 Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:42 -0800 Subject: [SCSI] stex: change wait loop code The original wait loop may be much longer than intended time. Use more accurate timer_after for it. Also adjust wait value to avoid unnecessary long waiting. Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 41 ++++++++++++++++++++--------------------- 1 file changed, 20 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index bfd7983045b..7edbcc9bc9d 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -76,9 +76,10 @@ enum { MU_STATE_STARTED = 4, MU_STATE_RESETTING = 5, - MU_MAX_DELAY_TIME = 240000, + MU_MAX_DELAY = 120, MU_HANDSHAKE_SIGNATURE = 0x55aaaa55, MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000, + MU_HARD_RESET_WAIT = 30000, HMU_PARTNER_TYPE = 2, /* firmware returned values */ @@ -910,23 +911,22 @@ static int stex_handshake(struct st_hba *hba) struct handshake_frame *h; dma_addr_t status_phys; u32 data; - int i; + unsigned long before; if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { writel(MU_INBOUND_DOORBELL_HANDSHAKE, base + IDBL); readl(base + IDBL); - for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE - && i < MU_MAX_DELAY_TIME; i++) { + before = jiffies; + while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { + if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) { + printk(KERN_ERR DRV_NAME + "(%s): no handshake signature\n", + pci_name(hba->pdev)); + return -1; + } rmb(); msleep(1); } - - if (i == MU_MAX_DELAY_TIME) { - printk(KERN_ERR DRV_NAME - "(%s): no handshake signature\n", - pci_name(hba->pdev)); - return -1; - } } udelay(10); @@ -965,19 +965,18 @@ static int stex_handshake(struct st_hba *hba) readl(base + IDBL); /* flush */ udelay(10); - for (i = 0; readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE - && i < MU_MAX_DELAY_TIME; i++) { + before = jiffies; + while (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { + if (time_after(jiffies, before + MU_MAX_DELAY * HZ)) { + printk(KERN_ERR DRV_NAME + "(%s): no signature after handshake frame\n", + pci_name(hba->pdev)); + return -1; + } rmb(); msleep(1); } - if (i == MU_MAX_DELAY_TIME) { - printk(KERN_ERR DRV_NAME - "(%s): no signature after handshake frame\n", - pci_name(hba->pdev)); - return -1; - } - writel(0, base + IMR0); readl(base + IMR0); writel(0, base + OMR0); @@ -1059,7 +1058,7 @@ static void stex_hard_reset(struct st_hba *hba) pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl); - for (i = 0; i < MU_MAX_DELAY_TIME; i++) { + for (i = 0; i < MU_HARD_RESET_WAIT; i++) { pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd); if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER)) break; -- cgit v1.2.3 From febb631c11d450473a1648a4b808ab3bb9f139cb Mon Sep 17 00:00:00 2001 From: Ed Lin Date: Mon, 4 Dec 2006 17:49:46 -0800 Subject: [SCSI] stex: version update Update version to 3.1.0.1 Signed-off-by: Ed Lin Signed-off-by: James Bottomley --- drivers/scsi/stex.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 7edbcc9bc9d..ba6bcdaf2a6 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -11,8 +11,6 @@ * Written By: * Ed Lin * - * Version: 3.0.0.1 - * */ #include @@ -37,9 +35,9 @@ #include #define DRV_NAME "stex" -#define ST_DRIVER_VERSION "3.0.0.1" +#define ST_DRIVER_VERSION "3.1.0.1" #define ST_VER_MAJOR 3 -#define ST_VER_MINOR 0 +#define ST_VER_MINOR 1 #define ST_OEM 0 #define ST_BUILD_VER 1 -- cgit v1.2.3 From 6d5aefb8eaa38e44b5b8cf60c812aceafc02d924 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 5 Dec 2006 19:36:26 +0000 Subject: WorkQueue: Fix up arch-specific work items where possible Fix up arch-specific work items where possible to use the new work_struct and delayed_work structs. Three places that enqueue bits of their stack and then return have been marked with #error as this is not permitted. Signed-Off-By: David Howells --- drivers/macintosh/rack-meter.c | 16 ++++++++++------ drivers/net/chelsio/cphy.h | 2 +- drivers/net/chelsio/my3126.c | 8 +++++--- drivers/net/netxen/netxen_nic.h | 3 ++- drivers/net/netxen/netxen_nic_init.c | 5 +++-- drivers/net/netxen/netxen_nic_main.c | 19 ++++++++++--------- drivers/net/smc91x.c | 15 +++++++++------ drivers/net/wireless/zd1211rw/zd_mac.c | 23 +++++++++++++---------- drivers/net/wireless/zd1211rw/zd_mac.h | 4 ++-- drivers/spi/pxa2xx_spi.c | 9 +++++---- drivers/usb/core/hub.c | 2 +- drivers/usb/misc/appledisplay.c | 11 ++++++----- drivers/video/pxafb.c | 7 ++++--- 13 files changed, 71 insertions(+), 53 deletions(-) (limited to 'drivers') diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c index f1b6f563673..5ed41fe84e5 100644 --- a/drivers/macintosh/rack-meter.c +++ b/drivers/macintosh/rack-meter.c @@ -48,7 +48,8 @@ struct rackmeter_dma { } ____cacheline_aligned; struct rackmeter_cpu { - struct work_struct sniffer; + struct delayed_work sniffer; + struct rackmeter *rm; cputime64_t prev_wall; cputime64_t prev_idle; int zero; @@ -208,11 +209,12 @@ static void rackmeter_setup_dbdma(struct rackmeter *rm) rackmeter_do_pause(rm, 0); } -static void rackmeter_do_timer(void *data) +static void rackmeter_do_timer(struct work_struct *work) { - struct rackmeter *rm = data; + struct rackmeter_cpu *rcpu = + container_of(work, struct rackmeter_cpu, sniffer.work); + struct rackmeter *rm = rcpu->rm; unsigned int cpu = smp_processor_id(); - struct rackmeter_cpu *rcpu = &rm->cpu[cpu]; cputime64_t cur_jiffies, total_idle_ticks; unsigned int total_ticks, idle_ticks; int i, offset, load, cumm, pause; @@ -263,8 +265,10 @@ static void __devinit rackmeter_init_cpu_sniffer(struct rackmeter *rm) * on those machines yet */ - INIT_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer, rm); - INIT_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer, rm); + rm->cpu[0].rm = rm; + INIT_DELAYED_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer); + rm->cpu[1].rm = rm; + INIT_DELAYED_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer); for_each_online_cpu(cpu) { struct rackmeter_cpu *rcpu; diff --git a/drivers/net/chelsio/cphy.h b/drivers/net/chelsio/cphy.h index 60901f25014..cf914349988 100644 --- a/drivers/net/chelsio/cphy.h +++ b/drivers/net/chelsio/cphy.h @@ -91,7 +91,7 @@ struct cphy { int state; /* Link status state machine */ adapter_t *adapter; /* associated adapter */ - struct work_struct phy_update; + struct delayed_work phy_update; u16 bmsr; int count; diff --git a/drivers/net/chelsio/my3126.c b/drivers/net/chelsio/my3126.c index 0b90014d5b3..c7731b6f9de 100644 --- a/drivers/net/chelsio/my3126.c +++ b/drivers/net/chelsio/my3126.c @@ -93,9 +93,11 @@ static int my3126_interrupt_handler(struct cphy *cphy) return cphy_cause_link_change; } -static void my3216_poll(void *arg) +static void my3216_poll(struct work_struct *work) { - my3126_interrupt_handler(arg); + struct cphy *cphy = container_of(work, struct cphy, phy_update.work); + + my3126_interrupt_handler(cphy); } static int my3126_set_loopback(struct cphy *cphy, int on) @@ -171,7 +173,7 @@ static struct cphy *my3126_phy_create(adapter_t *adapter, if (cphy) cphy_init(cphy, adapter, phy_addr, &my3126_ops, mdio_ops); - INIT_WORK(&cphy->phy_update, my3216_poll, cphy); + INIT_DELAYED_WORK(&cphy->phy_update, my3216_poll); cphy->bmsr = 0; return (cphy); diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index d925053fe59..9c588af8ab7 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -714,6 +714,7 @@ struct netxen_adapter { spinlock_t lock; struct work_struct watchdog_task; struct work_struct tx_timeout_task; + struct net_device *netdev; struct timer_list watchdog_timer; u32 curr_window; @@ -921,7 +922,7 @@ netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data, struct netxen_port *port); int netxen_nic_rx_has_work(struct netxen_adapter *adapter); int netxen_nic_tx_has_work(struct netxen_adapter *adapter); -void netxen_watchdog_task(unsigned long v); +void netxen_watchdog_task(struct work_struct *work); void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid); void netxen_process_cmd_ring(unsigned long data); diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 0dca029bc3e..eae18236aef 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -710,12 +710,13 @@ static inline int netxen_nic_check_temp(struct netxen_adapter *adapter) return rv; } -void netxen_watchdog_task(unsigned long v) +void netxen_watchdog_task(struct work_struct *work) { int port_num; struct netxen_port *port; struct net_device *netdev; - struct netxen_adapter *adapter = (struct netxen_adapter *)v; + struct netxen_adapter *adapter = + container_of(work, struct netxen_adapter, watchdog_task); if (netxen_nic_check_temp(adapter)) return; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 1cb662d5bd7..df0bb36a1cf 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -64,7 +64,7 @@ static int netxen_nic_open(struct net_device *netdev); static int netxen_nic_close(struct net_device *netdev); static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *); static void netxen_tx_timeout(struct net_device *netdev); -static void netxen_tx_timeout_task(struct net_device *netdev); +static void netxen_tx_timeout_task(struct work_struct *work); static void netxen_watchdog(unsigned long); static int netxen_handle_int(struct netxen_adapter *, struct net_device *); static int netxen_nic_ioctl(struct net_device *netdev, @@ -274,8 +274,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->ahw.xg_linkup = 0; adapter->watchdog_timer.function = &netxen_watchdog; adapter->watchdog_timer.data = (unsigned long)adapter; - INIT_WORK(&adapter->watchdog_task, - (void (*)(void *))netxen_watchdog_task, adapter); + INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task); adapter->ahw.pdev = pdev; adapter->proc_cmd_buf_counter = 0; pci_read_config_byte(pdev, PCI_REVISION_ID, &adapter->ahw.revision_id); @@ -379,8 +378,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_addr); } } - INIT_WORK(&adapter->tx_timeout_task, - (void (*)(void *))netxen_tx_timeout_task, netdev); + adapter->netdev = netdev; + INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task); netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -938,18 +937,20 @@ static void netxen_tx_timeout(struct net_device *netdev) schedule_work(&adapter->tx_timeout_task); } -static void netxen_tx_timeout_task(struct net_device *netdev) +static void netxen_tx_timeout_task(struct work_struct *work) { - struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); + struct netxen_adapter *adapter = + container_of(work, struct netxen_adapter, tx_timeout_task); + struct net_device *netdev = adapter->netdev; unsigned long flags; printk(KERN_ERR "%s %s: transmit timeout, resetting.\n", netxen_nic_driver_name, netdev->name); - spin_lock_irqsave(&port->adapter->lock, flags); + spin_lock_irqsave(&adapter->lock, flags); netxen_nic_close(netdev); netxen_nic_open(netdev); - spin_unlock_irqrestore(&port->adapter->lock, flags); + spin_unlock_irqrestore(&adapter->lock, flags); netdev->trans_start = jiffies; netif_wake_queue(netdev); } diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index 95b6478f55c..e62a9586fb9 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -210,6 +210,7 @@ struct smc_local { /* work queue */ struct work_struct phy_configure; + struct net_device *dev; int work_pending; spinlock_t lock; @@ -1114,10 +1115,11 @@ static void smc_phy_check_media(struct net_device *dev, int init) * of autonegotiation.) If the RPC ANEG bit is cleared, the selection * is controlled by the RPC SPEED and RPC DPLX bits. */ -static void smc_phy_configure(void *data) +static void smc_phy_configure(struct work_struct *work) { - struct net_device *dev = data; - struct smc_local *lp = netdev_priv(dev); + struct smc_local *lp = + container_of(work, struct smc_local, phy_configure); + struct net_device *dev = lp->dev; void __iomem *ioaddr = lp->base; int phyaddr = lp->mii.phy_id; int my_phy_caps; /* My PHY capabilities */ @@ -1592,7 +1594,7 @@ smc_open(struct net_device *dev) /* Configure the PHY, initialize the link state */ if (lp->phy_type != 0) - smc_phy_configure(dev); + smc_phy_configure(&lp->phy_configure); else { spin_lock_irq(&lp->lock); smc_10bt_check_media(dev, 1); @@ -1972,7 +1974,8 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr) #endif tasklet_init(&lp->tx_task, smc_hardware_send_pkt, (unsigned long)dev); - INIT_WORK(&lp->phy_configure, smc_phy_configure, dev); + INIT_WORK(&lp->phy_configure, smc_phy_configure); + lp->dev = dev; lp->mii.phy_id_mask = 0x1f; lp->mii.reg_num_mask = 0x1f; lp->mii.force_media = 0; @@ -2322,7 +2325,7 @@ static int smc_drv_resume(struct platform_device *dev) smc_reset(ndev); smc_enable(ndev); if (lp->phy_type != 0) - smc_phy_configure(ndev); + smc_phy_configure(&lp->phy_configure); netif_device_attach(ndev); } } diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 44f3cfd4cc1..f1573a9c233 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -32,8 +32,8 @@ static void ieee_init(struct ieee80211_device *ieee); static void softmac_init(struct ieee80211softmac_device *sm); -static void set_rts_cts_work(void *d); -static void set_basic_rates_work(void *d); +static void set_rts_cts_work(struct work_struct *work); +static void set_basic_rates_work(struct work_struct *work); static void housekeeping_init(struct zd_mac *mac); static void housekeeping_enable(struct zd_mac *mac); @@ -48,8 +48,8 @@ int zd_mac_init(struct zd_mac *mac, memset(mac, 0, sizeof(*mac)); spin_lock_init(&mac->lock); mac->netdev = netdev; - INIT_WORK(&mac->set_rts_cts_work, set_rts_cts_work, mac); - INIT_WORK(&mac->set_basic_rates_work, set_basic_rates_work, mac); + INIT_DELAYED_WORK(&mac->set_rts_cts_work, set_rts_cts_work); + INIT_DELAYED_WORK(&mac->set_basic_rates_work, set_basic_rates_work); ieee_init(ieee); softmac_init(ieee80211_priv(netdev)); @@ -366,9 +366,10 @@ static void try_enable_tx(struct zd_mac *mac) spin_unlock_irqrestore(&mac->lock, flags); } -static void set_rts_cts_work(void *d) +static void set_rts_cts_work(struct work_struct *work) { - struct zd_mac *mac = d; + struct zd_mac *mac = + container_of(work, struct zd_mac, set_rts_cts_work.work); unsigned long flags; u8 rts_rate; unsigned int short_preamble; @@ -387,9 +388,10 @@ static void set_rts_cts_work(void *d) try_enable_tx(mac); } -static void set_basic_rates_work(void *d) +static void set_basic_rates_work(struct work_struct *work) { - struct zd_mac *mac = d; + struct zd_mac *mac = + container_of(work, struct zd_mac, set_basic_rates_work.work); unsigned long flags; u16 basic_rates; @@ -467,12 +469,13 @@ static void bssinfo_change(struct net_device *netdev, u32 changes) if (need_set_rts_cts && !mac->updating_rts_rate) { mac->updating_rts_rate = 1; netif_stop_queue(mac->netdev); - queue_work(zd_workqueue, &mac->set_rts_cts_work); + queue_delayed_work(zd_workqueue, &mac->set_rts_cts_work, 0); } if (need_set_rates && !mac->updating_basic_rates) { mac->updating_basic_rates = 1; netif_stop_queue(mac->netdev); - queue_work(zd_workqueue, &mac->set_basic_rates_work); + queue_delayed_work(zd_workqueue, &mac->set_basic_rates_work, + 0); } spin_unlock_irqrestore(&mac->lock, flags); } diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 08d6b8c08e7..d4e8b870409 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -133,8 +133,8 @@ struct zd_mac { struct iw_statistics iw_stats; struct housekeeping housekeeping; - struct work_struct set_rts_cts_work; - struct work_struct set_basic_rates_work; + struct delayed_work set_rts_cts_work; + struct delayed_work set_basic_rates_work; unsigned int stats_count; u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE]; diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 72025df5561..494d9b85648 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -148,7 +148,7 @@ struct chip_data { void (*cs_control)(u32 command); }; -static void pump_messages(void *data); +static void pump_messages(struct work_struct *work); static int flush(struct driver_data *drv_data) { @@ -884,9 +884,10 @@ static void pump_transfers(unsigned long data) } } -static void pump_messages(void *data) +static void pump_messages(struct work_struct *work) { - struct driver_data *drv_data = data; + struct driver_data *drv_data = + container_of(work, struct driver_data, pump_messages); unsigned long flags; /* Lock queue and check for queue work */ @@ -1098,7 +1099,7 @@ static int init_queue(struct driver_data *drv_data) tasklet_init(&drv_data->pump_transfers, pump_transfers, (unsigned long)drv_data); - INIT_WORK(&drv_data->pump_messages, pump_messages, drv_data); + INIT_WORK(&drv_data->pump_messages, pump_messages); drv_data->workqueue = create_singlethread_workqueue( drv_data->master->cdev.dev->bus_id); if (drv_data->workqueue == NULL) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 39186db1015..9be41ed1f9a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -68,7 +68,7 @@ struct usb_hub { unsigned has_indicators:1; u8 indicator[USB_MAXCHILDREN]; - struct work_struct leds; + struct delayed_work leds; }; diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index ba30ca6a14a..02cbb7fff24 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -76,7 +76,7 @@ struct appledisplay { char *urbdata; /* interrupt URB data buffer */ char *msgdata; /* control message data buffer */ - struct work_struct work; + struct delayed_work work; int button_pressed; spinlock_t lock; }; @@ -117,7 +117,7 @@ static void appledisplay_complete(struct urb *urb) case ACD_BTN_BRIGHT_UP: case ACD_BTN_BRIGHT_DOWN: pdata->button_pressed = 1; - queue_work(wq, &pdata->work); + queue_delayed_work(wq, &pdata->work, 0); break; case ACD_BTN_NONE: default: @@ -184,9 +184,10 @@ static struct backlight_properties appledisplay_bl_data = { .max_brightness = 0xFF }; -static void appledisplay_work(void *private) +static void appledisplay_work(struct work_struct *work) { - struct appledisplay *pdata = private; + struct appledisplay *pdata = + container_of(work, struct appledisplay, work.work); int retval; up(&pdata->bd->sem); @@ -238,7 +239,7 @@ static int appledisplay_probe(struct usb_interface *iface, pdata->udev = udev; spin_lock_init(&pdata->lock); - INIT_WORK(&pdata->work, appledisplay_work, pdata); + INIT_DELAYED_WORK(&pdata->work, appledisplay_work); /* Allocate buffer for control messages */ pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL); diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 8a8ae55a740..38eb0b69c2d 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -964,9 +964,10 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state) * Our LCD controller task (which is called when we blank or unblank) * via keventd. */ -static void pxafb_task(void *dummy) +static void pxafb_task(struct work_struct *work) { - struct pxafb_info *fbi = dummy; + struct pxafb_info *fbi = + container_of(work, struct pxafb_info, task); u_int state = xchg(&fbi->task_state, -1); set_ctrlr_state(fbi, state); @@ -1159,7 +1160,7 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev) } init_waitqueue_head(&fbi->ctrlr_wait); - INIT_WORK(&fbi->task, pxafb_task, fbi); + INIT_WORK(&fbi->task, pxafb_task); init_MUTEX(&fbi->ctrlr_sem); return fbi; -- cgit v1.2.3 From d32adcb85c74fd81963714689842993e7014515f Mon Sep 17 00:00:00 2001 From: "Salyzyn, Mark" Date: Tue, 5 Dec 2006 14:37:30 -0500 Subject: [SCSI] aic79xx: Add ASC-29320LPE ids to driver Simple patch to add the new PCIe version of the 29320 card. Signed-off: Mark Salyzyn Signed-off-by: James Bottomley --- drivers/scsi/aic7xxx/aic79xx_osm_pci.c | 1 + drivers/scsi/aic7xxx/aic79xx_pci.c | 8 +++++++- drivers/scsi/aic7xxx/aic79xx_pci.h | 1 + 3 files changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c index 2001fe890e7..1a3ab6aa856 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c @@ -62,6 +62,7 @@ static struct pci_device_id ahd_linux_pci_id_table[] = { /* aic7901 based controllers */ ID(ID_AHA_29320A), ID(ID_AHA_29320ALP), + ID(ID_AHA_29320LPE), /* aic7902 based controllers */ ID(ID_AHA_29320), ID(ID_AHA_29320B), diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c index c07735819cd..2cf7bb3123f 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.c +++ b/drivers/scsi/aic7xxx/aic79xx_pci.c @@ -109,7 +109,13 @@ static struct ahd_pci_identity ahd_pci_ident_table [] = { ID_AHA_29320ALP, ID_ALL_MASK, - "Adaptec 29320ALP Ultra320 SCSI adapter", + "Adaptec 29320ALP PCIx Ultra320 SCSI adapter", + ahd_aic7901_setup + }, + { + ID_AHA_29320LPE, + ID_ALL_MASK, + "Adaptec 29320LPE PCIe Ultra320 SCSI adapter", ahd_aic7901_setup }, /* aic7901A based controllers */ diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.h b/drivers/scsi/aic7xxx/aic79xx_pci.h index da45153668c..16b7c70a673 100644 --- a/drivers/scsi/aic7xxx/aic79xx_pci.h +++ b/drivers/scsi/aic7xxx/aic79xx_pci.h @@ -51,6 +51,7 @@ #define ID_AIC7901 0x800F9005FFFF9005ull #define ID_AHA_29320A 0x8000900500609005ull #define ID_AHA_29320ALP 0x8017900500449005ull +#define ID_AHA_29320LPE 0x8017900500459005ull #define ID_AIC7901A 0x801E9005FFFF9005ull #define ID_AHA_29320LP 0x8014900500449005ull -- cgit v1.2.3 From 383956a9c59157db4c404d1c8bb9074b8dfe3ee0 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Fri, 1 Dec 2006 00:56:50 +0000 Subject: [PATCH] zd1211rw: zd_mac_rx isn't always called in IRQ context e.g. usb 1-7: rx_urb_complete() *** first fragment *** usb 1-7: rx_urb_complete() *** second fragment *** drivers/net/wireless/zd1211rw/zd_mac.c:1063 ASSERT (((current_thread_info()->preempt_count) & (((1UL << (12))-1) << ((0 + 8) + 8)))) VIOLATED! [] zd_mac_rx+0x3e7/0x47a [zd1211rw] [] rx_urb_complete+0x22d/0x24a [zd1211rw] [] urb_destroy+0x0/0x5 [] kref_put+0x65/0x72 [] usb_hcd_giveback_urb+0x28/0x57 [] qh_completions+0x296/0x2f6 [] ehci_urb_done+0x70/0x7a [] qh_completions+0x73/0x2f6 [] ehci_work+0x98/0x538 Remove the bogus assertion, and use dev_kfree_skb_any as pointed out by Ulrich Kunitz. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_mac.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 2696f95b927..d7a86b188a9 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -1059,10 +1059,8 @@ int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length) memcpy(skb_put(skb, length), buffer, length); r = ieee80211_rx(ieee, skb, &stats); - if (!r) { - ZD_ASSERT(in_irq()); - dev_kfree_skb_irq(skb); - } + if (!r) + dev_kfree_skb_any(skb); return 0; } -- cgit v1.2.3 From ff9b99bcccee8449afd23ddc28f8b4b7aec996ea Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Fri, 1 Dec 2006 00:57:11 +0000 Subject: [PATCH] zd1211rw: Fill enc_capa in GIWRANGE handler This is needed for NetworkManager users to connect to WPA networks. Pointed out by Matthew Campbell. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_mac.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index d7a86b188a9..bd1593e13f8 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -615,6 +615,9 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range) range->we_version_compiled = WIRELESS_EXT; range->we_version_source = 20; + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | + IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; + ZD_ASSERT(!irqs_disabled()); spin_lock_irq(&mac->lock); regdomain = mac->regdomain; -- cgit v1.2.3 From 9cdac9657fda58ae39c2bbc8be396f5530ed8398 Mon Sep 17 00:00:00 2001 From: Ulrich Kunitz Date: Fri, 1 Dec 2006 00:58:07 +0000 Subject: [PATCH] zd1211rw: Support for multicast addresses Support for multicast adresses is implemented by supporting the set_multicast_list() function of the network device. Address filtering is supported by a group hash table in the device. This is based on earlier work by Benoit Papillaut. Fixes multicast packet reception and ipv6 connectivity: http://bugzilla.kernel.org/show_bug.cgi?id=7424 http://bugzilla.kernel.org/show_bug.cgi?id=7425 Signed-off-by: Ulrich Kunitz Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_chip.c | 13 +++++++++ drivers/net/wireless/zd1211rw/zd_chip.h | 43 +++++++++++++++++++++++++++++- drivers/net/wireless/zd1211rw/zd_mac.c | 44 ++++++++++++++++++++++++++++++- drivers/net/wireless/zd1211rw/zd_mac.h | 3 +++ drivers/net/wireless/zd1211rw/zd_netdev.c | 2 +- 5 files changed, 102 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index 8be99ebbe1c..77e11ddad83 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -1673,3 +1673,16 @@ int zd_rfwritev_cr_locked(struct zd_chip *chip, return 0; } + +int zd_chip_set_multicast_hash(struct zd_chip *chip, + struct zd_mc_hash *hash) +{ + struct zd_ioreq32 ioreqs[] = { + { CR_GROUP_HASH_P1, hash->low }, + { CR_GROUP_HASH_P2, hash->high }, + }; + + dev_dbg_f(zd_chip_dev(chip), "hash l 0x%08x h 0x%08x\n", + ioreqs[0].value, ioreqs[1].value); + return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs)); +} diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index ca892b9a644..a4e3cee9b59 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -390,10 +390,19 @@ #define CR_BSSID_P1 CTL_REG(0x0618) #define CR_BSSID_P2 CTL_REG(0x061C) #define CR_BCN_PLCP_CFG CTL_REG(0x0620) + +/* Group hash table for filtering incoming packets. + * + * The group hash table is 64 bit large and split over two parts. The first + * part is the lower part. The upper 6 bits of the last byte of the target + * address are used as index. Packets are received if the hash table bit is + * set. This is used for multicast handling, but for broadcasts (address + * ff:ff:ff:ff:ff:ff) the highest bit in the second table must also be set. + */ #define CR_GROUP_HASH_P1 CTL_REG(0x0624) #define CR_GROUP_HASH_P2 CTL_REG(0x0628) -#define CR_RX_TIMEOUT CTL_REG(0x062C) +#define CR_RX_TIMEOUT CTL_REG(0x062C) /* Basic rates supported by the BSS. When producing ACK or CTS messages, the * device will use a rate in this table that is less than or equal to the rate * of the incoming frame which prompted the response */ @@ -864,4 +873,36 @@ u8 zd_rx_strength_percent(u8 rssi); u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status); +struct zd_mc_hash { + u32 low; + u32 high; +}; + +static inline void zd_mc_clear(struct zd_mc_hash *hash) +{ + hash->low = 0; + /* The interfaces must always received broadcasts. + * The hash of the broadcast address ff:ff:ff:ff:ff:ff is 63. + */ + hash->high = 0x80000000; +} + +static inline void zd_mc_add_all(struct zd_mc_hash *hash) +{ + hash->low = hash->high = 0xffffffff; +} + +static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr) +{ + unsigned int i = addr[5] >> 2; + if (i < 32) { + hash->low |= 1 << i; + } else { + hash->high |= 1 << (i-32); + } +} + +int zd_chip_set_multicast_hash(struct zd_chip *chip, + struct zd_mc_hash *hash); + #endif /* _ZD_CHIP_H */ diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index bd1593e13f8..1dd3f766ff4 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -39,6 +39,8 @@ static void housekeeping_init(struct zd_mac *mac); static void housekeeping_enable(struct zd_mac *mac); static void housekeeping_disable(struct zd_mac *mac); +static void set_multicast_hash_handler(void *mac_ptr); + int zd_mac_init(struct zd_mac *mac, struct net_device *netdev, struct usb_interface *intf) @@ -55,6 +57,8 @@ int zd_mac_init(struct zd_mac *mac, softmac_init(ieee80211_priv(netdev)); zd_chip_init(&mac->chip, netdev, intf); housekeeping_init(mac); + INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler, + mac); return 0; } @@ -136,6 +140,7 @@ out: void zd_mac_clear(struct zd_mac *mac) { + flush_workqueue(zd_workqueue); zd_chip_clear(&mac->chip); ZD_ASSERT(!spin_is_locked(&mac->lock)); ZD_MEMCLEAR(mac, sizeof(struct zd_mac)); @@ -256,6 +261,42 @@ int zd_mac_set_mac_address(struct net_device *netdev, void *p) return 0; } +static void set_multicast_hash_handler(void *mac_ptr) +{ + struct zd_mac *mac = mac_ptr; + struct zd_mc_hash hash; + + spin_lock_irq(&mac->lock); + hash = mac->multicast_hash; + spin_unlock_irq(&mac->lock); + + zd_chip_set_multicast_hash(&mac->chip, &hash); +} + +void zd_mac_set_multicast_list(struct net_device *dev) +{ + struct zd_mc_hash hash; + struct zd_mac *mac = zd_netdev_mac(dev); + struct dev_mc_list *mc; + unsigned long flags; + + if (dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) { + zd_mc_add_all(&hash); + } else { + zd_mc_clear(&hash); + for (mc = dev->mc_list; mc; mc = mc->next) { + dev_dbg_f(zd_mac_dev(mac), "mc addr " MAC_FMT "\n", + MAC_ARG(mc->dmi_addr)); + zd_mc_add_addr(&hash, mc->dmi_addr); + } + } + + spin_lock_irqsave(&mac->lock, flags); + mac->multicast_hash = hash; + spin_unlock_irqrestore(&mac->lock, flags); + queue_work(zd_workqueue, &mac->set_multicast_hash_work); +} + int zd_mac_set_regdomain(struct zd_mac *mac, u8 regdomain) { int r; @@ -930,7 +971,8 @@ static int is_data_packet_for_us(struct ieee80211_device *ieee, } return memcmp(hdr->addr1, netdev->dev_addr, ETH_ALEN) == 0 || - is_multicast_ether_addr(hdr->addr1) || + (is_multicast_ether_addr(hdr->addr1) && + memcmp(hdr->addr3, netdev->dev_addr, ETH_ALEN) != 0) || (netdev->flags & IFF_PROMISC); } diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 5dcfb251f02..77f1268080e 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -133,6 +133,8 @@ struct zd_mac { struct iw_statistics iw_stats; struct housekeeping housekeeping; + struct work_struct set_multicast_hash_work; + struct zd_mc_hash multicast_hash; struct work_struct set_rts_cts_work; struct work_struct set_basic_rates_work; @@ -189,6 +191,7 @@ int zd_mac_init_hw(struct zd_mac *mac, u8 device_type); int zd_mac_open(struct net_device *netdev); int zd_mac_stop(struct net_device *netdev); int zd_mac_set_mac_address(struct net_device *dev, void *p); +void zd_mac_set_multicast_list(struct net_device *netdev); int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length); diff --git a/drivers/net/wireless/zd1211rw/zd_netdev.c b/drivers/net/wireless/zd1211rw/zd_netdev.c index 60f1b0f6d45..8bda48de31e 100644 --- a/drivers/net/wireless/zd1211rw/zd_netdev.c +++ b/drivers/net/wireless/zd1211rw/zd_netdev.c @@ -242,7 +242,7 @@ struct net_device *zd_netdev_alloc(struct usb_interface *intf) netdev->open = zd_mac_open; netdev->stop = zd_mac_stop; /* netdev->get_stats = */ - /* netdev->set_multicast_list = */ + netdev->set_multicast_list = zd_mac_set_multicast_list; netdev->set_mac_address = zd_mac_set_mac_address; netdev->wireless_handlers = &iw_handler_def; /* netdev->ethtool_ops = */ -- cgit v1.2.3 From b0471bb7b779f5deea109e5bfdfe8c18d4a06241 Mon Sep 17 00:00:00 2001 From: Yan Burman Date: Sat, 2 Dec 2006 13:33:40 +0200 Subject: [PATCH] hostap: replace kmalloc+memset with kzalloc Replace kmalloc+memset with kzalloc Signed-off-by: Yan Burman Signed-off-by: John W. Linville --- drivers/net/wireless/hostap/hostap_ap.c | 4 +--- drivers/net/wireless/hostap/hostap_cs.c | 3 +-- drivers/net/wireless/hostap/hostap_download.c | 4 +--- drivers/net/wireless/hostap/hostap_hw.c | 12 +++--------- drivers/net/wireless/hostap/hostap_info.c | 3 +-- drivers/net/wireless/hostap/hostap_ioctl.c | 12 +++--------- drivers/net/wireless/hostap/hostap_pci.c | 3 +-- drivers/net/wireless/hostap/hostap_plx.c | 3 +-- 8 files changed, 12 insertions(+), 32 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index ba13125024c..798a8555fbd 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -1099,15 +1099,13 @@ static struct sta_info * ap_add_sta(struct ap_data *ap, u8 *addr) { struct sta_info *sta; - sta = (struct sta_info *) - kmalloc(sizeof(struct sta_info), GFP_ATOMIC); + sta = kzalloc(sizeof(struct sta_info), GFP_ATOMIC); if (sta == NULL) { PDEBUG(DEBUG_AP, "AP: kmalloc failed\n"); return NULL; } /* initialize STA info data */ - memset(sta, 0, sizeof(struct sta_info)); sta->local = ap->local; skb_queue_head_init(&sta->tx_buf); memcpy(sta->addr, addr, ETH_ALEN); diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index f63909e4bc3..ef470e6e1c2 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -566,12 +566,11 @@ static int prism2_config(struct pcmcia_device *link) PDEBUG(DEBUG_FLOW, "prism2_config()\n"); parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL); - hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL); + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); if (parse == NULL || hw_priv == NULL) { ret = -ENOMEM; goto failed; } - memset(hw_priv, 0, sizeof(*hw_priv)); tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; diff --git a/drivers/net/wireless/hostap/hostap_download.c b/drivers/net/wireless/hostap/hostap_download.c index ab26b52b3e7..24fc387bba6 100644 --- a/drivers/net/wireless/hostap/hostap_download.c +++ b/drivers/net/wireless/hostap/hostap_download.c @@ -685,14 +685,12 @@ static int prism2_download(local_info_t *local, goto out; } - dl = kmalloc(sizeof(*dl) + param->num_areas * + dl = kzalloc(sizeof(*dl) + param->num_areas * sizeof(struct prism2_download_data_area), GFP_KERNEL); if (dl == NULL) { ret = -ENOMEM; goto out; } - memset(dl, 0, sizeof(*dl) + param->num_areas * - sizeof(struct prism2_download_data_area)); dl->dl_cmd = param->dl_cmd; dl->start_addr = param->start_addr; dl->num_areas = param->num_areas; diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index ed00ebb6e7f..9c503364ca3 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -347,14 +347,12 @@ static int hfa384x_cmd(struct net_device *dev, u16 cmd, u16 param0, if (signal_pending(current)) return -EINTR; - entry = (struct hostap_cmd_queue *) - kmalloc(sizeof(*entry), GFP_ATOMIC); + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) { printk(KERN_DEBUG "%s: hfa384x_cmd - kmalloc failed\n", dev->name); return -ENOMEM; } - memset(entry, 0, sizeof(*entry)); atomic_set(&entry->usecnt, 1); entry->type = CMD_SLEEP; entry->cmd = cmd; @@ -517,14 +515,12 @@ static int hfa384x_cmd_callback(struct net_device *dev, u16 cmd, u16 param0, return -1; } - entry = (struct hostap_cmd_queue *) - kmalloc(sizeof(*entry), GFP_ATOMIC); + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) { printk(KERN_DEBUG "%s: hfa384x_cmd_callback - kmalloc " "failed\n", dev->name); return -ENOMEM; } - memset(entry, 0, sizeof(*entry)); atomic_set(&entry->usecnt, 1); entry->type = CMD_CALLBACK; entry->cmd = cmd; @@ -3015,14 +3011,12 @@ static int prism2_set_tim(struct net_device *dev, int aid, int set) iface = netdev_priv(dev); local = iface->local; - new_entry = (struct set_tim_data *) - kmalloc(sizeof(*new_entry), GFP_ATOMIC); + new_entry = kzalloc(sizeof(*new_entry), GFP_ATOMIC); if (new_entry == NULL) { printk(KERN_DEBUG "%s: prism2_set_tim: kmalloc failed\n", local->dev->name); return -ENOMEM; } - memset(new_entry, 0, sizeof(*new_entry)); new_entry->aid = aid; new_entry->set = set; diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c index 50f72d831cf..00ed6389076 100644 --- a/drivers/net/wireless/hostap/hostap_info.c +++ b/drivers/net/wireless/hostap/hostap_info.c @@ -327,11 +327,10 @@ static void prism2_info_hostscanresults(local_info_t *local, ptr = (u8 *) pos; new_count = left / result_size; - results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result), + results = kcalloc(new_count, sizeof(struct hfa384x_hostscan_result), GFP_ATOMIC); if (results == NULL) return; - memset(results, 0, new_count * sizeof(struct hfa384x_hostscan_result)); for (i = 0; i < new_count; i++) { memcpy(&results[i], ptr, copy_len); diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index d061fb3443f..3b7b8063ff1 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -181,12 +181,10 @@ static int prism2_ioctl_siwencode(struct net_device *dev, struct ieee80211_crypt_data *new_crypt; /* take WEP into use */ - new_crypt = (struct ieee80211_crypt_data *) - kmalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) return -ENOMEM; - memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); if (!new_crypt->ops) { request_module("ieee80211_crypt_wep"); @@ -3320,14 +3318,12 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, prism2_crypt_delayed_deinit(local, crypt); - new_crypt = (struct ieee80211_crypt_data *) - kmalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) { ret = -ENOMEM; goto done; } - memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; new_crypt->priv = new_crypt->ops->init(i); if (new_crypt->priv == NULL) { @@ -3538,14 +3534,12 @@ static int prism2_ioctl_set_encryption(local_info_t *local, prism2_crypt_delayed_deinit(local, crypt); - new_crypt = (struct ieee80211_crypt_data *) - kmalloc(sizeof(struct ieee80211_crypt_data), + new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL); if (new_crypt == NULL) { ret = -ENOMEM; goto done; } - memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); if (new_crypt->priv == NULL) { diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index d1de9766c83..c4f6020baa9 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -300,10 +300,9 @@ static int prism2_pci_probe(struct pci_dev *pdev, struct hostap_interface *iface; struct hostap_pci_priv *hw_priv; - hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL); + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); if (hw_priv == NULL) return -ENOMEM; - memset(hw_priv, 0, sizeof(*hw_priv)); if (pci_enable_device(pdev)) goto err_out_free; diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c index bc81b13a5a2..e235e064789 100644 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ b/drivers/net/wireless/hostap/hostap_plx.c @@ -447,10 +447,9 @@ static int prism2_plx_probe(struct pci_dev *pdev, int tmd7160; struct hostap_plx_priv *hw_priv; - hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL); + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); if (hw_priv == NULL) return -ENOMEM; - memset(hw_priv, 0, sizeof(*hw_priv)); if (pci_enable_device(pdev)) goto err_out_free; -- cgit v1.2.3 From b950e83b69a69f3db5ae64ab70b336886855517f Mon Sep 17 00:00:00 2001 From: Yan Burman Date: Sat, 2 Dec 2006 13:35:20 +0200 Subject: [PATCH] prism54: replace kmalloc+memset with kzalloc Replace kmalloc+memset with kzalloc Signed-off-by: Yan Burman Signed-off-by: John W. Linville --- drivers/net/wireless/prism54/isl_ioctl.c | 9 +++------ drivers/net/wireless/prism54/oid_mgt.c | 4 +--- 2 files changed, 4 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 4a20e45de3c..a48edd131d7 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -2140,11 +2140,9 @@ prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid, struct islpci_bss_wpa_ie, list); list_del(&bss->list); } else { - bss = kmalloc(sizeof (*bss), GFP_ATOMIC); - if (bss != NULL) { + bss = kzalloc(sizeof (*bss), GFP_ATOMIC); + if (bss != NULL) priv->num_bss_wpa++; - memset(bss, 0, sizeof (*bss)); - } } if (bss != NULL) { memcpy(bss->bssid, bssid, ETH_ALEN); @@ -2684,11 +2682,10 @@ prism2_ioctl_set_generic_element(struct net_device *ndev, return -EINVAL; alen = sizeof(*attach) + len; - attach = kmalloc(alen, GFP_KERNEL); + attach = kzalloc(alen, GFP_KERNEL); if (attach == NULL) return -ENOMEM; - memset(attach, 0, alen); #define WLAN_FC_TYPE_MGMT 0 #define WLAN_FC_STYPE_ASSOC_REQ 0 #define WLAN_FC_STYPE_REASSOC_REQ 2 diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c index fbc52b6a302..e6cf9df2c20 100644 --- a/drivers/net/wireless/prism54/oid_mgt.c +++ b/drivers/net/wireless/prism54/oid_mgt.c @@ -235,12 +235,10 @@ mgt_init(islpci_private *priv) { int i; - priv->mib = kmalloc(OID_NUM_LAST * sizeof (void *), GFP_KERNEL); + priv->mib = kcalloc(OID_NUM_LAST, sizeof (void *), GFP_KERNEL); if (!priv->mib) return -ENOMEM; - memset(priv->mib, 0, OID_NUM_LAST * sizeof (void *)); - /* Alloc the cache */ for (i = 0; i < OID_NUM_LAST; i++) { if (isl_oid[i].flags & OID_FLAG_CACHED) { -- cgit v1.2.3 From e6e3f12ad713fb878baa8e8b5456874a7ac714d3 Mon Sep 17 00:00:00 2001 From: Yan Burman Date: Sat, 2 Dec 2006 13:38:14 +0200 Subject: [PATCH] ipw2200: replace kmalloc+memset with kcalloc Replace kmalloc+memset with kcalloc Signed-off-by: Yan Burman Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index c692d01a76c..b2e144b7f4a 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -11129,14 +11129,13 @@ static int ipw_up(struct ipw_priv *priv) return -EIO; if (cmdlog && !priv->cmdlog) { - priv->cmdlog = kmalloc(sizeof(*priv->cmdlog) * cmdlog, + priv->cmdlog = kcalloc(cmdlog, sizeof(*priv->cmdlog), GFP_KERNEL); if (priv->cmdlog == NULL) { IPW_ERROR("Error allocating %d command log entries.\n", cmdlog); return -ENOMEM; } else { - memset(priv->cmdlog, 0, sizeof(*priv->cmdlog) * cmdlog); priv->cmdlog_len = cmdlog; } } -- cgit v1.2.3 From 4b1f8a99a2f5c6c25f04fc93272e5b9c18e82b99 Mon Sep 17 00:00:00 2001 From: Zhu Yi Date: Tue, 5 Dec 2006 14:42:14 +0800 Subject: [PATCH] ipw2200: Add IEEE80211_RADIOTAP_TSFT for promiscuous mode The ipw2200 BSS firmware passes on the TSF information within ipw_rx_frame, but monitor firmware doesn't. I add back the IEEE80211_RADIOTAP_TSFT flags so that we can get the MAC timestamp if we use the rtap interface. We will see the MAC timestamp equals to zero if we capture the packets with a monitor mode interface. But this is the expected behaviour. Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index b2e144b7f4a..26998b5157e 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -7656,7 +7656,8 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, /* Big bitfield of all the fields we provide in radiotap */ ipw_rt->rt_hdr.it_present = - ((1 << IEEE80211_RADIOTAP_FLAGS) | + ((1 << IEEE80211_RADIOTAP_TSFT) | + (1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | @@ -7665,10 +7666,14 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, /* Zero the flags, we'll add to them as we go */ ipw_rt->rt_flags = 0; - ipw_rt->rt_tsf = 0ULL; + ipw_rt->rt_tsf = (u64)(frame->parent_tsf[3] << 24 | + frame->parent_tsf[2] << 16 | + frame->parent_tsf[1] << 8 | + frame->parent_tsf[0]); /* Convert signal to DBM */ ipw_rt->rt_dbmsignal = antsignal; + ipw_rt->rt_dbmnoise = frame->noise; /* Convert the channel data and set the flags */ ipw_rt->rt_channel = cpu_to_le16(ieee80211chan2mhz(received_channel)); @@ -7868,7 +7873,8 @@ static void ipw_handle_promiscuous_rx(struct ipw_priv *priv, /* Big bitfield of all the fields we provide in radiotap */ ipw_rt->rt_hdr.it_present = - ((1 << IEEE80211_RADIOTAP_FLAGS) | + ((1 << IEEE80211_RADIOTAP_TSFT) | + (1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | @@ -7877,7 +7883,10 @@ static void ipw_handle_promiscuous_rx(struct ipw_priv *priv, /* Zero the flags, we'll add to them as we go */ ipw_rt->rt_flags = 0; - ipw_rt->rt_tsf = 0ULL; + ipw_rt->rt_tsf = (u64)(frame->parent_tsf[3] << 24 | + frame->parent_tsf[2] << 16 | + frame->parent_tsf[1] << 8 | + frame->parent_tsf[0]); /* Convert to DBM */ ipw_rt->rt_dbmsignal = signal; -- cgit v1.2.3 From aac40ceb8ff72fff1d6d5ad2607d7b01045d59a6 Mon Sep 17 00:00:00 2001 From: Zhu Yi Date: Tue, 5 Dec 2006 14:41:24 +0800 Subject: [PATCH] ipw2200: Update version stamp to 1.2.0 Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 26998b5157e..cce55f6b355 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -70,7 +70,7 @@ #define VQ #endif -#define IPW2200_VERSION "1.1.4" VK VD VM VP VR VQ +#define IPW2200_VERSION "1.2.0" VK VD VM VP VR VQ #define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2200/2915 Network Driver" #define DRV_COPYRIGHT "Copyright(c) 2003-2006 Intel Corporation" #define DRV_VERSION IPW2200_VERSION -- cgit v1.2.3 From 90c009ac30318e607d4f17ba1afb9cbac7fa2954 Mon Sep 17 00:00:00 2001 From: Zhu Yi Date: Tue, 5 Dec 2006 14:41:32 +0800 Subject: [PATCH] ipw2200: Fix a typo Signed-off-by: Pascal Terjan Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2100.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 79607b8b877..060018e084b 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -6215,7 +6215,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, /* Allocate and initialize the Tx/Rx queues and lists */ if (ipw2100_queues_allocate(priv)) { printk(KERN_WARNING DRV_NAME - "Error calilng ipw2100_queues_allocate.\n"); + "Error calling ipw2100_queues_allocate.\n"); err = -ENOMEM; goto fail; } -- cgit v1.2.3 From 720eeb4332e5871c97d390b2fb55a5a74fb18ae6 Mon Sep 17 00:00:00 2001 From: Zhu Yi Date: Tue, 5 Dec 2006 14:41:40 +0800 Subject: [PATCH] ipw2200: Fix debug output endian issue Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index cce55f6b355..d29f42773a8 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -8285,7 +8285,7 @@ static void ipw_rx(struct ipw_priv *priv) ("Notification: subtype=%02X flags=%02X size=%d\n", pkt->u.notification.subtype, pkt->u.notification.flags, - pkt->u.notification.size); + le16_to_cpu(pkt->u.notification.size)); ipw_rx_notification(priv, &pkt->u.notification); break; } -- cgit v1.2.3 From 9d4436a6fbc8c5eccdfcb8f5884e0a7b4a57f6d2 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Sun, 5 Nov 2006 15:40:13 +0900 Subject: sh: Add support for SH7206 and SH7619 CPU subtypes. This implements initial support for the SH7206 (SH-2A) and SH7619 (SH-2) MMU-less CPUs. Signed-off-by: Yoshinori Sato Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'drivers') diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 7ee992146ae..b2bc0cfb401 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -133,6 +133,20 @@ # define SCIF_ORER 0x0001 /* Overrun error bit */ # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ # define SCIF_ONLY +#elif defined(CONFIG_CPU_SUBTYPE_SH7206) +# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */ +# define SCSPTR1 0xfffe8820 /* 16 bit SCIF */ +# define SCSPTR2 0xfffe9020 /* 16 bit SCIF */ +# define SCSPTR3 0xfffe9820 /* 16 bit SCIF */ +# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ +# define SCIF_ONLY +#elif defined(CONFIG_CPU_SUBTYPE_SH7619) +# define SCSPTR0 0xf8400020 /* 16 bit SCIF */ +# define SCSPTR1 0xf8410020 /* 16 bit SCIF */ +# define SCSPTR2 0xf8420020 /* 16 bit SCIF */ +# define SCIF_ORER 0x0001 /* overrun error bit */ +# define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ +# define SCIF_ONLY #else # error CPU subtype not defined #endif @@ -544,6 +558,28 @@ static inline int sci_rxd_in(struct uart_port *port) if (port->mapbase == 0xffe10000) return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ } +#elif defined(CONFIG_CPU_SUBTYPE_SH7206) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xfffe8000) + return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xfffe8800) + return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xfffe9000) + return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xfffe9800) + return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ +} +#elif defined(CONFIG_CPU_SUBTYPE_SH7619) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xf8400000) + return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xf8410000) + return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */ + if (port->mapbase == 0xf8420000) + return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */ +} #endif /* -- cgit v1.2.3 From 6fc21b82ef74911887ced1aff8d37ce079bb8b36 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Mon, 27 Nov 2006 12:10:23 +0900 Subject: sh: More flexible + SH7780 earlyprintk SCIF support. This makes the early printk support somewhat more flexible, moving the port definition to a config option, and making the port initialization configurable for sh-ipl+g users. At the same time, this allows us to trivially wire up the SH7780 SCIF0, so that's thrown in too more or less for free. Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index b2bc0cfb401..e4557cc4f74 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -379,6 +379,7 @@ SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8) SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8) SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16) #if defined(CONFIG_CPU_SUBTYPE_SH7760) || defined(CONFIG_CPU_SUBTYPE_SH7780) +SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16) SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) SCIF_FNS(SCSPTR, 0, 0, 0x24, 16) -- cgit v1.2.3 From 1d118562c2067a42d0e8f70671a4ce27d7c6ffee Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 1 Dec 2006 13:15:14 +0900 Subject: sh: Clock framework tidying. This syncs up the SH clock framework with the linux/clk.h API, for which there were only some minor changes required, namely the clk_get() dev_id and subsequent callsites. Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index cfcc3caf49d..3b5f19ec212 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -775,7 +775,7 @@ static int sci_notifier(struct notifier_block *self, * * Clean this up later.. */ - clk = clk_get("module_clk"); + clk = clk_get(NULL, "module_clk"); port->uartclk = clk_get_rate(clk) * 16; clk_put(clk); } @@ -960,7 +960,7 @@ static void sci_set_termios(struct uart_port *port, struct termios *termios, default: { #if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) - struct clk *clk = clk_get("module_clk"); + struct clk *clk = clk_get(NULL, "module_clk"); t = SCBRR_VALUE(baud, clk_get_rate(clk)); clk_put(clk); #else @@ -1128,7 +1128,7 @@ static void __init sci_init_ports(void) * XXX: We should use a proper SCI/SCIF clock */ { - struct clk *clk = clk_get("module_clk"); + struct clk *clk = clk_get(NULL, "module_clk"); sci_ports[i].port.uartclk = clk_get_rate(clk) * 16; clk_put(clk); } -- cgit v1.2.3 From 06328b4f7919e9d2169d45cadc5a37b828a78eda Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 6 Dec 2006 15:02:26 +0000 Subject: Actually update the fixed up compile failures. Signed-Off-By: David Howells --- drivers/scsi/aic94xx/aic94xx_scb.c | 9 +++++---- drivers/scsi/libsas/sas_scsi_host.c | 4 +++- drivers/scsi/scsi_tgt_lib.c | 15 +++++++++------ 3 files changed, 17 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index 14d5d8c2ee1..75ed6b0569d 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -414,9 +414,10 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id) } /* hard reset a phy later */ -static void do_phy_reset_later(void *data) +static void do_phy_reset_later(struct work_struct *work) { - struct sas_phy *sas_phy = data; + struct sas_phy *sas_phy = + container_of(work, struct sas_phy, reset_work); int error; ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__, @@ -430,7 +431,7 @@ static void do_phy_reset_later(void *data) static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost) { - INIT_WORK(&sas_phy->reset_work, do_phy_reset_later, sas_phy); + INIT_WORK(&sas_phy->reset_work, do_phy_reset_later); queue_work(shost->work_q, &sas_phy->reset_work); } @@ -442,7 +443,7 @@ static void task_kill_later(struct asd_ascb *ascb) struct Scsi_Host *shost = sas_ha->core.shost; struct sas_task *task = ascb->uldd_task; - INIT_WORK(&task->abort_work, (void (*)(void *))sas_task_abort, task); + INIT_WORK(&task->abort_work, sas_task_abort); queue_work(shost->work_q, &task->abort_work); } diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index e064aac06b9..22672d54aa2 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -846,8 +846,10 @@ static int do_sas_task_abort(struct sas_task *task) return -EAGAIN; } -void sas_task_abort(struct sas_task *task) +void sas_task_abort(struct work_struct *work) { + struct sas_task *task = + container_of(work, struct sas_task, abort_work); int i; for (i = 0; i < 5; i++) diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 39da5cd6fb6..386dbae17b4 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -185,10 +185,11 @@ static void cmd_hashlist_del(struct scsi_cmnd *cmd) spin_unlock_irqrestore(&qdata->cmd_hash_lock, flags); } -static void scsi_tgt_cmd_destroy(void *data) +static void scsi_tgt_cmd_destroy(struct work_struct *work) { - struct scsi_cmnd *cmd = data; - struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; + struct scsi_tgt_cmd *tcmd = + container_of(work, struct scsi_tgt_cmd, work); + struct scsi_cmnd *cmd = tcmd->rq->special; dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction, rq_data_dir(cmd->request)); @@ -214,6 +215,7 @@ static void init_scsi_tgt_cmd(struct request *rq, struct scsi_tgt_cmd *tcmd, struct list_head *head; tcmd->tag = tag; + INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy); spin_lock_irqsave(&qdata->cmd_hash_lock, flags); head = &qdata->cmd_hash[cmd_hashfn(tag)]; list_add(&tcmd->hash_list, head); @@ -303,7 +305,7 @@ void scsi_tgt_free_queue(struct Scsi_Host *shost) cmd = tcmd->rq->special; shost->hostt->eh_abort_handler(cmd); - scsi_tgt_cmd_destroy(cmd); + scsi_tgt_cmd_destroy(&tcmd->work); } } EXPORT_SYMBOL_GPL(scsi_tgt_free_queue); @@ -347,7 +349,6 @@ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); scsi_tgt_uspace_send_status(cmd, tcmd->tag); - INIT_WORK(&tcmd->work, scsi_tgt_cmd_destroy, cmd); queue_work(scsi_tgtd, &tcmd->work); } @@ -549,13 +550,15 @@ static int scsi_tgt_copy_sense(struct scsi_cmnd *cmd, unsigned long uaddr, static int scsi_tgt_abort_cmd(struct Scsi_Host *shost, struct scsi_cmnd *cmd) { + struct scsi_tgt_cmd *tcmd; int err; err = shost->hostt->eh_abort_handler(cmd); if (err) eprintk("fail to abort %p\n", cmd); - scsi_tgt_cmd_destroy(cmd); + tcmd = cmd->request->end_io_data; + scsi_tgt_cmd_destroy(&tcmd->work); return err; } -- cgit v1.2.3 From a8b8d57c25eb61a04431324e1a41109925290512 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Wed, 6 Dec 2006 11:49:34 +1000 Subject: [PATCH] m68knommu: ColdFire serial driver fixes Some updates for the old ColdFire serial driver: . support 3 and 4 UARTs on some ColdFire parts that have them . enable multifunction pins to serial for 527x CPU's . support the 5272 UART's fractional baud rate divisor . switch driver name to "mcfserial" Signed-off-by: Greg Ungerer Signed-off-by: Linus Torvalds --- drivers/serial/mcfserial.c | 54 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 51 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index aee1b31f1a1..3db206d29b3 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -60,7 +60,8 @@ struct timer_list mcfrs_timer_struct; #if defined(CONFIG_HW_FEITH) #define CONSOLE_BAUD_RATE 38400 #define DEFAULT_CBAUD B38400 -#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || defined(CONFIG_M5329EVB) +#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || \ + defined(CONFIG_M5329EVB) || defined(CONFIG_GILBARCO) #define CONSOLE_BAUD_RATE 115200 #define DEFAULT_CBAUD B115200 #elif defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \ @@ -109,12 +110,30 @@ static struct mcf_serial mcfrs_table[] = { .irq = IRQBASE, .flags = ASYNC_BOOT_AUTOCONF, }, +#ifdef MCFUART_BASE2 { /* ttyS1 */ .magic = 0, .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE2), .irq = IRQBASE+1, .flags = ASYNC_BOOT_AUTOCONF, }, +#endif +#ifdef MCFUART_BASE3 + { /* ttyS2 */ + .magic = 0, + .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE3), + .irq = IRQBASE+2, + .flags = ASYNC_BOOT_AUTOCONF, + }, +#endif +#ifdef MCFUART_BASE4 + { /* ttyS3 */ + .magic = 0, + .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE4), + .irq = IRQBASE+3, + .flags = ASYNC_BOOT_AUTOCONF, + }, +#endif }; @@ -1516,6 +1535,22 @@ static void mcfrs_irqinit(struct mcf_serial *info) imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 + MCFINTC_IMRL); *imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1); +#if defined(CONFIG_M527x) + { + /* + * External Pin Mask Setting & Enable External Pin for Interface + * mrcbis@aliceposta.it + */ + unsigned short *serpin_enable_mask; + serpin_enable_mask = (MCF_IPSBAR + MCF_GPIO_PAR_UART); + if (info->line == 0) + *serpin_enable_mask |= UART0_ENABLE_MASK; + else if (info->line == 1) + *serpin_enable_mask |= UART1_ENABLE_MASK; + else if (info->line == 2) + *serpin_enable_mask |= UART2_ENABLE_MASK; + } +#endif #elif defined(CONFIG_M520x) volatile unsigned char *icrp, *uartp; volatile unsigned long *imrp; @@ -1713,7 +1748,7 @@ mcfrs_init(void) /* Initialize the tty_driver structure */ mcfrs_serial_driver->owner = THIS_MODULE; mcfrs_serial_driver->name = "ttyS"; - mcfrs_serial_driver->driver_name = "serial"; + mcfrs_serial_driver->driver_name = "mcfserial"; mcfrs_serial_driver->major = TTY_MAJOR; mcfrs_serial_driver->minor_start = 64; mcfrs_serial_driver->type = TTY_DRIVER_TYPE_SERIAL; @@ -1797,10 +1832,23 @@ void mcfrs_init_console(void) uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8; uartp[MCFUART_UMR] = MCFUART_MR2_STOP1; +#ifdef CONFIG_M5272 +{ + /* + * For the MCF5272, also compute the baudrate fraction. + */ + int fraction = MCF_BUSCLK - (clk * 32 * mcfrs_console_baud); + fraction *= 16; + fraction /= (32 * mcfrs_console_baud); + uartp[MCFUART_UFPD] = (fraction & 0xf); /* set fraction */ + clk = (MCF_BUSCLK / mcfrs_console_baud) / 32; +} +#else clk = ((MCF_BUSCLK / mcfrs_console_baud) + 16) / 32; /* set baud */ +#endif + uartp[MCFUART_UBG1] = (clk & 0xff00) >> 8; /* set msb baud */ uartp[MCFUART_UBG2] = (clk & 0xff); /* set lsb baud */ - uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER; uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; -- cgit v1.2.3 From 7a87b6c228b8d0cc54b9faa159732fcb2a6c9d0c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 6 Dec 2006 18:51:40 +0000 Subject: [PATCH] hamradio/dmascc: fix up work_struct-induced breakage Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/net/hamradio/dmascc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index 0f8b9afd55b..e6e721aff6f 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -252,7 +252,7 @@ static inline void z8530_isr(struct scc_info *info); static irqreturn_t scc_isr(int irq, void *dev_id); static void rx_isr(struct scc_priv *priv); static void special_condition(struct scc_priv *priv, int rc); -static void rx_bh(void *arg); +static void rx_bh(struct work_struct *); static void tx_isr(struct scc_priv *priv); static void es_isr(struct scc_priv *priv); static void tm_isr(struct scc_priv *priv); @@ -579,7 +579,7 @@ static int __init setup_adapter(int card_base, int type, int n) priv->param.clocks = TCTRxCP | RCRTxCP; priv->param.persist = 256; priv->param.dma = -1; - INIT_WORK(&priv->rx_work, rx_bh, priv); + INIT_WORK(&priv->rx_work, rx_bh); dev->priv = priv; sprintf(dev->name, "dmascc%i", 2 * n + i); dev->base_addr = card_base; @@ -1272,9 +1272,9 @@ static void special_condition(struct scc_priv *priv, int rc) } -static void rx_bh(void *arg) +static void rx_bh(struct work_struct *ugli_api) { - struct scc_priv *priv = arg; + struct scc_priv *priv = container_of(ugli_api, struct scc_priv, rx_work); int i = priv->rx_tail; int cb; unsigned long flags; -- cgit v1.2.3 From 3e577a80ea85e2557831fd44064f809646f260b4 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 6 Dec 2006 18:41:45 +0000 Subject: [PATCH] drivers/{char|isdn}: work_struct-induced breakage part 1 of fsck-knows-how-many Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/char/istallion.c | 8 ++++---- drivers/char/riscom8.c | 12 ++++++------ drivers/char/serial167.c | 6 +++--- drivers/char/stallion.c | 10 ++++------ drivers/isdn/hysdn/boardergo.c | 5 +++-- drivers/macintosh/adb.c | 4 ++-- 6 files changed, 22 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index ffdf9df1a67..bd9195e1795 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -663,7 +663,7 @@ static int stli_initopen(stlibrd_t *brdp, stliport_t *portp); static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait); static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait); static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp); -static void stli_dohangup(void *arg); +static void stli_dohangup(struct work_struct *); static int stli_setport(stliport_t *portp); static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback); static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback); @@ -1990,9 +1990,9 @@ static void stli_start(struct tty_struct *tty) * aren't that time critical). */ -static void stli_dohangup(void *arg) +static void stli_dohangup(struct work_struct *ugly_api) { - stliport_t *portp = (stliport_t *) arg; + stliport_t *portp = container_of(ugly_api, stliport_t, tqhangup); if (portp->tty != NULL) { tty_hangup(portp->tty); } @@ -2898,7 +2898,7 @@ static int stli_initports(stlibrd_t *brdp) portp->baud_base = STL_BAUDBASE; portp->close_delay = STL_CLOSEDELAY; portp->closing_wait = 30 * HZ; - INIT_WORK(&portp->tqhangup, stli_dohangup, portp); + INIT_WORK(&portp->tqhangup, stli_dohangup); init_waitqueue_head(&portp->open_wait); init_waitqueue_head(&portp->close_wait); init_waitqueue_head(&portp->raw_wait); diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 5ab32b38f45..722dd3e7418 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1516,9 +1516,9 @@ static void rc_start(struct tty_struct * tty) * do_rc_hangup() -> tty->hangup() -> rc_hangup() * */ -static void do_rc_hangup(void *private_) +static void do_rc_hangup(struct work_struct *ugly_api) { - struct riscom_port *port = (struct riscom_port *) private_; + struct riscom_port *port = container_of(ugly_api, struct riscom_port, tqueue_hangup); struct tty_struct *tty; tty = port->tty; @@ -1567,9 +1567,9 @@ static void rc_set_termios(struct tty_struct * tty, struct termios * old_termios } } -static void do_softint(void *private_) +static void do_softint(struct work_struct *ugly_api) { - struct riscom_port *port = (struct riscom_port *) private_; + struct riscom_port *port = container_of(ugly_api, struct riscom_port, tqueue); struct tty_struct *tty; if(!(tty = port->tty)) @@ -1632,8 +1632,8 @@ static inline int rc_init_drivers(void) memset(rc_port, 0, sizeof(rc_port)); for (i = 0; i < RC_NPORT * RC_NBOARD; i++) { rc_port[i].magic = RISCOM8_MAGIC; - INIT_WORK(&rc_port[i].tqueue, do_softint, &rc_port[i]); - INIT_WORK(&rc_port[i].tqueue_hangup, do_rc_hangup, &rc_port[i]); + INIT_WORK(&rc_port[i].tqueue, do_softint); + INIT_WORK(&rc_port[i].tqueue_hangup, do_rc_hangup); rc_port[i].close_delay = 50 * HZ/100; rc_port[i].closing_wait = 3000 * HZ/100; init_waitqueue_head(&rc_port[i].open_wait); diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 3af7f0958c5..9ba13af234b 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -706,9 +706,9 @@ cd2401_rx_interrupt(int irq, void *dev_id) * had to poll every port to see if that port needed servicing. */ static void -do_softint(void *private_) +do_softint(struct work_struct *ugly_api) { - struct cyclades_port *info = (struct cyclades_port *) private_; + struct cyclades_port *info = container_of(ugly_api, struct cyclades_port, tqueue); struct tty_struct *tty; tty = info->tty; @@ -2273,7 +2273,7 @@ scrn[1] = '\0'; info->blocked_open = 0; info->default_threshold = 0; info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint, info); + INIT_WORK(&info->tqueue, do_softint); init_waitqueue_head(&info->open_wait); init_waitqueue_head(&info->close_wait); /* info->session */ diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 522e88e395c..5e2de62bce7 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -500,7 +500,7 @@ static int stl_echatintr(stlbrd_t *brdp); static int stl_echmcaintr(stlbrd_t *brdp); static int stl_echpciintr(stlbrd_t *brdp); static int stl_echpci64intr(stlbrd_t *brdp); -static void stl_offintr(void *private); +static void stl_offintr(struct work_struct *); static stlbrd_t *stl_allocbrd(void); static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); @@ -2081,14 +2081,12 @@ static int stl_echpci64intr(stlbrd_t *brdp) /* * Service an off-level request for some channel. */ -static void stl_offintr(void *private) +static void stl_offintr(struct work_struct *work) { - stlport_t *portp; + stlport_t *portp = container_of(work, stlport_t, tqueue); struct tty_struct *tty; unsigned int oldsigs; - portp = private; - #ifdef DEBUG printk("stl_offintr(portp=%x)\n", (int) portp); #endif @@ -2156,7 +2154,7 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) portp->baud_base = STL_BAUDBASE; portp->close_delay = STL_CLOSEDELAY; portp->closing_wait = 30 * HZ; - INIT_WORK(&portp->tqueue, stl_offintr, portp); + INIT_WORK(&portp->tqueue, stl_offintr); init_waitqueue_head(&portp->open_wait); init_waitqueue_head(&portp->close_wait); portp->stats.brd = portp->brdnr; diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c index 82e42a80dc4..a1206498a1c 100644 --- a/drivers/isdn/hysdn/boardergo.c +++ b/drivers/isdn/hysdn/boardergo.c @@ -71,8 +71,9 @@ ergo_interrupt(int intno, void *dev_id) /* may be queued from everywhere (interrupts included). */ /******************************************************************************/ static void -ergo_irq_bh(hysdn_card * card) +ergo_irq_bh(struct work_struct *ugli_api) { + hysdn_card * card = container_of(ugli_api, hysdn_card, irq_queue); tErgDpram *dpr; int again; unsigned long flags; @@ -442,7 +443,7 @@ ergo_inithardware(hysdn_card * card) card->writebootseq = ergo_writebootseq; card->waitpofready = ergo_waitpofready; card->set_errlog_state = ergo_set_errlog_state; - INIT_WORK(&card->irq_queue, (void *) (void *) ergo_irq_bh, card); + INIT_WORK(&card->irq_queue, ergo_irq_bh); card->hysdn_lock = SPIN_LOCK_UNLOCKED; return (0); diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index be0bd34ff6f..d43ea81d6df 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -267,12 +267,12 @@ adb_probe_task(void *x) } static void -__adb_probe_task(void *data) +__adb_probe_task(struct work_struct *bullshit) { adb_probe_task_pid = kernel_thread(adb_probe_task, NULL, SIGCHLD | CLONE_KERNEL); } -static DECLARE_WORK(adb_reset_work, __adb_probe_task, NULL); +static DECLARE_WORK(adb_reset_work, __adb_probe_task); int adb_reset_bus(void) -- cgit v1.2.3 From 4927b3f74c6a2fd92226dcf1542a598be9738808 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 6 Dec 2006 19:18:20 +0000 Subject: [PATCH] More work_struct induced breakage (s390) Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/s390/block/dasd.c | 10 ++++------ drivers/s390/cio/css.c | 9 ++++----- drivers/s390/crypto/ap_bus.c | 6 +++--- drivers/s390/net/lcs.c | 8 ++++---- drivers/s390/net/qeth_main.c | 6 +++--- drivers/scsi/oktagon_esp.c | 6 +++--- 6 files changed, 21 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index a2cef57d7bc..2af2d9b53d1 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -54,7 +54,7 @@ static void dasd_flush_request_queue(struct dasd_device *); static void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *); static int dasd_flush_ccw_queue(struct dasd_device *, int); static void dasd_tasklet(struct dasd_device *); -static void do_kick_device(void *data); +static void do_kick_device(struct work_struct *); /* * SECTION: Operations on the device structure. @@ -100,7 +100,7 @@ dasd_alloc_device(void) (unsigned long) device); INIT_LIST_HEAD(&device->ccw_queue); init_timer(&device->timer); - INIT_WORK(&device->kick_work, do_kick_device, device); + INIT_WORK(&device->kick_work, do_kick_device); device->state = DASD_STATE_NEW; device->target = DASD_STATE_NEW; @@ -407,11 +407,9 @@ dasd_change_state(struct dasd_device *device) * event daemon. */ static void -do_kick_device(void *data) +do_kick_device(struct work_struct *work) { - struct dasd_device *device; - - device = (struct dasd_device *) data; + struct dasd_device *device = container_of(work, struct dasd_device, kick_work); dasd_change_state(device); dasd_schedule_bh(device); dasd_put_device(device); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index ad7f7e1c016..26cf2f5ae2e 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -334,7 +334,7 @@ static LIST_HEAD(slow_subchannels_head); static DEFINE_SPINLOCK(slow_subchannel_lock); static void -css_trigger_slow_path(void) +css_trigger_slow_path(struct work_struct *unused) { CIO_TRACE_EVENT(4, "slowpath"); @@ -359,8 +359,7 @@ css_trigger_slow_path(void) spin_unlock_irq(&slow_subchannel_lock); } -typedef void (*workfunc)(void *); -DECLARE_WORK(slow_path_work, (workfunc)css_trigger_slow_path, NULL); +DECLARE_WORK(slow_path_work, css_trigger_slow_path); struct workqueue_struct *slow_path_wq; /* Reprobe subchannel if unregistered. */ @@ -397,7 +396,7 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data) } /* Work function used to reprobe all unregistered subchannels. */ -static void reprobe_all(void *data) +static void reprobe_all(struct work_struct *unused) { int ret; @@ -413,7 +412,7 @@ static void reprobe_all(void *data) need_reprobe); } -DECLARE_WORK(css_reprobe_work, reprobe_all, NULL); +DECLARE_WORK(css_reprobe_work, reprobe_all); /* Schedule reprobing of all unregistered subchannels. */ void css_schedule_reprobe(void) diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 6a54334ffe0..e4dc947e74e 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -37,7 +37,7 @@ #include "ap_bus.h" /* Some prototypes. */ -static void ap_scan_bus(void *); +static void ap_scan_bus(struct work_struct *); static void ap_poll_all(unsigned long); static void ap_poll_timeout(unsigned long); static int ap_poll_thread_start(void); @@ -71,7 +71,7 @@ static struct device *ap_root_device = NULL; static struct workqueue_struct *ap_work_queue; static struct timer_list ap_config_timer; static int ap_config_time = AP_CONFIG_TIME; -static DECLARE_WORK(ap_config_work, ap_scan_bus, NULL); +static DECLARE_WORK(ap_config_work, ap_scan_bus); /** * Tasklet & timer for AP request polling. @@ -732,7 +732,7 @@ static void ap_device_release(struct device *dev) kfree(ap_dev); } -static void ap_scan_bus(void *data) +static void ap_scan_bus(struct work_struct *unused) { struct ap_device *ap_dev; struct device *dev; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 08d4e47070b..e5665b6743a 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -67,7 +67,7 @@ static char debug_buffer[255]; * Some prototypes. */ static void lcs_tasklet(unsigned long); -static void lcs_start_kernel_thread(struct lcs_card *card); +static void lcs_start_kernel_thread(struct work_struct *); static void lcs_get_frames_cb(struct lcs_channel *, struct lcs_buffer *); static int lcs_send_delipm(struct lcs_card *, struct lcs_ipm_list *); static int lcs_recovery(void *ptr); @@ -1724,8 +1724,9 @@ lcs_stopcard(struct lcs_card *card) * Kernel Thread helper functions for LGW initiated commands */ static void -lcs_start_kernel_thread(struct lcs_card *card) +lcs_start_kernel_thread(struct work_struct *work) { + struct lcs_card *card = container_of(work, struct lcs_card, kernel_thread_starter); LCS_DBF_TEXT(5, trace, "krnthrd"); if (lcs_do_start_thread(card, LCS_RECOVERY_THREAD)) kernel_thread(lcs_recovery, (void *) card, SIGCHLD); @@ -2053,8 +2054,7 @@ lcs_probe_device(struct ccwgroup_device *ccwgdev) ccwgdev->cdev[0]->handler = lcs_irq; ccwgdev->cdev[1]->handler = lcs_irq; card->gdev = ccwgdev; - INIT_WORK(&card->kernel_thread_starter, - (void *) lcs_start_kernel_thread, card); + INIT_WORK(&card->kernel_thread_starter, lcs_start_kernel_thread); card->thread_start_mask = 0; card->thread_allowed_mask = 0; card->thread_running_mask = 0; diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 7fdc5272c44..2bde4f1fb9c 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1039,8 +1039,9 @@ qeth_do_start_thread(struct qeth_card *card, unsigned long thread) } static void -qeth_start_kernel_thread(struct qeth_card *card) +qeth_start_kernel_thread(struct work_struct *work) { + struct qeth_card *card = container_of(work, struct qeth_card, kernel_thread_starter); QETH_DBF_TEXT(trace , 2, "strthrd"); if (card->read.state != CH_STATE_UP && @@ -1103,8 +1104,7 @@ qeth_setup_card(struct qeth_card *card) card->thread_start_mask = 0; card->thread_allowed_mask = 0; card->thread_running_mask = 0; - INIT_WORK(&card->kernel_thread_starter, - (void *)qeth_start_kernel_thread,card); + INIT_WORK(&card->kernel_thread_starter, qeth_start_kernel_thread); INIT_LIST_HEAD(&card->ip_list); card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); if (!card->ip_tbd_list) { diff --git a/drivers/scsi/oktagon_esp.c b/drivers/scsi/oktagon_esp.c index dd67a68c5c2..c116a6ae3c5 100644 --- a/drivers/scsi/oktagon_esp.c +++ b/drivers/scsi/oktagon_esp.c @@ -72,12 +72,12 @@ static void dma_advance_sg(Scsi_Cmnd *); static int oktagon_notify_reboot(struct notifier_block *this, unsigned long code, void *x); #ifdef USE_BOTTOM_HALF -static void dma_commit(void *opaque); +static void dma_commit(struct work_struct *unused); long oktag_to_io(long *paddr, long *addr, long len); long oktag_from_io(long *addr, long *paddr, long len); -static DECLARE_WORK(tq_fake_dma, dma_commit, NULL); +static DECLARE_WORK(tq_fake_dma, dma_commit); #define DMA_MAXTRANSFER 0x8000 @@ -266,7 +266,7 @@ oktagon_notify_reboot(struct notifier_block *this, unsigned long code, void *x) */ -static void dma_commit(void *opaque) +static void dma_commit(struct work_struct *unused) { long wait,len2,pos; struct NCR_ESP *esp; -- cgit v1.2.3 From 91c7c56855855d63c46c854c38576135be31a4c9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 6 Dec 2006 19:50:06 +0000 Subject: [PATCH] ... and more work_struct-induced breakage (mips) Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/i2c/chips/m41t00.c | 9 ++++++++- drivers/net/mv643xx_eth.c | 9 +++++---- 2 files changed, 13 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c index 2dd0a34d947..420377c8642 100644 --- a/drivers/i2c/chips/m41t00.c +++ b/drivers/i2c/chips/m41t00.c @@ -215,8 +215,15 @@ m41t00_set(void *arg) } static ulong new_time; +/* well, isn't this API just _lovely_? */ +static void +m41t00_barf(struct work_struct *unusable) +{ + m41t00_set(&new_time); +} + static struct workqueue_struct *m41t00_wq; -static DECLARE_WORK(m41t00_work, m41t00_set, &new_time); +static DECLARE_WORK(m41t00_work, m41t00_barf); int m41t00_set_rtc_time(ulong nowtime) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9997081c6da..d9f48bb04b0 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -277,9 +277,11 @@ static void mv643xx_eth_tx_timeout(struct net_device *dev) * * Actual routine to reset the adapter when a timeout on Tx has occurred */ -static void mv643xx_eth_tx_timeout_task(struct net_device *dev) +static void mv643xx_eth_tx_timeout_task(struct work_struct *ugly) { - struct mv643xx_private *mp = netdev_priv(dev); + struct mv643xx_private *mp = container_of(ugly, struct mv643xx_private, + tx_timeout_task); + struct net_device *dev = mp->mii.dev; /* yuck */ if (!netif_running(dev)) return; @@ -1360,8 +1362,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev) #endif /* Configure the timeout task */ - INIT_WORK(&mp->tx_timeout_task, - (void (*)(void *))mv643xx_eth_tx_timeout_task, dev); + INIT_WORK(&mp->tx_timeout_task, mv643xx_eth_tx_timeout_task); spin_lock_init(&mp->lock); -- cgit v1.2.3 From 2fdb611d3102509e31ef21c79fc91f97f300b9c3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 6 Dec 2006 21:15:22 +0000 Subject: [PATCH] ... and then some more work_struct-induced breakage (ibmvscsi) Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/scsi/ibmvscsi/ibmvstgt.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c index 0e74174a1b3..e28260f05d6 100644 --- a/drivers/scsi/ibmvscsi/ibmvstgt.c +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -67,6 +67,7 @@ struct vio_port { unsigned long liobn; unsigned long riobn; + struct srp_target *target; }; static struct workqueue_struct *vtgtd; @@ -685,10 +686,10 @@ static inline struct viosrp_crq *next_crq(struct crq_queue *queue) return crq; } -static void handle_crq(void *data) +static void handle_crq(struct work_struct *work) { - struct srp_target *target = (struct srp_target *) data; - struct vio_port *vport = target_to_port(target); + struct vio_port *vport = container_of(work, struct vio_port, crq_work); + struct srp_target *target = vport->target; struct viosrp_crq *crq; int done = 0; @@ -822,6 +823,7 @@ static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id) target->shost = shost; vport->dma_dev = dev; target->ldata = vport; + vport->target = target; err = srp_target_alloc(target, &dev->dev, INITIAL_SRP_LIMIT, SRP_MAX_IU_LEN); if (err) @@ -837,7 +839,7 @@ static int ibmvstgt_probe(struct vio_dev *dev, const struct vio_device_id *id) vport->liobn = dma[0]; vport->riobn = dma[5]; - INIT_WORK(&vport->crq_work, handle_crq, target); + INIT_WORK(&vport->crq_work, handle_crq); err = crq_queue_create(&vport->crq_queue, target); if (err) -- cgit v1.2.3 From d3561b7fa0fb0fc583bab0eeda32bec9e4c4056d Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Thu, 7 Dec 2006 02:14:07 +0100 Subject: [PATCH] paravirt: header and stubs for paravirtualisation Create a paravirt.h header for all the critical operations which need to be replaced with hypervisor calls, and include that instead of defining native operations, when CONFIG_PARAVIRT. This patch does the dumbest possible replacement of paravirtualized instructions: calls through a "paravirt_ops" structure. Currently these are function implementations of native hardware: hypervisors will override the ops structure with their own variants. All the pv-ops functions are declared "fastcall" so that a specific register-based ABI is used, to make inlining assember easier. And: +From: Andy Whitcroft The paravirt ops introduce a 'weak' attribute onto memory_setup(). Code ordering leads to the following warnings on x86: arch/i386/kernel/setup.c:651: warning: weak declaration of `memory_setup' after first use results in unspecified behavior Move memory_setup() to avoid this. Signed-off-by: Rusty Russell Signed-off-by: Chris Wright Signed-off-by: Andi Kleen Cc: Jeremy Fitzhardinge Cc: Zachary Amsden Signed-off-by: Andrew Morton Signed-off-by: Andy Whitcroft --- drivers/net/de600.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/de600.c b/drivers/net/de600.c index 690bb40b353..8396e411f1c 100644 --- a/drivers/net/de600.c +++ b/drivers/net/de600.c @@ -43,7 +43,6 @@ static const char version[] = "de600.c: $Revision: 1.41-2.5 $, Bjorn Ekwall (bj * modify the following "#define": (see for more info) #define REALLY_SLOW_IO */ -#define SLOW_IO_BY_JUMPING /* Looks "better" than dummy write to port 0x80 :-) */ /* use 0 for production, 1 for verification, >2 for debug */ #ifdef DE600_DEBUG -- cgit v1.2.3 From 6020c8f315709a508b027ef6749e85b125190947 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Thu, 7 Dec 2006 02:14:08 +0100 Subject: [PATCH] paravirt: Allow disable power management under hypervisor Two legacy power management modes are much easier to just explicitly disable when running in paravirtualized mode - neither APM nor PnP is still relevant. The status of ACPI is still debatable, and noacpi is still a common enough boot parameter that it is not necessary to explicitly disable ACPI. Signed-off-by: Zachary Amsden Signed-off-by: Chris Wright Signed-off-by: Andi Kleen Cc: Rusty Russell Cc: Jeremy Fitzhardinge Signed-off-by: Andrew Morton --- drivers/pnp/pnpbios/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 81a6c83d89a..80066ad792f 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -530,7 +530,8 @@ static int __init pnpbios_init(void) if (check_legacy_ioport(PNPBIOS_BASE)) return -ENODEV; #endif - if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table)) { + if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table) || + paravirt_enabled()) { printk(KERN_INFO "PnPBIOS: Disabled\n"); return -ENODEV; } -- cgit v1.2.3 From 72486f1f8f0a2bc828b9d30cf4690cf2dd6807fc Mon Sep 17 00:00:00 2001 From: "Siddha, Suresh B" Date: Thu, 7 Dec 2006 02:14:10 +0100 Subject: [PATCH] i386: change the 'no_control' field to 'hotpluggable' in the struct cpu Change the 'no_control' field in the cpu struct to a more positive and better term 'hotpluggable'. And change(/cleanup) the logic accordingly. Signed-off-by: Suresh Siddha Signed-off-by: Andi Kleen Cc: Andi Kleen Cc: "Li, Shaohua" Signed-off-by: Andrew Morton --- drivers/base/cpu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 1f745f12f94..7fd095efaeb 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -104,8 +104,8 @@ static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL); /* * register_cpu - Setup a driverfs device for a CPU. - * @cpu - Callers can set the cpu->no_control field to 1, to indicate not to - * generate a control file in sysfs for this CPU. + * @cpu - cpu->hotpluggable field set to 1 will generate a control file in + * sysfs for this CPU. * @num - CPU number to use when creating the device. * * Initialize and register the CPU device. @@ -119,7 +119,7 @@ int __devinit register_cpu(struct cpu *cpu, int num) error = sysdev_register(&cpu->sysdev); - if (!error && !cpu->no_control) + if (!error && cpu->hotpluggable) register_cpu_control(cpu); if (!error) cpu_sys_devices[num] = &cpu->sysdev; -- cgit v1.2.3 From 170b828a31bbeaee3a80a05acefe3596e38f09e0 Mon Sep 17 00:00:00 2001 From: Ben Collins Date: Mon, 4 Dec 2006 19:33:47 -0800 Subject: [ATM]: Add CPPFLAGS to byteorder.h check O= builds produced errors in the shell command because of unfound headers. Signed-off-by: Ben Collins Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- drivers/atm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/atm/Makefile b/drivers/atm/Makefile index b5077ce8cb4..1b16f8166b0 100644 --- a/drivers/atm/Makefile +++ b/drivers/atm/Makefile @@ -41,7 +41,7 @@ ifeq ($(CONFIG_ATM_FORE200E_PCA),y) # guess the target endianess to choose the right PCA-200E firmware image ifeq ($(CONFIG_ATM_FORE200E_PCA_DEFAULT_FW),y) byteorder.h := include$(if $(patsubst $(srctree),,$(objtree)),2)/asm/byteorder.h - CONFIG_ATM_FORE200E_PCA_FW := $(obj)/pca200e$(if $(shell $(CC) -E -dM $(byteorder.h) | grep ' __LITTLE_ENDIAN '),.bin,_ecd.bin2) + CONFIG_ATM_FORE200E_PCA_FW := $(obj)/pca200e$(if $(shell $(CC) $(CPPFLAGS) -E -dM $(byteorder.h) | grep ' __LITTLE_ENDIAN '),.bin,_ecd.bin2) endif endif -- cgit v1.2.3 From 9fe757b0cfcee0724027a675c533077287a21b96 Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Wed, 4 Oct 2006 18:48:57 +1000 Subject: [PATCH] crypto: Add support for the Geode LX AES hardware Add a driver to support the AES hardware on the Geode LX processor. Signed-off-by: Jordan Crouse Signed-off-by: Herbert Xu --- drivers/crypto/Kconfig | 13 ++ drivers/crypto/Makefile | 1 + drivers/crypto/geode-aes.c | 474 +++++++++++++++++++++++++++++++++++++++++++++ drivers/crypto/geode-aes.h | 42 ++++ 4 files changed, 530 insertions(+) create mode 100644 drivers/crypto/geode-aes.c create mode 100644 drivers/crypto/geode-aes.h (limited to 'drivers') diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index adb554153f6..e816535ab30 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -51,4 +51,17 @@ config CRYPTO_DEV_PADLOCK_SHA If unsure say M. The compiled module will be called padlock-sha.ko +config CRYPTO_DEV_GEODE + tristate "Support for the Geode LX AES engine" + depends on CRYPTO && X86_32 + select CRYPTO_ALGAPI + select CRYPTO_BLKCIPHER + default m + help + Say 'Y' here to use the AMD Geode LX processor on-board AES + engine for the CryptoAPI AES alogrithm. + + To compile this driver as a module, choose M here: the module + will be called geode-aes. + endmenu diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 4c3d0ec1cf8..6059cf86941 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK) += padlock.o obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o +obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c new file mode 100644 index 00000000000..da2d35db8b4 --- /dev/null +++ b/drivers/crypto/geode-aes.c @@ -0,0 +1,474 @@ + /* Copyright (C) 2004-2006, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "geode-aes.h" + +/* Register definitions */ + +#define AES_CTRLA_REG 0x0000 + +#define AES_CTRL_START 0x01 +#define AES_CTRL_DECRYPT 0x00 +#define AES_CTRL_ENCRYPT 0x02 +#define AES_CTRL_WRKEY 0x04 +#define AES_CTRL_DCA 0x08 +#define AES_CTRL_SCA 0x10 +#define AES_CTRL_CBC 0x20 + +#define AES_INTR_REG 0x0008 + +#define AES_INTRA_PENDING (1 << 16) +#define AES_INTRB_PENDING (1 << 17) + +#define AES_INTR_PENDING (AES_INTRA_PENDING | AES_INTRB_PENDING) +#define AES_INTR_MASK 0x07 + +#define AES_SOURCEA_REG 0x0010 +#define AES_DSTA_REG 0x0014 +#define AES_LENA_REG 0x0018 +#define AES_WRITEKEY0_REG 0x0030 +#define AES_WRITEIV0_REG 0x0040 + +/* A very large counter that is used to gracefully bail out of an + * operation in case of trouble + */ + +#define AES_OP_TIMEOUT 0x50000 + +/* Static structures */ + +static void __iomem * _iobase; +static spinlock_t lock; + +/* Write a 128 bit field (either a writable key or IV) */ +static inline void +_writefield(u32 offset, void *value) +{ + int i; + for(i = 0; i < 4; i++) + iowrite32(((u32 *) value)[i], _iobase + offset + (i * 4)); +} + +/* Read a 128 bit field (either a writable key or IV) */ +static inline void +_readfield(u32 offset, void *value) +{ + int i; + for(i = 0; i < 4; i++) + ((u32 *) value)[i] = ioread32(_iobase + offset + (i * 4)); +} + +static int +do_crypt(void *src, void *dst, int len, u32 flags) +{ + u32 status; + u32 counter = AES_OP_TIMEOUT; + + iowrite32(virt_to_phys(src), _iobase + AES_SOURCEA_REG); + iowrite32(virt_to_phys(dst), _iobase + AES_DSTA_REG); + iowrite32(len, _iobase + AES_LENA_REG); + + /* Start the operation */ + iowrite32(AES_CTRL_START | flags, _iobase + AES_CTRLA_REG); + + do + status = ioread32(_iobase + AES_INTR_REG); + while(!(status & AES_INTRA_PENDING) && --counter); + + /* Clear the event */ + iowrite32((status & 0xFF) | AES_INTRA_PENDING, _iobase + AES_INTR_REG); + return counter ? 0 : 1; +} + +unsigned int +geode_aes_crypt(struct geode_aes_op *op) +{ + + u32 flags = 0; + int iflags; + + if (op->len == 0 || op->src == op->dst) + return 0; + + if (op->flags & AES_FLAGS_COHERENT) + flags |= (AES_CTRL_DCA | AES_CTRL_SCA); + + if (op->dir == AES_DIR_ENCRYPT) + flags |= AES_CTRL_ENCRYPT; + + /* Start the critical section */ + + spin_lock_irqsave(&lock, iflags); + + if (op->mode == AES_MODE_CBC) { + flags |= AES_CTRL_CBC; + _writefield(AES_WRITEIV0_REG, op->iv); + } + + if (op->flags & AES_FLAGS_USRKEY) { + flags |= AES_CTRL_WRKEY; + _writefield(AES_WRITEKEY0_REG, op->key); + } + + do_crypt(op->src, op->dst, op->len, flags); + + if (op->mode == AES_MODE_CBC) + _readfield(AES_WRITEIV0_REG, op->iv); + + spin_unlock_irqrestore(&lock, iflags); + + return op->len; +} + +/* CRYPTO-API Functions */ + +static int +geode_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int len) +{ + struct geode_aes_op *op = crypto_tfm_ctx(tfm); + + if (len != AES_KEY_LENGTH) { + tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; + } + + memcpy(op->key, key, len); + return 0; +} + +static void +geode_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) +{ + struct geode_aes_op *op = crypto_tfm_ctx(tfm); + + if ((out == NULL) || (in == NULL)) + return; + + op->src = (void *) in; + op->dst = (void *) out; + op->mode = AES_MODE_ECB; + op->flags = 0; + op->len = AES_MIN_BLOCK_SIZE; + op->dir = AES_DIR_ENCRYPT; + + geode_aes_crypt(op); +} + + +static void +geode_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) +{ + struct geode_aes_op *op = crypto_tfm_ctx(tfm); + + if ((out == NULL) || (in == NULL)) + return; + + op->src = (void *) in; + op->dst = (void *) out; + op->mode = AES_MODE_ECB; + op->flags = 0; + op->len = AES_MIN_BLOCK_SIZE; + op->dir = AES_DIR_DECRYPT; + + geode_aes_crypt(op); +} + + +static struct crypto_alg geode_alg = { + .cra_name = "aes", + .cra_driver_name = "geode-aes-128", + .cra_priority = 300, + .cra_alignmask = 15, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = AES_MIN_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct geode_aes_op), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(geode_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = AES_KEY_LENGTH, + .cia_max_keysize = AES_KEY_LENGTH, + .cia_setkey = geode_setkey, + .cia_encrypt = geode_encrypt, + .cia_decrypt = geode_decrypt + } + } +}; + +static int +geode_cbc_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct geode_aes_op *op = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err, ret; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while((nbytes = walk.nbytes)) { + op->src = walk.src.virt.addr, + op->dst = walk.dst.virt.addr; + op->mode = AES_MODE_CBC; + op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE); + op->dir = AES_DIR_DECRYPT; + + memcpy(op->iv, walk.iv, AES_IV_LENGTH); + + ret = geode_aes_crypt(op); + + memcpy(walk.iv, op->iv, AES_IV_LENGTH); + nbytes -= ret; + + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +static int +geode_cbc_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct geode_aes_op *op = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err, ret; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while((nbytes = walk.nbytes)) { + op->src = walk.src.virt.addr, + op->dst = walk.dst.virt.addr; + op->mode = AES_MODE_CBC; + op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE); + op->dir = AES_DIR_ENCRYPT; + + memcpy(op->iv, walk.iv, AES_IV_LENGTH); + + ret = geode_aes_crypt(op); + nbytes -= ret; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +static struct crypto_alg geode_cbc_alg = { + .cra_name = "cbc(aes)", + .cra_driver_name = "cbc-aes-geode-128", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_MIN_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct geode_aes_op), + .cra_alignmask = 15, + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(geode_cbc_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_KEY_LENGTH, + .max_keysize = AES_KEY_LENGTH, + .setkey = geode_setkey, + .encrypt = geode_cbc_encrypt, + .decrypt = geode_cbc_decrypt, + } + } +}; + +static int +geode_ecb_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct geode_aes_op *op = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err, ret; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while((nbytes = walk.nbytes)) { + op->src = walk.src.virt.addr, + op->dst = walk.dst.virt.addr; + op->mode = AES_MODE_ECB; + op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE); + op->dir = AES_DIR_DECRYPT; + + ret = geode_aes_crypt(op); + nbytes -= ret; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +static int +geode_ecb_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct geode_aes_op *op = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err, ret; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while((nbytes = walk.nbytes)) { + op->src = walk.src.virt.addr, + op->dst = walk.dst.virt.addr; + op->mode = AES_MODE_ECB; + op->len = nbytes - (nbytes % AES_MIN_BLOCK_SIZE); + op->dir = AES_DIR_ENCRYPT; + + ret = geode_aes_crypt(op); + nbytes -= ret; + ret = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +static struct crypto_alg geode_ecb_alg = { + .cra_name = "ecb(aes)", + .cra_driver_name = "ecb-aes-geode-128", + .cra_priority = 400, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_MIN_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct geode_aes_op), + .cra_alignmask = 15, + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(geode_ecb_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_KEY_LENGTH, + .max_keysize = AES_KEY_LENGTH, + .setkey = geode_setkey, + .encrypt = geode_ecb_encrypt, + .decrypt = geode_ecb_decrypt, + } + } +}; + +static void +geode_aes_remove(struct pci_dev *dev) +{ + crypto_unregister_alg(&geode_alg); + crypto_unregister_alg(&geode_ecb_alg); + crypto_unregister_alg(&geode_cbc_alg); + + pci_iounmap(dev, _iobase); + _iobase = NULL; + + pci_release_regions(dev); + pci_disable_device(dev); +} + + +static int +geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + int ret; + + if ((ret = pci_enable_device(dev))) + return ret; + + if ((ret = pci_request_regions(dev, "geode-aes-128"))) + goto eenable; + + _iobase = pci_iomap(dev, 0, 0); + + if (_iobase == NULL) { + ret = -ENOMEM; + goto erequest; + } + + spin_lock_init(&lock); + + /* Clear any pending activity */ + iowrite32(AES_INTR_PENDING | AES_INTR_MASK, _iobase + AES_INTR_REG); + + if ((ret = crypto_register_alg(&geode_alg))) + goto eiomap; + + if ((ret = crypto_register_alg(&geode_ecb_alg))) + goto ealg; + + if ((ret = crypto_register_alg(&geode_cbc_alg))) + goto eecb; + + printk(KERN_NOTICE "geode-aes: GEODE AES engine enabled.\n"); + return 0; + + eecb: + crypto_unregister_alg(&geode_ecb_alg); + + ealg: + crypto_unregister_alg(&geode_alg); + + eiomap: + pci_iounmap(dev, _iobase); + + erequest: + pci_release_regions(dev); + + eenable: + pci_disable_device(dev); + + printk(KERN_ERR "geode-aes: GEODE AES initialization failed.\n"); + return ret; +} + +static struct pci_device_id geode_aes_tbl[] = { + { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LX_AES, PCI_ANY_ID, PCI_ANY_ID} , + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, geode_aes_tbl); + +static struct pci_driver geode_aes_driver = { + .name = "Geode LX AES", + .id_table = geode_aes_tbl, + .probe = geode_aes_probe, + .remove = __devexit_p(geode_aes_remove) +}; + +static int __init +geode_aes_init(void) +{ + return pci_module_init(&geode_aes_driver); +} + +static void __exit +geode_aes_exit(void) +{ + pci_unregister_driver(&geode_aes_driver); +} + +MODULE_AUTHOR("Advanced Micro Devices, Inc."); +MODULE_DESCRIPTION("Geode LX Hardware AES driver"); +MODULE_LICENSE("GPL"); + +module_init(geode_aes_init); +module_exit(geode_aes_exit); diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h new file mode 100644 index 00000000000..3e3a571d4a2 --- /dev/null +++ b/drivers/crypto/geode-aes.h @@ -0,0 +1,42 @@ +/* Copyright (C) 2003-2006, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _GEODE_AES_H_ +#define _GEODE_AES_H_ + +#define AES_KEY_LENGTH 16 +#define AES_IV_LENGTH 16 + +#define AES_MIN_BLOCK_SIZE 16 + +#define AES_MODE_ECB 0 +#define AES_MODE_CBC 1 + +#define AES_DIR_DECRYPT 0 +#define AES_DIR_ENCRYPT 1 + +#define AES_FLAGS_USRKEY (1 << 0) +#define AES_FLAGS_COHERENT (1 << 1) + +struct geode_aes_op { + + void *src; + void *dst; + + u32 mode; + u32 dir; + u32 flags; + int len; + + u8 key[AES_KEY_LENGTH]; + u8 iv[AES_IV_LENGTH]; +}; + +unsigned int geode_aes_crypt(struct geode_aes_op *); + +#endif -- cgit v1.2.3 From 48527fa7cf7fefb84e9fe03cddd08ddafc9f15f3 Mon Sep 17 00:00:00 2001 From: Rik Snel Date: Sun, 3 Sep 2006 08:56:39 +1000 Subject: [BLOCK] dm-crypt: benbi IV, big endian narrow block count for LRW-32-AES LRW-32-AES needs a certain IV. This IV should be provided dm-crypt. The block cipher mode could, in principle generate the correct IV from the plain IV, but I think that it is cleaner to supply the right IV directly. The sector -> narrow block calculation uses a shift for performance reasons. This shift is computed in .ctr and stored in cc->iv_gen_private (as a void *). Signed-off-by: Rik Snel Signed-off-by: Herbert Xu --- drivers/md/dm-crypt.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index ed2d4ef27fd..6dbaeee48ce 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "dm.h" @@ -113,6 +114,9 @@ static kmem_cache_t *_crypt_io_pool; * encrypted with the bulk cipher using a salt as key. The salt * should be derived from the bulk cipher's key via hashing. * + * benbi: the 64-bit "big-endian 'narrow block'-count", starting at 1 + * (needed for LRW-32-AES and possible other narrow block modes) + * * plumb: unimplemented, see: * http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/454 */ @@ -209,6 +213,44 @@ static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, sector_t sector) return 0; } +static int crypt_iv_benbi_ctr(struct crypt_config *cc, struct dm_target *ti, + const char *opts) +{ + unsigned int bs = crypto_blkcipher_blocksize(cc->tfm); + int log = long_log2(bs); + + /* we need to calculate how far we must shift the sector count + * to get the cipher block count, we use this shift in _gen */ + + if (1 << log != bs) { + ti->error = "cypher blocksize is not a power of 2"; + return -EINVAL; + } + + if (log > 9) { + ti->error = "cypher blocksize is > 512"; + return -EINVAL; + } + + cc->iv_gen_private = (void *)(9 - log); + + return 0; +} + +static void crypt_iv_benbi_dtr(struct crypt_config *cc) +{ + cc->iv_gen_private = NULL; +} + +static int crypt_iv_benbi_gen(struct crypt_config *cc, u8 *iv, sector_t sector) +{ + memset(iv, 0, cc->iv_size - sizeof(u64)); /* rest is cleared below */ + put_unaligned(cpu_to_be64(((u64)sector << (u32)cc->iv_gen_private) + 1), + (__be64 *)(iv + cc->iv_size - sizeof(u64))); + + return 0; +} + static struct crypt_iv_operations crypt_iv_plain_ops = { .generator = crypt_iv_plain_gen }; @@ -219,6 +261,11 @@ static struct crypt_iv_operations crypt_iv_essiv_ops = { .generator = crypt_iv_essiv_gen }; +static struct crypt_iv_operations crypt_iv_benbi_ops = { + .ctr = crypt_iv_benbi_ctr, + .dtr = crypt_iv_benbi_dtr, + .generator = crypt_iv_benbi_gen +}; static int crypt_convert_scatterlist(struct crypt_config *cc, struct scatterlist *out, @@ -768,7 +815,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) cc->tfm = tfm; /* - * Choose ivmode. Valid modes: "plain", "essiv:". + * Choose ivmode. Valid modes: "plain", "essiv:", "benbi". * See comments at iv code */ @@ -778,6 +825,8 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) cc->iv_gen_ops = &crypt_iv_plain_ops; else if (strcmp(ivmode, "essiv") == 0) cc->iv_gen_ops = &crypt_iv_essiv_ops; + else if (strcmp(ivmode, "benbi") == 0) + cc->iv_gen_ops = &crypt_iv_benbi_ops; else { ti->error = "Invalid IV mode"; goto bad2; -- cgit v1.2.3 From 45789328e5aa2de96d4467e4445418364e5378d7 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 3 Sep 2006 08:58:41 +1000 Subject: [BLOCK] dm-crypt: Align IV to u64 for essiv This patch makes the IV u64-aligned since essiv does a u64 store to it. Signed-off-by: Herbert Xu --- drivers/md/dm-crypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 6dbaeee48ce..facf859b9b8 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -272,7 +272,7 @@ crypt_convert_scatterlist(struct crypt_config *cc, struct scatterlist *out, struct scatterlist *in, unsigned int length, int write, sector_t sector) { - u8 iv[cc->iv_size]; + u8 iv[cc->iv_size] __attribute__ ((aligned(__alignof__(u64)))); struct blkcipher_desc desc = { .tfm = cc->tfm, .info = iv, -- cgit v1.2.3 From ab7827059adbbcc3624afbc58880287eabf6d277 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 17 Nov 2006 13:43:55 +1100 Subject: [CRYPTO] geode: Make needlessly global geode_aes_crypt() static On Tue, Nov 14, 2006 at 01:41:25AM -0800, Andrew Morton wrote: >... > Changes since 2.6.19-rc5-mm2: >... > git-cryptodev.patch >... > git trees >... This patch makes the needlessly global geode_aes_crypt() static. Signed-off-by: Adrian Bunk Signed-off-by: Herbert Xu --- drivers/crypto/geode-aes.c | 2 +- drivers/crypto/geode-aes.h | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c index da2d35db8b4..43a68398656 100644 --- a/drivers/crypto/geode-aes.c +++ b/drivers/crypto/geode-aes.c @@ -97,7 +97,7 @@ do_crypt(void *src, void *dst, int len, u32 flags) return counter ? 0 : 1; } -unsigned int +static unsigned int geode_aes_crypt(struct geode_aes_op *op) { diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h index 3e3a571d4a2..8003a36f3a8 100644 --- a/drivers/crypto/geode-aes.h +++ b/drivers/crypto/geode-aes.h @@ -37,6 +37,4 @@ struct geode_aes_op { u8 iv[AES_IV_LENGTH]; }; -unsigned int geode_aes_crypt(struct geode_aes_op *); - #endif -- cgit v1.2.3 From 8df3b0a219967080d9dc4b604b5fecacb6967af0 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sat, 2 Dec 2006 14:36:03 +1100 Subject: [CRYPTO] cryptoloop: Select CRYPTO_CBC As CBC is the default chaining method for cryptoloop, we should select it from cryptoloop to ease the transition. Signed-off-by: Herbert Xu --- drivers/block/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 17dc22282e1..e00568e0952 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -305,6 +305,7 @@ config BLK_DEV_LOOP config BLK_DEV_CRYPTOLOOP tristate "Cryptoloop Support" select CRYPTO + select CRYPTO_CBC depends on BLK_DEV_LOOP ---help--- Say Y here if you want to be able to use the ciphers that are -- cgit v1.2.3 From 79066ad32be5bb2edf16733aec36acf2af03fc99 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Tue, 5 Dec 2006 13:41:52 -0800 Subject: [CRYPTO] dm-crypt: Make iv_gen_private a union Rather than stuffing integers into pointers with casts, let's use a union. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- drivers/md/dm-crypt.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index facf859b9b8..0d8686505e5 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -86,7 +86,10 @@ struct crypt_config { */ struct crypt_iv_operations *iv_gen_ops; char *iv_mode; - struct crypto_cipher *iv_gen_private; + union { + struct crypto_cipher *essiv_tfm; + int benbi_shift; + } iv_gen_private; sector_t iv_offset; unsigned int iv_size; @@ -195,21 +198,21 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, } kfree(salt); - cc->iv_gen_private = essiv_tfm; + cc->iv_gen_private.essiv_tfm = essiv_tfm; return 0; } static void crypt_iv_essiv_dtr(struct crypt_config *cc) { - crypto_free_cipher(cc->iv_gen_private); - cc->iv_gen_private = NULL; + crypto_free_cipher(cc->iv_gen_private.essiv_tfm); + cc->iv_gen_private.essiv_tfm = NULL; } static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, sector_t sector) { memset(iv, 0, cc->iv_size); *(u64 *)iv = cpu_to_le64(sector); - crypto_cipher_encrypt_one(cc->iv_gen_private, iv, iv); + crypto_cipher_encrypt_one(cc->iv_gen_private.essiv_tfm, iv, iv); return 0; } @@ -232,21 +235,23 @@ static int crypt_iv_benbi_ctr(struct crypt_config *cc, struct dm_target *ti, return -EINVAL; } - cc->iv_gen_private = (void *)(9 - log); + cc->iv_gen_private.benbi_shift = 9 - log; return 0; } static void crypt_iv_benbi_dtr(struct crypt_config *cc) { - cc->iv_gen_private = NULL; } static int crypt_iv_benbi_gen(struct crypt_config *cc, u8 *iv, sector_t sector) { + __be64 val; + memset(iv, 0, cc->iv_size - sizeof(u64)); /* rest is cleared below */ - put_unaligned(cpu_to_be64(((u64)sector << (u32)cc->iv_gen_private) + 1), - (__be64 *)(iv + cc->iv_size - sizeof(u64))); + + val = cpu_to_be64(((u64)sector << cc->iv_gen_private.benbi_shift) + 1); + put_unaligned(val, (__be64 *)(iv + cc->iv_size - sizeof(u64))); return 0; } -- cgit v1.2.3 From b259e7d250e15d45b3c8362917931aaff1c88d73 Mon Sep 17 00:00:00 2001 From: Paul Sokolovsky Date: Wed, 6 Dec 2006 20:07:59 -0800 Subject: [IrDA]: PXA FIR code device model conversion pxaficp_ir.c was not converted to the device model framework. Signed-off-by: Paul Sokolovsky Signed-off-by: Andrew Morton Signed-off-by: Samuel Ortiz Signed-off-by: David S. Miller --- drivers/net/irda/pxaficp_ir.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index f9a1c88a428..9137e239fac 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -704,9 +704,9 @@ static int pxa_irda_stop(struct net_device *dev) return 0; } -static int pxa_irda_suspend(struct device *_dev, pm_message_t state) +static int pxa_irda_suspend(struct platform_device *_dev, pm_message_t state) { - struct net_device *dev = dev_get_drvdata(_dev); + struct net_device *dev = platform_get_drvdata(_dev); struct pxa_irda *si; if (dev && netif_running(dev)) { @@ -718,9 +718,9 @@ static int pxa_irda_suspend(struct device *_dev, pm_message_t state) return 0; } -static int pxa_irda_resume(struct device *_dev) +static int pxa_irda_resume(struct platform_device *_dev) { - struct net_device *dev = dev_get_drvdata(_dev); + struct net_device *dev = platform_get_drvdata(_dev); struct pxa_irda *si; if (dev && netif_running(dev)) { @@ -746,9 +746,8 @@ static int pxa_irda_init_iobuf(iobuff_t *io, int size) return io->head ? 0 : -ENOMEM; } -static int pxa_irda_probe(struct device *_dev) +static int pxa_irda_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(_dev); struct net_device *dev; struct pxa_irda *si; unsigned int baudrate_mask; @@ -822,9 +821,9 @@ err_mem_1: return err; } -static int pxa_irda_remove(struct device *_dev) +static int pxa_irda_remove(struct platform_device *_dev) { - struct net_device *dev = dev_get_drvdata(_dev); + struct net_device *dev = platform_get_drvdata(_dev); if (dev) { struct pxa_irda *si = netdev_priv(dev); @@ -840,9 +839,10 @@ static int pxa_irda_remove(struct device *_dev) return 0; } -static struct device_driver pxa_ir_driver = { - .name = "pxa2xx-ir", - .bus = &platform_bus_type, +static struct platform_driver pxa_ir_driver = { + .driver = { + .name = "pxa2xx-ir", + }, .probe = pxa_irda_probe, .remove = pxa_irda_remove, .suspend = pxa_irda_suspend, @@ -851,12 +851,12 @@ static struct device_driver pxa_ir_driver = { static int __init pxa_irda_init(void) { - return driver_register(&pxa_ir_driver); + return platform_driver_register(&pxa_ir_driver); } static void __exit pxa_irda_exit(void) { - driver_unregister(&pxa_ir_driver); + platform_driver_unregister(&pxa_ir_driver); } module_init(pxa_irda_init); -- cgit v1.2.3 From 776c9443e28dddbde9b513db6cb8221c45b3a269 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 22:24:38 +1000 Subject: drm: add support for secondary vertical blank interrupt to DRM core Signed-off-by: Dave Airlie --- drivers/char/drm/drm.h | 4 ++- drivers/char/drm/drmP.h | 4 +++ drivers/char/drm/drm_core.h | 8 ++--- drivers/char/drm/drm_irq.c | 72 ++++++++++++++++++++++++++++++--------------- 4 files changed, 60 insertions(+), 28 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 5642ac43e0f..077d0b1914a 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -465,10 +465,12 @@ typedef struct drm_irq_busid { typedef enum { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ } drm_vblank_seq_type_t; -#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL +#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY) struct drm_wait_vblank_request { drm_vblank_seq_type_t type; diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 7690a59ace0..d7135d41a42 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -97,6 +97,7 @@ #define DRIVER_IRQ_VBL 0x100 #define DRIVER_DMA_QUEUE 0x200 #define DRIVER_FB_DMA 0x400 +#define DRIVER_IRQ_VBL2 0x800 /***********************************************************************/ /** \name Begin the DRM... */ @@ -562,6 +563,7 @@ struct drm_driver { void (*kernel_context_switch_unlock) (struct drm_device * dev, drm_lock_t *lock); int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); + int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence); int (*dri_library_name) (struct drm_device *dev, char *buf); /** @@ -708,8 +710,10 @@ typedef struct drm_device { wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ atomic_t vbl_received; + atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ spinlock_t vbl_lock; drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ + drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */ unsigned int vbl_pending; /*@} */ diff --git a/drivers/char/drm/drm_core.h b/drivers/char/drm/drm_core.h index f4f9db6c7ed..31673903607 100644 --- a/drivers/char/drm/drm_core.h +++ b/drivers/char/drm/drm_core.h @@ -24,11 +24,11 @@ #define CORE_NAME "drm" #define CORE_DESC "DRM shared core routines" -#define CORE_DATE "20051102" +#define CORE_DATE "20060810" #define DRM_IF_MAJOR 1 -#define DRM_IF_MINOR 2 +#define DRM_IF_MINOR 3 #define CORE_MAJOR 1 -#define CORE_MINOR 0 -#define CORE_PATCHLEVEL 1 +#define CORE_MINOR 1 +#define CORE_PATCHLEVEL 0 diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index 4553a3a1e49..3c77756aad9 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -121,6 +121,7 @@ static int drm_irq_install(drm_device_t * dev) spin_lock_init(&dev->vbl_lock); INIT_LIST_HEAD(&dev->vbl_sigs.head); + INIT_LIST_HEAD(&dev->vbl_sigs2.head); dev->vbl_pending = 0; } @@ -248,9 +249,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) struct timeval now; int ret = 0; unsigned int flags; - - if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL)) - return -EINVAL; + atomic_t *seq; if (!dev->irq) return -EINVAL; @@ -258,9 +257,26 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) if (copy_from_user(&vblwait, argp, sizeof(vblwait))) return -EFAULT; - switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) { + if (vblwait.request.type & + ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) { + DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n", + vblwait.request.type, + (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)); + return -EINVAL; + } + + flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; + + if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ? + DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL)) + return -EINVAL; + + seq = (flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2 : + &dev->vbl_received; + + switch (vblwait.request.type & _DRM_VBLANK_TYPES_MASK) { case _DRM_VBLANK_RELATIVE: - vblwait.request.sequence += atomic_read(&dev->vbl_received); + vblwait.request.sequence += atomic_read(seq); vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; case _DRM_VBLANK_ABSOLUTE: break; @@ -268,13 +284,13 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) return -EINVAL; } - flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; - if (flags & _DRM_VBLANK_SIGNAL) { unsigned long irqflags; + drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY) + ? &dev->vbl_sigs2 : &dev->vbl_sigs; drm_vbl_sig_t *vbl_sig; - vblwait.reply.sequence = atomic_read(&dev->vbl_received); + vblwait.reply.sequence = atomic_read(seq); spin_lock_irqsave(&dev->vbl_lock, irqflags); @@ -282,7 +298,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) * for the same vblank sequence number; nothing to be done in * that case */ - list_for_each_entry(vbl_sig, &dev->vbl_sigs.head, head) { + list_for_each_entry(vbl_sig, &vbl_sigs->head, head) { if (vbl_sig->sequence == vblwait.request.sequence && vbl_sig->info.si_signo == vblwait.request.signal && vbl_sig->task == current) { @@ -315,11 +331,14 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) spin_lock_irqsave(&dev->vbl_lock, irqflags); - list_add_tail((struct list_head *)vbl_sig, &dev->vbl_sigs.head); + list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } else { - if (dev->driver->vblank_wait) + if (flags & _DRM_VBLANK_SECONDARY) { + if (dev->driver->vblank_wait2) + ret = dev->driver->vblank_wait2(dev, &vblwait.request.sequence); + } else if (dev->driver->vblank_wait) ret = dev->driver->vblank_wait(dev, &vblwait.request.sequence); @@ -347,25 +366,32 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) */ void drm_vbl_send_signals(drm_device_t * dev) { - struct list_head *list, *tmp; - drm_vbl_sig_t *vbl_sig; - unsigned int vbl_seq = atomic_read(&dev->vbl_received); unsigned long flags; + int i; spin_lock_irqsave(&dev->vbl_lock, flags); - list_for_each_safe(list, tmp, &dev->vbl_sigs.head) { - vbl_sig = list_entry(list, drm_vbl_sig_t, head); - if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { - vbl_sig->info.si_code = vbl_seq; - send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info, - vbl_sig->task); + for (i = 0; i < 2; i++) { + struct list_head *list, *tmp; + drm_vbl_sig_t *vbl_sig; + drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs; + unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 : + &dev->vbl_received); + + list_for_each_safe(list, tmp, &vbl_sigs->head) { + vbl_sig = list_entry(list, drm_vbl_sig_t, head); + if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { + vbl_sig->info.si_code = vbl_seq; + send_sig_info(vbl_sig->info.si_signo, + &vbl_sig->info, vbl_sig->task); - list_del(list); + list_del(list); - drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER); + drm_free(vbl_sig, sizeof(*vbl_sig), + DRM_MEM_DRIVER); - dev->vbl_pending--; + dev->vbl_pending--; + } } } -- cgit v1.2.3 From 68815bad7239989d92f315c10d9ef65a11945a75 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 22:28:51 +1000 Subject: drm: add support for secondary vertical blank interrupt to i915 When the vertical blank interrupt is enabled for both pipes, pipe A is considered primary and pipe B secondary. When it's only enabled for one pipe, it's always considered primary for backwards compatibility. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.c | 4 +++- drivers/char/drm/i915_drv.h | 1 + drivers/char/drm/i915_irq.c | 26 +++++++++++++++++++++++--- 3 files changed, 27 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 8e2e6095c4b..85bcc276f80 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -44,12 +44,14 @@ static struct drm_driver driver = { */ .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ - DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | + DRIVER_IRQ_VBL2, .load = i915_driver_load, .lastclose = i915_driver_lastclose, .preclose = i915_driver_preclose, .device_is_agp = i915_driver_device_is_agp, .vblank_wait = i915_driver_vblank_wait, + .vblank_wait2 = i915_driver_vblank_wait2, .irq_preinstall = i915_driver_irq_preinstall, .irq_postinstall = i915_driver_irq_postinstall, .irq_uninstall = i915_driver_irq_uninstall, diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index fdc2bf19271..5f0c4fa04da 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -117,6 +117,7 @@ extern int i915_irq_emit(DRM_IOCTL_ARGS); extern int i915_irq_wait(DRM_IOCTL_ARGS); extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); +extern int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(drm_device_t * dev); extern void i915_driver_irq_postinstall(drm_device_t * dev); diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 0d4a162aa38..33d40187696 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -60,7 +60,16 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) DRM_WAKEUP(&dev_priv->irq_queue); if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) { - atomic_inc(&dev->vbl_received); + if ((dev_priv->vblank_pipe & + (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) + == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) { + if (temp & VSYNC_PIPEA_FLAG) + atomic_inc(&dev->vbl_received); + if (temp & VSYNC_PIPEB_FLAG) + atomic_inc(&dev->vbl_received2); + } else + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); } @@ -120,7 +129,8 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr) return ret; } -int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +static int i915_driver_vblank_do_wait(drm_device_t *dev, unsigned int *sequence, + atomic_t *counter) { drm_i915_private_t *dev_priv = dev->dev_private; unsigned int cur_vblank; @@ -132,7 +142,7 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) } DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(&dev->vbl_received)) + (((cur_vblank = atomic_read(counter)) - *sequence) <= (1<<23))); *sequence = cur_vblank; @@ -141,6 +151,16 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) } +int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received); +} + +int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence) +{ + return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2); +} + /* Needs the lock as it touches the ring. */ int i915_irq_emit(DRM_IOCTL_ARGS) -- cgit v1.2.3 From bea5679f9cb97b7e41786c8500df56665cd21e56 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:04:19 +1000 Subject: drm: Add support for tracking drawable information to core Actually make the existing ioctls for adding and removing drawables do something useful, and add another ioctl for the X server to update drawable information. The only kind of drawable information tracked so far is cliprects. Only reallocate cliprect memory if the number of cliprects changes. Also improve diagnostic output. hook up drm ioctl update draw export drm_get_drawable_info symbol Signed-off-by: Dave Airlie --- drivers/char/drm/drm.h | 24 +++++ drivers/char/drm/drmP.h | 13 +++ drivers/char/drm/drm_drawable.c | 230 ++++++++++++++++++++++++++++++++++++++-- drivers/char/drm/drm_drv.c | 2 + drivers/char/drm/drm_stub.c | 1 + 5 files changed, 262 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 077d0b1914a..07a699029c3 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -116,6 +116,14 @@ typedef struct drm_clip_rect { unsigned short y2; } drm_clip_rect_t; +/** + * Drawable information. + */ +typedef struct drm_drawable_info { + unsigned int num_rects; + drm_clip_rect_t *rects; +} drm_drawable_info_t; + /** * Texture region, */ @@ -443,6 +451,20 @@ typedef struct drm_draw { drm_drawable_t handle; } drm_draw_t; +/** + * DRM_IOCTL_UPDATE_DRAW ioctl argument type. + */ +typedef enum { + DRM_DRAWABLE_CLIPRECTS, +} drm_drawable_info_type_t; + +typedef struct drm_update_draw { + drm_drawable_t handle; + unsigned int type; + unsigned int num; + unsigned long long data; +} drm_update_draw_t; + /** * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. */ @@ -625,6 +647,8 @@ typedef struct drm_set_version { #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t) +#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, drm_update_draw_t) + /** * Device specific ioctls should only be in their respective headers * The device specific ioctl range is from 0x40 to 0x79. diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index d7135d41a42..01e1f252865 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -742,6 +742,15 @@ typedef struct drm_device { drm_local_map_t *agp_buffer_map; unsigned int agp_buffer_token; drm_head_t primary; /**< primary screen head */ + + /** \name Drawable information */ + /*@{ */ + spinlock_t drw_lock; + unsigned int drw_bitfield_length; + u32 *drw_bitfield; + unsigned int drw_info_length; + drm_drawable_info_t **drw_info; + /*@} */ } drm_device_t; static __inline__ int drm_core_check_feature(struct drm_device *dev, @@ -889,6 +898,10 @@ extern int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int drm_update_drawable_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, + drm_drawable_t id); /* Authentication IOCTL support (drm_auth.h) */ extern int drm_getmagic(struct inode *inode, struct file *filp, diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c index 7857453c4f4..e5f97def26b 100644 --- a/drivers/char/drm/drm_drawable.c +++ b/drivers/char/drm/drm_drawable.c @@ -4,6 +4,7 @@ * * \author Rickard E. (Rik) Faith * \author Gareth Hughes + * \author Michel Dänzer */ /* @@ -36,21 +37,234 @@ #include "drmP.h" /** No-op. */ -int drm_adddraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_adddraw(DRM_IOCTL_ARGS) { + DRM_DEVICE; + unsigned long irqflags; + int i, j = 0; drm_draw_t draw; - draw.handle = 0; /* NOOP */ + spin_lock_irqsave(&dev->drw_lock, irqflags); + + for (i = 0; i < dev->drw_bitfield_length; i++) { + u32 bitfield = dev->drw_bitfield[i]; + + if (bitfield == ~0) + continue; + + for (; j < sizeof(bitfield); j++) + if (!(bitfield & (1 << j))) + goto done; + } +done: + + if (i == dev->drw_bitfield_length) { + u32 *new_bitfield = drm_realloc(dev->drw_bitfield, i * 4, + (i + 1) * 4, DRM_MEM_BUFS); + + if (!new_bitfield) { + DRM_ERROR("Failed to allocate new drawable bitfield\n"); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(ENOMEM); + } + + if (32 * (i + 1) > dev->drw_info_length) { + void *new_info = drm_realloc(dev->drw_info, + dev->drw_info_length * + sizeof(drm_drawable_info_t*), + 32 * (i + 1) * + sizeof(drm_drawable_info_t*), + DRM_MEM_BUFS); + + if (!new_info) { + DRM_ERROR("Failed to allocate new drawable info" + " array\n"); + + drm_free(new_bitfield, (i + 1) * 4, DRM_MEM_BUFS); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(ENOMEM); + } + + dev->drw_info = (drm_drawable_info_t**)new_info; + } + + new_bitfield[i] = 0; + + dev->drw_bitfield = new_bitfield; + dev->drw_bitfield_length++; + } + + dev->drw_bitfield[i] |= 1 << j; + + draw.handle = i * sizeof(u32) + j; DRM_DEBUG("%d\n", draw.handle); - if (copy_to_user((drm_draw_t __user *) arg, &draw, sizeof(draw))) - return -EFAULT; + + dev->drw_info[draw.handle] = NULL; + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw)); + return 0; } /** No-op. */ -int drm_rmdraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_rmdraw(DRM_IOCTL_ARGS) { - return 0; /* NOOP */ + DRM_DEVICE; + drm_draw_t draw; + unsigned int idx, mod; + unsigned long irqflags; + + DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data, + sizeof(draw)); + + idx = draw.handle / 32; + mod = draw.handle % 32; + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (idx >= dev->drw_bitfield_length || + !(dev->drw_bitfield[idx] & (1 << mod))) { + DRM_DEBUG("No such drawable %d\n", draw.handle); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return 0; + } + + dev->drw_bitfield[idx] &= ~(1 << mod); + + if (idx == (dev->drw_bitfield_length - 1)) { + while (idx >= 0 && !dev->drw_bitfield[idx]) + --idx; + + if (idx != draw.handle / 32) { + u32 *new_bitfield = drm_realloc(dev->drw_bitfield, + dev->drw_bitfield_length * 4, + (idx + 1) * 4, + DRM_MEM_BUFS); + + if (new_bitfield || idx == -1) { + dev->drw_bitfield = new_bitfield; + dev->drw_bitfield_length = idx + 1; + } + } + } + + if (32 * dev->drw_bitfield_length < dev->drw_info_length) { + void *new_info = drm_realloc(dev->drw_info, + dev->drw_info_length * + sizeof(drm_drawable_info_t*), + 32 * dev->drw_bitfield_length * + sizeof(drm_drawable_info_t*), + DRM_MEM_BUFS); + + if (new_info || !dev->drw_bitfield_length) { + dev->drw_info = (drm_drawable_info_t**)new_info; + dev->drw_info_length = 32 * dev->drw_bitfield_length; + } + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + DRM_DEBUG("%d\n", draw.handle); + return 0; +} + +int drm_update_drawable_info(DRM_IOCTL_ARGS) { + DRM_DEVICE; + drm_update_draw_t update; + unsigned int id, idx, mod; + unsigned long irqflags; + drm_drawable_info_t *info; + void *new_data; + + DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data, + sizeof(update)); + + id = update.handle; + idx = id / 32; + mod = id % 32; + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (idx >= dev->drw_bitfield_length || + !(dev->drw_bitfield[idx] & (1 << mod))) { + DRM_ERROR("No such drawable %d\n", update.handle); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(EINVAL); + } + + info = dev->drw_info[id]; + + if (!info) { + info = drm_calloc(1, sizeof(drm_drawable_info_t), DRM_MEM_BUFS); + + if (!info) { + DRM_ERROR("Failed to allocate drawable info memory\n"); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(ENOMEM); + } + + dev->drw_info[id] = info; + } + + switch (update.type) { + case DRM_DRAWABLE_CLIPRECTS: + if (update.num != info->num_rects) { + new_data = drm_alloc(update.num * + sizeof(drm_clip_rect_t), + DRM_MEM_BUFS); + + if (!new_data) { + DRM_ERROR("Can't allocate cliprect memory\n"); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(ENOMEM); + } + + info->rects = new_data; + } + + if (DRM_COPY_FROM_USER(info->rects, + (drm_clip_rect_t __user *) + (unsigned long)update.data, + update.num * sizeof(drm_clip_rect_t))) { + DRM_ERROR("Can't copy cliprects from userspace\n"); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(EFAULT); + } + + if (update.num != info->num_rects) { + drm_free(info->rects, info->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + info->num_rects = update.num; + } + + DRM_DEBUG("Updated %d cliprects for drawable %d\n", + info->num_rects, id); + break; + default: + DRM_ERROR("Invalid update type %d\n", update.type); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + return DRM_ERR(EINVAL); + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + return 0; +} + +/** + * Caller must hold the drawable spinlock! + */ +drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) { + unsigned int idx = id / 32, mod = id % 32; + + if (idx >= dev->drw_bitfield_length || + !(dev->drw_bitfield[idx] & (1 << mod))) { + DRM_DEBUG("No such drawable %d\n", id); + return NULL; + } + + return dev->drw_info[id]; } +EXPORT_SYMBOL(drm_get_drawable_info); diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index b366c5b1bd1..59de4a01515 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -116,6 +116,8 @@ static drm_ioctl_desc_t drm_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0}, + + [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, }; #define DRIVER_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 7b1d4e8659b..6f748e194cf 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c @@ -60,6 +60,7 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, int retcode; spin_lock_init(&dev->count_lock); + spin_lock_init(&dev->drw_lock); init_timer(&dev->timer); mutex_init(&dev->struct_mutex); mutex_init(&dev->ctxlist_mutex); -- cgit v1.2.3 From 2e54a007622ac75d63bdc1dd71d435446293f4a9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:08:16 +1000 Subject: drm: Add support for interrupt triggered driver callback with lock held to DRM core. Signed-off-by: Dave Airlie --- drivers/char/drm/drmP.h | 3 ++ drivers/char/drm/drm_irq.c | 76 +++++++++++++++++++++++++++++++++++++++++++++ drivers/char/drm/drm_lock.c | 11 +++++++ 3 files changed, 90 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 01e1f252865..2f18329c5eb 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -715,6 +715,8 @@ typedef struct drm_device { drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */ unsigned int vbl_pending; + spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ + void (*locked_tasklet_func)(struct drm_device *dev); /*@} */ cycles_t ctx_start; @@ -966,6 +968,7 @@ extern int drm_wait_vblank(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq); extern void drm_vbl_send_signals(drm_device_t * dev); +extern void drm_locked_tasklet(drm_device_t *dev, void(*func)(drm_device_t*)); /* AGP/GART support (drm_agpsupport.h) */ extern drm_agp_head_t *drm_agp_init(drm_device_t * dev); diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index 3c77756aad9..2b10e5b60cf 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -119,6 +119,7 @@ static int drm_irq_install(drm_device_t * dev) init_waitqueue_head(&dev->vbl_queue); spin_lock_init(&dev->vbl_lock); + spin_lock_init(&dev->tasklet_lock); INIT_LIST_HEAD(&dev->vbl_sigs.head); INIT_LIST_HEAD(&dev->vbl_sigs2.head); @@ -176,6 +177,8 @@ int drm_irq_uninstall(drm_device_t * dev) free_irq(dev->irq, dev); + dev->locked_tasklet_func = NULL; + return 0; } @@ -399,3 +402,76 @@ void drm_vbl_send_signals(drm_device_t * dev) } EXPORT_SYMBOL(drm_vbl_send_signals); + +/** + * Tasklet wrapper function. + * + * \param data DRM device in disguise. + * + * Attempts to grab the HW lock and calls the driver callback on success. On + * failure, leave the lock marked as contended so the callback can be called + * from drm_unlock(). + */ +static void drm_locked_tasklet_func(unsigned long data) +{ + drm_device_t *dev = (drm_device_t*)data; + unsigned long irqflags; + + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (!dev->locked_tasklet_func || + !drm_lock_take(&dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + return; + } + + dev->lock.lock_time = jiffies; + atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); + + dev->locked_tasklet_func(dev); + + drm_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT); + + dev->locked_tasklet_func = NULL; + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); +} + +/** + * Schedule a tasklet to call back a driver hook with the HW lock held. + * + * \param dev DRM device. + * \param func Driver callback. + * + * This is intended for triggering actions that require the HW lock from an + * interrupt handler. The lock will be grabbed ASAP after the interrupt handler + * completes. Note that the callback may be called from interrupt or process + * context, it must not make any assumptions about this. Also, the HW lock will + * be held with the kernel context or any client context. + */ +void drm_locked_tasklet(drm_device_t *dev, void (*func)(drm_device_t*)) +{ + unsigned long irqflags; + static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0); + + if (test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state)) + return; + + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (dev->locked_tasklet_func) { + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + return; + } + + dev->locked_tasklet_func = func; + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + + drm_tasklet.data = (unsigned long)dev; + + tasklet_hi_schedule(&drm_tasklet); +} +EXPORT_SYMBOL(drm_locked_tasklet); diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index f9e45303498..e0abe5c6842 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -155,6 +155,7 @@ int drm_unlock(struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_lock_t lock; + unsigned int irqflags; if (copy_from_user(&lock, (drm_lock_t __user *) arg, sizeof(lock))) return -EFAULT; @@ -165,6 +166,16 @@ int drm_unlock(struct inode *inode, struct file *filp, return -EINVAL; } + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (dev->locked_tasklet_func) { + dev->locked_tasklet_func(dev); + + dev->locked_tasklet_func = NULL; + } + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); /* kernel_context_switch isn't used by any of the x86 drm -- cgit v1.2.3 From b03ed6f2fc519930fe3950365be59f0c079ce5d8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:18:49 +1000 Subject: drm: drawable locking + memory management fixes + copyright Signed-off-by: Dave Airlie --- drivers/char/drm/drm_drawable.c | 262 ++++++++++++++++++++++++---------------- 1 file changed, 155 insertions(+), 107 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c index e5f97def26b..5580c5731eb 100644 --- a/drivers/char/drm/drm_drawable.c +++ b/drivers/char/drm/drm_drawable.c @@ -12,6 +12,7 @@ * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, North Dakota. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -36,70 +37,86 @@ #include "drmP.h" -/** No-op. */ +/** + * Allocate drawable ID and memory to store information about it. + */ int drm_adddraw(DRM_IOCTL_ARGS) { DRM_DEVICE; unsigned long irqflags; - int i, j = 0; + int i, j; + u32 *bitfield = dev->drw_bitfield; + unsigned int bitfield_length = dev->drw_bitfield_length; + drm_drawable_info_t **info = dev->drw_info; + unsigned int info_length = dev->drw_info_length; drm_draw_t draw; - spin_lock_irqsave(&dev->drw_lock, irqflags); - - for (i = 0; i < dev->drw_bitfield_length; i++) { - u32 bitfield = dev->drw_bitfield[i]; - - if (bitfield == ~0) + for (i = 0, j = 0; i < bitfield_length; i++) { + if (bitfield[i] == ~0) continue; - for (; j < sizeof(bitfield); j++) - if (!(bitfield & (1 << j))) + for (; j < 8 * sizeof(*bitfield); j++) + if (!(bitfield[i] & (1 << j))) goto done; } done: - if (i == dev->drw_bitfield_length) { - u32 *new_bitfield = drm_realloc(dev->drw_bitfield, i * 4, - (i + 1) * 4, DRM_MEM_BUFS); + if (i == bitfield_length) { + bitfield_length++; + + bitfield = drm_alloc(bitfield_length * sizeof(*bitfield), + DRM_MEM_BUFS); - if (!new_bitfield) { + if (!bitfield) { DRM_ERROR("Failed to allocate new drawable bitfield\n"); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); return DRM_ERR(ENOMEM); } - if (32 * (i + 1) > dev->drw_info_length) { - void *new_info = drm_realloc(dev->drw_info, - dev->drw_info_length * - sizeof(drm_drawable_info_t*), - 32 * (i + 1) * - sizeof(drm_drawable_info_t*), - DRM_MEM_BUFS); + if (8 * sizeof(*bitfield) * bitfield_length > info_length) { + info_length += 8 * sizeof(*bitfield); - if (!new_info) { + info = drm_alloc(info_length * sizeof(*info), + DRM_MEM_BUFS); + + if (!info) { DRM_ERROR("Failed to allocate new drawable info" " array\n"); - drm_free(new_bitfield, (i + 1) * 4, DRM_MEM_BUFS); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); + drm_free(bitfield, + bitfield_length * sizeof(*bitfield), + DRM_MEM_BUFS); return DRM_ERR(ENOMEM); } - - dev->drw_info = (drm_drawable_info_t**)new_info; } - new_bitfield[i] = 0; - - dev->drw_bitfield = new_bitfield; - dev->drw_bitfield_length++; + bitfield[i] = 0; } - dev->drw_bitfield[i] |= 1 << j; - - draw.handle = i * sizeof(u32) + j; + draw.handle = i * 8 * sizeof(*bitfield) + j; DRM_DEBUG("%d\n", draw.handle); - dev->drw_info[draw.handle] = NULL; + spin_lock_irqsave(&dev->drw_lock, irqflags); + + bitfield[i] |= 1 << j; + info[draw.handle] = NULL; + + if (bitfield != dev->drw_bitfield) { + memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length * + sizeof(*bitfield)); + drm_free(dev->drw_bitfield, sizeof(*bitfield) * + dev->drw_bitfield_length, DRM_MEM_BUFS); + dev->drw_bitfield = bitfield; + dev->drw_bitfield_length = bitfield_length; + } + + if (info != dev->drw_info) { + memcpy(info, dev->drw_info, dev->drw_info_length * + sizeof(*info)); + drm_free(dev->drw_info, sizeof(*info) * dev->drw_info_length, + DRM_MEM_BUFS); + dev->drw_info = info; + dev->drw_info_length = info_length; + } spin_unlock_irqrestore(&dev->drw_lock, irqflags); @@ -108,63 +125,85 @@ done: return 0; } -/** No-op. */ +/** + * Free drawable ID and memory to store information about it. + */ int drm_rmdraw(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_draw_t draw; - unsigned int idx, mod; + unsigned int idx, shift; unsigned long irqflags; + u32 *bitfield = dev->drw_bitfield; + unsigned int bitfield_length = dev->drw_bitfield_length; + drm_drawable_info_t **info = dev->drw_info; + unsigned int info_length = dev->drw_info_length; DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data, sizeof(draw)); - idx = draw.handle / 32; - mod = draw.handle % 32; + idx = draw.handle / (8 * sizeof(*bitfield)); + shift = draw.handle % (8 * sizeof(*bitfield)); - spin_lock_irqsave(&dev->drw_lock, irqflags); - - if (idx >= dev->drw_bitfield_length || - !(dev->drw_bitfield[idx] & (1 << mod))) { + if (idx >= bitfield_length || + !(bitfield[idx] & (1 << shift))) { DRM_DEBUG("No such drawable %d\n", draw.handle); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); return 0; } - dev->drw_bitfield[idx] &= ~(1 << mod); + spin_lock_irqsave(&dev->drw_lock, irqflags); + + bitfield[idx] &= ~(1 << shift); + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); - if (idx == (dev->drw_bitfield_length - 1)) { - while (idx >= 0 && !dev->drw_bitfield[idx]) + /* Can we shrink the arrays? */ + if (idx == bitfield_length - 1) { + while (idx >= 0 && !bitfield[idx]) --idx; - if (idx != draw.handle / 32) { - u32 *new_bitfield = drm_realloc(dev->drw_bitfield, - dev->drw_bitfield_length * 4, - (idx + 1) * 4, - DRM_MEM_BUFS); + bitfield_length = idx + 1; - if (new_bitfield || idx == -1) { - dev->drw_bitfield = new_bitfield; - dev->drw_bitfield_length = idx + 1; - } + if (idx != draw.handle / (8 * sizeof(*bitfield))) + bitfield = drm_alloc(bitfield_length * + sizeof(*bitfield), DRM_MEM_BUFS); + + if (!bitfield && bitfield_length) { + bitfield = dev->drw_bitfield; + bitfield_length = dev->drw_bitfield_length; } } - if (32 * dev->drw_bitfield_length < dev->drw_info_length) { - void *new_info = drm_realloc(dev->drw_info, - dev->drw_info_length * - sizeof(drm_drawable_info_t*), - 32 * dev->drw_bitfield_length * - sizeof(drm_drawable_info_t*), - DRM_MEM_BUFS); - - if (new_info || !dev->drw_bitfield_length) { - dev->drw_info = (drm_drawable_info_t**)new_info; - dev->drw_info_length = 32 * dev->drw_bitfield_length; + if (bitfield != dev->drw_bitfield) { + info_length = 8 * sizeof(*bitfield) * bitfield_length; + + info = drm_alloc(info_length * sizeof(*info), DRM_MEM_BUFS); + + if (!info && info_length) { + info = dev->drw_info; + info_length = dev->drw_info_length; } - } - spin_unlock_irqrestore(&dev->drw_lock, irqflags); + spin_lock_irqsave(&dev->drw_lock, irqflags); + + memcpy(bitfield, dev->drw_bitfield, bitfield_length * + sizeof(*bitfield)); + drm_free(dev->drw_bitfield, sizeof(*bitfield) * + dev->drw_bitfield_length, DRM_MEM_BUFS); + dev->drw_bitfield = bitfield; + dev->drw_bitfield_length = bitfield_length; + + if (info != dev->drw_info) { + memcpy(info, dev->drw_info, info_length * + sizeof(*info)); + drm_free(dev->drw_info, sizeof(*info) * + dev->drw_info_length, DRM_MEM_BUFS); + dev->drw_info = info; + dev->drw_info_length = info_length; + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + } DRM_DEBUG("%d\n", draw.handle); return 0; @@ -173,24 +212,22 @@ int drm_rmdraw(DRM_IOCTL_ARGS) int drm_update_drawable_info(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_update_draw_t update; - unsigned int id, idx, mod; - unsigned long irqflags; + unsigned int id, idx, shift; + u32 *bitfield = dev->drw_bitfield; + unsigned long irqflags, bitfield_length = dev->drw_bitfield_length; drm_drawable_info_t *info; - void *new_data; + drm_clip_rect_t *rects; + int err; DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data, sizeof(update)); id = update.handle; - idx = id / 32; - mod = id % 32; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); - spin_lock_irqsave(&dev->drw_lock, irqflags); - - if (idx >= dev->drw_bitfield_length || - !(dev->drw_bitfield[idx] & (1 << mod))) { + if (idx >= bitfield_length || !(bitfield[idx] & (1 << shift))) { DRM_ERROR("No such drawable %d\n", update.handle); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); return DRM_ERR(EINVAL); } @@ -201,66 +238,77 @@ int drm_update_drawable_info(DRM_IOCTL_ARGS) { if (!info) { DRM_ERROR("Failed to allocate drawable info memory\n"); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); return DRM_ERR(ENOMEM); } - - dev->drw_info[id] = info; } switch (update.type) { case DRM_DRAWABLE_CLIPRECTS: if (update.num != info->num_rects) { - new_data = drm_alloc(update.num * - sizeof(drm_clip_rect_t), - DRM_MEM_BUFS); - - if (!new_data) { - DRM_ERROR("Can't allocate cliprect memory\n"); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - return DRM_ERR(ENOMEM); - } - - info->rects = new_data; + rects = drm_alloc(update.num * sizeof(drm_clip_rect_t), + DRM_MEM_BUFS); + } else + rects = info->rects; + + if (update.num && !rects) { + DRM_ERROR("Failed to allocate cliprect memory\n"); + err = DRM_ERR(ENOMEM); + goto error; } - if (DRM_COPY_FROM_USER(info->rects, - (drm_clip_rect_t __user *) - (unsigned long)update.data, - update.num * sizeof(drm_clip_rect_t))) { - DRM_ERROR("Can't copy cliprects from userspace\n"); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - return DRM_ERR(EFAULT); + if (update.num && DRM_COPY_FROM_USER(rects, + (drm_clip_rect_t __user *) + (unsigned long)update.data, + update.num * + sizeof(*rects))) { + DRM_ERROR("Failed to copy cliprects from userspace\n"); + err = DRM_ERR(EFAULT); + goto error; } - if (update.num != info->num_rects) { + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (rects != info->rects) { drm_free(info->rects, info->num_rects * sizeof(drm_clip_rect_t), DRM_MEM_BUFS); - info->num_rects = update.num; } + info->rects = rects; + info->num_rects = update.num; + dev->drw_info[id] = info; + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + DRM_DEBUG("Updated %d cliprects for drawable %d\n", info->num_rects, id); break; default: DRM_ERROR("Invalid update type %d\n", update.type); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); return DRM_ERR(EINVAL); } - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - return 0; + +error: + if (!dev->drw_info[id]) + drm_free(info, sizeof(*info), DRM_MEM_BUFS); + else if (rects != dev->drw_info[id]->rects) + drm_free(rects, update.num * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + + return err; } /** * Caller must hold the drawable spinlock! */ drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) { - unsigned int idx = id / 32, mod = id % 32; + u32 *bitfield = dev->drw_bitfield; + unsigned int idx = id / (8 * sizeof(*bitfield)); + unsigned int shift = id % (8 * sizeof(*bitfield)); if (idx >= dev->drw_bitfield_length || - !(dev->drw_bitfield[idx] & (1 << mod))) { + !(bitfield[idx] & (1 << shift))) { DRM_DEBUG("No such drawable %d\n", id); return NULL; } -- cgit v1.2.3 From cdec2f82b11afbe4933fa9a9b3ed567db14fd237 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:20:15 +1000 Subject: drm: Change first valid DRM drawable ID to be 1 instead of 0. This makes it easier for userspace to know when it needs to allocate an ID. Also free drawable information memory when it's no longer needed. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_drawable.c | 35 +++++++++++++++++++++++------------ drivers/char/drm/drm_drv.c | 12 ++++++++++++ 2 files changed, 35 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c index 5580c5731eb..ce7a027b0ad 100644 --- a/drivers/char/drm/drm_drawable.c +++ b/drivers/char/drm/drm_drawable.c @@ -92,13 +92,13 @@ done: bitfield[i] = 0; } - draw.handle = i * 8 * sizeof(*bitfield) + j; + draw.handle = i * 8 * sizeof(*bitfield) + j + 1; DRM_DEBUG("%d\n", draw.handle); spin_lock_irqsave(&dev->drw_lock, irqflags); bitfield[i] |= 1 << j; - info[draw.handle] = NULL; + info[draw.handle - 1] = NULL; if (bitfield != dev->drw_bitfield) { memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length * @@ -132,7 +132,7 @@ int drm_rmdraw(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_draw_t draw; - unsigned int idx, shift; + unsigned int id, idx, shift; unsigned long irqflags; u32 *bitfield = dev->drw_bitfield; unsigned int bitfield_length = dev->drw_bitfield_length; @@ -142,10 +142,11 @@ int drm_rmdraw(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data, sizeof(draw)); - idx = draw.handle / (8 * sizeof(*bitfield)); - shift = draw.handle % (8 * sizeof(*bitfield)); + id = draw.handle - 1; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); - if (idx >= bitfield_length || + if (idx < 0 || idx >= bitfield_length || !(bitfield[idx] & (1 << shift))) { DRM_DEBUG("No such drawable %d\n", draw.handle); return 0; @@ -157,6 +158,12 @@ int drm_rmdraw(DRM_IOCTL_ARGS) spin_unlock_irqrestore(&dev->drw_lock, irqflags); + if (info[id]) { + drm_free(info[id]->rects, info[id]->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + drm_free(info[id], sizeof(**info), DRM_MEM_BUFS); + } + /* Can we shrink the arrays? */ if (idx == bitfield_length - 1) { while (idx >= 0 && !bitfield[idx]) @@ -164,7 +171,7 @@ int drm_rmdraw(DRM_IOCTL_ARGS) bitfield_length = idx + 1; - if (idx != draw.handle / (8 * sizeof(*bitfield))) + if (idx != id / (8 * sizeof(*bitfield))) bitfield = drm_alloc(bitfield_length * sizeof(*bitfield), DRM_MEM_BUFS); @@ -222,11 +229,12 @@ int drm_update_drawable_info(DRM_IOCTL_ARGS) { DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data, sizeof(update)); - id = update.handle; + id = update.handle - 1; idx = id / (8 * sizeof(*bitfield)); shift = id % (8 * sizeof(*bitfield)); - if (idx >= bitfield_length || !(bitfield[idx] & (1 << shift))) { + if (idx < 0 || idx >= bitfield_length || + !(bitfield[idx] & (1 << shift))) { DRM_ERROR("No such drawable %d\n", update.handle); return DRM_ERR(EINVAL); } @@ -304,10 +312,13 @@ error: */ drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) { u32 *bitfield = dev->drw_bitfield; - unsigned int idx = id / (8 * sizeof(*bitfield)); - unsigned int shift = id % (8 * sizeof(*bitfield)); + unsigned int idx, shift; + + id--; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); - if (idx >= dev->drw_bitfield_length || + if (idx < 0 || idx >= dev->drw_bitfield_length || !(bitfield[idx] & (1 << shift))) { DRM_DEBUG("No such drawable %d\n", id); return NULL; diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index 59de4a01515..a70af0de445 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -153,6 +153,18 @@ int drm_lastclose(drm_device_t * dev) if (dev->irq_enabled) drm_irq_uninstall(dev); + /* Free drawable information memory */ + for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield); + i++) { + drm_drawable_info_t *info = drm_get_drawable_info(dev, i); + + if (info) { + drm_free(info->rects, info->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + drm_free(info, sizeof(*info), DRM_MEM_BUFS); + } + } + mutex_lock(&dev->struct_mutex); del_timer(&dev->timer); -- cgit v1.2.3 From 507c0185a72e89002757a58f6c64de3df84da0de Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FFelix=5FK=3DC3=3DBChling=3F=3D?= Date: Tue, 24 Oct 2006 23:28:23 +1000 Subject: drm: drm_rmdraw: Declare id and idx as signed so testing for < 0 works as intended. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_drawable.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c index ce7a027b0ad..de37d5f7456 100644 --- a/drivers/char/drm/drm_drawable.c +++ b/drivers/char/drm/drm_drawable.c @@ -132,7 +132,8 @@ int drm_rmdraw(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_draw_t draw; - unsigned int id, idx, shift; + int id, idx; + unsigned int shift; unsigned long irqflags; u32 *bitfield = dev->drw_bitfield; unsigned int bitfield_length = dev->drw_bitfield_length; -- cgit v1.2.3 From 8163e418f71e46a28bac6625b4c633c13bd53c8d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:30:01 +1000 Subject: drm: Make locked tasklet handling more robust. Initialize the spinlock unconditionally when struct drm_device is filled in, and return early in drm_locked_tasklet() if the driver doesn't support IRQs. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_irq.c | 4 ++-- drivers/char/drm/drm_stub.c | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index 2b10e5b60cf..b08608a9f02 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -119,7 +119,6 @@ static int drm_irq_install(drm_device_t * dev) init_waitqueue_head(&dev->vbl_queue); spin_lock_init(&dev->vbl_lock); - spin_lock_init(&dev->tasklet_lock); INIT_LIST_HEAD(&dev->vbl_sigs.head); INIT_LIST_HEAD(&dev->vbl_sigs2.head); @@ -456,7 +455,8 @@ void drm_locked_tasklet(drm_device_t *dev, void (*func)(drm_device_t*)) unsigned long irqflags; static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0); - if (test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state)) + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) || + test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state)) return; spin_lock_irqsave(&dev->tasklet_lock, irqflags); diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 6f748e194cf..5fd6dc0870c 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c @@ -61,6 +61,7 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, spin_lock_init(&dev->count_lock); spin_lock_init(&dev->drw_lock); + spin_lock_init(&dev->tasklet_lock); init_timer(&dev->timer); mutex_init(&dev->struct_mutex); mutex_init(&dev->ctxlist_mutex); -- cgit v1.2.3 From ab285d74e6742422fd0465577a31fb03fe9ed241 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:34:18 +1000 Subject: drm: Core vsync: Add flag DRM_VBLANK_NEXTONMISS. When this flag is set and the target sequence is missed, wait for the next vertical blank instead of returning immediately. Signed-off-by: Dave Airlie --- drivers/char/drm/drm.h | 4 +++- drivers/char/drm/drm_irq.c | 16 ++++++++++------ 2 files changed, 13 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 07a699029c3..3f28a155162 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -487,12 +487,14 @@ typedef struct drm_irq_busid { typedef enum { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ } drm_vblank_seq_type_t; #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) -#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY) +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \ + _DRM_VBLANK_NEXTONMISS) struct drm_wait_vblank_request { drm_vblank_seq_type_t type; diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index b08608a9f02..78aae5b35c6 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -250,8 +250,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) drm_wait_vblank_t vblwait; struct timeval now; int ret = 0; - unsigned int flags; - atomic_t *seq; + unsigned int flags, seq; if (!dev->irq) return -EINVAL; @@ -273,12 +272,12 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL)) return -EINVAL; - seq = (flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2 : - &dev->vbl_received; + seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2 + : &dev->vbl_received); switch (vblwait.request.type & _DRM_VBLANK_TYPES_MASK) { case _DRM_VBLANK_RELATIVE: - vblwait.request.sequence += atomic_read(seq); + vblwait.request.sequence += seq; vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; case _DRM_VBLANK_ABSOLUTE: break; @@ -286,13 +285,18 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) return -EINVAL; } + if ((flags & _DRM_VBLANK_NEXTONMISS) && + (seq - vblwait.request.sequence) <= (1<<23)) { + vblwait.request.sequence = seq + 1; + } + if (flags & _DRM_VBLANK_SIGNAL) { unsigned long irqflags; drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_sigs2 : &dev->vbl_sigs; drm_vbl_sig_t *vbl_sig; - vblwait.reply.sequence = atomic_read(seq); + vblwait.reply.sequence = seq; spin_lock_irqsave(&dev->vbl_lock, irqflags); -- cgit v1.2.3 From 049b323321bbcb476b799f50dc6444c0ed5a0e0e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:34:58 +1000 Subject: drm: Core vsync: Don't clobber target sequence number when scheduling signal. It looks like this would have caused signals to always get sent on the next vertical blank, regardless of the sequence number. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_irq.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index 78aae5b35c6..9d00c51fe2c 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -296,8 +296,6 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) ? &dev->vbl_sigs2 : &dev->vbl_sigs; drm_vbl_sig_t *vbl_sig; - vblwait.reply.sequence = seq; - spin_lock_irqsave(&dev->vbl_lock, irqflags); /* Check if this task has already scheduled the same signal @@ -310,6 +308,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) && vbl_sig->task == current) { spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + vblwait.reply.sequence = seq; goto done; } } @@ -340,6 +339,8 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + + vblwait.reply.sequence = seq; } else { if (flags & _DRM_VBLANK_SECONDARY) { if (dev->driver->vblank_wait2) -- cgit v1.2.3 From a6b54f3f5050c0cbc0c35dd48064846c6302706b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:37:43 +1000 Subject: drm: i915: Add ioctl for scheduling buffer swaps at vertical blanks. This uses the core facility to schedule a driver callback that will be called ASAP after the given vertical blank interrupt with the HW lock held. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_dma.c | 2 + drivers/char/drm/i915_drm.h | 9 +++ drivers/char/drm/i915_drv.h | 17 ++++ drivers/char/drm/i915_irq.c | 183 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 211 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index fb7913ff528..9354ce3b009 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -162,6 +162,7 @@ static int i915_initialize(drm_device_t * dev, dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->cpp = init->cpp; dev_priv->back_offset = init->back_offset; dev_priv->front_offset = init->front_offset; dev_priv->current_page = 0; @@ -782,6 +783,7 @@ drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, + [DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH}, }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 6af83e613f2..8926beb5a61 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -132,6 +132,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_DESTROY_HEAP 0x0c #define DRM_I915_SET_VBLANK_PIPE 0x0d #define DRM_I915_GET_VBLANK_PIPE 0x0e +#define DRM_I915_VBLANK_SWAP 0x0f #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -243,4 +244,12 @@ typedef struct drm_i915_vblank_pipe { int pipe; } drm_i915_vblank_pipe_t; +/* Schedule buffer swap at given vertical blank: + */ +typedef struct drm_i915_vblank_swap { + drm_drawable_t drawable; + unsigned int pipe; + unsigned int sequence; +} drm_i915_vblank_swap_t; + #endif /* _I915_DRM_H_ */ diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 5f0c4fa04da..334b0ce8181 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -71,6 +71,13 @@ struct mem_block { DRMFILE filp; /* 0: free, -1: heap, other: real files */ }; +typedef struct _drm_i915_vbl_swap { + struct list_head head; + drm_drawable_t drw_id; + unsigned int pipe; + unsigned int sequence; +} drm_i915_vbl_swap_t; + typedef struct drm_i915_private { drm_local_map_t *sarea; drm_local_map_t *mmio_map; @@ -83,6 +90,7 @@ typedef struct drm_i915_private { dma_addr_t dma_status_page; unsigned long counter; + unsigned int cpp; int back_offset; int front_offset; int current_page; @@ -98,6 +106,10 @@ typedef struct drm_i915_private { struct mem_block *agp_heap; unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; int vblank_pipe; + + spinlock_t swaps_lock; + drm_i915_vbl_swap_t vbl_swaps; + unsigned int swaps_pending; } drm_i915_private_t; extern drm_ioctl_desc_t i915_ioctls[]; @@ -124,6 +136,7 @@ extern void i915_driver_irq_postinstall(drm_device_t * dev); extern void i915_driver_irq_uninstall(drm_device_t * dev); extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS); extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS); +extern int i915_vblank_swap(DRM_IOCTL_ARGS); /* i915_mem.c */ extern int i915_mem_alloc(DRM_IOCTL_ARGS); @@ -257,6 +270,10 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) + #define MI_BATCH_BUFFER ((0x30<<23)|1) #define MI_BATCH_BUFFER_START (0x31<<23) #define MI_BATCH_BUFFER_END (0xA<<23) diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 33d40187696..a93f1f37ec6 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -37,6 +37,99 @@ #define MAX_NOPID ((u32)~0) +/** + * Emit blits for scheduled buffer swaps. + * + * This function will be called with the HW lock held. + */ +static void i915_vblank_tasklet(drm_device_t *dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + unsigned int irqflags; + struct list_head *list, *tmp; + + DRM_DEBUG("\n"); + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) { + drm_i915_vbl_swap_t *vbl_swap = + list_entry(list, drm_i915_vbl_swap_t, head); + atomic_t *counter = vbl_swap->pipe ? &dev->vbl_received2 : + &dev->vbl_received; + + if ((atomic_read(counter) - vbl_swap->sequence) <= (1<<23)) { + drm_drawable_info_t *drw; + + spin_unlock(&dev_priv->swaps_lock); + + spin_lock(&dev->drw_lock); + + drw = drm_get_drawable_info(dev, vbl_swap->drw_id); + + if (drw) { + int i, num_rects = drw->num_rects; + drm_clip_rect_t *rect = drw->rects; + drm_i915_sarea_t *sarea_priv = + dev_priv->sarea_priv; + u32 cpp = dev_priv->cpp; + u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD | + XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB) + : XY_SRC_COPY_BLT_CMD; + u32 pitchropcpp = (sarea_priv->pitch * cpp) | + (0xcc << 16) | (cpp << 23) | + (1 << 24); + RING_LOCALS; + + i915_kernel_lost_context(dev); + + BEGIN_LP_RING(6); + + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(0); + OUT_RING(0); + OUT_RING(sarea_priv->width | + sarea_priv->height << 16); + OUT_RING(sarea_priv->width | + sarea_priv->height << 16); + OUT_RING(0); + + ADVANCE_LP_RING(); + + sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT; + + for (i = 0; i < num_rects; i++, rect++) { + BEGIN_LP_RING(8); + + OUT_RING(cmd); + OUT_RING(pitchropcpp); + OUT_RING((rect->y1 << 16) | rect->x1); + OUT_RING((rect->y2 << 16) | rect->x2); + OUT_RING(sarea_priv->front_offset); + OUT_RING((rect->y1 << 16) | rect->x1); + OUT_RING(pitchropcpp & 0xffff); + OUT_RING(sarea_priv->back_offset); + + ADVANCE_LP_RING(); + } + } + + spin_unlock(&dev->drw_lock); + + spin_lock(&dev_priv->swaps_lock); + + list_del(list); + + drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER); + + dev_priv->swaps_pending--; + } + } + + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { drm_device_t *dev = (drm_device_t *) arg; @@ -72,6 +165,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); + + drm_locked_tasklet(dev, i915_vblank_tasklet); } return IRQ_HANDLED; @@ -271,6 +366,90 @@ int i915_vblank_pipe_get(DRM_IOCTL_ARGS) return 0; } +/** + * Schedule buffer swap at given vertical blank. + */ +int i915_vblank_swap(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_vblank_swap_t swap; + drm_i915_vbl_swap_t *vbl_swap; + unsigned int irqflags; + struct list_head *list; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __func__); + return DRM_ERR(EINVAL); + } + + if (dev_priv->sarea_priv->rotation) { + DRM_DEBUG("Rotation not supported\n"); + return DRM_ERR(EINVAL); + } + + if (dev_priv->swaps_pending >= 100) { + DRM_DEBUG("Too many swaps queued\n"); + return DRM_ERR(EBUSY); + } + + DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data, + sizeof(swap)); + + if (swap.pipe > 1 || !(dev_priv->vblank_pipe & (1 << swap.pipe))) { + DRM_ERROR("Invalid pipe %d\n", swap.pipe); + return DRM_ERR(EINVAL); + } + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (!drm_get_drawable_info(dev, swap.drawable)) { + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + DRM_ERROR("Invalid drawable ID %d\n", swap.drawable); + return DRM_ERR(EINVAL); + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + list_for_each(list, &dev_priv->vbl_swaps.head) { + vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); + + if (vbl_swap->drw_id == swap.drawable && + vbl_swap->pipe == swap.pipe && + vbl_swap->sequence == swap.sequence) { + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + DRM_DEBUG("Already scheduled\n"); + return 0; + } + } + + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + + vbl_swap = drm_calloc(1, sizeof(vbl_swap), DRM_MEM_DRIVER); + + if (!vbl_swap) { + DRM_ERROR("Failed to allocate memory to queue swap\n"); + return DRM_ERR(ENOMEM); + } + + DRM_DEBUG("\n"); + + vbl_swap->drw_id = swap.drawable; + vbl_swap->pipe = swap.pipe; + vbl_swap->sequence = swap.sequence; + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + list_add_tail((struct list_head *)vbl_swap, &dev_priv->vbl_swaps.head); + dev_priv->swaps_pending++; + + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + + return 0; +} + /* drm_dma.h hooks */ void i915_driver_irq_preinstall(drm_device_t * dev) @@ -286,6 +465,10 @@ void i915_driver_irq_postinstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED; + INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); + dev_priv->swaps_pending = 0; + i915_enable_interrupt(dev); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); } -- cgit v1.2.3 From 541f29aad766b6c7b911a7d900d952744369bf53 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Tue, 24 Oct 2006 23:38:54 +1000 Subject: drm: DRM_I915_VBLANK_SWAP ioctl: Take drm_vblank_seq_type_t instead of pipe number. Handle relative as well as absolute target sequence numbers. Return error if target sequence has already passed, so userspace can deal with this situation as it sees fit. On success, return the sequence number of the vertical blank when the buffer swap is expected to take place. Also add DRM_IOCTL_I915_VBLANK_SWAP definition for userspace code that may want to use ioctl() instead of drmCommandWriteRead(). Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drm.h | 3 ++- drivers/char/drm/i915_irq.c | 43 ++++++++++++++++++++++++++++++++++++++----- 2 files changed, 40 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 8926beb5a61..4ce3d16cf06 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -149,6 +149,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) +#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -248,7 +249,7 @@ typedef struct drm_i915_vblank_pipe { */ typedef struct drm_i915_vblank_swap { drm_drawable_t drawable; - unsigned int pipe; + drm_vblank_seq_type_t seqtype; unsigned int sequence; } drm_i915_vblank_swap_t; diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index a93f1f37ec6..d5645566631 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -375,7 +375,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_vblank_swap_t swap; drm_i915_vbl_swap_t *vbl_swap; - unsigned int irqflags; + unsigned int pipe, seqtype, irqflags, curseq; struct list_head *list; if (!dev_priv) { @@ -396,8 +396,23 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data, sizeof(swap)); - if (swap.pipe > 1 || !(dev_priv->vblank_pipe & (1 << swap.pipe))) { - DRM_ERROR("Invalid pipe %d\n", swap.pipe); + if (swap.seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE | + _DRM_VBLANK_SECONDARY)) { + DRM_ERROR("Invalid sequence type 0x%x\n", swap.seqtype); + return DRM_ERR(EINVAL); + } + + pipe = (swap.seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; + + seqtype = swap.seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); + + if (seqtype == _DRM_VBLANK_RELATIVE && swap.sequence == 0) { + DRM_DEBUG("Not scheduling swap for current sequence\n"); + return DRM_ERR(EINVAL); + } + + if (!(dev_priv->vblank_pipe & (1 << pipe))) { + DRM_ERROR("Invalid pipe %d\n", pipe); return DRM_ERR(EINVAL); } @@ -411,13 +426,28 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) spin_unlock_irqrestore(&dev->drw_lock, irqflags); + curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received); + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + switch (seqtype) { + case _DRM_VBLANK_RELATIVE: + swap.sequence += curseq; + break; + case _DRM_VBLANK_ABSOLUTE: + if ((curseq - swap.sequence) > (1<<23)) { + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + DRM_DEBUG("Missed target sequence\n"); + return DRM_ERR(EINVAL); + } + break; + } + list_for_each(list, &dev_priv->vbl_swaps.head) { vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); if (vbl_swap->drw_id == swap.drawable && - vbl_swap->pipe == swap.pipe && + vbl_swap->pipe == pipe && vbl_swap->sequence == swap.sequence) { spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); DRM_DEBUG("Already scheduled\n"); @@ -437,7 +467,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) DRM_DEBUG("\n"); vbl_swap->drw_id = swap.drawable; - vbl_swap->pipe = swap.pipe; + vbl_swap->pipe = pipe; vbl_swap->sequence = swap.sequence; spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); @@ -447,6 +477,9 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_swap_t __user *) data, swap, + sizeof(swap)); + return 0; } -- cgit v1.2.3 From 5b51694aff705c465ef5941a99073036f3e444d9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 00:08:23 +1000 Subject: drm: Make handling of dev_priv->vblank_pipe more robust. Initialize it to default value if it hasn't been set by the X server yet. In i915_vblank_pipe_set(), only update dev_priv->vblank_pipe and call i915_enable_interrupt() if the argument passed from userspace is valid to avoid corrupting dev_priv->vblank_pipe on invalid arguments. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_irq.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index d5645566631..e9e46c41bf3 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -304,7 +304,7 @@ int i915_irq_wait(DRM_IOCTL_ARGS) return i915_wait_irq(dev, irqwait.irq_seq); } -static int i915_enable_interrupt (drm_device_t *dev) +static void i915_enable_interrupt (drm_device_t *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u16 flag; @@ -314,13 +314,8 @@ static int i915_enable_interrupt (drm_device_t *dev) flag |= VSYNC_PIPEA_FLAG; if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B) flag |= VSYNC_PIPEB_FLAG; - if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { - DRM_ERROR("%s called with invalid pipe 0x%x\n", - __FUNCTION__, dev_priv->vblank_pipe); - return DRM_ERR(EINVAL); - } + I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag); - return 0; } /* Set the vblank monitor pipe @@ -339,8 +334,17 @@ int i915_vblank_pipe_set(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data, sizeof(pipe)); + if (pipe.pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { + DRM_ERROR("%s called with invalid pipe 0x%x\n", + __FUNCTION__, pipe.pipe); + return DRM_ERR(EINVAL); + } + dev_priv->vblank_pipe = pipe.pipe; - return i915_enable_interrupt (dev); + + i915_enable_interrupt (dev); + + return 0; } int i915_vblank_pipe_get(DRM_IOCTL_ARGS) @@ -502,6 +506,8 @@ void i915_driver_irq_postinstall(drm_device_t * dev) INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); dev_priv->swaps_pending = 0; + if (!dev_priv->vblank_pipe) + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; i915_enable_interrupt(dev); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); } -- cgit v1.2.3 From 376642cf2eb0f32d8502b0a2c4efd96a3f13a8b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 00:09:35 +1000 Subject: drm: i915: Add SAREA fileds for determining which pipe to sync window buffer swaps to. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drm.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 4ce3d16cf06..96a468886a7 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -104,6 +104,15 @@ typedef struct _drm_i915_sarea { unsigned int depth_tiled; unsigned int rotated_tiled; unsigned int rotated2_tiled; + + int pipeA_x; + int pipeA_y; + int pipeA_w; + int pipeA_h; + int pipeB_x; + int pipeB_y; + int pipeB_w; + int pipeB_h; } drm_i915_sarea_t; /* Flags for perf_boxes -- cgit v1.2.3 From 2dbb232c4d6b6c89fc367f7566c7c87dd3b56cd7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 00:10:24 +1000 Subject: drm: i915: Fix 'sequence has passed' condition in i915_vblank_swap(). Signed-off-by: Dave Airlie --- drivers/char/drm/i915_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index e9e46c41bf3..df28bc1e84c 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -439,7 +439,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) swap.sequence += curseq; break; case _DRM_VBLANK_ABSOLUTE: - if ((curseq - swap.sequence) > (1<<23)) { + if ((curseq - swap.sequence) <= (1<<23)) { spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); DRM_DEBUG("Missed target sequence\n"); return DRM_ERR(EINVAL); -- cgit v1.2.3 From 21fa60ed4eab5b3b28d05930bb086615ecc191b1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 00:10:59 +1000 Subject: drm: i915: Only return EBUSY after we've established we need to schedule a new swap. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_irq.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index df28bc1e84c..40c55edfa2e 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -392,11 +392,6 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) return DRM_ERR(EINVAL); } - if (dev_priv->swaps_pending >= 100) { - DRM_DEBUG("Too many swaps queued\n"); - return DRM_ERR(EBUSY); - } - DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data, sizeof(swap)); @@ -461,6 +456,11 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + if (dev_priv->swaps_pending >= 100) { + DRM_DEBUG("Too many swaps queued\n"); + return DRM_ERR(EBUSY); + } + vbl_swap = drm_calloc(1, sizeof(vbl_swap), DRM_MEM_DRIVER); if (!vbl_swap) { -- cgit v1.2.3 From a0b136bb696cfa744a79c4dbbbbd0c8f9f30fe3f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 00:12:52 +1000 Subject: drm: i915: fix up irqflags arg Signed-off-by: Dave Airlie --- drivers/char/drm/i915_irq.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 40c55edfa2e..1a5edec7e19 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -45,7 +45,7 @@ static void i915_vblank_tasklet(drm_device_t *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - unsigned int irqflags; + unsigned long irqflags; struct list_head *list, *tmp; DRM_DEBUG("\n"); @@ -379,7 +379,8 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_vblank_swap_t swap; drm_i915_vbl_swap_t *vbl_swap; - unsigned int pipe, seqtype, irqflags, curseq; + unsigned int pipe, seqtype, curseq; + unsigned long irqflags; struct list_head *list; if (!dev_priv) { -- cgit v1.2.3 From 2228ed67223f3f22ea09df8854e6a31ea06d5619 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=3D=3Futf-8=3Fq=3FMichel=5FD=3DC3=3DA4nzer=3F=3D?= Date: Wed, 25 Oct 2006 01:05:09 +1000 Subject: drm: i915 updates Add support for DRM_VBLANK_NEXTONMISS. Bump minor for swap scheduling ioctl and secondary vblank support. Avoid mis-counting vblank interrupts when they're only enabled for pipe A. Only schedule vblank tasklet if there are scheduled swaps pending. Signed-off-by: Dave Airlie --- drivers/char/drm/i915_drv.h | 4 +++- drivers/char/drm/i915_irq.c | 36 ++++++++++++++++++------------------ 2 files changed, 21 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 334b0ce8181..93cdcfe6aa8 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -46,9 +46,11 @@ * 1.3: Add vblank support * 1.4: Fix cmdbuffer path, add heap destroy * 1.5: Add vblank pipe configuration + * 1.6: - New ioctl for scheduling buffer swaps on vertical blank + * - Support vertical blank on secondary display pipe */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 5 +#define DRIVER_MINOR 6 #define DRIVER_PATCHLEVEL 0 typedef struct _drm_i915_ring_buffer { diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 1a5edec7e19..e5463b111fc 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -153,20 +153,26 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) DRM_WAKEUP(&dev_priv->irq_queue); if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) { - if ((dev_priv->vblank_pipe & + int vblank_pipe = dev_priv->vblank_pipe; + + if ((vblank_pipe & (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) { if (temp & VSYNC_PIPEA_FLAG) atomic_inc(&dev->vbl_received); if (temp & VSYNC_PIPEB_FLAG) atomic_inc(&dev->vbl_received2); - } else + } else if (((temp & VSYNC_PIPEA_FLAG) && + (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) || + ((temp & VSYNC_PIPEB_FLAG) && + (vblank_pipe & DRM_I915_VBLANK_PIPE_B))) atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); - drm_locked_tasklet(dev, i915_vblank_tasklet); + if (dev_priv->swaps_pending > 0) + drm_locked_tasklet(dev, i915_vblank_tasklet); } return IRQ_HANDLED; @@ -397,7 +403,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) sizeof(swap)); if (swap.seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE | - _DRM_VBLANK_SECONDARY)) { + _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)) { DRM_ERROR("Invalid sequence type 0x%x\n", swap.seqtype); return DRM_ERR(EINVAL); } @@ -406,11 +412,6 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) seqtype = swap.seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); - if (seqtype == _DRM_VBLANK_RELATIVE && swap.sequence == 0) { - DRM_DEBUG("Not scheduling swap for current sequence\n"); - return DRM_ERR(EINVAL); - } - if (!(dev_priv->vblank_pipe & (1 << pipe))) { DRM_ERROR("Invalid pipe %d\n", pipe); return DRM_ERR(EINVAL); @@ -428,21 +429,20 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received); - spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); - - switch (seqtype) { - case _DRM_VBLANK_RELATIVE: + if (seqtype == _DRM_VBLANK_RELATIVE) swap.sequence += curseq; - break; - case _DRM_VBLANK_ABSOLUTE: - if ((curseq - swap.sequence) <= (1<<23)) { - spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + + if ((curseq - swap.sequence) <= (1<<23)) { + if (swap.seqtype & _DRM_VBLANK_NEXTONMISS) { + swap.sequence = curseq + 1; + } else { DRM_DEBUG("Missed target sequence\n"); return DRM_ERR(EINVAL); } - break; } + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + list_for_each(list, &dev_priv->vbl_swaps.head) { vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); -- cgit v1.2.3 From 5c2df2bfb121a77d925dba580f53da08b4020528 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 24 Oct 2006 11:36:59 -0700 Subject: drm: fix up irqflags in drm_lock.c Signed-off-by: Dave Airlie --- drivers/char/drm/drm_lock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index e0abe5c6842..116ed0f2ac0 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -155,7 +155,7 @@ int drm_unlock(struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_lock_t lock; - unsigned int irqflags; + unsigned long irqflags; if (copy_from_user(&lock, (drm_lock_t __user *) arg, sizeof(lock))) return -EFAULT; -- cgit v1.2.3 From 3417f33e762bf7d4277031a655e3ad07e73ce0be Mon Sep 17 00:00:00 2001 From: George Sapountzis Date: Tue, 24 Oct 2006 12:03:04 -0700 Subject: drm: add flag for mapping PCI DMA buffers read-only. Add DRM_PCI_BUFFER_RO flag for mapping PCI DMA buffer read-only. An additional flag is needed, since PCI DMA buffers do not have an associated map. Signed-off-by: Dave Airlie --- drivers/char/drm/drm.h | 3 ++- drivers/char/drm/drmP.h | 3 ++- drivers/char/drm/drm_bufs.c | 10 +++++++--- drivers/char/drm/drm_vm.c | 16 ++++++++++++++++ 4 files changed, 27 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 3f28a155162..8db9041e306 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -356,7 +356,8 @@ typedef struct drm_buf_desc { _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ - _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */ + _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ + _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ } flags; unsigned long agp_start; /**< * Start address of where the AGP buffers are diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 2f18329c5eb..0bbb04f2390 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -431,7 +431,8 @@ typedef struct drm_device_dma { enum { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02, - _DRM_DMA_USE_FB = 0x04 + _DRM_DMA_USE_FB = 0x04, + _DRM_DMA_USE_PCI_RO = 0x08 } flags; } drm_device_dma_t; diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 6eafff13dab..9f65f5697ba 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -887,6 +887,9 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) request->count = entry->buf_count; request->size = size; + if (request->flags & _DRM_PCI_BUFFER_RO) + dma->flags = _DRM_DMA_USE_PCI_RO; + atomic_dec(&dev->buf_alloc); return 0; @@ -1471,9 +1474,10 @@ int drm_freebufs(struct inode *inode, struct file *filp, * \param arg pointer to a drm_buf_map structure. * \return zero on success or a negative number on failure. * - * Maps the AGP or SG buffer region with do_mmap(), and copies information - * about each buffer into user space. The PCI buffers are already mapped on the - * addbufs_pci() call. + * Maps the AGP, SG or PCI buffer region with do_mmap(), and copies information + * about each buffer into user space. For PCI buffers, it calls do_mmap() with + * offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls + * drm_mmap_dma(). */ int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index b40ae438f53..74686e9a2d3 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -473,6 +473,22 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) } unlock_kernel(); + if (!capable(CAP_SYS_ADMIN) && + (dma->flags & _DRM_DMA_USE_PCI_RO)) { + vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE); +#if defined(__i386__) || defined(__x86_64__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = + __pgprot(pte_val + (pte_wrprotect + (__pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_RESERVED; /* Don't swap */ -- cgit v1.2.3 From d942625c2d5f5d29cd3bb4fad8a4aadd59024317 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 7 Dec 2006 16:11:44 +1100 Subject: Fix http://bugzilla.kernel.org/show_bug.cgi?id=7606 WARNING: "drm_sman_set_manager" [drivers/char/drm/sis.ko] undefined! Cc: Cc: Signed-off-by: Andrew Morton Signed-off-by: Dave Airlie --- drivers/char/drm/drm_sman.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/drm/drm_sman.c b/drivers/char/drm/drm_sman.c index 425c82336ee..19c81d2e13d 100644 --- a/drivers/char/drm/drm_sman.c +++ b/drivers/char/drm/drm_sman.c @@ -162,6 +162,7 @@ drm_sman_set_manager(drm_sman_t * sman, unsigned int manager, return 0; } +EXPORT_SYMBOL(drm_sman_set_manager); static drm_owner_item_t *drm_sman_get_owner_item(drm_sman_t * sman, unsigned long owner) -- cgit v1.2.3 From 3dfd35cd214f7874c4917dfedff81f107d845c15 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 10:32:32 -0200 Subject: ACPI: ibm-acpi: do not use / in driver names ibm-acpi uses sub-device names like ibm/hotkey, which get in the way of a sysfs conversion. Fix it to use ibm_hotkey instead. Thanks to Zhang Rui for noticing this. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index cd8722e4157..ce69f7592a2 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1854,7 +1854,7 @@ static int __init register_driver(struct ibm_struct *ibm) } memset(ibm->driver, 0, sizeof(struct acpi_driver)); - sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name); + sprintf(ibm->driver->name, "%s_%s", IBM_NAME, ibm->name); ibm->driver->ids = ibm->hid; ibm->driver->ops.add = &ibm_device_add; -- cgit v1.2.3 From 8d29726434697a5ed08d4e0dfba9399a098922f4 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:07 -0200 Subject: ACPI: ibm-acpi: trivial Lindent cleanups This patch just makes drives/acpi/ibm-acpi.c Lindent-clean, as requested by Len Brown. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index ce69f7592a2..b81a95d2067 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -584,8 +584,7 @@ static int wan_status(void) { int status; - if (!wan_supported || - !acpi_evalf(hkey_handle, &status, "GWAN", "d")) + if (!wan_supported || !acpi_evalf(hkey_handle, &status, "GWAN", "d")) status = 0; return status; @@ -910,6 +909,7 @@ static int _sta(acpi_handle handle) return status; } + #ifdef CONFIG_ACPI_IBM_DOCK #define dock_docked() (_sta(dock_handle) & 1) @@ -1386,12 +1386,12 @@ static int brightness_offset = 0x31; static int brightness_get(struct backlight_device *bd) { - u8 level; - if (!acpi_ec_read(brightness_offset, &level)) - return -EIO; + u8 level; + if (!acpi_ec_read(brightness_offset, &level)) + return -EIO; - level &= 0x7; - return level; + level &= 0x7; + return level; } static int brightness_read(char *p) @@ -1993,10 +1993,10 @@ IBM_PARAM(volume); IBM_PARAM(fan); static struct backlight_properties ibm_backlight_data = { - .owner = THIS_MODULE, - .get_brightness = brightness_get, - .update_status = brightness_update_status, - .max_brightness = 7, + .owner = THIS_MODULE, + .get_brightness = brightness_get, + .update_status = brightness_update_status, + .max_brightness = 7, }; static void acpi_ibm_exit(void) @@ -2075,7 +2075,7 @@ static int __init acpi_ibm_init(void) ibm_backlight_device = backlight_device_register("ibm", NULL, &ibm_backlight_data); - if (IS_ERR(ibm_backlight_device)) { + if (IS_ERR(ibm_backlight_device)) { printk(IBM_ERR "Could not register ibm backlight device\n"); ibm_backlight_device = NULL; acpi_ibm_exit(); -- cgit v1.2.3 From a26f878abcd0491906b5bbac8dd174f27019e907 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:08 -0200 Subject: ACPI: ibm-acpi: Use a enum to select the thermal sensor reading strategy This patch consolidades all decisions regarding the strategy to be used to read thinkpad thermal sensors into a single enum, and refactors the thermal sensor reading code to use a much more readable (and easier to extend) switch() construct, in a separate function. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 90 +++++++++++++++++++++++++++++++++++-------------- 1 file changed, 65 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index b81a95d2067..baf9492f0a7 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -217,6 +217,17 @@ IBM_HANDLE(sfan, ec, "SFAN", /* 570 */ #define IBM_HKEY_HID "IBM0068" #define IBM_PCI_HID "PNP0A03" +enum thermal_access_mode { + IBMACPI_THERMAL_NONE = 0, /* No thermal support */ + IBMACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ + IBMACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ +}; + +#define IBMACPI_MAX_THERMAL_SENSORS 8 /* Max thermal sensors supported */ +struct ibm_thermal_sensors_struct { + s32 temp[IBMACPI_MAX_THERMAL_SENSORS]; +}; + struct ibm_struct { char *name; char param[32]; @@ -1275,50 +1286,79 @@ static int acpi_ec_write(int i, u8 v) return 1; } -static int thermal_tmp_supported; -static int thermal_updt_supported; +static enum thermal_access_mode thermal_read_mode; static int thermal_init(void) { - /* temperatures not supported on 570, G4x, R30, R31, R32 */ - thermal_tmp_supported = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); - - /* 600e/x, 770e, 770x */ - thermal_updt_supported = acpi_evalf(ec_handle, NULL, "UPDT", "qv"); + if (acpi_evalf(ec_handle, NULL, "TMP7", "qv")) { + if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) { + /* 600e/x, 770e, 770x */ + thermal_read_mode = IBMACPI_THERMAL_ACPI_UPDT; + } else { + /* Standard ACPI TMPx access, max 8 sensors */ + thermal_read_mode = IBMACPI_THERMAL_ACPI_TMP07; + } + } else { + /* temperatures not supported on 570, G4x, R30, R31, R32 */ + thermal_read_mode = IBMACPI_THERMAL_NONE; + } return 0; } -static int thermal_read(char *p) +static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s) { - int len = 0; + int i, t; + char tmpi[] = "TMPi"; - if (!thermal_tmp_supported) - len += sprintf(p + len, "temperatures:\tnot supported\n"); - else { - int i, t; - char tmpi[] = "TMPi"; - s8 tmp[8]; + if (!s) + return -EINVAL; - if (thermal_updt_supported) - if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) + switch (thermal_read_mode) { + case IBMACPI_THERMAL_ACPI_UPDT: + if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) + return -EIO; + for (i = 0; i < 8; i++) { + tmpi[3] = '0' + i; + if (!acpi_evalf(ec_handle, &t, tmpi, "d")) return -EIO; + s->temp[i] = (t - 2732) * 100; + } + return 8; + case IBMACPI_THERMAL_ACPI_TMP07: for (i = 0; i < 8; i++) { tmpi[3] = '0' + i; if (!acpi_evalf(ec_handle, &t, tmpi, "d")) return -EIO; - if (thermal_updt_supported) - tmp[i] = (t - 2732 + 5) / 10; - else - tmp[i] = t; + s->temp[i] = t * 1000; } + return 8; - len += sprintf(p + len, - "temperatures:\t%d %d %d %d %d %d %d %d\n", - tmp[0], tmp[1], tmp[2], tmp[3], - tmp[4], tmp[5], tmp[6], tmp[7]); + case IBMACPI_THERMAL_NONE: + default: + return 0; } +} + +static int thermal_read(char *p) +{ + int len = 0; + int n, i; + struct ibm_thermal_sensors_struct t; + + n = thermal_get_sensors(&t); + if (unlikely(n < 0)) + return n; + + len += sprintf(p + len, "temperatures:\t"); + + if (n > 0) { + for (i = 0; i < (n - 1); i++) + len += sprintf(p + len, "%d ", t.temp[i] / 1000); + len += sprintf(p + len, "%d\n", t.temp[i] / 1000); + } else + len += sprintf(p + len, "not supported\n"); return len; } -- cgit v1.2.3 From 60eb0b35a9cc3400251cb4028d100e350649cf8a Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:08 -0200 Subject: ACPI: ibm-acpi: Implement direct-ec-access thermal reading modes for up to 16 sensors This patch extends ibm-acpi to support reading thermal sensors directly through ACPI EC register access. It uses a DMI match to detect ThinkPads with a new-style embedded controller, that are known to have forward- compatible register maps and use 0x00 to fill in non-used registers and export thermal sensors at EC offsets 0x78-7F and 0xC0-C7. Direct ACPI EC register access is implemented for 8-sensor and 16-sensor new-style ThinkPad controller firmwares as an experimental feature. The code does some limited sanity checks on the temperatures read through EC access, and will default to the old ACPI TMP0-7 mode if anything is amiss. Userspace ABI is not changed for 8 sensors, but /proc/acpi/ibm/thermal is extended for 16 sensors if the firmware supports 16 sensors. A documentation update is also provided. The information about the ThinkPad register map was determined by studying ibm-acpi "ecdump" output from various ThinkPad models, submitted by subscribers of the linux-thinkpad mailinglist. Futher information was gathered from the DSDT tables, as they describe the EC register map in recent ThinkPads. DSDT source shows that TMP0-7 access and direct register access are actually the same thing on these firmwares, but unfortunately IBM never did update their DSDT EC register map to export TMP8-TMP15 for the second range of sensors. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 91 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index baf9492f0a7..1703c617c0e 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -80,6 +80,7 @@ #include #include #include +#include #include #include @@ -221,13 +222,17 @@ enum thermal_access_mode { IBMACPI_THERMAL_NONE = 0, /* No thermal support */ IBMACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ IBMACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ + IBMACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */ + IBMACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */ }; -#define IBMACPI_MAX_THERMAL_SENSORS 8 /* Max thermal sensors supported */ +#define IBMACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */ struct ibm_thermal_sensors_struct { s32 temp[IBMACPI_MAX_THERMAL_SENSORS]; }; +static int ibm_thinkpad_ec_found; + struct ibm_struct { char *name; char param[32]; @@ -1290,7 +1295,52 @@ static enum thermal_access_mode thermal_read_mode; static int thermal_init(void) { - if (acpi_evalf(ec_handle, NULL, "TMP7", "qv")) { + u8 t, ta1, ta2; + int i; + int acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); + + if (ibm_thinkpad_ec_found && experimental) { + /* + * Direct EC access mode: sensors at registers + * 0x78-0x7F, 0xC0-0xC7. Registers return 0x00 for + * non-implemented, thermal sensors return 0x80 when + * not available + */ + + ta1 = ta2 = 0; + for (i = 0; i < 8; i++) { + if (likely(acpi_ec_read(0x78 + i, &t))) { + ta1 |= t; + } else { + ta1 = 0; + break; + } + if (likely(acpi_ec_read(0xC0 + i, &t))) { + ta2 |= t; + } else { + ta1 = 0; + break; + } + } + if (ta1 == 0) { + /* This is sheer paranoia, but we handle it anyway */ + if (acpi_tmp7) { + printk(IBM_ERR + "ThinkPad ACPI EC access misbehaving, " + "falling back to ACPI TMPx access mode\n"); + thermal_read_mode = IBMACPI_THERMAL_ACPI_TMP07; + } else { + printk(IBM_ERR + "ThinkPad ACPI EC access misbehaving, " + "disabling thermal sensors access\n"); + thermal_read_mode = IBMACPI_THERMAL_NONE; + } + } else { + thermal_read_mode = + (ta2 != 0) ? + IBMACPI_THERMAL_TPEC_16 : IBMACPI_THERMAL_TPEC_8; + } + } else if (acpi_tmp7) { if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) { /* 600e/x, 770e, 770x */ thermal_read_mode = IBMACPI_THERMAL_ACPI_UPDT; @@ -1309,12 +1359,30 @@ static int thermal_init(void) static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s) { int i, t; + s8 tmp; char tmpi[] = "TMPi"; if (!s) return -EINVAL; switch (thermal_read_mode) { +#if IBMACPI_MAX_THERMAL_SENSORS >= 16 + case IBMACPI_THERMAL_TPEC_16: + for (i = 0; i < 8; i++) { + if (!acpi_ec_read(0xC0 + i, &tmp)) + return -EIO; + s->temp[i + 8] = tmp * 1000; + } + /* fallthrough */ +#endif + case IBMACPI_THERMAL_TPEC_8: + for (i = 0; i < 8; i++) { + if (!acpi_ec_read(0x78 + i, &tmp)) + return -EIO; + s->temp[i] = tmp * 1000; + } + return (thermal_read_mode == IBMACPI_THERMAL_TPEC_16) ? 16 : 8; + case IBMACPI_THERMAL_ACPI_UPDT: if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) return -EIO; @@ -2052,6 +2120,24 @@ static void acpi_ibm_exit(void) remove_proc_entry(IBM_DIR, acpi_root_dir); } +static int __init check_dmi_for_ec(void) +{ + struct dmi_device *dev = NULL; + + /* + * ThinkPad T23 or newer, A31 or newer, R50e or newer, + * X32 or newer, all Z series; Some models must have an + * up-to-date BIOS or they will not be detected. + * + * See http://thinkwiki.org/wiki/List_of_DMI_IDs + */ + while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { + if (strstr(dev->name, "IBM ThinkPad Embedded Controller")) + return 1; + } + return 0; +} + static int __init acpi_ibm_init(void) { int ret, i; @@ -2071,6 +2157,9 @@ static int __init acpi_ibm_init(void) return -ENODEV; } + /* Models with newer firmware report the EC in DMI */ + ibm_thinkpad_ec_found = check_dmi_for_ec(); + /* these handles are not required */ IBM_HANDLE_INIT(vid); IBM_HANDLE_INIT(vid2); -- cgit v1.2.3 From 69ba91cbd6d79aa197adbdd10a44e71c84044b44 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:09 -0200 Subject: ACPI: ibm-acpi: prepare to cleanup fan_read and fan_write This patch lays some groundwork for a fan_read and fan_write cleanup in the next patches. To do so, it provides a new fan_init initializer, and also some constants (through enums). Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 79 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 1703c617c0e..7d0bd61eebc 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -231,6 +231,31 @@ struct ibm_thermal_sensors_struct { s32 temp[IBMACPI_MAX_THERMAL_SENSORS]; }; +enum fan_status_access_mode { + IBMACPI_FAN_NONE = 0, /* No fan status or control */ + IBMACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ + IBMACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ +}; + +enum fan_control_access_mode { + IBMACPI_FAN_WR_NONE = 0, /* No fan control */ + IBMACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ + IBMACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ + IBMACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ +}; + +enum fan_control_commands { + IBMACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ + IBMACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ + IBMACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd */ +}; + +enum { /* Fan control constants */ + fan_status_offset = 0x2f, /* EC register 0x2f */ + fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) + * 0x84 must be read before 0x85 */ +}; + static int ibm_thinkpad_ec_found; struct ibm_struct { @@ -1659,8 +1684,59 @@ static int volume_write(char *buf) return 0; } -static int fan_status_offset = 0x2f; -static int fan_rpm_offset = 0x84; +static enum fan_status_access_mode fan_status_access_mode; +static enum fan_control_access_mode fan_control_access_mode; +static enum fan_control_commands fan_control_commands; + +static int fan_init(void) +{ + u8 status; + + fan_status_access_mode = IBMACPI_FAN_NONE; + fan_control_access_mode = IBMACPI_FAN_WR_NONE; + fan_control_commands = 0; + + if (gfan_handle) { + /* 570, 600e/x, 770e, 770x */ + fan_status_access_mode = IBMACPI_FAN_RD_ACPI_GFAN; + } else { + /* all other ThinkPads: note that even old-style + * ThinkPad ECs supports the fan control register */ + if (likely(acpi_ec_read(fan_status_offset, &status))) { + fan_status_access_mode = IBMACPI_FAN_RD_TPEC; + } else { + printk(IBM_ERR + "ThinkPad ACPI EC access misbehaving, " + "fan status and control unavailable\n"); + return 0; + } + } + + if (sfan_handle) { + /* 570, 770x-JL */ + fan_control_access_mode = IBMACPI_FAN_WR_ACPI_SFAN; + fan_control_commands |= IBMACPI_FAN_CMD_LEVEL; + } else { + if (!gfan_handle) { + /* gfan without sfan means no fan control */ + /* all other models implement TP EC 0x2f control */ + + if (fans_handle) { + /* X31, X40 */ + fan_control_access_mode = + IBMACPI_FAN_WR_ACPI_FANS; + fan_control_commands |= + IBMACPI_FAN_CMD_SPEED | + IBMACPI_FAN_CMD_ENABLE; + } else { + fan_control_access_mode = IBMACPI_FAN_WR_TPEC; + fan_control_commands |= IBMACPI_FAN_CMD_ENABLE; + } + } + } + + return 0; +} static int fan_read(char *p) { @@ -1849,6 +1925,7 @@ static struct ibm_struct ibms[] = { .name = "fan", .read = fan_read, .write = fan_write, + .init = fan_init, .experimental = 1, }, }; -- cgit v1.2.3 From 3ef8a6096ca98d45a54999a97c7c8e14977d2e3e Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:10 -0200 Subject: ACPI: ibm-acpi: clean up fan_read This patch cleans up fan_read so that it is much easier to read and extend. The patch fixes the userspace ABI to return "status: not supported" (like all other ibm-acpi functions) when neither fan status or fan control are possible. It also fixes the userspace ABI to return EIO if ACPI access to the EC fails, instead of returning "status: unreadable" or "speed: unreadable". Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 40 ++++++++++++++++++++++++---------------- 1 file changed, 24 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 7d0bd61eebc..e8de5e349d2 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1741,40 +1741,48 @@ static int fan_init(void) static int fan_read(char *p) { int len = 0; - int s; u8 lo, hi, status; - if (gfan_handle) { + switch (fan_status_access_mode) { + case IBMACPI_FAN_RD_ACPI_GFAN: /* 570, 600e/x, 770e, 770x */ - if (!acpi_evalf(gfan_handle, &s, NULL, "d")) + if (unlikely(!acpi_evalf(gfan_handle, &status, NULL, "d"))) return -EIO; - len += sprintf(p + len, "level:\t\t%d\n", s); - } else { + len += sprintf(p + len, "level:\t\t%d\n", status); + + break; + + case IBMACPI_FAN_RD_TPEC: /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_read(fan_status_offset, &status)) - len += sprintf(p + len, "status:\t\tunreadable\n"); + if (unlikely(!acpi_ec_read(fan_status_offset, &status))) + return -EIO; else len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 7)); - if (!acpi_ec_read(fan_rpm_offset, &lo) || - !acpi_ec_read(fan_rpm_offset + 1, &hi)) - len += sprintf(p + len, "speed:\t\tunreadable\n"); + if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) || + !acpi_ec_read(fan_rpm_offset + 1, &hi))) + return -EIO; else len += sprintf(p + len, "speed:\t\t%d\n", (hi << 8) + lo); + + break; + + case IBMACPI_FAN_NONE: + default: + len += sprintf(p + len, "status:\t\tnot supported\n"); } - if (sfan_handle) - /* 570, 770x-JL */ + if (fan_control_commands & IBMACPI_FAN_CMD_LEVEL) len += sprintf(p + len, "commands:\tlevel " " ( is 0-7)\n"); - if (!gfan_handle) - /* all except 570, 600e/x, 770e, 770x */ + + if (fan_control_commands & IBMACPI_FAN_CMD_ENABLE) len += sprintf(p + len, "commands:\tenable, disable\n"); - if (fans_handle) - /* X31, X40 */ + + if (fan_control_commands & IBMACPI_FAN_CMD_SPEED) len += sprintf(p + len, "commands:\tspeed " " ( is 0-65535)\n"); -- cgit v1.2.3 From c52f0aa574246f133a0bc2041e9468a06d34da7b Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:10 -0200 Subject: ACPI: ibm-acpi: break fan_read into separate functions This patch breaks fan_read mechanics into a generic function to get fan status and speed, and leaves only the procfs interface code in fan_read. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 78 +++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 66 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index e8de5e349d2..9275dfc130f 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1738,36 +1738,90 @@ static int fan_init(void) return 0; } -static int fan_read(char *p) +static int fan_get_status(u8 *status) { - int len = 0; - u8 lo, hi, status; + u8 s; switch (fan_status_access_mode) { case IBMACPI_FAN_RD_ACPI_GFAN: /* 570, 600e/x, 770e, 770x */ - if (unlikely(!acpi_evalf(gfan_handle, &status, NULL, "d"))) + + if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d"))) return -EIO; - len += sprintf(p + len, "level:\t\t%d\n", status); + if (likely(status)) + *status = s & 0x07; break; case IBMACPI_FAN_RD_TPEC: /* all except 570, 600e/x, 770e, 770x */ - if (unlikely(!acpi_ec_read(fan_status_offset, &status))) + if (unlikely(!acpi_ec_read(fan_status_offset, &s))) return -EIO; - else - len += sprintf(p + len, "status:\t\t%s\n", - enabled(status, 7)); + if (likely(status)) + *status = s; + + break; + + default: + return -ENXIO; + } + + return 0; +} + +static int fan_get_speed(unsigned int *speed) +{ + u8 hi, lo; + + switch (fan_status_access_mode) { + case IBMACPI_FAN_RD_TPEC: + /* all except 570, 600e/x, 770e, 770x */ if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) || !acpi_ec_read(fan_rpm_offset + 1, &hi))) return -EIO; - else - len += sprintf(p + len, "speed:\t\t%d\n", - (hi << 8) + lo); + if (likely(speed)) + *speed = (hi << 8) | lo; + + break; + + default: + return -ENXIO; + } + + return 0; +} + +static int fan_read(char *p) +{ + int len = 0; + int rc; + u8 status; + unsigned int speed = 0; + + switch (fan_status_access_mode) { + case IBMACPI_FAN_RD_ACPI_GFAN: + /* 570, 600e/x, 770e, 770x */ + if ((rc = fan_get_status(&status)) < 0) + return rc; + + len += sprintf(p + len, "level:\t\t%d\n", status); + + break; + + case IBMACPI_FAN_RD_TPEC: + /* all except 570, 600e/x, 770e, 770x */ + if ((rc = fan_get_status(&status)) < 0) + return rc; + + len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 7)); + + if ((rc = fan_get_speed(&speed)) < 0) + return rc; + + len += sprintf(p + len, "speed:\t\t%d\n", speed); break; case IBMACPI_FAN_NONE: -- cgit v1.2.3 From 18ad7996e17649d81c15a2c9dae03c75050a05a8 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:11 -0200 Subject: ACPI: ibm-acpi: cleanup fan_write This patch cleans up fan_write so that it is much easier to read and extend. It separates the proc api handling from the operations themselves. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 147 ++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 125 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 9275dfc130f..187af1bfcb9 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1843,40 +1843,143 @@ static int fan_read(char *p) return len; } -static int fan_write(char *buf) +static int fan_set_level(int level) { - char *cmd; - int level, speed; - - while ((cmd = next_cmd(&buf))) { - if (sfan_handle && - sscanf(cmd, "level %d", &level) == 1 && - level >= 0 && level <= 7) { - /* 570, 770x-JL */ + switch (fan_control_access_mode) { + case IBMACPI_FAN_WR_ACPI_SFAN: + if (level >= 0 && level <= 7) { if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) return -EIO; - } else if (!gfan_handle && strlencmp(cmd, "enable") == 0) { - /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_write(fan_status_offset, 0x80)) - return -EIO; - } else if (!gfan_handle && strlencmp(cmd, "disable") == 0) { - /* all except 570, 600e/x, 770e, 770x */ - if (!acpi_ec_write(fan_status_offset, 0x00)) - return -EIO; - } else if (fans_handle && - sscanf(cmd, "speed %d", &speed) == 1 && - speed >= 0 && speed <= 65535) { - /* X31, X40 */ + } else + return -EINVAL; + break; + + default: + return -ENXIO; + } + return 0; +} + +static int fan_set_enable(void) +{ + switch (fan_control_access_mode) { + case IBMACPI_FAN_WR_ACPI_FANS: + case IBMACPI_FAN_WR_TPEC: + if (!acpi_ec_write(fan_status_offset, 0x80)) + return -EIO; + break; + + default: + return -ENXIO; + } + return 0; +} + +static int fan_set_disable(void) +{ + switch (fan_control_access_mode) { + case IBMACPI_FAN_WR_ACPI_FANS: + case IBMACPI_FAN_WR_TPEC: + if (!acpi_ec_write(fan_status_offset, 0x00)) + return -EIO; + break; + + default: + return -ENXIO; + } + return 0; +} + +static int fan_set_speed(int speed) +{ + switch (fan_control_access_mode) { + case IBMACPI_FAN_WR_ACPI_FANS: + if (speed >= 0 && speed <= 65535) { if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", speed, speed, speed)) return -EIO; } else return -EINVAL; - } + break; + default: + return -ENXIO; + } return 0; } +static int fan_write_cmd_level(const char *cmd, int *rc) +{ + int level; + + if (sscanf(cmd, "level %d", &level) != 1) + return 0; + + if ((*rc = fan_set_level(level)) == -ENXIO) + printk(IBM_ERR "level command accepted for unsupported " + "access mode %d", fan_control_access_mode); + + return 1; +} + +static int fan_write_cmd_enable(const char *cmd, int *rc) +{ + if (strlencmp(cmd, "enable") != 0) + return 0; + + if ((*rc = fan_set_enable()) == -ENXIO) + printk(IBM_ERR "enable command accepted for unsupported " + "access mode %d", fan_control_access_mode); + + return 1; +} + +static int fan_write_cmd_disable(const char *cmd, int *rc) +{ + if (strlencmp(cmd, "disable") != 0) + return 0; + + if ((*rc = fan_set_disable()) == -ENXIO) + printk(IBM_ERR "disable command accepted for unsupported " + "access mode %d", fan_control_access_mode); + + return 1; +} + +static int fan_write_cmd_speed(const char *cmd, int *rc) +{ + int speed; + + if (sscanf(cmd, "speed %d", &speed) != 1) + return 0; + + if ((*rc = fan_set_speed(speed)) == -ENXIO) + printk(IBM_ERR "speed command accepted for unsupported " + "access mode %d", fan_control_access_mode); + + return 1; +} + +static int fan_write(char *buf) +{ + char *cmd; + int rc = 0; + + while (!rc && (cmd = next_cmd(&buf))) { + if (!((fan_control_commands & IBMACPI_FAN_CMD_LEVEL) && + fan_write_cmd_level(cmd, &rc)) && + !((fan_control_commands & IBMACPI_FAN_CMD_ENABLE) && + (fan_write_cmd_enable(cmd, &rc) || + fan_write_cmd_disable(cmd, &rc))) && + !((fan_control_commands & IBMACPI_FAN_CMD_SPEED) && + fan_write_cmd_speed(cmd, &rc)) + ) + rc = -EINVAL; + } + + return rc; +} + static struct ibm_struct ibms[] = { { .name = "driver", -- cgit v1.2.3 From a8b7a6626d7605a795b33317cd730b7d76da3d0a Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:11 -0200 Subject: ACPI: ibm-acpi: document fan control This patch documents the ThinkPad fan control strategies. Source of the data: 0. ibm-acpi source 1. DSDTs for various ThinkPads (770, X31, X40, X41, T43, A21m, T22) 2. http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues 3. http://thinkwiki.org/wiki/How_to_control_fan_speed 4. Various threads about windows fan control utilities in thinkpads.com Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 108 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 187af1bfcb9..faf78d3eac2 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -205,7 +205,7 @@ IBM_HANDLE(led, ec, "SLED", /* 570 */ IBM_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ IBM_HANDLE(ecrd, ec, "ECRD"); /* 570 */ IBM_HANDLE(ecwr, ec, "ECWR"); /* 570 */ -IBM_HANDLE(fans, ec, "FANS"); /* X31, X40 */ +IBM_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */ IBM_HANDLE(gfan, ec, "GFAN", /* 570 */ "\\FSPD", /* 600e/x, 770e, 770x */ @@ -231,6 +231,106 @@ struct ibm_thermal_sensors_struct { s32 temp[IBMACPI_MAX_THERMAL_SENSORS]; }; +/* + * FAN ACCESS MODES + * + * IBMACPI_FAN_RD_ACPI_GFAN: + * ACPI GFAN method: returns fan level + * + * see IBMACPI_FAN_WR_ACPI_SFAN + * EC 0x2f not available if GFAN exists + * + * IBMACPI_FAN_WR_ACPI_SFAN: + * ACPI SFAN method: sets fan level, 0 (stop) to 7 (max) + * + * EC 0x2f might be available *for reading*, but never for writing. + * + * IBMACPI_FAN_WR_TPEC: + * ThinkPad EC register 0x2f (HFSP): fan control loop mode Supported + * on almost all ThinkPads + * + * Fan speed changes of any sort (including those caused by the + * disengaged mode) are usually done slowly by the firmware as the + * maximum ammount of fan duty cycle change per second seems to be + * limited. + * + * Reading is not available if GFAN exists. + * Writing is not available if SFAN exists. + * + * Bits + * 7 automatic mode engaged; + * (default operation mode of the ThinkPad) + * fan level is ignored in this mode. + * 6 disengage mode (takes precedence over bit 7); + * not available on all thinkpads. May disable + * the tachometer, and speeds up fan to 100% duty-cycle, + * which speeds it up far above the standard RPM + * levels. It is not impossible that it could cause + * hardware damage. + * 5-3 unused in some models. Extra bits for fan level + * in others, but still useless as all values above + * 7 map to the same speed as level 7 in these models. + * 2-0 fan level (0..7 usually) + * 0x00 = stop + * 0x07 = max (set when temperatures critical) + * Some ThinkPads may have other levels, see + * IBMACPI_FAN_WR_ACPI_FANS (X31/X40/X41) + * + * FIRMWARE BUG: on some models, EC 0x2f might not be initialized at + * boot. Apparently the EC does not intialize it, so unless ACPI DSDT + * does so, its initial value is meaningless (0x07). + * + * For firmware bugs, refer to: + * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues + * + * ---- + * + * ThinkPad EC register 0x84 (LSB), 0x85 (MSB): + * Main fan tachometer reading (in RPM) + * + * This register is present on all ThinkPads with a new-style EC, and + * it is known not to be present on the A21m/e, and T22, as there is + * something else in offset 0x84 according to the ACPI DSDT. Other + * ThinkPads from this same time period (and earlier) probably lack the + * tachometer as well. + * + * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare + * was never fixed by IBM to report the EC firmware version string + * probably support the tachometer (like the early X models), so + * detecting it is quite hard. We need more data to know for sure. + * + * FIRMWARE BUG: always read 0x84 first, otherwise incorrect readings + * might result. + * + * FIRMWARE BUG: when EC 0x2f bit 6 is set (disengaged mode), this + * register is not invalidated in ThinkPads that disable tachometer + * readings. Thus, the tachometer readings go stale. + * + * For firmware bugs, refer to: + * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues + * + * IBMACPI_FAN_WR_ACPI_FANS: + * ThinkPad X31, X40, X41. Not available in the X60. + * + * FANS ACPI handle: takes three arguments: low speed, medium speed, + * high speed. ACPI DSDT seems to map these three speeds to levels + * as follows: STOP LOW LOW MED MED HIGH HIGH HIGH HIGH + * (this map is stored on FAN0..FAN8 as "0,1,1,2,2,3,3,3,3") + * + * The speeds are stored on handles + * (FANA:FAN9), (FANC:FANB), (FANE:FAND). + * + * There are three default speed sets, acessible as handles: + * FS1L,FS1M,FS1H; FS2L,FS2M,FS2H; FS3L,FS3M,FS3H + * + * ACPI DSDT switches which set is in use depending on various + * factors. + * + * IBMACPI_FAN_WR_TPEC is also available and should be used to + * command the fan. The X31/X40/X41 seems to have 8 fan levels, + * but the ACPI tables just mention level 7. + */ + enum fan_status_access_mode { IBMACPI_FAN_NONE = 0, /* No fan status or control */ IBMACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ @@ -1722,7 +1822,7 @@ static int fan_init(void) /* all other models implement TP EC 0x2f control */ if (fans_handle) { - /* X31, X40 */ + /* X31, X40, X41 */ fan_control_access_mode = IBMACPI_FAN_WR_ACPI_FANS; fan_control_commands |= @@ -1742,6 +1842,9 @@ static int fan_get_status(u8 *status) { u8 s; + /* TODO: + * Add IBMACPI_FAN_RD_ACPI_FANS ? */ + switch (fan_status_access_mode) { case IBMACPI_FAN_RD_ACPI_GFAN: /* 570, 600e/x, 770e, 770x */ @@ -1950,6 +2053,9 @@ static int fan_write_cmd_speed(const char *cmd, int *rc) { int speed; + /* TODO: + * Support speed ? */ + if (sscanf(cmd, "speed %d", &speed) != 1) return 0; -- cgit v1.2.3 From bab812a329cc244ca63c2675b0e05016518855ce Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:12 -0200 Subject: ACPI: ibm-acpi: extend fan status functions This patch fixes fan_read to return correct values for all fan access modes. It also implements some fan access mode status output that was missing, and normalizes the proc fan abi to return consistent data across all fan read/write modes. Userspace ABI changes and extensions: 1. Return status: enable/disable for *all* modes (this actually improves compatibility with userspace utils!) 2. Return level: auto and level: disengaged for EC 2f access mode 3. Return level: for EC 0x2f access mode 4. Return level 0 as well as "disabled" in level-aware modes Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index faf78d3eac2..b6ad2ed5fd6 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -354,6 +354,11 @@ enum { /* Fan control constants */ fan_status_offset = 0x2f, /* EC register 0x2f */ fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) * 0x84 must be read before 0x85 */ + + IBMACPI_FAN_EC_DISENGAGED = 0x40, /* EC mode: tachometer + * disengaged */ + IBMACPI_FAN_EC_AUTO = 0x80, /* EC mode: auto fan + * control */ }; static int ibm_thinkpad_ec_found; @@ -1910,8 +1915,9 @@ static int fan_read(char *p) if ((rc = fan_get_status(&status)) < 0) return rc; - len += sprintf(p + len, "level:\t\t%d\n", status); - + len += sprintf(p + len, "status:\t\t%s\n" + "level:\t\t%d\n", + (status != 0) ? "enabled" : "disabled", status); break; case IBMACPI_FAN_RD_TPEC: @@ -1919,12 +1925,21 @@ static int fan_read(char *p) if ((rc = fan_get_status(&status)) < 0) return rc; - len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 7)); + len += sprintf(p + len, "status:\t\t%s\n", + (status != 0) ? "enabled" : "disabled"); if ((rc = fan_get_speed(&speed)) < 0) return rc; len += sprintf(p + len, "speed:\t\t%d\n", speed); + + if (status & IBMACPI_FAN_EC_DISENGAGED) + /* Disengaged mode takes precedence */ + len += sprintf(p + len, "level:\t\tdisengaged\n"); + else if (status & IBMACPI_FAN_EC_AUTO) + len += sprintf(p + len, "level:\t\tauto\n"); + else + len += sprintf(p + len, "level:\t\t%d\n", status); break; case IBMACPI_FAN_NONE: -- cgit v1.2.3 From 1c6a334e9c028c2b72c5350650cb14e6d5fdc232 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:12 -0200 Subject: ACPI: ibm-acpi: fix and extend fan enable This patch fix fan enable to attempt to do the right thing and not slow down the fan if it is forced to the maximum speed. It also extends fan enable to work on older thinkpads. ABI changes: 1. Support enable/disable for all level-based write access modes Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index b6ad2ed5fd6..ecb5ece79a3 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1820,7 +1820,8 @@ static int fan_init(void) if (sfan_handle) { /* 570, 770x-JL */ fan_control_access_mode = IBMACPI_FAN_WR_ACPI_SFAN; - fan_control_commands |= IBMACPI_FAN_CMD_LEVEL; + fan_control_commands |= + IBMACPI_FAN_CMD_LEVEL | IBMACPI_FAN_CMD_ENABLE; } else { if (!gfan_handle) { /* gfan without sfan means no fan control */ @@ -1980,10 +1981,34 @@ static int fan_set_level(int level) static int fan_set_enable(void) { + u8 s; + int rc; + switch (fan_control_access_mode) { case IBMACPI_FAN_WR_ACPI_FANS: case IBMACPI_FAN_WR_TPEC: - if (!acpi_ec_write(fan_status_offset, 0x80)) + if ((rc = fan_get_status(&s)) < 0) + return rc; + + /* Don't go out of emergency fan mode */ + if (s != 7) + s = IBMACPI_FAN_EC_AUTO; + + if (!acpi_ec_write(fan_status_offset, s)) + return -EIO; + break; + + case IBMACPI_FAN_WR_ACPI_SFAN: + if ((rc = fan_get_status(&s)) < 0) + return rc; + + s &= 0x07; + + /* Set fan to at least level 4 */ + if (s < 4) + s = 4; + + if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s)) return -EIO; break; @@ -2002,6 +2027,11 @@ static int fan_set_disable(void) return -EIO; break; + case IBMACPI_FAN_WR_ACPI_SFAN: + if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", 0x00)) + return -EIO; + break; + default: return -ENXIO; } -- cgit v1.2.3 From a12095c2b50c8a7c80517e37c00d6e6c863d43c5 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:13 -0200 Subject: ACPI: ibm-acpi: fix and extend fan control functions This patch extend fan control functions, implementing enable/disable for all write access modes, implementing level control for all level-capable write access modes. The patch also updates the documentation, explaining levels auto and disengaged. ABI changes: 1. Support level 0 as an equivalent to disable 2. Add support for level auto and level disengaged when doing EC 0x2f fan control 3. Support enable/disable for all level-based write access modes 4. Add support for level command on FANS thinkpads, as per thinkwiki reports Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 39 ++++++++++++++++++++++++++++++++++----- 1 file changed, 34 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index ecb5ece79a3..4001ad193dd 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -1833,10 +1833,13 @@ static int fan_init(void) IBMACPI_FAN_WR_ACPI_FANS; fan_control_commands |= IBMACPI_FAN_CMD_SPEED | + IBMACPI_FAN_CMD_LEVEL | IBMACPI_FAN_CMD_ENABLE; } else { fan_control_access_mode = IBMACPI_FAN_WR_TPEC; - fan_control_commands |= IBMACPI_FAN_CMD_ENABLE; + fan_control_commands |= + IBMACPI_FAN_CMD_LEVEL | + IBMACPI_FAN_CMD_ENABLE; } } } @@ -1948,9 +1951,20 @@ static int fan_read(char *p) len += sprintf(p + len, "status:\t\tnot supported\n"); } - if (fan_control_commands & IBMACPI_FAN_CMD_LEVEL) - len += sprintf(p + len, "commands:\tlevel " - " ( is 0-7)\n"); + if (fan_control_commands & IBMACPI_FAN_CMD_LEVEL) { + len += sprintf(p + len, "commands:\tlevel "); + + switch (fan_control_access_mode) { + case IBMACPI_FAN_WR_ACPI_SFAN: + len += sprintf(p + len, " ( is 0-7)\n"); + break; + + default: + len += sprintf(p + len, " ( is 0-7, " + "auto, disengaged)\n"); + break; + } + } if (fan_control_commands & IBMACPI_FAN_CMD_ENABLE) len += sprintf(p + len, "commands:\tenable, disable\n"); @@ -1973,6 +1987,17 @@ static int fan_set_level(int level) return -EINVAL; break; + case IBMACPI_FAN_WR_ACPI_FANS: + case IBMACPI_FAN_WR_TPEC: + if ((level != IBMACPI_FAN_EC_AUTO) && + (level != IBMACPI_FAN_EC_DISENGAGED) && + ((level < 0) || (level > 7))) + return -EINVAL; + + if (!acpi_ec_write(fan_status_offset, level)) + return -EIO; + break; + default: return -ENXIO; } @@ -2060,7 +2085,11 @@ static int fan_write_cmd_level(const char *cmd, int *rc) { int level; - if (sscanf(cmd, "level %d", &level) != 1) + if (strlencmp(cmd, "level auto") == 0) + level = IBMACPI_FAN_EC_AUTO; + else if (strlencmp(cmd, "level disengaged") == 0) + level = IBMACPI_FAN_EC_DISENGAGED; + else if (sscanf(cmd, "level %d", &level) != 1) return 0; if ((*rc = fan_set_level(level)) == -ENXIO) -- cgit v1.2.3 From 49a13cd6a2acd284ee106eaea7eeea8f2cc6796a Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:13 -0200 Subject: ACPI: ibm-acpi: store embedded controller firmware version for matching This patch changes the ThinkPad Embedded Controller DMI matching code to store the firmware version of the EC for later usage, e.g. for quirks. It also prints the firmware version when starting up. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 4001ad193dd..3c091c4b461 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -77,6 +77,7 @@ #include #include #include +#include #include #include #include @@ -361,7 +362,7 @@ enum { /* Fan control constants */ * control */ }; -static int ibm_thinkpad_ec_found; +static char* ibm_thinkpad_ec_found = NULL; struct ibm_struct { char *name; @@ -2540,11 +2541,15 @@ static void acpi_ibm_exit(void) ibm_exit(&ibms[i]); remove_proc_entry(IBM_DIR, acpi_root_dir); + + if (ibm_thinkpad_ec_found) + kfree(ibm_thinkpad_ec_found); } -static int __init check_dmi_for_ec(void) +static char* __init check_dmi_for_ec(void) { struct dmi_device *dev = NULL; + char ec_fw_string[18]; /* * ThinkPad T23 or newer, A31 or newer, R50e or newer, @@ -2554,10 +2559,15 @@ static int __init check_dmi_for_ec(void) * See http://thinkwiki.org/wiki/List_of_DMI_IDs */ while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { - if (strstr(dev->name, "IBM ThinkPad Embedded Controller")) - return 1; + if (sscanf(dev->name, + "IBM ThinkPad Embedded Controller -[%17c", + ec_fw_string) == 1) { + ec_fw_string[sizeof(ec_fw_string) - 1] = 0; + ec_fw_string[strcspn(ec_fw_string, " ]")] = 0; + return kstrdup(ec_fw_string, GFP_KERNEL); + } } - return 0; + return NULL; } static int __init acpi_ibm_init(void) @@ -2581,6 +2591,9 @@ static int __init acpi_ibm_init(void) /* Models with newer firmware report the EC in DMI */ ibm_thinkpad_ec_found = check_dmi_for_ec(); + if (ibm_thinkpad_ec_found) + printk(IBM_INFO "ThinkPad EC firmware %s\n", + ibm_thinkpad_ec_found); /* these handles are not required */ IBM_HANDLE_INIT(vid); -- cgit v1.2.3 From 778b4d742b210b9cac31f223527f30f1fc70312b Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:14 -0200 Subject: ACPI: ibm-acpi: workaround for EC 0x2f initialization bug A few ThinkPads fail to initialize EC register 0x2f both in the EC firmware and ACPI DSDT. If the BIOS and the ACPI DSDT also do not initialize it, then the initial status of that register does not correspond to reality. On all reported buggy machines, EC 0x2f will read 0x07 (fan level 7) upon cold boot, when the EC is actually in mode 0x80 (auto mode). Since returning a text string ("unknown") would break a number of userspace programs, instead we correct the reading for the most probably correct answer, and return it is in auto mode. The workaround flags the status and level as unknown on module load/kernel boot, until we are certain at least one fan control command was issued, either by us, or by something else. We don't work around the bug by doing a "fan enable" at module load/startup (which would initialize the EC register) because it is not known if these ThinkPad ACPI DSDT might have set the fan to level 7 instead of "auto" (we don't know if they can do this or not) due to a thermal condition, and we don't want to override that, should they be capable of it. We should be setting the workaround flag to "status known" upon resume, as both reports and a exaustive search on the DSDT tables at acpi.sf.net show that the DSDTs always enable the fan on resume, thus working around the bug. But since we don't have suspend/resume handlers in ibm-acpi yet and the "EC register 0x2f was modified" logic is likely to catch the change anyway, we don't. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 53 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 49 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 3c091c4b461..56743c5a043 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -362,7 +362,7 @@ enum { /* Fan control constants */ * control */ }; -static char* ibm_thinkpad_ec_found = NULL; +static char *ibm_thinkpad_ec_found = NULL; struct ibm_struct { char *name; @@ -1794,13 +1794,15 @@ static enum fan_status_access_mode fan_status_access_mode; static enum fan_control_access_mode fan_control_access_mode; static enum fan_control_commands fan_control_commands; +static int fan_control_status_known; +static u8 fan_control_initial_status; + static int fan_init(void) { - u8 status; - fan_status_access_mode = IBMACPI_FAN_NONE; fan_control_access_mode = IBMACPI_FAN_WR_NONE; fan_control_commands = 0; + fan_control_status_known = 1; if (gfan_handle) { /* 570, 600e/x, 770e, 770x */ @@ -1808,8 +1810,33 @@ static int fan_init(void) } else { /* all other ThinkPads: note that even old-style * ThinkPad ECs supports the fan control register */ - if (likely(acpi_ec_read(fan_status_offset, &status))) { + if (likely(acpi_ec_read(fan_status_offset, + &fan_control_initial_status))) { fan_status_access_mode = IBMACPI_FAN_RD_TPEC; + + /* In some ThinkPads, neither the EC nor the ACPI + * DSDT initialize the fan status, and it ends up + * being set to 0x07 when it *could* be either + * 0x07 or 0x80. + * + * Enable for TP-1Y (T43), TP-78 (R51e), + * TP-76 (R52), TP-70 (T43, R52), which are known + * to be buggy. */ + if (fan_control_initial_status == 0x07 && + ibm_thinkpad_ec_found && + ((ibm_thinkpad_ec_found[0] == '1' && + ibm_thinkpad_ec_found[1] == 'Y') || + (ibm_thinkpad_ec_found[0] == '7' && + (ibm_thinkpad_ec_found[1] == '6' || + ibm_thinkpad_ec_found[1] == '8' || + ibm_thinkpad_ec_found[1] == '0')) + )) { + printk(IBM_NOTICE + "fan_init: initial fan status is " + "unknown, assuming it is in auto " + "mode\n"); + fan_control_status_known = 0; + } } else { printk(IBM_ERR "ThinkPad ACPI EC access misbehaving, " @@ -1930,9 +1957,21 @@ static int fan_read(char *p) if ((rc = fan_get_status(&status)) < 0) return rc; + if (unlikely(!fan_control_status_known)) { + if (status != fan_control_initial_status) + fan_control_status_known = 1; + else + /* Return most likely status. In fact, it + * might be the only possible status */ + status = IBMACPI_FAN_EC_AUTO; + } + len += sprintf(p + len, "status:\t\t%s\n", (status != 0) ? "enabled" : "disabled"); + /* No ThinkPad boots on disengaged mode, we can safely + * assume the tachometer is online if fan control status + * was unknown */ if ((rc = fan_get_speed(&speed)) < 0) return rc; @@ -1997,6 +2036,8 @@ static int fan_set_level(int level) if (!acpi_ec_write(fan_status_offset, level)) return -EIO; + else + fan_control_status_known = 1; break; default: @@ -2022,6 +2063,8 @@ static int fan_set_enable(void) if (!acpi_ec_write(fan_status_offset, s)) return -EIO; + else + fan_control_status_known = 1; break; case IBMACPI_FAN_WR_ACPI_SFAN: @@ -2051,6 +2094,8 @@ static int fan_set_disable(void) case IBMACPI_FAN_WR_TPEC: if (!acpi_ec_write(fan_status_offset, 0x00)) return -EIO; + else + fan_control_status_known = 1; break; case IBMACPI_FAN_WR_ACPI_SFAN: -- cgit v1.2.3 From 16663a87ad1df7022661bc8813b7a2e84e7f5e66 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Fri, 24 Nov 2006 11:47:14 -0200 Subject: ACPI: ibm-acpi: implement fan watchdog command This patch implements a fan control safety watchdog, by request of the authors of userspace fan control scripts. When the watchdog timer expires, the equivalent action of a "fan enable" command is executed. The watchdog timer is reset at every reception of a fan control command that could change the state of the fan itself. This command is meant to be used by userspace fan control daemons, to make sure the fan is never left set to an unsafe level because of userspace problems. Users of the X31/X40/X41 "speed" command are on their own, the current implementation of "speed" is just too incomplete to be used safely, anyway. Better to never use it, and just use the "level" command instead. The watchdog is programmed using echo "watchdog " > fan, where number is the number of seconds to wait before doing an "enable", and zero disables the watchdog. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 67 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 56743c5a043..e5b8745b907 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -82,6 +82,8 @@ #include #include #include +#include +#include #include #include @@ -348,7 +350,8 @@ enum fan_control_access_mode { enum fan_control_commands { IBMACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ IBMACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ - IBMACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd */ + IBMACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd, + * and also watchdog cmd */ }; enum { /* Fan control constants */ @@ -1797,12 +1800,17 @@ static enum fan_control_commands fan_control_commands; static int fan_control_status_known; static u8 fan_control_initial_status; +static void fan_watchdog_fire(void *ignored); +static int fan_watchdog_maxinterval; +static DECLARE_WORK(fan_watchdog_task, fan_watchdog_fire, NULL); + static int fan_init(void) { fan_status_access_mode = IBMACPI_FAN_NONE; fan_control_access_mode = IBMACPI_FAN_WR_NONE; fan_control_commands = 0; fan_control_status_known = 1; + fan_watchdog_maxinterval = 0; if (gfan_handle) { /* 570, 600e/x, 770e, 770x */ @@ -1934,6 +1942,31 @@ static int fan_get_speed(unsigned int *speed) return 0; } +static void fan_exit(void) +{ + cancel_delayed_work(&fan_watchdog_task); + flush_scheduled_work(); +} + +static void fan_watchdog_reset(void) +{ + static int fan_watchdog_active = 0; + + if (fan_watchdog_active) + cancel_delayed_work(&fan_watchdog_task); + + if (fan_watchdog_maxinterval > 0) { + fan_watchdog_active = 1; + if (!schedule_delayed_work(&fan_watchdog_task, + msecs_to_jiffies(fan_watchdog_maxinterval + * 1000))) { + printk(IBM_ERR "failed to schedule the fan watchdog, " + "watchdog will not trigger\n"); + } + } else + fan_watchdog_active = 0; +} + static int fan_read(char *p) { int len = 0; @@ -2007,7 +2040,9 @@ static int fan_read(char *p) } if (fan_control_commands & IBMACPI_FAN_CMD_ENABLE) - len += sprintf(p + len, "commands:\tenable, disable\n"); + len += sprintf(p + len, "commands:\tenable, disable\n" + "commands:\twatchdog ( is 0 (off), " + "1-120 (seconds))\n"); if (fan_control_commands & IBMACPI_FAN_CMD_SPEED) len += sprintf(p + len, "commands:\tspeed " @@ -2186,6 +2221,21 @@ static int fan_write_cmd_speed(const char *cmd, int *rc) return 1; } +static int fan_write_cmd_watchdog(const char *cmd, int *rc) +{ + int interval; + + if (sscanf(cmd, "watchdog %d", &interval) != 1) + return 0; + + if (interval < 0 || interval > 120) + *rc = -EINVAL; + else + fan_watchdog_maxinterval = interval; + + return 1; +} + static int fan_write(char *buf) { char *cmd; @@ -2196,16 +2246,29 @@ static int fan_write(char *buf) fan_write_cmd_level(cmd, &rc)) && !((fan_control_commands & IBMACPI_FAN_CMD_ENABLE) && (fan_write_cmd_enable(cmd, &rc) || - fan_write_cmd_disable(cmd, &rc))) && + fan_write_cmd_disable(cmd, &rc) || + fan_write_cmd_watchdog(cmd, &rc))) && !((fan_control_commands & IBMACPI_FAN_CMD_SPEED) && fan_write_cmd_speed(cmd, &rc)) ) rc = -EINVAL; + else if (!rc) + fan_watchdog_reset(); } return rc; } +static void fan_watchdog_fire(void *ignored) +{ + printk(IBM_NOTICE "fan watchdog: enabling fan\n"); + if (fan_set_enable()) { + printk(IBM_ERR "fan watchdog: error while enabling fan\n"); + /* reschedule for later */ + fan_watchdog_reset(); + } +} + static struct ibm_struct ibms[] = { { .name = "driver", @@ -2317,6 +2380,7 @@ static struct ibm_struct ibms[] = { .read = fan_read, .write = fan_write, .init = fan_init, + .exit = fan_exit, .experimental = 1, }, }; -- cgit v1.2.3 From e0298997acdba929e7f5b5987d305b67b50a3969 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 25 Nov 2006 16:35:09 -0200 Subject: ACPI: ibm-acpi: add support for the ultrabay on the T60,X60 This patch adds support for the ultrabay on the T60, X60 and other new ThinkPads that have a SATA ultrabay. I intend to keep bay and dock support in ibm-acpi working and updated until it finally gets deprecated and removed in favour of the generic dock and bay support. But we aren't there yet. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index e5b8745b907..392abbb7d2d 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -174,6 +174,7 @@ IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ #endif IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ + "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ ); /* A21e, R30, R31 */ -- cgit v1.2.3 From 2df910b4c3edcce9a0c12394db6f5f4a6e69c712 Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 25 Nov 2006 16:35:09 -0200 Subject: ACPI: ibm-acpi: make non-generic bay support optional This patch makes it possible to disable ibm-acpi non-generic bay support, as generic bay support already works well for a number of ThinkPads. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/Kconfig | 11 +++++++++++ drivers/acpi/ibm_acpi.c | 13 ++++++++++++- 2 files changed, 23 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 59f9def2172..6f8c50ea54e 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -224,6 +224,17 @@ config ACPI_IBM_DOCK If you are not sure, say N here. +config ACPI_IBM_BAY + bool "Legacy Removable Bay Support" + depends on ACPI_IBM + depends on ACPI_BAY=n + default n + ---help--- + Allows the ibm_acpi driver to handle removable bays. + This support is obsoleted by CONFIG_ACPI_BAY. + + If you are not sure, say N here. + config ACPI_TOSHIBA tristate "Toshiba Laptop Extras" depends on X86 diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 392abbb7d2d..fbb4970ce16 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -172,6 +172,7 @@ IBM_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ "\\_SB.PCI.ISA.SLCE", /* 570 */ ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ #endif +#ifdef CONFIG_ACPI_IBM_BAY IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ @@ -189,6 +190,7 @@ IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ IBM_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ "_EJ0", /* 770x */ ); /* all others */ +#endif /* don't list other alternatives as we install a notify handler on the 570 */ IBM_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ @@ -1051,6 +1053,7 @@ static int light_write(char *buf) return 0; } +#if defined(CONFIG_ACPI_IBM_DOCK) || defined(CONFIG_ACPI_IBM_BAY) static int _sta(acpi_handle handle) { int status; @@ -1060,7 +1063,7 @@ static int _sta(acpi_handle handle) return status; } - +#endif #ifdef CONFIG_ACPI_IBM_DOCK #define dock_docked() (_sta(dock_handle) & 1) @@ -1126,6 +1129,7 @@ static void dock_notify(struct ibm_struct *ibm, u32 event) } #endif +#ifdef CONFIG_ACPI_IBM_BAY static int bay_status_supported; static int bay_status2_supported; static int bay_eject_supported; @@ -1201,6 +1205,7 @@ static void bay_notify(struct ibm_struct *ibm, u32 event) { acpi_bus_generate_event(ibm->device, event, 0); } +#endif static int cmos_read(char *p) { @@ -2330,6 +2335,7 @@ static struct ibm_struct ibms[] = { .type = ACPI_SYSTEM_NOTIFY, }, #endif +#ifdef CONFIG_ACPI_IBM_BAY { .name = "bay", .init = bay_init, @@ -2339,6 +2345,7 @@ static struct ibm_struct ibms[] = { .handle = &bay_handle, .type = ACPI_SYSTEM_NOTIFY, }, +#endif { .name = "cmos", .read = cmos_read, @@ -2624,7 +2631,9 @@ IBM_PARAM(light); #ifdef CONFIG_ACPI_IBM_DOCK IBM_PARAM(dock); #endif +#ifdef CONFIG_ACPI_IBM_BAY IBM_PARAM(bay); +#endif IBM_PARAM(cmos); IBM_PARAM(led); IBM_PARAM(beep); @@ -2717,12 +2726,14 @@ static int __init acpi_ibm_init(void) IBM_HANDLE_INIT(dock); #endif IBM_HANDLE_INIT(pci); +#ifdef CONFIG_ACPI_IBM_BAY IBM_HANDLE_INIT(bay); if (bay_handle) IBM_HANDLE_INIT(bay_ej); IBM_HANDLE_INIT(bay2); if (bay2_handle) IBM_HANDLE_INIT(bay2_ej); +#endif IBM_HANDLE_INIT(beep); IBM_HANDLE_INIT(ecrd); IBM_HANDLE_INIT(ecwr); -- cgit v1.2.3 From fb87a811a4c232e2af8d746dc75330cbe5b0780c Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 25 Nov 2006 16:35:09 -0200 Subject: ACPI: ibm-acpi: backlight device cleanup This patch cleans up the recently added backlight device support by Holger Macht to fit well with the rest of the code, using the ibms struct as the other "subdrivers" in ibm-acpi. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 50 ++++++++++++++++++++++++++++++------------------- 1 file changed, 31 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index fbb4970ce16..36e2667d865 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -397,7 +397,7 @@ struct ibm_struct { static struct proc_dir_entry *proc_dir = NULL; -static struct backlight_device *ibm_backlight_device; +static struct backlight_device *ibm_backlight_device = NULL; #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") @@ -1639,6 +1639,7 @@ static int brightness_get(struct backlight_device *bd) return -EIO; level &= 0x7; + return level; } @@ -1713,6 +1714,33 @@ static int brightness_update_status(struct backlight_device *bd) return brightness_set(bd->props->brightness); } +static struct backlight_properties ibm_backlight_data = { + .owner = THIS_MODULE, + .get_brightness = brightness_get, + .update_status = brightness_update_status, + .max_brightness = 7, +}; + +static int brightness_init(void) +{ + ibm_backlight_device = backlight_device_register("ibm", NULL, + &ibm_backlight_data); + if (IS_ERR(ibm_backlight_device)) { + printk(IBM_ERR "Could not register backlight device\n"); + return PTR_ERR(ibm_backlight_device); + } + + return 0; +} + +static void brightness_exit(void) +{ + if (ibm_backlight_device) { + backlight_device_unregister(ibm_backlight_device); + ibm_backlight_device = NULL; + } +} + static int volume_offset = 0x30; static int volume_read(char *p) @@ -2377,6 +2405,8 @@ static struct ibm_struct ibms[] = { .name = "brightness", .read = brightness_read, .write = brightness_write, + .init = brightness_init, + .exit = brightness_exit, }, { .name = "volume", @@ -2642,20 +2672,10 @@ IBM_PARAM(brightness); IBM_PARAM(volume); IBM_PARAM(fan); -static struct backlight_properties ibm_backlight_data = { - .owner = THIS_MODULE, - .get_brightness = brightness_get, - .update_status = brightness_update_status, - .max_brightness = 7, -}; - static void acpi_ibm_exit(void) { int i; - if (ibm_backlight_device) - backlight_device_unregister(ibm_backlight_device); - for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) ibm_exit(&ibms[i]); @@ -2758,14 +2778,6 @@ static int __init acpi_ibm_init(void) } } - ibm_backlight_device = backlight_device_register("ibm", NULL, - &ibm_backlight_data); - if (IS_ERR(ibm_backlight_device)) { - printk(IBM_ERR "Could not register ibm backlight device\n"); - ibm_backlight_device = NULL; - acpi_ibm_exit(); - } - return 0; } -- cgit v1.2.3 From 9a8e1738c1136a857c1fd3ae0c5019f9767427ad Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 25 Nov 2006 16:36:00 -0200 Subject: ACPI: ibm-acpi: style fixes and cruft removal This patch just fixes style, move some #defines to enums, and removes some old cruft. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 100 +++++++++++++++++++++--------------------------- 1 file changed, 43 insertions(+), 57 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 36e2667d865..8bb41bd85cd 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -78,9 +78,11 @@ #include #include #include + #include #include #include + #include #include #include @@ -121,28 +123,6 @@ static acpi_handle root_handle = NULL; static char *object##_path; \ static char *object##_paths[] = { paths } -/* - * The following models are supported to various degrees: - * - * 570, 600e, 600x, 770e, 770x - * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p - * G40, G41 - * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51 - * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43 - * X20, X21, X22, X23, X24, X30, X31, X40 - * - * The following models have no supported features: - * - * 240, 240x, i1400 - * - * Still missing DSDTs for the following models: - * - * A20p, A22e, A22m - * R52 - * S31 - * T43p - */ - IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ "\\_SB.PCI.ISA.EC", /* 570 */ "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ @@ -785,12 +765,15 @@ static int wan_write(char *buf) return 0; } -static int video_supported; -static int video_orig_autosw; +enum video_access_mode { + IBMACPI_VIDEO_NONE = 0, + IBMACPI_VIDEO_570, /* 570 */ + IBMACPI_VIDEO_770, /* 600e/x, 770e, 770x */ + IBMACPI_VIDEO_NEW, /* all others */ +}; -#define VIDEO_570 1 -#define VIDEO_770 2 -#define VIDEO_NEW 3 +static enum video_access_mode video_supported; +static int video_orig_autosw; static int video_init(void) { @@ -802,16 +785,16 @@ static int video_init(void) if (!vid_handle) /* video switching not supported on R30, R31 */ - video_supported = 0; + video_supported = IBMACPI_VIDEO_NONE; else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) /* 570 */ - video_supported = VIDEO_570; + video_supported = IBMACPI_VIDEO_570; else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) /* 600e/x, 770e, 770x */ - video_supported = VIDEO_770; + video_supported = IBMACPI_VIDEO_770; else /* all others */ - video_supported = VIDEO_NEW; + video_supported = IBMACPI_VIDEO_NEW; return 0; } @@ -821,15 +804,15 @@ static int video_status(void) int status = 0; int i; - if (video_supported == VIDEO_570) { + if (video_supported == IBMACPI_VIDEO_570) { if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87)) status = i & 3; - } else if (video_supported == VIDEO_770) { + } else if (video_supported == IBMACPI_VIDEO_770) { if (acpi_evalf(NULL, &i, "\\VCDL", "d")) status |= 0x01 * i; if (acpi_evalf(NULL, &i, "\\VCDC", "d")) status |= 0x02 * i; - } else if (video_supported == VIDEO_NEW) { + } else if (video_supported == IBMACPI_VIDEO_NEW) { acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1); if (acpi_evalf(NULL, &i, "\\VCDC", "d")) status |= 0x02 * i; @@ -848,9 +831,10 @@ static int video_autosw(void) { int autosw = 0; - if (video_supported == VIDEO_570) + if (video_supported == IBMACPI_VIDEO_570) acpi_evalf(vid_handle, &autosw, "SWIT", "d"); - else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW) + else if (video_supported == IBMACPI_VIDEO_770 || + video_supported == IBMACPI_VIDEO_NEW) acpi_evalf(vid_handle, &autosw, "^VDEE", "d"); return autosw & 1; @@ -870,12 +854,12 @@ static int video_read(char *p) len += sprintf(p + len, "status:\t\tsupported\n"); len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); - if (video_supported == VIDEO_NEW) + if (video_supported == IBMACPI_VIDEO_NEW) len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); - if (video_supported == VIDEO_NEW) + if (video_supported == IBMACPI_VIDEO_NEW) len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); @@ -890,7 +874,7 @@ static int video_switch(void) if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) return -EIO; - ret = video_supported == VIDEO_570 ? + ret = video_supported == IBMACPI_VIDEO_570 ? acpi_evalf(ec_handle, NULL, "_Q16", "v") : acpi_evalf(vid_handle, NULL, "VSWT", "v"); acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw); @@ -900,9 +884,9 @@ static int video_switch(void) static int video_expand(void) { - if (video_supported == VIDEO_570) + if (video_supported == IBMACPI_VIDEO_570) return acpi_evalf(ec_handle, NULL, "_Q17", "v"); - else if (video_supported == VIDEO_770) + else if (video_supported == IBMACPI_VIDEO_770) return acpi_evalf(vid_handle, NULL, "VEXP", "v"); else return acpi_evalf(NULL, NULL, "\\VEXP", "v"); @@ -912,10 +896,10 @@ static int video_switch2(int status) { int ret; - if (video_supported == VIDEO_570) { + if (video_supported == IBMACPI_VIDEO_570) { ret = acpi_evalf(NULL, NULL, "\\_SB.PHS2", "vdd", 0x8b, status | 0x80); - } else if (video_supported == VIDEO_770) { + } else if (video_supported == IBMACPI_VIDEO_770) { int autosw = video_autosw(); if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1)) return -EIO; @@ -951,10 +935,10 @@ static int video_write(char *buf) enable |= 0x02; } else if (strlencmp(cmd, "crt_disable") == 0) { disable |= 0x02; - } else if (video_supported == VIDEO_NEW && + } else if (video_supported == IBMACPI_VIDEO_NEW && strlencmp(cmd, "dvi_enable") == 0) { enable |= 0x08; - } else if (video_supported == VIDEO_NEW && + } else if (video_supported == IBMACPI_VIDEO_NEW && strlencmp(cmd, "dvi_disable") == 0) { disable |= 0x08; } else if (strlencmp(cmd, "auto_enable") == 0) { @@ -1253,26 +1237,28 @@ static int cmos_write(char *buf) return 0; } -static int led_supported; - -#define LED_570 1 -#define LED_OLD 2 -#define LED_NEW 3 +enum led_access_mode { + IBMACPI_LED_NONE = 0, + IBMACPI_LED_570, /* 570 */ + IBMACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ + IBMACPI_LED_NEW, /* all others */ +}; +static enum led_access_mode led_supported; static int led_init(void) { if (!led_handle) /* led not supported on R30, R31 */ - led_supported = 0; + led_supported = IBMACPI_LED_NONE; else if (strlencmp(led_path, "SLED") == 0) /* 570 */ - led_supported = LED_570; + led_supported = IBMACPI_LED_570; else if (strlencmp(led_path, "SYSL") == 0) /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ - led_supported = LED_OLD; + led_supported = IBMACPI_LED_OLD; else /* all others */ - led_supported = LED_NEW; + led_supported = IBMACPI_LED_NEW; return 0; } @@ -1289,7 +1275,7 @@ static int led_read(char *p) } len += sprintf(p + len, "status:\t\tsupported\n"); - if (led_supported == LED_570) { + if (led_supported == IBMACPI_LED_570) { /* 570 */ int i, status; for (i = 0; i < 8; i++) { @@ -1338,13 +1324,13 @@ static int led_write(char *buf) } else return -EINVAL; - if (led_supported == LED_570) { + if (led_supported == IBMACPI_LED_570) { /* 570 */ led = 1 << led; if (!acpi_evalf(led_handle, NULL, NULL, "vdd", led, led_sled_arg1[ind])) return -EIO; - } else if (led_supported == LED_OLD) { + } else if (led_supported == IBMACPI_LED_OLD) { /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ led = 1 << led; ret = ec_write(EC_HLMS, led); -- cgit v1.2.3 From f9ff43a6268d36acf8df18a76bb881a26a42dc1e Mon Sep 17 00:00:00 2001 From: Henrique de Moraes Holschuh Date: Sat, 25 Nov 2006 16:37:38 -0200 Subject: ACPI: ibm-acpi: update version and copyright Bump up module version, add myself to copyright and MODULE_AUTHOR. Signed-off-by: Henrique de Moraes Holschuh --- drivers/acpi/ibm_acpi.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index 8bb41bd85cd..92e7b6eb8f1 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -3,6 +3,7 @@ * * * Copyright (C) 2004-2005 Borislav Deianov + * Copyright (C) 2006 Henrique de Moraes Holschuh * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,10 +20,14 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define IBM_VERSION "0.12a" +#define IBM_VERSION "0.13" /* * Changelog: + * + * 2006-11-22 0.13 new maintainer + * changelog now lives in git commit history, and will + * not be updated further in-file. * * 2005-08-17 0.12 fix compilation on 2.6.13-rc kernels * 2005-03-17 0.11 support for 600e, 770x @@ -95,7 +100,7 @@ #define IBM_FILE "ibm_acpi" #define IBM_URL "http://ibm-acpi.sf.net/" -MODULE_AUTHOR("Borislav Deianov"); +MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh"); MODULE_DESCRIPTION(IBM_DESC); MODULE_VERSION(IBM_VERSION); MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 5d64ad34f468278ce66f9eb4d876dd221490e94c Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:19:40 -0800 Subject: [TG3]: Fix Phy loopback. Phy loopback on most 10/100 devices need to be run in 1Gbps mode in GMII mode. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d9123c9adc1..e6561c1d85d 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -8781,17 +8781,20 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) tg3_writephy(tp, 0x10, phy & ~0x4000); tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest); } - } - val = BMCR_LOOPBACK | BMCR_FULLDPLX; - if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) - val |= BMCR_SPEED100; - else - val |= BMCR_SPEED1000; + val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100; + } else + val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000; tg3_writephy(tp, MII_BMCR, val); udelay(40); - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) + + mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | + MAC_MODE_LINK_POLARITY; + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800); + mac_mode |= MAC_MODE_PORT_MODE_MII; + } else + mac_mode |= MAC_MODE_PORT_MODE_GMII; /* reset to prevent losing 1st rx packet intermittently */ if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) { @@ -8799,12 +8802,6 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) udelay(10); tw32_f(MAC_RX_MODE, tp->rx_mode); } - mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | - MAC_MODE_LINK_POLARITY; - if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) - mac_mode |= MAC_MODE_PORT_MODE_MII; - else - mac_mode |= MAC_MODE_PORT_MODE_GMII; if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) { mac_mode &= ~MAC_MODE_LINK_POLARITY; tg3_writephy(tp, MII_TG3_EXT_CTRL, -- cgit v1.2.3 From 676917d488212303ce4a7d033815ce8799201010 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:20:22 -0800 Subject: [TG3]: Add 5787F device ID. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e6561c1d85d..5514828b792 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -192,6 +192,7 @@ static struct pci_device_id tg3_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)}, {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)}, @@ -10859,7 +10860,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) || (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM && (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F || - tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F)) || + tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F || + tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) tp->tg3_flags |= TG3_FLAG_10_100_ONLY; -- cgit v1.2.3 From 9d26e213423923c9e033ccd373705118131827c9 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:21:14 -0800 Subject: [TG3]: Add TG3_FLG2_IS_NIC flag. Add Tg3_FLG2_IS_NIC flag to unambiguously determine whether the device is NIC or onboard. Previously, the EEPROM_WRITE_PROT flag was overloaded to also mean onboard. With the separation, we can support some devices that are onboard but do not use eeprom write protect. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 37 ++++++++++++++++++++++++------------- drivers/net/tg3.h | 1 + 2 files changed, 25 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 5514828b792..16bc05fe531 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1062,7 +1062,7 @@ static void tg3_frob_aux_power(struct tg3 *tp) { struct tg3 *tp_peer = tp; - if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0) + if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0) return; if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || @@ -1213,8 +1213,8 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) power_control); udelay(100); /* Delay after power state change */ - /* Switch out of Vaux if it is not a LOM */ - if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) + /* Switch out of Vaux if it is a NIC */ + if (tp->tg3_flags2 & TG3_FLG2_IS_NIC) tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100); return 0; @@ -6397,16 +6397,17 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) udelay(40); /* tp->grc_local_ctrl is partially set up during tg3_get_invariants(). - * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the + * If TG3_FLG2_IS_NIC is zero, we should read the * register to preserve the GPIO settings for LOMs. The GPIOs, * whether used as inputs or outputs, are set by boot code after * reset. */ - if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) { + if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) { u32 gpio_mask; - gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 | - GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2; + gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 | + GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) gpio_mask |= GRC_LCLCTRL_GPIO_OE3 | @@ -6418,8 +6419,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask; /* GPIO1 must be driven high for eeprom write protect */ - tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 | - GRC_LCLCTRL_GPIO_OUTPUT1); + if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) + tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OUTPUT1); } tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl); udelay(100); @@ -9963,8 +9965,10 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { - if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) + if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) { tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT; + tp->tg3_flags2 |= TG3_FLG2_IS_NIC; + } return; } @@ -10064,10 +10068,17 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL) tp->led_ctrl = LED_CTRL_MODE_PHY_2; - if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) + if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) { tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; - else + if ((tp->pdev->subsystem_vendor == + PCI_VENDOR_ID_ARIMA) && + (tp->pdev->subsystem_device == 0x205a || + tp->pdev->subsystem_device == 0x2063)) + tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT; + } else { tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT; + tp->tg3_flags2 |= TG3_FLG2_IS_NIC; + } if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) { tp->tg3_flags |= TG3_FLAG_ENABLE_ASF; @@ -10693,7 +10704,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG; /* Get eeprom hw config before calling tg3_set_power_state(). - * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be + * In particular, the TG3_FLG2_IS_NIC flag must be * determined before calling tg3_set_power_state() so that * we know whether or not to switch out of Vaux power. * When the flag is set, it means that GPIO1 is used for eeprom diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 92f53000bce..dfaf4ed127b 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2233,6 +2233,7 @@ struct tg3 { #define TG3_FLG2_PCI_EXPRESS 0x00000200 #define TG3_FLG2_ASF_NEW_HANDSHAKE 0x00000400 #define TG3_FLG2_HW_AUTONEG 0x00000800 +#define TG3_FLG2_IS_NIC 0x00001000 #define TG3_FLG2_PHY_SERDES 0x00002000 #define TG3_FLG2_CAPACITIVE_COUPLING 0x00004000 #define TG3_FLG2_FLASH 0x00008000 -- cgit v1.2.3 From 3600d918d870456ea8e7bb9d47f327de5c20f3d6 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:21:48 -0800 Subject: [TG3]: Allow partial speed advertisement. Honor the advertisement bitmask from ethtool. We used to always advertise the full capability when autoneg was set to on. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 39 ++++++++++++++++++++++++--------------- 1 file changed, 24 insertions(+), 15 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 16bc05fe531..576e9ea0a56 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1558,12 +1558,6 @@ static void tg3_phy_copper_begin(struct tg3 *tp) tg3_writephy(tp, MII_ADVERTISE, new_adv); } else if (tp->link_config.speed == SPEED_INVALID) { - tp->link_config.advertising = - (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | ADVERTISED_MII); - if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) tp->link_config.advertising &= ~(ADVERTISED_1000baseT_Half | @@ -1707,25 +1701,36 @@ static int tg3_init_5401phy_dsp(struct tg3 *tp) return err; } -static int tg3_copper_is_advertising_all(struct tg3 *tp) +static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask) { - u32 adv_reg, all_mask; + u32 adv_reg, all_mask = 0; + + if (mask & ADVERTISED_10baseT_Half) + all_mask |= ADVERTISE_10HALF; + if (mask & ADVERTISED_10baseT_Full) + all_mask |= ADVERTISE_10FULL; + if (mask & ADVERTISED_100baseT_Half) + all_mask |= ADVERTISE_100HALF; + if (mask & ADVERTISED_100baseT_Full) + all_mask |= ADVERTISE_100FULL; if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg)) return 0; - all_mask = (ADVERTISE_10HALF | ADVERTISE_10FULL | - ADVERTISE_100HALF | ADVERTISE_100FULL); if ((adv_reg & all_mask) != all_mask) return 0; if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) { u32 tg3_ctrl; + all_mask = 0; + if (mask & ADVERTISED_1000baseT_Half) + all_mask |= ADVERTISE_1000HALF; + if (mask & ADVERTISED_1000baseT_Full) + all_mask |= ADVERTISE_1000FULL; + if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl)) return 0; - all_mask = (MII_TG3_CTRL_ADV_1000_HALF | - MII_TG3_CTRL_ADV_1000_FULL); if ((tg3_ctrl & all_mask) != all_mask) return 0; } @@ -1885,7 +1890,8 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) /* Force autoneg restart if we are exiting * low power mode. */ - if (!tg3_copper_is_advertising_all(tp)) + if (!tg3_copper_is_advertising_all(tp, + tp->link_config.advertising)) current_link_up = 0; } else { current_link_up = 0; @@ -10156,7 +10162,7 @@ static int __devinit tg3_phy_probe(struct tg3 *tp) if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) { - u32 bmsr, adv_reg, tg3_ctrl; + u32 bmsr, adv_reg, tg3_ctrl, mask; tg3_readphy(tp, MII_BMSR, &bmsr); if (!tg3_readphy(tp, MII_BMSR, &bmsr) && @@ -10180,7 +10186,10 @@ static int __devinit tg3_phy_probe(struct tg3 *tp) MII_TG3_CTRL_ENABLE_AS_MASTER); } - if (!tg3_copper_is_advertising_all(tp)) { + mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | + ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | + ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full); + if (!tg3_copper_is_advertising_all(tp, mask)) { tg3_writephy(tp, MII_ADVERTISE, adv_reg); if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) -- cgit v1.2.3 From 9f88f29fc502192824aba092e90af1297a87eb82 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:22:54 -0800 Subject: [TG3]: Use netif_msg_*. Use netif_msg_* to turn on or off some messages. Based on Stephen Hemminger's initial patch. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 576e9ea0a56..0b50f1fc4e6 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1402,8 +1402,10 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) static void tg3_link_report(struct tg3 *tp) { if (!netif_carrier_ok(tp->dev)) { - printk(KERN_INFO PFX "%s: Link is down.\n", tp->dev->name); - } else { + if (netif_msg_link(tp)) + printk(KERN_INFO PFX "%s: Link is down.\n", + tp->dev->name); + } else if (netif_msg_link(tp)) { printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n", tp->dev->name, (tp->link_config.active_speed == SPEED_1000 ? @@ -3710,8 +3712,9 @@ static void tg3_tx_timeout(struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); - printk(KERN_ERR PFX "%s: transmit timed out, resetting\n", - dev->name); + if (netif_msg_tx_err(tp)) + printk(KERN_ERR PFX "%s: transmit timed out, resetting\n", + dev->name); schedule_work(&tp->reset_task); } @@ -8665,7 +8668,9 @@ static int tg3_test_registers(struct tg3 *tp) return 0; out: - printk(KERN_ERR PFX "Register test failed at offset %x\n", offset); + if (netif_msg_hw(tp)) + printk(KERN_ERR PFX "Register test failed at offset %x\n", + offset); tw32(offset, save_val); return -EIO; } -- cgit v1.2.3 From 9d57f01c1331cb7bfd0a9d4f7723da5b9329394f Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:23:25 -0800 Subject: [TG3]: Use msleep. Change some udelay() in some eeprom functions to msleep(). Eeprom related functions are always called from sleepable context. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 0b50f1fc4e6..cfb9098c800 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -9467,16 +9467,12 @@ static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp) /* Chips other than 5700/5701 use the NVRAM for fetching info. */ static void __devinit tg3_nvram_init(struct tg3 *tp) { - int j; - tw32_f(GRC_EEPROM_ADDR, (EEPROM_ADDR_FSM_RESET | (EEPROM_DEFAULT_CLOCK_PERIOD << EEPROM_ADDR_CLKPERD_SHIFT))); - /* XXX schedule_timeout() ... */ - for (j = 0; j < 100; j++) - udelay(10); + msleep(1); /* Enable seeprom accesses. */ tw32_f(GRC_LOCAL_CTRL, @@ -9537,12 +9533,12 @@ static int tg3_nvram_read_using_eeprom(struct tg3 *tp, EEPROM_ADDR_ADDR_MASK) | EEPROM_ADDR_READ | EEPROM_ADDR_START); - for (i = 0; i < 10000; i++) { + for (i = 0; i < 1000; i++) { tmp = tr32(GRC_EEPROM_ADDR); if (tmp & EEPROM_ADDR_COMPLETE) break; - udelay(100); + msleep(1); } if (!(tmp & EEPROM_ADDR_COMPLETE)) return -EBUSY; @@ -9667,12 +9663,12 @@ static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp, EEPROM_ADDR_START | EEPROM_ADDR_WRITE); - for (j = 0; j < 10000; j++) { + for (j = 0; j < 1000; j++) { val = tr32(GRC_EEPROM_ADDR); if (val & EEPROM_ADDR_COMPLETE) break; - udelay(100); + msleep(1); } if (!(val & EEPROM_ADDR_COMPLETE)) { rc = -EBUSY; -- cgit v1.2.3 From cbb45d21fb2fcbcafc19ea859350f564252a0878 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 7 Dec 2006 00:24:09 -0800 Subject: [TG3]: Identify Serdes devices more clearly. Change the message to more clearly identify Serdes devices. Update version to 3.70. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index cfb9098c800..571320ae87a 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -68,8 +68,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.69" -#define DRV_MODULE_RELDATE "November 15, 2006" +#define DRV_MODULE_VERSION "3.70" +#define DRV_MODULE_RELDATE "December 1, 2006" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -11932,13 +11932,15 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); - printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ", + printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ", dev->name, tp->board_part_number, tp->pci_chip_rev_id, tg3_phy_string(tp), tg3_bus_string(tp, str), - (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000"); + ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" : + ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" : + "10/100/1000Base-T"))); for (i = 0; i < 6; i++) printk("%2.2x%c", dev->dev_addr[i], -- cgit v1.2.3 From 671adbec210efc15cef81b4616adae8bcd667296 Mon Sep 17 00:00:00 2001 From: Kristen Carlson Accardi Date: Mon, 4 Dec 2006 14:49:43 -0800 Subject: ACPI: dock: Make the dock station driver a platform device driver. Make the dock station driver a platform device driver so that we can create sysfs entries under /sys/device/platform. Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index bf5b79ed361..336d94cdf2a 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -39,6 +40,8 @@ MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME); MODULE_LICENSE("GPL"); static struct atomic_notifier_head dock_notifier_list; +static struct platform_device dock_device; +static char dock_device_name[] = "dock"; struct dock_station { acpi_handle handle; @@ -629,6 +632,15 @@ static int dock_add(acpi_handle handle) spin_lock_init(&dock_station->hp_lock); ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list); + /* initialize platform device stuff */ + dock_device.name = dock_device_name; + ret = platform_device_register(&dock_device); + if (ret) { + printk(KERN_ERR PREFIX "Error registering dock device\n", ret); + kfree(dock_station); + return ret; + } + /* Find dependent devices */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_dock_devices, dock_station, @@ -638,7 +650,8 @@ static int dock_add(acpi_handle handle) dd = alloc_dock_dependent_device(handle); if (!dd) { kfree(dock_station); - return -ENOMEM; + ret = -ENOMEM; + goto dock_add_err_unregister; } add_dock_dependent_device(dock_station, dd); @@ -658,8 +671,10 @@ static int dock_add(acpi_handle handle) return 0; dock_add_err: - kfree(dock_station); kfree(dd); +dock_add_err_unregister: + platform_device_unregister(&dock_device); + kfree(dock_station); return ret; } @@ -686,6 +701,9 @@ static int dock_remove(void) if (ACPI_FAILURE(status)) printk(KERN_ERR "Error removing notify handler\n"); + /* cleanup sysfs */ + platform_device_unregister(&dock_device); + /* free dock station memory */ kfree(dock_station); return 0; -- cgit v1.2.3 From e67beb37df7a9da9d5d1e59c5358654d007a97c5 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Thu, 7 Dec 2006 04:17:35 -0500 Subject: ACPI: dock: fix build warning drivers/acpi/dock.c:689: warning: too many arguments for format Signed-off-by: Len Brown --- drivers/acpi/dock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 336d94cdf2a..2c2f28db9fb 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -636,7 +636,7 @@ static int dock_add(acpi_handle handle) dock_device.name = dock_device_name; ret = platform_device_register(&dock_device); if (ret) { - printk(KERN_ERR PREFIX "Error registering dock device\n", ret); + printk(KERN_ERR PREFIX "Error %d registering dock device\n", ret); kfree(dock_station); return ret; } -- cgit v1.2.3 From c80fdbe81a617c82e2f95233f8ddcf046ffe21b3 Mon Sep 17 00:00:00 2001 From: "brandon@ifup.org" Date: Mon, 4 Dec 2006 14:49:58 -0800 Subject: ACPI: dock: Add a docked sysfs file to the dock driver. Add 2 sysfs files for user interface. 1) docked - 1/0 (read only) - indicates whether the software believes the laptop is docked in a docking station. 2) undock - (write only) - writing to this file causes the software to initiate an undock request to the firmware. Signed-off-by: Brandon Philips Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 95 ++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 79 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 2c2f28db9fb..e4c1a4ff4e3 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -514,6 +514,37 @@ void unregister_hotplug_dock_device(acpi_handle handle) EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device); +/** + * handle_eject_request - handle an undock request checking for error conditions + * + * Check to make sure the dock device is still present, then undock and + * hotremove all the devices that may need removing. + */ +static int handle_eject_request(struct dock_station *ds, u32 event) +{ + if (!dock_present(ds)) + return -ENODEV; + + if (dock_in_progress(ds)) + return -EBUSY; + + /* + * here we need to generate the undock + * event prior to actually doing the undock + * so that the device struct still exists. + */ + dock_event(ds, event, UNDOCK_EVENT); + hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST); + undock(ds); + eject_dock(ds); + if (dock_present(ds)) { + printk(KERN_ERR PREFIX "Unable to undock!\n"); + return -EBUSY; + } + + return 0; +} + /** * dock_notify - act upon an acpi dock notification * @handle: the dock station handle @@ -522,9 +553,7 @@ EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device); * * If we are notified to dock, then check to see if the dock is * present and then dock. Notify all drivers of the dock event, - * and then hotplug and devices that may need hotplugging. For undock - * check to make sure the dock device is still present, then undock - * and hotremove all the devices that may need removing. + * and then hotplug and devices that may need hotplugging. */ static void dock_notify(acpi_handle handle, u32 event, void *data) { @@ -556,19 +585,7 @@ static void dock_notify(acpi_handle handle, u32 event, void *data) * to the driver who wish to hotplug. */ case ACPI_NOTIFY_EJECT_REQUEST: - if (!dock_in_progress(ds) && dock_present(ds)) { - /* - * here we need to generate the undock - * event prior to actually doing the undock - * so that the device struct still exists. - */ - dock_event(ds, event, UNDOCK_EVENT); - hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST); - undock(ds); - eject_dock(ds); - if (dock_present(ds)) - printk(KERN_ERR PREFIX "Unable to undock!\n"); - } + handle_eject_request(ds, event); break; default: printk(KERN_ERR PREFIX "Unknown dock event %d\n", event); @@ -607,6 +624,33 @@ find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; } +/* + * show_docked - read method for "docked" file in sysfs + */ +static ssize_t show_docked(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", dock_present(dock_station)); + +} +DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL); + +/* + * write_undock - write method for "undock" file in sysfs + */ +static ssize_t write_undock(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret; + + if (!count) + return -EINVAL; + + ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST); + return ret ? ret: count; +} +DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock); + /** * dock_add - add a new dock station * @handle: the dock station handle @@ -640,6 +684,21 @@ static int dock_add(acpi_handle handle) kfree(dock_station); return ret; } + ret = device_create_file(&dock_device.dev, &dev_attr_docked); + if (ret) { + printk("Error %d adding sysfs file\n", ret); + platform_device_unregister(&dock_device); + kfree(dock_station); + return ret; + } + ret = device_create_file(&dock_device.dev, &dev_attr_undock); + if (ret) { + printk("Error %d adding sysfs file\n", ret); + device_remove_file(&dock_device.dev, &dev_attr_docked); + platform_device_unregister(&dock_device); + kfree(dock_station); + return ret; + } /* Find dependent devices */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, @@ -673,6 +732,8 @@ static int dock_add(acpi_handle handle) dock_add_err: kfree(dd); dock_add_err_unregister: + device_remove_file(&dock_device.dev, &dev_attr_docked); + device_remove_file(&dock_device.dev, &dev_attr_undock); platform_device_unregister(&dock_device); kfree(dock_station); return ret; @@ -702,6 +763,8 @@ static int dock_remove(void) printk(KERN_ERR "Error removing notify handler\n"); /* cleanup sysfs */ + device_remove_file(&dock_device.dev, &dev_attr_docked); + device_remove_file(&dock_device.dev, &dev_attr_undock); platform_device_unregister(&dock_device); /* free dock station memory */ -- cgit v1.2.3 From 2548c06b72396e28abdb5dd572ab589c3c22f4b9 Mon Sep 17 00:00:00 2001 From: Prarit Bhargava Date: Mon, 4 Dec 2006 14:50:17 -0800 Subject: ACPI: dock: Fix symbol conflict between acpiphp and dock Fix bug which will cause acpiphp to not be able to load when dock.ko cannot load. Signed-off-by: Prarit Bhargava Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index e4c1a4ff4e3..8c6828bee5d 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -444,6 +444,9 @@ static int dock_in_progress(struct dock_station *ds) */ int register_dock_notifier(struct notifier_block *nb) { + if (!dock_station) + return -ENODEV; + return atomic_notifier_chain_register(&dock_notifier_list, nb); } @@ -455,6 +458,9 @@ EXPORT_SYMBOL_GPL(register_dock_notifier); */ void unregister_dock_notifier(struct notifier_block *nb) { + if (!dock_station) + return; + atomic_notifier_chain_unregister(&dock_notifier_list, nb); } @@ -807,7 +813,7 @@ static int __init dock_init(void) ACPI_UINT32_MAX, find_dock, &num, NULL); if (!num) - return -ENODEV; + printk(KERN_INFO "No dock devices found.\n"); return 0; } -- cgit v1.2.3 From c57ee096b6caf8f7e17abe46185d24f2b649b9f9 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 5 Dec 2006 15:09:16 +0200 Subject: [PATCH] AT91RM9200 Ethernet: Remove 'at91_dev' and use netdev_priv() Remove the global 'at91_dev' variable. Use netdev_priv() instead of casting dev->priv directly. Signed-off-by: Andrew Victor Signed-off-by: Jeff Garzik --- drivers/net/arm/at91_ether.c | 55 ++++++++++++++++++++------------------------ 1 file changed, 25 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index b54b857e357..58da5b77335 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -41,8 +41,6 @@ #define DRV_NAME "at91_ether" #define DRV_VERSION "1.0" -static struct net_device *at91_dev; - static struct timer_list check_timer; #define LINK_POLL_INTERVAL (HZ) @@ -146,7 +144,7 @@ static void read_phy(unsigned char phy_addr, unsigned char address, unsigned int */ static void update_linkspeed(struct net_device *dev, int silent) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned int bmsr, bmcr, lpa, mac_cfg; unsigned int speed, duplex; @@ -199,7 +197,7 @@ static void update_linkspeed(struct net_device *dev, int silent) static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *) dev_id; - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned int phy; /* @@ -242,7 +240,7 @@ done: */ static void enable_phyirq(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned int dsintr, irq_number; int status; @@ -294,7 +292,7 @@ static void enable_phyirq(struct net_device *dev) */ static void disable_phyirq(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned int dsintr; unsigned int irq_number; @@ -340,7 +338,7 @@ static void disable_phyirq(struct net_device *dev) #if 0 static void reset_phy(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned int bmcr; spin_lock_irq(&lp->lock); @@ -590,7 +588,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); int ret; spin_lock_irq(&lp->lock); @@ -611,7 +609,7 @@ static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cm static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); int ret; spin_lock_irq(&lp->lock); @@ -627,7 +625,7 @@ static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cm static int at91ether_nwayreset(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); int ret; spin_lock_irq(&lp->lock); @@ -658,7 +656,7 @@ static const struct ethtool_ops at91ether_ethtool_ops = { static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); int res; if (!netif_running(dev)) @@ -680,7 +678,7 @@ static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) */ static void at91ether_start(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); struct recv_desc_bufs *dlist, *dlist_phys; int i; unsigned long ctl; @@ -712,7 +710,7 @@ static void at91ether_start(struct net_device *dev) */ static int at91ether_open(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned long ctl; if (!is_valid_ether_addr(dev->dev_addr)) @@ -752,7 +750,7 @@ static int at91ether_open(struct net_device *dev) */ static int at91ether_close(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned long ctl; /* Disable Receiver and Transmitter */ @@ -779,7 +777,7 @@ static int at91ether_close(struct net_device *dev) */ static int at91ether_tx(struct sk_buff *skb, struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); if (at91_emac_read(AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ) { netif_stop_queue(dev); @@ -811,7 +809,7 @@ static int at91ether_tx(struct sk_buff *skb, struct net_device *dev) */ static struct net_device_stats *at91ether_stats(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); int ale, lenerr, seqe, lcol, ecol; if (netif_running(dev)) { @@ -847,7 +845,7 @@ static struct net_device_stats *at91ether_stats(struct net_device *dev) */ static void at91ether_rx(struct net_device *dev) { - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); struct recv_desc_bufs *dlist; unsigned char *p_recv; struct sk_buff *skb; @@ -891,7 +889,7 @@ static void at91ether_rx(struct net_device *dev) static irqreturn_t at91ether_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *) dev_id; - struct at91_private *lp = (struct at91_private *) dev->priv; + struct at91_private *lp = netdev_priv(dev); unsigned long intstatus, ctl; /* MAC Interrupt Status register indicates what interrupts are pending. @@ -939,9 +937,6 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add unsigned int val; int res; - if (at91_dev) /* already initialized */ - return 0; - dev = alloc_etherdev(sizeof(struct at91_private)); if (!dev) return -ENOMEM; @@ -957,7 +952,7 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add } /* Allocate memory for DMA Receive descriptors */ - lp = (struct at91_private *)dev->priv; + lp = netdev_priv(dev); lp->dlist = (struct recv_desc_bufs *) dma_alloc_coherent(NULL, sizeof(struct recv_desc_bufs), (dma_addr_t *) &lp->dlist_phys, GFP_KERNEL); if (lp->dlist == NULL) { free_irq(dev->irq, dev); @@ -1024,7 +1019,6 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys); return res; } - at91_dev = dev; /* Determine current link speed */ spin_lock_irq(&lp->lock); @@ -1115,15 +1109,16 @@ static int __init at91ether_probe(struct platform_device *pdev) static int __devexit at91ether_remove(struct platform_device *pdev) { - struct at91_private *lp = (struct at91_private *) at91_dev->priv; + struct net_device *dev = platform_get_drvdata(pdev); + struct at91_private *lp = netdev_priv(dev); - unregister_netdev(at91_dev); - free_irq(at91_dev->irq, at91_dev); + unregister_netdev(dev); + free_irq(dev->irq, dev); dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys); clk_put(lp->ether_clk); - free_netdev(at91_dev); - at91_dev = NULL; + platform_set_drvdata(pdev, NULL); + free_netdev(dev); return 0; } @@ -1131,8 +1126,8 @@ static int __devexit at91ether_remove(struct platform_device *pdev) static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg) { - struct at91_private *lp = (struct at91_private *) at91_dev->priv; struct net_device *net_dev = platform_get_drvdata(pdev); + struct at91_private *lp = netdev_priv(net_dev); int phy_irq = lp->board_data.phy_irq_pin; if (netif_running(net_dev)) { @@ -1149,8 +1144,8 @@ static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg) static int at91ether_resume(struct platform_device *pdev) { - struct at91_private *lp = (struct at91_private *) at91_dev->priv; struct net_device *net_dev = platform_get_drvdata(pdev); + struct at91_private *lp = netdev_priv(net_dev); int phy_irq = lp->board_data.phy_irq_pin; if (netif_running(net_dev)) { -- cgit v1.2.3 From cf42553ab43e102bc98eca05523d2390a1eedde9 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 5 Dec 2006 15:21:19 +0200 Subject: [PATCH] AT91RM9200 Ethernet: Move check_timer variable and use mod_timer() Move the global 'check_timer' variable into the private data structure. Also now use mod_timer(). Signed-off-by: Andrew Victor Signed-off-by: Jeff Garzik --- drivers/net/arm/at91_ether.c | 16 +++++++--------- drivers/net/arm/at91_ether.h | 1 + 2 files changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 58da5b77335..918368cdb76 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -41,7 +41,6 @@ #define DRV_NAME "at91_ether" #define DRV_VERSION "1.0" -static struct timer_list check_timer; #define LINK_POLL_INTERVAL (HZ) /* ..................................................................... */ @@ -250,8 +249,7 @@ static void enable_phyirq(struct net_device *dev) * PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L), * or board does not have it connected. */ - check_timer.expires = jiffies + LINK_POLL_INTERVAL; - add_timer(&check_timer); + mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL); return; } @@ -298,7 +296,7 @@ static void disable_phyirq(struct net_device *dev) irq_number = lp->board_data.phy_irq_pin; if (!irq_number) { - del_timer_sync(&check_timer); + del_timer_sync(&lp->check_timer); return; } @@ -360,13 +358,13 @@ static void reset_phy(struct net_device *dev) static void at91ether_check_link(unsigned long dev_id) { struct net_device *dev = (struct net_device *) dev_id; + struct at91_private *lp = netdev_priv(dev); enable_mdi(); update_linkspeed(dev, 1); disable_mdi(); - check_timer.expires = jiffies + LINK_POLL_INTERVAL; - add_timer(&check_timer); + mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL); } /* ......................... ADDRESS MANAGEMENT ........................ */ @@ -1030,9 +1028,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add /* If board has no PHY IRQ, use a timer to poll the PHY */ if (!lp->board_data.phy_irq_pin) { - init_timer(&check_timer); - check_timer.data = (unsigned long)dev; - check_timer.function = at91ether_check_link; + init_timer(&lp->check_timer); + lp->check_timer.data = (unsigned long)dev; + lp->check_timer.function = at91ether_check_link; } /* Display ethernet banner */ diff --git a/drivers/net/arm/at91_ether.h b/drivers/net/arm/at91_ether.h index d1e72e02be3..b6b665de2ea 100644 --- a/drivers/net/arm/at91_ether.h +++ b/drivers/net/arm/at91_ether.h @@ -87,6 +87,7 @@ struct at91_private spinlock_t lock; /* lock for MDI interface */ short phy_media; /* media interface type */ unsigned short phy_address; /* 5-bit MDI address of PHY (0..31) */ + struct timer_list check_timer; /* Poll link status */ /* Transmit */ struct sk_buff *skb; /* holds skb until xmit interrupt completes */ -- cgit v1.2.3 From 51cc21045714cc9f48eb6901d95eb4e552ef2ca4 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 5 Dec 2006 15:33:05 +0200 Subject: [PATCH] AT91RM9200 Ethernet: Add netpoll / netconsole support Adds netpoll / netconsole support. Original patch from Bill Gatliff. Signed-off-by: Andrew Victor Signed-off-by: Jeff Garzik --- drivers/net/arm/at91_ether.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers') diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 918368cdb76..f33d957adc7 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -923,6 +923,17 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void at91ether_poll_controller(struct net_device *dev) +{ + unsigned long flags; + + local_irq_save(flags); + at91ether_interrupt(dev->irq, dev); + local_irq_restore(flags); +} +#endif + /* * Initialize the ethernet interface */ @@ -972,6 +983,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add dev->set_mac_address = set_mac_address; dev->ethtool_ops = &at91ether_ethtool_ops; dev->do_ioctl = at91ether_ioctl; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = at91ether_poll_controller; +#endif SET_NETDEV_DEV(dev, &pdev->dev); -- cgit v1.2.3 From a3f63e4f4be0da938771d754e846ff0019f9d42e Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 5 Dec 2006 15:37:02 +0200 Subject: [PATCH] AT91RM9200 Ethernet: Use dev_alloc_skb() Use dev_alloc_skb() instead of alloc_skb(). It is also not necessary to adjust skb->len manually since that's already done by skb_put(). Signed-off-by: Andrew Victor Signed-off-by: Jeff Garzik --- drivers/net/arm/at91_ether.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index f33d957adc7..fada15d959d 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -853,14 +853,13 @@ static void at91ether_rx(struct net_device *dev) while (dlist->descriptors[lp->rxBuffIndex].addr & EMAC_DESC_DONE) { p_recv = dlist->recv_buf[lp->rxBuffIndex]; pktlen = dlist->descriptors[lp->rxBuffIndex].size & 0x7ff; /* Length of frame including FCS */ - skb = alloc_skb(pktlen + 2, GFP_ATOMIC); + skb = dev_alloc_skb(pktlen + 2); if (skb != NULL) { skb_reserve(skb, 2); memcpy(skb_put(skb, pktlen), p_recv, pktlen); skb->dev = dev; skb->protocol = eth_type_trans(skb, dev); - skb->len = pktlen; dev->last_rx = jiffies; lp->stats.rx_bytes += pktlen; netif_rx(skb); -- cgit v1.2.3 From 2a45b49c30c422c83c9227cb8ca99f129a5cf5d0 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 4 Dec 2006 15:53:16 -0800 Subject: [PATCH] sky2: add PCI for 88ec033 Add another new/missing pci id for 88ec033 chip. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 842abd9396c..a0563e0b0bb 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -117,6 +117,7 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, -- cgit v1.2.3 From e5b74c7ddd46d1779bea21d7c8efb39bbcc3df21 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 4 Dec 2006 15:53:36 -0800 Subject: [PATCH] sky2: add comments to PCI ids Add comments to sky2 driver to show relationship between PCI id and hardware. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 48 +++++++++++++++++++++++------------------------- 1 file changed, 23 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index a0563e0b0bb..b1df594fdf5 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -100,34 +100,32 @@ module_param(idle_timeout, int, 0); MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)"); static const struct pci_device_id sky2_id_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, - { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ { 0 } }; -- cgit v1.2.3 From 6771290102c4703dae56bc3e121deb63530e206c Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 4 Dec 2006 15:53:45 -0800 Subject: [PATCH] sky2: beter ram buffer partitioning Different chips have different sizes of ram buffers, and some versions have no ram buffer at all!. Be more careful about sizing the ram usage because it maybe a problem if vendor keeps changing sizes. There is the (unlikely) possibility that some of the errors on some of the chips have been caused by partitioning not on a 1K boundary. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 41 +++++++++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index b1df594fdf5..b9f7eb5453f 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -696,10 +696,15 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) } -/* Assign Ram Buffer allocation in units of 64bit (8 bytes) */ -static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end) +/* Assign Ram Buffer allocation to queue */ +static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space) { - pr_debug(PFX "q %d %#x %#x\n", q, start, end); + u32 end; + + /* convert from K bytes to qwords used for hw register */ + start *= 1024/8; + space *= 1024/8; + end = start + space - 1; sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); sky2_write32(hw, RB_ADDR(q, RB_START), start); @@ -708,7 +713,6 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end) sky2_write32(hw, RB_ADDR(q, RB_RP), start); if (q == Q_R1 || q == Q_R2) { - u32 space = end - start + 1; u32 tp = space - space/4; /* On receive queue's set the thresholds @@ -1138,7 +1142,7 @@ static int sky2_up(struct net_device *dev) struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; - u32 ramsize, rxspace, imask; + u32 ramsize, imask; int cap, err = -ENOMEM; struct net_device *otherdev = hw->dev[sky2->port^1]; @@ -1191,20 +1195,25 @@ static int sky2_up(struct net_device *dev) sky2_mac_init(hw, port); - /* Determine available ram buffer space in qwords. */ - ramsize = sky2_read8(hw, B2_E_0) * 4096/8; + /* Register is number of 4K blocks on internal RAM buffer. */ + ramsize = sky2_read8(hw, B2_E_0) * 4; + printk(KERN_INFO PFX "%s: ram buffer %dK\n", dev->name, ramsize); - if (ramsize > 6*1024/8) - rxspace = ramsize - (ramsize + 2) / 3; - else - rxspace = ramsize / 2; + if (ramsize > 0) { + u32 rxspace; - sky2_ramset(hw, rxqaddr[port], 0, rxspace-1); - sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1); + if (ramsize < 16) + rxspace = ramsize / 2; + else + rxspace = 8 + (2*(ramsize - 16))/3; - /* Make sure SyncQ is disabled */ - sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), - RB_RST_SET); + sky2_ramset(hw, rxqaddr[port], 0, rxspace); + sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); + + /* Make sure SyncQ is disabled */ + sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), + RB_RST_SET); + } sky2_qset(hw, txqaddr[port]); -- cgit v1.2.3 From c3905bc4b71ab562acf69765e8c4778bd263b9db Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 4 Dec 2006 17:08:19 -0800 Subject: [PATCH] sky2: receive queue watermark tweak This patch makes the receive performance on some systems go from 714MB/s to 941MB/s. It adjusts the watermark of the receive queue to be lower, thereby avoiding excess hardware flow control. This is most important on the systems which have little/no additional buffering. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 11 ++++++++--- drivers/net/sky2.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index b9f7eb5453f..a8e096393a4 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1062,11 +1062,16 @@ static int sky2_rx_start(struct sky2_port *sky2) sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); + /* On PCI express lowering the watermark gives better performance */ + if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) + sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); + + /* These chips have no ram buffer? + * MAC Rx RAM Read is controlled by hardware */ if (hw->chip_id == CHIP_ID_YUKON_EC_U && - (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) { - /* MAC Rx RAM Read is controlled by hardware */ + (hw->chip_rev == CHIP_REV_YU_EC_U_A1 + || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); - } sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 7760545edbf..a63f6057b2e 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -680,6 +680,7 @@ enum { BMU_FIFO_ENA | BMU_OP_ON, BMU_WM_DEFAULT = 0x600, + BMU_WM_PEX = 0x80, }; /* Tx BMU Control / Status Registers (Yukon-2) */ -- cgit v1.2.3 From e67bda55e27d3308ba0b4ce8cf2da51850ef1453 Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Tue, 5 Dec 2006 17:26:27 +0100 Subject: [PATCH] myri10ge: write as 2 32-byte blocks in myri10ge_submit_8rx In the myri10ge_submit_8rx() routine, write the 64 byte request block as 2 32-byte blocks so that it is handled by the hardware pio write handler if write-combining is enabled. Signed-off-by: Brice Goglin Signed-off-by: Jeff Garzik --- drivers/net/myri10ge/myri10ge.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index b8f57df1091..81f127a78af 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -795,7 +795,9 @@ myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst, low = src->addr_low; src->addr_low = htonl(DMA_32BIT_MASK); - myri10ge_pio_copy(dst, src, 8 * sizeof(*src)); + myri10ge_pio_copy(dst, src, 4 * sizeof(*src)); + mb(); + myri10ge_pio_copy(dst + 4, src + 4, 4 * sizeof(*src)); mb(); src->addr_low = low; put_be32(low, &dst->addr_low); -- cgit v1.2.3 From 7f4b45c5269049e223eda31c7e3879c226039e4a Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 5 Dec 2006 12:02:50 -0800 Subject: [PATCH] skge: fix sparse warnings Fix sparse warnings from using enum as part of arithmetic expression, and comment indentation fixes Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/skge.h | 150 ++++++++++++++++++++++++++--------------------------- 1 file changed, 75 insertions(+), 75 deletions(-) (limited to 'drivers') diff --git a/drivers/net/skge.h b/drivers/net/skge.h index 23e5275d920..f6223c533c0 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -389,10 +389,10 @@ enum { /* Packet Arbiter Registers */ /* B3_PA_CTRL 16 bit Packet Arbiter Ctrl Register */ enum { - PA_CLR_TO_TX2 = 1<<13, /* Clear IRQ Packet Timeout TX2 */ - PA_CLR_TO_TX1 = 1<<12, /* Clear IRQ Packet Timeout TX1 */ - PA_CLR_TO_RX2 = 1<<11, /* Clear IRQ Packet Timeout RX2 */ - PA_CLR_TO_RX1 = 1<<10, /* Clear IRQ Packet Timeout RX1 */ + PA_CLR_TO_TX2 = 1<<13,/* Clear IRQ Packet Timeout TX2 */ + PA_CLR_TO_TX1 = 1<<12,/* Clear IRQ Packet Timeout TX1 */ + PA_CLR_TO_RX2 = 1<<11,/* Clear IRQ Packet Timeout RX2 */ + PA_CLR_TO_RX1 = 1<<10,/* Clear IRQ Packet Timeout RX1 */ PA_ENA_TO_TX2 = 1<<9, /* Enable Timeout Timer TX2 */ PA_DIS_TO_TX2 = 1<<8, /* Disable Timeout Timer TX2 */ PA_ENA_TO_TX1 = 1<<7, /* Enable Timeout Timer TX1 */ @@ -481,14 +481,14 @@ enum { /* RAM Buffer Register Offsets */ enum { - RB_START = 0x00,/* 32 bit RAM Buffer Start Address */ + RB_START= 0x00,/* 32 bit RAM Buffer Start Address */ RB_END = 0x04,/* 32 bit RAM Buffer End Address */ RB_WP = 0x08,/* 32 bit RAM Buffer Write Pointer */ RB_RP = 0x0c,/* 32 bit RAM Buffer Read Pointer */ - RB_RX_UTPP = 0x10,/* 32 bit Rx Upper Threshold, Pause Packet */ - RB_RX_LTPP = 0x14,/* 32 bit Rx Lower Threshold, Pause Packet */ - RB_RX_UTHP = 0x18,/* 32 bit Rx Upper Threshold, High Prio */ - RB_RX_LTHP = 0x1c,/* 32 bit Rx Lower Threshold, High Prio */ + RB_RX_UTPP= 0x10,/* 32 bit Rx Upper Threshold, Pause Packet */ + RB_RX_LTPP= 0x14,/* 32 bit Rx Lower Threshold, Pause Packet */ + RB_RX_UTHP= 0x18,/* 32 bit Rx Upper Threshold, High Prio */ + RB_RX_LTHP= 0x1c,/* 32 bit Rx Lower Threshold, High Prio */ /* 0x10 - 0x1f: reserved at Tx RAM Buffer Registers */ RB_PC = 0x20,/* 32 bit RAM Buffer Packet Counter */ RB_LEV = 0x24,/* 32 bit RAM Buffer Level Register */ @@ -532,7 +532,7 @@ enum { PHY_ADDR_MARV = 0, }; -#define RB_ADDR(offs, queue) (B16_RAM_REGS + (queue) + (offs)) +#define RB_ADDR(offs, queue) ((u16)B16_RAM_REGS + (u16)(queue) + (offs)) /* Receive MAC FIFO, Receive LED, and Link_Sync regs (GENESIS only) */ enum { @@ -578,15 +578,15 @@ enum { MFF_DIS_TIST = 1<<2, /* Disable Time Stamp Gener */ MFF_CLR_INTIST = 1<<1, /* Clear IRQ No Time Stamp */ MFF_CLR_INSTAT = 1<<0, /* Clear IRQ No Status */ -#define MFF_RX_CTRL_DEF MFF_ENA_TIM_PAT + MFF_RX_CTRL_DEF = MFF_ENA_TIM_PAT, }; /* TX_MFF_CTRL1 16 bit Transmit MAC FIFO Control Reg 1 */ enum { - MFF_CLR_PERR = 1<<15, /* Clear Parity Error IRQ */ - /* Bit 14: reserved */ - MFF_ENA_PKT_REC = 1<<13, /* Enable Packet Recovery */ - MFF_DIS_PKT_REC = 1<<12, /* Disable Packet Recovery */ + MFF_CLR_PERR = 1<<15, /* Clear Parity Error IRQ */ + + MFF_ENA_PKT_REC = 1<<13, /* Enable Packet Recovery */ + MFF_DIS_PKT_REC = 1<<12, /* Disable Packet Recovery */ MFF_ENA_W4E = 1<<7, /* Enable Wait for Empty */ MFF_DIS_W4E = 1<<6, /* Disable Wait for Empty */ @@ -595,9 +595,10 @@ enum { MFF_DIS_LOOPB = 1<<2, /* Disable Loopback */ MFF_CLR_MAC_RST = 1<<1, /* Clear XMAC Reset */ MFF_SET_MAC_RST = 1<<0, /* Set XMAC Reset */ + + MFF_TX_CTRL_DEF = MFF_ENA_PKT_REC | (u16) MFF_ENA_TIM_PAT | MFF_ENA_FLUSH, }; -#define MFF_TX_CTRL_DEF (MFF_ENA_PKT_REC | MFF_ENA_TIM_PAT | MFF_ENA_FLUSH) /* RX_MFF_TST2 8 bit Receive MAC FIFO Test Register 2 */ /* TX_MFF_TST2 8 bit Transmit MAC FIFO Test Register 2 */ @@ -1304,8 +1305,8 @@ enum { /* special defines for FIBER (88E1011S only) */ enum { - PHY_M_AN_ASP_X = 1<<8, /* Asymmetric Pause */ - PHY_M_AN_PC_X = 1<<7, /* MAC Pause implemented */ + PHY_M_AN_ASP_X = 1<<8, /* Asymmetric Pause */ + PHY_M_AN_PC_X = 1<<7, /* MAC Pause implemented */ PHY_M_AN_1000X_AHD = 1<<6, /* Advertise 10000Base-X Half Duplex */ PHY_M_AN_1000X_AFD = 1<<5, /* Advertise 10000Base-X Full Duplex */ }; @@ -1320,7 +1321,7 @@ enum { /***** PHY_MARV_1000T_CTRL 16 bit r/w 1000Base-T Control Reg *****/ enum { - PHY_M_1000C_TEST = 7<<13,/* Bit 15..13: Test Modes */ + PHY_M_1000C_TEST= 7<<13,/* Bit 15..13: Test Modes */ PHY_M_1000C_MSE = 1<<12, /* Manual Master/Slave Enable */ PHY_M_1000C_MSC = 1<<11, /* M/S Configuration (1=Master) */ PHY_M_1000C_MPD = 1<<10, /* Multi-Port Device */ @@ -1349,7 +1350,7 @@ enum { PHY_M_PC_EN_DET_PLUS = 3<<8, /* Energy Detect Plus (Mode 2) */ }; -#define PHY_M_PC_MDI_XMODE(x) (((x)<<5) & PHY_M_PC_MDIX_MSK) +#define PHY_M_PC_MDI_XMODE(x) ((((u16)(x)<<5) & PHY_M_PC_MDIX_MSK) enum { PHY_M_PC_MAN_MDI = 0, /* 00 = Manual MDI configuration */ @@ -1432,24 +1433,24 @@ enum { PHY_M_EC_DIS_LINK_P = 1<<12, /* Disable Link Pulses (88E1111 only) */ PHY_M_EC_M_DSC_MSK = 3<<10, /* Bit 11..10: Master Downshift Counter */ /* (88E1011 only) */ - PHY_M_EC_S_DSC_MSK = 3<<8,/* Bit 9.. 8: Slave Downshift Counter */ + PHY_M_EC_S_DSC_MSK = 3<<8, /* Bit 9.. 8: Slave Downshift Counter */ /* (88E1011 only) */ - PHY_M_EC_M_DSC_MSK2 = 7<<9,/* Bit 11.. 9: Master Downshift Counter */ + PHY_M_EC_M_DSC_MSK2 = 7<<9, /* Bit 11.. 9: Master Downshift Counter */ /* (88E1111 only) */ - PHY_M_EC_DOWN_S_ENA = 1<<8, /* Downshift Enable (88E1111 only) */ + PHY_M_EC_DOWN_S_ENA = 1<<8, /* Downshift Enable (88E1111 only) */ /* !!! Errata in spec. (1 = disable) */ - PHY_M_EC_RX_TIM_CT = 1<<7, /* RGMII Rx Timing Control*/ - PHY_M_EC_MAC_S_MSK = 7<<4,/* Bit 6.. 4: Def. MAC interface speed */ - PHY_M_EC_FIB_AN_ENA = 1<<3, /* Fiber Auto-Neg. Enable (88E1011S only) */ - PHY_M_EC_DTE_D_ENA = 1<<2, /* DTE Detect Enable (88E1111 only) */ - PHY_M_EC_TX_TIM_CT = 1<<1, /* RGMII Tx Timing Control */ - PHY_M_EC_TRANS_DIS = 1<<0, /* Transmitter Disable (88E1111 only) */}; - -#define PHY_M_EC_M_DSC(x) ((x)<<10) /* 00=1x; 01=2x; 10=3x; 11=4x */ -#define PHY_M_EC_S_DSC(x) ((x)<<8) /* 00=dis; 01=1x; 10=2x; 11=3x */ -#define PHY_M_EC_MAC_S(x) ((x)<<4) /* 01X=0; 110=2.5; 111=25 (MHz) */ - -#define PHY_M_EC_M_DSC_2(x) ((x)<<9) /* 000=1x; 001=2x; 010=3x; 011=4x */ + PHY_M_EC_RX_TIM_CT = 1<<7, /* RGMII Rx Timing Control*/ + PHY_M_EC_MAC_S_MSK = 7<<4, /* Bit 6.. 4: Def. MAC interface speed */ + PHY_M_EC_FIB_AN_ENA = 1<<3, /* Fiber Auto-Neg. Enable (88E1011S only) */ + PHY_M_EC_DTE_D_ENA = 1<<2, /* DTE Detect Enable (88E1111 only) */ + PHY_M_EC_TX_TIM_CT = 1<<1, /* RGMII Tx Timing Control */ + PHY_M_EC_TRANS_DIS = 1<<0, /* Transmitter Disable (88E1111 only) */}; + +#define PHY_M_EC_M_DSC(x) ((u16)(x)<<10) /* 00=1x; 01=2x; 10=3x; 11=4x */ +#define PHY_M_EC_S_DSC(x) ((u16)(x)<<8) /* 00=dis; 01=1x; 10=2x; 11=3x */ +#define PHY_M_EC_MAC_S(x) ((u16)(x)<<4) /* 01X=0; 110=2.5; 111=25 (MHz) */ + +#define PHY_M_EC_M_DSC_2(x) ((u16)(x)<<9) /* 000=1x; 001=2x; 010=3x; 011=4x */ /* 100=5x; 101=6x; 110=7x; 111=8x */ enum { MAC_TX_CLK_0_MHZ = 2, @@ -1468,10 +1469,12 @@ enum { PHY_M_LEDC_LK_C_MSK = 7<<3,/* Bit 5.. 3: Link Control Mask */ /* (88E1111 only) */ }; +#define PHY_M_LED_PULS_DUR(x) (((u16)(x)<<12) & PHY_M_LEDC_PULS_MSK) +#define PHY_M_LED_BLINK_RT(x) (((u16)(x)<<8) & PHY_M_LEDC_BL_R_MSK) enum { - PHY_M_LEDC_LINK_MSK = 3<<3,/* Bit 4.. 3: Link Control Mask */ - /* (88E1011 only) */ + PHY_M_LEDC_LINK_MSK = 3<<3, /* Bit 4.. 3: Link Control Mask */ + /* (88E1011 only) */ PHY_M_LEDC_DP_CTRL = 1<<2, /* Duplex Control */ PHY_M_LEDC_DP_C_MSB = 1<<2, /* Duplex Control (MSB, 88E1111 only) */ PHY_M_LEDC_RX_CTRL = 1<<1, /* Rx Activity / Link */ @@ -1479,27 +1482,24 @@ enum { PHY_M_LEDC_TX_C_MSB = 1<<0, /* Tx Control (MSB, 88E1111 only) */ }; -#define PHY_M_LED_PULS_DUR(x) (((x)<<12) & PHY_M_LEDC_PULS_MSK) - enum { - PULS_NO_STR = 0,/* no pulse stretching */ - PULS_21MS = 1,/* 21 ms to 42 ms */ - PULS_42MS = 2,/* 42 ms to 84 ms */ - PULS_84MS = 3,/* 84 ms to 170 ms */ - PULS_170MS = 4,/* 170 ms to 340 ms */ - PULS_340MS = 5,/* 340 ms to 670 ms */ - PULS_670MS = 6,/* 670 ms to 1.3 s */ - PULS_1300MS = 7,/* 1.3 s to 2.7 s */ + PULS_NO_STR = 0, /* no pulse stretching */ + PULS_21MS = 1, /* 21 ms to 42 ms */ + PULS_42MS = 2, /* 42 ms to 84 ms */ + PULS_84MS = 3, /* 84 ms to 170 ms */ + PULS_170MS = 4, /* 170 ms to 340 ms */ + PULS_340MS = 5, /* 340 ms to 670 ms */ + PULS_670MS = 6, /* 670 ms to 1.3 s */ + PULS_1300MS = 7, /* 1.3 s to 2.7 s */ }; -#define PHY_M_LED_BLINK_RT(x) (((x)<<8) & PHY_M_LEDC_BL_R_MSK) enum { - BLINK_42MS = 0,/* 42 ms */ - BLINK_84MS = 1,/* 84 ms */ - BLINK_170MS = 2,/* 170 ms */ - BLINK_340MS = 3,/* 340 ms */ - BLINK_670MS = 4,/* 670 ms */ + BLINK_42MS = 0, /* 42 ms */ + BLINK_84MS = 1, /* 84 ms */ + BLINK_170MS = 2, /* 170 ms */ + BLINK_340MS = 3, /* 340 ms */ + BLINK_670MS = 4, /* 670 ms */ }; /***** PHY_MARV_LED_OVER 16 bit r/w Manual LED Override Reg *****/ @@ -1525,7 +1525,7 @@ enum { PHY_M_EC2_FO_IMPED = 1<<5, /* Fiber Output Impedance */ PHY_M_EC2_FO_M_CLK = 1<<4, /* Fiber Mode Clock Enable */ PHY_M_EC2_FO_BOOST = 1<<3, /* Fiber Output Boost */ - PHY_M_EC2_FO_AM_MSK = 7,/* Bit 2.. 0: Fiber Output Amplitude */ + PHY_M_EC2_FO_AM_MSK = 7, /* Bit 2.. 0: Fiber Output Amplitude */ }; /***** PHY_MARV_EXT_P_STAT 16 bit r/w Ext. PHY Specific Status *****/ @@ -1550,7 +1550,7 @@ enum { PHY_M_CABD_DIS_WAIT = 1<<15, /* Disable Waiting Period (Page 1) */ /* (88E1111 only) */ PHY_M_CABD_STAT_MSK = 3<<13, /* Bit 14..13: Status Mask */ - PHY_M_CABD_AMPL_MSK = 0x1f<<8,/* Bit 12.. 8: Amplitude Mask */ + PHY_M_CABD_AMPL_MSK = 0x1f<<8, /* Bit 12.. 8: Amplitude Mask */ /* (88E1111 only) */ PHY_M_CABD_DIST_MSK = 0xff, /* Bit 7.. 0: Distance Mask */ }; @@ -1605,9 +1605,9 @@ enum { /***** PHY_MARV_PHY_CTRL (page 3) 16 bit r/w LED Control Reg. *****/ enum { - PHY_M_LEDC_LOS_MSK = 0xf<<12,/* Bit 15..12: LOS LED Ctrl. Mask */ + PHY_M_LEDC_LOS_MSK = 0xf<<12, /* Bit 15..12: LOS LED Ctrl. Mask */ PHY_M_LEDC_INIT_MSK = 0xf<<8, /* Bit 11.. 8: INIT LED Ctrl. Mask */ - PHY_M_LEDC_STA1_MSK = 0xf<<4,/* Bit 7.. 4: STAT1 LED Ctrl. Mask */ + PHY_M_LEDC_STA1_MSK = 0xf<<4, /* Bit 7.. 4: STAT1 LED Ctrl. Mask */ PHY_M_LEDC_STA0_MSK = 0xf, /* Bit 3.. 0: STAT0 LED Ctrl. Mask */ }; @@ -1804,8 +1804,8 @@ enum { /* GM_SMI_CTRL 16 bit r/w SMI Control Register */ enum { - GM_SMI_CT_PHY_A_MSK = 0x1f<<11,/* Bit 15..11: PHY Device Address */ - GM_SMI_CT_REG_A_MSK = 0x1f<<6,/* Bit 10.. 6: PHY Register Address */ + GM_SMI_CT_PHY_A_MSK = 0x1f<<11, /* Bit 15..11: PHY Device Address */ + GM_SMI_CT_REG_A_MSK = 0x1f<<6, /* Bit 10.. 6: PHY Register Address */ GM_SMI_CT_OP_RD = 1<<5, /* Bit 5: OpCode Read (0=Write)*/ GM_SMI_CT_RD_VAL = 1<<4, /* Bit 4: Read Valid (Read completed) */ GM_SMI_CT_BUSY = 1<<3, /* Bit 3: Busy (Operation in progress) */ @@ -1875,9 +1875,9 @@ enum { /* TX_GMF_CTRL_T 32 bit Tx GMAC FIFO Control/Test */ enum { - GMF_WSP_TST_ON = 1<<18,/* Write Shadow Pointer Test On */ - GMF_WSP_TST_OFF = 1<<17,/* Write Shadow Pointer Test Off */ - GMF_WSP_STEP = 1<<16,/* Write Shadow Pointer Step/Increment */ + GMF_WSP_TST_ON = 1<<18, /* Write Shadow Pointer Test On */ + GMF_WSP_TST_OFF = 1<<17, /* Write Shadow Pointer Test Off */ + GMF_WSP_STEP = 1<<16, /* Write Shadow Pointer Step/Increment */ GMF_CLI_TX_FU = 1<<6, /* Clear IRQ Tx FIFO Underrun */ GMF_CLI_TX_FC = 1<<5, /* Clear IRQ Tx Frame Complete */ @@ -2111,18 +2111,18 @@ enum { /* XM_MMU_CMD 16 bit r/w MMU Command Register */ enum { - XM_MMU_PHY_RDY = 1<<12,/* Bit 12: PHY Read Ready */ - XM_MMU_PHY_BUSY = 1<<11,/* Bit 11: PHY Busy */ - XM_MMU_IGN_PF = 1<<10,/* Bit 10: Ignore Pause Frame */ - XM_MMU_MAC_LB = 1<<9, /* Bit 9: Enable MAC Loopback */ - XM_MMU_FRC_COL = 1<<7, /* Bit 7: Force Collision */ - XM_MMU_SIM_COL = 1<<6, /* Bit 6: Simulate Collision */ - XM_MMU_NO_PRE = 1<<5, /* Bit 5: No MDIO Preamble */ - XM_MMU_GMII_FD = 1<<4, /* Bit 4: GMII uses Full Duplex */ - XM_MMU_RAT_CTRL = 1<<3, /* Bit 3: Enable Rate Control */ - XM_MMU_GMII_LOOP= 1<<2, /* Bit 2: PHY is in Loopback Mode */ - XM_MMU_ENA_RX = 1<<1, /* Bit 1: Enable Receiver */ - XM_MMU_ENA_TX = 1<<0, /* Bit 0: Enable Transmitter */ + XM_MMU_PHY_RDY = 1<<12, /* Bit 12: PHY Read Ready */ + XM_MMU_PHY_BUSY = 1<<11, /* Bit 11: PHY Busy */ + XM_MMU_IGN_PF = 1<<10, /* Bit 10: Ignore Pause Frame */ + XM_MMU_MAC_LB = 1<<9, /* Bit 9: Enable MAC Loopback */ + XM_MMU_FRC_COL = 1<<7, /* Bit 7: Force Collision */ + XM_MMU_SIM_COL = 1<<6, /* Bit 6: Simulate Collision */ + XM_MMU_NO_PRE = 1<<5, /* Bit 5: No MDIO Preamble */ + XM_MMU_GMII_FD = 1<<4, /* Bit 4: GMII uses Full Duplex */ + XM_MMU_RAT_CTRL = 1<<3, /* Bit 3: Enable Rate Control */ + XM_MMU_GMII_LOOP= 1<<2, /* Bit 2: PHY is in Loopback Mode */ + XM_MMU_ENA_RX = 1<<1, /* Bit 1: Enable Receiver */ + XM_MMU_ENA_TX = 1<<0, /* Bit 0: Enable Transmitter */ }; @@ -2506,7 +2506,7 @@ static inline void skge_write8(const struct skge_hw *hw, int reg, u8 val) } /* MAC Related Registers inside the device. */ -#define SK_REG(port,reg) (((port)<<7)+(reg)) +#define SK_REG(port,reg) (((port)<<7)+(u16)(reg)) #define SK_XMAC_REG(port, reg) \ ((BASE_XMAC_1 + (port) * (BASE_XMAC_2 - BASE_XMAC_1)) | (reg) << 1) -- cgit v1.2.3 From 0efdf2626676db4b30d343ff88f8461ad09130da Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 5 Dec 2006 12:03:41 -0800 Subject: [PATCH] sky2: sparse warnings Get rid of sparse warnings in sky2 driver because of mixed enum usage. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/sky2.c | 18 ++++-------------- drivers/net/sky2.h | 53 +++++++++++++++++++++++++---------------------------- 2 files changed, 29 insertions(+), 42 deletions(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index a8e096393a4..fb1d2c30c1b 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -521,7 +521,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; /* turn off the Rx LED (LED_RX) */ - ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); + ledover &= ~PHY_M_LED_MO_RX; } if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) { @@ -544,7 +544,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { /* turn on 100 Mbps LED (LED_LINK100) */ - ledover |= PHY_M_LED_MO_100(MO_LED_ON); + ledover |= PHY_M_LED_MO_100; } if (ledover) @@ -2930,18 +2930,8 @@ static void sky2_led(struct sky2_hw *hw, unsigned port, int on) default: gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); - gm_phy_write(hw, port, PHY_MARV_LED_OVER, - on ? PHY_M_LED_MO_DUP(MO_LED_ON) | - PHY_M_LED_MO_10(MO_LED_ON) | - PHY_M_LED_MO_100(MO_LED_ON) | - PHY_M_LED_MO_1000(MO_LED_ON) | - PHY_M_LED_MO_RX(MO_LED_ON) - : PHY_M_LED_MO_DUP(MO_LED_OFF) | - PHY_M_LED_MO_10(MO_LED_OFF) | - PHY_M_LED_MO_100(MO_LED_OFF) | - PHY_M_LED_MO_1000(MO_LED_OFF) | - PHY_M_LED_MO_RX(MO_LED_OFF)); - + gm_phy_write(hw, port, PHY_MARV_LED_OVER, + on ? PHY_M_LED_ALL : 0); } } diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index a63f6057b2e..6ed1d47dbbd 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -608,7 +608,7 @@ enum { PHY_ADDR_MARV = 0, }; -#define RB_ADDR(offs, queue) (B16_RAM_REGS + (queue) + (offs)) +#define RB_ADDR(offs, queue) ((u16) B16_RAM_REGS + (queue) + (offs)) enum { @@ -1061,7 +1061,7 @@ enum { PHY_M_PC_EN_DET_PLUS = 3<<8, /* Energy Detect Plus (Mode 2) */ }; -#define PHY_M_PC_MDI_XMODE(x) (((x)<<5) & PHY_M_PC_MDIX_MSK) +#define PHY_M_PC_MDI_XMODE(x) (((u16)(x)<<5) & PHY_M_PC_MDIX_MSK) enum { PHY_M_PC_MAN_MDI = 0, /* 00 = Manual MDI configuration */ @@ -1157,13 +1157,13 @@ enum { PHY_M_EC_TX_TIM_CT = 1<<1, /* RGMII Tx Timing Control */ PHY_M_EC_TRANS_DIS = 1<<0, /* Transmitter Disable (88E1111 only) */}; -#define PHY_M_EC_M_DSC(x) ((x)<<10 & PHY_M_EC_M_DSC_MSK) +#define PHY_M_EC_M_DSC(x) ((u16)(x)<<10 & PHY_M_EC_M_DSC_MSK) /* 00=1x; 01=2x; 10=3x; 11=4x */ -#define PHY_M_EC_S_DSC(x) ((x)<<8 & PHY_M_EC_S_DSC_MSK) +#define PHY_M_EC_S_DSC(x) ((u16)(x)<<8 & PHY_M_EC_S_DSC_MSK) /* 00=dis; 01=1x; 10=2x; 11=3x */ -#define PHY_M_EC_DSC_2(x) ((x)<<9 & PHY_M_EC_M_DSC_MSK2) +#define PHY_M_EC_DSC_2(x) ((u16)(x)<<9 & PHY_M_EC_M_DSC_MSK2) /* 000=1x; 001=2x; 010=3x; 011=4x */ -#define PHY_M_EC_MAC_S(x) ((x)<<4 & PHY_M_EC_MAC_S_MSK) +#define PHY_M_EC_MAC_S(x) ((u16)(x)<<4 & PHY_M_EC_MAC_S_MSK) /* 01X=0; 110=2.5; 111=25 (MHz) */ /* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */ @@ -1174,7 +1174,7 @@ enum { }; /* !!! Errata in spec. (1 = disable) */ -#define PHY_M_PC_DSC(x) (((x)<<12) & PHY_M_PC_DSC_MSK) +#define PHY_M_PC_DSC(x) (((u16)(x)<<12) & PHY_M_PC_DSC_MSK) /* 100=5x; 101=6x; 110=7x; 111=8x */ enum { MAC_TX_CLK_0_MHZ = 2, @@ -1204,7 +1204,7 @@ enum { PHY_M_LEDC_TX_C_MSB = 1<<0, /* Tx Control (MSB, 88E1111 only) */ }; -#define PHY_M_LED_PULS_DUR(x) (((x)<<12) & PHY_M_LEDC_PULS_MSK) +#define PHY_M_LED_PULS_DUR(x) (((u16)(x)<<12) & PHY_M_LEDC_PULS_MSK) /***** PHY_MARV_PHY_STAT (page 3)16 bit r/w Polarity Control Reg. *****/ enum { @@ -1234,7 +1234,7 @@ enum { PULS_1300MS = 7,/* 1.3 s to 2.7 s */ }; -#define PHY_M_LED_BLINK_RT(x) (((x)<<8) & PHY_M_LEDC_BL_R_MSK) +#define PHY_M_LED_BLINK_RT(x) (((u16)(x)<<8) & PHY_M_LEDC_BL_R_MSK) enum { BLINK_42MS = 0,/* 42 ms */ @@ -1244,21 +1244,18 @@ enum { BLINK_670MS = 4,/* 670 ms */ }; -/***** PHY_MARV_LED_OVER 16 bit r/w Manual LED Override Reg *****/ -#define PHY_M_LED_MO_SGMII(x) ((x)<<14) /* Bit 15..14: SGMII AN Timer */ - /* Bit 13..12: reserved */ -#define PHY_M_LED_MO_DUP(x) ((x)<<10) /* Bit 11..10: Duplex */ -#define PHY_M_LED_MO_10(x) ((x)<<8) /* Bit 9.. 8: Link 10 */ -#define PHY_M_LED_MO_100(x) ((x)<<6) /* Bit 7.. 6: Link 100 */ -#define PHY_M_LED_MO_1000(x) ((x)<<4) /* Bit 5.. 4: Link 1000 */ -#define PHY_M_LED_MO_RX(x) ((x)<<2) /* Bit 3.. 2: Rx */ -#define PHY_M_LED_MO_TX(x) ((x)<<0) /* Bit 1.. 0: Tx */ - +/**** PHY_MARV_LED_OVER 16 bit r/w LED control */ enum { - MO_LED_NORM = 0, - MO_LED_BLINK = 1, - MO_LED_OFF = 2, - MO_LED_ON = 3, + PHY_M_LED_MO_DUP = 3<<10,/* Bit 11..10: Duplex */ + PHY_M_LED_MO_10 = 3<<8, /* Bit 9.. 8: Link 10 */ + PHY_M_LED_MO_100 = 3<<6, /* Bit 7.. 6: Link 100 */ + PHY_M_LED_MO_1000 = 3<<4, /* Bit 5.. 4: Link 1000 */ + PHY_M_LED_MO_RX = 3<<2, /* Bit 3.. 2: Rx */ + PHY_M_LED_MO_TX = 3<<0, /* Bit 1.. 0: Tx */ + + PHY_M_LED_ALL = PHY_M_LED_MO_DUP | PHY_M_LED_MO_10 + | PHY_M_LED_MO_100 | PHY_M_LED_MO_1000 + | PHY_M_LED_MO_RX, }; /***** PHY_MARV_EXT_CTRL_2 16 bit r/w Ext. PHY Specific Ctrl 2 *****/ @@ -1295,9 +1292,9 @@ enum { PHY_M_FELP_LED0_MSK = 0xf, /* Bit 3.. 0: LED0 Mask (SPEED) */ }; -#define PHY_M_FELP_LED2_CTRL(x) (((x)<<8) & PHY_M_FELP_LED2_MSK) -#define PHY_M_FELP_LED1_CTRL(x) (((x)<<4) & PHY_M_FELP_LED1_MSK) -#define PHY_M_FELP_LED0_CTRL(x) (((x)<<0) & PHY_M_FELP_LED0_MSK) +#define PHY_M_FELP_LED2_CTRL(x) (((u16)(x)<<8) & PHY_M_FELP_LED2_MSK) +#define PHY_M_FELP_LED1_CTRL(x) (((u16)(x)<<4) & PHY_M_FELP_LED1_MSK) +#define PHY_M_FELP_LED0_CTRL(x) (((u16)(x)<<0) & PHY_M_FELP_LED0_MSK) enum { LED_PAR_CTRL_COLX = 0x00, @@ -1553,8 +1550,8 @@ enum { GM_SMI_CT_BUSY = 1<<3, /* Bit 3: Busy (Operation in progress) */ }; -#define GM_SMI_CT_PHY_AD(x) (((x)<<11) & GM_SMI_CT_PHY_A_MSK) -#define GM_SMI_CT_REG_AD(x) (((x)<<6) & GM_SMI_CT_REG_A_MSK) +#define GM_SMI_CT_PHY_AD(x) (((u16)(x)<<11) & GM_SMI_CT_PHY_A_MSK) +#define GM_SMI_CT_REG_AD(x) (((u16)(x)<<6) & GM_SMI_CT_REG_A_MSK) /* GM_PHY_ADDR 16 bit r/w GPHY Address Register */ enum { -- cgit v1.2.3 From 0bfdcc88df969af8de087d0fdddf8c0efa76b4b0 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 7 Dec 2006 06:30:07 -0500 Subject: [netdrvr] netxen: workqueue-related build fixes --- drivers/net/netxen/netxen_nic_init.c | 3 +-- drivers/net/netxen/netxen_nic_main.c | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 290145ec08e..869725f0bb1 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -1023,8 +1023,7 @@ int netxen_process_cmd_ring(unsigned long data) && netif_carrier_ok(port->netdev)) && ((jiffies - port->netdev->trans_start) > port->netdev->watchdog_timeo)) { - SCHEDULE_WORK(port->adapter->tx_timeout_task - + port->portnum); + SCHEDULE_WORK(&port->adapter->tx_timeout_task); } last_consumer = get_next_index(last_consumer, diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 913e8147114..575b71b6720 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -969,7 +969,7 @@ static void netxen_tx_timeout(struct net_device *netdev) { struct netxen_port *port = (struct netxen_port *)netdev_priv(netdev); - SCHEDULE_WORK(port->adapter->tx_timeout_task + port->portnum); + SCHEDULE_WORK(&port->adapter->tx_timeout_task); } static void netxen_tx_timeout_task(struct work_struct *work) -- cgit v1.2.3 From 0ae851352a87db3f829511816a2da227860bf585 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 7 Dec 2006 06:30:30 -0500 Subject: [wireless] zd1211rw: workqueue-related build fixes Signed-off-by: Jeff Garzik --- drivers/net/wireless/zd1211rw/zd_mac.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 61c7916b765..00ca704ece3 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -39,7 +39,7 @@ static void housekeeping_init(struct zd_mac *mac); static void housekeeping_enable(struct zd_mac *mac); static void housekeeping_disable(struct zd_mac *mac); -static void set_multicast_hash_handler(void *mac_ptr); +static void set_multicast_hash_handler(struct work_struct *work); int zd_mac_init(struct zd_mac *mac, struct net_device *netdev, @@ -57,8 +57,7 @@ int zd_mac_init(struct zd_mac *mac, softmac_init(ieee80211_priv(netdev)); zd_chip_init(&mac->chip, netdev, intf); housekeeping_init(mac); - INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler, - mac); + INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler); return 0; } @@ -261,9 +260,10 @@ int zd_mac_set_mac_address(struct net_device *netdev, void *p) return 0; } -static void set_multicast_hash_handler(void *mac_ptr) +static void set_multicast_hash_handler(struct work_struct *work) { - struct zd_mac *mac = mac_ptr; + struct zd_mac *mac = container_of(work, struct zd_mac, + set_multicast_hash_work); struct zd_mc_hash hash; spin_lock_irq(&mac->lock); -- cgit v1.2.3 From d324d4627d7442d9a74b0b93fc40f71ce194632a Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Wed, 6 Dec 2006 09:55:43 +0100 Subject: [PATCH] sata_promise: cleanups, take 2 This patch performs two simple cleanups of sata_promise. * Remove board_20771 and map device id 0x3577 to board_2057x. After the recent corrections for SATAII chips, board_20771 and board_2057x were equivalent in the driver. * Remove hp->hotplug_offset and use hp->flags & PDC_FLAG_GEN_II to compute hotplug_offset in pdc_host_init(). hp->hotplug_offset was used to distinguish 1st and 2nd generation chips in one particular case, but now we have that information in a more general form in hp->flags, so hp->hotplug_offset is redundant. Changes since previous submission: rebased on libata-dev #upstream, cleaned up hotplug_offset computation based on Tejun's comments, expanded hotplug_offset removal rationale. This patch does not depend on the pending new EH conversion patch. Signed-off-by: Mikael Pettersson Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 40 +++++++++------------------------------- 1 file changed, 9 insertions(+), 31 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index a2778cf016b..6f7bc5b0ef4 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -66,9 +66,8 @@ enum { board_2037x = 0, /* FastTrak S150 TX2plus */ board_20319 = 1, /* FastTrak S150 TX4 */ board_20619 = 2, /* FastTrak TX4000 */ - board_20771 = 3, /* FastTrak TX2300 */ - board_2057x = 4, /* SATAII150 Tx2plus */ - board_40518 = 5, /* SATAII150 Tx4 */ + board_2057x = 3, /* SATAII150 Tx2plus */ + board_40518 = 4, /* SATAII150 Tx4 */ PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ @@ -90,7 +89,6 @@ struct pdc_port_priv { struct pdc_host_priv { unsigned long flags; - int hotplug_offset; }; static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg); @@ -205,16 +203,6 @@ static const struct ata_port_info pdc_port_info[] = { .port_ops = &pdc_pata_ops, }, - /* board_20771 */ - { - .sht = &pdc_ata_sht, - .flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA, - .pio_mask = 0x1f, /* pio0-4 */ - .mwdma_mask = 0x07, /* mwdma0-2 */ - .udma_mask = 0x7f, /* udma0-6 ; FIXME */ - .port_ops = &pdc_sata_ops, - }, - /* board_2057x */ { .sht = &pdc_ata_sht, @@ -244,6 +232,7 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = { { PCI_VDEVICE(PROMISE, 0x3570), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3571), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3574), board_2057x }, + { PCI_VDEVICE(PROMISE, 0x3577), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3d73), board_2057x }, { PCI_VDEVICE(PROMISE, 0x3d75), board_2057x }, @@ -256,15 +245,6 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = { { PCI_VDEVICE(PROMISE, 0x6629), board_20619 }, -/* TODO: remove all associated board_20771 code, as it completely - * duplicates board_2037x code, unless reason for separation can be - * divined. - */ -#if 0 - { PCI_VDEVICE(PROMISE, 0x3570), board_20771 }, -#endif - { PCI_VDEVICE(PROMISE, 0x3577), board_20771 }, - { } /* terminate list */ }; @@ -645,9 +625,14 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe) { void __iomem *mmio = pe->mmio_base; struct pdc_host_priv *hp = pe->private_data; - int hotplug_offset = hp->hotplug_offset; + int hotplug_offset; u32 tmp; + if (hp->flags & PDC_FLAG_GEN_II) + hotplug_offset = PDC2_SATA_PLUG_CSR; + else + hotplug_offset = PDC_SATA_PLUG_CSR; + /* * Except for the hotplug stuff, this is voodoo from the * Promise driver. Label this entire section @@ -742,8 +727,6 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e goto err_out_free_ent; } - /* Set default hotplug offset */ - hp->hotplug_offset = PDC_SATA_PLUG_CSR; probe_ent->private_data = hp; probe_ent->sht = pdc_port_info[board_idx].sht; @@ -767,8 +750,6 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e switch (board_idx) { case board_40518: hp->flags |= PDC_FLAG_GEN_II; - /* Override hotplug offset for SATAII150 */ - hp->hotplug_offset = PDC2_SATA_PLUG_CSR; /* Fall through */ case board_20319: probe_ent->n_ports = 4; @@ -780,10 +761,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e probe_ent->port[3].scr_addr = base + 0x700; break; case board_2057x: - case board_20771: hp->flags |= PDC_FLAG_GEN_II; - /* Override hotplug offset for SATAII150 */ - hp->hotplug_offset = PDC2_SATA_PLUG_CSR; /* Fall through */ case board_2037x: probe_ent->n_ports = 2; -- cgit v1.2.3 From e3472cbe5c10a91c737405cd706142787736392c Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Thu, 7 Dec 2006 11:37:58 +0800 Subject: [PATCH] libata: let ATA_FLAG_PIO_POLLING use polling pio for ATA_PROT_NODATA Even if ATA_FLAG_PIO_POLLING is set, libata uses irq pio for the ATA_PROT_NODATA protocol. This patch let ATA_FLAG_PIO_POLLING use polling pio for the ATA_PROT_NODATA protocol. Signed-off-by: Albert Lee Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8816e30fb7a..d2e68637187 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4960,6 +4960,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) if (ap->flags & ATA_FLAG_PIO_POLLING) { switch (qc->tf.protocol) { case ATA_PROT_PIO: + case ATA_PROT_NODATA: case ATA_PROT_ATAPI: case ATA_PROT_ATAPI_NODATA: qc->tf.flags |= ATA_TFLAG_POLLING; -- cgit v1.2.3 From 25b93d81b9abe3b786bdf3396d728bb13b0a911c Mon Sep 17 00:00:00 2001 From: Mikael Pettersson Date: Thu, 7 Dec 2006 00:06:51 +0100 Subject: [PATCH] sata_promise: new EH conversion, take 2 This patch converts sata_promise to use new-style libata error handling on Promise SATA chips, for both SATA and PATA ports. * ATA_FLAG_SRST is no longer set * ->phy_reset is no longer set as it is unused when ->error_handler is present, and pdc_sata_phy_reset() has been removed * pdc_freeze() masks interrupts and halts DMA via PDC_CTLSTAT * pdc_thaw() clears interrupt status in PDC_INT_SEQMASK and then unmasks interrupts in PDC_CTLSTAT * pdc_error_handler() reinitialises the port if it isn't frozen, and then invokes ata_do_eh() with standard {s,}ata reset methods * pdc_post_internal_cmd() resets the port in case of errors * the PATA-only 20619 chip continues to use old-style EH: not by necessity but simply because I don't have documentation for it or any way to test it Since the previous version pdc_error_handler() has been rewritten and it now mostly matches ahci and sata_sil24. In case anyone wonders: the call to pdc_reset_port() isn't a heavy-duty reset, it's a light-weight reset to quickly put a port into a sane state. The discussion about the PCI flushes in pdc_freeze() and pdc_thaw() seemed to end with a consensus that the flushes are OK and not obviously redundant, so I decided to keep them for now. This patch was prepared against 2.6.19-git7, but it also applies to 2.6.19 + libata #upstream, with or without the revised sata_promise cleanup patch I recently submitted. This patch does conflict with the #promise-sata-pata patch: this patch removes pdc_sata_phy_reset() while #promise-sata-pata modifies it. The correct patch resolution is to remove the function. Tested on 2037x and 2057x chips, with PATA patches on top and disks on both SATA and PATA ports. Signed-off-by: Mikael Pettersson Signed-off-by: Jeff Garzik --- drivers/ata/sata_promise.c | 80 +++++++++++++++++++++++++++++++++++++++------- 1 file changed, 68 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 6f7bc5b0ef4..f055874a6ec 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -71,9 +71,12 @@ enum { PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ + /* PDC_CTLSTAT bit definitions */ + PDC_DMA_ENABLE = (1 << 7), + PDC_IRQ_DISABLE = (1 << 10), PDC_RESET = (1 << 11), /* HDMA reset */ - PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST | + PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING, @@ -99,13 +102,16 @@ static void pdc_eng_timeout(struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); static void pdc_port_stop(struct ata_port *ap); static void pdc_pata_phy_reset(struct ata_port *ap); -static void pdc_sata_phy_reset(struct ata_port *ap); static void pdc_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf); static void pdc_irq_clear(struct ata_port *ap); static unsigned int pdc_qc_issue_prot(struct ata_queued_cmd *qc); static void pdc_host_stop(struct ata_host *host); +static void pdc_freeze(struct ata_port *ap); +static void pdc_thaw(struct ata_port *ap); +static void pdc_error_handler(struct ata_port *ap); +static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); static struct scsi_host_template pdc_ata_sht = { @@ -134,11 +140,12 @@ static const struct ata_port_operations pdc_sata_ops = { .exec_command = pdc_exec_command_mmio, .dev_select = ata_std_dev_select, - .phy_reset = pdc_sata_phy_reset, - .qc_prep = pdc_qc_prep, .qc_issue = pdc_qc_issue_prot, - .eng_timeout = pdc_eng_timeout, + .freeze = pdc_freeze, + .thaw = pdc_thaw, + .error_handler = pdc_error_handler, + .post_internal_cmd = pdc_post_internal_cmd, .data_xfer = ata_mmio_data_xfer, .irq_handler = pdc_interrupt, .irq_clear = pdc_irq_clear, @@ -196,7 +203,7 @@ static const struct ata_port_info pdc_port_info[] = { /* board_20619 */ { .sht = &pdc_ata_sht, - .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS, + .flags = PDC_COMMON_FLAGS | ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x7f, /* udma0-6 ; FIXME */ @@ -346,12 +353,6 @@ static void pdc_reset_port(struct ata_port *ap) readl(mmio); /* flush */ } -static void pdc_sata_phy_reset(struct ata_port *ap) -{ - pdc_reset_port(ap); - sata_phy_reset(ap); -} - static void pdc_pata_cbl_detect(struct ata_port *ap) { u8 tmp; @@ -419,6 +420,61 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc) } } +static void pdc_freeze(struct ata_port *ap) +{ + void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; + u32 tmp; + + tmp = readl(mmio + PDC_CTLSTAT); + tmp |= PDC_IRQ_DISABLE; + tmp &= ~PDC_DMA_ENABLE; + writel(tmp, mmio + PDC_CTLSTAT); + readl(mmio + PDC_CTLSTAT); /* flush */ +} + +static void pdc_thaw(struct ata_port *ap) +{ + void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr; + u32 tmp; + + /* clear IRQ */ + readl(mmio + PDC_INT_SEQMASK); + + /* turn IRQ back on */ + tmp = readl(mmio + PDC_CTLSTAT); + tmp &= ~PDC_IRQ_DISABLE; + writel(tmp, mmio + PDC_CTLSTAT); + readl(mmio + PDC_CTLSTAT); /* flush */ +} + +static void pdc_error_handler(struct ata_port *ap) +{ + ata_reset_fn_t hardreset; + + if (!(ap->pflags & ATA_PFLAG_FROZEN)) + pdc_reset_port(ap); + + hardreset = NULL; + if (sata_scr_valid(ap)) + hardreset = sata_std_hardreset; + + /* perform recovery */ + ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset, + ata_std_postreset); +} + +static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + + if (qc->flags & ATA_QCFLAG_FAILED) + qc->err_mask |= AC_ERR_OTHER; + + /* make DMA engine forget about the failed command */ + if (qc->err_mask) + pdc_reset_port(ap); +} + static void pdc_eng_timeout(struct ata_port *ap) { struct ata_host *host = ap->host; -- cgit v1.2.3 From fd3367af3d1212f645094c4b5c4d458bdd061475 Mon Sep 17 00:00:00 2001 From: Alan Date: Thu, 7 Dec 2006 12:41:18 +0000 Subject: [PATCH] libata: Incorrect timing computation for PIO5/6 The ata timing computation code makes some mistakes in PIO5/6 because a check was not updated correctly when I put this support into the kernel. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/ata/libata-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d2e68637187..011c0a8a2dc 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2303,7 +2303,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, * DMA cycle timing is slower/equal than the fastest PIO timing. */ - if (speed > XFER_PIO_4) { + if (speed > XFER_PIO_6) { ata_timing_compute(adev, adev->pio_mode, &p, T, UT); ata_timing_merge(&p, t, t, ATA_TIMING_ALL); } -- cgit v1.2.3 From a1e85378ba50694cf8f27b190c7e16d7c8dad276 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 6 Dec 2006 20:31:33 -0800 Subject: [PATCH] drm-sis linkage fix Fix http://bugzilla.kernel.org/show_bug.cgi?id=7606 WARNING: "drm_sman_set_manager" [drivers/char/drm/sis.ko] undefined! Cc: Cc: Dave Airlie Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/drm/drm_sman.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/drm/drm_sman.c b/drivers/char/drm/drm_sman.c index 425c82336ee..19c81d2e13d 100644 --- a/drivers/char/drm/drm_sman.c +++ b/drivers/char/drm/drm_sman.c @@ -162,6 +162,7 @@ drm_sman_set_manager(drm_sman_t * sman, unsigned int manager, return 0; } +EXPORT_SYMBOL(drm_sman_set_manager); static drm_owner_item_t *drm_sman_get_owner_item(drm_sman_t * sman, unsigned long owner) -- cgit v1.2.3 From cd54e7e54318d333227b13186f9a464bf1f68d27 Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Wed, 6 Dec 2006 20:31:53 -0800 Subject: [PATCH] mm: incorrect VM_FAULT_OOM returns from drivers Some drivers are returning OOM when it is not in response to a memory shortage. Signed-off-by: Nick Piggin Cc: Dave Airlie Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/drm/drm_vm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index b40ae438f53..ae2691942dd 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -147,14 +147,14 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ if (!map) - return NOPAGE_OOM; /* Nothing allocated */ + return NOPAGE_SIGBUS; /* Nothing allocated */ offset = address - vma->vm_start; i = (unsigned long)map->handle + offset; page = (map->type == _DRM_CONSISTENT) ? virt_to_page((void *)i) : vmalloc_to_page((void *)i); if (!page) - return NOPAGE_OOM; + return NOPAGE_SIGBUS; get_page(page); DRM_DEBUG("shm_nopage 0x%lx\n", address); @@ -272,7 +272,7 @@ static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ if (!dma->pagelist) - return NOPAGE_OOM; /* Nothing allocated */ + return NOPAGE_SIGBUS; /* Nothing allocated */ offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ page_nr = offset >> PAGE_SHIFT; @@ -310,7 +310,7 @@ static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma, if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ if (!entry->pagelist) - return NOPAGE_OOM; /* Nothing allocated */ + return NOPAGE_SIGBUS; /* Nothing allocated */ offset = address - vma->vm_start; map_offset = map->offset - (unsigned long)dev->sg->virtual; -- cgit v1.2.3 From 873481367edb18a7d0d7e5a285e6728c16bb44a9 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 6 Dec 2006 20:32:33 -0800 Subject: [PATCH] add numa node information to struct device For node-aware skb allocations we need information about the node in struct net_device or struct device. Davem suggested to put it into struct device which this patch does. In particular: - struct device gets a new int numa_node member if CONFIG_NUMA is set - there are two new helpers, dev_to_node and set_dev_node to transparently deal with the non-numa case - for pci devices the node-info is set to the value we get from pcibus_to_node. Note that for some architectures pcibus_to_node doesn't work yet at the time we call it currently. This is harmless and will just mean skb allocations aren't node-local on this architectures until the implementation of pcibus_to_node on these architectures have been updated (There are patches for x86 and x86_64 floating around) [akpm@osdl.org: cleanup] Signed-off-by: Christoph Hellwig Cc: Christoph Lameter Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/core.c | 1 + drivers/pci/probe.c | 1 + 2 files changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/base/core.c b/drivers/base/core.c index e4b530ef757..67b79a7592a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -386,6 +386,7 @@ void device_initialize(struct device *dev) INIT_LIST_HEAD(&dev->node); init_MUTEX(&dev->sem); device_init_wakeup(dev, 0); + set_dev_node(dev, -1); } #ifdef CONFIG_SYSFS_DEPRECATED diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 0eeac60042b..6a3c1e72890 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -873,6 +873,7 @@ void __devinit pci_device_add(struct pci_dev *dev, struct pci_bus *bus) dev->dev.release = pci_release_dev; pci_dev_get(dev); + set_dev_node(&dev->dev, pcibus_to_node(bus)); dev->dev.dma_mask = &dev->dma_mask; dev->dev.coherent_dma_mask = 0xffffffffull; -- cgit v1.2.3 From 55acbda0965ca0a29b0ca276e7d17a55edc11d1b Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:13 -0800 Subject: [PATCH] slab: remove SLAB_NOIO SLAB_NOIO is an alias of GFP_NOIO with a single instance of use. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/usb/storage/transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 47644b5b615..323293a3e61 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -427,7 +427,7 @@ static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe, US_DEBUGP("%s: xfer %u bytes, %d entries\n", __FUNCTION__, length, num_sg); result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0, - sg, num_sg, length, SLAB_NOIO); + sg, num_sg, length, GFP_NOIO); if (result) { US_DEBUGP("usb_sg_init returned %d\n", result); return USB_STOR_XFER_ERROR; -- cgit v1.2.3 From 54e6ecb23951b195d02433a741c7f7cb0b796c78 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:16 -0800 Subject: [PATCH] slab: remove SLAB_ATOMIC SLAB_ATOMIC is an alias of GFP_ATOMIC Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/atm/he.c | 2 +- drivers/base/dmapool.c | 2 +- drivers/block/DAC960.c | 4 ++-- drivers/char/watchdog/pcwd_usb.c | 2 +- drivers/ieee1394/raw1394.c | 30 +++++++++++++++--------------- drivers/infiniband/hw/amso1100/c2_vq.c | 2 +- drivers/infiniband/hw/mthca/mthca_av.c | 2 +- drivers/isdn/gigaset/bas-gigaset.c | 20 ++++++++++---------- drivers/isdn/gigaset/usb-gigaset.c | 6 +++--- drivers/media/dvb/dvb-usb/usb-urb.c | 2 +- drivers/media/dvb/ttusb-dec/ttusb_dec.c | 2 +- drivers/s390/scsi/zfcp_fsf.c | 2 +- drivers/usb/core/hub.c | 2 +- drivers/usb/core/message.c | 2 +- drivers/usb/host/ehci-dbg.c | 2 +- drivers/usb/host/hc_crisv10.c | 10 +++++----- drivers/usb/host/ohci-dbg.c | 2 +- drivers/usb/host/uhci-q.c | 2 +- drivers/usb/input/aiptek.c | 2 +- drivers/usb/input/ati_remote.c | 6 +++--- drivers/usb/input/hid-core.c | 10 +++++----- drivers/usb/input/keyspan_remote.c | 2 +- drivers/usb/input/mtouchusb.c | 2 +- drivers/usb/input/powermate.c | 4 ++-- drivers/usb/input/touchkitusb.c | 2 +- drivers/usb/input/usbkbd.c | 8 ++++---- drivers/usb/input/usbmouse.c | 4 ++-- drivers/usb/input/xpad.c | 2 +- drivers/usb/input/yealink.c | 6 +++--- drivers/usb/misc/phidgetkit.c | 4 ++-- drivers/usb/misc/phidgetmotorcontrol.c | 4 ++-- drivers/usb/misc/usbtest.c | 8 ++++---- drivers/usb/mon/mon_text.c | 4 ++-- drivers/usb/net/catc.c | 2 +- drivers/usb/net/net1080.c | 2 +- drivers/usb/net/pegasus.c | 2 +- drivers/usb/net/rtl8150.c | 2 +- drivers/usb/serial/mos7720.c | 2 +- drivers/usb/serial/mos7840.c | 4 ++-- drivers/usb/storage/onetouch.c | 4 ++-- 40 files changed, 91 insertions(+), 91 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/he.c b/drivers/atm/he.c index c7314a79da0..2a2f0fc2288 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -1724,7 +1724,7 @@ __alloc_tpd(struct he_dev *he_dev) struct he_tpd *tpd; dma_addr_t dma_handle; - tpd = pci_pool_alloc(he_dev->tpd_pool, SLAB_ATOMIC|SLAB_DMA, &dma_handle); + tpd = pci_pool_alloc(he_dev->tpd_pool, GFP_ATOMIC|SLAB_DMA, &dma_handle); if (tpd == NULL) return NULL; diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index b2efbd4cf71..fa4675254f6 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -297,7 +297,7 @@ restart: } } } - if (!(page = pool_alloc_page (pool, SLAB_ATOMIC))) { + if (!(page = pool_alloc_page (pool, GFP_ATOMIC))) { if (mem_flags & __GFP_WAIT) { DECLARE_WAITQUEUE (wait, current); diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 742d0740310..8d81a3a64c0 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -324,13 +324,13 @@ static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) Command->Next = Controller->FreeCommands; Controller->FreeCommands = Command; Controller->Commands[CommandIdentifier-1] = Command; - ScatterGatherCPU = pci_pool_alloc(ScatterGatherPool, SLAB_ATOMIC, + ScatterGatherCPU = pci_pool_alloc(ScatterGatherPool, GFP_ATOMIC, &ScatterGatherDMA); if (ScatterGatherCPU == NULL) return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION"); if (RequestSensePool != NULL) { - RequestSenseCPU = pci_pool_alloc(RequestSensePool, SLAB_ATOMIC, + RequestSenseCPU = pci_pool_alloc(RequestSensePool, GFP_ATOMIC, &RequestSenseDMA); if (RequestSenseCPU == NULL) { pci_pool_free(ScatterGatherPool, ScatterGatherCPU, diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index e275dd4a705..61138726b50 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -634,7 +634,7 @@ static int usb_pcwd_probe(struct usb_interface *interface, const struct usb_devi usb_pcwd->intr_size = (le16_to_cpu(endpoint->wMaxPacketSize) > 8 ? le16_to_cpu(endpoint->wMaxPacketSize) : 8); /* set up the memory buffer's */ - if (!(usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size, SLAB_ATOMIC, &usb_pcwd->intr_dma))) { + if (!(usb_pcwd->intr_buffer = usb_buffer_alloc(udev, usb_pcwd->intr_size, GFP_ATOMIC, &usb_pcwd->intr_dma))) { printk(KERN_ERR PFX "Out of memory\n"); goto error; } diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 5ec4f5eb6b1..47f6a4e29b4 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -259,7 +259,7 @@ static void host_reset(struct hpsb_host *host) if (hi != NULL) { list_for_each_entry(fi, &hi->file_info_list, list) { if (fi->notification == RAW1394_NOTIFY_ON) { - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (req != NULL) { req->file_info = fi; @@ -306,13 +306,13 @@ static void iso_receive(struct hpsb_host *host, int channel, quadlet_t * data, if (!(fi->listen_channels & (1ULL << channel))) continue; - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) break; if (!ibs) { ibs = kmalloc(sizeof(*ibs) + length, - SLAB_ATOMIC); + GFP_ATOMIC); if (!ibs) { kfree(req); break; @@ -367,13 +367,13 @@ static void fcp_request(struct hpsb_host *host, int nodeid, int direction, if (!fi->fcp_buffer) continue; - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) break; if (!ibs) { ibs = kmalloc(sizeof(*ibs) + length, - SLAB_ATOMIC); + GFP_ATOMIC); if (!ibs) { kfree(req); break; @@ -593,7 +593,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req) switch (req->req.type) { case RAW1394_REQ_LIST_CARDS: spin_lock_irqsave(&host_info_lock, flags); - khl = kmalloc(sizeof(*khl) * host_count, SLAB_ATOMIC); + khl = kmalloc(sizeof(*khl) * host_count, GFP_ATOMIC); if (khl) { req->req.misc = host_count; @@ -1045,7 +1045,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer, } if (arm_addr->notification_options & ARM_READ) { DBGMSG("arm_read -> entering notification-section"); - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) { DBGMSG("arm_read -> rcode_conflict_error"); spin_unlock_irqrestore(&host_info_lock, irqflags); @@ -1064,7 +1064,7 @@ static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer, sizeof(struct arm_response) + sizeof(struct arm_request_response); } - req->data = kmalloc(size, SLAB_ATOMIC); + req->data = kmalloc(size, GFP_ATOMIC); if (!(req->data)) { free_pending_request(req); DBGMSG("arm_read -> rcode_conflict_error"); @@ -1198,7 +1198,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid, } if (arm_addr->notification_options & ARM_WRITE) { DBGMSG("arm_write -> entering notification-section"); - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) { DBGMSG("arm_write -> rcode_conflict_error"); spin_unlock_irqrestore(&host_info_lock, irqflags); @@ -1209,7 +1209,7 @@ static int arm_write(struct hpsb_host *host, int nodeid, int destid, sizeof(struct arm_request) + sizeof(struct arm_response) + (length) * sizeof(byte_t) + sizeof(struct arm_request_response); - req->data = kmalloc(size, SLAB_ATOMIC); + req->data = kmalloc(size, GFP_ATOMIC); if (!(req->data)) { free_pending_request(req); DBGMSG("arm_write -> rcode_conflict_error"); @@ -1400,7 +1400,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store, if (arm_addr->notification_options & ARM_LOCK) { byte_t *buf1, *buf2; DBGMSG("arm_lock -> entering notification-section"); - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) { DBGMSG("arm_lock -> rcode_conflict_error"); spin_unlock_irqrestore(&host_info_lock, irqflags); @@ -1408,7 +1408,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store, The request may be retried */ } size = sizeof(struct arm_request) + sizeof(struct arm_response) + 3 * sizeof(*store) + sizeof(struct arm_request_response); /* maximum */ - req->data = kmalloc(size, SLAB_ATOMIC); + req->data = kmalloc(size, GFP_ATOMIC); if (!(req->data)) { free_pending_request(req); DBGMSG("arm_lock -> rcode_conflict_error"); @@ -1628,7 +1628,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store, if (arm_addr->notification_options & ARM_LOCK) { byte_t *buf1, *buf2; DBGMSG("arm_lock64 -> entering notification-section"); - req = __alloc_pending_request(SLAB_ATOMIC); + req = __alloc_pending_request(GFP_ATOMIC); if (!req) { spin_unlock_irqrestore(&host_info_lock, irqflags); DBGMSG("arm_lock64 -> rcode_conflict_error"); @@ -1636,7 +1636,7 @@ static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store, The request may be retried */ } size = sizeof(struct arm_request) + sizeof(struct arm_response) + 3 * sizeof(*store) + sizeof(struct arm_request_response); /* maximum */ - req->data = kmalloc(size, SLAB_ATOMIC); + req->data = kmalloc(size, GFP_ATOMIC); if (!(req->data)) { free_pending_request(req); spin_unlock_irqrestore(&host_info_lock, irqflags); @@ -2443,7 +2443,7 @@ static void queue_rawiso_event(struct file_info *fi) /* only one ISO activity event may be in the queue */ if (!__rawiso_event_in_queue(fi)) { struct pending_request *req = - __alloc_pending_request(SLAB_ATOMIC); + __alloc_pending_request(GFP_ATOMIC); if (req) { req->file_info = fi; diff --git a/drivers/infiniband/hw/amso1100/c2_vq.c b/drivers/infiniband/hw/amso1100/c2_vq.c index 40caeb5f41b..36620a22413 100644 --- a/drivers/infiniband/hw/amso1100/c2_vq.c +++ b/drivers/infiniband/hw/amso1100/c2_vq.c @@ -164,7 +164,7 @@ void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *r) */ void *vq_repbuf_alloc(struct c2_dev *c2dev) { - return kmem_cache_alloc(c2dev->host_msg_cache, SLAB_ATOMIC); + return kmem_cache_alloc(c2dev->host_msg_cache, GFP_ATOMIC); } /* diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c index 57cdc1bc5f5..27caf3b0648 100644 --- a/drivers/infiniband/hw/mthca/mthca_av.c +++ b/drivers/infiniband/hw/mthca/mthca_av.c @@ -189,7 +189,7 @@ int mthca_create_ah(struct mthca_dev *dev, on_hca_fail: if (ah->type == MTHCA_AH_PCI_POOL) { ah->av = pci_pool_alloc(dev->av_table.pool, - SLAB_ATOMIC, &ah->avdma); + GFP_ATOMIC, &ah->avdma); if (!ah->av) return -ENOMEM; diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 0c937325a1b..5857e7e23f8 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -572,7 +572,7 @@ static int atread_submit(struct cardstate *cs, int timeout) ucs->rcvbuf, ucs->rcvbuf_size, read_ctrl_callback, cs->inbuf); - if ((ret = usb_submit_urb(ucs->urb_cmd_in, SLAB_ATOMIC)) != 0) { + if ((ret = usb_submit_urb(ucs->urb_cmd_in, GFP_ATOMIC)) != 0) { update_basstate(ucs, 0, BS_ATRDPEND); dev_err(cs->dev, "could not submit HD_READ_ATMESSAGE: %s\n", get_usb_rcmsg(ret)); @@ -747,7 +747,7 @@ static void read_int_callback(struct urb *urb) check_pending(ucs); resubmit: - rc = usb_submit_urb(urb, SLAB_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); if (unlikely(rc != 0 && rc != -ENODEV)) { dev_err(cs->dev, "could not resubmit interrupt URB: %s\n", get_usb_rcmsg(rc)); @@ -807,7 +807,7 @@ static void read_iso_callback(struct urb *urb) urb->number_of_packets = BAS_NUMFRAMES; gig_dbg(DEBUG_ISO, "%s: isoc read overrun/resubmit", __func__); - rc = usb_submit_urb(urb, SLAB_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); if (unlikely(rc != 0 && rc != -ENODEV)) { dev_err(bcs->cs->dev, "could not resubmit isochronous read " @@ -900,7 +900,7 @@ static int starturbs(struct bc_state *bcs) } dump_urb(DEBUG_ISO, "Initial isoc read", urb); - if ((rc = usb_submit_urb(urb, SLAB_ATOMIC)) != 0) + if ((rc = usb_submit_urb(urb, GFP_ATOMIC)) != 0) goto error; } @@ -935,7 +935,7 @@ static int starturbs(struct bc_state *bcs) /* submit two URBs, keep third one */ for (k = 0; k < 2; ++k) { dump_urb(DEBUG_ISO, "Initial isoc write", urb); - rc = usb_submit_urb(ubc->isoouturbs[k].urb, SLAB_ATOMIC); + rc = usb_submit_urb(ubc->isoouturbs[k].urb, GFP_ATOMIC); if (rc != 0) goto error; } @@ -1042,7 +1042,7 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx) return 0; /* no data to send */ urb->number_of_packets = nframe; - rc = usb_submit_urb(urb, SLAB_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); if (unlikely(rc)) { if (rc == -ENODEV) /* device removed - give up silently */ @@ -1341,7 +1341,7 @@ static void read_iso_tasklet(unsigned long data) urb->dev = bcs->cs->hw.bas->udev; urb->transfer_flags = URB_ISO_ASAP; urb->number_of_packets = BAS_NUMFRAMES; - rc = usb_submit_urb(urb, SLAB_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); if (unlikely(rc != 0 && rc != -ENODEV)) { dev_err(cs->dev, "could not resubmit isochronous read URB: %s\n", @@ -1458,7 +1458,7 @@ static void write_ctrl_callback(struct urb *urb) ucs->retry_ctrl); /* urb->dev is clobbered by USB subsystem */ urb->dev = ucs->udev; - rc = usb_submit_urb(urb, SLAB_ATOMIC); + rc = usb_submit_urb(urb, GFP_ATOMIC); if (unlikely(rc)) { dev_err(&ucs->interface->dev, "could not resubmit request 0x%02x: %s\n", @@ -1517,7 +1517,7 @@ static int req_submit(struct bc_state *bcs, int req, int val, int timeout) (unsigned char*) &ucs->dr_ctrl, NULL, 0, write_ctrl_callback, ucs); ucs->retry_ctrl = 0; - ret = usb_submit_urb(ucs->urb_ctrl, SLAB_ATOMIC); + ret = usb_submit_urb(ucs->urb_ctrl, GFP_ATOMIC); if (unlikely(ret)) { dev_err(bcs->cs->dev, "could not submit request 0x%02x: %s\n", req, get_usb_rcmsg(ret)); @@ -1763,7 +1763,7 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len) usb_sndctrlpipe(ucs->udev, 0), (unsigned char*) &ucs->dr_cmd_out, buf, len, write_command_callback, cs); - rc = usb_submit_urb(ucs->urb_cmd_out, SLAB_ATOMIC); + rc = usb_submit_urb(ucs->urb_cmd_out, GFP_ATOMIC); if (unlikely(rc)) { update_basstate(ucs, 0, BS_ATWRPEND); dev_err(cs->dev, "could not submit HD_WRITE_ATMESSAGE: %s\n", diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index 5ebf49ac9b2..af89ce188f2 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -410,7 +410,7 @@ static void gigaset_read_int_callback(struct urb *urb) if (resubmit) { spin_lock_irqsave(&cs->lock, flags); - r = cs->connected ? usb_submit_urb(urb, SLAB_ATOMIC) : -ENODEV; + r = cs->connected ? usb_submit_urb(urb, GFP_ATOMIC) : -ENODEV; spin_unlock_irqrestore(&cs->lock, flags); if (r) dev_err(cs->dev, "error %d when resubmitting urb.\n", @@ -486,7 +486,7 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb) atomic_set(&ucs->busy, 1); spin_lock_irqsave(&cs->lock, flags); - status = cs->connected ? usb_submit_urb(ucs->bulk_out_urb, SLAB_ATOMIC) : -ENODEV; + status = cs->connected ? usb_submit_urb(ucs->bulk_out_urb, GFP_ATOMIC) : -ENODEV; spin_unlock_irqrestore(&cs->lock, flags); if (status) { @@ -664,7 +664,7 @@ static int write_modem(struct cardstate *cs) ucs->bulk_out_endpointAddr & 0x0f), ucs->bulk_out_buffer, count, gigaset_write_bulk_callback, cs); - ret = usb_submit_urb(ucs->bulk_out_urb, SLAB_ATOMIC); + ret = usb_submit_urb(ucs->bulk_out_urb, GFP_ATOMIC); } else { ret = -ENODEV; } diff --git a/drivers/media/dvb/dvb-usb/usb-urb.c b/drivers/media/dvb/dvb-usb/usb-urb.c index 78035ee824c..397f51a7b2a 100644 --- a/drivers/media/dvb/dvb-usb/usb-urb.c +++ b/drivers/media/dvb/dvb-usb/usb-urb.c @@ -116,7 +116,7 @@ static int usb_allocate_stream_buffers(struct usb_data_stream *stream, int num, for (stream->buf_num = 0; stream->buf_num < num; stream->buf_num++) { deb_mem("allocating buffer %d\n",stream->buf_num); if (( stream->buf_list[stream->buf_num] = - usb_buffer_alloc(stream->udev, size, SLAB_ATOMIC, + usb_buffer_alloc(stream->udev, size, GFP_ATOMIC, &stream->dma_addr[stream->buf_num]) ) == NULL) { deb_mem("not enough memory for urb-buffer allocation.\n"); usb_free_stream_buffers(stream); diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index 8135f3e76ae..10b121ada83 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1244,7 +1244,7 @@ static int ttusb_dec_init_usb(struct ttusb_dec *dec) return -ENOMEM; } dec->irq_buffer = usb_buffer_alloc(dec->udev,IRQ_PACKET_SIZE, - SLAB_ATOMIC, &dec->irq_dma_handle); + GFP_ATOMIC, &dec->irq_dma_handle); if(!dec->irq_buffer) { return -ENOMEM; } diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 277826cdd0c..067f1519eb0 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -109,7 +109,7 @@ zfcp_fsf_req_alloc(mempool_t *pool, int req_flags) ptr = kmalloc(size, GFP_ATOMIC); else ptr = kmem_cache_alloc(zfcp_data.fsf_req_qtcb_cache, - SLAB_ATOMIC); + GFP_ATOMIC); } if (unlikely(!ptr)) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 9be41ed1f9a..0a46acf557a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -460,7 +460,7 @@ void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe) * since each TT has "at least two" buffers that can need it (and * there can be many TTs per hub). even if they're uncommon. */ - if ((clear = kmalloc (sizeof *clear, SLAB_ATOMIC)) == NULL) { + if ((clear = kmalloc (sizeof *clear, GFP_ATOMIC)) == NULL) { dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n"); /* FIXME recover somehow ... RESET_TT? */ return; diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 7390b67c609..149aa8bfb1f 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -488,7 +488,7 @@ void usb_sg_wait (struct usb_sg_request *io) int retval; io->urbs [i]->dev = io->dev; - retval = usb_submit_urb (io->urbs [i], SLAB_ATOMIC); + retval = usb_submit_urb (io->urbs [i], GFP_ATOMIC); /* after we submit, let completions or cancelations fire; * we handshake using io->status. diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 34b7a31cd85..56349d21e6e 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -492,7 +492,7 @@ show_periodic (struct class_device *class_dev, char *buf) unsigned i; __le32 tag; - if (!(seen = kmalloc (DBG_SCHED_LIMIT * sizeof *seen, SLAB_ATOMIC))) + if (!(seen = kmalloc (DBG_SCHED_LIMIT * sizeof *seen, GFP_ATOMIC))) return 0; seen_count = 0; diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c index 87eca6aeacf..396dc69d4b4 100644 --- a/drivers/usb/host/hc_crisv10.c +++ b/drivers/usb/host/hc_crisv10.c @@ -188,7 +188,7 @@ static DEFINE_TIMER(bulk_eot_timer, NULL, 0, 0); #define CHECK_ALIGN(x) if (((__u32)(x)) & 0x00000003) \ {panic("Alignment check (DWORD) failed at %s:%s:%d\n", __FILE__, __FUNCTION__, __LINE__);} -#define SLAB_FLAG (in_interrupt() ? SLAB_ATOMIC : SLAB_KERNEL) +#define SLAB_FLAG (in_interrupt() ? GFP_ATOMIC : SLAB_KERNEL) #define KMALLOC_FLAG (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL) /* Most helpful debugging aid */ @@ -1743,7 +1743,7 @@ static irqreturn_t etrax_usb_tx_interrupt(int irq, void *vhc) *R_DMA_CH8_SUB3_CLR_INTR = IO_STATE(R_DMA_CH8_SUB3_CLR_INTR, clr_descr, do); - comp_data = (usb_isoc_complete_data_t*)kmem_cache_alloc(isoc_compl_cache, SLAB_ATOMIC); + comp_data = (usb_isoc_complete_data_t*)kmem_cache_alloc(isoc_compl_cache, GFP_ATOMIC); assert(comp_data != NULL); INIT_WORK(&comp_data->usb_bh, etrax_usb_isoc_descr_interrupt_bottom_half, comp_data); @@ -3010,7 +3010,7 @@ static void etrax_usb_add_to_isoc_sb_list(struct urb *urb, int epid) if (!urb->iso_frame_desc[i].length) continue; - next_sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, SLAB_ATOMIC); + next_sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, GFP_ATOMIC); assert(next_sb_desc != NULL); if (urb->iso_frame_desc[i].length > 0) { @@ -3063,7 +3063,7 @@ static void etrax_usb_add_to_isoc_sb_list(struct urb *urb, int epid) if (TxIsocEPList[epid].sub == 0) { dbg_isoc("Isoc traffic not already running, allocating SB"); - next_sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, SLAB_ATOMIC); + next_sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, GFP_ATOMIC); assert(next_sb_desc != NULL); next_sb_desc->command = (IO_STATE(USB_SB_command, tt, in) | @@ -3317,7 +3317,7 @@ static irqreturn_t etrax_usb_hc_interrupt_top_half(int irq, void *vhc) restore_flags(flags); - reg = (usb_interrupt_registers_t *)kmem_cache_alloc(top_half_reg_cache, SLAB_ATOMIC); + reg = (usb_interrupt_registers_t *)kmem_cache_alloc(top_half_reg_cache, GFP_ATOMIC); assert(reg != NULL); diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c index 8293c1d4be3..0f47a57dac2 100644 --- a/drivers/usb/host/ohci-dbg.c +++ b/drivers/usb/host/ohci-dbg.c @@ -505,7 +505,7 @@ show_periodic (struct class_device *class_dev, char *buf) char *next; unsigned i; - if (!(seen = kmalloc (DBG_SCHED_LIMIT * sizeof *seen, SLAB_ATOMIC))) + if (!(seen = kmalloc (DBG_SCHED_LIMIT * sizeof *seen, GFP_ATOMIC))) return 0; seen_count = 0; diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 06115f22a4f..30b88459ac7 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -498,7 +498,7 @@ static inline struct urb_priv *uhci_alloc_urb_priv(struct uhci_hcd *uhci, { struct urb_priv *urbp; - urbp = kmem_cache_alloc(uhci_up_cachep, SLAB_ATOMIC); + urbp = kmem_cache_alloc(uhci_up_cachep, GFP_ATOMIC); if (!urbp) return NULL; diff --git a/drivers/usb/input/aiptek.c b/drivers/usb/input/aiptek.c index bf428184608..9f52429ce65 100644 --- a/drivers/usb/input/aiptek.c +++ b/drivers/usb/input/aiptek.c @@ -1988,7 +1988,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) goto fail1; aiptek->data = usb_buffer_alloc(usbdev, AIPTEK_PACKET_LENGTH, - SLAB_ATOMIC, &aiptek->data_dma); + GFP_ATOMIC, &aiptek->data_dma); if (!aiptek->data) goto fail1; diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c index ff23318dc30..b724e36f7b9 100644 --- a/drivers/usb/input/ati_remote.c +++ b/drivers/usb/input/ati_remote.c @@ -592,7 +592,7 @@ static void ati_remote_irq_in(struct urb *urb) __FUNCTION__, urb->status); } - retval = usb_submit_urb(urb, SLAB_ATOMIC); + retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) dev_err(&ati_remote->interface->dev, "%s: usb_submit_urb()=%d\n", __FUNCTION__, retval); @@ -604,12 +604,12 @@ static void ati_remote_irq_in(struct urb *urb) static int ati_remote_alloc_buffers(struct usb_device *udev, struct ati_remote *ati_remote) { - ati_remote->inbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC, + ati_remote->inbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, GFP_ATOMIC, &ati_remote->inbuf_dma); if (!ati_remote->inbuf) return -1; - ati_remote->outbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, SLAB_ATOMIC, + ati_remote->outbuf = usb_buffer_alloc(udev, DATA_BUFSIZE, GFP_ATOMIC, &ati_remote->outbuf_dma); if (!ati_remote->outbuf) return -1; diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 4295bab4f1e..f1d0e1d6982 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1079,7 +1079,7 @@ static void hid_irq_in(struct urb *urb) warn("input irq status %d received", urb->status); } - status = usb_submit_urb(urb, SLAB_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { clear_bit(HID_IN_RUNNING, &hid->iofl); if (status != -EPERM) { @@ -1864,13 +1864,13 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type, int * static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) { - if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma))) + if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->inbuf_dma))) return -1; - if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma))) + if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->outbuf_dma))) return -1; - if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma))) + if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), GFP_ATOMIC, &hid->cr_dma))) return -1; - if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma))) + if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, GFP_ATOMIC, &hid->ctrlbuf_dma))) return -1; return 0; diff --git a/drivers/usb/input/keyspan_remote.c b/drivers/usb/input/keyspan_remote.c index 50aa8108a50..98bd323369c 100644 --- a/drivers/usb/input/keyspan_remote.c +++ b/drivers/usb/input/keyspan_remote.c @@ -456,7 +456,7 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic remote->in_endpoint = endpoint; remote->toggle = -1; /* Set to -1 so we will always not match the toggle from the first remote message. */ - remote->in_buffer = usb_buffer_alloc(udev, RECV_SIZE, SLAB_ATOMIC, &remote->in_dma); + remote->in_buffer = usb_buffer_alloc(udev, RECV_SIZE, GFP_ATOMIC, &remote->in_dma); if (!remote->in_buffer) { retval = -ENOMEM; goto fail1; diff --git a/drivers/usb/input/mtouchusb.c b/drivers/usb/input/mtouchusb.c index 79a85d46cb1..92c4e07da4c 100644 --- a/drivers/usb/input/mtouchusb.c +++ b/drivers/usb/input/mtouchusb.c @@ -164,7 +164,7 @@ static int mtouchusb_alloc_buffers(struct usb_device *udev, struct mtouch_usb *m dbg("%s - called", __FUNCTION__); mtouch->data = usb_buffer_alloc(udev, MTOUCHUSB_REPORT_DATA_SIZE, - SLAB_ATOMIC, &mtouch->data_dma); + GFP_ATOMIC, &mtouch->data_dma); if (!mtouch->data) return -1; diff --git a/drivers/usb/input/powermate.c b/drivers/usb/input/powermate.c index 0bf91778c40..fea97e5437f 100644 --- a/drivers/usb/input/powermate.c +++ b/drivers/usb/input/powermate.c @@ -277,12 +277,12 @@ static int powermate_input_event(struct input_dev *dev, unsigned int type, unsig static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_device *pm) { pm->data = usb_buffer_alloc(udev, POWERMATE_PAYLOAD_SIZE_MAX, - SLAB_ATOMIC, &pm->data_dma); + GFP_ATOMIC, &pm->data_dma); if (!pm->data) return -1; pm->configcr = usb_buffer_alloc(udev, sizeof(*(pm->configcr)), - SLAB_ATOMIC, &pm->configcr_dma); + GFP_ATOMIC, &pm->configcr_dma); if (!pm->configcr) return -1; diff --git a/drivers/usb/input/touchkitusb.c b/drivers/usb/input/touchkitusb.c index 05c0d1ca39a..2a314b06592 100644 --- a/drivers/usb/input/touchkitusb.c +++ b/drivers/usb/input/touchkitusb.c @@ -248,7 +248,7 @@ static int touchkit_alloc_buffers(struct usb_device *udev, struct touchkit_usb *touchkit) { touchkit->data = usb_buffer_alloc(udev, TOUCHKIT_REPORT_DATA_SIZE, - SLAB_ATOMIC, &touchkit->data_dma); + GFP_ATOMIC, &touchkit->data_dma); if (!touchkit->data) return -1; diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index dac88640eab..8505824848f 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -122,7 +122,7 @@ static void usb_kbd_irq(struct urb *urb) memcpy(kbd->old, kbd->new, 8); resubmit: - i = usb_submit_urb (urb, SLAB_ATOMIC); + i = usb_submit_urb (urb, GFP_ATOMIC); if (i) err ("can't resubmit intr, %s-%s/input0, status %d", kbd->usbdev->bus->bus_name, @@ -196,11 +196,11 @@ static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd) return -1; if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL))) return -1; - if (!(kbd->new = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &kbd->new_dma))) + if (!(kbd->new = usb_buffer_alloc(dev, 8, GFP_ATOMIC, &kbd->new_dma))) return -1; - if (!(kbd->cr = usb_buffer_alloc(dev, sizeof(struct usb_ctrlrequest), SLAB_ATOMIC, &kbd->cr_dma))) + if (!(kbd->cr = usb_buffer_alloc(dev, sizeof(struct usb_ctrlrequest), GFP_ATOMIC, &kbd->cr_dma))) return -1; - if (!(kbd->leds = usb_buffer_alloc(dev, 1, SLAB_ATOMIC, &kbd->leds_dma))) + if (!(kbd->leds = usb_buffer_alloc(dev, 1, GFP_ATOMIC, &kbd->leds_dma))) return -1; return 0; diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c index 68a55642c08..64a33e420cf 100644 --- a/drivers/usb/input/usbmouse.c +++ b/drivers/usb/input/usbmouse.c @@ -86,7 +86,7 @@ static void usb_mouse_irq(struct urb *urb) input_sync(dev); resubmit: - status = usb_submit_urb (urb, SLAB_ATOMIC); + status = usb_submit_urb (urb, GFP_ATOMIC); if (status) err ("can't resubmit intr, %s-%s/input0, status %d", mouse->usbdev->bus->bus_name, @@ -137,7 +137,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i if (!mouse || !input_dev) goto fail1; - mouse->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &mouse->data_dma); + mouse->data = usb_buffer_alloc(dev, 8, GFP_ATOMIC, &mouse->data_dma); if (!mouse->data) goto fail1; diff --git a/drivers/usb/input/xpad.c b/drivers/usb/input/xpad.c index df97e5c803f..e4bc76ebc83 100644 --- a/drivers/usb/input/xpad.c +++ b/drivers/usb/input/xpad.c @@ -325,7 +325,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id goto fail1; xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, - SLAB_ATOMIC, &xpad->idata_dma); + GFP_ATOMIC, &xpad->idata_dma); if (!xpad->idata) goto fail1; diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 2268ca311ad..caff8e6d744 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -874,17 +874,17 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) /* allocate usb buffers */ yld->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN, - SLAB_ATOMIC, &yld->irq_dma); + GFP_ATOMIC, &yld->irq_dma); if (yld->irq_data == NULL) return usb_cleanup(yld, -ENOMEM); yld->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN, - SLAB_ATOMIC, &yld->ctl_dma); + GFP_ATOMIC, &yld->ctl_dma); if (!yld->ctl_data) return usb_cleanup(yld, -ENOMEM); yld->ctl_req = usb_buffer_alloc(udev, sizeof(*(yld->ctl_req)), - SLAB_ATOMIC, &yld->ctl_req_dma); + GFP_ATOMIC, &yld->ctl_req_dma); if (yld->ctl_req == NULL) return usb_cleanup(yld, -ENOMEM); diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index 9659c79e187..371bf2b1197 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -377,7 +377,7 @@ static void interfacekit_irq(struct urb *urb) schedule_delayed_work(&kit->do_notify, 0); resubmit: - status = usb_submit_urb(urb, SLAB_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) err("can't resubmit intr, %s-%s/interfacekit0, status %d", kit->udev->bus->bus_name, @@ -568,7 +568,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic kit->dev_no = -1; kit->ifkit = ifkit; - kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma); + kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &kit->data_dma); if (!kit->data) goto out; diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 2bb4fa572bb..5727e1ea2f9 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -151,7 +151,7 @@ static void motorcontrol_irq(struct urb *urb) schedule_delayed_work(&mc->do_notify, 0); resubmit: - status = usb_submit_urb(urb, SLAB_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) dev_err(&mc->intf->dev, "can't resubmit intr, %s-%s/motorcontrol0, status %d", @@ -338,7 +338,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic goto out; mc->dev_no = -1; - mc->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &mc->data_dma); + mc->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &mc->data_dma); if (!mc->data) goto out; diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 194065dbb51..ea04dccdc65 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -819,7 +819,7 @@ error: /* resubmit if we need to, else mark this as done */ if ((status == 0) && (ctx->pending < ctx->count)) { - if ((status = usb_submit_urb (urb, SLAB_ATOMIC)) != 0) { + if ((status = usb_submit_urb (urb, GFP_ATOMIC)) != 0) { dbg ("can't resubmit ctrl %02x.%02x, err %d", reqp->bRequestType, reqp->bRequest, status); urb->dev = NULL; @@ -999,7 +999,7 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) context.urb = urb; spin_lock_irq (&context.lock); for (i = 0; i < param->sglen; i++) { - context.status = usb_submit_urb (urb [i], SLAB_ATOMIC); + context.status = usb_submit_urb (urb [i], GFP_ATOMIC); if (context.status != 0) { dbg ("can't submit urb[%d], status %d", i, context.status); @@ -1041,7 +1041,7 @@ static void unlink1_callback (struct urb *urb) // we "know" -EPIPE (stall) never happens if (!status) - status = usb_submit_urb (urb, SLAB_ATOMIC); + status = usb_submit_urb (urb, GFP_ATOMIC); if (status) { urb->status = status; complete ((struct completion *) urb->context); @@ -1481,7 +1481,7 @@ test_iso_queue (struct usbtest_dev *dev, struct usbtest_param *param, spin_lock_irq (&context.lock); for (i = 0; i < param->sglen; i++) { ++context.pending; - status = usb_submit_urb (urbs [i], SLAB_ATOMIC); + status = usb_submit_urb (urbs [i], GFP_ATOMIC); if (status < 0) { ERROR (dev, "submit iso[%d], error %d\n", i, status); if (i == 0) { diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index 7a2346c5328..46aecc8754f 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -147,7 +147,7 @@ static void mon_text_event(struct mon_reader_text *rp, struct urb *urb, stamp = mon_get_timestamp(); if (rp->nevents >= EVENT_MAX || - (ep = kmem_cache_alloc(rp->e_slab, SLAB_ATOMIC)) == NULL) { + (ep = kmem_cache_alloc(rp->e_slab, GFP_ATOMIC)) == NULL) { rp->r.m_bus->cnt_text_lost++; return; } @@ -188,7 +188,7 @@ static void mon_text_error(void *data, struct urb *urb, int error) struct mon_event_text *ep; if (rp->nevents >= EVENT_MAX || - (ep = kmem_cache_alloc(rp->e_slab, SLAB_ATOMIC)) == NULL) { + (ep = kmem_cache_alloc(rp->e_slab, GFP_ATOMIC)) == NULL) { rp->r.m_bus->cnt_text_lost++; return; } diff --git a/drivers/usb/net/catc.c b/drivers/usb/net/catc.c index 907b820a5fa..4852012735f 100644 --- a/drivers/usb/net/catc.c +++ b/drivers/usb/net/catc.c @@ -345,7 +345,7 @@ static void catc_irq_done(struct urb *urb) } } resubmit: - status = usb_submit_urb (urb, SLAB_ATOMIC); + status = usb_submit_urb (urb, GFP_ATOMIC); if (status) err ("can't resubmit intr, %s-%s, status %d", catc->usbdev->bus->bus_name, diff --git a/drivers/usb/net/net1080.c b/drivers/usb/net/net1080.c index a77410562e1..49363595451 100644 --- a/drivers/usb/net/net1080.c +++ b/drivers/usb/net/net1080.c @@ -383,7 +383,7 @@ static void nc_ensure_sync(struct usbnet *dev) int status; /* Send a flush */ - urb = usb_alloc_urb(0, SLAB_ATOMIC); + urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) return; diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index b5690b3834e..d48c024cff5 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -856,7 +856,7 @@ static void intr_callback(struct urb *urb) pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; } - status = usb_submit_urb(urb, SLAB_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status == -ENODEV) netif_device_detach(pegasus->net); if (status && netif_msg_timer(pegasus)) diff --git a/drivers/usb/net/rtl8150.c b/drivers/usb/net/rtl8150.c index 72171f94ded..c54235f73cb 100644 --- a/drivers/usb/net/rtl8150.c +++ b/drivers/usb/net/rtl8150.c @@ -587,7 +587,7 @@ static void intr_callback(struct urb *urb) } resubmit: - status = usb_submit_urb (urb, SLAB_ATOMIC); + status = usb_submit_urb (urb, GFP_ATOMIC); if (status == -ENODEV) netif_device_detach(dev->netdev); else if (status) diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 82cd15b894b..70f93b18292 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -363,7 +363,7 @@ static int mos7720_open(struct usb_serial_port *port, struct file * filp) /* Initialising the write urb pool */ for (j = 0; j < NUM_URBS; ++j) { - urb = usb_alloc_urb(0,SLAB_ATOMIC); + urb = usb_alloc_urb(0,GFP_ATOMIC); mos7720_port->write_urb_pool[j] = urb; if (urb == NULL) { diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 02c89e10b2c..5432c634008 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -826,7 +826,7 @@ static int mos7840_open(struct usb_serial_port *port, struct file *filp) /* Initialising the write urb pool */ for (j = 0; j < NUM_URBS; ++j) { - urb = usb_alloc_urb(0, SLAB_ATOMIC); + urb = usb_alloc_urb(0, GFP_ATOMIC); mos7840_port->write_urb_pool[j] = urb; if (urb == NULL) { @@ -2786,7 +2786,7 @@ static int mos7840_startup(struct usb_serial *serial) i + 1, status); } - mos7840_port->control_urb = usb_alloc_urb(0, SLAB_ATOMIC); + mos7840_port->control_urb = usb_alloc_urb(0, GFP_ATOMIC); mos7840_port->ctrl_buf = kmalloc(16, GFP_KERNEL); } diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 3a158d58441..e565d3d2ab2 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -76,7 +76,7 @@ static void usb_onetouch_irq(struct urb *urb) input_sync(dev); resubmit: - status = usb_submit_urb (urb, SLAB_ATOMIC); + status = usb_submit_urb (urb, GFP_ATOMIC); if (status) err ("can't resubmit intr, %s-%s/input0, status %d", onetouch->udev->bus->bus_name, @@ -154,7 +154,7 @@ int onetouch_connect_input(struct us_data *ss) goto fail1; onetouch->data = usb_buffer_alloc(udev, ONETOUCH_PKT_LEN, - SLAB_ATOMIC, &onetouch->data_dma); + GFP_ATOMIC, &onetouch->data_dma); if (!onetouch->data) goto fail1; -- cgit v1.2.3 From e94b1766097d53e6f3ccfb36c8baa562ffeda3fc Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:17 -0800 Subject: [PATCH] slab: remove SLAB_KERNEL SLAB_KERNEL is an alias of GFP_KERNEL. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/atm/he.c | 4 ++-- drivers/base/dmapool.c | 2 +- drivers/dma/ioatdma.c | 4 ++-- drivers/ieee1394/hosts.c | 2 +- drivers/ieee1394/ohci1394.c | 8 ++++---- drivers/ieee1394/pcilynx.c | 2 +- drivers/ieee1394/raw1394.c | 10 +++++----- drivers/infiniband/hw/ehca/ehca_av.c | 2 +- drivers/infiniband/hw/ehca/ehca_cq.c | 2 +- drivers/infiniband/hw/ehca/ehca_main.c | 2 +- drivers/infiniband/hw/ehca/ehca_mrmw.c | 4 ++-- drivers/infiniband/hw/ehca/ehca_pd.c | 2 +- drivers/infiniband/hw/ehca/ehca_qp.c | 2 +- drivers/input/touchscreen/ads7846.c | 2 +- drivers/isdn/gigaset/bas-gigaset.c | 14 +++++++------- drivers/isdn/gigaset/usb-gigaset.c | 6 +++--- drivers/media/dvb/cinergyT2/cinergyT2.c | 2 +- drivers/mtd/devices/m25p80.c | 2 +- drivers/scsi/ipr.c | 2 +- drivers/spi/spi.c | 4 ++-- drivers/spi/spi_bitbang.c | 2 +- drivers/usb/core/hub.c | 4 ++-- drivers/usb/gadget/gmidi.c | 2 +- drivers/usb/gadget/goku_udc.c | 2 +- drivers/usb/gadget/inode.c | 6 +++--- drivers/usb/gadget/net2280.c | 2 +- drivers/usb/gadget/omap_udc.c | 2 +- drivers/usb/gadget/zero.c | 2 +- drivers/usb/host/hc_crisv10.c | 2 +- drivers/usb/host/ohci-pnx4008.c | 2 +- drivers/usb/input/acecad.c | 2 +- drivers/usb/input/usbtouchscreen.c | 2 +- drivers/usb/misc/usbtest.c | 28 ++++++++++++++-------------- drivers/usb/net/rndis_host.c | 2 +- drivers/usb/net/usbnet.c | 4 ++-- 35 files changed, 71 insertions(+), 71 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/he.c b/drivers/atm/he.c index 2a2f0fc2288..ec8a7a633e6 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -820,7 +820,7 @@ he_init_group(struct he_dev *he_dev, int group) void *cpuaddr; #ifdef USE_RBPS_POOL - cpuaddr = pci_pool_alloc(he_dev->rbps_pool, SLAB_KERNEL|SLAB_DMA, &dma_handle); + cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|SLAB_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; #else @@ -884,7 +884,7 @@ he_init_group(struct he_dev *he_dev, int group) void *cpuaddr; #ifdef USE_RBPL_POOL - cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, SLAB_KERNEL|SLAB_DMA, &dma_handle); + cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|SLAB_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; #else diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index fa4675254f6..dbe0735f8c9 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -126,7 +126,7 @@ dma_pool_create (const char *name, struct device *dev, } else if (allocation < size) return NULL; - if (!(retval = kmalloc (sizeof *retval, SLAB_KERNEL))) + if (!(retval = kmalloc (sizeof *retval, GFP_KERNEL))) return retval; strlcpy (retval->name, name, sizeof retval->name); diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c index 0358419a0e4..8e872610461 100644 --- a/drivers/dma/ioatdma.c +++ b/drivers/dma/ioatdma.c @@ -636,10 +636,10 @@ static int ioat_self_test(struct ioat_device *device) dma_cookie_t cookie; int err = 0; - src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, SLAB_KERNEL); + src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!src) return -ENOMEM; - dest = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, SLAB_KERNEL); + dest = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, GFP_KERNEL); if (!dest) { kfree(src); return -ENOMEM; diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index 8f4378a1631..b935e08695a 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -123,7 +123,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, int i; int hostnum = 0; - h = kzalloc(sizeof(*h) + extra, SLAB_KERNEL); + h = kzalloc(sizeof(*h) + extra, GFP_KERNEL); if (!h) return NULL; diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 6e8ea9110c4..eae97d8dcf0 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -1225,7 +1225,7 @@ static int ohci_iso_recv_init(struct hpsb_iso *iso) int ctx; int ret = -ENOMEM; - recv = kmalloc(sizeof(*recv), SLAB_KERNEL); + recv = kmalloc(sizeof(*recv), GFP_KERNEL); if (!recv) return -ENOMEM; @@ -1918,7 +1918,7 @@ static int ohci_iso_xmit_init(struct hpsb_iso *iso) int ctx; int ret = -ENOMEM; - xmit = kmalloc(sizeof(*xmit), SLAB_KERNEL); + xmit = kmalloc(sizeof(*xmit), GFP_KERNEL); if (!xmit) return -ENOMEM; @@ -3021,7 +3021,7 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d, return -ENOMEM; } - d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, SLAB_KERNEL, d->prg_bus+i); + d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, GFP_KERNEL, d->prg_bus+i); OHCI_DMA_ALLOC("pool dma_rcv prg[%d]", i); if (d->prg_cpu[i] != NULL) { @@ -3117,7 +3117,7 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d, OHCI_DMA_ALLOC("dma_rcv prg pool"); for (i = 0; i < d->num_desc; i++) { - d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, SLAB_KERNEL, d->prg_bus+i); + d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, GFP_KERNEL, d->prg_bus+i); OHCI_DMA_ALLOC("pool dma_trm prg[%d]", i); if (d->prg_cpu[i] != NULL) { diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c index 0a7412e27eb..9cab1d66147 100644 --- a/drivers/ieee1394/pcilynx.c +++ b/drivers/ieee1394/pcilynx.c @@ -1428,7 +1428,7 @@ static int __devinit add_card(struct pci_dev *dev, struct i2c_algo_bit_data i2c_adapter_data; error = -ENOMEM; - i2c_ad = kmalloc(sizeof(*i2c_ad), SLAB_KERNEL); + i2c_ad = kmalloc(sizeof(*i2c_ad), GFP_KERNEL); if (!i2c_ad) FAIL("failed to allocate I2C adapter memory"); memcpy(i2c_ad, &bit_ops, sizeof(struct i2c_adapter)); diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 47f6a4e29b4..bf71e069eaf 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -112,7 +112,7 @@ static struct pending_request *__alloc_pending_request(gfp_t flags) static inline struct pending_request *alloc_pending_request(void) { - return __alloc_pending_request(SLAB_KERNEL); + return __alloc_pending_request(GFP_KERNEL); } static void free_pending_request(struct pending_request *req) @@ -1737,7 +1737,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req) return (-EINVAL); } /* addr-list-entry for fileinfo */ - addr = kmalloc(sizeof(*addr), SLAB_KERNEL); + addr = kmalloc(sizeof(*addr), GFP_KERNEL); if (!addr) { req->req.length = 0; return (-ENOMEM); @@ -2103,7 +2103,7 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req) static int get_config_rom(struct file_info *fi, struct pending_request *req) { int ret = sizeof(struct raw1394_request); - quadlet_t *data = kmalloc(req->req.length, SLAB_KERNEL); + quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL); int status; if (!data) @@ -2133,7 +2133,7 @@ static int get_config_rom(struct file_info *fi, struct pending_request *req) static int update_config_rom(struct file_info *fi, struct pending_request *req) { int ret = sizeof(struct raw1394_request); - quadlet_t *data = kmalloc(req->req.length, SLAB_KERNEL); + quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL); if (!data) return -ENOMEM; if (copy_from_user(data, int2ptr(req->req.sendb), req->req.length)) { @@ -2779,7 +2779,7 @@ static int raw1394_open(struct inode *inode, struct file *file) { struct file_info *fi; - fi = kzalloc(sizeof(*fi), SLAB_KERNEL); + fi = kzalloc(sizeof(*fi), GFP_KERNEL); if (!fi) return -ENOMEM; diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/infiniband/hw/ehca/ehca_av.c index 214e2fdddee..0d6e2c4bb24 100644 --- a/drivers/infiniband/hw/ehca/ehca_av.c +++ b/drivers/infiniband/hw/ehca/ehca_av.c @@ -57,7 +57,7 @@ struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr) struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, ib_device); - av = kmem_cache_alloc(av_cache, SLAB_KERNEL); + av = kmem_cache_alloc(av_cache, GFP_KERNEL); if (!av) { ehca_err(pd->device, "Out of memory pd=%p ah_attr=%p", pd, ah_attr); diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 458fe19648a..93995b658d9 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -134,7 +134,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, if (cqe >= 0xFFFFFFFF - 64 - additional_cqe) return ERR_PTR(-EINVAL); - my_cq = kmem_cache_alloc(cq_cache, SLAB_KERNEL); + my_cq = kmem_cache_alloc(cq_cache, GFP_KERNEL); if (!my_cq) { ehca_err(device, "Out of memory for ehca_cq struct device=%p", device); diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index 3d1c1c53503..cc47e4c13a1 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -108,7 +108,7 @@ static struct kmem_cache *ctblk_cache = NULL; void *ehca_alloc_fw_ctrlblock(void) { - void *ret = kmem_cache_zalloc(ctblk_cache, SLAB_KERNEL); + void *ret = kmem_cache_zalloc(ctblk_cache, GFP_KERNEL); if (!ret) ehca_gen_err("Out of memory for ctblk"); return ret; diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index abce676c0ae..0a5e2214cc5 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -53,7 +53,7 @@ static struct ehca_mr *ehca_mr_new(void) { struct ehca_mr *me; - me = kmem_cache_alloc(mr_cache, SLAB_KERNEL); + me = kmem_cache_alloc(mr_cache, GFP_KERNEL); if (me) { memset(me, 0, sizeof(struct ehca_mr)); spin_lock_init(&me->mrlock); @@ -72,7 +72,7 @@ static struct ehca_mw *ehca_mw_new(void) { struct ehca_mw *me; - me = kmem_cache_alloc(mw_cache, SLAB_KERNEL); + me = kmem_cache_alloc(mw_cache, GFP_KERNEL); if (me) { memset(me, 0, sizeof(struct ehca_mw)); spin_lock_init(&me->mwlock); diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c index 2c3cdc6f7b3..d5345e5b3cd 100644 --- a/drivers/infiniband/hw/ehca/ehca_pd.c +++ b/drivers/infiniband/hw/ehca/ehca_pd.c @@ -50,7 +50,7 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device, { struct ehca_pd *pd; - pd = kmem_cache_alloc(pd_cache, SLAB_KERNEL); + pd = kmem_cache_alloc(pd_cache, GFP_KERNEL); if (!pd) { ehca_err(device, "device=%p context=%p out of memory", device, context); diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 8682aa50c70..c6c9cef203e 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -450,7 +450,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, if (pd->uobject && udata) context = pd->uobject->context; - my_qp = kmem_cache_alloc(qp_cache, SLAB_KERNEL); + my_qp = kmem_cache_alloc(qp_cache, GFP_KERNEL); if (!my_qp) { ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd); return ERR_PTR(-ENOMEM); diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f56d6a0f062..0517c7387d6 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -189,7 +189,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command) { struct spi_device *spi = to_spi_device(dev); struct ads7846 *ts = dev_get_drvdata(dev); - struct ser_req *req = kzalloc(sizeof *req, SLAB_KERNEL); + struct ser_req *req = kzalloc(sizeof *req, GFP_KERNEL); int status; int sample; int i; diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 5857e7e23f8..63b629b1cdb 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -2218,21 +2218,21 @@ static int gigaset_probe(struct usb_interface *interface, * - three for the different uses of the default control pipe * - three for each isochronous pipe */ - if (!(ucs->urb_int_in = usb_alloc_urb(0, SLAB_KERNEL)) || - !(ucs->urb_cmd_in = usb_alloc_urb(0, SLAB_KERNEL)) || - !(ucs->urb_cmd_out = usb_alloc_urb(0, SLAB_KERNEL)) || - !(ucs->urb_ctrl = usb_alloc_urb(0, SLAB_KERNEL))) + if (!(ucs->urb_int_in = usb_alloc_urb(0, GFP_KERNEL)) || + !(ucs->urb_cmd_in = usb_alloc_urb(0, GFP_KERNEL)) || + !(ucs->urb_cmd_out = usb_alloc_urb(0, GFP_KERNEL)) || + !(ucs->urb_ctrl = usb_alloc_urb(0, GFP_KERNEL))) goto allocerr; for (j = 0; j < 2; ++j) { ubc = cs->bcs[j].hw.bas; for (i = 0; i < BAS_OUTURBS; ++i) if (!(ubc->isoouturbs[i].urb = - usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL))) + usb_alloc_urb(BAS_NUMFRAMES, GFP_KERNEL))) goto allocerr; for (i = 0; i < BAS_INURBS; ++i) if (!(ubc->isoinurbs[i] = - usb_alloc_urb(BAS_NUMFRAMES, SLAB_KERNEL))) + usb_alloc_urb(BAS_NUMFRAMES, GFP_KERNEL))) goto allocerr; } @@ -2246,7 +2246,7 @@ static int gigaset_probe(struct usb_interface *interface, (endpoint->bEndpointAddress) & 0x0f), ucs->int_in_buf, 3, read_int_callback, cs, endpoint->bInterval); - if ((rc = usb_submit_urb(ucs->urb_int_in, SLAB_KERNEL)) != 0) { + if ((rc = usb_submit_urb(ucs->urb_int_in, GFP_KERNEL)) != 0) { dev_err(cs->dev, "could not submit interrupt URB: %s\n", get_usb_rcmsg(rc)); goto error; diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index af89ce188f2..04f2ad7ba8b 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -763,7 +763,7 @@ static int gigaset_probe(struct usb_interface *interface, goto error; } - ucs->bulk_out_urb = usb_alloc_urb(0, SLAB_KERNEL); + ucs->bulk_out_urb = usb_alloc_urb(0, GFP_KERNEL); if (!ucs->bulk_out_urb) { dev_err(cs->dev, "Couldn't allocate bulk_out_urb\n"); retval = -ENOMEM; @@ -774,7 +774,7 @@ static int gigaset_probe(struct usb_interface *interface, atomic_set(&ucs->busy, 0); - ucs->read_urb = usb_alloc_urb(0, SLAB_KERNEL); + ucs->read_urb = usb_alloc_urb(0, GFP_KERNEL); if (!ucs->read_urb) { dev_err(cs->dev, "No free urbs available\n"); retval = -ENOMEM; @@ -797,7 +797,7 @@ static int gigaset_probe(struct usb_interface *interface, gigaset_read_int_callback, cs->inbuf + 0, endpoint->bInterval); - retval = usb_submit_urb(ucs->read_urb, SLAB_KERNEL); + retval = usb_submit_urb(ucs->read_urb, GFP_KERNEL); if (retval) { dev_err(cs->dev, "Could not submit URB (error %d)\n", -retval); goto error; diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 206c13e47a0..9123147e376 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -287,7 +287,7 @@ static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2) int i; cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, - SLAB_KERNEL, &cinergyt2->streambuf_dmahandle); + GFP_KERNEL, &cinergyt2->streambuf_dmahandle); if (!cinergyt2->streambuf) { dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n"); return -ENOMEM; diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index ef4a731ca5c..334e078ffaf 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -451,7 +451,7 @@ static int __devinit m25p_probe(struct spi_device *spi) return -ENODEV; } - flash = kzalloc(sizeof *flash, SLAB_KERNEL); + flash = kzalloc(sizeof *flash, GFP_KERNEL); if (!flash) return -ENOMEM; diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index ccd4dafce8e..b318500785e 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6940,7 +6940,7 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) return -ENOMEM; for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { - ipr_cmd = pci_pool_alloc (ioa_cfg->ipr_cmd_pool, SLAB_KERNEL, &dma_addr); + ipr_cmd = pci_pool_alloc (ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); if (!ipr_cmd) { ipr_free_cmd_blks(ioa_cfg); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index c3c0626f550..09f2c74a40c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -360,7 +360,7 @@ spi_alloc_master(struct device *dev, unsigned size) if (!dev) return NULL; - master = kzalloc(size + sizeof *master, SLAB_KERNEL); + master = kzalloc(size + sizeof *master, GFP_KERNEL); if (!master) return NULL; @@ -607,7 +607,7 @@ static int __init spi_init(void) { int status; - buf = kmalloc(SPI_BUFSIZ, SLAB_KERNEL); + buf = kmalloc(SPI_BUFSIZ, GFP_KERNEL); if (!buf) { status = -ENOMEM; goto err0; diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c index 08c1c57c612..57289b61d0b 100644 --- a/drivers/spi/spi_bitbang.c +++ b/drivers/spi/spi_bitbang.c @@ -196,7 +196,7 @@ int spi_bitbang_setup(struct spi_device *spi) return -EINVAL; if (!cs) { - cs = kzalloc(sizeof *cs, SLAB_KERNEL); + cs = kzalloc(sizeof *cs, GFP_KERNEL); if (!cs) return -ENOMEM; spi->controller_state = cs; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 0a46acf557a..77c05be5241 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2371,7 +2371,7 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) struct usb_qualifier_descriptor *qual; int status; - qual = kmalloc (sizeof *qual, SLAB_KERNEL); + qual = kmalloc (sizeof *qual, GFP_KERNEL); if (qual == NULL) return; @@ -2922,7 +2922,7 @@ static int config_descriptors_changed(struct usb_device *udev) if (len < le16_to_cpu(udev->config[index].desc.wTotalLength)) len = le16_to_cpu(udev->config[index].desc.wTotalLength); } - buf = kmalloc (len, SLAB_KERNEL); + buf = kmalloc (len, GFP_KERNEL); if (buf == NULL) { dev_err(&udev->dev, "no mem to re-read configs after reset\n"); /* assume the worst */ diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c index 64554acad63..31351826f2b 100644 --- a/drivers/usb/gadget/gmidi.c +++ b/drivers/usb/gadget/gmidi.c @@ -1236,7 +1236,7 @@ autoconf_fail: /* ok, we made sense of the hardware ... */ - dev = kzalloc(sizeof(*dev), SLAB_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) { return -ENOMEM; } diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index a3076da3f4e..805a9826842 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -1864,7 +1864,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) } /* alloc, and start init */ - dev = kmalloc (sizeof *dev, SLAB_KERNEL); + dev = kmalloc (sizeof *dev, GFP_KERNEL); if (dev == NULL){ pr_debug("enomem %s\n", pci_name(pdev)); retval = -ENOMEM; diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 86924f9cdd7..3fb1044a4db 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -412,7 +412,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) /* FIXME readahead for O_NONBLOCK and poll(); careful with ZLPs */ value = -ENOMEM; - kbuf = kmalloc (len, SLAB_KERNEL); + kbuf = kmalloc (len, GFP_KERNEL); if (unlikely (!kbuf)) goto free1; @@ -456,7 +456,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) /* FIXME writebehind for O_NONBLOCK and poll(), qlen = 1 */ value = -ENOMEM; - kbuf = kmalloc (len, SLAB_KERNEL); + kbuf = kmalloc (len, GFP_KERNEL); if (!kbuf) goto free1; if (copy_from_user (kbuf, buf, len)) { @@ -1898,7 +1898,7 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) buf += 4; length -= 4; - kbuf = kmalloc (length, SLAB_KERNEL); + kbuf = kmalloc (length, GFP_KERNEL); if (!kbuf) return -ENOMEM; if (copy_from_user (kbuf, buf, length)) { diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 0b590831582..3024c679e38 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2861,7 +2861,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) } /* alloc, and start init */ - dev = kzalloc (sizeof *dev, SLAB_KERNEL); + dev = kzalloc (sizeof *dev, GFP_KERNEL); if (dev == NULL){ retval = -ENOMEM; goto done; diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 48a09fd89d1..030d87c28c2 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -2581,7 +2581,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) /* UDC_PULLUP_EN gates the chip clock */ // OTG_SYSCON_1_REG |= DEV_IDLE_EN; - udc = kzalloc(sizeof(*udc), SLAB_KERNEL); + udc = kzalloc(sizeof(*udc), GFP_KERNEL); if (!udc) return -ENOMEM; diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 0f809dd6849..40710ea1b49 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -1190,7 +1190,7 @@ autoconf_fail: /* ok, we made sense of the hardware ... */ - dev = kzalloc(sizeof(*dev), SLAB_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; spin_lock_init (&dev->lock); diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c index 396dc69d4b4..7fd872aa654 100644 --- a/drivers/usb/host/hc_crisv10.c +++ b/drivers/usb/host/hc_crisv10.c @@ -188,7 +188,7 @@ static DEFINE_TIMER(bulk_eot_timer, NULL, 0, 0); #define CHECK_ALIGN(x) if (((__u32)(x)) & 0x00000003) \ {panic("Alignment check (DWORD) failed at %s:%s:%d\n", __FILE__, __FUNCTION__, __LINE__);} -#define SLAB_FLAG (in_interrupt() ? GFP_ATOMIC : SLAB_KERNEL) +#define SLAB_FLAG (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL) #define KMALLOC_FLAG (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL) /* Most helpful debugging aid */ diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c index 2dbb7741490..7f26f9bdbaf 100644 --- a/drivers/usb/host/ohci-pnx4008.c +++ b/drivers/usb/host/ohci-pnx4008.c @@ -134,7 +134,7 @@ static int isp1301_attach(struct i2c_adapter *adap, int addr, int kind) { struct i2c_client *c; - c = (struct i2c_client *)kzalloc(sizeof(*c), SLAB_KERNEL); + c = (struct i2c_client *)kzalloc(sizeof(*c), GFP_KERNEL); if (!c) return -ENOMEM; diff --git a/drivers/usb/input/acecad.c b/drivers/usb/input/acecad.c index 0096373b5f9..909138e5aa0 100644 --- a/drivers/usb/input/acecad.c +++ b/drivers/usb/input/acecad.c @@ -152,7 +152,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_ if (!acecad || !input_dev) goto fail1; - acecad->data = usb_buffer_alloc(dev, 8, SLAB_KERNEL, &acecad->data_dma); + acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma); if (!acecad->data) goto fail1; diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c index 49704d4ed0e..7f3c57da9bc 100644 --- a/drivers/usb/input/usbtouchscreen.c +++ b/drivers/usb/input/usbtouchscreen.c @@ -680,7 +680,7 @@ static int usbtouch_probe(struct usb_interface *intf, type->process_pkt = usbtouch_process_pkt; usbtouch->data = usb_buffer_alloc(udev, type->rept_size, - SLAB_KERNEL, &usbtouch->data_dma); + GFP_KERNEL, &usbtouch->data_dma); if (!usbtouch->data) goto out_free; diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index ea04dccdc65..fb321864a92 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -213,7 +213,7 @@ static struct urb *simple_alloc_urb ( if (bytes < 0) return NULL; - urb = usb_alloc_urb (0, SLAB_KERNEL); + urb = usb_alloc_urb (0, GFP_KERNEL); if (!urb) return urb; usb_fill_bulk_urb (urb, udev, pipe, NULL, bytes, simple_callback, NULL); @@ -223,7 +223,7 @@ static struct urb *simple_alloc_urb ( urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; if (usb_pipein (pipe)) urb->transfer_flags |= URB_SHORT_NOT_OK; - urb->transfer_buffer = usb_buffer_alloc (udev, bytes, SLAB_KERNEL, + urb->transfer_buffer = usb_buffer_alloc (udev, bytes, GFP_KERNEL, &urb->transfer_dma); if (!urb->transfer_buffer) { usb_free_urb (urb); @@ -315,7 +315,7 @@ static int simple_io ( init_completion (&completion); if (usb_pipeout (urb->pipe)) simple_fill_buf (urb); - if ((retval = usb_submit_urb (urb, SLAB_KERNEL)) != 0) + if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) break; /* NOTE: no timeouts; can't be broken out of by interrupt */ @@ -374,7 +374,7 @@ alloc_sglist (int nents, int max, int vary) unsigned i; unsigned size = max; - sg = kmalloc (nents * sizeof *sg, SLAB_KERNEL); + sg = kmalloc (nents * sizeof *sg, GFP_KERNEL); if (!sg) return NULL; @@ -382,7 +382,7 @@ alloc_sglist (int nents, int max, int vary) char *buf; unsigned j; - buf = kzalloc (size, SLAB_KERNEL); + buf = kzalloc (size, GFP_KERNEL); if (!buf) { free_sglist (sg, i); return NULL; @@ -428,7 +428,7 @@ static int perform_sglist ( (udev->speed == USB_SPEED_HIGH) ? (INTERRUPT_RATE << 3) : INTERRUPT_RATE, - sg, nents, 0, SLAB_KERNEL); + sg, nents, 0, GFP_KERNEL); if (retval) break; @@ -855,7 +855,7 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) * as with bulk/intr sglists, sglen is the queue depth; it also * controls which subtests run (more tests than sglen) or rerun. */ - urb = kcalloc(param->sglen, sizeof(struct urb *), SLAB_KERNEL); + urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); if (!urb) return -ENOMEM; for (i = 0; i < param->sglen; i++) { @@ -981,7 +981,7 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param) if (!u) goto cleanup; - reqp = usb_buffer_alloc (udev, sizeof *reqp, SLAB_KERNEL, + reqp = usb_buffer_alloc (udev, sizeof *reqp, GFP_KERNEL, &u->setup_dma); if (!reqp) goto cleanup; @@ -1067,7 +1067,7 @@ static int unlink1 (struct usbtest_dev *dev, int pipe, int size, int async) * FIXME want additional tests for when endpoint is STALLing * due to errors, or is just NAKing requests. */ - if ((retval = usb_submit_urb (urb, SLAB_KERNEL)) != 0) { + if ((retval = usb_submit_urb (urb, GFP_KERNEL)) != 0) { dev_dbg (&dev->intf->dev, "submit fail %d\n", retval); return retval; } @@ -1251,7 +1251,7 @@ static int ctrl_out (struct usbtest_dev *dev, if (length < 1 || length > 0xffff || vary >= length) return -EINVAL; - buf = kmalloc(length, SLAB_KERNEL); + buf = kmalloc(length, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -1403,7 +1403,7 @@ static struct urb *iso_alloc_urb ( maxp *= 1 + (0x3 & (le16_to_cpu(desc->wMaxPacketSize) >> 11)); packets = (bytes + maxp - 1) / maxp; - urb = usb_alloc_urb (packets, SLAB_KERNEL); + urb = usb_alloc_urb (packets, GFP_KERNEL); if (!urb) return urb; urb->dev = udev; @@ -1411,7 +1411,7 @@ static struct urb *iso_alloc_urb ( urb->number_of_packets = packets; urb->transfer_buffer_length = bytes; - urb->transfer_buffer = usb_buffer_alloc (udev, bytes, SLAB_KERNEL, + urb->transfer_buffer = usb_buffer_alloc (udev, bytes, GFP_KERNEL, &urb->transfer_dma); if (!urb->transfer_buffer) { usb_free_urb (urb); @@ -1900,7 +1900,7 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) } #endif - dev = kzalloc(sizeof(*dev), SLAB_KERNEL); + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; info = (struct usbtest_info *) id->driver_info; @@ -1910,7 +1910,7 @@ usbtest_probe (struct usb_interface *intf, const struct usb_device_id *id) dev->intf = intf; /* cacheline-aligned scratch for i/o */ - if ((dev->buf = kmalloc (TBUF_SIZE, SLAB_KERNEL)) == NULL) { + if ((dev->buf = kmalloc (TBUF_SIZE, GFP_KERNEL)) == NULL) { kfree (dev); return -ENOMEM; } diff --git a/drivers/usb/net/rndis_host.c b/drivers/usb/net/rndis_host.c index c2a28d88ef3..99f26b3e502 100644 --- a/drivers/usb/net/rndis_host.c +++ b/drivers/usb/net/rndis_host.c @@ -469,7 +469,7 @@ static void rndis_unbind(struct usbnet *dev, struct usb_interface *intf) struct rndis_halt *halt; /* try to clear any rndis state/activity (no i/o from stack!) */ - halt = kcalloc(1, sizeof *halt, SLAB_KERNEL); + halt = kcalloc(1, sizeof *halt, GFP_KERNEL); if (halt) { halt->msg_type = RNDIS_MSG_HALT; halt->msg_len = ccpu2(sizeof *halt); diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c index 327f9755567..6e39e998825 100644 --- a/drivers/usb/net/usbnet.c +++ b/drivers/usb/net/usbnet.c @@ -179,9 +179,9 @@ static int init_status (struct usbnet *dev, struct usb_interface *intf) period = max ((int) dev->status->desc.bInterval, (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3); - buf = kmalloc (maxp, SLAB_KERNEL); + buf = kmalloc (maxp, GFP_KERNEL); if (buf) { - dev->interrupt = usb_alloc_urb (0, SLAB_KERNEL); + dev->interrupt = usb_alloc_urb (0, GFP_KERNEL); if (!dev->interrupt) { kfree (buf); return -ENOMEM; -- cgit v1.2.3 From 441e143e95f5aa1e04026cb0aa71c801ba53982f Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:19 -0800 Subject: [PATCH] slab: remove SLAB_DMA SLAB_DMA is an alias of GFP_DMA. This is the last one so we remove the leftover comment too. Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/atm/he.c | 6 +++--- drivers/s390/block/dasd_eckd.c | 2 +- drivers/s390/block/dasd_fba.c | 2 +- drivers/usb/core/buffer.c | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/atm/he.c b/drivers/atm/he.c index ec8a7a633e6..7d9b4e52f0b 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -820,7 +820,7 @@ he_init_group(struct he_dev *he_dev, int group) void *cpuaddr; #ifdef USE_RBPS_POOL - cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|SLAB_DMA, &dma_handle); + cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|GFP_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; #else @@ -884,7 +884,7 @@ he_init_group(struct he_dev *he_dev, int group) void *cpuaddr; #ifdef USE_RBPL_POOL - cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|SLAB_DMA, &dma_handle); + cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|GFP_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; #else @@ -1724,7 +1724,7 @@ __alloc_tpd(struct he_dev *he_dev) struct he_tpd *tpd; dma_addr_t dma_handle; - tpd = pci_pool_alloc(he_dev->tpd_pool, GFP_ATOMIC|SLAB_DMA, &dma_handle); + tpd = pci_pool_alloc(he_dev->tpd_pool, GFP_ATOMIC|GFP_DMA, &dma_handle); if (tpd == NULL) return NULL; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 5ecea3e4fde..fdaa471e845 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1215,7 +1215,7 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req) dst = page_address(bv->bv_page) + bv->bv_offset; if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, - SLAB_DMA | __GFP_NOWARN); + GFP_DMA | __GFP_NOWARN); if (copy && rq_data_dir(req) == WRITE) memcpy(copy + bv->bv_offset, dst, bv->bv_len); if (copy) diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 80926c54822..b857fd5893f 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -308,7 +308,7 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req) dst = page_address(bv->bv_page) + bv->bv_offset; if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, - SLAB_DMA | __GFP_NOWARN); + GFP_DMA | __GFP_NOWARN); if (copy && rq_data_dir(req) == WRITE) memcpy(copy + bv->bv_offset, dst, bv->bv_len); if (copy) diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 840442a25b6..c3915dc2860 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -93,7 +93,7 @@ void hcd_buffer_destroy (struct usb_hcd *hcd) } -/* sometimes alloc/free could use kmalloc with SLAB_DMA, for +/* sometimes alloc/free could use kmalloc with GFP_DMA, for * better sharing and to leverage mm/slab.c intelligence. */ -- cgit v1.2.3 From e18b890bb0881bbab6f4f1a6cd20d9c60d66b003 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 6 Dec 2006 20:33:20 -0800 Subject: [PATCH] slab: remove kmem_cache_t Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/aoe/aoeblk.c | 2 +- drivers/ieee1394/eth1394.c | 2 +- drivers/md/dm-crypt.c | 2 +- drivers/md/dm-mpath.c | 2 +- drivers/md/dm-snap.c | 6 +++--- drivers/md/dm.c | 4 ++-- drivers/md/kcopyd.c | 2 +- drivers/md/raid5.c | 4 ++-- drivers/message/i2o/i2o_block.h | 2 +- drivers/pci/msi.c | 2 +- drivers/s390/block/dasd_devmap.c | 2 +- drivers/s390/block/dasd_int.h | 2 +- drivers/s390/scsi/zfcp_def.h | 6 +++--- drivers/scsi/aic94xx/aic94xx.h | 4 ++-- drivers/scsi/aic94xx/aic94xx_hwi.c | 2 +- drivers/scsi/aic94xx/aic94xx_init.c | 4 ++-- drivers/scsi/libsas/sas_init.c | 2 +- drivers/scsi/qla2xxx/qla_os.c | 2 +- drivers/scsi/qla4xxx/ql4_os.c | 2 +- drivers/scsi/scsi.c | 2 +- drivers/scsi/scsi_lib.c | 4 ++-- drivers/scsi/scsi_tgt_lib.c | 2 +- drivers/usb/host/hc_crisv10.c | 6 +++--- drivers/usb/host/uhci-hcd.c | 2 +- drivers/usb/mon/mon_text.c | 6 +++--- 25 files changed, 38 insertions(+), 38 deletions(-) (limited to 'drivers') diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index aa25f8b09fe..478489c568a 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -12,7 +12,7 @@ #include #include "aoe.h" -static kmem_cache_t *buf_pool_cache; +static struct kmem_cache *buf_pool_cache; static ssize_t aoedisk_show_state(struct gendisk * disk, char *page) { diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 31e5cc49d61..27d6c642415 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -133,7 +133,7 @@ struct eth1394_node_info { #define ETH1394_DRIVER_NAME "eth1394" static const char driver_name[] = ETH1394_DRIVER_NAME; -static kmem_cache_t *packet_task_cache; +static struct kmem_cache *packet_task_cache; static struct hpsb_highlevel eth1394_highlevel; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index ed2d4ef27fd..c7bee4f2eed 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -101,7 +101,7 @@ struct crypt_config { #define MIN_POOL_PAGES 32 #define MIN_BIO_PAGES 8 -static kmem_cache_t *_crypt_io_pool; +static struct kmem_cache *_crypt_io_pool; /* * Different IV generation algorithms: diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index e77ee6fd104..cf8bf052138 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -101,7 +101,7 @@ typedef int (*action_fn) (struct pgpath *pgpath); #define MIN_IOS 256 /* Mempool size */ -static kmem_cache_t *_mpio_cache; +static struct kmem_cache *_mpio_cache; struct workqueue_struct *kmultipathd; static void process_queued_ios(struct work_struct *work); diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 91c7aa1fed0..b0ce2ce8227 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -88,8 +88,8 @@ struct pending_exception { * Hash table mapping origin volumes to lists of snapshots and * a lock to protect it */ -static kmem_cache_t *exception_cache; -static kmem_cache_t *pending_cache; +static struct kmem_cache *exception_cache; +static struct kmem_cache *pending_cache; static mempool_t *pending_pool; /* @@ -228,7 +228,7 @@ static int init_exception_table(struct exception_table *et, uint32_t size) return 0; } -static void exit_exception_table(struct exception_table *et, kmem_cache_t *mem) +static void exit_exception_table(struct exception_table *et, struct kmem_cache *mem) { struct list_head *slot; struct exception *ex, *next; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index fc4f743f3b5..7ec1b112a6d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -121,8 +121,8 @@ struct mapped_device { }; #define MIN_IOS 256 -static kmem_cache_t *_io_cache; -static kmem_cache_t *_tio_cache; +static struct kmem_cache *_io_cache; +static struct kmem_cache *_tio_cache; static int __init local_init(void) { diff --git a/drivers/md/kcopyd.c b/drivers/md/kcopyd.c index b3c01496c73..b46f6c575f7 100644 --- a/drivers/md/kcopyd.c +++ b/drivers/md/kcopyd.c @@ -203,7 +203,7 @@ struct kcopyd_job { /* FIXME: this should scale with the number of pages */ #define MIN_JOBS 512 -static kmem_cache_t *_job_cache; +static struct kmem_cache *_job_cache; static mempool_t *_job_pool; /* diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 69c3e201fa3..52914d5cec7 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -348,7 +348,7 @@ static int grow_one_stripe(raid5_conf_t *conf) static int grow_stripes(raid5_conf_t *conf, int num) { - kmem_cache_t *sc; + struct kmem_cache *sc; int devs = conf->raid_disks; sprintf(conf->cache_name[0], "raid5/%s", mdname(conf->mddev)); @@ -397,7 +397,7 @@ static int resize_stripes(raid5_conf_t *conf, int newsize) LIST_HEAD(newstripes); struct disk_info *ndisks; int err = 0; - kmem_cache_t *sc; + struct kmem_cache *sc; int i; if (newsize <= conf->pool_size) diff --git a/drivers/message/i2o/i2o_block.h b/drivers/message/i2o/i2o_block.h index d9fdc95b440..67f921b4419 100644 --- a/drivers/message/i2o/i2o_block.h +++ b/drivers/message/i2o/i2o_block.h @@ -64,7 +64,7 @@ /* I2O Block OSM mempool struct */ struct i2o_block_mempool { - kmem_cache_t *slab; + struct kmem_cache *slab; mempool_t *pool; }; diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 9fc9a34ef24..9168401401b 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -26,7 +26,7 @@ static DEFINE_SPINLOCK(msi_lock); static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL }; -static kmem_cache_t* msi_cachep; +static struct kmem_cache* msi_cachep; static int pci_msi_enable = 1; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 17fdd8c9f74..cf28ccc5794 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -25,7 +25,7 @@ #include "dasd_int.h" -kmem_cache_t *dasd_page_cache; +struct kmem_cache *dasd_page_cache; EXPORT_SYMBOL_GPL(dasd_page_cache); /* diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 9f52004f6fc..dc5dd509434 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -474,7 +474,7 @@ extern struct dasd_profile_info_t dasd_global_profile; extern unsigned int dasd_profile_level; extern struct block_device_operations dasd_device_operations; -extern kmem_cache_t *dasd_page_cache; +extern struct kmem_cache *dasd_page_cache; struct dasd_ccw_req * dasd_kmalloc_request(char *, int, int, struct dasd_device *); diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 74c0eac083e..32933ed54b8 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -1032,9 +1032,9 @@ struct zfcp_data { wwn_t init_wwpn; fcp_lun_t init_fcp_lun; char *driver_version; - kmem_cache_t *fsf_req_qtcb_cache; - kmem_cache_t *sr_buffer_cache; - kmem_cache_t *gid_pn_cache; + struct kmem_cache *fsf_req_qtcb_cache; + struct kmem_cache *sr_buffer_cache; + struct kmem_cache *gid_pn_cache; }; /** diff --git a/drivers/scsi/aic94xx/aic94xx.h b/drivers/scsi/aic94xx/aic94xx.h index 71a031df7a3..32f513b1b78 100644 --- a/drivers/scsi/aic94xx/aic94xx.h +++ b/drivers/scsi/aic94xx/aic94xx.h @@ -56,8 +56,8 @@ /* 2*ITNL timeout + 1 second */ #define AIC94XX_SCB_TIMEOUT (5*HZ) -extern kmem_cache_t *asd_dma_token_cache; -extern kmem_cache_t *asd_ascb_cache; +extern struct kmem_cache *asd_dma_token_cache; +extern struct kmem_cache *asd_ascb_cache; extern char sas_addr_str[2*SAS_ADDR_SIZE + 1]; static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr) diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c index af7e0113436..da94e126ca8 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.c +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c @@ -1047,7 +1047,7 @@ irqreturn_t asd_hw_isr(int irq, void *dev_id) static inline struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha, gfp_t gfp_flags) { - extern kmem_cache_t *asd_ascb_cache; + extern struct kmem_cache *asd_ascb_cache; struct asd_seq_data *seq = &asd_ha->seq; struct asd_ascb *ascb; unsigned long flags; diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index 42302ef05ee..fbc82b00a41 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -450,8 +450,8 @@ static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) asd_ha->scb_pool = NULL; } -kmem_cache_t *asd_dma_token_cache; -kmem_cache_t *asd_ascb_cache; +struct kmem_cache *asd_dma_token_cache; +struct kmem_cache *asd_ascb_cache; static int asd_create_global_caches(void) { diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index d65bc4e0f21..2f0c07fc3f4 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -36,7 +36,7 @@ #include "../scsi_sas_internal.h" -kmem_cache_t *sas_task_cache; +struct kmem_cache *sas_task_cache; /*------------ SAS addr hash -----------*/ void sas_hash_addr(u8 *hashed, const u8 *sas_addr) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index cbe0cad83b6..d03523d3bf3 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -24,7 +24,7 @@ char qla2x00_version_str[40]; /* * SRB allocation cache */ -static kmem_cache_t *srb_cachep; +static struct kmem_cache *srb_cachep; /* * Ioctl related information. diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 969c9e43102..9ef693c8809 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -19,7 +19,7 @@ char qla4xxx_version_str[40]; /* * SRB allocation cache */ -static kmem_cache_t *srb_cachep; +static struct kmem_cache *srb_cachep; /* * Module parameter information and variables diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index fafc00deaad..24cffd98ee6 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -136,7 +136,7 @@ const char * scsi_device_type(unsigned type) EXPORT_SYMBOL(scsi_device_type); struct scsi_host_cmd_pool { - kmem_cache_t *slab; + struct kmem_cache *slab; unsigned int users; char *name; unsigned int slab_flags; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index fb616c69151..1748e27501c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -36,7 +36,7 @@ struct scsi_host_sg_pool { size_t size; char *name; - kmem_cache_t *slab; + struct kmem_cache *slab; mempool_t *pool; }; @@ -241,7 +241,7 @@ struct scsi_io_context { char sense[SCSI_SENSE_BUFFERSIZE]; }; -static kmem_cache_t *scsi_io_context_cache; +static struct kmem_cache *scsi_io_context_cache; static void scsi_end_async(struct request *req, int uptodate) { diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 386dbae17b4..d402aff5f31 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -33,7 +33,7 @@ #include "scsi_tgt_priv.h" static struct workqueue_struct *scsi_tgtd; -static kmem_cache_t *scsi_tgt_cmd_cache; +static struct kmem_cache *scsi_tgt_cmd_cache; /* * TODO: this struct will be killed when the block layer supports large bios diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c index 7fd872aa654..9325e46a68c 100644 --- a/drivers/usb/host/hc_crisv10.c +++ b/drivers/usb/host/hc_crisv10.c @@ -275,13 +275,13 @@ static volatile USB_SB_Desc_t TxIntrSB_zout __attribute__ ((aligned (4))); static int zout_buffer[4] __attribute__ ((aligned (4))); /* Cache for allocating new EP and SB descriptors. */ -static kmem_cache_t *usb_desc_cache; +static struct kmem_cache *usb_desc_cache; /* Cache for the registers allocated in the top half. */ -static kmem_cache_t *top_half_reg_cache; +static struct kmem_cache *top_half_reg_cache; /* Cache for the data allocated in the isoc descr top half. */ -static kmem_cache_t *isoc_compl_cache; +static struct kmem_cache *isoc_compl_cache; static struct usb_bus *etrax_usb_bus; diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 226bf3de8ed..e87692c31be 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -81,7 +81,7 @@ MODULE_PARM_DESC(debug, "Debug level"); static char *errbuf; #define ERRBUF_LEN (32 * 1024) -static kmem_cache_t *uhci_up_cachep; /* urb_priv */ +static struct kmem_cache *uhci_up_cachep; /* urb_priv */ static void suspend_rh(struct uhci_hcd *uhci, enum uhci_rh_state new_state); static void wakeup_rh(struct uhci_hcd *uhci); diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index 46aecc8754f..05cf2c9a8f8 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -50,7 +50,7 @@ struct mon_event_text { #define SLAB_NAME_SZ 30 struct mon_reader_text { - kmem_cache_t *e_slab; + struct kmem_cache *e_slab; int nevents; struct list_head e_list; struct mon_reader r; /* In C, parent class can be placed anywhere */ @@ -63,7 +63,7 @@ struct mon_reader_text { char slab_name[SLAB_NAME_SZ]; }; -static void mon_text_ctor(void *, kmem_cache_t *, unsigned long); +static void mon_text_ctor(void *, struct kmem_cache *, unsigned long); /* * mon_text_submit @@ -450,7 +450,7 @@ const struct file_operations mon_fops_text = { /* * Slab interface: constructor. */ -static void mon_text_ctor(void *mem, kmem_cache_t *slab, unsigned long sflags) +static void mon_text_ctor(void *mem, struct kmem_cache *slab, unsigned long sflags) { /* * Nothing to initialize. No, really! -- cgit v1.2.3 From 7dfb71030f7636a0d65200158113c37764552f93 Mon Sep 17 00:00:00 2001 From: Nigel Cunningham Date: Wed, 6 Dec 2006 20:34:23 -0800 Subject: [PATCH] Add include/linux/freezer.h and move definitions from sched.h Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham Cc: "Rafael J. Wysocki" Cc: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/pktcdvd.c | 2 +- drivers/char/hvc_console.c | 1 + drivers/edac/edac_mc.c | 1 + drivers/ieee1394/nodemgr.c | 1 + drivers/input/gameport/gameport.c | 1 + drivers/input/serio/serio.c | 1 + drivers/macintosh/therm_adt746x.c | 1 + drivers/macintosh/via-pmu.c | 2 +- drivers/macintosh/windfarm_core.c | 1 + drivers/md/md.c | 2 +- drivers/media/dvb/dvb-core/dvb_frontend.c | 2 +- drivers/media/video/msp3400-driver.c | 2 +- drivers/media/video/tvaudio.c | 1 + drivers/media/video/video-buf-dvb.c | 2 +- drivers/media/video/vivi.c | 1 + drivers/mfd/ucb1x00-ts.c | 2 +- drivers/net/irda/stir4200.c | 1 + drivers/net/wireless/airo.c | 1 + drivers/pcmcia/cs.c | 1 + drivers/pnp/pnpbios/core.c | 1 + drivers/usb/atm/ueagle-atm.c | 2 ++ drivers/usb/core/hub.c | 1 + drivers/usb/gadget/file_storage.c | 2 +- drivers/usb/storage/usb.c | 2 +- drivers/w1/w1.c | 1 + 25 files changed, 26 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index f2904f67af4..e45eaa26411 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -54,7 +54,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 9902ffad3b1..cc2cd46bedc 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -38,6 +38,7 @@ #include #include #include +#include #include diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 75e9e38330f..1b4fc922180 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 8e7b83f8448..e829c9336b3 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include "csr.h" diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index a0af97efe6a..79dfb4b25c9 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -23,6 +23,7 @@ #include #include /* HZ */ #include +#include /*#include */ diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 211943f85cb..5f1d4032fd5 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -35,6 +35,7 @@ #include #include #include +#include MODULE_AUTHOR("Vojtech Pavlik "); MODULE_DESCRIPTION("Serio abstraction core"); diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index 13b953ae8eb..3d3bf1643e7 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index e63ea1c1f3c..c8558d4ed50 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -42,7 +42,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c index ab3faa702d5..e947af982f9 100644 --- a/drivers/macintosh/windfarm_core.c +++ b/drivers/macintosh/windfarm_core.c @@ -34,6 +34,7 @@ #include #include #include +#include #include diff --git a/drivers/md/md.c b/drivers/md/md.c index 8cbf9c9df1c..6c4345bde07 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -39,10 +39,10 @@ #include #include #include /* for invalidate_bdev */ -#include #include #include #include +#include #include diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index a2ab2eebfc6..e85972222ab 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -34,7 +34,7 @@ #include #include #include -#include +#include #include #include diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c index cf43df3fe70..e1b56dc13c3 100644 --- a/drivers/media/video/msp3400-driver.c +++ b/drivers/media/video/msp3400-driver.c @@ -56,7 +56,7 @@ #include #include #include -#include +#include #include "msp3400-driver.h" /* ---------------------------------------------------------------------- */ diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index fcaef4bf828..d506dfaa45a 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include diff --git a/drivers/media/video/video-buf-dvb.c b/drivers/media/video/video-buf-dvb.c index f53edf1923b..fcc5467e763 100644 --- a/drivers/media/video/video-buf-dvb.c +++ b/drivers/media/video/video-buf-dvb.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include #include diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 3c8dc72dc8e..9986de5cb3d 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -36,6 +36,7 @@ #include #include #include +#include /* Wake up at about 30 fps */ #define WAKE_NUMERATOR 30 diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index 82938ad6ddb..ce1a4810821 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -28,7 +28,7 @@ #include #include #include -#include +#include #include #include diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index 3b4c4787593..c14a74634fd 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -50,6 +50,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index efcdaf1c5f7..44a22701da9 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -49,6 +49,7 @@ #include #include #include +#include #include "airo.h" diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index f9cd831a3f3..606a4674033 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 81a6c83d89a..81186f479a3 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -61,6 +61,7 @@ #include #include #include +#include #include #include diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index f2d196fa1e8..dae4ef1e8fe 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -64,6 +64,8 @@ #include #include #include +#include + #include #include "usbatm.h" diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 77c05be5241..2651c2e2a89 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 8b975d15538..c98316ce838 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -250,7 +250,7 @@ #include #include #include -#include +#include #include #include diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index b401084b3d2..70644506651 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -49,7 +49,7 @@ #include #include -#include +#include #include #include #include diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index de3e9791f80..63c07243993 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -31,6 +31,7 @@ #include #include #include +#include #include -- cgit v1.2.3 From 9d827c9e8a9d8592167ac3fdc3a50544c86302b1 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:34:58 -0800 Subject: [PATCH] cciss: version change Change the cciss version number to 3.6.14 to reflect the following functionality changes added by the rest of the set. They include: - Support to fire up on any HP RAID class controller - Increase nr_cmds to 512 for most controllers by adding it to the product table - PCI subsystem ID fix fix was pulled - Disable DMA prefetch for the P600 on IPF platforms - Change from 512 to 2048 sector_size for performance - Fix in cciss_open for consistency - Remove the no longer used revalidate_allvol function - Bug fix for busy configuring - Support for more than 16 logical volumes - Cleanups in cciss_interrupt_mode - Fix for iostats, it's been broken for several kernel releases Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 4105c3bf347..0af6f356fba 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -47,14 +47,15 @@ #include #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin)) -#define DRIVER_NAME "HP CISS Driver (v 3.6.10)" -#define DRIVER_VERSION CCISS_DRIVER_VERSION(3,6,10) +#define DRIVER_NAME "HP CISS Driver (v 3.6.14)" +#define DRIVER_VERSION CCISS_DRIVER_VERSION(3,6,14) /* Embedded module documentation macros - see modules.h */ MODULE_AUTHOR("Hewlett-Packard Company"); -MODULE_DESCRIPTION("Driver for HP Controller SA5xxx SA6xxx version 3.6.10"); +MODULE_DESCRIPTION("Driver for HP Controller SA5xxx SA6xxx version 3.6.14"); MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400" " SA6i P600 P800 P400 P400i E200 E200i E500"); +MODULE_VERSION("3.6.14"); MODULE_LICENSE("GPL"); #include "cciss_cmd.h" -- cgit v1.2.3 From 4ff9a9a4baff2627d7bcf65d0ec07d647bc1ad29 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:00 -0800 Subject: [PATCH] cciss: reference driver support Add the support to fire up on any HP RAID class device that has a valid cciss signature. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 0af6f356fba..d1f65def8eb 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -83,6 +83,8 @@ static const struct pci_device_id cciss_pci_device_id[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3214}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3215}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3233}, + {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, {0,} }; @@ -112,6 +114,7 @@ static struct board_type products[] = { {0x3214103C, "Smart Array E200i", &SA5_access}, {0x3215103C, "Smart Array E200i", &SA5_access}, {0x3233103C, "Smart Array E500", &SA5_access}, + {0xFFFF103C, "Unknown Smart Array", &SA5_access}, }; /* How long to wait (in milliseconds) for board to go into simple mode */ @@ -2960,13 +2963,6 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) break; } } - if (i == ARRAY_SIZE(products)) { - printk(KERN_WARNING "cciss: Sorry, I don't know how" - " to access the Smart Array controller %08lx\n", - (unsigned long)board_id); - err = -ENODEV; - goto err_out_free_res; - } if ((readb(&c->cfgtable->Signature[0]) != 'C') || (readb(&c->cfgtable->Signature[1]) != 'I') || (readb(&c->cfgtable->Signature[2]) != 'S') || @@ -2975,6 +2971,26 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) err = -ENODEV; goto err_out_free_res; } + /* We didn't find the controller in our list. We know the + * signature is valid. If it's an HP device let's try to + * bind to the device and fire it up. Otherwise we bail. + */ + if (i == ARRAY_SIZE(products)) { + if (subsystem_vendor_id == PCI_VENDOR_ID_HP) { + c->product_name = products[i-1].product_name; + c->access = *(products[i-1].access); + printk(KERN_WARNING "cciss: This is an unknown " + "Smart Array controller.\n" + "cciss: Please update to the latest driver " + "available from www.hp.com.\n"); + } else { + printk(KERN_WARNING "cciss: Sorry, I don't know how" + " to access the Smart Array controller %08lx\n" + , (unsigned long)board_id); + err = -ENODEV; + goto err_out_free_res; + } + } #ifdef CONFIG_X86 { /* Need to enable prefetch in the SCSI core for 6400 in x86 */ -- cgit v1.2.3 From f880632f963c3611d096d9373d16663c076310c7 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:01 -0800 Subject: [PATCH] cciss: increase number of commands on controller Remove #define NR_CMDS and replace it w/hba[i]->nr_cmds. Most Smart Array controllers can support up to 1024 commands but the E200 family can only support 128. To prevent annoying "fifo full" messages we define nr_cmds on a per controller basis by adding it the product table. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 74 ++++++++++++++++++++++++++------------------------- drivers/block/cciss.h | 2 ++ 2 files changed, 40 insertions(+), 36 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index d1f65def8eb..0f976aaaf04 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -93,28 +93,29 @@ MODULE_DEVICE_TABLE(pci, cciss_pci_device_id); /* board_id = Subsystem Device ID & Vendor ID * product = Marketing Name for the board * access = Address of the struct of function pointers + * nr_cmds = Number of commands supported by controller */ static struct board_type products[] = { - {0x40700E11, "Smart Array 5300", &SA5_access}, - {0x40800E11, "Smart Array 5i", &SA5B_access}, - {0x40820E11, "Smart Array 532", &SA5B_access}, - {0x40830E11, "Smart Array 5312", &SA5B_access}, - {0x409A0E11, "Smart Array 641", &SA5_access}, - {0x409B0E11, "Smart Array 642", &SA5_access}, - {0x409C0E11, "Smart Array 6400", &SA5_access}, - {0x409D0E11, "Smart Array 6400 EM", &SA5_access}, - {0x40910E11, "Smart Array 6i", &SA5_access}, - {0x3225103C, "Smart Array P600", &SA5_access}, - {0x3223103C, "Smart Array P800", &SA5_access}, - {0x3234103C, "Smart Array P400", &SA5_access}, - {0x3235103C, "Smart Array P400i", &SA5_access}, - {0x3211103C, "Smart Array E200i", &SA5_access}, - {0x3212103C, "Smart Array E200", &SA5_access}, - {0x3213103C, "Smart Array E200i", &SA5_access}, - {0x3214103C, "Smart Array E200i", &SA5_access}, - {0x3215103C, "Smart Array E200i", &SA5_access}, - {0x3233103C, "Smart Array E500", &SA5_access}, - {0xFFFF103C, "Unknown Smart Array", &SA5_access}, + {0x40700E11, "Smart Array 5300", &SA5_access, 512}, + {0x40800E11, "Smart Array 5i", &SA5B_access, 512}, + {0x40820E11, "Smart Array 532", &SA5B_access, 512}, + {0x40830E11, "Smart Array 5312", &SA5B_access, 512}, + {0x409A0E11, "Smart Array 641", &SA5_access, 512}, + {0x409B0E11, "Smart Array 642", &SA5_access, 512}, + {0x409C0E11, "Smart Array 6400", &SA5_access, 512}, + {0x409D0E11, "Smart Array 6400 EM", &SA5_access, 512}, + {0x40910E11, "Smart Array 6i", &SA5_access, 512}, + {0x3225103C, "Smart Array P600", &SA5_access, 512}, + {0x3223103C, "Smart Array P800", &SA5_access, 512}, + {0x3234103C, "Smart Array P400", &SA5_access, 512}, + {0x3235103C, "Smart Array P400i", &SA5_access, 512}, + {0x3211103C, "Smart Array E200i", &SA5_access, 120}, + {0x3212103C, "Smart Array E200", &SA5_access, 120}, + {0x3213103C, "Smart Array E200i", &SA5_access, 120}, + {0x3214103C, "Smart Array E200i", &SA5_access, 120}, + {0x3215103C, "Smart Array E200i", &SA5_access, 120}, + {0x3233103C, "Smart Array E500", &SA5_access, 512}, + {0xFFFF103C, "Unknown Smart Array", &SA5_access, 120}, }; /* How long to wait (in milliseconds) for board to go into simple mode */ @@ -125,7 +126,6 @@ static struct board_type products[] = { #define MAX_CMD_RETRIES 3 #define READ_AHEAD 1024 -#define NR_CMDS 384 /* #commands that can be outstanding */ #define MAX_CTLR 32 /* Originally cciss driver only supports 8 major numbers */ @@ -404,8 +404,8 @@ static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool) } else { /* get it out of the controllers pool */ do { - i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS); - if (i == NR_CMDS) + i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds); + if (i == h->nr_cmds) return NULL; } while (test_and_set_bit (i & (BITS_PER_LONG - 1), @@ -1247,7 +1247,7 @@ static void cciss_check_queues(ctlr_info_t *h) * in case the interrupt we serviced was from an ioctl and did not * free any new commands. */ - if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) + if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds) return; /* We have room on the queue for more commands. Now we need to queue @@ -1266,7 +1266,7 @@ static void cciss_check_queues(ctlr_info_t *h) /* check to see if we have maxed out the number of commands * that can be placed on the queue. */ - if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) { + if ((find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds)) == h->nr_cmds) { if (curr_queue == start_queue) { h->next_to_run = (start_queue + 1) % (h->highest_lun + 1); @@ -2140,7 +2140,7 @@ static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete) /* We've sent down an abort or reset, but something else has completed */ - if (srl->ncompletions >= (NR_CMDS + 2)) { + if (srl->ncompletions >= (hba[ctlr]->nr_cmds + 2)) { /* Uh oh. No room to save it for later... */ printk(KERN_WARNING "cciss%d: Sendcmd: Invalid command addr, " "reject list overflow, command lost!\n", ctlr); @@ -2677,7 +2677,7 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id) a1 = a; if ((a & 0x04)) { a2 = (a >> 3); - if (a2 >= NR_CMDS) { + if (a2 >= h->nr_cmds) { printk(KERN_WARNING "cciss: controller cciss%d failed, stopping.\n", h->ctlr); @@ -2960,6 +2960,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) if (board_id == products[i].board_id) { c->product_name = products[i].product_name; c->access = *(products[i].access); + c->nr_cmds = products[i].nr_cmds; break; } } @@ -2979,6 +2980,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) if (subsystem_vendor_id == PCI_VENDOR_ID_HP) { c->product_name = products[i-1].product_name; c->access = *(products[i-1].access); + c->nr_cmds = products[i-1].nr_cmds; printk(KERN_WARNING "cciss: This is an unknown " "Smart Array controller.\n" "cciss: Please update to the latest driver " @@ -3286,15 +3288,15 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not"); hba[i]->cmd_pool_bits = - kmalloc(((NR_CMDS + BITS_PER_LONG - + kmalloc(((hba[i]->nr_cmds + BITS_PER_LONG - 1) / BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL); hba[i]->cmd_pool = (CommandList_struct *) pci_alloc_consistent(hba[i]->pdev, - NR_CMDS * sizeof(CommandList_struct), + hba[i]->nr_cmds * sizeof(CommandList_struct), &(hba[i]->cmd_pool_dhandle)); hba[i]->errinfo_pool = (ErrorInfo_struct *) pci_alloc_consistent(hba[i]->pdev, - NR_CMDS * sizeof(ErrorInfo_struct), + hba[i]->nr_cmds * sizeof(ErrorInfo_struct), &(hba[i]->errinfo_pool_dhandle)); if ((hba[i]->cmd_pool_bits == NULL) || (hba[i]->cmd_pool == NULL) @@ -3305,7 +3307,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, #ifdef CONFIG_CISS_SCSI_TAPE hba[i]->scsi_rejects.complete = kmalloc(sizeof(hba[i]->scsi_rejects.complete[0]) * - (NR_CMDS + 5), GFP_KERNEL); + (hba[i]->nr_cmds + 5), GFP_KERNEL); if (hba[i]->scsi_rejects.complete == NULL) { printk(KERN_ERR "cciss: out of memory"); goto clean4; @@ -3319,7 +3321,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, /* command and error info recs zeroed out before they are used */ memset(hba[i]->cmd_pool_bits, 0, - ((NR_CMDS + BITS_PER_LONG - + ((hba[i]->nr_cmds + BITS_PER_LONG - 1) / BITS_PER_LONG) * sizeof(unsigned long)); #ifdef CCISS_DEBUG @@ -3388,11 +3390,11 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, kfree(hba[i]->cmd_pool_bits); if (hba[i]->cmd_pool) pci_free_consistent(hba[i]->pdev, - NR_CMDS * sizeof(CommandList_struct), + hba[i]->nr_cmds * sizeof(CommandList_struct), hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); if (hba[i]->errinfo_pool) pci_free_consistent(hba[i]->pdev, - NR_CMDS * sizeof(ErrorInfo_struct), + hba[i]->nr_cmds * sizeof(ErrorInfo_struct), hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle); free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]); @@ -3459,9 +3461,9 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) } } - pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof(CommandList_struct), + pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct), hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); - pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof(ErrorInfo_struct), + pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(ErrorInfo_struct), hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle); kfree(hba[i]->cmd_pool_bits); #ifdef CONFIG_CISS_SCSI_TAPE diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index 562235c1445..0d765f9237b 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -60,6 +60,7 @@ struct ctlr_info __u32 board_id; void __iomem *vaddr; unsigned long paddr; + int nr_cmds; /* Number of commands allowed on this controller */ CfgTable_struct __iomem *cfgtable; int interrupts_enabled; int major; @@ -282,6 +283,7 @@ struct board_type { __u32 board_id; char *product_name; struct access_method *access; + int nr_cmds; /* Max cmds this kind of ctlr can handle. */ }; #define CCISS_LOCK(i) (&hba[i]->lock) -- cgit v1.2.3 From de9239167158c0210c5b9a709d67cea1b6f8ae56 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:03 -0800 Subject: [PATCH] cciss: fix pci ssid for the E500 controller Change the SSID on the E500 as a workaround for a firmware bug. It looks like the original patch was backed out between rc2 and rc4. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 0f976aaaf04..4899ab27f78 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -82,7 +82,7 @@ static const struct pci_device_id cciss_pci_device_id[] = { {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3213}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3214}, {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 0x103C, 0x3215}, - {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3233}, + {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 0x103C, 0x3237}, {PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0}, {0,} @@ -114,7 +114,7 @@ static struct board_type products[] = { {0x3213103C, "Smart Array E200i", &SA5_access, 120}, {0x3214103C, "Smart Array E200i", &SA5_access, 120}, {0x3215103C, "Smart Array E200i", &SA5_access, 120}, - {0x3233103C, "Smart Array E500", &SA5_access, 512}, + {0x3237103C, "Smart Array E500", &SA5_access, 512}, {0xFFFF103C, "Unknown Smart Array", &SA5_access, 120}, }; -- cgit v1.2.3 From f92e2f5f889803306e50c06e17ee330403e91b8d Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:04 -0800 Subject: [PATCH] cciss: disable DMA prefetch on P600 Unconditionally disable DMA prefetch on the P600 controller. An ASIC bug may result in prefetching beyond the end of physical memory. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 11 +++++++++++ drivers/block/cciss_cmd.h | 1 + 2 files changed, 12 insertions(+) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 4899ab27f78..a17223c43ae 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -3003,6 +3003,17 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev) } #endif + /* Disabling DMA prefetch for the P600 + * An ASIC bug may result in a prefetch beyond + * physical memory. + */ + if(board_id == 0x3225103C) { + __u32 dma_prefetch; + dma_prefetch = readl(c->vaddr + I2O_DMA1_CFG); + dma_prefetch |= 0x8000; + writel(dma_prefetch, c->vaddr + I2O_DMA1_CFG); + } + #ifdef CCISS_DEBUG printk("Trying to put board into Simple mode\n"); #endif /* CCISS_DEBUG */ diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index 4af7c4c0c7a..b2147cca5ac 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -55,6 +55,7 @@ #define I2O_INT_MASK 0x34 #define I2O_IBPOST_Q 0x40 #define I2O_OBPOST_Q 0x44 +#define I2O_DMA1_CFG 0x214 //Configuration Table #define CFGTBL_ChangeReq 0x00000001l -- cgit v1.2.3 From 92c4231aef720bd5e1d634d2f7335f31277318da Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:06 -0800 Subject: [PATCH] cciss: set sector_size to 2048 for performance Change the blk_queue_max_sectors from 512 to 2048. This helps increase performance. [akpm@osdl.org: s/sector_size/max_sectors/] Signed-off-by: Mike Miller Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 12 +++++++++--- drivers/block/cciss.h | 1 + 2 files changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index a17223c43ae..e61279f6f26 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -269,6 +269,7 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset, "Firmware Version: %c%c%c%c\n" "IRQ: %d\n" "Logical drives: %d\n" + "Max sectors: %d\n" "Current Q depth: %d\n" "Current # commands on controller: %d\n" "Max Q depth since init: %d\n" @@ -279,7 +280,9 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset, (unsigned long)h->board_id, h->firm_ver[0], h->firm_ver[1], h->firm_ver[2], h->firm_ver[3], (unsigned int)h->intr[SIMPLE_MODE_INT], - h->num_luns, h->Qdepth, h->commands_outstanding, + h->num_luns, + h->cciss_max_sectors, + h->Qdepth, h->commands_outstanding, h->maxQsinceinit, h->max_outstanding, h->maxSG); pos += size; @@ -1395,7 +1398,7 @@ static void cciss_update_drive_info(int ctlr, int drv_index) /* This is a limit in the driver and could be eliminated. */ blk_queue_max_phys_segments(disk->queue, MAXSGENTRIES); - blk_queue_max_sectors(disk->queue, 512); + blk_queue_max_sectors(disk->queue, h->cciss_max_sectors); blk_queue_softirq_done(disk->queue, cciss_softirq_done); @@ -3347,6 +3350,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON); cciss_procinit(i); + + hba[i]->cciss_max_sectors = 2048; + hba[i]->busy_initializing = 0; for (j = 0; j < NWD; j++) { /* mfm */ @@ -3371,7 +3377,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, /* This is a limit in the driver and could be eliminated. */ blk_queue_max_phys_segments(q, MAXSGENTRIES); - blk_queue_max_sectors(q, 512); + blk_queue_max_sectors(q, hba[i]->cciss_max_sectors); blk_queue_softirq_done(q, cciss_softirq_done); diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index 0d765f9237b..c3df673f860 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -77,6 +77,7 @@ struct ctlr_info unsigned int intr[4]; unsigned int msix_vector; unsigned int msi_vector; + int cciss_max_sectors; BYTE cciss_read; BYTE cciss_write; BYTE cciss_read_capacity; -- cgit v1.2.3 From 7a06f789e0a1b46e4ed2a68f885cbe5ff74a34d6 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:08 -0800 Subject: [PATCH] cciss: change cciss_open for consistency Change our open to test for drv->heads like we do in other places in the driver. Mostly for consistency. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index e61279f6f26..c8343051be9 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -494,7 +494,7 @@ static int cciss_open(struct inode *inode, struct file *filep) * but I'm already using way to many device nodes to claim another one * for "raw controller". */ - if (drv->nr_blocks == 0) { + if (drv->heads == 0) { if (iminor(inode) != 0) { /* not node 0? */ /* if not node 0 make sure it is a partition = 0 */ if (iminor(inode) & 0x0f) { -- cgit v1.2.3 From 3833a748aa75dd39494bb861ab018216b0a2c14e Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:10 -0800 Subject: [PATCH] cciss: remove unused revalidate_allvol function Remove the no longer used revalidate_allvol function. It was replaced by rebuild_lun_table. Signed-off-by: Mike Miller Acked-by: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 74 +-------------------------------------------------- 1 file changed, 1 insertion(+), 73 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index c8343051be9..70cf9321ef5 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -141,7 +141,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg); static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo); -static int revalidate_allvol(ctlr_info_t *host); static int cciss_revalidate(struct gendisk *disk); static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk); static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, @@ -857,9 +856,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, } case CCISS_REVALIDVOLS: - if (bdev != bdev->bd_contains || drv != host->drv) - return -ENXIO; - return revalidate_allvol(host); + return rebuild_lun_table(host, NULL); case CCISS_GETLUNINFO:{ LogvolInfo_struct luninfo; @@ -1159,75 +1156,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, } } -/* - * revalidate_allvol is for online array config utilities. After a - * utility reconfigures the drives in the array, it can use this function - * (through an ioctl) to make the driver zap any previous disk structs for - * that controller and get new ones. - * - * Right now I'm using the getgeometry() function to do this, but this - * function should probably be finer grained and allow you to revalidate one - * particular logical volume (instead of all of them on a particular - * controller). - */ -static int revalidate_allvol(ctlr_info_t *host) -{ - int ctlr = host->ctlr, i; - unsigned long flags; - - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); - if (host->usage_count > 1) { - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - printk(KERN_WARNING "cciss: Device busy for volume" - " revalidation (usage=%d)\n", host->usage_count); - return -EBUSY; - } - host->usage_count++; - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); - - for (i = 0; i < NWD; i++) { - struct gendisk *disk = host->gendisk[i]; - if (disk) { - request_queue_t *q = disk->queue; - - if (disk->flags & GENHD_FL_UP) - del_gendisk(disk); - if (q) - blk_cleanup_queue(q); - } - } - - /* - * Set the partition and block size structures for all volumes - * on this controller to zero. We will reread all of this data - */ - memset(host->drv, 0, sizeof(drive_info_struct) - * CISS_MAX_LUN); - /* - * Tell the array controller not to give us any interrupts while - * we check the new geometry. Then turn interrupts back on when - * we're done. - */ - host->access.set_intr_mask(host, CCISS_INTR_OFF); - cciss_getgeometry(ctlr); - host->access.set_intr_mask(host, CCISS_INTR_ON); - - /* Loop through each real device */ - for (i = 0; i < NWD; i++) { - struct gendisk *disk = host->gendisk[i]; - drive_info_struct *drv = &(host->drv[i]); - /* we must register the controller even if no disks exist */ - /* this is for the online array utilities */ - if (!drv->heads && i) - continue; - blk_queue_hardsect_size(drv->queue, drv->block_size); - set_capacity(disk, drv->nr_blocks); - add_disk(disk); - } - host->usage_count--; - return 0; -} - static inline void complete_buffers(struct bio *bio, int status) { while (bio) { -- cgit v1.2.3 From 799202cbd0ef6a201446d99fcbd78b9f0bda6ae5 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:12 -0800 Subject: [PATCH] cciss: add support for 1024 logical volumes Add the support for a large number of logical volumes. We will soon have hardware that support up to 1024 logical volumes. Signed-off-by: Mike Miller Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 114 +++++++++++++++++++++++++++++++--------------- drivers/block/cciss.h | 3 +- drivers/block/cciss_cmd.h | 2 +- 3 files changed, 79 insertions(+), 40 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 70cf9321ef5..c99cb7ed57f 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1315,6 +1315,11 @@ static void cciss_update_drive_info(int ctlr, int drv_index) /* if it's the controller it's already added */ if (drv_index) { disk->queue = blk_init_queue(do_cciss_request, &h->lock); + sprintf(disk->disk_name, "cciss/c%dd%d", ctlr, drv_index); + disk->major = h->major; + disk->first_minor = drv_index << NWD_SHIFT; + disk->fops = &cciss_fops; + disk->private_data = &h->drv[drv_index]; /* Set up queue information */ disk->queue->backing_dev_info.ra_pages = READ_AHEAD; @@ -1393,11 +1398,6 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk) /* Set busy_configuring flag for this operation */ spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); - if (h->num_luns >= CISS_MAX_LUN) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); - return -EINVAL; - } - if (h->busy_configuring) { spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); return -EBUSY; @@ -1430,17 +1430,8 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk) 0, 0, TYPE_CMD); if (return_code == IO_OK) { - listlength |= - (0xff & (unsigned int)(ld_buff->LUNListLength[0])) - << 24; - listlength |= - (0xff & (unsigned int)(ld_buff->LUNListLength[1])) - << 16; - listlength |= - (0xff & (unsigned int)(ld_buff->LUNListLength[2])) - << 8; - listlength |= - 0xff & (unsigned int)(ld_buff->LUNListLength[3]); + listlength = + be32_to_cpu(*(__u32 *) ld_buff->LUNListLength); } else { /* reading number of logical volumes failed */ printk(KERN_WARNING "cciss: report logical volume" " command failed\n"); @@ -1491,6 +1482,14 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk) if (drv_index == -1) goto freeret; + /*Check if the gendisk needs to be allocated */ + if (!h->gendisk[drv_index]){ + h->gendisk[drv_index] = alloc_disk(1 << NWD_SHIFT); + if (!h->gendisk[drv_index]){ + printk(KERN_ERR "cciss: could not allocate new disk %d\n", drv_index); + goto mem_msg; + } + } } h->drv[drv_index].LunID = lunid; cciss_update_drive_info(ctlr, drv_index); @@ -1528,6 +1527,7 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk) static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, int clear_all) { + int i; ctlr_info_t *h = get_host(disk); if (!capable(CAP_SYS_RAWIO)) @@ -1551,9 +1551,35 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, del_gendisk(disk); if (q) { blk_cleanup_queue(q); + /* Set drv->queue to NULL so that we do not try + * to call blk_start_queue on this queue in the + * interrupt handler + */ drv->queue = NULL; } + /* If clear_all is set then we are deleting the logical + * drive, not just refreshing its info. For drives + * other than disk 0 we will call put_disk. We do not + * do this for disk 0 as we need it to be able to + * configure the controller. + */ + if (clear_all){ + /* This isn't pretty, but we need to find the + * disk in our array and NULL our the pointer. + * This is so that we will call alloc_disk if + * this index is used again later. + */ + for (i=0; i < CISS_MAX_LUN; i++){ + if(h->gendisk[i] == disk){ + h->gendisk[i] = NULL; + break; + } + } + put_disk(disk); + } } + } else { + set_capacity(disk, 0); } --h->num_luns; @@ -3119,13 +3145,7 @@ geo_inq: /* Returns -1 if no free entries are left. */ static int alloc_cciss_hba(void) { - struct gendisk *disk[NWD]; - int i, n; - for (n = 0; n < NWD; n++) { - disk[n] = alloc_disk(1 << NWD_SHIFT); - if (!disk[n]) - goto out; - } + int i; for (i = 0; i < MAX_CTLR; i++) { if (!hba[i]) { @@ -3133,20 +3153,18 @@ static int alloc_cciss_hba(void) p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); if (!p) goto Enomem; - for (n = 0; n < NWD; n++) - p->gendisk[n] = disk[n]; + p->gendisk[0] = alloc_disk(1 << NWD_SHIFT); + if (!p->gendisk[0]) + goto Enomem; hba[i] = p; return i; } } printk(KERN_WARNING "cciss: This driver supports a maximum" " of %d controllers.\n", MAX_CTLR); - goto out; - Enomem: + return -1; +Enomem: printk(KERN_ERR "cciss: out of memory.\n"); - out: - while (n--) - put_disk(disk[n]); return -1; } @@ -3156,7 +3174,7 @@ static void free_hba(int i) int n; hba[i] = NULL; - for (n = 0; n < NWD; n++) + for (n = 0; n < CISS_MAX_LUN; n++) put_disk(p->gendisk[n]); kfree(p); } @@ -3169,9 +3187,8 @@ static void free_hba(int i) static int __devinit cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - request_queue_t *q; int i; - int j; + int j = 0; int rc; int dac; @@ -3283,16 +3300,29 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, hba[i]->busy_initializing = 0; - for (j = 0; j < NWD; j++) { /* mfm */ + do { drive_info_struct *drv = &(hba[i]->drv[j]); struct gendisk *disk = hba[i]->gendisk[j]; + request_queue_t *q; + + /* Check if the disk was allocated already */ + if (!disk){ + hba[i]->gendisk[j] = alloc_disk(1 << NWD_SHIFT); + disk = hba[i]->gendisk[j]; + } + + /* Check that the disk was able to be allocated */ + if (!disk) { + printk(KERN_ERR "cciss: unable to allocate memory for disk %d\n", j); + goto clean4; + } q = blk_init_queue(do_cciss_request, &hba[i]->lock); if (!q) { printk(KERN_ERR "cciss: unable to allocate queue for disk %d\n", j); - break; + goto clean4; } drv->queue = q; @@ -3324,7 +3354,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, blk_queue_hardsect_size(q, drv->block_size); set_capacity(disk, drv->nr_blocks); add_disk(disk); - } + j++; + } while (j <= hba[i]->highest_lun); return 1; @@ -3347,6 +3378,15 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, unregister_blkdev(hba[i]->major, hba[i]->devname); clean1: hba[i]->busy_initializing = 0; + /* cleanup any queues that may have been initialized */ + for (j=0; j <= hba[i]->highest_lun; j++){ + drive_info_struct *drv = &(hba[i]->drv[j]); + if (drv->queue) + blk_cleanup_queue(drv->queue); + } + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); free_hba(i); return -1; } @@ -3394,7 +3434,7 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) remove_proc_entry(hba[i]->devname, proc_cciss); /* remove it from the disk list */ - for (j = 0; j < NWD; j++) { + for (j = 0; j < CISS_MAX_LUN; j++) { struct gendisk *disk = hba[i]->gendisk[j]; if (disk) { request_queue_t *q = disk->queue; diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index c3df673f860..b70988dd33e 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -6,7 +6,6 @@ #include "cciss_cmd.h" -#define NWD 16 #define NWD_SHIFT 4 #define MAX_PART (1 << NWD_SHIFT) @@ -112,7 +111,7 @@ struct ctlr_info int next_to_run; // Disk structures we need to pass back - struct gendisk *gendisk[NWD]; + struct gendisk *gendisk[CISS_MAX_LUN]; #ifdef CONFIG_CISS_SCSI_TAPE void *scsi_ctlr; /* ptr to structure containing scsi related stuff */ /* list of block side commands the scsi error handling sucked up */ diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index b2147cca5ac..43bf5593b59 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -89,7 +89,7 @@ typedef union _u64bit //########################################################################### //STRUCTURES //########################################################################### -#define CISS_MAX_LUN 16 +#define CISS_MAX_LUN 1024 #define CISS_MAX_PHYS_LUN 1024 // SCSI-3 Cmmands -- cgit v1.2.3 From 1ecb9c0f3c9ef6af77c39a9f584940691847ccf4 Mon Sep 17 00:00:00 2001 From: Mike Miller Date: Wed, 6 Dec 2006 20:35:13 -0800 Subject: [PATCH] cciss: cleanup cciss_interrupt mode A pretty simple cleanup for cciss_interrupt_mode. Signed-off-by: Mike Miller Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/cciss.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index c99cb7ed57f..892e092afe9 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2788,23 +2788,21 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c, if (err > 0) { printk(KERN_WARNING "cciss: only %d MSI-X vectors " "available\n", err); + goto default_int_mode; } else { printk(KERN_WARNING "cciss: MSI-X init failed %d\n", err); + goto default_int_mode; } } if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) { if (!pci_enable_msi(pdev)) { - c->intr[SIMPLE_MODE_INT] = pdev->irq; c->msi_vector = 1; - return; } else { printk(KERN_WARNING "cciss: MSI init failed\n"); - c->intr[SIMPLE_MODE_INT] = pdev->irq; - return; } } - default_int_mode: +default_int_mode: #endif /* CONFIG_PCI_MSI */ /* if we get here we're going to use the default interrupt mode */ c->intr[SIMPLE_MODE_INT] = pdev->irq; -- cgit v1.2.3 From 238b8721a554a33a451a3f13bdb5be8fe5cfc927 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Wed, 6 Dec 2006 20:35:17 -0800 Subject: [PATCH] serial uartlite driver Add a driver for the Xilinx uartlite serial controller used in boards with the PPC405 core in the Xilinx V2P/V4 fpgas. The hardware is very simple (baudrate/start/stopbits fixed and no break support). See the datasheet for details: http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf See http://thread.gmane.org/gmane.linux.serial/1237/ for the email thread. Signed-off-by: Peter Korsgaard Acked-by: Olof Johansson Cc: Russell King Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/Kconfig | 19 ++ drivers/serial/Makefile | 1 + drivers/serial/uartlite.c | 505 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 525 insertions(+) create mode 100644 drivers/serial/uartlite.c (limited to 'drivers') diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 0b71e7d1890..e936c91640b 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -511,6 +511,25 @@ config SERIAL_IMX_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) +config SERIAL_UARTLITE + tristate "Xilinx uartlite serial port support" + depends on PPC32 + select SERIAL_CORE + help + Say Y here if you want to use the Xilinx uartlite serial controller. + + To compile this driver as a module, choose M here: the + module will be called uartlite.ko. + +config SERIAL_UARTLITE_CONSOLE + bool "Support for console on Xilinx uartlite serial port" + depends on SERIAL_UARTLITE=y + select SERIAL_CORE_CONSOLE + help + Say Y here if you wish to use a Xilinx uartlite as the system + console (the system console is the device which receives all kernel + messages and warnings and which allows logins in single user mode). + config SERIAL_SUNCORE bool depends on SPARC diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index b4d8a7c182e..0dba0017a00 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -55,4 +55,5 @@ obj-$(CONFIG_SERIAL_VR41XX) += vr41xx_siu.o obj-$(CONFIG_SERIAL_SGI_IOC4) += ioc4_serial.o obj-$(CONFIG_SERIAL_SGI_IOC3) += ioc3_serial.o obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o +obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o obj-$(CONFIG_SERIAL_NETX) += netx-serial.o diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c new file mode 100644 index 00000000000..83690653b78 --- /dev/null +++ b/drivers/serial/uartlite.c @@ -0,0 +1,505 @@ +/* + * uartlite.c: Serial driver for Xilinx uartlite serial controller + * + * Peter Korsgaard + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ULITE_MAJOR 204 +#define ULITE_MINOR 187 +#define ULITE_NR_UARTS 4 + +/* For register details see datasheet: + http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf +*/ +#define ULITE_RX 0x00 +#define ULITE_TX 0x04 +#define ULITE_STATUS 0x08 +#define ULITE_CONTROL 0x0c + +#define ULITE_REGION 16 + +#define ULITE_STATUS_RXVALID 0x01 +#define ULITE_STATUS_RXFULL 0x02 +#define ULITE_STATUS_TXEMPTY 0x04 +#define ULITE_STATUS_TXFULL 0x08 +#define ULITE_STATUS_IE 0x10 +#define ULITE_STATUS_OVERRUN 0x20 +#define ULITE_STATUS_FRAME 0x40 +#define ULITE_STATUS_PARITY 0x80 + +#define ULITE_CONTROL_RST_TX 0x01 +#define ULITE_CONTROL_RST_RX 0x02 +#define ULITE_CONTROL_IE 0x10 + + +static struct uart_port ports[ULITE_NR_UARTS]; + +static int ulite_receive(struct uart_port *port, int stat) +{ + struct tty_struct *tty = port->info->tty; + unsigned char ch = 0; + char flag = TTY_NORMAL; + + if ((stat & (ULITE_STATUS_RXVALID | ULITE_STATUS_OVERRUN + | ULITE_STATUS_FRAME)) == 0) + return 0; + + /* stats */ + if (stat & ULITE_STATUS_RXVALID) { + port->icount.rx++; + ch = readb(port->membase + ULITE_RX); + + if (stat & ULITE_STATUS_PARITY) + port->icount.parity++; + } + + if (stat & ULITE_STATUS_OVERRUN) + port->icount.overrun++; + + if (stat & ULITE_STATUS_FRAME) + port->icount.frame++; + + + /* drop byte with parity error if IGNPAR specificed */ + if (stat & port->ignore_status_mask & ULITE_STATUS_PARITY) + stat &= ~ULITE_STATUS_RXVALID; + + stat &= port->read_status_mask; + + if (stat & ULITE_STATUS_PARITY) + flag = TTY_PARITY; + + + stat &= ~port->ignore_status_mask; + + if (stat & ULITE_STATUS_RXVALID) + tty_insert_flip_char(tty, ch, flag); + + if (stat & ULITE_STATUS_FRAME) + tty_insert_flip_char(tty, 0, TTY_FRAME); + + if (stat & ULITE_STATUS_OVERRUN) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); + + return 1; +} + +static int ulite_transmit(struct uart_port *port, int stat) +{ + struct circ_buf *xmit = &port->info->xmit; + + if (stat & ULITE_STATUS_TXFULL) + return 0; + + if (port->x_char) { + writeb(port->x_char, port->membase + ULITE_TX); + port->x_char = 0; + port->icount.tx++; + return 1; + } + + if (uart_circ_empty(xmit) || uart_tx_stopped(port)) + return 0; + + writeb(xmit->buf[xmit->tail], port->membase + ULITE_TX); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE-1); + port->icount.tx++; + + /* wake up */ + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(port); + + return 1; +} + +static irqreturn_t ulite_isr(int irq, void *dev_id) +{ + struct uart_port *port = (struct uart_port *)dev_id; + int busy; + + do { + int stat = readb(port->membase + ULITE_STATUS); + busy = ulite_receive(port, stat); + busy |= ulite_transmit(port, stat); + } while (busy); + + tty_flip_buffer_push(port->info->tty); + + return IRQ_HANDLED; +} + +static unsigned int ulite_tx_empty(struct uart_port *port) +{ + unsigned long flags; + unsigned int ret; + + spin_lock_irqsave(&port->lock, flags); + ret = readb(port->membase + ULITE_STATUS); + spin_unlock_irqrestore(&port->lock, flags); + + return ret & ULITE_STATUS_TXEMPTY ? TIOCSER_TEMT : 0; +} + +static unsigned int ulite_get_mctrl(struct uart_port *port) +{ + return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR; +} + +static void ulite_set_mctrl(struct uart_port *port, unsigned int mctrl) +{ + /* N/A */ +} + +static void ulite_stop_tx(struct uart_port *port) +{ + /* N/A */ +} + +static void ulite_start_tx(struct uart_port *port) +{ + ulite_transmit(port, readb(port->membase + ULITE_STATUS)); +} + +static void ulite_stop_rx(struct uart_port *port) +{ + /* don't forward any more data (like !CREAD) */ + port->ignore_status_mask = ULITE_STATUS_RXVALID | ULITE_STATUS_PARITY + | ULITE_STATUS_FRAME | ULITE_STATUS_OVERRUN; +} + +static void ulite_enable_ms(struct uart_port *port) +{ + /* N/A */ +} + +static void ulite_break_ctl(struct uart_port *port, int ctl) +{ + /* N/A */ +} + +static int ulite_startup(struct uart_port *port) +{ + int ret; + + ret = request_irq(port->irq, ulite_isr, + IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "uartlite", port); + if (ret) + return ret; + + writeb(ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX, + port->membase + ULITE_CONTROL); + writeb(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL); + + return 0; +} + +static void ulite_shutdown(struct uart_port *port) +{ + writeb(0, port->membase + ULITE_CONTROL); + readb(port->membase + ULITE_CONTROL); /* dummy */ + free_irq(port->irq, port); +} + +static void ulite_set_termios(struct uart_port *port, struct termios *termios, + struct termios *old) +{ + unsigned long flags; + unsigned int baud; + + spin_lock_irqsave(&port->lock, flags); + + port->read_status_mask = ULITE_STATUS_RXVALID | ULITE_STATUS_OVERRUN + | ULITE_STATUS_TXFULL; + + if (termios->c_iflag & INPCK) + port->read_status_mask |= + ULITE_STATUS_PARITY | ULITE_STATUS_FRAME; + + port->ignore_status_mask = 0; + if (termios->c_iflag & IGNPAR) + port->ignore_status_mask |= ULITE_STATUS_PARITY + | ULITE_STATUS_FRAME | ULITE_STATUS_OVERRUN; + + /* ignore all characters if CREAD is not set */ + if ((termios->c_cflag & CREAD) == 0) + port->ignore_status_mask |= + ULITE_STATUS_RXVALID | ULITE_STATUS_PARITY + | ULITE_STATUS_FRAME | ULITE_STATUS_OVERRUN; + + /* update timeout */ + baud = uart_get_baud_rate(port, termios, old, 0, 460800); + uart_update_timeout(port, termios->c_cflag, baud); + + spin_unlock_irqrestore(&port->lock, flags); +} + +static const char *ulite_type(struct uart_port *port) +{ + return port->type == PORT_UARTLITE ? "uartlite" : NULL; +} + +static void ulite_release_port(struct uart_port *port) +{ + release_mem_region(port->mapbase, ULITE_REGION); + iounmap(port->membase); + port->membase = 0; +} + +static int ulite_request_port(struct uart_port *port) +{ + if (!request_mem_region(port->mapbase, ULITE_REGION, "uartlite")) { + dev_err(port->dev, "Memory region busy\n"); + return -EBUSY; + } + + port->membase = ioremap(port->mapbase, ULITE_REGION); + if (!port->membase) { + dev_err(port->dev, "Unable to map registers\n"); + release_mem_region(port->mapbase, ULITE_REGION); + return -EBUSY; + } + + return 0; +} + +static void ulite_config_port(struct uart_port *port, int flags) +{ + ulite_request_port(port); + port->type = PORT_UARTLITE; +} + +static int ulite_verify_port(struct uart_port *port, struct serial_struct *ser) +{ + /* we don't want the core code to modify any port params */ + return -EINVAL; +} + +static struct uart_ops ulite_ops = { + .tx_empty = ulite_tx_empty, + .set_mctrl = ulite_set_mctrl, + .get_mctrl = ulite_get_mctrl, + .stop_tx = ulite_stop_tx, + .start_tx = ulite_start_tx, + .stop_rx = ulite_stop_rx, + .enable_ms = ulite_enable_ms, + .break_ctl = ulite_break_ctl, + .startup = ulite_startup, + .shutdown = ulite_shutdown, + .set_termios = ulite_set_termios, + .type = ulite_type, + .release_port = ulite_release_port, + .request_port = ulite_request_port, + .config_port = ulite_config_port, + .verify_port = ulite_verify_port +}; + +#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE +static void ulite_console_wait_tx(struct uart_port *port) +{ + int i; + + /* wait up to 10ms for the character(s) to be sent */ + for (i = 0; i < 10000; i++) { + if (readb(port->membase + ULITE_STATUS) & ULITE_STATUS_TXEMPTY) + break; + udelay(1); + } +} + +static void ulite_console_putchar(struct uart_port *port, int ch) +{ + ulite_console_wait_tx(port); + writeb(ch, port->membase + ULITE_TX); +} + +static void ulite_console_write(struct console *co, const char *s, + unsigned int count) +{ + struct uart_port *port = &ports[co->index]; + unsigned long flags; + unsigned int ier; + int locked = 1; + + if (oops_in_progress) { + locked = spin_trylock_irqsave(&port->lock, flags); + } else + spin_lock_irqsave(&port->lock, flags); + + /* save and disable interrupt */ + ier = readb(port->membase + ULITE_STATUS) & ULITE_STATUS_IE; + writeb(0, port->membase + ULITE_CONTROL); + + uart_console_write(port, s, count, ulite_console_putchar); + + ulite_console_wait_tx(port); + + /* restore interrupt state */ + if (ier) + writeb(ULITE_CONTROL_IE, port->membase + ULITE_CONTROL); + + if (locked) + spin_unlock_irqrestore(&port->lock, flags); +} + +static int __init ulite_console_setup(struct console *co, char *options) +{ + struct uart_port *port; + int baud = 9600; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + + if (co->index < 0 || co->index >= ULITE_NR_UARTS) + return -EINVAL; + + port = &ports[co->index]; + + /* not initialized yet? */ + if (!port->membase) + return -ENODEV; + + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + + return uart_set_options(port, co, baud, parity, bits, flow); +} + +static struct uart_driver ulite_uart_driver; + +static struct console ulite_console = { + .name = "ttyUL", + .write = ulite_console_write, + .device = uart_console_device, + .setup = ulite_console_setup, + .flags = CON_PRINTBUFFER, + .index = -1, /* Specified on the cmdline (e.g. console=ttyUL0 ) */ + .data = &ulite_uart_driver, +}; + +static int __init ulite_console_init(void) +{ + register_console(&ulite_console); + return 0; +} + +console_initcall(ulite_console_init); + +#endif /* CONFIG_SERIAL_UARTLITE_CONSOLE */ + +static struct uart_driver ulite_uart_driver = { + .owner = THIS_MODULE, + .driver_name = "uartlite", + .dev_name = "ttyUL", + .major = ULITE_MAJOR, + .minor = ULITE_MINOR, + .nr = ULITE_NR_UARTS, +#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE + .cons = &ulite_console, +#endif +}; + +static int __devinit ulite_probe(struct platform_device *pdev) +{ + struct resource *res, *res2; + struct uart_port *port; + + if (pdev->id < 0 || pdev->id >= ULITE_NR_UARTS) + return -EINVAL; + + if (ports[pdev->id].membase) + return -EBUSY; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res2) + return -ENODEV; + + port = &ports[pdev->id]; + + port->fifosize = 16; + port->regshift = 2; + port->iotype = UPIO_MEM; + port->iobase = 1; /* mark port in use */ + port->mapbase = res->start; + port->membase = 0; + port->ops = &ulite_ops; + port->irq = res2->start; + port->flags = UPF_BOOT_AUTOCONF; + port->dev = &pdev->dev; + port->type = PORT_UNKNOWN; + port->line = pdev->id; + + uart_add_one_port(&ulite_uart_driver, port); + platform_set_drvdata(pdev, port); + + return 0; +} + +static int ulite_remove(struct platform_device *pdev) +{ + struct uart_port *port = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + + if (port) + uart_remove_one_port(&ulite_uart_driver, port); + + /* mark port as free */ + port->membase = 0; + + return 0; +} + +static struct platform_driver ulite_platform_driver = { + .probe = ulite_probe, + .remove = ulite_remove, + .driver = { + .owner = THIS_MODULE, + .name = "uartlite", + }, +}; + +int __init ulite_init(void) +{ + int ret; + + ret = uart_register_driver(&ulite_uart_driver); + if (ret) + return ret; + + ret = platform_driver_register(&ulite_platform_driver); + if (ret) + uart_unregister_driver(&ulite_uart_driver); + + return ret; +} + +void __exit ulite_exit(void) +{ + platform_driver_unregister(&ulite_platform_driver); + uart_unregister_driver(&ulite_uart_driver); +} + +module_init(ulite_init); +module_exit(ulite_exit); + +MODULE_AUTHOR("Peter Korsgaard "); +MODULE_DESCRIPTION("Xilinx uartlite serial driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 8684265412518858c48a56c2f0aa86f280978b74 Mon Sep 17 00:00:00 2001 From: Amol Lad Date: Wed, 6 Dec 2006 20:35:19 -0800 Subject: [PATCH] ioremap balanced with iounmap for drivers/char/rio/rio_linux.c Signed-off-by: Amol Lad Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/rio/rio_linux.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c index 7ac68cb3bed..e79b2ede851 100644 --- a/drivers/char/rio/rio_linux.c +++ b/drivers/char/rio/rio_linux.c @@ -1026,6 +1026,7 @@ static int __init rio_init(void) found++; } else { iounmap(p->RIOHosts[p->RIONumHosts].Caddr); + p->RIOHosts[p->RIONumHosts].Caddr = NULL; } } @@ -1078,6 +1079,7 @@ static int __init rio_init(void) found++; } else { iounmap(p->RIOHosts[p->RIONumHosts].Caddr); + p->RIOHosts[p->RIONumHosts].Caddr = NULL; } #else printk(KERN_ERR "Found an older RIO PCI card, but the driver is not " "compiled to support it.\n"); @@ -1117,8 +1119,10 @@ static int __init rio_init(void) } } - if (!okboard) + if (!okboard) { iounmap(hp->Caddr); + hp->Caddr = NULL; + } } } @@ -1188,6 +1192,8 @@ static void __exit rio_exit(void) } /* It is safe/allowed to del_timer a non-active timer */ del_timer(&hp->timer); + if (hp->Caddr) + iounmap(hp->Caddr); if (hp->Type == RIO_PCI) pci_dev_put(hp->pdev); } -- cgit v1.2.3 From 41bdabbb6d951cf4a9fbfe33783749b87662b02d Mon Sep 17 00:00:00 2001 From: Amol Lad Date: Wed, 6 Dec 2006 20:35:21 -0800 Subject: [PATCH] ioremap balanced with iounmap for drivers/char/moxa.c Signed-off-by: Amol Lad Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/moxa.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 2d025a9fd14..8b316953173 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -498,9 +498,12 @@ static void __exit moxa_exit(void) printk("Couldn't unregister MOXA Intellio family serial driver\n"); put_tty_driver(moxaDriver); - for (i = 0; i < MAX_BOARDS; i++) + for (i = 0; i < MAX_BOARDS; i++) { + if (moxaBaseAddr[i]) + iounmap(moxaBaseAddr[i]); if (moxa_boards[i].busType == MOXA_BUS_TYPE_PCI) pci_dev_put(moxa_boards[i].pciInfo.pdev); + } if (verbose) printk("Done\n"); -- cgit v1.2.3 From aa8a8d664828c7184a2e775fb50611324ef21b5c Mon Sep 17 00:00:00 2001 From: Amol Lad Date: Wed, 6 Dec 2006 20:35:22 -0800 Subject: [PATCH] ioremap balanced with iounmap for drivers/char/istallion.c Signed-off-by: Amol Lad Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/istallion.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index bd9195e1795..8f591945ebd 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -3476,6 +3476,8 @@ static int stli_initecp(stlibrd_t *brdp) if (sig.magic != cpu_to_le32(ECP_MAGIC)) { release_region(brdp->iobase, brdp->iosize); + iounmap(brdp->membase); + brdp->membase = NULL; return -ENODEV; } @@ -3632,6 +3634,8 @@ static int stli_initonb(stlibrd_t *brdp) sig.magic3 != cpu_to_le16(ONB_MAGIC3)) { release_region(brdp->iobase, brdp->iosize); + iounmap(brdp->membase); + brdp->membase = NULL; return -ENODEV; } -- cgit v1.2.3 From 3889b26bebd3e3cf5a3b95da683bab2f6462133d Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 6 Dec 2006 20:35:31 -0800 Subject: [PATCH] I2O: more error checking i2o_scsi: handle sysfs failure i2o_device: * convert i2o_device_add() to return integer error code rather than pointer. Fortunately -nobody- checks the return code of this function, so changing has nil impact. * handle errors thrown by device_register() More work in i2o_device remains. Signed-off-by: Jeff Garzik Cc: Markus Lidel Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/message/i2o/device.c | 19 ++++++++++++------- drivers/message/i2o/i2o_scsi.c | 12 +++++++++--- 2 files changed, 21 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c index ee183053fa2..55757af4e3b 100644 --- a/drivers/message/i2o/device.c +++ b/drivers/message/i2o/device.c @@ -214,18 +214,17 @@ static struct i2o_device *i2o_device_alloc(void) * Allocate a new I2O device and initialize it with the LCT entry. The * device is appended to the device list of the controller. * - * Returns a pointer to the I2O device on success or negative error code - * on failure. + * Returns zero on success, or a -ve errno. */ -static struct i2o_device *i2o_device_add(struct i2o_controller *c, - i2o_lct_entry * entry) +static int i2o_device_add(struct i2o_controller *c, i2o_lct_entry *entry) { struct i2o_device *i2o_dev, *tmp; + int rc; i2o_dev = i2o_device_alloc(); if (IS_ERR(i2o_dev)) { printk(KERN_ERR "i2o: unable to allocate i2o device\n"); - return i2o_dev; + return PTR_ERR(i2o_dev); } i2o_dev->lct_data = *entry; @@ -236,7 +235,9 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c, i2o_dev->iop = c; i2o_dev->device.parent = &c->device; - device_register(&i2o_dev->device); + rc = device_register(&i2o_dev->device); + if (rc) + goto err; list_add_tail(&i2o_dev->list, &c->devices); @@ -270,7 +271,11 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c, pr_debug("i2o: device %s added\n", i2o_dev->device.bus_id); - return i2o_dev; + return 0; + +err: + kfree(i2o_dev); + return rc; } /** diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c index 6ebf38213f9..d5f93b12b6f 100644 --- a/drivers/message/i2o/i2o_scsi.c +++ b/drivers/message/i2o/i2o_scsi.c @@ -220,7 +220,7 @@ static int i2o_scsi_probe(struct device *dev) u32 id = -1; u64 lun = -1; int channel = -1; - int i; + int i, rc; i2o_shost = i2o_scsi_get_host(c); if (!i2o_shost) @@ -304,14 +304,20 @@ static int i2o_scsi_probe(struct device *dev) return PTR_ERR(scsi_dev); } - sysfs_create_link(&i2o_dev->device.kobj, &scsi_dev->sdev_gendev.kobj, - "scsi"); + rc = sysfs_create_link(&i2o_dev->device.kobj, + &scsi_dev->sdev_gendev.kobj, "scsi"); + if (rc) + goto err; osm_info("device added (TID: %03x) channel: %d, id: %d, lun: %ld\n", i2o_dev->lct_data.tid, channel, le32_to_cpu(id), (long unsigned int)le64_to_cpu(lun)); return 0; + +err: + scsi_remove_device(scsi_dev); + return rc; }; static const char *i2o_scsi_info(struct Scsi_Host *SChost) -- cgit v1.2.3 From bfc7ee207078e8ca51264355805e6f56b485be4b Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 6 Dec 2006 20:35:33 -0800 Subject: [PATCH] PNP: handle sysfs errors Signed-off-by: Jeff Garzik Cc: Adam Belay Cc: Bjorn Helgaas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/pnp/card.c | 30 +++++++++++++++++++++--------- drivers/pnp/interface.c | 17 ++++++++++++++--- 2 files changed, 35 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index 227600cd636..91c047a7e63 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -164,9 +164,17 @@ static DEVICE_ATTR(card_id,S_IRUGO,pnp_show_card_ids,NULL); static int pnp_interface_attach_card(struct pnp_card *card) { - device_create_file(&card->dev,&dev_attr_name); - device_create_file(&card->dev,&dev_attr_card_id); + int rc = device_create_file(&card->dev,&dev_attr_name); + if (rc) return rc; + + rc = device_create_file(&card->dev,&dev_attr_card_id); + if (rc) goto err_name; + return 0; + +err_name: + device_remove_file(&card->dev,&dev_attr_name); + return rc; } /** @@ -306,16 +314,20 @@ found: down_write(&dev->dev.bus->subsys.rwsem); dev->card_link = clink; dev->dev.driver = &drv->link.driver; - if (pnp_bus_type.probe(&dev->dev)) { - dev->dev.driver = NULL; - dev->card_link = NULL; - up_write(&dev->dev.bus->subsys.rwsem); - return NULL; - } - device_bind_driver(&dev->dev); + if (pnp_bus_type.probe(&dev->dev)) + goto err_out; + if (device_bind_driver(&dev->dev)) + goto err_out; + up_write(&dev->dev.bus->subsys.rwsem); return dev; + +err_out: + dev->dev.driver = NULL; + dev->card_link = NULL; + up_write(&dev->dev.bus->subsys.rwsem); + return NULL; } /** diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index 9d8b415eca7..ac9fcd499f3 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -461,8 +461,19 @@ static DEVICE_ATTR(id,S_IRUGO,pnp_show_current_ids,NULL); int pnp_interface_attach_device(struct pnp_dev *dev) { - device_create_file(&dev->dev,&dev_attr_options); - device_create_file(&dev->dev,&dev_attr_resources); - device_create_file(&dev->dev,&dev_attr_id); + int rc = device_create_file(&dev->dev,&dev_attr_options); + if (rc) goto err; + rc = device_create_file(&dev->dev,&dev_attr_resources); + if (rc) goto err_opt; + rc = device_create_file(&dev->dev,&dev_attr_id); + if (rc) goto err_res; + return 0; + +err_res: + device_remove_file(&dev->dev,&dev_attr_resources); +err_opt: + device_remove_file(&dev->dev,&dev_attr_options); +err: + return rc; } -- cgit v1.2.3 From 91046a8a693823d434f0aa70419c48ebeb8e1b11 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 6 Dec 2006 20:35:34 -0800 Subject: [PATCH] RTC: handle sysfs errors Signed-off-by: Jeff Garzik Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ds1672.c | 9 +++++++-- drivers/rtc/rtc-rs5c372.c | 12 ++++++++++-- drivers/rtc/rtc-test.c | 9 ++++++++- drivers/rtc/rtc-x1205.c | 12 ++++++++++-- 4 files changed, 35 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c index 67e816a9a39..dfef1637bfb 100644 --- a/drivers/rtc/rtc-ds1672.c +++ b/drivers/rtc/rtc-ds1672.c @@ -237,17 +237,22 @@ static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) /* read control register */ err = ds1672_get_control(client, &control); if (err) - goto exit_detach; + goto exit_devreg; if (control & DS1672_REG_CONTROL_EOSC) dev_warn(&client->dev, "Oscillator not enabled. " "Set time to enable.\n"); /* Register sysfs hooks */ - device_create_file(&client->dev, &dev_attr_control); + err = device_create_file(&client->dev, &dev_attr_control); + if (err) + goto exit_devreg; return 0; +exit_devreg: + rtc_device_unregister(rtc); + exit_detach: i2c_detach_client(client); diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index a44fe4efa21..9e1bb3a72f7 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -238,11 +238,19 @@ static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind) i2c_set_clientdata(client, rtc); - device_create_file(&client->dev, &dev_attr_trim); - device_create_file(&client->dev, &dev_attr_osc); + err = device_create_file(&client->dev, &dev_attr_trim); + if (err) goto exit_devreg; + err = device_create_file(&client->dev, &dev_attr_osc); + if (err) goto exit_trim; return 0; +exit_trim: + device_remove_file(&client->dev, &dev_attr_trim); + +exit_devreg: + rtc_device_unregister(rtc); + exit_detach: i2c_detach_client(client); diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c index 6ef9c62d503..f50a1b8e160 100644 --- a/drivers/rtc/rtc-test.c +++ b/drivers/rtc/rtc-test.c @@ -123,11 +123,18 @@ static int test_probe(struct platform_device *plat_dev) err = PTR_ERR(rtc); return err; } - device_create_file(&plat_dev->dev, &dev_attr_irq); + + err = device_create_file(&plat_dev->dev, &dev_attr_irq); + if (err) + goto err; platform_set_drvdata(plat_dev, rtc); return 0; + +err: + rtc_device_unregister(rtc); + return err; } static int __devexit test_remove(struct platform_device *plat_dev) diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c index 522c69753bb..9a67487d086 100644 --- a/drivers/rtc/rtc-x1205.c +++ b/drivers/rtc/rtc-x1205.c @@ -562,11 +562,19 @@ static int x1205_probe(struct i2c_adapter *adapter, int address, int kind) else dev_err(&client->dev, "couldn't read status\n"); - device_create_file(&client->dev, &dev_attr_atrim); - device_create_file(&client->dev, &dev_attr_dtrim); + err = device_create_file(&client->dev, &dev_attr_atrim); + if (err) goto exit_devreg; + err = device_create_file(&client->dev, &dev_attr_dtrim); + if (err) goto exit_atrim; return 0; +exit_atrim: + device_remove_file(&client->dev, &dev_attr_atrim); + +exit_devreg: + rtc_device_unregister(rtc); + exit_detach: i2c_detach_client(client); -- cgit v1.2.3 From 89fc9a1a79725c3e5c3b66cb6bd2c7d9eeab29fa Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Wed, 6 Dec 2006 20:35:35 -0800 Subject: [PATCH] SPI: improve sysfs compiler complaint handling Signed-off-by: Jeff Garzik Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 09f2c74a40c..1a3c963dc48 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -447,7 +447,9 @@ static int __unregister(struct device *dev, void *unused) */ void spi_unregister_master(struct spi_master *master) { - (void) device_for_each_child(master->cdev.dev, NULL, __unregister); + int dummy; + + dummy = device_for_each_child(master->cdev.dev, NULL, __unregister); class_device_unregister(&master->cdev); } EXPORT_SYMBOL_GPL(spi_unregister_master); -- cgit v1.2.3 From e59e2ae2c29700117a54e85c106017c24837119f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 6 Dec 2006 20:35:59 -0800 Subject: [PATCH] SysRq-X: show blocked tasks Add SysRq-X support: show blocked (TASK_UNINTERRUPTIBLE) tasks only. Useful for debugging IO stalls. Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/sysrq.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index c64f5bcff94..05810c8d20b 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -182,6 +182,18 @@ static struct sysrq_key_op sysrq_showstate_op = { .enable_mask = SYSRQ_ENABLE_DUMP, }; +static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty) +{ + show_state_filter(TASK_UNINTERRUPTIBLE); +} +static struct sysrq_key_op sysrq_showstate_blocked_op = { + .handler = sysrq_handle_showstate_blocked, + .help_msg = "showBlockedTasks", + .action_msg = "Show Blocked State", + .enable_mask = SYSRQ_ENABLE_DUMP, +}; + + static void sysrq_handle_showmem(int key, struct tty_struct *tty) { show_mem(); @@ -304,7 +316,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = { /* May be assigned at init time by SMP VOYAGER */ NULL, /* v */ NULL, /* w */ - NULL, /* x */ + &sysrq_showstate_blocked_op, /* x */ NULL, /* y */ NULL /* z */ }; -- cgit v1.2.3 From 23a1b2a78705caa2ecaccf8422a1e22eaca59574 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 6 Dec 2006 20:36:12 -0800 Subject: [PATCH] via82cxxx: handle error condition properly Jeff noted that the via driver returned an error to an unsigned int in a a case where errors are not permitted. Move the check down earlier so we can handle it properly. Not as pretty but it works this way and avoids hacking up ugly stuff in the legacy ide core. Signed-off-by: Alan Cox Cc: Jeff Garzik Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/ide/pci/via82cxxx.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index eb7ab112c05..61f1a9665a7 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -282,11 +282,11 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const * Find the ISA bridge to see how good the IDE is. */ via_config = via_config_find(&isa); - if (!via_config->id) { - printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n"); - pci_dev_put(isa); - return -ENODEV; - } + + /* We checked this earlier so if it fails here deeep badness + is involved */ + + BUG_ON(!via_config->id); /* * Setup or disable Clk66 if appropriate @@ -494,6 +494,17 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = { static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_dev *isa = NULL; + struct via_isa_bridge *via_config; + /* + * Find the ISA bridge and check we know what it is. + */ + via_config = via_config_find(&isa); + pci_dev_put(isa); + if (!via_config->id) { + printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n"); + return -ENODEV; + } return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]); } -- cgit v1.2.3 From 9a2239b1174bdf0952a21ed328cd74240d2dd173 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 6 Dec 2006 20:36:13 -0800 Subject: [PATCH] lockdep: fix ide/proc interaction rmmod/3080 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: (proc_subdir_lock){--..}, at: [] remove_proc_entry+0x40/0x191 and this task is already holding: (ide_lock){++..}, at: [] ide_unregister_subdriver+0x39/0xc8 which would create a new lock dependency: (ide_lock){++..} -> (proc_subdir_lock){--..} but this new dependency connects a hard-irq-safe lock: (ide_lock){++..} ... which became hard-irq-safe at: [] lock_acquire+0x4b/0x6b [] _spin_lock_irqsave+0x22/0x32 [] ide_intr+0x17/0x1a9 [] handle_IRQ_event+0x20/0x4d [] __do_IRQ+0x94/0xef [] do_IRQ+0x9e/0xbd to a hard-irq-unsafe lock: (proc_subdir_lock){--..} ... which became hard-irq-unsafe at: ... [] lock_acquire+0x4b/0x6b [] _spin_lock+0x19/0x28 [] xlate_proc_name+0x1b/0x99 [] proc_create+0x46/0xdf [] create_proc_entry+0x62/0xa5 [] proc_misc_init+0x1c/0x1d2 [] proc_root_init+0x4c/0xe9 [] start_kernel+0x294/0x3b3 Move ide_remove_proc_entries() out from under ide_lock; there is nothing that indicates that this is needed. In specific, the call to ide_add_proc_entries() is unprotected, and there is nothing else in the file using the respective ->proc fields. Also the lock order around destroy_proc_ide_interface() suggests this. Alan sayeth: proc_ide_write_settings walks the setting list under ide_setting_sem, read ditto. remove_proc_entry is doing proc side housekeeping. Looks fine to me, although that old code is such a mess anything could be going on. Signed-off-by: Peter Zijlstra Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/ide/ide.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 287a6620115..16890769dca 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -973,8 +973,8 @@ ide_settings_t *ide_find_setting_by_name (ide_drive_t *drive, char *name) * @drive: drive * * Automatically remove all the driver specific settings for this - * drive. This function may sleep and must not be called from IRQ - * context. The caller must hold ide_setting_sem. + * drive. This function may not be called from IRQ context. The + * caller must hold ide_setting_sem. */ static void auto_remove_settings (ide_drive_t *drive) @@ -1874,11 +1874,22 @@ void ide_unregister_subdriver(ide_drive_t *drive, ide_driver_t *driver) { unsigned long flags; - down(&ide_setting_sem); - spin_lock_irqsave(&ide_lock, flags); #ifdef CONFIG_PROC_FS ide_remove_proc_entries(drive->proc, driver->proc); #endif + down(&ide_setting_sem); + spin_lock_irqsave(&ide_lock, flags); + /* + * ide_setting_sem protects the settings list + * ide_lock protects the use of settings + * + * so we need to hold both, ide_settings_sem because we want to + * modify the settings list, and ide_lock because we cannot take + * a setting out that is being used. + * + * OTOH both ide_{read,write}_setting are only ever used under + * ide_setting_sem. + */ auto_remove_settings(drive); spin_unlock_irqrestore(&ide_lock, flags); up(&ide_setting_sem); -- cgit v1.2.3 From 4740d387f3cb9e63f48f2488815b38a2c92755c8 Mon Sep 17 00:00:00 2001 From: Hans-Christian Egtvedt Date: Wed, 6 Dec 2006 20:36:17 -0800 Subject: [PATCH] spi: correct bus_num and buffer bug in spi core Correct the following in driver/spi/spi.c in function spi_busnum_to_master: * must allow bus_num 0, the if is really not needed. * correct the name buffer which is too small for bus_num >= 10000. It should be 9 bytes big, not 8. Signed-off-by: Hans-Christian Egtvedt Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 1a3c963dc48..7d215eaa137 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -465,15 +465,13 @@ EXPORT_SYMBOL_GPL(spi_unregister_master); */ struct spi_master *spi_busnum_to_master(u16 bus_num) { - if (bus_num) { - char name[8]; - struct kobject *bus; - - snprintf(name, sizeof name, "spi%u", bus_num); - bus = kset_find_obj(&spi_master_class.subsys.kset, name); - if (bus) - return container_of(bus, struct spi_master, cdev.kobj); - } + char name[9]; + struct kobject *bus; + + snprintf(name, sizeof name, "spi%u", bus_num); + bus = kset_find_obj(&spi_master_class.subsys.kset, name); + if (bus) + return container_of(bus, struct spi_master, cdev.kobj); return NULL; } EXPORT_SYMBOL_GPL(spi_busnum_to_master); -- cgit v1.2.3 From 3bd0f6943520e459659d10f3282285e43d3990f1 Mon Sep 17 00:00:00 2001 From: Hans-Christian Egtvedt Date: Wed, 6 Dec 2006 20:36:19 -0800 Subject: [PATCH] spi: set kset of master class dev explicitly In order for spi_busnum_to_master to work spi master devices must be linked into the spi_master_class.subsys.kset list. At the moment the default class_obj_subsys.kset is used and we can't enumerate the master devices. Signed-off-by: Hans-Christian Egtvedt Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 7d215eaa137..270e6211c2e 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -366,6 +366,7 @@ spi_alloc_master(struct device *dev, unsigned size) class_device_initialize(&master->cdev); master->cdev.class = &spi_master_class; + kobj_set_kset_s(&master->cdev, spi_master_class.subsys); master->cdev.dev = get_device(dev); spi_master_set_devdata(master, &master[1]); -- cgit v1.2.3 From f4330002d11f032559954cbff68a5cad95b6d27f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 6 Dec 2006 20:36:20 -0800 Subject: [PATCH] paride: rename pi_register() and pi_unregister() We're about to change the semantics of pi_register()'s return value, so rename it to something else first, so that any unconverted code reliaby breaks. Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/paride/aten.c | 4 ++-- drivers/block/paride/bpck.c | 4 ++-- drivers/block/paride/bpck6.c | 4 ++-- drivers/block/paride/comm.c | 4 ++-- drivers/block/paride/dstr.c | 4 ++-- drivers/block/paride/epat.c | 4 ++-- drivers/block/paride/epia.c | 4 ++-- drivers/block/paride/fit2.c | 4 ++-- drivers/block/paride/fit3.c | 4 ++-- drivers/block/paride/friq.c | 4 ++-- drivers/block/paride/frpw.c | 4 ++-- drivers/block/paride/kbic.c | 6 +++--- drivers/block/paride/ktti.c | 4 ++-- drivers/block/paride/on20.c | 4 ++-- drivers/block/paride/on26.c | 4 ++-- drivers/block/paride/paride.c | 8 ++++---- drivers/block/paride/paride.h | 4 ++-- 17 files changed, 37 insertions(+), 37 deletions(-) (limited to 'drivers') diff --git a/drivers/block/paride/aten.c b/drivers/block/paride/aten.c index c4d696d43dc..3539099a7fa 100644 --- a/drivers/block/paride/aten.c +++ b/drivers/block/paride/aten.c @@ -149,12 +149,12 @@ static struct pi_protocol aten = { static int __init aten_init(void) { - return pi_register(&aten)-1; + return paride_register(&aten)-1; } static void __exit aten_exit(void) { - pi_unregister( &aten ); + paride_unregister( &aten ); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/bpck.c b/drivers/block/paride/bpck.c index d462ff6b139..b0df16dfd19 100644 --- a/drivers/block/paride/bpck.c +++ b/drivers/block/paride/bpck.c @@ -464,12 +464,12 @@ static struct pi_protocol bpck = { static int __init bpck_init(void) { - return pi_register(&bpck)-1; + return paride_register(&bpck)-1; } static void __exit bpck_exit(void) { - pi_unregister(&bpck); + paride_unregister(&bpck); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/bpck6.c b/drivers/block/paride/bpck6.c index 41a237c5957..7c04f74f9d7 100644 --- a/drivers/block/paride/bpck6.c +++ b/drivers/block/paride/bpck6.c @@ -265,12 +265,12 @@ static int __init bpck6_init(void) printk(KERN_INFO "bpck6: Copyright 2001 by Micro Solutions, Inc., DeKalb IL. USA\n"); if(verbose) printk(KERN_DEBUG "bpck6: verbose debug enabled.\n"); - return pi_register(&bpck6) - 1; + return paride_register(&bpck6) - 1; } static void __exit bpck6_exit(void) { - pi_unregister(&bpck6); + paride_unregister(&bpck6); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/comm.c b/drivers/block/paride/comm.c index 43d61359d8e..c3d4076e8c0 100644 --- a/drivers/block/paride/comm.c +++ b/drivers/block/paride/comm.c @@ -205,12 +205,12 @@ static struct pi_protocol comm = { static int __init comm_init(void) { - return pi_register(&comm)-1; + return paride_register(&comm)-1; } static void __exit comm_exit(void) { - pi_unregister(&comm); + paride_unregister(&comm); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/dstr.c b/drivers/block/paride/dstr.c index 04d53bf58e8..2e4219eac52 100644 --- a/drivers/block/paride/dstr.c +++ b/drivers/block/paride/dstr.c @@ -220,12 +220,12 @@ static struct pi_protocol dstr = { static int __init dstr_init(void) { - return pi_register(&dstr)-1; + return paride_register(&dstr)-1; } static void __exit dstr_exit(void) { - pi_unregister(&dstr); + paride_unregister(&dstr); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/epat.c b/drivers/block/paride/epat.c index 55d1c0a1fb9..5ed4fc1a00b 100644 --- a/drivers/block/paride/epat.c +++ b/drivers/block/paride/epat.c @@ -327,12 +327,12 @@ static int __init epat_init(void) #ifdef CONFIG_PARIDE_EPATC8 epatc8 = 1; #endif - return pi_register(&epat)-1; + return paride_register(&epat)-1; } static void __exit epat_exit(void) { - pi_unregister(&epat); + paride_unregister(&epat); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/epia.c b/drivers/block/paride/epia.c index 0f2e0c292d8..649766c1490 100644 --- a/drivers/block/paride/epia.c +++ b/drivers/block/paride/epia.c @@ -303,12 +303,12 @@ static struct pi_protocol epia = { static int __init epia_init(void) { - return pi_register(&epia)-1; + return paride_register(&epia)-1; } static void __exit epia_exit(void) { - pi_unregister(&epia); + paride_unregister(&epia); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/fit2.c b/drivers/block/paride/fit2.c index e0f0691d8bc..7a162496703 100644 --- a/drivers/block/paride/fit2.c +++ b/drivers/block/paride/fit2.c @@ -138,12 +138,12 @@ static struct pi_protocol fit2 = { static int __init fit2_init(void) { - return pi_register(&fit2)-1; + return paride_register(&fit2)-1; } static void __exit fit2_exit(void) { - pi_unregister(&fit2); + paride_unregister(&fit2); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/fit3.c b/drivers/block/paride/fit3.c index 15400e7bc66..c701577d15a 100644 --- a/drivers/block/paride/fit3.c +++ b/drivers/block/paride/fit3.c @@ -198,12 +198,12 @@ static struct pi_protocol fit3 = { static int __init fit3_init(void) { - return pi_register(&fit3)-1; + return paride_register(&fit3)-1; } static void __exit fit3_exit(void) { - pi_unregister(&fit3); + paride_unregister(&fit3); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/friq.c b/drivers/block/paride/friq.c index 5ea2904d281..e9edfa2e3a6 100644 --- a/drivers/block/paride/friq.c +++ b/drivers/block/paride/friq.c @@ -263,12 +263,12 @@ static struct pi_protocol friq = { static int __init friq_init(void) { - return pi_register(&friq)-1; + return paride_register(&friq)-1; } static void __exit friq_exit(void) { - pi_unregister(&friq); + paride_unregister(&friq); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/frpw.c b/drivers/block/paride/frpw.c index 56b3824b153..407f821d240 100644 --- a/drivers/block/paride/frpw.c +++ b/drivers/block/paride/frpw.c @@ -300,12 +300,12 @@ static struct pi_protocol frpw = { static int __init frpw_init(void) { - return pi_register(&frpw)-1; + return paride_register(&frpw)-1; } static void __exit frpw_exit(void) { - pi_unregister(&frpw); + paride_unregister(&frpw); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/kbic.c b/drivers/block/paride/kbic.c index d983bcea76f..a5632819027 100644 --- a/drivers/block/paride/kbic.c +++ b/drivers/block/paride/kbic.c @@ -283,13 +283,13 @@ static struct pi_protocol k971 = { static int __init kbic_init(void) { - return (pi_register(&k951)||pi_register(&k971))-1; + return (paride_register(&k951)||paride_register(&k971))-1; } static void __exit kbic_exit(void) { - pi_unregister(&k951); - pi_unregister(&k971); + paride_unregister(&k951); + paride_unregister(&k971); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/ktti.c b/drivers/block/paride/ktti.c index 6c7edbfba9a..a9d85be0203 100644 --- a/drivers/block/paride/ktti.c +++ b/drivers/block/paride/ktti.c @@ -115,12 +115,12 @@ static struct pi_protocol ktti = { static int __init ktti_init(void) { - return pi_register(&ktti)-1; + return paride_register(&ktti)-1; } static void __exit ktti_exit(void) { - pi_unregister(&ktti); + paride_unregister(&ktti); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/on20.c b/drivers/block/paride/on20.c index 9f8e0109680..cc7e9f591dd 100644 --- a/drivers/block/paride/on20.c +++ b/drivers/block/paride/on20.c @@ -140,12 +140,12 @@ static struct pi_protocol on20 = { static int __init on20_init(void) { - return pi_register(&on20)-1; + return paride_register(&on20)-1; } static void __exit on20_exit(void) { - pi_unregister(&on20); + paride_unregister(&on20); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/on26.c b/drivers/block/paride/on26.c index 0f833caa210..8755ce48693 100644 --- a/drivers/block/paride/on26.c +++ b/drivers/block/paride/on26.c @@ -306,12 +306,12 @@ static struct pi_protocol on26 = { static int __init on26_init(void) { - return pi_register(&on26)-1; + return paride_register(&on26)-1; } static void __exit on26_exit(void) { - pi_unregister(&on26); + paride_unregister(&on26); } MODULE_LICENSE("GPL"); diff --git a/drivers/block/paride/paride.c b/drivers/block/paride/paride.c index 4b258f7836f..55cabfb60cc 100644 --- a/drivers/block/paride/paride.c +++ b/drivers/block/paride/paride.c @@ -229,7 +229,7 @@ static int pi_test_proto(PIA * pi, char *scratch, int verbose) return res; } -int pi_register(PIP * pr) +int paride_register(PIP * pr) { int k; @@ -252,9 +252,9 @@ int pi_register(PIP * pr) return 1; } -EXPORT_SYMBOL(pi_register); +EXPORT_SYMBOL(paride_register); -void pi_unregister(PIP * pr) +void paride_unregister(PIP * pr) { if (!pr) return; @@ -265,7 +265,7 @@ void pi_unregister(PIP * pr) protocols[pr->index] = NULL; } -EXPORT_SYMBOL(pi_unregister); +EXPORT_SYMBOL(paride_unregister); static int pi_register_parport(PIA * pi, int verbose) { diff --git a/drivers/block/paride/paride.h b/drivers/block/paride/paride.h index c6d98ef09e4..2bddbf45518 100644 --- a/drivers/block/paride/paride.h +++ b/drivers/block/paride/paride.h @@ -163,8 +163,8 @@ struct pi_protocol { typedef struct pi_protocol PIP; -extern int pi_register( PIP * ); -extern void pi_unregister ( PIP * ); +extern int paride_register( PIP * ); +extern void paride_unregister ( PIP * ); #endif /* __DRIVERS_PARIDE_H__ */ /* end of paride.h */ -- cgit v1.2.3 From b4178ab58aa81f4ed3c75c48940682fe3b45d880 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 6 Dec 2006 20:36:21 -0800 Subject: [PATCH] paride_register(): shuffle return values paride_register() returns 1 on success, 0 on failure and module init code looks like static int __init foo_init(void) { return paride_register(&foo) - 1; } which is not what one get used to. Converted to usual 0/-E convention. In case of kbic driver, unwind registration. It was just return (paride_register(&k951)||paride_register(&k971))-1; Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/paride/aten.c | 2 +- drivers/block/paride/bpck.c | 2 +- drivers/block/paride/bpck6.c | 2 +- drivers/block/paride/comm.c | 2 +- drivers/block/paride/dstr.c | 2 +- drivers/block/paride/epat.c | 2 +- drivers/block/paride/epia.c | 2 +- drivers/block/paride/fit2.c | 2 +- drivers/block/paride/fit3.c | 2 +- drivers/block/paride/friq.c | 2 +- drivers/block/paride/frpw.c | 2 +- drivers/block/paride/kbic.c | 10 +++++++++- drivers/block/paride/ktti.c | 2 +- drivers/block/paride/on20.c | 2 +- drivers/block/paride/on26.c | 2 +- drivers/block/paride/paride.c | 6 +++--- 16 files changed, 26 insertions(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/block/paride/aten.c b/drivers/block/paride/aten.c index 3539099a7fa..2695465568a 100644 --- a/drivers/block/paride/aten.c +++ b/drivers/block/paride/aten.c @@ -149,7 +149,7 @@ static struct pi_protocol aten = { static int __init aten_init(void) { - return paride_register(&aten)-1; + return paride_register(&aten); } static void __exit aten_exit(void) diff --git a/drivers/block/paride/bpck.c b/drivers/block/paride/bpck.c index b0df16dfd19..4f27e7392e3 100644 --- a/drivers/block/paride/bpck.c +++ b/drivers/block/paride/bpck.c @@ -464,7 +464,7 @@ static struct pi_protocol bpck = { static int __init bpck_init(void) { - return paride_register(&bpck)-1; + return paride_register(&bpck); } static void __exit bpck_exit(void) diff --git a/drivers/block/paride/bpck6.c b/drivers/block/paride/bpck6.c index 7c04f74f9d7..da6b5d27bad 100644 --- a/drivers/block/paride/bpck6.c +++ b/drivers/block/paride/bpck6.c @@ -265,7 +265,7 @@ static int __init bpck6_init(void) printk(KERN_INFO "bpck6: Copyright 2001 by Micro Solutions, Inc., DeKalb IL. USA\n"); if(verbose) printk(KERN_DEBUG "bpck6: verbose debug enabled.\n"); - return paride_register(&bpck6) - 1; + return paride_register(&bpck6); } static void __exit bpck6_exit(void) diff --git a/drivers/block/paride/comm.c b/drivers/block/paride/comm.c index c3d4076e8c0..9bcd3549532 100644 --- a/drivers/block/paride/comm.c +++ b/drivers/block/paride/comm.c @@ -205,7 +205,7 @@ static struct pi_protocol comm = { static int __init comm_init(void) { - return paride_register(&comm)-1; + return paride_register(&comm); } static void __exit comm_exit(void) diff --git a/drivers/block/paride/dstr.c b/drivers/block/paride/dstr.c index 2e4219eac52..accc5c777cb 100644 --- a/drivers/block/paride/dstr.c +++ b/drivers/block/paride/dstr.c @@ -220,7 +220,7 @@ static struct pi_protocol dstr = { static int __init dstr_init(void) { - return paride_register(&dstr)-1; + return paride_register(&dstr); } static void __exit dstr_exit(void) diff --git a/drivers/block/paride/epat.c b/drivers/block/paride/epat.c index 5ed4fc1a00b..1bcdff77322 100644 --- a/drivers/block/paride/epat.c +++ b/drivers/block/paride/epat.c @@ -327,7 +327,7 @@ static int __init epat_init(void) #ifdef CONFIG_PARIDE_EPATC8 epatc8 = 1; #endif - return paride_register(&epat)-1; + return paride_register(&epat); } static void __exit epat_exit(void) diff --git a/drivers/block/paride/epia.c b/drivers/block/paride/epia.c index 649766c1490..fb0e782d055 100644 --- a/drivers/block/paride/epia.c +++ b/drivers/block/paride/epia.c @@ -303,7 +303,7 @@ static struct pi_protocol epia = { static int __init epia_init(void) { - return paride_register(&epia)-1; + return paride_register(&epia); } static void __exit epia_exit(void) diff --git a/drivers/block/paride/fit2.c b/drivers/block/paride/fit2.c index 7a162496703..381283753ae 100644 --- a/drivers/block/paride/fit2.c +++ b/drivers/block/paride/fit2.c @@ -138,7 +138,7 @@ static struct pi_protocol fit2 = { static int __init fit2_init(void) { - return paride_register(&fit2)-1; + return paride_register(&fit2); } static void __exit fit2_exit(void) diff --git a/drivers/block/paride/fit3.c b/drivers/block/paride/fit3.c index c701577d15a..275d269458e 100644 --- a/drivers/block/paride/fit3.c +++ b/drivers/block/paride/fit3.c @@ -198,7 +198,7 @@ static struct pi_protocol fit3 = { static int __init fit3_init(void) { - return paride_register(&fit3)-1; + return paride_register(&fit3); } static void __exit fit3_exit(void) diff --git a/drivers/block/paride/friq.c b/drivers/block/paride/friq.c index e9edfa2e3a6..4f2ba244689 100644 --- a/drivers/block/paride/friq.c +++ b/drivers/block/paride/friq.c @@ -263,7 +263,7 @@ static struct pi_protocol friq = { static int __init friq_init(void) { - return paride_register(&friq)-1; + return paride_register(&friq); } static void __exit friq_exit(void) diff --git a/drivers/block/paride/frpw.c b/drivers/block/paride/frpw.c index 407f821d240..c3cde364603 100644 --- a/drivers/block/paride/frpw.c +++ b/drivers/block/paride/frpw.c @@ -300,7 +300,7 @@ static struct pi_protocol frpw = { static int __init frpw_init(void) { - return paride_register(&frpw)-1; + return paride_register(&frpw); } static void __exit frpw_exit(void) diff --git a/drivers/block/paride/kbic.c b/drivers/block/paride/kbic.c index a5632819027..35999c415ee 100644 --- a/drivers/block/paride/kbic.c +++ b/drivers/block/paride/kbic.c @@ -283,7 +283,15 @@ static struct pi_protocol k971 = { static int __init kbic_init(void) { - return (paride_register(&k951)||paride_register(&k971))-1; + int rv; + + rv = paride_register(&k951); + if (rv < 0) + return rv; + rv = paride_register(&k971); + if (rv < 0) + paride_unregister(&k951); + return rv; } static void __exit kbic_exit(void) diff --git a/drivers/block/paride/ktti.c b/drivers/block/paride/ktti.c index a9d85be0203..117ab0e8ccf 100644 --- a/drivers/block/paride/ktti.c +++ b/drivers/block/paride/ktti.c @@ -115,7 +115,7 @@ static struct pi_protocol ktti = { static int __init ktti_init(void) { - return paride_register(&ktti)-1; + return paride_register(&ktti); } static void __exit ktti_exit(void) diff --git a/drivers/block/paride/on20.c b/drivers/block/paride/on20.c index cc7e9f591dd..0173697a1a4 100644 --- a/drivers/block/paride/on20.c +++ b/drivers/block/paride/on20.c @@ -140,7 +140,7 @@ static struct pi_protocol on20 = { static int __init on20_init(void) { - return paride_register(&on20)-1; + return paride_register(&on20); } static void __exit on20_exit(void) diff --git a/drivers/block/paride/on26.c b/drivers/block/paride/on26.c index 8755ce48693..95ba256921f 100644 --- a/drivers/block/paride/on26.c +++ b/drivers/block/paride/on26.c @@ -306,7 +306,7 @@ static struct pi_protocol on26 = { static int __init on26_init(void) { - return paride_register(&on26)-1; + return paride_register(&on26); } static void __exit on26_exit(void) diff --git a/drivers/block/paride/paride.c b/drivers/block/paride/paride.c index 55cabfb60cc..e4c55e05012 100644 --- a/drivers/block/paride/paride.c +++ b/drivers/block/paride/paride.c @@ -237,19 +237,19 @@ int paride_register(PIP * pr) if (protocols[k] && !strcmp(pr->name, protocols[k]->name)) { printk("paride: %s protocol already registered\n", pr->name); - return 0; + return -1; } k = 0; while ((k < MAX_PROTOS) && (protocols[k])) k++; if (k == MAX_PROTOS) { printk("paride: protocol table full\n"); - return 0; + return -1; } protocols[k] = pr; pr->index = k; printk("paride: %s registered as protocol %d\n", pr->name, k); - return 1; + return 0; } EXPORT_SYMBOL(paride_register); -- cgit v1.2.3 From 3316eaa31e638d21dfa4a81a3322f8898981c591 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:36:29 -0800 Subject: [PATCH] tifm: fix NULL ptr and style Fix sparse NULL warning; drivers/misc/tifm_core.c:223:17: warning: Using plain integer as NULL pointer Fix style while there. Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/tifm_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c index ee326136d03..d61df5c3ac3 100644 --- a/drivers/misc/tifm_core.c +++ b/drivers/misc/tifm_core.c @@ -219,8 +219,9 @@ static int tifm_device_remove(struct device *dev) struct tifm_driver *drv = fm_dev->drv; if (drv) { - if (drv->remove) drv->remove(fm_dev); - fm_dev->drv = 0; + if (drv->remove) + drv->remove(fm_dev); + fm_dev->drv = NULL; } put_device(dev); -- cgit v1.2.3 From c140e110019f25ffa1c6f3f365b0c9103d0b8475 Mon Sep 17 00:00:00 2001 From: Ryan Underwood Date: Wed, 6 Dec 2006 20:36:38 -0800 Subject: [PATCH] parport_pc: Add support for OX16PCI952 parallel port Add support for the parallel port (implemented as separate PCI function) on the Oxford Semiconductor OX16PCI952. Signed-off-by: Ryan Underwood Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/parport/parport_pc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 39c96641bc7..5749500f45f 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -2747,6 +2747,7 @@ enum parport_pc_pci_cards { titan_1284p2, avlab_1p, avlab_2p, + oxsemi_952, oxsemi_954, oxsemi_840, aks_0100, @@ -2822,6 +2823,7 @@ static struct parport_pc_pci { /* avlab_2p */ { 2, { { 0, 1}, { 2, 3 },} }, /* The Oxford Semi cards are unusual: 954 doesn't support ECP, * and 840 locks up if you write 1 to bit 2! */ + /* oxsemi_952 */ { 1, { { 0, 1 }, } }, /* oxsemi_954 */ { 1, { { 0, -1 }, } }, /* oxsemi_840 */ { 1, { { 0, -1 }, } }, /* aks_0100 */ { 1, { { 0, -1 }, } }, @@ -2895,6 +2897,8 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ { 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p}, /* AFAVLAB_TK9902 */ { 0x14db, 0x2121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2p}, + { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI952PP, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_952 }, { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI954PP, PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_954 }, { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_12PCI840, -- cgit v1.2.3 From 8bca98cabf6db738b06d6f3b6d4b6c5f2a5cb7b6 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 6 Dec 2006 20:36:43 -0800 Subject: [PATCH] paride: return proper error code This patch makes module init return proper value instead of -1 (-EPERM). Cc: Tim Waugh Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/paride/pcd.c | 8 ++++---- drivers/block/paride/pf.c | 8 ++++---- drivers/block/paride/pg.c | 4 ++-- drivers/block/paride/pt.c | 4 ++-- 4 files changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c index ac5ba462710..c852eed91e4 100644 --- a/drivers/block/paride/pcd.c +++ b/drivers/block/paride/pcd.c @@ -912,12 +912,12 @@ static int __init pcd_init(void) int unit; if (disable) - return -1; + return -EINVAL; pcd_init_units(); if (pcd_detect()) - return -1; + return -ENODEV; /* get the atapi capabilities page */ pcd_probe_capabilities(); @@ -925,7 +925,7 @@ static int __init pcd_init(void) if (register_blkdev(major, name)) { for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) put_disk(cd->disk); - return -1; + return -EBUSY; } pcd_queue = blk_init_queue(do_pcd_request, &pcd_lock); @@ -933,7 +933,7 @@ static int __init pcd_init(void) unregister_blkdev(major, name); for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) put_disk(cd->disk); - return -1; + return -ENOMEM; } for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index 1a9dee19efc..7cdaa195126 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -933,25 +933,25 @@ static int __init pf_init(void) int unit; if (disable) - return -1; + return -EINVAL; pf_init_units(); if (pf_detect()) - return -1; + return -ENODEV; pf_busy = 0; if (register_blkdev(major, name)) { for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) put_disk(pf->disk); - return -1; + return -EBUSY; } pf_queue = blk_init_queue(do_pf_request, &pf_spin_lock); if (!pf_queue) { unregister_blkdev(major, name); for (pf = units, unit = 0; unit < PF_UNITS; pf++, unit++) put_disk(pf->disk); - return -1; + return -ENOMEM; } blk_queue_max_phys_segments(pf_queue, cluster); diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index 13f998aa1cd..9970aedbb5d 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -646,14 +646,14 @@ static int __init pg_init(void) int err; if (disable){ - err = -1; + err = -EINVAL; goto out; } pg_init_units(); if (pg_detect()) { - err = -1; + err = -ENODEV; goto out; } diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c index 35fb2663672..c902b25e486 100644 --- a/drivers/block/paride/pt.c +++ b/drivers/block/paride/pt.c @@ -946,12 +946,12 @@ static int __init pt_init(void) int err; if (disable) { - err = -1; + err = -EINVAL; goto out; } if (pt_detect()) { - err = -1; + err = -ENODEV; goto out; } -- cgit v1.2.3 From f89d75f224dc530f1c173d9093f75865345840a1 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 6 Dec 2006 20:36:59 -0800 Subject: [PATCH] lockdep: annotate bcsp driver ============================================= [ INFO: possible recursive locking detected ] 2.6.18-1.2699.fc6 #1 --------------------------------------------- swapper/0 is trying to acquire lock: (&list->lock#3){+...}, at: [] skb_dequeue+0x12/0x43 but task is already holding lock: (&list->lock#3){+...}, at: [] bcsp_dequeue+0x6a/0x11e [hci_uart] Two different list locks nest, annotate so. Signed-off-by: Peter Zijlstra Acked-by: Marcel Holtmann Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/bluetooth/hci_bcsp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c index d0cface535f..5e2c3188200 100644 --- a/drivers/bluetooth/hci_bcsp.c +++ b/drivers/bluetooth/hci_bcsp.c @@ -330,7 +330,7 @@ static struct sk_buff *bcsp_dequeue(struct hci_uart *hu) reliable packet if the number of packets sent but not yet ack'ed is < than the winsize */ - spin_lock_irqsave(&bcsp->unack.lock, flags); + spin_lock_irqsave_nested(&bcsp->unack.lock, flags, SINGLE_DEPTH_NESTING); if (bcsp->unack.qlen < BCSP_TXWINSIZE && (skb = skb_dequeue(&bcsp->rel)) != NULL) { struct sk_buff *nskb = bcsp_prepare_pkt(bcsp, skb->data, skb->len, bt_cb(skb)->pkt_type); @@ -696,7 +696,7 @@ static void bcsp_timed_event(unsigned long arg) BT_DBG("hu %p retransmitting %u pkts", hu, bcsp->unack.qlen); - spin_lock_irqsave(&bcsp->unack.lock, flags); + spin_lock_irqsave_nested(&bcsp->unack.lock, flags, SINGLE_DEPTH_NESTING); while ((skb = __skb_dequeue_tail(&bcsp->unack)) != NULL) { bcsp->msgq_txseq = (bcsp->msgq_txseq - 1) & 0x07; -- cgit v1.2.3 From e0980dafa329d33bb88edc8a3ef9fab4e070590c Mon Sep 17 00:00:00 2001 From: Paul B Schroeder Date: Wed, 6 Dec 2006 20:37:03 -0800 Subject: [PATCH] Exar quad port serial This is on our "Envoy" boxes which we have, according to the documentation, an "Exar ST16C554/554D Quad UART with 16-byte Fifo's". The box also has two other "on-board" serial ports and a modem chip. The two on-board serial UARTs were being detected along with the first two Exar UARTs. The last two Exar UARTs were not showing up and neither was the modem. This patch was the only way I could the kernel to see beyond the standard four serial ports and get all four of the Exar UARTs to show up. [akpm@osdl.org: build fix] Signed-off-by: Paul B Schroeder Cc: Lennart Sorensen Acked-by: Alan Cox Cc: Russell King Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/8250_exar_st16c554.c | 52 +++++++++++++++++++++++++++++++++++++ drivers/serial/Kconfig | 11 ++++++++ drivers/serial/Makefile | 1 + 3 files changed, 64 insertions(+) create mode 100644 drivers/serial/8250_exar_st16c554.c (limited to 'drivers') diff --git a/drivers/serial/8250_exar_st16c554.c b/drivers/serial/8250_exar_st16c554.c new file mode 100644 index 00000000000..567143ace15 --- /dev/null +++ b/drivers/serial/8250_exar_st16c554.c @@ -0,0 +1,52 @@ +/* + * linux/drivers/serial/8250_exar.c + * + * Written by Paul B Schroeder < pschroeder "at" uplogix "dot" com > + * Based on 8250_boca. + * + * Copyright (C) 2005 Russell King. + * Data taken from include/asm-i386/serial.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include + +#define PORT(_base,_irq) \ + { \ + .iobase = _base, \ + .irq = _irq, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = UPF_BOOT_AUTOCONF, \ + } + +static struct plat_serial8250_port exar_data[] = { + PORT(0x100, 5), + PORT(0x108, 5), + PORT(0x110, 5), + PORT(0x118, 5), + { }, +}; + +static struct platform_device exar_device = { + .name = "serial8250", + .id = PLAT8250_DEV_EXAR_ST16C554, + .dev = { + .platform_data = exar_data, + }, +}; + +static int __init exar_init(void) +{ + return platform_device_register(&exar_device); +} + +module_init(exar_init); + +MODULE_AUTHOR("Paul B Schroeder"); +MODULE_DESCRIPTION("8250 serial probe module for Exar cards"); +MODULE_LICENSE("GPL"); diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index e936c91640b..fc12d5df10e 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -210,6 +210,17 @@ config SERIAL_8250_BOCA To compile this driver as a module, choose M here: the module will be called 8250_boca. +config SERIAL_8250_EXAR_ST16C554 + tristate "Support Exar ST16C554/554D Quad UART" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + The Uplogix Envoy TU301 uses this Exar Quad UART. If you are + tinkering with your Envoy TU301, or have a machine with this UART, + say Y here. + + To compile this driver as a module, choose M here: the module + will be called 8250_exar_st16c554. + config SERIAL_8250_HUB6 tristate "Support Hub6 cards" depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 0dba0017a00..df3632cd7df 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_SERIAL_8250_CONSOLE) += 8250_early.o obj-$(CONFIG_SERIAL_8250_FOURPORT) += 8250_fourport.o obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o +obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o obj-$(CONFIG_SERIAL_8250_AU1X00) += 8250_au1x00.o -- cgit v1.2.3 From 5ac29e62be2a581ec77953eca64d85ddeef488f0 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 6 Dec 2006 20:37:06 -0800 Subject: [PATCH] drivers/cdrom/*: trivial vsnprintf() conversion Fixing sbpcd.c baroque error printing in process. Signed-off-by: Alexey Dobriyan Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/cdrom/optcd.c | 2 +- drivers/cdrom/sbpcd.c | 5 ++--- 2 files changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/cdrom/optcd.c b/drivers/cdrom/optcd.c index 25032d7edc5..3541690a77d 100644 --- a/drivers/cdrom/optcd.c +++ b/drivers/cdrom/optcd.c @@ -101,7 +101,7 @@ static void debug(int debug_this, const char* fmt, ...) return; va_start(args, fmt); - vsprintf(s, fmt, args); + vsnprintf(s, sizeof(s), fmt, args); printk(KERN_DEBUG "optcd: %s\n", s); va_end(args); } diff --git a/drivers/cdrom/sbpcd.c b/drivers/cdrom/sbpcd.c index ba50e5a712f..a1283b1ef98 100644 --- a/drivers/cdrom/sbpcd.c +++ b/drivers/cdrom/sbpcd.c @@ -770,11 +770,10 @@ static void msg(int level, const char *fmt, ...) msgnum++; if (msgnum>99) msgnum=0; - sprintf(buf, MSG_LEVEL "%s-%d [%02d]: ", major_name, current_drive - D_S, msgnum); va_start(args, fmt); - vsprintf(&buf[18], fmt, args); + vsnprintf(buf, sizeof(buf), fmt, args); va_end(args); - printk(buf); + printk(MSG_LEVEL "%s-%d [%02d]: %s", major_name, current_drive - D_S, msgnum, buf); #if KLOGD_PAUSE sbp_sleep(KLOGD_PAUSE); /* else messages get lost */ #endif /* KLOGD_PAUSE */ -- cgit v1.2.3 From 5d469ec0f40d65b2a0a704402990a43b2dafe197 Mon Sep 17 00:00:00 2001 From: Neil Horman Date: Wed, 6 Dec 2006 20:37:08 -0800 Subject: [PATCH] Correct misc_register return code handling in several drivers Clean up several code points in which the return code from misc_register is not handled properly. Several modules failed to deregister various hooks when misc_register fails, and this patch cleans them up. Also there are a few modules that legitimately don't care about the failure status of misc register. These drivers however unilaterally call misc_deregister on module unload. Since misc_register doesn't initialize the list_head in the init_routine if it fails, the deregister operation is at risk for oopsing when list_del is called. The initial solution was to manually init the list in the miscdev structure in each of those modules, but the consensus in this thread was to consolodate and do that universally inside misc_register. Signed-off-by: Neil Horman Cc: Bjorn Helgaas Cc: Kylene Jo Hall Cc: Dmitry Torokhov Cc: Olaf Hering Cc: Benjamin Herrenschmidt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/misc.c | 2 ++ drivers/char/mmtimer.c | 23 ++++++++++++++++++----- drivers/char/tpm/tpm.c | 1 + drivers/input/misc/hp_sdc_rtc.c | 4 +++- drivers/macintosh/apm_emu.c | 3 ++- 5 files changed, 26 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 7a484fc7cb9..7e975f60692 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -199,6 +199,8 @@ int misc_register(struct miscdevice * misc) dev_t dev; int err = 0; + INIT_LIST_HEAD(&misc->list); + down(&misc_sem); list_for_each_entry(c, &misc_list, list) { if (c->minor == misc->minor) { diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 22b9905c1e5..c09160383a5 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -680,7 +680,7 @@ static int __init mmtimer_init(void) if (sn_rtc_cycles_per_second < 100000) { printk(KERN_ERR "%s: unable to determine clock frequency\n", MMTIMER_NAME); - return -1; + goto out1; } mmtimer_femtoperiod = ((unsigned long)1E15 + sn_rtc_cycles_per_second / @@ -689,13 +689,13 @@ static int __init mmtimer_init(void) if (request_irq(SGI_MMTIMER_VECTOR, mmtimer_interrupt, IRQF_PERCPU, MMTIMER_NAME, NULL)) { printk(KERN_WARNING "%s: unable to allocate interrupt.", MMTIMER_NAME); - return -1; + goto out1; } if (misc_register(&mmtimer_miscdev)) { printk(KERN_ERR "%s: failed to register device\n", MMTIMER_NAME); - return -1; + goto out2; } /* Get max numbered node, calculate slots needed */ @@ -709,16 +709,18 @@ static int __init mmtimer_init(void) if (timers == NULL) { printk(KERN_ERR "%s: failed to allocate memory for device\n", MMTIMER_NAME); - return -1; + goto out3; } + memset(timers,0,(sizeof(mmtimer_t *)*maxn)); + /* Allocate mmtimer_t's for each online node */ for_each_online_node(node) { timers[node] = kmalloc_node(sizeof(mmtimer_t)*NUM_COMPARATORS, GFP_KERNEL, node); if (timers[node] == NULL) { printk(KERN_ERR "%s: failed to allocate memory for device\n", MMTIMER_NAME); - return -1; + goto out4; } for (i=0; i< NUM_COMPARATORS; i++) { mmtimer_t * base = timers[node] + i; @@ -739,6 +741,17 @@ static int __init mmtimer_init(void) sn_rtc_cycles_per_second/(unsigned long)1E6); return 0; + +out4: + for_each_online_node(node) { + kfree(timers[node]); + } +out3: + misc_deregister(&mmtimer_miscdev); +out2: + free_irq(SGI_MMTIMER_VECTOR, NULL); +out1: + return -1; } module_init(mmtimer_init); diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 774fa861169..33e1f66e39c 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1155,6 +1155,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend if (sysfs_create_group(&dev->kobj, chip->vendor.attr_group)) { list_del(&chip->list); + misc_deregister(&chip->vendor.miscdev); put_device(dev); clear_bit(chip->dev_num, dev_mask); kfree(chip); diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index ab4da79ee56..31d5a13bfd6 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -695,7 +695,9 @@ static int __init hp_sdc_rtc_init(void) if ((ret = hp_sdc_request_timer_irq(&hp_sdc_rtc_isr))) return ret; - misc_register(&hp_sdc_rtc_dev); + if (misc_register(&hp_sdc_rtc_dev) != 0) + printk(KERN_INFO "Could not register misc. dev for i8042 rtc\n"); + create_proc_read_entry ("driver/rtc", 0, NULL, hp_sdc_rtc_read_proc, NULL); diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c index 1293876a2eb..8862a83b8d8 100644 --- a/drivers/macintosh/apm_emu.c +++ b/drivers/macintosh/apm_emu.c @@ -529,7 +529,8 @@ static int __init apm_emu_init(void) if (apm_proc) apm_proc->owner = THIS_MODULE; - misc_register(&apm_device); + if (misc_register(&apm_device) != 0) + printk(KERN_INFO "Could not create misc. device for apm\n"); pmu_register_sleep_notifier(&apm_sleep_notifier); -- cgit v1.2.3 From f6337e2af42f9ea9ce296cfa18966dcf4f045f7d Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 6 Dec 2006 20:37:17 -0800 Subject: [PATCH] i2lib unused variable cleanup In file included from drivers/char/ip2/ip2main.c:285: drivers/char/ip2/i2lib.c: In function `i2Output': drivers/char/ip2/i2lib.c:1019: warning: unused variable `rc' Signed-off-by: Mariusz Kozlowski Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ip2/i2lib.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c index c213fdbdb2b..78045767ec3 100644 --- a/drivers/char/ip2/i2lib.c +++ b/drivers/char/ip2/i2lib.c @@ -1016,7 +1016,6 @@ i2Output(i2ChanStrPtr pCh, const char *pSource, int count) unsigned short channel; unsigned short stuffIndex; unsigned long flags; - int rc = 0; int bailout = 10; -- cgit v1.2.3 From 0d75565f1e8f098b80a34ccf70db450f60618ec8 Mon Sep 17 00:00:00 2001 From: Kristian Kielhofner Date: Wed, 6 Dec 2006 20:37:28 -0800 Subject: [PATCH] PCEngines WRAP LED Support A driver for the PCEngines WRAP boards (http://www.pcengines.ch), which are very similar to the Soekris net4801 (same NS SC1100 geode reference design). The LEDs on the WRAP are on different GPIO lines and I have modified and copied the net48xx error led support for this. It also includes support for an "extra" led (in addition to error). The three LEDs on the WRAP are at GPIO lines 2,3,18 (WRAP LEDs from left to right). This driver gives access to the second and third LEDs by twiddling GPIO lines 3 & 18. Because these boards are so similar to the net48xx, I basically sed-ed that driver to form the basis for leds-wrap.c. The only changes from leds-net48xx.c are: - #define WRAP_EXTRA_LED_GPIO - name changes - duplicate relevant sections to provide support for the "extra" led - reverse the various *_led_set values. The WRAP is "backwards" from the net48xx, and these needed to be updated for that. [akpm@osdl.org: build fix] Signed-off-by: Kristian Kielhofner Acked-by: Richard Purdie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/leds/Kconfig | 6 ++ drivers/leds/Makefile | 1 + drivers/leds/leds-wrap.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 149 insertions(+) create mode 100644 drivers/leds/leds-wrap.c (limited to 'drivers') diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 9c39b98d5a5..176142c6149 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -76,6 +76,12 @@ config LEDS_NET48XX This option enables support for the Soekris net4801 and net4826 error LED. +config LEDS_WRAP + tristate "LED Support for the WRAP series LEDs" + depends on LEDS_CLASS && SCx200_GPIO + help + This option enables support for the PCEngines WRAP programmable LEDs. + comment "LED Triggers" config LEDS_TRIGGERS diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 6aa2aed7539..500de3dc962 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_LEDS_TOSA) += leds-tosa.o obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o +obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o diff --git a/drivers/leds/leds-wrap.c b/drivers/leds/leds-wrap.c new file mode 100644 index 00000000000..27fb2d8e991 --- /dev/null +++ b/drivers/leds/leds-wrap.c @@ -0,0 +1,142 @@ +/* + * LEDs driver for PCEngines WRAP + * + * Copyright (C) 2006 Kristian Kielhofner + * + * Based on leds-net48xx.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include + +#define DRVNAME "wrap-led" +#define WRAP_ERROR_LED_GPIO 3 +#define WRAP_EXTRA_LED_GPIO 18 + +static struct platform_device *pdev; + +static void wrap_error_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + if (value) + scx200_gpio_set_low(WRAP_ERROR_LED_GPIO); + else + scx200_gpio_set_high(WRAP_ERROR_LED_GPIO); +} + +static void wrap_extra_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + if (value) + scx200_gpio_set_low(WRAP_EXTRA_LED_GPIO); + else + scx200_gpio_set_high(WRAP_EXTRA_LED_GPIO); +} + +static struct led_classdev wrap_error_led = { + .name = "wrap:error", + .brightness_set = wrap_error_led_set, +}; + +static struct led_classdev wrap_extra_led = { + .name = "wrap:extra", + .brightness_set = wrap_extra_led_set, +}; + +#ifdef CONFIG_PM +static int wrap_led_suspend(struct platform_device *dev, + pm_message_t state) +{ + led_classdev_suspend(&wrap_error_led); + led_classdev_suspend(&wrap_extra_led); + return 0; +} + +static int wrap_led_resume(struct platform_device *dev) +{ + led_classdev_resume(&wrap_error_led); + led_classdev_resume(&wrap_extra_led); + return 0; +} +#else +#define wrap_led_suspend NULL +#define wrap_led_resume NULL +#endif + +static int wrap_led_probe(struct platform_device *pdev) +{ + int ret; + + ret = led_classdev_register(&pdev->dev, &wrap_error_led); + if (ret == 0) { + ret = led_classdev_register(&pdev->dev, &wrap_extra_led); + if (ret < 0) + led_classdev_unregister(&wrap_error_led); + } + return ret; +} + +static int wrap_led_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&wrap_error_led); + led_classdev_unregister(&wrap_extra_led); + return 0; +} + +static struct platform_driver wrap_led_driver = { + .probe = wrap_led_probe, + .remove = wrap_led_remove, + .suspend = wrap_led_suspend, + .resume = wrap_led_resume, + .driver = { + .name = DRVNAME, + .owner = THIS_MODULE, + }, +}; + +static int __init wrap_led_init(void) +{ + int ret; + + if (!scx200_gpio_present()) { + ret = -ENODEV; + goto out; + } + + ret = platform_driver_register(&wrap_led_driver); + if (ret < 0) + goto out; + + pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0); + if (IS_ERR(pdev)) { + ret = PTR_ERR(pdev); + platform_driver_unregister(&wrap_led_driver); + goto out; + } + +out: + return ret; +} + +static void __exit wrap_led_exit(void) +{ + platform_device_unregister(pdev); + platform_driver_unregister(&wrap_led_driver); +} + +module_init(wrap_led_init); +module_exit(wrap_led_exit); + +MODULE_AUTHOR("Kristian Kielhofner "); +MODULE_DESCRIPTION("PCEngines WRAP LED driver"); +MODULE_LICENSE("GPL"); + -- cgit v1.2.3 From 28ec24e23229ae3d333f8d7f0e6b31fa8ea7bf46 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 6 Dec 2006 20:37:29 -0800 Subject: [PATCH] driver/base/memory.c: handle errors properly Do proper error-checking and propagation in drivers/base/memory.c, hence fix __must_check warnings. Cc: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/memory.c | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/base/memory.c b/drivers/base/memory.c index c6b7d9c4b65..74b96795d2f 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -290,9 +290,8 @@ static CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL); static int block_size_init(void) { - sysfs_create_file(&memory_sysdev_class.kset.kobj, - &class_attr_block_size_bytes.attr); - return 0; + return sysfs_create_file(&memory_sysdev_class.kset.kobj, + &class_attr_block_size_bytes.attr); } /* @@ -323,12 +322,14 @@ static CLASS_ATTR(probe, 0700, NULL, memory_probe_store); static int memory_probe_init(void) { - sysfs_create_file(&memory_sysdev_class.kset.kobj, - &class_attr_probe.attr); - return 0; + return sysfs_create_file(&memory_sysdev_class.kset.kobj, + &class_attr_probe.attr); } #else -#define memory_probe_init(...) do {} while (0) +static inline int memory_probe_init(void) +{ + return 0; +} #endif /* @@ -431,9 +432,12 @@ int __init memory_dev_init(void) { unsigned int i; int ret; + int err; memory_sysdev_class.kset.uevent_ops = &memory_uevent_ops; ret = sysdev_class_register(&memory_sysdev_class); + if (ret) + goto out; /* * Create entries for memory sections that were found @@ -442,11 +446,19 @@ int __init memory_dev_init(void) for (i = 0; i < NR_MEM_SECTIONS; i++) { if (!valid_section_nr(i)) continue; - add_memory_block(0, __nr_to_section(i), MEM_ONLINE, 0); + err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE, 0); + if (!ret) + ret = err; } - memory_probe_init(); - block_size_init(); - + err = memory_probe_init(); + if (!ret) + ret = err; + err = block_size_init(); + if (!ret) + ret = err; +out: + if (ret) + printk(KERN_ERR "%s() failed: %d\n", __FUNCTION__, ret); return ret; } -- cgit v1.2.3 From c67220480e0dc6442851691c81c2ff7aa48f9d8f Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 6 Dec 2006 20:38:02 -0800 Subject: [PATCH] The scheduled removal of some OSS options The scheduled removal of the OSS drivers depending on OSS_OBSOLETE_DRIVER. Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/radio/Kconfig | 32 -------------------------------- 1 file changed, 32 deletions(-) (limited to 'drivers') diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 6d96b17a7f8..920b63f8cf0 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -173,38 +173,6 @@ config RADIO_MAESTRO To compile this driver as a module, choose M here: the module will be called radio-maestro. -config RADIO_MIROPCM20 - tristate "miroSOUND PCM20 radio" - depends on ISA && VIDEO_V4L1 && SOUND_ACI_MIXER - ---help--- - Choose Y here if you have this FM radio card. You also need to say Y - to "ACI mixer (miroSOUND PCM1-pro/PCM12/PCM20 radio)" (in "Sound") - for this to work. - - In order to control your radio card, you will need to use programs - that are compatible with the Video For Linux API. Information on - this API and pointers to "v4l" programs may be found at - . - - To compile this driver as a module, choose M here: the - module will be called miropcm20. - -config RADIO_MIROPCM20_RDS - tristate "miroSOUND PCM20 radio RDS user interface (EXPERIMENTAL)" - depends on RADIO_MIROPCM20 && EXPERIMENTAL - ---help--- - Choose Y here if you want to see RDS/RBDS information like - RadioText, Programme Service name, Clock Time and date, Programme - Type and Traffic Announcement/Programme identification. - - It's not possible to read the raw RDS packets from the device, so - the driver cant provide an V4L interface for this. But the - availability of RDS is reported over V4L by the basic driver - already. Here RDS can be read from files in /dev/v4l/rds. - - To compile this driver as a module, choose M here: the - module will be called miropcm20-rds. - config RADIO_SF16FMI tristate "SF16FMI Radio" depends on ISA && VIDEO_V4L2 -- cgit v1.2.3 From 940cc2df935d00e704c7b8366bdaedda379abf85 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 6 Dec 2006 20:38:04 -0800 Subject: [PATCH] make 1-bit bitfields unsigned Keeps sparse happy. Signed-of-by: Mariusz Kozlowski Cc: Russell King Cc: Mauro Carvalho Chehab Acked-by: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/hisax/isdnhdlc.h | 8 ++++---- drivers/media/dvb/frontends/l64781.c | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/isdn/hisax/isdnhdlc.h b/drivers/isdn/hisax/isdnhdlc.h index 269315988dc..5655b5f9c48 100644 --- a/drivers/isdn/hisax/isdnhdlc.h +++ b/drivers/isdn/hisax/isdnhdlc.h @@ -41,10 +41,10 @@ struct isdnhdlc_vars { unsigned char shift_reg; unsigned char ffvalue; - int data_received:1; // set if transferring data - int dchannel:1; // set if D channel (send idle instead of flags) - int do_adapt56:1; // set if 56K adaptation - int do_closing:1; // set if in closing phase (need to send CRC + flag + unsigned int data_received:1; // set if transferring data + unsigned int dchannel:1; // set if D channel (send idle instead of flags) + unsigned int do_adapt56:1; // set if 56K adaptation + unsigned int do_closing:1; // set if in closing phase (need to send CRC + flag }; diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c index f3bc82e44a2..1aeacb1c4af 100644 --- a/drivers/media/dvb/frontends/l64781.c +++ b/drivers/media/dvb/frontends/l64781.c @@ -36,7 +36,7 @@ struct l64781_state { struct dvb_frontend frontend; /* private demodulator data */ - int first:1; + unsigned int first:1; }; #define dprintk(args...) \ -- cgit v1.2.3 From c15bb296403f1ce448384d58742e0dc04f49d664 Mon Sep 17 00:00:00 2001 From: Linas Vepstas Date: Wed, 6 Dec 2006 20:38:07 -0800 Subject: [PATCH] HVCS char driver janitoring: move block of code Move a block of code from the bottom of the file to the top, which is needed to enable the cleanup. Signed-off-by: Linas Vepstas Cc: Ryan S. Arnold Cc: Michael Ellerman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/hvcs.c | 426 ++++++++++++++++++++++++++-------------------------- 1 file changed, 210 insertions(+), 216 deletions(-) (limited to 'drivers') diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 8728255c946..d090622f1de 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -337,11 +337,6 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp); static void hvcs_close(struct tty_struct *tty, struct file *filp); static void hvcs_hangup(struct tty_struct * tty); -static void hvcs_create_device_attrs(struct hvcs_struct *hvcsd); -static void hvcs_remove_device_attrs(struct vio_dev *vdev); -static void hvcs_create_driver_attrs(void); -static void hvcs_remove_driver_attrs(void); - static int __devinit hvcs_probe(struct vio_dev *dev, const struct vio_device_id *id); static int __devexit hvcs_remove(struct vio_dev *dev); @@ -353,6 +348,172 @@ static void __exit hvcs_module_exit(void); #define HVCS_TRY_WRITE 0x00000004 #define HVCS_READ_MASK (HVCS_SCHED_READ | HVCS_QUICK_READ) +static inline struct hvcs_struct *from_vio_dev(struct vio_dev *viod) +{ + return viod->dev.driver_data; +} +/* The sysfs interface for the driver and devices */ + +static ssize_t hvcs_partner_vtys_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + int retval; + + spin_lock_irqsave(&hvcsd->lock, flags); + retval = sprintf(buf, "%X\n", hvcsd->p_unit_address); + spin_unlock_irqrestore(&hvcsd->lock, flags); + return retval; +} +static DEVICE_ATTR(partner_vtys, S_IRUGO, hvcs_partner_vtys_show, NULL); + +static ssize_t hvcs_partner_clcs_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + int retval; + + spin_lock_irqsave(&hvcsd->lock, flags); + retval = sprintf(buf, "%s\n", &hvcsd->p_location_code[0]); + spin_unlock_irqrestore(&hvcsd->lock, flags); + return retval; +} +static DEVICE_ATTR(partner_clcs, S_IRUGO, hvcs_partner_clcs_show, NULL); + +static ssize_t hvcs_current_vty_store(struct device *dev, struct device_attribute *attr, const char * buf, + size_t count) +{ + /* + * Don't need this feature at the present time because firmware doesn't + * yet support multiple partners. + */ + printk(KERN_INFO "HVCS: Denied current_vty change: -EPERM.\n"); + return -EPERM; +} + +static ssize_t hvcs_current_vty_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + int retval; + + spin_lock_irqsave(&hvcsd->lock, flags); + retval = sprintf(buf, "%s\n", &hvcsd->p_location_code[0]); + spin_unlock_irqrestore(&hvcsd->lock, flags); + return retval; +} + +static DEVICE_ATTR(current_vty, + S_IRUGO | S_IWUSR, hvcs_current_vty_show, hvcs_current_vty_store); + +static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + + /* writing a '0' to this sysfs entry will result in the disconnect. */ + if (simple_strtol(buf, NULL, 0) != 0) + return -EINVAL; + + spin_lock_irqsave(&hvcsd->lock, flags); + + if (hvcsd->open_count > 0) { + spin_unlock_irqrestore(&hvcsd->lock, flags); + printk(KERN_INFO "HVCS: vterm state unchanged. " + "The hvcs device node is still in use.\n"); + return -EPERM; + } + + if (hvcsd->connected == 0) { + spin_unlock_irqrestore(&hvcsd->lock, flags); + printk(KERN_INFO "HVCS: vterm state unchanged. The" + " vty-server is not connected to a vty.\n"); + return -EPERM; + } + + hvcs_partner_free(hvcsd); + printk(KERN_INFO "HVCS: Closed vty-server@%X and" + " partner vty@%X:%d connection.\n", + hvcsd->vdev->unit_address, + hvcsd->p_unit_address, + (uint32_t)hvcsd->p_partition_ID); + + spin_unlock_irqrestore(&hvcsd->lock, flags); + return count; +} + +static ssize_t hvcs_vterm_state_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + int retval; + + spin_lock_irqsave(&hvcsd->lock, flags); + retval = sprintf(buf, "%d\n", hvcsd->connected); + spin_unlock_irqrestore(&hvcsd->lock, flags); + return retval; +} +static DEVICE_ATTR(vterm_state, S_IRUGO | S_IWUSR, + hvcs_vterm_state_show, hvcs_vterm_state_store); + +static ssize_t hvcs_index_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct vio_dev *viod = to_vio_dev(dev); + struct hvcs_struct *hvcsd = from_vio_dev(viod); + unsigned long flags; + int retval; + + spin_lock_irqsave(&hvcsd->lock, flags); + retval = sprintf(buf, "%d\n", hvcsd->index); + spin_unlock_irqrestore(&hvcsd->lock, flags); + return retval; +} + +static DEVICE_ATTR(index, S_IRUGO, hvcs_index_show, NULL); + +static struct attribute *hvcs_attrs[] = { + &dev_attr_partner_vtys.attr, + &dev_attr_partner_clcs.attr, + &dev_attr_current_vty.attr, + &dev_attr_vterm_state.attr, + &dev_attr_index.attr, + NULL, +}; + +static struct attribute_group hvcs_attr_group = { + .attrs = hvcs_attrs, +}; + +static ssize_t hvcs_rescan_show(struct device_driver *ddp, char *buf) +{ + /* A 1 means it is updating, a 0 means it is done updating */ + return snprintf(buf, PAGE_SIZE, "%d\n", hvcs_rescan_status); +} + +static ssize_t hvcs_rescan_store(struct device_driver *ddp, const char * buf, + size_t count) +{ + if ((simple_strtol(buf, NULL, 0) != 1) + && (hvcs_rescan_status != 0)) + return -EINVAL; + + hvcs_rescan_status = 1; + printk(KERN_INFO "HVCS: rescanning partner info for all" + " vty-servers.\n"); + hvcs_rescan_devices_list(); + hvcs_rescan_status = 0; + return count; +} + +static DRIVER_ATTR(rescan, + S_IRUGO | S_IWUSR, hvcs_rescan_show, hvcs_rescan_store); + static void hvcs_kick(void) { hvcs_kicked = 1; @@ -575,7 +736,7 @@ static void destroy_hvcs_struct(struct kobject *kobj) spin_unlock_irqrestore(&hvcsd->lock, flags); spin_unlock(&hvcs_structs_lock); - hvcs_remove_device_attrs(vdev); + sysfs_remove_group(&vdev->dev.kobj, &hvcs_attr_group); kfree(hvcsd); } @@ -608,6 +769,7 @@ static int __devinit hvcs_probe( { struct hvcs_struct *hvcsd; int index; + int retval; if (!dev || !id) { printk(KERN_ERR "HVCS: probed with invalid parameter.\n"); @@ -658,14 +820,16 @@ static int __devinit hvcs_probe( * the hvcs_struct has been added to the devices list then the user app * will get -ENODEV. */ - spin_lock(&hvcs_structs_lock); - list_add_tail(&(hvcsd->next), &hvcs_structs); - spin_unlock(&hvcs_structs_lock); - hvcs_create_device_attrs(hvcsd); + retval = sysfs_create_group(&dev->dev.kobj, &hvcs_attr_group); + if (retval) { + printk(KERN_ERR "HVCS: Can't create sysfs attrs for vty-server@%X\n", + hvcsd->vdev->unit_address); + return retval; + } printk(KERN_INFO "HVCS: vty-server@%X added to the vio bus.\n", dev->unit_address); @@ -1354,8 +1518,10 @@ static int __init hvcs_module_init(void) if (!hvcs_tty_driver) return -ENOMEM; - if (hvcs_alloc_index_list(num_ttys_to_alloc)) - return -ENOMEM; + if (hvcs_alloc_index_list(num_ttys_to_alloc)) { + rc = -ENOMEM; + goto index_fail; + } hvcs_tty_driver->owner = THIS_MODULE; @@ -1385,41 +1551,57 @@ static int __init hvcs_module_init(void) * dynamically assigned major and minor numbers for our devices. */ if (tty_register_driver(hvcs_tty_driver)) { - printk(KERN_ERR "HVCS: registration " - " as a tty driver failed.\n"); - hvcs_free_index_list(); - put_tty_driver(hvcs_tty_driver); - return -EIO; + printk(KERN_ERR "HVCS: registration as a tty driver failed.\n"); + rc = -EIO; + goto register_fail; } hvcs_pi_buff = kmalloc(PAGE_SIZE, GFP_KERNEL); if (!hvcs_pi_buff) { - tty_unregister_driver(hvcs_tty_driver); - hvcs_free_index_list(); - put_tty_driver(hvcs_tty_driver); - return -ENOMEM; + rc = -ENOMEM; + goto buff_alloc_fail; } hvcs_task = kthread_run(khvcsd, NULL, "khvcsd"); if (IS_ERR(hvcs_task)) { printk(KERN_ERR "HVCS: khvcsd creation failed. Driver not loaded.\n"); - kfree(hvcs_pi_buff); - tty_unregister_driver(hvcs_tty_driver); - hvcs_free_index_list(); - put_tty_driver(hvcs_tty_driver); - return -EIO; + rc = -EIO; + goto kthread_fail; } rc = vio_register_driver(&hvcs_vio_driver); + if (rc) { + printk(KERN_ERR "HVCS: can't register vio driver\n"); + goto vio_fail; + } /* * This needs to be done AFTER the vio_register_driver() call or else * the kobjects won't be initialized properly. */ - hvcs_create_driver_attrs(); + rc = driver_create_file(&(hvcs_vio_driver.driver), &driver_attr_rescan); + if (rc) { + printk(KERN_ERR "HVCS: sysfs attr create failed\n"); + goto attr_fail; + } printk(KERN_INFO "HVCS: driver module inserted.\n"); + return 0; + +attr_fail: + vio_unregister_driver(&hvcs_vio_driver); +vio_fail: + kthread_stop(hvcs_task); +kthread_fail: + kfree(hvcs_pi_buff); +buff_alloc_fail: + tty_unregister_driver(hvcs_tty_driver); +register_fail: + hvcs_free_index_list(); +index_fail: + put_tty_driver(hvcs_tty_driver); + hvcs_tty_driver = NULL; return rc; } @@ -1441,7 +1623,7 @@ static void __exit hvcs_module_exit(void) hvcs_pi_buff = NULL; spin_unlock(&hvcs_pi_lock); - hvcs_remove_driver_attrs(); + driver_remove_file(&hvcs_vio_driver.driver, &driver_attr_rescan); vio_unregister_driver(&hvcs_vio_driver); @@ -1456,191 +1638,3 @@ static void __exit hvcs_module_exit(void) module_init(hvcs_module_init); module_exit(hvcs_module_exit); - -static inline struct hvcs_struct *from_vio_dev(struct vio_dev *viod) -{ - return viod->dev.driver_data; -} -/* The sysfs interface for the driver and devices */ - -static ssize_t hvcs_partner_vtys_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - int retval; - - spin_lock_irqsave(&hvcsd->lock, flags); - retval = sprintf(buf, "%X\n", hvcsd->p_unit_address); - spin_unlock_irqrestore(&hvcsd->lock, flags); - return retval; -} -static DEVICE_ATTR(partner_vtys, S_IRUGO, hvcs_partner_vtys_show, NULL); - -static ssize_t hvcs_partner_clcs_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - int retval; - - spin_lock_irqsave(&hvcsd->lock, flags); - retval = sprintf(buf, "%s\n", &hvcsd->p_location_code[0]); - spin_unlock_irqrestore(&hvcsd->lock, flags); - return retval; -} -static DEVICE_ATTR(partner_clcs, S_IRUGO, hvcs_partner_clcs_show, NULL); - -static ssize_t hvcs_current_vty_store(struct device *dev, struct device_attribute *attr, const char * buf, - size_t count) -{ - /* - * Don't need this feature at the present time because firmware doesn't - * yet support multiple partners. - */ - printk(KERN_INFO "HVCS: Denied current_vty change: -EPERM.\n"); - return -EPERM; -} - -static ssize_t hvcs_current_vty_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - int retval; - - spin_lock_irqsave(&hvcsd->lock, flags); - retval = sprintf(buf, "%s\n", &hvcsd->p_location_code[0]); - spin_unlock_irqrestore(&hvcsd->lock, flags); - return retval; -} - -static DEVICE_ATTR(current_vty, - S_IRUGO | S_IWUSR, hvcs_current_vty_show, hvcs_current_vty_store); - -static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - - /* writing a '0' to this sysfs entry will result in the disconnect. */ - if (simple_strtol(buf, NULL, 0) != 0) - return -EINVAL; - - spin_lock_irqsave(&hvcsd->lock, flags); - - if (hvcsd->open_count > 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. " - "The hvcs device node is still in use.\n"); - return -EPERM; - } - - if (hvcsd->connected == 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. The" - " vty-server is not connected to a vty.\n"); - return -EPERM; - } - - hvcs_partner_free(hvcsd); - printk(KERN_INFO "HVCS: Closed vty-server@%X and" - " partner vty@%X:%d connection.\n", - hvcsd->vdev->unit_address, - hvcsd->p_unit_address, - (uint32_t)hvcsd->p_partition_ID); - - spin_unlock_irqrestore(&hvcsd->lock, flags); - return count; -} - -static ssize_t hvcs_vterm_state_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - int retval; - - spin_lock_irqsave(&hvcsd->lock, flags); - retval = sprintf(buf, "%d\n", hvcsd->connected); - spin_unlock_irqrestore(&hvcsd->lock, flags); - return retval; -} -static DEVICE_ATTR(vterm_state, S_IRUGO | S_IWUSR, - hvcs_vterm_state_show, hvcs_vterm_state_store); - -static ssize_t hvcs_index_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct vio_dev *viod = to_vio_dev(dev); - struct hvcs_struct *hvcsd = from_vio_dev(viod); - unsigned long flags; - int retval; - - spin_lock_irqsave(&hvcsd->lock, flags); - retval = sprintf(buf, "%d\n", hvcsd->index); - spin_unlock_irqrestore(&hvcsd->lock, flags); - return retval; -} - -static DEVICE_ATTR(index, S_IRUGO, hvcs_index_show, NULL); - -static struct attribute *hvcs_attrs[] = { - &dev_attr_partner_vtys.attr, - &dev_attr_partner_clcs.attr, - &dev_attr_current_vty.attr, - &dev_attr_vterm_state.attr, - &dev_attr_index.attr, - NULL, -}; - -static struct attribute_group hvcs_attr_group = { - .attrs = hvcs_attrs, -}; - -static void hvcs_create_device_attrs(struct hvcs_struct *hvcsd) -{ - struct vio_dev *vdev = hvcsd->vdev; - sysfs_create_group(&vdev->dev.kobj, &hvcs_attr_group); -} - -static void hvcs_remove_device_attrs(struct vio_dev *vdev) -{ - sysfs_remove_group(&vdev->dev.kobj, &hvcs_attr_group); -} - -static ssize_t hvcs_rescan_show(struct device_driver *ddp, char *buf) -{ - /* A 1 means it is updating, a 0 means it is done updating */ - return snprintf(buf, PAGE_SIZE, "%d\n", hvcs_rescan_status); -} - -static ssize_t hvcs_rescan_store(struct device_driver *ddp, const char * buf, - size_t count) -{ - if ((simple_strtol(buf, NULL, 0) != 1) - && (hvcs_rescan_status != 0)) - return -EINVAL; - - hvcs_rescan_status = 1; - printk(KERN_INFO "HVCS: rescanning partner info for all" - " vty-servers.\n"); - hvcs_rescan_devices_list(); - hvcs_rescan_status = 0; - return count; -} -static DRIVER_ATTR(rescan, - S_IRUGO | S_IWUSR, hvcs_rescan_show, hvcs_rescan_store); - -static void hvcs_create_driver_attrs(void) -{ - struct device_driver *driverfs = &(hvcs_vio_driver.driver); - driver_create_file(driverfs, &driver_attr_rescan); -} - -static void hvcs_remove_driver_attrs(void) -{ - struct device_driver *driverfs = &(hvcs_vio_driver.driver); - driver_remove_file(driverfs, &driver_attr_rescan); -} -- cgit v1.2.3 From 02316067852187b8bec781bec07410e91af79627 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 6 Dec 2006 20:38:17 -0800 Subject: [PATCH] hotplug CPU: clean up hotcpu_notifier() use There was lots of #ifdef noise in the kernel due to hotcpu_notifier(fn, prio) not correctly marking 'fn' as used in the !HOTPLUG_CPU case, and thus generating compiler warnings of unused symbols, hence forcing people to add #ifdefs. the compiler can skip truly unused functions just fine: text data bss dec hex filename 1624412 728710 3674856 6027978 5bfaca vmlinux.before 1624412 728710 3674856 6027978 5bfaca vmlinux.after [akpm@osdl.org: topology.c fix] Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/topology.c | 2 -- drivers/cpufreq/cpufreq.c | 2 -- 2 files changed, 4 deletions(-) (limited to 'drivers') diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 3d12b85b096..067a9e8bc37 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -108,7 +108,6 @@ static int __cpuinit topology_add_dev(unsigned int cpu) return rc; } -#ifdef CONFIG_HOTPLUG_CPU static void __cpuinit topology_remove_dev(unsigned int cpu) { struct sys_device *sys_dev = get_cpu_sysdev(cpu); @@ -136,7 +135,6 @@ static int __cpuinit topology_cpu_callback(struct notifier_block *nfb, } return rc ? NOTIFY_BAD : NOTIFY_OK; } -#endif static int __cpuinit topology_sysfs_init(void) { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 7a7c6e6dfe4..47ab42db122 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1537,7 +1537,6 @@ int cpufreq_update_policy(unsigned int cpu) } EXPORT_SYMBOL(cpufreq_update_policy); -#ifdef CONFIG_HOTPLUG_CPU static int cpufreq_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { @@ -1577,7 +1576,6 @@ static struct notifier_block __cpuinitdata cpufreq_cpu_notifier = { .notifier_call = cpufreq_cpu_callback, }; -#endif /* CONFIG_HOTPLUG_CPU */ /********************************************************************* * REGISTER / UNREGISTER CPUFREQ DRIVER * -- cgit v1.2.3 From fed806f4072badad614699e1d40202e0ffef5c63 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 6 Dec 2006 20:38:20 -0800 Subject: [PATCH] allow hwrandom core to be a module Despite it being small, there should be the option of making it a module... Signed-off-by: Jan Beulich Cc: Michael Buesch Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/hw_random/Kconfig | 19 +++++++++++-------- drivers/char/hw_random/Makefile | 3 ++- 2 files changed, 13 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 9f7635f7517..5f3acd8e64b 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -3,17 +3,20 @@ # config HW_RANDOM - bool "Hardware Random Number Generator Core support" - default y + tristate "Hardware Random Number Generator Core support" + default m ---help--- Hardware Random Number Generator Core infrastructure. + To compile this driver as a module, choose M here: the + module will be called rng-core. + If unsure, say Y. config HW_RANDOM_INTEL tristate "Intel HW Random Number Generator support" depends on HW_RANDOM && (X86 || IA64) && PCI - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on Intel i8xx-based motherboards. @@ -26,7 +29,7 @@ config HW_RANDOM_INTEL config HW_RANDOM_AMD tristate "AMD HW Random Number Generator support" depends on HW_RANDOM && X86 && PCI - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on AMD 76x-based motherboards. @@ -39,7 +42,7 @@ config HW_RANDOM_AMD config HW_RANDOM_GEODE tristate "AMD Geode HW Random Number Generator support" depends on HW_RANDOM && X86 && PCI - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on the AMD Geode LX. @@ -52,7 +55,7 @@ config HW_RANDOM_GEODE config HW_RANDOM_VIA tristate "VIA HW Random Number Generator support" depends on HW_RANDOM && X86_32 - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on VIA based motherboards. @@ -65,7 +68,7 @@ config HW_RANDOM_VIA config HW_RANDOM_IXP4XX tristate "Intel IXP4xx NPU HW Random Number Generator support" depends on HW_RANDOM && ARCH_IXP4XX - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on the Intel IXP4xx NPU. @@ -78,7 +81,7 @@ config HW_RANDOM_IXP4XX config HW_RANDOM_OMAP tristate "OMAP Random Number Generator support" depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP24XX) - default y + default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number Generator hardware found on OMAP16xx and OMAP24xx multimedia diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index e263ae96f94..c41fa19454e 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -2,7 +2,8 @@ # Makefile for HW Random Number Generator (RNG) device drivers. # -obj-$(CONFIG_HW_RANDOM) += core.o +obj-$(CONFIG_HW_RANDOM) += rng-core.o +rng-core-y := core.o obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o -- cgit v1.2.3 From 9d69b7d3d115d0db3ddd87f09e496db7ecf72650 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:23 -0800 Subject: [PATCH] I2O: handle __copy_from_user Handle __copy_from_user() return value. Noticed by inspection, not from build warning. Signed-off-by: Randy Dunlap Cc: Markus Lidel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/message/i2o/i2o_config.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 7d23e082bf2..685d7a45072 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -265,7 +265,11 @@ static int i2o_cfg_swdl(unsigned long arg) return -ENOMEM; } - __copy_from_user(buffer.virt, kxfer.buf, fragsize); + if (__copy_from_user(buffer.virt, kxfer.buf, fragsize)) { + i2o_msg_nop(c, msg); + i2o_dma_free(&c->pdev->dev, &buffer); + return -EFAULT; + } msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7); msg->u.head[1] = -- cgit v1.2.3 From f13a603786819cc8f2eef6a89bc4a6c88f40ee60 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:24 -0800 Subject: [PATCH] I2O: fix I2O_CONFIG without Adaptec extension With I2O_CONFIG=y and I2O_EXT_ADAPTEC=n, kernel build gets: drivers/message/i2o/i2o_config.c:1115: error: 'i2o_cfg_compat_ioctl' undeclared here (not in a function) Signed-off-by: Randy Dunlap Cc: Markus Lidel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/message/i2o/i2o_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 685d7a45072..1de30d71167 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -520,7 +520,6 @@ static int i2o_cfg_evt_get(unsigned long arg, struct file *fp) return 0; } -#ifdef CONFIG_I2O_EXT_ADAPTEC #ifdef CONFIG_COMPAT static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long arg) @@ -763,6 +762,7 @@ static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd, #endif +#ifdef CONFIG_I2O_EXT_ADAPTEC static int i2o_cfg_passthru(unsigned long arg) { struct i2o_cmd_passthru __user *cmd = -- cgit v1.2.3 From 4438982f56b7e2ecb7932612601ba0390972ce3b Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:33 -0800 Subject: [PATCH] parport: section mismatches with HOTPLUG=n When CONFIG_HOTPLUG=n, parport_pc calls some __devinit == __init code that could be discarded. These calls are made from parport_irq_probe(), which is called from parport_pc_probe_port(), which is an exported symbol, so the calls could (possibly) happen after init time. WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text between 'parport_irq_probe' (at offset 0x31d) and 'parport_pc_probe_port' WARNING: drivers/parport/parport_pc.o - Section mismatch: reference to .init.text: from .text between 'parport_irq_probe' (at offset 0x346) and 'parport_pc_probe_port' Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/parport/parport_pc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 5749500f45f..b61c17b3e29 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -1975,7 +1975,7 @@ static int __devinit parport_ECPPS2_supported(struct parport *pb){return 0;} /* --- IRQ detection -------------------------------------- */ /* Only if supports ECP mode */ -static int __devinit programmable_irq_support(struct parport *pb) +static int programmable_irq_support(struct parport *pb) { int irq, intrLine; unsigned char oecr = inb (ECONTROL (pb)); @@ -1992,7 +1992,7 @@ static int __devinit programmable_irq_support(struct parport *pb) return irq; } -static int __devinit irq_probe_ECP(struct parport *pb) +static int irq_probe_ECP(struct parport *pb) { int i; unsigned long irqs; @@ -2020,7 +2020,7 @@ static int __devinit irq_probe_ECP(struct parport *pb) * This detection seems that only works in National Semiconductors * This doesn't work in SMC, LGS, and Winbond */ -static int __devinit irq_probe_EPP(struct parport *pb) +static int irq_probe_EPP(struct parport *pb) { #ifndef ADVANCED_DETECT return PARPORT_IRQ_NONE; @@ -2059,7 +2059,7 @@ static int __devinit irq_probe_EPP(struct parport *pb) #endif /* Advanced detection */ } -static int __devinit irq_probe_SPP(struct parport *pb) +static int irq_probe_SPP(struct parport *pb) { /* Don't even try to do this. */ return PARPORT_IRQ_NONE; -- cgit v1.2.3 From da015a6744f3648d34b83d1c4e015e6a798b8c56 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:35 -0800 Subject: [PATCH] agp-amd64: section mismatches with HOTPLUG=n When CONFIG_HOTPLUG=n, agp_amd64_resume() calls nforce3_agp_init(), which is __devinit == __init, so has been discarded and is not usable for resume. WARNING: drivers/char/agp/amd64-agp.o - Section mismatch: reference to .init.text: from .text between 'agp_amd64_resume' (at offset 0x249) and 'amd64_tlbflush' Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/agp/amd64-agp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 00b17ae3973..2f2c4efff8a 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -459,7 +459,7 @@ static const struct aper_size_info_32 nforce3_sizes[5] = /* Handle shadow device of the Nvidia NForce3 */ /* CHECK-ME original 2.4 version set up some IORRs. Check if that is needed. */ -static int __devinit nforce3_agp_init(struct pci_dev *pdev) +static int nforce3_agp_init(struct pci_dev *pdev) { u32 tmp, apbase, apbar, aplimit; struct pci_dev *dev1; -- cgit v1.2.3 From db68b189f4b8026b2f532e1b1bbdba5fcb36638c Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 6 Dec 2006 20:38:36 -0800 Subject: [PATCH] add rtc-omap driver This creates a new RTC-framework driver for the RTC/calendar module found in various OMAP1 chips. (OMAP2 and OMAP3 use external RTCs, like those in TI's multifunction PM companion chips.) It's been in the Linux-OMAP tree for several months now, and other trees before that, so it's quite stable. The most notable issue is that the OMAP IRQ code doesn't yet support the RTC IRQ as a wakeup event. Once that's fixed, a patch will be needed. Signed-off-by: David Brownell Acked-by: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/Kconfig | 8 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-omap.c | 572 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 581 insertions(+) create mode 100644 drivers/rtc/rtc-omap.c (limited to 'drivers') diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index fc766a7a611..4d32bad79f1 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -163,6 +163,14 @@ config RTC_DRV_DS1742 This driver can also be built as a module. If so, the module will be called rtc-ds1742. +config RTC_DRV_OMAP + tristate "TI OMAP1" + depends on RTC_CLASS && ( \ + ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 ) + help + Say "yes" here to support the real time clock on TI OMAP1 chips. + This driver can also be built as a module called rtc-omap. + config RTC_DRV_PCF8563 tristate "Philips PCF8563/Epson RTC8564" depends on RTC_CLASS && I2C diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 3ba5ff6e680..bd4c45d333f 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o +obj-$(CONFIG_RTC_DRV_OMAP) += rtc-omap.o obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c new file mode 100644 index 00000000000..eac5fb1fc02 --- /dev/null +++ b/drivers/rtc/rtc-omap.c @@ -0,0 +1,572 @@ +/* + * TI OMAP1 Real Time Clock interface for Linux + * + * Copyright (C) 2003 MontaVista Software, Inc. + * Author: George G. Davis or + * + * Copyright (C) 2006 David Brownell (new RTC framework) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + + +/* The OMAP1 RTC is a year/month/day/hours/minutes/seconds BCD clock + * with century-range alarm matching, driven by the 32kHz clock. + * + * The main user-visible ways it differs from PC RTCs are by omitting + * "don't care" alarm fields and sub-second periodic IRQs, and having + * an autoadjust mechanism to calibrate to the true oscillator rate. + * + * Board-specific wiring options include using split power mode with + * RTC_OFF_NOFF used as the reset signal (so the RTC won't be reset), + * and wiring RTC_WAKE_INT (so the RTC alarm can wake the system from + * low power modes). See the BOARD-SPECIFIC CUSTOMIZATION comment. + */ + +#define OMAP_RTC_BASE 0xfffb4800 + +/* RTC registers */ +#define OMAP_RTC_SECONDS_REG 0x00 +#define OMAP_RTC_MINUTES_REG 0x04 +#define OMAP_RTC_HOURS_REG 0x08 +#define OMAP_RTC_DAYS_REG 0x0C +#define OMAP_RTC_MONTHS_REG 0x10 +#define OMAP_RTC_YEARS_REG 0x14 +#define OMAP_RTC_WEEKS_REG 0x18 + +#define OMAP_RTC_ALARM_SECONDS_REG 0x20 +#define OMAP_RTC_ALARM_MINUTES_REG 0x24 +#define OMAP_RTC_ALARM_HOURS_REG 0x28 +#define OMAP_RTC_ALARM_DAYS_REG 0x2c +#define OMAP_RTC_ALARM_MONTHS_REG 0x30 +#define OMAP_RTC_ALARM_YEARS_REG 0x34 + +#define OMAP_RTC_CTRL_REG 0x40 +#define OMAP_RTC_STATUS_REG 0x44 +#define OMAP_RTC_INTERRUPTS_REG 0x48 + +#define OMAP_RTC_COMP_LSB_REG 0x4c +#define OMAP_RTC_COMP_MSB_REG 0x50 +#define OMAP_RTC_OSC_REG 0x54 + +/* OMAP_RTC_CTRL_REG bit fields: */ +#define OMAP_RTC_CTRL_SPLIT (1<<7) +#define OMAP_RTC_CTRL_DISABLE (1<<6) +#define OMAP_RTC_CTRL_SET_32_COUNTER (1<<5) +#define OMAP_RTC_CTRL_TEST (1<<4) +#define OMAP_RTC_CTRL_MODE_12_24 (1<<3) +#define OMAP_RTC_CTRL_AUTO_COMP (1<<2) +#define OMAP_RTC_CTRL_ROUND_30S (1<<1) +#define OMAP_RTC_CTRL_STOP (1<<0) + +/* OMAP_RTC_STATUS_REG bit fields: */ +#define OMAP_RTC_STATUS_POWER_UP (1<<7) +#define OMAP_RTC_STATUS_ALARM (1<<6) +#define OMAP_RTC_STATUS_1D_EVENT (1<<5) +#define OMAP_RTC_STATUS_1H_EVENT (1<<4) +#define OMAP_RTC_STATUS_1M_EVENT (1<<3) +#define OMAP_RTC_STATUS_1S_EVENT (1<<2) +#define OMAP_RTC_STATUS_RUN (1<<1) +#define OMAP_RTC_STATUS_BUSY (1<<0) + +/* OMAP_RTC_INTERRUPTS_REG bit fields: */ +#define OMAP_RTC_INTERRUPTS_IT_ALARM (1<<3) +#define OMAP_RTC_INTERRUPTS_IT_TIMER (1<<2) + + +#define rtc_read(addr) omap_readb(OMAP_RTC_BASE + (addr)) +#define rtc_write(val, addr) omap_writeb(val, OMAP_RTC_BASE + (addr)) + + +/* platform_bus isn't hotpluggable, so for static linkage it'd be safe + * to get rid of probe() and remove() code ... too bad the driver struct + * remembers probe(), that's about 25% of the runtime footprint!! + */ +#ifndef MODULE +#undef __devexit +#undef __devexit_p +#define __devexit __exit +#define __devexit_p __exit_p +#endif + + +/* we rely on the rtc framework to handle locking (rtc->ops_lock), + * so the only other requirement is that register accesses which + * require BUSY to be clear are made with IRQs locally disabled + */ +static void rtc_wait_not_busy(void) +{ + int count = 0; + u8 status; + + /* BUSY may stay active for 1/32768 second (~30 usec) */ + for (count = 0; count < 50; count++) { + status = rtc_read(OMAP_RTC_STATUS_REG); + if ((status & (u8)OMAP_RTC_STATUS_BUSY) == 0) + break; + udelay(1); + } + /* now we have ~15 usec to read/write various registers */ +} + +static irqreturn_t rtc_irq(int irq, void *class_dev) +{ + unsigned long events = 0; + u8 irq_data; + + irq_data = rtc_read(OMAP_RTC_STATUS_REG); + + /* alarm irq? */ + if (irq_data & OMAP_RTC_STATUS_ALARM) { + rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG); + events |= RTC_IRQF | RTC_AF; + } + + /* 1/sec periodic/update irq? */ + if (irq_data & OMAP_RTC_STATUS_1S_EVENT) + events |= RTC_IRQF | RTC_UF; + + rtc_update_irq(class_dev, 1, events); + + return IRQ_HANDLED; +} + +#ifdef CONFIG_RTC_INTF_DEV + +static int +omap_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +{ + u8 reg; + + switch (cmd) { + case RTC_AIE_OFF: + case RTC_AIE_ON: + case RTC_UIE_OFF: + case RTC_UIE_ON: + break; + default: + return -ENOIOCTLCMD; + } + + local_irq_disable(); + rtc_wait_not_busy(); + reg = rtc_read(OMAP_RTC_INTERRUPTS_REG); + switch (cmd) { + /* AIE = Alarm Interrupt Enable */ + case RTC_AIE_OFF: + reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM; + break; + case RTC_AIE_ON: + reg |= OMAP_RTC_INTERRUPTS_IT_ALARM; + break; + /* UIE = Update Interrupt Enable (1/second) */ + case RTC_UIE_OFF: + reg &= ~OMAP_RTC_INTERRUPTS_IT_TIMER; + break; + case RTC_UIE_ON: + reg |= OMAP_RTC_INTERRUPTS_IT_TIMER; + break; + } + rtc_wait_not_busy(); + rtc_write(reg, OMAP_RTC_INTERRUPTS_REG); + local_irq_enable(); + + return 0; +} + +#else +#define omap_rtc_ioctl NULL +#endif + +/* this hardware doesn't support "don't care" alarm fields */ +static int tm2bcd(struct rtc_time *tm) +{ + if (rtc_valid_tm(tm) != 0) + return -EINVAL; + + tm->tm_sec = BIN2BCD(tm->tm_sec); + tm->tm_min = BIN2BCD(tm->tm_min); + tm->tm_hour = BIN2BCD(tm->tm_hour); + tm->tm_mday = BIN2BCD(tm->tm_mday); + + tm->tm_mon = BIN2BCD(tm->tm_mon + 1); + + /* epoch == 1900 */ + if (tm->tm_year < 100 || tm->tm_year > 199) + return -EINVAL; + tm->tm_year = BIN2BCD(tm->tm_year - 100); + + return 0; +} + +static void bcd2tm(struct rtc_time *tm) +{ + tm->tm_sec = BCD2BIN(tm->tm_sec); + tm->tm_min = BCD2BIN(tm->tm_min); + tm->tm_hour = BCD2BIN(tm->tm_hour); + tm->tm_mday = BCD2BIN(tm->tm_mday); + tm->tm_mon = BCD2BIN(tm->tm_mon) - 1; + /* epoch == 1900 */ + tm->tm_year = BCD2BIN(tm->tm_year) + 100; +} + + +static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + /* we don't report wday/yday/isdst ... */ + local_irq_disable(); + rtc_wait_not_busy(); + + tm->tm_sec = rtc_read(OMAP_RTC_SECONDS_REG); + tm->tm_min = rtc_read(OMAP_RTC_MINUTES_REG); + tm->tm_hour = rtc_read(OMAP_RTC_HOURS_REG); + tm->tm_mday = rtc_read(OMAP_RTC_DAYS_REG); + tm->tm_mon = rtc_read(OMAP_RTC_MONTHS_REG); + tm->tm_year = rtc_read(OMAP_RTC_YEARS_REG); + + local_irq_enable(); + + bcd2tm(tm); + return 0; +} + +static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + if (tm2bcd(tm) < 0) + return -EINVAL; + local_irq_disable(); + rtc_wait_not_busy(); + + rtc_write(tm->tm_year, OMAP_RTC_YEARS_REG); + rtc_write(tm->tm_mon, OMAP_RTC_MONTHS_REG); + rtc_write(tm->tm_mday, OMAP_RTC_DAYS_REG); + rtc_write(tm->tm_hour, OMAP_RTC_HOURS_REG); + rtc_write(tm->tm_min, OMAP_RTC_MINUTES_REG); + rtc_write(tm->tm_sec, OMAP_RTC_SECONDS_REG); + + local_irq_enable(); + + return 0; +} + +static int omap_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + local_irq_disable(); + rtc_wait_not_busy(); + + alm->time.tm_sec = rtc_read(OMAP_RTC_ALARM_SECONDS_REG); + alm->time.tm_min = rtc_read(OMAP_RTC_ALARM_MINUTES_REG); + alm->time.tm_hour = rtc_read(OMAP_RTC_ALARM_HOURS_REG); + alm->time.tm_mday = rtc_read(OMAP_RTC_ALARM_DAYS_REG); + alm->time.tm_mon = rtc_read(OMAP_RTC_ALARM_MONTHS_REG); + alm->time.tm_year = rtc_read(OMAP_RTC_ALARM_YEARS_REG); + + local_irq_enable(); + + bcd2tm(&alm->time); + alm->pending = !!(rtc_read(OMAP_RTC_INTERRUPTS_REG) + & OMAP_RTC_INTERRUPTS_IT_ALARM); + alm->enabled = alm->pending && device_may_wakeup(dev); + + return 0; +} + +static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + u8 reg; + + /* Much userspace code uses RTC_ALM_SET, thus "don't care" for + * day/month/year specifies alarms up to 24 hours in the future. + * So we need to handle that ... but let's ignore the "don't care" + * values for hours/minutes/seconds. + */ + if (alm->time.tm_mday <= 0 + && alm->time.tm_mon < 0 + && alm->time.tm_year < 0) { + struct rtc_time tm; + unsigned long now, then; + + omap_rtc_read_time(dev, &tm); + rtc_tm_to_time(&tm, &now); + + alm->time.tm_mday = tm.tm_mday; + alm->time.tm_mon = tm.tm_mon; + alm->time.tm_year = tm.tm_year; + rtc_tm_to_time(&alm->time, &then); + + /* sometimes the alarm wraps into tomorrow */ + if (then < now) { + rtc_time_to_tm(now + 24 * 60 * 60, &tm); + alm->time.tm_mday = tm.tm_mday; + alm->time.tm_mon = tm.tm_mon; + alm->time.tm_year = tm.tm_year; + } + } + + if (tm2bcd(&alm->time) < 0) + return -EINVAL; + + local_irq_disable(); + rtc_wait_not_busy(); + + rtc_write(alm->time.tm_year, OMAP_RTC_ALARM_YEARS_REG); + rtc_write(alm->time.tm_mon, OMAP_RTC_ALARM_MONTHS_REG); + rtc_write(alm->time.tm_mday, OMAP_RTC_ALARM_DAYS_REG); + rtc_write(alm->time.tm_hour, OMAP_RTC_ALARM_HOURS_REG); + rtc_write(alm->time.tm_min, OMAP_RTC_ALARM_MINUTES_REG); + rtc_write(alm->time.tm_sec, OMAP_RTC_ALARM_SECONDS_REG); + + reg = rtc_read(OMAP_RTC_INTERRUPTS_REG); + if (alm->enabled) + reg |= OMAP_RTC_INTERRUPTS_IT_ALARM; + else + reg &= ~OMAP_RTC_INTERRUPTS_IT_ALARM; + rtc_write(reg, OMAP_RTC_INTERRUPTS_REG); + + local_irq_enable(); + + return 0; +} + +static struct rtc_class_ops omap_rtc_ops = { + .ioctl = omap_rtc_ioctl, + .read_time = omap_rtc_read_time, + .set_time = omap_rtc_set_time, + .read_alarm = omap_rtc_read_alarm, + .set_alarm = omap_rtc_set_alarm, +}; + +static int omap_rtc_alarm; +static int omap_rtc_timer; + +static int __devinit omap_rtc_probe(struct platform_device *pdev) +{ + struct resource *res, *mem; + struct rtc_device *rtc; + u8 reg, new_ctrl; + + omap_rtc_timer = platform_get_irq(pdev, 0); + if (omap_rtc_timer <= 0) { + pr_debug("%s: no update irq?\n", pdev->name); + return -ENOENT; + } + + omap_rtc_alarm = platform_get_irq(pdev, 1); + if (omap_rtc_alarm <= 0) { + pr_debug("%s: no alarm irq?\n", pdev->name); + return -ENOENT; + } + + /* NOTE: using static mapping for RTC registers */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res && res->start != OMAP_RTC_BASE) { + pr_debug("%s: RTC registers at %08x, expected %08x\n", + pdev->name, (unsigned) res->start, OMAP_RTC_BASE); + return -ENOENT; + } + + if (res) + mem = request_mem_region(res->start, + res->end - res->start + 1, + pdev->name); + else + mem = NULL; + if (!mem) { + pr_debug("%s: RTC registers at %08x are not free\n", + pdev->name, OMAP_RTC_BASE); + return -EBUSY; + } + + rtc = rtc_device_register(pdev->name, &pdev->dev, + &omap_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + pr_debug("%s: can't register RTC device, err %ld\n", + pdev->name, PTR_ERR(rtc)); + goto fail; + } + platform_set_drvdata(pdev, rtc); + class_set_devdata(&rtc->class_dev, mem); + + /* clear pending irqs, and set 1/second periodic, + * which we'll use instead of update irqs + */ + rtc_write(0, OMAP_RTC_INTERRUPTS_REG); + + /* clear old status */ + reg = rtc_read(OMAP_RTC_STATUS_REG); + if (reg & (u8) OMAP_RTC_STATUS_POWER_UP) { + pr_info("%s: RTC power up reset detected\n", + pdev->name); + rtc_write(OMAP_RTC_STATUS_POWER_UP, OMAP_RTC_STATUS_REG); + } + if (reg & (u8) OMAP_RTC_STATUS_ALARM) + rtc_write(OMAP_RTC_STATUS_ALARM, OMAP_RTC_STATUS_REG); + + /* handle periodic and alarm irqs */ + if (request_irq(omap_rtc_timer, rtc_irq, SA_INTERRUPT, + rtc->class_dev.class_id, &rtc->class_dev)) { + pr_debug("%s: RTC timer interrupt IRQ%d already claimed\n", + pdev->name, omap_rtc_timer); + goto fail0; + } + if (request_irq(omap_rtc_alarm, rtc_irq, SA_INTERRUPT, + rtc->class_dev.class_id, &rtc->class_dev)) { + pr_debug("%s: RTC alarm interrupt IRQ%d already claimed\n", + pdev->name, omap_rtc_alarm); + goto fail1; + } + + /* On boards with split power, RTC_ON_NOFF won't reset the RTC */ + reg = rtc_read(OMAP_RTC_CTRL_REG); + if (reg & (u8) OMAP_RTC_CTRL_STOP) + pr_info("%s: already running\n", pdev->name); + + /* force to 24 hour mode */ + new_ctrl = reg & ~(OMAP_RTC_CTRL_SPLIT|OMAP_RTC_CTRL_AUTO_COMP); + new_ctrl |= OMAP_RTC_CTRL_STOP; + + /* BOARD-SPECIFIC CUSTOMIZATION CAN GO HERE: + * + * - Boards wired so that RTC_WAKE_INT does something, and muxed + * right (W13_1610_RTC_WAKE_INT is the default after chip reset), + * should initialize the device wakeup flag appropriately. + * + * - Boards wired so RTC_ON_nOFF is used as the reset signal, + * rather than nPWRON_RESET, should forcibly enable split + * power mode. (Some chip errata report that RTC_CTRL_SPLIT + * is write-only, and always reads as zero...) + */ + device_init_wakeup(&pdev->dev, 0); + + if (new_ctrl & (u8) OMAP_RTC_CTRL_SPLIT) + pr_info("%s: split power mode\n", pdev->name); + + if (reg != new_ctrl) + rtc_write(new_ctrl, OMAP_RTC_CTRL_REG); + + return 0; + +fail1: + free_irq(omap_rtc_timer, NULL); +fail0: + rtc_device_unregister(rtc); +fail: + release_resource(mem); + return -EIO; +} + +static int __devexit omap_rtc_remove(struct platform_device *pdev) +{ + struct rtc_device *rtc = platform_get_drvdata(pdev);; + + device_init_wakeup(&pdev->dev, 0); + + /* leave rtc running, but disable irqs */ + rtc_write(0, OMAP_RTC_INTERRUPTS_REG); + + free_irq(omap_rtc_timer, rtc); + free_irq(omap_rtc_alarm, rtc); + + release_resource(class_get_devdata(&rtc->class_dev)); + rtc_device_unregister(rtc); + return 0; +} + +#ifdef CONFIG_PM + +static struct timespec rtc_delta; +static u8 irqstat; + +static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct rtc_time rtc_tm; + struct timespec time; + + time.tv_nsec = 0; + omap_rtc_read_time(NULL, &rtc_tm); + rtc_tm_to_time(&rtc_tm, &time.tv_sec); + + save_time_delta(&rtc_delta, &time); + irqstat = rtc_read(OMAP_RTC_INTERRUPTS_REG); + + /* FIXME the RTC alarm is not currently acting as a wakeup event + * source, and in fact this enable() call is just saving a flag + * that's never used... + */ + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(omap_rtc_alarm); + else + rtc_write(0, OMAP_RTC_INTERRUPTS_REG); + + return 0; +} + +static int omap_rtc_resume(struct platform_device *pdev) +{ + struct rtc_time rtc_tm; + struct timespec time; + + time.tv_nsec = 0; + omap_rtc_read_time(NULL, &rtc_tm); + rtc_tm_to_time(&rtc_tm, &time.tv_sec); + + restore_time_delta(&rtc_delta, &time); + if (device_may_wakeup(&pdev->dev)) + disable_irq_wake(omap_rtc_alarm); + else + rtc_write(irqstat, OMAP_RTC_INTERRUPTS_REG); + return 0; +} + +#else +#define omap_rtc_suspend NULL +#define omap_rtc_resume NULL +#endif + +static void omap_rtc_shutdown(struct platform_device *pdev) +{ + rtc_write(0, OMAP_RTC_INTERRUPTS_REG); +} + +MODULE_ALIAS("omap_rtc"); +static struct platform_driver omap_rtc_driver = { + .probe = omap_rtc_probe, + .remove = __devexit_p(omap_rtc_remove), + .suspend = omap_rtc_suspend, + .resume = omap_rtc_resume, + .shutdown = omap_rtc_shutdown, + .driver = { + .name = "omap_rtc", + .owner = THIS_MODULE, + }, +}; + +static int __init rtc_init(void) +{ + return platform_driver_register(&omap_rtc_driver); +} +module_init(rtc_init); + +static void __exit rtc_exit(void) +{ + platform_driver_unregister(&omap_rtc_driver); +} +module_exit(rtc_exit); + +MODULE_AUTHOR("George G. Davis (and others)"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 403aac965eba17a360a93c3b679f57b21030d4cd Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Wed, 6 Dec 2006 20:38:38 -0800 Subject: [PATCH] add return value checking of get_user() in set_vesa_blanking() [akpm@osdl.org: bugfix] Signed-off-by: Yoichi Yuasa Cc: James Simmons Cc: "Antonino A. Daplas" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/vt.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 75ff0286e1a..a8239dac994 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -152,7 +152,7 @@ static void gotoxy(struct vc_data *vc, int new_x, int new_y); static void save_cur(struct vc_data *vc); static void reset_terminal(struct vc_data *vc, int do_clear); static void con_flush_chars(struct tty_struct *tty); -static void set_vesa_blanking(char __user *p); +static int set_vesa_blanking(char __user *p); static void set_cursor(struct vc_data *vc); static void hide_cursor(struct vc_data *vc); static void console_callback(struct work_struct *ignored); @@ -2369,7 +2369,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) ret = __put_user(data, p); break; case TIOCL_SETVESABLANK: - set_vesa_blanking(p); + ret = set_vesa_blanking(p); break; case TIOCL_GETKMSGREDIRECT: data = kmsg_redirect; @@ -3313,11 +3313,15 @@ postcore_initcall(vtconsole_class_init); * Screen blanking */ -static void set_vesa_blanking(char __user *p) +static int set_vesa_blanking(char __user *p) { - unsigned int mode; - get_user(mode, p + 1); - vesa_blank_mode = (mode < 4) ? mode : 0; + unsigned int mode; + + if (get_user(mode, p + 1)) + return -EFAULT; + + vesa_blank_mode = (mode < 4) ? mode : 0; + return 0; } void do_blank_screen(int entering_gfx) -- cgit v1.2.3 From 3e29fe837a512229f4757cd93fdd7163d027d103 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:40 -0800 Subject: [PATCH] CISS: require same SCSI module support Building CCISS SCSI tape support in-kernel when SCSI=m causes build errors, so require SCSI support to be =y or same as CCISS SCSI tape support. drivers/built-in.o: In function `cciss_remove_one': cciss.c:(.text+0x79d4c): undefined reference to `scsi_remove_host' cciss.c:(.text+0x79d55): undefined reference to `scsi_host_put' drivers/built-in.o: In function `cciss_update_non_disk_devices': cciss.c:(.text+0x7bb54): undefined reference to `scsi_device_type' cciss.c:(.text+0x7bcc8): undefined reference to `scsi_device_type' cciss.c:(.text+0x7be81): undefined reference to `scsi_device_type' cciss.c:(.text+0x7bf81): undefined reference to `scsi_device_type' drivers/built-in.o: In function `cciss_proc_write': cciss.c:(.text+0x7c175): undefined reference to `scsi_host_alloc' cciss.c:(.text+0x7c1ed): undefined reference to `scsi_add_host' cciss.c:(.text+0x7c1f9): undefined reference to `scsi_scan_host' cciss.c:(.text+0x7c206): undefined reference to `scsi_host_put' make: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap Acked-by: Mike Miller Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 17dc22282e1..432c17e1e0e 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -168,7 +168,8 @@ config BLK_CPQ_CISS_DA config CISS_SCSI_TAPE bool "SCSI tape drive support for Smart Array 5xxx" - depends on BLK_CPQ_CISS_DA && SCSI && PROC_FS + depends on BLK_CPQ_CISS_DA && PROC_FS + depends on SCSI=y || SCSI=BLK_CPQ_CISS_DA help When enabled (Y), this option allows SCSI tape drives and SCSI medium changers (tape robots) to be accessed via a Compaq 5xxx array -- cgit v1.2.3 From 0bf93226073db0c957664592ba2f1aaeef57bb82 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:41 -0800 Subject: [PATCH] export toshiba SMM support for neofb module When CONFIG_TOSHIBA=y and CONFIG_FB_NEOMAGIC=m, tosh_smm() needs to be exported for neofb to use it. WARNING: "tosh_smm" [drivers/video/neofb.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/toshiba.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c index dd36fd04a84..07067c31c4e 100644 --- a/drivers/char/toshiba.c +++ b/drivers/char/toshiba.c @@ -249,6 +249,7 @@ int tosh_smm(SMMRegisters *regs) return eax; } +EXPORT_SYMBOL(tosh_smm); static int tosh_ioctl(struct inode *ip, struct file *fp, unsigned int cmd, -- cgit v1.2.3 From d9489fb60614794cbca4b6b173c60ed9388974c6 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:38:43 -0800 Subject: [PATCH] kernel-doc: fix fusion and i2o docs Correct lots of typos, kernel-doc warnings, & kernel-doc usage in fusion and i2o drivers. Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/message/fusion/mptbase.c | 255 ++++++++++++++++++++------------------ drivers/message/fusion/mptfc.c | 5 +- drivers/message/fusion/mptscsih.c | 24 ++-- drivers/message/fusion/mptspi.c | 4 +- drivers/message/i2o/bus-osm.c | 3 + drivers/message/i2o/device.c | 8 +- drivers/message/i2o/driver.c | 20 ++- drivers/message/i2o/exec-osm.c | 10 +- drivers/message/i2o/i2o_block.c | 15 ++- drivers/message/i2o/i2o_proc.c | 2 +- drivers/message/i2o/i2o_scsi.c | 11 +- drivers/message/i2o/pci.c | 5 +- 12 files changed, 192 insertions(+), 170 deletions(-) (limited to 'drivers') diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 051b7c5b8f0..6e068cf1049 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -347,7 +347,7 @@ mpt_reply(MPT_ADAPTER *ioc, u32 pa) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_interrupt - MPT adapter (IOC) specific interrupt handler. * @irq: irq number (not used) * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure @@ -387,14 +387,16 @@ mpt_interrupt(int irq, void *bus_id) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mpt_base_reply - MPT base driver's callback routine; all base driver - * "internal" request/reply processing is routed here. - * Currently used for EventNotification and EventAck handling. +/** + * mpt_base_reply - MPT base driver's callback routine * @ioc: Pointer to MPT_ADAPTER structure * @mf: Pointer to original MPT request frame * @reply: Pointer to MPT reply frame (NULL if TurboReply) * + * MPT base driver's callback routine; all base driver + * "internal" request/reply processing is routed here. + * Currently used for EventNotification and EventAck handling. + * * Returns 1 indicating original alloc'd request frame ptr * should be freed, or 0 if it shouldn't. */ @@ -530,7 +532,7 @@ mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply) * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value) * * This routine is called by a protocol-specific driver (SCSI host, - * LAN, SCSI target) to register it's reply callback routine. Each + * LAN, SCSI target) to register its reply callback routine. Each * protocol-specific driver must do this before it will be able to * use any IOC resources, such as obtaining request frames. * @@ -572,7 +574,7 @@ mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass) * mpt_deregister - Deregister a protocol drivers resources. * @cb_idx: previously registered callback handle * - * Each protocol-specific driver should call this routine when it's + * Each protocol-specific driver should call this routine when its * module is unloaded. */ void @@ -617,7 +619,7 @@ mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc) * * Each protocol-specific driver should call this routine * when it does not (or can no longer) handle events, - * or when it's module is unloaded. + * or when its module is unloaded. */ void mpt_event_deregister(int cb_idx) @@ -656,7 +658,7 @@ mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func) * * Each protocol-specific driver should call this routine * when it does not (or can no longer) handle IOC reset handling, - * or when it's module is unloaded. + * or when its module is unloaded. */ void mpt_reset_deregister(int cb_idx) @@ -670,6 +672,8 @@ mpt_reset_deregister(int cb_idx) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mpt_device_driver_register - Register device driver hooks + * @dd_cbfunc: driver callbacks struct + * @cb_idx: MPT protocol driver index */ int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx) @@ -696,6 +700,7 @@ mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mpt_device_driver_deregister - DeRegister device driver hooks + * @cb_idx: MPT protocol driver index */ void mpt_device_driver_deregister(int cb_idx) @@ -887,8 +892,7 @@ mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mpt_send_handshake_request - Send MPT request via doorbell - * handshake method. + * mpt_send_handshake_request - Send MPT request via doorbell handshake method. * @handle: Handle of registered MPT protocol driver * @ioc: Pointer to MPT adapter structure * @reqBytes: Size of the request in bytes @@ -981,10 +985,13 @@ mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mpt_host_page_access_control - provides mechanism for the host - * driver to control the IOC's Host Page Buffer access. + * mpt_host_page_access_control - control the IOC's Host Page Buffer access * @ioc: Pointer to MPT adapter structure * @access_control_value: define bits below + * @sleepFlag: Specifies whether the process can sleep + * + * Provides mechanism for the host driver to control the IOC's + * Host Page Buffer access. * * Access Control Value - bits[15:12] * 0h Reserved @@ -1022,10 +1029,10 @@ mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int slee /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mpt_host_page_alloc - allocate system memory for the fw - * If we already allocated memory in past, then resend the same pointer. - * ioc@: Pointer to pointer to IOC adapter - * ioc_init@: Pointer to ioc init config page + * @ioc: Pointer to pointer to IOC adapter + * @ioc_init: Pointer to ioc init config page * + * If we already allocated memory in past, then resend the same pointer. * Returns 0 for success, non-zero for failure. */ static int @@ -1091,12 +1098,15 @@ return 0; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mpt_verify_adapter - Given a unique IOC identifier, set pointer to - * the associated MPT adapter structure. + * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure. * @iocid: IOC unique identifier (integer) * @iocpp: Pointer to pointer to IOC adapter * - * Returns iocid and sets iocpp. + * Given a unique IOC identifier, set pointer to the associated MPT + * adapter structure. + * + * Returns iocid and sets iocpp if iocid is found. + * Returns -1 if iocid is not found. */ int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp) @@ -1115,9 +1125,10 @@ mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_attach - Install a PCI intelligent MPT adapter. * @pdev: Pointer to pci_dev structure + * @id: PCI device ID information * * This routine performs all the steps necessary to bring the IOC of * a MPT adapter to a OPERATIONAL state. This includes registering @@ -1417,10 +1428,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_detach - Remove a PCI intelligent MPT adapter. * @pdev: Pointer to pci_dev structure - * */ void @@ -1466,10 +1476,10 @@ mpt_detach(struct pci_dev *pdev) */ #ifdef CONFIG_PM /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_suspend - Fusion MPT base driver suspend routine. - * - * + * @pdev: Pointer to pci_dev structure + * @state: new state to enter */ int mpt_suspend(struct pci_dev *pdev, pm_message_t state) @@ -1505,10 +1515,9 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_resume - Fusion MPT base driver resume routine. - * - * + * @pdev: Pointer to pci_dev structure */ int mpt_resume(struct pci_dev *pdev) @@ -1566,7 +1575,7 @@ mpt_signal_reset(int index, MPT_ADAPTER *ioc, int reset_phase) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_do_ioc_recovery - Initialize or recover MPT adapter. * @ioc: Pointer to MPT adapter structure * @reason: Event word / reason @@ -1892,13 +1901,15 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mpt_detect_bound_ports - Search for PCI bus/dev_function - * which matches PCI bus/dev_function (+/-1) for newly discovered 929, - * 929X, 1030 or 1035. +/** + * mpt_detect_bound_ports - Search for matching PCI bus/dev_function * @ioc: Pointer to MPT adapter structure * @pdev: Pointer to (struct pci_dev) structure * + * Search for PCI bus/dev_function which matches + * PCI bus/dev_function (+/-1) for newly discovered 929, + * 929X, 1030 or 1035. + * * If match on PCI dev_function +/-1 is found, bind the two MPT adapters * using alt_ioc pointer fields in their %MPT_ADAPTER structures. */ @@ -1945,9 +1956,9 @@ mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_adapter_disable - Disable misbehaving MPT adapter. - * @this: Pointer to MPT adapter structure + * @ioc: Pointer to MPT adapter structure */ static void mpt_adapter_disable(MPT_ADAPTER *ioc) @@ -2046,9 +2057,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mpt_adapter_dispose - Free all resources associated with a MPT - * adapter. +/** + * mpt_adapter_dispose - Free all resources associated with an MPT adapter * @ioc: Pointer to MPT adapter structure * * This routine unregisters h/w resources and frees all alloc'd memory @@ -2099,8 +2109,8 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * MptDisplayIocCapabilities - Disply IOC's capacilities. +/** + * MptDisplayIocCapabilities - Disply IOC's capabilities. * @ioc: Pointer to MPT adapter structure */ static void @@ -2142,7 +2152,7 @@ MptDisplayIocCapabilities(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * MakeIocReady - Get IOC to a READY state, using KickStart if needed. * @ioc: Pointer to MPT_ADAPTER structure * @force: Force hard KickStart of IOC @@ -2279,7 +2289,7 @@ MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_GetIocState - Get the current state of a MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @cooked: Request raw or cooked IOC state @@ -2304,7 +2314,7 @@ mpt_GetIocState(MPT_ADAPTER *ioc, int cooked) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * GetIocFacts - Send IOCFacts request to MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @sleepFlag: Specifies whether the process can sleep @@ -2478,7 +2488,7 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * GetPortFacts - Send PortFacts request to MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @portnum: Port number @@ -2545,7 +2555,7 @@ GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * SendIocInit - Send IOCInit request to MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @sleepFlag: Specifies whether the process can sleep @@ -2630,7 +2640,7 @@ SendIocInit(MPT_ADAPTER *ioc, int sleepFlag) } /* No need to byte swap the multibyte fields in the reply - * since we don't even look at it's contents. + * since we don't even look at its contents. */ dhsprintk((MYIOC_s_INFO_FMT "Sending PortEnable (req @ %p)\n", @@ -2672,7 +2682,7 @@ SendIocInit(MPT_ADAPTER *ioc, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * SendPortEnable - Send PortEnable request to MPT adapter port. * @ioc: Pointer to MPT_ADAPTER structure * @portnum: Port number to enable @@ -2723,9 +2733,13 @@ SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag) return rc; } -/* - * ioc: Pointer to MPT_ADAPTER structure - * size - total FW bytes +/** + * mpt_alloc_fw_memory - allocate firmware memory + * @ioc: Pointer to MPT_ADAPTER structure + * @size: total FW bytes + * + * If memory has already been allocated, the same (cached) value + * is returned. */ void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size) @@ -2742,9 +2756,12 @@ mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size) ioc->alloc_total += size; } } -/* - * If alt_img is NULL, delete from ioc structure. - * Else, delete a secondary image in same format. +/** + * mpt_free_fw_memory - free firmware memory + * @ioc: Pointer to MPT_ADAPTER structure + * + * If alt_img is NULL, delete from ioc structure. + * Else, delete a secondary image in same format. */ void mpt_free_fw_memory(MPT_ADAPTER *ioc) @@ -2763,7 +2780,7 @@ mpt_free_fw_memory(MPT_ADAPTER *ioc) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port. * @ioc: Pointer to MPT_ADAPTER structure * @sleepFlag: Specifies whether the process can sleep @@ -2865,10 +2882,10 @@ mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_downloadboot - DownloadBoot code * @ioc: Pointer to MPT_ADAPTER structure - * @flag: Specify which part of IOC memory is to be uploaded. + * @pFwHeader: Pointer to firmware header info * @sleepFlag: Specifies whether the process can sleep * * FwDownloadBoot requires Programmed IO access. @@ -3071,7 +3088,7 @@ mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * KickStart - Perform hard reset of MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @force: Force hard reset @@ -3145,12 +3162,12 @@ KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_diag_reset - Perform hard reset of the adapter. * @ioc: Pointer to MPT_ADAPTER structure * @ignore: Set if to honor and clear to ignore * the reset history bit - * @sleepflag: CAN_SLEEP if called in a non-interrupt thread, + * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread, * else set to NO_SLEEP (use mdelay instead) * * This routine places the adapter in diagnostic mode via the @@ -3436,11 +3453,12 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * SendIocReset - Send IOCReset request to MPT adapter. * @ioc: Pointer to MPT_ADAPTER structure * @reset_type: reset type, expected values are * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET + * @sleepFlag: Specifies whether the process can sleep * * Send IOCReset request to the MPT adapter. * @@ -3494,11 +3512,12 @@ SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * initChainBuffers - Allocate memory for and initialize - * chain buffers, chain buffer control arrays and spinlock. - * @hd: Pointer to MPT_SCSI_HOST structure - * @init: If set, initialize the spin lock. +/** + * initChainBuffers - Allocate memory for and initialize chain buffers + * @ioc: Pointer to MPT_ADAPTER structure + * + * Allocates memory for and initializes chain buffers, + * chain buffer control arrays and spinlock. */ static int initChainBuffers(MPT_ADAPTER *ioc) @@ -3594,7 +3613,7 @@ initChainBuffers(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * PrimeIocFifos - Initialize IOC request and reply FIFOs. * @ioc: Pointer to MPT_ADAPTER structure * @@ -3891,15 +3910,15 @@ mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * WaitForDoorbellAck - Wait for IOC to clear the IOP_DOORBELL_STATUS bit - * in it's IntStatus register. +/** + * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge * @ioc: Pointer to MPT_ADAPTER structure * @howlong: How long to wait (in seconds) * @sleepFlag: Specifies whether the process can sleep * * This routine waits (up to ~2 seconds max) for IOC doorbell - * handshake ACKnowledge. + * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS + * bit in its IntStatus register being clear. * * Returns a negative value on failure, else wait loop count. */ @@ -3942,14 +3961,14 @@ WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * WaitForDoorbellInt - Wait for IOC to set the HIS_DOORBELL_INTERRUPT bit - * in it's IntStatus register. +/** + * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit * @ioc: Pointer to MPT_ADAPTER structure * @howlong: How long to wait (in seconds) * @sleepFlag: Specifies whether the process can sleep * - * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt. + * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt + * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register. * * Returns a negative value on failure, else wait loop count. */ @@ -3991,8 +4010,8 @@ WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * WaitForDoorbellReply - Wait for and capture a IOC handshake reply. +/** + * WaitForDoorbellReply - Wait for and capture an IOC handshake reply. * @ioc: Pointer to MPT_ADAPTER structure * @howlong: How long to wait (in seconds) * @sleepFlag: Specifies whether the process can sleep @@ -4077,7 +4096,7 @@ WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * GetLanConfigPages - Fetch LANConfig pages. * @ioc: Pointer to MPT_ADAPTER structure * @@ -4188,12 +4207,9 @@ GetLanConfigPages(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mptbase_sas_persist_operation - Perform operation on SAS Persitent Table +/** + * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table * @ioc: Pointer to MPT_ADAPTER structure - * @sas_address: 64bit SAS Address for operation. - * @target_id: specified target for operation - * @bus: specified bus for operation * @persist_opcode: see below * * MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for @@ -4202,7 +4218,7 @@ GetLanConfigPages(MPT_ADAPTER *ioc) * * NOTE: Don't use not this function during interrupt time. * - * Returns: 0 for success, non-zero error + * Returns 0 for success, non-zero error */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ @@ -4399,7 +4415,7 @@ mptbase_raid_process_event_data(MPT_ADAPTER *ioc, } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * GetIoUnitPage2 - Retrieve BIOS version and boot order information. * @ioc: Pointer to MPT_ADAPTER structure * @@ -4457,7 +4473,8 @@ GetIoUnitPage2(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2 +/** + * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2 * @ioc: Pointer to a Adapter Strucutre * @portnum: IOC port number * @@ -4644,7 +4661,8 @@ mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* mpt_readScsiDevicePageHeaders - save version and length of SDP1 +/** + * mpt_readScsiDevicePageHeaders - save version and length of SDP1 * @ioc: Pointer to a Adapter Strucutre * @portnum: IOC port number * @@ -4996,9 +5014,8 @@ mpt_read_ioc_pg_1(MPT_ADAPTER *ioc) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * SendEventNotification - Send EventNotification (on or off) request - * to MPT adapter. +/** + * SendEventNotification - Send EventNotification (on or off) request to adapter * @ioc: Pointer to MPT_ADAPTER structure * @EvSwitch: Event switch flags */ @@ -5062,8 +5079,8 @@ SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mpt_config - Generic function to issue config message - * @ioc - Pointer to an adapter structure - * @cfg - Pointer to a configuration structure. Struct contains + * @ioc: Pointer to an adapter structure + * @pCfg: Pointer to a configuration structure. Struct contains * action, page address, direction, physical address * and pointer to a configuration page header * Page header is updated. @@ -5188,8 +5205,8 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * mpt_timer_expired - Call back for timer process. +/** + * mpt_timer_expired - Callback for timer process. * Used only internal config functionality. * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long */ @@ -5214,12 +5231,12 @@ mpt_timer_expired(unsigned long data) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_ioc_reset - Base cleanup for hard reset * @ioc: Pointer to the adapter structure * @reset_phase: Indicates pre- or post-reset functionality * - * Remark: Free's resources with internally generated commands. + * Remark: Frees resources with internally generated commands. */ static int mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) @@ -5271,7 +5288,7 @@ mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff... */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries. * * Returns 0 for success, non-zero for failure. @@ -5297,7 +5314,7 @@ procmpt_create(void) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries. * * Returns 0 for success, non-zero for failure. @@ -5311,16 +5328,16 @@ procmpt_destroy(void) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * procmpt_summary_read - Handle read request from /proc/mpt/summary - * or from /proc/mpt/iocN/summary. +/** + * procmpt_summary_read - Handle read request of a summary file * @buf: Pointer to area to write information * @start: Pointer to start pointer * @offset: Offset to start writing - * @request: + * @request: Amount of read data requested * @eof: Pointer to EOF integer * @data: Pointer * + * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary. * Returns number of characters written to process performing the read. */ static int @@ -5355,12 +5372,12 @@ procmpt_summary_read(char *buf, char **start, off_t offset, int request, int *eo } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * procmpt_version_read - Handle read request from /proc/mpt/version. * @buf: Pointer to area to write information * @start: Pointer to start pointer * @offset: Offset to start writing - * @request: + * @request: Amount of read data requested * @eof: Pointer to EOF integer * @data: Pointer * @@ -5411,12 +5428,12 @@ procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eo } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * procmpt_iocinfo_read - Handle read request from /proc/mpt/iocN/info. * @buf: Pointer to area to write information * @start: Pointer to start pointer * @offset: Offset to start writing - * @request: + * @request: Amount of read data requested * @eof: Pointer to EOF integer * @data: Pointer * @@ -5577,16 +5594,17 @@ mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int sh */ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mpt_HardResetHandler - Generic reset handler, issue SCSI Task - * Management call based on input arg values. If TaskMgmt fails, - * return associated SCSI request. + * mpt_HardResetHandler - Generic reset handler * @ioc: Pointer to MPT_ADAPTER structure * @sleepFlag: Indicates if sleep or schedule must be called. * + * Issues SCSI Task Management call based on input arg values. + * If TaskMgmt fails, returns associated SCSI request. + * * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) * or a non-interrupt thread. In the former, must not call schedule(). * - * Remark: A return of -1 is a FATAL error case, as it means a + * Note: A return of -1 is a FATAL error case, as it means a * FW reload/initialization failed. * * Returns 0 for SUCCESS or -1 if FAILED. @@ -5935,13 +5953,14 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* - * ProcessEventNotification - Route a received EventNotificationReply to - * all currently regeistered event handlers. +/** + * ProcessEventNotification - Route EventNotificationReply to all event handlers * @ioc: Pointer to MPT_ADAPTER structure * @pEventReply: Pointer to EventNotification reply frame * @evHandlers: Pointer to integer, number of event handlers * + * Routes a received EventNotificationReply to all currently registered + * event handlers. * Returns sum of event handlers return values. */ static int @@ -6056,7 +6075,7 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_fc_log_info - Log information returned from Fibre Channel IOC. * @ioc: Pointer to MPT_ADAPTER structure * @log_info: U32 LogInfo reply word from the IOC @@ -6077,7 +6096,7 @@ mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_spi_log_info - Log information returned from SCSI Parallel IOC. * @ioc: Pointer to MPT_ADAPTER structure * @mr: Pointer to MPT reply frame @@ -6200,7 +6219,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) }; /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_sas_log_info - Log information returned from SAS IOC. * @ioc: Pointer to MPT_ADAPTER structure * @log_info: U32 LogInfo reply word from the IOC @@ -6255,7 +6274,7 @@ union loginfo_type { } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * mpt_sp_ioc_info - IOC information returned from SCSI Parallel IOC. * @ioc: Pointer to MPT_ADAPTER structure * @ioc_status: U32 IOCStatus word from IOC @@ -6416,7 +6435,7 @@ EXPORT_SYMBOL(mpt_free_fw_memory); EXPORT_SYMBOL(mptbase_sas_persist_operation); /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * fusion_init - Fusion MPT base driver initialization routine. * * Returns 0 for success, non-zero for failure. @@ -6456,7 +6475,7 @@ fusion_init(void) } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ -/* +/** * fusion_exit - Perform driver unload cleanup. * * This routine frees all resources associated with each MPT adapter diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index ef2b55e1991..ca2f9107f14 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -1395,8 +1395,7 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptfc_init - Register MPT adapter(s) as SCSI host(s) with - * linux scsi mid-layer. + * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. * * Returns 0 for success, non-zero for failure. */ @@ -1440,7 +1439,7 @@ mptfc_init(void) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptfc_remove - Removed fc infrastructure for devices + * mptfc_remove - Remove fc infrastructure for devices * @pdev: Pointer to pci_dev structure * */ diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 30524dc54b1..2c72c36b817 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1230,15 +1230,15 @@ mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mptscsih_proc_info - Return information about MPT adapter + * @host: scsi host struct + * @buffer: if write, user data; if read, buffer for user + * @start: returns the buffer address + * @offset: if write, 0; if read, the current offset into the buffer from + * the previous read. + * @length: if write, return length; + * @func: write = 1; read = 0 * * (linux scsi_host_template.info routine) - * - * buffer: if write, user data; if read, buffer for user - * length: if write, return length; - * offset: if write, 0; if read, the current offset into the buffer from - * the previous read. - * hostno: scsi host number - * func: if write = 1; if read = 0 */ int mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, @@ -1902,8 +1902,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptscsih_host_reset - Perform a SCSI host adapter RESET! - * new_eh variant + * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to * * (linux scsi_host_template.eh_host_reset_handler routine) @@ -1949,8 +1948,7 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptscsih_tm_pending_wait - wait for pending task management request to - * complete. + * mptscsih_tm_pending_wait - wait for pending task management request to complete * @hd: Pointer to MPT host structure. * * Returns {SUCCESS,FAILED}. @@ -1982,6 +1980,7 @@ mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd) /** * mptscsih_tm_wait_for_completion - wait for completion of TM task * @hd: Pointer to MPT host structure. + * @timeout: timeout in seconds * * Returns {SUCCESS,FAILED}. */ @@ -3429,8 +3428,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) /** * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. * @hd: Pointer to a SCSI HOST structure - * @vtarget: per device private data - * @lun: lun + * @vdevice: virtual target device * * Uses the ISR, but with special processing. * MUST be single-threaded. diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index f422c0d0621..36641da5928 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -1100,8 +1100,7 @@ static struct pci_driver mptspi_driver = { /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** - * mptspi_init - Register MPT adapter(s) as SCSI host(s) with - * linux scsi mid-layer. + * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. * * Returns 0 for success, non-zero for failure. */ @@ -1135,7 +1134,6 @@ mptspi_init(void) /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /** * mptspi_exit - Unregisters MPT adapter(s) - * */ static void __exit mptspi_exit(void) diff --git a/drivers/message/i2o/bus-osm.c b/drivers/message/i2o/bus-osm.c index d96c687aee9..c463dc2efc0 100644 --- a/drivers/message/i2o/bus-osm.c +++ b/drivers/message/i2o/bus-osm.c @@ -56,6 +56,9 @@ static int i2o_bus_scan(struct i2o_device *dev) /** * i2o_bus_store_scan - Scan the I2O Bus Adapter * @d: device which should be scanned + * @attr: device_attribute + * @buf: output buffer + * @count: buffer size * * Returns count. */ diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c index 55757af4e3b..b9df143e4ff 100644 --- a/drivers/message/i2o/device.c +++ b/drivers/message/i2o/device.c @@ -54,8 +54,8 @@ static inline int i2o_device_issue_claim(struct i2o_device *dev, u32 cmd, * @dev: I2O device to claim * @drv: I2O driver which wants to claim the device * - * Do the leg work to assign a device to a given OSM. If the claim succeed - * the owner of the rimary. If the attempt fails a negative errno code + * Do the leg work to assign a device to a given OSM. If the claim succeeds, + * the owner is the primary. If the attempt fails a negative errno code * is returned. On success zero is returned. */ int i2o_device_claim(struct i2o_device *dev) @@ -208,7 +208,7 @@ static struct i2o_device *i2o_device_alloc(void) /** * i2o_device_add - allocate a new I2O device and add it to the IOP - * @iop: I2O controller where the device is on + * @c: I2O controller that the device is on * @entry: LCT entry of the I2O device * * Allocate a new I2O device and initialize it with the LCT entry. The @@ -280,7 +280,7 @@ err: /** * i2o_device_remove - remove an I2O device from the I2O core - * @dev: I2O device which should be released + * @i2o_dev: I2O device which should be released * * Is used on I2O controller removal or LCT modification, when the device * is removed from the system. Note that the device could still hang diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c index 7fc7399bd2e..9104b65ff70 100644 --- a/drivers/message/i2o/driver.c +++ b/drivers/message/i2o/driver.c @@ -34,9 +34,7 @@ static spinlock_t i2o_drivers_lock; static struct i2o_driver **i2o_drivers; /** - * i2o_bus_match - Tell if a I2O device class id match the class ids of - * the I2O driver (OSM) - * + * i2o_bus_match - Tell if I2O device class id matches the class ids of the I2O driver (OSM) * @dev: device which should be verified * @drv: the driver to match against * @@ -248,7 +246,7 @@ int i2o_driver_dispatch(struct i2o_controller *c, u32 m) /** * i2o_driver_notify_controller_add_all - Send notify of added controller - * to all I2O drivers + * @c: newly added controller * * Send notifications to all registered drivers that a new controller was * added. @@ -267,8 +265,8 @@ void i2o_driver_notify_controller_add_all(struct i2o_controller *c) } /** - * i2o_driver_notify_controller_remove_all - Send notify of removed - * controller to all I2O drivers + * i2o_driver_notify_controller_remove_all - Send notify of removed controller + * @c: controller that is being removed * * Send notifications to all registered drivers that a controller was * removed. @@ -287,8 +285,8 @@ void i2o_driver_notify_controller_remove_all(struct i2o_controller *c) } /** - * i2o_driver_notify_device_add_all - Send notify of added device to all - * I2O drivers + * i2o_driver_notify_device_add_all - Send notify of added device + * @i2o_dev: newly added I2O device * * Send notifications to all registered drivers that a device was added. */ @@ -306,8 +304,8 @@ void i2o_driver_notify_device_add_all(struct i2o_device *i2o_dev) } /** - * i2o_driver_notify_device_remove_all - Send notify of removed device to - * all I2O drivers + * i2o_driver_notify_device_remove_all - Send notify of removed device + * @i2o_dev: device that is being removed * * Send notifications to all registered drivers that a device was removed. */ @@ -362,7 +360,7 @@ int __init i2o_driver_init(void) /** * i2o_driver_exit - clean up I2O drivers (OSMs) * - * Unregisters the I2O bus and free driver array. + * Unregisters the I2O bus and frees driver array. */ void __exit i2o_driver_exit(void) { diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 9e529d8dd5c..902753b2c66 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -94,8 +94,8 @@ static struct i2o_exec_wait *i2o_exec_wait_alloc(void) }; /** - * i2o_exec_wait_free - Free a i2o_exec_wait struct - * @i2o_exec_wait: I2O wait data which should be cleaned up + * i2o_exec_wait_free - Free an i2o_exec_wait struct + * @wait: I2O wait data which should be cleaned up */ static void i2o_exec_wait_free(struct i2o_exec_wait *wait) { @@ -105,7 +105,7 @@ static void i2o_exec_wait_free(struct i2o_exec_wait *wait) /** * i2o_msg_post_wait_mem - Post and wait a message with DMA buffers * @c: controller - * @m: message to post + * @msg: message to post * @timeout: time in seconds to wait * @dma: i2o_dma struct of the DMA buffer to free on failure * @@ -269,6 +269,7 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, /** * i2o_exec_show_vendor_id - Displays Vendor ID of controller * @d: device of which the Vendor ID should be displayed + * @attr: device_attribute to display * @buf: buffer into which the Vendor ID should be printed * * Returns number of bytes printed into buffer. @@ -290,6 +291,7 @@ static ssize_t i2o_exec_show_vendor_id(struct device *d, /** * i2o_exec_show_product_id - Displays Product ID of controller * @d: device of which the Product ID should be displayed + * @attr: device_attribute to display * @buf: buffer into which the Product ID should be printed * * Returns number of bytes printed into buffer. @@ -365,7 +367,7 @@ static int i2o_exec_remove(struct device *dev) /** * i2o_exec_lct_modified - Called on LCT NOTIFY reply - * @c: I2O controller on which the LCT has modified + * @work: work struct for a specific controller * * This function handles asynchronus LCT NOTIFY replies. It parses the * new LCT and if the buffer for the LCT was to small sends a LCT NOTIFY diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c index 70ae0025332..da9859f2caf 100644 --- a/drivers/message/i2o/i2o_block.c +++ b/drivers/message/i2o/i2o_block.c @@ -259,7 +259,7 @@ static int i2o_block_device_unlock(struct i2o_device *dev, u32 media_id) /** * i2o_block_device_power - Power management for device dev * @dev: I2O device which should receive the power management request - * @operation: Operation which should be send + * @op: Operation to send * * Send a power management request to the device dev. * @@ -315,7 +315,7 @@ static inline struct i2o_block_request *i2o_block_request_alloc(void) * i2o_block_request_free - Frees a I2O block request * @ireq: I2O block request which should be freed * - * Fres the allocated memory (give it back to the request mempool). + * Frees the allocated memory (give it back to the request mempool). */ static inline void i2o_block_request_free(struct i2o_block_request *ireq) { @@ -326,6 +326,7 @@ static inline void i2o_block_request_free(struct i2o_block_request *ireq) * i2o_block_sglist_alloc - Allocate the SG list and map it * @c: I2O controller to which the request belongs * @ireq: I2O block request + * @mptr: message body pointer * * Builds the SG list and map it to be accessable by the controller. * @@ -490,7 +491,7 @@ static void i2o_block_end_request(struct request *req, int uptodate, * i2o_block_reply - Block OSM reply handler. * @c: I2O controller from which the message arrives * @m: message id of reply - * qmsg: the actuall I2O message reply + * @msg: the actual I2O message reply * * This function gets all the message replies. * @@ -602,6 +603,8 @@ static void i2o_block_biosparam(unsigned long capacity, unsigned short *cyls, /** * i2o_block_open - Open the block device + * @inode: inode for block device being opened + * @file: file to open * * Power up the device, mount and lock the media. This function is called, * if the block device is opened for access. @@ -629,6 +632,8 @@ static int i2o_block_open(struct inode *inode, struct file *file) /** * i2o_block_release - Release the I2O block device + * @inode: inode for block device being released + * @file: file to close * * Unlock and unmount the media, and power down the device. Gets called if * the block device is closed. @@ -675,6 +680,8 @@ static int i2o_block_getgeo(struct block_device *bdev, struct hd_geometry *geo) /** * i2o_block_ioctl - Issue device specific ioctl calls. + * @inode: inode for block device ioctl + * @file: file for ioctl * @cmd: ioctl command * @arg: arg * @@ -902,7 +909,7 @@ static int i2o_block_transfer(struct request *req) /** * i2o_block_request_fn - request queue handling function - * q: request queue from which the request could be fetched + * @q: request queue from which the request could be fetched * * Takes the next request from the queue, transfers it and if no error * occurs dequeue it from the queue. On arrival of the reply the message diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c index 3d2e76eea93..a61cb17c5c1 100644 --- a/drivers/message/i2o/i2o_proc.c +++ b/drivers/message/i2o/i2o_proc.c @@ -163,7 +163,7 @@ static int print_serial_number(struct seq_file *seq, u8 * serialno, int max_len) * i2o_get_class_name - do i2o class name lookup * @class: class number * - * Return a descriptive string for an i2o class + * Return a descriptive string for an i2o class. */ static const char *i2o_get_class_name(int class) { diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c index d5f93b12b6f..1045c8a518b 100644 --- a/drivers/message/i2o/i2o_scsi.c +++ b/drivers/message/i2o/i2o_scsi.c @@ -411,8 +411,7 @@ static void i2o_scsi_notify_device_add(struct i2o_device *i2o_dev) }; /** - * i2o_scsi_notify_device_remove - Retrieve notifications of removed - * devices + * i2o_scsi_notify_device_remove - Retrieve notifications of removed devices * @i2o_dev: the I2O device which was removed * * If a I2O device is removed, we catch the notification to remove the @@ -432,8 +431,7 @@ static void i2o_scsi_notify_device_remove(struct i2o_device *i2o_dev) }; /** - * i2o_scsi_notify_controller_add - Retrieve notifications of added - * controllers + * i2o_scsi_notify_controller_add - Retrieve notifications of added controllers * @c: the controller which was added * * If a I2O controller is added, we catch the notification to add a @@ -463,8 +461,7 @@ static void i2o_scsi_notify_controller_add(struct i2o_controller *c) }; /** - * i2o_scsi_notify_controller_remove - Retrieve notifications of removed - * controllers + * i2o_scsi_notify_controller_remove - Retrieve notifications of removed controllers * @c: the controller which was removed * * If a I2O controller is removed, we catch the notification to remove the @@ -751,7 +748,7 @@ static int i2o_scsi_abort(struct scsi_cmnd *SCpnt) * @capacity: size in sectors * @ip: geometry array * - * This is anyones guess quite frankly. We use the same rules everyone + * This is anyone's guess quite frankly. We use the same rules everyone * else appears to and hope. It seems to work. */ diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 8287f95c8c4..3661e6e065d 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -259,6 +259,7 @@ static irqreturn_t i2o_pci_interrupt(int irq, void *dev_id) /** * i2o_pci_irq_enable - Allocate interrupt for I2O controller + * @c: i2o_controller that the request is for * * Allocate an interrupt for the I2O controller, and activate interrupts * on the I2O controller. @@ -305,7 +306,7 @@ static void i2o_pci_irq_disable(struct i2o_controller *c) /** * i2o_pci_probe - Probe the PCI device for an I2O controller - * @dev: PCI device to test + * @pdev: PCI device to test * @id: id which matched with the PCI device id table * * Probe the PCI device for any device which is a memory of the @@ -447,7 +448,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, /** * i2o_pci_remove - Removes a I2O controller from the system - * pdev: I2O controller which should be removed + * @pdev: I2O controller which should be removed * * Reset the I2O controller, disable interrupts and remove all allocated * resources. -- cgit v1.2.3 From f67637ee4b5d90d41160d755b9a8cca18c394586 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 6 Dec 2006 20:38:54 -0800 Subject: [PATCH] Add struct dev pointer to dma_is_consistent() dma_is_consistent() is ill-designed in that it does not have a struct device pointer argument which makes proper support for systems that consist of a mix of coherent and non-coherent DMA devices hard. Change dma_is_consistent to take a struct device pointer as first argument and fix the sole caller to pass it. Signed-off-by: Ralf Baechle Cc: James Bottomley Cc: "David S. Miller" Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/scsi/53c700.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 335a25540c0..acee062cd6f 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -313,7 +313,7 @@ NCR_700_detect(struct scsi_host_template *tpnt, hostdata->status = memory + STATUS_OFFSET; /* all of these offsets are L1_CACHE_BYTES separated. It is fatal * if this isn't sufficient separation to avoid dma flushing issues */ - BUG_ON(!dma_is_consistent(pScript) && L1_CACHE_BYTES < dma_get_cache_alignment()); + BUG_ON(!dma_is_consistent(hostdata->dev, pScript) && L1_CACHE_BYTES < dma_get_cache_alignment()); hostdata->slots = (struct NCR_700_command_slot *)(memory + SLOTS_OFFSET); hostdata->dev = dev; -- cgit v1.2.3 From d3fa72e4556ec1f04e46a0d561d9e785ecaa173d Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 6 Dec 2006 20:38:56 -0800 Subject: [PATCH] Pass struct dev pointer to dma_cache_sync() Pass struct dev pointer to dma_cache_sync() dma_cache_sync() is ill-designed in that it does not have a struct device pointer argument which makes proper support for systems that consist of a mix of coherent and non-coherent DMA devices hard. Change dma_cache_sync to take a struct device pointer as first argument and fix all its callers to pass it. Signed-off-by: Ralf Baechle Cc: James Bottomley Cc: "David S. Miller" Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/net/lasi_82596.c | 94 ++++++++++++++++++++++++------------------------ drivers/scsi/53c700.c | 80 ++++++++++++++++++++++------------------- drivers/scsi/53c700.h | 16 ++++----- drivers/serial/mpsc.c | 22 ++++++------ 4 files changed, 109 insertions(+), 103 deletions(-) (limited to 'drivers') diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index f4d815bca64..ea392f2a5aa 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -119,14 +119,14 @@ #define DEB(x,y) if (i596_debug & (x)) { y; } -#define CHECK_WBACK(addr,len) \ - do { dma_cache_sync((void *)addr, len, DMA_TO_DEVICE); } while (0) +#define CHECK_WBACK(priv, addr,len) \ + do { dma_cache_sync((priv)->dev, (void *)addr, len, DMA_TO_DEVICE); } while (0) -#define CHECK_INV(addr,len) \ - do { dma_cache_sync((void *)addr, len, DMA_FROM_DEVICE); } while(0) +#define CHECK_INV(priv, addr,len) \ + do { dma_cache_sync((priv)->dev, (void *)addr, len, DMA_FROM_DEVICE); } while(0) -#define CHECK_WBACK_INV(addr,len) \ - do { dma_cache_sync((void *)addr, len, DMA_BIDIRECTIONAL); } while (0) +#define CHECK_WBACK_INV(priv, addr,len) \ + do { dma_cache_sync((priv)->dev, (void *)addr, len, DMA_BIDIRECTIONAL); } while (0) #define PA_I82596_RESET 0 /* Offsets relative to LASI-LAN-Addr.*/ @@ -449,10 +449,10 @@ static inline void MPU_PORT(struct net_device *dev, int c, dma_addr_t x) static inline int wait_istat(struct net_device *dev, struct i596_private *lp, int delcnt, char *str) { - CHECK_INV(&(lp->iscp), sizeof(struct i596_iscp)); + CHECK_INV(lp, &(lp->iscp), sizeof(struct i596_iscp)); while (--delcnt && lp->iscp.stat) { udelay(10); - CHECK_INV(&(lp->iscp), sizeof(struct i596_iscp)); + CHECK_INV(lp, &(lp->iscp), sizeof(struct i596_iscp)); } if (!delcnt) { printk("%s: %s, iscp.stat %04x, didn't clear\n", @@ -466,10 +466,10 @@ static inline int wait_istat(struct net_device *dev, struct i596_private *lp, in static inline int wait_cmd(struct net_device *dev, struct i596_private *lp, int delcnt, char *str) { - CHECK_INV(&(lp->scb), sizeof(struct i596_scb)); + CHECK_INV(lp, &(lp->scb), sizeof(struct i596_scb)); while (--delcnt && lp->scb.command) { udelay(10); - CHECK_INV(&(lp->scb), sizeof(struct i596_scb)); + CHECK_INV(lp, &(lp->scb), sizeof(struct i596_scb)); } if (!delcnt) { printk("%s: %s, status %4.4x, cmd %4.4x.\n", @@ -522,7 +522,7 @@ static void i596_display_data(struct net_device *dev) rbd, rbd->count, rbd->b_next, rbd->b_data, rbd->size); rbd = rbd->v_next; } while (rbd != lp->rbd_head); - CHECK_INV(lp, sizeof(struct i596_private)); + CHECK_INV(lp, lp, sizeof(struct i596_private)); } @@ -592,7 +592,7 @@ static inline void init_rx_bufs(struct net_device *dev) rfd->b_next = WSWAPrfd(virt_to_dma(lp,lp->rfds)); rfd->cmd = CMD_EOL|CMD_FLEX; - CHECK_WBACK_INV(lp, sizeof(struct i596_private)); + CHECK_WBACK_INV(lp, lp, sizeof(struct i596_private)); } static inline void remove_rx_bufs(struct net_device *dev) @@ -629,7 +629,7 @@ static void rebuild_rx_bufs(struct net_device *dev) lp->rbd_head = lp->rbds; lp->rfds[0].rbd = WSWAPrbd(virt_to_dma(lp,lp->rbds)); - CHECK_WBACK_INV(lp, sizeof(struct i596_private)); + CHECK_WBACK_INV(lp, lp, sizeof(struct i596_private)); } @@ -663,8 +663,8 @@ static int init_i596_mem(struct net_device *dev) DEB(DEB_INIT, printk("%s: starting i82596.\n", dev->name)); - CHECK_WBACK(&(lp->scp), sizeof(struct i596_scp)); - CHECK_WBACK(&(lp->iscp), sizeof(struct i596_iscp)); + CHECK_WBACK(lp, &(lp->scp), sizeof(struct i596_scp)); + CHECK_WBACK(lp, &(lp->iscp), sizeof(struct i596_iscp)); MPU_PORT(dev, PORT_ALTSCP, virt_to_dma(lp,&lp->scp)); @@ -678,25 +678,25 @@ static int init_i596_mem(struct net_device *dev) rebuild_rx_bufs(dev); lp->scb.command = 0; - CHECK_WBACK(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK(lp, &(lp->scb), sizeof(struct i596_scb)); enable_irq(dev->irq); /* enable IRQs from LAN */ DEB(DEB_INIT, printk("%s: queuing CmdConfigure\n", dev->name)); memcpy(lp->cf_cmd.i596_config, init_setup, 14); lp->cf_cmd.cmd.command = CmdConfigure; - CHECK_WBACK(&(lp->cf_cmd), sizeof(struct cf_cmd)); + CHECK_WBACK(lp, &(lp->cf_cmd), sizeof(struct cf_cmd)); i596_add_cmd(dev, &lp->cf_cmd.cmd); DEB(DEB_INIT, printk("%s: queuing CmdSASetup\n", dev->name)); memcpy(lp->sa_cmd.eth_addr, dev->dev_addr, 6); lp->sa_cmd.cmd.command = CmdSASetup; - CHECK_WBACK(&(lp->sa_cmd), sizeof(struct sa_cmd)); + CHECK_WBACK(lp, &(lp->sa_cmd), sizeof(struct sa_cmd)); i596_add_cmd(dev, &lp->sa_cmd.cmd); DEB(DEB_INIT, printk("%s: queuing CmdTDR\n", dev->name)); lp->tdr_cmd.cmd.command = CmdTDR; - CHECK_WBACK(&(lp->tdr_cmd), sizeof(struct tdr_cmd)); + CHECK_WBACK(lp, &(lp->tdr_cmd), sizeof(struct tdr_cmd)); i596_add_cmd(dev, &lp->tdr_cmd.cmd); spin_lock_irqsave (&lp->lock, flags); @@ -708,7 +708,7 @@ static int init_i596_mem(struct net_device *dev) DEB(DEB_INIT, printk("%s: Issuing RX_START\n", dev->name)); lp->scb.command = RX_START; lp->scb.rfd = WSWAPrfd(virt_to_dma(lp,lp->rfds)); - CHECK_WBACK(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK(lp, &(lp->scb), sizeof(struct i596_scb)); CA(dev); @@ -740,13 +740,13 @@ static inline int i596_rx(struct net_device *dev) rfd = lp->rfd_head; /* Ref next frame to check */ - CHECK_INV(rfd, sizeof(struct i596_rfd)); + CHECK_INV(lp, rfd, sizeof(struct i596_rfd)); while ((rfd->stat) & STAT_C) { /* Loop while complete frames */ if (rfd->rbd == I596_NULL) rbd = NULL; else if (rfd->rbd == lp->rbd_head->b_addr) { rbd = lp->rbd_head; - CHECK_INV(rbd, sizeof(struct i596_rbd)); + CHECK_INV(lp, rbd, sizeof(struct i596_rbd)); } else { printk("%s: rbd chain broken!\n", dev->name); @@ -790,7 +790,7 @@ static inline int i596_rx(struct net_device *dev) dma_addr = dma_map_single(lp->dev, newskb->data, PKT_BUF_SZ, DMA_FROM_DEVICE); rbd->v_data = newskb->data; rbd->b_data = WSWAPchar(dma_addr); - CHECK_WBACK_INV(rbd, sizeof(struct i596_rbd)); + CHECK_WBACK_INV(lp, rbd, sizeof(struct i596_rbd)); } else skb = dev_alloc_skb(pkt_len + 2); @@ -842,7 +842,7 @@ memory_squeeze: if (rbd != NULL && (rbd->count & 0x4000)) { rbd->count = 0; lp->rbd_head = rbd->v_next; - CHECK_WBACK_INV(rbd, sizeof(struct i596_rbd)); + CHECK_WBACK_INV(lp, rbd, sizeof(struct i596_rbd)); } /* Tidy the frame descriptor, marking it as end of list */ @@ -860,10 +860,10 @@ memory_squeeze: lp->scb.rfd = rfd->b_next; lp->rfd_head = rfd->v_next; - CHECK_WBACK_INV(rfd->v_prev, sizeof(struct i596_rfd)); - CHECK_WBACK_INV(rfd, sizeof(struct i596_rfd)); + CHECK_WBACK_INV(lp, rfd->v_prev, sizeof(struct i596_rfd)); + CHECK_WBACK_INV(lp, rfd, sizeof(struct i596_rfd)); rfd = lp->rfd_head; - CHECK_INV(rfd, sizeof(struct i596_rfd)); + CHECK_INV(lp, rfd, sizeof(struct i596_rfd)); } DEB(DEB_RXFRAME, printk("frames %d\n", frames)); @@ -902,12 +902,12 @@ static inline void i596_cleanup_cmd(struct net_device *dev, struct i596_private ptr->v_next = NULL; ptr->b_next = I596_NULL; } - CHECK_WBACK_INV(ptr, sizeof(struct i596_cmd)); + CHECK_WBACK_INV(lp, ptr, sizeof(struct i596_cmd)); } wait_cmd(dev, lp, 100, "i596_cleanup_cmd timed out"); lp->scb.cmd = I596_NULL; - CHECK_WBACK(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK(lp, &(lp->scb), sizeof(struct i596_scb)); } @@ -925,7 +925,7 @@ static inline void i596_reset(struct net_device *dev, struct i596_private *lp) /* FIXME: this command might cause an lpmc */ lp->scb.command = CUC_ABORT | RX_ABORT; - CHECK_WBACK(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK(lp, &(lp->scb), sizeof(struct i596_scb)); CA(dev); /* wait for shutdown */ @@ -951,20 +951,20 @@ static void i596_add_cmd(struct net_device *dev, struct i596_cmd *cmd) cmd->command |= (CMD_EOL | CMD_INTR); cmd->v_next = NULL; cmd->b_next = I596_NULL; - CHECK_WBACK(cmd, sizeof(struct i596_cmd)); + CHECK_WBACK(lp, cmd, sizeof(struct i596_cmd)); spin_lock_irqsave (&lp->lock, flags); if (lp->cmd_head != NULL) { lp->cmd_tail->v_next = cmd; lp->cmd_tail->b_next = WSWAPcmd(virt_to_dma(lp,&cmd->status)); - CHECK_WBACK(lp->cmd_tail, sizeof(struct i596_cmd)); + CHECK_WBACK(lp, lp->cmd_tail, sizeof(struct i596_cmd)); } else { lp->cmd_head = cmd; wait_cmd(dev, lp, 100, "i596_add_cmd timed out"); lp->scb.cmd = WSWAPcmd(virt_to_dma(lp,&cmd->status)); lp->scb.command = CUC_START; - CHECK_WBACK(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK(lp, &(lp->scb), sizeof(struct i596_scb)); CA(dev); } lp->cmd_tail = cmd; @@ -998,12 +998,12 @@ static int i596_test(struct net_device *dev) data = virt_to_dma(lp,tint); tint[1] = -1; - CHECK_WBACK(tint,PAGE_SIZE); + CHECK_WBACK(lp, tint, PAGE_SIZE); MPU_PORT(dev, 1, data); for(data = 1000000; data; data--) { - CHECK_INV(tint,PAGE_SIZE); + CHECK_INV(lp, tint, PAGE_SIZE); if(tint[1] != -1) break; @@ -1061,7 +1061,7 @@ static void i596_tx_timeout (struct net_device *dev) /* Issue a channel attention signal */ DEB(DEB_ERRORS, printk("Kicking board.\n")); lp->scb.command = CUC_START | RX_START; - CHECK_WBACK_INV(&(lp->scb), sizeof(struct i596_scb)); + CHECK_WBACK_INV(lp, &(lp->scb), sizeof(struct i596_scb)); CA (dev); lp->last_restart = lp->stats.tx_packets; } @@ -1118,8 +1118,8 @@ static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev) tbd->data = WSWAPchar(tx_cmd->dma_addr); DEB(DEB_TXADDR,print_eth(skb->data, "tx-queued")); - CHECK_WBACK_INV(tx_cmd, sizeof(struct tx_cmd)); - CHECK_WBACK_INV(tbd, sizeof(struct i596_tbd)); + CHECK_WBACK_INV(lp, tx_cmd, sizeof(struct tx_cmd)); + CHECK_WBACK_INV(lp, tbd, sizeof(struct i596_tbd)); i596_add_cmd(dev, &tx_cmd->cmd); lp->stats.tx_packets++; @@ -1228,7 +1228,7 @@ static int __devinit i82596_probe(struct net_device *dev, lp->dma_addr = dma_addr; lp->dev = gen_dev; - CHECK_WBACK_INV(dev->mem_start, sizeof(struct i596_private)); + CHECK_WBACK_INV(lp, dev->mem_start, sizeof(struct i596_private)); i = register_netdev(dev); if (i) { @@ -1295,7 +1295,7 @@ static irqreturn_t i596_interrupt(int irq, void *dev_id) DEB(DEB_INTS, printk("%s: i596 interrupt command unit inactive %x.\n", dev->name, status & 0x0700)); while (lp->cmd_head != NULL) { - CHECK_INV(lp->cmd_head, sizeof(struct i596_cmd)); + CHECK_INV(lp, lp->cmd_head, sizeof(struct i596_cmd)); if (!(lp->cmd_head->status & STAT_C)) break; @@ -1358,7 +1358,7 @@ static irqreturn_t i596_interrupt(int irq, void *dev_id) } ptr->v_next = NULL; ptr->b_next = I596_NULL; - CHECK_WBACK(ptr, sizeof(struct i596_cmd)); + CHECK_WBACK(lp, ptr, sizeof(struct i596_cmd)); lp->last_cmd = jiffies; } @@ -1372,13 +1372,13 @@ static irqreturn_t i596_interrupt(int irq, void *dev_id) ptr->command &= 0x1fff; ptr = ptr->v_next; - CHECK_WBACK_INV(prev, sizeof(struct i596_cmd)); + CHECK_WBACK_INV(lp, prev, sizeof(struct i596_cmd)); } if ((lp->cmd_head != NULL)) ack_cmd |= CUC_START; lp->scb.cmd = WSWAPcmd(virt_to_dma(lp,&lp->cmd_head->status)); - CHECK_WBACK_INV(&lp->scb, sizeof(struct i596_scb)); + CHECK_WBACK_INV(lp, &lp->scb, sizeof(struct i596_scb)); } if ((status & 0x1000) || (status & 0x4000)) { if ((status & 0x4000)) @@ -1397,7 +1397,7 @@ static irqreturn_t i596_interrupt(int irq, void *dev_id) } wait_cmd(dev, lp, 100, "i596 interrupt, timeout"); lp->scb.command = ack_cmd; - CHECK_WBACK(&lp->scb, sizeof(struct i596_scb)); + CHECK_WBACK(lp, &lp->scb, sizeof(struct i596_scb)); /* DANGER: I suspect that some kind of interrupt acknowledgement aside from acking the 82596 might be needed @@ -1426,7 +1426,7 @@ static int i596_close(struct net_device *dev) wait_cmd(dev, lp, 100, "close1 timed out"); lp->scb.command = CUC_ABORT | RX_ABORT; - CHECK_WBACK(&lp->scb, sizeof(struct i596_scb)); + CHECK_WBACK(lp, &lp->scb, sizeof(struct i596_scb)); CA(dev); @@ -1486,7 +1486,7 @@ static void set_multicast_list(struct net_device *dev) dev->name); else { lp->cf_cmd.cmd.command = CmdConfigure; - CHECK_WBACK_INV(&lp->cf_cmd, sizeof(struct cf_cmd)); + CHECK_WBACK_INV(lp, &lp->cf_cmd, sizeof(struct cf_cmd)); i596_add_cmd(dev, &lp->cf_cmd.cmd); } } @@ -1514,7 +1514,7 @@ static void set_multicast_list(struct net_device *dev) DEB(DEB_MULTI, printk("%s: Adding address %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, cp[0],cp[1],cp[2],cp[3],cp[4],cp[5])); } - CHECK_WBACK_INV(&lp->mc_cmd, sizeof(struct mc_cmd)); + CHECK_WBACK_INV(lp, &lp->mc_cmd, sizeof(struct mc_cmd)); i596_add_cmd(dev, &cmd->cmd); } } diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index acee062cd6f..68103e508db 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -362,11 +362,11 @@ NCR_700_detect(struct scsi_host_template *tpnt, for (j = 0; j < PATCHES; j++) script[LABELPATCHES[j]] = bS_to_host(pScript + SCRIPT[LABELPATCHES[j]]); /* now patch up fixed addresses. */ - script_patch_32(script, MessageLocation, + script_patch_32(hostdata->dev, script, MessageLocation, pScript + MSGOUT_OFFSET); - script_patch_32(script, StatusAddress, + script_patch_32(hostdata->dev, script, StatusAddress, pScript + STATUS_OFFSET); - script_patch_32(script, ReceiveMsgAddress, + script_patch_32(hostdata->dev, script, ReceiveMsgAddress, pScript + MSGIN_OFFSET); hostdata->script = script; @@ -821,8 +821,9 @@ process_extended_message(struct Scsi_Host *host, shost_printk(KERN_WARNING, host, "Unexpected SDTR msg\n"); hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, + MessageCount, 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -833,8 +834,9 @@ process_extended_message(struct Scsi_Host *host, printk(KERN_INFO "scsi%d: (%d:%d), Unsolicited WDTR after CMD, Rejecting\n", host->host_no, pun, lun); hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); resume_offset = hostdata->pScript + Ent_SendMessageWithATN; break; @@ -847,8 +849,9 @@ process_extended_message(struct Scsi_Host *host, printk("\n"); /* just reject it */ hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -929,8 +932,9 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata printk("\n"); /* just reject it */ hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -939,7 +943,7 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata } NCR_700_writel(temp, host, TEMP_REG); /* set us up to receive another message */ - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); return resume_offset; } @@ -1019,9 +1023,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, slot->SG[1].ins = bS_to_host(SCRIPT_RETURN); slot->SG[1].pAddr = 0; slot->resume_offset = hostdata->pScript; - dma_cache_sync(slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE); - dma_cache_sync(SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); - + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); + /* queue the command for reissue */ slot->state = NCR_700_SLOT_QUEUED; slot->flags = NCR_700_FLAG_AUTOSENSE; @@ -1136,11 +1140,12 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, hostdata->cmd = slot->cmnd; /* re-patch for this command */ - script_patch_32_abs(hostdata->script, CommandAddress, - slot->pCmd); - script_patch_16(hostdata->script, + script_patch_32_abs(hostdata->dev, hostdata->script, + CommandAddress, slot->pCmd); + script_patch_16(hostdata->dev, hostdata->script, CommandCount, slot->cmnd->cmd_len); - script_patch_32_abs(hostdata->script, SGScriptStartAddress, + script_patch_32_abs(hostdata->dev, hostdata->script, + SGScriptStartAddress, to32bit(&slot->pSG[0].ins)); /* Note: setting SXFER only works if we're @@ -1150,13 +1155,13 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * should therefore always clear ACK */ NCR_700_writeb(NCR_700_get_SXFER(hostdata->cmd->device), host, SXFER_REG); - dma_cache_sync(hostdata->msgin, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); - dma_cache_sync(hostdata->msgout, + dma_cache_sync(hostdata->dev, hostdata->msgout, MSG_ARRAY_SIZE, DMA_TO_DEVICE); /* I'm just being paranoid here, the command should * already have been flushed from the cache */ - dma_cache_sync(slot->cmnd->cmnd, + dma_cache_sync(hostdata->dev, slot->cmnd->cmnd, slot->cmnd->cmd_len, DMA_TO_DEVICE); @@ -1220,7 +1225,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, hostdata->reselection_id = reselection_id; /* just in case we have a stale simple tag message, clear it */ hostdata->msgin[1] = 0; - dma_cache_sync(hostdata->msgin, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_BIDIRECTIONAL); if(hostdata->tag_negotiated & (1<pScript + Ent_GetReselectionWithTag; @@ -1336,7 +1341,7 @@ process_selection(struct Scsi_Host *host, __u32 dsp) hostdata->cmd = NULL; /* clear any stale simple tag message */ hostdata->msgin[1] = 0; - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_BIDIRECTIONAL); if(id == 0xff) { @@ -1433,29 +1438,30 @@ NCR_700_start_command(struct scsi_cmnd *SCp) NCR_700_set_flag(SCp->device, NCR_700_DEV_BEGIN_SYNC_NEGOTIATION); } - script_patch_16(hostdata->script, MessageCount, count); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, count); - script_patch_ID(hostdata->script, + script_patch_ID(hostdata->dev, hostdata->script, Device_ID, 1<script, CommandAddress, + script_patch_32_abs(hostdata->dev, hostdata->script, CommandAddress, slot->pCmd); - script_patch_16(hostdata->script, CommandCount, SCp->cmd_len); + script_patch_16(hostdata->dev, hostdata->script, CommandCount, + SCp->cmd_len); /* finally plumb the beginning of the SG list into the script * */ - script_patch_32_abs(hostdata->script, SGScriptStartAddress, - to32bit(&slot->pSG[0].ins)); + script_patch_32_abs(hostdata->dev, hostdata->script, + SGScriptStartAddress, to32bit(&slot->pSG[0].ins)); NCR_700_clear_fifo(SCp->device->host); if(slot->resume_offset == 0) slot->resume_offset = hostdata->pScript; /* now perform all the writebacks and invalidates */ - dma_cache_sync(hostdata->msgout, count, DMA_TO_DEVICE); - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, + dma_cache_sync(hostdata->dev, hostdata->msgout, count, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); - dma_cache_sync(SCp->cmnd, SCp->cmd_len, DMA_TO_DEVICE); - dma_cache_sync(hostdata->status, 1, DMA_FROM_DEVICE); + dma_cache_sync(hostdata->dev, SCp->cmnd, SCp->cmd_len, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->status, 1, DMA_FROM_DEVICE); /* set the synchronous period/offset */ NCR_700_writeb(NCR_700_get_SXFER(SCp->device), @@ -1631,7 +1637,7 @@ NCR_700_intr(int irq, void *dev_id) slot->SG[i].ins = bS_to_host(SCRIPT_NOP); slot->SG[i].pAddr = 0; } - dma_cache_sync(slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); /* and pretend we disconnected after * the command phase */ resume_offset = hostdata->pScript + Ent_MsgInDuringData; @@ -1897,9 +1903,9 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) } slot->SG[i].ins = bS_to_host(SCRIPT_RETURN); slot->SG[i].pAddr = 0; - dma_cache_sync(slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); DEBUG((" SETTING %08lx to %x\n", - (&slot->pSG[i].ins), + (&slot->pSG[i].ins), slot->SG[i].ins)); } slot->resume_offset = 0; diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h index f5c3caf344a..f38822db421 100644 --- a/drivers/scsi/53c700.h +++ b/drivers/scsi/53c700.h @@ -415,31 +415,31 @@ struct NCR_700_Host_Parameters { #define NCR_710_MIN_XFERP 0 #define NCR_700_MIN_PERIOD 25 /* for SDTR message, 100ns */ -#define script_patch_32(script, symbol, value) \ +#define script_patch_32(dev, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ __u32 val = bS_to_cpu((script)[A_##symbol##_used[i]]) + value; \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ + dma_cache_sync((dev), &(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ DEBUG((" script, patching %s at %d to 0x%lx\n", \ #symbol, A_##symbol##_used[i], (value))); \ } \ } -#define script_patch_32_abs(script, symbol, value) \ +#define script_patch_32_abs(dev, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ (script)[A_##symbol##_used[i]] = bS_to_host(value); \ - dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ + dma_cache_sync((dev), &(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ DEBUG((" script, patching %s at %d to 0x%lx\n", \ #symbol, A_##symbol##_used[i], (value))); \ } \ } /* Used for patching the SCSI ID in the SELECT instruction */ -#define script_patch_ID(script, symbol, value) \ +#define script_patch_ID(dev, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ @@ -447,13 +447,13 @@ struct NCR_700_Host_Parameters { val &= 0xff00ffff; \ val |= ((value) & 0xff) << 16; \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ + dma_cache_sync((dev), &(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ DEBUG((" script, patching ID field %s at %d to 0x%x\n", \ #symbol, A_##symbol##_used[i], val)); \ } \ } -#define script_patch_16(script, symbol, value) \ +#define script_patch_16(dev, script, symbol, value) \ { \ int i; \ for(i=0; i< (sizeof(A_##symbol##_used) / sizeof(__u32)); i++) { \ @@ -461,7 +461,7 @@ struct NCR_700_Host_Parameters { val &= 0xffff0000; \ val |= ((value) & 0xffff); \ (script)[A_##symbol##_used[i]] = bS_to_host(val); \ - dma_cache_sync(&(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ + dma_cache_sync((dev), &(script)[A_##symbol##_used[i]], 4, DMA_TO_DEVICE); \ DEBUG((" script, patching short field %s at %d to 0x%x\n", \ #symbol, A_##symbol##_used[i], val)); \ } \ diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 8eea69f2998..29823bd60fb 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -555,7 +555,7 @@ mpsc_sdma_start_tx(struct mpsc_port_info *pi) if (!mpsc_sdma_tx_active(pi)) { txre = (struct mpsc_tx_desc *)(pi->txr + (pi->txr_tail * MPSC_TXRE_SIZE)); - dma_cache_sync((void *) txre, MPSC_TXRE_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(pi->port.dev, (void *) txre, MPSC_TXRE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ invalidate_dcache_range((ulong)txre, @@ -931,7 +931,7 @@ mpsc_init_rings(struct mpsc_port_info *pi) } txre->link = cpu_to_be32(pi->txr_p); /* Wrap last back to first */ - dma_cache_sync((void *) pi->dma_region, MPSC_DMA_ALLOC_SIZE, + dma_cache_sync(pi->port.dev, (void *) pi->dma_region, MPSC_DMA_ALLOC_SIZE, DMA_BIDIRECTIONAL); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ @@ -1005,7 +1005,7 @@ mpsc_rx_intr(struct mpsc_port_info *pi) rxre = (struct mpsc_rx_desc *)(pi->rxr + (pi->rxr_posn*MPSC_RXRE_SIZE)); - dma_cache_sync((void *)rxre, MPSC_RXRE_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(pi->port.dev, (void *)rxre, MPSC_RXRE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ invalidate_dcache_range((ulong)rxre, @@ -1029,7 +1029,7 @@ mpsc_rx_intr(struct mpsc_port_info *pi) } bp = pi->rxb + (pi->rxr_posn * MPSC_RXBE_SIZE); - dma_cache_sync((void *) bp, MPSC_RXBE_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(pi->port.dev, (void *) bp, MPSC_RXBE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ invalidate_dcache_range((ulong)bp, @@ -1098,7 +1098,7 @@ next_frame: SDMA_DESC_CMDSTAT_F | SDMA_DESC_CMDSTAT_L); wmb(); - dma_cache_sync((void *)rxre, MPSC_RXRE_SIZE, DMA_BIDIRECTIONAL); + dma_cache_sync(pi->port.dev, (void *)rxre, MPSC_RXRE_SIZE, DMA_BIDIRECTIONAL); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ flush_dcache_range((ulong)rxre, @@ -1109,7 +1109,7 @@ next_frame: pi->rxr_posn = (pi->rxr_posn + 1) & (MPSC_RXR_ENTRIES - 1); rxre = (struct mpsc_rx_desc *)(pi->rxr + (pi->rxr_posn * MPSC_RXRE_SIZE)); - dma_cache_sync((void *)rxre, MPSC_RXRE_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(pi->port.dev, (void *)rxre, MPSC_RXRE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ invalidate_dcache_range((ulong)rxre, @@ -1143,7 +1143,7 @@ mpsc_setup_tx_desc(struct mpsc_port_info *pi, u32 count, u32 intr) SDMA_DESC_CMDSTAT_EI : 0)); wmb(); - dma_cache_sync((void *) txre, MPSC_TXRE_SIZE, DMA_BIDIRECTIONAL); + dma_cache_sync(pi->port.dev, (void *) txre, MPSC_TXRE_SIZE, DMA_BIDIRECTIONAL); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ flush_dcache_range((ulong)txre, @@ -1192,7 +1192,7 @@ mpsc_copy_tx_data(struct mpsc_port_info *pi) else /* All tx data copied into ring bufs */ return; - dma_cache_sync((void *) bp, MPSC_TXBE_SIZE, DMA_BIDIRECTIONAL); + dma_cache_sync(pi->port.dev, (void *) bp, MPSC_TXBE_SIZE, DMA_BIDIRECTIONAL); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ flush_dcache_range((ulong)bp, @@ -1217,7 +1217,7 @@ mpsc_tx_intr(struct mpsc_port_info *pi) txre = (struct mpsc_tx_desc *)(pi->txr + (pi->txr_tail * MPSC_TXRE_SIZE)); - dma_cache_sync((void *) txre, MPSC_TXRE_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(pi->port.dev, (void *) txre, MPSC_TXRE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ invalidate_dcache_range((ulong)txre, @@ -1235,7 +1235,7 @@ mpsc_tx_intr(struct mpsc_port_info *pi) txre = (struct mpsc_tx_desc *)(pi->txr + (pi->txr_tail * MPSC_TXRE_SIZE)); - dma_cache_sync((void *) txre, MPSC_TXRE_SIZE, + dma_cache_sync(pi->port.dev, (void *) txre, MPSC_TXRE_SIZE, DMA_FROM_DEVICE); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ @@ -1652,7 +1652,7 @@ mpsc_console_write(struct console *co, const char *s, uint count) count--; } - dma_cache_sync((void *) bp, MPSC_TXBE_SIZE, DMA_BIDIRECTIONAL); + dma_cache_sync(pi->port.dev, (void *) bp, MPSC_TXBE_SIZE, DMA_BIDIRECTIONAL); #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) if (pi->cache_mgmt) /* GT642[46]0 Res #COMM-2 */ flush_dcache_range((ulong)bp, -- cgit v1.2.3 From 9399575dd30edcb84e821583daf81d4ba774a95b Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Wed, 6 Dec 2006 20:38:59 -0800 Subject: [PATCH] dz: Fixes to make it work This a set of fixes mostly to make the driver actually work: 1. Actually select the line for setting parameters and receiver disable/enable. 2. Select the line for receive and transmit interrupt handling correctly. 3. Report the transmitter empty state correctly. 4. Set the I/O type of ports correctly. 5. Perform polled transmission correctly. 6. Don't fix the console line at ttyS3. 7. Magic SysRq support. 8. Various small bits here and there. Tested with a DECstation 2100 (thanks Flo for making this possible). [akpm@osdl.org: fix typo] Signed-off-by: Maciej W. Rozycki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/decserial.c | 38 +---- drivers/serial/dz.c | 371 ++++++++++++++++++++++++----------------------- drivers/serial/dz.h | 32 ++-- 3 files changed, 212 insertions(+), 229 deletions(-) (limited to 'drivers') diff --git a/drivers/char/decserial.c b/drivers/char/decserial.c index 85f404e25c7..8ea2bea2b18 100644 --- a/drivers/char/decserial.c +++ b/drivers/char/decserial.c @@ -23,20 +23,12 @@ extern int zs_init(void); #endif -#ifdef CONFIG_DZ -extern int dz_init(void); -#endif - #ifdef CONFIG_SERIAL_CONSOLE #ifdef CONFIG_ZS extern void zs_serial_console_init(void); #endif -#ifdef CONFIG_DZ -extern void dz_serial_console_init(void); -#endif - #endif /* rs_init - starts up the serial interface - @@ -46,23 +38,11 @@ extern void dz_serial_console_init(void); int __init rs_init(void) { - -#if defined(CONFIG_ZS) && defined(CONFIG_DZ) +#ifdef CONFIG_ZS if (IOASIC) return zs_init(); - else - return dz_init(); -#else - -#ifdef CONFIG_ZS - return zs_init(); -#endif - -#ifdef CONFIG_DZ - return dz_init(); -#endif - #endif + return -ENXIO; } __initcall(rs_init); @@ -76,21 +56,9 @@ __initcall(rs_init); */ static int __init decserial_console_init(void) { -#if defined(CONFIG_ZS) && defined(CONFIG_DZ) +#ifdef CONFIG_ZS if (IOASIC) zs_serial_console_init(); - else - dz_serial_console_init(); -#else - -#ifdef CONFIG_ZS - zs_serial_console_init(); -#endif - -#ifdef CONFIG_DZ - dz_serial_console_init(); -#endif - #endif return 0; } diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c index 53662b33b84..af1544f3356 100644 --- a/drivers/serial/dz.c +++ b/drivers/serial/dz.c @@ -1,11 +1,13 @@ /* - * dz.c: Serial port driver for DECStations equiped + * dz.c: Serial port driver for DECstations equipped * with the DZ chipset. * * Copyright (C) 1998 Olivier A. D. Lebaillif * * Email: olivier.lebaillif@ifrsys.com * + * Copyright (C) 2004, 2006 Maciej W. Rozycki + * * [31-AUG-98] triemer * Changed IRQ to use Harald's dec internals interrupts.h * removed base_addr code - moving address assignment to setup.c @@ -26,10 +28,16 @@ #undef DEBUG_DZ +#if defined(CONFIG_SERIAL_DZ_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) +#define SUPPORT_SYSRQ +#endif + +#include #include #include #include #include +#include #include #include #include @@ -45,14 +53,10 @@ #include #include -#define CONSOLE_LINE (3) /* for definition of struct console */ - #include "dz.h" -#define DZ_INTR_DEBUG 1 - static char *dz_name = "DECstation DZ serial driver version "; -static char *dz_version = "1.02"; +static char *dz_version = "1.03"; struct dz_port { struct uart_port port; @@ -61,22 +65,6 @@ struct dz_port { static struct dz_port dz_ports[DZ_NB_PORT]; -#ifdef DEBUG_DZ -/* - * debugging code to send out chars via prom - */ -static void debug_console(const char *s, int count) -{ - unsigned i; - - for (i = 0; i < count; i++) { - if (*s == 10) - prom_printf("%c", 13); - prom_printf("%c", *s++); - } -} -#endif - /* * ------------------------------------------------------------ * dz_in () and dz_out () @@ -90,6 +78,7 @@ static inline unsigned short dz_in(struct dz_port *dport, unsigned offset) { volatile unsigned short *addr = (volatile unsigned short *) (dport->port.membase + offset); + return *addr; } @@ -98,6 +87,7 @@ static inline void dz_out(struct dz_port *dport, unsigned offset, { volatile unsigned short *addr = (volatile unsigned short *) (dport->port.membase + offset); + *addr = value; } @@ -144,7 +134,7 @@ static void dz_stop_rx(struct uart_port *uport) spin_lock_irqsave(&dport->port.lock, flags); dport->cflag &= ~DZ_CREAD; - dz_out(dport, DZ_LPR, dport->cflag); + dz_out(dport, DZ_LPR, dport->cflag | dport->port.line); spin_unlock_irqrestore(&dport->port.lock, flags); } @@ -155,14 +145,14 @@ static void dz_enable_ms(struct uart_port *port) /* * ------------------------------------------------------------ - * Here starts the interrupt handling routines. All of the - * following subroutines are declared as inline and are folded - * into dz_interrupt. They were separated out for readability's - * sake. * - * Note: rs_interrupt() is a "fast" interrupt, which means that it + * Here start the interrupt handling routines. All of the following + * subroutines are declared as inline and are folded into + * dz_interrupt. They were separated out for readability's sake. + * + * Note: dz_interrupt() is a "fast" interrupt, which means that it * runs with interrupts turned off. People who may want to modify - * rs_interrupt() should try to keep the interrupt handler as fast as + * dz_interrupt() should try to keep the interrupt handler as fast as * possible. After you are done making modifications, it is not a bad * idea to do: * @@ -180,92 +170,74 @@ static void dz_enable_ms(struct uart_port *port) * This routine deals with inputs from any lines. * ------------------------------------------------------------ */ -static inline void dz_receive_chars(struct dz_port *dport) +static inline void dz_receive_chars(struct dz_port *dport_in, + struct pt_regs *regs) { + struct dz_port *dport; struct tty_struct *tty = NULL; struct uart_icount *icount; - int ignore = 0; - unsigned short status, tmp; + int lines_rx[DZ_NB_PORT] = { [0 ... DZ_NB_PORT - 1] = 0 }; + unsigned short status; unsigned char ch, flag; + int i; - /* this code is going to be a problem... - the call to tty_flip_buffer is going to need - to be rethought... - */ - do { - status = dz_in(dport, DZ_RBUF); - - /* punt so we don't get duplicate characters */ - if (!(status & DZ_DVAL)) - goto ignore_char; - - - ch = UCHAR(status); /* grab the char */ - flag = TTY_NORMAL; + while ((status = dz_in(dport_in, DZ_RBUF)) & DZ_DVAL) { + dport = &dz_ports[LINE(status)]; + tty = dport->port.info->tty; /* point to the proper dev */ -#if 0 - if (info->is_console) { - if (ch == 0) - return; /* it's a break ... */ - } -#endif + ch = UCHAR(status); /* grab the char */ - tty = dport->port.info->tty;/* now tty points to the proper dev */ icount = &dport->port.icount; - - if (!tty) - break; - icount->rx++; - /* keep track of the statistics */ - if (status & (DZ_OERR | DZ_FERR | DZ_PERR)) { - if (status & DZ_PERR) /* parity error */ - icount->parity++; - else if (status & DZ_FERR) /* frame error */ - icount->frame++; - if (status & DZ_OERR) /* overrun error */ - icount->overrun++; - - /* check to see if we should ignore the character - and mask off conditions that should be ignored + flag = TTY_NORMAL; + if (status & DZ_FERR) { /* frame error */ + /* + * There is no separate BREAK status bit, so + * treat framing errors as BREAKs for Magic SysRq + * and SAK; normally, otherwise. */ - - if (status & dport->port.ignore_status_mask) { - if (++ignore > 100) - break; - goto ignore_char; - } - /* mask off the error conditions we want to ignore */ - tmp = status & dport->port.read_status_mask; - - if (tmp & DZ_PERR) { - flag = TTY_PARITY; -#ifdef DEBUG_DZ - debug_console("PERR\n", 5); -#endif - } else if (tmp & DZ_FERR) { + if (uart_handle_break(&dport->port)) + continue; + if (dport->port.flags & UPF_SAK) + flag = TTY_BREAK; + else flag = TTY_FRAME; -#ifdef DEBUG_DZ - debug_console("FERR\n", 5); -#endif - } - if (tmp & DZ_OERR) { -#ifdef DEBUG_DZ - debug_console("OERR\n", 5); -#endif - tty_insert_flip_char(tty, ch, flag); - ch = 0; - flag = TTY_OVERRUN; - } + } else if (status & DZ_OERR) /* overrun error */ + flag = TTY_OVERRUN; + else if (status & DZ_PERR) /* parity error */ + flag = TTY_PARITY; + + /* keep track of the statistics */ + switch (flag) { + case TTY_FRAME: + icount->frame++; + break; + case TTY_PARITY: + icount->parity++; + break; + case TTY_OVERRUN: + icount->overrun++; + break; + case TTY_BREAK: + icount->brk++; + break; + default: + break; } - tty_insert_flip_char(tty, ch, flag); - ignore_char: - ; - } while (status & DZ_DVAL); - if (tty) - tty_flip_buffer_push(tty); + if (uart_handle_sysrq_char(&dport->port, ch, regs)) + continue; + + if ((status & dport->port.ignore_status_mask) == 0) { + uart_insert_char(&dport->port, + status, DZ_OERR, ch, flag); + lines_rx[LINE(status)] = 1; + } + } + for (i = 0; i < DZ_NB_PORT; i++) + if (lines_rx[i]) + tty_flip_buffer_push(dz_ports[i].port.info->tty); } /* @@ -275,26 +247,32 @@ static inline void dz_receive_chars(struct dz_port *dport) * This routine deals with outputs to any lines. * ------------------------------------------------------------ */ -static inline void dz_transmit_chars(struct dz_port *dport) +static inline void dz_transmit_chars(struct dz_port *dport_in) { - struct circ_buf *xmit = &dport->port.info->xmit; + struct dz_port *dport; + struct circ_buf *xmit; + unsigned short status; unsigned char tmp; - if (dport->port.x_char) { /* XON/XOFF chars */ + status = dz_in(dport_in, DZ_CSR); + dport = &dz_ports[LINE(status)]; + xmit = &dport->port.info->xmit; + + if (dport->port.x_char) { /* XON/XOFF chars */ dz_out(dport, DZ_TDR, dport->port.x_char); dport->port.icount.tx++; dport->port.x_char = 0; return; } - /* if nothing to do or stopped or hardware stopped */ + /* If nothing to do or stopped or hardware stopped. */ if (uart_circ_empty(xmit) || uart_tx_stopped(&dport->port)) { dz_stop_tx(&dport->port); return; } /* - * if something to do ... (rember the dz has no output fifo so we go - * one char at a time :-< + * If something to do... (remember the dz has no output fifo, + * so we go one char at a time) :-< */ tmp = xmit->buf[xmit->tail]; xmit->tail = (xmit->tail + 1) & (DZ_XMIT_SIZE - 1); @@ -304,23 +282,29 @@ static inline void dz_transmit_chars(struct dz_port *dport) if (uart_circ_chars_pending(xmit) < DZ_WAKEUP_CHARS) uart_write_wakeup(&dport->port); - /* Are we done */ + /* Are we are done. */ if (uart_circ_empty(xmit)) dz_stop_tx(&dport->port); } /* * ------------------------------------------------------------ - * check_modem_status () + * check_modem_status() * - * Only valid for the MODEM line duh ! + * DS 3100 & 5100: Only valid for the MODEM line, duh! + * DS 5000/200: Valid for the MODEM and PRINTER line. * ------------------------------------------------------------ */ static inline void check_modem_status(struct dz_port *dport) { + /* + * FIXME: + * 1. No status change interrupt; use a timer. + * 2. Handle the 3100/5000 as appropriate. --macro + */ unsigned short status; - /* if not ne modem line just return */ + /* If not the modem line just return. */ if (dport->port.line != DZ_MODEM) return; @@ -341,21 +325,18 @@ static inline void check_modem_status(struct dz_port *dport) */ static irqreturn_t dz_interrupt(int irq, void *dev) { - struct dz_port *dport; + struct dz_port *dport = (struct dz_port *)dev; unsigned short status; /* get the reason why we just got an irq */ - status = dz_in((struct dz_port *)dev, DZ_CSR); - dport = &dz_ports[LINE(status)]; + status = dz_in(dport, DZ_CSR); - if (status & DZ_RDONE) - dz_receive_chars(dport); + if ((status & (DZ_RDONE | DZ_RIE)) == (DZ_RDONE | DZ_RIE)) + dz_receive_chars(dport, regs); - if (status & DZ_TRDY) + if ((status & (DZ_TRDY | DZ_TIE)) == (DZ_TRDY | DZ_TIE)) dz_transmit_chars(dport); - /* FIXME: what about check modem status??? --rmk */ - return IRQ_HANDLED; } @@ -367,13 +348,13 @@ static irqreturn_t dz_interrupt(int irq, void *dev) static unsigned int dz_get_mctrl(struct uart_port *uport) { + /* + * FIXME: Handle the 3100/5000 as appropriate. --macro + */ struct dz_port *dport = (struct dz_port *)uport; unsigned int mctrl = TIOCM_CAR | TIOCM_DSR | TIOCM_CTS; if (dport->port.line == DZ_MODEM) { - /* - * CHECKME: This is a guess from the other code... --rmk - */ if (dz_in(dport, DZ_MSR) & DZ_MODEM_DSR) mctrl &= ~TIOCM_DSR; } @@ -383,6 +364,9 @@ static unsigned int dz_get_mctrl(struct uart_port *uport) static void dz_set_mctrl(struct uart_port *uport, unsigned int mctrl) { + /* + * FIXME: Handle the 3100/5000 as appropriate. --macro + */ struct dz_port *dport = (struct dz_port *)uport; unsigned short tmp; @@ -409,13 +393,6 @@ static int dz_startup(struct uart_port *uport) unsigned long flags; unsigned short tmp; - /* The dz lines for the mouse/keyboard must be - * opened using their respective drivers. - */ - if ((dport->port.line == DZ_KEYBOARD) || - (dport->port.line == DZ_MOUSE)) - return -ENODEV; - spin_lock_irqsave(&dport->port.lock, flags); /* enable the interrupt and the scanning */ @@ -442,7 +419,8 @@ static void dz_shutdown(struct uart_port *uport) } /* - * get_lsr_info - get line status register info + * ------------------------------------------------------------------- + * dz_tx_empty() -- get the transmitter empty status * * Purpose: Let user call ioctl() to get info when the UART physically * is emptied. On bus types like RS485, the transmitter must @@ -450,21 +428,28 @@ static void dz_shutdown(struct uart_port *uport) * the transmit shift register is empty, not be done when the * transmit holding register is empty. This functionality * allows an RS485 driver to be written in user space. + * ------------------------------------------------------------------- */ static unsigned int dz_tx_empty(struct uart_port *uport) { struct dz_port *dport = (struct dz_port *)uport; - unsigned short status = dz_in(dport, DZ_LPR); + unsigned short tmp, mask = 1 << dport->port.line; - /* FIXME: this appears to be obviously broken --rmk. */ - return status ? TIOCSER_TEMT : 0; + tmp = dz_in(dport, DZ_TCR); + tmp &= mask; + + return tmp ? 0 : TIOCSER_TEMT; } static void dz_break_ctl(struct uart_port *uport, int break_state) { + /* + * FIXME: Can't access BREAK bits in TDR easily; + * reuse the code for polled TX. --macro + */ struct dz_port *dport = (struct dz_port *)uport; unsigned long flags; - unsigned short tmp, mask = 1 << uport->line; + unsigned short tmp, mask = 1 << dport->port.line; spin_lock_irqsave(&uport->lock, flags); tmp = dz_in(dport, DZ_TCR); @@ -561,7 +546,7 @@ static void dz_set_termios(struct uart_port *uport, struct termios *termios, spin_lock_irqsave(&dport->port.lock, flags); - dz_out(dport, DZ_LPR, cflag); + dz_out(dport, DZ_LPR, cflag | dport->port.line); dport->cflag = cflag; /* setup accept flag */ @@ -650,7 +635,7 @@ static void __init dz_init_ports(void) for (i = 0, dport = dz_ports; i < DZ_NB_PORT; i++, dport++) { spin_lock_init(&dport->port.lock); dport->port.membase = (char *) base; - dport->port.iotype = UPIO_PORT; + dport->port.iotype = UPIO_MEM; dport->port.irq = dec_interrupt[DEC_IRQ_DZ11]; dport->port.line = i; dport->port.fifosize = 1; @@ -662,10 +647,7 @@ static void __init dz_init_ports(void) static void dz_reset(struct dz_port *dport) { dz_out(dport, DZ_CSR, DZ_CLR); - while (dz_in(dport, DZ_CSR) & DZ_CLR); - /* FIXME: cpu_relax? */ - iob(); /* enable scanning */ @@ -673,26 +655,55 @@ static void dz_reset(struct dz_port *dport) } #ifdef CONFIG_SERIAL_DZ_CONSOLE +/* + * ------------------------------------------------------------------- + * dz_console_putchar() -- transmit a character + * + * Polled transmission. This is tricky. We need to mask transmit + * interrupts so that they do not interfere, enable the transmitter + * for the line requested and then wait till the transmit scanner + * requests data for this line. But it may request data for another + * line first, in which case we have to disable its transmitter and + * repeat waiting till our line pops up. Only then the character may + * be transmitted. Finally, the state of the transmitter mask is + * restored. Welcome to the world of PDP-11! + * ------------------------------------------------------------------- + */ static void dz_console_putchar(struct uart_port *uport, int ch) { struct dz_port *dport = (struct dz_port *)uport; unsigned long flags; - int loops = 2500; - unsigned short tmp = (unsigned char)ch; - /* this code sends stuff out to serial device - spinning its - wheels and waiting. */ + unsigned short csr, tcr, trdy, mask; + int loops = 10000; spin_lock_irqsave(&dport->port.lock, flags); + csr = dz_in(dport, DZ_CSR); + dz_out(dport, DZ_CSR, csr & ~DZ_TIE); + tcr = dz_in(dport, DZ_TCR); + tcr |= 1 << dport->port.line; + mask = tcr; + dz_out(dport, DZ_TCR, mask); + iob(); + spin_unlock_irqrestore(&dport->port.lock, flags); - /* spin our wheels */ - while (((dz_in(dport, DZ_CSR) & DZ_TRDY) != DZ_TRDY) && loops--) - /* FIXME: cpu_relax, udelay? --rmk */ - ; + while (loops--) { + trdy = dz_in(dport, DZ_CSR); + if (!(trdy & DZ_TRDY)) + continue; + trdy = (trdy & DZ_TLINE) >> 8; + if (trdy == dport->port.line) + break; + mask &= ~(1 << trdy); + dz_out(dport, DZ_TCR, mask); + iob(); + udelay(2); + } - /* Actually transmit the character. */ - dz_out(dport, DZ_TDR, tmp); + if (loops) /* Cannot send otherwise. */ + dz_out(dport, DZ_TDR, ch); - spin_unlock_irqrestore(&dport->port.lock, flags); + dz_out(dport, DZ_TCR, tcr); + dz_out(dport, DZ_CSR, csr); } /* @@ -703,11 +714,11 @@ static void dz_console_putchar(struct uart_port *uport, int ch) * The console must be locked when we get here. * ------------------------------------------------------------------- */ -static void dz_console_print(struct console *cons, +static void dz_console_print(struct console *co, const char *str, unsigned int count) { - struct dz_port *dport = &dz_ports[CONSOLE_LINE]; + struct dz_port *dport = &dz_ports[co->index]; #ifdef DEBUG_DZ prom_printf((char *) str); #endif @@ -716,49 +727,43 @@ static void dz_console_print(struct console *cons, static int __init dz_console_setup(struct console *co, char *options) { - struct dz_port *dport = &dz_ports[CONSOLE_LINE]; + struct dz_port *dport = &dz_ports[co->index]; int baud = 9600; int bits = 8; int parity = 'n'; int flow = 'n'; - int ret; - unsigned short mask, tmp; if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); dz_reset(dport); - ret = uart_set_options(&dport->port, co, baud, parity, bits, flow); - if (ret == 0) { - mask = 1 << dport->port.line; - tmp = dz_in(dport, DZ_TCR); /* read the TX flag */ - if (!(tmp & mask)) { - tmp |= mask; /* set the TX flag */ - dz_out(dport, DZ_TCR, tmp); - } - } - - return ret; + return uart_set_options(&dport->port, co, baud, parity, bits, flow); } -static struct console dz_sercons = -{ +static struct uart_driver dz_reg; +static struct console dz_sercons = { .name = "ttyS", .write = dz_console_print, .device = uart_console_device, .setup = dz_console_setup, - .flags = CON_CONSDEV | CON_PRINTBUFFER, - .index = CONSOLE_LINE, + .flags = CON_PRINTBUFFER, + .index = -1, + .data = &dz_reg, }; -void __init dz_serial_console_init(void) +static int __init dz_serial_console_init(void) { - dz_init_ports(); - - register_console(&dz_sercons); + if (!IOASIC) { + dz_init_ports(); + register_console(&dz_sercons); + return 0; + } else + return -ENXIO; } +console_initcall(dz_serial_console_init); + #define SERIAL_DZ_CONSOLE &dz_sercons #else #define SERIAL_DZ_CONSOLE NULL @@ -767,35 +772,29 @@ void __init dz_serial_console_init(void) static struct uart_driver dz_reg = { .owner = THIS_MODULE, .driver_name = "serial", - .dev_name = "ttyS%d", + .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, .nr = DZ_NB_PORT, .cons = SERIAL_DZ_CONSOLE, }; -int __init dz_init(void) +static int __init dz_init(void) { - unsigned long flags; int ret, i; + if (IOASIC) + return -ENXIO; + printk("%s%s\n", dz_name, dz_version); dz_init_ports(); - save_flags(flags); - cli(); - #ifndef CONFIG_SERIAL_DZ_CONSOLE /* reset the chip */ dz_reset(&dz_ports[0]); #endif - /* order matters here... the trick is that flags - is updated... in request_irq - to immediatedly obliterate - it is unwise. */ - restore_flags(flags); - if (request_irq(dz_ports[0].port.irq, dz_interrupt, IRQF_DISABLED, "DZ", &dz_ports[0])) panic("Unable to register DZ interrupt"); @@ -810,5 +809,7 @@ int __init dz_init(void) return ret; } +module_init(dz_init); + MODULE_DESCRIPTION("DECstation DZ serial driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/serial/dz.h b/drivers/serial/dz.h index 86ef417382b..9674d4e4987 100644 --- a/drivers/serial/dz.h +++ b/drivers/serial/dz.h @@ -1,20 +1,22 @@ /* - * dz.h: Serial port driver for DECStations equiped + * dz.h: Serial port driver for DECstations equipped * with the DZ chipset. * * Copyright (C) 1998 Olivier A. D. Lebaillif * * Email: olivier.lebaillif@ifrsys.com * + * Copyright (C) 2004, 2006 Maciej W. Rozycki */ #ifndef DZ_SERIAL_H #define DZ_SERIAL_H /* - * Definitions for the Control and Status Received. + * Definitions for the Control and Status Register. */ #define DZ_TRDY 0x8000 /* Transmitter empty */ -#define DZ_TIE 0x4000 /* Transmitter Interrupt Enable */ +#define DZ_TIE 0x4000 /* Transmitter Interrupt Enbl */ +#define DZ_TLINE 0x0300 /* Transmitter Line Number */ #define DZ_RDONE 0x0080 /* Receiver data ready */ #define DZ_RIE 0x0040 /* Receive Interrupt Enable */ #define DZ_MSE 0x0020 /* Master Scan Enable */ @@ -22,32 +24,44 @@ #define DZ_MAINT 0x0008 /* Loop Back Mode */ /* - * Definitions for the Received buffer. + * Definitions for the Receiver Buffer Register. */ -#define DZ_RBUF_MASK 0x00FF /* Data Mask in the Receive Buffer */ -#define DZ_LINE_MASK 0x0300 /* Line Mask in the Receive Buffer */ +#define DZ_RBUF_MASK 0x00FF /* Data Mask */ +#define DZ_LINE_MASK 0x0300 /* Line Mask */ #define DZ_DVAL 0x8000 /* Valid Data indicator */ #define DZ_OERR 0x4000 /* Overrun error indicator */ #define DZ_FERR 0x2000 /* Frame error indicator */ #define DZ_PERR 0x1000 /* Parity error indicator */ -#define LINE(x) (x & DZ_LINE_MASK) >> 8 /* Get the line number from the input buffer */ -#define UCHAR(x) (unsigned char)(x & DZ_RBUF_MASK) +#define LINE(x) ((x & DZ_LINE_MASK) >> 8) /* Get the line number + from the input buffer */ +#define UCHAR(x) ((unsigned char)(x & DZ_RBUF_MASK)) /* - * Definitions for the Transmit Register. + * Definitions for the Transmit Control Register. */ #define DZ_LINE_KEYBOARD 0x0001 #define DZ_LINE_MOUSE 0x0002 #define DZ_LINE_MODEM 0x0004 #define DZ_LINE_PRINTER 0x0008 +#define DZ_MODEM_RTS 0x0800 /* RTS for the modem line (2) */ #define DZ_MODEM_DTR 0x0400 /* DTR for the modem line (2) */ +#define DZ_PRINT_RTS 0x0200 /* RTS for the prntr line (3) */ +#define DZ_PRINT_DTR 0x0100 /* DTR for the prntr line (3) */ +#define DZ_LNENB 0x000f /* Transmitter Line Enable */ /* * Definitions for the Modem Status Register. */ +#define DZ_MODEM_RI 0x0800 /* RI for the modem line (2) */ +#define DZ_MODEM_CD 0x0400 /* CD for the modem line (2) */ #define DZ_MODEM_DSR 0x0200 /* DSR for the modem line (2) */ +#define DZ_MODEM_CTS 0x0100 /* CTS for the modem line (2) */ +#define DZ_PRINT_RI 0x0008 /* RI for the printer line (3) */ +#define DZ_PRINT_CD 0x0004 /* CD for the printer line (3) */ +#define DZ_PRINT_DSR 0x0002 /* DSR for the prntr line (3) */ +#define DZ_PRINT_CTS 0x0001 /* CTS for the prntr line (3) */ /* * Definitions for the Transmit Data Register. -- cgit v1.2.3 From 7b92ff01c2cd21567c3342c1c77d5e4f1a2bd699 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 6 Dec 2006 20:39:05 -0800 Subject: [PATCH] spi: check platform_device_register_simple() error Check the return value of platform_device_register_simple(). Cc: David Brownell Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi_butterfly.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c index c2f601f8e4f..312987a0321 100644 --- a/drivers/spi/spi_butterfly.c +++ b/drivers/spi/spi_butterfly.c @@ -251,6 +251,8 @@ static void butterfly_attach(struct parport *p) * setting up a platform device like this is an ugly kluge... */ pdev = platform_device_register_simple("butterfly", -1, NULL, 0); + if (IS_ERR(pdev)) + return; master = spi_alloc_master(&pdev->dev, sizeof *pp); if (!master) { -- cgit v1.2.3 From 36499dc2bc8025bc931a0fb22bbe0ac0e46ffb14 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Wed, 6 Dec 2006 20:39:06 -0800 Subject: [PATCH] synclink_gt: fix init error handling Initialization synclink_gt forgot to unregister pci driver on error path. Signed-off-by: Akinobu Mita Cc: Paul Fulghum Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/synclink_gt.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 07f34d43dc7..83b5d37d6c5 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -3522,6 +3522,7 @@ static int __init slgt_init(void) if (!slgt_device_list) { printk("%s no devices found\n",driver_name); + pci_unregister_driver(&pci_driver); return -ENODEV; } -- cgit v1.2.3 From c6f24f99cd70a383699bdb34ddd9e6e51c83304c Mon Sep 17 00:00:00 2001 From: Riku Voipio Date: Wed, 6 Dec 2006 20:39:13 -0800 Subject: [PATCH] rtc-rs5c372: change register reading method According to the datasheet rs5c372 supports three different methods for reading register values. Change from method #1 to method #3, since method #3 is the only one that works on Thecus N2100 board with this RTC. Signed-off-by: Riku Voipio Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-rs5c372.c | 84 +++++++++++++++++++++++++---------------------- 1 file changed, 44 insertions(+), 40 deletions(-) (limited to 'drivers') diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index 9e1bb3a72f7..e2c7698fdba 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -13,7 +13,7 @@ #include #include -#define DRV_VERSION "0.2" +#define DRV_VERSION "0.3" /* Addresses to scan */ static unsigned short normal_i2c[] = { /* 0x32,*/ I2C_CLIENT_END }; @@ -39,6 +39,14 @@ static int rs5c372_attach(struct i2c_adapter *adapter); static int rs5c372_detach(struct i2c_client *client); static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind); +struct rs5c372 { + u8 reg_addr; + u8 regs[17]; + struct i2c_msg msg[1]; + struct i2c_client client; + struct rtc_device *rtc; +}; + static struct i2c_driver rs5c372_driver = { .driver = { .name = "rs5c372", @@ -49,18 +57,16 @@ static struct i2c_driver rs5c372_driver = { static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm) { - unsigned char buf[7] = { RS5C372_REG_BASE }; - /* this implements the 1st reading method, according - * to the datasheet. buf[0] is initialized with - * address ptr and transmission format register. + struct rs5c372 *rs5c372 = i2c_get_clientdata(client); + u8 *buf = &(rs5c372->regs[1]); + + /* this implements the 3rd reading method, according + * to the datasheet. rs5c372 defaults to internal + * address 0xF, so 0x0 is in regs[1] */ - struct i2c_msg msgs[] = { - { client->addr, 0, 1, buf }, - { client->addr, I2C_M_RD, 7, buf }, - }; - if ((i2c_transfer(client->adapter, msgs, 2)) != 2) { + if ((i2c_transfer(client->adapter, rs5c372->msg, 1)) != 1) { dev_err(&client->dev, "%s: read error\n", __FUNCTION__); return -EIO; } @@ -114,23 +120,14 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm) static int rs5c372_get_trim(struct i2c_client *client, int *osc, int *trim) { - unsigned char buf = RS5C372_REG_TRIM; - - struct i2c_msg msgs[] = { - { client->addr, 0, 1, &buf }, - { client->addr, I2C_M_RD, 1, &buf }, - }; - - if ((i2c_transfer(client->adapter, msgs, 2)) != 2) { - dev_err(&client->dev, "%s: read error\n", __FUNCTION__); - return -EIO; - } + struct rs5c372 *rs5c372 = i2c_get_clientdata(client); + u8 tmp = rs5c372->regs[RS5C372_REG_TRIM + 1]; if (osc) - *osc = (buf & RS5C372_TRIM_XSL) ? 32000 : 32768; + *osc = (tmp & RS5C372_TRIM_XSL) ? 32000 : 32768; if (trim) { - *trim = buf & RS5C372_TRIM_MASK; + *trim = tmp & RS5C372_TRIM_MASK; dev_dbg(&client->dev, "%s: raw trim=%x\n", __FUNCTION__, *trim); } @@ -201,7 +198,7 @@ static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind) { int err = 0; struct i2c_client *client; - struct rtc_device *rtc; + struct rs5c372 *rs5c372; dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); @@ -210,10 +207,11 @@ static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind) goto exit; } - if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { + if (!(rs5c372 = kzalloc(sizeof(struct rs5c372), GFP_KERNEL))) { err = -ENOMEM; goto exit; } + client = &rs5c372->client; /* I2C client */ client->addr = address; @@ -222,26 +220,33 @@ static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind) strlcpy(client->name, rs5c372_driver.driver.name, I2C_NAME_SIZE); + i2c_set_clientdata(client, rs5c372); + + rs5c372->msg[0].addr = address; + rs5c372->msg[0].flags = I2C_M_RD; + rs5c372->msg[0].len = sizeof(rs5c372->regs); + rs5c372->msg[0].buf = rs5c372->regs; + /* Inform the i2c layer */ if ((err = i2c_attach_client(client))) goto exit_kfree; dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); - rtc = rtc_device_register(rs5c372_driver.driver.name, &client->dev, - &rs5c372_rtc_ops, THIS_MODULE); + rs5c372->rtc = rtc_device_register(rs5c372_driver.driver.name, + &client->dev, &rs5c372_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - err = PTR_ERR(rtc); + if (IS_ERR(rs5c372->rtc)) { + err = PTR_ERR(rs5c372->rtc); goto exit_detach; } - i2c_set_clientdata(client, rtc); - err = device_create_file(&client->dev, &dev_attr_trim); - if (err) goto exit_devreg; + if (err) + goto exit_devreg; err = device_create_file(&client->dev, &dev_attr_osc); - if (err) goto exit_trim; + if (err) + goto exit_trim; return 0; @@ -249,13 +254,13 @@ exit_trim: device_remove_file(&client->dev, &dev_attr_trim); exit_devreg: - rtc_device_unregister(rtc); + rtc_device_unregister(rs5c372->rtc); exit_detach: i2c_detach_client(client); exit_kfree: - kfree(client); + kfree(rs5c372); exit: return err; @@ -264,16 +269,15 @@ exit: static int rs5c372_detach(struct i2c_client *client) { int err; - struct rtc_device *rtc = i2c_get_clientdata(client); + struct rs5c372 *rs5c372 = i2c_get_clientdata(client); - if (rtc) - rtc_device_unregister(rtc); + if (rs5c372->rtc) + rtc_device_unregister(rs5c372->rtc); if ((err = i2c_detach_client(client))) return err; - kfree(client); - + kfree(rs5c372); return 0; } -- cgit v1.2.3 From e9d55f9dbcf048a882478b437fa3f87becf8a770 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Wed, 6 Dec 2006 20:39:27 -0800 Subject: [PATCH] better CONFIG_W1_SLAVE_DS2433_CRC handling CONFIG_W1_SLAVE_DS2433_CRC can be used directly, there's no reason for the indirection of defining a different variable in the Makefile. Signed-off-by: Adrian Bunk Signed-off-by: Evgeniy Polyakov Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/w1/Makefile | 4 ---- drivers/w1/slaves/Makefile | 4 ---- drivers/w1/slaves/w1_ds2433.c | 30 +++++++++++++++--------------- 3 files changed, 15 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/w1/Makefile b/drivers/w1/Makefile index 93845a2c7c2..6bb0b54965f 100644 --- a/drivers/w1/Makefile +++ b/drivers/w1/Makefile @@ -2,10 +2,6 @@ # Makefile for the Dallas's 1-wire bus. # -ifeq ($(CONFIG_W1_DS2433_CRC), y) -EXTRA_CFLAGS += -DCONFIG_W1_F23_CRC -endif - obj-$(CONFIG_W1) += wire.o wire-objs := w1.o w1_int.o w1_family.o w1_netlink.o w1_io.o diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index 70e21e2d70c..725dcfdfddb 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -2,10 +2,6 @@ # Makefile for the Dallas's 1-wire slaves. # -ifeq ($(CONFIG_W1_SLAVE_DS2433_CRC), y) -EXTRA_CFLAGS += -DCONFIG_W1_F23_CRC -endif - obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c index 2ac238f1480..8ea17a53eed 100644 --- a/drivers/w1/slaves/w1_ds2433.c +++ b/drivers/w1/slaves/w1_ds2433.c @@ -13,7 +13,7 @@ #include #include #include -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC #include #define CRC16_INIT 0 @@ -62,7 +62,7 @@ static inline size_t w1_f23_fix_count(loff_t off, size_t count, size_t size) return count; } -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC static int w1_f23_refresh_block(struct w1_slave *sl, struct w1_f23_data *data, int block) { @@ -89,13 +89,13 @@ static int w1_f23_refresh_block(struct w1_slave *sl, struct w1_f23_data *data, return 0; } -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ static ssize_t w1_f23_read_bin(struct kobject *kobj, char *buf, loff_t off, size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC struct w1_f23_data *data = sl->family_data; int i, min_page, max_page; #else @@ -107,7 +107,7 @@ static ssize_t w1_f23_read_bin(struct kobject *kobj, char *buf, loff_t off, mutex_lock(&sl->master->mutex); -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC min_page = (off >> W1_PAGE_BITS); max_page = (off + count - 1) >> W1_PAGE_BITS; @@ -119,7 +119,7 @@ static ssize_t w1_f23_read_bin(struct kobject *kobj, char *buf, loff_t off, } memcpy(buf, &data->memory[off], count); -#else /* CONFIG_W1_F23_CRC */ +#else /* CONFIG_W1_SLAVE_DS2433_CRC */ /* read directly from the EEPROM */ if (w1_reset_select_slave(sl)) { @@ -133,7 +133,7 @@ static ssize_t w1_f23_read_bin(struct kobject *kobj, char *buf, loff_t off, w1_write_block(sl->master, wrbuf, 3); w1_read_block(sl->master, buf, count); -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ out_up: mutex_unlock(&sl->master->mutex); @@ -208,7 +208,7 @@ static ssize_t w1_f23_write_bin(struct kobject *kobj, char *buf, loff_t off, if ((count = w1_f23_fix_count(off, count, W1_EEPROM_SIZE)) == 0) return 0; -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC /* can only write full blocks in cached mode */ if ((off & W1_PAGE_MASK) || (count & W1_PAGE_MASK)) { dev_err(&sl->dev, "invalid offset/count off=%d cnt=%zd\n", @@ -223,7 +223,7 @@ static ssize_t w1_f23_write_bin(struct kobject *kobj, char *buf, loff_t off, return -EINVAL; } } -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ mutex_lock(&sl->master->mutex); @@ -262,7 +262,7 @@ static struct bin_attribute w1_f23_bin_attr = { static int w1_f23_add_slave(struct w1_slave *sl) { int err; -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC struct w1_f23_data *data; data = kmalloc(sizeof(struct w1_f23_data), GFP_KERNEL); @@ -271,24 +271,24 @@ static int w1_f23_add_slave(struct w1_slave *sl) memset(data, 0, sizeof(struct w1_f23_data)); sl->family_data = data; -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ err = sysfs_create_bin_file(&sl->dev.kobj, &w1_f23_bin_attr); -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC if (err) kfree(data); -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ return err; } static void w1_f23_remove_slave(struct w1_slave *sl) { -#ifdef CONFIG_W1_F23_CRC +#ifdef CONFIG_W1_SLAVE_DS2433_CRC kfree(sl->family_data); sl->family_data = NULL; -#endif /* CONFIG_W1_F23_CRC */ +#endif /* CONFIG_W1_SLAVE_DS2433_CRC */ sysfs_remove_bin_file(&sl->dev.kobj, &w1_f23_bin_attr); } -- cgit v1.2.3 From aaeab80bdbc0d10a98adc6fa76c29ca2f1816553 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 6 Dec 2006 20:39:33 -0800 Subject: [PATCH] ide_scsi: allow it to be used for non CD only Some people want to use ide_cd for CD-ROM but still dynamically load ide-scsi for things like tape drives. If you compile in the CD driver this works out but if you want them modular you need an option to ensure that whoever loads first the right things happen. This replaces the original draft patch which leaked a scsi host reference [akpm@osdl.org: add MODULE_PARM_DESC] Signed-off-by: Alan Cox Cc: Bartlomiej Zolnierkiewicz Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/scsi/ide-scsi.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers') diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 1427a41e844..8f6b5bf580f 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -110,6 +110,7 @@ typedef struct ide_scsi_obj { } idescsi_scsi_t; static DEFINE_MUTEX(idescsi_ref_mutex); +static int idescsi_nocd; /* Set by module param to skip cd */ #define ide_scsi_g(disk) \ container_of((disk)->private_data, struct ide_scsi_obj, driver) @@ -1127,6 +1128,9 @@ static int ide_scsi_probe(ide_drive_t *drive) warned = 1; } + if (idescsi_nocd && drive->media == ide_cdrom) + return -ENODEV; + if (!strstr("ide-scsi", drive->driver_req) || !drive->present || drive->media == ide_disk || @@ -1187,6 +1191,8 @@ static void __exit exit_idescsi_module(void) driver_unregister(&idescsi_driver.gen_driver); } +module_param(idescsi_nocd, int, 0600); +MODULE_PARM_DESC(idescsi_nocd, "Disable handling of CD-ROMs so they may be driven by ide-cd"); module_init(init_idescsi_module); module_exit(exit_idescsi_module); MODULE_LICENSE("GPL"); -- cgit v1.2.3 From f29219f17ae46cc182123bc7d2089b69869935ae Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Wed, 6 Dec 2006 20:39:35 -0800 Subject: [PATCH] make 8250_pnp serial driver work after suspend to ram Add suspend/resume methods to drivers/serial/8250_pnp.c. Tested on a P4/HT 16550A box, ttyS0 login survives across suspend to ram. [akpm@osdl.org: cleanups] Signed-off-by: Mike Galbraith Cc: "Rafael J. Wysocki" Cc: Pavel Machek Cc: Russell King Cc: Adam Belay Cc: Bjorn Helgaas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/8250_pnp.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c index 71d907c8288..d3d6b82706b 100644 --- a/drivers/serial/8250_pnp.c +++ b/drivers/serial/8250_pnp.c @@ -464,11 +464,38 @@ static void __devexit serial_pnp_remove(struct pnp_dev *dev) serial8250_unregister_port(line - 1); } +#ifdef CONFIG_PM +static int serial_pnp_suspend(struct pnp_dev *dev, pm_message_t state) +{ + long line = (long)pnp_get_drvdata(dev); + + if (!line) + return -ENODEV; + serial8250_suspend_port(line - 1); + return 0; +} + +static int serial_pnp_resume(struct pnp_dev *dev) +{ + long line = (long)pnp_get_drvdata(dev); + + if (!line) + return -ENODEV; + serial8250_resume_port(line - 1); + return 0; +} +#else +#define serial_pnp_suspend NULL +#define serial_pnp_resume NULL +#endif /* CONFIG_PM */ + static struct pnp_driver serial_pnp_driver = { .name = "serial", - .id_table = pnp_dev_table, .probe = serial_pnp_probe, .remove = __devexit_p(serial_pnp_remove), + .suspend = serial_pnp_suspend, + .resume = serial_pnp_resume, + .id_table = pnp_dev_table, }; static int __init serial8250_pnp_init(void) -- cgit v1.2.3 From f9231a0ca1afd05543d9f83539d6ecd5c018e8cf Mon Sep 17 00:00:00 2001 From: Torsten Ertbjerg Rasmussen Date: Wed, 6 Dec 2006 20:39:41 -0800 Subject: [PATCH] rtc: ds1743 support The real time clocks ds1742 and ds1743 differs only in the size of the nvram. This patch changes the existing ds1742 driver to support also ds1743. The main change is that the nvram size is determined from the resource attached to the device. The patch have benefitted from suggestions from Atsushi Nemeto, who is the author of the ds1742 driver. Signed-off-by: Torsten Rasmussen Rasmussen Acked-by: Alessandro Zummo Acked-by: Atsushi Nemoto Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/Kconfig | 4 +-- drivers/rtc/rtc-ds1742.c | 67 ++++++++++++++++++++++++++++-------------------- 2 files changed, 41 insertions(+), 30 deletions(-) (limited to 'drivers') diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 4d32bad79f1..2a63ab2b47f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -154,11 +154,11 @@ config RTC_DRV_DS1672 will be called rtc-ds1672. config RTC_DRV_DS1742 - tristate "Dallas DS1742" + tristate "Dallas DS1742/1743" depends on RTC_CLASS help If you say yes here you get support for the - Dallas DS1742 timekeeping chip. + Dallas DS1742/1743 timekeeping chip. This driver can also be built as a module. If so, the module will be called rtc-ds1742. diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 6273a3d240a..17633bfa848 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -6,6 +6,10 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. + * + * Copyright (C) 2006 Torsten Ertbjerg Rasmussen + * - nvram size determined from resource + * - this ds1742 driver now supports ds1743. */ #include @@ -17,20 +21,19 @@ #include #include -#define DRV_VERSION "0.2" +#define DRV_VERSION "0.3" -#define RTC_REG_SIZE 0x800 -#define RTC_OFFSET 0x7f8 +#define RTC_SIZE 8 -#define RTC_CONTROL (RTC_OFFSET + 0) -#define RTC_CENTURY (RTC_OFFSET + 0) -#define RTC_SECONDS (RTC_OFFSET + 1) -#define RTC_MINUTES (RTC_OFFSET + 2) -#define RTC_HOURS (RTC_OFFSET + 3) -#define RTC_DAY (RTC_OFFSET + 4) -#define RTC_DATE (RTC_OFFSET + 5) -#define RTC_MONTH (RTC_OFFSET + 6) -#define RTC_YEAR (RTC_OFFSET + 7) +#define RTC_CONTROL 0 +#define RTC_CENTURY 0 +#define RTC_SECONDS 1 +#define RTC_MINUTES 2 +#define RTC_HOURS 3 +#define RTC_DAY 4 +#define RTC_DATE 5 +#define RTC_MONTH 6 +#define RTC_YEAR 7 #define RTC_CENTURY_MASK 0x3f #define RTC_SECONDS_MASK 0x7f @@ -48,7 +51,10 @@ struct rtc_plat_data { struct rtc_device *rtc; - void __iomem *ioaddr; + void __iomem *ioaddr_nvram; + void __iomem *ioaddr_rtc; + size_t size_nvram; + size_t size; unsigned long baseaddr; unsigned long last_jiffies; }; @@ -57,7 +63,7 @@ static int ds1742_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - void __iomem *ioaddr = pdata->ioaddr; + void __iomem *ioaddr = pdata->ioaddr_rtc; u8 century; century = BIN2BCD((tm->tm_year + 1900) / 100); @@ -82,7 +88,7 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm) { struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - void __iomem *ioaddr = pdata->ioaddr; + void __iomem *ioaddr = pdata->ioaddr_rtc; unsigned int year, month, day, hour, minute, second, week; unsigned int century; @@ -127,10 +133,10 @@ static ssize_t ds1742_nvram_read(struct kobject *kobj, char *buf, struct platform_device *pdev = to_platform_device(container_of(kobj, struct device, kobj)); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - void __iomem *ioaddr = pdata->ioaddr; + void __iomem *ioaddr = pdata->ioaddr_nvram; ssize_t count; - for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) + for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--) *buf++ = readb(ioaddr + pos++); return count; } @@ -141,10 +147,10 @@ static ssize_t ds1742_nvram_write(struct kobject *kobj, char *buf, struct platform_device *pdev = to_platform_device(container_of(kobj, struct device, kobj)); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - void __iomem *ioaddr = pdata->ioaddr; + void __iomem *ioaddr = pdata->ioaddr_nvram; ssize_t count; - for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) + for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--) writeb(*buf++, ioaddr + pos++); return count; } @@ -155,7 +161,6 @@ static struct bin_attribute ds1742_nvram_attr = { .mode = S_IRUGO | S_IWUGO, .owner = THIS_MODULE, }, - .size = RTC_OFFSET, .read = ds1742_nvram_read, .write = ds1742_nvram_write, }; @@ -175,19 +180,23 @@ static int __init ds1742_rtc_probe(struct platform_device *pdev) pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; - if (!request_mem_region(res->start, RTC_REG_SIZE, pdev->name)) { + pdata->size = res->end - res->start + 1; + if (!request_mem_region(res->start, pdata->size, pdev->name)) { ret = -EBUSY; goto out; } pdata->baseaddr = res->start; - ioaddr = ioremap(pdata->baseaddr, RTC_REG_SIZE); + ioaddr = ioremap(pdata->baseaddr, pdata->size); if (!ioaddr) { ret = -ENOMEM; goto out; } - pdata->ioaddr = ioaddr; + pdata->ioaddr_nvram = ioaddr; + pdata->size_nvram = pdata->size - RTC_SIZE; + pdata->ioaddr_rtc = ioaddr + pdata->size_nvram; /* turn RTC on if it was not on */ + ioaddr = pdata->ioaddr_rtc; sec = readb(ioaddr + RTC_SECONDS); if (sec & RTC_STOP) { sec &= RTC_SECONDS_MASK; @@ -208,6 +217,8 @@ static int __init ds1742_rtc_probe(struct platform_device *pdev) pdata->rtc = rtc; pdata->last_jiffies = jiffies; platform_set_drvdata(pdev, pdata); + ds1742_nvram_attr.size = max(ds1742_nvram_attr.size, + pdata->size_nvram); ret = sysfs_create_bin_file(&pdev->dev.kobj, &ds1742_nvram_attr); if (ret) goto out; @@ -215,10 +226,10 @@ static int __init ds1742_rtc_probe(struct platform_device *pdev) out: if (pdata->rtc) rtc_device_unregister(pdata->rtc); - if (ioaddr) - iounmap(ioaddr); + if (pdata->ioaddr_nvram) + iounmap(pdata->ioaddr_nvram); if (pdata->baseaddr) - release_mem_region(pdata->baseaddr, RTC_REG_SIZE); + release_mem_region(pdata->baseaddr, pdata->size); kfree(pdata); return ret; } @@ -229,8 +240,8 @@ static int __devexit ds1742_rtc_remove(struct platform_device *pdev) sysfs_remove_bin_file(&pdev->dev.kobj, &ds1742_nvram_attr); rtc_device_unregister(pdata->rtc); - iounmap(pdata->ioaddr); - release_mem_region(pdata->baseaddr, RTC_REG_SIZE); + iounmap(pdata->ioaddr_nvram); + release_mem_region(pdata->baseaddr, pdata->size); kfree(pdata); return 0; } -- cgit v1.2.3 From 652d3a3ed7610bb09530127ca297b538fe7d245a Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 6 Dec 2006 20:39:43 -0800 Subject: [PATCH] char: ip2 remove broken macro This macro is broken and unused so why not remove it. Signed-off-by: Mariusz Kozlowski Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ip2/i2cmd.h | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ip2/i2cmd.h b/drivers/char/ip2/i2cmd.h index baa4e721b75..29277ec6b8e 100644 --- a/drivers/char/ip2/i2cmd.h +++ b/drivers/char/ip2/i2cmd.h @@ -367,11 +367,6 @@ static UCHAR cc02[]; #define CSE_NULL 3 // Replace with a null #define CSE_MARK 4 // Replace with a 3-character sequence (as Unix) -#define CMD_SET_REPLACEMENT(arg,ch) \ - (((cmdSyntaxPtr)(ct36a))->cmd[1] = (arg), \ - (((cmdSyntaxPtr)(ct36a))->cmd[2] = (ch), \ - (cmdSyntaxPtr)(ct36a)) - #define CSE_REPLACE 0x8 // Replace the errored character with the // replacement character defined here -- cgit v1.2.3 From 9468f687d95d1825fd2f2c2f74e1a59429ef25d3 Mon Sep 17 00:00:00 2001 From: Olaf Hering Date: Wed, 6 Dec 2006 20:39:55 -0800 Subject: [PATCH] winbond IDE depends on IDEDMA winbond ide depends on idedma. Move the option into the IDEDMA section. drivers/built-in.o: In function `.sl82c105_ide_dma_timeout': sl82c105.c:(.text+0x624d0): undefined reference to `.__ide_dma_timeout' drivers/built-in.o: In function `.sl82c105_ide_dma_off_quietly': sl82c105.c:(.text+0x6274c): undefined reference to `.__ide_dma_off_quietly' drivers/built-in.o: In function `.sl82c105_ide_dma_on': sl82c105.c:(.text+0x6284c): undefined reference to `.__ide_dma_on' drivers/built-in.o: In function `.sl82c105_check_drive': sl82c105.c:(.text+0x628ec): undefined reference to `.__ide_dma_bad_drive' sl82c105.c:(.text+0x62934): undefined reference to `.__ide_dma_good_drive' drivers/built-in.o: In function `.sl82c105_ide_dma_start': sl82c105.c:(.text+0x62c24): undefined reference to `.ide_dma_start' make[1]: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Olaf Hering Acked-by: "Bartlomiej Zolnierkiewicz" Cc: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/ide/Kconfig | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 0c68d0f0d8e..e23bc0d6215 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -389,14 +389,6 @@ config BLK_DEV_RZ1000 Linux. This may slow disk throughput by a few percent, but at least things will operate 100% reliably. -config BLK_DEV_SL82C105 - tristate "Winbond SL82c105 support" - depends on PCI && (PPC || ARM) && BLK_DEV_IDEPCI - help - If you have a Winbond SL82c105 IDE controller, say Y here to enable - special configuration for this chip. This is common on various CHRP - motherboards, but could be used elsewhere. If in doubt, say Y. - config BLK_DEV_IDEDMA_PCI bool "Generic PCI bus-master DMA support" depends on PCI && BLK_DEV_IDEPCI @@ -712,6 +704,14 @@ config BLK_DEV_SIS5513 Please read the comments at the top of . +config BLK_DEV_SL82C105 + tristate "Winbond SL82c105 support" + depends on (PPC || ARM) + help + If you have a Winbond SL82c105 IDE controller, say Y here to enable + special configuration for this chip. This is common on various CHRP + motherboards, but could be used elsewhere. If in doubt, say Y. + config BLK_DEV_SLC90E66 tristate "SLC90E66 chipset support" help -- cgit v1.2.3 From a4ed06ad83acc3b7dafc018bc0b27469e787e27d Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 6 Dec 2006 20:39:57 -0800 Subject: [PATCH] amba-pl010: clear error flags on rx error The pl010 primecell documentation specifies that an error indicated via RSR should be cleared by a write to ECR. We didn't do this, which was causing errors to be re-reported on every call to pl010_rx_chars(). Doing a write to ECR once we detect an error appears to prevent the ep93xx console UART driver from going into a mode where it reports "ttyAM0: X input overrun(s)" every couple of keystrokes. Signed-off-by: Lennert Buytenhek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/serial/amba-pl010.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 4213fabc62b..4d3626ef464 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -129,6 +129,8 @@ static void pl010_rx_chars(struct uart_port *port) */ rsr = readb(port->membase + UART01x_RSR) | UART_DUMMY_RSR_RX; if (unlikely(rsr & UART01x_RSR_ANY)) { + writel(0, port->membase + UART01x_ECR); + if (rsr & UART01x_RSR_BE) { rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); port->icount.brk++; -- cgit v1.2.3 From d0ce7d0346132808d7170b56a01fa582324a7f4d Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 6 Dec 2006 20:40:05 -0800 Subject: [PATCH] remove drivers/char/riscom8.c:baud_table[] Commit c7bce3097c0f9bbed76ee6fd03742f2624031a45 removed all usages of baud_table[] but not the array itself. Spotted by the GNU C compiler. Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/riscom8.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers') diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 722dd3e7418..0a77bfcd5b5 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -82,11 +82,6 @@ static struct riscom_board * IRQ_to_board[16]; static struct tty_driver *riscom_driver; -static unsigned long baud_table[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 76800, 0, -}; - static struct riscom_board rc_board[RC_NBOARD] = { { .base = RC_IOBASE1, -- cgit v1.2.3 From 65867beb0de4d055637476327b533e5ffbec2b97 Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Wed, 6 Dec 2006 20:40:07 -0800 Subject: [PATCH] Trivial cleanup in the PCI IDs for the CS5535 Rename a poorly worded PCI ID for the Geode GX and CS5535 companion chips. The graphics processor and host bridge actually live in the northbridge on the integrated processor, not in the companion chip. Signed-off-by: Jordan Crouse Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/geode/gxfb_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/video/geode/gxfb_core.c b/drivers/video/geode/gxfb_core.c index 0d3643fc629..a454dcb8e21 100644 --- a/drivers/video/geode/gxfb_core.c +++ b/drivers/video/geode/gxfb_core.c @@ -380,7 +380,7 @@ static void gxfb_remove(struct pci_dev *pdev) } static struct pci_device_id gxfb_id_table[] = { - { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_VIDEO, + { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_GX_VIDEO, PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0 }, { 0, } -- cgit v1.2.3 From af69c7f924b272927f9aea378f34f4548d3888d9 Mon Sep 17 00:00:00 2001 From: Paul Fulghum Date: Wed, 6 Dec 2006 20:40:24 -0800 Subject: [PATCH] generic HDLC synclink config mismatch fix Fix compile errors on mismatch between generic HDLC and synclink drivers. Notes: generic HDLC support for synclink drivers is *optional* so you can't just use depend on in Kconfig This solution is deemed the best after 7 months of review and criticism by many developers including AKPM. Read the threads on LKML before posting about this solution. Signed-off-by: Paul Fulghum Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/pcmcia/synclink_cs.c | 26 ++++++++++++++------------ drivers/char/synclink.c | 26 ++++++++++++++------------ drivers/char/synclink_gt.c | 26 ++++++++++++++------------ drivers/char/synclinkmp.c | 26 ++++++++++++++------------ 4 files changed, 56 insertions(+), 48 deletions(-) (limited to 'drivers') diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 1bd12296dca..74d21c1c104 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -75,8 +75,10 @@ #include #include -#ifdef CONFIG_HDLC_MODULE -#define CONFIG_HDLC 1 +#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINK_CS_MODULE)) +#define SYNCLINK_GENERIC_HDLC 1 +#else +#define SYNCLINK_GENERIC_HDLC 0 #endif #define GET_USER(error,value,addr) error = get_user(value,addr) @@ -235,7 +237,7 @@ typedef struct _mgslpc_info { int dosyncppp; spinlock_t netlock; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC struct net_device *netdev; #endif @@ -392,7 +394,7 @@ static void tx_timeout(unsigned long context); static int ioctl_common(MGSLPC_INFO *info, unsigned int cmd, unsigned long arg); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC #define dev_to_port(D) (dev_to_hdlc(D)->priv) static void hdlcdev_tx_done(MGSLPC_INFO *info); static void hdlcdev_rx(MGSLPC_INFO *info, char *buf, int size); @@ -1053,7 +1055,7 @@ static void tx_done(MGSLPC_INFO *info) info->drop_rts_on_tx_done = 0; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -1164,7 +1166,7 @@ static void dcd_change(MGSLPC_INFO *info) } else info->input_signal_events.dcd_down++; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) { if (info->serial_signals & SerialSignal_DCD) netif_carrier_on(info->netdev); @@ -2953,7 +2955,7 @@ static void mgslpc_add_device(MGSLPC_INFO *info) printk( "SyncLink PC Card %s:IO=%04X IRQ=%d\n", info->device_name, info->io_base, info->irq_level); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_init(info); #endif } @@ -2969,7 +2971,7 @@ static void mgslpc_remove_device(MGSLPC_INFO *remove_info) last->next_device = info->next_device; else mgslpc_device_list = info->next_device; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_exit(info); #endif release_resources(info); @@ -3901,7 +3903,7 @@ static int rx_get_frame(MGSLPC_INFO *info) return_frame = 1; } framesize = 0; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC { struct net_device_stats *stats = hdlc_stats(info->netdev); stats->rx_errors++; @@ -3935,7 +3937,7 @@ static int rx_get_frame(MGSLPC_INFO *info) ++framesize; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_rx(info, buf->data, framesize); else @@ -4091,7 +4093,7 @@ static void tx_timeout(unsigned long context) spin_unlock_irqrestore(&info->lock,flags); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -4099,7 +4101,7 @@ static void tx_timeout(unsigned long context) bh_transmit(info); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC /** * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.) diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 147c30da81e..645187b9141 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -101,8 +101,10 @@ #include #include -#ifdef CONFIG_HDLC_MODULE -#define CONFIG_HDLC 1 +#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINK_MODULE)) +#define SYNCLINK_GENERIC_HDLC 1 +#else +#define SYNCLINK_GENERIC_HDLC 0 #endif #define GET_USER(error,value,addr) error = get_user(value,addr) @@ -320,7 +322,7 @@ struct mgsl_struct { int dosyncppp; spinlock_t netlock; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC struct net_device *netdev; #endif }; @@ -728,7 +730,7 @@ static void usc_loopmode_send_done( struct mgsl_struct * info ); static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long arg); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC #define dev_to_port(D) (dev_to_hdlc(D)->priv) static void hdlcdev_tx_done(struct mgsl_struct *info); static void hdlcdev_rx(struct mgsl_struct *info, char *buf, int size); @@ -1277,7 +1279,7 @@ static void mgsl_isr_transmit_status( struct mgsl_struct *info ) info->drop_rts_on_tx_done = 0; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -1342,7 +1344,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info ) info->input_signal_events.dcd_up++; } else info->input_signal_events.dcd_down++; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) { if (status & MISCSTATUS_DCD) netif_carrier_on(info->netdev); @@ -4313,7 +4315,7 @@ static void mgsl_add_device( struct mgsl_struct *info ) info->max_frame_size ); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_init(info); #endif @@ -4471,7 +4473,7 @@ static void synclink_cleanup(void) info = mgsl_device_list; while(info) { -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_exit(info); #endif mgsl_release_resources(info); @@ -6645,7 +6647,7 @@ static int mgsl_get_rx_frame(struct mgsl_struct *info) return_frame = 1; } framesize = 0; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC { struct net_device_stats *stats = hdlc_stats(info->netdev); stats->rx_errors++; @@ -6721,7 +6723,7 @@ static int mgsl_get_rx_frame(struct mgsl_struct *info) *ptmp); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_rx(info,info->intermediate_rxbuffer,framesize); else @@ -7625,7 +7627,7 @@ static void mgsl_tx_timeout(unsigned long context) spin_unlock_irqrestore(&info->irq_spinlock,flags); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -7701,7 +7703,7 @@ static int usc_loopmode_active( struct mgsl_struct * info) return usc_InReg( info, CCSR ) & BIT7 ? 1 : 0 ; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC /** * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.) diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 83b5d37d6c5..e4730a7312b 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -83,8 +83,10 @@ #include "linux/synclink.h" -#ifdef CONFIG_HDLC_MODULE -#define CONFIG_HDLC 1 +#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINK_GT_MODULE)) +#define SYNCLINK_GENERIC_HDLC 1 +#else +#define SYNCLINK_GENERIC_HDLC 0 #endif /* @@ -171,7 +173,7 @@ static void set_break(struct tty_struct *tty, int break_state); /* * generic HDLC support and callbacks */ -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC #define dev_to_port(D) (dev_to_hdlc(D)->priv) static void hdlcdev_tx_done(struct slgt_info *info); static void hdlcdev_rx(struct slgt_info *info, char *buf, int size); @@ -359,7 +361,7 @@ struct slgt_info { int netcount; int dosyncppp; spinlock_t netlock; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC struct net_device *netdev; #endif @@ -1354,7 +1356,7 @@ static void set_break(struct tty_struct *tty, int break_state) spin_unlock_irqrestore(&info->lock,flags); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC /** * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.) @@ -2002,7 +2004,7 @@ static void dcd_change(struct slgt_info *info) } else { info->input_signal_events.dcd_down++; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) { if (info->signals & SerialSignal_DCD) netif_carrier_on(info->netdev); @@ -2180,7 +2182,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status) set_signals(info); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -3306,7 +3308,7 @@ static void add_device(struct slgt_info *info) devstr, info->device_name, info->phys_reg_addr, info->irq_level, info->max_frame_size); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_init(info); #endif } @@ -3488,7 +3490,7 @@ static void slgt_cleanup(void) /* release devices */ info = slgt_device_list; while(info) { -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_exit(info); #endif free_dma_bufs(info); @@ -4434,7 +4436,7 @@ check_again: framesize = 0; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (framesize == 0) { struct net_device_stats *stats = hdlc_stats(info->netdev); stats->rx_errors++; @@ -4477,7 +4479,7 @@ check_again: framesize++; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_rx(info,info->tmp_rbuf, framesize); else @@ -4780,7 +4782,7 @@ static void tx_timeout(unsigned long context) info->tx_count = 0; spin_unlock_irqrestore(&info->lock,flags); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 13a57245cf2..20a96ef250b 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -67,8 +67,10 @@ #include #include -#ifdef CONFIG_HDLC_MODULE -#define CONFIG_HDLC 1 +#if defined(CONFIG_HDLC) || (defined(CONFIG_HDLC_MODULE) && defined(CONFIG_SYNCLINKMP_MODULE)) +#define SYNCLINK_GENERIC_HDLC 1 +#else +#define SYNCLINK_GENERIC_HDLC 0 #endif #define GET_USER(error,value,addr) error = get_user(value,addr) @@ -280,7 +282,7 @@ typedef struct _synclinkmp_info { int dosyncppp; spinlock_t netlock; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC struct net_device *netdev; #endif @@ -536,7 +538,7 @@ static void throttle(struct tty_struct * tty); static void unthrottle(struct tty_struct * tty); static void set_break(struct tty_struct *tty, int break_state); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC #define dev_to_port(D) (dev_to_hdlc(D)->priv) static void hdlcdev_tx_done(SLMP_INFO *info); static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size); @@ -1607,7 +1609,7 @@ static void set_break(struct tty_struct *tty, int break_state) spin_unlock_irqrestore(&info->lock,flags); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC /** * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.) @@ -2339,7 +2341,7 @@ static void isr_txeom(SLMP_INFO * info, unsigned char status) set_signals(info); } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else @@ -2523,7 +2525,7 @@ void isr_io_pin( SLMP_INFO *info, u16 status ) info->input_signal_events.dcd_up++; } else info->input_signal_events.dcd_down++; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) { if (status & SerialSignal_DCD) netif_carrier_on(info->netdev); @@ -3783,7 +3785,7 @@ void add_device(SLMP_INFO *info) info->irq_level, info->max_frame_size ); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_init(info); #endif } @@ -3977,7 +3979,7 @@ static void synclinkmp_cleanup(void) /* release devices */ info = synclinkmp_device_list; while(info) { -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC hdlcdev_exit(info); #endif free_dma_bufs(info); @@ -4979,7 +4981,7 @@ CheckAgain: info->icount.rxcrc++; framesize = 0; -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC { struct net_device_stats *stats = hdlc_stats(info->netdev); stats->rx_errors++; @@ -5020,7 +5022,7 @@ CheckAgain: index = 0; } -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_rx(info,info->tmp_rx_buf,framesize); else @@ -5531,7 +5533,7 @@ void tx_timeout(unsigned long context) spin_unlock_irqrestore(&info->lock,flags); -#ifdef CONFIG_HDLC +#if SYNCLINK_GENERIC_HDLC if (info->netcount) hdlcdev_tx_done(info); else -- cgit v1.2.3 From 9828673d7d24a09fcc3931b3b84c539146979224 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 6 Dec 2006 20:40:29 -0800 Subject: [PATCH] paride: remove parport #ifdef's CONFIG_PARIDE depends on CONFIG_PARPORT_PC, so there's no reason for these #ifdef's. Signed-off-by: Adrian Bunk Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/paride/bpck6.c | 13 ------------- drivers/block/paride/paride.c | 33 --------------------------------- 2 files changed, 46 deletions(-) (limited to 'drivers') diff --git a/drivers/block/paride/bpck6.c b/drivers/block/paride/bpck6.c index da6b5d27bad..ad124525ac2 100644 --- a/drivers/block/paride/bpck6.c +++ b/drivers/block/paride/bpck6.c @@ -31,10 +31,7 @@ static int verbose; /* set this to 1 to see debugging messages and whatnot */ #include #include #include - -#if defined(CONFIG_PARPORT_MODULE)||defined(CONFIG_PARPORT) #include -#endif #include "ppc6lnx.c" #include "paride.h" @@ -139,11 +136,6 @@ static int bpck6_test_port ( PIA *pi ) /* check for 8-bit port */ PPCSTRUCT(pi)->ppc_id=pi->unit; PPCSTRUCT(pi)->lpt_addr=pi->port; -#ifdef CONFIG_PARPORT_PC_MODULE -#define CONFIG_PARPORT_PC -#endif - -#ifdef CONFIG_PARPORT_PC /* look at the parport device to see if what modes we can use */ if(((struct pardevice *)(pi->pardev))->port->modes & (PARPORT_MODE_EPP) @@ -161,11 +153,6 @@ static int bpck6_test_port ( PIA *pi ) /* check for 8-bit port */ { return 1; } -#else - /* there is no way of knowing what kind of port we have - default to the highest mode possible */ - return 5; -#endif } static int bpck6_probe_unit ( PIA *pi ) diff --git a/drivers/block/paride/paride.c b/drivers/block/paride/paride.c index e4c55e05012..48c50f11f63 100644 --- a/drivers/block/paride/paride.c +++ b/drivers/block/paride/paride.c @@ -29,14 +29,7 @@ #include #include #include /* TASK_* */ - -#ifdef CONFIG_PARPORT_MODULE -#define CONFIG_PARPORT -#endif - -#ifdef CONFIG_PARPORT #include -#endif #include "paride.h" @@ -76,8 +69,6 @@ void pi_read_block(PIA * pi, char *buf, int count) EXPORT_SYMBOL(pi_read_block); -#ifdef CONFIG_PARPORT - static void pi_wake_up(void *p) { PIA *pi = (PIA *) p; @@ -100,11 +91,8 @@ static void pi_wake_up(void *p) cont(); } -#endif - int pi_schedule_claimed(PIA * pi, void (*cont) (void)) { -#ifdef CONFIG_PARPORT unsigned long flags; spin_lock_irqsave(&pi_spinlock, flags); @@ -115,7 +103,6 @@ int pi_schedule_claimed(PIA * pi, void (*cont) (void)) } pi->claimed = 1; spin_unlock_irqrestore(&pi_spinlock, flags); -#endif return 1; } EXPORT_SYMBOL(pi_schedule_claimed); @@ -133,20 +120,16 @@ static void pi_claim(PIA * pi) if (pi->claimed) return; pi->claimed = 1; -#ifdef CONFIG_PARPORT if (pi->pardev) wait_event(pi->parq, !parport_claim((struct pardevice *) pi->pardev)); -#endif } static void pi_unclaim(PIA * pi) { pi->claimed = 0; -#ifdef CONFIG_PARPORT if (pi->pardev) parport_release((struct pardevice *) (pi->pardev)); -#endif } void pi_connect(PIA * pi) @@ -167,21 +150,15 @@ EXPORT_SYMBOL(pi_disconnect); static void pi_unregister_parport(PIA * pi) { -#ifdef CONFIG_PARPORT if (pi->pardev) { parport_unregister_device((struct pardevice *) (pi->pardev)); pi->pardev = NULL; } -#endif } void pi_release(PIA * pi) { pi_unregister_parport(pi); -#ifndef CONFIG_PARPORT - if (pi->reserved) - release_region(pi->port, pi->reserved); -#endif /* !CONFIG_PARPORT */ if (pi->proto->release_proto) pi->proto->release_proto(pi); module_put(pi->proto->owner); @@ -269,8 +246,6 @@ EXPORT_SYMBOL(paride_unregister); static int pi_register_parport(PIA * pi, int verbose) { -#ifdef CONFIG_PARPORT - struct parport *port; port = parport_find_base(pi->port); @@ -290,7 +265,6 @@ static int pi_register_parport(PIA * pi, int verbose) printk("%s: 0x%x is %s\n", pi->device, pi->port, port->name); pi->parname = (char *) port->name; -#endif return 1; } @@ -447,13 +421,6 @@ int pi_init(PIA * pi, int autoprobe, int port, int mode, printk("%s: Adapter not found\n", device); return 0; } -#ifndef CONFIG_PARPORT - if (!request_region(pi->port, pi->reserved, pi->device)) { - printk(KERN_WARNING "paride: Unable to request region 0x%x\n", - pi->port); - return 0; - } -#endif /* !CONFIG_PARPORT */ if (pi->parname) printk("%s: Sharing %s at 0x%x\n", pi->device, -- cgit v1.2.3 From 4d2d3cec1da18123b301270381eb748e5ba4f638 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 6 Dec 2006 20:40:31 -0800 Subject: [PATCH] remove drivers/block/paride/jumbo Let's remove this pre-historic paride building script. Signed-off-by: Adrian Bunk Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/paride/jumbo | 70 ---------------------------------------------- 1 file changed, 70 deletions(-) delete mode 100644 drivers/block/paride/jumbo (limited to 'drivers') diff --git a/drivers/block/paride/jumbo b/drivers/block/paride/jumbo deleted file mode 100644 index e793b9cb7e7..00000000000 --- a/drivers/block/paride/jumbo +++ /dev/null @@ -1,70 +0,0 @@ -#!/bin/sh -# -# This script can be used to build "jumbo" modules that contain the -# base PARIDE support, one protocol module and one high-level driver. -# -echo -n "High level driver [pcd] : " -read X -HLD=${X:-pcd} -# -echo -n "Protocol module [bpck] : " -read X -PROTO=${X:-bpck} -# -echo -n "Use MODVERSIONS [y] ? " -read X -UMODV=${X:-y} -# -echo -n "For SMP kernel [n] ? " -read X -USMP=${X:-n} -# -echo -n "Support PARPORT [n] ? " -read X -UPARP=${X:-n} -# -echo -# -case $USMP in - y* | Y* ) FSMP="-DCONFIG_SMP" - ;; - *) FSMP="" - ;; -esac -# -MODI="-include ../../../include/linux/modversions.h" -# -case $UMODV in - y* | Y* ) FMODV="-DMODVERSIONS $MODI" - ;; - *) FMODV="" - ;; -esac -# -case $UPARP in - y* | Y* ) FPARP="-DCONFIG_PARPORT" - ;; - *) FPARP="" - ;; -esac -# -TARG=$HLD-$PROTO.o -FPROTO=-DCONFIG_PARIDE_`echo "$PROTO" | tr [a-z] [A-Z]` -FK="-D__KERNEL__ -I ../../../include" -FLCH=-D_LINUX_CONFIG_H -# -echo cc $FK $FSMP $FLCH $FPARP $FPROTO $FMODV -Wall -O2 -o Jb.o -c paride.c -cc $FK $FSMP $FLCH $FPARP $FPROTO $FMODV -Wall -O2 -o Jb.o -c paride.c -# -echo cc $FK $FSMP $FMODV -Wall -O2 -o Jp.o -c $PROTO.c -cc $FK $FSMP $FMODV -Wall -O2 -o Jp.o -c $PROTO.c -# -echo cc $FK $FSMP $FMODV -DMODULE -DPARIDE_JUMBO -Wall -O2 -o Jd.o -c $HLD.c -cc $FK $FSMP $FMODV -DMODULE -DPARIDE_JUMBO -Wall -O2 -o Jd.o -c $HLD.c -# -echo ld -r -o $TARG Jp.o Jb.o Jd.o -ld -r -o $TARG Jp.o Jb.o Jd.o -# -# -rm Jp.o Jb.o Jd.o -# -- cgit v1.2.3 From 6b39bb6548d60b9a18826134b5ccd5c3cef85fe2 Mon Sep 17 00:00:00 2001 From: Paul Clements Date: Wed, 6 Dec 2006 20:40:53 -0800 Subject: [PATCH] nbd: show nbd client pid in sysfs Allow nbd to expose the nbd-client daemon's PID in /sys/block/nbd/pid. This is helpful for tracking connection status of a device and for determining which nbd devices are currently in use. Signed-off-by: Paul Clements Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/nbd.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers') diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9d1035e8d9d..7bf2cfbd628 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -355,14 +355,30 @@ harderror: return NULL; } +static ssize_t pid_show(struct gendisk *disk, char *page) +{ + return sprintf(page, "%ld\n", + (long) ((struct nbd_device *)disk->private_data)->pid); +} + +static struct disk_attribute pid_attr = { + .attr = { .name = "pid", .mode = S_IRUGO }, + .show = pid_show, +}; + static void nbd_do_it(struct nbd_device *lo) { struct request *req; BUG_ON(lo->magic != LO_MAGIC); + lo->pid = current->pid; + sysfs_create_file(&lo->disk->kobj, &pid_attr.attr); + while ((req = nbd_read_stat(lo)) != NULL) nbd_end_request(req); + + sysfs_remove_file(&lo->disk->kobj, &pid_attr.attr); return; } -- cgit v1.2.3 From f0b55da0d2701230e973866c9dfbf932d8b884cb Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:40:54 -0800 Subject: [PATCH] IPMI: Fix device model name Add the product id to the driver model platform device name, in addition to the device id. The IPMI spec does not require that individual BMCs in a system have unique devices IDs, but it does require that the product id/device id combination be unique. This also removes a redundant check and cleans up error handling when the sysfs registration fails. Signed-off-by: Corey Minyard Cc: Carol Hebert Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_msghandler.c | 147 ++++++++++++++++++++++-------------- 1 file changed, 91 insertions(+), 56 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index c47add8e47d..da13df46e98 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -1817,13 +1817,12 @@ static int __find_bmc_prod_dev_id(struct device *dev, void *data) struct bmc_device *bmc = dev_get_drvdata(dev); return (bmc->id.product_id == id->product_id - && bmc->id.product_id == id->product_id && bmc->id.device_id == id->device_id); } static struct bmc_device *ipmi_find_bmc_prod_dev_id( struct device_driver *drv, - unsigned char product_id, unsigned char device_id) + unsigned int product_id, unsigned char device_id) { struct prod_dev_id id = { .product_id = product_id, @@ -1940,6 +1939,9 @@ static ssize_t guid_show(struct device *dev, struct device_attribute *attr, static void remove_files(struct bmc_device *bmc) { + if (!bmc->dev) + return; + device_remove_file(&bmc->dev->dev, &bmc->device_id_attr); device_remove_file(&bmc->dev->dev, @@ -1973,7 +1975,8 @@ cleanup_bmc_device(struct kref *ref) bmc = container_of(ref, struct bmc_device, refcount); remove_files(bmc); - platform_device_unregister(bmc->dev); + if (bmc->dev) + platform_device_unregister(bmc->dev); kfree(bmc); } @@ -1990,6 +1993,7 @@ static void ipmi_bmc_unregister(ipmi_smi_t intf) mutex_lock(&ipmidriver_mutex); kref_put(&bmc->refcount, cleanup_bmc_device); + intf->bmc = NULL; mutex_unlock(&ipmidriver_mutex); } @@ -1997,6 +2001,56 @@ static int create_files(struct bmc_device *bmc) { int err; + bmc->device_id_attr.attr.name = "device_id"; + bmc->device_id_attr.attr.owner = THIS_MODULE; + bmc->device_id_attr.attr.mode = S_IRUGO; + bmc->device_id_attr.show = device_id_show; + + bmc->provides_dev_sdrs_attr.attr.name = "provides_device_sdrs"; + bmc->provides_dev_sdrs_attr.attr.owner = THIS_MODULE; + bmc->provides_dev_sdrs_attr.attr.mode = S_IRUGO; + bmc->provides_dev_sdrs_attr.show = provides_dev_sdrs_show; + + bmc->revision_attr.attr.name = "revision"; + bmc->revision_attr.attr.owner = THIS_MODULE; + bmc->revision_attr.attr.mode = S_IRUGO; + bmc->revision_attr.show = revision_show; + + bmc->firmware_rev_attr.attr.name = "firmware_revision"; + bmc->firmware_rev_attr.attr.owner = THIS_MODULE; + bmc->firmware_rev_attr.attr.mode = S_IRUGO; + bmc->firmware_rev_attr.show = firmware_rev_show; + + bmc->version_attr.attr.name = "ipmi_version"; + bmc->version_attr.attr.owner = THIS_MODULE; + bmc->version_attr.attr.mode = S_IRUGO; + bmc->version_attr.show = ipmi_version_show; + + bmc->add_dev_support_attr.attr.name = "additional_device_support"; + bmc->add_dev_support_attr.attr.owner = THIS_MODULE; + bmc->add_dev_support_attr.attr.mode = S_IRUGO; + bmc->add_dev_support_attr.show = add_dev_support_show; + + bmc->manufacturer_id_attr.attr.name = "manufacturer_id"; + bmc->manufacturer_id_attr.attr.owner = THIS_MODULE; + bmc->manufacturer_id_attr.attr.mode = S_IRUGO; + bmc->manufacturer_id_attr.show = manufacturer_id_show; + + bmc->product_id_attr.attr.name = "product_id"; + bmc->product_id_attr.attr.owner = THIS_MODULE; + bmc->product_id_attr.attr.mode = S_IRUGO; + bmc->product_id_attr.show = product_id_show; + + bmc->guid_attr.attr.name = "guid"; + bmc->guid_attr.attr.owner = THIS_MODULE; + bmc->guid_attr.attr.mode = S_IRUGO; + bmc->guid_attr.show = guid_show; + + bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision"; + bmc->aux_firmware_rev_attr.attr.owner = THIS_MODULE; + bmc->aux_firmware_rev_attr.attr.mode = S_IRUGO; + bmc->aux_firmware_rev_attr.show = aux_firmware_rev_show; + err = device_create_file(&bmc->dev->dev, &bmc->device_id_attr); if (err) goto out; @@ -2106,9 +2160,39 @@ static int ipmi_bmc_register(ipmi_smi_t intf) bmc->id.product_id, bmc->id.device_id); } else { - bmc->dev = platform_device_alloc("ipmi_bmc", - bmc->id.device_id); + char name[14]; + unsigned char orig_dev_id = bmc->id.device_id; + int warn_printed = 0; + + snprintf(name, sizeof(name), + "ipmi_bmc.%4.4x", bmc->id.product_id); + + while (ipmi_find_bmc_prod_dev_id(&ipmidriver, + bmc->id.product_id, + bmc->id.device_id)) + { + if (!warn_printed) { + printk(KERN_WARNING PFX + "This machine has two different BMCs" + " with the same product id and device" + " id. This is an error in the" + " firmware, but incrementing the" + " device id to work around the problem." + " Prod ID = 0x%x, Dev ID = 0x%x\n", + bmc->id.product_id, bmc->id.device_id); + warn_printed = 1; + } + bmc->id.device_id++; /* Wraps at 255 */ + if (bmc->id.device_id == orig_dev_id) { + printk(KERN_ERR PFX + "Out of device ids!\n"); + break; + } + } + + bmc->dev = platform_device_alloc(name, bmc->id.device_id); if (!bmc->dev) { + mutex_unlock(&ipmidriver_mutex); printk(KERN_ERR "ipmi_msghandler:" " Unable to allocate platform device\n"); @@ -2121,6 +2205,8 @@ static int ipmi_bmc_register(ipmi_smi_t intf) rv = platform_device_add(bmc->dev); mutex_unlock(&ipmidriver_mutex); if (rv) { + platform_device_put(bmc->dev); + bmc->dev = NULL; printk(KERN_ERR "ipmi_msghandler:" " Unable to register bmc device: %d\n", @@ -2130,57 +2216,6 @@ static int ipmi_bmc_register(ipmi_smi_t intf) return rv; } - bmc->device_id_attr.attr.name = "device_id"; - bmc->device_id_attr.attr.owner = THIS_MODULE; - bmc->device_id_attr.attr.mode = S_IRUGO; - bmc->device_id_attr.show = device_id_show; - - bmc->provides_dev_sdrs_attr.attr.name = "provides_device_sdrs"; - bmc->provides_dev_sdrs_attr.attr.owner = THIS_MODULE; - bmc->provides_dev_sdrs_attr.attr.mode = S_IRUGO; - bmc->provides_dev_sdrs_attr.show = provides_dev_sdrs_show; - - bmc->revision_attr.attr.name = "revision"; - bmc->revision_attr.attr.owner = THIS_MODULE; - bmc->revision_attr.attr.mode = S_IRUGO; - bmc->revision_attr.show = revision_show; - - bmc->firmware_rev_attr.attr.name = "firmware_revision"; - bmc->firmware_rev_attr.attr.owner = THIS_MODULE; - bmc->firmware_rev_attr.attr.mode = S_IRUGO; - bmc->firmware_rev_attr.show = firmware_rev_show; - - bmc->version_attr.attr.name = "ipmi_version"; - bmc->version_attr.attr.owner = THIS_MODULE; - bmc->version_attr.attr.mode = S_IRUGO; - bmc->version_attr.show = ipmi_version_show; - - bmc->add_dev_support_attr.attr.name - = "additional_device_support"; - bmc->add_dev_support_attr.attr.owner = THIS_MODULE; - bmc->add_dev_support_attr.attr.mode = S_IRUGO; - bmc->add_dev_support_attr.show = add_dev_support_show; - - bmc->manufacturer_id_attr.attr.name = "manufacturer_id"; - bmc->manufacturer_id_attr.attr.owner = THIS_MODULE; - bmc->manufacturer_id_attr.attr.mode = S_IRUGO; - bmc->manufacturer_id_attr.show = manufacturer_id_show; - - bmc->product_id_attr.attr.name = "product_id"; - bmc->product_id_attr.attr.owner = THIS_MODULE; - bmc->product_id_attr.attr.mode = S_IRUGO; - bmc->product_id_attr.show = product_id_show; - - bmc->guid_attr.attr.name = "guid"; - bmc->guid_attr.attr.owner = THIS_MODULE; - bmc->guid_attr.attr.mode = S_IRUGO; - bmc->guid_attr.show = guid_show; - - bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision"; - bmc->aux_firmware_rev_attr.attr.owner = THIS_MODULE; - bmc->aux_firmware_rev_attr.attr.mode = S_IRUGO; - bmc->aux_firmware_rev_attr.show = aux_firmware_rev_show; - rv = create_files(bmc); if (rv) { mutex_lock(&ipmidriver_mutex); -- cgit v1.2.3 From bca0324d09e413ee089f44cc71263ae1fc582b35 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:40:57 -0800 Subject: [PATCH] IPMI: remove interface number limits Remove the arbitrary limit of number of IPMI interfaces. This has been tested with 8 interfaces. Signed-off-by: Corey Minyard Cc: Carol Hebert Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_msghandler.c | 210 +++++++++++++++++------------------- 1 file changed, 97 insertions(+), 113 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index da13df46e98..761ed269920 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -193,6 +193,9 @@ struct ipmi_smi struct kref refcount; + /* Used for a list of interfaces. */ + struct list_head link; + /* The list of upper layers that are using me. seq_lock * protects this. */ struct list_head users; @@ -338,13 +341,6 @@ struct ipmi_smi }; #define to_si_intf_from_dev(device) container_of(device, struct ipmi_smi, dev) -/* Used to mark an interface entry that cannot be used but is not a - * free entry, either, primarily used at creation and deletion time so - * a slot doesn't get reused too quickly. */ -#define IPMI_INVALID_INTERFACE_ENTRY ((ipmi_smi_t) ((long) 1)) -#define IPMI_INVALID_INTERFACE(i) (((i) == NULL) \ - || (i == IPMI_INVALID_INTERFACE_ENTRY)) - /** * The driver model view of the IPMI messaging driver. */ @@ -354,11 +350,8 @@ static struct device_driver ipmidriver = { }; static DEFINE_MUTEX(ipmidriver_mutex); -#define MAX_IPMI_INTERFACES 4 -static ipmi_smi_t ipmi_interfaces[MAX_IPMI_INTERFACES]; - -/* Directly protects the ipmi_interfaces data structure. */ -static DEFINE_SPINLOCK(interfaces_lock); +static struct list_head ipmi_interfaces = LIST_HEAD_INIT(ipmi_interfaces); +static DEFINE_MUTEX(ipmi_interfaces_mutex); /* List of watchers that want to know when smi's are added and deleted. */ @@ -423,25 +416,50 @@ static void intf_free(struct kref *ref) kfree(intf); } +struct watcher_entry { + struct list_head link; + int intf_num; +}; + int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher) { - int i; - unsigned long flags; + ipmi_smi_t intf; + struct list_head to_deliver = LIST_HEAD_INIT(to_deliver); + struct watcher_entry *e, *e2; + + mutex_lock(&ipmi_interfaces_mutex); + + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + if (intf->intf_num == -1) + continue; + e = kmalloc(sizeof(*e), GFP_KERNEL); + if (!e) + goto out_err; + e->intf_num = intf->intf_num; + list_add_tail(&e->link, &to_deliver); + } down_write(&smi_watchers_sem); list_add(&(watcher->link), &smi_watchers); up_write(&smi_watchers_sem); - spin_lock_irqsave(&interfaces_lock, flags); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - ipmi_smi_t intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) - continue; - spin_unlock_irqrestore(&interfaces_lock, flags); - watcher->new_smi(i, intf->si_dev); - spin_lock_irqsave(&interfaces_lock, flags); + + mutex_unlock(&ipmi_interfaces_mutex); + + list_for_each_entry_safe(e, e2, &to_deliver, link) { + list_del(&e->link); + watcher->new_smi(e->intf_num, intf->si_dev); + kfree(e); } - spin_unlock_irqrestore(&interfaces_lock, flags); + + return 0; + + out_err: + list_for_each_entry_safe(e, e2, &to_deliver, link) { + list_del(&e->link); + kfree(e); + } + return -ENOMEM; } int ipmi_smi_watcher_unregister(struct ipmi_smi_watcher *watcher) @@ -776,17 +794,19 @@ int ipmi_create_user(unsigned int if_num, if (!new_user) return -ENOMEM; - spin_lock_irqsave(&interfaces_lock, flags); - intf = ipmi_interfaces[if_num]; - if ((if_num >= MAX_IPMI_INTERFACES) || IPMI_INVALID_INTERFACE(intf)) { - spin_unlock_irqrestore(&interfaces_lock, flags); - rv = -EINVAL; - goto out_kfree; + rcu_read_lock(); + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + if (intf->intf_num == if_num) + goto found; } + rcu_read_unlock(); + rv = -EINVAL; + goto out_kfree; + found: /* Note that each existing user holds a refcount to the interface. */ kref_get(&intf->refcount); - spin_unlock_irqrestore(&interfaces_lock, flags); + rcu_read_unlock(); kref_init(&new_user->refcount); new_user->handler = handler; @@ -2449,9 +2469,10 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, int i, j; int rv; ipmi_smi_t intf; - unsigned long flags; + ipmi_smi_t tintf; int version_major; int version_minor; + struct list_head *link; version_major = ipmi_version_major(device_id); version_minor = ipmi_version_minor(device_id); @@ -2477,7 +2498,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, kfree(intf); return -ENOMEM; } - intf->intf_num = -1; + intf->intf_num = -1; /* Mark it invalid for now. */ kref_init(&intf->refcount); intf->bmc->id = *device_id; intf->si_dev = si_dev; @@ -2511,20 +2532,22 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, spin_lock_init(&intf->counter_lock); intf->proc_dir = NULL; - rv = -ENOMEM; - spin_lock_irqsave(&interfaces_lock, flags); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - if (ipmi_interfaces[i] == NULL) { - intf->intf_num = i; - /* Reserve the entry till we are done. */ - ipmi_interfaces[i] = IPMI_INVALID_INTERFACE_ENTRY; - rv = 0; + mutex_lock(&ipmi_interfaces_mutex); + /* Look for a hole in the numbers. */ + i = 0; + link = &ipmi_interfaces; + list_for_each_entry_rcu(tintf, &ipmi_interfaces, link) { + if (tintf->intf_num != i) { + link = &tintf->link; break; } + i++; } - spin_unlock_irqrestore(&interfaces_lock, flags); - if (rv) - goto out; + /* Add the new interface in numeric order. */ + if (i == 0) + list_add_rcu(&intf->link, &ipmi_interfaces); + else + list_add_tail_rcu(&intf->link, link); rv = handlers->start_processing(send_info, intf); if (rv) @@ -2562,16 +2585,14 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv) { if (intf->proc_dir) remove_proc_entries(intf); + list_del_rcu(&intf->link); + mutex_unlock(&ipmi_interfaces_mutex); + synchronize_rcu(); kref_put(&intf->refcount, intf_free); - if (i < MAX_IPMI_INTERFACES) { - spin_lock_irqsave(&interfaces_lock, flags); - ipmi_interfaces[i] = NULL; - spin_unlock_irqrestore(&interfaces_lock, flags); - } } else { - spin_lock_irqsave(&interfaces_lock, flags); - ipmi_interfaces[i] = intf; - spin_unlock_irqrestore(&interfaces_lock, flags); + /* After this point the interface is legal to use. */ + intf->intf_num = i; + mutex_unlock(&ipmi_interfaces_mutex); call_smi_watchers(i, intf->si_dev); } @@ -2580,26 +2601,14 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, int ipmi_unregister_smi(ipmi_smi_t intf) { - int i; struct ipmi_smi_watcher *w; - unsigned long flags; ipmi_bmc_unregister(intf); - spin_lock_irqsave(&interfaces_lock, flags); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - if (ipmi_interfaces[i] == intf) { - /* Set the interface number reserved until we - * are done. */ - ipmi_interfaces[i] = IPMI_INVALID_INTERFACE_ENTRY; - intf->intf_num = -1; - break; - } - } - spin_unlock_irqrestore(&interfaces_lock,flags); - - if (i == MAX_IPMI_INTERFACES) - return -ENODEV; + mutex_lock(&ipmi_interfaces_mutex); + list_del_rcu(&intf->link); + mutex_unlock(&ipmi_interfaces_mutex); + synchronize_rcu(); remove_proc_entries(intf); @@ -2607,14 +2616,9 @@ int ipmi_unregister_smi(ipmi_smi_t intf) an interface is gone. */ down_read(&smi_watchers_sem); list_for_each_entry(w, &smi_watchers, link) - w->smi_gone(i); + w->smi_gone(intf->intf_num); up_read(&smi_watchers_sem); - /* Allow the entry to be reused now. */ - spin_lock_irqsave(&interfaces_lock, flags); - ipmi_interfaces[i] = NULL; - spin_unlock_irqrestore(&interfaces_lock,flags); - kref_put(&intf->refcount, intf_free); return 0; } @@ -3446,18 +3450,12 @@ static void ipmi_timeout_handler(long timeout_period) struct ipmi_recv_msg *msg, *msg2; struct ipmi_smi_msg *smi_msg, *smi_msg2; unsigned long flags; - int i, j; + int i; INIT_LIST_HEAD(&timeouts); - spin_lock(&interfaces_lock); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) - continue; - kref_get(&intf->refcount); - spin_unlock(&interfaces_lock); - + rcu_read_lock(); + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { /* See if any waiting messages need to be processed. */ spin_lock_irqsave(&intf->waiting_msgs_lock, flags); list_for_each_entry_safe(smi_msg, smi_msg2, @@ -3477,35 +3475,26 @@ static void ipmi_timeout_handler(long timeout_period) have timed out, putting them in the timeouts list. */ spin_lock_irqsave(&intf->seq_lock, flags); - for (j = 0; j < IPMI_IPMB_NUM_SEQ; j++) - check_msg_timeout(intf, &(intf->seq_table[j]), - &timeouts, timeout_period, j, + for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) + check_msg_timeout(intf, &(intf->seq_table[i]), + &timeouts, timeout_period, i, &flags); spin_unlock_irqrestore(&intf->seq_lock, flags); list_for_each_entry_safe(msg, msg2, &timeouts, link) handle_msg_timeout(msg); - - kref_put(&intf->refcount, intf_free); - spin_lock(&interfaces_lock); } - spin_unlock(&interfaces_lock); + rcu_read_unlock(); } static void ipmi_request_event(void) { ipmi_smi_t intf; - int i; - - spin_lock(&interfaces_lock); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) - continue; + rcu_read_lock(); + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) intf->handlers->request_events(intf->send_info); - } - spin_unlock(&interfaces_lock); + rcu_read_unlock(); } static struct timer_list ipmi_timer; @@ -3634,7 +3623,6 @@ static void send_panic_events(char *str) struct kernel_ipmi_msg msg; ipmi_smi_t intf; unsigned char data[16]; - int i; struct ipmi_system_interface_addr *si; struct ipmi_addr addr; struct ipmi_smi_msg smi_msg; @@ -3668,9 +3656,9 @@ static void send_panic_events(char *str) recv_msg.done = dummy_recv_done_handler; /* For every registered interface, send the event. */ - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + if (intf->intf_num == -1) + /* Interface was not ready yet. */ continue; /* Send the event announcing the panic. */ @@ -3695,13 +3683,14 @@ static void send_panic_events(char *str) if (!str) return; - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { + /* For every registered interface, send the event. */ + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { char *p = str; struct ipmi_ipmb_addr *ipmb; int j; - intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) + if (intf->intf_num == -1) + /* Interface was not ready yet. */ continue; /* First job here is to figure out where to send the @@ -3827,7 +3816,6 @@ static int panic_event(struct notifier_block *this, unsigned long event, void *ptr) { - int i; ipmi_smi_t intf; if (has_panicked) @@ -3835,9 +3823,9 @@ static int panic_event(struct notifier_block *this, has_panicked = 1; /* For every registered interface, set it to run to completion. */ - for (i = 0; i < MAX_IPMI_INTERFACES; i++) { - intf = ipmi_interfaces[i]; - if (IPMI_INVALID_INTERFACE(intf)) + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + if (intf->intf_num == -1) + /* Interface was not ready yet. */ continue; intf->handlers->set_run_to_completion(intf->send_info, 1); @@ -3858,7 +3846,6 @@ static struct notifier_block panic_block = { static int ipmi_init_msghandler(void) { - int i; int rv; if (initialized) @@ -3873,9 +3860,6 @@ static int ipmi_init_msghandler(void) printk(KERN_INFO "ipmi message handler version " IPMI_DRIVER_VERSION "\n"); - for (i = 0; i < MAX_IPMI_INTERFACES; i++) - ipmi_interfaces[i] = NULL; - #ifdef CONFIG_PROC_FS proc_ipmi_root = proc_mkdir("ipmi", NULL); if (!proc_ipmi_root) { -- cgit v1.2.3 From 759643b874907e76ae81e34df62f41ab6683f5c2 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:40:59 -0800 Subject: [PATCH] IPMI: pass sysfs name from lower level driver Pass in the sysfs name from the lower-level IPMI driver, as the coming IPMI serial driver will need that to link properly from the serial device sysfs directory. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_msghandler.c | 34 ++++++++++++++++++++++++++++------ drivers/char/ipmi/ipmi_si_intf.c | 1 + 2 files changed, 29 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 761ed269920..6a77b264eb2 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -205,6 +205,7 @@ struct ipmi_smi struct bmc_device *bmc; char *my_dev_name; + char *sysfs_name; /* This is the lower-layer's sender routine. */ struct ipmi_smi_handlers *handlers; @@ -2004,7 +2005,11 @@ static void ipmi_bmc_unregister(ipmi_smi_t intf) { struct bmc_device *bmc = intf->bmc; - sysfs_remove_link(&intf->si_dev->kobj, "bmc"); + if (intf->sysfs_name) { + sysfs_remove_link(&intf->si_dev->kobj, intf->sysfs_name); + kfree(intf->sysfs_name); + intf->sysfs_name = NULL; + } if (intf->my_dev_name) { sysfs_remove_link(&bmc->dev->dev.kobj, intf->my_dev_name); kfree(intf->my_dev_name); @@ -2140,7 +2145,8 @@ out: return err; } -static int ipmi_bmc_register(ipmi_smi_t intf) +static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum, + const char *sysfs_name) { int rv; struct bmc_device *bmc = intf->bmc; @@ -2257,29 +2263,44 @@ static int ipmi_bmc_register(ipmi_smi_t intf) * create symlink from system interface device to bmc device * and back. */ + intf->sysfs_name = kstrdup(sysfs_name, GFP_KERNEL); + if (!intf->sysfs_name) { + rv = -ENOMEM; + printk(KERN_ERR + "ipmi_msghandler: allocate link to BMC: %d\n", + rv); + goto out_err; + } + rv = sysfs_create_link(&intf->si_dev->kobj, - &bmc->dev->dev.kobj, "bmc"); + &bmc->dev->dev.kobj, intf->sysfs_name); if (rv) { + kfree(intf->sysfs_name); + intf->sysfs_name = NULL; printk(KERN_ERR "ipmi_msghandler: Unable to create bmc symlink: %d\n", rv); goto out_err; } - size = snprintf(dummy, 0, "ipmi%d", intf->intf_num); + size = snprintf(dummy, 0, "ipmi%d", ifnum); intf->my_dev_name = kmalloc(size+1, GFP_KERNEL); if (!intf->my_dev_name) { + kfree(intf->sysfs_name); + intf->sysfs_name = NULL; rv = -ENOMEM; printk(KERN_ERR "ipmi_msghandler: allocate link from BMC: %d\n", rv); goto out_err; } - snprintf(intf->my_dev_name, size+1, "ipmi%d", intf->intf_num); + snprintf(intf->my_dev_name, size+1, "ipmi%d", ifnum); rv = sysfs_create_link(&bmc->dev->dev.kobj, &intf->si_dev->kobj, intf->my_dev_name); if (rv) { + kfree(intf->sysfs_name); + intf->sysfs_name = NULL; kfree(intf->my_dev_name); intf->my_dev_name = NULL; printk(KERN_ERR @@ -2464,6 +2485,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, struct ipmi_device_id *device_id, struct device *si_dev, + const char *sysfs_name, unsigned char slave_addr) { int i, j; @@ -2579,7 +2601,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv == 0) rv = add_proc_entries(intf, i); - rv = ipmi_bmc_register(intf); + rv = ipmi_bmc_register(intf, i, sysfs_name); out: if (rv) { diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index bb1fac104fd..89cdb928061 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2362,6 +2362,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi, &new_smi->device_id, new_smi->dev, + "bmc", new_smi->slave_addr); if (rv) { printk(KERN_ERR -- cgit v1.2.3 From b2c03941b50944a268ee4d5823872f220809a3ba Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:00 -0800 Subject: [PATCH] IPMI: Allow hot system interface remove This modifies the IPMI driver so that a lower-level interface can be dynamically removed while in use so it can support hot-removal of hardware. It also adds the ability to specify and dynamically change the IPMI interface the watchdog timer and the poweroff code use. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_msghandler.c | 246 +++++++++++++++++++++++++----------- drivers/char/ipmi/ipmi_poweroff.c | 60 +++++++-- drivers/char/ipmi/ipmi_watchdog.c | 121 +++++++++++------- 3 files changed, 296 insertions(+), 131 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 6a77b264eb2..03f32611831 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -200,6 +200,10 @@ struct ipmi_smi * protects this. */ struct list_head users; + /* Information to supply to users. */ + unsigned char ipmi_version_major; + unsigned char ipmi_version_minor; + /* Used for wake ups at startup. */ wait_queue_head_t waitq; @@ -207,7 +211,10 @@ struct ipmi_smi char *my_dev_name; char *sysfs_name; - /* This is the lower-layer's sender routine. */ + /* This is the lower-layer's sender routine. Note that you + * must either be holding the ipmi_interfaces_mutex or be in + * an umpreemptible region to use this. You must fetch the + * value into a local variable and make sure it is not NULL. */ struct ipmi_smi_handlers *handlers; void *send_info; @@ -246,6 +253,7 @@ struct ipmi_smi spinlock_t events_lock; /* For dealing with event stuff. */ struct list_head waiting_events; unsigned int waiting_events_count; /* How many events in queue? */ + int delivering_events; /* The event receiver for my BMC, only really used at panic shutdown as a place to store this. */ @@ -357,7 +365,7 @@ static DEFINE_MUTEX(ipmi_interfaces_mutex); /* List of watchers that want to know when smi's are added and deleted. */ static struct list_head smi_watchers = LIST_HEAD_INIT(smi_watchers); -static DECLARE_RWSEM(smi_watchers_sem); +static DEFINE_MUTEX(smi_watchers_mutex); static void free_recv_msg_list(struct list_head *q) @@ -418,8 +426,9 @@ static void intf_free(struct kref *ref) } struct watcher_entry { + int intf_num; + ipmi_smi_t intf; struct list_head link; - int intf_num; }; int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher) @@ -428,36 +437,45 @@ int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher) struct list_head to_deliver = LIST_HEAD_INIT(to_deliver); struct watcher_entry *e, *e2; + mutex_lock(&smi_watchers_mutex); + mutex_lock(&ipmi_interfaces_mutex); + /* Build a list of things to deliver. */ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { if (intf->intf_num == -1) continue; e = kmalloc(sizeof(*e), GFP_KERNEL); if (!e) goto out_err; + kref_get(&intf->refcount); + e->intf = intf; e->intf_num = intf->intf_num; list_add_tail(&e->link, &to_deliver); } - down_write(&smi_watchers_sem); - list_add(&(watcher->link), &smi_watchers); - up_write(&smi_watchers_sem); + /* We will succeed, so add it to the list. */ + list_add(&watcher->link, &smi_watchers); mutex_unlock(&ipmi_interfaces_mutex); list_for_each_entry_safe(e, e2, &to_deliver, link) { list_del(&e->link); - watcher->new_smi(e->intf_num, intf->si_dev); + watcher->new_smi(e->intf_num, e->intf->si_dev); + kref_put(&e->intf->refcount, intf_free); kfree(e); } + mutex_unlock(&smi_watchers_mutex); return 0; out_err: + mutex_unlock(&ipmi_interfaces_mutex); + mutex_unlock(&smi_watchers_mutex); list_for_each_entry_safe(e, e2, &to_deliver, link) { list_del(&e->link); + kref_put(&e->intf->refcount, intf_free); kfree(e); } return -ENOMEM; @@ -465,25 +483,26 @@ int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher) int ipmi_smi_watcher_unregister(struct ipmi_smi_watcher *watcher) { - down_write(&smi_watchers_sem); + mutex_lock(&smi_watchers_mutex); list_del(&(watcher->link)); - up_write(&smi_watchers_sem); + mutex_unlock(&smi_watchers_mutex); return 0; } +/* + * Must be called with smi_watchers_mutex held. + */ static void call_smi_watchers(int i, struct device *dev) { struct ipmi_smi_watcher *w; - down_read(&smi_watchers_sem); list_for_each_entry(w, &smi_watchers, link) { if (try_module_get(w->owner)) { w->new_smi(i, dev); module_put(w->owner); } } - up_read(&smi_watchers_sem); } static int @@ -609,6 +628,17 @@ static void deliver_response(struct ipmi_recv_msg *msg) } } +static void +deliver_err_response(struct ipmi_recv_msg *msg, int err) +{ + msg->recv_type = IPMI_RESPONSE_RECV_TYPE; + msg->msg_data[0] = err; + msg->msg.netfn |= 1; /* Convert to a response. */ + msg->msg.data_len = 1; + msg->msg.data = msg->msg_data; + deliver_response(msg); +} + /* Find the next sequence number not being used and add the given message with the given timeout to the sequence table. This must be called with the interface's seq_lock held. */ @@ -746,14 +776,8 @@ static int intf_err_seq(ipmi_smi_t intf, } spin_unlock_irqrestore(&(intf->seq_lock), flags); - if (msg) { - msg->recv_type = IPMI_RESPONSE_RECV_TYPE; - msg->msg_data[0] = err; - msg->msg.netfn |= 1; /* Convert to a response. */ - msg->msg.data_len = 1; - msg->msg.data = msg->msg_data; - deliver_response(msg); - } + if (msg) + deliver_err_response(msg, err); return rv; } @@ -795,19 +819,18 @@ int ipmi_create_user(unsigned int if_num, if (!new_user) return -ENOMEM; - rcu_read_lock(); + mutex_lock(&ipmi_interfaces_mutex); list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { if (intf->intf_num == if_num) goto found; } - rcu_read_unlock(); + /* Not found, return an error */ rv = -EINVAL; goto out_kfree; found: /* Note that each existing user holds a refcount to the interface. */ kref_get(&intf->refcount); - rcu_read_unlock(); kref_init(&new_user->refcount); new_user->handler = handler; @@ -828,6 +851,10 @@ int ipmi_create_user(unsigned int if_num, } } + /* Hold the lock so intf->handlers is guaranteed to be good + * until now */ + mutex_unlock(&ipmi_interfaces_mutex); + new_user->valid = 1; spin_lock_irqsave(&intf->seq_lock, flags); list_add_rcu(&new_user->link, &intf->users); @@ -838,6 +865,7 @@ int ipmi_create_user(unsigned int if_num, out_kref: kref_put(&intf->refcount, intf_free); out_kfree: + mutex_unlock(&ipmi_interfaces_mutex); kfree(new_user); return rv; } @@ -867,6 +895,7 @@ int ipmi_destroy_user(ipmi_user_t user) && (intf->seq_table[i].recv_msg->user == user)) { intf->seq_table[i].inuse = 0; + ipmi_free_recv_msg(intf->seq_table[i].recv_msg); } } spin_unlock_irqrestore(&intf->seq_lock, flags); @@ -893,9 +922,13 @@ int ipmi_destroy_user(ipmi_user_t user) kfree(rcvr); } - module_put(intf->handlers->owner); - if (intf->handlers->dec_usecount) - intf->handlers->dec_usecount(intf->send_info); + mutex_lock(&ipmi_interfaces_mutex); + if (intf->handlers) { + module_put(intf->handlers->owner); + if (intf->handlers->dec_usecount) + intf->handlers->dec_usecount(intf->send_info); + } + mutex_unlock(&ipmi_interfaces_mutex); kref_put(&intf->refcount, intf_free); @@ -908,8 +941,8 @@ void ipmi_get_version(ipmi_user_t user, unsigned char *major, unsigned char *minor) { - *major = ipmi_version_major(&user->intf->bmc->id); - *minor = ipmi_version_minor(&user->intf->bmc->id); + *major = user->intf->ipmi_version_major; + *minor = user->intf->ipmi_version_minor; } int ipmi_set_my_address(ipmi_user_t user, @@ -964,20 +997,33 @@ int ipmi_set_gets_events(ipmi_user_t user, int val) spin_lock_irqsave(&intf->events_lock, flags); user->gets_events = val; - if (val) { - /* Deliver any queued events. */ + if (intf->delivering_events) + /* + * Another thread is delivering events for this, so + * let it handle any new events. + */ + goto out; + + /* Deliver any queued events. */ + while (user->gets_events && !list_empty(&intf->waiting_events)) { list_for_each_entry_safe(msg, msg2, &intf->waiting_events, link) list_move_tail(&msg->link, &msgs); intf->waiting_events_count = 0; - } - /* Hold the events lock while doing this to preserve order. */ - list_for_each_entry_safe(msg, msg2, &msgs, link) { - msg->user = user; - kref_get(&user->refcount); - deliver_response(msg); + intf->delivering_events = 1; + spin_unlock_irqrestore(&intf->events_lock, flags); + + list_for_each_entry_safe(msg, msg2, &msgs, link) { + msg->user = user; + kref_get(&user->refcount); + deliver_response(msg); + } + + spin_lock_irqsave(&intf->events_lock, flags); + intf->delivering_events = 0; } + out: spin_unlock_irqrestore(&intf->events_lock, flags); return 0; @@ -1088,7 +1134,8 @@ int ipmi_unregister_for_cmd(ipmi_user_t user, void ipmi_user_set_run_to_completion(ipmi_user_t user, int val) { ipmi_smi_t intf = user->intf; - intf->handlers->set_run_to_completion(intf->send_info, val); + if (intf->handlers) + intf->handlers->set_run_to_completion(intf->send_info, val); } static unsigned char @@ -1199,10 +1246,11 @@ static int i_ipmi_request(ipmi_user_t user, int retries, unsigned int retry_time_ms) { - int rv = 0; - struct ipmi_smi_msg *smi_msg; - struct ipmi_recv_msg *recv_msg; - unsigned long flags; + int rv = 0; + struct ipmi_smi_msg *smi_msg; + struct ipmi_recv_msg *recv_msg; + unsigned long flags; + struct ipmi_smi_handlers *handlers; if (supplied_recv) { @@ -1225,6 +1273,13 @@ static int i_ipmi_request(ipmi_user_t user, } } + rcu_read_lock(); + handlers = intf->handlers; + if (!handlers) { + rv = -ENODEV; + goto out_err; + } + recv_msg->user = user; if (user) kref_get(&user->refcount); @@ -1541,11 +1596,14 @@ static int i_ipmi_request(ipmi_user_t user, printk("\n"); } #endif - intf->handlers->sender(intf->send_info, smi_msg, priority); + + handlers->sender(intf->send_info, smi_msg, priority); + rcu_read_unlock(); return 0; out_err: + rcu_read_unlock(); ipmi_free_smi_msg(smi_msg); ipmi_free_recv_msg(recv_msg); return rv; @@ -2492,13 +2550,8 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, int rv; ipmi_smi_t intf; ipmi_smi_t tintf; - int version_major; - int version_minor; struct list_head *link; - version_major = ipmi_version_major(device_id); - version_minor = ipmi_version_minor(device_id); - /* Make sure the driver is actually initialized, this handles problems with initialization order. */ if (!initialized) { @@ -2515,6 +2568,10 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (!intf) return -ENOMEM; memset(intf, 0, sizeof(*intf)); + + intf->ipmi_version_major = ipmi_version_major(device_id); + intf->ipmi_version_minor = ipmi_version_minor(device_id); + intf->bmc = kzalloc(sizeof(*intf->bmc), GFP_KERNEL); if (!intf->bmc) { kfree(intf); @@ -2554,6 +2611,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, spin_lock_init(&intf->counter_lock); intf->proc_dir = NULL; + mutex_lock(&smi_watchers_mutex); mutex_lock(&ipmi_interfaces_mutex); /* Look for a hole in the numbers. */ i = 0; @@ -2577,8 +2635,9 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, get_guid(intf); - if ((version_major > 1) - || ((version_major == 1) && (version_minor >= 5))) + if ((intf->ipmi_version_major > 1) + || ((intf->ipmi_version_major == 1) + && (intf->ipmi_version_minor >= 5))) { /* Start scanning the channels to see what is available. */ @@ -2607,8 +2666,10 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv) { if (intf->proc_dir) remove_proc_entries(intf); + intf->handlers = NULL; list_del_rcu(&intf->link); mutex_unlock(&ipmi_interfaces_mutex); + mutex_unlock(&smi_watchers_mutex); synchronize_rcu(); kref_put(&intf->refcount, intf_free); } else { @@ -2616,30 +2677,50 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, intf->intf_num = i; mutex_unlock(&ipmi_interfaces_mutex); call_smi_watchers(i, intf->si_dev); + mutex_unlock(&smi_watchers_mutex); } return rv; } +static void cleanup_smi_msgs(ipmi_smi_t intf) +{ + int i; + struct seq_table *ent; + + /* No need for locks, the interface is down. */ + for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) { + ent = &(intf->seq_table[i]); + if (!ent->inuse) + continue; + deliver_err_response(ent->recv_msg, IPMI_ERR_UNSPECIFIED); + } +} + int ipmi_unregister_smi(ipmi_smi_t intf) { struct ipmi_smi_watcher *w; + int intf_num = intf->intf_num; ipmi_bmc_unregister(intf); + mutex_lock(&smi_watchers_mutex); mutex_lock(&ipmi_interfaces_mutex); + intf->intf_num = -1; + intf->handlers = NULL; list_del_rcu(&intf->link); mutex_unlock(&ipmi_interfaces_mutex); synchronize_rcu(); + cleanup_smi_msgs(intf); + remove_proc_entries(intf); /* Call all the watcher interfaces to tell them that an interface is gone. */ - down_read(&smi_watchers_sem); list_for_each_entry(w, &smi_watchers, link) - w->smi_gone(intf->intf_num); - up_read(&smi_watchers_sem); + w->smi_gone(intf_num); + mutex_unlock(&smi_watchers_mutex); kref_put(&intf->refcount, intf_free); return 0; @@ -2721,6 +2802,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf, struct ipmi_ipmb_addr *ipmb_addr; struct ipmi_recv_msg *recv_msg; unsigned long flags; + struct ipmi_smi_handlers *handlers; if (msg->rsp_size < 10) { /* Message not big enough, just ignore it. */ @@ -2777,10 +2859,16 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf, printk("\n"); } #endif - intf->handlers->sender(intf->send_info, msg, 0); - - rv = -1; /* We used the message, so return the value that - causes it to not be freed or queued. */ + rcu_read_lock(); + handlers = intf->handlers; + if (handlers) { + handlers->sender(intf->send_info, msg, 0); + /* We used the message, so return the value + that causes it to not be freed or + queued. */ + rv = -1; + } + rcu_read_unlock(); } else { /* Deliver the message to the user. */ spin_lock_irqsave(&intf->counter_lock, flags); @@ -3370,16 +3458,6 @@ void ipmi_smi_watchdog_pretimeout(ipmi_smi_t intf) rcu_read_unlock(); } -static void -handle_msg_timeout(struct ipmi_recv_msg *msg) -{ - msg->recv_type = IPMI_RESPONSE_RECV_TYPE; - msg->msg_data[0] = IPMI_TIMEOUT_COMPLETION_CODE; - msg->msg.netfn |= 1; /* Convert to a response. */ - msg->msg.data_len = 1; - msg->msg.data = msg->msg_data; - deliver_response(msg); -} static struct ipmi_smi_msg * smi_from_recv_msg(ipmi_smi_t intf, struct ipmi_recv_msg *recv_msg, @@ -3411,7 +3489,11 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, struct list_head *timeouts, long timeout_period, int slot, unsigned long *flags) { - struct ipmi_recv_msg *msg; + struct ipmi_recv_msg *msg; + struct ipmi_smi_handlers *handlers; + + if (intf->intf_num == -1) + return; if (!ent->inuse) return; @@ -3454,13 +3536,19 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, return; spin_unlock_irqrestore(&intf->seq_lock, *flags); + /* Send the new message. We send with a zero * priority. It timed out, I doubt time is * that critical now, and high priority * messages are really only for messages to the * local MC, which don't get resent. */ - intf->handlers->sender(intf->send_info, - smi_msg, 0); + handlers = intf->handlers; + if (handlers) + intf->handlers->sender(intf->send_info, + smi_msg, 0); + else + ipmi_free_smi_msg(smi_msg); + spin_lock_irqsave(&intf->seq_lock, *flags); } } @@ -3504,18 +3592,24 @@ static void ipmi_timeout_handler(long timeout_period) spin_unlock_irqrestore(&intf->seq_lock, flags); list_for_each_entry_safe(msg, msg2, &timeouts, link) - handle_msg_timeout(msg); + deliver_err_response(msg, IPMI_TIMEOUT_COMPLETION_CODE); } rcu_read_unlock(); } static void ipmi_request_event(void) { - ipmi_smi_t intf; + ipmi_smi_t intf; + struct ipmi_smi_handlers *handlers; rcu_read_lock(); - list_for_each_entry_rcu(intf, &ipmi_interfaces, link) - intf->handlers->request_events(intf->send_info); + /* Called from the timer, no need to check if handlers is + * valid. */ + list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + handlers = intf->handlers; + if (handlers) + handlers->request_events(intf->send_info); + } rcu_read_unlock(); } @@ -3679,8 +3773,8 @@ static void send_panic_events(char *str) /* For every registered interface, send the event. */ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { - if (intf->intf_num == -1) - /* Interface was not ready yet. */ + if (!intf->handlers) + /* Interface is not ready. */ continue; /* Send the event announcing the panic. */ @@ -3846,8 +3940,8 @@ static int panic_event(struct notifier_block *this, /* For every registered interface, set it to run to completion. */ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { - if (intf->intf_num == -1) - /* Interface was not ready yet. */ + if (!intf->handlers) + /* Interface is not ready. */ continue; intf->handlers->set_run_to_completion(intf->send_info, 1); diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 8d941db8345..85f8071be1b 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -43,6 +43,9 @@ #define PFX "IPMI poweroff: " +static void ipmi_po_smi_gone(int if_num); +static void ipmi_po_new_smi(int if_num, struct device *device); + /* Definitions for controlling power off (if the system supports it). It * conveniently matches the IPMI chassis control values. */ #define IPMI_CHASSIS_POWER_DOWN 0 /* power down, the default. */ @@ -51,6 +54,37 @@ /* the IPMI data command */ static int poweroff_powercycle; +/* Which interface to use, -1 means the first we see. */ +static int ifnum_to_use = -1; + +/* Our local state. */ +static int ready = 0; +static ipmi_user_t ipmi_user; +static int ipmi_ifnum; +static void (*specific_poweroff_func)(ipmi_user_t user) = NULL; + +/* Holds the old poweroff function so we can restore it on removal. */ +static void (*old_poweroff_func)(void); + +static int set_param_ifnum(const char *val, struct kernel_param *kp) +{ + int rv = param_set_int(val, kp); + if (rv) + return rv; + if ((ifnum_to_use < 0) || (ifnum_to_use == ipmi_ifnum)) + return 0; + + ipmi_po_smi_gone(ipmi_ifnum); + ipmi_po_new_smi(ifnum_to_use, NULL); + return 0; +} + +module_param_call(ifnum_to_use, set_param_ifnum, param_get_int, + &ifnum_to_use, 0644); +MODULE_PARM_DESC(ifnum_to_use, "The interface number to use for the watchdog " + "timer. Setting to -1 defaults to the first registered " + "interface"); + /* parameter definition to allow user to flag power cycle */ module_param(poweroff_powercycle, int, 0644); MODULE_PARM_DESC(poweroff_powercycle, " Set to non-zero to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down."); @@ -440,15 +474,6 @@ static struct poweroff_function poweroff_functions[] = { / sizeof(struct poweroff_function)) -/* Our local state. */ -static int ready = 0; -static ipmi_user_t ipmi_user; -static void (*specific_poweroff_func)(ipmi_user_t user) = NULL; - -/* Holds the old poweroff function so we can restore it on removal. */ -static void (*old_poweroff_func)(void); - - /* Called on a powerdown request. */ static void ipmi_poweroff_function (void) { @@ -473,6 +498,9 @@ static void ipmi_po_new_smi(int if_num, struct device *device) if (ready) return; + if ((ifnum_to_use >= 0) && (ifnum_to_use != if_num)) + return; + rv = ipmi_create_user(if_num, &ipmi_poweroff_handler, NULL, &ipmi_user); if (rv) { @@ -481,6 +509,8 @@ static void ipmi_po_new_smi(int if_num, struct device *device) return; } + ipmi_ifnum = if_num; + /* * Do a get device ide and store some results, since this is * used by several functions. @@ -541,9 +571,15 @@ static void ipmi_po_new_smi(int if_num, struct device *device) static void ipmi_po_smi_gone(int if_num) { - /* This can never be called, because once poweroff driver is - registered, the interface can't go away until the power - driver is unregistered. */ + if (!ready) + return; + + if (ipmi_ifnum != if_num) + return; + + ready = 0; + ipmi_destroy_user(ipmi_user); + pm_power_off = old_poweroff_func; } static struct ipmi_smi_watcher smi_watcher = diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 73f759eaa5a..90fb2a54191 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -135,6 +135,7 @@ static int nowayout = WATCHDOG_NOWAYOUT; static ipmi_user_t watchdog_user = NULL; +static int watchdog_ifnum; /* Default the timeout to 10 seconds. */ static int timeout = 10; @@ -161,6 +162,8 @@ static struct fasync_struct *fasync_q = NULL; static char pretimeout_since_last_heartbeat = 0; static char expect_close; +static int ifnum_to_use = -1; + static DECLARE_RWSEM(register_sem); /* Parameters to ipmi_set_timeout */ @@ -169,6 +172,8 @@ static DECLARE_RWSEM(register_sem); #define IPMI_SET_TIMEOUT_FORCE_HB 2 static int ipmi_set_timeout(int do_heartbeat); +static void ipmi_register_watchdog(int ipmi_intf); +static void ipmi_unregister_watchdog(int ipmi_intf); /* If true, the driver will start running as soon as it is configured and ready. */ @@ -245,6 +250,26 @@ static int get_param_str(char *buffer, struct kernel_param *kp) return strlen(buffer); } + +static int set_param_wdog_ifnum(const char *val, struct kernel_param *kp) +{ + int rv = param_set_int(val, kp); + if (rv) + return rv; + if ((ifnum_to_use < 0) || (ifnum_to_use == watchdog_ifnum)) + return 0; + + ipmi_unregister_watchdog(watchdog_ifnum); + ipmi_register_watchdog(ifnum_to_use); + return 0; +} + +module_param_call(ifnum_to_use, set_param_wdog_ifnum, get_param_int, + &ifnum_to_use, 0644); +MODULE_PARM_DESC(ifnum_to_use, "The interface number to use for the watchdog " + "timer. Setting to -1 defaults to the first registered " + "interface"); + module_param_call(timeout, set_param_int, get_param_int, &timeout, 0644); MODULE_PARM_DESC(timeout, "Timeout value in seconds."); @@ -263,12 +288,13 @@ module_param_call(preop, set_param_str, get_param_str, preop_op, 0644); MODULE_PARM_DESC(preop, "Pretimeout driver operation. One of: " "preop_none, preop_panic, preop_give_data."); -module_param(start_now, int, 0); +module_param(start_now, int, 0444); MODULE_PARM_DESC(start_now, "Set to 1 to start the watchdog as" "soon as the driver is loaded."); module_param(nowayout, int, 0644); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started " + "(default=CONFIG_WATCHDOG_NOWAYOUT)"); /* Default state of the timer. */ static unsigned char ipmi_watchdog_state = WDOG_TIMEOUT_NONE; @@ -872,6 +898,11 @@ static void ipmi_register_watchdog(int ipmi_intf) if (watchdog_user) goto out; + if ((ifnum_to_use >= 0) && (ifnum_to_use != ipmi_intf)) + goto out; + + watchdog_ifnum = ipmi_intf; + rv = ipmi_create_user(ipmi_intf, &ipmi_hndlrs, NULL, &watchdog_user); if (rv < 0) { printk(KERN_CRIT PFX "Unable to register with ipmi\n"); @@ -901,6 +932,39 @@ static void ipmi_register_watchdog(int ipmi_intf) } } +static void ipmi_unregister_watchdog(int ipmi_intf) +{ + int rv; + + down_write(®ister_sem); + + if (!watchdog_user) + goto out; + + if (watchdog_ifnum != ipmi_intf) + goto out; + + /* Make sure no one can call us any more. */ + misc_deregister(&ipmi_wdog_miscdev); + + /* Wait to make sure the message makes it out. The lower layer has + pointers to our buffers, we want to make sure they are done before + we release our memory. */ + while (atomic_read(&set_timeout_tofree)) + schedule_timeout_uninterruptible(1); + + /* Disconnect from IPMI. */ + rv = ipmi_destroy_user(watchdog_user); + if (rv) { + printk(KERN_WARNING PFX "error unlinking from IPMI: %d\n", + rv); + } + watchdog_user = NULL; + + out: + up_write(®ister_sem); +} + #ifdef HAVE_NMI_HANDLER static int ipmi_nmi(void *dev_id, int cpu, int handled) @@ -1004,9 +1068,7 @@ static void ipmi_new_smi(int if_num, struct device *device) static void ipmi_smi_gone(int if_num) { - /* This can never be called, because once the watchdog is - registered, the interface can't go away until the watchdog - is unregistered. */ + ipmi_unregister_watchdog(if_num); } static struct ipmi_smi_watcher smi_watcher = @@ -1148,30 +1210,32 @@ static int __init ipmi_wdog_init(void) check_parms(); + register_reboot_notifier(&wdog_reboot_notifier); + atomic_notifier_chain_register(&panic_notifier_list, + &wdog_panic_notifier); + rv = ipmi_smi_watcher_register(&smi_watcher); if (rv) { #ifdef HAVE_NMI_HANDLER if (preaction_val == WDOG_PRETIMEOUT_NMI) release_nmi(&ipmi_nmi_handler); #endif + atomic_notifier_chain_unregister(&panic_notifier_list, + &wdog_panic_notifier); + unregister_reboot_notifier(&wdog_reboot_notifier); printk(KERN_WARNING PFX "can't register smi watcher\n"); return rv; } - register_reboot_notifier(&wdog_reboot_notifier); - atomic_notifier_chain_register(&panic_notifier_list, - &wdog_panic_notifier); - printk(KERN_INFO PFX "driver initialized\n"); return 0; } -static __exit void ipmi_unregister_watchdog(void) +static void __exit ipmi_wdog_exit(void) { - int rv; - - down_write(®ister_sem); + ipmi_smi_watcher_unregister(&smi_watcher); + ipmi_unregister_watchdog(watchdog_ifnum); #ifdef HAVE_NMI_HANDLER if (nmi_handler_registered) @@ -1179,37 +1243,8 @@ static __exit void ipmi_unregister_watchdog(void) #endif atomic_notifier_chain_unregister(&panic_notifier_list, - &wdog_panic_notifier); + &wdog_panic_notifier); unregister_reboot_notifier(&wdog_reboot_notifier); - - if (! watchdog_user) - goto out; - - /* Make sure no one can call us any more. */ - misc_deregister(&ipmi_wdog_miscdev); - - /* Wait to make sure the message makes it out. The lower layer has - pointers to our buffers, we want to make sure they are done before - we release our memory. */ - while (atomic_read(&set_timeout_tofree)) - schedule_timeout_uninterruptible(1); - - /* Disconnect from IPMI. */ - rv = ipmi_destroy_user(watchdog_user); - if (rv) { - printk(KERN_WARNING PFX "error unlinking from IPMI: %d\n", - rv); - } - watchdog_user = NULL; - - out: - up_write(®ister_sem); -} - -static void __exit ipmi_wdog_exit(void) -{ - ipmi_smi_watcher_unregister(&smi_watcher); - ipmi_unregister_watchdog(); } module_exit(ipmi_wdog_exit); module_init(ipmi_wdog_init); -- cgit v1.2.3 From b9675136e2ad95156fb93be6155f17590bb26fd7 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:02 -0800 Subject: [PATCH] IPMI: Add maintenance mode Some commands and operations on a BMC can cause the BMC to "go away" for a while. This can cause the automatic flag processing and other things of that nature to timeout and generate annoying logs, or possibly cause other bad things to happen when in firmware update mode. Add detection of those commands (cold reset, warm reset, and any firmware command) and turns off automatic processing for 30 seconds. It also add a manual override either way. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_devintf.c | 25 ++++++++ drivers/char/ipmi/ipmi_msghandler.c | 117 +++++++++++++++++++++++++++++++++++- drivers/char/ipmi/ipmi_si_intf.c | 9 +++ 3 files changed, 150 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 81fcf0ce21d..375d3378eec 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -596,6 +596,31 @@ static int ipmi_ioctl(struct inode *inode, rv = 0; break; } + + case IPMICTL_GET_MAINTENANCE_MODE_CMD: + { + int mode; + + mode = ipmi_get_maintenance_mode(priv->user); + if (copy_to_user(arg, &mode, sizeof(mode))) { + rv = -EFAULT; + break; + } + rv = 0; + break; + } + + case IPMICTL_SET_MAINTENANCE_MODE_CMD: + { + int mode; + + if (copy_from_user(&mode, arg, sizeof(mode))) { + rv = -EFAULT; + break; + } + rv = ipmi_set_maintenance_mode(priv->user, mode); + break; + } } return rv; diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 03f32611831..ff0e68f0386 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -48,7 +48,7 @@ #define PFX "IPMI message handler: " -#define IPMI_DRIVER_VERSION "39.0" +#define IPMI_DRIVER_VERSION "39.1" static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void); static int ipmi_init_msghandler(void); @@ -59,6 +59,9 @@ static int initialized = 0; static struct proc_dir_entry *proc_ipmi_root = NULL; #endif /* CONFIG_PROC_FS */ +/* Remain in auto-maintenance mode for this amount of time (in ms). */ +#define IPMI_MAINTENANCE_MODE_TIMEOUT 30000 + #define MAX_EVENTS_IN_QUEUE 25 /* Don't let a message sit in a queue forever, always time it with at lest @@ -262,6 +265,12 @@ struct ipmi_smi unsigned char local_sel_device; unsigned char local_event_generator; + /* For handling of maintenance mode. */ + int maintenance_mode; + int maintenance_mode_enable; + int auto_maintenance_timeout; + spinlock_t maintenance_mode_lock; /* Used in a timer... */ + /* A cheap hack, if this is non-null and a message to an interface comes in with a NULL user, call this routine with it. Note that the message will still be freed by the @@ -985,6 +994,65 @@ int ipmi_get_my_LUN(ipmi_user_t user, return 0; } +int ipmi_get_maintenance_mode(ipmi_user_t user) +{ + int mode; + unsigned long flags; + + spin_lock_irqsave(&user->intf->maintenance_mode_lock, flags); + mode = user->intf->maintenance_mode; + spin_unlock_irqrestore(&user->intf->maintenance_mode_lock, flags); + + return mode; +} +EXPORT_SYMBOL(ipmi_get_maintenance_mode); + +static void maintenance_mode_update(ipmi_smi_t intf) +{ + if (intf->handlers->set_maintenance_mode) + intf->handlers->set_maintenance_mode( + intf->send_info, intf->maintenance_mode_enable); +} + +int ipmi_set_maintenance_mode(ipmi_user_t user, int mode) +{ + int rv = 0; + unsigned long flags; + ipmi_smi_t intf = user->intf; + + spin_lock_irqsave(&intf->maintenance_mode_lock, flags); + if (intf->maintenance_mode != mode) { + switch (mode) { + case IPMI_MAINTENANCE_MODE_AUTO: + intf->maintenance_mode = mode; + intf->maintenance_mode_enable + = (intf->auto_maintenance_timeout > 0); + break; + + case IPMI_MAINTENANCE_MODE_OFF: + intf->maintenance_mode = mode; + intf->maintenance_mode_enable = 0; + break; + + case IPMI_MAINTENANCE_MODE_ON: + intf->maintenance_mode = mode; + intf->maintenance_mode_enable = 1; + break; + + default: + rv = -EINVAL; + goto out_unlock; + } + + maintenance_mode_update(intf); + } + out_unlock: + spin_unlock_irqrestore(&intf->maintenance_mode_lock, flags); + + return rv; +} +EXPORT_SYMBOL(ipmi_set_maintenance_mode); + int ipmi_set_gets_events(ipmi_user_t user, int val) { unsigned long flags; @@ -1322,6 +1390,24 @@ static int i_ipmi_request(ipmi_user_t user, goto out_err; } + if (((msg->netfn == IPMI_NETFN_APP_REQUEST) + && ((msg->cmd == IPMI_COLD_RESET_CMD) + || (msg->cmd == IPMI_WARM_RESET_CMD))) + || (msg->netfn == IPMI_NETFN_FIRMWARE_REQUEST)) + { + spin_lock_irqsave(&intf->maintenance_mode_lock, flags); + intf->auto_maintenance_timeout + = IPMI_MAINTENANCE_MODE_TIMEOUT; + if (!intf->maintenance_mode + && !intf->maintenance_mode_enable) + { + intf->maintenance_mode_enable = 1; + maintenance_mode_update(intf); + } + spin_unlock_irqrestore(&intf->maintenance_mode_lock, + flags); + } + if ((msg->data_len + 2) > IPMI_MAX_MSG_LENGTH) { spin_lock_irqsave(&intf->counter_lock, flags); intf->sent_invalid_commands++; @@ -2605,6 +2691,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, INIT_LIST_HEAD(&intf->waiting_events); intf->waiting_events_count = 0; mutex_init(&intf->cmd_rcvrs_mutex); + spin_lock_init(&intf->maintenance_mode_lock); INIT_LIST_HEAD(&intf->cmd_rcvrs); init_waitqueue_head(&intf->waitq); @@ -3593,6 +3680,30 @@ static void ipmi_timeout_handler(long timeout_period) list_for_each_entry_safe(msg, msg2, &timeouts, link) deliver_err_response(msg, IPMI_TIMEOUT_COMPLETION_CODE); + + /* + * Maintenance mode handling. Check the timeout + * optimistically before we claim the lock. It may + * mean a timeout gets missed occasionally, but that + * only means the timeout gets extended by one period + * in that case. No big deal, and it avoids the lock + * most of the time. + */ + if (intf->auto_maintenance_timeout > 0) { + spin_lock_irqsave(&intf->maintenance_mode_lock, flags); + if (intf->auto_maintenance_timeout > 0) { + intf->auto_maintenance_timeout + -= timeout_period; + if (!intf->maintenance_mode + && (intf->auto_maintenance_timeout <= 0)) + { + intf->maintenance_mode_enable = 0; + maintenance_mode_update(intf); + } + } + spin_unlock_irqrestore(&intf->maintenance_mode_lock, + flags); + } } rcu_read_unlock(); } @@ -3606,6 +3717,10 @@ static void ipmi_request_event(void) /* Called from the timer, no need to check if handlers is * valid. */ list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { + /* No event requests when in maintenance mode. */ + if (intf->maintenance_mode_enable) + continue; + handlers = intf->handlers; if (handlers) handlers->request_events(intf->send_info); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 89cdb928061..f04bee76ba2 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -949,12 +949,21 @@ static int smi_start_processing(void *send_info, return 0; } +static void set_maintenance_mode(void *send_info, int enable) +{ + struct smi_info *smi_info = send_info; + + if (!enable) + atomic_set(&smi_info->req_events, 0); +} + static struct ipmi_smi_handlers handlers = { .owner = THIS_MODULE, .start_processing = smi_start_processing, .sender = sender, .request_events = request_events, + .set_maintenance_mode = set_maintenance_mode, .set_run_to_completion = set_run_to_completion, .poll = poll, }; -- cgit v1.2.3 From 55162fb165571b3ba4283fe657f1a5968cef361a Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:04 -0800 Subject: [PATCH] IPMI: fix request events When the IPMI message handler requested that the interface look for events, the ipmi_si driver would request flags, see if the event buffer full flag was set, then request events. It's better to just send the request for events, as it cuts one message out of the transaction if there happens to be events, and it will fetch events even if the event buffer was not full. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index f04bee76ba2..c02f5177a81 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -684,22 +684,24 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, { /* We are idle and the upper layer requested that I fetch events, so do so. */ - unsigned char msg[2]; + atomic_set(&smi_info->req_events, 0); - spin_lock(&smi_info->count_lock); - smi_info->flag_fetches++; - spin_unlock(&smi_info->count_lock); + smi_info->curr_msg = ipmi_alloc_smi_msg(); + if (!smi_info->curr_msg) + goto out; - atomic_set(&smi_info->req_events, 0); - msg[0] = (IPMI_NETFN_APP_REQUEST << 2); - msg[1] = IPMI_GET_MSG_FLAGS_CMD; + smi_info->curr_msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2); + smi_info->curr_msg->data[1] = IPMI_READ_EVENT_MSG_BUFFER_CMD; + smi_info->curr_msg->data_size = 2; smi_info->handlers->start_transaction( - smi_info->si_sm, msg, 2); - smi_info->si_state = SI_GETTING_FLAGS; + smi_info->si_sm, + smi_info->curr_msg->data, + smi_info->curr_msg->data_size); + smi_info->si_state = SI_GETTING_EVENTS; goto restart; } - + out: return si_sm_result; } -- cgit v1.2.3 From 15c62e10bb49eebf3da2b010a9196f5095947b0b Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:06 -0800 Subject: [PATCH] IPMI: add poll delay Make sure to delay a little in the IPMI poll routine so we can pass in a timeout time and thus time things out. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index c02f5177a81..bedd7631004 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -807,7 +807,12 @@ static void poll(void *send_info) { struct smi_info *smi_info = send_info; - smi_event_handler(smi_info, 0); + /* + * Make sure there is some delay in the poll loop so we can + * drive time forward and timeout things. + */ + udelay(10); + smi_event_handler(smi_info, 10); } static void request_events(void *send_info) -- cgit v1.2.3 From b361e27bba261ba59c73df464fa640f7c0fe3553 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:07 -0800 Subject: [PATCH] IPMI: system interface hotplug Add the ability to hot add and remove interfaces in the ipmi_si driver. Any users who have the device open will get errors if they try to send a message. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 320 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 297 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index bedd7631004..8b36b503639 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -61,6 +61,10 @@ #include "ipmi_si_sm.h" #include #include +#include +#include + +#define PFX "ipmi_si: " /* Measure times between events in the driver. */ #undef DEBUG_TIMING @@ -92,7 +96,7 @@ enum si_intf_state { enum si_type { SI_KCS, SI_SMIC, SI_BT }; -static char *si_to_str[] = { "KCS", "SMIC", "BT" }; +static char *si_to_str[] = { "kcs", "smic", "bt" }; #define DEVICE_NAME "ipmi_si" @@ -222,7 +226,10 @@ struct smi_info static int force_kipmid[SI_MAX_PARMS]; static int num_force_kipmid; +static int unload_when_empty = 1; + static int try_smi_init(struct smi_info *smi); +static void cleanup_one_si(struct smi_info *to_clean); static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list); static int register_xaction_notifier(struct notifier_block * nb) @@ -247,7 +254,7 @@ static void return_hosed_msg(struct smi_info *smi_info) /* Make it a reponse */ msg->rsp[0] = msg->data[0] | 4; msg->rsp[1] = msg->data[1]; - msg->rsp[2] = 0xFF; /* Unknown error. */ + msg->rsp[2] = IPMI_ERR_UNSPECIFIED; msg->rsp_size = 3; smi_info->curr_msg = NULL; @@ -716,6 +723,15 @@ static void sender(void *send_info, struct timeval t; #endif + if (atomic_read(&smi_info->stop_operation)) { + msg->rsp[0] = msg->data[0] | 4; + msg->rsp[1] = msg->data[1]; + msg->rsp[2] = IPMI_ERR_UNSPECIFIED; + msg->rsp_size = 3; + deliver_recv_msg(smi_info, msg); + return; + } + spin_lock_irqsave(&(smi_info->msg_lock), flags); #ifdef DEBUG_TIMING do_gettimeofday(&t); @@ -819,6 +835,9 @@ static void request_events(void *send_info) { struct smi_info *smi_info = send_info; + if (atomic_read(&smi_info->stop_operation)) + return; + atomic_set(&smi_info->req_events, 1); } @@ -1003,6 +1022,16 @@ static int num_regshifts = 0; static int slave_addrs[SI_MAX_PARMS]; static int num_slave_addrs = 0; +#define IPMI_IO_ADDR_SPACE 0 +#define IPMI_MEM_ADDR_SPACE 1 +static char *addr_space_to_str[] = { "I/O", "mem" }; + +static int hotmod_handler(const char *val, struct kernel_param *kp); + +module_param_call(hotmod, hotmod_handler, NULL, NULL, 0200); +MODULE_PARM_DESC(hotmod, "Add and remove interfaces. See" + " Documentation/IPMI.txt in the kernel sources for the" + " gory details."); module_param_named(trydefaults, si_trydefaults, bool, 0); MODULE_PARM_DESC(trydefaults, "Setting this to 'false' will disable the" @@ -1054,12 +1083,12 @@ module_param_array(force_kipmid, int, &num_force_kipmid, 0); MODULE_PARM_DESC(force_kipmid, "Force the kipmi daemon to be enabled (1) or" " disabled(0). Normally the IPMI driver auto-detects" " this, but the value may be overridden by this parm."); +module_param(unload_when_empty, int, 0); +MODULE_PARM_DESC(unload_when_empty, "Unload the module if no interfaces are" + " specified or found, default is 1. Setting to 0" + " is useful for hot add of devices using hotmod."); -#define IPMI_IO_ADDR_SPACE 0 -#define IPMI_MEM_ADDR_SPACE 1 -static char *addr_space_to_str[] = { "I/O", "memory" }; - static void std_irq_cleanup(struct smi_info *info) { if (info->si_type == SI_BT) @@ -1333,6 +1362,234 @@ static int mem_setup(struct smi_info *info) return 0; } +/* + * Parms come in as [:op2[:op3...]]. ops are: + * add|remove,kcs|bt|smic,mem|i/o,
[,[,[,...]]] + * Options are: + * rsp= + * rsi= + * rsh= + * irq= + * ipmb= + */ +enum hotmod_op { HM_ADD, HM_REMOVE }; +struct hotmod_vals { + char *name; + int val; +}; +static struct hotmod_vals hotmod_ops[] = { + { "add", HM_ADD }, + { "remove", HM_REMOVE }, + { NULL } +}; +static struct hotmod_vals hotmod_si[] = { + { "kcs", SI_KCS }, + { "smic", SI_SMIC }, + { "bt", SI_BT }, + { NULL } +}; +static struct hotmod_vals hotmod_as[] = { + { "mem", IPMI_MEM_ADDR_SPACE }, + { "i/o", IPMI_IO_ADDR_SPACE }, + { NULL } +}; +static int ipmi_strcasecmp(const char *s1, const char *s2) +{ + while (*s1 || *s2) { + if (!*s1) + return -1; + if (!*s2) + return 1; + if (*s1 != *s2) + return *s1 - *s2; + s1++; + s2++; + } + return 0; +} +static int parse_str(struct hotmod_vals *v, int *val, char *name, char **curr) +{ + char *s; + int i; + + s = strchr(*curr, ','); + if (!s) { + printk(KERN_WARNING PFX "No hotmod %s given.\n", name); + return -EINVAL; + } + *s = '\0'; + s++; + for (i = 0; hotmod_ops[i].name; i++) { + if (ipmi_strcasecmp(*curr, v[i].name) == 0) { + *val = v[i].val; + *curr = s; + return 0; + } + } + + printk(KERN_WARNING PFX "Invalid hotmod %s '%s'\n", name, *curr); + return -EINVAL; +} + +static int hotmod_handler(const char *val, struct kernel_param *kp) +{ + char *str = kstrdup(val, GFP_KERNEL); + int rv = -EINVAL; + char *next, *curr, *s, *n, *o; + enum hotmod_op op; + enum si_type si_type; + int addr_space; + unsigned long addr; + int regspacing; + int regsize; + int regshift; + int irq; + int ipmb; + int ival; + struct smi_info *info; + + if (!str) + return -ENOMEM; + + /* Kill any trailing spaces, as we can get a "\n" from echo. */ + ival = strlen(str) - 1; + while ((ival >= 0) && isspace(str[ival])) { + str[ival] = '\0'; + ival--; + } + + for (curr = str; curr; curr = next) { + regspacing = 1; + regsize = 1; + regshift = 0; + irq = 0; + ipmb = 0x20; + + next = strchr(curr, ':'); + if (next) { + *next = '\0'; + next++; + } + + rv = parse_str(hotmod_ops, &ival, "operation", &curr); + if (rv) + break; + op = ival; + + rv = parse_str(hotmod_si, &ival, "interface type", &curr); + if (rv) + break; + si_type = ival; + + rv = parse_str(hotmod_as, &addr_space, "address space", &curr); + if (rv) + break; + + s = strchr(curr, ','); + if (s) { + *s = '\0'; + s++; + } + addr = simple_strtoul(curr, &n, 0); + if ((*n != '\0') || (*curr == '\0')) { + printk(KERN_WARNING PFX "Invalid hotmod address" + " '%s'\n", curr); + break; + } + + while (s) { + curr = s; + s = strchr(curr, ','); + if (s) { + *s = '\0'; + s++; + } + o = strchr(curr, '='); + if (o) { + *o = '\0'; + o++; + } +#define HOTMOD_INT_OPT(name, val) \ + if (ipmi_strcasecmp(curr, name) == 0) { \ + if (!o) { \ + printk(KERN_WARNING PFX \ + "No option given for '%s'\n", \ + curr); \ + goto out; \ + } \ + val = simple_strtoul(o, &n, 0); \ + if ((*n != '\0') || (*o == '\0')) { \ + printk(KERN_WARNING PFX \ + "Bad option given for '%s'\n", \ + curr); \ + goto out; \ + } \ + } + + HOTMOD_INT_OPT("rsp", regspacing) + else HOTMOD_INT_OPT("rsi", regsize) + else HOTMOD_INT_OPT("rsh", regshift) + else HOTMOD_INT_OPT("irq", irq) + else HOTMOD_INT_OPT("ipmb", ipmb) + else { + printk(KERN_WARNING PFX + "Invalid hotmod option '%s'\n", + curr); + goto out; + } +#undef HOTMOD_INT_OPT + } + + if (op == HM_ADD) { + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) { + rv = -ENOMEM; + goto out; + } + + info->addr_source = "hotmod"; + info->si_type = si_type; + info->io.addr_data = addr; + info->io.addr_type = addr_space; + if (addr_space == IPMI_MEM_ADDR_SPACE) + info->io_setup = mem_setup; + else + info->io_setup = port_setup; + + info->io.addr = NULL; + info->io.regspacing = regspacing; + if (!info->io.regspacing) + info->io.regspacing = DEFAULT_REGSPACING; + info->io.regsize = regsize; + if (!info->io.regsize) + info->io.regsize = DEFAULT_REGSPACING; + info->io.regshift = regshift; + info->irq = irq; + if (info->irq) + info->irq_setup = std_irq_setup; + info->slave_addr = ipmb; + + try_smi_init(info); + } else { + /* remove */ + struct smi_info *e, *tmp_e; + + mutex_lock(&smi_infos_lock); + list_for_each_entry_safe(e, tmp_e, &smi_infos, link) { + if (e->io.addr_type != addr_space) + continue; + if (e->si_type != si_type) + continue; + if (e->io.addr_data == addr) + cleanup_one_si(e); + } + mutex_unlock(&smi_infos_lock); + } + } + out: + kfree(str); + return rv; +} static __devinit void hardcode_find_bmc(void) { @@ -1349,11 +1606,11 @@ static __devinit void hardcode_find_bmc(void) info->addr_source = "hardcoded"; - if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) { + if (!si_type[i] || ipmi_strcasecmp(si_type[i], "kcs") == 0) { info->si_type = SI_KCS; - } else if (strcmp(si_type[i], "smic") == 0) { + } else if (ipmi_strcasecmp(si_type[i], "smic") == 0) { info->si_type = SI_SMIC; - } else if (strcmp(si_type[i], "bt") == 0) { + } else if (ipmi_strcasecmp(si_type[i], "bt") == 0) { info->si_type = SI_BT; } else { printk(KERN_WARNING @@ -1968,19 +2225,9 @@ static int try_get_dev_id(struct smi_info *smi_info) static int type_file_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { - char *out = (char *) page; struct smi_info *smi = data; - switch (smi->si_type) { - case SI_KCS: - return sprintf(out, "kcs\n"); - case SI_SMIC: - return sprintf(out, "smic\n"); - case SI_BT: - return sprintf(out, "bt\n"); - default: - return 0; - } + return sprintf(page, "%s\n", si_to_str[smi->si_type]); } static int stat_file_read_proc(char *page, char **start, off_t off, @@ -2016,7 +2263,24 @@ static int stat_file_read_proc(char *page, char **start, off_t off, out += sprintf(out, "incoming_messages: %ld\n", smi->incoming_messages); - return (out - ((char *) page)); + return out - page; +} + +static int param_read_proc(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + struct smi_info *smi = data; + + return sprintf(page, + "%s,%s,0x%lx,rsp=%d,rsi=%d,rsh=%d,irq=%d,ipmb=%d\n", + si_to_str[smi->si_type], + addr_space_to_str[smi->io.addr_type], + smi->io.addr_data, + smi->io.regspacing, + smi->io.regsize, + smi->io.regshift, + smi->irq, + smi->slave_addr); } /* @@ -2407,6 +2671,16 @@ static int try_smi_init(struct smi_info *new_smi) goto out_err_stop_timer; } + rv = ipmi_smi_add_proc_entry(new_smi->intf, "params", + param_read_proc, NULL, + new_smi, THIS_MODULE); + if (rv) { + printk(KERN_ERR + "ipmi_si: Unable to create proc entry: %d\n", + rv); + goto out_err_stop_timer; + } + list_add_tail(&new_smi->link, &smi_infos); mutex_unlock(&smi_infos_lock); @@ -2515,7 +2789,7 @@ static __devinit int init_ipmi_si(void) } mutex_lock(&smi_infos_lock); - if (list_empty(&smi_infos)) { + if (unload_when_empty && list_empty(&smi_infos)) { mutex_unlock(&smi_infos_lock); #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); @@ -2530,7 +2804,7 @@ static __devinit int init_ipmi_si(void) } module_init(init_ipmi_si); -static void __devexit cleanup_one_si(struct smi_info *to_clean) +static void cleanup_one_si(struct smi_info *to_clean) { int rv; unsigned long flags; -- cgit v1.2.3 From 7d8ba9669a28f650001093ebbb6ecc3b0a72926f Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:09 -0800 Subject: [PATCH] IPMI: add pigeonpoint poweroff X86 boards generally use ACPI for the power management interactions with the BMC. However, non-x86 boards need some help. This patch adds the help for the Motorola PigeonPoint-based IPMCs. Signed-off-by: Joseph Barnett Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_poweroff.c | 52 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 51 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 85f8071be1b..8ce447ab6de 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -176,6 +176,42 @@ static int ipmi_request_in_rc_mode(ipmi_user_t user, #define IPMI_ATCA_GET_ADDR_INFO_CMD 0x01 #define IPMI_PICMG_ID 0 +#define IPMI_NETFN_OEM 0x2e +#define IPMI_ATCA_PPS_GRACEFUL_RESTART 0x11 +#define IPMI_ATCA_PPS_IANA "\x00\x40\x0A" +#define IPMI_MOTOROLA_MANUFACTURER_ID 0x0000A1 +#define IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID 0x0051 + +static void (*atca_oem_poweroff_hook)(ipmi_user_t user) = NULL; + +static void pps_poweroff_atca (ipmi_user_t user) +{ + struct ipmi_system_interface_addr smi_addr; + struct kernel_ipmi_msg send_msg; + int rv; + /* + * Configure IPMI address for local access + */ + smi_addr.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; + smi_addr.channel = IPMI_BMC_CHANNEL; + smi_addr.lun = 0; + + printk(KERN_INFO PFX "PPS powerdown hook used"); + + send_msg.netfn = IPMI_NETFN_OEM; + send_msg.cmd = IPMI_ATCA_PPS_GRACEFUL_RESTART; + send_msg.data = IPMI_ATCA_PPS_IANA; + send_msg.data_len = 3; + rv = ipmi_request_in_rc_mode(user, + (struct ipmi_addr *) &smi_addr, + &send_msg); + if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) { + printk(KERN_ERR PFX "Unable to send ATCA ," + " IPMI error 0x%x\n", rv); + } + return; +} + static int ipmi_atca_detect (ipmi_user_t user) { struct ipmi_system_interface_addr smi_addr; @@ -201,6 +237,13 @@ static int ipmi_atca_detect (ipmi_user_t user) rv = ipmi_request_wait_for_response(user, (struct ipmi_addr *) &smi_addr, &send_msg); + + printk(KERN_INFO PFX "ATCA Detect mfg 0x%X prod 0x%X\n", mfg_id, prod_id); + if((mfg_id == IPMI_MOTOROLA_MANUFACTURER_ID) + && (prod_id == IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID)) { + printk(KERN_INFO PFX "Installing Pigeon Point Systems Poweroff Hook\n"); + atca_oem_poweroff_hook = pps_poweroff_atca; + } return !rv; } @@ -234,12 +277,19 @@ static void ipmi_poweroff_atca (ipmi_user_t user) rv = ipmi_request_in_rc_mode(user, (struct ipmi_addr *) &smi_addr, &send_msg); - if (rv) { + /** At this point, the system may be shutting down, and most + ** serial drivers (if used) will have interrupts turned off + ** it may be better to ignore IPMI_UNKNOWN_ERR_COMPLETION_CODE + ** return code + **/ + if (rv && rv != IPMI_UNKNOWN_ERR_COMPLETION_CODE) { printk(KERN_ERR PFX "Unable to send ATCA powerdown message," " IPMI error 0x%x\n", rv); goto out; } + if(atca_oem_poweroff_hook) + return atca_oem_poweroff_hook(user); out: return; } -- cgit v1.2.3 From 168b35a7f67c5a8189e6b92780dfb5262604057c Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:11 -0800 Subject: [PATCH] IPMI: fix pci warning Change pci_module_init() to the new interface, and check the return code to avoid warnings and give the user useful information if this fails. Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_si_intf.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 8b36b503639..c7de2e86a6d 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2774,7 +2774,12 @@ static __devinit int init_ipmi_si(void) #endif #ifdef CONFIG_PCI - pci_module_init(&ipmi_pci_driver); + rv = pci_register_driver(&ipmi_pci_driver); + if (rv){ + printk(KERN_ERR + "init_ipmi_si: Unable to register PCI driver: %d\n", + rv); + } #endif if (si_trydefaults) { -- cgit v1.2.3 From 4d7cbac7c870ca66d8fb27d68188efbb5de2dffa Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:14 -0800 Subject: [PATCH] IPMI: Fix BT long busy The IPMI BT subdriver has been patched to survive "long busy" timeouts seen during firmware upgrades and resets. The patch never returns the HOSED state, synthesizes response messages with meaningful completion codes, and recovers gracefully when the hardware finishes the long busy. The subdriver now issues a "Get BT Capabilities" command and properly uses those results. More informative completion codes are returned on error from transaction starts; this logic was propogated to the KCS and SMIC subdrivers. Finally, indent and other style quirks were normalized. Signed-off-by: Rocky Craig Signed-off-by: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_bt_sm.c | 641 ++++++++++++++++++++++++--------------- drivers/char/ipmi/ipmi_kcs_sm.c | 14 +- drivers/char/ipmi/ipmi_si_intf.c | 12 +- drivers/char/ipmi/ipmi_smic_sm.c | 14 +- 4 files changed, 417 insertions(+), 264 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c index 0030cd8e2e9..6c59baa887a 100644 --- a/drivers/char/ipmi/ipmi_bt_sm.c +++ b/drivers/char/ipmi/ipmi_bt_sm.c @@ -33,11 +33,13 @@ #include /* for completion codes */ #include "ipmi_si_sm.h" -static int bt_debug = 0x00; /* Production value 0, see following flags */ +#define BT_DEBUG_OFF 0 /* Used in production */ +#define BT_DEBUG_ENABLE 1 /* Generic messages */ +#define BT_DEBUG_MSG 2 /* Prints all request/response buffers */ +#define BT_DEBUG_STATES 4 /* Verbose look at state changes */ + +static int bt_debug = BT_DEBUG_OFF; -#define BT_DEBUG_ENABLE 1 -#define BT_DEBUG_MSG 2 -#define BT_DEBUG_STATES 4 module_param(bt_debug, int, 0644); MODULE_PARM_DESC(bt_debug, "debug bitmask, 1=enable, 2=messages, 4=states"); @@ -47,38 +49,54 @@ MODULE_PARM_DESC(bt_debug, "debug bitmask, 1=enable, 2=messages, 4=states"); Since the Open IPMI architecture is single-message oriented at this stage, the queue depth of BT is of no concern. */ -#define BT_NORMAL_TIMEOUT 5000000 /* seconds in microseconds */ -#define BT_RETRY_LIMIT 2 -#define BT_RESET_DELAY 6000000 /* 6 seconds after warm reset */ +#define BT_NORMAL_TIMEOUT 5 /* seconds */ +#define BT_NORMAL_RETRY_LIMIT 2 +#define BT_RESET_DELAY 6 /* seconds after warm reset */ + +/* States are written in chronological order and usually cover + multiple rows of the state table discussion in the IPMI spec. */ enum bt_states { - BT_STATE_IDLE, + BT_STATE_IDLE = 0, /* Order is critical in this list */ BT_STATE_XACTION_START, BT_STATE_WRITE_BYTES, - BT_STATE_WRITE_END, BT_STATE_WRITE_CONSUME, - BT_STATE_B2H_WAIT, - BT_STATE_READ_END, - BT_STATE_RESET1, /* These must come last */ + BT_STATE_READ_WAIT, + BT_STATE_CLEAR_B2H, + BT_STATE_READ_BYTES, + BT_STATE_RESET1, /* These must come last */ BT_STATE_RESET2, BT_STATE_RESET3, BT_STATE_RESTART, - BT_STATE_HOSED + BT_STATE_PRINTME, + BT_STATE_CAPABILITIES_BEGIN, + BT_STATE_CAPABILITIES_END, + BT_STATE_LONG_BUSY /* BT doesn't get hosed :-) */ }; +/* Macros seen at the end of state "case" blocks. They help with legibility + and debugging. */ + +#define BT_STATE_CHANGE(X,Y) { bt->state = X; return Y; } + +#define BT_SI_SM_RETURN(Y) { last_printed = BT_STATE_PRINTME; return Y; } + struct si_sm_data { enum bt_states state; - enum bt_states last_state; /* assist printing and resets */ unsigned char seq; /* BT sequence number */ struct si_sm_io *io; - unsigned char write_data[IPMI_MAX_MSG_LENGTH]; - int write_count; - unsigned char read_data[IPMI_MAX_MSG_LENGTH]; - int read_count; - int truncated; - long timeout; - unsigned int error_retries; /* end of "common" fields */ + unsigned char write_data[IPMI_MAX_MSG_LENGTH]; + int write_count; + unsigned char read_data[IPMI_MAX_MSG_LENGTH]; + int read_count; + int truncated; + long timeout; /* microseconds countdown */ + int error_retries; /* end of "common" fields */ int nonzero_status; /* hung BMCs stay all 0 */ + enum bt_states complete; /* to divert the state machine */ + int BT_CAP_outreqs; + long BT_CAP_req2rsp; + int BT_CAP_retries; /* Recommended retries */ }; #define BT_CLR_WR_PTR 0x01 /* See IPMI 1.5 table 11.6.4 */ @@ -111,86 +129,118 @@ struct si_sm_data { static char *state2txt(unsigned char state) { switch (state) { - case BT_STATE_IDLE: return("IDLE"); - case BT_STATE_XACTION_START: return("XACTION"); - case BT_STATE_WRITE_BYTES: return("WR_BYTES"); - case BT_STATE_WRITE_END: return("WR_END"); - case BT_STATE_WRITE_CONSUME: return("WR_CONSUME"); - case BT_STATE_B2H_WAIT: return("B2H_WAIT"); - case BT_STATE_READ_END: return("RD_END"); - case BT_STATE_RESET1: return("RESET1"); - case BT_STATE_RESET2: return("RESET2"); - case BT_STATE_RESET3: return("RESET3"); - case BT_STATE_RESTART: return("RESTART"); - case BT_STATE_HOSED: return("HOSED"); + case BT_STATE_IDLE: return("IDLE"); + case BT_STATE_XACTION_START: return("XACTION"); + case BT_STATE_WRITE_BYTES: return("WR_BYTES"); + case BT_STATE_WRITE_CONSUME: return("WR_CONSUME"); + case BT_STATE_READ_WAIT: return("RD_WAIT"); + case BT_STATE_CLEAR_B2H: return("CLEAR_B2H"); + case BT_STATE_READ_BYTES: return("RD_BYTES"); + case BT_STATE_RESET1: return("RESET1"); + case BT_STATE_RESET2: return("RESET2"); + case BT_STATE_RESET3: return("RESET3"); + case BT_STATE_RESTART: return("RESTART"); + case BT_STATE_LONG_BUSY: return("LONG_BUSY"); + case BT_STATE_CAPABILITIES_BEGIN: return("CAP_BEGIN"); + case BT_STATE_CAPABILITIES_END: return("CAP_END"); } return("BAD STATE"); } #define STATE2TXT state2txt(bt->state) -static char *status2txt(unsigned char status, char *buf) +static char *status2txt(unsigned char status) { + /* + * This cannot be called by two threads at the same time and + * the buffer is always consumed immediately, so the static is + * safe to use. + */ + static char buf[40]; + strcpy(buf, "[ "); - if (status & BT_B_BUSY) strcat(buf, "B_BUSY "); - if (status & BT_H_BUSY) strcat(buf, "H_BUSY "); - if (status & BT_OEM0) strcat(buf, "OEM0 "); - if (status & BT_SMS_ATN) strcat(buf, "SMS "); - if (status & BT_B2H_ATN) strcat(buf, "B2H "); - if (status & BT_H2B_ATN) strcat(buf, "H2B "); + if (status & BT_B_BUSY) + strcat(buf, "B_BUSY "); + if (status & BT_H_BUSY) + strcat(buf, "H_BUSY "); + if (status & BT_OEM0) + strcat(buf, "OEM0 "); + if (status & BT_SMS_ATN) + strcat(buf, "SMS "); + if (status & BT_B2H_ATN) + strcat(buf, "B2H "); + if (status & BT_H2B_ATN) + strcat(buf, "H2B "); strcat(buf, "]"); return buf; } -#define STATUS2TXT(buf) status2txt(status, buf) +#define STATUS2TXT status2txt(status) + +/* called externally at insmod time, and internally on cleanup */ -/* This will be called from within this module on a hosed condition */ -#define FIRST_SEQ 0 static unsigned int bt_init_data(struct si_sm_data *bt, struct si_sm_io *io) { - bt->state = BT_STATE_IDLE; - bt->last_state = BT_STATE_IDLE; - bt->seq = FIRST_SEQ; - bt->io = io; - bt->write_count = 0; - bt->read_count = 0; - bt->error_retries = 0; - bt->nonzero_status = 0; - bt->truncated = 0; - bt->timeout = BT_NORMAL_TIMEOUT; + memset(bt, 0, sizeof(struct si_sm_data)); + if (bt->io != io) { /* external: one-time only things */ + bt->io = io; + bt->seq = 0; + } + bt->state = BT_STATE_IDLE; /* start here */ + bt->complete = BT_STATE_IDLE; /* end here */ + bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * 1000000; + bt->BT_CAP_retries = BT_NORMAL_RETRY_LIMIT; + /* BT_CAP_outreqs == zero is a flag to read BT Capabilities */ return 3; /* We claim 3 bytes of space; ought to check SPMI table */ } +/* Jam a completion code (probably an error) into a response */ + +static void force_result(struct si_sm_data *bt, unsigned char completion_code) +{ + bt->read_data[0] = 4; /* # following bytes */ + bt->read_data[1] = bt->write_data[1] | 4; /* Odd NetFn/LUN */ + bt->read_data[2] = bt->write_data[2]; /* seq (ignored) */ + bt->read_data[3] = bt->write_data[3]; /* Command */ + bt->read_data[4] = completion_code; + bt->read_count = 5; +} + +/* The upper state machine starts here */ + static int bt_start_transaction(struct si_sm_data *bt, unsigned char *data, unsigned int size) { unsigned int i; - if ((size < 2) || (size > (IPMI_MAX_MSG_LENGTH - 2))) - return -1; + if (size < 2) + return IPMI_REQ_LEN_INVALID_ERR; + if (size > IPMI_MAX_MSG_LENGTH) + return IPMI_REQ_LEN_EXCEEDED_ERR; - if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED)) - return -2; + if (bt->state == BT_STATE_LONG_BUSY) + return IPMI_NODE_BUSY_ERR; + + if (bt->state != BT_STATE_IDLE) + return IPMI_NOT_IN_MY_STATE_ERR; if (bt_debug & BT_DEBUG_MSG) { - printk(KERN_WARNING "+++++++++++++++++++++++++++++++++++++\n"); - printk(KERN_WARNING "BT: write seq=0x%02X:", bt->seq); + printk(KERN_WARNING "BT: +++++++++++++++++ New command\n"); + printk(KERN_WARNING "BT: NetFn/LUN CMD [%d data]:", size - 2); for (i = 0; i < size; i ++) - printk (" %02x", data[i]); + printk (" %02x", data[i]); printk("\n"); } bt->write_data[0] = size + 1; /* all data plus seq byte */ bt->write_data[1] = *data; /* NetFn/LUN */ - bt->write_data[2] = bt->seq; + bt->write_data[2] = bt->seq++; memcpy(bt->write_data + 3, data + 1, size - 1); bt->write_count = size + 2; - bt->error_retries = 0; bt->nonzero_status = 0; - bt->read_count = 0; bt->truncated = 0; bt->state = BT_STATE_XACTION_START; - bt->last_state = BT_STATE_IDLE; - bt->timeout = BT_NORMAL_TIMEOUT; + bt->timeout = bt->BT_CAP_req2rsp; + force_result(bt, IPMI_ERR_UNSPECIFIED); return 0; } @@ -198,38 +248,30 @@ static int bt_start_transaction(struct si_sm_data *bt, it calls this. Strip out the length and seq bytes. */ static int bt_get_result(struct si_sm_data *bt, - unsigned char *data, - unsigned int length) + unsigned char *data, + unsigned int length) { int i, msg_len; msg_len = bt->read_count - 2; /* account for length & seq */ - /* Always NetFn, Cmd, cCode */ if (msg_len < 3 || msg_len > IPMI_MAX_MSG_LENGTH) { - printk(KERN_DEBUG "BT results: bad msg_len = %d\n", msg_len); - data[0] = bt->write_data[1] | 0x4; /* Kludge a response */ - data[1] = bt->write_data[3]; - data[2] = IPMI_ERR_UNSPECIFIED; + force_result(bt, IPMI_ERR_UNSPECIFIED); msg_len = 3; - } else { - data[0] = bt->read_data[1]; - data[1] = bt->read_data[3]; - if (length < msg_len) - bt->truncated = 1; - if (bt->truncated) { /* can be set in read_all_bytes() */ - data[2] = IPMI_ERR_MSG_TRUNCATED; - msg_len = 3; - } else - memcpy(data + 2, bt->read_data + 4, msg_len - 2); + } + data[0] = bt->read_data[1]; + data[1] = bt->read_data[3]; + if (length < msg_len || bt->truncated) { + data[2] = IPMI_ERR_MSG_TRUNCATED; + msg_len = 3; + } else + memcpy(data + 2, bt->read_data + 4, msg_len - 2); - if (bt_debug & BT_DEBUG_MSG) { - printk (KERN_WARNING "BT: res (raw)"); - for (i = 0; i < msg_len; i++) - printk(" %02x", data[i]); - printk ("\n"); - } + if (bt_debug & BT_DEBUG_MSG) { + printk (KERN_WARNING "BT: result %d bytes:", msg_len); + for (i = 0; i < msg_len; i++) + printk(" %02x", data[i]); + printk ("\n"); } - bt->read_count = 0; /* paranoia */ return msg_len; } @@ -238,22 +280,40 @@ static int bt_get_result(struct si_sm_data *bt, static void reset_flags(struct si_sm_data *bt) { + if (bt_debug) + printk(KERN_WARNING "IPMI BT: flag reset %s\n", + status2txt(BT_STATUS)); if (BT_STATUS & BT_H_BUSY) - BT_CONTROL(BT_H_BUSY); - if (BT_STATUS & BT_B_BUSY) - BT_CONTROL(BT_B_BUSY); - BT_CONTROL(BT_CLR_WR_PTR); - BT_CONTROL(BT_SMS_ATN); - - if (BT_STATUS & BT_B2H_ATN) { - int i; - BT_CONTROL(BT_H_BUSY); - BT_CONTROL(BT_B2H_ATN); - BT_CONTROL(BT_CLR_RD_PTR); - for (i = 0; i < IPMI_MAX_MSG_LENGTH + 2; i++) - BMC2HOST; - BT_CONTROL(BT_H_BUSY); - } + BT_CONTROL(BT_H_BUSY); /* force clear */ + BT_CONTROL(BT_CLR_WR_PTR); /* always reset */ + BT_CONTROL(BT_SMS_ATN); /* always clear */ + BT_INTMASK_W(BT_BMC_HWRST); +} + +/* Get rid of an unwanted/stale response. This should only be needed for + BMCs that support multiple outstanding requests. */ + +static void drain_BMC2HOST(struct si_sm_data *bt) +{ + int i, size; + + if (!(BT_STATUS & BT_B2H_ATN)) /* Not signalling a response */ + return; + + BT_CONTROL(BT_H_BUSY); /* now set */ + BT_CONTROL(BT_B2H_ATN); /* always clear */ + BT_STATUS; /* pause */ + BT_CONTROL(BT_B2H_ATN); /* some BMCs are stubborn */ + BT_CONTROL(BT_CLR_RD_PTR); /* always reset */ + if (bt_debug) + printk(KERN_WARNING "IPMI BT: stale response %s; ", + status2txt(BT_STATUS)); + size = BMC2HOST; + for (i = 0; i < size ; i++) + BMC2HOST; + BT_CONTROL(BT_H_BUSY); /* now clear */ + if (bt_debug) + printk("drained %d bytes\n", size + 1); } static inline void write_all_bytes(struct si_sm_data *bt) @@ -261,201 +321,256 @@ static inline void write_all_bytes(struct si_sm_data *bt) int i; if (bt_debug & BT_DEBUG_MSG) { - printk(KERN_WARNING "BT: write %d bytes seq=0x%02X", + printk(KERN_WARNING "BT: write %d bytes seq=0x%02X", bt->write_count, bt->seq); for (i = 0; i < bt->write_count; i++) printk (" %02x", bt->write_data[i]); printk ("\n"); } for (i = 0; i < bt->write_count; i++) - HOST2BMC(bt->write_data[i]); + HOST2BMC(bt->write_data[i]); } static inline int read_all_bytes(struct si_sm_data *bt) { unsigned char i; + /* length is "framing info", minimum = 4: NetFn, Seq, Cmd, cCode. + Keep layout of first four bytes aligned with write_data[] */ + bt->read_data[0] = BMC2HOST; bt->read_count = bt->read_data[0]; - if (bt_debug & BT_DEBUG_MSG) - printk(KERN_WARNING "BT: read %d bytes:", bt->read_count); - /* minimum: length, NetFn, Seq, Cmd, cCode == 5 total, or 4 more - following the length byte. */ if (bt->read_count < 4 || bt->read_count >= IPMI_MAX_MSG_LENGTH) { if (bt_debug & BT_DEBUG_MSG) - printk("bad length %d\n", bt->read_count); + printk(KERN_WARNING "BT: bad raw rsp len=%d\n", + bt->read_count); bt->truncated = 1; return 1; /* let next XACTION START clean it up */ } for (i = 1; i <= bt->read_count; i++) - bt->read_data[i] = BMC2HOST; - bt->read_count++; /* account for the length byte */ + bt->read_data[i] = BMC2HOST; + bt->read_count++; /* Account internally for length byte */ if (bt_debug & BT_DEBUG_MSG) { - for (i = 0; i < bt->read_count; i++) + int max = bt->read_count; + + printk(KERN_WARNING "BT: got %d bytes seq=0x%02X", + max, bt->read_data[2]); + if (max > 16) + max = 16; + for (i = 0; i < max; i++) printk (" %02x", bt->read_data[i]); - printk ("\n"); + printk ("%s\n", bt->read_count == max ? "" : " ..."); } - if (bt->seq != bt->write_data[2]) /* idiot check */ - printk(KERN_DEBUG "BT: internal error: sequence mismatch\n"); - /* per the spec, the (NetFn, Seq, Cmd) tuples should match */ - if ((bt->read_data[3] == bt->write_data[3]) && /* Cmd */ - (bt->read_data[2] == bt->write_data[2]) && /* Sequence */ - ((bt->read_data[1] & 0xF8) == (bt->write_data[1] & 0xF8))) + /* per the spec, the (NetFn[1], Seq[2], Cmd[3]) tuples must match */ + if ((bt->read_data[3] == bt->write_data[3]) && + (bt->read_data[2] == bt->write_data[2]) && + ((bt->read_data[1] & 0xF8) == (bt->write_data[1] & 0xF8))) return 1; if (bt_debug & BT_DEBUG_MSG) - printk(KERN_WARNING "BT: bad packet: " + printk(KERN_WARNING "IPMI BT: bad packet: " "want 0x(%02X, %02X, %02X) got (%02X, %02X, %02X)\n", - bt->write_data[1], bt->write_data[2], bt->write_data[3], + bt->write_data[1] | 0x04, bt->write_data[2], bt->write_data[3], bt->read_data[1], bt->read_data[2], bt->read_data[3]); return 0; } -/* Modifies bt->state appropriately, need to get into the bt_event() switch */ +/* Restart if retries are left, or return an error completion code */ -static void error_recovery(struct si_sm_data *bt, char *reason) +static enum si_sm_result error_recovery(struct si_sm_data *bt, + unsigned char status, + unsigned char cCode) { - unsigned char status; - char buf[40]; /* For getting status */ + char *reason; - bt->timeout = BT_NORMAL_TIMEOUT; /* various places want to retry */ + bt->timeout = bt->BT_CAP_req2rsp; - status = BT_STATUS; - printk(KERN_DEBUG "BT: %s in %s %s\n", reason, STATE2TXT, - STATUS2TXT(buf)); + switch (cCode) { + case IPMI_TIMEOUT_ERR: + reason = "timeout"; + break; + default: + reason = "internal error"; + break; + } + + printk(KERN_WARNING "IPMI BT: %s in %s %s ", /* open-ended line */ + reason, STATE2TXT, STATUS2TXT); + /* Per the IPMI spec, retries are based on the sequence number + known only to this module, so manage a restart here. */ (bt->error_retries)++; - if (bt->error_retries > BT_RETRY_LIMIT) { - printk(KERN_DEBUG "retry limit (%d) exceeded\n", BT_RETRY_LIMIT); - bt->state = BT_STATE_HOSED; - if (!bt->nonzero_status) - printk(KERN_ERR "IPMI: BT stuck, try power cycle\n"); - else if (bt->error_retries <= BT_RETRY_LIMIT + 1) { - printk(KERN_DEBUG "IPMI: BT reset (takes 5 secs)\n"); - bt->state = BT_STATE_RESET1; - } - return; + if (bt->error_retries < bt->BT_CAP_retries) { + printk("%d retries left\n", + bt->BT_CAP_retries - bt->error_retries); + bt->state = BT_STATE_RESTART; + return SI_SM_CALL_WITHOUT_DELAY; } - /* Sometimes the BMC queues get in an "off-by-one" state...*/ - if ((bt->state == BT_STATE_B2H_WAIT) && (status & BT_B2H_ATN)) { - printk(KERN_DEBUG "retry B2H_WAIT\n"); - return; + printk("failed %d retries, sending error response\n", + bt->BT_CAP_retries); + if (!bt->nonzero_status) + printk(KERN_ERR "IPMI BT: stuck, try power cycle\n"); + + /* this is most likely during insmod */ + else if (bt->seq <= (unsigned char)(bt->BT_CAP_retries & 0xFF)) { + printk(KERN_WARNING "IPMI: BT reset (takes 5 secs)\n"); + bt->state = BT_STATE_RESET1; + return SI_SM_CALL_WITHOUT_DELAY; } - printk(KERN_DEBUG "restart command\n"); - bt->state = BT_STATE_RESTART; + /* Concoct a useful error message, set up the next state, and + be done with this sequence. */ + + bt->state = BT_STATE_IDLE; + switch (cCode) { + case IPMI_TIMEOUT_ERR: + if (status & BT_B_BUSY) { + cCode = IPMI_NODE_BUSY_ERR; + bt->state = BT_STATE_LONG_BUSY; + } + break; + default: + break; + } + force_result(bt, cCode); + return SI_SM_TRANSACTION_COMPLETE; } -/* Check the status and (possibly) advance the BT state machine. The - default return is SI_SM_CALL_WITH_DELAY. */ +/* Check status and (usually) take action and change this state machine. */ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) { - unsigned char status; - char buf[40]; /* For getting status */ + unsigned char status, BT_CAP[8]; + static enum bt_states last_printed = BT_STATE_PRINTME; int i; status = BT_STATUS; bt->nonzero_status |= status; - - if ((bt_debug & BT_DEBUG_STATES) && (bt->state != bt->last_state)) + if ((bt_debug & BT_DEBUG_STATES) && (bt->state != last_printed)) { printk(KERN_WARNING "BT: %s %s TO=%ld - %ld \n", STATE2TXT, - STATUS2TXT(buf), + STATUS2TXT, bt->timeout, time); - bt->last_state = bt->state; + last_printed = bt->state; + } - if (bt->state == BT_STATE_HOSED) - return SI_SM_HOSED; + /* Commands that time out may still (eventually) provide a response. + This stale response will get in the way of a new response so remove + it if possible (hopefully during IDLE). Even if it comes up later + it will be rejected by its (now-forgotten) seq number. */ + + if ((bt->state < BT_STATE_WRITE_BYTES) && (status & BT_B2H_ATN)) { + drain_BMC2HOST(bt); + BT_SI_SM_RETURN(SI_SM_CALL_WITH_DELAY); + } - if (bt->state != BT_STATE_IDLE) { /* do timeout test */ + if ((bt->state != BT_STATE_IDLE) && + (bt->state < BT_STATE_PRINTME)) { /* check timeout */ bt->timeout -= time; - if ((bt->timeout < 0) && (bt->state < BT_STATE_RESET1)) { - error_recovery(bt, "timed out"); - return SI_SM_CALL_WITHOUT_DELAY; - } + if ((bt->timeout < 0) && (bt->state < BT_STATE_RESET1)) + return error_recovery(bt, + status, + IPMI_TIMEOUT_ERR); } switch (bt->state) { - case BT_STATE_IDLE: /* check for asynchronous messages */ + /* Idle state first checks for asynchronous messages from another + channel, then does some opportunistic housekeeping. */ + + case BT_STATE_IDLE: if (status & BT_SMS_ATN) { BT_CONTROL(BT_SMS_ATN); /* clear it */ return SI_SM_ATTN; } - return SI_SM_IDLE; - case BT_STATE_XACTION_START: - if (status & BT_H_BUSY) { + if (status & BT_H_BUSY) /* clear a leftover H_BUSY */ BT_CONTROL(BT_H_BUSY); - break; - } - if (status & BT_B2H_ATN) - break; - bt->state = BT_STATE_WRITE_BYTES; - return SI_SM_CALL_WITHOUT_DELAY; /* for logging */ - case BT_STATE_WRITE_BYTES: + /* Read BT capabilities if it hasn't been done yet */ + if (!bt->BT_CAP_outreqs) + BT_STATE_CHANGE(BT_STATE_CAPABILITIES_BEGIN, + SI_SM_CALL_WITHOUT_DELAY); + bt->timeout = bt->BT_CAP_req2rsp; + BT_SI_SM_RETURN(SI_SM_IDLE); + + case BT_STATE_XACTION_START: if (status & (BT_B_BUSY | BT_H2B_ATN)) - break; + BT_SI_SM_RETURN(SI_SM_CALL_WITH_DELAY); + if (BT_STATUS & BT_H_BUSY) + BT_CONTROL(BT_H_BUSY); /* force clear */ + BT_STATE_CHANGE(BT_STATE_WRITE_BYTES, + SI_SM_CALL_WITHOUT_DELAY); + + case BT_STATE_WRITE_BYTES: + if (status & BT_H_BUSY) + BT_CONTROL(BT_H_BUSY); /* clear */ BT_CONTROL(BT_CLR_WR_PTR); write_all_bytes(bt); - BT_CONTROL(BT_H2B_ATN); /* clears too fast to catch? */ - bt->state = BT_STATE_WRITE_CONSUME; - return SI_SM_CALL_WITHOUT_DELAY; /* it MIGHT sail through */ - - case BT_STATE_WRITE_CONSUME: /* BMCs usually blow right thru here */ - if (status & (BT_H2B_ATN | BT_B_BUSY)) - break; - bt->state = BT_STATE_B2H_WAIT; - /* fall through with status */ - - /* Stay in BT_STATE_B2H_WAIT until a packet matches. However, spinning - hard here, constantly reading status, seems to hold off the - generation of B2H_ATN so ALWAYS return CALL_WITH_DELAY. */ - - case BT_STATE_B2H_WAIT: - if (!(status & BT_B2H_ATN)) - break; - - /* Assume ordered, uncached writes: no need to wait */ - if (!(status & BT_H_BUSY)) - BT_CONTROL(BT_H_BUSY); /* set */ - BT_CONTROL(BT_B2H_ATN); /* clear it, ACK to the BMC */ - BT_CONTROL(BT_CLR_RD_PTR); /* reset the queue */ - i = read_all_bytes(bt); - BT_CONTROL(BT_H_BUSY); /* clear */ - if (!i) /* Try this state again */ - break; - bt->state = BT_STATE_READ_END; - return SI_SM_CALL_WITHOUT_DELAY; /* for logging */ - - case BT_STATE_READ_END: - - /* I could wait on BT_H_BUSY to go clear for a truly clean - exit. However, this is already done in XACTION_START - and the (possible) extra loop/status/possible wait affects - performance. So, as long as it works, just ignore H_BUSY */ - -#ifdef MAKE_THIS_TRUE_IF_NECESSARY + BT_CONTROL(BT_H2B_ATN); /* can clear too fast to catch */ + BT_STATE_CHANGE(BT_STATE_WRITE_CONSUME, + SI_SM_CALL_WITHOUT_DELAY); - if (status & BT_H_BUSY) - break; -#endif - bt->seq++; - bt->state = BT_STATE_IDLE; - return SI_SM_TRANSACTION_COMPLETE; + case BT_STATE_WRITE_CONSUME: + if (status & (BT_B_BUSY | BT_H2B_ATN)) + BT_SI_SM_RETURN(SI_SM_CALL_WITH_DELAY); + BT_STATE_CHANGE(BT_STATE_READ_WAIT, + SI_SM_CALL_WITHOUT_DELAY); + + /* Spinning hard can suppress B2H_ATN and force a timeout */ + + case BT_STATE_READ_WAIT: + if (!(status & BT_B2H_ATN)) + BT_SI_SM_RETURN(SI_SM_CALL_WITH_DELAY); + BT_CONTROL(BT_H_BUSY); /* set */ + + /* Uncached, ordered writes should just proceeed serially but + some BMCs don't clear B2H_ATN with one hit. Fast-path a + workaround without too much penalty to the general case. */ + + BT_CONTROL(BT_B2H_ATN); /* clear it to ACK the BMC */ + BT_STATE_CHANGE(BT_STATE_CLEAR_B2H, + SI_SM_CALL_WITHOUT_DELAY); + + case BT_STATE_CLEAR_B2H: + if (status & BT_B2H_ATN) { /* keep hitting it */ + BT_CONTROL(BT_B2H_ATN); + BT_SI_SM_RETURN(SI_SM_CALL_WITH_DELAY); + } + BT_STATE_CHANGE(BT_STATE_READ_BYTES, + SI_SM_CALL_WITHOUT_DELAY); + + case BT_STATE_READ_BYTES: + if (!(status & BT_H_BUSY)) /* check in case of retry */ + BT_CONTROL(BT_H_BUSY); + BT_CONTROL(BT_CLR_RD_PTR); /* start of BMC2HOST buffer */ + i = read_all_bytes(bt); /* true == packet seq match */ + BT_CONTROL(BT_H_BUSY); /* NOW clear */ + if (!i) /* Not my message */ + BT_STATE_CHANGE(BT_STATE_READ_WAIT, + SI_SM_CALL_WITHOUT_DELAY); + bt->state = bt->complete; + return bt->state == BT_STATE_IDLE ? /* where to next? */ + SI_SM_TRANSACTION_COMPLETE : /* normal */ + SI_SM_CALL_WITHOUT_DELAY; /* Startup magic */ + + case BT_STATE_LONG_BUSY: /* For example: after FW update */ + if (!(status & BT_B_BUSY)) { + reset_flags(bt); /* next state is now IDLE */ + bt_init_data(bt, bt->io); + } + return SI_SM_CALL_WITH_DELAY; /* No repeat printing */ case BT_STATE_RESET1: - reset_flags(bt); - bt->timeout = BT_RESET_DELAY; - bt->state = BT_STATE_RESET2; - break; + reset_flags(bt); + drain_BMC2HOST(bt); + BT_STATE_CHANGE(BT_STATE_RESET2, + SI_SM_CALL_WITH_DELAY); case BT_STATE_RESET2: /* Send a soft reset */ BT_CONTROL(BT_CLR_WR_PTR); @@ -464,29 +579,59 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) HOST2BMC(42); /* Sequence number */ HOST2BMC(3); /* Cmd == Soft reset */ BT_CONTROL(BT_H2B_ATN); - bt->state = BT_STATE_RESET3; - break; + bt->timeout = BT_RESET_DELAY * 1000000; + BT_STATE_CHANGE(BT_STATE_RESET3, + SI_SM_CALL_WITH_DELAY); - case BT_STATE_RESET3: + case BT_STATE_RESET3: /* Hold off everything for a bit */ if (bt->timeout > 0) - return SI_SM_CALL_WITH_DELAY; - bt->state = BT_STATE_RESTART; /* printk in debug modes */ - break; + return SI_SM_CALL_WITH_DELAY; + drain_BMC2HOST(bt); + BT_STATE_CHANGE(BT_STATE_RESTART, + SI_SM_CALL_WITH_DELAY); - case BT_STATE_RESTART: /* don't reset retries! */ - reset_flags(bt); - bt->write_data[2] = ++bt->seq; + case BT_STATE_RESTART: /* don't reset retries or seq! */ bt->read_count = 0; bt->nonzero_status = 0; - bt->timeout = BT_NORMAL_TIMEOUT; - bt->state = BT_STATE_XACTION_START; - break; - - default: /* HOSED is supposed to be caught much earlier */ - error_recovery(bt, "internal logic error"); - break; - } - return SI_SM_CALL_WITH_DELAY; + bt->timeout = bt->BT_CAP_req2rsp; + BT_STATE_CHANGE(BT_STATE_XACTION_START, + SI_SM_CALL_WITH_DELAY); + + /* Get BT Capabilities, using timing of upper level state machine. + Set outreqs to prevent infinite loop on timeout. */ + case BT_STATE_CAPABILITIES_BEGIN: + bt->BT_CAP_outreqs = 1; + { + unsigned char GetBT_CAP[] = { 0x18, 0x36 }; + bt->state = BT_STATE_IDLE; + bt_start_transaction(bt, GetBT_CAP, sizeof(GetBT_CAP)); + } + bt->complete = BT_STATE_CAPABILITIES_END; + BT_STATE_CHANGE(BT_STATE_XACTION_START, + SI_SM_CALL_WITH_DELAY); + + case BT_STATE_CAPABILITIES_END: + i = bt_get_result(bt, BT_CAP, sizeof(BT_CAP)); + bt_init_data(bt, bt->io); + if ((i == 8) && !BT_CAP[2]) { + bt->BT_CAP_outreqs = BT_CAP[3]; + bt->BT_CAP_req2rsp = BT_CAP[6] * 1000000; + bt->BT_CAP_retries = BT_CAP[7]; + } else + printk(KERN_WARNING "IPMI BT: using default values\n"); + if (!bt->BT_CAP_outreqs) + bt->BT_CAP_outreqs = 1; + printk(KERN_WARNING "IPMI BT: req2rsp=%ld secs retries=%d\n", + bt->BT_CAP_req2rsp / 1000000L, bt->BT_CAP_retries); + bt->timeout = bt->BT_CAP_req2rsp; + return SI_SM_CALL_WITHOUT_DELAY; + + default: /* should never occur */ + return error_recovery(bt, + status, + IPMI_ERR_UNSPECIFIED); + } + return SI_SM_CALL_WITH_DELAY; } static int bt_detect(struct si_sm_data *bt) @@ -497,7 +642,7 @@ static int bt_detect(struct si_sm_data *bt) test that first. The calling routine uses negative logic. */ if ((BT_STATUS == 0xFF) && (BT_INTMASK_R == 0xFF)) - return 1; + return 1; reset_flags(bt); return 0; } @@ -513,11 +658,11 @@ static int bt_size(void) struct si_sm_handlers bt_smi_handlers = { - .init_data = bt_init_data, - .start_transaction = bt_start_transaction, - .get_result = bt_get_result, - .event = bt_event, - .detect = bt_detect, - .cleanup = bt_cleanup, - .size = bt_size, + .init_data = bt_init_data, + .start_transaction = bt_start_transaction, + .get_result = bt_get_result, + .event = bt_event, + .detect = bt_detect, + .cleanup = bt_cleanup, + .size = bt_size, }; diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index 2062675f9e9..fb46979567e 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -261,12 +261,14 @@ static int start_kcs_transaction(struct si_sm_data *kcs, unsigned char *data, { unsigned int i; - if ((size < 2) || (size > MAX_KCS_WRITE_SIZE)) { - return -1; - } - if ((kcs->state != KCS_IDLE) && (kcs->state != KCS_HOSED)) { - return -2; - } + if (size < 2) + return IPMI_REQ_LEN_INVALID_ERR; + if (size > MAX_KCS_WRITE_SIZE) + return IPMI_REQ_LEN_EXCEEDED_ERR; + + if ((kcs->state != KCS_IDLE) && (kcs->state != KCS_HOSED)) + return IPMI_NOT_IN_MY_STATE_ERR; + if (kcs_debug & KCS_DEBUG_MSG) { printk(KERN_DEBUG "start_kcs_transaction -"); for (i = 0; i < size; i ++) { diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index c7de2e86a6d..81a0c89598e 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -247,14 +247,18 @@ static void deliver_recv_msg(struct smi_info *smi_info, spin_lock(&(smi_info->si_lock)); } -static void return_hosed_msg(struct smi_info *smi_info) +static void return_hosed_msg(struct smi_info *smi_info, int cCode) { struct ipmi_smi_msg *msg = smi_info->curr_msg; + if (cCode < 0 || cCode > IPMI_ERR_UNSPECIFIED) + cCode = IPMI_ERR_UNSPECIFIED; + /* else use it as is */ + /* Make it a reponse */ msg->rsp[0] = msg->data[0] | 4; msg->rsp[1] = msg->data[1]; - msg->rsp[2] = IPMI_ERR_UNSPECIFIED; + msg->rsp[2] = cCode; msg->rsp_size = 3; smi_info->curr_msg = NULL; @@ -305,7 +309,7 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info) smi_info->curr_msg->data, smi_info->curr_msg->data_size); if (err) { - return_hosed_msg(smi_info); + return_hosed_msg(smi_info, err); } rv = SI_SM_CALL_WITHOUT_DELAY; @@ -647,7 +651,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, /* If we were handling a user message, format a response to send to the upper layer to tell it about the error. */ - return_hosed_msg(smi_info); + return_hosed_msg(smi_info, IPMI_ERR_UNSPECIFIED); } si_sm_result = smi_info->handlers->event(smi_info->si_sm, 0); } diff --git a/drivers/char/ipmi/ipmi_smic_sm.c b/drivers/char/ipmi/ipmi_smic_sm.c index 39d7e5ef1a2..e64ea7d25d2 100644 --- a/drivers/char/ipmi/ipmi_smic_sm.c +++ b/drivers/char/ipmi/ipmi_smic_sm.c @@ -141,12 +141,14 @@ static int start_smic_transaction(struct si_sm_data *smic, { unsigned int i; - if ((size < 2) || (size > MAX_SMIC_WRITE_SIZE)) { - return -1; - } - if ((smic->state != SMIC_IDLE) && (smic->state != SMIC_HOSED)) { - return -2; - } + if (size < 2) + return IPMI_REQ_LEN_INVALID_ERR; + if (size > MAX_SMIC_WRITE_SIZE) + return IPMI_REQ_LEN_EXCEEDED_ERR; + + if ((smic->state != SMIC_IDLE) && (smic->state != SMIC_HOSED)) + return IPMI_NOT_IN_MY_STATE_ERR; + if (smic_debug & SMIC_DEBUG_MSG) { printk(KERN_INFO "start_smic_transaction -"); for (i = 0; i < size; i ++) { -- cgit v1.2.3 From 5a1099baa86c17c521859f417c4c1353d0ae9096 Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Wed, 6 Dec 2006 20:41:16 -0800 Subject: [PATCH] IPMI: increase KCS message size Increase the maximum message size a KCS interface supports to the maximum message size the rest of the driver supports. Some systems really support messages this big. Signed-off-by: Corey Minyard Cc: Patrick Schoeller Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_kcs_sm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index fb46979567e..c1b8228cb7b 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -93,8 +93,8 @@ enum kcs_states { state machine. */ }; -#define MAX_KCS_READ_SIZE 80 -#define MAX_KCS_WRITE_SIZE 80 +#define MAX_KCS_READ_SIZE IPMI_MAX_MSG_LENGTH +#define MAX_KCS_WRITE_SIZE IPMI_MAX_MSG_LENGTH /* Timeouts in microseconds. */ #define IBF_RETRY_TIMEOUT 1000000 -- cgit v1.2.3 From 1aa16eeacd6f10c202da1cf0cff5c81107dac942 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 6 Dec 2006 20:41:20 -0800 Subject: [PATCH] IPMI: fix PROC_FS=n warnings Fix build warnings for PROC_FS=n. drivers/char/ipmi/ipmi_poweroff.c:707: warning: label 'out_err' defined but not used drivers/char/ipmi/ipmi_msghandler.c:1774: warning: 'ipmb_file_read_proc' defined but not used drivers/char/ipmi/ipmi_msghandler.c:1790: warning: 'version_file_read_proc' defined but not used drivers/char/ipmi/ipmi_msghandler.c:1801: warning: 'stat_file_read_proc' defined but not used Signed-off-by: Randy Dunlap Cc: Corey Minyard Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/ipmi/ipmi_msghandler.c | 2 ++ drivers/char/ipmi/ipmi_poweroff.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index ff0e68f0386..5703ee28e1c 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -1769,6 +1769,7 @@ int ipmi_request_supply_msgs(ipmi_user_t user, -1, 0); } +#ifdef CONFIG_PROC_FS static int ipmb_file_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { @@ -1857,6 +1858,7 @@ static int stat_file_read_proc(char *page, char **start, off_t off, return (out - ((char *) page)); } +#endif /* CONFIG_PROC_FS */ int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name, read_proc_t *read_proc, write_proc_t *write_proc, diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 8ce447ab6de..597eb4f88b8 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -702,9 +702,9 @@ static int ipmi_poweroff_init (void) printk(KERN_ERR PFX "Unable to register SMI watcher: %d\n", rv); goto out_err; } -#endif out_err: +#endif return rv; } -- cgit v1.2.3 From 285f5fa7e9a35e75d9022f9b036ed709721c5cdf Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 7 Dec 2006 02:59:39 +0100 Subject: [ARM] 3995/1: iop13xx: add iop13xx support The iop348 processor integrates an Xscale (XSC3 512KB L2 Cache) core with a Serial Attached SCSI (SAS) controller, multi-ported DDR2 memory controller, 3 Application Direct Memory Access (DMA) controllers, a 133Mhz PCI-X interface, a x8 PCI-Express interface, and other peripherals to form a system-on-a-chip RAID subsystem engine. The iop342 processor replaces the SAS controller with a second Xscale core for dual core embedded applications. The iop341 processor is the single core version of iop342. This patch supports the two Intel customer reference platforms iq81340mc for external storage and iq81340sc for direct attach (HBA) development. The developer's manual is available here: ftp://download.intel.com/design/iio/docs/31503701.pdf Changelog: * removed virtual addresses from resource definitions * cleaned up some unnecessary #include's Signed-off-by: Dan Williams Signed-off-by: Russell King --- drivers/i2c/busses/Kconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 510816c16da..5cbf8b9d514 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -195,11 +195,11 @@ config I2C_IBM_IIC will be called i2c-ibm_iic. config I2C_IOP3XX - tristate "Intel IOP3xx and IXP4xx on-chip I2C interface" - depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX) && I2C + tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" + depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX) && I2C help Say Y here if you want to use the IIC bus controller on - the Intel IOP3xx I/O Processors or IXP4xx Network Processors. + the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. This driver can also be built as a module. If so, the module will be called i2c-iop3xx. -- cgit v1.2.3 From 68380b581383c028830f79ec2670f4a193854aa6 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Thu, 7 Dec 2006 09:28:19 -0800 Subject: Add "run_scheduled_work()" workqueue function This allows workqueue users to run just their own pending work, rather than wait for the whole workqueue to finish running. This solves the deadlock with networking libphy that was due to other workqueue entries possibly needing a lock that was held by the routine that wanted to flush its own work. It's not wonderful: if you absolutely need to synchronize with the work function having been executed, any user strictly speaking should have its own completion tracking logic, since when we run things explicitly by hand, the generic workqueue layer can no longer help us synchronize. Also, this is strictly only usable for work that has been scheduled without any delayed timers. You can not mix the new interface with schedule_delayed_work(). But it's better than what we had currently. Acked-by: Maciej W. Rozycki Signed-off-by: Linus Torvalds --- drivers/net/phy/phy.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 4044bb1ada8..e175f3910b1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -587,8 +587,7 @@ int phy_stop_interrupts(struct phy_device *phydev) * Finish any pending work; we might have been scheduled * to be called from keventd ourselves, though. */ - if (!current_is_keventd()) - flush_scheduled_work(); + run_scheduled_work(&phydev->phy_queue); free_irq(phydev->irq, phydev); -- cgit v1.2.3 From 0e930f437eab6db6de5e3f0efbf10dafffca401a Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 8 Sep 2006 01:30:04 +0200 Subject: ieee1394: remove unused struct member from highlevel API struct hpsb_highlevel's struct module *owner is neither used by the IEEE 1394 core nor set by any of the in-tree drivers or the two out-of-tree highlevel drivers I know about (dfg1394, mem1394) --- nor is this member documented. An unscheduled removal seems acceptable. Signed-off-by: Stefan Richter --- drivers/ieee1394/highlevel.h | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h index 50f2dd2c7e2..4b330117067 100644 --- a/drivers/ieee1394/highlevel.h +++ b/drivers/ieee1394/highlevel.h @@ -24,7 +24,6 @@ struct hpsb_address_serve { /* Only the following structures are of interest to actual highlevel drivers. */ struct hpsb_highlevel { - struct module *owner; const char *name; /* Any of the following pointers can legally be NULL, except for -- cgit v1.2.3 From 23077f1d72d279244536f11db51258fc4759c81a Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Mon, 11 Sep 2006 20:17:14 +0200 Subject: ieee1394: sbp2: slightly reorder sbp2scsi_abort Put the target's fetch agent into reset state before the underlying ORB DMA is unmapped and the ->done handler is called. It is highly unlikely but the target could access that ORB right before sbp2 sends the reset request. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index cd156d4e779..e5ba55bbd93 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2564,11 +2564,9 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) scsi_print_command(SCpnt); if (sbp2util_node_is_available(scsi_id)) { + sbp2_agent_reset(scsi_id, 1); - /* - * Right now, just return any matching command structures - * to the free pool. - */ + /* Return a matching command structure to the free pool. */ spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt); if (command) { @@ -2589,10 +2587,6 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) } spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); - /* - * Initiate a fetch agent reset. - */ - sbp2_agent_reset(scsi_id, 1); sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); } -- cgit v1.2.3 From f9edc4f5c1dd9fab5ceedd69e77d20e508e41e8d Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 14 Sep 2006 22:06:48 +0200 Subject: ieee1394: raw1394: add comments on lock usage Add a who-is-who about some locks and list heads in raw1394's struct definitions. Signed-off-by: Stefan Richter --- drivers/ieee1394/raw1394-private.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/raw1394-private.h b/drivers/ieee1394/raw1394-private.h index c7731d1bcd8..50daabf6e5f 100644 --- a/drivers/ieee1394/raw1394-private.h +++ b/drivers/ieee1394/raw1394-private.h @@ -27,12 +27,12 @@ struct file_info { struct hpsb_host *host; - struct list_head req_pending; - struct list_head req_complete; + struct list_head req_pending; /* protected by reqlists_lock */ + struct list_head req_complete; /* protected by reqlists_lock */ spinlock_t reqlists_lock; wait_queue_head_t wait_complete; - struct list_head addr_list; + struct list_head addr_list; /* protected by host_info_lock */ u8 __user *fcp_buffer; @@ -63,7 +63,7 @@ struct arm_addr { u8 client_transactions; u64 recvb; u16 rec_length; - u8 *addr_space_buffer; /* accessed by read/write/lock */ + u8 *addr_space_buffer; /* accessed by read/write/lock requests */ }; struct pending_request { @@ -79,7 +79,7 @@ struct pending_request { struct host_info { struct list_head list; struct hpsb_host *host; - struct list_head file_info_list; + struct list_head file_info_list; /* protected by host_info_lock */ }; #endif /* IEEE1394_RAW1394_PRIVATE_H */ -- cgit v1.2.3 From f011bf085cd41ee40c2c8e530f801ac6cb6e00d0 Mon Sep 17 00:00:00 2001 From: Bernhard Kaindl Date: Wed, 6 Sep 2006 14:58:30 +0200 Subject: ohci1394: steps to implement suspend/resume I did a quick shot on what I described and the appended patch does the first thing needed for working suspend/resume in ohci1394 which is HW de- and re-initialisation. It works with suspend2disk on my Ricoh R5C552 IEEE 1394 Controller with the 2.6.17 kernel to the extent that if I call dvgrab --interactive after suspend2disk without unloading ohci1394, it does not lock up dvgrab with 100% CPU but properly connects to the camera, given that I first unplug and plug the camera after coming back from suspend. I guess that could be fixed by forcing a bus reset in the resume function. I cannot test suspend to RAM here at the moment and should follow the guidelines in Documentation/power/pci.txt also, so this is rather a quick report than a finished patch and there are some rough edges: However, with this patch, I have to unload at least some in-kernel users of ohci1394 like dv1394 or video1394 before suspending. Not doing that caused an Oops and a bad tasklet error, probably from not handling ISO tasklets during suspend/resume properly. Maybe these can be temporarily cleared or unregistered and re-registered for suspend/resume with help from the other layers or from the highlevel 1394 core, but I do not really know what these do. But this patch provides a useful base to start from and is already of much help for people which do not need dv1394 and video1394 or can unload them at least during suspend. I cannot test function with sbp2 at the moment, but raw1394 seems to work fine. Signed-off-by: Bernhard Kaindl Update 1: merge with previous two ohci1394 suspend/resume patches Update 2: version for application on top of Linux 2.6.19-rc4 Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 92 ++++++++++++++++++++++++++++++++++++++------- 1 file changed, 78 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index eae97d8dcf0..b98b9934b92 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3531,6 +3531,9 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) #ifdef CONFIG_PM static int ohci1394_pci_resume (struct pci_dev *pdev) { + int err; + struct ti_ohci *ohci; + /* PowerMac resume code comes first */ #ifdef CONFIG_PPC_PMAC if (machine_is(powermac)) { @@ -3545,28 +3548,89 @@ static int ohci1394_pci_resume (struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - return pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) + return err; + + ohci = pci_get_drvdata(pdev); + if (!ohci) + return -1; /* or which exit status to use? */ + + PRINT(KERN_DEBUG, "resume called"); + + /* The following lines are copied from ohci1394_pci_probe(): */ + + /* Start off with a soft reset, to clear everything to a sane + * state. */ + ohci_soft_reset(ohci); + + /* Now enable LPS, which we need in order to start accessing + * most of the registers. In fact, on some cards (ALI M5251), + * accessing registers in the SClk domain without LPS enabled + * will lock up the machine. Wait 50msec to make sure we have + * full link enabled. */ + reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS); + + /* Disable and clear interrupts */ + reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); + reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); + + mdelay(50); + + ohci_initialize(ohci); + + return 0; } static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) { int err; + struct ti_ohci *ohci; + + ohci = pci_get_drvdata(pdev); + if (!ohci) + return -1; /* Not sure if this is the correct return code */ + + PRINT(KERN_DEBUG, "suspend called"); + + /* clear the async DMA contexts and stop using the controller: */ + hpsb_bus_reset(ohci->host); + + /* The following calls are from ohci1394_pci_remove(): */ - printk(KERN_INFO "%s does not fully support suspend and resume yet\n", - OHCI1394_DRIVER_NAME); + /* Clear out BUS Options */ + reg_write(ohci, OHCI1394_ConfigROMhdr, 0); + reg_write(ohci, OHCI1394_BusOptions, + (reg_read(ohci, OHCI1394_BusOptions) & 0x0000f007) | + 0x00ff0000); + + /* Clear interrupt registers */ + reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); + reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); + reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, 0xffffffff); + reg_write(ohci, OHCI1394_IsoXmitIntEventClear, 0xffffffff); + reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, 0xffffffff); + reg_write(ohci, OHCI1394_IsoRecvIntEventClear, 0xffffffff); + + /* Disable IRM Contender */ + set_phy_reg(ohci, 4, ~0xc0 & get_phy_reg(ohci, 4)); + + /* Clear link control register */ + reg_write(ohci, OHCI1394_LinkControlClear, 0xffffffff); + + /* Let all other nodes know to ignore us */ + ohci_devctl(ohci->host, RESET_BUS, LONG_RESET_NO_FORCE_ROOT); + + /* This stops all DMA contexts, disables interrupts, + * and clears linkEnable and LPS: */ + ohci_soft_reset(ohci); err = pci_save_state(pdev); - if (err) { - printk(KERN_ERR "%s: pci_save_state failed with %d\n", - OHCI1394_DRIVER_NAME, err); - return err; - } + if (err) + goto out; err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); -#ifdef OHCI1394_DEBUG if (err) - printk(KERN_DEBUG "%s: pci_set_power_state failed with %d\n", - OHCI1394_DRIVER_NAME, err); -#endif /* OHCI1394_DEBUG */ + goto out; /* PowerMac suspend code comes last */ #ifdef CONFIG_PPC_PMAC @@ -3579,8 +3643,8 @@ static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); } #endif /* CONFIG_PPC_PMAC */ - - return 0; +out: + return err; } #endif /* CONFIG_PM */ -- cgit v1.2.3 From da256c55373cbc45e30f868e0bddb81ddc4067bf Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 24 Sep 2006 11:01:00 +0200 Subject: ieee1394: ohci1394: suspend/resume cosmetics Reorder the definitions of ohci1394_pci_suspend and _resume. Remove redundant comments. Beautify return statements. Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 126 +++++++++++++++++--------------------------- 1 file changed, 48 insertions(+), 78 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index b98b9934b92..a12802553b4 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3529,108 +3529,40 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) } #ifdef CONFIG_PM -static int ohci1394_pci_resume (struct pci_dev *pdev) +static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) { int err; - struct ti_ohci *ohci; - -/* PowerMac resume code comes first */ -#ifdef CONFIG_PPC_PMAC - if (machine_is(powermac)) { - struct device_node *of_node; - - /* Re-enable 1394 */ - of_node = pci_device_to_OF_node (pdev); - if (of_node) - pmac_call_feature (PMAC_FTR_1394_ENABLE, of_node, 0, 1); - } -#endif /* CONFIG_PPC_PMAC */ - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - err = pci_enable_device(pdev); - if (err) - return err; - - ohci = pci_get_drvdata(pdev); - if (!ohci) - return -1; /* or which exit status to use? */ - - PRINT(KERN_DEBUG, "resume called"); - - /* The following lines are copied from ohci1394_pci_probe(): */ - - /* Start off with a soft reset, to clear everything to a sane - * state. */ - ohci_soft_reset(ohci); - - /* Now enable LPS, which we need in order to start accessing - * most of the registers. In fact, on some cards (ALI M5251), - * accessing registers in the SClk domain without LPS enabled - * will lock up the machine. Wait 50msec to make sure we have - * full link enabled. */ - reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS); - - /* Disable and clear interrupts */ - reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); - reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); - - mdelay(50); - - ohci_initialize(ohci); - - return 0; -} - -static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) -{ - int err; - struct ti_ohci *ohci; - - ohci = pci_get_drvdata(pdev); - if (!ohci) - return -1; /* Not sure if this is the correct return code */ + struct ti_ohci *ohci = pci_get_drvdata(pdev); PRINT(KERN_DEBUG, "suspend called"); + if (!ohci) + return -ENXIO; - /* clear the async DMA contexts and stop using the controller: */ + /* Clear the async DMA contexts and stop using the controller */ hpsb_bus_reset(ohci->host); - /* The following calls are from ohci1394_pci_remove(): */ - - /* Clear out BUS Options */ + /* See ohci1394_pci_remove() for comments on this sequence */ reg_write(ohci, OHCI1394_ConfigROMhdr, 0); reg_write(ohci, OHCI1394_BusOptions, (reg_read(ohci, OHCI1394_BusOptions) & 0x0000f007) | 0x00ff0000); - - /* Clear interrupt registers */ reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, 0xffffffff); reg_write(ohci, OHCI1394_IsoXmitIntEventClear, 0xffffffff); reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, 0xffffffff); reg_write(ohci, OHCI1394_IsoRecvIntEventClear, 0xffffffff); - - /* Disable IRM Contender */ set_phy_reg(ohci, 4, ~0xc0 & get_phy_reg(ohci, 4)); - - /* Clear link control register */ reg_write(ohci, OHCI1394_LinkControlClear, 0xffffffff); - - /* Let all other nodes know to ignore us */ ohci_devctl(ohci->host, RESET_BUS, LONG_RESET_NO_FORCE_ROOT); - - /* This stops all DMA contexts, disables interrupts, - * and clears linkEnable and LPS: */ ohci_soft_reset(ohci); err = pci_save_state(pdev); if (err) - goto out; + return err; err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); if (err) - goto out; + return err; /* PowerMac suspend code comes last */ #ifdef CONFIG_PPC_PMAC @@ -3643,8 +3575,46 @@ static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); } #endif /* CONFIG_PPC_PMAC */ -out: - return err; + + return 0; +} + +static int ohci1394_pci_resume(struct pci_dev *pdev) +{ + int err; + struct ti_ohci *ohci = pci_get_drvdata(pdev); + + PRINT(KERN_DEBUG, "resume called"); + if (!ohci) + return -ENXIO; + +/* PowerMac resume code comes first */ +#ifdef CONFIG_PPC_PMAC + if (machine_is(powermac)) { + struct device_node *of_node; + + /* Re-enable 1394 */ + of_node = pci_device_to_OF_node (pdev); + if (of_node) + pmac_call_feature (PMAC_FTR_1394_ENABLE, of_node, 0, 1); + } +#endif /* CONFIG_PPC_PMAC */ + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + err = pci_enable_device(pdev); + if (err) + return err; + + /* See ohci1394_pci_probe() for comments on this sequence */ + ohci_soft_reset(ohci); + reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS); + reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); + reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); + mdelay(50); + ohci_initialize(ohci); + + return 0; } #endif /* CONFIG_PM */ -- cgit v1.2.3 From b63d4fe95f29b6cadffcee8cdabd8435e8560cde Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 8 Oct 2006 11:45:13 +0200 Subject: ieee1394: usecs_to_jiffies takes unsigned int argument Signed-off-by: Stefan Richter --- drivers/ieee1394/csr.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/csr.c b/drivers/ieee1394/csr.c index ab0c80f61b9..52ac83e0ebe 100644 --- a/drivers/ieee1394/csr.c +++ b/drivers/ieee1394/csr.c @@ -158,12 +158,10 @@ static void host_reset(struct hpsb_host *host) */ static inline void calculate_expire(struct csr_control *csr) { - unsigned long usecs = - (csr->split_timeout_hi & 0x07) * USEC_PER_SEC + - (csr->split_timeout_lo >> 19) * 125L; - - csr->expire = usecs_to_jiffies(usecs > 100000L ? usecs : 100000L); + unsigned int usecs = (csr->split_timeout_hi & 7) * 1000000 + + (csr->split_timeout_lo >> 19) * 125; + csr->expire = usecs_to_jiffies(usecs > 100000 ? usecs : 100000); HPSB_VERBOSE("CSR: setting expire to %lu, HZ=%u", csr->expire, HZ); } -- cgit v1.2.3 From 5c37dcbe138ed3239c5e8b6c2626ce773a7cea2e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 10 Oct 2006 21:11:43 +0200 Subject: ieee1394: lock smaller region by host_num_alloc mutex We need the mutex only around the iteration over existing hosts. Signed-off-by: Stefan Richter --- drivers/ieee1394/hosts.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index b935e08695a..25573bad81e 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -157,10 +157,9 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, h->speed_map = (u8 *)(h->csr.speed_map + 2); mutex_lock(&host_num_alloc); - while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb)) hostnum++; - + mutex_unlock(&host_num_alloc); h->id = hostnum; memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device)); @@ -175,8 +174,6 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, class_device_register(&h->class_dev); get_device(&h->device); - mutex_unlock(&host_num_alloc); - return h; } -- cgit v1.2.3 From 1ed891c6d49e97ebd3305d8c6213246a14f0800f Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 10 Oct 2006 21:12:39 +0200 Subject: ieee1394: coding style in hosts.c Some 80-columns pedantry, and touch up of a // comment. Signed-off-by: Stefan Richter --- drivers/ieee1394/hosts.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index 25573bad81e..fbf17cfe79b 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -44,9 +44,10 @@ static void delayed_reset_bus(struct work_struct *work) CSR_SET_BUS_INFO_GENERATION(host->csr.rom, generation); if (csr1212_generate_csr_image(host->csr.rom) != CSR1212_SUCCESS) { - /* CSR image creation failed, reset generation field and do not - * issue a bus reset. */ - CSR_SET_BUS_INFO_GENERATION(host->csr.rom, host->csr.generation); + /* CSR image creation failed. + * Reset generation field and do not issue a bus reset. */ + CSR_SET_BUS_INFO_GENERATION(host->csr.rom, + host->csr.generation); return; } @@ -54,7 +55,8 @@ static void delayed_reset_bus(struct work_struct *work) host->update_config_rom = 0; if (host->driver->set_hw_config_rom) - host->driver->set_hw_config_rom(host, host->csr.rom->bus_info_data); + host->driver->set_hw_config_rom(host, + host->csr.rom->bus_info_data); host->csr.gen_timestamp[host->csr.generation] = jiffies; hpsb_reset_bus(host, SHORT_RESET); @@ -70,7 +72,8 @@ static int dummy_devctl(struct hpsb_host *h, enum devctl_cmd c, int arg) return -1; } -static int dummy_isoctl(struct hpsb_iso *iso, enum isoctl_cmd command, unsigned long arg) +static int dummy_isoctl(struct hpsb_iso *iso, enum isoctl_cmd command, + unsigned long arg) { return -1; } @@ -151,7 +154,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, init_timer(&h->timeout); h->timeout.data = (unsigned long) h; h->timeout.function = abort_timedouts; - h->timeout_interval = HZ / 20; // 50ms by default + h->timeout_interval = HZ / 20; /* 50ms, half of minimum SPLIT_TIMEOUT */ h->topology_map = h->csr.topology_map + 3; h->speed_map = (u8 *)(h->csr.speed_map + 2); @@ -226,7 +229,8 @@ int hpsb_update_config_rom_image(struct hpsb_host *host) if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ)) /* Wait 60 seconds from the last time this generation number was * used. */ - reset_delay = (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies; + reset_delay = + (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies; else /* Wait 1 second in case some other code wants to change the * Config ROM in the near future. */ -- cgit v1.2.3 From c1c9c7cd9f33ad6ff4407638060fe2730560bd56 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 10 Oct 2006 21:19:21 +0200 Subject: ieee1394: handle sysfs errors Handle driver core errors with as much care as appropriate. Signed-off-by: Stefan Richter --- drivers/ieee1394/hosts.c | 18 ++++-- drivers/ieee1394/nodemgr.c | 149 ++++++++++++++++++++++++++++++++------------- 2 files changed, 118 insertions(+), 49 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index fbf17cfe79b..ee82a5320bf 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -131,10 +131,8 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, return NULL; h->csr.rom = csr1212_create_csr(&csr_bus_ops, CSR_BUS_INFO_SIZE, h); - if (!h->csr.rom) { - kfree(h); - return NULL; - } + if (!h->csr.rom) + goto fail; h->hostdata = h + 1; h->driver = drv; @@ -173,11 +171,19 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, h->class_dev.class = &hpsb_host_class; snprintf(h->class_dev.class_id, BUS_ID_SIZE, "fw-host%d", h->id); - device_register(&h->device); - class_device_register(&h->class_dev); + if (device_register(&h->device)) + goto fail; + if (class_device_register(&h->class_dev)) { + device_unregister(&h->device); + goto fail; + } get_device(&h->device); return h; + +fail: + kfree(h); + return NULL; } int hpsb_add_host(struct hpsb_host *host) diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index e829c9336b3..e95fe400e04 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -413,11 +413,14 @@ static ssize_t fw_get_destroy_node(struct bus_type *bus, char *buf) static BUS_ATTR(destroy_node, S_IWUSR | S_IRUGO, fw_get_destroy_node, fw_set_destroy_node); -static ssize_t fw_set_rescan(struct bus_type *bus, const char *buf, size_t count) +static ssize_t fw_set_rescan(struct bus_type *bus, const char *buf, + size_t count) { + int error = 0; + if (simple_strtoul(buf, NULL, 10) == 1) - bus_rescan_devices(&ieee1394_bus_type); - return count; + error = bus_rescan_devices(&ieee1394_bus_type); + return error ? error : count; } static ssize_t fw_get_rescan(struct bus_type *bus, char *buf) { @@ -583,7 +586,11 @@ static void nodemgr_create_drv_files(struct hpsb_protocol_driver *driver) int i; for (i = 0; i < ARRAY_SIZE(fw_drv_attrs); i++) - driver_create_file(drv, fw_drv_attrs[i]); + if (driver_create_file(drv, fw_drv_attrs[i])) + goto fail; + return; +fail: + HPSB_ERR("Failed to add sysfs attribute for driver %s", driver->name); } @@ -603,7 +610,12 @@ static void nodemgr_create_ne_dev_files(struct node_entry *ne) int i; for (i = 0; i < ARRAY_SIZE(fw_ne_attrs); i++) - device_create_file(dev, fw_ne_attrs[i]); + if (device_create_file(dev, fw_ne_attrs[i])) + goto fail; + return; +fail: + HPSB_ERR("Failed to add sysfs attribute for node %016Lx", + (unsigned long long)ne->guid); } @@ -613,11 +625,16 @@ static void nodemgr_create_host_dev_files(struct hpsb_host *host) int i; for (i = 0; i < ARRAY_SIZE(fw_host_attrs); i++) - device_create_file(dev, fw_host_attrs[i]); + if (device_create_file(dev, fw_host_attrs[i])) + goto fail; + return; +fail: + HPSB_ERR("Failed to add sysfs attribute for host %d", host->id); } -static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t nodeid); +static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, + nodeid_t nodeid); static void nodemgr_update_host_dev_links(struct hpsb_host *host) { @@ -628,12 +645,18 @@ static void nodemgr_update_host_dev_links(struct hpsb_host *host) sysfs_remove_link(&dev->kobj, "busmgr_id"); sysfs_remove_link(&dev->kobj, "host_id"); - if ((ne = find_entry_by_nodeid(host, host->irm_id))) - sysfs_create_link(&dev->kobj, &ne->device.kobj, "irm_id"); - if ((ne = find_entry_by_nodeid(host, host->busmgr_id))) - sysfs_create_link(&dev->kobj, &ne->device.kobj, "busmgr_id"); - if ((ne = find_entry_by_nodeid(host, host->node_id))) - sysfs_create_link(&dev->kobj, &ne->device.kobj, "host_id"); + if ((ne = find_entry_by_nodeid(host, host->irm_id)) && + sysfs_create_link(&dev->kobj, &ne->device.kobj, "irm_id")) + goto fail; + if ((ne = find_entry_by_nodeid(host, host->busmgr_id)) && + sysfs_create_link(&dev->kobj, &ne->device.kobj, "busmgr_id")) + goto fail; + if ((ne = find_entry_by_nodeid(host, host->node_id)) && + sysfs_create_link(&dev->kobj, &ne->device.kobj, "host_id")) + goto fail; + return; +fail: + HPSB_ERR("Failed to update sysfs attributes for host %d", host->id); } static void nodemgr_create_ud_dev_files(struct unit_directory *ud) @@ -642,25 +665,32 @@ static void nodemgr_create_ud_dev_files(struct unit_directory *ud) int i; for (i = 0; i < ARRAY_SIZE(fw_ud_attrs); i++) - device_create_file(dev, fw_ud_attrs[i]); - + if (device_create_file(dev, fw_ud_attrs[i])) + goto fail; if (ud->flags & UNIT_DIRECTORY_SPECIFIER_ID) - device_create_file(dev, &dev_attr_ud_specifier_id); - + if (device_create_file(dev, &dev_attr_ud_specifier_id)) + goto fail; if (ud->flags & UNIT_DIRECTORY_VERSION) - device_create_file(dev, &dev_attr_ud_version); - + if (device_create_file(dev, &dev_attr_ud_version)) + goto fail; if (ud->flags & UNIT_DIRECTORY_VENDOR_ID) { - device_create_file(dev, &dev_attr_ud_vendor_id); - if (ud->vendor_name_kv) - device_create_file(dev, &dev_attr_ud_vendor_name_kv); + if (device_create_file(dev, &dev_attr_ud_vendor_id)) + goto fail; + if (ud->vendor_name_kv && + device_create_file(dev, &dev_attr_ud_vendor_name_kv)) + goto fail; } - if (ud->flags & UNIT_DIRECTORY_MODEL_ID) { - device_create_file(dev, &dev_attr_ud_model_id); - if (ud->model_name_kv) - device_create_file(dev, &dev_attr_ud_model_name_kv); + if (device_create_file(dev, &dev_attr_ud_model_id)) + goto fail; + if (ud->model_name_kv && + device_create_file(dev, &dev_attr_ud_model_name_kv)) + goto fail; } + return; +fail: + HPSB_ERR("Failed to add sysfs attributes for unit %s", + ud->device.bus_id); } @@ -748,7 +778,7 @@ static int __nodemgr_remove_host_dev(struct device *dev, void *data) static void nodemgr_remove_host_dev(struct device *dev) { - device_for_each_child(dev, NULL, __nodemgr_remove_host_dev); + WARN_ON(device_for_each_child(dev, NULL, __nodemgr_remove_host_dev)); sysfs_remove_link(&dev->kobj, "irm_id"); sysfs_remove_link(&dev->kobj, "busmgr_id"); sysfs_remove_link(&dev->kobj, "host_id"); @@ -792,7 +822,7 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr ne = kzalloc(sizeof(*ne), GFP_KERNEL); if (!ne) - return NULL; + goto fail_alloc; ne->host = host; ne->nodeid = nodeid; @@ -815,12 +845,15 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr snprintf(ne->class_dev.class_id, BUS_ID_SIZE, "%016Lx", (unsigned long long)(ne->guid)); - device_register(&ne->device); - class_device_register(&ne->class_dev); + if (device_register(&ne->device)) + goto fail_devreg; + if (class_device_register(&ne->class_dev)) + goto fail_classdevreg; get_device(&ne->device); - if (ne->guid_vendor_oui) - device_create_file(&ne->device, &dev_attr_ne_guid_vendor_oui); + if (ne->guid_vendor_oui && + device_create_file(&ne->device, &dev_attr_ne_guid_vendor_oui)) + goto fail_addoiu; nodemgr_create_ne_dev_files(ne); nodemgr_update_bus_options(ne); @@ -830,6 +863,18 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid); return ne; + +fail_addoiu: + put_device(&ne->device); +fail_classdevreg: + device_unregister(&ne->device); +fail_devreg: + kfree(ne); +fail_alloc: + HPSB_ERR("Failed to create node ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", + NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid); + + return NULL; } @@ -891,13 +936,25 @@ static void nodemgr_register_device(struct node_entry *ne, snprintf(ud->class_dev.class_id, BUS_ID_SIZE, "%s-%u", ne->device.bus_id, ud->id); - device_register(&ud->device); - class_device_register(&ud->class_dev); + if (device_register(&ud->device)) + goto fail_devreg; + if (class_device_register(&ud->class_dev)) + goto fail_classdevreg; get_device(&ud->device); - if (ud->vendor_oui) - device_create_file(&ud->device, &dev_attr_ud_vendor_oui); + if (ud->vendor_oui && + device_create_file(&ud->device, &dev_attr_ud_vendor_oui)) + goto fail_addoui; nodemgr_create_ud_dev_files(ud); + + return; + +fail_addoui: + put_device(&ud->device); +fail_classdevreg: + device_unregister(&ud->device); +fail_devreg: + HPSB_ERR("Failed to create unit %s", ud->device.bus_id); } @@ -1094,10 +1151,16 @@ static void nodemgr_process_root_directory(struct host_info *hi, struct node_ent last_key_id = kv->key.id; } - if (ne->vendor_oui) - device_create_file(&ne->device, &dev_attr_ne_vendor_oui); - if (ne->vendor_name_kv) - device_create_file(&ne->device, &dev_attr_ne_vendor_name_kv); + if (ne->vendor_oui && + device_create_file(&ne->device, &dev_attr_ne_vendor_oui)) + goto fail; + if (ne->vendor_name_kv && + device_create_file(&ne->device, &dev_attr_ne_vendor_name_kv)) + goto fail; + return; +fail: + HPSB_ERR("Failed to add sysfs attribute for node %016Lx", + (unsigned long long)ne->guid); } #ifdef CONFIG_HOTPLUG @@ -1170,7 +1233,7 @@ int hpsb_register_protocol(struct hpsb_protocol_driver *driver) if (!ret) nodemgr_create_drv_files(driver); - return ret; + return 0; } void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) @@ -1327,7 +1390,7 @@ static void nodemgr_suspend_ne(struct node_entry *ne) NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); ne->in_limbo = 1; - device_create_file(&ne->device, &dev_attr_ne_in_limbo); + WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); down_write(&ne->device.bus->subsys.rwsem); list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { @@ -1498,7 +1561,7 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) * just removed. */ if (generation == get_hpsb_generation(host)) - bus_rescan_devices(&ieee1394_bus_type); + WARN_ON(bus_rescan_devices(&ieee1394_bus_type)); return; } -- cgit v1.2.3 From 3c21cfc4babaf4d20384f6f70def308e9b945159 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 18 Oct 2006 21:37:14 +0100 Subject: video1394: small optimizations to frame retrieval codepath Add some GCC branch prediction optimizations to unlikely error/safety conditions in the ioctl handling code commonly called during an application's capture loop. Signed-off-by: Daniel Drake Signed-off-by: Stefan Richter --- drivers/ieee1394/video1394.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 9bc65059cc6..776b6618e80 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -884,13 +884,14 @@ static int __video1394_ioctl(struct file *file, struct dma_iso_ctx *d; int next_prg; - if (copy_from_user(&v, argp, sizeof(v))) + if (unlikely(copy_from_user(&v, argp, sizeof(v)))) return -EFAULT; d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); - if (d == NULL) return -EFAULT; + if (unlikely(d == NULL)) + return -EFAULT; - if ((v.buffer<0) || (v.buffer>=d->num_desc - 1)) { + if (unlikely((v.buffer<0) || (v.buffer>=d->num_desc - 1))) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; @@ -898,7 +899,7 @@ static int __video1394_ioctl(struct file *file, spin_lock_irqsave(&d->lock,flags); - if (d->buffer_status[v.buffer]==VIDEO1394_BUFFER_QUEUED) { + if (unlikely(d->buffer_status[v.buffer]==VIDEO1394_BUFFER_QUEUED)) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d is already used",v.buffer); spin_unlock_irqrestore(&d->lock,flags); @@ -949,13 +950,14 @@ static int __video1394_ioctl(struct file *file, struct dma_iso_ctx *d; int i = 0; - if (copy_from_user(&v, argp, sizeof(v))) + if (unlikely(copy_from_user(&v, argp, sizeof(v)))) return -EFAULT; d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); - if (d == NULL) return -EFAULT; + if (unlikely(d == NULL)) + return -EFAULT; - if ((v.buffer<0) || (v.buffer>d->num_desc - 1)) { + if (unlikely((v.buffer<0) || (v.buffer>d->num_desc - 1))) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; @@ -1008,7 +1010,7 @@ static int __video1394_ioctl(struct file *file, spin_unlock_irqrestore(&d->lock, flags); v.buffer=i; - if (copy_to_user(argp, &v, sizeof(v))) + if (unlikely(copy_to_user(argp, &v, sizeof(v)))) return -EFAULT; return 0; -- cgit v1.2.3 From 75dcf5dc5a0dc4e895944368780cc2fc40008a55 Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Fri, 20 Oct 2006 14:56:01 +0100 Subject: video1394: remove BKL contention video1394 does not need to take the BKL. The data structures shared between file_operations and interrupts are already protected through context-specific spinlocks. The only other danger is video1394_release() being called during another operation, however this cannot happen because release is only ever invoked when the last thread has closed the fd. Signed-off-by: Daniel Drake Signed-off-by: Stefan Richter --- drivers/ieee1394/video1394.c | 30 ++++++------------------------ 1 file changed, 6 insertions(+), 24 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 776b6618e80..77f58bc8313 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -714,8 +714,8 @@ static inline unsigned video1394_buffer_state(struct dma_iso_ctx *d, return ret; } -static int __video1394_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) +static long video1394_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) { struct file_ctx *ctx = (struct file_ctx *)file->private_data; struct ti_ohci *ohci = ctx->ohci; @@ -1158,15 +1158,6 @@ static int __video1394_ioctl(struct file *file, } } -static long video1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - int err; - lock_kernel(); - err = __video1394_ioctl(file, cmd, arg); - unlock_kernel(); - return err; -} - /* * This maps the vmalloced and reserved buffer to user space. * @@ -1179,17 +1170,14 @@ static long video1394_ioctl(struct file *file, unsigned int cmd, unsigned long a static int video1394_mmap(struct file *file, struct vm_area_struct *vma) { struct file_ctx *ctx = (struct file_ctx *)file->private_data; - int res = -EINVAL; - lock_kernel(); if (ctx->current_ctx == NULL) { PRINT(KERN_ERR, ctx->ohci->host->id, "Current iso context not set"); - } else - res = dma_region_mmap(&ctx->current_ctx->dma, file, vma); - unlock_kernel(); + return -EINVAL; + } - return res; + return dma_region_mmap(&ctx->current_ctx->dma, file, vma); } static unsigned int video1394_poll(struct file *file, poll_table *pt) @@ -1200,14 +1188,12 @@ static unsigned int video1394_poll(struct file *file, poll_table *pt) struct dma_iso_ctx *d; int i; - lock_kernel(); ctx = file->private_data; d = ctx->current_ctx; if (d == NULL) { PRINT(KERN_ERR, ctx->ohci->host->id, "Current iso context not set"); - mask = POLLERR; - goto done; + return POLLERR; } poll_wait(file, &d->waitq, pt); @@ -1220,8 +1206,6 @@ static unsigned int video1394_poll(struct file *file, poll_table *pt) } } spin_unlock_irqrestore(&d->lock, flags); -done: - unlock_kernel(); return mask; } @@ -1257,7 +1241,6 @@ static int video1394_release(struct inode *inode, struct file *file) struct list_head *lh, *next; u64 mask; - lock_kernel(); list_for_each_safe(lh, next, &ctx->context_list) { struct dma_iso_ctx *d; d = list_entry(lh, struct dma_iso_ctx, link); @@ -1278,7 +1261,6 @@ static int video1394_release(struct inode *inode, struct file *file) kfree(ctx); file->private_data = NULL; - unlock_kernel(); return 0; } -- cgit v1.2.3 From 7b900c12cd689e4372afe3904a03f98253546449 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 20 Oct 2006 21:01:58 +0200 Subject: dv1394: remove BKL contention Purges the one remaining call to lock_kernel() from the 1394 subsystem. Signed-off-by: Stefan Richter --- drivers/ieee1394/dv1394.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 6c72f04b2b5..d0e11c176c3 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -1536,27 +1536,20 @@ static ssize_t dv1394_read(struct file *file, char __user *buffer, size_t count static long dv1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct video_card *video; + struct video_card *video = file_to_video_card(file); unsigned long flags; int ret = -EINVAL; void __user *argp = (void __user *)arg; DECLARE_WAITQUEUE(wait, current); - lock_kernel(); - video = file_to_video_card(file); - /* serialize this to prevent multi-threaded mayhem */ if (file->f_flags & O_NONBLOCK) { - if (!mutex_trylock(&video->mtx)) { - unlock_kernel(); + if (!mutex_trylock(&video->mtx)) return -EAGAIN; - } } else { - if (mutex_lock_interruptible(&video->mtx)) { - unlock_kernel(); + if (mutex_lock_interruptible(&video->mtx)) return -ERESTARTSYS; - } } switch(cmd) @@ -1780,7 +1773,6 @@ static long dv1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) out: mutex_unlock(&video->mtx); - unlock_kernel(); return ret; } -- cgit v1.2.3 From b7cffc57a777722941cfd904fcdbb47fc615b808 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 21 Oct 2006 01:22:36 +0200 Subject: ieee1394: nodemgr: small fix after sysfs errors patch One hunk in "ieee1394: handle sysfs errors" was wrong. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index e95fe400e04..b79ff695ca3 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1233,7 +1233,7 @@ int hpsb_register_protocol(struct hpsb_protocol_driver *driver) if (!ret) nodemgr_create_drv_files(driver); - return 0; + return ret; } void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) -- cgit v1.2.3 From 7fdfc90945e308dc1be37e3914cd979a535263e9 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 21 Oct 2006 01:23:56 +0200 Subject: ieee1394: nodemgr: reflect which return values are errors Give better names to local variables. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 64 ++++++++++++++++++++++------------------------ 1 file changed, 30 insertions(+), 34 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index b79ff695ca3..bffa26e4815 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -67,7 +67,7 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, { quadlet_t q; u8 i, *speed, old_speed, good_speed; - int ret; + int error; speed = &(ci->host->speed[NODEID_TO_NODE(ci->nodeid)]); old_speed = *speed; @@ -79,9 +79,9 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, * just finished its initialization. */ for (i = IEEE1394_SPEED_100; i <= old_speed; i++) { *speed = i; - ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, - &q, sizeof(quadlet_t)); - if (ret) + error = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, + &q, sizeof(quadlet_t)); + if (error) break; *buffer = q; good_speed = i; @@ -95,19 +95,19 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, return 0; } *speed = old_speed; - return ret; + return error; } static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, void *buffer, void *__ci) { struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; - int i, ret; + int i, error; for (i = 1; ; i++) { - ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, - buffer, length); - if (!ret) { + error = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, + buffer, length); + if (!error) { ci->speed_unverified = 0; break; } @@ -118,14 +118,14 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, /* The ieee1394_core guessed the node's speed capability from * the self ID. Check whether a lower speed works. */ if (ci->speed_unverified && length == sizeof(quadlet_t)) { - ret = nodemgr_check_speed(ci, addr, buffer); - if (!ret) + error = nodemgr_check_speed(ci, addr, buffer); + if (!error) break; } if (msleep_interruptible(334)) return -EINTR; } - return ret; + return error; } static int nodemgr_get_max_rom(quadlet_t *bus_info_data, void *__ci) @@ -1226,14 +1226,11 @@ static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp, int hpsb_register_protocol(struct hpsb_protocol_driver *driver) { - int ret; - /* This will cause a probe for devices */ - ret = driver_register(&driver->driver); - if (!ret) + int error = driver_register(&driver->driver); + if (!error) nodemgr_create_drv_files(driver); - - return ret; + return error; } void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) @@ -1468,7 +1465,7 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) { const u64 bc_addr = (CSR_REGISTER_BASE | CSR_BROADCAST_CHANNEL); quadlet_t bc_remote, bc_local; - int ret; + int error; if (!ne->host->is_irm || ne->generation != generation || ne->nodeid == ne->host->node_id) @@ -1477,9 +1474,9 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) bc_local = cpu_to_be32(ne->host->csr.broadcast_channel); /* Check if the register is implemented and 1394a compliant. */ - ret = hpsb_read(ne->host, ne->nodeid, generation, bc_addr, &bc_remote, - sizeof(bc_remote)); - if (!ret && bc_remote & cpu_to_be32(0x80000000) && + error = hpsb_read(ne->host, ne->nodeid, generation, bc_addr, &bc_remote, + sizeof(bc_remote)); + if (!error && bc_remote & cpu_to_be32(0x80000000) && bc_remote != bc_local) hpsb_node_write(ne, bc_addr, &bc_local, sizeof(bc_local)); } @@ -1569,7 +1566,7 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) static int nodemgr_send_resume_packet(struct hpsb_host *host) { struct hpsb_packet *packet; - int ret = 1; + int error = -ENOMEM; packet = hpsb_make_phypacket(host, EXTPHYPACKET_TYPE_RESUME | @@ -1577,12 +1574,12 @@ static int nodemgr_send_resume_packet(struct hpsb_host *host) if (packet) { packet->no_waiter = 1; packet->generation = get_hpsb_generation(host); - ret = hpsb_send_packet(packet); + error = hpsb_send_packet(packet); } - if (ret) + if (error) HPSB_WARN("fw-host%d: Failed to broadcast resume packet", host->id); - return ret; + return error; } /* Perform a few high-level IRM responsibilities. */ @@ -1852,20 +1849,19 @@ static struct hpsb_highlevel nodemgr_highlevel = { int init_ieee1394_nodemgr(void) { - int ret; + int error; - ret = class_register(&nodemgr_ne_class); - if (ret < 0) - return ret; + error = class_register(&nodemgr_ne_class); + if (error) + return error; - ret = class_register(&nodemgr_ud_class); - if (ret < 0) { + error = class_register(&nodemgr_ud_class); + if (error) { class_unregister(&nodemgr_ne_class); - return ret; + return error; } hpsb_register_highlevel(&nodemgr_highlevel); - return 0; } -- cgit v1.2.3 From b07375b155a0d2ed21a64db68e737da1f19385f7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 22 Oct 2006 16:16:27 +0200 Subject: ieee1394: nodemgr: revise semaphore protection of driver core data - The list "struct class.children" is supposed to be protected by class.sem, not by class.subsys.rwsem. - nodemgr_remove_uds() iterated over nodemgr_ud_class.children without proper protection. This was never observed as a bug since the code is usually only accessed by knodemgrd. All knodemgrds are currently globally serialized. But userspace can trigger this code too by writing to /sys/bus/ieee1394/destroy_node. - Clean up access to the FireWire bus type's subsys.rwsem: Access it uniformly via ieee1394_bus_type. Shrink rwsem protected regions where possible. Expand them where necessary. The latter wasn't a problem so far because knodemgr is globally serialized. This should harden the interaction of ieee1394 with sysfs and lay ground for deserialized operation of multiple knodemgrds and for implementation of subthreads for parallelized scanning and probing. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 142 +++++++++++++++++++++++++++++---------------- 1 file changed, 92 insertions(+), 50 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index bffa26e4815..e2ca8e92f43 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -374,11 +374,11 @@ static ssize_t fw_set_ignore_driver(struct device *dev, struct device_attribute int state = simple_strtoul(buf, NULL, 10); if (state == 1) { - down_write(&dev->bus->subsys.rwsem); - device_release_driver(dev); ud->ignore_driver = 1; - up_write(&dev->bus->subsys.rwsem); - } else if (!state) + down_write(&ieee1394_bus_type.subsys.rwsem); + device_release_driver(dev); + up_write(&ieee1394_bus_type.subsys.rwsem); + } else if (state == 0) ud->ignore_driver = 0; return count; @@ -436,7 +436,7 @@ static ssize_t fw_set_ignore_drivers(struct bus_type *bus, const char *buf, size if (state == 1) ignore_drivers = 1; - else if (!state) + else if (state == 0) ignore_drivers = 0; return count; @@ -734,20 +734,65 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) } +static DEFINE_MUTEX(nodemgr_serialize_remove_uds); + static void nodemgr_remove_uds(struct node_entry *ne) { - struct class_device *cdev, *next; - struct unit_directory *ud; + struct class_device *cdev; + struct unit_directory *ud, **unreg; + size_t i, count; + + /* + * This is awkward: + * Iteration over nodemgr_ud_class.children has to be protected by + * nodemgr_ud_class.sem, but class_device_unregister() will eventually + * take nodemgr_ud_class.sem too. Therefore store all uds to be + * unregistered in a temporary array, release the semaphore, and then + * unregister the uds. + * + * Since nodemgr_remove_uds can also run in other contexts than the + * knodemgrds (which are currently globally serialized), protect the + * gap after release of the semaphore by nodemgr_serialize_remove_uds. + */ - list_for_each_entry_safe(cdev, next, &nodemgr_ud_class.children, node) { - ud = container_of(cdev, struct unit_directory, class_dev); + mutex_lock(&nodemgr_serialize_remove_uds); - if (ud->ne != ne) - continue; + down(&nodemgr_ud_class.sem); + count = 0; + list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { + ud = container_of(cdev, struct unit_directory, class_dev); + if (ud->ne == ne) + count++; + } + if (!count) { + up(&nodemgr_ud_class.sem); + mutex_unlock(&nodemgr_serialize_remove_uds); + return; + } + unreg = kcalloc(count, sizeof(*unreg), GFP_KERNEL); + if (!unreg) { + HPSB_ERR("NodeMgr: out of memory in nodemgr_remove_uds"); + up(&nodemgr_ud_class.sem); + mutex_unlock(&nodemgr_serialize_remove_uds); + return; + } + i = 0; + list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { + ud = container_of(cdev, struct unit_directory, class_dev); + if (ud->ne == ne) { + BUG_ON(i >= count); + unreg[i++] = ud; + } + } + up(&nodemgr_ud_class.sem); - class_device_unregister(&ud->class_dev); - device_unregister(&ud->device); + for (i = 0; i < count; i++) { + class_device_unregister(&unreg[i]->class_dev); + device_unregister(&unreg[i]->device); } + kfree(unreg); + + mutex_unlock(&nodemgr_serialize_remove_uds); } @@ -880,12 +925,11 @@ fail_alloc: static struct node_entry *find_entry_by_guid(u64 guid) { - struct class *class = &nodemgr_ne_class; struct class_device *cdev; struct node_entry *ne, *ret_ne = NULL; - down_read(&class->subsys.rwsem); - list_for_each_entry(cdev, &class->children, node) { + down(&nodemgr_ne_class.sem); + list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { ne = container_of(cdev, struct node_entry, class_dev); if (ne->guid == guid) { @@ -893,20 +937,20 @@ static struct node_entry *find_entry_by_guid(u64 guid) break; } } - up_read(&class->subsys.rwsem); + up(&nodemgr_ne_class.sem); return ret_ne; } -static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t nodeid) +static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, + nodeid_t nodeid) { - struct class *class = &nodemgr_ne_class; struct class_device *cdev; struct node_entry *ne, *ret_ne = NULL; - down_read(&class->subsys.rwsem); - list_for_each_entry(cdev, &class->children, node) { + down(&nodemgr_ne_class.sem); + list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { ne = container_of(cdev, struct node_entry, class_dev); if (ne->host == host && ne->nodeid == nodeid) { @@ -914,7 +958,7 @@ static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t break; } } - up_read(&class->subsys.rwsem); + up(&nodemgr_ne_class.sem); return ret_ne; } @@ -1377,7 +1421,6 @@ static void nodemgr_node_scan(struct host_info *hi, int generation) } -/* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader. */ static void nodemgr_suspend_ne(struct node_entry *ne) { struct class_device *cdev; @@ -1389,19 +1432,20 @@ static void nodemgr_suspend_ne(struct node_entry *ne) ne->in_limbo = 1; WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); - down_write(&ne->device.bus->subsys.rwsem); + down(&nodemgr_ud_class.sem); list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { ud = container_of(cdev, struct unit_directory, class_dev); - if (ud->ne != ne) continue; + down_write(&ieee1394_bus_type.subsys.rwsem); if (ud->device.driver && (!ud->device.driver->suspend || ud->device.driver->suspend(&ud->device, PMSG_SUSPEND))) device_release_driver(&ud->device); + up_write(&ieee1394_bus_type.subsys.rwsem); } - up_write(&ne->device.bus->subsys.rwsem); + up(&nodemgr_ud_class.sem); } @@ -1413,45 +1457,47 @@ static void nodemgr_resume_ne(struct node_entry *ne) ne->in_limbo = 0; device_remove_file(&ne->device, &dev_attr_ne_in_limbo); - down_read(&nodemgr_ud_class.subsys.rwsem); - down_read(&ne->device.bus->subsys.rwsem); + down(&nodemgr_ud_class.sem); list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { ud = container_of(cdev, struct unit_directory, class_dev); - if (ud->ne != ne) continue; + down_read(&ieee1394_bus_type.subsys.rwsem); if (ud->device.driver && ud->device.driver->resume) ud->device.driver->resume(&ud->device); + up_read(&ieee1394_bus_type.subsys.rwsem); } - up_read(&ne->device.bus->subsys.rwsem); - up_read(&nodemgr_ud_class.subsys.rwsem); + up(&nodemgr_ud_class.sem); HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); } -/* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader. */ static void nodemgr_update_pdrv(struct node_entry *ne) { struct unit_directory *ud; struct hpsb_protocol_driver *pdrv; struct class_device *cdev; + down(&nodemgr_ud_class.sem); list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { ud = container_of(cdev, struct unit_directory, class_dev); - if (ud->ne != ne || !ud->device.driver) + if (ud->ne != ne) continue; - pdrv = container_of(ud->device.driver, struct hpsb_protocol_driver, driver); - - if (pdrv->update && pdrv->update(ud)) { - down_write(&ud->device.bus->subsys.rwsem); - device_release_driver(&ud->device); - up_write(&ud->device.bus->subsys.rwsem); + down_write(&ieee1394_bus_type.subsys.rwsem); + if (ud->device.driver) { + pdrv = container_of(ud->device.driver, + struct hpsb_protocol_driver, + driver); + if (pdrv->update && pdrv->update(ud)) + device_release_driver(&ud->device); } + up_write(&ieee1394_bus_type.subsys.rwsem); } + up(&nodemgr_ud_class.sem); } @@ -1482,8 +1528,6 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) } -/* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader because the - * calls to nodemgr_update_pdrv() and nodemgr_suspend_ne() here require it. */ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int generation) { struct device *dev; @@ -1516,7 +1560,6 @@ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int ge static void nodemgr_node_probe(struct host_info *hi, int generation) { struct hpsb_host *host = hi->host; - struct class *class = &nodemgr_ne_class; struct class_device *cdev; struct node_entry *ne; @@ -1529,18 +1572,18 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) * while probes are time-consuming. (Well, those probes need some * improvement...) */ - down_read(&class->subsys.rwsem); - list_for_each_entry(cdev, &class->children, node) { + down(&nodemgr_ne_class.sem); + list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { ne = container_of(cdev, struct node_entry, class_dev); if (!ne->needs_probe) nodemgr_probe_ne(hi, ne, generation); } - list_for_each_entry(cdev, &class->children, node) { + list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { ne = container_of(cdev, struct node_entry, class_dev); if (ne->needs_probe) nodemgr_probe_ne(hi, ne, generation); } - up_read(&class->subsys.rwsem); + up(&nodemgr_ne_class.sem); /* If we had a bus reset while we were scanning the bus, it is @@ -1752,19 +1795,18 @@ exit: int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)) { - struct class *class = &hpsb_host_class; struct class_device *cdev; struct hpsb_host *host; int error = 0; - down_read(&class->subsys.rwsem); - list_for_each_entry(cdev, &class->children, node) { + down(&hpsb_host_class.sem); + list_for_each_entry(cdev, &hpsb_host_class.children, node) { host = container_of(cdev, struct hpsb_host, class_dev); if ((error = cb(host, __data))) break; } - up_read(&class->subsys.rwsem); + up(&hpsb_host_class.sem); return error; } -- cgit v1.2.3 From 7f5880394c8ab01854c0cba288352a1a77d5ea82 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 23 Oct 2006 21:44:36 -0700 Subject: ieee1394: fix printk format warning Fix printk format warning: drivers/ieee1394/nodemgr.c:364: warning: long long unsigned int format, u64 arg (arg 3) Signed-off-by: Randy Dunlap Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index e2ca8e92f43..640d677ae03 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -362,7 +362,7 @@ static ssize_t fw_show_ne_tlabels_mask(struct device *dev, #endif spin_unlock_irqrestore(&hpsb_tlabel_lock, flags); - return sprintf(buf, "0x%016llx\n", tm); + return sprintf(buf, "0x%016llx\n", (unsigned long long)tm); } static DEVICE_ATTR(tlabels_mask, S_IRUGO, fw_show_ne_tlabels_mask, NULL); #endif /* HPSB_DEBUG_TLABELS */ -- cgit v1.2.3 From def4d8733b8b8fed521957a7fd546714dd491b91 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 24 Oct 2006 11:19:11 -0700 Subject: ieee1394: only build OUI database files if config enabled Only build IEEE1394 OUI database files if the config option is enabled. Signed-off-by: Randy Dunlap Signed-off-by: Stefan Richter --- drivers/ieee1394/Makefile | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/Makefile b/drivers/ieee1394/Makefile index 6f53611fe25..d9650d3d77a 100644 --- a/drivers/ieee1394/Makefile +++ b/drivers/ieee1394/Makefile @@ -3,8 +3,11 @@ # ieee1394-objs := ieee1394_core.o ieee1394_transactions.o hosts.o \ - highlevel.o csr.o nodemgr.o oui.o dma.o iso.o \ + highlevel.o csr.o nodemgr.o dma.o iso.o \ csr1212.o config_roms.o +ifdef CONFIG_IEEE1394_OUI_DB +ieee1394-objs += oui.o +endif obj-$(CONFIG_IEEE1394) += ieee1394.o obj-$(CONFIG_IEEE1394_PCILYNX) += pcilynx.o -- cgit v1.2.3 From 2a3f8ad3a94c784f57958bd692428cb342ce4114 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 29 Oct 2006 19:52:49 +0100 Subject: ieee1394: ohci1394: revert fail on error in suspend Some errors during preparation for suspended state can be skipped with a warning instead of a failure of the whole suspend transition, notably an error in pci_set_power_state. Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index a12802553b4..44adefd7168 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3534,6 +3534,9 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) int err; struct ti_ohci *ohci = pci_get_drvdata(pdev); + printk(KERN_INFO "%s does not fully support suspend and resume yet\n", + OHCI1394_DRIVER_NAME); + PRINT(KERN_DEBUG, "suspend called"); if (!ohci) return -ENXIO; @@ -3558,11 +3561,17 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) ohci_soft_reset(ohci); err = pci_save_state(pdev); - if (err) + if (err) { + printk(KERN_ERR "%s: pci_save_state failed with %d\n", + OHCI1394_DRIVER_NAME, err); return err; + } err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); +#ifdef OHCI1394_DEBUG if (err) - return err; + printk(KERN_DEBUG "%s: pci_set_power_state failed with %d\n", + OHCI1394_DRIVER_NAME, err); +#endif /* OHCI1394_DEBUG */ /* PowerMac suspend code comes last */ #ifdef CONFIG_PPC_PMAC -- cgit v1.2.3 From 5f8d17f6023ea9aca7c0063c5b472529f2664944 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 29 Oct 2006 19:58:25 +0100 Subject: ieee1394: ohci1394: proper log messages in suspend and resume - correct thinko in one of my last commits: cannot use PRINT macro with ohci == NULL - add log messages on ohci == NULL and on pci_enable_device != 0 - update log macros from patch "revert fail on error in suspend" to use PRINT and DBGMSG where possible Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 44adefd7168..406b7501b9b 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3537,9 +3537,12 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) printk(KERN_INFO "%s does not fully support suspend and resume yet\n", OHCI1394_DRIVER_NAME); - PRINT(KERN_DEBUG, "suspend called"); - if (!ohci) + if (!ohci) { + printk(KERN_ERR "%s: tried to suspend nonexisting host\n", + OHCI1394_DRIVER_NAME); return -ENXIO; + } + DBGMSG("suspend called"); /* Clear the async DMA contexts and stop using the controller */ hpsb_bus_reset(ohci->host); @@ -3562,16 +3565,12 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) err = pci_save_state(pdev); if (err) { - printk(KERN_ERR "%s: pci_save_state failed with %d\n", - OHCI1394_DRIVER_NAME, err); + PRINT(KERN_ERR, "pci_save_state failed with %d", err); return err; } err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); -#ifdef OHCI1394_DEBUG if (err) - printk(KERN_DEBUG "%s: pci_set_power_state failed with %d\n", - OHCI1394_DRIVER_NAME, err); -#endif /* OHCI1394_DEBUG */ + DBGMSG("pci_set_power_state failed with %d", err); /* PowerMac suspend code comes last */ #ifdef CONFIG_PPC_PMAC @@ -3593,9 +3592,12 @@ static int ohci1394_pci_resume(struct pci_dev *pdev) int err; struct ti_ohci *ohci = pci_get_drvdata(pdev); - PRINT(KERN_DEBUG, "resume called"); - if (!ohci) + if (!ohci) { + printk(KERN_ERR "%s: tried to resume nonexisting host\n", + OHCI1394_DRIVER_NAME); return -ENXIO; + } + DBGMSG("resume called"); /* PowerMac resume code comes first */ #ifdef CONFIG_PPC_PMAC @@ -3612,8 +3614,10 @@ static int ohci1394_pci_resume(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); err = pci_enable_device(pdev); - if (err) + if (err) { + PRINT(KERN_ERR, "pci_enable_device failed with %d", err); return err; + } /* See ohci1394_pci_probe() for comments on this sequence */ ohci_soft_reset(ohci); -- cgit v1.2.3 From bfe89d724527c8b1bb1b68b0da1d94907b094094 Mon Sep 17 00:00:00 2001 From: Eric Sesterhenn Date: Sun, 29 Oct 2006 23:13:40 +0300 Subject: drivers/ieee1394/*: use kmemdup() Signed-off-by: Eric Sesterhenn Signed-off-by: Alexey Dobriyan Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 3 +-- drivers/ieee1394/pcilynx.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 640d677ae03..801f6061923 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1078,10 +1078,9 @@ static struct unit_directory *nodemgr_process_unit_directory /* Logical Unit Number */ if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) { if (ud->flags & UNIT_DIRECTORY_HAS_LUN) { - ud_child = kmalloc(sizeof(*ud_child), GFP_KERNEL); + ud_child = kmemdup(ud, sizeof(*ud_child), GFP_KERNEL); if (!ud_child) goto unit_directory_error; - memcpy(ud_child, ud, sizeof(*ud_child)); nodemgr_register_device(ne, ud_child, &ne->device); ud_child = NULL; diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c index 9cab1d66147..13a617917bf 100644 --- a/drivers/ieee1394/pcilynx.c +++ b/drivers/ieee1394/pcilynx.c @@ -1428,10 +1428,9 @@ static int __devinit add_card(struct pci_dev *dev, struct i2c_algo_bit_data i2c_adapter_data; error = -ENOMEM; - i2c_ad = kmalloc(sizeof(*i2c_ad), GFP_KERNEL); + i2c_ad = kmemdup(&bit_ops, sizeof(*i2c_ad), GFP_KERNEL); if (!i2c_ad) FAIL("failed to allocate I2C adapter memory"); - memcpy(i2c_ad, &bit_ops, sizeof(struct i2c_adapter)); i2c_adapter_data = bit_data; i2c_ad->algo_data = &i2c_adapter_data; i2c_adapter_data.data = lynx; -- cgit v1.2.3 From 1f72cf5251a8f806a8930ae2cd152aa79fd0de83 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 29 Oct 2006 23:09:11 +0100 Subject: ieee1394: nodemgr: take it easy if bus_rescan_devices fails This happens. No need to log a BUG trace. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 801f6061923..89a4bd4c842 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1600,9 +1600,8 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) * just removed. */ if (generation == get_hpsb_generation(host)) - WARN_ON(bus_rescan_devices(&ieee1394_bus_type)); - - return; + if (bus_rescan_devices(&ieee1394_bus_type)) + HPSB_DEBUG("bus_rescan_devices had an error"); } static int nodemgr_send_resume_packet(struct hpsb_host *host) -- cgit v1.2.3 From c0f00e279712923cc945604d29a252e52c7838e1 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 30 Oct 2006 15:51:52 +0300 Subject: ohci1394: shortcut irq printing To print irq number no need to transform to string using %d, then print using %s. Just use %d. Signed-off-by: Alexey Dobriyan --- drivers/ieee1394/ohci1394.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 406b7501b9b..b8e922b65e2 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -468,7 +468,6 @@ static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg) /* Global initialization */ static void ohci_initialize(struct ti_ohci *ohci) { - char irq_buf[16]; quadlet_t buf; int num_ports, i; @@ -586,11 +585,10 @@ static void ohci_initialize(struct ti_ohci *ohci) reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_linkEnable); buf = reg_read(ohci, OHCI1394_Version); - sprintf (irq_buf, "%d", ohci->dev->irq); - PRINT(KERN_INFO, "OHCI-1394 %d.%d (PCI): IRQ=[%s] " + PRINT(KERN_INFO, "OHCI-1394 %d.%d (PCI): IRQ=[%d] " "MMIO=[%llx-%llx] Max Packet=[%d] IR/IT contexts=[%d/%d]", ((((buf) >> 16) & 0xf) + (((buf) >> 20) & 0xf) * 10), - ((((buf) >> 4) & 0xf) + ((buf) & 0xf) * 10), irq_buf, + ((((buf) >> 4) & 0xf) + ((buf) & 0xf) * 10), ohci->dev->irq, (unsigned long long)pci_resource_start(ohci->dev, 0), (unsigned long long)pci_resource_start(ohci->dev, 0) + OHCI1394_REGISTER_SIZE - 1, ohci->max_packet_size, -- cgit v1.2.3 From 66743e061f6f31ac81fb8a1e9edb2ff92ef24df2 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove irritating log message The queue depth can be read from /sys/bus/scsi/devices/*/queue_depth, so don't log it. And the hint about speed improvements is misleading, at least under current kernels. If serialization is switched off, read performance is typically increased by less than 10%. (I did not test write performance recently.) On the other hand, serialize_io=0 is not yet safe due to some implementation issues that are not trivial to fix. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index e5ba55bbd93..becd98d411e 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2670,8 +2670,6 @@ static int sbp2_module_init(void) /* Module load debug option to force one command at a time (serializing I/O) */ if (serialize_io) { - SBP2_INFO("Driver forced to serialize I/O (serialize_io=1)"); - SBP2_INFO("Try serialize_io=0 for better performance"); scsi_driver_template.can_queue = 1; scsi_driver_template.cmd_per_lun = 1; } -- cgit v1.2.3 From ea42ea0f58aaa03e9cd245b124903e25629746e6 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: clean up function declarations Remove unnecessary function prototypes. Remove variable names from function prototypes. Move declarations from sbp2.h to sbp2.c. Move definitions of driver templates together near the top of sbp2.c. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 145 ++++++++++++++++++++++++++++-------------------- drivers/ieee1394/sbp2.h | 45 --------------- 2 files changed, 86 insertions(+), 104 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index becd98d411e..f1f5de616d7 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -179,19 +179,6 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); -/* - * Export information about protocols/devices supported by this driver. - */ -static struct ieee1394_device_id sbp2_id_table[] = { - { - .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, - .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, - .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, - {} -}; - -MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); - /* * Debug levels, configured via kernel config, or enable here. */ @@ -250,40 +237,66 @@ static u32 global_outstanding_dmas = 0; /* * Globals */ +static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *, u32); +static void sbp2scsi_complete_command(struct scsi_id_instance_data *, u32, + struct scsi_cmnd *, + void (*)(struct scsi_cmnd *)); +static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *); +static int sbp2_start_device(struct scsi_id_instance_data *); +static void sbp2_remove_device(struct scsi_id_instance_data *); +static int sbp2_login_device(struct scsi_id_instance_data *); +static int sbp2_reconnect_device(struct scsi_id_instance_data *); +static int sbp2_logout_device(struct scsi_id_instance_data *); +static void sbp2_host_reset(struct hpsb_host *); +static int sbp2_handle_status_write(struct hpsb_host *, int, int, quadlet_t *, + u64, size_t, u16); +static int sbp2_agent_reset(struct scsi_id_instance_data *, int); +static void sbp2_parse_unit_directory(struct scsi_id_instance_data *, + struct unit_directory *); +static int sbp2_set_busy_timeout(struct scsi_id_instance_data *); +static int sbp2_max_speed_and_size(struct scsi_id_instance_data *); -static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, - u32 status); - -static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, - u32 scsi_status, struct scsi_cmnd *SCpnt, - void (*done)(struct scsi_cmnd *)); - -static struct scsi_host_template scsi_driver_template; static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; -static void sbp2_host_reset(struct hpsb_host *host); - -static int sbp2_probe(struct device *dev); -static int sbp2_remove(struct device *dev); -static int sbp2_update(struct unit_directory *ud); - static struct hpsb_highlevel sbp2_highlevel = { - .name = SBP2_DEVICE_NAME, - .host_reset = sbp2_host_reset, + .name = SBP2_DEVICE_NAME, + .host_reset = sbp2_host_reset, }; static struct hpsb_address_ops sbp2_ops = { - .write = sbp2_handle_status_write + .write = sbp2_handle_status_write }; #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA +static int sbp2_handle_physdma_write(struct hpsb_host *, int, int, quadlet_t *, + u64, size_t, u16); +static int sbp2_handle_physdma_read(struct hpsb_host *, int, quadlet_t *, u64, + size_t, u16); + static struct hpsb_address_ops sbp2_physdma_ops = { - .read = sbp2_handle_physdma_read, - .write = sbp2_handle_physdma_write, + .read = sbp2_handle_physdma_read, + .write = sbp2_handle_physdma_write, }; #endif + +/* + * Interface to driver core and IEEE 1394 core + */ +static struct ieee1394_device_id sbp2_id_table[] = { + { + .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, + .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, + .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, + {} +}; +MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); + +static int sbp2_probe(struct device *); +static int sbp2_remove(struct device *); +static int sbp2_update(struct unit_directory *); + static struct hpsb_protocol_driver sbp2_driver = { .name = "SBP2 Driver", .id_table = sbp2_id_table, @@ -296,6 +309,47 @@ static struct hpsb_protocol_driver sbp2_driver = { }, }; + +/* + * Interface to SCSI core + */ +static int sbp2scsi_queuecommand(struct scsi_cmnd *, + void (*)(struct scsi_cmnd *)); +static int sbp2scsi_abort(struct scsi_cmnd *); +static int sbp2scsi_reset(struct scsi_cmnd *); +static int sbp2scsi_slave_alloc(struct scsi_device *); +static int sbp2scsi_slave_configure(struct scsi_device *); +static void sbp2scsi_slave_destroy(struct scsi_device *); +static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *, + struct device_attribute *, char *); + +static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); + +static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { + &dev_attr_ieee1394_id, + NULL +}; + +static struct scsi_host_template scsi_driver_template = { + .module = THIS_MODULE, + .name = "SBP-2 IEEE-1394", + .proc_name = SBP2_DEVICE_NAME, + .queuecommand = sbp2scsi_queuecommand, + .eh_abort_handler = sbp2scsi_abort, + .eh_device_reset_handler = sbp2scsi_reset, + .slave_alloc = sbp2scsi_slave_alloc, + .slave_configure = sbp2scsi_slave_configure, + .slave_destroy = sbp2scsi_slave_destroy, + .this_id = -1, + .sg_tablesize = SG_ALL, + .use_clustering = ENABLE_CLUSTERING, + .cmd_per_lun = SBP2_MAX_CMDS, + .can_queue = SBP2_MAX_CMDS, + .emulated = 1, + .sdev_attrs = sbp2_sysfs_sdev_attrs, +}; + + /* * List of devices with known bugs. * @@ -715,7 +769,6 @@ static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_ /********************************************* * IEEE-1394 core driver stack related section *********************************************/ -static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud); static int sbp2_probe(struct device *dev) { @@ -2630,38 +2683,12 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid, scsi_id->ud->id, lun); } -static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); - -static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { - &dev_attr_ieee1394_id, - NULL -}; MODULE_AUTHOR("Ben Collins "); MODULE_DESCRIPTION("IEEE-1394 SBP-2 protocol driver"); MODULE_SUPPORTED_DEVICE(SBP2_DEVICE_NAME); MODULE_LICENSE("GPL"); -/* SCSI host template */ -static struct scsi_host_template scsi_driver_template = { - .module = THIS_MODULE, - .name = "SBP-2 IEEE-1394", - .proc_name = SBP2_DEVICE_NAME, - .queuecommand = sbp2scsi_queuecommand, - .eh_abort_handler = sbp2scsi_abort, - .eh_device_reset_handler = sbp2scsi_reset, - .slave_alloc = sbp2scsi_slave_alloc, - .slave_configure = sbp2scsi_slave_configure, - .slave_destroy = sbp2scsi_slave_destroy, - .this_id = -1, - .sg_tablesize = SG_ALL, - .use_clustering = ENABLE_CLUSTERING, - .cmd_per_lun = SBP2_MAX_CMDS, - .can_queue = SBP2_MAX_CMDS, - .emulated = 1, - .sdev_attrs = sbp2_sysfs_sdev_attrs, -}; - static int sbp2_module_init(void) { int ret; diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 1b16d6b9cf1..56917b9fa22 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -364,49 +364,4 @@ struct sbp2scsi_host_info { struct list_head scsi_ids; /* List of scsi ids on this host */ }; -/* - * Function prototypes - */ - -/* - * Various utility prototypes - */ -static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); -static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); -static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); -static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); -static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *Current_SCpnt, - void (*Current_done)(struct scsi_cmnd *)); -static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command); - - -static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); -static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); - -#ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA -static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, - u64 addr, size_t length, u16 flags); -static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, - u64 addr, size_t length, u16 flags); -#endif - -/* - * SBP-2 protocol related prototypes - */ -static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); -static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); -static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, - quadlet_t *data, u64 addr, size_t length, u16 flags); -static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); -static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, - unchar *sense_data); -static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, - struct unit_directory *ud); -static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); -static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); - #endif /* SBP2_H */ -- cgit v1.2.3 From 8c8009e69b31c60e875a348c1b032ed9543d1df6 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove dead code This has been within #if 0 for a long time and is wrong anyway. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 15 --------------- 1 file changed, 15 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index f1f5de616d7..2b3099477e9 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2545,21 +2545,6 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, SCpnt->result = DID_BUS_BUSY << 16; } - /* - * If a unit attention occurs, return busy status so it gets - * retried... it could have happened because of a 1394 bus reset - * or hot-plug... - * XXX DID_BUS_BUSY is actually a bad idea because it will defy - * the scsi layer's retry logic. - */ -#if 0 - if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) && - (SCpnt->sense_buffer[2] == UNIT_ATTENTION)) { - SBP2_DEBUG("UNIT ATTENTION - return busy"); - SCpnt->result = DID_BUS_BUSY << 16; - } -#endif - /* * Tell scsi stack that we're done with this command */ -- cgit v1.2.3 From 0b885449ac6fab42cd6808c9ea8d6e456e0e65b7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove duplicate code The same case is handled further below in sbp2scsi_complete_command. Note, the second version behaves slightly different but looks preferable. It's an extremely unlikely case by the way. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 2b3099477e9..38abf032540 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2483,17 +2483,6 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, return; } - /* - * If a bus reset is in progress and there was an error, don't - * complete the command, just let it get retried at the end of the - * bus reset. - */ - if (!hpsb_node_entry_valid(scsi_id->ne) - && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { - SBP2_ERR("Bus reset in progress - retry command later"); - return; - } - /* * Switch on scsi status */ -- cgit v1.2.3 From 35644090d82557d4ae5b4c75e29396406cc9d58a Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: consolidate log levels Replace some calls to SBP2_ERR and SBP2_WARN by SBP2_INFO. Remove logging macros SBP2_NOTICE and SBP2_WARN. Remove direct usage of HPSB_ logging macros. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 31 ++++++++++++------------------- 1 file changed, 12 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 38abf032540..ecbb5ee500a 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -217,18 +217,12 @@ static u32 global_outstanding_dmas = 0; #if CONFIG_IEEE1394_SBP2_DEBUG >= 2 #define SBP2_DEBUG(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) #define SBP2_INFO(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) -#define SBP2_NOTICE(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) -#define SBP2_WARN(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) #elif CONFIG_IEEE1394_SBP2_DEBUG == 1 #define SBP2_DEBUG(fmt, args...) HPSB_DEBUG("sbp2: "fmt, ## args) #define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) -#define SBP2_NOTICE(fmt, args...) HPSB_NOTICE("sbp2: "fmt, ## args) -#define SBP2_WARN(fmt, args...) HPSB_WARN("sbp2: "fmt, ## args) #else #define SBP2_DEBUG(fmt, args...) do {} while (0) #define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) -#define SBP2_NOTICE(fmt, args...) HPSB_NOTICE("sbp2: "fmt, ## args) -#define SBP2_WARN(fmt, args...) HPSB_WARN("sbp2: "fmt, ## args) #endif #define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) @@ -1559,7 +1553,7 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) return -EIO; } - HPSB_DEBUG("Reconnected to SBP-2 device"); + SBP2_INFO("Reconnected to SBP-2 device"); return 0; } @@ -1685,7 +1679,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, * max_sectors on the fly, therefore warn only. */ if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && (max_sectors * 512) > (128 * 1024)) - SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB " + SBP2_INFO("Node " NODE_BUS_FMT ": Bridge only supports 128KB " "max transfer size. WARNING: Current max_sectors " "setting is larger than 128KB (%d sectors)", NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), @@ -1733,8 +1727,7 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) /* Bump down our speed if the user requested it */ if (scsi_id->speed_code > max_speed) { scsi_id->speed_code = max_speed; - SBP2_ERR("Forcing SBP-2 max speed down to %s", - hpsb_speedto_str[scsi_id->speed_code]); + SBP2_INFO("Reducing speed to %s", hpsb_speedto_str[max_speed]); } /* Payload size is the lesser of what our speed supports and what @@ -1749,10 +1742,10 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) payload) payload--; - HPSB_DEBUG("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", - NODE_BUS_ARGS(hi->host, scsi_id->ne->nodeid), - hpsb_speedto_str[scsi_id->speed_code], - SBP2_PAYLOAD_TO_BYTES(payload)); + SBP2_INFO("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", + NODE_BUS_ARGS(hi->host, scsi_id->ne->nodeid), + hpsb_speedto_str[scsi_id->speed_code], + SBP2_PAYLOAD_TO_BYTES(payload)); scsi_id->max_payload_size = payload; return 0; @@ -1997,7 +1990,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, else if (dma_dir == DMA_FROM_DEVICE && scsi_request_bufflen) orb_direction = ORB_DIRECTION_READ_FROM_MEDIA; else { - SBP2_WARN("Falling back to DMA_NONE"); + SBP2_INFO("Falling back to DMA_NONE"); orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; } @@ -2280,7 +2273,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, u32 r = STATUS_GET_RESP(h); if (r != RESP_STATUS_REQUEST_COMPLETE) { - SBP2_WARN("resp 0x%x, sbp_status 0x%x", + SBP2_INFO("resp 0x%x, sbp_status 0x%x", r, STATUS_GET_SBP_STATUS(h)); scsi_status = r == RESP_STATUS_TRANSPORT_FAILURE ? @@ -2587,7 +2580,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) struct sbp2_command_info *command; unsigned long flags; - SBP2_ERR("aborting sbp2 command"); + SBP2_INFO("aborting sbp2 command"); scsi_print_command(SCpnt); if (sbp2util_node_is_available(scsi_id)) { @@ -2628,10 +2621,10 @@ static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) struct scsi_id_instance_data *scsi_id = (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; - SBP2_ERR("reset requested"); + SBP2_INFO("reset requested"); if (sbp2util_node_is_available(scsi_id)) { - SBP2_ERR("Generating sbp2 fetch agent reset"); + SBP2_INFO("generating sbp2 fetch agent reset"); sbp2_agent_reset(scsi_id, 1); } -- cgit v1.2.3 From edf1fb213e5df03983b91bb050bdd2914465a843 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove debug macros No need to keep them in released sources. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 300 ++++-------------------------------------------- 1 file changed, 20 insertions(+), 280 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index ecbb5ee500a..6bd26a91111 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -179,54 +179,9 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) ", or a combination)"); -/* - * Debug levels, configured via kernel config, or enable here. - */ - -#define CONFIG_IEEE1394_SBP2_DEBUG 0 -/* #define CONFIG_IEEE1394_SBP2_DEBUG_ORBS */ -/* #define CONFIG_IEEE1394_SBP2_DEBUG_DMA */ -/* #define CONFIG_IEEE1394_SBP2_DEBUG 1 */ -/* #define CONFIG_IEEE1394_SBP2_DEBUG 2 */ -/* #define CONFIG_IEEE1394_SBP2_PACKET_DUMP */ - -#ifdef CONFIG_IEEE1394_SBP2_DEBUG_ORBS -#define SBP2_ORB_DEBUG(fmt, args...) HPSB_ERR("sbp2(%s): "fmt, __FUNCTION__, ## args) -static u32 global_outstanding_command_orbs = 0; -#define outstanding_orb_incr global_outstanding_command_orbs++ -#define outstanding_orb_decr global_outstanding_command_orbs-- -#else -#define SBP2_ORB_DEBUG(fmt, args...) do {} while (0) -#define outstanding_orb_incr do {} while (0) -#define outstanding_orb_decr do {} while (0) -#endif - -#ifdef CONFIG_IEEE1394_SBP2_DEBUG_DMA -#define SBP2_DMA_ALLOC(fmt, args...) \ - HPSB_ERR("sbp2(%s)alloc(%d): "fmt, __FUNCTION__, \ - ++global_outstanding_dmas, ## args) -#define SBP2_DMA_FREE(fmt, args...) \ - HPSB_ERR("sbp2(%s)free(%d): "fmt, __FUNCTION__, \ - --global_outstanding_dmas, ## args) -static u32 global_outstanding_dmas = 0; -#else -#define SBP2_DMA_ALLOC(fmt, args...) do {} while (0) -#define SBP2_DMA_FREE(fmt, args...) do {} while (0) -#endif -#if CONFIG_IEEE1394_SBP2_DEBUG >= 2 -#define SBP2_DEBUG(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) -#define SBP2_INFO(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) -#elif CONFIG_IEEE1394_SBP2_DEBUG == 1 -#define SBP2_DEBUG(fmt, args...) HPSB_DEBUG("sbp2: "fmt, ## args) -#define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) -#else -#define SBP2_DEBUG(fmt, args...) do {} while (0) -#define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) -#endif - -#define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) -#define SBP2_DEBUG_ENTER() SBP2_DEBUG("%s", __FUNCTION__) +#define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) +#define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) /* * Globals @@ -433,42 +388,6 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length) #define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0) #endif -#ifdef CONFIG_IEEE1394_SBP2_PACKET_DUMP -/* - * Debug packet dump routine. Length is in bytes. - */ -static void sbp2util_packet_dump(void *buffer, int length, char *dump_name, - u32 dump_phys_addr) -{ - int i; - unsigned char *dump = buffer; - - if (!dump || !length || !dump_name) - return; - - if (dump_phys_addr) - printk("[%s, 0x%x]", dump_name, dump_phys_addr); - else - printk("[%s]", dump_name); - for (i = 0; i < length; i++) { - if (i > 0x3f) { - printk("\n ..."); - break; - } - if ((i & 0x3) == 0) - printk(" "); - if ((i & 0xf) == 0) - printk("\n "); - printk("%02x ", (int)dump[i]); - } - printk("\n"); - - return; -} -#else -#define sbp2util_packet_dump(w,x,y,z) do {} while (0) -#endif - static DECLARE_WAIT_QUEUE_HEAD(access_wq); /* @@ -587,13 +506,11 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i pci_map_single(hi->host->pdev, &command->command_orb, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); - SBP2_DMA_ALLOC("single command orb DMA"); command->sge_dma = pci_map_single(hi->host->pdev, &command->scatter_gather_element, sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - SBP2_DMA_ALLOC("scatter_gather_element"); INIT_LIST_HEAD(&command->list); list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed); } @@ -620,12 +537,9 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ pci_unmap_single(host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); - SBP2_DMA_FREE("single command orb DMA"); pci_unmap_single(host->pdev, command->sge_dma, sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - SBP2_DMA_FREE("scatter_gather_element"); - kfree(command); } } @@ -653,9 +567,6 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb( } } spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); - - SBP2_ORB_DEBUG("could not match command orb %x", (unsigned int)orb); - return NULL; } @@ -718,15 +629,13 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command) host = scsi_id->ud->ne->host; if (command->cmd_dma) { - if (command->dma_type == CMD_DMA_SINGLE) { + if (command->dma_type == CMD_DMA_SINGLE) pci_unmap_single(host->pdev, command->cmd_dma, command->dma_size, command->dma_dir); - SBP2_DMA_FREE("single bulk"); - } else if (command->dma_type == CMD_DMA_PAGE) { + else if (command->dma_type == CMD_DMA_PAGE) pci_unmap_page(host->pdev, command->cmd_dma, command->dma_size, command->dma_dir); - SBP2_DMA_FREE("single page"); - } /* XXX: Check for CMD_DMA_NONE bug */ + /* XXX: Check for CMD_DMA_NONE bug */ command->dma_type = CMD_DMA_NONE; command->cmd_dma = 0; } @@ -734,7 +643,6 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command) if (command->sge_buffer) { pci_unmap_sg(host->pdev, command->sge_buffer, command->dma_size, command->dma_dir); - SBP2_DMA_FREE("scatter list"); command->sge_buffer = NULL; } } @@ -769,8 +677,6 @@ static int sbp2_probe(struct device *dev) struct unit_directory *ud; struct scsi_id_instance_data *scsi_id; - SBP2_DEBUG_ENTER(); - ud = container_of(dev, struct unit_directory, device); /* Don't probe UD's that have the LUN flag. We'll probe the LUN(s) @@ -794,8 +700,6 @@ static int sbp2_remove(struct device *dev) struct scsi_id_instance_data *scsi_id; struct scsi_device *sdev; - SBP2_DEBUG_ENTER(); - ud = container_of(dev, struct unit_directory, device); scsi_id = ud->device.driver_data; if (!scsi_id) @@ -827,8 +731,6 @@ static int sbp2_update(struct unit_directory *ud) { struct scsi_id_instance_data *scsi_id = ud->device.driver_data; - SBP2_DEBUG_ENTER(); - if (sbp2_reconnect_device(scsi_id)) { /* @@ -877,8 +779,6 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud struct Scsi_Host *scsi_host = NULL; struct scsi_id_instance_data *scsi_id = NULL; - SBP2_DEBUG_ENTER(); - scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL); if (!scsi_id) { SBP2_ERR("failed to create scsi_id"); @@ -906,7 +806,6 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud SBP2_ERR("failed to allocate hostinfo"); goto failed_alloc; } - SBP2_DEBUG("sbp2_alloc_device: allocated hostinfo"); hi->host = ud->ne->host; INIT_LIST_HEAD(&hi->scsi_ids); @@ -997,8 +896,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) struct sbp2scsi_host_info *hi = scsi_id->hi; int error; - SBP2_DEBUG_ENTER(); - /* Login FIFO DMA */ scsi_id->login_response = pci_alloc_consistent(hi->host->pdev, @@ -1006,7 +903,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->login_response_dma); if (!scsi_id->login_response) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for login FIFO"); /* Query logins ORB DMA */ scsi_id->query_logins_orb = @@ -1015,7 +911,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->query_logins_orb_dma); if (!scsi_id->query_logins_orb) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for query logins ORB"); /* Query logins response DMA */ scsi_id->query_logins_response = @@ -1024,7 +919,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->query_logins_response_dma); if (!scsi_id->query_logins_response) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for query logins response"); /* Reconnect ORB DMA */ scsi_id->reconnect_orb = @@ -1033,7 +927,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->reconnect_orb_dma); if (!scsi_id->reconnect_orb) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for reconnect ORB"); /* Logout ORB DMA */ scsi_id->logout_orb = @@ -1042,7 +935,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->logout_orb_dma); if (!scsi_id->logout_orb) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for logout ORB"); /* Login ORB DMA */ scsi_id->login_orb = @@ -1051,9 +943,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) &scsi_id->login_orb_dma); if (!scsi_id->login_orb) goto alloc_fail; - SBP2_DMA_ALLOC("consistent DMA region for login ORB"); - - SBP2_DEBUG("New SBP-2 device inserted, SCSI ID = %x", scsi_id->ud->id); /* * Create our command orb pool @@ -1123,8 +1012,6 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi; - SBP2_DEBUG_ENTER(); - if (!scsi_id) return; @@ -1140,53 +1027,36 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) list_del(&scsi_id->scsi_list); - if (scsi_id->login_response) { + if (scsi_id->login_response) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_login_response), scsi_id->login_response, scsi_id->login_response_dma); - SBP2_DMA_FREE("single login FIFO"); - } - - if (scsi_id->login_orb) { + if (scsi_id->login_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_login_orb), scsi_id->login_orb, scsi_id->login_orb_dma); - SBP2_DMA_FREE("single login ORB"); - } - - if (scsi_id->reconnect_orb) { + if (scsi_id->reconnect_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_reconnect_orb), scsi_id->reconnect_orb, scsi_id->reconnect_orb_dma); - SBP2_DMA_FREE("single reconnect orb"); - } - - if (scsi_id->logout_orb) { + if (scsi_id->logout_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_logout_orb), scsi_id->logout_orb, scsi_id->logout_orb_dma); - SBP2_DMA_FREE("single logout orb"); - } - - if (scsi_id->query_logins_orb) { + if (scsi_id->query_logins_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_orb), scsi_id->query_logins_orb, scsi_id->query_logins_orb_dma); - SBP2_DMA_FREE("single query logins orb"); - } - - if (scsi_id->query_logins_response) { + if (scsi_id->query_logins_response) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_response), scsi_id->query_logins_response, scsi_id->query_logins_response_dma); - SBP2_DMA_FREE("single query logins data"); - } if (scsi_id->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, @@ -1197,8 +1067,6 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) if (hi) module_put(hi->host->driver->owner); - SBP2_DEBUG("SBP-2 device removed, SCSI ID = %d", scsi_id->ud->id); - kfree(scsi_id); } @@ -1216,8 +1084,6 @@ static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, * Manually put the data in the right place. */ memcpy(bus_to_virt((u32) addr), data, length); - sbp2util_packet_dump(data, length, "sbp2 phys dma write by device", - (u32) addr); return RCODE_COMPLETE; } @@ -1234,8 +1100,6 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, * Grab data from memory and send a read response. */ memcpy(data, bus_to_virt((u32) addr), length); - sbp2util_packet_dump(data, length, "sbp2 phys dma read by device", - (u32) addr); return RCODE_COMPLETE; } #endif @@ -1255,8 +1119,6 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) int max_logins; int active_logins; - SBP2_DEBUG_ENTER(); - scsi_id->query_logins_orb->reserved1 = 0x0; scsi_id->query_logins_orb->reserved2 = 0x0; @@ -1277,9 +1139,6 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb)); - sbp2util_packet_dump(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb), - "sbp2 query logins orb", scsi_id->query_logins_orb_dma); - memset(scsi_id->query_logins_response, 0, sizeof(struct sbp2_query_logins_response)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); @@ -1305,9 +1164,6 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_response, sizeof(struct sbp2_query_logins_response)); - SBP2_DEBUG("length_max_logins = %x", - (unsigned int)scsi_id->query_logins_response->length_max_logins); - max_logins = RESPONSE_GET_MAX_LOGINS(scsi_id->query_logins_response->length_max_logins); SBP2_INFO("Maximum concurrent logins supported: %d", max_logins); @@ -1330,12 +1186,8 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) struct sbp2scsi_host_info *hi = scsi_id->hi; quadlet_t data[2]; - SBP2_DEBUG_ENTER(); - - if (!scsi_id->login_orb) { - SBP2_DEBUG("%s: login_orb not alloc'd!", __FUNCTION__); + if (!scsi_id->login_orb) return -EIO; - } if (!exclusive_login) { if (sbp2_query_logins(scsi_id)) { @@ -1367,9 +1219,6 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(scsi_id->login_orb, sizeof(struct sbp2_login_orb)); - sbp2util_packet_dump(scsi_id->login_orb, sizeof(struct sbp2_login_orb), - "sbp2 login orb", scsi_id->login_orb_dma); - memset(scsi_id->login_response, 0, sizeof(struct sbp2_login_response)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); @@ -1408,11 +1257,6 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) /* * Grab our command block agent address from the login response. */ - SBP2_DEBUG("command_block_agent_hi = %x", - (unsigned int)scsi_id->login_response->command_block_agent_hi); - SBP2_DEBUG("command_block_agent_lo = %x", - (unsigned int)scsi_id->login_response->command_block_agent_lo); - scsi_id->sbp2_command_block_agent_addr = ((u64)scsi_id->login_response->command_block_agent_hi) << 32; scsi_id->sbp2_command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); @@ -1432,8 +1276,6 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) quadlet_t data[2]; int error; - SBP2_DEBUG_ENTER(); - /* * Set-up logout ORB */ @@ -1459,9 +1301,6 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) */ sbp2util_cpu_to_be32_buffer(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb)); - sbp2util_packet_dump(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb), - "sbp2 logout orb", scsi_id->logout_orb_dma); - /* * Ok, let's write to the target's management agent register */ @@ -1492,8 +1331,6 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) quadlet_t data[2]; int error; - SBP2_DEBUG_ENTER(); - /* * Set-up reconnect ORB */ @@ -1520,9 +1357,6 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) */ sbp2util_cpu_to_be32_buffer(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb)); - sbp2util_packet_dump(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb), - "sbp2 reconnect orb", scsi_id->reconnect_orb_dma); - data[0] = ORB_SET_NODE_ID(hi->host->node_id); data[1] = scsi_id->reconnect_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); @@ -1565,8 +1399,6 @@ static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) { quadlet_t data; - SBP2_DEBUG_ENTER(); - data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE); if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) SBP2_ERR("%s error", __FUNCTION__); @@ -1589,8 +1421,6 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, unsigned workarounds; int i; - SBP2_DEBUG_ENTER(); - management_agent_addr = 0x0; command_set_spec_id = 0x0; command_set = 0x0; @@ -1601,32 +1431,25 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { switch (kv->key.id) { case CSR1212_KV_ID_DEPENDENT_INFO: - if (kv->key.type == CSR1212_KV_TYPE_CSR_OFFSET) { + if (kv->key.type == CSR1212_KV_TYPE_CSR_OFFSET) /* Save off the management agent address */ management_agent_addr = CSR1212_REGISTER_SPACE_BASE + (kv->value.csr_offset << 2); - SBP2_DEBUG("sbp2_management_agent_addr = %x", - (unsigned int)management_agent_addr); - } else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) { + else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) scsi_id->sbp2_lun = ORB_SET_LUN(kv->value.immediate); - } break; case SBP2_COMMAND_SET_SPEC_ID_KEY: /* Command spec organization */ command_set_spec_id = kv->value.immediate; - SBP2_DEBUG("sbp2_command_set_spec_id = %x", - (unsigned int)command_set_spec_id); break; case SBP2_COMMAND_SET_KEY: /* Command set used by sbp2 device */ command_set = kv->value.immediate; - SBP2_DEBUG("sbp2_command_set = %x", - (unsigned int)command_set); break; case SBP2_UNIT_CHARACTERISTICS_KEY: @@ -1635,15 +1458,11 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, * that I'm not yet paying attention to) */ unit_characteristics = kv->value.immediate; - SBP2_DEBUG("sbp2_unit_characteristics = %x", - (unsigned int)unit_characteristics); break; case SBP2_FIRMWARE_REVISION_KEY: /* Firmware revision */ firmware_revision = kv->value.immediate; - SBP2_DEBUG("sbp2_firmware_revision = %x", - (unsigned int)firmware_revision); break; default: @@ -1719,8 +1538,6 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) struct sbp2scsi_host_info *hi = scsi_id->hi; u8 payload; - SBP2_DEBUG_ENTER(); - scsi_id->speed_code = hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; @@ -1761,8 +1578,6 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) int retval; unsigned long flags; - SBP2_DEBUG_ENTER(); - cancel_delayed_work(&scsi_id->protocol_work); if (wait) flush_scheduled_work(); @@ -1806,7 +1621,6 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, if ((scsi_use_sg == 1) && (sgpnt[0].length <= SBP2_MAX_SG_ELEMENT_LENGTH)) { - SBP2_DEBUG("Only one s/g element"); command->dma_size = sgpnt[0].length; command->dma_type = CMD_DMA_PAGE; command->cmd_dma = pci_map_page(hi->host->pdev, @@ -1814,7 +1628,6 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, sgpnt[0].offset, command->dma_size, command->dma_dir); - SBP2_DMA_ALLOC("single page scatter element"); orb->data_descriptor_lo = command->cmd_dma; orb->misc |= ORB_SET_DATA_SIZE(command->dma_size); @@ -1827,8 +1640,6 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, int i, count = pci_map_sg(hi->host->pdev, sgpnt, scsi_use_sg, dma_dir); - SBP2_DMA_ALLOC("scatter list"); - command->dma_size = scsi_use_sg; command->sge_buffer = sgpnt; @@ -1862,10 +1673,6 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, /* Number of page table (s/g) elements */ orb->misc |= ORB_SET_DATA_SIZE(sg_count); - sbp2util_packet_dump(sg_element, - (sizeof(struct sbp2_unrestricted_page_table)) * sg_count, - "sbp2 s/g list", command->sge_dma); - /* Byte swap page tables if necessary */ sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * @@ -1890,8 +1697,6 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); - SBP2_DMA_ALLOC("single bulk"); - /* * Handle case where we get a command w/o s/g enabled (but * check for transfers larger than 64K) @@ -1941,10 +1746,6 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, /* Number of page table (s/g) elements */ orb->misc |= ORB_SET_DATA_SIZE(sg_count); - sbp2util_packet_dump(sg_element, - (sizeof(struct sbp2_unrestricted_page_table)) * sg_count, - "sbp2 s/g list", command->sge_dma); - /* Byte swap page tables if necessary */ sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * @@ -1996,20 +1797,16 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, /* Set-up our pagetable stuff */ if (orb_direction == ORB_DIRECTION_NO_DATA_TRANSFER) { - SBP2_DEBUG("No data transfer"); command_orb->data_descriptor_hi = 0x0; command_orb->data_descriptor_lo = 0x0; command_orb->misc |= ORB_SET_DIRECTION(1); - } else if (scsi_use_sg) { - SBP2_DEBUG("Use scatter/gather"); + } else if (scsi_use_sg) sbp2_prep_command_orb_sg(command_orb, hi, command, scsi_use_sg, sgpnt, orb_direction, dma_dir); - } else { - SBP2_DEBUG("No scatter/gather"); + else sbp2_prep_command_orb_no_sg(command_orb, hi, command, sgpnt, orb_direction, scsi_request_bufflen, scsi_request_buffer, dma_dir); - } /* Byte swap command ORB if necessary */ sbp2util_cpu_to_be32_buffer(command_orb, sizeof(struct sbp2_command_orb)); @@ -2034,10 +1831,6 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, size_t length; unsigned long flags; - outstanding_orb_incr; - SBP2_ORB_DEBUG("sending command orb %p, total orbs = %x", - command_orb, global_outstanding_command_orbs); - pci_dma_sync_single_for_device(hi->host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); @@ -2086,8 +1879,6 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, scsi_id->last_orb_dma = command->command_orb_dma; spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); - SBP2_ORB_DEBUG("write to %s register, command orb %p", - last_orb ? "DOORBELL" : "ORB_POINTER", command_orb); if (sbp2util_node_write_no_wait(scsi_id->ne, addr, data, length)) { /* * sbp2util_node_write_no_wait failed. We certainly ran out @@ -2116,17 +1907,12 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, unsigned int request_bufflen = SCpnt->request_bufflen; struct sbp2_command_info *command; - SBP2_DEBUG_ENTER(); - SBP2_DEBUG("SCSI transfer size = %x", request_bufflen); - SBP2_DEBUG("SCSI s/g elements = %x", (unsigned int)SCpnt->use_sg); - /* * Allocate a command orb and s/g structure */ command = sbp2util_allocate_command_orb(scsi_id, SCpnt, done); - if (!command) { + if (!command) return -EIO; - } /* * Now actually fill in the comamnd orb and sbp2 s/g list @@ -2135,9 +1921,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, request_bufflen, SCpnt->request_buffer, SCpnt->sc_data_direction); - sbp2util_packet_dump(&command->command_orb, sizeof(struct sbp2_command_orb), - "sbp2 command orb", command->command_orb_dma); - /* * Link up the orb, and ring the doorbell if needed */ @@ -2151,8 +1934,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, */ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data) { - SBP2_DEBUG_ENTER(); - /* * Ok, it's pretty ugly... ;-) */ @@ -2191,10 +1972,6 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, struct sbp2_command_info *command; unsigned long flags; - SBP2_DEBUG_ENTER(); - - sbp2util_packet_dump(data, length, "sbp2 status write by device", (u32)addr); - if (unlikely(length < 8 || length > sizeof(struct sbp2_status_block))) { SBP2_ERR("Wrong size of status block"); return RCODE_ADDRESS_ERROR; @@ -2244,17 +2021,12 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, command = sbp2util_find_command_for_orb(scsi_id, sb->ORB_offset_lo); if (command) { - SBP2_DEBUG("Found status for command ORB"); pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - - SBP2_ORB_DEBUG("matched command orb %p", &command->command_orb); - outstanding_orb_decr; - /* * Matched status with command, now grab scsi command pointers * and check status. @@ -2283,21 +2055,15 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, /* * See if the target stored any scsi status information. */ - if (STATUS_GET_LEN(h) > 1) { - SBP2_DEBUG("CHECK CONDITION"); + if (STATUS_GET_LEN(h) > 1) scsi_status = sbp2_status_to_sense_data( (unchar *)sb, SCpnt->sense_buffer); - } /* * Check to see if the dead bit is set. If so, we'll * have to initiate a fetch agent reset. */ - if (STATUS_TEST_DEAD(h)) { - SBP2_DEBUG("Dead bit set - " - "initiating fetch agent reset"); + if (STATUS_TEST_DEAD(h)) sbp2_agent_reset(scsi_id, 0); - } - SBP2_ORB_DEBUG("completing command orb %p", &command->command_orb); } /* @@ -2326,13 +2092,9 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, } } - if (SCpnt) { - SBP2_DEBUG("Completing SCSI command"); + if (SCpnt) sbp2scsi_complete_command(scsi_id, scsi_status, SCpnt, command->Current_done); - SBP2_ORB_DEBUG("command orb completed"); - } - return RCODE_COMPLETE; } @@ -2352,11 +2114,6 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, struct sbp2scsi_host_info *hi; int result = DID_NO_CONNECT << 16; - SBP2_DEBUG_ENTER(); -#if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP) - scsi_print_command(SCpnt); -#endif - if (!sbp2util_node_is_available(scsi_id)) goto done; @@ -2379,7 +2136,6 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, * (autorequest sense) */ if (SCpnt->cmnd[0] == REQUEST_SENSE) { - SBP2_DEBUG("REQUEST_SENSE"); memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen); memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_GOOD, SCpnt, done); @@ -2433,11 +2189,8 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id struct sbp2_command_info *command; unsigned long flags; - SBP2_DEBUG_ENTER(); - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { - SBP2_DEBUG("Found pending command to complete"); lh = scsi_id->sbp2_command_orb_inuse.next; command = list_entry(lh, struct sbp2_command_info, list); pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, @@ -2466,8 +2219,6 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, u32 scsi_status, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { - SBP2_DEBUG_ENTER(); - /* * Sanity */ @@ -2490,12 +2241,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, break; case SBP2_SCSI_STATUS_CHECK_CONDITION: - SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION"); SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16; -#if CONFIG_IEEE1394_SBP2_DEBUG >= 1 - scsi_print_command(SCpnt); - scsi_print_sense(SBP2_DEVICE_NAME, SCpnt); -#endif break; case SBP2_SCSI_STATUS_SELECTION_TIMEOUT: @@ -2590,7 +2336,6 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt); if (command) { - SBP2_DEBUG("Found command to abort"); pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), @@ -2660,8 +2405,6 @@ static int sbp2_module_init(void) { int ret; - SBP2_DEBUG_ENTER(); - /* Module load debug option to force one command at a time (serializing I/O) */ if (serialize_io) { scsi_driver_template.can_queue = 1; @@ -2688,10 +2431,7 @@ static int sbp2_module_init(void) static void __exit sbp2_module_exit(void) { - SBP2_DEBUG_ENTER(); - hpsb_unregister_protocol(&sbp2_driver); - hpsb_unregister_highlevel(&sbp2_highlevel); } -- cgit v1.2.3 From 424a9642b8b436bba04ad5d2d254b43757166cdf Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: coding style of some macros Adjust parentheses, indentation, line lengths. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.h | 155 ++++++++++++++++++++++++------------------------ 1 file changed, 78 insertions(+), 77 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 56917b9fa22..7b424202466 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -28,22 +28,22 @@ * SBP2 specific structures and defines */ -#define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 -#define ORB_DIRECTION_READ_FROM_MEDIA 0x1 -#define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 - -#define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) -#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) -#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ -#define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) -#define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id)) -#define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff) -#define ORB_SET_DATA_SIZE(value) (value & 0xffff) -#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) -#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) -#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) -#define ORB_SET_SPEED(value) ((value & 0x7) << 24) -#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) +#define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 +#define ORB_DIRECTION_READ_FROM_MEDIA 0x1 +#define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 + +#define ORB_SET_NULL_PTR(v) (((v) & 0x1) << 31) +#define ORB_SET_NOTIFY(v) (((v) & 0x1) << 31) +#define ORB_SET_RQ_FMT(v) (((v) & 0x3) << 29) +#define ORB_SET_NODE_ID(v) (((v) & 0xffff) << 16) +#define ORB_SET_STATUS_FIFO_HI(v, id) ((v) >> 32 | ORB_SET_NODE_ID(id)) +#define ORB_SET_STATUS_FIFO_LO(v) ((v) & 0xffffffff) +#define ORB_SET_DATA_SIZE(v) ((v) & 0xffff) +#define ORB_SET_PAGE_SIZE(v) (((v) & 0x7) << 16) +#define ORB_SET_PAGE_TABLE_PRESENT(v) (((v) & 0x1) << 19) +#define ORB_SET_MAX_PAYLOAD(v) (((v) & 0xf) << 20) +#define ORB_SET_SPEED(v) (((v) & 0x7) << 24) +#define ORB_SET_DIRECTION(v) (((v) & 0x1) << 27) struct sbp2_command_orb { u32 next_ORB_hi; @@ -64,12 +64,12 @@ struct sbp2_command_orb { #define SBP2_LOGICAL_UNIT_RESET 0xe #define SBP2_TARGET_RESET_REQUEST 0xf -#define ORB_SET_LUN(value) (value & 0xffff) -#define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) -#define ORB_SET_RECONNECT(value) ((value & 0xf) << 20) -#define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28) -#define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff) -#define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16) +#define ORB_SET_LUN(v) ((v) & 0xffff) +#define ORB_SET_FUNCTION(v) (((v) & 0xf) << 16) +#define ORB_SET_RECONNECT(v) (((v) & 0xf) << 20) +#define ORB_SET_EXCLUSIVE(v) (((v) & 0x1) << 28) +#define ORB_SET_LOGIN_RESP_LENGTH(v) ((v) & 0xffff) +#define ORB_SET_PASSWD_LENGTH(v) (((v) & 0xffff) << 16) struct sbp2_login_orb { u32 password_hi; @@ -82,9 +82,9 @@ struct sbp2_login_orb { u32 status_fifo_lo; } __attribute__((packed)); -#define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) -#define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) -#define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff) +#define RESPONSE_GET_LOGIN_ID(v) ((v) & 0xffff) +#define RESPONSE_GET_LENGTH(v) (((v) >> 16) & 0xffff) +#define RESPONSE_GET_RECONNECT_HOLD(v) ((v) & 0xffff) struct sbp2_login_response { u32 length_login_ID; @@ -93,9 +93,8 @@ struct sbp2_login_response { u32 reconnect_hold; } __attribute__((packed)); -#define ORB_SET_LOGIN_ID(value) (value & 0xffff) - -#define ORB_SET_QUERY_LOGINS_RESP_LENGTH(value) (value & 0xffff) +#define ORB_SET_LOGIN_ID(v) ((v) & 0xffff) +#define ORB_SET_QUERY_LOGINS_RESP_LENGTH(v) ((v) & 0xffff) struct sbp2_query_logins_orb { u32 reserved1; @@ -108,8 +107,8 @@ struct sbp2_query_logins_orb { u32 status_fifo_lo; } __attribute__((packed)); -#define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) -#define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) +#define RESPONSE_GET_MAX_LOGINS(v) ((v) & 0xffff) +#define RESPONSE_GET_ACTIVE_LOGINS(v) ((RESPONSE_GET_LENGTH((v)) - 4) / 12) struct sbp2_query_logins_response { u32 length_max_logins; @@ -140,8 +139,8 @@ struct sbp2_logout_orb { u32 status_fifo_lo; } __attribute__((packed)); -#define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) -#define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) +#define PAGE_TABLE_SET_SEGMENT_BASE_HI(v) ((v) & 0xffff) +#define PAGE_TABLE_SET_SEGMENT_LENGTH(v) (((v) & 0xffff) << 16) struct sbp2_unrestricted_page_table { u32 length_segment_base_hi; @@ -171,23 +170,14 @@ struct sbp2_unrestricted_page_table { #define SFMT_DEFERRED_ERROR 0x1 #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 -#define SBP2_SCSI_STATUS_GOOD 0x0 -#define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 -#define SBP2_SCSI_STATUS_CONDITION_MET 0x4 -#define SBP2_SCSI_STATUS_BUSY 0x8 -#define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 -#define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 - -#define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff - -#define STATUS_GET_SRC(value) (((value) >> 30) & 0x3) -#define STATUS_GET_RESP(value) (((value) >> 28) & 0x3) -#define STATUS_GET_LEN(value) (((value) >> 24) & 0x7) -#define STATUS_GET_SBP_STATUS(value) (((value) >> 16) & 0xff) -#define STATUS_GET_ORB_OFFSET_HI(value) ((value) & 0x0000ffff) -#define STATUS_TEST_DEAD(value) ((value) & 0x08000000) +#define STATUS_GET_SRC(v) (((v) >> 30) & 0x3) +#define STATUS_GET_RESP(v) (((v) >> 28) & 0x3) +#define STATUS_GET_LEN(v) (((v) >> 24) & 0x7) +#define STATUS_GET_SBP_STATUS(v) (((v) >> 16) & 0xff) +#define STATUS_GET_ORB_OFFSET_HI(v) ((v) & 0x0000ffff) +#define STATUS_TEST_DEAD(v) ((v) & 0x08000000) /* test 'resp' | 'dead' | 'sbp2_status' */ -#define STATUS_TEST_RDS(value) ((value) & 0x38ff0000) +#define STATUS_TEST_RDS(v) ((v) & 0x38ff0000) struct sbp2_status_block { u32 ORB_offset_hi_misc; @@ -199,49 +189,53 @@ struct sbp2_status_block { * Miscellaneous SBP2 related config rom defines */ -#define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 -#define SBP2_CSR_OFFSET_KEY 0x54 -#define SBP2_UNIT_SPEC_ID_KEY 0x12 -#define SBP2_UNIT_SW_VERSION_KEY 0x13 -#define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 -#define SBP2_COMMAND_SET_KEY 0x39 -#define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a -#define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 -#define SBP2_FIRMWARE_REVISION_KEY 0x3c +#define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 +#define SBP2_CSR_OFFSET_KEY 0x54 +#define SBP2_UNIT_SPEC_ID_KEY 0x12 +#define SBP2_UNIT_SW_VERSION_KEY 0x13 +#define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 +#define SBP2_COMMAND_SET_KEY 0x39 +#define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a +#define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 +#define SBP2_FIRMWARE_REVISION_KEY 0x3c -#define SBP2_AGENT_STATE_OFFSET 0x00ULL -#define SBP2_AGENT_RESET_OFFSET 0x04ULL -#define SBP2_ORB_POINTER_OFFSET 0x08ULL -#define SBP2_DOORBELL_OFFSET 0x10ULL -#define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL -#define SBP2_UNSOLICITED_STATUS_VALUE 0xf +#define SBP2_AGENT_STATE_OFFSET 0x00ULL +#define SBP2_AGENT_RESET_OFFSET 0x04ULL +#define SBP2_ORB_POINTER_OFFSET 0x08ULL +#define SBP2_DOORBELL_OFFSET 0x10ULL +#define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL +#define SBP2_UNSOLICITED_STATUS_VALUE 0xf -#define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL -#define SBP2_BUSY_TIMEOUT_VALUE 0xf +#define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL +#define SBP2_BUSY_TIMEOUT_VALUE 0xf -#define SBP2_AGENT_RESET_DATA 0xf +#define SBP2_AGENT_RESET_DATA 0xf /* * Unit spec id and sw version entry for SBP-2 devices */ -#define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e -#define SBP2_SW_VERSION_ENTRY 0x00010483 +#define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e +#define SBP2_SW_VERSION_ENTRY 0x00010483 /* * SCSI specific stuff */ -#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 -#define SBP2_MAX_SECTORS 255 /* Max sectors supported */ -#define SBP2_MAX_CMDS 8 /* This should be safe */ +#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 +#define SBP2_MAX_SECTORS 255 +/* There is no real limitation of the queue depth (i.e. length of the linked + * list of command ORBs) at the target. The chosen depth is merely an + * implementation detail of the sbp2 driver. */ +#define SBP2_MAX_CMDS 8 -/* Flags for detected oddities and brokeness */ -#define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 -#define SBP2_WORKAROUND_INQUIRY_36 0x2 -#define SBP2_WORKAROUND_MODE_SENSE_8 0x4 -#define SBP2_WORKAROUND_FIX_CAPACITY 0x8 -#define SBP2_WORKAROUND_OVERRIDE 0x100 +#define SBP2_SCSI_STATUS_GOOD 0x0 +#define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 +#define SBP2_SCSI_STATUS_CONDITION_MET 0x4 +#define SBP2_SCSI_STATUS_BUSY 0x8 +#define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 +#define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 +#define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff /* This is the two dma types we use for cmd_dma below */ enum cmd_dma_types { @@ -364,4 +358,11 @@ struct sbp2scsi_host_info { struct list_head scsi_ids; /* List of scsi ids on this host */ }; +/* Flags for detected oddities and brokeness */ +#define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 +#define SBP2_WORKAROUND_INQUIRY_36 0x2 +#define SBP2_WORKAROUND_MODE_SENSE_8 0x4 +#define SBP2_WORKAROUND_FIX_CAPACITY 0x8 +#define SBP2_WORKAROUND_OVERRIDE 0x100 + #endif /* SBP2_H */ -- cgit v1.2.3 From bec4f749cb75d30cebf9837985a06474f595f3ae Mon Sep 17 00:00:00 2001 From: Thomas Koeller Date: Wed, 6 Dec 2006 01:45:26 +0100 Subject: [WATCHDOG] rm9k_wdt: fix compilation Driver did not compile any more. Someone moved the definition of 'struct miscdevice miscdev' to a place near the end of the file, after some code that was refering to this variable. Signed-off-by: Thomas Koeller Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index ec3909371c2..bc7def48e0e 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -94,6 +94,26 @@ module_param(nowayout, bool, 0444); MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); +/* Kernel interfaces */ +static struct file_operations fops = { + .owner = THIS_MODULE, + .open = wdt_gpi_open, + .release = wdt_gpi_release, + .write = wdt_gpi_write, + .unlocked_ioctl = wdt_gpi_ioctl, +}; + +static struct miscdevice miscdev = { + .minor = WATCHDOG_MINOR, + .name = wdt_gpi_name, + .fops = &fops, +}; + +static struct notifier_block wdt_gpi_shutdown = { + .notifier_call = wdt_gpi_notify, +}; + + /* Interrupt handler */ static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) { @@ -312,26 +332,6 @@ wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) } -/* Kernel interfaces */ -static struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - /* Init & exit procedures */ static const struct resource * wdt_gpi_get_resource(struct platform_device *pdv, const char *name, -- cgit v1.2.3 From d19c77641412a257fa651662b96fec826e9e7e60 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 7 Dec 2006 22:40:33 +0100 Subject: ieee1394: sbp2: delayed_work -> work_struct This work is not delayed. Also bring the code format in a state which reduces my work to merge pending sbp2 patchs. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 26 +++++++++++--------------- drivers/ieee1394/sbp2.h | 2 +- 2 files changed, 12 insertions(+), 16 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 6bd26a91111..5156b88b0f2 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -462,23 +462,18 @@ static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id, static void sbp2util_write_orb_pointer(struct work_struct *work) { - struct scsi_id_instance_data *scsi_id = - container_of(work, struct scsi_id_instance_data, - protocol_work.work); quadlet_t data[2]; - data[0] = ORB_SET_NODE_ID(scsi_id->hi->host->node_id); - data[1] = scsi_id->last_orb_dma; + data[0] = ORB_SET_NODE_ID( + (container_of(work, struct scsi_id_instance_data, protocol_work))->hi->host->node_id); + data[1] = (container_of(work, struct scsi_id_instance_data, protocol_work))->last_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - sbp2util_notify_fetch_agent(scsi_id, SBP2_ORB_POINTER_OFFSET, data, 8); + sbp2util_notify_fetch_agent(container_of(work, struct scsi_id_instance_data, protocol_work), SBP2_ORB_POINTER_OFFSET, data, 8); } static void sbp2util_write_doorbell(struct work_struct *work) { - struct scsi_id_instance_data *scsi_id = - container_of(work, struct scsi_id_instance_data, - protocol_work.work); - sbp2util_notify_fetch_agent(scsi_id, SBP2_DOORBELL_OFFSET, NULL, 4); + sbp2util_notify_fetch_agent(container_of(work, struct scsi_id_instance_data, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4); } /* @@ -795,7 +790,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud INIT_LIST_HEAD(&scsi_id->scsi_list); spin_lock_init(&scsi_id->sbp2_command_orb_lock); atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); - INIT_DELAYED_WORK(&scsi_id->protocol_work, NULL); + INIT_WORK(&scsi_id->protocol_work, NULL); ud->device.driver_data = scsi_id; @@ -1578,7 +1573,7 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) int retval; unsigned long flags; - cancel_delayed_work(&scsi_id->protocol_work); + /* cancel_delayed_work(&scsi_id->protocol_work); */ if (wait) flush_scheduled_work(); @@ -1889,10 +1884,11 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, * We do not accept new commands until the job is over. */ scsi_block_requests(scsi_id->scsi_host); - PREPARE_DELAYED_WORK(&scsi_id->protocol_work, + PREPARE_WORK(&scsi_id->protocol_work, last_orb ? sbp2util_write_doorbell: - sbp2util_write_orb_pointer); - schedule_delayed_work(&scsi_id->protocol_work, 0); + sbp2util_write_orb_pointer + /* */); + schedule_work(&scsi_id->protocol_work); } } diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 7b424202466..5483b458bd7 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -342,7 +342,7 @@ struct scsi_id_instance_data { unsigned workarounds; atomic_t state; - struct delayed_work protocol_work; + struct work_struct protocol_work; }; /* For use in scsi_id_instance_data.state */ -- cgit v1.2.3 From 74e86ab884fb491c208905bdc32a9d95740be583 Mon Sep 17 00:00:00 2001 From: Thomas Koeller Date: Wed, 6 Dec 2006 01:45:39 +0100 Subject: [WATCHDOG] rm9k_wdt: fix interrupt handler arguments Removed 'struct pt_regs *' from interrupt handler arguments. Signed-off-by: Thomas Koeller Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/rm9k_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index bc7def48e0e..7576a13e86b 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -47,7 +47,7 @@ /* Function prototypes */ -static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); +static irqreturn_t wdt_gpi_irqhdl(int, void *); static void wdt_gpi_start(void); static void wdt_gpi_stop(void); static void wdt_gpi_set_timeout(unsigned int); @@ -115,7 +115,7 @@ static struct notifier_block wdt_gpi_shutdown = { /* Interrupt handler */ -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) +static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt) { if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) return IRQ_NONE; -- cgit v1.2.3 From e8ca5668f1546dacc85abcc06511ed113fd929c3 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove superfluous comments And update and reformat remaining comments. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 384 ++++++++++-------------------------------------- drivers/ieee1394/sbp2.h | 80 +++++----- 2 files changed, 109 insertions(+), 355 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 5156b88b0f2..625f1eb8069 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -404,15 +404,15 @@ static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id, return leftover <= 0; } -/* Frees an allocated packet */ static void sbp2_free_packet(struct hpsb_packet *packet) { hpsb_free_tlabel(packet); hpsb_free_packet(packet); } -/* This is much like hpsb_node_write(), except it ignores the response - * subaction and returns immediately. Can be used from interrupts. +/* + * This is much like hpsb_node_write(), except it ignores the response + * subaction and returns immediately. Can be used from atomic context. */ static int sbp2util_node_write_no_wait(struct node_entry *ne, u64 addr, quadlet_t *buffer, size_t length) @@ -476,10 +476,6 @@ static void sbp2util_write_doorbell(struct work_struct *work) sbp2util_notify_fetch_agent(container_of(work, struct scsi_id_instance_data, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4); } -/* - * This function is called to create a pool of command orbs used for - * command processing. It is called when a new sbp2 device is detected. - */ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; @@ -513,9 +509,6 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i return 0; } -/* - * This function is called to delete a pool of command orbs. - */ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id) { struct hpsb_host *host = scsi_id->hi->host; @@ -527,8 +520,6 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ if (!list_empty(&scsi_id->sbp2_command_orb_completed)) { list_for_each_safe(lh, next, &scsi_id->sbp2_command_orb_completed) { command = list_entry(lh, struct sbp2_command_info, list); - - /* Release our generic DMA's */ pci_unmap_single(host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); @@ -543,8 +534,8 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ } /* - * This function finds the sbp2_command for a given outstanding command - * orb.Only looks at the inuse list. + * Finds the sbp2_command for a given outstanding command ORB. + * Only looks at the in-use list. */ static struct sbp2_command_info *sbp2util_find_command_for_orb( struct scsi_id_instance_data *scsi_id, dma_addr_t orb) @@ -566,8 +557,8 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb( } /* - * This function finds the sbp2_command for a given outstanding SCpnt. - * Only looks at the inuse list. + * Finds the sbp2_command for a given outstanding SCpnt. + * Only looks at the in-use list. * Must be called with scsi_id->sbp2_command_orb_lock held. */ static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( @@ -582,9 +573,6 @@ static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( return NULL; } -/* - * This function allocates a command orb used to send a scsi command. - */ static struct sbp2_command_info *sbp2util_allocate_command_orb( struct scsi_id_instance_data *scsi_id, struct scsi_cmnd *Current_SCpnt, @@ -609,7 +597,6 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb( return command; } -/* Free our DMA's */ static void sbp2util_free_command_dma(struct sbp2_command_info *command) { struct scsi_id_instance_data *scsi_id = @@ -705,7 +692,7 @@ static int sbp2_remove(struct device *dev) * send them. */ if (!sbp2util_node_is_available(scsi_id)) sbp2scsi_complete_all_commands(scsi_id, DID_NO_CONNECT); - /* scsi_remove_device() will trigger shutdown functions of SCSI + /* scsi_remove_device() may trigger shutdown functions of SCSI * highlevel drivers which would deadlock if blocked. */ atomic_set(&scsi_id->state, SBP2LU_STATE_IN_SHUTDOWN); scsi_unblock_requests(scsi_id->scsi_host); @@ -727,12 +714,9 @@ static int sbp2_update(struct unit_directory *ud) struct scsi_id_instance_data *scsi_id = ud->device.driver_data; if (sbp2_reconnect_device(scsi_id)) { - - /* - * Ok, reconnect has failed. Perhaps we didn't - * reconnect fast enough. Try doing a regular login, but - * first do a logout just in case of any weirdness. - */ + /* Reconnect has failed. Perhaps we didn't reconnect fast + * enough. Try a regular login, but first log out just in + * case of any weirdness. */ sbp2_logout_device(scsi_id); if (sbp2_login_device(scsi_id)) { @@ -743,18 +727,12 @@ static int sbp2_update(struct unit_directory *ud) } } - /* Set max retries to something large on the device. */ sbp2_set_busy_timeout(scsi_id); - - /* Do a SBP-2 fetch agent reset. */ sbp2_agent_reset(scsi_id, 1); - - /* Get the max speed and packet size that we can use. */ sbp2_max_speed_and_size(scsi_id); - /* Complete any pending commands with busy (so they get - * retried) and remove them from our queue - */ + /* Complete any pending commands with busy (so they get retried) + * and remove them from our queue. */ sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); /* Accept new commands unless there was another bus reset in the @@ -766,8 +744,6 @@ static int sbp2_update(struct unit_directory *ud) return 0; } -/* This functions is called by the sbp2_probe, for each new device. We now - * allocate one scsi host for each scsi_id (unit directory). */ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud) { struct sbp2scsi_host_info *hi; @@ -843,7 +819,6 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud goto failed_alloc; } - /* Register our host with the SCSI stack. */ scsi_host = scsi_host_alloc(&scsi_driver_template, sizeof(unsigned long)); if (!scsi_host) { @@ -882,16 +857,11 @@ static void sbp2_host_reset(struct hpsb_host *host) } } -/* - * This function is where we first pull the node unique ids, and then - * allocate memory and register a SBP-2 device. - */ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; int error; - /* Login FIFO DMA */ scsi_id->login_response = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_login_response), @@ -899,7 +869,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->login_response) goto alloc_fail; - /* Query logins ORB DMA */ scsi_id->query_logins_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_orb), @@ -907,7 +876,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->query_logins_orb) goto alloc_fail; - /* Query logins response DMA */ scsi_id->query_logins_response = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_response), @@ -915,7 +883,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->query_logins_response) goto alloc_fail; - /* Reconnect ORB DMA */ scsi_id->reconnect_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_reconnect_orb), @@ -923,7 +890,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->reconnect_orb) goto alloc_fail; - /* Logout ORB DMA */ scsi_id->logout_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_logout_orb), @@ -931,7 +897,6 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->logout_orb) goto alloc_fail; - /* Login ORB DMA */ scsi_id->login_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_login_orb), @@ -939,51 +904,28 @@ static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) if (!scsi_id->login_orb) goto alloc_fail; - /* - * Create our command orb pool - */ if (sbp2util_create_command_orb_pool(scsi_id)) { SBP2_ERR("sbp2util_create_command_orb_pool failed!"); sbp2_remove_device(scsi_id); return -ENOMEM; } - /* Schedule a timeout here. The reason is that we may be so close - * to a bus reset, that the device is not available for logins. - * This can happen when the bus reset is caused by the host - * connected to the sbp2 device being removed. That host would - * have a certain amount of time to relogin before the sbp2 device - * allows someone else to login instead. One second makes sense. */ + /* Wait a second before trying to log in. Previously logged in + * initiators need a chance to reconnect. */ if (msleep_interruptible(1000)) { sbp2_remove_device(scsi_id); return -EINTR; } - /* - * Login to the sbp-2 device - */ if (sbp2_login_device(scsi_id)) { - /* Login failed, just remove the device. */ sbp2_remove_device(scsi_id); return -EBUSY; } - /* - * Set max retries to something large on the device - */ sbp2_set_busy_timeout(scsi_id); - - /* - * Do a SBP-2 fetch agent reset - */ sbp2_agent_reset(scsi_id, 1); - - /* - * Get the max speed and packet size that we can use - */ sbp2_max_speed_and_size(scsi_id); - /* Add this device to the scsi layer now */ error = scsi_add_device(scsi_id->scsi_host, 0, scsi_id->ud->id, 0); if (error) { SBP2_ERR("scsi_add_device failed"); @@ -1000,9 +942,6 @@ alloc_fail: return -ENOMEM; } -/* - * This function removes an sbp2 device from the sbp2scsi_host_info struct. - */ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi; @@ -1012,7 +951,6 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) hi = scsi_id->hi; - /* This will remove our scsi device aswell */ if (scsi_id->scsi_host) { scsi_remove_host(scsi_id->scsi_host); scsi_host_put(scsi_id->scsi_host); @@ -1067,33 +1005,25 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA /* - * This function deals with physical dma write requests (for adapters that do not support - * physical dma in hardware). Mostly just here for debugging... + * Deal with write requests on adapters which do not support physical DMA or + * have it switched off. */ static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, u64 addr, size_t length, u16 flags) { - - /* - * Manually put the data in the right place. - */ memcpy(bus_to_virt((u32) addr), data, length); return RCODE_COMPLETE; } /* - * This function deals with physical dma read requests (for adapters that do not support - * physical dma in hardware). Mostly just here for debugging... + * Deal with read requests on adapters which do not support physical DMA or + * have it switched off. */ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, u64 addr, size_t length, u16 flags) { - - /* - * Grab data from memory and send a read response. - */ memcpy(data, bus_to_virt((u32) addr), length); return RCODE_COMPLETE; } @@ -1103,10 +1033,6 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, * SBP-2 protocol related section **************************************/ -/* - * This function queries the device for the maximum concurrent logins it - * supports. - */ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; @@ -1172,10 +1098,6 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) return 0; } -/* - * This function is called in order to login to a particular SBP-2 device, - * after a bus reset. - */ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; @@ -1191,17 +1113,18 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) } } - /* Set-up login ORB, assume no password */ + /* assume no password */ scsi_id->login_orb->password_hi = 0; scsi_id->login_orb->password_lo = 0; scsi_id->login_orb->login_response_lo = scsi_id->login_response_dma; scsi_id->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); - scsi_id->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); - scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); /* One second reconnect time */ - scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); /* Exclusive access to device */ - scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); /* Notify us of login complete */ + + /* one second reconnect time */ + scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); + scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); + scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); scsi_id->login_orb->passwd_resp_lengths = @@ -1222,17 +1145,13 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); - /* - * Wait for login status (up to 20 seconds)... - */ + /* wait up to 20 seconds for login status */ if (sbp2util_access_timeout(scsi_id, 20*HZ)) { SBP2_ERR("Error logging into SBP-2 device - timed out"); return -EIO; } - /* - * Sanity. Make sure status returned matches login orb. - */ + /* make sure that the returned status matches the login ORB */ if (scsi_id->status_block.ORB_offset_lo != scsi_id->login_orb_dma) { SBP2_ERR("Error logging into SBP-2 device - timed out"); return -EIO; @@ -1243,15 +1162,7 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) return -EIO; } - /* - * Byte swap the login response, for use when reconnecting or - * logging out. - */ sbp2util_cpu_to_be32_buffer(scsi_id->login_response, sizeof(struct sbp2_login_response)); - - /* - * Grab our command block agent address from the login response. - */ scsi_id->sbp2_command_block_agent_addr = ((u64)scsi_id->login_response->command_block_agent_hi) << 32; scsi_id->sbp2_command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); @@ -1261,19 +1172,12 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) return 0; } -/* - * This function is called in order to logout from a particular SBP-2 - * device, usually called during driver unload. - */ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; quadlet_t data[2]; int error; - /* - * Set-up logout ORB - */ scsi_id->logout_orb->reserved1 = 0x0; scsi_id->logout_orb->reserved2 = 0x0; scsi_id->logout_orb->reserved3 = 0x0; @@ -1281,8 +1185,6 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) scsi_id->logout_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_LOGOUT_REQUEST); scsi_id->logout_orb->login_ID_misc |= ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); - - /* Notify us when complete */ scsi_id->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); scsi_id->logout_orb->reserved5 = 0x0; @@ -1291,14 +1193,8 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) scsi_id->logout_orb->status_fifo_lo = ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); - /* - * Byte swap ORB if necessary - */ sbp2util_cpu_to_be32_buffer(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb)); - /* - * Ok, let's write to the target's management agent register - */ data[0] = ORB_SET_NODE_ID(hi->host->node_id); data[1] = scsi_id->logout_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); @@ -1308,7 +1204,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) if (error) return error; - /* Wait for device to logout...1 second. */ + /* wait up to 1 second for the device to complete logout */ if (sbp2util_access_timeout(scsi_id, HZ)) return -EIO; @@ -1316,19 +1212,12 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) return 0; } -/* - * This function is called in order to reconnect to a particular SBP-2 - * device, after a bus reset. - */ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) { struct sbp2scsi_host_info *hi = scsi_id->hi; quadlet_t data[2]; int error; - /* - * Set-up reconnect ORB - */ scsi_id->reconnect_orb->reserved1 = 0x0; scsi_id->reconnect_orb->reserved2 = 0x0; scsi_id->reconnect_orb->reserved3 = 0x0; @@ -1337,8 +1226,6 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) scsi_id->reconnect_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_RECONNECT_REQUEST); scsi_id->reconnect_orb->login_ID_misc |= ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); - - /* Notify us when complete */ scsi_id->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); scsi_id->reconnect_orb->reserved5 = 0x0; @@ -1347,9 +1234,6 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) scsi_id->reconnect_orb->status_fifo_lo = ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); - /* - * Byte swap ORB if necessary - */ sbp2util_cpu_to_be32_buffer(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); @@ -1361,17 +1245,13 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) if (error) return error; - /* - * Wait for reconnect status (up to 1 second)... - */ + /* wait up to 1 second for reconnect status */ if (sbp2util_access_timeout(scsi_id, HZ)) { SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); return -EIO; } - /* - * Sanity. Make sure status returned matches reconnect orb. - */ + /* make sure that the returned status matches the reconnect ORB */ if (scsi_id->status_block.ORB_offset_lo != scsi_id->reconnect_orb_dma) { SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); return -EIO; @@ -1387,8 +1267,8 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) } /* - * This function is called in order to set the busy timeout (number of - * retries to attempt) on the sbp2 device. + * Set the target node's Single Phase Retry limit. Affects the target's retry + * behaviour if our node is too busy to accept requests. */ static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) { @@ -1400,11 +1280,6 @@ static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) return 0; } -/* - * This function is called to parse sbp2 device's config rom unit - * directory. Used to determine things like sbp2 management agent offset, - * and command set used (SCSI or RBC). - */ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, struct unit_directory *ud) { @@ -1422,12 +1297,10 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, unit_characteristics = 0x0; firmware_revision = 0x0; - /* Handle different fields in the unit directory, based on keys */ csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { switch (kv->key.id) { case CSR1212_KV_ID_DEPENDENT_INFO: if (kv->key.type == CSR1212_KV_TYPE_CSR_OFFSET) - /* Save off the management agent address */ management_agent_addr = CSR1212_REGISTER_SPACE_BASE + (kv->value.csr_offset << 2); @@ -1438,29 +1311,27 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, break; case SBP2_COMMAND_SET_SPEC_ID_KEY: - /* Command spec organization */ command_set_spec_id = kv->value.immediate; break; case SBP2_COMMAND_SET_KEY: - /* Command set used by sbp2 device */ command_set = kv->value.immediate; break; case SBP2_UNIT_CHARACTERISTICS_KEY: - /* - * Unit characterisitcs (orb related stuff - * that I'm not yet paying attention to) - */ + /* FIXME: This is ignored so far. + * See SBP-2 clause 7.4.8. */ unit_characteristics = kv->value.immediate; break; case SBP2_FIRMWARE_REVISION_KEY: - /* Firmware revision */ firmware_revision = kv->value.immediate; break; default: + /* FIXME: Check for SBP2_DEVICE_TYPE_AND_LUN_KEY. + * Its "ordered" bit has consequences for command ORB + * list handling. See SBP-2 clauses 4.6, 7.4.11, 10.2 */ break; } } @@ -1536,7 +1407,6 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) scsi_id->speed_code = hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; - /* Bump down our speed if the user requested it */ if (scsi_id->speed_code > max_speed) { scsi_id->speed_code = max_speed; SBP2_INFO("Reducing speed to %s", hpsb_speedto_str[max_speed]); @@ -1563,9 +1433,6 @@ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) return 0; } -/* - * This function is called in order to perform a SBP-2 agent reset. - */ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) { quadlet_t data; @@ -1590,9 +1457,7 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) return -EIO; } - /* - * Need to make sure orb pointer is written on next command - */ + /* make sure that the ORB_POINTER is written on next command */ spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); scsi_id->last_orb = NULL; spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); @@ -1612,7 +1477,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); - /* Special case if only one element (and less than 64KB in size) */ + /* special case if only one element (and less than 64KB in size) */ if ((scsi_use_sg == 1) && (sgpnt[0].length <= SBP2_MAX_SG_ELEMENT_LENGTH)) { @@ -1642,10 +1507,8 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); orb->data_descriptor_lo = command->sge_dma; - /* - * Loop through and fill out our sbp-2 page tables - * (and split up anything too large) - */ + /* loop through and fill out our SBP-2 page tables + * (and split up anything too large) */ for (i = 0, sg_count = 0 ; i < count; i++, sgpnt++) { sg_len = sg_dma_len(sgpnt); sg_addr = sg_dma_address(sgpnt); @@ -1665,10 +1528,8 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, } } - /* Number of page table (s/g) elements */ orb->misc |= ORB_SET_DATA_SIZE(sg_count); - /* Byte swap page tables if necessary */ sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * sg_count); @@ -1692,34 +1553,25 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); - /* - * Handle case where we get a command w/o s/g enabled (but - * check for transfers larger than 64K) - */ + /* handle case where we get a command w/o s/g enabled + * (but check for transfers larger than 64K) */ if (scsi_request_bufflen <= SBP2_MAX_SG_ELEMENT_LENGTH) { orb->data_descriptor_lo = command->cmd_dma; orb->misc |= ORB_SET_DATA_SIZE(scsi_request_bufflen); } else { + /* The buffer is too large. Turn this into page tables. */ + struct sbp2_unrestricted_page_table *sg_element = &command->scatter_gather_element[0]; u32 sg_count, sg_len; dma_addr_t sg_addr; - /* - * Need to turn this into page tables, since the - * buffer is too large. - */ orb->data_descriptor_lo = command->sge_dma; - - /* Use page tables (s/g) */ orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); - /* - * fill out our sbp-2 page tables (and split up - * the large buffer) - */ + /* fill out our SBP-2 page tables; split up the large buffer */ sg_count = 0; sg_len = scsi_request_bufflen; sg_addr = command->cmd_dma; @@ -1738,20 +1590,14 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, sg_count++; } - /* Number of page table (s/g) elements */ orb->misc |= ORB_SET_DATA_SIZE(sg_count); - /* Byte swap page tables if necessary */ sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * sg_count); } } -/* - * This function is called to create the actual command orb and s/g list - * out of the scsi command itself. - */ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, struct sbp2_command_info *command, unchar *scsi_cmd, @@ -1766,7 +1612,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, u32 orb_direction; /* - * Set-up our command ORB.. + * Set-up our command ORB. * * NOTE: We're doing unrestricted page tables (s/g), as this is * best performance (at least with the devices I have). This means @@ -1777,7 +1623,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, command_orb->next_ORB_lo = 0x0; command_orb->misc = ORB_SET_MAX_PAYLOAD(scsi_id->max_payload_size); command_orb->misc |= ORB_SET_SPEED(scsi_id->speed_code); - command_orb->misc |= ORB_SET_NOTIFY(1); /* Notify us when complete */ + command_orb->misc |= ORB_SET_NOTIFY(1); if (dma_dir == DMA_NONE) orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; @@ -1790,7 +1636,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; } - /* Set-up our pagetable stuff */ + /* set up our page table stuff */ if (orb_direction == ORB_DIRECTION_NO_DATA_TRANSFER) { command_orb->data_descriptor_hi = 0x0; command_orb->data_descriptor_lo = 0x0; @@ -1803,17 +1649,12 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, orb_direction, scsi_request_bufflen, scsi_request_buffer, dma_dir); - /* Byte swap command ORB if necessary */ sbp2util_cpu_to_be32_buffer(command_orb, sizeof(struct sbp2_command_orb)); - /* Put our scsi command in the command ORB */ memset(command_orb->cdb, 0, 12); memcpy(command_orb->cdb, scsi_cmd, COMMAND_SIZE(*scsi_cmd)); } -/* - * This function is called in order to begin a regular SBP-2 command. - */ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, struct sbp2_command_info *command) { @@ -1832,9 +1673,8 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, pci_dma_sync_single_for_device(hi->host->pdev, command->sge_dma, sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - /* - * Check to see if there are any previous orbs to use - */ + + /* check to see if there are any previous orbs to use */ spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); last_orb = scsi_id->last_orb; last_orb_dma = scsi_id->last_orb_dma; @@ -1892,9 +1732,6 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, } } -/* - * This function is called in order to begin a regular SBP-2 command. - */ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) @@ -1903,23 +1740,13 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, unsigned int request_bufflen = SCpnt->request_bufflen; struct sbp2_command_info *command; - /* - * Allocate a command orb and s/g structure - */ command = sbp2util_allocate_command_orb(scsi_id, SCpnt, done); if (!command) return -EIO; - /* - * Now actually fill in the comamnd orb and sbp2 s/g list - */ sbp2_create_command_orb(scsi_id, command, cmd, SCpnt->use_sg, request_bufflen, SCpnt->request_buffer, SCpnt->sc_data_direction); - - /* - * Link up the orb, and ring the doorbell if needed - */ sbp2_link_orb_command(scsi_id, command); return 0; @@ -1930,9 +1757,7 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, */ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data) { - /* - * Ok, it's pretty ugly... ;-) - */ + /* OK, it's pretty ugly... ;-) */ sense_data[0] = 0x70; sense_data[1] = 0x0; sense_data[2] = sbp2_status[9]; @@ -1950,12 +1775,9 @@ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense sense_data[14] = sbp2_status[20]; sense_data[15] = sbp2_status[21]; - return sbp2_status[8] & 0x3f; /* return scsi status */ + return sbp2_status[8] & 0x3f; } -/* - * This function deals with status writes from the SBP-2 device - */ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, u64 addr, size_t length, u16 fl) @@ -1981,10 +1803,8 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, SBP2_ERR("host info is NULL - this is bad!"); return RCODE_ADDRESS_ERROR; } - /* - * Find our scsi_id structure by looking at the status fifo address - * written to by the sbp2 device. - */ + + /* Find the unit which wrote the status. */ list_for_each_entry(scsi_id_tmp, &hi->scsi_ids, scsi_list) { if (scsi_id_tmp->ne->nodeid == nodeid && scsi_id_tmp->status_fifo_addr == addr) { @@ -1997,20 +1817,16 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, return RCODE_ADDRESS_ERROR; } - /* - * Put response into scsi_id status fifo buffer. The first two bytes + /* Put response into scsi_id status fifo buffer. The first two bytes * come in big endian bit order. Often the target writes only a * truncated status block, minimally the first two quadlets. The rest - * is implied to be zeros. - */ + * is implied to be zeros. */ sb = &scsi_id->status_block; memset(sb->command_set_dependent, 0, sizeof(sb->command_set_dependent)); memcpy(sb, data, length); sbp2util_be32_to_cpu_buffer(sb, 8); - /* - * Ignore unsolicited status. Handle command ORB status. - */ + /* Ignore unsolicited status. Handle command ORB status. */ if (unlikely(STATUS_GET_SRC(sb->ORB_offset_hi_misc) == 2)) command = NULL; else @@ -2023,10 +1839,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - /* - * Matched status with command, now grab scsi command pointers - * and check status. - */ + /* Grab SCSI command pointers and check status. */ /* * FIXME: If the src field in the status is 1, the ORB DMA must * not be reused until status for a subsequent ORB is received. @@ -2048,37 +1861,28 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, SBP2_SCSI_STATUS_BUSY : SBP2_SCSI_STATUS_COMMAND_TERMINATED; } - /* - * See if the target stored any scsi status information. - */ + if (STATUS_GET_LEN(h) > 1) scsi_status = sbp2_status_to_sense_data( (unchar *)sb, SCpnt->sense_buffer); - /* - * Check to see if the dead bit is set. If so, we'll - * have to initiate a fetch agent reset. - */ + if (STATUS_TEST_DEAD(h)) sbp2_agent_reset(scsi_id, 0); } - /* - * Check here to see if there are no commands in-use. If there + /* Check here to see if there are no commands in-use. If there * are none, we know that the fetch agent left the active state * _and_ that we did not reactivate it yet. Therefore clear * last_orb so that next time we write directly to the * ORB_POINTER register. That way the fetch agent does not need - * to refetch the next_ORB. - */ + * to refetch the next_ORB. */ spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); if (list_empty(&scsi_id->sbp2_command_orb_inuse)) scsi_id->last_orb = NULL; spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); } else { - /* - * It's probably a login/logout/reconnect status. - */ + /* It's probably status after a management request. */ if ((sb->ORB_offset_lo == scsi_id->reconnect_orb_dma) || (sb->ORB_offset_lo == scsi_id->login_orb_dma) || (sb->ORB_offset_lo == scsi_id->query_logins_orb_dma) || @@ -2098,10 +1902,6 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, * SCSI interface related section **************************************/ -/* - * This routine is the main request entry routine for doing I/O. It is - * called from the scsi stack directly. - */ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { @@ -2120,17 +1920,13 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, goto done; } - /* - * Until we handle multiple luns, just return selection time-out - * to any IO directed at non-zero LUNs - */ + /* Multiple units are currently represented to the SCSI core as separate + * targets, not as one target with multiple LUs. Therefore return + * selection time-out to any IO directed at non-zero LUNs. */ if (SCpnt->device->lun) goto done; - /* - * Check for request sense command, and handle it here - * (autorequest sense) - */ + /* handle the request sense command here (auto-request sense) */ if (SCpnt->cmnd[0] == REQUEST_SENSE) { memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen); memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); @@ -2138,28 +1934,20 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, return 0; } - /* - * Check to see if we are in the middle of a bus reset. - */ if (!hpsb_node_entry_valid(scsi_id->ne)) { SBP2_ERR("Bus reset in progress - rejecting command"); result = DID_BUS_BUSY << 16; goto done; } - /* - * Bidirectional commands are not yet implemented, - * and unknown transfer direction not handled. - */ + /* Bidirectional commands are not yet implemented, + * and unknown transfer direction not handled. */ if (SCpnt->sc_data_direction == DMA_BIDIRECTIONAL) { SBP2_ERR("Cannot handle DMA_BIDIRECTIONAL - rejecting command"); result = DID_ERROR << 16; goto done; } - /* - * Try and send our SCSI command - */ if (sbp2_send_command(scsi_id, SCpnt, done)) { SBP2_ERR("Error sending SCSI command"); sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_SELECTION_TIMEOUT, @@ -2173,10 +1961,6 @@ done: return 0; } -/* - * This function is called in order to complete all outstanding SBP-2 - * commands (in case of resets, etc.). - */ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, u32 status) { @@ -2207,25 +1991,17 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id } /* - * This function is called in order to complete a regular SBP-2 command. - * - * This can be called in interrupt context. + * Complete a regular SCSI command. Can be called in atomic context. */ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, u32 scsi_status, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { - /* - * Sanity - */ if (!SCpnt) { SBP2_ERR("SCpnt is NULL"); return; } - /* - * Switch on scsi status - */ switch (scsi_status) { case SBP2_SCSI_STATUS_GOOD: SCpnt->result = DID_OK << 16; @@ -2259,19 +2035,15 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, SCpnt->result = DID_ERROR << 16; } - /* - * If a bus reset is in progress and there was an error, complete - * the command as busy so that it will get retried. - */ + /* If a bus reset is in progress and there was an error, complete + * the command as busy so that it will get retried. */ if (!hpsb_node_entry_valid(scsi_id->ne) && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { SBP2_ERR("Completing command with busy (bus reset)"); SCpnt->result = DID_BUS_BUSY << 16; } - /* - * Tell scsi stack that we're done with this command - */ + /* Tell the SCSI stack that we're done with this command. */ done(SCpnt); } @@ -2311,8 +2083,8 @@ static void sbp2scsi_slave_destroy(struct scsi_device *sdev) } /* - * Called by scsi stack when something has really gone wrong. Usually - * called when a command has timed-out for some reason. + * Called by scsi stack when something has really gone wrong. + * Usually called when a command has timed-out for some reason. */ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) { @@ -2401,7 +2173,6 @@ static int sbp2_module_init(void) { int ret; - /* Module load debug option to force one command at a time (serializing I/O) */ if (serialize_io) { scsi_driver_template.can_queue = 1; scsi_driver_template.cmd_per_lun = 1; @@ -2412,16 +2183,13 @@ static int sbp2_module_init(void) max_sectors = 128 * 1024 / 512; scsi_driver_template.max_sectors = max_sectors; - /* Register our high level driver with 1394 stack */ hpsb_register_highlevel(&sbp2_highlevel); - ret = hpsb_register_protocol(&sbp2_driver); if (ret) { SBP2_ERR("Failed to register protocol"); hpsb_unregister_highlevel(&sbp2_highlevel); return ret; } - return 0; } diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 5483b458bd7..d1dbc0d6317 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -25,7 +25,7 @@ #define SBP2_DEVICE_NAME "sbp2" /* - * SBP2 specific structures and defines + * SBP-2 specific definitions */ #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 @@ -185,8 +185,9 @@ struct sbp2_status_block { u8 command_set_dependent[24]; } __attribute__((packed)); + /* - * Miscellaneous SBP2 related config rom defines + * SBP2 related configuration ROM definitions */ #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 @@ -207,19 +208,17 @@ struct sbp2_status_block { #define SBP2_UNSOLICITED_STATUS_VALUE 0xf #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL +/* biggest possible value for Single Phase Retry count is 0xf */ #define SBP2_BUSY_TIMEOUT_VALUE 0xf #define SBP2_AGENT_RESET_DATA 0xf -/* - * Unit spec id and sw version entry for SBP-2 devices - */ - #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e #define SBP2_SW_VERSION_ENTRY 0x00010483 + /* - * SCSI specific stuff + * SCSI specific definitions */ #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 @@ -237,18 +236,19 @@ struct sbp2_status_block { #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff -/* This is the two dma types we use for cmd_dma below */ + +/* + * Representations of commands and devices + */ + enum cmd_dma_types { CMD_DMA_NONE, CMD_DMA_PAGE, CMD_DMA_SINGLE }; -/* - * Encapsulates all the info necessary for an outstanding command. - */ +/* Per SCSI command */ struct sbp2_command_info { - struct list_head list; struct sbp2_command_orb command_orb ____cacheline_aligned; dma_addr_t command_orb_dma ____cacheline_aligned; @@ -263,18 +263,17 @@ struct sbp2_command_info { enum cmd_dma_types dma_type; unsigned long dma_size; int dma_dir; - }; -struct sbp2scsi_host_info; +/* Per FireWire host */ +struct sbp2scsi_host_info { + struct hpsb_host *host; + struct list_head scsi_ids; +}; -/* - * Information needed on a per scsi id basis (one for each sbp2 device) - */ +/* Per logical unit */ struct scsi_id_instance_data { - /* - * Various sbp2 specific structures - */ + /* Operation request blocks */ struct sbp2_command_orb *last_orb; dma_addr_t last_orb_dma; struct sbp2_login_orb *login_orb; @@ -291,57 +290,49 @@ struct scsi_id_instance_data { dma_addr_t logout_orb_dma; struct sbp2_status_block status_block; - /* - * Stuff we need to know about the sbp2 device itself - */ + /* How to talk to the unit */ u64 sbp2_management_agent_addr; u64 sbp2_command_block_agent_addr; u32 speed_code; u32 max_payload_size; - /* - * Values pulled from the device's unit directory - */ + /* Pulled from the device's unit directory */ u32 sbp2_command_set_spec_id; u32 sbp2_command_set; u32 sbp2_unit_characteristics; u32 sbp2_lun; u32 sbp2_firmware_revision; - /* - * Address for the device to write status blocks to - */ + /* Address for the unit to write status blocks to */ u64 status_fifo_addr; - /* - * Waitqueue flag for logins, reconnects, logouts, query logins - */ + /* Waitqueue flag for logins, reconnects, logouts, query logins */ int access_complete:1; - /* - * Pool of command orbs, so we can have more than overlapped command per id - */ + /* Pool of command ORBs for this logical unit */ spinlock_t sbp2_command_orb_lock; struct list_head sbp2_command_orb_inuse; struct list_head sbp2_command_orb_completed; + /* Backlink to FireWire host; list of units attached to the host */ + struct sbp2scsi_host_info *hi; struct list_head scsi_list; - /* Node entry, as retrieved from NodeMgr entries */ + /* IEEE 1394 core's device representations */ struct node_entry *ne; struct unit_directory *ud; - /* A backlink to our host_info */ - struct sbp2scsi_host_info *hi; - - /* SCSI related pointers */ + /* SCSI core's device representations */ struct scsi_device *sdev; struct Scsi_Host *scsi_host; /* Device specific workarounds/brokeness */ unsigned workarounds; + /* Connection state */ atomic_t state; + + /* For deferred requests to the fetch agent */ struct work_struct protocol_work; }; @@ -352,13 +343,8 @@ enum sbp2lu_state_types { SBP2LU_STATE_IN_SHUTDOWN /* when sbp2_remove was called */ }; -/* Sbp2 host data structure (one per IEEE1394 host) */ -struct sbp2scsi_host_info { - struct hpsb_host *host; /* IEEE1394 host */ - struct list_head scsi_ids; /* List of scsi ids on this host */ -}; - -/* Flags for detected oddities and brokeness */ +/* For use in scsi_id_instance_data.workarounds and in the corresponding + * module load parameter */ #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 #define SBP2_WORKAROUND_INQUIRY_36 0x2 #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 -- cgit v1.2.3 From e0b79e0bc261ad320f6c218ac6823f7ca859171f Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Mon, 4 Dec 2006 15:56:18 +0200 Subject: [WATCHDOG] watchdog miscdevice patch It looks like the recent changes to 'struct miscdevice' have impacted some of the Watchdog drivers. at91rm9200_wdt.c:205: error: 'struct miscdevice' has no member named 'dev' For the AT91RM9200 driver I just replaced "miscdevice.dev" with "miscdevice.parent". The mpcore_wdt.c and omap_wdt.c seem similarly affected. Signed-off-by: Andrew Victor Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/at91rm9200_wdt.c | 6 +++--- drivers/char/watchdog/mpcore_wdt.c | 2 +- drivers/char/watchdog/omap_wdt.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91rm9200_wdt.c index 4e7a1145e78..c8da2b0a1cd 100644 --- a/drivers/char/watchdog/at91rm9200_wdt.c +++ b/drivers/char/watchdog/at91rm9200_wdt.c @@ -202,9 +202,9 @@ static int __init at91wdt_probe(struct platform_device *pdev) { int res; - if (at91wdt_miscdev.dev) + if (at91wdt_miscdev.parent) return -EBUSY; - at91wdt_miscdev.dev = &pdev->dev; + at91wdt_miscdev.parent = &pdev->dev; res = misc_register(&at91wdt_miscdev); if (res) @@ -220,7 +220,7 @@ static int __exit at91wdt_remove(struct platform_device *pdev) res = misc_deregister(&at91wdt_miscdev); if (!res) - at91wdt_miscdev.dev = NULL; + at91wdt_miscdev.parent = NULL; return res; } diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c index 3404a9c67f0..e88947f8fe5 100644 --- a/drivers/char/watchdog/mpcore_wdt.c +++ b/drivers/char/watchdog/mpcore_wdt.c @@ -347,7 +347,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev) goto err_free; } - mpcore_wdt_miscdev.dev = &dev->dev; + mpcore_wdt_miscdev.parent = &dev->dev; ret = misc_register(&mpcore_wdt_miscdev); if (ret) { dev_printk(KERN_ERR, _dev, "cannot register miscdev on minor=%d (err=%d)\n", diff --git a/drivers/char/watchdog/omap_wdt.c b/drivers/char/watchdog/omap_wdt.c index 5dbd7dc2936..6c6f97332db 100644 --- a/drivers/char/watchdog/omap_wdt.c +++ b/drivers/char/watchdog/omap_wdt.c @@ -290,7 +290,7 @@ static int __init omap_wdt_probe(struct platform_device *pdev) omap_wdt_disable(); omap_wdt_adjust_timeout(timer_margin); - omap_wdt_miscdev.dev = &pdev->dev; + omap_wdt_miscdev.parent = &pdev->dev; ret = misc_register(&omap_wdt_miscdev); if (ret) goto fail; -- cgit v1.2.3 From 5796aa7b11a6ba9d28a523fc82dddbc96c1a175e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: some conditions in queue_command are unlikely Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 625f1eb8069..96a743d9b5d 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1910,12 +1910,12 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, struct sbp2scsi_host_info *hi; int result = DID_NO_CONNECT << 16; - if (!sbp2util_node_is_available(scsi_id)) + if (unlikely(!sbp2util_node_is_available(scsi_id))) goto done; hi = scsi_id->hi; - if (!hi) { + if (unlikely(!hi)) { SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!"); goto done; } @@ -1923,7 +1923,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, /* Multiple units are currently represented to the SCSI core as separate * targets, not as one target with multiple LUs. Therefore return * selection time-out to any IO directed at non-zero LUNs. */ - if (SCpnt->device->lun) + if (unlikely(SCpnt->device->lun)) goto done; /* handle the request sense command here (auto-request sense) */ @@ -1934,7 +1934,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, return 0; } - if (!hpsb_node_entry_valid(scsi_id->ne)) { + if (unlikely(!hpsb_node_entry_valid(scsi_id->ne))) { SBP2_ERR("Bus reset in progress - rejecting command"); result = DID_BUS_BUSY << 16; goto done; @@ -1942,7 +1942,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, /* Bidirectional commands are not yet implemented, * and unknown transfer direction not handled. */ - if (SCpnt->sc_data_direction == DMA_BIDIRECTIONAL) { + if (unlikely(SCpnt->sc_data_direction == DMA_BIDIRECTIONAL)) { SBP2_ERR("Cannot handle DMA_BIDIRECTIONAL - rejecting command"); result = DID_ERROR << 16; goto done; -- cgit v1.2.3 From ca0c7453995d3696034435820522e2a60bd59bfc Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: clean up sbp2_ namespace Prepend sbp2*_ to anything globally defined in sbp2.c except for some macros. Strip sbp2_ from names of struct members. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 237 ++++++++++++++++++++++++------------------------ drivers/ieee1394/sbp2.h | 28 +++--- 2 files changed, 132 insertions(+), 133 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 96a743d9b5d..6737af26c86 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -98,8 +98,8 @@ * (probably due to PCI latency/throughput issues with the part). You can * bump down the speed if you are running into problems. */ -static int max_speed = IEEE1394_SPEED_MAX; -module_param(max_speed, int, 0644); +static int sbp2_max_speed = IEEE1394_SPEED_MAX; +module_param_named(max_speed, sbp2_max_speed, int, 0644); MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)"); /* @@ -109,9 +109,10 @@ MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 * * TODO: Make this configurable per device. */ -static int serialize_io = 1; -module_param(serialize_io, int, 0444); -MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default = 1, faster = 0)"); +static int sbp2_serialize_io = 1; +module_param_named(serialize_io, sbp2_serialize_io, int, 0444); +MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers " + "(default = 1, faster = 0)"); /* * Bump up max_sectors if you'd like to support very large sized @@ -121,10 +122,10 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default * the Oxsemi sbp2 chipsets have no problems supporting very large * transfer sizes. */ -static int max_sectors = SBP2_MAX_SECTORS; -module_param(max_sectors, int, 0444); -MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " - __stringify(SBP2_MAX_SECTORS) ")"); +static int sbp2_max_sectors = SBP2_MAX_SECTORS; +module_param_named(max_sectors, sbp2_max_sectors, int, 0444); +MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported " + "(default = " __stringify(SBP2_MAX_SECTORS) ")"); /* * Exclusive login to sbp2 device? In most cases, the sbp2 driver should @@ -139,9 +140,10 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " * concurrent logins. Depending on firmware, four or two concurrent logins * are possible on OXFW911 and newer Oxsemi bridges. */ -static int exclusive_login = 1; -module_param(exclusive_login, int, 0644); -MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)"); +static int sbp2_exclusive_login = 1; +module_param_named(exclusive_login, sbp2_exclusive_login, int, 0644); +MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " + "(default = 1)"); /* * If any of the following workarounds is required for your device to work, @@ -279,7 +281,7 @@ static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { NULL }; -static struct scsi_host_template scsi_driver_template = { +static struct scsi_host_template sbp2_shost_template = { .module = THIS_MODULE, .name = "SBP-2 IEEE-1394", .proc_name = SBP2_DEVICE_NAME, @@ -388,7 +390,7 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length) #define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0) #endif -static DECLARE_WAIT_QUEUE_HEAD(access_wq); +static DECLARE_WAIT_QUEUE_HEAD(sbp2_access_wq); /* * Waits for completion of an SBP-2 access request. @@ -397,9 +399,10 @@ static DECLARE_WAIT_QUEUE_HEAD(access_wq); static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id, int timeout) { - long leftover = wait_event_interruptible_timeout( - access_wq, scsi_id->access_complete, timeout); + long leftover; + leftover = wait_event_interruptible_timeout( + sbp2_access_wq, scsi_id->access_complete, timeout); scsi_id->access_complete = 0; return leftover <= 0; } @@ -449,7 +452,7 @@ static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id, return; if (hpsb_node_write(scsi_id->ne, - scsi_id->sbp2_command_block_agent_addr + offset, + scsi_id->command_block_agent_addr + offset, data, len)) SBP2_ERR("sbp2util_notify_fetch_agent failed."); /* @@ -478,18 +481,18 @@ static void sbp2util_write_doorbell(struct work_struct *work) static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; int i; unsigned long flags, orbs; struct sbp2_command_info *command; - orbs = serialize_io ? 2 : SBP2_MAX_CMDS; + orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); for (i = 0; i < orbs; i++) { command = kzalloc(sizeof(*command), GFP_ATOMIC); if (!command) { - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return -ENOMEM; } @@ -503,9 +506,9 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i sizeof(command->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); INIT_LIST_HEAD(&command->list); - list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed); + list_add_tail(&command->list, &scsi_id->cmd_orb_completed); } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return 0; } @@ -516,9 +519,9 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ struct sbp2_command_info *command; unsigned long flags; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); - if (!list_empty(&scsi_id->sbp2_command_orb_completed)) { - list_for_each_safe(lh, next, &scsi_id->sbp2_command_orb_completed) { + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + if (!list_empty(&scsi_id->cmd_orb_completed)) { + list_for_each_safe(lh, next, &scsi_id->cmd_orb_completed) { command = list_entry(lh, struct sbp2_command_info, list); pci_unmap_single(host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), @@ -529,7 +532,7 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ kfree(command); } } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return; } @@ -543,31 +546,31 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb( struct sbp2_command_info *command; unsigned long flags; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); - if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { - list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) { + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + if (!list_empty(&scsi_id->cmd_orb_inuse)) { + list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) { if (command->command_orb_dma == orb) { - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return command; } } } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return NULL; } /* * Finds the sbp2_command for a given outstanding SCpnt. * Only looks at the in-use list. - * Must be called with scsi_id->sbp2_command_orb_lock held. + * Must be called with scsi_id->cmd_orb_lock held. */ static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( struct scsi_id_instance_data *scsi_id, void *SCpnt) { struct sbp2_command_info *command; - if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) - list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) + if (!list_empty(&scsi_id->cmd_orb_inuse)) + list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) if (command->Current_SCpnt == SCpnt) return command; return NULL; @@ -582,18 +585,18 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb( struct sbp2_command_info *command = NULL; unsigned long flags; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); - if (!list_empty(&scsi_id->sbp2_command_orb_completed)) { - lh = scsi_id->sbp2_command_orb_completed.next; + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + if (!list_empty(&scsi_id->cmd_orb_completed)) { + lh = scsi_id->cmd_orb_completed.next; list_del(lh); command = list_entry(lh, struct sbp2_command_info, list); command->Current_done = Current_done; command->Current_SCpnt = Current_SCpnt; - list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse); + list_add_tail(&command->list, &scsi_id->cmd_orb_inuse); } else { SBP2_ERR("%s: no orbs available", __FUNCTION__); } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return command; } @@ -631,7 +634,7 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command) /* * This function moves a command to the completed orb list. - * Must be called with scsi_id->sbp2_command_orb_lock held. + * Must be called with scsi_id->cmd_orb_lock held. */ static void sbp2util_mark_command_completed( struct scsi_id_instance_data *scsi_id, @@ -639,7 +642,7 @@ static void sbp2util_mark_command_completed( { list_del(&command->list); sbp2util_free_command_dma(command); - list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed); + list_add_tail(&command->list, &scsi_id->cmd_orb_completed); } /* @@ -746,7 +749,7 @@ static int sbp2_update(struct unit_directory *ud) static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud) { - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; struct Scsi_Host *scsi_host = NULL; struct scsi_id_instance_data *scsi_id = NULL; @@ -761,10 +764,10 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud scsi_id->speed_code = IEEE1394_SPEED_100; scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; - INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_inuse); - INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_completed); + INIT_LIST_HEAD(&scsi_id->cmd_orb_inuse); + INIT_LIST_HEAD(&scsi_id->cmd_orb_completed); INIT_LIST_HEAD(&scsi_id->scsi_list); - spin_lock_init(&scsi_id->sbp2_command_orb_lock); + spin_lock_init(&scsi_id->cmd_orb_lock); atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); INIT_WORK(&scsi_id->protocol_work, NULL); @@ -819,7 +822,7 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud goto failed_alloc; } - scsi_host = scsi_host_alloc(&scsi_driver_template, + scsi_host = scsi_host_alloc(&sbp2_shost_template, sizeof(unsigned long)); if (!scsi_host) { SBP2_ERR("failed to register scsi host"); @@ -843,7 +846,7 @@ failed_alloc: static void sbp2_host_reset(struct hpsb_host *host) { - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; struct scsi_id_instance_data *scsi_id; hi = hpsb_get_hostinfo(&sbp2_highlevel, host); @@ -859,7 +862,7 @@ static void sbp2_host_reset(struct hpsb_host *host) static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; int error; scsi_id->login_response = @@ -944,7 +947,7 @@ alloc_fail: static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; if (!scsi_id) return; @@ -1035,7 +1038,7 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; quadlet_t data[2]; int max_logins; int active_logins; @@ -1048,7 +1051,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); - scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); + scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun); scsi_id->query_logins_orb->reserved_resp_length = ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response)); @@ -1066,7 +1069,7 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) data[1] = scsi_id->query_logins_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); + hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8); if (sbp2util_access_timeout(scsi_id, 2*HZ)) { SBP2_INFO("Error querying logins to SBP-2 device - timed out"); @@ -1100,17 +1103,15 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; quadlet_t data[2]; if (!scsi_id->login_orb) return -EIO; - if (!exclusive_login) { - if (sbp2_query_logins(scsi_id)) { - SBP2_INFO("Device does not support any more concurrent logins"); - return -EIO; - } + if (!sbp2_exclusive_login && sbp2_query_logins(scsi_id)) { + SBP2_INFO("Device does not support any more concurrent logins"); + return -EIO; } /* assume no password */ @@ -1123,9 +1124,9 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) /* one second reconnect time */ scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); - scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); + scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login); scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); - scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); + scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun); scsi_id->login_orb->passwd_resp_lengths = ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); @@ -1143,7 +1144,7 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) data[1] = scsi_id->login_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); + hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8); /* wait up to 20 seconds for login status */ if (sbp2util_access_timeout(scsi_id, 20*HZ)) { @@ -1163,10 +1164,10 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) } sbp2util_cpu_to_be32_buffer(scsi_id->login_response, sizeof(struct sbp2_login_response)); - scsi_id->sbp2_command_block_agent_addr = + scsi_id->command_block_agent_addr = ((u64)scsi_id->login_response->command_block_agent_hi) << 32; - scsi_id->sbp2_command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); - scsi_id->sbp2_command_block_agent_addr &= 0x0000ffffffffffffULL; + scsi_id->command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); + scsi_id->command_block_agent_addr &= 0x0000ffffffffffffULL; SBP2_INFO("Logged into SBP-2 device"); return 0; @@ -1174,7 +1175,7 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; quadlet_t data[2]; int error; @@ -1200,7 +1201,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(data, 8); error = hpsb_node_write(scsi_id->ne, - scsi_id->sbp2_management_agent_addr, data, 8); + scsi_id->management_agent_addr, data, 8); if (error) return error; @@ -1214,7 +1215,7 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; quadlet_t data[2]; int error; @@ -1241,7 +1242,7 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) sbp2util_cpu_to_be32_buffer(data, 8); error = hpsb_node_write(scsi_id->ne, - scsi_id->sbp2_management_agent_addr, data, 8); + scsi_id->management_agent_addr, data, 8); if (error) return error; @@ -1306,7 +1307,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, (kv->value.csr_offset << 2); else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) - scsi_id->sbp2_lun = + scsi_id->lun = ORB_SET_LUN(kv->value.immediate); break; @@ -1363,12 +1364,12 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, /* We would need one SCSI host template for each target to adjust * max_sectors on the fly, therefore warn only. */ if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && - (max_sectors * 512) > (128 * 1024)) + (sbp2_max_sectors * 512) > (128 * 1024)) SBP2_INFO("Node " NODE_BUS_FMT ": Bridge only supports 128KB " "max transfer size. WARNING: Current max_sectors " "setting is larger than 128KB (%d sectors)", NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), - max_sectors); + sbp2_max_sectors); /* If this is a logical unit directory entry, process the parent * to get the values. */ @@ -1377,14 +1378,14 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, container_of(ud->device.parent, struct unit_directory, device); sbp2_parse_unit_directory(scsi_id, parent_ud); } else { - scsi_id->sbp2_management_agent_addr = management_agent_addr; - scsi_id->sbp2_command_set_spec_id = command_set_spec_id; - scsi_id->sbp2_command_set = command_set; - scsi_id->sbp2_unit_characteristics = unit_characteristics; - scsi_id->sbp2_firmware_revision = firmware_revision; + scsi_id->management_agent_addr = management_agent_addr; + scsi_id->command_set_spec_id = command_set_spec_id; + scsi_id->command_set = command_set; + scsi_id->unit_characteristics = unit_characteristics; + scsi_id->firmware_revision = firmware_revision; scsi_id->workarounds = workarounds; if (ud->flags & UNIT_DIRECTORY_HAS_LUN) - scsi_id->sbp2_lun = ORB_SET_LUN(ud->lun); + scsi_id->lun = ORB_SET_LUN(ud->lun); } } @@ -1401,15 +1402,16 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, */ static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; u8 payload; scsi_id->speed_code = hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; - if (scsi_id->speed_code > max_speed) { - scsi_id->speed_code = max_speed; - SBP2_INFO("Reducing speed to %s", hpsb_speedto_str[max_speed]); + if (scsi_id->speed_code > sbp2_max_speed) { + scsi_id->speed_code = sbp2_max_speed; + SBP2_INFO("Reducing speed to %s", + hpsb_speedto_str[sbp2_max_speed]); } /* Payload size is the lesser of what our speed supports and what @@ -1445,7 +1447,7 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) flush_scheduled_work(); data = ntohl(SBP2_AGENT_RESET_DATA); - addr = scsi_id->sbp2_command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; + addr = scsi_id->command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; if (wait) retval = hpsb_node_write(scsi_id->ne, addr, &data, 4); @@ -1458,15 +1460,15 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) } /* make sure that the ORB_POINTER is written on next command */ - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); scsi_id->last_orb = NULL; - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return 0; } static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, - struct sbp2scsi_host_info *hi, + struct sbp2_fwhost_info *hi, struct sbp2_command_info *command, unsigned int scsi_use_sg, struct scatterlist *sgpnt, @@ -1537,7 +1539,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, } static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, - struct sbp2scsi_host_info *hi, + struct sbp2_fwhost_info *hi, struct sbp2_command_info *command, struct scatterlist *sgpnt, u32 orb_direction, @@ -1606,7 +1608,7 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, void *scsi_request_buffer, enum dma_data_direction dma_dir) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; struct scatterlist *sgpnt = (struct scatterlist *)scsi_request_buffer; struct sbp2_command_orb *command_orb = &command->command_orb; u32 orb_direction; @@ -1658,11 +1660,11 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, struct sbp2_command_info *command) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; struct sbp2_command_orb *command_orb = &command->command_orb; struct sbp2_command_orb *last_orb; dma_addr_t last_orb_dma; - u64 addr = scsi_id->sbp2_command_block_agent_addr; + u64 addr = scsi_id->command_block_agent_addr; quadlet_t data[2]; size_t length; unsigned long flags; @@ -1675,7 +1677,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, PCI_DMA_BIDIRECTIONAL); /* check to see if there are any previous orbs to use */ - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); last_orb = scsi_id->last_orb; last_orb_dma = scsi_id->last_orb_dma; if (!last_orb) { @@ -1712,7 +1714,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, } scsi_id->last_orb = command_orb; scsi_id->last_orb_dma = command->command_orb_dma; - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); if (sbp2util_node_write_no_wait(scsi_id->ne, addr, data, length)) { /* @@ -1782,7 +1784,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, u64 addr, size_t length, u16 fl) { - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; struct scsi_id_instance_data *scsi_id = NULL, *scsi_id_tmp; struct scsi_cmnd *SCpnt = NULL; struct sbp2_status_block *sb; @@ -1845,9 +1847,9 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, * not be reused until status for a subsequent ORB is received. */ SCpnt = command->Current_SCpnt; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); sbp2util_mark_command_completed(scsi_id, command); - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); if (SCpnt) { u32 h = sb->ORB_offset_hi_misc; @@ -1876,10 +1878,10 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, * last_orb so that next time we write directly to the * ORB_POINTER register. That way the fetch agent does not need * to refetch the next_ORB. */ - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); - if (list_empty(&scsi_id->sbp2_command_orb_inuse)) + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + if (list_empty(&scsi_id->cmd_orb_inuse)) scsi_id->last_orb = NULL; - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); } else { /* It's probably status after a management request. */ @@ -1888,7 +1890,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, (sb->ORB_offset_lo == scsi_id->query_logins_orb_dma) || (sb->ORB_offset_lo == scsi_id->logout_orb_dma)) { scsi_id->access_complete = 1; - wake_up_interruptible(&access_wq); + wake_up_interruptible(&sbp2_access_wq); } } @@ -1907,7 +1909,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, { struct scsi_id_instance_data *scsi_id = (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; int result = DID_NO_CONNECT << 16; if (unlikely(!sbp2util_node_is_available(scsi_id))) @@ -1916,7 +1918,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, hi = scsi_id->hi; if (unlikely(!hi)) { - SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!"); + SBP2_ERR("sbp2_fwhost_info is NULL - this is bad!"); goto done; } @@ -1964,14 +1966,14 @@ done: static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, u32 status) { - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; struct list_head *lh; struct sbp2_command_info *command; unsigned long flags; - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); - while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { - lh = scsi_id->sbp2_command_orb_inuse.next; + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + while (!list_empty(&scsi_id->cmd_orb_inuse)) { + lh = scsi_id->cmd_orb_inuse.next; command = list_entry(lh, struct sbp2_command_info, list); pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, sizeof(struct sbp2_command_orb), @@ -1985,7 +1987,7 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id command->Current_done(command->Current_SCpnt); } } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); return; } @@ -2090,7 +2092,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) { struct scsi_id_instance_data *scsi_id = (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; - struct sbp2scsi_host_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = scsi_id->hi; struct sbp2_command_info *command; unsigned long flags; @@ -2101,7 +2103,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) sbp2_agent_reset(scsi_id, 1); /* Return a matching command structure to the free pool. */ - spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); + spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt); if (command) { pci_dma_sync_single_for_cpu(hi->host->pdev, @@ -2118,7 +2120,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) command->Current_done(command->Current_SCpnt); } } - spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); + spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); } @@ -2150,7 +2152,6 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, { struct scsi_device *sdev; struct scsi_id_instance_data *scsi_id; - int lun; if (!(sdev = to_scsi_device(dev))) return 0; @@ -2158,10 +2159,8 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, if (!(scsi_id = (struct scsi_id_instance_data *)sdev->host->hostdata[0])) return 0; - lun = ORB_SET_LUN(scsi_id->sbp2_lun); - return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid, - scsi_id->ud->id, lun); + scsi_id->ud->id, ORB_SET_LUN(scsi_id->lun)); } MODULE_AUTHOR("Ben Collins "); @@ -2173,15 +2172,15 @@ static int sbp2_module_init(void) { int ret; - if (serialize_io) { - scsi_driver_template.can_queue = 1; - scsi_driver_template.cmd_per_lun = 1; + if (sbp2_serialize_io) { + sbp2_shost_template.can_queue = 1; + sbp2_shost_template.cmd_per_lun = 1; } if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && - (max_sectors * 512) > (128 * 1024)) - max_sectors = 128 * 1024 / 512; - scsi_driver_template.max_sectors = max_sectors; + (sbp2_max_sectors * 512) > (128 * 1024)) + sbp2_max_sectors = 128 * 1024 / 512; + sbp2_shost_template.max_sectors = sbp2_max_sectors; hpsb_register_highlevel(&sbp2_highlevel); ret = hpsb_register_protocol(&sbp2_driver); diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index d1dbc0d6317..6c1f8ff1c59 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -241,7 +241,7 @@ struct sbp2_status_block { * Representations of commands and devices */ -enum cmd_dma_types { +enum sbp2_dma_types { CMD_DMA_NONE, CMD_DMA_PAGE, CMD_DMA_SINGLE @@ -260,13 +260,13 @@ struct sbp2_command_info { dma_addr_t sge_dma ____cacheline_aligned; void *sge_buffer; dma_addr_t cmd_dma; - enum cmd_dma_types dma_type; + enum sbp2_dma_types dma_type; unsigned long dma_size; int dma_dir; }; /* Per FireWire host */ -struct sbp2scsi_host_info { +struct sbp2_fwhost_info { struct hpsb_host *host; struct list_head scsi_ids; }; @@ -291,17 +291,17 @@ struct scsi_id_instance_data { struct sbp2_status_block status_block; /* How to talk to the unit */ - u64 sbp2_management_agent_addr; - u64 sbp2_command_block_agent_addr; + u64 management_agent_addr; + u64 command_block_agent_addr; u32 speed_code; u32 max_payload_size; /* Pulled from the device's unit directory */ - u32 sbp2_command_set_spec_id; - u32 sbp2_command_set; - u32 sbp2_unit_characteristics; - u32 sbp2_lun; - u32 sbp2_firmware_revision; + u32 command_set_spec_id; + u32 command_set; + u32 unit_characteristics; + u32 firmware_revision; + u16 lun; /* Address for the unit to write status blocks to */ u64 status_fifo_addr; @@ -310,12 +310,12 @@ struct scsi_id_instance_data { int access_complete:1; /* Pool of command ORBs for this logical unit */ - spinlock_t sbp2_command_orb_lock; - struct list_head sbp2_command_orb_inuse; - struct list_head sbp2_command_orb_completed; + spinlock_t cmd_orb_lock; + struct list_head cmd_orb_inuse; + struct list_head cmd_orb_completed; /* Backlink to FireWire host; list of units attached to the host */ - struct sbp2scsi_host_info *hi; + struct sbp2_fwhost_info *hi; struct list_head scsi_list; /* IEEE 1394 core's device representations */ -- cgit v1.2.3 From 28b066795f26196003353e1b4f7beaf63158ee74 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: proper unit in module parameter description It's 2^20 bit/s, not 0.001 bit. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 6737af26c86..c9263771d18 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -100,7 +100,8 @@ */ static int sbp2_max_speed = IEEE1394_SPEED_MAX; module_param_named(max_speed, sbp2_max_speed, int, 0644); -MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)"); +MODULE_PARM_DESC(max_speed, "Force max speed " + "(3 = 800Mb/s, 2 = 400Mb/s, 1 = 200Mb/s, 0 = 100Mb/s)"); /* * Set serialize_io to 1 if you'd like only one scsi command sent -- cgit v1.2.3 From 9117c6dc430578748ce732c6ff25eed8ed501a97 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: remove unused struct members Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 23 ++++------------------- drivers/ieee1394/sbp2.h | 6 ------ 2 files changed, 4 insertions(+), 25 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index c9263771d18..34280c7eb73 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1288,16 +1288,13 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, struct csr1212_keyval *kv; struct csr1212_dentry *dentry; u64 management_agent_addr; - u32 command_set_spec_id, command_set, unit_characteristics, - firmware_revision; + u32 unit_characteristics, firmware_revision; unsigned workarounds; int i; - management_agent_addr = 0x0; - command_set_spec_id = 0x0; - command_set = 0x0; - unit_characteristics = 0x0; - firmware_revision = 0x0; + management_agent_addr = 0; + unit_characteristics = 0; + firmware_revision = 0; csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { switch (kv->key.id) { @@ -1312,14 +1309,6 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, ORB_SET_LUN(kv->value.immediate); break; - case SBP2_COMMAND_SET_SPEC_ID_KEY: - command_set_spec_id = kv->value.immediate; - break; - - case SBP2_COMMAND_SET_KEY: - command_set = kv->value.immediate; - break; - case SBP2_UNIT_CHARACTERISTICS_KEY: /* FIXME: This is ignored so far. * See SBP-2 clause 7.4.8. */ @@ -1380,10 +1369,6 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, sbp2_parse_unit_directory(scsi_id, parent_ud); } else { scsi_id->management_agent_addr = management_agent_addr; - scsi_id->command_set_spec_id = command_set_spec_id; - scsi_id->command_set = command_set; - scsi_id->unit_characteristics = unit_characteristics; - scsi_id->firmware_revision = firmware_revision; scsi_id->workarounds = workarounds; if (ud->flags & UNIT_DIRECTORY_HAS_LUN) scsi_id->lun = ORB_SET_LUN(ud->lun); diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 6c1f8ff1c59..8902a467695 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -295,12 +295,6 @@ struct scsi_id_instance_data { u64 command_block_agent_addr; u32 speed_code; u32 max_payload_size; - - /* Pulled from the device's unit directory */ - u32 command_set_spec_id; - u32 command_set; - u32 unit_characteristics; - u32 firmware_revision; u16 lun; /* Address for the unit to write status blocks to */ -- cgit v1.2.3 From 138c8af8649ceea38aa52323b9326c10068bb597 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: more concise names for types and variables "struct scsi_id_instance_data" represents a logical unit. Rename it to "struct sbp2_lu", and "scsi_id" to "lu". Rename some other variables too. Wrap almost all lines after at most 80 columns. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 1158 +++++++++++++++++++++++------------------------ drivers/ieee1394/sbp2.h | 15 +- 2 files changed, 575 insertions(+), 598 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 34280c7eb73..a7fb588d3ca 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -189,24 +189,23 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" /* * Globals */ -static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *, u32); -static void sbp2scsi_complete_command(struct scsi_id_instance_data *, u32, - struct scsi_cmnd *, +static void sbp2scsi_complete_all_commands(struct sbp2_lu *, u32); +static void sbp2scsi_complete_command(struct sbp2_lu *, u32, struct scsi_cmnd *, void (*)(struct scsi_cmnd *)); -static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *); -static int sbp2_start_device(struct scsi_id_instance_data *); -static void sbp2_remove_device(struct scsi_id_instance_data *); -static int sbp2_login_device(struct scsi_id_instance_data *); -static int sbp2_reconnect_device(struct scsi_id_instance_data *); -static int sbp2_logout_device(struct scsi_id_instance_data *); +static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *); +static int sbp2_start_device(struct sbp2_lu *); +static void sbp2_remove_device(struct sbp2_lu *); +static int sbp2_login_device(struct sbp2_lu *); +static int sbp2_reconnect_device(struct sbp2_lu *); +static int sbp2_logout_device(struct sbp2_lu *); static void sbp2_host_reset(struct hpsb_host *); static int sbp2_handle_status_write(struct hpsb_host *, int, int, quadlet_t *, u64, size_t, u16); -static int sbp2_agent_reset(struct scsi_id_instance_data *, int); -static void sbp2_parse_unit_directory(struct scsi_id_instance_data *, +static int sbp2_agent_reset(struct sbp2_lu *, int); +static void sbp2_parse_unit_directory(struct sbp2_lu *, struct unit_directory *); -static int sbp2_set_busy_timeout(struct scsi_id_instance_data *); -static int sbp2_max_speed_and_size(struct scsi_id_instance_data *); +static int sbp2_set_busy_timeout(struct sbp2_lu *); +static int sbp2_max_speed_and_size(struct sbp2_lu *); static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; @@ -369,8 +368,6 @@ static inline void sbp2util_be32_to_cpu_buffer(void *buffer, int length) for (length = (length >> 2); length--; ) temp[length] = be32_to_cpu(temp[length]); - - return; } /* @@ -382,8 +379,6 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length) for (length = (length >> 2); length--; ) temp[length] = cpu_to_be32(temp[length]); - - return; } #else /* BIG_ENDIAN */ /* Why waste the cpu cycles? */ @@ -397,18 +392,17 @@ static DECLARE_WAIT_QUEUE_HEAD(sbp2_access_wq); * Waits for completion of an SBP-2 access request. * Returns nonzero if timed out or prematurely interrupted. */ -static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id, - int timeout) +static int sbp2util_access_timeout(struct sbp2_lu *lu, int timeout) { long leftover; leftover = wait_event_interruptible_timeout( - sbp2_access_wq, scsi_id->access_complete, timeout); - scsi_id->access_complete = 0; + sbp2_access_wq, lu->access_complete, timeout); + lu->access_complete = 0; return leftover <= 0; } -static void sbp2_free_packet(struct hpsb_packet *packet) +static void sbp2_free_packet(void *packet) { hpsb_free_tlabel(packet); hpsb_free_packet(packet); @@ -419,121 +413,107 @@ static void sbp2_free_packet(struct hpsb_packet *packet) * subaction and returns immediately. Can be used from atomic context. */ static int sbp2util_node_write_no_wait(struct node_entry *ne, u64 addr, - quadlet_t *buffer, size_t length) + quadlet_t *buf, size_t len) { struct hpsb_packet *packet; - packet = hpsb_make_writepacket(ne->host, ne->nodeid, - addr, buffer, length); + packet = hpsb_make_writepacket(ne->host, ne->nodeid, addr, buf, len); if (!packet) return -ENOMEM; - hpsb_set_packet_complete_task(packet, - (void (*)(void *))sbp2_free_packet, - packet); - + hpsb_set_packet_complete_task(packet, sbp2_free_packet, packet); hpsb_node_fill_packet(ne, packet); - if (hpsb_send_packet(packet) < 0) { sbp2_free_packet(packet); return -EIO; } - return 0; } -static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id, - u64 offset, quadlet_t *data, size_t len) +static void sbp2util_notify_fetch_agent(struct sbp2_lu *lu, u64 offset, + quadlet_t *data, size_t len) { - /* - * There is a small window after a bus reset within which the node - * entry's generation is current but the reconnect wasn't completed. - */ - if (unlikely(atomic_read(&scsi_id->state) == SBP2LU_STATE_IN_RESET)) + /* There is a small window after a bus reset within which the node + * entry's generation is current but the reconnect wasn't completed. */ + if (unlikely(atomic_read(&lu->state) == SBP2LU_STATE_IN_RESET)) return; - if (hpsb_node_write(scsi_id->ne, - scsi_id->command_block_agent_addr + offset, + if (hpsb_node_write(lu->ne, lu->command_block_agent_addr + offset, data, len)) SBP2_ERR("sbp2util_notify_fetch_agent failed."); - /* - * Now accept new SCSI commands, unless a bus reset happended during - * hpsb_node_write. - */ - if (likely(atomic_read(&scsi_id->state) != SBP2LU_STATE_IN_RESET)) - scsi_unblock_requests(scsi_id->scsi_host); + + /* Now accept new SCSI commands, unless a bus reset happended during + * hpsb_node_write. */ + if (likely(atomic_read(&lu->state) != SBP2LU_STATE_IN_RESET)) + scsi_unblock_requests(lu->shost); } static void sbp2util_write_orb_pointer(struct work_struct *work) { quadlet_t data[2]; - data[0] = ORB_SET_NODE_ID( - (container_of(work, struct scsi_id_instance_data, protocol_work))->hi->host->node_id); - data[1] = (container_of(work, struct scsi_id_instance_data, protocol_work))->last_orb_dma; + data[0] = ORB_SET_NODE_ID((container_of(work, struct sbp2_lu, protocol_work))->hi->host->node_id); + data[1] = (container_of(work, struct sbp2_lu, protocol_work))->last_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - sbp2util_notify_fetch_agent(container_of(work, struct scsi_id_instance_data, protocol_work), SBP2_ORB_POINTER_OFFSET, data, 8); + sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_ORB_POINTER_OFFSET, data, 8); } static void sbp2util_write_doorbell(struct work_struct *work) { - sbp2util_notify_fetch_agent(container_of(work, struct scsi_id_instance_data, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4); + sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4); } -static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id) +static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; int i; unsigned long flags, orbs; - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); + spin_lock_irqsave(&lu->cmd_orb_lock, flags); for (i = 0; i < orbs; i++) { - command = kzalloc(sizeof(*command), GFP_ATOMIC); - if (!command) { - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, - flags); + cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); + if (!cmd) { + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return -ENOMEM; } - command->command_orb_dma = - pci_map_single(hi->host->pdev, &command->command_orb, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - command->sge_dma = - pci_map_single(hi->host->pdev, - &command->scatter_gather_element, - sizeof(command->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); - INIT_LIST_HEAD(&command->list); - list_add_tail(&command->list, &scsi_id->cmd_orb_completed); + cmd->command_orb_dma = pci_map_single(hi->host->pdev, + &cmd->command_orb, + sizeof(struct sbp2_command_orb), + PCI_DMA_TODEVICE); + cmd->sge_dma = pci_map_single(hi->host->pdev, + &cmd->scatter_gather_element, + sizeof(cmd->scatter_gather_element), + PCI_DMA_BIDIRECTIONAL); + INIT_LIST_HEAD(&cmd->list); + list_add_tail(&cmd->list, &lu->cmd_orb_completed); } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return 0; } -static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id) +static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu) { - struct hpsb_host *host = scsi_id->hi->host; + struct hpsb_host *host = lu->hi->host; struct list_head *lh, *next; - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; unsigned long flags; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - if (!list_empty(&scsi_id->cmd_orb_completed)) { - list_for_each_safe(lh, next, &scsi_id->cmd_orb_completed) { - command = list_entry(lh, struct sbp2_command_info, list); - pci_unmap_single(host->pdev, command->command_orb_dma, + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + if (!list_empty(&lu->cmd_orb_completed)) + list_for_each_safe(lh, next, &lu->cmd_orb_completed) { + cmd = list_entry(lh, struct sbp2_command_info, list); + pci_unmap_single(host->pdev, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); - pci_unmap_single(host->pdev, command->sge_dma, - sizeof(command->scatter_gather_element), + pci_unmap_single(host->pdev, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); - kfree(command); + kfree(cmd); } - } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return; } @@ -542,116 +522,114 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ * Only looks at the in-use list. */ static struct sbp2_command_info *sbp2util_find_command_for_orb( - struct scsi_id_instance_data *scsi_id, dma_addr_t orb) + struct sbp2_lu *lu, dma_addr_t orb) { - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; unsigned long flags; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - if (!list_empty(&scsi_id->cmd_orb_inuse)) { - list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) { - if (command->command_orb_dma == orb) { - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); - return command; + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + if (!list_empty(&lu->cmd_orb_inuse)) + list_for_each_entry(cmd, &lu->cmd_orb_inuse, list) + if (cmd->command_orb_dma == orb) { + spin_unlock_irqrestore( + &lu->cmd_orb_lock, flags); + return cmd; } - } - } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return NULL; } /* * Finds the sbp2_command for a given outstanding SCpnt. * Only looks at the in-use list. - * Must be called with scsi_id->cmd_orb_lock held. + * Must be called with lu->cmd_orb_lock held. */ static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( - struct scsi_id_instance_data *scsi_id, void *SCpnt) + struct sbp2_lu *lu, void *SCpnt) { - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; - if (!list_empty(&scsi_id->cmd_orb_inuse)) - list_for_each_entry(command, &scsi_id->cmd_orb_inuse, list) - if (command->Current_SCpnt == SCpnt) - return command; + if (!list_empty(&lu->cmd_orb_inuse)) + list_for_each_entry(cmd, &lu->cmd_orb_inuse, list) + if (cmd->Current_SCpnt == SCpnt) + return cmd; return NULL; } static struct sbp2_command_info *sbp2util_allocate_command_orb( - struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *Current_SCpnt, - void (*Current_done)(struct scsi_cmnd *)) + struct sbp2_lu *lu, + struct scsi_cmnd *Current_SCpnt, + void (*Current_done)(struct scsi_cmnd *)) { struct list_head *lh; - struct sbp2_command_info *command = NULL; + struct sbp2_command_info *cmd = NULL; unsigned long flags; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - if (!list_empty(&scsi_id->cmd_orb_completed)) { - lh = scsi_id->cmd_orb_completed.next; + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + if (!list_empty(&lu->cmd_orb_completed)) { + lh = lu->cmd_orb_completed.next; list_del(lh); - command = list_entry(lh, struct sbp2_command_info, list); - command->Current_done = Current_done; - command->Current_SCpnt = Current_SCpnt; - list_add_tail(&command->list, &scsi_id->cmd_orb_inuse); - } else { + cmd = list_entry(lh, struct sbp2_command_info, list); + cmd->Current_done = Current_done; + cmd->Current_SCpnt = Current_SCpnt; + list_add_tail(&cmd->list, &lu->cmd_orb_inuse); + } else SBP2_ERR("%s: no orbs available", __FUNCTION__); - } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); - return command; + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); + return cmd; } -static void sbp2util_free_command_dma(struct sbp2_command_info *command) +static void sbp2util_free_command_dma(struct sbp2_command_info *cmd) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)command->Current_SCpnt->device->host->hostdata[0]; + struct sbp2_lu *lu = (struct sbp2_lu *) + cmd->Current_SCpnt->device->host->hostdata[0]; struct hpsb_host *host; - if (!scsi_id) { - SBP2_ERR("%s: scsi_id == NULL", __FUNCTION__); + if (!lu) { + SBP2_ERR("%s: lu == NULL", __FUNCTION__); return; } - host = scsi_id->ud->ne->host; + host = lu->ud->ne->host; - if (command->cmd_dma) { - if (command->dma_type == CMD_DMA_SINGLE) - pci_unmap_single(host->pdev, command->cmd_dma, - command->dma_size, command->dma_dir); - else if (command->dma_type == CMD_DMA_PAGE) - pci_unmap_page(host->pdev, command->cmd_dma, - command->dma_size, command->dma_dir); + if (cmd->cmd_dma) { + if (cmd->dma_type == CMD_DMA_SINGLE) + pci_unmap_single(host->pdev, cmd->cmd_dma, + cmd->dma_size, cmd->dma_dir); + else if (cmd->dma_type == CMD_DMA_PAGE) + pci_unmap_page(host->pdev, cmd->cmd_dma, + cmd->dma_size, cmd->dma_dir); /* XXX: Check for CMD_DMA_NONE bug */ - command->dma_type = CMD_DMA_NONE; - command->cmd_dma = 0; + cmd->dma_type = CMD_DMA_NONE; + cmd->cmd_dma = 0; } - if (command->sge_buffer) { - pci_unmap_sg(host->pdev, command->sge_buffer, - command->dma_size, command->dma_dir); - command->sge_buffer = NULL; + if (cmd->sge_buffer) { + pci_unmap_sg(host->pdev, cmd->sge_buffer, + cmd->dma_size, cmd->dma_dir); + cmd->sge_buffer = NULL; } } /* * This function moves a command to the completed orb list. - * Must be called with scsi_id->cmd_orb_lock held. + * Must be called with lu->cmd_orb_lock held. */ static void sbp2util_mark_command_completed( - struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command) + struct sbp2_lu *lu, + struct sbp2_command_info *cmd) { - list_del(&command->list); - sbp2util_free_command_dma(command); - list_add_tail(&command->list, &scsi_id->cmd_orb_completed); + list_del(&cmd->list); + sbp2util_free_command_dma(cmd); + list_add_tail(&cmd->list, &lu->cmd_orb_completed); } /* - * Is scsi_id valid? Is the 1394 node still present? + * Is lu valid? Is the 1394 node still present? */ -static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_id) +static inline int sbp2util_node_is_available(struct sbp2_lu *lu) { - return scsi_id && scsi_id->ne && !scsi_id->ne->in_limbo; + return lu && lu->ne && !lu->ne->in_limbo; } /********************************************* @@ -661,7 +639,7 @@ static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_ static int sbp2_probe(struct device *dev) { struct unit_directory *ud; - struct scsi_id_instance_data *scsi_id; + struct sbp2_lu *lu; ud = container_of(dev, struct unit_directory, device); @@ -670,60 +648,58 @@ static int sbp2_probe(struct device *dev) if (ud->flags & UNIT_DIRECTORY_HAS_LUN_DIRECTORY) return -ENODEV; - scsi_id = sbp2_alloc_device(ud); - - if (!scsi_id) + lu = sbp2_alloc_device(ud); + if (!lu) return -ENOMEM; - sbp2_parse_unit_directory(scsi_id, ud); - - return sbp2_start_device(scsi_id); + sbp2_parse_unit_directory(lu, ud); + return sbp2_start_device(lu); } static int sbp2_remove(struct device *dev) { struct unit_directory *ud; - struct scsi_id_instance_data *scsi_id; + struct sbp2_lu *lu; struct scsi_device *sdev; ud = container_of(dev, struct unit_directory, device); - scsi_id = ud->device.driver_data; - if (!scsi_id) + lu = ud->device.driver_data; + if (!lu) return 0; - if (scsi_id->scsi_host) { + if (lu->shost) { /* Get rid of enqueued commands if there is no chance to * send them. */ - if (!sbp2util_node_is_available(scsi_id)) - sbp2scsi_complete_all_commands(scsi_id, DID_NO_CONNECT); + if (!sbp2util_node_is_available(lu)) + sbp2scsi_complete_all_commands(lu, DID_NO_CONNECT); /* scsi_remove_device() may trigger shutdown functions of SCSI * highlevel drivers which would deadlock if blocked. */ - atomic_set(&scsi_id->state, SBP2LU_STATE_IN_SHUTDOWN); - scsi_unblock_requests(scsi_id->scsi_host); + atomic_set(&lu->state, SBP2LU_STATE_IN_SHUTDOWN); + scsi_unblock_requests(lu->shost); } - sdev = scsi_id->sdev; + sdev = lu->sdev; if (sdev) { - scsi_id->sdev = NULL; + lu->sdev = NULL; scsi_remove_device(sdev); } - sbp2_logout_device(scsi_id); - sbp2_remove_device(scsi_id); + sbp2_logout_device(lu); + sbp2_remove_device(lu); return 0; } static int sbp2_update(struct unit_directory *ud) { - struct scsi_id_instance_data *scsi_id = ud->device.driver_data; + struct sbp2_lu *lu = ud->device.driver_data; - if (sbp2_reconnect_device(scsi_id)) { + if (sbp2_reconnect_device(lu)) { /* Reconnect has failed. Perhaps we didn't reconnect fast * enough. Try a regular login, but first log out just in * case of any weirdness. */ - sbp2_logout_device(scsi_id); + sbp2_logout_device(lu); - if (sbp2_login_device(scsi_id)) { + if (sbp2_login_device(lu)) { /* Login failed too, just fail, and the backend * will call our sbp2_remove for us */ SBP2_ERR("Failed to reconnect to sbp2 device!"); @@ -731,58 +707,59 @@ static int sbp2_update(struct unit_directory *ud) } } - sbp2_set_busy_timeout(scsi_id); - sbp2_agent_reset(scsi_id, 1); - sbp2_max_speed_and_size(scsi_id); + sbp2_set_busy_timeout(lu); + sbp2_agent_reset(lu, 1); + sbp2_max_speed_and_size(lu); /* Complete any pending commands with busy (so they get retried) * and remove them from our queue. */ - sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); + sbp2scsi_complete_all_commands(lu, DID_BUS_BUSY); /* Accept new commands unless there was another bus reset in the * meantime. */ - if (hpsb_node_entry_valid(scsi_id->ne)) { - atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); - scsi_unblock_requests(scsi_id->scsi_host); + if (hpsb_node_entry_valid(lu->ne)) { + atomic_set(&lu->state, SBP2LU_STATE_RUNNING); + scsi_unblock_requests(lu->shost); } return 0; } -static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud) +static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud) { struct sbp2_fwhost_info *hi; - struct Scsi_Host *scsi_host = NULL; - struct scsi_id_instance_data *scsi_id = NULL; + struct Scsi_Host *shost = NULL; + struct sbp2_lu *lu = NULL; - scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL); - if (!scsi_id) { - SBP2_ERR("failed to create scsi_id"); + lu = kzalloc(sizeof(*lu), GFP_KERNEL); + if (!lu) { + SBP2_ERR("failed to create lu"); goto failed_alloc; } - scsi_id->ne = ud->ne; - scsi_id->ud = ud; - scsi_id->speed_code = IEEE1394_SPEED_100; - scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; - scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; - INIT_LIST_HEAD(&scsi_id->cmd_orb_inuse); - INIT_LIST_HEAD(&scsi_id->cmd_orb_completed); - INIT_LIST_HEAD(&scsi_id->scsi_list); - spin_lock_init(&scsi_id->cmd_orb_lock); - atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); - INIT_WORK(&scsi_id->protocol_work, NULL); + lu->ne = ud->ne; + lu->ud = ud; + lu->speed_code = IEEE1394_SPEED_100; + lu->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; + lu->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; + INIT_LIST_HEAD(&lu->cmd_orb_inuse); + INIT_LIST_HEAD(&lu->cmd_orb_completed); + INIT_LIST_HEAD(&lu->lu_list); + spin_lock_init(&lu->cmd_orb_lock); + atomic_set(&lu->state, SBP2LU_STATE_RUNNING); + INIT_WORK(&lu->protocol_work, NULL); - ud->device.driver_data = scsi_id; + ud->device.driver_data = lu; hi = hpsb_get_hostinfo(&sbp2_highlevel, ud->ne->host); if (!hi) { - hi = hpsb_create_hostinfo(&sbp2_highlevel, ud->ne->host, sizeof(*hi)); + hi = hpsb_create_hostinfo(&sbp2_highlevel, ud->ne->host, + sizeof(*hi)); if (!hi) { SBP2_ERR("failed to allocate hostinfo"); goto failed_alloc; } hi->host = ud->ne->host; - INIT_LIST_HEAD(&hi->scsi_ids); + INIT_LIST_HEAD(&hi->logical_units); #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA /* Handle data movement if physical dma is not @@ -802,9 +779,9 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud goto failed_alloc; } - scsi_id->hi = hi; + lu->hi = hi; - list_add_tail(&scsi_id->scsi_list, &hi->scsi_ids); + list_add_tail(&lu->lu_list, &hi->logical_units); /* Register the status FIFO address range. We could use the same FIFO * for targets at different nodes. However we need different FIFOs per @@ -814,197 +791,190 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud * then be performed as unified transactions. This slightly reduces * bandwidth usage, and some Prolific based devices seem to require it. */ - scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace( + lu->status_fifo_addr = hpsb_allocate_and_register_addrspace( &sbp2_highlevel, ud->ne->host, &sbp2_ops, sizeof(struct sbp2_status_block), sizeof(quadlet_t), ud->ne->host->low_addr_space, CSR1212_ALL_SPACE_END); - if (scsi_id->status_fifo_addr == CSR1212_INVALID_ADDR_SPACE) { + if (lu->status_fifo_addr == CSR1212_INVALID_ADDR_SPACE) { SBP2_ERR("failed to allocate status FIFO address range"); goto failed_alloc; } - scsi_host = scsi_host_alloc(&sbp2_shost_template, - sizeof(unsigned long)); - if (!scsi_host) { + shost = scsi_host_alloc(&sbp2_shost_template, sizeof(unsigned long)); + if (!shost) { SBP2_ERR("failed to register scsi host"); goto failed_alloc; } - scsi_host->hostdata[0] = (unsigned long)scsi_id; + shost->hostdata[0] = (unsigned long)lu; - if (!scsi_add_host(scsi_host, &ud->device)) { - scsi_id->scsi_host = scsi_host; - return scsi_id; + if (!scsi_add_host(shost, &ud->device)) { + lu->shost = shost; + return lu; } SBP2_ERR("failed to add scsi host"); - scsi_host_put(scsi_host); + scsi_host_put(shost); failed_alloc: - sbp2_remove_device(scsi_id); + sbp2_remove_device(lu); return NULL; } static void sbp2_host_reset(struct hpsb_host *host) { struct sbp2_fwhost_info *hi; - struct scsi_id_instance_data *scsi_id; + struct sbp2_lu *lu; hi = hpsb_get_hostinfo(&sbp2_highlevel, host); if (!hi) return; - list_for_each_entry(scsi_id, &hi->scsi_ids, scsi_list) - if (likely(atomic_read(&scsi_id->state) != + list_for_each_entry(lu, &hi->logical_units, lu_list) + if (likely(atomic_read(&lu->state) != SBP2LU_STATE_IN_SHUTDOWN)) { - atomic_set(&scsi_id->state, SBP2LU_STATE_IN_RESET); - scsi_block_requests(scsi_id->scsi_host); + atomic_set(&lu->state, SBP2LU_STATE_IN_RESET); + scsi_block_requests(lu->shost); } } -static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) +static int sbp2_start_device(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; int error; - scsi_id->login_response = - pci_alloc_consistent(hi->host->pdev, + lu->login_response = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_login_response), - &scsi_id->login_response_dma); - if (!scsi_id->login_response) + &lu->login_response_dma); + if (!lu->login_response) goto alloc_fail; - scsi_id->query_logins_orb = - pci_alloc_consistent(hi->host->pdev, + lu->query_logins_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_orb), - &scsi_id->query_logins_orb_dma); - if (!scsi_id->query_logins_orb) + &lu->query_logins_orb_dma); + if (!lu->query_logins_orb) goto alloc_fail; - scsi_id->query_logins_response = - pci_alloc_consistent(hi->host->pdev, + lu->query_logins_response = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_response), - &scsi_id->query_logins_response_dma); - if (!scsi_id->query_logins_response) + &lu->query_logins_response_dma); + if (!lu->query_logins_response) goto alloc_fail; - scsi_id->reconnect_orb = - pci_alloc_consistent(hi->host->pdev, + lu->reconnect_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_reconnect_orb), - &scsi_id->reconnect_orb_dma); - if (!scsi_id->reconnect_orb) + &lu->reconnect_orb_dma); + if (!lu->reconnect_orb) goto alloc_fail; - scsi_id->logout_orb = - pci_alloc_consistent(hi->host->pdev, + lu->logout_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_logout_orb), - &scsi_id->logout_orb_dma); - if (!scsi_id->logout_orb) + &lu->logout_orb_dma); + if (!lu->logout_orb) goto alloc_fail; - scsi_id->login_orb = - pci_alloc_consistent(hi->host->pdev, + lu->login_orb = pci_alloc_consistent(hi->host->pdev, sizeof(struct sbp2_login_orb), - &scsi_id->login_orb_dma); - if (!scsi_id->login_orb) + &lu->login_orb_dma); + if (!lu->login_orb) goto alloc_fail; - if (sbp2util_create_command_orb_pool(scsi_id)) { + if (sbp2util_create_command_orb_pool(lu)) { SBP2_ERR("sbp2util_create_command_orb_pool failed!"); - sbp2_remove_device(scsi_id); + sbp2_remove_device(lu); return -ENOMEM; } /* Wait a second before trying to log in. Previously logged in * initiators need a chance to reconnect. */ if (msleep_interruptible(1000)) { - sbp2_remove_device(scsi_id); + sbp2_remove_device(lu); return -EINTR; } - if (sbp2_login_device(scsi_id)) { - sbp2_remove_device(scsi_id); + if (sbp2_login_device(lu)) { + sbp2_remove_device(lu); return -EBUSY; } - sbp2_set_busy_timeout(scsi_id); - sbp2_agent_reset(scsi_id, 1); - sbp2_max_speed_and_size(scsi_id); + sbp2_set_busy_timeout(lu); + sbp2_agent_reset(lu, 1); + sbp2_max_speed_and_size(lu); - error = scsi_add_device(scsi_id->scsi_host, 0, scsi_id->ud->id, 0); + error = scsi_add_device(lu->shost, 0, lu->ud->id, 0); if (error) { SBP2_ERR("scsi_add_device failed"); - sbp2_logout_device(scsi_id); - sbp2_remove_device(scsi_id); + sbp2_logout_device(lu); + sbp2_remove_device(lu); return error; } return 0; alloc_fail: - SBP2_ERR("Could not allocate memory for scsi_id"); - sbp2_remove_device(scsi_id); + SBP2_ERR("Could not allocate memory for lu"); + sbp2_remove_device(lu); return -ENOMEM; } -static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) +static void sbp2_remove_device(struct sbp2_lu *lu) { struct sbp2_fwhost_info *hi; - if (!scsi_id) + if (!lu) return; - hi = scsi_id->hi; + hi = lu->hi; - if (scsi_id->scsi_host) { - scsi_remove_host(scsi_id->scsi_host); - scsi_host_put(scsi_id->scsi_host); + if (lu->shost) { + scsi_remove_host(lu->shost); + scsi_host_put(lu->shost); } flush_scheduled_work(); - sbp2util_remove_command_orb_pool(scsi_id); + sbp2util_remove_command_orb_pool(lu); - list_del(&scsi_id->scsi_list); + list_del(&lu->lu_list); - if (scsi_id->login_response) + if (lu->login_response) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_login_response), - scsi_id->login_response, - scsi_id->login_response_dma); - if (scsi_id->login_orb) + lu->login_response, + lu->login_response_dma); + if (lu->login_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_login_orb), - scsi_id->login_orb, - scsi_id->login_orb_dma); - if (scsi_id->reconnect_orb) + lu->login_orb, + lu->login_orb_dma); + if (lu->reconnect_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_reconnect_orb), - scsi_id->reconnect_orb, - scsi_id->reconnect_orb_dma); - if (scsi_id->logout_orb) + lu->reconnect_orb, + lu->reconnect_orb_dma); + if (lu->logout_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_logout_orb), - scsi_id->logout_orb, - scsi_id->logout_orb_dma); - if (scsi_id->query_logins_orb) + lu->logout_orb, + lu->logout_orb_dma); + if (lu->query_logins_orb) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_orb), - scsi_id->query_logins_orb, - scsi_id->query_logins_orb_dma); - if (scsi_id->query_logins_response) + lu->query_logins_orb, + lu->query_logins_orb_dma); + if (lu->query_logins_response) pci_free_consistent(hi->host->pdev, sizeof(struct sbp2_query_logins_response), - scsi_id->query_logins_response, - scsi_id->query_logins_response_dma); + lu->query_logins_response, + lu->query_logins_response_dma); - if (scsi_id->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) + if (lu->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, - scsi_id->status_fifo_addr); + lu->status_fifo_addr); - scsi_id->ud->device.driver_data = NULL; + lu->ud->device.driver_data = NULL; if (hi) module_put(hi->host->driver->owner); - kfree(scsi_id); + kfree(lu); } #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA @@ -1037,62 +1007,69 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, * SBP-2 protocol related section **************************************/ -static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) +static int sbp2_query_logins(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; quadlet_t data[2]; int max_logins; int active_logins; - scsi_id->query_logins_orb->reserved1 = 0x0; - scsi_id->query_logins_orb->reserved2 = 0x0; - - scsi_id->query_logins_orb->query_response_lo = scsi_id->query_logins_response_dma; - scsi_id->query_logins_orb->query_response_hi = ORB_SET_NODE_ID(hi->host->node_id); + lu->query_logins_orb->reserved1 = 0x0; + lu->query_logins_orb->reserved2 = 0x0; - scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); - scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); - scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun); + lu->query_logins_orb->query_response_lo = lu->query_logins_response_dma; + lu->query_logins_orb->query_response_hi = + ORB_SET_NODE_ID(hi->host->node_id); + lu->query_logins_orb->lun_misc = + ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); + lu->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); + lu->query_logins_orb->lun_misc |= ORB_SET_LUN(lu->lun); - scsi_id->query_logins_orb->reserved_resp_length = - ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response)); + lu->query_logins_orb->reserved_resp_length = + ORB_SET_QUERY_LOGINS_RESP_LENGTH( + sizeof(struct sbp2_query_logins_response)); - scsi_id->query_logins_orb->status_fifo_hi = - ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); - scsi_id->query_logins_orb->status_fifo_lo = - ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); + lu->query_logins_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); + lu->query_logins_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); - sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb)); + sbp2util_cpu_to_be32_buffer(lu->query_logins_orb, + sizeof(struct sbp2_query_logins_orb)); - memset(scsi_id->query_logins_response, 0, sizeof(struct sbp2_query_logins_response)); + memset(lu->query_logins_response, 0, + sizeof(struct sbp2_query_logins_response)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); - data[1] = scsi_id->query_logins_orb_dma; + data[1] = lu->query_logins_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8); + hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); - if (sbp2util_access_timeout(scsi_id, 2*HZ)) { + if (sbp2util_access_timeout(lu, 2*HZ)) { SBP2_INFO("Error querying logins to SBP-2 device - timed out"); return -EIO; } - if (scsi_id->status_block.ORB_offset_lo != scsi_id->query_logins_orb_dma) { + if (lu->status_block.ORB_offset_lo != lu->query_logins_orb_dma) { SBP2_INFO("Error querying logins to SBP-2 device - timed out"); return -EIO; } - if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { + if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { SBP2_INFO("Error querying logins to SBP-2 device - failed"); return -EIO; } - sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_response, sizeof(struct sbp2_query_logins_response)); + sbp2util_cpu_to_be32_buffer(lu->query_logins_response, + sizeof(struct sbp2_query_logins_response)); - max_logins = RESPONSE_GET_MAX_LOGINS(scsi_id->query_logins_response->length_max_logins); + max_logins = RESPONSE_GET_MAX_LOGINS( + lu->query_logins_response->length_max_logins); SBP2_INFO("Maximum concurrent logins supported: %d", max_logins); - active_logins = RESPONSE_GET_ACTIVE_LOGINS(scsi_id->query_logins_response->length_max_logins); + active_logins = RESPONSE_GET_ACTIVE_LOGINS( + lu->query_logins_response->length_max_logins); SBP2_INFO("Number of active logins: %d", active_logins); if (active_logins >= max_logins) { @@ -1102,164 +1079,169 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) return 0; } -static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) +static int sbp2_login_device(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; quadlet_t data[2]; - if (!scsi_id->login_orb) + if (!lu->login_orb) return -EIO; - if (!sbp2_exclusive_login && sbp2_query_logins(scsi_id)) { + if (!sbp2_exclusive_login && sbp2_query_logins(lu)) { SBP2_INFO("Device does not support any more concurrent logins"); return -EIO; } /* assume no password */ - scsi_id->login_orb->password_hi = 0; - scsi_id->login_orb->password_lo = 0; + lu->login_orb->password_hi = 0; + lu->login_orb->password_lo = 0; - scsi_id->login_orb->login_response_lo = scsi_id->login_response_dma; - scsi_id->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); - scsi_id->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); + lu->login_orb->login_response_lo = lu->login_response_dma; + lu->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); + lu->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); /* one second reconnect time */ - scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); - scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login); - scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); - scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->lun); + lu->login_orb->lun_misc |= ORB_SET_RECONNECT(0); + lu->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login); + lu->login_orb->lun_misc |= ORB_SET_NOTIFY(1); + lu->login_orb->lun_misc |= ORB_SET_LUN(lu->lun); - scsi_id->login_orb->passwd_resp_lengths = + lu->login_orb->passwd_resp_lengths = ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); - scsi_id->login_orb->status_fifo_hi = - ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); - scsi_id->login_orb->status_fifo_lo = - ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); + lu->login_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); + lu->login_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); - sbp2util_cpu_to_be32_buffer(scsi_id->login_orb, sizeof(struct sbp2_login_orb)); + sbp2util_cpu_to_be32_buffer(lu->login_orb, + sizeof(struct sbp2_login_orb)); - memset(scsi_id->login_response, 0, sizeof(struct sbp2_login_response)); + memset(lu->login_response, 0, sizeof(struct sbp2_login_response)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); - data[1] = scsi_id->login_orb_dma; + data[1] = lu->login_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - hpsb_node_write(scsi_id->ne, scsi_id->management_agent_addr, data, 8); + hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); /* wait up to 20 seconds for login status */ - if (sbp2util_access_timeout(scsi_id, 20*HZ)) { + if (sbp2util_access_timeout(lu, 20*HZ)) { SBP2_ERR("Error logging into SBP-2 device - timed out"); return -EIO; } /* make sure that the returned status matches the login ORB */ - if (scsi_id->status_block.ORB_offset_lo != scsi_id->login_orb_dma) { + if (lu->status_block.ORB_offset_lo != lu->login_orb_dma) { SBP2_ERR("Error logging into SBP-2 device - timed out"); return -EIO; } - if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { + if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { SBP2_ERR("Error logging into SBP-2 device - failed"); return -EIO; } - sbp2util_cpu_to_be32_buffer(scsi_id->login_response, sizeof(struct sbp2_login_response)); - scsi_id->command_block_agent_addr = - ((u64)scsi_id->login_response->command_block_agent_hi) << 32; - scsi_id->command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); - scsi_id->command_block_agent_addr &= 0x0000ffffffffffffULL; + sbp2util_cpu_to_be32_buffer(lu->login_response, + sizeof(struct sbp2_login_response)); + lu->command_block_agent_addr = + ((u64)lu->login_response->command_block_agent_hi) << 32; + lu->command_block_agent_addr |= + ((u64)lu->login_response->command_block_agent_lo); + lu->command_block_agent_addr &= 0x0000ffffffffffffULL; SBP2_INFO("Logged into SBP-2 device"); return 0; } -static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) +static int sbp2_logout_device(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; quadlet_t data[2]; int error; - scsi_id->logout_orb->reserved1 = 0x0; - scsi_id->logout_orb->reserved2 = 0x0; - scsi_id->logout_orb->reserved3 = 0x0; - scsi_id->logout_orb->reserved4 = 0x0; + lu->logout_orb->reserved1 = 0x0; + lu->logout_orb->reserved2 = 0x0; + lu->logout_orb->reserved3 = 0x0; + lu->logout_orb->reserved4 = 0x0; - scsi_id->logout_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_LOGOUT_REQUEST); - scsi_id->logout_orb->login_ID_misc |= ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); - scsi_id->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); + lu->logout_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_LOGOUT_REQUEST); + lu->logout_orb->login_ID_misc |= + ORB_SET_LOGIN_ID(lu->login_response->length_login_ID); + lu->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); - scsi_id->logout_orb->reserved5 = 0x0; - scsi_id->logout_orb->status_fifo_hi = - ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); - scsi_id->logout_orb->status_fifo_lo = - ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); + lu->logout_orb->reserved5 = 0x0; + lu->logout_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); + lu->logout_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); - sbp2util_cpu_to_be32_buffer(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb)); + sbp2util_cpu_to_be32_buffer(lu->logout_orb, + sizeof(struct sbp2_logout_orb)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); - data[1] = scsi_id->logout_orb_dma; + data[1] = lu->logout_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - error = hpsb_node_write(scsi_id->ne, - scsi_id->management_agent_addr, data, 8); + error = hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); if (error) return error; /* wait up to 1 second for the device to complete logout */ - if (sbp2util_access_timeout(scsi_id, HZ)) + if (sbp2util_access_timeout(lu, HZ)) return -EIO; SBP2_INFO("Logged out of SBP-2 device"); return 0; } -static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) +static int sbp2_reconnect_device(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; quadlet_t data[2]; int error; - scsi_id->reconnect_orb->reserved1 = 0x0; - scsi_id->reconnect_orb->reserved2 = 0x0; - scsi_id->reconnect_orb->reserved3 = 0x0; - scsi_id->reconnect_orb->reserved4 = 0x0; + lu->reconnect_orb->reserved1 = 0x0; + lu->reconnect_orb->reserved2 = 0x0; + lu->reconnect_orb->reserved3 = 0x0; + lu->reconnect_orb->reserved4 = 0x0; - scsi_id->reconnect_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_RECONNECT_REQUEST); - scsi_id->reconnect_orb->login_ID_misc |= - ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); - scsi_id->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); + lu->reconnect_orb->login_ID_misc = + ORB_SET_FUNCTION(SBP2_RECONNECT_REQUEST); + lu->reconnect_orb->login_ID_misc |= + ORB_SET_LOGIN_ID(lu->login_response->length_login_ID); + lu->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); - scsi_id->reconnect_orb->reserved5 = 0x0; - scsi_id->reconnect_orb->status_fifo_hi = - ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); - scsi_id->reconnect_orb->status_fifo_lo = - ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); + lu->reconnect_orb->reserved5 = 0x0; + lu->reconnect_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); + lu->reconnect_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); - sbp2util_cpu_to_be32_buffer(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb)); + sbp2util_cpu_to_be32_buffer(lu->reconnect_orb, + sizeof(struct sbp2_reconnect_orb)); data[0] = ORB_SET_NODE_ID(hi->host->node_id); - data[1] = scsi_id->reconnect_orb_dma; + data[1] = lu->reconnect_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - error = hpsb_node_write(scsi_id->ne, - scsi_id->management_agent_addr, data, 8); + error = hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); if (error) return error; /* wait up to 1 second for reconnect status */ - if (sbp2util_access_timeout(scsi_id, HZ)) { + if (sbp2util_access_timeout(lu, HZ)) { SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); return -EIO; } /* make sure that the returned status matches the reconnect ORB */ - if (scsi_id->status_block.ORB_offset_lo != scsi_id->reconnect_orb_dma) { + if (lu->status_block.ORB_offset_lo != lu->reconnect_orb_dma) { SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); return -EIO; } - if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { + if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { SBP2_ERR("Error reconnecting to SBP-2 device - failed"); return -EIO; } @@ -1272,17 +1254,17 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) * Set the target node's Single Phase Retry limit. Affects the target's retry * behaviour if our node is too busy to accept requests. */ -static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) +static int sbp2_set_busy_timeout(struct sbp2_lu *lu) { quadlet_t data; data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE); - if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) + if (hpsb_node_write(lu->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) SBP2_ERR("%s error", __FUNCTION__); return 0; } -static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, +static void sbp2_parse_unit_directory(struct sbp2_lu *lu, struct unit_directory *ud) { struct csr1212_keyval *kv; @@ -1305,8 +1287,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, (kv->value.csr_offset << 2); else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) - scsi_id->lun = - ORB_SET_LUN(kv->value.immediate); + lu->lun = ORB_SET_LUN(kv->value.immediate); break; case SBP2_UNIT_CHARACTERISTICS_KEY: @@ -1364,14 +1345,14 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, /* If this is a logical unit directory entry, process the parent * to get the values. */ if (ud->flags & UNIT_DIRECTORY_LUN_DIRECTORY) { - struct unit_directory *parent_ud = - container_of(ud->device.parent, struct unit_directory, device); - sbp2_parse_unit_directory(scsi_id, parent_ud); + struct unit_directory *parent_ud = container_of( + ud->device.parent, struct unit_directory, device); + sbp2_parse_unit_directory(lu, parent_ud); } else { - scsi_id->management_agent_addr = management_agent_addr; - scsi_id->workarounds = workarounds; + lu->management_agent_addr = management_agent_addr; + lu->workarounds = workarounds; if (ud->flags & UNIT_DIRECTORY_HAS_LUN) - scsi_id->lun = ORB_SET_LUN(ud->lun); + lu->lun = ORB_SET_LUN(ud->lun); } } @@ -1386,59 +1367,58 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, * the speed that it needs to use, and the max_rec the host supports, and * it takes care of the rest. */ -static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) +static int sbp2_max_speed_and_size(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; u8 payload; - scsi_id->speed_code = - hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; + lu->speed_code = hi->host->speed[NODEID_TO_NODE(lu->ne->nodeid)]; - if (scsi_id->speed_code > sbp2_max_speed) { - scsi_id->speed_code = sbp2_max_speed; + if (lu->speed_code > sbp2_max_speed) { + lu->speed_code = sbp2_max_speed; SBP2_INFO("Reducing speed to %s", hpsb_speedto_str[sbp2_max_speed]); } /* Payload size is the lesser of what our speed supports and what * our host supports. */ - payload = min(sbp2_speedto_max_payload[scsi_id->speed_code], + payload = min(sbp2_speedto_max_payload[lu->speed_code], (u8) (hi->host->csr.max_rec - 1)); /* If physical DMA is off, work around limitation in ohci1394: * packet size must not exceed PAGE_SIZE */ - if (scsi_id->ne->host->low_addr_space < (1ULL << 32)) + if (lu->ne->host->low_addr_space < (1ULL << 32)) while (SBP2_PAYLOAD_TO_BYTES(payload) + 24 > PAGE_SIZE && payload) payload--; SBP2_INFO("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", - NODE_BUS_ARGS(hi->host, scsi_id->ne->nodeid), - hpsb_speedto_str[scsi_id->speed_code], + NODE_BUS_ARGS(hi->host, lu->ne->nodeid), + hpsb_speedto_str[lu->speed_code], SBP2_PAYLOAD_TO_BYTES(payload)); - scsi_id->max_payload_size = payload; + lu->max_payload_size = payload; return 0; } -static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) +static int sbp2_agent_reset(struct sbp2_lu *lu, int wait) { quadlet_t data; u64 addr; int retval; unsigned long flags; - /* cancel_delayed_work(&scsi_id->protocol_work); */ + /* cancel_delayed_work(&lu->protocol_work); */ if (wait) flush_scheduled_work(); data = ntohl(SBP2_AGENT_RESET_DATA); - addr = scsi_id->command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; + addr = lu->command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; if (wait) - retval = hpsb_node_write(scsi_id->ne, addr, &data, 4); + retval = hpsb_node_write(lu->ne, addr, &data, 4); else - retval = sbp2util_node_write_no_wait(scsi_id->ne, addr, &data, 4); + retval = sbp2util_node_write_no_wait(lu->ne, addr, &data, 4); if (retval < 0) { SBP2_ERR("hpsb_node_write failed.\n"); @@ -1446,22 +1426,22 @@ static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) } /* make sure that the ORB_POINTER is written on next command */ - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - scsi_id->last_orb = NULL; - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + lu->last_orb = NULL; + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return 0; } static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, struct sbp2_fwhost_info *hi, - struct sbp2_command_info *command, + struct sbp2_command_info *cmd, unsigned int scsi_use_sg, struct scatterlist *sgpnt, u32 orb_direction, enum dma_data_direction dma_dir) { - command->dma_dir = dma_dir; + cmd->dma_dir = dma_dir; orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); @@ -1469,31 +1449,29 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, if ((scsi_use_sg == 1) && (sgpnt[0].length <= SBP2_MAX_SG_ELEMENT_LENGTH)) { - command->dma_size = sgpnt[0].length; - command->dma_type = CMD_DMA_PAGE; - command->cmd_dma = pci_map_page(hi->host->pdev, - sgpnt[0].page, - sgpnt[0].offset, - command->dma_size, - command->dma_dir); + cmd->dma_size = sgpnt[0].length; + cmd->dma_type = CMD_DMA_PAGE; + cmd->cmd_dma = pci_map_page(hi->host->pdev, + sgpnt[0].page, sgpnt[0].offset, + cmd->dma_size, cmd->dma_dir); - orb->data_descriptor_lo = command->cmd_dma; - orb->misc |= ORB_SET_DATA_SIZE(command->dma_size); + orb->data_descriptor_lo = cmd->cmd_dma; + orb->misc |= ORB_SET_DATA_SIZE(cmd->dma_size); } else { struct sbp2_unrestricted_page_table *sg_element = - &command->scatter_gather_element[0]; + &cmd->scatter_gather_element[0]; u32 sg_count, sg_len; dma_addr_t sg_addr; int i, count = pci_map_sg(hi->host->pdev, sgpnt, scsi_use_sg, dma_dir); - command->dma_size = scsi_use_sg; - command->sge_buffer = sgpnt; + cmd->dma_size = scsi_use_sg; + cmd->sge_buffer = sgpnt; /* use page tables (s/g) */ orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); - orb->data_descriptor_lo = command->sge_dma; + orb->data_descriptor_lo = cmd->sge_dma; /* loop through and fill out our SBP-2 page tables * (and split up anything too large) */ @@ -1519,25 +1497,25 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_DATA_SIZE(sg_count); sbp2util_cpu_to_be32_buffer(sg_element, - (sizeof(struct sbp2_unrestricted_page_table)) * - sg_count); + (sizeof(struct sbp2_unrestricted_page_table)) * + sg_count); } } static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, struct sbp2_fwhost_info *hi, - struct sbp2_command_info *command, + struct sbp2_command_info *cmd, struct scatterlist *sgpnt, u32 orb_direction, unsigned int scsi_request_bufflen, void *scsi_request_buffer, enum dma_data_direction dma_dir) { - command->dma_dir = dma_dir; - command->dma_size = scsi_request_bufflen; - command->dma_type = CMD_DMA_SINGLE; - command->cmd_dma = pci_map_single(hi->host->pdev, scsi_request_buffer, - command->dma_size, command->dma_dir); + cmd->dma_dir = dma_dir; + cmd->dma_size = scsi_request_bufflen; + cmd->dma_type = CMD_DMA_SINGLE; + cmd->cmd_dma = pci_map_single(hi->host->pdev, scsi_request_buffer, + cmd->dma_size, cmd->dma_dir); orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); @@ -1545,24 +1523,24 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, * (but check for transfers larger than 64K) */ if (scsi_request_bufflen <= SBP2_MAX_SG_ELEMENT_LENGTH) { - orb->data_descriptor_lo = command->cmd_dma; + orb->data_descriptor_lo = cmd->cmd_dma; orb->misc |= ORB_SET_DATA_SIZE(scsi_request_bufflen); } else { /* The buffer is too large. Turn this into page tables. */ struct sbp2_unrestricted_page_table *sg_element = - &command->scatter_gather_element[0]; + &cmd->scatter_gather_element[0]; u32 sg_count, sg_len; dma_addr_t sg_addr; - orb->data_descriptor_lo = command->sge_dma; + orb->data_descriptor_lo = cmd->sge_dma; orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); /* fill out our SBP-2 page tables; split up the large buffer */ sg_count = 0; sg_len = scsi_request_bufflen; - sg_addr = command->cmd_dma; + sg_addr = cmd->cmd_dma; while (sg_len) { sg_element[sg_count].segment_base_lo = sg_addr; if (sg_len > SBP2_MAX_SG_ELEMENT_LENGTH) { @@ -1581,22 +1559,22 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_DATA_SIZE(sg_count); sbp2util_cpu_to_be32_buffer(sg_element, - (sizeof(struct sbp2_unrestricted_page_table)) * - sg_count); + (sizeof(struct sbp2_unrestricted_page_table)) * + sg_count); } } -static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command, +static void sbp2_create_command_orb(struct sbp2_lu *lu, + struct sbp2_command_info *cmd, unchar *scsi_cmd, unsigned int scsi_use_sg, unsigned int scsi_request_bufflen, void *scsi_request_buffer, enum dma_data_direction dma_dir) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; struct scatterlist *sgpnt = (struct scatterlist *)scsi_request_buffer; - struct sbp2_command_orb *command_orb = &command->command_orb; + struct sbp2_command_orb *orb = &cmd->command_orb; u32 orb_direction; /* @@ -1607,11 +1585,11 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, * that data_size becomes the number of s/g elements, and * page_size should be zero (for unrestricted). */ - command_orb->next_ORB_hi = ORB_SET_NULL_PTR(1); - command_orb->next_ORB_lo = 0x0; - command_orb->misc = ORB_SET_MAX_PAYLOAD(scsi_id->max_payload_size); - command_orb->misc |= ORB_SET_SPEED(scsi_id->speed_code); - command_orb->misc |= ORB_SET_NOTIFY(1); + orb->next_ORB_hi = ORB_SET_NULL_PTR(1); + orb->next_ORB_lo = 0x0; + orb->misc = ORB_SET_MAX_PAYLOAD(lu->max_payload_size); + orb->misc |= ORB_SET_SPEED(lu->speed_code); + orb->misc |= ORB_SET_NOTIFY(1); if (dma_dir == DMA_NONE) orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; @@ -1626,46 +1604,45 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, /* set up our page table stuff */ if (orb_direction == ORB_DIRECTION_NO_DATA_TRANSFER) { - command_orb->data_descriptor_hi = 0x0; - command_orb->data_descriptor_lo = 0x0; - command_orb->misc |= ORB_SET_DIRECTION(1); + orb->data_descriptor_hi = 0x0; + orb->data_descriptor_lo = 0x0; + orb->misc |= ORB_SET_DIRECTION(1); } else if (scsi_use_sg) - sbp2_prep_command_orb_sg(command_orb, hi, command, scsi_use_sg, - sgpnt, orb_direction, dma_dir); + sbp2_prep_command_orb_sg(orb, hi, cmd, scsi_use_sg, sgpnt, + orb_direction, dma_dir); else - sbp2_prep_command_orb_no_sg(command_orb, hi, command, sgpnt, - orb_direction, scsi_request_bufflen, + sbp2_prep_command_orb_no_sg(orb, hi, cmd, sgpnt, orb_direction, + scsi_request_bufflen, scsi_request_buffer, dma_dir); - sbp2util_cpu_to_be32_buffer(command_orb, sizeof(struct sbp2_command_orb)); + sbp2util_cpu_to_be32_buffer(orb, sizeof(*orb)); - memset(command_orb->cdb, 0, 12); - memcpy(command_orb->cdb, scsi_cmd, COMMAND_SIZE(*scsi_cmd)); + memset(orb->cdb, 0, 12); + memcpy(orb->cdb, scsi_cmd, COMMAND_SIZE(*scsi_cmd)); } -static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command) +static void sbp2_link_orb_command(struct sbp2_lu *lu, + struct sbp2_command_info *cmd) { - struct sbp2_fwhost_info *hi = scsi_id->hi; - struct sbp2_command_orb *command_orb = &command->command_orb; + struct sbp2_fwhost_info *hi = lu->hi; struct sbp2_command_orb *last_orb; dma_addr_t last_orb_dma; - u64 addr = scsi_id->command_block_agent_addr; + u64 addr = lu->command_block_agent_addr; quadlet_t data[2]; size_t length; unsigned long flags; - pci_dma_sync_single_for_device(hi->host->pdev, command->command_orb_dma, + pci_dma_sync_single_for_device(hi->host->pdev, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); - pci_dma_sync_single_for_device(hi->host->pdev, command->sge_dma, - sizeof(command->scatter_gather_element), + pci_dma_sync_single_for_device(hi->host->pdev, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), PCI_DMA_BIDIRECTIONAL); /* check to see if there are any previous orbs to use */ - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - last_orb = scsi_id->last_orb; - last_orb_dma = scsi_id->last_orb_dma; + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + last_orb = lu->last_orb; + last_orb_dma = lu->last_orb_dma; if (!last_orb) { /* * last_orb == NULL means: We know that the target's fetch agent @@ -1673,7 +1650,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, */ addr += SBP2_ORB_POINTER_OFFSET; data[0] = ORB_SET_NODE_ID(hi->host->node_id); - data[1] = command->command_orb_dma; + data[1] = cmd->command_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); length = 8; } else { @@ -1687,7 +1664,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, pci_dma_sync_single_for_cpu(hi->host->pdev, last_orb_dma, sizeof(struct sbp2_command_orb), PCI_DMA_TODEVICE); - last_orb->next_ORB_lo = cpu_to_be32(command->command_orb_dma); + last_orb->next_ORB_lo = cpu_to_be32(cmd->command_orb_dma); wmb(); /* Tells hardware that this pointer is valid */ last_orb->next_ORB_hi = 0; @@ -1698,11 +1675,11 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, data[0] = 0; length = 4; } - scsi_id->last_orb = command_orb; - scsi_id->last_orb_dma = command->command_orb_dma; - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + lu->last_orb = &cmd->command_orb; + lu->last_orb_dma = cmd->command_orb_dma; + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); - if (sbp2util_node_write_no_wait(scsi_id->ne, addr, data, length)) { + if (sbp2util_node_write_no_wait(lu->ne, addr, data, length)) { /* * sbp2util_node_write_no_wait failed. We certainly ran out * of transaction labels, perhaps just because there were no @@ -1711,31 +1688,30 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, * the workqueue job will sleep to guaranteedly get a tlabel. * We do not accept new commands until the job is over. */ - scsi_block_requests(scsi_id->scsi_host); - PREPARE_WORK(&scsi_id->protocol_work, + scsi_block_requests(lu->shost); + PREPARE_WORK(&lu->protocol_work, last_orb ? sbp2util_write_doorbell: sbp2util_write_orb_pointer /* */); - schedule_work(&scsi_id->protocol_work); + schedule_work(&lu->protocol_work); } } -static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, - struct scsi_cmnd *SCpnt, +static int sbp2_send_command(struct sbp2_lu *lu, struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { - unchar *cmd = (unchar *) SCpnt->cmnd; + unchar *scsi_cmd = (unchar *)SCpnt->cmnd; unsigned int request_bufflen = SCpnt->request_bufflen; - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; - command = sbp2util_allocate_command_orb(scsi_id, SCpnt, done); - if (!command) + cmd = sbp2util_allocate_command_orb(lu, SCpnt, done); + if (!cmd) return -EIO; - sbp2_create_command_orb(scsi_id, command, cmd, SCpnt->use_sg, + sbp2_create_command_orb(lu, cmd, scsi_cmd, SCpnt->use_sg, request_bufflen, SCpnt->request_buffer, SCpnt->sc_data_direction); - sbp2_link_orb_command(scsi_id, command); + sbp2_link_orb_command(lu, cmd); return 0; } @@ -1743,7 +1719,8 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, /* * Translates SBP-2 status into SCSI sense data for check conditions */ -static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data) +static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, + unchar *sense_data) { /* OK, it's pretty ugly... ;-) */ sense_data[0] = 0x70; @@ -1771,11 +1748,11 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, size_t length, u16 fl) { struct sbp2_fwhost_info *hi; - struct scsi_id_instance_data *scsi_id = NULL, *scsi_id_tmp; + struct sbp2_lu *lu = NULL, *lu_tmp; struct scsi_cmnd *SCpnt = NULL; struct sbp2_status_block *sb; u32 scsi_status = SBP2_SCSI_STATUS_GOOD; - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; unsigned long flags; if (unlikely(length < 8 || length > sizeof(struct sbp2_status_block))) { @@ -1793,49 +1770,50 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, } /* Find the unit which wrote the status. */ - list_for_each_entry(scsi_id_tmp, &hi->scsi_ids, scsi_list) { - if (scsi_id_tmp->ne->nodeid == nodeid && - scsi_id_tmp->status_fifo_addr == addr) { - scsi_id = scsi_id_tmp; + list_for_each_entry(lu_tmp, &hi->logical_units, lu_list) { + if (lu_tmp->ne->nodeid == nodeid && + lu_tmp->status_fifo_addr == addr) { + lu = lu_tmp; break; } } - if (unlikely(!scsi_id)) { - SBP2_ERR("scsi_id is NULL - device is gone?"); + if (unlikely(!lu)) { + SBP2_ERR("lu is NULL - device is gone?"); return RCODE_ADDRESS_ERROR; } - /* Put response into scsi_id status fifo buffer. The first two bytes + /* Put response into lu status fifo buffer. The first two bytes * come in big endian bit order. Often the target writes only a * truncated status block, minimally the first two quadlets. The rest * is implied to be zeros. */ - sb = &scsi_id->status_block; + sb = &lu->status_block; memset(sb->command_set_dependent, 0, sizeof(sb->command_set_dependent)); memcpy(sb, data, length); sbp2util_be32_to_cpu_buffer(sb, 8); /* Ignore unsolicited status. Handle command ORB status. */ if (unlikely(STATUS_GET_SRC(sb->ORB_offset_hi_misc) == 2)) - command = NULL; + cmd = NULL; else - command = sbp2util_find_command_for_orb(scsi_id, - sb->ORB_offset_lo); - if (command) { - pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, - sizeof(command->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo); + if (cmd) { + pci_dma_sync_single_for_cpu(hi->host->pdev, + cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + PCI_DMA_TODEVICE); + pci_dma_sync_single_for_cpu(hi->host->pdev, + cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + PCI_DMA_BIDIRECTIONAL); /* Grab SCSI command pointers and check status. */ /* * FIXME: If the src field in the status is 1, the ORB DMA must * not be reused until status for a subsequent ORB is received. */ - SCpnt = command->Current_SCpnt; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - sbp2util_mark_command_completed(scsi_id, command); - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + SCpnt = cmd->Current_SCpnt; + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + sbp2util_mark_command_completed(lu, cmd); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); if (SCpnt) { u32 h = sb->ORB_offset_hi_misc; @@ -1855,7 +1833,7 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, (unchar *)sb, SCpnt->sense_buffer); if (STATUS_TEST_DEAD(h)) - sbp2_agent_reset(scsi_id, 0); + sbp2_agent_reset(lu, 0); } /* Check here to see if there are no commands in-use. If there @@ -1864,25 +1842,25 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, * last_orb so that next time we write directly to the * ORB_POINTER register. That way the fetch agent does not need * to refetch the next_ORB. */ - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - if (list_empty(&scsi_id->cmd_orb_inuse)) - scsi_id->last_orb = NULL; - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + if (list_empty(&lu->cmd_orb_inuse)) + lu->last_orb = NULL; + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); } else { /* It's probably status after a management request. */ - if ((sb->ORB_offset_lo == scsi_id->reconnect_orb_dma) || - (sb->ORB_offset_lo == scsi_id->login_orb_dma) || - (sb->ORB_offset_lo == scsi_id->query_logins_orb_dma) || - (sb->ORB_offset_lo == scsi_id->logout_orb_dma)) { - scsi_id->access_complete = 1; + if ((sb->ORB_offset_lo == lu->reconnect_orb_dma) || + (sb->ORB_offset_lo == lu->login_orb_dma) || + (sb->ORB_offset_lo == lu->query_logins_orb_dma) || + (sb->ORB_offset_lo == lu->logout_orb_dma)) { + lu->access_complete = 1; wake_up_interruptible(&sbp2_access_wq); } } if (SCpnt) - sbp2scsi_complete_command(scsi_id, scsi_status, SCpnt, - command->Current_done); + sbp2scsi_complete_command(lu, scsi_status, SCpnt, + cmd->Current_done); return RCODE_COMPLETE; } @@ -1893,15 +1871,14 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; + struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; struct sbp2_fwhost_info *hi; int result = DID_NO_CONNECT << 16; - if (unlikely(!sbp2util_node_is_available(scsi_id))) + if (unlikely(!sbp2util_node_is_available(lu))) goto done; - hi = scsi_id->hi; + hi = lu->hi; if (unlikely(!hi)) { SBP2_ERR("sbp2_fwhost_info is NULL - this is bad!"); @@ -1916,13 +1893,15 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, /* handle the request sense command here (auto-request sense) */ if (SCpnt->cmnd[0] == REQUEST_SENSE) { - memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen); + memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, + SCpnt->request_bufflen); memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); - sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_GOOD, SCpnt, done); + sbp2scsi_complete_command(lu, SBP2_SCSI_STATUS_GOOD, SCpnt, + done); return 0; } - if (unlikely(!hpsb_node_entry_valid(scsi_id->ne))) { + if (unlikely(!hpsb_node_entry_valid(lu->ne))) { SBP2_ERR("Bus reset in progress - rejecting command"); result = DID_BUS_BUSY << 16; goto done; @@ -1936,9 +1915,10 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, goto done; } - if (sbp2_send_command(scsi_id, SCpnt, done)) { + if (sbp2_send_command(lu, SCpnt, done)) { SBP2_ERR("Error sending SCSI command"); - sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_SELECTION_TIMEOUT, + sbp2scsi_complete_command(lu, + SBP2_SCSI_STATUS_SELECTION_TIMEOUT, SCpnt, done); } return 0; @@ -1949,31 +1929,31 @@ done: return 0; } -static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, - u32 status) +static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) { - struct sbp2_fwhost_info *hi = scsi_id->hi; + struct sbp2_fwhost_info *hi = lu->hi; struct list_head *lh; - struct sbp2_command_info *command; + struct sbp2_command_info *cmd; unsigned long flags; - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - while (!list_empty(&scsi_id->cmd_orb_inuse)) { - lh = scsi_id->cmd_orb_inuse.next; - command = list_entry(lh, struct sbp2_command_info, list); - pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, - sizeof(command->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); - sbp2util_mark_command_completed(scsi_id, command); - if (command->Current_SCpnt) { - command->Current_SCpnt->result = status << 16; - command->Current_done(command->Current_SCpnt); + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + while (!list_empty(&lu->cmd_orb_inuse)) { + lh = lu->cmd_orb_inuse.next; + cmd = list_entry(lh, struct sbp2_command_info, list); + pci_dma_sync_single_for_cpu(hi->host->pdev, + cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + PCI_DMA_TODEVICE); + pci_dma_sync_single_for_cpu(hi->host->pdev, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + PCI_DMA_BIDIRECTIONAL); + sbp2util_mark_command_completed(lu, cmd); + if (cmd->Current_SCpnt) { + cmd->Current_SCpnt->result = status << 16; + cmd->Current_done(cmd->Current_SCpnt); } } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return; } @@ -1981,8 +1961,8 @@ static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id /* * Complete a regular SCSI command. Can be called in atomic context. */ -static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, - u32 scsi_status, struct scsi_cmnd *SCpnt, +static void sbp2scsi_complete_command(struct sbp2_lu *lu, u32 scsi_status, + struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { if (!SCpnt) { @@ -2025,7 +2005,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, /* If a bus reset is in progress and there was an error, complete * the command as busy so that it will get retried. */ - if (!hpsb_node_entry_valid(scsi_id->ne) + if (!hpsb_node_entry_valid(lu->ne) && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { SBP2_ERR("Completing command with busy (bus reset)"); SCpnt->result = DID_BUS_BUSY << 16; @@ -2037,36 +2017,34 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, static int sbp2scsi_slave_alloc(struct scsi_device *sdev) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)sdev->host->hostdata[0]; + struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0]; - scsi_id->sdev = sdev; + lu->sdev = sdev; sdev->allow_restart = 1; - if (scsi_id->workarounds & SBP2_WORKAROUND_INQUIRY_36) + if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36) sdev->inquiry_len = 36; return 0; } static int sbp2scsi_slave_configure(struct scsi_device *sdev) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)sdev->host->hostdata[0]; + struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0]; blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); sdev->use_10_for_rw = 1; if (sdev->type == TYPE_DISK && - scsi_id->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) + lu->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) sdev->skip_ms_page_8 = 1; - if (scsi_id->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) + if (lu->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) sdev->fix_capacity = 1; return 0; } static void sbp2scsi_slave_destroy(struct scsi_device *sdev) { - ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = NULL; + ((struct sbp2_lu *)sdev->host->hostdata[0])->sdev = NULL; return; } @@ -2076,39 +2054,38 @@ static void sbp2scsi_slave_destroy(struct scsi_device *sdev) */ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; - struct sbp2_fwhost_info *hi = scsi_id->hi; - struct sbp2_command_info *command; + struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; + struct sbp2_fwhost_info *hi = lu->hi; + struct sbp2_command_info *cmd; unsigned long flags; SBP2_INFO("aborting sbp2 command"); scsi_print_command(SCpnt); - if (sbp2util_node_is_available(scsi_id)) { - sbp2_agent_reset(scsi_id, 1); + if (sbp2util_node_is_available(lu)) { + sbp2_agent_reset(lu, 1); /* Return a matching command structure to the free pool. */ - spin_lock_irqsave(&scsi_id->cmd_orb_lock, flags); - command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt); - if (command) { + spin_lock_irqsave(&lu->cmd_orb_lock, flags); + cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt); + if (cmd) { pci_dma_sync_single_for_cpu(hi->host->pdev, - command->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); + cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + PCI_DMA_TODEVICE); pci_dma_sync_single_for_cpu(hi->host->pdev, - command->sge_dma, - sizeof(command->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); - sbp2util_mark_command_completed(scsi_id, command); - if (command->Current_SCpnt) { - command->Current_SCpnt->result = DID_ABORT << 16; - command->Current_done(command->Current_SCpnt); + cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + PCI_DMA_BIDIRECTIONAL); + sbp2util_mark_command_completed(lu, cmd); + if (cmd->Current_SCpnt) { + cmd->Current_SCpnt->result = DID_ABORT << 16; + cmd->Current_done(cmd->Current_SCpnt); } } - spin_unlock_irqrestore(&scsi_id->cmd_orb_lock, flags); + spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); - sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); + sbp2scsi_complete_all_commands(lu, DID_BUS_BUSY); } return SUCCESS; @@ -2119,14 +2096,13 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) */ static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) { - struct scsi_id_instance_data *scsi_id = - (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; + struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; SBP2_INFO("reset requested"); - if (sbp2util_node_is_available(scsi_id)) { + if (sbp2util_node_is_available(lu)) { SBP2_INFO("generating sbp2 fetch agent reset"); - sbp2_agent_reset(scsi_id, 1); + sbp2_agent_reset(lu, 1); } return SUCCESS; @@ -2137,16 +2113,16 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, char *buf) { struct scsi_device *sdev; - struct scsi_id_instance_data *scsi_id; + struct sbp2_lu *lu; if (!(sdev = to_scsi_device(dev))) return 0; - if (!(scsi_id = (struct scsi_id_instance_data *)sdev->host->hostdata[0])) + if (!(lu = (struct sbp2_lu *)sdev->host->hostdata[0])) return 0; - return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid, - scsi_id->ud->id, ORB_SET_LUN(scsi_id->lun)); + return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)lu->ne->guid, + lu->ud->id, ORB_SET_LUN(lu->lun)); } MODULE_AUTHOR("Ben Collins "); diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 8902a467695..38ca1195e8e 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -256,7 +256,8 @@ struct sbp2_command_info { void (*Current_done)(struct scsi_cmnd *); /* Also need s/g structure for each sbp2 command */ - struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; + struct sbp2_unrestricted_page_table + scatter_gather_element[SG_ALL] ____cacheline_aligned; dma_addr_t sge_dma ____cacheline_aligned; void *sge_buffer; dma_addr_t cmd_dma; @@ -268,11 +269,11 @@ struct sbp2_command_info { /* Per FireWire host */ struct sbp2_fwhost_info { struct hpsb_host *host; - struct list_head scsi_ids; + struct list_head logical_units; }; /* Per logical unit */ -struct scsi_id_instance_data { +struct sbp2_lu { /* Operation request blocks */ struct sbp2_command_orb *last_orb; dma_addr_t last_orb_dma; @@ -310,7 +311,7 @@ struct scsi_id_instance_data { /* Backlink to FireWire host; list of units attached to the host */ struct sbp2_fwhost_info *hi; - struct list_head scsi_list; + struct list_head lu_list; /* IEEE 1394 core's device representations */ struct node_entry *ne; @@ -318,7 +319,7 @@ struct scsi_id_instance_data { /* SCSI core's device representations */ struct scsi_device *sdev; - struct Scsi_Host *scsi_host; + struct Scsi_Host *shost; /* Device specific workarounds/brokeness */ unsigned workarounds; @@ -330,14 +331,14 @@ struct scsi_id_instance_data { struct work_struct protocol_work; }; -/* For use in scsi_id_instance_data.state */ +/* For use in sbp2_lu.state */ enum sbp2lu_state_types { SBP2LU_STATE_RUNNING, /* all normal */ SBP2LU_STATE_IN_RESET, /* between bus reset and reconnect */ SBP2LU_STATE_IN_SHUTDOWN /* when sbp2_remove was called */ }; -/* For use in scsi_id_instance_data.workarounds and in the corresponding +/* For use in sbp2_lu.workarounds and in the corresponding * module load parameter */ #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 #define SBP2_WORKAROUND_INQUIRY_36 0x2 -- cgit v1.2.3 From cd641f68d628e5c44350447d4b8d661991419e60 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: use list_move_tail() It's OK to reorder list_del() and sbp2util_free_command_dma() here. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index a7fb588d3ca..2b6d9a0fa73 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -619,9 +619,8 @@ static void sbp2util_mark_command_completed( struct sbp2_lu *lu, struct sbp2_command_info *cmd) { - list_del(&cmd->list); sbp2util_free_command_dma(cmd); - list_add_tail(&cmd->list, &lu->cmd_orb_completed); + list_move_tail(&cmd->list, &lu->cmd_orb_completed); } /* -- cgit v1.2.3 From 2a533b179dcfe941ccbe30344d14f39f6d7098ae Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 2 Nov 2006 21:16:08 +0100 Subject: ieee1394: sbp2: update comment on things to do Some people actually look at those comments. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 2b6d9a0fa73..187e26f0485 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -29,13 +29,27 @@ * driver. It also registers as a SCSI lower-level driver in order to accept * SCSI commands for transport using SBP-2. * - * You may access any attached SBP-2 storage devices as if they were SCSI - * devices (e.g. mount /dev/sda1, fdisk, mkfs, etc.). + * You may access any attached SBP-2 (usually storage devices) as regular + * SCSI devices. E.g. mount /dev/sda1, fdisk, mkfs, etc.. * - * Current Issues: + * See http://www.t10.org/drafts.htm#sbp2 for the final draft of the SBP-2 + * specification and for where to purchase the official standard. * - * - Error Handling: SCSI aborts and bus reset requests are handled somewhat - * but the code needs additional debugging. + * TODO: + * - look into possible improvements of the SCSI error handlers + * - handle Unit_Characteristics.mgt_ORB_timeout and .ORB_size + * - handle Logical_Unit_Number.ordered + * - handle src == 1 in status blocks + * - reimplement the DMA mapping in absence of physical DMA so that + * bus_to_virt is no longer required + * - debug the handling of absent physical DMA + * - replace CONFIG_IEEE1394_SBP2_PHYS_DMA by automatic detection + * (this is easy but depends on the previous two TODO items) + * - make the parameter serialize_io configurable per device + * - move all requests to fetch agent registers into non-atomic context, + * replace all usages of sbp2util_node_write_no_wait by true transactions + * - convert to generic DMA mapping API to eliminate dependency on PCI + * Grep for inline FIXME comments below. */ #include @@ -107,8 +121,6 @@ MODULE_PARM_DESC(max_speed, "Force max speed " * Set serialize_io to 1 if you'd like only one scsi command sent * down to us at a time (debugging). This might be necessary for very * badly behaved sbp2 devices. - * - * TODO: Make this configurable per device. */ static int sbp2_serialize_io = 1; module_param_named(serialize_io, sbp2_serialize_io, int, 0444); -- cgit v1.2.3 From 58272c1c0330f5f899f130d45ce845ca085de044 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 4 Nov 2006 09:55:33 +0100 Subject: ieee1394: sbp2: wrap two functions into one Move the body of a function into its only caller. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 30 +++++++----------------------- 1 file changed, 7 insertions(+), 23 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 187e26f0485..5d3b96e0a95 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -591,18 +591,14 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb( return cmd; } -static void sbp2util_free_command_dma(struct sbp2_command_info *cmd) +/* + * Unmaps the DMAs of a command and moves the command to the completed ORB list. + * Must be called with lu->cmd_orb_lock held. + */ +static void sbp2util_mark_command_completed(struct sbp2_lu *lu, + struct sbp2_command_info *cmd) { - struct sbp2_lu *lu = (struct sbp2_lu *) - cmd->Current_SCpnt->device->host->hostdata[0]; - struct hpsb_host *host; - - if (!lu) { - SBP2_ERR("%s: lu == NULL", __FUNCTION__); - return; - } - - host = lu->ud->ne->host; + struct hpsb_host *host = lu->ud->ne->host; if (cmd->cmd_dma) { if (cmd->dma_type == CMD_DMA_SINGLE) @@ -615,23 +611,11 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *cmd) cmd->dma_type = CMD_DMA_NONE; cmd->cmd_dma = 0; } - if (cmd->sge_buffer) { pci_unmap_sg(host->pdev, cmd->sge_buffer, cmd->dma_size, cmd->dma_dir); cmd->sge_buffer = NULL; } -} - -/* - * This function moves a command to the completed orb list. - * Must be called with lu->cmd_orb_lock held. - */ -static void sbp2util_mark_command_completed( - struct sbp2_lu *lu, - struct sbp2_command_info *cmd) -{ - sbp2util_free_command_dma(cmd); list_move_tail(&cmd->list, &lu->cmd_orb_completed); } -- cgit v1.2.3 From 48cfae44b4d6c7ca843d611a93ed2f94b59bcb38 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 11 Nov 2006 00:22:35 +0100 Subject: ieee1394: ohci1394: add PPC_PMAC platform code to driver probe Fixes http://bugzilla.kernel.org/show_bug.cgi?id=7431 iBook G3 threw a machine check exception and put the display backlight to full brightness after ohci1394 was unloaded and reloaded. Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index b8e922b65e2..453d0be694e 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3215,6 +3215,19 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, struct ti_ohci *ohci; /* shortcut to currently handled device */ resource_size_t ohci_base; +#ifdef CONFIG_PPC_PMAC + /* Necessary on some machines if ohci1394 was loaded/ unloaded before */ + if (machine_is(powermac)) { + struct device_node *of_node = pci_device_to_OF_node(dev); + + if (of_node) { + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, of_node, + 0, 1); + pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 1); + } + } +#endif /* CONFIG_PPC_PMAC */ + if (pci_enable_device(dev)) FAIL(-ENXIO, "Failed to enable OHCI hardware"); pci_set_master(dev); @@ -3503,10 +3516,8 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) #endif #ifdef CONFIG_PPC_PMAC - /* On UniNorth, power down the cable and turn off the chip - * clock when the module is removed to save power on - * laptops. Turning it back ON is done by the arch code when - * pci_enable_device() is called */ + /* On UniNorth, power down the cable and turn off the chip clock + * to save power on laptops */ { struct device_node* of_node; -- cgit v1.2.3 From 5370f1f5e94f1734f0706044bfb95007ea90fb23 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 11 Nov 2006 00:23:50 +0100 Subject: ieee1394: ohci1394: reformat PPC_PMAC platform code Adjust whitespace and line lengths Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 453d0be694e..3c9dc7d2441 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3218,12 +3218,11 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, #ifdef CONFIG_PPC_PMAC /* Necessary on some machines if ohci1394 was loaded/ unloaded before */ if (machine_is(powermac)) { - struct device_node *of_node = pci_device_to_OF_node(dev); + struct device_node *ofn = pci_device_to_OF_node(dev); - if (of_node) { - pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, of_node, - 0, 1); - pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 1); + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1); + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); } } #endif /* CONFIG_PPC_PMAC */ @@ -3519,12 +3518,11 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) /* On UniNorth, power down the cable and turn off the chip clock * to save power on laptops */ { - struct device_node* of_node; + struct device_node* ofn = pci_device_to_OF_node(ohci->dev); - of_node = pci_device_to_OF_node(ohci->dev); - if (of_node) { - pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); - pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, of_node, 0, 0); + if (ofn) { + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); + pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0); } } #endif /* CONFIG_PPC_PMAC */ @@ -3584,12 +3582,10 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) /* PowerMac suspend code comes last */ #ifdef CONFIG_PPC_PMAC if (machine_is(powermac)) { - struct device_node *of_node; + struct device_node *ofn = pci_device_to_OF_node(pdev); - /* Disable 1394 */ - of_node = pci_device_to_OF_node (pdev); - if (of_node) - pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); } #endif /* CONFIG_PPC_PMAC */ @@ -3611,12 +3607,10 @@ static int ohci1394_pci_resume(struct pci_dev *pdev) /* PowerMac resume code comes first */ #ifdef CONFIG_PPC_PMAC if (machine_is(powermac)) { - struct device_node *of_node; + struct device_node *ofn = pci_device_to_OF_node(pdev); - /* Re-enable 1394 */ - of_node = pci_device_to_OF_node (pdev); - if (of_node) - pmac_call_feature (PMAC_FTR_1394_ENABLE, of_node, 0, 1); + if (ofn) + pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); } #endif /* CONFIG_PPC_PMAC */ -- cgit v1.2.3 From 63cca59e89892497e95e1e9c7156d3345fb7e2e8 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 11 Nov 2006 00:26:24 +0100 Subject: ieee1394: ohci1394: call PMac code in shutdown only for proper machines There has been an if(...) missing, for ages. Signed-off-by: Stefan Richter --- drivers/ieee1394/ohci1394.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 3c9dc7d2441..628130a58af 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -3517,7 +3517,7 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) #ifdef CONFIG_PPC_PMAC /* On UniNorth, power down the cable and turn off the chip clock * to save power on laptops */ - { + if (machine_is(powermac)) { struct device_node* ofn = pci_device_to_OF_node(ohci->dev); if (ofn) { -- cgit v1.2.3 From 9868e0ec03fd4ac9cb3943e5dae0ad6a14faa5ff Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Mon, 20 Nov 2006 00:05:05 +0100 Subject: ieee1394: raw1394: defer feature removal of old isoch interface Known to be affected: - libdc1394: prefers video1394 for now, old-style raw1394 support might be dropped eventually - OpenH323 PWLib, AVC video input module: uses libraw1394's old API Signed-off-by: Stefan Richter --- drivers/ieee1394/raw1394.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers') diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index bf71e069eaf..4889383d309 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -99,6 +99,21 @@ static struct hpsb_address_ops arm_ops = { static void queue_complete_cb(struct pending_request *req); +#include +static void print_old_iso_deprecation(void) +{ + static pid_t p; + + if (p == current->pid) + return; + p = current->pid; + printk(KERN_WARNING "raw1394: WARNING - Program \"%s\" uses unsupported" + " isochronous request types which will be removed in a next" + " kernel release\n", current->comm); + printk(KERN_WARNING "raw1394: Update your software to use libraw1394's" + " newer interface\n"); +} + static struct pending_request *__alloc_pending_request(gfp_t flags) { struct pending_request *req; @@ -2292,6 +2307,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req) return sizeof(struct raw1394_request); case RAW1394_REQ_ISO_SEND: + print_old_iso_deprecation(); return handle_iso_send(fi, req, node); case RAW1394_REQ_ARM_REGISTER: @@ -2310,6 +2326,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req) return reset_notification(fi, req); case RAW1394_REQ_ISO_LISTEN: + print_old_iso_deprecation(); handle_iso_listen(fi, req); return sizeof(struct raw1394_request); -- cgit v1.2.3 From 861646f52217cf42a0e2e6558d85bd1172ca1611 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Mon, 20 Nov 2006 00:07:26 +0100 Subject: ieee1394: dv1394: schedule for feature removal Signed-off-by: Stefan Richter --- drivers/ieee1394/Kconfig | 13 ++++--------- drivers/ieee1394/dv1394.c | 4 ++++ 2 files changed, 8 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 672b92ef9f2..680da9e195d 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -161,17 +161,12 @@ config IEEE1394_ETH1394 MCAP, therefore multicast support is significantly limited. config IEEE1394_DV1394 - tristate "OHCI-DV I/O support" + tristate "OHCI-DV I/O support (deprecated)" depends on IEEE1394 && IEEE1394_OHCI1394 help - This driver allows you to transmit and receive DV (digital video) - streams on an OHCI-1394 card using a simple frame-oriented - interface. - - The user-space API for dv1394 is documented in dv1394.h. - - To compile this driver as a module, say M here: the - module will be called dv1394. + The dv1394 driver will be removed from Linux in a future release. + Its functionality is now provided by raw1394 together with libraries + such as libiec61883. config IEEE1394_RAWIO tristate "Raw IEEE1394 I/O support" diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index d0e11c176c3..3bd78efd185 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -2579,6 +2579,10 @@ static int __init dv1394_init_module(void) { int ret; + printk(KERN_WARNING + "WARNING: The dv1394 driver is unsupported and will be removed " + "from Linux soon. Use raw1394 instead.\n"); + cdev_init(&dv1394_cdev, &dv1394_fops); dv1394_cdev.owner = THIS_MODULE; kobject_set_name(&dv1394_cdev.kobj, "dv1394"); -- cgit v1.2.3 From e9429dfdc34402de3832ab7335f8ff0104f3ae84 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 19 Nov 2006 23:03:09 +0100 Subject: ieee1394: schedule unused symbol exports for removal This also means that former parts of ieee1394's API will be subject to change or removal. Signed-off-by: Stefan Richter --- drivers/ieee1394/Kconfig | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 680da9e195d..87325ddbda5 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -67,16 +67,11 @@ config IEEE1394_CONFIG_ROM_IP1394 eth1394 option below. config IEEE1394_EXPORT_FULL_API - bool "Export all symbols of ieee1394's API" + bool "Export all symbols of ieee1394's API (deprecated)" depends on IEEE1394 default n help - Export all symbols of ieee1394's driver programming interface, even - those that are not currently used by the standard IEEE 1394 drivers. - - This option does not affect the interface to userspace applications. - Say Y here if you want to compile externally developed drivers that - make extended use of ieee1394's API. It is otherwise safe to say N. + This option will be removed soon. Don't worry, say N. comment "Device Drivers" depends on IEEE1394 -- cgit v1.2.3 From 4e834da1da2d7e80547e493c4b21c809dcb0ae09 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sun, 19 Nov 2006 23:04:31 +0100 Subject: ieee1394: schedule *_oui sysfs attributes for removal There is no manpower available to reform oui.db into a library for use in more kernel subsystems. The low ratio of usefulness to size and the occasional need to update oui.db from IEEE's official list suggest to drop oui.db. I plan to make a userspace script available which translates the remaining numeric sysfs attributes to names of organizations. Signed-off-by: Stefan Richter --- drivers/ieee1394/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 87325ddbda5..21a13348f25 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -36,7 +36,7 @@ config IEEE1394_VERBOSEDEBUG else says N. config IEEE1394_OUI_DB - bool "OUI Database built-in" + bool "OUI Database built-in (deprecated)" depends on IEEE1394 help If you say Y here, then an OUI list (vendor unique ID's) will be -- cgit v1.2.3 From ff6a4cd2e18430f04e59382103c7b1f53ba114e0 Mon Sep 17 00:00:00 2001 From: Luca Tettamanti Date: Wed, 15 Nov 2006 19:14:15 +0100 Subject: sbp2: make 1bit bitfield unsigned A signed single-bit bitfield doesn't make much sense. Make it unsigned. Signed-off-by: Luca Tettamanti Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 38ca1195e8e..ef24d630a57 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -302,7 +302,7 @@ struct sbp2_lu { u64 status_fifo_addr; /* Waitqueue flag for logins, reconnects, logouts, query logins */ - int access_complete:1; + unsigned int access_complete:1; /* Pool of command ORBs for this logical unit */ spinlock_t cmd_orb_lock; -- cgit v1.2.3 From cec1a31196a6edb1397ffb8fbdc0410dd8946d78 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 18 Nov 2006 23:16:11 +0100 Subject: ieee1394: nodemgr: remove duplicate assignment Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 89a4bd4c842..d672b4db5b7 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -798,7 +798,7 @@ static void nodemgr_remove_uds(struct node_entry *ne) static void nodemgr_remove_ne(struct node_entry *ne) { - struct device *dev = &ne->device; + struct device *dev; dev = get_device(&ne->device); if (!dev) -- cgit v1.2.3 From 8252bbb1363b7fe963a3eb6f8a36da619a6f5a65 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Wed, 22 Nov 2006 21:09:42 +0100 Subject: ieee1394: nodemgr: fix deadlock in shutdown If "modprobe ohci1394" was quickly followed by "modprobe -r ohci1394", say with 1 second pause in between, the modprobe -r got stuck in uninterruptible sleep in kthread_stop. At the same time the knodemgrd slept uninterruptibly in bus_rescan_devices_helper. That's because driver_detach took the semaphore of the PCI device and bus_rescan_devices_helper wanted to take the semaphore of the FireWire host device's parent, which is the same semaphore. This was a regression since Linux 2.6.16, commit bf74ad5bc41727d5f2f1c6bedb2c1fac394de731, "Hold the device's parent's lock during probe and remove". The fix (or workaround) adds a dummy driver to the hpsb_host device. Now bus_rescan_devices_helper won't scan the host device anymore. This doesn't hurt since we have no drivers which will bind to these devices and it is unlikely that there will ever be such a driver. The dummy driver is befittingly presented as a representation of ieee1394 itself. Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=6706 Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index d672b4db5b7..d90ec6de818 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -260,9 +261,20 @@ static struct device nodemgr_dev_template_ne = { .release = nodemgr_release_ne, }; +/* This dummy driver prevents the host devices from being scanned. We have no + * useful drivers for them yet, and there would be a deadlock possible if the + * driver core scans the host device while the host's low-level driver (i.e. + * the host's parent device) is being removed. */ +static struct device_driver nodemgr_mid_layer_driver = { + .bus = &ieee1394_bus_type, + .name = "nodemgr", + .owner = THIS_MODULE, +}; + struct device nodemgr_dev_template_host = { .bus = &ieee1394_bus_type, .release = nodemgr_release_host, + .driver = &nodemgr_mid_layer_driver, }; @@ -705,11 +717,14 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) return 0; ud = container_of(dev, struct unit_directory, device); - driver = container_of(drv, struct hpsb_protocol_driver, driver); - if (ud->ne->in_limbo || ud->ignore_driver) return 0; + /* We only match drivers of type hpsb_protocol_driver */ + if (drv == &nodemgr_mid_layer_driver) + return 0; + + driver = container_of(drv, struct hpsb_protocol_driver, driver); for (id = driver->id_table; id->match_flags != 0; id++) { if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && id->vendor_id != ud->vendor_id) @@ -1900,7 +1915,7 @@ int init_ieee1394_nodemgr(void) class_unregister(&nodemgr_ne_class); return error; } - + error = driver_register(&nodemgr_mid_layer_driver); hpsb_register_highlevel(&nodemgr_highlevel); return 0; } -- cgit v1.2.3 From d41bba2d3adcddbdd7b5ed4d4abf07890cf6006f Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Wed, 22 Nov 2006 21:28:19 +0100 Subject: ieee1394: nodemgr: spaces to tabs whitespace pedantry Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 98 +++++++++++++++++++++++----------------------- 1 file changed, 49 insertions(+), 49 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index d90ec6de818..d2a543972c8 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -100,7 +100,7 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, } static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, - void *buffer, void *__ci) + void *buffer, void *__ci) { struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; int i, error; @@ -319,8 +319,8 @@ static ssize_t fw_drv_show_##field (struct device_driver *drv, char *buf) \ return sprintf(buf, format_string, (type)driver->field);\ } \ static struct driver_attribute driver_attr_drv_##field = { \ - .attr = {.name = __stringify(field), .mode = S_IRUGO }, \ - .show = fw_drv_show_##field, \ + .attr = {.name = __stringify(field), .mode = S_IRUGO }, \ + .show = fw_drv_show_##field, \ }; @@ -541,7 +541,7 @@ static ssize_t fw_show_drv_device_ids(struct device_driver *drv, char *buf) int length = 0; char *scratch = buf; - driver = container_of(drv, struct hpsb_protocol_driver, driver); + driver = container_of(drv, struct hpsb_protocol_driver, driver); for (id = driver->id_table; id->match_flags != 0; id++) { int need_coma = 0; @@ -708,8 +708,8 @@ fail: static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) { - struct hpsb_protocol_driver *driver; - struct unit_directory *ud; + struct hpsb_protocol_driver *driver; + struct unit_directory *ud; struct ieee1394_device_id *id; /* We only match unit directories */ @@ -725,25 +725,25 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) return 0; driver = container_of(drv, struct hpsb_protocol_driver, driver); - for (id = driver->id_table; id->match_flags != 0; id++) { - if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && - id->vendor_id != ud->vendor_id) - continue; + for (id = driver->id_table; id->match_flags != 0; id++) { + if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && + id->vendor_id != ud->vendor_id) + continue; - if ((id->match_flags & IEEE1394_MATCH_MODEL_ID) && - id->model_id != ud->model_id) - continue; + if ((id->match_flags & IEEE1394_MATCH_MODEL_ID) && + id->model_id != ud->model_id) + continue; - if ((id->match_flags & IEEE1394_MATCH_SPECIFIER_ID) && - id->specifier_id != ud->specifier_id) - continue; + if ((id->match_flags & IEEE1394_MATCH_SPECIFIER_ID) && + id->specifier_id != ud->specifier_id) + continue; - if ((id->match_flags & IEEE1394_MATCH_VERSION) && - id->version != ud->version) - continue; + if ((id->match_flags & IEEE1394_MATCH_VERSION) && + id->version != ud->version) + continue; return 1; - } + } return 0; } @@ -852,16 +852,16 @@ static void nodemgr_update_bus_options(struct node_entry *ne) #endif quadlet_t busoptions = be32_to_cpu(ne->csr->bus_info_data[2]); - ne->busopt.irmc = (busoptions >> 31) & 1; - ne->busopt.cmc = (busoptions >> 30) & 1; - ne->busopt.isc = (busoptions >> 29) & 1; - ne->busopt.bmc = (busoptions >> 28) & 1; - ne->busopt.pmc = (busoptions >> 27) & 1; - ne->busopt.cyc_clk_acc = (busoptions >> 16) & 0xff; - ne->busopt.max_rec = 1 << (((busoptions >> 12) & 0xf) + 1); + ne->busopt.irmc = (busoptions >> 31) & 1; + ne->busopt.cmc = (busoptions >> 30) & 1; + ne->busopt.isc = (busoptions >> 29) & 1; + ne->busopt.bmc = (busoptions >> 28) & 1; + ne->busopt.pmc = (busoptions >> 27) & 1; + ne->busopt.cyc_clk_acc = (busoptions >> 16) & 0xff; + ne->busopt.max_rec = 1 << (((busoptions >> 12) & 0xf) + 1); ne->busopt.max_rom = (busoptions >> 8) & 0x3; - ne->busopt.generation = (busoptions >> 4) & 0xf; - ne->busopt.lnkspd = busoptions & 0x7; + ne->busopt.generation = (busoptions >> 4) & 0xf; + ne->busopt.lnkspd = busoptions & 0x7; HPSB_VERBOSE("NodeMgr: raw=0x%08x irmc=%d cmc=%d isc=%d bmc=%d pmc=%d " "cyc_clk_acc=%d max_rec=%d max_rom=%d gen=%d lspd=%d", @@ -954,7 +954,7 @@ static struct node_entry *find_entry_by_guid(u64 guid) } up(&nodemgr_ne_class.sem); - return ret_ne; + return ret_ne; } @@ -1416,22 +1416,22 @@ static void nodemgr_node_scan_one(struct host_info *hi, static void nodemgr_node_scan(struct host_info *hi, int generation) { - int count; - struct hpsb_host *host = hi->host; - struct selfid *sid = (struct selfid *)host->topology_map; - nodeid_t nodeid = LOCAL_BUS; + int count; + struct hpsb_host *host = hi->host; + struct selfid *sid = (struct selfid *)host->topology_map; + nodeid_t nodeid = LOCAL_BUS; - /* Scan each node on the bus */ - for (count = host->selfid_count; count; count--, sid++) { - if (sid->extended) - continue; + /* Scan each node on the bus */ + for (count = host->selfid_count; count; count--, sid++) { + if (sid->extended) + continue; - if (!sid->link_active) { - nodeid++; - continue; - } - nodemgr_node_scan_one(hi, nodeid++, generation); - } + if (!sid->link_active) { + nodeid++; + continue; + } + nodemgr_node_scan_one(hi, nodeid++, generation); + } } @@ -1597,7 +1597,7 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) if (ne->needs_probe) nodemgr_probe_ne(hi, ne, generation); } - up(&nodemgr_ne_class.sem); + up(&nodemgr_ne_class.sem); /* If we had a bus reset while we were scanning the bus, it is @@ -1841,10 +1841,10 @@ int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)) void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *pkt) { - pkt->host = ne->host; - pkt->generation = ne->generation; + pkt->host = ne->host; + pkt->generation = ne->generation; barrier(); - pkt->node_id = ne->nodeid; + pkt->node_id = ne->nodeid; } int hpsb_node_write(struct node_entry *ne, u64 addr, @@ -1922,7 +1922,7 @@ int init_ieee1394_nodemgr(void) void cleanup_ieee1394_nodemgr(void) { - hpsb_unregister_highlevel(&nodemgr_highlevel); + hpsb_unregister_highlevel(&nodemgr_highlevel); class_unregister(&nodemgr_ud_class); class_unregister(&nodemgr_ne_class); -- cgit v1.2.3 From 9b7d9c096dd4e4baacc21b2588662bbb56f36c4e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Wed, 22 Nov 2006 21:44:34 +0100 Subject: ieee1394: sbp2: convert from PCI DMA to generic DMA API conversion without change in functionality Signed-off-by: Stefan Richter --- drivers/ieee1394/Kconfig | 2 +- drivers/ieee1394/sbp2.c | 126 ++++++++++++++++++++++------------------------- drivers/ieee1394/sbp2.h | 2 +- 3 files changed, 62 insertions(+), 68 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 21a13348f25..e7d56573fe5 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig @@ -120,7 +120,7 @@ comment "SBP-2 support (for storage devices) requires SCSI" config IEEE1394_SBP2 tristate "SBP-2 support (Harddisks etc.)" - depends on IEEE1394 && SCSI && (PCI || BROKEN) + depends on IEEE1394 && SCSI help This option enables you to use SBP-2 devices connected to an IEEE 1394 bus. SBP-2 devices include storage devices like harddisks and diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 5d3b96e0a95..ab7059858bb 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -48,7 +48,6 @@ * - make the parameter serialize_io configurable per device * - move all requests to fetch agent registers into non-atomic context, * replace all usages of sbp2util_node_write_no_wait by true transactions - * - convert to generic DMA mapping API to eliminate dependency on PCI * Grep for inline FIXME comments below. */ @@ -63,7 +62,6 @@ #include #include #include -#include #include #include #include @@ -491,14 +489,14 @@ static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); return -ENOMEM; } - cmd->command_orb_dma = pci_map_single(hi->host->pdev, + cmd->command_orb_dma = dma_map_single(&hi->host->device, &cmd->command_orb, sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - cmd->sge_dma = pci_map_single(hi->host->pdev, + DMA_TO_DEVICE); + cmd->sge_dma = dma_map_single(&hi->host->device, &cmd->scatter_gather_element, sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + DMA_BIDIRECTIONAL); INIT_LIST_HEAD(&cmd->list); list_add_tail(&cmd->list, &lu->cmd_orb_completed); } @@ -517,12 +515,12 @@ static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu) if (!list_empty(&lu->cmd_orb_completed)) list_for_each_safe(lh, next, &lu->cmd_orb_completed) { cmd = list_entry(lh, struct sbp2_command_info, list); - pci_unmap_single(host->pdev, cmd->command_orb_dma, + dma_unmap_single(&host->device, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_unmap_single(host->pdev, cmd->sge_dma, + DMA_TO_DEVICE); + dma_unmap_single(&host->device, cmd->sge_dma, sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + DMA_BIDIRECTIONAL); kfree(cmd); } spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); @@ -602,17 +600,17 @@ static void sbp2util_mark_command_completed(struct sbp2_lu *lu, if (cmd->cmd_dma) { if (cmd->dma_type == CMD_DMA_SINGLE) - pci_unmap_single(host->pdev, cmd->cmd_dma, + dma_unmap_single(&host->device, cmd->cmd_dma, cmd->dma_size, cmd->dma_dir); else if (cmd->dma_type == CMD_DMA_PAGE) - pci_unmap_page(host->pdev, cmd->cmd_dma, + dma_unmap_page(&host->device, cmd->cmd_dma, cmd->dma_size, cmd->dma_dir); /* XXX: Check for CMD_DMA_NONE bug */ cmd->dma_type = CMD_DMA_NONE; cmd->cmd_dma = 0; } if (cmd->sge_buffer) { - pci_unmap_sg(host->pdev, cmd->sge_buffer, + dma_unmap_sg(&host->device, cmd->sge_buffer, cmd->dma_size, cmd->dma_dir); cmd->sge_buffer = NULL; } @@ -837,39 +835,39 @@ static int sbp2_start_device(struct sbp2_lu *lu) struct sbp2_fwhost_info *hi = lu->hi; int error; - lu->login_response = pci_alloc_consistent(hi->host->pdev, + lu->login_response = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_login_response), - &lu->login_response_dma); + &lu->login_response_dma, GFP_KERNEL); if (!lu->login_response) goto alloc_fail; - lu->query_logins_orb = pci_alloc_consistent(hi->host->pdev, + lu->query_logins_orb = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_query_logins_orb), - &lu->query_logins_orb_dma); + &lu->query_logins_orb_dma, GFP_KERNEL); if (!lu->query_logins_orb) goto alloc_fail; - lu->query_logins_response = pci_alloc_consistent(hi->host->pdev, + lu->query_logins_response = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_query_logins_response), - &lu->query_logins_response_dma); + &lu->query_logins_response_dma, GFP_KERNEL); if (!lu->query_logins_response) goto alloc_fail; - lu->reconnect_orb = pci_alloc_consistent(hi->host->pdev, + lu->reconnect_orb = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_reconnect_orb), - &lu->reconnect_orb_dma); + &lu->reconnect_orb_dma, GFP_KERNEL); if (!lu->reconnect_orb) goto alloc_fail; - lu->logout_orb = pci_alloc_consistent(hi->host->pdev, + lu->logout_orb = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_logout_orb), - &lu->logout_orb_dma); + &lu->logout_orb_dma, GFP_KERNEL); if (!lu->logout_orb) goto alloc_fail; - lu->login_orb = pci_alloc_consistent(hi->host->pdev, + lu->login_orb = dma_alloc_coherent(&hi->host->device, sizeof(struct sbp2_login_orb), - &lu->login_orb_dma); + &lu->login_orb_dma, GFP_KERNEL); if (!lu->login_orb) goto alloc_fail; @@ -930,32 +928,32 @@ static void sbp2_remove_device(struct sbp2_lu *lu) list_del(&lu->lu_list); if (lu->login_response) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_login_response), lu->login_response, lu->login_response_dma); if (lu->login_orb) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_login_orb), lu->login_orb, lu->login_orb_dma); if (lu->reconnect_orb) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_reconnect_orb), lu->reconnect_orb, lu->reconnect_orb_dma); if (lu->logout_orb) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_logout_orb), lu->logout_orb, lu->logout_orb_dma); if (lu->query_logins_orb) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_query_logins_orb), lu->query_logins_orb, lu->query_logins_orb_dma); if (lu->query_logins_response) - pci_free_consistent(hi->host->pdev, + dma_free_coherent(&hi->host->device, sizeof(struct sbp2_query_logins_response), lu->query_logins_response, lu->query_logins_response_dma); @@ -1446,7 +1444,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, cmd->dma_size = sgpnt[0].length; cmd->dma_type = CMD_DMA_PAGE; - cmd->cmd_dma = pci_map_page(hi->host->pdev, + cmd->cmd_dma = dma_map_page(&hi->host->device, sgpnt[0].page, sgpnt[0].offset, cmd->dma_size, cmd->dma_dir); @@ -1458,7 +1456,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, &cmd->scatter_gather_element[0]; u32 sg_count, sg_len; dma_addr_t sg_addr; - int i, count = pci_map_sg(hi->host->pdev, sgpnt, scsi_use_sg, + int i, count = dma_map_sg(&hi->host->device, sgpnt, scsi_use_sg, dma_dir); cmd->dma_size = scsi_use_sg; @@ -1509,7 +1507,7 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, cmd->dma_dir = dma_dir; cmd->dma_size = scsi_request_bufflen; cmd->dma_type = CMD_DMA_SINGLE; - cmd->cmd_dma = pci_map_single(hi->host->pdev, scsi_request_buffer, + cmd->cmd_dma = dma_map_single(&hi->host->device, scsi_request_buffer, cmd->dma_size, cmd->dma_dir); orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); @@ -1627,12 +1625,12 @@ static void sbp2_link_orb_command(struct sbp2_lu *lu, size_t length; unsigned long flags; - pci_dma_sync_single_for_device(hi->host->pdev, cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_device(hi->host->pdev, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + dma_sync_single_for_device(&hi->host->device, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); + dma_sync_single_for_device(&hi->host->device, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_BIDIRECTIONAL); /* check to see if there are any previous orbs to use */ spin_lock_irqsave(&lu->cmd_orb_lock, flags); @@ -1656,16 +1654,16 @@ static void sbp2_link_orb_command(struct sbp2_lu *lu, * The target's fetch agent may or may not have read this * previous ORB yet. */ - pci_dma_sync_single_for_cpu(hi->host->pdev, last_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); + dma_sync_single_for_cpu(&hi->host->device, last_orb_dma, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); last_orb->next_ORB_lo = cpu_to_be32(cmd->command_orb_dma); wmb(); /* Tells hardware that this pointer is valid */ last_orb->next_ORB_hi = 0; - pci_dma_sync_single_for_device(hi->host->pdev, last_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); + dma_sync_single_for_device(&hi->host->device, last_orb_dma, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); addr += SBP2_DOORBELL_OFFSET; data[0] = 0; length = 4; @@ -1792,14 +1790,12 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, else cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo); if (cmd) { - pci_dma_sync_single_for_cpu(hi->host->pdev, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_cpu(hi->host->pdev, - cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + dma_sync_single_for_cpu(&hi->host->device, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); + dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_BIDIRECTIONAL); /* Grab SCSI command pointers and check status. */ /* * FIXME: If the src field in the status is 1, the ORB DMA must @@ -1935,13 +1931,12 @@ static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) while (!list_empty(&lu->cmd_orb_inuse)) { lh = lu->cmd_orb_inuse.next; cmd = list_entry(lh, struct sbp2_command_info, list); - pci_dma_sync_single_for_cpu(hi->host->pdev, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_cpu(hi->host->pdev, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + dma_sync_single_for_cpu(&hi->host->device, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); + dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_BIDIRECTIONAL); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = status << 16; @@ -2064,14 +2059,13 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) spin_lock_irqsave(&lu->cmd_orb_lock, flags); cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt); if (cmd) { - pci_dma_sync_single_for_cpu(hi->host->pdev, + dma_sync_single_for_cpu(&hi->host->device, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), - PCI_DMA_TODEVICE); - pci_dma_sync_single_for_cpu(hi->host->pdev, - cmd->sge_dma, + DMA_TO_DEVICE); + dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, sizeof(cmd->scatter_gather_element), - PCI_DMA_BIDIRECTIONAL); + DMA_BIDIRECTIONAL); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = DID_ABORT << 16; diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index ef24d630a57..9ae842329bf 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -263,7 +263,7 @@ struct sbp2_command_info { dma_addr_t cmd_dma; enum sbp2_dma_types dma_type; unsigned long dma_size; - int dma_dir; + enum dma_data_direction dma_dir; }; /* Per FireWire host */ -- cgit v1.2.3 From ed30c26ee809b060f437fd9f1b3453e1d0375e32 Mon Sep 17 00:00:00 2001 From: Ben Collins Date: Thu, 23 Nov 2006 13:59:48 -0500 Subject: ieee1394: Consolidate driver registering This patch consolidates some bookkeeping for driver registering. It closely models what pci_register_driver() does. The main addition is that the owner of the driver is set, so we get a proper symlink for /sys/bus/ieee1394/driver/*/module. Also moves setting of name and bus type into nodemgr. Because of this, we can remove the EXPORT_SYMBOL for ieee1394_bus_type, since it's now only used in ieee1394.ko. Signed-off-by: Stefan Richter --- drivers/ieee1394/dv1394.c | 6 +----- drivers/ieee1394/eth1394.c | 4 +--- drivers/ieee1394/ieee1394_core.c | 3 +-- drivers/ieee1394/nodemgr.c | 13 ++++++++++--- drivers/ieee1394/nodemgr.h | 7 ++++++- drivers/ieee1394/raw1394.c | 6 +----- drivers/ieee1394/sbp2.c | 4 +--- drivers/ieee1394/video1394.c | 6 +----- 8 files changed, 22 insertions(+), 27 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 3bd78efd185..1084da4d88a 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -2180,12 +2180,8 @@ static struct ieee1394_device_id dv1394_id_table[] = { MODULE_DEVICE_TABLE(ieee1394, dv1394_id_table); static struct hpsb_protocol_driver dv1394_driver = { - .name = "DV/1394 Driver", + .name = "dv1394", .id_table = dv1394_id_table, - .driver = { - .name = "dv1394", - .bus = &ieee1394_bus_type, - }, }; diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 27d6c642415..97e5c3dd044 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -474,12 +474,10 @@ static struct ieee1394_device_id eth1394_id_table[] = { MODULE_DEVICE_TABLE(ieee1394, eth1394_id_table); static struct hpsb_protocol_driver eth1394_proto_driver = { - .name = "IPv4 over 1394 Driver", + .name = ETH1394_DRIVER_NAME, .id_table = eth1394_id_table, .update = eth1394_update, .driver = { - .name = ETH1394_DRIVER_NAME, - .bus = &ieee1394_bus_type, .probe = eth1394_probe, .remove = eth1394_remove, }, diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index 5fccf9f7a1d..7778ab3e8ea 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -1237,9 +1237,8 @@ EXPORT_SYMBOL(highlevel_remove_host); /** nodemgr.c **/ EXPORT_SYMBOL(hpsb_node_fill_packet); EXPORT_SYMBOL(hpsb_node_write); -EXPORT_SYMBOL(hpsb_register_protocol); +EXPORT_SYMBOL(__hpsb_register_protocol); EXPORT_SYMBOL(hpsb_unregister_protocol); -EXPORT_SYMBOL(ieee1394_bus_type); #ifdef CONFIG_IEEE1394_EXPORT_FULL_API EXPORT_SYMBOL(nodemgr_for_each_host); #endif diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index d2a543972c8..2953aebf4ef 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -1282,12 +1282,19 @@ static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp, #endif /* CONFIG_HOTPLUG */ -int hpsb_register_protocol(struct hpsb_protocol_driver *driver) +int __hpsb_register_protocol(struct hpsb_protocol_driver *drv, + struct module *owner) { + int error; + + drv->driver.bus = &ieee1394_bus_type; + drv->driver.owner = owner; + drv->driver.name = drv->name; + /* This will cause a probe for devices */ - int error = driver_register(&driver->driver); + error = driver_register(&drv->driver); if (!error) - nodemgr_create_drv_files(driver); + nodemgr_create_drv_files(drv); return error; } diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h index 0e1e7d93078..e25cbadb8be 100644 --- a/drivers/ieee1394/nodemgr.h +++ b/drivers/ieee1394/nodemgr.h @@ -144,7 +144,12 @@ struct hpsb_protocol_driver { struct device_driver driver; }; -int hpsb_register_protocol(struct hpsb_protocol_driver *driver); +int __hpsb_register_protocol(struct hpsb_protocol_driver *, struct module *); +static inline int hpsb_register_protocol(struct hpsb_protocol_driver *driver) +{ + return __hpsb_register_protocol(driver, THIS_MODULE); +} + void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver); static inline int hpsb_node_entry_valid(struct node_entry *ne) diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 4889383d309..ad2108f27a0 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -2987,12 +2987,8 @@ static struct ieee1394_device_id raw1394_id_table[] = { MODULE_DEVICE_TABLE(ieee1394, raw1394_id_table); static struct hpsb_protocol_driver raw1394_driver = { - .name = "raw1394 Driver", + .name = "raw1394", .id_table = raw1394_id_table, - .driver = { - .name = "raw1394", - .bus = &ieee1394_bus_type, - }, }; /******************************************************************************/ diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index ab7059858bb..ffcd9e41454 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -259,12 +259,10 @@ static int sbp2_remove(struct device *); static int sbp2_update(struct unit_directory *); static struct hpsb_protocol_driver sbp2_driver = { - .name = "SBP2 Driver", + .name = SBP2_DEVICE_NAME, .id_table = sbp2_id_table, .update = sbp2_update, .driver = { - .name = SBP2_DEVICE_NAME, - .bus = &ieee1394_bus_type, .probe = sbp2_probe, .remove = sbp2_remove, }, diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 77f58bc8313..598b19fc598 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -1308,12 +1308,8 @@ static struct ieee1394_device_id video1394_id_table[] = { MODULE_DEVICE_TABLE(ieee1394, video1394_id_table); static struct hpsb_protocol_driver video1394_driver = { - .name = "1394 Digital Camera Driver", + .name = VIDEO1394_DRIVER_NAME, .id_table = video1394_id_table, - .driver = { - .name = VIDEO1394_DRIVER_NAME, - .bus = &ieee1394_bus_type, - }, }; -- cgit v1.2.3 From 3015c7397876f5c5de0e178e2dfe22859b5d8754 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 24 Nov 2006 20:19:09 +0100 Subject: ieee1394: conditionally export ieee1394_bus_type Follow-up to patch "Consolidate driver registering": Since I plan the lifetime of Linux 2.6.20 to be the deprecation phase of CONFIG_IEEE1394_EXPORT_FULL_API, it seems fair to keep all previously exported symbols available with this option until this phase is over. Signed-off-by: Stefan Richter --- drivers/ieee1394/ieee1394_core.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index 7778ab3e8ea..9a48ca20d1f 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -1240,6 +1240,7 @@ EXPORT_SYMBOL(hpsb_node_write); EXPORT_SYMBOL(__hpsb_register_protocol); EXPORT_SYMBOL(hpsb_unregister_protocol); #ifdef CONFIG_IEEE1394_EXPORT_FULL_API +EXPORT_SYMBOL(ieee1394_bus_type); EXPORT_SYMBOL(nodemgr_for_each_host); #endif -- cgit v1.2.3 From 1e4f7bc8f8ce07b850a5831d01a6eae83055bb42 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 2 Dec 2006 22:23:34 +0100 Subject: ieee1394: nodemgr: remove a kcalloc Was I sleepwalking when I wrote this? Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 66 ++++++++++++++-------------------------------- 1 file changed, 20 insertions(+), 46 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 2953aebf4ef..61307ca296a 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -754,59 +754,33 @@ static DEFINE_MUTEX(nodemgr_serialize_remove_uds); static void nodemgr_remove_uds(struct node_entry *ne) { struct class_device *cdev; - struct unit_directory *ud, **unreg; - size_t i, count; + struct unit_directory *tmp, *ud; - /* - * This is awkward: - * Iteration over nodemgr_ud_class.children has to be protected by + /* Iteration over nodemgr_ud_class.children has to be protected by * nodemgr_ud_class.sem, but class_device_unregister() will eventually - * take nodemgr_ud_class.sem too. Therefore store all uds to be - * unregistered in a temporary array, release the semaphore, and then - * unregister the uds. - * - * Since nodemgr_remove_uds can also run in other contexts than the - * knodemgrds (which are currently globally serialized), protect the + * take nodemgr_ud_class.sem too. Therefore pick out one ud at a time, + * release the semaphore, and then unregister the ud. Since this code + * may be called from other contexts besides the knodemgrds, protect the * gap after release of the semaphore by nodemgr_serialize_remove_uds. */ - mutex_lock(&nodemgr_serialize_remove_uds); - - down(&nodemgr_ud_class.sem); - count = 0; - list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { - ud = container_of(cdev, struct unit_directory, class_dev); - if (ud->ne == ne) - count++; - } - if (!count) { - up(&nodemgr_ud_class.sem); - mutex_unlock(&nodemgr_serialize_remove_uds); - return; - } - unreg = kcalloc(count, sizeof(*unreg), GFP_KERNEL); - if (!unreg) { - HPSB_ERR("NodeMgr: out of memory in nodemgr_remove_uds"); - up(&nodemgr_ud_class.sem); - mutex_unlock(&nodemgr_serialize_remove_uds); - return; - } - i = 0; - list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { - ud = container_of(cdev, struct unit_directory, class_dev); - if (ud->ne == ne) { - BUG_ON(i >= count); - unreg[i++] = ud; + for (;;) { + ud = NULL; + down(&nodemgr_ud_class.sem); + list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { + tmp = container_of(cdev, struct unit_directory, + class_dev); + if (tmp->ne == ne) { + ud = tmp; + break; + } } + up(&nodemgr_ud_class.sem); + if (ud == NULL) + break; + class_device_unregister(&ud->class_dev); + device_unregister(&ud->device); } - up(&nodemgr_ud_class.sem); - - for (i = 0; i < count; i++) { - class_device_unregister(&unreg[i]->class_dev); - device_unregister(&unreg[i]->device); - } - kfree(unreg); - mutex_unlock(&nodemgr_serialize_remove_uds); } -- cgit v1.2.3 From ec9b7e1044d718723d16390179abc6d4c8d9b0a1 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 7 Dec 2006 23:23:25 +0100 Subject: ieee1394: sbp2: code formatting around work_struct stuff Merge is finished, can bring the code in readable style again. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index ffcd9e41454..e68b80b7340 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -458,17 +458,20 @@ static void sbp2util_notify_fetch_agent(struct sbp2_lu *lu, u64 offset, static void sbp2util_write_orb_pointer(struct work_struct *work) { + struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work); quadlet_t data[2]; - data[0] = ORB_SET_NODE_ID((container_of(work, struct sbp2_lu, protocol_work))->hi->host->node_id); - data[1] = (container_of(work, struct sbp2_lu, protocol_work))->last_orb_dma; + data[0] = ORB_SET_NODE_ID(lu->hi->host->node_id); + data[1] = lu->last_orb_dma; sbp2util_cpu_to_be32_buffer(data, 8); - sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_ORB_POINTER_OFFSET, data, 8); + sbp2util_notify_fetch_agent(lu, SBP2_ORB_POINTER_OFFSET, data, 8); } static void sbp2util_write_doorbell(struct work_struct *work) { - sbp2util_notify_fetch_agent(container_of(work, struct sbp2_lu, protocol_work), SBP2_DOORBELL_OFFSET, NULL, 4); + struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work); + + sbp2util_notify_fetch_agent(lu, SBP2_DOORBELL_OFFSET, NULL, 4); } static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) @@ -1399,7 +1402,7 @@ static int sbp2_agent_reset(struct sbp2_lu *lu, int wait) int retval; unsigned long flags; - /* cancel_delayed_work(&lu->protocol_work); */ + /* flush lu->protocol_work */ if (wait) flush_scheduled_work(); @@ -1682,8 +1685,7 @@ static void sbp2_link_orb_command(struct sbp2_lu *lu, scsi_block_requests(lu->shost); PREPARE_WORK(&lu->protocol_work, last_orb ? sbp2util_write_doorbell: - sbp2util_write_orb_pointer - /* */); + sbp2util_write_orb_pointer); schedule_work(&lu->protocol_work); } } -- cgit v1.2.3 From 1769b46a3ed9ce68c835f84493be46e606e58ef1 Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 7 Dec 2006 17:56:06 -0500 Subject: PCI MSI: always toggle legacy-INTx-enable bit upon MSI entry/exit The current code (prior to this change) would disable the PCI INTx legacy interrupt when enabling MSI... but only on PCI Express. We should do this for all MSI devices, for safety's sake. Signed-off-by: Jeff Garzik --- drivers/pci/msi.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 9fc9a34ef24..c2828a37c2f 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -255,10 +255,8 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type) pci_write_config_word(dev, msi_control_reg(pos), control); dev->msix_enabled = 1; } - if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { - /* PCI Express Endpoint device detected */ - pci_intx(dev, 0); /* disable intx */ - } + + pci_intx(dev, 0); /* disable intx */ } void disable_msi_mode(struct pci_dev *dev, int pos, int type) @@ -276,10 +274,8 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type) pci_write_config_word(dev, msi_control_reg(pos), control); dev->msix_enabled = 0; } - if (pci_find_capability(dev, PCI_CAP_ID_EXP)) { - /* PCI Express Endpoint device detected */ - pci_intx(dev, 1); /* enable intx */ - } + + pci_intx(dev, 1); /* enable intx */ } static int msi_lookup_irq(struct pci_dev *dev, int type) -- cgit v1.2.3 From bb06ec3cc53bc1e4405561cf12756c51e8eecd6e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 8 Dec 2006 01:36:32 -0500 Subject: Input: i8042 - add another Lifebook P7010 to nomux blacklist We already had entry for Fujitsu Lifebook P7010 in the nomux blacklist but for some reason Fujitsu decided to fiddle with DMI data... Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042-x86ia64io.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 8738edda661..d36bd5475b6 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -110,6 +110,13 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P7010"), }, }, + { + .ident = "Fujitsu Lifebook P7010", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"), + }, + }, { .ident = "Fujitsu Lifebook P5020D", .matches = { -- cgit v1.2.3 From f90c34b8c6630beedbf293fcfcc3cbe327383b3a Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 8 Dec 2006 01:36:44 -0500 Subject: Input: kill maple_keyb.c driver The bus for this was removed entirely some time ago, as well as most of the drivers that referenced it. maple_keyb seems to have been the odd one out, and was still sitting in the source tree (though not actually part of the build system). Kill off the rest of it.. Signed-off-by: Paul Mundt Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/maple_keyb.c | 166 ------------------------------------ 1 file changed, 166 deletions(-) delete mode 100644 drivers/input/keyboard/maple_keyb.c (limited to 'drivers') diff --git a/drivers/input/keyboard/maple_keyb.c b/drivers/input/keyboard/maple_keyb.c deleted file mode 100644 index 99836b3af47..00000000000 --- a/drivers/input/keyboard/maple_keyb.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * $Id: maple_keyb.c,v 1.4 2004/03/22 01:18:15 lethal Exp $ - * SEGA Dreamcast keyboard driver - * Based on drivers/usb/usbkbd.c - */ - -#include -#include -#include -#include -#include -#include -#include - -MODULE_AUTHOR("YAEGASHI Takeshi "); -MODULE_DESCRIPTION("SEGA Dreamcast keyboard driver"); -MODULE_LICENSE("GPL"); - -static unsigned char dc_kbd_keycode[256] = { - 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, - 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, - 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, - 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, - 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, - 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, - 115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0, - 122,123, 90, 91, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, - 150,158,159,128,136,177,178,176,142,152,173,140 -}; - - -struct dc_kbd { - struct input_dev *dev; - unsigned char new[8]; - unsigned char old[8]; -}; - - -static void dc_scan_kbd(struct dc_kbd *kbd) -{ - int i; - struct input_dev *dev = kbd->dev; - - for (i = 0; i < 8; i++) - input_report_key(dev, dc_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1); - - for (i = 2; i < 8; i++) { - - if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == NULL) { - if (dc_kbd_keycode[kbd->old[i]]) - input_report_key(dev, dc_kbd_keycode[kbd->old[i]], 0); - else - printk("Unknown key (scancode %#x) released.", - kbd->old[i]); - } - - if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) != NULL) { - if(dc_kbd_keycode[kbd->new[i]]) - input_report_key(dev, dc_kbd_keycode[kbd->new[i]], 1); - else - printk("Unknown key (scancode %#x) pressed.", - kbd->new[i]); - } - } - - input_sync(dev); - - memcpy(kbd->old, kbd->new, 8); -} - - -static void dc_kbd_callback(struct mapleq *mq) -{ - struct maple_device *mapledev = mq->dev; - struct dc_kbd *kbd = mapledev->private_data; - unsigned long *buf = mq->recvbuf; - - if (buf[1] == mapledev->function) { - memcpy(kbd->new, buf + 2, 8); - dc_scan_kbd(kbd); - } -} - -static int dc_kbd_connect(struct maple_device *dev) -{ - struct dc_kbd *kbd; - struct input_dev *input_dev; - unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]); - int i; - int err; - - dev->private_data = kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!kbd || !input_dev) { - err = -ENOMEM; - goto fail; - } - - kbd->dev = input_dev; - - input_dev->name = dev->product_name; - input_dev->id.bustype = BUS_MAPLE; - input_dev->private = kbd; - input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); - for (i = 0; i < 255; i++) - set_bit(dc_kbd_keycode[i], input_dev->keybit); - clear_bit(0, input_dev->keybit); - - err = input_register_device(kbd->dev); - if (err) - goto fail; - - maple_getcond_callback(dev, dc_kbd_callback, 1, MAPLE_FUNC_KEYBOARD); - return 0; - - fail: input_free_device(input_dev); - kfree(kbd); - return err; -} - - -static void dc_kbd_disconnect(struct maple_device *dev) -{ - struct dc_kbd *kbd = dev->private_data; - - input_unregister_device(kbd->dev); - kfree(kbd); -} - - -static struct maple_driver dc_kbd_driver = { - .function = MAPLE_FUNC_KEYBOARD, - .name = "Dreamcast keyboard", - .connect = dc_kbd_connect, - .disconnect = dc_kbd_disconnect, -}; - - -static int __init dc_kbd_init(void) -{ - maple_register_driver(&dc_kbd_driver); - return 0; -} - - -static void __exit dc_kbd_exit(void) -{ - maple_unregister_driver(&dc_kbd_driver); -} - - -module_init(dc_kbd_init); -module_exit(dc_kbd_exit); - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ -- cgit v1.2.3 From bff19b1d0b2c62882ca4b8f900b52f410c09e967 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 8 Dec 2006 01:37:03 -0500 Subject: Input: ucb1400 - fix compile error try_to_freeze() was moved into include/linux/freezer.h Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ucb1400_ts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index 6ef08369f65..4358a0a78ea 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include #include @@ -26,6 +25,7 @@ #include #include #include +#include #include #include -- cgit v1.2.3 From d91df1aaa9e4c06f8ea10d4935888c4f1976ef56 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Allow for write semantics in any command. Check for transaction attributes, not command index to decide on event to expect. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index e6d4b084dca..348a19e19b6 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -253,7 +253,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, acpi_ec_write_data(ec, *(wdata++)); } - if (command == ACPI_EC_COMMAND_WRITE) { + if (!rdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (result) return result; -- cgit v1.2.3 From 5d57a6a55ec0bdcb952dbcd3f8ffcde8a3ee9413 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Enable EC GPE at beginning of transaction Temporary measure until resume sequence is right. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 348a19e19b6..3ffe172d1a8 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -290,6 +290,9 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, } down(&ec->sem); + /* Make sure GPE is enabled before doing transaction */ + acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (status) { printk(KERN_DEBUG PREFIX "read EC, IB not empty\n"); -- cgit v1.2.3 From 5c4064124a5720a2576eb4bd5b7200d70052e9b5 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Increase timeout from 50 to 500 ms to handle old slow machines. http://bugzilla.kernel.org/show_bug.cgi?id=7466 Signed-off-by: Len Brown --- drivers/acpi/ec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 3ffe172d1a8..46a132d613b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -65,10 +65,10 @@ enum { ACPI_EC_EVENT_IBF_0, /* Input buffer empty */ }; -#define ACPI_EC_DELAY 50 /* Wait 50ms max. during EC ops */ +#define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_UDELAY 100 /* Poll @ 100us increments */ -#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 10ms max. during EC ops */ +#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 100ms max. during EC ops */ enum { EC_INTR = 1, /* Output buffer full */ -- cgit v1.2.3 From bec5a1e0604d1b829b87b4b7e85f71ccc43dda50 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Read status register from check_status() function Signed-off-by: Len Brown --- drivers/acpi/ec.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 46a132d613b..94b983b9cfb 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -134,8 +134,9 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } -static int acpi_ec_check_status(u8 status, u8 event) +static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) { + u8 status = acpi_ec_read_status(ec); switch (event) { case ACPI_EC_EVENT_OBF_1: if (status & ACPI_EC_FLAG_OBF) @@ -158,7 +159,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, u8 event) long time_left; ec->expect_event = event; - if (acpi_ec_check_status(acpi_ec_read_status(ec), event)) { + if (acpi_ec_check_status(ec, event)) { ec->expect_event = 0; return 0; } @@ -175,7 +176,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, u8 event) return 0; } } - if (acpi_ec_check_status(acpi_ec_read_status(ec), event)) { + if (acpi_ec_check_status(ec, event)) { ec->expect_event = 0; return 0; } @@ -457,15 +458,15 @@ static u32 acpi_ec_gpe_handler(void *data) struct acpi_ec *ec = (struct acpi_ec *)data; acpi_clear_gpe(NULL, ec->gpe_bit, ACPI_ISR); - value = acpi_ec_read_status(ec); if (acpi_ec_mode == EC_INTR) { - if (acpi_ec_check_status(value, ec->expect_event)) { + if (acpi_ec_check_status(ec, ec->expect_event)) { ec->expect_event = 0; wake_up(&ec->wait); } } + value = acpi_ec_read_status(ec); if (value & ACPI_EC_FLAG_SCI) { status = acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); return status == AE_OK ? -- cgit v1.2.3 From af3fd1404fd4f0f58ebbb52b22be4f1ca0794cda Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Remove expect_event and all races around it. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 84 +++++++++++++++++++++++++------------------------------ 1 file changed, 38 insertions(+), 46 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 94b983b9cfb..1514e71b723 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -46,6 +46,9 @@ ACPI_MODULE_NAME("acpi_ec") #define ACPI_EC_DEVICE_NAME "Embedded Controller" #define ACPI_EC_FILE_INFO "info" +#undef PREFIX +#define PREFIX "ACPI: EC: " + /* EC status register */ #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ #define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */ @@ -101,7 +104,6 @@ struct acpi_ec { unsigned long data_addr; unsigned long global_lock; struct semaphore sem; - unsigned int expect_event; atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort */ wait_queue_head_t wait; } *ec_ecdt; @@ -155,34 +157,25 @@ static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) static int acpi_ec_wait(struct acpi_ec *ec, u8 event) { - int i = (acpi_ec_mode == EC_POLL) ? ACPI_EC_UDELAY_COUNT : 0; - long time_left; - - ec->expect_event = event; - if (acpi_ec_check_status(ec, event)) { - ec->expect_event = 0; - return 0; - } - - do { - if (acpi_ec_mode == EC_POLL) { - udelay(ACPI_EC_UDELAY); - } else { - time_left = wait_event_timeout(ec->wait, - !ec->expect_event, - msecs_to_jiffies(ACPI_EC_DELAY)); - if (time_left > 0) { - ec->expect_event = 0; + if (acpi_ec_mode == EC_POLL) { + int i; + for (i = 0; i < ACPI_EC_UDELAY_COUNT; ++i) { + if (acpi_ec_check_status(ec, event)) return 0; - } + udelay(ACPI_EC_UDELAY); } - if (acpi_ec_check_status(ec, event)) { - ec->expect_event = 0; + } else { + if (wait_event_timeout(ec->wait, + acpi_ec_check_status(ec, event), + msecs_to_jiffies(ACPI_EC_DELAY)) || + acpi_ec_check_status(ec, event)) { return 0; + } else { + printk(KERN_ERR PREFIX "acpi_ec_wait timeout," + " status = %d, expect_event = %d\n", + acpi_ec_read_status(ec), event); } - } while (--i > 0); - - ec->expect_event = 0; + } return -ETIME; } @@ -243,32 +236,41 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, const u8 *wdata, unsigned wdata_len, u8 *rdata, unsigned rdata_len) { - int result; + int result = 0; acpi_ec_write_cmd(ec, command); for (; wdata_len > 0; wdata_len --) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); - if (result) - return result; + if (result) { + printk(KERN_ERR PREFIX "write_cmd timeout, command = %d\n", + command); + goto end; + } acpi_ec_write_data(ec, *(wdata++)); } if (!rdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); - if (result) - return result; + if (result) { + printk(KERN_ERR PREFIX "finish-write timeout, command = %d\n", + command); + goto end; + } } for (; rdata_len > 0; rdata_len --) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1); - if (result) - return result; + if (result) { + printk(KERN_ERR PREFIX "read timeout, command = %d\n", + command); + goto end; + } *(rdata++) = acpi_ec_read_data(ec); } - - return 0; + end: + return result; } static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, @@ -419,11 +421,6 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) Event Management -------------------------------------------------------------------------- */ -struct acpi_ec_query_data { - acpi_handle handle; - u8 data; -}; - static void acpi_ec_gpe_query(void *ec_cxt) { struct acpi_ec *ec = (struct acpi_ec *)ec_cxt; @@ -443,7 +440,7 @@ static void acpi_ec_gpe_query(void *ec_cxt) snprintf(object_name, 8, "_Q%2.2X", value); - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s", object_name)); + printk(KERN_INFO PREFIX "evaluating %s\n", object_name); acpi_evaluate_object(ec->handle, object_name, NULL, NULL); @@ -460,17 +457,12 @@ static u32 acpi_ec_gpe_handler(void *data) acpi_clear_gpe(NULL, ec->gpe_bit, ACPI_ISR); if (acpi_ec_mode == EC_INTR) { - if (acpi_ec_check_status(ec, ec->expect_event)) { - ec->expect_event = 0; - wake_up(&ec->wait); - } + wake_up(&ec->wait); } value = acpi_ec_read_status(ec); if (value & ACPI_EC_FLAG_SCI) { status = acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); - return status == AE_OK ? - ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; } acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_ISR); return status == AE_OK ? -- cgit v1.2.3 From e41334c0a6ef71458f255db25f011d15099e7cca Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Remove calls to clear_gpe() and enable_gpe(), as these are handled at dispatch_gpe() level. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 1514e71b723..acfe8830da1 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -428,24 +428,21 @@ static void acpi_ec_gpe_query(void *ec_cxt) static char object_name[8]; if (!ec) - goto end; + return; value = acpi_ec_read_status(ec); if (!(value & ACPI_EC_FLAG_SCI)) - goto end; + return; if (acpi_ec_query(ec, &value)) - goto end; + return; snprintf(object_name, 8, "_Q%2.2X", value); printk(KERN_INFO PREFIX "evaluating %s\n", object_name); acpi_evaluate_object(ec->handle, object_name, NULL, NULL); - - end: - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); } static u32 acpi_ec_gpe_handler(void *data) @@ -454,7 +451,6 @@ static u32 acpi_ec_gpe_handler(void *data) u8 value; struct acpi_ec *ec = (struct acpi_ec *)data; - acpi_clear_gpe(NULL, ec->gpe_bit, ACPI_ISR); if (acpi_ec_mode == EC_INTR) { wake_up(&ec->wait); @@ -464,7 +460,7 @@ static u32 acpi_ec_gpe_handler(void *data) if (value & ACPI_EC_FLAG_SCI) { status = acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); } - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_ISR); + return status == AE_OK ? ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; } -- cgit v1.2.3 From 5d0c288b7362ad7ee235b59352ac2a89480e4757 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Query only single query at a time. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index acfe8830da1..a85f795ab4e 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -104,6 +104,7 @@ struct acpi_ec { unsigned long data_addr; unsigned long global_lock; struct semaphore sem; + atomic_t query_pending; atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort */ wait_queue_head_t wait; } *ec_ecdt; @@ -257,6 +258,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, command); goto end; } + } else if (command == ACPI_EC_COMMAND_QUERY) { + atomic_set(&ec->query_pending, 0); } for (; rdata_len > 0; rdata_len --) { @@ -425,17 +428,9 @@ static void acpi_ec_gpe_query(void *ec_cxt) { struct acpi_ec *ec = (struct acpi_ec *)ec_cxt; u8 value = 0; - static char object_name[8]; + char object_name[8]; - if (!ec) - return; - - value = acpi_ec_read_status(ec); - - if (!(value & ACPI_EC_FLAG_SCI)) - return; - - if (acpi_ec_query(ec, &value)) + if (!ec || acpi_ec_query(ec, &value)) return; snprintf(object_name, 8, "_Q%2.2X", value); @@ -457,7 +452,8 @@ static u32 acpi_ec_gpe_handler(void *data) } value = acpi_ec_read_status(ec); - if (value & ACPI_EC_FLAG_SCI) { + if ((value & ACPI_EC_FLAG_SCI) && !atomic_read(&ec->query_pending)) { + atomic_set(&ec->query_pending, 1); status = acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); } @@ -652,6 +648,7 @@ static int acpi_ec_add(struct acpi_device *device) ec->handle = device->handle; ec->uid = -1; init_MUTEX(&ec->sem); + atomic_set(&ec->query_pending, 0); if (acpi_ec_mode == EC_INTR) { atomic_set(&ec->leaving_burst, 1); init_waitqueue_head(&ec->wait); -- cgit v1.2.3 From c787a8551e7fee85366962881e7a4f2fda656dfc Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Change semaphore to mutex. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index a85f795ab4e..034a9637235 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -103,7 +103,7 @@ struct acpi_ec { unsigned long command_addr; unsigned long data_addr; unsigned long global_lock; - struct semaphore sem; + struct mutex lock; atomic_t query_pending; atomic_t leaving_burst; /* 0 : No, 1 : Yes, 2: abort */ wait_queue_head_t wait; @@ -294,7 +294,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, if (ACPI_FAILURE(status)) return -ENODEV; } - down(&ec->sem); + mutex_lock(&ec->lock); /* Make sure GPE is enabled before doing transaction */ acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); @@ -310,7 +310,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, rdata, rdata_len); end: - up(&ec->sem); + mutex_unlock(&ec->lock); if (ec->global_lock) acpi_release_global_lock(glk); @@ -647,7 +647,7 @@ static int acpi_ec_add(struct acpi_device *device) ec->handle = device->handle; ec->uid = -1; - init_MUTEX(&ec->sem); + mutex_init(&ec->lock); atomic_set(&ec->query_pending, 0); if (acpi_ec_mode == EC_INTR) { atomic_set(&ec->leaving_burst, 1); @@ -830,7 +830,7 @@ acpi_fake_ecdt_callback(acpi_handle handle, { acpi_status status; - init_MUTEX(&ec_ecdt->sem); + mutex_init(&ec_ecdt->lock); if (acpi_ec_mode == EC_INTR) { init_waitqueue_head(&ec_ecdt->wait); } @@ -915,7 +915,7 @@ static int __init acpi_ec_get_real_ecdt(void) return -ENOMEM; memset(ec_ecdt, 0, sizeof(struct acpi_ec)); - init_MUTEX(&ec_ecdt->sem); + mutex_init(&ec_ecdt->lock); if (acpi_ec_mode == EC_INTR) { init_waitqueue_head(&ec_ecdt->wait); } -- cgit v1.2.3 From a86e277259b08be0f00cfcb182922da3ffc50f04 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:16 +0300 Subject: ACPI: ec: Rename gpe_bit to gpe Signed-off-by: Len Brown --- drivers/acpi/ec.c | 42 +++++++++++++++++++++--------------------- 1 file changed, 21 insertions(+), 21 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 034a9637235..722acafdf32 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -99,7 +99,7 @@ static struct acpi_driver acpi_ec_driver = { struct acpi_ec { acpi_handle handle; unsigned long uid; - unsigned long gpe_bit; + unsigned long gpe; unsigned long command_addr; unsigned long data_addr; unsigned long global_lock; @@ -297,7 +297,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, mutex_lock(&ec->lock); /* Make sure GPE is enabled before doing transaction */ - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (status) { @@ -563,14 +563,14 @@ static int acpi_ec_read_info(struct seq_file *seq, void *offset) if (!ec) goto end; - seq_printf(seq, "gpe bit: 0x%02x\n", - (u32) ec->gpe_bit); + seq_printf(seq, "gpe: 0x%02x\n", + (u32) ec->gpe); seq_printf(seq, "ports: 0x%02x, 0x%02x\n", (u32) ec->command_addr, (u32) ec->data_addr); seq_printf(seq, "use global lock: %s\n", ec->global_lock ? "yes" : "no"); - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); end: return 0; @@ -668,7 +668,7 @@ static int acpi_ec_add(struct acpi_device *device) ACPI_ADR_SPACE_EC, &acpi_ec_space_handler); - acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, + acpi_remove_gpe_handler(NULL, ec_ecdt->gpe, &acpi_ec_gpe_handler); kfree(ec_ecdt); @@ -678,7 +678,7 @@ static int acpi_ec_add(struct acpi_device *device) /* TODO: Add support for _GPE returning a package */ status = acpi_evaluate_integer(ec->handle, "_GPE", NULL, - &ec->gpe_bit); + &ec->gpe); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Obtaining GPE bit assignment")); result = -ENODEV; @@ -691,7 +691,7 @@ static int acpi_ec_add(struct acpi_device *device) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s [%s] (gpe %d) interrupt mode.", acpi_device_name(device), acpi_device_bid(device), - (u32) ec->gpe_bit)); + (u32) ec->gpe)); if (!first_ec) first_ec = device; @@ -771,26 +771,26 @@ static int acpi_ec_start(struct acpi_device *device) } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "gpe=0x%02lx, ports=0x%2lx,0x%2lx", - ec->gpe_bit, ec->command_addr, ec->data_addr)); + ec->gpe, ec->command_addr, ec->data_addr)); /* * Install GPE handler */ - status = acpi_install_gpe_handler(NULL, ec->gpe_bit, + status = acpi_install_gpe_handler(NULL, ec->gpe, ACPI_GPE_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec); if (ACPI_FAILURE(status)) { return -ENODEV; } - acpi_set_gpe_type(NULL, ec->gpe_bit, ACPI_GPE_TYPE_RUNTIME); - acpi_enable_gpe(NULL, ec->gpe_bit, ACPI_NOT_ISR); + acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); + acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); status = acpi_install_address_space_handler(ec->handle, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler, &acpi_ec_space_setup, ec); if (ACPI_FAILURE(status)) { - acpi_remove_gpe_handler(NULL, ec->gpe_bit, + acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler); return -ENODEV; } @@ -816,7 +816,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type) return -ENODEV; status = - acpi_remove_gpe_handler(NULL, ec->gpe_bit, + acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler); if (ACPI_FAILURE(status)) return -ENODEV; @@ -844,14 +844,14 @@ acpi_fake_ecdt_callback(acpi_handle handle, status = acpi_evaluate_integer(handle, "_GPE", NULL, - &ec_ecdt->gpe_bit); + &ec_ecdt->gpe); if (ACPI_FAILURE(status)) return status; ec_ecdt->global_lock = TRUE; ec_ecdt->handle = handle; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "GPE=0x%02lx, ports=0x%2lx, 0x%2lx", - ec_ecdt->gpe_bit, ec_ecdt->command_addr, ec_ecdt->data_addr)); + ec_ecdt->gpe, ec_ecdt->command_addr, ec_ecdt->data_addr)); return AE_CTRL_TERMINATE; } @@ -921,7 +921,7 @@ static int __init acpi_ec_get_real_ecdt(void) } ec_ecdt->command_addr = ecdt_ptr->ec_control.address; ec_ecdt->data_addr = ecdt_ptr->ec_data.address; - ec_ecdt->gpe_bit = ecdt_ptr->gpe_bit; + ec_ecdt->gpe = ecdt_ptr->gpe_bit; /* use the GL just to be safe */ ec_ecdt->global_lock = TRUE; ec_ecdt->uid = ecdt_ptr->uid; @@ -959,14 +959,14 @@ int __init acpi_ec_ecdt_probe(void) /* * Install GPE handler */ - status = acpi_install_gpe_handler(NULL, ec_ecdt->gpe_bit, + status = acpi_install_gpe_handler(NULL, ec_ecdt->gpe, ACPI_GPE_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec_ecdt); if (ACPI_FAILURE(status)) { goto error; } - acpi_set_gpe_type(NULL, ec_ecdt->gpe_bit, ACPI_GPE_TYPE_RUNTIME); - acpi_enable_gpe(NULL, ec_ecdt->gpe_bit, ACPI_NOT_ISR); + acpi_set_gpe_type(NULL, ec_ecdt->gpe, ACPI_GPE_TYPE_RUNTIME); + acpi_enable_gpe(NULL, ec_ecdt->gpe, ACPI_NOT_ISR); status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_EC, @@ -974,7 +974,7 @@ int __init acpi_ec_ecdt_probe(void) &acpi_ec_space_setup, ec_ecdt); if (ACPI_FAILURE(status)) { - acpi_remove_gpe_handler(NULL, ec_ecdt->gpe_bit, + acpi_remove_gpe_handler(NULL, ec_ecdt->gpe, &acpi_ec_gpe_handler); goto error; } -- cgit v1.2.3 From 50c1e1138cb94f6aca0f8555777edbcefe0324e2 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:17 +0300 Subject: ACPI: ec: Drop udelay() from poll mode. Loop by reading status field instead. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 722acafdf32..8ef74e7b3b9 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -70,8 +70,6 @@ enum { #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ -#define ACPI_EC_UDELAY 100 /* Poll @ 100us increments */ -#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 100ms max. during EC ops */ enum { EC_INTR = 1, /* Output buffer full */ @@ -159,11 +157,10 @@ static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) static int acpi_ec_wait(struct acpi_ec *ec, u8 event) { if (acpi_ec_mode == EC_POLL) { - int i; - for (i = 0; i < ACPI_EC_UDELAY_COUNT; ++i) { + unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); + while (time_before(jiffies, delay)) { if (acpi_ec_check_status(ec, event)) return 0; - udelay(ACPI_EC_UDELAY); } } else { if (wait_event_timeout(ec->wait, -- cgit v1.2.3 From 523953b41e52952347d7d50dcc4bfc27bc001dc8 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:17 +0300 Subject: ACPI: ec: Acquire Global Lock under EC mutex. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 8ef74e7b3b9..4d17777110e 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -286,12 +286,12 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, if (rdata) memset(rdata, 0, rdata_len); + mutex_lock(&ec->lock); if (ec->global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) return -ENODEV; } - mutex_lock(&ec->lock); /* Make sure GPE is enabled before doing transaction */ acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); @@ -307,10 +307,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, rdata, rdata_len); end: - mutex_unlock(&ec->lock); if (ec->global_lock) acpi_release_global_lock(glk); + mutex_unlock(&ec->lock); return status; } -- cgit v1.2.3 From 78d0af3392cba6dfdd1dc1eab5a86ba8e4af8fff Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:17 +0300 Subject: ACPI: ec: Style changes. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 4d17777110e..17a98aa734b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -135,20 +135,16 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } -static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) +static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) { u8 status = acpi_ec_read_status(ec); - switch (event) { - case ACPI_EC_EVENT_OBF_1: + + if (event == ACPI_EC_EVENT_OBF_1) { if (status & ACPI_EC_FLAG_OBF) return 1; - break; - case ACPI_EC_EVENT_IBF_0: + } else if (event == ACPI_EC_EVENT_IBF_0) { if (!(status & ACPI_EC_FLAG_IBF)) return 1; - break; - default: - break; } return 0; @@ -238,7 +234,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, acpi_ec_write_cmd(ec, command); - for (; wdata_len > 0; wdata_len --) { + for (; wdata_len > 0; --wdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (result) { printk(KERN_ERR PREFIX "write_cmd timeout, command = %d\n", @@ -259,7 +255,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, atomic_set(&ec->query_pending, 0); } - for (; rdata_len > 0; rdata_len --) { + for (; rdata_len > 0; --rdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1); if (result) { printk(KERN_ERR PREFIX "read timeout, command = %d\n", -- cgit v1.2.3 From 3261ff4db3a33ac7e1b9ed98e905663845cadbc6 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:17 +0300 Subject: ACPI: ec: Change #define to enums there possible. Signed-off-by: Len Brown --- drivers/acpi/ec.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 17a98aa734b..e05bb148754 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -56,14 +56,15 @@ ACPI_MODULE_NAME("acpi_ec") #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ /* EC commands */ -#define ACPI_EC_COMMAND_READ 0x80 -#define ACPI_EC_COMMAND_WRITE 0x81 -#define ACPI_EC_BURST_ENABLE 0x82 -#define ACPI_EC_BURST_DISABLE 0x83 -#define ACPI_EC_COMMAND_QUERY 0x84 - +enum ec_command { + ACPI_EC_COMMAND_READ = 0x80, + ACPI_EC_COMMAND_WRITE = 0x81, + ACPI_EC_BURST_ENABLE = 0x82, + ACPI_EC_BURST_DISABLE = 0x83, + ACPI_EC_COMMAND_QUERY = 0x84, +}; /* EC events */ -enum { +enum ec_event { ACPI_EC_EVENT_OBF_1 = 1, /* Output buffer full */ ACPI_EC_EVENT_IBF_0, /* Input buffer empty */ }; @@ -71,10 +72,10 @@ enum { #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ -enum { +static enum ec_mode { EC_INTR = 1, /* Output buffer full */ EC_POLL, /* Input buffer empty */ -}; +} acpi_ec_mode = EC_INTR; static int acpi_ec_remove(struct acpi_device *device, int type); static int acpi_ec_start(struct acpi_device *device); @@ -109,7 +110,6 @@ struct acpi_ec { /* External interfaces use first EC only, so remember */ static struct acpi_device *first_ec; -static int acpi_ec_mode = EC_INTR; /* -------------------------------------------------------------------------- Transaction Management @@ -135,7 +135,7 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } -static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) +static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event) { u8 status = acpi_ec_read_status(ec); @@ -150,7 +150,7 @@ static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) return 0; } -static int acpi_ec_wait(struct acpi_ec *ec, u8 event) +static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event) { if (acpi_ec_mode == EC_POLL) { unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); -- cgit v1.2.3 From 6ccedb10e39c34a4cb68f6c8dae67ecdd3e0b138 Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 7 Dec 2006 18:42:17 +0300 Subject: ACPI: ec: Lindent once again Signed-off-by: Len Brown --- drivers/acpi/ec.c | 171 ++++++++++++++++++++++++------------------------------ 1 file changed, 76 insertions(+), 95 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index e05bb148754..d713f769b72 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -45,36 +45,33 @@ ACPI_MODULE_NAME("acpi_ec") #define ACPI_EC_DRIVER_NAME "ACPI Embedded Controller Driver" #define ACPI_EC_DEVICE_NAME "Embedded Controller" #define ACPI_EC_FILE_INFO "info" - #undef PREFIX #define PREFIX "ACPI: EC: " - /* EC status register */ #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ #define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */ #define ACPI_EC_FLAG_BURST 0x10 /* burst mode */ #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ - /* EC commands */ enum ec_command { - ACPI_EC_COMMAND_READ = 0x80, - ACPI_EC_COMMAND_WRITE = 0x81, - ACPI_EC_BURST_ENABLE = 0x82, - ACPI_EC_BURST_DISABLE = 0x83, - ACPI_EC_COMMAND_QUERY = 0x84, + ACPI_EC_COMMAND_READ = 0x80, + ACPI_EC_COMMAND_WRITE = 0x81, + ACPI_EC_BURST_ENABLE = 0x82, + ACPI_EC_BURST_DISABLE = 0x83, + ACPI_EC_COMMAND_QUERY = 0x84, }; /* EC events */ enum ec_event { ACPI_EC_EVENT_OBF_1 = 1, /* Output buffer full */ - ACPI_EC_EVENT_IBF_0, /* Input buffer empty */ + ACPI_EC_EVENT_IBF_0, /* Input buffer empty */ }; #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ static enum ec_mode { - EC_INTR = 1, /* Output buffer full */ - EC_POLL, /* Input buffer empty */ + EC_INTR = 1, /* Output buffer full */ + EC_POLL, /* Input buffer empty */ } acpi_ec_mode = EC_INTR; static int acpi_ec_remove(struct acpi_device *device, int type); @@ -167,7 +164,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event) } else { printk(KERN_ERR PREFIX "acpi_ec_wait timeout," " status = %d, expect_event = %d\n", - acpi_ec_read_status(ec), event); + acpi_ec_read_status(ec), event); } } @@ -184,7 +181,6 @@ int acpi_ec_enter_burst_mode(struct acpi_ec *ec) u8 tmp = 0; u8 status = 0; - status = acpi_ec_read_status(ec); if (status != -EINVAL && !(status & ACPI_EC_FLAG_BURST)) { status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); @@ -200,7 +196,7 @@ int acpi_ec_enter_burst_mode(struct acpi_ec *ec) atomic_set(&ec->leaving_burst, 0); return 0; - end: + end: ACPI_EXCEPTION((AE_INFO, status, "EC wait, burst mode")); return -1; } @@ -209,26 +205,25 @@ int acpi_ec_leave_burst_mode(struct acpi_ec *ec) { u8 status = 0; - status = acpi_ec_read_status(ec); - if (status != -EINVAL && (status & ACPI_EC_FLAG_BURST)){ + if (status != -EINVAL && (status & ACPI_EC_FLAG_BURST)) { status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); - if(status) + if (status) goto end; acpi_ec_write_cmd(ec, ACPI_EC_BURST_DISABLE); acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); } atomic_set(&ec->leaving_burst, 1); return 0; - end: + end: ACPI_EXCEPTION((AE_INFO, status, "EC leave burst mode")); return -1; } -#endif /* ACPI_FUTURE_USAGE */ +#endif /* ACPI_FUTURE_USAGE */ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, - const u8 *wdata, unsigned wdata_len, - u8 *rdata, unsigned rdata_len) + const u8 * wdata, unsigned wdata_len, + u8 * rdata, unsigned rdata_len) { int result = 0; @@ -237,8 +232,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, for (; wdata_len > 0; --wdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (result) { - printk(KERN_ERR PREFIX "write_cmd timeout, command = %d\n", - command); + printk(KERN_ERR PREFIX + "write_cmd timeout, command = %d\n", command); goto end; } acpi_ec_write_data(ec, *(wdata++)); @@ -247,8 +242,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, if (!rdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (result) { - printk(KERN_ERR PREFIX "finish-write timeout, command = %d\n", - command); + printk(KERN_ERR PREFIX + "finish-write timeout, command = %d\n", command); goto end; } } else if (command == ACPI_EC_COMMAND_QUERY) { @@ -259,7 +254,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1); if (result) { printk(KERN_ERR PREFIX "read timeout, command = %d\n", - command); + command); goto end; } @@ -270,8 +265,8 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, } static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, - const u8 *wdata, unsigned wdata_len, - u8 *rdata, unsigned rdata_len) + const u8 * wdata, unsigned wdata_len, + u8 * rdata, unsigned rdata_len) { int status; u32 glk; @@ -279,8 +274,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, if (!ec || (wdata_len && !wdata) || (rdata_len && !rdata)) return -EINVAL; - if (rdata) - memset(rdata, 0, rdata_len); + if (rdata) + memset(rdata, 0, rdata_len); mutex_lock(&ec->lock); if (ec->global_lock) { @@ -294,15 +289,16 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (status) { - printk(KERN_DEBUG PREFIX "read EC, IB not empty\n"); + printk(KERN_DEBUG PREFIX + "input buffer is not empty, aborting transaction\n"); goto end; } - status = acpi_ec_transaction_unlocked(ec, command, - wdata, wdata_len, - rdata, rdata_len); + status = acpi_ec_transaction_unlocked(ec, command, + wdata, wdata_len, + rdata, rdata_len); -end: + end: if (ec->global_lock) acpi_release_global_lock(glk); @@ -311,7 +307,7 @@ end: return status; } -static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) +static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data) { int result; u8 d; @@ -324,15 +320,15 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) { - u8 wdata[2] = { address, data }; - return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE, + u8 wdata[2] = { address, data }; + return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE, wdata, 2, NULL, 0); } /* * Externally callable EC access functions. For now, assume 1 EC only */ -int ec_read(u8 addr, u8 *val) +int ec_read(u8 addr, u8 * val) { struct acpi_ec *ec; int err; @@ -372,8 +368,8 @@ int ec_write(u8 addr, u8 val) EXPORT_SYMBOL(ec_write); extern int ec_transaction(u8 command, - const u8 *wdata, unsigned wdata_len, - u8 *rdata, unsigned rdata_len) + const u8 * wdata, unsigned wdata_len, + u8 * rdata, unsigned rdata_len) { struct acpi_ec *ec; @@ -388,29 +384,29 @@ extern int ec_transaction(u8 command, EXPORT_SYMBOL(ec_transaction); -static int acpi_ec_query(struct acpi_ec *ec, u8 *data) +static int acpi_ec_query(struct acpi_ec *ec, u8 * data) { int result; - u8 d; + u8 d; - if (!ec || !data) - return -EINVAL; + if (!ec || !data) + return -EINVAL; - /* - * Query the EC to find out which _Qxx method we need to evaluate. - * Note that successful completion of the query causes the ACPI_EC_SCI - * bit to be cleared (and thus clearing the interrupt source). - */ + /* + * Query the EC to find out which _Qxx method we need to evaluate. + * Note that successful completion of the query causes the ACPI_EC_SCI + * bit to be cleared (and thus clearing the interrupt source). + */ - result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1); - if (result) - return result; + result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1); + if (result) + return result; - if (!d) - return -ENODATA; + if (!d) + return -ENODATA; - *data = d; - return 0; + *data = d; + return 0; } /* -------------------------------------------------------------------------- @@ -439,7 +435,6 @@ static u32 acpi_ec_gpe_handler(void *data) u8 value; struct acpi_ec *ec = (struct acpi_ec *)data; - if (acpi_ec_mode == EC_INTR) { wake_up(&ec->wait); } @@ -447,7 +442,9 @@ static u32 acpi_ec_gpe_handler(void *data) value = acpi_ec_read_status(ec); if ((value & ACPI_EC_FLAG_SCI) && !atomic_read(&ec->query_pending)) { atomic_set(&ec->query_pending, 1); - status = acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); + status = + acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, + ec); } return status == AE_OK ? @@ -485,7 +482,6 @@ acpi_ec_space_handler(u32 function, acpi_integer f_v = 0; int i = 0; - if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -499,7 +495,7 @@ acpi_ec_space_handler(u32 function, switch (function) { case ACPI_READ: temp = 0; - result = acpi_ec_read(ec, (u8) address, (u8 *) &temp); + result = acpi_ec_read(ec, (u8) address, (u8 *) & temp); break; case ACPI_WRITE: result = acpi_ec_write(ec, (u8) address, (u8) temp); @@ -552,15 +548,12 @@ static int acpi_ec_read_info(struct seq_file *seq, void *offset) { struct acpi_ec *ec = (struct acpi_ec *)seq->private; - if (!ec) goto end; - seq_printf(seq, "gpe: 0x%02x\n", - (u32) ec->gpe); + seq_printf(seq, "gpe: 0x%02x\n", (u32) ec->gpe); seq_printf(seq, "ports: 0x%02x, 0x%02x\n", - (u32) ec->command_addr, - (u32) ec->data_addr); + (u32) ec->command_addr, (u32) ec->data_addr); seq_printf(seq, "use global lock: %s\n", ec->global_lock ? "yes" : "no"); acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); @@ -586,7 +579,6 @@ static int acpi_ec_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_ec_dir); @@ -629,7 +621,6 @@ static int acpi_ec_add(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_ec *ec = NULL; - if (!device) return -EINVAL; @@ -651,8 +642,7 @@ static int acpi_ec_add(struct acpi_device *device) acpi_driver_data(device) = ec; /* Use the global lock for all EC transactions? */ - acpi_evaluate_integer(ec->handle, "_GLK", NULL, - &ec->global_lock); + acpi_evaluate_integer(ec->handle, "_GLK", NULL, &ec->global_lock); /* XXX we don't test uids, because on some boxes ecdt uid = 0, see: http://bugzilla.kernel.org/show_bug.cgi?id=6111 */ @@ -669,11 +659,10 @@ static int acpi_ec_add(struct acpi_device *device) /* Get GPE bit assignment (EC events). */ /* TODO: Add support for _GPE returning a package */ - status = - acpi_evaluate_integer(ec->handle, "_GPE", NULL, - &ec->gpe); + status = acpi_evaluate_integer(ec->handle, "_GPE", NULL, &ec->gpe); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Obtaining GPE bit assignment")); + ACPI_EXCEPTION((AE_INFO, status, + "Obtaining GPE bit assignment")); result = -ENODEV; goto end; } @@ -683,13 +672,13 @@ static int acpi_ec_add(struct acpi_device *device) goto end; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s [%s] (gpe %d) interrupt mode.", - acpi_device_name(device), acpi_device_bid(device), - (u32) ec->gpe)); + acpi_device_name(device), acpi_device_bid(device), + (u32) ec->gpe)); if (!first_ec) first_ec = device; - end: + end: if (result) kfree(ec); @@ -700,7 +689,6 @@ static int acpi_ec_remove(struct acpi_device *device, int type) { struct acpi_ec *ec = NULL; - if (!device) return -EINVAL; @@ -743,7 +731,6 @@ static int acpi_ec_start(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_ec *ec = NULL; - if (!device) return -EINVAL; @@ -783,8 +770,7 @@ static int acpi_ec_start(struct acpi_device *device) &acpi_ec_space_handler, &acpi_ec_space_setup, ec); if (ACPI_FAILURE(status)) { - acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler); + acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler); return -ENODEV; } @@ -796,7 +782,6 @@ static int acpi_ec_stop(struct acpi_device *device, int type) acpi_status status = AE_OK; struct acpi_ec *ec = NULL; - if (!device) return -EINVAL; @@ -808,9 +793,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type) if (ACPI_FAILURE(status)) return -ENODEV; - status = - acpi_remove_gpe_handler(NULL, ec->gpe, - &acpi_ec_gpe_handler); + status = acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler); if (ACPI_FAILURE(status)) return -ENODEV; @@ -835,16 +818,15 @@ acpi_fake_ecdt_callback(acpi_handle handle, ec_ecdt->uid = -1; acpi_evaluate_integer(handle, "_UID", NULL, &ec_ecdt->uid); - status = - acpi_evaluate_integer(handle, "_GPE", NULL, - &ec_ecdt->gpe); + status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec_ecdt->gpe); if (ACPI_FAILURE(status)) return status; ec_ecdt->global_lock = TRUE; ec_ecdt->handle = handle; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "GPE=0x%02lx, ports=0x%2lx, 0x%2lx", - ec_ecdt->gpe, ec_ecdt->command_addr, ec_ecdt->data_addr)); + ec_ecdt->gpe, ec_ecdt->command_addr, + ec_ecdt->data_addr)); return AE_CTRL_TERMINATE; } @@ -883,7 +865,7 @@ static int __init acpi_ec_fake_ecdt(void) goto error; } return 0; - error: + error: return ret; } @@ -919,14 +901,13 @@ static int __init acpi_ec_get_real_ecdt(void) ec_ecdt->global_lock = TRUE; ec_ecdt->uid = ecdt_ptr->uid; - status = - acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->handle); + status = acpi_get_handle(NULL, ecdt_ptr->ec_id, &ec_ecdt->handle); if (ACPI_FAILURE(status)) { goto error; } return 0; - error: + error: ACPI_EXCEPTION((AE_INFO, status, "Could not use ECDT")); kfree(ec_ecdt); ec_ecdt = NULL; @@ -986,7 +967,6 @@ static int __init acpi_ec_init(void) { int result = 0; - if (acpi_disabled) return 0; @@ -1039,7 +1019,8 @@ static int __init acpi_ec_set_intr_mode(char *str) acpi_ec_mode = EC_POLL; } acpi_ec_driver.ops.add = acpi_ec_add; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "EC %s mode.\n", intr ? "interrupt" : "polling")); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "EC %s mode.\n", + intr ? "interrupt" : "polling")); return 1; } -- cgit v1.2.3 From e45ccc0562e3f391dcba8b2e8a02551e8e42d8db Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 8 Dec 2006 15:53:52 +0100 Subject: [S390] workqueue fixes. Cc: David Howells Cc: Heiko Carstens Signed-off-by: Andrew Morton Signed-off-by: Martin Schwidefsky --- drivers/s390/char/ctrlchar.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c index 49e9628d929..c6cbcb3f925 100644 --- a/drivers/s390/char/ctrlchar.c +++ b/drivers/s390/char/ctrlchar.c @@ -16,14 +16,15 @@ #ifdef CONFIG_MAGIC_SYSRQ static int ctrlchar_sysrq_key; +static struct tty_struct *sysrq_tty; static void -ctrlchar_handle_sysrq(void *tty) +ctrlchar_handle_sysrq(struct work_struct *work) { - handle_sysrq(ctrlchar_sysrq_key, (struct tty_struct *) tty); + handle_sysrq(ctrlchar_sysrq_key, sysrq_tty); } -static DECLARE_WORK(ctrlchar_work, ctrlchar_handle_sysrq, NULL); +static DECLARE_WORK(ctrlchar_work, ctrlchar_handle_sysrq); #endif @@ -53,7 +54,7 @@ ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty) /* racy */ if (len == 3 && buf[1] == '-') { ctrlchar_sysrq_key = buf[2]; - ctrlchar_work.data = tty; + sysrq_tty = tty; schedule_work(&ctrlchar_work); return CTRLCHAR_SYSRQ; } -- cgit v1.2.3 From c16375329c2ab4667df873394c4be7a61d163c62 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 8 Dec 2006 15:53:57 +0100 Subject: [S390] more workqueue fixes. Signed-off-by: Martin Schwidefsky --- drivers/s390/char/tape.h | 3 ++- drivers/s390/char/tape_34xx.c | 23 +++++++++++----------- drivers/s390/char/tape_3590.c | 7 ++++--- drivers/s390/char/tape_block.c | 14 +++++++++----- drivers/s390/char/tape_core.c | 14 +++++++------- drivers/s390/cio/css.h | 2 ++ drivers/s390/cio/device.c | 43 ++++++++++++++++++++++++++---------------- drivers/s390/cio/device.h | 4 ++-- drivers/s390/cio/device_fsm.c | 38 +++++++++++++++++++------------------ drivers/s390/cio/qdio.c | 8 +++++--- 10 files changed, 89 insertions(+), 67 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index 1f4c89967be..c9f1c4c8bb1 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -179,6 +179,7 @@ struct tape_char_data { /* Block Frontend Data */ struct tape_blk_data { + struct tape_device * device; /* Block device request queue. */ request_queue_t * request_queue; spinlock_t request_queue_lock; @@ -240,7 +241,7 @@ struct tape_device { #endif /* Function to start or stop the next request later. */ - struct work_struct tape_dnr; + struct delayed_work tape_dnr; }; /* Externals from tape_core.c */ diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 7b95dab913d..e765875e8db 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -95,6 +95,12 @@ tape_34xx_medium_sense(struct tape_device *device) return rc; } +struct tape_34xx_work { + struct tape_device *device; + enum tape_op op; + struct work_struct work; +}; + /* * These functions are currently used only to schedule a medium_sense for * later execution. This is because we get an interrupt whenever a medium @@ -103,13 +109,10 @@ tape_34xx_medium_sense(struct tape_device *device) * interrupt handler. */ static void -tape_34xx_work_handler(void *data) +tape_34xx_work_handler(struct work_struct *work) { - struct { - struct tape_device *device; - enum tape_op op; - struct work_struct work; - } *p = data; + struct tape_34xx_work *p = + container_of(work, struct tape_34xx_work, work); switch(p->op) { case TO_MSEN: @@ -126,17 +129,13 @@ tape_34xx_work_handler(void *data) static int tape_34xx_schedule_work(struct tape_device *device, enum tape_op op) { - struct { - struct tape_device *device; - enum tape_op op; - struct work_struct work; - } *p; + struct tape_34xx_work *p; if ((p = kmalloc(sizeof(*p), GFP_ATOMIC)) == NULL) return -ENOMEM; memset(p, 0, sizeof(*p)); - INIT_WORK(&p->work, tape_34xx_work_handler, p); + INIT_WORK(&p->work, tape_34xx_work_handler); p->device = tape_get_device_reference(device); p->op = op; diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 928cbefc49d..9df912f6318 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -236,9 +236,10 @@ struct work_handler_data { }; static void -tape_3590_work_handler(void *data) +tape_3590_work_handler(struct work_struct *work) { - struct work_handler_data *p = data; + struct work_handler_data *p = + container_of(work, struct work_handler_data, work); switch (p->op) { case TO_MSEN: @@ -263,7 +264,7 @@ tape_3590_schedule_work(struct tape_device *device, enum tape_op op) if ((p = kzalloc(sizeof(*p), GFP_ATOMIC)) == NULL) return -ENOMEM; - INIT_WORK(&p->work, tape_3590_work_handler, p); + INIT_WORK(&p->work, tape_3590_work_handler); p->device = tape_get_device_reference(device); p->op = op; diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 3225fcd1dcb..c8a89b3b87d 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -15,6 +15,7 @@ #include #include #include +#include #include @@ -143,7 +144,8 @@ tapeblock_start_request(struct tape_device *device, struct request *req) * queue. */ static void -tapeblock_requeue(void *data) { +tapeblock_requeue(struct work_struct *work) { + struct tape_blk_data * blkdat; struct tape_device * device; request_queue_t * queue; int nr_queued; @@ -151,7 +153,8 @@ tapeblock_requeue(void *data) { struct list_head * l; int rc; - device = (struct tape_device *) data; + blkdat = container_of(work, struct tape_blk_data, requeue_task); + device = blkdat->device; if (!device) return; @@ -212,6 +215,7 @@ tapeblock_setup_device(struct tape_device * device) int rc; blkdat = &device->blk_data; + blkdat->device = device; spin_lock_init(&blkdat->request_queue_lock); atomic_set(&blkdat->requeue_scheduled, 0); @@ -255,8 +259,8 @@ tapeblock_setup_device(struct tape_device * device) add_disk(disk); - INIT_WORK(&blkdat->requeue_task, tapeblock_requeue, - tape_get_device_reference(device)); + tape_get_device_reference(device); + INIT_WORK(&blkdat->requeue_task, tapeblock_requeue); return 0; @@ -271,7 +275,7 @@ void tapeblock_cleanup_device(struct tape_device *device) { flush_scheduled_work(); - device->blk_data.requeue_task.data = tape_put_device(device); + tape_put_device(device); if (!device->blk_data.disk) { PRINT_ERR("(%s): No gendisk to clean up!\n", diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 2826aed9104..c6c2e918b99 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -28,7 +28,7 @@ #define PRINTK_HEADER "TAPE_CORE: " static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *); -static void tape_delayed_next_request(void * data); +static void tape_delayed_next_request(struct work_struct *); /* * One list to contain all tape devices of all disciplines, so @@ -272,7 +272,7 @@ __tape_cancel_io(struct tape_device *device, struct tape_request *request) return 0; case -EBUSY: request->status = TAPE_REQUEST_CANCEL; - schedule_work(&device->tape_dnr); + schedule_delayed_work(&device->tape_dnr, 0); return 0; case -ENODEV: DBF_EXCEPTION(2, "device gone, retry\n"); @@ -470,7 +470,7 @@ tape_alloc_device(void) *device->modeset_byte = 0; device->first_minor = -1; atomic_set(&device->ref_count, 1); - INIT_WORK(&device->tape_dnr, tape_delayed_next_request, device); + INIT_DELAYED_WORK(&device->tape_dnr, tape_delayed_next_request); return device; } @@ -724,7 +724,7 @@ __tape_start_io(struct tape_device *device, struct tape_request *request) } else if (rc == -EBUSY) { /* The common I/O subsystem is currently busy. Retry later. */ request->status = TAPE_REQUEST_QUEUED; - schedule_work(&device->tape_dnr); + schedule_delayed_work(&device->tape_dnr, 0); rc = 0; } else { /* Start failed. Remove request and indicate failure. */ @@ -790,11 +790,11 @@ __tape_start_next_request(struct tape_device *device) } static void -tape_delayed_next_request(void *data) +tape_delayed_next_request(struct work_struct *work) { - struct tape_device * device; + struct tape_device *device = + container_of(work, struct tape_device, tape_dnr.work); - device = (struct tape_device *) data; DBF_LH(6, "tape_delayed_next_request(%p)\n", device); spin_lock_irq(get_ccwdev_lock(device->cdev)); __tape_start_next_request(device); diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 9ff064e7176..dfd5462f993 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -73,6 +73,8 @@ struct senseid { } __attribute__ ((packed,aligned(4))); struct ccw_device_private { + struct ccw_device *cdev; + struct subchannel *sch; int state; /* device state */ atomic_t onoff; unsigned long registered; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index d3d3716ff84..0f604621de4 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -585,12 +585,13 @@ static struct ccw_device * get_disc_ccwdev_by_dev_id(struct ccw_dev_id *dev_id, } static void -ccw_device_add_changed(void *data) +ccw_device_add_changed(struct work_struct *work) { - + struct ccw_device_private *priv; struct ccw_device *cdev; - cdev = data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; if (device_add(&cdev->dev)) { put_device(&cdev->dev); return; @@ -605,13 +606,15 @@ ccw_device_add_changed(void *data) extern int css_get_ssd_info(struct subchannel *sch); void -ccw_device_do_unreg_rereg(void *data) +ccw_device_do_unreg_rereg(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; struct subchannel *sch; int need_rename; - cdev = data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); if (cdev->private->dev_id.devno != sch->schib.pmcw.dev) { /* @@ -659,7 +662,7 @@ ccw_device_do_unreg_rereg(void *data) snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", sch->schid.ssid, sch->schib.pmcw.dev); PREPARE_WORK(&cdev->private->kick_work, - ccw_device_add_changed, cdev); + ccw_device_add_changed); queue_work(ccw_device_work, &cdev->private->kick_work); } @@ -677,14 +680,16 @@ ccw_device_release(struct device *dev) * Register recognized device. */ static void -io_subchannel_register(void *data) +io_subchannel_register(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; struct subchannel *sch; int ret; unsigned long flags; - cdev = data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); /* @@ -734,11 +739,14 @@ out: } void -ccw_device_call_sch_unregister(void *data) +ccw_device_call_sch_unregister(struct work_struct *work) { - struct ccw_device *cdev = data; + struct ccw_device_private *priv; + struct ccw_device *cdev; struct subchannel *sch; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); css_sch_device_unregister(sch); /* Reset intparm to zeroes. */ @@ -768,7 +776,7 @@ io_subchannel_recog_done(struct ccw_device *cdev) break; sch = to_subchannel(cdev->dev.parent); PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, cdev); + ccw_device_call_sch_unregister); queue_work(slow_path_wq, &cdev->private->kick_work); if (atomic_dec_and_test(&ccw_device_init_count)) wake_up(&ccw_device_init_wq); @@ -783,7 +791,7 @@ io_subchannel_recog_done(struct ccw_device *cdev) if (!get_device(&cdev->dev)) break; PREPARE_WORK(&cdev->private->kick_work, - io_subchannel_register, cdev); + io_subchannel_register); queue_work(slow_path_wq, &cdev->private->kick_work); break; } @@ -865,6 +873,7 @@ io_subchannel_probe (struct subchannel *sch) kfree(cdev); return -ENOMEM; } + cdev->private->cdev = cdev; atomic_set(&cdev->private->onoff, 0); cdev->dev.parent = &sch->dev; cdev->dev.release = ccw_device_release; @@ -890,12 +899,13 @@ io_subchannel_probe (struct subchannel *sch) return rc; } -static void -ccw_device_unregister(void *data) +static void ccw_device_unregister(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; - cdev = (struct ccw_device *)data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; if (test_and_clear_bit(1, &cdev->private->registered)) device_unregister(&cdev->dev); put_device(&cdev->dev); @@ -921,7 +931,7 @@ io_subchannel_remove (struct subchannel *sch) */ if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_unregister, cdev); + ccw_device_unregister); queue_work(ccw_device_work, &cdev->private->kick_work); } return 0; @@ -1048,6 +1058,7 @@ ccw_device_probe_console(void) memset(&console_cdev, 0, sizeof(struct ccw_device)); memset(&console_private, 0, sizeof(struct ccw_device_private)); console_cdev.private = &console_private; + console_private.cdev = &console_cdev; ret = ccw_device_console_enable(&console_cdev, sch); if (ret) { cio_release_console(); diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 9233b5c0bcc..d5fe95e04cf 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -78,8 +78,8 @@ void io_subchannel_recog_done(struct ccw_device *cdev); int ccw_device_cancel_halt_clear(struct ccw_device *); -void ccw_device_do_unreg_rereg(void *); -void ccw_device_call_sch_unregister(void *); +void ccw_device_do_unreg_rereg(struct work_struct *); +void ccw_device_call_sch_unregister(struct work_struct *); int ccw_device_recognition(struct ccw_device *); int ccw_device_online(struct ccw_device *); diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 09c7672eb3f..0f0301ce37f 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -194,7 +194,7 @@ ccw_device_handle_oper(struct ccw_device *cdev) cdev->id.dev_model != cdev->private->senseid.dev_model || cdev->private->dev_id.devno != sch->schib.pmcw.dev) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_do_unreg_rereg, cdev); + ccw_device_do_unreg_rereg); queue_work(ccw_device_work, &cdev->private->kick_work); return 0; } @@ -329,19 +329,21 @@ ccw_device_sense_id_done(struct ccw_device *cdev, int err) } static void -ccw_device_oper_notify(void *data) +ccw_device_oper_notify(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; struct subchannel *sch; int ret; - cdev = data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); ret = (sch->driver && sch->driver->notify) ? sch->driver->notify(&sch->dev, CIO_OPER) : 0; if (!ret) /* Driver doesn't want device back. */ - ccw_device_do_unreg_rereg(cdev); + ccw_device_do_unreg_rereg(work); else { /* Reenable channel measurements, if needed. */ cmf_reenable(cdev); @@ -377,8 +379,7 @@ ccw_device_done(struct ccw_device *cdev, int state) if (cdev->private->flags.donotify) { cdev->private->flags.donotify = 0; - PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify, - cdev); + PREPARE_WORK(&cdev->private->kick_work, ccw_device_oper_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -528,13 +529,15 @@ ccw_device_recog_timeout(struct ccw_device *cdev, enum dev_event dev_event) static void -ccw_device_nopath_notify(void *data) +ccw_device_nopath_notify(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; struct subchannel *sch; int ret; - cdev = data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); /* Extra sanity. */ if (sch->lpm) @@ -547,8 +550,7 @@ ccw_device_nopath_notify(void *data) cio_disable_subchannel(sch); if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, - cdev); + ccw_device_call_sch_unregister); queue_work(ccw_device_work, &cdev->private->kick_work); } else @@ -607,7 +609,7 @@ ccw_device_verify_done(struct ccw_device *cdev, int err) /* Reset oper notify indication after verify error. */ cdev->private->flags.donotify = 0; PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); ccw_device_done(cdev, DEV_STATE_NOT_OPER); break; @@ -738,7 +740,7 @@ ccw_device_offline_notoper(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, cdev); + ccw_device_call_sch_unregister); queue_work(ccw_device_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -769,7 +771,7 @@ ccw_device_online_notoper(struct ccw_device *cdev, enum dev_event dev_event) } if (get_device(&cdev->dev)) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_call_sch_unregister, cdev); + ccw_device_call_sch_unregister); queue_work(ccw_device_work, &cdev->private->kick_work); } wake_up(&cdev->private->wait_q); @@ -874,7 +876,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -969,7 +971,7 @@ ccw_device_killing_irq(struct ccw_device *cdev, enum dev_event dev_event) ERR_PTR(-EIO)); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else if (cdev->private->flags.doverify) /* Start delayed path verification. */ @@ -992,7 +994,7 @@ ccw_device_killing_timeout(struct ccw_device *cdev, enum dev_event dev_event) sch = to_subchannel(cdev->dev.parent); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -1021,7 +1023,7 @@ void device_kill_io(struct subchannel *sch) if (ret == -ENODEV) { if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else @@ -1033,7 +1035,7 @@ void device_kill_io(struct subchannel *sch) ERR_PTR(-EIO)); if (!sch->lpm) { PREPARE_WORK(&cdev->private->kick_work, - ccw_device_nopath_notify, cdev); + ccw_device_nopath_notify); queue_work(ccw_device_notify_work, &cdev->private->kick_work); } else /* Start delayed path verification. */ diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 8d5fa1b4d11..d066dbf2c65 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -2045,11 +2045,13 @@ omit_handler_call: } static void -qdio_call_shutdown(void *data) +qdio_call_shutdown(struct work_struct *work) { + struct ccw_device_private *priv; struct ccw_device *cdev; - cdev = (struct ccw_device *)data; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; qdio_shutdown(cdev, QDIO_FLAG_CLEANUP_USING_CLEAR); put_device(&cdev->dev); } @@ -2091,7 +2093,7 @@ qdio_timeout_handler(struct ccw_device *cdev) if (get_device(&cdev->dev)) { /* Can't call shutdown from interrupt context. */ PREPARE_WORK(&cdev->private->kick_work, - qdio_call_shutdown, (void *)cdev); + qdio_call_shutdown); queue_work(ccw_device_work, &cdev->private->kick_work); } break; -- cgit v1.2.3 From 85eca8503997cf3a869b159954f703530c865299 Mon Sep 17 00:00:00 2001 From: Ralph Wuerthner Date: Fri, 8 Dec 2006 15:54:07 +0100 Subject: [S390] add reset call handler to the ap bus. Signed-off-by: Ralph Wuerthner Signed-off-by: Martin Schwidefsky --- drivers/s390/crypto/ap_bus.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers') diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index e4dc947e74e..ad60afe5dd1 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -33,6 +33,7 @@ #include #include #include +#include #include "ap_bus.h" @@ -1128,6 +1129,19 @@ static void ap_poll_thread_stop(void) mutex_unlock(&ap_poll_thread_mutex); } +static void ap_reset(void) +{ + int i, j; + + for (i = 0; i < AP_DOMAINS; i++) + for (j = 0; j < AP_DEVICES; j++) + ap_reset_queue(AP_MKQID(j, i)); +} + +static struct reset_call ap_reset_call = { + .fn = ap_reset, +}; + /** * The module initialization code. */ @@ -1144,6 +1158,7 @@ int __init ap_module_init(void) printk(KERN_WARNING "AP instructions not installed.\n"); return -ENODEV; } + register_reset_call(&ap_reset_call); /* Create /sys/bus/ap. */ rc = bus_register(&ap_bus_type); @@ -1197,6 +1212,7 @@ out_bus: bus_remove_file(&ap_bus_type, ap_bus_attrs[i]); bus_unregister(&ap_bus_type); out: + unregister_reset_call(&ap_reset_call); return rc; } @@ -1227,6 +1243,7 @@ void ap_module_exit(void) for (i = 0; ap_bus_attrs[i]; i++) bus_remove_file(&ap_bus_type, ap_bus_attrs[i]); bus_unregister(&ap_bus_type); + unregister_reset_call(&ap_reset_call); } #ifndef CONFIG_ZCRYPT_MONOLITHIC -- cgit v1.2.3 From 9575bf265711cabe7147a68003a56a9f19f034da Mon Sep 17 00:00:00 2001 From: Horst Hummel Date: Fri, 8 Dec 2006 15:54:15 +0100 Subject: [S390] New DASD feature for ERP related logging It is now possible to enable/disable ERP related logging without re-compile and re-ipl. A additional sysfs-attribute 'erplog' allows to switch the logging non-interruptive. Signed-off-by: Horst Hummel Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd.c | 8 +++---- drivers/s390/block/dasd_3990_erp.c | 23 +++++++----------- drivers/s390/block/dasd_devmap.c | 49 ++++++++++++++++++++++++++++++++++++++ drivers/s390/block/dasd_int.h | 4 ---- 4 files changed, 62 insertions(+), 22 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 2af2d9b53d1..492b68bcd7c 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1050,10 +1050,10 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, } } else { /* error */ memcpy(&cqr->irb, irb, sizeof (struct irb)); -#ifdef ERP_DEBUG - /* dump sense data */ - dasd_log_sense(cqr, irb); -#endif + if (device->features & DASD_FEATURE_ERPLOG) { + /* dump sense data */ + dasd_log_sense(cqr, irb); + } switch (era) { case dasd_era_fatal: cqr->status = DASD_CQR_FAILED; diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index 669805d4402..4d01040c2c6 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -2641,14 +2641,12 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) struct dasd_ccw_req *erp = NULL; struct dasd_device *device = cqr->device; __u32 cpa = cqr->irb.scsw.cpa; + struct dasd_ccw_req *temp_erp = NULL; -#ifdef ERP_DEBUG - /* print current erp_chain */ - DEV_MESSAGE(KERN_ERR, device, "%s", - "ERP chain at BEGINNING of ERP-ACTION"); - { - struct dasd_ccw_req *temp_erp = NULL; - + if (device->features & DASD_FEATURE_ERPLOG) { + /* print current erp_chain */ + DEV_MESSAGE(KERN_ERR, device, "%s", + "ERP chain at BEGINNING of ERP-ACTION"); for (temp_erp = cqr; temp_erp != NULL; temp_erp = temp_erp->refers) { @@ -2658,7 +2656,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) temp_erp->refers); } } -#endif /* ERP_DEBUG */ /* double-check if current erp/cqr was successfull */ if ((cqr->irb.scsw.cstat == 0x00) && @@ -2695,11 +2692,10 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) erp = dasd_3990_erp_handle_match_erp(cqr, erp); } -#ifdef ERP_DEBUG - /* print current erp_chain */ - DEV_MESSAGE(KERN_ERR, device, "%s", "ERP chain at END of ERP-ACTION"); - { - struct dasd_ccw_req *temp_erp = NULL; + if (device->features & DASD_FEATURE_ERPLOG) { + /* print current erp_chain */ + DEV_MESSAGE(KERN_ERR, device, "%s", + "ERP chain at END of ERP-ACTION"); for (temp_erp = erp; temp_erp != NULL; temp_erp = temp_erp->refers) { @@ -2709,7 +2705,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) temp_erp->refers); } } -#endif /* ERP_DEBUG */ if (erp->status == DASD_CQR_FAILED) dasd_log_ccw(erp, 1, cpa); diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index cf28ccc5794..5943266152f 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -202,6 +202,8 @@ dasd_feature_list(char *str, char **endp) features |= DASD_FEATURE_READONLY; else if (len == 4 && !strncmp(str, "diag", 4)) features |= DASD_FEATURE_USEDIAG; + else if (len == 6 && !strncmp(str, "erplog", 6)) + features |= DASD_FEATURE_ERPLOG; else { MESSAGE(KERN_WARNING, "unsupported feature: %*s, " @@ -709,6 +711,52 @@ dasd_ro_store(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR(readonly, 0644, dasd_ro_show, dasd_ro_store); +/* + * erplog controls the logging of ERP related data + * (e.g. failing channel programs). + */ +static ssize_t +dasd_erplog_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct dasd_devmap *devmap; + int erplog; + + devmap = dasd_find_busid(dev->bus_id); + if (!IS_ERR(devmap)) + erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0; + else + erplog = (DASD_FEATURE_DEFAULT & DASD_FEATURE_ERPLOG) != 0; + return snprintf(buf, PAGE_SIZE, erplog ? "1\n" : "0\n"); +} + +static ssize_t +dasd_erplog_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct dasd_devmap *devmap; + int val; + char *endp; + + devmap = dasd_devmap_from_cdev(to_ccwdev(dev)); + if (IS_ERR(devmap)) + return PTR_ERR(devmap); + + val = simple_strtoul(buf, &endp, 0); + if (((endp + 1) < (buf + count)) || (val > 1)) + return -EINVAL; + + spin_lock(&dasd_devmap_lock); + if (val) + devmap->features |= DASD_FEATURE_ERPLOG; + else + devmap->features &= ~DASD_FEATURE_ERPLOG; + if (devmap->device) + devmap->device->features = devmap->features; + spin_unlock(&dasd_devmap_lock); + return count; +} + +static DEVICE_ATTR(erplog, 0644, dasd_erplog_show, dasd_erplog_store); /* * use_diag controls whether the driver should use diag rather than ssch @@ -896,6 +944,7 @@ static struct attribute * dasd_attrs[] = { &dev_attr_uid.attr, &dev_attr_use_diag.attr, &dev_attr_eer_enabled.attr, + &dev_attr_erplog.attr, NULL, }; diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index dc5dd509434..fb725e3b08f 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -13,10 +13,6 @@ #ifdef __KERNEL__ -/* erp debugging in dasd.c and dasd_3990_erp.c */ -#define ERP_DEBUG - - /* we keep old device allocation scheme; IOW, minors are still in 0..255 */ #define DASD_PER_MAJOR (1U << (MINORBITS - DASD_PARTN_BITS)) #define DASD_PARTN_MASK ((1 << DASD_PARTN_BITS) - 1) -- cgit v1.2.3 From 34249d0f9243fce773c2fa352934ba108320e234 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Fri, 8 Dec 2006 15:54:18 +0100 Subject: [S390] runtime switch for qdio performance statistics Remove CONFIG_QETH_PERF_STATS and use a sysfs attribute instead. We want to have the ability to turn the statistics on/off at runtime. Signed-off-by: Ursula Braun Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio.c | 226 ++++++++++++++++++++++++++---------------------- drivers/s390/cio/qdio.h | 28 +++--- 2 files changed, 135 insertions(+), 119 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index d066dbf2c65..9d4ea449a60 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -46,6 +46,7 @@ #include #include +#include #include #include "cio.h" @@ -65,12 +66,12 @@ MODULE_LICENSE("GPL"); /******************** HERE WE GO ***********************************/ static const char version[] = "QDIO base support version 2"; +extern struct bus_type ccw_bus_type; -#ifdef QDIO_PERFORMANCE_STATS +static int qdio_performance_stats = 0; static int proc_perf_file_registration; static unsigned long i_p_c, i_p_nc, o_p_c, o_p_nc, ii_p_c, ii_p_nc; static struct qdio_perf_stats perf_stats; -#endif /* QDIO_PERFORMANCE_STATS */ static int hydra_thinints; static int is_passthrough = 0; @@ -275,9 +276,8 @@ qdio_siga_sync(struct qdio_q *q, unsigned int gpr2, QDIO_DBF_TEXT4(0,trace,"sigasync"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.siga_syncs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.siga_syncs++; cc = do_siga_sync(q->schid, gpr2, gpr3); if (cc) @@ -322,9 +322,8 @@ qdio_siga_output(struct qdio_q *q) __u32 busy_bit; __u64 start_time=0; -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.siga_outs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.siga_outs++; QDIO_DBF_TEXT4(0,trace,"sigaout"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); @@ -358,9 +357,8 @@ qdio_siga_input(struct qdio_q *q) QDIO_DBF_TEXT4(0,trace,"sigain"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.siga_ins++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.siga_ins++; cc = do_siga_input(q->schid, q->mask); @@ -954,9 +952,8 @@ __qdio_outbound_processing(struct qdio_q *q) if (unlikely(qdio_reserve_q(q))) { qdio_release_q(q); -#ifdef QDIO_PERFORMANCE_STATS - o_p_c++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + o_p_c++; /* as we're sissies, we'll check next time */ if (likely(!atomic_read(&q->is_in_shutdown))) { qdio_mark_q(q); @@ -964,10 +961,10 @@ __qdio_outbound_processing(struct qdio_q *q) } return; } -#ifdef QDIO_PERFORMANCE_STATS - o_p_nc++; - perf_stats.tl_runs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + o_p_nc++; + perf_stats.tl_runs++; + } /* see comment in qdio_kick_outbound_q */ siga_attempts=atomic_read(&q->busy_siga_counter); @@ -1142,15 +1139,16 @@ qdio_has_inbound_q_moved(struct qdio_q *q) { int i; -#ifdef QDIO_PERFORMANCE_STATS static int old_pcis=0; static int old_thinints=0; - if ((old_pcis==perf_stats.pcis)&&(old_thinints==perf_stats.thinints)) - perf_stats.start_time_inbound=NOW; - else - old_pcis=perf_stats.pcis; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + if ((old_pcis==perf_stats.pcis)&& + (old_thinints==perf_stats.thinints)) + perf_stats.start_time_inbound=NOW; + else + old_pcis=perf_stats.pcis; + } i=qdio_get_inbound_buffer_frontier(q); if ( (i!=GET_SAVED_FRONTIER(q)) || @@ -1340,10 +1338,10 @@ qdio_kick_inbound_handler(struct qdio_q *q) q->siga_error=0; q->error_status_flags=0; -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.inbound_time+=NOW-perf_stats.start_time_inbound; - perf_stats.inbound_cnt++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + perf_stats.inbound_time+=NOW-perf_stats.start_time_inbound; + perf_stats.inbound_cnt++; + } } static inline void @@ -1363,9 +1361,8 @@ __tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set) */ if (unlikely(qdio_reserve_q(q))) { qdio_release_q(q); -#ifdef QDIO_PERFORMANCE_STATS - ii_p_c++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + ii_p_c++; /* * as we might just be about to stop polling, we make * sure that we check again at least once more @@ -1373,9 +1370,8 @@ __tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set) tiqdio_sched_tl(); return; } -#ifdef QDIO_PERFORMANCE_STATS - ii_p_nc++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + ii_p_nc++; if (unlikely(atomic_read(&q->is_in_shutdown))) { qdio_unmark_q(q); goto out; @@ -1416,11 +1412,11 @@ __tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set) irq_ptr = (struct qdio_irq*)q->irq_ptr; for (i=0;ino_output_qs;i++) { oq = irq_ptr->output_qs[i]; -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.tl_runs--; -#endif /* QDIO_PERFORMANCE_STATS */ - if (!qdio_is_outbound_q_done(oq)) + if (!qdio_is_outbound_q_done(oq)) { + if (qdio_performance_stats) + perf_stats.tl_runs--; __qdio_outbound_processing(oq); + } } } @@ -1457,9 +1453,8 @@ __qdio_inbound_processing(struct qdio_q *q) if (unlikely(qdio_reserve_q(q))) { qdio_release_q(q); -#ifdef QDIO_PERFORMANCE_STATS - i_p_c++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + i_p_c++; /* as we're sissies, we'll check next time */ if (likely(!atomic_read(&q->is_in_shutdown))) { qdio_mark_q(q); @@ -1467,10 +1462,10 @@ __qdio_inbound_processing(struct qdio_q *q) } return; } -#ifdef QDIO_PERFORMANCE_STATS - i_p_nc++; - perf_stats.tl_runs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + i_p_nc++; + perf_stats.tl_runs++; + } again: if (qdio_has_inbound_q_moved(q)) { @@ -1516,9 +1511,8 @@ tiqdio_reset_processing_state(struct qdio_q *q, int q_laps) if (unlikely(qdio_reserve_q(q))) { qdio_release_q(q); -#ifdef QDIO_PERFORMANCE_STATS - ii_p_c++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + ii_p_c++; /* * as we might just be about to stop polling, we make * sure that we check again at least once more @@ -1609,9 +1603,8 @@ tiqdio_tl(unsigned long data) { QDIO_DBF_TEXT4(0,trace,"iqdio_tl"); -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.tl_runs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.tl_runs++; tiqdio_inbound_checks(); } @@ -1918,10 +1911,10 @@ tiqdio_thinint_handler(void) { QDIO_DBF_TEXT4(0,trace,"thin_int"); -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.thinints++; - perf_stats.start_time_inbound=NOW; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + perf_stats.thinints++; + perf_stats.start_time_inbound=NOW; + } /* SVS only when needed: * issue SVS to benefit from iqdio interrupt avoidance @@ -1976,18 +1969,17 @@ qdio_handle_pci(struct qdio_irq *irq_ptr) int i; struct qdio_q *q; -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.pcis++; - perf_stats.start_time_inbound=NOW; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + perf_stats.pcis++; + perf_stats.start_time_inbound=NOW; + } for (i=0;ino_input_qs;i++) { q=irq_ptr->input_qs[i]; if (q->is_input_q&QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT) qdio_mark_q(q); else { -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.tl_runs--; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.tl_runs--; __qdio_inbound_processing(q); } } @@ -1995,11 +1987,10 @@ qdio_handle_pci(struct qdio_irq *irq_ptr) return; for (i=0;ino_output_qs;i++) { q=irq_ptr->output_qs[i]; -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.tl_runs--; -#endif /* QDIO_PERFORMANCE_STATS */ if (qdio_is_outbound_q_done(q)) continue; + if (qdio_performance_stats) + perf_stats.tl_runs--; if (!irq_ptr->sync_done_on_outb_pcis) SYNC_MEMORY; __qdio_outbound_processing(q); @@ -3460,19 +3451,18 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; /* This is the outbound handling of queues */ -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.start_time_outbound=NOW; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.start_time_outbound=NOW; qdio_do_qdio_fill_output(q,qidx,count,buffers); used_elements=atomic_add_return(count, &q->number_of_buffers_used) - count; if (callflags&QDIO_FLAG_DONT_SIGA) { -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.outbound_time+=NOW-perf_stats.start_time_outbound; - perf_stats.outbound_cnt++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + perf_stats.outbound_time+=NOW-perf_stats.start_time_outbound; + perf_stats.outbound_cnt++; + } return; } if (q->is_iqdio_q) { @@ -3502,9 +3492,8 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, qdio_kick_outbound_q(q); } else { QDIO_DBF_TEXT3(0,trace, "fast-req"); -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.fast_reqs++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) + perf_stats.fast_reqs++; } } /* @@ -3515,10 +3504,10 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, __qdio_outbound_processing(q); } -#ifdef QDIO_PERFORMANCE_STATS - perf_stats.outbound_time+=NOW-perf_stats.start_time_outbound; - perf_stats.outbound_cnt++; -#endif /* QDIO_PERFORMANCE_STATS */ + if (qdio_performance_stats) { + perf_stats.outbound_time+=NOW-perf_stats.start_time_outbound; + perf_stats.outbound_cnt++; + } } /* count must be 1 in iqdio */ @@ -3576,7 +3565,6 @@ do_QDIO(struct ccw_device *cdev,unsigned int callflags, return 0; } -#ifdef QDIO_PERFORMANCE_STATS static int qdio_perf_procfile_read(char *buffer, char **buffer_location, off_t offset, int buffer_length, int *eof, void *data) @@ -3592,29 +3580,29 @@ qdio_perf_procfile_read(char *buffer, char **buffer_location, off_t offset, _OUTP_IT("i_p_nc/c=%lu/%lu\n",i_p_nc,i_p_c); _OUTP_IT("ii_p_nc/c=%lu/%lu\n",ii_p_nc,ii_p_c); _OUTP_IT("o_p_nc/c=%lu/%lu\n",o_p_nc,o_p_c); - _OUTP_IT("Number of tasklet runs (total) : %u\n", + _OUTP_IT("Number of tasklet runs (total) : %lu\n", perf_stats.tl_runs); _OUTP_IT("\n"); - _OUTP_IT("Number of SIGA sync's issued : %u\n", + _OUTP_IT("Number of SIGA sync's issued : %lu\n", perf_stats.siga_syncs); - _OUTP_IT("Number of SIGA in's issued : %u\n", + _OUTP_IT("Number of SIGA in's issued : %lu\n", perf_stats.siga_ins); - _OUTP_IT("Number of SIGA out's issued : %u\n", + _OUTP_IT("Number of SIGA out's issued : %lu\n", perf_stats.siga_outs); - _OUTP_IT("Number of PCIs caught : %u\n", + _OUTP_IT("Number of PCIs caught : %lu\n", perf_stats.pcis); - _OUTP_IT("Number of adapter interrupts caught : %u\n", + _OUTP_IT("Number of adapter interrupts caught : %lu\n", perf_stats.thinints); - _OUTP_IT("Number of fast requeues (outg. SBALs w/o SIGA) : %u\n", + _OUTP_IT("Number of fast requeues (outg. SBALs w/o SIGA) : %lu\n", perf_stats.fast_reqs); _OUTP_IT("\n"); - _OUTP_IT("Total time of all inbound actions (us) incl. UL : %u\n", + _OUTP_IT("Total time of all inbound actions (us) incl. UL : %lu\n", perf_stats.inbound_time); - _OUTP_IT("Number of inbound transfers : %u\n", + _OUTP_IT("Number of inbound transfers : %lu\n", perf_stats.inbound_cnt); - _OUTP_IT("Total time of all outbound do_QDIOs (us) : %u\n", + _OUTP_IT("Total time of all outbound do_QDIOs (us) : %lu\n", perf_stats.outbound_time); - _OUTP_IT("Number of do_QDIOs outbound : %u\n", + _OUTP_IT("Number of do_QDIOs outbound : %lu\n", perf_stats.outbound_cnt); _OUTP_IT("\n"); @@ -3622,12 +3610,10 @@ qdio_perf_procfile_read(char *buffer, char **buffer_location, off_t offset, } static struct proc_dir_entry *qdio_perf_proc_file; -#endif /* QDIO_PERFORMANCE_STATS */ static void qdio_add_procfs_entry(void) { -#ifdef QDIO_PERFORMANCE_STATS proc_perf_file_registration=0; qdio_perf_proc_file=create_proc_entry(QDIO_PERF, S_IFREG|0444,&proc_root); @@ -3639,20 +3625,58 @@ qdio_add_procfs_entry(void) QDIO_PRINT_WARN("was not able to register perf. " \ "proc-file (%i).\n", proc_perf_file_registration); -#endif /* QDIO_PERFORMANCE_STATS */ } static void qdio_remove_procfs_entry(void) { -#ifdef QDIO_PERFORMANCE_STATS perf_stats.tl_runs=0; if (!proc_perf_file_registration) /* means if it went ok earlier */ remove_proc_entry(QDIO_PERF,&proc_root); -#endif /* QDIO_PERFORMANCE_STATS */ } +/** + * attributes in sysfs + *****************************************************************************/ + +static ssize_t +qdio_performance_stats_show(struct bus_type *bus, char *buf) +{ + return sprintf(buf, "%i\n", qdio_performance_stats ? 1 : 0); +} + +static ssize_t +qdio_performance_stats_store(struct bus_type *bus, const char *buf, size_t count) +{ + char *tmp; + int i; + + i = simple_strtoul(buf, &tmp, 16); + if ((i == 0) || (i == 1)) { + if (i == qdio_performance_stats) + return count; + qdio_performance_stats = i; + if (i==0) { + /* reset perf. stat. info */ + i_p_nc = 0; + i_p_c = 0; + ii_p_nc = 0; + ii_p_c = 0; + o_p_nc = 0; + o_p_c = 0; + memset(&perf_stats, 0, sizeof(struct qdio_perf_stats)); + } + } else { + QDIO_PRINT_WARN("QDIO performance_stats: write 0 or 1 to this file!\n"); + return -EINVAL; + } + return count; +} + +static BUS_ATTR(qdio_performance_stats, 0644, qdio_performance_stats_show, + qdio_performance_stats_store); + static void tiqdio_register_thinints(void) { @@ -3697,6 +3721,7 @@ qdio_release_qdio_memory(void) kfree(indicators); } + static void qdio_unregister_dbf_views(void) { @@ -3798,9 +3823,7 @@ static int __init init_QDIO(void) { int res; -#ifdef QDIO_PERFORMANCE_STATS void *ptr; -#endif /* QDIO_PERFORMANCE_STATS */ printk("qdio: loading %s\n",version); @@ -3813,13 +3836,12 @@ init_QDIO(void) return res; QDIO_DBF_TEXT0(0,setup,"initQDIO"); + res = bus_create_file(&ccw_bus_type, &bus_attr_qdio_performance_stats); -#ifdef QDIO_PERFORMANCE_STATS - memset((void*)&perf_stats,0,sizeof(perf_stats)); + memset((void*)&perf_stats,0,sizeof(perf_stats)); QDIO_DBF_TEXT0(0,setup,"perfstat"); ptr=&perf_stats; QDIO_DBF_HEX0(0,setup,&ptr,sizeof(void*)); -#endif /* QDIO_PERFORMANCE_STATS */ qdio_add_procfs_entry(); @@ -3843,7 +3865,7 @@ cleanup_QDIO(void) qdio_release_qdio_memory(); qdio_unregister_dbf_views(); mempool_destroy(qdio_mempool_scssc); - + bus_remove_file(&ccw_bus_type, &bus_attr_qdio_performance_stats); printk("qdio: %s: module removed\n",version); } diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 42927c1b745..ec9af72b2af 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -12,10 +12,6 @@ #endif /* CONFIG_QDIO_DEBUG */ #define QDIO_USE_PROCESSING_STATE -#ifdef CONFIG_QDIO_PERF_STATS -#define QDIO_PERFORMANCE_STATS -#endif /* CONFIG_QDIO_PERF_STATS */ - #define QDIO_MINIMAL_BH_RELIEF_TIME 16 #define QDIO_TIMER_POLL_VALUE 1 #define IQDIO_TIMER_POLL_VALUE 1 @@ -409,25 +405,23 @@ do_clear_global_summary(void) #define CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS 0x08 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS 0x04 -#ifdef QDIO_PERFORMANCE_STATS struct qdio_perf_stats { - unsigned int tl_runs; + unsigned long tl_runs; - unsigned int siga_outs; - unsigned int siga_ins; - unsigned int siga_syncs; - unsigned int pcis; - unsigned int thinints; - unsigned int fast_reqs; + unsigned long siga_outs; + unsigned long siga_ins; + unsigned long siga_syncs; + unsigned long pcis; + unsigned long thinints; + unsigned long fast_reqs; __u64 start_time_outbound; - unsigned int outbound_cnt; - unsigned int outbound_time; + unsigned long outbound_cnt; + unsigned long outbound_time; __u64 start_time_inbound; - unsigned int inbound_cnt; - unsigned int inbound_time; + unsigned long inbound_cnt; + unsigned long inbound_time; }; -#endif /* QDIO_PERFORMANCE_STATS */ /* unlikely as the later the better */ #define SYNC_MEMORY if (unlikely(q->siga_sync)) qdio_siga_sync_q(q) -- cgit v1.2.3 From 7674da77cb2d27ae6559c55151da171ceb02beb4 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 8 Dec 2006 15:54:21 +0100 Subject: [S390] Some preparations for the dynamic subchannel mapping patch. - Move adding subchannel attributes to css_register_subchannel(). - Don't call device_trigger_reprobe() for non-operational devices. - Introduce io_subchannel_create_ccwdev(). Signed-off-by: Cornelia Huck Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/css.c | 13 +++-- drivers/s390/cio/css.h | 2 + drivers/s390/cio/device.c | 107 +++++++++++++++++++++++++----------------- drivers/s390/cio/device_fsm.c | 3 +- 4 files changed, 78 insertions(+), 47 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 26cf2f5ae2e..55895c83d49 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -135,14 +135,19 @@ css_register_subchannel(struct subchannel *sch) sch->dev.parent = &css[0]->device; sch->dev.bus = &css_bus_type; sch->dev.release = &css_subchannel_release; - + /* make it known to the system */ ret = css_sch_device_register(sch); - if (ret) + if (ret) { printk (KERN_WARNING "%s: could not register %s\n", __func__, sch->dev.bus_id); - else - css_get_ssd_info(sch); + return ret; + } + css_get_ssd_info(sch); + ret = subchannel_add_files(&sch->dev); + if (ret) + printk(KERN_WARNING "%s: could not add attributes to %s\n", + __func__, sch->dev.bus_id); return ret; } diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index dfd5462f993..ac845c1ebf8 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -189,4 +189,6 @@ extern int need_rescan; extern struct workqueue_struct *slow_path_wq; extern struct work_struct slow_path_work; + +int subchannel_add_files (struct device *); #endif diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 0f604621de4..e644fd6905e 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -294,6 +294,18 @@ online_show (struct device *dev, struct device_attribute *attr, char *buf) return sprintf(buf, cdev->online ? "1\n" : "0\n"); } +static void ccw_device_unregister(struct work_struct *work) +{ + struct ccw_device_private *priv; + struct ccw_device *cdev; + + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; + if (test_and_clear_bit(1, &cdev->private->registered)) + device_unregister(&cdev->dev); + put_device(&cdev->dev); +} + static void ccw_device_remove_disconnected(struct ccw_device *cdev) { @@ -498,8 +510,7 @@ static struct attribute_group subch_attr_group = { .attrs = subch_attrs, }; -static inline int -subchannel_add_files (struct device *dev) +int subchannel_add_files (struct device *dev) { return sysfs_create_group(&dev->kobj, &subch_attr_group); } @@ -676,6 +687,55 @@ ccw_device_release(struct device *dev) kfree(cdev); } +static struct ccw_device * io_subchannel_allocate_dev(struct subchannel *sch) +{ + struct ccw_device *cdev; + + cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); + if (cdev) { + cdev->private = kzalloc(sizeof(struct ccw_device_private), + GFP_KERNEL | GFP_DMA); + if (cdev->private) + return cdev; + } + kfree(cdev); + return ERR_PTR(-ENOMEM); +} + +static int io_subchannel_initialize_dev(struct subchannel *sch, + struct ccw_device *cdev) +{ + cdev->private->cdev = cdev; + atomic_set(&cdev->private->onoff, 0); + cdev->dev.parent = &sch->dev; + cdev->dev.release = ccw_device_release; + INIT_LIST_HEAD(&cdev->private->kick_work.entry); + /* Do first half of device_register. */ + device_initialize(&cdev->dev); + if (!get_device(&sch->dev)) { + if (cdev->dev.release) + cdev->dev.release(&cdev->dev); + return -ENODEV; + } + return 0; +} + +static struct ccw_device * io_subchannel_create_ccwdev(struct subchannel *sch) +{ + struct ccw_device *cdev; + int ret; + + cdev = io_subchannel_allocate_dev(sch); + if (!IS_ERR(cdev)) { + ret = io_subchannel_initialize_dev(sch, cdev); + if (ret) { + kfree(cdev); + cdev = ERR_PTR(ret); + } + } + return cdev; +} + /* * Register recognized device. */ @@ -724,11 +784,6 @@ io_subchannel_register(struct work_struct *work) wake_up(&ccw_device_init_wq); return; } - - ret = subchannel_add_files(cdev->dev.parent); - if (ret) - printk(KERN_WARNING "%s: could not add attributes to %s\n", - __func__, sch->dev.bus_id); put_device(&cdev->dev); out: cdev->private->flags.recog_done = 1; @@ -851,7 +906,6 @@ io_subchannel_probe (struct subchannel *sch) cdev = sch->dev.driver_data; device_initialize(&cdev->dev); ccw_device_register(cdev); - subchannel_add_files(&sch->dev); /* * Check if the device is already online. If it is * the reference count needs to be corrected @@ -864,28 +918,9 @@ io_subchannel_probe (struct subchannel *sch) get_device(&cdev->dev); return 0; } - cdev = kzalloc (sizeof(*cdev), GFP_KERNEL); - if (!cdev) - return -ENOMEM; - cdev->private = kzalloc(sizeof(struct ccw_device_private), - GFP_KERNEL | GFP_DMA); - if (!cdev->private) { - kfree(cdev); - return -ENOMEM; - } - cdev->private->cdev = cdev; - atomic_set(&cdev->private->onoff, 0); - cdev->dev.parent = &sch->dev; - cdev->dev.release = ccw_device_release; - INIT_LIST_HEAD(&cdev->private->kick_work.entry); - /* Do first half of device_register. */ - device_initialize(&cdev->dev); - - if (!get_device(&sch->dev)) { - if (cdev->dev.release) - cdev->dev.release(&cdev->dev); - return -ENODEV; - } + cdev = io_subchannel_create_ccwdev(sch); + if (IS_ERR(cdev)) + return PTR_ERR(cdev); rc = io_subchannel_recog(cdev, sch); if (rc) { @@ -899,18 +934,6 @@ io_subchannel_probe (struct subchannel *sch) return rc; } -static void ccw_device_unregister(struct work_struct *work) -{ - struct ccw_device_private *priv; - struct ccw_device *cdev; - - priv = container_of(work, struct ccw_device_private, kick_work); - cdev = priv->cdev; - if (test_and_clear_bit(1, &cdev->private->registered)) - device_unregister(&cdev->dev); - put_device(&cdev->dev); -} - static int io_subchannel_remove (struct subchannel *sch) { diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 0f0301ce37f..a487fb0e7d3 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -1106,7 +1106,8 @@ device_trigger_reprobe(struct subchannel *sch) /* Update some values. */ if (stsch(sch->schid, &sch->schib)) return; - + if (!sch->schib.pmcw.dnv) + return; /* * The pim, pam, pom values may not be accurate, but they are the best * we have before performing device selection :/ -- cgit v1.2.3 From 2ec2298412e1ab4674b3780005058d4f0b8bd858 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 8 Dec 2006 15:54:26 +0100 Subject: [S390] subchannel lock conversion. Convert the subchannel lock to a pointer to a lock. Needed for the dynamic subchannel mapping patch. Signed-off-by: Cornelia Huck Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.c | 28 ++++++++++----------- drivers/s390/cio/cio.c | 58 ++++++++++++++++++++++++++++++------------- drivers/s390/cio/cio.h | 4 ++- drivers/s390/cio/css.c | 22 ++++++++-------- drivers/s390/cio/device.c | 21 ++++++++++------ drivers/s390/cio/device_ops.c | 28 ++++++++++----------- 6 files changed, 98 insertions(+), 63 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index dbfb77b0392..cbab8d2ce5c 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -183,7 +183,7 @@ css_get_ssd_info(struct subchannel *sch) page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!page) return -ENOMEM; - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); ret = chsc_get_sch_desc_irq(sch, page); if (ret) { static int cio_chsc_err_msg; @@ -197,7 +197,7 @@ css_get_ssd_info(struct subchannel *sch) cio_chsc_err_msg = 1; } } - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); free_page((unsigned long)page); if (!ret) { int j, chpid, mask; @@ -233,7 +233,7 @@ s390_subchannel_remove_chpid(struct device *dev, void *data) if (j >= 8) return 0; - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); stsch(sch->schid, &schib); if (!schib.pmcw.dnv) @@ -265,10 +265,10 @@ s390_subchannel_remove_chpid(struct device *dev, void *data) else if (sch->lpm == mask) goto out_unreg; out_unlock: - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); return 0; out_unreg: - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); sch->lpm = 0; if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); @@ -378,12 +378,12 @@ __s390_process_res_acc(struct subchannel_id schid, void *data) /* Check if a subchannel is newly available. */ return s390_process_res_acc_new_sch(schid); - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); chp_mask = s390_process_res_acc_sch(res_data, sch); if (chp_mask == 0) { - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); put_device(&sch->dev); return 0; } @@ -397,7 +397,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data) else if (sch->driver && sch->driver->verify) sch->driver->verify(&sch->dev); - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); put_device(&sch->dev); return 0; } @@ -635,21 +635,21 @@ __chp_add(struct subchannel_id schid, void *data) if (!sch) /* Check if the subchannel is now available. */ return __chp_add_new_sch(schid); - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); for (i=0; i<8; i++) { mask = 0x80 >> i; if ((sch->schib.pmcw.pim & mask) && (sch->schib.pmcw.chpid[i] == chp->id)) { if (stsch(sch->schid, &sch->schib) != 0) { /* Endgame. */ - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); return -ENXIO; } break; } } if (i==8) { - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); return 0; } sch->lpm = ((sch->schib.pmcw.pim & @@ -660,7 +660,7 @@ __chp_add(struct subchannel_id schid, void *data) if (sch->driver && sch->driver->verify) sch->driver->verify(&sch->dev); - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); put_device(&sch->dev); return 0; } @@ -750,7 +750,7 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) if (!sch->ssd_info.valid) return; - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); old_lpm = sch->lpm; for (chp = 0; chp < 8; chp++) { if (sch->ssd_info.chpid[chp] != chpid) @@ -785,7 +785,7 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) sch->driver->verify(&sch->dev); break; } - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); } static int diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 20aee278384..e8d331493fd 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -143,11 +143,11 @@ cio_tpi(void) return 1; local_bh_disable(); irq_enter (); - spin_lock(&sch->lock); + spin_lock(sch->lock); memcpy (&sch->schib.scsw, &irb->scsw, sizeof (struct scsw)); if (sch->driver && sch->driver->irq) sch->driver->irq(&sch->dev); - spin_unlock(&sch->lock); + spin_unlock(sch->lock); irq_exit (); _local_bh_enable(); return 1; @@ -496,6 +496,15 @@ cio_disable_subchannel (struct subchannel *sch) return ret; } +static int cio_create_sch_lock(struct subchannel *sch) +{ + sch->lock = kmalloc(sizeof(spinlock_t), GFP_KERNEL); + if (!sch->lock) + return -ENOMEM; + spin_lock_init(sch->lock); + return 0; +} + /* * cio_validate_subchannel() * @@ -513,6 +522,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) { char dbf_txt[15]; int ccode; + int err; sprintf (dbf_txt, "valsch%x", schid.sch_no); CIO_TRACE_EVENT (4, dbf_txt); @@ -520,9 +530,15 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) /* Nuke all fields. */ memset(sch, 0, sizeof(struct subchannel)); - spin_lock_init(&sch->lock); + sch->schid = schid; + if (cio_is_console(schid)) { + sch->lock = cio_get_console_lock(); + } else { + err = cio_create_sch_lock(sch); + if (err) + goto out; + } mutex_init(&sch->reg_mutex); - /* Set a name for the subchannel */ snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid, schid.sch_no); @@ -534,10 +550,10 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) * is not valid. */ ccode = stsch_err (schid, &sch->schib); - if (ccode) - return (ccode == 3) ? -ENXIO : ccode; - - sch->schid = schid; + if (ccode) { + err = (ccode == 3) ? -ENXIO : ccode; + goto out; + } /* Copy subchannel type from path management control word. */ sch->st = sch->schib.pmcw.st; @@ -550,14 +566,16 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) "non-I/O subchannel type %04X\n", sch->schid.ssid, sch->schid.sch_no, sch->st); /* We stop here for non-io subchannels. */ - return sch->st; + err = sch->st; + goto out; } /* Initialization for io subchannels. */ - if (!sch->schib.pmcw.dnv) + if (!sch->schib.pmcw.dnv) { /* io subchannel but device number is invalid. */ - return -ENODEV; - + err = -ENODEV; + goto out; + } /* Devno is valid. */ if (is_blacklisted (sch->schid.ssid, sch->schib.pmcw.dev)) { /* @@ -567,7 +585,8 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) CIO_MSG_EVENT(0, "Blacklisted device detected " "at devno %04X, subchannel set %x\n", sch->schib.pmcw.dev, sch->schid.ssid); - return -ENODEV; + err = -ENODEV; + goto out; } sch->opm = 0xff; if (!cio_is_console(sch->schid)) @@ -595,6 +614,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) if ((sch->lpm & (sch->lpm - 1)) != 0) sch->schib.pmcw.mp = 1; /* multipath mode */ return 0; +out: + if (!cio_is_console(schid)) + kfree(sch->lock); + sch->lock = NULL; + return err; } /* @@ -637,7 +661,7 @@ do_IRQ (struct pt_regs *regs) } sch = (struct subchannel *)(unsigned long)tpi_info->intparm; if (sch) - spin_lock(&sch->lock); + spin_lock(sch->lock); /* Store interrupt response block to lowcore. */ if (tsch (tpi_info->schid, irb) == 0 && sch) { /* Keep subchannel information word up to date. */ @@ -648,7 +672,7 @@ do_IRQ (struct pt_regs *regs) sch->driver->irq(&sch->dev); } if (sch) - spin_unlock(&sch->lock); + spin_unlock(sch->lock); /* * Are more interrupts pending? * If so, the tpi instruction will update the lowcore @@ -687,10 +711,10 @@ wait_cons_dev (void) __ctl_load (cr6, 6, 6); do { - spin_unlock(&console_subchannel.lock); + spin_unlock(console_subchannel.lock); if (!cio_tpi()) cpu_relax(); - spin_lock(&console_subchannel.lock); + spin_lock(console_subchannel.lock); } while (console_subchannel.schib.scsw.actl != 0); /* * restore previous isc value diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 4541c1af4b6..7e7369b21a9 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -87,7 +87,7 @@ struct orb { /* subchannel data structure used by I/O subroutines */ struct subchannel { struct subchannel_id schid; - spinlock_t lock; /* subchannel lock */ + spinlock_t *lock; /* subchannel lock */ struct mutex reg_mutex; enum { SUBCHANNEL_TYPE_IO = 0, @@ -137,9 +137,11 @@ extern struct subchannel *cio_probe_console(void); extern void cio_release_console(void); extern int cio_is_console(struct subchannel_id); extern struct subchannel *cio_get_console_subchannel(void); +extern spinlock_t * cio_get_console_lock(void); #else #define cio_is_console(schid) 0 #define cio_get_console_subchannel() NULL +#define cio_get_console_lock() NULL; #endif extern int cio_show_msg; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 55895c83d49..65939e2eb41 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -91,9 +91,9 @@ css_free_subchannel(struct subchannel *sch) /* Reset intparm to zeroes. */ sch->schib.pmcw.intparm = 0; cio_modify(sch); + kfree(sch->lock); kfree(sch); } - } static void @@ -102,8 +102,10 @@ css_subchannel_release(struct device *dev) struct subchannel *sch; sch = to_subchannel(dev); - if (!cio_is_console(sch->schid)) + if (!cio_is_console(sch->schid)) { + kfree(sch->lock); kfree(sch); + } } extern int css_get_ssd_info(struct subchannel *sch); @@ -206,18 +208,18 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow) unsigned long flags; enum { NONE, UNREGISTER, UNREGISTER_PROBE, REPROBE } action; - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); disc = device_is_disconnected(sch); if (disc && slow) { /* Disconnected devices are evaluated directly only.*/ - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); return 0; } /* No interrupt after machine check - kill pending timers. */ device_kill_pending_timer(sch); if (!disc && !slow) { /* Non-disconnected devices are evaluated on the slow path. */ - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); return -EAGAIN; } event = css_get_subchannel_status(sch); @@ -242,9 +244,9 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow) /* Ask driver what to do with device. */ action = UNREGISTER; if (sch->driver && sch->driver->notify) { - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); ret = sch->driver->notify(&sch->dev, event); - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); if (ret) action = NONE; } @@ -269,9 +271,9 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow) case UNREGISTER: case UNREGISTER_PROBE: /* Unregister device (will use subchannel lock). */ - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); css_sch_device_unregister(sch); - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); /* Reset intparm to zeroes. */ sch->schib.pmcw.intparm = 0; @@ -283,7 +285,7 @@ static int css_evaluate_known_subchannel(struct subchannel *sch, int slow) default: break; } - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); /* Probe if necessary. */ if (action == UNREGISTER_PROBE) ret = css_probe_device(sch->schid); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index e644fd6905e..9a31239fe02 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -774,9 +774,9 @@ io_subchannel_register(struct work_struct *work) printk (KERN_WARNING "%s: could not register %s\n", __func__, cdev->dev.bus_id); put_device(&cdev->dev); - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); sch->dev.driver_data = NULL; - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); kfree (cdev->private); kfree (cdev); put_device(&sch->dev); @@ -860,7 +860,7 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) sch->dev.driver_data = cdev; sch->driver = &io_subchannel_driver; - cdev->ccwlock = &sch->lock; + cdev->ccwlock = sch->lock; /* Init private data. */ priv = cdev->private; @@ -880,9 +880,9 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) atomic_inc(&ccw_device_init_count); /* Start async. device sensing. */ - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); rc = ccw_device_recognition(cdev); - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); if (rc) { if (atomic_dec_and_test(&ccw_device_init_count)) wake_up(&ccw_device_init_wq); @@ -924,9 +924,9 @@ io_subchannel_probe (struct subchannel *sch) rc = io_subchannel_recog(cdev, sch); if (rc) { - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); sch->dev.driver_data = NULL; - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); if (cdev->dev.release) cdev->dev.release(&cdev->dev); } @@ -1036,6 +1036,13 @@ static struct ccw_device console_cdev; static struct ccw_device_private console_private; static int console_cdev_in_use; +static DEFINE_SPINLOCK(ccw_console_lock); + +spinlock_t * cio_get_console_lock(void) +{ + return &ccw_console_lock; +} + static int ccw_device_console_enable (struct ccw_device *cdev, struct subchannel *sch) { diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index b39c1fa48ac..d269607336e 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -316,9 +316,9 @@ __ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, _ ccw_device_set_timeout(cdev, 0); if (ret == -EBUSY) { /* Try again later. */ - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); msleep(10); - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); continue; } if (ret != 0) @@ -326,12 +326,12 @@ __ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, _ break; /* Wait for end of request. */ cdev->private->intparm = magic; - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); wait_event(cdev->private->wait_q, (cdev->private->intparm == -EIO) || (cdev->private->intparm == -EAGAIN) || (cdev->private->intparm == 0)); - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); /* Check at least for channel end / device end */ if (cdev->private->intparm == -EIO) { /* Non-retryable error. */ @@ -342,9 +342,9 @@ __ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, _ /* Success. */ break; /* Try again later. */ - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); msleep(10); - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); } while (1); return ret; @@ -389,7 +389,7 @@ read_dev_chars (struct ccw_device *cdev, void **buffer, int length) return ret; } - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); /* Save interrupt handler. */ handler = cdev->handler; /* Temporarily install own handler. */ @@ -406,7 +406,7 @@ read_dev_chars (struct ccw_device *cdev, void **buffer, int length) /* Restore interrupt handler. */ cdev->handler = handler; - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); clear_normalized_cda (rdc_ccw); kfree(rdc_ccw); @@ -463,7 +463,7 @@ read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lp rcd_ccw->count = ciw->count; rcd_ccw->flags = CCW_FLAG_SLI; - spin_lock_irq(&sch->lock); + spin_lock_irq(sch->lock); /* Save interrupt handler. */ handler = cdev->handler; /* Temporarily install own handler. */ @@ -480,7 +480,7 @@ read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lp /* Restore interrupt handler. */ cdev->handler = handler; - spin_unlock_irq(&sch->lock); + spin_unlock_irq(sch->lock); /* * on success we update the user input parms @@ -537,7 +537,7 @@ ccw_device_stlck(struct ccw_device *cdev) kfree(buf); return -ENOMEM; } - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); ret = cio_enable_subchannel(sch, 3); if (ret) goto out_unlock; @@ -559,9 +559,9 @@ ccw_device_stlck(struct ccw_device *cdev) goto out_unlock; } cdev->private->irb.scsw.actl |= SCSW_ACTL_START_PEND; - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); wait_event(cdev->private->wait_q, cdev->private->irb.scsw.actl == 0); - spin_lock_irqsave(&sch->lock, flags); + spin_lock_irqsave(sch->lock, flags); cio_disable_subchannel(sch); //FIXME: return code? if ((cdev->private->irb.scsw.dstat != (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) || @@ -572,7 +572,7 @@ ccw_device_stlck(struct ccw_device *cdev) out_unlock: kfree(buf); kfree(buf2); - spin_unlock_irqrestore(&sch->lock, flags); + spin_unlock_irqrestore(sch->lock, flags); return ret; } -- cgit v1.2.3 From d7b5a4c94f49131811112526f7d404a50f0b5ca7 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 8 Dec 2006 15:54:28 +0100 Subject: [S390] Support for disconnected devices reappearing on another subchannel. - create a 'pseudo_subchannel' per channel subsystem (the 'orphanage') - use the orphanage as a shelter for ccw_devices that can't remain on the same subchannel Signed-off-by: Cornelia Huck Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/cio.c | 6 +- drivers/s390/cio/cio.h | 2 + drivers/s390/cio/css.c | 37 +++++- drivers/s390/cio/css.h | 4 + drivers/s390/cio/device.c | 287 ++++++++++++++++++++++++++++++++++-------- drivers/s390/cio/device.h | 2 + drivers/s390/cio/device_fsm.c | 17 ++- 7 files changed, 296 insertions(+), 59 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index e8d331493fd..7835a714a40 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -415,6 +415,8 @@ cio_enable_subchannel (struct subchannel *sch, unsigned int isc) CIO_TRACE_EVENT (2, "ensch"); CIO_TRACE_EVENT (2, sch->dev.bus_id); + if (sch_is_pseudo_sch(sch)) + return -EINVAL; ccode = stsch (sch->schid, &sch->schib); if (ccode) return -ENODEV; @@ -462,6 +464,8 @@ cio_disable_subchannel (struct subchannel *sch) CIO_TRACE_EVENT (2, "dissch"); CIO_TRACE_EVENT (2, sch->dev.bus_id); + if (sch_is_pseudo_sch(sch)) + return 0; ccode = stsch (sch->schid, &sch->schib); if (ccode == 3) /* Not operational. */ return -ENODEV; @@ -496,7 +500,7 @@ cio_disable_subchannel (struct subchannel *sch) return ret; } -static int cio_create_sch_lock(struct subchannel *sch) +int cio_create_sch_lock(struct subchannel *sch) { sch->lock = kmalloc(sizeof(spinlock_t), GFP_KERNEL); if (!sch->lock) diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 7e7369b21a9..35154a21035 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -131,6 +131,8 @@ extern int cio_set_options (struct subchannel *, int); extern int cio_get_options (struct subchannel *); extern int cio_modify (struct subchannel *); +int cio_create_sch_lock(struct subchannel *); + /* Use with care. */ #ifdef CONFIG_CCW_CONSOLE extern struct subchannel *cio_probe_console(void); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 65939e2eb41..0bf71661937 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -580,12 +580,24 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(cm_enable, 0644, css_cm_enable_show, css_cm_enable_store); -static inline void __init -setup_css(int nr) +static inline int __init setup_css(int nr) { u32 tod_high; + int ret; memset(css[nr], 0, sizeof(struct channel_subsystem)); + css[nr]->pseudo_subchannel = + kzalloc(sizeof(*css[nr]->pseudo_subchannel), GFP_KERNEL); + if (!css[nr]->pseudo_subchannel) + return -ENOMEM; + css[nr]->pseudo_subchannel->dev.parent = &css[nr]->device; + css[nr]->pseudo_subchannel->dev.release = css_subchannel_release; + sprintf(css[nr]->pseudo_subchannel->dev.bus_id, "defunct"); + ret = cio_create_sch_lock(css[nr]->pseudo_subchannel); + if (ret) { + kfree(css[nr]->pseudo_subchannel); + return ret; + } mutex_init(&css[nr]->mutex); css[nr]->valid = 1; css[nr]->cssid = nr; @@ -593,6 +605,7 @@ setup_css(int nr) css[nr]->device.release = channel_subsystem_release; tod_high = (u32) (get_clock() >> 32); css_generate_pgid(css[nr], tod_high); + return 0; } /* @@ -629,10 +642,12 @@ init_channel_subsystem (void) ret = -ENOMEM; goto out_unregister; } - setup_css(i); - ret = device_register(&css[i]->device); + ret = setup_css(i); if (ret) goto out_free; + ret = device_register(&css[i]->device); + if (ret) + goto out_free_all; if (css_characteristics_avail && css_chsc_characteristics.secm) { ret = device_create_file(&css[i]->device, @@ -640,6 +655,9 @@ init_channel_subsystem (void) if (ret) goto out_device; } + ret = device_register(&css[i]->pseudo_subchannel->dev); + if (ret) + goto out_file; } css_init_done = 1; @@ -647,13 +665,19 @@ init_channel_subsystem (void) for_each_subchannel(__init_channel_subsystem, NULL); return 0; +out_file: + device_remove_file(&css[i]->device, &dev_attr_cm_enable); out_device: device_unregister(&css[i]->device); +out_free_all: + kfree(css[i]->pseudo_subchannel->lock); + kfree(css[i]->pseudo_subchannel); out_free: kfree(css[i]); out_unregister: while (i > 0) { i--; + device_unregister(&css[i]->pseudo_subchannel->dev); if (css_characteristics_avail && css_chsc_characteristics.secm) device_remove_file(&css[i]->device, &dev_attr_cm_enable); @@ -665,6 +689,11 @@ out: return ret; } +int sch_is_pseudo_sch(struct subchannel *sch) +{ + return sch == to_css(sch->dev.parent)->pseudo_subchannel; +} + /* * find a driver for a subchannel. They identify by the subchannel * type with the exception that the console subchannel driver has its own diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index ac845c1ebf8..71fe380f86f 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -160,6 +160,8 @@ struct channel_subsystem { int cm_enabled; void *cub_addr1; void *cub_addr2; + /* for orphaned ccw devices */ + struct subchannel *pseudo_subchannel; }; #define to_css(dev) container_of(dev, struct channel_subsystem, device) @@ -187,6 +189,8 @@ void css_clear_subchannel_slow_list(void); int css_slow_subchannels_exist(void); extern int need_rescan; +int sch_is_pseudo_sch(struct subchannel *); + extern struct workqueue_struct *slow_path_wq; extern struct work_struct slow_path_work; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 9a31239fe02..7fe1ccdc781 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -23,6 +23,7 @@ #include /* HZ */ #include "cio.h" +#include "cio_debug.h" #include "css.h" #include "device.h" #include "ioasm.h" @@ -294,6 +295,11 @@ online_show (struct device *dev, struct device_attribute *attr, char *buf) return sprintf(buf, cdev->online ? "1\n" : "0\n"); } +int ccw_device_is_orphan(struct ccw_device *cdev) +{ + return sch_is_pseudo_sch(to_subchannel(cdev->dev.parent)); +} + static void ccw_device_unregister(struct work_struct *work) { struct ccw_device_private *priv; @@ -310,10 +316,23 @@ static void ccw_device_remove_disconnected(struct ccw_device *cdev) { struct subchannel *sch; + unsigned long flags; /* * Forced offline in disconnected state means * 'throw away device'. */ + if (ccw_device_is_orphan(cdev)) { + /* Deregister ccw device. */ + spin_lock_irqsave(cdev->ccwlock, flags); + cdev->private->state = DEV_STATE_NOT_OPER; + spin_unlock_irqrestore(cdev->ccwlock, flags); + if (get_device(&cdev->dev)) { + PREPARE_WORK(&cdev->private->kick_work, + ccw_device_unregister); + queue_work(ccw_device_work, &cdev->private->kick_work); + } + return ; + } sch = to_subchannel(cdev->dev.parent); css_sch_device_unregister(sch); /* Reset intparm to zeroes. */ @@ -474,6 +493,8 @@ available_show (struct device *dev, struct device_attribute *attr, char *buf) struct ccw_device *cdev = to_ccwdev(dev); struct subchannel *sch; + if (ccw_device_is_orphan(cdev)) + return sprintf(buf, "no device\n"); switch (cdev->private->state) { case DEV_STATE_BOXED: return sprintf(buf, "boxed\n"); @@ -574,11 +595,10 @@ match_devno(struct device * dev, void * data) cdev = to_ccwdev(dev); if ((cdev->private->state == DEV_STATE_DISCONNECTED) && + !ccw_device_is_orphan(cdev) && ccw_dev_id_is_equal(&cdev->private->dev_id, &d->dev_id) && - (cdev != d->sibling)) { - cdev->private->state = DEV_STATE_NOT_OPER; + (cdev != d->sibling)) return 1; - } return 0; } @@ -595,6 +615,28 @@ static struct ccw_device * get_disc_ccwdev_by_dev_id(struct ccw_dev_id *dev_id, return dev ? to_ccwdev(dev) : NULL; } +static int match_orphan(struct device *dev, void *data) +{ + struct ccw_dev_id *dev_id; + struct ccw_device *cdev; + + dev_id = data; + cdev = to_ccwdev(dev); + return ccw_dev_id_is_equal(&cdev->private->dev_id, dev_id); +} + +static struct ccw_device * +get_orphaned_ccwdev_by_dev_id(struct channel_subsystem *css, + struct ccw_dev_id *dev_id) +{ + struct device *dev; + + dev = device_find_child(&css->pseudo_subchannel->dev, dev_id, + match_orphan); + + return dev ? to_ccwdev(dev) : NULL; +} + static void ccw_device_add_changed(struct work_struct *work) { @@ -614,64 +656,19 @@ ccw_device_add_changed(struct work_struct *work) } } -extern int css_get_ssd_info(struct subchannel *sch); - -void -ccw_device_do_unreg_rereg(struct work_struct *work) +void ccw_device_do_unreg_rereg(struct work_struct *work) { struct ccw_device_private *priv; struct ccw_device *cdev; struct subchannel *sch; - int need_rename; priv = container_of(work, struct ccw_device_private, kick_work); cdev = priv->cdev; sch = to_subchannel(cdev->dev.parent); - if (cdev->private->dev_id.devno != sch->schib.pmcw.dev) { - /* - * The device number has changed. This is usually only when - * a device has been detached under VM and then re-appeared - * on another subchannel because of a different attachment - * order than before. Ideally, we should should just switch - * subchannels, but unfortunately, this is not possible with - * the current implementation. - * Instead, we search for the old subchannel for this device - * number and deregister so there are no collisions with the - * newly registered ccw_device. - * FIXME: Find another solution so the block layer doesn't - * get possibly sick... - */ - struct ccw_device *other_cdev; - struct ccw_dev_id dev_id; - - need_rename = 1; - dev_id.devno = sch->schib.pmcw.dev; - dev_id.ssid = sch->schid.ssid; - other_cdev = get_disc_ccwdev_by_dev_id(&dev_id, cdev); - if (other_cdev) { - struct subchannel *other_sch; - - other_sch = to_subchannel(other_cdev->dev.parent); - if (get_device(&other_sch->dev)) { - stsch(other_sch->schid, &other_sch->schib); - if (other_sch->schib.pmcw.dnv) { - other_sch->schib.pmcw.intparm = 0; - cio_modify(other_sch); - } - css_sch_device_unregister(other_sch); - } - } - /* Update ssd info here. */ - css_get_ssd_info(sch); - cdev->private->dev_id.devno = sch->schib.pmcw.dev; - } else - need_rename = 0; + device_remove_files(&cdev->dev); if (test_and_clear_bit(1, &cdev->private->registered)) device_del(&cdev->dev); - if (need_rename) - snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", - sch->schid.ssid, sch->schib.pmcw.dev); PREPARE_WORK(&cdev->private->kick_work, ccw_device_add_changed); queue_work(ccw_device_work, &cdev->private->kick_work); @@ -736,6 +733,131 @@ static struct ccw_device * io_subchannel_create_ccwdev(struct subchannel *sch) return cdev; } +static int io_subchannel_recog(struct ccw_device *, struct subchannel *); + +static void sch_attach_device(struct subchannel *sch, + struct ccw_device *cdev) +{ + spin_lock_irq(sch->lock); + sch->dev.driver_data = cdev; + cdev->private->schid = sch->schid; + cdev->ccwlock = sch->lock; + device_trigger_reprobe(sch); + spin_unlock_irq(sch->lock); +} + +static void sch_attach_disconnected_device(struct subchannel *sch, + struct ccw_device *cdev) +{ + struct subchannel *other_sch; + int ret; + + other_sch = to_subchannel(get_device(cdev->dev.parent)); + ret = device_move(&cdev->dev, &sch->dev); + if (ret) { + CIO_MSG_EVENT(2, "Moving disconnected device 0.%x.%04x failed " + "(ret=%d)!\n", cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, ret); + put_device(&other_sch->dev); + return; + } + other_sch->dev.driver_data = NULL; + /* No need to keep a subchannel without ccw device around. */ + css_sch_device_unregister(other_sch); + put_device(&other_sch->dev); + sch_attach_device(sch, cdev); +} + +static void sch_attach_orphaned_device(struct subchannel *sch, + struct ccw_device *cdev) +{ + int ret; + + /* Try to move the ccw device to its new subchannel. */ + ret = device_move(&cdev->dev, &sch->dev); + if (ret) { + CIO_MSG_EVENT(0, "Moving device 0.%x.%04x from orphanage " + "failed (ret=%d)!\n", + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, ret); + return; + } + sch_attach_device(sch, cdev); +} + +static void sch_create_and_recog_new_device(struct subchannel *sch) +{ + struct ccw_device *cdev; + + /* Need to allocate a new ccw device. */ + cdev = io_subchannel_create_ccwdev(sch); + if (IS_ERR(cdev)) { + /* OK, we did everything we could... */ + css_sch_device_unregister(sch); + return; + } + spin_lock_irq(sch->lock); + sch->dev.driver_data = cdev; + spin_unlock_irq(sch->lock); + /* Start recognition for the new ccw device. */ + if (io_subchannel_recog(cdev, sch)) { + spin_lock_irq(sch->lock); + sch->dev.driver_data = NULL; + spin_unlock_irq(sch->lock); + if (cdev->dev.release) + cdev->dev.release(&cdev->dev); + css_sch_device_unregister(sch); + } +} + + +void ccw_device_move_to_orphanage(struct work_struct *work) +{ + struct ccw_device_private *priv; + struct ccw_device *cdev; + struct ccw_device *replacing_cdev; + struct subchannel *sch; + int ret; + struct channel_subsystem *css; + struct ccw_dev_id dev_id; + + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; + sch = to_subchannel(cdev->dev.parent); + css = to_css(sch->dev.parent); + dev_id.devno = sch->schib.pmcw.dev; + dev_id.ssid = sch->schid.ssid; + + /* + * Move the orphaned ccw device to the orphanage so the replacing + * ccw device can take its place on the subchannel. + */ + ret = device_move(&cdev->dev, &css->pseudo_subchannel->dev); + if (ret) { + CIO_MSG_EVENT(0, "Moving device 0.%x.%04x to orphanage failed " + "(ret=%d)!\n", cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, ret); + return; + } + cdev->ccwlock = css->pseudo_subchannel->lock; + /* + * Search for the replacing ccw device + * - among the disconnected devices + * - in the orphanage + */ + replacing_cdev = get_disc_ccwdev_by_dev_id(&dev_id, cdev); + if (replacing_cdev) { + sch_attach_disconnected_device(sch, replacing_cdev); + return; + } + replacing_cdev = get_orphaned_ccwdev_by_dev_id(css, &dev_id); + if (replacing_cdev) { + sch_attach_orphaned_device(sch, replacing_cdev); + return; + } + sch_create_and_recog_new_device(sch); +} + /* * Register recognized device. */ @@ -890,12 +1012,55 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) return rc; } +static void ccw_device_move_to_sch(struct work_struct *work) +{ + struct ccw_device_private *priv; + int rc; + struct subchannel *sch; + struct ccw_device *cdev; + struct subchannel *former_parent; + + priv = container_of(work, struct ccw_device_private, kick_work); + sch = priv->sch; + cdev = priv->cdev; + former_parent = ccw_device_is_orphan(cdev) ? + NULL : to_subchannel(get_device(cdev->dev.parent)); + mutex_lock(&sch->reg_mutex); + /* Try to move the ccw device to its new subchannel. */ + rc = device_move(&cdev->dev, &sch->dev); + mutex_unlock(&sch->reg_mutex); + if (rc) { + CIO_MSG_EVENT(2, "Moving device 0.%x.%04x to subchannel " + "0.%x.%04x failed (ret=%d)!\n", + cdev->private->dev_id.ssid, + cdev->private->dev_id.devno, sch->schid.ssid, + sch->schid.sch_no, rc); + css_sch_device_unregister(sch); + goto out; + } + if (former_parent) { + spin_lock_irq(former_parent->lock); + former_parent->dev.driver_data = NULL; + spin_unlock_irq(former_parent->lock); + css_sch_device_unregister(former_parent); + /* Reset intparm to zeroes. */ + former_parent->schib.pmcw.intparm = 0; + cio_modify(former_parent); + } + sch_attach_device(sch, cdev); +out: + if (former_parent) + put_device(&former_parent->dev); + put_device(&cdev->dev); +} + static int io_subchannel_probe (struct subchannel *sch) { struct ccw_device *cdev; int rc; unsigned long flags; + struct ccw_dev_id dev_id; if (sch->dev.driver_data) { /* @@ -918,6 +1083,28 @@ io_subchannel_probe (struct subchannel *sch) get_device(&cdev->dev); return 0; } + /* + * First check if a fitting device may be found amongst the + * disconnected devices or in the orphanage. + */ + dev_id.devno = sch->schib.pmcw.dev; + dev_id.ssid = sch->schid.ssid; + cdev = get_disc_ccwdev_by_dev_id(&dev_id, NULL); + if (!cdev) + cdev = get_orphaned_ccwdev_by_dev_id(to_css(sch->dev.parent), + &dev_id); + if (cdev) { + /* + * Schedule moving the device until when we have a registered + * subchannel to move to and succeed the probe. We can + * unregister later again, when the probe is through. + */ + cdev->private->sch = sch; + PREPARE_WORK(&cdev->private->kick_work, + ccw_device_move_to_sch); + queue_work(slow_path_wq, &cdev->private->kick_work); + return 0; + } cdev = io_subchannel_create_ccwdev(sch); if (IS_ERR(cdev)) return PTR_ERR(cdev); diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index d5fe95e04cf..29db6341d63 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -80,6 +80,8 @@ int ccw_device_cancel_halt_clear(struct ccw_device *); void ccw_device_do_unreg_rereg(struct work_struct *); void ccw_device_call_sch_unregister(struct work_struct *); +void ccw_device_move_to_orphanage(struct work_struct *); +int ccw_device_is_orphan(struct ccw_device *); int ccw_device_recognition(struct ccw_device *); int ccw_device_online(struct ccw_device *); diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index a487fb0e7d3..eed14572fc3 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -186,13 +186,12 @@ ccw_device_handle_oper(struct ccw_device *cdev) /* * Check if cu type and device type still match. If * not, it is certainly another device and we have to - * de- and re-register. Also check here for non-matching devno. + * de- and re-register. */ if (cdev->id.cu_type != cdev->private->senseid.cu_type || cdev->id.cu_model != cdev->private->senseid.cu_model || cdev->id.dev_type != cdev->private->senseid.dev_type || - cdev->id.dev_model != cdev->private->senseid.dev_model || - cdev->private->dev_id.devno != sch->schib.pmcw.dev) { + cdev->id.dev_model != cdev->private->senseid.dev_model) { PREPARE_WORK(&cdev->private->kick_work, ccw_device_do_unreg_rereg); queue_work(ccw_device_work, &cdev->private->kick_work); @@ -676,6 +675,10 @@ ccw_device_offline(struct ccw_device *cdev) { struct subchannel *sch; + if (ccw_device_is_orphan(cdev)) { + ccw_device_done(cdev, DEV_STATE_OFFLINE); + return 0; + } sch = to_subchannel(cdev->dev.parent); if (stsch(sch->schid, &sch->schib) || !sch->schib.pmcw.dnv) return -ENODEV; @@ -1121,7 +1124,13 @@ device_trigger_reprobe(struct subchannel *sch) sch->schib.pmcw.mp = 1; sch->schib.pmcw.intparm = (__u32)(unsigned long)sch; /* We should also udate ssd info, but this has to wait. */ - ccw_device_start_id(cdev, 0); + /* Check if this is another device which appeared on the same sch. */ + if (sch->schib.pmcw.dev != cdev->private->dev_id.devno) { + PREPARE_WORK(&cdev->private->kick_work, + ccw_device_move_to_orphanage); + queue_work(ccw_device_work, &cdev->private->kick_work); + } else + ccw_device_start_id(cdev, 0); } static void -- cgit v1.2.3 From 529192f3b90682e37c5fcab461d968d062f1e0e4 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 8 Dec 2006 15:55:57 +0100 Subject: [S390] Use dev->groups for adding/removing the subchannel attribute group. Signed-off-by: Cornelia Huck Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/css.c | 5 +---- drivers/s390/cio/css.h | 1 + drivers/s390/cio/device.c | 16 +++++++++------- 3 files changed, 11 insertions(+), 11 deletions(-) (limited to 'drivers') diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 0bf71661937..4c81d890791 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -137,6 +137,7 @@ css_register_subchannel(struct subchannel *sch) sch->dev.parent = &css[0]->device; sch->dev.bus = &css_bus_type; sch->dev.release = &css_subchannel_release; + sch->dev.groups = subch_attr_groups; /* make it known to the system */ ret = css_sch_device_register(sch); @@ -146,10 +147,6 @@ css_register_subchannel(struct subchannel *sch) return ret; } css_get_ssd_info(sch); - ret = subchannel_add_files(&sch->dev); - if (ret) - printk(KERN_WARNING "%s: could not add attributes to %s\n", - __func__, sch->dev.bus_id); return ret; } diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 71fe380f86f..3464c5b875c 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -195,4 +195,5 @@ extern struct workqueue_struct *slow_path_wq; extern struct work_struct slow_path_work; int subchannel_add_files (struct device *); +extern struct attribute_group *subch_attr_groups[]; #endif diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 7fe1ccdc781..803579053c2 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -235,9 +235,11 @@ chpids_show (struct device * dev, struct device_attribute *attr, char * buf) ssize_t ret = 0; int chp; - for (chp = 0; chp < 8; chp++) - ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]); - + if (ssd) + for (chp = 0; chp < 8; chp++) + ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]); + else + ret += sprintf (buf, "n/a"); ret += sprintf (buf+ret, "\n"); return min((ssize_t)PAGE_SIZE, ret); } @@ -531,10 +533,10 @@ static struct attribute_group subch_attr_group = { .attrs = subch_attrs, }; -int subchannel_add_files (struct device *dev) -{ - return sysfs_create_group(&dev->kobj, &subch_attr_group); -} +struct attribute_group *subch_attr_groups[] = { + &subch_attr_group, + NULL, +}; static struct attribute * ccwdev_attrs[] = { &dev_attr_devtype.attr, -- cgit v1.2.3 From 562f9c574e0707f9159a729ea41faf53b221cd30 Mon Sep 17 00:00:00 2001 From: john stultz Date: Fri, 8 Dec 2006 02:36:02 -0800 Subject: [PATCH] time: re-add verify_pmtmr_rate This patch re-adds the verify_pmtmr_rate functionality from 2.6.17 that I dropped 2.6.18. This resolves problems seen on older K6 ASUS boards where the ACPI PM timer runs too fast. See: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=211902 http://bugme.osdl.org/show_bug.cgi?id=2375 Thanks to Ian Campbell for re-reporting this and testing the fix! Signed-off-by: John Stultz Cc: Andi Kleen Cc: Ian Campbell Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Roman Zippel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/clocksource/acpi_pm.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'drivers') diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 7fcb77a9d01..8ab61ef97b4 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -142,6 +142,39 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_LE, acpi_pm_check_graylist); #endif +#ifndef CONFIG_X86_64 +#include "mach_timer.h" +#define PMTMR_EXPECTED_RATE \ + ((CALIBRATE_LATCH * (PMTMR_TICKS_PER_SEC >> 10)) / (CLOCK_TICK_RATE>>10)) +/* + * Some boards have the PMTMR running way too fast. We check + * the PMTMR rate against PIT channel 2 to catch these cases. + */ +static int verify_pmtmr_rate(void) +{ + u32 value1, value2; + unsigned long count, delta; + + mach_prepare_counter(); + value1 = read_pmtmr(); + mach_countup(&count); + value2 = read_pmtmr(); + delta = (value2 - value1) & ACPI_PM_MASK; + + /* Check that the PMTMR delta is within 5% of what we expect */ + if (delta < (PMTMR_EXPECTED_RATE * 19) / 20 || + delta > (PMTMR_EXPECTED_RATE * 21) / 20) { + printk(KERN_INFO "PM-Timer running at invalid rate: %lu%% " + "of normal - aborting.\n", + 100UL * delta / PMTMR_EXPECTED_RATE); + return -1; + } + + return 0; +} +#else +#define verify_pmtmr_rate() (0) +#endif static int __init init_acpi_pm_clocksource(void) { @@ -173,6 +206,9 @@ static int __init init_acpi_pm_clocksource(void) return -ENODEV; pm_good: + if (verify_pmtmr_rate() != 0) + return -ENODEV; + return clocksource_register(&clocksource_acpi_pm); } -- cgit v1.2.3 From 24ec839c431eb79bb8f6abc00c4e1eb3b8c4d517 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 8 Dec 2006 02:36:04 -0800 Subject: [PATCH] tty: ->signal->tty locking Fix the locking of signal->tty. Use ->sighand->siglock to protect ->signal->tty; this lock is already used by most other members of ->signal/->sighand. And unless we are 'current' or the tasklist_lock is held we need ->siglock to access ->signal anyway. (NOTE: sys_unshare() is broken wrt ->sighand locking rules) Note that tty_mutex is held over tty destruction, so while holding tty_mutex any tty pointer remains valid. Otherwise the lifetime of ttys are governed by their open file handles. This leaves some holes for tty access from signal->tty (or any other non file related tty access). It solves the tty SLAB scribbles we were seeing. (NOTE: the change from group_send_sig_info to __group_send_sig_info needs to be examined by someone familiar with the security framework, I think it is safe given the SEND_SIG_PRIV from other __group_send_sig_info invocations) [schwidefsky@de.ibm.com: 3270 fix] [akpm@osdl.org: various post-viro fixes] Signed-off-by: Peter Zijlstra Acked-by: Alan Cox Cc: Oleg Nesterov Cc: Prarit Bhargava Cc: Chris Wright Cc: Roland McGrath Cc: Stephen Smalley Cc: James Morris Cc: "David S. Miller" Cc: Jeff Dike Cc: Martin Schwidefsky Cc: Jan Kara Signed-off-by: Martin Schwidefsky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 237 +++++++++++++++++++++++++++------------------ drivers/s390/char/fs3270.c | 12 ++- 2 files changed, 149 insertions(+), 100 deletions(-) (limited to 'drivers') diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index b3cfc8bc613..0c856a6f367 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -126,7 +126,7 @@ EXPORT_SYMBOL(tty_std_termios); LIST_HEAD(tty_drivers); /* linked list of tty drivers */ -/* Semaphore to protect creating and releasing a tty. This is shared with +/* Mutex to protect creating and releasing a tty. This is shared with vt.c for deeply disgusting hack reasons */ DEFINE_MUTEX(tty_mutex); EXPORT_SYMBOL(tty_mutex); @@ -250,7 +250,7 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) "!= #fd's(%d) in %s\n", tty->name, tty->count, count, routine); return count; - } + } #endif return 0; } @@ -259,18 +259,6 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) * Tty buffer allocation management */ - -/** - * tty_buffer_free_all - free buffers used by a tty - * @tty: tty to free from - * - * Remove all the buffers pending on a tty whether queued with data - * or in the free ring. Must be called when the tty is no longer in use - * - * Locking: none - */ - - /** * tty_buffer_free_all - free buffers used by a tty * @tty: tty to free from @@ -614,7 +602,7 @@ EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags); * they are not on hot paths so a little discipline won't do * any harm. * - * Locking: takes termios_sem + * Locking: takes termios_mutex */ static void tty_set_termios_ldisc(struct tty_struct *tty, int num) @@ -915,7 +903,7 @@ static void tty_ldisc_enable(struct tty_struct *tty) * context. * * Locking: takes tty_ldisc_lock. - * called functions take termios_sem + * called functions take termios_mutex */ static int tty_set_ldisc(struct tty_struct *tty, int ldisc) @@ -1267,12 +1255,12 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush); * * Locking: * BKL - * redirect lock for undoing redirection - * file list lock for manipulating list of ttys - * tty_ldisc_lock from called functions - * termios_sem resetting termios data - * tasklist_lock to walk task list for hangup event - * + * redirect lock for undoing redirection + * file list lock for manipulating list of ttys + * tty_ldisc_lock from called functions + * termios_mutex resetting termios data + * tasklist_lock to walk task list for hangup event + * ->siglock to protect ->signal/->sighand */ static void do_tty_hangup(struct work_struct *work) { @@ -1354,14 +1342,18 @@ static void do_tty_hangup(struct work_struct *work) read_lock(&tasklist_lock); if (tty->session > 0) { do_each_task_pid(tty->session, PIDTYPE_SID, p) { + spin_lock_irq(&p->sighand->siglock); if (p->signal->tty == tty) p->signal->tty = NULL; - if (!p->signal->leader) + if (!p->signal->leader) { + spin_unlock_irq(&p->sighand->siglock); continue; - group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p); - group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p); + } + __group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p); + __group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p); if (tty->pgrp > 0) p->signal->tty_old_pgrp = tty->pgrp; + spin_unlock_irq(&p->sighand->siglock); } while_each_task_pid(tty->session, PIDTYPE_SID, p); } read_unlock(&tasklist_lock); @@ -1453,6 +1445,14 @@ int tty_hung_up_p(struct file * filp) EXPORT_SYMBOL(tty_hung_up_p); +static void session_clear_tty(pid_t session) +{ + struct task_struct *p; + do_each_task_pid(session, PIDTYPE_SID, p) { + proc_clear_tty(p); + } while_each_task_pid(session, PIDTYPE_SID, p); +} + /** * disassociate_ctty - disconnect controlling tty * @on_exit: true if exiting so need to "hang up" the session @@ -1469,31 +1469,35 @@ EXPORT_SYMBOL(tty_hung_up_p); * The argument on_exit is set to 1 if called when a process is * exiting; it is 0 if called by the ioctl TIOCNOTTY. * - * Locking: tty_mutex is taken to protect current->signal->tty + * Locking: * BKL is taken for hysterical raisins - * Tasklist lock is taken (under tty_mutex) to walk process - * lists for the session. + * tty_mutex is taken to protect tty + * ->siglock is taken to protect ->signal/->sighand + * tasklist_lock is taken to walk process list for sessions + * ->siglock is taken to protect ->signal/->sighand */ void disassociate_ctty(int on_exit) { struct tty_struct *tty; - struct task_struct *p; int tty_pgrp = -1; + int session; lock_kernel(); mutex_lock(&tty_mutex); - tty = current->signal->tty; + tty = get_current_tty(); if (tty) { tty_pgrp = tty->pgrp; mutex_unlock(&tty_mutex); + /* XXX: here we race, there is nothing protecting tty */ if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) tty_vhangup(tty); } else { - if (current->signal->tty_old_pgrp) { - kill_pg(current->signal->tty_old_pgrp, SIGHUP, on_exit); - kill_pg(current->signal->tty_old_pgrp, SIGCONT, on_exit); + pid_t old_pgrp = current->signal->tty_old_pgrp; + if (old_pgrp) { + kill_pg(old_pgrp, SIGHUP, on_exit); + kill_pg(old_pgrp, SIGCONT, on_exit); } mutex_unlock(&tty_mutex); unlock_kernel(); @@ -1505,19 +1509,29 @@ void disassociate_ctty(int on_exit) kill_pg(tty_pgrp, SIGCONT, on_exit); } - /* Must lock changes to tty_old_pgrp */ - mutex_lock(&tty_mutex); + spin_lock_irq(¤t->sighand->siglock); current->signal->tty_old_pgrp = 0; - tty->session = 0; - tty->pgrp = -1; + session = current->signal->session; + spin_unlock_irq(¤t->sighand->siglock); + + mutex_lock(&tty_mutex); + /* It is possible that do_tty_hangup has free'd this tty */ + tty = get_current_tty(); + if (tty) { + tty->session = 0; + tty->pgrp = 0; + } else { +#ifdef TTY_DEBUG_HANGUP + printk(KERN_DEBUG "error attempted to write to tty [0x%p]" + " = NULL", tty); +#endif + } + mutex_unlock(&tty_mutex); /* Now clear signal->tty under the lock */ read_lock(&tasklist_lock); - do_each_task_pid(current->signal->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(current->signal->session, PIDTYPE_SID, p); + session_clear_tty(session); read_unlock(&tasklist_lock); - mutex_unlock(&tty_mutex); unlock_kernel(); } @@ -2337,16 +2351,10 @@ static void release_dev(struct file * filp) * tty. */ if (tty_closing || o_tty_closing) { - struct task_struct *p; - read_lock(&tasklist_lock); - do_each_task_pid(tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(tty->session, PIDTYPE_SID, p); + session_clear_tty(tty->session); if (o_tty) - do_each_task_pid(o_tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(o_tty->session, PIDTYPE_SID, p); + session_clear_tty(o_tty->session); read_unlock(&tasklist_lock); } @@ -2443,9 +2451,9 @@ static void release_dev(struct file * filp) * The termios state of a pty is reset on first open so that * settings don't persist across reuse. * - * Locking: tty_mutex protects current->signal->tty, get_tty_driver and - * init_dev work. tty->count should protect the rest. - * task_lock is held to update task details for sessions + * Locking: tty_mutex protects tty, get_tty_driver and init_dev work. + * tty->count should protect the rest. + * ->siglock protects ->signal/->sighand */ static int tty_open(struct inode * inode, struct file * filp) @@ -2467,12 +2475,13 @@ retry_open: mutex_lock(&tty_mutex); if (device == MKDEV(TTYAUX_MAJOR,0)) { - if (!current->signal->tty) { + tty = get_current_tty(); + if (!tty) { mutex_unlock(&tty_mutex); return -ENXIO; } - driver = current->signal->tty->driver; - index = current->signal->tty->index; + driver = tty->driver; + index = tty->index; filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */ /* noctty = 1; */ goto got_driver; @@ -2547,17 +2556,16 @@ got_driver: filp->f_op = &tty_fops; goto retry_open; } + + mutex_lock(&tty_mutex); + spin_lock_irq(¤t->sighand->siglock); if (!noctty && current->signal->leader && !current->signal->tty && - tty->session == 0) { - task_lock(current); - current->signal->tty = tty; - task_unlock(current); - current->signal->tty_old_pgrp = 0; - tty->session = current->signal->session; - tty->pgrp = process_group(current); - } + tty->session == 0) + __proc_set_tty(current, tty); + spin_unlock_irq(¤t->sighand->siglock); + mutex_unlock(&tty_mutex); return 0; } @@ -2747,7 +2755,7 @@ static int tiocsti(struct tty_struct *tty, char __user *p) * * Copies the kernel idea of the window size into the user buffer. * - * Locking: tty->termios_sem is taken to ensure the winsize data + * Locking: tty->termios_mutex is taken to ensure the winsize data * is consistent. */ @@ -2774,8 +2782,8 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user * arg) * Locking: * Called function use the console_sem is used to ensure we do * not try and resize the console twice at once. - * The tty->termios_sem is used to ensure we don't double - * resize and get confused. Lock order - tty->termios.sem before + * The tty->termios_mutex is used to ensure we don't double + * resize and get confused. Lock order - tty->termios_mutex before * console sem */ @@ -2880,25 +2888,28 @@ static int fionbio(struct file *file, int __user *p) * leader to set this tty as the controlling tty for the session. * * Locking: - * Takes tasklist lock internally to walk sessions - * Takes task_lock() when updating signal->tty * Takes tty_mutex() to protect tty instance - * + * Takes tasklist_lock internally to walk sessions + * Takes ->siglock() when updating signal->tty */ static int tiocsctty(struct tty_struct *tty, int arg) { - struct task_struct *p; - + int ret = 0; if (current->signal->leader && (current->signal->session == tty->session)) - return 0; + return ret; + + mutex_lock(&tty_mutex); /* * The process must be a session leader and * not have a controlling tty already. */ - if (!current->signal->leader || current->signal->tty) - return -EPERM; + if (!current->signal->leader || current->signal->tty) { + ret = -EPERM; + goto unlock; + } + if (tty->session > 0) { /* * This tty is already the controlling @@ -2908,24 +2919,18 @@ static int tiocsctty(struct tty_struct *tty, int arg) /* * Steal it away */ - read_lock(&tasklist_lock); - do_each_task_pid(tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(tty->session, PIDTYPE_SID, p); + session_clear_tty(tty->session); read_unlock(&tasklist_lock); - } else - return -EPERM; + } else { + ret = -EPERM; + goto unlock; + } } - mutex_lock(&tty_mutex); - task_lock(current); - current->signal->tty = tty; - task_unlock(current); + proc_set_tty(current, tty); +unlock: mutex_unlock(&tty_mutex); - current->signal->tty_old_pgrp = 0; - tty->session = current->signal->session; - tty->pgrp = process_group(current); - return 0; + return ret; } /** @@ -2937,7 +2942,7 @@ static int tiocsctty(struct tty_struct *tty, int arg) * Obtain the process group of the tty. If there is no process group * return an error. * - * Locking: none. Reference to ->signal->tty is safe. + * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgpgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) @@ -2995,7 +3000,7 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t * Obtain the session id of the tty. If there is no session * return an error. * - * Locking: none. Reference to ->signal->tty is safe. + * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) @@ -3214,14 +3219,11 @@ int tty_ioctl(struct inode * inode, struct file * file, clear_bit(TTY_EXCLUSIVE, &tty->flags); return 0; case TIOCNOTTY: - /* FIXME: taks lock or tty_mutex ? */ if (current->signal->tty != tty) return -ENOTTY; if (current->signal->leader) disassociate_ctty(0); - task_lock(current); - current->signal->tty = NULL; - task_unlock(current); + proc_clear_tty(current); return 0; case TIOCSCTTY: return tiocsctty(tty, arg); @@ -3321,7 +3323,7 @@ static void __do_SAK(struct work_struct *work) if (!tty) return; - session = tty->session; + session = tty->session; /* We don't want an ldisc switch during this */ disc = tty_ldisc_ref(tty); @@ -3834,9 +3836,52 @@ int tty_unregister_driver(struct tty_driver *driver) cdev_del(&driver->cdev); return 0; } - EXPORT_SYMBOL(tty_unregister_driver); +dev_t tty_devnum(struct tty_struct *tty) +{ + return MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index; +} +EXPORT_SYMBOL(tty_devnum); + +void proc_clear_tty(struct task_struct *p) +{ + spin_lock_irq(&p->sighand->siglock); + p->signal->tty = NULL; + spin_unlock_irq(&p->sighand->siglock); +} +EXPORT_SYMBOL(proc_clear_tty); + +void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +{ + if (tty) { + tty->session = tsk->signal->session; + tty->pgrp = process_group(tsk); + } + tsk->signal->tty = tty; + tsk->signal->tty_old_pgrp = 0; +} + +void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +{ + spin_lock_irq(&tsk->sighand->siglock); + __proc_set_tty(tsk, tty); + spin_unlock_irq(&tsk->sighand->siglock); +} + +struct tty_struct *get_current_tty(void) +{ + struct tty_struct *tty; + WARN_ON_ONCE(!mutex_is_locked(&tty_mutex)); + tty = current->signal->tty; + /* + * session->tty can be changed/cleared from under us, make sure we + * issue the load. The obtained pointer, when not NULL, is valid as + * long as we hold tty_mutex. + */ + barrier(); + return tty; +} /* * Initialize the console device. This is called *early*, so diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 78f8bda81da..ef205ddd31a 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -424,11 +424,15 @@ fs3270_open(struct inode *inode, struct file *filp) minor = iminor(filp->f_dentry->d_inode); /* Check for minor 0 multiplexer. */ if (minor == 0) { - if (!current->signal->tty) + struct tty_struct *tty; + mutex_lock(&tty_mutex); + tty = get_current_tty(); + if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) { + mutex_unlock(&tty_mutex); return -ENODEV; - if (current->signal->tty->driver->major != IBM_TTY3270_MAJOR) - return -ENODEV; - minor = current->signal->tty->index + RAW3270_FIRSTMINOR; + } + minor = tty->index + RAW3270_FIRSTMINOR; + mutex_unlock(&tty_mutex); } /* Check if some other program is already using fullscreen mode. */ fp = (struct fs3270 *) raw3270_find_view(&fs3270_fn, minor); -- cgit v1.2.3 From adb9250a07edb7d41a17ba3b96fcb84c4d8e4260 Mon Sep 17 00:00:00 2001 From: Thomas Maier Date: Fri, 8 Dec 2006 02:36:10 -0800 Subject: [PATCH] pktcdvd: reusability of procfs functions This patch makes some of the procfs functions reusable (for coming sysfs patch e.g.): pkt_setup_dev() pkt_remove_dev() ... Signed-off-by: Thomas Maier Signed-off-by: Peter Osterlund Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/pktcdvd.c | 72 ++++++++++++++++++++++++++++++------------------- 1 file changed, 45 insertions(+), 27 deletions(-) (limited to 'drivers') diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index e45eaa26411..7e7b892f621 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2000 Jens Axboe * Copyright (C) 2001-2004 Peter Osterlund + * Copyright (C) 2006 Thomas Maier * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. @@ -2436,36 +2437,33 @@ static struct block_device_operations pktcdvd_ops = { /* * Set up mapping from pktcdvd device to CD-ROM device. */ -static int pkt_setup_dev(struct pkt_ctrl_command *ctrl_cmd) +static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev) { int idx; int ret = -ENOMEM; struct pktcdvd_device *pd; struct gendisk *disk; - dev_t dev = new_decode_dev(ctrl_cmd->dev); + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); for (idx = 0; idx < MAX_WRITERS; idx++) if (!pkt_devs[idx]) break; if (idx == MAX_WRITERS) { printk(DRIVER_NAME": max %d writers supported\n", MAX_WRITERS); - return -EBUSY; + ret = -EBUSY; + goto out_mutex; } pd = kzalloc(sizeof(struct pktcdvd_device), GFP_KERNEL); if (!pd) - return ret; + goto out_mutex; pd->rb_pool = mempool_create_kmalloc_pool(PKT_RB_POOL_SIZE, sizeof(struct pkt_rb_node)); if (!pd->rb_pool) goto out_mem; - disk = alloc_disk(1); - if (!disk) - goto out_mem; - pd->disk = disk; - INIT_LIST_HEAD(&pd->cdrw.pkt_free_list); INIT_LIST_HEAD(&pd->cdrw.pkt_active_list); spin_lock_init(&pd->cdrw.active_list_lock); @@ -2476,11 +2474,15 @@ static int pkt_setup_dev(struct pkt_ctrl_command *ctrl_cmd) init_waitqueue_head(&pd->wqueue); pd->bio_queue = RB_ROOT; + disk = alloc_disk(1); + if (!disk) + goto out_mem; + pd->disk = disk; disk->major = pktdev_major; disk->first_minor = idx; disk->fops = &pktcdvd_ops; disk->flags = GENHD_FL_REMOVABLE; - sprintf(disk->disk_name, DRIVER_NAME"%d", idx); + strcpy(disk->disk_name, pd->name); disk->private_data = pd; disk->queue = blk_alloc_queue(GFP_KERNEL); if (!disk->queue) @@ -2492,8 +2494,12 @@ static int pkt_setup_dev(struct pkt_ctrl_command *ctrl_cmd) goto out_new_dev; add_disk(disk); + pkt_devs[idx] = pd; - ctrl_cmd->pkt_dev = new_encode_dev(pd->pkt_dev); + if (pkt_dev) + *pkt_dev = pd->pkt_dev; + + mutex_unlock(&ctl_mutex); return 0; out_new_dev: @@ -2504,17 +2510,22 @@ out_mem: if (pd->rb_pool) mempool_destroy(pd->rb_pool); kfree(pd); +out_mutex: + mutex_unlock(&ctl_mutex); + printk(DRIVER_NAME": setup of pktcdvd device failed\n"); return ret; } /* * Tear down mapping from pktcdvd device to CD-ROM device. */ -static int pkt_remove_dev(struct pkt_ctrl_command *ctrl_cmd) +static int pkt_remove_dev(dev_t pkt_dev) { struct pktcdvd_device *pd; int idx; - dev_t pkt_dev = new_decode_dev(ctrl_cmd->pkt_dev); + int ret = 0; + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); for (idx = 0; idx < MAX_WRITERS; idx++) { pd = pkt_devs[idx]; @@ -2523,12 +2534,14 @@ static int pkt_remove_dev(struct pkt_ctrl_command *ctrl_cmd) } if (idx == MAX_WRITERS) { DPRINTK(DRIVER_NAME": dev not setup\n"); - return -ENXIO; + ret = -ENXIO; + goto out; } - if (pd->refcnt > 0) - return -EBUSY; - + if (pd->refcnt > 0) { + ret = -EBUSY; + goto out; + } if (!IS_ERR(pd->cdrw.thread)) kthread_stop(pd->cdrw.thread); @@ -2547,12 +2560,19 @@ static int pkt_remove_dev(struct pkt_ctrl_command *ctrl_cmd) /* This is safe: open() is still holding a reference. */ module_put(THIS_MODULE); - return 0; + +out: + mutex_unlock(&ctl_mutex); + return ret; } static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd) { - struct pktcdvd_device *pd = pkt_find_dev_from_minor(ctrl_cmd->dev_index); + struct pktcdvd_device *pd; + + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + + pd = pkt_find_dev_from_minor(ctrl_cmd->dev_index); if (pd) { ctrl_cmd->dev = new_encode_dev(pd->bdev->bd_dev); ctrl_cmd->pkt_dev = new_encode_dev(pd->pkt_dev); @@ -2561,6 +2581,8 @@ static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd) ctrl_cmd->pkt_dev = 0; } ctrl_cmd->num_devices = MAX_WRITERS; + + mutex_unlock(&ctl_mutex); } static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) @@ -2568,6 +2590,7 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm void __user *argp = (void __user *)arg; struct pkt_ctrl_command ctrl_cmd; int ret = 0; + dev_t pkt_dev = 0; if (cmd != PACKET_CTRL_CMD) return -ENOTTY; @@ -2579,21 +2602,16 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm case PKT_CTRL_CMD_SETUP: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); - ret = pkt_setup_dev(&ctrl_cmd); - mutex_unlock(&ctl_mutex); + ret = pkt_setup_dev(new_decode_dev(ctrl_cmd.dev), &pkt_dev); + ctrl_cmd.pkt_dev = new_encode_dev(pkt_dev); break; case PKT_CTRL_CMD_TEARDOWN: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); - ret = pkt_remove_dev(&ctrl_cmd); - mutex_unlock(&ctl_mutex); + ret = pkt_remove_dev(new_decode_dev(ctrl_cmd.pkt_dev)); break; case PKT_CTRL_CMD_STATUS: - mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); pkt_get_status(&ctrl_cmd); - mutex_unlock(&ctl_mutex); break; default: return -ENOTTY; -- cgit v1.2.3 From 2d4eeec563a0472b68de3597c17f2d3b11c49c00 Mon Sep 17 00:00:00 2001 From: Thomas Maier Date: Fri, 8 Dec 2006 02:36:10 -0800 Subject: [PATCH] pktcdvd: make procfs interface optional pktcdvd: Update Kconfig help text. Signed-off-by: Thomas Maier Signed-off-by: Peter Osterlund Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/Kconfig | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 85072446d77..ce9cfcb6071 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -431,14 +431,18 @@ config CDROM_PKTCDVD tristate "Packet writing on CD/DVD media" depends on !UML help - If you have a CDROM drive that supports packet writing, say Y to - include preliminary support. It should work with any MMC/Mt Fuji - compliant ATAPI or SCSI drive, which is just about any newer CD - writer. + If you have a CDROM/DVD drive that supports packet writing, say + Y to include support. It should work with any MMC/Mt Fuji + compliant ATAPI or SCSI drive, which is just about any newer + DVD/CD writer. - Currently only writing to CD-RW, DVD-RW and DVD+RW discs is possible. + Currently only writing to CD-RW, DVD-RW, DVD+RW and DVDRAM discs + is possible. DVD-RW disks must be in restricted overwrite mode. + See the file + for further information on the use of this driver. + To compile this driver as a module, choose M here: the module will be called pktcdvd. -- cgit v1.2.3 From 0a0fc9601dd1024ec7171993bf075a789246e1ed Mon Sep 17 00:00:00 2001 From: Thomas Maier Date: Fri, 8 Dec 2006 02:36:11 -0800 Subject: [PATCH] pktcdvd: bio write congestion using congestion_wait() This adds a bio write queue congestion control to the pktcdvd driver with fixed on/off marks. It prevents that the driver consumes a unlimited amount of write requests. [akpm@osdl.org: sync with congestion_wait() renaming] Signed-off-by: Thomas Maier Cc: Peter Osterlund Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/pktcdvd.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'drivers') diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 7e7b892f621..91fbe7fd6d0 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -84,6 +84,8 @@ static struct pktcdvd_device *pkt_devs[MAX_WRITERS]; static struct proc_dir_entry *pkt_proc; static int pktdev_major; +static int write_congestion_on = PKT_WRITE_CONGESTION_ON; +static int write_congestion_off = PKT_WRITE_CONGESTION_OFF; static struct mutex ctl_mutex; /* Serialize open/close/setup/teardown */ static mempool_t *psd_pool; @@ -894,6 +896,7 @@ static int pkt_handle_queue(struct pktcdvd_device *pd) sector_t zone = 0; /* Suppress gcc warning */ struct pkt_rb_node *node, *first_node; struct rb_node *n; + int wakeup; VPRINTK("handle_queue\n"); @@ -966,7 +969,13 @@ try_next_bio: pkt->write_size += bio->bi_size / CD_FRAMESIZE; spin_unlock(&pkt->lock); } + /* check write congestion marks, and if bio_queue_size is + below, wake up any waiters */ + wakeup = (pd->write_congestion_on > 0 + && pd->bio_queue_size <= pd->write_congestion_off); spin_unlock(&pd->lock); + if (wakeup) + blk_clear_queue_congested(pd->disk->queue, WRITE); pkt->sleep_time = max(PACKET_WAIT_TIME, 1); pkt_set_state(pkt, PACKET_WAITING_STATE); @@ -2179,6 +2188,23 @@ static int pkt_make_request(request_queue_t *q, struct bio *bio) } spin_unlock(&pd->cdrw.active_list_lock); + /* + * Test if there is enough room left in the bio work queue + * (queue size >= congestion on mark). + * If not, wait till the work queue size is below the congestion off mark. + */ + spin_lock(&pd->lock); + if (pd->write_congestion_on > 0 + && pd->bio_queue_size >= pd->write_congestion_on) { + blk_set_queue_congested(q, WRITE); + do { + spin_unlock(&pd->lock); + congestion_wait(WRITE, HZ); + spin_lock(&pd->lock); + } while(pd->bio_queue_size > pd->write_congestion_off); + } + spin_unlock(&pd->lock); + /* * No matching packet found. Store the bio in the work queue. */ @@ -2298,6 +2324,9 @@ static int pkt_seq_show(struct seq_file *m, void *p) seq_printf(m, "\tstate:\t\t\ti:%d ow:%d rw:%d ww:%d rec:%d fin:%d\n", states[0], states[1], states[2], states[3], states[4], states[5]); + seq_printf(m, "\twrite congestion marks:\toff=%d on=%d\n", + pd->write_congestion_off, + pd->write_congestion_on); return 0; } @@ -2474,6 +2503,9 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev) init_waitqueue_head(&pd->wqueue); pd->bio_queue = RB_ROOT; + pd->write_congestion_on = write_congestion_on; + pd->write_congestion_off = write_congestion_off; + disk = alloc_disk(1); if (!disk) goto out_mem; -- cgit v1.2.3 From 32694850a91bd4fedcdd4a46292f870588be81d1 Mon Sep 17 00:00:00 2001 From: Thomas Maier Date: Fri, 8 Dec 2006 02:36:12 -0800 Subject: [PATCH] pktcdvd: add sysfs and debugfs interface Add a sysfs and debugfs interface to the pktcdvd driver. Look into the Documentation/ABI/testing/* files in the patch for more info. Signed-off-by: Thomas Maier Signed-off-by: Peter Osterlund Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/pktcdvd.c | 443 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 439 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 91fbe7fd6d0..7c95c762950 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -60,6 +60,8 @@ #include #include #include +#include +#include #include @@ -89,6 +91,419 @@ static int write_congestion_off = PKT_WRITE_CONGESTION_OFF; static struct mutex ctl_mutex; /* Serialize open/close/setup/teardown */ static mempool_t *psd_pool; +static struct class *class_pktcdvd = NULL; /* /sys/class/pktcdvd */ +static struct dentry *pkt_debugfs_root = NULL; /* /debug/pktcdvd */ + +/* forward declaration */ +static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev); +static int pkt_remove_dev(dev_t pkt_dev); +static int pkt_seq_show(struct seq_file *m, void *p); + + + +/* + * create and register a pktcdvd kernel object. + */ +static struct pktcdvd_kobj* pkt_kobj_create(struct pktcdvd_device *pd, + const char* name, + struct kobject* parent, + struct kobj_type* ktype) +{ + struct pktcdvd_kobj *p; + p = kzalloc(sizeof(*p), GFP_KERNEL); + if (!p) + return NULL; + kobject_set_name(&p->kobj, "%s", name); + p->kobj.parent = parent; + p->kobj.ktype = ktype; + p->pd = pd; + if (kobject_register(&p->kobj) != 0) + return NULL; + return p; +} +/* + * remove a pktcdvd kernel object. + */ +static void pkt_kobj_remove(struct pktcdvd_kobj *p) +{ + if (p) + kobject_unregister(&p->kobj); +} +/* + * default release function for pktcdvd kernel objects. + */ +static void pkt_kobj_release(struct kobject *kobj) +{ + kfree(to_pktcdvdkobj(kobj)); +} + + +/********************************************************** + * + * sysfs interface for pktcdvd + * by (C) 2006 Thomas Maier + * + **********************************************************/ + +#define DEF_ATTR(_obj,_name,_mode) \ + static struct attribute _obj = { \ + .name = _name, .owner = THIS_MODULE, .mode = _mode } + +/********************************************************** + /sys/class/pktcdvd/pktcdvd[0-7]/ + stat/reset + stat/packets_started + stat/packets_finished + stat/kb_written + stat/kb_read + stat/kb_read_gather + write_queue/size + write_queue/congestion_off + write_queue/congestion_on + **********************************************************/ + +DEF_ATTR(kobj_pkt_attr_st1, "reset", 0200); +DEF_ATTR(kobj_pkt_attr_st2, "packets_started", 0444); +DEF_ATTR(kobj_pkt_attr_st3, "packets_finished", 0444); +DEF_ATTR(kobj_pkt_attr_st4, "kb_written", 0444); +DEF_ATTR(kobj_pkt_attr_st5, "kb_read", 0444); +DEF_ATTR(kobj_pkt_attr_st6, "kb_read_gather", 0444); + +static struct attribute *kobj_pkt_attrs_stat[] = { + &kobj_pkt_attr_st1, + &kobj_pkt_attr_st2, + &kobj_pkt_attr_st3, + &kobj_pkt_attr_st4, + &kobj_pkt_attr_st5, + &kobj_pkt_attr_st6, + NULL +}; + +DEF_ATTR(kobj_pkt_attr_wq1, "size", 0444); +DEF_ATTR(kobj_pkt_attr_wq2, "congestion_off", 0644); +DEF_ATTR(kobj_pkt_attr_wq3, "congestion_on", 0644); + +static struct attribute *kobj_pkt_attrs_wqueue[] = { + &kobj_pkt_attr_wq1, + &kobj_pkt_attr_wq2, + &kobj_pkt_attr_wq3, + NULL +}; + +/* declares a char buffer[64] _dbuf, copies data from + * _b with length _l into it and ensures that _dbuf ends + * with a \0 character. + */ +#define DECLARE_BUF_AS_STRING(_dbuf, _b, _l) \ + char _dbuf[64]; int dlen = (_l) < 0 ? 0 : (_l); \ + if (dlen >= sizeof(_dbuf)) dlen = sizeof(_dbuf)-1; \ + memcpy(_dbuf, _b, dlen); _dbuf[dlen] = 0 + +static ssize_t kobj_pkt_show(struct kobject *kobj, + struct attribute *attr, char *data) +{ + struct pktcdvd_device *pd = to_pktcdvdkobj(kobj)->pd; + int n = 0; + int v; + if (strcmp(attr->name, "packets_started") == 0) { + n = sprintf(data, "%lu\n", pd->stats.pkt_started); + + } else if (strcmp(attr->name, "packets_finished") == 0) { + n = sprintf(data, "%lu\n", pd->stats.pkt_ended); + + } else if (strcmp(attr->name, "kb_written") == 0) { + n = sprintf(data, "%lu\n", pd->stats.secs_w >> 1); + + } else if (strcmp(attr->name, "kb_read") == 0) { + n = sprintf(data, "%lu\n", pd->stats.secs_r >> 1); + + } else if (strcmp(attr->name, "kb_read_gather") == 0) { + n = sprintf(data, "%lu\n", pd->stats.secs_rg >> 1); + + } else if (strcmp(attr->name, "size") == 0) { + spin_lock(&pd->lock); + v = pd->bio_queue_size; + spin_unlock(&pd->lock); + n = sprintf(data, "%d\n", v); + + } else if (strcmp(attr->name, "congestion_off") == 0) { + spin_lock(&pd->lock); + v = pd->write_congestion_off; + spin_unlock(&pd->lock); + n = sprintf(data, "%d\n", v); + + } else if (strcmp(attr->name, "congestion_on") == 0) { + spin_lock(&pd->lock); + v = pd->write_congestion_on; + spin_unlock(&pd->lock); + n = sprintf(data, "%d\n", v); + } + return n; +} + +static void init_write_congestion_marks(int* lo, int* hi) +{ + if (*hi > 0) { + *hi = max(*hi, 500); + *hi = min(*hi, 1000000); + if (*lo <= 0) + *lo = *hi - 100; + else { + *lo = min(*lo, *hi - 100); + *lo = max(*lo, 100); + } + } else { + *hi = -1; + *lo = -1; + } +} + +static ssize_t kobj_pkt_store(struct kobject *kobj, + struct attribute *attr, + const char *data, size_t len) +{ + struct pktcdvd_device *pd = to_pktcdvdkobj(kobj)->pd; + int val; + DECLARE_BUF_AS_STRING(dbuf, data, len); /* ensure sscanf scans a string */ + + if (strcmp(attr->name, "reset") == 0 && dlen > 0) { + pd->stats.pkt_started = 0; + pd->stats.pkt_ended = 0; + pd->stats.secs_w = 0; + pd->stats.secs_rg = 0; + pd->stats.secs_r = 0; + + } else if (strcmp(attr->name, "congestion_off") == 0 + && sscanf(dbuf, "%d", &val) == 1) { + spin_lock(&pd->lock); + pd->write_congestion_off = val; + init_write_congestion_marks(&pd->write_congestion_off, + &pd->write_congestion_on); + spin_unlock(&pd->lock); + + } else if (strcmp(attr->name, "congestion_on") == 0 + && sscanf(dbuf, "%d", &val) == 1) { + spin_lock(&pd->lock); + pd->write_congestion_on = val; + init_write_congestion_marks(&pd->write_congestion_off, + &pd->write_congestion_on); + spin_unlock(&pd->lock); + } + return len; +} + +static struct sysfs_ops kobj_pkt_ops = { + .show = kobj_pkt_show, + .store = kobj_pkt_store +}; +static struct kobj_type kobj_pkt_type_stat = { + .release = pkt_kobj_release, + .sysfs_ops = &kobj_pkt_ops, + .default_attrs = kobj_pkt_attrs_stat +}; +static struct kobj_type kobj_pkt_type_wqueue = { + .release = pkt_kobj_release, + .sysfs_ops = &kobj_pkt_ops, + .default_attrs = kobj_pkt_attrs_wqueue +}; + +static void pkt_sysfs_dev_new(struct pktcdvd_device *pd) +{ + if (class_pktcdvd) { + pd->clsdev = class_device_create(class_pktcdvd, + NULL, pd->pkt_dev, + NULL, "%s", pd->name); + if (IS_ERR(pd->clsdev)) + pd->clsdev = NULL; + } + if (pd->clsdev) { + pd->kobj_stat = pkt_kobj_create(pd, "stat", + &pd->clsdev->kobj, + &kobj_pkt_type_stat); + pd->kobj_wqueue = pkt_kobj_create(pd, "write_queue", + &pd->clsdev->kobj, + &kobj_pkt_type_wqueue); + } +} + +static void pkt_sysfs_dev_remove(struct pktcdvd_device *pd) +{ + pkt_kobj_remove(pd->kobj_stat); + pkt_kobj_remove(pd->kobj_wqueue); + if (class_pktcdvd) + class_device_destroy(class_pktcdvd, pd->pkt_dev); +} + + +/******************************************************************** + /sys/class/pktcdvd/ + add map block device + remove unmap packet dev + device_map show mappings + *******************************************************************/ + +static void class_pktcdvd_release(struct class *cls) +{ + kfree(cls); +} +static ssize_t class_pktcdvd_show_map(struct class *c, char *data) +{ + int n = 0; + int idx; + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + for (idx = 0; idx < MAX_WRITERS; idx++) { + struct pktcdvd_device *pd = pkt_devs[idx]; + if (!pd) + continue; + n += sprintf(data+n, "%s %u:%u %u:%u\n", + pd->name, + MAJOR(pd->pkt_dev), MINOR(pd->pkt_dev), + MAJOR(pd->bdev->bd_dev), + MINOR(pd->bdev->bd_dev)); + } + mutex_unlock(&ctl_mutex); + return n; +} + +static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf, + size_t count) +{ + unsigned int major, minor; + DECLARE_BUF_AS_STRING(dbuf, buf, count); + if (sscanf(dbuf, "%u:%u", &major, &minor) == 2) { + pkt_setup_dev(MKDEV(major, minor), NULL); + return count; + } + return -EINVAL; +} + +static ssize_t class_pktcdvd_store_remove(struct class *c, const char *buf, + size_t count) +{ + unsigned int major, minor; + DECLARE_BUF_AS_STRING(dbuf, buf, count); + if (sscanf(dbuf, "%u:%u", &major, &minor) == 2) { + pkt_remove_dev(MKDEV(major, minor)); + return count; + } + return -EINVAL; +} + +static struct class_attribute class_pktcdvd_attrs[] = { + __ATTR(add, 0200, NULL, class_pktcdvd_store_add), + __ATTR(remove, 0200, NULL, class_pktcdvd_store_remove), + __ATTR(device_map, 0444, class_pktcdvd_show_map, NULL), + __ATTR_NULL +}; + + +static int pkt_sysfs_init(void) +{ + int ret = 0; + + /* + * create control files in sysfs + * /sys/class/pktcdvd/... + */ + class_pktcdvd = kzalloc(sizeof(*class_pktcdvd), GFP_KERNEL); + if (!class_pktcdvd) + return -ENOMEM; + class_pktcdvd->name = DRIVER_NAME; + class_pktcdvd->owner = THIS_MODULE; + class_pktcdvd->class_release = class_pktcdvd_release; + class_pktcdvd->class_attrs = class_pktcdvd_attrs; + ret = class_register(class_pktcdvd); + if (ret) { + kfree(class_pktcdvd); + class_pktcdvd = NULL; + printk(DRIVER_NAME": failed to create class pktcdvd\n"); + return ret; + } + return 0; +} + +static void pkt_sysfs_cleanup(void) +{ + if (class_pktcdvd) + class_destroy(class_pktcdvd); + class_pktcdvd = NULL; +} + +/******************************************************************** + entries in debugfs + + /debugfs/pktcdvd[0-7]/ + info + + *******************************************************************/ + +static int pkt_debugfs_seq_show(struct seq_file *m, void *p) +{ + return pkt_seq_show(m, p); +} + +static int pkt_debugfs_fops_open(struct inode *inode, struct file *file) +{ + return single_open(file, pkt_debugfs_seq_show, inode->i_private); +} + +static struct file_operations debug_fops = { + .open = pkt_debugfs_fops_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static void pkt_debugfs_dev_new(struct pktcdvd_device *pd) +{ + if (!pkt_debugfs_root) + return; + pd->dfs_f_info = NULL; + pd->dfs_d_root = debugfs_create_dir(pd->name, pkt_debugfs_root); + if (IS_ERR(pd->dfs_d_root)) { + pd->dfs_d_root = NULL; + return; + } + pd->dfs_f_info = debugfs_create_file("info", S_IRUGO, + pd->dfs_d_root, pd, &debug_fops); + if (IS_ERR(pd->dfs_f_info)) { + pd->dfs_f_info = NULL; + return; + } +} + +static void pkt_debugfs_dev_remove(struct pktcdvd_device *pd) +{ + if (!pkt_debugfs_root) + return; + if (pd->dfs_f_info) + debugfs_remove(pd->dfs_f_info); + pd->dfs_f_info = NULL; + if (pd->dfs_d_root) + debugfs_remove(pd->dfs_d_root); + pd->dfs_d_root = NULL; +} + +static void pkt_debugfs_init(void) +{ + pkt_debugfs_root = debugfs_create_dir(DRIVER_NAME, NULL); + if (IS_ERR(pkt_debugfs_root)) { + pkt_debugfs_root = NULL; + return; + } +} + +static void pkt_debugfs_cleanup(void) +{ + if (!pkt_debugfs_root) + return; + debugfs_remove(pkt_debugfs_root); + pkt_debugfs_root = NULL; +} + +/* ----------------------------------------------------------*/ + static void pkt_bio_finished(struct pktcdvd_device *pd) { @@ -2527,6 +2942,9 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev) add_disk(disk); + pkt_sysfs_dev_new(pd); + pkt_debugfs_dev_new(pd); + pkt_devs[idx] = pd; if (pkt_dev) *pkt_dev = pd->pkt_dev; @@ -2577,6 +2995,11 @@ static int pkt_remove_dev(dev_t pkt_dev) if (!IS_ERR(pd->cdrw.thread)) kthread_stop(pd->cdrw.thread); + pkt_devs[idx] = NULL; + + pkt_debugfs_dev_remove(pd); + pkt_sysfs_dev_remove(pd); + blkdev_put(pd->bdev); remove_proc_entry(pd->name, pkt_proc); @@ -2586,7 +3009,6 @@ static int pkt_remove_dev(dev_t pkt_dev) blk_cleanup_queue(pd->disk->queue); put_disk(pd->disk); - pkt_devs[idx] = NULL; mempool_destroy(pd->rb_pool); kfree(pd); @@ -2670,6 +3092,8 @@ static int __init pkt_init(void) { int ret; + mutex_init(&ctl_mutex); + psd_pool = mempool_create_kmalloc_pool(PSD_POOL_SIZE, sizeof(struct packet_stacked_data)); if (!psd_pool) @@ -2683,18 +3107,25 @@ static int __init pkt_init(void) if (!pktdev_major) pktdev_major = ret; + ret = pkt_sysfs_init(); + if (ret) + goto out; + + pkt_debugfs_init(); + ret = misc_register(&pkt_misc); if (ret) { printk(DRIVER_NAME": Unable to register misc device\n"); - goto out; + goto out_misc; } - mutex_init(&ctl_mutex); - pkt_proc = proc_mkdir(DRIVER_NAME, proc_root_driver); return 0; +out_misc: + pkt_debugfs_cleanup(); + pkt_sysfs_cleanup(); out: unregister_blkdev(pktdev_major, DRIVER_NAME); out2: @@ -2706,6 +3137,10 @@ static void __exit pkt_exit(void) { remove_proc_entry(DRIVER_NAME, proc_root_driver); misc_deregister(&pkt_misc); + + pkt_debugfs_cleanup(); + pkt_sysfs_cleanup(); + unregister_blkdev(pktdev_major, DRIVER_NAME); mempool_destroy(psd_pool); } -- cgit v1.2.3 From 2e7b651df113c8a463853e4169951c52c39f9d19 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 8 Dec 2006 02:36:13 -0800 Subject: [PATCH] remove the old bd_mutex lockdep annotation Remove the old complex and crufty bd_mutex annotation. Signed-off-by: Peter Zijlstra Cc: Neil Brown Cc: Ingo Molnar Cc: Arjan van de Ven Cc: Jason Baron Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/md/md.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/md/md.c b/drivers/md/md.c index 6c4345bde07..d2bcb410e3a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1413,7 +1413,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev) struct block_device *bdev; char b[BDEVNAME_SIZE]; - bdev = open_partition_by_devnum(dev, FMODE_READ|FMODE_WRITE); + bdev = open_by_devnum(dev, FMODE_READ|FMODE_WRITE); if (IS_ERR(bdev)) { printk(KERN_ERR "md: could not open %s.\n", __bdevname(dev, b)); @@ -1423,7 +1423,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev) if (err) { printk(KERN_ERR "md: could not bd_claim %s.\n", bdevname(bdev, b)); - blkdev_put_partition(bdev); + blkdev_put(bdev); return err; } rdev->bdev = bdev; @@ -1437,7 +1437,7 @@ static void unlock_rdev(mdk_rdev_t *rdev) if (!bdev) MD_BUG(); bd_release(bdev); - blkdev_put_partition(bdev); + blkdev_put(bdev); } void md_autodetect_dev(dev_t dev); -- cgit v1.2.3 From d63a5a74dee87883fda6b7d170244acaac5b05e8 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Fri, 8 Dec 2006 02:36:17 -0800 Subject: [PATCH] lockdep: avoid lockdep warning in md md_open takes ->reconfig_mutex which causes lockdep to complain. This (normally) doesn't have deadlock potential as the possible conflict is with a reconfig_mutex in a different device. I say "normally" because if a loop were created in the array->member hierarchy a deadlock could happen. However that causes bigger problems than a deadlock and should be fixed independently. So we flag the lock in md_open as a nested lock. This requires defining mutex_lock_interruptible_nested. Cc: Ingo Molnar Acked-by: Peter Zijlstra Acked-by: Ingo Molnar Signed-off-by: Neil Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/md/md.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/md/md.c b/drivers/md/md.c index d2bcb410e3a..3ce7a5d81d8 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4423,7 +4423,7 @@ static int md_open(struct inode *inode, struct file *file) mddev_t *mddev = inode->i_bdev->bd_disk->private_data; int err; - if ((err = mddev_lock(mddev))) + if ((err = mutex_lock_interruptible_nested(&mddev->reconfig_mutex, 1))) goto out; err = 0; -- cgit v1.2.3 From 906d66df18faa4aac8d898ae6920d1014694a932 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 8 Dec 2006 02:36:25 -0800 Subject: [PATCH] crc32: replace bitreverse by bitrev32 This patch replaces bitreverse() by bitrev32. The only users of bitreverse() are crc32 itself and via-velocity. Cc: Jeff Garzik Cc: Matt Domsch Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/net/via-velocity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 74f894795a1..4587f23f4e4 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -3132,7 +3132,7 @@ static u16 wol_calc_crc(int size, u8 * pattern, u8 *mask_pattern) } /* Finally, invert the result once to get the correct data */ crc = ~crc; - return bitreverse(crc) >> 16; + return bitrev32(crc) >> 16; } /** -- cgit v1.2.3 From 1c6676825fe4cc03a71f253fc3e16ec17c6a3195 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 8 Dec 2006 02:36:26 -0800 Subject: [PATCH] video: use bitrev8 Use bitrev8 for nvidiafb, rivafb, and tgafb drivers Cc: Antonino Daplas Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/Kconfig | 3 +++ drivers/video/nvidia/nv_accel.c | 35 -------------------------- drivers/video/nvidia/nv_local.h | 11 +++++--- drivers/video/nvidia/nv_proto.h | 1 - drivers/video/riva/fbdev.c | 44 ++++---------------------------- drivers/video/tgafb.c | 56 ++++++++--------------------------------- 6 files changed, 26 insertions(+), 124 deletions(-) (limited to 'drivers') diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 7a43020fa58..c69b6ef1d2c 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -541,6 +541,7 @@ config FB_TGA select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select BITREVERSE help This is the frame buffer device driver for generic TGA graphic cards. Say Y if you have one of those. @@ -705,6 +706,7 @@ config FB_NVIDIA select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select BITREVERSE help This driver supports graphics boards with the nVidia chips, TNT and newer. For very old chipsets, such as the RIVA128, then use @@ -744,6 +746,7 @@ config FB_RIVA select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select BITREVERSE help This driver supports graphics boards with the nVidia Riva/Geforce chips. diff --git a/drivers/video/nvidia/nv_accel.c b/drivers/video/nvidia/nv_accel.c index 4aefb8f4163..9efb8a3854e 100644 --- a/drivers/video/nvidia/nv_accel.c +++ b/drivers/video/nvidia/nv_accel.c @@ -261,41 +261,6 @@ void NVResetGraphics(struct fb_info *info) NVDmaKickoff(par); } -u8 byte_rev[256] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, -}; - int nvidiafb_sync(struct fb_info *info) { struct nvidia_par *par = info->par; diff --git a/drivers/video/nvidia/nv_local.h b/drivers/video/nvidia/nv_local.h index 4243d7fae97..e009d242ea1 100644 --- a/drivers/video/nvidia/nv_local.h +++ b/drivers/video/nvidia/nv_local.h @@ -96,13 +96,16 @@ #define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2) #ifdef __LITTLE_ENDIAN + +#include + #define reverse_order(l) \ do { \ u8 *a = (u8 *)(l); \ - *a = byte_rev[*a], a++; \ - *a = byte_rev[*a], a++; \ - *a = byte_rev[*a], a++; \ - *a = byte_rev[*a]; \ + a[0] = bitrev8(a[0]); \ + a[1] = bitrev8(a[1]); \ + a[2] = bitrev8(a[2]); \ + a[3] = bitrev8(a[3]); \ } while(0) #else #define reverse_order(l) do { } while(0) diff --git a/drivers/video/nvidia/nv_proto.h b/drivers/video/nvidia/nv_proto.h index 86127101765..43058d0cf5b 100644 --- a/drivers/video/nvidia/nv_proto.h +++ b/drivers/video/nvidia/nv_proto.h @@ -62,7 +62,6 @@ extern void nvidiafb_fillrect(struct fb_info *info, extern void nvidiafb_imageblit(struct fb_info *info, const struct fb_image *image); extern int nvidiafb_sync(struct fb_info *info); -extern u8 byte_rev[256]; /* in nv_backlight.h */ #ifdef CONFIG_FB_NVIDIA_BACKLIGHT diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index a433cc78ef9..c6f86859399 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -40,6 +40,7 @@ #include #include #include +#include #ifdef CONFIG_MTRR #include #endif @@ -521,48 +522,13 @@ static inline unsigned char MISCin(struct riva_par *par) return (VGA_RD08(par->riva.PVIO, 0x3cc)); } -static u8 byte_rev[256] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, -}; - static inline void reverse_order(u32 *l) { u8 *a = (u8 *)l; - *a = byte_rev[*a], a++; - *a = byte_rev[*a], a++; - *a = byte_rev[*a], a++; - *a = byte_rev[*a]; + a[0] = bitrev8(a[0]); + a[1] = bitrev8(a[1]); + a[2] = bitrev8(a[2]); + a[3] = bitrev8(a[3]); } /* ------------------------------------------------------------------------- * diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 94fde625a6c..08b3153bfb3 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include